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KRONOS WORLDWIDE INC

For the period ended Dec 31, 2025. Filed Mar 9, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 9, 2026

KRO$8.22+1.6%Stored close · as of Nov 10, 2026

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Contents

Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) and (c)​ ​Financial Statements
​​The Registrant
​​The Consolidated Financial Statements of the Registrant listed on the accompanying Index of Financial Statements (see page F-1) are filed as part of this Annual Report. 50%-or-less owned persons We are not required to provide any consolidated financial statements pursuant to Rule 3-09 of Regulation S-X.
(b)​Exhibits
​​Included as exhibits are the items listed in the Exhibit Index. We will furnish a copy of any of the exhibits listed below upon payment of $4.00 per exhibit to cover our costs to furnish the exhibits. Pursuant to Item 601(b)(4)(iii) of Regulation S-K, any instrument defining the rights of holders of long-term debt issues and other agreements related to indebtedness which do not exceed 10% of consolidated total assets as of December 31, 2025 will be furnished to the Commission upon request.
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Item No.​ ​Exhibit Index
3.1+​Restated First Amended and Restated Certificate of Incorporation of Kronos Worldwide, Inc., as amended on May 12, 2011 – incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K filed on May 12, 2011.
3.2​Amended and Restated Bylaws of Kronos Worldwide, Inc. as of October 25, 2023 – incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on October 25, 2023.
4.1​Description of the Registrant’s Capital Stock – incorporated by reference to Exhibit 4.1 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2019.
10.1​Tax Agreement between Valhi, Inc. and Kronos Worldwide, Inc. dated as of January 1, 2020 – incorporated by reference to Exhibit 10.1 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2019.
10.2​Intercorporate Services Agreement by and between Contran Corporation and Kronos Worldwide, Inc., effective as of January 1, 2004 – incorporated by reference to Exhibit 10.1 to the Quarterly Report on Form 10-Q of the Registrant for the quarter ended March 31, 2004.
10.3*​Kronos Worldwide, Inc. 2012 Director Stock Plan – incorporated by reference to Exhibit 4.4 of the Registration statement on Form S-8 of the Registrant.
10.4​Lease Contract, dated June 21, 1952, between Farbenfabriken Bayer Aktiengesellschaft and Titangesellschaft mit beschrankter Haftung (German language version and English translation thereof)- incorporated by reference to Exhibit 10.14 to the Annual Report on Form 10-K (File No. 001-00640) of NL Industries, Inc. for the year ended December 31, 1985. (P)
10.5​Form of Assignment and Assumption Agreement, dated as of January 1, 1999, between Kronos Inc. (formerly known as Kronos (USA), Inc.) and Kronos International, Inc. – incorporated by reference to Exhibit 10.9 to Kronos International, Inc.’s Registration Statement on Form S-4 (File No. 333-100047). (P)
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Item No.​Exhibit Index
10.6​Form of Cross License Agreement, effective as of January 1, 1999, between Kronos Inc. (formerly known as Kronos (USA), Inc.) and Kronos International, Inc. – incorporated by reference to Exhibit to Kronos International, Inc.’s Registration Statement on Form S-4 (File No. 333-100047). (P)
10.7​Second Amended and Restated Agreement Regarding Shared Insurance among CompX International Inc., Contran Corporation, Kronos Worldwide, Inc., NL Industries, Inc., and Valhi, Inc. dated January 25, 2019 – incorporated by reference to Exhibit 10.16 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2018.
10.8​Restated and Amended Agreement by and between Richards Bay Titanium (Proprietary) Limited (acting through its sales agent Rio Tinto Iron & Titanium Limited) and Kronos (US), Inc. effective January 1, 2016 – incorporated by reference to Exhibit 10.26 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2015.
10.9​Indenture, dated as of February 12, 2024, 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 4.2 to the Current Report on Form 8 K filed by the Registrant on February 12, 2024.
10.9.1​First Supplemental Indenture dated as of July 30, 2024, 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 the Current Report on Form 8-K filed by the Registrant on July 30, 2024.
10.9.2​Second Supplemental Indenture dated as of August 8, 2024, among Louisiana Pigment Company, L.P. and Kronos LPC, LLC (as new guarantors under the Indenture dated as of February 12, 2024, as amended), Kronos International, Inc., and Deutsche Bank Trust Company Americas, as trustee, collateral agent, paying agent, transfer agent and registrar – incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.
10.9.3​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 the Current Report on Form 8-K filed by the Registrant on September 15, 2025.
10.10.1​Pledge Agreement, dated as of September 13, 2017, among Kronos International, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as collateral agent – incorporated by reference to Exhibit 4.2 to the Current Report on From 8-K dated September 13, 2027, and filed by the Registrant on September 13, 2017.
10.10.2​Additional Notes Priority Joinder Agreement dated February 12, 2024, executed by Deutsche Bank Trust Company Americas, as trustee and collateral agent for the holders of Kronos International, Inc.’s 9.50% Senior Secured Notes due 2029 and as existing agent under the Pledge Agreement dated September 13, 2017 entered into in connection with Kronos International Inc.’s 3.75% Senior Secured Notes due 2025 – incorporated by reference to Exhibit 4.4 to the Current Report on Form 8 K filed by the Registrant on February 12, 2024.
10.10.3​Additional Notes Priority Joinder Agreement dated July 30, 2024, executed by Deutsche Bank Trust Company Americas, as trustee and collateral agent – incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by the Registrant on July 30, 2024.
10.10.4​Pledge Amendment dated as of August 8, 2024, to the Pledge Agreement dated as of September 13, 2017, executed by Kronos Louisiana, Inc. and Kronos LPC, LLC regarding additional pledged securities – incorporated by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on From 10-Q for the quarter ended September 30, 2024.
10.10.5​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 the Current Report on Form 8-K filed by the Registrant on September 15, 2025.
10.11​Credit Agreement dated as of April 20, 2021, by and among the Company, Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH and Wells Fargo Bank, National Association as administrative agent and lender – incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2021.
10.11.1​First Amendment to Credit Agreement dated May 8, 2023, among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association, as administrative agent, and the lenders a party thereto – incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on May 9, 2023.
10.11.2​Second Amendment to Credit Agreement dated July 17, 2024 among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association as administrative agent and the lenders a party thereto – incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by the Registrant on July 17, 2024.
10.11.3​Third Amendment to Credit Agreement dated December 19, 2024 among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association, as administrative agent, and the lenders a party thereto – incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on December 19, 2024.
10.11.4​Fourth Amendment to Credit Agreement dated July 17, 2025 among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association, as administrative agent, and the lenders a party thereto – incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on July 17, 2025.
10.11.5**​Fifth Amendment to Credit Agreement dated December 2, 2025 among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association, as administrative agent, and the lenders a party thereto.
10.12​Guaranty and Security Agreement dated as of April 20, 2021, by and among the Company, Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos International, Inc. and Wells Fargo Bank, National Association as administrative agent and lender – incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2021.
10.12.1​First Amendment to Guaranty and Security Agreement, entered into as of July 17, 2024, by and among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos International, Inc. and Wells Fargo Bank, National Association as administrative agent and lender, amending Guaranty and Security Agreement dated as of April 20, 2021 – incorporated by reference to Exhibit 10.5 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.
10.12.2​Joinder No. 1 dated as of August 7, 2024, joining Louisiana Pigment Company, L.P. and Kronos LPC, LLC to the Guaranty and Security Agreement dated as of April 20, 2021, as amended – incorporated by reference to Exhibit 10.6 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.
10.13​Unsecured Subordinated Term Promissory Note dated February 12, 2024, in the principal amount of $53,705,000 executed by Kronos Worldwide, Inc. and the guarantors named therein and payable to the order of Contran Corporation – incorporated by reference to Exhibit 4.5 to the Current Report on Form 8 K filed by the Registrant on February 12, 2024.
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10.12.1​First Amendment to Credit Agreement dated May 8, 2023, among Kronos Worldwide, Inc., Kronos Louisiana, Inc., Kronos (US), Inc., Kronos Canada, Inc., Kronos Europe NV, Kronos Titan GmbH, Wells Fargo Bank, National Association, as administrative agent, and the lenders a party thereto – incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on May 9, 2023.
Item No.​Exhibit Index
10.13.1​First Amendment to Unsecured Subordinated Term Promissory Note dated February 12, 2024, executed by Kronos Worldwide, Inc. and Contran Corporation as of August 7, 2024 – incorporated by reference to Exhibit 10.6 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2024.
10.14​Purchase and Sale Agreement dated July 16, 2024 by and between Kronos Louisiana, Inc., Kronos Worldwide, Inc., Venator Investments, Ltd. and Venator Materials PLC – incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on July 17, 2024.
10.14.1​Amendment to Purchase and Sale Agreement dated August 13, 2024, by and between Kronos Louisiana, Inc., Kronos Worldwide, Inc., Venator Investments, Ltd., Venator Materials PLC. and Louisiana Pigment Company, L.P, amending Purchase Agreement dated as of July 16, 2024 – incorporated by reference to Exhibit 10.7 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.
19.1​Kronos Worldwide, Inc. Insider Trading Policy – incorporated by reference to Exhibit 19.1 of the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2024 filed on March 6, 2025.
21.1**​Subsidiaries.
23.1**​Consent of PricewaterhouseCoopers LLP.
31.1**​Certification.
31.2**​Certification.
32.1**​Certification.
97*​Policy of the Recovery of Erroneously Awarded Compensation incorporated by reference to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2023.
101.INS**​Inline XBRL Instance - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH**​Inline XBRL Taxonomy Extension Schema
101.CAL**​Inline XBRL Taxonomy Extension Calculation Linkbase
101.DEF**​Inline XBRL Taxonomy Extension Definition Linkbase
101.LAB**​Inline XBRL Taxonomy Extension Label Linkbase
101.PRE**​Inline XBRL Taxonomy Extension Presentation Linkbase
104​Cover page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
+Exhibit 3.1 is restated for the purposes of the disclosure requirements of Item 601 of Regulation S-K promulgated by the U.S. Securities and Exchange Commission and does not represent a restated certificate of incorporation that has been filed with the Delaware Secretary of State.
*Management contract, compensatory plan or arrangement
**Filed herewith
(P)Paper exhibits

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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​Kronos Worldwide, Inc.
​(Registrant)
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​​​
​By:/s/ Brian W. Christian
​​Brian W. Christian, March 9, 2026
​​(President and Chief Executive Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated:

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/s/ Loretta J. Feehan​ ​ ​/s/ John E. Harper
Loretta J. Feehan, March 9, 2026​John E. Harper, March 9, 2026
(Chair of the Board (non-executive))​(Director)
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/s/ Michael S. Simmons​/s/ Kevin B. Kramer
Michael S. Simmons, March 9, 2026​Kevin B. Kramer, March 9, 2026
(Vice Chairman of the Board)​(Director)
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/s/ Brian W. Christian​/s/ Meredith W. Mendes
Brian W. Christian, March 9, 2026​Meredith W. Mendes, March 9, 2026
(President and Chief Executive Officer)​(Director)
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/s/ Bradley E. Troutman​/s/ Cecil H. Moore, Jr.
Bradley E. Troutman, March 9, 2026​Cecil H. Moore, Jr., March 9, 2026
(Senior Vice President and Chief Financial Officer,​(Director)
Principal Financial Officer)​​
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/s/ Bryan S. Bell​/s/ R. Gerald Turner
Bryan S. Bell, March 9, 2026​R. Gerald Turner, March 9, 2026
(Vice President and Controller, Global Finance)​(Director)

KRONOS WORLDWIDE, INC.

Annual Report on Form 10-K

Items 8, 15(a) and 15(c)

Index of Financial Statements

​​
Financial StatementsPage
Report of Independent Registered Public Accounting Firm (PCAOD ID 238)F-2
Consolidated Balance Sheets – December 31, 2024 and 2025F-4
Consolidated Statements of Operations – Years ended December 31, 2023, 2024 and 2025F-6
Consolidated Statements of Comprehensive Income (Loss) – Years ended December 31, 2023, 2024 and 2025F-7
Consolidated Statements of Stockholders’ Equity – Years ended December 31, 2023, 2024 and 2025F-8
Consolidated Statements of Cash Flows – Years ended December 31, 2023, 2024 and 2025F-9
Notes to Consolidated Financial StatementsF-11

All financial statement schedules have been omitted either because they are not applicable or required, or the information that would be required to be included is disclosed in the Notes to the Consolidated Financial Statements.

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