CIG.C / Companhia Energética de Minas Gerais - CEMIG - Depositary Receipt (Common Stock) - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Companhia Energética de Minas Gerais - CEMIG - Depositary Receipt (Common Stock)
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LEI 254900W703PXLDSEM056
CIK 1157557
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Companhia Energética de Minas Gerais - CEMIG - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
July 30, 2025 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2025 Commission File Number 1-15224 Energ

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2025 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addr

May 16, 2025 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2025 Commission File Number 1-15224 Energy

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2025 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

May 1, 2025 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Andrea Marques de Almeida, Chief O

May 1, 2025 EX-11.1

Organization Manual

CLASIFICATION: Public Organization Manual NO-02.35 Alt. 02 Section 2 - Policies 04/11/2024 Page1/10 POLICY ON THE DISCLOSURE OF RELEVANT INFORMATION AND TRADING OF CEMIG’S SECURITIES 1. INTRODUCTION 1.1. Companhia Energética de Minas Gerais – CEMIG (“CEMIG”) is a publicly-held company with shares traded on the stock exchanges of São Paulo, New York, and Madrid, committed to implementing the best c

May 1, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549

ANNUAL REPORT AND FORM 20-F | 2024 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

May 1, 2025 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Andrea Marques de Almeida, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such s

May 1, 2025 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC FILE NUMBER 001-15224 CUSIP NUMBER 204409601 (Check one): ☐ Form 10-K ☒ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Tra

May 1, 2025 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

May 1, 2025 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG CHAPTER I NAME, CONSTITUTION, OBJECTS, HEAD OFFICE AND DURATION

Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG BY-LAWS CHAPTER I NAME, CONSTITUTION, OBJECTS, HEAD OFFICE AND DURATION Clause 1 Companhia Energética de Minas Gerais – Cemig, constituted on May 22, 1952 as a listed corporation with mixed private and public sector stockholdings, under Minas Gerais State Law 828 of December 14, 1951, is governed by these by-laws, by Laws 13303 of June 30, 2016 and 6404 of December 15, 1976, as amended (‘Law 6404/1976), and by the other applicable legislation and regulations.

May 1, 2025 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

March 7, 2025 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of March 2025 Commission File Number 1-15224 Ener

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of March 2025 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Add

January 2, 2025 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2025 Commission File Number 1-15224 En

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2025 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

December 18, 2024 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2024 Commission File Number 1-15224 E

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2024 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

November 14, 2024 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2024 Commission File Number 1-15224 E

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2024 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

October 10, 2024 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2024 Commission File Number 1-15224 En

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2024 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

July 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 1-15224 E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

April 30, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

Table of Contents Annual Report and Form 20-F 2023 CEMIG Logo Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 30, 2024 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Leonardo George de Magalhães, Chie

April 30, 2024 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

April 30, 2024 EX-1.BYLAWS

Page 1 of 19 This text is a translation, provided for information only. The original text in Portuguese is the legally valid version.

Page 1 of 19 This text is a translation, provided for information only. The original text in Portuguese is the legally valid version. Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG BY-LAWS CHAPTER I Name, constitution, objects, head office and duration Clause 1 Companhia Energética de Minas Gerais – Cemig, constituted on May 22, 1952 as a corporation with mixed private and public sector st

April 30, 2024 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

April 30, 2024 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 30, 2024 EX-97.1

POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION ("CLAWBACK POLICY")

Exhibit 97.1 POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION ("CLAWBACK POLICY") 1. OVERVIEW 1.1 In accordance with the applicable rules of the New York Stock Exchange (the “NYSE Rules”), Section 10D and Rule 10D-1 (“Rule 10D-1”) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the Board of Directors (the “Board”) of Companhia Energética de Minas Gerais - CEMIG

April 16, 2024 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2024 Commission File Number 1-15224 Ener

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2024 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Add

January 10, 2024 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2024 Commission File Number 1-15224 En

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2024 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

December 1, 2023 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2023 Commission File Number 1-15224 E

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

September 12, 2023 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of September 2023 Commission File Number 1-15224

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of September 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

July 27, 2023 CORRESP

Companhia Enérgetica de Minas Gerais — CEMIG

Companhia Enérgetica de Minas Gerais — CEMIG July 27, 2023 Via EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

July 27, 2023 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

July 27, 2023 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

July 27, 2023 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Leonardo George de Magalhães, Chie

July 27, 2023 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A (Amendment No. 1) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECUR

July 27, 2023 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

July 12, 2023 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2023 Commission File Number 1-15224 Energ

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addr

May 30, 2023 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2023 Commission File Number 1-15224 Energy

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

May 16, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT O

May 16, 2023 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 16, 2023.

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Leonardo George de Magalhães, Chie

May 16, 2023 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 16, 2023.

Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

May 16, 2023 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 16, 2023.

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

May 16, 2023 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 16, 2023.

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

April 28, 2023 NT 20-F

FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC FILE NUMBER 001-15224 CUSIP NUMBER 204409601 (Check one): ☐ Form 10-K ☒ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2022 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Tra

April 4, 2023 6-K

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2023 Commission File Number 1-15224 Ener

United States Securities and exchange commission washington, d.c. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Add

February 24, 2023 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of February 2023 Commission File Number 1-15224 Energy Company

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of February 2023 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pri

December 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 1-1522

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of registrant?s name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

December 12, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 1-1522

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of registrant’s name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

November 29, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022. Commission File Number 1-152

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022. Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of registrant’s name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

October 25, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2022 Commission File Number 1-15224 Energy Company o

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Prin

September 1, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of August 2022 Commission File Number 1-15224 Energy Company of

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of August 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princ

July 26, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2022 Commission File Number 1-15224 Energy Company of M

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princip

June 22, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2022 Commission File Number 1-15224 Energy Company of M

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princip

May 20, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2022 Commission File Number 1-15224 Energy Company of Mi

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Principa

May 17, 2022 EX-11

Statement of Ethical Principles And Code of Professional Conduct.

CEMIG?S CODE OF CONDUCT Review 2022 Contents MESSAGE FROM THE BOARD OF DIRECTORS 2 APPLICABILITY 3 ETHICAL PRINCIPLES 3 i.

May 17, 2022 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 16, 2022.

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Leonardo George de Magalhães, Chie

May 17, 2022 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 16, 2022.

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

May 17, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT O

May 17, 2022 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 16, 2022.

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

May 17, 2022 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 16, 2022.

Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

May 17, 2022 EX-1

Corporate by-laws of CEMIG, as amended and in effect since April 29, 2022.

May 17, 2022 EX-16.1

Letter from Ernst & Young Auditores Independentes S.S. to the SEC, dated May 16, 2022 regarding the change in independent registered public accounting firm.

May 16, 2022 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Ladies and Gentlemen: We have read the item 16.F ? "Change in Registrant?s Certifying Accountant? of the annual report on Form 20-F for the year ended December 31, 2021 of Companhia Energ?tica de Minas Gerais - CEMIG. We agree with the statements contained therein in relation to Ernst & Young Auditores Independ

May 5, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2022 Commission File Number 1-15224 Energy Company of Mi

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Principa

May 3, 2022 SC 13G

CIG / Cemig-Companhia Energetica / BNDES Participacoes S.A. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Companhia Energ?tica de Minas Gerais ? CEMIG (Name of Issuer) Common Shares, R$5.00 par value (Title of Class of Securities) P2577R102 (CUSIP Number) March 3, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

April 29, 2022 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING OMB APPROVAL OMB Number: 3235-0058 Expires: April 30, 2022 Estimated average burden hours per response 2.50 SEC FILE NUMBER 001-15224 CUSIP NUMBER 204409601 (Check one): ? Form 10-K xForm 20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-CEN ? Form N-CSR For Period Ended: December 31, 20

March 18, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of March 2022 Commission File Number 1-15224 Energy Company of

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of March 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princi

March 14, 2022 EX-99.(A)(I)

Amendment No. 2 to Second Amended and Restated Deposit Agreement, dated as of April 15, 2022, by and among Companhia Energética de Minas Gerais – CEMIG (the “Company”), Citibank, N.A., as depositary (the “Depositary”), and all Holders and Beneficial Owners of American Depositary Shares (“ADSs”) issued under the terms of the Second Amended and Restated Deposit Agreement (incorporated by reference to the Registration Statement on Form F-6 relating to the common share ADSs filed on March 14, 2022 (File No. 333-263528 ))

Exhibit (a)(i) COMPANHIA ENERG?TICA DE MINAS GERAIS ? CEMIG, AND CITIBANK, N.A., As Depositary, AND ALL HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES HELD UNDER THE TERMS OF THE DEPOSIT AGREEMENT, DATED AS OF JUNE 12, 2007 Amendment No. 1 to Deposit Agreement Dated as of [?] [?], 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 SECTION 1.1 Definitions 1 SECTION 1.2 Effective Date

March 14, 2022 EX-99.(A)(I)

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG, CITIBANK, N.A., As Depositary, ALL HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES HELD UNDER THE TERMS OF THE SECOND AMENDED AND RESTATED DEPOSIT AGREEMENT, DATED AS OF AUGUST 10, 2001, AS AM

Exhibit (a)(i) COMPANHIA ENERG?TICA DE MINAS GERAIS ? CEMIG, AND CITIBANK, N.A., As Depositary, AND ALL HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES HELD UNDER THE TERMS OF THE SECOND AMENDED AND RESTATED DEPOSIT AGREEMENT, DATED AS OF AUGUST 10, 2001, AS AMENDED BY AMENDMENT NO. 1 TO SECOND AMENDED AND RESTATED DEPOSIT AGREEMENT, DATED AS OF JUNE 11, 2007 Amendment No. 2 to Second

March 14, 2022 F-6 POS

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-6 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS COMPANHIA ENERGÉTICA DE MI

As filed with the Securities and Exchange Commission on March 14, 2022 Registration No.

March 14, 2022 EX-99.(D)

Exhibit (d)

Exhibit (d) March 14, 2022 Citibank, N.A. ? ADR Department 388 Greenwich Street New York, New York 10013 Ladies and Gentlemen: We refer to the Registration Statement on Form F-6 (the ?Registration Statement?) to be filed with the Securities and Exchange Commission (the ?SEC?) by the legal entity created by the Deposit Agreement (as hereinafter defined) for the purpose of registering under the Unit

March 14, 2022 F-6

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG (Exact name of

Registration No. 333 - As filed with the Securities and Exchange Commission on March 14, 2022 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS COMPANHIA ENERG?TICA DE MINAS GERAIS - CEMIG (Exact name of issuer of deposited securities as specified in its

March 14, 2022 EX-99.(A)(II)

DEPOSIT AGREEMENT by and among COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG, as Issuer CITIBANK, N.A., as Depositary, THE HOLDERS AND BENEFICIAL OWNERS OF AMERICAN DEPOSITARY SHARES ISSUED HEREUNDER Dated as of June 12, 2007

Exhibit (a)(ii) DEPOSIT AGREEMENT by and among COMPANHIA ENERG?TICA DE MINAS GERAIS - CEMIG, as Issuer AND CITIBANK, N.

January 10, 2022 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2022 Commission File Number 1-15224 Energy Company o

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2022 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Prin

November 4, 2021 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2021 Commission File Number 1-15224 Energy Company

6-K 1 cig202111036k.htm CIG202111036K FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte

August 13, 2021 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of August 2021 Commission File Number 1-15224 Energy Company of

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of August 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princ

August 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF PRIVATE FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 1-15224 En

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF PRIVATE FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of registrant?s name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

July 20, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF PRIVATE FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 1-15224 En

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF PRIVATE FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of registrant’s name into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

June 9, 2021 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2021 Commission File Number 1-15224 Energy Company of M

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princip

May 3, 2021 20-F/A

- CIGFORM20F_2020A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A (Amendment No. 1) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECUR

April 30, 2021 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated April 30, 2021.

Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

April 30, 2021 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated April 30, 2021.

Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such st

April 30, 2021 20-F

- CIGFORM20F_2020

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT

April 30, 2021 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated April 30, 2021.

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2020, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Reynaldo Passanezi Filho, Chief Ex

April 30, 2021 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated April 30, 2021.

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energ?tica de Minas Gerais?CEMIG (the ?Company?) for the period ended December 31, 2020, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Leonardo George de Magalh?es, Chie

April 30, 2021 EX-1

Corporate by-laws of CEMIG, as amended and in effect since July 31, 2020.

COMPANHIA ENERG?TICA DE MINAS GERAIS ? CEMIG Below are the original by-laws approved by the General Meeting for Formation of the Company, on May 22, 1952, filed with the Minas Gerais Commercial Board (JUCEMG) on May 27, 1952, under No.

April 14, 2021 6-K

Current Report of Foreign Issuer - CIG20210414_6K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princi

February 22, 2021 6-K

Current Report of Foreign Issuer - CIG20210219_6K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of February 2021 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pri

December 14, 2020 6-K

Current Report of Foreign Issuer - CIG20201211_6K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2020 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pri

October 22, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2020 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Prin

August 6, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of August 2020 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princ

May 26, 2020 20-F

- FORM 20-F

cigform20f2019.htm - Generated by SEC Publisher for SEC Filing Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ☐ T

May 26, 2020 EX-1

Corporate by-laws of CEMIG, as amended and in effect since August 7, 2019

exhibit1.htm - Generated by SEC Publisher for SEC Filing Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG Below are the original by-laws approved by the General Meeting for Formation of the Company, on May 22, 1952, filed with the Minas Gerais Commercial Board (JUCEMG) on May 27, 1952, under No. 57386, as amended by all the General Meetings of Stockholders held for the purpose of altering th

May 26, 2020 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 22, 2020

exhibit121.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.1 CERTIFICATION I, Reynaldo Passanezi Filho, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which s

May 26, 2020 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 22, 2020

exhibit131.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2019, as filed with the Securities and Exchange Commission on the date h

May 26, 2020 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 22, 2020

exhibit132.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2019, as filed with the Securities and Exchange Commission on the date h

May 26, 2020 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 22, 2020

exhibit122.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.2 CERTIFICATION I, Leonardo George de Magalhães, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the sta

May 14, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

cemig202005136k.htm - Generated by SEC Publisher for SEC Filing FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2020 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 301

April 28, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

cemig202004276k.htm - Generated by SEC Publisher for SEC Filing FORM 6-K securities and exchange commission washington, d.c. 20549 report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2020 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 3

March 11, 2020 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2020 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

January 6, 2020 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January, 2020 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Bra

November 8, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November, 2019 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Ad

September 19, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 6, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 12, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 3, 2019 20-F/A

CIG / Cemig-Companhia Energetica 20-F/A - - 20-F/A

20-F/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A (Amendment No. 1) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF TH

May 16, 2019 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 15, 2019.

EX-12.1 Exhibit 12.1 CERTIFICATION I, Cledorvino Belini, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to t

May 16, 2019 EX-2.6

Indenture, dated as of December 5, 2017, among CEMIG Geração e Transmissão S.A., as issuer, Companhia Energética de Minas Gerais – CEMIG, as notes guarantor, and the Bank of New York Mellon as trustee, paying agent, transfer agent and registrar and the Bank of New York Mellon SA/NV, Luxembourg Branch, as Luxembourg Paying Agent, Luxembourg Transfer Agent and Luxembourg Listing Agent (incorporated by reference to Exhibit 8 to our Annual Report on Form 20-F filed on May 25, 2005 (File No. 1-15224)).

EX-2.6 Exhibit 2.6 EXECUTION VERSION CEMIG GERAÇÃO E TRANSMISSÃO S.A., as the Company and COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG, as the Notes Guarantor INDENTURE Dated as of December 5, 2017 THE BANK OF NEW YORK MELLON, as Trustee, Paying Agent, Transfer Agent and Registrar and THE BANK OF NEW YORK MELLON SA/NV, LUXEMBOURG BRANCH as Luxembourg Paying Agent, Luxembourg Transfer Agent and Lux

May 16, 2019 EX-11

Code of Ethics.

EX-11 Exhibit 11 CEMIG STATEMENT OF ETHICAL PRINCIPLES AND CODE OF PROFESSIONAL CONDUCT Index CHAPTER 1 – GENERAL 1.

May 16, 2019 EX-1

Corporate by-laws of CEMIG, as amended and in effect since March 25, 2019.

EX-1 Exhibit 1 BY-LAWS OF COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG Below are the original by-laws approved by the General Meeting for Formation of the Company, on May 22, 1952, the minutes of which were filed with the Minas Gerais Commercial Board (JUCEMG) on May 27, 1952, under No.

May 16, 2019 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 15, 2019.

EX-13.1 Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Cledorvino Belini, Chief E

May 16, 2019 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 15, 2019.

EX-12.2 Exhibit 12.2 CERTIFICATION I, Maurício Fernandes Leonardo Júnior, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading

May 16, 2019 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 15, 2019.

EX-13.2 Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Maurício Fernandes Leonard

May 16, 2019 20-F

CIG / Cemig-Companhia Energetica 20-F 20-F

20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 30, 2019 NT 20-F

CIG / Cemig-Companhia Energetica NT 20-F NT 20-F

NT 20-F SEC FILE NUMBER 001-15224 CUSIP NUMBER 204409601 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 9, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 11, 2019 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2019 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1219 30190-131 Belo Horizonte, Minas Gerais, Brazil (Ad

January 11, 2019 CORRESP

CIG / Cemig-Companhia Energetica

CORRESP Companhia Energética de Minas Gerais – CEMIG January 11, 2019 Via EDGAR Ms.

December 13, 2018 CORRESP

CIG / Cemig-Companhia Energetica

CORRESP Companhia Energética de Minas Gerais — CEMIG December 13, 2018 Via EDGAR Ms.

September 11, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 19, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2018 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addres

June 4, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 29, 2018 20-F/A

CIG / Cemig-Companhia Energetica AMENDMENT NO.1 TO FORM 20-F

Amendment No.1 to Form 20-F UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A (Amendment No. 1) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 or ☐ TRANSITION REPORT PURSUANT TO SECT

May 8, 2018 20-F

CIG / Cemig-Companhia Energetica FORM 20-F

Form 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

May 8, 2018 EX-16.1

Letter from Deloitte Touche Tohmatsu Auditores Independentes to the SEC, dated May 07, 2018 regarding the change in independent registered public accounting firm.

EX-16.1 Exhibit 16.1 May 7, 2018 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 United States of America Dear Sirs/Madam: We have read Item 16F of Companhia Energética de Minas Gerais Annual Report on Form 20-F for the year ended December 31, 2017 (the “Annual Report”), and have the following comments: 1. We agree with the statements made in the first, second and

May 8, 2018 EX-13.2

Chief Officer for Finance and Investor Relations Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 7, 2018.

EX-13.2 Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Maura Galuppo Botelho Mart

May 8, 2018 EX-12.1

Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 7, 2018.

EX-12.1 Exhibit 12.1 CERTIFICATION I, Bernardo Afonso Salomão de Alvarenga, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

May 8, 2018 EX-1

Corporate by-laws of CEMIG, as amended and in effect since April 23, 2018.

EX-1 Page 1 of 24 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG Below are the original by-laws of Cemig approved by the General Meeting held for formation of the Company, on May 22, 1952, the minutes of which were filed with the Minas Gerais Commercial Board (JUCEMG) on May 27, 1952, under No.

May 8, 2018 EX-12.2

Chief Officer for Finance and Investor Relations Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, dated May 7, 2018.

EX-12.2 Exhibit 12.2 CERTIFICATION I, Maura Galuppo Botelho Martins, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

May 8, 2018 EX-13.1

Chief Executive Officer Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, dated May 7, 2018.

EX-13.1 Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bernardo Afonso Salomão de

April 30, 2018 NT 20-F

CIG / Cemig-Companhia Energetica NT 20-F

NT 20-F SEC FILE NUMBER 001-15224 CUSIP NUMBER 204409601 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 25, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of March, 2018 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

March 13, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2018 Commission File Number: 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Ad

February 24, 2018 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 5, 2018 6-K

CIG / Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2018 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pr

November 21, 2017 6-K

CIG / Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princip

October 11, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of October 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

September 8, 2017 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of September 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Ge

September 1, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address o

July 26, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pri

June 16, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

May 16, 2017 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG Below are the original by-laws of Cemig approved by the General Meeting held for formation of the Company, on May 22, 1952, the minutes of which were filed with the Minas Gerais Commercial Board (JUCEMG) o

Exhibit 1 COMPANHIA ENERG?TICA DE MINAS GERAIS ? CEMIG Below are the original by-laws of Cemig approved by the General Meeting held for formation of the Company, on May 22, 1952, the minutes of which were filed with the Minas Gerais Commercial Board (JUCEMG) on May 27, 1952, under No.

May 16, 2017 EX-4.36

Excerpts from concession contracts for energy generation Nos. 8, 9, 10, 11, 12, 13, 14, 15 and 16 between the Mining and Energy Ministry and CEMIG GT

Exhibit 4.36 Edition of Thursday, January 7, 2016, Section 3 (Page 122 ? Concession of the Itutinga Plant) EXCERPT FROM CONCESSION CONTRACT N?. 10/2016 TYPE: Concession Contract for provision of electricity generation services under the regime of allocation of physical offtake quota guarantees, made between the Mining and Energy Ministry (MME) and Cemig Gera??o e Transmiss?o S.A. CONTRACT N?. 10/2

May 16, 2017 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Bernardo Afonso Salom?o de Alvarenga, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with r

May 16, 2017 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

Form 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

May 16, 2017 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energ?tica de Minas Gerais?CEMIG (the ?Company?) for the period ended December 31, 2016, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Ad?zio de Almeida Lima, Chief Offi

May 16, 2017 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energ?tica de Minas Gerais?CEMIG (the ?Company?) for the period ended December 31, 2016, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Bernardo Afonso Salom?o de Alvaren

May 16, 2017 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Ad?zio de Almeida Lima, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the

May 12, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2017 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Prin

April 28, 2017 NT 20-F

Cemig-Companhia Energetica NT 20-F

NT 20-F OMB APPROVAL OMB Number: 3235-0058 Expires: October 31, 2018 Estimated average burden hours per response 2.

March 10, 2017 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of March 2017 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Bra

December 29, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2016 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

December 23, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2016 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

November 14, 2016 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Mauro Borges Lemos, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. With respect to the period covered by this report and to the best of my knowledge, this report does not contain any untrue statements of a material fact nor omits to state a material fact necessary for the statements to be made, in light of the circumstances under which s

November 14, 2016 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

November 14, 2016 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Companhia Energ?tica de Minas Gerais ? CEMIG (the ?Company?) is filing with the U.S. Securities and Exchange Commission, on the date hereof, its annual report on Form 20-F for the fiscal year ended December 31, 2015 (the ?Report?). Pursuant to Exchange Act Rules 13a?14(b) or 1

November 14, 2016 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Companhia Energ?tica de Minas Gerais ? CEMIG (the ?Company?) is filing with the U.S. Securities and Exchange Commission, on the date hereof, its annual report on Form 20-F for the fiscal year ended December 31, 2015 (the ?Report?). Pursuant to Exchange Act Rules 13a?14(b) or 1

November 14, 2016 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Fabiano Maia Pereira, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. With respect to the period covered by this report and to the best of my knowledge, this report does not contain any untrue statements of a material fact nor omits to state a material fact necessary for the statements to be made, in light of the circumstances under which

November 14, 2016 EX-4.36

Fifth Amendment to Concession Contracts No. S 002/1997–DNAEE, 003/1997–DNAEE, 004/1997–DNAEE and 005/1997–DNAEE, dated December 21, 2015, between the Federal Republic of Brazil and us, related to energy distribution service (incorporated by reference to the Form 20-F filed on November 14, 2016 (File No. 1-15224)).

Exhibit 4.36 Proof of Receipt N? 48360.000785/2016-00 [barcode] FIFTH AMENDMENT TO PUBLIC ELECTRICITY DISTRIBUTION CONCESSION CONTRACTS NO?S 002/1997?DNAEE, 003/1997?DNAEE, 004/1997?DNAEE AND 005/1997?DNAEE CEMIG DISTRIBUI??O S.A. INDEX CLAUSE ONE ? OBJECT 1 CLAUSE TWO ? CONDITIONS OF PROVISION OF THE PUBLIC SERVICE 2 CLAUSE THREE ? DISTRIBUTOR?S OBLIGATIONS AND DUTIES 3 CLAUSE FOUR ? PREROGATIVES

November 10, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2016 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

September 1, 2016 6-K

Code of Ethics (incorporated by reference to Item 7 in our Form 6-K for the month of September 2016 (File No. 1-15224)).

FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of September 2016 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addr

June 2, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2016 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pri

May 25, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2016 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Prin

May 2, 2016 NT 20-F

Cemig-Companhia Energetica NT 20-F

NT 20-F OMB APPROVAL OMB Number: 3235-0058 Expires: October 31, 2018 Estimated average burden hours per response 2.

April 6, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2016 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Pr

February 8, 2016 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of February 2016 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

December 18, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

November 19, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of November 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Ger

September 11, 2015 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of September 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais,

July 13, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of July 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address o

June 1, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

Form 6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of June 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais,

May 7, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of May 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

April 29, 2015 EX-4.35

Gasmig – Summary of Share Purchase Agreement

Exhibit 4.35 Gasmig ? Summary of Share Purchase Agreement Cemig has completed the acquisition, under a share purchase agreement with Petrobras (Petr?leo Brasileiro S.A.)(?the Share Purchase Agreement?) of the 40% equity interest held by the Petrobras subsidiary Gaspetro in Gasmig (Companhia de G?s de Minas Gerais), as previously approved by the Boards of Directors of Cemig and Petrobras, and on Oc

April 29, 2015 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION Mauro Borges Lemos, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

April 29, 2015 EX-2.5

5th issue of Debentures by Cemig GT: summary Fifth issue: unsecured, non-convertible debentures, single series, for public distribution, with additional guarantee

Exhibit 2.5 5th issue of Debentures by Cemig GT: summary Fifth issue: unsecured, non-convertible debentures, single series, for public distribution, with additional guarantee Issue Date: December 10, 2014 Maturity: December 10, 2018 Number of debentures: 140,000 Total amount: R$1.40 billion Restricted circulation: Yes Nature of restriction: The debentures may be traded in regulated securities mark

April 29, 2015 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energ?tica de Minas Gerais?CEMIG (the ?Company?) for the period ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Fabiano Maia Pereira, Chief Office

April 29, 2015 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG This document is: the original by-laws approved by the Founding General Meeting, on May 22, 1952, the minutes of which were filed at the Minas Gerais Commercial Board (JuCEMG) on May 27, 1952, under Nº 573

Exhibit 1 COMPANHIA ENERG?TICA DE MINAS GERAIS ? CEMIG This document is: the original by-laws approved by the Founding General Meeting, on May 22, 1952, the minutes of which were filed at the Minas Gerais Commercial Board (JuCEMG) on May 27, 1952, under N? 57386, as amended by all General Meetings of Stockholders held for the purpose of change in the by-laws, up to and including the EGM held on June 3rd, 2014, the minutes of which were filed at the Minas Gerais Commercial Board (JuCEMG) on June 27th, 2014, under N? 5327949.

April 29, 2015 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F

20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 29, 2015 EX-2.7

Cemig D – 8TH Issue of Promissory Notes – Summary Eighth issue of Promissory Notes by Cemig D – in a single series.

Exhibit 2.7 Cemig D ? 8TH Issue of Promissory Notes ? Summary Eighth issue of Promissory Notes by Cemig D ? in a single series. Issue Date: April 1, 2015 Maturity: June 26, 2016 Number of debentures: 340 Total amount: R$1.70 billion Restrictions on trading: Yes Nature of restriction: The Notes may be traded only in regulated securities markets after more than 90 days from the date of their subscri

April 29, 2015 EX-2.6

Cemig GT – 5th Issue of Promissory Notes – Summary Fifth issue of Promissory Notes – in a single series.

Exhibit 2.6 Cemig GT ? 5th Issue of Promissory Notes ? Summary Fifth issue of Promissory Notes ? in a single series. Issue Date: June 27, 2014 Maturity: June 22, 2015 Number of debentures: 140 Total amount: R$1.40 billion Restrictions on trading: Yes Nature of restriction: The Notes may be traded in regulated securities markets only after more than 90 days from the date of their subscription or ac

April 29, 2015 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energ?tica de Minas Gerais?CEMIG (the ?Company?) for the period ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, Mauro Borges Lemos, Chief Executiv

April 29, 2015 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Fabiano Maia Pereira, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the pe

April 15, 2015 6-K

Cemig-Companhia Energetica 6-K (Current Report of Foreign Issuer)

6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Bra

April 9, 2015 6-K

Cemig-Companhia Energetica FORM 6-K (Current Report of Foreign Issuer)

FORM 6-K Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of April 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant?s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais

February 27, 2015 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - FORM 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of February 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

January 30, 2015 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - FORM 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of January 2015 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addres

January 23, 2015 CORRESP

CIG / Cemig-Companhia Energetica CORRESP - -

CORRESP Companhia Energética de Minas Gerais — CEMIG January 23, 2015 Via EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

December 30, 2014 CORRESP

CIG / Cemig-Companhia Energetica CORRESP - -

CORRESP Paul Hastings LLP December 30, 2014 Via Edgar United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

December 22, 2014 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - FORM 6-K

Form 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of foreign private issuer pursuant to rule 13a-16 or 15d-16 of the securities exchange act of 1934 For the month of December 2014 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Addre

November 5, 2014 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2014 Commission File Number 1-15224 ENERGY COMPANY OF MINAS GERAIS (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of

September 30, 2014 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Bra

August 22, 2014 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

July 3, 2014 6-K

CIG / Cemig-Companhia Energetica 6-K - Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

June 12, 2014 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

May 8, 2014 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

April 30, 2014 EX-4.37

Equity interest in Renova: summary of the Share Purchase Agreement

Exhibit 4.37 Equity interest in Renova: summary of the Share Purchase Agreement On June14, 2013 Cemig GT signed a share purchase agreement with Petrobras, for acquisition of 49% of the equity of Brasil PCH (‘the Brasil PCH Share Purchase Agreement’). On August 8, 2013, Cemig GT signed an investment agreement with Renova Energia to establish, among other matters, the structuring of Chipley SP Parti

April 30, 2014 EX-2.5

Cemig GT — 4

Exhibit 2.5 Cemig GT — 4th Issue of non-convertible debentures — Summary The Fourth Debenture Issue by Cemig GT: unsecured, nonconvertible debentures, in a single series, for pubic distribution. Issue Date: December 23, 2013 Maturity date: December 23, 2016 Total amount: R$ 500 million Restrictions on circulation: Yes Restriction: The Debentures may be traded in regulated securities markets and on

April 30, 2014 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I. Djalma Bastos de Morais, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the

April 30, 2014 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS — This document is: the original by-laws approved by the Founding General Meeting, on May 22, 1952, the minutes of which were filed at the Minas Gerais Commercial Board (JuCEMG) on May 27, 1952, under Nº. 57386, a

EX-1 2 a14-113011ex1.htm EX-1 Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS — CEMIG This document is: the original by-laws approved by the Founding General Meeting, on May 22, 1952, the minutes of which were filed at the Minas Gerais Commercial Board (JuCEMG) on May 27, 1952, under Nº. 57386, as amended by all General Meetings of Stockholders held for the purpose of change in the by-laws, up to a

April 30, 2014 EX-4.38

Share purchase agreement between Cemig GT and Vale

Exhibit 4.38 Share purchase agreement between Cemig GT and Vale On December 19, 2013 Cemig GT and Vale S.A. signed commercial and stockholding documents for creation of the company Aliança Geração de Energia S.A. (Aliança), to be a platform for consolidation of generation assets held by the parties in generation consortia, and investments in future electricity generation projects. The two parties

April 30, 2014 EX-4.36

Equity participation in Renova: summary of the Investment Agreement

Exhibit 4.36 Equity participation in Renova: summary of the Investment Agreement On August 8, 2013 Cemig GT signed an Investment Agreement with Light Energia, RR Participações and Renova governing, among other matters, entry of Cemig GT into the controlling stockholding block of Renova, through subscription by Cemig GT of 87,186,035 new common shares to be issued by Renova. The equity interest hel

April 30, 2014 EX-2.6

CEMIG D — 7TH ISSUE OF PROMISSORY NOTES — SUMMARY

EX-2.6 4 a14-113011ex2d6.htm EX-2.6 Exhibit 2.6 CEMIG D — 7TH ISSUE OF PROMISSORY NOTES — SUMMARY The Seventh issue of Commercial Promissory Notes, in a single series, for public distribution, with restricted placement efforts, in accordance with CVM Instruction 476 of January 16, 2099. Issue Date: April 8, 2014 Maturity date: April 3, 2015 Total amount: R$ 1.2 billion Restriction: The Notes may b

April 30, 2014 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Djalma Bastos de Morais, Chief Exe

April 30, 2014 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Luiz Fernando Rolla, Chief Officer

April 30, 2014 EX-4.39

Madeira Energia S.A. – Share Purchase Agreement

Exhibit 4.39 Madeira Energia S.A. – Share Purchase Agreement Madeira Energia S.A. (‘Mesa’) is a special-purpose company formed to hold the concession for construction and operation of the Santo Antônio Hydroelectric Project, on the Madeira River, in the municipality of Porto Velho, in the state of Rondônia, in the North of Brazil, with installed generation capacity of 3,150.4 MW. Works on the proj

April 30, 2014 20-F

- 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT

April 30, 2014 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I. Luiz Fernando Rolla, certify that: 1. I have reviewed this annual report on Form 20-F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the per

April 9, 2014 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

February 21, 2014 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

February 7, 2014 CORRESP

-

Companhia Energética de Minas Gerais — CEMIG February 7, 2014 Via EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

January 21, 2014 CORRESP

-

Companhia Enérgetica de Minas Gerais — CEMIG January 21, 2014 Via EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

January 9, 2014 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2014 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

December 20, 2013 CORRESP

-

Paul Hastings LLP December 20, 2013 Via Edgar United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

December 10, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

November 12, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

October 7, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

August 26, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

July 24, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

June 20, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

May 21, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

April 30, 2013 EX-4.33

Summary of the Share Purchase Agreement between CEMIG Capim Branco Energia S.A., Suzano Papel e Celulose S.A., and Suzano Holding S.A., intervening by Comercial Agrícola Paineiras LTDA. (‘Paineiras’) e Epícares Empreendimentos e Participações LTDA. (‘Epícares’), dated March 12, 2013 (incorporated by reference to the Form 20-F filed on April 30, 2013 (File No. 1-15224)).

Exhibit 4.33 Summary of the Share Purchase Agreement between Cemig Capim Branco Energia S.A., Suzano Papel e Celulose S.A., and Suzano Holding S.A., internening by Comercial Agrícola Paineiras LTDA (“Paineiras”) e Epícares Empreendimentos e Participações LTDA (“Epícares”) On March 12th, 2013, Cemig Capim Branco Energia S.A (“Cemig Capim Branco”) signed a Share Purchase Agreement with Suzano Papel

April 30, 2013 EX-4.30

Initial Announcement of Public Distribution, under the Regime of Firm Guarantee of Placement, of Unsecured Debentures Not Convertible into Shares, with Additional Guarantee, in Three Series, of the Third Issue by CEMIG D, dated March 19, 2012 (incorporated by reference to the Form 20-F filed on April 30, 2013 (File No. 1-15224)).

Exhibit 4.30 INITIAL ANNOUNCEMENT OF PUBLIC DISTRIBUTION, UNDER THE REGIME OF FIRM GUARANTEE OF PLACEMENT, OF UNSECURED DEBENTURES NOT CONVERTIBLE INTO SHARES, WITH ADDITIONAL GUARANTEE, IN THREE SERIES, OF THE THIRD ISSUE BY CEMIG DISTRIBUIÇÃO S.A. Listed company – CVM Nº 02030-3 CNPJ/MF nº 06.981.180/0001-16 – NIRE Nº 3130002056-8 Av. Barbacena 1200, 17th floor, A1 Wing, Santo Agostinho 30190-13

April 30, 2013 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG LISTED COMPANY CNPJ 17.155.730/0001-64 – NIRE 31300040127 B Y L A W S CHAPTER I Name, constitution, objects, head office and duration

Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG LISTED COMPANY CNPJ 17.155.730/0001-64 – NIRE 31300040127 B Y L A W S CHAPTER I Name, constitution, objects, head office and duration Clause 1 Companhia Energética de Minas Gerais – Cemig, constituted on May 22, 1952 as a corporation with mixed private and public sector stockholdings, is governed by these Bylaws and by the applicable legislati

April 30, 2013 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Luiz Fernando Rolla, certify that: 1. I have reviewed this annual report on Form 20 F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the per

April 30, 2013 EX-4.31

Initial Announcement of Public Distribution, under the Regime of Best Efforts for Placement, of Unsecured Debentures Not Convertible into Shares, with Additional Guarantee, in up to Three Series, of the Third Issue by CEMIG GT, dated March 12, 2012 (incorporated by reference to the Form 20-F filed on April 30, 2013 (File No. 1-15224)).

Exhibit 4.31 INITIAL ANNOUNCEMENT OF PUBLIC DISTRIBUTION, UNDER THE REGIME OF BEST EFFORTS FOR PLACEMENT, OF UNSECURED DEBENTURES NOT CONVERTIBLE INTO SHARES, WITH ADDITIONAL GUARANTEE, IN UP TO THREE SERIES, OF THE THIRD ISSUE BY CEMIG GERAÇÃO E TRANSMISSÃO S.A. (“CEMIG GT”) Listed Company – CVM Nº 02032-0 CNPJ/MF 06.981.176/0001-58; NIRE 3130002055-0 Av. Barbacena 1200, 12th floor, B1 Wing, Sant

April 30, 2013 20-F

- 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 or x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2012 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT

April 30, 2013 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais–CEMIG (the “Company”) for the period ended December 31, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Djalma Bastos de Morais, Chief Exe

April 30, 2013 EX-4.32

Summary of Private Contract for Investment in Transmission Assets, among CEMIG, CEMIG GT and Taesa dated May 17, 2012 (incorporated by reference to the Form 20-F filed on April 30, 2013 (File No. 1-15224)).

Exhibit 4.32 Summary of Private Contract for Investment in Transmission Assets, among Companhia Energética de Minas Gerais – Cemig, Cemig Geração e Transmissão S.A. e Trasmissora Aliança de Energia Elétrica S.A. dated May 17, 2012. On May 17, 2012 Cemig and Cemig GT signed, with Cemig GT’s subsidiary Taesa, a contract referred to as the Transmission Assets Investment Contract, in the amount of R$

April 30, 2013 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais–CEMIG (the “Company”) for the period ended December 31, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Luiz Fernando Rolla, Chief Officer

April 30, 2013 EX-4.35

Summary of the Commitment Undertaking for Settlement, signed between the State of Minas Gerais and CEMIG, dated November 22, 2012 (incorporated by reference to the Form 20-F filed on April 30, 2013 (File No. 1-15224)).

Exhibit 4.35 Summary of the Commitment Undertakings for settlement of the CRC Account: COMMITMENT UNDERTAKING FOR SETTLEMENT, SIGNED BETWEEN THE STATE OF MINAS GERAIS AND COMPANHIA ENERGETICA DE MINAS GERAIS – CEMIG On November 20, 2012, Companhia Energética de Minas Gerais – Cemig (“Cemig”) and the State of Minas Gerais entered into a Commitment Undertaking reflecting the parties’ commitment to a

April 30, 2013 EX-4.34

Auditors' Letter Regarding Change in Auditor

Exhibit 4.34 Auditors' Letter Regarding Change in Auditor April 29, 2013 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We were previously principal auditors for Companhia Energética de Minas Gerais – CEMIG and, under the date of April 29, 2013, we re-issued our report on the consolidated financial statements of Companhia Energética de Minas Gerais – CEMIG as of an

April 30, 2013 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Djalma Bastos de Morais, certify that: 1. I have reviewed this annual report on Form 20 F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the

April 25, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

April 4, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

February 26, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

February 13, 2013 SC 13G/A

BR:CIG / Cia Energetica de Minas Gerais / VONTOBEL ASSET MANAGEMENT INC - VONTOBEL ASSET MANAGEMENT, INC. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Cemig SA Spons ADR (Name of Issuer) American Depository Receipt (Title of Class of Securities) 204409601 (CUSIP Number) December 31, 2012 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

January 8, 2013 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2013 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

December 18, 2012 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Braz

October 10, 2012 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazi

August 27, 2012 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil

July 17, 2012 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (

July 10, 2012 SC 13G/A

BR:CIG / Cia Energetica de Minas Gerais / LAZARD ASSET MANAGEMENT LLC Passive Investment

r13gaCemig SCHEDULE 13G/A CUSIP No: 204409601 1)NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON: Lazard Asset Management LLC 2)CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a)o (b)o 3)SEC USE ONLY 4)CITIZENSHIP OR PLACE OF ORGANIZATION: Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5)SOLE VOTING POWER: 11,980,592 6)SHARED VOTING POWER: -

June 15, 2012 6-K

Current Report of Foreign Issuer - 6-K

FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (Address of Princip

May 23, 2012 6-K

Current Report of Foreign Issuer - 6-K

Table of Contents FORM 6-K SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2012 Commission File Number 1-15224 Energy Company of Minas Gerais (Translation of Registrant’s Name Into English) Avenida Barbacena, 1200 30190-131 Belo Horizonte, Minas Gerais, Brazil (A

April 27, 2012 EX-4.22

English Summary of Share Purchase Agreement among, Taesa, Abengoa Concessões Brasil Holding S.A., Abengoa Construção Brasil Ltda., NTE—Nordeste Transmissora de Energia S.A. and Abengoa Participações Holding S.A., dated June 2, 2011 (incorporated by reference to the Form 20-F filed on April 27, 2012 (File No. 1-15224)).

Exhibit 4.22 Summary of the Share Purchase Agreement entered into between Transmissora Aliança de Energia Elétrica S.A., Abengoa Concessões Brasil Holding S.A., Abengoa Construção Brasil Ltda., NTE — Nordeste Transmissora de Energia S.A. and Abengoa Participações Holding S.A. On June 2, 2011, Transmissora Aliança de Energia Elétrica S.A. (“Taesa”) entered into a Share Purchase Agreement (the “NTE

April 27, 2012 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Luiz Fernando Rolla, Chief Officer

April 27, 2012 EX-4.26

English Summary of Put Option Agreement between Parati S.A. and Fundação de Seguridade Social Braslight dated July 15, 2011 (incorporated by reference to the Form 20-F filed on April 27, 2012 (File No. 1-15224)).

Exhibit 4.26 Summary of the Put Option agreed between Parati S.A and Fundação de Seguridade Social Braslight On July 15, 2011, Parati S.A. — Participações em Ativos de Energia Elétrica (“Parati”), an affiliated company of Cemig, through Luce LLC (“Luce”), was notified by Fundação de Seguridade Social Braslight (“Braslight”), owner of 25% of the units of the investment fund Luce Brasil Fundo de Inv

April 27, 2012 EX-4.24

English Summary of Share Purchase Agreement between Taesa and Abengoa Concessões Brasil Holding S.A. dated March 16, 2012 (incorporated by reference to the Form 20-F filed on April 27, 2012 (File No. 1-15224)).

Exhibit 4.24 Summary of the Share Purchase Agreement entered into between Transmissora Aliança de Energia Elétrica S.A. and Abengoa Concessões Brasil Holding S.A. On March 16, 2012, Transmissora Aliança de Energia Elétrica S.A. (“Taesa”) entered into an agreement for sale of shares held by Abengoa Concessões Brasil Holding S.A. (“Abengoa Concessões”), representing 50% of the share capital of União

April 27, 2012 EX-1

COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG LISTED COMPANY CNPJ 17.155.730/0001-64 — NIRE 31300040127 This document is: the original Bylaws approved by the Founding General Meeting, on May 22, 1952 — the minutes of which were filed at the Minas Gera

Exhibit 1 COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG LISTED COMPANY CNPJ 17.155.730/0001-64 — NIRE 31300040127 This document is: the original Bylaws approved by the Founding General Meeting, on May 22, 1952 — the minutes of which were filed at the Minas Gerais Commercial Board on May 27, 1952, under Nº 57386 — with all changes subsequently made by General Meetings of Stockholders held for change

April 27, 2012 EX-12.1

CERTIFICATION

Exhibit 12.1 CERTIFICATION I, Djalma Bastos de Morais, certify that: 1. I have reviewed this annual report on Form 20 F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the

April 27, 2012 EX-12.2

CERTIFICATION

Exhibit 12.2 CERTIFICATION I, Luiz Fernando Rolla, certify that: 1. I have reviewed this annual report on Form 20 F of CEMIG; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the per

April 27, 2012 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ENACTED BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report on Form 20-F of Companhia Energética de Minas Gerais—CEMIG (the “Company”) for the period ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Djalma Bastos de Morais, Chief Exe

April 27, 2012 EX-4.21

English Summary of Share Purchase Agreement among, Taesa, Abengoa Concessões Brasil Holding S.A. and Abengoa Participações Holding S.A., dated June 2, 2011 (incorporated by reference to the Form 20-F filed on April 27, 2012 (File No. 1-15224)).

Exhibit 4.21 Summary of the Share Purchase Agreement between Transmissora Aliança de Energia Elétrica S.A., Abengoa Concessões Brasil Holding S.A., and Abengoa Participações Holding S.A. On June 2, 2011, Transmissora Aliança de Energia Elétrica S.A. (“Taesa”) signed a Share Purchase Agreement (the “Newco Share Purchase Agreement”) with Abengoa Concessões Brasil Holding S.A. (“Abengoa Concessões”),

April 27, 2012 EX-4.29

Summary of Indenture Covering the Public Distribution of Non-Convertible Unsecured Debentures, dated March 13, 2012, between CEMIG Geração e Transmissão S.A., HSBC Corretora de Títulos e Valores Mobiliários S.A., Banco BTG Pactual S.A. and Banco do Nordeste do Brasil S.A. (incorporated by reference to the Form 20-F filed on April 27, 2012 (File No. 1-15224)).

Exhibit 4.29 INITIAL ANNOUNCEMENT OF PUBLIC DISTRIBUTION, UNDER THE REGIME OF BEST EFFORTS FOR PLACEMENT, OF UNSECURED DEBENTURES NOT CONVERTIBLE INTO SHARES, WITH ADDITIONAL GUARANTEE, IN UP TO THREE SERIES, OF THE THIRD ISSUE BY CEMIG GERAÇÃO E TRANSMISSÃO S.A. (“CEMIG GT”) Listed Company — CVM Nº 02032-0 CNPJ/MF 06.981.176/0001-58; NIRE 3130002055-0 Av. Barbacena 1200, 12th floor, B1 Wing, Sant

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