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

Offeror : SCG Chemicals Company Limited | Date of submission of the Statement of Intention : 09/02/2012

Offeror : SCG Chemicals Company Limited | Date of submission of the Statement of Intention : 22/02/2012

Offeror : SCG Chemicals Company Limited | Date of submission of the Statement of Intention : 03/11/2016

Offeror : SCG Chemicals Company Limited | Date of submission of the Statement of Intention : 17/11/2016

Offeror : SCG Chemicals Company Limited | Date of submission of the Statement of Intention : 13/12/2016

Type of securities : Common share | Effective Date : 16/12/2014 | Close Selling Date : 19/12/2014

Type of securities : Common share | Effective Date : 16/02/2012 | Close Selling Date : 22/02/2012

Type of securities : Common share | Effective Date : 27/08/2018 | Close Selling Date : 30/08/2018

Reporting Person : - | Type of securities : - | Date of reporting obligation : 17/08/2012