White Mountains Insurance Group is pleased to announce their 2001 Annual Investor Meeting. All are welcome to attend, in person or via live or recorded webcast. Please follow the instructions below to join in via one of these methods. Event Date: Friday August 24, 2001 10 a.m. EDT All are welcome.

HAMILTON, Bermuda, May 14, 2002 - White Mountains Insurance Group, Ltd. ended the first quarter of 2002 with a fully converted tangible book value per share of $222, a $4 decrease from December 31, 2001 including the $1 per share annual dividend paid in March 2002.

Hamilton, Bermuda, December 14, 2001 – White Mountains Insurance Group, Ltd. (NYSE symbol: WTM) and the Benfield Group plc are pleased to announce the formation and commencement of operations of Montpelier Re Holdings Ltd., and its wholly owned subsidiary Montpelier Reinsurance Ltd., a Bermuda