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HOUSTON, July 28, 2011 /PRNewswire via COMTEX/ —

ION Geophysical Corporation (NYSE: IO) announced today that it will release second quarter 2011 financial results on Tuesday, August 2, 2011 after the market closes. In conjunction with the release, ION has scheduled a conference call, which will be broadcast live over the Internet, for Wednesday, August 3 at 10:00 a.m. Eastern Time (9:00 a.m. Central).


ION Second Quarter 2011 Earnings Conference Call


Wednesday, August 3, 2011 – 10:00 a.m. Eastern Time


Live via phone – By dialing (480) 629-9835 and asking for the ION call a few minutes prior to the start time.

Live over the Internet – by logging on to the web at the address below.

Where: The webcast, which will be accompanied by a slide presentation can be accessed from the ION home page or by clicking on the link listed above.

For those who cannot listen to the live call, a telephonic replay will be available through August 17, 2011, and may be accessed by calling (303) 590-3030 using pass code 4452214#. Also, an archive of the webcast will be available shortly after the call on the company’s website at for approximately 12 months.

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


R. Brian Hanson
Chief Financial Officer
ION Geophysical
(281) 879-3672

Jack Lascar
DRG&L (713) 529-6600

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.

SOURCE ION Geophysical Corporation