ION GEOPHYSICAL CORP

CUSIP: 46204410 Class: COM

INGALLS & SNYDER LLC's Holding History (CIK: 0001041885)

Note: Option positions (PUT/CALL) are excluded.

Q1 2015
Shares 38,050 Value ($000) $82 Avg Close — Range —
Q4 2014
Shares 50,550 Value ($000) $139 Avg Close — Range —