Suncor Energy (SU) 6-KSuncor Energy announces 2025 corporate guidance

Exhibit 99.1

News Release

FOR IMMEDIATE RELEASE

Suncor Energy announces 2025 corporate guidance

All financial figures are in Canadian dollars, unless noted otherwise

Calgary, Alberta (December 12, 2024)

Suncor Energy (TSX: SU) (NYSE: SU) released its 2025 corporate guidance today including growing annual upstream production to 810,000 to 840,000 bbls/d as well as increased annual refining utilization of 93% to 97%, both reflecting the sustainability of the higher performance achieved throughout 2024. Suncor’s upstream production increase is consistent with the plan presented at its Investor Day earlier this year and builds on the tangible improvements to free funds flow growth achieved in 2024, which are ahead of target. Upstream production reflects planned turnaround and maintenance activities during the year; including a 91-day outage at Base Plant Upgrader 1 for the coke drum replacement project. Downstream utilization also reflects the impact of planned turnarounds at the Edmonton and Sarnia refineries totaling 58 and 40 days, respectively.

“We are 100% focused on growing free funds flow per share through increased volumes, margins, cost reductions, and a disciplined capital investment program. Our 2025 guidance embodies this focus and is aligned with the commitments we set in our May 2024 Investor Day,” said Rich Kruger, President and Chief Executive Officer. “We are delivering value to shareholders ahead of expectations through Suncor’s unparalleled, integrated upstream and downstream asset base, underpinned by large scale, long-life oil sands resources.”

Suncor’s 2025 capital program is a balance between investments in sustaining its business, while selectively investing in high value economic opportunities. Major economic investments planned or continuing in 2025 include the replacement of the Upgrader 1 coke drums at Base Plant, the development of the Mildred Lake West Mine Extension and West White Rose projects, and the execution of our Petro-Canada retail network improvement plan.

Suncor’s lower cash operating costs per barrel continue to reflect progress on its initiatives to reduce its corporate WTI breakeven by US$10 per bbl versus 2023. Fort Hills cash operating costs per barrel include a continuation of accelerated activities at the North Pit to unlock long-term production faster than originally planned.

“Our confidence in our ability to deliver the commitments outlined in the three year plan we put forward in May 2024 increases each day”, added Rich Kruger. “The best is yet to come at ‘Today’s’ Suncor.”

Production & Throughput Guidance

Capital Guidance ⁽⁵⁾

(C$ millions)

Cash Operating Cost Guidance

(C$/bbl)

Other Information

Business Environment ⁽¹³⁾

Adjusted Funds From Operations Sensitivities ⁽¹⁴⁾

(C$ millions)

Legal Advisory – Forward-Looking Statements

This news release contains certain forward-looking information and forward-looking statements (collectively referred to herein as “forward-looking statements”) within the meaning of applicable Canadian and U.S. securities laws. Forward-looking statements in this news release include references to: the expectation that Suncor’s capital spending program will continue to trend lower and will be approximately $6.1 to $6.3 billion and expectations of where that spending will be directed; Suncor’s expectations around 2025 annual production, including the total production range, the total bitumen production range, the upgraded - net SCO and diesel range, non-upgraded bitumen range, total oil sands production range, total exploration and production range, the planned production ranges for each producing asset including the total planned production range for Oil Sands operations, the planned production range for SCO and diesel, and non-upgraded bitumen from Oil Sands operations, the planned production range for each of Fort Hills and Syncrude, and the planned range of inter-asset transfers and consumption; Suncor’s expectations of cash operating costs for Oil Sands operations, Fort Hills, and Syncrude; Suncor’s expected Refinery Throughput, Refinery Utilization, and Refined Product Sales; Suncor’s expected Capital Expenditures for each of its segments; the expected length of outages at the Base Plant Upgrader due to the coke drum replacement project and at the Edmonton and Sarnia refineries due to scheduled turnarounds; the design and expected impacts and the major economic investments of Suncor’s capital program; and the expected continuation of accelerated activities at Fort Hills North Pit. In addition, all other statements and information about Suncor’s strategy for growth, expected and future expenditures or investment decisions, commodity prices, costs, schedules, production volumes, operating and financial results and the expected impact of future commitments are forward-looking statements. Some of the forward-looking statements may be identified by words like “guidance”, “outlook”, “will”, “expected”, “estimated”, “focus”, “planned”, “believe”, “anticipate” and similar expressions.

Forward-looking statements are based on Suncor’s current expectations, estimates, projections and assumptions that were made by the company in light of its experience and its perception of historical trends including expectations and assumptions concerning: the accuracy of reserves estimates; commodity prices and interest and foreign exchange rates; the performance of assets and equipment; uncertainty related to geopolitical conflict; capital efficiencies and cost-savings; applicable laws and government policies; future production rates; the sufficiency of budgeted capital expenditures in carrying out planned activities; the availability and cost of labour, services and infrastructure; the satisfaction by third parties of their obligations to Suncor; the development and execution of projects; and the receipt, in a timely manner, of regulatory and third-party approvals.

Forward-looking statements are not guarantees of future performance and involve a number of risks and uncertainties, some that are similar to other oil and gas companies and some that are unique to our company. Suncor’s actual results may differ materially from those expressed or implied by our forward-looking statements and you are cautioned not to place undue reliance on them.

Assumptions for the Oil Sands operations, Syncrude, and Fort Hills 2025 production outlook include those relating to reliability and operational efficiency initiatives that the company expects will minimize unplanned maintenance in 2025. Assumptions for the Exploration and Production 2025 production outlook include those relating to reservoir performance, drilling results and facility reliability. Factors that could potentially impact Suncor's 2025 corporate guidance include, but are not limited to:

Non-GAAP Financial Measures

Oil Sands operations cash operating costs, Fort Hills cash operating costs, and Syncrude cash operating costs are not prescribed by Canadian generally accepted accounting principles (“GAAP”). These non-GAAP financial measures are included because management uses the information to analyze business performance, including on a per barrel basis, as applicable, and it may be useful to investors on the same basis. These non-GAAP financial measures do not have any standardized meaning and, therefore, are unlikely to be comparable to similar measures presented by other companies. These non-GAAP financial measures should not be considered in isolation or as a substitute for measures of performance prepared in accordance with GAAP. These non-GAAP financial measures are defined in the Non-GAAP Financial Measures Advisory section of the MD&A and, for the period ended September 30, 2024, are reconciled to the comparable GAAP measure in the MD&A, and each such reconciliation are incorporated by reference herein. Oil Sands operations cash operating costs, Fort Hills cash operating costs and Syncrude cash operating costs per barrel are based upon the production assumptions of each respective asset and that the natural gas used at each respective asset will be priced at an average of $2.50/GJ for 2025. The Syncrude cash operating costs per barrel measure may not be fully comparable to similar information calculated by other entities due to differing operations.

Suncor’s Management’s Discussion and Analysis for the third quarter of 2024 dated November 12, 2024 (the “MD&A”), its Annual Information Form, Annual Report to Shareholders and Form 40-F, each dated March 21, 2024, and other documents it files from time to time with securities regulatory authorities describe the risks, uncertainties, material assumptions and other factors that could influence actual results and such factors are incorporated herein by reference. Copies of these documents are available on SEDAR+ at sedarplus.ca or EDGAR at sec.gov. Except as required by applicable securities laws, Suncor disclaims any intention or obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Suncor Energy is Canada's leading integrated energy company. Suncor’s operations include oil sands development, production and upgrading; offshore oil production; petroleum refining in Canada and the U.S.; and the company’s Petro-Canada™ retail and wholesale distribution networks (including Canada’s Electric Highway™, a coast-to-coast network of fast-charging EV stations). Suncor is developing petroleum resources while advancing the transition to a lower-emissions future through investment in lower emissions intensity power, renewable feedstock fuels and projects targeting emissions intensity. Suncor also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products and power. Suncor’s common shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

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