Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No NCL Miss Montira Charoenwal Disposition Stock 5.9915

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No ICN Mr. Sompong Chonecadeedumrongkul Acquisition Stock

. Kritsada Pruitipat Disposition Stock 5.1649 0.2795 4.8854 18/01/2022 5.1649 0.2795 4.8854   246016092201-1 W Mr. Nuttawut Phowborom Disposition Stock 11.5409 11.5409 0 03/12/2021 11.5409 11.5409 0

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No PJW Mr. Kongsak Hemmontharop Disposition Stock 8.3263

Acquisition Convertible securities 3.072 8.661 11.733 13/12/2021 3.072 8.661 11.733   246015122112-1 RWI CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED Disposition Stock 65.006 0.4194 64.5865 08/12/2021

Convertible securities 0 3.7404 3.7404 14/12/2022 0 3.7404 3.7404 The acquirer will make a tender offer. 246022152212-1 IND Doctor Chainarong Na lamphun Acquisition Stock 29.4114 1.1428 30.5542 14/12/2022

/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No THE Mrs Wanna Sittisirinukul Acquisition Stock 7.1683 5.4897 12.658 09/08/2024 7.1683 5.4897 12.658   246031142408-1 Stock: common

TRITON HOLDING PUBLIC COMPANY LIMITED Disposition Stock 10.2354 0.9009 9.3344 28/03/2022 10.2354 0.9009 9.3344   246017812203-1 GLOCON Mr. Pasu Wachirapong Acquisition Stock 0 8.0157 8.0157 25/05/2021 0

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No JCK Mr. Apichai Taechaubol Disposition Stock 12.4681

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GJS Miss Aroonsri Rattanatanyaporn Disposition Stock