/2020 Operating Results Overall operating results of the Company and its subsidiaries (unit: THB million) Q3/19 Q2/20 Q3/20 change +/(-) 9M/19 9M/20 Change +/(-) YoYYoY QoQ Operating revenue 19,227 18,138

-2841-5925 Website: www.kiatnakin.co.th http://www.kiatnakin.co.th/ 2 Management Discussion and Analysis (MD&A) For the first quarter ended March 31, 2018 comparing operating performance and financial

Website: www.kiatnakin.co.th http://www.kiatnakin.co.th/ 2 Management Discussion and Analysis (MD&A) For the first quarter ended March 31, 2018 comparing operating performance and financial position for the

to 1) consolidated operating loss of Baht 273 million during the year; 2) the recorded transaction of treasury shares from shareholders’ equity for financial management of 4 million shares during Q1

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

) Staff dealing as specified in Part 4; Management company shall have an operating system sufficiently and effectively in order to protect any acts according to paragraph one which may create conflict of

Part 3; (4) Staff dealing as specified in Part 4; Management company shall have an operating system sufficiently and effectively in order to protect any acts according to paragraph one which may create

-2495-1366 Website: www.kiatnakin.co.th http://www.kiatnakin.co.th/ 2 Management Discussion and Analysis (MD&A) For the first quarter ended March 31, 2019 comparing operating performance and financial

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