. (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

reviewed by auditor are as follows: Table 1: Financial Summary for the 2nd quarter of the year 2019 and 2018 Unit: Million Baht Q2’2019 Q2’2018 Increase (Decrease) % Change Sales income 16,426.54 15,444.64

MTHB according to the change of severance payment policy following the amended Labor Protection Act. * Note Please find further information in the consolidated financial statements. 2 Summary of

Operating Results of the Company in Q2/2019 Q2/18 Q2/19 1H/18 1H/19 Change +/(-) (THB million) YoY 1H Operating Revenue 206 312 51% 405 599 48% Gross Profit 138 201 46% 273 389 42% EBITDA 49 95 94% 99 186 88

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

(Translation) Re: BOD.SET 014/2018 May 11, 2018 Subject: Clarification on the Change in operating results for the three month period ended March 31, 2018 over 20% compared with the same period of the

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

No. AC 070/2018 KHON KAEN SUGAR INDUSTRY PUBLIC CO., LTD 503 K.S.L. TOWER, 9th FLOOR, SRIAYUDHYA ROAD, RAJATHEVI, BANGKOK 10400 14 June 2018 SUBJECT EXPLANATION FOR THE CHANGE IN PERFORMANCE OVER 20