1 Ref: CK-20-0000-AFD(AC)-L-0042 August 14, 2020 Subject: Clarification on Operating Result and Financial Position for the six-month period ended June 30, 2020 Attention: President The Stock Exchange

- ร่าง - 1 August 14, 2018 Subject Management Discussion and Analysis for the period of three months ended 30th June 2018 To President of the Stock Exchange of Thailand Secretary of the Office of

Stock Exchange of Thailand We, K.C. Property Public Company Limited and the subsidiaries (“the Company and its subsidiaries”) would like to clarify the operating performance for the six-month period ended

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June 30, 2020 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For six months ended June 30, 2020 Overall Group Performance Table 1

No: AH 02022024 February 29th, 2024 Subject: Management Discussion & Analysis (MD&A) for the financial statements of fiscal year 2023 ended as of December 31, 2023 To: The President The Stock Exchange

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

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the Year ending 31 December 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and