Management Name : Mr CHANA POOMEE | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 17/02/2016

Management Name : Mr PAUL HEINZ HUGENTOBLER | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 09/06/2017

Management Name : Mr CHANDANA LIYANAGE | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 26/05/2017

Management Name : Mr CHANDANA LIYANAGE | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 22/06/2017

Management Name : Mr MONTRI NITHIKUL | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 09/09/2016

Period As Of Details Yong Concrete Public Company Limited 2023 Reviewed Consolidated Q2 30/06/2023 Yong Concrete Public Company Limited 2023 Reviewed Company Q2 30/06/2023 Yong Concrete Public Company

transaction with the Company. Type of transaction relating to assets or services. The machines that the Company sells are 1 plastic fabric producing machine and 59 plastic sack weaving machines, totaling

piles, precast concrete, glass-fiber reinforced concrete and special cement which were Baht 148.79 million. In addition, revenue from its subsidiaries was increased by Baht 89.61 million. (2) Cost of

autoclaved aerated concrete business – including raw materials, licenses, trademarks and inventories – to Siam City Cement Public Company Limited (SCCC). Mr. Khumsup Lochaya, who at the time was a former

- stressed concrete piles, precast concrete, glass- fiber reinforced concrete and special cement which were Baht 169. 47 million. However, the delivery of post- tensioned was decreased by Baht 33. 48 million