consolidated financial statements Total net profit 113 89 27% Net Profit Margin 36% 26% Net Profit T.K.S. Technologies Public Company Limited Management Discussion and Analysis Operating Results for the period

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

-TRANSLATION- 15 May 2018 Subject : Management Discussion and Analysis for Q1/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

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

1 Translation CEN 024-2018 May 15, 2018 Subject : Management Discussion and Analysis for quarter 1-2018 To : The Manager and President Business operation for 3 month period as ended March 31, 2018 of

)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

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