X0202 4 2008-03-04 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 2008-03-04 4 P 0 40 38.10 A 1259643 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.13 A 1259743 I See Common Stock, $.10 par value 2008-03-04 4 P 0 200 38.20 A 1259943 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.21 A 1260043 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.28 A 1260143 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.29 A 1260243 I See Common Stock, $.10 par value 2008-03-04 4 P 0 110 38.31 A 1260353 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.33 A 1260453 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.34 A 1260553 I See Common Stock, $.10 par value 2008-03-04 4 P 0 160 38.35 A 1260713 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.37 A 1260813 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.43 A 1260913 I See Common Stock, $.10 par value 2008-03-04 4 P 0 300 38.48 A 1261213 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.52 A 1261313 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.53 A 1261413 I See Common Stock, $.10 par value 2008-03-04 4 P 0 200 38.57 A 1261613 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.65 A 1261713 I See Common Stock, $.10 par value 2008-03-04 4 P 0 115 38.72 A 1261828 I See Common Stock, $.10 par value 2008-03-04 4 P 0 200 38.73 A 1262028 I See Common Stock, $.10 par value 2008-03-04 4 P 0 200 38.75 A 1262228 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 38.76 A 1262328 I See Common Stock, $.10 par value 2008-03-04 4 P 0 200 38.96 A 1262528 I See Common Stock, $.10 par value 2008-03-04 4 P 0 190 39.10 A 1262718 I See Common Stock, $.10 par value 2008-03-04 4 P 0 100 39.11 A 1262818 I See The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 Purchase Plan adopted by CW Stock Holdco, L.P. on February 14, 2008. The Reporting Person is the sole member of CW Stock Holdco, G.P., L.L.C., which is the general partner of CW Stock Holdco, L.P. These shares are held as follows: CW Stock Holdco, L. P. (15,330 shares) and CWPLCO, Inc. (1,247,488), a wholly owned subsidiary of the Reporting Person /s/ Clajon Holding Corporation by L. Paul Latham, Vice President 2008-03-06