., 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 Connected Transaction for the Entire Business Transfer and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1

Disposal of Assets Transaction, and Acquisition of Assets Transaction To : Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Disposal of Komchadluek Business and

companies under the market capital of THB 30,000 - 100,000 million from SET Awards 2019, organised by the Stock Exchange of Thailand and Money and Banking Magazine. Furthermore, the company remains listed to

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

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

แปลงสภาพตอผูถือหุนเดิม แตสําหรับการเสนอขายหุนตอผูถือหุนเดิมนั้น บริษัทไมตองยื่นคําขออนุญาตและเปดเผยขอมูลกอนการเสนอขาย ตามมาตรา 33 4. เสนอขายหลักทรัพยแกกรรมการหรือพนักงาน (Employee Stock

Attn: 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 2020