F1Received in exchange for 21,159,609 shares of Class A common stock, $0.01 par value per share, of Rockwater Energy Solutions, Inc. ("Rockwater") in connection with the acquisition of Rockwater by Select Energy Services, Inc. (the "Issuer").
F2Represents 8,773,760 shares of Class A common stock, $0.01 par value per share, of the Issuer ("Class A Common Stock") directly beneficially owned by SCF-VI, L.P., 6,374,474 shares of Class A Common Stock directly beneficially owned by SCF-VII, L.P. and 1,043,097 shares of Class A Common Stock directly beneficially owned by SCF-VII(A), L.P.
F3L. E. Simmons is the President and sole member of the board of directors of L.E. Simmons & Associates, Incorporated, a Delaware corporation ("LESA"), which is the sole general partner of each of SCF-VI, G.P., Limited Partnership ("SCF-VI GP"), SCF-VII, G.P., Limited Partnership ("SCF-VII GP") and SCF-VII(A), G.P., Limited Partnership ("SCF-VII(A) GP"). Additionally, SCF-VI GP is the sole general partner of SCF-VI, L.P., SCF-VII, GP is the sole general partner of SCF-VII, L.P. and SCF-VII(A) GP is the sole general partner of SCF-VII(A), L.P. Based on the reporting person's affiliation with SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P., L. E. Simmons may be deemed to beneficially own all of the shares of common stock of the Issuer beneficially owned or deemed to be beneficially owned by SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P. Mr. Simmons disclaims beneficial ownership of all such interests.
F4David C. Baldwin is a member of the Issuer's board of directors. Mr. Baldwin serves as Co-President of LESA. As such, Mr. Baldwin may be deemed to have dispositive power over the shares of common stock owned by SCF-VI, L.P., SCF-VII, L.P. and SCF-VII(A), L.P. Mr. Baldwin disclaims beneficial ownership of all such interests.