================================================================================ 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 May 3, 2004 Date of Report (Date of earliest event reported) Arch Capital Group Ltd. (Exact name of registrant as specified in its charter) Bermuda 0-26456 N/A (State or other (Commission File Number) (I.R.S. Employer jurisdiction of Identification No.) incorporation or organization) Wessex House, 45 Reid Street, Hamilton HM 12, Bermuda (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (441) 278-9250 N/A (Former name or former address, if changed since last report) ================================================================================ ITEM 5. Other Events. Attached hereto as Exhibit 25.1 is a Form T-1 Statement of Eligibility and Qualification of Trustee to qualify JPMorgan Chase Bank, a New York banking corporation, as trustee with respect to certain issuances of debt securities under the Company's effective shelf registration statement (File No. 333-110190). ITEM 7. Exhibits. EXHIBIT NO. DESCRIPTION ----------- ----------- 25.1 Form T-1 Statement of Eligibility of Trustee -2- 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. ARCH CAPITAL GROUP LTD. Date: May 3, 2004 By: /s/ John D. Vollaro ------------------------------------ Name: John D. Vollaro Title: Executive Vice President, Chief Financial Officer and Treasurer -3- EXHIBIT INDEX EXHIBIT NO. DESCRIPTION ----------- ----------- 25.1 Form T-1 Statement of Eligibility of Trustee -4-