Petroleum Geo-Services ASA: Mandatory Notification of Trade

Gottfred Langseth, EVP & CFO of Petroleum Geo-Services ASA ("PGS" or "the
Company"), has on October 31, 2017 bought 40 000 shares in PGS at a price of NOK
12.20 per share.

Following the transaction, Gottfred Langseth owns 190 106 shares in PGS. He also
holds 90 000 PRSUs and 45 000 RSUs in the Company.



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