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

1 / 2 IR.017/2018 14 August 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

year more than 20% (additional) To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of the quarter ended March 31

- Translation- OSP CS-3/2020 17 January 2020 Subject: Additional investment in Basecamp Brews Limited Attention: President Stock Exchange of Thailand We, Osotspa Public Company Limited (“the Company

Registration No. : 0107535000371 No. L001/2020 25th February 2020 Subject : The explanation of operating results for the year 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For the year

) August 9, 2017 Re : Report the operating result for the year ended June 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

-9320 1 Ref: PLC 2017/017 November 16, 2017 Subject: Management Discussion and Analysis Quarter 3 Ended 30-September-2017 (Additional) To: The President of the Stock Exchange of Thailand Panjawattana

ABICO 002/KV/2018 February 2 , 2018 Subject : Explanation on operation result for the year ended December 31, 2017. To : Director and Manager Stock Exchange of Thailand As Abico Holdings Public Co

: The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for the first