CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Neal Walker, certify that:
1. | I have reviewed this annual report on Form 10-K/A of Aclaris Therapeutics, Inc. (the “registrant”); 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: April 25, 2016
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| /s/ Neal Walker |
| Neal Walker |
| President & Chief Executive Officer |
| (principal executive officer) |