Miss Keerarat Viphosupan help Mr. Yinganan to buy and sell SSPF securities by offer money transaction in buying and transfer the money which her receives from selling this securities for Mr. Yinganan

Miss Sarunya Khemtong Allow Mr. Yinganan to use her account for buy SSPF securities by using his money to purchase . After selling , she transfers money for Mr. Yinganan's profit 12/05/2017

Mr.Sukrit Choradol Between October 14, 2015 and November 16, 2015, Mr.Sukrit Choradol assisted and facilitated Mr.Suwat Choradol in selling DEMCO Public Company Limited (“DEMCO”)’s shares by

HECH is Miss.Kantima Rodsatru ) Relationship : The seller has no relationship with directors, executives, and major shareholders of the Company and its subsidiaries. This is not a connected person in

decreased from sales of screw flight that caused to less of its sales proportion from 35.45% to 24.44% in this quarter. Among all the products, screw flight is the product that has highest gross profit margin

% Net profit margin attributable to owners of the parent 13.2% 13.1% 0.1% 12.8% 12.3% 0.5% Key Change in Segment Grouping In 2019, the Company has changed reportable segments. The strategic divisions

of the furnace in Ayutthaya in Q2’18 post major maintenance. The Company’s gross profit decreased by THB 201.5 million YoY (or -9.7%) to THB 1,876.0 million in Q3’18. Overall gross profit margin for

Discussion & Analysis Q4/2021 Operating Highlights in Q4/2021 Q4/20 Q4/21 Change +/(-) 2020 2021 Change +/(-) (THB million) %YoY %YoY Operating Revenue 207 188 (9%) 768 620 (19%) Gross Profit 127 112 (12%) 468

-General The Office of the Securities and Exchange Commission (SEC Office) We, [Name of the juristic person or non-juristic group of persons in Thai and English], having an office at

) We, [Name of the juristic person or non-juristic group of persons in Thai and English], …………………………………………………………………………………………………………………………………….………………..……… having an office at