EXHIBIT 12.1 SUMMIT PROPERTIES PARTNERSHIP, L.P. CALCULATION OF RATIOS OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) YEAR ENDED DECEMBER 31, 2001 2000 1999 1998 1997 -------- -------- ------- -------- ------- Income before extraordinary items $ 77,316 $ 86,814 $59,760 $ 66,475 $31,934 Interest: Expense incurred 39,854 38,649 37,282 32,550 20,902 Amortization of deferred financing costs 1,404 1,072 992 956 1,057 Rental fixed charges 291 280 159 133 115 -------- -------- ------- -------- ------- Total $118,865 $126,815 $98,193 $100,114 $54,008 ======== ======== ======= ======== ======= Fixed charges: Interest expense $ 39,854 $ 38,649 $37,282 $ 32,550 $20,902 Interest capitalized 11,080 11,117 7,888 6,143 5,876 Dividends to preferred unitholders in operating partnership 12,420 12,420 6,698 -- -- Rental fixed charges 291 280 159 133 115 Amortization of deferred financing costs 1,404 1,072 992 956 1,057 -------- -------- ------- -------- ------- Total $ 65,049 $ 63,538 $53,019 $ 39,782 $27,950 ======== ======== ======= ======== ======= Ratio of earnings to fixed charges 1.83 1.99 1.85 2.52 1.93 ======== ======== ======= ======== =======