ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

LS Investment Advisors, LLC's Holding History (CIK: 0001455845)

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

Q3 2015
Shares 4,295 Value ($000) $2 Avg Close — Range —
Q2 2015
Shares 4,295 Value ($000) $5 Avg Close — Range —