-Translation- 25 February 2019 Subject : The establishment of Vanachai Logistics Company Limited To : President The Stock Exchange of Thailand According to the meeting of board committee of Vanachai

3344 Fax. 66 2 654 3323 No. PACE IR2018/010 Date: 28 February 2018 Subject: Explanation of the Operating Results for the year ended 31 December 2017 changing over 20% To: The President The Stock Exchange

3344 Fax. 66 2 654 3323 No. PACE IR2018/013 Date: 15 May 2018 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2018 changing over 20% To: The President The Stock

6 December 2007 No. PACE IR2018/013 Date: 15 May 2018 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2018 changing over 20% To: The President The Stock

CentralPlaza Rama 2, with a total transaction value of no more than THB 48,560 mn as announced on the Stock Exchange of Thailand on October 17, 2019. CPN currently manages 34 shopping malls with the net leasable

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

1 / 2 IR.017/2019 13 August 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

1 / 2 IR.017/2018 14 August 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

installation is completed in March 2020. The size of the transaction that is medium size, it is exceed 0.03% but not exceed 3% of NTA, pursuant the Notification of the Board of Governors of The Stock Exchange of