Management Name : Miss YUPAPIN WANGVIWAT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 19/06/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 09/03/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 16/03/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 04/04/2018

Energy System Engineering and Service Co., Ltd. Energy System Engineering and Service Company Limited (ESES) rendered assistance and support for Mr. Bhusana Premanode performed duties dishonestly and

Energy System Engineering and Service Co., Ltd. Energy System Engineering and Service Co., Ltd. (ESES) by Mr. Nanthawat Bhudithaiyarasak as a director of ESES, rendered assistance and support for Mr

. 68 million to Baht 1,580.25 million, which is increased by 11.94% due to additional revenue of engineering service in 2017 and revenue from solar energy began to recognize in 2017. Statement of

service of electricity engineering. • Property, plant and equipment has increased Baht 30.22 million, as a result of assets for solar energy. • Restricted cash decreased by Baht 6 5 . 2 4 million because

reasons: 1. In 2018, Management focused on renewing the contracts with appropriate profit margin. 2. The revenue of engineering service increased. 3. Solar energy began to recognize revenue for the whole

decrease was derived from engineering service, solar energy, and Trading business. • Overall gross profit margin decreased from 13.3% to 9.1% amount Baht (24.09) million. 2019 2018 Revenue 383.44 443.08