Miss Karaveag Chokmaneenuch Miss Karaveag Chokmaneenuch, Deputy Managing Director of Accounting, Finance, and Administration Division of Professional Waste Technology (1999) Public Company Limited

Bangkok, September 25, 2014 - The SEC organized ?3rd SEC Working Papers Forum?, jointly with the Faculty of Business Administration and the Faculty of Management Sciences, Kasetsart University

Sales 9,643.6 10,351.4 9,933.1 Gross margin, (%) 20.3% 26.0% 30.0% Selling &Administration 1,612.8 1,804.3 1,817.6 Net Profit 934.5 2,014.9 -53.6% 2,544.5 -20.8% 7.7% 14.4% 17.9% The year 2019 continued

expenses. As a result, the selling expenses increased from the previous year. Management's Discussion and Analysis and operating results for the Year 2017 Page 5 / 10 3.5 Administration expenses The overall

selling expenses as increasable. 3.5 Administration expenses The Group's administrative expenses increased amount Baht 19.47 million or 23.95 per cent. Due to the administrative expenses of the new business

เข้าใจเกี่ยวกับ basic asset allocation ซึ่งจะมีผล https://publish.sec.or.th/nrs/6189p.doc Translation company, the company shall maintain either collateral or liquid asset or both with adequate value as

0.94% 576.65 8.97% (503.65) -87.34% Finance cost and tax income 1.61 0.02% (4.54) -0.07% 6.15 135.46% Net profit (22.13) -0.29% 423.62 6.59% (445.75) -105.22% Basic earnings per share (Baht per share

รู้ตลาดทุน ปรับปรุงแบบประเมินความเหมาะสมในการลงทุน (suitability test) ให้เป็นมาตรฐาน และใช้กับการลงทุนในผลิตภัณฑ์ทุกประเภทในตลาดทุน พร้อมมีคำแนะนำเบื้องต้นเกี่ยวกับการจัดสรรการลงทุน (basic asset

represents decreasing of 6 Million Baht (122%) from Q3/2017. The main cause for the lower net profit are occurred from increasing of selling and administration expenses, and loss on foreign exchange rates

155.70 million baht, an increase of 7.71 million baht or 5.2% from last year. The gross profit margin increased from 15.69% in 2018 to 17.54% in 2019. Sales and administration cost The company recorded