26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

& Information Technology Infrastructure Business, followed by the revenues from Telecommunications Infrastructure Business. The gross profit margins for the periods were 17.43% and 17.49% respectively. The

เป็นพิเศษ? สัดส่วนของประเภททรัพย์สินทีล่งทนุ ผลการดำเนินงาน ค่าธรรมเนียม ข้อมูลอื่นๆ การลงทุนในกองทนุรวมไม่ใช่การฝากเงิน กองทุนเปิดบีแคป ดิสรัปทีฟ เทคโนโลยี BCAP Disruptive Technology Fund (BCAP-DISRUPT

15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

-month periods ending 30 June 2018 and 2019, the Company’s revenues were 195.35 million Baht and 322.06 million Baht respectively. The main revenues were from Data Center & Information Technology

or services Revenue item - Business consultancy fees - Warehouse management fees - Movable property rental fees - Information technology system services fees - Training fees Baht 25 million Expense

-month periods ending 30 September 2018 and 2019, the Company’s revenues were 279.37 million Baht and 427.85 million Baht respectively. The main revenues were from Data Center & Information Technology

เรื่องดังต่อไปนี้ (1) การกำกับดูแลและบริหารจัดการด้านเทคโนโลยีสารสนเทศ (Information Technology Governance) (2) การรักษาความมั่นคงปลอดภัยด้านเทคโนโลยีสารสนเทศ (Information Technology Security) (3) การตรวจ

เซอร์วิส จำกัด (มหาชน) AIT: ADVANCED INFORMATION TECHNOLOGY PUBLIC CO.,LTD. AJA: AJ ADVANCE TECHNOLOGY PUBLIC COMPANY LIMITED ASAP: SYNERGETIC AUTO PERFORMANCE PUBLIC COMPANY LIMITED BIS: Bioscience Animal