First Financial Bancorp to Announce First Quarter 2011 Financial Results on Wednesday, April 27, 2011

CINCINNATI, April 25, 2011 /PRNewswire/ — First Financial Bancorp (Nasdaq:
FFBC) (“First Financial” or the “Company”) announced today that it expects to
release first quarter 2011 financial results after the market close on
Wednesday, April 27, 2011. A teleconference and webcast to discuss these results
will be held on Thursday, April 28, 2011 at 9:00 a.m. Eastern time.

Teleconference and Webcast Information

Date: Thursday, April 28, 2011
Time: 9:00 a.m. Eastern time
Teleconference Dial-In: 1-877-317-6789 (U.S. toll free)
(Passcode not required) 1-866-605-3852 (Canada toll free)
+1 412-317-6789 (International)
Please dial in five to ten minutes
prior to the start of the call
Teleconference Replay: 1-877-344-7529 (U.S. toll free)
(Conf. number: 450510) +1 412-317-0088 (International)
The teleconference replay will be
available one hour after the live call
has ended.
Webcast: www.bankatfirst.com/investor
The webcast will be available one hour
after the live call has ended and will
be archived at the Company’s website
Archived Webcast: for 12 months.

About First Financial Bancorp

First Financial Bancorp is a Cincinnati, Ohio based bank holding company. As of
December 31, 2010, the Company had $6.3 billion in assets, $4.3 billion in
loans, $5.1 billion in deposits and $697 million in shareholders’ equity. The
Company’s subsidiary, First Financial Bank, N.A., founded in 1863, provides
banking and financial services products through its three lines of business:
commercial, retail and wealth management. The commercial and retail units
provide traditional banking services to business and consumer clients. The First
Financial Wealth Management provides wealth planning, portfolio management,
trust and estate, brokerage and retirement plan services and had approximately
$2.3 billion in assets under management as of December 31, 2010. The company’s
strategic operating markets are located in Ohio, Indiana and Kentucky where it
operates 109 banking centers across 70 communities. Additional information about
the Company, including its products, services and banking locations is available
at www.bankatfirst.com.

SOURCE First Financial Bancorp