**Exhibit      31.1**

**Certification      Required by Rule 13a-14(a)**

**or      Rule 15d-14(a)**

| 1.     | I                  have reviewed this quarterly report on Form 10-Q of NGP Capital                  Resources                  Company;                                                                                                                                                                                                                                                                                                                                            |
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| 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;                                 |
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| 3.     | Based                  on my knowledge, the financial statements, and other financial                  information                  included in this report, fairly present in                  all material respects the financial condition, results of operations                  and                  cash flows of the registrant as of, and for, the periods                  presented in this report;                                                                     |
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| 4.     | The                  registrant’s other certifying officer and I are responsible for                  establishing and maintaining disclosure controls and procedures                  (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and                  internal                  control over financial reporting (as defined                  in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant                  and                  have: |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | a) | Designed                  such disclosure controls and procedures, or caused such disclosure                  controls and procedures to be designed                  under our supervision, to ensure that material information relating                  to the                  registrant, including its consolidated                  subsidiaries, is made known to us by others within those entities,                  particularly during the period in which                  this report is being prepared; |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | b) | Designed                  such internal control over financial reporting, or caused such                  internal                  control over financial reporting to be                  designed under our supervision, to provide reasonable assurance                  regarding                  the reliability of financial reporting and                  the preparation of financial statements for external purposes in                  accordance with generally accepted accounting principles; |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | c) | Evaluated                  the effectiveness of the registrant’s disclosure controls and procedures                  and presented in this report our conclusions                  about the effectiveness of the disclosure controls and procedures,                  as of                  the end of the period covered by                  this report based on such evaluation; and |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | d) | Disclosed                  in this report any change in the registrant’s internal control over                  financial reporting that occurred during the                  registrant’s most recent fiscal quarter (the registrant’s fourth fiscal                  quarter in the case of an annual report) that has                  materially affected, or is reasonably likely to materially affect,                  the                  registrant’s internal control over financial reporting;                  and |
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| 5.     | The                  registrant’s other certifying officer and I have disclosed, based on our                  most recent evaluation of internal control over                  financial reporting, to the registrant’s auditors and the audit committee                  of the registrant’s board of directors (or persons                  performing the equivalent functions):                                                                             |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | a) | All                  significant deficiencies and material weaknesses in the design                  or                  operation of internal control over financial reporting                  which are reasonably likely to adversely affect the registrant’s ability                  to record, process, summarize and report                  financial information; and |
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|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | b) | Any                  fraud, whether or not material, that involves management or other                  employees who have a significant role in the                  registrant’s internal control over financial                  reporting. |
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|   |                                                                | By:                /s/ John H. Homier |
|   | John                H. Homier                                       |
|   | President                and                Chief Executive Officer |

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