Mr. Woraphant Chontong On 16 January 2018, Mr. Woraphant Chontong, a director, executive director and senior executive vice president of financial and administration division of Sino-Thai

directors who retired by rotation in 2019, namely: 1. Mr. Patara Yongvanich as Director 2. Mr. Thanachart Numnonda as Director 3. Mr. Soontorn Dentham as Director T.662 636 6999 F.662 646 4200

1 At JSP 067/2561 (OOP) 14 June, 2018 Subject Notifications of the connected transaction-borrowing from connected person, Appointment of Director replace the directors that were resign before the end

Company's director)(Edit) 15/08/2022 20:29 Notification of the Connected Transaction (Receiving financial assistance from the Company's director) Remark:   Data will be displayed within 3 years. Last updated

Assistance (Addition) and Change of Company Director 28/10/2021 18:00 Interim omitted Dividend, Notification of Entering into a Connected Transaction Regarding the Receipt of Financial Assistance and Change of

- Deputy Director General of Securities Research and Training Center (SRTC) Mr. Nguyen Quang Thuong, Deputy Director General และคณะผู้บริหารจาก The State Securities Commission of Vietnam (SSC) ในโอกาสมาดูงาน

business sector’s awareness and readiness to handle cyber threats, with guest speakers, i.e., Pol. Col. Naughtakid Phromchan, Director of the Operations Office, Thailand Computer Emergency Response Team

Director, Manager or Person being responsible for keeping the private key Since April 2020, director, manager or person being responsible for keeping the private key of Bitcoin Company Limited ("

Miss Ratiya Sungduang Miss Ratiya Sungduang, ex-director and executive of Professional Waste Technology (1999) Plc., (PRO), aided and abetted Mr. Sinsathien Aimpoolsub, the ex-director and executive

Mr. Somsit Moonsatan Mr. Somsit Moonsatan, Managing Director of Therm Engineering Co. Ltd., aided and abetted Mr. Sinsathien Aimpoolsub, the ex-director and executive of Professional Waste