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HOUSTON, June 19, 2007 /PRNewswire-FirstCall via COMTEX News Network/ — GX Technology Corporation
(GXT), a subsidiary of Input/Output, Inc. (NYSE: IO) and a leading provider of
seismic imaging and multi-client data, today announced the completion of
acquisition for its latest basin-scale geologic program. Located offshore
Madagascar, Kenya, and Tanzania, East AfricaSPAN(TM) provides an advanced
regional 2D seismic framework for the petroleum systems offshore East Africa.

Ken Williamson, Senior Vice President of the Integrated Seismic Solutions
business at GXT, commented, “In East Africa, the geology is quite complex and
the available seismic data is limited. A new basin-scale data program was
critical to help oil & gas companies thoroughly investigate this region’s
resource potential. We are excited to include East AfricaSPAN in our globally
expanding library. GXT worked closely with regional experts to custom design
the program in order to offer E&P companies valuable insights into this
offshore region, which is an area of renewed interest and focus. We look
forward to helping our customers extract the maximum value from East
AfricaSPAN and to extending our SPAN(TM) programs in other potential
hydrocarbon-producing areas around the globe.”

East AfricaSPAN is currently comprised of approximately 8,300 km of 2D
marine data that was acquired using long streamer offsets and long record
times. This geologic program defines the regional distribution of source rocks
and the wide-scale basement architecture of the East African margin. With
acquisition complete, GXT has begun to apply its advanced processing and depth
imaging technologies to deliver a structural framework in both the time and
depth domains. As part of each East AfricaSPAN dataset, clients receive an
interpretation report prepared by regional experts that was designed to help
identify potential play types and exploration prospects in the area.

About SPAN Programs

GXT SPAN programs are basin-wide, ultra-deep seismic data libraries that
are acquired and imaged using the most advanced geological and geophysical
technology available. SPAN programs are custom designed to provide a holistic
understanding of petroleum systems including source rock deposition, migration
paths, sediment fairways, and reservoir trapping mechanisms. GXT SPAN programs
exist for the Gulf of Mexico, the margins of West and East Africa and for
offshore basins in Colombia, India, Eastern and Northern Canada, Alaska and
the Caribbean. More SPAN programs are planned for key petroleum provinces
around the world.

About GX Technology

GX Technology (GXT), a subsidiary of I/O, is a leading provider of
advanced seismic imaging solutions to oil & gas companies worldwide. GXT’s
Image-Driven(TM) solutions include: seismic data processing services, such as
state-of-the-art depth migration, reverse time migration, and full-wave
imaging; multi-client seismic data libraries, including basin-scale SPAN(TM)
seismic programs; software and services for seismic survey design, geophysical
analysis, and reservoir modeling; and start-to-finish seismic imaging programs
that encompass survey planning, field acquisition, and final image rendering.
GXT is a Houston-based company that operates 9 regional service centers
worldwide.

About I/O

I/O is a leading, technology-focused seismic solutions provider. The
company provides cutting-edge seismic acquisition equipment, software,
planning and seismic processing services and data libraries to the global oil
& gas industry. I/O’s technologies are applied in both land and marine
environments, in traditional 2D and 3D surveys, and in rapidly growing areas
like time-lapse (4D) reservoir monitoring and full-wave imaging. Headquartered
in Houston, Texas, I/O has regional offices in Canada, Latin America, Europe,
China, Russia, Africa and the Middle East. Additional information is available
at http://www.i-o.com.

Contacts
I/O – Houston
Chief Financial Officer
Brian Hanson, +1 281.879.3672

I/O – Houston
Director – Corporate Marketing
Kelly Kline, +1 281.879.3593
kkline@i-o.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 I/O from time to time in its filings with the Securities and
Exchange Commission.

SOURCE Input/Output, Inc.

Brian Hanson, Chief Financial Officer, 1-281-879-3672, or Kelly Kline, Director,
Corporate Marketing, 1-281-879-3593, kkline@i-o.com, both of Input/Output, Inc.

http://www.i-o.com