ME Mariner Energy Inc.

Mariner Energy, Inc. (NYSE: ME) announced the cancellation of its 2010 Investor Conference originally planned for today, April 15, 2010. The cancellation results from the agreement signed today regarding Apache Corporation's acquisition of Mariner Energy.

About Mariner Energy, Inc. Mariner Energy is an independent oil and gas exploration, development, and production company headquartered in Houston, Texas, with principal operations in the Permian Basin, Gulf Coast and the Gulf of Mexico. For more information about Mariner, visit the company's website at www.mariner-energy.com.