of time exceeding two years on the date of submission of the application, such applicant (Translation) - 3 - shall complete such knowledge training courses administered by an association or a training

(Translation) February 27, 2019 Ref: SET-2019-003 Re: Management's Discussion and Analysis and operating results for the Year 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision

ที่ กตพ Ref. DBP. 073 / 2019 May 13, 2019 Subject : Clarification on Operating Results for the 1st quarter ending March 31, 2019 To : President The Stock Exchange of Thailand Diamond Building

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

No. ED-MD2020-0008 March 12, 2020 Subject: Announcement of schedule AGM for the year 2020 and omission of dividend for year 2019. Attention: The President,The Stock Exchange of Thailand The Meeting

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

our firm adherence to sustainable development practices, KBank, in the second quarter of 2018, was selected for the Thailand Sustainability Investment (THSI) List for 2018 by the Stock Exchange of

., Ltd and appointment of member of audit committee. (Revised) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation

regarding the Acquisition and Disposition of Assets of the Company (Revised) Attention: President, The Stock Exchange of Thailand According to the resolution of the Board of Director’s Meeting No. 8/2019 of

ng, Khon Ka ing paymen Kaen to NM ation memo ownership a Kaen, dated nceling the 2018 and N ldings, Am nsaction of on Kaen, to ector and M e Stock Exch ormation M ltimedia Gr e reference a Group Pu 8