NOS SGPS

Board/Management Information • Apr 26, 2016

NOS, SGPS, S.A.

Public Company Registered Office: Rua Actor António Silva 9 - Campo Grande 1600-404 Lisbon Share Capital: 5,151,613.80 Euros Registered in the Commercial Registry Office of Lisbon and Corporation no. 504 453 513

COMPOSITION OF THE EXECUTIVE COMMITTEE AND APPOINTMENT OF THE COMPANY'S CORPORATE SECRETARY

Lisbon, 26 April 2016 - Under the terms and for the purposes of article 3 of the Portuguese Securities Commission Regulation 5/2008, NOS, SGPS, S.A. ("NOS" or "Company") hereby informs that, following the Company's General Meeting held this afternoon, which elected the corporate bodies for the new term of office of 2016/2018, the Board of Directors met today, having approved the following deliberations applicable to the term in reference:

• To delegate current management in an Executive Committee, with the following composition:

Miguel Nuno Santos Almeida (Chief Executive Officer) José Pedro Faria Pereira da Costa (Vice-Chief Executive Officer) Ana Paula Garrido de Pina Marques André Nuno Malheiro dos Santos Almeida Jorge Filipe Pinto Sequeira dos Santos Graça Manuel António Neto Portugal Ramalho Eanes

• To approve the appointment of Sandra Martins Esteves Aires, as the Corporate Secretary in office and Francisco Xavier Luz Patrício Simas as the Alternate Corporate Secretary.

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

Lisbon, 26 April 2016

Contacts

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