Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No OTO Mr. Boon-aue Chitthanorm Disposition Stock 12.2702

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No DIMET Mr. Ho-chih Huang Acquisition Stock 0 16.1866

Attn : The Directors and The MAI Manager Ref: Dimet AC 0817/1 August 30, 2017 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Year End result and clarification of

underlyings. The key areas of revision are: (1) more detailed disclosure of the criteria for DW price setting to give investors sufficient information for decision making, and (2) permission for foreign stocks

Mrs.Ananya Ruangsakvichit During the period of 12 January 2018 to 12 February 2018 and during 3 July 2018 to 9 August 2018, Mrs.Ananya Ruangsakvichit colluded with others to manipulate the stock

Mrs.Kingkarn Smitananda During the period of 12 January 2018 to 12 February 2018, Mrs.Kingkarn Smitananda colluded with others to manipulate the stock price of Star Universal Network Public Company

Mr.Dome Promayorn During the period of 12 January 2018 to 12 February 2018 and during 3 July 2018 to 9 August 2018, Mr.Dome Promayorn colluded with others to manipulate the stock price of Star

Mr. Susitak Achariyasombat During the period of 12 January 2018 to 12 February 2018, Mr. Susitak Achariyasombat colluded with others to manipulate the stock price of Star Universal Network Public

Mr.Thanakit Achariyasombat During the period of 12 January 2018 to 12 February 2018, Mr.Thanakit Achariyasombat colluded with others to manipulate the stock price of Star Universal Network Public

Mr.Praphol Milindachinla During the period of 12 January 2018 to 12 February 2018 and during 3 July 2018 to 9 August 2018, Mr.Praphol Milindachinla colluded with others to manipulate the stock price