CWEI Clayton Williams Energy, Inc.

Clayton Williams Energy, Inc. (NASDAQ:CWEI), has changed the date of its fourth quarter and year end 2005 results conference call to Tuesday, March 7, 2006 at 2:30 p.m. Eastern Time (1:30 p.m. Central Time). CWEI expects to issue the news release sometime before the market opens on Tuesday, March 7, 2006. -0- *T Dial In - 800-901-5213 Passcode - 59083952 *T A replay of the call will be available from 4:30 p.m. ET on March 7th until March 14th. To listen to the replay dial 888-286-8010 and enter passcode 32068987. This call is being webcast by CCBN and can be accessed at CWEI's website at www.claytonwilliams.com (click on "Investors"). The event will be archived for 90 days following the call. The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com). Clayton Williams Energy, Inc. is an independent energy company located in Midland, Texas.