Analysis Quarterly Ending March 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2019 dated May 11

31, 2019 To: Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 3/2019 of General Engineering Public Company Limited (“the Company” ) held on May 14, 2019 has

: EIC-AD020/2019 15 May 2019 Subject: Management Discussion and Analysis for the Performance for Three-Month Period ended 31 March 2019 To: President The Stock Exchange of Thailand The Board of Directors

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 To: President The Stock Exchange of Thailand The Board of Directors

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 (Added Information) To: President The Stock Exchange of Thailand The

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

(Translation) Ref: EIC-AD043/2019 13 November 2019 Subject: Management Discussion and Analysis for the Performance for Nine-Month Period ended 30 September2019 To: President The Stock Exchange of Thailand The

ADMS 30/07 1/2 RC 18/20 8 May 2020 Subject : Report on the Company’s operating results for the first quarter of the year 2020 Attention : President of the Stock Exchange of Thailand The Board of

and Analysis Quarterly Ending June 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2020

August 2020 Subject: Management Discussion and Analysis for the Performance for the six-month period ended 30 June 2020 To: President The Stock Exchange of Thailand The Board of Directors of Wow Factor