MGE Energy Declares Regular Dividend

MADISON, Wis.–(BUSINESS WIRE)–The board of directors of MGE Energy, Inc. (Nasdaq: MGEE) today declared
the regular quarterly dividend of $0.3225 per share on the outstanding
shares of the company's common stock, payable June 15, 2018, to
shareholders of record at the close of business June 1, 2018.

MGE Energy has increased its dividend annually for the past 42 years and
has paid cash dividends for more than 100 years.

About MGE Energy

MGE Energy is a public utility holding company. Its principal
subsidiary, Madison Gas and Electric (MGE), generates and distributes
electricity to 151,000 customers in Dane County, Wis., and purchases and
distributes natural gas to 158,000 customers in seven south-central and
western Wisconsin counties.

Contacts

MGE Energy, Inc.
Steven Schultz
Corporate Communications
Manager
608-252-7219
[email protected]