Ameren said its Board of Directors elected Jamie L. Engstrom as a director on December 12, 2025, with a term beginning on January 1, 2026 and expiring at the 2026 Annual Meeting of Shareholders.

1. 01

   Ameren said its Board of Directors elected Jamie L. Engstrom as a director on December 12, 2025, with a term beginning on January 1, 2026 and expiring at the 2026 Annual Meeting of Shareholders.

2. 02

   The company said the Board also appointed Engstrom to the Audit and Risk Committee and the Cybersecurity and Digital Technology Committee, effective January 1, 2026.

3. 03

   Ameren said Engstrom is Global Chief Information Officer and Senior Vice President, Global Information Systems at Caterpillar and has held several information technology leadership roles since joining the company in 1999. It said she will take part in the standard non-employee director compensation program.

4. 04

   The company said there is no arrangement or understanding related to Engstrom's selection as a director and no reportable business relationship with Ameren under Regulation S-K Item 404(a). Chairman Martin J. Lyons said her expertise in information systems, risk management and cybersecurity will add value to the board.

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