X0202 4 2006-01-04 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 2006-01-04 4 P 0 400 42.71 A 4172381 I See Common Stock, $.10 par value 2006-01-04 4 P 0 300 42.72 A 4172681 I See Common Stock, $.10 par value 2006-01-04 4 P 0 177 42.73 A 4172858 I See Common Stock, $.10 par value 2006-01-04 4 P 0 100 42.77 A 4172958 I See Common Stock, $.10 par value 2006-01-04 4 P 0 937 42.79 A 4173895 I See Common Stock, $.10 par value 2006-01-04 4 P 0 200 42.80 A 4174095 I See Common Stock, $.10 par value 2006-01-04 4 P 0 200 42.84 A 4174295 I See Common Stock, $.10 par value 2006-01-04 4 P 0 300 42.85 A 4174595 I See Common Stock, $.10 par value 2006-01-04 4 P 0 300 42.86 A 4174895 I See Common Stock, $.10 par value 2006-01-04 4 P 0 200 42.88 A 4175095 I See Common Stock, $.10 par value 2006-01-04 4 P 0 400 42.89 A 4175495 I See Common Stock, $.10 par value 2006-01-04 4 P 0 100 42.93 A 4175595 I See Common Stock, $.10 par value 2006-01-04 4 P 0 900 42.96 A 4176495 I See Common Stock, $.10 par value 2006-01-04 4 P 0 1100 42.97 A 4177595 I See Common Stock, $.10 par value 2006-01-04 4 P 0 500 43.98 A 4178095 I See Common Stock, $.10 par value 2006-01-04 4 P 0 1064 43.00 A 4179159 I See Common Stock, $.10 par value 2006-01-04 4 P 0 150 43.06 A 4179309 I See Common Stock, $.10 par value 2006-01-04 4 P 0 200 43.09 A 4179509 I See Common Stock, $.10 par value 2006-01-04 4 P 0 100 43.21 A 4179609 I See Common Stock, $.10 par value 2006-01-04 4 P 0 200 43.29 A 4179809 I See These shares are owned by Clayton Williams Partnership, Ltd., a family limited partnership (3,985,025 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 2006-01-06