KRO / Kronos Worldwide, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

KRONOS WORLDWIDE, INC. PRICES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029

KRONOS WORLDWIDE, INC. PRICES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029 DALLAS, TEXAS – September 3, 2025 – Kronos Worldwide, Inc. (NYSE: KRO) (the “Company”) announced today that its wholly-owned subsidiary, Kronos International, Inc. (“KII”), has agreed to sell €75 million aggregate principal amount of additional 9.50% Senior Secured Notes due 2029 (the

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 3, 2025 KRONOS WORLDWIDE

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 3, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

KRONOS WORLDWIDE, INC. ANNOUNCES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029

KRONOS WORLDWIDE, INC. ANNOUNCES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029 DALLAS, TEXAS – September 3, 2025 – Kronos Worldwide, Inc. (NYSE: KRO) (the “Company”) announced today that it is seeking to raise debt capital through a private offering of €75 million aggregate principal amount of additional 9.50% Senior Secured Notes due 2029 (the “Notes”) by it

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 3, 2025 KRONOS WORLDWIDE

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 3, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2025 RESULTS

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2025 RESULTS DALLAS, TEXAS…August 6, 2025…Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $9.2 million, or $.08 per share, in the second quarter of 2025 compared to net income of $19.5 million, or $.17 per share, in the second quarter of 2024. For the first six months of 2025, Kronos Worldwide reported net income of $8.9 million, or $.08

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) August 6, 2025 KRONOS WORLDWIDE, I

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) August 6, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incor

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – August 6, 2025 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of five cents ($0.05) per share on its common stock, payable on September 18, 2025 to stockholders of record at the close of business on September 5, 2025. Kronos Worldwide, Inc. is a major internatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS

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) July 17, 2025 KRONOS WORLDWIDE, IN

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) July 17, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

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 dated July 17, 2025 and filed by Kronos Worldwide, Inc. (File No. 1-31763) on July 17, 2025

Exhibit 10.1 FOURTH AMENDMENT TO CREDIT AGREEMENT THIS FOURTH AMENDMENT TO CREDIT AGREEMENT (this "Amendment") is entered into as of July 17, 2025, by and among the lenders, other than the New Lender (as hereinafter defined) identified on the signature pages hereof ("Existing Lenders"), WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as administrative agent for the Lenders

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) May 14, 2025 KRONOS WORLDWIDE, INC

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) May 14, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpo

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 14, 2025 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of five cents ($0.05) per share on its common stock, payable on June 18, 2025 to stockholders of record at the close of business on June 9, 2025. Kronos Worldwi

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) May 7, 2025 KRONOS WORLDWIDE, INC.

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) May 7, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONO

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2025 RESULTS

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2025 RESULTS DALLAS, TEXAS…May 7, 2025…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $18.1 million, or $.16 per share, in the first quarter of 2025 compared to net income of $8.1 million, or $.07 per share, in the first quarter of 2024. Net income increased in the first quarter of 2025 as compared to the first quarter of 2024 primarily

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 14, 2025 5430 LBJ Freeway, Suite 350, Dallas, Texas 75240-2620

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ☐ Definitive Proxy Stateme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ⌧ Filed by a Party other than the Registrant: ◻ Check the appropriate box: ◻Preliminary Proxy Statement ◻ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ⌧Definiti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exac

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) March 6, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

Kronos Worldwide, Inc. Insider Trading Policy

‌Exhibit 19.1 Adopted February 26, 2025 Kronos Worldwide, Inc. Insider Trading Policy 1.Purpose The board of directors of Kronos Worldwide, Inc. has adopted this Insider Trading Policy (the “Policy”) to promote compliance with U.S. federal, state and foreign securities laws that prohibit certain persons who are aware of material nonpublic information about a company from: (i) engaging in transacti

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2024(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2024 RESULTS

KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2024 RESULTS DALLAS, TEXAS…March 6, 2025…Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $13.2 million, or $.12 per share, in the fourth quarter of 2024 compared to a net loss of $5.3 million, or $.05 per share, in the fourth quarter of 2023. For the full year of 2024, Kronos Worldwide reported net income of $86.2 million, or $.75 per sh

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) February 26, 2025 KRONOS WORLDWIDE

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) February 26, 2025 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – February 26, 2025 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of five cents ($0.05) per share on its common stock, payable on March 20, 2025 to stockholders of record at the close of business on March 11, 2025. Kronos Worldwide, Inc. is a major international

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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) December 19, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

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.

THIRD AMENDMENT TO CREDIT AGREEMENT THIS THIRD AMENDMENT TO CREDIT AGREEMENT (this "Amendment") is entered into as of December 19, 2024, by and among the lenders identified on the signature pages hereof ("Lenders"), WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as administrative agent for the Lenders (in such capacity, together with its successors and assigns in such capacity, "Agent"), KRONOS WORLDWIDE, INC.

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 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

138087025v.3 Exhibit 10.6 Execution Version 138087025v.4 JOINDER NO. 1 Joinder No. 1 (this "Joinder"), dated as of August 7, 2024, to the Guaranty and Security Agreement, dated as of April 20, 2021 (as amended by that certain First Amendment to Guaranty and Security Agreement dated July 17, 2024, and as further amended, restated, supplemented, or otherwise modified from time to time, the "Guaranty

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) November 6, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

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 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Exhibit 10.5 FIRST AMENDMENT TO GUARANTY AND SECURITY AGREEMENT This First Amendment to the Guaranty and Security Agreement (this "Amendment") is entered into as of July 17, 2024, by and among WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association ("Wells Fargo") in its capacity as administrative agent for each member of the Lender Group and the Bank Product Providers (in such capa

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 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Exhibit 10.4 Certain information identified by “[***]” has been excluded from this exhibit because it is both not material and is the type that the company treats as private or confidential. 138005477v.3 PLEDGE AMENDMENT This Pledge Amendment, dated as of August 8, 2024, is delivered pursuant to Section 9(a) of the Pledge Agreement (as amended, amended and restated, supplemented or otherwise modif

Joinder No. 1 dated as of August 8, 2024, to the Pledge Agreement dated as of September 13, 2017, joining Louisiana Pigment Company, L.P. and Kronos LPC, LLC to the Pledge Agreement – incorporated by reference to Exhibit 10.3 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Certain information identified by “[***]” has been excluded from this exhibit because it is both not material and is the type that the company treats as private or confidential.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 K

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 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Exhibit 10.2 138005002v.2 SECOND SUPPLEMENTAL INDENTURE SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of August 8, 2024, among the new guarantors named in the signature pages hereto (the “Guarantors”), Kronos International, Inc., a Delaware corporation (the “Issuer”), and Deutsche Bank Trust Company Americas, as trustee (the “Trustee”) under the Indenture dated as of Febr

KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2024 RESULTS

KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2024 RESULTS DALLAS, TEXAS…November 6, 2024…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $71.8 million, or $.62 per share, in the third quarter of 2024 compared to a net loss of $20.4 million, or $.18 per share, in the third quarter of 2023. For the first nine months of 2024, Kronos Worldwide reported net income of $99.4 million, or $.

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 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Exhibit 10.7 AMENDMENT TO PURCHASE AND SALE AGREEMENT This Amendment (this “Amendment”) to the Purchase Agreement (defined below) is made effective as of 13/8/2024 (the “Effective Date”), by and between Kronos Louisiana, Inc., a corporation organized under the laws of the State of Delaware (“Kronos Partner”), Kronos Worldwide, Inc., a corporation organized under the laws of the State of Delaware (

Supplemental Indenture No. 2, 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 September 13, 2017, 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 10.1 of Kronos Worldwide, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2024.

Exhibit 10.1 138006043v.3 SUPPLEMENTAL INDENTURE NO. 2 SUPPLEMENTAL INDENTURE NO. 2 (this “Supplemental Indenture”), dated as of August 8, 2024, among the new guarantors named in the signature pages hereto (the “Guarantors”), Kronos International, Inc., a Delaware corporation (the “Issuer”), and Deutsche Bank Trust Company Americas, as trustee (the “Trustee”) under the Indenture dated as of Septem

Regulation FD Disclosure, Financial Statements and Exhibits

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) October 30, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – October 30, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of five cents ($0.05) per share on its common stock, payable on December 12, 2024 to stockholders of record at the close of business on November 29, 2024. Kronos Worldwide, Inc. is a major internati

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.

Exhibit 10.6 FIRST AMENDMENT TO UNSECURED SUBORDINATED TERM PROMISSORY NOTE THIS FIRST AMENDMENT TO UNSECURED SUBORDINATED TERM PROMISSORY NOTE this (“Amendment”), dated as of August 7, 2024 (the “Effective Date”), is by and among KRONOS WORLDWIDE, INC., a Delaware corporation (“Borrower”), and CONTRAN CORPORATION, a Delaware corporation (“Noteholder”). Terms used in this Amendment and not otherwi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2024 RESULTS

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2024 RESULTS DALLAS, TEXAS…August 7, 2024…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $19.5 million, or $.17 per share, in the second quarter of 2024 compared to a net loss of $8.2 million, or $.07 per share, in the second quarter of 2023. For the first six months of 2024, Kronos Worldwide reported net income of $27.6 million, or $.2

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) August 7, 2024 KRONOS WORLDWIDE, I

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) August 7, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incor

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed July 30, 2024

Exhibit 10.2 ADDITIONAL NOTES PRIORITY JOINDER AGREEMENT July 30, 2024 The undersigned (the “Additional Notes Priority Agent”) 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 (the “Additional Notes”) wishing to become additional “Secured Parties” (the “New Secured Parties” and, together with the New Sec

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed July 30, 2024

Exhibit 10.1 FIRST SUPPLEMENTAL INDENTURE First Supplemental Indenture (this “First Supplemental Indenture”), dated as of July 30, 2024, among Kronos International, Inc., a Delaware corporation (the “Issuer”), the guarantors listed on the signature pages hereto (the “Guarantors”), Deutsche Bank Trust Company Americas, as Trustee (the “Trustee”) and as collateral agent (the “Collateral Agent”), and

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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) July 30, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

KRONOS WORLDWIDE, INC. PRICES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029

KRONOS WORLDWIDE, INC. PRICES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029 DALLAS, TEXAS – July 23, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) (the “Company”) announced today that its wholly-owned subsidiary, Kronos International, Inc. (“KII”), has agreed to sell €75 million aggregate principal amount of additional 9.50% Senior Secured Notes due 2029 (the “No

Financial Statements and Exhibits, Other Events

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) July 23, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

KRONOS WORLDWIDE, INC. ANNOUNCES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029

KRONOS WORLDWIDE, INC. ANNOUNCES PRIVATE OFFERING OF AN ADDITIONAL €75 MILLION OF 9.50% SENIOR SECURED NOTES DUE 2029 DALLAS, TEXAS – July 23, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) (the “Company”) announced today that it is seeking to raise debt capital through a private offering of €75 million aggregate principal amount of additional 9.50% Senior Secured Notes due 2029 (the “Notes”) by its wh

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed July 17, 2024

Execution Version PURCHASE AND SALE AGREEMENT THIS PURCHASE AND SALE AGREEMENT (this “Agreement”) is made effective as of July 16, 2024 (the “Effective Date”), by and between Kronos Louisiana, Inc.

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed July 17, 2024

SECOND AMENDMENT TO CREDIT AGREEMENT THIS SECOND AMENDMENT TO CREDIT AGREEMENT (this "Amendment") is entered into as of July 17, 2024, by and among the lenders identified on the signature pages hereof ("Existing Lenders"), WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as administrative agent for the Lenders (in such capacity, together with its successors and assigns in such capacity, "Agent"), DEUTSCHE BANK AG, CANADA BRANCH, DEUTSCHE BANK AG NEW YORK BRANCH (together with Deutsche Bank AG, Canada Branch, the "New Lenders"; and together with the Existing Lenders, the "Lenders"), KRONOS WORLDWIDE, INC.

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) July 16, 2024 KRONOS WORLDWIDE, IN

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) July 16, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

KRONOS WORLDWIDE, INC. ANNOUNCES ACQUISITION OF JOINT VENTURE INTEREST, AMENDMENT TO REVOLVING CREDIT FACILITY AND QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES ACQUISITION OF JOINT VENTURE INTEREST, AMENDMENT TO REVOLVING CREDIT FACILITY AND QUARTERLY DIVIDEND DALLAS, TEXAS – July 17, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) made the following announcements today: Acquisition of Remaining Joint Venture Interest in LPC Effective July 16, 2024, Kronos Worldwide, Inc. (“Kronos”) has acquired the 50% joint venture interest i

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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) May 15, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpo

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 15, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on June 20, 2024 to stockholders of record at the close of business on June 10, 2024. Kronos Wo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONO

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) May 8, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpor

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2024 RESULTS

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2024 RESULTS DALLAS, TEXAS…May 8, 2024…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $8.1 million, or $.07 per share, in the first quarter of 2024 compared to a net loss of $15.2 million, or $.13 per share, in the first quarter of 2023. Net income increased in the first quarter of 2024 as compared to the first quarter of 2023 primarily

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 15, 2024 5430 LBJ Freeway, Suite 350, Dallas, Texas 75240-2620

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ☐ Definitive Proxy Stateme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ⌧ Filed by a Party other than the Registrant: ◻ Check the appropriate box: ◻Preliminary Proxy Statement ◻ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ⌧Definiti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exac

Cancellation of Unsecured Revolving Demand Promissory Note between Valhi, Inc. and Kronos Worldwide, Inc. dated February 21, 2024.

EXHIBIT 10.18 CANCELLATION OF UNSECURED REVOLVING DEMAND PROMISSORY NOTE This Cancellation of Unsecured Revolving Demand Promissory Note (“Cancellation Agreement”) is entered into as February 21, 2024, by and between Valhi, Inc. (“Borrower”) and Kronos Worldwide, Inc. (“Kronos Worldwide”). Background A.Borrower and Kronos Worldwide entered into that certain Unsecured Revolving Demand Promissory No

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) March 6, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

Policy for the Recovery of Erroneously Awarded Compensation.

Exhibit 97 KRONOS WORLDWIDE, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Effective October 25, 2023 A.OVERVIEW In accordance with the applicable rules of The New York Stock Exchange Listed Company Manual (the “NYSE Rules”), Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) (“Rule 10D-1”), the Board of Directors (the “Board”) of

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2023(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2023 RESULTS

KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2023 RESULTS DALLAS, TEXAS…March 6, 2024…Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $5.3 million, or $.05 per share, in the fourth quarter of 2023 compared to a net loss of $19.9 million, or $.18 per share, in the fourth quarter of 2022. For the full year of 2023, Kronos Worldwide reported a net loss of $49.1 million, or $.43 per sh

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – February 21, 2024 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on March 14, 2024 to stockholders of record at the close of business on March 5, 2024. Kronos Worldwide, Inc. is a major internation

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) February 21, 2024 KRONOS WORLDWIDE

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) February 21, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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) February 12, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed February 12, 2024

136025582v.11 UNSECURED SUBORDINATED TERM PROMISSORY NOTE $53,705,000.00‌February 12, 2024‌Dallas, Texas Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Kronos Worldwide, Inc., a corporation duly organized under the laws of the state of Delaware (“Borrower”), promises to pay, in United States dollars, to the order of Contran Corporation, a corporation duly o

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed February 12, 2024

Execution Version KRONOS INTERNATIONAL, INC., as Issuer, THE GUARANTORS NAMED HEREIN, as Guarantors, Deutsche BANK TRUST COMPANY AMERICAS, as Trustee and Collateral Agent, and Deutsche Bank Trust Company Americas, as Paying Agent, Transfer Agent and Registrar, 9.50% Senior Secured Notes due 2029 INDENTURE Dated as of February 12, 2024 TABLE OF CONTENTS Page ARTICLE One DEFINITIONS AND INCORPORATIO

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 Kronos Worldwide, Inc.’s Current Report on Form 8-K filed February 12, 2024

Execution Version ADDITIONAL NOTES PRIORITY JOINDER AGREEMENT February 12, 2024 The undersigned (the “Additional Notes Priority Agent”) is the agent for Persons wishing to become additional “Secured Parties” (the “New Secured Parties”) under the Pledge Agreement dated as of September 13, 2017 (as heretofore amended and/or supplemented, the “Pledge Agreement” (terms used without definition herein h

Supplemental Indenture No. 1, 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 4.1 to Kronos Worldwide, Inc.’s Current Report on Form 8-K filed February 12, 2024

Execution Version SUPPLEMENTAL INDENTURE NO. 1 dated as of February 12, 2024 (this “Supplemental Indenture”), by and among Kronos International, Inc. a Delaware corporation (the “Issuer”), the Guarantors listed on the signature pages hereto, Deutsche Bank Trust Company Americas, as Trustee (in such capacity, the “Trustee”) and as collateral agent (in such capacity, the “Collateral Agent”), and Deu

KRONOS WORLDWIDE ANNOUNCES EARLY RESULTS OF ITS EXCHANGE OFFER AND CONSENT SOLICITATION

KRONOS WORLDWIDE ANNOUNCES EARLY RESULTS OF ITS EXCHANGE OFFER AND CONSENT SOLICITATION DALLAS, TEXAS – February 5, 2024 – Kronos Worldwide, Inc.

Financial Statements and Exhibits, Other Events

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) February 5, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

KRONOS WORLDWIDE ANNOUNCES EXCHANGE OFFER AND CONSENT SOLICITATION

KRONOS WORLDWIDE ANNOUNCES EXCHANGE OFFER AND CONSENT SOLICITATION DALLAS, TEXAS – January 23, 2024 – Kronos Worldwide, Inc.

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) January 23, 2024 KRONOS WORLDWIDE,

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) January 23, 2024 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

19 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSU

Table of Contents 19 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) November 2, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2023 RESULTS

KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2023 RESULTS DALLAS, TEXAS…November 2, 2023…Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $20.4 million, or $.18 per share, in the third quarter of 2023 compared to net income of $21.0 million, or $.18 per share, in the third quarter of 2022. For the first nine months of 2023, Kronos Worldwide reported a net loss of $43.8 million, or $.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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) October 25, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – October 25, 2023 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on December 14, 2023 to stockholders of record at the close of business on December 1, 2023. Kronos Worldwide, Inc. is a major intern

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

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) October 25, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer inc

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.

AMENDED AND RESTATED BYLAWS OF Kronos Worldwide, Inc. a Delaware Corporation (Amended and Restated as of October 25, 2023) TABLE OF CONTENTS Page TABLE OF CONTENTS‌i ARTICLE I. REGISTERED AGENT AND OFFICES‌1 Section 1.1. Registered Agent and Office‌1 Section 1.2. Other Offices‌1 ARTICLE II. MEETINGS OF STOCKHOLDERS‌1 Section 2.1. Place and Time of Meetings‌1 Section 2.2. Business to be Transacted

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – August 2, 2023 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on September 14, 2023 to stockholders of record at the close of business on September 1, 2023. Kronos Worldwide, Inc. is a major intern

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2023 RESULTS

KRONOS WORLDWIDE, INC. REPORTS SECOND QUARTER 2023 RESULTS DALLAS, TEXAS…August 2, 2023…Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $8.2 million, or $.07 per share, in the second quarter of 2023 compared to net income of $45.9 million, or $.40 per share, in the second quarter of 2022. For the first six months of 2023, Kronos Worldwide reported a net loss of $23.4 million, or $.2

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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) August 2, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incor

19 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT T

Table of Contents 19 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 17, 2023 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on June 15, 2023 to stockholders of record at the close of business on June 5, 2023. Kronos Wor

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) May 17, 2023 KRONOS WORLDWIDE, INC

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) May 17, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpo

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) May 8, 2023 KRONOS WORLDWIDE, INC.

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) May 8, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpor

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 to Kronos Worldwide, Inc.’s Current Report on Form 8-K filed on May 9, 2023.

‌Exhibit 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this "Amendment") is entered into as of May 8, 2023, by and among the lenders identified on the signature pages hereof ("Lenders"), WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as administrative agent for the Lenders (in such capacity, together with its successors and assigns in s

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2023 RESULTS

KRONOS WORLDWIDE, INC. REPORTS FIRST QUARTER 2023 RESULTS DALLAS, TEXAS…May 3, 2023… Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $15.2 million, or $.13 per share, in the first quarter of 2023 compared to net income of $57.5 million, or $.50 per share, in the first quarter of 2022. Net income decreased in the first quarter of 2023 as compared to the first quarter of 2022 primaril

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONO

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) May 3, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ⌧ Filed by a Party other than the Registrant: ◻ Check the appropriate box: ◻Preliminary Proxy Statement ◻ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ⌧Definiti

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 17, 2023 5430 LBJ Freeway, Suite 350, Dallas, Texas 75240-2620

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ☐ Definitive Proxy Stateme

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2022(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

Unsecured Revolving Demand Promissory Note dated December 31, 2022 in the principal amount of $25.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc.

Exhibit 10.17 UNSECURED REVOLVING DEMAND PROMISSORY NOTE $25,000,000.00‌December 31, 2022 Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (“Borrower”), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwide, Inc., a corporation duly o

Financial Statements and Exhibits, Results of Operations and Financial Condition

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) March 8, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer incorp

KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2022 RESULTS

Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. REPORTS FOURTH QUARTER 2022 RESULTS DALLAS, TEXAS…March 8, 2023… Kronos Worldwide, Inc. (NYSE:KRO) today reported a net loss of $19.9 million, or $.18 per share, in the fourth quarter of 2022 compared to net income of $31.6 million, or $.28 per share, in the fourth quarter of 2021. For the full year of 2022, Kronos Worldwide reported net i

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exac

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) February 22, 2023 KRONOS WORLDWIDE

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) February 22, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

Kronos Worldwide, Inc. Code of Business Conduct and Ethics, Amended and Restated Effective February 22, 2023

Kronos Worldwide, Inc. CODE OF BUSINESS CONDUCT AND ETHICS Amended and Restated Effective February 22, 2023 I.OVERVIEW This Code of Business Conduct and Ethics (“Code”) sets forth the guiding principles by which we operate our company and conduct our daily business with our stockholders, customers, suppliers and with each other. These principles apply to all directors, officers and employees of Kr

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – February 22, 2023 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, payable on March 16, 2023 to stockholders of record at the close of business on March 7, 2023. Kronos Worldwide, Inc. is a major internation

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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) February 22, 2023 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of (Commission (IRS Employer in

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

? ? 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) December 12, 2022 ? KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? ? Delaware 1-31763 76-0294959 (State or other jurisdiction of ?

Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? 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) November 2, 2022 ? KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? ? Delaware 1-31763 76-0294959 (State or other jurisdiction of ? (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 K

KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2022 RESULTS

? ? ? ? Contact:Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release ? ? FOR IMMEDIATE RELEASE ? ? KRONOS WORLDWIDE, INC. REPORTS THIRD QUARTER 2022 RESULTS ? ? DALLAS, TEXAS?November 2, 2022? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $21.0 million, or $.18 per share, in the third quarter of 2022 compared to $36.0 million, or $.31 per share, in th

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

? ? ? ? ? ? Contact:Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release ? ? FOR IMMEDIATE RELEASE ? ? KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND ? ? DALLAS, TEXAS ? October 26, 2022 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarterly dividend of nineteen cents ($0.19) per share on its common stock, paya

Regulation FD Disclosure, Financial Statements and Exhibits

? ? 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) October 26, 2022 ? KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) ? ? ? ? ? ? ? Delaware 1-31763 76-0294959 (State or other jurisdiction of ? (

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): August 3, 2022 Kronos Worldwide, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

KRONOS WORLDWIDE REPORTS SECOND QUARTER 2022 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS SECOND QUARTER 2022 RESULTS DALLAS, TEXAS?August 3, 2022? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $45.9 million, or $.40 per share, in the second q

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS ? August 3, 2022 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarter

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 18, 2022 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS ? May 18, 2022 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO

Table of Contents ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 4, 2022 Kronos Worldwide, Inc.

KRONOS WORLDWIDE REPORTS FIRST QUARTER 2022 RESULTS

Exhibit 99.1 Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FIRST QUARTER 2022 RESULTS DALLAS, TEXAS?May 4, 2022? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $57.5 million, or $.50 per share, in the

UNITED STATES SECURITIES A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appro

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ? Filed by a Party other than the Registrant: ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a?6(e)(2)) ? Definitive Proxy Stateme

KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2021 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2021 RESULTS DALLAS, TEXAS?March 9, 2022? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $31.6 million, or $.28 per share, in the fourth qu

Unsecured Revolving Demand Promissory Note dated December 31, 2021 in the principal amount of $30.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc

? Exhibit 10.17 UNSECURED REVOLVING DEMAND PROMISSORY NOTE $30,000,000.00?December 31, 2021 ? ? Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (?Borrower?), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwide, Inc., a corporation

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): March 9, 2022 Kronos Worldwide, Inc.

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT ? ? ? ? ? ? ? ? NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2021(a) Kronos Canada, Inc. ? Canada ? 100 Kronos International, Inc. ? Delaware ? 100 Kronos Titan GmbH ? Germany ? 100 Soci?t? Industrielle du Titane, S.A. ? France ? 99 ? Kronos Limited ? United Kingdom ? 100 Kronos Denmark ApS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTI

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 10-K ? ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, IN

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): February 23, 2022 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND DALLAS, TEXAS ? February 23, 2022 ? Kronos Worldwide, Inc. (NYSE: KRO) announced a $0.01 per share increase in its regular q

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 16, 2021 Kronos Worldwide, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, I

KRONOS WORLDWIDE REPORTS THIRD QUARTER 2021 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS THIRD QUARTER 2021 RESULTS DALLAS, TEXAS?November 4, 2021? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $36.0 million, or $.31 per share, in the third q

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): November 4, 2021 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS ? October 27, 2021 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quart

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): October 27, 2021 Kronos Worldwide, Inc.

KRONOS WORLDWIDE REPORTS SECOND QUARTER 2021 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS SECOND QUARTER 2021 RESULTS DALLAS, TEXAS?August 4, 2021? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $25.7 million, or $.22 per share, in the second q

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): August 4, 2021 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS ? August 4, 2021 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declared a regular quarter

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 26, 2021 Kronos Worldwide, Inc.

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 19, 2021 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS ? May 19, 2021 ? Kronos Worldwide, Inc. (NYSE: KRO) annou

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 5, 2021 Kronos Worldwide, Inc.

Credit Agreement dated as of April 20, 2021 by and among Kronos Worldwide, Inc., 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 of Kronos’ Quarterly Report on Form 10-Q (File No. 1-31763) for the quarter ended March 31, 2021.

Exhibit 10.1 CREDIT AGREEMENT by and among WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, WELLS FARGO BANK, NATIONAL ASSOCIATION as Lead Arranger, WELLS FARGO BANK, NATIONAL ASSOCIATION as Sole Book Runner, THE LENDERS THAT ARE PARTIES HERETO as the Lenders, KRONOS WORLDWIDE, INC., KRONOS LOUISIANA, INC., KRONOS (US), INC., KRONOS CANADA, INC., KRONOS EUROPE NV and KRONOS TITAN G

KRONOS WORLDWIDE REPORTS FIRST QUARTER 2021 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FIRST QUARTER 2021 RESULTS DALLAS, TEXAS?May 5, 2021? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $19.6 million, or $.17 per sha

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC.

Guaranty and Security Agreement dated as of April 20, 2021, by and among Kronos Worldwide, Inc., 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 of Kronos’ Quarterly Report on Form 10-Q (File No. 1-31763) for the quarter ended March 31, 2021.

Exhibit 10.2 GUARANTY AND SECURITY AGREEMENT This GUARANTY AND SECURITY AGREEMENT (this "Agreement"), dated as of April 20, 2021, by and among the Persons listed on the signature pages hereto as "Grantors" and those additional entities that hereafter become parties hereto by executing the form of Joinder attached hereto as Annex 1 (each, a "Grantor" and collectively, the "Grantors"), and WELLS FAR

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

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.

Exhibit 10.1 CREDIT AGREEMENT by and among WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent, WELLS FARGO BANK, NATIONAL ASSOCIATION as Lead Arranger, WELLS FARGO BANK, NATIONAL ASSOCIATION as Sole Book Runner, THE LENDERS THAT ARE PARTIES HERETO as the Lenders, KRONOS WORLDWIDE, INC., KRONOS LOUISIANA, INC., KRONOS (US), INC., KRONOS CANADA, INC., KRONOS EUROPE NV and KRONOS TITAN G

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.

Exhibit 10.2 GUARANTY AND SECURITY AGREEMENT This GUARANTY AND SECURITY AGREEMENT (this "Agreement"), dated as of April 20, 2021, by and among the Persons listed on the signature pages hereto as "Grantors" and those additional entities that hereafter become parties hereto by executing the form of Joinder attached hereto as Annex 1 (each, a "Grantor" and collectively, the "Grantors"), and WELLS FAR

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): April 20, 2021 Kronos Worldwide, Inc.

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 19, 2021 5430 LBJ Freeway, Suite 350, Dallas, Texas 75240-2620

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 19, 2021 5430 LBJ Freeway, Suite 350, Dallas, Texas 75240-2620 KRONOS WORLDWIDE, INC.

- KRONOS WORLDWIDE, INC. SCHEDULE 14A DATED MAY 19, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ? Filed by a Party other than the Registrant: ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a?6(e)(2)) ? Definitive Proxy Stateme

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2020(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Soci?t? Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

- 1 -

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2020 RESULTS DALLAS, TEXAS?March 10, 2021? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $10.2 million, or $.09 per

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exac

Unsecured Revolving Demand Promissory Note dated December 31, 2020 in the principal amount of $40.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc.

Exhibit 10.17 UNSECURED REVOLVING DEMAND PROMISSORY NOTE $40,000,000.00December 31, 2020 Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (?Borrower?), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwide, Inc., a corporation duly or

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): March 10, 2021 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS ? February 24, 2021 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): February 24, 2021 Kronos Worldwide, Inc.

Amended and Restated Bylaws of Kronos Worldwide, Inc. as of February 24, 2021 – incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K (File No. 001-31763) filed with the U.S. Securities and Exchange Commission on February 24, 2021

AMENDED AND RESTATED BYLAWS OF Kronos Worldwide, Inc. a Delaware Corporation (Amended and Restated as of February 24, 2021) TABLE OF CONTENTS TABLE OF CONTENTS ARTICLE I. REGISTERED AGENT AND OFFICES Section 1.1. Registered Agent and Office Section 1.2. Other Offices ARTICLE II. MEETINGS OF STOCKHOLDERS Section 2.1. Place and Time of Meetings Section 2.2. Business to be Transacted at Meetings Sect

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): November 4, 2020 Kronos Worldwide, Inc.

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, I

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS THIRD QUARTER 2020 RESULTS DALLAS, TEXAS…November 4, 2020… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $8.1 million, or $.07 per

Regulation FD Disclosure, Financial Statements and Exhibits -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): October 28, 2020 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – October 28, 2020 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has d

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): August 5, 2020 Kronos Worldwide, Inc.

KRONOS WORLDWIDE REPORTS SECOND QUARTER 2020 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS SECOND QUARTER 2020 RESULTS DALLAS, TEXAS…August 5, 2020… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $18.6 million, or $.16 per

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – August 5, 2020 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has declar

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 20, 2020 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 20, 2020 – Kronos Worldwide, Inc. (NYSE: KRO) annou

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 6, 2020 Kronos Worldwide, Inc.

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC.

KRONOS WORLDWIDE REPORTS FIRST QUARTER 2020 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FIRST QUARTER 2020 RESULTS DALLAS, TEXAS…May 6, 2020… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $27.0 million, or $.23 per sha

Changes in Control of Registrant

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) April 22, 2020 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission File

Contran Corporation Amended and Restated Stockholders Agreement dated September 3, 2019

CONTRAN CORPORATION AMENDED AND RESTATED STOCKHOLDERS AGREEMENT September 3, 2019 CONTRAN CORPORATION AMENDED AND RESTATED STOCKHOLDERS AGREEMENT This Amended and Restated Stockholders Agreement (the “Agreement”) is made and effective as of September 3, 2019 (the “Effective Date”), by and among Lisa K.

KRO / Kronos Worldwide, Inc. / CONTRAN CORP - KRONOS WORLDWIDE, INC. SCHEDULE 13D AMENDMENT NO. 4 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Kronos Worldwide, Inc. (Name of Issuer) (Amendment No. 4)* Common Stock, par value $0.01 per share (Title of Class of Securities) 50105F 10 5 (CUSIP Number) Robert D. Graham Three Lincoln Centre Suite 1700 5430 LBJ Freeway Dallas, Texas 75240-2620 (972) 233-1700 (Name, Add

KRO / Kronos Worldwide, Inc. DEF 14A - - KRONOS WORLDWIDE, INC. SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ◻ Check the appropriate box: ◻ Preliminary Proxy Statement ◻ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy Stateme

KRO / Kronos Worldwide, Inc. DEFA14A - - KRONOS WORLDWIDE DEFA14A

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 20, 2020 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240-2620 KRONOS WORLDWIDE, INC.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 the earliest event reported) March 13, 2020 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): March 11, 2020 Kronos Worldwide, Inc.

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2019(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

Description of the Registrant’s Capital Stock – incorporated by reference to Exhibit 4.1 to the Registrant’s Annual Report on Form 10-K (File No. 001-31763) for the year ended December 31, 20

Exhibit 4.1 Kronos Worldwide, Inc. Description of Capital Stock General Our authorized capital stock consists of 60 million shares of common stock, par value $.01 per share, and 100,000 shares of preferred stock, par value $.01 per share. The following description of our capital stock is intended as a summary and is qualified in its entirety by reference to our First Amended and Restated Certifica

KRO / Kronos Worldwide, Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exac

Unsecured Revolving Demand Promissory Note dated December 31, 2019 in the principal amount of $60.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc.

Exhibit 10.17 UNSECURED REVOLVING DEMAND PROMISSORY NOTE $60,000,000.00December 31, 2019 Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (“Borrower”), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwide, Inc., a corporation duly or

Tax Agreement between Valhi, Inc. and Kronos Worldwide, Inc. dated as of January 1, 2020 - incorporated by reference to Exhibit 10.1 to the Kronos Worldwide, Inc. Annual Report on Form 10-K (File No. 001-31763) for the year ended December 31, 2019.

Exhibit 10.1 TAX AGREEMENT Between VALHI, INC. and KRONOS WORLDWIDE, INC. TAX AGREEMENT (the “Agreement”) dated as of January 1, 2020 by and among Valhi, Inc. (“VHI”), a Delaware corporation having its principal executive offices at Three Lincoln Centre, 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240, Contran Corporation (“Contran”), a Delaware corporation having its principal executive offices

KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2019 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2019 RESULTS DALLAS, TEXAS…March 11, 2020… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $9.4 million, or $.08 per

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): February 19, 2020 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – February 19, 2020 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): November 7, 2019 Kronos Worldwide, Inc.

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS THIRD QUARTER 2019 RESULTS DALLAS, TEXAS…November 7, 2019… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $17.9 million, or $.16 pe

KRO / Kronos Worldwide, Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-31763 KRONOS WORLDWIDE, I

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): October 23, 2019 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – October 23, 2019 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has d

Changes in Control of Registrant

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 the earliest event reported) September 3, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissi

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of this Amendment No.

KRO / Kronos Worldwide, Inc. / CONTRAN CORP - KRONOS WORLDWIDE, INC. SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Kronos Worldwide, Inc. (Name of Issuer) (Amendment No. 3)* Common Stock, par value $0.01 per share (Title of Class of Securities) 50105F 10 5 (CUSIP Number) Robert D. Graham Three Lincoln Centre Suite 1700 5430 LBJ Freeway Dallas, Texas 75240-2620 (972) 233-1700 (Name, Add

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS SECOND QUARTER 2019 RESULTS DALLAS, TEXAS…August 7, 2019… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $29.5 million, or $.25 per

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – August 7, 2019 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has dec

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) August 7, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

KRO / Kronos Worldwide, Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2019 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organization) (I

Changes in Control of Registrant

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 the earliest event reported) July 16, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission F

Kronos Worldwide, Inc. Code of Business Conduct and Ethics, Amended and Restated Effective May 15, 2019

Kronos Worldwide, Inc. CODE OF BUSINESS CONDUCT AND ETHICS Amended and Restated Effective May 15, 2019 I. OVERVIEW This Code of Business Conduct and Ethics (“Code”) sets forth the guiding principles by which we operate our company and conduct our daily business with our stockholders, customers, suppliers and with each other. These principles apply to all of the directors, officers and employees of

Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Financial Statements and Exhibits

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 the earliest event reported) May 15, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission Fi

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): May 15, 2019 Kronos Worldwide, Inc.

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2620 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 15, 2019 – Kronos Worldwide, Inc. (NYSE: KRO) annou

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FIRST QUARTER 2019 RESULTS DALLAS, TEXAS…May 8, 2019… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $30.3 million, or $.26 per sha

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) May 8, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission Fil

KRO / Kronos Worldwide, Inc. 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2019 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organization) (

KRO / Kronos Worldwide, Inc.

Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders to be held on May 15, 2019 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240-2697 KRONOS WORLDWIDE, INC.

KRO / Kronos Worldwide, Inc. SCHEDULE 14A KRONOS WORLDWIDE, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy Stateme

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 the earliest event reported) March 18, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) March 11, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2018 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2018 RESULTS DALLAS, TEXAS…March 11, 2019…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $24.0 million, or $.21 per

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 10.10 to our Annual Report on Form 10-K for the year ended December 31, 2018 (file No. 1-5467) filed on March 11, 2019.

Exhibit 10.16 Execution CopyConfidential SECOND AMENDED AND RESTATED AGREEMENT REGARDING SHARED INSURANCE This Second Amended and Restated Agreement Regarding Shared Insurance is made as of the 25th day of January 2019 (hereinafter the “Agreement”) among: CompX International Inc. (“CompX”); Contran Corporation (“Contran”); Kronos Worldwide, Inc. (“Kronos”); NL Industries, Inc. (“NL”); and Valhi, I

Consolidated financial statements of Kronos Worldwide, Inc. - incorporated by reference to Kronos’ Annual Report on Form 10-K (File No. 1-31763) for the year ended December 31, 2018.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934: For the fiscal year ended December 31, 2018 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or orga

Unsecured Revolving Demand Promissory Note dated December 31, 2018 in the principal amount of $60.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc.

Exhibit 10.17 UNSECURED REVOLVING DEMAND PROMISSORY NOTE $60,000,000.00December 31, 2018 Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (“Borrower”), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwide, Inc., a corporation duly or

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2018(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND DALLAS, TEXAS – February 20, 2019 – Kronos Worldwide, Inc. (NYSE: KRO) announced a $0.01 per share in

Regulation FD Disclosure, Financial Statements and Exhibits

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 the earliest event reported) February 20, 2019 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissi

KRONOS WORLDWIDE REPORTS THIRD QUARTER 2018 RESULTS

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS THIRD QUARTER 2018 RESULTS DALLAS, TEXAS…November 7, 2018…Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $32.6 million, or $.28 per

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) November 7, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissio

KRO / Kronos Worldwide, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2018 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organizatio

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – October 24, 2018 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has d

Regulation FD Disclosure, Financial Statements and Exhibits

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 the earliest event reported) October 24, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissio

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS SECOND QUARTER 2018 RESULTS DALLAS, TEXAS…August 7, 2018… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $77.7 million, or $.67 per

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS – August 7, 2018 – Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has dec

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) August 7, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

KRO / Kronos Worldwide, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2018 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organization) (I

KRO / Kronos Worldwide, Inc. CORRESP

June 27, 2018 U.S. Securities and Exchange Commission 100 F Street, N.E. Mail Stop 4631 Washington, D.C. 20549 Attention: Ms. Cecilia Blye, Chief Office of Global Security Risk Division of Corporation Finance CC: Mr. Pradip Bhaumik, Special Counsel Division of Corporation Finance Ms. Pamela Long, Assistant Director Division of Corporation Finance RE: Kronos Worldwide, Inc. Form 10-K for the Fiscal

Regulation FD Disclosure, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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 the earliest event reported) May 16, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission Fi

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND AND RESULTS OF ANNUAL STOCKHOLDER MEETING DALLAS, TEXAS – May 16, 2018 – Kronos Worldwide, Inc. (NYSE: KRO) annou

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) May 8, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission Fil

KRONOS WORLDWIDE, INC. CONDENSED CONSOLIDATED STATEMENTS OF INCOME (In millions, except per share and metric ton data)

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FIRST QUARTER 2018 RESULTS DALLAS, TEXAS…May 8, 2018… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $70.7 million, or $.61 per sha

KRO / Kronos Worldwide, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2018 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organization) (

KRO / Kronos Worldwide, Inc. KRONOS WORLDWIDE, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ☐ Definitive Proxy Stateme

KRO / Kronos Worldwide, Inc. KRONOS WORLDWIDE, INC. SCHEDULE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by Registrant: ý Filed by a Party other than the Registrant: ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a‑6(e)(2)) ý Definitive Proxy Stateme

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 the earliest event reported) March 15, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS FOURTH QUARTER 2017 RESULTS DALLAS, TEXAS…March 12, 2018… Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $47.4 million, or $.41 per

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) March 12, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commission

Eleventh Amended and Restated Unsecured Revolving Demand Promissory Note dated December 31, 2017 in the principal amount of $60.0 million executed by Valhi, Inc. and payable to the order of Kronos Worldwide, Inc.

Exhibit 10.19 ELEVENTH AMENDED AND RESTATED UNSECURED REVOLVING DEMAND PROMISSORY NOTE $60,000,000.00December 31, 2017 Section 1. Promise to Pay. For and in consideration of value received, the undersigned, Valhi, Inc., a corporation duly organized under the laws of the state of Delaware (“Borrower”), promises to pay, in lawful money of the United States of America, to the order of Kronos Worldwid

You’ve Exceeded the SEC’s Traffic Limit

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT NAME OF CORPORATION Jurisdiction of incorporation or organization % of voting securities held at December 31, 2017(a) Kronos Canada, Inc. Canada 100 Kronos International, Inc. Delaware 100 Kronos Titan GmbH Germany 100 Société Industrielle du Titane, S.A. France 99 Kronos Limited United Kingdom 100 Kronos Denmark ApS Denmark 100 Kronos Europe S.A./N.V. B

KRO / Kronos Worldwide, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934: For the fiscal year ended December 31, 2017 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or orga

Regulation FD Disclosure, Financial Statements and Exhibits

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 the earliest event reported) February 21, 2018 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissi

KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES INCREASE IN QUARTERLY DIVIDEND DALLAS, TEXAS ? February 21, 2018 ? Kronos Worldwide, Inc. (NYSE: KRO) announced a $0.02 per share in

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Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, TX 75240-2620 Contact: Janet Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 News Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE REPORTS THIRD QUARTER 2017 RESULTS DALLAS, TEXAS?November 8, 2017? Kronos Worldwide, Inc. (NYSE:KRO) today reported net income of $73.8 million, or $.64 pe

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

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 the earliest event reported) November 8, 2017 Kronos Worldwide, Inc. (Exact name of registrant as specified in its charter) Delaware 1-31763 76-0294959 (State or other jurisdiction of incorporation) (Commissio

KRO / Kronos Worldwide, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2017 Commission file number 1-31763 KRONOS WORLDWIDE, INC. (Exact name of Registrant as specified in its charter) DELAWARE 76-0294959 (State or other jurisdiction of incorporation or organizatio

KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND

Kronos Worldwide, Inc. Three Lincoln Centre 5430 LBJ Freeway, Suite 1700 Dallas, Texas 75240-2697 Contact: Janet G. Keckeisen Vice President, Corporate Strategy and Investor Relations (972) 233-1700 Press Release FOR IMMEDIATE RELEASE KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND DALLAS, TEXAS ? October 25, 2017 ? Kronos Worldwide, Inc. (NYSE: KRO) announced that its board of directors has d