Altri SGPS S A announces constitution of the Executive Committee, the Corporate Governance Committee, the Ethics Committee and the Sustainability Committee

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

Altri, SGPS, S.A. informs, in accordance with and for the purposes of CMVM Regulation No. 1/2023, that, at a meeting held today, the Board of Directors decided to constitute the following Committees for the 2026-2028 term:

José Armindo Farinha Soares de Pina (Chairman) Carlos Alberto Sousa Van Zeller e Silva (Vice-Chairman) João Carlos Ribeiro Pereira

Vítor Miguel Martins Jorge da Silva

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

João Afonso Ramalho Sopas Pereira Bento (Chairman) María del Carmen Gil Marín

Verónica Maria Guimarães Lobato Catarino Soares Franco

Verónica Maria Guimarães Lobato Catarino Soares Franco (Chairman) João Afonso Ramalho Sopas Pereira Bento

Sandra Maria e Queiroz Bomtempo Costa Sofia Isabel Henriques Reis Jorge

Raquel Rocha Carvalho Susana Spratley

C O M U N I C A D O

Ana Sofia Vaz Pires (Chairman)

Ana Rebelo de Carvalho Menéres de Mendonça Sofia Isabel Henriques Reis Jorge

Cláudia Brites

Rui Cesário Pereira

Oporto, May 7, 2026

The Securities Markets Liaison Representative

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