McDermott International, Inc. (NYSE: MDR) (“McDermott”) announced today that it will be participating at two investor conferences during the first week of September. Stephen M. Johnson, McDermott’s Chairman of the Board, President and Chief Executive Officer, is scheduled to present at the 2012 Barclay’s CEO Energy-Power Conference in New York City on Wednesday, September 5, 2012 at 1:05 p.m. eastern time. The following day, McDermott will also participate in the Vertical Research Partners Industrial Conference in Westbrook, CT. McDermott plans to post the slides to be used in both presentations the morning of September 5, 2012. In addition, McDermott invites shareholders and other interested parties to listen to the audio of Mr. Johnson’s Barclay’s 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 approximately 13,500 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.