UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

(Amendment No.         )

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Assured Guaranty Ltd.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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Your Vote Counts! ASSURED GUARANTY LTD. 2021 Annual General Meeting Vote by May 4, 2021 11:59 PM ET. For shares held in a Plan, vote by May 2, 2021 11:59 PM ET. ASSURED GUARANTY LTD. 30 WOODBOURNE AVENUE HAMILTON, HM 08 BERMUDA D37442-P51090 You invested in ASSURED GUARANTY LTD. and it's time to vote! You have the right to vote on proposals being presented at the Annual General Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on May 5, 2021. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 21, 2021. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Point your camera here and vote without entering a control number Vote in Person at the Meeting* May 5, 2021 1 p.m. London time 6 Bevis Marks London EC3A 7BA United Kingdom * Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. V1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Voting Items 1. Election of the following persons as Directors of Assured Guaranty Ltd. (the "Company") for a term expiring at the 2022 Annual General Meeting: Nominees: 1a. Francisco L. Borges 1b. G. Lawrence Buhl 1c. Dominic J. Frederico 1d. Bonnie L. Howard 1e. Thomas W. Jones 1f. Patrick W. Kenny 1g. Alan J. Kreczko 1h. Simon W. Leathes 1i. Michelle McCloskey 1j. Michael T. O'Kane 1k. Yukiko Omura 1l. Lorin P.T. Radtke 1m. Courtney C. Shea 2. Advisory vote on the compensation paid to the Company's named executive officers 3. Appointment of PricewaterhouseCoopers LLP as the independent auditor of the Company for the fiscal year ending December 31, 2021 and authorization of the Board of Directors, acting through its Audit Committee, to set the remuneration of the independent auditor of the Company 4. Authorization of the Company to vote its shares in its subsidiary Assured Guaranty Re Ltd. to: 4A. Elect the following individuals as directors of Assured Guaranty Re Ltd. for a term expiring on the date of the 2022 annual general meeting of Assured Guaranty Re Ltd. shareholders: Nominees: 4aa. Howard W. Albert 4ab. Robert A. Bailenson 4ac. Russell B. Brewer II 4ad. Gary Burnet 4ae. Ling Chow 4af. Stephen Donnarumma 4ag. Dominic J. Frederico 4ah. Darrin Futter 4ai. Walter A. Scott 4B. Appoint PricewaterhouseCoopers LLP as the independent auditor of Assured Guaranty Re Ltd. for the fiscal year ending December 31, 2021 NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Board Recommends Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Sign up for E-delivery". D37443-P51090