ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

WISCONSIN CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000926833)

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

Q3 2013
Shares 95,000 Value ($000) $494 Avg Close — Range —
Q2 2013
Shares 317,700 Value ($000) $1,913 Avg Close — Range —