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

expenses on ownership transfer) and expenses on management to be 43.17% and 7.43% lower than those of the same quarter of the previous year respectively. Statement of financial position as of 30 September

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

from Radio business decreased 26%. 2. Cost and expenses for the nine-month period of 2017 was Baht 1,160.01 million increased by 90% compared to the same period of last year. The main reasons were

Microsoft Word - el295e Date : May 14, 2019 Subject : Management Discussion and Analysis for the Quarter 1/2019 To : Managing Director The Stock Exchange of Thailand Kuang Pei San Food Products

May 15, 2019 Subject : Management Discussion and Analysis for quarter ended March 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

1 - TRANSLATION - KT/PB (Q-Con) 020/2019 August 7, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2019

1 - TRANSLATION - VS/PC (Q-CON) 026/2018 August 06th , 2018. Attention Director and Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter

Microsoft Word - EKH_61-026_SET-MD&A_610809_Q2-61_EN   EKH/CS/2561/026 9th August 2018 Subject : Management Discussion and Analysis of Financial statement for the three-month period at the ended of