improvement at Baht 1 million from cancellation of leasehold office building in the beginning of the year.  Finance cost In Q3/2019, finance cost was no change from the prior year same period.  Profit for the

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

. After this situation, Vibharam will change status from Associated to Subsidiary Company of Ramkhamhaeng. Detail of the transactions are as follow. 1. Transaction date With in January, 2020. 2. Parties

greatly contracted by trade impacts and the higher For three months For nine months Consolidated financial statement ended 31st December ended 31st December Oct - Dec 2019 Oct - Dec 2018 Change % Change Apr

month period ended 31 March 2020 and 2019 are as follows; Unit: THB million Q1-2020 Q1-2019 % Change 1. Revenue from sales and contract work 4.7 3.2 44.2% 1.1 Turnkey Total Solutions 4.7 3.2 44.2% 2

Apparent Finished Steel (Unit : Tons) Quarter 1/2019 Quarter 1/2020 % Change Production 1,998,519 2,017,445 0.95% Import 2,856,359 2,680,405 -6.16% Export 401,798 301,219 -25.03% Consumption 4,453,080

alternative for consumers. Consolidated Q1/ 2020 Q1/ 2019 Change Financial Statements (Million Baht) (%) (Million Baht) (%) (%) Revenue from Sales 1,110.0 100.0 % 1,280.3 100.0 % (13.3 %) Cost of Sales (808.1

while in 2019 is at 8.2% of revenue from sales, increased from the same period last year by Baht 10.1 million or 31.8%. The change due to loss from exchange rate, devaluation in short-term investments and

March 2020 31 March 2019 Change For the 3 months period ended Page 2 Revenue from Sale of real estate Revenue from sale of real estate for the 3-months period ended 31 March 2020 and 2019 were THB 233.51