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

S&P Global Ratings affirms BBB- long term issuer credit rating and stable Outlook

Lisbon, 13 February 2020 Securities code and hereby informs:

Pursuant to the terms and for the purposes of article 248-A of the Portuguese , NOS, SGPS, S.A. (NOS)

-

Stable Outlook.

S&P considers that NOS key strengths are

Pay

-mobile offering, strong local content, a well-

.

Maintaining its investment grade long term issuer credit rating with S&P 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, 13 February 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 13 February 2020 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 13 February 2020 10:15:08 UTC