73 1 / 3 Pef. MD 105/2018 14th November 2018. Subj Management Discussion and Analysis (MD&A) Q3/2018 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public

: The President, The Stock Exchange of Thailand Enclosure: Information on the Connected Transaction: The Renewal of the Service Agreement with Harng Central Department Store Company Limited With reference

Exchange of Thailand. Demco Public Company Limited would like to inform you herewith the company result for the quarter 1/2020 according to the company’s consolidated financial statements for the year ended

No. ACC6311/010 12 November, 2020 Subject Clarify the Operating results for quarter 3/2020 ended 30 September, 2020 Attention Director and Manager The Stock Exchange of Thailand According to Advanced

Ref: ACC6401 / 001 March 01, 2021 Subject Clarification of Operating results for the year 2020, Ending December 31, 2020 Attention: Director and Manager The Stock Exchange of Thailand As Advanced

:(1) Every five percent report will apply only to  securities issued by company listed on the Stock Exchange of Thailand (SET);(2) Submission of a copy of report to the SET will no longer be required as

domestic and international partners. The SEC also aims to promote business practices that generate positive social and environmental impacts throughout the entire value chain, thereby contributing to

Exchange of Thailand (“SET”) pursuant to the relevant laws and regulations. This Transaction on the Investment in the Ordinary Shares of KPN Academy with total value of not less than Baht 460,182,417.60 is

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 089/1060 9 October

risks efficiently. “complex investment in derivatives” means complex strategic investment in derivatives or investment in exotic derivatives; “net exposure” means the net investment value which is derived