Exhibit 12

Greater Bay Bancorp

Statements re Computation of Ratios of Earnings to Fixed Charges

	For the Years Ended December 31,
	2006		2005		2004		2003		2002
Income before income taxes	$	139,078	$	156,350	$	152,372	$	149,020	$	196,327
Fixed charges:
Interest expense		182,182		123,573		90,876		109,838		160,555
Interest factor of rental expense		6,772		4,714		7,040		6,633		6,081
Fixed charges		188,954		128,287		97,916		116,471		166,636
Less: interest expense on deposits		121,969		78,078		53,465		57,684		82,747
Net fixed charges		66,985		50,209		44,452		58,787		83,889
Earnings, excluding interest on deposits from fixed charges	$	206,063	$	206,559	$	196,824	$	207,807	$	280,216
Ratio of earnings, excluding interest on deposits, to net fixed charges (1)		3.08 x		4.11 x		4.43 x		3.53 x		3.34 x
Earnings, including interest on deposits in fixed charges	$	328,032	$	284,637	$	250,288	$	265,491	$	362,963
Ratio of earnings, including interest on deposits, to fixed charges (2)		1.74 x		2.22 x		2.56 x		2.28 x		2.18 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.