CSR/Sustainability

DN Holdings' Approach to Sustainability

DN Holdings promotes sustainable management to grow as a company that builds a well-being future together with its employees and all stakeholders. In line with our corporate philosophy and code of conduct, we are committed to promoting sincere work practices and disclosing ESG information as a result of these initiatives.

Furthermore, under our sustainability policy, we have established a system to promote sustainability and identified key issues (materiality). By ensuring that our employees have a high awareness of these issues, we actively engage in addressing environmental and social problems, including the SDGs, thereby contributing to the realization of a sustainable society.

Sustainability Policy

As a construction consultant committed to unlocking the potential of land and space, people, and society, we sincerely learn from practical experience, people, and failures.We continuously refine our skills and contribute to solving the SDGs and social issues with advanced technological capabilities.

To this end, we comply with laws and regulations, adhere to social norms and meet the expectations of various stakeholders based on trust, promoting sustainability management to become an indispensable corporate group in society.

The DN Holdings Group has established a Sustainability Committee to promote ESG management through determining fundamental sustainability policies, identifying material issues, and implementing specific measures. The committee is responsible for establishing sustainability policies, identifying material issues, and examining KPIs.

Key Agenda Items and Future Actions of the Sustainability Committee

Agenda Items for the Fiscal Year Ended June 30, 2024:

- Calculation of CO₂ emissions (Scopes 1 and 2)
- Examination and trial of the calculation methodology for Scope 3 emissions
- Review and deliberation of KPI proposals

Planned Actions:

- Development and review of KPIs (indicators and target values) - Response to TCFD and TNFD frameworks
- Response to human capital management

Key Issues (Materiality)

We will address key issues (materiality) based on the following ESG (Environment, Social, Governance) perspectives to promote sustainability management.

ESG	Key Issues (Materiality)
Environment	Initiatives that are Kind to the Earth and Space We contribute to ensuring a rich global environment and sustainable social development by bringing out the potential in the earth and space, creating new value and a new future. Creation of a sustainable and abundant natural environment and a society in harmony with nature Construction of safe and resilient social infrastructure adaptable to climate change Achieving a decarbonized society through expanded adoption of energy-saving and renewable energy Contribution to a circular society through the maintenance management and long-life extension of social infrastructure
Social	Initiatives that Enable People and Society to Shine We contribute to solving challenges for achieving sustainable social realization by unlocking the potential of individuals and society, building a happy future together with all stakeholders. Establishment of workplaces where everyone can work comfortably Promotion of diverse working styles and improvement of working environments through work style reforms Recruitment and development of diverse talents fundamental to sustainable management
Governance	Sound, Fair, and Transparent Management To achieve sustainable growth and long-term corporate value enhancement, all employees, including management, share the corporate philosophy and promote business activities based on the corporate code of conduct, ensuring sound, fair, and transparent management. Corporate governance through compliance and risk management Ensuring appropriate information disclosure and transparency
Corresponding SDGs

Decarbonization Initiatives

The CO₂ emissions of the operating companies for the fiscal year ended June 30, 2024 (July 2023 to June 2024) are as follows:

(Unit: t-CO₂)
	Fiscal Year Ended June 30, 2024
Scope1	789
Scope2	1,130
Scope3	8,817
Total	10,736

DN Holdings Group's Decarbonization-Related Projects

Projects	Roles	Overview
Renewable Energy Projects (Biomass Energy Projects)	Planning Survey Design	● Uchiko Ryuo Biomass Energy Plant Project: Establishment of the “Uchiko Ryuo Biomass Power Plant” in Uchiko Town, Ehime Prefecture, and launch of electricity sales and heat-supply businesses using wood pellets as fuel. ● Yusuhara Town, Kochi Prefecture: Expansion of renewable energy utilization through wood, revitalization of the local economy, and collaboration on development goals ● Hokkaido Biomass Energy Project (Kita no Mori Green Energy): Promotion of regional revitalization through woody biomass and management support for Kita no Mori Green Energy
Renewable Energy Projects (Offshore Wind Power Generation Projects)	Planning Survey Design	● Participation in offshore wind power project survey and analysis Basic surveys have been contracted, and survey companies for detailed surveys have already been selected by project operators
New Energy Projects (Green/Blue Hydrogen, etc.)	Planning Survey	● Takayama City, Gifu Prefecture: Supporting the creation of a circular regional resource economy through the use of wood chips, and converting surplus electricity into green hydrogen, which is then used to generate electricity and hot water via fuel cells (planning, design, and construction handled by Seiryu Power Energy) ● Mikasa City, Hokkaido: Demonstration project for blue hydrogen supply chain development (ongoing)
CCS (Carbon Capture and Storage) Projects	Planning Survey	● Conducting site surveys and analysis to assess domestic CO₂ storage potential ● Active participation in multiple CCS projects● Understanding the underground geological structure through techniques centered on geophysical exploration and geological analysis.

Biodiversity Initiatives

Dia Nippon Engineering Consultants Co., Ltd. has formally endorsed and registered as a supporter of the “30by30” initiative.

30by30 Goal

The goal is to halt and restore biodiversity loss by 2030 (Nature Positive), with the aim of effectively conserving over 30% of the land and sea as healthy ecosystems by 2030.

Regarding specific activities of Dia Nippon Engineering Consultants Co., Ltd., the company aims to support the expansion of protected areas across the entire organization, starting with related departments. This will be done through work related to developing and enhancing national and quasi-national parks, as well as conducting natural environment surveys (for animals, plants, etc.) that contribute to ecosystem-conscious projects, all as a construction consulting company.

Moreover, Dia Nippon Engineering Consultants Co., Ltd., is a member of ABINC (Association for Business Innovation in harmony with Nature and Community) and is supporting the “establishment of a certification system for evaluating private and other green spaces that contribute to biodiversity conservation (OECM).”