Suncor Energy Inc 6-K, filed Oct 22, 2020

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 ENERGY INC.

(Name of registrant)

150 – 6th Avenue 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 October 21, 2020, Suncor Energy to release third quarter 2020 financial results

FOR IMMEDIATE RELEASE

Suncor Energy to release third quarter 2020 financial results

Calgary, Alberta (Oct. 21, 2020) – Suncor will release its third quarter financial results on October 28, 2020 before 8:00 p.m. MT (10:00 p.m. ET).

A webcast to review the third quarter will be held on October 29 at 7:30 a.m. MT (9:30 a.m. ET). Representing management will be Mark Little, president and chief executive officer and Alister Cowan, chief financial officer. A question and answer period with analysts will follow brief remarks from management. Trevor Bell, vice president, Investor Relations will host the call.

Please note, telephone lines are limited and reserved for those who intend to ask a question.

To participate in the conference, go to suncor.com/webcasts.

If you are an analyst or media and would like to participate in the Q&A period:

An archive of the webcast will be available on suncor.com/webcasts.

Suncor Energy is Canada's leading integrated energy company.Suncor's operations include oil sands development and upgrading, offshore oil and gas production, petroleum refining, and productmarketing under the Petro-Canada brand. A member of Dow Jones Sustainability indexes, FTSE4Good and CDP, Suncor is working to responsiblydevelop petroleum resources while also growing a renewable energy portfolio. Suncor is listed on the UN Global Compact 100 stockindex. Suncor's common shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

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For more information about Suncor, visit our website at suncor.com, follow us on Twitter @Suncor or Living our Purpose.