Sonaecom SGPS

Declaration of Voting Results & Voting Rights Announcements • Jun 15, 2020

NOS, SGPS, S.A. Public Company Registered Office: Rua Ator 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

ANNOUNCEMENT

owns 52.15% of NOS.

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

Lisbon, 15 June 2020

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

SONAECOM, S.G.P.S., S. A. Public Company Head Office: Lugar do Espido, Via Norte, Maia Registered at the Maia Commercial Registry Sole Registry and Tax Id nr. 502 028 351 Share Capital: Euro 230.391.627,38

(Translation from the Portuguese original)

Announcement

As announced on the 4th April 2020, SONAECOM, SGPS, S.A., holder of 50% of the share capital of ZOPT, SGPS, S.A. (hereinafter ZOPT) was informed that such affiliate had received a notice from the Tribunal Central de Instrução Criminal de Lisboa regarding the preventive seizure ("arresto preventivo") of 26,075% of the share capital of NOS, SGPS, SA (hereinafter NOS), corresponding to half of the shareholding held by ZOPT in the share capital of NOS, "and, indirectly, by the companies Unitel International Holdings, BV and Kento Holding Limited", both controlled by Isabel dos Santos. In accordance with such decision, the seized shares had been deprived of the exercise of its voting rights.

On the 12th June 2020, ZOPT received a notice from the Tribunal Central de Instrução Criminal de Lisboa, according to which ZOPT is authorized to exercise the voting rights corresponding to the 26.075% of the share capital of NOS, SGPS, SA preventively seized by order of the court.

Porto, June 15, 2020

The Representative for Market Relations

SONAECOM, S.G.P.S., S. A. Public Company Head Office: Lugar do Espido, Via Norte, Maia Registered at the Maia Commercial Registry Sole Registry and Tax Id nr. 502 028 351 Share Capital: Euro 230.391.627,38