Company: SRV
Filing Date: 2025-03-10
Form Type: PRE 14A
Source: 0001398344-25-005333
Chunk: 12

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-03-10
Form: PRE 14A
Chunk 12
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 Board of Trustees

| (a) | With Respect to SRV: |

The Trustees of SRV are classified
into three classes of Trustees. Set forth below are the current classes of Trustees (assuming the nominees named in this Proxy Statement
are elected):

| Class I Trustees* |     | Class II Trustees** |     | Class III Trustee*** |
| Brian R. Bruce    |     | Andrea N. Mullins   |     | John Musgrave        |
| John H. Alban     |     |                     |     |                      |

| * | It is currently anticipated that the Class I Trustees will next stand for election at SRV’s 2026 
 annual meeting of shareholders.                                                                  |

| ** | It is currently anticipated that the Class II Trustee will next stand for election at SRV’s 2027 
 annual meeting of shareholders.                                                                  |

| *** | The Class III Trustee is standing for election at the Annual Meeting. |

| (b) | With Respect to NXG: |

The Trustees of NXG are classified
into two classes of Trustees. Set forth below are the current classes of Trustees (assuming the nominees named in this Proxy Statement
are elected):

| Class I Trustees* |     | Class II Trustees** |
| Brian R. Bruce    |     | Andrea N. Mullins   |
| John Musgrave     |     | John H. Alban       |

| * | The Class I Trustees are standing for election at the Annual Meeting. |

| ** | It is currently anticipated that the Class II Trustees will next stand for election at NXG’s 2026 
 annual meeting of shareholders.                                                                   |

Each Trustee nominee, if elected
at the Annual Meeting, will hold office for a term in accordance with his or her respective class or until his or her respective successor
shall have been elected and duly qualified. The other Trustees of each Fund will continue to serve under their current terms and will
stand for re-election at subsequent annual meetings of shareholders as indicated above.

Unless authority is withheld,
it is the intention of the persons named in the proxy to vote the proxy “FOR” the election of each Trustee nominee named in
this Proxy Statement. Each Trustee nominee named in this Proxy Statement has agreed to continue to serve as a Trustee of their respective
Fund if elected at the Annual Meeting. If, however, a designated Trustee nominee declines or otherwise becomes unavailable for election,
the proxy confers discretionary power on the person named therein to vote in favor of a substitute Trust