**EXHIBIT 31.1**

**Form 10-KCertification**

I, Dennis J. FitzSimons, certify that:

1.                 I have reviewedthis annual report on Form 10-K of Tribune Company;

2.                 Based on myknowledge, this annual report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this annual report;

3.                 Based on myknowledge, the financial statements, and other financial information includedin this annual report, fairly present in all material respects the financialcondition, results of operations and cash flows of Tribune Company as of, andfor, the periods presented in this annual report;

4.                 Tribune Company’sother certifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for TribuneCompany and have:

a)               Designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to Tribune Company, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this annual report is being prepared;

b)              Designed suchinternal control over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance with generallyaccepted accounting principles;

c)               Evaluated theeffectiveness of Tribune Company’s disclosure controls and procedures andpresented in this annual report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisannual report based on such evaluation; and

d)              Disclosed in thisannual report any change in Tribune Company’s internal control over financialreporting that occurred during Tribune Company’s most recent fiscal quarter (TribuneCompany’s fourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, TribuneCompany’s internal control over financial reporting; and

5.                 TribuneCompany’s other certifying officer and I have disclosed, based on our mostrecent evaluation of internal control over financial reporting, to TribuneCompany’s auditors and the audit committee of Tribune Company’s board ofdirectors:

a)               All significantdeficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adverselyaffect Tribune Company’s ability to record, process, summarize and reportfinancial information; and

b)              Anyfraud, whether or not material, that involves management or other employees whohave a significant role in Tribune Company’s internal control over financialreporting.
|                                    |   | /s/ DENNIS  J. FITZSIMONS |
|------------------------------------|--------|--------------------------------|
|                               |   | Dennis J. FitzSimons           |
| Date: February 26,  2007 |   | Chairman, President and        |
|                               |   | Chief Executive Officer        |

 

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