TikTok account “betagro_stock_insights” impersonates “BETAGRO Plc.” : Unlicensed securities and derivatives business (Disclosure Date : 09/10/2024)

TikTok account "okj_stock_trade" impersonates "Pluk Phak Praw Rak Mae Plc." : Unlicensed securities and derivatives business (Disclosure Date : 20/03/2025)

TikTok account “stock_marketsawakami” impersonates “Sawakami Asset Management (Thailand) Co., Ltd.” : Unlicensed securities and derivatives business (Disclosure Date : 02/10/2024)

TikTok account “stock_online_” impersonates “HUA SENG HENG Co., Ltd.” : Unlicensed securities and derivatives business (Disclosure Date : 02/10/2024)

TikTok account “sawakamith_stock” impersonates “Sawakami Asset Management (Thailand) Co., Ltd.” : Unlicensed securities and derivatives business (Disclosure Date : 10/10/2024)

TikTok account “sawakami_stock_thailand” impersonates “Sawakami Asset Management (Thailand) Co., Ltd.” : Unlicensed securities and derivatives business (Disclosure Date : 30/08/2024)

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2019 February 28, 2019 To : The President The Stock Exchange

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2018 February 28, 2018 To : The President The Stock Exchange

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2018 February 28, 2018 To : The President The Stock Exchange

ที่ - Translation - PorBor.061/2017 August 15, 2017 Subject: Clarification of operating results different from the same period last year more than 20% To: President The Stock Exchange of Thailand