Exhibit 99.90
CONSENT OF RAYMOND ASHLEY
The undersigned hereby consents to the use of their
name and the scientific and technical information with respect to:
| i. | the Amended Management Information Circular dated June 28, 2024; |
| ii. | the News Release dated July 22, 2024; |
| iii. | the News Release dated July 30, 2024; |
| iv. | the News Release dated August 13, 2024; |
| v. | the News Release dated September 10, 2024; |
| vi. | the Management’s Discussion & Analysis for the year ended June 30, 2024; |
| vii. | the News Release dated October 29, 2024; |
| viii. | the Management’s Discussion & Analysis for the first quarter ended September 30, 2024; |
| ix. | the News Release dated December 3, 2024; |
| x. | the News Release dated February 3, 2025; |
| xi. | the News Release dated February 11, 2025; |
| xii. | the News Release dated February 12, 2025; |
| xiii. | the Management’s Discussion & Analysis for the second quarter ended December 31, 2024; |
| xiv. | the News Release dated March 18, 2025; |
| xv. | the News Release dated April 15, 2025; |
| xvi. | the Management’s Discussion & Analysis for the nine-month period ended March 31, 2025; |
| xvii. | the News Release dated June 24, 2025; |
| xviii. | the News Release dated July 7, 2025; |
| xix. | the News Release dated July 16, 2025; |
| xx. | the News Release dated July 21, 2025; |
| xxi. | the News Release dated August 5, 2025; |
| xxii. | the News Release dated September 2, 2025; |
| xxiii. | the News Release dated October 8, 2025; |
| xxiv. | the Management’s Discussion & Analysis for the year ended June 30, 2025;and |
| xxv. | the Management’s Discussion & Analysis for the three-month period ended September 30, 2025; |
which are included in this registration statement
on Form 40-F being filed by F3 Uranium Corp. with the United States Securities and Exchange Commission.
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/s/ Raymond Ashley |
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Raymond Ashley, P. Geo |
| Date: December 12, 2025 |
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