November 13, 2017 The President & Director, The Stock Exchange of Thailand (SET) LETTER OF CLARIFICTION: CENTEL’s Q3/2017 & YTD 9 MONTHS /2017 OPERATING PERFORMANCE RESULTS This is to inform the SET

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

การหรือทบทวนเพื่อปรับปรุงการด าเนินงานท่ีมีอยูใ่นปัจจบุนั ผลติภณัฑ์:  Merchant Core – ทบทวนผลิตภณัฑ์ที่มีอยู่ทัง้หมดลด Stock Keeping Unit (SKU) ตดัผลิตภัณฑ์ที่ไม่ท าก าไรออก และพัฒนากลุ่ม ผลติ

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

Current Ratio (Time) 1.7 1.9 Quick Ratio (Time) 3.5 4.5 Collection Period (Day) 25.6 25.8 Stock Turnover Period (Day) 6.9 6.4 Payment Period (Day) 34.3 35.2 Profitability Ratio Gross Profit Margin (%) 11.4

China-Hong Kong Stock Connect หรือผ่านการจดัสรรวงเงินลงทุนภายใต้ โครงการ Renminbi Qualified Foreign Institutional Investor (RQFII) และ Qualified Foreign Institutional Investor (QFII) ไดไ้ม่เกินรอ้ยละ 20

DCORP 011/2019 February 27, 2019 Subject: Report on the overall operation of the year 2018 ended December 31, 2018 and the decrease in the overall operation more than 20 percent Attention: President Stock

-March 2019 2018 Liquidity Ratio Current Ratio (Time) 1.4 1.9 Quick Ratio (Time) 4.7 4.1 Collection Period (Day) 20.5 20.4 Stock Turnover Period (Day) 8.1 7.8 Payment Period (Day) 32.1 33.6 Profitability

Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first quarter of the year 2019 ended March 31

Ratio January-March 2019 2018 Liquidity Ratio Current Ratio (Time) 1.4 1.9 Quick Ratio (Time) 4.7 4.1 Collection Period (Day) 20.5 20.4 Stock Turnover Period (Day) 8.1 7.8 Payment Period (Day) 32.1 33.6