ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

CIBC Asset Management Inc's Holding History (CIK: 0001021926)

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

Q4 2014
Shares 11,800 Value ($000) $32 Avg Close — Range —
Q3 2014
Shares 12,477 Value ($000) $35 Avg Close — Range —
Q2 2014
Shares 12,477 Value ($000) $53 Avg Close — Range —
Q1 2014
Shares 12,477 Value ($000) $53 Avg Close — Range —
Q4 2013
Shares 10,485 Value ($000) $35 Avg Close — Range —
Q3 2013
Shares 10,485 Value ($000) $55 Avg Close — Range —
Q2 2013
Shares 12,601 Value ($000) $76 Avg Close — Range —