/2561 August 7, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q2/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

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

หัวข้อ (Translation) No. Tor.For 1/2019 January 24, 2019 Subject: Transactions with the connected persons in 2019 To: The President of the Stock Exchange of Thailand The Board of Director’s Meeting

Exchange of Thailand (SET) K.C. Property Public Company Limited (“the Company”) would like to inform the resolution of the Board of Director meeting No. 11/2019 held on 4 September 2019 at 2 p.m. (“the

NEP 045-2562 12 September 2019 Subject: Resolutions of the Board of Directors' Meeting regarding entering into transaction with connected person To: President The Stock Exchange of Thailand The

NEP 045-2562 12 September 2019 Subject: The Sale of the machines to connected person (Add Information) To: President The Stock Exchange of Thailand The resolution of the Board of Directors’ Meeting

-month period ended March 31, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2020 of WIIK Public Company

: Management explanation and analysis Quarter 3/2020 ending 30 September 2020 Attention: The President of, The Stock Exchange of Thailand Ziga Innovation Public Company Limited (“the Company”) manufactures and

Discussion and Analysis, Quarter 1 Ending 31 March 2020 (4) The Impact of the COVID-19 situation To: President of the Stock Exchange of Thailand Reference: (1) Document no. Tor. For. 4/2020 dated April 10

Stock Exchange of Thailand The Board of Director’s meeting No. 3/2020 of General Engineering Public Company Limited (“the Company”) held on May 15, 2020 has approved and verified the financial statements