Microsoft Word - MD&A-E-FA - 1Q - 2019 mh.doc 1 Ref: CSO 012/2019 Date: 7th May 2019 Subject: Management Discussion and Analysis Quarter 1 Ending 31st March 2019 Attention: President The Stock

Management Discussion and Analysis for the First Quarter of Year 2019 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

1 / 3 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS  Explanation and analysis of financial performance for the three-month period ended 31 March 2019

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Ref. PDI/BK-BS-036/2019 10th May 2019 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2019 To: President The Stock Exchange of Thailand PDI reassessed its

., Nongeiroon, Banbueng, Chonburi, Thailand 20220 Tel. 038-160707 Fax. 033-047348 www.ndrubber.co.th No. NDR005/2019 10 May 2019 Subject: Management Discussion and Analysis (MD&A) Report for the Three Month

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หนังสือแสดงการรับทราบความผิด 13 May 2019 Subject : Management Discussion and Analysis of the first quarter 2019 ended 31 March 2019 Attn. : Director and Manager The Stock Exchange of Thailand Encls

Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 150.24 92.91 21.63 87.82 128.61 594.59 Service Income 9.70 6.00 0.41 1.66 9.29

THB 313 377 277 Q1'18 Q1'19 654 + 109.0% SalesTBSPSales TKS T.K.S. Technologies Public Company Limited Management Discussion and Analysis Operating Results for the three months period ended 31 March