Abertis Infraestructuras : The company announces the launching of a private placement of a block of Cellnex Telecom's shares

Relevant Fact

Investor Relations

Inst. Investors & Research Tel. +34 91 595 10 00

Shareholder's Office Tel. +34 902 30 10 15investor.relations@abertis.com

COMISION NACIONAL DEL MERCADO DE VALORES (CNMV)

In accordance with article 228 of the consolidated text of the Securities Market Act and article 17 of the Market Abuse Regulation, ABERTIS INFRAESTRUCTURAS, S.A. ("Abertis" or the "Selling Shareholder") hereby notifies the National Securities Market Commission (Comisión Nacional del Mercado de Valores) of the following

RELEVANT FACT

Today, Abertis has launched a private placement among qualified investors of a block of 9,499,013 ordinary shares of Cellnex Telecom, S.A., representing 4.1% of its issued share capital.

Mediobanca Banca di Credito Finanziario S.p.A. is acting as joint bookrunner in the placement.

The placement will take place through a process known as "accelerated placement" or "accelerated bookbuilding".

Once the placement is completed, Abertis will publicly report its result through the corresponding public announcement (hecho relevante).

Madrid, 4 June 2018

Not for publication or distribution in the United States, Canada, Australia or Japan

IMPORTANT INFORMATION

This document is not for publication or distribution, directly or indirectly, in or into the United

States, Canada, Australia or Japan or any other country or jurisdiction where its publication or distribution would be restricted by law. This document is not an offer of securities for sale in the United States or any other country or jurisdiction.

The offer of the securities referred to above has not been and will not be registered under the

U.S. Securities Act of 1933 (the "Securities Act") or with any securities regulatory authority of any state or other jurisdiction of the United States, or under the applicable securities laws of Canada, Australia or Japan. Securities may not be offered or sold in the United States absent registration or an exemption from registration under the Securities Act. No public offering of the securities will be made in the United States. The securities will not be offered or sold in the United States, Canada, Australia or Japan, or in any other country or jurisdiction other than in compliance with applicable law.