X0303 4 2009-12-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001286832 ROLAND DAVID L 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 0 1 0 0 SVP-Gen Counsel & Corp Sec'y Common stock 2009-12-01 4 F 0 1764 5.76 D 52713 D Common Stock 2009-12-01 4 A 0 30000 0.00 A 82713 D Employee Stock Option (Right-to-buy) 5.44 2009-12-01 4 A 0 25000 0.00 A 2019-12-01 Common Stock 25000 25000 D Issued pursuant to the ION Geophysical Corporation 2004 Long-term Incentive Plan. The option became exercisable in four equal annual installments beginning on the date specified in Column 3. /s/ Debra A. Addington, attorney-in-fact 2009-12-02