Microsoft Word - Eng-SET Q4-17 audited Ref: FASET 01/2561 February 26, 2018 Subject: Report the operating result for the year ended December 31, 2017 To: President of the Stock Exchange of Thailand

จดหมายชี้แจงปี60e February 22, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2017 Summary of operating result between 2017

ACC1/20-012 February 25, 2020 Subject: Management Discussion and Analysis for the year ended December 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Ref. No. 161/2560 13 November 2017 SUBJECT : Management Discussion and Analysis for quarter 3 ending 30 September 2017 ATTN : The President Stock Exchange of Thailand Nam Seng Insurance Plc. realized

AC 52/07-003 ACC1/20-043 August 13, 2020 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2020 To: The President The Stock Exchange of Thailand Qualitech Public Company Limited

the Stock Exchange of Thailand Attachment: Copy of financial statements dated on 30th June 2017 Thai-English each. Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd

Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: Letter of FVC Ref. No. SET-2560-025 “Transaction to Acquire Franchise Wuttisak 25 Branches from Total 113

” 25 Branches from Total 119 Branches in order to Operate Medical Service Business for Healthcare and Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: 1

exchange effect. In addition, HPC generated electricity less than in the same period of the previous year. Management Discussion and Analysis For the Three-month and Six-month Periods Ended 30 June, 2019

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited