: President of the Stock Exchange of Thailand The Board of Directors’ Meeting No. 4/2020 of Jasmine Telecom Systems Public Company Limited (the “Company”) held on May 8, 2020, has resolved to approve the

(Translation) Ref.No.LEE 04/2020 14 May, 2020 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2020 To : President of The Stock Exchange of Thailand We submit

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MJD.IR.005/2020 15 May 2020 Subject : Clarification of the operating result for the year 2020 ended March 31, 2020 Attention : Director and Managing Director The Stock Exchange of Thailand Major

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

No. INGRS050 15th June 2020 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2020 To : The President The Stock Exchange of Thailand Ingress Industrial

August 11, 2020 SET-20-AC-003 Dear : The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the six months ended June 30, 2020 According to the resolution of

period of last year The explanation for Company’s Operation change from same period more than 20% To : The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

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MJD.IR.011/2020 14 August 2020 Subject : Clarification of the operating result for the year 2020 ended June 30, 2020 Attention : Director and Managing Director The Stock Exchange of Thailand Major