Investor Presentation March 2024

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) 25% Americas 20% Europe 2024 Capital expenditures ~$130M ~$150M ~$110M CAPEX includes pre-spending for Run-rate 2025 turnarounds sustaining CAPEX 2025+ 2024E Production Remaining G3 CAPEX (cash basis) assuming $1.30B budget Gas cost structure ~35 mmbtu/MT Portfolio efficiency ~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 1 Turnaround impacting Q2 2024 ~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. Guidance will be updated in April 2024 for G3 timing. 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 March 2024 methanex the power of agility

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