External Recognition

DISCO has been evaluated as a “Low Risk” company on the Sustainalytics ESG Risk Ratings.
The Sustainalytics ESG Risk Ratings is an ESG risk evaluation conducted by Sustainalytics, which is a part of the Morningstar Group located in the Netherlands. Companies are rated on a 5-tier scale according to their exposure to industry-specific ESG risks and how well they manage those risks.

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CDP is a non-profit organization based in London (United Kingdom) that runs the global disclosure system in the fields of climate change, water security, and deforestation for companies, cities, states, and regions.
DISCO discloses the status of our initiatives through the questionnaire conducted by CDP based on which we have earned a score of “B” for “Climate Change” and an “A-” for “Water Security.”

DISCO CORPORATION CDP Corporate Questionnaire 2025

DISCO has been selected as a constituent of the MSCI World Selection Index.
The MSCI World Selection Index is an index comprised of companies that have displayed excellence in ESG evaluations, selected from the companies in its parent index, the MSCI World Index, which consists of large- and mid-cap stocks from developed markets.

* THE INCLUSION OF DISCO CORPORATION IN ANY MSCI INDEX, AND THE USE OF MSCI LOGOS, TRADEMARKS, SERVICE MARKS OR INDEX NAMES HEREIN, DO NOT CONSTITUTE A SPONSORSHIP, ENDORSEMENT OR PROMOTION OF DISCO CORPORATION BY MSCI OR ANY OF ITS AFFILIATES. THE MSCI INDEXES ARE THE EXCLUSIVE PROPERTY OF MSCI. MSCI AND THE MSCI INDEX NAMES AND LOGOS ARE TRADEMARKS OR SERVICE MARKS OF MSCI OR ITS AFFILIATES.

DISCO has been selected as a constituent of both the MSCI Japan ESG Select Leaders Index and the MSCI Nihonkabu ESG Select Leaders Index.
The MSCI Japan ESG Select Leaders Index is an index comprised of companies that have displayed excellence in ESG evaluations selected from the companies in its parent index (MSCI Japan IMI Index) that aims to achieve 50% market capitalization coverage in each GICS® sector.
The MSCI Nihonkabu ESG Select Leaders Index is an index comprised of companies that have displayed excellence in ESG evaluations selected from the companies in its parent index (MSCI Nihonkabu IMI Index) that aims to cover 50% of the constituent count in each GICS® sector.

* GICS^®: Global Industry Classification Standard
* THE INCLUSION OF DISCO CORPORATION IN ANY MSCI INDEX, AND THE USE OF MSCI LOGOS, TRADEMARKS, SERVICE MARKS OR INDEX NAMES HEREIN, DO NOT CONSTITUTE A SPONSORSHIP, ENDORSEMENT OR PROMOTION OF DISCO CORPORATION BY MSCI OR ANY OF ITS AFFILIATES. THE MSCI INDEXES ARE THE EXCLUSIVE PROPERTY OF MSCI. MSCI AND THE MSCI INDEX NAMES AND LOGOS ARE TRADEMARKS OR SERVICE MARKS OF MSCI OR ITS AFFILIATES.

DISCO has been selected as a constituent of the MSCI Japan Empowering Women Index (WIN) and MSCI Japan Empowering Women (WIN) Select Index.
The MSCI Japan Empowering Women Index (WIN) is an index composed of companies that have displayed excellence in gender diversity within their GICS® sector in the parent index.
Among the companies in this index, companies that have proactively invested in capital goods or R&D while maintaining a high level of sales growth are selected as constituents of the MSCI Japan Empowering Women (WIN) Select Index.

* GICS^®: Global Industry Classification Standard
* THE INCLUSION OF DISCO CORPORATION IN ANY MSCI INDEX, AND THE USE OF MSCI LOGOS, TRADEMARKS, SERVICE MARKS OR INDEX NAMES HEREIN, DO NOT CONSTITUTE A SPONSORSHIP, ENDORSEMENT OR PROMOTION OF DISCO CORPORATION BY MSCI OR ANY OF ITS AFFILIATES. THE MSCI INDEXES ARE THE EXCLUSIVE PROPERTY OF MSCI. MSCI AND THE MSCI INDEX NAMES AND LOGOS ARE TRADEMARKS OR SERVICE MARKS OF MSCI OR ITS AFFILIATES.

DISCO has been selected as a constituent of the FTSE4Good Index Series.
The FTSE4Good Index Series, created by global index provider FTSE Russell, is one of the world’s earliest and most established Environmental, Social and Governance (ESG) equity index families.
The index series is designed with the goal of assessing and tracking the performance of companies demonstrating strong sustainability and responsible business practices relative to their peers.
For information on the FTSE4Good Index Series, please refer to this page.

* FTSE Russell (the trading name of FTSE International Limited and Frank Russell Company) confirms that DISCO CORPORATION has been independently assessed according to the FTSE4Good criteria, and has satisfied the requirements to become a constituent of the FTSE4Good Index Series. Created by the global index provider FTSE Russell, the FTSE4Good Index Series is designed to measure the performance of companies demonstrating strong Environmental, Social and Governance (ESG) practices. The FTSE4Good indices are used by a wide variety of market participants to create and assess responsible investment funds and other products.

DISCO has been selected as a constituent of the FTSE JPX Blossom Japan Sector Relative Index.
The FTSE JPX Blossom Japan Sector Relative Index is designed as a sector neutral benchmark that reflects the performance of companies demonstrating strong Environmental, Social and Governance (ESG) practices in Japan. The index selects companies with higher ESG Ratings within the top 50% of each sector and supports climate transition to a low carbon economy by evaluating companies’ climate governance and climate change efforts via the Transition Pathway Initiative’s Management Quality Score.
Further information can be found online at the FTSE Blossom Index Series page

*FTSE Russell confirms that DISCO CORPORATION has been independently assessed according to the index criteria, and has satisfied the requirements to become a constituent of the FTSE JPX Blossom Japan Sector Relative Index. The FTSE JPX Blossom Japan Sector Relative Index is used by a wide variety of market participants to create and assess responsible investment funds and other products.

DISCO has been selected as a constituent of the Morningstar Japan ex-REIT Gender Diversity Tilt Index.
Built with the data and scoring methodology provided by Equileap, the Morningstar Japan ex-REIT Gender Diversity Tilt Index is designed to enable investment in companies that have strong gender diversity policies embedded in their corporate culture and that ensure equal opportunities to employees, irrespective of their gender.

DISCO has been selected as a constituent of the S&P/JPX Carbon Efficient Index.
The S&P/JPX Carbon Efficient Index is an index that weights constituents based on their disclosure of environment-related information and carbon efficiency (carbon emissions per unit of revenue), with the Tokyo Stock Price Index (TOPIX) as the universe, which is a representative stock index that expresses market trends in Japan.

DISCO has been selected as a constituent of the SOMPO Sustainability Index.
The SOMPO Sustainability Index is an active index that was independently developed based on a combination of ESG evaluation and stock valuation (fundamental value). This index is composed of approximately 300 companies that demonstrate strong ESG practices.

DISCO has been named a “Winner Company” for Corporate Governance of the Year^® 2025 , organized by the Japan Association of Corporate Directors. DISCO was selected for this award from among the approximately 1,600 companies listed on the Tokyo Stock Exchange Prime market.
The Corporate Governance of the Year^® awards was established in fiscal year 2015 to celebrate companies that have achieved robust medium- to long-term growth through good corporate governance. Our company was recognized primarily for our use of corporate governance in our management which enables us to realize healthy medium- to long-term growth while driving continuous business reform.

The RBA^* is an industry coalition dedicated to promoting responsible business conduct in global supply chains.
Together with our suppliers, DISCO adheres to the RBA Code of Conduct, which is composed of five sections; labor, health and safety, environment, ethics, and management systems.
In an RBA Validated Assessment Program (VAP)^** audit conducted by RBA-approved, independent third-party audit firms, the DISCO manufacturing sites of Hiroshima and Nagano Works earned the highest scores of 200 and achieved platinum status in the RBA VAP Recognition Program.

* RBA: Responsible Business Alliance

** VAP: Validated Assessment Program

In acknowledgement of our longstanding health initiatives, DISCO has been recognized under the Certified Health & Productivity Management Outstanding Organizations Recognition Program, administered by METI and the Nippon Kenko Kaigi for 10 consecutive years since the recognition program began in 2017.

For more details, please see Creation of a Healthy Workplace.

DISCO has developed an action plan based on Article 13 of Japan's Act to Advance Measures to Support Next-Generation Child-Rearing, which stipulates measures for maintaining and supporting a healthy work-life balance, and proactively takes initiatives to support both work and family life. These efforts were acknowledged, and in 2007, DISCO acquired the Next Generation Certification Mark “Kurumin”.

For more details, please see Balancing Work and Private Life.