Contact: Robert Clements and Peter Appel Arch Capital Group Ltd. (203) 862-4300 ARCH CAPITAL GROUP LTD. COMPLETES BERMUDA REDOMESTICATION TRANSACTION GREENWICH, CONNECTICUT, NOVEMBER 8, 2000 - - Arch Capital Group Ltd. [NASDAQ: ACGL] announced today that it has consummated the previously announced reorganization in which the Company has become a wholly owned subsidiary of a Bermuda holding company and the shareholders of the Company have become the shareholders of the Bermuda company. This press release does not constitute an offer of any securities for sale. # # #