X0202 4 2007-06-15 0 0001340041 Complete Production Services, Inc. CPX 0001248279 SIMMONS L E 600 TRAVIS SUITE 6600 HOUSTON TX 77002 0 0 1 1 Member of Group 0001085549 SCF IV LP 600 TRAVIS STE 6600 HOUSTON TX 77002 0 0 0 1 Member of Group 0001085548 SCF IV GP LTD PARTNERSHIP 600 TRAVIS STE 6600 HOUSTON TX 77002 0 0 0 1 Member of Group 0001334122 SCF VI LP 600 TRAVIS STE 6600 HOUSTON TX 77002 0 0 0 1 Member of Group 0001380957 SCF-VI, G.P., Limited Partnership 600 TRAVIS STREET SUITE 6600 HOUSTON TX 77002 0 0 0 1 Member of Group 0001085550 SIMMONS L E & ASSOCIATES INC 600 TRAVIS STE 6600 HOUSTON TX 77002 0 0 0 1 Member of Group Common Stock 2007-06-15 4 J 0 142655 27.3 A 142655 D Common Stock 2007-06-15 4 J 0 7750 27.3 A 7750 I By L.E. Simmons & Associates, Inc. Common Stock 2007-06-15 4 J 0 109600 27.3 A 109600 I By LESFP, Ltd. Common Stock 2007-06-15 4 J 0 12115 27.3 A 12115 I By LES/VCWS 2005 Family Trust Common Stock 2007-06-15 4 J 0 2500000 27.3 D 22396756 I By SCF-IV, L.P. Common Stock 681432 I By SCF-VI, L.P. Represents the distribution of shares from SCF-IV, L.P. to the investors in that partnership. The reporting person is sole stockholder and director of L.E. Simmons & Associates, Inc., a Delaware corporation (LESA), which is the sole general partner of SCF-VI GP Limited Partnership (SCF-VI GP) and SCF-IV GP Limited Partnership (SCF-IV GP), both of which are Delaware limited partnerships. Additionally, SCF-VI GP is the sole general partner of SCF-VI LP (SCF-VI) and SCF-IV GP is the sole general partner of SCF-IV LP (SCF-IV), both of which are Delaware limited partnerships. The reporting person is also the ultimate general partner of LESFP, Ltd. (LESFP) and a trustee of the LESVCWS 2005 Family Trust (LESVCWS 2005). Based on the reporting person's affiliation with LESFP, LESVCWS 2005, SCF-VI GP, SCF-IV GP, SCF-VI and SCF-IV (collectively the "Related Entities"), the reporting person 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 the Related Entities. L.E. Simmons is signing for himself, as the designated filer, as well as in his capacity as attorney-in-fact for LESA, LESFP, LES/VCWS 2005, SCF-VI GP, SCF-IV GP, SCF-VI and SCF-IV. L.E. Simmons 2007-06-15