TGS-NOPEC - TGS Announces Upcoming Investor Relations Event


Asker, Norway (13 April 2007) - TGS-NOPEC Geophysical Company ASA (OSLO: TGS) announces its upcoming Capital Markets Day in Houston, Texas. TGS will host their event at the Magnolia Hotel downtown Houston on Thursday, May 3rd from 9:30am to 1:00pm. 
 
The event will be open to all interested investors, press and analysts and held in conjunction with the Offshore Technology Conference.  Presentations will be made by senior business unit managers and will cover a wide range of TGS operating activities.
 
For more information about this event or to RSVP, please contact Shannon Morolez at +1 713 860-2103 or smorolez@tgsnopec.com.  The slides from the presentations will be available for view in PDF format for a limited amount of time after each event on the TGS website, www.tgsnopec.com

TGS-NOPEC Geophysical Company (TGS) is a leading global provider of multi-client geoscientific data, associated products and services to the oil and gas industry. TGS specializes in the creation of non-exclusive seismic surveys worldwide. The Company provides advanced depth imaging solutions and software through its TGS Imaging division. Well log data is available for conversion, sourcing, management and immediate delivery through TGS subsidiary, A2D Technologies. Multi-client interpretive products and subsurface consulting services are provided through the Company's Aceca subsidiary. The TGS family of companies places a strong emphasis on providing high-quality data and the highest level of service to the industry.

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 more information about this news release, please contact:

John Adamick
VP Business Development
Tel: +1 713 860-2100
Email: jada@tgsnopec.com  
 
Arne Helland
Chief Financial Officer
Tel: +47 66 76 99 31/+47 91 88 78 29