$REGISTRANT1 $REGISTRANT2 $REGISTRANT3

PTT Public Company Limited is a Thai state-owned oil and gas company. It is involved in the exploration, production, refining, and distribution of oil products, as well as petrochemicals and other related industries.

Pura Química offers a wide range of chemical products and supplies essential items for a variety of industries.

Purit creates value for future industries and resource circulation with its unique synthetic technology and electronic material recycling capabilities.

qcxl.com.cn

Qenos. Australia’s sole manufacturer and leading supplier of world class polyethylene and polymers. Located at; Altona, Victoria 3018, Australia.

Welcome to Quadra Group, an informed market leader of Chemicals and Ingredients distribution services in Canada.

Química Andina specializes in the production and distribution of chemical products for various industries.

Química Médica UCM specializes in the production and distribution of chemical and pharmaceutical products.

Radco Group is involved in the production and distribution of quality products in various sectors, focusing on innovation and sustainability.