the right to vote. However, shareholders who have conflict of interest i vote. The Company also needs to prepare the disclosure of information memorandum. In order to approve this connected transaction

issued a legal order to continue the process of execution. Progress Report of Business Plan for Q3 2018 The management has strongly set its goal to grow sustainably. We would like to present the progress

February 26, 2020 Subject : Management Discussion and Analysis for year and 4th quarter ended December 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

หนังสือแสดงการรับทราบความผิด 27 February 2020 Subject : Management Discussion and Analysis of the year ended 31 December 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

effect in 2017 that represented a reduction of about 2% on average and a fire incident on June 18 that caused a backlog of order valued more than USD 2 million by the quarter end. However, consignment

Translation CEN 022-2017 August 11, 2017 Subject Management Discussion and Analysis for business operation of quarter 2/2017 To The Manager and President The Stock Exchange of Thailand For 3 months

The effect from copper usage was about 3% on product sales price, due to less buy in the third quarter in order to burn the old stock. Table 3: Consignment In 3Q 2017, consignment sales were almost 100

1 Translation CEN 025-2017 November 13, 2017 Subject : Management Discussion and Analysis for business operation of quarter 3/2017 To The Manager and President The Stock Exchange of Thailand For 3

a subsidiary company, which registered as a juristic person in Thailand under the Civil and Commercial Code on August 29, 2017. The subsidiary operates in real estate development and asset management

Translation CEN 003-2018 February 23, 2018 Subject : Management Discussion and Analysis for business operation of year 2017 To : The Manager and President The Stock Exchange of Thailand Business