ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

GREENLEAF TRUST's Holding History (CIK: 0001162170)

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

Q2 2023

Shares 3,951 Value ($000) $207 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 3,935 Value ($000) $210 Avg Close $48.28 Range $45.19 - $50.77

Q4 2017

Shares 184 Value ($000) $8 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 231 Value ($000) $10 Avg Close $32.04 Range $30.14 - $33.72

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	3,951	$207	$49.05	$46.13 - $51.23
Q1 2023	3,935	$210	$48.28	$45.19 - $50.77
Q4 2017	184	$8	$33.80	$31.68 - $35.41
Q3 2017	231	$10	$32.04	$30.14 - $33.72