阿莱恩特能源 LNT

Lisa Barton is a Director and President and Chief Executive Officer of Alliant Energy, having served since January 2024. Summary: Ms. Barton has served as President and Chief Executive Officer of Alliant Energy since January 2024. She has served as Chief Executive Officer of IPL and WPL since February 2023. She previously was President and Chief Operating Officer of Alliant Energy from February 2023 to January 2024. Prior to joining Alliant Energy, Ms. Barton served as Executive Vice President and Chief Operating Officer of American Electric Power Company, Inc. (AEP) from January 2021 to November 2022, Executive Vice President - Utilities of AEP from January 2020 to December 2020, and Executive Vice President - Transmission of AEP from 2011 to 2019. Ms. Barton has served on the Board of Directors of Commercial Metals Company, a manufacturer, recycler and marketer of steel and metal products, since 2020.

Mr. Smyth has served as Executive VP of Power Generation and Gas Strategy since April 2025. He previously served as Executive VP - Grid Solutions of AEP since December 2024, Executive VP - Grid Solutions & Government Affairs of AEP from April 2023 to December 2024, Senior VP - Grid Solutions of AEP from January 2021 to April 2023, and Senior VP - Transmission Ventures, Strategy & Policy of AEP from October 2018 to December 2020.

Mr. Durian has served as Executive VP and Chief Financial Officer (CFO) since February 2020. He previously served as Senior VP and CFO since February 2019.

Mr. Sundararajan has served as Executive VP and Chief Strategy Officer since January 2026. He previously served as Executive VP since June 2023. He previously served as Executive VP - External Affairs of AEP since July 2022, as Senior VP - Regulatory and Customer Solutions of AEP from July 2021 to July 2022, and as President and COO of AEP Ohio from January 2019 to July 2021.

Patrick Allen is the Chairman of the Board and Independent Director of Alliant Energy, having served since 2011. Summary: Mr. Allen served as Chief Financial Officer at Collins Aerospace from 2018 until his retirement in 2020. He served as Senior Vice President and Chief Financial Officer at Rockwell Collins, Inc. in Cedar Rapids, Iowa, leading the company's finance activities, including financial planning, accounting, treasury, audit, and tax from 2005 to 2018. Mr. Allen previously served in various financial officer positions at Rockwell Collins and its subsidiaries since 2001. Before joining Rockwell Collins, he served in various roles at Rockwell International, including Vice President and Treasurer, Vice President of Financial Planning, and Assistant Controller. Prior to that, he worked as an auditor at Deloitte & Touche and has passed the certified public accountancy examination. Mr. Allen has served on the Board of Tennant Company, a manufacturer of floor cleaning equipment, since 2026, and he served on the Board of Triumph Group, Inc., an aerospace company, from 2023 to 2025.

Ms. Sanders brings valuable leadership and insights as an experienced leader of our Board. Ms. Sanders has been the President of Carol P. Sanders Consulting LLC since 2015, a business consulting firm serving insurance and technology clients. She served as the Executive Vice President, Chief Financial Officer and Treasurer of Sentry Insurance, a Mutual Company, located in Stevens Point, Wisconsin from 2013 to 2015. Previously, she served as the Executive Vice President and Chief Operating Officer, Senior Vice President, Chief Financial Officer and Treasurer, and Chief Financial Officer of Jewelers Mutual Insurance Company. Before that, Ms. Sanders served as Controller and Assistant Treasurer of Sentry Insurance. She has served on the Board of Directors of RenaissanceRE Holdings Ltd., a global provider of reinsurance and insurance since 2016, and served on the Board of First Business Financial Services, Inc., a Wisconsin-based bank holding company from 2016 to 2024.

Joy Falotico is an Independent Director of Alliant Energy, having served since 2021. Summary: Ms. Falotico served as President of Lincoln Motor Company from March 2018 until she retired in December 2022. She also served as Ford Motor Company's Chief Marketing Officer from March 2018 until January 2021 and was a Group Vice President of Ford Motor Company since 2016. Ms. Falotico was named an Executive Vice President of Ford Motor Credit Company, a leading global automotive financial services provider, in 2012. In 2016 she was named Chief Operating Officer and moved rapidly into the role of Chair and CEO, serving as CEO until 2018 and Chair until 2019. She served as a Director of Ford Motor Credit Company until 2022. Ms. Falotico has served on the Boards of Lineage, Inc., a global temperature-controlled warehouse REIT since 2024, and Lincoln Electric Holdings, Inc., a worldwide broad-line manufacturer of welding, cutting and brazing products since 2025.

Michael Garcia is an Independent Director of Alliant Energy, having served since 2020. Summary: Mr. Garcia was the Chief Executive Officer and a director of Algoma Steel Group Inc., from June 2022 until his retirement in December 2025. Mr. Garcia was President of the Pulp and Paper Division of Domtar Corporation from April 2014 to January 2021. Prior to joining Domtar, Mr. Garcia was the Chief Executive Officer at EVRAZ Highveld Steel & Vanadium Co., in South Africa. Mr. Garcia has more than 25 years of international management experience in paper, steel, and aluminum manufacturing and marketing. Mr. Garcia has been nominated to serve on the Board of Directors of Canfor Corporation, an integrated forest products company with shares traded on the Toronto Stock Exchange.

Stephanie Cox is an Independent Director of Alliant Energy, having served since 2023. Summary: Ms. Cox served as Executive President of Operations at John Wood Group PLC (Wood), a global leader in consulting and engineering in energy and materials markets, from October 2020 through July 2022. She also served as Wood's Chief Executive Officer of Asset Solutions for the Americas from October 2019 to October 2020. Prior to joining Wood, Ms. Cox held multiple executive leadership roles with Schlumberger Limited (SLB), a global technology company that drives energy innovation for a balanced planet, spanning a 28-year career, including President, North America Land Drilling; Vice President, Human Resources; President, North America; President, Asia; and leadership positions overseeing IT, Human Resources, Manufacturing and Supply Chain. Ms. Cox is the founder of Blue Sky Ambition, an executive coaching and leadership training company in 2024. Ms. Cox has served on the Board of Directors of Technip Energies, N.V., an engineering and technology company for the energy transition with shares listed on Euronext Paris, since 2023.

Thomas O'Toole is an Independent Director of Alliant Energy, having served since 2015. Summary: Since 2025, Mr. O'Toole has been Executive Director, Kellogg Executive Fellows Program and Clinical Professor of Marketing at the Kellogg School of Management of Northwestern University. From 2023 to 2025, Mr. O'Toole was Associate Dean, Executive Programs and Clinical Professor at Kellogg. From 2020 to 2023, Mr. O'Toole was Associate Dean, Executive Education and Clinical Professor of Marketing at Kellogg. From 2018 to 2020, Mr. O'Toole was Executive Director, Program for Data Analytics at Kellogg and Clinical Professor of Marketing. He is the principal of O'Toole Associates, LLC, through which he serves as a Senior Advisor with McKinsey & Co., a global management consulting firm. Until his retirement in 2016, Mr. O'Toole was Chief Marketing Officer and Senior Vice President of United Airlines and President, MileagePlus of United Continental Holdings, Inc., a global air carrier. He joined United in 2010 as Chief Marketing Officer and Senior Vice President and held positions with United as Senior Vice President, Marketing and Loyalty and President, MileagePlus, Chief Operating Officer, MileagePlus, and Chief Marketing Officer. Before joining United, Mr. O'Toole held leadership roles for over 13 years with Hyatt Hotels Corporation, including as Chief Marketing Officer and Chief Information Officer. He served on the Boards of Directors of LSC Communications, Inc., a print, print-related services and office products company, until 2021, and Extended Stay America Inc., a hotel owner and operator, until 2021.

Ms. Raymond brings extensive customer-focused marketing experience to our Board. Ms. Raymond has served as Senior Executive Vice President and Chief Marketing Officer at Kohl's, a leading retailer, since August 2022. In her current role, she is responsible for Kohl's marketing and customer service organizations, including the overall marketing strategy, brand and creative, media and personalization, credit and loyalty, customer insights and analytics, corporate communications, and philanthropic efforts. Prior to her current role, she was Executive Vice President Customer Engagement, Analytics & Insights from June 2020 to August 2022 and Senior Vice President, Media and Personalization from October 2017 to June 2020 at Kohl's. Prior to joining Kohl's, Ms. Raymond served in marketing, new business, and strategic planning leadership roles at The Walt Disney Company, where she had extensive experience with customer analytics and digital marketing, and Aspen Club Technologies.

Roger Newport is an Independent Director of Alliant Energy, having served since 2018. Summary: Mr. Newport served as Chief Executive Officer and a Director of AK Steel Holding Corporation from January 2016 until March 2020, when he retired in connection with the acquisition of AK Steel by Cleveland-Cliffs Inc. Prior to that, Mr. Newport served at AK Steel Holding Corporation as Executive Vice President, Finance and Chief Financial Officer since May 2015, as Senior Vice President, Finance and Chief Financial Officer since May 2014, and as Vice President, Finance and Chief Financial Officer since May 2012. Prior to that, Mr. Newport served in a variety of other leadership positions since joining AK Steel in 1985, including Vice President-Business Planning and Development, Controller and Chief Accounting Officer, Assistant Treasurer, Investor Relations, Manager-Financial Planning and Analysis and Product Manager. Mr. Newport has served on the Board of American Financial Group, Inc., an insurance holding company, since 2024.

Ignacio Cortina is an Independent Director of Alliant Energy, having served since 2023. Summary: Mr. Cortina has been Executive Vice President, Chief Legal and Administrative Officer of Oshkosh Corporation, a leading innovator of mission-critical vehicles and essential equipment, since November 2024. From February 2023 until November 2024, Mr. Cortina served as Executive Vice President, Chief Legal Officer and Secretary. He previously served as Executive Vice President, General Counsel and Secretary from 2016 to 2023. He has held various roles of increasing responsibility since joining Oshkosh Corporation in 2003.

Dylan M. Syse ,39, Alliant Energy, IPL and WPL, Mr. Syse was selected to become Chief Accounting Officer and Controller effective March 2, 2025. He has served as Assistant Controller since November 2021, as Manager - Accounting and Reporting from May 2020 to November 2021, and as Manager - Accounting from May 2018 to April 2020.

Ms. Farlinger has served as VP since January 2022. She previously served as Director of Operations from January 2020 to December 2021.

Ms. Valcq has served as VP since January 2026. She previously served as Assistant Vice President since 2024. From 2019 to 2024, she served as Chair of the Public Service Commission of Wisconsin.

Mr. Manu Asthana, appointed as an Independent Director effective February 23, 2026. Mr. Manu Asthana as a member of the Boards effective February 23, 2026 with Alliant Energy Corporation (Alliant Energy), Interstate Power and Light Company and Wisconsin Power and Light Company. Mr. Asthana, 52, was President and Chief Executive Officer of PJM Interconnection from 2020 to 2025. PJM Interconnection oversees the largest power grid in North America and one of the largest electricity markets in the world, serving 67 million people in 13 states and the District of Columbia. Prior to that, he held roles of increasing importance with accountabilities related to financial performance, risk, and operations at public and private utility companies. Mr. Asthana will stand for election at the Alliant Energy 2026 Annual Meeting of Shareowners as a nominee for director to serve until Alliant Energy's 2029 Annual Meeting of Shareowners, along with the three directors whose terms expire at the 2026 Annual Meeting of Shareowners. Effective February 23, 2026, Mr. Asthana will serve as a member of the Audit Committee and the Operations Committee of each Board. 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.