Please see attached joint press release from TGS-NOPEC and WAVEFIELD INSEIS
A joint presentation and webcast will be held today, July 30, 2007 at Hotel Continental, Oslo at 10.00 CET. The presentation is open for the public. The presentation can be followed live on the internet at www.tgsnopec.com.
TGS's CEO Hank Hamilton and Wavefield Inseis's CEO Atle Jacobsen will also host a joint conference call on July 30, 2007 at 15:00 CET (9:00 AM New York time). Norwegian attendees are invited to call 800 80 119 and international attendees are invited to call +47 23 000 400. Attendees may want to call 5-10 minutes before 15:00 CET hours to ensure registration and access. A Q&A session will follow a short introduction, based upon the joint presentation in the morning. To pose a
question, please press *1. A replay of the conference call will be available shortly after. To access replay of the conference call, dial +47 67 89 40 91 account no: 1193 followed by # (pound-sign) press 1 Conference no: 193 followed by # (pound-sign) press 1 to play.
