1 Exhibit 12.1 EXHIBIT 12.1 - STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND RATIO OF EARNINGS TO FIXED CHARGES LIBERTY PROPERTY TRUST/LIBERTY PROPERTY LIMITED PARTNERSHIP YEAR ENDED YEAR ENDED YEAR ENDED DECEMBER 31, 1998 DECEMBER 31, 1997 DECEMBER 31, 1996 -------- -------- -------- (Dollars in Thousands) Earnings before fixed charges: Income (loss) before extraordinary item $116,677 $ 66,050 $ 37,631 Add: Interest expense 74,155 46,521 33,967 Depreciation expense on cap'd interest 1,001 650 502 Amortization of deferred financing costs, net 4,462 7,367 4,561 -------- -------- -------- Earnings before fixed charges $196,295 $120,588 $ 76,661 ======== ======== ======== Fixed charges: Interest expense 74,155 46,521 33,967 Amortization of deferred financing charges 4,462 4,448 4,561 Capitalized interest 16,317 11,802 7,708 Preferred unit distributions 11,000 4,247 -- -------- -------- -------- Fixed charges $105,934 $ 67,018 $ 46,236 ======== ======== ======== Ratio of earnings to combined fixed charges 1.85 1.80 1.66 ======== ======== ======== Ratio of earnings to fixed charges 2.07 1.92 1.66 ======== ======== ======== PERIOD FROM YEAR ENDED JUNE 23, 1994 TO DECEMBER 31, 1995 DECEMBER 31, 1994 -------- -------- (Dollars in Thousands) Earnings before fixed charges: Income (loss) before extraordinary item $ 22,309 $ 10,868 Add: Interest expense 32,819 11,326 Depreciation expense on cap'd interest 450 200 Amortization of deferred financing costs, net 4,869 1,250 -------- -------- Earnings before fixed charges $ 60,447 $ 23,644 ======== ======== Fixed charges: Interest expense 32,819 11,326 Amortization of deferred financing charges 4,869 1,250 Capitalized interest 3,475 190 Preferred unit distributions -- -- -------- -------- Fixed charges $ 41,163 $ 12,766 ======== ======== Ratio of earnings to combined fixed charges 1.47 1.85 ======== ======== Ratio of earnings to fixed charges 1.47 1.85 ======== ========