sustained QoQ and our PTA earnings grew. The Fiber segment was negatively impacted by ongoing force-majeure by polyamide raw material supplier in Europe and lag impact in HVA fibers. 3Q 2018 versus 3Q 2017

one of the major customers of the manufacture and assembly of electronic circuit boards business unit. Enterprise solution business The Company had revenue from Enterprise solution business for 2019

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: Boards and Managements The Stock Exchange of Thailand K.C

amounting to Baht 389 million. It resulted from a decrease in orders from one of the major customers of the manufacture and assembly of electronic circuit boards business unit. Enterprise solution business

, image or in any other form conveying content by its own nature or by any means. “advertising through media” means an advertising of offer for sale of units through newspapers, advertising boards, radio

the company. Summary on the trading and important statistics of equity instruments and derivative instruments from the Stock Exchange: Boards of directors and shareholders of the public limited company

) $6.63 1,593,000 7.92 1,039.96 Fiber glass METRE $0.66 16,004,806 $0.73 18,403,306 (10.72) (1,260.53) $0.68 19,824,698 8.84 1,098.24 Total US$ (7,870.49) Total US$ 3,690.23 4Q 2019 3Q 2019 Q-o-Q Effect 4Q

For the 1st Quarter Ended 31 March, 2019 Page 1 (Translation) 1. Significant events of the 1st quarter of 2019 1.1 The signing of the shareholders agreement to invest in Underground Optic Fiber Network

of pre-stressed concrete piles and post- tensioned. However, the delivery of glass-fiber reinforced concrete, precast concrete, special cement and architecture was increased. (2) Other incomes The

competition in the E-Commerce business. However, the Company sold fiber optics worth about 11.0 million Baht in the second quarter. 4. Cost of event organizer Cost of event organizer for the six- month period