WHITE MOUNTAINS INSURANCE GROUP LTD — Director's Dealing 2012

Dec 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
CIK: 0000776867
Period of Report: 2012-12-07

Reporting Person: CAMPBELL REID TARLTON (Managing Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-07	Common Shares	S	900	$519.01	Disposed	7500	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares (Restricted)	7400	Direct
Common Shares	61	Indirect

Footnotes

F1: Private sale.

F2: Reflects accumulation of 7 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 Nov 30, 2012.