Kronos Worldwide amends Code of Business Conduct and Ethics

KRONOS WORLDWIDE INC

Board adopted amendments to the Code on February 22, 2023.
Added introductory paragraph to the Principles section.
Expanded former Sustainability section into an Environmental, Social and Governance (ESG) section.
Updated provisions regarding waivers and made other wording changes.
Full text filed as Exhibit 14.1 and available on company website.

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