1 EXHIBIT 12.1 SUMMIT PROPERTIES PARTNERSHIP, L.P. CALCULATION OF RATIOS OF EARNINGS TO FIXED CHARGES (Dollars In Thousands) Nine Months Ended Years Ended December 31, September 30, ------------------------------------------------------------- 1997 1996 1995 1994 1993 1992 ------- ------- ------- ------- ------- ------- Funds from operations before fixed charges: Income (loss) before extraordinary items $25,098 $21,187 $15,051 $ 8,527 $(5,858) $(9,802) Interest: Expense incurred 14,621 16,213 13,715 13,006 25,286 24,834 Amortization of deferred financing costs 761 1,025 1,087 1,061 1,114 1,091 ------- ------- ------- ------- ------- ------- Total $40,480 $38,426 $29,853 $22,594 $20,542 $16,123 ======= ======= ======= ======= ======= ======= Fixed charges: Interest expense $14,621 $16,213 $13,715 $13,006 $25,286 $24,834 Interest capitalized 4,528 4,266 3,110 686 0 136 Rental fixed charges 93 124 134 124 123 125 Amortization of deferred financing costs 761 1,025 1,087 1,061 1,114 1,081 ------- ------- ------- ------- ------- ------- Total $20,003 $21,628 $18,046 $14,877 $26,523 $26,186 ======= ======= ======= ======= ======= ======= Ratio of earnings to fixed charges 2.02 1.76 1.85 1.52 0.77 0.62 ======= ======= ======= ======= ======= =======