ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

MATHER GROUP, LLC.'s Holding History (CIK: 0001527641)

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

Q3 2025

Shares 2,395 Value ($000) $161 Avg Close $63.88 Range $59.07 - $67.04

Q1 2025

Shares 2,470 Value ($000) $159 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 1,622 Value ($000) $96 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 1,616 Value ($000) $98 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 1,864 Value ($000) $94 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 2,330 Value ($000) $120 Avg Close $46.11 Range $44.14 - $48.90

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,395	$161	$63.88	$59.07 - $67.04
Q1 2025	2,470	$159	$59.57	$54.52 - $64.99
Q4 2024	1,622	$96	$58.37	$54.30 - $62.16
Q3 2024	1,616	$98	$54.38	$48.12 - $58.63
Q2 2024	1,864	$94	$47.71	$44.54 - $49.81
Q1 2024	2,330	$120	$46.11	$44.14 - $48.90