X0306 4 2016-08-01 0001037540 BOSTON PROPERTIES INC BXP 0001217093 BURT FRANK D C/O BOSTON PROPERTIES, INC. 800 BOYLSTON STREET BOSTON MA 02199 0 1 0 0 Senior Vice President Common Stock, par value $.01 2016-08-01 4 C 0 4573 A 4573 D Common Stock, par value $.01 2016-08-01 5 G 0 4573 0 D 0 D Common Stock, par value $.01 2016-08-01 5 G 0 4573 0 A 4573 I By The Burt Family Trust - 1993 Common OP Units 2016-08-01 4 C 0 4573 D Common Stock 4573 0 D 4,573 of the Reporting Person's common units of limited partnership interest ("Common OP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole general partner, were redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement. Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date. /s/ Kelli A. DiLuglio, as attorney-in-fact 2016-08-02