October 7, 2010: OSLO, NORWAY, Petroleum Geo-Services ASA ("PGS" or the
"Company") will as previously announced release its third quarter 2010 results
on Friday, October 29, 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.
Contact details for this service are listed below.

The earnings release concerning the third 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, please dial-in at the
number provided below, corresponding to your location. The conference ID is
6142491.

Location Dial-In Number

Norway (toll free) 800 19 640

International (toll) +44 (0)20 7806 1951

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 November 5, 2010. The access number for this service is 6142491
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
Mobile: +47 99 24 52 35

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 MultiClient 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#1449818]

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