Methanex approves buyback of up to 3.87M shares

Repurchases are scheduled to run from November 4, 2026, through no later than November 3, 2027, and all shares purchased will be cancelled.

Rhea-AI Filing Summary

Methanex Corporation (MEOH) approved a Normal Course Issuer Bid to purchase for cancellation up to 3,868,213 common shares, approximately 5% of the 77,364,263 shares issued and outstanding as of October 29, 2026.

Purchases are scheduled to begin November 4, 2026, and end no later than November 3, 2027, at the then-current market price. The company will purchase shares on the open market through the NASDAQ Global Selection Market and alternative trading systems in the United States under Rule 10b-18, and will cancel all shares purchased. Subject to certain exceptions for block purchases, daily purchases through those markets will not exceed 25% of the company’s average daily trading volume for the four-week period preceding the purchase. Methanex will enter into an automatic securities purchase plan with its broker for purchases under the bid.

Key Figures

Maximum shares to be purchased for cancellation: 3,868,213 common shares Portion of issued and outstanding shares: Approximately 5% Shares issued and outstanding: 77,364,263 shares +2 more

5 metrics

Maximum shares to be purchased for cancellation 3,868,213 common shares Under the Normal Course Issuer Bid

Portion of issued and outstanding shares Approximately 5% As of October 29, 2026

Shares issued and outstanding 77,364,263 shares As of October 29, 2026

Daily purchase limit 25% of average daily trading volume For the four-week period preceding the purchase; subject to certain exceptions for block purchases

Purchase period November 4, 2026 to no later than November 3, 2027 Scheduled period for purchases under the NCIB

Key Terms

Normal Course Issuer Bid, automatic securities purchase plan, average daily trading volume, Rule 10b-18

4 terms

Normal Course Issuer Bid financial

"approved a Normal Course Issuer Bid"

A Normal Course Issuer Bid is when a company buys back its own shares from the stock market over time. This usually shows that the company believes its stock is undervalued and wants to support its price, which can be important for investors to watch.

automatic securities purchase plan financial

"enter into an automatic securities purchase plan with its broker"

A plan a company sets up to buy its own shares automatically according to preset rules — for example, when the stock hits certain prices or at regular intervals — without managers deciding each trade. For investors this matters because automatic buybacks can reduce the number of shares outstanding, often supporting the stock price and boosting per-share metrics, much like a steady repurchasing habit gradually shrinking the size of a shared pie.

average daily trading volume financial

"25 percent of the Company’s average daily trading volume"

The average daily trading volume is the typical number of shares or units of a security that change hands each trading day, calculated over a set period. It tells investors how active a market is—like average traffic on a road—so higher volume usually means easier, faster trades and smaller price swings when buying or selling, while low volume can make orders harder to fill and cause bigger price moves.

Rule 10b-18 regulatory

"pursuant to Rule 10b-18 under the U.S. Securities Exchange Act of 1934"

Rule 10b-18 is a regulation that sets strict rules for how a company's executives and employees can buy back their own company's stock from the market. It helps ensure that these buybacks happen in a fair and transparent way, reducing the chance of market manipulation. This is important for investors because it offers protection against unfair practices and promotes confidence in the integrity of the stock market.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares may MEOH repurchase under its NCIB?

Methanex may purchase for cancellation up to 3,868,213 common shares, approximately 5% of its 77,364,263 shares issued and outstanding as of October 29, 2026.

When does MEOH's NCIB begin and end?

Purchases are scheduled to begin November 4, 2026, and end no later than November 3, 2027.

What daily limit applies to MEOH's NCIB purchases?

Subject to certain exceptions for block purchases, daily purchases through NASDAQ and alternative trading systems in the United States will not exceed 25% of average daily trading volume for the four-week period preceding the purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/30/2026 - 11:34 AM EDT Accepted by SEC EDGAR 10/30/2026 - 11:33 AM EDT Learn about SEC filing dates

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 OCTOBER 2026

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.

Form 20-F     o Form 40-F     þ

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

METHANEX CORPORATION

(the “Company”)

MATERIAL CHANGE REPORT

FORM 51-102F3

1.NAME AND ADDRESS OF COMPANY

Methanex Corporation

1800 Waterfront Centre

200 Burrard Street

Vancouver, British Columbia V6C 3M1

2.DATE OF MATERIAL CHANGE

October 29, 2026

3.NEWS RELEASE

The news release announcing this material change was issued on October 29, 2026 in Canada and the United States.

4.    SUMMARY OF MATERIAL CHANGE

Methanex Corporation (the “Company”) announced on October 29, 2026 that its Board of Directors has approved a Normal Course Issuer Bid (“NCIB”). The Company will purchase for cancellation up to approximately 5% of the issued and outstanding shares as of October 29, 2026.

5.    FULL DESCRIPTION OF MATERIAL CHANGE

5.1    FULL DESCRIPTION OF MATERIAL CHANGE

Under the NCIB, the Company will purchase for cancellation up to 3,868,213 common shares ("Shares"), representing approximately 5% of the 77,364,263 Shares issued and outstanding as of October 29, 2026.

Purchases under the NCIB will commence on November 4, 2026 and end no later than November 3, 2027. Purchases will be made from time to time at the then current market price of the Company’s Shares and all Shares purchased under the NCIB will be cancelled.

Purchases pursuant to the NCIB will be made on the open market through the facilities of the NASDAQ Global Selection Market (“NASDAQ”) and alternative trading systems in the United States pursuant to Rule 10b-18 under the U.S. Securities Exchange Act of 1934.

Subject to certain exceptions for block purchases, daily repurchases under the program through the NASDAQ and alternative trading systems in the United States will not exceed 25 percent of the Company’s average daily trading volume for the four-week period preceding the date of purchase. The Company will enter into an automatic securities purchase plan with its broker in connection with purchases to be made under the NCIB.

5.2    DISCLOSURE FOR RESTRUCTURING TRANSACTIONS

Not applicable.

6.    RELIANCE ON SUBSECTION 7.1(2) OF NATIONAL INSTRUMENT 51-102

Not applicable.

7.    OMITTED INFORMATION

Not applicable.

8.    EXECUTIVE OFFICER

For further information, contact:

Kevin Price

SVP, General Counsel & Corporate Secretary

604-661-2658

9.    DATE OF REPORT

October 29, 2026

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.

METHANEX CORPORATION

Date:  October 29, 2026

By:

/s/ KEVIN PRICE

Name:

Kevin Price

Title:

SVP, General Counsel & Corporate Secretary