April 9, 2010: OSLO, NORWAY, Petroleum Geo-Services ASA ("PGS" or the "Company")
will as previously announced release its first quarter 2010 results on Friday,
April 30, 2010 at approximately 8:00 am Central European Time (CET).

A presentation is scheduled the same day at 9:00 am CET at PGS' Headquarters at
Lysaker, Norway. The event will be webcasted live and available for replay
shortly after. A conference call is also scheduled the same day at 3:00 pm CET
(9:00 am ET). Contact details for this service are listed below.

The earnings release concerning the first quarter 2010 results and a
corresponding slide presentation will be posted on www.newsweb.no
and on PGS' web site www.pgs.com .

To watch the webcast over the internet, please visit PGS' web site, www.pgs.com
, at least 10 minutes early to register and to download and
install any necessary software, which is available on this link;
http://www.smartcom.no/help/help.html

To access the conference call scheduled at 3:00 pm CET (9:00 am ET), please
dial-in at the number provided below, corresponding to your location. The
conference ID is 8805174.

Location Dial-In Number

Norway (toll free) 800 19 640

International (toll) +44 (0)20 7806 1950

UK (toll free) 0800 028 1243

US (toll free) 1888 935 4575

The telephone will be open for questions at the conclusion of management's
remarks. A digital replay will be available shortly after the conference call
until Friday May 7, 2010. The access number for this service is 8805174 followed
by # (pound-sign). Please access the replay by dial-in at the number provided
below.

Location Dial-In Number

Norway (toll) +47 21 00 04 98

International (toll) +44 (0)20 7111 1244

UK (toll free) 0800 358 7735

US (toll free) 1866 932 5017

FOR DETAILS, CONTACT:

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

US Investor Services
Phone +1 281 509 8712

****
Petroleum Geo-Services is a focused geophysical company providing a broad range
of seismic and reservoir services, including acquisition, processing,
interpretation, and field evaluation. The company also possesses the world's
most extensive multi-client data library. PGS operates on a worldwide basis with
headquarters at Lysaker, Norway.

For more information on Petroleum Geo-Services visit www.pgs.com
.

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

[HUG#1401762]

Webcast and Conference Call Contact Details for PGS' First Quarter 2010 Results