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

. Jirawud Kuvanant Acquisition Stock 39.5696 1.5301 41.0997 19/12/2019 39.5696 1.5301 41.0997   246002852003-1 B52 นาย ทวี โฆษิตจิรนันท์ Acquisition Stock 0 6.327 6.327 17/05/2019 0 6.327 6.327   2562-0201

. 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

the matter seeking resolution, etc.; 6 (e) number of votes required for the resolution and the method of vote counting, including at least a provision to support the following cases: 1. requesting the

previous Form 69 – CIS full or Form 69 – CIS annually update. 3) Form 69 – CIS material update Filing within 10 business days – not counting Hong Kong public holidays – from the date of material changes to

the resolution of approving the delisting of GLOW’s from being the listed securities on the Stock Exchange of Thailand. The company has informed the Stock Exchange of Thailand (SET) to make a tender

| 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

| Stock in SET50 | Offering Date - 11/10/2019 - 03/04/2020