Protolabs (NYSE:PRLB) announced today that it will issue its financial results for the first quarter of 2025 before the opening of the market on Friday, May 2, 2025. Protolabs will host a conference call to discuss the results at 8:30 a.m. EDT on the same day. A simultaneous webcast of the call will be available via this link and at the investor relations section of the Protolabs website.

To access the live call, please dial 877-709-8150 or outside the U.S. dial 201-689-8354 at least 5 minutes prior to the 8:30 a.m. EDT start time. An audio replay will be available at the investor relations section of the Protolabs website beginning approximately two hours following the end of the conference call.

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Protolabs is the fastest and most comprehensive manufacturing service from prototyping to production. Our digital factories produce low-volume parts in days while Protolabs Network unlocks advanced capabilities and volume pricing through its highly vetted manufacturing partners. The result? One digital manufacturing source for product developers, engineers, and supply chain teams across the globe. See what's next at protolabs.com.

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Investor Relations Contacts:

Protolabs

Ryan Johnsrud, 612-225-4873

Manager, Investor Relations and FP&A

ryan.johnsrud@protolabs.com

Gateway Group, Inc.

949-574-3860

PRLB@gateway-grp.com

Media Contact:

Protolabs

Brent Renneke, 763-479-7704

Marketing Communications Manager

brent.renneke@protolabs.com

Protolabs Sets Conference Call to Discuss First Quarter 2025 Financial Results