Document:

Exhibit 10.27

                        SECURITIES SUBSCRIPTION AGREEMENT

                  THIS SECURITIES SUBSCRIPTION AGREEMENT, dated as of April____,
2003 ("Agreement"), is executed in reliance upon the exemption from registration
afforded by Rule 506 promulgated under Regulation D by the Securities and
Exchange Commission ("SEC"), under the Securities Act of 1933, as amended.
Capitalized terms used herein and not defined shall have the meanings given to
them in Rule 506 and Regulation D.

                  This Agreement has been executed and entered into by and
between Gregory Bartko, Esq., 3475 Lenox Road, Suite 400, Atlanta, Georgia 30326
("Buyer"), to purchase shares of the Class A preferred stock, par value $.001
per share ("Preferred Stock"), of Material Technologies, Inc., a corporation
organized under the laws of Delaware, with executive offices 11661 San Vicente
Boulevard, Suite 707, Los Angeles, California 90049 (the "Seller") at a purchase
price of $1.00 per share, with the aggregate purchase price equaling $39,000.
Buyer hereby represents and warrants to, and agrees with Seller:

                  THE SECURITIES OFFERED HEREBY HAVE NOT BEEN AND WILL NOT BE
                  REGISTERED WITH THE UNITED STATES SECURITIES AND EXCHANGE
                  COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE PURSUANT
                  TO AN EXEMPTION FROM REGISTRATION PROVIDED BY SECTION 3(b) OF
                  THE SECURITIES ACT OF 1933, AS AMENDED, AND THE RULES AND
                  REGULATIONS PROMULGATED THEREUNDER (THE "1933 ACT"), AND RULE
                  506 OF REGULATION D PROMULGATED THEREUNDER.

                  THE SECURITIES PURCHASED UNDER THIS AGREEMENT WILL BEAR A
                  RESTRICTIVE LEGEND REFLECTING THAT THE SHARES OF PREFERRED
                  STOCK THAT ARE THE SUBJECT OF THIS AGREEMENT ARE "RESTRICTED
                  SECURITIES" WITHIN THE DEFINITION OF REGULATION D OF THE 1933
                  ACT.

                  1.       Agreement to Subscribe; Purchase Price.

                  (a)      Agreement. This Agreement is entered into to for
purposes of memorializing the Buyer's subscription for the Seller's Class A
Preferred Stock, par value $.001 per share. The terms and conditions of this
Agreement shall supplement the terms and conditions of all previous Securities
Subscription Agreements.

                  (b)      Subscription. The undersigned Buyer hereby subscribes
for and agrees to purchase the Seller's Class A Preferred Stock, par value $.001
per share, in the amount of 39,000 shares at a price of $1.00 per share for a
total aggregate purchase price of $39,000 ("Purchase Price"). The Class A
Preferred Stock shall have the rights, preferences and limitations set forth in
Section 3(b) of this Amendment Agreement.

                  (b)      Payment. The Purchase Price for the Preferred Stock
is acknowledged by the Seller to have previously been delivered to the Seller
prior to the date of this Agreement, against the delivery to the Buyer of duly
authorized shares of the Seller's Preferred Stock, in the amount set forth above
in Section 1(a) of this Agreement.

                  (c)      Closing. Subject to the satisfaction of the
conditions set forth in Sections 7, 8 and 11 below, the Closing of the
transactions contemplated by this Agreement shall take place ("Closing Date")
when (i) Seller delivers the Preferred Stock to the Buyer, (ii) Seller executes
this Agreement and any transaction documents, including appropriate resolutions
of its Board of Directors, and (iii) Buyer pays the Purchase Price for the
Preferred Stock as shown in Section 1(a) of this Agreement.

                  2.       Buyer Representations and Covenants; Access to
                           Information

                  In connection with the purchase and sale of the Preferred
Stock, Buyer represents and warrants to, and covenants and agrees with Seller as
follows:

                  (a)      Buyer is not, and on the closing date will not be, an
affiliate of Seller;

                  (b)      Buyer is an "accredited investor" as defined in Rule
501 of Regulation D promulgated under the 1933 Act, and is purchasing the
Preferred Stock for his own account and Buyer is qualified to purchase the
Preferred Stock Shares under the laws of the State of California

                  (c)      All offers and sales of any of the Preferred Stock by
Buyer shall be made in compliance with any applicable securities laws of any
applicable jurisdiction and in accordance with Rule 506, as applicable, of
Regulation D or pursuant to registration of securities under the 1933 Act or
pursuant to an exemption from registration;

                  (d)      Buyer understand that the Preferred Stock is not
registered under the 1933 Act and is being offered and sold to in reliance on
specific exemptions from the registration requirements of Federal and State
securities laws, and that Seller is relying upon the truth and accuracy of the
representations, warranties, agreements, acknowledgments and understandings of
Buyer set forth herein in order to determine the applicability of such
exemptions and the suitability of Buyer to acquire the Preferred Stock;

                  (e)      Buyer shall comply with Rule 506 promulgated under
Regulation D;

                  (f)      Buyer has the full right, power and authority to
enter into this Agreement and to consummate the transaction contemplated herein.
This Agreement has been duly authorized, validly executed and delivered on
behalf of Buyer and is a valid and binding agreement in accordance with its
terms, subject to general principles of equity and to bankruptcy or other laws
affecting the enforcement of creditors' rights generally;

                  (g)      As to any Buyer that is a corporations, the execution
and delivery of this Agreement and the consummation of the purchase of the
Preferred Stock and the transactions contemplated by this Agreement do not and
will not conflict with or result in a breach by Buyer of any of the terms or
provisions of, or constitute a default under, the articles of incorporation or
by-laws (or similar constitutive documents) of Buyer or any indenture, mortgage,
deed of trust, or other material agreement or instrument to which Buyer is a
party or by which it or any of its properties or assets are bound, or any
existing applicable law, rule or regulation of the United States or any State
thereof or any applicable decree, judgment or order of any Federal or State
court, Federal or State regulatory body, administrative agency or other United
States governmental body having jurisdiction over Buyer or any of its properties
or assets;

                  (h)      All invitations, offers and sales of or in respect
of, any of the Preferred Stock, by Buyer and any distribution by Buyer of any
documents relating to any invitation, offer or sale by them of any of the
Preferred Stock will be in compliance with applicable laws and regulations, will
be made in such a manner that no prospectus need be filed and no other filing
need be made by Seller with any regulatory authority or stock exchange in any
country or any political sub-division of any country, and Buyer will make no
misrepresentations nor omissions of material fact in the invitation, offer or
resale of the Preferred Stock;

                  (i)      The Buyer (or others for whom it is contracting
hereunder) has been advised to consult his own legal and tax advisors with
respect to applicable resale restrictions and applicable tax considerations and
he (or others for whom it is contracting hereunder) is solely responsible (and
the Seller is not in any way responsible) for compliance with applicable resale
restrictions and applicable tax legislation;

                  (j)      Buyer understands that no Federal or State or foreign
government agency has passed on or made any recommendation or endorsement of the
Preferred Stock;

                  (k)      Buyer has had an opportunity to receive and review
all material information and financial data and to discuss with the officers of
Seller, all matters relating to the securities, financial condition, operations
and prospects of Seller and any questions raised by Buyer has been answered to
Buyer's satisfaction.

                  (l)      Buyer acknowledges that the purchase of the Preferred
Stock involves a high degree of risk. Buyer has such knowledge and experience in
financial and business matters that he is capable of evaluating the merits and
risks of purchasing the Preferred Stock. Buyer understands that the Preferred
Stock is not being registered under the 1933 Act, or under any state securities
laws, and therefore Buyer must bear the economic risk of this investment for an
indefinite period of time;

                  (m)      The Buyer is not a "10-percent Shareholder" (as
defined in Section 871(h)(3)(B) of the U.S. Internal Revenue Code) of Seller;
and

                  (n)      Buyer acknowledges and agrees that the transactions
contemplated by this Agreement have taken place solely and exclusively within
the State of California.

                  3.       Seller Representations and Covenants.

                  (a)      Seller is a corporation duly organized and validly
existing under the laws of the State of Delaware and is in good standing under
such laws with its principal executive office located in the State of
California. The Seller has all requisite corporate power and authority to own,
lease and operate its properties and assets, and to carry on its business as
presently conducted. The Seller is qualified to do business as a foreign
corporation in each jurisdiction in which the ownership of its property or the
nature of its business requires such qualification, except where failure to so
qualify would not have a material adverse effect on the Seller.

                  (b)      There are 400,000,000 shares of Seller's Common
Stock, $.001 par value per share ("Common Stock") authorized and approximately
137,283,905 outstanding as of the date of this Agreement and there are
50,000,000 shares of Seller's Preferred Stock, $.001 par value per share
("Preferred Stock") authorized and approximately 11,575,000 outstanding as of
that same date. All issued and outstanding shares of our Common and Preferred
Stock have been authorized and validly issued and are fully paid and
non-assessable. The Class A Preferred Stock shall be convertible, at the Buyer's
election, into a predetermined number of shares of Common Stock, calculated by
multiplying the number of Shares of Class A Preferred Stock purchased by the
Buyer by 2. After conversion, the Seller shall deliver replacement Common Stock
certificates to the Buyer within 10 business days after written notice of
conversion is sent to the Seller's address by the Buyer. Upon receipt of the
Common Stock certificates after conversion, the Class A Preferred Stock shall be
canceled on the stock transfer records maintained by the Seller's stock transfer
agent. The Class A Preferred Stock subscribed hereby also shall carry cash
dividend rights equal to a 10% cumulative dividend per annum, subordinated to
any other dividend rights held by the Seller's outstanding shares of Class A
Preferred Stock (the "Dividends"), with such Dividends being payable only out of
the Seller's earnings before interest, taxes, depreciation and administrative
expenses of the Seller ("EBIDTA").

                  (c)      The execution and delivery of this Agreement do not,
and the consummation of the transactions contemplated hereby will not, conflict
with, or result in any violation of, or default (with or without notice or lapse
of time, or both), or give rise to a right of termination, cancellation or
acceleration of any obligation or to a loss of a material benefit, under, any
provision of the Articles of Incorporation, and any amendments thereto, By-Laws,
Stockholders Agreements and any amendments thereto of the Seller or any material
mortgage, indenture, lease or other agreement or instrument, permit, concession,
franchise, license, judgment, order, decree, statute, law ordinance, rule or
regulation applicable to the Seller, its properties or assets. There is no
action, suit or proceeding pending, or to the knowledge of the Seller,
threatened against the Seller, before any court or arbitrator or any government
body, agency or official, which would have a material adverse affect on Seller's
operations or financial condition.

                  (d)      The Seller is subject to the reporting requirements
of Sections 13 or 15(d) of the Securities and Exchange Act. The Preferred Stock
when issued, will be issued in compliance with all applicable U.S. federal and
state securities laws. The execution and delivery by the Seller of this
Agreement and the issuance of the Preferred Stock will not contravene or
constitute a default under any provision of applicable law or regulation. The
Seller is in compliance with and conforms with, and will continue to comply with
and conform with, all securities laws, state and federal, ordinances, rules,
regulations, orders, restrictions and all other legal requirements of any
domestic or foreign government or any instrumentality thereof having
jurisdiction over the conduct of its businesses or the ownership of its
properties, including but not limited to all laws concerning investor relations,
public relations, disclosures under the securities laws and broker-dealers
statutes and laws.

                  (e)      There is no material fact known to the Seller that
has not been publicly disclosed by the Seller or disclosed in writing to the
Buyer which could reasonably be expected to have a material adverse effect on
the condition (financial or otherwise) or on the earnings, business affairs,
properties or assets of the Seller, or could reasonably be expected to
materially and adversely affect the ability of the Seller to perform its
obligations pursuant to this Agreement. The information furnished by the Seller
to Buyer for purposes of or in connection with this Agreement or any transaction
contemplated hereby does not contain any untrue statement of a material fact or
omit to state a material fact necessary in order to make the statements
contained therein, in light of the circumstances under which they are made, not
misleading.

                  (f)      No consent, approval or authorization of or
designation, declaration or filing with any governmental authority on the part
of the Seller is required in connection with the valid execution and delivery of
this Agreement, or the offer, sale or issuance of the Preferred Stock or
Preferred Stock, or the consummation of any other transaction contemplated
hereby, except the filing with the SEC and certain other states of a Form D
Notice of Sale of Securities.

                  (g)      There is no action, proceeding or investigation
pending, or to the Seller's knowledge, threatened, against the Seller which
might result, either individually or in the aggregate, in any material adverse
change in the business, prospects, conditions, affairs or operations of the
Seller. The Seller is not a party to or subject to the provisions of any order,
writ, injunction, judgment or decree of any court or government agency or
instrumentality. There is no action, suit proceeding or investigation by the
Seller currently pending or which the Seller intends to initiate. The SEC has
not issued any order suspending trading in the Seller's Preferred Stock and the
Seller is not under investigation by the SEC or the National Association of
Securities Dealers, and there are no proceedings pending or threatened before
either regulatory body.

                  (h)      There are no other material outstanding debt or
equity securities presently convertible into Preferred Stock.

                  (j)      The issuance, sale and delivery of the Preferred
Stock has been duly authorized by all required corporate action on the part of
the Seller, and when issued, sold and delivered in accordance with the terms
hereof and thereof for the consideration expressed herein and therein, will be
duly and validly issued, fully paid and non-assessable. There are no pre-emptive
rights of any shareholder of Seller.

                  (k)      This Agreement has been duly authorized, validly
executed and delivered on behalf of Seller and is a valid and binding agreement
in accordance with its terms, subject to general principles of equity and to
bankruptcy or other laws affecting the enforcement of creditors' rights
generally. The Seller has all requisite right, power and authority to execute
and deliver this Agreement and to consummate the transactions contemplated
hereby. All corporate action on the part of the Seller, its directors and
shareholders necessary for the authorization, execution, delivery and
performance of this Agreement and the Preferred Stock has been taken. Upon their
issuance to the Buyer, the Preferred Stock will be validly issued and
non-assessable, and will be free of any liens or encumbrances.

                  (l)      Seller acknowledges and agrees that the transactions
contemplated by this the Agreement have taken place solely and exclusively
within the State of California.

                  4.       Exemption; Reliance on Representations. Buyer
understands that the offer and sale of the Securities are not being registered
under the 1933 Act. Seller and Buyer are relying on the rules governing offers
and sales made pursuant to Rule 506 promulgated under Regulation D. The offer
and sale of the Shares are made solely within the State and jurisdiction of
California.

                  5.       Delivery Instructions. The Preferred Stock being
purchased hereunder shall be delivered to the Buyer, and the Purchase Price,
shall be delivered to the Seller.

                  6.       Conditions To Seller's Obligation To Sell. Seller's
obligation to sell the Preferred Stock is conditioned upon:

                  (a)      The receipt and acceptance by Seller of this
Agreement as executed by Buyer.

                  (b)      All of the representations and warranties of the
Buyer contained in this Agreement shall be true and correct on the Closing Date
with the same force and effect as if made on and as of the Closing Date. The
Buyer shall have performed or complied with all agreements and satisfied all
conditions on its part to be performed, complied with or satisfied at or prior
to the Closing Date.

                  (c)      No order asserting that the transactions contemplated
by this Agreement are subject to the registration requirements of the Act shall
have been issued, and no proceedings for that purpose shall have been commenced
or shall be pending or, to the knowledge of the Seller, be contemplated. No stop
order suspending the sale of the Preferred Stock or Preferred Stock shall have
been issued, and no proceedings for that purpose shall have been commenced or
shall be pending or, to the knowledge of the Seller, be contemplated.

                  7.       Conditions To Buyer' Obligation To Purchase. Buyer'
obligation to purchase the Preferred Stock is conditioned upon:

                  (a)      The confirmation of receipt and acceptance by Seller
of this Agreement as evidenced by execution of this Agreement by a duly
authorized officer of Seller.

                  (b)      Delivery of the Preferred Stock to the Buyer.

                  8.       Miscellaneous.

                  (a)      Entire Agreement. This Agreement, constitutes the
entire agreement between the parties, and neither party shall be liable or bound
to the other in any manner by any warranties, representations or covenants
except as specifically set forth herein. Any previous agreement among the
parties related to the transactions described herein is superseded hereby. The
terms and conditions of this Agreement shall inure to the benefit of and be
binding upon the restrictive successors and assigns of the parties hereto.
Nothing in this Agreement, express or implied, is intended to confer upon any
party, other than the parties hereto, and their respective successors and
assigns, any rights, remedies, obligations or liabilities under or by reason of
this Agreement, except as expressly provided herein.

                  (b)      Survival. All representations and warranties
contained in this Agreement by Seller and Buyer shall survive the closing of the
transactions contemplated by this Agreement.

                  (c)      Governing Law. This Agreement shall be construed in
accordance with the laws of California applicable to contracts made and wholly
to be performed within the State of California and shall be binding upon the
successors and assigns of each party hereto. Buyer and Seller hereby mutually
waive trial by jury and consent to exclusive jurisdiction and venue in the
courts of the State of California. At the Buyer's sole election, any dispute
between the parties may be arbitrated rather than litigated in the courts,
before the arbitration board of the American Arbitration Association in Los
Angeles, California and pursuant to its rules. Upon demand made by the Buyer to
the Seller, such Seller agrees to submit to and participate in such arbitration.
This Agreement may be executed in counterparts, and the facsimile transmission
of an executed counterpart to this Agreement shall be effective as an original.

                  (d)      Seller Indemnification. Seller agrees to indemnify
and hold Buyer harmless from any and all claims, damages and liabilities arising
from Seller's breach of its representations and/or covenants set forth herein.

                  (e)      Buyer' Indemnification. Buyer agrees to ndemnify and
hold Seller harmless from any and all claims, damages and liabilities arising
from Buyer' breach of their representations and warranties set forth in this
Agreement.

                  (f)      Form D. If required, Seller shall filed a Form D with
the Commission and all filings required by the applicable securities regulatory
agencies upon the Closing of this transaction.

                  (g)      Notices. All notices, requests, consents and other
communications hereunder shall be in writing, shall be delivered by hand or sent
by Fedex for next day delivery. Each such notice or other communication shall
for all purposes of Agreement be treated as effective or having been given when
delivered, if delivered personally, or, if sent by overnight express mail
service, 1 day after the same has been deposited with the Fedex. All such
notices must also be sent by facsimile on the same day to the parties as
follows:

If to Seller:              Material Technologies,Inc.
                           11661 San Vicente Boulevard, Suite 707
                           Los Angeles, California  90049
                           Attn: Robert M. Bernstein, CEO and President
                           Fax: 310-473-3177

If to Buyer:               See Page 1 of this Agreement

                  (i)      Counterparts. This Agreement may be executed in one
or more counterparts, each of which shall be deemed to be an original, but all
of which together shall constitute one and the same instrument.

                  IN WITNESS WHEREOF, the undersigned has executed this Amended
Agreement as of the date first set forth above.

                     [Signatures Continue on Following Page]

                          Official Signatory of Seller:

                           MATERIAL TECHNOLOGIES, INC.

                 By: __________________________________________
                 Title: President and Chief Executive Officer

                               Signatory of Buyer:

                 By:
                    Gregory Bartko, Esq.Exhibit 10.28

THE WARRANTS REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933 OR APPLICABLE STATE SECURITIES LAWS. SUCH WARRANTS WERE
ACQUIRED FOR INVESTMENT AND MAY NOT BE SOLD, TRANSFERRED, PLEDGED, OR
HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR SUCH
WARRANTS UNDER THE SECURITIES ACT OF 1933 AND APPLICABLE STATE SECURITIES LAWS,
UNLESS, IN THE OPINION OF COUNSEL (WHICH SHALL BE REASONABLY SATISFACTORY TO THE
COMPANY), THE TRANSFER WILL VIOLATE THE REGISTRATION REQUIREMENTS OF FEDERAL OR
APPLICABLE STATE SECURITIES LAWS.

                           MATERIAL TECHNOLOGIES, INC.

                          COMMON STOCK PURCHASE WARRANT

                    Certificate Evidencing Right to Purchase

                                 175,000 Shares

                                       Of

                    Common Stock, par value $.0001 per share

This Is To Certify That, Miles Wilson is entitled to purchases from Material
Technologies, Inc., ("Company") up to 175,000 shares of the Company's Common
Stock ("Shares") or the number of Shares as adjusted from rime in accordance
with this Warrant and at any time after February 1,1999 and until February
2,2002, (the "Expiration Date") at which time this Warrant shall expire. The
exercise price per Share shall be equal to $2.50 per Share, or the amount as
adjusted in accordance with this Warrant ("Exercise Price").

This Warrant shall expire on February 1,2002.

Certain Definitions. For a11 purposes of this Warrant, unless the context
otherwise requires, the following terms shall have the following respective
meanings.

        (a) "Additional Shares" shall mean all shares of common stock issued by
            the Company after the date of this Warrant.

        (b) "Share Equivalent" shall mean any Convertible Security or any
            warrant, option or other right to subscribe for or purchase any
            Additional Shares or any Convertible Security.

        (c) "Convertible Security" shall mean any security of the Company
            convertible into or by its terms exchangeable for Additional
            Shares.

Page 2
Stock Purchase Warrant

                        ARTICLE 1. Exercise of Warrants.

1.1 Manner of Exercise. Prior to the Expiration Date, this Warrant may be
exercised, in whole or in part, at any time or from time to time. To exercise,
the Holder shall deliver to the Company, (a) a written notice, in substantia11y
the form of the exercise Notice attached as Exhibit A, of such Holder's election
to exercise this Warrant, which sha11 be duly executed by the Holder, his duly
authorized agent. Or attorney, (b) a certified or bank cashiers check payable to
the order of the Company in an amo\p1t equal to the aggregate Exercise Price for
the number of warrant Shares being purchased, and (c) this Warrant The Company
shall, as promptly as practicable, execute and deliver or cause to be executed
and delivered, in accordance with such notice, a certificate or certificates
evidencing the aggregate number of Warrant Shares specified in such Notice. Such
certificate or certificates shall be deemed to have been issued, and such Holder
or other person so designated shall be deemed for a11 purposes to have become a
holder of record of such shares, as of the date the Notice is received by the
Company. If this Warrant is exercised only in part, the Company shall, at the
time of delivery of the certificate or certificates evidencing the Shares
specified in such Notice, deliver to the Holder a new Warrant evidencing the
rights to purchase the remaining Warrant Shares called for by this Warrant,
which new Warrant shall in all other respects be identical to this Warrant. The
company shall pay all expenses, taxes, and other charges payable in connection
with the issuance and delivery of stock certificates and new Warrants.

1.2 Fractional Shares. No fractional Shares will be issued in connection with
any purchase in accordance with this Warrant. In lieu of such fractional shares
the Company shall make a cash refund equal to the product of the applicable
fraction multiplied by the Exercise Price paid by the Holder for one Warrant
Share upon such exercise.

ARTICLE 2. Transfer. Subject to compliance with the Securities Act of 1933; as
amended (the "Securities Act"), this Warrant is transferable, in whole or in
part, at the offices of the Company by the Holder in person or by duly
authorized attorney, upon presentation of this Warrant certificate and an
Assignment, substantially in the form of Exhibit B hereto, properly completed
and executed.

ARTICLE 3. Adjustment of Exercise Price and Number of Warrant shares. The number
and kind of securities purchasable upon the exercise of this Warrant and the
Exercise Price shall be subject to adjustment from time to time upon the
happening of certain events as follows:

3.1. Reclassification. Consolidation or Merger. If (a) the outstanding
securities of the class issuable upon exercise of this Warrant are changed or
reclassified (other than as a result of a division, combination. increase, or
decrease in the number of such securities outstanding), or (b) if the Company is
consolidated or merged with or into another corporation (other than a merger
with another corporation in which the Company is the surviving corporation and
which does not result in any reclassification or change, other than a division
or combination of outstanding securities issuable upon the exercise of this
Warrant or an increase or decrease in the number of such securities
outstanding), or (c) if all or substantially all of the assets of the Company
are sold or transferred, the Company or such successor or purchasing
corporation, us the case may be, shall, without requiring any additional
consideration therefore, issue a new Warrants in exchange for this Warrant
providing that the Holder of this Warrant shall have the right to exercise such

Page 3
Stock Purchase Warrant

new Warrants upon terms not less favorable to the Holder than those then
applicable to this Warrant and to receive upon such exercise, in lieu of each
Share issuable upon exercise of this Warrant, the kind and amount of shares of
stock, other securities, money or property receivable upon such
reclassification, change, consolidation, merger, sale or transfer by the holder
of one share of Common Stock issuable upon exercise of this warrant had this
Warrant been exercised immediately prior to such reclassification, change,
consolidation, merger, sale or transfer. Such new Warrant shall provide for
adjustments which shall be as nearly equivalent as may be practicable to the
adjustments provided for in this Article 3 The Holder shall be entitled to the
benefits of the new warrant Immediately upon any such reclassification, change,
consolidation, merger, sale, or transfer, whether or not 8 certificate
evidencing such new warrant has been issued. The provisions of this Section 3.1
shall simi1aIiy apply to successive reclassifications, changes, consolidations,
mergers, sales and transfers.

3.2. Subdivision or Combination. If, while this Warrant remains out.1tanding and
unexpired, the Company subdivides or Combines its outstanding securities of the
class issuable upon exercise of this Warrant, the Exercise Price shall, in case
of subdivision, be proportionately reduced as of the effective date of such
subdivision, or shall be, in the case of combination, proportionately increased
as or the effective date of such combination.

3.3. Stock Dividends. If the Company at any time while this Warrant is
outstanding and unexpired pays a dividend or makes any other distribution on its
Shares payable in Shares, then the Exercise Price shall be adjusted, as of the
date of such payment or other distribution to that price determined by
multiplying the Exercise Price in effect immediately prior to such payment or
other distribution by a fraction (a) the numerator of which shall be the total
number of Shares outstanding immediately prior to such dividend or distribution,
and (b) the denominator of which shall be the total number of Shares outstanding
immediately after such dividend or distribution.

3.4. Liquidating Dividends, Etc. If the Company at any time while this Warrant is
outstanding and unexpired distributes its assets to the holders of its Shares as
a dividend in liquidation or partial liquidation or as return of Capital other
than as a dividend payable out of funds legally available for dividends under
the laws of the State of Delaware, the holder of this Warrant shall, upon
exercise, be entitled to receive, in addition to the number of Shares
receivable, and without payment of any additional consideration, a sum equal to
the amount of such assets as would have been payable to such holder as owner of
that number of Shares had such holder been the holder of record of such Common
Stock on the record date for such distribution and an appropriate provision
therefore shall be made a part of any such distribution.

3.5. Other Action Affecting Common Stock. If the Company shall take any action
affecting its Shares, other thal1811 action described in Sections 3.1 through
3.7, inclusive, which, in the opinion of the Board of Directors would have a
materially adverse effect upon the rights or the holder of this Warrant, the
Exercise Price shall be adjusted in such manner and at such time as the Board of
Directors may in good faith determine to be on the circumstances.

3.6. Adjustment of Number of Shares. Upon each adjustment in the Exercise Price
pursuant to any provision of this Article 3, the number of Shares purchasable
shall be adjusted, to the nearest whole share, to the product obtained by
multiplying such number of shares purchasable immediately prior to such
adjustment in the Exercise Price by a fraction, the numerator of which shall be
the Exercise Price immediately prior to such adjustment and the denominator of
which shall be the Exercise Price immediately thereafter.

Page 4
Stock Purchase Warrant

3.7. Notice of Adjustments. Whenever the Exercise Price shall be adjusted, the
Company shall make a certificate signed by its President or a Vice President and
by its Treasurer, Assistant Treasurer, Secretary or Assistant secretary setting
forth, in reasonable detail, the event requiring adjustment, the amount of
adjustment, the method of calculating such adjustment (including describing the
basis on which the Board of Directors made its determination), and the Exercise
Price after giving effect to such adjustment, and, promptly after each
adjustment, shall cause copies of such certificate to be mailed (by first class
mail postage prepaid) to the Holder. A determination of any adjustment to the
Exercise Price or the Number or kind of shares other securities issuable upon
exercise of this Warrant, made by independent certified public accountants
selected by the Company, shall be final and binding on ail parties.

                  ARTICLE 4. Further Covenants of the Company 

4.1. Warrant Shares. The Company covenants and agrees that all shares which may
be issued upon exercise of this Warrant, will, upon issuance, be duly and
validly issued, fully paid, non-assessable, and free from all taxes, liens, and
charges. The Company further covenants and agrees that during the period within
which the rights represented by this Warrant may be exercised, the Company mall
at all times have authorized, and reserved for the purpose of issue upon
exercise of the purchase rights evidenced by this Warrant, a sufficient number
of shares of its capital stock to provide for the exercise of the rights
represented by this Warrant.

4.2 Exchange of Warrants. Upon surrender for exchange or transfer of any warrant
certificate, properly endorsed to the Company, the Company at its expense will
promptly issue and deliver to or upon the order of the Holder a new Warrant
Certificate or certificates of like tenor, in the name of such Holder or as such
Holder may direct. Until transfer of this Warrant certificate on the books of
the Company, the Company may treat the registered Holder hereof as the owner for
all purposes.

4.3. Notice of Record Date. The Company shall give the Holder not less than ten
(10) days' prior notice of the fixing of a record date for the determining
stockholders entitled to any notice, distribution, or vote or for any other
purpose.

ARTICLE 5. Governing Law. This Warrant shall be governed by and construed in
accordance with the substantive law of the State of Delaware without giving
effect to the principles of Conflicts of laws thereof:

IN WITNESS WHEREOF, the Company has caused this Warrant certificate to be
executed on this 8 day of February 1999, by its proper corporate officers
thereunto duly authorized.

                                       MATERIAL TECHNOLOGIES, INC

                                       By: Robert M. Bernstein
                                           Robert M. Bernstein, President

Page 5
Stock Purchase Warrant

                                    EXHIBIT A

                                 EXERCISE NOTICE

                  (To be signed only upon exercise of Warrant)

         To Material Technologies, Inc.

         The undersigned, the Holder of the enclosed Warrant Certificate, hereby
         irrevocably elects to exercise the purchase right represented by such
         Warrant certificate to purchase there under, ______________________
         shares of the Common stock of Material Technologies, Inc. and here with
         makes payment to Material Technologies, Inc. of $_____________________
         therefore, and requests that a certificate or certificates for such
         shares be issued in the name of and delivered to the undersigned.

         Dated;_________________                    ____________________________
                                                    Print Name

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

                                                    Address:
                                                    ____________________________

                                                    ____________________________

                                                    ____________________________

                                                    Taxpayer Identification Number:

                                                    ____________________________

         */ Insert the number of shares called for on the face of the Warrant
         Certificate or, in the case of a partial exercise, the portion
         therefore as to which the Warrant is being exercised, in either case
         without making any adjustment for any stock or other securities or
         property or cash which, pursuant to the adjustment provisions of the
         Warrant, may be deliverable upon exercise.

Page 6
Stock Purchase Warrant

                                    EXHIBIT B

                               FORM OF ASSIGNMENT

                  (To be signed only upon transfer of Warrant)

        For value received, the undersigned hereby sells, assigns and transfers
        to_______________________ the right represented by the attached Warrant
        Certificate to purchase,_______________________Warrant Shares of
        Material Technologies, Inc., as defined in the Warrant Agreement with
        full power of substitution.

         Dated;_________________                    ____________________________
                                                    Print Name

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

                                                    Address:
                                                    ____________________________

                                                    ____________________________

                                                    ____________________________

                                                    Taxpayer Identification Number:

                                                    ____________________________

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