Hydro One To Release Third Quarter 2024 Results On November 7, 2024 Before Markets Open

Hydro One Limited the largest electric transmission and distribution utility in Ontario, plans to release its third quarter financial results the morning of November 7, 2024, before North American financial markets open. A summary of the results will be distributed by newswire and the complete MD&A and financial statements will be posted at www.hydroone.com/investors and www.sedarplus.com.

Hydro One's management will host a teleconference with the investment community starting at 8 a.m. ET that same morning to discuss the results and outlook. Those wishing to listen to the teleconference can access the live webcast through the Investor Relations Events and Presentations section of Hydro One's website at www.hydroone.com/investors. A rebroadcast of the teleconference will be available following the call at the same link.

Members of the North American financial community wanting to ask questions during the call should use the following link (registration link), and you will be provided with personalized dial-in details. To avoid delays, we encourage participants to dial into the conference call fifteen minutes ahead of the scheduled start time. Other interested parties and media are welcome to participate on a listen-only basis.