OneBeacon Files for Initial Public Offering

OneBeacon Insurance Group, Ltd., a wholly owned subsidiary of White Mountains Insurance Group, Ltd., has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed underwritten initial public offering of up to $500 million of its common shares, including an option for the underwriters to purchase additional common shares. All of the shares will be sold by White Mountains Holdings Bermuda Ltd., a wholly owned subsidiary of White Mountains Insurance Group, Ltd.

OneBeacon Insurance Group, Ltd. is the holding company for the OneBeacon Insurance property and casualty businesses. OneBeacon provides a range of specialty insurance products as well as a variety of segmented commercial and personal insurance products.

Source: White Mountain Insurance