4919-3617-8299 v.3

EXECUTION VERSION

SECOND AMENDMENT TO REVOLVING CREDIT AGREEMENT

This SECOND AMENDMENT TO REVOLVING CREDIT AGREEMENT (this

“Amendment”), dated as of December 16, 2025, is entered into by and among TCW STEEL CITY SENIOR LENDING BDC, a Delaware statutory trust (formerly known as TCW Steel City Perpetual Levered Fund LP, a Delaware limited partnership) (the “Borrower”), NATIXIS, NEW YORK BRANCH (in its individual capacity, “Natixis”), as administrative agent for the Lenders (in such capacity, the “Administrative Agent”), and the Lenders listed on the signature pages hereof.

RECITALS

WHEREAS, the parties thereto have entered into that certain Revolving Credit Agreement dated as of April 21, 2025, as amended by that certain First Amendment to Revolving Credit Agreement dated as of October 24, 2025 (as may be further amended, restated, modified or supplemented from time to time, the “Credit Agreement”);

WHEREAS, the Borrower has requested an increase to the Maximum Commitment on a temporary basis pursuant to Section 2.17 of the Credit Agreement; and

WHEREAS, the Borrower, Administrative Agent, and the Lenders have agreed, upon the following terms and conditions, to such temporary increase and to amend the Credit Agreement as provided herein.

NOW, THEREFORE, in consideration of the premises and the mutual agreements contained herein and in the Credit Agreement, the parties hereto agree as follows:

Definitions. All capitalized terms not otherwise defined herein are used as defined in the Credit Agreement.

Amendments to the Credit Agreement. On and as of the Amendment Effective Date (as defined below), the Credit Agreement (including the Schedules attached thereto, but excluding the Exhibits attached thereto) is amended by deleting the stricken text (indicated textually in the same manner as the following example: stricken text), adding the double-underlined text (indicated textually in the same manner as the following example: double-underlined text) and moving the green stricken text and double-underlined text (indicated textually in the same manner as the following example: stricken text double-underlined text) as set forth in Annex I attached hereto.

Effectiveness. This Amendment shall become effective subject to Administrative Agent’s receipt of the following (such date, the “Amendment Effective Date”):

4.1

Documentation. This Amendment, duly executed and delivered by the Borrower, Administrative Agent and the Lenders.

4.2

Evidence of Authority. Such certificates of resolutions or other action, incumbency certificates and/or other certificates of Responsible Officers of the Borrower, any Pledgor and General Partner as Administrative Agent may reasonably require to establish the identities of and verify the authority and capacity of each Responsible Officer thereof authorized to act as a Responsible Officer in connection with this Credit Agreement and each Loan Documents to which the Borrower, any Pledgor and General Partner is a party.

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4.3

Constituent Documents. Such evidence as Administrative Agent may reasonably require to verify that the Borrower, any Pledgor and General Partner is duly organized or formed, validly existing, in good standing, including certified copies of each such Person’s Constituent Documents and certificates of good standing.

4.4

Fees and Expenses. Payment by the Borrower of all fees and other amounts due and payable by Borrower to Administrative Agent or Lenders on or prior to the Amendment Effective Date and, to the extent invoiced prior to the Amendment Effective Date, the expenses of Administrative Agent in connection with this Amendment and the transactions contemplated hereby.

Post-Closing Condition. Within 30 days of the Amendment Effective Date (or such other date as Administrative Agent may permit in its sole and absolute discretion), the Borrower shall have delivered to Administrative Agent confirmation letters from each of USAA Pension Trust, Nationwide Life Insurance Company, Nationwide Mutual Insurance Company and Private Credit Fund C LP, in each case duly executed by such Investor and in form and substance reasonably acceptable to Administrative Agent. The failure by the Borrower to perform or cause to be performed such post-closing condition on or before the date applicable thereto shall constitute an immediate Event of Default under the Credit Agreement without giving effect to any notice, cure or grace periods contained in the Credit Agreement.

Representations and Warranties. Borrower hereby represents and warrants to Administrative Agent and Lenders as follows:

6.2

Representations and Warranties. The representations and warranties set forth in the Credit Agreement and in the other Loan Documents are true and correct in all material respects on and as of the Amendment Effective Date with the same force and effect as if made on and as of the Amendment Effective Date (except to the extent that any such representation or warranty expressly relates to an earlier date, in which case, such representation or warranty shall be true and correct in all material respects as of such earlier date).

6.3

No Event of Default. No Event of Default or Default has occurred and is continuing on and as of the Amendment Effective Date.

6.4

Due Authorization. Borrower is duly authorized to execute, deliver and perform this Amendment, and the Credit Agreement, as amended by this Amendment, and each other Loan Document is the legal and binding obligation of Borrower, enforceable against Borrower in accordance with the terms of such Loan Documents, subject to Debtor Relief Laws and equitable principles.

6.5

No Amendments. There have been no amendments to the Constituent Documents of Borrower since the latest delivery or notice thereof by Borrower to Administrative Agent.

Miscellaneous.

7.2

Loan Document. This Amendment is a Loan Document and all references to a “Loan Document” in the Credit Agreement and the other Loan Documents (including, without limitation, all such references in the representations and warranties in the Credit Agreement and the other Loan Documents) shall be deemed to include this Amendment.

7.3

References to the Credit Agreement. Upon the effectiveness of this Amendment, each reference in the Credit Agreement to “this Credit Agreement”, “hereunder”, “hereof”, “herein”, or words of like import shall mean and be a reference to the Credit Agreement as amended hereby, and each reference to the Credit Agreement in any other document, instrument or agreement executed and/or delivered in

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connection with the Credit Agreement shall mean and be a reference to the Credit Agreement as amended hereby.

7.4

No Other Changes. Except as specifically amended by this Amendment, the Credit Agreement and all other documents, instruments and agreements executed and/or delivered in connection therewith shall remain in full force and effect and are hereby ratified and confirmed.

7.5

Governing Law. THIS AMENDMENT AND ANY CLAIMS, CONTROVERSY, DISPUTE OR CAUSE OF ACTION (WHETHER IN CONTRACT OR TORT OR OTHERWISE) BASED UPON, ARISING OUT OF OR RELATING TO THIS AMENDMENT AND THE TRANSACTIONS CONTEMPLATED HEREBY SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.

7.6

Choice of Forum, etc. EACH PARTY HERETO IRREVOCABLY AND UNCONDITIONALLY SUBMITS, FOR ITSELF AND ITS PROPERTY, TO THE NONEXCLUSIVE JURISDICTION OF THE COURTS OF THE STATE OF NEW YORK SITTING IN NEW YORK COUNTY AND OF THE UNITED STATES DISTRICT COURT OF THE SOUTHERN DISTRICT OF NEW YORK, AND ANY APPELLATE COURT FROM ANY THEREOF, IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AMENDMENT, AND EACH PARTY HERETO IRREVOCABLY AND UNCONDITIONALLY AGREES THAT ALL CLAIMS IN RESPECT OF ANY SUCH ACTION, LITIGATION OR PROCEEDING MAY BE HEARD AND DETERMINED IN SUCH NEW YORK STATE COURT OR, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN SUCH FEDERAL COURT. EACH PARTY HERETO AGREES THAT A FINAL JUDGMENT IN ANY SUCH ACTION, LITIGATION OR PROCEEDING SHALL BE CONCLUSIVE AND MAY BE ENFORCED IN OTHER JURISDICTIONS BY SUIT ON THE JUDGMENT OR IN ANY OTHER MANNER PROVIDED BY LAW. NOTHING IN THIS AMENDMENT SHALL AFFECT ANY RIGHT THAT ANY PARTY HERETO MAY OTHERWISE HAVE TO BRING ANY ACTION OR PROCEEDING RELATING TO THIS AMENDMENT AGAINST SUCH PARTY OR ITS RESPECTIVE PROPERTIES IN THE COURTS OF ANY JURISDICTION.

7.7

Successors and Assigns. This Amendment shall be binding upon and shall inure to the benefit of the parties hereto and their respective permitted successors and assigns as provided in the Credit Agreement.

7.8

Headings. Section headings are for convenience of reference only and shall in no way affect the interpretation of this Amendment.

7.9

Counterparts. This Amendment may be executed in any number of counterparts, all of which taken together shall constitute one and the same agreement, and any of the parties hereto may execute this Amendment by signing any such counterpart. Delivery of an executed counterpart of a signature page of this Amendment by facsimile or in electronic (i.e., “pdf” or “tif”) format shall be effective as delivery of a manually executed counterpart of this Amendment.

7.10

Electronic Signatures. This Amendment may be executed using electronic signatures (including, without limitation, facsimile and .pdf) and shall be considered an original, and shall have the same legal effect, validity and enforceability as a manually executed signature, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act. This Amendment may be executed in as many counterparts as necessary or convenient, including both paper and electronic counterparts, but all such counterparts are one and the same Amendment. For the avoidance of doubt, the authorization under this paragraph may include,

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without limitation, use or acceptance by the parties hereto of a manually signed paper communication which has been converted into electronic form (such as scanned into .pdf format), or an electronically signed communication converted into another format, for transmission, delivery and/or retention.

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TCW Steel City Senior Lending BDC 10-K