p12-0211sc13ga.htm

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
SCHEDULE 13G/A
 
 
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
 
Accretive Health, Inc.
(Name of Issuer)
 
Common Stock, $0.01 par value
(Title of Class of Securities)
 
00438V103
(CUSIP Number)
 
December 31, 2011
(Date of event which requires filing of this statement)
 
 
Check the appropriate box to designate the rule pursuant to which this Schedule 13G/A is filed:
 
¨
     Rule 13d-1(b)
x
    Rule 13d-1(c)
¨
    Rule 13d-1(d)
 
(Page 1 of 19 Pages)

______________________________
*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
 
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
 

 
 
 
CUSIP No.  00438V103
 
13G/A
Page 2 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Spruce, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
117,280
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
117,280
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
117,280
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.1%
12
TYPE OF REPORTING PERSON**
PN


 
 
 
CUSIP No.  00438V103
 
13G/A
Page  3 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Balsam, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
257,372
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
257,372
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
257,372
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.3%
12
TYPE OF REPORTING PERSON**
PN



 
 
 
CUSIP No.  00438V103
 
13G/A
Page  4 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Sequoia, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
215,063
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
215,063
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
215,063
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.2%
12
TYPE OF REPORTING PERSON**
PN


 
 
 
CUSIP No.  00438V103
 
13G/A
Page  5  of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Cascade, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
3,781,311
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
3,781,311
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,781,311
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.9%
12
TYPE OF REPORTING PERSON**
PN


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 6 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Sierra, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
178,322
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
178,322
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
178,322
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.2%
12
TYPE OF REPORTING PERSON**
PN


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 7 of  19  Pages


 
     
1
NAMES OF REPORTING PERSONS
Lone Pine Associates LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
589,715
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
589,715
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
589,715
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.6%
12
TYPE OF REPORTING PERSON**
OO


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 8  of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Pine Members LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
3,959,633
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
3,959,633
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,959,633
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.0%
12
TYPE OF REPORTING PERSON**
OO



 
 
 
CUSIP No.  00438V103
 
13G/A
Page  9 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Pine Capital LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
4,508,918
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
4,508,918
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,508,918
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.6%
12
TYPE OF REPORTING PERSON**
IA



 
 
 
CUSIP No.  00438V103
 
13G/A
Page  10 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Lone Pine Managing Member LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
9,058,266
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
9,058,266
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9,058,266
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
12
TYPE OF REPORTING PERSON**
OO



 
 
 
CUSIP No.  00438V103
 
13G/A
Page  11 of  19  Pages



     
1
NAMES OF REPORTING PERSONS
Stephen F. Mandel, Jr.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP**
(a) ¨
(b) x
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
SOLE VOTING POWER
-0-
6
SHARED VOTING POWER
9,058,266
7
SOLE DISPOSITIVE POWER
-0-
8
SHARED DISPOSITIVE POWER
9,058,266
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9,058,266
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES**
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
12
TYPE OF REPORTING PERSON**
IN



 
 
 
CUSIP No.  00438V103
 
13G/A
Page  12 of  19  Pages



This Amendment No. 1 (this "Amendment") amends the statement on Schedule 13G filed on August 15, 2011 (the "Original Schedule 13G" and the Original Schedule 13G as amended, the "Schedule 13G"), with respect to shares of common stock, par value $0.01 (the "Common Stock"), of Accretive Health, Inc. (the "Issuer"). Capitalized terms used herein and not otherwise defined in this Amendment have the meanings set forth in the Schedule 13G.

Item 1 (a).
NAME OF ISSUER:
   
 
Accretive Health, Inc.

Item 1(b).
ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES:
   
 
401 North Michigan Avenue, Suite 2700, Chicago, IL 60611

Item 2 (a).
NAME OF PERSON FILING:

 
This statement is filed by:
   
 
(i)
Lone Spruce, L.P., a Delaware limited partnership ("Lone Spruce"), with respect to the Common Stock directly owned by it;
   
 
(ii)
Lone Balsam, L.P., a Delaware limited partnership ("Lone Balsam"), with respect to the Common Stock directly owned by it;
     
 
(iii)
Lone Sequoia, L.P., a Delaware limited partnership ("Lone Sequoia"), with respect to the Common Stock directly owned by it;
     
 
(iv)
Lone Cascade, L.P., a Delaware limited partnership ("Lone Cascade"), with respect to the Common Stock directly owned by it;
     
 
(v)
Lone Sierra, L.P., a Delaware limited partnership ("Lone Sierra"), with respect to the Common Stock directly owned by it;
     
 
(vi)
Lone Pine Associates LLC, a Delaware limited liability company ("Lone Pine Associates"), with respect to the Common Stock directly owned by Lone Spruce, Lone Balsam and Lone Sequoia;
     
 
(vii)
Lone Pine Members LLC, a Delaware limited liability company ("Lone Pine Members"), with respect to the Common Stock directly owned by Lone Cascade and Lone Sierra;
     
 
(viii)
Lone Pine Capital LLC, a Delaware limited liability company ("Lone Pine Capital"), which serves as investment manager to Lone Cypress, Ltd. ("Lone Cypress"), Lone Kauri, Ltd. ("Lone Kauri") and Lone Monterey Master Fund, Ltd. ("Lone Monterey Master Fund"), each a Cayman Islands exempted company, with respect to the Common Stock directly owned by each of Lone Cypress, Lone Kauri and Lone Monterey Master Fund;
     
 
(ix)
Lone Pine Managing Member LLC, a Delaware limited liability company ("Lone Pine Managing Member"), with respect to the Common Stock directly owned by each of Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade, Lone Sierra, Lone Cypress, Lone Kauri and Lone Monterey Master Fund; and
     
 
(x)
Stephen F. Mandel, Jr. ("Mr. Mandel"), with respect to the Common Stock directly owned by each of Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade, Lone Sierra, Lone Cypress, Lone Kauri and Lone Monterey Master Fund.
   
 
The foregoing persons are hereinafter sometimes collectively referred to as the “Reporting Persons.”  Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.
 
 
 
 
 
 
CUSIP No.  00438V103
 
13G/A
Page  13 of  19  Pages

 
 
Item 2(b).
ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

 
The address of the business office of each of the Reporting Persons is Two Greenwich Plaza, Greenwich, Connecticut 06830.

Item 2(c).
CITIZENSHIP:

 
Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade and Lone Sierra are limited partnerships organized under the laws of the State of Delaware.  Lone Pine Associates, Lone Pine Members, Lone Pine Capital and Lone Pine Managing Member are limited liability companies organized under the laws of the State of Delaware.  Mr. Mandel is a United States citizen.

Item 2(d).
TITLE OF CLASS OF SECURITIES:
   
 
Common Stock, $0.01 par value per share.
 
Item 2(e).
CUSIP NUMBER:
   
 
00438V103


 
 
 
CUSIP No.  00438V103
 
13G/A
Page  14 of  19  Pages



Item 3.
IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

 
(a)
¨
Broker or dealer registered under Section 15 of the Act,
 
(b)
¨
Bank as defined in Section 3(a)(6) of the Act,
 
(c)
¨
Insurance Company as defined in Section 3(a)(19) of the Act,
 
(d)
¨
Investment Company registered under Section 8 of the Investment Company Act of 1940,
 
(e)
¨
Investment Adviser  in accordance with Rule 13d-1(b)(1)(ii)(E),
 
(f)
¨
Employee Benefit Plan or Endowment Fund in accordance with Rule 13d-1(b)(1)(ii)(F),
 
(g)
¨
Parent Holding Company or control person in accordance with Rule 13d-1(b)(1)(ii)(G),
 
(h)
¨
Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act,
 
(i)
¨
Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940,
 
(j)
¨
Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

 
If this statement is filed pursuant to Rule 13d-1(c), check this box:  x

Item 4.
OWNERSHIP.

 
A.
Lone Spruce, L.P.
     
(a)
Amount beneficially owned:  117,280
     
(b)
Percent of class:  0.1%.  The percentages used herein and in the rest of Item 4 are calculated based upon the Issuer’s Form 10-Q for the quarter ended September 30, 2011 filed on November 10, 2011 which states that as of November 1, 2011 there were 98,214,051 shares of Common Stock issued and outstanding.
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  117,280
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition of:  117,280


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 15 of  19  Pages



 
B.
Lone Balsam, L.P.
     
(a)
Amount beneficially owned:  257,372
     
(b)
Percent of class:  0.3%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  257,372
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  257,372

 
C.
Lone Sequoia, L.P.
     
(a)
Amount beneficially owned:  215,063
     
(b)
Percent of class:  0.2%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  215,063
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  215,063

 
D.
Lone Cascade, L.P.
     
(a)
Amount beneficially owned:  3,781,311
     
(b)
Percent of class:  3.9%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  3,781,311
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  3,781,311

 
E.
Lone Sierra, L.P.
     
(a)
Amount beneficially owned:  178,322
     
(b)
Percent of class:  0.2%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  178,322
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  178,322

 
F.
Lone Pine Associates LLC
     
(a)
Amount beneficially owned:  589,715
     
(b)
Percent of class:  0.6%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  589,715
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  589,715


 
 
 
CUSIP No.  00438V103
 
13G/A
Page  16 of  19  Pages



 
G.
Lone Pine Members LLC
     
(a)
Amount beneficially owned:  3,959,633
     
(b)
Percent of class:  4.0%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  3,959,633
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  3,959,633

 
H.
Lone Pine Capital LLC
     
(a)
Amount beneficially owned:  4,508,918
     
(b)
Percent of class:  4.6%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  4,508,918
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  4,508,918

 
I.
Lone Pine Managing Member LLC
     
(a)
Amount beneficially owned:  9,058,266
     
(b)
Percent of class:  9.2%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  9,058,266
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  9,058,266

 
J.
Stephen F. Mandel, Jr.
     
(a)
Amount beneficially owned:  9,058,266
     
(b)
Percent of class:  9.2%
     
(c)
(i)
Sole power to vote or direct the vote:  -0-
       
(ii)
Shared power to vote or direct the vote:  9,058,266
       
(iii)
Sole power to dispose or direct the disposition:  -0-
       
(iv)
Shared power to dispose or direct the disposition:  9,058,266

Item 5.
OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
   
 
Not applicable

Item 6.
OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
   
  Lone Pine Associates, the general partner of Lone Spruce, Lone Sequoia and Lone Balsam, has the power to direct the affairs of Lone Spruce, Lone Sequoia and Lone Balsam, including decisions respecting the disposition of the proceeds from the sale of shares.  Lone Pine Members, the general partner of Lone Cascade and Lone Sierra, has the power to direct the affairs of Lone Cascade and Lone Sierra, including decisions respecting the disposition of the proceeds from the sale of shares.  Lone Pine Capital, the investment manager of Lone Cypress, Lone Kauri and Lone Monterey Master Fund, has the power to direct the receipt of dividends from or the proceeds of the sale of shares held by Lone Cypress, Lone Kauri and Lone Monterey Master Fund. Lone Pine Managing Member, the Managing Member of Lone Pine Associates, Lone Pine Members and Lone Pine Capital, has the power to direct the affairs of Lone Pine Associates, Lone Pine Members and Lone Pine Capital. Mr. Mandel is the Managing Member of Lone Pine Managing Member and in that capacity directs its operations.

 
 
 
CUSIP No.  00438V103
 
13G/A
Page  17 of  19  Pages



Item 7.
IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.
   
 
Not applicable

Item 8.
IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
   
 
Not applicable

Item 9.
NOTICE OF DISSOLUTION OF GROUP.
   
   Not applicable

Item 10.
CERTIFICATION.

 
Each of the Reporting Persons hereby makes the following certification:
   
  By signing below each Reporting Person certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 18 of 19  Pages



SIGNATURES
 
After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.
 
DATED:  February 14, 2012

   
 
By:
  
   
Stephen F. Mandel, Jr., individually and as Managing Member of Lone Pine Managing Member LLC, for itself and as Managing Member of (a) Lone Pine Associates LLC, for itself and as the general partner of (i) Lone Spruce, L.P., (ii) Lone Balsam, L.P. and (iii) Lone Sequoia, L.P.; (b) Lone Pine Members LLC, for itself and as the general partner of (i) Lone Cascade, L.P. and (ii) Lone Sierra, L.P.; and
(c) Lone Pine Capital LLC
   
   
   


 
 
 
CUSIP No.  00438V103
 
13G/A
Page 19 of 19  Pages



EXHIBIT 1
 
JOINT ACQUISITION STATEMENT
 
PURSUANT TO RULE 13d-1(k)
 
The undersigned acknowledge and agree that the foregoing statement on Schedule 13G/A is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G/A shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements.  The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.
 
DATED:  February 14, 2012

   
 
By:
  
   
Stephen F. Mandel, Jr., individually and as Managing Member of Lone Pine Managing Member LLC, for itself and as Managing Member of (a) Lone Pine Associates LLC, for itself and as the general partner of (i) Lone Spruce, L.P., (ii) Lone Balsam, L.P. and (iii) Lone Sequoia, L.P.; (b) Lone Pine Members LLC, for itself and as the general partner of (i) Lone Cascade, L.P. and (ii) Lone Sierra, L.P.; and
(c) Lone Pine Capital LLC