PEMBROKE, Bermuda--( BUSINESS WIRE )--RenaissanceRe Holdings Ltd. (NYSE: RNR) (the "Company" or "RenaissanceRe") announced today that it has commenced an underwritten public offering of 6,300,000 of its common shares. The Company intends to use the net proceeds from this offering to fund a portion of the cash consideration for the previously announced acquisition of certain subsidiaries of American International Group, Inc., including Validus Holdings, Ltd., Validus Specialty, LLC and Validus Reinsurance Ltd. (the "Validus Acquisition"), to pay related costs and expenses, and for general corporate purposes. Morgan Stanley is acting as lead active bookrunner and Goldman Sachs & Co. LLC is acting as active bookrunner in the proposed offering. The underwriters will have the option to purchase up to an aggregate of 945,000 additional common shares from the Company.