ASKER, NORWAY (9 May 2018) - Following the authorization from the Annual General Meeting on 8 May 2018, the Board of TGS NOPEC Geophysical Company ASA has resolved to distribute a quarterly dividend of the NOK equivalent of USD 0.20 per share (NOK 1.62 per share).

Key information relating to the cash dividend:

Dividend amount and declared currency: USD 0.20 per share (equivalent to NOK 1.62 per share)

Last trading day including right: 15 May 2018

Ex-date: 16 May 2018

Record date: 17 May 2018

Payment date: 30 May 2018

Date of approval: 8 May 2018