Investor Presentation October 2023

2024 Modeling Information Financial profile (Methanex share) Sales mix ~$75M ~$395M Lease Principal Payments Depreciation + Amortization 35% China ~$140M ~25% Interest Expense Effective tax rate 20% Asia Pacific (ex. China) Capital expenditures ~$130M ~$150M ~$60-110M 2024 CAPEX includes Run-rate pre-spending for sustaining 2025 turnarounds CAPEX 2025+ 2024 remaining G3 CAPEX (cash basis) as of Q4 2023 Gas cost structure ~35 mmbtu/MT Portfolio efficiency 2024E Production 1 Turnaround impacting Q2 2024 25% Americas 20% Europe ~70% Near-term gas hedge position in North America ~$4.00/mmbtu² Avg. gas cost at $400/MT with Henry Hub forward curve of ~$3.50/mmbtu ~50% Gas costs linked to Average Realized Price (ARP)³ ~8.1 mmt equity production¹ 1. Assumes Chile production at 1.1-1.2 mmt, New Zealand at 1.0-1.1 mmt, Egypt operating at full rates Q2 to Q4, and G3 start up in February. All other plants assumed at full operating rates. 2. $50/MT change in average realized price (ARP) impacts portfolio gas cost/MT by ~$7. 3. Average realized price is calculated as revenue divided by the total sales volume. 26 Methanex | The Global Methanol Leader | Investor Presentation February 2024 methanex the power of agility

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