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2026 Corporate Events Calendar
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2026 Reference Form (version 6)
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NOTICE TO THE MARKET - Change of Depositary Bank for the ADR Program
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comp de capital setembro
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Moody’s Local
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Notice to Shareholders - Nomination of Candidates to the Board of Directors and Request for Adoption of Cumulative Voting
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Moody's Global
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Notice to Shareholders - Declaration of Interest on Equity
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Call Notice - Extraordinary Shareholders’ Meeting
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Material Fact - Election of Chief Executive Officer and Chair of the Board of Directors
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Material Fact - Extension of the Concession for the Sá Carvalho Hydroelectric Power Plant
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Material Fact - Extension of the Concession for the Sá Carvalho Hydroelectric Power Plant
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Material Fact - Nominations by the Controlling Shareholder for CEMIG’s Board of Directors and Executive Board
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Fitch Global/Local
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Notice to the Market - Standard & Poor’s upgrades Cemig’s Ratings to “brAAA”
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S&P Local
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27th Santander Annual Conference
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S&P Global
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Composição de Capital - ing
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2Q2026 Results Webcast
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Cemig Debt Profile 2Q26
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Cemig Earnings 2Q26
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Planilha de Endividamento 2T26 (EN)
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Notice to Shareholders - Declaration of Interest on Equity
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Citi’s 18th Annual Brazil Equity Conference
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Shareholding Structure - May 2026
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Material Fact - Executive Board’s New Composition
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Notice to The Market - UN Global Compact's 100% Transparency Movement
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Notice to Shareholders - Declaration of Interest on Equity
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Notice to the Market - Cemig SIM completes the acquisition of 11 DG photovoltaic plants
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Material Fact - Federal Regional Court of the 1ST Region (TRF1) Ruling on RBSE
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Notice to the Market - Change in relevant equity interest
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Material Fact - Cybersecurity incident involving the exposure of personal data
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Material Fact - Election of new Chief Executive Officer
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ASM - Call Notice
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Notice to Shareholders - Resolutions of the ASM - DIVIDENDS/IoE
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Notice to the Market - CEMIG completes 26 years in the Dow Jones Best in Class Index (DJ BIC)
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Notice to the Market - Renegotiation of outstanding installments related to the Use of Public Assets (UBP)
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Notice to the Market - Cemig Files 2025 Form 20-F
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Artificial Intelligence (AI) Policy
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Notice to the Market - Liquidation of the 15th Issue Debentures of Cemig D
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Notice to Shareholders - Nomination of Candidate to the Fiscal Council and Request for Adoption of Cumulative Voting
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Notice to the Market - Clarifications regarding CVM/B3 inquires related to the ASM
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ASM - Proposal
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1Q2026 Results Webcast
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1Q26 Capital Expenditure
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1Q26 Debt Profile
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1Q26 RESULTS
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Earnings_1Q26
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Planilha 1Q26
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Notice to the Market - Clarifications on Official Letter 121/2026/CVM/SEP/GEA-1, dated March 25, 2026
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Notice to the Market -Completion of the acquisition of a 51% stake in Hidrelétrica Pipoca S.A.
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Notice to Shareholders - Declaration of Interest on Equity
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Notice to the Market - Cemig is once again included in the S&P Global Sustainability Yearbook and the Clean200 ™, maintains its “A List” classification in the CDP, and is recognized as one of the 10 most sustainable corporations in Latin America by Corporate Knights
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Notice to the Market - Completion of the acquisition of Empresa de Transmissão Timóteo-Mesquita S.A. (ETTM)
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UBS Latin America Conference
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Notice to the Market - Acquisition of 51% of the shares of Hidrelétrica Pipoca S.A.
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XP Infra Conference
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(*) Information available in Portuguese only
Last Updated on October 26, 2026