INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q3 2014
Shares 7,200 Value ($000) $467 Avg Close — Range —
Q2 2014
Shares 14,533 Value ($000) $1,034 Avg Close — Range —
Q1 2014
Shares 14,533 Value ($000) $866 Avg Close — Range —
Q4 2013
Shares 15,467 Value ($000) $842 Avg Close — Range —
Q3 2013
Shares 15,467 Value ($000) $864 Avg Close — Range —
Q2 2013
Shares 7,200 Value ($000) $421 Avg Close — Range —