White Mountains Re, Ltd. (White Mountains Re) is a Bermuda-domiciled holding company whose operating companies offer capacity for most property, casualty, accident & health, marine, and aviation exposures.

Our principal operating companies are:

• White Mountains Reinsurance Company of America (WMRe America) is a U.S.-based international multi-line reinsurance company.
   
• White Mountains Re Sirius (Sirius) is a Sweden-based international reinsurer that focuses mainly on property and other short-tailed lines.
   

As of December 31, 2009, White Mountains Re had $1.4 billion in shareholders' equity and $807 million in net written premium.