EXHIBIT 99.1





Acergy S.A. announces Extraordinary General
 Meeting of Shareholders


London, England – November 18, 2010– Acergy S.A. (NASDAQ-GS: ACGY; Oslo Stock Exchange: ACY) (“the Company”) announces an Extraordinary General Meeting of Shareholders (the “Meeting”) to be held on Monday December 20, 2010 at 12.00 p.m. local time at the offices of SGG S.A., 412F, route d’Esch, L-2086 Luxembourg.
 
 The sole purpose of the Meeting is to appoint Mr. Bob Long as the ninth Director of the Board of Subsea 7 S.A..  Mr. Long, formerly Chief Executive Officer and Director of Transocean Ltd. has extensive knowledge and experience of the offshore oil services industry, including involvement in four major mergers which made Transocean the leader in the offshore drilling industry. His appointment as an independent Non-executive Director is proposed and endorsed jointly by the Chairmen of Acergy S.A. and Subsea 7 Inc..
 
 At this Meeting there is no requirement for quorum and Mr. Long’s appointment will require a simple majority of the votes cast to be approved.
 
 All shareholders of record as of November 23, 2010 will be entitled to vote at this Meeting. The Notice of Meeting will be distributed to eligible shareholders no later than November 29, 2010.  The deadline for submission of votes for holders of American Depositary Shares is Thursday December 9, 2010 and for holders of Common Shares is Monday December 13, 2010.
  
 Contact:
 Karen Menzel
 Acergy S.A.
 +44 (0)20 8210 5568
 karen.menzel@acergy-group.com
 www.acergy-group.com
 
 If you no longer wish to receive our press releases please contact: karen.menzel@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.  These forward-looking statements include, but are not limited to statements as to the calling of an extraordinary general meeting of shareholders, the date and purpose of this meeting and the date of publication of the notice of meeting to eligible shareholders on said record date. 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: actions by regulatory authorities or other third parties; unanticipated costs and difficulties related to the integration of Acergy S.A. and Subsea 7 Inc. and our ability to achieve benefits therefrom; unanticipated delays, costs and difficulties related to the combination transaction, including satisfaction of closing conditions; 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.
 
 This communication does not constitute an offer to purchase, sell, or exchange or the solicitation of an offer to sell, purchase, or exchange any securities of Subsea 7 or Acergy.