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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-291307) of Crescent Biopharma, Inc. of our report dated February 26, 2026 relating to the financial statements, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
February 26, 2026
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