Acc. 004/2019 August 8, 2019 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2019 Dear Sir, S. Khonkaen Foods Public Company Limited

Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 44.36 86.52 35.57 96.14 8.79 24.71 Service Income 5.94 11.59 0.00 0.00 5.94 #DIV/0

Public Company Limited 1 | P a g e August 14, 2019 Subject: Management discussion and analysis of the operating results for the quarter 2/2019 Attn: President The Stock Exchange of Thailand Please find the

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

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

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

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