filing this report to the SEC 22 February 2021. 4. The highest price paid by the reporting person or person in the same group 1 for its acquisition of the securities during the past 90-day period (the

February 2021. 4. The highest price paid by the reporting person or person in the same group 1 for its acquisition of the securities during the past 90-day period (the first day being the date of action

August 2021 4. The highest price paid by the reporting person or person in the same group 1 for its acquisition of the securities during the past 90-day period (the first day being the date of action under

resin, which is the main raw material, was higher than last year, but sell price adjustment was possible only for some customers. This resin cost impacted both Thailand and China‘s business performance

reasons; 1. The total sales has decreased Baht 2,060.1 million, due to sales volume of MDF Board and Particleboard have decreased by 15% and 12% respectively. The average price of MDF Board and

business. Moreover, the continuous decrease in LME Zinc price in 2018 had a major impact on the sales and services income in 2018. Total expenses of year 2018 reached 5,056.20MB, a decrease of 6% from

and an adjustment of price. Cost of hospital operations The cost of hospital operations amounted to Baht 386.17 million and Baht 571.59 million in the year ended December 31, 2018 and the year ended

. Gross profit margin decreased from the increased of cost of services while the price was remain and from changing the law regarding to the provision of long-term employee benefits from the 300 days to 400

and listed securities. While in 2018 the Company recorded a significant amount of unrealized loss from mark-to-market price of investment in listed equity securities, coupled with the loss on sale of

sales has decreased of Baht 809.1 million, due to sales volume of Particleboard has decreased 21%. The average price of MDF Board and Particleboard have decreased 11% and 8% respectively. 2. Cost of sales