หนังสือแสดงการรับทราบความผิด 11 May 2018 Subject : Management Discussion and Analysis of the first quarter 2018 ended 31 March 2018 Attn. : Director and Manager The Stock Exchange of Thailand Encls

: BC.017/2018 May 11, 2018 Subject Interim Management’s Discussion and Analysis for the three months ended March 31, 2018 To The President The Stock Exchange of Thailand Management Discussion and

Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 1st quarter of the year ending on 31st March 2018 had decreased more than 20% comparing to the same

1Q2017, mainly from an increase in interest paid on borrowings from financial institutions and bill of exchange. 2.4 Bad debt and doubtful accounts (reversal) The Company has bad debt and doubtful accounts

1 / 2 IR.009/2018 14 May 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

หนา้1/2 (Translation) Ref. JCKH 014/2561 May 15, 2018 Subject: Management Discussion and Analysis for the Quarter 1/2018 To: The President The Stock Exchange of Thailand CC: The Secretary General The

November 13, 2006 May 15, 2018 Subjects : Clarification of operating results for the Q1/2018 Attention : The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of

(Translation) Re: BOD.SET 017/2018 August 10, 2018 Subject: Clarification on the Change in operating results for the three month period ended June 30, 2018 over 20% compared with the same period of

Director of the Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd quarter and 6-month periods of the year ending on 30th June 2018 had decreased

254.34 100.00 234.11 100.00 Remark; ( * ) Other income consist of supporting money from software developers, gain from exchange rate, interest income, gain from sale of fixed assets and gain on investment