Attn President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for the second quarter of the year

the average of the exchange rates between that financial reporting currency and the currency of the host country on the last day of each month during the period. B. Capitalization and Indebtedness 1

activity, thus dampening Thai economic growth during the second half of the year. Other challenges included volatile foreign exchange movement and international capital flows as well as the rapid evolution

Notification of the Office of Securities and Exchange Commission No. SorThor/Nor. 34/2547 Operational Control and Security of the Information Technology of Securities Company with the same level of standard. The

and Exchange Commission No. SorThor/Nor. 34/2547 Operational Control and Security of the Information Technology of Securities Company with the same level of standard. The Office has issued a Guideline

., and Schedule for the EGM of Shareholders No. 1/2019 To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of Assets and

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2