, 2018 To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the 6-month period ended June 30

Connected Transaction (the extend period for granted financial assistance) To: The President The Stock Exchange of Thailand G J Steel Public Company Limited (“the Company”) would like to report information on

ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public

Attention: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company Limited (“the Company”) Board of Meeting No.2/2018 on 10 May 2018, the resolution to certify the Company’s financial

/5 - Translation - Ref. J62/003 25 February 2019 Subject: Management Discussion and Analysis for Yearly Ending 2018 To: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company

and Analysis for 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9 month period ended 30 Sep. 2018

Rental and mpany incu baht more th Income for nt Discussion a nagement D sident Stock Exch Asset Publ ust 2017, th e second q ditor can be erformance wer than the d at 3.20 pe t profit of 2. ults the com

- 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 3 GEL.CS.003/2562 28 February 2019 Subject: Management Discussion and Financial Analysis for the operating results as at December 31, 2018 To: Director and Manager The Stock Exchange of