EXHIBIT 12 HIGHWOODS REALTY LIMITED PARTNERSHIP RATIO OF EARNINGS TO FIXED CHARGES AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED UNIT DIVIDENDS NINE MONTHS ENDED SEPTEMBER 30, 1998 1997 -------------------- ------------- Earnings (1) Income (loss) from continuing operations ............................... $ 111,611 $ 91,552 Interest ................................... 61,724 45,138 Amortization of loan costs ................. 1,915 2,256 Total earnings ............................. 175,250 $ 138,946 Fixed charges and preferred unit dividends Interest ................................... $ 61,724 $ 45,138 Interest capitalized ....................... 11,097 7,238 Amortization of loan costs expensed ................................. 1,915 2,256 Amortization of loan costs capitalized .............................. -- -- Total fixed charges ........................ $ 74,736 $ 54,632 Preferred unit dividends ................... 21,946 13,117 Ratio of earnings to fixed charges ......... 2.34 2.54 Ratio of earnings to combined fixed charges and preferred unit dividends ................................ 1.81 2.05 1996 1995 1994 1993 ------------ ------------ ------------ ----------- Earnings (1) Income (loss) from continuing operations ............................... $ 46,674 $ 28,934 $ 8,159 $ (155) Interest ................................... 23,360 12,101 4,955 5,185 Amortization of loan costs ................. 1,870 1,619 738 -- Total earnings ............................. $ 71,904 $ 42,654 $ 13,852 $ 5,030 Fixed charges and preferred unit dividends Interest ................................... $ 23,360 $ 12,101 $ 4,955 $ 5,185 Interest capitalized ....................... 2,935 507 17 16 Amortization of loan costs expensed ................................. 1,870 1,619 738 -- Amortization of loan costs capitalized .............................. -- -- -- -- Total fixed charges ........................ $ 28,165 $ 14,227 $ 5,710 $ 5,201 Preferred unit dividends ................... -- -- -- -- Ratio of earnings to fixed charges ......... 2.55 3.00 2.43 0.97 Ratio of earnings to combined fixed charges and preferred unit dividends ................................ 2.55 3.00 2.43 0.97 - ---------- (1) The calculation does not include amortization of previously capitalized interest.