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HOUSTON, Dec. 6 /PRNewswire-FirstCall/ — Input/Output, Inc. (NYSE: IO)
announced today that it has scheduled a conference call to review its outlook
for 2007. The Conference Call will be broadcast live over the Internet, on
Tuesday, December 19, 2006 at 9:00 a.m. Eastern Time (8:00 a.m. Central)

     What:   I/O 2007 Guidance Conference Call

     When:   Tuesday, December 19, 2006 - 9:00 a.m. Eastern Time

     How:    Live via phone - By dialing (303) 262-2211 and asking for the I/O
             call at least 10 minutes prior to the start time.
             Live over the Internet - by logging on to the web at the address
             below.

     Where:  http://www.i-o.com .  The webcast can be accessed from the home
             page.

For those who cannot listen to the live call, a telephonic replay will be
available through December 29, 2006, and may be accessed by calling (303) 590-
3000 using pass code 11077987. Also, an archive of the webcast will be
available shortly after the call on the company’s website at
http://www.i-o.com for approximately 12 months.

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 http://www.i-o.com .

CONTACTS: R. Brian Hanson

Chief Financial Officer

Input/Output (281) 879-3672

Jack Lascar, Partner

Karen Roan, SVP

DRG&E (713) 529-6600

SOURCE Input/Output, Inc.

12/06/2006

0865 12/06/2006 07:00 EST http://www.prnewswire.com