0000708955-03-000057 4 1 20030408 20030409 FIRST FINANCIAL BANCORP /OH/ 0000708955 6021 311042001 OH 1231 4 34 000-12379 03644065 300 HIGH ST HAMILTON OH 45011 5138674700 300 HIGH ST HAMILTON OH 45011 CISLE DONALD M 0001167394 DIRECTOR 4 C/O FIRST FINANCIAL BANCORP 300 HIGHSTREET PO BOX 476 HAMILTON OH 45012 5138674951 PO BOX 178 HAMILTON OH 45012 4 1 april03form4.txt APRIL03FORM4