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

procedures and techniques, Production chart, Tool Standard, Standards of raw materials, Experimental analysis and control, Procedures and methods, Factory layout design, Equipment design, The contractual terms

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

Acc. 006/2018 August 9, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2018 Dear Sir, S. Khonkaen Foods Public Company Limited

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