X0202 4 2006-01-20 0 0000880115 CLAYTON WILLIAMS ENERGY INC /DE CWEI 0001329021 Clajon Holding CORP 6 DESTA DRIVE, SUITE 6500 MIDLAND TX 79705 0 0 1 0 Common Stock, $.10 par value 2006-01-20 4 P 0 100 52.32 A 4278509 I See Common Stock, $.10 par value 2006-01-20 4 P 0 220 52.34 A 4278729 I See Common Stock, $.10 par value 2006-01-20 4 P 0 166 52.35 A 4278895 I See Common Stock, $.10 par value 2006-01-20 4 P 0 900 52.37 A 4279795 I See Common Stock, $.10 par value 2006-01-20 4 P 0 300 52.38 A 4280095 I See Common Stock, $.10 par value 2006-01-20 4 P 0 266 52.41 A 4280361 I See Common Stock, $.10 par value 2006-01-20 4 P 0 500 52.43 A 4280861 I See Common Stock, $.10 par value 2006-01-20 4 P 0 700 52.44 A 4281561 I See Common Stock, $.10 par value 2006-01-20 4 P 0 200 52.45 A 4281761 I See Common Stock, $.10 par value 2006-01-20 4 P 0 100 52.48 A 4281861 I See Common Stock, $.10 par value 2006-01-20 4 P 0 200 52.51 A 4282061 I See Common Stock, $.10 par value 2006-01-20 4 P 0 200 52.57 A 4282261 I See Common Stock, $.10 par value 2006-01-20 4 P 0 300 52.58 A 4282561 I See Common Stock, $.10 par value 2006-01-20 4 P 0 100 52.59 A 4282661 I See Common Stock, $.10 par value 2006-01-20 4 P 0 100 52.60 A 4282761 I See Common Stock, $.10 par value 2006-01-20 4 P 0 94 52.87 A 4282855 I See Common Stock, $.10 par value 2006-01-20 4 P 0 100 52.88 A 4282955 I See These shares are owned by Clayton Williams Partnership, Ltd., a family limited partnership (4,088,171 shares) and CWPLCO, Inc. (194,784 shares). CWPLCO, Inc. is the wholly owned subsidiary of the reporting person and is the sole general partner of Clayton Williams Partnership, Ltd. /s/ Clajon Holding Corporation by L. Paul Latham, Vice President 2006-01-24