X0306 4 2022-09-13 0 0001031316 FRANKLIN STREET PROPERTIES CORP /MA/ FSP 0001442053 HANSEN BRIAN N 401 EDGEWATER PLACE SUITE 200 WAKEFIELD MA 01880 1 0 0 0 Common Stock 2022-09-13 4 P 0 65000 3.0771 A 440000 I By Trust Common Stock 2022-09-14 4 P 0 25000 2.9888 A 465000 I By Trust Common Stock 40000 I By 401(k) Plan Common Stock 39287 D The transaction was executed in multiple trades from $3.0050 to $3.1200. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, Franklin Street Properties Corp. or a shareholder of Franklin Street Properties Corp. full information regarding the number of shares and prices at which the transaction was effected. The transaction was executed in multiple trades from $2.975 to $2.9978. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, Franklin Street Properties Corp. or a shareholder of Franklin Street Properties Corp. full information regarding the number of shares and prices at which the transaction was effected. Brian N. Hansen 2022-09-15