SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 6-K

                            REPORT OF FOREIGN ISSUER

                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                         For the month of September 2008

                           PETROCHINA COMPANY LIMITED

                          16 ANDELU, DONGCHENG DISTRICT
                 BEIJING, THE PEOPLE'S REPUBLIC OF CHINA, 100011
                    (Address of Principal Executive Offices)

     (Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.)

     Form 20-F X     Form 40-F
              ---

     (Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the information to
the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of
1934.)

     Yes     No X
        ---    ---

     (If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b): 82-________ )


     PetroChina Company Limited (the "Registrant") is furnishing under the cover
of Form 6-K the Registrant's circular regarding the renewal of continuing
connected transactions in respect of 2009 to 2011 and the revised caps of
continuing connected transactions in respect of 2008.


                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this circular to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                                     PetroChina Company Limited


Dated: September 8, 2008                             By:    /s/ Li Huaiqi
                                                            --------------------
                                                     Name:  Li Huaiqi
                                                     Title: Company Secretary




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        THIS CIRCULAR IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION
--------------------------------------------------------------------------------

IF YOU ARE IN ANY DOUBT as to any aspect of this circular, or as to the action
to be taken, you should consult your stockbroker or other registered dealer in
securities, bank manager, solicitor, professional accountant or other
professional adviser.

IF YOU HAVE SOLD OR TRANSFERRED all your shares in PETROCHINA COMPANY LIMITED,
you should at once hand this circular, together with the enclosed form of proxy,
to the purchaser or the transferee or to the bank, stockbroker or other agent
through whom the sale was effected for transmission to the purchaser or the
transferee.

The Stock Exchange of Hong Kong Limited takes no responsibility for the contents
of this circular, makes no representation as to its accuracy or completeness and
expressly disclaims any liability whatsoever for any loss howsoever arising from
or in reliance upon the whole or any part of the contents of this circular.

--------------------------------------------------------------------------------

                       (PETROCHINA COMPANY LIMITED LOGO)

               (a joint stock limited company incorporated in the
               People's Republic of China with limited liability)

                (STOCK CODE IN THE HONG KONG STOCK EXCHANGE: 857)

   (1) RENEWAL OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2009 TO 2011

    (2) REVISED CAPS OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2008

      INDEPENDENT FINANCIAL ADVISER TO THE INDEPENDENT BOARD COMMITTEE AND
                   THE INDEPENDENT SHAREHOLDERS OF THE COMPANY

                                   (ICEA LOGO)

--------------------------------------------------------------------------------

  A letter from the Independent Board Committee is set out on pages 35 to 36 of
  this circular. A letter from ICEA, the Independent Financial Adviser,
  containing its advice to the Independent Board Committee and the independent
  shareholders of the Company is set out on pages 37 to 52 of this circular.

  The second extraordinary general meeting of PetroChina Company Limited in 2008
  is to be held at Crowne Plaza Beijing Park View Wuzhou Hotel, No. 8 North Si
  Huan Zhong Road, Chaoyang District, Beijing, PRC at 9 a.m. on 21 October 2008
  (Tuesday). A copy of the notice convening such extraordinary general meeting
  is set out on pages 56 - 57 of this circular. Whether or not you are able to
  attend the meeting, you are requested to complete and return the form of
  proxy, despatched together with this circular, in accordance with the
  instructions printed thereon as soon as possible to the registered office of
  PetroChina Company Limited at World Tower, 16 Andelu, Dongcheng District,
  Beijing, PRC in any event not less than 24 hours before the time appointed for
  holding of the meeting. Completion and return of the form of proxy will not
  preclude you from attending and voting at the meeting should you so desire.

                                                                5 September 2008



                                    CONTENTS

                                                                            Page

DEFINITIONS .............................................................      1

LETTER FROM THE BOARD ...................................................      5

LETTER FROM THE INDEPENDENT BOARD COMMITTEE .............................     35

LETTER FROM ICEA CAPITAL LIMITED ........................................     37

APPENDIX I -- GENERAL INFORMATION .......................................     53

NOTICE OF EXTRAORDINARY GENERAL MEETING .................................     56


                                   -- i --


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                                   DEFINITIONS
--------------------------------------------------------------------------------

     In this circular, the following expressions have the following meanings
unless the context requires otherwise:

"associate(s)"                has the meanings ascribed to it under the HKEx
                              Listing Rules

"ADS(s)"                      the American Depository Share(s) issued by the
                              Bank of New York as the depository bank and listed
                              on the New York Stock Exchange, with the ADS
                              representing 100 H Shares

"A Shares"                    the domestic ordinary shares issued by the Company
                              to domestic investors for subscription and trading
                              and denominated in Renminbi

"Beijing Gas"                 (CHINESE CHARACTERS) (Beijing Gas Group Company
                              Limited*), a company established under the laws of
                              the PRC, and a substantial shareholder of Huayou,
                              holding 40% interests in Huayou


"Beijing Gas Products and     the agreement dated 1 September 2005 entered into
Services Agreement"           between the Company and Beijing Gas in relation to
                              the provision of certain products and services

"Board"                       the board of directors of the Company

"Buildings Leasing Contract"  the buildings leasing contract dated 10 March 2000
                              entered into between the Company and CNPC pursuant
                              to which CNPC has leased to the Company buildings
                              located throughout the PRC for the use by the
                              Company for its business operation including the
                              exploration, development and production for a term
                              of 20 years, as amended by a supplemental
                              agreement dated 26 September 2002

"CNPC"                        China National Petroleum Corporation, a
                              state-owned enterprise incorporated under the laws
                              of the PRC, and the controlling shareholder of the
                              Company, holding approximately 86.29% of the
                              issued share capital of the Company and for the
                              purpose of this circular, unless otherwise
                              specified, shall include other subsidiaries and
                              units of CNPC (including subsidiaries, branches
                              and relevant units) other than the Group

"CNPC Finance"                (CHINESE CHARACTERS) (China Petroleum Finance
                              Company Limited), a subsidiary of CNPC

"Company"                     PetroChina Company Limited, a joint stock company
                              limited by shares incorporated in the PRC on 5
                              November 1999 under the PRC Company Law, the H
                              shares of which are listed on the Hong Kong Stock
                              Exchange with American Depository Shares listed on
                              the New York Stock Exchange and the A shares are
                              listed on the Shanghai Stock Exchange

"Comprehensive Agreement"     the comprehensive products and services agreement
                              dated 10 March 2000 entered into between CNPC and
                              the Company regarding the provision by the Group
                              to CNPC and by CNPC to the Group, of a range of
                              products and services from time to time, effective
                              as of 5 November 1999


                                   -- 1 --


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                                   DEFINITIONS
--------------------------------------------------------------------------------

"Continuing Connected         the continuing connected transactions which have
Transactions"                 been and will continue to be entered into between
                              (1) the Group and CNPC; (2) the Group and Beijing
                              Gas; and (3) the Group and CRMSC, details of which
                              are set out in the Letter from the Board of this
                              circular

"controlling shareholder"     has the meanings ascribed to it under the HKEx
                              Listing Rules

"CRMSC"                       (CHINESE CHARACTERS) (China Railway Materials and
                              Suppliers Corporation), a state-owned enterprise
                              established under the laws of the PRC, and a
                              substantial shareholder of PetroChina & CRMSC Oil
                              Marketing

"CRMSC Products and Services  the agreement dated 1 September 2005 entered into
Agreement"                    between the Company and CRMSC in relation to the
                              provision of certain products and services

"Director(s)"                 directors of the Company

"Extraordinary General        the second extraordinary general meeting of the
Meeting"                      Company in 2008 to be held at Crowne Plaza Beijing
                              Park View Wuzhou Hotel, No. 8 North Si Huan Zhong
                              Road, Chaoyang District, Beijing, PRC at 9 a.m. on
                              21 October 2008 (Tuesday) to approve, among other
                              things, the Revised Non-Exempt Annual Caps, the
                              Non-Exempt Continuing Connected Transactions and
                              the Proposed Caps of the Non-Exempt Continuing
                              Connected Transactions

"First Supplemental           the supplemental comprehensive products and
Agreement"                    services agreement dated 9 June 2005 entered into
                              between the Company and CNPC in relation to
                              certain amendments of the Comprehensive Agreement

"Group"                       the Company and its subsidiaries

"H Share(s)"                  the overseas-listed foreign share(s) in the
                              Company's share capital, with a nominal value of
                              RMB1.00 each, which are listed on the Hong Kong
                              Stock Exchange and subscribed for in Hong Kong
                              dollars, and which include the H Share(s) and the
                              underlying ADS(s)

"HKEx Listing Rules"          the Rules Governing the Listing of Securities on
                              the Hong Kong Stock Exchange

"Hong Kong"                   the Hong Kong Special Administrative Region of the
                              PRC

"Hong Kong Stock Exchange"    The Stock Exchange of Hong Kong Limited

"Huayou"                      (CHINESE CHARACTERS) (Beijing Huayou Natural Gas
                              Company Limited*), a company established under the
                              laws of the PRC with limited liability and a
                              subsidiary of the Company (where the Company has
                              60% interests in Huayou)

"Independent Board            the independent committee of the Board, comprising
Committee"                    Messrs. Chee- Chen Tung, Liu Hongru, Franco
                              Bernabe, Li Yongwu and Cui Junhui, the independent
                              non-executive Directors of the Company,
                              established for the purpose of reviewing and
                              advising the Independent Shareholders or the
                              Shareholders (as the case may be) in respect of
                              the Revised Non-Exempt Annual Caps, the Non-Exempt
                              Continuing Connected Transactions and the relevant
                              Proposed Caps


                                    -- 2 --



--------------------------------------------------------------------------------
                                   DEFINITIONS
--------------------------------------------------------------------------------

"Independent Financial        ICEA Capital Limited, a licensed corporation under
Adviser" or "ICEA"            transitional arrangement carrying out Type 1
                              (dealing in securities) and Type 6 (advising on
                              corporate finance) regulated activities under the
                              SFO, and the independent financial adviser
                              appointed to advise the Independent Board
                              Committee and the Independent Shareholders in
                              respect of the Revised Non-Exempt Annual Caps, the
                              Non-Exempt Continuing Connected Transactions and
                              the relevant Proposed Caps, and whether the
                              respective term of the Land Use Rights Leasing
                              Contract, the Buildings Leasing Contract and the
                              Supplemental Buildings Agreement is normal
                              business practice (or the Shareholders on the
                              Non-Exempt Continuing Connected Transactions and
                              the relevant Proposed Caps under the CRMSC
                              Products and Services Agreement)

"Independent Shareholders"    the shareholders of the Company other than the
                              CNPC and its associates

"Jointly-held Entities"       a subsidiary of the Company in which both the
                              Company and CNPC are shareholders, and where CNPC
                              and/or its subsidiaries and/or affiliates
                              (individually or together) is/are entitled to
                              exercise, or control the exercise of, 10% or more
                              of the voting power at any general meeting of such
                              company

"Land Use Rights Leasing      the land use rights leasing contract dated 10
Contract"                     March 2000 entered into between the Company and
                              CNPC pursuant to which CNPC has leased to the
                              Company parcels of land in connection with and for
                              the purpose of all aspects of the operations and
                              business of the Group for a term of 50 years

"Latest Practicable Date"     1 September 2008, being the latest practicable
                              date prior to the printing of this circular for
                              ascertaining certain information herein

"New Comprehensive            the comprehensive products and services agreement
Agreement"                    dated 27 August 2008 entered into between CNPC and
                              the Company regarding the provision by the Group
                              to CNPC and by CNPC to the Group, of a range of
                              products and services from time to time which
                              shall come into effect on 1 January 2009

"Non-Exempt Continuing        the Continuing Connected Transactions under the
Connected Transactions"       categories of (1), (2)(a)-(b), (3) and (6), as set
                              out in the section headed "Renewal of Continuing
                              Connected Transactions in respect of 2009-2011" of
                              the Letter from the Board in this circular

"PetroChina & CRMSC Oil       (CHINESE CHARACTERS) (PetroChina & CRMSC Oil
Marketing"                    Marketing Company Limited*), a company established
                              under the laws of the PRC with limited liability
                              China Petroleum Sales Company Limited (CHINESE
                              CHARACTERS), a wholly-owned subsidiary of the
                              Company, and CRMSC jointly established PetroChina
                              & CRMSC Oil Marketing in December 2004, holding
                              respectively 51% and 49% of its equity interest.

"Proposed Caps"               the proposed annual caps in respect of the
                              Continuing Connected Transactions, including the
                              Non-Exempt Continuing Connected Transactions


                                    -- 3 --


--------------------------------------------------------------------------------
                                   DEFINITIONS
--------------------------------------------------------------------------------

"PRC" or "China"              the People's Republic of China

"Relevant Categories"         the relevant categories of the Continuing
                              Connected Transactions the annual caps of which
                              for the year ending 31 December 2008 will be
                              subject to revision

"Revised Caps"                the revised annual caps in respect of the Relevant
                              Categories, including the Revised Non-Exempt
                              Annual Caps

"Revised Non-Exempt Annual    the revised annual caps in respect of the Relevant
Caps"                         Categories which are not exempted

"RMB"                         Renminbi, the lawful currency of the PRC

"Second Supplemental          the supplemental comprehensive products and
Agreement"                    services agreement dated 1 September 2005 entered
                              into between the Company and CNPC in relation to
                              certain amendments of the Comprehensive Agreement

"SFO"                         the Securities and Futures Ordinance (Cap. 571 of
                              the Laws of Hong Kong)

"Shanghai Stock Exchange"     The Shanghai Stock Exchange Limited

"Shanghai Listing Rules"      the listing rules of the Shanghai Stock Exchange

"Share(s)"                    shares of the Company, including the A Share(s)
                              and the H Share(s)

"Shareholder(s)"              holder(s) of Shares of the Company

"subsidiaries"                has the meanings ascribed to it under the HKEx
                              Listing Rules

"substantial shareholder"     has the meanings ascribed to it under the HKEx
                              Listing Rules

"US$"                         United States Dollars, the lawful currency of the
                              United States of America

"%"                           per cent.

----------
* For identification purpose only.


                                    -- 4 --


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                             LETTER FROM THE BOARD
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                       (PETROCHINA COMPANY LIMITED LOGO)

               (a joint stock limited company incorporated in the
               People's Republic of China with limited liability)

                                (STOCK CODE: 857)

BOARD OF DIRECTORS                                    LEGAL ADDRESS
Jiang Jiemin (Chairman)                               World Tower,
Zhou Jiping (Deputy Chairman)                         16 Andelu
Wang Yilin                                            Dongcheng District
Zeng Yu Kang                                          Beijing 100011
Wang Fucheng                                          People's Republic of China
Li Xinhua
Liao Yongyuan
Wang Guoliang
Jiang Fan
Chee-Chen Tung*
Liu Hongru*
Franco Bernabe*
Li Yongwu*
Cui Junhui*

* Independent non-executive Director

                                                                5 September 2008

To the Shareholders

Dear Sir or Madam

(1) RENEWAL OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2009 TO 2011

(2) REVISED CAPS OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2008

1.    INTRODUCTION

      Reference is made to the announcement of the Company dated 27 August 2008
      in relation to the Revised Non-Exempt Annual Caps and the Proposed Caps in
      respect of the Non-Exempt Continuing Connected Transactions. The purpose
      of this circular is to provide you with information necessary to enable
      you to make an informed decision on whether to vote for or against the
      ordinary resolutions to be proposed at the EGM relating to the approval of
      the Revised Non-Exempt Annual Caps and the Proposed Caps in respect of the
      Non-Exempt Continuing Connected Transactions.

2.    RENEWAL OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2009 TO 2011

2.1   Background

      References are made to the circular of the Company dated 22 September 2005
      in relation to the Continuing Connected Transactions and the circular of
      the Company dated 14 September 2006


                                    -- 5 --



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                              LETTER FROM THE BOARD
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      revising certain annual caps of the Continuing Connected Transactions. At
      the extraordinary general meetings of the Company held on 8 November 2005
      and 1 November 2006 respectively, the Independent Shareholders and/or
      Shareholders (as the case may be) approved the Continuing Connected
      Transactions and the annual caps for the three years ending 31 December
      2008 and the subsequent revision of certain annual caps.

      The Company would continue the Continuing Connected Transactions after 31
      December 2008 and therefore will, in accordance with the HKEx Listing
      Rules, comply with the provisions of Chapter 14A of the HKEx Listing Rules
      in relation to the Continuing Connected Transactions for the next three
      years (i.e. from 1 January 2009 to 31 December 2011), including disclosing
      further information thereof in this circular and seeking approvals from
      the Independent Shareholders and/or Shareholders for the Non-Exempt
      Continuing Connected Transactions (including the relevant Proposed Caps).

2.2   Continuing connected transactions under the Comprehensive Agreement

      2.2.1 The existing Comprehensive Agreement

      The Company and CNPC initially entered into the Comprehensive Agreement on
      10 March 2000 for the provision (1) by the Group to CNPC and (2) by CNPC
      to the Group, of a range of products and services which may be required
      and requested from time to time by either party and/or its subsidiaries
      and relevant units (including their respective subsidiaries, branches and
      relevant units). The Comprehensive Agreement was amended by the First
      Supplemental Comprehensive Agreement and the Second Supplemental
      Comprehensive Agreement. The material terms are as follows:

      (1)   Products and services to be provided by the Group to CNPC and
            the Jointly-held Entities

            Under the Comprehensive Agreement, products and services to be
            provided by the Group to CNPC include those relating to refined oil
            products, chemical products, natural gas, crude oil, supply of
            water, electricity, gas, heating, quantifying and measuring, quality
            inspection and other products and services as may be requested by
            CNPC for its own consumption, use or sale from time to time.

            Under the Comprehensive Agreement, it was agreed that, among other
            things, the Group shall provide to the Jointly-held Entities
            products and services including crude oil, refined products,
            petrochemical products, natural gas products on the same pricing
            basis as those products and services to be provided by the Group to
            CNPC.

      (2)   Products and services to be provided by CNPC to the Group

            The products and services to be provided by CNPC to the Group are
            expected to be more numerous, both in terms of quantity and variety,
            than those to be provided by the Group to CNPC. They have been
            grouped together and categorised according to the following types of
            products and services:

            (a)   Construction and technical services, mainly associated with
                  products and services to be provided at the stage prior to
                  commission and production, including but not limited to
                  exploration technology service, downhole operation service,
                  oilfield construction service, oil refinery construction
                  service and engineering and design service;

            (b)   Production services, mainly associated with products and
                  services to be provided after the formal commission and
                  production has taken place, arising from the day-to-day
                  operations needs of the Group, including but not limited to
                  water supply, electricity generation and supply, gas supply
                  and communications;


                                     -- 6 --



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                              LETTER FROM THE BOARD
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            (c)   Material supply services, mainly involving the agency services
                  on the procurement of materials both before and after
                  commission and production, including but not limited to
                  purchase of materials, quality control, storage of materials
                  and delivery of materials, which by virtue of its nature, are
                  not covered in the construction and technical services and
                  production services referred to above;

            (d)   Social and ancillary services, including but not limited to
                  security services, education, hospitals, property management,
                  staff canteen, training centers and guesthouses; and

            (e)   Financial services, including loans and other financial
                  assistance, deposits services, entrustment loans, settlement
                  services and other intermediary services.

      (3)   Financial services to be provided by the Group to jointly controlled
            entities

            Financial services including but not limited to provision of
            entrustment loans and guarantees.

      2.2.2 General principles, pricing and terms

            The Comprehensive Agreement (as amended) requires in general terms
            that:

                  S     the quality of products and services to be provided
                        should be satisfactory to the recipient;

                  S     the price at which such products and services are to be
                        provided must be fair and reasonable; and

                  S     the terms and conditions on which such products and
                        services are to be provided should be no less favourable
                        than those offered by independent third parties.

      2.2.3 Pricing determination

            The Comprehensive Agreement details specific pricing principles for
            the products and services to be provided pursuant to the
            Comprehensive Agreement. If, for any reason, the specific pricing
            principle for a particular product or service ceases to be
            applicable, whether due to a change in circumstances or otherwise,
            such product or service must then be provided in accordance with the
            following general pricing principles:

            (a)   government-prescribed price (at present, this applies to
                  products and services such as refined oil products, natural
                  gas, oil refinery construction, engineering and design,
                  project monitoring and management); or

            (b)   where there is no government-prescribed price, then according
                  to the relevant market prices (at present, this applies to
                  products and services such as asset leasing, repair of
                  machinery, transportation, purchase of material, and regional
                  facilities); or

                  (the above definitions were amended by the First Supplemental
                  Agreement. Please refer to the details set out in the
                  sub-section headed "First Supplemental Agreement")

            (c)   where neither (a) nor (b) is applicable, then according to:

                  (i)   the actual cost incurred (at present, this applies to
                        products and services such as library information and
                        filing, maintenance of roads, retirement administration
                        and reemployment training); or


                                     -- 7 --



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                              LETTER FROM THE BOARD
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                  (ii)  the agreed contractual price, being the actual cost for
                        the provision of such product or service plus an
                        additional margin of not more than:

                        (1)   15 per cent. (which includes finance costs,
                              general and administrative expenses and a profit
                              margin) for certain construction and technical
                              services (at present, this applies to products and
                              services such as geological surveying, drilling,
                              well cementing, logging, mud logging, well testing
                              and oilfield construction) provided that, such
                              agreed contractual price shall not be higher than
                              the prices available for the provision of such
                              products and services in the international market;
                              and

                        (2)   3 per cent. for all other types of products and
                              services priced in accordance with the agreed
                              contractual price (at present, this applies to
                              products and services such as downhole operations,
                              technology research, equipment repairing and
                              supporting, equipment antiseptic testing,
                              communications, fire fighting, quality inspection,
                              storage of materials, delivery of materials and
                              training centers).

            The definitions of cost price and agreed contractual price include a
            provision that the aggregate value, in each future financial year,
            of all products and services which are required to be priced at cost
            or at agreed contractual prices to be provided under the
            Comprehensive Agreement, shall not exceed the aggregate value,
            calculated on an adjusted basis as if the Comprehensive Agreement
            had been in effect during the year ended 31 December 1998, of all
            products and services which were required to be priced at cost or at
            agreed contractual prices during the year ended 31 December 1998,
            being RMB36.9 billion (the "1998 Amount"), subject to any necessary
            adjustment for inflation or deflation, as appropriate, for the
            relevant year.

            However, if in any future financial year, the Company, due to any
            events or factors beyond the control of the Company (e.g. natural
            disasters) or the development of new projects, is required to
            purchase additional products and services required to be priced at
            cost or at agreed contractual prices exceeds the 1998 Amount (as
            adjusted for inflation or deflation as appropriate), then that
            decision to purchase such additional products or services should be
            authorised by the Board (with affirmative votes from the independent
            non-executive Directors) and the management of the Company on the
            basis of any revised business plan and comprehensive financial
            analysis, to ensure that such purchases will allow for a reasonable
            return to the Shareholders. In the event that the relevant Proposed
            Caps are to be exceeded, the Company will comply with the
            requirements of the HKEx Listing Rules.

      2.2.4 Coordination of annual demand of products and services

            Two months prior to the end of each financial year, both parties are
            required to prepare and submit to each other an annual plan
            detailing the estimated demand for products and services to be
            rendered in accordance with the Comprehensive Agreement for the
            forthcoming financial year.

      2.2.5 Rights and obligations

            Both the Group and CNPC retain the right to choose to receive
            products and services, as contemplated under the Comprehensive
            Agreement, from independent third parties where the terms and
            conditions as to price or quality of products or services offered by
            such third parties may be superior to those offered by either of the
            Group or the CNPC, as appropriate.

            In addition, the provision of products and services by either party
            is on a non-exclusive basis and each party may provide products and
            services to other third parties, subject always to the


                                     -- 8 --



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                              LETTER FROM THE BOARD
--------------------------------------------------------------------------------

            obligation that each party must be able to provide those products
            and services which may be required to be provided in accordance with
            the Comprehensive Agreement and the annual plan then in force.

      2.2.6 Term and termination

            The term of the Comprehensive Agreement was initially 10 years
            starting from the date when the Company's business license was
            issued and was amended by the Second Supplemental Agreement to 3
            years commencing from 1 January 2006. During the term of the
            Comprehensive Agreement (as amended), termination of the product and
            service implementation agreements described below may be effected
            from time to time by the parties to the product and service
            implementation agreements providing at least 6 months' written
            notice of termination in relation to any one or more categories of
            products or services. Further, in respect of any products or
            services already contracted to be provided, termination may not take
            place until after such products and services have been provided.

            In the event that CNPC proposes to terminate the provision of any
            products or services, and the Company is unable to find an
            alternative product or service provider (which fact shall be
            communicated by the Company to CNPC from time to time), then unless
            permitted by the Company, CNPC must continue to provide such
            products or services in accordance with the terms of the
            Comprehensive Agreement (as amended).

      2.2.7 First Supplemental Agreement

            The First Supplemental Agreement was entered into by CNPC and the
            Company on 9 June 2005 in which the following definitions under the
            Comprehensive Agreement were amended as follows:

            The definition of "government-prescribed price" was amended to mean
            the price in respect of certain category of services determined by
            the laws, regulations, decisions, orders or policies, etc. enacted
            by governments of the relevant countries or regions (including but
            not limited to the central government, federal government,
            provincial government, state or coalition government or any
            organisation responsible for domestic ruling and foreign affairs in
            respect to certain specified territory, irrespective of its name,
            organisation or structure) or other regulatory departments; or

            The definition of "market price" was amended to mean the price
            determined in accordance with the following order:

            (i)   the price charged by independent third parties in areas where
                  such type of service is provided and on normal terms in the
                  area where the service is being provided at that time; or

            (ii)  the price charged by independent third parties in nearby areas
                  where such type of service is provided and on normal terms in
                  the area or country adjacent to the area where the service is
                  being provided at that time.

      2.2.8 Second Supplemental Agreement

            The Second Supplemental Agreement was entered into by CNPC and the
            Company on 1 September 2005 and took effect on 1 January 2006, in
            which CNPC and the Company agreed to amend certain terms of the
            Comprehensive Agreement, including, among other things, that:

                  S     both CNPC and the Company shall provide and shall
                        procure their respective entities including their
                        subsidiaries, branches and other relevant units to


                                    -- 9 --



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                              LETTER FROM THE BOARD
--------------------------------------------------------------------------------

                        provide products and services in accordance with the
                        terms and principles of the Comprehensive Agreement;

                  S     CNPC will provide certain risk operation services as
                        part of the construction and technical services to the
                        Group, and these include the provision of exploration
                        and production services within certain and specific
                        reserves of the Company with exploration and
                        exploitation difficulties;

                  S     the Group will provide certain financial assistance to
                        the Jointly-held Entities including entrustment loans
                        and guarantees; and

                  S     the Jointly-held Entities will provide certain financial
                        assistance to the Group including entrustment loans and
                        guarantees.

            Under the Second Supplemental Agreement, the products and services
            shall be provided at prices to be determined according to the
            pricing principles for the corresponding products or services under
            the Comprehensive Agreement.

            In particular, the Comprehensive Agreement stipulates, among other
            things, that:

                  S     the loans and deposit services shall be provided at
                        prices determined in accordance with the relevant
                        interest rate and standard for fees as promulgated by
                        the People's Bank of China. Such prices must also be
                        more favourable to the Group than those provided by
                        independent third parties; and

                  S     the guarantees shall be provided at prices not higher
                        than the fees charged by the state policy banks in
                        relation to the provision of guarantees. References must
                        also be made to the relevant government-prescribed price
                        and market price.

2.3   New Comprehensive Agreement

      In October 2007, the Company issued the A Shares which have been listed on
      the Shanghai Stock Exchange. In order to comply with the HKEx Listing
      Rules and the Shanghai Listing Rules, on the basis of the existing
      Comprehensive Agreement, the Company and CNPC entered into a new products
      and services comprehensive agreement on 27 August 2008 for a period of
      three years which shall take effect on 1 January 2009. The New
      Comprehensive Agreement has already incorporated the terms of the First
      Supplemental Agreement and the Second Supplemental Agreement and the
      following three amendments are introduced to the Comprehensive Agreement:

      The major amendments to the First Supplemental Agreement and the Second
      Supplemental Agreement which have already been incorporated into the New
      Comprehensive Agreement are as follows:

            (1)   The following material provisions relating to the regulatory
                  requirements for A Shares have been added to the New
                  Comprehensive Agreement following the issue of A Shares by the
                  Company in 2007:

                  (a)   The following description has been added to the
                        "Background" section: "PetroChina conducted a placing of
                        H Shares (which include newly issued Shares and a sale
                        of Shares transferred from CNPC to the National Council
                        for Social Security Fund) in September 2005 and issued
                        Renminbi-denominated ordinary A shares ("A Shares") in
                        the PRC in October 2007 and the A Shares are listed on
                        the Shanghai Stock Exchange. Upon the issue and listing
                        of the A Shares, CNPC remains as the controlling
                        shareholder of PetroChina".


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                              LETTER FROM THE BOARD
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                  (b)   Terms stipulating the requirement for obtaining approval
                        of the "Hong Kong Stock Exchange" or the application of
                        the regulatory rules of the Hong Kong Stock Exchange
                        have been amended to refer to "the relevant stock
                        exchange(s) and authorized regulatory authorities of the
                        places of listing", or alternatively, the "Shanghai
                        Stock Exchange" is inserted where appropriate.

            (2)   Provisions of the existing Comprehensive Agreement are
                  modified based on the actual operating requirements of the
                  Company:

                  (a)   References to "services" provided by a party in the
                        existing agreement have been changed to "products and/or
                        services provided by a party".

                  (b)   The scope of financial products and services provided
                        for in the existing Comprehensive Agreement is modified
                        as shown below in italics: "Party A (CNPC) shall,
                        through its subsidiaries or entities including CNPC
                        Finance and other financial institutions to operate in
                        accordance with relevant rules the business of Renminbi
                        and foreign currency deposits and loans, interest
                        earning, provision of guarantee, entrusted management
                        of funds guaranteeing safety in refined products and
                        petrochemical production and other financial services."

                  (c)   The pricing principle applicable to financial products
                        and services as set out in the existing Comprehensive
                        Agreement shall be amended as shown below in italics:
                        "The fees for the financial services provided by CNPC
                        Finance and other financial institutions shall be
                        determined by making reference to the interest rate and
                        the relevant fee rate for the same period published by
                        the People's Bank of China or relevant financial
                        industry regulatory authorities, and shall be more
                        favourable than the interest rate, fee rate and other
                        terms for the provision of funds and services for the
                        same period offered by an independent third party to
                        Party B (the Company)."

                  (d)   The scope of products and services to be provided by
                        Party B to Party A under the existing Comprehensive
                        Agreement shall be modified as shown below in italics:
                        "Products and services to be provided by the Group to
                        CNPC include those relating to crude oil, natural gas,
                        refined oil products, chemical products, supply of
                        water, electricity, gas, heating, quantifying and
                        measuring, quality inspection, entrusted operation and
                        management and other related or similar products and
                        services.

                  (e)   Other modifications include amending the registered
                        addresses, definition of names of companies, etc.

            (3)   The term of the agreement: "This agreement shall become
                  effective from 1 January, 2009 for a period of three years
                  after this agreement has been approved by the shareholders of
                  Party B at its shareholders' meeting and after the authorized
                  representatives of both parties have signed and affixed the
                  common seals. The term of this agreement may be extended upon
                  mutual agreement of both parties and subject to the approval
                  of the relevant stock exchange(s) and authorized regulatory
                  authorities of the places of listing and/or the approval of
                  shareholders of Party B at a shareholders' meeting (depending
                  on the requirements of the stock exchanges and authorized
                  regulatory authorities of the places of listing)."


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2.4   Rentals to be paid by the Group to CNPC in respect of land

      The Company entered into the Land Use Rights Leasing Contract with CNPC on
      10 March 2000 under which CNPC has leased a total of 42,476 parcels of
      land in connection with and for the purpose of all aspects of the
      operations and business of the Group covering an aggregate area of
      approximately 1,145 million square meters, located throughout the PRC, to
      the Company for a term of 50 years at an annual fee of RMB2,000 million.
      The Board believes that a term of 50 years is appropriate for the Land Use
      Rights Leasing Contract, since the Company is China's largest petroleum
      company engaging in exploration, development, sale and production of crude
      oil, natural gas and chemicals, and the relevant land leases are of
      material significance of its operations, the long stability of a 50 year
      tenure is required to avoid the unnecessary disruption of its operations;
      and such tenure conforms with normal business practice in the PRC property
      market. The total fee payable for the lease of all such property may,
      after the expiration of 10 years from the date of the Land Use Rights
      Leasing Contract, be adjusted (to reflect market conditions prevalent at
      such time of adjustment, including current market prices, inflation or
      deflation, as appropriate, and such other pertinent factors as may be
      considered in negotiating and agreeing to any such adjustment) by
      agreement between the Company and CNPC. In addition, any governmental,
      legal or other administrative taxes and fees required to be paid in
      connection with the leased properties will be borne by CNPC. However, any
      additional amount of such taxes payable as a result of changes in the PRC
      Government policies after the date of the contract shall be shared
      proportionately on a reasonable basis between CNPC and the Company.

      In view of the increase in the land consumption tax by 200% per square
      meter in the PRC with effect from 1 January 2007, the proposed annual cap
      for the three years ending 31 December 2011, comprising the annual fee of
      RMB2,000 million and the relevant tax, has been increased to approximately
      RMB3,800 million per annum.

      The Directors (including the independent non-executive Directors, whose
      view are included in the letter from the Independent Board Committee set
      out in this circular) consider it is normal business practice for the Land
      Use Rights Leasing Contract to have a term of 50 years. Savills (Hong
      Kong) Limited, an independent valuer, has reviewed the Land Use Rights
      Leasing Contract and has confirmed that the term of 50 years and current
      rentals payable by the Company to CNPC are fair and reasonable to the
      Company, that the term of 50 years is in line with the normal practice in
      the PRC and that the current rentals payable by the Company to CNPC are in
      line with the market rentals. The date of valuation is 30 June 2008.

      The views of the Independent Financial Adviser on whether it is normal
      business practice for the Land Use Rights Leasing Contract to have a term
      of 50 years are included in the letter from the Independent Financial
      Adviser set out in this circular.

2.5   Rentals to be paid by the Group to CNPC in respect of buildings

      The Company entered into the Buildings Leasing Contract with CNPC on 10
      March 2000 pursuant to which CNPC has leased to the Company a total of 191
      buildings covering an aggregate area of 269,770 square meters, located
      throughout the PRC for the use by the Company for its business operation
      including the exploration, development and production of crude oil, the
      refining of crude oil and petroleum products, the production and sale of
      chemicals, etc.

      The 191 buildings were leased at a price of RMB145 per square meter per
      year, that is, at an aggregate annual fee of RMB39,116,650, for a term of
      20 years. The Board believes that a term of 20 years is appropriate for
      the Buildings Leasing Contract (as amended), since the Company is China's
      largest petroleum company engaging in exploration, development, sales and
      production of crude oil, natural gas and chemicals, the relevant building
      leases are of material significance of its operations, and the long
      stability of a 20 year tenure is required to avoid the unnecessary
      disruption of its operations; and such tenure conforms with normal
      business practice in the PRC property market. The Company is responsible


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                             LETTER FROM THE BOARD
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      for the payment of any governmental, legal or other administrative taxes
      and maintenance charges required to be paid in connection with these 191
      leased buildings. The Buildings Leasing Contract details the particulars
      of the buildings leased by members of CNPC to the Company.

      Members of CNPC which own one or more of the leased buildings will enter
      into individual building leasing contracts with the Company. The
      individual building leasing contracts may only contain provisions which
      are consistent with the terms and conditions of the Buildings Leasing
      Contract.

      One month prior to the end of each financial year, CNPC and the Company
      shall make and agree upon a rental fee distribution plan setting out
      specific prices for the buildings according to their geographical
      locations and conditions.

      Supplemental Buildings Leasing Agreement

      Further to the Buildings Leasing Contract mentioned above, the Company
      entered into a Supplemental Buildings Leasing Agreement (the "Supplemental
      Buildings Agreement") with CNPC on 26 September 2002 under which CNPC
      agreed to lease another 404 buildings to the Group in connection with and
      for the purpose of the operation and business of the Group covering an
      aggregate of approximately 442,730 square meters. Leasing of the units in
      the Supplemental Buildings Agreement is mainly attributable to the
      expansion of the Company's operations in the areas of oil and natural gas
      exploration, the West-East natural gas pipeline project and the
      construction of the Northeast refineries and chemical operation base. The
      annual fee payable under the Supplemental Buildings Agreement amounts to
      RMB157,439,540. The Company and CNPC will, based on their needs for
      production and operation or the changes of the market prices of the
      buildings, adjust the scale and the amount of all such buildings under the
      Buildings Leasing Contract as well as the Supplemental Buildings Agreement
      every three years. The Supplemental Buildings Agreement became effective
      on 1 January 2003 and will expire at the same time as the Buildings
      Leasing Contract.

      The Directors (including the independent non-executive Directors, whose
      views are included in the letter from the Independent Board Committee set
      out in this circular) consider it is normal business practice for the
      Buildings Leasing Contract and the Supplemental Buildings Agreement to
      have a term of 20 years. Savills (Hong Kong) Limited, an independent
      valuer, has reviewed both the Buildings Leasing Contract and the
      Supplemental Buildings Agreement and has confirmed that the term of 20
      years and current rentals payable by the Company to CNPC are fair and
      reasonable to the Company, the term of 20 years is in line with the normal
      practice in the PRC and the current rentals payable by the Company to CNPC
      are in line with the market rentals. The date of valuation is 30 June
      2008.

      The views of the Independent Financial Adviser on whether it is normal
      business practice for the Buildings Leasing Contract and the Supplemental
      Buildings Agreement to have a term of 20 years are included in the letter
      from the Independent Financial Adviser set out in this circular.

2.6   Continuing connected transactions under the CRMSC Products and Services
      Agreement

      2.6.1 Products and services to be provided by the Company to CRMSC

            Under the CRMSC Products and Services Agreement, products and
            services to be continuously provided by the Company to CRMSC
            include, among other things, refined products (such as gasoline,
            diesel and other petroleum products).

      2.6.2 General principles, pricing and terms

            The CRMSC Products and Services Agreement requires, in general terms
            that:

            (a)   The quality of goods and services to be provided should be
                  satisfactory to the recipient;


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            (b)   The price at which such products and services are to be
                  provided must be fair and reasonable;

            (c)   The terms and conditions on which such products and services
                  are to be provided should be no less favourable than those
                  offered by independent third parties; and

            (d)   The products and services shall be provided and standardised
                  by contracting under individual product and service
                  agreements.

      2.6.3 Pricing determination

            The price of any product and service provided pursuant to the CRMSC
            Products and Services Agreement shall be determined by reference to
            the government-prescribed price or the market price where there is
            no government-prescribed price.

      2.6.4 Coordination of annual demand of products and services

            Before November of each year, CRMSC is required to discuss and
            confirm with the Company an annual plan detailing the estimated
            demand for products and services to be rendered in accordance with
            the CRMSC Products and Services Agreement for the forthcoming year.
            It is envisaged that from time to time and as required, individual
            product and service implementation agreements will be entered into
            between the Company and CRMSC and their respective subsidiaries and
            units (including subsidiaries, branches and other relevant units),
            as appropriate, in connection with the provision of products and
            services under the CRMSC Products and Services Agreement.

      2.6.5 Rights and obligations

            Both the Company and CRMSC agree and guarantee, among other things,
            to procure their respective subsidiaries and units (including
            subsidiaries, branches and other relevant units) to provide the
            products and services thereof in accordance with the terms and
            services thereof in accordance with the terms and principles of the
            CRMSC Products and Services Agreement.

      2.6.6 Term and termination

            The term of the CRMSC Products and Services Agreement was initially
            3 years commencing from 1 January 2006. Pursuant to the supplemental
            agreement to the CRMSC Products and Services Agreement dated 27
            August 2008, the term of the CRMSC Products and Services Agreement
            shall be extended for a further period of three years commencing
            from 1 January 2009 to 31 December 2011.

            During the term of the CRMSC Products and Services Agreement (as
            amended), the product and service implementation agreements may be
            terminated from time to time by the parties to the product and
            service implementation agreements providing at least 6 months'
            written notice of termination in relation to any one or more
            categories of products or services. Further, in respect of any
            products or services already contracted to be provided, termination
            may not take place until after such products and services have been
            provided.

2.7   Continuing connected transactions under the Beijing Gas Products and
      Services Agreement

      2.7.1 Products and services to be provided by the Company to Beijing Gas

            Under the Beijing Gas Products and Services Agreement, products and
            services to be continuously provided by the Company to Beijing Gas
            include, among other things, natural gas and natural gas related
            pipe transportation services.


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      2.7.2 General principles, pricing and terms

            The Beijing Gas Products and Services Agreement requires, in general
            terms that:

            (a)   The quality of goods and services to be provided should be
                  satisfactory to the recipient;

            (b)   The price at which such products and services are to be
                  provided must be fair and reasonable;

            (c)   The terms and conditions on which such products and services
                  are to be provided should be no less favourable than those
                  offered by independent third parties; and

            (d)   The products and services shall be provided and standardised
                  by contracting under individual product and service
                  agreements.

      2.7.3 Pricing determination

            The pricing of any product and service provided pursuant to the
            Beijing Gas Products and Services Agreement shall be determined by
            reference to the government-prescribed price or the market price
            where there is no government-prescribed price.

      2.7.4 Coordination of annual demand of products and services

            Before November of each year, Beijing Gas is required to discuss and
            confirm with the Company an annual plan detailing the estimated
            demand for products and services to be rendered in accordance with
            the Beijing Gas Products and Services Agreement for the forthcoming
            year. It is envisaged that from time to time and as required,
            individual product and service implementation agreements will be
            entered into between the Company and Beijing Gas and their
            respective subsidiaries and units (including subsidiaries, branches
            and other relevant units), as appropriate, in connection with the
            provision of products and services under the Beijing Gas Products
            and Services Agreement.

      2.7.5 Rights and obligations

            Both the Company and Beijing Gas agree and guarantee, among other
            things, to procure their respective subsidiaries and units
            (including subsidiaries, branches and other relevant units) to
            provide the products and services in accordance with the terms and
            principles of the Beijing Gas Products and Services Agreement.

      2.7.6 Term and termination

            The term of the Beijing Gas Products and Services Agreement was
            initially 3 years commencing from 1 January 2006. Pursuant to the
            supplemental agreement to the Beijing Gas Products and Services
            Agreement dated 27 August 2008, the term of the Beijing Gas Products
            and Services Agreement shall be extended for a further period of
            three years commencing from 1 January 2009 to 31 December 2011.

            During the term of the Beijing Gas Products and Services Agreement
            (as amended), the product and service implementation agreements may
            be terminated from time to time by the parties to the product and
            service implementation agreements providing at least 6 months'
            written notice of termination in relation to any one or more
            categories of products or services. Further, in respect of any
            products or services already contracted to be provided, termination
            may not take place until after such products and services have been
            provided.


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2.8   Historical amounts, existing caps, proposed caps and rationale

      The Board has considered and proposed that the following proposed caps in
      respect of the Continuing Connected Transactions which will serve as the
      maximum annual value of the relevant transactions above for the period
      from 1 January 2009 to 31 December 2011:



                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(1) Products and      For the two years       For the year        For the three         The annual proposed caps for the products
services to be        ended 31 December       ending              years ending          and services to be provided by the Group to
provided by the       2007 and the six        31 December         31 December           CNPC and Jointly-held Entities have been
Group to CNPC         months ended            2008,               2011, RMB96,324       determined with reference to the historical
and Jointly           30 June 2008,           RMB50,129           million,              transactions and transaction amounts in
controlled            approximately           million             RMB156,440            providing products and services by the Group
Entities              RMB27,714 million,      (proposed to        million and           to CNPC; the estimated business growth of
                      RMB40,730 million       be revised to       RMB167,981            the Group; the estimated business growth of
                      and RMB22,186           RMB71,289           million,              CNPC; the potential fluctuations and
                      million,                million)            respectively          increases in the prices of crude oil,
                      respectively                                                      petrochemical products, natural gas and
                                                                                        other oil products and services both in the
                                                                                        international market and in the domestic
                                                                                        market; and quantities of crude oil required
                                                                                        (by the Group as decreed by the government).

                                                                                        The Group is of the view that the proposed
                                                                                        increase in annual cap is in line with the
                                                                                        estimated development of the business of the
                                                                                        Group and the CNPC Group, and is determined
                                                                                        based on principles of fairness and
                                                                                        reasonableness.

(2) Products
and services to be
provided by CNPC
to the Group



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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(a) Construction      For the two years       For the year        For the three         The annual proposed caps for the provision
and technical         ended 31 December       ending              years ending          of construction and technical services have
services              2007 and the six        31 December         31 December 2011,     been determined with reference to the
                      months ended            2008,               RMB242,967            previous transactions and transaction
                      30 June 2008,           RMB105,661          million,              amounts for the construction and technical
                      approximately           million             RMB256,937            services provided by CNPC to the Group; the
                      RMB82,741 million,      (proposed to        million and           estimated business growth of the Company and
                      RMB97,257 million       be revised to       RMB215,526            the increase in capital investment for
                      and RMB42,588           RMB165,578          million,              pipelines construction and refinery projects
                      million,                million)            respectively          during 2009-2011.
                      respectively
                                                                                        As it is expected that a significant portion
                                                                                        of these projects will be completed in 2010,
                                                                                        the estimated cap in 2011 is lower than
                                                                                        that of 2009-2010.

                                                                                        The Group has obtained construction and
                                                                                        technical services from CNPC in the ordinary
                                                                                        course of business, and as one of the most
                                                                                        experienced companies in the world, the
                                                                                        construction and technical services provided
                                                                                        to the Group are quality services. CNPC is
                                                                                        also one of the few companies in the PRC
                                                                                        which provide quality petrochemical related
                                                                                        construction and technical services.

                                                                                        The Group is of the view that the proposed
                                                                                        increase in annual cap is in line with the
                                                                                        estimated development of the business of the
                                                                                        Group, and is determined based on principles
                                                                                        of fairness and reasonableness.



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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(b) Production        For the two years       For the year        For the three         The annual proposed caps for the production
services              ended 31 December       ending              years ending          services provided by CNPC to the Group have
                      2007 and the six        31 December         31 December 2011,     been determined with reference to the
                      months ended            2008,               RMB92,912             previous transactions conducted and
                      30 June 2008,           RMB98,518           million,              transaction amounts in respect of production
                      approximately           million             RMB138,221            services provided by CNPC to the Group; the
                      RMB32,730 million,                          million and           estimated business growth of the Group; and
                      RMB49,455 million                           RMB182,798            the potential fluctuations and increases in
                      and RMB38,391                               million,              the international and the PRC market prices
                      million,                                    respectively          of crude oil, petroleum and petrochemical
                      respectively                                                      products, leading to higher energy costs
                                                                                        in the production process.

                                                                                        Production services mainly consist of water
                                                                                        supply, electricity generation and supply,
                                                                                        gas supply by CNPC to the Group and the
                                                                                        supply of petroleum and petrochemical
                                                                                        products by Jointly-held Entities to the
                                                                                        Group. The Group is of the view that the
                                                                                        proposed increase in annual cap is in line
                                                                                        with the estimated development of the
                                                                                        business of the Group, and is determined
                                                                                        based on principles of fairness and
                                                                                        reasonableness.



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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(c) Material          For the two years       For the year        For the three         The annual caps for the supply of materials
supply services       ended 31 December       ending              years ending          services paid by the Group to CNPC have been
                      2007 and the six        31 December         31 December 2011,     determined by reference to the estimated
                      months ended            2008, RMB5,574      RMB6,245 million,     business growth of the Company; and
                      30 June 2008,           million             RMB7,306 million      increases in the volume of purchases by
                      approximately           (proposed to        and RMB6,985          the Group.
                      RMB3,306 million,       be revised to       million,
                      RMB3,573 million        RMB5,850            respectively          CNPC is one of the leading buyers of
                      and RMB3,818            million)                                  petrochemical raw materials in the PRC. With
                      million,                                                          the economy of scale and to increase the
                      respectively                                                      collective bargaining power of CNPC, the
                                                                                        centralized materials purchase by CNPC thus
                                                                                        stabilise the purchase prices of the
                                                                                        Company's raw materials.

                                                                                        With the Company's dominant position and
                                                                                        increase in the petroleum and petrochemical
                                                                                        industries of the PRC, as well as the
                                                                                        increase in the size of business, these
                                                                                        ongoing connected transactions and
                                                                                        transaction amounts are expected to
                                                                                        increase.

                                                                                        On the other hand, the Group is also
                                                                                        involved in a number of pipeline
                                                                                        construction and refinery projects in which
                                                                                        CNPC provides to the Group material supply
                                                                                        services. As it is expected that a
                                                                                        significant portion of these projects will
                                                                                        be completed in 2010, the estimated cap in
                                                                                        2011 is lower than that of 2010.

                                                                                        The Group is of the view that the proposed
                                                                                        increase in annual cap is in line with the
                                                                                        estimated development of the business of the
                                                                                        Group, and is determined based on principles
                                                                                        of fairness and reasonableness.



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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(d) Social and        For the two years       For the year        For the three         The annual proposed caps for social and
ancillary             ended 31 December       ending              years ending          ancillary services have been determined with
services              2007 and the six        31 December         31 December 2011,     reference to the previous transactions
                      months ended            2008, RMB5,000      RMB7,045 million,     conducted and transaction amounts in respect
                      30 June 2008,           million             RMB7,581 million      of the social and ancillary services
                      approximately           (proposed to        and RMB8,040          provided by CNPC to the Group; the estimated
                      RMB4,759 million,       be revised          million,              business growth of the Group. The Group is
                      RMB4,864 million        to RMB5,811         respectively          of the view that the proposed increase in
                      and RMB2,341            million)                                  annual cap is in line with the development
                      million,                                                          of the business of the Group, and is
                      respectively                                                      determined based on principles of fairness
                                                                                        and reasonableness.

(e) Financial
services (note)

(i) Aggregate         For the two years       For the year        For the three         The annual proposed caps for the financial
of maximum daily      ended 31 December       ending              years ending          services (aggregate of deposits and
deposits made         2007 and the six        31 December         31 December 2011,     interests) provided by CNPC to the Group
by the Group          months ended            2008,               RMB18,600 million,    have been determined with reference to the
with CNPC and         30 June 2008,           RMB9,126            RMB18,600 million     estimated business growth of the Group; the
the interests         approximately           million             and RMB18,600         Group's historical cashflow and levels of
thereon               RMB8,816 million,                           million,              deposits; the competitive interest rates
                      RMB8,694 million                            respectively          offered by CNPC Finance and other financial
                      and RMB7,900                                                      institutions.
                      million,
                      respectively                                                      In order to optimise cash flow management
                                                                                        and capital efficiency of the Group and
                                                                                        CNPC, there is the specific target of
                                                                                        providing a centralised financial management
                                                                                        by CNPC Finance and other financial
                                                                                        institutions, which provides a full range of
                                                                                        financial services to the Group and CNPC.
                                                                                        The Group is of the view that the proposed
                                                                                        increase in annual cap is in line with the
                                                                                        development of the business of the Group,
                                                                                        and is determined based on principles of
                                                                                        fairness and reasonableness.



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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(ii) Insurance,       Nil                     The annual          For the three         To optimise cash flow management and capital
fees and                                      caps for            years ending          efficiency of the Group and CNPC, there is
expenses for                                  2006 to 2008        31 December 2011,     the specific target of providing a
entrustment                                   approved by         RMB1,864 million,     centralised financial management by CNPC
loans,                                        the                 RMB1,928 million      Finance and other financial institutions,
settlement                                    Independent         and RMB2,016          which provides a full range of financial
services and                                  Shareholders        million,              services to the Group and CNPC.
other                                         were combined       respectively
intermediary                                  into the
services                                      annual caps
                                              in respect of
                                              the loans and
                                              other
                                              financial
                                              services
                                              provided by
                                              CNPC to the
                                              Group and
                                              therefore,
                                              no separate
                                              annual caps
                                              are available.

(3) Financial         For the two years       For the year        For the three         The annual proposed caps for the financial
services to be        ended 31 December       ending              years ending          services, including but not limited to
provided by the       2007 and the six        31 December         31 December 2011,     guarantees and entrustment loans, to be
Group to              months ended            2008,               RMB23,582 million,    provided by the Group to the Jointly-held
Jointly-held          30 June 2008,           RMB44,465           RMB36,484 million     Entities have been determined with reference
Entities              approximately           million             and RMB51,839         to the business development and financing
                      RMB1,515 million,                           million,              needs of the Jointly-held Entities; and the
                      RMB2,138 million                            respectively          acquisition opportunities which may arise
                      and RMB353                                                        from time to time in the international
                      million,                                                          market. The Group's strategic objective of
                      respectively                                                      becoming an international petroleum company
                                                                                        with significant oil assets both onshore and
                                                                                        offshore as well as in both the PRC and
                                                                                        international markets. The Group is of the
                                                                                        view that the provision of financial
                                                                                        services to the Jointly-held Entities will
                                                                                        enable them to have sufficient funding for
                                                                                        future expansion.



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                             LETTER FROM THE BOARD
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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(4) Rentals to        For the two years       For the year        For the three         Each of the annual proposed caps comprises
be paid by the        ended 31 December       ending              years ending          of the annual leasing fee and the relevant
Group to CNPC         2007 and the six        31 December         31 December           PRC tax, which are in accordance with the
in respect of         months ended            2008, RMB2,260      2011, RMB3,795        Land Use Rights Leasing Contract. Savills
land                  30 June 2008,           million             million,              (Hong Kong) Limited, an independent valuer,
                      approximately           (proposed to be     RMB3,781              has appraised the lands leased to the Group.
                      RMB2,135 million,       revised to          million and
                      RMB2,152 million        RMB3,506            RMB3,786 million,
                      and RMB978 million,     million)            respectively
                      respectively

(5) Rentals to        For the two years       For the year        For the three         The Board considers that pursuant to the
be paid by the        ended 31 December       ending              years ending          Buildings Leasing Contract (as amended by
Group to CNPC         2007 and the six        31 December         31 December           the Supplemental Buildings Agreement), the
in respect of         months ended            2008, RMB140        2011, RMB210          annual proposed caps in respect of the
buildings             30 June 2008,           million             million, RMB217       building leases provided by CNPC to the
                      approximately           (proposed to        million and           Group can support future business
                      RMB140 million,         be revised          RMB221 million,       development and planning. The annual
                      RMB140 million          to RMB196           respectively          proposed caps are in accordance with
                      and RMB58 million,      million)                                  Buildings Leasing Contract (as amended by
                      respectively                                                      the Supplemental Buildings Agreement), and
                                                                                        Savills (Hong Kong) Limited, an independent
                                                                                        valuer, has appraised the buildings leased
                                                                                        to the Group.

(6) Products and      For the two years       For the year        For the three         The annual proposed caps have been
services to be        ended 31 December       ending              years ending          determined with reference to (i) the
provided by the       2007 and the six        31 December         31 December 2011,     relevant pricing principles, i.e., the
Group to              months ended            2008,               RMB19,814 million,    government-prescribed price; (ii) the
CRMSC                 30 June 2008,           RMB13,152           RMB22,012 million     historical transaction levels for the same
                      approximately           million             and RMB23,729         type of transaction; and (iii) the estimated
                      RMB11,046 million,      (proposed to be     million,              future transaction levels based on the
                      RMB12,022 million       revised to          respectively          market needs in the coming 3 years.
                      and RMB7,229            RMB16,833
                      million,                million)
                      respectively



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                             LETTER FROM THE BOARD
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                            HISTORICAL        EXISTING 2008       PROPOSED CAPS FOR             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT            ANNUAL CAP           2009 TO 2011                    THE PROPOSED CAPS
------------          ------------------      -------------       -----------------     --------------------------------------------
                                                                            
(7) Products and      For the two years       For the year        For the three         The annual proposed caps have been
services to be        ended 31 December       ending              years ending          determined with reference to (i) the
provided by the       2007 and the six        31 December         31 December 2011,     relevant pricing principles, i.e., the
Group to              months ended            2008, RMB7,097      RMB8,296 million,     government-prescribed price; (ii) the
Beijing Gas           30 June 2008,           million             RMB11,775 million     historical transaction levels for the same
                      approximately           (proposed to        and RMB16,200         type of transaction; and (iii) the estimated
                      RMB4,170 million,       be revised to       million,              future transaction levels based on the
                      RMB4,865 million        RMB7,936            respectively          market needs in the coming 3 years.
                      and RMB3,331            million)
                      million,
                      respectively


      Note: The New Comprehensive Agreement also provides for loans and other
      financial assistance to be provided by CNPC to the Group. These are
      exempted under Rule 14A.65(4) of the HKEx Listing Rules from the
      reporting, announcement and the independent shareholders' approval
      requirements set out in Chapter 14A of the HKEx Listing Rules. Please
      refer to paragraph 2.10.1 for details.

2.9   Reasons for and benefits of the Continuing Connected Transactions

      The Continuing Connected Transactions are and will be conducted in the
      ordinary and usual course of business of the Company. This category of
      transactions will continue to be agreed on an arm's length basis with
      terms that are fair and reasonable to the Company. Due to the long-term
      relationship between the Company and CNPC and between the Company and
      Beijing Gas/ CRMSC, the Directors (including the independent non-executive
      Directors) consider that: (a) it is beneficial to the Company to continue
      to enter into the Continuing Connected Transactions as these transactions
      have facilitated and will continue to facilitate the operation and growth
      of the Group's business; (b) the Continuing Connected Transactions have
      been conducted on normal commercial terms or on terms no less favourable
      than those available to the Group from independent third parties, under
      prevailing local market conditions, and were entered into in the ordinary
      and usual course of business of the Group, are fair and reasonable and in
      the interests of the Company and the Shareholders as a whole, and that the
      Proposed Caps are fair and reasonable.

      The views of the independent non-executive Directors constituting the
      Independent Board Committee on the Non-Exempt Continuing Connected
      Transactions and the Proposed Caps in respect of the Non-Exempt Continuing
      Connected Transactions are included in the letter from the Independent
      Board Committee set out in this circular.

2.10  Disclosure and independent shareholders' approval requirements

       2.10.1 Under the HKEx Listing Rules, loans and other financial assistance
              to be provided by CNPC to the Group, being financial assistance
              provided by a connected person for the benefit of the listed
              issuer on normal commercial terms (or better to the listed issuer)
              where no security over the assets of the listed issuer is granted
              in respect thereof, is exempted under Rule 14A.65(4) of the HKEx
              Listing Rules from the reporting, announcement and the independent
              shareholders' approval requirements set out in Chapter 14A of the
              HKEx Listing Rules.

       2.10.2 Under the HKEx Listing Rules, the following category of Continuing
              Connected Transactions is exempted from the reporting,
              announcement and the independent shareholders' approval


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              requirements set out in Chapter 14A of the HKEx Listing Rules, as
              each of the percentage ratios under Rule 14.07 of the HKEx Listing
              Rules (other than the profits ratio), where applicable, in
              relation of each of these categories is, on an annual basis,
              expected to be less than 0.1% under Rule 14A.33(3)(a) of the HKEx
              Listing Rules:

              (5)        Rentals to be paid by the Group to CNPC in respect of
                         buildings

       2.10.3 Under the HKEx Listing Rules, the following categories of
              Continuing Connected Transactions are exempted from the
              independent shareholders' approval requirement but are subject to
              the reporting and announcement requirements set out in Rules
              14A.45 to 14A.47 of the HKEx Listing Rules, as each of the
              percentage ratios under Rule 14.07 of the HKEx Listing Rules
              (other than the profits ratio), where applicable, in relation of
              each of these categories is, on an annual basis, expected to be
              less than 2.5% under Rule 14A.34(1) of the HKEx Listing Rules:

              2(c)       Material supply services to be provided by CNPC to the
                         Group

              2(d)       Social and ancillary services to be provided by CNPC to
                         the Group

              (2)(e)(i)  Aggregate of the maximum daily amount of deposits and
                         the total amount of interest received in respect of
                         these deposits

              (2)(e)(ii) Insurance, fees and expenses for entrustment loans,
                         settlement services and other intermediary services

              (4)        Rentals to be paid by the Group to CNPC in respect
                         of land

              (7)        Products and services to be provided by the Group to
                         Beijing Gas

       2.10.4 Under the HKEx Listing Rules, the following transactions are
              Non-Exempt Continuing Connected Transactions which are subject to
              the reporting, announcement and independent shareholders' approval
              (in respect of products and services to be provided by the Group
              to CRMSC, Shareholders' approval only) requirements

              (1)        Products and services to be provided by the Group to
                         CNPC and Jointly-held Entities

              (2)(a)     Construction and technical services to be provided by
                         CNPC to the Group

              (2)(b)     Production services to be provided by CNPC to the Group

              (3)        Financial services to be provided by the Group to the
                         Jointly-held Entities

              (6)        Products and services to be provided by the Group to
                         CRMSC

              The Company will seek the Independent Shareholders'/Shareholders'
              approval at the Extraordinary General Meeting for the Non-Exempt
              Continuing Connected Transactions and the relevant proposed caps
              on the condition that:

              (I)        the annual amount of each category of the Non-Exempt
                         Continuing Connected Transactions shall not exceed the
                         relevant proposed cap;

              (II)       (i)    the Non-Exempt Continuing Connected Transactions
                                will be entered into in the ordinary and usual
                                course of business of the Group and either (A)
                                on normal commercial terms or (B) if there is
                                no available comparison, on terms no less
                                favourable than terms available to the Group
                                from independent third parties; and


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                              LETTER FROM THE BOARD
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               (ii) the Non-Exempt Continuing Connected Transactions will be
                    entered into in accordance with the Comprehensive Agreement
                    (for transactions (1), (2)(a)-(b) and (3)), or the CRMSC
                    Products and Services Agreement (for transaction (6)) and on
                    terms that are fair and reasonable and in the interests of
                    the Company and the Shareholders as a whole.

          The Company will comply with relevant provisions of the HKEx Listing
          Rules in relation to each category of the Non-Exempt Continuing
          Connected Transactions.

3.   REVISED CAPS OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2008

3.1  Background

     References are made to the circular of the Company dated 22 September 2005
     in relation to the Continuing Connected Transactions and the circular of
     the Company dated 14 September 2006 revising certain annual caps of the
     Continuing Connected Transactions. At the extraordinary general meetings of
     the Company held on 8 November 2005 and 1 November 2006 respectively, the
     Independent Shareholders and/or Shareholders (as the case may be) approved
     the Continuing Connected Transactions and the annual caps for the three
     years ending 31 December 2008 and the subsequent revision of certain annual
     caps.

     The Company has closely monitored the performance of the Continuing
     Connected Transactions. However, due to the surge in the international
     crude oil prices in 2008, the increase in the volume of the refined
     products, estimated increase in the level of exploration activities by the
     Group within the PRC, the rise of exploration costs and the expansion of
     overseas exploration, and taking into account the fact that, based on
     historical trends, the amount of transactions settled for the second half
     of each year often accounts for more than two-thirds of the value for the
     full year, the Board considers that the existing annual cap in respect of
     2008 for certain categories of the Continuing Connected Transactions,
     namely the Relevant Categories, may not be able to satisfy the Group's
     requirements for the whole year. The Board therefore proposes that the
     existing annual cap for the Relevant Categories in respect of 2008 be
     revised in order to cater for the Group's demand for the year ending 31
     December 2008.

3.2  The Relevant Categories

     3.2.1 Products and services to be provided by the Group to CNPC and
           Jointly-held Entities

           Under the Comprehensive Agreement, products and services to be
           provided by the Group to CNPC include those relating to refined oil
           products, chemical products, natural gas, crude oil, supply of water,
           electricity, gas, heating, quantifying and measuring, quality
           inspection and other products and services as may be requested by
           CNPC for its own consumption, use or sale from time to time.

           Under the Comprehensive Agreement, it was agreed that, among other
           things, the Group shall provide to the Jointly-held Entities products
           and services including crude oil, refined products, petrochemical
           products, natural gas products on the same pricing basis as those
           products and services to be provided by the Group to CNPC.

     3.2.2 Products and services to be provided by CNPC to the Group

           The products and services to be provided by CNPC to the Group are
           expected to be more numerous, both in terms of quantity and variety,
           than those to be provided by the Group to CNPC. They have been
           grouped together and categorised into various types. The Board has


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                              LETTER FROM THE BOARD
--------------------------------------------------------------------------------

            proposed to revise the annual cap in respect to the following types
            of products and services for the year ending 31 December 2008:

            (a)   Construction and technical services, mainly associated with
                  products and services to be provided at the stage prior to
                  commission and production, including but not limited to
                  exploration technology service, downhole operation service,
                  oilfield construction service, oil refinery construction
                  service and engineering and design service;

            (c)   Material supply services, mainly involving the agency services
                  on the procurement of materials both before and after
                  commission and production, including but not limited to
                  purchase of materials, quality control, storage of materials
                  and delivery of materials, which by virtue of its nature, are
                  not covered in the construction and technical services and
                  production services referred to above; and

            (d)   Social and ancillary services, including but not limited to
                  security services, education, hospitals, property management,
                  staff canteen, training centers and guesthouses.

      3.2.3 Rentals to be paid by the Group to CNPC in respect of land

            The Company entered into the Land Use Rights Leasing Contract with
            CNPC on 10 March 2000 under which CNPC has leased a total of 42,476
            parcels of land in connection with and for the purpose of all
            aspects of the operations and business of the Group covering an
            aggregate area of approximately 1,145 million square meters, located
            throughout the PRC, to the Company for a term of 50 years at an
            annual fee of RMB2,000 million.

      3.2.4 Rentals to be paid by the Group to CNPC in respect of buildings

            The Company entered into the Buildings Leasing Contract with CNPC on
            10 March 2000 pursuant to which CNPC has leased to the Company a
            total of 191 buildings covering an aggregate area of 269,770 square
            meters, located throughout the PRC for the use by the Company for
            its business operation including the exploration, development and
            production of crude oil, the refining of crude oil and petroleum
            products, the production and sale of chemicals, etc.

            Further to the Buildings Leasing Contract mentioned above, the
            Company entered into a Supplemental Buildings Leasing Agreement with
            CNPC on 26 September 2002 under which CNPC agreed to lease another
            404 buildings to the Group in connection with and for the purpose of
            the operation and business of the Group covering an aggregate of
            approximately 442,730 square meters.

      3.2.5 Products and services to be provided by the Company to CRMSC

            Under the CRMSC Products and Services Agreement, products and
            services to be continuously provided by the Company to CRMSC
            include, among other things, refined products (such as gasoline,
            diesel and other petroleum products).

      3.2.6 Products and services to be provided by the Company to Beijing Gas

            Under the Beijing Gas Products and Services Agreement, products and
            services to be continuously provided by the Company to Beijing Gas
            include, among other things, natural gas and natural gas related
            pipe transportation services.


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3.3   Historical amounts, existing caps, revised caps and rationale of the
      Relevant Categories

      The Board has proposed that the following revised caps in respect of the
      Relevant Categories be set as the maximum annual amount of such
      transactions for the year ending 31 December 2008:



                            HISTORICAL          EXISTING 2008       REVISED CAPS IN             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT              ANNUAL CAP        RESPECT OF 2008                  THE REVISED CAPS
------------          ---------------------   -----------------   -------------------   -------------------------------------------
                                                                            
(1) Products and      For the two years       For the year        For the year ending   The  reason for the increase in the
services to be        ended 31 December       ending              31 December 2008,     transaction amounts is mainly due to
provided by the       2007 and the six        31 December 2008,   RMB71,289 million     increases in the transaction volume and
Group to CNPC         months ended 30 June    RMB50,129 million                         the prices for both the crude oil and
and the Jointly-      2008, approximately                                               refined products. In particular, there have
held Entities         RMB27,714 million,                                                been increases in both the import of crude
                      RMB40,730 million and                                             oil reserve and export/import trading of
                      RMB22,186 million,                                                crude oil (by the Group as decreed by the
                      respectively                                                      government) as well as the production of
                                                                                        crude oil (by the Group as decreed by the
                                                                                        the government).

(2) Products and
services to be
provided by CNPC
to the Group

(a) Construction and  For the two years       For the year        For the year ending   The volume of crude oil and natural gas
technical services    ended 31 December       ending              31 December           deployed in the two-dimension seismic
                      2007 and the six        31 December 2008,   2008, RMB165,578      (CHINESE CHARACTERS), three-dimension
                      months ended 30 June    RMB105,661 million  million               seismic (CHINESE CHARACTERS), drilling and
                      2008, approximately                                               risk operations has increased
                      RMB82,741 million,                                                continuously, which is an important reason
                      RMB97,257 million and                                             for the increased in the transaction.
                      RMB42,588 million,                                                Following the commencement of a number of
                      respectively                                                      pipeline construction projects and refining
                                                                                        construction projects, the direct
                                                                                        deployment of materials from CNPC increases.


(b) Production        -                       -                   No Revision           -
Services



                                    -- 27 --

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                              LETTER FROM THE BOARD
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                            HISTORICAL          EXISTING 2008       REVISED CAPS IN             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT              ANNUAL CAP        RESPECT OF 2008                  THE REVISED CAPS
------------          ---------------------   -----------------   -------------------   -------------------------------------------
                                                                            
(c) Material supply   For the two years       For the year        For the year          Following the commencement of construction
services              years ended             ending 31 December  ending 31 December    of oil and gas facilities and other
                      31 December 2007 and    2008, RMB5,574      2008, RMB5,850        construction projects, transaction amounts
                      the six months ended    million             million               for materials purchase and the agency fees
                      30 June 2008,                                                     are therefore increased.
                      approximately
                      RMB3,306 million,
                      RMB3,573 million and
                      RMB3,818 million,
                      respectively


(d) Social and        For the two years       For the year        For the year          The main reasons for the increase are the
ancillary services    ended 31 December 2007  ending 31 December  ending 31 December    enhancement of property management services
                      and the six months      2008, RMB5,000      2008, RMB5,811        and increases in the prices of water and
                      ended 30 June 2008,     million             million               electricity supplies.
                      approximately
                      RMB4,759 million,
                      RMB4,864 million and
                      RMB2,341 million,
                      respectively


(3) Financial
Services              -                       -                   No revision           -

(4) Rentals to be     For the two years       For the year        For the year          The proposed revision of the annual cap for
paid by the Group     ended 31 December 2007  ending 31 December  ending 31 December    the year ending 31 December 2008 is resulted
to CNPC in respect    and the six months      2008, RMB2,260      2008, RMB3,506        from an increase in the land consumption tax
of land               ended 30 June 2008,     million             million               by 200% per square meter in accordance with
                      approximately                                                     the relevant PRC regulations. Municipal and
                      RMB2,135 million,                                                 prefectural governments may also make
                      RMB2,152 million and                                              classifications on local land.
                      RMB978 million,
                      respectively



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                              LETTER FROM THE BOARD
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                            HISTORICAL          EXISTING 2008       REVISED CAPS IN             BASIS OF DETERMINATION OF
TRANSACTIONS                  AMOUNT              ANNUAL CAP        RESPECT OF 2008                  THE REVISED CAPS
------------          ---------------------   -----------------   -------------------   -------------------------------------------
                                                                            

(5) Rentals to be     For the two years       For the year        For the year ending   The proposed revision of the annual cap
paid by the Group     ended 31 December 2007  ending 31 December  31 December 2008,     for the year ending 31 December 2008 is
to CNPC in respect    and the six months      2008, RMB140        RMB196 million        resulted from full execution of the area
of buildings          ended 30 June 2008,     million                                   leased under the Building Leasing Contract
                      approximately                                                     and its supplemental agreement.
                      RMB140 million,
                      RMB140 million and
                      RMB58 million,
                      respectively


(6) Products and      For the two years       For the year        For the year ending   As a result of the rapid expansion of the
services to be        ended 31 December 2007  ending 31 December  31 December 2008,     railway network in the PRC, demand for goods
provided by the       and the six months      2008, RMB13,152     RMB16,833 million     rose markedly. In addition, the increase
Group to CRMSC        ended 30 June 2008,     million                                   in the transaction amounts is also due to
                      approximately                                                     the increase in the refined product price.
                      RMB11,046 million,
                      RMB12,022 million and
                      RMB7,229 million,
                      respectively


(7) Products and      For the two years       For the year        For the year ending   The increase in the transaction volume is
services to be        ended 31 December 2007  ending 31 December  31 December 2008,     due to the 2008 Beijing Olympic Games where
provided by the       and the six months      2008, RMB7,097      RMB7,936 million      demand for green and clean energy surged. In
Group to              ended 30 June 2008,     million                                   addition, the increase in the transaction
Beijing Gas           approximately                                                     amounts is due to the increase in the
                      RMB4,170 million,                                                 natural gas selling  price in accordance
                      RMB4,865 million and                                              with the relevant PRC regulations.
                      RMB3,331 million,
                      respectively



The continuing connected transactions under the Relevant Categories are and will
be conducted in the ordinary and usual course of business of the Company. This
category of transactions will continue to be agreed on an arm's length basis
with terms that are fair and reasonable to the Company. Due to the long- term
relationship between the Company and CNPC and between the Company and
CRMSC/Beijing Gas, the Directors (including the independent non-executive
Directors) consider that: (a) it is beneficial


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                             LETTER FROM THE BOARD
--------------------------------------------------------------------------------

      to the Company to continue to enter into the Relevant Categories of the
      continuing connected transactions as these transactions have facilitated
      and will continue to facilitate the operation and growth of the Group's
      business; (b) the continuing connected transactions under the Relevant
      Categories have been conducted on normal commercial terms or on terms no
      less favourable than those available to the Group from independent third
      parties, under prevailing local market conditions, and were entered into
      in the ordinary and usual course of business of the Group, are fair and
      reasonable and in the interests of the Company and the Shareholders as a
      whole, and that the Revised Caps for the Relevant Categories are fair and
      reasonable.

      The views of the independent non-executive Directors constituting the
      Independent Board Committee on the Revised Non-Exempt Annual Caps are
      included in the letter from the Independent Board Committee set out in
      this circular.

3.4   Disclosure and independent shareholders' approval requirements

      3.4.1 Under the HKEx Listing Rules, the Revised Caps of the following
            category of Continuing Connected Transactions is exempted from the
            reporting, announcement and the independent shareholders' approval
            requirements set out in Chapter 14A of the HKEx Listing Rules, as
            each of the percentage ratios under Rule 14.07 of the HKEx Listing
            Rules (other than the profits ratio), where applicable, in relation
            of each of these categories is, on an annual basis, expected to be
            less than 0.1% under Rule 14A.33(3)(a) of the HKEx Listing Rules:

            (5)    Rentals to be paid by the Group to CNPC in respect of
                   buildings

      3.4.2 Under the HKEx Listing Rules, the Revised Caps of the following
            categories of the Continuing Connected Transaction are exempted from
            the independent shareholders' approval requirement but are subject
            to the reporting and announcement requirements set out in Rules
            14A.45 to 14A.47 of the HKEx Listing Rules, as each of the
            percentage ratios under Rule 14.07 of the HKEx Listing Rules (other
            than the profits ratio), where applicable, in relation of each of
            these categories is, on an annual basis, expected to be less than
            2.5% under Rule 14A.34(1) of the HKEx Listing Rules:

            (2)(c) Material supply services

            (2)(d) Social and ancillary services

            (4)    Rentals to be paid by the Group to CNPC in respect of land

            (6)    Products and services to be provided by the Group to CRMSC

            (7)    Products and services to be provided by the Group to Beijing
                   Gas

          3.4.3    Under the HKEx Listing Rules, the Revised  Non-Exempt  Annual
                   Caps of the following  categories of the Continuing Connected
                   Transactions  are subject to the reporting,  announcement and
                   independent shareholders' approval requirements.

            (1)    Products and services to be provided by the Group to CNPC and
                   the Jointly-held Entities

            (2)(a) Construction and technical services to be provided by CNPC to
                   the Group

            The Company will seek the Independent Shareholders' approval at the
            Extraordinary General Meeting for the Revised Non-Exempt Annual Caps
            and the relevant revised caps on the condition that:

            (a)    the annual amount of each of the above category for the year
                   ending 31 December 2008 shall not exceed the Revised
                   Non-Exempt Annual Caps;

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            (b)   (i)   the above continuing connected transactions will be
                        entered into in the ordinary and usual course of
                        business of the Group and either (A) on normal
                        commercial terms or (B) if there is no available
                        comparison, on terms no less favourable than terms
                        available to the Group from independent third parties;
                        and

                  (ii)  the above continuing connected transactions will be
                        entered into in accordance with the relevant agreements
                        and on terms that are fair and reasonable and in the
                        interests of the Company and the Shareholders as a
                        whole.

      The Company will comply with relevant provisions of the HKEx Listing Rules
      and the Shanghai Listing Rules in relation to the continuing connected
      transactions under the Relevant Categories.

4.    APPROVAL BY INDEPENDENT SHAREHOLDERS/SHAREHOLDERS

      As CNPC holds approximately 86.29% of the issued share capital of the
      Company, it is a controlling shareholder of the Company. CRMSC, being a
      substantial shareholder of the Company's subsidiary, PetroChina & CRMSC
      Oil Marketing. Beijing Gas is a substantial shareholder of the Company's
      subsidiary, Huayou. By virtue of the above relationships, each of CNPC,
      CRMSC and Beijing Gas is a connected person of the Company under the HKEx
      Listing Rules. Transactions between the Company and each of CNPC, CRMSC
      and Beijing Gas constitute connected transactions of the Company under the
      HKEx Listing Rules. The Proposed Caps in respect of the Non-Exempt
      Continuing Connected Transactions and the Revised Non-Exempt Annual Caps
      are subject to approval by the Independent Shareholders/Shareholders under
      the HKEx Listing Rules. In view of the interests of CNPC, CNPC and its
      associates will abstain from voting in relation to the resolutions
      approving the entering into of the New Comprehensive Agreement and the
      Proposed Caps in respect of the Non-Exempt Continuing Connected
      Transactions and the Revised Non-Exempt Annual Caps under the
      Comprehensive Agreement. In view of the interests of CRMSC, in the event
      CRMSC and its associates is interested in the Shares, CRMSC and its
      associates will abstain from voting in relation to the resolutions
      approving the supplemental agreement to the CRMSC Products and Services
      Agreement and the Non-Exempt Continuing Connected Transaction under the
      CRMSC Products and Services Agreement.

      An Independent Board Committee has been formed to advise the Independent
      Shareholders/ Shareholders in connection with the terms of the Revised
      Non-Exempt Annual Caps and the Proposed Caps in respect of the Non-Exempt
      Continuing Connected Transactions, and the Independent Financial Adviser
      has been appointed to advise the Independent Board Committee and the
      Independent Shareholders/Shareholders on the same. Their respective views
      are included in the letter from the Independent Board Committee and the
      letter from the Independent Financial Adviser set out in this circular.

5.    GENERAL INFORMATION

5.1   Information on the Company

      The Company and its subsidiaries are mainly engaged in petroleum and
      natural gas-related activities, including:

      (1)   the exploration, development, production and sale of crude oil and
            natural gas;

      (2)   the refining, transportation, storage and marketing of crude oil and
            petroleum products;

      (3)   the production and sale of basic petrochemical products, derivative
            chemical products and other petrochemical products; and

      (4)   the transmission of natural gas, crude oil and refined products, and
            the sale of natural gas.

                                    -- 31 --

--------------------------------------------------------------------------------
                             LETTER FROM THE BOARD
--------------------------------------------------------------------------------

5.2   Information on CNPC

      The controlling shareholder of the Company is CNPC. CNPC is a petroleum
      and petrochemical conglomerate that was formed in the wake of the
      restructuring launched by the State Council to restructure the predecessor
      of CNPC, China National Petroleum Company (CHINESE CHARACTERS). CNPC is
      also a state-authorised investment corporation and state-owned enterprise.
      CNPC is an integrated energy corporation with businesses covering oil and
      gas exploration and development, refining and petrochemical, oil product
      marketing, oil and gas storage and transportation, oil trading,
      engineering and technical services and petroleum equipment manufacturing.

5.3   Information on CNPC Finance

      As approved by the People's Bank of China and the China Banking Regulatory
      Commission, the principal business activities of CNPC Finance include
      receipt and payment of transaction amounts, insurance agency services,
      provision of guarantees, entrustment loans and entrustment investments,
      settlement and clearance of commercial notes, settlement of internal
      transfers, deposits, loans, financial leases and foreign exchange
      services.

5.4   Information on CRMSC

      CRMSC is a corporation of materials supply in the PRC. China Petroleum
      Sales Company Limited (CHINESE CHARACTERS), a wholly-owned subsidiary of
      the Company, and CRMSC jointly established PetroChina & CRMSC Oil
      Marketing in December 2004, holding respectively 51% and 49% of its equity
      interest. As far as the Company is aware of, CRMSC is independent of CNPC
      and Beijing Gas and does not have any relationship with CNPC or Beijing
      Gas.

5.5   Information on Beijing Gas

      Beijing Gas is an operator of natural gas supply network in the PRC. As
      far as the Company is aware of, Beijing Gas is independent of CNPC and
      CRMSC and does not have any relationship with CNPC or CRMSC.

6.    HKEX LISTING RULES IMPLICATIONS

      The views of the Independent Board Committee as well as the advice of the
      Independent Financial Adviser to the Independent Board Committee in
      respect of the Revised Non-Exempt Annual Caps and the Proposed Caps in
      respect of the Non-Exempt Continuing Connected Transactions set out in
      this circular.

7.    APPROVAL OF AGREEMENTS

      Pursuant to the HKEx Listing Rules and the Shanghai Listing Rules,

      (a)   the New Comprehensive Agreement shall be approved or ratified by the
            Independent Shareholders at the Extraordinary General Meeting, and
            CNPC and its associates will abstain from voting in view of its
            interests thereon; and

      (b)   the supplemental agreement to the CRMSC Products and Services
            Agreement shall be approved or ratified by the Shareholders at the
            Extraordinary General Meeting, and, in the event CRMSC and its
            associates is interested in the Shares, CRMSC and its associates
            will abstain from voting in view of its interests thereon.

                                    -- 32 --

--------------------------------------------------------------------------------
                             LETTER FROM THE BOARD
--------------------------------------------------------------------------------

      To the knowledge of the Company and its Directors, as at the Latest
      Practicable Date, CNPC and its associates are interested in
      157,922,077,818 A Shares, or approximately 86.29% of the total issued
      share capital of the Company.

      The EGM will be held at Crowne Plaza Beijing Park View Wuzhou Hotel, No. 8
      North Si Huan Zhong Road, Chaoyang District, Beijing, PRC at 9 a.m. on 21
      October 2008 (Tuesday) to approve the New Comprehensive Agreement, the
      supplemental agreement to the CRMSC Products and Services Agreement, the
      Proposed Caps in respect of the Non-Exempt Continuing Connected
      Transactions and the Revised Non-Exempt Annual Cap by way of ordinary
      resolution. The EGM Notice is set out in pages 56 to 57 of this circular.

      A form of proxy for use at the EGM is enclosed herewith. Whether or not
      you are able to attend the EGM, please complete the form of proxy and
      return the same in accordance with the instructions printed thereon. To be
      valid, for holders of A Shares, this form of proxy, together with the
      notarised power of attorney or other document of authorisation (if any),
      must be delivered to the Secretariat of the Board of Directors of the
      Company at Room 1521, World Tower, 16 Andelu, Dongcheng District, Beijing,
      PRC (Postal code: 100011) not less than 24 hours before the time appointed
      for the EGM. In order to be valid, for holders of H Shares, the above
      documents must be delivered to Hong Kong Registrars Limited, 46/F Hopewell
      Centre, 183 Queen's Road East, Hong Kong within the same period.

      Holders of H Shares whose names appear on the register of members of the
      Company before 4:00 p.m. on 10 October 2008 (Friday) are entitled to
      attend the EGM. The register of members of H Shares of the Company will be
      closed from 20 September 2008 to 21 October 2008 (both days inclusive),
      during which period no share transfer of H Shares will be registered.

      The Articles of Association provide that Shareholders who intend to attend
      the EGM shall lodge a written reply to the Company 20 days before the date
      of the EGM (the "Reply Date"). In case the written replies received by the
      Company from the Shareholders indicating their intention to attend the EGM
      represent less than one half of the total number of voting shares, the
      Company shall within five days from the Reply Date inform the Shareholders
      of the proposed matters for consideration at the EGM and the date and
      venue of the EGM by way of announcement. The EGM may be convened after the
      publication of such announcement.

      You are urged to complete and return the form of proxy and reply slip
      whether or not you intend to attend the EGM. Completion and return of the
      form of proxy will not preclude you from attending and voting at the EGM
      (or any subsequent meetings following the adjournments thereof) should you
      wish to do so.

      In accordance with the Articles of Association, the vote of a general
      meeting of the Company shall be taken on a show of hands unless a request
      for a voting by poll is made by the following person(s) before or after a
      voting by a show of hands:

      (1)   the chairman of the meeting;

      (2)   at least two Shareholders with voting rights or their proxies;

      (3)   a Shareholder or Shareholders (including his or their proxies) who
            solely or jointly hold(s) 10% or more of the Shares with rights to
            vote at the meeting.

      Unless a request for a voting by poll has been made, the chairman of the
      meeting shall based on the results of the voting by a show of hands,
      announce the results of voting on a resolution and enter the same in the
      minutes of the meeting.

                                    -- 33 --

--------------------------------------------------------------------------------
                             LETTER FROM THE BOARD
--------------------------------------------------------------------------------

      IN ACCORDANCE WITH THE HKEX LISTING RULES, THE VOTES OF THE INDEPENDENT
      SHAREHOLDERS (IN RESPECT OF PRODUCTS AND SERVICES TO BE PROVIDED BY THE
      GROUP TO CRMSC, THE SHAREHOLDERS) AT THE EGM WILL BE TAKEN BY A POLL.
      CNPC, THE CONTROLLING SHAREHOLDER OF THE COMPANY, WILL ABSTAIN FROM VOTING
      IN RESPECT OF THE ORDINARY RESOLUTION TO APPROVE THE PROPOSED CAPS IN
      RESPECT OF THE NON-EXEMPT CONTINUING CONNECTED TRANSACTIONS AND THE
      REVISED NON-EXEMPT ANNUAL CAP (EXCEPT IN RESPECT OF PRODUCTS AND SERVICES
      TO BE PROVIDED BY THE GROUP TO CRMSC) AT THE EGM BECAUSE OF ITS INTEREST
      IN THESE TRANSACTIONS. IN VIEW OF THE INTERESTS OF CRMSC, IN THE EVENT
      CRMSC AND ITS ASSOCIATES IS INTERESTED IN THE SHARES, CRMSC AND ITS
      ASSOCIATES WILL ABSTAIN FROM VOTING IN RELATION TO THE RESOLUTION
      APPROVING THE SUPPLEMENTAL AGREEMENT TO THE CRMSC PRODUCTS AND SERVICES
      AGREEMENT AND THE NON-EXEMPT CONTINUING CONNECTED TRANSACTION UNDER THE
      CRMSC PRODUCTS AND SERVICES AGREEMENT.

8.    RECOMMENDATION

      Your attention is drawn to the letter from the Independent Board
      Committee, which is set out on pages 35 to 36 of this circular, and which
      contains their recommendation in respect of the New Comprehensive
      Agreement, the supplemental agreement to the CRMSC Products and Services
      Agreement, the Proposed Caps in respect of the Non-Exempt Continuing
      Connected Transactions and the Revised Non-Exempt Annual Cap.

      The advice of the Independent Financial Adviser on the fairness and
      reasonableness of the Proposed Caps in respect of the Non-Exempt
      Continuing Connected Transactions and the Revised Non-Exempt Annual Cap
      are set out on pages 37 to 52 of this circular. The Independent Financial
      Adviser considers that the terms of Proposed Caps in respect of the
      Non-Exempt Continuing Connected Transactions and the Revised Non-Exempt
      Annual Cap on the whole are fair and reasonable so far as the Shareholders
      are concerned and are in the interests of the Company and the Shareholders
      as a whole.

      The Directors believe that the New Comprehensive Agreement, the
      supplemental agreement to the CRMSC Products and Services Agreement, the
      Proposed Caps in respect of the Non-Exempt Continuing Connected
      Transactions and the Revised Non-Exempt Annual Cap are in the interests of
      the Company and the Shareholders as a whole. Accordingly, the Directors
      recommend the Shareholders to vote in favour of the resolutions to be
      proposed at the EGM to approve the New Comprehensive Agreement, the
      supplemental agreement to the CRMSC Products and Services Agreement, the
      Proposed Caps in respect of the Non-Exempt Continuing Connected
      Transactions and the Revised Non-Exempt Annual Cap.

9.    FURTHER INFORMATION

      Your attention is drawn to the general information set out in Appendix I
      to this circular.

                                                  By the order of the Board
                                                 PETROCHINA COMPANY LIMITED
                                                        JIANG JIEMIN
                                              Chairman of the Board of Directors

                                    -- 34 --


--------------------------------------------------------------------------------
                  LETTER FROM THE INDEPENDENT BOARD COMMITTEE
--------------------------------------------------------------------------------

                       (PETROCHINA COMPANY LIMITED LOGO)
 (a joint stock limited company incorporated in the People's Republic of China
                            with limited liability)

                (STOCK CODE IN THE HONG KONG STOCK EXCHANGE: 857)

                                                                5 September 2008

Dear Shareholders,

1.   RENEWAL OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2009 TO 2011

2.   REVISED CAPS OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2008

     We refer to the Circular dated 5 September 2008 of the Company of which
this letter forms a part. Terms defined in the circular shall have the same
meanings when used herein.

     As CNPC directly owns an aggregate of approximately 86.29% of the issued
share capital of the Company, transactions between the Group and CNPC and its
associates constitute connected transactions for the Group under the HKEx
Listing Rules and are subject to approval from the Independent Shareholders.

     As CRMSC is a substantial shareholder of the Company's subsidiary,
PetroChina & CRMSC Oil Marketing, transactions between the Group and CRMSC and
its associates constitute connected transactions for the Group under the HKEx
Listing Rules and are subject to approval from the Shareholders.

     In view of the interest of the Independent Shareholders / the Shareholders
(where applicable), we have been appointed by the Board to constitute the
Independent Board Committee to consider and advise the Independent Shareholders
/ the Shareholders (where applicable) as to the fairness and reasonableness in
relation to the New Comprehensive Agreement, the supplemental agreement to the
CRMSC Products and Services Agreement, the Proposed Caps in respect of the
Non-Exempt Continuing Connected Transactions and the Revised Non-Exempt Annual
Cap, details of which are set out in the Letter from the Board in the Circular
to the Shareholders. ICEA has been retained as the independent financial adviser
to advise the Independent Board Committee in this respect. We wish to draw your
attention to the letter from ICEA as set out on pages 37 to 52 of the Circular.

     Having taken into account the information set out in the Letter from the
Board, and the principal factors, reasons and recommendations set out in the
letter from ICEA, we consider the New Comprehensive Agreement, the supplemental
agreement to the CRMSC Products and Services Agreement, the Proposed Caps in
respect of the Non-Exempt Continuing Connected Transactions and the Revised
Non-Exempt Annual Cap to be fair and reasonable from a financial point of view
insofar as the Independent Shareholders / the Shareholders (where applicable)
are concerned and believe that the New Comprehensive Agreement, the supplemental
agreement to the CRMSC Products and Services Agreement, the Proposed Caps in
respect of the Non-Exempt Continuing Connected Transactions and the Revised
Non-Exempt Annual Cap are in the interests of the Company and the Shareholders
as a whole. Accordingly, we recommend that the Independent Shareholders / the
Shareholders (where applicable) should vote in favour of the resolutions to be
proposed at the EGM to approve the New


                                    -- 35 --

--------------------------------------------------------------------------------
                  LETTER FROM THE INDEPENDENT BOARD COMMITTEE
--------------------------------------------------------------------------------

Comprehensive Agreement, the supplemental agreement to the CRMSC Products and
Services Agreement, the Proposed Caps in respect of the Non-Exempt Continuing
Connected Transactions and the Revised Non-Exempt Annual Cap.

                               Yours faithfully,


                                                          
     CHEE-CHEN TUNG                    LIU HONG RU                   FRANCO BERNABE
Independent Non-Executive       Independent Non-Executive       Independent Non-Executive
        Director                        Director                        Director




       LI YONGWU                                                       CUI JUNHUI
Independent Non-Executive                                       Independent Non-Executive
        Director                                                        Director


                                    -- 36 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

     The following is the text of the letter of advice to the Independent Board
Committee and the Independent Shareholders (or the Shareholders for CRMSC
Transactions and CRMSC Caps) from ICEA in relation to the Non-Exempt Continuing
Connected Transactions (including the relevant Proposed Caps) and the Revised
Non-Exempt Annual Caps for the purpose of incorporation in this circular.

(ICEA LOGO)

        ICEA CAPITAL LIMITED               (CHINESE CHARACTERS)
        26/F., ICBC Tower                  (CHINESE CHARACTERS)
        3 Garden Road, Central, Hong Kong  (CHINESE CHARACTERS)
        General Line:(852) 2231 8000       (CHINESE CHARACTERS):(852) 2231 8000
        General Fax:(852) 2525 0967        (CHINESE CHARACTERS):(852) 2525 0967


                                                                5 September 2008


To the Independent Board Committee and the independent shareholders of the
Company

Dear Sirs:

(1) RENEWAL OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2009 TO 2011

(2) REVISED CAPS OF CONTINUING CONNECTED TRANSACTIONS IN RESPECT OF 2008

     We refer to our engagement as the Independent Financial Adviser to advise
the Independent Board Committee and the Independent Shareholders (or the
Shareholders for approving the Non-Exempt Continuing Connected Transactions
(including the relevant Proposed Caps) under the CRMSC Products and Services
Agreement ("CRMSC Transactions and CRMSC Caps")) with respect to (i) the
Non-Exempt Continuing Connected Transactions (including the relevant Proposed
Caps); (ii) the Revised Non-Exempt Annual Caps; and (iii) the duration of the
Land Use Rights Leasing Contract, the Building Leasing Contract and the
Supplemental Building Leasing Agreement for longer than three years. Pursuant to
the HKEx Listing Rules, the Non-Exempt Continuing Connected Transactions and the
Revised Non-Exempt Annual Caps are subject to, among other things, the approval
of the Independent Shareholders (or the Shareholders for CRMSC Transactions and
CRMSC Caps) at the Extraordinary General Meeting of the Company. Details of the
Continuing Connected Transactions (including the Non-Exempt Continuing Connected
Transactions and the relevant Proposed Caps) and the Revised Non-Exempt Annual
Caps are summarized in the Company's circular to its Shareholders dated 5
September 2008 (the "Circular"). This letter has been prepared for inclusion in
the Circular and capitalised terms used in this letter shall have the same
meaning as defined in the Circular unless the context otherwise requires.

     At the extraordinary general meetings of the Company held on 8 November
2005 and 1 November 2006 respectively, the Independent Shareholders and/or
Shareholders (as the case maybe) approved the Continuing Connected Transactions
and the annual caps for the three years ending 31 December 2008 and the
subsequent revision of certain annual caps. Due to changes in the Company's
production and operational environment, the existing annual caps in respect of
2008 for the Relevant Categories may not be able to satisfy the Group's
requirements for the whole year. The Board therefore proposed the Revised
Non-Exempt Annual Caps for the year ending 31 December 2008. As the Group will
continue to carry out the Continuing Connected Transactions for the next three
years from 1 January 2009 to 31 December 2011 (including the Non-Exempt
Continuing Connected Transactions), the Directors also propose to seek the
Independent Shareholders (or the Shareholders for CRMSC Transactions and CRSMC
Caps) approval of the Non-Exempt Continuing Connected Transactions (including
the relevant Proposed Caps). The Independent Shareholders do not include CNPC
and its associates for approving Non-Exempt Continuing Connected Transactions
(including the relevant Proposed Caps) and the Revised Non-Exempt Annual Caps
under the Comprehensive Agreement. For approving CRMSC Transactions and CRMSC
Caps, the Shareholders include CNPC and its associates and exclude CRMSC and its
associates.

                                    -- 37 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

     Our opinion only applies to the Non-Exempt Continuing Connected
Transactions (including the relevant Proposed Caps) and the Revised Non-Exempt
Annual Caps. Other Continuing Connected Transactions which are not subject to
approval by the Independent Shareholders are not within the scope of our work.

     We, ICEA, have been retained as the Independent Financial Adviser to advise
the Independent Board Committee and the Independent Shareholders (or the
Shareholders for CRMSC Transactions and CRMSC Caps) as to whether the Non-Exempt
Continuing Connected Transactions are on normal commercial terms, in the
ordinary and usual course of business, and fair and reasonable so far as the
Independent Shareholders (or the Shareholders for CRMSC Transactions and CRMSC
Caps) are concerned and are in the interests of the Company and its Shareholders
as a whole, and whether the Proposed Caps in respect of the Non-Exempt
Continuing Connected Transactions and the Revised Non-Exempt Annual Caps are
reasonably determined. We are also engaged to advise why longer period of the
Land Use Rights Leasing Contract, the Building Leasing Contract and the
Supplemental Building Leasing Agreement is required and whether it is normal
business practice for contracts of this type to be such of such duration.

     In formulating our recommendation, we have relied, without assuming any
responsibility for independent verification, on the information, opinions and
facts supplied and representations made to us by the Directors and management of
the Company, who have assumed full responsibility for the accuracy of the
information contained in the Circular, and that any information and
representations made to us are true, accurate and complete in all material
respects as at the date hereof and that they may be relied upon. We have no
reason to doubt the truth, accuracy and completeness of the information and
representations provided to us by the Company. We have discussed with the
management of the Company regarding their plans and prospects of the Company. We
have also relied on certain information available to the public and have assumed
such information to be accurate and reliable, and we have not independently
verified the accuracy of such information. We have studied the relevant market
and other conditions and trends relevant to the pricing of the Continuing
Connected Transactions. We have also assumed that statements and representations
made or referred to in the Circular were accurate at the time they were made and
continue to be accurate at the date of the Circular.

     We consider that we have reviewed sufficient information to reach an
informed view in order to provide a reasonable basis for our advice. We have
not, however, carried out any independent verification of the information
provided to us nor have we conducted any form of independent in-depth
investigation into the business affairs or assets and liabilities of the
Company, CNPC or any of their respective subsidiaries or associated companies.
Additionally, we did not conduct any physical inspection of the properties or
facilities of the Company, CNPC, or any of their respective subsidiaries or
associated companies. It is not within our terms of engagement to comment on the
commercial feasibility of the Continuing Connected Transactions, which remains
the responsibility of the Directors. As the Independent Financial Adviser to the
Independent Board Committee and the Independent Shareholders (or the
Shareholders for CRMSC Transactions and CRMSC Caps), we have not been involved
in the negotiations in respect of the terms of the Continuing Connected
Transactions. Our opinion with regard to the terms thereof has been made on the
assumption that all obligations to be performed by each of the parties to the
Continuing Connected Transactions will be fully performed in accordance with the
terms thereof.

     Our opinion is necessarily based upon the financial, economic, market,
regulatory, and other conditions as they exist on, and the facts, information,
and opinions made available to us as of the date of this letter. We have no
obligation to update this opinion to take into account events occurring after
the date on which this opinion is delivered to the Independent Board Committee
and the Independent Shareholders (or the Shareholders for CRMSC Transactions and
CRMSC Caps). This letter is for the information of the Independent Board
Committee and the Independent Shareholders (or the Shareholders for CRMSC
Transactions and CRMSC Caps) solely in connection with their consideration of
the Continuing Connected Transactions and, except for its inclusion in the
Circular, is not to be quoted or referred to, in whole or in part, nor shall
this letter be used for any other purpose, without our prior written consent.

     ICEA is a licensed corporation to carry out regulated activities of dealing
in securities and advising on corporate finance under the SFO. ICEA and its
affiliates, whose ordinary business involves the trading of, dealing in and the
holding of securities, may be involved in the trading of, dealing in, and the
holding of the securities of the Company for client accounts.

                                    -- 38 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

PRINCIPAL FACTORS CONSIDERED

     In arriving at our opinion, we have taken into consideration the principal
factors and reasons set out below. In reaching our conclusion, we have
considered the results of the analyses in light of each other and ultimately
reached our opinion based on the results of all analyses taken as a whole.

(A) RENEWAL OF THE NON-EXEMPT CONTINUING CONNECTED TRANSACTIONS

1.   BACKGROUND AND NATURE OF THE NON-EXEMPT CONTINUING CONNECTED TRANSACTIONS

     COMPREHENSIVE AGREEMENT

     The Company and CNPC initially entered into the Comprehensive Agreement on
     10 March 2000 for the provision (1) by the Group to CNPC and (2) by CNPC to
     the Group, of a range of products and services which may be required and
     requested from time to time by either party and/or its subsidiary companies
     and relevant units (including their respective subsidiaries, branches and
     relevant units). The Comprehensive Agreement was amended by the First
     Supplemental Comprehensive Agreement on 9 June 2005 and the Second
     Supplemental Comprehensive Agreement on 1 September 2005. In order to
     comply with the requirements of the HKEx Listing Rules and the Shanghai
     Listing Rules, the Company and CNPC entered into the New Comprehensive
     Agreement on 27 August 2008, details of which are set out in the paragraph
     headed "New Comprehensive Agreement" set out in the "Letter from the Board"
     of this Circular. The New Comprehensive Agreement has incorporated the
     principal terms of the First Supplemental Agreement and the Second
     Supplemental Agreement.

     Details of the Non-Exempt Continuing Connected Transactions under the
     Comprehensive Agreement (as amended by the First Supplemental Comprehensive
     Agreement, the Second Supplemental Comprehensive Agreement and the New
     Comprehensive Agreement) are set out as follows:



            TRANSACTION                                        DESCRIPTION
            -------------------------------------------        --------------------------------------------------------------------
                                                      
     (1)    Products and services to be provided by the        Products and services including those relating to crude oil,
            Group to CNPC and the Jointly-held Entities        natural gas, refined oil products, chemical products, supply
                                                               of water, electricity, gas, heating, quantifying and measuring,
                                                               quality inspection, entrusted operation and management and
                                                               other related or similar products and services

     (2)    Construction and technical services to be          Construction and technical services including but not limited
            provided by CNPC to the Group                      to exploration technology service, downhole operation service,
                                                               oilfield construction service, oil refinery construction service,
                                                               engineering and design service, risk operation services and other
                                                               related or similar products and services

     (3)    Production services to be provided by CNPC to      Production services including but not limited to water supply,
            the Group                                          electricity generation and supply, gas supply, communications and
                                                               other related or similar products and services

     (4)    Financial services provided by the Group to the    Financial services including but not limited to entrustment loans
            Jointly-held Entities                              and guarantees


                                    -- 39 --

--------------------------------------------------------------------------------
                             LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

     CRMSC PRODUCTS AND SERVICES AGREEMENT

     Products and services to be provided by the Company to CRMSC under the
     CRMSC Products and Services Agreement include, among other things, refined
     products such as gasoline, diesel and other petroleum products. The term of
     the CRMSC Products and Services Agreement was initially 3 years commencing
     from 1 January 2006 and it was amended by the supplemental agreement dated
     27 August 2008 to extend for a further period of three years commencing
     from 1 January 2009 to 31 December 2011. Before November of each year,
     CRMSC is required to discuss and confirm with the Company an annual plan
     detailing the estimated demand for products and services to be rendered by
     the Company in the forthcoming year and that individual product and service
     implementation agreements will be entered into between the Company and
     CRMSC and their respective subsidiaries and units.

     We note that the products and service implementation agreements may be
     terminated from time to time by the parties to the product and service
     implementation agreements providing at least 6 months' written notice of
     termination in relation to any one or more categories of products and
     services.

2.   PRICING OF THE NON-EXEMPT CONTINUING CONNECTED TRANSACTIONS

     COMPREHENSIVE AGREEMENT

     The Comprehensive Agreement (as amended by the First Supplemental
     Comprehensive Agreement, the Second Supplemental Comprehensive Agreement
     and the New Comprehensive Agreement) details specific pricing principles
     for the products and services to be provided pursuant to the Comprehensive
     Agreement. If, for any reason, the specific pricing principle for a
     particular product or service ceases to be applicable, whether due to a
     change in circumstances or otherwise, such product or service must then be
     provided in accordance with the following general pricing principles:

     (a)  government-prescribed price (at present, this applies to products and
          services such as refined oil products, natural gas, oil refinery
          construction, engineering and design, project monitoring and
          management), the definition of "government-prescribed price" was
          amended by the First Supplemental Comprehensive Agreement to mean
          price in respect of certain category of services determined by the
          laws, regulations, decisions, orders or policies, etc. enacted by
          governments of the relevant countries or regions (including but not
          limited to the central government, federal government, provincial
          government, state or coalition government or any organisation
          responsible for domestic ruling and foreign affairs in respect to
          certain specified territory, irrespective of its name, organisation or
          structure) or other regulatory departments; or

     (b)  where there is no government-prescribed price, then according to the
          relevant market prices (at present, this applies to products and
          services such as asset leasing, repair of machinery, transportation,
          purchase of material, and regional facilities), the definition of
          "market price" was amended by the First Supplemental Comprehensive
          Agreement to mean the price determined in accordance with the
          following order:

          (i)  the price charged by independent third parties in areas where
               such type of service is provided and on normal terms in the area
               where the service is being provided at that time; or

          (ii) the price charged by independent third parties in nearby areas
               where such type of service is provided and on normal terms in the
               area or country adjacent to the area where the service is being
               provided at that time; or

     (c)  where neither (a) nor (b) is applicable, then according to:

          (i)  the actual cost incurred (at present, this applies to products
               and services such as library information and filing, maintenance
               of roads, retirement administration and reemployment training);
               or

                                    -- 40 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

          (ii) the agreed contractual price, being the actual cost for the
               provision of such product or service plus an additional margin of
               not more than:

               (1)  15 per cent. (which includes finance costs, general and
                    administrative expenses and a profit margin) for certain
                    construction and technical services (at present, this
                    applies to products and services such as geological
                    surveying, drilling, well cementing, logging, mud logging,
                    well testing and oilfield construction) provided that, such
                    agreed contractual price shall not be higher than the prices
                    available for the provision of such products and services in
                    the international market; and

               (2)  3 per cent. for all other types of products and services
                    priced in accordance with the agreed contractual price (at
                    present, this applies to products and services such as
                    downhole operations, technology research, equipment
                    repairing and supporting, equipment antiseptic testing,
                    communications, fire fighting, quality inspection, storage
                    of materials, delivery of materials and training centres).

     For (i) products and services to be provided by the Group to CNPC and
     Jointly-held Entities and (ii) production services to be provided by CNPC
     to the Group, we understand from the Company that the pricing of these
     products and services is mainly based on principle (a) or (b) mentioned
     above according to the Comprehensive Agreement. As for construction and
     technical services to be provided by CNPC to the Group, the pricing is
     mainly based on principle (a) or (c) mentioned above according to the
     Comprehensive Agreement. The Company advises that no more than 15%
     additional margin respective to the categories of products and services
     stated above is what they believe to be the norm in the PRC across relevant
     industries. Such margin has taken into account, among other things, the
     administrative expenses incurred for providing such products or services,
     as well as the profit margin required by comparable companies providing
     such services. We noted that the operating profit margin of the Group
     (being profit from operations divided by turnover of the Group) for 2005 to
     2007 were 34.8%, 28.7% and 23.9% respectively, which were higher than the
     15% additional margin to be charged by CNPC. In order to assess the
     fairness and reasonableness of the 15% margin set out in the pricing
     mechanism (c) above, we have identified all of the oilfield servicing
     companies listed on the New York Stock Exchange mainly engaged in
     exploration and development business with the total assets of each of them
     over US$5 billion at the end of 2007 and only three oilfield servicing
     companies listed on the Hong Kong Stock Exchange (the "Comparable
     Companies"). These companies are principally engaged in the provision of
     oil and gas services including drilling, evaluation, production and
     completion of oil and gas wells, and providing equipments and products for
     oilfield and gas services.

     The tables below illustrate the operating profit margins of the Comparable
     Companies for the three financial years ended 31 December 2005, 2006 and
     2007 respectively.

     Listed in the New York Stock Exchange



     NO.    NAME OF COMPARABLE COMPANIES                 2005     2006     2007
     ---    ----------------------------------------    ------   ------   ------
                                                              
      1     Schlumberger Ltd. ......................    19.30%   25.46%   27.79%
      2     National Oilwell Varco Inc. ............    10.95%   15.93%   20.88%
      3     Tenaris S.A. (ADS) .....................    31.34%   36.14%   29.45%
      4     Weatherford International Ltd. .........    15.33%   20.59%   20.74%
      5     Halliburton Co. ........................    20.43%   24.60%   22.58%
      6     Baker Hughes Inc. ......................    17.17%   21.43%   21.84%
      7     Exterran Holdings Inc. .................     9.46%   14.09%   13.74%
      8     Smith International Inc. ...............    12.02%   14.73%   15.63%
      9     Cameron International Corp. ............    10.40%   13.68%   15.79%
     10     Helix Energy Solutions Group Inc. ......    27.55%   28.96%   20.50%
     11     BJ Services Co. ........................    20.08%   26.85%   23.96%


Source: Factset

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     Listed in Hong Kong Stock Exchange



     NO.    NAME OF COMPARABLE COMPANIES                 2005     2006     2007
     ---    ----------------------------------------    ------   ------   ------
                                                              

      1     Jutal Offshore Oil Services Limited.....    18.14%   16.24%   16.28%
      2     Anton Oilfield Services Group...........    32.11%   34.35%   27.03%
      3     China Oilfield Services Limited.........    17.76%   21.87%   31.38%


     Source: 2007 annual report and prospectus of Jutal Offshore Oilfield
     Services Limited; 2007 annual report and prospectus of Anton Oilfield
     Services Group; 2006 and 2007 annual reports of China Oilfield Services
     Limited

     The operating profit margins of the Comparable Companies ranged from 9.46%
     to 36.14% for the three financial years ended 31 December 2005, 2006 and
     2007, and the pricing mechanism referred to (c) above lies within the
     range. As such, we are of the opinion that the 15% profit margin charged by
     CNPC to the Group to be fair and reasonable so far as the Independent
     Shareholders are concerned.

     For detailed description of the terms in relation to the Comprehensive
     Agreement (as amended by the First Supplemental Comprehensive Agreement,
     the Second Supplemental Comprehensive Agreement and the New Comprehensive
     Agreement), please refer to the "Letter from the Board" set out in this
     Circular. Based on the above, the priority is set from (a) to (c) such that
     the price mechanisms in (b) and (c) would only apply where the preceding
     price mechanism(s) are inapplicable. As (a) and (b) are based on the
     applicable government-prescribed prices and market prices, including the
     applicable local or national market prices, we are of the opinion that the
     above mechanism is fair and reasonable as far as the Independent
     Shareholders are concerned.

     We also noted that the rates of financial services provided under the
     Comprehensive Agreement (as amended by the First Supplemental Comprehensive
     Agreement, the Second Supplemental Comprehensive Agreement and the New
     Comprehensive Agreement) are determined in accordance with the relevant
     interest rates and the relevant fee rates for the same period published by
     the People's Bank of China or relevant financial industry regulatory
     authorities, and shall be more favourable than the interest rate, fee rate
     and other terms for the provision of funds and services for the same period
     offered by an independent third party to the Group. As the interest rates
     and fee rates of financial services are determined by reference to the
     guidelines of the People's Bank of China or relevant financial industry
     regulatory authorities, we are of the opinion that the pricing mechanism is
     fair and reasonable as far as the Independent Shareholders are concerned.

     CRMSC PRODUCTS AND SERVICES AGREEMENT

     The price of any product and service provided pursuant to the CRMSC
     Products and Services Agreement shall be determined with reference to the
     government-prescribed price or the market price where there is no
     government-prescribed price.

     Given the prices of the products and services are determined with reference
     to the government- prescribed prices and that the product and service
     implementation agreements could be terminated by the Group, we are of the
     opinion that the above mentioned pricing mechanism is fair and reasonable
     as far as the Shareholders as a whole are concerned.

3.   REASONS FOR AND BENEFITS OF THE NON-EXEMPT CONTINUING CONNECTED
     TRANSACTIONS

     As mentioned in the Circular, the Continuing Connected Transactions are and
     will be conducted in the ordinary and usual course of business of the
     Company and will continue to be agreed on an arm's length basis with terms
     that are fair and reasonable and in the interests of the Company and the
     Shareholders as a whole. Given that the Company has maintained long-term
     relationship with CNPC and CRMSC, it is

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     beneficial to the Company to continue to enter into the Non-Exempt
     Continuing Connected Transactions as they have facilitated and will
     facilitate the operation and growth of the Group's business. Also, the
     Non-Exempt Continuing Connected Transactions will be conducted on normal
     commercial terms or on terms no less favourable than those available to the
     Group from independent third parties, under prevailing local market
     conditions.

     We noted from the 2007 annual report of the Company that the auditors of
     the Company have reviewed the Non-Exempt Continuing Connected Transactions
     for the financial year 31 December 2007 (the "Prior Year Transactions") and
     confirmed that the Prior Year Transactions were conducted in the manner
     stated in Rule 14A.38 of the HKEx Listing Rules.

     In light of the aforesaid analysis and the review of the Prior Year
     Transactions by the auditors, we are of the view that the Non-Exempt
     Continuing Connected Transactions are being conducted on normal commercial
     terms.

4.   PROPOSED CAPS OF THE NON-EXEMPT CONTINUING CONNECTED TRANSACTIONS

     The Non-Exempt Continuing Connected Transactions are subject to the
     Proposed Caps whereby for each of the three financial years ending 31
     December 2009, 2010, 2011, the monetary value of the Non-Exempt Continuing
     Connected Transactions will not exceed the applicable annual amounts as
     stated in the "Letter from the Board" contained in the Circular.

     In assessing the fair and reasonableness of the Proposed Caps, we have
     discussed with the management of the Company the basis and underlying
     assumptions used in the determination of the Proposed Caps.

     Historical figures of the Non-Exempt Continuing Connected Transactions for
     the three years ended 31 December 2005, 2006 and 2007 and the six months
     ended 30 June 2008, the Revised Non-Exempt Annual Caps for 2008 (if
     applicable) and the Proposed Caps of the Non-Exempt Continuing Connected
     Transaction for each of the three years ending 2009, 2010 and 2011 are set
     out as follows:



                                                     HISTORICAL FIGURES                                     PROPOSED CAPS
                                            --------------------------------------                    --------------------------
                                                                         FOR THE
                                             FOR THE YEARS ENDED       SIX MONTHS     EXISTING OR       FOR THE YEARS ENDING
                                                 31 DECEMBER              ENDED         REVISED              31 DECEMBER
                                             2005     2006     2007   30 JUNE 2008   CAPS OF 2008      2009     2010      2011
                                            ------   ------   ------  ------------   -------------    ------   -------   -------
                                                        (RMB MILLION)                (RMB MILLION)           (RMB MILLION)
                                                                                             
     4.1  Products and services to
          be provided by the Group
          to CNPC and the Jointly-held
          Entities........................  19,823   27,714   40,730     22,186         71,289       96,324   156,440   167,981

     4.2  Construction and technical
          services to be provided by
          CNPC to the Group...............  64,662   82,741   97,257     42,588        165,578      242,967   256,937   215,526

     4.3  Production services to be
          provided by CNPC to the Group...  23,344   32,730   49,455     38,391         98,518       92,912   138,221   182,798

     4.4  Financial services to be
          provided by the Group to the
          Jointly-held Entities...........     N/A    1,515    2,138        353         44,465       23,582    36,484    51,839

     4.5  Products and services to be
          provided by the Group to
          CRMSC...........................     N/A   11,046   12,022      7,229         16,833       19,814    22,012    23,729


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4.1   PRODUCTS AND SERVICES TO BE PROVIDED BY THE GROUP TO CNPC AND THE
      JOINTLY-HELD ENTITIES

      The proposed annual caps for the products and services to be provided by
      the Group to CNPC and the Jointly-held Entities have been determined with
      reference to:

      a)    the historical transactions and transaction amounts in providing
            products and services by the Group to CNPC and the Jointly-held
            Entities;

      b)    the estimated business growth of the Group and CNPC;

      c)    the estimated business growth of the Jointly-held Entities;

      d)    the potential fluctuations and increases in the prices of crude oil,
            petrochemical products, natural gas and other oil products and
            services both in the international market and in the domestic
            market; and

      e)    the quantities of crude oil required (by the Group as decreed by the
            government).

      The increases in the proposed annual caps for products and services
      provided by the Group to CNPC and the Jointly-held Entities for the three
      years ending 31 December 2009, 2010 and 2011 are mainly due to the
      increases in sales of refined oil products, chemical products, and crude
      oil, as a result of (i) the anticipated high crude and refined oil prices
      in the next three years and (ii) the increase in the trading volumes
      between the Group and CNPC and the Jointly-held Entities upon
      China-Kazakhstan pipeline reaching its designed transportation capacity.

      In arriving at the proposed annual caps for products and services provided
      by the Group to CNPC and the Jointly-held Entities for the three years
      ending 31 December 2009, 2010 and 2011, the Group has estimated the future
      crude and refined oil prices based on the experience with reference to the
      historical crude and refined oil prices fluctuations and expected future
      prices fluctuation. We are given to understand that the Group estimated
      the international crude oil prices will remain at high level and will
      fluctuate between US$100 to US$120 per barrel in the coming three years.
      It is also anticipated that the PRC government will implement control on
      domestic refined oil prices and so the Group expects the price of refined
      oil will also increase slightly.

      According to the information obtained from Bloomberg, the closing prices
      of crude oil from 1 January 2007 to 31 July 2008 ranged from about US$50.5
      per barrel to US$145.3 per barrel. The prices of crude oil closed at above
      US$90 per barrel during most of the time during the first seven months
      ended 31 July 2008. According to the International Energy Outlook 2008
      presented by Energy Information Administration, Official Energy Statistics
      from the U.S. Government, they predict that the high world oil prices for
      2009, 2010 and 2011 will be approximately US$92.5, US$85.7 and US$89.7 per
      barrel respectively. Taking into account the historical crude oil prices
      fluctuation and the future world oil prices as estimated in the
      International Energy Outlook 2008, we consider that the Company using
      US$100 to US$120 per barrel to estimate the proposed annual caps for
      products and services provided by the Group to CNPC and the Jointly-held
      Entities is fair and reasonable.

      During the two years ended 31 December 2006 and 2007, the growth in
      products and services provided by the Group to CNPC and the Jointly-held
      Entities has increased annually by approximately 40% and 47% respectively.
      Based on the proposed annual caps for products and services provided by
      the Group to CNPC and the Jointly-held Entities for each of the three
      years ending 31 December 2009, 2010 and 2011 and the proposed revised cap
      for 2008, the products and services provided by the Group to CNPC and the
      Jointly-held Entities will grow annually by approximately 35%, 62% and 7%
      respectively. We understand from the Group that China-Kazakhstan pipeline,
      which is owned by CNPC, will reach its full transportation capacity within
      the second half of year 2009. Upon China-Kazakhstan pipeline reaching

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      its designed transportation capacity, the Group would be able to transport
      and sell more crude oil to CNPC. There is a significant growth in the
      proposed cap in 2010 as compared to 2009 because it is expected that
      China-Kazakhstan pipeline will be in full year operation. However, the
      proposed annual cap for 2011 only represents an increase of 7% as compared
      to the proposed annual cap of 2010 because China-Kazakhstan pipeline will
      be in full year operation both in 2010 and 2011.

      Given the dominant position of the Group in the petroleum and
      petrochemical industry in the PRC, and the increase in turnover and
      activities of CNPC and the Jointly-held Entities, the quantities and
      amounts of future transactions between the Group and CNPC and the
      Jointly-held Entities are expected to increase. The Directors are of the
      view that the Proposed Caps provide sufficient increment for the Group to
      capture the Group's future anticipated expansion plan. We are of the view
      that given the uncertainty in the world energy market, the escalating
      energy prices and business development of the Group, the Proposed Caps
      will provide a reasonable certainty of maintaining supply to CNPC and the
      Jointly-held Entities. We consider that the Proposed Caps for each of the
      three years ending 31 December 2009, 2010 and 2011 are fair and
      reasonable.

4.2   CONSTRUCTION AND TECHNICAL SERVICES TO BE PROVIDED BY CNPC TO THE GROUP

      The proposed annual caps for the provision of construction and technical
      services have been determined with reference to:

      a)    the previous transactions and transaction amounts for the
            construction and technical services provided by CNPC to the Group;

      b)    the estimated business growth of the Group; and

      c)    the increase in capital investment for pipelines construction and
            refinery projects during 2009-2011.

      The construction and technical services provided by CNPC to the Group
      include mainly exploration technology service, downhole operation service,
      oilfield construction service, oil refinery construction service,
      engineering and design service, risk operation services and other related
      or similar products and services. We understand from the management that
      the transaction amounts of construction and technical services are closely
      related to the capital expenditure incurred by the Group.

      Based on the information provided by the Group, the transaction amounts of
      construction and technical services provided by CNPC to the Group from
      2005 to 2007 accounted for approximately 52%, 56% and 54% of each
      corresponding year's total capital expenditure of the Group. The forecast
      amounts of construction and technical services to be provided by CNPC to
      the Group during 2009 to 2011 are expected to be approximately 64%, 63%
      and 63% of each corresponding year's capital expenditure budget of the
      Group. The major reasons leading to this significant increase in the
      proposed annual caps for the provision of construction and technical
      services are due to the increased investment on pipeline projects and
      refinery petrochemical projects during 2009 to 2011 after the
      establishment of Pipeline Construction Department and the enhanced
      competitiveness of CNPC owned construction department. However, there is a
      decrease in the capital expenditure as well as the proposed annual cap
      amount of 2011 as compared to the capital expenditure and proposed annual
      caps of 2009 and 2010 because it is expected that a significant portion of
      these pipeline and petrochemical projects will be completed in 2010.

      The Group has, from time to time, obtained construction and technical
      services from CNPC in the ordinary and usual course of business. CNPC has
      extensive experience in exploration and development of crude oil and
      natural gas projects in the world, offering a premier construction and
      technical services to the Group. CNPC is also one of the few companies in
      the PRC that provides premier petrochemical related construction and
      technical services. The services and terms offered by independent third
      parties are difficult to match the same quality services provided by CNPC.
      CNPC offers advantages including safety, reliability, technical expertise,
      understanding of existing facilities and experience in providing

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      construction and technical services, which enable CNPC to gain
      construction business from bidding with other firms.

      We have discussed with the management of the Group on the future capital
      expenditure plan and considered that the plan was prepared by the Group
      after due and careful enquiry. We are of the view that the proposed annual
      caps for the provision of construction and technical services provide
      sufficient increment for the Group to capture the Group's future
      anticipated expansion plan, and the proposed annual caps for the provision
      of construction and technical services are determined on a fair and
      reasonable basis.

4.3   PRODUCTION SERVICES TO BE PROVIDED BY CNPC TO THE GROUP

      The proposed annual caps for the production services provided by CNPC to
      the Group have been determined with reference to:

      a)    the previous transactions conducted and transaction amounts in
            respect of production services provided by CNPC to the Group;

      b)    the estimated business growth of the Group; and

      c)    the potential fluctuations and increases in the international and
            the PRC market prices of crude oil, petroleum and petrochemical
            products, leading to higher energy costs in the production process.

     The production services provided by CNPC to the Group mainly consist of
     water supply, electricity generation and supply, gas supply by CNPC to the
     Group and the supply of petroleum and petrochemical products by the
     Jointly-held Entities to the Group. Comparing the proposed annual cap for
     production services provided by CNPC to the Group for 2009 of RMB92,912
     million to the existing annual cap for the year ending 31 December 2008 of
     RMB98,518 million, it represents a slight decrease of 6%. For the six
     months ended 30 June 2008, the transactions amount of production services
     provided by CNPC to the Group amounted to approximately RMB38,391 million.
     As advised by the Company, the actual transaction amount for the year
     ending 31 December 2008 is expected to be less than the existing cap of
     2008 and hence the cap for the year ending 31 December 2009 is slightly
     adjusted downwards. The proposed annual caps for the production services
     provided by CNPC to the Group for 2010 to 2011 are expected to increase
     annually by 49% and 32% respectively.

     We understand from the Group that reasons for the increasing amount of
     production services provided by CNPC to the Group are primarily due to the
     increasing amount of imported crude oil and related transportation cost
     purchased from CNPC in the coming three years and increasing ship leasing
     services provided by CNPC to the Group. Also, CNPC is responsible for the
     national crude oil reserves of the PRC, such reserve needs to be updated by
     the Group annually in accordance with technical requirements and old crude
     oil of the reserve will be sold by CNPC to the Group for sale.

     We have discussed with the management of the Group on the future business
     plan and considered the plan was prepared by the Group after due and
     careful enquiry. Considering (i) the volatility and possible increase in
     the prices of crude oil, petroleum and petrochemical products in the
     international and the PRC market, leading to a higher energy costs during
     the production process; and (ii) modest and reasonable increasing rate, we
     are of the opinion that the proposed annual caps for the production
     services provided by CNPC to the Group are determined on a fair and
     reasonable basis, we are of the view that the Proposed Caps provide
     sufficient increment for the Group to capture the Group's future
     anticipated expansion plan, and the Proposed Caps are determined on a fair
     and reasonable basis.

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4.4   FINANCIAL SERVICES TO BE PROVIDED BY THE GROUP TO THE JOINTLY-HELD
      ENTITIES

      The proposed annual caps for the financial services to be provided by the
      Group to the Jointly-held Entities have been determined with reference to:

      a)    the business development and financing needs of the Jointly-held
            Entities; and

      b)    the acquisition opportunities which may arise from time to time in
            the international market.

      The Group's strategic objective is to become an international petroleum
      company with significant oil and gas assets both onshore and offshore as
      well as in both the PRC and international markets. Taking into
      consideration of tight global energy supply, we understand the top
      priority among PRC petroleum companies is to secure overseas energy
      reserves. The Group, being the largest petroleum company in the PRC, is
      prepared to secure good acquisition targets when the opportunity appears.
      As overseas acquisition is part of the growth strategy of the Jointly-held
      Entities, the Group is of the view that the provision of financial
      services to the Jointly-held Entities will enable them to have sufficient
      funding for future expansion to acquire premier energy reserves. The
      funding will be provided in the form of entrustment loans and/or loan
      guarantees.

      Also, due to the good reputation of the Group, it is capable to obtain
      better credit terms (including lower loan interest rate) comparing to its
      Jointly-held Entities, it is more efficient for the Group to raise funds
      externally on behalf of the Jointly-held Entities. We note that it is a
      common practice amongst PRC major state-owned companies to have financing
      services provided by the parent groups to the related companies. The
      Directors are of the view that the proposed annual caps for the financial
      services to be provided by the Group provide sufficient capacity for the
      Jointly-held Entities to capture the future anticipated expansion plan.

4.5   PRODUCTS AND SERVICES TO BE PROVIDED BY THE GROUP TO CRMSC

      The proposed annual caps for the products and services to be provided by
      the Group to CRMSC, amongst other things, gasoline, diesel, and other
      petroleum products, have been determined with reference to:

      a)    the relevant pricing principles, i.e., the government-prescribed
            prices;

      b)    the historical transaction levels for the same type of transaction;
            and

      c)    the estimated future transaction levels based on the market needs in
            the coming three years.

      We are advised by the Company that the proposed annual caps of the
      products and services to be provided by the Group to CRMSC are estimated
      mainly based on the fact that PetroChina & CRMSC Oil Marketing formulates
      the demand plan of petroleum products to the Group according to China's
      railway development planning, and the passenger and cargo transportation
      load. Based on the budget of CRMSC, the petroleum products demand for
      railway from 2009 to 2011 are expected to be approximately 3.06, 3.15 and
      3.2 million tons respectively. The proposed annual caps of the products
      and services to be provided by the Group to CRMSC are expected to increase
      by a compound annual growth rate of approximately 12% from the revised
      annual cap for 2008 to the proposed annual cap for 2011.

      Considering (i) the business growth of CRMSC; (ii) the fluctuation and
      potential upward shift in the petroleum products; and (iii) the modest
      annual compound growth rate of the transactions amount with CRMSC, we are
      of the view that Proposed Caps are reasonably determined.

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(B) LAND USE RIGHTS LEASING CONTRACT, BUILDING LEASING CONTRACT AND SUPPLEMENTAL
BUILDING LEASING AGREEMENT

1.   LAND USE RIGHTS LEASING CONTRACT

     The Company entered into the Land Use Rights Leasing Contract with CNPC on
     10 March 2000 under which CNPC has leased a total of 42,476 parcels of land
     in connection with and for the purpose of all aspects of the operations and
     business of the Group covering an aggregate area of approximately 1,145
     million square meters, located throughout the PRC, to the Company for a
     term of 50 years at an annual fee of RMB2,000 million. The total fee
     payable for the lease of all such property may, after the expiration of 10
     years from the date of the Land Use Rights Leasing Contract, be adjusted
     (to reflect market conditions prevalent at such time of adjustment,
     including current market prices, inflation or deflation, as appropriate,
     and such other pertinent factors as may be reasonably considered in
     negotiating and agreeing to any such adjustment) by agreement between the
     Company and CNPC. In addition, any governmental, legal or other
     administrative taxes and fees required to be paid in connection with the
     leased properties will be borne by CNPC. However, any additional amount of
     such taxes payable as a result of changes in the PRC Government policies
     after the date of the contract shall be shared proportionately on a
     reasonable basis between CNPC and the Company. Such additional taxes
     payable will be shared proportional to the land area occupied respectively
     by CNPC and the Company.

     Savills (Hong Kong) Limited ("Savills"), an independent valuer, has
     reviewed the Land Use Rights Leasing Contract and has confirmed that the
     term of 50 years and current rentals payable by the Company to CNPC are
     fair and reasonable to the Company and are in line with the market rentals.

     We have discussed with the management the rationale for the duration of the
     Land Use Rights Leasing Contract and we are given to understand that the
     relevant land leases are of material significance to the Group's operation.
     In this connection, the long lease term of 50 years is required so as to
     avoid the unnecessary disruption to the Company's business operations that
     would arise if the lease of the land is a short lease term. We also
     understand that certain assets (including buildings and premises) of the
     Company are located on the lands leased from CNPC, and the continued
     operation of such assets would depend on the Company's ability to occupy
     the relevant land. It is not cost effective to frequently move or relocate
     the assets (including properties) that are currently located on the land
     leased from CNPC. In addition, we note from the Company that 50 years lease
     term is currently the maximum tenure for industrial use that is allowed
     under the PRC laws and regulations. The Board believes that a 50 year
     tenure of the Land Use Rights Leasing Contract conforms with normal
     business practice in the PRC property market. For these reasons, the long
     term lease of land use rights is necessary for the Group's operation.

     We note in the Land Use Rights Leasing Contract that the Company has the
     right to terminate the contract, in whole or in part, with six months
     notice to CNPC. In this connection, we consider that the Group could
     terminate the contract if the Group is able to find other parcels of land
     at more favourable terms than CNPC or when the Group no longer needs such
     land. Based on the above reasons, the terms of the Land Use Rights Leasing
     Contract are fixed for a period exceeding three years. We are of the view
     that such long term land use rights leasing arrangement has commercial
     justification and is necessary for the Group to pursue its long term
     business development.

     We have searched publicly available information regarding the lease of land
     use rights which involves contracts with lease term of exceeding three
     years. We note from the circular of China Petroleum and Chemical
     Corporation ("Sinopec") dated 21 April 2006 that Sinopec entered into a
     land use rights leasing agreement with Sinopec Group Company and its
     subsidiaries (collectively known as "Sinopec Group") in June 2000 pursuant
     to which Sinopec agreed to lease certain land use rights from Sinopec
     Group. Regarding authorised land for operation owned by members of the
     Sinopec Group, land for industrial use are leased to Sinopec for a term of
     50 years and land for commercial use are leased to Sinopec for a term of 40
     years. Regarding land over which members of Sinopec Group have been

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     granted with land use rights with consideration, they are leased for a term
     up to the date of the expiry of the respective land use rights
     certificates.

     We also note from the announcement and circular of Aluminium Corporation of
     China Limited ("Chalco") dated 20 August 2007 and 26 November 2003
     respectively that Chalco had entered into a land use rights leasing
     agreement with Aluminium Corporation of China ("Chinalco") in November 2001
     regarding the lease of certain land use rights in the PRC by Chalco from
     Chinalco. The lease term for each piece of allocated land is 50 years and
     the lease term for each piece of land over which Chinalco has been granted
     land use rights is until the date of expiry of the relevant land use rights
     certificates.

     Based on the above, we consider that the term of the Land Use Rights
     Leasing Contract of 50 years is in line with the term of the land use
     rights lease agreements of Sinopec and Chalco and that the duration of the
     Land Use Rights Leasing Contract for such longer term is in line with
     normal business practice for contract of this type.

2.   BUILDINGS LEASING CONTRACT AND SUPPLEMENTAL BUILDINGS LEASING AGREEMENT

     The Company entered into the Buildings Leasing Contract with CNPC on 10
     March 2000 pursuant to which CNPC has leased to the Company a total of 191
     buildings covering an aggregate area of 269,770 square meters, located
     throughout the PRC for the use by the Company for its business operation
     including the exploration, development and production of crude oil, the
     refining of crude oil and petroleum products, the production and sale of
     chemicals, etc.

     The 191 buildings were leased at a price of RMB145 per square meter per
     year with an aggregate annual fee of RMB39,116,650 for a term of 20 years.
     The Company is responsible for the payment of any governmental, legal or
     others administrative taxes and maintenance charges required to be paid in
     connection with these 191 leased buildings.

     Members of CNPC which own one or more of the leased buildings will enter
     into individual building leasing contracts with the Company. The individual
     building leasing contracts may only contain provisions which are consistent
     with the terms and conditions of the Buildings Leasing Contract. According
     to the Company, such individual building leasing contracts were also leased
     at a price of RMB145 per square meter per year.

     One month prior to the end of each financial year, CNPC and the Company
     shall meet and agree upon a rental fee distribution plan setting out
     specific prices for the buildings according to their geographical locations
     and conditions.

     Further to the Buildings Leasing Contract mentioned above, the Company
     entered into a Supplemental Buildings Leasing Agreement with CNPC on 26
     September 2002 under which CNPC agreed to lease another 404 buildings to
     the Group in connection with and for the purpose of the operations and
     business of the Group covering an aggregate of approximately 442,730 square
     meters. Leasing of the units in the Supplemental Buildings Leasing
     Agreement is mainly attributable to the expansion of the Company's
     operations in the areas of oil and natural gas exploration, the West-East
     natural gas pipeline project and the construction of the Northeast
     refineries and chemical operation base. The annual fee payable under the
     Supplemental Buildings Leasing Agreement amounts to RMB157,439,540. The
     Company and CNPC will, based on their needs for production and operation or
     the changes of the market prices of the buildings, adjust the scale and the
     amount of all such buildings under the Buildings Leasing Contract as well
     as the Supplemental Buildings Leasing Agreement every three years. The
     Supplemental Buildings Leasing Agreement became effective on 1 January 2003
     and will expire at the same time as the Buildings Leasing Contract.

                                    -- 49 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

     Savills has reviewed both the Buildings Leasing Contract and Supplemental
     Buildings Leasing Agreement and has confirmed that the term of 20 years and
     current rentals payable by the Company to CNPC are fair and reasonable to
     the Company and in line with the market rentals.

     We have discussed with the management the rationale for the duration of the
     Buildings Leasing Contract and Supplemental Buildings Leasing Agreement and
     we are given to understand that the relevant buildings leases are of
     material significance to the Group's operation. In this connection, the
     long lease term of 20 years is required so as to avoid the unnecessary
     disruption to the Company's business operations that would arise if the
     lease of the buildings is a short lease term. We also understand that
     certain assets of the Company are located in the buildings leased from
     CNPC, and the continued operation of such assets would depend on the
     Company's ability to occupy the relevant buildings. It is not cost
     effective to frequently move or relocate the assets that are currently
     located on the buildings leased from CNPC. In addition, we note from the
     Company that 20 years lease term is currently the maximum tenure that is
     allowed for building lease under the relevant PRC laws and regulations. The
     Board believes that a 20 year tenure of the Buildings Leasing Contract and
     Supplemental Buildings Leasing Agreement conforms with normal business
     practice in the PRC property market. For these reasons, the long term lease
     of buildings is necessary to the Group's operation.

     We also note in the Building Leasing Contract and the Supplemental
     Buildings Leasing Agreement that the Company has the right to terminate the
     contract, in whole or in part, with six months notice to CNPC. In this
     connection, we consider that the Group could terminate the contract if the
     Group is able to find other buildings at more favourable terms than CNPC or
     when the Group no longer needs such buildings. Based on the above reasons,
     the terms of the Building Leasing Contract and the Supplemental Buildings
     Leasing Agreement are fixed for a period exceeding three years. We are of
     the view that such long term building lease arrangement has commercial
     justification and is necessary for the Group to pursue its long term
     business development.

     We have searched publicly available information regarding the lease of
     buildings which involves contracts with terms exceeding three years. We
     noted from the circular of China Petroleum and Chemical Corporation
     ("Sinopec") dated 21 April 2006 that Sinopec had entered into properties
     leasing agreement with Sinopec Group in June 2000 pursuant to which Sinopec
     agreed to lease certain buildings from Sinopec Group for a term of 20
     years.

     We also note from the circular of Chalco dated 26 November 2003 that Chalco
     had entered into a buildings leasing agreement with Chinalco in November
     2001 pursuant to which Chalco agreed to lease certain properties from
     Chinalco. The lease of properties is for a term of 20 years.

     Based on the above, we consider that the term of the Buildings Leasing
     Contract and Supplemental Buildings Leasing Agreement of 20 years is in
     line with the terms of the properties leasing agreements of Sinopec and
     Chalco and that the duration of the Buildings Leasing Contract and
     Supplemental Buildings Leasing Agreement for such longer term is in line
     with normal business practice for contract of this type.

(C) REVISED NON-EXEMPT ANNUAL CAPS FOR 2008

     The Company has closely monitored the performance of the Continuing
Connected Transactions. However, due to the surge in the international crude oil
prices in 2008, the increase in the volume of the refined products, estimated
increase in the level of exploration activities by the Group within the PRC, the
rise of exploration costs and the expansion of overseas exploration, and taking
into account the fact that, based on historical trends, the amount of
transactions of the Relevant Categories for the second half of each year often
accounts for more than two-thirds of the value for the full year, the Directors
consider that the existing annual caps in respect of 2008 for the Relevant
Categories, may possibly be insufficient for the Group's requirements for the
whole year. The Directors therefore propose that the existing annual caps for
the Relevant Categories in respect of 2008 be revised in order to cater for the
Group's demand for the year ending 31 December 2008.

                                    -- 50 --

--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

      Historical figures of the Continuing Connected Transactions of (1)
products and services provided by the Group to CNPC and the Jointly-held
Entities and (2) construction and technical services provided by CNPC to the
Group for three years ended 31 December 2005, 2006 and 2007 and the six months
ended 30 June 2008, the existing caps and the Revised Non-Exempt Annual Caps in
respect of 2008 are set out as follows:





                                                HISTORICAL FIGURES
                                             --------------------------
                                                 FOR THE YEARS ENDED            FOR THE
                                                     31 DECEMBER           SIX MONTHS ENDED    EXISTING CAPS      REVISED CAPS
                                              2005      2006      2007       30 JUNE 2008        OF 2008             OF 2008
                                             ------    ------    ------    ----------------    -------------     -------------
                                                     (RMB MILLION)          (RMB MILLION)    (RMB MILLION)       (RMB MILLION)
                                                                                               
1 Products and services provided
    by the Group to CNPC and the
    Jointly-held Entities....................19,823    27,714    40,730         22,186           50,129             71,289
2 Construction and technical
    services provided by CNPC to
    the Group................................64,662    82,741    97,257         42,588          105,661            165,578






1.    PRODUCTS AND SERVICES PROVIDED BY THE GROUP TO CNPC AND THE JOINTLY-HELD
      ENTITIES

      Under the Comprehensive Agreement, products and services to be provided by
      the Group to CNPC and Jointly-held Entities include those relating to
      crude oil, natural gas, refined oil products, chemical products, supply of
      water, electricity, gas, heating, quantifying and measuring, quality
      inspection and other products and services as may be requested by CNPC for
      its own consumption, use or sale from time to time.

      As mentioned in the "Letter of the Board" of the Circular, the basis of
      determination of the Revised Non-Exempt Annual Caps for products and
      services provided by the Group to CNPC and the Jointly-held Entities is
      due to the increase in the transaction volume and prices for both crude
      oil and refined products. In particular, there have been increases in both
      the import of crude oil reserve and export/import trading of crude oil
      (by the Group as decreed by the government) as well as the production of
      crude oil (by the Group as decreed by the government).

      As we noted, transaction amounts in 2006 and 2007 have been increased by
      approximately 40% and 47% as compared to its respective previous year's
      amount. The Revised Non-Exempt Annual Cap of the products and services to
      be provided by the Group to CNPC and the Jointly-held Entities increases
      to RMB71,289 million. We understand from the management of the Group that
      the reasons for revising of the existing cap of 2008 are mainly related to
      the increased transaction amount of trading of crude oil between China
      United Oil (a subsidiary of CNPC) after the Group disposed its interest in
      China United Oil to CNPC in 2007; the increasing amount of crude oil
      reserve provided by the Group to CNPC; the paying of agent service fee to
      CNPC for purchasing construction materials in 2008; and the increasing
      supply of products sold to CNPC following the acquisition of Qinghai
      Oilfield.

      Based on the information provided by the Group, we noticed that (i) the
      amount of transactions for the second half of each year often accounts for
      more than two-thirds of the value for the full year (ii) the fluctuation
      in the petroleum products; (iii) the surge of international energy price;
      (iv) business growth of the Group in the second half year of 2008, we are
      of the view that the Revised Non-Exempt Annual Cap for products and
      services provided by the Group to CNPC and the Jointly-held Entities is
      fair and reasonable.

2.    CONSTRUCTION AND TECHNICAL SERVICES PROVIDED BY CNPC TO THE GROUP

      Under the Comprehensive Agreements, construction and technical services
      provided by CNPC to the Group include exploration technology service,
      downhole operation service, oilfield construction service, oil refinery
      construction service, engineering and design service and risk operation
      services.


                                    -- 51 --



--------------------------------------------------------------------------------
                        LETTER FROM ICEA CAPITAL LIMITED
--------------------------------------------------------------------------------

      The Revised Non-Exempt Annual Cap of the construction and technical
      services to be provided by CNPC to the Group has been determined with
      reference to the volume of crude oil gas deployed in the two-dimensional
      seismic, three-dimensional seismic, drilling and risk operations have
      increased continuously following the commencement of a number of pipeline
      construction projects and refining construction projects. Also, the
      materials deployed from CNPC increased.

      As we noted, transaction amounts in 2006 and 2007 have been increased by
      approximately 28% and 18% as compared to its respective previous year's
      amount. The Revised Non-Exempt Annual Cap of the construction and
      technical services provided by CNPC to the Group is increased to
      RMB165,578 million. We understand from the management of the Group that
      the reasons for revising of the existing cap of 2008 are mainly related to
      the increased exploration activities related to Daqing Oilfield, Changqing
      Oilfield and other oilfields of the Group. Also, the exploration cost has
      increased resulting from inflation. Following the commencement of a number
      of pipeline construction projects in 2008, the materials consumed for
      projects increased.


      Based on the information provided by the Group, we noted that (i) the
      increasing cost on exploration activities; (ii) the estimated business
      growth of the Group in the second half year of 2008, we are of the view
      that the Revised Non-Exempt Annual Cap for construction and technical
      services provided by CNPC to the Group is fair and reasonable.


RECOMMENDATION


      Having considered the above principal factors and reasons, we consider
that (i) the Non-Exempt Continuing Connected Transactions will be carried out in
the ordinary and usual course of business of the Group and on normal commercial
terms; (ii) the Revised Non-Exempt Annual Caps and the Proposed Caps of the
Non-Exempt Continuing Connected Transactions are reasonably determined; (iii)
the terms of the Non-Exempt Continuing Connected Transactions are fair and
reasonable so far as the Independent Shareholders (or the Shareholders for CRMSC
Transactions and CRMSC Caps) are concerned; (iv) the revision of the Revised
Non-Exempt Annual Caps and the entering into the Non-Exempt Continuing Connected
Transactions are in the interest of the Company and the Independent Shareholders
(or the Shareholders for CRMSC Transactions and CRMSC Caps) of the Company as a
whole.


      Given that (i) long term lease for land use rights and buildings would
minimise any potential disruption to the Company's business operations arising
from the expiry of a short lease term; and (ii) it is not cost effective to
frequently move or relocate the assets that currently are located on the land
use rights and/or buildings leased from CNPC, we are of the view that it is
necessary from a commercial point of view for the Land Use Rights Leasing
Contract, the Buildings Leasing Contract and the Supplemental Buildings Leasing
Agreement to be of a longer period than three years. Based on our research
regarding other land use rights and buildings leases, we consider that it is
normal business practice for agreements of a similar nature to the Land Use
Rights Leasing Contract, the Buildings Leasing Contract and the Supplemental
Buildings Leasing Agreement to be of such duration.


      Accordingly, we advise the Independent Board Committee to recommend the
Independent Shareholders (or the Shareholders for CRMSC Transactions and CRMSC
Caps) to vote in favor of ordinary resolutions as detailed in the notice of the
Extraordinary General Meeting set out at the end of the Circular.


                                                Yours faithfully,
                                              For and on behalf of
                                              ICEA CAPITAL LIMITED
                                                   FABIAN SHIN
                                                Managing Director

                                    -- 52 --




--------------------------------------------------------------------------------
APPENDIX I                                                   GENERAL INFORMATION
--------------------------------------------------------------------------------

1.    RESPONSIBILITY STATEMENT

      This circular includes particulars given in compliance with the Hong Kong
      Listing Rules for the purpose of giving information with regard to the
      Company. The Directors collectively and individually accept full
      responsibility for the accuracy and completeness of the information
      contained in this circular and confirm, having made all reasonable
      enquiries, that to the best of their knowledge and belief, there are no
      other facts the omission of which would make any statement herein
      misleading.

2.    DISCLOSURE OF INTERESTS AND CONFIRMATIONS

      As at the Latest Practicable Date, the following Directors, supervisors or
      chief executives of the Company had an interest and short positions in the
      shares, underlying shares and debentures of the Company or an associated
      corporation:





                                                                            PERCENTAGE
                                                                            (%) OF THE         PERCENTAGE
                                                                           TOTAL NUMBER       (%) OF THE
                                             TYPES OF                    OF THAT CLASS IN     TOTAL SHARE
      NAME                       POSITION     SHARES    NO. OF SHARES         ISSUE             CAPITAL
      ----                      ----------   --------   -------------    ----------------     -----------
                                                                               
      Yu Yibo ..................Supervisor   A Shares          56,500         0.000034         0.000031
      Wang Shali ...............Supervisor   A Shares           7,000         0.000004         0.000013
                                             H Shares          18,000         0.000085


As at the Latest Practicable Date:

      (a)   save as disclosed above, none of the Directors, supervisors or chief
            executives of the Company had any interest and short positions in
            the shares, underlying shares and debentures of the Company or any
            associated corporation (within the meaning of Part XV of the SFO,
            which are required to be notified to the Company and the Stock
            Exchange pursuant to Divisions 7 and 8 of Part XV of the SFO
            (including interests and short positions which he is taken or deemed
            to have under such provision of the SFO); or are required pursuant
            to section 352 of the SFO to be entered in the register referred to
            therein, or as otherwise notified to the Company and the Stock
            Exchange pursuant to the Model Code for Securities Transactions by
            Directors of Listed Companies;

      (b)   the Company has not granted its Directors, chief executive or their
            respective spouses or children below 18 any rights to subscribe for
            its equity securities or debt securities;

      (c)   apart from Mr Jiang Jiemin (Chairman), Mr Zhou Jiping (Deputy
            Chairman), Mr Wang Yilin, Mr Zeng Yukang, Mr Wang Fusheng, Mr Li
            Xinhua, Mr Liao Yongyuan and Mr Wang Guoliang, who are deemed by the
            Shanghai Listing Rules as connected directors of the Company by
            virtue of their positions in CNPC who abstained from voting at the
            board meeting held on 26 and 27 August 2008 in respect of the
            Continuing Connected Transactions in relation to CNPC, none of the
            Directors was materially interested in any contract or arrangement
            entered into by any member of the Group since 31 December 2007,
            being the date to which the latest published audited financial
            statements of the Company were made up, and which was subsisting as
            at the Latest Practicable Date and significant in relation to the
            business of the Group;

      (d)   none of the Directors had any direct or indirect interest in any
            assets which have been since 31 December 2007, being the date to
            which the latest published audited annual financial statements of
            the Company were made up, acquired or disposed of by or leased to
            any member of the Group, or are proposed to be acquired or disposed
            of by or leased to any member of the Group;

      (e)   none of the Directors or, so far as is known to them, any of their
            respective associates was interested in any business (apart from the
            Group's business) which competes or is likely to compete either
            directly or indirectly with the Group's business (as would be
            required to be disclosed under Rule 8.10 of the Hong Kong Listing
            Rules if each of them were a controlling shareholder);


                                    -- 53 --



--------------------------------------------------------------------------------
APPENDIX I                                                   GENERAL INFORMATION
--------------------------------------------------------------------------------

      (f)   the Directors are not aware of any material adverse change in the
            financial or trading positions of the Company since 31 December
            2007, the date to which the latest published audited annual
            financial statements of the Company were made up; and

      (g)   none of the Directors had entered into any service contract with the
            Company or any member of the Group (excluding contracts expiring or
            determinable by the employer within one year without payment of
            compensation (other than statutory compensation)).

3.    SUBSTANTIAL SHAREHOLDERS

      Save as disclosed in this circular, as at the Latest Practicable Date, as
far as is known to the Directors and the chief executive of the Company, the
following persons have an interest or short position in the shares or underlying
shares of the Company which would fall to be disclosed to the Company under
Divisions 2 and 3 of Part XV of the SFO or who are directly or indirectly
interested in 10% or more of the nominal value of any class of share capital
carrying rights to vote in all circumstances at general meetings:




                                                                                     PERCENTAGE OF SUCH
                                                                                     SHARES IN THE SAME
                                                                                     CLASS OF THE ISSUED     PERCENTAGE OF TOTAL
NAME OF SHAREHOLDER   TYPE OF SHARE    NUMBER OF SHARES         CAPACITY              SHARE CAPITAL (%)        SHARE CAPITAL (%)
-------------------   -------------    ---------------      --------------------     -------------------     -------------------
                                                                                              
CNPC.................    A Share       157,922,077,818(L)   Beneficial Owner                       97.53                   86.29
Deutsche Bank
  Aktiengesellschaft
  (Note 1)...........    H Share         1,303,488,060(L)   Beneficial Owner/                       6.18                    0.71
                                                            Investment Manager/
                                                            Persons having a
                                                            security interest in
                                                            shares
                         H Share           731,451,830(S)   Beneficial Owner/                       3.47                    0.40
                                                            Investment Manager/
                                                            Persons having a
                                                            security interest in
                                                            shares




(L) Long position
(S) Short position

Note 1: Deutsche Bank Aktiengesellschaft, through various subsidiaries, has an
interest in 1,303,488,060 H shares of the Company.

      Save as disclosed above, the Directors and chief executive of the Company
are not aware that there is any party who, as at the Latest Practicable Date,
had an interest or a short position in the shares and underlying shares which
would fall to be disclosed to the Company under the provisions of Divisions 2
and 3 of Part XV of the SFO or who are directly or indirectly interested in 10%
or more of the nominal value of any class of share capital carrying rights to
vote in all circumstances at general meetings.

4. EXPERTS' QUALIFICATIONS AND CONSENTS

      The followings are the qualifications of the experts who have given
opinions or advice which are contained in this circular:




   NAMES                                                 QUALIFICATIONS
   -----                                                 -----------------------------------------------------
                                                      
   ICEA Capital Limited                                  a licensed corporation under the transitional
                                                         arrangement to conduct Type 1 (dealing in securities)
                                                         and Type 6 (advising on corporate finance) regulated
                                                         activities under the SFO

   Savills (Hong Kong) Limited                           a member of The Hong Kong Institute of Surveyors



                                    -- 54 --



--------------------------------------------------------------------------------
APPENDIX I                                                   GENERAL INFORMATION
--------------------------------------------------------------------------------

      (a)   Each of ICEA and Savills (Hong Kong) Limited is not beneficially
            interested in the share capital of any member of the Group and none
            of them has any right, whether legally enforceable or not, to
            subscribe for or to nominate persons to subscribe for securities in
            any member of the Group.

      (b)   Each of ICEA and Savills (Hong Kong) Limited has given and has not
            withdrawn its written consent to the issue of this circular with
            inclusion of its opinions and letters, as the case may be, and the
            reference to its name included herein in the form and context in
            which they respectively appear.

      (c)   As at the Latest Practicable Date, each of ICEA and Savills (Hong
            Kong) Limited did not have any interest in any assets which have
            been, since 31 December 2007 (being the date to which the latest
            published audited annual accounts of the Company were made up),
            acquired or disposed of by or leased to any member of the Group, or
            are proposed to be acquired or disposed of by or leased to any
            member of the Group.

5. GENERAL

      (a)   The secretary to the Board is Mr. Li Huaiqi.

      (b)   The registered office of the Company is at 16 Andelu, Dongcheng
            District, Beijing, 100011, the PRC.

      (c)   The principal share register and transfer office for the H Shares is
            Hong Kong Registrars Limited, Room 1901--5, 19th Floor, Hopewell
            Centre, 183 Queen's Road East, Hong Kong.

      (d)   In the event of inconsistency, the English language text of this
            circular shall prevail over the Chinese language text.

6.    DOCUMENTS AVAILABLE FOR INSPECTION

      Copies of the following documents will be available for inspection during
normal business hours at the offices of Clifford Chance at 28th Floor, Jardine
House, Central, Hong Kong from the date of this circular up to and including 19
September 2008:

      (a)   the agreements mentioned in this circular;

      (b)   the letter of recommendation from the Independent Board Committee,
            the text of which is set out on pages 35 to 36 of this circular;

      (c)   the letter issued by the ICEA, the text of which is set out on pages
            37 to 52 of this circular;

      (d)   the letter issued by Savills (Hong Kong) Limited in respect of
            rental of land and buildings of CNPC by the Group; and

      (e)   the written consents of ICEA and Savills (Hong Kong) Limited
            referred to paragraph 4 of this Appendix.

                                    -- 55 --



--------------------------------------------------------------------------------
                     NOTICE OF EXTRAORDINARY GENERAL MEETING
--------------------------------------------------------------------------------

                        (PETROCHINA COMPANY LIMITED LOGO)

                 (a joint stock limited company incorporated in
             the People's Republic of China with limited liability)


               (STOCK CODE IN THE HONG KONG STOCK EXCHANGE: 00857)


      NOTICE IS HEREBY GIVEN that the second extraordinary general meeting of
the shareholders of PetroChina Company Limited (the "Company") of 2008 will be
held at Crowne Plaza Beijing Park View Wuzhou Hotel, No. 8 North Si Huan Zhong
Road, Chaoyang District, Beijing, PRC on 21 October 2008 (Tuesday) at 9:00 a.m.
for the purpose of considering and, if deemed appropriate, passing, with or
without modification, the following resolutions as ordinary resolutions:

                              ORDINARY RESOLUTIONS


1.    "THAT, as set out in the circular dated 5 September 2008 issued by the
      Company to its shareholders (the "Circular"):

      (a)   the New Comprehensive Agreement entered into between the Company and
            China National Petroleum Corporation be and is hereby approved,
            ratified and confirmed;

      (b)   the Non-Exempt Continuing Connected Transactions and the Proposed
            Caps of the Non-Exempt Continuing Connected Transactions under the
            New Comprehensive Agreement and the Revised Non- Exempt Annual Caps,
            which the Company expects to occur in the ordinary and usual course
            of business of the Company and its subsidiaries, as the case may be,
            and to be conducted on normal commercial terms, be and are hereby
            generally and unconditionally approved; and

      (c)   the execution of the New Comprehensive Agreement by Mr. Zhou
            Mingchun, Chief Financial Officer for and on behalf of the Company
            be and is hereby approved, ratified and confirmed and that Mr. Zhou
            Mingchun be and is hereby authorised to make any amendment to the
            New Comprehensive Agreement as he thinks desirable and necessary and
            to do all such further acts and things and execute such further
            documents and take all such steps which in his opinion may be
            necessary, desirable or expedient to implement and/or give effect to
            the terms of such transactions."

2.    "THAT, as set out in the Circular:


      (a)   the supplemental agreement to the CRMSC Products and Services
            Agreement between the Company and China Railway Materials and
            Suppliers Corporation (as attached to the resolution) be and is
            hereby approved, ratified and confirmed;

      (b)   the Non-Exempt Continuing Connected Transactions under, and the
            Proposed Caps in respect of, the supplemental agreement to the CRMSC
            Products and Services Agreement which the Company expects to occur
            in the ordinary and usual course of business of the Company and its
            subsidiaries, as the case may be, and to be conducted on normal
            commercial terms, be and are hereby generally and unconditionally
            approved; and


                                    -- 56 --



--------------------------------------------------------------------------------
                     NOTICE OF EXTRAORDINARY GENERAL MEETING
--------------------------------------------------------------------------------

      (c)   the execution of the CRMSC Products and Services Agreement by Mr.
            Zhou Mingchun, Chief Financial Officer for and on behalf of the
            Company be and is hereby approved, ratified and confirmed and that
            Mr. Zhou Mingchun, be and is hereby authorised to make any amendment
            to the CRMSC Products and Services Agreement as he thinks desirable
            and necessary and to do all such further acts and things and execute
            such further documents and take all such steps which in his opinion
            may be necessary, desirable or expedient to implement and/or give
            effect to the terms of such transactions."

                                                      By Order of the Board
                                                   PETROCHINA COMPANY LIMITED
                                                           LI HUAIQI
                                                     Secretary to the Board

Beijing, 5 September 2008

NOTES:

1.    Holders of H shares and holders of A Shares whose names are registered in
      the register of members of the Company at the close of business on Friday,
      10 October 2008 are entitled to attend and vote at the Extraordinary
      General Meeting. Persons holding the Company's H shares should note that
      the register of members of the Company's H shares will be closed from
      Saturday, 20 September 2008 to Tuesday, 21 October 2008, both days
      inclusive, during which period no transfer of H Shares will be effected.

2.    Shareholders who intend to attend the Extraordinary General Meeting are
      required to send the reply slip to the Secretariat of the Board of the
      Company by Tuesday, 30 September 2008. Please refer to the form of reply
      slip for details.

3.    Any shareholder entitled to vote at the Extraordinary General Meeting is
      entitled to appoint one (1) or more proxies to attend and vote on his
      behalf. A proxy need not be a shareholder of the Company. Shareholders
      must appoint a proxy in writing. Such instrument should be signed by the
      person appointing the proxy or by such person's authorised representative.
      If the form of proxy is signed by another person so authorised by the
      shareholder, the power of attorney or other authorising document must be
      certified by a notary. The notarially certified power of attorney or other
      authorising document together with the proxy form must be returned to the
      Secretariat of the Board of the Company not later than 24 hours prior to
      the commencement of the Extraordinary General Meeting. The completion and
      deposit of a form of proxy will not preclude any shareholder from
      attending and voting at the Extraordinary General Meeting.

4.    Each shareholder (or his/her proxy) shall be entitled to one vote for each
      share held. If a shareholder has appointed more than one proxy to attend
      the meeting, the voting rights can only be exercised by way of poll.

Address of Secretariat of the Board of the Company:


Secretariat of Board of Directors of PetroChina Company Limited
Room 1521, World Tower, 16 Andelu, Dongcheng District
Beijing, 100011, PRC
Tel: 8610-8488 6270
Fax: 8610-8488 6260





                                    -- 57 --