ALLETE Board of Directors Raises Quarterly Common Stock Dividend and Long-Term Growth Outlook

DULUTH, Minn.–(BUSINESS WIRE)–ALLETE, Inc. (NYSE:ALE) today announced that its Board of Directors has
increased the quarterly dividend on the company’s common stock to 56
cents per share, an increase of 4.7 percent.

“This increase is supported by ALLETE’s solid financial position and
positions us for future dividend increases as financial performance from
our non-regulated businesses is expected to accelerate after 2018,” said
ALLETE Chairman, CEO and President Al Hodnik. “ALLETE is proud of its
track record of returning value to its shareholders and this represents
the 68th consecutive year of dividends on its common stock.”

On an annual basis, the increased dividend is equivalent to $2.24 per
share. The regular quarterly dividend is payable March 1 to common
shareholders of record at the close of business February 15, 2018.
“Consistent with this dividend action and our broader confidence in our
future growth, we are also upward revising our stated annual average
long-term earnings growth outlook from a 'minimum of 5 percent' to a
'range of 5-7 percent,'” Hodnik said.

ALLETE, Inc. is an energy company headquartered in Duluth, Minnesota. In
addition to its electric utilities, Minnesota Power and Superior Water,
Light and Power of Wisconsin, ALLETE owns ALLETE Clean Energy, based in
Duluth, BNI Energy in Bismarck, North Dakota, U.S. Water Services in St.
Michael, Minnesota, and has an eight percent equity interest in the
American Transmission Co. More information about ALLETE is available at www.allete.com.
ALE-CORP

The statements contained in this release and statements that ALLETE
may make orally in connection with this release that are not historical
facts, are forward-looking statements. Actual results may differ
materially from those projected in the forward-looking statements. These
forward-looking statements involve risks and uncertainties and investors
are directed to the risks discussed in documents filed by ALLETE with
the Securities and Exchange Commission.

Contacts

ALLETE, Inc.
Investor Contact:
Vince Meyer, 218-723-3952
[email protected]