ASKER, NORWAY (16 April 2018) - The 2018 annual general meeting of TGS-NOPEC Geophysical Company ASA ("TGS" or the "Company") will be held on 8 May 2018 at the offices of Schjødt law firm at Ruseløkkveien 16, in Oslo at 17:00 CET.
Registration of attendees will begin at 16:30 CET.
The notice for the annual general meeting is attached hereto (English andNorwegian), together with relevant appendices. The notice will be sent to all registered shareholders per 16 April 2018.
To register your attendance, send proxy or to cast your vote electronically in advance through VPS Investor Services, please use the electronic linkhere and available onwww.tgs.com. The pin code and reference number, which are sent out with the notice, will be needed. Kindly note that shareholders that have received the notice electronically will not receive and do not need a pin code or reference number, but must submit their notice of attendance, proxy or advance votes through their online investor account services (investortjenester).
Online registration will open on 16 April 2017 at 14:00 CET.