 HOUSTON, Feb. 16, 2021 GLOBE NEWSWIRE -- ION Geophysical Corporation NYSE: IO ION or the Company today announced that it has entered into a securities purchase agreement with institutional investors for the purchase and sale of 2,990,001 shares of its common stock at a purchase price of 3.50 per share in a registered direct offering. The closing of the offering is expected to occur on or about February 18, 2021, subject to the satisfaction of customary closing conditions. 