Management Name : Mr VIVAT CHARANVAS | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 12/10/2015

Management Name : Mr VIVAT CHARANVAS | Type of securities : Common share | Methods of Acquisition / Disposition : Receive | Transaction Date : 07/08/2017

. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 73.42 64.69 8.73 13.50% Total Revenue 73.81 65.60 8.21 12.51

-15.07% 3. Manufacturing and Selling of Tooling and Metal Fabrication unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from External Customers 52.07 46.87 5.20 11.09% Total Revenue 52.37

barrels.  Fuel Oil and Dubai crack spread (FO/DB) in Q1/2019 averaged at 0.54 $/BBL, an increase of 5.50 $/BBL compared to Q1/2018, influenced by the production cut of OPEC and their associates, combined

) Revenue structure + (-)2018 3 | MANAGEMENT DISCUSSION AND ANALYSIS 2019 Revenue from steel tower manufacturing decreased by 37.21% as a result of rescheduling of production and delivery plan by major

consumption, production and export sectors in Thailand. There are various industries that have an impact on the production and supply chain from upstream to their downstream, such as electricity, electronics

of new customers even though the production cut of our current customers in some industries still exists. Compare to the revenue of Q2/2016, the revenue slightly improved. The company has invested in R

Company and subsidiaries established the cost efficiency projects to optimize the production cost, waste management and tighter control of purchasing raw material to in- line with reduction in sales and

Discussion and Analysis | 5 Note : (1) Reference Price of ICIS (2) Average price of Fatty Alcohols with production proportion: Short Chain 8% Mid Cut 62% and Long Chain 30% (3) Reference Price of Malaysian