INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

GABELLI FUNDS LLC's Holding History (CIK: 0001081407)

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

Q1 2015
Shares 886,500 Value ($000) $63,846 Avg Close — Range —
Q4 2014
Shares 989,500 Value ($000) $77,033 Avg Close — Range —
Q3 2014
Shares 820,118 Value ($000) $53,160 Avg Close — Range —
Q2 2014
Shares 809,218 Value ($000) $57,560 Avg Close — Range —
Q1 2014
Shares 518,500 Value ($000) $30,929 Avg Close — Range —
Q4 2013
Shares 546,500 Value ($000) $29,735 Avg Close — Range —
Q3 2013
Shares 581,500 Value ($000) $32,500 Avg Close — Range —
Q2 2013
Shares 631,500 Value ($000) $36,962 Avg Close — Range —