TGS-NOPEC Geophysical Company ASA (TGS) Ordinary General Meeting Held

ASKER, NORWAY (05 June 2012) - The Ordinary General Meeting of TGS was held on
5 June 2012.  All resolutions proposed were approved by the shareholders.

The Ordinary General Meeting approved the payment of a dividend of NOK 6 per
share of outstanding common stock from the Company´s 2011 earnings. The dividend
will be paid to the shareholders who are registered  shareholders of TGS as of
5 June 2012. The shares in TGS will be quoted ex-dividend from 6 June 2012. The
dividend will be paid 20 June 2012.

The minutes from the Ordinary General Meeting are attached.

Company summary

TGS-NOPEC Geophysical Company (TGS) provides multi-client geoscience data and
services to oil and gas Exploration and Production companies around the globe.
TGS´ geophysical and geological data products include multi-client seismic
libraries, permanent reservoir monitoring, magnetic and gravity data, the
industry´s largest global database of digital well logs and regional
interpretive products. TGS also provides high-end depth imaging services to help
resolve complex seismic imaging problems. 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).

For additional information about this press release please contact:

Kristian Johansen
Chief Financial Officer
Cell: [phone]
Email:[e-mail]

Karen El-Tawil
VP, Business Development
Office: [phone]
Cell: [phone]
Email:[e-mail]

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

TGS OGM Meeting Minutes:
http://hugin.info/86869/R/1617549/516176.pdf

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(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 the information contained therein.

Source: TGS via Thomson Reuters ONE
[HUG#1617549]

Wertpapiere des Artikels:
NO0003078800