Arch to Report Q3 Results Today; Conference Call Details

The Bermuda-based Arch Capital Group Ltd. will release its 2007 third quarter results after the close of regular stock market hours on Thursday, October 25, 2007.

The Company will hold a conference call for investors and analysts at 11:00 a.m. Eastern Time on Friday, October 26, 2007.

A live webcast of this call will be available via the Media-Earnings Webcasts section of the Company’s website at http://www.archcapgroup.bm and will be archived on the website from 1:00 p.m. Eastern Time on October 26 through midnight Eastern Time on November 26, 2007.

A telephone replay of the conference call also will be available beginning on October 26 at 1:00 p.m. Eastern Time until November 2, 2007 at midnight Eastern Time. To access the replay, domestic callers should dial 888-286-8010 (passcode 31251662), and international callers should dial 617-801-6888 (passcode 31251662).

Source: Arch Capital