EXHIBIT 12.1 SUMMIT PROPERTIES PARTNERSHIP, L.P. CALCULATION OF RATIOS OF EARNINGS TO FIXED CHARGES THREE MONTHS ENDED MARCH 31, 1999 (Dollars In Thousands) Funds from operations before fixed charges: Income (loss) $8,999 Interest: Expense incurred 10,254 Amortization of deferred financing costs 243 ------------ Total $19,496 ============ Fixed charges: Interest expense $10,254 Interest capitalized 1,768 Rental fixed charges 41 Amortization of deferred financing costs 243 ------------ Total $12,306 ============ Ratio of earnings to fixed charges $1.58 ============