Document:

THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS
WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED.
THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS
WARRANT MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN THE
ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT AS TO THIS WARRANT UNDER SAID ACT
OR ANY APPLICABLE STATE SECURITIES LAW OR AN OPINION OF COUNSEL REASONABLY
SATISFACTORY TO COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED, EXCEPT THAT
THESE SECURITIES MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OF
THE HOLDER WITH A REGISTERED BROKER-DEALER OR OTHER LOAN OF THE HOLDER WITH A
FINANCIAL INSTITUTION THAT IS AN "ACCREDITED INVESTOR" AS DEFINED IN RULE 501(a)
UNDER THE SECURITIES ACT

               VOID AFTER 5 P.M. PACIFIC TIME ON FEBRUARY 16, 2009

                        WARRANTS TO PURCHASE COMMON STOCK

No. MSW-D-                                                          [ ] Warrants

                            Milestone Scientific Inc.

THIS CERTIFIES THAT:

                                     [name]

or registered assigns, is the registered holder of the number of Warrants
("Warrants") set forth above. Each Warrant, unless and until redeemed by the
Company as provided in the Warrant Agreement, hereinafter more fully described
(the "Warrant Agreement") entitles the holder thereof to purchase from Milestone
Scientific Inc., a corporation incorporated under the laws of the State of
Delaware (the "Company"), subject to the terms and conditions set forth
hereinafter and in the Warrant Agreement, at any time before the close of
business on February 16, 2009 ("Expiration Date"), one fully paid and
non-assessable share of Common Stock, par value $0.001 per share, of the Company
("Common Stock") upon presentation and surrender of this Warrant Certificate,
with the instructions for the registration and delivery of Common Stock filled
in, at the offices of the Company, 230 South Orange Avenue, Livingston, New
Jersey 07039, and upon payment of the Exercise Price (as defined in the Warrant
Agreement) and any applicable taxes paid either in cash, or by certified or
official bank check, payable in lawful money of the United States of America to
the order of the Company. Each Warrant initially entitles the holder to purchase
one share of Common Stock for $4.89. The number and kind of securities or other
property for which the Warrants are exercisable are subject to adjustment in
certain events, such

as mergers, splits, stock dividends, splits and the like, to prevent dilution.
The Company may redeem any or all outstanding and unexercised warrants by giving
not less than 30 days prior notice at any time after the closing price of the
Common Stock on the principal exchange on which it is traded has equaled or
exceeded $6.52 per share for any five consecutive trading days; provided that
the shares of Common Stock underlying the Warrants are saleable pursuant to an
effective registration statement under the Securities Act of 1933 at all times
from the commencement of the five trading day period through the date of
redemption. The Redemption Price is $0.25 per Warrant (subject to adjustment in
the event of a stock split, dividend or the like). All Warrants not theretofore
exercised will expire on the Expiration Date.

         This Warrant, although not issued pursuant to the Warrant Agreement,
is, nevertheless, subject to all of the terms, provisions and conditions of the
Warrant Agreement, dated as of February 17, 2004, between the Company and the
Warrant Agent, to all of which terms, provisions and conditions the registered
holder of this Warrant Certificate consents by acceptance hereof. The Warrant
Agreement is incorporated herein by reference and made a part hereof and
reference is made to the Warrant Agreement for a full description of the rights,
limitations of rights, obligations, duties and immunities of the Warrant Agent,
the Company and the holders of the Warrant Certificates. Copies of the Warrant
Agreement are available upon written request addressed to the Company at
Milestone Scientific Inc., 220 South Orange Ave., Livingston, New Jersey 07039,
Attention: Chairman.

         The Company shall not be required upon the exercise of the Warrants
evidenced by this Warrant Certificate to issue fractions of Warrants, Common
Stock or other securities, but shall make adjustment therefor in cash on the
basis of the current market value of any fractional interest as provided in the
Warrant Agreement.

         In certain cases, the sale of securities by the Company upon exercise
of Warrants may violate the securities laws of the United States, certain states
thereof or other jurisdictions. The Company has agreed to use all commercially
reasonable efforts to cause a registration statement to continue to be effective
during the term of the Warrants with respect to such sales under the Securities
Act of 1933, and to take such action under the laws of various states as may be
required to cause the sale of securities upon exercise to be lawful. However,
the Company will not be required to honor the exercise of Warrants if, in the
opinion of the Board of Directors, upon advice of counsel, the sale of
securities upon such exercise would be unlawful. In certain cases, the Company
may, but is not required to, purchase Warrants submitted for exercise for a cash
price equal to the difference between the market price of the securities
obtainable upon such exercise and the exercise price of such Warrants.

         This Warrant Certificate, with or without other Certificates, upon
surrender to the Warrant Agent, any successor warrant agent or, in the absence
of any successor warrant agent, at the corporate offices of the Company, may be
exchanged for another Warrant Certificate or Certificates evidencing in the
aggregate the same number of Warrants as the Warrant Certificate or Certificates
so surrendered. If the Warrants evidenced by this Warrant Certificate shall be
exercised in part, the holder hereof shall be entitled to receive upon surrender
hereof another Warrant Certificate or Certificates evidencing the number of
Warrants not so exercised.

         No holder of this Warrant Certificate, as such, shall be entitled to
vote, receive dividends or be deemed the holder of Common Stock or any other
securities of the Company which may at any time be issuable on the exercise
hereof for any purpose whatsoever, nor shall anything contained in the Warrant
Agreement or herein be construed to confer upon the holder of this Warrant
Certificate, as such, any of the rights of a stockholder of the Company or any
right to vote for the election of directors or upon any matter submitted to
stockholders at any meeting thereof or give or withhold consent to any corporate
action (whether upon any matter submitted to stockholders at any meeting
thereof, or give or withhold consent to any merger, recapitalization, issuance
of stock, reclassification of stock, change of par value or change of stock to
no par value, consolidation, conveyance or otherwise) or to receive notice of
meetings or other actions affecting stockholders (except as provided in the
Warrant Agreement) or to receive dividends or subscription rights or otherwise
until the Warrants evidenced by this Warrant Certificate shall have been
exercised and the Common Stock purchasable upon the exercise thereof shall have
become deliverable as provided in the Warrant Agreement.

         If this Warrant Certificate shall be surrendered for exercise within
any period during which the transfer books for the Company's Common Stock or
other class of stock purchasable upon the exercise of the Warrants evidenced by
this Warrant Certificate are closed for any purpose, the Company shall not be
required to make delivery of certificates for shares purchasable upon such
transfer until the date of the reopening of said transfer books.

         Every holder of this Warrant Certificate by accepting the same consents
and agrees with the Company, the Warrant Agent, and with every other holder of a
Warrant Certificate that:

         (a) this Warrant Certificate is transferable on the registry books of
the Warrant Agent only upon the terms and conditions set forth in the Warrant
Agreement, and

         (b) the Company and the Warrant Agent may deem and treat the person in
whose name this Warrant Certificate is registered as the absolute owner hereof
(notwithstanding any notation of ownership or other writing thereon made by
anyone other than the Company or the Warrant Agent) for all purposes whatsoever
and neither the Company nor the Warrant Agent shall be affected by any notice to
the contrary. The Company shall not be required to issue or deliver any
certificate for shares of Common Stock or other securities upon the exercise of
Warrants evidenced by this Warrant Certificate until any tax which may be
payable in respect thereof by the holder of this Warrant Certificate pursuant to
the Warrant Agreement shall have been paid, such tax being payable by the holder
of this Warrant Certificate at the time of surrender.

         This Warrant Certificate shall not be valid or obligatory for any
purpose until it shall have been countersigned by the Warrant Agent.

      (Remainder of page intentionally left blank; signature page follows)

         WITNESS the facsimile signatures of the proper officers of the Company
and its corporate seal.

Dated: _______________

                                          MILESTONE SCIENTIFIC INC.

                                          By:
                                             -----------------------------------
                                               Name: Leonard Osser
                                               Title: Chairman and Chief
                                                      Executive Officer

                                          Attest:
                                                 -------------------------------
                                                    Assistant SecretaryMILESTONE SCIENTIFIC INC.

                             STOCK OPTION AGREEMENT

                                                         Dated: December 6, 2004

         Milestone Scientific Inc. a Delaware corporation (the "COMPANY"),
grants to Mark Hochman (the "Optionee"), a stock option to purchase a total of
16,666 shares of the Company's Common Stock, par value $.001 per share, at the
price of $1.77 per share on the terms and conditions set forth herein.

         1.       DURATION.

                  This option shall expire five (5) years from the date hereof
(the "TERMINATION DATE").

         2.       CHARACTERIZATION OF OPTIONS.

                  Intentionally omitted

         3.       ANTI-DILUTION PROVISIONS.

                  (a) If there is any stock dividend, stock split, or
combination of shares of Common Stock of the Company, the number and amount of
shares then subject to this option shall be proportionately and appropriately
adjusted; no change shall be made in the aggregate purchase price to be paid for
all shares subject to this option, but the aggregate purchase price shall be
allocated among all shares subject to this option after giving effect to the
adjustment.

                  (b) If there is any other change in the Common Stock of the
Company, including recapitalization, reorganization, sale or exchange of assets,
exchange of shares, offering of subscription rights, or a merger or
consolidation in which the Company is the surviving corporation, an adjustment,
if any, shall be made in the shares then subject to this option as the Board of
Directors may deem equitable. Failure of the Board of Directors to provide for
an adjustment pursuant to this subparagraph prior to the effective date of any
Company action referred to herein shall be conclusive evidence that no
adjustment is required in consequence of such action.

                  (c) If the Company is merged into or consolidated with any
other corporation, or if it sells all or substantially all of its assets to any
other corporation, then either (i) the Company shall cause provisions to be made
for the continuance of this option after such event, or for the substitution for
this option of an option covering the number and class of securities which the
Optionee would have been entitled to receive in such merger or consolidation by
virtue of such sale if the Optionee had been the holder of record of a number of
shares of Common Stock of the Company equal to the number of shares covered by
the unexercised portion of this option, or (ii) the Company shall give to the
Optionee written notice of its election not to cause such provision to be made
and this option shall become exercisable in full (or, at the election of the
Optionee, in part) at any time during a period of 20 days, to be designated by
the Company, ending not more than 10 days prior to the effective date of the
merger, consolidation or sale, in which case this option shall not be
exercisable to any extent after the expiration of such 20-day period. In no
event, however, shall this option be exercisable after the Termination Date.

         4.       INVESTMENT REPRESENTATION; LEGEND ON CERTIFICATES; SPECIAL
                  RESTRICTION ON RESALE.

                  The Optionee agrees that until such time as a registration
statement under the Securities Act of 1933 becomes effective with respect to the
option and/or the stock, the Optionee is taking this option and will take the
stock underlying this option, for his own account, for investment and not with a
view to the resale or distribution thereof. The Company shall have the right to
place upon the face of any stock certificate or certificates evidencing shares
issuable upon the exercise of this option such legend as the Board of Directors
may prescribe for the purpose of preventing disposition of such shares in
violation of the Securities Act of 1933, as now or hereafter provided.

                                       2

         5.       NON-TRANSFERABILITY.

                  This option shall not be transferable by the Optionee other
than by will or by the laws of descent or distribution, and is exercisable
during the lifetime of the Optionee only by the Optionee.

         6.       CERTAIN RIGHTS NOT CONFERRED BY OPTION.

                  The Optionee shall not, by virtue of holding this option, be
entitled to any rights of a stockholder in the Company.

         7.       EXPENSES.

                  The Company shall pay all original issue and transfer taxes
with respect to the issuance and transfer of shares of Common Stock of the
Company pursuant hereto and all other fees and expenses necessarily incurred by
the Company in connection therewith.

         8.       EXERCISE OF OPTIONS.

                  (a) This option shall become exercisable in accordance with
its terms, as follows:

                  5,556   upon grant;

                  5,555   additional shares commencing one year after the date
                          of grant; and

                  5,555   additional shares commencing on the second anniversary
                          of the date of grant.

                  (b) An option shall be exercisable by written notice of such
exercise, in the form prescribed by the Board of Directors, to the Secretary or
Treasurer of the Company at its principal office. The notice shall specify the
number of shares for which the option is being exercised (which number, if less
than all of the shares then subject to exercise, shall be 50 or a multiple
thereof) and shall be accompanied by payment (i) in cash or by check in the
amount of the full exercise price of such options, or (ii) in such other manner
as the Board shall deem acceptable. No shares shall be delivered upon exercise
of any option until all laws, rules and regulations which the Board of Directors
may deem applicable have been complied with.

                                       3

                  (c) The person exercising an option shall not be considered a
record holder of the stock so purchased for any purpose until the date on which
he is actually recorded as the holder of such stock in the records of the
Company.

                  (d) In the event of death of the Optionee:

                      (i) during the term hereof, the option may be exercised,
at any time within twelve (12) months following the date of death, by the
Optionee's estate or by a person who acquired the right to exercise this option
by bequest or inheritance, but only to the extent of the right that would have
accrued had the Optionee continued living one (1) month after the date of death.
Notwithstanding the provisions of this Section (d), in no event shall this
option be exercisable after the Termination Date.

         9.    Nothing herein shall be deemed to create any employment
agreement or guaranty of continued employment or limit in any way the Company's
right to terminate Optionee's employment arrangement at any time.

                            MILESTONE SCIENTIFIC INC.

                            By: /s/ Leonard Osser
                                --------------------------------
                                Leonard A. Osser, Chairman & CEO

Accepted as of the date
first set forth above.

Optionee:    /s/ Mark Hochman
          -------------------------

                                       4

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