INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2015
Shares 137,384 Value ($000) $9,894 Avg Close — Range —
Q4 2014
Shares 134,004 Value ($000) $10,432 Avg Close — Range —
Q3 2014
Shares 134,904 Value ($000) $8,744 Avg Close — Range —
Q2 2014
Shares 134,924 Value ($000) $9,597 Avg Close — Range —
Q1 2014
Shares 133,799 Value ($000) $7,981 Avg Close — Range —
Q4 2013
Shares 125,809 Value ($000) $6,845 Avg Close — Range —
Q3 2013
Shares 124,599 Value ($000) $6,964 Avg Close — Range —
Q2 2013
Shares 120,199 Value ($000) $7,035 Avg Close — Range —