Financial Results Presentation Q2

Financial Results Presentation Material 2 FY2022.6 Q2 Progress & Highlights Consolidated Promoted the establishment of a business foundation that enables mid- to long-term growth with actions that include strengthening our management structure and recruiting aggressively. • Progress toward the initial targets of GMV +20% or higher YoY (JP/US) and adjusted operating margin of 30% or higher (JP) is behind schedule, but there is no change to the initial targets at the moment. Continued to promote identity verification and product development to further establish a safe and secure usage environment that will contribute to future growth. Mercari JP .GMV achieved a new record and continues to grow at a high rate • Promoted services that can be easily and securely used by a wide range of generations through personalization and . web enhancement Souzoh Strongly increased the number of shops and listings after the full rollout on Oct. 7 Proactively implemented marketing initiatives to maximize the selling experience Merpay • The outstanding balance of fixed-amount payments exceeded 35 billion JPY and is growing steadily • Aiming for continuous growth using Merpay's original and unique credit Merlogi Established Merlogi in Oct. 2021 • Began a POC using Mercari Post in Tokyo's Setagaya ward Mercoin Mercari US Thanks to strategic marketing initiatives carried out in the holiday season, MAU increased, and as a result the GMV growth rate was +17% YoY Achieved a record high 5.3 million MAU for a single month in December Cryptoassets: Working to acquire the license for handling cryptoassets with the goal of starting the business in FY2023.6 NFT: Aiming to use blockchain technology in 2022 or after 1. Amount before recording internal transactions between Mercari and Merpay as a result of transferring settlement to Merpay (outsourced payment processing fees) mercari Kashima Antlers For the 30th anniversary year, promoted the new management vision, "Vision KA41," that was updated for the first time in 10 years 10

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