Marine Energy Completes Exchange Offer

Mariner Energy, Inc. reported late Wednesday that it has completed its offer to exchange all of its privately placed 7 1/2% Senior Notes due 2013. In completing the exchange offer, Mariner issued $300,000,000 aggregate principal amount of its 7 1/2% Senior Notes due 2013 in a transaction registered under the Securities Act of 1933, in exchange for the same principal amount of 7 1/2% Senior Notes due 2013 which had been issued in an April 24, 2006 private placement transaction. The exchange offer expired at 5:00 p.m., New York City time, on November 9, 2006 and was completed on November 10, 2006.

Mariner Energy, Inc. is an independent oil and gas exploration, development and production company with principal operations in the Gulf of Mexico and West Texas.