Company: SRV
Filing Date: 2025-01-14
Form Type: 424B2
Source: 0001398344-25-000635
Chunk: 13

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-01-14
Form: 424B2
Chunk 13
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 $0.09.                                                                                                                              |

| Short-Term Debt:                                                                                                                                                                                                                                                          |     | Actual |             |     | As Adjusted 
 (unaudited) |             |     | As Further Adjusted 
 (unaudited)         |             |
|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:----|:-------|------------:|:----|:------------|------------:|:----|:--------------------|------------:|
| Borrowings                                                                                                                                                                                                                                                                |     | $      |  56,315,000 |     | $           |  56,315,000 |     | $                   |  56,315,000 |
| Common Shareholder’s Equity:                                                                                                                                                                                                                                              |     |        |             |     |             |             |     |                     |             |
| Common Shares of beneficial interest, par value $0.001 per share; unlimited shares authorized, 2,918,943 shares issued and outstanding (actual), 4,085,262 shares issued and outstanding (as adjusted), and 4,655,262 shares issued and outstanding (as further adjusted) |     |        |       2,919 |     |             |       4,085 |     |                     |       4,655 |
| Additional paid-in capital                                                                                                                                                                                                                                                |     |        |  18,826,489 |     |             |  66,729,375 |     |                     |  92,447,775 |
| Accumulated undistributed net income                                                                                                                                                                                                                                      |     |        | 103,681,353 |     |             | 103,681,353 |     |                     | 103,681,353 |
| Net assets                                                                                                                                                                                                                                                                |     |        | 122,510,761 |     |             | 170,414,813 |     |                     | 196,133,213 |

| S-6 |

<div align='center'>USE OF PROCEEDS</div>

Sales of Common Shares, if any, under this Prospectus
Supplement and the accompanying Prospectus may be made in transactions that are deemed to be “at the market” as defined in
Rule 415 under the Securities Act. Assuming the sale of the 570,000 Common Shares available for sale under this Prospectus Supplement
and the accompanying Prospectus, the net proceeds to the Fund from this offering will be approximately $25.7 million (assuming a price
of $45.67 per Common Share, which was