Exhibit 31.1
Section 302 Certification
I, James M. Harrison, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A of Party City Holdco 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. |
Date: October 6, 2017
| /s/ James M. Harrison |
| James M. Harrison |
| Chief Executive Officer |
| (Principal Executive Officer) |
