National Australia Bank yesterday finalised a price of 180 pence for each share in the sale of its remaining 25 per cent stake in Clydesdale Bank, releasing around A$805 million in capital for NAB.NAB distributed the remaining 75 per cent of Clydesdale shares to the group's shareholders as part of the demerger of its UK banking arm.The final IPO price was set only five pence higher than the bottom end of a pricing range of 175 pence to 235 pence outlined a couple of weeks ago.In trading on its first day on the London Stock Exchange the shares lifted to close about six pence higher.