He wants it because he has a Comorian bank and it seems he does not have correspondent banks smi(&%
The Kingdom Bank seemingly has pretty︀ decent correspondents. They do also have UK and EU licensed entities in their group.
They offer accounts connected to SEPA and SWIFT (USD, EUR, GBP) - but target high-risk clients︁ - so it's not unexpected to see over 2K EUR for account opening and 200+︂ EUR monthly for the IBAN.