Our Ref: APURE 014/2020 14 May 2020 Subject Clarification on First Quarter’s Operating Performance (1/2020) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

Our Ref: APURE 008/2019 10 May 2019 Subject Clarification on First Quarter’s Operating Performance (1/2019) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

Our Ref: APURE 022/2021 13 August 2021 Subject Clarification on Second Quarter’s Operating Performance (2/2021) Attn. To President The Stock Exchange of Thailand The company clarifies causes and

Our Ref: APURE 019/2023 12 May 2023 Subject Clarification on First Quarter’s Operating Performance (1/2023) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

Our Ref: APURE 028/2024 12 November 2024 Subject Clarification on First Quarter’s Operating Performance (3/2024) Attn. To The Director and President of the Stock Exchange of Thailand The company

Our Ref: APURE 028/2024 12 November 2024 Subject Clarification on 3rd Quarter’s Operating Performance (3/2024) Attn. To The Director and President of the Stock Exchange of Thailand The company

หนา้ 1/1 NO. FA61-900 14 November 2018 Subject : Management Discussion and Analysis of operating performance for 3rd quarter, 2018 Attention : President of the Stock Exchange of Thailand JCK

No No. CC20180204ELE February 23, 2018 Re: Clarification of the changes in operation performance for the year ended 31 December 2017 Attn: The President The Stock Exchange of Thailand Cal-Comp

Page 1 of 2 May 15, 2019 Subject: Explanation of Financial Performance for the Quarter 1/2019 ended March 31, 2019 To: President, The Stock Exchange of Thailand According to the Financial Statements

Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the year ended December 31, 2017 which the details are as followed: Performance of the Company Unit : Million