Park National (PRK) 10-Q 2010 Q1 Quarterly report

	Exhibit 12
Computation of Ratio of Earnings to Fixed Charges
The following table shows the ratio of earnings to fixed charges for Park National Corporation ("Park"), which includes our subsidiaries, on a consolidated basis:

		Three Months Ended			Year Ended December 31,
			March 31, 2010		2009		2008		2007		2006		2005
Ratio of earnings to fixed charges (1):
Excluding Interest on Deposits				4.68		4.20		1.77		2.12		4.36		4.61
Including Interest on Deposits				2.40		2.02		1.26		1.31		2.09		2.44
(1)	For purposes of computing the ratios, earnings consist of income before income taxes and fixed charges. Fixed charges consist of interest on borrowings (short-term borrowings, long-term debt and subordinated debentures and notes), including/excluding interest on deposits, and one-third of rental expense, which Park believes is representative of the interest factor.
	Earnings:
	Income before income taxes		$	27,954,000	$	97,135,000	$	35,719,000	$	52,677,000	$	133,077,000	$	135,424,000
	Fixed Charges:
	Interest on deposits			12,425,000		64,620,000		89,892,000		121,021,000		82,272,000		56,899,000
	Interest on borrowings			7,397,000		29,579,000		45,574,000		46,126,000		39,043,000		36,996,000
	Rent expense interest factor (1/3)			190,118		794,866		801,147		731,723		530,030		476,528
	Total Fixed Charges:
	Including interest on deposits		$	20,012,118	$	94,993,866	$	136,267,147	$	167,878,723	$	121,845,030	$	94,371,528
	Excluding interest on deposits		$	7,587,118	$	30,373,866	$	46,375,147	$	46,857,723	$	39,573,030	$	37,472,528

Computation of Ratio of Earnings to Fixed Charges and Preferred Dividends

The following table shows the ratio of earnings to fixed charges and preferred dividends for Park National Corporation ("Park"), which includes our subsidiaries, on a consolidated basis:

		Three Months Ended			Year Ended December 31,
			March 31, 2010		2009		2008		2007		2006		2005
Ratio of earnings to fixed charges
and preferred dividends (1):
Excluding Interest on Deposits				3.89		3.52		1.77		2.12		4.36		4.61
Including Interest on Deposits				2.27		1.94		1.26		1.31		2.09		2.44
(1)	For purposes of computing the ratios, earnings consist of income before income taxes and fixed charges. Fixed charges consist of interest on borrowings (short-term borrowings, long-term debt and subordinated debentures and notes), including/excluding interest on deposits, dividends and accretion on preferred stock and one-third of rental expense, which Park believes is representative of the interest factor.
	Earnings:
	Income before income taxes		$	27,954,000	$	97,135,000	$	35,719,000	$	52,677,000	$	133,077,000	$	135,424,000
	Fixed Charges:
	Interest on deposits			12,425,000		64,620,000		89,892,000		121,021,000		82,272,000		56,899,000
	Interest on borrowings			7,397,000		29,579,000		45,574,000		46,126,000		39,043,000		36,996,000
	Preferred dividends and accretion			2,074,286		8,231,429		202,857		N/A		N/A		N/A
	Rent expense interest factor (1/3)			190,118		794,866		801,147		731,723		530,030		476,528
	Total fixed charges:
	Including interest on deposits		$	22,086,403	$	103,225,295	$	136,470,004	$	167,878,723	$	121,845,030	$	94,371,528
	Excluding interest on deposits		$	9,661,403	$	38,605,295	$	46,578,004	$	46,857,723	$	39,573,030	$	37,472,528