1 EXHIBIT 11.1 ESSEX PROPERTY TRUST, INC. SCHEDULE OF COMPUTATION OF EARNINGS PER SHARE (Dollars in thousands except per share amounts) Years ended December 31, ------------------------ 1997 1996 1995 ---- ---- ---- BASIC: Net income $ 29,316 $ 8,881 $ 10,604 Less: Dividends on 8.75% Convertible Preferred Stock, Series 1996A 2,681 635 0 =========== =========== =========== Net income applicable to common stockholders $ 26,635 $ 8,246 $ 10,604 =========== =========== =========== Weighted average shares outstanding 13,644,906 7,283,124 6,275,000 Weighted average shares of dilutive stock options using average stock price under the treasury stock method 0 0 0 =========== =========== =========== Weighted average shares used in net income per share calculation 13,644,906 7,283,124 6,275,000 =========== =========== =========== Net income per share $ 1.96 $ 1.13 $ 1.69 =========== =========== =========== DILUTED: Adjusted shares - basic, from above 13,644,906 7,283,124 -- Weighted average shares issuable upon conversion of the 8.75% Convertible Preferred Stock, Series 1996A 1,400,235 -- -- Additional weighted average shares of dilutive stock options using end of period stock price under the treasury stock method 240,147 64,404 -- =========== =========== =========== Weighted average number of common shares - assuming full dilution 15,285,288 7,347,528 N/A =========== =========== =========== Earnings per common share - assuming full dilution $ 1.92 $ 1.12(1) N/A(2) =========== =========== =========== (1) For 1996, the 8.75% Convertible Preferred Stock, Series 1996A were antidilutive and accordingly, the results of the basic earnings per share is reported for earnings per common share - assuming full dilution. (2) Not applicable before 1996. The 8.75% Convertible Preferred Stock, Series 1996A was issued in July, 1996.