. (Revised) Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q1/2019 which changing over 20% from the same period last year as follows

of last year The explanation for Company’s Operation change from same period more than 20% To : The President, The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

period of last year The explanation for Company’s Operation change from same period more than 20% To : The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

ที่ - Translation - PorBor. 018 / 2018 May 15, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

Operation change from same period more than 20% Attention : The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its subsidiaries herewith submit the clarification of

of last year The explanation for Company’s Operation change from same period more than 20% To The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

No.021/2018 August 15, 2018 Subject: Report the operating result for the 2nd Quarter ended June 30, 2018 and the explanation for the causes of change more than 20% in the Company’s performance

result. Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q3/2018 which changing over 20% from the same period last year as follows

period of last year The explanation for Company’s Operation change from same period more than 20% To The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

recorded from the change in the Company’s ownership interest from 28.49% to 20.56% as a consequence of newly issued ordinary shares of Pimai Salt Company Limited. * Note Please find further information in