Ref: CIG 031/2018 May 15, 2018 Subject: Profit and loss reporting for the first quarter of 2018 and explanation of more than 20 percent fluctuation in profit and loss compared to that of last year

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

December 2016), which is higher than 0.03% but less than 3% of the Company’s NTA. Hence the Company shall disclose the related party transaction to the SET. 5. Criteria for determination of the compensation

Information and Other Acts of Listed Companies Concerning the Acquisition and Disposition of Assets, 2004 (as amended), is less than 15 percent and the total size of all transactions in the past 6 months also

higher than the interest rate charged by the bank Opinion of the Board of Directors - Audit Committee and / or Directors which ar e different from the Board of Dir ectors' opinion -None- Size of item When

ended 30 June 2018 Quality Construction Products Public Company Limited (“Q-CON”) would like to clarify the main reason that caused operating result for the second quarter of 2018 changed more than 20

compare with the same period of previous year amount to Baht 5.93 million, increase Baht 4.82 million or increase 81.17%, because the associated company had a better earning than previous year. For the six

1 Ref: CIG 042/2018 August 14, 2018 Subject: Profit and loss reporting for the second quarter of 2018 and explanation of more than 20 percent fluctuation in profit and loss compared to that of last

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