1 - TRANSLATION - KT/PB (Q-Con) 001/2020 February 13, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2019 Quality Construction

15 May 2017 Subject: Management Discussion & Analysis for Quarter 1 ending 31 March 2017 To: The President The Stock Exchange of Thailand Harn Engineering Solutions Public Company (“The Company

AC0815/2017 August 15, 2017 Subject: Management Discussion and Analysis for Q2/2017 To: Managing Director The Stock Exchange of Thailand The company would like to report the operation results for the

10 November 2017 Subject: Management Discussion & Analysis for 3th quarter ending 30 September 2017 (Rev1) To: The President The Stock Exchange of Thailand Harn Engineering Solutions Public Company

จดหมายชี้แจงปี60e February 22, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2017 Summary of operating result between 2017

Baht 42.92 million:- 1. Total revenue was Baht 30.33 million, an increase by Baht 49.55 million or 258% mainly from:  Return on financial instruments increased by Baht 55.64 million mainly from gain on

Microsoft Word - el285e Date : August 14, 2018 Subject : Management Discussion and Analysis for the Quarter 2/2018 To : Managing Director The Stock Exchange of Thailand Kuang Pei San Food Products

1 - TRANSLATION - KT/PB (Q-Con) 004/2019 February 4,2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2018 Quality Construction

profit from investment in associates 43.2 43.1 0.1 0.2% Net Profit 213.4 225.2 -11.9 -5.3% Million Baht Increase (Decrease) The operating result of the Company for Q3 2019/2020 (1 October 2019 to 31

Microsoft Word - 2020.05.13 MD&A trans at Q1.2020.docx (Translation) 13rd May 2020 Subject: Management Discussion and Analysis (MD&A) for the 1st quarter of year 2020 To: Managing Director of the