ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Sourcerock Group LLC's Holding History (CIK: 0001822531)

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

Q4 2025

Shares 299,473 Value ($000) $19,469 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 150,000 Value ($000) $10,112 Avg Close $63.88 Range $59.07 - $67.04

Q1 2025

Shares 240,154 Value ($000) $15,454 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 104,180 Value ($000) $6,161 Avg Close $58.37 Range $54.30 - $62.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	299,473	$19,469	$66.83	$64.30 - $69.59
Q3 2025	150,000	$10,112	$63.88	$59.07 - $67.04
Q1 2025	240,154	$15,454	$59.57	$54.52 - $64.99
Q4 2024	104,180	$6,161	$58.37	$54.30 - $62.16