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Ultragenyx Pharmaceutical(RARE) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Contacts Ultragenyx Pharmaceutical Inc. Investors Joshua Higa ir@ultragenyx.com Ultragenyx Reports First Quarter 2025 Financial Results and Corporate Update First quarter total revenue of $139 million, Crysvita® revenue of $103 million and Dojolvi® revenue of $17 million Reaffirm 2025 Financial Guidance: Total revenue between $640 million to $670 million, Crysvita revenue of $460 million to $480 million, and Dojolvi revenue of $90 million to $100 million UX111, an investigational treatment for ...