Document:

EX-4.9

Exhibit 4.9

CONSENT

			
	TO:	 	Fronteer Development Group Inc.

			
	AND TO:	 	Ontario Securities Commission

Alberta Securities Commission

British Columbia Securities Commission

Saskatchewan Securities Commission

Manitoba Securities Commission

Nova Scotia Securities Commission

Prince Edward Island Securities Office

New Brunswick Securities Commission

Securities Commission of Newfoundland and Labrador

Québec Securities Commission

United States Securities and Exchange Commission

(collectively, the “Commissions”)

			
	AND TO:	 	The Toronto Stock Exchange (the “TSX”)

			
	RE:	 	Technical Reports

 

Reference is made to (i) the technical report dated November 1, 2007 entitled “Updated
Technical Report, Northumberland Project, Nye County, Nevada, USA” which the undersigned
has prepared, together with Michael M. Gustin and Steven Ristorcelli; and (ii) the technical report
dated November 1, 2007 entitled “Updated Technical Report,
Sandman Gold Project, Humboldt County,
Nevada, USA” which the undersigned has prepared, together with Michael M. Gustin and Jim Ashton
(collectively, the “Technical Reports”). The undersigned hereby consents to the use of my name in
connection with references to my preparation or involvement in the preparation of the Technical
Reports and the written disclosure of extracts from the Technical Reports or summaries of such
Technical Reports, either directly or as incorporated by reference, in the annual information form
of the Corporation dated March 30, 2009 (the “AIF”) and the Form 40-F of the Corporation dated
March 26, 2009 relating to the AIF filed with the United States Securities and Exchange Commission
(the “Form 40-F”). The undersigned hereby further consents to the use of my name in connection
with references to my preparation or involvement in the preparation of the Technical Reports and
the written disclosure of extracts from the Technical Reports or summaries of such Technical
Reports, either directly or as incorporated by reference, in the Notice of Meeting and Management
Information Circular of Aurora Energy Resources Inc. dated March 20, 2009 (the “Circular”) and the
Corporation’s registration statement on Form F-8 and any amendment thereto relating to the Circular
filed with the United States Securities and Exchange Commission (the “Registration Statement”). I
further consent to the inclusion in the Circular and the Registration Statement of the AIF and the

 

 

Technical Reports (through the inclusion by way of incorporation by reference of the AIF and any
other documents incorporated by reference in the Circular).

The undersigned further confirms that the undersigned has read the AIF, the Technical Reports, the
Form 40-F and the Registration Statement and extracts from or summaries of the AIF and the
Technical Reports contained in the Circular and the Registration Statement by way of incorporation
by reference of the AIF and any other documents incorporated by reference and that they each fairly
and accurately represent the information in the Technical Reports for which the undersigned was
responsible for preparing or supervising and that the undersigned has no reason to believe there
are any misrepresentations in the information contained therein that is derived from the AIF or the
Technical Reports or that is within the undersigned’s knowledge as a result of the services the
undersigned has performed in connection with the AIF and the Technical Reports.

DATED this 30th day of March, 2009.

	 	 	 	 	 
	 	 	 
	 	Per:  	(signed) George Lanier
 	 
	 	 	George Lanier 	 
	 	 	 	 
	 

2EX-4.10

Exhibit 4.10

CONSENT

			
	TO:	 	Fronteer Development Group Inc.

			
	AND TO:	 	Ontario Securities Commission

Alberta Securities Commission

British Columbia Securities Commission

Saskatchewan Securities Commission

Manitoba Securities Commission

Nova Scotia Securities Commission

Prince Edward Island Securities Office

New Brunswick Securities Commission

Securities Commission of Newfoundland and Labrador

Québec Securities Commission

United States Securities and Exchange Commission

(collectively, the “Commissions”)

			
	AND TO:	 	The Toronto Stock Exchange (the “TSX”)

			
	RE:	 	Technical Reports

 

Reference is made to (i) the technical report dated November 1, 2007 entitled “Updated Technical
Report, Sandman Gold Project, Humboldt County, Nevada, USA”, which the undersigned has prepared,
together with Michael M. Gustin and George Lanier; and (ii) the updated technical report entitled
“Technical Report on the Northumberland Project, Nye County, Nevada, USA: Resource Update 2008”,
which the undersigned has prepared, together with Christopher Lee (collectively, the “Technical
Reports”). The undersigned hereby consents to the use of my name in connection with references to
my preparation or involvement in the preparation of the Technical Reports and the written
disclosure of extracts from the Technical Reports or summaries of such Technical Reports, either
directly or as incorporated by reference, in the annual information form of the Corporation dated
March 30, 2009 (the “AIF”) and the Form 40-F of
the Corporation dated March 26, 2009 relating to
the AIF filed with the United States Securities and Exchange Commission (the “Form 40-F”). The
undersigned hereby further consents to the use of my name in connection with references to my
preparation or involvement in the preparation of the Technical Reports and the written disclosure
of extracts from the Technical Reports or summaries of such Technical Reports, either directly or
as incorporated by reference, in the Notice of Meeting and Management Information Circular of
Aurora Energy Resources Inc. dated March 20, 2009 (the “Circular”) and the Corporation’s
registration statement on Form F-8 and any amendment thereto relating to the Circular filed with
the United States Securities and Exchange Commission (the “Registration Statement”). I further
consent to the inclusion in the Circular and the Registration Statement of the AIF and the
Technical Reports (through the inclusion by way of incorporation by reference of the AIF and any
other documents incorporated by reference in the Circular).

 

 

The undersigned further confirms that the undersigned has read the AIF, the Technical Reports, the
Form 40-F and the Registration Statement and extracts from or summaries of the AIF and the
Technical Reports contained in the Circular and the Registration Statement by way of incorporation
by reference of the AIF and any other documents incorporated by reference and that they each fairly
and accurately represent the information in the Technical Reports for which the undersigned was
responsible for preparing or supervising and that the undersigned has no reason to believe there
are any misrepresentations in the information contained therein that is derived from the AIF or the
Technical Reports or that is within the undersigned’s knowledge as a result of the services the
undersigned has performed in connection with the AIF and the Technical Reports.

DATED this 30th day of March, 2009.

	 	 	 	 	 
	 	 	 
	 	Per:  	(signed) Jim Ashton
 	 
	 	 	Jim Ashton, P.Eng. 	 
	 	 	 	 
	 

2EX-4.11

Exhibit 4.11

CONSENT

			
	TO:	 	Fronteer Development Group Inc.

			
	AND TO:	 	Ontario Securities Commission

Alberta Securities Commission

British Columbia Securities Commission

Saskatchewan Securities Commission

Manitoba Securities Commission

Nova Scotia Securities Commission

Prince Edward Island Securities Office

New Brunswick Securities Commission

Securities Commission of Newfoundland and Labrador

Québec Securities Commission

United States Securities and Exchange Commission

(collectively, the “Commissions”)

			
	AND TO:	 	The Toronto Stock Exchange (the “TSX”)

			
	RE:	 	Technical Reports

 

Reference is made to (i) the technical report dated November 1, 2007 entitled “Updated Technical
Report, Northumberland Project, Nye County, Nevada, USA” which the undersigned has prepared,
together with George Lanier and Michael M. Gustin; and (ii) the technical report dated November 1,
2007 entitled “Updated Technical Report of the Zaca Project, Alpine County, California, USA” which
the undersigned has prepared, together with David Griffith (collectively, the “Technical Reports”).
The undersigned hereby consents to the use of my name in connection with references to my
preparation or involvement in the preparation of the Technical Reports and the written disclosure
of extracts from the Technical Reports or summaries of such Technical Reports, either directly or
as incorporated by reference, in the annual information form of the Corporation dated March 30,
2009 (the “AIF”) and the Form 40-F of the
Corporation dated March 26, 2009 relating to the AIF
filed with the United States Securities and Exchange Commission (the “Form 40-F”). The undersigned
hereby further consents to the use of my name in connection with references to my preparation or
involvement in the preparation of the Technical Reports and the written disclosure of extracts from
the Technical Reports or summaries of such Technical Reports, either directly or as incorporated by
reference, in the Notice of Meeting and Management Information Circular of Aurora Energy Resources
Inc. dated March 20, 2009 (the “Circular”) and the Corporation’s registration statement on Form F-8
and any amendment thereto relating to the Circular filed with the United States Securities and
Exchange Commission (the “Registration Statement”). I further consent to the inclusion in the
Circular and the Registration Statement of the AIF and the Technical Reports (through the inclusion
by way of incorporation by reference of the AIF and any other documents incorporated by reference
in the Circular).

 

 

The undersigned further confirms that the undersigned has read those portions of the AIF, the
Technical Reports, the Form 40-F and the Registration Statement and extracts from or summaries of
the AIF and the Technical Reports contained in the Circular and the Registration Statement by way
of incorporation by reference of the AIF and any other documents incorporated by reference that
directly pertain to the Technical Reports and that they each fairly and accurately represent the
information in the Technical Reports for which the undersigned was responsible for preparing or
supervising and that the undersigned has no reason to believe there are any misrepresentations in
the information contained therein that is derived from the AIF or the Technical Reports or that is
within the undersigned’s knowledge as a result of the services the undersigned has performed in
connection with the AIF and the Technical Reports.

DATED this 30th day of March, 2009.

	 	 	 	 	 
	 	 	 
	 	Per:  	(signed) Steven Ristorcelli
 	 
	 	 	Steven Ristorcelli, P. Geo. 	 
	 	 	 	 
	 

2

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