X0303 4 2009-02-26 0 0001163348 ALLIED WORLD ASSURANCE CO HOLDINGS LTD AWH 0001456268 Gauthier John J ALLIED WORLD ASSURANCE CO HOLDINGS, LTD 27 RICHMOND ROAD PEMBROKE D0 HM 08 BERMUDA 0 1 0 0 SVP & C.I.O., Newmarket Admin Employee Stock Option (right to buy) 39.02 2009-02-26 4 A 0 1000 0.00 A 2010-02-26 2019-02-26 Common Shares 1000 1000 D Restricted Stock Units 2009-02-26 4 A 0 3000 0.00 A Common Shares 1500 3000 D These securities vest in four equal annual installments with the first installment vesting on the date shown. Grant of Restricted Stock Units for no monetary consideration. 3,000 Restricted Stock Units convert into (i) 1,500 Common Shares of the Company and (ii) cash equal to the market value of 1,500 Common Shares (measured at the date of vesting) upon the vesting of such Restricted Stock Units. The Restricted Stock Units vest in four equal annual installments with the first installment vesting on February 26, 2010. /s/ Wesley D. Dupont, by Power of Attorney 2009-03-02