Taesa Transmissora Aliança de Energia Eletrica S A : Minutes of the Board of Directors’ Meeting held on April19, 2023

TRANSMISSORA ALIANÇA DE ENERGIA ELÉTRICA S.A.

PUBLICLY-HELD COMPANY

CNPJ [EIN] 07.859.971/0001-30

NIRE 33.3.0027843-5

MINUTES OF BOARD OF DIRECTORS' ORDINARY MEETING

HELD ON APRIL 19, 2023

DATE, TIME AND PLACE: The meeting was held on April 19, 2023, at 02:00 p.m., at the Company's headquarters and by videoconference.

ATTENDANCE AND CALL NOTICE: The meeting was convened, with the attendance of the

following Board Members of the Company, Messrs.: Reynaldo Passanezi Filho, José Reinaldo Magalhães, Reinaldo Le Grazie, Jaime Leôncio Singer, Maurício Dall'Agnese, César Augusto Ramírez Rojas, Victor Manuel Muñoz Rodriguez, Fernando Bunker Gentil, Rodrigo de Mesquita Pereira, Celso Maia de Barros, Hermes Jorge Chipp. Invited by the Board, the meeting was also attended by the shareholder ISA Investimentos e Participações do Brasil S.A., Mr. Gabriel Jaime Melguizo Posada, executive manager of Corporate Governance area of the Company. Ms. Bárbara da Cunha Xavier.

CHAIRMAN AND SECRETARY: Mr. Reynaldo Passanezi Filho presided over the meeting as Chairman, and invited me, Bárbara da Cunha Xavier, to serve as secretary. Once the meeting was installed, all members were present and the meeting was properly installed, the Board Members unanimously approved the drawing up of these minutes in a summary format.

MEETING AGENDA: (1) Information: Reporting of Advisory Committee Coordinators to the Board of Directors; (2) Proposal to open a TAESA's branch; (3) Proposal for contracting a supplier to replace the series capacitor banks at TAESA's Colinas and Imperatriz substations (REA); (4) Social and Environmental Responsibility Reports of the companies TAESA, Empresa de Transmissão do Alto Uruguai S.A. ("ETAU") and the AIE and TBE group and the respective required voting guidance; (5) Proposal for contracting an external audit firm by Interligação Elétrica Ivaí SA ("Ivaí") and the respective required voting guidance; (6) Result of the variable compensation of executive boards of TBE Group's companies for the year 2022 for payment purposes and respective required voting guidance; (7) Result of the variable compensation of the officers of the companies Interligação Elétrica Aimorés S.A. ("Aimorés"), Interligação Elétrica Paraguaçu S.A. ("Paraguaçu") and Ivaí referring to the year 2022, for payment purposes, and respective required voting guidance; (8) Information: Progress of Company's projects under construction; (9) Information: Updating of M&A Projects; (10) Information: Status

of the candidate selection process for the position of Chief Financial and Investor Relations Officer; and (11) Information: Diversity Pillar - TAESA Female Electricians.

RESOLUTIONS TAKEN: When the Board Members were asked about having any conflict of interest with the topics on the agenda, they unanimously denied. Then, the members of the Board of Directors resolved the following:

1. For information purposes, the Coordinators of the Advisory Committees to the Board of Directors reported on the discussions and recommendations made at the last meetings held.
2. Authorize the opening of the Company's branch related to the PATESA concession at Rodovia BR 304, 102, km 99, Zona Rural, in the municipality of Assú, state of Rio Grande do Norte - CEP 59.650-000.
   Resolution: Unanimously approved.
3. Approve the acquisition of the technical retraining project for the series capacitor banks at the Colinas and Imperatriz substations, under the terms and amounts described in the supporting material filed at the Company's headquarters.
   Resolution: Unanimously approved.
4. Approve TAESA's 2022 Sustainability Report and guide the vote at the meetings of the Boards of Directors of the companies of the TBE group, Aimorés, Ivaí, Paraguaçu and ETAU that deliberate on the Annual Social and Environmental Responsibility Reports for the year 2022, according to the support material filed at the Company's headquarters.
   Resolution: Unanimously approved.
5. Guide the vote at the meeting of Ivaí's Board of Directors that decides on the engagement of an external audit company for the year 2023, in accordance with the terms and conditions described in the supporting material filed at the Company's headquarters.
   Resolution: Unanimously approved.
6. Direct the vote at the respective meetings of the Board of Directors of the companies Empresa Amazonense de Transmissão de Energia S.A., Empresa Catarinense de Transmissão de Energia S.A., Empresa Regional de Transmissão de Energia S.A., Empresa Norte de Transmissão de Energia S.A. and Empresa Paraense de Transmissão de Energia S.A. that resolve on the calculation of the results of performance indicators and targets for the year 2022, in accordance with the supporting material filed at the
   Company's headquarters.
   Resolution: Unanimously approved.

1. Guide the vote at the respective meetings of the Board of Directors of the companies Aimorés, Paraguaçu and Ivaí that decide on the calculation of the results of the performance indicators and targets for the year 2022 of the Officers of the Companies, in accordance with the support material filed at the Company's headquarters.
   Resolution: Unanimously approved.
2. For information purposes, the progress of the Company's projects under construction was presented, according to the support material filed at the Company's headquarters.
3. For information purposes, the update of M&A projects was presented, according to the support material filed at the Company's headquarters.
4. For information purposes, the status of the selection process for the candidate for the position of Chief Financial and Investor Relations Officer was presented, according to the supporting material filed at the Company's headquarters.
5. For information purposes, a presentation was made on the Pillar of Diversity -
   TAESA Female Electricians, about female representation in the Company's Technical area, which included the participation of TAESA electricians, according to the support material filed at the Company's headquarters.

OTHER MATTERS OF INTEREST TO THE COMPANY: The members of the Board of

Directors present thanked Mr. Jaime Caballero Uribe and Mr. André Fernandes Berenguer for their work and dedication during their term on this Board, wishing them success in his upcoming professional challenges.

CLOSING: There being no further issues to be discussed, the meeting was adjourned, and these minutes were drawn up, read and found to be in conformity, and approved and signed by all members of the Board of Directors who voted at this meeting.

Rio de Janeiro, April 19, 2023.