Company: SRV
Filing Date: 2025-10-22
Form Type: N-2/A
Source: 0001398344-25-019582
Chunk: 130

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-10-22
Form: N-2/A
Chunk 130
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, State of Texas, on the 22nd day of October, 2025

| NXG CUSHING® MIDSTREAM ENERGY FUND |          |                                                |
| By:                                | /s/ John 
 Musgrave |                                                |
|                                    | Name:    | John Musgrave                                  |
|                                    | Title:   | Trustee, Chief Executive Officer and President |

As required by the Securities
Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities set forth below
on the 22nd day of October, 2025.

Principal Executive Officer:

| /s/ John Musgrave                              |
| John Musgrave                                  |
| Trustee, Chief Executive Officer and President |

Principal Financial Officer and

Principal Accounting Officer:

| /s/ Blake Nelson                      |
| Blake Nelson                          |
| Chief Financial Officer and Treasurer |

Trustees:

| *              |
| Brian R. Bruce |
| Trustee        |

| *             |
| John H. Alban |
| Trustee       |

| *                 |
| Andrea N. Mullins |
| Trustee           |

| * | Signed by Blake Nelson, an attorney-in-fact, pursuant to a power of attorney filed herewith. |

| By: | /s/ Blake Nelson |
|     | Blake Nelson     |
|     | Attorney-In-Fact |
|     | October 22, 2025 |

<div align='center'>C-10

EXHIBIT INDEX</div>

| (l) | Opinion and Consent of Skadden, Arps, Slate, Meagher & Flom LLP |
| (n) | Consent of Independent Registered Public Accounting Firm        |
| (s) | Filing Fee Table                                                |

<div align='center'>C-11</div>