Sir, Please find below the additional information in supportive of our financial statements for the period ended March 31, 2018. - Total revenues sustained at 301.1 mil. baht, same as last year

Limited ( the “ Company” ) and subsidiaries hereby submit the Annual Financial Statements, the three months period ending 31 March 2020 and 2019, together with the clarification of the performance of the

reference. Notification of the Securities and Exchange Commission No. Kor Thor. 50/2548 Re: Preparation and Disclosure of Financial Statements of Derivatives Exchange and Derivatives Clearing House By virtue

* 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

* Note Please find further information in the consolidated financial statements. 1 8th August, 2019 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2019 Attention: The

* Note Please find further information in the consolidated financial statements. 1 7th August, 2018 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2018 Attention: The

* 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

* 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