Assured Guaranty (AGO) DEFA14A Additional proxy soliciting materials

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.
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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on May 4, 2016. ASSURED GUARANTY LTD. You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy materials and voting instructions. E02669-P71395 See the reverse side of this notice to obtain Meeting Information Meeting Type:Annual Meeting For holders as of:March 7, 2016 Date: May 4, 2016Time: 8:00 AM, London Time Location: 1 Finsbury Square London EC2A 1AE United Kingdom For directions to the Annual Meeting, contact Virginia Reynolds at 020 7562 1920 or Vreynolds@assuredguaranty.com

Before You Vote How to Access the Proxy Materials Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E02670-P71395 Vote In Person: If you choose to vote these shares in person at the meeting, you must request a "legal proxy." To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form. Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENTANNUAL REPORT How to View Online: following page) and visit: www.proxyvote .com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET:www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*:sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 20, 2016 to facilitate timely delivery.

The Board of Directors recommends you vote FOR the following proposals: 1A. Election of Directors of Assured Guaranty Ltd. (the "Company"): Nominees: 4A. To Authorize the Company to vote for directors of our subsidiary, Assured Guaranty Re Ltd. ("AG Re"): Nominees: 1a. Francisco L. Borges 4aa. Howard W. Albert 1b. G. Lawrence Buhl 4ab. Robert A. Bailenson 1c. Dominic J. Frederico 4ac. Russell B. Brewer II 1d. Bonnie L. Howard 4ad. Gary Burnet 1e. Thomas W. Jones 4ae. Stephen Donnarumma 1f. Patrick W. Kenny 4af. Dominic J. Frederico 1g. Alan J. Kreczko 4ag. James M. Michener 1h. Simon W. Leathes 4B. To authorize the Company to appoint PwC as Ag Re's independent auditor for the fiscal year ending December 31, 2016. 1i. Michael T. O’Kane 1j. Yukiko Omura NOTE: Such other business as may properly come before the meeting or any adjournment thereof. 2. To approve, on an advisory basis, the compensation paid to the Company’s named executive officers. To appoint PricewaterhouseCoopers LLP (“PwC”) as the Company’s independent auditor for the fiscal year ending December 31, 2016, and to authorize the Board of Directors, acting through its Audit Committee, to set the fees of the independent auditor. 3. E02671-P71395 Voting Items

E02672-P71395 Voting Instructions