the period therefore has influenced the Company’s overall sales revenues that are quoted by US dollar as compared to previous year. 2. Cost of sales For the first quarter ended 31 March 2018, the

products for the Export such as Equipment for Testing, Office Material, Furniture and Fixtures, Computer etc. 4. Total value of consideration - 400,000 US Dollar, or 13,088,000 Baht (referring to the

Baht against USD. The USD zinc price increased to 2,962USD/ton in Q3 2017 from 2,253USD/ton in Q3 2016. Thai Baht appreciated against the US dollar by 4% from 35.01 THB/USD in Q3 2016 to 33.55 THB/USD in

of 19% in sales volumes. The USD zinc price significantly increased by 36% to 2,598USD/ton in Q2 2017 from 1,915USD/ton in Q2 2016. However the Thai Baht against the US dollar appreciated with 3% from

H1 2018 significantly increased by 21% to 3,268 USD/ton from 2,690 USD/ton in H1 2017. Thai Baht appreciated against the US dollar by 9% from 34.88 THB/USD in H1 2017 to 31.90 THB/USD in H1 2018.  The

% 715 526 -26.43% - United States dollar 524 550 637 21.56% 15.82% 1,146 1,187 3.58% - Thailand baht 2,033 2,534 3,197 57.26% 26.16% 4,773 5,731 20.07% Total sales volume (Ton) 2,890 3,335 4,109 42.18

increase in staff costs, the reclassification of 3Q18 2Q19 3Q19 %YoY %QoQ 9M18 9M19 %YoY - Euro 420 333 255 -39.29% -23.42% 1,440 970 -32.64% - United States dollar 1,357 524 698 -48.56% 33.21% 3,317 1,844

the total revenue for the three-month period ended 31 March 2020 increased 8.70% from the same period of previous year. From the fact that the Thai Baht value depreciated against US Dollar since the

0.27% of Sales. Due to Thai baht against dollar when compered from last year. Please be informed accordingly. Sincerely yours, (Mr. Sombat Leeswadtrakul) Chief Executive Officer

compared with Q2 / 2022. The reason why the net profit margin of the company increased was that the company had increased sales. and profit from the exchange rate against the US dollar. Please be informed