UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. ____ )

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Preliminary Proxy Statement

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Definitive Proxy Statement

X Definitive Additional Materials

Soliciting Material Pursuant to Section 240.14a-12

Salient Midstream & MLP Fund

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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SHAREHOLDERS OF SALIENT MIDSTREAM & MLP FUND

Dear Fellow Shareholder:

Salient Midstream & MLP Fund (the “Fund”) will hold its Annual Meeting of Shareholders on Tuesday, June 28^th at 3:00pm Central Daylight Time.

If you have not already done so, please support your Fund and take a few minutes today to vote your shares on the WHITE proxy card “FOR” the Fund’s incumbent Trustee nominees.

The Fund has been a leading performer among peer funds and has increased its distribution rate considerably over the last year period.

We urge you NOT TO VOTE using any GOLD proxy card sent to you by Saba Capital Management, L.P. and certain of its affiliates (“Saba”). Please VOTE using only the Fund’s WHITE proxy card. Even if you have already voted on a GOLD proxy card, we urge you to vote again now using the Fund’s WHITE proxy card. ONLY YOUR LATEST DATED PROXY CARD SUBMISSION WILL COUNT.

The Fund and your incumbent Trustee nominees have a demonstrated history of delivering significant value to shareholders and generating strong performance.

VOTE NOW TO SUPPORT YOUR FUND

Whether or not you plan to attend the Annual Meeting, and regardless of the number of shares you own, we urge you to vote on the enclosed WHITE proxy card “FOR” your Fund’s incumbent Board nominees.

Sincerely,

Gregory A. Reid

President

If you have any questions, or need assistance

voting your WHITE proxy card, please contact:

1212 Avenue of the Americas, 24th Floor

New York, NY 10036

Telephone for Banks, Brokers, and International Shareholders: +1 212-297-0720

Shareholders may call toll-free (from the U.S. and Canada): 888-785-6617

Email: info@okapipartners.com