MGE Energy Issues June 2017 ‘Interim Report’

MADISON, Wis.–(BUSINESS WIRE)–MGE Energy, Inc. (Nasdaq: MGEE) today published its investor newsletter
“Interim Report” with the following topics:

– Annual meeting highlights new investments, sustainability progress

– Investing in electric reliability

– First-quarter earnings report

The newsletter is available on MGE Energy’s website at:

https://www.mgeenergy.com/interimreport

Interim Report is published quarterly to provide investors with
information about MGE Energy and its primary subsidiary, Madison Gas and
Electric.

About MGE Energy

MGE Energy is an investor-owned public utility holding company
headquartered in the state capital of Madison, Wis. It is the parent
company of Madison Gas and Electric, which generates and distributes
electricity in Dane County, Wis., and purchases and distributes natural
gas in seven south-central and western Wisconsin counties. MGE Energy’s
assets total approximately $1.8 billion, and its 2016 revenues were $545
million.

Contacts

Investor relations contact
MGE Energy, Inc.
Ken
Frassetto
Director – Shareholder Services and Treasury Management
608-252-4723
| [email protected]