Diamond Building Products Public Company Limited inform that Miss. Thanakarn Phanthapirat, Company Secretary, resigned from the position which will be effective from December 31, 2021 onwards. The resolutions of the Company's Board of Directors' Meeting No. 357 that was held on December 13, 2021 resolved to appoint Mr. Krit Kullertprasert, Assistant Chief Executive Officer Central Management, to take on another role as Company Secretary, effective from January 1, 2022 until further change.