IRPC One Report EN

Property, plant, equipment (cost) Net value Obligation 1 Machinery and piping systems 152,185 None 2 Buildings and building improvements 41,458 None 3 Land and land improvements 11,795 None 4 Tools and factory equipment 3,509 None 5 Furniture, fixtures, and office equipment 1,243 None 6 Vehicles 671 None Total 210,861 Add Assets under construction and assets under installation 4,063 Less Accumulated depreciation (105,246) Allowance for impairment (611) Total property, plant, and equipment 109,067 Investment Property At the end of 2021, IRPC’s net investment property, consisting of property and buildings that were not major operating assets, after depreciation and allowance for impairment, totaled Baht 922 million. Intangible Assets At the end of 2021, IRPC’s net intangible assets totaled Baht 761 million, consisting of: 1) Net computer software fees of Baht 610 million with amortization periods of 5-10 years. 2) Net dredging expenses of Baht 151 million. This is a sea channel dredging to get the deep sea port ready for cargo ships. Amortization periods were spread over 10-20 years. Operating Assets Major Fixed Assets The major fixed assets used in IRPC and its subsidiaries’ operations consist of refineries, petrochemical plants, equipment, machinery, and land. As of the end of 2021, the net property, plant, and equipment was worth Baht 109,067 million, as detailed below: (Unit: Million Baht) 90 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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