Halcyon Technology Pubic Co. Ltd. announced the resignation of Mr. Norawee Changlum as the Company Secretary to focus on the management of production department of the company. The resolution of the Board of Directors' Meeting No. 1/2019 held on February 25, 2019 has appointed Miss Petra Rimchala as the Company Secretary effective 25 February 2019 onward. Mr. Norawee Changlum is still holding the positions of the Company's Director and Executive Vice President.