McDermott Announces Successful Completion of Ayatsil-B Drilling Platform in Bay of Campeche

McDermott International, Inc. (NYSE: MDR) (“McDermott”) is pleased to announce the successful completion of the Ayatsil-B Drilling Platform for PEMEX Exploración y Producción in the Bay of Campeche Ayatsil field.

McDermott successfully delivers Ayatsil-B drilling platform to PEMEX from its Altamira fabrication yard. (Photo: Business Wire)

McDermott was awarded the contract in 2012 and provided engineering, procurement, fabrication, pre-commissioning, load-out and sea fastening of the Ayatsil-B eight-leg jacket and deck, weighing approximately 11,535 tonnes in water 115 meters deep.

“McDermott is proud to successfully deliver this jacket and deck to PEMEX,” said David Dickson, President and Chief Executive Officer. “During the project, more than 540 personnel at our Altamira yard worked safely to complete the structure for the growing Mexican offshore market.”

McDermott completed the engineering from its network of specialist in-house engineers in Houston and Mexico City, with fabrication from its yard in Altamira, Mexico.

McDermott is contracted to provide training for PEMEX personnel for operation and maintenance of the Ayatsil-B facility. The platform is one of four to be used, along with an FPSO, to develop heavy oil from the Ayatsil field in the Bay of Campeche.

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.Investors & Financial MediaSteve Oldham, 1 [e-mail], General & Local MediaLouise Denly, +1 [e-mail]