INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

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

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

Q4 2014
Shares 1,800 Value ($000) $140 Avg Close — Range —
Q4 2013
Shares 5,358 Value ($000) $292 Avg Close — Range —
Q3 2013
Shares 94 Value ($000) $5 Avg Close — Range —