ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q2 2020

Shares 26,620 Value ($000) $1,274 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 3,370 Value ($000) $163 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 3,370 Value ($000) $184 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 29,950 Value ($000) $1,615 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 29,950 Value ($000) $1,469 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 3,170 Value ($000) $149 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 6,280 Value ($000) $265 Avg Close $35.19 Range $32.65 - $37.38

Q2 2018

Shares 36,130 Value ($000) $1,529 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 5,970 Value ($000) $244 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 5,970 Value ($000) $254 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 22,790 Value ($000) $947 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 24,140 Value ($000) $970 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 24,140 Value ($000) $956 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 24,140 Value ($000) $914 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 7,210 Value ($000) $276 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 100,530 Value ($000) $3,991 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 37,820 Value ($000) $2,809 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 36,270 Value ($000) $2,265 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 35,590 Value ($000) $2,082 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 34,950 Value ($000) $2,017 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 33,600 Value ($000) $2,117 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 36,020 Value ($000) $2,392 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 31,400 Value ($000) $1,740 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 30,600 Value ($000) $1,862 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 30,600 Value ($000) $1,738 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 30,400 Value ($000) $1,569 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 18,300 Value ($000) $907 Avg Close $17.15 Range $16.21 - $18.15

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	26,620	$1,274	$40.72	$36.29 - $45.31
Q1 2020	3,370	$163	$45.48	$31.34 - $50.16
Q4 2019	3,370	$184	$43.82	$42.11 - $45.80
Q3 2019	29,950	$1,615	$42.08	$39.53 - $44.83
Q2 2019	29,950	$1,469	$38.79	$37.00 - $40.91
Q1 2019	3,170	$149	$36.14	$32.70 - $38.77
Q4 2018	6,280	$265	$35.19	$32.65 - $37.38
Q2 2018	36,130	$1,529	$32.46	$30.20 - $34.35
Q1 2018	5,970	$244	$30.84	$28.88 - $33.21
Q4 2017	5,970	$254	$33.80	$31.68 - $35.41
Q3 2017	22,790	$947	$32.04	$30.14 - $33.72
Q2 2017	24,140	$970	$30.93	$29.83 - $32.31
Q1 2017	24,140	$956	$29.08	$27.58 - $30.63
Q4 2016	24,140	$914	$27.74	$26.27 - $29.13
Q3 2016	7,210	$276	$29.26	$27.72 - $30.41
Q2 2016	100,530	$3,991	$27.46	$25.25 - $29.85
Q1 2016	37,820	$2,809	$24.74	$22.13 - $27.34
Q4 2015	36,270	$2,265	$21.84	$20.45 - $23.41
Q3 2015	35,590	$2,082	$21.20	$19.59 - $22.72
Q2 2015	34,950	$2,017	$21.63	$20.41 - $22.74
Q1 2015	33,600	$2,117	$23.04	$21.25 - $25.01
Q4 2014	36,020	$2,392	$21.73	$19.32 - $24.55
Q3 2014	31,400	$1,740	$20.07	$19.08 - $21.06
Q2 2014	30,600	$1,862	$19.98	$19.02 - $21.06
Q1 2014	30,600	$1,738	$18.07	$16.97 - $19.54
Q4 2013	30,400	$1,569	$17.48	$16.43 - $18.23
Q3 2013	18,300	$907	$17.15	$16.21 - $18.15