No. ADD-IR2021/001 19 May 2021 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2021 To: President The Stock Exchange of Thailand AddTech Hub

Ref. APURE 024/2023 August 15, 2023 Subject : Financial Position and Operating Performance of year 2022 (Revise) Attention : The Director and President of the Stock Exchange of Thailand Financial

No. GST/ELCID-21/2560 September 25, 2017 Subject: Reports on Connected Transaction (receiving financial assistance) (Additional) To: The President The Stock Exchange of Thailand The Board of Directors

Connected Transaction (receiving financial assistance) Dear: President The Stock Exchange of Thailand The Board of Directors Meeting of G J Steel Public Company Limited (“Company”) No.10/2017 held on November

Connected Transaction (receiving financial assistance) (Revised) Dear: President The Stock Exchange of Thailand The Board of Directors Meeting of G J Steel Public Company Limited (“Company”) No.10/2017 held

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1 (Translation) AT JSP/61/02/02 February 6, 2018 Subject The disposal of investment of joint venture (Revise) To The President The Stock Exchange of Thailand The Board of Director’s Meeting No.1/2018

lease office space for the Company and its subsidiaries. To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of

years To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) would like to disclose the resolution of the Board of Directors’ meeting no. 6/ 2561 on

assistance To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) , held the Board of Directors’ meeting no. 9/ 2562 on December 19th, 2019, approved the