Of Details SIAM MAKRO PUBLIC COMPANY LIMITED 2021   Company Year 31/12/2021 SIAM MAKRO PUBLIC COMPANY LIMITED 2021   Consolidated Year 31/12/2021 SIAM MAKRO PUBLIC COMPANY LIMITED 2021 Reviewed Company

November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

EASTW will reduce the tap water tariff sold to the Provincial Waterworks Authority (“PWA”) by 1.5% for a period of 3 months (April – June 2020) for contracts that EASTW sell bulk tap water to PWA and by

Period As Of Details DIMET (SIAM) PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 DIMET (SIAM) PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 DIMET (SIAM) PUBLIC COMPANY LIMITED

distribution project The Company plans to sell tap water within the third quarter of 2018, which the company can get faster return on its investment. The Company has hedged the risk from the sale of tap water

Offeror : THE SIAM CEMENT PLC. | Date of submission of the Statement of Intention : 28/06/2004

Offeror : THE SIAM CEMENT PLC. | Date of submission of the Statement of Intention : 17/04/2003

Offeror : THE SIAM CEMENT PLC. | Date of submission of the Statement of Intention : 20/08/2004

designated area, using it as a storage pond for raw water before the production of tap water 2. Contract for selling sand to CPAC (1) Concret Product and Aggregate Co.,Ltd. (CPAC) GS Feb 1, 2016 2 years 4

by the following reasons: Faucet and plumbing business group 1. . Revenue from sales and services - faucet and plumbing business Of the company increased from 292.12 million baht to 308.09 million baht