Material Agreement, Management Change/Compensation (Form 8-K)

On January 15, 2026, New Mountain Guardian IV Income Fund SPV, L.L.C. ("GIV Income SPV"), wholly owned subsidiary of New Mountain Guardian IV Income Fund, L.L.C. (the "Company") for which the Company is the managing member, entered into a Loan and Security Agreement (together with the exhibits and schedules thereto, the "Loan Agreement") by and among the Company, as seller, as equityholder and as collateral manager, Wells Fargo Bank, National Association, as the administrative agent and swingline lender, Western Alliance Trust Company, N.A., as the collateral custodian and GIV Income SPV, as the borrower (the "Wells Fargo Credit Facility"). The Wells Fargo Credit Facility will mature in January 2031 and has a maximum facility amount of $50 million.

The foregoing description of the Loan Agreement is qualified in its entirety by reference to a copy of such agreement, which will be filed as an exhibit to the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2025.

The disclosure set forth above under Item 1.01 is incorporated by reference herein.

On January 15, 2026, Alfred F. Hurley, Jr. notified the Board of Directors of the Company (the "Board") of his decision to retire from his position as a director of the Company. Mr. Hurley has served as a member of the Board since 2022. Mr. Hurley's retirement is not the result of any disagreement with the Company.

In order to fill the vacancy created by Mr. Hurley's retirement, the Board appointed Daniel B. Hébert as a director of the Company, effective as of January 15, 2026. In connection with his appointment, Mr. Hébert will also serve as a member of the Audit Committee, Nominating and Corporate Governance Committee, and Valuation Committee of the Board. Mr. Hébert, age 69, currently serves as Chief Executive Officer of 777 Securities, LLC, a registered broker-dealer, since September 2018. He was Co-Founder, Chief Operating Officer and Chief Compliance Officer of Vision One Management Partners, LP, a registered investment advisor, from 2022 to 2024. He served as Chief Executive Officer of Bernstein Hébert Securities, a registered broker-dealer, from September 2018 to June 2020, and as Chief Operating Officer of Bernstein Equity Partners, LLC, a family office and investment banking boutique, from May 2017 to June 2020. Mr. Hébert has also served as a director of New Mountain Private Credit Fund since 2024 and has served as a Class III Director of New Mountain Finance Corporation since 2019.

There is no arrangement or understanding between Mr. Hébert and any other persons pursuant to which Mr. Hébert was selected as a director. There are no family relationships between Mr. Hébert and any director, executive officer or person nominated or chosen by the Company to become a director or executive officer of the Company within the meaning of Item 401(d) of Regulation S-K under the Securities Act of 1933, as amended ("Regulation S-K"). Mr. Hébert is not a party to any transaction, or any proposed transaction, required to be disclosed pursuant to Item 404(a) of Regulation S-K.