Petroleum Geo-Services ASA : Mandatory Notification of Trade


January 12, 2012: Oslo, Norway, Petroleum Geo-Services ASA ('PGS' or the
'Company') advises that the Company has  re-purchased a total of $ 4,000,000 of
nominal value of its Convertible Bonds (the CBs') with ISIN NO 0010402761 at a
price of 99.75% of nominal value.

Following today's transaction PGS owns $219,400,000 of CBs representing
54.9% of the total outstanding issue, and 1,223,921 shares.
FOR DETAILS, CONTACT:

 Bård Stenberg, Investor Relations Manager
 Phone:   +47 67 51 43 16
 Mobile: +47 99 24 52 35

 Tore Langballe, SVP Corporate Communications
 Phone:   +47 67 51 43 75
 Mobile: +47 90 77 78 41

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