WHITE MOUNTAINS INSURANCE GROUP LTD — Director's Dealing 2012

Dec 19, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
CIK: 0000776867
Period of Report: 2012-12-17

Reporting Person: DAVIS MORGAN W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-17	Common Shares	S	1000	$519.00	Disposed	23290	Direct
2012-12-17	Common Shares	G	400	—	Disposed	22890	Direct
2012-12-19	Common Shares	S	407	$521.00	Disposed	22483	Direct
2012-12-19	Common Shares	S	21	$521.01	Disposed	22462	Direct
2012-12-19	Common Shares	S	273	$521.02	Disposed	22189	Direct
2012-12-19	Common Shares	S	199	$521.10	Disposed	21990	Direct
2012-12-19	Common Shares	S	100	$521.16	Disposed	21890	Direct

Footnotes

F1: Private Sale of Common Shares

F2: Gift to Charitable Foundation

F3: Open Market Sale of Common Shares