-9320 1 Ref: PCL 2020/004 February 24, 2020 Subject: Management Discussion and Analysis Yearly Ended 31 December 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the yearly period at the end of 31st December 2019 as follows. Summary The Company

-9320 1 Ref: PLC 2017/016 November 9, 2017 Subject: Management Discussion and Analysis Quarter 3 Ended 30-September-2017 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

-9320 1 Ref: PCL 2018/002 February 14, 2018 Subject: Management Discussion and Analysis Yearly Ended 31 December 2017 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

-9320 1 Ref: PCL 2019/008 May 8, 2019 Subject: Management Discussion and Analysis Quarterly Ended 31 March 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the three-month period at the end of 31st March 2019 as follows. Summary

of the Stock Exchange of Thailand Attachment: Management Discussion and Analysis ended 30 September 2018 As the Golden Lime Public Company Limited (“the Company”) has submitted the Review report on the

T.K.S. TECHNOLOGIES 1 March 2021 Re: Management Discussion and Analysis for the period ended 31 December 2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited

2/ AGM Score Thai-CAC 3/ Thai CAC  3/ Certified Thailand Sustainability Investment 4/ Thailand Sustainability Investment n/a Ranking by Industry Business 4/ Business Investing in subsidiaries to

Thailand Sustainability Investment 4/ Thailand Sustainability Investment n/a Ranking by Industry Business 4/ Business The Company operates a business as a retailer of diamond jewelry. Top 10 Major