X0202 4 2006-01-17 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 2006-01-17 4 P 0 100 48.48 A 4238959 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.51 A 4239059 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.52 A 4239159 I See Common Stock, $.10 par value 2006-01-17 4 P 0 173 48.53 A 4239332 I See Common Stock, $.10 par value 2006-01-17 4 P 0 50 48.57 A 4239382 I See Common Stock, $.10 par value 2006-01-17 4 P 0 300 48.62 A 4239682 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.63 A 4239782 I See Common Stock, $.10 par value 2006-01-17 4 P 0 300 48.65 A 4240082 I See Common Stock, $.10 par value 2006-01-17 4 P 0 300 48.69 A 4240382 I See Common Stock, $.10 par value 2006-01-17 4 P 0 237 48.71 A 4240619 I See Common Stock, $.10 par value 2006-01-17 4 P 0 200 48.73 A 4240819 I See Common Stock, $.10 par value 2006-01-17 4 P 0 400 48.75 A 4241219 I See Common Stock, $.10 par value 2006-01-17 4 P 0 500 48.76 A 4241719 I See Common Stock, $.10 par value 2006-01-17 4 P 0 300 48.77 A 4242019 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.82 A 4242119 I See Common Stock, $.10 par value 2006-01-17 4 P 0 700 48.84 A 4242819 I See Common Stock, $.10 par value 2006-01-17 4 P 0 200 48.85 A 4243019 I See Common Stock, $.10 par value 2006-01-17 4 P 0 500 48.87 A 4243519 I See Common Stock, $.10 par value 2006-01-17 4 P 0 1100 48.88 A 4244619 I See Common Stock, $.10 par value 2006-01-17 4 P 0 200 48.90 A 4244819 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.92 A 4244919 I See Common Stock, $.10 par value 2006-01-17 4 P 0 600 48.93 A 4245519 I See Common Stock, $.10 par value 2006-01-17 4 P 0 300 48.94 A 4245819 I See Common Stock, $.10 par value 2006-01-17 4 P 0 500 48.96 A 4246319 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 48.97 A 4246419 I See Common Stock, $.10 par value 2006-01-17 4 P 0 400 48.99 A 4246819 I See Common Stock, $.10 par value 2006-01-17 4 P 0 1800 49.00 A 4248619 I See Common Stock, $.10 par value 2006-01-17 4 P 0 500 49.43 A 4249119 I See Common Stock, $.10 par value 2006-01-17 4 P 0 100 49.59 A 4249219 I See Common Stock, $.10 par value 2006-01-17 4 P 0 181 49.61 A 4249400 I See These shares are owned by Clayton Williams Partnership, Ltd., a family limited partnership (4,054,616 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 2006-01-19