INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2014
Shares 4,609 Value ($000) $275 Avg Close — Range —
Q4 2013
Shares 6,729 Value ($000) $366 Avg Close — Range —
Q3 2013
Shares 6,729 Value ($000) $376 Avg Close — Range —
Q2 2013
Shares 8,313 Value ($000) $487 Avg Close — Range —