Company: FMST
Filing Date: 2025-02-28
Form Type: 424B3
Source: 0001171843-25-001157
Chunk: 80

Company: Foremost Clean Energy Ltd.
Filing Date: 2025-02-28
Form: 424B3
Chunk 80
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 present intention of the Company not to pay dividends. Certain of the Company’s directors and officers also serve as directors or officers of other public and private resource companies and, to the extent that such other companies may participate in ventures in which the Company may participate, such directors and officers of the Company may have a conflict of interest. Finally, the Company has no history of earnings, and there is no assurance that any of its current or future mineral properties will generate earnings, operate profitably or provide a return on investment in the future. There is no assurance that the Company will be successful in achieving a return on shareholders’ investment and the likelihood of success must be considered considering its early stage of operations.

For a more detailed discussion of the risk factors affecting the Company and its exploration activities, please refer to the Company’s continuous and financial disclosure filings which can be assessed on the SEDAR+ website at www.sedarplus.ca.

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Exhibit 99.3

<div align='center'>Form 52-109F2

Certification of Interim Filings Full Certificate</div>

I, Jason Barnard, Chief Executive Officer of Foremost Clean Energy Ltd., certify the following:

1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of Foremost Clean Energy Ltd. (the “issuer”) for the interim period ended December 31, 2024.

2. No misrepresentations: Based on my knowledge, having exercised reasonable diligence, the interim filings do not contain any untrue statement of a material fact or omit to state a material fact required to be stated or that is necessary to make a statement not misleading in light of the circumstances under which it was made, with respect to the period covered by the interim filings.

3. Fair presentation:Based on my knowledge, having exercised reasonable diligence, the interim financial report together with the other financial information included in the interim filings fairly present in all material respects the financial condition, financial performance and cash flows of the issuer, as of the date of and for the periods presented in the interim filings.

4. Responsibility:The issuer’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (DC&P) and internal control over financial reporting (ICFR), as those terms are defined in National Instrument 52-109 Certification of Disclosure in Issuers’Annual and Interim Filings,for the issuer.

5. Design: Subject to the limitations, if any, described