REGISTER

Currently, TAESA holds 43 transmission concessions: (i) 14 concessions that comprise the holding company (TSN, Novatrans, ETEO, GTESA, PATESA, NTE, STE, ATE, ATE II, ATE III, Saíra, Miracema and Sant’Ana); (ii) 10 full investees (Brasnorte, São Gotardo, Mariana, , Janaúba, São João, São Pedro, Munirah,Lagoa Nova, Ananaí,Pitiguari, and Tangará); and (iii) shareholding interest in 19 companies (ETAU, Transmineiras, AIE Group, and TBE Group).

ATE III - Regulatory Financial Statements - DCR - on December 31, 2022*

ATE III – Financial Statements for the Year Ended December, 31, 2022*

ATE III – Financial Statements for the Year Ended December, 31, 2021*

ATE III - Regulatory Financial Statements - DCR - on December 31, 2020*

ATE III – Financial Statements for the Year Ended December, 31, 2020*

ATE III - Regulatory Financial Statements - DCR - on December 31, 2019*

ATE III – Financial Statements for the Year Ended December, 31, 2019*

Notice to the Market - Conclusion of ATE III Capital Reduction

Notice to the Market – Approval of SUDAM Tax Incentive Renewal to Brasnorte e ATE III Concessions

ATE III - Financial Statements for the Year Ended December 31, 2018*

ATE III - Regulatory Financial Statements - DCR - at December 31, 2018*

Notice to the Market - Capital Reduction ATE III

ATE III - Financial Statements for the Year Ending December 31, 2017*

ATE III - Regulatory Financial Statements - DCR - at December 31, 2017*

ATE III - Financial Statements for the Year Ending December 31, 2016*

ATE III - Regulatory Accounting Statements - DCR - For the Year Ending December 31, 2015*

ATE III - Regulatory financial statements on December 31, 2015*

ATE III - Financial Statements for the Year Ending December 31, 2015*

ATE III - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2014*

ATE III - Regulatory financial statements on December 31, 2014*

ATE III - Financial Statements for the Year Ending December 31, 2014*

ATE III - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2013*

ATE III - Regulatory financial statements on December 31, 2013*

ATE III - Regulatory financial statements on December 31, 2012*

Brasnorte - Regulatory Financial Statements - DCR - on December 31, 2024*

Brasnorte - Financial Statements for the Year Ended December, 31, 2024*

Brasnorte - Regulatory Financial Statements - DCR - on December 31, 2023*

Brasnorte – Financial Statements for the Year Ended December, 31, 2023*

BRASNORTE - Regulatory Financial Statements - DCR - on December 31, 2022*

Brasnorte - Financial Statements for the Year Ended December 31, 2022*

Brasnorte - Regulatory Financial Statements - DCR - on December 31, 2020*

Brasnorte - Financial Statements for the Year Ended December 31, 2021*

Brasnorte - Financial Statements for the Year Ended December 31, 2020*

Brasnorte - Regulatory Financial Statements - DCR - on December 31, 2019*

Material Fact - Closing of Acquisition of Shareholding Interest in Brasnorte

Material Fact - Call for Shareholders’ Meeting about Brasnorte Acquisition

Material Fact - Brasnorte e Transmineiras (Eletrobrás Auction) - Conclusion

Notice to the Market - CADE Final Approval (Brasnorte e ETAU) – Eletrobrás Auction

Notice to the Market: Signature SPA ETAU and Brasnorte – Eletrobrás Auction

Notice to the Market – Approval of SUDAM Tax Incentive Renewal to Brasnorte e ATE III Concessions

Brasnorte - Financial Statements for the Year Ended December 31, 2018*

Brasnorte - Regulatory Accounting Statements - DCR - on December 31, 2018*

Brasnorte - Regulatory Accounting Statements - DCR - on December 31, 2017*

Brasnorte - Financial Statements for the Year Ending December 31, 2017*

Brasnorte - Financial Statements for the Year Ended December 31, 2016*

Brasnorte - Regulatory Accounting Statements - DCR - on December 31, 2015*

Brasnorte - Financial Statements for the Year Ended December 31, 2015*

Brasnorte - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2014*

Brasnorte - Regulatory Accounting Statements - DCR - on December 31, 2014*

Brasnorte - Financial Statements for the Year Ending December 31, 2014*

Brasnorte - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2013*

Brasnorte - Regulatory Accounting Statements - DCR - on December 31, 2013*

BRASNORTE - Statement of changes in fixed assets*

BRASNORTE - Comprehensive report on accounting procedures and internal controls*

ETAU - Regulatory Financial Statements - DCR - on December 31, 2024*

ETAU - Financial Statements for the Year Ended December, 31, 2024*

ETAU- Regulatory Financial Statements - DCR - on December 31, 2023*

ETAU– Financial Statements for the Year Ended December, 31, 2023*

ETAU - Regulatory Financial Statements - DCR - on December 31, 2022*

ETAU - Financial Statements for the Year Ended December 31, 2022*

ETAU - Financial Statements for the Year Ended December 31, 2021*

ETAU - Regulatory Financial Statements - DCR - on December 31, 2020*

ETAU - Financial Statements for the Year Ended December 31, 2020*

ETAU - Regulatory Financial Statements - DCR - on December 31, 2019*

ETAU - Financial Statements for the Year Ended December 31, 2019*

Material Fact – ETAU (Eletrobras Auction) – Conclusion

Notice to the Market - CADE Final Approval (Brasnorte e ETAU) – Eletrobrás Auction

Notice to the Market: Signature SPA ETAU and Brasnorte – Eletrobrás Auction

ETAU - Financial Statements for the Year Ended December 31, 2018*

ETAU - Regulatory Financial Statements - DCR - on December 31, 2018*

ETAU - Financial Statements for the Year Ending December 31, 2017*

ETAU - Regulatory financial statements on December 31, 2017*

ETAU - Financial Statements for the Year Ending December 31, 2016*

ETAU - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2015*

ETAU - Regulatory financial statements on December 31, 2015*

ETAU - Financial Statements for the Year Ending December 31, 2015*

ETAU - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2014*

ETAU - Regulatory financial statements on December 31, 2014*

ETAU - Financial Statements for the Year Ending December 31, 2014*

ETAU - Regulatory financial statements on December 31, 2013*

ETAU - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2013*

ETAU - Statement of changes in fixed assets*

ETAU - Comprehensive Report on Accounting Procedures and Internal Controls*

Material Fact (Conclusion of ETAU´s Aquisition)

Material Fact - Acquisition of ETAU / Attendance of two of the suspensive conditioners

Material Fact (ETAU’s Aquisition)

Material Fact - Capex Projections of the Projects Under Construction

Material Fact - Update of Projections for TAESA’s Projects under Construction

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2024*

Fiduciary Agent Report 2024 - Janaúba 1st Issue of Debentures*

Fiduciary Agent Report 2024 - Janaúba 2nd Issue of Debentures*

Janaúba - Financial Statements for the Year Ended December, 31, 2024*

Notice to Debenture Holders - Payment of interest on the 2nd Issuance of Janaúba's Debentures

Moody's | Credit Opinion – Janaúba*

Notice to Debenture Holders - Payment of interest and amortization on the 1st Issue of Janaúba's Debentures

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2023*

Fiduciary Agent Report 2023 - Janaúba 2nd Issue of Debentures*

Fiduciary Agent Report 2023 - Janaúba 1st Issue of Debentures*

Janaúba – Financial Statements for the Year Ended December, 31, 2023*

Notice to Debenture Holders - Payment of interest and amortization of 1st Issuance of Janaúba's Debentures

Notice to Debenture Holders - Payment of amortization and interest of 1st Issuance of Janaúba's Debentures

Notice to Debenture Holders - Payment of interest of 2nd Issuance of Janaúba's Debentures

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2022*

Janaúba – Financial Statements for the Year Ended December, 31, 2022*

Notice to Debenture Holders - Payment of interest of the 2nd Issuance of Janaúba's Debentures

Moody’s | Credit Opinion - Annual Review - Janaúba*

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2020*

Janaúba- Financial Statements for the Year Ended December 31, 2021*

Notice to the Market - Janaúba Project Enters Operation

Moody's | Rating Action Notice -Janaúba*

Janaúba – Financial Statements for the Year Ended December, 31, 2020*

Moody's assigns Ba1/Aaa.br ratings to Janauba's debentures*

2nd Call Notice - AGD - 2nd Issuance of Debentures - Janaúba*

2nd Call Notice - AGD - 1st Issuance of Debentures - Janaúba*

Call Notice - AGD - 1st Issuance of Debentures - Janaúba*

Call Notice - AGD - 2nd Issuance of Debentures - Janaúba*

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2019*

Fiduciary Agent Report - Janaúba's 2nd Issue of Debentures - Fiscal Year 2019*

Moody's assigns Ba1/Aaa.br ratings to Janauba's 2nd Issuance of debentures

Janaúba – Financial Statements for the Year Ended December, 31, 2019*

Sitawi Opinion - Second Issuance of Janaúba Debentures*

First Amendment of the Second Issuance of Debentures of Janaúba - 12/20/2019*

Deed of the Second Issuance of Debentures of Janaúba – 12/20/2019*

Notice to the Market - Conclusion of the 2nd Issuance of Simple Debentures of Janaúba

Notice to the Market - Installation License issued for Janaúba Concession

Notice to the Market - Conclusion of the 1st issue of Janaúba Debentures

First Amendment of the First Issuance of Debentures of Janaúba - 02/13/2019*

Deed of the First Issuance of Debentures of Janaúba - 01/15/2011*

Debentures of Janaúba - Distribution Agreement - 01/15/2019*

Janaúba - Financial Statements for the Year Ended December 31, 2018*

Janaúba - Regulatory Financial Statements - DCR - on December 31, 2018*

Notice to the Market - Approval of the Sudene Fiscal Benefit of the Janaúba Concession

Notice to the Market - Preliminary License Janaúba

Janaúba - Regulatory financial statements on December 31, 2017*

Janaúba - Financial Statements for the Year Ended December 31, 2017*

TAESA - Regulatory financial statements on December 31, 2012

Material Fact - Capex Projections of the Projects Under Construction

Material Fact - Update of Projections for TAESA’s Projects under Construction

Mariana - Regulatory Financial Statements - DCR - on December 31, 2024*

Mariana - Financial Statements for the Year Ended December, 31, 2024*

Mariana - Regulatory Financial Statements - DCR - on December 31, 2023*

Mariana – Financial Statements for the Year Ended December, 31, 2023*

Mariana - Regulatory Financial Statements - DCR - on December 31, 2022*

Mariana – Financial Statements for the Year Ended December, 31, 2022*

Mariana - Regulatory Financial Statements - DCR - on December 31, 2020*

Mariana – Financial Statements for the Year Ended December, 31, 2021*

Notice to the Market – Amendment to the Concession of Mariana

Mariana - Demonstrações Financeiras referentes ao Exercício findo em 31 de Dezembro de 2020

Mariana - Regulatory Financial Statements - DCR - on December 31, 2019*

Notice to the Market - Energization of Mariana Project

Mariana – Financial Statements for the Year Ended December, 31, 2019*

Mariana - Financial Statements for the Year Ended December 31, 2018*

Mariana - Regulatory Financial Statements - DCR - on December 31, 2018*

Notice to the Market - Approval of environmental license for Mariana project

Mariana - Financial Statements for the Year Ended December 31, 2017*

Mariana - Regulatory financial statements on December 31, 2017*

Mariana - Financial Statements for the Year Ended December 31, 2016*

Mariana - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2015*

Mariana - Regulatory financial statements on December 31, 2015*

Mariana - Financial Statements for the Year Ending December 31, 2015*

Mariana - Regulatory financial statements on December 31, 2014*

Mariana - Financial Statements for the Year Ending December 31, 2014*

São Gotardo - Financial Statements for the Year Ended December, 31, 2024*

São Gotardo - Regulatory Financial Statements - DCR - on December 31, 2023*

São Gotardo – Financial Statements for the Year Ended December, 31, 2023*

São Gotardo - Demonstrações Financeiras referentes ao Exercício findo em 31 de Dezembro de 2022

São Gotardo - Regulatory Financial Statements - DCR - on December 31, 2020*

São Gotardo – Financial Statements for the Year Ended December, 31, 2021*

São Gotardo – Financial Statements for the Year Ended December, 31, 2020*

São Gotardo - Regulatory Financial Statements - DCR - on December 31, 2019*

São Gotardo – Financial Statements for the Year Ended December, 31, 2019*

São Gotardo - Financial Statements for the Year Ended December 31, 2018*

São Gotardo - Regulatory Financial Statements - DCR - on December 31, 2018*

São Gotardo - Regulatory financial statements on December 31, 2017*

São Gotardo - Financial Statements for the Year Ended December 31, 2017*

São Gotardo - Financial Statements for the Year Ended December 31, 2016*

São Gotardo - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2015*

São Gotardo - Regulatory financial statements on December 31, 2015*

São Gotardo - Regulatory Financial Statements - DCR - for the Year Ending December 31, 2014*

São Gotardo - Financial Statements for the Year Ending December 31, 2014*

São Gotardo - Regulatory financial statements on December 31, 2014*

São Gotardo - Regulatory financial statements on December 31, 2013*

São Gotardo - Demonstrações Contábeis Regulatórias - DCR - Referentes ao exercicio findo em 31 de dezembro de 2012

São Gotardo - Regulatory financial statements on December 31, 2012*

* TBE – Transmissora Brasileira de Energia é um grupo econômico resultado da parceria dos acionistas majoritários, TAESA e Alupar, que atualmente são responsável por 15 concessões.