TGS Announces New Multi-client 3D Survey in the North Viking Graben

ASKER, NORWAY (7 July 2010) - TGS has commenced a new multi-client 3D survey in partnership with PGS. This project, NVG10, covers a 3,500 km(2) area in the North Viking Graben area of the Norwegian North Sea. The project is being acquired by the PGS Atlantic Explorer and utilizes PGS' GeoStreamer® Technology. "Substantial customer interest has encouraged a second consecutive year of data collection in this area, allowing TGS and PGS to continue building on the successful North Viking Graben multi-client 3D project acquired in 2009 with PGS," stated Kjell Trommestad, VP and General Director, Europe for TGS. The NVG10 multi-client 3D survey is supported by industry funding and data from the survey will be available for customers from Q2-2011.   Company summary   TGS-NOPEC Geophysical Company (TGS) provides global geoscience data products and services to the oil and gas industry for the exploration and delineation of hydrocarbon reserves.  We design and acquire multi-client data projects worldwide that make up our data library of seismic, gravity/magnetic and well data, enhanced by our seismic imaging technology and regional interpretation expertise.  Visit TGS online at www.tgsnopec.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 news release please contact: Karen El-Tawil VP, Business Development Office: +1 713 860 2102 Cell +1 713 806 2420 Email:karen.el-tawil@tgsnopec.com Kjell E. Trommestad VP & General Director, Europe Tel: +47 66 76 99 61 Email:kjell.trommestad@tgsnopec.no Kristian Johansen Chief Financial Officer Mobile: +47 47 60 33 34 Email:kristian.johansen@tgsnopec.com This information is subject of the disclosure requirements acc. to §5-12 vphl (Norwegian Securities Trading Act) [HUG#1429453] NVG10 Map: http://hugin.info/86869/R/1429453/376874.pdf 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 the information contained therein. All reproduction for further distribution is prohibited. Source: TGS via Thomson Reuters ONE