AMEREN CORP 8-K

What Happened Ameren Corporation announced that its Board elected Timothy S. Rausch as a director on February 6, 2026. Mr. Rausch’s term begins March 1, 2026 and will expire at Ameren’s 2026 Annual Meeting of Shareholders. The Board also appointed him to the Finance Committee and the Nuclear, Operations and Environmental Sustainability Committee. A press release announcing the appointment was furnished on February 9, 2026.

Key Details

• Election date announced: February 6, 2026; term begins March 1, 2026 and ends at the 2026 Annual Meeting.
• Committee assignments: Finance Committee; Nuclear, Operations and Environmental Sustainability Committee (effective March 1, 2026).
• Background: Served as Executive Vice President & Chief Nuclear Officer, Tennessee Valley Authority (Oct 2018–Jul 2025); previously SVP & Chief Nuclear Officer at Talen Energy (Jun 2015–Sep 2018) and PPL Corporation (Jun 2009–Jun 2015).
• Governance/compensation: No special arrangements reported; Mr. Rausch will participate in Ameren’s standard non‑employee director compensation program as described in Ameren’s March 25, 2025 proxy statement. No reportable business relationships with Ameren in 2025 or through the filing date in 2026.

Why It Matters This update affects Ameren’s board composition and its governance oversight, particularly for nuclear operations and environmental sustainability given Mr. Rausch’s industry experience. Investors tracking board expertise, governance changes, or committee membership (Finance and Nuclear/Operations) may view this as relevant to oversight of Ameren’s operations and strategic priorities. The company furnished a press release (Exhibit 99.1) with the announcement.