Ulster Bank are the latest mortgage-lender to face questions over the tracker mortgage scandal, when they meet the Finance Minister Paschal Donohoe later.
Yesterday executives from Bank of Ireland, KBC and Permanent TSB met Minister Donohoe.
Amid growing public anger, they're being asked to explain how they are dealing with the issue - and how they plan to compensate customers who were wrongly take off tracker mortgages.
There are indications that most customers will have their money reimbursed by Christmas, but details of compensation haven't been revealed.