Financial Results Presentation Q2

Financial Results Presentation Material 1 ESG-Initiatives in Q2 for Each Material Topic Material Topic Creating a Circular 1 Economy/Mitigating Climate Change Initiatives in Q2 • Submitted a commitment letter to SBT (Science Based Targets)] • Launched a limited-time "Sustaina Store," which allows people to experience sustainability through buying used items 5 2 Diversity & Inclusion 3 Local Empowerment 4 Safe, Secure, and Fair Transactions • Awarded Gold on the "PRIDE Index 2021," which recognizes companies for their work on LGBTQ+ initiatives • Started the "Mercari Restart Program," aimed at helping people return to the workforce after pausing their careers to focus on such things as childcare or nursing care ⚫ Kicked off the full rollout of Mercari Shops, a service that helps businesses start offering online sales and establish their own online shops Helped the town of Yamada (Iwate Prefecture) open an online shop on Mercari Shops and start listing the equipment of a closed school (a first in Japan) Formed partnership agreements between Souzoh and the communities of Unzen and Hokuto • Entered a comprehensive partnership agreement with USJ to build an environment for safe and secure transactions Entered a comprehensive partnership agreement with 7-Eleven, FamilyMart, and Lawson to build an environment for safe and secure transactions Welcomed the Japan Association of Music Enterprises to Mercari's Intellectual Property Protection Program Corporate Governance/ Reorganized the company's authority rules based on our new management structure Compliance 1. Greenhouse gas emission reduction targets to be set by companies for the next 5-15 years, consistent with the levels required by the Paris Agreement. mercari 7

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