Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No NEWS Mr. Siritaj Rojanepruk Disposition Stock 11.2549

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No ACC Mr. Bing Chen Acquisition Stock 7.4457 7.4457

. Ratchata Poompanmoung Acquisition Stock 4.7987 0.9226 5.7213 06/07/2021 4.7987 0.9226 5.7213   246012022107-1 7UP Mr. Somyot Poompanmoung Acquisition Stock 9.9356 0.2023 10.1379 26/03/2021 9.9356 0.2023

T.H.S. RUBBER INDUSTRY COMPANY LIMITED Acquisition Stock 17.3361 7.6628 24.9989 08/07/2021 17.3361 7.6628 24.9989   246012032107-1 DIMET T.H.S. RUBBER INDUSTRY COMPANY LIMITED Acquisition Stock 0 17.3361

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No WORLD Mrs. Sangsri Chiyachantana Disposition Stock

Disposition Stock 35.0024 0.0189 34.9834 21/09/2021 35.0024 0.0189 34.9834   246013402109-1 UWC CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED Acquisition Convertible securities 0 24.217 24.217 11/06/2021 0

Disposition Stock 5.0195 0.0377 4.9817 30/05/2022 5.0195 0.0377 4.9817   246018722206-1 BDMS Miss Poramaporn Prasarttongosoth Acquisition Stock 3.5765 1.5039 5.0804 03/03/2022 3.5765 1.5039 5.0804

Stock 5.1612 0.34 4.8212 29/03/2023 5.1612 0.34 4.8212   246024072303-1 NETBAY BBL ASSET MANAGEMENT COMPANY LIMITED Disposition Stock 10.0795 0.1279 9.9516 13/12/2021 10.0795 0.1279 9.9516   246015202112

Stock 5.0693 0.112 4.9573 17/03/2021 5.0693 0.112 4.9573   246012312107-1 UPF Mr. Nithiphan Darakananda Acquisition Stock 4.7123 1.3346 6.047 16/12/2020 4.7123 1.3346 6.047   246007912012-1 UPF Mr. Sumeth

securities 8.3333 0.3633 7.9699 09/12/2022 8.3333 0.3633 7.9699 The acquirer will reduce its shareholding. 246022132212-1 VIBHA Mr. Chaisith Viriyamettakul Acquisition Stock 14.9972 0.0073 15.0045 24/03/2022