MGE Energy posts new investor presentation

MGE Energy, Inc. and its subsidiary Madison Gas and Electric Company filed a current report indicating that on February 27, 2026, MGE Energy posted a financial presentation on its Investor Relations website.

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

MGE Energy, Inc. and its subsidiary Madison Gas and Electric Company filed a current report indicating that on February 27, 2026, MGE Energy posted a financial presentation on its Investor Relations website. The same presentation has been furnished to the SEC as Exhibit 99.1 to this report.

The companies clarify that this report and the attached presentation slides are being furnished, not filed, which has implications for how the information is treated under securities laws. No specific financial results or transaction details are described in this text, only the availability of the investor presentation.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

What did MGE Energy (MGEE) disclose in this Form 8-K?

MGE Energy disclosed that it posted a financial presentation on its Investor Relations website. The same presentation is included as Exhibit 99.1 and is furnished to the SEC, giving investors organized access to current company information.

Where can investors find the new MGE Energy (MGEE) financial presentation?

Investors can find the financial presentation on MGE Energy’s Investor Relations website. The presentation is also attached as Exhibit 99.1 to the Form 8-K, ensuring the same materials are available through both the company and SEC systems.

Is the MGE Energy (MGEE) investor presentation filed or furnished to the SEC?

The investor presentation is furnished, not filed, with the SEC. This distinction affects how the information is treated under securities law, as furnished materials generally carry different liability standards than formally filed financial statements or reports.

Which MGE entities are covered by this 8-K disclosure?

The disclosure covers both MGE Energy, Inc. and its utility subsidiary Madison Gas and Electric Company. They share the same principal executive office address in Madison, Wisconsin and use this joint current report format for Regulation FD communication.

What exhibits are included with the MGE Energy (MGEE) Form 8-K?

The Form 8-K includes Exhibit 99.1, containing the presentation slides, and Exhibit 104, the cover page interactive data file with Inline XBRL tags. These exhibits package the investor materials and required structured data for electronic SEC systems.

Who signed the MGE Energy (MGEE) Form 8-K on behalf of the registrants?

Jenny L. Lagerwall signed the Form 8-K on behalf of MGE Energy, Inc. and Madison Gas and Electric Company. She is identified as Assistant Vice President - Accounting and Controller, serving as the Chief Accounting Officer for the registrants.

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Accepted by SEC EDGAR 02/27/2026 - 10:05 AM


		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
	FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
		February 27, 2026 Date of report (date of earliest event reported)
Commission File No.		Name of Registrant, State of Incorporation, Address of Principal Executive Offices, and Telephone No.	IRS Employer Identification No.
000-49965		MGE Energy, Inc. (a Wisconsin Corporation) 133 South Blair Street Madison, Wisconsin 53788 (608) 252-7000 \| mgeenergy.com	39-2040501
000-1125		Madison Gas and Electric Company (a Wisconsin Corporation) 133 South Blair Street Madison, Wisconsin 53788 (608) 252-7000 \| mge.com	39-0444025

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Stock, $1 Par Value Per Share	MGEE	The NASDAQ Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

MGE Energy, Inc. ☐ Madison Gas and Electric Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

MGE Energy, Inc. ☐ Madison Gas and Electric Company ☐

Item 7.01. Regulation FD Disclosure.

On February 27, 2026, MGE Energy, Inc. posted a financial presentation on its Investor Relations website. A copy of the presentation is attached as Exhibit 99.1. This Form 8-K and the attached exhibits are furnished to, but not filed with, the Securities and Exchange Commission.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.


Exhibit No.		Description
99.1		Presentation Slides.
104		Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.


	MGE Energy, Inc. Madison Gas and Electric Company
	(Registrants)



Date: February 27, 2026	/s/ Jenny L. Lagerwall
	Jenny L. Lagerwall Assistant Vice President - Accounting and Controller (Chief Accounting Officer)