Document:

EX-4.1

 Exhibit 4.1 
 Form of Lock-Up Agreement 

                    , 2013 

Haywood Securities Inc. 
 As
Representative of the several 
 Underwriters referred to below 

Uranerz Energy Corporation Lock-Up Agreement 
 Ladies and Gentlemen: 
 This letter agreement (this “Agreement”)
relates to the proposed public offering (the “Offering”) by Uranerz Energy Corporation, a Nevada corporation (the “Company”), of its common stock, $0.001 par value per share (the “Stock”), and
warrants to purchase Stock. 
 In order to induce you and the other underwriters for which you act as representatives (the
“Underwriters”) to act as underwriters in connection with the Offering, the undersigned hereby agrees that, without the prior written consent of Haywood Securities Inc. (the “Lead Manager”), during the period from
the date hereof until ninety (90) days from the date of the final prospectus for the Offering (the “Lock-Up Period”), the undersigned (a) will not, directly or indirectly, offer, sell, agree to offer or sell, solicit
offers to purchase, grant any call option or purchase any put option with respect to, pledge, borrow or otherwise dispose of any Relevant Security (as defined below), and (b) will not establish or increase any “put equivalent
position” or liquidate or decrease any “call equivalent position” with respect to any Relevant Security (in each case within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and
regulations promulgated thereunder), or otherwise enter into any swap, derivative or other transaction or arrangement that transfers to another, in whole or in part, any economic consequence of ownership of a Relevant Security, whether or not such
transaction is to be settled by delivery of Relevant Securities, other securities, cash or other consideration. As used herein “Relevant Security” means the Stock, any other equity security of the Company or any of its subsidiaries and any
security convertible into, or exercisable or exchangeable for, any Stock or other such equity security. The foregoing provisions of this paragraph shall not apply to (a) transfers of shares of Common Shares or any security convertible into or
exercisable or exchangeable for Common Shares disposed of as bona fide gifts, (b) entry into written trading plans for the sale or other disposition by the undersigned of Common Shares for purposes of complying with Rule 10b5-1 of the Exchange
Act (“10b5-1 Plans”), provided that no sales or other distributions pursuant to a 10b5-1 Plan may occur until the expiration of the Lock-Up Period and provided that no public announcements or public filings are made regarding the
entry into a 10b5-1 Plan until the expiration of the Lock-Up Period, (c) transfers by the undersigned of shares of Common Shares or any security convertible into or exercisable or exchange able for Common Shares as a result of testate,
intestate succession or bona fide estate planning, (d) transfers by the undersigned to a trust, partnership, limited liability company or 

 
other entity, the majority of the beneficial interests of which are held, directly or indirectly, by the undersigned, (e) distributions by the undersigned of shares of Common Shares or any
security convertible into or exercisable or exchangeable for Common Shares to limited partners or stockholders of the undersigned and (f) the exercise of an option or warrant or the conversion of a security outstanding on the date of this
Lock-up Agreement by the undersigned pursuant to the Company’s Stock Option Plan, provided that no sales of the underlying common stock occurs until the expiration of the Lock-Up Period; provided that in the case of any such permitted transfer
or distribution pursuant to clause (a), (c), (d), (e) or (f), each transferee or distribute shall sign and deliver a lock-up letter substantially in the form of this Agreement. 

Notwithstanding the preceding paragraph, if (1) during the last 17 days of the Period the Company issues an earnings release or
material news or a material event relating to the Company occurs; or (2) prior to the expiration of the Lock-Up Period the Company announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-Up
Period, the restrictions imposed by the immediately preceding paragraph shall continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the occurrence of the material news or material event, as
applicable, unless the Lead Manager waive, in writing, such extension. The undersigned acknowledges that the Company has agreed in the underwriting agreement for the Offering to provide notice to the undersigned of any event that would result in an
extension of the Lock-Up Period pursuant to this paragraph, and the undersigned agrees that any such notice properly delivered will be deemed to have been given to, and received by, the undersigned. 

The undersigned hereby authorizes the Company during the Lock-Up Period to cause any transfer agent for the Relevant Securities to
decline to transfer, and to note stop transfer restrictions on the stock register and other records relating to, Relevant Securities for which the undersigned is the record holder and, in the case of Relevant Securities for which the undersigned is
the beneficial but not the record holder, agrees during the Lock-Up Period to cause the record holder to cause the relevant transfer agent to decline to transfer, and to note stop transfer restrictions on the stock register and other records
relating to, such Relevant Securities. The undersigned hereby further agrees that, without the prior written consent of the Lead Manager, during the Lock-Up Period the undersigned (x) will not file or participate in the filing with the
Securities and Exchange Commission of any registration statement, or circulate or participate in the circulation of any preliminary or final prospectus or other disclosure document with respect to any proposed offering or sale of a Relevant Security
and (y) will not exercise any rights the undersigned may have to require registration with the Securities and Exchange Commission of any proposed offering or sale of a Relevant Security. 

The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this Agreement and that
this Agreement constitutes the legal, valid and binding obligation of the undersigned, enforceable in accordance with its terms. Upon request, the undersigned will execute any additional documents necessary in connection with enforcement hereof. Any
obligations of the undersigned shall be binding upon the successors and assigns of the undersigned from the date first above written. 

 This Agreement shall be governed by and construed in accordance with the laws of the State
of New York. Delivery of a signed copy of this letter by facsimile transmission shall be effective as delivery of the original hereof. 
 [signature page follows] 

 
			
	Very truly yours,
		
	By:	 	  

			
	Print Name:EX-10.1

 Exhibit 10.1 
 [MRMI Letterhead] 
 August 23, 2013 
 David Brain 
 EPT Concord II, LLC 
 c/o Entertainment Properties Trust 
 909 Walnut Street, Suite 200 

Kansas City, Missouri 64106 
 Dear
Mr. Brain: 
 Reference is made to that certain Option Agreement, dated as of December 21, 2011, between EPT Concord
II, LLC (“EPT”), as owner of the Property described therein, and Monticello Raceway Management, Inc. (“MRMI”; together with EPT, collectively, the “Parties”), as tenant, as amended by that certain letter agreement,
dated March 30, 2012, between EPT and MRMI, by that certain letter agreement, dated April 30, 2012, between EPT and MRMI, by that certain letter agreement, dated May 30, 2012, between EPT and MRMI, by that certain letter agreement,
dated June 29, 2012, between EPT and MRMI, by that certain letter agreement, dated October 1, 2012, between EPT and MRMI, by that certain letter agreement, dated October 12, 2012, between EPT and MRMI, by that certain letter
agreement, dated October 31, 2012, between EPT and MRMI, by that certain letter agreement, dated November 30, 2012, between EPT and MRMI, by that certain MRMI Option Extension Notice, dated March 7, 2013, and Additional Option
Payment, by that certain letter agreement, dated June 27, 2013, between EPT and MRMI and by that certain letter agreement, dated July 30, 2013, between EPT and MRMI, and by that certain letter agreement, dated August 14, 2013, between
EPT and MRMI (collectively, the “Letter Agreements”), copies of which are attached hereto as Exhibit A. The term “Option Agreement” as used herein shall mean the Option Agreement as amended by the Letter Agreements. 

The Parties hereby agree to amend the Option Agreement to extend the Option Exercise Period and Final Option Exercise Outside Date (as
defined therein) by seven (7) days, such that the Final Option Exercise Outside Date shall mean August 30, 2013. Neither EPT nor MRMI (nor any of their respective permitted successors or assigns) shall have the right to terminate the
Option Agreement prior to the Final Option Exercise Outside Date as extended by this letter agreement. Except as set forth herein, the Option Agreement is unamended and remains in full force and effect. 

 [SIGNATURE PAGE FOLLOWS] 

 If the foregoing accurately sets forth your understanding of our agreement, please indicate
your concurrence by signing in the space provided below and returning one copy of this letter to the undersigned. We look forward to continuing to work with you to complete the master development plan expeditiously. 

 

			
	Very truly yours,
	
	Monticello Raceway Management, Inc.
		
	By:	 	/s/ Laurette J. Pitts
		 	  

		 	Laurette Pitts
		 	CFO/COO

  

			
	Accepted and agreed to as of
	the 23rd day of August, 2013:
	
	EPT Concord II, LLC
		
	By:	 	/s/ Greg Silvers
		 	  

		 	Name: Greg Silvers
		 	Title:

 With notice to: 

EPT Concord II, LLC 
 c/o Entertainment
Properties Trust 
 909 Walnut Street, Suite 200 
 Kansas City, Missouri 64106 
 Attention: Asset Manager 

And copies to: 
 Entertainment Properties Trust

 909 Walnut Street, Suite 200 
 Kansas
City, Missouri 64106 
 Attention: General Counsel 
 and 
 Zarin & Steinmetz 
 81 Main Street 
 White Plains, New York 10601 

Attention: Michael D. Zarin, Esq.

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