Company: SRV
Filing Date: 2025-11-17
Form Type: 424B2
Source: 0001398344-25-021029
Chunk: 54

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-11-17
Form: 424B2
Chunk 54
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 entirety by such reference. The complete Registration
Statement may be obtained from the SEC upon payment of the fee prescribed by its rules and regulations or free of charge through the SEC’s
website (www.sec.gov).

The Fund will provide without charge to each person, including any beneficial owner, to whom this Prospectus is delivered, upon written or oral request, a copy of any and all of the information that has been incorporated by reference in this Prospectus or any accompanying Prospectus Supplement. You may request such informationby calling (214) 692-6334 or by writing to NXG Investment Management at One Energy
Square, 4925 Greenville Avenue, Suite 1310, Dallas, Texas 75206, or you may obtain a copy (and other information regarding the Trust)
from the SEC’s website (www.sec.gov). Free copies of the Fund’s Prospectus, Statement of Additional Information and any incorporated
information will also be available from the Fund’s website at www.nxgim.com. Information contained on the Fund’s website is not incorporated by reference into this Prospectus or any Prospectus Supplement and should not be considered to be part of this Prospectus or any Prospectus Supplement.

<div align='center'>INCORPORATION BY REFERENCE</div>

This Prospectus is part of a registration statement that the Fund has filed with the SEC. The Fund is permitted to “incorporate by reference” the information that it files with the SEC, which means that the Fund can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this Prospectus, and later information that the Fund files with the SEC will automatically update and supersede this information.

The documents listed below, and any reports and other documents subsequently filed by the Fund with the SEC pursuant to Rule 30(b)(2) under the 1940 Act and Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act, prior to the termination of the offering, and any reports and other documents subsequently filed by the Fund with the SEC pursuant to Rule 30(b)(2) under the 1940 Act and Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of the initial registration statement and prior to effectiveness of the registration statement, are incorporated by reference into this Prospectus and deemed to be part of this Prospectus from the date of the filing of such reports and documents:

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