Centrais Eletricas Brasileiras S A : CERTIFICATE MINUTES OF THE NINE HUNDRED EIGHTY-SIX MEETING OF THE BOARD OF DIRECTORS OF CENTRAIS ELÉTRICAS BRASILEIRAS S.A. – ELETROBRAS - Form 6-K

CERTIFICATE

MINUTES OF THE NINE HUNDRED EIGHTY-SIX MEETING OF THE BOARD OF DIRECTORS OF CENTRAIS ELÉTRICAS BRASILEIRAS S.A. - ELETROBRAS

NIRE 3330034676-7/CNPJ nº 00001180/0001-26

It certifies, for all due purposes, that the 986th meeting of the Board of Directors of Centrais Elétricas Brasileiras S.A. - Eletrobras ("Company" or "Eletrobras") was inaugurated at 11:24 am on the twenty-fifth day of July in the year two thousand and twenty-three, with the closure of works at 4:02 pm on the twenty-eighth day of July. The meeting took place virtually. Board member IVAN DE SOUZA MONTEIRO (ISM) virtually chaired the meeting and cast his vote electronically. The Board Members CARLOS EDUARDO RODRIGUES PEREIRA (CRP), PEDRO BATISTA DE LIMA FILHO (PBL), MARCELO DE SIQUEIRA FREITAS (MSF), DANIEL ALVES FERREIRA (DAF), FELIPE VILLELA DIAS (FVD), MARCELO GASPARINO DA SILVA (MGS), MARISETE FÁTIMA DADALD PEREIRA (MFP) and VICENTE FALCONI CAMPOS (VFC) participated virtually in the meeting and cast their votes electronically. The council was chaired by the Secretary of Governance FERNANDO KHOURY FRANCISCO JUNIOR (FKJ). INSTRUCTION: The support material was made available to Board Members through the Governance Portal. INSTALLATION AND DELIBERATION QUORUMS: As prescribed by art. 25, caput, of the Bylaws of Eletrobras, the deliberations of this conclave must take place in the presence of the majority of its members, and its deliberations must be taken, as a general rule, by the majority of those present, except for the cases of qualified quorum portrayed in art. 26 of the Bylaws. The meeting was installed with the presence of nine members, in compliance with the minimum installation quorum of five members, and with a minimum quorum for taking resolutions of five members, except in cases where there is an explicit record of a change in the quorum of those present at the time of the deliberation. The prior declaration of conflict of interests by the Director and/or his momentary absence from the conclave entails his subtraction for purposes of calculating the minimum quorum for the respective deliberation.DEL 103, of 07.28.2023. Corporate Governance Report - CVM Resolution No. 80/2022. RES 406, of 07.18.2023. The Board of Directors of Centrais Elétricas Brasileiras S.A. - Eletrobras, in the exercise of its attributions, substantiated in a decision of the Executive Board, in the support material, in the documents below and based on the favorable opinion issued by the Strategy, Governance and Sustainability Committee - CEGS in its 50th meeting ended on 07.25.2023, RESOLVED: Executive Board Resolution No. 406, of 07.18.2023; Executive Board Report VGR-130, dated 07.14.2023; and Executive Summary VGR-008, dated 07.19.2023. 1. Approve the filing of Attachment "D" of CVM Resolution No. 80, of March 29, 2022. 2. Determine that the Vice-Presidency of Governance, Risks and Compliance - VGR, through the Department of Strategic Governance and of Intelligence - DCGE, the Vice-Presidency of Financial and Investor Relations - VFR, through the Market Relations Department - DFRM, the Governance Secretariat - DCGG and the Executive Secretariat - DCGS adopt, in their respective areas of activity , the measures necessary to comply with this Resolution. Deliberative Quorum: Unanimity. It is hereby registered that the material pertaining to the items resolved at this meeting of the Board of Directors is filed at the Company's headquarters. There being no further matters to discuss, Chairman IVAN DE SOUZA MONTEIRO closed the related work and ordered the Board's Governance Secretary to draw up this Certificate, which, after being read and approved, was signed by the Governance Secretary. The other matters dealt with in this meeting were omitted in this certificate, for legitimate precaution, supported by the Management's duty of secrecy, in accordance with the caput of article 155 of Law 6,404/76, given that they relate to interests that are merely internal to the Company, placing therefore, outside the scope of the norm contained in § 1 of article 142 of the aforementioned Law. Attending: Chairman IVAN DE SOUZA MONTEIRO; Board Members CARLOS EDUARDO RODRIGUES PEREIRA, DANIEL ALVES FERREIRA, FELIPE VILLELA DIAS, VICENTE FALCONI CAMPOS, MARCELO DE SIQUEIRA FREITAS, MARCELO GASPARINO DA SILVA, MARISETE FÁTIMA DADALD PEREIRA, PEDRO BATISTA DE LIMA FILHO; Governance Officer: BRUNO KLAPPER LOPES; Governance Secretary: FERNANDO KHOURY FRANCISCO JUNIOR.

DEL-103/2023. Information Classification: Confidential. The classification of information, and the review of its classification, including after the deliberation, are attributions of the manager of the organizational unit responsible for the matter, pursuant to item 6.2.2 of Standard EDO-03/2017, approved by RES-453/2017 .