Document:

exv4w10

Exhibit 4.10

Consent of Jim Ashton

     I, Jim Ashton, hereby confirm that I have read the Offer and Circular of Fronteer Development
Group Inc. (the “Company”) furnished with the Company’s offer dated January 23, 2009 to purchase
all of the issued and outstanding common shares of Aurora Energy Resources Inc., which Offer and
Circular incorporates by reference the Company’s annual information form dated March 27, 2008 for
the year ended December 31, 2007 (the “AIF”).

     I hereby consent to the use of my name in connection with references to my preparation or
involvement in the preparation of the following technical reports in the AIF or other documents
incorporated by reference therein: (i) the technical report dated November 1, 2007 entitled
“Updated Technical Report, Sandman Gold Project, Humboldt County, Nevada, USA” prepared together
with Michael M. Gustin and George Lanier, and (ii) the technical report dated May 31, 2007 entitled
“Updated Technical Report, Sandman Gold Project, Humboldt County, Nevada, USA” prepared together
with Michael M. Gustin and George Lanier (collectively, the “Technical Reports”). I further
consent to the inclusion in the Offer and Circular and the registration statement on Form F-8 filed
with the United States Securities and Exchange Commission (the “Registration Statement”) of the
Technical Reports (through the inclusion by way of incorporation by reference of the AIF in the
Offer and Circular) and of extracts from or a summary of the Technical Reports in the Offer and
Circular and the Registration Statement or any documents incorporated by reference therein.

     I also hereby confirm that I have read the Technical Reports and extracts from or a summary of
the Technical Reports contained in the Offer and Circular and the Registration Statement by way of
incorporation by reference of the AIF and that I have no reason to believe there are any
misrepresentations in the information contained therein that is derived from the Technical Reports
or that is within my knowledge as a result of the services that I have performed in connection with
the Technical Reports.

	 	 	 	 	 
	 	 	 
	January 23, 2009 	  	(signed) Jim Ashton
 	 
	 	 	Jim Ashton, P.Eng.exv4w11

Exhibit 4.11

Consent of Steven Ristorcelli

     I, Steven Ristorcelli, hereby confirm that I have read the Offer and Circular of Fronteer
Development Group Inc. (the “Company”) furnished with the Company’s offer dated January 23, 2009 to
purchase all of the issued and outstanding common shares of Aurora Energy Resources Inc., which
Offer and Circular incorporates by reference the Company’s annual information form dated March 27,
2008 for the year ended December 31, 2007 (the “AIF”).

     I hereby consent to the use of my name in connection with references to my preparation or
involvement in the preparation of the following technical reports in the AIF or other documents
incorporated by reference therein: (i) the technical report dated November 1, 2007 entitled
“Updated Technical Report of the Zaca Project, Alpine County, California, USA” prepared together
with David Griffith, (ii) the technical report dated November 1, 2007 entitled “Updated Technical
Report Northumberland Project, Nye County, Nevada, USA” prepared together with Michael M. Gustin
and George Lanier, and (iii) the technical report dated July 15, 2006 entitled “Technical Report
Northumberland Project, Nye County, Nevada, USA” prepared together with Michael M. Gustin and
George Lanier (collectively, the “Technical Reports”). I further consent to the inclusion in the
Offer and Circular and the registration statement on Form F-8 filed with the United States
Securities and Exchange Commission (the “Registration Statement”) of the Technical Reports (through
the inclusion by way of incorporation by reference of the AIF in the Offer and Circular) and of
extracts from or a summary of the Technical Reports in the Offer and Circular and the Registration
Statement or any documents incorporated by reference therein.

     I also hereby confirm that I have read the Technical Reports and extracts from or a summary of
the Technical Reports contained in the Offer and Circular and the Registration Statement by way of
incorporation by reference of the AIF and that I have no reason to believe there are any
misrepresentations in the information contained therein that is derived from the Technical Reports
or that is within my knowledge as a result of the services that I have performed in connection with
the Technical Reports.

	 	 	 	 	 
	 	 	 
	January 23, 2009 	  	(signed) Steven Ristorcelli
 	 
	 	 	Steven Ristorcelli, R.P.Geo.exv4w12

Exhibit 4.12

Consent of David Griffith

     I, David Griffith, hereby confirm that I have read the Offer and Circular of Fronteer
Development Group Inc. (the “Company”) furnished with the Company’s offer dated January 23, 2009 to
purchase all of the issued and outstanding common shares of Aurora Energy Resources Inc., which
Offer and Circular incorporates by reference the Company’s annual information form dated March 27,
2008 for the year ended December 31, 2007 (the “AIF”).

     I hereby consent to the use of my name in connection with references to my preparation or
involvement in the preparation of the following technical reports in the AIF or other documents
incorporated by reference therein: (i) the technical report dated November 1, 2007 entitled
“Updated Technical Report of the Zaca Project, Alpine County, California, USA” prepared together
with Steven Ristorcelli, and (ii) the technical report dated July 24, 2006 entitled “Technical
Report, Great Basin East Properties, Elko County, Nevada and Box Elder County, Utah, USA”
(collectively, the “Technical Reports”). I further consent to the inclusion in the Offer and
Circular and the registration statement on Form F-8 filed with the United States Securities and
Exchange Commission (the “Registration Statement”) of the Technical Reports (through the inclusion
by way of incorporation by reference of the AIF in the Offer and Circular) and of extracts from or
a summary of the Technical Reports in the Offer and Circular and the Registration Statement or any
documents incorporated by reference therein.

     I also hereby confirm that I have read the Technical Reports and extracts from or a summary of
the Technical Reports contained in the Offer and Circular and the Registration Statement by way of
incorporation by reference of the AIF and that I have no reason to believe there are any
misrepresentations in the information contained therein that is derived from the Technical Reports
or that is within my knowledge as a result of the services that I have performed in connection with
the Technical Reports.

	 	 	 	 	 
	 	 	 
	January 23, 2009 	  	(signed) David Griffith
 	 
	 	 	David Griffith, P.Geo.exv4w13

Exhibit 4.13

Consent of Davies Ward Phillips & Vineberg LLP

To:   The Directors of Fronteer Development Group Inc.

     We hereby consent to the reference to our name and opinions contained under “Legal Matters”,
“Experts” and “Certain Canadian Federal Income Tax Considerations” in the Circular accompanying the
Offer dated January 23, 2009 made by Fronteer Development Group Inc. to the holders of Common
Shares of Aurora Energy Resources Inc. and in the registration statement on Form F-8 filed
with the United States Securities and Exchange Commission.

	 	 	 	 	 
	 	 	 
	Toronto, Ontario	  	(signed) Davies Ward Phillips & Vineberg LLP
 	 
	January 23, 2009 	 	Davies Ward Phillips & Vineberg llpexv4w14

Exhibit 4.14

Consent
of Independent Accountants

     We hereby consent to the incorporation by reference in the registration statement on Form F-8
of Fronteer Development Group Inc. (the “Registrant”) of our report dated March 27, 2008 relating
to the consolidated balance sheets of the Registrant as at December 31, 2007 and 2006 and the
consolidated statements of operations, comprehensive income, shareholders’ equity and cash flows
for each of the years in the three-year period ended December 31, 2007.

	 	 	 	 	 
	 	 	 
	Vancouver, British Columbia	  	(signed) PricewaterhouseCoopers LLP
 	 
	January 23, 2009 	 	PricewaterhouseCoopers LLP 	 
	 	 	Chartered AccountantsEX-4.15

Exhibit 4.15

Consent
of Independent Registered Public Accountant

     We hereby consent to the incorporation by reference in the registration statement on Form F-8
of Fronteer Development Group Inc. of our report dated March 28, 2007 to the shareholders of
NewWest Gold Corporation (“NewWest”) dated
March 28, 2007 on the consolidated balance
sheets of NewWest as at December 31, 2006 and 2005 and the consolidated statements of operations,
shareholders’ equity and cash flows for each of the years in the three-year period ended December
31, 2006, and to the reference to our firm under the heading “Experts” in the Offer and Circular.

	 	 	 	 	 
	 	 	 
	Toronto, Ontario	  	(signed) KPMG LLP
 	 
	January 23, 2009 	 	KPMG LLP 	 
	 	 	Chartered Accountants

Licensed Public AccountantsEXHIBIT 10.44

             THIRTEENTH AMENDED AND RESTATED JOINT FILING AGREEMENT
             ------------------------------------------------------
                          PURSUANT TO RULE 13d-1(k)(1)
                          ----------------------------

This Thirteenth Amended and Restated Agreement is made pursuant to Rule
13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (the "Act") by
and among the parties listed below, each referred to herein as a "Joint Filer."
The Joint Filers agree that a statement of beneficial ownership as required by
Section 13(d) of the Act and the Rules thereunder may be filed on each of their
behalf on Schedule 13D and that said joint filing may thereafter be amended by
further joint filings. The Joint Filers state that they each satisfy the
requirements for making a joint filing under Rule 13d-1.

Dated:  January 23, 2009

                    [remainder of page intentionally blank]

<PAGE>

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the
date first above written.

                                  Flag Luxury Riv, LLC

                                  By: FX Luxury, LLC
                                      ------------------------------------------
                                      Its sole member

                                      By: FX Real Estate and Entertainment, Inc.
                                          --------------------------------------
                                          Its Managing Member

                                          By: /s/ Paul Kanavos
                                              ----------------------------------
                                          Name: Paul Kanavos
                                          Title: President

                                  RH1, LLC

                                  By: FX Luxury, LLC
                                      ------------------------------------------
                                      Its sole member

                                       By: FX Real Estate and Entertainment Inc.
                                           -------------------------------------
                                           Its Managing Member

                                           By: /s/ Paul Kanavos
                                               ---------------------------------
                                           Name: Paul Kanavos
                                           Title: President

                                  FX Luxury, LLC

                                       By: FX Real Estate and Entertainment Inc.
                                           -------------------------------------
                                           Its Managing Member

                                           By: /s/ Paul Kanavos
                                               ---------------------------------
                                           Name: Paul Kanavos
                                           Title: President

                                  FX Real Estate and Entertainment Inc.

                                  By: /s/ Paul Kanavos
                                      ------------------------------------------
                                  Name: Paul Kanavos
                                  Title: President

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Paul Kanavos

                                    /s/ Paul Kanavos
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Robert F.X. Sillerman

                                    /s/ Robert F.X. Sillerman
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Brett Torino

                                    /s/ Brett Torino
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Barry A. Shier

                                    /s/ Barry A. Shier
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Robert Sudack

                                    /s/ Robert Sudack
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Mitchell J. Nelson

                                    /s/ Mitchell J. Nelson
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    David M. Ledy

                                    /s/ David Ledy
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Harvey Silverman

                                    /s/ Harvey Silverman
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Bryan E. Bloom

                                    /s/ Bryan E. Bloom
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    Michael J. Meyer

                                    /s/ Michael J. Meyer
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]
<PAGE>

                                    John D. Miller

                                    /s/ John D. Miller
                                    --------------------------------------------

[13th Amended and Restated Joint Filing Agreement]

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