X0303 4 2010-05-18 0 0000920522 ESSEX PROPERTY TRUST INC ESS 0000939706 MARCUS GEORGE M 1 0 0 0 Units 2010-05-18 4 C 0 187334 0 D 1994-06-13 Cash 20000000 875722 D The reporting person redeemed 187,334 operating partnership Units of Essex Portfolio, L.P., of which the issuer is the general partner. Units are redeemable for an equal number of shares of the issuer's Common Stock or, at the election of the issuer, cash equal to the fair market value of such shares. The issuer elected to redeem the reporting person's Units with cash. Units have no expiration date. Keith R. Guericke (Attorney-in-Fact) 2010-05-20