Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

- Translation - Ref : LPH/SET 2018/006 March 15, 2018 Subject : Clarification on the Operating Results for Year 2017 period ended December 31, 2017 To : President The Stock Exchange of Thailand The

, compared to the previous year To President of the Stock Exchange of Thailand The financial statements in which the equity method is applied of Union Plastic (Public) Company Limited for the three-month

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

- Translation - LPH/SET/2019/008 May 15, 2019 Re : The Board of Directors’ resolution Notification on acquisition of shares of New Company. To : President The Stock Exchange of Thailand Ladprao

and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating

: Director and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating

and make use of capital market. The Project has gained support from our seven alliances, namely the Ministry of Interior, National Science and Technology Development Agency (NSTDA), the Stock Exchange

Turn-key for Engineering, Design, Supply, Installation, Supervision, Testing, Commissioning, etc.  Valve, Fire Hose, Fire Extinguisher Equipment, Automatic Sprinkler Equipment  Water Base System

exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for