Exhibit 31.3
Certification Required by Rule 13a-14(a)
or Rule 15d-14(a)
I, Stephen K. Gardner, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A of NGP Capital Resources Company; 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 29, 2014
| /s/ STEPHEN K. GARDNER |
| Stephen K. Gardner |
| President and Chief Executive Officer |