1 Ref: CK-18-0000-AFD(AC)-L-0022 May 15, 2018 Subject: Clarification on Operating Result and Financial Position for the three-month ended March 31, 2018 Attention: President The Stock Exchange of

: Management explanation and analysis for the 2nd Quarter ended 30 June 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“ the Company”) would like to

Management Discussion and Analysis, Q2/2018 Page1/4 Ref. IR61/12 10 August 2018 Subject: Management Discussion and Analysis, 2nd Quarter Ending 30 June 2018 To : President Stock Exchange of Thailand

November 13, 2018 Subject: MD&A for the financial statements of the 3rd quarter of fiscal year 2018 ended as of September 30, 2018 To: The President The Stock Exchange of Thailand Aapico Hitech Public

Page 1 of 4 No. RJH – SET 9/2020 10 August 2020 Subject : Management’s Discussion and Analysis for the Second Quarter of 2020 To : The President The Stock Exchange of Thailand Rajthanee Hospital

DCORP 023/2018 February 28, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. Attention: President Stock

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

: 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

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

pushing biodiesel B10 to be the mandatory diesel in 2020 that lead to sharply rise in crude palm oil ( CPO) and crude palm kernel oil (CPKO) prices at the end of 2019. Since early 2019, the stock of crude