the director of the company and member of the Audit Committee To Director and Manager The Stock Exchange of Thailand Reference is made to the resolutions of the Board of Director Meeting No. 3/2019 of

ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

: 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

the Stock Exchange of Thailand (SET) or any other organised and regulated exchange in Thailand, e.g. ETF) Representative 20) Name of proposed representative in Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Stock Exchange of Thailand Enclosure 1. Information Memorandum on acquisition of all shares in Nam San 3A Power Sole Co., Ltd. and Nam San 3B Power Sole Co., Ltd of BCPG Public Company Limited to invest

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond