Exhibit 31.1
Certification of Chief Executive Officer of Neostellar Capital Corp.
pursuant to Rule 13a-14(a) under the Exchange Act,
as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, Mark D. Klein, certify that:
| 1. | I have reviewed this Amendment No. 1 on Form 10-K/A to the annual report on Form 10-K for the fiscal year ended December 31, 2025 of Neostellar Capital Corp. (formerly known as SuRo Capital Corp.); 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. |
Dated this 23rd day of September, 2026.
| By: | /s/ Mark D. Klein | |
| Mark D. Klein | ||
| Chief Executive Officer and Director (Principal Executive Officer) |