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October 10, 2024

CANADIAN UTILITIES TO RELEASE THIRD QUARTER 2024 RESULTS ON NOVEMBER 14, 2024

CALGARY, Alberta - Canadian Utilities Limited (TSX: CU)

Canadian Utilities Limited (Canadian Utilities) will release its financial results for the quarter ended September 30, 2024, on Thursday, November 14, 2024. The news release will be distributed via Cision (www.newswire.ca/news-releases/) and the results, including Financial Statements and Management's Discussion & Analysis, will be posted on www.canadianutilities.com.

Canadian Utilities will hold a live teleconference and webcast with Katie Patrick, Executive Vice President & Chief Financial Officer, Wayne Stensby, Chief Operating Officer, ATCO Energy Systems, and Bob Myles, Chief Operating Officer, ATCO EnPower, at 9:00 am Mountain Time (11:00 am Eastern Time) on Thursday, November 14, 2024 at 1-844-763-8274. No pass code is required.

Opening remarks will be followed by a question and answer period with investment analysts. Participants are asked to please dial-in 10 minutes prior to the start and request to join the Canadian Utilities teleconference.

Management invites interested parties to listen via live webcast at: https://www.canadianutilities.com/ en-ca/investors/events-presentations.html.

A replay of the teleconference will be available approximately two hours after the conclusion of the call until December 14, 2024. Please call 1-855-669-9658 and enter pass code 5199285.

Canadian Utilities Limited and its subsidiary and affiliate companies have approximately 9,000 employees and assets of $23 billion. Canadian Utilities, an ATCO company, is a diversified global energy infrastructure corporation delivering essential services and innovative business solutions. ATCO Energy Systems delivers energy for an evolving world through its electricity and natural gas transmission and distribution, and international operations segments. ATCO EnPower creates sustainable energy solutions in the areas of renewables, energy storage, industrial water and alternative fuels. ATCO Australia develops, builds, owns and operates energy and infrastructure assets. ATCOenergy and Rumi provide retail electricity and natural gas services, home maintenance services and professional home advice that bring exceptional comfort, peace of mind and freedom to homeowners and customers. More information can be found at www.canadianutilities.com.

Investor & Analyst Inquiries: Colin Jackson Senior Vice President, Financial Operations Colin.Jackson@atco.com (403) 808 2636

Media Inquiries: Kurt Kadatz Director, Corporate Communications Kurt.Kadatz@atco.com (587) 228 4571

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