INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2015
Shares 4,042 Value ($000) $281 Avg Close — Range —
Q1 2015
Shares 11,475 Value ($000) $826 Avg Close — Range —
Q4 2014
Shares 11,203 Value ($000) $872 Avg Close — Range —
Q3 2014
Shares 11,689 Value ($000) $757 Avg Close — Range —
Q2 2014
Shares 11,509 Value ($000) $818 Avg Close — Range —
Q1 2014
Shares 11,776 Value ($000) $702 Avg Close — Range —
Q4 2013
Shares 11,588 Value ($000) $630 Avg Close — Range —
Q3 2013
Shares 11,953 Value ($000) $668 Avg Close — Range —
Q2 2013
Shares 12,903 Value ($000) $755 Avg Close — Range —