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  <TITLE>FORM 8-K  11/21/03 </TITLE>
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  <CENTER><FONT SIZE=4><B>UNITED STATES <BR>SECURITIES AND EXCHANGE COMMISSION</B></FONT> <br>
  <FONT SIZE=3><B>WASHINGTON, D.C. 20549</B></FONT></CENTER>
  
  <H1 ALIGN=CENTER><FONT SIZE=4>FORM 8-K</FONT></H1>
  
  <CENTER><B>CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)<BR>
   OF THE SECURITIES EXCHANGE ACT OF 1934</B></CENTER>
  <br>
  <br>
  <CENTER><B>DATE OF REPORT:  November 21, 2003</b></center>
  
  <br><center><b>Commission file number 1-8572</B></CENTER>
  <BR>
  <CENTER><FONT SIZE=4><B>TRIBUNE COMPANY</B></FONT> <br><FONT SIZE=3>(Exact
  name of registrant as specified in its charter)</FONT></CENTER>
  
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      <td WIDTH="60%" VALIGN="TOP"><p ALIGN="CENTER"><B>Delaware</B><BR>(State or other
      jurisdiction of<BR>incorporation or organization)<P></td>
      <td WIDTH="40%" VALIGN="TOP"><p ALIGN="CENTER"><B>36-1880355</B><BR>
      (I.R.S. Employer<BR>
      Identification No.)<BR></td></tr>
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       <TD ALIGN="LEFT"></TD><TD ALIGN="LEFT"><FONT SIZE="-1">&nbsp;</FONT></TD></TR>
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      <td WIDTH="60%" VALIGN="TOP"><p ALIGN="CENTER"><B>435 North Michigan Avenue,
      Chicago, Illinois</B><BR>
      (Address of principal executive offices)<BR></td>
      <td WIDTH="40%" VALIGN="TOP"><p ALIGN="CENTER"><B>60611</B><BR>
      (Zip code)</td>
    </tr>
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  <BR>
  
  <CENTER><FONT SIZE=2>Registrant's telephone number, including area code:&nbsp;&nbsp;(312) 222-9100</FONT></CENTER>
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  <P><B>ITEM 11.&nbsp;&nbsp;Temporary Suspension of Trading Under Registrant&#146;s Employee Benefit Plans.</B></P>
  
  <P>Tribune Company
  (&#147;Tribune&#148;) is implementing a new Retirement and Savings Benefits Plan
  (the &#147;New Plan&#148;) scheduled to take effect on January 1, 2004. In order
  to facilitate the transition to the New Plan, plan participants and
  beneficiaries will be prohibited from effecting certain transactions in Tribune
  common stock held in the New Plan and in the following existing plans at various
  times during the period beginning at 3:00 p.m. Central Time on December 26, 2003
  and ending at 6:00 a.m. Central Time on January 7, 2004: </P>
  
  <p>Tribune Company Defined Contribution Retirement Plan<br>
  Tribune Broadcasting Retirement Plan<br>
  Tribune Company Savings Incentive Plan<br>
  Times Mirror Savings Plus Plan<br>
  Chicago Tribune Tax Deferred Investment Plan for Machinists<br>
  WPIX Inc. Hourly Employees' Retirement Plan<br>
  KTLA Inc. Hourly Employees' Retirement Plan<br>
  Tribune Company Employee Stock Ownership Plan<br>
  Times Mirror Employee Stock Ownership Plan<br>
  KPLR 401(k) Plan</p>
  
  <P>Trading restrictions
  include loan transactions, distributions (including hardship withdrawals), fund
  election and contribution changes, fund transfers, fund reallocations and ESOP
  diversification transactions. </P>
  
  <P>Tribune received notice, as
  required by Section 101(i)(2)(E) of the Employee Retirement Income Security Act
  of 1974, of the temporary trading suspension from the Tribune Company Employee
  Benefits Committee, the plan administrator for each of the above plans, on
  November 17, 2003. Notice of the temporary trading suspension has been sent to
  all affected plan participants and beneficiaries. </P>
  
  <P>The temporary trading
  suspension qualifies as a &#147;blackout period&#148; under Regulation BTR
  promulgated pursuant to Section 306(a)(3) of the Sarbanes-Oxley Act of 2002.
  Notice of this blackout period has also been sent to Tribune&#146;s directors
  and executive officers. </P>
  
  <P>Inquiries concerning the
  blackout period should be directed to Crane H. Kenney, Tribune&#146;s Senior
  Vice President, General Counsel and Secretary, or Mark W. Hianik, Tribune&#146;s
  Vice President, Assistant General Counsel and Assistant Secretary, at 435 North
  Michigan Avenue, Chicago, Illinois 60611 or (312) 222-9100. </P>
  
  <CENTER><B>SIGNATURE</B></CENTER>
  
  <P>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.</P>
  
  
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      <td WIDTH="40%" VALIGN="TOP"><p ALIGN="CENTER">&nbsp;<P></td>
      <td WIDTH="60%" VALIGN="TOP"><p ALIGN="LEFT">&nbsp;  </TD></tr>
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      <td WIDTH="40%" VALIGN="TOP"><p ALIGN="CENTER">&nbsp;<P></td>
      <td WIDTH="60%" VALIGN="TOP"><p ALIGN="LEFT">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TRIBUNE COMPANY<BR>&nbsp;&nbsp;&nbsp;&nbsp;
          (Registrant)<BR>&nbsp;<br>&nbsp;<br>&nbsp;</TD></tr>
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      <td WIDTH="50%" VALIGN="TOP"><p ALIGN="left">Date:&nbsp;&nbsp;November 21, 2003</td>
      <td WIDTH="50%" VALIGN="TOP"><p ALIGN="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u>/s/&nbsp;
          &nbsp;Mark W. Hianik</u><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mark W. Hianik<br>&nbsp;&nbsp;&nbsp;&nbsp;
          Vice President, Assistant General<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Counsel &amp; Assistant Secretary   </td>
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metadata_filer: {"company-data": {"conformed-name": "TRIBUNE CO", "cik": "0000726513", "assigned-sic": "2711", "irs-number": "361880355", "state-of-incorporation": "DE", "fiscal-year-end": "1227"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-08572", "film-number": "031017273"}, "business-address": {"street1": "435 N MICHIGAN AVE", "street2": "STE 600", "city": "CHICAGO", "state": "IL", "zip": "60611", "phone": "3122229100"}}
text: FORM 8-K  11/21/03
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
  OF THE SECURITIES EXCHANGE ACT OF 1934
  DATE OF REPORT:  November 21, 2003
  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 11.  Temporary Suspension of Trading Under Registrant's Employee Benefit Plans.
  Tribune Company
  ("Tribune") is implementing a new Retirement and Savings Benefits Plan
  (the "New Plan") scheduled to take effect on January 1, 2004. In order
  to facilitate the transition to the New Plan, plan participants and
  beneficiaries will be prohibited from effecting certain transactions in Tribune
  common stock held in the New Plan and in the following existing plans at various
  times during the period beginning at 3:00 p.m. Central Time on December 26, 2003
  and ending at 6:00 a.m. Central Time on January 7, 2004:
  Tribune Company Defined Contribution Retirement Plan
  Tribune Broadcasting Retirement Plan
  Tribune Company Savings Incentive Plan
  Times Mirror Savings Plus Plan
  Chicago Tribune Tax Deferred Investment Plan for Machinists
  WPIX Inc. Hourly Employees' Retirement Plan
  KTLA Inc. Hourly Employees' Retirement Plan
  Tribune Company Employee Stock Ownership Plan
  Times Mirror Employee Stock Ownership Plan
  KPLR 401(k) Plan
  Trading restrictions
  include loan transactions, distributions (including hardship withdrawals), fund
  election and contribution changes, fund transfers, fund reallocations and ESOP
  diversification transactions.
  Tribune received notice, as
  required by Section 101(i)(2)(E) of the Employee Retirement Income Security Act
  of 1974, of the temporary trading suspension from the Tribune Company Employee
  Benefits Committee, the plan administrator for each of the above plans, on
  November 17, 2003. Notice of the temporary trading suspension has been sent to
  all affected plan participants and beneficiaries.
  The temporary trading
  suspension qualifies as a "blackout period" under Regulation BTR
  promulgated pursuant to Section 306(a)(3) of the Sarbanes-Oxley Act of 2002.
  Notice of this blackout period has also been sent to Tribune's directors
  and executive officers.
  Inquiries concerning the
  blackout period should be directed to Crane H. Kenney, Tribune's Senior
  Vice President, General Counsel and Secretary, or Mark W. Hianik, Tribune's
  Vice President, Assistant General Counsel and Assistant Secretary, at 435 North
  Michigan Avenue, Chicago, Illinois 60611 or (312) 222-9100.
  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:  November 21, 2003
  /s/ 
           Mark W. Hianik
  Mark W. Hianik
  Vice President, Assistant General
  Counsel & Assistant Secretary