Subsea 7 - Major Shareholding Notification 2017

Subsea 7 S.A. Notification of major holdings

Luxembourg - 24 April 2017 - Subsea 7 S.A. (Oslo Børs: SUBC,

ADR: SUBCY) (the Company) announces that, on 21 April 2017,

Credit Suisse Group AG informed the Company that on 18 April

2017 the total number of voting rights in the Company

(attached to shares or through financial instruments) held

by Credit Suisse Group AG reached 14,494,846 representing

4.43% of the voting rights in the Company, thereby crossing

below the 5% threshold provided for by Luxembourg's

Transparency Law of 11 January 2008 on transparency

requirements for issuers of securities.

5,519,879 voting rights in the Company held by Credit Suisse

Group AG were attached to shares, 8,220,359 were attached to

financial instruments according to article 12(1)(a) of the

Transparency Law and 754,608 were attached to financial

instruments with similar economic effect according to

article 12(1)(b) of the Transparency Law.

A copy of the notification received from Credit Suisse Group

AG is available on the Subsea 7 website www.subsea7.com.

*************************************************************

Subsea 7 S.A. is a leading global contractor in seabed-to-

surface engineering, construction and services to the

offshore energy industry. We provide technical solutions to

enable the delivery of complex projects in all water depths

and challenging environments.

*************************************************************

Contact:

Isabel Green

Investor Relations Director

Subsea 7 S.A.

Tel +44 (0)20 8210 5568

AI assistant