OneBeacon Professional Insurance and USI Affinity Enter Into Exclusive Relationship

OneBeacon Professional Insurance (OBPI) announced that it has entered into an exclusive relationship with USI Affinity to administer its Lawyers' Professional Liability (LPL) Insurance program, which provides liability protection solutions for law firms with up to 20 attorneys in Connecticut, Massachusetts, Maryland, Virginia and Washington, D.C. This arrangement coincides with a series of enhancements to OBPI's LPL coverage.

"We are very excited to team up with USI Affinity," said Kim Pihlstrom, Senior Vice President of OBPI's Lawyers' and Real Estate Division. "Leveraging the relationships USI Affinity has developed will greatly enhance our presence in key, targeted markets. It will enable us to more effectively deliver on our commitment to making the professional insurance experience entirely better."

Arnol Kaplan, President & COO, Professional Insurance Solutions, USI Affinity echoed Kim's sentiments. "OBPI is a perfect match for us. Their customer-focused approach to doing business is something our clients look for. Combined with their leading-edge coverage and service capabilities, we feel strongly that together, we can offer a unique solution in the marketplace."

The OBPI-USI Affinity relationship is effective immediately. Additional information, including specific coverage details and contact information, can be found at: www.onebeaconpro.com.

"As we continue to strategically grow our business, it is important to find others who share that focus," Pihlstrom added. "USI Affinity prides itself on finding tailored solutions for their clients. That's exactly what we provide."

OneBeacon Professional Insurance is a member of OneBeacon Insurance Group. It specializes in professional liability solutions for targeted industries, and features tailored risk management services, superior claims capabilities, a decision-making structure that supports faster underwriting decisions and an approved access distribution model.

USI Affinity has grown to become a leading administrator of Bar Association and Lawyer Professional Liability insurance programs nationwide. Through proven performance and market clout, USI Affinity has relationships with more than 30 prestigious state, regional, and city bar associations. USI Affinity's reputation and market position provide the necessary leverage to ensure competitively priced, quality product offerings due to their close relationships with the most respected insurance companies nationwide.

About OneBeacon: OneBeacon Insurance Group, Ltd. (NYSE:OB) is a Bermuda-domiciled holding company that is publicly traded on the New York Stock Exchange under the symbol "OB". OneBeacon Insurance Group's underwriting companies offer a range of insurance products sold through select independent agents, regional and national brokers, and wholesalers. The company's ongoing businesses include OneBeacon Professional Insurance, International Marine Underwriters, Entertainment Brokers International Insurance Services, Specialty Accident and Health, OneBeacon Government Risks, OneBeacon Energy Group, A.W.G. Dewar (tuition refund), collector cars and boats written through Hagerty Insurance Agency, OneBeacon Technology Group, OneBeacon Financial Services, OneBeacon Specialty Property, Property and Inland Marine and AutoOne.

As one of the oldest property and casualty insurers in the United States, OneBeacon traces its roots to 1831 and the Potomac Fire Insurance Company. Today, OneBeacon's specialty insurance businesses are national in scope while personal lines business is concentrated in the Northeastern United States.

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