X0306 4 2013-02-27 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) 2013-02-27 4 A 0 2250 0 A 7300 D Common Shares 10120 D Common Shares 5 I by wife and dependent children Common Shares 512 I By 401(k) On February 27, 2013, the Reporting Person received a restricted share award of 2,250 Common Shares which vest on January 1, 2016. Reflects accumulation of 11 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 21, 2013. Jason R. Lichtenstein, by Power of Attorney 2013-03-01