ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Brooklyn Investment Group's Holding History (CIK: 0001795705)

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

Q4 2025

Shares 4,601 Value ($000) $301 Avg Close $66.83 Range $64.30 - $69.59

Q2 2025

Shares 923 Value ($000) $56 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 301 Value ($000) $19 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 273 Value ($000) $16 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 136 Value ($000) $8 Avg Close $54.38 Range $48.12 - $58.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,601	$301	$66.83	$64.30 - $69.59
Q2 2025	923	$56	$60.10	$55.76 - $64.19
Q1 2025	301	$19	$59.57	$54.52 - $64.99
Q4 2024	273	$16	$58.37	$54.30 - $62.16
Q3 2024	136	$8	$54.38	$48.12 - $58.63