SU Suncor Energy Inc

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 April 30, 2015, Suncor Energy shareholders approve all resolutions at Annual General Meeting

FOR IMMEDIATE RELEASE

Suncor Energy shareholders approve all resolutions at Annual General Meeting

Calgary, Alberta (April 30, 2015) – Suncor Energy held its Annual General Meeting in Calgary today. A total of approximately 952 million shares (approximately 65.88% of outstanding common shares) were represented in person or by proxy.

Shareholders approved the following resolutions at the meeting:

1.            The appointment of 12 board members (11 of whom are independent), with shares represented at the meeting voting in favour of individual directors as follows:

2.            The appointment of PricewaterhouseCoopers LLP as Suncor’s auditors.

3.            The resolution to confirm amendments to Suncor’s By-Law No.1 that increase the quorum requirements for meetings of shareholders and eliminate the ability of the chair of shareholders’ and directors’ meetings to have a casting vote in the event of a tie, with 99.68% of shares represented at the meeting voting in favour of the resolution.

4.            The resolution to confirm Amended and Restated By-Law No. 2 as a by-law of Suncor, with 97.35% of shares represented at the meeting voting in favour of the resolution. Amended and Restated By-Law No. 2 establishes a framework for the advance notice by shareholders intending to nominate directors for election to Suncor’s Board of Directors.

5.            Management’s approach to executive compensation (say on pay) disclosed in Suncor’s management proxy circular, with 93.54% of shares represented at the meeting voting in favour of the advisory resolution.

Note: the biographies of Board members and further details about Suncor’s corporate governance practices are available at suncor.com/governance.

The text of remarks by Steve Williams, president and chief executive officer, and Alister Cowan, executive vice president and chief financial officer, are available at suncor.com/speeches.

An archive of the video webcast of the meeting will be available for the next 90 days at suncor.com/webcasts.

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

– 30 –

For more information about Suncor, visit our web site at suncor.com, follow us on Twitter @SuncorEnergy, read our blog, OSQAR or come and See what Yes can do.

Media inquiries:

403-296-4000

media@suncor.com

Investor inquiries:

800-558-9071

invest@suncor.com

EXHIBIT 99.2

Report of Voting Results

Annual Meeting of Shareholders of

SUNCOR ENERGY INC.

(“Suncor”)

April 30, 2015

REPORT OF VOTING RESULTS

National Instrument 51-102 – Continuous Disclosure Obligations

Section 11.3

Matters Voted Upon

1.                                    By resolution passed by vote conducted by ballot, the following directors were elected to hold office until the next annual meeting of shareholders:

2.                                    By resolution passed by show of hands, PricewaterhouseCoopers LLP, Chartered Accountants, was appointed to serve as Suncor’s independent auditors until the next annual meeting of shareholders.

3.                                    A resolution to confirm amendments to Suncor’s By-Law No. 1 was approved by a vote, conducted by ballot, of 900,924,395 (99.68%) for and 2,924,203 (0.32%) against.

4.                                    A resolution to confirm Amended and Restated By-Law No. 2 as a by-law of Suncor was approved by a vote, conducted by ballot, of 879,918,883 (97.35%) for and 23,929,507 (2.65%) against.

5.                                    Management’s approach to executive compensation (say on pay) disclosed in Suncor’s management proxy circular dated February 26, 2015 was approved by a vote, conducted by ballot, of 845,453,546 (93.54%) for and 58,391,659 (6.46%) against.