PURCHASE AND SALE AGREEMENT BETWEEN ST. MARY LAND & EXPLORATION COMPANY AS SELLER AND LEGACY RESERVES OPERATING LP AS BUYER Dated:Purchase and Sale Agreement • February 23rd, 2010 • Legacy Reserves Lp • Crude petroleum & natural gas • Colorado
Contract Type FiledFebruary 23rd, 2010 Company Industry JurisdictionThis Purchase and Sale Agreement (this “Agreement”) is made and entered into this 17th day of December, 2009, by and between ST. MARY LAND & EXPLORATION COMPANY, a Delaware corporation (“Seller”), and LEGACY RESERVES OPERATING LP, a Delaware limited partnership (“Buyer”). Buyer and Seller are collectively referred to herein as the “Parties”, and are sometimes referred to individually as a “Party.”