Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the year ended 31, 2019 which the details are as follows: 1. Performance Analysis 1.1 Performance for the year

valuable ESG information for use when analyzing and valuing securities. No global standard exists for integrating ESG information into investment analysis and valuation; the integration of ESG information

Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the 3 months period ended March 31, 2020 which the details are as follows: 1. Performance Analysis 1.1

Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the 3 months period ended March 31, 2019 which the details are as follows: 1. Performance Analysis 1.1

Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the year ended December 31, 2018 which the details are as followed: Summary of the Company’s Performance Unit

Thailand LDC Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the 3 months and 6 months period ended June 30, 2019 which the details are as follows: 1. Performance

Exchange of Thailand LDC Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the 3 months and 9 months period ended September 30, 2019 which the details are as

Thailand LDC Dental Public Company Limited (LDC) would like to clarify the performance of the Company for the 3 months and 6 months period ended June 30, 2020 which the details are as follows: 1. Performance

2. WP Assets Company Limited 3. WS Assets Company Limited 4. World Dental Hospital Company Limited 5. World Build Construction Company Limited The Company would like to disclose information memorandum

(Formerly North Eastern International Education Company Limited) 100 89 11 3 World Dental Hospital Company Limited 150 162 (12) 4 World Build Construction Company Limited 50 36 14 Total 380 317 63 2 . Western