CORRECTING and REPLACING McDermott Wins PETRONAS Safe Contractor of the Year Award

Please replace the release dated March 17, 2014, with the following corrected version due to multiple revisions.

McDermott is proud to receive PETRONAS Safety Award (Photo: Business Wire)

The corrected release reads:

MCDERMOTT WINS PETRONAS SAFE CONTRACTOR OF THE YEAR AWARD

McDermott International, Inc. (NYSE: MDR) (“McDermott”) was recently awarded “Best Contractor HSE Performer, 2013” by Malaysia's fully integrated petroleum company, PETRONAS, for work performed on its Kepodang Gas Development Project.

“Industry recognition is the best way to demonstrate the success of McDermott’s Health, Safety, Environment and Security (“HSES”) culture,” said David Dickson, President and Chief Executive Officer. “McDermott has an exemplary safety record within the offshore industry and strives for continual improvement and this recognition demonstrates the commitment we have to safety and our clients’ acknowledgment of the importance of safety during project execution.”

Work performed on the Kepodang Gas Development Project included procurement, construction, installation and commissioning for a central production platform, a well head module, a satellite wellhead tower, 2.7 kilometers of infield flow lines and an onshore receiving facility.

“McDermott management and the Kepodang Project Team are extremely proud and honored to be recognized by PETRONAS,” said Setio Hangodo, Project Director, who accepted the award at a recent ceremony on behalf of McDermott. “It shows that McDermott and PETRONAS are aligned with HSES objectives and targets.”

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.

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McDermott International, Inc.Trade, General & Local MediaLouise Denly, [e-mail]