INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q1 2015
Shares 12,072 Value ($000) $869 Avg Close — Range —
Q4 2014
Shares 12,072 Value ($000) $940 Avg Close — Range —
Q3 2014
Shares 13,972 Value ($000) $906 Avg Close — Range —
Q2 2014
Shares 13,972 Value ($000) $994 Avg Close — Range —
Q1 2014
Shares 13,972 Value ($000) $833 Avg Close — Range —
Q4 2013
Shares 13,972 Value ($000) $760 Avg Close — Range —
Q3 2013
Shares 13,972 Value ($000) $781 Avg Close — Range —
Q2 2013
Shares 13,972 Value ($000) $818 Avg Close — Range —