Brookline Bancorp (BRKL) 10-Q 2010 Q3 Quarterly report

Exhibit 11

Statement Regarding Computation of Per Share Earnings

The following table is the reconciliation of basic and diluted earnings per share for the three months and nine months ended September 30, 2010 and 2009 (dollars in thousands except per share amounts):

	Three months ended September 30, 2010				Three months ended September 30, 2009
	Basic		Diluted		Basic		Diluted
Net income attributable to Brookline Bancorp, Inc.	$	7,038	$	7,038	$	5,242	$	5,242
Weighted average shares outstanding	58,586,274		58,586,274		58,522,547		58,522,547
Effect of dilutive securities	—		2,262		—		7,382
Adjusted weighted average shares outstanding	58,586,274		58,588,536		58,522,547		58,529,929
Earnings per share attributable to Brookline Bancorp, Inc.	$	0.12	$	0.12	$	0.09	$	0.09

	Nine months ended September 30, 2010				Nine months ended September 30, 2009
	Basic		Diluted		Basic		Diluted
Net income attributable to Brookline Bancorp, Inc.	$	20,474	$	20,474	$	13,364	$	13,364
Weighted average shares outstanding	58,571,938		58,571,938		58,313,465		58,313,465
Effect of dilutive securities	—		4,142		—		48,158
Adjusted weighted average shares outstanding	58,571,938		58,576,080		58,313,465		58,361,623
Earnings per share attributable to Brookline Bancorp, Inc.	$	0.35	$	0.35	$	0.23	$	0.23