Financial Results Presentation Q2

Financial Results Presentation Material 3 Mercari US―New Marketing Initiatives Aired a new TV commercial tie-up with the movie "Sing 2" in December to improve brand awareness. Launched our first pop-up shop on December 29 in San Francisco, targeting shoppers who received unwanted gifts during the holidays and educating them about how easy it is to sell secondhand and unused items, as well as showing them the positive impact reselling has on the planet. mercari ILLUMINATION PRESENTE SING 2 SEE THE MOVIE For you Saved searches My likes View in cart View in cart MERCARI TV commercial tie-up with "Sing 2" Video: https://www.youtube.com/watch?v=4ba8m9dBius MERCARI San Francisco pop-up shop Open: Dec 29, 2021-Feb 12, 2022 Customers can receive up to $100 ($30 maximum per item) on the spot via Venmo or PayPal by engaging directly with on-site experts who will assess the value of each item, allowing them to skip the online listing and shipping process. 29 29

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