must be clearly specified in order to avoid any doubt whether internal information is used to the benefit of the executives. The program must be administered by an intermediary, such as a securities
of 19% in sales volumes. The USD zinc price significantly increased by 36% to 2,598USD/ton in Q2 2017 from 1,915USD/ton in Q2 2016. However the Thai Baht against the US dollar appreciated with 3% from
Baht against USD. The USD zinc price increased to 2,962USD/ton in Q3 2017 from 2,253USD/ton in Q3 2016. Thai Baht appreciated against the US dollar by 4% from 35.01 THB/USD in Q3 2016 to 33.55 THB/USD in
there are adequate measures to manage conflicts of interest; There is no reason to doubt that the management mechanism will be unable to protect the rights of the shareholders or to treat the shareholders
despite a sharp increase in LME zinc price. The USD zinc price increased by 23% from 2,781USD/ton in Q1 2017 to 3,422USD/ton in Q1 2018. Thai Baht appreciated against the US dollar by 10% from 35.29 THB/USD
members of The Stock Exchange of Thailand and those interested to be informed accordingly would be appreciated. Yours faithfully, -Signature- (Mr. Pongsak Thiengviboonvong) Managing director
accordingly would be appreciated. Yours faithfully, -Signature- (Mr. Pongsak Thiengviboonvong) Managing director
near future. For the impact on Thailand, The Baht appreciation is greatly appreciated. Compared to other currencies, as a result, the competitiveness of Thailand on the world stage has decreased
to last year. For your consideration to the members of The Stock Exchange of Thailand and those interested to be informed accordingly would be appreciated. Yours faithfully - Signature - (Mr. Pongsak
2019 decreased comparing to last year. For your consideration to the members of The Stock Exchange of Thailand and those interested to be informed accordingly would be appreciated. Yours faithfully