Attached files

file filename
EX-31.1 - EX-31.1 - Ultragenyx Pharmaceutical Inc.rare-ex311_8.htm
EX-31.2 - EX-31.2 - Ultragenyx Pharmaceutical Inc.rare-ex312_9.htm
10-K - 10-K - Ultragenyx Pharmaceutical Inc.rare-10k_20151231.htm
EX-32.1 - EX-32.1 - Ultragenyx Pharmaceutical Inc.rare-ex321_10.htm
EX-21.1 - EX-21.1 - Ultragenyx Pharmaceutical Inc.rare-ex211_798.htm
EX-10.38 - EX-10.38 - Ultragenyx Pharmaceutical Inc.rare-ex1038_797.htm
EX-10.34 - EX-10.34 - Ultragenyx Pharmaceutical Inc.rare-ex1034_795.htm
EX-10.43 - EX-10.43 - Ultragenyx Pharmaceutical Inc.rare-ex1043_799.htm
EX-10.35 - EX-10.35 - Ultragenyx Pharmaceutical Inc.rare-ex1035_796.htm

 

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

(1) Registration Statement (Form S-3 No. 333-201838) of Ultragenyx Pharmaceutical Inc., and

(2) Registration Statement (Form S-8 Nos. 333-201843 and 333-194773) pertaining to the 2011 Equity Incentive Plan, as amended, 2014 Incentive Plan and 2014 Employee Stock Purchase Plan of Ultragenyx Pharmaceutical Inc.;

of our reports dated February 25, 2016, with respect to the consolidated financial statements of Ultragenyx Pharmaceutical Inc. and the effectiveness of internal control over financial reporting of Ultragenyx Pharmaceutical Inc. included in this Annual Report (Form 10-K) of Ultragenyx Pharmaceutical Inc. for the year ended December 31, 2015.

/S/ ERNST & YOUNG LLP

Redwood City, California

February 25, 2016