Porter Bancorp, Inc. is a state charted bank holding company headquartered in Louisville, Kentucky. Porter’s sole subsidiary bank, PBI Bank, operates full-service branches in the greater Louisville area and in counties south of Louisville along the Interstate 65 corridor. PBI is primarily a commercial lender with the majority of its loan portfolio in commercial real estate and construction loans. Porter Bancorp, Inc. announced on June 19, 2018 that it changed its name to Limestone Bancorp, Inc., as approved by shareholders on May 23, 2018, with PBI Bank changing its name to Limestone Bank.