PAGE 1 OF 3 GEL.CS.001/2564 1 March 2021 Subject: Management Discussion and Financial Analysis for the operating results of the year 2020 December 31, 2020 To: Director and Manager The Stock Exchange

27 April 2021 To: The President The Stock Exchange of Thailand Re: Q1-2021 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

27 April 2020 To: The President The Stock Exchange of Thailand Re: Q1-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

1 RP-AC 002/2020 May 13, 2020 Subject: Clarification of the operating results for the first quarter of 2020 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

results for the nine-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

. 2 MB with decrease of 4.5 MB or 13.8 percent, when compared to Q3/2018 (net profit in Q3/2019 of 32.7 MB) as following results:  Revenue The Company and its subsidiaries had total revenue of 223. 9

. Work Areas Personal Data Contact Information Sensitive Data Qualification data Financial Data Verification Data 1. Information from the approval for the offer for sale and report of the results of the

” assessment results in the part relating to auditing? Yes No Have you ever been inspected the audit quality by the audit oversight authority? Yes No If yes, please provide us the latest results of the

Subject: Clarification for the year Ended May 31, 2019 operating results that posted a difference greater than 20% To: Director and Manager the Stocks Exchange of Thailand World corporation public company

1 / 4 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS • Explanation and analysis of financial performance for the year ended 31 December 2019 • Explanation and