Shareholder Notices - Interest on Equity: R$ 120 million on account of 2020 dividend

COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG

CEMIG

LISTED COMPANY - CNPJ 17.155.730/0001-64

NOTICE TO STOCKHOLDERS

Interest on Equity: R$ 120 million on account of 2020 dividend

We hereby notify stockholders that the Executive Board has decided to declare payment of Interest on Equity in the amount of R$ 120,000,000 (one hundred twenty million Reais), corresponding to R$ 0.07904259285 per share, on account of the minimum obligatory dividend for the 2020 business year.

Income tax at 15% will be deducted at source, unless the stockholder is exempt under the current legislation.

For shares traded on the São Paulo stock exchange ('B3'), this benefit will be paid to stockholders of record on September 25, 2020, in two equal installments, by June 30, 2021 and December 30, 2021. The shares will trade 'ex-' these rights on September 28, 2020.

Stockholders whose shares are not held in custody by CBLC and whose registration details are not up to date should visit any branch of Banco Itaú Unibanco S.A. (the Institution which administers Cemig's Nominal Share Registry System), with their personal identification documents, for the necessary updating.

Belo Horizonte, September 22, 2020

Leonardo George de Magalhães

Chief Finance and Investor Relations Officer

Av. Barbacena 1200

Santo Agostinho 30190-131 Belo Horizonte, MG

Brazil

Tel.: [phone] Fax [phone]

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This text is a translation, provided for information only. The original text in Portuguese is the legally valid version.