15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

Company Limited and its subsidiaries had the operation results for the nine-month period ended September 30, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change

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

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

August 12, 2019 Subject: Management Discussion and Analysis For the three-month period ended June 30, 2019 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited (“The

will benefit the company and the shareholders of the company since the above acquisition of shares is an important opportunity for the company to expand its production base and products throughout Asia

1 Forth Smart Service Public Company Limited (FSMART) 4Q17 Management Discussion and Analysis Operational Summary in 4Q17  Total revenue from core business was Bt3,105mn, an increase of 38.3 % YoY

period last year due to a slowdown in sales in China since the end of last year. Nevertheless, the Company managed to expand its business to the Philippines to extend the customer base and diversify its

Franchise Agreement; and the Agreement to Acquire and Dispose Assets of “Wuttisak Clinic” 25 Branches from Total 119 Branches dated February 9, 2018 Since Filter Vision Public Company Limited (“the Company

Public Company Limited (“the Company” or “FVC”) declared to The Stock Exchange of Thailand (“SET”) on Transaction to Acquire Franchise Wuttisak Clinic 25 Branches; and Signing on the Memorandum of