Document:

Form of Warrant - Fountainhead Holdings, Inc.

 Exhibit 4.13 
 THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY APPLICABLE STATE LAWS, AND NO INTEREST THEREIN MAY BE SOLD, DISTRIBUTED, ASSIGNED, OFFERED, PLEDGED
OR OTHERWISE TRANSFERRED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS COVERING ANY SUCH TRANSACTION, OR SUCH TRANSACTION IS EXEMPT FROM THE REGISTRATION REQUIREMENTS OF SUCH ACT AND LAWS,
SUCH COMPLIANCE, AT THE OPTION OF THE CORPORATION, TO BE EVIDENCED BY AN OPINION OF THE WARRANT HOLDER’S COUNSEL, ACCEPTABLE TO THE CORPORATION, THAT NO VIOLATION OF SUCH REGISTRATION PROVISIONS WOULD RESULT FROM ANY PROPOSED TRANSFER OR
ASSIGNMENT. 
 COMMON STOCK PURCHASE WARRANT 
 DUSKA THERAPEUTICS, INC. 
 THIS CERTIFIES that for good and valuable consideration received,
Fountainhead Holdings, Inc. or a registered assignee (the “Holder”) is entitled, upon the terms and subject to the conditions hereinafter set forth, to acquire from Duska Therapeutics, Inc., a Nevada corporation (the
“Corporation”), up to Two Million One Hundred Fifty Thousand (2,150,000) fully paid and nonassessable shares of common stock, par value $0.001, of the Corporation (“Warrant Stock”) at an exercise price per
share of $0.01 for the first 900,000 of the shares (the “900,000 Warrants”), $0.125 for the next 500,000 shares (the “500,000 Warrants”), and $0.50 for the remaining 750,000 shares (the “750,000
Shares”) (each such price, the “Exercise Price”). This Warrant supersedes, replaces, and hereby terminates any warrants previously granted to Fountainhead Holdings, Inc., Holder and Investor Relations International
(“IRI”). 
  

	1.	Duration and Exercisability of Warrant. 

 Subject to
the terms and conditions set forth herein, the right to exercise this Warrant shall vest in Holder and shall become exercisable, in whole or in part, on or after the date(s) on which (each such date, a “Vesting Date”), and in the
amounts set forth in, and subject to, the conditions set forth in that certain Letter of Engagement and Work Authorization by and between the Corporation and IRI dated October 1, 2005, as amended February 3, 2006 (as amended, restated,
supplemented or otherwise modified from time to time, the “Engagement Letter”) are met and at or prior to 11:59 p.m., Eastern Standard Time, on December 31, 2006 (the “Expiration Time”). 
  

	2.	Exercise of Warrant. 

 The purchase rights
represented by this Warrant are exercisable by the registered Holder hereof, in whole or in part, at any time and from time to time at or after the Vesting Date as set forth in Section 1 of this Warrant and at or prior to the Expiration Time by
the surrender of this Warrant and the Notice of Exercise form attached hereto duly executed to the office of the Corporation at Duska Therapeutics, Inc., Two Bala Plaza, Suite 300, Bala Cynwyd, Pennsylvania 19004 (or such other office or agency of
the Corporation as it may designate by notice in writing to the registered Holder hereof at the address of such Holder appearing on the books of the Corporation), and upon payment of the Exercise Price for the shares thereby purchased (by cash or by
check or bank draft payable to the order of the Corporation or by cancellation of indebtedness of the Corporation to the Holder hereof, if any, at the time of exercise in an amount equal to the purchase price of the shares thereby purchased);
whereupon the Holder of this 

 
Warrant shall be entitled to receive from the Corporation a stock certificate in proper form representing the number of shares of Warrant Stock so purchased.

  

	3.	Issuance of Shares; No Fractional Shares of Scrip. 

 Certificates for shares purchased hereunder shall be delivered to the Holder hereof by the Corporation’s transfer agent at the Corporation’s expense within a reasonable time after the date on which this Warrant shall have been
exercised in accordance with the terms hereof. Each certificate so delivered shall be in such denominations as may be requested by the Holder hereof and shall be registered in the name of such Holder or, subject to applicable laws, such other name
as shall be requested by the Holder. If, upon exercise of this Warrant, fewer than all of the shares of Warrant Stock evidenced by this Warrant are purchased prior to the Expiration Time, one or more new warrants substantially in the form of, and on
the terms in, this Warrant will be issued for the remaining number of shares of Warrant Stock not purchased upon exercise of this Warrant. The Corporation hereby represents and warrants that all shares of Warrant Stock which may be issued upon the
exercise of this Warrant will, upon such exercise, be duly and validly authorized and issued, fully paid and nonassessable and free from all taxes, liens and charges in respect of the issuance thereof (other than liens or charges created by or
imposed upon the Holder of the Warrant Stock). The Corporation agrees that the shares so issued shall be and will be deemed to be issued to such Holder as the record owner of such shares as of the close of business on the date on which this Warrant
shall have been surrendered for exercise in accordance with the terms hereof. No fractional shares or scrip representing fractional shares shall be issued upon the exercise of this Warrant. With respect to any fraction of a share called for upon the
exercise of this Warrant, an amount equal to such fraction multiplied by the then current price at which each share may be purchased hereunder shall be paid in cash to the Holder of this Warrant. 
  

	4.	Charges, Taxes and Expenses. 

 Issuance of
certificates for shares of Warrant Stock upon the exercise of this Warrant shall be made without charge to the Holder hereof for any issue or transfer tax or other incidental expense in respect of the issuance of such certificate, all of which taxes
and expenses shall be paid by the Corporation, and such certificates shall be issued in the name of the Holder of this Warrant or in such name or names as may be directed by the Holder of this Warrant; provided, however, that in the event
certificates for shares of Warrant Stock are to be issued in a name other than the name of the Holder of this Warrant, this Warrant when surrendered for exercise shall be accompanied by an Assignment Form to be provided by the Corporation duly
executed by the Holder hereof. 
  

	5.	No Rights as Stockholders. 

 This Warrant does not
entitle the Holder hereof to any voting rights or other rights as a stockholder of the Corporation prior to the exercise hereof. 
  

	6.	Exchange and Registry of Warrant. 

 This Warrant is
exchangeable, upon the surrender hereof by the registered Holder at the above mentioned office or agency of the Corporation, for a new Warrant of like tenor and dated as of such exchange. The Corporation shall maintain at the above-mentioned office
or agency a registry showing the name and address of the registered Holder of this Warrant. This Warrant may be surrendered for exchange, transfer or exercise, in accordance with its terms, at such office or agency of the Corporation, and the
Corporation shall be entitled to rely in all respects, prior to written notice to the contrary, upon such registry. 
  

 - 2 - 

	7.	Loss, Theft, Destruction or Mutilation of Warrant. 

 Upon receipt by the Corporation of evidence reasonably satisfactory to it of the loss, theft, destruction or mutilation of this Warrant and in case of loss, theft or destruction of indemnity or security reasonably satisfactory to it, and
upon reimbursement to the Corporation of all reasonable expenses incidental thereto, and upon surrender and cancellation of this Warrant, if mutilated, the Corporation will make and deliver a new Warrant of like tenor and dated as of such
cancellation, in lieu of this Warrant. 
  

	8.	Saturdays, Sundays and Holidays. 

 If the last or
appointed day for the taking of any action or the expiration of any right required or granted herein shall be a Saturday or a Sunday or a legal holiday, then such action may be taken or such right may be exercised on the next succeeding day not a
Saturday, Sunday or legal holiday. 
  

	9.	Merger, Sale of Assets, Etc. 

 If at any time the
Corporation proposes to merge or consolidate with or into any other corporation, effect any reorganization, or sell or convey all or substantially all of its assets to any other entity, then, as a condition of such reorganization, consolidation,
merger, sale or conveyance, the Corporation or its successor, as the case may be, shall enter into a supplemental agreement to make lawful and adequate provision whereby the Holder shall have the right to receive, upon exercise of the Warrant, the
kind and amount of equity securities which would have been received upon such reorganization, consolidation, merger, sale or conveyance by a Holder of a number of shares of common stock equal to the number of shares issuable upon exercise of the
Warrant immediately prior to such reorganization, consolidation, merger, sale or conveyance. If the property to be received upon such reorganization, consolidation, merger, sale or conveyance is not equity securities, the Corporation shall give the
Holder of this Warrant ten (10) business days prior written notice of the proposed effective date of such transaction, and if this Warrant has not been exercised by or on the effective date of such transaction, it shall terminate. 

 

	10.	Subdivision, Combination, Reclassification, Conversion, Etc. 

 If the Corporation at any time shall by subdivision, combination, reclassification of securities or otherwise, change the Warrant Stock into the same or a different number of securities of any class or classes, this
Warrant shall thereafter entitle the Holder to acquire such number and kind of securities as would have been issuable in respect of the Warrant Stock (or other securities which were subject to the purchase rights under this Warrant immediately prior
to such subdivision, combination, reclassification or other change) as the result of such change if this Warrant had been exercised in full for cash immediately prior to such change. The Exercise Price hereunder shall be adjusted if and to the
extent necessary to reflect such change. If the Warrant Stock or other securities issuable upon exercise hereof are subdivided or combined into a greater or smaller number of shares of such security, the number of shares issuable hereunder shall be
proportionately increased or decreased, as the case may be, and the Exercise Price shall be proportionately reduced or increased, as the case may be, in both cases according to the ratio which the total number of shares of such security to be
outstanding immediately after such event bears to the total number of shares of such security outstanding immediately prior to such event. The Corporation shall give the Holder prompt written notice of any change in the type of securities issuable
hereunder, any adjustment of the Exercise Price for the securities issuable hereunder, and any increase or decrease in the number of shares issuable hereunder. 
  

 - 3 - 

	11.	Transferability; Compliance with Securities Laws. 

 (a) This Warrant may not be transferred or assigned in whole or in part without compliance with all applicable federal and state securities laws by the transferor and transferee (including the delivery of investment representation letters
and legal opinions reasonably satisfactory to the Corporation, if requested by the Corporation). Subject to such restrictions, prior to the Expiration Time, this Warrant and all rights hereunder are transferable by the Holder hereof, in whole or in
part, at the office or agency of the Corporation referred to in Section 2 hereof. Any such transfer shall be made in person or by the Holder’s duly authorized attorney, upon surrender of this Warrant together with the Assignment Form
attached hereto properly endorsed. 
 (b) The Holder of this Warrant, by acceptance hereof, acknowledges that this Warrant and the Warrant
Stock issuable upon exercise hereof are being acquired solely for the Holder’s own account and not as a nominee for any other party, and for investment, and that the Holder will not offer, sell or otherwise dispose of this Warrant or any shares
of Warrant Stock to be issued upon exercise hereof except under circumstances that will not result in a violation of the Securities Act of 1933, as amended (the “Securities Act”), the rules and regulations promulgated thereunder, or
any state securities laws. Upon exercise of this Warrant, the Holder shall, if requested by the Corporation, confirm in writing, in a form satisfactory to the Corporation, that the shares of Warrant Stock so purchased are being acquired solely for
Holder’s own account and not as a nominee for any other party, for investment, and not with a view toward distribution or resale. 
 (c)
The Warrant Stock has not been registered under the Securities Act and prior to registration of the Warrant Stock under the Securities Act, this Warrant may not be exercised except by (i) the original purchaser of this Warrant from the
Corporation or (ii) an “accredited investor” as defined in Rule 501(a) under the Securities Act. Each certificate representing the Warrant Stock or other securities issued in respect of the Warrant Stock upon any stock split, stock
dividend, recapitalization, merger, consolidation or similar event, shall be stamped or otherwise imprinted with a legend substantially in the following form (in addition to any legend required under applicable securities laws): 
 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY APPLICABLE STATE LAWS, AND NO
INTEREST THEREIN MAY BE SOLD, DISTRIBUTED, ASSIGNED, OFFERED, PLEDGED OR OTHERWISE TRANSFERRED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS COVERING ANY SUCH TRANSACTION, OR SUCH TRANSACTION
IS EXEMPT FROM THE REGISTRATION REQUIREMENTS OF SUCH ACT AND LAWS, SUCH COMPLIANCE, AT THE OPTION OF THE CORPORATION, TO BE EVIDENCED BY AN OPINION OF THE HOLDER’S COUNSEL, ACCEPTABLE TO THE CORPORATION, THAT NO VIOLATION OF SUCH REGISTRATION
PROVISIONS WOULD RESULT FROM ANY PROPOSED TRANSFER OR ASSIGNMENT. 
 (d) The Corporation shall file a registration statement (the
“Registration Statement”) under the Securities Act covering the resale of the Warrant Stock. 
 (e) If the Registration
Statement is not declared effective on or before June 5, 2006, and the Holder and the Corporation do not agree otherwise, the Holder’s rights under this Warrant shall terminate on July 15, 2006 without further action by the Holder or
the Corporation. 
  

 - 4 - 

	12.	Representations and Warranties. 

 The Corporation
hereby represents and warrants to the Holder hereof that: 
 (a) during the period that this Warrant is outstanding, the Corporation will
reserve from its authorized and unissued common stock a sufficient number of shares to provide for the issuance of Warrant Stock upon the exercise of this Warrant; 
 (b) the issuance of this Warrant shall constitute full authority to the Corporation’s officers who are charged with the duty of executing stock certificates to execute and issue the necessary certificates for the
shares of Warrant Stock issuable upon exercise of this Warrant; 
 (c) the Corporation has all requisite legal and corporate power to execute
and deliver this Warrant, to sell and issue the Warrant Stock hereunder, and to carry out and perform its obligations under the terms of this Warrant; 
 (d) all corporate action on the part of the Corporation, its directors and stockholders necessary for the authorization, execution, delivery and performance of this Warrant by the Corporation, the authorization, sale,
issuance and delivery of the Warrant Stock, the grant of registration rights as provided herein and the performance of the Corporation’s obligations hereunder has been taken; 
 (e) the Warrant Stock, when issued in compliance with the provisions of this Warrant and the Corporation’s Certificate of Incorporation (as they may
be amended from time to time), will be validly issued, fully paid and nonassessable, and free of all taxes, liens or encumbrances with respect to the issue thereof, and will be issued in compliance with all applicable federal and state securities
laws; and 
 (f) the issuance of the Warrant Stock will not be subject to any preemptive rights, rights of first refusal or similar rights.

  

	13.	Governing Law. 

 This Warrant shall be governed by
and construed in accordance with the internal laws of the State of Nevada. 
 IN WITNESS WHEREOF, the Corporation has caused this Warrant to
be executed by its duly authorized officers. 
 Dated: March 20, 2006 
  

			
	DUSKA THERAPEUTICS, INC.
		
	By:	 	/s/ Dr. Amir Pelleg
		 	Dr. Amir Pelleg, President

  

 - 5 - 

 NOTICE OF EXERCISE 
  

	To:	Duska Therapeutics, Inc. 

  

	(1)	The undersigned hereby elects to purchase shares of common stock of Duska Therapeutics, Inc. pursuant to the terms of the attached Warrant and tenders herewith payment of the
purchase price in full, together with all applicable transfer taxes, if any. 

  

	(2)	In exercising this Warrant, the undersigned hereby confirms and acknowledges that the shares of common stock to be issued upon exercise hereof are being acquired solely for the
account of the undersigned and not as a nominee for any other party, and for investment and that the undersigned will not offer, sell or otherwise dispose of any such shares of common stock except under circumstances that will not result in a
violation of the Securities Act of 1933, as amended, or any state securities laws. 

  

	(3)	Please issue a certificate or certificates representing said shares of common stock in the name of the undersigned or in such other name as is specified below:

  

			
		  	Please type or print in block letters
		
		  	  
		  	(Name)
		  	  
		  	(Address)
		  	  
		  	  
		  	(Tax I.D. No.)

  

	(4)	The undersigned represents that (a) he, she or it is the original purchaser from the Corporation of the attached Warrant or an ‘accredited investor’ within the
meaning of Rule 501(a) under the Securities Act of 1933, as amended and (b) the aforesaid shares of common stock are being acquired for the account of the undersigned for investment and not with a view to, or for resale in connection with, the
distribution thereof and that the undersigned has no present intention of distributing or reselling such shares. 

  

	

	
	 Date:________________________________________________

	
	   
	(Signature)

 ASSIGNMENT FORM 
 FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto 

	
	Name _____________________________________________________________________________________________________
	(please typewrite or print in block letters)
	
	 Address:____________________________________________________________________________________________________

	
	Taxpayer Identification No.: ____________________________________________________________________________________

 its right represented by this Warrant to purchase
                         shares of Warrant Stock and does hereby irrevocably constitute and appoint
                     attorney-in-fact to transfer the same on the books of
                     with full power of substitution in the premises. 
 Date: 
  

	
	
	   
	 Signature/Title

  

	Note: the	signature must conform in all respects to name of the holder as specified on the face of this Warrant. 

  

	
	
	   
	 Taxpayer Identification number of transferor

	
	   
	 Signature GuaranteeWarrant Agreement

 Exhibit 4.2 
  

					
		 	Common Stock Purchase Warrant	 	
	No.	 	Unless Extended By The Bank This Warrant Expires	 	Warrants
		 	At 5:00 P.M., New York Time on June 28, 2007	 	
			
		 	EMPIRE STATE BANK	 	
		 	NATIONAL ASSOCIATION	 	COMMON STOCK
		 		 	PURCHASE WARRANTS
		 	ORGANIZED UNDER THE LAWS OF THE UNITED STATES
OF AMERICA	 	

 THIS CERTIFIES THAT: 
 IS THE OWNER OF 
 Common Stock Purchase Warrants, each of which entitles the owner thereof to purchase One fully paid and
nonassesable share (subject to adjustment and hereinafter referred to) of the $5.00 per value Common Stock of Empire State Bank, National Association, upon surrender of this Warrant Certificate, duly endorsed on the reverse hereof, together with
payment in full of the purchase price in lawful money of the United States of America, at the principal office of the Bank or its Warrant Agent. Warrants may be exercised commencing on June 28, 2004 until 5:00 P.M., New York time on
June 28, 2007 or such later date as may hereinafter be designated by the Bank (the “Expiration Date”). The Purchase Price payable upon exercise of a Warrant (the “Purchase Price”) shall be at $12.50. The Purchase Price shall
be tendered with the properly completed and executed Form of Election on the reverse hereof, in cash or by bank teller’s check or personal check, all of which shall be payable to the order of the Bank and are accepted subject to collection. In
the event that upon any exercise of Warrants evidenced hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there shall be issued to the holder hereof, a new Warrant Certificate, in all respects
similar to this Warrant Certificate, evidencing the number of Warrants not then exercised. This and similar Warrant Certificates when surrendered for partial exercise by the registered holder hereof or by his/her duly authorized attorney or
representative may be exchanged, without payment of any service charge, for a replacement certificate evidencing in the aggregate the number of Warrants then representing unexercised. Prior to due presentment for registration of transfer of this
Warrant Certificate, the Bank may deem and treat the registered holder hereof as the absolute Owner of this Warrant Certificate (not withstanding any position of ownership or other writing hereof made by anyone other than the Bank or its Warrant
Agent) for the purpose of any exercise hereof and for all other purposes, and neither the Bank nor the Warrant Agent shall be affected by any notice to the contrary. In the event that the transfer books for the Bank’s Common Stock are closed,
for any reason whatsoever, the Bank and the Warrant Agent shall not be required to make delivery of certificates for Common Stock, until the date of the reopening of said transfer books. No shares of Common Stock shall be issued pursuant to the
exercise of Warrants unless such issuance and such exercise shall comply with all relevant provisions of law. 
 The Warrants evidenced
hereby may not be exercised after the Expiration Date and to the extent not exercised by such time, all Warrants evidenced hereby shall become null and void. During the exercise period, including any extended period, the Bank agrees that it will
reserve from its authorized and unissued Common Stock a sufficient number of shares to provide for the delivery of shares pursuant to the exercise of this or any other such Warrants. This Warrant shall not entitle the holder hereof to any voting or
other rights as a stockholder of the Bank, or to any other rights whatsoever except the rights herein expressed and such as are set forth, and 

 no dividends shall be payable or accrue in respect of these Warrants or the interest represented hereby or the shares
purchasable hereunder, until or unless, and except to the extent that, these Warrants shall be exercised. 
 In case the Bank shall at any
time subdivide or combine its outstanding shares of Common Stock into a greater or lesser number of shares by stock split, stock dividend, reverse stock split or otherwise, the number of shares issued upon exercise and the Purchase Price shall be
proportionately adjusted to take into account the effect of such subdivision or combination. In case the Bank, or any successor, shall be consolidated or merged with another entity in exchange for stock with a view to distributing such stock to its
stockholders or there is otherwise a reclassification or change in the Common Stock issuable upon exercise, each share of Common Stock purchasable hereby shall be replaced for the purposes hereof by the securities or property issuable or
distributable in respect of our share of Common Stock of the Bank or its successors upon such consolidation, merger, sale, reclassification or change and adequate provision to that effect shall be made at the time thereof. No fractional shares or
scrip representing fractional shares shall be issued upon exercise hereof. 
 IN WITNESS WHEREOF, Empire State Bank, National Association has
caused this Warrant Certificate to be signed manually, or in facsimile, by its Chief Executive Officer and the facsimile of its corporate seal to be imprinted hereon attested by the manual or facsimile signature of its Secretary or its Assistant
Secretary. 
  

	DATED:	

  

									
	EMPIRE STATE BANK, NATIONAL ASSOCIATION	 		 		 		 	
					
	  
	 		 	[SEAL]	 		 	  

	SECRETARY	 		 		 		 	CHIEF EXECUTIVE OFFICER

 EMPIRE STATE BANK, NATIONAL ASSOCIATION 
 COMMON STOCK PURCHASE WARRANT 
 ELECTION TO PURCHASE 
 The undersigned hereby irrevocably elects to exercise the right of purchase represented by the within Warrant for, and to purchase thereunder,
                     shares of Common Stock provided for therein and tenders herewith payment of the purchase price in full to the order of
the Bank and requests that certificates for such shares shall be issued in the name of: 
 PLEASE INSERT SOCIAL SECURITY OR

         OTHER IDENTIFYING NUMBER 
 __________________________________________________________________________________________________________ 
 (PLEASE PRINT) 
 and be delivered to
___________________________________________________________________________________________ 
 (NAME)                                      
   
 at _________________________________________________________________________________________________________ 
 (STREET
ADDRESS)                                       
 (CITY)                            (STATE)         
           (ZIP CODE) 
 and, if said number of shares shall not be all the shares purchasable
thereunder, that a new Warrant for the balance remaining of the shares purchasable under the within Warrant be registered in the name of, and delivered, to the undersigned at the address state below. 
 Name of Warrantholder: _______________________________________________________________________________________ 
 (PLEASE
PRINT)                                     
  

	Address:	____________________________________________________________________________________________________ 

 (STREET)                                     
                                        
    
 ___________________________________________________________________________________________________________ 
 (CITY)                                      
                      (STATE)                 
                                        
   (ZIP CODE) 
  

							
	Dated:	 	  
	 		 	  

		 		 		 	Signature
		 		 		 	Note: The above signature must correspond with the name as written upon the face of this Warrant or with the name of the assignee appearing in the assignment form below in every particular
without alteration or enlargement or any change whatever.

 ASSIGNMENT 
 FOR VALUE RECEIVED
                                        
hereby sell, assign and transfer unto 
 PLEASE INSERT SOCIAL SECURITY OR 
         OTHER IDENTIFYING NUMBER 
 _______________________________________________________________________________________________________________________ 
 _________________________________________________________________________________________________________________________ 
 PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF ASSIGNEE 
 _________________________________________________________________________________________________________________________ 
 the within Warrant, together with all right, title and interest therein, and do hereby irrevocable constitute and appoint 
 _________________________________________________________________________________________________attorney, 
 to
transfer said Warrant on the books of the within named Bank, the full power of substitution in the premises. 
  

							
	 Dated:
	 	  
	 		 	  

		 		 		 	Signature
		 		 		 	 Note: The above signature must correspond with the name as written upon the face of this Warrant in every particular without alteration or
enlargement or any change whatever.

 PLEASE BE ADVISED THAT THE SECURITIES EVIDENCED BY THIS CERTIFICATE MAY BE HELD BY AN
“AFFILIATE” FOR PURPOSES OF RULE 144 PROMULGATED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEREFORE, ANY PROSPECTIVE TRANSFEREE OF THE SECURITIES EVIDENCED BY THIS CERTIFICATE SHOULD OBTAIN AN OPINION OF COUNSEL PRIOR TO ACQUIRING
THESE SECURITIES 
 THE SIGNATURE TO THE ASSIGNMENT OR THE SUBSCRIPTION FORM MUST CORRESPOND TO THE NAME AS WRITTEN UPON THE FACE OF THIS WARRANT CERTIFICATE
IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE GUARANTEED BY A COMMERCIAL BANK OR TRUST COMPANY OR A MEMBER FIRM OF THE AMERICAN STOCK EXCHANGE, NEW YORK STOCK EXCHANGE, PACIFIC COAST STOCK EXCHANGE OR
MIDWEST STOCK EXCHANGE.

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