result Million Baht 2018 2017 Sales 1,905.09 1,849.88 Cost of Sales 1,756.98 1,621.03 Gross Margin 148.11 228.85 Gain (loss) on exchange rates (26.43) 23.44 Other Incomes 30.28 27.42 Total Revenues

result Million Baht 2018 2017 Sales 2,020.38 1,915.39 Cost of Sales 1,935.80 1,723.37 Gross Margin 84.58 192.02 Gain (loss) on exchange rates 42.47 25.24 Other Incomes 9.30 15.30 Total Revenues 2,072.15

(Translation) NEP-AC 002/2561 9 August 2018 Subject : Management Discussion and Analysis for 2nd Quarter ended 30 June 2018 To : The President The Stock Exchange of Thailand Operating Result NEP

No.021/2018 August 15, 2018 Subject: Report the operating result for the 2nd Quarter ended June 30, 2018 and the explanation for the causes of change more than 20% in the Company’s performance

partially offset by higher sales volume of all main products as a result of stable operation. Analysis of Cost and Expenses 1. In Q3 2019, Cost of sales was 3,445 MTHB, decreased by 715 MTHB comparing to 2018

จดหมายชี้แจงq363e November 13, 2020 Managing Director Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2020 Summary onThird Quarter result

จดหมายชี้แจงq263e August 13, 2020 Managing Director Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2020 Summary on Second Quarter result

from the 12 non-connected parties. Accordingly, the company will increase the shareholding proportion in PMC from the existing proportion 19.10% to 40.00%. As a result, PMC will be an associate of the

amount 9.8 MB or 3.0 percent with the gross profit margin of 34.6 percent (35.0 percent in the year 2018). The decrease of gross profit was the result of the appreciation of the BAHT against the Foreign

preventive action in accordance with the government regulations. As a result, no employee infected. Since the end of March, the production and the sales were affected by the situation . However, since the