ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

Voya Investment Management LLC's Holding History (CIK: 0001068837)

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

Q4 2015
Shares 84,580 Value ($000) $43 Avg Close — Range —
Q3 2015
Shares 84,580 Value ($000) $33 Avg Close — Range —
Q2 2015
Shares 84,580 Value ($000) $91 Avg Close — Range —
Q1 2015
Shares 84,580 Value ($000) $184 Avg Close — Range —
Q4 2014
Shares 84,580 Value ($000) $233 Avg Close — Range —
Q3 2014
Shares 84,580 Value ($000) $236 Avg Close — Range —
Q2 2014
Shares 84,580 Value ($000) $357 Avg Close — Range —
Q1 2014
Shares 84,580 Value ($000) $356 Avg Close — Range —
Q4 2013
Shares 122,290 Value ($000) $404 Avg Close — Range —
Q3 2013
Shares 122,290 Value ($000) $636 Avg Close — Range —
Q2 2013
Shares 222,160 Value ($000) $1,337 Avg Close — Range —