Management Name : Mr PONGSAK UTAISINCHAROEN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 21/05/2018

Management Name : Mr PONGSAK UTAISINCHAROEN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 24/05/2018

Management Name : Mr PONGSAK UTAISINCHAROEN | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 28/05/2018

Mr. Wiboon Phatrapiboon obtained a bachelor’s degree in engineering from Kasetsart University and a master’s degree in Science from Chieng Mai University. Prior to joining the SEC, he was Deputy

The Securities and Exchange Commission (SEC) welcomed instructors and students from Financial Engineering Program, School of Science and Technology, University of the Thai Chamber of Commerce, on

University, and a Master of Science and a Ph.D. in Industrial Engineering from Texas Tech University. Currently, he is also Associate Professor at NIDA Business School, the National Institute of Development

Period As Of Details UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 UNIMIT ENGINEERING

Year Receive Date Details GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2022 31/03/2023 GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2021 18/04/2022 GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2020 31/03/2021

Period As Of Details GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 GENERAL ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 GENERAL ENGINEERING

Period As Of Details CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023