ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

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

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

Q3 2014
Shares 683,040 Value ($000) $1,905 Avg Close — Range —
Q3 2013
Shares 281,684 Value ($000) $1,464 Avg Close — Range —
Q2 2013
Shares 225,109 Value ($000) $1,355 Avg Close — Range —