1 EXHIBIT 12.1 SUMMIT PROPERTIES PARTNERSHIP, L.P. CALCULATION OF RATIOS OF EARNINGS TO FIXED CHARGES THREE AND NINE MONTHS ENDED SEPTEMBER 30, 1998 (Dollars In Thousands) Three Months Nine Months Ended Ended September 30 September 30 ------------ ------------ Funds from operations before fixed charges: Income (loss) before extraordinary items $ 7,892 $30,652 Interest: Expense incurred 8,181 22,627 Amortization of deferred financing costs 211 724 ------- ------- Total $16,284 $54,003 ======= ======= Fixed charges: Interest expense $ 8,181 $22,627 Interest capitalized 1,723 4,352 Rental fixed charges 32 105 Amortization of deferred financing costs 211 724 ------- ------- Total $10,147 $27,808 ======= ======= Ratio of earnings to fixed charges 1.60 1.94 ======= =======