Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement on Form S-8 pertaining to the Amended and Restated Proto Labs, Inc. 2022 Long-Term Incentive Plan of our reports dated February 16, 2024, with respect to the consolidated financial statements of Proto Labs, Inc. and the effectiveness of internal control over financial reporting of Proto Labs, Inc. included in its Annual Report on Form 10-K for the year ended December 31, 2023 filed with the Securities and Exchange Commission.
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| /s/ Ernst & Young LLP |
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| Minneapolis, Minnesota |
| August 2, 2024 |
