ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

LSV ASSET MANAGEMENT's Holding History (CIK: 0001050470)

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

Q1 2017
Shares 21,200 Value ($000) $102 Avg Close — Range —
Q4 2016
Shares 32,400 Value ($000) $194 Avg Close — Range —