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   Rugged, Reliable Platform Supports High Channel Count, Complex Vibroseis
                                  Operations

HOUSTON, Nov. 10 /PRNewswire-FirstCall/ — ARAM Systems, a subsidiary of
ION Geophysical Corporation (NYSE: IO), today announced the commercialization
of its cable-based ARIES II(TM) seismic recording platform. ARIES II provides
the operational flexibility to cost-effectively undertake complex 2D, 3D, and
4D acquisition programs both onshore and in transition zone environments, and
delivers the capabilities needed for both high channel-count acquisition
programs and advanced Vibroseis operations.

ARIES II builds upon the market success of ARIES I, but implements an
entirely new, 24-bit system architecture that dramatically improves channel
capacity while ensuring efficient equipment deployment and maximum system
performance. A critical new feature in ARIES II is automatic network load
balancing, which supports real-time data recording of up to 24,000 channels
(at 2ms sampling).

ARIES II operates using a comprehensive, user-friendly software package
built upon Microsoft Windows(R) XP technology and includes features that are
demanded by seismic data acquisition companies, such as:

    -- Simple source and receiver set-up
    -- Fully-integrated drop-down menus to format test specifications of both
       geophones and vibrators
    -- Simplified reporting and troubleshooting capabilities to track and
       optimize acquisition operations

An innovative feature in ARIES II is a real-time quality control (QC)
application called ‘Patch-View’, the only QC application on the market that
allows a complete view of real-time trace data for 10,000-plus channel
spreads. Patch-View provides both operators and observers with at-a-glance
visual analyses of trace quality attributes including ambient noise, signal
RMS, and signal-to-noise ratios, as well as ongoing shot-based QC-attribute
displays that track hourly changes in data quality.

Successful field trials of ARIES II on a survey in North Dakota with
Conquest Seismic Services, Inc. showcased the productivity and cost-
effectiveness of the system. Milt Tetzlaff, Chief Operating Officer of
Conquest Seismic, commented, “With over 10,000 live channels, the ARIES II
acquisition system we used demonstrated superior performance in extremely
windy conditions. Our crew was able to easily understand the new and highly
intuitive system software, while the Patch-View quality control application
allowed us to monitor thousands of channels of data in real time. ARIES II
was critical to the success of our project.”

ARAM designed ARIES II using the same fundamental principles that have
made its ARIES I recording system a favorite among contractors, including the
extensive use of rugged ground electronics ideal for harsh land environments
where weather, terrain, and careless handling can hamper the effectiveness of
any acquisition system. To extend battery life and improve field
productivity, ARAM re-engineered the ground electronics of ARIES II to reduce
overall system power consumption by approximately 40 percent compared to ARIES
I. For contractors seeking the flexibility to operate in transition zone
environments, ARAM designed ARIES II to be functional in up to 75 meters of
salt water when outfitted with the special ARIES Marine Case.

Chris Chamberlain, former CEO and President of ARAM and now the Senior
Vice President of Cable-based Acquisition Systems at ION, added, “The
productivity attained by Conquest Seismic utilizing our new ARIES II System
supports our strategy of developing land technologies that dramatically
improve the efficiency of our customers’ operations. The success of this
field trial validates the importance of designing user-friendly, high channel-
count systems that increase productivity and field reliability for our
clients.”

About ION

ION is a leading provider of geophysical technology, services, and
solutions for the global oil & gas industry. ION’s offerings allow E&P
operators to obtain higher resolution images of the subsurface to reduce the
risk of exploration and reservoir development, and enable seismic contractors
to acquire geophysical data more efficiently. Additional information about
ION is available at www.iongeo.com.

The information included herein contains 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. Actual results may vary fundamentally
from those described in these forward-looking statements. All forward-looking
statements reflect numerous assumptions and involve a number of risks and
uncertainties. These risks and uncertainties include risk factors that are
disclosed by ION from time to time in its filings with the Securities and
Exchange Commission.

Contacts
ION (Financial community)
Chief Financial Officer
Brian Hanson, +1 281.879.3672

ION (Media affairs)
Sr. Manager – Corporate Marketing
Jenny Salinas, +1 713.366.7286
jenny.salinas@iongeo.com

SOURCE ION Geophysical Corporation

Web site: http://www.iongeo.com
(IO)