3344 Fax. 66 2 654 3323 No. PACE IR2018/010 Date: 28 February 2018 Subject: Explanation of the Operating Results for the year ended 31 December 2017 changing over 20% To: The President The Stock Exchange

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 10 May 2018 Re: To clarify the financial statements as of 31 March 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

expense was THB 693.69 million and there was the reversal of impairment loss about THB 7.01 million. (4) Other non-current assets increased THB 46.13 million or 60.78%. As a result of rise of equipment

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

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CFR-A-20002 February 28, 2020 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

projects for sales under development of 12,987.3 Million Baht, Account Receivable of 371.5 Million Baht. Additionally, there were building improvement, sales gallery and equipment of 2,317.6 Million Baht

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 10 November 2017 Re: To clarify the financial statements as of 30 September 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company

development of 12,987.3 Million Baht, Account Receivable of 371.5 Million Baht. Additionally, there were building improvement, sales gallery and equipment of 2,864.6 Million Baht. Moreover, the goodwill

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS015/2562 August 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

3344 Fax. 66 2 654 3323 No. PACE IR2018/013 Date: 15 May 2018 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2018 changing over 20% To: The President The Stock