X0304 4 2012-01-29 0 0001358831 LEGACY RESERVES LP LGCY 0001385061 Pruett Steven H 303 W. WALL, SUITE 1400 MIDLAND TX 79701 0 1 0 0 President, CFO and Secretary Units representing limited partner interests 2012-01-29 4 M 0 3920 0.00 A 8651 D Units representing limited partner interests 2012-01-29 4 D 0 3920 28.70 D 4731 D Units representing limited partner interests 246935 I See footnote Phantom Units 2012-01-29 4 M 0 3920 0.00 D Units 3920 39880 D Each phantom unit represents the economic equivalent of a unit representing a limited partner interest in Legacy Reserves LP. Reflects the closing price of the units on January 27, 2012. SHP Capital LP owns 246,935 units. Mr. Pruett is deemed to beneficially own the units held by SHP Capital LP. Phantom units vest annually in one-third increments beginning on the first anniversary of their respective grant dates 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. Includes the remaining 18,973 phantom units and 20,907 phantom units, subject to vesting, granted on February 18, 2010 and 2011, respectively. President, Chief Financial Officer and Secretary of Legacy Reserves GP, LLC, the general partner of Legacy Reserves LP. /s/ Steven H. Pruett 2012-01-30