Officer Stock Transaction

Lara Poloni, PRESIDENT of AECOM, acquired 4224 shares of Common Stock on June 16, 2026, at a price of $70.63 per share. This transaction, coded as 'P' for purchase, resulted in a post-transaction share count of 153,446. Following the transaction, Poloni directly owns 153,446 shares. Additionally, Poloni indirectly owns 170.81 shares of Common Stock held by Merrill Lynch under the AECOM Retirement & Savings Plan (RSP). The filing is a Form 4, indicating a change in beneficial ownership.