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Welcome to White Mountains Insurance Group, Ltd.

Welcome to White Mountains

For a reconciliation of Adjusted Book Value per Share to GAAP Book Value per Share, click here.

White Mountains is a Bermuda-domiciled financial services holding company with business interests in property and casualty insurance and reinsurance.

Our goal is to provide you with the financial information you need, right at your fingertips. This site offers extensive information about White Mountains, its subsidiaries and affiliated companies. The navigational area at the top of the page gives you fast and easy access to all the information on the site. You may also find the specific information you need by choosing from the Quick Link drop-down list to the right.

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Our Operating Principles

 News and Reports
Press Releases
White Mountains Completes Sale of Sirius Group (posted 04/18/2016)
Earnings Releases
White Mountains Reports Adjusted Book Value Per Share Of $704 (posted 05/02/2016)
Financial Reports
10-Q (posted 05/02/2016)
Chairman's Letter to Shareholders
2016 Proxy Statement
2015 Management Report

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