First Financial Bancorp completes acquisition of Westfield Bancorp, adds $20.6 billion in assets.

First Financial Bancorp. has completed its acquisition of Westfield Bancorp, Inc. and Westfield Bank, expanding its asset base to $20.6 billion. The acquisition strengthens First Financial's Midwest presence and provides a broader range of solutions for consumers and businesses. Westfield Bank's retail locations, commercial and insurance agency banking services, and private banking services have joined First Financial.