X0303 4 2010-02-24 0 0001273813 ASSURED GUARANTY LTD AGO 0001326822 Bailenson Robert ASSURED GUARANTY LTD. 30 WOODBOURNE AVENUE HAMILTON D0 HM08 BERMUDA 0 1 0 0 Chief Accounting Officer Common Shares 2010-02-24 4 A 0 20000 A 63882.2709 D Employee Stock Options 19.79 2010-02-24 4 A 0 20000 0 A 2020-02-24 Common Shares 20000 103000 D Restricted stock units awarded pursuant to Assured Guaranty Ltd. 2004 Long Term Incentive Plan. The resticted stock units vest as follows: 1/4 on the first anniversary date of the award, 1/4 on the second anniversary date of the award, 1/4 on the third anniversary date of the award and 1/4 on the fourth anniversary date of the award. Upon vesting, one (1) common share will be delivered for each vested restricted stock unit. Stock option award pursuant to Assured Guaranty Ltd. 2004 Long Term Incentive Plan. The stock options vest as follows: 1/3 on the first anniversary date of the award, 1/3 on the second anniversary date of the award and 1/3 on the third anniversary date of the award. Total included options from other tranches with different exercise prices and expiration dates. By: James M. Michener, Attorney-in-fact 2010-02-26