% 42% Residential 2,388 3,974 66% 501 682 2,387 250% 376% Hotel 1,074 2,576 140% 270 875 985 13% 265% Commercial 2,114 674 (68%) 1,673 171 206 20% (88%) Construction materials 173 126 (27%) 90 17 29 71

, decreased of Baht 23.43 Million. Resulted from, the purchase of products and construction materials and outsourcing subcontractors.   o Advance received from construction contracts and construction income

presented below: Q1-2021 Q1-2020 THB Mn THB Mn THB Mn % Fuel materials cost 536.5 516.9 19.6 3.8 Depreciation and amortisation cost 152.5 124.9 27.6 22.1 Staff cost and other benefits 36.7 37.2 (0.5) (1.3

sales and service for the period ended 31 March 2022 and 2021 are presented below: Q1-2021 Q1-2022 Cost of sales and service THB Mn THB Mn THB Mn % Fuel materials cost 536.5 808.1 271.6 50.6% Depreciation

31 March 2023 and 2022 are presented below: Q1-2022 Q1-2023 Cost of sales and service THB Mn THB Mn THB Mn % Fuel materials cost 808.1 905.5 97.4 12.1% Depreciation and amortisation cost 165.8 173.4

2023 are presented below: Cost of sales and service Quarter 1 Quarter 1 Change (Unit: THB Mn) 2023 2024 Amount % Fuel materials cost 905.5 716.5 (189.0) (20.9%) Depreciation and amortisation cost 173.4

the last three financial years. 3. A description of the seasonality of the issuer's main business. 4. A description of the sources and availability of raw materials, including a description of whether

industrial plants with the special feature. There are no flammable materials and no toxic materials in the insulation. It does not bring fire and does not produce toxic fumes at high temperatures. Able to use

, higher demand for virgin materials following the China import waste ban and superior supplier discipline has created a more balanced environment resulting in higher utilization rates and margins. Our

PET packaging, given its beneficial, functional, and environmental properties compared to other beverage packaging materials. Specialty Chemicals The specialty chemicals segment registered lower