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CERTIFICATION

I, Douglas R. Brett, Chief Financial Officer, certify that:

|1. | I have reviewed this annual report on Form 20-F of
      Crosshair Exploration & Mining Corp.;                                                                                                                                                                                                                                                                   
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|2. | Based on my knowledge, this report does not contain any
      untrue statement of a material fact or omit to state a material fact
      necessary to make the statements made, in light of the circumstances under
      which such statements were made, not misleading with respect to the period
      covered by this report;                               
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|3. | Based on my knowledge, the financial statements, and
      other financial information included in this report, fairly present in all
      material respects the financial condition, results of operations and cash
      flows of the company as of, and for, the periods presented in this
      report;                                                     
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|4. | The company’s other certifying officer(s)
        and I are responsible for establishing and maintaining disclosure controls
        and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))
        and internal control over financial reporting (as defined in Exchange
        Act Rules 13a-15(f) and 15d 15(f)) for the company and have:
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|   | (a)                                                                                                                                                                                                                                                                                                                                                              
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|   | (b)                                                                                                                                                                                                                                                                                                                                                              
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|   | (c)                                                                                                                                                                                                                                                                                                                                                              
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|   | (d)                                                                                                                                                                                                                                                                                                                                                              
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|5. | The company’s other certifying officer(s)
        and I have disclosed, based on our most recent evaluation of internal
        control over financial reporting, to the company’s auditors and
        the audit committee of the company’s board of directors (or persons
        performing the equivalent functions):                                        
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|   | (a)                                                                                                                                                                                                                                                                                                                                                              
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|   | (b)                                                                                                                                                                                                                                                                                                                                                              

|Date: July 25, 2008 |                           
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|                    |                           
|                    | /s/
      Douglas R. Brett
|                    | Douglas R. Brett          
|                    | Chief Financial Officer   

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