Euskaltel S A : INSIDE INFORMATIONCommitment made by Alba in relation to the takeover bid to be launched by Kaixo Telecom SAU.

Madrid, 28 March 2021

Comisión Nacional del Mercado de Valores

C/ Edison, 4

28010 - Madrid

Dear Sirs,

Pursuant to the provisions of Article 226 of the Securities Market Act (in the text established by Royal Decree-Act 19/2018, of 23 November 2018) ("LMV"), and to the purposes of Articles 228 of the LMV, we hereby inform this National Commission of the following

PRIVILEGED INFORMATION

As communicated in the announcement of the voluntary takeover bid for the acquisition of shares of EUSKALTEL, S.A. (hereinafter, the "Company") to be formulated by Kaixo Telecom, SAU (wholly-owned subsidiary of Masmovil Ibercom, SAU) on 28 March, Alba Europe, Sarl -a company wholly-owned by Corporación Financiera Alba, S.A.-, in its capacity as shareholder of the Company, has signed an irrevocable commitment to accept the aforementioned takeover bid in respect of its entire stake in the Company, amounting to 19,650,990 shares, representing 11% of the share capital.

Yours faithfully,

José Ramón del Caño

General Secretary