MGE Energy, Inc. (MGEE) and Madison Gas and Electric Company (MGE) filed an 8-K report on February 27, 2026. The report indicates that MGE Energy, Inc. has made a financial presentation available on its Investor Relations website. The presentation slides are attached as Exhibit 99.1 to the 8-K filing. This disclosure falls under Regulation FD, ensuring broad public access to potentially material information.