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

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1. Name and Address of Reporting Person * Chow Ling   2. Issuer Name and Ticker or Trading Symbol ASSURED GUARANTY LTD [AGO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) General Counsel and Secretary (Last) (First) (Middle) 30 WOODBOURNE AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 09/21/2018 (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 09/21/2018   M   4,000 A $ 7.44 75,737 D   Common Shares 09/21/2018   F   2,459 (1) D $ 42.28 73,278 D   Common Shares 09/21/2018   M   2,241 A $ 17.44 75,519 D   Common Shares 09/21/2018   F   1,626 (1) D $ 42.28 73,893 D

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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

Options to Acquire Common Shares

$ 7.44

09/21/2018

M

4,000

(2)

02/05/2019

Common Shares

4,000

$ 0

0 (3)

D

Options to Acquire Common Shares

$ 17.44

09/21/2018

M

2,241

02/09/2015

02/09/2019

Common Shares

2,241

$ 0

0 (3)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Chow Ling 30 WOODBOURNE AVENUE HAMILTON, D0 HM08			General Counsel and Secretary

Signatures

/s/ Ling Chow		09/24/2018
**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)	Represents the payment of the exercise price and withholding taxes of an employee stock option through the attestation of previously owned shares.
(2)	Options vested as follows: 1/3 on 02/05/2010, 1/3 on 02/05/2011 and 1/3 on 02/05/2012.
(3)	All options of this tranche have been exercised. The total number of options from other tranches with different exercise prices, vesting terms and expiration dates is 12,598 (after taking into account the options exercised as reported on this Form 4). The total number of performance share units from tranches with different performance measures, performance periods and vesting dates is 9,296.

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