Page 1 No. CMC Sor Lor.012/2019 August 13, 2019 Re: Management Discussion & Analysis for the Period Ended 30 June 2019 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN

results different from the same period last year more than 20% To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of

Microsoft Word - Eng-SET Q1-19 reviewed Ref: FASET 02/2562 May 15, 2019 Subject: Report the operating result for the first quarter ended March 31, 2019 To: President of the Stock Exchange of Thailand

No. DIGI 028/2018 14 November 2018 Subject: Management Discussion and Analysis - Explanation of net profit (loss) for the three-month period ended September 30, 2018. To: The President of Stock

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company To: President, The Stock Exchange of Thailand T.K.S. Technologies Public Company

selling expense to increase, 1Q2020 net profit reported at THB 335M or still increased by 14% YoY because of other income representing THB 423m recognized as a gain from selling share of SHR’s subsidiary

lower than the market price at March 31, 2019. The company has recognized the future loss from the investment in trade securities. Nevertheless, if the stock price is higher than the market price at June

Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2019 of General Engineering Public Company Limited (“the Company”) held on November 14, 2019 has approved and verified the

Stock Company of Baht 68.93 million.  The Company recognized share of loss from associates of Baht 7.54 million, decreasing by Baht 10.74 million from last year. The share of gain from KT ZMICO

ที่ FPI Ref. FPI.006/2019 10 May 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 1/2019 To : Board of Directors and President of The Stock Exchange of Thailand