1、SIRIUS INTERNATIONAL INSURANCE CORPORATION ANNUAL REPORT 20051White Mountains our ownersWhite Mountains Insurance Group,Ltd.(White Mountains or the Company)has its corporate headquarters and its registered office in Hamilton,Bermuda,and its prin-cipal executive office in Jersey City,New Jersey.White
2、 Mountains common shares are listed on the New York Stock Exchange and the Bermuda Stock Exchange under the symbol“WTM.”Market capitalization as of December 31,2005 was approximately$6 billion.White Mountains is an insurance hold-ing company with business interests in property and casualty insurance
3、 and reinsurance.The Company conducts its business through:OneBeacon specialty and segmented personal and commercial property and casualty primary insurance.White Mountains Re global reinsurance.Esurance a direct marketer and underwriter of personal auto insurance.White Mountains Advisors investment
4、 management with$32 billion of assets under management.As of December 31,2005,White Moun-tains reported total assets of$19.4 billion,GAAP shareholders equity of$3.8 billion,and fully converted tangible book value per shareNGM of$342.51.White Mountains Re Group,Ltd(White Mountains Re),is a Bermuda ho
5、ld-ing company whose operating companies offer lead capacity for most property,casualty,accident&health,marine,and aviation exposures.White Mountains Re maintains underwriting offices in Bermuda,New York,Stockholm,Chicago,Connecti-cut,Dublin,Hamburg,Lige,London,Mi-ami,Singapore,Toronto,and Zurich.Bu
6、si-ness is generated primarily through major reinsurance brokers.In addition to Sirius International the group includes:Folksamerica Reinsurance Company (Folksamerica)a U.S.-based global multi-line reinsurance company.White Mountains Underwriting Limited(White Mountains Under-writing)an Ireland-and