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CERTIFICATIONS

I, David K. Ryan, certify that;

|(1) | I have reviewed this Annual Report on Form 10-K of
      Yaterra Ventures 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 registrant as of, and for, the periods presented in this
      report;                                               
|    |                                                                                                                                                                                                                                                                                                                                                               
|(4) | The registrant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 Rule
      13a-15(f) and 15d-15(f)) for the registrant and
have:

| | a) | Designed such disclosure controls and procedures, or
      caused such disclosure controls and procedures to be designed under my
      supervision, to ensure that material information relating to the
      registrant, including its consolidated subsidiaries, is made known to me
      by others within those entities, particularly during the period in which
      this report is being prepared;
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| | b) | Designed such internal control over financial reporting,
      or caused such internal control over financial reporting to be designed
      under my supervision, to provide reasonable assurance regarding the
      reliability of financial reporting and the preparation of financial
      statements for external purposes in accordance with generally accepted
      accounting principles;       
| |    |                                                                                                                                                                                                                                                                                                                                                                                                            
| | c) | Evaluated the effectiveness of the registrants
      disclosure controls and procedures and presented in this report my
      conclusions about the effectiveness of the disclosure controls and
      procedures, as of the end of the period covered by this report based on
      such evaluation; and                                                                                                 
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| | d) | Disclosed in this report any change in the registrant's
      internal control over financial reporting that occurred during the
      registrant's fourth fiscal quarter that has materially affected, or is
      reasonably likely to materially affect, the registrant's internal control
      over financial reporting; and                                                                          

|(5) | The registrants other certifying officer(s) and I have
      disclosed, based on our most recent evaluation of internal control over
      financial reporting, to the registrants auditors and the audit committee
      of the registrants board of directors (or persons performing the
      equivalent functions):
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|    |                                                                                                                                                                                                                                                                                                                           
|    | a)                                                                                                                                                                                                                                                                                                                        
|    |                                                                                                                                                                                                                                                                                                                           
|    | b)                                                                                                                                                                                                                                                                                                                        

|Date:  | January 19, 2012                      | 
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|       |                                       | 
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|       | */s/ David K. Ryan*                   | 
|       |                                       | 
|By:    | DAVID K. RYAN                         | 
|Title: | Principal Executive Officer
      and | 
|       | Principal Accounting
      Officer    | 

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