Subsea 7 — AGM Information 2014

May 21, 2014

Subsea 7 S.A. notification of 2014 Annual General Meeting

Luxembourg - 21 May 2014 - Subsea 7 S.A. (Oslo Børs: SUBC; the Company) today announced that its 2014 Annual General Meeting of Shareholders (the AGM) will be held on Friday 27 June 2014 at 15:00 (local time) at the Company's registered office, 412F, route d'Esch, L-2086 Luxembourg.

Shareholders of record at the close of business on Tuesday 27 May 2014 will be entitled to vote at the AGM.

If the AGM approves the proposed payment of a dividend of NOK 3.60 per common share, the shareholders who will be entitled to such dividend will be those who are shareholders of record as of Wednesday 2 July 2014. The first trading date ex-dividend will be Monday 30 June 2014. The date of payment of dividend will be Thursday 10 July 2014.

************************************** 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. ***************************************

Contact: Keith Russell Investor Relations Director Subsea 7 S.A. Tel +44 (0)20 8210 5568 keith.russell@subsea7.com www.subsea7.com

Forward-Looking Statements: Certain statements made in this announcement may include 'forward-looking statements'. These statements may be identified by the use of words like 'anticipate', 'believe', 'could', 'estimate', 'expect', 'forecast', 'intend', 'may', 'might', 'plan', 'predict', 'project', 'scheduled', 'seek', 'should', 'will', and similar expressions. The forward-looking statements reflect our current views and are subject to risks, uncertainties and assumptions. The principal risks and uncertainties which could impact the Company and the factors which could affect the actual results are described but not limited to those in the 'Risk factors' section in the Company's Annual Report and Consolidated Financial Statements for the year ended 31 December 2013. These factors, and others which are discussed in our public announcements, 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; 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 and administrative 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. Other unknown or unpredictable factors could also have material adverse effects on our future results. Given these factors, you should not place undue reliance on the forward-looking statements.