DCON PRODUCTS PUBLIC Co.,Ltd. and Subsidiaries Company Management’s Discussion and Analysis (MD&A) For the Year 2018 1. Revenue,Gross Profit & Net Profit Unit :M.Bht Year 2018 Year 2017 Year 2016 1

1 / 2 IR.011/2019 14 May 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

1 / 2 No.IR.018/2020 14 May 2020 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

Power Plants Company Limited (a 100-percent subsidiary of IEC) through a contract with ESES for the construction of a building and the installation of electricity-generating machinery at the exaggerated

performed duties dishonestly, misappropriate the company's assets and seek wrongful gains, causing damage to International Engineering Public Company Limited (IEC) and arranged or allowed preparation of

construction and machinery in order to support the growth of the domestic and international markets of the company during the years 2 017 to 2025. The estimated investment amount 1,526,591,972.00 Baht (One

No. CAZ 002/2019 26 February 2019 Subject: Management Discussion and Analysis Year ended 31 December 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited

“Company”) would like to inform that according to the resolution of the Board of Directors meeting No.1/2019 held on 21 January 2019 approved the construction investment of new shopping center (the “Project

the expansion of investment for plant construction and machinery in order to support the growth of the domestic and international markets of the company during the years 2 017 to 2025. The estimated

No. CAZ 1/2019 21st January 2019 Subject: Management Discussion and Analysis Quarter 3rd ending 30 September 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company