-9320 Ref: PLC 2017/015 September 25, 2017 Subject: Disclosure of Connected Transaction Information Regarding Renew land rental agreement To: The President of the Stock Exchange of Thailand Panjawattana

Microsoft Word - 2017_Q3 Results Notification letter_English November 7, 2017 The Director and Manager The Stock Exchange of Thailand Re: Information on Third Quarter of 2017 Operating Results KCE

1 Translation CEN 025-2017 November 13, 2017 Subject : Management Discussion and Analysis for business operation of quarter 3/2017 To The Manager and President The Stock Exchange of Thailand For 3

ที่ - Translation - PorBor.076 / 2017 November 14, 2017 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

1 / 4 No.IR.002/2018 22 February 2018 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

Translation CEN 003-2018 February 23, 2018 Subject : Management Discussion and Analysis for business operation of year 2017 To : The Manager and President The Stock Exchange of Thailand Business

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

1 Translation CEN 012-2019 May 14, 2019 Subject Management discussion and analysis for business operation Quarter 1-2019 To The Manager and President The Stock Exchange of Thailand For 3 months

: President, The Stock Exchange of Thailand Ichitan Group Public Company Limited (“ the Company ”), would like to disclose the connected transaction regarding office space rental and providing services