FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   WLR AGO Co-Invest, L.P. 2. Date of Event Requiring Statement (Month/Day/Year) 05/06/2008 3. Issuer Name and Ticker or Trading Symbol ASSURED GUARANTY LTD [AGO] (Last) (First) (Middle) C/O WL ROSS & CO. LLC, 1166 AVENUE OF THE AMERICAS 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10036 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 768,002 D   Common Stock 11,398,394 I See Footnotes (1) (2) (3) (4) (5) (6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WLR AGO Co-Invest, L.P. C/O WL ROSS & CO. LLC 1166 AVENUE OF THE AMERICAS NEW YORK, NY 10036	Â	  X	Â	Â

Signatures

/s/ Wilbur L. Ross, Jr., its Managing Member, WLR Recovery Associates IV LLC, its General Partner, WL Ross Group, L.P., its Managing Member, El Vedado, LLC its General Partner for WLR AGO CO-INVEST, L.P.		05/08/2008
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	WLR AGO Co-Invest, L.P. ("Co-Invest Fund") is the beneficial owner of 768,002 shares of common stock acquired from its affiliates, WLR Recovery Fund IV, L.P. ("Fund IV"), WLR Recovery Fund III, L.P. ("Fund III") and WLR IV Parallel ESC, L.P. ("Parallel Fund") on May 6, 2008. Co-Invest Fund can be deemed to share voting and dispositive power of 11,398,394 shares that are owned by Fund III, Fund IV, Parallel Fund and WLR/GS Master Co-Investment, L.P. ("WLR/GS Fund"), affiliates of Co-Invest Fund.
(2)	WLR Recovery Associates IV LLC is the general partner and WL Ross & Co. LLC is the investment manager of Fund IV and Co-Invest Fund. WL Ross Group, L.P. is the managing member of WLR Recovery Associates IV LLC. El Vedado, LLC is the general partner of WL Ross Group, L.P. Wilbur L. Ross, Jr. is the managing member of El Vedado, LLC. Accordingly, Wilbur L. Ross, Jr., El Vedado, LLC, WL Ross Group, L.P., WLR Recovery Associates IV LLC and WL Ross & Co. LLC can be deemed to share voting and dispositive power over the shares to be held by Fund IV and Co-Invest Fund.
(3)	WLR Recovery Associates III LLC is the general partner and WL Ross & Co. LLC is the investment manager of Fund III. WL Ross Group, L.P. is the managing member of WLR Recovery Associates III LLC. El Vedado, LLC is the general partner of WL Ross Group, L.P. Wilbur L. Ross, Jr. is the managing member of El Vedado, LLC. Accordingly, Wilbur L. Ross, Jr., El Vedado, LLC, WL Ross Group, L.P., WLR Recovery Associates III LLC and WL Ross & Co. LLC can be deemed to share voting and dispositive power over the shares to be held directly by Fund III.
(4)	INVESCO WLR IV Associates LLC is the general partner of Parallel Fund. INVESCO Private Capital, Inc. is the managing member of INVESCO WLR IV Associates LLC. INVESCO WLR IV Associates LLC and WLR Recovery Associates IV LLC have entered into a parallel investment agreement whereby Parallel Fund will invest on a pro rata basis in the same investments as Fund IV. Accordingly, INVESCO WLR IV Associates LLC, INVESCO Private Capital, Inc. WLR Recovery Associates IV LLC, WL Ross Group, L.P. El Vedado, LLC, WL Ross & Co. LLC and Wilbur L. Ross, Jr. can be deemed to share beneficial ownership over the shares to be held directly by Parallel Fund.
(5)	WLR Master Co-Investment GP, LLC is the general partner and WL Ross & Co. LLC is the investment manager of WLR/GS Fund. WL Ross Group, L.P. is the managing member of WLR Master Co-Investment GP, LLC. El Vedado, LLC is the general partner of WL Ross Group, L.P. Wilbur L. Ross, Jr. is the managing member of El Vedado, LLC. Accordingly, Wilbur L. Ross, Jr., El Vedado, LLC, WL Ross Group, L.P., WLR Master Co-Investment GP, LLC and WL Ross & Co. LLC can be deemed to share voting and dispositive power over the shares to be held by WLR/GS Fund.
(6)	Shares directly owned by WLR Recovery Fund IV, L.P., WLR Recovery Fund III, L.P., WLR IV Parallel ESC, L.P. and WLR-GS Master Co-Investment, L.P.

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