Company: FMST
Filing Date: 2025-02-28
Form Type: 424B3
Source: 0001171843-25-001157
Chunk: 81

Company: Foremost Clean Energy Ltd.
Filing Date: 2025-02-28
Form: 424B3
Chunk 81
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 in paragraphs 5.2 and 5.3, the issuer’s other certifying officer(s) and I have, as at the end of the period covered by the interim filings

| (a) |     | designed DC&P, or caused it to be designed under our supervision, to provide reasonable assurance that |

| (i) |     | material information relating to the issuer is made known to us by others, particularly during the period in which the interim filings are being prepared; and |

| (ii) |     | information required to be disclosed by the issuer in its annual filings, interim filings or other reports filed or submitted by it under securities legislation is recorded, processed, summarized and reported within the time periods specified in securities legislation; and |

| (b) |     | designed ICFR, or caused it to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with the issuer’s GAAP. |

5.1. Control framework: The control framework the issuer’s other certifying officer(s) and I used to design the issuer’s ICFR is the Internal Control–Integrated Framework 2013 published by the Committee of Sponsoring Organizations of the Treadway Commission.

5.2. ICFR–material weakness relating to design:N/A

5.3. Limitation on scope of design: N/A

6. Reporting changes in ICFR: The issuer has disclosed in its interim MD&A any change in the issuer’s ICFR that occurred during the period beginning on April 1, 2024 and ended on December 31, 2024, that has materially affected, or is reasonably likely to materially affect, the issuer’s ICFR.

Date: February 12, 2025

/s/ Jason Barnard

Jason Barnard

Chief Executive Officer

Exhibit 99.4

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

Certification of Interim Filings Full Certificate</div>

I, Dong Shim, Chief Financial 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