same period of the previous year. Expenses analysis Q1 2017 Q1 2018 Increase/(Decrease) THB mm THB mm THB mm % Selling expense 32.9 47.3 14.4 43.8% Administrative expense 293.5 268.0 (25.5) (8.7

Expenses analysis Q3 2016 Q3 2017 Increase/(Decrease) THB mm THB mm THB mm % Selling expense 40.2 40.9 0.7 1.5% Administrative expense 245.5 270.7 25.2 10.3% Finance costs 628.2 406.1 (222.1) (35.3%) Total

1 Ref. No. IVL 007/08/2017 9 Aug 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

1 Ref. No. IVL 006/11/2017 9 Nov 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

increase of Baht 46.6 million, or 14.5%, Year-on-Year (YoY) compared to the same period last year. As such, a detailed analysis regarding the operating performance results for Q3/2017 is as follows

Management’s Discussion and Analysis For the period ended 30 September 2017 Bangkok Airways Public Company Limited and Its Subsidiaries 1 ASIA’S BOUTIQUE AIRLINE Bangkok Airways Public Company

Ref. No. IVL 004/02/2020 26 February 2020 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

-month period, the net profit increased by Baht 6.28 million or 2.56 percent. Details of the changes or impacts are described in the Management Discussion and Analysis (MD&A) as attached herewith. Please

described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr

Group for the 6-month period would be Baht 316.54 million or an increase of 23.86 percent. Details of the changes or impacts are described in the Management Discussion and Analysis (MD&A) as attached