Pg. 1 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 12) Tribune Company --------------- (Name of Issuer) Common Stock, No Par Value -------------------------- (Title of Class of Securities) 896047 10 7 ----------- (CUSIP Number) Check the following box if a fee is being paid with this statement[_]. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7.) -------------------------- ------------------------ CUSIP No. 896047 10 7 13G Page 2 of 6 Pages ----------- --- --- -------------------------- ------------------------ -------------------------------------------------------------------------------- Name of Reporting Person S.S. or I.R.S. Identification No. of above person 1 Northern Trust Corporation 36-2723087 The Northern Trust Company 36-1561860 Northern Trust Bank, NA 86-0377338 Northern Trust Bank of California, NA 94-2938925 Northern Trust Bank of Florida, NA 36-3190871 Northern Trust Bank of Texas, NA 75-1999849 Northern Trust Investments, Inc. 36-3608252 Northern Trust Bank, FSB 38-3424562 Northern Trust Company of Connecticut 06-6275604 -------------------------------------------------------------------------------- Check the appropriate box if a member of a group 2 Not Applicable (a)[_] (b)[_] -------------------------------------------------------------------------------- S.E.C. use only 3 -------------------------------------------------------------------------------- Citizenship or place of organization 4 Northern Trust Corporation--a Delaware corporation with principal offices in Chicago, Illinois -------------------------------------------------------------------------------- Sole Voting Power 5 4,907,811 Number of --------------------------------------------------------- shares Shared Voting Power beneficially 6 owned by 17,697,926 each --------------------------------------------------------- reporting Sole Dispositive Power person 7 with 5,179,453 --------------------------------------------------------- Shared Dispositive Power 8 17,195,758 -------------------------------------------------------------------------------- Aggregate amount beneficially owned by each reporting person 9 22,663,387 -------------------------------------------------------------------------------- Check box if the aggregate amount in Row (9) excludes certain shares. 10 Not Applicable -------------------------------------------------------------------------------- Percent of class represented by amount in Row 9 11 7.44 -------------------------------------------------------------------------------- Type of reporting person 12 Northern Trust Corporation HC -------------------------------------------------------------------------------- Pg. 3 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 Check the following box if a fee is being paid with statement [_]. 1. (a) Tribune Company --------------- (Name of Issuer) (b) 435 North Michigan Ave., Chicago, IL 60611 ------------------------------------------- (Address of Issuer's Principal Executive Office) 2. (a) Northern Trust Corporation -------------------------- (Name of Person Filing) (b) 50 South LaSalle Street, Chicago, Illinois 60675 ------------------------------------------------ (Address of Person Filing) (c) U.S. (Delaware Corporation) --------------------------- (Citizenship) (d) Common Stock, No Par -------------------- (Title of Class of Securities) (e) 896047 10 7 ----------- (CUSIP Number) 3. This statement is being filed by Northern Trust Corporation as a Parent Holding Company in accordance with (S)240.13d-1(b)(1)(ii)(G). 4. (a) 22,663,387 ---------- (Amount Beneficially Owned) (b) 7.44 ---- (Percent of Class) (c) Number of shares as to which such person has: (i) 4,907,811 --------------- (Sole Power to Vote or to Direct the Vote) (ii) 17,697,926 --------------- (Shared Power to Vote or to Direct the Vote) (iii) 5,179,453 --------------- (Sole Power to Dispose or Direct Disposition) (iv) 17,195,758 --------------- (Shared Power to Dispose or Direct Disposition) Pg. 4 5. 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 5 percent of the class of securities, check the following: [_] 6. Statement regarding ownership of 5 percent or more on behalf of another person: 7. Parent Holding Company reporting on behalf of the following subsidiaries, all of which are banks as defined in Section 3(a) (6) of the Act: The Northern Trust Company Northern Trust Bank N.A. 50 South LaSalle Street 2398 East Camelback Road Chicago, IL 60675 Phoenix, AZ 85016 Northern Trust Bank of California N.A. Northern Trust Bank of Florida N.A. 355 South Grand Avenue, Suite 2600 700 Brickell Avenue Los Angeles, CA 90071 Miami, FL 33131 Northern Trust Bank of Texas N.A. Northern Trust Investments, Inc. 2020 Ross Avenue 50 South LaSalle Street Dallas, TX 75201 Chicago, IL 60675 Northern Trust Company of Connecticut Northern Trust Bank, FSB 300 Atlantic Street, Suite 400 40701 Woodward, Suite 110 Stamford, CT 06901 Bloomfield Hills, MI 48304 8. Identification and Classification of Members of the Group. Not Applicable. 9. Notice of Dissolution of Group. Not Applicable. 10. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. Pg. 5 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. NORTHERN TRUST CORPORATION _______________________________ By: Perry R. Pero DATED: 02-10-2003 As its: Vice Chairman Pg. 6 EXHIBIT TO SCHEDULE 13G FILED BY NORTHERN TRUST CORPORATION Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549-1004 Attention: Filing Desk, Stop 1-4 RE: Tribune Company --------------- Pursuant to the requirement of 240.13d-1(k) (1) (iii), this exhibit shall constitute our written agreement that the Schedule 13G to which this exhibit is attached is filed on behalf of Northern Trust Corporation and of its subsidiary(ies), as stated below, regarding our respective beneficial ownership in the above-captioned equity security. NORTHERN TRUST CORPORATION _______________________________ By: Perry R. Pero DATED: 02-10-2003 As its: Vice Chairman The NORTHERN TRUST COMPANY ________________________________________ By: Perry R. Pero As its Vice Chairman NORTHERN TRUST BANK, NA NORTHERN TRUST BANK OF CALIFORNIA, NA NORTHERN TRUST BANK OF FLORIDA, NA NORTHERN TRUST BANK OF TEXAS, NA By: Quentin C. Johnson As its Authorized Representative NORTHERN TRUST BANK, FSB ________________________________________ By: Brian J. Hofmann As its Authorized Representative NORTHERN TRUST INVESTMENTS, INC. ________________________________________ By: Orie L. Dudley As its Director NORTHERN TRUST COMPANY OF CONNECTICUT ________________________________________ By: Trista Simoncek As its Authorized Representative