IRPC Annual Report 2023

Wastewater Treatment IRPC uses Membrane Bioreactor Plus Activated Carbon Adsorption (MBR Plus AC) system to treat wastewater. This bioprocess is highly efficient and operationally stable. The treated water consistently passes inspection for effluent standards required by law, inspiring trust of surrounding communities and confidence in environmental sustainability. Port and Storage Tank Services IRPC Port IRPC provides port services to domestic and international clients for vessels to berth at its terminals for loading and unloading, with port services available to outside clients serving different regions as follows: IRPC Deep Sea Port, Eastern Region, in Mueang Rayong District, Rayong Province, consisting of: Bulk & Container Terminal (BCT): The terminal, 900 meters long and 44 meters wide, comprises six berths, which accommodate vessels of various sizes, ranging from 800 to 150,000 DWT, with a maximum draft of 13.5 meters. Liquid & Chemical Terminal (LCT): The terminal is equipped with advanced facilities to handle liquids and gases efficiently and safely. The terminal is approximately 1,623 meters long, consisting of six berths that accommodate vessels from 1,000 to 250,000 DWT. Storage Tank Services IRPC provides storage tanks for liquid petroleum and petrochemical products. The company’s teams of experienced specialists operate 298 tanks with a combined storage capacity of up to 2.9 million tons (excluding one storage tank that has been sold), using an efficient management system that meets international safety standards. These tanks accommodate IRPC’s petroleum-based products and serve external clients as well. Tank services are available in different regions: at Rayong Oil Depot, Phra Pradaeng Oil Depot, Ayutthaya Oil Depot, and Chumphon Oil Depot. Each depot has berths to accommodate sea freights, which make transportation and distribution efficient as well as help clients save costs and time. Property Management Business IRPC manages vast expanses of high-potential land in Rayong and other provinces, totaling 9,862 rai (excluding joint venture areas between IRPC Public Company Limited and WHA Industrial Development Public Company Limited (WHAID) in the WHA Industrial Estate Rayong (WHAIER), Ban Khai District, Rayong Province, totaling 2,152 rai). The company has developed these plots of land into industrial estates and industrial land with potential for future development and expansion of manufacturing industries in connection with the government’s Eastern Economic Corridor (EEC) development project, along with projects under other investment promotion policies. IRPC’s property management business consists of two units: Industrial Estate Project: IRPC Industrial Zone, Mueang Rayong District, Rayong Province The IRPC Industrial Zone offers a complete range of infrastructure and utility systems. The Industrial Zone serves as a hub of industrial ecosystems and supply chain connecting petroleum refinery and its upstream petroleum materials or products to the integrated petrochemical complexes and its downstream and direct downstream industries. This encapsulates the very essence of new petroleum-petrochemical business model, and paves the way for further expansion to accommodate promoted industries under the Eastern Economic Corridor (EEC), such as bio product industry, integrated health, life & science industry, and advanced material industry. Other High Potential Landbank IRPC owns a huge landbank with high potential in Chana District, Songkhla Province, with an area of approximately 2,300 rai, that can be developed into an industrial support base and commercial development project alongside a deep sea port project and a renewable energy power project. The company also owns other sizeable plots in other areas in Rayong Province. The company has recently signed a Memorandum of Understanding (MOU) with the Bangpakok-Piyavate Hospital Group to study the feasibility of developing a hospital & wellness center in alignment with the area development plan and to accommodate the demographic shift toward an aging society. The aim is to improve the quality of life and promote health of people in Rayong and neighboring provinces. 66 Structure and Business Operations of IRPC IRPC Public Company Limited

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