Attached files
file | filename |
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EX-31.2 - EX-31.2 - Ultragenyx Pharmaceutical Inc. | rare-ex312_27.htm |
EX-10.2 - EX-10.2 - Ultragenyx Pharmaceutical Inc. | rare-ex102_7.htm |
EX-10.1 - EX-10.1 - Ultragenyx Pharmaceutical Inc. | rare-ex101_6.htm |
10-Q/A - 10-Q/A - Ultragenyx Pharmaceutical Inc. | rare-10qa_20160630.htm |
Exhibit 31.1
CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Emil D. Kakkis, certify that:
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I have reviewed this Quarterly Report on Form 10-Q/A of Ultragenyx Pharmaceutical Inc.; and |
2. |
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
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/s/ Emil D. Kakkis |
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Emil D. Kakkis, M.D., Ph.D. |
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President and Chief Executive Officer |
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(Principal Executive Officer) |