conjunction with (11) and (12) of the first paragraph under Clause 12 and Clause 14 of the Notification of the Capital Market Supervisory Board No. Tor Thor. 35/2556 Re: Standard Conduct of Business, Management

Tender Offer for all Securities in Thai British Security Printing Public Company Limited, Increase of the Registered Capital, Allocation of the Newly Issued Ordinary Shares to the Company’s Existing

1 ASIA’S BOUTIQUE AIRLINE Management’s Discussion and Analysis For the period ended 30 September 2019 Bangkok Airways Public Company Limited and Its Subsidiaries 2 ASIA’S BOUTIQUE AIRLINE Bangkok

183 (15%) EBITDA 27 33 22% 86 90 5% Net Profit(Loss) for the Company (3) (7) (133%) 10 4 (60%) Gross Profit Margin (%) 54.9% 56.2% 1.3% 59.5% 57.7% (1.8%) EBITDA Margin1 (%) 18.6% 23.9% 5.3% 23.6% 28.2

-2741-5700-5 / Fax 0-2741-6878 / Company Tax ID : 0107545000021 No. 7UP 015/62 April 9, 2019 Subject : Notification for Resolution of Board of Director's Meeting No. 3/2019 regarding the Acquisition and

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 22 February 2019 Re: To clarify the financial statements as of 31 December 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 082/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 084/0960 26

, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 056/0862 16

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 079/0960 25