Mandatory Notification of Trade

Walter Qvam, Chairperson of the Board of Petroleum Geo-Services ASA ("PGS" or "the Company"), has on October 31, 2017 bought 25 000 shares in PGS at a price of NOK 12.17 per share.

Following the transaction, Walter Qvam owns 25 000 shares in PGS.

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