OSLO, NORWAY--(Marketwire - Sep 20, 2012) - TGS has been awarded the Stockman Prize for 2012. The prize is awarded annually by the Norwegian Society of Financial Analysts to the listed company that has provided the best information to the finance market.

TGS won the 2012 award in the open class, which included all companies listed on the Oslo Stock Exchange. Norwegian brokerage businesses, large institutions and the Norwegian Society of Financial Analysts' members are involved in the nomination and voting process. In their assessment of the companies, the analysts evaluate the quality of the annual report, interim reports, corporate compliance, other publications, presentations and responsiveness to inquiries, amongst other things.

The award was presented at the annual seminar of The Norwegian Association of Financial Analysts on financial reporting in Oslo on 20 September 2012.

"We are honored to receive this recognition. The Stockman Prize represents a significant effort by many within TGS, including investor relations, corporate compliance, marketing and communications, finance and the management team," stated Kristian Johansen, TGS CFO. He went on to say, "TGS will continue to provide prompt and relevant information to the financial market and strive for additional improvement in communications. These unending initiatives will allow us to maintain the level of excellence represented by this prestigious award."

Company summary 

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).