EXHIBIT 12.1 SUMMIT PROPERTIES PARTNERSHIP, L.P. CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES SIX MONTHS ENDED JUNE 30, 1999 (Dollars In thousands) Funds from operations before fixed charges: Income available to common unitholders ................... $24,188 Interest: Expense incurred ...................................... 19,975 Amortization of deferred financing costs .............. 495 Total ................................................. $44,658 ======= Fixed charges: Interest expense ......................................... $19,975 Interest capitalized ..................................... 3,476 Rental fixed charges ..................................... 93 Amortization of deferred financing costs ................. 495 --- Total ................................................. $24,039 ======= Ratio of earnings to fixed charges .............................. 1.86 =====