IRPC Annual Report 2023

Products Sales Volume (Million Barrel) Sales Value (Million Baht) 2023 2022 2023 2022 Refinery 61.81 50.46 216,330 219,105 Lube Base Oil 7.22 6.27 25,125 24,848 Total 69.03 56.73 241,455 243,953 1.1.3 Petroleum Sales In 2023, crude intake was 70.11 million barrels or 192,000 barrels per day. Refinery utilization rate was 89%. In 2023, crude intake was 70.11 million barrels or 192,000 barrels per day (192 KBD). Refinery utilization rate was 89% rising by 8% from that last year. This was because the company arranged a major turnaround dur ing October-November 2022 taking 37 days in average. The refinery can perform efficiently after the major turnaround was completed. The utilization rate of RDCC plant in 2023 was 109% improving by 17% from that last year of 92%. The utilization rate of Lube Base Oil plant in 2023 was 87% increasing by 10% from that in 2022. In 2023, net sales of petroleum businesses were Baht 241,455 million being down by Baht 2,498 million or by 1%, mainly owing to a 23% decline in average selling prices following the crude oil price trend versus a 22% increase in sales volume, from 56.73 million barrels to 69.03 million barrels. Most of the increase was contributed from Diesel, Naphtha and Gasoline. The proportion of domestic and export of petroleum products in 2023 was 65% and 35%, respectively and most of the exported products were shipped to Singapore, Cambodia and Laos. In 2023, net sales of petroleum businesses was down by 1% from that last year owing to a 23% decline in average selling prices following the crude oil price trend versus a 22% increase in sales volume. 173 Management Discussion and Analysis (MD&A) 56-1 ONE REPORT 2023

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