-1- AIT (VP-SEC) 028E/2022 November 10, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q3-2022 To: The President of the Stock Exchange of Thailand Summary of Operations

-1- AIT (VP-SEC) 014E/2023 May 8, 2023 Subject: Management's Discussion and Analysis of Operating Results for Q1-2023 To: The President of the Stock Exchange of Thailand Summary of Operations Q1-2023

ที่ กตพ Ref. DBP. 156 / 2018 November 12, 2018 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2018 To : President The Stock Exchange of

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

period for our operations due to the COVID-19 pandemic. We temporarily closed non-food stores in accordance with the government requirement, while our food businesses still operated with reduced operating

DIVIDEND PAYMENTS - On 12 September 2018, the Board of Directors Meeting has resolved to approve the interim dividend payment from the operating results of 1H 2018 of THB 0.018 per share (totaling THB 74mn

1,080mn newly issued shares through Private Placement to Plan B Media Public Company Limited (“PlanB”) at THB 1.4381 per share, totalling THB 1,553mn.  After the acquisition takes place, PlanB will become

capital increase/share allocation instead of the ‚operating cash flow‛ in explaining the reasons why the Company has to increase the capital. 2) Explaining the rationale and necessity of the funds 3

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

% YoY with a YoY drop in net earnings of 213%, reflecting non-operating items incurred in 3Q16 and 3Q17 performance. For comparative purpose, without non-operating items, such as gain (loss) on exchange