Management Name : Mr CHAIYUT SUKVANICHNANT | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 23/02/2018

Management Name : Mr CHAIYUT TECHATASSANASOONTORN | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 10/11/2017

Management Name : Mr CHAIYUT TECHATASSANASOONTORN | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 13/11/2017

LIMITED (DRT) Miss PEACHAYANANT LORVORALAK Reporter Common Share 13/01/2023 5,000 8.25 Purchase Link DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED (DRT) Mr. CHAIYUT SRIVIKORN Reporter Common Share 13/08

(DITTO) Mr. CHAITHAD KULCHOKWANICH Reporter Common Share 30/09/2021 2,000,000 17.10 Purchase Link DITTO (THAILAND) PUBLIC COMPANY LIMITED (DITTO) Mr. CHAIYUT EIADKAEW Reporter Common Share 30/09/2021

PUBLIC COMPANY LIMITED (DHOUSE) Miss WANNA SRIBUNRUANG Reporter Common Share 19/03/2021 104,900 0.99 Purchase Link DHOUSE PATTANA PUBLIC COMPANY LIMITED (DHOUSE) Mr. CHAIYUT LERDRUNGPORN Reporter Common