discloses or submits personal data for use in the personal data processing activities in accordance with its responsibilities and the relevant agencies as follows: Stock Exchange of Thailand; Finance Ministry

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

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

derivatives business operator. (2) in case where the derivatives business operator changes the position or power in management of the person already approved by the SEC Office, from the position of manager to

business operator. (2) in case where the derivatives business operator changes the position or power in management of the person already approved by the SEC Office, from the position of manager to the

person with power of management of the derivatives business operator. (2) in case where the derivatives business operator changes the position or power in management of the person already approved by the

ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond