Exhibit 31.1
CERTIFICATION PURSUANT TO REQUIRED BY RULE 13a-14(a)
I, Paul Olivier te Boekhorst, certify that:
| 1. | I have reviewed this Annual Report on Form 10-K/A [Amendment No. 1] of ImmuCell Corporation (the Company); |
| 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; |
[Because this Amendment does not include or amend any financial statements or financial information, paragraphs 3, 4, and 5 of this certification have been omitted.]
Date: May 13, 2026
| /s/ Paul Olivier te Boekhorst | |
| Paul Olivier te Boekhorst | |
| President and Chief Executive Officer |