1 EXHIBIT 12.1 AVALONBAY COMMUNITIES, INC. RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Nine Months Year Year Year Ended Ended Ended Ended September 30, December 31, December 31, December 31, 1999 1998 1997 1996 ------ ------ ---------- --------- Net Operating Income $ 98,043 $ 94,434 $ 38,941 $ 19,626 (Less) Nonrecurring item: Gain on sale $ (12,336) $ (3,970) $ - $ - Non-recurring charges $ 16,644 $ - $ - $ - (Plus) Extraordinary item: Unamortized loan fee write-off $ - $ - $ - $ 511 (Plus) Fixed charges: Interest expense $ 54,592 $ 54,003 $ 14,113 $ 14,276 Interest capitalized 18,357 16,977 6,985 2,567 Debt cost amortization 384 670 505 667 Preferred dividend 29,834 25,874 7,480 4,264 --------- --------- --------- --------- Total fixed charges (1) $ 103,167 $ 97,524 $ 29,083 $ 21,774 (Less): Interest capitalized $ 18,357 $ 16,977 $ 6,985 $ 2,567 Preferred dividend 29,834 25,874 7,480 4,264 Adjusted earnings (2) $ 157,327 $ 145,137 $ 53,559 $ 35,080 --------- --------- --------- --------- Ratio (2 divided by 1) 1.52 1.49 1.84 1.61 ========= ========= ========= ========= Year Ended March 17- January 1- December 31, December 31 March 16, 1995 1994 1994 ---------- --------- --------- Net Operating Income $ 11,460 $ 7,486 $ (716) (Less) Nonrecurring item: Gain on sale $ (2,412) $ - $ - Non-recurring charges $ - $ - $ - (Plus) Extraordinary item: Unamortized loan fee write-off $ - $ - $ - (Plus) Fixed charges: Interest expense $ 11,472 $ 4,782 $ 2,358 Interest capitalized 3,641 2,096 - Debt cost amortization 1,278 241 80 Preferred dividend 917 - - --------- -------- ------- Total fixed charges (1) $ 17,308 $ 7,119 $ 2,438 (Less): Interest capitalized $ 3,641 $ 2,096 $ - Preferred dividend 917 - - Adjusted earnings (2) $ 21,798 $ 12,509 $ 1,722 --------- -------- -------- Ratio (2 divided by 1) 1.26 1.76 0.71 ========= ======== ======== 2 EXHIBIT 12.1 (continued) AVALONBAY COMMUNITIES, INC. RATIOS OF EARNINGS TO FIXED CHARGES Nine Months Year Year Year Ended Ended Ended Ended September 30, December 31, December 31, December 31, 1999 1998 1997 1996 --------- --------- --------- --------- Net Operating Income $ 98,043 $ 94,434 $ 38,941 $ 19,626 (Less) Nonrecurring item: Gain on sale $ (12,336) $ (3,970) $ - $ - Non-recurring charges $ 16,644 $ - $ - $ - (Plus) Extraordinary item: Unamortized loan fee write-off $ - $ - $ - $ 511 (Plus) Fixed charges: Interest expense $ 54,592 $ 54,003 $ 14,113 $ 14,276 Interest capitalized 18,357 16,977 6,985 2,567 Debt cost amortization 384 670 505 667 --------- --------- --------- --------- Total fixed charges (1) $ 73,333 $ 71,650 $ 21,603 $ 17,510 (Less): Interest capitalized $ 18,357 $ 16,977 $ 6,985 $ 2,567 Adjusted earnings (2) $ 157,327 $ 145,137 $ 53,559 $ 35,080 --------- --------- --------- --------- Ratio (2 divided by 1) 2.15 2.03 2.48 2.00 ========= ========= ========= ========= Year Ended March 17- January 1- December 31, December 31 March 16, 1995 1994 1994 --------- -------- -------- Net Operating Income $ 11,460 $ 7,486 $ (716) (Less) Nonrecurring item: Gain on sale $ (2,412) $ - $ - Non-recurring charges $ - $ - $ - (Plus) Extraordinary item: Unamortized loan fee write-off $ - $ - $ - (Plus) Fixed charges: Interest expense $ 11,472 $ 4,782 $ 2,358 Interest capitalized 3,641 2,096 - Debt cost amortization 1,278 241 80 --------- -------- -------- Total fixed charges (1) $ 16,391 $ 7,119 $ 2,438 (Less): Interest capitalized $ 3,641 $ 2,096 $ - Adjusted earnings (2) $ 21,798 $ 12,509 $ 1,722 --------- -------- -------- Ratio (2 divided by 1) 1.33 1.76 0.71 ========= ======== ========