TGS Completes Acquisition of Stingray (Norway)

Reference is made to stock exchange release on 11 April 2011 regarding the TGS acquisition of Stingray Geophysical Limited.

The transaction was completed on 18 April 2011 and all outstanding shares were transferred with effect from the same date.

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.

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Source: tgsnopec , April 19, 2011;