1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 106/2017 October 20, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Unreviewed) To: The President The Stock Exchange of

1 --Translation-- Sor Gor 113/2017 November 9, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Reviewed) To: The President The Stock Exchange of

The Difference 8.630 8.802 Land and Houses Securities Public Company Limited Overview of the Stock Exchange of Thailand During the first quarter of 2021, SET index showed solid recovery signs from year

, 5G subscriber base grew at an accelerated rate, reaching 2.2mn, above the target of 2mn. With 5G price plan geared toward larger data volume and additional benefits i.e., AR/VR services, 5G cloud games

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