Mr. Sirimet Leepagorn, President and Chief Executive Officer of IRPC Public Company Limited (IRPC), attended a merit making ceremony held by PTT Public Company Limited (PTT) and its group companies at PTT Headquarters to commemorate the passing of Her Majesty Queen Sirikit, The Queen Mother. The ceremony was attended by Dr. Kongkrapan Intarajang, Chief Executive Officer and President of PTT, together with executives and employees from across PTT Group. As part of the ceremony, executives and employees participated in an alms-giving ceremony for 20 Buddhist monks and joined in making sandalwood flowers as an offering in remembrance of Her Majesty and in dedication of merit. The executives and employees of IRPC remain deeply grateful for Her Majesty’s immeasurable benevolence toward the Thai people. They are committed to upholding Her Majesty’s dedication to public service through responsible business practices that prioritize national energy security alongside social, community, and environmental stewardship, contributing to a better society and Thailand’s sustainable development.

PTT Group held a signing ceremony for a Memorandum of Understanding (MOU) to promote the collection and conversion of used cooking oil (UCO) into sustainable fuels and bio-based petrochemical products, in line with the principles of the circular economy. The ceremony was attended by Mr. Prasong Intaranongphai, Chief Operating Officer, Downstream Petroleum Business Group, PTT Public Company Limited (PTT), and Mr. Narongsak Jivakanun, Chief Executive Officer of PTT Global Chemical Public Company Limited (GC). Mr. Pranarch Kosayanont, Senior Executive Vice President, Corporate Strategy Planning and Business Development, IRPC Public Company Limited (IRPC), joined senior executives from PTT Group companies in signing the MOU. The participating companies included PTT, PTTEP, TOP, GC, GPSC, OR, and GGC. The collaboration is coordinated through the PRISM initiative, which facilitates synergies between the refining and petrochemical businesses and drives UCO collection across PTT Group. During 2027–2028, the initiative aims to expand collection networks by engaging various sources, including industrial facilities, government agencies, private sector organizations, commercial establishments, healthcare facilities, educational institutions, and local communities. The collected UCO will serve as feedstock for producing biofuels and bio-based petrochemical products to meet growing market demand. These products include Sustainable Aviation Fuel (SAF), biodiesel, and Used Cooking Oil Methyl Ester (UCOME), which is used in the production of marine fuels. By integrating the value chain from feedstock collection to processing and commercialization, PTT Group aims to turn used resources into valuable products and cleaner energy solutions. This collaborative effort is expected to help strengthen Thailand’s energy security, support economic stability, and contribute to a better quality of life and a more sustainable environment.

IRPC Public Company Limited (IRPC), in collaboration with the PTT Group, is supporting flood relief efforts through coordination with government agencies and the delivery of essential supplies to help alleviate the hardships faced by affected communities. On October 21, 2026, Ms. Torsang Chaipravat, Senior Executive Vice President, Corporate Accounting and Finance, IRPC, represented the company in handing over IRPC drinking water to support flood relief efforts through the Ministry of Energy. Mr. Wuthithat Tantiwessa, Deputy Director-General of the Department of Energy Business, received the donation at the Ministry of Energy. This initiative reflects IRPC’s commitment to conducting business responsibly while fulfilling its social responsibilities. Working alongside the PTT Group and government agencies, IRPC aims to help deliver assistance to people affected by flooding, reinforcing its role in supporting relief efforts and helping communities recover from crisis situations as quickly as possible.