EXHIBIT 99.1

McDermott Appoints Dennis Baldwin as Vice President and Chief Accounting Officer

    HOUSTON--(BUSINESS WIRE)--Oct. 18, 2007--McDermott International,
Inc. (NYSE:MDR) ("McDermott" or the "Company") announced today that
Dennis S. Baldwin has joined the Company as Vice President and Chief
Accounting Officer. In this role, Mr. Baldwin replaces Michael S.
Taff, who was appointed Senior Vice President & Chief Financial
Officer in April 2007.

    With 23 years of financial and accounting experience, Baldwin
comes to McDermott from Integrated Electrical Services where he served
as Chief Accounting Officer. Prior to Integrated Electrical Services,
Baldwin served as vice president and corporate controller for two
energy service companies, Veritas DGC, Inc. and Universal Compression
Holdings, Inc. In addition, Baldwin held a variety of financial and
accounting roles at Cemex, Cooper Industries and Price Waterhouse.
Baldwin holds a Bachelor of Business Administration degree in
Accounting from Sam Houston State University, a Master of Business
Administration degree from the University of Houston, and is a
Certified Public Accountant in Texas.

    "We are pleased to welcome Dennis to McDermott," said Mike Taff,
Senior Vice President and Chief Financial Officer of McDermott. "His
background and experience will be a valuable addition to our financial
management team."

    McDermott is an engineering and construction company, with
specialty manufacturing and service capabilities, focused on energy
infrastructure. McDermott's customers are predominantly utilities and
other power generators, major and national oil companies, and the
United States Government. With its global operations, McDermott
operates in over 20 countries with more than 20,000 employees, and can
be found on the internet at www.mcdermott.com.

    CONTACT: McDermott International, Inc.
             Investor Relations & Corporate Communications
             Jay Roueche or Robby Bellamy, 281-870-5011