Document:

Exhibit
      10.11.1

     

    AMENDMENT
      NUMBER ONE

    TO

    PROMISSORY
      NOTE - NON-NEGOTIABLE

    

    

    THIS
      AMENDMENT NUMBER ONE TO PROMISSORY NOTE - NON-NEGOTIABLE,
      dated
      as of August __, 2007, is hereby executed and delivered by Osage Exploration
      and
      Development, Inc., a Delaware corporation (the “Company”),
      and
      ____________ (“Borrower”).

    

    RECITALS

    

    A. The
      Company has provided Borrower with a loan (the “Loan”)
      that
      is evidenced by a Promissory Note - Non-Negotiable dated December __, 2006
      in
      the original principal amount of $______ (the “Note”),
      and
      Borrower has utilized the proceeds thereof to purchase certain shares
      (“Shares”)
      of
      common stock from the Company.

    

    B. The
      Company required, and Borrower agreed, at the time of the Loan, that the payment
      obligations of Borrower under the Note are to be secured by a pledge of the
      Shares.

    

    AGREEMENT

    

    NOW,
      THEREFORE, in consideration of the foregoing recitals, and other good and
      valuable consideration, the receipt and adequacy of which are hereby
      acknowledged, the Company and Borrower agree as follows:

    

    1. The
      following paragraph is hereby added at the end of the Note to memorialize the
      agreement of the parties (to follow paragraph three):

    

    “This
      note is secured by a pledge of certain shares of common stock issued to the
      Borrower represented by certificate no. __ (the “Certificate”)
      which
      Certificate shall be held by the Company as security for payment of all amounts
      due hereunder.”

    

    2. There
      are
      no amendments intended to be made to the Note other than as expressly stated
      in
      Section 1 above and, except as expressly stated in Section 1 above, the Note,
      and each and every provision thereof, shall remain in full force and
      effect.

    

    3. Borrower
      shall cause a counterpart original of this Amendment Number One to be securely
      attached to the original of the Note.

    

    4. Borrower
      acknowledges that, in connection with the preparation of this Amendment Number
      One, and all related matters, McConnell, Dunning & Barwick LLP
      (“MD&B”)
      has
      represented only the Company, and has not acted as counsel to Borrower. Borrower
      further acknowledges that he has been advised to seek independent legal counsel
      for advice regarding the terms and provisions of this Amendment Number One
      and
      related matters, and has either obtained such advice of independent legal
      counsel, or has voluntarily and without compulsion elected to enter into this
      Amendment Number One without such advice of independent legal
      counsel.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	“COMPANY” 	“BORROWER” 
	 	 
	OSAGE EXPLORATION
              AND 	 
	DEVELOPMENT,
              INC. 	 
	 	 
	By:_________________________	_______________________________ 
	 	[insert
              name] 
	Its:_________________________Exhibit
      10.13

     

    OFFICE
      SPACE LEASE AGREEMENT

    

    This
      Agreement is entered into as of the 1st
      day of
      February, 2007, between Osage energy Corporation (“the Lessee”) and Catalyst
      Consulting Partners, LLC (“the Lessor”) for office space (the “Space”) currently
      occupied by Lessor located at 888 Prospect Street, Suite 210, La Jolla, CA
      92037.

    

    Lessee
      agrees to pay $500.00 per month on the 1st
      day of
      each month for Space. Space shall be leased on a month-to-month basis and
      include the use of an office and conference room. Lessor is responsible for
      all
      utilities associated with Space. 

    

    IN
      WITNESS WHEREOF the undersigned have executed this Agreement as of the day
      and
      year first written above. 

    

    Osage
      Energy Corporation    Catalyst
      Consulting Partners, LLC

    

    By:_______________________   By:____________________

    Its:
      President & CEOEXHIBIT
      10.1

     

    FORM
      OF WARRANT OF ADVAXIS, INC.

     

    NEITHER
      THESE SECURITIES NOR THE SECURITIES FOR WHICH THESE SECURITIES ARE EXERCISABLE
      HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE
      SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM
      REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
      ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN
      EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
      AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION
      REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE
      SECURITIES LAWS. NOTWITHSTANDING THE FOREGOING, THESE SECURITIES MAY BE PLEDGED
      IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER LOAN OR FINANCING
      ARRANGEMENT SECURED BY SUCH SECURITIES.

     

    ADVAXIS,
      INC.

     

    BRIDGE
      WARRANT A

     

    
      	Bridge Warrant No. A-1	
              Date
                of Original Issuance: August [__],
                2007

            

    

     

    Advaxis,
      Inc., a Delaware corporation (the “Company”),
      hereby
      certifies that, for value received, [________________] or his, her, or its
      registered assigns (the “Holder”),
      is
      entitled to purchase from the Company up to a total of [_______] thousand
      (__,___) shares of common stock, par value $0.001 (the “Common
      Stock”),
      of the
      Company (each such share, a “Warrant
      Share”
      and all
      such shares, the “Warrant
      Shares”)
      at an
      exercise price equal to $0.287 per share (as adjusted from time to time as
      provided in Section 9, the “Exercise
      Price”),
      at any
      time and from time to time from and after the date hereof and through and
      including August 31, 2012 (the “Expiration
      Date”),
      and
      subject to the following terms and conditions:

     

    1.  Definitions.
      This
      warrant (the “Warrant”) is one of a series of similar warrants issued in
      connection with the sale of 12% Convertible Promissory Notes of the Company
      in
      August, 2007. All such warrants are collectively referred to herein as the
      “Warrants”.
      

     

    2.  Registration
      of Warrant; Transfers.
      The
      Company shall register this Warrant, upon records to be maintained by the
      Company for that purpose (the “Warrant
      Register”),
      in the
      name of the record Holder hereof from time to time. The Company may deem and
      treat the registered Holder of this Warrant as the absolute owner hereof for
      the
      purpose of any exercise hereof or any distribution to the Holder, and for all
      other purposes, absent actual notice to the contrary. The Holders are entitled
      to the benefits of the Registration Rights Agreement which provides, among
      other
      things, for certain registration rights and certain restrictions on the transfer
      of the Warrants and the Warrant Shares, and each Holder, by acceptance of a
      Warrant, accepts the restrictions and other provisions of the Registration
      Rights Agreement. 

     

    
      
        
        

      

      
        -1-

        
          

        

      

      
        
        

      

    

     

    3.  Registration
      of Transfers.
      The
      Company shall register the transfer of any portion of this Warrant in the
      Warrant Register, upon surrender of this Warrant, with the Form of Assignment
      attached hereto duly completed and signed, to the Company at its address
      specified herein. Upon any such registration or transfer, a new Warrant to
      purchase Common Stock, in substantially the form of this Warrant (any such
      new
      Warrant, a “New
      Warrant”),
      evidencing the portion of this Warrant so transferred shall be issued to the
      transferee and a New Warrant evidencing the remaining portion of this Warrant
      not so transferred, if any, shall be issued to the transferring Holder. The
      acceptance of the New Warrant by the transferee thereof shall be deemed the
      acceptance by such transferee of all of the rights and obligations of a holder
      of a Warrant. 

     

    4.  Exercise
      and Duration of Warrants.
      (a)
      This Warrant shall be exercisable by the registered Holder at any time and
      from
      time to time on or after the date hereof to and including the Expiration Date;
      provided, that if (i) the average of the Closing Prices for any consecutive
      30
      Trading Days period is at least $1.00, (ii) the average daily trading volume
      of
      the Common Stock during such 30-Trading Day period is at least 100,000 shares,
      and (iii) a Registration Statement covering the resale of the Warrant Shares
      is
      at such time effective (the first date upon which the conditions set forth
      in
      (i), (ii) and (iii) are satisfied, being referred to as the “Early
      Expiration Triggering Event”),
      then
      the Warrant shall be canceled and shall be of no further force and effect (to
      the extent not previously exercised) as of the 45th
      day
      following the Early Expiration Triggering Event; provided, that, and only if,
      the Company gives written notice to the Holder of same within five days
      following the Early Expiration Triggering Event it being understood that such
      notice and 45-day period is intended to give the Holder a reasonable opportunity
      to exercise this Warrant prior to such cancellation. As used herein, the term
      “Closing
      Price”
      means,
      for any date, the price determined by the first of the following clauses that
      applies: (A) if the Common Stock is then listed or quoted on New York Stock
      Exchange, the American Stock Exchange, the NASDAQ
      National
      Market, the NASDAQ
      Small
      Cap Market or the OTC Bulletin Board or any successor to any of the foregoing,
      the closing price per share of the Common Stock for such date (or the nearest
      preceding date) on the primary market or exchange on which the Common Stock
      is
      then listed or quoted; (B) if prices for the Common Stock are then reported
      in the “Pink Sheets” published by the National Quotation Bureau Incorporated (or
      a similar organization or agency succeeding to its functions of reporting
      prices), the most recent closing bid price per share of the Common Stock so
      reported; or (C) in all other cases, the fair market value of a share of Common
      Stock as determined by an independent appraiser selected in good faith by the
      Investors and the Company. 

     

    (b)
      A
      Holder may exercise this Warrant by delivering to the Company (i) an exercise
      notice, in the form attached hereto (the “Exercise
      Notice”),
      and
      (ii) payment of the Exercise Price for the number of Warrant Shares as to which
      this Warrant is being exercised and the date such items are delivered to the
      Company (as determined in accordance with the notice provisions hereof) is
      the
“Date
      of Exercise.”

     

    
      
        
        

      

      
        -2-

        
          

        

      

      
        
        

      

    

     

    (c)
      The
      Company may not call or redeem all or any portion of this Warrant without the
      prior written consent of the Holder.

     

    5.  Delivery
      of Warrant Shares.

     

    (a)  Upon
      delivery to the Company of an exercise notice in the form attached hereto (the
      “Exercise
      Notice”)
      at the
      Company’s address for notice set forth herein and upon payment of the Exercise
      Price multiplied by the number of Warrant Shares that the Holder intends to
      purchase hereunder, the Company shall promptly (but in no event later than
      three
      Trading Days after the Date of Exercise (as defined herein) issue and deliver
      to
      the Holder, a certificate for the Warrant Shares issuable upon such exercise,
      which, unless otherwise required by the Securities Purchase Agreement, shall
      be
      free of restrictive legends. The Company shall, upon request of the Holder
      and
      subsequent to the date on which a registration statement covering the resale
      of
      the Warrant Shares has been declared effective by the Securities and Exchange
      Commission, use its best efforts to deliver Warrant Shares hereunder
      electronically through the Depository Trust Corporation or another established
      clearing corporation performing similar functions, if available, provided,
      that,
      the Company may, but will not be required to change its transfer agent if its
      current transfer agent cannot deliver Warrant Shares electronically through
      the
      Depository Trust Corporation. A “Date
      of Exercise”
means
      the date on which the Holder shall have delivered to Company: the Exercise
      Notice, appropriately completed and duly signed, and payment of the Exercise
      Price for the number of Warrant Shares so indicated by the Holder to be
      purchased.

     

    (b)  To
      effect
      exercises hereunder, the Holder shall be required to physically surrender this
      Warrant. Execution and delivery of the Exercise Notice shall have the same
      effect as cancellation of the original Warrant and issuance of a New Warrant
      evidencing the right to purchase the remaining number of Warrant Shares. This
      Warrant is exercisable, either in its entirety or, from time to time, for a
      portion of the number of Warrant Shares. Upon surrender of this Warrant
      following one or more partial exercises, the Company shall issue or cause to
      be
      issued, at its expense, a New Warrant evidencing the right to purchase the
      remaining number of Warrant Shares.

     

    (c)  The
      Company’s obligations to issue and deliver Warrant Shares in accordance with the
      terms hereof are absolute and unconditional, irrespective of any action or
      inaction by the Holder to enforce the same, any waiver or consent with respect
      to any provision hereof, the recovery of any judgment against any Person or
      any
      action to enforce the same, or any setoff, counterclaim, recoupment, limitation
      or termination, or any breach or alleged breach by the Holder or any other
      Person of any obligation to the Company or any violation or alleged violation
      of
      law by the Holder or any other Person, and irrespective of any other
      circumstance which might otherwise limit such obligation of the Company to
      the
      Holder in connection with the issuance of Warrant Shares. Nothing herein shall
      limit a Holder’s right to pursue any other remedies available to it hereunder,
      at law or in equity including, without limitation, a decree of specific
      performance and/or injunctive relief with respect to the Company’s failure to
      timely deliver certificates representing shares of Common Stock upon exercise
      of
      the Warrant as required pursuant to the terms hereof.

     

    
      
        
        

      

      
        -3-

        
          

        

      

      
        
        

      

    

     

    6.  Charges,
      Taxes and Expenses.
      Issuance and delivery of certificates for shares of Common Stock upon exercise
      of this Warrant shall be made without charge to the Holder for any issue or
      transfer tax, withholding tax, transfer agent fee or other incidental tax or
      expense in respect of the issuance of such certificates, all of which taxes
      and
      expenses shall be paid by the Company; 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 registration of any certificates for Warrant Shares or Warrants
      in a name other than that of the Holder. The Holder shall be responsible for
      all
      other tax liability that may arise as a result of holding or transferring this
      Warrant or receiving Warrant Shares upon exercise hereof.

     

    7.  Replacement
      of Warrant.
      If this
      Warrant is mutilated, lost, stolen or destroyed, the Company shall issue or
      cause to be issued in exchange and substitution for and upon cancellation
      hereof, or in lieu of and substitution for this Warrant, a New Warrant, but
      only
      upon receipt of evidence reasonably satisfactory to the Company of such loss,
      theft or destruction and customary and reasonable indemnity (which shall not
      include a surety bond), if requested. Applicants for a New Warrant under such
      circumstances shall also comply with such other reasonable regulations and
      procedures and pay such other reasonable third-party costs as the Company may
      prescribe. If a New Warrant is requested as a result of a mutilation of this
      Warrant, then the Holder shall deliver such mutilated Warrant to the Company
      as
      a condition precedent to the Company’s obligation to issue the New
      Warrant.

     

    8.  Reservation
      of Warrant Shares.
      The
      Company covenants that it will at all times reserve and keep available out
      of
      the aggregate of its authorized but unissued and otherwise unreserved Common
      Stock, solely for the purpose of enabling it to issue Warrant Shares upon
      exercise of this Warrant as herein provided, the number of Warrant Shares which
      are then issuable and deliverable upon the exercise of this entire Warrant,
      free
      from preemptive rights or any other contingent purchase rights of persons other
      than the Holder (taking into account the adjustments and restrictions of Section
      9). The Company covenants that all Warrant Shares so issuable and deliverable
      shall, upon issuance and the payment of the applicable Exercise Price in
      accordance with the terms hereof, shall be duly and validly authorized, issued
      and fully paid and nonassessable.

     

    9.  Certain
      Adjustments.
      The
      Exercise Price and number of Warrant Shares issuable upon exercise of this
      Warrant are subject to adjustment from time to time as set forth in this Section
      9.

     

    (a)  Stock
      Dividends and Splits.
      If the
      Company, at any time while this Warrant is outstanding, (i) pays a stock
      dividend on its Common Stock or otherwise makes a distribution on any class
      of
      capital stock that is payable in shares of Common Stock, (ii) subdivides
      outstanding shares of Common Stock into a larger number of shares, or (iii)
      combines outstanding shares of Common Stock into a smaller number of shares,
      then in each such case the Exercise Price shall be multiplied by a fraction
      of
      which the numerator shall be the number of shares of Common Stock outstanding
      immediately before such event and of which the denominator shall be the number
      of shares of Common Stock outstanding immediately after such event. Any
      adjustment made pursuant to clause (i) of this paragraph shall become effective
      immediately after the record date for the determination of stockholders entitled
      to receive such dividend or distribution, and any adjustment pursuant to clause
      (ii) or (iii) of this paragraph shall become effective immediately after the
      effective date of such subdivision or combination. If any event requiring an
      adjustment under this Section 9(a) occurs during the period that an Exercise
      Price is calculated hereunder, then the calculation of such Exercise Price
      shall
      be adjusted appropriately to reflect such event.

     

    
      
        
        

      

      
        -4-

        
          

        

      

      
        
        

      

    

     

    (b)  Fundamental
      Transactions.
      If, at
      any time while this Warrant is outstanding, (1) the Company effects any merger
      or consolidation of the Company with or into another Person, (2) the Company
      effects any sale of all or substantially all of its assets in one or a series
      of
      related transactions, (3) any tender offer or exchange offer (whether by the
      Company or another Person) is completed pursuant to which holders of Common
      Stock are permitted to tender or exchange their shares for other securities,
      cash or property, or (4) the Company effects any reclassification of the Common
      Stock or any compulsory share exchange pursuant to which the Common Stock is
      effectively converted into or exchanged for other securities, cash or property
      (in any such case, a “Fundamental
      Transaction”),
      then
      the Holder shall have the right thereafter to receive, upon exercise of this
      Warrant, the same amount and kind of securities, cash or property as it would
      have been entitled to receive upon the occurrence of such Fundamental
      Transaction if it had been, immediately prior to such Fundamental Transaction,
      the holder of the number of Warrant Shares then issuable upon exercise in full
      of this Warrant (the “Alternate
      Consideration”).
      For
      purposes of any such exercise, the determination of the Exercise Price shall
      be
      appropriately adjusted to apply to such Alternate Consideration based on the
      amount of Alternate Consideration issuable in respect of one share of Common
      Stock in such Fundamental Transaction, and the Company shall apportion the
      Exercise Price among the Alternate Consideration in a reasonable manner
      reflecting the relative value of any different components of the Alternate
      Consideration. If holders of Common Stock are given any choice as to the
      securities, cash or property to be received in a Fundamental Transaction, then
      the Holder shall be given the same choice as to the Alternate Consideration
      it
      receives upon any exercise of this Warrant following such Fundamental
      Transaction. At the Holder’s option and request, any successor to the Company or
      surviving entity in such Fundamental Transaction shall issue to the Holder
      a new
      warrant substantially in the form of this Warrant and consistent with the
      foregoing provisions and evidencing the Holder’s right to purchase the Alternate
      Consideration for the aggregate Exercise Price upon exercise thereof. The terms
      of any agreement pursuant to which a Fundamental Transaction is effected shall
      include terms requiring any such successor or surviving entity to comply with
      the provisions of this Section 9(b) and insuring that the Warrant (or any such
      replacement security) will be similarly adjusted upon any subsequent transaction
      analogous to a Fundamental Transaction.

     

    (c)  In
      case
      the Company shall issue shares of Common Stock or rights, options, warrants
      or
      other securities to subscribe for or purchase Common Stock, or securities
      convertible or exercisable into or exchangeable for Common Stock (“Common
      Stock Equivalents”)
      (excluding shares, rights, options, warrants, or convertible or exchangeable
      securities, issued or issuable (i) in any of the transactions with respect
      to
      which an adjustment of the Exercise Price is provided pursuant to Sections
      9(a)
      or 9(b) above, (ii) upon exercise of the Warrants, (iii) pursuant to stock
      option plans, stock bonus plans, stock incentive plans, programs or agreements
      providing for the grant of shares, options for shares or stock appreciation
      rights to employees (including officers), directors, consultants, advisors,
      agents, lessors, lenders, customers, vendors and suppliers, or (iv) in
      connection with transactions which are not for the principal purpose of raising
      money (i.e., strategic alliance, corporate partnering, licensing of technology,
      mergers, acquisition of assets)), at a price per share lower than the Base
      Price
      (as hereinafter defined) per share of Common Stock in effect immediately prior
      to such issuance, then the Exercise Price shall be reduced on the date of such
      issuance to a price (calculated to the nearest cent) determined by multiplying
      the Exercise Price in effect immediately prior to such issuance by a fraction,
      (1) the numerator of which shall be an amount equal to the sum of (A) the number
      of shares of Common Stock outstanding immediately prior to such issuance plus
      (B) the quotient obtained by dividing the consideration received by the Company
      upon such issuance by the Base Price, and (2) the denominator of which shall
      be
      the total number of shares of Common Stock outstanding immediately after such
      issuance. For the purposes of such adjustments, the maximum number of shares
      which the holders of any such Common Stock Equivalents, shall be entitled to
      subscribe for or purchase or convert or exchange such securities into shall
      be
      deemed to be issued and outstanding as of the date of such issuance (whether
      or
      not such Common Stock Equivalent is then exercisable, convertible or
      exchangeable), and the consideration received by the Company therefore shall
      be
      deemed to be the consideration received by the Company for such Common Stock
      Equivalents, plus the minimum aggregate consideration or premiums stated in
      such
      Common Stock Equivalents, to be paid for the shares covered thereby. No further
      adjustment of the Exercise Price shall be made as a result of the actual
      issuance of shares of Common Stock on exercise of such Common Stock Equivalents.
      On the expiration or the termination of such Common Stock Equivalents, or the
      termination of such right to convert or exchange, the Exercise Price shall
      forthwith be readjusted (but only with respect to that portion of the Warrants
      which has not yet been exercised) to such Exercise Price as would have obtained
      had the adjustments made upon the issuance of such Common Stock Equivalents,
      been made upon the basis of the delivery of only the number of shares of Common
      Stock actually delivered upon the exercise of such Common Stock Equivalents;
      and
      on any change of the number of shares of Common Stock deliverable upon the
      exercise of any such Common Stock Equivalents, or any change in the
      consideration to be received by the Company upon such exercise, conversion,
      or
      exchange, including, but not limited to, a change resulting from the
      anti-dilution provisions thereof, the Exercise Price, as then in effect, shall
      forthwith be readjusted (but only with respect to that portion of the Warrants
      which has not yet been exercised or converted after such change) to such
      Exercise Price as would have been obtained had an adjustment been made upon
      the
      issuance of such Common Stock Equivalents not exercised prior to such change,
      or
      securities not converted or exchanged prior to such change, on the basis of
      such
      change. In case the Company shall issue shares of Common Stock or any such
      Common Stock Equivalents, for a consideration consisting, in whole or in part,
      of property other than cash or its equivalent, then the “price per share” and
      the “consideration received by the Company” for purposes of the first sentence
      of this Section 9(c) shall be as determined in good faith by the Board of
      Directors of the Company. Shares of Common Stock owned by or held for the
      account of the Company or any majority-owned subsidiary shall not be deemed
      outstanding for the purpose of any such computation. For the purposes of this
      Agreement “Base
      Price”
shall
      mean $0.287 (as adjusted for any stock dividends, combinations, splits,
      recapitalizations and the like).

     

    
      
        
        

      

      
        -5-

        
          

        

      

      
        
        

      

    

     

    (d)  Pro
      Rata Distributions.
      If the
      Company, at any time while this Warrant is outstanding, distributes to holders
      of Common Stock (i) evidences of its indebtedness, (ii) any security (other
      than
      a distribution of Common Stock covered by Section 9(a)), (iii) rights or
      warrants to subscribe for or purchase any security (other than Common Stock
      Equivalents which are covered by Section 9(c)), or (iv) any other asset (in
      each
      case, “Distributed
      Property”),
      then
      in each such case the Exercise Price in effect immediately prior to the record
      date fixed for determination of stockholders entitled to receive such
      distribution shall be adjusted (effective on such record date) to equal the
      product of such Exercise Price times a fraction of which the denominator shall
      be the average of the Closing Prices for the five Trading Days immediately
      prior
      to (but not including) such record date and of which the numerator shall be
      such
      average less the then fair market value of the Distributed Property distributed
      in respect of one outstanding share of Common Stock, as determined by the
      Company's independent certified public accountants that regularly examine the
      financial statements of the Company (an “Appraiser”).
      In
      such event, the Holder, after receipt of the determination by the Appraiser,
      shall have the right to select an additional appraiser (which shall be a
      nationally recognized accounting firm), in which case such fair market value
      shall be deemed to equal the average of the values determined by each of the
      Appraiser and such appraiser. As an alternative to the foregoing adjustment
      to
      the Exercise Price, at the request of the Holder delivered before the 90th
      day
      after such record date, the Company will deliver to such Holder, within five
      Trading Days after such request (or, if later, on the effective date of such
      distribution), the Distributed Property that such Holder would have been
      entitled to receive in respect of the Warrant Shares for which this Warrant
      could have been exercised immediately prior to such record date. If a Holder
      has
      elected to receive Distributed Property and such Distributed Property is not
      delivered to a Holder pursuant to the preceding sentence, then upon expiration
      of or any exercise of the Warrant that occurs after such record date, such
      Holder shall remain entitled to receive, in addition to the Warrant Shares
      otherwise issuable upon such exercise (if applicable), such Distributed
      Property. This Section 9(d) is only applicable if the Holder exercises the
      Warrant concurrently with the distribution to the Holder of the Distributed
      Property.

     

    
      
        
        

      

      
        -6-

        
          

        

      

      
        
        

      

    

     

    (e)  Number
      of Warrant Shares.
      Simultaneously with any adjustment to the Exercise Price pursuant to Sections
      9(a), 9(c) or 9(d), the number of Warrant Shares that may be purchased upon
      exercise of this Warrant shall be increased or decreased proportionately, so
      that after such adjustment the aggregate Exercise Price payable hereunder for
      the adjusted number of Warrant Shares shall be the same as the aggregate
      Exercise Price in effect immediately prior to such adjustment.

     

    (f)  Calculations.
      All
      calculations under this Section 9 shall be made to the nearest cent or the
      nearest 1/100th
      of a
      share, as applicable. The number of shares of Common Stock outstanding at any
      given time shall not include shares owned or held by or for the account of
      the
      Company, and the disposition of any such shares shall be considered an issue
      or
      sale of Common Stock.

     

    (g)  Notice
      of Adjustments.
      Upon
      the occurrence of each adjustment pursuant to this Section 9, the Company at
      its
      expense will promptly compute such adjustment in accordance with the terms
      of
      this Warrant and prepare a certificate setting forth such adjustment, including
      a statement of the adjusted Exercise Price and adjusted number or type of
      Warrant Shares or other securities issuable upon exercise of this Warrant (as
      applicable), describing the transactions giving rise to such adjustments and
      showing in detail the facts upon which such adjustment is based. Upon written
      request, the Company will promptly deliver a copy of each such certificate
      to
      the Holder and to the Company’s Transfer Agent.

     

    
      
        
        

      

      
        -7-

        
          

        

      

      
        
        

      

    

     

    (h)  Notices
      of Corporate Events.
      If the
      Company (i) declares a dividend or any other distribution of cash, securities
      or
      other property in respect of its Common Stock, including without limitation
      any
      granting of rights or warrants to subscribe for or purchase any capital stock
      of
      the Company or any Subsidiary, (ii) authorizes or approves, enters into any
      agreement contemplating or solicits stockholder approval for any Fundamental
      Transaction or (iii) authorizes a repurchase of Common Stock or the voluntary
      dissolution, liquidation or winding up of the affairs of the Company, then
      the
      Company shall deliver to the Holder a notice describing the material terms
      and
      conditions of such transaction, at least 10 calendar days prior to the
      applicable record or effective date on which a Person would need to hold Common
      Stock in order to participate in or vote with respect to such transaction,
      and
      the Company will take all steps reasonably necessary in order to insure that
      the
      Holder is given the practical opportunity to exercise this Warrant prior to
      such
      time so as to participate in or vote with respect to such transaction; provided,
      however, that the failure to deliver such notice or any defect therein shall
      not
      affect the validity of the corporate action required to be described in such
      notice.

     

    (i)  Successive
      Adjustments and Changes.
      The
      provisions of Section 9 shall similarly apply to successive dividends,
      subdivisions, combinations, and distributions, to successive consolidations,
      mergers, sales, leases, or conveyances, and to successive reclassifications,
      changes of shares of Common Stock and issuances of Common Stock, warrants,
      options or other rights to subscribe for or purchase Common Stock, or securities
      convertible into Common Stock. If applicable, appropriate adjustment, as
      determined in good faith by the Company’s Board of Directors, shall be made in
      the application of the provisions herein set forth with respect to the rights
      and interests of the Holder so that the provisions of Section 9 shall thereafter
      be applicable, as nearly as possible, in relation to any shares or other
      property thereafter deliverable upon exercise of this Warrant.

     

    10.  Payment
      of Exercise Price.
      The
      Holder must pay the Exercise Price by delivery of immediately
      available funds or, subject to the first sentence of the immediately following
      paragraph, if the Holder so elects, the Holder may satisfy its obligation to
      pay
      the Exercise Price through a “cashless exercise,” in which event the Company
      shall issue to the Holder the number of Warrant Shares determined as
      follows:

     

    X
      = Y* (
      (A-B) /A)

     

    where:

     

    X
      = the
      number of Warrant Shares to be issued to the Holder.

     

    Y
      = the
      number of Warrant Shares with respect to which this Warrant is being
      exercised.

     

    A
      = the
      Common Stock Market Price.

     

    B
      = the
      Exercise Price.

     

    As
      used
      herein, the term "COMMON STOCK MARKET PRICE" means the greater of: (i) the
      Closing Price of the Trading Day immediately preceding (but not including)
      the
      Date of Exercise, (ii) the average of the Closing Prices for the 10 Trading
      Days
      immediately preceding (but not including) the Date of Exercise, and (iii) if
      applicable, the average of the Closing Prices for the 90 Trading Days
      immediately following the date on which a Registration Statement covering the
      resale of the Warrant Shares is declared effective (or, if the Date of Exercise
      is less than 90 Trading Days following such effective date, then such shorter
      period). For purposes of Rule 144 promulgated under the Securities Act, it
      is
      intended, understood and acknowledged that the Warrant Shares issued in a
      cashless exercise transaction shall be deemed to have been acquired by the
      Holder, and the holding period for the Warrant Shares shall be deemed to have
      commenced, on the date this Warrant was originally issued pursuant to the
      Securities Purchase Agreement. As used herein, the term "CLOSING PRICE" means,
      for any date, the price determined by the first of the following clauses that
      applies: (A] if the Common Stock is then listed or quoted on New York Stock
      Exchange, the American Stock Exchange, the Nasdaq National Market, the Nasdaq
      Small Cap Market or the OTC Bulletin Board or any successor to any of the
      foregoing, the closing price per share of the Common Stock for such date (or
      the
      nearest preceding date) on the primary market or exchange on which the Common
      Stock is then Listed or quoted: (B) if prices for the Common Stock are then
      reported in the "Pink Sheets" published by the National Quotation Bureau
      Incorporated (or a similar organization or agency succeeding to its functions
      of
      reporting prices), the most recent closing bid price per share of the Common
      Stock so reported; or (C) in all other cases, the fair market value of a share
      of Common Stock as determined by an independent appraiser selected in good
      faith
      by the Investors and the Company.

     

    
      
        
        

      

      
        -8-

        
          

        

      

      
        
        

      

    

     

    11.  Limitations
      on Exercise.
      

     

    (a)  Notwithstanding
      anything to the contrary contained herein, the number of shares of Common Stock
      that may be acquired by the Holder upon any exercise of this Warrant (or
      otherwise in respect hereof) shall be limited to the extent necessary to insure
      that, following such exercise (or other issuance), the total number of shares
      of
      Common Stock then beneficially owned by such Holder and its Affiliates and
      any
      other Persons whose beneficial ownership of Common Stock would be aggregated
      with the Holder's for purposes of Section 13(d) of the Exchange Act, does not
      exceed 4.999% (the "5%
      Maximum Percentage")
      of the
      total number of issued and outstanding shares of Common Stock (including for
      such purpose the shares of Common Stock issuable upon such exercise). For such
      purposes, beneficial ownership shall be determined in accordance with Section
      13(d) of the Exchange Act and the rules and regulations promulgated thereunder.
      The Company shall, instead of issuing shares of Common Stock in excess of the
      limitation referred to in this Section 11(a), suspend its obligation to issue
      shares in excess of the foregoing limitation until such time, if any, as such
      shares of Common Stock may be issued in compliance with such limitation.
      Additionally, by written
      notice
      to the Company, the Holder may waive the provisions of this Section 11(a) or
      increase or decrease the 5% Maximum Percentage to any other percentage specified
      in such notice; provided, that (i) any such waiver or increase or decrease
      will
      not be effective until the 61st
      day
      after such notice is delivered to the Company, and (ii) any such waiver or
      increase or decrease will apply only to the Holder and not to any other holder
      of Warrants.

     

    (b)  Notwithstanding
      anything to the contrary contained herein and regardless of whether the
      restrictions contained in Section 11(a) are waived as provided therein, the
      number of shares of Common Stock that may be acquired by the Holder upon any
      exercise of this Warrant (or otherwise in respect hereof) shall be limited
      to
      the extent necessary to insure that, following such exercise (or other
      issuance), the total number of shares of Common Stock then beneficially owned
      by
      such Holder and its Affiliates and any other Persons whose beneficial ownership
      of Common Stock would be aggregated with the Holder's for purposes of Section
      13(d) of the Exchange Act, does not exceed 9.999% (the "10%
      Maximum Percentage")
      of the
      total number of issued and outstanding shares of Common Stock (including for
      such purpose the shares of Common Stock issuable upon such exercise). For such
      purposes, beneficial ownership shall be determined in accordance with Section
      13(d) of the Exchange Act and the rules and regulations promulgated thereunder.
      The Company shall, instead of issuing shares of Common Stock in excess of the
      limitation referred to in this Section 11(b), suspend its obligation to issue
      shares in excess of the foregoing limitation until such time, if any, as such
      shares of Common Stock may be issued in compliance with such limitation. The
      provisions of this Section 11(b) may not be waived. 

     

    
      
        
        

      

      
        -9-

        
          

        

      

      
        
        

      

    

     

    (c)  
      This
      Section 11 shall not restrict the number of shares of Common Stock which a
      Holder may receive or beneficially own in order to determine the amount of
      securities or other consideration that such Holder may receive in the event
      of a
      Fundamental Transaction as contemplated in Section 9(b) this Warrant or the
      amount of Distributed Property to which the Holder may become entitled pursuant
      to Section 9(d) of this Warrant. In addition, this provision shall not in any
      way limit any other adjustment to be made pursuant to Section 9
      hereof. 

     

    12.  No
      Fractional Shares.
      If any
      fraction of a Warrant Share would, except for the provisions of this Section,
      be
      issuable upon exercise of this Warrant, the number of Warrant Shares to be
      issued will be rounded up to the nearest whole share.

     

    13.  Notices.
      Any and
      all notices or other communications or deliveries hereunder (including, without
      limitation, any Exercise Notice) shall be in writing and shall be deemed given
      and effective on the earliest of (i) the date of transmission, if such notice
      or
      communication is delivered via confirmed facsimile at the facsimile number
      specified in this Section prior to 4:00 p.m. (New York City time) on a Trading
      Day, (ii) the next Trading Day after the date of transmission, if such notice
      or
      communication is delivered via confirmed facsimile at the facsimile number
      specified in this Section on a day that is not a Trading Day or later than
      4:00
      p.m. (New York City time) on any Trading Day, (iii) the Trading Day following
      the date of mailing, if sent by nationally recognized overnight courier service,
      or (iv) upon actual receipt by the party to whom such notice is required to
      be
      given. The addresses for such communications shall be: (i) if to the Company,
      to
      Advaxis, Inc., Technology Center of New Jersey, 675 Route 1, Suite 113, North
      Brunswick, New Jersey 08902, Attention: Chief Executive Officer, or (ii) if
      to
      the Holder, to the address or facsimile number appearing on the Warrant Register
      or such other address or facsimile number as the Holder may provide to the
      Company in accordance with this Section.

     

    14.  Warrant
      Agent.
      The
      Company shall serve as warrant agent under this Warrant. Upon 10 days’ notice to
      the Holder, the Company may appoint a new warrant agent. Any corporation into
      which the Company or any new warrant agent may be merged or any corporation
      resulting from any consolidation to which the Company or any new warrant agent
      shall be a party or any corporation to which the Company or any new warrant
      agent transfers substantially all of its corporate trust or shareholders
      services business shall be a successor warrant agent under this Warrant without
      any further act. Any such successor warrant agent shall promptly cause notice
      of
      its succession as warrant agent to be mailed (by first class mail, postage
      prepaid) to the Holder at the Holder’s last address as shown on the Warrant
      Register.

     

    
      
        
        

      

      
        -10-

        
          

        

      

      
        
        

      

    

     

    15.  Miscellaneous.

     

    (a)  Subject
      to the restrictions on transfer set forth on the first page hereof, this Warrant
      may be assigned by the Holder upon delivery to the Company of a properly
      completed notice of assignment, substantially in the form attached hereto.
      This
      Warrant may not be assigned by the Company except to a successor in the event
      of
      a Fundamental Transaction. This Warrant shall be binding on and inure to the
      benefit of the parties hereto and their respective successors and assigns.
      Subject to the preceding sentence, nothing in this Warrant shall be construed
      to
      give to any Person other than the Company and the Holder any legal or equitable
      right, remedy or cause of action under this Warrant. This Warrant may be amended
      only in writing signed by the Company and the Holder and their successors and
      assigns.

     

    (b)  All
      questions concerning the construction, validity, enforcement and interpretation
      of this Warrant shall be governed by and construed and enforced in accordance
      with the internal laws of the State of New York, without regard to the
      principles of conflicts of law thereof. Each party agrees that all legal
      proceedings concerning the interpretations, enforcement and defense of this
      Warrant and the transactions herein contemplated (“Proceedings”)
      (whether brought against a party hereto or its respective Affiliates, employees
      or agents) may be commenced non-exclusively in the state and federal courts
      sitting in the City of New York, Borough of Manhattan (the “New
      York Courts”).
      Each
      party hereto hereby irrevocably submits to the non-exclusive jurisdiction of
      the
      New York Courts for the adjudication of any dispute hereunder or in connection
      herewith or with any transaction contemplated hereby or discussed herein, and
      hereby irrevocably waives, and agrees not to assert in any Proceeding, any
      claim
      that it is not personally subject to the jurisdiction of any New York Court,
      or
      that such Proceeding has been commenced in an improper or inconvenient forum.
      Each party hereto hereby irrevocably waives personal service of process and
      consents to process being served in any such Proceeding by mailing a copy
      thereof via registered or certified mail or overnight delivery (with evidence
      of
      delivery) to such party at the address in effect for notices to it under this
      Warrant and agrees that such service shall constitute good and sufficient
      service of process and notice thereof. Nothing contained herein shall be deemed
      to limit in any way any right to serve process in any manner permitted by law.
      EACH
      PARTY HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY
      APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
      ARISING OUT OF OR RELATING TO THIS WARRANT OR THE TRANSACTIONS CONTEMPLATED
      HEREBY. IF EITHER PARTY SHALL COMMENCE A PROCEEDING TO ENFORCE ANY PROVISIONS
      OF
      THIS WARRANT, THEN THE PREVAILING PARTY IN SUCH PROCEEDING SHALL BE REIMBURSED
      BY THE OTHER PARTY FOR ITS ATTORNEY’S FEES AND OTHER COSTS AND EXPENSES INCURRED
      WITH THE INVESTIGATION, PREPARATION AND PROSECUTION OF SUCH
      PROCEEDING.

     

    (c)  The
      headings herein are for convenience only, do not constitute a part of this
      Warrant and shall not be deemed to limit or affect any of the provisions
      hereof.

     

    
      
        
        

      

      
        -11-

        
          

        

      

      
        
        

      

    

     

    (d)  In
      case
      any one or more of the provisions of this Warrant shall be invalid or
      unenforceable in any respect, the validity and enforceability of the remaining
      terms and provisions of this Warrant shall not in any way be affected or
      impaired thereby and the parties will attempt in good faith to agree upon a
      valid and enforceable provision which shall be a commercially reasonable
      substitute therefore, and upon so agreeing, shall incorporate such substitute
      provision in this Warrant.

     

    (e) The
      Company will not, by amendment of its governing documents or through any
      reorganization, transfer of assets, consolidation, merger, dissolution, issue
      or
      sale of securities or any other voluntary action, avoid or seek to avoid the
      observance or performance of any of the terms of this Warrant, but will at
      all
      times in good faith assist in the carrying out of all such terms and in the
      taking of all such action as may be necessary or appropriate in order to protect
      the rights of the Holder against impairment. Without limiting the generality
      of
      the foregoing, the Company (i) will not increase the par value of any Warrant
      Shares above the amount payable therefore on such exercise, (ii) will take
      all
      such action as may be reasonably necessary or appropriate in order that the
      Company may validly and legally issue fully paid and nonassessable Warrant
      Shares on the exercise of this Warrant, and (iii) will not close its stockholder
      books or records in any manner which interferes with the timely exercise of
      this
      Warrant.

     

    

    [REMAINDER
      OF PAGE INTENTIONALLY LEFT BLANK,

    SIGNATURE
      PAGE FOLLOWS]

     

    
      
        
        

      

      
        -12-

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the Company has caused this Warrant to be duly executed by
      its
      authorized officer as of the date first indicated above.

     

    
      	 	 	 
	 	
              ADVAXIS,
                INC.

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Name: Thomas
                Moore

            
	 	Title: Chief
              Executive Officer

    

     

    
      
        
        

      

      
        -13-

        
          

        

      

      
        
        

      

    

    ADVAXIS,
      INC. —
      EXERCISE NOTICE

     

    Exercise
      Notice for Warrant No: ________

     

    The
      undersigned hereby irrevocably elects to purchase ________________ shares of
      Common Stock of Advaxis, Inc. (the “Company”),
      pursuant to the above captioned Warrant. Capitalized terms used herein and
      not
      otherwise defined herein shall have the meanings ascribed to such terms in
      the
      above captioned Warrant. The Holder intends that payment of the Exercise Price
      shall be made as (check one):

     

    ____
      “Cash Exercise” with respect to _________________ of shares

     

    ____
      “Cashless Exercise” with respect to _________________ of shares

     

    If
      the
      holder has elected a Cash Exercise, the holder shall pay the sum of
      $_____________ to the Company in accordance with the terms of the
      Warrant.

     

    Pursuant
      to this exercise, the Company shall deliver to the holder __________ Warrant
      Shares in accordance with the terms of the Warrant. Following this exercise,
      the
      Warrant will reflect the right to purchase a total of ___________ Warrant
      Shares.

     

    The
      undersigned requests that certificates for the shares of Common Stock issuable
      upon this exercise be issued in the name of: 

     

    ____________________________________

    

    ____________________________________

    

    _____________________________________

    (Print
      Name, Address and Social Security 

    or
      Tax
      Identification Number)

    

    and,
      if
      such number of Warrant Shares shall not be all the Warrant Shares covered by
      the
      within Warrant, that a new Warrant for the balance of the Warrant Shares covered
      by within Warrant be registered in the name of, and delivered to, the
      undersigned at the address stated below.

     

    
      	 	 	 
	
            	Dated: 	
            
	 	 	
              
 
	 	By:	 
	 	 	
              
Print
              Name:
	 	 	 
	 	Signature:   	 
	 	
              

            

    

     

    
      
        
        

      

      
        -14-

        
          

        

      

      
        
        

      

    

     

    Address:

    __________________________

    __________________________

    __________________________

     

    ADVAXIS,
      INC.

     

    FORM
      OF ASSIGNMENT

     

    [To
      be
      completed and signed only upon transfer of Warrant]

     

    Warrant
      No: ____________

     

    FOR
      VALUE
      RECEIVED, the undersigned hereby sells, assigns and transfers unto
      ________________________________ the right represented by the above-captioned
      Warrant to purchase ____________ shares of Common Stock of Advaxis, Inc. to
      which such Warrant relates and appoints ________________ attorney to transfer
      said right on the books of the Company with full power of substitution in the
      premises.

     

    Dated: _______________,
      ____

     

    _______________________________________

     

    (Signature
      must conform in all respects to name 

    of
      holder
      as specified on the face of the Warrant)

     

    _______________________________________

    Address
      of Transferee

     

    _______________________________________

     

    _______________________________________

     

    In
      the
      presence of:

    __________________________

     

    
      
        
        

      

      
        -15-

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