INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q1 2015
Shares 121,833 Value ($000) $8,774 Avg Close — Range —
Q4 2014
Shares 100,862 Value ($000) $7,852 Avg Close — Range —
Q1 2013
Shares 111,314 Value ($000) $6,474 Avg Close — Range —