Mr. Rich Kruger reports

SUNCOR ENERGY TO RELEASE THIRD QUARTER 2023 FINANCIAL RESULTS

Suncor Energy Inc. will release its third quarter financial results on Nov. 8, 2023, before 8 p.m. MT (10 p.m. ET).

A webcast to review the third quarter will be held on Nov. 9, 2023, at 7:30 a.m. MT (9:30 a.m. ET). Representing management will be Rich Kruger, president and chief executive officer, and Kris Smith, chief financial officer. A question and answer period with analysts will follow brief remarks from management. Troy Little, vice-president, investor relations, will host the call.

To listen to the webcast, please join on-line (link available in the original verison of this release).

If you are an analyst and would like to participate in the Q&A (question and answer) period, please register on-line (link available in the original verison of this release).

About Suncor Energy Inc.

Suncor Energy is Canada's leading integrated energy company. Suncor's operations include oil sands development, production and upgrading; offshore oil and gas; petroleum refining in Canada and the United States; and the company's Petro-Canada retail and wholesale distribution networks (including Canada's Electric Highway, a coast-to-coast network of fast-charging electric vehicle stations). Suncor is developing petroleum resources while advancing the transition to a low-emission future through investment in power and renewable fuels. Suncor also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products and power. Suncor has been recognized for its performance and transparent reporting on the Dow Jones Sustainability North American Index, FTSE4Good Index and CDP. Suncor's common shares (symbol: SU) are listed on the Toronto Stock Exchange and the New York Stock Exchange.