X0202 4 2008-02-01 0001043121 BOSTON PROPERTIES LTD PARTNERSHIP N/A 0001217098 KOOP BRYAN J C/O BOSTON PROPERTIES, INC. 800 BOYLSTON STREET BOSTON MA 02199 0 1 0 0 Senior Vice President of GP LTIP Units 2008-02-01 4 A 0 5723 .25 A Common OP Units 5723 23623 D Issued as long term incentive compensation pursuant to Boston Properties Inc.'s, the Issuer's general partner, equity based compensatory programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a common unit of limited partnership interest in the Issuer. LTIP Units vest in four equal annual installments beginning on January 15, 2009. /s/ Kelli A. DiLuglio, Attorney-in-Fact 2008-02-05