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

NOS/ 2014 EUR 175M FLOATING RATE NOTES DUE SEPTEMBER 2020 Interest Payment Coupon nr. 6

We hereby give notice to holders of NOS/ 2014 EUR 175M FLOATING RATE NOTES DUE SEPTEMBER 2020 , that payment of the interest in relation to Coupon Nr. 6 will be made as from 22 September 2017, in the following amounts per bond:

Gross Interest

1,098.888888888890 EUR

IRS 28%

307.688888888889 EUR

IRC 25%

274.722222222222 EUR

Interest net of IRS

791.200000000000 EUR

Interest net of IRC

824.166666666667 EUR

The paying agent appointed for the operation is BNP Paribas Securities Services, S.C.A.

Office (Central de Valores Mobiliários) with the Code NOSAOM.

Bondholders who are covered by Article 90º of the IRC Code should submit the relevant documentation to the financial intermediary responsible for the operation, by the date set for payment of the tax to be withheld, in order to give proof of not being liable to pay or withhold taxes.

This information is also available on NOS w w w .nos.pt / ir.

Lisbon, 15 September 2017

Contacts

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

Tel.: +351 21 782 4725

Fax: +351 21 782 4735

Nos SGPS SA published this content on 15 September 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 15 September 2017 16:08:05 UTC.

Original documenthttp://www.nos.pt/institucional/Documents/Noticias e Comunicados/NOS_FRN175M_CUPAO6_ENG.pdf

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