ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

Creative Planning's Holding History (CIK: 0001540235)

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

Q4 2015
Shares 4,700 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 3,200 Value ($000) $1 Avg Close — Range —
Q1 2015
Shares 4,700 Value ($000) $10 Avg Close — Range —
Q4 2014
Shares 4,700 Value ($000) $13 Avg Close — Range —
Q3 2014
Shares 4,600 Value ($000) $13 Avg Close — Range —
Q2 2014
Shares 8,500 Value ($000) $36 Avg Close — Range —
Q1 2014
Shares 4,600 Value ($000) $19 Avg Close — Range —
Q4 2013
Shares 4,300 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 4,100 Value ($000) $21 Avg Close — Range —
Q2 2013
Shares 3,700 Value ($000) $22 Avg Close — Range —