Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP”) (“The Company”) would like to submit the reviewed financial statements for year 2017 ended December 31, 2017. Such financial

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The 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

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

President The Stock Exchange of Thailand Reference is made to the resolutions of the Board of Director Meeting No. 6/2017 of Carabao Group Public Company Limited (the "Company") held on 11 August 2017 as

Discussion and Analysis for 2nd quarter ended as of June 30, 2018 To: The President The Stock Exchange of Thailand AI Energy Public Company Limited (“the Company”) would like to submit the company and its

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

(Translation) November 14, 2018 Ref: SET-2018-017 Re: Management Discussion and Analysis for Quarter 3’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited

1 No. CC20190805ELE August 13, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.3/2019 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp