on society through our business while achieving the Mercari Group mission, we changed the title of this report from the “Sustainability Report” to the “Impact Report.” We have significantly reduced the number of pages in this year’s report to focus on the concrete efforts and progress we have made over the past year. For information other than what is published in the report, please visit our corporate website. P7 1. Based on the results of a survey carried out through an external research company in May 2024 on 3,000 men and women across Japan between the ages of 15 and 69 2. Based on the results of a survey carried out on 1,429 Mercari users conducted from June 6 to 10, 2024 P9 3. From “Future Predictions 2040 in Japan: The Dawn of the Limited-Labor Supply Society” published by Recruit Works Institute P12 4. Target categories: Clothing; Sneakers; Electronics; Books, Magazines & Comics; CDs, DVDs & Blu-rays; Bags [added to the calculations this year] 5. Calculations based on items for which a transaction was completed in the target categories on the Mercari Japan and Mercari US services from April 2023 to March 2024 6. CO2 equivalent to one covered baseball stadium: approx. 2,436t-CO2 (covered baseball stadium volume: 1.24M KL; 1 mol = 22.4 L = 44 g-CO2; Source: Tokyo Dome) 7. From “How Much Carbon Dioxide Do Forests Absorb?” published on the website of the Forestry Agency (available only in Japanese) 8. From “Carbon Dioxide Emissions in Transport Sector” published on the Ministry of Labour, Infrastructure and Transport website (available only in Japanese) 9. Yano Research Institute Ltd. “Ministry of the Environment 2022 Survey on Promotion Guidelines for Circular Fashion” (March 2023) P. 26 10. Figures are as of June 30, 2024, with the exception of figures for percentage of female directors, which are calculated based on the Board of Directors as of September 30, 2024 11. As of FY2024.6, the figures shown include employees of Mercari, Inc. seconded to Group subsidiaries Out of the total number of male employees who are the parents of a young child and therefore eligible for childcare leave P29 12. Mercari, Inc.’s inclusion in MSCI indexes and the use of the MSCI logo, trademark, and service logo in this document does not constitute any form of support, recommendation, or promotion of Mercari Inc. by MSCI or its affiliates. MSCI indexes are the exclusive property of MSCI. The names and logos of MSCI indexes are trademarks and service marks of MSCI and its subsidiaries. 13. FTSE Russell (registered trademark of FTSE International Limited and Frank Russell Company) certifies that, as a result of a third-party examination, Mercari, Inc. satisfies the requirements for inclusion in the FTSE Blossom Japan Sector Relative Index and has been selected as a constituent stock of the index. The FTSE Blossom Japan Sector Relative Index is widely used in the creation and evaluation of sustainable investment funds and other financial instruments. *NQBDU3FQPSU "QQFOEJY&EJUPSJBMQPMJDZMJOLT Date of publication: September 2024 Reporting period: This report mostly covers initiatives for FY2024.6 (July 1, 2023, to June 30, 2024), but also contains information on some activities that happened outside this period. Financial information: For timely disclosures, financial results, and other financial information, see the IR section of our website. Non-financial information: For other non-financial information, see the Sustainability section of our website.