Willis

London, UK, February 24, 2011 – Willis Group Holdings (NYSE: WSH), the global insurance broker, today announced that Toby Wemyss has been appointed CEO of its Global Markets International (GMI) division, effective immediately. Based in London, he will report to Dominic Samengo-Turner, CEO of Willis’ London Market Wholesale businesses, which are comprised of Faber & Dumas, Willis Facultative and GMI.

GMI is Willis' centre of excellence for International Property and Casualty risks supporting the Group’s retail offices worldwide. With over 250 Associates based in London, Singapore, Melbourne, Ipswich and Mumbai, the division incorporates a number of market-leading industry practice groups including Power and Utilities, Renewable Energy, Terrorism, Leisure and Hospitality, Life Sciences and Metals and Mining.

Mr. Wemyss, most recently Managing Director of GMI, started his insurance career at Willis and has been with the Group for 10 years. He began as a market-facing property broker but gained experience in a number of different roles including being leader of the Terrorism team, co-leader of the Asia Pacific team and Chief Operating Officer of GMI.

Commenting on the appointment, Mr. Samengo-Turner said, “GMI is a very strong business and is at the core of Willis' London Market operations. Toby has the expertise and the relationships, both internally and externally, to expand our capabilities and deliver growth, in partnership with the Willis International network.”

Willis Group Holdings plc is a leading global insurance broker. Through its subsidiaries, Willis develops and delivers professional insurance, reinsurance, risk management, financial and human resource consulting and actuarial services to corporations, public entities and institutions around the world. Willis has more than 400 offices in nearly 120 countries, with a global team of approximately 17,000 employees serving clients in virtually every part of the world. Additional information on Willis may be found at www.willis.com.