TGS ASA — Board/Management Information 2014

Dec 17, 2014

TGS Announces Planned Leadership Change

TGS Announces Planned Leadership Change

ASKER, NORWAY (17 December 2014) - The Board of TGS is pleased to announce the

appointment of Kristian Johansen to the newly created role of Chief Operating

Officer (COO), effective 1 February 2015.

Kristian joined TGS in 2010 as Chief Financial Officer. Prior to joining TGS,

Kristian was the Executive Vice President and CFO of EDB Business Partner in

Oslo, one of the largest IT groups in the Nordic region. Mr. Johansen also has

experience in the construction, banking and oil industries. A native of Norway,

Kristian earned his undergraduate and Master's degrees in business

administration from the University of New Mexico in 1998 and 1999.

"I am excited to see Kristian take this new role for TGS", stated Robert Hobbs,

TGS Chief Executive Officer.  "As we have grown to be one of the largest

geoscience data companies in the world, Kristian has served an important role in

assuring that our Company has appropriate financial controls and processes. He

will now take the lead in assuring that we continue to grow the highest quality

data library in the industry. This new appointment will allow me to focus on

long-term strategic development of the Company in my capacity as CEO".

Kristian will hold the dual role of COO/CFO until a new CFO is appointed.

This information is subject of the disclosure requirements acc. to §5-12 vphl

(Norwegian Securities Trading Act)

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, permanent reservoir monitoring 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 principal 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".

For additional information about this press release please contact:

Kristian Johansen

Chief Financial Officer

Cell: +47 47 60 33 34

Email: kristian.johansen@tgs.com

Will Ashby

Director Finance Western Hemisphere & Investor Relations

Tel: +1 713 860 2184

Email: will.ashby@tgs.com

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