ION GEOPHYSICAL CORP

CUSIP: 462044207 Class: COMMON STOCK

Allianz Asset Management GmbH's Holding History (CIK: 0001535323)

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

Q2 2018
Shares 15,555 Value ($000) $378 Avg Close — Range —
Q1 2018
Shares 15,440 Value ($000) $418 Avg Close — Range —