fnb corp agreed to buy fellow bankholding company ub bancorp for about 117 million in stock in a deal that bolsters fnbs presence in north carolina it said wednesday pittsburghbased fnb will issue 161 shares worth 1956 based on tuesdays closing price of 1215 for each share of ub fnb said the deal represents a 102 premium to tuesdays closing price of 1775 for greenville ncbased ub which has 15 banking offices and about 12 billion in total assets the acquisition which fnb expects to complete in late 2022 would bring its total assets to around 43 billion the bank said