Petroleum Geo-Services ASA: Mandatory Notification of Trade

Richard Herbert, Board member of Petroleum Geo-Services ASA ("PGS" or "the
Company"), has on June 29, 2018 bought 3 500 ADRs in PGS at a price of USD 4.70
per ADR. Following the transaction, Richard Herbert owns 3 500 ADRs in PGS.

This information is subject of the disclosure requirements acc. to §5-12 vphl
(Norwegian Securities Trading Act)