ALLIANT ENERGY CORP — Director's Dealing 2018

Feb 26, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLIANT ENERGY CORP (LNT)
CIK: 0000352541
Period of Report: 2018-02-22

Reporting Person: LARSEN JOHN O (President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-22	Common Stock	A	5799.965	—	Acquired	22329.841	Direct
2018-02-22	Common Stock	F	1846	$38.60	Disposed	20483.841	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-22	Restricted Stock Units	$	A	5343	Acquired		Common Stock (5343.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9300.6838	Indirect

Footnotes

F1: Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

F2: Reflects 401(k) holdings as of this filing date.

F3: Each restricted stock unit represents a contingent right to receive one share of LNT common stock.

F4: The restricted stock units vest on December 31, 2020, subject to continued employment. Vested units will be converted to common stock, paid out in cash, or a combination of both.