Investor Presentation March 2024

21 Reducing emissions and exploring paths to low-carbon methanol Providing solutions for the emerging low-carbon market supports our strategy of global methanol leadership Efficiency Projects For the last three years, Methanex has systematically identified, evaluated and implemented efficiency and emissions reduction projects. In 2023, invested more than $15 million of capital into energy efficiency and reliability projects with GHG reduction benefits at existing sites. Reduced-intensity Expansion Projects The G3 plant in Geismar, Louisiana, is expected to start up in 2024 and will have one of the lowest emission intensity profiles in the industry. Low Carbon Projects Invested close to $1 million on feasibility studies for carbon capture and storage (CCS) in 2023, which allowed us to refine the potential scope and increase certainty around key assumptions required to progress a project into Pre-FEED. Renewable Natural Gas Using renewable natural gas or biomass in a conventional methanol process results ina form of green methanol called bio-methanol. E-methanol Production Exploring opportunities and conducting feasibility studies to use renewable electricity to produce green hydrogen and combine this with industrial or biogenic CO₂ from third parties to produce e-methanol. The upgrades from projects completed in 2022 and 2023 will help avoid ~60,000 tonnes CO₂ e per year. Estimated G3 intensity of <0.30 tonnes of CO₂/tonne of methanol, which will lower our average emissions intensity. Committed to advance at least one low-carbon project into Pre- FEED (Preliminary Front End Engineering and Design) in 2024. Certified by the ISCC to produce bio-methanol in Geismar, enabling sales to European fuel customers underthe Renewable Energy Directive II (RED II). Plan to further explore the feasibility of e-methanol specifically at our Geismar, U.S., and Damietta Egypt sites in 2024. Methanex | The Global Methanol Leader | Investor Presentation March 2024 methanex the power of agility

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