Annual and Special Meeting of Shareholders

Melissa Sonberg

Melissa Sonberg is a corporate director and Chair of the Board of Hydro One Limited. Ms. Sonberg was most recently a Professor of Practice at McGill University’s Desautels Faculty of Management, where she was a faculty member from 2014 to 2024. She spent the early part of her career in the healthcare industry before joining Air Canada, where she held leadership positions in a range of customer facing, operational and corporate functions. Ms. Sonberg was part of the founding executive team of Aeroplan, which became part of AIMIA Inc. Ms. Sonberg held positions of Senior Vice President, Human Resources & Corporate Affairs and Senior Vice President, Global Brands, Communications and External Affairs at AIMIA from 2001 to 2013.

Ms. Sonberg sits on the boards of Exchange Income Corporation (TSX), Athennian, Enghouse Systems Inc. (TSX), Canada Post Corporation and the Canadian Foundation for Governance Research.

Ms. Sonberg holds a Bachelor of Science (Psychology) from McGill University, a Master of Health Administration from the University of Ottawa and holds her ICD.D. She is a Certified Human Resource Executive (CHRE).

David Lebeter

David Lebeter serves as the President and CEO of Hydro One, Ontario's largest electricity transmission and distribution provider. Prior to his appointment as President and CEO in 2023, Mr. Lebeter served as the company’s Chief Operating Officer where he successfully managed Hydro One’s capital investments, grid reliability and system operations, laying the groundwork for the construction of hundreds of kilometers of required new transmission lines over the next two decades.

Before joining Hydro One, Mr. Lebeter held progressively senior positions in operations and safety at BC Hydro from 2005 to 2019, contributing to advancements in safety, grid reliability, employee engagement, and customer service.

Mr. Lebeter's professional affiliations include serving as an Executive Board Member for Smart Grid Northwest, an Operations Board Member for Western Energy Institute, and Chairman of the Distribution Council with the Canadian Electricity Association. He holds a Bachelor’s degree in Forestry from the University of British Columbia and is a registered professional forester. Additionally, Mr. Lebeter earned an Executive Master of Business Administration from Simon Fraser University. Mr. Lebeter holds his ICD.D.

Louise Meegan

Louise Meegan is a seasoned corporate secretarial professional with over 10 years of experience in providing governance support to boards of directors and committees of various organizations. She is currently Vice President, Corporate Secretary at Hydro One Limited, Canada's largest electricity transmission and distribution company, where she leads a team of experienced corporate law clerks and oversees all aspects of the oversight and management of the operations of the Board of Directors, its Committees, and Hydro One’s subsidiary companies' board operations. She is also responsible for advising the Board of Directors on corporate governance best practices.

Louise holds a master’s degree in corporate governance and management and a bachelor’s degree in law. She is also an Associate Member of the Chartered Governance Institute, the leading global authority on governance and compliance. She has previously worked as an Assistant Corporate Secretary at Royal Bank of Canada, one of the world's leading financial institutions, and as a Company Secretary at two of Ireland's top law firms, where she managed a large portfolio of clients across various sectors and jurisdictions. Louise is passionate about delivering high-quality governance services and enhancing board effectiveness and performance.