Exhibit 12 EQUITY RESIDENTIAL PROPERTIES TRUST CONSOLIDATED AND COMBINED HISTORICAL, INCLUDING PREDECESSOR BUSINESS EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS RATIO HISTORICAL ---------------------------------------------------------------------------- 12/31/98 12/31/97 12/31/96 12/31/95 12/31/94 ------------- ------------- ------------- ------------- ------------- (Amounts in thousands) REVENUES Rental income $ 1,293,560 $ 707,733 $ 454,412 $ 73,919 $ 220,727 Fee income - outside managed 5,622 5,697 6,749 7,030 4,739 Interest income - investment in mortgage notes 18,564 20,366 12,819 4,862 - Interest and other income 19,703 13,525 4,405 4,573 5,568 ------------- ------------ --------------- -------------- ------------- Total revenues 1,337,449 747,321 478,385 390,384 231,034 ------------- ------------ --------------- -------------- ------------- EXPENSES Property and maintenance 326,567 176,075 127,172 112,186 66,534 Real estate taxes and insurance 126,009 69,520 44,128 37,002 23,028 Property management 52,705 26,793 17,512 15,213 10,249 Property management - non-recurring - - - - 879 Fee and asset management 4,207 3,364 3,837 3,887 2,056 Depreciation 301,869 156,644 93,253 72,410 37,273 Interest: Expense incurred 246,585 121,324 81,351 78,375 37,044 Amortization of deferred financing costs 2,757 2,523 4,242 3,444 1,930 Refinancing costs - - - - - General and administrative 21,718 15,064 9,857 8,129 6,053 ------------- ------------ --------------- -------------- ------------- Total expenses 1,082,417 571,307 381,352 330,646 185,046 ------------- ------------ --------------- -------------- ------------- Income (loss) before extraordinary items $ 255,032 176,014 $ 97,033 $ 59,738 $ 45,988 ============= ============ =============== ============== ============= Combined Fixed Charges and Preferred Distributions: Interest and other financing costs $ 246,585 121,324 $ 81,351 $ 78,375 $ 37,044 Refinancing costs - - - - - Amortization of deferred financing costs 2,757 2,523 4,242 3,444 1,930 Preferred distributions 92,917 59,012 29,015 10,109 - ------------- ------------ --------------- -------------- ------------- TOTAL COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS $ 342,259 182,859 $ 114,608 $ 91,928 $ 38,974 ============= ============ =============== ============== ============= EARNINGS BEFORE COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS $ 504,374 299,861 $ 182,626 $ 141,557 $ 84,962 ============= ============ =============== ============== ============= FUNDS FROM OPERATIONS BEFORE COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS $ 806,243 456,505 $ 275,879 $ 213,967 $ 123,114 ============= ============ =============== ============== ============= RATIO OF EARNINGS BEFORE COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS TO COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS 1.47 1.64 1.59 1.54 2.18 ============= ============ =============== ============== ============= RATIO OF FUNDS FROM OPERATIONS BEFORE COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS TO COMBINED FIXED CHARGES AND PREFERRED DISTRIBUTIONS 2.36 2.50 2.41 2.33 3.16 ============= ============ =============== ============== =============