--------------------------------------------------------------------------------
SEC 1745 POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION
(02-02) CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM
DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER.
--------------------------------------------------------------------------------
--------------------------
OMB APPROVAL
--------------------------
OMB Number: 3235-0145
--------------------------
Expires: December 31, 2005
--------------------------
Estimated average burden
--------------------------
hours per response. . . 11
--------------------------
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No.1)*
AGERE SYSTEMS, INC.
--------------------------------------------------------------------------------
(Name of Issuer)
CLASS A COMMON
--------------------------------------------------------------------------------
(Title of Class of Securities)
00845V100
--------------------------------------------------------------------------------
(CUSIP Number)
DECEMBER 31, 2003
--------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover 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. 00845V100 13G Page 2 of 4 Pages
1. NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (entities only)
---------------------------------------------------------
NWQ INVESTMENT MANAGEMENT COMPANY, LLC 47-0875103
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (See Instructions)
(a)
--------------------------------------------------------------------
(b)
--------------------------------------------------------------------
--------------------------------------------------------------------------------
3. SEC USE ONLY
--------------------------------------------------------------------
--------------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
----------------------------------------------------------------
--------------------------------------------------------------------------------
NUMBER OF 5. SOLE VOTING POWER 0
SHARES ------------------------------------------------------
BENEFICIALLY 6. SHARED VOTING POWER 0
OWNED BY ------------------------------------------------------
EACH 7. SOLE DISPOSITIVE POWER 0
REPORTING PERSON ------------------------------------------------------
WITH 8. SHARED DISPOSITIVE POWER 0
------------------------------------------------------
--------------------------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
--------------------------------------------------------------------------------
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
(See Instructions)
--------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0%
--------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON* IA
--------------------------------------------------------------------------------
CUSIP No. 302563101 13G Page 3 of 4 Pages
SCHEDULE 13G STATEMENT
Date of Event: December 31, 2003
Item 1. a. NAME OF ISSUER.
--------------
Agere Systems Inc.
b. ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES.
-----------------------------------------------
1110 American Parkway NE
Allentown, PA 18109
Item 2. a. NAME OF PERSON FILING.
---------------------
NWQ Investment Management Company, LLC
b. ADDRESS OF PRINCIPAL BUSINESS OFFICE
-----------------------------------------------
2049 Century Park East, 4th Floor, Los Angeles, CA 90067
c. CITIZENSHIP
-----------------------------------------------
Delaware, USA
d. TITLE OF CLASS OF SECURITIES
-----------------------------------------------
Class A Common
e. CUSIP NUMBER.
-----------------------------------------------
00845V100
Item 3. This statement is filed pursuant to ss. 240.13d-2(b) and the person
filing is an:
(e) Investment Adviser in accordance with
ss.240.13d-1(b)(1)(ii)(E)
Item 4. OWNERSHIP.
---------
a. AMOUNT BENEFICIALLY OWNED. 0 shares
b. PERCENT OF CLASS. 0 %
c. NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:
(i) sole power to vote or to direct the vote: 0
(ii) shared power to vote or to direct the vote: 0
(iii) sole power to dispose or to direct the disposition of: 0
(iv) shared power to dispose or to direct the disposition of:0
CUSIP No. 302563101 13G Page 4 of 4 Pages
Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
--------------------------------------------
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [ x ].
Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
---------------------------------------------------------------
None.
Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY OR CONTROL PERSON.
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.
-------------
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and are held in the
ordinary course of business and 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 purposes or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
February 24, 2004
-----------------------------------
Jon D. Bosse
Chief Investment Officer & Managing Director