The Alliant Energy Board of Directors has appointed Manu Asthana as a new independent director, effective Feb. 23, 2026

Alliant Energy Corp. (NASDAQ: LNT) announced today its Board of Directors has appointed Manu Asthana as a new independent director, effective Feb. 23, 2026.

Asthana, 52, brings nearly three decades of leadership experience across the energy and financial services sectors, with deep expertise in electric and gas markets, grid operations, power generation and trading, risk management, retail energy, customer solutions and enterprise strategy. He most recently served as President and CEO of PJM Interconnection, the largest power grid operator in North America.

“We are pleased to welcome Manu to Alliant Energy’s Board of Directors,” said Patrick Allen, Independent Board Chair of Alliant Energy. “Manu brings deep expertise in the utility industry, grid operations and energy markets, having led large, complex organizations within the sector. His perspective and experience will strengthen the Board’s collective ability to guide the company’s long-term strategy and support long-term growth for the customers and communities Alliant Energy serves.”

“I am honored to join Alliant Energy’s Board of Directors and look forward to the opportunity to support the company’s commitment to delivering safe, reliable and affordable energy,” Asthana said. “Alliant Energy plays a critical role in the communities it serves, and I look forward to contributing my experience as the company continues to navigate growth and an evolving energy landscape.”

“Manu brings a comprehensive, end-to-end perspective on the energy industry,” said Lisa Barton, President and CEO of Alliant Energy. “We look forward to Manu’s contributions as an experienced leader in the sector who will strengthen the Board’s oversight as we advance our strategy and serve our customers.”

Before joining PJM Interconnection, Asthana served in senior leadership roles at Direct Energy, where he held positions of increasing responsibility across retail energy, power generation, trading and home services. Prior to his tenure at Direct Energy, Asthana spent much of his career at TXU Corp. in a range of executive roles spanning trading, asset management and enterprise risk management, following his early career in trading at Swiss Bank Corporation. Asthana graduated from the Wharton School of the University of Pennsylvania with a Bachelor of Science in Economics.

A complete list of company executives and their biographies is available at alliantenergy.com/executives.

About Alliant Energy

Alliant Energy Corporation (NASDAQ: LNT) provides regulated energy service to approximately 1 million electric and 430,000 natural gas customers across Iowa and Wisconsin. Alliant Energy's mission is to deliver energy solutions and exceptional service customers and communities count on – safely, efficiently and responsibly. Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy's two public energy companies. For more information, visit alliantenergy.com and follow Alliant Energy on LinkedIn, Facebook, Instagram and X.

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