วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC001/2019 February 28, 2019 Subject : The company’s operating result of the year 2018 To : The president, The Stock Exchange of Thailand

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

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC003/2019 August 14, 2019 Subject : The company’s operating result for the 2nd quarter of year 2019 To : The president, The Stock

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC004/2019 November 13, 2019 Subject : The company’s operating result for the 3rd quarter of year 2019 To : The president, The Stock

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

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

from rental and rendering of services from new rental spaces and improved occupancy rates, and decreased selling and distribution expenses from improved cost management • Operating revenue increased by

significantly by 13.4% YoY to THB 1,783mn, predominantly due to higher operating revenue from the hotel business in Europe and from acquired assets under the Entire Business Transfer of Unicorn Enterprises

& Hoeglund Public Company Limited (“the Company”), the management would like to explain the situation that effect to the operating result of the Group companies for the first half of year 2018 as follows; 1

ที่ บช NO. AC. 02/2020 14 May 2020 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development Plc