1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

November 1, 2017 Re: Clarification on Extension of the Acquisition and Subscription of Shares in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand As Demeter Corporation Public Company

Date : 23/02/2001 09:16:00 -Translation- 14 November 2017 Subject : Information Memorandum Concerning Acquisition of Assets Attention : President The Stock Exchange of Thailand Vanachai Group Public

Date : 23/02/2001 09:16:00 -Translation- 15 November 2017 Subject : Information Memorandum Concerning Acquisition of Assets (revised) Attention : President The Stock Exchange of Thailand Vanachai

Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: Letter of FVC Ref. No. SET-2560-025 “Transaction to Acquire Franchise Wuttisak 25 Branches from Total 113

” 25 Branches from Total 119 Branches in order to Operate Medical Service Business for Healthcare and Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: 1

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of Bangkok

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person (Additional) Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting

1 / 2 IR.011/2019 14 May 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

President The Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (EKH) has informed that, according to the Board of Directors meeting No. 4/2019 held on Tuesday 13 August 2019, the Board