Table of Contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 29, 2004

TRAVELERS PROPERTY CASUALTY CORP.

(Exact Name of Registrant as Specified in its Charter)

Registrant’s telephone number, including area code: (860) 277-0111

Not Applicable

(Former name or former address, if changed since last report.)

Table of Contents

ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On January 28, 2004, Travelers Property Casualty Corp. (the “Company”) issued a press release announcing the results of the Company’s operations for the quarter and full year ended December 31, 2003 and the availability of the Company’s fourth quarter financial supplement on the Company’s web site. The press release and financial supplement are furnished as Exhibits 99.1 and 99.2, respectively, to this Report.

As provided in General Instruction B.6 of Form 8-K, the information and exhibits contained in this Form 8-K shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall they be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

2

Table of Contents

SIGNATURES

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

3

Table of Contents

EXHIBIT INDEX

4