-1 1 Ref. LPN/SorKor/098/2564 6th May 2021 Re: Financial Statements Analysis Report Q1/2021 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to submit the

Statistics Office of Vietnam 3 Exchange rate is subject to BOT’s average selling rates as of 9 Jan 2020 (THB 0.1315 = VND 100) MANAGEMENT DISCUSSION & ANALYSIS 1Q 2020/21 ENDED JUNE 2020 11 AUG 2020 MASTER AD

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond

February 26, 2018 To: The President The Stock Exchange of Thailand Re: 2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2017 operating

suppliers and contractors for the same. The ordering of the gear was under process with a lead time of 14 months offered from the supplier. However, with quick actioning of the contingency plan by the

gain from foreign exchange of THB 92 million from THB appreciation, but realized a few loss from Yen depreciation. The company also received income tax refund from 2007 as revenue of THB 226 million

Exchange Forward Contract in the amount of THB 255 million from the continuous appreciation of THB. Thus, EBITDA recorded was THB 781 million (+28% YoY, -1% QoQ). Refinery Business Marketing Business sales

Microsoft Word - MDA_Q2 2017-in Eng Rev1 HPIR015/2017 Aug 10, 2017 Subject : Management Discussion and Analysis for the period ended June 30,2017 To : The President The Stock Exchange of Thailand