recorded from the change in the Company’s ownership interest from 28.49% to 20.56% as a consequence of newly issued ordinary shares of Pimai Salt Company Limited. * Note Please find further information in

and its subsidiaries had the operation results for the year ended December 31, 2017 with the following details: unit: THB million 2017 2016 Change (THB mill.) Change (%) Revenue from Sales and Service

margin in 2017 was 30%, which is considered high compared to other competitors, although it is lower than the previous year. The decrease was due to the impact of a change in foreign currency exchange

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

activities attributable to the parent 305.6 326.6 21.0 6.9% Change Q1-2021 Q1-2022 Change Percent Percent Net profit margin attributable to the parent 27.4 19.9 (7.5) Net profit margin from ordinary activities

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

Power Plant 3.2 3.0 2.8 (6.7%) (12.5%) 6.2 5.8 (6.5%) Gross Profit by Segment 421.6 350.0 398.2 13.8% (5.6%) 887.7 748.2 (15.7%) Gross Profit Margin Quarter 2 Quarter 1 Quarter 2 Change 6-month 6-month

ended 30 June 2018 (2nd quarter of 2018) as follows: Unit :Million Baht Q2/17 Q1/18 Q2/18 Change +/(-) QoQ % YoY % Net Revenue 201.20 206.12 251.20 45.08 21.87 50.00 24.85 Cost of Goods Sold 183.37 180.77

Three Month period ended 30 June 2018 (2nd quarter of 2018) as follows: Unit :Million Baht Q2/17 Q1/18 Q2/18 Change +/(-) QoQ % YoY % Net Revenue 201.20 206.12 251.20 45.08 21.87 50.00 24.85 Cost of Goods

its subsidiary for the first quarter ended 31 March 2019 which the details are as follows: Unit: million Baht For 3-month period (Jan-Mar) 2019 2018 Change % Increase (Decrease) Revenue from sale of