February 28, 2019 Subject: Managing Discussion and Analysis for Year2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

SBN 007/2019 May 14, 2019 Subject : Operating Result for the first quarter of 2019 To : The Managing Director, The Stock Exchange of Thailand Sabina Public Co.,Ltd. Would like to clarify the

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC002/2019 May 14, 2019 Subject : The company’s operating result for the 1st quarter of year 2019 To : The president, The Stock Exchange

May 15, 2019 Subject: Managing Discussion and Analysis for Q1/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

Exchange of Thailand. Demco Public Company Limited would like to inform you herewith the company result for the 2nd quarter of year 2019 according to the company’s consolidated financial statement ended June

วันที่ 25 กุมภาพันธ์ 2558 May 11, 2018 Subject: Management’s Discussion and Analysis for the 3 months period ended March 31, 2018 Attention: Director and Manager The Stock Exchange of Thailand LDC

24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

August 14, 2018 Subject: Managing Discussion and Analysis for Q2/2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

Exchange of Thailand. Demco Public Company Limited would like to inform you herewith the company result for the 3rd quarter of year 2019 according to the company’s consolidated financial statement ended

Assets (revised) To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8/2019 Held on November 14, 2019 at 14.00