Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No YCI Mr. Chirasak Chiyachantana Acquisition Stock 3.9546 6.3174

Acquisition Stock 9.069 1.5927 10.6618 27/06/2022 9.069 1.5927 10.6618   246019312206-1 GLOCON Mr. Pasu Wachirapong Acquisition Stock 4.7458 1.0076 5.7534 21/06/2022 4.7458 1.0076 5.7534   246019142206-1 GLOCON

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No 7UP Miss Chomkamol Poompanmoung Acquisition Stock

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

. Suthipot Ariyasuthivong Disposition Stock 6.0215 2.1428 3.8787 09/08/2021 6.0215 2.1428 3.8787   246012502108-1 OTO Mr. Suthipot Ariyasuthivong Disposition Stock 10.3072 0.7142 9.593 01/06/2021 10.3072

Jarunun Asavadumrongchai Acquisition Stock 4.4857 6.262 10.7477 16/07/2021 4.4857 6.262 10.7477   246012192107-1 AEC Mr. Luchai Pukananan Disposition Stock 10.4711 6.262 4.2091 16/07/2021 10.4711 6.262

have lowered their stock of high Sulphur bunker fuel oil and have transitioned into stocking low Sulphur bunker fuel oil as to prepare for the transition to the utilization of bunker fuel oil with

| Stock in SET100 | Offering Date - 04/10/2019 - 17/03/2020

Derivative Warrants | SCC19C2003B | DERIVATIVE CALL WARRANTS ON THE SIAM CEMENT PUBLIC COMPANY LIMITED ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN MARCH 2020 # B | Stock in