Xometry Results Presentation Deck

Resulting in Expanded Marketplace Use 790 Q1 Accounts with LTM Spend of at Least $50K² Q1 2022 KPI, Excludes Thomas 30,683 Q1 Active Buyers¹ Q1 2022 KPI, Excludes Thomas 21,345 23,942 26,187 1Q21 2Q21 3Q21 28,130 30,683 +44% YOY Growth 3Q21 4Q21 1Q22 412 508 Xometry months to manufacture a product or buy tools or supplies. 603 1Q21 2Q21 3Q21 701 790 +92% YOY Growth 4Q21 1Q22 1. We define Active Buyers as the number of buyers who have made at least one purchase on our marketplace in the twelve months. 2. We define Accounts with Last Twelve-Month, or LTM, Spend of at Least $50,000 as an account that has spent at least $50,000 on our marketplace in the last twelve months. 3. For the year ended December 31, 2021. We define Active Sellers as the sellers that have used our platform at least once during the last twelve 774 2,010 Active Sellers³ 2019 1,410 2020 2,010 +43% YOY Growth 2021 © 2022 Xometry, Inc. and/or its affiliates. All rights reserved. Confidential 13

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