AMEREN CORP

The executive officers of the Ameren Companies, including major subsidiaries, are listed below, along with their ages as of December 31, 2025, all their positions and offices held with the Ameren Companies as of February 18, 2026, their tenures as officers, and their titles for at least the last five years.

AMEREN CORPORATION:

(a)Elected President and Chief Executive Officer of Ameren in January 2022, and Chairman of Ameren in November 2023.

(b)Leonard P. Singh served as Senior Vice President of Consolidated Edison Company of New York from December 2020 to June 2022.

(c)David M. Feinberg served as Executive Vice President, General Counsel, and Secretary of American Electric Power Company, Inc. from January 2013 to August 2025.

SUBSIDIARIES:

Officers are generally elected or appointed annually by the respective board of directors of each company, following the election of board members at the annual meetings of shareholders. No arrangement or understanding exists between any of the above-named executive officers and the Ameren Companies nor with any other person or persons pursuant to which any executive officer was selected as an officer. There are no family relationships among the executive officers or between any executive officer or any director of the Ameren Companies. Except as noted, the above-named executive officers have been employed by an Ameren company for more than five years in executive or management positions.