NOS SGPS

AGM Information • Apr 12, 2024

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 2023, as presented by the Board of Directors.
• · Approval of the distribution and allocation of profits relating to the financial year of 2023, as follows:
  • i.
  • ii. The unit amount corresponding to the own shares on the first day of the payment period is not paid, and will be transferred to Free Reserves;
  • iii. accordance with article 14(3) of the Company's Articles of Association, of an amount of 1,542,553.00 Euros.
• 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 ratification of the co-option of José Alexandre Koch Ferreira as executive member of the Board of Directors to complete the current term of office (2022-2024).

• · Approval of election of the Statutory Auditor, effective and alternate, for the term 2024/2027, as follows:
  • i. Effective: KPMG & ASSOCIADOS Sociedade de Revisores Oficiais de Contas, S.A., legal person no. 502161078, with registered office at Avenida Fontes Pereira de Melo, no. 41 -15.9, 1069-006 Lisboa, registered with the OROC under no. 189 and registered with the CMVM under no. 20161489, represented by Pedro Jorge Quental e Cruz (registered with the OROC under no. 1765 and registered with the CMVM under no. 20161607), with professional address at Avenida Fontes Pereira de Melo, no. 41 - 15.º, 1069-006 Lisboa;
  • ii. the CMVM under no. 20161611, with professional address at Avenida Fontes Pereira de Melo, no. 41 - 15.º, 1069-006 Lisboa.
• Approval of the authorisation to the Board of Directors to, over the next 18 months, acquire and dispose own shares by the Company and its subsidiaries, as per the terms of the proposal presented by that body.
• Approval of the authorisation to the Board of Directors to, over the next 18 months, acquire and dispose own bonds by the Company and its subsidiaries, as per the terms of the proposal presented by that body.

All approved proposals are available at https://www.nos.pt/en/institutional/investors/general-meeting-ofshareholders-2024.

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

Lisbon, 12 April 2024

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