Item 1A. RISK FACTORS

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Item 1A. RISK FACTORS

The risk factors described in Item 1A in the 2025 Form 10-K have not changed materially.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

A summary of Alliant Energy common stock repurchases for the quarter ended June 30, 2026 was as follows:


	Total Number	Average Price	Total Number of Shares	Maximum Number (or Approximate
	of Shares	Paid Per	Purchased as Part of	Dollar Value) of Shares That May
Period	Purchased (a)	Share	Publicly Announced Plan	Yet Be Purchased Under the Plan (a)
April 1 through April 30	5,201	$73.10	—	N/A
May 1 through May 31	2,639	70.91	—	N/A
June 1 through June 30	7	72.94	—	N/A
	7,847	72.36	—

(a)All shares were purchased on the open market and held in a rabbi trust under the Alliant Energy Deferred Compensation Plan. There is no limit on the number of shares of Alliant Energy common stock that may be held under the Deferred Compensation Plan, which currently does not have an expiration date.

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