The transaction is expected to result in a post-tax loss of about A$17m ($18.2m) to A$20m for the Bank of Queensland.
The portfolio consists of commercial loans, finance and operating leases originated and serviced by BOQ Finance (NZ) and BOQ Equipment Finance.
It represented less than 0.5 per cent of the bank’s net loans and advances in the 2023 financial year and made an “immaterial contribution” to the bank’s profit in the same period, the bank said.
The transaction is expected to be completed in the second half of 2024.
Bank of Queensland is a regional bank and is not owned by one of the big four.
It is in the top 100 companies on the ASX when ranked by market capitalisation.
UDC Finance is owned by Japanese financial group SBI Shinsei Bank Group.
Its main focus is providing asset-based finance to New Zealand businesses for purchasing plant, vehicles and equipment.