0000950152-98-005585 11-K 1 19971231 19980626 NONE FIRST FINANCIAL BANCORP /OH/ 0000708955 6021 311042001 OH 1231 11-K 34 000-12379 98654567 THIRD & HIGH ST HAMILTON OH 45011 5138674700 THIRD & HIGH ST HAMILTON OH 45011 11-K 1 000095015298005585-001-seq1-11-k.txt FIRST FINANCIAL BANCORP THRIFY PLAN & TRUST 11-K