Jamie Engstrom joins Ameren board of directors

Ameren (NYSE: AEE) announced that Jamie L. Engstrom has been elected to the Ameren board of directors, effective Jan. 1, 2026.

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Ameren (NYSE: AEE) announced that Jamie L. Engstrom has been elected to the Ameren board of directors, effective Jan. 1, 2026.

Engstrom has served as senior vice president and global chief information officer of Caterpillar since 2020 and previously was CIO of Caterpillar Financial Services from 2018 to 2020; she joined Caterpillar in 1999. Ameren said Engstrom's experience in information systems, risk management, cybersecurity and digital transformation will support the company's technology and reliability objectives.

Argus Dec 16 session

-0.89% close to close 1.7x rel. volume Open Argus

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News Market Reaction – AEE

On Dec 16, the first trading day after this news, AEE closed 0.89% below the previous close. That session’s volume was 1.7x the stock’s average daily volume.

Data tracked by StockTitan Argus for the Dec 16 session.

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ST. LOUIS, Dec. 15, 2025 /PRNewswire/ -- Ameren Corporation (NYSE: AEE) announced today that Jamie L. Engstrom has been elected to the Ameren board of directors, effective Jan. 1, 2026.

Engstrom has served as the senior vice president and global chief information officer of Caterpillar Inc. since 2020. Caterpillar is a leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Engstrom previously served as chief information officer of Caterpillar Financial Services Corporation from 2018 to 2020, following numerous other leadership roles in information technology since joining Caterpillar in 1999.

"We are extremely pleased to have Jamie join Ameren's board of directors," said Martin J. Lyons, chairman, president and chief executive officer of Ameren. "As we continue to transform our business and leverage technology to provide reliable, resilient and affordable energy, Jamie's extensive expertise in information systems, risk management, cybersecurity and digital transformations will bring immediate value to our customers, shareholders and the board of directors." 

Engstrom earned a Master of Business Administration from Bradley University and a Bachelor of Science in business management and business information systems from Illinois State University.

About Ameren Corporation
St. Louis-based Ameren Corporation powers the quality of life for 2.5 million electric customers and more than 900,000 natural gas customers in a 64,000-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Ameren Missouri provides electric generation, transmission and distribution service, as well as natural gas distribution service. Ameren Transmission Company of Illinois develops, owns and operates rate-regulated regional electric transmission projects in the Midcontinent Independent System Operator, Inc. For more information, visit Ameren.com, or follow us at @AmerenCorp, Facebook.com/AmerenCorp, or LinkedIn.com/company/Ameren.

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SOURCE Ameren Corporation

FAQ

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When does Jamie L. Engstrom officially join the Ameren (AEE) board of directors?

Jamie L. Engstrom's election to the Ameren board is effective Jan. 1, 2026.

What is Jamie Engstrom's current role and experience cited by Ameren for AEE shareholders?

Ameren highlights Engstrom's role as senior vice president and global CIO at Caterpillar since 2020 and prior CIO experience at Caterpillar Financial Services.

How does Ameren say Engstrom's background will affect AEE's business?

Ameren stated Engstrom's expertise in information systems, risk management and cybersecurity will support the company's technology transformation and reliability goals.

Does the announcement for Ameren (AEE) include financial guidance or transaction details?

No; the announcement only covers the board election and Engstrom's professional background, with no financial guidance or transactions disclosed.

What education credentials of Jamie Engstrom does Ameren list in the release for AEE investors?

Ameren notes Engstrom earned an MBA from Bradley University and a B.S. in business management and business information systems from Illinois State University.

Where can Ameren (AEE) investors find the official board election date and summary for Jamie Engstrom?

The company announced the effective board election date as Jan. 1, 2026 and summarized Engstrom's background in the corporate announcement.