Document:

REGISTRATION
      RIGHTS AGREEMENT

    

    THIS
      REGISTRATION RIGHTS AGREEMENT
      (this
“Agreement”)
      is
      made as of November 29, 2007, between Neuro-Hitech, Inc., a Delaware corporation
      (the “Company”),
      and
      the individuals and entities listed on Schedule A hereto (each, an “Investor”
and
      collectively, the “Investors”).

    

    RECITALS

    

    WHEREAS,
      the Company and the Investors are parties to the Stock and Warrant Purchase
      Agreement dated November 29, 2007 (the “Purchase
      Agreement”);

    

    WHEREAS,
      the Investors' obligations under the Purchase Agreement are conditioned upon
      certain registration rights under the Securities Act of 1933, as amended (the
      “Securities
      Act”);
      and

    

    WHEREAS,
      the Investors and the Company desire to provide for the rights of registration
      under the Securities Act as are provided herein upon the execution and delivery
      of this Agreement by such investors and the Company.

    

    NOW,
      THEREFORE, in consideration of the promises, covenants, and conditions set
      forth
      herein, the parties hereto hereby agree as follows:

    

    1. REGISTRATION
      RIGHTS.

    

    1.1. Definitions.
      As used
      in this Agreement, the following terms shall have the meanings set forth
      below:

    

    (a) “Additional
      Registration Statement”
means
      the registration statement filed with the SEC pursuant to Section 1.4 of this
      Agreement.

    

    (b) “Additional
      Registration Statement Filing Date”
means,
      with respect to the Additional Registration Statement required to be filed
      hereunder, the 210th
      day
      after the effectiveness of the Registration Statement.

    

    (c) “Closing”
has
      the
      meaning ascribed to such term in the Purchase Agreement.

    

    (d) “Common
      Stock”
means
      the Company's common stock, par value $0.001 per share.

    

    (e) “Effectiveness
      Date”
means
      the 90th
      day (or
      the 120th
      day if a
      full review of the Initial Registration Statement is performed by the SEC)
      following the Closing.

    

    (f) “Effectiveness
      Period”
means
      the period beginning on the date of effectiveness of a Registration Statement
      and ending on the earlier of when (i) all Registrable Securities have been
      sold
      or (ii) all Registrable Securities may be sold immediately without registration
      under the Securities Act and without volume restrictions, as determined by
      the
      counsel to the Company pursuant to a written opinion letter to such effect,
      addressed and reasonably acceptable to the Company's transfer agent and the
      affected Investors or (iii) the fourth anniversary of the date of the initial
      effectiveness of the Initial Registration Statement.

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    (g) “Exchange
      Act”
means
      the Securities Exchange Act of 1934, as amended.

    

    (h) “Fair
      Market Value”
means
      the average of the high and low prices of publicly traded shares of Common
      Stock, rounded to the nearest cent, on the principal national securities
      exchange on which shares of Common Stock are listed (if the shares of Common
      Stock are so listed), or on the NASDAQ Capital Market (if the shares of Stock
      are regularly quoted on the NASDAQ Capital Market), or, if not so listed or
      regularly quoted, the mean between the closing bid and asked prices of publicly
      traded shares of Common Stock in the over-the-counter market, or, if such bid
      and asked prices shall not be available, as reported by any nationally
      recognized quotation service selected by the Company, or as determined by the
      Board of Directors in a manner consistent with the provisions of the Internal
      Revenue Code, as amended.

    

    (i) “Filing
      Date”
means,
      with respect to the Initial Registration Statement required to be filed
      hereunder, the 30th
      days
      following the Closing.

    

    (j) “Initial Registration
      Statement”
means
      the registration statement filed with the SEC pursuant to Section 1.2(a) of
      this
      Agreement.

    

    (k) “Investor”
means
      any person owning Registrable Securities.

    

    (l) The
      terms
“Register,”
      “Registered”
and
      “Registration”
refer
      to a registration effected by preparing and filing a registration statement
      or
      similar document in compliance with the Securities Act, and the declaration
      or
      ordering of effectiveness of such registration statement or
      document.

    

    (m) “Registrable
      Securities”
means
      (i) the Shares, (ii) the Warrant Shares and (iii) any shares issued or issuable
      upon the conversion or exercise of any warrant, right or other security that
      is
      issued as, or a dividend or other distribution with respect to, or in exchange
      for, or in replacement of, the shares referenced in (i) and (ii) above;
      provided, however, that Registrable Securities shall not include any shares
      of
      Common Stock which have previously been registered or which have been sold
      to
      the public either pursuant to a registration statement or Rule 144, or which
      have been sold in a private transaction in which the transferor's rights under
      this Section 1 are not assigned.

    

    (n) “Registration
      Statements”
means
      the Initial Registration Statement and the Additional Registration Statement,
      if
      required.

    

    (o) “Rule
      144”
means
      Rule 144 as promulgated by the SEC under the Securities Act, as such Rule may
      be
      amended from time to time, or any similar successor rule that may be promulgated
      by the SEC.

    

    (p) “Rule
      145”
means
      Rule 145 as promulgated by the SEC under the Securities Act, as such Rule may
      be
      amended from time to time, or any similar successor rule that may be promulgated
      by the SEC.

    

    
      
         

      

      
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    (q) “SEC”
means
      the United States Securities and Exchange Commission.

    

    (r) “Shares”
means
      the shares of the Common Stock issued pursuant to the Purchase
      Agreement.

    

    (s) “Warrants”
means
      the warrants to purchase Common Stock issued pursuant to the Purchase
      Agreement.

    

    (t) “Warrant
      Shares”
means
      the shares of Common Stock issued or issuable upon exercise of the Warrants
      to
      purchase Common Stock issued pursuant to the Purchase Agreement.

    

    1.2. Company
      Registration.

     

    (a) On
      or
      prior to the Filing Date, the Company shall prepare and file with the SEC a
      registration statement covering the Registrable Securities for an offering
      to be
      made on a continuous basis pursuant to Rule 415. The Initial Registration
      Statement shall be on Form SB-2 or Form S-3 (except if the Company is not then
      eligible to register for resale the Registrable Securities on Form SB-2 or
      Form
      S-3, in which case such registration shall be on another appropriate form in
      accordance herewith). The Company shall cause the Initial Registration Statement
      to become effective and remain effective as provided herein. The Company shall
      use its reasonable commercial efforts to cause the Initial Registration
      Statement to be declared effective under the Securities Act as promptly as
      possible after the filing thereof, but in any event no later than the
      Effectiveness Date. The Company shall use its reasonable commercial efforts
      to
      keep the Initial Registration Statement continuously effective under the
      Securities Act during the Effectiveness Period.

    

    (b) If:
      (i)
      the Initial Registration Statement is not declared effective by the SEC by
      the
      Effectiveness Date; (ii) the Additional Registration Statement is not filed
      on
      or prior to the Additional Registration Statement Filing Date; or (iii) after
      the Initial Registration Statement is filed with and declared effective by
      the
      SEC, the Initial Registration Statement ceases to be effective (by suspension
      or
      otherwise) as to all Registrable Securities to which it is required to relate
      at
      any time prior to the expiration of the Effectiveness Period (without being
      succeeded immediately by an additional registration statement filed and declared
      effective) for a period of time which shall exceed 30 days in the aggregate
      per
      year or more than 20 consecutive calendar days (defined as a period of 365
      days
      commencing on the date the registration statement is declared effective); (any
      such failure or breach being referred to as an “Event,”
and
      for purposes of clause (i) or (ii) the date on which such Event occurs, or
      for
      purposes of clause (iii) the date which such 30 day or 20 consecutive day period
      (as the case may be) is exceeded, being referred to as the “Event
      Date”),
      then
      until the applicable Event is cured, the Company shall pay to each Investor
      affected by the Event in cash at Fair Market Value, as liquidated damages and
      not as a penalty, equal to 1.0%, for each thirty (30) day period (prorated
      for
      partial periods), calculated on a daily basis of the aggregate amount of the
      purchase price of the Shares purchased by such Investor and affected by the
      Event. While such Event continues, such liquidated damages shall be paid to
      the
      affected Investor not less often than each thirty (30) days. Any unpaid
      liquidated damages as of the date when an Event has been cured by the Company
      shall be paid within three (3) days following the date on which such Event
      has
      been cured by the Company. Any amounts not paid within the time periods set
      forth in this Section 1.2(b) will accrue interest at the then current Prime
      Rate
      as published by the Wall Street Journal, compounded monthly. Notwithstanding
      anything to the contrary herein, additional liquidated damages (other than
      interest on unpaid amounts) shall cease to accrue on the earlier of (x) the
      first anniversary of the Closing or (y) the first day on which all
      Registrable Securities may be sold immediately without registration under the
      Securities Act and without volume restrictions. 

    

    
      
         

      

      
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    (c) The
      Company shall bear and pay all expenses incurred in connection with any
      registration, filing or qualification of Registrable Securities with respect
      to
      the registrations pursuant to this Section 1.2 for each Investor, including
      (without limitation) all registration, filing and qualification fees, printer's
      fees, accounting fees and fees and disbursements of counsel for the Company,
      but
      excluding underwriting discounts and commissions relating to Registrable
      Securities and fees and disbursements of counsel for the Investors.

    

    1.3. Piggyback
      Registration.
      The
      Company shall notify all Holders of Registrable Securities in writing at least
      30 days prior to filing any registration statement under the Securities Act
      for
      purposes of effecting a public offering of securities of the Company (including,
      but not limited to, registration statements relating to secondary offerings
      of
      securities of the Company, but excluding
      registration statements relating to any registration under Section 1.2 of this
      Agreement or to any employee benefit plan or a corporate reorganization or
      other
      transaction covered by Rule 145 promulgated under the Securities Act, or a
      registration on any registration form which does not permit secondary sales
      or
      does not include substantially the same information as would be required to
      be
      included in a registration statement covering the sale of Registrable
      Securities) and will afford each such Holder an opportunity to include in such
      registration statement all or any part of the Registrable Securities then held
      by such Holder. Each Holder desiring to include in any such registration
      statement all or any part of the Registrable Securities held by such Holder
      shall, within 20 days after receipt of the above-described notice from the
      Company, so notify the Company in writing, and in such notice shall inform
      the
      Company of the number of Registrable Securities such Holder wishes to include
      in
      such registration statement. If a Holder decides not to include all of its
      Registrable Securities in any registration statement thereafter filed by the
      Company, such Holder shall nevertheless continue to have the right to include
      any Registrable Securities in any subsequent registration statement or
      registration statements as may be filed by the Company with respect to offerings
      of its securities, all upon the terms and conditions set forth
      herein.

    

    (a) Underwriting.
      If a
      registration statement under which the Company gives notice under this Section
      1.3 is for an underwritten offering, then the Company shall so advise the
      Holders of Registrable Securities. In such event, the right of any such Holder’s
      Registrable Securities to be included in a registration pursuant to this Section
      1.3 shall be conditioned upon such Holder’s participation in such underwriting
      and the inclusion of such Holder’s Registrable Securities in the underwriting to
      the extent provided herein. All Holders proposing to distribute their
      Registrable Securities through such underwriting shall enter into an
      underwriting agreement in customary form with the managing underwriter or
      underwriter(s) selected for such underwriting. Notwithstanding any other
      provision of this Agreement, if the managing underwriter determine(s) in good
      faith that marketing factors require a limitation of the number of shares to
      be
      underwritten, then the managing underwriter(s) may exclude shares (including
      Registrable Securities) from the registration and the underwriting, and the
      number of shares that may be included in the registration and the underwriting
      shall be allocated, first,
      to the
      Company, second
      to
      Holders requesting inclusion of their Registrable Securities in such
      registration statement on a pro rata basis based on the number of shares
      proposed to be registered by the Company and the number of Registrable
      Securities each such Holder has requested registration and underwriting as
      described above shall be restricted so that the number of Registrable Securities
      included in any such registration is not reduced below 20% of the shares
      included in the registration. If any Holder disapproves of the terms of any
      such
      underwriting, such Holder may elect to withdraw therefrom by written notice,
      given in accordance with Section 4.5 hereof, to the Company and the underwriter,
      delivered at least 20 days prior to the effective date of the registration
      statement. Any Registrable Securities excluded or withdrawn from such
      underwriting shall be excluded and withdrawn from the registration. For any
      Holder that is a partnership or corporation, the partner, retired partners
      and
      shareholders of such Holder, or the estates and family members of any such
      partners and retired partners and any trusts for the benefit of any of the
      foregoing persons shall be deemed to be a single “Holder”, and any pro rata
      reduction with respect to such “Holder” shall be based upon the aggregate amount
      of shares carrying registration rights owned by all entities and individuals
      included in such “Holder”, as defined in this sentence.

    

    
      
         

      

      
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    (b) Expenses.
      All
      expenses incurred in connection with a registration pursuant to this Section
      1.3, including without limitation all registration and qualification fees,
      printers’ and accounting fees, fees and disbursements of counsel for the
      Company, and the reasonable fees and disbursements of one counsel for the
      selling Holders (but excluding underwriters’ discounts and commissions), shall
      be borne by the Company. Each Holder participating in a registration pursuant
      to
      this Section 1.3 shall bear such Holder’s proportionate share (based on the
      number of shares sold by such Holder over the total number of shares included
      in
      such registration at the time it goes effective) of all discounts, commissions
      or other amounts payable to underwriters or brokers in connection with such
      offering.

    

    1.4. Inability
      to use Single Registration.
      Notwithstanding any other provision of this Agreement, in the event the SEC
      determines that a registration statement registering all of the Registrable
      Securities that the Company seeks to register in a single registration statement
      would not be includable in a secondary registration on a delayed basis pursuant
      to Rule 415, or requires the Company to reduce the number of Shares and Warrant
      Shares to be included in the registration statement, the Company shall have
      the
      right to, first,
      exclude
      the Warrant Shares from the registration statement; second,
      exclude
      the Shares of Holders requesting inclusion of their Registrable Securities
      in
      such registration statement on a pro rata basis based on the number of shares
      proposed to be registered by the Company and the number of Registrable
      Securities each such Holder has requested to have registered; provided
      that,
      prior to any exclusion pursuant to this Section 1.4, the Company shall have
      excluded from such registration statement (i) the holders of which have no
      right
      to require to be included in such registration statement and (ii) all securities
      with respect to which the holders have waived any applicable registration
      rights. In such event, the obligation of the Company to pay the liquidated
      damages penalty described in Section 1.2(b) for the failure of the Initial
      Registration Statement to be declared effective by the SEC by the Effectiveness
      Date shall apply only to the Registrable Securities included in such Initial
      Registration Statement. In addition, the Company shall file an additional
      registration statement to register any of the Registrable Securities that are
      excluded from the Initial Registration Statement (the “Additional
      Registration Statement”)
      by the
      Additional Registration Statement Filing Date. The Company shall use its
      reasonable commercial efforts to cause the Additional Registration Statement
      to
      be declared effective under the Securities Act as promptly as possible after
      the
      filing thereof. The Company shall use its reasonable commercial efforts to
      keep
      the Additional Registration Statement continuously effective under the
      Securities Act during the Effectiveness Period.

    

    
      
         

      

      
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    1.5. Obligations
      of the Company.
      Whenever required under this Section 1 to effect the registration of any
      Registrable Securities, the Company shall, as expeditiously as reasonably
      possible:

    

    (a) Prepare
      and file with the SEC a registration statement with respect to such Registrable
      Securities and use its commercially reasonable efforts to cause such
      registration statement to become effective, and, upon the request of the
      Investors holding at least a majority of the Registrable Securities registered
      thereunder, keep such Registration Statement effective during the Effectiveness
      Period;

    

    (b) Prepare
      and file with the SEC such amendments and supplements to such Registration
      Statement and the prospectus used in connection with such Registration Statement
      as may be necessary to comply with the provisions of the Securities Act with
      respect to the disposition of all securities covered by such Registration
      Statement;

    

    (c) Furnish
      to the Investors such numbers of copies of a prospectus, including a preliminary
      prospectus, in conformity with the requirements of the Securities Act, and
      such
      other documents as they may reasonably request in order to facilitate the
      disposition of Registrable Securities owned by them (provided that the Company
      would not be required to print such prospectuses if readily available to
      Investors from any electronic service, such as on the EDGAR filing database
      maintained at www.sec.gov);

    

    (d) Use
      its
      commercially reasonable efforts to register and qualify the securities covered
      by such Registration Statement under such other securities' or blue sky laws
      of
      such jurisdictions as shall be reasonably requested by the Investors; provided
      that the Company shall not be required in connection therewith or as a condition
      thereto to qualify to do business or to file a general consent to service of
      process in any such states or jurisdictions;

    

    (e) In
      the
      event of any underwritten public offering, enter into and perform its
      obligations under an underwriting agreement, in usual and customary form, with
      the managing underwriter(s) of such offering (each Investor participating in
      such underwriting shall also enter into and perform its obligations under such
      an agreement);

    

    (f) Notify
      each Investor of Registrable Securities covered by such Registration Statement
      at any time when a prospectus relating thereto is required to be delivered
      under
      the Securities Act of the happening of any event as a result of which the
      prospectus included in such Registration Statement, as then in effect, includes
      an untrue statement of a material fact or omits to state a material fact
      required to be stated therein or necessary to make the statements therein not
      misleading in the light of the circumstances then existing;

    

    
      
         

      

      
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    (g) Cause
      all
      such Registrable Securities registered pursuant hereunder to be listed on each
      securities exchange or nationally recognized quotation system on which similar
      securities issued by the Company are then listed; and

    

    (h) Provide
      a
      transfer agent and registrar for all Registrable Securities registered pursuant
      hereunder and a CUSIP number for all such Registrable Securities, in each case
      not later than the effective date of such registration.

    

    1.6. Furnish
      Information.
      It
      shall be a condition precedent to the Company's obligations to take any action
      pursuant to this Section 1 with respect to the Registrable Securities of any
      selling Investor that such Investor shall furnish to the Company such
      information regarding such Investor, the Registrable Securities held by such
      Investor, and the intended method of disposition of such securities as shall
      be
      required by the Company or the managing underwriters, if any, to effect the
      registration of such Investor's Registrable Securities.

     

    1.7. Delay
      of Registration.
      No
      Investor shall have any right to obtain or seek an injunction restraining or
      otherwise delaying any such registration as the result of any controversy that
      might arise with respect to the interpretation or implementation of this Section
      1.

     

    1.8. Indemnification.

     

    (a) To
      the
      extent permitted by law, the Company will indemnify and hold harmless each
      Investor, any underwriter (as defined in the Securities Act) for such Investor
      and each person, if any, who controls such Investor 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 any of the foregoing persons
      may become subject under the Securities Act, the Exchange Act or other Federal
      or state securities law, insofar as such losses, claims, damages or liabilities
      (or actions in respect thereof) arise out of or are based upon any of the
      following statements, omissions or violations (collectively, a “Violation”):
      (i)
      any untrue statement or alleged untrue statement of a material fact contained
      in
      any Registration Statement, including any preliminary prospectus or final
      prospectus contained therein or any amendments or supplements thereto
      (collectively, the “Filings”),
      (ii)
      the omission or alleged omission to state in the Filings 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 Company 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; and the Company will pay any legal or other expenses reasonably
      incurred by any person to be indemnified pursuant to this Section 1.8(a) in
      connection with investigating or defending any such loss, claim, damage,
      liability or action; provided, however, that the indemnity agreement contained
      in this Section 1.8(a) shall not apply to amounts paid in settlement of any
      such
      loss, claim, damage, liability, or action if such settlement is effected without
      the consent of the Company (which consent shall not be unreasonably withheld),
      nor shall the Company be liable in any such case for any such loss, claim,
      damage, liability, or action to the extent that it arises out of or is based
      upon a Violation that occurs in reliance upon and in conformity with written
      information furnished expressly for use in connection with such registration
      by
      any such Investor, underwriter or controlling person.

    

    
      
         

      

      
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    (b) To
      the
      extent permitted by law, each Investor will indemnify and hold harmless the
      Company, each of its directors, each of its officers who has signed any
      Registration Statement, each person, if any, who controls the Company within
      the
      meaning of the Securities Act, any underwriter, any other Investor selling
      securities in such Registration Statement and any controlling person of any
      such
      underwriter or other Investor, against any losses, claims, damages, or
      liabilities (joint or several) to which any of the foregoing persons may become
      subject under the Securities Act, the Exchange Act or other Federal or state
      securities law insofar as such losses, claims, damages or liabilities (or
      actions in respect thereto) arise out of or are based upon any Violation, in
      each case to the extent (and only to the extent) that such Violation occurs
      in
      reliance upon and in conformity with written information furnished by such
      Investor expressly for use in connection with such registration; and each such
      Investor will pay any legal or other expenses reasonably incurred by any person
      to be indemnified pursuant to this Section 1.8(b) in connection with
      investigating or defending any such loss, claim, damage, liability or action;
      provided, however, that the indemnity agreement contained in this Section 1.8(b)
      shall not apply to amounts paid in settlement of any such loss, claim, damage,
      liability or action if such settlement is effected without the consent of the
      Investor (which consent shall not be unreasonably withheld); provided, however,
      in no event shall any indemnity under this subsection 1.8(b) exceed the gross
      proceeds from the offering received by such Investor.

    

    (c) Promptly
      after receipt by an indemnified party under this Section 1.8 of notice of the
      commencement of any action (including any governmental action), such indemnified
      party will, if a claim in respect thereof is to be made against any indemnifying
      party under this Section 1.6, deliver to the indemnifying party a written notice
      of the commencement thereof and the indemnifying party shall have the right
      to
      participate in, and, to the extent the indemnifying party so desires, jointly
      with any other indemnifying party similarly noticed, to assume the defense
      thereof with counsel mutually satisfactory to the parties; provided, however,
      that an indemnified party (together with all other indemnified parties that
      may
      be represented without conflict by one counsel) shall have the right to retain
      one separate counsel, with the fees and expenses to be paid by the indemnifying
      party, if representation of such indemnified party by the counsel retained
      by
      the indemnifying party would be inappropriate due to actual or potential
      differing interests between such indemnified party and any other party
      represented by such counsel in such proceeding. The failure to deliver written
      notice to the indemnifying party within a reasonable time of the commencement
      of
      any such action, if materially prejudicial to its ability to defend such action,
      shall relieve such indemnifying party of any liability to the indemnified party
      under this Section 1.8, but the omission so to deliver written notice to the
      indemnifying party will not relieve it of any liability that it may have to
      any
      indemnified party otherwise than under this Section 1.8.

    

    (d) If
      the
      indemnification provided for in Sections 1.8(a) and (b) is held by a court
      of
      competent jurisdiction to be unavailable to an indemnified party with respect
      to
      any loss, claim, damage or expense referred to therein, then the indemnifying
      party in lieu of indemnifying such indemnified party hereunder, shall contribute
      to the amount paid or payable by such indemnified party as a result of such
      loss, claim, damage or expense in such proportion as is appropriate to reflect
      the relative fault of the indemnifying party on the one hand and of the
      indemnified party on the other in connection with the statements or omissions
      or
      alleged statements or omissions that resulted in such loss, liability, claim
      or
      expense as well as any other relevant equitable considerations. The relative
      fault of the indemnifying party and of the indemnified party shall be determined
      by reference to, among other things, whether the untrue or alleged untrue
      statement of a material fact relates to information supplied by the indemnifying
      party or by the indemnified party and the parties' relative intent, knowledge,
      access to information and opportunity to correct or prevent such statement
      or
      omission. In no event shall any Investor be required to contribute an amount
      in
      excess of the gross proceeds from the offering received by such
      Investor.

    

    
      
         

      

      
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    (e) Notwithstanding
      the foregoing, to the extent that the provisions on indemnification and
      contribution contained in the underwriting agreement entered into in connection
      with the underwritten public offering are in conflict with the foregoing
      provisions, the provisions of the underwriting agreement shall
      control.

    

    (f) The
      obligations of the Company and Investors under this Section 1.8 shall survive
      the completion of any offering of Registrable Securities in any Registration
      Statement under this Section 1, and otherwise.

    

    1.9. Reports
      Under Securities Exchange Act.
      With a
      view to making available the benefits of certain rules and regulations of the
      SEC, including Rule 144, that may at any time permit an Investor to sell
      securities of the Company to the public without registration or pursuant to
      a
      registration on Form SB-2, the Company agrees to:

     

    (a) make
      and
      keep public information available, as those terms are understood and defined
      in
      Rule 144;

    

    (b) take
      such
      action as is necessary to enable the Investors to utilize Form SB-2 for the
      sale
      of their Registrable Securities;

    

    (c) file
      with
      the SEC in a timely manner all reports and other documents required of the
      Company under the Securities Act and the Exchange Act; and

    

    (d) furnish
      to any Investor, so long as the Investor owns any Registrable Securities,
      forthwith upon request (i) a written statement by the Company that it has
      complied with the reporting requirements of Rule 144, the Securities Act and
      the
      Exchange Act, or that it qualifies as a registrant whose securities may be
      resold pursuant to Form SB-2, (ii) a copy of the most recent annual or quarterly
      report of the Company and such other reports and documents so filed by the
      Company, and (iii) such other information as may be reasonably requested in
      availing any Investor of any rule or regulation of the SEC that permits the
      selling of any such securities without registration or pursuant to such
      form.

    

    
      
         

      

      
        9

        
          

        

      

      
         

      

    

    1.10. Transfer
      or Assignment of Registration Rights.
      The
      rights to cause the Company to register Registrable Securities pursuant to
      this
      Section 1 may be transferred or assigned, but only with all related obligations,
      by an Investor (a) to a transferee or assignee who acquires at least 50,000
      shares (subject to appropriate adjustment for stock splits, stock dividends
      and
      combinations) of Registrable Securities from such transferring Investor (or,
      if
      less, all Registrable Securities then held by such transferring Investor),
      (b)
      to a transferee or assignee who holds Registrable Securities immediately prior
      to such transfer or assignment, (c) in the case of an Investor that is an
      investment fund, to an investment fund under common management with such
      Investor, (d) in the case of an Investor that is a partnership or limited
      liability company, to any partners or members of such partnership or limited
      liability company, (e) in the case of an Investor that is a corporation, to
      any
      stockholders of such corporation, and (f) in the case of an Investor that is
      a
      trust, to any beneficiaries of such trust.; provided that in the case of (a),
      (i) prior to such transfer or assignment, the Company is furnished with written
      notice stating the name and address of such transferee or assignee and
      identifying the securities with respect to which such registration rights are
      being transferred or assigned, (ii) such transferee or assignee agrees in
      writing to be bound by and subject to the terms and conditions of this Agreement
      and (iii) such transfer or assignment shall be effective only if immediately
      following such transfer or assignment the further disposition of such securities
      by the transferee or assignee is restricted under the Securities
      Act.

     

    2. COVENANTS
      OF THE COMPANY TO THE INVESTORS.

     

    2.1. Information
      Rights.
      The
      Company shall deliver to each Investor who holds (and continues to hold) at
      least 50,000 shares of Registrable Securities (subject to appropriate adjustment
      for stock splits, stock dividends and combinations), upon the request of such
      Investor (which may be satisfied by filing of Company quarterly and annual
      reports under the Exchange Act):

     

    (a) as
      soon
      as practicable, but in any event within ninety (90) calendar days after the
      end
      of each fiscal year of the Company, consolidated balance sheets of the Company
      and its subsidiaries, if any, as of the end of such fiscal year, and
      consolidated statements of income and consolidated statements of cash flows
      of
      the Company and its subsidiaries, if any, for such year, prepared in accordance
      with generally accepted accounting principles (“GAAP”),
      all
      in reasonable detail; and

    

    (b) as
      soon
      as practicable, but in any event within forty-five (45) calendar days after
      the
      end of each of the first three (3) quarters of each fiscal year of the Company,
      consolidated balance sheets of the Company and its subsidiaries, if any, as
      of
      the end of such quarter, and consolidated statements of income and consolidated
      statements of cash flows of the Company and its subsidiaries, if any, for such
      quarter prepared in accordance with GAAP, all in reasonable detail.

    

    2.2. Confidentiality.
      Each
      Investor receiving any non-public information of the Company hereby agrees
      to
      hold in confidence and trust and to act in a fiduciary manner with respect
      to
      all information so provided; provided, however, that notwithstanding the
      foregoing, an Investor may include summary financial information concerning
      the
      Company and general statements concerning the nature and progress of the
      Company's business in an Investor's reports to its affiliates.

    

    
      
         

      

      
        10

        
          

        

      

      
         

      

    

    2.3. Other
      Registration Rights.
      Except
      for the shares of Common Stock to be registered pursuant to the Company's
      Registration Rights Agreements dated January 5, 2006 and November 29, 2006
      (the
“Existing
      Registration Rights Agreements”),
      neither the Company nor any of its other security holders may include securities
      of the Company in any Registration Statement without the consent of a majority
      in interest of the Investors. The Company shall not file any other registration
      statements with the SEC until all Registration Statements required hereunder
      are
      declared effective by the SEC, except registration statements on Form S-8 solely
      covering employee stock benefits. No other person shall be granted the right
      to
      cause the Company to effect the registration under the Securities Act of any
      securities of the Company prior to filing the Initial Registration Statement,
      nor shall the Company effect any amendment, modification or waiver of any
      provision of the Existing Registration Rights Agreement in any manner that
      would
      adversely affect the rights of the Investors hereunder .

     

    3. LEGEND.

     

    (a) Each
      certificate representing the shares of Common Stock held by the Investors shall
      be endorsed with the following legend (the “Legend”):

    

    THE
      SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO THAT CERTAIN REGISTRATION
      RIGHTS AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THESE SHARES,
      A
      COPY OF WHICH MAY BE OBTAINED AT THE COMPANY'S PRINCIPAL OFFICE. THE
      REGISTRATION RIGHTS AGREEMENT IS BINDING ON TRANSFEREES OF THESE
      SHARES.

    

    (b) The
      Company agrees that, during the term of this Agreement, it will not remove,
      and
      will not permit to be removed (upon registration of transfer, re-issuance or
      otherwise), the Legend from any such certificate and will place or cause to
      be
      placed the Legend on any new certificate theretofore represented by a
      certificate carrying the Legend.

    

    4. MISCELLANEOUS.

     

    4.1. Governing
      Law.
      This
      Agreement shall be governed in all respects by the laws of the State of New
      York
      as such laws are applied to agreements between New York residents entered into
      and to be performed entirely within New York, without regard to conflict of
      laws
      rules.

     

    4.2. Waivers
      and Amendments.
      This
      Agreement may be terminated and any term of this Agreement may be amended or
      waived (either generally or in a particular instance and either retroactively
      or
      prospectively) with the written consent of the Company and Investors holding
      at
      least two thirds of the Registrable Securities then outstanding (the
“Super
      Majority Investors”).
      Notwithstanding the foregoing, additional parties may be added as Investors
      under this Agreement with the written consent of the Company and the Super
      Majority Investors. No such amendment or waiver shall reduce the aforesaid
      percentage of the Registrable Securities, the holders of which are required
      to
      consent to any termination, amendment or waiver without the consent of the
      record holders of all of the Registrable Securities. Any termination, amendment
      or waiver effected in accordance with this Section 4.2 shall be binding upon
      each holder of Registrable Securities then outstanding, each future holder
      of
      all such Registrable Securities and the Company.

     

    
      
         

      

      
        11

        
          

        

      

      
         

      

    

    4.3. Successors
      and Assigns.
      Except
      as otherwise expressly provided herein, the provisions of this Agreement shall
      inure to the benefit of, and be binding upon, the successors, assigns, heirs,
      executors and administrators of the parties hereto.

     

    4.4. Entire
      Agreement.
      This
      Agreement constitutes the full and entire understanding and agreement among
      the
      parties with regard to the subject matter hereof, and no party shall be liable
      or bound to any other party in any manner by any warranties, representations
      or
      covenants except as specifically set forth herein.

     

    4.5. Notices.
      All
      notices and other communications required or permitted under this Agreement
      shall be in writing and shall be delivered personally by hand or by courier,
      mailed by United States first-class mail, postage prepaid, sent by facsimile
      or
      sent by electronic mail directed (a) if to an Investor, at such Investor's
      address, facsimile number or electronic mail address set forth in the Company's
      records, or at such other address, facsimile number or electronic mail address
      as such Investor may designate by ten (10) days' advance written notice to
      the
      other parties hereto or (b) if to the Company, to its address, facsimile number
      or electronic mail address set forth on its signature page to this Agreement
      and
      directed to the attention of the President, or at such other address, facsimile
      number or electronic mail address as the Company may designate by ten (10)
      days'
      advance written notice to the other parties hereto. All such notices and other
      communications shall be effective or deemed given upon personal delivery, on
      the
      date of mailing, upon confirmation of facsimile transfer or upon confirmation
      of
      electronic mail delivery.

     

    4.6. Interpretation.
      The
      words “include,” “includes” and “including” when used herein shall be deemed in
      each case to be followed by the words “without limitation.” The titles and
      subtitles used in this Agreement are used for convenience only and are not
      considered in construing or interpreting this Agreement.

     

    4.7. Severability.
      If one
      or more provisions of this Agreement are held to be unenforceable under
      applicable law, such provision shall be excluded from this Agreement, and the
      balance of the Agreement shall be interpreted as if such provision were so
      excluded, and shall be enforceable in accordance with its terms.

     

    4.8. Counterparts.
      This
      Agreement may be executed in any number of counterparts, each of which shall
      be
      an original, but all of which together shall constitute one
      instrument.

     

    4.9. Telecopy
      Execution and Delivery.
      A
      facsimile, telecopy or other reproduction of this Agreement may be executed
      by
      one or more parties hereto, and an executed copy of this Agreement may be
      delivered by one or more parties hereto by facsimile or similar electronic
      transmission device pursuant to which the signature of or on behalf of such
      party can be seen, and such execution and delivery shall be considered valid,
      binding and effective for all purposes. At the request of any party hereto,
      all
      parties hereto agree to execute an original of this Agreement as well as any
      facsimile, telecopy or other reproduction hereof.

     

    
      
         

      

      
        12

        
          

        

      

      
         

      

    

     

    IN
      WITNESS WHEREOF, the parties have executed this Agreement on the day, month
      and
      year first set forth above.

    
      	
               

            	
               

            	
               

            
	
               

            	
              NEURO-HITECH,
                INC.

            
	
               

               

            	
               

               

            	
               

               

            
	
               

            	
              By:  

            	 
	
               

            	
              
                

              

              David
                Barrett

              Chief
                Financial Officer

            
	
               

            	
               

            
	
               

            	
              ADDRESS:

               

              Neuro-Hitech,
                Inc.

              One
                Penn Plaza, Suite 1503

              New
                York, New York 10119

              Telephone:
                (212) 594-1215

              facsimile:
                (212) 594-1242

              Email:
                info@neurohitech.com

              Attention:
                Chief Executive Officer

            

    

    

    
      	
               

            	
               

            	
               

            
	
               

            	
              “Investors”

            
	
               

               

            	
               

               

            	
               

               

            
	
               

            	
              By:  

            	 
	
               

            	
              
                
                  

                

              

            
	
               

            	
               

            
	
               

            	
              ADDRESS:

               

              ______________________________

              ______________________________

              ______________________________

              Telephone:_____________________

              Telecopy:______________________

              Email:_________________________

            

    

    

    
      
         

      

      
        13

        
          

        

      

      
         

      

    

    

    
      	
               

               

            	
               

               

            	
               

               

            
	
               

            	
              By:  

            	 
	
               

            	
              
                
                  

                

              

            
	
               

            	
               

            
	
               

            	
              ADDRESS:

               

              ______________________________

              ______________________________

              ______________________________

              Telephone:_____________________

              Telecopy:______________________

              Email:_________________________

            

    

    

    

    
      	
               

               

            	
               

               

            	
               

               

            
	
               

            	
              By:  

            	 
	
               

            	
              
                
                  

                

              

            
	
               

            	
               

            
	
               

            	
              ADDRESS:

               

              ______________________________

              ______________________________

              ______________________________

              Telephone:_____________________

              Telecopy:______________________

              Email:_________________________

            

    

    

    

    
      
         

      

      
        14THIS
      WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT
      BEEN
      REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”),
      OR UNDER THE SECURITIES LAWS OF ANY APPLICABLE STATES. THESE SECURITIES ARE
      SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED
      OR RESOLD EXCEPT AS PERMITTED UNDER THE SECURITIES ACT AND THE APPLICABLE STATE
      SECURITIES LAWS, PURSUANT TO REGISTRATION OR EXEMPTION THEREFROM. INVESTORS
      SHOULD BE AWARE THAT THEY MAY BE REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS
      INVESTMENT FOR AN INDEFINITE PERIOD OF TIME. THE ISSUER OF THESE SECURITIES
      MAY
      REQUIRE AN OPINION OF COUNSEL IN FORM AND SUBSTANCE SATISFACTORY TO THE ISSUER
      TO THE EFFECT THAT ANY PROPOSED TRANSFER OR RESALE IS IN COMPLIANCE WITH THE
      SECURITIES ACT AND ANY APPLICABLE STATE SECURITIES LAWS.

     

    WARRANT
      TO PURCHASE COMMON STOCK

    OF

    NEURO-HITECH,
      INC.

     

    
      	
              Warrant
                No. _____

            	
              Issued
                on December 14, 2007

            
	 	
              Void
                after December 14, 2012

            
	 	 

    

    This
      certifies that in connection with the Purchase Agreement (as defined below),
      [_______] (the “Investor”)
      is
      entitled, subject to the terms and conditions of this Warrant, to purchase
      from
      Neuro-Hitech, Inc., a Delaware corporation (the “Company”),
      at
      any time prior to Expiration Date up to [•] shares of the Company’s Common
      Stock, $0.001 par value per share (the “Common
      Stock”)
      at a
      price per share equal to the Warrant Price (as defined below), upon surrender
      of
      this Warrant at the principal offices of the Company, together with a duly
      executed subscription form in the form attached hereto as Exhibit
      1
      and
      simultaneous payment of the full Warrant Price for the shares of Common Stock
      so
      purchased in lawful money of the United States, or as otherwise provided herein.
      The Warrant Price and the number and character of shares of Common Stock
      purchasable under this Warrant are subject to adjustment as provided
      herein.

     

    This
      Warrant is issued pursuant to the Stock and Warrant Purchase Agreement of even
      date herewith, by and among the Company and each person identified as an
      Investor on the signature pages thereto (the “Purchase
      Agreement”),
      and
      is subject to the provisions set forth therein.

     

    1.
      DEFINITIONS.
      The
      following definitions shall apply for purposes of this Warrant:

     

    1.1“Company”
means
      the “Company”
as
      defined above and includes any corporation which shall succeed to or assume
      the
      obligations of the Company under this Warrant.

     

    1.2
      [Intentionally Omitted]

     

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

    1.3“Expiration
      Date”
means
      December 14, 2012.

     

    1.4“Fair
      Market Value”
on
      any
      day shall mean the
      average of the high and low prices of publicly traded shares of Common Stock,
      rounded to the nearest cent, on the principal national securities exchange
      on
      which shares of Common Stock are listed (if the shares of Common Stock are
      so
      listed), or on the NASDAQ Capital Market (if the shares of Stock are regularly
      quoted on the NASDAQ Capital Market), or, if not so listed or regularly quoted,
      the mean between the closing bid and asked prices of publicly traded shares
      of
      Common Stock in the over-the-counter market, or, if such bid and asked prices
      shall not be available, as reported by any nationally recognized quotation
      service selected by the Company, or as determined by the Board of Directors
      in a
      manner consistent with the provisions of the Internal Revenue Code, as
      amended.

     

    1.5“Holder”
means
      any person who shall at the time be the registered holder of this
      Warrant.

     

    1.6“Warrant”
means
      this Warrant and any warrant(s) delivered in substitution or exchange therefor,
      as provided herein.

     

    1.7“Warrant
      Price”
means,
      $7.00 per share unless this Warrant is exercised prior to the later of
      (i) April 30, 2008 or (ii) thirty days after a registration statement
      registering the Warrant Shares is declared effective by the Securities and
      Exchange Commission (“SEC”),
      in
      which case the Warrant Price means $5.00 per share, and in each case as adjusted
      pursuant to the provisions of Section 4.

     

    1.8“Warrant
      Shares”
means
      shares of Common Stock issuable upon exercise of the Warrant.

     

    2.
      EXERCISE.

     

    2.1
      Timing
      and Method of Exercise.
      Subject
      to the terms and conditions of this Warrant, the Holder may exercise this
      Warrant on any business day before the Expiration Date for up to _______________
      shares of Common Stock, by surrendering this Warrant at the principal offices
      of
      the Company, with the subscription form attached hereto duly executed by the
      Holder, and payment of an amount equal to the product obtained by multiplying
      (i) the number of shares of Common Stock to be purchased by the Holder by (ii)
      the Warrant Price therefor, if applicable, as determined in accordance with
      the
      terms hereof.

     

    2.2
      Form
      of Payment.
      Except
      as provided in Section 2.1(b) above, payment may be made by (i) a check payable
      to the Company’s order, (ii) wire transfer of funds to the Company, or (iii) any
      combination of the foregoing.

     

    2.3
      No
      Fractional Shares.
      No
      fractional shares may be issued upon any exercise of this Warrant, and any
      fractions shall be rounded down to the nearest whole number of shares. If upon
      any exercise of this Warrant a fraction of a share results, the Company will
      pay
      the cash value of any such fractional share, calculated on the basis of the
      difference between the Fair Market Value and the Warrant Price.

     

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

    2.4
      Restrictions
      on Exercise.
      This
      Warrant may not be exercised if the issuance of the Warrant Shares upon such
      exercise would constitute a violation of any applicable federal or state
      securities laws or other laws or regulations. As a condition to the exercise
      of
      this Warrant, the Holder shall execute the subscription form attached hereto
      as
Exhibit
      1,
      confirming and acknowledging that the representations and warranties made by
      the
      Holder in the “Qualification Questionnaire” described in Section 1.1 of the
      Purchase Agreement are true and correct as of the date of exercise.

     

    3.
      ISSUANCE
      OF STOCK.
      This
      Warrant shall be deemed to have been exercised immediately prior to the close
      of
      business on the date of its surrender for exercise as provided above, and the
      person entitled to receive the shares of common stock issuable upon such
      exercise shall be treated for all purposes as the holder of record of such
      shares as of the close of business on such date. As soon as practicable on
      or
      after such date, the Company shall issue and deliver to the person or persons
      entitled to receive the same a certificate or certificates for the number of
      whole shares of Warrant Shares issuable upon such exercise.

     

    4.
      ADJUSTMENT
      PROVISIONS.
      The
      number and character of shares of common stock issuable upon exercise of this
      Warrant (or any shares of stock or other securities or property at the time
      receivable or issuable upon exercise of this Warrant) and the Warrant Price
      therefor, are subject to adjustment upon the occurrence of the following events
      between the date this Warrant is issued and the date it is
      exercised:

     

    4.1
      Adjustment
      for Stock Splits and Stock Dividends.
      The
      Warrant Price of this Warrant and the number of Warrant Shares issuable upon
      exercise of this Warrant (or any shares of stock or other securities at the
      time
      issuable upon exercise of this Warrant) shall each be proportionally adjusted
      to
      reflect any stock dividend, stock split or reverse stock split, or other similar
      event affecting the number of outstanding shares of Common Stock (or such other
      stock or securities).

     

    4.2
      Adjustment
      for Other Dividends and Distributions.
      In case
      the Company shall make or issue, or shall fix a record date for the
      determination of eligible holders entitled to receive, a dividend or other
      distribution payable respect to the Common Stock that is payable in (a)
      securities of the Company (other than issuances with respect to which adjustment
      is made under Sections 4.1 or 4.3) or (b) assets (other than cash dividends
      paid
      or payable solely out of retained earnings), then, and in each such case, the
      Holder, upon exercise of this Warrant at any time after the consummation,
      effective date or record date of such event, shall receive, in addition to
      the
      shares of Common Stock issuable upon such exercise prior to such date, the
      securities or such other assets of the Company to which the Holder would have
      been entitled upon such date if the Holder had exercised this Warrant
      immediately prior thereto (all subject to further adjustment as provided in
      this
      Warrant).

     

    4.3
      Adjustment
      for Reorganization, Consolidation, Merger.
      In case
      of any recapitalization or reorganization of the Company after the date of
      this
      Warrant, or in case, after such date, the Company shall consolidate with or
      merge into another corporation, then, and in each such case, the Holder, upon
      the exercise of this Warrant (as provided in Section 2), at any time after
      the
      consummation of such recapitalization, reorganization, consolidation or merger,
      shall be entitled to receive, in lieu of the stock or other securities and
      property receivable upon the exercise of this Warrant prior to such
      consummation, the stock or other securities or property to which the Holder
      would have been entitled upon the consummation of such recapitalization,
      reorganization, consolidation or merger if the Holder had exercised this Warrant
      immediately prior thereto, all subject to further adjustment as provided in
      this
      Warrant, and the successor or purchasing corporation in such reorganization,
      consolidation or merger (if other than the Company) shall duly execute and
      deliver to the Holder a supplement hereto acknowledging such corporation’s
      obligations under this Warrant; and in each such case, the terms of this Warrant
      shall be applicable to the shares of stock or other securities or property
      receivable upon the exercise of this Warrant after the consummation of such
      reorganization, consolidation or merger.

     

    
      
         

      

      
        3

        
          

        

      

      
         

      

    

    4.4
      Conversion
      of Stock.
      In case
      all the authorized Common Stock of the Company is converted, pursuant to the
      Company’s certificate of incorporation, into other securities or property of the
      Company, or the Common Stock otherwise ceases to exist, then, in such case,
      the
      Holder, upon exercise of this Warrant at any time after the date on which the
      Common Stock is so converted or ceases to exist (the “Termination
      Date”),
      shall
      receive, in lieu of the number of shares of Common Stock that would have been
      issuable upon such exercise immediately prior to the Termination Date (the
      “Former
      Number of Shares of Common Stock”),
      the
      stock and other securities and property which the Holder would have been
      entitled to receive upon the Termination Date if the Holder had exercised this
      Warrant with respect to the Former Number of Shares of Common Stock immediately
      prior to the Termination Date (all subject to further adjustment as provided
      in
      this Warrant).

     

    4.5
      Adjustments
      Due to Issuances of Common Stock. 

     

    (a) Except
      as
      otherwise provided in Sections 4.1, 4.2, 4.3 and 4.4, if and whenever on or
      after the date of issuance of this Warrant, the Company issues or sells, or
      is
      deemed to have issued or sold, any shares of Common Stock for no consideration
      or for consideration per share less than a price equal to the Warrant Price
      in
      effect immediately prior to such issuance or sale, then immediately after such
      issuance or sale, the Warrant Price then in effect shall be reduced to an amount
      equal to the product of (x) the Warrant Price in effect immediately prior to
      such issuance or sale and (y) quotient obtained by dividing (I) the sum of
      (a)
      the number of shares of Common Stock Deemed Outstanding (as defined below)
      immediately prior to such issuance or sale and (b) the quotient determined
      by
      dividing (i) the consideration, if any, received by the Company upon such
      issuance or sale by (ii) the Warrant Price by (II) the number of shares of
      Common Stock Deemed Outstanding immediately after such issuance or sale.
Upon
      each
      such adjustment of the Warrant Price hereunder, the number of shares of Common
      Stock acquirable upon exercise of this Warrant shall be adjusted to the number
      of shares determined by multiplying the Warrant Price in effect immediately
      prior to such adjustment by the number of shares of Common Stock acquirable
      upon
      exercise of this Warrant immediately prior to such adjustment and dividing
      the
      product thereof by the Warrant Price resulting from such adjustment.
“Common
      Stock Deemed Outstanding”
means
      the number of shares of Common Stock actually outstanding (not including shares
      of Common Stock held in the treasury of the Company), plus (A) in case of any
      adjustment required by Section 4.6 resulting from the issuance of any Options
      (as defined below), the maximum total number of shares of Common Stock issuable
      upon the exercise of the Options for which the adjustment is required (including
      any Common Stock issuable upon the conversion of Convertible Securities (as
      defined below) issuable upon the exercise of such Options), and (B) in the
      case
      of any adjustment required by Section 4.6 resulting from the issuance of any
      Convertible Securities, the maximum total number of shares of Common Stock
      issuable upon the exercise, conversion or exchange of the Convertible Securities
      for which the adjustment is required, as of the date of issuance of such
      Convertible Securities, if any. To the extent that shares of Common Stock are
      issued for cash, the per share price at which such shares were issued shall
      be
      equal to the quotient determined by dividing the cash proceeds received by
      the
      Company without deduction for any underwriting discounts or commissions by
      the
      total number of shares issued in such issuance. To the extent that shares of
      Common Stock are issued for consideration other than cash, the per share price
      at which such shares were issued shall be equal to the quotient determined
      by
      dividing the fair value of the consideration received by the Company in exchange
      for such shares (as determined in good faith by the Company’s Board of
      Directors) by the total number of shares issued in such issuance. 

     

    
      
         

      

      
        4

        
          

        

      

      
         

      

    

    4.6 Effect
      on Warrant Price of Certain Events.
      For
      purposes of determining the Warrant Price pursuant to Section 4 hereof, the
      following shall be applicable:

     

    (a) Issuance
      of Options.
      If the
      Company in any manner grants any rights, warrants or options to subscribe for
      or
      purchase Common Stock or Convertible Securities (excluding options granted
      in
      connection with one or more employee benefit plans approved by the Company's
      Board of Directors, pursuant to which the Company's securities may be issued
      to
      any employee, officer, director, consultant or other service provider of the
      Company or any subsidiary (the “Approved
      Stock Plans”))
      (“Options”)
      and
      the lowest price per share for which one share of Common Stock is issuable
      upon
      the exercise of such Options is less than the Warrant Price, then such share
      of
      Common Stock shall be deemed to be outstanding and to have been issued and
      sold
      by the Company at the time of the granting or sale of such Option for such
      price
      per share. For purposes of this Section 4.6(a), the “lowest price per share for
      which one share of Common Stock is issuable upon exercise of any such Option”
shall be equal to the sum of the lowest amounts of consideration (if any)
      received by the Company with respect to any one share of Common Stock upon
      the
      granting or sale of the Option, upon exercise of the Option and upon conversion
      or exchange of any Convertible Security issuable upon exercise of such Option.
      No further adjustment of the Warrant Price shall be made upon the actual
      issuance of such Common Stock or of such Convertible Securities upon the
      exercise of such Options or upon the actual issuance of such Common Stock upon
      conversion or exchange of such Convertible Securities. Upon the expiration
      or
      termination of any unexercised Option, such Warrant Price shall be readjusted
      to
      such amount as would have been obtained had the adjustment made upon the
      granting or issuance of such Option been made based upon the issuance of only
      the number of shares of Common Stock actually issued on exercise of such Option.
      Notwithstanding the foregoing, no adjustment shall be made pursuant to this
      Section 4.6(a) to the extent that such adjustment is based solely on the fact
      that the Convertible Securities issuable upon exercise of such Option are
      convertible into or exchangeable for Common Stock at a price which varies with
      the market price of the Common Stock. 

     

    (b) Issuance
      of Convertible Securities.
      If the
      Company in any manner issues or sells any stock or securities (other than
      Options) directly or indirectly convertible into or exchangeable for Common
      Stock (“Convertible
      Securities”)
      and
      the lowest price per share for which one share of Common Stock is issuable
      upon
      the conversion or exchange thereof is less than the Warrant Price, then such
      share of Common Stock shall be deemed to be outstanding and to have been issued
      and sold by the Company at the time of the granting or sale of such Convertible
      Securities for such price per share. For purposes of this Section 4.6(b), the
      “lowest price per share for which one share of Common Stock is issuable upon
      conversion or exchange” shall be equal to the sum of the lowest amounts of
      consideration (if any) received by the Company with respect to any one share
      of
      Common Stock upon the conversion or exchange of such Convertible Securities,
      and
      if any such issuance or sale of such Convertible Securities is made upon
      exercise of any Options for which adjustment of the Warrant Price has been
      or
      are to be made pursuant to other provisions of this Section 4, no further
      adjustment of the Warrant Price shall be made by reason of such issuance or
      sale. Upon the expiration of any rights of conversion or exchange under such
      Convertible Securities, such Warrant Price shall be readjusted to such amount
      as
      would have obtained had the adjustment made upon the granting or issuance of
      such Convertible Securities been made based upon the issuance of only the number
      of shares of Common Stock actually issued on conversion of such Convertible
      Securities. Notwithstanding the foregoing, no adjustment shall be made pursuant
      to this Section 4.6(b) to the extent that such adjustment is based solely on
      the
      fact that such Convertible Securities are convertible into or exchangeable
      for
      Common Stock at a price which varies with the market price of the Common
      Stock.

     

    
      
         

      

      
        5

        
          

        

      

      
         

      

    

    (c) Change
      in Option Price or Rate of Conversion.
      If the
      purchase price provided for in any Options, the additional consideration, if
      any, payable upon the issuance, conversion or exchange of any Convertible
      Securities, or the rate at which any Convertible Securities are convertible
      into
      or exchangeable for Common Stock changes at any time, the Warrant Price in
      effect at the time of such change shall be adjusted to the Warrant Price which
      would have been in effect at such time had such Options or Convertible
      Securities provided for such changed purchase price, additional consideration
      or
      changed conversion rate, as the case may be, at the time initially granted,
      issued or sold and the number of shares of Common Stock acquirable hereunder
      shall be correspondingly readjusted. For purposes of this Section 4.6(c), if
      the
      terms of any Option or Convertible Security that was outstanding as of the
      date
      of issuance of this Warrant are changed in the manner described in the
      immediately preceding sentence, then such Option or Convertible Security and
      the
      Common Stock deemed issuable upon exercise, conversion or exchange thereof
      shall
      be deemed to have been issued as of the date of such change.

     

    4.7
      Notice
      of Adjustments.
      The
      Company shall promptly give written notice of each adjustment or readjustment
      of
      the Warrant Price or the number of shares of Common Stock or other securities
      issuable upon exercise of this Warrant. The notice shall describe the adjustment
      or readjustment and show in reasonable detail the facts on which the adjustment
      or readjustment is based.

     

    4.8
      No
      Change Necessary.
      The
      form of this Warrant need not be changed because of any adjustment in the
      Warrant Price or in the number of shares of Common Stock issuable upon its
      exercise.

     

    4.9
      Reservation
      of Stock.
      The
      Company shall at all times reserve and keep available, solely for the issuance
      and delivery upon the exercise of this Warrant, such shares of Common Stock
      and
      other stock, securities and property, as from time to time shall be issuable
      upon the exercise of this Warrant. If at any time the number of shares of Common
      Stock or other securities issuable upon exercise of this Warrant shall not
      be
      sufficient to effect the exercise of this Warrant, the Company will take such
      corporate action as may, in the opinion of its counsel, be necessary to increase
      its authorized but unissued shares of Common Stock or other securities issuable
      upon exercise of this Warrant as shall be sufficient for such purpose. All
      shares of Common Stock issued upon exercise of the Warrant shall be validly
      issued, fully paid and nonassessable.

     

    
      
         

      

      
        6

        
          

        

      

      
         

      

    

    4.10 Limitation
      of Adjustments.
      Notwithstanding
      the foregoing, under no circumstances will the effective Warrant Price, as
      the
      case may be, be reduced pursuant to Section 4.5 hereof below $0.001 per share
      (as may be adjusted pursuant to Sections 4.1, 4.2, 4.3 and 4.4 hereof).
Notwithstanding
      anything to the contrary herein, in no event shall an adjustment pursuant to
      Section 4.5 or Section 4.6 to this Warrant and the other warrants issued
      pursuant to the Purchase Agreement (together with this Warrant, the “Warrants”)
      result in the Warrants being exercisable for a number of shares of Common Stock,
      when combined with the shares of Common Stock issued pursuant to the Purchase
      Agreement, in excess of the number of shares of Common Stock permitted to be
      issued pursuant to the 20% limitation in Rule 4350(i) of the Nasdaq Stock
      Market, Inc. without the prior approval of the Company’s stockholders. The
      foregoing limitation on the number of shares of Common Stock for which the
      Warrants are exercisable prior to such stockholder approval shall be applied
      pro
      rata among the outstanding Warrants. If the exercise of one or more Warrants
      would result in the issuance of shares of Common Stock requiring such
      stockholder approval, the Company shall use reasonable commercial efforts to
      obtain such approval as is necessary to permit such issuance. 

     

    5.
       REDEMPTION.
      

     

    5.1
      At any
      time after the later of (i) the date which is twenty-four (24) months from
      the
      date hereof and (ii) the date when there is a currently effective registration
      statement registering the resale of the Warrant Shares as contemplated by the
      Registration Rights Agreement dated as of the date hereof executed by the
      Company and the Holder (the “Registration
      Rights Agreement”
and
      such registration statement, the “Registration
      Statement”)
      and
      prior to the exercise of this Warrant:

     

    (a) This
      Warrant may be redeemed, at the option of the Company, on a date fixed by the
      Company for redemption (the “Redemption
      Date”),
      which
      Redemption Date shall not be less than twenty (20) days after the mailing of
      the
      notice of redemption referred to below, at a redemption price of $0.01 per
      Warrant, provided the Market Price (as defined below) of the Common Stock
      issuable upon exercise of this Warrant shall exceed 150% of the Warrant Price
      for a period of twenty (20) out of thirty (30) consecutive trading days ending
      no more than fifteen (15) days prior to the date of the notice of redemption.
      Notwithstanding the foregoing, the Company’s right to redeem this Warrant shall
      be ineffective if at any time during the period between the time the Company
      provides notice of redemption and prior to the Redemption Date, the Registration
      Statement ceases to remain effective.

     

    (b) If
      the
      conditions set forth in Section 5.1(a) are met, and the Company elects to
      exercise its right to redeem this Warrant, it shall mail a notice of redemption
      to the registered Holder of this Warrant, via facsimile, nationally recognized
      courier or first class mail, postage prepaid, not later than the twentieth
      (20th)
      day
      before the Redemption Date, at such last address as shall appear on the records
      maintained by the Company.

     

    
      
         

      

      
        7

        
          

        

      

      
         

      

    

    (c) The
      notice of redemption shall specify (i) the redemption price, (ii) the Redemption
      Date and (iii) that the right to exercise this Warrant shall terminate at 5:00
      P.M. (New York time) on the business day immediately preceding the Redemption
      Date. No failure to mail such notice nor any defect therein or in the mailing
      thereof shall affect the validity of the proceedings for such redemption except
      as to a registered Holder (A) to whom notice was not mailed or (B) whose notice
      was defective. An affidavit of the Secretary of the Company that notice of
      redemption has been mailed shall, in the absence of fraud, be prima facie
      evidence of the facts stated therein.

     

    (d) Any
      right
      to exercise this Warrant shall terminate at 5:00 P.M. (New York City time)
      on
      the business day immediately preceding the Redemption Date. On and after the
      Redemption Date, Holder of this Warrant shall have no further rights except
      to
      receive, upon surrender of this Warrant, the redemption price.

     

    (e) The
      term
“Market
      Price”
means
      the closing sale price of one share of the Company’s Common Stock on the NASDAQ
      Capital Market or other national securities exchange on which the shares are
      then listed or, if the Company’s Common Stock is not then traded on the NASDAQ
      Capital Market, the closing bid price on any national securities exchange or
      automated quotation system on which shares of the Company’s Common Stock are
      then quoted.

     

    6.NO
      RIGHTS OR LIABILITIES AS STOCKHOLDER.
      This
      Warrant does not by itself entitle the Holder to any voting rights or other
      rights as a stockholder of the Company. In the absence of affirmative action
      by
      the Holder to purchase Common Stock by exercise of this Warrant, no provisions
      of this Warrant, and no enumeration herein of the rights or privileges of the
      Holder, shall cause the Holder to be a stockholder of the Company for any
      purpose.

     

    7.
      NO
      IMPAIRMENT.
      The
      Company will not, by amendment of its certificate of incorporation or bylaws,
      or
      through reorganization, consolidation, merger, dissolution, issue or sale of
      securities, sale of assets or any other voluntary action, willfully 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 wrongful impairment. Without
      limiting the generality of the foregoing, the Company will take all such action
      as may be necessary or appropriate in order that the Company may duly and
      validly issue fully paid and nonassessable shares of Common Stock upon the
      exercise of this Warrant.

     

    8.
      TRANSFER.
      Neither
      this Warrant nor any rights hereunder may be assigned, conveyed or transferred,
      in whole or in part, without the Company’s prior written consent, which the
      Company may withhold in its sole discretion. The rights and obligations of
      the
      Company and the Holder under this Warrant shall be binding upon and benefit
      their respective permitted successors, assigns, heirs, administrators and
      transferees.

     

    
      
         

      

      
        8

        
          

        

      

      
         

      

    

    9.
      GOVERNING
      LAW.
      The
      internal laws of the State of Delaware (irrespective of its choice of law
      principles) will govern the validity of this Warrant, the construction of its
      terms, and the interpretation and enforcement of the rights and duties of the
      parties hereto.

     

    10.
      HEADINGS.
      The
      headings and captions used in this Warrant are used only for convenience and
      are
      not to be considered in construing or interpreting this Warrant. All references
      in this Warrant to sections and exhibits shall, unless otherwise provided,
      refer
      to sections hereof and exhibits attached hereto, all of which exhibits are
      incorporated herein by this reference.

     

    11.
      NOTICES.
      Any
      notice or other communication required or permitted to be given under this
      Warrant will be in writing, will be delivered personally or by registered or
      certified mail, postage prepaid and will be deemed given upon delivery, if
      delivered personally, or three days after deposit in the mails, if mailed,
      to
      the address indicated for the Holder on the signature page to this Warrant,
      or
      in the case of the Company, at One Penn Plaza, Suite 1503, New York, NY 10019,
      Attn: Chief Financial Officer, or at such other address as any party or the
      Company may designate by giving ten (10) days’ advance written notice to all
      other parties.

     

    12.
      AMENDMENT;
      WAIVER.
      This
      Warrant may be amended and provisions may be waived by the Company and the
      Holders entitled upon exercise to receive at least two thirds of the shares
      of
      Common Stock underlying the warrants issued pursuant to the Purchase Agreement.
      Any amendment or waiver effected in accordance with this Section shall be
      binding upon the Holder and each future holder of such securities, and the
      Company.

     

    13.
      SEVERABILITY.
      If any
      provision of this Warrant, or the application thereof, will for any reason
      and
      to any extent be invalid or unenforceable, the remainder of this Warrant and
      application of such provision to other persons or circumstances will be
      interpreted so as reasonably to effect the intent of the parties hereto. The
      parties further agree to replace such void or unenforceable provision of this
      Agreement with a valid and enforceable provision that will achieve, to the
      extent possible, the economic, business and other purposes of the void or
      unenforceable provision.

     

    14.
      TERMS
      BINDING.
      By
      acceptance of this Warrant, the Holder accepts and agrees to be bound by all
      the
      terms and conditions of this Warrant.

     

    [Signature
      Page Follows]

     

    
      
         

      

      
        9

        
          

        

      

      
         

      

    

    IN
      WITNESS WHEREOF,
      the
      parties hereto have executed this Warrant as of the date first above
      written.

     

    
      	
              THE
                COMPANY:

            	 
	 	 
	
              NEURO-HITECH,
                INC.

            	 
	 	 
	
              By:

            	 	 
	 	 	 
	
              Name:
                

            	
              David
                Barrett

            	 
	 	 	 
	
              Title:
                

            	
              Chief
                Financial Officer

            	 

    

    

    
      	
              HOLDER:

            	 
	 	 
	
                 
                

            	 
	 	 
	
              By:

            	 	 
	 	 	 
	
              Name:
                

            	 	 
	 	 	 
	
              Title:
                

            	 	 

    

    

    
      
         

      

      
        10

        
          

        

      

      
         

      

    

     

    EXHIBIT
      1

    

    FORM
      OF SUBSCRIPTION

    (To
      be
      signed only upon exercise of Warrant)

    

    To:
      Neuro-Hitech, Inc.

    

    (1) The
      undersigned Holder hereby elects to purchase ____________ shares of Common
      Stock
      of Neuro-Hitech, Inc. (the “Warrant
      Shares”),
      pursuant to the terms of the attached Warrant, and tenders herewith payment
      of
      the purchase price for such shares in full.

    

    (2) In
      exercising the Warrant, the undersigned Holder hereby confirms and acknowledges
      that the following representations are true and correct as of this
      date.

    

    a. Purchase
      Entirely for Own Account.
      The
      Warrant and the Common Stock issuable upon exercise of the Warrant are being
      acquired by Holder for investment for Holder’s own account, not as a nominee or
      agent, and not with a view to the resale or distribution in violation of law
      of
      any part thereof, and that Holder has no present intention of selling, granting
      any participation in or otherwise distributing the same. Holder further
      represent that he does not have any contract, undertaking, agreement or
      arrangement with any person to sell, transfer or grant participations to such
      person or to any third person, with respect to any of the securities issued
      or
      issuable hereunder.

     

    b. Disclosure
      of Information.
      Holder
      believes it has received all the information it considers necessary or
      appropriate for deciding whether to purchase the securities issued or issuable
      hereunder. Holder further represents that it has had an opportunity to ask
      questions and receive answers from the Company regarding the terms and
      conditions of the offering of the securities and the business, properties,
      prospects and financial condition of the Company.

     

    c. Investment
      Experience.
      Holder
      is an investor in securities of early stage companies and acknowledges that
      it
      is able to fend for itself, can bear the economic risk of its investment, and
      has such knowledge and experience in financial or business matters that it
      is
      capable of evaluating the merits and risks of the investment in the
      securities.

     

    d. Accredited
      Investor.
      Holder
      is an “accredited investor” within the meaning of SEC Rule 501 of Regulation D
      promulgated under the Securities Act, as presently in effect.

     

    e. Restricted
      Securities.
      Holder
      understands that the securities it is receiving are characterized as “restricted
      securities” under the federal securities laws inasmuch as they are being
      acquired from the Company in a transaction not involving a public offering
      and
      that under such laws and applicable regulations such securities may be resold
      without registration under the Securities Act only in certain limited
      circumstances. In the absence of an effective registration statement covering
      the securities (or the shares issuable on exercise of the Warrant) or an
      available exemption from registration under the Securities Act, the securities
      (and any Common Stock issued on exercise thereof) must be held indefinitely.
      In
      this connection, Holder represents that it is familiar with SEC Rule 144, as
      presently if effect, and understands the resale limitations imposed thereby
      and
      by the Securities Act, including without limitation the Rule 144 condition
      that
      current information about the Company be available to the public.

     

    f. Tax
      Advisors.
      Holder
      has reviewed with Holder’s own tax advisors the federal, state and local tax
      consequences of this investment. Holder is relying solely on such advisors
      and
      not on any statements or representations of the Company or any of its agents
      as
      to Holder’s tax liability and understands that Holder (and not the Company)
      shall be responsible for Holder’s own tax liability that may arise as a result
      of this investment.

    

    (3) Please
      issue a certificate or certificates representing such Warrant Shares in the
      name
      specified below:

    

    

    
      	 	
                 
                

            
	 	
              (Name)

            
	 	 
	 	
                
                

            
	 	
              (Address)

            
	 	 
	 	
                 
                

            
	 	
              (City,
                State, Zip Code)

            
	 	 
	 	
                 
                

            
	 	
              (Federal
                Tax Identification Number)

            
	 	 
	 	
                
                

            
	 	
              (Date)

            
	 	 

    

    [Signature
      Page Follows]

     

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    IN
      WITNESS WHEREOF,
      the
      Holder has executed this subscription as of the date above written.

     

    
      	
              HOLDER:

            	 
	 	 
	
              [____________________]

            	 
	 	 
	
              By:

            	 	 
	 	 	 
	
              Name:
                

            	 	 
	 	 	 
	
              Title:

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