TGS annual report 2016 ASKER, Norway, April 11,

ASKER, Norway, April 11, 2017 (GLOBE NEWSWIRE) -- TGS publishes its annual report for 2016, including a Corporate Sustainability Report and Declaration of Executive Remuneration.

The report can be downloaded from  www.newsweb.no or by clicking  here .

“We are pleased to release our Annual Report for 2016 and on behalf of the TGS family, I would like to thank our shareholders and clients for their continued confidence in us. I would also like to thank our employees for all of the hard work, passion and client focus during a challenging year in our industry,” commented Kristian Johansen, CEO for TGS.

The TGS Annual Report 2016 is available at: http://www.globenewswire.com/NewsRoom/Attachm...b4389e326c

The TGS Corporate Social Responsibility Report 2016 is available at:  http://www.globenewswire.com/NewsRoom/Attachm...2098c1b342

The TGS 2016 Declaration of Executive Remuneration is available at: http://www.globenewswire.com/NewsRoom/Attachm...a4ff5830d4

Company Summary

TGS-NOPEC Geophysical Company (TGS) provides multi-client geoscience data to oil and gas Exploration and Production companies worldwide.  In addition to extensive global geophysical and geological data libraries that include multi-client seismic data, magnetic and gravity data, digital well logs, production data and directional surveys, TGS also offers advanced processing and imaging services, interpretation products, and data integration solutions.

For more information visit TGS online at www.tgs.com .

Forward-looking statements and contact information

All statements in this press release other than statements of historical fact are forward-looking statements, which are subject to a number of risks, uncertainties and assumptions that are difficult to predict, and are based upon assumptions as to future events that may not prove accurate. These factors include TGS' reliance on a cyclical industry and principle customers, TGS' ability to continue to expand markets for licensing of data, and TGS' ability to acquire and process data products at costs commensurate with profitability. Actual results may differ materially from those expected or projected in the forward-looking statements. TGS undertakes no responsibility or obligation to update or alter forward-looking statements for any reason.

TGS-NOPEC Geophysical Company ASA is listed on the Oslo Stock Exchange (OSLO: TGS ).

TGS sponsored American Depositary Shares trade on the U.S. over-the-counter market under the symbol "TGSGY".

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.

For additional information about this press release please contact: Sven Børre Larsen Chief Financial Officer Tel: +47 90 94 36 73 Email: sven.larsen@tgs.com Will Ashby VP HR & Communication Tel: +1 713 860 2184 Email: will.ashby@tgs.com