Winterthur U.S. Holdings, Inc.: promotes accountant

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Anne M. Smith

Communications Manager

anne.m.smith@win-na.com

(608) 825-5498

(Sun Prairie, Wis.) — Winterthur U.S. Holdings (WUSH) recently promoted Tim Lardinois to assistant vice president within its corporate finance and tax department. (Photo is attached.)

Tim oversees WUSH’s income tax compliance, planning, research and accounting functions. A certified public accountant, Tim joined WUSH in 2003 as tax director. He has 10 years of experience in the tax and financial fields and earned his bachelor’s degree in accounting and master’s of accountancy from the University of Wisconsin-Madison.

Note to the editor: Winterthur U.S. Holdings, Inc., (WUSH) based in Sun Prairie, is an umbrella organization that provides administrative services to General Casualty (Sun Prairie, Wis.) and Unigard (Bellevue, Wash.) insurance companies in the finance, human resources, actuarial, legal, corporate communications, and information technology functional areas. Winterthur’s U.S. operations recorded direct written premiums last year of $1.5 billion and employ 2,400 people in offices throughout the U.S.

Winterthur Group is a leading Swiss insurance company with head office in Winterthur. As an international company, the Group provides a broad range of property and liability insurance products, as well as insurance solutions in life and pensions that are tailored to the individual needs of private and corporate clients. Winterthur Group has approximately 19,500 employees worldwide. The company achieved a premium volume of CHF 21.4 billion in 2004 and reported assets under management of CHF 139.6 billion as of December 31, 2004.

Credit Suisse Group is a leading global financial services company headquartered in Zurich. It provides private clients and small and medium-sized companies with private banking and financial advisory services, and pension and insurance solutions from Winterthur. In the area of investment banking, it serves global institutional, corporate, government and individual clients in its role as a financial intermediary. Credit Suisse Group’s registered shares (CSGN) are listed in Switzerland and in the form of American Depositary Shares (CSR) in New York. The Group employs around 60,000 staff worldwide. As of December 31, 2004, it reported assets under management of CHF 1,220.7 billion.

This news release may contain forward-looking statements as described in our corporate disclosure on forward-looking information. For a complete copy of our corporate statement please go to generalcasualty.com/aboutgc/newsCenter/forward.htm.