FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * FREDERICO DOMINIC   2. Issuer Name and Ticker or Trading Symbol ASSURED GUARANTY LTD [AGO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President/CEO/Deputy Chairman (Last) (First) (Middle) 30 WOODBOURNE AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 02/04/2018 (Street) HAMILTON, D0 HM08 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares 02/04/2018   F   36,700 (1) D $ 35.19 962,014.0034 (2) D   Common Shares 02/04/2018   M   175,918 (3) A $ 0 1,137,932.0034 D   Common Shares 02/04/2018   F   73,050 (1) D $ 35.19 1,064,882.0034 D   Common Shares               9,400 I By Wife Common Shares               200 I By Daughter Common Shares               345,000 I By Family Limited Partnership

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Performance Share Units

(3)

02/04/2018

(3)

M

87,959

(3)

(3)

Common Shares

87,959

$ 0

172,235 (4)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FREDERICO DOMINIC 30 WOODBOURNE AVENUE HAMILTON, D0 HM08	X		President/CEO/Deputy Chairman

Signatures

/s/ Ling Chow, Attorney-in-fact		02/06/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	Common Shares being withheld to pay tax liability.
(2)	Total includes 69 shares purchased on 12/31/2017 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.
(3)	Performance share units awarded pursuant to the Assured Guaranty Ltd. 2004 Long-Term Incentive Plan (the "Plan"). Using the highest 40-day average stock price during the performance period (7/1/2016 to 12/31/2017), 200.00% of the performance share units granted became vested. The number of Common Shares delivered equals the number of performance share units granted multiplied by 200.00%.
(4)	Total includes performance units from other tranches with different performance measures, performance periods and vesting dates, but does not include 584,910 outstanding options.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.