The Central Bank of Nigeria Governor, Godwin Emefiele; the President of African Export-Import Bank (Afreximbank), Prof. Benedict Oramah; among others are currently under investigation over the $300million the pan-African multilateral financial institution gave to Titan Trust Bank Limited to acquire 93.4 per cent stake in the Union Bank of Nigeria Plc. Others being investigated are; Aminu Yaro, a Northern business mogul and one Farouk Gumel.