Clayton Williams Energy Announces Expiration of the 7.75% Senior Notes Exchange Offer

Clayton Williams Energy, Inc. (NASDAQ: CWEI) announced today that its exchange offer relating to its outstanding $350,000,000 aggregate principal amount of 7.75% Senior Notes due 2019, which commenced on January 6, 2012, expired on February 7, 2012 at 5:00 p.m., New York City time. As of the expiration date, holders of $350,000,000, or 100%, of the outstanding aggregate principal amount of the Notes have tendered their Notes for exchange. The Company has accepted all Notes validly tendered and not properly withdrawn. Holders of Notes previously tendered for exchange no longer have the right to withdraw tenders of Notes.