Tranche Update on BankFinancial Corporation's Equity Buyback Plan announced on March 30, 2015.

BankFinancial Corporation is a bank holding company for BankFinancial, National Association (the Bank). The Bank is a full-service, national bank providing banking, wealth management and fiduciary services to individuals, families and businesses in the Chicago metropolitan area and on a regional or national basis for commercial finance, healthcare finance, equipment finance, commercial real estate finance and treasury management business customers. The Bank offers its customers a range of loan, deposit, trust and other financial products and services through approximately 18 full-service banking offices located in Cook, DuPage, Lake and Will Counties, Illinois, and through its Internet branch, www.bankfinancial.com. It also offers a range of financial products and services that are related to loans and deposits, including cash management, funds transfers, bill payment and other online mobile banking transactions, trust services, wealth management and general insurance agency services.