Companhia Energetica de Minas Gerais : Reply to B3 Letter 1409/2021-SLS of October 21, 2021

COMPANHIA ENERGÉTICA DE MINAS GERAIS -

CEMIG

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

MARKET NOTICE

Reply to B3 Letter 1409/2021-SLS of October 21, 2021

Inquiry by B3

To

Cia. Energética de Minas Gerais - CEMIG

Att: Mr. Leonardo George de Magalhães

Chief Investor Relations Officer.

Subject: Request for clarification of atypical share price movements

Dear Sir,

In view of recent variations in prices of the securities of your company, the number of trades in these securities and the quantities of shares traded, as shown below, we hereby request to be informed, by October 22, 2021, whether you are aware of any fact that might justify them:

ON (common) shares

		Price per share, R$			No. of	Total no.	Volume
Date	Opening	Minimum	Maximum	Average	Close	Variation	trades	of shares	R$
%
Oct. 07, 2021	17.00	16.54	17.16	16.96	17.05	0.29	1,532	424,500	7,199,812.00
Oct. 08, 2021	17.14	17.14	17.43	17.30	17.29	1.40	998	224,300	3,881,215.00
Oct. 11, 2021	17.23	17.11	18.07	17.84	17.95	3.81	1,429	372,900	6,653,180.00
Oct. 13, 2021	18.00	17.97	18.50	18.27	18.38	2.39	1,534	324,800	5,934,738.00
Oct. 14, 2021	18.39	18.34	18.67	18.53	18.61	1.25	1,176	203,100	3,763,267.00
Oct. 15, 2021	18.69	18.46	18.89	18.58	18.46	-0.80	1,974	346,400	6,436,451,00
Oct. 18, 2021	18.39	18.29	18.99	18.73	18.99	2.87	1,956	406,800	7,619,791.00
Oct. 19, 2021	18.88	18.06	18.88	18.30	18.06	-4.89	2,668	860,800	15,748,588.00
Oct. 20, 2021	18.08	18.08	18.64	18.47	18.47	2.27	2,266	439,900	8,125,220.00
Oct. 21, 2021*	18.20	17.34	18.43	17.74	17.47	-5.41	2,544	680,700	12,077,376.00

PN (preferred) shares

		Price per share, R$			No. of	Total no.	Volume
Date	Opening	Minimum	Maximum	Average	Close	Variation	trades	of shares	R$
%
Oct. 07, 2021	13.82	13.46	13.99	13.77	13.74	-0.43	20,682	15,288,200	210,558,238.00
Oct. 08, 2021	13.85	13.85	14.25	14.11	14.13	2.83	15,275	7,329,000	103,379,809.00
Oct. 11, 2021	14.12	13.92	14.80	14.54	14.58	3.18	24,490	15,271,400	222,083,132.00
Oct. 13, 2021	14.65	14.65	15.15	14.97	15.00	2.88	27,500	14,277,900	213,783,379.00
Oct. 14, 2021	15.04	14.88	15.20	15.07	15.09	0.60	18,595	7,158,600	107,881,254.00
Oct. 15, 2021	15.06	14.92	15.30	15.05	15.00	-0.59	21,713	16,693,900	251,293,905.00
Oct. 18, 2021	14.96	14.75	15.20	15.02	15.11	0.73	17,672	12,090,100	181,637,221.00
Oct. 19, 2021	15.04	14.67	15.07	14.82	14.77	-2.25	26,567	19,852,600	294,247,029.00
Oct. 20, 2021	14.81	14.80	15.06	14.90	14.81	0.27	19,582	14,156,600	210,960,318.00
Oct. 21, 2021*	14.53	13.64	14.77	14.04	13.65	-7.83	21,598	16,282,900	228,605,341.00
This text is a translation, provided for information only. The original text in Portuguese is the legally valid version.	Page 1 of 1

Reply by Cemig

Dear Ms. Ana Lucia da Costa Pereira,

In response to B3 Letter 1409/2021-SLS of October 21, 2021, in which B3 requests information on the existence of any fact of which Cemig might be aware in relation to the recent variations in price of its shares, and the increase in the number of trades and volume traded, as per the tables above, Companhia Energética de Minas Gerais - CEMIG ('Cemig'), hereby reports to you that it is not aware of any fact arising from its activities or business that could cause price variations, which has not been properly disclosed by Cemig in accordance with the terms of the specific applicable regulations, in particular CVM Instruction 358/2002.

Cemig takes this opportunity to reiterate its commitment to transparency and best market practices in disclosures to the market.

Belo Horizonte, October 22, 2021

Leonardo George de Magalhães

Chief Finance and Investor Relations Officer

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

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