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NL INDUSTRIES ANNOUNCES QUARTERLY DIVIDEND

FOR THE FOURTH QUARTER OF 2025 AT $.09 PER SHARE

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DALLAS, TEXAS – October 30, 2025 –  NL Industries, Inc. (NYSE: NL) today announced that its board of directors has declared a quarterly dividend of nine cents ($0.09) per share on its common stock, payable on December 16, 2025 to shareholders of record at the close of business on November 21, 2025.  

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NL Industries, Inc. is engaged in the component products (security products and recreational marine components) and chemicals (TiO₂) businesses.

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Investor Relations Contact

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Bryan A. Hanley

Senior Vice President and Treasurer

Tel. 972-233-1700