XL Insurance Honors Silverstein Properties And The Christman Company With Green Contractor Awards For Exemplary Environmental Risk Management

HAMILTON, BERMUDA - November 12, 2008

EXTON, Pennsylvania, November 11, 2008 – XL Insurance, XL Capital Ltd's global insurance operation (NYSE: XL), today announced that Silverstein Properties of New York and The Christman Company of Lansing, Michigan are the recipients of XL Insurance's 2008 Green Contractor Award. This award honors companies for their exemplary risk management strategies that promote environmental health and welfare of employees and communities in which they do business.Rich Corbett, head of XL Insurance's Global Environmental Insurance team said: "Leading construction companies take their environmental protection responsibilities very seriously. This award, now in its 10th year, rewards their efforts to manage the environmental risks that threaten the natural environment as well as their employees’ or public safety. It is a pleasure to recognize companies, like Silverstein Properties and Christman Companies, for setting an industry standard using exemplary risk management strategies."Laura Wagner, XL Environmental's Construction Practice Leader, noted: "Companies demonstrate their environmental commitment in many different ways, including actively managing environmental risks at job sites, and utilizing renewable and local construction materials. Each year the selection process gets more difficult as contractors become more aware of their environmental impact and responsibilities."Green Contractor recipients are recognized for their commitment to environmental stewardship through employee training, environmental risk management efforts, energy and resource conservation, and other risk management practices. The Christman Company and Silverstein Properties’ environmental commitment also includes their involvement in green building activities. The Christman Company, for example, recently developed their national headquarters to be the worl'’s first Double-Platinum LEED© Certified Building. Likewise, Silverstein Properties' headquarters at 7 World Trade Center is New York City’s first LEED certified building.About XL Insurance"XL Insurance" is the global brand used by member insurers of the XL Capital Ltd (NYSE: XL) group of companies. More information about XL Insurance is available at www.xlinsurance.com. Through its operating subsidiaries, XL Capital Ltd is a leading provider of global insurance and reinsurance coverage and services to industrial, commercial and professional service firms, insurance companies, and other enterprises on a worldwide basis. More information about XL Capital Ltd is available at www.xlgroup.com.About Silverstein PropertiesSilverstein Properties is one of Manhattan's leading real estate development and investment firms, and has developed, owned and managed more than twenty million square feet of office, residential and retail space. The firm offers fully integrated real estate services including design, development, leasing, management and operations. More information about Silverstein Properties is available at www.silversteinproperties.com.About The Christman CompanyRanked 164 in the 2008 Engineering News-Record ENR 400 list of top contractors nationally, The Christman Company is a 114 year-old construction management firm whose affiliate service divisions include Christman Capital Development Company—Christman’s real estate development division—and Christman Constructors, Inc., a group of over 200 highly skilled craftspeople providing excavation, demolition, concrete, carpentry, and other hands-on industrial construction services. More information about Christman is available at www.christmanco.com.