(Translation) November 14, 2018 Ref: SET-2018-017 Re: Management Discussion and Analysis for Quarter 3’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited

1 Ref: AC.008/2020 25 February 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

Pacific Pipe Public Company Limited would like to clarify the operating results of the year ended December 31, 2017 that has net Profit of Baht 292.42 million, decreased from the same period of previous

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

Discussion and Analysis on operating results for Q2/2019 ended June 30, 2019. To: President The Stock Exchange of Thailand The results of operations of Castle Peak Holdings Public Co., Ltd. (CPH) and its

May 12, 2018 Subject : Management Discussion and Analysis for quarter ended March 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues (Thousands Baht

November 13,2019 Dear Director and The Manager of SET Re: Operating Performance’s Summary of Q3/2019 During the third quarter of 2019, total sales amount of the Company was 27 6.71 million baht. It

Palmer & Turner (Thailand) Ltd MJD.IR.012/2562 13 November 2019 Subject : Clarification of the operating result for the year 2019 ended September 30, 2019 To : Director and Manager The Stock Exchange

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

of 99.77%. The Company would like to clarify significant changes in the Group’s operating results as follows: 1. Revenues from sales and services for the six-month period of 2020 total of Baht 32.68