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HOUSTON, Nov. 13 /PRNewswire-FirstCall/ — GX Technology Corporation
(GXT), a leading seismic imaging services provider and a subsidiary of
Input/Output, Inc. (NYSE: IO), announced today the completion of acquisition
for the Beaufort East and Chukchi phases of its latest basin-scale seismic
program, ArcticSpan. The Beaufort East phase will provide high-resolution
subsurface images of prospective targets in the Mackenzie Delta region and its
contiguous continental margin of the Canada Basin, offshore Canada. The
Chukchi phase will provide a regional 2D seismic framework for the entire
Chukchi Outer Continental Shelf (OCS) area.

Mick Lambert, President of GX Technology, commented, “GXT has built one of
the most up-to-date seismic libraries in the industry. We are proud to add
ArcticSpan to our portfolio and look forward to helping our customers locate
the 30 billion barrels of oil equivalent that the U.S. Geological Survey
(USGS) estimates is undiscovered in the Mackenzie Delta region of North
America. Designed with the active participation of regional experts, the
program’s goal is to offer E&P companies valuable insights into this under-
explored, high-potential offshore region. We will continue to work in the
region to help our customers extract the maximum value from ArcticSpan and to
provide them with advanced processing services related to this data library in
the years ahead.”

ArcticSpan is comprised of approximately 6,500 km of 2D data along the
northern coasts of Alaska and Canada. The program was designed to transect
key geologic features and improve geoscientists’ understanding of the
depositional history of the area. Seismic data acquisition involved very long
offsets of 9,000 meters, record lengths of 18 seconds, and a specially
designed seismic source to illuminate the basin. GXT will use its advanced
processing and depth imaging techniques to deliver the structural framework in
the depth domain with an unprecedented ultra-deep focus. Clients will receive
an interpretation report with each dataset that is designed to help in
identifying potential play types and exploration prospects in the area.

GXT will commence delivery of the ArcticSpan dataset in time for customers
to analyze the data in advance of the Minerals Management Service (MMS)
Chukchi lease sale scheduled for November 2007.

About Spans

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

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.

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 8 regional service centers

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
and 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 .

Contact: Kelly Kline Director, Marketing Communications – I/O

Phone: 1 281.879.3593

SOURCE Input/Output, Inc.