Mark J. Meiklejohn's Transactions in Brookline Bancorp Inc. Common Stock

Mark J. Meiklejohn, Chief Credit Officer of Brookline Bancorp Inc., reported multiple transactions involving the company's common stock on August 2, 2025. The transactions included the disposition of shares at a price of $10.28 per share. Specifically, Meiklejohn disposed of 1,869 shares, 623 shares, 1,059 shares, and 1,170 shares in separate transactions. Following these transactions, Meiklejohn's total holdings in Brookline Bancorp Inc. common stock were reduced to 111,942 shares. The shares disposed of included performance-based restricted stock shares granted under the Brookline Bancorp, Inc. 2021 Stock Option and Incentive Plan, which vest based on certain performance metrics. Additionally, the holdings included restricted stock shares granted under the same plan.