QuickLinks -- Click here to rapidly navigate through this document


UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549



FORM 8-K
Current Report
Pursuant To Section 13 or 15 (d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) — April 22, 2011



ASSURED GUARANTY LTD.
(Exact name of registrant as specified in its charter)



Bermuda   001-32141   98-0429991

(State or other jurisdiction of
incorporation or organization)

 

(Commission File Number)

 

(I.R.S. Employer Identification No.)



Assured Guaranty Ltd.
30 Woodbourne Avenue
Hamilton HM 08 Bermuda
(Address of principal executive offices)

Registrant's telephone number, including area code: (441) 279-5700

Not applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):




Item 2.02 Results of Operations and Financial Condition

        On April 22, 2011, Assured Guaranty Ltd. ("AGL") made available in the Investor Information section of its website the 2010 Consolidated Financial Statements of its subsidiary Assured Guaranty Municipal Corp. The 2010 Consolidated Financial Statements are attached as Exhibit 99.1.


Item 9.01 Exhibits.

Exhibit Number
 
Description
99.1   Assured Guaranty Municipal Corp. 2010 Consolidated Financial Statements


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

    ASSURED GUARANTY LTD.

 

 

By:

 

/s/ Robert Mills

Name: Robert Mills
Title: Chief Financial Officer

DATE:    April 22, 2011



EXHIBIT INDEX

Exhibit Number   Description
99.1   Assured Guaranty Municipal Corp. 2010 Consolidated Financial Statements



QuickLinks

SIGNATURES
EXHIBIT INDEX