# EDGAR Filing Document

**Accession Number:** 0000072162
**File Stem:** 0000072162-25-000030
**Filing Date:** 2025-9
**Character Count:** 23084
**Document Hash:** 401f4c73e39c6483da0f636916259f6f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000072162-25-000030.hdr.sgml**: 20250915

**ACCESSION NUMBER**: 0000072162-25-000030

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20250915

**ITEM INFORMATION**: Entry into a Material Definitive Agreement

**ITEM INFORMATION**: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20250915

**DATE AS OF CHANGE**: 20250915

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NL INDUSTRIES INC
- **CENTRAL INDEX KEY:** 0000072162
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL INORGANIC CHEMICALS [2810]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 135267260
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-00640
- **FILM NUMBER:** 251314607

**BUSINESS ADDRESS:**
- **STREET 1:** 5430 LBJ FREEWAY
- **STREET 2:** SUITE 1700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75240-2620
- **BUSINESS PHONE:** 972-233-1700

**MAIL ADDRESS:**
- **STREET 1:** 5430 LBJ FREEWAY
- **STREET 2:** SUITE 1700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75240-2620

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL LEAD CO
- **DATE OF NAME CHANGE:** 19710520

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported)

**September 15, 2025**

**NL Industries, Inc.**

(Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**New Jersey** | &nbsp;&nbsp;**1-640** | &nbsp;&nbsp;**13-5267260** |
| &nbsp;&nbsp;(State or other jurisdiction of incorporation) | &nbsp;&nbsp;(Commission<br>File Number) | &nbsp;&nbsp;(IRS Employer<br>Identification No.) |
| &nbsp;&nbsp;**5430 LBJ Freeway, Suite 1700, Dallas, Texas** | &nbsp;&nbsp;**5430 LBJ Freeway, Suite 1700, Dallas, Texas** | &nbsp;&nbsp;**75240-2620** |
| &nbsp;&nbsp;(Address of principal executive offices) | &nbsp;&nbsp;(Address of principal executive offices) | &nbsp;&nbsp;(Zip Code) |

---

Registrant's telephone number, including area code

**(972) 233-1700**

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| **Title of each class** | **Name of each exchange on which registered** |
| Common stock<br> NL | New York Stock Exchange |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 1.01** | **Entry into a Material Definitive Agreement.** |

---

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| | |
|:---|:---|
| **Item 2.03** | **Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.** |

---

The information disclosed by Kronos Worldwide, Inc., a Delaware corporation and an affiliate of the registrant ("Kronos Worldwide"), under Items 1.01 and 2.03 of the Current Report on Form 8-K dated September 15, 2025 that Kronos Worldwide (File No. 1-31763) filed with the U.S. Securities and Exchange Commission on September 15, 2025 is hereby incorporated herein by reference.

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| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits.** |

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;1<br>|  |  |
| &nbsp;&nbsp;(d) | &nbsp;&nbsp;Exhibits |  |
|  | &nbsp;&nbsp;**Item No.** | &nbsp;&nbsp;**Description** |
|  | &nbsp;&nbsp;10.1 | &nbsp;&nbsp;[Third Supplemental Indenture dated as of September 15, 2025, by and among Kronos International, Inc., the guarantors named therein, and Deutsche Bank Trust Company Americas, as trustee, collateral agent, paying agent, transfer agent and registrar – incorporated by reference to Exhibit 10.1 to Kronos Worldwide, Inc.'s Current Report on Form 8-K filed September 15, 2025](https://www.sec.gov/Archives/edgar/data/1257640/000125764025000034/kro-20250915xex10d1.htm) |
|  | &nbsp;&nbsp;10.2 | &nbsp;&nbsp;[Additional Notes Priority Joinder Agreement dated September 15, 2025, executed by Deutsche Bank Trust Company Americas, as trustee and collateral agent – incorporated by reference to Exhibit 10.2 to Kronos Worldwide, Inc.'s Current Report on Form 8-K filed September 15, 2025](https://www.sec.gov/Archives/edgar/data/1257640/000125764025000034/kro-20250915xex10d2.htm) |
|  | &nbsp;&nbsp;104 | &nbsp;&nbsp;Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | |
|:---|:---|
|  | &nbsp;&nbsp;**NL INDUSTRIES, INC.** |
|  | &nbsp;&nbsp;(Registrant) |
| &nbsp;&nbsp;Date: September 15, 2025 | &nbsp;&nbsp;By: /s/Amy A. Samford&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*Amy A. Samford*<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*Executive Vice President and <br>  Chief Financial Officer* |

---

## Exhibit 10.1

145866520v3

THIRD SUPPLEMENTAL INDENTURE

Third Supplemental Indenture (this "<u>Third Supplemental Indenture</u>"), dated as of September 15, 2025, among Kronos International, Inc., a Delaware corporation (the "<u>Issuer</u>"), the guarantors listed on the signature pages hereto (the "<u>Guarantors</u>"), Deutsche Bank Trust Company Americas, as Trustee (the "<u>Trustee</u>") and as collateral agent (the "<u>Collateral Agent</u>"), and Deutsche Bank Trust Company Americas, as paying agent, transfer agent and registrar.

W I T N E S S E T H

WHEREAS, the Issuer has executed and delivered to the Trustee an indenture, dated as of February 12, 2024 (the "<u>Base Indenture</u>"), as amended, modified or supplemented from time to time, including by (i) a First Supplemental Indenture, dated as of July 30, 2024 (the "<u>First Supplemental Indenture</u>"), and (ii) a Second Supplemental Indenture, dated as of August 8, 2024 (the "<u>Second Supplemental Indenture</u>"; the Base Indenture, the First Supplemental Indenture, the Second Supplemental Indenture, and this Third Supplemental Indenture, together, the "<u>Indenture</u>"), providing for the issuance of the Issuer's 9.50% Senior Secured Notes due 2029 (the "<u>Notes</u>") and pursuant to which the Issuer has previously duly issued Notes in the aggregate principal amount of €351,174,000;

WHEREAS, Section 2.01 of the Base Indenture provides that Additional Notes may be created and issued from time to time under the Indenture by the Issuer without notice to or consent of the Holders and that such Additional Notes shall be consolidated with and form a single class with the Original Notes and shall have the same terms as to status, redemption or otherwise as the Original Notes, subject to the Issuer's compliance with Section 4.03 of the Base Indenture;

WHEREAS, pursuant to Section 9.01(x) of the Base Indenture, the Trustee, the Collateral Agent, the Issuer and the Guarantors are authorized to execute and deliver this Third Supplemental Indenture without the consent of the Holders of the Notes;

WHEREAS, the Issuer and the Guarantors have authorized the execution and delivery of this Third Supplemental Indenture for the purpose of issuing €75,000,000 in aggregate principal amount of Additional Notes (the "<u>New Notes</u>"); and

WHEREAS, the execution and delivery of this Third Supplemental Indenture has been duly authorized by the parties hereto, and all conditions and requirements necessary to make this Third Supplemental Indenture a valid and binding agreement of the Issuer and the Guarantors enforceable in accordance with its terms have been duly performed and complied with.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)<u>Capitalized Terms</u>. Capitalized terms used herein without definition shall have the meanings assigned to them in the Base Indenture.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)<u>Execution and Delivery</u>. The Issuer and each of the Guarantors hereby represents and warrants to and agrees that it has all the requisite corporate power and authority to execute, deliver and perform its obligations under this Third Supplemental Indenture and this Third Supplemental Indenture has been duly and validly executed and delivered and constitutes its legal, valid and binding obligation, enforceable against it in accordance with its terms and the terms of the Indenture.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)<u>New Notes</u>. As of the date hereof, the Issuer will issue, and the Trustee is directed to authenticate and deliver, the New Notes under the Indenture, substantially in the form of Exhibit A to the Base Indenture. The New Notes shall constitute Additional Notes and be governed under the Indenture and executed and delivered in the manner contemplated therein. The New Notes will be issued at an issue price of 105.000%. Interest on the New Notes shall accrue from September 15, 2025, and the first interest payment date shall be March 15, 2026. The New Notes shall initially be evidenced by one or more Global Notes substantially in the form of Exhibit A to the Base Indenture (each a "<u>Global Note</u>"). The Global Notes initially shall (i) be registered in the name of BT Globenet Nominees Limited, (ii) be delivered to the Common Depositary and (iii) bear the Restricted Notes Legend. The Issuer and each Guarantor reaffirms its prior grant of liens on the Notes Collateral pursuant to the Security Documents to secure the New Notes. Each Guarantor reaffirms its Guarantee set forth in <u>Article Ten</u> of the Indenture with regard to such New Notes.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)<u>Governing Law; Jury Trial Waiver</u>. THIS THIRD SUPPLEMENTAL INDENTURE AND THE NEW NOTES SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK (INCLUDING, WITHOUT LIMITATION, SECTION 5-1401 OF THE NEW YORK GENERAL OBLIGATIONS LAW OR ANY SUCCESSOR TO SUCH STATUTE). EACH OF THE ISSUER, THE GUARANTORS, THE TRUSTEE AND THE COLLATERAL AGENT, AND EACH HOLDER OF A NEW NOTE BY ITS ACCEPTANCE THEREOF, HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS THIRD SUPPLEMENTAL INDENTURE, THE NEW NOTES OR THE TRANSACTIONS CONTEMPLATED HEREBY.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5)<u>Counterparts</u>. The parties may sign any number of copies of this Third Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. One signed copy is enough to prove this Third Supplemental Indenture. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes. Counterparts may be delivered via facsimile, electronic mail (including via www.docusign.com and any other electronic signature covered by the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures and Records Act or other applicable law) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6)<u>Effect of Headings</u>. The Section headings herein are for convenience only and shall not affect the construction hereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7)<u>The Trustee and the Collateral Agent</u>. Each of the Trustee and the Collateral Agent accepts the amendment of the Indenture effected by this Third Supplemental Indenture, but only upon the terms and conditions set forth in this Third Supplemental Indenture. Neither the Trustee nor the Collateral Agent shall be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Third Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuer and the Guarantors.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(8)<u>Ratification of Indenture; Third Supplemental Indenture Part of Indenture</u>. Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Third Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby.

[*The remainder of this page has intentionally been left blank*]

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IN WITNESS WHEREOF, the parties hereto have caused this Third Supplemental Indenture to be duly executed, all as of the date first above written.

<u>ISSUER</u>

KRONOS INTERNATIONAL, INC.

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

<u>GUARANTORS</u>

KRONOS WORLDWIDE, INC.

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

KRONOS LOUISIANA, INC.

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

KRONOS (US), INC.

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

LOUISIANA PIGMENT COMPANY, L.P.

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

[*Signature Page to Third Supplemental Indenture*]

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KRONOS LPC, LLC

By:<u>/s/Bryan Hanley</u> 

Name: Bryan Hanley<br>Title: Senior Vice President and Treasurer

[*Signature Page to Third Supplemental Indenture*]

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DEUTSCHE BANK TRUST COMPANY AMERICAS, <br>as Trustee and Collateral Agent

By:<u>/s/Mary Miselis</u> 

Name:Mary Miselis<br>Title:Vice President

By:<u>/s/Peter Bono</u> 

Name:Peter Bono<br>Title:AVP

[*Signature Page to Third Supplemental Indenture*]

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## Exhibit 10.2

ADDITIONAL NOTES PRIORITY JOINDER AGREEMENT

September 15, 2025

The undersigned (the "<u>Additional Notes Priority Agent</u>") is the trustee for the holders of €75,000,000 aggregate principal amount of the Issuer's (as defined below) 9.50% Senior Secured Notes due 2029 issued the date hereof (the "<u>Additional Notes</u>") wishing to become additional "Secured Parties" (the "<u>New Secured Parties</u>" and, together with the New Secured Parties (as defined in that certain Additional Notes Priority Joinder Agreement, dated as of February 12, 2024, and that certain Additional Notes Priority Joinder Agreement, dated as of July 30, 2024 (collectively, the "<u>Prior Joinders</u>"), among the Additional Notes Priority Agent, the Grantors party thereto and the Agent), the "<u>New Notes Secured Parties</u>") under the Pledge Agreement dated as of September 13, 2017 (as heretofore amended and/or supplemented, the "<u>Pledge Agreement</u>" (terms used without definition herein have the meanings assigned to such terms by the Pledge Agreement)), by and among each of the parties listed on the signature pages thereto and those additional entities that thereafter become parties thereto (collectively, jointly and severally, "<u>Grantors</u>" and each, individually, a "<u>Grantor</u>") and **DEUTSCHE BANK TRUST COMPANY AMERICAS**, in its capacity as collateral agent for the Secured Parties (in such capacity, together with its successors and assigns in such capacity, "<u>Agent</u>").

In consideration of the foregoing, the undersigned hereby:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)represents that the Additional Notes Priority Agent has been authorized by the New Secured Parties to become a party to the Pledge Agreement on behalf of the New Secured Parties under that certain Indenture, dated as of February 12, 2024 (the "<u>Base Indenture</u>"), as supplemented by (i) a First Supplemental Indenture, dated as of July 30, 2024 (the "<u>First Supplemental Indenture</u>"), (ii) a Second Supplemental Indenture, dated as of August 8, 2024 (the "<u>Second Supplemental Indenture</u>" and, together with the Base Indenture and the First Supplemental Indenture, the "<u>Existing Indenture</u>"), and (iii) a Third Supplemental Indenture, dated as of September 15, 2025 (the "<u>Third Supplemental Indenture</u>" and, together with the Existing Indenture, the "<u>Indenture</u>"), by and among Kronos International, Inc. (the "<u>Issuer</u>"), each of the guarantors identified therein, and Deutsche Bank Trust Company Americas, as trustee, collateral agent, paying agent, transfer agent and registrar (the obligations under such Additional Notes Priority Agreement and the Additional Notes issued pursuant thereto, the "<u>Additional Obligations</u>" and, together with the Additional Obligations (as defined in the Prior Joinders), the "<u>Additional Notes Obligations</u>") and to act as the Additional Notes Priority Agent for the New Secured Parties;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)(a) acknowledges that the Additional Notes Priority Agent is already a party to the Pledge Agreement, (b) agrees to act under the Pledge Agreement as an "Additional Notes Priority Agent" (as defined in the Pledge Agreement) for the New Notes Secured Parties from time to time in respect of the Additional Notes Obligations, (b) agrees, for itself and on behalf of the New Notes Secured Parties from time to time in respect of the Additional Notes Obligations, to all the terms and provisions of the Pledge Agreement and (c) shall have all the rights and obligations of an Additional Notes Priority Agent under the Pledge Agreement with respect to the New Notes Secured Parties. For the avoidance of

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doubt, the parties hereto acknowledge and agree that (A) the Additional Notes Priority Agent is serving as trustee and as Additional Notes Priority Agent in respect of both the Additional Obligations and the Additional Obligations (as defined in the Prior Joinders), which are obligations under the same Additional Notes Priority Debt Documents; (B) the indentures referenced in the Prior Joinders and the Indenture are the same Additional Notes Priority Agreements; (C) the notes whose obligations constitute Additional Obligations (as defined in the Prior Joinders) and the Additional Notes are a single series of notes under the Indenture; and (D) the Additional Notes Priority Agent is a single trustee serving under both this Additional Notes Priority Joinder Agreement and the Prior Joinders for the New Notes Secured Parties in respect of the Additional Notes Obligations.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)acknowledges that the Additional Notes Priority Agent and New Secured Parties have received a copy of the Pledge Agreement;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)irrevocably appoints and authorizes the Agent to take such action as agent on its behalf and to exercise such powers under the Pledge Agreement as are delegated to the Pledgee by the terms thereof, together with all such powers as are reasonably incidental thereto; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v)accepts and acknowledges the terms of the Pledge Agreement applicable to it and the New Secured Parties and agrees to serve as Additional Notes Priority Agent for the New Secured Parties with respect to the Additional Obligations and agrees on its own behalf and on behalf of the New Secured Parties to be bound by the terms hereof applicable to holders of Additional Obligations, with all the rights and obligations of a Secured Party thereunder and bound by all the provisions thereof as fully as if it had been a Secured Party on the effective date of the Pledge Agreement.

The name and address of the representative for purposes of <u>Section 29</u> of the Pledge Agreement are as follows:

Deutsche Bank Trust Company Americas<br>Trust and Agency Services<br>1 Columbus Circle, 4th Floor<br>Mail Stop: NYC01-0417<br>New York, New York 10019<br>USA<br>Attn: Corporates Team, Kronos International Inc, AA6131<br>Facsimile: (732) 578-4635

[*Signature Pages Follow*]

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IN WITNESS WHEREOF, the undersigned has caused this Additional Notes Priority Joinder Agreement to be duly executed by its authorized officer as of the date first written above.

DEUTSCHE BANK TRUST COMPANY AMERICAS,

as Trustee for the Additional Obligations,

as Additional Notes Priority Agent

By:<u>/s/Mary Miselis</u> **<br> Name:Mary Miselis<br>Title:Vice President

By:<u>/s/Peter Bono</u> **<br> Name:Peter Bono<br>Title:AVP

[Signature Page to Joinder to Pledge Agreement]

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Accepted and Agreed to:<br>DEUTSCHE BANK TRUST COMPANY AMERICAS,<br>in its capacity as Agent

By:<u>/s/Mary Miselis</u> **<br> Name: Mary Miselis<br>Title: Vice President

By:<u>/s/Peter Bono</u> **<br> Name: Peter Bono<br>Title: AVP

[Signature Page to Joinder to Pledge Agreement]

------