INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2015
Shares 89 Value ($000) $6 Avg Close — Range —
Q4 2014
Shares 8 Value ($000) $1 Avg Close — Range —