Stock Exchange of Thailand The Board of Directors’ Meeting No. 1/2020 of Jasmine Telecom Systems Public Company Limited (the “Company”) held on February 5, 2020, has resolved to approve the consolidated

ยา่งเป็นมืออาชีพ” May 15, 2017 Subject: Clarification on the cause of changes in operating results over 20 percent. To: Director and Manager The Stock Exchange of Thailand T S Flour Mill Public Co., Ltd

ended of 30 June 2017 Attention: Directors and Manager The Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the six

ended of 30 June 2017 (Revised) Attention: Directors and Manager The Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results

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

ที่ BCH No. BCH.174/2017 15 August 2017 Subject : Explanation of the change in operating results of Q2/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

ที่ BCH No. BCH.211/2017 8 November 2017 Subject : Explanation of the change in operating results of Q3/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

performance for 3-month period ended September 30, 2017. To Managing Director The Stock Exchange of Thailand The Operating results of the company and its subsidiaries for the 3-month period ended September 30

November 10, 2017. Re: Management Discussion and Analysis for the period 3 months September 30, 2017. To: The Registrar, Stock Exchange of Thailand. Patkol Public Company Limited : Management

: President of the Stock Exchange of Thailand The Board of Directors’ Meeting No. 6/2017 of Jasmine Telecom Systems Public Company Limited (the “Company”) held on November 13, 2017, has resolved to approve the