ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

Manning & Napier Advisors LLC's Holding History (CIK: 0000062039)

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

Q1 2014
Shares 20,260 Value ($000) $85 Avg Close — Range —
Q4 2013
Shares 580,750 Value ($000) $1,915 Avg Close — Range —
Q3 2013
Shares 589,210 Value ($000) $3,063 Avg Close — Range —
Q2 2013
Shares 621,830 Value ($000) $3,742 Avg Close — Range —