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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(Print or Type Responses)

1. Name and Address of Reporting Person * Horne Paul T   2. Issuer Name and Ticker or Trading Symbol LEGACY RESERVES LP [LGCY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP and COO (Last) (First) (Middle) 303 W. WALL STREET, SUITE 1400 3. Date of Earliest Transaction (Month/Day/Year) 02/18/2013 (Street) MIDLAND, TX 79701 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 Units representing limited partner interests 02/18/2013   M   5,847 A $ 0 (1) 12,905 D   Units representing limited partner interests 02/18/2013   D   5,847 D $ 26.07 (2) 7,058 D   Units representing limited partner interests               121,684 I See footnote (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Phantom Units

(1)

02/18/2013

M

5,847

(4)(5)

(4)(5)

Units

5,847

$ 0 (1)

14,014 (6)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Horne Paul T 303 W. WALL STREET, SUITE 1400 MIDLAND, TX 79701			EVP and COO

Signatures

/s/ Paul T. Horne		02/20/2013
**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)	Each phantom unit represents the economic equivalent of a unit representing a limited partner interest in Legacy Reserves LP.
(2)	Reflects the closing price of the units on February 15, 2013.
(3)	Mr. Horne indirectly beneficially owns the 121,684 units held by H2K Holdings, Ltd.
(4)	Phantom units vest annually in one-third increments on February 18th of each applicable year and are payable in cash or, at the discretion of the compensation committee of the board of directors of the general partner of the Issuer, in units.
(5)	Pursuant to the achievement of certain objective, performance-based criteria, none of the phantom units eligible to vest for the year ended December 31, 2012, granted on February 18, 2010, February 18, 2011 and February 2, 2012 vested. Accordingly, the aggregate 9,804 phantom units eligible to vest during 2013 with respect to the February 18, 2010, February 18, 2011 and February 2, 2012 phantom unit grants were forfeited. With respect to the subjective phantom unit grants, 2,492 phantom units (the third tranche of the 2010 subjective phantom unit grant), 1,756 phantom units (the second tranche of the 2011 subjective phantom unit grant) and 1,599 phantom units (the first tranche of the 2012 subjective phantom unit grant), vested.
(6)	Includes the remaining 4,617 phantom units and 9,397 phantom units from the phantom units granted on February 18, 2011 and February 2, 2012, respectively.
Remarks: Executive Vice President and Chief Operations Officer of Legacy Reserves GP, LLC, the general partner of Legacy Reserves LP.

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