IRPC One Report EN

Production Capacity and Volume Products (1) Production Capacity Volume (2) Utilization Rate 2019 2020 2021 2019 2020 2021 2019 2020 2021 Petroleum Oil Refinery (KBD) 215 215 215 197 192 192 92% 89% 89% Lube Base Plant 1,282 1,282 1,282 1,055 1,094 1,151 82% 85% 90% Lube Base Oil 320 320 320 324 336 333 101% 105% 104% Asphalt 600 600 600 553 606 655 92% 101% 109% Petrochemicals Polyolefins 915 915 915 838 811 863 92% 89% 94% - HDPE 140 140 140 124 117 119 89% 83% 85% - PP 775 775 775 700 683 729 90% 88% 94% Polystyrenics 433 433 433 361 395 408 83% 91% 94% - ABS 119 119 119 67 86 89 57% 72% 75% - SAN 105 105 105 89 93 102 85% 88% 97% - PS 125 125 125 149 155 148 119% 124% 118% - EPS 48 48 48 33 35 42 68% 73% 88% Olefins (3) 696 696 696 685 682 664 98% 98% 95% - Ethylene 433 433 433 364 354 347 84% 82% 80% - Propylene 732 732 732 666 662 701 91% 90% 96% - Butadiene 56 56 56 53 56 52 96% 100% 93% Aromatics 501 501 501 507 493 514 101% 98% 103% - Benzene 114 114 114 112 105 113 98% 92% 99% - Toluene 132 132 132 147 144 141 111% 109% 107% - Mixed Xylene 121 121 121 146 141 146 120% 116% 120% Styrene Monomer 260 260 260 244 283 263 94% 109% 101% Notes: (1) Total production capacity and volume of products consist of major products and other products. (2) Volume includes products used as raw materials in the plants. (3) Olefins production capacity at 696 KTA does not include olefins from DDC and RDCC plants. (Unit: KTA) 74 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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