Confirmation of Material Topics

  Points in the upper right quadrant of the matrix are issues seen as material by those inside the company as well as stakeholders. Through systematic materiality analysis, stakeholders' sustainability issues are identified and used as a basis for information disclosure in reports. We continue to formulate management policies for material topics, disclose policies for specific issues in each chapter, review and track the results of each item as a foundation for long-term sustainable development.

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The relationship between each stakeholder and TDCC, meeting and communication channels, frequency, as well as key communication points for 2018 are as follows:

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