Exhibit 12.1

Greater Bay Bancorp

Statement re Computation of Ratios of Earnings to Fixed Charges

	For the Years Ended December 31,
	2004		2003		2002		2001		2000
Income before income taxes	$	152,372	$	149,020	$	196,327	$	106,284	$	110,829
Fixed charges:
Interest expense		90,876		109,838		160,555		199,793		165,892
Interest factor of rental expense		7,040		6,633		6,081		3,733		2,778
Fixed charges		97,916		116,471		166,636		203,526		168,670
Less: interest expense on deposits		53,465		57,684		82,747		132,655		146,269
Net fixed charges		44,451		58,787		83,889		70,871		22,401
Earnings, excluding interest on deposits from fixed charges	$	196,823	$	207,807	$	280,216	$	177,155	$	133,230
Ratio of earnings, excluding interest on deposits, to net fixed charges(1)		4.43 x		3.53 x		3.34 x		2.50 x		5.95 x
Earnings, including interest on deposits in fixed charges	$	250,288	$	265,491	$	362,963	$	309,810	$	279,499
Ratio of earnings, including interest on deposits, to fixed charges(2)		2.56 x		2.28 x		2.18 x		1.52 x		1.66 x

(1) For the purposes of computing the ratio of earnings, excluding interest on deposits, to net fixed charges, earnings represent income before income taxes plus net fixed charges. Net fixed charges include interest expense, other than interest on deposits, and that portion of rental expense, generally one third, deemed representative of the interest factor.

(2) For the purposes of computing the ratio of earnings, including interest on deposits, to fixed charges, earnings represent income before income taxes plus fixed charges. Fixed charges include interest expense and that portion of rental expense, generally one third, deemed representative of the interest factor.