Document:

Exhibit
      4.4

    WARRANT
      AGREEMENT

    

    This
      WARRANT AGREEMENT (this “Agreement”)
      is
      made and entered into as of May __, 2007, by and between Modigene Inc. (f/k/a
      LDG, Inc.), a Nevada corporation (the “Company”),
      and
      Spencer Trask Ventures, Inc. (“Spencer
      Trask”).

    

    W I T N E S S E T H

    

    WHEREAS,
      pursuant to that certain Warrant Agreement (the “Existing
      Warrant Agreement”),
      dated
      December 14, 2005, by and between Modigene Inc., a Delaware corporation
      (“Delaware
      Mogidene”)
      and
      Spencer Trask, Delaware Modigene agreed to issue warrants (the “Existing
      Warrants”)
      to
      purchase up to 410,973 shares of Delaware Modigene’s Series A Convertible
      Preferred Stock, $0.001 par value per share (the “Series
      A Preferred Stock”);
      

    

    WHEREAS,
      the Company has entered into that certain Agreement and Plan of Merger and
      Reorganization, by and among the Company, Delaware Modigene, and Modigene
      Acquisition Corp., a Delaware corporation and wholly-owned subsidiary of the
      Company (the “Merger
      Sub”),
      pursuant to which the Merger Sub will merge with and into Delaware Modigene,
      with Delaware Modigene being the surviving corporation (the “Merger”);

    

    WHEREAS,
      in connection with the Merger, holders of common stock of Delaware Modigene,
      par
      value $0.001 per share (the “Delaware
      Modigene Common Stock”),
      including holders of the Series A Preferred Stock who converted such shares
      into
      shares of Delaware Modigene Common Stock prior to the Merger, will receive
      shares of common stock of the Company, par value $0.00001 per share (the
“Company
      Common Stock”),
      on
      the effective date of the Merger (the “Effective
      Date’);
      

    

    WHEREAS,
      in connection with the Merger, the Company has agreed, in substitution and
      replacement for the Existing Warrants, to issue to Spencer Trask and/or its
      designees new warrants (the “Warrants”)
      to
      purchase shares of the Company Common Stock (the “Warrant
      Shares”),
      in a
      number and for an exercise price that shall be determined by the Common
      Conversion Ratio as defined in and as determined in accordance with the Merger
      Agreement; 

    

    WHEREAS,
      in accordance with the terms and conditions of the Existing Warrant Agreement,
      Delaware Modigene and Spencer Trask have agreed to terminate the Existing
      Warrant Agreement on the date hereof, and Spencer Trask has agreed to enter
      into
      this Agreement with the Company as a substitute agreement to the Existing
      Warrant Agreement; and

    

    WHEREAS,
      the Warrants to be issued pursuant to this Agreement will be issued on the
      Effective Date in exchange for the cancellation of the Existing
      Warrants.

     

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

     

    NOW,
      THEREFORE, in consideration of the promises, the agreements herein set forth
      good and valuable consideration, the receipt and sufficiency of which are hereby
      acknowledged, the parties hereto agree as follows:

    

    1. Grant.
      Subject
      to the terms and conditions hereinafter set forth, the Holders (as defined
      in
      Section 3.1 below) are hereby granted the right to purchase 701,305 Warrant
      Shares at an initial Exercise Price (as defined in Section 5.2 below)
      of $0.88
      per
      each Warrant Share (subject to adjustment as provided in Section 7
      below).

     

    2. Warrant
      Certificates.
      The
      Warrant certificates (the “Warrant
      Certificates”)
      to be
      delivered pursuant to this Agreement shall be in the form set forth in
Exhibit
      A,
      attached hereto and made a part hereof, with such appropriate insertions,
      omissions, substitutions, and other variations as required or permitted by
      this
      Agreement.

    

    3. Exercise
      of Warrant.

    

    3.1 Method
      of Exercise.
      Each
      Warrant is initially exercisable at the initial Exercise Price, payable by
      certified or official bank check in New York Clearing House funds or by wire
      transfer of immediately available funds pursuant to instructions given by the
      Company at the Holder’s request. Upon surrender of a Warrant Certificate with
      the annexed Form of Election to Purchase duly executed, together with payment
      of
      the Exercise Price for the number of Warrant Shares for which the Warrant is
      being exercised, at the Company’s principal offices, currently at 8000 Towers
      Crescent Drive, Suite 1300, Vienna, Virginia 22182, the registered holder of
      a
      Warrant Certificate (“Holder”
or
      “Holders”)
      shall
      be entitled to receive a certificate or certificates for the Warrant Shares
      so
      purchased. The purchase rights represented by each Warrant Certificate are
      exercisable at the option of the Holder(s) thereof, in whole or in part (but
      not
      as to fractional shares of the Company Common Stock underlying the Warrants).
      Warrants may be exercised to purchase all or part of the Warrant Shares
      represented thereby. In the case of purchase of less than all the Warrant Shares
      purchasable under any Warrant Certificate, the Company shall cancel such Warrant
      Certificate upon the surrender thereof and shall execute and deliver a new
      Warrant Certificate of like tenor for the balance of the Warrant
      Shares.

    

    3.2 Exercise
      by Surrender of Warrant.
      In
      addition to the method of payment set forth in Section 3.1 and in lieu of any
      cash payment required thereunder, the Holder(s) of the Warrants shall have
      the
      right at any time and from time to time, provided that the Company Common Stock
      is registered under the Securities Exchange Act of 1934, as amended (the
“Exchange
      Act”),
      to
      exercise the Warrants in full or in part by surrendering the Warrant Certificate
      in the manner specified in Section 3.1 in exchange for the number of shares
      of
      Company Common Stock computed by using the following formula: 

    

    X
      =
Y
      (A -
      B)

    A

     

    
      	 	
              Where
                

            	
              X

            	
              =

            	
              the
                number of shares of Company Common Stock to be issued to the Holder(s)
                pursuant to the net exercise.

            

    

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

     

    
      	 	
              Y

            	
              =

            	
              the
                number of shares of Company Common Stock subject to the Warrant being
                exercised or, if only a portion of such Warrant is being exercised,
                the
                portion of such Warrant being canceled (at the time of such
                calculation).

            

    

    

    
      	 	
              A

            	
              =

            	
              the
                Fair Market Value of one share of Company Common Stock (at the date
                of
                such calculation).

            

    

    

    B = the
      Exercise Price (as adjusted to the date of such calculation).

     

    For
      purposes of this Section 3.2, the “Fair Market Value” of one share of Company
      Common Stock shall be equal to (i) the average of the closing sale price of
      the
      Common Stock as quoted on the NASD OTC Bulletin Board (or any other nationally
      recognized securities market or automated quotation system on which the
      Company’s securities are quoted or exchanged), whichever is applicable, for the
      ten (10) trading days immediately preceding the date of exercise or, (ii) if
      no
      sales take place on any such trading day, the average of the closing bid and
      asked prices on such ten (10) trading-day period. 

    

    3.3. Exercise
      Period. The
      Warrants shall be exercisable, in whole or in part, during the term commencing
      on the Effective Date until the earlier of (i) December 14, 2015, and (ii)
      the
      third (3rd) anniversary of the closing of a public offering of equity securities
      of the Company under the Securities Act of 1933, as amended (or any similar
      or
      successor act) (the “Act”) at a per share price of at least $4.40 and in which
      the Company receives gross proceeds of at least $20,000,000 (the “Expiration
      Date”).

     

    4.
       Issuance
      of Certificates.
      In the
      event of any exercise of the rights represented by the Warrants, as promptly
      as
      practicable on or after the date of exercise and in any event within ten (10)
      business days thereafter, the Company at its expense shall issue and deliver
      to
      the Person or Persons (as hereinafter defined) entitled to receive the same
      a
      certificate or certificates representing the number of Warrant Shares issued
      upon such exercise; provided,
      however,
      that
      the Company shall not be required to pay any tax which may be payable in respect
      of any transfer involved in the issuance and delivery of any such certificates
      in a name other than that of the Holder, and the Company shall not be required
      to issue or deliver such certificates unless or until the Person(s) requesting
      the issuance thereof shall have paid to the Company the amount of such tax
      or
      shall have established to the reasonable satisfaction of the Company that such
      tax has been paid. In the event that the Warrants are exercised in part, as
      promptly as practicable on or after the date of exercise and in any event within
      ten (10) business days thereafter, the Company at its sole expense will execute
      and deliver new Warrants of like tenor exercisable for the number of Warrant
      Shares for which the Warrants may then be exercised. As used herein, the term
      “Person”
or
      “Persons” means
      any
      individual or any corporation, partnership, trust, limited liability company
      or
      other entity or organization of any kind.

     

    5. Exercise
      Price.

    

    5.1 Initial
      and Adjusted Exercise Price.
      Except
      as otherwise provided in Section 7 hereof, the Warrants shall be exercisable
      to
      purchase the Shares at a price of $0.88 per share of Company Common Stock.
      The
      adjusted exercise price shall be the price which shall result from time to
      time
      from any and all adjustments of the initial exercise price in accordance with
      the provisions of Section 7 hereof.

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

     

    5.2 Exercise
      Price.
      The
      term “Exercise
      Price”
herein
      shall mean the initial exercise price or the adjusted exercise price, depending
      upon the context.

    

    6. Transfer
      of Securities; Legends.
      Each
      Holder, by acceptance of a Warrant Certificate, covenants and agrees that it
      is
      acquiring the Warrants evidenced thereby and the Warrant Shares for its own
      account as an investment and not with a view to distribution thereof. The
      Warrant Shares have not been registered under the Act, or any state securities
      laws and no transfer of any Warrant Shares shall be permitted unless the Company
      has received notice of such transfer, at the address of its principal office
      set
      forth in Section 3.1 hereof, in the form of assignment attached hereto,
      accompanied by an opinion of counsel reasonably satisfactory to the Company
      that
      an exemption from registration of such Warrant Shares under the Act is available
      for such transfer. The following legends shall be placed on each Warrant
      Certificate:

     

    THE
      SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE
      SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY
      STATE. THE SECURITIES MAY NOT BE TRANSFERRED EXCEPT PURSUANT TO (i) AN EFFECTIVE
      REGISTRATION STATEMENT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS
      OR
      (ii) AN OPINION OF COUNSEL, REASONABLY SATISFACTORY TO THE ISSUER, THAT AN
      APPLICABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF SUCH ACT AND SUCH
      LAWS IS AVAILABLE.

     

    THE
      TRANSFER, EXCHANGE AND EXERCISE OF THE WARRANTS REPRESENTED BY THIS CERTIFICATE
      ARE RESTRICTED IN ACCORDANCE WITH THE WARRANT AGREEMENT REFERRED TO
      HEREIN.

    

    6.1 Removal
      of Legend.
      Upon
      request of a Holder of a certificate with the legends required by Section 6
      hereof, the Company shall issue to such Holder a new certificate therefor free
      of any transfer legend, if, with such request, the Company shall have received
      an opinion of counsel satisfactory to the Company in form and substance to
      the
      effect that any transfer by such Holder of the shares evidenced by such
      certificate will not violate the Act and any applicable state securities laws.
      Any purported transfer of any Warrants or Warrant Shares not in compliance
      with
      the provisions of this Section 6 shall be null and void.

    

    7. Adjustment. 

    

    (a) Subdivision
      and Combination.
      If the
      Company shall at any time subdivide (by any stock split, stock dividend,
      recapitalization, reorganization, reclassification or otherwise) the shares
      of
      Company Common Stock subject to acquisition hereunder, then, after the date
      of
      record for effecting such subdivision, the Exercise Price in effect immediately
      prior to such subdivision will be proportionately reduced and the number of
      shares of Company Common Stock subject to acquisition upon exercise of the
      Warrants will be proportionately increased. If the Company at any time combines
      (by reverse stock split, recapitalization, reorganization, reclassification
      or
      otherwise) the shares of Company Common Stock subject to acquisition hereunder,
      then, after the date of record for effecting such combination, the Exercise
      Price in effect immediately prior to such combination will be proportionately
      increased and the number of shares of Company Common Stock subject to
      acquisition upon exercise of the Warrants will be proportionately
      decreased.

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

     

    (b) Notice
      of Adjustment.
      Upon
      any adjustment of any Exercise Price, then and in each such case the Company
      shall give notice thereof to the Holder, which notice shall state the Exercise
      Price resulting from such adjustment and the increase or decrease, if any,
      in
      the number of Warrant Shares purchasable at such price upon the exercise of
      the
      Warrants, setting forth in reasonable detail the method of calculation and
      the
      facts upon which such calculation is based.

    

    8. Exchange
      and Replacement of Warrant Certificates.
      Each
      Warrant Certificate is exchangeable without expense, upon the surrender thereof
      by the registered Holder(s) at the principal office of the Company, for a new
      Warrant Certificate of like form, tenor and date representing in the aggregate
      the right to purchase the same number of securities in such denominations as
      shall be designated by the Holder(s) thereof at the time of such
      surrender.

    

    Upon
      receipt by the Company of evidence reasonably satisfactory to it of the loss,
      theft, destruction or mutilation of any Warrant Certificate, and, in case of
      loss, theft or destruction, of indemnity or security reasonably satisfactory
      to
      it, and reimbursement to the Company of all reasonable expenses incidental
      thereto, and upon surrender and cancellation of the Warrants, if mutilated,
      the
      Company will make and deliver a new Warrant Certificate of like form and tenor
      in lieu thereof.

    

    9. No
      Fractional Shares or Scrip.
      No
      fractional shares or scrip representing fractional shares shall be issued upon
      the exercise of the Warrants, but in lieu of such fractional shares the Company
      shall make a cash payment therefor on the basis of the Exercise Price then
      in
      effect. 

     

    10. No
      Registration Rights.
      By
      executing this Agreement, Spencer Trask waives any and all registration rights,
      including, without limitation, all demand and piggyback registration rights,
      it
      has under that certain Registration Rights Agreement, by and among Delaware
      Modigene, Spencer Trask and certain individuals, dated December 14, 2005.
      Spencer Trask further agrees that it will not have any registration rights
      with
      respect to the shares of Company Common Stock underlying the Warrant Shares.
      

     

    11. Stock
      Fully Paid; Reservation of Shares.
      The
      Company shall at all times reserve and keep available out of its authorized
      shares of Company Common Stock, solely for the purpose of issuance upon the
      exercise of the Warrants, such number of shares of Company Common Stock or
      other
      securities, properties or rights as shall be issuable upon the exercise thereof.
      The Company covenants and agrees that, upon exercise of the Warrants and payment
      of the Exercise Price therefor, all shares of Company Common Stock and other
      securities issuable upon such exercise shall be duly and validly issued, fully
      paid, non-assessable and not subject to the preemptive rights of any
      stockholder.

     

    
      
        
        

      

      
        5

        
          

        

      

      
        
        

      

    

     

    12. Notices
      to Warrant Holders.
      Nothing
      contained in this Agreement shall be constructed as conferring upon the Holders
      the right to vote or to consent or to receive notice to stockholders in respect
      of any meetings of stockholders for the election of directors or any other
      matter, or as having any rights whatsoever as a stockholder of the Company.
      If,
      however, at any time prior to the expiration of the Warrants and their exercise,
      any of the following events shall occur:

    

    (a) the
      Company shall take a record of the holders of its shares of Company Common
      Stock
      for the purpose of entitling them to receive a dividend or distribution payable
      otherwise than in cash, or a cash dividend or distribution payable otherwise
      than out of current or retained earnings, as indicated by the accounting
      treatment of such dividend or distribution on the books of the Company;
      or

    

    (b) the
      Company shall offer to all the holders of its Company Common Stock any
      additional shares of capital stock of the Company or securities convertible
      into
      or exchangeable for shares of capital stock of the Company, or any option right
      or warrant to subscribe therefor; or

    

    (c) a
      dissolution, liquidation or winding up of the Company (other than in connection
      with a consolidation or merger) or a sale of all or substantially all of its
      property, assets and business as an entirety shall be proposed;

    

    then,
      in
      any one or more of such events, the Company shall give written notice of such
      event at least five (5) days prior to the date fixed as a record date for the
      dividend or the date of closing the transfer books for the determination of
      the
      issuance of any convertible or exchangeable securities or subscription rights,
      options or warrants or for the determination of the persons or entitled to
      vote
      on such proposed dissolution, liquidation, winding up or sale. Such notice
      shall
      specify such record date or the date of closing the transfer books, as the
      case
      may be. Failure to give such notice or any defect therein shall not affect
      the
      validity of any action taken in connection with the declaration or payment
      of
      any such dividend, or the issuance of any convertible or exchangeable
      securities or
      subscription rights, options or warrants, or any proposed dissolution,
      liquidation winding up or sale.

    

    13. Notices.
      All
      notices, requests, consents and other communications hereunder shall be in
      writing and shall be deemed to have been duly made when delivered, or mailed
      by
      registered or certified mail, return receipt requested:

    

    (a) If
      to a
      registered Holder(s) of the Warrants, to the address of such Holder(s) as shown
      on the books of the Company; or

     

    
      
        
        

      

      
        6

        
          

        

      

      
        
        

      

    

     

    (b) If
      to the
      Company, at: 8000
      Towers Crescent Drive, Suite 1300, Vienna, Virginia 22182, Attention: Shai
      Novik, or at such other address as may have been furnished in writing by the
      Company, with a copy to Barack Ferrazzano Kirschbaum Perlman & Nagelberg
      LLP, 333 West Wacker Drive, Suite 2700, Chicago, IL 60606, facsimile: (312)
      984-3150, Attn: Gretchen Trofa, Esq., if on or before May 28, 2007, or to Barack
      Ferrazzano Kirschbaum & Nagelberg LLP, 200 West Madison Street, Suite 3900,
      Chicago, IL 60606, if after June 30, 2007, facsimile: (312) 984-3150, Attn:
      Gretchen Trofa, Esq.; or

     

    (c) if
      to
      Spencer Trask, at 535 Madison Avenue, New York, New York 10022, Attention:
      William P. Dioguardi, President, or at such other address as may have been
      furnished in writing by Spencer Trask, with a copy to Littman Krooks LLP, 655
      Third Avenue, New York, New York 10017, Attention: Mitchell C. Littman,
      Esq.

    

    14. Supplements
      and Amendments.
      The
      Company and Spencer Trask may from time to time supplement or amend this
      Agreement without the approval of any Holder(s) of Warrant Certificates in
      order
      to cure any ambiguity, to correct or supplement any provision contained herein
      which may be defective or inconsistent with any provision herein, or to make
      any
      other provisions in regard to matters or questions arising hereunder which
      the
      Company and Spencer Trask may deem necessary or desirable and which the Company
      and Spencer Trask deem shall not adversely affect the interests of the Company
      and/or the Holder(s) of Warrant Certificates. Other amendments to this Agreement
      may be made only with the written consent of the Company and the Holder(s)
      of
      the majority of the Warrant Shares issuable upon exercise of the
      Warrants.

    

    15. Successors.
      All the
      covenants and provisions of this Agreement shall be binding upon and inure
      to
      the benefit of the Company, the Holder(s) and their respective successors and
      assigns hereunder.

    

    16. Termination.
      This
      Agreement shall terminate at the close of business on the Expiration
      Date.

    

    17. ARBITRATION,
      CHOICE OF LAW; COSTS.
      THE PARTIES HERETO AGREE TO SUBMIT ALL CONTROVERSIES TO ARBITRATION IN
      ACCORDANCE WITH THE PROVISIONS SET FORTH BELOW AND UNDERSTAND THAT (A)
      ARBITRATION IS FINAL AND BINDING ON THE PARTIES, (B) THE PARTIES ARE WAIVING
      THEIR RIGHTS TO SEEK REMEDIES IN COURT, INCLUDING THE RIGHT TO A JURY TRIAL,
      (C)
      PRE-ARBITRATION DISCOVERY IS GENERALLY MORE LIMITED AND DIFFERENT FROM COURT
      PROCEEDINGS, (D) THE ARBITRATOR’S AWARD IS NOT REQUIRED TO INCLUDE FACTUAL
      FINDINGS OR LEGAL REASONING AND ANY PARTY’S RIGHT TO APPEAL OR TO SEEK
      MODIFICATION OF RULES BY ARBITRATORS IS STRICTLY LIMITED, (E) THE PANEL OF
      NASD,
      INC. (THE “NASD”) ARBITRATORS WILL TYPICALLY INCLUDE A MINORITY OF ARBITRATORS
      WHO WERE OR ARE AFFILIATED WITH THE SECURITIES INDUSTRY, AND (F) ALL
      CONTROVERSIES WHICH MAY ARISE BETWEEN THE PARTIES CONCERNING THIS AGREEMENT
      SHALL BE DETERMINED BY ARBITRATION PURSUANT TO THE RULES THEN PERTAINING TO
      THE
      NASD. JUDGMENT ON ANY AWARD OF ANY SUCH ARBITRATION MAY BE ENTERED IN THE
      SUPREME COURT OF THE STATE OF NEW YORK OR IN ANY OTHER COURT HAVING JURISDICTION
      OVER THE PERSON OR PERSONS AGAINST WHOM SUCH AWARD IS RENDERED. THE PARTIES
      AGREE THAT THE DETERMINATION OF THE ARBITRATORS SHALL BE BINDING AND CONCLUSIVE
      UPON THEM. THE PREVAILING PARTY, AS DETERMINED BY SUCH ARBITRATORS, IN A LEGAL
      PROCEEDING SHALL BE ENTITLED TO COLLECT ANY COSTS, DISBURSEMENTS AND REASONABLE
      ATTORNEY’S FEES FROM THE OTHER PARTY.

     

    
      
        
        

      

      
        7

        
          

        

      

      
        
        

      

    

    

    18. Entire
      Agreement; Modification.
      This
      Agreement contains the entire agreement and understanding between the parties
      hereto with respect to the subject matter hereof and supersedes all prior
      arrangements or understandings, whether oral or written, with respect to such
      subject matter. Without limiting the generality of the foregoing, this Agreement
      supersedes the Existing Warrant Agreement, which is hereby terminated as of
      the
      date hereof. In connection with the termination of the Existing Warrant
      Agreement, the Existing Warrants issued pursuant to such agreement are hereby
      cancelled. This Agreement may not be modified or amended except by a writing
      duly signed by the party against whom enforcement of the modification or
      amendment is sought. 

    

    19. Severability.
      If any
      provision of this Agreement shall be held to be invalid and unenforceable,
      such
      invalidity or unenforceability shall not affect any other provision of this
      Agreement.

    

    20. Captions.
      The
      caption headings of the Sections of this Agreement are for convenience of
      reference only and are not intended, nor should they be construed, as a part
      of
      this Agreement and shall be given no substantive effect.

    

    21. Benefits
      of this Agreement.
      Nothing
      in this Agreement shall be construed to give to any person, entity or
      corporation other than the Company and Spencer Trask and any other registered
      Holder(s) of the Warrant Certificates or the Warrant Shares any legal or
      equitable right, remedy or claim under this Agreement; and this Agreement shall
      be for the sole and exclusive benefit of the Company and Spencer Trask and
      any
      other Holder(s) of the Warrant Certificates or Warrant Shares.

    

    22. Counterparts.
      This
      Agreement may be executed in any number of counterparts and each of such
      counterpart shall for all purposes be deemed to be an original, and such
      counterparts shall together constitute but one and the same
      instrument.

     

    
      
        
        

      

      
        8

        
          

        

      

      
        
        

      

    

     

    23. Assignment.
      Any
      Person or Persons to whom Warrants are transferred by Spencer Trask shall agree
      to be bound by all of the provisions hereof; and Spencer Trask shall not
      transfer any Warrants except in compliance with Section 6 hereof, and unless
      Spencer Trask first provides a written instrument to the Company notifying
      the
      Company of such transfer pursuant to which the transferee agrees in writing
      to
      be bound by the terms of this Agreement and unless Spencer Trask complies with
      the provisions hereof.

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the parties hereto have caused this Warrant Agreement to be
      duly executed as of the day and year first above written.

     

    
      	 	 	 
	 	
              MODIGENE
                INC. (f/k/a LDG, Inc.)

            
	 
 	 
 	 
 
	
            	By:  	 
	 	
              
Name:
 Shai
              Novik
	 	
              Title:
                 President

            

    

     

    
      	 	 	 
	 	
              SPENCER
                TRASK VENTURES, INC.

            
	 
 	 
 	 
 
	
            	By:  	 
	 	
              

              Name:

            
	 	
              Title: 

            

    

    

    
      	
              Agreed
                and Acknowledged:

            	 	 	 
	 	 	 	 	 
	
              MODIGENE
                INC. 

            	 	 	 
	 	 	 	 	 
	By: 	 	 	 	
            
	 	
              

              Name: Shai
                Novik

            	 	 	
            
	 	
              Title:
                 President

            	 	 	
            

    

    

    
      
        (Warrant
          Agreement Signature Page)

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      A

    

    WARRANT
      CERTIFICATE

    

    THE
      SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE
      SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY
      STATE. THE SECURITIES MAY NOT BE TRANSFERRED EXCEPT PURSUANT TO (i) AN EFFECTIVE
      REGISTRATION STATEMENT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS
      OR
      (ii) AN OPINION OF COUNSEL, REASONABLY SATISFACTORY TO THE ISSUER, THAT AN
      APPLICABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF SUCH ACT AND SUCH
      LAWS IS AVAILABLE.

     

    THE
      TRANSFER, EXCHANGE AND EXERCISE OF THE WARRANTS REPRESENTED BY THIS CERTIFICATE
      ARE RESTRICTED IN ACCORDANCE WITH THE WARRANT AGREEMENT REFERRED TO
      HEREIN.

     

    

      
        	
                No.
                  ST-_____ 

              	 	
                _______Warrants

              
	 	 	
                ____________
                  ___, 2007

              

      

    

     

    WARRANT
      CERTIFICATE

    

    This
      Warrant Certificate certifies that _________________________, or its registered
      assigns, is entitled to purchase up to __________________ fully paid and
      non-assessable shares of Common Stock, par value $0.00001 per share (the
“Common
      Stock”)
      of
      Modigene Inc., a Nevada corporation (the “Company”)
      initially, at any time after the date hereof (“Warrant
      Issue Date”)
      until
      5:30 p.m. New York time on the date (the “Expiration
      Date”)
      that
      is the earlier of (i) December 14, 2015, and (ii) the third (3rd) anniversary
      of
      the closing of a public offering of equity securities of the Company under
      the
      Securities Act of 1933, as amended (or any similar or successor act) at a per
      share price of at least $4.40 and in which the Company receives gross proceeds
      of at least $20,000,000, at the initial exercise price of $0.88, subject to
      adjustment in certain events (the “Exercise
      Price”),
      upon
      surrender of this Warrant Certificate and payment of the Exercise Price at
      an
      office or agency of the Company, or by surrender of this Warrant Certificate
      in
      lieu of cash payment, but subject to the conditions and adjustments set forth
      herein and in the Warrant Agreement dated as of ______________, 2007 between
      the
      Company and Spencer Trask Ventures, Inc. (the “Warrant
      Agreement”).
      Payment of the Exercise Price shall be made by certified or official bank check
      in New York Clearing House funds payable to the order of the Company, by wire
      transfer of immediately available funds to the Company’s account pursuant to
      wire transfer instructions provided by the Company or pursuant to Section 3.2
      of
      the Warrant Agreement.

     

    No
      Warrant may be exercised after 5:30 p.m. (New York time) on the Expiration
      Date,
      at which time all Warrants evidenced hereby, unless exercised prior thereto,
      shall thereafter be void.

     

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

     

    The
      Warrants evidenced by this Warrant Certificate are part of a duly authorized
      issue of Warrants issued pursuant to the Warrant Agreement, which Warrant
      Agreement is hereby incorporated by reference in and made a part of this
      instrument and to which reference is hereby made for a description of the
      rights, limitations of rights, obligations, duties and immunities thereunder
      of
      the Company and the registered holder(s) of the Warrants.

    

    As
      set
      forth in Section 7 of the Warrant Agreement, certain adjustments may be made
      to
      the Exercise Price and the type and/or number of the Company’s securities
      issuable upon their exercise. In the event of such an adjustment, the Company
      will, at the request of the holder, issue a new Warrant Certificate evidencing
      the adjustment in the Exercise Price and the number and/or type of securities
      issuable upon the exercise of the Warrants; provided,
      however,
      that
      the failure of the Company to issue such new Warrant Certificates shall not
      in
      any way change, alter or otherwise impair the rights of the holder as set forth
      in the Warrant Agreement. 

    

    Upon
      due
      presentment for registration of transfer of this Warrant Certificate and the
      executed form of assignment attached hereto at an office or agency of the
      Company, a new Warrant Certificate or Warrant Certificates of like form and
      tenor and evidencing in the aggregate a like number of Warrants shall be issued
      to the transferee(s) in exchange for this Warrant Certificate, subject to the
      limitations provided herein and in the Warrant Agreement, without any charge
      except for any tax or other governmental charge imposed in connection with
      such
      transfer.

    

    Upon
      the
      exercise of less than all of the Warrants evidenced by this Certificate, the
      Company shall forthwith issue to the holder hereof a new Warrant Certificate
      representing such number of unexercised Warrants.

    

    The
      Company may deem and treat the registered holder(s) hereof as the absolute
      owner(s) of this Warrant Certificate (notwithstanding any notation of ownership
      or other writing hereon made by anyone), for the purpose of any exercise hereof,
      and of any distribution to the holder(s) hereof, and for all other purposes,
      and
      the Company shall not be affected by any notice to the contrary.

    

    All
      capitalized terms used and not defined in this Warrant Certificate shall have
      the meanings ascribed to them in the Warrant Agreement.

     

    [Remainder
      of page intentionally left blank]

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the Company has caused this Warrant Certificate to be duly
      executed as of ______________, 2007.

     

    
      	 	 	 
	 	
              MODIGENE
                INC.

            
	 
 	 
 	 
 
	 	By:  	 
	 	
              

              Name:
                 Shai
                Novik

            
	 	
              Title:
                 President

            

    

     

    
      
        (Warrant
          Certificate Signature Page)

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    [FORM
      OF
      ELECTION TO PURCHASE]

    

    
      	TO:	
              Modigene
                Inc.

            

    

    Attention:
      President

     

    Alternative
      No. 1

     

    The
      undersigned hereby irrevocably elects to exercise the right, represented by
      this
      Warrant Certificate, to purchase _______________ (leave blank if you choose
      Alternative No. 2 below) shares of Common Stock of Modigene Inc., a Nevada
      corporation (the “Company”),
      pursuant to the terms of that certain Warrant Agreement by and between the
      Company and Spencer Trask Ventures, Inc., dated as of _____________, 2007 (the
      “Warrant
      Agreement”)
      and
      tenders herewith payment of the purchase price of such shares in full in
      accordance with the terms of the Warrant Agreement. (Initial here if the
      undersigned elects this alternative). _________

     

    Alternative
      No. 2

     

    In
      lieu
      of exercising the attached Warrant for cash or check, the undersigned hereby
      elects to effect the net issuance provision set forth in Section 3.2 of the
      Warrant Agreement and receive ____________ (leave blank if you choose
      Alternative No. 1 above) shares of Common Stock of the Company. (Initial here
      if
      the undersigned elects this alternative). ___________

    

    Please
      issue a certificate or certificates representing said securities in the name
      of
      the undersigned or in such other name as is specified below:

     

    
      	 
	
              (Name)

            
	 
	 
	
              (Address)

            

    

     

    
      	
            	 	 	
              

              (Signature
                and Date)

            
	 	 	 	 
	
            	 	 	
              (Signature
                must conform in all respects to name
                of holder as specified on the face of the
                Warrant Certificate)

            
	 	 	 	 
	 	 	 	 

              

              (Insert
                Social Security or Other Identifying Number
                of Holder)

            

    

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    [FORM
      OF
      ASSIGNMENT]

    

    (To
      be
      executed by the registered holder if such holder

    desires
      to transfer the Warrant Certificate.)

    

    FOR
      VALUE
      RECEIVED _______________________________ (the “Transferor”)
      hereby
      sells, assigns and transfers unto _____________________________________ (the
      “Transferee”)

    

    (Please
      print name and address of transferee)

    

    this
      Warrant Certificate, together with all right, title and interest therein, and
      does hereby irrevocably constitute and appoint ______________________ as its
      Attorney to transfer the Warrant Certificate on the books of Modigene Inc.,
      a
      Nevada corporation (the “Company”),
      with
      full power of substitution. The Transferor has provided a written instrument
      to
      the Company notifying the Company of such transfer and pursuant to which the
      Transferee hereunder has agreed in writing to be bound by the terms of the
      Warrant Agreement dated ___________, 2007, by
      and
      between the Company and Spencer Trask Ventures, Inc., a copy of which has been
      provided to the Transferee by the Transferor.

    

    
      	 	 	 	 
	Dated:	 	Signature	 
	
            	 	 	
              

            
	
            	 	 (Signature
              must conform in all respects to name of holder as specified on the
              face of
              the Warrant Certificate)
	 	 	 
	 	 	 

              
(Insert
              Social Security or other Identifying Number
              of Holder)Exhibit
        4.5

    

     

    ________________,
      2007

    

    Modigene
      Inc. (f/k/a LDG, Inc.)

    The
      Europa Center

    100
      Europa Drive, Suite 455

    Chapel
      Hill, NC 27517-2369

    

    Attention:
      Peter L. Coker, President

    

    Dear
      Sir:

    

    Reference
      is made to those discussions among Modigene Inc., a Delaware corporation
      (“Modigene”), and Tompkins Capital Group (“TCG”) relating to a proposed business
      combination between Modigene Inc. (f/k/a LDG, Inc.). a Nevada corporation (the
      “Company”), and Modigene and a related private placement financing (the
“Transactions”).  In
      connection with the Transactions, the Company and Modigene contemplate entering
      into a proposed Merger Agreement (the “Merger Agreement”) pursuant to which
      Modigene stockholders shall receive common stock, par value $0.00001 per share,
      of the Company (the “Common Stock”) in consideration for shares of Modigene held
      by them at the effective time of the merger. In consideration of the Company
      and
      Modigene entering into the Transaction, and for TCG to facilitate the
      Transactions and for other good and valuable consideration, the receipt and
      sufficiency of which are hereby acknowledged, the undersigned hereby agrees
      as
      follows:

    

    1. The
      undersigned hereby covenants and agrees, except as provided herein, not to
      (1)
      offer, sell, contract to sell,
      grant
      any option to purchase, hypothecate, pledge,
      or
      otherwise dispose of or
      (2)
      transfer title to (a “Prohibited Sale”) any of the shares (the “Acquired
      Shares”) of Common Stock acquired by the undersigned pursuant to or in
      connection with the Merger Agreement, during the period commencing on the
“Closing Date” (as that term will be defined in the Merger Agreement) and ending
      on the 18-month anniversary of the Closing Date (the “Lockup Period”), without
      the prior written consent of the Company and TCG. Notwithstanding the foregoing,
      the undersigned shall be permitted from time to time during the Lockup Period,
      without the prior written consent of the Company or TCG, as applicable, (i)
      to
      transfer all or any part of the Acquired Shares to any family member, for estate
      planning purposes,
      or to an
      affiliate thereof (as such term is defined in Rule 405 under the Securities
      Exchange Act of 1934, as amended), provided that such transferee agrees
in
      writing with
      the
      Company and TCG to be bound hereby, or
      (ii)
      to participate
      in any
      transaction in which holders of the Common Stock of the Company participate
      or
      have the opportunity to participate pro rata, including, without limitation,
      a
      merger, consolidation or binding share exchange involving the Company, a
      disposition of the Common Stock in connection with the exercise of any rights,
      warrants or other securities distributed to the Company’s stockholders, or a
      tender or exchange offer for the Common Stock, and no transaction contemplated
      by the foregoing clauses (i)
      or
      (ii)
      shall
      be
      deemed a Prohibited Sale for purposes of this Letter Agreement.

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    2. This
      Letter Agreement shall be governed by and construed in accordance with the
      laws
      of the Nevada.

    

    3. This
      Letter Agreement will become a binding agreement among the undersigned as of
      the
      Closing Date. In the event that no closing occurs under the Merger Agreement,
      this Letter Agreement shall be null and void. This Letter Agreement (and the
      agreements reflected herein) may be terminated by the mutual agreement of the
      Company, TCG and the undersigned, and if not sooner terminated, will terminate
      upon the expiration date of the Lockup Period. This Letter Agreement may be
      duly
      executed by facsimile and in any number of counterparts, each of which shall
      be
      deemed an original, and all of which together shall be deemed to constitute
      one
      and the same instrument. Signature pages from separate identical counterparts
      may be combined with the same effect as if the parties signing such signature
      page had signed the same counterpart. This Letter Agreement may be modified
      or
      waived only by a separate writing signed by each of the parties hereto expressly
      so modifying or waiving such agreement.

    
      	 	 	 
	 	 
	 
 	 
 	
              Very
                truly yours,

            
	
            	
            	
            
	 	
              

              Print
                Name:

            
	 	 
	
              Address:
                __________________________________________________________

            
	
              Number
                of shares of Common Stock owned:
                _______________________________

            
	
              Certificate
                Numbers:
                _________________________________________________

            
	
              Accepted
                and Agreed to:

            	 
	 	 
	
              Modigene
                Inc. (f/k/a LDG, Inc.)

            	 
	 	 
	
              By: 

              
                

              

              Peter
                L. Coker, President

            	 
	
               

            	 
	
              Tompkins
                Capital Group      

            	 
	 	 
	
              By: 

              
                

              

              
                Mark
                  Tompkins

                Principal

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