UNOFFICIAL TRANSLATION Codified up to No. 3 As of 9 June 2015 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference

TRANSLATED VERSION As of November 21, 2012 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. Notification of the

ประกาศคณะกรรมการกำกับหลักทรัพย์และตลาดหลักทรัพย์ TRANSLATED VERSION Codified up to No. 2 As of August 26, 2014. Readers should be aware that only the original Thai text has legal force and that this

(UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. Notification of the Capital Market

(UNOFFICIAL TRANSLATION) Codified up to No. 5 As of 3 July 2018 Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference

(UNOFFICIAL TRANSLATION) Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand cannot undertake any

-ร่าง- (UNOFFICIAL TRANSLATION) Codified up to No. 4 As of 12 October 2016 Readers should be aware that only the original Thai text has legal force, and that this English translation is strictly for

first half of 2019. On the costs side SG&A has again shown further improvement and versus 2017 overall dropped 1% as a percentage of revenue as the synergies of integrating Saraburi Quicklime impact

(efficiency improvement and cost saving program) that helped driving overall costs down. Gross profit increased by THB 315 million (or +16.8% YoY) to THB 2,191 million in Q3’19. “Fit Fast Firm” Project

and Capital Structure As of 31 December 2019, the Group had a current ratio of 1.24, increased from 0.32 at end of 2018. This improvement was mainly due to a repayment of all short-term borrowing from