Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

(Dollars in thousands)

	Nine Months Ended September 30,				Year ended December 31,
	2008		2007		2007		2006		2005		2004		2003
Computation of Earnings
Income from continuing operations	$	20,878	$	24,980	$	35,681	$	21,271	$	30,808	$	41,101	$	36,939
Add: Income tax expense		10,032		12,380		18,008		9,449		21,614		19,295		16,889
Income from continuing operations before income taxes		30,910		37,360		53,689		30,720		52,422		60,396		53,828
Fixed charges, excluding interest on deposits		6,164		6,642		8,758		10,440		19,076		19,463		17,561
Total earnings for computation, excluding interest on deposits		37,074		44,002		62,447		41,160		71,498		79,859		71,389
Interest on deposits		45,982		58,946		79,184		70,012		48,654		36,827		42,446
Total earnings for computation, including interest on deposits	$	83,056	$	102,948	$	141,631	$	111,172	$	120,152	$	116,686	$	113,835
Computation of Fixed Charges
Portion of rental expense deemed representative of interest *	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Interest on short-term borrowed funds		3,642		3,021		4,232		3,768		1,961		2,574		1,908
Interest on long-term borrowed funds		2,522		3,621		4,526		6,672		17,115		16,889		15,653
Total fixed charges, excluding interest on deposits		6,164		6,642		8,758		10,440		19,076		19,463		17,561
Interest on deposits		45,982		58,946		79,184		70,012		48,654		36,827		42,446
Total fixed charges, including interest on deposits	$	52,146	$	65,588	$	87,942	$	80,452	$	67,730	$	56,290	$	60,007
Ratio of Earnings to Fixed Charges
Excluding deposit interest		6.01		6.62		7.13		3.94		3.75		4.10		4.07
Including deposit interest		1.59		1.57		1.61		1.38		1.77		2.07		1.90

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* All of First Financial Bancorp’s leases are operating; none are capitalized.