December 3, 2018 Re: Assistance financial to the related companies. To: Director and Manager of Stock Exchange of Thailand According to the Board of meeting of D.T.C. Industries Plc. No. 6/2018 on

: Case 1: misappropriating money through loan transactions for VBBWith the assistance of the persons under (5) ? (7), the persons under (1) ? (3) conspired to misappropriate TRITN money in concealment

/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

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

Page 1 of 4 No. RJH – SET 8/2019 13 May 2019 Subject : Management’s Discussion and Analysis for the First Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

: 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

with previous quarter which has net loss Baht 1,056 million due to net gain on exchange rate. Net loss on exchange rate Baht 485 million of previous quarter turn to net gain on exchange rate in this

million and some portion from the trade creditors agreed to reduce the accrued interests payable during the negotiation period before the completed debt-to-equity conversion scheme. - Gain on exchange rate

Thailand’s (BOT) target range of 1-4 percent. At the same time, core inflation was 0.45 percent. The Baht appreciated with an average exchange rate of 30.70 THB/USD compared with 31.58 THB/USD in the previous