GUARANTY TRUST HOLDING COMPANY PLC GDR EACH REPR 50 ORD 'REGS' revenue for the last year amounted to 1.40 B USD, the most of which — 928.82 M USD — came from its highest performing source at the moment, Corporate Banking, the year earlier bringing 1.13 B USD. The greatest contribution to the revenue figure was made by Nigeria — last year it brought GUARANTY TRUST HOLDING COMPANY PLC GDR EACH REPR 50 ORD 'REGS' 1.03 B USD, and the year before that — 1.47 B USD.