Document:

Filed by Automated Filing Services Inc. (604) 609-0244 - Phage Genomics, Inc. - Exhibit 10.5

 EXTENSION AGREEMENT 

 THIS EXTENSION AGREEMENT is made effective as of the
  22nd day of June, 2005, by and among Phage Genomics, Inc. (the “Optionee”),
  K. Ian Matheson (“Matheson”), Searchlight Minerals, Inc., Pass Minerals
  Inc., Michael D. Anderson, Farrell Drozd, and Michael I. Matheson, (together
  the “Optionors”) (the "Extension Agreement"). 

 WHEREAS: 

 A.         The
  Optionors, the Optionee and Matheson are parties to a Letter Agreement dated
  as of February 8, 2005, (the "Letter Agreement"), wherein the Optionors agreed
  to assign, subject to the fulfillment of certain conditions, all of their right
  title and interest in the following Nevada mineral claim to the Optionee: 

	
Nevada Mineral Claim 
		
Serial Number 
	
	
Rio Raga 306 
		
NMC 715676 
	

 B.          The
  Optionors and the Optionee mutually desire to extend the corporate restructuring
  date set out in Section 7 to the Letter Agreement (the “Restructuring
  Date”) upon the terms and conditions set forth herein. 

 NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration
  of the premises contained herein and for other good and valuable consideration,
  the parties agree as follows: 

 1.          Extension
  of Restructuring Date. Section 7 of the Letter Agreement is hereby revised
  to read as follows: 

   “Phage is completing a corporate restructuring and
    Phage will issue the securities as set forth in this agreement upon completion
    of the restructuring which will be completed on or before June 30, 2005.”
  

 2.          No
  Other Modification. The parties confirm that the terms, covenants and conditions
  of the Letter Agreement remain unchanged and in full force and effect, except
  as modified by this Agreement.

 3.          Headings.
  The headings of the various sections of this Extension Agreement have been inserted
  for convenience of reference only and shall not be deemed to be part of this
  Extension Agreement. 

 4.          Counterparts.
  This Extension Agreement may be executed in two or more counterparts, each of
  which shall constitute an original, but all of which, when taken together, shall
  constitute but one instrument, and shall become effective when one or more counterparts
  have been signed by each party hereto and delivered to the other parties. 

 5.          Successors
  and Assigns. Except as otherwise expressly provided herein, the provisions
  hereof shall inure to the benefit of, and be binding upon, the successors, assigns,
  heirs, executors and administrators of the parties hereto. 

 2

 6.          Entire
  Agreement. This Extension Agreement constitutes the full and entire understanding
  and agreement between the parties with regard to the subject hereof. 

 IN WITNESS WHEREOF, the parties have duly executed
  and delivered this Extension Agreement as of the date first written above. 

	 PHAGE GENOMICS, INC.  	 	 PASS MINERALS INC.  
	 by its authorized signatory:  	 	 by its authorized signatory:  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	
      /s/ K. Ian Matheson  
	 Signature of Authorized Signatory  	 	 Signature of Authorized Signatory  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	
      K. Ian Matheson  
	 Name of Authorized Signatory  	 	 Name of Authorized Signatory  
	  	 	 
	  	 	 
	
      President  	 	
      President  
	 Position of Authorized Signatory  	 	 Position of Authorized Signatory  
	  	 	 
	  	 	 
	  	 	 
	 SEARCHLIGHT MINERALS, INC.  	 	  
	 by its authorized signatory:  	 	  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	  
	 Signature of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	  
	 Name of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	
      President  	 	  
	 Position of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	  	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY K. IAN MATHESON in the presence of:  	 	  
	 	 	 
	 	 	 
	/s/
      Bill Trempe	 	 
	 Signature of Witness  	 	 
	 	 	
      /s/ K. Ian Matheson  
	Bill
      Trempe	 	K. IAN MATHESON  
	 Name of Witness  	 	 
	 	 	  
	651
      Thousand Oaks	 	  
	 Address of Witness  	 	 

 3

	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY MICHAEL D. ANDERSON in the presence of:  	 	 
	 	 	 
	/s/
      Betty R. Trempe	 	
      /s/ Michael D. Anderson  
	 Signature of Witness  	 	 MICHAEL D. ANDERSON  
	 	 	 
	 	 	 
	Betty
      R. Trempe	 	 
	 Name of Witness  	 	  
	 	 	 
	2215 Lucerne Circle	 	 
	Henderson,
      NV  89014	 	 
	 Address of Witness  	 	  
	 	 	 
	 	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY FARRELL DROZD in the presence of:  	 	  
	 	 	 
	/s/
      Bill Trempe	 	 
	 Signature of Witness  	 	
      /s/Farrell Drozd  
	 	 	 FARRELL DROZD  
	Bill
      Trempe	 	 
	 Name of Witness  	 	 
	 	 	 
	651
      Thousand Oaks	 	  
	 Address of Witness  	 	 
	 	 	 
	 	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY MICHAEL I. MATHESON in the presence of:  	 	  
	 	 	 
	 	 	 
	/s/
      Robert L. Moser	 	
      /s/Michael I. Matheson  
	 Signature of Witness  	 	 MICHAEL I. MATHESON  
	 	 	 
	Robert
      L. Moser	 	 
	 Name of Witness  	 	 
	 	 	  
	3907 Martin Pkway	 	 
	Colleyworth,
      TX  76034	 	 
	 Address of WitnessFiled by Automated Filing Services Inc. (604) 609-0244 - Phage Genomics, Inc. - Exhibit 10.6

 EXTENSION AGREEMENT 

 THIS EXTENSION AGREEMENT is made effective as of the
  22nd day of June, 2005, by and among Phage Genomics, Inc. (the “Optionee”),
  K. Ian Matheson (“Matheson”), Searchlight Minerals, Inc. and Britti
  Gold Inc. (together, the “Optionors”) (the "Extension Agreement").

 WHEREAS: 

 A.          The
  Optionors, the Optionee and Matheson are parties to a Letter Agreement dated
  as of February 8, 2005, (the "Letter Agreement"), wherein the Optionors agreed
  to assign, subject to the fulfillment of certain conditions, all of their right
  title and interest in the following Nevada mineral claim to the Optionee: 

	
Nevada Mineral Claim 
		
Serial Number 
	
	
Rio Raga 308 
		
NMC 600842 
	

 B.          The
  Optionors and the Optionee mutually desire to extend the corporate restructuring
  date set out in Section 7 to the Letter Agreement (the “Restructuring
  Date”) upon the terms and conditions set forth herein. 

 NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration
  of the premises contained herein and for other good and valuable consideration,
  the parties agree as follows: 

 1.          Extension
  of Restructuring Date. Section 7 of the Letter Agreement is hereby revised
  to read as follows: 

   “Phage is completing a corporate restructuring and
    Phage will issue the securities as set forth in this agreement upon completion
    of the restructuring which will be completed on or before June 30, 2005.”
  

 2.         No Other
  Modification. The parties confirm that the terms, covenants and conditions
  of the Letter Agreement remain unchanged and in full force and effect, except
  as modified by this Agreement.

 3.          Headings.
  The headings of the various sections of this Extension Agreement have been inserted
  for convenience of reference only and shall not be deemed to be part of this
  Extension Agreement. 

 4.          Counterparts.
  This Extension Agreement may be executed in two or more counterparts, each of
  which shall constitute an original, but all of which, when taken together, shall
  constitute but one instrument, and shall become effective when one or more counterparts
  have been signed by each party hereto and delivered to the other parties. 

 5.          Successors
  and Assigns. Except as otherwise expressly provided herein, the provisions
  hereof shall inure to the benefit of, and be binding upon, the successors, assigns,
  heirs, executors and administrators of the parties hereto. 

 2

 6.          Entire
  Agreement. This Extension Agreement constitutes the full and entire understanding
  and agreement between the parties with regard to the subject hereof. 

 IN WITNESS WHEREOF, the parties have duly executed
  and delivered this Extension Agreement as of the date first written above. 

	 PHAGE GENOMICS, INC.  	 	 BRITTI GOLD INC.  
	 by its authorized signatory:  	 	 by its authorized signatory:  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	
      /s/ David N. Matheson  
	 Signature of Authorized Signatory  	 	 Signature of Authorized Signatory  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	
      David N. Matheson  
	 Name of Authorized Signatory  	 	 Name of Authorized Signatory  
	  	 	 
	  	 	 
	
      President  	 	
      President  
	 Position of Authorized Signatory  	 	 Position of Authorized Signatory  
	  	 	 
	  	 	 
	  	 	 
	 SEARCHLIGHT MINERALS, INC.  	 	  
	 by its authorized signatory:  	 	  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	  
	 Signature of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	  
	 Name of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	
      President  	 	  
	 Position of Authorized Signatory  	 	  
	  	 	 
	  	 	 
	  	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY K. IAN MATHESON in the presence of: 
    	 	  
	  	 	 
	  	 	 
	/s/
      Bill Trempe	 	
      /s/ K. Ian Matheson  
	 Signature of Witness  	 	K. IAN MATHESON  
	 	 	  
	Bill
      Trempe	 	 
	 Name of Witness  	 	 
	 	 	 
	651
      Thousand Oaks	 	 
	 Address of WitnessFiled by Automated Filing Services Inc. (604) 609-0244 - Phage Genomics, Inc. - Exhibit 10.7

 EXTENSION AGREEMENT 

 THIS EXTENSION AGREEMENT is made effective as of the
  22nd day of June, 2005, by and among Phage Genomics, Inc. (the “Optionee”),
  K. Ian Matheson (“Matheson”), Searchlight Minerals, Inc., Geotech
  Mining Inc., Michael D. Anderson, Geosearch Inc., and Patrick B. Matheson (together,
  the “Optionors”) (the "Extension Agreement"). 

 WHEREAS: 

 A.          The
  Optionors, the Optionee and Matheson are parties to a Letter Agreement dated
  as of February 8, 2005, (the "Letter Agreement"), wherein the Optionors agreed
  to assign, subject to the fulfillment of certain conditions, all of their right
  title and interest in the following Nevada mineral claims to the Optionee: 

	Nevada Mineral Claim  	Serial Number 
	 Rio Raga 310  	 NMC 699996  
	 Rio Raga 311  	 NMC 699997  

 B.          The
  Optionors and the Optionee mutually desire to extend the corporate restructuring
  date set out in Section 7 to the Letter Agreement (the “Restructuring
  Date”) upon the terms and conditions set forth herein. 

 NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration
  of the premises contained herein and for other good and valuable consideration,
  the parties agree as follows: 

 1.         Extension
  of Restructuring Date. Section 7 of the Letter Agreement is hereby revised
  to read as follows: 

   “Phage is completing a corporate restructuring and
    Phage will issue the securities as set forth in this agreement upon completion
    of the restructuring which will be completed on or before June 30, 2005.”
  

 2.         No Other
  Modification. The parties confirm that the terms, covenants and conditions
  of the Letter Agreement remain unchanged and in full force and effect, except
  as modified by this Agreement.

 3.          Headings.
  The headings of the various sections of this Extension Agreement have been inserted
  for convenience of reference only and shall not be deemed to be part of this
  Extension Agreement. 

 4.          Counterparts.
  This Extension Agreement may be executed in two or more counterparts, each of
  which shall constitute an original, but all of which, when taken together, shall
  constitute but one instrument, and shall become effective when one or more counterparts
  have been signed by each party hereto and delivered to the other parties. 

 5.          Successors
  and Assigns. Except as otherwise expressly provided herein, the provisions
  hereof shall inure to the benefit of, and be binding upon, the successors, assigns,
  heirs, executors and administrators of the parties hereto. 

 2

 6.         Entire
  Agreement. This Extension Agreement constitutes the full and entire understanding
  and agreement between the parties with regard to the subject hereof. 

 IN WITNESS WHEREOF, the parties have duly executed
  and delivered this Extension Agreement as of the date first written above. 

	 PHAGE GENOMICS, INC.  	 	 GEOTECH MINING INC.  
	 by its authorized signatory:  	 	 by its authorized signatory:  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	
      /s/ Charles A. Ager  
	 Signature of Authorized Signatory  	 	 Signature of Authorized Signatory  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	
      Charles A. Ager  
	 Name of Authorized Signatory  	 	 Name of Authorized Signatory  
	  	 	 
	  	 	 
	
      President  	 	
      President  
	 Position of Authorized Signatory  	 	 Position of Authorized Signatory  
	  	 	 
	  	 	 
	  	 	 
	 SEARCHLIGHT MINERALS, INC.  	 	 GEOSEARCH INC.  
	 by its authorized signatory:  	 	 by its authorized signatory:  
	  	 	 
	  	 	 
	
      /s/ K. Ian Matheson  	 	
      /s/ Carol J. Ager  
	 Signature of Authorized Signatory  	 	 Signature of Authorized Signatory  
	  	 	 
	  	 	 
	
      K. Ian Matheson  	 	
      Carol Jean Ager  
	 Name of Authorized Signatory  	 	 Name of Authorized Signatory  
	  	 	 
	  	 	 
	
      President  	 	
      President  
	 Position of Authorized Signatory  	 	 Position of Authorized Signatory  
	  	 	 
	  	 	 
	  	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY K. IAN MATHESON in the presence of: 
    	 	  
	 	 	 
	/s/
      Bill Trempe	 	 
	 Signature of Witness  	 	 
	 	 	
      /s/ K. Ian Matheson  
	Bill
      Trempe	 	K. IAN MATHESON  
	 Name of Witness  	 	 
	 	 	  
	651
      Thousand Oaks	 	  
	 Address of Witness  	 	 

 3

	 	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY MICHAEL D. ANDERSON in the presence of: 
    	 	 
	 	 	 
	 	 	 
	/s/
      Betty R. Trempe	 	
      /s/Michael D. Anderson  
	 Signature of Witness  	 	 MICHAEL D. ANDERSON  
	 	 	 
	 	 	 
	Betty
      R. Trempe	 	 
	 Name of Witness  	 	  
	 	 	 
	2215 Lucerne Cir.	 	 
	Henderson,
      NV 	 	 
	 Address of Witness  	 	  
	 	 	 
	 	 	 
	 	 	 
	 SIGNED, SEALED AND DELIVERED  	 	  
	 BY PATRICK I. MATHESON in the presence of: 
    	 	  
	 	 	 
	 	 	 
	/s/
      K.I. Matheson	 	
      /s/Patrick I. Matheson  
	 Signature of Witness  	 	 PATRICK I. MATHESON  
	 	 	 
	 	 	 
	K.I.
      Matheson	 	 
	 Name of Witness  	 	  
	 	 	 
	2215 Lucerne Cir.	 	 
	LV.
      NV.  89014	 	 
	 Address of Witness

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