Xometry Results Presentation Deck

Q1 2022 Key Financial Highlights Xometry $83.7M Q1 Revenue +90% YoY Growth $64.4M Marketplace $19.3M Supplier Services $43.9 $50.6 1Q21 2Q21 3Q21 21,345 $56.7 30,683 Q1 Active Buyers (2) 44% YOY Growth 23,942 26,187 $67.1 4Q21 1Q22 28,130 $83.7 1Q21 Q4 2021 KPI, Excludes Thomas 30,683 2Q21 3Q21 4Q21 1Q22 $32.9M Q1 Gross Profit +235% YoY Growth 39.4% Q1 Gross Margin $9.8 $11.9 412 $14.5 1Q21 2Q21 3Q21 4Q21 1Q22 790 Q1 Accounts with LTM Spend of at least $50,000(4) +92% YoY Growth 508 $20.9 603 1Q21 2Q21 3Q21 Q4 2021 KPI, Excludes Thomas $32.9 701 790 4Q21 1Q22 $(12.7M) Q1 Adjusted EBITDA(¹) (15.2)% Q1 Adjusted EBITDA margin (20.1)% $(8.8) 1Q21 (17.9)% 95% $(9.1) 2Q21 (17.7)% 95% $(10.0) 3Q21 94% Q1 Revenue from Xometry Existing Accounts (3) 95% (17.7)% 95% $(11.9) 4Q21 94% 1Q21 2Q21 3Q21 4Q21 1Q22 Q4 2021 KPI, Excludes Thomas (1) We define Adjusted EBITDA as net income (loss) excluding interest income (expense), income tax (expense) benefit, and certain other non-cash or non-recurring items impacting net loss from time to time, principally comprised of depreciation and amortization, stock-based compensation, transaction costs, charitable contributions, income from unconsolidated joint venture and impairment charges. (2) We define Active Buyers as the number of buyers who have made at least one purchase on our marketplace during the last twelve months. (3) We define a Xometry existing account as an account where at least one buyer has made a purchase on our marketplace. (4) 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 most recent twelve-month period. © 2022 Xometry, Inc and/or its affiliates. All rights reserved. Confidential (15.2)% $(12.7) 1Q22 3

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