Wavefield Inseis ASA (OSL:WAVE) Mandatory Notification Of Trade

Wavefield Inseis ASA (OSL:WAVE) Oslo, Norway, January 16, 2009

The total of six primary insiders of Wavefield Inseis ASA ("Wavefield") have accepted to sell shares in Wavefield to Compagnie Générale de Géophysique-Veritas SA ("CGGV") under the terms of the mandatory offer document, published on December 30th 2008. The total amount of Wavefield shares sold to CGGV is 2,353,857.

See attachement at www.newsweb.no for primary insiders.

For further information, contact:

Bente B. Tomasik, IR assistant, Wavefield Inseis ASA Email: bente.tomasik@wavefield-inseis.com, Tel; +47 67 82 84 21

About Wavefield Inseis ASA Wavefield Inseis ASA is a Norwegian marine geophysical company providing proprietary data acquisition services and offers a portfolio of non-exclusive Multi Client data to the global exploration community, developed in partnership with oil companies and governments. Our range of products includes long offset 2D, high capacity 3D, 4D, Multi-azimuth and Wide-azimuth data acquired with highly specified vessels and the latest seismic equipment, including our OPTOWAVE(TM) multi-component ocean bottom cable (4C OBC) system for permanent seismic 4D monitoring that uses optical sensor technology. We are also in the process of launching a new concept for EM acquisition and data analysis. From our main offices in Bergen and Oslo, Norway, and our other locations in London, Houston, Singapore and Perth, Wavefield Inseis has a global reach, with activities worldwide.

This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.



LINK: http://hugin.info/137185/R/1282801/287067.pdf

Wavefield Inseis ASA

http://www.wavefield.no

ISIN: NO0010295504

Stock Identifier: XOSL.WAVE