ASKER, NORWAY--(Marketwire - February 1, 2010) - TGS is pleased to announce the appointment of Kristian Johansen as the company's new Chief Financial Officer. The effective date of Mr. Johansen's employment will be announced later.

Most recently, Mr. Johansen was the Executive Vice President and CFO of EDB Business Partner in Oslo, which is one of the largest IT groups in the Nordic region. Mr. Johansen also has experience in the construction, banking, and oil industries. A native of Norway, Kristian earned his undergraduate and master's degrees in business administration from the University of New Mexico in 1998 and 1999.

In announcing the appointment, Robert Hobbs, Chief Executive Officer of TGS commented, "I am pleased to have Kristian join our executive team. He not only brings to TGS a broad range of experience but he also has a proven record for financial oversight, investor relations and treasury activities. We look forward to his contribution towards the continued success and growth of TGS."

TGS' current Chief Financial Officer, Arne Helland, will continue in his role, as previously announced, until May 1, 2010, facilitating a smooth transition.

"We thank Arne for his dedication and leadership during a period of remarkable growth for TGS," said Hobbs. "I am personally grateful for Arne's contributions to TGS and we wish him success in his future endeavors."

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

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).

Contact Information: For additional information about this news release please contact: Karen El-Tawil VP, Business Development Tel: +1 713 860 2100 Email: Arne Helland Chief Financial Officer Tel: +47 66 76 99 31/+47 91 88 78 29 Email: