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

Translation of the Portuguese Original.

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

Under the terms and for the purposes of article 248.º A of the Portuguese Securities Code and of article 3.º, paragraph a) of Regulation 5/2008 of the Portuguese Securities Commission, NOS,

following

meeting held today, Mr.

Ângelo Gabriel Ribeirinho dos Santos Paupério was appointed Chairman of the Board of Directors of NOS.

atwww.nos.pt/ir.

Lisbon, 27 January 2020

Contacts

Maria João Carrapato

Head of Investor Relations

Email:ir@nos.pt

Tel.: +351 21 782 4725

Fax: +351 21 782 4735

Attachments

Disclaimer

Nos SGPS SA published this content on 27 January 2020 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 27 January 2020 17:14:00 UTC