ReTerra Shin-Osaka, an Environmentally Regenerative Office Utilizing Existing Buildings, Achieves DBJ Green Building Certification

Tatsuno Corporation (headquartered in Chuo Ward, Osaka City; President and CEO: Mitsuhiko Tatsuno) announces that its environmentally regenerative office building 'ReTerra Shin-Osaka (Ritera Shin-Osaka)' (located in Yodogawa Ward, Osaka City) has been awarded the DBJ Green Building Certification as a 'Building with Exceptionally Outstanding Environmental and Social Considerations (★3)' effective June 5, 2026.

■ About DBJ Green Building Certification

The DBJ Green Building Certification (hereinafter 'GB Certification') is a certification system established in April 2011 by the Development Bank of Japan (DBJ) to support real estate that considers the environment and society (Green Building). Based on comprehensive evaluation of not only the environmental performance of the property but also responses to various stakeholders, including disaster prevention and community engagement, the system evaluates and certifies real estate that meets societal and economic demands, supporting such initiatives.

■ About ReTerra Shin-Osaka (Ritera Shin-Osaka)

Our company promotes regenerative initiatives under the vision of realizing a 'future society where nature co-creates and shines together,' aiming for a society where people and the planet thrive in harmony.

ReTerra Shin-Osaka (Ritera Shin-Osaka) is an environmentally regenerative office building regenerated from an existing structure built 37 years ago, with the concept of a 'next-generation office nurturing a future of natural, authentic work.' By connecting the daily act of working with the cycles of nature, both people and places are regenerated. The building aims to be a hub embodying 'regenerative ways of working.'

An abundant exterior green space open not only to tenants but also to the neighborhood, and an office environment rich in nature where one can feel the warmth of nature and the滋润 of greenery.

■ Key Evaluation Points

ReTerra Shin-Osaka (Ritera Shin-Osaka) is an office building that achieved enhanced environmental performance and building value through 'regenerative renovation,' revitalizing an existing office building without demolition. The project was recognized for its environmental considerations such as LED lighting, motion sensors, renewable energy, and rainwater reuse, as well as for creating a comfortable space engaging the five senses, contributing to the local environment through greening and water feature installations, and initiatives fostering connections with tenants and the local community. As a result, it has received the DBJ Green Building Certification 'Building with Exceptionally Outstanding Environmental and Social Considerations (★3).'

■ Future Outlook

ReTerra Shin-Osaka (Ritera Shin-Osaka) is the first concrete example of our company's regenerative real estate utilization, applying insights accumulated from renovating existing buildings. It specifically addresses not only improved environmental performance but also relationships with workers and the local community. Going forward, we will continue to enhance the value of existing building stock, engage in real estate development and operations that coexist with the environment, and promote the creation of spaces where people, cities, and nature are interconnected.

■ Property Overview

Name: ReTerra Shin-Osaka (Ritera Shin-Osaka)

Location: 7-1-5 Nishi-Nakajima, Yodogawa Ward, Osaka City

Access: 3-minute walk from JR and Osaka Metro Shin-Osaka Station

Floors: 1 basement level / 10 above-ground levels

Structure: Reinforced concrete steel frame

Use: Office

Completion Date: March 1988