EXHIBIT 12.1 - STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES LIBERTY PROPERTY TRUST / LIBERTY PROPERTY LIMITED PARTNERSHIP (AMOUNTS IN THOUSANDS EXCEPT RATIO AMOUNTS) YEAR ENDED DECEMBER 31, ---------------------------------------------------- 2003 2002 2001 2000 1999 -------- -------- -------- -------- -------- Earnings before fixed charges: Income from continuing operations $170,243 $171,504 $183,343 $179,617 $154,107 Add: Interest expense 119,894 112,046 105,917 102,661 93,121 Depreciation expense on cap'd interest 3,140 2,944 2,311 1,809 1,396 Amortization of deferred financing costs 4,013 3,979 4,015 4,066 4,951 -------- -------- -------- -------- -------- Earnings before fixed charges $297,290 $290,473 $295,586 $288,153 $253,575 ======== ======== ======== ======== ======== Fixed charges: Interest expense 119,894 112,646 108,859 104,793 95,243 Amortization of deferred financing charges 4,013 3,979 4,015 4,066 4,951 Capitalized interest 10,947 16,498 22,347 17,784 15,288 -------- -------- -------- -------- -------- Fixed charges $134,854 $133,123 $135,221 $126,643 $115,482 -------- -------- -------- -------- -------- Preferred share distributions - 7,242 11,000 11,000 11,000 Preferred unit distributions 12,416 11,619 10,612 10,070 3,783 -------- -------- -------- -------- -------- Combined fixed charges $147,270 $151,984 $156,833 $147,713 $130,265 ======== ======== ======== ======== ======== Ratio of earnings to fixed charges 2.20 2.18 2.19 2.28 2.20 ======== ======== ======== ======== ======== Ratio of earnings to combined fixed charges 2.02 1.91 1.88 1.95 1.95 ======== ======== ======== ======== ======== Certain amounts from prior periods have been restated to conform to current-period presentation.