EXHIBIT 12 - STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Nine Months Ended September 30, --------------------------- 1997 1996 ---------- ---------- Net income $133,117 $110,446 Add: Minority interest in income 7,708 7,268 Less: Gain on disposition of real estate - - Less: Minority interests in income which do not have fixed charges (6,770) (6,451) ---------- ---------- Income from continuing operations 134,055 111,263 Interest expense 5,821 6,893 ---------- ---------- Total Earnings Available to Cover Fixed Charges $ 139,876 $ 118,156 ========== ========== Total Fixed Charges - Interest expense $ 7,242 $ 8,035 ========== ========== Total Preferred Stock dividends $ 68,134 $ 50,118 ========== ========== Total Combined Fixed Charges and Preferred Stock dividends $ 75,376 $ 58,153 ========== ========== Ratio of Earnings to Fixed Charges 19.31 14.71 ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock dividends 1.86 2.03 ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock dividends (A) 2.26 =========== (A) Supplemental ratio after elimination of $13,412,000 of non-recurring special dividends paid to the Series CC Preferred Stock. EXHIBIT 12 - STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES For the Year Ended December 31, ------------------------------------------------------------------------- 1996 1995 1994 1993 1992 ---------- ---------- ---------- ---------- ---------- (Amounts in thousands, except ratios) Net income $ 153,549 $ 70,386 $ 42,118 $ 28,036 $ 15,123 Add: Minority interest in income 9,363 7,137 9,481 7,291 6,895 Less: Gain on disposition of real estate - - - - (398) Less: Minority interests in income which do not have fixed charges (8,273) (4,700) (5,906) (737) (694) ---------- ---------- ---------- ---------- ---------- Income from continuing operations 154,639 72,823 45,693 34,590 20,926 Interest expense 8,482 8,508 6,893 6,079 9,834 ---------- ---------- ---------- ---------- ---------- Total Earnings Available to Cover Fixed Charges $ 163,121 $ 81,331 $ 52,586 $ 40,669 $ 30,760 ========== ========== ========== ========== ========== Total Fixed Charges - Interest expense $ 10,343 $ 8,815 $ 6,893 $ 6,079 $ 9,834 ========== ========== ========== ========== ========== Total Preferred Stock dividends $ 68,599 $ 31,124 $ 16,846 $ 10,889 $ 812 ========== ========== ========== ========== ========== Total Combined Fixed Charges and Preferred Stock dividends $ 78,942 $ 39,939 $ 23,739 $ 16,968 $ 10,646 ========== ========== ========== ========== ========== Ratio of Earnings to Fixed Charges 15.77 9.23 7.63 6.69 3.13 ========== ========== ========== ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock dividends 2.07 2.04 2.22 2.40 2.89 ========== ========== ========== ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock dividends (A) (A) Supplemental ratio after elimination of $13,412,000 of non-recurring special dividends paid to the Series CC Preferred Stock. Nine Months Ended September 30, ------------------------------------------ 1997 1996 1996 ---------- ---------- ---------- SUPPLEMENTAL DISCLOSURE OF RATIO OF FUNDS FROM OPERATIONS ("FFO") TO FIXED CHARGES: - ------------------------------------------------------------- FFO $ 200,106 $ 162,532 $ 224,384 Interest expense 5,821 6,893 8,482 ---------- ---------- ---------- Adjusted FFO available to cover fixed charges $ 205,927 $ 169,425 $ 232,866 ========== ========== ========== Total Fixed Charges - Interest expense $ 7,242 $ 8,035 $ 10,343 ========== ========== ========== Total Preferred Stock dividends $ 68,134 $ 50,118 $ 68,599 ========== ========== ========== Total Combined Fixed Charges and Preferred Stock dividends $ 75,376 $ 58,153 $ 78,942 ========== ========== ========== Ratio of FFO to Fixed Charges 28.44 21.09 22.51 ========== ========== ========== Ratio of FFO to Combined Fixed Charges and Preferred Stock dividends 2.73 2.91 2.95 ========== ========== ========== Ratio of FFO to Combined Fixed Charges and Preferred Stock dividends (A) 3.32 ========== (A) Supplemental ratio after elimination of $13,412,000 of non-recurring special dividends paid to the Series CC Preferred Stock. For the Year Ended December 31, --------------------------------------------- 1995 1994 1993 1992 ---------- ---------- ---------- ---------- SUPPLEMENTAL DISCLOSURE OF RATIO OF FUNDS FROM OPERATIONS ("FFO") TO FIXED CHARGES: - ------------------------------------------------------------- FFO $ 105,086 $ 56,143 $ 35,830 $ 21,133 Interest expense 8,508 6,893 6,079 9,834 ---------- ---------- ---------- ---------- Adjusted FFO available to cover fixed charges $ 113,594 $ 63,036 $ 41,909 $ 30,967 ========== ========== ========== ========== Total Fixed Charges - Interest expense $ 8,815 $ 6,893 $ 6,079 $ 9,834 ========== ========== ========== ========== Total Preferred Stock dividends $ 31,124 $ 16,846 $ 10,889 $ 812 ========== ========== ========== ========== Total Combined Fixed Charges and Preferred Stock dividends $ 39,939 $ 23,739 $ 16,968 $ 10,646 ========== ========== ========== ========== Ratio of FFO to Fixed Charges 12.88 9.15 6.89 3.15 ========== ========== ========== ========== Ratio of FFO to Combined Fixed Charges and Preferred Stock dividends 2.84 2.66 2.47 2.91 ========== ========== ========== ========== Ratio of FFO to Combined Fixed Charges and Preferred Stock dividends (A) (A) Supplemental ratio after elimination of $13,412,000 of non-recurring special dividends paid to the Series CC Preferred Stock.