NOS, SGPS, S.A.

(Public Company)

Registered Offices: Rua Actor António Silva 9 Campo Grande, parish of Lumiar

1600-404 Lisbon

Registration number before the Companies Registrar of Lisbon and tax payer number 504 453 513

Registered Share Capital: EUR 5,151,613.80

Qualified Shareholding

Lisbon 07 June 2018Under the terms and for the purposes of Article 17 of the Portuguese

NO

NO

the qualified shareholding announcement below

from Harris Associates Investment Trust.

This information is also available on NOS

Lisbon, 07 June 2018

Contacts

Maria João Carrapato Head of Investor Relations Email:ir@nos.pt

Tel.: +351 21 782 4725 Fax: +351 21 782 4735

www.nos.pt/ir.

Attachments

Disclaimer

Nos SGPS SA published this content on 07 June 2018 and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on 07 June 2018 16:02:06 UTC