SEC Form 3

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 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Doughty Jason (Last) (First) (Middle) C/O KOSMOS ENERGY, LLC 8176 PARK LANE, SUITE 500 (Street) DALLAS TX 75231 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 11/16/2012	3. Issuer Name and Ticker or Trading Symbol Kosmos Energy Ltd. [ KOS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Senior V.P., General Counsel	5. If Amendment, Date of 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

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 Shares	155,430(1)	D

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: 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

Explanation of Responses:

1. Of these: (1) 31,840 restricted shares that were granted under the Issuer's Long-Term Incentive Plan (the "Plan") are scheduled to vest ratably on October 1 of each of 2013, 2014 and 2015, subject to the terms of the Plan and the applicable award agreement issued thereunder, which terms provide for accelerated vesting under specified circumstances; (2) 42,453 restricted shares that were granted under the Plan and that are scheduled to vest on May 16, 2015, subject to the satisfaction of service and performance conditions specified in the Plan and an award agreement issued under the plan, which terms provide for accelerated vesting under specified circumstances; and (3) 25,962 restricted share units that were granted under the Plan and are scheduled to vest 25% on June 1 of each of 2013, 2014, 2015 and 2016, subject to the terms of the Plan and the applicable award agreement issued thereunder, which terms provide for accelerated vesting under specified circumstances.

Remarks:

	/s/ Phillip Feiner, as Attorney-in-Fact	11/20/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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