FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT: April 15, 2004
Commission file number 1-8572
TRIBUNE COMPANY
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation or organization)

36-1880355
(I.R.S. Employer
Identification No.)

435 North Michigan Avenue, Chicago, Illinois
(Address of principal executive offices)

60611
(Zip code)

Registrant's telephone number, including area code: (312) 222-9100

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

(c)

Exhibit.

99 - Press release dated April 15, 2004.

ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On April 15, 2004, Tribune Company released earnings information for the quarter ended March 28, 2004. Set forth as Exhibit 99 is a copy of the press release.

SIGNATURE

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

TRIBUNE COMPANY
(Registrant)

Date: April 15, 2004

      /s/  R. Mark Mallory
      R. Mark Mallory
      Vice President and Controller