Bangkok, August 8, 2008 ? The SEC Board in its meeting No.8/2008 held on July 31 resolved to appoint three persons to the Stock Exchange of Thailand (SET) Board of Governors, as follows: - Mr

Governors for a second term. The new governors will take office for a two-year term from October 28, 2017 to October 27, 2019.

Bangkok, August 4, 2011 ? In the meeting no. 8/2011 on August 4, the SEC Board resolved to appoint two governors of the Stock Exchange of Thailand (SET) to replace those whose term has ended.  The

Bangkok, June 8, 2012 ? In the meeting no.6/2012 on June 7, 2012, the SEC Board resolved to appoint three governors of the Stock Exchange of Thailand (SET) to replace those whose term ended. The SEC

Bangkok, September 5, 2013 ? In the meeting no.8/2013 on September 5, 2013, the SEC Board resolved to appoint two governors of the Stock Exchange of Thailand (SET), namely Satit Limpongpan and

Attn : The Directors and The MAI Manager Ref: Dimet AC 1902/001 February 12, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.2’s performance

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

Attn : The Directors and The MAI Manager Ref: Dimet ACC 1711/001 November 9, 2017 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q1’s performance Dear

Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s

Attn : The Directors and The MAI Manager Ref: Dimet AC 1905/001 May 13, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.3’s performance (January