ALLIANT ENERGY CORPORATION (NYSE:LNT) Files An 8-K Entry into a Material Definitive Agreement

Item1.01

On May9, 2017, Alliant Energy Corporation (the Company), entered
into a distribution agreement (the Distribution Agreement) with
Wells Fargo Securities, LLC, Barclays Capital Inc. and MUFG
Securities Americas Inc. (each, an Agent and together, the
Agents). to the terms of the Distribution Agreement, the Company
may sell from time to time through any Agent, as the Companys
sales agent, shares of the Companys common stock, par value $.01
per share, having an aggregate offering price of up to
$125,000,000 (the Shares). Sales of the Shares, if any, will be
made by means of ordinary brokers transactions on the New York
Stock Exchange at market prices, in block transactions or as
otherwise agreed by the Company and the Agents.

The Company intends to use the net proceeds from the sales of the
Shares, after deducting the Agents commission and offering
expenses, for general corporate purposes, which may include
repayment or refinancing of debt, working capital, construction
and acquisition expenditures, investments and repurchases and
redemptions of securities.

Under the terms of the Agreement, the Company may also sell
Shares from time to time to any Agent as principal for its own
account at a price to be agreed upon at the time of sale. Any
sale of Shares to an Agent as principal would be to the terms of
a separate terms agreement between the Company and such Agent.

The Shares will be issued to the Companys Registration Statement
on Form S-3 (Registration No.333-200941). The Company filed a
prospectus supplement, dated May9, 2017, with the Securities and
Exchange Commission in connection with the offer and sale of the
Shares. You may obtain these documents for free by visiting EDGAR
on the SEC website at www.sec.gov. Alternatively, the Company or
the Agents will arrange to send you the prospectus supplement if
you request it by contacting Wells Fargo Securities, LLC c/o
Equity Syndicate Department, 375 Park Avenue, New York, NY 10152,
telephone 800-326-5897, email [email protected];
Barclays Capital Inc. c/o Broadridge Financial Solutions, 1155
Long Island Avenue, Edgewood, NY 11717, telephone 888-603-5847,
email [email protected]; and MUFG Securities
Americas Inc., 1221 Avenue of the Americas, 6^th Floor, New York, NY 10020, Attn:
Capital Markets Group, telephone 877-649-6848, email
[email protected].

The Agents and their respective affiliates have provided, and may
in the future provide, a variety of financial and non-financial
services to the issuer and to persons and entities with
relationships with the issuer, for which they received or will
receive customary fees and expenses. In particular, an affiliate
of each of Wells Fargo Securities, LLC, Barclays Capital Inc. and
MUFG Securities Americas Inc. is a lender under the Companys
credit facility, and an affiliate of Wells Fargo Securities, LLC
serves as the transfer agent and registrar for our common stock.

This Current Report on Form 8-K shall not constitute an offer to
sell or a solicitation of an offer to buy, nor shall there be any
sale of the Companys common stock in any state in which such
offer, solicitation or sale would be unlawful prior to
registration or qualification under the securities laws of any
such state.

The foregoing description of the Distribution Agreement does not
purport to be complete and is qualified in its entirety by
reference to the full text of the Distribution Agreement, a copy
of which is filed herewith as Exhibit 1.1 and is incorporated by
reference herein. A legal opinion relating to the Shares is filed
herewith as Exhibit 5.1.

About ALLIANT ENERGY CORPORATION (NYSE:LNT)

Alliant Energy Corporation (Alliant Energy) is a regulated investor-owned public utility holding company. The Company provides regulated electric and natural gas services in Iowa and Wisconsin. The Company’s business segments are Utility and Non-regulated, Parent and Other. The Utility segment includes the operations of Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). The utility business segment includes utility electric operations, utility gas operations and utility other, which includes steam operations and the unallocated portions of the utility business. The Company’s Non-regulated, Parent and Other segment includes the operations of Alliant Energy Resources, LLC (Resources) and its subsidiaries; Alliant Energy Corporate Services, Inc. (Corporate Services); the Alliant Energy parent company, and any Alliant Energy parent company consolidating adjustments.

ALLIANT ENERGY CORPORATION (NYSE:LNT) Recent Trading Information

ALLIANT ENERGY CORPORATION (NYSE:LNT) closed its last trading session down -0.22 at 39.57 with 1,273,035 shares trading hands.