X0303 4 2009-12-15 0 0001358831 LEGACY RESERVES LP LGCY 0001385049 Brown Dale A 303 W. WALL STREET, SUITE 1400 MIDLAND TX 79701 1 0 1 0 Units representing limited partner interests 2009-12-15 4 J 0 358932 0 A 810352 D Units representing limited partner interests 2009-12-15 4 J 0 717865 0 D 4967361 I See footnotes Reflects the pro rata distribution, not for value, of units representing limited partner interests in Legacy Reserves LP to the partners of MBN Properties LP and their respective equity holders. Mr. Dale A. Brown's beneficial ownership in 358,932 units changed from indirect to direct. In prior reports, the reporting person reported indirect beneficial ownership of these units. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these units in this report shall not be deemed an admission of beneficial ownership of all of the reported units for purposes of Section 16 or for any other purpose. Includes 4,391,408 units held by Moriah Properties, Ltd. ("Moriah Properties") and 33,672 units held by Moriah Resources, Inc. ("Moriah Resources"). Moriah Properties and Moriah Resources are entities owned and controlled by Mr. Dale A. Brown and Mr. Cary D. Brown. Includes 542,281 units owned by DAB Resources, Ltd., an entity partially owned by Mr. Dale A. Brown. Director of Legacy Reserves GP, LLC, the general partner of Legacy Reserves LP. /s/ Steven H. Pruett, as attorney-in-fact for Dale A. Brown 2009-12-17