, namely 1.) CPN ; 2.) Common Ground Work Sdn. Bhd. from Malaysia and 3.) MSB Asia Ltd. from Malaysia, with investment proportions at 51%, 29% and 20% respectively in a new joint venture company. Central

directors to be the highest level responsible person in the management of a company. “head of department” means a person responsible for the work in the departmental level of a company. “branch manager” means

Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

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

of pilling work and grounding system. The project has the scheduled COD by December 2019. B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion and Analysis KEY FINANCIAL HIGHLIGHT Sales and

Management Discussion & Analysis of Business Operation Bangchak Corporation Public Company Limited For the year ended December 31st, 2018 Management Discussion and Analysis of Business Operation for

of Foreign Company to Offer for Sale of Newly Issued Debt Securities in Thai Baht dated 22 December 2016; (2) Notification of the Capital Market Supervisory Board No. Tor Jor. 29/2560 Re: Rules for

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

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its