External Assessments and Awards

FTSE4Good Index Series

FTSE Blossom Japan Index

FTSE Blossom Japan Sector Relative Index (Continued inclusion in 2023)

We have been selected as a constituent of the FTSE4Good Index Series, the FTSE Blossom Japan Index and the FTSE Blossom Japan Sector Relative Index. These indices were developed by FTSE Russell, a global index data provider, to measure the performance of companies that are active in environmental, social and governance (ESG) practices. The FTSE Blossom Japan Index and the FTSE Blossom Japan Sector Relative Index are widely used by one of the world’s largest institutional investors, and which manages Japan’s public pension funds, the Government Pension Investment Fund (GPIF), and others to create and evaluate ESG investment funds and other financial products.

FTSE Russell (the trading name of FTSE International Limited and Frank Russell Company) confirms that Sumitomo Metal Mining Co.,Ltd. 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.
FTSE Russell confirms that Sumitomo Metal Mining Co.,Ltd. has been independently assessed according to the index criteria, and has satisfied the requirements to become a constituent of the FTSE Blossom Japan Index. Created by the global index and data provider FTSE Russell, the FTSE Blossom Japan Index is designed to measure the performance of companies demonstrating strong Environmental, Social and Governance (ESG) practices. The FTSE Blossom Japan Index is used by a wide variety of market participants to create and assess responsible investment funds and other products. FTSE Russell confirms that Sumitomo Metal Mining Co.,Ltd. has been independently assessed according to the index criteria, and has satisfied the requirements to become a constituent of the FTSE Blossom Japan Sector Relative Index. The FTSE Blossom Japan Sector Relative Index is used by a wide variety of market participants to create and assess responsible investment funds and other products.

• FTSE4Good Index Series
• FTSE Blossom Japan Index Series

Equity indices created by U.S.-based MSCI, Inc., consisting of companies that have received high ESG ratings.

An equity index created by U.S.-based MSCI, Inc., consisting of listed companies in Japan with excellent ESG ratings, and is one of the ESG indices selected by the Government Pension Investment Fund (GPIF).

THE INCLUSION OF SUMITOMO METAL MINING CO., LTD.(SMM) 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 SMM 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.

• MSCI Japan ESG Select Leaders Index

This is an index of Japanese stocks adopted by the Government Pension Investment Fund (GPIF), which is the world's largest institutional investor and manages Japan's public pension funds. The index, designed by the investment research company Morningstar, focuses on companies where established gender diversity policies are ingrained in their corporate culture, as well as companies that promise equal opportunities to employees regardless of gender. This index classifies companies into five groups based on data and scores from Equileap^*. Our company has been rated as the highest-ranking "Group 1" in December 2023.

Equileap：An agency based in the Netherlands that provides and evaluates data on gender-related aspects of companies worldwide.

• Morningstar^® Japan ex-Reit Gender Diversity Tilt Index^SM

Morningstar, Inc., and/or one of its affiliated companies (individually and collectively, "Morningstar") has authorized Sumitomo Metal Mining Co., Ltd. to use of the Morningstar Japan ex-REIT Gender Diversity Tilt Logo ("Logo") toreflect the fact that, for the designated ranking year, Sumitomo Metal Mining Co., Ltd. ranks in the top quintile of companies comprising the Morningstar® Japan ex-REIT Gender Diversity Tilt IndexSM ("Index") on the issue of gender diversity in the workplace. Morningstar is making the Logo available for use by Sumitomo Metal Mining Co., Ltd. solely for informational purposes. Sumitomo Metal Mining Co., Ltd. use of the Logo should not be construed as an endorsement by Morningstar of Sumitomo Metal Mining Co., Ltd. or as a recommendation, offer or solicitation to purchase, sell or underwrite any security associated with Sumitomo Metal Mining Co., Ltd. The Index is designed to reflect gender diversity in the workplace in Japan, but Morningstar does not guarantee the accuracy, completeness or timeliness of the Index or any data included in it. Morningstar makes no express or implied warranties regarding the Index or the Logo, and expressly disclaim all warranties of merchantability or fitness for a particular purpose or use with respect to the Index, any data included in it or the Logo. Without limiting any of the foregoing, in no event shall Morningstar or any of its third party content providers have any liability for any damages (whether direct or indirect), arising from any party's use or reliance on the Index or the Logo, even if Morningstar is notified of the possibility of such damages. The Morningstar name, Index name and the Logo are the trademarks or services marks of Morningstar, Inc. Past performance is no guarantee of future results.

This index is provided by S&P Dow Jones Indices and the Tokyo Stock Exchange (TSE). Component stocks are weighted against TOPIX component stocks based on their environmental initiatives, such as environmental information disclosure and carbon efficiency levels. It is one of the ESG indices used by the Government Pension Investment Fund (GPIF).

• S&P/JPX Carbon Efficient Index

An evaluation by U.S.-based MSCI Inc. that measures a company’s exposure to significant ESG (environmental, social, and governance) risks within its industry and the adequacy of its risk management. As of November 2022, we have received an MSCI ESG rating of AA. (On a 7-point scale from AAA-CCC.)

• MSCI ESG Research website

CDP is an ESG evaluation organization that evaluates more than 13,000 companies worldwide on their strategies to address climate change and their efforts to reduce greenhouse gas emissions. Each company is evaluated using an independent method based on the comprehensiveness of its disclosure, risk management, high goal setting, leadership, and other information and assigned a score from A to D-. We have been responding to CDP’s questionnaire since 2014. As a result of our response to the CDP questionnaire in 2023, we received a rating of A- for Climate Change and B for Water Security.

• CDP

The ESG Finance Award Japan is an award system established by the Ministry of the Environment in 2019 with the aim of widely sharing the innovative initiatives of institutional investors, financial institutions, and companies that actively engage in ESG finance and environmental and social projects, and contributing to the spread and expansion of ESG finance. The Environment Sustainable Category, which is one of the award categories, recognizes companies that incorporate important environmental opportunities and risks into their business strategies and generate positive effects on corporate value and the environment.
We have won the Special Award in the Environment Sustainable Category at the 5th ESG Finance Award Japan. In addition, we have also been selected as an "Environment Sustainable Company" based on the appropriate disclosure of our strategies, KPIs, and initiatives related to environmental issues in our integrated reports, sustainability reports, and company website, meeting certain disclosure criteria.

[Reason for Award]
The significance and impact were recognized for the company's successful development of a new process for the horizontal recycling of copper, nickel, cobalt, and lithium contained in used lithium-ion secondary batteries (LIB) as a contribution to essential resource circulation in future society, and for further advancing the company's considerations towards the business development of battery recycling. Amidst various initiatives on recycling, we hope to see the company further enhance its unique strengths through its efforts.

• ESG Finance Awards Japan

We formulated an action plan for general business owners based on the Act on Advancement of Measures to Support Raising Next-Generation Children. In 2022, by achieving the goals set in the plan and meeting standards, we received the Kurumin certification from the Minister of Health, Labour and Welfare as a company supporting childcare.

• SMM’s Action Plan based on the Act on Advancement of Measures to Support Raising Next-Generation Children (Japanese Only)

The Certified Health & Productivity Management Outstanding Organizations Recognition Program recognizes corporations, including large enterprises and small and medium-sized companies, that practice particularly excellent health and productivity management based on their promotion of health as set forth by the Nippon Kenko Kaigi and efforts to address local health issues. In 2024, we were certified as a Health & Productivity Management Outstanding Organization (large enterprises category), as we were in 2023.

"Digital Transformation Certification" is a system in which the Japanese government certifies companies that have been recognized as being prepared for promoting DX (Digital Transformation) by complying with the "Digital Governance Code," which summarizes the requirements for executives in response to the social transformation brought about by digital technology.