Board No. Tor.Jor. 20/2008 regarding Criteria for entering into significant transaction that is the acquisition or disposal of assets and Notification of the Board of Governors of the Stock Exchange of

(Translation) No. IR/2561/034 9 July 2018 Subject: Resolutions of the Board of Directors' Meeting regarding entering into transactions with connected persons To: President The Stock Exchange of

(Translation) No. CK-19-0000-PO-L-0008 February 28, 2019 Re: Scheduling of the 2019 Annual Ordinary General Meeting of Shareholders and Declaration of Dividend Payment Attn: President of the Stock

the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1

December 2019 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for year ended 31 December 2019 which

all existing products, reducing Stock Keeping Unit (SKU) and cutting off the unproductive tail of products, and developing new core assortment to reflect market trends which will lead to improved sales

(Translation) 14th November, 2017 Ref: SET-2017-020 Re: Management's Discussion and Analysis and operating results for the 3rd Quarter 2017 Dear: The President The Stock Exchange of Thailand Filter

, reducing Stock Keeping Unit (SKU) and cutting off the unproductive tail of products, and developing new core assortment to reflect market trends which will lead to improved sales and margin.  Review new

Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the Year 2017 with the

3344 Fax. 66 2 654 3323 No. PACE IR2018/013 Date: 15 May 2018 Subject: Explanation of the Operating Results for the three-month period ended 31 March 2018 changing over 20% To: The President The Stock