Baht appreciating against the US Dollar affecting the value of the company’s inventory, resulted in this quarter’s Inventory Loss of THB 1,163 million, negatively affecting the refinery’s business

, pricing strategy in the form of higher-speed-at-same-price was used more aggressively while fibre products remained key attractions. Toward the end of the quarter, the industry standard monthly price plan

46% EBITDA 33 83 152% 90 142 58% Net Profit (Loss) for the Company (7) 34 586% 4 49 1,125% Gross Profit Margin (%) 56.2% 63.9% 7.7% 57.7% 62.4% 4.7% EBITDA Margin1 (%) 23.9% 35.3% 11.4% 28.2% 32.6% 4.4

426 76% EBITDA 24 81 238% 114 223 96% Net Profit (Loss) for the Company (13) 34 362% (9) 82 1,011% Gross Profit Margin (%) 52.2% 64.6% 12.5% 56.1% 63.2% 7.1% EBITDA Margin1 (%) 20.7% 32.8% 12.1% 26.2

37% EBITDA 81 111 36% 223 288 29% Net Profit (Loss) for the Company 34 54 59% 82 131 60% Gross Profit Margin (%) 64.6% 66.0% 1.3% 63.2% 64.8% 1.6% EBITDA Margin1 (%) 32.8% 32.6% (0.2%) 32.6% 31.6% (1.0

33% EBITDA 83 103 24% 306 391 28% Net Profit (Loss) for the Company 36 47 31% 118 178 51% Gross Profit Margin (%) 62.9% 65.0% 2.1% 63.1% 64.8% 1.7% EBITDA Margin1 (%) 30.7% 32.1% 1.3% 32.1% 31.8% (0.3

Significant Event Operating Highlights in Q1/2024 Q1/23 Q1/24 Change +/(-) (THB million) %YoY Operating Revenue 264 340 29% Gross Profit 168 226 35% EBITDA 80 113 41% Net Profit (Loss) for the Company 34 54 59

32% EBITDA 96 135 41% 177 248 40% Net Profit (Loss) for the Company 43 73 70% 77 127 65% Gross Profit Margin (%) 64.2% 66.5% 2.3% 64.1% 66.5% 2.4% EBITDA Margin1 (%) 31.8% 35.5% 3.7% 31.1% 34.3% 3.2

Profit 223 280 26% 583 756 30% EBITDA 111 148 33% 288 396 38% Net Profit (Loss) for the Company 54 83 54% 131 210 60% Gross Profit Margin (%) 66.0% 65.4% (0.6%) 64.8% 66.1% 1.3% EBITDA Margin1 (%) 32.6

, Reasonableness of the New Share Price, and Determination of the Market Price 1.1 Necessity and Details of the Transaction The effect of the global financial crisis in 2008 on the steel production industry, which