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IRPC Public Company Limited (IRPC), led by Miss Narisa Tumma-upakorn, Executive Vice President, Corporate People and Organization Effectiveness, presented a financial contribution to the Marine and Coastal Resources Conservation Foundation of Thailand under the Royal Patronage of Her Royal Highness Princess Sirivannavari Nariratana Rajakanya. The donation was received by Admiral Suvin Jangyodsuk, Vice Chairman of the Princess Sirivannavari Thai Coral Reef and Marine Life Conservation Foundation, at Phalang Thai 1 Room, Building 1, PTT Headquarters. This initiative reflects IRPC’s strong commitment to environmental stewardship and sustainable development by supporting the conservation and restoration of Thailand’s marine ecosystem. The contribution will help promote awareness and encourage public participation in protecting the nation’s valuable marine resources through tangible activities such as coral planting, marine debris collection, educational exhibitions, and training programs. Through this collaboration, IRPC continues to uphold its dedication to creating shared value for society and the environment, in line with the royal aspiration of Her Royal Highness Princess Sirivannavari Nariratana Rajakanya to preserve Thailand’s marine resources for future generations.

IRPC Public Company Limited (IRPC) received the Green Industry Level 4 Award – Green Culture (GI4) for the year 2025, organized by the Ministry of Industry under the concept “Together We Grow Greener.” The award presentation was presided over by Mr. Nattapol Rangsitpol, Permanent Secretary of the Ministry of Industry, to recognize industrial factories that are committed to continuously improving their production processes and environmental management efficiency. The ceremony took place at the Royal Thai Army Club (Vibhavadi), Bangkok. IRPC was honored with a total of eight factory awards, as follows: Polypropylene Compound Plastic Plant (PPC) Compounding Plastic Plant (CCM) Ethylbenzene Styrene Monomer Plant (EBSM) Expandable Polystyrene Plant (EPS) Utility Plant – Industrial Water Production (UT-IP) Combined Heat and Power & Power Plant (CHP & PW) Lube Base Oil Plant (LBOP) Refinery Plant (REFY)

Award highlights IRPC’s leadership in equality, diversity, and sustainability. (September 22, 2025) IRPC Public Company Limited (IRPC), led by Terdkiat Prommool, President and Chief Executive Officer, has received the Gold Award for Outstanding Human Rights Model Organisation 2025 from the Department of Rights and Liberties Protection, Ministry of Justice. This marks the seventh consecutive year of recognition. IRPC is the first and only private organisation in Thailand to secure the Gold Award for two consecutive years. The award was presented by Pol. Col. Tawee Sodsong, Minister of Justice, at a ceremony held at the Asawin Grand Convention Hotel, Bangkok. This achievement reflects IRPC’s commitment to promoting equality, embracing diversity, and ensuring fair treatment of all stakeholders. It also underscores the dedication of the Board of Directors, executives, and employees in advancing sustainability through social responsibility, good governance, and transparency. At the same time, IRPC continues to enhance the quality of its products and services, foster trust, and strengthen partner networks to jointly build a sustainable low-carbon society.

(September 15, 2025) IRPC Public Co., Ltd. has been recognised with the “Climate Action Excellence Awards 2025” for its outstanding performance in greenhouse gas management. The honour was received on behalf of the company by Mr Pongsak Wattanakarunwong, Senior Vice President of Sustainable Strategic Plan, and presented by Mr Kittipong Limsuwanroj, Executive Director and Chairman of the Climate Change Pillar of the Federation of Thai Industries (FTI), during the Climate Change Forum 2025: Driving towards Net Zero, held at M Tower, Bangkok. Organised by the Climate Change Institute (CCI) under the FTI, the forum provided a platform for sharing knowledge on climate change and accelerating Thai industry’s journey towards the Net Zero goal. IRPC stated that the award highlights its success in climate change management through the integration of ESG principles across environmental, social, and governance dimensions, reaffirming its commitment to reaching Net Zero emissions by 2050.

(September 11, 2025) Mr. Terdkiat Prommool, President and Chief Executive Officer, IRPC Co.,Ltd. together with the management team and employees of IRPC Public Company Limited, welcomed shareholders participating in the “Shareholders’ Company Visit 2025” program. The event was held to promote shareholders’ rights, reinforce transparency in operations, and provide shareholders with the opportunity to closely learn about the company’s progress at the IRPC Innovation Center in Rayong Province. During the event, shareholders visited the IRPC Innovation Center, attended a business overview presentation, engaged in Q&A and discussions with the management team, as well as toured the IRPC Industrial Estate and PTT LNG Company Limited in Rayong Province.

On September 6, 2025, Miss Somruidee Charoenkrongsakul, Senior Vice President, Corporate Affairs and Company Secretary, IRPC Public Company Limited, led the CACG team to participate in the National Anti-Corruption Day event held at the Professor Sangvien Indaravijaya Auditorium, the Stock Exchange of Thailand. The event was organized by the Anti-Corruption Organization of Thailand (ACT) under the theme “No Corruption, No Progress. Is It True?” to foster awareness and a strong sense of integrity in combating corruption at all levels of society. The event gathered representatives from the business sector, government agencies, and civil society organizations. IRPC’s participation reflects the Company’s strong commitment to playing an active role in driving Thai society toward greater transparency and sustainability.

Mr. Apichit Wongpanit, Senior Executive Vice President, Corporate Organization Effectiveness and Digital, together with executives of IRPC Public Company Limited, welcomed Dr. Kongkrapan Intarajang, President & Chief Executive Officer of PTT Public Company Limited, who visited IRPC Digital’s booth at PTT Group Digital & AI Day 2025. The event was held under the theme “AXIS: You & AI Forward Together” to showcase visions and approaches in applying Artificial Intelligence (AI) and advancing digital transformation. It also aimed to foster collaboration and engagement across PTT Group companies in driving joint digital strategies. The event featured stage sessions, an innovation showcase, and exhibition booths from PTT Group companies and partner organizations. IRPC Digital presented three key innovations: i-Flare – An AI/ML-powered flare detection system with automated alert functions and regulatory-compliant reporting, enhancing environmental management efficiency. MIP Microscope Image Processing – An automated image analysis and processing program that delivers accurate and rapid results, reducing errors and improving efficiency in research, product development, and quality control. Hi-Chat Internal AI – An intelligent in-house digital assistant capable of retrieving, analyzing, and summarizing information with accuracy and security. Operating within a 100% closed system, it empowers employees to fully embrace digital transformation. IRPC’s participation demonstrates the…

(August 26–27, 2025) Mr. Lersak Thongruang, Senior Executive Vice President, Operation, IRPC Public Company Limited, welcomed Dr. Kongkrapan Intarajang, President & Chief Executive Officer of PTT Public Company Limited, who visited IRPC Digital’s exhibition booth at PTT Group Spirit Day 2025, held at PTT Headquarters. The event aimed to promote awareness of the SPIRIT and GRC values through tangible showcases of collaboration within PTT and across PTT Group companies, emphasizing collective efforts for the greater good. At the event, IRPC Digital showcased three key innovations: i-Flare – A flare detection system utilizing AI/ML technology with automatic alert functions via Line and Email. The system records and reports flare usage to the Ministry of Industry in full compliance with legal requirements. MIP Microscope Image Processing – An automated image processing and analysis program that measures dimensions and extracts quantitative data with precision. It significantly reduces errors and shortens processing time from hours to minutes, supporting applications in science, product development, and quality control. Hi-Chat Internal AI – An intelligent in-house assistant capable of reading, analyzing, and extracting key information from documents instantly. It provides accurate, natural language responses while operating within a 100% closed system to ensure data security and enhance organizational productivity.…

On August 20, 2025, Miss Somruidee Charoenkrongsakul, Senior Vice President, Corporate Affairs and Company Secretary, IRPC Public Company Limited, received a certificate of honor and the prestigious “Nakhara Phirak” insignia from Mr. Chadchart Sittipunt, Governor of Bangkok, at the award presentation ceremony honoring organizations and individuals who made significant contributions to the Bangkok Metropolitan Administration during the earthquake incident on March 28, 2025. The ceremony was held at the Rattanakosin Room, Bangkok City Hall. The “Nakhara Phirak” insignia is the highest distinction bestowed by the Bangkok Metropolitan Administration, granted to organizations and individuals with outstanding contributions to society. In this regard, IRPC, in collaboration with Sahachit Watana Plastic Industry Co., Ltd., donated 5,000 units of 30×40-inch infectious waste bags to support the operations of the Bangkok Metropolitan Administration.