EXHIBIT 11.1 ESSEX PROPERTY TRUST, INC. STATEMENT OF COMPUTATION OF EARNINGS PER SHARE (In thousands except share and share amounts) Quarter ended March 31, ------------------------------ 1997 1996 ----------- ---------- PRIMARY: Net income/(loss) $ 4,868 $ (57) Less: Dividends on 8.75% Convertible Preferred Stock, Series 1996A 438 0 ----------- ---------- Net income/(loss) applicable to common stockholders $ 4,430 $ (57) =========== ========== Weighted average shares outstanding 11,594,606 6,275,000 Weighted average shares of dilutive stock options using average stock price under the treasury stock method 190,346 0 ----------- ---------- Weighted average shares used in net income per share calculation 11,784,952 6,275,000 =========== ========== Net income per share/(loss) $ 0.38 $ (0.01) =========== ========== FULLY - DILUTED: Adjusted shares - primary, from above 11,784,952 - Weighted average shares issuable upon conversion of the 8.75% Convertible Preferred Stock, Series 1996A 914,286 - Additional weighted average shares of dilutive stock options using end of period stock price under the treasury stock method 2,781 - ----------- ---------- Weighted average number of common shares - assuming full dilution 12,702,019 N/A =========== ========== Earnings per common share - assuming full dilution $ 0.38 (1) N/A (2) =========== ========== (1) For March 1997, the 8.75% Convertible Preferred Stock, Series 1996A were antidilutive and accordingly, the results of the primary earnings per share is reported for earnings per common share - assuming full dilution. (2) The 8.75% Convertible Preferred Stock, Series 1996A was issued in July, 1996. Page 76 of 77