Company: NMFCZ
Filing Date: 2025-04-07
Form Type: 40-APP/A
Source: 0001104659-25-032649
Chunk: 23

Company: New Mountain Finance Corp
Filing Date: 2025-04-07
Form: 40-APP/A
Chunk 23
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and certificates, the payment of any fees and expenses or the engagement of such persons or the taking by them of any action in connection
with the foregoing matters shall conclusively establish the Authorized Officers’ authority therefore and the authorization, acceptance,
adoption, ratification, approval and confirmation by the Company thereof.

<div align='center'>19</div>

Exhibit B.4

<div align='center'>RESOLUTIONS OF THE BOARD OF DIRECTORS OF

NEW MOUNTAIN GUARDIAN IV INCOME FUND, L.L.C.</div>

WHEREAS,
the Board believes it is in the best interests of the Company to file an application with the U.S. Securities and Exchange Commission
(the “SEC”) for an order pursuant to Sections 17(d) and 57(i) of the Investment Company Act of 1940,
as amended (the “1940 Act”), and Rule 17d–1 promulgated thereunder (the “Application”),
to authorize the entering into of certain joint transactions and co-investments by the Company with certain entities which may be deemed
to be “affiliates” of the Company pursuant to the provisions of the 1940 Act, which such joint transactions and co-investments
would otherwise be prohibited by Sections 17(d) and 57(a)(4) of the 1940 Act and Rule 17d–1 promulgated thereunder,
all as more fully set forth in the draft Application that has been presented to the Board; and

WHEREAS,
the Board has previously reviewed the Application.

NOW THEREFORE, BE IT RESOLVED, that the Chief Executive Officer, President, Chief Operating Officer, Chief Financial Officer,
Chief Compliance Officer, and the Secretary of the Company (each, an “Authorized Officer” and collectively,
the “Authorized Officers”) be, and they hereby are, authorized, empowered and directed, in the name and on
behalf of the Company, to prepare or cause to be prepared, executed, delivered and filed with the SEC the Application, and to do or cause
to be done such other acts or things and execute such other documents, including amendments to the Application, as they deem necessary
or desirable, with the advice of counsel, to cause the Application to conform to comments received from the Staff of the SEC and otherwise
deemed necessary or advisable, including changes that may be required to comply with the 1940 Act and the rules and regulations
promulgated thereunder, in such form and accompanied