ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

SYSTEMATIC FINANCIAL MANAGEMENT LP's Holding History (CIK: 0001085936)

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

Q3 2018
Shares 83,195 Value ($000) $1,294 Avg Close — Range —
Q2 2018
Shares 62,515 Value ($000) $1,519 Avg Close — Range —