McDermott to Participate at Johnson Rice Energy Conference

  McDermott to Participate at Johnson Rice Energy Conference

Business Wire

HOUSTON -- September 28, 2012

McDermott International, Inc. (NYSE: MDR) (“McDermott”) announced today that
Stephen M. Johnson, McDermott’s Chairman of the Board, President and Chief
Executive Officer, is scheduled to present at the 4^th Annual Johnson Rice
Energy Conference in New Orleans, Louisiana on Tuesday, October 2, 2012 at
8:00 a.m. central time.

McDermott invites shareholders and other interested parties to participate in
Mr. Johnson’s presentation, which will include a general company overview and
update on vessel strategy, by listening to the audio presentation combined
with the associated slides, both of which will be available live, and 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.

Contact:

McDermott International, Inc.
Jay Roueche, (281) 870-5462
Vice President
roueche@mcdermott.com