Subsea 7 S.A. Share buyback

Luxembourg - April 19, 2012 - Subsea 7 S.A. (Oslo
Børs: SUBC) (the "Company"). On April 18, 2012 the
Company purchased 247,500 of its shares at an average
price of NOK 147.06 per share. This represents
approximately 0.07% of the Company's issued share
capital.

The shares were purchased in accordance with the
Company's share repurchase programme previously
announced on March 16, 2012. The shares have been
acquired on the Oslo Børs according to the authority
granted by the Board.

As at April 18, 2012, Subsea 7 S.A. held indirectly
12,932,754 treasury shares representing 3.68% of the
total number of issued shares. In addition, 914,000
shares were held in an employee benefit trust to
support the 2009 Long-Term Incentive Plan and a
further 1,707,985 shares were held in a separate
employee benefit trust to support the restricted
stock award plan. Total shares in issue, including
treasury shares, were 351,793,731.

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Subsea 7 S.A. is a seabed-to-surface engineering,
construction and services contractor to the offshore
energy industry worldwide. We provide integrated
services, and we plan, design and deliver complex
projects in harsh and challenging environments.
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For further information, please contact:
Karen Menzel
Subsea 7 S.A.
+44 (0)20 8210 5568
karen.menzel@subsea7.com
www.subsea7.com

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