NOS SGPS — M&A Activity 2020

Apr 1, 2020

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

Tofane Global, S.A.S. IBASIS PORTUGAL companies with wholesale international voice and SMS services, which were previously provided by NOS ICS.

Completion of this agreement is subject to non-opposition by the Competition Authority.

ion

With this transaction NOS will increase its focus on its core telecom business whilst optimizing the underlying cost structure for international voice and SMS traffic.

This information is also available on N Investor Relations website in www.nos.pt/ir.

Lisbon, 1 st of April 2020

Contacts Maria João Carrapato Head of Investor Relations Email: ir@nos.pt Tel.: +351 21 782 4725 Fax: +351 21 782 4735