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

Assets N Hospital Company Limited with additional 16.67 percent To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the Third quarter of 2019 at the end of 30th September 2019 as

12 million from the exchange difference when translating financial statements. Liabilities As of 30 June 2018, the total liabilities were THB 4,020 million, a decrease of 1.9%, or THB 77 million, from

transferred total 743.1 million baht. PAGE 7 IV Finance Costs Comprising interests from bank loans, interests from debentures, interests from bills of exchange, and financial leasing agreements, in the period

Exchange of Thailand (mai) on 22 January 2019. Directly attributable expenses of the IPO total of 25.89 Million Baht were deducted with share premium received from the shareholders. o Dividend payment of