6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF THE

SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF MARCH 2024

COMMISSION FILE NUMBER 000-20115

METHANEX CORPORATION

(Registrant’s name)

SUITE 1800, 200 BURRARD STREET, VANCOUVER, BC V6C 3M1 CANADA

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover 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): o

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): o

NEWS RELEASE

Methanex Corporation

1800 - 200 Burrard St.

Vancouver, BC Canada V6C 3M1

Investor Relations: 604-661-2600

Toll-Free: 1-800-661-8851

http://www.methanex.com

For immediate release

March 8, 2024

METHANEX RELEASES 2023 SUSTAINABILITY REPORT

VANCOUVER, BRITISH COLUMBIA (March 8, 2024) — Methanex Corporation (TSX:MX) (NASDAQ:MEOH) released its 2023 Sustainability Report today to share its progress on the sustainability topics that are most material to the company and its stakeholders.

“Our top priority continues to be the safety and well-being of our team members and communities where we do business. Our Sustainability Report outlines Methanex’s commitment as the methanol leader to set the highest standards for the industry, including how we protect and develop our people, minimize our impact on the environment and contribute to our communities.” said Rich Sumner, President and CEO of Methanex. “I’m optimistic about the role the methanol molecule can play in supporting society’s decarbonization goals and our ability to actively support the transition to a low-carbon economy through our industry leadership.”

Methanex is the world’s largest producer and supplier of methanol. We make an essential product that improves everyday life and provides solutions for a sustainable future. To read Methanex’s full 2023 Sustainability Report please visit https://www.methanex.com/sustainability/reports/.

Methanex is a Vancouver-based, publicly traded company and is the world’s largest supplier of methanol to major international markets. Methanex shares are listed for trading on the Toronto Stock Exchange in Canada under the trading symbol “MX” and on the NASDAQ Global Market in the United States under the trading symbol “MEOH”. Methanex can be visited online at www.methanex.com.

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For further information, contact:

Media Inquiries

Nina Ng

Manager, Global Communications

+1-604-661-2600 or Toll Free: +1-800-661-8851

Investor Inquiries

Sarah Herriott

Director, Investor Relations

+1-604-661-2600 or Toll Free: +1-800-661-8851

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.