FIRST AMENDING AGREEMENT dated 19 February 2007 between SONAECOM, SGPS, S.A. (the "Company") And SONAECOM B.V. ("Bidco") with BANCO SANTANDER TOTTA, S.A., LONDON BRANCH, BANCA IMI S.p.A., BNP PARIBAS AND SOCIÉTÉ GÉNÉRALE (as "Arrangers" and...Banco Santander • February 20th, 2007 • Sonaecom, Sgps, S.A. • Radiotelephone communications
