ESSEX PORTFOLIO LP

Unregistered Sales of Equity Securities; Essex Portfolio, L.P.

During the three months ended September 30, 2025, the Operating Partnership issued OP Units in private placements in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act, in the amounts and for the consideration set forth below:

During the three months ended September 30, 2025, Essex issued an aggregate of 157 shares of its common stock upon the vesting of restricted stock awards. For each share of common stock issued by Essex in connection with vesting of restricted stock awards, the Operating Partnership issued 157 OP Units to Essex, as required by the partnership agreement.

Stock Repurchases

In September 2022, the Company announced that its Board of Directors approved a stock repurchase plan, without an expiration date, to allow the Company to acquire shares of common stock up to an aggregate of $500.0 million. During the three months ended September 30, 2025, the Company did not repurchase any shares. As of September 30, 2025, the Company had $302.7 million of purchase authority remaining under the stock repurchase plan.