Ms. Susan Wolburgh Jenah reports

HYDRO ONE LIMITED ANNOUNCES SUSAN WOLBURGH JENAH AS INTERIM CHAIR OF THE BOARD OF DIRECTORS

Susan Wolburgh Jenah was selected by Hydro One Ltd.'s board of directors to serve as interim chair of the board. The current chair, Timothy Hodgson, has taken an unpaid leave of absence to run in the federal election for the Liberal Party of Canada.

Ms. Wolburgh Jenah joined the board of directors on Jan. 1, 2020, and serves as the governance and regulatory committee chair, and as a member of the indigenous, peoples, safety and operations committee.

Susan Wolburgh Jenah biography

Ms. Wolburgh Jenah is a corporate director with four decades of experience as a senior regulator, chief executive officer, lawyer and director. Throughout her career, she has served on numerous corporate, Crown corporation, and not-for-profit boards and expert advisory committees.

Ms. Wolburgh Jenah currently serves on the board of Aecon Group Inc. (Toronto Stock Exchange) and is chair of the corporate governance, nominating and compensation committee. She recently served as vice-chair of Humber River Hospital and as a member of the independent review committee of Vanguard Investments Canada. Prior directorships include serving as a public governor of the U.S. Financial Industry Regulatory Authority, as chair of the NEO Exchange, and as a director of Laurentian Bank of Canada, Aequitas Innovations, The Global Risk Institute, the Investment Industry Regulatory Organization of Canada (IIROC) and the Institute of Corporate dDirectors.

Ms. Wolburgh Jenah was the founding president and chief executive officer of IIROC and held numerous executive roles at the Ontario Securities Commission, including vice-chair, acting chair, general counsel and head of international affairs.

Ms. Wolburgh Jenah holds a bachelor of arts from the University of Toronto and a juris doctor from Osgoode Hall Law School. She is also a member of the C.D. Howe National Advisory Council and served as mentor to the Catalyst Women on Board Program. She is a prior fellow and adjunct professor at Osgoode Hall Law School and recipient of the Osgoode Hall Gold Key for Achievement in 2011. Ms. Wolburgh Jenah holds her ICDD.

About Hydro One Ltd.

Hydro One, through its wholly owned subsidiaries, is Ontario's largest electricity transmission and distribution provider with approximately 1.5 million valued customers, approximately $36.7-billion in assets as at Dec. 31, 2024, and annual revenues in 2024 of approximately $8.5-billion.

The company's team of approximately 10,100 skilled and dedicated employees proudly build and maintain a safe and reliable electricity system which is essential to supporting strong and successful communities. In 2024, Hydro One invested approximately $3.1-billion in its transmission and distribution networks, and supported the economy through buying approximately $2.9-billion of goods and services.

The company is committed to the communities where it lives and works through community investment, sustainability and diversity initiatives.

Hydro One's common shares are listed on the Toronto Stock Exchange and certain of Hydro One's medium term notes are listed on the New York Stock Exchange.