EXHIBIT 31.2
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Laurie D. Stelzer, Chief Financial Officer of Halozyme Therapeutics, Inc. certify that:
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| 1. | I have reviewed this Amendment No. 1 to Quarterly Report on Form 10-Q of Halozyme Therapeutics, Inc.; |
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| 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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| Dated: | August 11, 2015 | | | | | /s/ Laurie D. Stelzer |
| | | | | | | Laurie D. Stelzer |
| | | | | | | Senior Vice President and Chief Financial Officer |
