Hydro-Québec – Issue of Medium-Term Notes 4.90% Due February 15, 2067 on the Canadian Market

Montreal – Hydro-Québec announces that it has negotiated on the Canadian domestic market the issue of notes totaling C$500,000,000, Series 0093 maturing on February 15, 2067, under its Canadian Medium Term Note Programme.

The notes, with a coupon of 4.90% payable semi-annually, will be offered on the market at a price of 99.591 plus interest deemed to have accrued from August 15, 2026. The yield is 4.923%. The notes will be issued and delivered as of the closing date scheduled for October 28, 2026.

The lead manager for this issue is National Bank Financial Inc., with BMO Nesbitt Burns Inc. and CIBC World Markets Inc. acting as co-lead managers, Casgrain & Company Limited, Desjardins Securities Inc., Laurentian Bank Securities Inc., RBC Dominion Securities Inc., Scotia Capital Inc. and The Toronto-Dominion Bank acting as other managers.

This is a new issue designated as Series 0093.