November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the six months period end of June 30, 2019 To: President The Stock Exchange of Thailand K.C. Property

ADMS 30/07 1/2 RC 03/20 4 February 2020 Subject : Report on the Company’s operating results for the year 2019 Attention : President of the Stock Exchange of Thailand Jasmine International Public

ADMS 30/07 1/2 RC 18/20 8 May 2020 Subject : Report on the Company’s operating results for the first quarter of the year 2020 Attention : President of the Stock Exchange of Thailand The Board of

1/4 August 13, 2020 Re: Clarification of the operating results of company and its subsidiaries for the six months period end June 30, 2020 To: President The Stock Exchange of Thailand K.C. Property

@halcyon.co.th No. CS-2563/014 14 August 2020 Subject: Management Discussion and Analysis for the 6-Month Period Ended 30 June 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

May 14, 2020 Re: Clarification of the operating results of company and its subsidiaries for the three months period end March 31, 2020 To: President The Stock Exchange of Thailand K.C. Property

(Translation) 1/4 November 16, 2020 Re: Clarification of the operating results of company and its subsidiaries for the nine months period end September 30, 2020 To: President The Stock Exchange of

the 3rd quarter ended 30 September 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 3rd quarter ended 30 September 2019, as submitted by

หน้า 1 ของ 3 (Translation) No. ACC6702/001 February 28, 2024 Subject: Clarification of operating results for the Annual Year 2023 (Revised) To: The President, The Stock Exchange of Thailand Advanced

subsquently strengthen market credibility, balanced market ecosystem, efficiency and competitiveness. Well-rounded perspectives and practicality are taken into account in response to increasing varieties of