Companhia Energetica de Minas Gerais CEMIG : Material Annoucement - Offering of Cemig’s shares in Light priced at R$ 20.00

COMPANHIA ENERGÉTICA DE MINAS GERAIS -

CEMIG

LISTED COMPANY - CNPJ 17.155.730/0001-64 - NIRE 31300040127

MATERIAL ANNOUNCEMENT

Offering of Cemig's shares in Light priced at R$ 20.00

Complementing its Material Announcement of January 7, 2021, Cemig (Companhia Energética de Minas Gerais, listed in São Paulo, New York and Madrid), in accordance with CVM Instruction 358 of January 3, 2002 as amended, hereby reports to the Brazilian Securities Commission (CVM), the São Paulo Stock Exchange (B3) and the market:

Cemig's Board of Directors has approved the price of R$ 20.00 per share for the offering of its shares in Light S.A. ('Light').

The full offering is of:

137,242,528 common shares in Light, comprising:

(i) a primary distribution of

68,621,264 new common shares to be issued by Light ('the Primary Offering'),

and (ii) a secondary distribution of

68,621,264 common shares in Light comprising the entirety of the shares held by Cemig in Light ('the Secondary Offering')

• (i) and (ii) being jointly referred to as 'the Restricted Offering',

all priced at R$ 20.00 (twenty Reais) per share ("the Price per Share"),

The total value represented by the Secondary Offering is thus

R$ 1,372,425.280.00 (one billion three hundred seventy two million four hundred twenty five thousand two hundred eighty Reais)

The decision on the Price per Share took into account the following parameters:

1. the price per common share of Light on the B3 on the date of setting of the Price per Share; and
2. indications of interest ascertained from professional investors, in terms of the quality and quantity of demand for the shares, in terms of volume and price.

Note: The Price per Share is not indicative of what prices may prevail in the market after the Restricted Offering.

This transaction is part of the execution of Cemig's Disinvestment Program, which has been widely disclosed.

Cemig will keep its stockholders and the market informed on news relating to this subject, in accordance with the applicable regulations.

Belo Horizonte, January 19, 2021

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.