CORRECTING and REPLACING McDermott to Participate at Upcoming Investor Conference

First sentence should read: McDermott International, Inc. (NYSE: MDR) (“McDermott” or the “Company”) announced today that the Company is scheduled to present at the Johnson Rice Energy Conference in New Orleans on Tuesday, September 30, 2014 at 1:35 pm Central Daylight Time (instead of 4:05 pm Central Daylight Time).

The corrected release reads: 

MCDERMOTT TO PARTICIPATE AT UPCOMING INVESTOR CONFERENCE

McDermott International, Inc. (NYSE: MDR) (“McDermott” or the “Company”) announced today that the Company is scheduled to present at the Johnson Rice Energy Conference in New Orleans on Tuesday, September 30, 2014 at 1:35 pm Central Daylight Time.

A live and archived webcast of both presentations and the accompanying presentation materials will be available for a limited time over the internet at www.mcdermott.com in the investor relations section beginning at the respective scheduled times.

ABOUT McDERMOTT

McDermott is a leading provider of integrated engineering, procurement, construction and installation (EPCI) services for upstream field developments worldwide. The Company delivers fixed and floating production facilities, pipelines and subsea systems from concept to commissioning for complex Offshore and Subsea oil and gas projects to help oil companies safely produce and transport hydrocarbons. Our clients include national and major energy companies. Operating in more than 20 countries across the world, our locally focused and globally integrated resources include approximately 14,000 employees, a diversified fleet of specialty marine construction vessels, fabrication facilities and engineering offices. We are renowned for our extensive knowledge and experience, technological advancements, performance records, superior safety and commitment to deliver. McDermott has served the energy industry since 1923 and is listed on the New York Stock Exchange.

To learn more, please visit our website at www.mcdermott.com.