- Translation - Ref. J61/001 22 February 2018 Subject: Management Discussion and Analysis for Yearly Ending 2017 To: President The Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (the

: Management Discussion and Analysis for Yearly Ending 2017 (Edited) To: President The Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (the “Company”) Board of Meeting No.1/2018 on 22

Page 1 of 4 No. RJH – SET 3/2018 26 February 2018 Subject : Management’s Discussion and Analysis for the fourth Quarter of 2017 and year ended December 31, 2017 To : The President The Stock Exchange

. DOD017/2562 May 8, 2019 Re: Management’s Discussion and Analysis (MD&A) of the Consolidated Financial Results for Quarter 1 of 2019 To: The President The Stock Exchange of Thailand DOD Biotech Public

and Analysis Quarterly Ending June 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2019

: President The Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (“the Company”) Meeting Resolution No. 6/2019 on 6 August 2019, the resolution to certify the Company’s financial

Seven Utilities and Power Public Co.,Ltd. 73 Mahachol Building, Soi Sukhumvit 62, Sukhumvit Rd., Phrakhanong Tai, Phrakhanong BKK.10260 บมจ. เซเว่น ยูทลิิตีส์้ แอนด์ พาวเวอร์ 73 อาคารมหาชล ซอยสขุมุ

Stock Exchange of Thailand The Board of Director’s meeting No. 4/2018 of General Engineering Public Company Limited (“the Company”) held on 15 May 2018 has approved and verified the financial statements

- Translation – Ref. EIC-AD026/2018 August 10, 2018 Subject Management Discussion and Analysis for the Six-Month Period Performance Ending June 30, 2018 To President The Stock Exchange of Thailand The Board of

ที่ บช NO. AC.004/2018 13 November 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development