Petroleum Geo-Services ASA: 2007 Q1 Invitation, Webcast and Conference Call Contact Details

Petroleum Geo-Services ASA: 2007 Q1 Invitation, Webcast and Conference Call Contact Details

Petroleum Geo-Services ASA will as previously announced release its 2007 first quarter financial results on Thursday, May 10, 2007 at approximately 8:00 am Central European Time (CET).

A presentation has been scheduled the same day at 9:00 am (CET) at PGS’ Headquarters at Lysaker, Norway. A webcast and conference call have been scheduled the same day at 2:30 pm CET (8:30 am ET). The contact details for this service are detailed below.

The news release concerning the 2007 first quarter financial results and a corresponding slide presentation will be posted at Petroleum Geo-Services’ web site at Interested parties can listen to the conference call over the Internet or by telephone.

To participate on the conference call over the Internet, please visit PGS’ web site,, at least 15 minutes early, to register and to download and install any necessary audio software.

Alternatively, to access the live broadcast of the conference call by telephone, please dial-in at the number provided below, corresponding to your location. The conference ID is 6583126.

Location Dial-In Number Norway (toll free) 800 19 395 International (toll) +44 145 255 2510 UK (toll free) 0800 694 2370

U.S. (toll free) 1866 966 9444

The telephone will be open for questions at the conclusion of management’s remarks. For those that cannot listen to the live conference call, a replay of the webcast will be made available at PGS’ website, Alternatively, a digital replay will be available shortly after the conclusion of the conference call, through Thursday, May 17, 2007. The access number is 6583126 followed by (pound-sign). Please access the replay by dial-in at the number provided below.

Location Dial-In Number International (toll) +44 145 255 0000 UK (toll free) 0800 953 1533 UK (local) 0845 245 5205

U.S. (toll free) 1866 247 4222

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

The information included herein contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on various assumptions made by the Company which are beyond its control and are subject to certain additional risks and uncertainties as disclosed by the Company in its filings with the Securities and Exchange Commission including the Company’s most recent Annual Report on Form 20-F for the year ended December 31, 2005. As a result of these factors, actual events may differ materially from those indicated in or implied by such forward-looking statements.


Petroleum Geo-Services ASA Ola Boesterud +47 67 52 64 00 Cellular: +47 90 95 47 43 Christopher Moellerloekken +47 67 51 43 16 Cellular: +47 90 27 63 55 U.S. Investor Services Katrina Parrott

+1 281 509 8000

Source: Petroleum Geo-Services ASA

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