ALLETE INC

CUSIP: 018522300 Class: Common Stock

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

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

Q1 2018
Shares 43,070 Value ($000) $3,112 Avg Close — Range —
Q4 2017
Shares 46,345 Value ($000) $3,446 Avg Close — Range —
Q3 2017
Shares 46,345 Value ($000) $3,582 Avg Close — Range —
Q2 2017
Shares 46,990 Value ($000) $3,368 Avg Close — Range —
Q1 2017
Shares 47,185 Value ($000) $3,195 Avg Close — Range —
Q4 2016
Shares 67,315 Value ($000) $4,321 Avg Close — Range —
Q3 2016
Shares 68,315 Value ($000) $4,073 Avg Close — Range —
Q2 2016
Shares 38,510 Value ($000) $2,489 Avg Close — Range —
Q1 2016
Shares 39,500 Value ($000) $2,215 Avg Close — Range —
Q4 2015
Shares 47,190 Value ($000) $2,399 Avg Close — Range —
Q3 2015
Shares 53,650 Value ($000) $2,709 Avg Close — Range —
Q2 2015
Shares 58,585 Value ($000) $2,718 Avg Close — Range —
Q1 2015
Shares 57,510 Value ($000) $3,034 Avg Close — Range —
Q4 2014
Shares 52,790 Value ($000) $2,911 Avg Close — Range —
Q3 2014
Shares 48,650 Value ($000) $2,160 Avg Close — Range —
Q2 2014
Shares 48,865 Value ($000) $2,509 Avg Close — Range —
Q1 2014
Shares 49,260 Value ($000) $2,582 Avg Close — Range —
Q4 2013
Shares 51,000 Value ($000) $2,544 Avg Close — Range —
Q3 2013
Shares 53,380 Value ($000) $2,578 Avg Close — Range —
Q2 2013
Shares 52,510 Value ($000) $2,618 Avg Close — Range —