Hydro One (H) investor relations material

Opening remarks and agenda

• Meeting opened with acknowledgment of Indigenous lands and appreciation for shareholder engagement.

• Agenda included formal business, executive remarks, and Q&A sessions.

• Meeting held virtually with participation from shareholders, proxy holders, and guests.

• Welcomed Megan Telford as new President, CEO, and Board member, succeeding David Lebeter upon his retirement.

• Perrin Beatty was welcomed as an incoming Director, with thanks extended to outgoing Directors Helga Reidel and Mitch Panciuk.

Board and executive committee updates

• Outgoing President and CEO David Lebeter and incoming CEO Megan Telford introduced.

• Megan Telford was elected as Director and appointed President and CEO.

• Perrin Beatty joined the Board, while Helga Reidel and Mitch Panciuk departed.

• Director nominees listed, with thanks to outgoing directors for their service.

• Board now comprises 50% female members and 11% Indigenous representation.

Financial performance review

• Reported $39.7 billion in assets as of December 31, 2025, and $9 billion in annual revenues for 2025.

• Invested $3.4 billion in transmission and distribution networks in 2025.

• Supported the economy by purchasing $3.0 billion in goods and services in 2025.

• Achieved CAD 254 million in savings and returned CAD 166 million to customers.

• Funds from operations to debt ratio at 14.2%, well above rating agency thresholds.