McDermott to Participate at the Capital One Southcoast Energy Conference

McDermott International, Inc. (NYSE: MDR) (“McDermott”) announced today that Perry L. Elders, Senior Vice President and Chief Financial Officer, will present at the Capital One Southcoast Sixth Annual Energy Conference in New Orleans, Louisiana on Wednesday, December 7, 2011 at 1:20 p.m. Central Time.

McDermott invites shareholders and other interested parties to view the slides and listen to the audio of the presentation, either live or by replay, which will be available for a limited period of time over the internet at www.mcdermott.com in the investor relations section.

About the Company

McDermott is a leading engineering, procurement, construction and installation (“EPCI”) company focused on executing complex offshore oil and gas projects worldwide. Providing fully integrated EPCI services for upstream field developments, the Company delivers fixed and floating production facilities, pipelines and subsea systems from concept to commissioning. McDermott’s customers include national and major energy companies. Operating in approximately 20 countries across the Atlantic, Middle East and Asia Pacific, the Company’s integrated resources include more than 15,000 employees and a diversified fleet of marine vessels, fabrication facilities and engineering offices. McDermott has served the energy industry since 1923. To learn more, please visit McDermott’s website on the internet at www.mcdermott.com.