================================================================================ 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 (Date of Earliest Event Reported) - AUGUST 4, 2004 ---------- PLATINUM UNDERWRITERS HOLDINGS, LTD. (Exact name of registrant as specified in its charter) BERMUDA 001-31341 98-0416483 (State or other jurisdiction of (Commission File Number) (IRS Employer Incorporation or Organization) Identification No.) THE BELVEDERE BUILDING 69 PITTS BAY ROAD PEMBROKE, BERMUDA HM 08 (Address of principal executive offices) (Zip Code) (441) 295-7195 (Registrant's telephone number, including area code) N/A (Former name or address, if changed since last report) ================================================================================ Item 5. Other Events On August 4, 2004, Platinum Underwriters Holdings, Ltd. (the "Company") issued a press release announcing that the Company's Board of Directors had approved the repurchase of up to $50 million of its common shares. The Company expects such repurchases to be effected from time to time, depending on market conditions, through open market or privately negotiated transactions or otherwise. Item 7. Financial Statements and Exhibits. (c) Exhibits. Exhibit 99.1 Press release dated August 4, 2004 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, Platinum Underwriters Holdings, Ltd. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PLATINUM UNDERWRITERS HOLDINGS, LTD. By: /s/ Michael E. Lombardozzi ------------------------------- Michael E. Lombardozzi Executive Vice President, General Counsel and Secretary Date: August 4, 2004 Exhibit Index Exhibit Number Description -------------- ----------- 99.1 Press release dated August 4, 2004