gain from sales of fixed asset and gain from foreign exchange rate. Please be informed accordingly. Sincerely yours, -Signed- (Mr. Jittiporn Jantarach) Managing Director

Microsoft Word - el276e Date : February 26, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 To : Managing Director The Stock Exchange of Thailand Kuang Pei San

) Deputy Managing Director Authorized to sign on behalf of the company Investor Relations Department Tel: 0-2531-6633, 0-2993-5080-7 ext. 403

. Please be informed accordingly. Sincerely yours, ( Mr.Uchai Vilailerstpoca ) Managing Director

same period of prior year did not occurred throughout the year. Please be clarified to announce for investors and other interested persons accordingly. Yours Sincerely, (Mr.Yuttana Taepangthong) Managing

. Surachet Kamolmongkolsuk) Managing Director

. Sincerely Yours, (Mr.Wichian Silapacharanan) Deputy Managing Director Authorized to sign on behalf of the company Investor Relations Department Tel: 0-2531-6633, 0-2993-5080-7 ext. 403,401

Microsoft Word - el290e Date : February 28, 2019 Subject : Management Discussion and Analysis for the year ended December 31, 2018 To : Managing Director The Stock Exchange of Thailand Kuang Pei San

company’s investment in subsidiary’s association of 1.22 million Baht Best regards, Sawai Chatchairungruang Managing Director

. Chamnan Chanapai) Managing Director