Company: SRV
Filing Date: 2025-04-10
Form Type: N-2
Source: 0001398344-25-006954
Chunk: 78

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-04-10
Form: N-2
Chunk 78
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 and regulations or free of charge through the SEC’s website (http://www.sec.gov).

Principal Holders

As of the date of this SAI, to
the knowledge of the Fund, no person beneficially owned more than 5% of the voting securities of any class of equity securities of the
Fund, except as follows:

| Shareholder Name and Address          | Class of      
 Shares        |    Share 
 Holdings | Percentage 
 Owned      |
| Sit Investment Associates, Inc.       
 Sit Fixed Income Advisors II, LLC     
 80 South Eighth Street, Suite 3300(1) | Common Shares |  292,675 | 7.3%       |
| Philip Goldstein(2)                   
 Andrew Dakos                          
 250 Pehle Ave. Suite 708              
 Saddle Brook, NJ 07663                | Common Shares |  120,623 | 5.52%      |

| (1) | Based on a Schedule 13G filed on January 3, 2025 |

| (2) | Based on Schedule 13G filed on February 13, 2023. |

Legal Matters

Certain legal matters will be
passed on for the Fund by Skadden, Arps, Slate, Meagher & Flom LLP, Chicago, Illinois, in connection with the offering of the Securities.

Independent registered public
accounting firm

Ernst & Young LLP, Dallas,
Texas, serves as the independent registered public accounting firm of the Fund and will annually render an opinion on the financial statements
of the Fund. The Fund’s audited financial statements appearing in the Fund’s annual report to shareholders for the period
ended November 30, 2024, including accompanying notes thereto and the report of Ernst & Young LLP thereon, have been incorporated
by reference herein in reliance on their report given on their authority as experts in accounting and auditing.

Proxy Voting Policy and Procedures
and Proxy Voting Record

The Fund has delegated authority
to vote proxies to the Investment Adviser, subject to the supervision of the Board of Trustees. Attached hereto as Appendix B is
the Proxy Voting Policy which is currently in effect as of the date of this Statement of Additional Information.

<div align='center'>S-15</div>

The Proxy Voting Policy is subject
to change over time and investors seeking the most current copy of the Proxy Voting Policy should call the Fund toll free at (877) 965-7386.
The Fund’s most recent proxy voting record for the period ended