, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขที่ 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (Translation) No. 024/0461 April 4, 2018

(Translation) No. IR/2561/010 27 February 2018 Subject: Acquisition of assets To: President The Stock Exchange of Thailand Enclosures: Information Memorandum of Singha Estate Public Company Limited

. Attention: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP”) (“The Company”) would like to submit the reviewed financial statements for the first six-month of the year

1 No. EXE. 031-10-17 6 October 2017 Re: Report on Investment of the Subsidiary To: President The Stock Exchange of Thailand Reference is made to the resolution of the Board of Directors of Venture

th FLOOR) RAMA IV ROAD, THUNGMAHAMEK, SATHORN, BANGKOK 10120, THAILAND Bangkok 10120 TEL. 02-679-7357 (6 LINES) FAX. 02-285-6642 Bangkok 10120 Re NYL. 045/2018 7 November 2018 Subject: Notification on

Energy Public Company Limited (“TSE”) of 181.75 million shares, which represents 10.01% of issued and paid- up shares of TSE at the total value of 925.11 Million Baht or 5.09 Baht per share to Miss

Shareholders in Proportion to their Respective Shareholdings and Convening of the Extraordinary General Meeting of Shareholders No. 1/2018 (Second Amendment) To: President The Stock Exchange of Thailand

สารสนเทศข่าว มติ BOD 5-60 20171204En No. NDR013/2017 Subject Resolution of the Board of Directors’ Meeting To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the

Code of Thailand as follows:  The dividend of Baht 0.85 per share, paid from profit with 23% Corporate Income Tax, can be credited at 23/77;  The dividend of Baht 0.25 per share, paid from profit with

the final offering price of THB 6.00 per share or a total of THB 2,040mn. Transit in Thailand  The Company continued to successfully sell and implement offline-to-online (“O2O”) solutions through