Derivative Warrants | NIKKEI28P2606B | DERIVATIVE PUT WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY MACQUARIE SECURITIES (THAILAND) LIMITED LAST TRADING IN JUNE 2026 # B | NIKKEI 225 STOCK

Subsidiary Attn.: President The Stock Exchange of Thailand Enclosure: Information Memorandum on Connected Transaction of JKN Global Media Public Company Limited and Subsidiary The Board of Directors’ Meeting

Rules, Conditions and Procedures for Filing of Annual Financial Statements and Preparation of Reports of the Stock Exchange of Thailand

Offering for Sale of Certificates Representing Interest from Underlying Securities by the Subsidiary of the Stock Exchange of Thailand

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

normal business operation (excluding profits from debt restructuring and other incomes) and cashflow from operation in a very low amount compared to total debts. There would also have potential actions to

ที่ กตพ Ref. DBP. 030 / 2019 February 20, 2019 Subject : Clarification on Operating Results of Year 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited

Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building