already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH”. Management Discussion

3344 Fax. 66 2 654 3323 No. PACE IR2019/004 Date: 15 May 2019 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2019 changing over 20% To: The President The Stock

3344 Fax. 66 2 654 3323 No. PACE IR2019/007 Date: 15 August 2019 Subject: Explanation of the Operating Results for the three-month period ended 30 June 2019 changing over 20% To: The President The Stock

วันที่ 25 กุมภาพันธ์ 2558 August 14, 2019 Subject: Management’s Explanation and Analysis for the 3 months and 6 months period ended June 30, 2019 Attention: Director and Manager The Stock Exchange of

of Governors of the Stock Exchange of Thailand Reference is made to the resolutions of the Board of Directors’ Meeting No. 6/2018 of Master Ad Public Company Limited (the “Company”), held on May 17

President The Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the third quarter of the year 2018 ended 30

วันที่ 25 กุมภาพันธ์ 2558 November 14, 2019 Subject: Management’s Explanation and Analysis for the 3 months and 9 months period ended September 30, 2019 Attention: Director and Manager The Stock

Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the three-month period ended 30 September 2019. The details

President The Stock Exchange of Thailand Takuni Group Public Company Limited (“The Company”) and its subsidiaries (“The Group”) would like to clarify the change in operating result for the period ended 31

: President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month and 6-month