Announcement of 2006 Public Holidays HPIR -009/2020 February 28, 2020 Subject : Management Discussion and Analysis of the operating performance for the year of 2019 Attention : The President of the

Ref: SP 2020/008 Date : May 14, 2020 Subject : The Explanation to SET concerning the operating result for Q1/2020 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand

operating result audited by an external auditor for the first quarter of 2020 ending March 31, 2020, which presented net profit of Baht 11.84 million, a decrease of Baht 3.99 million or 24.78%, over the same

and Subsidiaries hereafter refer as (the “Company”) would like to clarify the Company’s operating results of the second quarter of 2020 ended June 30, 2020. The Company had the net profit of 0.23

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

(Translation) No. ACC6602/001 February 28, 2023 Subject: Clarification of operating results for the Year 2022 To: The President, The Stock Exchange of Thailand Advanced Connection Corporation Public

SEC is proposing to codify and revise notifications prescribing rules on the operating systems and service provision of securities companies and derivatives business operators to be more

draft regulation on such technology for customer communication and service regarding securities business and futures contracts. The draft regulations would be imposed on both new and presently operating

on such technology for customer communication and service regarding securities and derivatives business. The draft regulations would be imposed on both existing and new operating business providers