COLUMBIA BANKING SYSTEM, INC. - FORM 10-K - EX-12 - COMPUTATION OF CONSOLIDATED RATIOS OF EARNINGS

file	filename
10-K - FORM 10-K - COLUMBIA BANKING SYSTEM, INC.	d10k.htm
EX-24 - POWER OF ATTORNEY - COLUMBIA BANKING SYSTEM, INC.	dex24.htm
EX-23 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - COLUMBIA BANKING SYSTEM, INC.	dex23.htm
EX-32 - SECTION 906 CERTIFICATION - COLUMBIA BANKING SYSTEM, INC.	dex32.htm
EX-21 - SUBSIDIARIES OF THE COMPANY - COLUMBIA BANKING SYSTEM, INC.	dex21.htm
EX-99.1 - CERTIFICATION OF CEO - COLUMBIA BANKING SYSTEM, INC.	dex991.htm
EX-31.1 - SECTION 302 CERTIFICATION - COLUMBIA BANKING SYSTEM, INC.	dex311.htm
EX-99.2 - CERTIFICATION OF CFO - COLUMBIA BANKING SYSTEM, INC.	dex992.htm
EX-31.2 - SECTION 302 CERTIFICATION - COLUMBIA BANKING SYSTEM, INC.	dex312.htm

EXHIBIT 12

Columbia Banking System, Inc.

Computations of Consolidated Ratios of Earnings to Combined Fixed Charges and Preferred Stock

Dividend Requirements


	2009			2008			2007		2006		2005
	*(dollars in thousands)*
Excluding interest on deposits
Fixed charges:
Interest expense (excluding interest on deposits)	$	4,433		$	10,240		$	15,467	$	13,074	$	5,312
Interest within rental expense		917			938			886		779		778
Preferred stock dividends		3,845			427			—		—		—

Total fixed charges	$	9,195		$	11,605		$	16,353	$	13,853	$	6,090

Earnings:
Income (loss) before income taxes	$	(12,946	)	$	1,062		$	44,134	$	44,236	$	41,323
Fixed charges		9,195			11,605			16,353		13,853		6,090
Less: Preferred stock dividends		(3,845	)		(427	)		—		—		—

Total earnings	$	(7,596	)	$	12,240		$	60,487	$	58,089	$	47,413

Ratio of earnings to fixed charges, excluding interest on deposits		N/A	⁽¹⁾		1.05			3.70		4.19		7.79
Coverage deficiency	$	(16,791	)		—			—		—		—

Including interest on deposits
Fixed charges:
Interest expense (excluding interest on deposits)	$	4,433		$	10,240		$	15,467	$	13,074	$	5,312
Interest expense on deposits		23,250			45,307			59,930		40,838		25,983
Interest within rental expense		917			938			886		779		778
Preferred stock dividends		3,845			427			—		—		—

Total fixed charges	$	32,445		$	56,912		$	76,283	$	54,691	$	32,073

Earnings:
Income (loss) before income taxes	$	(12,946	)	$	1,062		$	44,134	$	44,236	$	41,323
Fixed charges		32,445			56,912			76,283		54,691		32,073
Less: Preferred stock dividends		(3,845	)		(427	)		—		—		—

Total earnings	$	15,654		$	57,547		$	120,417	$	98,927	$	73,396

Ratio of earnings to fixed charges, including interest on deposits		N/A	⁽¹⁾		1.01			1.58		1.81		2.29
Coverage deficiency	$	(16,791	)		—			—		—		—

⁽¹⁾	Earnings were inadequate to cover fixed charges by $16.8 million

COLUMBIA BANKING SYSTEM, INC. - FORM 10-K - EX-12 - COMPUTATION OF CONSOLIDATED RATIOS OF EARNINGS - March 4, 2010