Mandatory Notification of Trade

Robert Hobbs, Chief Executive Officer of TGS-NOPEC Geophysical Company ASA
("TGS"), has on Monday, 3 August 2015 acquired 2,500 shares in TGS to a price of
NOK 171.55 per share. Robert Hobbs owns after this purchase a total of 34,250
shares in TGS.

This information is subject to the disclosure requirements pursuant to section
5-12 of the Norwegian Securities Trading Act.



[HUG#1943385]