ME Mariner Energy Inc.

Mariner Energy, Inc. (NYSE: ME) announced today its participation in the following energy and investor conferences during the month of December 2009:

--  PLS Playmakers E&P Summit in Houston on December 2 with a presentation
    at 1:30 p.m. CST,
--  Jefferies Energy Summit in New York City with round table discussions
    throughout the day on December 2,
--  The Bank of America Merrill Lynch Credit Conference in New York City
    with a presentation at 8:10 a.m. EST on December 3, and
--  Capital One Southcoast's 4th Annual Energy Conference in New Orleans
    on December 9 at 3:20 p.m.
    

A PDF version of Mariner's presentation materials for these conferences will be accessible on its website at www.mariner-energy.com by selecting "Investor Information" and then "Webcasts and Presentations." Additionally, the company's presentation at the Capital One Southcoast conference will be webcast and can be accessed through the company website under "Investor Information."

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 and the Gulf of Mexico. For more information about Mariner, visit the company's website at www.mariner-energy.com.