คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 22 February 2019 Re: To clarify the financial statements as of 31 December 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS016/2017 August 11, 2017 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

RP-AC 001/2019 February 26, 2019 Subject Clarification of 2018 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like

1 Ref: CK-19-0000-AFD(AC)-L-0054 November 14, 2019 Subject: Clarification on Operating Result and Financial Position for the nine-month ended September 30, 2019 Attention: President The Stock

MD&A Q.4'17EN RP-AC 00/201 February 27, 2018 Subject: Clarification of Year 2017 Operating Results To: Directors and Managers of the Stock Exchange of Thailand Richy Place .//. Public Company Limited

หนังสือแสดงการรับทราบความผิด 28 February 2018 Subject : Management Discussion and Analysis of the year ended 31 December 2017 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the year

15, 2019 Subject: MD&A for the financial statements of the 1st quarter of fiscal year 2019 ended as of March 31, 2019 To: The President The Stock Exchange of Thailand Aapico Hitech Public Company

Attention: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for

1 Ref: CK-18-0000-AFD(AC)-L-0039 August 14, 2018 Subject: Clarification on Operating Result and Financial Position for the six-month ended June 30, 2018 Attention: President The Stock Exchange of