Investor Presentation Aug-21

2021 Refinery Maintenance Schedule Starting Refinery Unit Duration (weeks) Purpose Status Quarter Batman Crude Oil & Vacuum Q1 7* Seasonal Done Crude Unit Q1 9 Done CCR Q1 10 10 Done Revamp Opportunity FCC Q1 9 Done Maintenance İzmir Isomerization Q1 10 10 Done Desulphurizer Q1 11 Done Vacuum Q4 6 Periodic Maintenance Planned Lube Complex Q4 6 Periodic Maintenance Planned İzmit Desulphurizer FCC Q1 4 Periodic Maintenance Q1 30 Revamp Done Ongoing Kırıkkale (*) This activity started in Q4 2020. Duration figure indicates the portion carried out in 2021 Aug-21 Appendix Investor Presentation www.tupras.com.tr 38

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