February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating

transactions occurred during the 3rd Quarter 2017. GFPT Group has policy to mitigate risks from foreign exchange rate volatility, which occurred from export sale and raw material importation by hedging forward

ที่ กตพ Ref. DBP. 030 / 2019 February 20, 2019 Subject : Clarification on Operating Results of Year 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building

ที่ กตพ Ref. DBP. 107 / 2018 August 14, 2018 Subject : Clarification on Operating Results for the 3-month Period and 6-month Period ending June 30, 2018 To : President The Stock Exchange of Thailand

. 1/2018 (Amendment No.2) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public

beginning of this year, the Company had gain on exchange rate while the Thai Baht value appreciated against US Dollar and the Company had loss on exchange rate in last year As a result of above reason, the

-517-0109-14 Fax 66-2-5170529 February 27, 2017 Subject Management Discussion and Analysis for the year ended December 31, 2016 To Managing Director of Stock Exchange of Thailand Table of Financial Ratio

Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the Year 2017 with the

. 1/2018 To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public Company Limited to