Customers Bancorp (CUBI) S-3 Shelf registration

Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

(in thousands, except ratios)

	Year Ended December 31,
	2012		2011		2010		2009			2008
Excluding Interest on Deposits
Income (Loss) From Continuing Operations Before Income Tax		36,090		5,869		28,466		(13,235	)		(1,251	)
Fixed Charges:
Interest Expense		685		603		434		607			1,306
Total earnings and fixed charges		36,775		6,472		28,900		(12,628	)		55
Total fixed charges, as above		685		603		434		607			1,306
Ratio of earnings to fixed charges		53.69		10.73		66.59		(20.80	)		0.04
Including Interest on Deposits
Total earnings and fixed charges, as above		36,775		6,472		28,900		(12,628	)		55
Add: Interest on deposits		21,076		21,861		11,112		5,729			6,832
Total earnings, fixed charges, and interest on deposits		57,851		28,333		40,012		(6,899	)		6,887
Total fixed charges, as above		685		603		434		607			1,306
Add: Interest on deposits		21,076		21,861		11,112		5,729			6,832
Total fixed charges including interest on deposits		21,761		22,464		11,546		6,336			8,138
Ratio of Earnings to Fixed Charges		2.66		1.26		3.47		(1.09	)		0.85
Amount by Which Earnings Were Insufficient to Cover Fixed Charges		—		—		—		(13,235.00	)		(1,251.00	)

Computation of Ratio of Earnings to Fixed Charges

and Preferred Stock Dividend Requirements

(in thousands, except ratios)

	Year Ended December 31,
	2012		2011		2010		2009			2008
Excluding Interest on Deposits
Income (Loss) From Continuing Operations Before Income Tax		36,090		5,869		28,466		(13,235	)		(1,251	)
Add:
Interest Expense		685		603		434		607			1,306
Preferred Stock Dividend				44
Total fixed charges and preferred stock dividends, excluding interest on deposits		685		647		434		607			1,306
Less:
Preferred Stock Dividend Requirements				44
Earnings excluding interest on deposits		36,775		6,472		28,900		(12,628	)		55
Interest on deposits		21,076		21,861		11,112		5,729			6,832
Total Earnings		57,851		28,333		40,012		(6,899	)		6,887
Ratio of Earnings to Fixed Charges		53.69		10.00		66.59		(20.80	)		0.04
Including Interest on Deposits
Interest Expense		685		603		434		607			1,306
Preferred Stock Dividend		—		44		—		—			—
Total fixed charges and preferred stock dividends, excluding interest on deposits		685		647		434		607			1,306
Interest on deposits		21,076		21,861		11,112		5,729			6,832
Total fixed charges and preferred stock dividends requirement		21,761		22,508		11,546		6,336			8,138
Ratio of Earnings to Fixed Charges		2.66		1.26		3.47		(1.09	)		0.85
Amount by Which Earnings Were Insufficient to Cover Fixed Charges		—		—		—		(13,235.00	)		(1,251.00	)