Insider Transaction Report for AMEREN CORP

Ajay K. Arora, EVP of Subsidiary at AMEREN CORP (AEE), reported a transaction on June 1, 2026. Mr. Arora acquired 6,797 shares of Common Stock ($.01 Par Value) with a transaction price of $0.0. This acquisition increases his post-transaction shares to 22,326. Following this transaction, Mr. Arora directly holds 22,326 shares. His holdings also include 1,745 shares held indirectly through a 401(k) plan and 21,037 shares held indirectly through a family trust. The footnotes indicate that the acquired shares are performance-based restricted stock units, with the reported amount representing the minimum number of shares deliverable upon vesting conditions being met, scheduled for no later than July 15, 2031. Additionally, the footnote F1 clarifies that the 1,745 shares in the 401(k) are share equivalents held in a unitized stock fund as of May 29, 2026.