2019/2020 period ended 30 June 2019 submitted by Eastern Polymer Group Public Company Limited (the “Company”), please be informed that: (Million Baht) Q1 2019/20 Q1 2018/20 Apr 19 - Jun 19 Apr 18 - Jun

1 / 2 No.IR.018/2020 14 May 2020 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

T.K.S. TECHNOLOGIES 1 March 2021 Re: Management Discussion and Analysis for the period ended 31 December 2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited

financial statement of FY 2019/2020 period ended 31 March 2020 submitted by Eastern Polymer Group Public Company Limited (the “Company”), please be informed that: FY 2019/20 FY 2018/19 Apr 19 - Mar 20 Apr 18

performance, particularly among businesses in the tourism sector. First-quarter performances have exceeded analyst expectations by more than half, signaling promising outlooks for sustained growth. The decrease

to invest, as deemed appropriate.” _____________________Remarks: * The investment rules of Thailand ESG Funds require investment in assets issued by the Thai public sector or businesses established

will help to increase public wealth and become a key economic driver towards sustainable growth in the long run. We believe this study project will be useful for the business sectors and the Thai capital

also promote dialogues and productive cooperation with public sector organizations, state enterprises, business sectors, civil society, the public and relevant international organizations to promote

knowledge among the public; and (6) enhancing SEC efficiency to attain sustainable growth and drive the success of policy implementation. Rapee added that the plan will aim to establish a foundation with

Management Discussion and Analysis for the Year 2017 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the year 2017 compared to