ALLIANT ENERGY CORP - Director's Dealing 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLIANT ENERGY CORP (LNT)
CIK: 0000352541
Period of Report: 2021-12-31

Reporting Person: GALLEGOS JAMES H (EVP, Gen Cnsl and Corp Sec)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-31	Common Stock	M	5227	—	Acquired	52883.765	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-31	Restricted Stock Units	$	M	5227	Disposed		Common Stock (5227.0)	Direct

Security	Shares	Ownership
Common Stock	1538.1098	Indirect

F1: Includes dividend equivalent shares accrued during the vesting period.

F2: Each restricted stock unit (RSU) converts into one share of LNT common stock.

F3: Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

F4: Reflects 401(k) holdings as of this filing date.

F5: The RSUs vested on December 31, 2021.