X0306 4 2016-02-25 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) 2016-02-25 4 A 0 2000 0 A 6625 D Common Shares 14760 D Common Shares 5 I by wife and dependent children Common Shares 540 I By 401(k) On February 25, 2016, the Reporting Person received a restricted share award of 2,000 Common Shares, which vests on January 1, 2019. Since the date of Reporting Person's last filing, he acquired 4 shares of WTM Common Shares under the company 401(k) plan. 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 25, 2016. Jason R. Lichtenstein, by Power of Attorney 2016-02-29