Certification of the principal executive officer

EX-12.1 3 dex121.htm CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER Certification of the principal executive officer

Exhibit 12.1

CERTIFICATION

I, Tom Ehret, certify that:

I have reviewed this annual report on Form 20-F of Acergy S.A.; and

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.



Date: June 21, 2007				/S/ TOM EHRET
				Tom Ehret
				Chief Executive Officer