May 12, 2018 Subject: Clarification of Operating Results for The three -month period ended March 31, 2018 Attention: President The Stock Exchange of Thailand Further to our submission of the report

31st March 2018 To : Managing Director Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the three-month period at

Attn : The Directors and The MAI Manager Ref: Dimet AC 1905/001 May 13, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.3’s performance (January

Attn : The Directors and The MAI Manager Ref: Dimet AC 2006/001 June 16, 2020 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.3’s performance (January

” under the Notification of the Stock Exchange of Thailand. Please be informed accordingly. Yours faithfully, -Thitapat Issarapornpat- (Ms.Thitapat Issarapornpat) Director and Acting on behalf of Company

(-Translation-) Ref. No. U.SET 035/2018 September 13, 2018 Subject: Setting up a new subsidiary To: The President The Stock Exchange of Thailand U City Public Company Limited (the “Company”) would

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for year ended of 31 December 2017 as follows. The operation results

-Translation- M06/005/18 May 15, 2018. Subject Clarification of Q1/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

-English translation- CS 7/2018 23 November 2018 Subject: Disposition of investment in White Group Public Company Limited To: President The Stock Exchange of Thailand With reference to the Board of

.์ -4332-7776 E-mail: kcmetalsheet@hotmail.com Website: www.kcmetalsheet.co.th Ref KCM63/006 June 9, 2020 Subject Notice of related party transaction To President The Stock Exchange of Thailand K.C