X0202 4 2006-01-10 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 2006-01-10 4 P 0 100 43.60 A 4204799 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 43.65 A 4204999 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 43.67 A 4205199 I See Common Stock, $.10 par value 2006-01-10 4 P 0 226 43.69 A 4205425 I See Common Stock, $.10 par value 2006-01-10 4 P 0 774 43.70 A 4206199 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 43.79 A 4206399 I See Common Stock, $.10 par value 2006-01-10 4 P 0 903 43.80 A 4207302 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 43.81 A 4207402 I See Common Stock, $.10 par value 2006-01-10 4 P 0 1384 43.85 A 4208786 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 43.87 A 4208886 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 43.98 A 4208986 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 44.06 A 4209186 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.27 A 4209286 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 44.32 A 4209486 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.44 A 4209586 I See Common Stock, $.10 par value 2006-01-10 4 P 0 99 44.46 A 4209685 I See Common Stock, $.10 par value 2006-01-10 4 P 0 101 44.48 A 4209786 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.81 A 4209886 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.89 A 4209986 I See Common Stock, $.10 par value 2006-01-10 4 P 0 300 44.90 A 4210286 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 44.92 A 4210486 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 44.94 A 4210686 I See Common Stock, $.10 par value 2006-01-10 4 P 0 300 44.96 A 4210986 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.97 A 4211086 I See Common Stock, $.10 par value 2006-01-10 4 P 0 200 44.98 A 4211286 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 44.99 A 4211386 I See Common Stock, $.10 par value 2006-01-10 4 P 0 400 45.00 A 4211786 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 45.03 A 4211886 I See Common Stock, $.10 par value 2006-01-10 4 P 0 100 45.04 A 4211986 I See Common Stock, $.10 par value 2006-01-10 4 P 0 300 45.07 A 4212286 I See These shares are owned by Clayton Williams Partnership, Ltd., a family limited partnership (4,017,502 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 2006-01-12