Notified on 24 March 2006, this merger consists of the indirect acquisition of joint control of Auto-Estradas do Atlântico - Concessões Rodoviárias de Portugal, S.A., by Brisa - Auto-Estradas de Portugal. S.A., via its subsidiary Via Oeste, SGPS, S.A., and by Auto-Estradas do Oeste - Concessões Rodoviárias de Portugal, S.A.