Investor Presentation October 2023

22 Focused cost discipline Our flexible-cost structure enables us to provide secure supply to our customers and create value throughout the cycle Natural gas Natural gas ~50%¹ Flexible cost structure as approximately 60% of our natural gas supply contracts are linked to methanol prices: North America: target ~70% of current natural gas requirements under fixed price contracts or financial hedges. Hedged ~70% in 2024 and 2025. Rest of world: natural gas price varies based on methanol prices which enables assets to be competitive across a wide range of methanol prices 1. Natural gas prices vary with methanol pricing. Percentage of cost structure based on a mid-cycle or $350/MT ARP price. Methanex | The Global Methanol Leader | Investor Presentation October 2023 Logistics ~25% Other Logistics Fleet of 32 leased and owned vessels supplemented with short-term COA vessels and spot vessel shipments Integrated supply chain allows benefit of back-haul shipments Network of owned and leased terminals worldwide Various in-region logistics capabilities including barge, rail, truck and pipeline Logistics costs vary based on oil/bunker fuel prices ~25% Fixed + variable manufacturing and G&A costs Costs include people, utilities (oxygen, CO 2, power, etc.), and other operating costs methanex the power of agility

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