First Quarter 2010 Presentation

LYSAKER (OSLO), NORWAY -- (Marketwire) -- 04/30/10 --

The first quarter 2010 presentation can be downloaded at www.newsweb.no
or www.pgs.com.

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.

The information included herein contains certain forward-looking statements
that
address activities, events or developments that the Company expects,
projects,
believes or anticipates will or may occur in the future. 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. The
Company is
subject to a large number of risk factors including but not limited to the
demand for seismic services, the demand for data from our MultiClient data
library, the attractiveness of our technology, unpredictable changes in
governmental regulations affecting our markets and extreme weather
conditions.
For a further description of other relevant risk factors we refer to our
Annual
Report for 2009. As a result of these and other risk factors, actual events
and
our actual results may differ materially from those indicated in or implied
by
such forward-looking statements. The reservation is also made that
inaccuracies
or mistakes may occur in the information given above about current status
of the
Company or its business. Any reliance on the information above is at the
risk of
the reader, and PGS disclaims any and all liability in this respect.

This information is subject of the disclosure requirements acc. to §5-
12 vphl
(Norwegian Securities Trading Act)

[HUG#1410360]

Q1 2010 Presentation: http://hugin.info/115/R/1410360/362906.pdf