Other relevant information - Company submits the update of its committees. (On corporate governance)

Tubacex, S.A. (hereinafter, the "Company"), in compliance with the provisions of Article 227 of the Consolidated Text of the Securities Market Law, hereby announces that the Board of Directors has reviewed the composition of its committees, which are now as follows:

Xabier Sagredo Chair

Nuria López de Guereñu Member

Gracia López Member

Angel Soria Member

Ignacio Mataix Member

Rafael Martin de Bustamante Chair Isabel Lopez Member

Nuria López de Guereñu Member

Cristina Alvarez Member

Elena Guede Chair

Gracia Lopez Member

Xabier Sagredo Member

Sincerely,

Maider Cuadra

Secretary of the Board of Directors