Exhibit 31.3
Certification of Principal Executive Officer
I, Timothy P. Walbert, certify that:
1. | I have reviewed this Amendment No. 1 to the quarterly report on Form10-Q/A of Horizon Pharma plc; 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. |
Date: May 26, 2017 |
/s/ Timothy P. Walbert |
Timothy P. Walbert |
Chairman, President and Chief Executive Officer |
(Principal Executive Officer) |