Spanish National Securities Market Commission

Marqués de Villamagna, 3

28046 MADRID

Madrid, 30 august 2011

For the purpose established in section 82 of Law 24/1988, of 28 July, regulating the Securities Market, and supplementary provisions, I am informing you of the following Relevant Fact:

The Board of Directors of ACS Actividades de Construcción y Servicios, S.A., at its meeting held today, unanimously resolved to accept the resignation of Mr. Francisco Servando Verdú Pons as a member of the Board of Directors, thanking him for the services rendered.

Sincerely,

José Luis del Valle Pérez

Director & Secretary General

ACS, Actividades de Construcción y Servicios, S.A.