Siam Cement : Appointment of Members of Sub-Committees

	-Translation-
CSO S64-066	March 31, 2021
To President
The Stock Exchange of Thailand

Subject: Appointment of Members of Sub-Committees

The Siam Cement Public Company Limited (or "SCC") hereby announces that, on March 31, 2021, its Board of Directors Meeting has resolved to appoint the members of SCC's sub- committees consisting of the existing four directors namely A. C. M. Satitpong Sukvimol, Mr. Chumpol NaLamlieng, Mr. Kasem Watanachai and Mr. Roongrote Rangsiyopash all of whom the 2021 Annual General Meeting of Shareholders re- elected as directors to retain office for another term. This appointment has become effective from March 31, 2021 onwards as the following details:

Names	Positions
1. A.C.M. Satitpong Sukvimol	Chairman,
	Member of the CSR Committee for Sustainable Development
2. Mr. Chumpol NaLamlieng	Independent Director,
	Vice Chairman,
	Chairman of the Governance and Nomination Committee
3. Mr. Kasem Watanachai	Director,
	Chairman of the CSR Committee for Sustainable Development
4. Mr. Roongrote Rangsiyopash	President and CEO SCG,
	Director,
	Member of the CSR Committee for Sustainable Development

The list of names and titles of SCC's directors is provided in the attachment.

Please be informed accordingly.

Yours faithfully,

-signed by-

(Mr. Roongrote Rangsiyopash)

President & CEO

The Siam Cement Public Company Limited

cc: Secretary General, Office of Securities and Exchange Commission

The Siam Cement Public Company Limited

List of Members of the Board of Directors as of March 31, 2021

	Names of Directors	Titles
1.	Air Chief Marshal	Chairman
	Satitpong Sukvimol	Member, CSR Committee for Sustainable Development
2.	Mr. Chumpol NaLamlieng	Independent Director
		Vice Chairman
		Chairman, Governance and Nomination Committee
3.	Mr. Kasem Watanachai	Director
		Chairman, CSR Committee for Sustainable Development
4.	Police Colonel	Director
	Thumnithi Wanichthanom	Member, CSR Committee for Sustainable Development
5.	Mrs. Tarisa Watanagase	Independent Director
		Chairman, Audit Committee
		Member, Governance and Nomination Committee
6.	Mr. Kan Trakulhoon	Director
		Member, CSR Committee for Sustainable Development
7.	Mr. Prasarn Trairatvorakul	Independent Director
		Chairman, Remuneration Committee
		Member, CSR Committee for Sustainable Development
8. Mr. Pasu Decharin	Independent Director
		Member, Audit Committee
		Member, Governance and Nomination Committee
9. Mrs. Parnsiree Amatayakul	Independent Director
		Member, Audit Committee
		Member, Remuneration Committee
10. Mr. Cholanat Yanaranop	Director
		Member, Remuneration Committee
11. Mr. Thapana Sirivadhanabhakdi	Independent Director
		Member, Remuneration Committee
12. Mr. Roongrote Rangsiyopash	President & CEO
		Member, CSR Committee for Sustainable Development