Document:

EXHIBIT
      4.4

     

    
      	
              WB-

            	 	
              Warrant
                to Purchase

              **       
                **

              Shares
                of Common Stock

            

    

     

    THIS
      WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS WARRANT
      HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THIS
      WARRANT AND THE COMMON STOCK ISSUABLE UPON SUCH EXERCISE MAY NOT BE SOLD,
OFFERED
      FOR SALE, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION
      STATEMENT AS TO THIS WARRANT UNDER SAID ACT AND ANY APPLICABLE STATE SECURITIES
      LAW OR AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF SUCH ACT AND SUCH
      STATE SECURITIES LAWS, AND THE INVESTOR SHALL HAVE DELIVERED TO THE ISSUING
      COMPANY AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUING COUNSEL
      AS
      TO THE AVAILABILITY OF SUCH EXEMPTION.

     

    Void
      after 5:30 P.M. New York City time on December 31, 2010

     

    SERIES
      B COMMON STOCK PURCHASE WARRANT

     

    OF

     

    LOUNSBERRY
      HOLDINGS I, INC.

     

    This
      is
      to certify that, FOR VALUE
      RECEIVED,                  
, or registered assigns (“Holder”), is entitled to purchase, on the terms and
      subject to the provisions of this Warrant, from Lounsberry Holdings I, Inc.,
      a
      Delaware corporation (the “Company”), at an exercise price (the “Exercise
      Price”) of twelve cents ($.12) per
      share,                   
(      ,       ) shares
      of common stock, par value $.0001 per share (“Common Stock”), of the Company at
      any time during the period (the “Exercise Period”) commencing on the July 1,
      2006 and ending at 5:30 P.M. New York City time, on December 31, 2010; provided,
      however, that if such date is a day on which banking institutions in the State
      of New York are authorized by law to close, then on the next succeeding day
      which such banks are not authorized to close. The number of shares of Common
      Stock to be issued upon the exercise or conversion of this Warrant and the
      price
      to be paid for a share of Common Stock may be adjusted from time to time in
      the
      manner set forth in this Warrant. The shares of Common Stock deliverable upon
      such exercise or conversion, and as adjusted from time to time, are hereinafter
      sometimes referred to as “Warrant Shares,” and the exercise price for the
      purchase of a share of Common Stock pursuant to this Warrant in effect at any
      time, as the same may be adjusted from time to time, is hereinafter sometimes
      referred to as the “Exercise Price.” 

     

    1.    Exercise
      of Warrant.
      This
      Warrant may be exercised in whole at any time or in part from time to time
      during the Exercise Period by presentation and surrender hereof to the Company
      at its principal office, or at the office of its stock transfer agent, if any,
      with the Purchase Form annexed hereto duly executed and accompanied by payment
      of the Exercise Price for the number of shares of Common Stock specified in
      such
      form. Payment of the Exercise Price may be made either by check (subject to
      collection) or wire transfer in the amount of the Exercise Price. If this
      Warrant should be exercised in part only, the Company shall, upon surrender
      of
      this Warrant for cancellation, execute and deliver a new Warrant evidencing
      the
      rights of the Holder hereof to purchase the balance of the shares of Common
      Stock purchasable hereunder. Upon receipt by the Company of this Warrant at
      its
      office, or by the stock transfer agent of the Company at its office, in proper
      form for exercise, the Holder shall be deemed to be the holder of record of
      the
      shares of Common Stock issuable upon such exercise, notwithstanding that the
      stock transfer books of the Company shall then be closed or that certificates
      representing such shares of Common Stock shall not then be actually delivered
      to
      the Holder. Notwithstanding the foregoing, in the event that the Exercise Price
      is paid in a manner other than by a wire transfer of the Exercise Price, the
      Company shall not deliver the certificate for the Warrant Shares until the
      Company has been advised by its bank that payment of the Exercise Price has
      cleared.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    2.    Reservation
      of Shares.
      The
      Company hereby agrees that at all times there shall be reserved for issuance
      upon exercise of this Warrant such number of shares of Common Stock as shall
      be
      required for issuance and delivery upon exercise or conversion of this Warrant
      and that it shall not increase the par value of the Common Stock.
      The
      Company covenants and agrees that all shares of stock issued and delivered
      upon
      the exercise of this Warrant shall, upon delivery and payment therefor, be
      duly
      and validly authorized and issued, fully-paid and non-assessable.

     

    3.    Fractional
      Shares.
      No
      fractional shares or script representing fractional shares shall be issued
      upon
      the exercise of this Warrant. With respect to any fraction of a share called
      for
      upon any exercise or conversion of this Warrant, the Company shall round the
      number of shares of Common Stock to be issued to the next higher integral number
      of shares 

     

    4.    Exchange,
      Transfer, Assignment or Loss of Warrant.
      This
      Warrant is exchangeable, without expense, at the option of the Holder, upon
      presentation and surrender hereof to the Company or at the office of its stock
      transfer agent, if any, for other Warrants of different denominations entitling
      the holder thereof to purchase in the aggregate the same number of shares of
      Common Stock purchasable hereunder. Subject to the provisions of Section 10
      of
      this Warrant, upon surrender of this Warrant to the Company or at the office
      of
      its stock transfer agent, if any, with the Assignment Form annexed hereto duly
      executed and funds sufficient to pay any transfer tax, the Company shall,
      without charge, execute and deliver a new Warrant in the name of the assignee
      named in such instrument of assignment and this Warrant shall promptly be
      canceled. This Warrant may be divided or combined with other Warrants which
      carry the same rights upon presentation hereof at the office of the Company
      or
      at the office of its stock transfer agent, if any, together with a written
      notice specifying the names and denominations in which new Warrants are to
      be
      issued and signed by the Holder hereof. The term “Warrant” as used herein
      includes any Warrants into which this Warrant may be divided or exchanged.
      Upon
      receipt by the Company of evidence satisfactory to it of the loss, theft,
      destruction or mutilation of this Warrant, and (in the case of loss, theft
      or
      destruction) of reasonably satisfactory indemnification, and upon surrender
      and
      cancellation of this Warrant, if mutilated, the Company will execute and deliver
      a new Warrant of like tenor. Any such new Warrant executed and delivered shall
      constitute an additional contractual obligation on the part of the Company,
      whether or not this Warrant so lost, stolen, destroyed, or mutilated shall
      be at
      any time enforceable by anyone.

     

    5.    Rights
      of the Holder.
      The
      Holder shall not, by virtue of this Warrant, be entitled to any rights of a
      stockholder in the Company, either at law or equity. The rights of the Holder
      are limited to those expressed in the Warrant, the agreement pursuant to which
      this Warrant was issued, including the Registration Rights Provisions, and
      are
      not enforceable against the Company except to the extent set forth herein and
      therein.

     

    6.    Adjustments
      To Exercise Price.
      The
      Exercise Price in effect at any time and the number and kind of securities
      purchasable upon exercise of each Warrant shall be subject to adjustment as
      follows:

     

    
      
         

      

      
        -2-

        
          

        

      

      
         

      

    

     

    (a)    In
      case
      the Company shall, subsequent to January 1, 2006, (i) pay a dividend or make
      a
      distribution on its shares of Common Stock in shares of Common Stock, (ii)
      subdivide or reclassify its outstanding Common Stock into a greater number
      of
      shares or otherwise effect a stock split or distribution, or (iii) combine
      or
      reclassify its outstanding Common Stock into a smaller number of shares or
      otherwise effect a reverse split, the Exercise Price in effect at the time
      of
      the record date for such dividend or distribution or of the effective date
      of
      such subdivision, combination or reclassification shall be proportionately
      adjusted so that the Holder of this Warrant exercised after such date shall
      be
      entitled to receive the aggregate number and kind of shares which, if this
      Warrant had been exercised immediately prior to such time, he would have owned
      upon such exercise and been entitled to receive upon such dividend,
      distribution, subdivision, combination or reclassification. Such adjustment
      shall be made successively whenever any event listed in this Section 6(a)
      shall occur.

     

    (b)    Whenever
      the Exercise Price payable upon exercise of each Warrant is adjusted pursuant
      to
      this Section 6, the number of shares of Common Stock issuable upon exercise
      or
      conversion of this Warrant shall simultaneously be adjusted by multiplying
      the
      number of shares of Common Stock issuable upon exercise of each Warrant in
      effect on immediately prior to the adjustment by the Exercise Price then in
      effect and dividing the product so obtained by the Exercise Price, as adjusted.
      In no event shall the Exercise Price per share be less than the par value per
      share, and, if any adjustment made pursuant to said Section 6 would result
      in an
      Exercise Price which would be less than the par value per share, then, in such
      event, the Exercise Price per share shall be the par value per share; provided,
      however, that the limitation contained in this sentence shall not affect the
      number of shares of Common Stock issuable upon exercise or conversion of this
      Warrant.

     

    (c)    In
      the
      event that at any time, as a result of an adjustment made pursuant to this
      Section 6, the Holder of any Warrant thereafter shall become entitled to receive
      any shares of the Company, other than Common Stock, thereafter the number of
      such other shares so receivable upon exercise of any Warrant shall be subject
      to
      adjustment from time to time in a manner and on terms as nearly equivalent
      as
      practicable to the provisions with respect to the Common Stock contained in
      this
      Sections 6. For purposes of this Warrant, the term “Common Stock” shall
      mean the Company’s presently authorized Common Stock, par value $.0001 per
      share, and any stock into or for which such Common Stock may hereafter be
      converted or exchanged prior to or concurrent with the exercise of this
      Warrant.

     

    (d)    Irrespective
      of any adjustments in the Exercise Price or the number or kind of shares
      purchasable upon exercise of Warrants, Warrants theretofore or thereafter issued
      may continue to express the same price and number and kind of shares as are
      stated in this and similar Warrants initially issued by the
      Company.

     

    7.    Officer’s
      Certificate.
      Whenever the Exercise Price shall be adjusted as required by the provisions
      of
      Section 6 of this Warrant, the Company shall forthwith file in the custody
      of
      its Secretary or an Assistant Secretary at its principal office and with its
      stock transfer agent, if any, an officer’s certificate showing the adjusted
      Exercise Price and the adjusted number of shares of Common Stock issuable upon
      exercise of each Warrant, determined as herein provided, setting forth in
      reasonable detail the facts requiring such adjustment, including a statement
      of
      the number of additional shares of Common Stock, if any, and such other facts
      as
      shall be necessary to show the reason for and the manner of computing such
      adjustment. Each such officer’s certificate shall be made available at all
      reasonable times for inspection by the Holder, and the Company shall, forthwith
      after each such adjustment, mail, by certified mail, return receipt requested
      and by telecopier and e-mail, a copy of such certificate to the Holder at the
      Holder’s address set forth in the Company’s Warrant Register.

     

    
      
         

      

      
        -3-

        
          

        

      

      
         

      

    

     

    8.    Notices
      To Warrant Holders.
      So long
      as this Warrant shall be outstanding, (a) if the Company shall pay any dividend
      or make any distribution upon Common Stock (other than a regular cash dividend
      payable out of retained earnings) or (b) if the Company shall offer to the
      holders of Common Stock for subscription or purchase by them any share of any
      class of securities of the Company or any other rights or (c) if any capital
      reorganization of the Company, reclassification of the capital stock of the
      Company, consolidation or merger of the Company with or into another
      corporation, sale, lease or transfer of all or substantially all of the property
      and assets of the Company to another corporation or other entity, or voluntary
      or involuntary dissolution, liquidation or winding up of the Company shall
      be
      effected, then in any such case, the Company shall cause to be mailed by
      certified mail, return receipt requested, to the Holder, at least fifteen days
      prior to the date specified in clauses (i) and (ii), as the case may be, of
      this
      Section 8 a notice containing a brief description of the proposed action and
      stating the date on which (i) a record is to be taken for the purpose of such
      dividend, distribution or rights, or (ii) such reclassification, reorganization,
      consolidation, merger, conveyance, lease, dissolution, liquidation or winding
      up
      is to take place and the date, if any is to be fixed, as of which the holders
      of
      Common Stock or other securities shall receive cash or other property
      deliverable upon such reclassification, reorganization, consolidation, merger,
      conveyance, dissolution, liquidation or winding up.

     

    9.    Reclassification,
      Reorganization or Merger.
      In case
      of any reclassification, capital reorganization or other change of shares of
      Common Stock of the Company, or in case of any consolidation or merger of the
      Company with or into another corporation (other than a merger in which the
      Company is the continuing corporation and which does not result in any
      reclassification, capital reorganization or other change of outstanding shares
      of Common Stock of the class issuable upon exercise of this Warrant) or in
      case
      of any sale, lease or conveyance to another corporation or entity of all or
      substantially all of the property of the Company, or in case of any voluntary
      liquidation, dissolution or winding up of the Company, the Company shall, as
      a
      condition precedent to such transaction, cause effective provisions to be made
      so that the Holder shall have the right thereafter by exercising this Warrant,
      to purchase or to receive, as the case may be, the kind and amount of shares
      of
      stock and other securities and property receivable upon such reclassification,
      capital reorganization and other change, consolidation, merger, sale, lease
      conveyance, voluntary liquidation, dissolution or winding up, by a holder of
      the
      number of shares of Common Stock which might have been purchased or received
      upon exercise of this Warrant immediately prior to such reclassification,
      change, consolidation, merger, sale, lease, conveyance, voluntary liquidation,
      dissolution or winding up of the Company. Any such provision shall include
      provision for adjustments which shall be as nearly equivalent as may be
      practicable to the adjustments provided for in this Warrant. The foregoing
      provisions of this Section 9 shall similarly apply to successive
      reclassifications, capital reorganizations and changes of shares of Common
      Stock
      and to successive consolidations, mergers, sales, leases or conveyances.
      Notwithstanding the foregoing, in the event that, as a result of any merger,
      consolidation, sale of assets or similar transaction, all of the holders of
      Common Stock receive and are entitled to receive no material consideration
      other
      than cash in respect of their shares of Common Stock, then, at the effective
      time of the transaction, the rights to purchase Common Stock pursuant to the
      Warrants shall terminate, and the holders of the Warrants shall, notwithstanding
      any other provisions of this Warrant, receive in respect of each Warrant to
      purchase one (1) share of Common Stock, upon presentation of the Warrant
      Certificate, the amount by which the consideration per share of Common Stock
      payable to the holders of Common Stock at such effective time exceeds the
      Exercise Price in effect on such effective date, without giving effect to the
      transaction. In the event that, in such a transaction, the value of the
      consideration to be received per share of Common Stock is equal to or less
      than
      the Exercise Price, the Warrants shall automatically terminate and no
      consideration will be paid with respect thereof.

     

    
      
         

      

      
        -4-

        
          

        

      

      
         

      

    

     

    10.    Transfer
      to Company with the Securities Act Of 1933.
      Neither
      this Warrant or the Warrant Shares nor any other security issued or issuable
      upon exercise of this Warrant may be sold or otherwise disposed of except
      pursuant to an effective registration statement under the Securities Act of
      1933, as amended, or an exemption from the registration requirements of such
      Act.

     

    Dated
      as
      of January , 2006    

    LOUNSBERRY
      HOLDINGS I, INC.

     

     

    By:

      
        

      

    

    Paul
      B.
      Silverman, CEO

     

    
      
         

      

      
        -5-

        
          

        

      

      
         

      

    

    PURCHASE
      FORM

     

    

     

    Dated:
      ,
      20  

     

    
       

        
          	_______	
                  The
                    undersigned hereby irrevocably exercises this Warrant to the
                    extent of
                    purchasing _______ shares of Common Stock and hereby makes payment
                    of
                    $____________ in payment of the Exercise Price
                    therefor.

                

        

      

    

     

    INSTRUCTIONS
      FOR REGISTRATION OF STOCK

     

    Name:______________________________________________________________________________ 

    (Please
      typewrite or print in block letters)

     

     

    Signature:___________________________________________
      

     

    Social
      Security or Employer Identification No.________________________

     

    ASSIGNMENT
      FORM

     

    FOR
      VALUE
      RECEIVED,_______________________________________________________

     

    hereby
      sells, assigns and transfer unto

     

    Name_________________________________________________________________________
      

    (Please
      typewrite or print in block letters)

     

    Address________________________________________________________________________
      

     

    Social
      Security or Employer Identification No._______________________ 

     

    The
      right
      to purchase Common Stock represented by this Warrant to the extent of
      _________shares as to which such right is exercisable and does hereby
      irrevocably constitute and appoint __________________ attorney to transfer
      the
      same on the books of the Company with full power of substitution.

     

    Dated:
      ,
      20 

    

     

    Signature_________________________________________
      

     

    Signature
      Medallion Guaranteed:

     

    

    _________________________________________________
      

     

     

    
      
         

      

        -6-Exhibit 4.1

                                RIGHTS AGREEMENT

                                  BY AND AMONG

                                  MYOTECH, LLC,

               THE MEMBERS OF MYOTECH, LLC, SET FORTH ON EXHIBIT A

                                       AND

                           BIOPHAN TECHNOLOGIES, INC.

                          Dated as of November 30, 2005

<PAGE>

                                  MYOTECH, LLC

                                RIGHTS AGREEMENT

      This Agreement dated as of November 30, 2005 is entered into by and among
Myotech, LLC, a New York limited liability company (the "Company"), the members
of the Company listed on Exhibit A attached hereto (the "Members"), and Biophan
Technologies, Inc., a Nevada corporation (the "Purchaser").

                                    Recitals

      WHEREAS, the Company and the Purchaser have entered into a Securities
Purchase Agreement of even date herewith (the "Securities Purchase Agreement");
and

      WHEREAS, the Company, the Members and the Purchaser desire to provide for
certain arrangements with respect to (i) the registration of shares of common
stock of the Purchaser under the Securities Act (as defined below), and (ii)
certain covenants of the Company, the Members and the Purchaser;

      NOW, THEREFORE, in consideration of the mutual promises and covenants
contained in this Agreement, the parties hereto agree as follows:

      1. Certain Definitions.

      As used in this Agreement, the following terms shall have the following
respective meanings:

            "Class A Units" means the Class A Units of the Company.

            "Code" means the Internal Revenue Code of 1986, as amended.

            "Commission" means the Securities and Exchange Commission, or any
other federal agency at the time administering the Securities Act.

            "Company" has the meaning ascribed to it in the introductory
paragraph hereto.

            "Company Sale" means: (a) a merger or consolidation in which (i) the
Company is a constituent party, or (ii) a Company Subsidiary is a constituent
party and the Company issues units pursuant to such merger or consolidation,
except in the case of either clause (i) or (ii) any such merger or consolidation
involving the Company or a Company Subsidiary in which the units of the Company
outstanding immediately prior to such merger or consolidation continue to
represent, or are converted into or exchanged for shares of capital stock or
other equity securities which represent, immediately following such merger or
consolidation, more than 50% by voting power of the capital stock or other
equity securities of (A) the surviving or resulting entity or (B) if the
surviving or resulting entity is a wholly owned subsidiary of another entity
immediately following such merger or consolidation, the parent entity of such
surviving or resulting entity; (b) the sale, lease, transfer, exclusive license
or other disposition, in a single transaction or series of related transactions,
by the Company or a Company Subsidiary of all or substantially all the assets of
the Company and the Company Subsidiaries taken as a whole (except where such
sale, lease, transfer, exclusive license or other disposition is to a wholly
owned Company Subsidiary); or (c) the sale or transfer, in a single transaction
or series of related transactions, by the members of the Company of more than
50% by voting power of the then-outstanding units of the Company to any person
or entity or group of affiliated persons or entities.

<PAGE>

            "Company Subsidiary" means any corporation, partnership, trust,
limited liability company or other non-corporate business enterprise in which
the Company (or another Company Subsidiary) holds stock or other ownership
interests representing (a) more than 50% of the voting power of all outstanding
stock or ownership interests of such entity or (b) the right to receive more
than 50% of the net assets of such entity available for distribution to the
holders of outstanding stock or ownership interests upon a liquidation or
dissolution of such entity.

            "Exchange Act" means the Securities Exchange Act of 1934, as
amended, or any successor federal statute, and the rules and regulations of the
Commission issued under such Act, as they each may, from time to time, be in
effect.

            "Funding Default" has the meaning ascribed thereto in the Securities
Purchase Agreement.

            "Founding Members" means George L. Anstadt, George W. Anstadt, Mark
P. Anstadt, Jeffrey L. Helfer, Stuart G. MacDonald and BioMed Solutions, LLC.

            "Indemnified Party" means a party entitled to indemnification
pursuant to Section 2.4.

            "Indemnifying Party" means a party obligated to provide
indemnification pursuant to Section 2.4.

            "Member" has the meaning ascribed to it in the introductory
paragraph hereto.

            "Prospectus" means the prospectus included in any Registration
Statement, as amended or supplemented by an amendment or prospectus supplement,
including post-effective amendments, and all material incorporated by reference
or deemed to be incorporated by reference in such Prospectus.

            "Purchaser" has the meaning ascribed to it in the introductory
paragraph hereto.

            "Purchaser Common Stock" means the common stock, $0.005 par value
per share, of the Purchaser.

            "Registrable Shares" means (a) the shares of Purchaser Common Stock
issued by the Purchaser pursuant to the Securities Purchase Agreement and (b)
any other shares of Purchaser Common Stock issued in respect of such shares
(because of stock splits, stock dividends, reclassifications, recapitalizations
or similar events); provided, however, that shares of Purchaser Common Stock
which are Registrable Shares shall cease to be Registrable Shares (i) upon any
sale pursuant to a Registration Statement, (ii) when such shares are eligible
for resale pursuant to Rule 144(k) under the Securities Act, or (iii) when such
shares may be sold in a single transaction pursuant to Rule 144(e) under the
Securities Act.

                                      -2-
<PAGE>

            "Registration Expenses" means all expenses incurred by the Purchaser
in complying with the provisions of Section 2, including, without limitation,
all registration and filing fees, exchange listing fees, printing expenses, fees
and expenses of counsel for the Purchaser and the fees and expenses of one
counsel selected by the Selling Stockholders to represent the Selling
Stockholders, state Blue Sky fees and expenses, and the expense of any special
audits incident to or required by any such registration, but excluding
underwriting discounts, selling commissions and the fees and expenses of any
Selling Stockholder's own counsel (other than the counsel selected to represent
all Selling Stockholders).

            "Registration Statement" means a registration statement filed by the
Company with the Commission for a public offering and sale of securities of the
Company (other than a registration statement on Form S-8 or Form S-4, or their
successors, or any other form for a similar limited purpose, or any registration
statement covering only securities proposed to be issued in exchange for
securities or assets of another corporation).

            "Securities Act" means the Securities Act of 1933, as amended, or
any successor federal statute, and the rules and regulations of the Commission
issued under such Act, as they each may, from time to time, be in effect.

            "Securities Purchase Agreement" has the meaning ascribed to it in
the recitals hereto.

            "Selling Stockholder" means the Company and/or the Members owning
Registrable Shares included in a Registration Statement.

      2. Registration Rights.

            2.1 Registration.

                  (a) By the later of (i) February 1, 2006, or (ii) 10 business
days after the declaration of effectiveness of the Purchaser's currently filed
registration statement (no. 333-128774), the Purchaser shall file a new
Registration Statement on Form S-3 (or such similar form) with the Commission
covering shares of Purchaser Common Stock held by the Company at that time.

                  (b) The Purchaser shall use its commercially reasonable
efforts to have the Registration Statement declared effective as soon as
reasonably practicable after the filing of such Registration Statement.

                  (c) Notwithstanding the foregoing, the Purchaser shall not be
required, pursuant to this Section 2.1, to include any Registrable Shares in a
Registration Statement if such Registrable Shares can then be sold in a single
transaction pursuant to Rule 144 under the Securities Act.

                                      -3-
<PAGE>

                  (d) Notwithstanding anything herein to the contrary, the
Company shall have the right to assign its rights under Section 2 of this
Agreement to any member of the Company to whom the Company distributes any
Registrable Shares pursuant to the terms of the Lock-Up Agreement (as defined in
the Securities Purchase Agreement) and in accordance with all applicable federal
and state securities laws.

      2.2 Registration Procedures.

                  (a) If and whenever the Purchaser is required by the
provisions of this Agreement to use its reasonable efforts to effect the
registration of any Registrable Shares under the Securities Act, the Purchaser
shall:

                        (i) file with the Commission a Registration Statement
with respect to such Registrable Shares and use its reasonable efforts to cause
that Registration Statement to become effective as soon as possible;

                        (ii) as expeditiously as possible prepare and file with
the Commission any amendments and supplements to the Registration Statement and
the prospectus included in the Registration Statement as may be necessary to
comply with the provisions of the Securities Act (including the anti-fraud
provisions thereof) and to keep the Registration Statement effective for a
period of time from the effective date and until the date upon which all such
Registrable Shares are no longer deemed to be Registrable Shares;

                        (iii) as expeditiously as possible furnish to each
Selling Stockholder such reasonable numbers of copies of the Prospectus,
including any preliminary Prospectus, in conformity with the requirements of the
Securities Act, and such other documents as such Selling Stockholder may
reasonably request in order to facilitate the public sale or other disposition
of the Registrable Shares owned by such Selling Stockholder;

                        (iv) as expeditiously as possible use its reasonable
efforts to register or qualify the Registrable Shares covered by the
Registration Statement under the securities or Blue Sky laws of such states as
the Selling Stockholders shall reasonably request, and do any and all other acts
and things that may be necessary or desirable to enable the Selling Stockholders
to consummate the public sale or other disposition in such states of the
Registrable Shares owned by the Selling Stockholders; provided, however, that
the Purchaser shall not be required in connection with this paragraph (iv) to
qualify as a foreign corporation or to execute a general consent to service of
process in any jurisdiction or to amend its Certificate of Incorporation or
By-laws in a manner that the Board of Directors of the Purchaser determines is
inadvisable;

                        (v) as expeditiously as possible, cause all such
Registrable Shares to be listed on each securities exchange or automated
quotation system on which similar securities issued by the Purchaser are then
listed;

                        (vi) promptly provide a transfer agent and registrar for
all such Registrable Shares not later than the effective date of such
Registration Statement;

                                      -4-
<PAGE>

                        (vii) promptly make available for inspection by the
Selling Stockholders, any managing underwriter participating in any disposition
pursuant to such Registration Statement, and any attorney or accountant or other
agent retained by any such underwriter or selected by the Selling Stockholders,
all financial and other records, pertinent corporate documents and properties of
the Purchaser and cause the Purchaser's officers, directors, employees and
independent accountants to supply all information reasonably requested by any
such seller, underwriter, attorney, accountant or agent in connection with such
Registration Statement;

                        (viii) notify each Selling Stockholder, promptly after
it shall receive notice thereof, of the time when such Registration Statement
has become effective or a supplement to any Prospectus forming a part of such
Registration Statement has been filed; and

                        (ix) as expeditiously as possible following the
effectiveness of such Registration Statement, notify each seller of such
Registrable Shares of any request by the Commission for the amending or
supplementing of such Registration Statement or Prospectus.

                  (b) If the Purchaser has delivered a Prospectus to the Selling
Stockholders and after having done so the Prospectus is amended to comply with
the requirements of the Securities Act, the Purchaser shall promptly notify the
Selling Stockholders and, if requested, the Selling Stockholders shall
immediately cease making offers of Registrable Shares and return all
Prospectuses to the Purchaser. The Purchaser shall promptly provide the Selling
Stockholders with revised Prospectuses and, following receipt of the revised
Prospectuses, the Selling Stockholders shall be free to resume making offers of
the Registrable Shares.

                  (c) In the event that, in the reasonable judgment of the
Purchaser, it is advisable to suspend use of a Prospectus included in a
Registration Statement due to pending material developments or other events that
have not yet been publicly disclosed and as to which the Purchaser reasonably
believes public disclosure would be detrimental to the Purchaser, the Purchaser
shall notify all Selling Stockholders to such effect, and, upon receipt of such
notice, each such Selling Stockholder shall immediately discontinue any sales of
Registrable Shares pursuant to such Registration Statement until such Selling
Stockholder has received copies of a supplemented or amended Prospectus or until
such Selling Stockholder is advised in writing by the Purchaser that the then
current Prospectus may be used and has received copies of any additional or
supplemental filings that are incorporated or deemed incorporated by reference
in such Prospectus. Notwithstanding anything to the contrary herein, the
Purchaser shall not exercise its rights under this Section 2.2(c) to suspend
sales of Registrable Shares for a period in excess of 30 days consecutively or
60 days in any 365-day period.

            2.3 Allocation of Expenses. The Purchaser will pay all Registration
Expenses for all registrations under this Agreement.

                                      -5-
<PAGE>

            2.4 Indemnification and Contribution.

                  (a) In the event of any registration of any of the Registrable
Shares under the Securities Act pursuant to this Agreement, the Purchaser will
indemnify and hold harmless each Selling Stockholder, each underwriter of such
Registrable Shares, and each other person, if any, who controls such Selling
Stockholder or underwriter within the meaning of the Securities Act or the
Exchange Act against any losses, claims, damages or liabilities, joint or
several, to which such Selling Stockholder, underwriter or controlling person
may become subject under the Securities Act, the Exchange Act, state securities
or Blue Sky laws or otherwise, insofar as such losses, claims, damages or
liabilities (or actions in respect thereof) arise out of or are based upon (i)
any untrue statement or alleged untrue statement of any material fact contained
in any Registration Statement under which such Registrable Shares were
registered under the Securities Act, any preliminary prospectus or final
prospectus contained in the Registration Statement, or any amendment or
supplement to such Registration Statement, (ii) the omission or alleged omission
to state a material fact required to be stated therein or necessary to make the
statements therein not misleading, or (iii) any violation or alleged violation
by the Purchaser of the Securities Act, the Exchange Act, any state securities
law or any rule or regulation promulgated under the Securities Act, the Exchange
Act or any state securities law in connection with the Registration Statement or
the offering contemplated thereby; and the Purchaser will reimburse such Selling
Stockholder, underwriter and each such controlling person for any legal or any
other expenses reasonably incurred by such Selling Stockholder, underwriter or
controlling person in connection with investigating or defending any such loss,
claim, damage, liability or action; provided, however, that the Purchaser will
not be liable in any such case to the extent that any such loss, claim, damage
or liability arises out of or is based upon any untrue statement or omission
made in such Registration Statement, preliminary prospectus or prospectus, or
any such amendment or supplement, in reliance upon and in conformity with
information furnished to the Purchaser, in writing, by or on behalf of such
Selling Stockholder, underwriter or controlling person specifically for use in
the preparation thereof.

                  (b) In the event of any registration of any of the Registrable
Shares under the Securities Act pursuant to this Agreement, each Selling
Stockholder, severally and not jointly, will indemnify and hold harmless the
Purchaser, each of its directors and officers and each underwriter (if any) and
each person, if any, who controls the Purchaser or any such underwriter within
the meaning of the Securities Act or the Exchange Act, against any losses,
claims, damages or liabilities, joint or several, to which the Purchaser, such
directors and officers, underwriter or controlling person may become subject
under the Securities Act, Exchange Act, state securities or Blue Sky laws or
otherwise, insofar as such losses, claims, damages or liabilities (or actions in
respect thereof) arise out of or are based upon (i) any untrue statement or
alleged untrue statement of a material fact contained in any Registration
Statement under which such Registrable Shares were registered under the
Securities Act, any preliminary prospectus or final prospectus contained in the
Registration Statement, or any amendment or supplement to the Registration
Statement, or (ii) any omission or alleged omission to state a material fact
required to be stated therein or necessary to make the statements therein not
misleading, if and to the extent (and only to the extent) that the statement or
omission was made in reliance upon and in conformity with information relating
to such Selling Stockholder furnished in writing to the Purchaser by such
Selling Stockholder specifically for use in connection with the preparation of
such Registration Statement, prospectus, amendment or supplement; provided,
however, that the obligations of a Selling Stockholder hereunder shall be
limited to an amount equal to the net proceeds received by such Selling
Stockholder in exchange for the Registrable Shares sold by such Selling
Stockholder in connection with such registration.

                                      -6-
<PAGE>

                  (c) Each Indemnified Party shall give notice to the
Indemnifying Party promptly after such Indemnified Party has actual knowledge of
any claim as to which indemnity may be sought, and shall permit the Indemnifying
Party to assume the defense of any such claim or any litigation resulting
therefrom; provided, that counsel for the Indemnifying Party, who shall conduct
the defense of such claim or litigation, shall be approved by the Indemnified
Party (whose approval shall not be unreasonably withheld, conditioned or
delayed); and, provided, further, that the failure of any Indemnified Party to
give notice as provided herein shall not relieve the Indemnifying Party of its
obligations under this Section 2.4 except to the extent that the Indemnifying
Party is materially adversely affected by such failure. The Indemnified Party
may participate in such defense at such party's expense; provided, however, that
the Indemnifying Party shall pay such expense if the Indemnified Party
reasonably concludes that representation of such Indemnified Party by the
counsel retained by the Indemnifying Party would be inappropriate due to actual
or potential differing interests between the Indemnified Party and any other
party represented by such counsel in such proceeding; provided further that in
no event shall the Indemnifying Party be required to pay the expenses of more
than one law firm per jurisdiction as counsel for the Indemnified Party. The
Indemnifying Party also shall be responsible for the expenses of such defense if
the Indemnifying Party does not elect to assume such defense. No Indemnifying
Party, in the defense of any such claim or litigation shall, except with the
consent of each Indemnified Party, consent to entry of any judgment or enter
into any settlement which does not include as an unconditional term thereof the
giving by the claimant or plaintiff to such Indemnified Party of a release from
all liability in respect of such claim or litigation, and no Indemnified Party
shall consent to entry of any judgment or settle such claim or litigation
without the prior written consent of the Indemnifying Party, which consent shall
not be unreasonably withheld, conditioned or delayed.

                  (d) In order to provide for just and equitable contribution in
circumstances in which the indemnification provided for in this Section 2.4 is
due in accordance with its terms but for any reason is held to be unavailable to
an Indemnified Party in respect of any losses, claims, damages and liabilities
referred to herein, then the Indemnifying Party shall, in lieu of indemnifying
such Indemnified Party, contribute to the amount paid or payable by such
Indemnified Party as a result of such losses, claims, damages or liabilities to
which such party may be subject in such proportion as is appropriate to reflect
the relative fault of the Purchaser on the one hand and the Selling Stockholders
on the other in connection with the statements or omissions which resulted in
such losses, claims, damages or liabilities, as well as any other relevant
equitable considerations. The relative fault of the Purchaser and the Selling
Stockholders shall be determined by reference to, among other things, whether
the untrue or alleged untrue statement of material fact related to information
supplied by the Purchaser or the Selling Stockholders and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such statement or omission. The Purchaser and the Selling Stockholders agree
that it would not be just and equitable if contribution pursuant to this Section
2.4(d) were determined by pro rata allocation or by any other method of
allocation which does not take account of the equitable considerations referred
to above. Notwithstanding the provisions of this Section 2.4(d), (i) in no case
shall any one Selling Stockholder be liable or responsible for any amount in
excess of the net proceeds received by such Selling Stockholder from the
offering of Registrable Shares and (ii) the Purchaser shall be liable and
responsible for any amount in excess of such proceeds; provided, however, that
no person guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Securities Act) shall be entitled to contribution from any person
who was not guilty of such fraudulent misrepresentation. Any party entitled to
contribution will, promptly after receipt of notice of commencement of any
action, suit or proceeding against such party in respect of which a claim for
contribution may be made against another party or parties under this Section
2.4(d), notify such party or parties from whom contribution may be sought, but
the omission so to notify such party or parties from whom contribution may be
sought shall not relieve such party from any other obligation it or they may
have thereunder or otherwise under this Section 2.4(d). No party shall be liable
for contribution with respect to any action, suit, proceeding or claim settled
without its prior written consent, which consent shall not be unreasonably
withheld, conditioned or delayed.

                                      -7-
<PAGE>

                  (e) The rights and obligations of the Purchaser and the
Selling Stockholders under this Section 2.4 shall survive the termination of
this Agreement.

            2.5 Information by Holder. Each holder of Registrable Shares
included in any registration shall furnish to the Purchaser such information
regarding such holder and the distribution proposed by such holder as the
Purchaser may reasonably request in writing and as shall be required in
connection with any registration, qualification or compliance referred to in
this Agreement.

            2.6 Confidentiality of Notices. The Company and/or any Member
receiving any written notice from the Purchaser regarding the Purchaser's plans
to file a Registration Statement shall treat such notice confidentially and
shall not disclose such information to any person other than as necessary to
exercise its rights under this Agreement.

            2.7 Termination. Subject to the Company's rights of assignment
pursuant to Section 2.1(d) above, all of the Purchaser's obligations to register
Registrable Shares under Section 2.1 shall terminate upon the date on which the
Company and the Members no longer hold any Registrable Shares.

      3. Covenants.

            3.1 Negative Covenants. So long as the Purchaser remains a holder of
the Company's Class A Units, subject to the termination provisions of Section
3.12 below, the Company shall not, without prior written consent of the
Purchaser:

                  (a) amend or repeal any provision of, or add any provision to,
the Company's Certificate of Formation or Operating Agreement (whether by
merger, consolidation or otherwise) if such action would adversely affect the
rights, preference or privileges of the Class A Units held by the Purchaser,
including, but not limited to, the authorization of additional Class A Units;

                  (b) authorize, designate or issue any class of units in
addition to the units currently outstanding as of the date of this Agreement
(other than pursuant to an option plan or other equity incentive plan approved
by the Board of Directors of the Company, including the approval of one of the
Purchaser's designated Board members);

                  (c) declare or pay any dividend or make any distribution
(other than dividends on Class A Units payable solely in Class A Units) or
permit any Company Subsidiary to declare or pay any dividend or make any
distribution (other than dividends or distributions payable solely to the
Company); provided, however, that the Founding Members may declare or pay
dividends and make distributions (including distributions of Registrable Shares)
once the Company achieves profitability and positive cash flow from operations;

                                      -8-
<PAGE>

                  (d) merge with or into or consolidate, or permit any Company
Subsidiary to merge with or into or consolidate, with any other entity (other
than a merger or consolidation solely between the Company and one or more
Company Subsidiaries or among Company Subsidiaries);

                  (e) sell, lease, or otherwise dispose of all or substantially
all of the Company's properties or assets not otherwise in the ordinary course
of business;

                  (f) liquidate, dissolve or effect a recapitalization or
reorganization;

                  (g) apply any of its assets to the redemption, retirement,
purchase or acquisition, directly or indirectly (including through a Company
Subsidiary), or otherwise, of any units (other than repurchases of units (i) at
cost upon termination of employment or service, or (ii) pursuant to the right of
first refusal provision contained in Section 3.11 below that is unanimously
approved by the consent or vote of all of the Board members of the Company,
except for the Board members who may be selling such units pursuant to Section
3.11, or in the case of the Purchaser, any of its Board designees), or allocate
its current profits and losses or its accumulated profits and losses to its
members other than in a pro-rata manner based upon the members' pro-rata
ownership interest in the Company;

                  (h) enter into, or permit any Company Subsidiary to enter
into, any lines of business that is not primarily related to the business of the
Company as conducted or proposed to be conducted as of the date of this
Agreement, or exit any lines of business that are conducted or proposed to be
conducted by the Company as of the date of this Agreement;

                  (i) grant, or permit any Company Subsidiary to grant, an
exclusive license to any of the Company's or any such Company Subsidiary's
material intellectual property rights;

                  (j) permit any Company Subsidiary to issue any equity
securities other than issuances to the Company or another Company Subsidiary;

                  (k) acquire, directly or indirectly (including through a
Company Subsidiary), all or substantially all of the properties, assets or stock
of any other company or entity;

                  (l) incur any indebtedness, or permit any Company Subsidiary
to incur any indebtedness (other than indebtedness of Company Subsidiaries owed
to the Company), that, in each case, is either (i) outside the ordinary course
of business, (ii) outside the budget approved by the Purchaser set forth in
Section 3.4(a) below, or (iii) in excess of $50,000 in the aggregate per fiscal
year;

                                      -9-
<PAGE>

                  (m) disclose the source code for any software developed by the
Company (other than pursuant to a reasonable source code escrow in which the
Company is a party and is executed in connection with a license agreement that
is entered into by the Company in the ordinary course of business of the Company
and with a source code escrow provision that is usual and customary), or other
confidential information constituting, embodied in or pertaining to such
software, to any person or entity, except that a copy of such source code shall
be provided by the Company to the Purchaser and the Company shall deliver to the
Purchaser an update of such source code, on a quarterly basis, and the Purchaser
will take reasonable measures to prevent disclosure of such source code; or

                  (n) disclose any medical, scientific, clinical or regulatory
matters to any third party, or issue any press release, brochure or any other
public disclosure of such clinical or regulatory matters, without the consent of
the Purchaser, which consent shall not be unreasonably withheld, except as may
be required by law or regulatory process, in which event the Purchaser shall be
given an opportunity to review, in advance, the proposed disclosure; provided,
however, that so long as this Section 3.1(n) shall be applicable, then the
Purchaser shall not disclose any medical, scientific, clinical or regulatory
matters concerning the Company to any third party, or issue any press release,
brochure or any other public disclosure of such clinical or regulatory matters
concerning the Company (except for a non-material reference to the Company),
without the consent of the Company, which consent shall not be unreasonably
withheld, except as may be required by law, in which event the Company shall be
given an opportunity to review, in advance, the proposed disclosure.

            3.2 Affirmative Covenants. So long as the Purchaser remains a holder
of the Company's Class A Units, the Company covenants and agrees that it will
perform and observe the following covenants and provisions and will cause each
Company Subsidiary to perform and observe such of the following covenants and
provisions as are applicable to such Company Subsidiary:

                  (a) Payment of Taxes and Trade Debt. Pay and discharge all
taxes, assessments and governmental charges or levies imposed upon it or upon
its income or profits or business, or upon any properties belonging to it, prior
to the date on which penalties attach thereto, and all lawful claims, which, if
unpaid, might become a lien or charge upon any properties of the Company or a
Company Subsidiary, other than those which are being contested in good faith if
the Company shall have set aside on its books and shall have provided, in
accordance with generally accepted accounting principles, adequate reserves with
respect thereto; and pay in conformity with customary trade terms, all lease
obligations, all trade debt, and all other indebtedness incident to its
operations, except such as are being contested in good faith if the Company
shall have set aside on its books and shall have provided, in accordance with
generally accepted accounting principles, appropriate reserves with respect
thereto.

                  (b) Maintenance of Insurance. Maintain with responsible and
reputable insurance companies or associations, insurance in such amounts and
covering such risks as the Company reasonably deems advisable.

                  (c) Preservation of Corporate Existence. Preserve and maintain
its corporate existence, rights, franchises and privileges in the jurisdiction
of its organization, and qualify and remain qualified as a foreign limited
liability company in each jurisdiction in which such qualification is required,
unless the failure to so qualify does not and will not have a material and
adverse effect on the business, operations or financial condition of the
Company; and preserve and maintain all material licenses and other rights to use
patents, processes, licenses, trademarks, trade names, inventions, intellectual
property rights or copyrights owned or possessed by it as are reasonably
necessary or advisable for it to conduct its business.

                                      -10-
<PAGE>

                  (d) Compliance with Laws. Comply with all applicable laws,
rules, regulations and orders of any governmental authority, noncompliance with
which could materially adversely affect its business or condition, financial or
otherwise, except non-compliance being contested in good faith through
appropriate proceedings so long as the Company shall have set up and funded
sufficient reserves, if any, required under generally accepted accounting
principles with respect to such items.

                  (e) Keeping of Records and Books of Account. Keep adequate
records and books of account, in which complete entries will be made in
accordance with generally accepted accounting principles consistently applied,
reflecting all financial transactions of the Company, and in which, for each
fiscal year, all proper reserves for depreciation, depletion, obsolescence,
amortization, taxes, bad debts and other purposes in connection within its
business shall be made.

                  (f) Maintenance of Properties, etc. Maintain and preserve all
of its properties that the Company reasonably deems material in the proper
conduct of its business in good repair, working order and condition, ordinary
wear and tear excepted, and from time to time make all necessary and proper
repairs, renewals, replacements, additions and improvements thereto; and comply
with the provisions of all material leases to which it is a party or under which
it occupies property so as to prevent any material loss or forfeiture thereof or
thereunder.

            3.3 Board Representation and Observation.

                  (a) Upon the execution of this Agreement, the Purchaser shall
have the right to designate three (3) members to the Company's Board of
Directors. Subject to the rights of the Founding Members set forth in Section
3.3(b), at such time as the Purchaser owns at least a majority of the
outstanding voting equity interests of the Company, the Purchaser shall have the
option to designate four (4) members to the Company's Board of Directors,
constituting a majority of and control the Company's Board of Directors. The
Board of Directors shall at all times consist of not more than 7 members.

                  (b) From the date hereof and until the Purchaser owns at least
a majority of the outstanding voting securities of the Company, a majority of
the Founding Members shall have the right to appoint four (4) members to the
Company's Board of Directors. From and after the date on which Purchaser holds
in excess of 50% of the outstanding voting securities of the Company (the
"Control Trigger"), a majority of the Founding Members shall have the right to
designate three (3) members to the Company's Board of Directors.

                  (c) Jeffrey L. Helfer, or such other Company representative
acceptable to the Purchaser, shall have the right to observe those portions of
all Purchaser's Board of Directors meetings that pertain to Company matters. The
Board of Directors of the Purchaser shall provide the Company with notice and
all information with respect to such meetings as is delivered to the directors
of the Purchaser.

                                      -11-
<PAGE>

            3.4 Other Information.

                  (a) Pursuant to the Securities Purchase Agreement, the Company
shall have prepared, and the Company, the Purchaser and the Purchaser's Board of
Directors shall have approved, (i) a detailed product development plan, (ii) a
clinical and regulatory plan, (iii) a timetable and (iv) a detailed monthly
budget for the $12,000,000 of potential funding by the Purchaser. The Company
shall prepare and provide to the Purchaser an update to such plans and budgets,
if any, each quarter.

                  (b) The Company shall prepare and provide to the Purchaser a
monthly letter informing the Purchaser of the Company's progress. The Company
will also inform the Purchaser, promptly, of all material developments relating
to the Company's operations or financial condition.

            3.5 Licensing and/or Strategic Alliance Relationships.

                  (a) Provided that a Non-Election or a Funding Default shall
not have occurred, the Purchaser shall have the right, at all times, to select
and enter into licensing and/or strategic alliance relationships on behalf of
the Company. The Purchaser shall have prepared a list of acceptable
licensees/partners for which the Purchaser's approval will not be required, as
set forth on Exhibit B hereto. In addition to the foregoing, the Company shall
retain the right to approve certain licensees and/or strategic alliance partners
(licensees/partners), which may be selected by the Purchaser. The Company shall
have prepared a list of licensees/partners for which the Company's approval will
be required, including the basis for requiring the Company's prior approval, as
set forth on Exhibit C hereto. In the event the Purchaser desires to enter into
a license agreement or a strategic alliance relationship with a licensee/partner
that will require the approval of the Company, the Purchaser shall prepare a
written memorandum identifying, in detail, the basis for a transaction with such
licensee/partner. The Company shall not unreasonably withhold its approval for
such a transaction. Notwithstanding the foregoing, the Purchaser agrees that any
licensing and/or strategic alliance relationship, or Sale Transaction (as
defined in Section 3.13 below) that is consummated in accordance with the
provisions of Section 3.13 below, negotiated and entered into on behalf of the
Company shall contain development and active commercialization milestones (in
appropriate markets) pertaining to the Company's products, technology and
intellectual property, such that if the milestones are not met, the underlying
license and other rights reverts back to the Company or its successors. In
addition to the foregoing, the Purchaser agrees that it shall not enter into a
licensing and/or strategic alliance relationship on behalf of the Company within
10 months of the date of this Agreement without the consent of the Founding
Members who hold a majority of the outstanding Units then held by all of the
Founding Members.

                  (b) Upon a Non-Election or a Funding Default, the Founding
Members shall have the right to select and enter into licensing and/or strategic
alliance relationships, which relationships shall be brought to the attention of
the Purchaser, and the Purchaser shall be consulted about the relationship prior
to entering into such relationship; provided, however, the approval of the
Purchaser shall not be required. Notwithstanding the foregoing, following a
Control Trigger, the Purchaser's designees that are members of the Company's
Board of Directors shall retain the right to approve such licensing and/or
strategic alliance relationships in their capacity as Board members of the
Company, even upon or after a Non-Election or Funding Default.

                                      -12-
<PAGE>

            3.6 Material Changes and Litigation. The Company shall promptly
notify the Purchaser of any material adverse change in the business, assets or
financial condition of the Company and of any material litigation or
governmental proceeding or investigation brought or, to the best of the
Company's knowledge, threatened against the Company, or against any officer,
director, key employee or principal equity holder of the Company which, if
adversely determined, would have a material adverse effect on the business,
assets or financial condition of the Company.

            3.7 Agreements with Employees; Options. The Company shall require
(i) all persons now or hereafter employed by the Company and (ii) all
independent contractors utilized by the Company who have access to confidential
or proprietary information of the Company to enter into non-disclosure and
assignment of inventions agreements and shall require all persons now or
hereafter employed by the Company to enter into non-competition and
non-solicitation agreements, in such form as may be approved by the Board of
Directors of the Company, including the manager appointed by the Purchaser.

            3.8 Board of Directors.

                  (a) The Company shall promptly reimburse in full each member
of the Board of Directors of the Company who is not an employee of the Company
for all of his or her reasonable out-of-pocket expenses incurred in attending
each meeting of the Board of Directors of the Company or any committee thereof.

                  (b) The Board of Directors shall meet on at least a monthly
basis, unless otherwise agreed by a majority of the members of the Board of
Directors who are not employees of the Company or a Company Subsidiary.

            3.9 Related Party Transactions.

                  (a) The Company shall not enter into any agreement with any
member, officer, managing member or member of the Board of Directors of the
Company, or any "affiliate" of such persons (as such term is defined in the
rules and regulations promulgated under the Securities Act), including without
limitation any agreement or other arrangement providing for the furnishing of
services by, rental of real or personal property from, or otherwise requiring
payments to, any such person or entity, without the consent of at least a
majority of the members of the Company's Board of Directors having no interest
in such agreement or arrangement.

                  (b) The approval of the Board of Directors of the Company and
a majority of the members of the Board of Directors who are not employees of the
Company or a Company Subsidiary shall be required to (i) establish or increase
the compensation of executive officers of the Company or (ii) grant unit options
to any officer of the Company.

                                      -13-
<PAGE>

            3.10 International Investment and Trade in Services Survey Act. The
Company shall use its best efforts to file on a timely basis all reports
required to be filed by it under 22 U.S.C. Section 3104, or any similar statute,
relating to a foreign person's direct or indirect investment in the Company.

            3.11 Right of First Refusal.

            (a) No Member or the Purchaser (collectively, the "Unitholders" and
individually, a "Unitholder") may transfer any units or any interest in the
Company (collectively referred to herein as "Membership Interests") held by him,
her or it without first complying with this section; provided, however, that
such Unitholder shall be permitted to transfer a Membership Interest to his or
her spouse, children, parents, uncles, aunts, siblings, grandchildren and any
other relatives approved by the Board of Directors (collectively, "Approved
Relatives") or to a trust established solely for the benefit of the Approved
Relatives, or dispose of them under his or her will, or to any other Affiliate
as such term is defined under the Securities Act; provided, that, the transferee
delivers to the Company and the Unitholders a written instrument agreeing to be
bound by the terms of this Agreement as if it were a Unitholder.

                  (b) If any Unitholder desires to transfer any of his, her or
its Membership Interest in any transaction, such Unitholder (the "Selling
Member") shall first deliver written notice of his, her or its desire to do so
(the "Notice") to the Company and each of the other Unitholders, in the manner
prescribed in this Agreement. The Notice must specify: (a) the name and address
of the party to which the Selling Member proposes to sell or otherwise dispose
of the Membership Interest (the "Offeror"), (b) the number of Membership
Interests the Selling Member proposes to sell or otherwise dispose of (the
"Offered Membership Interests"), (c) the consideration per Membership Interest
to be delivered to the Selling Member for the proposed sale, transfer or
disposition, and (d) all other material terms and conditions of the proposed
transaction.

                  (c) The Company shall have the first option to purchase all or
any part of the Membership Interests for the consideration per share and on the
terms and conditions specified in the Notice. Such option shall be exercised by
delivery by the Company of written notice to the Selling Member (the "Company
Notice") within 15 days after receipt of the Notice from the Selling Member. The
Company shall deliver copies of such Company Notice to the Unitholders.

                  (d) The closing of the purchase of the Offered Membership
Interests shall take place at the offices of the Company no later than five days
after the date of the Company Notice. Neither the Company nor any of the
Unitholders shall have any right to purchase any of the Offered Membership
Interests hereunder unless the Company and/or the Unitholders exercise their
option or options to purchase all of the Offered Membership Interests.

                                      -14-
<PAGE>

                  (e) To the extent that the consideration proposed to be paid
by the Offeror for the Offered Membership Interests consists of property other
than cash or a promissory note, the consideration required to be paid by the
Company and/or the Unitholders exercising their options under this section may
consist of cash equal to the value of such property, as determined in good faith
by agreement of the Selling Member and the Company and/or the Unitholders
acquiring such Offered Membership Interests.

                  (f) In the event the Company does not exercise its option in
full within such time periods specified in this section with respect to all of
the Offered Membership Interests, the Company shall provide notice of such
decision (the "Non-Exercise Notice") and the Unitholders (other than the Selling
Member) shall have the option to purchase all (but not less than all) of the
number of Offered Membership Interests not purchased by the Company (the
"Remaining Membership Interests"), on a pro rata basis according to the
Membership Interests owned by such Unitholders, for the consideration per share
and on the terms and conditions specified in the Notice. Such option shall be
exercised by delivery by such Unitholder of written notice to the Selling Member
within 15 days after receipt of the Non-Exercise Notice. In the event options to
purchase have been exercised by the Unitholders with respect to some but not all
of the Remaining Membership Interests, those Unitholders who have exercised
their options within such 15-day period shall have an additional option, for a
period of five days next succeeding the expiration of such 15-day period, to
purchase all or any part of the balance of such Remaining Membership Interests
on the terms and conditions set forth in the Notice, which option shall be
exercised by the delivery of written notice to the Selling Member. In the event
there are two or more such Unitholders that choose to exercise the
last-mentioned option for a total number of Remaining Membership Interests in
excess of the number available, the Remaining Membership Interests available for
each such Unitholder's option shall be allocated to such Unitholder pro-rata
based on the Membership Interests owned by the Unitholders so electing.

                  (g) The closing of the purchase of the Remaining Membership
Interests shall take place no later than five days after the expiration of the
latest 15-day period specified in Section 3.11(f).

                  (h) Notwithstanding the foregoing, in the event the Company
and/or the Members do not purchase all of the Offered Membership Interests
within the time periods prescribed by this section, the Selling Member may sell
any or all of the Offered Membership Interests only upon the same terms set
forth in the Notice within 30 days after the expiration of the last 15-day
notice period. If such transaction is not consummated within such 30-day period,
then the Selling Member must again comply with this section.

                  (i) For purposes of this Section 3.11, in the event the
Selling Member is Purchaser, a majority of the Founding Members shall make the
determination for the Company regarding the Company's election to repurchase
pursuant to Section 3.11(c) and, notwithstanding anything to the contrary set
forth in this Section 3.11, the purchase price for such Membership Interests may
be paid by the Company by selling such number of shares of Purchaser Common
Stock equal to the purchase price for such Membership Interests divided by the
closing price per share of the Purchaser Common Stock.

                                      -15-
<PAGE>

            3.12 Co Sale Rights.

                  (a) If the Company and the Members do not exercise their
options to purchase all of the Offered Membership Interests within the periods
described in this Agreement (the "Option Period"), then all options of the
Company and the Members to purchase the Offered Membership Interests, whether
exercised or not, shall terminate, but each Member which has, pursuant to this
section, expressed a desire to sell Membership Interests in the transaction (a
"Participating Member"), shall be entitled to do so pursuant to this section.
The Company shall promptly, on expiration of the Option Period, notify the
Selling Members of the aggregate number of Membership Interests the
Participating Members wish to sell. The Selling Member shall use his or her best
efforts to interest the Offeror in purchasing, in addition to the Offered
Membership Interests, the Membership Interests the Participating Members wish to
sell. If the Offeror does not wish to purchase all of the Membership Interests
made available by the Selling Member and the Participating Members, then each
Participating Member and the Selling Member shall be entitled to sell, at the
price and on the terms and conditions set forth in the Notice (provided that the
price set forth in the Offer with respect to shares of Common Stock shall be
appropriately adjusted, if necessary, based on the conversion ratio of any
convertible securities to be sold), a portion of the Membership Interests being
sold to the Offeror, in the same proportion as such Selling Member or
Participating Member's ownership of Membership Interests bears to the aggregate
number of Membership Interests owned by the Selling Member and the Participating
members. The transaction contemplated by the Notice shall be consummated not
later than 60 days after the expiration of the Option Period and only for up to
the aggregate number of shares set forth in the Notice.

                  (b) If the Participating Members do not elect to sell the full
number of Membership Interests which they are entitled to sell pursuant to this
section, the Selling Member shall be entitled to sell to the Offeror, according
to the terms set forth in the Notice, that number of his or her own Membership
Interests which equals the difference between the number of Membership Interests
desired to be purchased by the Offeror and the number of Membership Interests
the Participating Members are entitled to sell pursuant to this section. If the
Selling Member wishes to Transfer any such Membership Interests at a price per
Unit which differs from that set forth in the Notice, upon terms different from
those previously offered to the Company and the Members, or more than 60 days
after the expiration of the Option Period, then, as a condition precedent to
such transaction, such Membership Interests must first be offered to the Company
and the Members on the same terms and conditions as given the Offeror, and in
accordance with the procedures and time periods set forth above.

                  (c) The proceeds of any sale made by the Selling Member
without compliance with the provisions of this section shall be deemed to be
held in constructive trust in such amount as would have been due the
Participating Members if the Selling Member had complied with this Agreement.

                                      -16-
<PAGE>

            3.13 Drag-Along Right. If (i) any person or entity offers to acquire
all or substantially all of the membership interests, stock, assets or business
of the Company, by merger, sale of assets or otherwise, and (ii) such
transaction is approved by the Board of Directors of the Company and (iii) the
Members holding units representing at least 51% of the voting power of the
Membership Interests then held by all Members consent in writing to such
transaction (including by means of a proxy or stockholder consent voting in
favor of such transaction), then each party to this Agreement shall be obligated
to (a) vote all of his, her or its Membership Interests in favor of such
transaction, to the extent any such vote is required for the consummation of
such transaction, (b) if applicable, sell, transfer or exchange all of his, her
or its Membership Interests in connection with such transaction on the same
terms as those consented to by such Members (with appropriate adjustment to
reflect the conversion of convertible securities and the preference and
priorities of any preferred securities), and (c) execute and deliver such
instruments of sale, transfer and exchange and take such other action, including
executing any purchase agreement, merger agreement, indemnity agreement, escrow
agreement or related documents, as may be reasonably required by the Company in
order to carry out the terms and provisions of this section. If a party to this
Agreement fails or refuses to vote or sell his, her or its Membership Interests
as required by, or votes his, her or its Membership Interests in contravention
of this section, then such party hereby grants to the President and Treasurer of
the Company an irrevocable proxy, coupled with an interest, to vote such
Membership Interests in accordance with this section, and hereby appoints the
President and Treasurer of the Company and each of them acting singly, his, her
or its attorney in fact, to sell, transfer or exchange such Membership Interests
in accordance with the terms of this section. At the closing of such
transaction, each of the parties to this Agreement shall deliver, against
receipt of the consideration payable in such transaction, certificates
representing the Membership Interests which such party holds of record or
beneficially, with all endorsements necessary for transfer. In the event that
any party fails or refuses to comply with the provisions of this section, the
Company, the Members and the purchaser in such transaction, at their option, may
elect to proceed with such transaction notwithstanding such failure or refusal
and, in such event and upon tender of the specified consideration to any such
party, the rights of any such party with respect to the Membership Interests of
such party shall cease.

            3.14 Termination of Covenants.

                  (a) Notwithstanding anything in this Agreement to the
contrary, upon a Non-Election event or a Funding Default, the covenants set
forth in Sections 3.1(b), 3.1(d), 3.1(e), 3.1(f), 3.1(g), 3.1(h), 3.1(i),
3.1(j), 3.1(k), 3.1(l), 3.1(m), 3.1(n), 3.3 and 3.4(a) shall terminate and shall
thereafter be null and void. Upon exercise by the Purchaser of the Acceleration
Option (as defined in the Securities Purchase Agreement), the Founding Members
shall have the right to declare and pay dividends and make any distributions,
only up to an amount equal to the Acceleration Option Payment (as defined in the
Securities Purchase Agreement).

                  (b) All covenants contained in this Section 3 shall terminate
after the closing of a Company Sale; provided, however, for the purposes of
clarity, such covenants shall apply to a Company Sale, where applicable.

            4. General.

            4.1 Severability. The invalidity or unenforceability of any
provision of this Agreement shall not affect the validity or enforceability of
any other provision of this Agreement.

                                      -17-
<PAGE>

            4.2 Specific Performance. In addition to any and all other remedies
that may be available at law in the event of any breach of this Agreement, the
Purchaser shall be entitled to specific performance of the agreements and
obligations of the Company hereunder and to such other injunctive or other
equitable relief as may be granted by a court of competent jurisdiction.

            4.3 Governing Law. This Agreement shall be governed by and construed
in accordance with the Business Corporation Law of the State of New York, as to
matters within the scope thereof, and the internal laws of the State of New York
(without reference to the conflicts of law provisions thereof), as to all other
matters.

            4.4 Notices. All notices, requests, consents and other
communications under this Agreement shall be in writing and shall be deemed
delivered (i) three business days after being sent by registered or certified
mail, return receipt requested, postage prepaid or (ii) one business day after
being sent via a reputable nationwide overnight courier service guaranteeing
next business day delivery, in each case to the intended recipient as set forth
below:

      If to the Company, at 150 Lucius Gordon Drive, Suite 218, West Henrietta,
New York 14586, Attention: President, or at such other address as may have been
furnished in writing by the Company to the other parties hereto, with a copy to
Boylan, Brown, Code, Vigdor and Wilson, LLP, 2400 Chase Square, Rochester, NY
14604, Attention: Robert Brown, Esq.; or

      If to the Members, at the address for such Member set forth on Exhibit
___; or

      If to a Purchaser, at 150 Lucius Gordon Drive, Suite 215, West Henrietta,
New York 14586, or at such other address as may have been furnished in writing
by such Purchaser to the other parties hereto, with a copy to Morgan, Lewis &
Bockius LLP, 502 Carnegie Center, Princeton, New Jersey 08540, Attention: David
J. Sorin, Esq.

      Any party may give any notice, request, consent or other communication
under this Agreement using any other means (including, without limitation,
personal delivery, messenger service, telecopy, first class mail or electronic
mail), but no such notice, request, consent or other communication shall be
deemed to have been duly given unless and until it is actually received by the
party for whom it is intended. Any party may change the address to which
notices, requests, consents or other communications hereunder are to be
delivered by giving the other parties notice in the manner set forth in this
Section 4.4.

            4.5 Complete Agreement. This Agreement constitutes the entire
agreement and understanding of the parties hereto with respect to the subject
matter hereof and supersedes all prior agreements and understandings relating to
such subject matter.

            4.6 Amendments; Waivers and Assignments. This Agreement may be
amended or terminated and the observance of any term of this Agreement may be
waived with respect to all parties to this Agreement (either generally or in a
particular instance and either retroactively or prospectively), with the written
consent of the Company, the Purchaser and the Members holding shares of Class A
Units representing at least 67% of the voting power of all Class A Units then
held by the Members; provided, however, that the provisions contained in the
last two sentences of Section 3.5(a) of this Agreement may not be amended,
terminated or waived without the written consent of (i) the Company, (ii) the
Purchaser, and (iii) at least five out of the six Founding Members.
Notwithstanding the foregoing, (a) this Agreement may not be amended or
terminated and the observance of any term hereunder may not be waived with
respect to any Member without the written consent of such Member unless such
amendment, termination or waiver applies to all Members in the same fashion. The
Company shall give prompt written notice of any amendment or termination hereof
or waiver hereunder to any party hereto that did not consent in writing to such
amendment, termination or waiver. Any amendment, termination or waiver effected
in accordance with this Section 4.6 shall be binding on all parties hereto, even
if they do not execute such consent. No waivers of or exceptions to any term,
condition or provision of this Agreement, in any one or more instances, shall be
deemed to be, or construed as, a further or continuing waiver of any such term,
condition or provision. Except as may otherwise be set forth herein, the
assignment provisions set forth in Section 8.1 of the Securities Purchase
Agreement shall apply to this Agreement as well.

                                      -18-
<PAGE>

            4.7 Pronouns. Whenever the context may require, any pronouns used in
this Agreement shall include the corresponding masculine, feminine or neuter
forms, and the singular form of nouns and pronouns shall include the plural, and
vice versa.

            4.8 Counterparts; Facsimile Signatures. This Agreement may be
executed in any number of counterparts, each of which shall be deemed to be an
original, and all of which together shall constitute one and the same document.
This Agreement may be executed by facsimile signatures.

            4.9 Section Headings and References. The section headings are for
the convenience of the parties and in no way alter, modify, amend, limit or
restrict the contractual obligations of the parties. Any reference in this
agreement to a particular section or subsection shall refer to a section or
subsection of this Agreement, unless specified otherwise.

                                      -19-
<PAGE>

         Executed as of the date first written above.

                                        COMPANY:

                                        MYOTECH, LLC

                                        By: /s/ Jeffrey L. Helfer
                                            ------------------------------------

                                        Name: Jeffrey L. Helfer
                                              ----------------------------------

                                        Title: President & CEO
                                               ---------------------------------

                                        PURCHASER:

                                        BIOPHAN TECHNOLOGIES, INC.

                                        By: /s/ Robert J. Wood
                                            ------------------------------------

                                        Name: Robert J. Wood
                                              ----------------------------------

                                        Title: VP and CFO
                                               ---------------------------------

                                        MEMBERS

                                        George L. Anstadt

                                        Address:
                                                --------------------------------

                                        /s/ George L. Anstadt
                                        ----------------------------------------

                                        George W. Anstadt

                                        Address:
                                                --------------------------------

                                        /s/ George W. Anstadt
                                        ----------------------------------------

                       [Rights Agreement Signature Page]

<PAGE>

                                        Mark P. Anstadt

                                        Address:
                                                --------------------------------

                                        /s/ Mark P. Anstadt
                                        ----------------------------------------

                                        Jeffrey L. Helfer

                                        Address:
                                                --------------------------------

                                        /s/ Jeffrey L. Helfer
                                        ----------------------------------------

                                        Stuart G. MacDonald

                                        Address:
                                                --------------------------------

                                        /s/ Stuart G. MacDonald
                                        ----------------------------------------

                                        BioMed Solutions, LLC

                                        By: /s/ Michael L. Weiner
                                            ------------------------------------

                                        Name: Michael L. Weiner
                                              ----------------------------------

                                        Title: Manager
                                               ---------------------------------

                                        Address:
                                                --------------------------------

                                        ----------------------------------------

                       [Rights Agreement Signature Page]

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