For Immediate Release

White Mountains to Acquire a Majority Stake in NSM Insurance Group

HAMILTON, Bermuda, April 2, 2018 – White Mountains Insurance Group, Ltd. (NYSE: WTM) (“White Mountains”) announced today that it has entered into an agreement to acquire a majority equity stake in NSM Insurance Group (“NSM”), a leading specialty insurance program administrator. The transaction values NSM at approximately $388 million. White Mountains intends to fund the acquisition through a combination of cash on hand and new debt issued by NSM. NSM is a leading specialty insurance program administrator placing in excess of $500 million in premiums annually through its relationships with more than 6,000 brokerage firms and approximately 100 insurance carriers. NSM’s expertise covers a wide range of specialty insurance sectors such as collector cars, non-profit organizations, sports & wellness centers, specialty real estate and pet insurance. NSM’s deep industry knowledge and capabilities and longstanding relationships with insurance brokers and insurance carriers allow it to serve as a critical intermediary in the specialty insurance market. “We are pleased to make this investment in NSM alongside the management team. The company is high quality, and we believe there is tremendous opportunity to grow and expand the business,” said Manning Rountree, Chief Executive Officer of White Mountains. “We look forward to working with Geof and his team and to providing them with support and resources to continue to grow the business organically and through acquisitions.” “This transaction marks a new and exciting chapter of growth for NSM. We are thrilled to have the support of an experienced insurance investor with a long-term capital base as we set our course toward future success,” said Geof McKernan, Chief Executive Officer of NSM. “We look forward to working with the White Mountains team to continue to execute on our growth strategy while delivering the best solutions and services to our insurance carrier partners.” The transaction is expected to close by the end of the second quarter of 2018. The closing is subject to regulatory approvals and other customary closing conditions. The closing is not subject to a financing condition. Merger & Acquisition Services acted as financial advisor to White Mountains, while Cravath, Swaine & Moore LLP provided legal advice. Latham & Watkins LLP acted as legal advisor to selling equity holders and NSM, and McDonald Hopkins LLC acted as legal advisor to NSM management.

About NSM Insurance Group

NSM is a full-service MGU and program administrator for specialty property & casualty insurance, with over $500 million of controlled premiums. NSM manages all aspects of the placement process on behalf of its carrier partners, including product development, marketing, underwriting, policy issuance, and claims. The company specializes in niche sectors such as collector cars, social services and behavioral health, specialty real estate, sports and fitness centers, and pet insurance. NSM is actively seeking to acquire additional program managers and niche specific insurance businesses. For more information, visit

About White Mountains

White Mountains is a Bermuda-domiciled financial services holding company traded on the New York Stock Exchange and the Bermuda Stock Exchange under the symbol WTM. Additional financial information and other items of interest are available at the Company’s web site located at

About Merger & Acquisition Services, Inc.

Merger & Acquisition Services, Inc. is a specialist advisory and financial services Firm to the insurance and reinsurance industry, with offices in New York, Connecticut, Georgia & Cayman Islands. Founded in 1999, the Firm and its affiliates provides investment banking and insurance consulting services globally, including; merger & acquisition advisory capital raising, valuations, program placement/fronting, and reinsurance advisory. Merger & Acquisition Capital Services, LLC., a registered broker-dealer and member FINRA / SIPC, is an affiliate of Merger & Acquisition Services, Inc.

To learn more about Merger & Acquisition Services, visit