Teck's Financial and Operations Outlook

Teck Commitment to Sustainability Leadership • . • Key Sustainability Achievements Industry-leading sustainability assurance, with all Teck-operated base metal operations awarded the Copper Mark or Zinc Mark Highland Valley, Quebrada Blanca and Carmen de Andacollo all awarded Copper Mark verification Red Dog and Trail Operations awarded Zinc Mark verification Constituent of the S&P Dow Jones Sustainability Index for the 14th consecutive year Awarded one of the Global 100 Most Sustainable Corporations by Corporate Knights for the 6th year Modernized governance with the introduction of the sunset clause for the dual class share structure External Commitments ICMM International Council on Mining & Metals & GLOBAL C THE GLOBA COMPACT Towards Sustainable Mining THE Vers le développement minier durable THE CP ZINC RESPONSIBLY PRODUCED LC MARK ZINC COPPER RESPONSIBLY MARK PRODUCED COPPER Key Goals and Recent Progress Climate Change Net zero Scope 1 & 2 emissions by 2050 Contracting 100% of energy requirements at QB Operations from renewable sources Carbon Capture Pilot Plant operational at Trail Operations Biodiversity and Closure Nature positive by 2030 One of the first miners to commit to Nature Positive by 2030 Conserving or rehabilitating at least three hectares for every one hectare affected by our mining activities - almost 52,000 hectares conserved since 2022 Communities & Indigenous Peoples Committed to working to achieve free, prior and informed consent Increasing local employment and procurement opportunities to provide direct economic benefits Providing business development, capacity-building, and education and training for Indigenous Peoples 14

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