Managing Director of Accounting and Finance, and the disposition of land of the Company’s subsidiary (Amendment) To President The Stock Exchange of Thailand K.C. Property Public Company Limited (the “Company

for Year 2017 Ending 31 December 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2018 dated 24

Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 1st quarter of the year ending on 31st March 2020. The Company had revenue from sales at 158

ที่ กบร No. Lor Gor. 023/2020 November 16, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2020 Dear Sir

statement, Approval of the disposition of shares in subsidiary and Appointment of new director replacing resigned director Edited To: The President, The Stocks Exchange of Thailand The Board of Directors

Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

Quarterly Ending June 30, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2018 dated August 3, 2018

the Quarter ended March 31, 2018 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company Limited would like explanation about the Company’s financial performance and operation

ABICO 009/KV/2017 May 11, 2017 Subject : Explanation on operation result for the Quarter ended March 31, 2017 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited