NOS SGPS

AGM Information • Apr 11, 2025

NOS, SGPS, S.A. Registered Offices: Rua Actor António Silva 9 - Campo Grande 1600-404 Lisbon Registration number before the Companies Registry and taxpayer number 504 453 513 Registered Share Capital: EUR 855,167,890.80

Information on Annual General Shareholders Meeting Deliberations

Translation of the Portuguese Original (In the event of any discrepancy, Portuguese Original shall prevail)

The Annual General Shareholders' Meeting of NOS, SGPS, S.A. ("NOS" or "Company") was held this afternoon, by use of telematic means. The proposals concerning the items of the agenda comprised in the notice to convene were decided as follows:

• · Approval of the Annual Integrated Report, which includes the Integrated Management Report (management report and consolidated non-financial statements), the Consolidated and Individual Financial Statements and Corporate Governance Report (which incorporates the Remuneration Report) and other financial statements for the year 2024, as presented by the Board of Directors.
• Approval of the distribution and allocation of profits relating to the financial year of 2024, as follows:
  • i. That an amount of €0.35 per share be paid as ordinary dividends and €0.05 per share as extraordinary dividends, totalling €0.40 per share as dividends;
  • ii. That no payment be made, with the corresponding amount per share being transferred to Free Reserves, in respect of the shares held by the Company itself on the first day of the payment period;
  • iii. That, in accordance with paragraph 3 of Article 14 of the Company's Articles of Association and by way of profit-sharing, the amount of €1,610,403.00 be allocated to the members of the Board of Directors.
• · Approval of a vote of praise to the members of the Board of Directors and its Executive Committee, of the Statutory Independent Audit Board as well as of the Statutory Auditor of the Company, under the terms of articles 455(1) and (2) of the Portuguese Companies Code.
• Approval of the amendment to paragraphs 1 and 2 of Article 4 of the Company's Articles of Association, for the specific purpose of restructuring the equity items, including the reinforcement of funds eligible to be classified as distributable, through a reduction of the Company's share capital in the amount of

€597,587,200.80, by decreasing the nominal value of each share from the current €1.66 to €0.50, without changing the total number of shares or the net asset position.

• · Approval of the granting of authorisation to the management body to, during a period of 18 months, proceed with the acquisition and disposal of own shares by the Company and its subsidiaries, in accordance with the proposal submitted by the Board of Directors.
• · Approval of the granting of authorisation to the management body to, during a period of 18 months, proceed with the acquisition and disposal of own bonds by the Company and its subsidiaries, in accordance with the proposal submitted by the Board of Directors.
• Approval of the election of the members of the Board of Directors, the Audit Committee, and the General Meeting Board, for the term of office 2025-2027, as follows:

For the Board of Directors: Chairman: Ângelo Gabriel Ribeirinho dos Santos Paupério Member: Ana Rita Ferreira Rodrigues Member: António Bernardo Aranha da Gama Lobo Xavier Member: Catarina Eufémia Amorim da Luz Tavira Van-Dúnem Member: Daniel Lopes Beato Member: Filipa de Sousa Taveira da Gama Santos Carvalho Member: João Pedro Magalhães da Silva Torres Dolores Member: Jorqe Filipe Pinto Sequeira dos Santos Graça Member: Luís Moutinho do Nascimento Member: Manuel António Neto Portugal Ramalho Eanes Member: Maria Cláudia Teixeira de Azevedo Member: Miguel Nuno Santos Almeida Member: Rosa Maria dos Santos Pedroso Pinheiro de Freitas Soares

For the General Meeting Board: Chairman: Presidente: António Agostinho Cardoso da Conceição Guedes Secretary: Maria Daniela Farto Baptista Passos

For the Audit Committee: Chairman: José Pereira Alves Member: Susana Catarina Iglésias Couto Rodrigues de Jesus Member: Paulo Cardoso Correia da Mota Pinto Alternate member: Ana Luísa Nabais Aniceto da Fonte

• Approval of the election of João Nonell Günther Amaral and Mário Filipe Moreira Leite da Silva as, respectively, Chairperson and Member of the Remuneration Committee for the term of office 2025-2027, as well as the approval of their respective remuneration conditions.

• • Approval of the proposed amendment to the remuneration policy for the members of the Company's management and supervisory bodies, as submitted by the Remuneration Committee.

All approved proposals are available at www.nos.pt/en/institutional/investors/general-meeting.

This information is also available on NOS' Investor Relations website in www.nos.pt/ir.

Lisbon, 11 April 2025

Contacts Maria João Carrapato Head of Investor Relations & Sustainability Email: ir@nos.pt Tel.: +351 21 782 4725 Fax: +351 21 782 4735