REFINERY AND SHARED FACILITIES NATURE OF PRODUCTS As Thailand’s leading refiner and distributor of petroleum products, GC owns and operates a modern complex refinery equipped with hydrocracker and visbreaker units, capable of converting low-value fuel oil to more valuable middle-distillate products. Our average refining capacity stands at 145,000 barrels per day of crude and 135,000 barrels per day of condensate. Additionally, our refining process is flexible, ready to be adjusted to accommodate customer demand and volatility in the market. Below is a summary of our refined products and their usage: 36 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021