AC 52/07-003 ACC1/18-048 November 12, 2018 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2018 To: Director and Managing Director The Stock Exchange of Thailand Qualitech

Attn : The Directors and The MAI Manager Ref: Dimet AC 1811/001 November 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

writer Ref. No. 158/2562 November 13, 2019 SUBJECT : Management Discussion and Analysis ending September 30, 2019 ATTN : The President Stock Exchange of Thailand The Company realized profit for the

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

(Translation) LEE 12/2019 11 November 2019 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2019 To : President of The Stock Exchange of Thailand We submit

ACC6505/003 May 13, 2022 Subject: Clarification of operating results for the first quarter of 2022 ended March 31, 2022 Dear Directors and Managers Stock Exchange of Thailand According to Advanced

Page 1 of 1 ACC6508/001 August 11, 2022 Subject: Clarification of operating results for the second quarter of 2022 ended June 30, 2022 Dear Directors and Managers Stock Exchange of Thailand According

Page 1 of 1 ACC6606/003 May 15, 2023 Subject: Clarification of operating results for the first quarter of 2023 ended March 31, 2023 Dear Directors and Managers Stock Exchange of Thailand According to

Our Ref: APURE 021/2024 13 August 2024 Subject Clarification on Second Quarter’s Operating Performance (2/2024) Attn. To The Director and President of the Stock Exchange of Thailand The company

Following the joint meeting on 2 March 2020 with the Department of Business Development under the Ministry of Commerce, the Ministry of Digital Economy and Society and the Stock Exchange of