INDEPENDENCE CONTRACT DRIL I

CUSIP: 453415309 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2016
Shares 300 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 800 Value ($000) $4 Avg Close — Range —