TGS Commences Multi-Client 2D Seismic Surveys Offshore Madagascar

TGS Commences Multi-Client 2D Seismic Surveys Offshore Madagascar 
ASKER, NORWAY -- (Marketwired) -- 11/07/13 --  TGS, in partnership
with BGP, has commenced acquisition of 2D seismic, gravity and
magnetic multi-client surveys offshore Madagascar utilizing the M/V
Challenger. The surveys, MAJ-13 and MS-14, will add 7,025 km of new
2D seismic data to extend and infill the existing 33,315 km of 2D
data acquired by TGS in the region.  
Data processing will be performed by TGS using its proven
Clari-Fi(TM) broadband processing technology. Final data will be
available to clients from Q3 2014. 
The surveys are supported by industry funding. 
Company summary  
TGS-NOPEC Geophysical Company (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). 
TGS sponsored American Depositary Shares trade on the U.S.
over-the-counter market under the symbol "TGSGY". 
For additional information about this press release please contact:  
Kristian Johansen
Chief Financial Officer
Tel: +47 47 60 33 34 
Email: kristian.johansen@tgs.com 
Will Ashby 
Director Investor Relations and M&A
Tel: +1 713 860 2184
Email: will.ashby@tgs.com 
Stein Ove Isaksen
Senior VP Eastern Hemisphere
Tel: +47 66 76 99 00
Email: SteinOve.Isaksen@tgs.com