ION announces proposed public offering of common stock and warrants

HOUSTON, Feb. 15, 2018 /PRNewswire/ -- ION Geophysical Corporation (NYSE: IO), ("ION" or the "Company") today announced that it intends to offer and sell shares of its common stock and warrants to purchase shares of its common stock in an underwritten public offering. The Company also expects to grant the underwriters a 30-day option to purchase additional shares of common stock and warrants offered in the public offering. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

Oppenheimer & Co. Inc. is acting as the sole book-running manager for the offering. Janney Montgomery Scott LLC is acting as co-manager for the offering.

A shelf registration statement relating to the shares of common stock and the warrants to be issued in the proposed offering was filed with the Securities and Exchange Commission ("SEC") and is effective. This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted.

A preliminary prospectus supplement and accompanying prospectus describing the terms of the proposed offering will be filed with the SEC. The securities may be offered only by means of a prospectus, including a prospectus supplement, forming a part of the effective registration statement. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to the securities being offered may also be obtained from Oppenheimer & Co. Inc. Attention: Syndicate Prospectus Department, 85 Broad Street, 26th Floor, New York, NY 10004, or by telephone at (212) 667-8563, or by email at EquityProspectus@opco.com. Electronic copies of the preliminary prospectus supplement and accompanying prospectus will also be available on the SEC's website at http://www.sec.gov.

About ION

ION develops and leverages innovative technologies, creating value through data capture, analysis and optimization to enhance critical decision-making, enabling superior returns. For more information, visit iongeo.com.

Contacts

ION (Investor relations)

Executive Vice President and Chief Financial Officer
Steve Bate, +1 281.552.3011
steve.bate@iongeo.com

ION (Legal)

EVP, General Counsel & Corporate Secretary
Matthew Powers, +1 713.366.7226
matt.powers@iongeo.com

The information included herein contains certain 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. All statements, other than statements of historical facts, included in this release that address activities, events or developments that the Company expects, believes or anticipates will or may occur in the future are forward-looking statements. Actual results may vary materially from those described in these forward-looking statements. All forward-looking statements reflect numerous assumptions and involve a number of risks and uncertainties. Risk factors, which could affect actual results, are disclosed by the Company from time to time in its filings with the SEC, including its Annual Report on Form 10-K for the year ended December 31, 2017. The Company does not undertake an obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as may be required by applicable law.

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SOURCE ION Geophysical Corporation