Notified on 3 March 2006, the present merger consists of the acquisition of joint control of the undertakings in the group Union Española de Explosivos SA ("UEE"), by a group of individuals occupying various technical and managerial positions in the UEE Group ("Group of UEE Managers") and by the undertakings Inversiones Ibersuizas SA ("Ibersuizas") and Vista Desarrollo SA, SCR, ("Vista Desarrollo").