SEVENTH SUPPLEMENTAL TRUST DEED is made on 1 June, 2012 BETWEEN:Seventh Supplemental Trust • April 30th, 2013 • Portugal Telecom SGPS Sa • Radiotelephone communicationsContract TypeSeventh Supplemental TrustFiledApril 30th, 2013CompanyPortugal Telecom SGPS SaIndustryRadiotelephone communications