April 13, 2011: OSLO, NORWAY, Petroleum Geo-Services ASA ("PGS" or the "Company") will as previously announced release its first quarter 2011 results on Wednesday, May 4, 2011 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 corresponding conference call is also set up for the presentation scheduled at 9:00 am CET. Contact details for this service are listed below.
An additional conference call is scheduled the same day at 4:00 pm CET. Contact details for this service are listed below.
The earnings release concerning the first quarter 2011 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.
To access the conference call scheduled at 9:00 am CET, please dial-in at the number provided below, corresponding to your location. The conference ID is 5448017.
| 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 Wednesday May 11, 2011. The access number for this service is 5448017 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 |
To access the conference call scheduled at 4:00 pm CET, please dial-in at the number provided below, corresponding to your location. The conference ID is 8212409.
| 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 Wednesday May 11, 2011. The access number for this service is 8212409 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 |
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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.
