other income. Net profit margin was at 4.2% . Revenues The structure of revenues for the year ended 31 December 2019 and 2018 are as follows; Unit: THB million Y2019 Y2018 % Change 1. Revenue from sales

shareholder structure on August 15, 2016. The company became a subsidiary. The Company holds 75.35% proportion of investment after the change of shareholding. So the company's share of loss in proportion of

proportion of shareholding. Structure of shareholders : 1. N.C. Property Management Co., Ltd. (NCPM), shall hold 60% of the new company’s total shares - Amounting to the investment amount of 15 million baht as

mortgage and encumbrances i.e. building structure, machinery, materials equipment and non-used equipment, etc. of Tak Smelting Plant as follows; 1. Date of Transaction : Within August 2019 2. Related parties

Company’s subsidiary). 2.3 Finance costs The Company’s finance costs in 2Q2018 were Baht 44 million, an increase of 31% from 2Q2017, mainly from an increase in interest paid on bonds and structure notes

3.73% of registered capital 6. Shareholders’ structure  Before capital increase 1. O.C.C. Plc. 6.43% 2. I.C.C. International Plc. 30.00% 3. Saha Pathana Inter-Holding Plc.* 0.00% 4. IDF Co., Ltd.* 0.00

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

resolution had approved an issue of additional shares, for the Company to keep the current shareholder structure, additional investment required, by the Company purchasing additional 10,002,000 shares in SKC

in domestic and international Registered Capital : 1,000,000 Baht (Megawatt will increase capital to 2,500 million baht in the future) Board’s Structure : 1. Mr. Thammarat Saengchan 2. General Chaiwat