Exhibit 31.1
CERTIFICATION PURSUANT TO SECTION 302
OF THE SARBANES-OXLEY ACT OF 2002
I, James A. Hayward, certify that:
| 1. | I have reviewed this Amendment No. 2 to Annual Report on Form 10-K of Applied DNA Sciences, 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: January 27, 2020
| /s/ James A. Hayward | |
| James A. Hayward | |
| President, Chief Executive Officer and Chairman | |
| (Principal Executive Officer) |
