TGS : TGS Announces Three New Offshore Multi-client Surveys

         TGS : TGS Announces Three New Offshore Multi-client Surveys

ASKER (1 August 2013) - TGS announces three new multi-client surveys; a 3D
survey in UK West of Shetlands and two 2D surveys offshore

Rona Ridge 2013 (RR13) is a 2,420 km^2 3D survey that willprovide the
industry's first 3D data in the highly prospective UK West Shetland Basin.
Data processing will be performed by TGS with initial data available to
clients in Q4 2013 ahead of the UK 28^th Licensing Round.

The Labrador Sea Deep Basin 2D survey covering 3,000 km and the Labrador Sea
2D Infill survey covering 7,100 km will complement and infill the existing
22,167 km of 2D data acquired in 2011 and 2012. These surveys will further
define and delineate the Henley, Chidley and Holton Basins. Both surveys will
be acquired in partnership with PGS and utilize the PGS GeoStreamer^®
technology. Data acquisition will commence in August 2013 and initial data
will be available to clients Q2 2014.

All three surveys are supported by industry funding.

Company summary

TGS-NOPECGeophysical 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 visitTGS online

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

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

Will Ashby
Director Investor Relations and M&A
Tel: +1 713 860 2184

This information is subject of the disclosure requirements acc. to §5-12 vphl
(Norwegian Securities Trading Act)


This announcement is distributed by Thomson Reuters on behalf of Thomson
Reuters clients.

The owner of this announcement warrants that:
(i) the releases contained herein are protected by copyright and other
applicable laws; and
(ii) they are solely responsible for the content, accuracy and originality of
information contained therein.

Source: TGS via Thomson Reuters ONE
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