X0306 4 2022-02-27 0 0001273813 ASSURED GUARANTY LTD AGO 0001506178 BUZEN DAVID A. 30 WOODBOURNE AVENUE HAMILTON D0 HM08 BERMUDA 0 1 0 0 Head of Asset Management* Common Shares 2022-02-27 4 F 0 3823 63.64 D 87441.772 D Common Shares 2022-02-27 4 A 0 11222 0.00 A 98663.772 D Common Shares 2022-02-27 4 F 0 5729 63.64 D 92934.772 D Common Shares 2022-02-27 4 A 0 4469 0.00 A 97403.772 D Common Shares being withheld to pay tax liability. Represents the vesting of performance share units based on the achievement of core adjusted book value targets. Represents the determination of the number of common shares to be delivered based on the achievement of relative total shareholder value targets. These shares have vested and will be delivered on February 27, 2023, subject to continued compliance with the terms of the award agreement. *and Chief Investment Officer /s/ Richard J. Bauerfeld, Attorney-in-fact 2022-03-01