จัดอบรมและพัฒนาซอฟต์แวร์ภาษาไทยสำหรับการวัดและบริหารจัดการผลกระทบด้านความยั่งยืนที่เกิดจากการดำเนินธุรกิจ (SDG-Impact Measurement and Management) และโครงการพัฒนาคู่มือเป้าหมายการพัฒนาที่ยั่งยืนสำหรับ

: The President The Stock Exchange of Thailand Takuni Group Public Company Limited (“The Company”) and its subsidiaries (“The Group”) would like to clarify the change in operating result for the period

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

President The Stock Exchange of Thailand Takuni Group Public Company Limited (“The Company”) and its subsidiaries (“The Group”) would like to clarify the change in operating result for the period ended 31

-Translation- Ref. WINNER 018/2020 May 14, 2020 Subject: Management Discussion and Analysis for the 3-month period ending 31 March 2020 To: The President The Stock Exchange of Thailand 1. Analysis of

- Translation - No. LMJG/SET/2020/013 May 18th, 2020 Subject: Clarification for the change of Operating Results more than 20% Attention: The President The Stock Exchange of Thailand Impact from the

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 15 May 2020 Re: To clarify the financial statements as of 31 March 2020 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

was 42.3% decreasing from previous quarter, as a result of the ability to maintain profitability, the stock buyback, and the Company’s interim dividend payment. Quarter Quarter Quarter 3/2019 2/2020 3

measurement in several countries resulting a significant decrease across economic activities which expected a deep economic deceleration throughout the year. During the last period shrinking economy impacted