Conversion of provisory certificates from ANAAOE--R to ANAAOE

NOTICE N.º 0312/07

We hereby inform that the bonds representing the debenture loan "ANA - Aeroportos de Portugal/2006 - 2016 - Taxa Variável", of ANA - Aeroportos de Portugal, S.A., registered under the code ANAAOE--R, took on 21^th March, 2007, the code ANAAOE.

INTERBOLSA, 21^th March, 2007