First Financial Bancorp. operates as the bank holding company for First Financial Bank that provides commercial banking and related services to individuals and businesses in Ohio, Indiana, Kentucky, and Illinois. The company offers checking and savings accounts; and accepts various deposit products, such as interest-bearing and non-interest-bearing accounts, time deposits, and cash management services for commercial customers. It also provides real estate loans secured by residential property, such as one to four family residential housing units or commercial property comprising owner-occupied and/or investor income producing real estate consisting of apartments, shopping centers, and office buildings; commercial and industrial loans for various purposes, including inventory, receivables, and equipment, as well as equipment and leasehold improvement financing for franchisees; consumer loans, such as new and used vehicle loans, second mortgages on residential real estate, and unsecured loans; and home equity lines of credit.