Management Discussion and Analysis of Business Operation for the 2nd quarter of 2017 Bangchak Corporation Plc. 1 | Bangchak Corporation Public Company Limited Management Discussion and Analysis of

term. In addition to achieving revenue growth, the company-wide cost optimization is ongoing and translated into EBITDA expansion of +9% YoY and +2.4% QoQ to stand at Bt18,905mn, a reported margin of

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

Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st

Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st quarter ending

the Revenue Department’ s challenge for the company to pay the withholding tax on revenue sharing ( see Note 20 on Contingent Liabilities). Net FX gain was Bt12mn, compared to Bt41mn in 3Q17 and Bt106mn

for digital transformation remained for Thai businesses to improve organization operational capabilities. Hence, the corporates maintain their needs for quality connectivity services as well as

management under the supervision of the Enterprise Risk Management Division, Market Risk Management Sub-committee and Risk Management Committee, to maintain risks within prudent limits. 2.3 Liquidity Risk

detailed information relating to the issuing company of the securities and the conditions of securities, including the suitability for investment and the relevant risk exposure. The effectiveness of this

Performance 3 Management Discussion and Analysis of Business Operation for FY2019 Bangchak Corporation Plc. | Executive Summary Summary of the Company and its subsidiaries’ operating results for the year ended