X0306 4 2015-03-09 0 0001521847 Memorial Production Partners LP MEMP 0001531732 Robbins Gregory M 500 DALLAS STREET, SUITE 1800 HOUSTON TX 77002 0 1 0 0 SVP, Corporate Development Common units representing limited partner interests 2015-03-09 4 S 0 16000 18.00 D 73707 D This transaction was executed in multiple trades at prices ranging from $18.00 to $18.05. The price reported above reflects the weighted average sales price rounded to the nearest cent. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of common units and prices at which the transactions were effected. The reporting person is the Senior Vice President, Corporate Development of Memorial Production Partners GP LLC, the general partner of the registrant. /s/ Gregory M. Robbins 2015-03-11