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

(Translation) Ref. No. 1808/036EN August 10, 2018 Subject: Operating Result Clarification for Q2/2018 (Ending June 30, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia

of UBIS (Asia) Public Company Limited (“the Company”) held on July 16, 2019, it was resolved that the Company enter into a connected transaction of the contact of land lease with factory building and

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

Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status which had changed over 20 percent

December 31, 2017) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status for the year

Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status for the year 2017 ended December 31, 2017 of the Company and its subsidiaries, as

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

Q2/2020 (Ending June 30, 2020) To Director and Manager of the Stock Exchange of Thailand UBIS (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial

Ref. No. 1902-009EN February 21, 2019 Subject: Operating Result Clarification for the year 2018 (Ending December 31, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia