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Cemig Cemig GT Cemig D

12.31.2025 –2025 Corporate Events Calendar

12.31.2025 –2025 Corporate Events Calendar – Version 3

12.31.2025 –2025 Reference Form

12.31.2025 –4Q2025 Results Webcast

12.31.2025 –4Q25 Earnings release

12.31.2025 –4Q25 RESULTS - English

12.31.2025 –Management Report and Financial Statements 2025 - Cemig H

12.19.2025 –Notice to the Market - Cemig SIM concludes the acquisition of 10MWp in solar power plants

12.18.2025 –Company by-laws – Cemig

12.18.2025 –Company by-laws – Cemig D

12.18.2025 –Company by-laws – Cemig GT

12.18.2025 –Notice to Shareholders - Declaration of Interest on Equity

12.17.2025 –Notice To Shareholders - Declaration of Dividends

12.12.2025 –Material Fact - CEMIG announces R$44 billion investment plan for 2026-2030

12.12.2025 –Material Fact - Collective Dispute Settlement Agreement on Health Plans

12.12.2025 –Notice to Shareholders - Second payout installment

12.08.2025 –Notice to the Market - Suspension of injunction in Public Civil Action against Auction of four small power plants

12.05.2025 –Notice to the Market - Injunction granted in Public Civil Action against Auction of four small power plants

12.03.2025 –Material Fact - Collective Dispute Settlement Agreement on Health Plans

11.27.2025 –S&P Global

11.18.2025 –Notice To The Market - Liquidation of the 14th Issue Debentures of Cemig D

11.17.2025 –Bradesco CEO Conference

11.17.2025 –Conflict Of Interest Policy

10.16.2025 –Notice to the Market - Conclusion of the Onerous Transfer of Four Small Power Plants

10.06.2025 –Fitch Global/Local

10.06.2025 –NDR Boston / BTG Pactual Latam CEO Conference - New York

09.30.2025 –01 - Cemig H 3Q2025_vfinal_CLIENTE

09.30.2025 –3Q2025 Results Webcast

09.30.2025 –3Q25 Earnings release

09.30.2025 –3Q25_Results_Recurring

09.19.2025 –Material Fact - Collective Dispute Settlement Agreement on Health Plans

09.16.2025 –Safra Conference 2025

09.12.2025 –Material Fact - Collective Dispute Settlement Agreement on Health Plans

09.10.2025 –Cemig Day 2025 (video)

09.10.2025 –30th Investor Meeting – Cemig Day

09.10.2025 –Moody's Global

09.03.2025 –Moody's Local

08.14.2025 –Material Fact - Direct Action of Unconstitutionality 7,324

08.01.2025 –Material Fact - Cemig wins CCEE auction for GSF credits for concession extensions

08.01.2025 –Material Fact - Official Letter Received from the Controlling Shareholder

07.24.2025 –Cemig’s corporate risk and internal control management policy

07.11.2025 –Corporate Governance Report 2025

07.02.2025 –Citi’s 17th Annual Brazil Equities Conference

06.30.2025 –2Q2025 Results Webcast

06.30.2025 –2Q25_Results

06.30.2025 –Cemig Endividamento 2T25

06.30.2025 –Cemig Investimentos 2T25

06.30.2025 –Earnings Release Ing

06.30.2025 –FT 2ITR H

06.26.2025 –Call Notice - Extraordinary Shareholders’ Meeting

06.17.2025 –Notice to Shareholders - Declaration of Interest on Equity

06.11.2025 –Notice to Shareholders - First payout installment

05.28.2025 –Material Fact - Suspension of the injunction in the collection lawsuit filed by Forluz regarding Plan A of the Supplementary Pension Plan

05.20.2025 –Material fact - Injunction granted in collection lawsuit filed by Forluz regarding Plan A of the Supplementary Pension Plan

05.14.2025 –Notice to the Market - Cemig is recognized as one of the ten most sustainable companies on B3.

05.08.2025 –Notice to the Market - Executive Board’s New Composition

05.05.2025 –Notice to the Market – Change in relevant shareholding

04.30.2025 –Notice to Shareholders - Resolutions passed at the AESM – Dividends/IoE

04.30.2025 –Notice to the Market – Form 20-F

03.31.2025 –1Q2025 Results Webcast

03.31.2025 –1Q25 RESULTS

03.31.2025 –Earnings 1Q25

03.31.2025 –FT 1ITR H

03.24.2025 –Notice to the Market - New ruling in Class Action regarding the Auction for the Sale of Small Hydroelectric Power Plants and Hydroelectric Generating Plants

03.20.2025 –Material Fact - Delisting of Shares from Latibex

03.20.2025 –Notice to Shareholders - Declaration of Interest on Equity

03.12.2025 –Notice to the Market - Clarification on Official Letter 56/2025/CVM/SEP/GEA-1, dated March 11, 2025

02.28.2025 –Notice to the Market - CEMIG acquires Empresa de Transmissão Timóteo-Mesquita S.A. (“ETTM”)

02.20.2025 –Material fact - Decision on the Annulment Action regarding the validity of the Specific Collective Agreement of health plans

(*) Information available in Portuguese only

Last Updated on June 17, 2026