) major shareholders equity (60) (143) +58% (210) (286) +27% % net profit (loss) (4.9%) (9.8%) (4.2%) (5.3%) Depreciation and amortization 45 50 -11% 230 185 +24% EBITDA (18) (124) +86% 21 (87) +124

the year period ended December 31, 2019 To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited ("the Company") would like to report the information according to the

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

1 Ref. No. IVL 007/08/2017 9 Aug 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

1 No. CC20190504ELE May 14, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.2/2019 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

, plus an effect from a wildfire incidents in the northern of Thailand (Source: Bank of Thailand) Due to the Covid-19 pandemic, Revenue Passenger Kilometer (RPK) started to drop in February and became

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10 May 2018 Re Explanation and analysis of the Management for the 1st quarter of 2018 ended 31 March 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 2/2561 of the

-9320 1 Ref: PCL 2020/004 February 24, 2020 Subject: Management Discussion and Analysis Yearly Ended 31 December 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

the previous yearly. To: The President The Stock Exchange of Thailand In the fourth quarter of the year, the Thai economy grew by only 2.4%, which is contracted according to domestic factors. Especially