X0201 4 1988-08-08 0 0000906113 KEYSTONE PROPERTY TRUST KTR 0001198068 KELTER JEFFREY E C/O KEYSTONE PROPERTY TRUST 200 FOUR FALLS SUITE 208 W. CONSHOHOCKEN PA 19428 1 1 0 0 President and CEO Common Shares 1988-08-08 4 A 0 90900 A 866606 D Units of LP interest (OP Units) in Keystone Operating Ptship 2004-01-13 4 G 0 1000 A Common Shares 1000 463178 D OP Units 2004-01-13 4 G 0 1000 A Common Shares 1000 462178 D OP Units 2004-01-13 4 G 0 1000 A Common Shares 1000 461178 D OP Units 1988-08-08 4 A 0 816 A Common Shares 816 816 I through PSP Common Shares 12.83 2001-04-16 4 A 0 150750 12.83 A 2001-04-16 2011-04-16 Common Shares 150750 150750 D These transactions have been reported on previously filed Form 4s, and are being disclosed here solely in order to be able to indicate in this Form 4 the total number of securities held by the reporting person. OP Units are convertible into Common Shares at a 1:1 ratio upon the exercise of the Conversion Right, which can be exercised at any time. Options to purchase 150,750 Common Shares were granted on 4/16/01. One-third of the options vest on each of the first three (3) anniversaries of the date of grant. Saul A. Behar, by power of attorney 2004-01-13