Obayashi Corporation Signs Partnership Agreement for Conservation and Utilization of the 'Shimada no Mori' Nature-Positive Site

Obayashi Corporation (Headquarters: Minato-ku, Tokyo; President: Toshimi Sato) has signed a partnership agreement with the NPO Shimada no Mori Satoyama Forum (Location: Kashiwa, Chiba; Representative: Yoshinori Kitada) and the Shimada no Mori Nature Protection Association (Location: Kashiwa, Chiba; Representative: Yoshihiro Saito) to promote the sustainable conservation and enhancement of biodiversity at the 'Shimada no Mori' nature-positive site in Kashiwa City, Chiba Prefecture.

Through this agreement, the three parties will leverage their respective expertise and technologies to advance efforts toward achieving a society that coexists with nature.

1. Name of the Agreement Partnership Agreement regarding the Conservation and Utilization Support of the Nature-Positive Site 'Shimada no Mori'.

2. Date of Agreement March 16, 2026

3. Background Under its 'Obayashi Sustainability Vision 2050,' the Obayashi Group prioritizes the creation of 'nature coexistence' to ensure harmony between environmental protection and human activity. Shimada no Mori in Kashiwa possesses a rare Satoyama environment and is certified as a 'Nature-Positive Site.' By combining the long-standing expertise of local groups with its own green infrastructure and environmental monitoring technologies, Obayashi aims to advance and streamline conservation activities.

4. Overview of the Agreement The agreement aims for sustainable conservation and the enhancement of biodiversity at Shimada no Mori. 【Key Collaboration Points】 - Conducting field tests for green infrastructure and environmental monitoring technologies. - Supporting conservation activities by sharing data and know-how gained from field tests. - Participation of Obayashi employees in site maintenance and event operations. - Promoting environmental education and awareness in cooperation with the local community.

(Notice) Access to Shimada no Mori As this site includes both public and private land, please refrain from entering private areas without prior contact or permission for ecological and security reasons.