ที่ กตพ Ref. DBP. 156 / 2018 November 12, 2018 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2018 To : President The Stock Exchange of

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of Demeter

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No

-31% EBITDA 88 137 -36% 141 -38% 229 348 -34% EBITDA Margin (%) 2.7% 3.2% -0.5% 5.1% -2.4% 3.8% 3.9% -0.1% Stock Gain/(Loss) & NRV -58 -149 -61% -74 -22% -132 -382 -65% Adjusted EBITDA(1) 146 286 -49

) 60.28  57.80  53.13  P/BV (X) 1.14  1.03  0.97  P/E (X) 9.25  9.36  7.69  Turnover Ratio (%) 39.21  121.37  154.04  Value Trade/Day (MB.) 362.82  245.76  246.36  Beta 0.93  0.95  1.15    Rate of Return

FS 08/2020 14 May 2020 Subject Related transactions (Edited) To Director and President The Stock Exchange of Thailand Forth Smart Service Public Company Limited (“the Company”) would like to inform

allocation together with manage a cashflow adequacy to operate business during this circumstance. Due to the extremely fluctuation of stock market in recent times, CPN Retail Growth Leasehold REIT (CPNREIT

: Director and Manager The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Nation Multimedia Group Public Company Limited The Board of Directors meeting of

: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of