0000927016-99-003598 10-Q 2 19990930 19991105 BOSTON PROPERTIES INC 0001037540 6500 042473675 DE 1231 10-Q 34 001-13087 99742450 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 6172363300 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 10-Q 1 000092701699003598-001-seq1-10-q.txt FORM 10-Q EX-27 2 000092701699003598-002-seq2-ex-27.txt FINANCIAL DATA SCHEDULE