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

Fitch affirms BBB long term issuer credit rating and stable Outlook

Lisbon, 09 September 2019 Pursuant to the terms and for the purposes of article 248-A of the

Portuguese Securities code and, NOS, SGPS, S.A. (NOS) hereby informs:

Fitch considers NOS´ rating to reflect its strong market positionan operating profile that combines well established and consistently positive key performance indicators (KPI), its diversified revenue mix, solid growth Fitch also states that NOS combines a stable and sound financial profile with one of the most developed business profilesamong its European peers.

Maintaining its investment grade long term issuer credit rating with Fitch enables NOS to reinforce the conditions to further diversify its sources of funding, extend average debt maturity and continue to reduce the already low average cost of debt.

This information is also available on NOS

www.nos.pt/ir.

Lisbon, 09 September 2019

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 09 September 2019 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 09 September 2019 07:31:05 UTC