Type of securities : Common share | Effective Date : 08/06/2021 | Close Selling Date : 11/06/2021

profit margin was slightly brought down by 0.9% of gross profit margin due to turnaround costs and the rise of main raw material prices from tight supply plus greater crude oil prices. 2. In Q2 2018

the rise of average steel-coil price, which the average steel-coil price is in the upward trend since 2016. Gross Profit The company gross profit over the Q2/2017 was equal to THB 37.1 mn which

. would like to inform the financial results for the first quarter of 2019. The Company and its subsidiary reported a net profit of THB 127.61 million or earnings per share of THB 0.13, comparing to a net

Development Plc. would like to inform the financial results for the first quarter of 2018. The Company and its subsidiary reported a net profit of THB 44.48 million or earnings per share of THB 0. 04, comparing

Development Plc. would like to inform the financial results for the second quarter of 2018 which ended on 30 June 2018. The Company and its subsidiary reported a net profit of THB 126.43 million or earnings per

Plc. would like to inform the financial results for the year ended 2017 . The Company and its subsidiary reported a net profit of THB 233.25 million or earnings per share of THB 0.24, comparing to a net

declined yoy whereas revenue per head remained on the rise. The increase of revenue per head was Operation : Consolidated Profit & Loss Statement 3Q 3Q % 9 mth 9 mth % Unit : THB million 2019 2018 change

) -277.78% Other income 0.68 0.81 19.12% Earnings before interest and taxes 16.90 49.87 195.09% Finance costs (0.26) (0.60) 130.77% Profit before income tax expense 16.64 49.27 196.09% Income tax expense

MTHB, increased by 885 MTHB comparing to 2016 or 29.1% due to higher sales volumes plus Ethylene and Glycerin price increase. The rise of Ethylene price was caused by turnaround of North East Asia