X0306 4 2012-07-30 0 0001049782 BROOKLINE BANCORP INC BRKL 0001250513 PERRAULT PAUL A 160 WASHINGTON STREET BROOKLINE MA 02447-0469 1 1 0 0 Chief Executive Officer Common Stock 2012-07-30 4 A 0 26970 8.50 A 123183 D Common Stock 2012-07-30 4 A 0 26971 8.50 A 150154 D Common Stock 1864 I By ESOP Restricted stock shares granted pursuant to the Brookline Bancorp, Inc. 2011 Restricted Stock Plan. The shares vest in three equal installments on an annual basis, commencing one year from the date of grant. Performance based restricted stock granted pursuant to the Brookline Bancorp, Inc. 2011 Restricted Stock Plan. The shares vest on the third anniversary of the date of grant based on certain performance based measures. Reflects ESOP allocations and dispositions that have occurred since the date of the reporting person's last ownership report. Paul A. Perrault, by Michael W. McCurdy, POA 2012-08-01