Suncor Energy Inc 6-K, filed Jul 8, 2022

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

SUNCOR ENERGYINC.

(Name of registrant)

150 – 6thAvenue S.W.

P.O. Box 2844

Calgary, Alberta

Canada, T2P 3E3

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

EXHIBIT 99.1

News Release dated July 7, 2022, Suncor Energy responds to fatality at Base Plant Mine

Exhibit 99.1

FOR IMMEDIATE RELEASE

Suncor Energy responds to fatalityat Base Plant Mine

Calgary, Alberta (July 7, 2022) – Suncor regretfully reports that a contractor worker was fatally injured this morning at our Base Plant site north of Fort McMurray, Alberta.

Suncor Emergency Services responded to an incident at a shovel maintenance pad in the mine early this morning where a Komatsu employee was pronounced deceased at the scene.

“This is an incredibly sad and difficult day, and I offer my condolences to the family, friends and co-workers of the individual,” said Mark Little, Suncor president and chief executive officer.

As the response continues, Suncor is focused on the safety and well-being of its people. Suncor is working alongside Komatsu to ensure everyone impacted has the support they need, including access to grief counselling services.

The appropriate authorities have been informed and an investigation is underway. Next of kin have been notified and the name of the individual will not be released without their consent.

In light of these events, Suncor will postpone the Oil Sands Operations Presentation scheduled for July 13, 2022. By deferring the presentation, the senior leaders who were scheduled to participate can focus fully on responding to the incident and caring for our workforce. The presentation will be rescheduled for this fall and more information will be shared when available.

We remain committed to improving our safety and operational performance. Today’s tragedy underscores the importance of our work to improve the safety of our operations.

Suncor Energy is Canada's leadingintegrated energy company. Suncor's operations include oil sands development. production and upgrading, offshore oil and gas production,petroleum refining in Canada and the U.S. and the company’s Petro-Canada retail and wholesale distribution networks, includingCanada’s Electric Highway, a coast-to-coast network of fast-charging EV stations. Suncor is developing petroleum resources whileadvancing the transition to a low-emissions future through investment in power, renewable fuels and hydrogen. Suncor also conducts energytrading 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 index, FTSE4Good and CDP. Suncor'scommon shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

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