ALLIANT ENERGY CORP — Director's Dealing 2021

Jan 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLIANT ENERGY CORP (LNT)
CIK: 0000352541
Period of Report: 2020-12-31

Reporting Person: de Leon David A (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-31	Common Stock	M	1533	—	Acquired	11808.643	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-31	Restricted Stock Units	$	M	1533	Disposed		Common Stock (1533.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1665.7388	Indirect

Footnotes

F1: The restricted stock units ("RSUs") are to be paid upon settlement solely in shares, pursuant to the reporting person's prior election to receive shares. Includes dividend equivalent shares accrued during the vesting period.

F2: Each RSU represents the economic equivalent of 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, 2020. Vested RSUs are to be converted to common stock, paid out in cash, or a combination of both.