6-K

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 – 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:

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

FOR IMMEDIATE RELEASE

Suncor Energy declares dividend

All financial figures are in Canadian dollars.

Calgary, Alberta (May 7, 2024) – Suncor Energy’s (TSX: SU) (NYSE: SU) Board of Directors has approved a quarterly dividend of $0.545 per share on its common shares, payable June 25, 2024 to shareholders of record at the close of business on June 4, 2024.

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

For more information about Suncor, visit our website at suncor.com.

Media inquiries:

(833) 296-4570

media@suncor.com

Investor inquiries:

invest@suncor.com