. Financial performance Statement of income Consolidated Financial Statements for 2019 2018 Change (Audited) (Audited) Increase (Decrease) THB Million % THB Million % THB Million % Revenues Sales income 16.89

performance Statement of income Consolidated Financial Statements for Quarter 1 of 2020 Quarter 1 of 2019 Change (Unaudited but reviewed) (Unaudited but reviewed) Increase (Decrease) THB Million % THB Million

Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 150.24 92.91 21.63 87.82 128.61 594.59 Service Income 9.70 6.00 0.41 1.66 9.29

. Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q1/2018 which changing over 20% from the same period last year as follows ; Unimit

, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q2/2017 which changing over 20% from the same period last year as follows ; Unimit and its

ที่ BCH No. BCH.174/2017 15 August 2017 Subject : Explanation of the change in operating results of Q2/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

income 1,137 896 241 27% 1,000 824 176 21% Cost of sales and services -812 -647 165 25% -721 -613 108 18% Gross Profit 325 249 76 31% 279 211 68 32% Other Income 10 5 5 100% 18 9 9 100% Distribution costs

, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q3/2017 which changing over 20% from the same period last year as follows ; Unimit and its

, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for 2017 which changing over 20% from the same period last year as follows ; Unimit and its

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