Immediately thereafter, in 1975, local governments nationalized BNU's interests in Mozambique, which became Banco de Moçambique, and in São Tomé and Príncipe, which became National Bank of São Tomé and Príncipe.
Segera setelah itu, pada tahun 1975, pemerintah-pemerintah lokal menasionalisasi milik BNU di Mozambik menjadi Banco de Moçambique dan di Sao Tome dan Principe menjadi National Bank of São Tomé and Príncipe.