)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

materials, Experimental analysis and control, Procedures and methods, Factory layout design, Equipment design, The contractual terms and conditions used in Taiwan including technical training. The contractual

-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

14 August 2018 Subject: Management Discussion and Analysis for the Six-Month Period Ended June 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

-9320 1 Ref: PLC 2018/012 August 13, 2018 Subject: Management Discussion and Analysis Quarter 2 Ended 30-June-2018 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company