No. CAZ 1/2019 21st January 2019 Subject: Management Discussion and Analysis year ended 2017 ending 31 December 2017 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public

would like to disclose information on the said transaction to the Stock Exchange of Thailand (“SET”) in accordance with the Acquisition or Disposal Notification as follows: 1. Date / Month / Year of the

/2019 To Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets (Schedule 1) Regarding the Purchase of the Ordinary Shares of KPN Academy

-AC61/022 November 7, 2018 Subject : Management discussion and analysis of the operating results for the third quarter of 2018, ending September 30, 2018 To : The President of the Stock Exchange of

Nation U Co., Ltd., the subsidiary of the Company, and change in the accounting policy regarding the record of the land valuation To: Director and Manager The Stock Exchange of Thailand (SET) Attachment

* (%) 75.8% 62.9% Debt to equity (times) 1.0 0.8 Assets turnover* (times) 0.5 0.4 Remark: financial ratios were calculated based on The Stock Exchange of Thailand’s formula. *The Company didn’t restate the

หนังสือแสดงการรับทราบความผิด 27 February 2020 Subject : Management Discussion and Analysis of the year ended 31 December 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

Exchange of Thailand Ingress Industrial (Thailand) Public Company Limited (“INGRS”) would like to provide an explanation on the consolidated financial statements of the Company for the financial year ended

ABICO 01 /KV/2017 November 9, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017. To : Director and Manager Stock Exchange of Thailand Abico Holdings Public

ABICO 012/KV/2017 November 10, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017,(Edit) To : Director and Manager Stock Exchange of Thailand Abico Holdings