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 * 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) 08/30/2018 (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 06/26/2018   G V 5,560 D $ 0 1,180,680.0034 D   Common Shares 06/26/2018   G V 5,560 D $ 0 1,175,120.0034 D   Common Shares 06/26/2018   G V 700 D $ 0 1,174,420.0034 D   Common Shares 06/26/2018   G V 560 D $ 0 1,173,860.0034 D   Common Shares 06/27/2018   G V 280 D $ 0 1,173,580.0034 D   Common Shares 06/27/2018   G V 2,100 D $ 0 1,171,480.0034 D   Common Shares 08/30/2018   M   57,829 A $ 7.44 1,229,957.0034 (1) D   Common Shares 08/30/2018   S   57,829 D $ 41.08 (2) 1,172,128.0034 D   Common Shares 08/31/2018   M   42,171 A $ 7.44 1,214,299.0034 D   Common Shares 08/31/2018   M   76,123 (3) A $ 17.44 1,290,422.0034 D   Common Shares 08/31/2018   S   118,294 D $ 40.73 (4) 1,172,128.0034 D   Common Shares 09/04/2018   M   35,932 (3) A $ 17.44 1,208,060.0034 D   Common Shares 09/04/2018   S   35,932 D $ 40.7 (5) 1,172,128.0034 D   Common Shares               9,400 I By Wife Common Shares               200 I By Daughter Common Shares               345,000 I By Family Limited Partnersip

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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

08/30/2018

M

57,829

(6)

02/05/2019

Common Shares

57,829

$ 0

42,171 (7)

D

Options to Acquire Common Shares

$ 7.44

08/31/2018

M

42,171

(6)

02/05/2019

Common Shares

42,171

$ 0

0 (7)

D

Options to Acquire Common Shares

$ 17.44

08/31/2018

M

76,123 (3)

02/09/2015

02/09/2019

Common Shares

76,123

$ 0

35,932 (7)

D

Options to Acquire Common Shares

$ 17.44

09/04/2018

M

35,932 (3)

02/09/2015

02/09/2019

Common Shares

35,932

$ 0

0 (7)

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		09/04/2018
**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)	Total includes 648 shares purchased on 06/30/2018 pursuant to the Assured Guaranty Ltd. Employee Stock Purchase Plan which meets the requirements of Rule 16b-3.
(2)	The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $40.84 and $41.33 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.
(3)	Reflects the amount of options that vested in accordance with the performance measures described in the Form 4 reporting the grant.
(4)	The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $40.00 and $41.00 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.
(5)	The Common Shares sold by the Reporting Person and reported herein were sold at a range of between $40.50 and $41.07 per share. The sale price reported above represents the weighted average sale price for the reported transaction and has been rounded to the nearest cent.
(6)	Options vested as follows: 1/3 on 02/05/2010, 1/3 on 02/05/2011 and 1/3 on 02/05/2012.
(7)	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 100,000 (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 254,472.

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