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HAMILTON, Bermuda--([ BUSINESS WIRE ])--Arch Capital Group Ltd. (Nasdaq: ACGL) today announced that it will acquire Ariel Reas Credit & Surety reinsurance operations based in Zurich.

Upon the closing of the transaction, Ariel Reas Zurich based team will transfer to the Zurich office of Arch Reinsurance Europe Underwriting Limited (Arch Re Europe) and will be fully operational with immediate effect, ensuring a seamless transition for service to both clients and intermediaries. Ariel Reas existing Trade Credit & Surety portfolio will be reinsured by Arch Reinsurance Ltd. (Arch Re Bermuda), based in Bermuda. Both Arch Re Europe and Arch Re Bermuda are rated "A+" by Standard & Pooras.

The closing of the transaction is subject to regulatory approvals and other customary closing conditions.

Arch Capital Group Ltd., a Bermuda-based company with approximately $5.03 billion in capital at December 31, 2011, 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 forwarda'looking statements. This release or any other written or oral statements made by or on behalf of Arch Capital Group Ltd. and its subsidiaries may include forwarda'looking statements, which reflect our current views with respect to future events and financial performance. All statements other than statements of historical fact included in or incorporated by reference in this release are forwarda'looking statements.

Forwarda'looking statements can generally be identified by the use of forwarda'looking terminology such as "may," "will," "expect," "intend," "estimate," "anticipate," "believe" or "continue" or their negative or variations or similar terminology. Forwarda'looking statements involve our current assessment of risks and uncertainties. Actual events and results may differ materially from those expressed or implied in these statements. A non-exclusive list of the important factors that could cause actual results to differ materially from those in such forward-looking statements includes the following: adversegeneral economic and market conditions;increased competition;pricing and policy term trends;fluctuations in the actions of rating agencies and ourability to maintain and improve our ratings; investment performance;the loss of key personnel;the adequacy of our loss reserves,severity and/or frequency of losses, greater than expected loss ratios and adverse development on claim and/or claim expense liabilities;greater frequency or severity of unpredictable natural and man-made catastrophic events;the impact of acts of terrorism and acts of war; changes in regulations and/or tax laws in the United States or elsewhere;our ability to successfully integrate, establish and maintain operating procedures as well as integrate the businesses we have acquired or may acquire into the existing operations;changes in accounting principles or policies;material differences between actual and expected assessments for guaranty funds and mandatory pooling arrangements;availability and cost to us of reinsurance to manage our gross and net exposures;the failure of others to meet their obligations to us; andother factors identified in our filings with the U.S. Securities and Exchange Commission.

The foregoing review of important factors should not be construed as exhaustive and should be read in conjunction with other cautionary statements that are included herein or elsewhere. All subsequent written and oral forwarda'looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these cautionary statements. We undertake no obligation to publicly update or revise any forwarda'looking statement, whether as a result of new information, future events or otherwise.