November 28, 2005 No. 13 /2017 November 13, 2017 President The Stock Exchange of Thailand 93 Ratchadapisek Road, Dindaeng, Bangkok 10400 Subject : Clarification of the operating result. Dear sir, We

E141117 Our Ref: TL034/17 November 14, 2017 The Stock Exchange of Thailand 93, The Stock Exchange of Thailand Building Ratchadapisek Road, Dindaeng, Bangkok 10400 Attention: The President Dear Sir

November 28, 2005 No. 2/2018 February 22, 2018 President The Stock Exchange of Thailand 62 Ratchadapisek Road, Klongtoey, Bangkok 10110 Subject : Clarification of the operating result. Dear sir, We

of Thailand Subject : Clarification of the operating result for the Year 2017 Dear Sir, Yong Thai Public Company Limited is pleased to report the operating results for the year 2017, ended December 31

of Thailand Subject : Clarification of the operating result for the Year 2017 (update) Dear Sir, Yong Thai Public Company Limited is pleased to report the operating results for the year 2017, ended

of Thailand Subject : Clarification of the operating result for the Year 2018 Dear Sir, Yong Thai Public Company Limited is pleased to report the operating results for the year 2018, ended December 31

. 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 ; Unimit

. (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

Sir, Please find below the additional information in supportive of our financial statements ended June 30, 2018. Performance for the three-month period ended June 30, 2018 - Sales income increased 4.8

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