METHANEX CORP

REFERENCE INFORMATION

In this Annual Information Form ("AIF"), a reference to the "Company" refers to Methanex Corporation and a reference to "Methanex," "we," "us," "our" and similar words refers to the Company and its subsidiaries or any one of them as the context requires, as well as their respective interests in joint ventures and partnerships.

We use the United States dollar as our reporting currency. Accordingly, unless otherwise indicated, all dollar amounts in this AIF are stated in United States dollars.

In this AIF, unless the context otherwise indicates, all references to "methanol" are to chemical-grade methanol. Methanol’s chemical formula is CH 3 OH and it is also known as methyl alcohol.

In this AIF, we incorporate by reference our 2025 Management’s Discussion and Analysis ("2025 MD&A"), which contains information required to be included in this AIF. The 2025 MD&A is publicly accessible and is filed on the Canadian Securities Administrators’ SEDAR website atwww.sedarplus.ca and on the U.S. Securities and Exchange Commission’s EDGAR website atwww.sec.gov.

The approximate conversion of measurement used in this AIF is as follows:

1 tonne of methanol = 332.6 US gallons of methanol

Some of the historical price data and supply and demand statistics for methanol and certain other industry data contained in this AIF are derived by the Company from industry consultants or from recognized industry reports regularly published by independent consulting and data compilation organizations in the methanol industry, including Chemical Market Analytics by OPIS, a Dow Jones company, Tecnon OrbiChem Ltd., Argus, ICIS, S&P Global and Methanol Market Services Asia, an Energy Aspects (EA) company. Industry consultants and industry publications generally state that the information provided has been obtained from sources believed to be reliable. We have not independently verified any of the data from third-party sources nor have we ascertained the underlying economic assumptions relied upon in these reports.

Responsible Care® is a registered trademark of the Chemistry Industry Association of Canada and is used under license by us.