X0303 4 2010-02-24 0000776867 WHITE MOUNTAINS INSURANCE GROUP LTD WTM 0001188198 SEELIG ROBERT LAWRENCE C/O WHITE MOUNTAINS INSURANCE GROUP, LTD 80 SOUTH MAIN STREET HANOVER NH 03755 0 1 0 0 Managing Dir & General Counsel Common Shares (restricted) 2010-02-24 4 A 0 1925 0 A 8425 D Common Shares 1000 D Common Shares 306 I By 401(k) On February 24, 2010, the Reporting Person received a restricted share award of 1,925 Common Shares which vest on December 31, 2012. Reflects accumulation of 18 WTM Common Shares in Reporting Person's Company 401(k) account since his last filed report. WTM Common Shares are purchased at fair market value on the date of purchase. The information in this report is based on a plan statement dated as of February 22, 2010. Jason R. Lichtenstein, by Power of Attorney 2010-02-26