1. On August 4, 2011, Quintana Energy Partners II, L.P. distributed 178,223 Class A Units to Quintana Capital Group II, L.P., its general partner on account of the latter's carried and pro rata partnership interests in Quintana Energy Partners II, L.P. Quintana Capital Group II, L.P. simultaneously distributed those units on a pro rata basis to its partners.

2. On August 4, 2011, Quintana Capital Group GP, Ltd., the general partner of Quintana Capital Group II, L.P., received 1,618 Class A Units in a pro rata distribution from Quintana Capital Group II, L.P.

3. Quintana Capital Group GP, Ltd. is the general partner of Quintana Capital Group II, L.P., which is the general partner of Quintana Energy Partners II, L.P. and QEP II Genesis TE Holdco, LP. QEP Management Co. GP, LLC is the general partner of QEP Management Co., L.P. (each a "management entity"). Each such management entity provides management services to Quintana Energy Partners II, L.P. and QEP II Genesis TE Holdco, LP, and may be deemed to have or share voting power and/or investment power over the units reported in this Form 4 held by such entities. QEP Management Co. GP, LLC is managed by a board of managers and Quintana Capital Group GP, Ltd. is managed by a board of directors (such boards, collectively, the "Quintana Boards"). The members of each Quintana Board are Donald L. Evans, Warren S. Hawkins, Corbin J. Robertson, Jr., Brock E. Morris, Corbin J. Robertson III, and William K. Robertson.

4. Q GEI Holdings, LLC is managed by a board of managers (the "Q GEI Board") the members of which are Jimmy A. McDonald, Steve Putman and Corbin J. Robertson III (such individuals, collectively, the "Q GEI Managers"). The Q GEI Board acts unanimously and none of the Q GEI Managers may act individually to vote or sell any of the units covered by this Form 4. Each of the Q GEI Managers is also an employee of Quintana Capital Group GP, Ltd.