Writer Ref. No. 088/2561 11 May 2018 SUBJECT : Management Discussion and Analysis ending 31 March 2018 ATTN : President of the Stock Exchange of Thailand The Company realized profit for the first

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 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 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

May 12, 2018 Subject: Clarification of Operating Results for The three -month period ended March 31, 2018 Attention: President The Stock Exchange of Thailand Further to our submission of the report

-Translation- M06/005/18 May 15, 2018. Subject Clarification of Q1/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Attn : The Directors and The MAI Manager Ref: Dimet AC 2006/001 June 16, 2020 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.3’s performance (January

three -month period ended June 30, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the six-month period ended June 30

Ref U. SET 017/2017 7 August 2017 Subject: Summary of Operating Performance and Financial Status for Quarter 2/2017 To: President The Stock Exchange of Thailand U City Public Company Limited and its

Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd quarter and 6-month periods of the year ending on 30th June 2019 had decreased more than 20