net profit was at Bt6,032mn, decreased -5.4% YoY and -4.3% QoQ pressured by lower EBITDA in 3Q22 partially offset by less unrealized foreign exchange loss and lower finance cost. Financial position

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

67% EBITDA 58 83 43% 172 306 78% Net Profit (Loss) for the Company 13 36 177% 4 118 2,850% Gross Profit Margin (%) 59.6% 62.9% 3.3% 57.3% 63.1% 5.8% EBITDA Margin1 (%) 30.1% 30.9% 0.8% 27.4% 32.1% 4.7

Summary Significant Events Operating Highlights in Q1/2023 Q1/22 Q1/23 Change +/(-) (THB million) %YoY Operating Revenue 198 264 33% Gross Profit 120 168 40% EBITDA 58 80 38% Net Profit (Loss) for the

35% EBITDA 83 96 16% 142 177 25% Net Profit (Loss) for the Company 34 43 26% 49 77 57% Gross Profit Margin (%) 63.9% 64.2% 0.3% 62.4% 64.1% 1.7% EBITDA Margin1 (%) 35.5% 31.8% (3.7%) 32.6% 31.1% (1.5

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