<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>ex99-1.txt
<DESCRIPTION>OFFICER CERTIFICATIONS
<TEXT>

                                                                    EXHIBIT 99.1


            CERTIFICATION PURSUANT TO THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies in his capacity as an officer of
Franklin Street Properties Corp. (the "Company") that the Quarterly Report of
the Company on Form 10-Q for the period ended September 30, 2002 fully complies
with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act
of 1934 and that the information contained in such report fairly presents, in
all material respects, the financial condition and the results of operations of
the Company.

Date: December 23, 2002

                                         /s/ George J. Carter
                                         ---------------------------------------
                                         President and Chief Executive Officer


                                         /s/ Barbara J. Corinha
                                         ---------------------------------------
                                         Vice President, Chief Operating
                                         Officer (equivalent of Chief Financial
                                         Officer), Treasurer and Secretary


</TEXT>
</DOCUMENT>
