Hydro One First Quarter 2021 Results Release May 7, 2021 Before Markets Open

Investment Community Teleconference Set for May 7, 2021 at 8 a.m. ET

TORONTO, April 9, 2021 /PRNewswire/ - Hydro One Limited (TSX: H), the largest electric transmission and distribution utility in Ontario, plans to release its first quarter financial results the morning of May 7, 2021 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 hydroone.com/investors and www.sedar.com.

Hydro One's management will host a teleconference with the investment community at 8 a.m. ET that same morning to discuss the results and outlook. Those wishing to listen to the teleconference should access the live webcast on 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.

Those members of the North American financial community wanting to ask questions during the call should dial 1.866.221.1674 at least ten minutes prior to the scheduled start time and request Hydro One's first quarter results teleconference, conference ID 3790693 (international callers should dial 1.270.215.9604).  Other interested parties and media are welcome to participate on a listen-only basis.

Hydro One Limited (TSX: H)

Hydro One Limited, through its wholly-owned subsidiaries, is Ontario's largest electricity transmission and distribution provider with approximately 1.4 million valued customers, approximately $30.3 billion in assets as at December 31, 2020, and annual revenues in 2020 of approximately $7.3 billion.

Our team of approximately 8,700 skilled and dedicated employees proudly build and maintain a safe and reliable electricity system which is essential to supporting strong and successful communities. In 2020, Hydro One invested approximately $1.9 billion in its transmission and distribution networks and supported the economy through buying approximately $1.7 billion of goods and services.

We are committed to the communities where we live and work through community investment, sustainability and diversity initiatives. We are designated as a Sustainable Electricity Company by the Canadian Electricity Association.

Hydro One Limited's common shares are listed on the TSX and certain of Hydro One Inc.'s medium term notes are listed on the NYSE. Additional information can be accessed at www.hydroone.com; www.sedar.com or www.sec.gov.

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SOURCE Hydro One Limited