Management Name : Mr RATTHAPHOL CHEUNSOMCHIT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 24/05/2018

Management Name : Mr RATTHAPHOL CHEUNSOMCHIT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 04/06/2018

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

Department, extended the SEC congratulations to the Revenue Department on its 109th Anniversary. Mr. Somsak Anuntawat, Principal Advisor on Strategic Tax Administration (Energy Industry), gave a warm welcome

Ref. 0347/2018 Date August 14, 2018 Subject 20% Performance Growth in the second quarter of 2018 Attention: Directors and Managers The Stocks Exchange of Thailand QTC Energy Public Company Limited

Baht 94.62 million due to beginning of solar energy revenue recognition since January 2017 at the generating capacity of 16.47 MW. Selling and administration expenses Selling expenses decreased by Baht 2

power transmission within Data Center and (2) IGEN Energy Company Limited (“IGEN- ENERGY”) (previously “Siam Bio Generation 1 Company Limited”) as its business of Alternative energy supply Investment