Financials Arch Capital Group Ltd. For the quarter ended March 31, 2008, Arch Capital Group Ltd. reported net income of $189.4 million compared to $198.6 million for the quarter ended March 31, 2007. Gross and net premiums written for the 2008 first quarter were $1.05 billion and $1.21 billion, respectively, compared to $811.3 million and $871.7 million for the 2007 first quarter. Gross and net premiums were $4.14 billion and $2.9 billion, respectively, for the year ended December 31, 2007, compared to $4.28 billion and $3.02 billion for the 2006 period. ACGL's combined ratio was 86.2% for the 2008 first quarter, compared to 83.4% for the 2007 first quarter. To learn more about Arch Capital Group Ltd. or to obtain investor information, visit the Arch Capital Group Ltd. website. Please also view reports filed periodically by Arch Capital Group Ltd. with the SEC. Download more information about ACGL: Arch Captal Group Ltd. Corporate Overview (PDF) Arch Insurance Group - A.M. BEST RATING A.M. Best Co. has assigned a financial strength rating of "A (excellent)" to each of Arch Insurance Group's principal North American operating insurance subsidiaries: Arch Insurance Company, Arch Specialty Insurance Company and Arch Excess & Surplus Insurance Company. Arch Insurance Company (a Missouri corporation, NAIC # 11150) had admitted assets of $1.5 billion, total liabilities of $975.3 million and surplus to policyholders of $549.4 million, as shown in the 2008 Statutory Quarterly Statement. Arch Specialty Insurance Company (a Nebraska corporation, NAIC #21199) had admitted assets of $465.1 million, total liabilities of $175.9 million and surplus to policyholders of $289.3 million, as shown in the 2008 Statutory Quarterly Statement. Arch Excess & Surplus Insurance Company (a Nebraska corporation, NAIC # 10946) had admitted assets of $29.0 million, total liabilities of $3.5 million and surplus to policyholders of $25.6 million, as shown in the 2008 Statutory Quarterly Statement. Our North American operations are conducted through Arch Insurance Company, Arch Specialty Insurance Company and Arch Excess & Surplus Insurance Company. Arch Insurance Group is a division of Arch Capital Group Ltd.

Financials

Arch Capital Group Ltd.

For the quarter ended March 31, 2008, Arch Capital Group Ltd. reported net income of $189.4 million compared to $198.6 million for the quarter ended March 31, 2007. Gross and net premiums written for the 2008 first quarter were $1.05 billion and $1.21 billion, respectively, compared to $811.3 million and $871.7 million for the 2007 first quarter. Gross and net premiums were $4.14 billion and $2.9 billion, respectively, for the year ended December 31, 2007, compared to $4.28 billion and $3.02 billion for the 2006 period. ACGL's combined ratio was 86.2% for the 2008 first quarter, compared to 83.4% for the 2007 first quarter.

To learn more about Arch Capital Group Ltd. or to obtain investor information, visit the Arch Capital Group Ltd. website. Please also view reports filed periodically by Arch Capital Group Ltd. with the SEC.

Download more information about ACGL:

Arch Captal Group Ltd. Corporate Overview (PDF)

Arch Insurance Group - A.M. BEST RATING

A.M. Best Co. has assigned a financial strength rating of "A (excellent)" to each of Arch Insurance Group's principal North American operating insurance subsidiaries: Arch Insurance Company, Arch Specialty Insurance Company and Arch Excess & Surplus Insurance Company.

Arch Insurance Company (a Missouri corporation, NAIC # 11150) had admitted assets of $1.5 billion, total liabilities of $975.3 million and surplus to policyholders of $549.4 million, as shown in the 2008 Statutory Quarterly Statement.

Arch Specialty Insurance Company (a Nebraska corporation, NAIC #21199) had admitted assets of $465.1 million, total liabilities of $175.9 million and surplus to policyholders of $289.3 million, as shown in the 2008 Statutory Quarterly Statement.

Arch Excess & Surplus Insurance Company (a Nebraska corporation, NAIC # 10946) had admitted assets of $29.0 million, total liabilities of $3.5 million and surplus to policyholders of $25.6 million, as shown in the 2008 Statutory Quarterly Statement.

Our North American operations are conducted through Arch Insurance Company, Arch Specialty Insurance Company and Arch Excess & Surplus Insurance Company. Arch Insurance Group is a division of Arch Capital Group Ltd.