and Mr. Phisudhi in providing securities trading accounts of individuals above mentioned, and also involving in financial transaction concerning the trade of EARTH share and EARTH-W4. 19/08/2021

* Note Please find further information in the consolidated financial statements. 1 9th May, 2018 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2018 Attention: The President

* Note Please find further information in the consolidated financial statements. 1 9th May, 2019 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2019 Attention: The President

faithfully, (Mr. Hiroaki Sano) Managing Director Financial Ratios Q2 2019 Q2 2018 Gross profit margin 20.7% 18.8% Net profit margin 14.3% 12.0% Debt to Equity ratio 0.10 0.10 Earnings per share 0.57 0.43 ROA

Equity Yours faithfully, Mr. Hiroaki Sano Managing Director Financial Ratios Q2 2018 Q2 2017 Gross profit margin 19.2% 20.1% Net profit margin 12.0% 8.4% Debt to Equity ratio 0.11 0.14 Earnings per share

* Note Please find further information in the consolidated financial statements. 1 13th November, 2018 Subject: Management Discussion & Analysis (MD&A) for the 3rd quarter of 2018 Attention: The

the review of consolidated interim financial statements of the Group and the interim financial statement of the Company for the period ending September 30,2018. The results shows net profit of Baht

* Note Please find further information in the consolidated financial statements. 1 12th November, 2019 Subject: Management Discussion & Analysis (MD&A) for the 3rd quarter of 2019 Attention: The

* Note Please find further information in the consolidated financial statements. 1 May 13th, 2020 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2020 Attention: The President

tour to the SEC. On this occasion, the visiting group participated in a lecture on the topics “Career Paths for Lawyers at the SEC,” and “Financial and Investment Knowledge for New Generations.” The