Financial Results Presentation Q2

mercari Financial Results Presentation Material 4 ESG-Goals and Actions for Each Material Topic 1 Material Topic Creating a Circular Economy/Mitigating Climate Change 2 Diversity & Inclusion 3 Local Empowerment 4 • Maximize our positive impact • Minimize our negative impact Actions > Goals and Actions Awareness (ensure consumers know they have options other than throwing things away), education (provide an environment for consumers to learn about sustainable behavior), collaboration (create a circular economy throughout the entire value chain), etc. • Pursue ease of use for all users • Build an organization that provides fair opportunities to all employees Identify needs, improve the development organization, improve features, visualize structural inequalities, and build self-cleansing mechanisms and culture for equality, etc. Actions > Promote local economies and create opportunities for local empowerment Help to resolve issues by empowering individuals and companies Actions > Enter partnerships with local governments, support local governments through Mercari Donation, etc. • Increase the number of users who think of Mercari as a safe, secure, and fair service Safe, Secure, and Fair Transactions Corporate 5 Governance/ Compliance Actions > Use technology to create safe and secure mechanisms, update policies to match social changes, create a safe and secure environment with our customer service, etc. • Build stakeholders' trust in Mercari Group • Improve Mercari Group's resilience Actions > Establish measures and the appropriate structures to handle corporate governance, compliance and risk, security, and data privacy, etc. 43 43

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