DCORP 023/2018 February 28, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. Attention: President Stock

Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP”) (“The Company”) would like to submit the reviewed financial statements for year 2017 ended December 31, 2017. Such financial

: President 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 2018 ended March

: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first half of the year 2018 ended June 30

Attention: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first 9 months of the year 2018

strengthened steadily against the US Dollar. Nonetheless, highly volatile global markets and US stock market corrections may affect capital movements and the Baht trend. Other downsides also include European

| Stock in SET100 | Offering Date - 04/10/2019 - 17/03/2020

Derivative Warrants | SCC19C2003B | DERIVATIVE CALL WARRANTS ON THE SIAM CEMENT PUBLIC COMPANY LIMITED ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN MARCH 2020 # B | Stock in

| Stock in SET50 | Offering Date - 11/10/2019 - 03/04/2020

Derivative Warrants | HMPR41C2003A | DERIVATIVE CALL WARRANTS ON HOME PRODUCT CENTER PUBLIC COMPANY LIMITED ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2020 # A | Stock in