X0206 3 2022-03-29 0 0000866609 ION GEOPHYSICAL CORP IO 0001578444 BATE STEVEN 4203 YOAKUM BLVD. SUITE 100 HOUSTON TX 77006 1 Chief Administration Officer No securities are beneficially owned 0 D /s/ Rebecca F. Sacco, attorney-in-fact 2022-04-08