Securities Public Company Limited and Krungthai Zmico Securities Company Limited which Ms. Uraiwan gave Mr. Telaphon an authority to trade securities in those securitites accounts on behalf of Ms. Uraiwan; and

Krungthai Zmico Securities Company Limited which Ms. Uraiwan gave Mr. Telaphon an authority to trade securities in those securitites accounts on behalf of Ms. Uraiwan and Mr. Telapon’s 2 securities accounts

World Corporation Public Company Limited. Ref. World 4-03/2018 4 Moo 11 Hathai Rat Road, Tumbon Lat Sawai Ampur Lum Luk Ka, Pathum Thani Province April 11, 2018 Subject: Approval of financial

President The Stock Exchange of Thailand Rajthanee Hospital Public Company Limited (“the Company”) would like to clarify the operating results of the Company and its subsidiaries for the 2nd quarter of 2018

(Ending March 31, 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 status for the

company has total liabilities of 2,107.04 Million Baht as 29.75 Million Baht decreased when compared to same period of previous year of 2,136.79 -subsidiaries has more trade account payable and other

business has low gross profit margin, to build up more sales revenue will result in good net profit. Sales revenue The Company had total sales revenue of Baht 969.4 million in Q1/2018, decreased Baht 102.6

. Due to this business has low gross profit margin, to build up more sales revenue will result in good net profit. Sales revenue The Company had total sales revenue of Baht 917.7 million in Q2/2018

. Due to this business has low gross profit margin, to build up more sales revenue will result in good net profit. Sales revenue The Company had total sales revenue of Baht 945.6 million in Q1/2020

. Due to this business has low gross profit margin, to build up more sales revenue will result in good net profit. Sales revenue The Company had total sales revenue of Baht 862.8 million in Q3/2020