10290, THAILAND TEL : (662) 815-7060 028163060-1 461-2100-1, FAX : (662) 461-2102 , 8160179 . REF: SET 62-02 February 27, 2019 Re: Clarification of the overall operation for the year 2018 To: the

% 4.61% -37.51% Net Profit Marging -35.82% -21.30% -14.51% -64.30% -14.65% -49.65% Gross Profit (Loss) 9 Months + (-) Total comprehensive income (loss) attributable to owners of the parent 3 Months

public auditor as follows: Overall performance results of the Company for the year ended 31 December 2020, compared to the same period of the previous year were highlighted as below; (Unit : Million Baht

the Company and its subsidiaries for of the year 2019, ended 31 December 2019 as follows: Statement of comprehensive income Statement of comprehensive income Consolidated financial statements (Thousand

) 61.24% (801.30) (564.93) (389.80) 60.64%Total comprehensive income (loss) attributable to owners of the parent Operating Profit (Loss) EBITDA Net Profit (Loss) Total Comprehensive income for ther period

comprehensive income (loss) attributable to owners of the parent Operating Profit (Loss) EBITDA Net Profit (Loss) Total Comprehensive income for ther period Gross Profit (Loss) + (-)Company's Performance For the

from higher selling price of Caustic Soda and Epichlorohydrin (ECH) due to limited export volume from China. While the overall sales volume also increased as a result of better PVC export market, more

compared with the same period of the previous as follows; 1. Overall operating results The Company had net profit 12 million Baht decreased 1 million Baht, as a result of Dividend income and Gains on sales

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

tons or 61% more. As a result, high utilization rate and efficiency improve in period caused lowering in overall production cost. Consequently, the gross profit margin increased from 26% to 37% in 2nd