ACGL Arch Capital Group Ltd

Arch Capital Group Ltd. (NASDAQ: ACGL) today announced that John Vollaro, Executive Vice President and Chief Financial Officer of Arch Capital Group Ltd., and Ralph Jones, Chairman and Chief Executive Officer of Arch Insurance Group, are scheduled to present at the Fox-Pitt, Kelton 2nd Annual Bermuda in Boston 2006 Conference on September 19, 2006 at the Langham Hotel in Boston from 10:00 a.m. to 10:30 a.m. (Eastern Time). A live webcast of the presentation will be available during the presentation at http://www.corporate-ir.net/ireye/confLobby.zhtml?ticker=ACGL&item_id= 1385713 (due to its length, this URL may need to be copied/pasted into your Internet browser's address field; remove the extra space if one exists), and the information will be archived for 90 days from the presentation at the same address. Arch Capital Group Ltd., a Bermuda-based company with approximately $3.32 billion in capital at June 30, 2006, provides insurance and reinsurance on a worldwide basis through its wholly owned subsidiaries. Cautionary Note Regarding Forward-Looking Statements The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for forward-looking statements. This release or any other written or oral statements made by or on behalf of Arch Capital Group Ltd. and its subsidiaries (collectively, the "Company") may include forward-looking statements which reflect the Company's current views with respect to future events and financial performance. Forward-looking statements involve the Company's current assessment of risks and uncertainties, which may cause actual events and results and prospects to differ materially from those expressed or implied in these statements. Certain information regarding such risks and uncertainties is set forth in the Company's filings with the Securities and Exchange Commission. The Company undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.