IRPC Annual Report 2023

• Development project of 3D filament in collaboration with Chulalongkorn University The company cooperates with Chulalongkorn University to produce upcycled products from plastic waste within the university. The products are of the rPET type manufactured using 3D filament technology. • Joint projects with Amazon As for construction materials and decorative products, IRPC developed R-MAXX L-Cement made from plastic mixed with cement, which can be easily injection-molded instead of cast-molded. Such compound, strong, durable with cement-like textures, can be used for the manufacture of a wide range of decorative items, leading to cooperation between IRPC and PTTOR to produce such attractive lampshades and plant pots that blend in well with Cafe Amazon’s Green Concept decor. • IRPC, PTT, and Boonrawd jointly develop innovative materials for circularity in production lines, aiming to reduce resource consumption and enhance sustainability. IRPC Public Company Limited, PTT Public Company Limited, and Boonrawd Brewery Company Limited have signed a memorandum of understanding to advance innovation in utilizing leftover materials from production processes, creating returnable equipment products in line with the Circular Economy concept. This initiative utilizes resources efficiently and effectively, minimizing environmental impact. The project pioneers plastic recycling through prototype products such as water jugs and soda bottles made from rPET and rHDPE, as well as pallets made from rHDPE and molasses residue. • To collect used water filters made with block copolymer typeof PCR Polypropylene product group In cooperation with partner, Ban Krong Nam, for recycling as raw materials for the manufacture of green plastic products. In cooperation with Qualy, a brand of plastic products, under its creativity, happiness and sustainability concept. 128 Business-Driven Sustainability IRPC Public Company Limited

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