Ref.No.1905/026EN July 16, 2019 Subject Inform about The Connected Transaction (Amendment) Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.9/2019

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 080/63 August 7, 2020 Subject: Clarification of the Operating Result for the significant change Attention: The

with factory building and the Machinery purchase agreement (Additional) Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.10/2020 of UBIS (Asia) Public

No. CAZ 002/2019 26 February 2019 Subject: Management Discussion and Analysis Year ended 31 December 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited

No. CAZ 007/2019 15 May 2019 Subject: Management Discussion and Analysis 1st Quarter ended 31 March 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited

No. CAZ 1/2019 21st January 2019 Subject: Management Discussion and Analysis Quarter 3rd ending 30 September 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company

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., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 048/61 February 27, 2018 Subject: Clarification of the Operating Result for the significant change Attention

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 032/2562 February 27, 2019 Subject: Clarification of the Operating Result for the significant change Attention