ASKER, NORWAY (16 May 2014) - Item 13 in the Notice of Ordinary General Meeting to be held on 3 June 2014 proposes the approval of a Long-Term Incentive Stock Plan and Resolution to issue Free-Standing Warrants.  Information regarding this proposal is repeated herein with further clarification of.

ASKER, NORWAY (9 May 2014) - The TGS Ordinary General Meeting will be held on 3 June 2014 at Hotel Continental, Stortingsgata 24/26 in Oslo at 17:00 CET. Registration of attendees will begin at 16:30 CET.

HOUSTON (7 May 2014) - TGS announces the expansion of multi-client 2D surveys offshore Eastern Canada with plans to acquire more than 30,000 km of seismic data, in partnership with PGS, utilizing two vessels during the 2014 acquisition season.