INTEGRYS ENERGY GROUP INC

CUSIP: 45822P105 Class: COM

DUFF & PHELPS INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000765443)

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

Q2 2015
Shares 500,000 Value ($000) $34,830 Avg Close — Range —
Q1 2015
Shares 500,000 Value ($000) $36,010 Avg Close — Range —
Q4 2014
Shares 500,000 Value ($000) $38,925 Avg Close — Range —
Q3 2014
Shares 500,000 Value ($000) $32,410 Avg Close — Range —
Q2 2014
Shares 500,000 Value ($000) $35,565 Avg Close — Range —
Q1 2014
Shares 690,000 Value ($000) $41,159 Avg Close — Range —
Q4 2013
Shares 587,000 Value ($000) $31,939 Avg Close — Range —
Q3 2013
Shares 587,000 Value ($000) $32,807 Avg Close — Range —
Q2 2013
Shares 587,000 Value ($000) $34,357 Avg Close — Range —