EX-32.1 4 wwr-20250630xex32d1.htm EX-32.1

Exhibit 32.1

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CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

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I, Frank Bakker, President and Chief Executive Officer of Westwater Resources, Inc. (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

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(1) The Quarterly Report on Form 10-Q of the Company for the period ended June 30, 2025 (the “Report”), which this certification accompanies, fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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/s/ Frank Bakker | ​
Frank Bakker | ​
President and Chief Executive Officer | ​
August 13, 2025 | ​

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