[GRAPHIC OMITTED] Acergy

                          Acergy S.A. Management Change

London, England - April 15, 2009 - Acergy S.A. (NASDAQ-GS: ACGY; Oslo Stock
Exchange: ACY) announced today that Stuart Jackson, Chief Financial Officer
since April 2003 has resigned to take up a new position as Chief Financial
Officer and Executive Director at COLT Telecom Group S.A. (COLT). Mr. Jackson is
expected to leave Acergy at the end of the third quarter 2009.

The Board has appointed search agents to assist in identifying candidates for
the Chief Financial Officer position.

Jean Cahuzac, Chief Executive Officer, Acergy said: "I would like to extend my
thanks and those of the Board to Stuart for his commitment and invaluable
contribution over the past six years. Stuart has been an integral part of the
team which transformed the Group's fortunes, positioning Acergy as a global
leader in the offshore engineering and construction market. I wish him well with
the next stage of his career."

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Acergy S.A. is a seabed-to-surface engineering and construction contractor to
the offshore oil and gas industry worldwide. We provide integrated services, and
we plan, design and deliver complex projects in harsh and challenging
environments.
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Contact:
Karen Menzel
Acergy S.A.
+44 (0)20 8210 5568
karen.menzel@acergy-group.com
www.acergy-group.com

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kelly.good@acergy-group.com

Forward-Looking Statements: Certain statements made in this announcement may
include "forward-looking statements" within the meaning of Section 27A of the
Securities Act and Section 21E of the US Securities Exchange Act of 1934. These
statements may be identified by the use of words like "anticipate," "believe,"
"estimate," "expect," "intend," "may," "plan," "forecast", "project," "will,"
"should," "seek," and similar expressions. The forward-looking statements
reflect our current views and assumptions and are subject to risks and
uncertainties. The following factors, and others which are discussed in our
public filings and submissions with the U.S. Securities and Exchange Commission,
are among those that may cause actual and future results and trends to differ
materially from our forward-looking statements: our ability to recover costs on
significant projects; the general economic conditions and competition in the
markets and businesses in which we operate; our relationship with significant
clients; the outcome of legal proceedings or governmental enquiries;
uncertainties inherent in operating internationally; the timely delivery of
ships on order and the timely completion of ship conversion programmes; the
impact of laws and regulations; and operating hazards, including spills and
environmental damage. Many of these factors are beyond our ability to control or
predict. Given these factors, you should not place undue reliance on the
forward-looking statements.