CORRECTED: Clayton Williams Energy, Inc. Q1 2009 Results Conference Call.

Tuesday, May 5, 2009, 3:30 p.m. EDT (2:30 p.m. CDT)

MIDLAND, Texas -- Clayton Williams Energy, Inc. (NASDAQ:CWEI), will hold its first quarter results conference call on Tuesday, May 5, 2009, at 3:30 p.m. Eastern Time (2:30 p.m. Central Time). CWEI expects to issue the news release sometime before the market opens on Tuesday, May 5, 2009.

Dial In - 800-901-5213

Passcode - 70520967

A replay of the call will be available from 5:30 p.m. ET on May 5th until May 12th. To listen to the replay dial 888-286-8010 and enter passcode 36005074.

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