Company: SSUP
Filing Date: 2025-08-15
Form Type: DEFM14A
Source: 0001140361-25-031532
Chunk: 363

Company: SUPERIOR INDUSTRIES INTERNATIONAL INC
Filing Date: 2025-08-15
Form: DEFM14A
Chunk 363
---
 the Term Loan Obligations set forth below its name on the signature page hereto, the Joining Party hereby makes the representations and warranties of the Consenting Term Loan Lenders set forth in the Agreement to each other Party to the Agreement.

3. Governing Law . This Joinder Agreement shall be governed by and construed in accordance with the internal laws of the State of New York, without regard to any conflict of laws provisions that would require the application of the law of any other jurisdiction.

<div align='center'>[ Signature Page Follows]

D-53</div>

TABLE OF CONTENTS

IN WITNESS WHEREOF, the Joining Party has caused this Joinder to be executed as of the date first written above. CONSENTING TERM LOAN LENDER

| [•]                                          |
| By:                                          |
| Name:                                        |
| Title:                                       |
| Principal Amount of Term Loan Obligations: $ |
| Other Claims: $                              |
| Other Interests: $                           |
| Notice Address:                              |
| Fax:                                         |
| Attention:                                   |
| Email:                                       |

| Acknowledged:                          |
| SUPERIOR INDUSTRIES INTERNATIONAL, INC |
| By:                                    |
| Name:                                  |
| Title:                                 |

D-54

#### TABLE OF CONTENTS

### EXHIBIT C

### TPG JOINDER AGREEMENT
This Joinder Agreement (“

#### Joinder Agreement
”) to the Recapitalization Support Agreement, dated as of July 8, 2025 (as amended, supplemented, or otherwise modified from time to time, the “

#### Agreement
”), by and among the Company and certain holders of Term Loan Obligations (together with their respective successors and permitted assigns, the “

#### Consenting Term Loan Lenders
” and each, a “

#### Consenting Term Loan Lender
”) is executed and delivered by TPG Growth III Sidewall, L.P. (the “

#### Joining Party
”) as of July 8, 2025. Each capitalized term used herein but not otherwise defined shall have the meaning set forth in the Agreement.

1. Agreement to be Bound . The Joining Party hereby agrees to be bound, effective immediately upon the termination of the Merger Agreement (the “

#### Joinder Effective Time
”), by all of the terms of the Agreement, a copy of which is attached to this Joinder Agreement as

#### Annex I
(as the same has been or may