Altri SGPS S A informs about registry of the election of the Governing Bodies for the 2026-2028 mandate

Company issuing shares admitted to trading on a regulated market

Registered Office: Rua Manuel Pinto de Azevedo, 818, Porto Share Capital: Euro 25.641.459

Registered in the Oporto Commercial Registry Office under the single registration and taxpayer number 507 172 086

Under the terms and for the purposes of paragraph a) of number 1 of article 6 of CMVM Regulation no. 1/2023, and following the resolutions taken at the Shareholders' Annual General Meeting held on 4 May 2026, Altri, SGPS, S.A. hereby informs that on the date hereof has been registered in the Commercial Registry Office the election of the following Governing Bodies for the 2026-2028 term:

Chairman - Rui Manuel Pinto Soares Pereira Dias Secretary - Mafalda Luísa de Carvalho Patrão de Sá

Chairman:

João Afonso Ramalho Sopas Pereira Bento Vice-Chairman:

João Manuel Matos Borges de Oliveira Vice-Chairman:

Paulo Jorge dos Santos Fernandes Members:

Ana Rebelo de Carvalho Menéres de Mendonça Domingos José Vieira de Matos

Pedro Miguel Matos Borges de Oliveira José Armindo Farinha Soares de Pina Carlos Alberto Sousa Van Zeller e Silva João Carlos Ribeiro Pereira

Vítor Miguel Martins Jorge da Silva

C O M U N I C A D O

Miguel Allegro Garcez Palha de Sousa da Silveira Sofia Isabel Henriques Reis Jorge

María del Carmen Gil Marín

Sandra Maria e Queiroz Bomtempo Costa Ana Sofia Vaz Pires

Verónica Maria Guimarães Lobato Catarino Soares Franco

Chairman - Sandra Maria e Queiroz Bomtempo Costa Member - María del Carmen Gil Marín

Member - Ana Sofia Vaz Pires

Ernst & Young Audit & Associados - SROC, SA., representada por Pedro Filipe Barreiros Miguel

Deloitte & Associados - SROC, SA., representada por Hugo Ricardo Alves Araújo

Chairman - Vítor Augusto Brinquete Bento Member - Anabela de Jesus Moreira Carneiro Member - Paulo Miguel Garcês Ventura

Oporto, May 6, 2026

The Securities Markets Liaison Representative

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