GC One Report 2023 [EN]

Details of Significant Intangible Assets PTT Global Chemical Public Company Limited Rights to Use Pipe Racks GC has been granted the right to charge right-of-use fees from users making a request to lay pipes on its pipe racks at the rate specified in the pipe rack agreement. The amount of the right-of-use fee charged to each user will depend on the value of GC’s investment and the location where the user is laying pipes. Electricity Generation Licenses (1) GC (Branch 2) was granted a license to operate an electricity generation business with a capacity of over 150 megawatts from the Energy Regulatory Commission. Installed capacity of 357.230 megawatts (capacity expansion of 35.300 megawatts on June 2, 2021) The license is valid for 15 years from December 3, 2009 to December 2, 2024. (2) GC (Branch 2) was granted a license to operate an electricity sale business from the Energy Regulatory Details of Significant Rights of Use Other Land Leasehold Rights Land Lease Agreements with PTT 1. A land lease agreement for the construction of a jetty and a seaside tank farm for liquid chemicals in Map Ta Phut Sub-district, Rayong, with a term of 22 years and 4 days from December 28, 2014 to December 31, 2037, consisting of: The rental rate of a 8-2-70.90 rai land parcel to which PTT has gained the right through expropriation by the Treasury Department. The rental rate of a 67-2-52.90 rai land parcel owned by PTT. 2. A land lease agreement for a parcel of land of 5 rai, 3 ngan, and 56.73 square wah, with a term of 17 years from January 1, 2021 to December 31, 2037. 3. A land lease agreement for a portion of land in PTT Gas Separation Plant for a power station with a total area of 2 ngan and 50 square wah, with a term of 3 years from 1 January 2022 to 31 December 2024. 4. An agreement for use of assets for the installation of underground wiring in PTT Gas Separation Plant with a total area of 2 ngan and 74.5 square wah with a term of 3 years from 1 January 2022 to 31 December 2024. Lease Agreement and Service Agreement with Energy Complex Company Limited 555/1 Energy Complex Building A A lease agreement for a 14,227 sq.m. office space in Lobby A, on Floors 14-18 in Building A, storage and pantry for a term of 3 years from October 1, 2021, to September 30, 2024, consisting of: (1) 302 sq.m. office space in Lobby A; (2) 13,675 sq.m. office space on Floors 14-18; (3) 135 sq.m. storage space on Floors 14, 16-17; (4) 65 sq.m. storage space on M Floor in Building F; and (5) 50 sq.m. pantry As of November 1, 2022, the rental of the 715 sq.m. office space on Floor 15 and the 10 sq.m. pantry on Floor 15 was discontinued. Lease Agreement with the State Railway of Thailand An area in the Map Ta Phut train station with a total area of 15,900 square meters with a term of 3 years from 16 June 2022 to 15 June 2025. Intangible Assets The intangible assets of GC and its subsidiaries as at December 31, 2023 consist of: (Unit: Million Baht) Commission. The license is valid for 15 years from October 19, 2011, to December 2, 2024. (3) GC (Branch 2) was granted a license to operate an electricity distribution system business from the Energy Regulatory Commission. The license is valid for 15 years from October 19, 2011 to December 2, 2024. (4) GC (Branch 6) was granted a license to operate an electricity generation business with an installed capacity of over 10 megawatts but not exceeding 150 megawat ts f rom the Energy Regulatory Commission. Installed capacity of 98.752 megawatts. The first license was valid for 10 years from February 14, 2011 to February 13, 2021. The license was renewed (first renewal) for another five years from February 14, 2021 to February 13, 2026. The renewal was approved on January 27, 2021. Four specific conditions to operate an electricity business were stipulated (specified in the license). Intangible Asset Net book value after accumulated amortization and allowance for impairment Useful Life Production license fees 4,811 10-35 years Computer software 3,439 3-20 years Customer contracts and the related customer relationships 16,091 5-25 years Right to use others 33,904 10-23 years Intangible assets under development 779 Total 59,024 403 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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