INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q1 2015
Shares 6,510,305 Value ($000) $468,871 Avg Close — Range —
Q4 2014
Shares 6,245,948 Value ($000) $486,247 Avg Close — Range —
Q3 2014
Shares 5,998,993 Value ($000) $388,855 Avg Close — Range —
Q2 2014
Shares 5,879,011 Value ($000) $418,174 Avg Close — Range —
Q1 2014
Shares 5,717,267 Value ($000) $341,035 Avg Close — Range —
Q4 2013
Shares 5,580,971 Value ($000) $303,662 Avg Close — Range —
Q3 2013
Shares 5,461,257 Value ($000) $305,230 Avg Close — Range —
Q2 2013
Shares 5,318,561 Value ($000) $311,296 Avg Close — Range —