1 / 4 No.IR.002/2018 22 February 2018 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

Translation CEN 003-2018 February 23, 2018 Subject : Management Discussion and Analysis for business operation of year 2017 To : The Manager and President The Stock Exchange of Thailand Business

results in an offsetting of the position or by any other means under the rules of a derivatives clearing house. “securities” means securities under the Securities and Exchange Act. “Stock Exchange” means

results in an offsetting of the position or by any other means under the rules of a derivatives clearing house. “securities” means securities under the Securities and Exchange Act. “Stock Exchange” means

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

: President The Stock Exchange of Thailand By virtue of the resolution of the Board of Directors’ meeting of Pace Development Corporation Public Company Limited (the “Company”) No. 3/2019 dated 14 February 2019

1 / 4 (Translation) PRG.MD. 040/2019 May 14th, 2019 Subject: Management Discussion and Analysis (MD&A) Q1/2019 Attention: Managing Director of the Stock Exchange of Thailand We, Patum Rice Mill and

May 15, 2019 Subject: Managing Discussion and Analysis for Q1/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

1 Translation CEN 012-2019 May 14, 2019 Subject Management discussion and analysis for business operation Quarter 1-2019 To The Manager and President The Stock Exchange of Thailand For 3 months