X0306 4 2016-07-29 0 0001049782 BROOKLINE BANCORP INC BRKL 0001250513 PERRAULT PAUL A 131 CLARENDON STREET BOSTON MA 02117 1 1 0 0 Chief Executive Officer Common Stock 2016-07-29 4 D 0 12191 0 D 318110 D Common Stock 3274 I By ESOP As previously reported, on July 29, 2013, the reporting person received a grant of 24,381 shares of performance based restricted stock. A portion of the performance metrics were met, therefore a portion of these restricted shares vested on the third anniversary of the date of grant and the remaining shares were automatically forfeited. Includes shares of restricted stock granted pursuant to the Brookline Bancorp, Inc. 2014 Equity Incentive Plan. Paul A. Perrault, By Marissa S. Frerk, POA 2016-08-01