Page 1 of 3 GEL.CS.003/2562 28 February 2019 Subject: Management Discussion and Financial Analysis for the operating results as at December 31, 2018 To: Director and Manager The Stock Exchange of

. DOD017/2562 May 8, 2019 Re: Management’s Discussion and Analysis (MD&A) of the Consolidated Financial Results for Quarter 1 of 2019 To: The President The Stock Exchange of Thailand DOD Biotech Public

Page 1 of 4 No. RJH – SET 8/2019 13 May 2019 Subject : Management’s Discussion and Analysis for the First Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

(Translation) NEP-AC 002/2562 15 May 2019 Subject: Management Discussion and Analysis for 1st Quarter ended 31 March 2019 To : The President The Stock Exchange of Thailand Operating Result NEP Realty

period of 2018 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in Profit and Loss as shown in the six-month period ending 30 June 2019 reviewed

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

Ref. PDI/BK-BS-064/2019 12th November 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2019 To: President The Stock Exchange of

recognized revenue in quarter 1 and quarter 2 of 2018. • Property, plant and equipment has increased Baht 17.65 million, as a result of assets for solar energy. • Restricted cash decreased by Baht (34.36

sales volumes. The sharp decline in the Finished Goods prices has also led to a decline in Raw material prices and the Company suffered devaluation loss on Finished Goods stock, Raw Material in stock and

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2019 To: President The Stock Exchange of Thailand K.C