ASTI Holdings Limited announced the appointment of Charlie Jangvijitkul as Non-executive and Independent Director Nominating Committee Chairman Remuneration Committee Chairman Audit Committee Member, effective May 15, 2023. Working experience: 2018 - 2023 CEO of Sugarcane Ecoware Co. Ltd. 2018 - 2023 Advisor of ProSecure Co.

Ltd. 2015 - 2017 Director TCMC Co. Ltd. 2014 - 2017 Director of Alston Furniture Co. Ltd. 2013 - 2017 Director of T.C.H. Suminoe Co.

Ltd. 2011 - 2017 Director of Royal Thai International Group Co. Ltd. 2008 - 2017 Executive Director of United Carpet Manufacturing Co. Ltd. 2001 - 2017 Managing Director of TCM Corporation Public Co.

Ltd. Other DirectorShips Past: TCMC Co. Ltd. Alston Furniture Co. Ltd. T.C.H. Suminoe Co.

Ltd. Royal Thai International Group Co. Ltd. United Carpet Manufacturing Co. Ltd. TCM Corporation Public Co.

Ltd. Professional qualifications: Doctor of Philosophy in Strategic Management Bangkok University in cooperation with University of Nebraska, Lincoln, USA. MBA of Marketing Indiana University of Pennsylvania, USA. Bachelor of Laws Ramkhamhaeng University Bachelor of Science in BA Kasetsart University Metropolitan Program 5 Institute of Metropolitan Development M.S. 7 Program, National Defense College, National Defense Institute Top Executive Program in Commerce and Trade (TepCot 8) Thai Chamber of Commerce Executive Management Program (CMA 15) Capital Market Academy Excise Tax Seminar Excise Department IFRS workshop Federation of Accounting Professions Director Certification Program (DCP) Thai Institute of Directors (IOD).