Clayton Williams Energy, Inc. 2nd Quarter Results Conference Call; Friday, August 9, 2002, 12:00 p.m. EDT, 11:00 a.m. CDT

Business Wire, August 5, 2002

Business Editors

MIDLAND, Texas--(BUSINESS WIRE)--August 5, 2002

Clayton Williams Energy, Inc. (NASDAQ: CWEI), will hold its quarterly conference call to discuss second quarter results on Friday, August 9, 2002, at 12:00 p.m. Eastern Time (11:00 a.m. Central Time). CWEI expects to issue the news release sometime after the market closes on Thursday, August 8th.

This call is being webcast by CCBN and can be accessed at CWEI's web site at www.claytonwilliams.com (click on "Investors").

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.