Microsoft Word - MD&A_Q1_2019_ENG 1 NPPG.036/2019 13 May 2019 Subject Management Discussion and Analysis for the quarter 1 year 2019 Attention The President The Stock Exchange of Thailand

Ref: FASET 03/2562 August 23, 2019 Subject: Report the operating result for the second quarter and for the six–month period ended June 30, 2019 To: President of the Stock Exchange of Thailand Seamico

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

of the Stock Exchange of Thailand Seamico Securities Public Company Limited and its subsidiaries (“The Company”) would like to report operating result that has been audited by our auditor for the

ที่ กบร No. Kor Bor Ror. 015/2018 September 19, 2018 President The Stock Exchange of Thailand Re : Transaction to sell ordinary shares to connected party Dear Sir, Thai Wacoal Public Company Limited

: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited and its subsidiaries (“The Company”) would like to report operating result that has been reviewed by our auditor for the

Assets (revised) To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8/2019 Held on November 14, 2019 at 14.00

Assets N Hospital Company Limited with additional 16.67 percent To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company

15 May 2020 Subject : Management Discussion and Analysis for the First quarter of 2020 (Ending 31 March 2020) To : Managing Director The Stock Exchange of Thailand Getabec Public Company Limited

T.K.S. TECHNOLOGIES 11 August 2020 Re: Management Discussion and Analysis for Quarter 2/2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited (“TKS”) and its