The FTSE4Good Index Series is the many indexes developed and maintained by FTSE Russell*. It is used by investors around the world as a benchmark index for their ESG-focused investments.

The FTSE Blossom Japan Index was established as an industry-neutral index that reflects the performance of Japanese companies that demonstrate strong ESG practices. It is one of four general ESG indexes selected by Japan’s Government Pension Investment Fund (GPIF) to guide its ESG investments.

Since 2022, our company has been selected for the "FTSE JPX Blossom Japan Sector Relative Index," one of four comprehensive indices used by the Government Pension Investment Fund (GPIF) for ESG investing.
This index reflects the performance of Japanese companies that excel in ESG practices within each sector, making it widely used in sustainable investing and assessments.

In the 2024 CDP disclosure cycle, we were selected as a Supplier Engagement Leader, the highest rating in the Supplier Engagement Assessment (SEA).
The CDP Supplier Engagement Rating assesses how effectively companies collaborate with their suppliers to address climate change. Our company received high recognition, especially in the areas of targets, Scope 3 emissions, value chain engagement, and our risk management processes.

EcoVadis (Headquarters: France) is an organization that provides buyers with sustainability assessments of suppliers through an information-sharing platform where buyers and suppliers from approximately 160 countries and 200 industries are registered. It evaluates corporate sustainability based on four assessment categories: “Environment,” “Labor & Human Rights,” “Ethics,” and “Sustainable Procurement.”

In 2024, Yokohama Rubber received its first "Prime" rating in the "ESG Corporate Rating" by ISS ESG, the responsible investment division of Institutional Shareholder Services (ISS), a leading global provider of corporate governance and ESG research.
The "ESG Corporate Rating" evaluates a company's environmental, social, and governance (ESG) practices through a double materiality lens. Companies that receive a comprehensive high rating within their respective industries are awarded a "Prime" rating. Yokohama Rubber was awarded this "Prime" rating within the "Automotive Parts" industry.

This index comprises approximately 300 companies that excel in ESG (Environmental, Social, and Governance) criteria and is used in "Sustainable Investment," an investment product adopted by multiple pension funds and institutional investors.
The index undergoes an annual review based on ESG evaluation results, and Yokohama Rubber has been selected for inclusion for 14 consecutive years, starting in 2012.

This award is hosted by the Ministry of the Environment with the aim of promoting and expanding ESG finance by recognizing and sharing the advanced initiatives of institutional investors, financial institutions, brokers, companies, etc. that are actively engaged in ESG finance or environmental and social projects and have made an impact.
We have been selected as an “environmentally sustainable company” that meets certain criteria for disclosure.
Since 2025, we have been selected as an "Environmentally Sustainable Company" for meeting specific criteria in disclosure quality.

We have been recognized for the second consecutive year as a “Best Workplace,” the highest honor, in the “D&I AWARD 2025,” Japan's largest certification program evaluating companies committed to Diversity & Inclusion (D&I).
The “D&I AWARD” is a certification program operated by JobRainbow Inc. It evaluates participating companies based on a 100-item “Diversity Score,” with a particular focus on five key areas: “Gender Gap,” “LGBT,” “Disability,” “Multicultural Coexistence,” and “Childcare/Caregiving.”
The highest-rated “Best Workplaces” recognize D&I-leading companies that promote diversity and inclusion at a high standard not only in Japan but globally.
These companies are certified for fostering a corporate culture of D&I and for having employees who actively engage as individuals driving D&I initiatives.

We received the highest ‘Gold’ rating in the “PRIDE Index 2025,” which evaluates corporate for two consecutive years and organizational initiatives concerning sexual minorities such as LGBTQ+^※1.
The “PRIDE Index” is Japan's first workplace evaluation framework for LGBTQ+ initiatives, established in 2016 by the general incorporated association “work with Pride”^※2 to help create workplaces where LGBTQ+ individuals can thrive.

Under the "Health & Productivity Management Outstanding Organization Recognition Program," jointly conducted by the Ministry of Economy, Trade and Industry (METI) and the Nippon Kenko Kaigi, we have been certified as a "Health & Productivity Management Outstanding Organization 2026 (Large Enterprise Category)."
The Health & Productivity Management Outstanding Organization Recognition Program is a system designed by METI to recognize corporations, including large enterprises and SMEs, that practice particularly excellent health and productivity management. This recognition is based on their efforts to address regional health issues and their commitment to health promotion initiatives advocated by the Nippon Kenko Kaigi.

We have obtained certification as a “DX Certified Business Operator” under the Ministry of Economy, Trade and Industry's DX (Digital Transformation) certification system.
The DX Certification System, based on the “Act on Promotion of Information Processing,” certifies companies that meet the fundamental requirements of the “Digital Governance Code” established by the Ministry of Economy, Trade and Industry and are prepared for digital transformation, including vision formulation and the establishment of strategies and organizational structures.