decrease in all expenses. Operating results and financial position compared September 30, 2017 and September 30, 2018 THB : Million 2017 2018 % of Change increase (decrease) Sale 433.18 466.86 7.78% Cost of

( “ the Company” ) would like to submit our management’s discussion and analysis for the fiscal year ended December 31, 2019, as follows: For the year ended December 31 Change 2019 2018 MB MB % Sales

the following details. Financial performance Statement of income Consolidated financial statements for the 9-month ended 30 September 2017 30 September 2018 Change (Reviewed/Restated) (Reviewed

operating expenses in Q1–2024 changed in line with and similar to the increase or decrease in revenue compared to Q1–2023. That is to say, the change rate in revenue for Q1–2024 increased by 29.9% and the

. %Gross Profit Margin Business Overview 2019 Performance Unit : THB million Change Y2019 Y2018 (%) As Reported Total revenues 2,497 2,052 21.7% TKS 1,416 1,257 12.5% TBSP 1,081 795 35.9% T.K.S. Technologies

would like to clarify the change in operating results Quarter 3 Ending September 30, 2018 with details as follows: Unit : million baht Statement of financial position For three months until end of June 30

. Statement of Comprehensive Income Total Revenues (Million Baht) Quarterly Change 1/2019 1/2018 % Sales Domestic Sales 88.4 106.6 (17.1) Export Sales 295.8 295.2 0.2 Total Sales 384.2 401.8 (4.4) Foreign

For the three-month periods ended 30 September Change For the nine-month periods ended 30 September Change 2020 2019 Amount % 2020 2019 Amount % Revenue from sales 224.97 233.67 -8.70 -3.7% 706.95

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 145/2562 November 11, 2019 Subject: Clarification of the Operating Result for the significant change Attention

change comparing with the previous year. MTHB % MTHB % Domestic Sales 1. PVC Resins 5,375 26.9 5,418 28.1 2. Caustic Soda 3,920 19.7 4,017 20.8 3. VCM 1,492 7.5 1,667 8.6 4. ECH 905 4.5 649 3.4 5. Others