<div id="readability-page-1">Cemig Files 2025 Form 20-F <h2>Cemig Files 2025 Form 20-F</h2> PR Newswire BELO HORIZONTE, Brazil, April 17, 2026 BELO HORIZONTE, Brazil, April 17, 2026 /PRNewswire/ -- COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG (&#34;Cemig&#34;) (NYSE: CIG, CIG.C; B3: CMIG3, CMIG4), a publicly held company with shares traded on the exchanges of São Paulo and New York, hereby informs the Brazilian Securities and Exchange Commission (CVM), B3 S.A. Brasil, Bolsa, Balcão (&#34;B3&#34;) and the markets in general that it has registered on April 17, 2026, its Form 20-F for the 2025 fiscal year (&#34;Form 20-F 2025&#34;) with the U.S. Securities and Exchange Commission (&#34;SEC&#34;). The 2025 Form 20-F 2025 was filed and is available as of April 17, 2026, at the SEC's website (www.sec.gov) and Cemig's investor relations website (http://ri.cemig.com.br).Shareholders who wish to receive, free of charge, a hard copy of the report, including the financial statements for the fiscal year ended December 31,2025, must request it by email at ri@cemig.com.br <img src="https://imageproxy.pbkrs.com/https://edge.prnewswire.com/c/img/favicon.png/query-c2Q9MjAyNi0wNC0xNyZzbj1OWTM3Mzc2?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="16" height="16" original-src="https://imageproxy.pbkrs.com/https://edge.prnewswire.com/c/img/favicon.png/query-c2Q9MjAyNi0wNC0xNyZzbj1OWTM3Mzc2"/> View original content:https://www.prnewswire.com/news-releases/cemig-files-2025-form-20-f-302746297.htmlSOURCE Cemig <img src="https://imageproxy.pbkrs.com/https://rt.prnewswire.com/rt.gif/query-RGF0ZUlkPTIwMjYwNDE3Jk5ld3NJdGVtSWQ9TlkzNzM3NiZUcmFuc21pc3Npb25fSWQ9MjAyNjA0MTcxNjMzUFJfTkVXU19VU1BSX19fX19OWTM3Mzc2?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://rt.prnewswire.com/rt.gif/query-RGF0ZUlkPTIwMjYwNDE3Jk5ld3NJdGVtSWQ9TlkzNzM3NiZUcmFuc21pc3Npb25fSWQ9MjAyNjA0MTcxNjMzUFJfTkVXU19VU1BSX19fX19OWTM3Mzc2"/> </div>

CIG.C

Cemig has filed its Form 20-F for the 2025 fiscal year with the U.S. SEC on April 17, 2026. The filing is available on the SEC's and Cemig's investor relations websites. Shareholders can request a free hard copy of the report, including financial statements for the year ended December 31, 2025, via email.