Directors’ Meeting No. 323 of Diamond Building Products Public Company Limited (“Company”), which was held on March 18, 2019, has unanimously resolved to approve the investment project for the installation of

NO. OMD011/2562 15 May 2019 Re Explanation and analysis of the Management for the 1st quarter of 2019 ended 31 March 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 2

Company Limited (“Company”) would like to notify the resolution of Board of directors’ meeting no.6/2019 held on 13 August 2019. The Board resolved the matter as follow; Connected transaction The Board of

No. OMD 013/2562 13 August 2019 Re Explanation and analysis of the Management for the 2nd. quarter of 2019 ended 30 June 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting

Director The Stock Exchange of Thailand Pacific Pipe Public Company Limited ( “ Company” ) would like to notify the resolution of Board of directors’ meeting no.6/2019 held on 13 August 2019. The Board

Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public Company Limited (“the Company”) No. 3/2018, held on 14th May 2018, has approved the reviewed financial statements including

9 August, 2018 Re Explanation and analysis of the Management for the 2nd. quarter of 2018 ended 30 June 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2561 of the

12 November, 2018 Re Explanation and analysis of the Management for the 3rd. quarter of 2018 ended 30 September 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 5/2561

14 November 2019 Re Explanation and analysis of the Management for the 3rd. quarter of 2019 ended 30 September 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2562

date for subscription and payment of newly issued ordinary shares for offering to existing shareholders (Rights Offering) as approved by the resolution of the Extraordinary General Meeting of