Companhia Energetica de Minas Gerais CEMIG : Material Fact - Cemig GT executed Stock Purchase Agreements that regulate the sale of all equity interests it held in Retiro Baixo and Baguari

COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG

PUBLICLY HELD COMPANY

Corporate Taxpayer's ID (CNPJ): 17.155.730/0001-64

Company Registry (NIRE): 31300040127

CEMIG GERAÇÃO E TRANSMISSÃO S.A.

PUBLICLY HELD COMPANY

Corporate Taxpayer's ID (CNPJ): 06.981.176/0001-58

Company Registry (NIRE): 31300020550

MATERIAL FACT

COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG ("CEMIG" or "Company"), a publicly held company with shares traded on the stock exchanges of São Paulo, New York, and Madrid, hereby informs, under CVM Resolution 44/2021, of August 23, 2021, the Brazilian Securities and Exchange Commission (CVM), B3 S.A. - Brasil, Bolsa, Balcão ("B3"), and the market in general that its subsidiary CEMIG GERAÇÃO E TRANSMISSÃO S.A. ("CEMIG GT") executed, on this date, Stock Purchase Agreements that regulate the sale of all equity interests it held in Retiro Baixo Energética S.A. ("Retiro Baixo") and Baguari Energia S.A. (Baguari Energia") to FURNAS Centrais Elétricas, as follows:

1. For R$200.4 million, the interest of 49.9% held by CEMIG GT in the total Capital Stock of Retiro Baixo, which operates the Retiro Baixo Hydroelectric Power Plant, located in the State of Minas Gerais, which has an installed capacity of 81.1 MW and 34.8 MW of physical guarantee.
2. For R$393.0 million, the indirect interest of 34% held by CEMIG GT in the Baguari Consortium, which operates the Baguari Hydroelectric Power Plant, located in the State of Minas Gerais, which has an installed capacity of 140.0 MW and 81.9 MW of physical guarantee, accounting for 69.38% of Baguari Energia's total Capital Stock.

The amounts will be adjusted by 100% of the CDI rate, from the reference date of December 31, 2022, to the actual payment in the closing of transactions.

The shares transfers are subjected to certain conditions precedent that are common for transactions of this nature, among which the authorization by the Brazilian Antitrust Authority ("CADE") and the Brazilian Electricity Regulatory Agency ("ANEEL").

These transactions are in line with the Company's Strategic Planning, which provides for seizing opportunities in divesting minority stakes of Grupo Cemig.

CEMIG and CEMIG GT reaffirm their commitment to keeping shareholders, the market in general, and other stakeholders duly and timely informed about the developments of the transactions, according to the applicable regulation and in compliance with the restrictions set out in CVM rules and other applicable laws.

Belo Horizonte/MG - April 14, 2023.

Leonardo George de Magalhães

Chief Financial and Investor Relations Officer

Classification: Public