Microsoft Word - MD&A_E Q1_2561_จัดใหม่ Management Discussion and Analysis: MD&A 1. Company Situation Revenue from the waste treatment business for Q1/2018 slightly increased compare to Q1/2017. The

Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

(มหำชน) Food and Drinks Public Company Limited 1 | P a g e May 14, 2018 Subject: Management discussion and analysis of the operating results for the quarter 1/2018 Attn: President The Stock Exchange of

15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

)236-835 150/18 Mitraparb Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043)236-835 Ratchaphruek Hospital No. RPH-SET 11/20178 August 3, 2018 Subject : Management Discussion and Analysis

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

Limited would like to submit the report of Management Discussion and Analysis for the 3-month period ended June 30, 2018 which has been unaudited but reviewed by the auditor this is caused by followings

-Translation- 1 -Translation- Ref. NCH 042/2018 August 10, 2018 Subject : Management’s Discussion and Analysis 2Q/2018 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

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. Satid