XL Group plc To Announce Second Quarter 2010 Results On Tuesday, August 3, 2010

HAMILTON, BERMUDA - July 14, 2010

Hamilton, Bermuda – July 14, 2010 – XL Group plc ("XL" or "the Company") (NYSE: XL)announced today that it intends to release its Second Quarter 2010 results after the close of regular stock market trading hours on Tuesday, August 3, 2010. A conference call to discuss the Company’s results will be held at 5 p.m. Eastern Time on Tuesday, August 3, 2010.The conference call can be accessed through a listen-only dial-in number or through a live webcast. To listen to the conference call, please dial (866) 617-1526 or (210) 795-0624: Passcode: “XL Global”. The webcast will be available at www.xlgroup.com and will be archived on XL’s website from approximately 9:00 p.m. Eastern Time on August 3, 2010, through midnight Eastern Time on September 3, 2010. A telephone replay of the conference call will also be available beginning at approximately 9:00 p.m. Eastern Time on August 3, 2010, until midnight Eastern Time on September 3, 2010, by dialing (888) 562-6153 or (402) 280-9982.XL Group plc, through its subsidiaries, is a global insurance and reinsurance company providing property, casualty, and specialty products to industrial, commercial, and professional firms, insurance companies and other enterprises on a worldwide basis. Its principal executive offices are located at No. 1 Hatch Street Upper, 4th Floor, Dublin 2, Ireland. More information about XL Group plc is available at www.xlgroup.com