Document:

THIS WARRANT AND THE SECURITIES ISSUABLE UPON THE EXERCISE HEREOF HAVE
         NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR
         THE SECURITIES LAWS OF ANY STATE. THEY MAY NOT BE SOLD, OFFERED FOR
         SALE, PLEDGED, HYPOTHECATED, OR OTHERWISE TRANSFERRED WITHOUT (i) AN
         EFFECTIVE REGISTRATION STATEMENT RELATED THERETO, (ii) AN OPINION OF
         COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE COMPANY, THAT
         REGISTRATION IS NOT REQUIRED, (iii) RECEIPT OF A NO-ACTION LETTER FROM
         THE APPROPRIATE GOVERNMENTAL AUTHORITIES, OR (iv) OTHERWISE COMPLYING
         WITH THE PROVISIONS OF SECTION 7 OF THIS WARRANT.

                               IQ BIOMETRIX, INC.

                        WARRANT TO PURCHASE COMMON STOCK

         THIS CERTIFIES THAT, for value received pursuant to that certain
Purchase and Sale Agreement of even date herewith (the "Purchase Agreement"),
Special Equity IV, L.P. and its assigns (collectively, the "Holder") are
entitled to subscribe for and purchase up to 1,000,000 shares (as adjusted
pursuant to Section 3 hereof, the "Shares") of the fully paid and nonassessable
Common Stock of IQ Biometrix, Inc. (the "Company"), at the price of $1.00 per
share (such price and such other price as shall result, from time to time, from
the adjustments specified in Section 3 hereof is herein referred to as the
"Warrant Price"), subject to the provisions and upon the terms and conditions
hereinafter set forth. The term "Warrant" as used herein, shall include this
Warrant and any warrants issued upon transfer or partial exercise of this
Warrant unless the context clearly requires otherwise. 1. Term. The purchase
right represented by this Warrant is exercisable, in whole or in part, for the
number of Shares and at any time and from time to time during the exercise
period set forth below (each, an "Exercise Period") with respect to such number
of Shares (subject to adjustment pursuant to Section 3 hereof):

                    Number of Shares              Exercise Period

                         100,000          July 1 through July 31, 2003

                         150,000          August 1 through August 31, 2003

                         150,000          September 1 through September 30, 2003

                         150,000          October 1 through October 31, 2003

                         150,000          November 1 through November 30, 2003

                         150,000          December 1 through December 31, 2003

                         150,000          January 1 through January 31, 2004

2. Method of Exercise; Payment; Issuance of New Warrant. Subject to Section 1
hereof, the purchase right represented by this Warrant may be exercised by the
Holder by the surrender of this Warrant (with the notice of exercise
substantially in the form attached hereto as Exhibit A duly completed and
executed) at the principal office of the Company and by the payment to the
Company, by certified or bank check, or by wire transfer to an account
designated by the Company (a "Wire Transfer") of an amount equal to the then
applicable Warrant Price multiplied by the number of Shares then being
purchased, or by the delivery of that number of shares of Common Stock having a
current fair market value equal to the Warrant Price, which shares may be the
shares underlying the Warrant. The person or persons in whose name(s) any
certificate(s) representing the Shares shall be issuable upon exercise of this
Warrant shall be deemed to have become the holder(s) of record of, and shall be
treated for all purposes as the record holder(s) of the Shares represented
thereby (and such Shares shall be deemed to have been issued) immediately prior
to the close of business on the date or dates upon which this Warrant is
exercised. In the event of any exercise of the rights represented by this
Warrant, certificates for the shares of stock so purchased shall be delivered to
the holder hereof as soon as practicable and, if requested by the Holder, the
Company shall cause its transfer agent to deliver the certificate representing
Shares issued upon exercise of this Warrant to a broker or other person (as
directed by the holder exercising this Warrant) within the time period required
to settle any trade made by the Holder after exercise of this Warrant.
3. Adjustment of Warrant Price and Number of Shares. The number and kind of
securities purchasable upon the exercise of this Warrant and the Warrant Price
shall be subject to adjustment from time to time upon the occurrence of certain
events, as follows:
(a) Reclassification or Merger. In case of any reclassification or change of
securities of the class issuable upon exercise of this Warrant (other than a
change in par value, or from par value to no par value, or from no par value to
par value, or as a result of a subdivision or combination), or in case of any
merger of the Company with or into another corporation (other than a merger with
another corporation in which the Company is the acquiring and the surviving
corporation and which does not result in any reclassification or change of
outstanding securities issuable upon exercise of this Warrant), or in case of
any sale of all or substantially all of the assets of the Company, the Company,
or such successor or purchasing corporation, as the case may be, shall duly
execute and deliver to the Holder a new Warrant (in form and substance
satisfactory to the Holder), or the Company shall make appropriate provision
without the issuance of a new Warrant, so that the Holder shall have the right
to receive upon exercise of this Warrant, at a total purchase price not to
exceed that payable upon the exercise of the unexercised portion of this
Warrant, and in lieu of the shares of Common Stock theretofore issuable upon
exercise of this Warrant, the kind and amount of shares of stock, other
securities, money and property receivable upon such reclassification, change or
merger by a holder of the number of shares of Common Stock then purchasable
under this Warrant. Such new Warrant shall provide for adjustments that shall be
as nearly equivalent as may be practicable to the adjustments provided for in
this Section 3. The provisions of this subparagraph (a) shall similarly apply to
successive reclassifications, changes, mergers and transfers.
(b) Subdivisions, Combinations and Stock Dividends. If the Company shall at any
time prior to the expiration of this Warrant subdivide its outstanding shares of
Common Stock, by split-up or otherwise, or combine its outstanding shares of
Common Stock, or issue additional shares of its Common Stock as a dividend on
its Common Stock, the number of Shares issuable on the exercise of this Warrant
shall forthwith be proportionately increased in the case of a subdivision or
stock dividend, or proportionately decreased in the case of a combination.
Appropriate adjustments shall also be made to the purchase price payable per
share, but the aggregate purchase price payable for the total number of Shares
purchasable under this Warrant (as adjusted) shall remain the same. 4. Notice of
Adjustments. Whenever the Warrant Price or the number of Shares purchasable
hereunder shall be adjusted pursuant to Section 3 hereof, the Company shall make
a certificate setting forth, in reasonable detail, the event requiring the
adjustment, the amount of the adjustment, the method by which such adjustment
was calculated, and the Adjusted Warrant Price and the number of Shares
purchasable hereunder after giving effect to such adjustment, and shall cause
copies of such certificate to be mailed (without regard to Section 10 hereof, by
first class mail, postage prepaid) to the Holder at such Holder's last known
address.
5. Fractional Shares. No fractional shares of Common Stock will be issued in
connection with any exercise hereunder, but in lieu of such fractional shares
the Company shall make a cash payment therefor based on the fair market value of
the Common Stock on the date of exercise.
6. Compliance with Securities Act; Disposition of Warrant or Shares of Common
Stock.
(a) Investment Only. The Holder understands that the Company is issuing this
Warrant to Holder in reliance upon Holder's representation to the Company, which
by Holder's acceptance of this Warrant Holder hereby confirms, that the Warrant
and the Common Stock issuable upon conversion thereof (collectively, the
"Securities") are being acquired for investment for Holder's own account, not as
a nominee or agent, and not with a view to the resale or distribution of any
part thereof, and that Holder has no present intention of selling, granting any
participation in, or otherwise distributing the same. By accepting this Warrant,
Holder further represents that Holder 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.
(b) Disclosure of Information. Holder has received and reviewed information
about the Company and has had an opportunity to discuss the Company' business,
management and financial affairs with its management. Holder understands and
acknowledges that such discussions, as well as any written information issued by
the Company, (i) were intended to describe the aspects of the Company's business
and prospects which the Company believes to be material, but were not
necessarily an exhaustive description, and (ii) may have contained
forward-looking statements involving known and unknown risks and uncertainties
which may cause the Company's actual results in future periods or plans for
future periods to differ materially from what was anticipated and that no
representations or warranties were or are being made with respect to any such
forward-looking statements or the probability of achieving any of the results
projected in any of such forward-looking statements.
(c) Investment Experience. Holder 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, as now in effect and shall submit to the
Company such further assurances of such status as may be reasonably requested by
the Company.
(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 of 1933 only in certain limited circumstances. In this
connection, the Holder represents that it is familiar with SEC Rule 144, as now
in effect, and understands the resale limitations imposed thereby and by the
Act.
(f) Legends. This Warrant and all Shares issued upon exercise of this Warrant
(unless registered under the Act and any applicable state securities laws) shall
be stamped or imprinted with a legend in substantially the form appearing at the
top of this Warrant. Said legend(s) shall be removed by the Company, upon the
written request of a holder, at such time as the restrictions on the transfer of
the applicable security shall have terminated. (g) Disposition of Warrant or
Shares. With respect to any offer, sale or other disposition of this Warrant or
any Shares acquired pursuant to the exercise of this Warrant prior to
registration of such Warrant or Shares, the Holder agrees to give written notice
to the Company prior thereto, describing briefly the manner thereof, together
with a written opinion of such Holder's counsel, or other evidence satisfactory
to the Company, to the effect that such offer, sale or other disposition may be
effected without registration or qualification (under the Act as then in effect
or any federal or state securities law then in effect) of this Warrant or the
Shares and indicating whether or not under the Act certificates for this Warrant
or the Shares to be sold or otherwise disposed of require any restrictive legend
as to applicable restrictions on transferability in order to ensure compliance
with such law. Upon receiving such written notice and reasonably satisfactory
opinion or other evidence, the Company, as promptly as practicable but no later
than fifteen (15) days after receipt of the written notice, shall notify such
Holder that such Holder may sell or otherwise dispose of this Warrant or such
Shares, all in accordance with the terms of the notice delivered to the Company.
If a determination has been made pursuant to this Section 6(g) that the opinion
of counsel for the Holder or other evidence is not reasonably satisfactory to
the Company, the Company shall so notify the Holder promptly with details
thereof after such determination has been made. Notwithstanding the foregoing,
this Warrant or such Shares may, as to such federal laws, be offered, sold or
otherwise disposed of in accordance with Rule 144 or 144A under the Act,
provided that the Company shall have been furnished with such information as the
Company may reasonably request to provide a reasonable assurance that the
provisions of Rule 144 or 144A have been satisfied. Each certificate
representing this Warrant or the Shares thus transferred (except a transfer
pursuant to Rule 144 or 144A) shall bear a legend as to the applicable
restrictions on transferability in order to ensure compliance with such laws,
unless in the aforesaid opinion of counsel for the Holder, such legend is not
required in order to ensure compliance with such laws. The Company may issue
stop transfer instructions to its transfer agent in connection with such
restrictions.
(h) Applicability of Restrictions. Neither any restrictions of any legend
described in this Warrant nor the requirements of Section 6(g) above shall apply
to any transfer or grant of a security interest in this Warrant (or the Common
Stock obtainable upon exercise thereof) or any part hereof (i) to a partner of
the Holder if the Holder is a partnership or to a member of the Holder if the
Holder is a limited liability company, (ii) to a partnership of which the Holder
is a partner or a limited liability company of which the Holder is a member, or
(iii) to any affiliate of the Holder if the Holder is a corporation; provided,
however, in any such transfer, if applicable, the transferee shall on the
Company's request agree in writing to be bound by the terms of this Warrant as
if an original Holder hereof.

                  (i) Post Closing Registration. IQB is currently preparing form
SB-2 for filling with the Securities and Exchange Commission. The Common Stock
issuable pursuant to the Warrant shall be included for registration in such
filing. While acting in a commercially reasonable fashion, IQB shall promptly
after the Closing, file such form for registration and use its commercially
reasonable efforts to effect such registration (including, without limitation,
filing post-effective amendments, appropriate qualifications under applicable
blue sky or other state securities laws, and appropriate compliance with the
Securities Act), of the Shares. The term "registration" shall refer to a
registration effected by preparing and filing a registration statement in
compliance with the Securities Act and applicable rules and regulations
thereunder with the Securities and Exchange Commission, and the declaration or
ordering of the effectiveness of such registration statement. 7. Rights as
Shareholders; Information. No Holder of this Warrant, as such, shall be entitled
to vote or receive dividends or be deemed the Holder of Common Stock or any
other securities which may at any time be issuable on the exercise hereof for
any purpose, nor shall anything contained herein be construed to confer upon the
Holder of this Warrant, as such, any of the rights of a shareholder of the
Company or any right to vote for the election of directors or upon any matter
submitted to shareholders at any meeting thereof, or to receive notice of
meetings, or to receive dividends or subscription rights or otherwise until this
Warrant shall have been exercised and the Shares purchasable upon the exercise
hereof shall have become deliverable, as provided herein. Notwithstanding the
foregoing, the Company will transmit to the Holder of this Warrant such
information, documents and reports as are generally distributed to the holders
of any class or series of the securities of the Company concurrently with the
distribution thereof to the shareholders.
8. Notification of Merger. The Company shall provide the Holder with at least
twenty (20) days' written notice prior to the closing thereof of the terms and
conditions of any of the following transactions: (i) the sale, lease, exchange,
conveyance or other disposition of all or substantially all of the Company's
property or business, or (ii) its merger into or consolidation with any other
corporation (other than a wholly-owned subsidiary of the Company), or (iii) any
transaction (including a merger or other reorganization) or series of related
transactions, in which more than 50% of the voting power of the Company is
disposed of.
9. Modification and Waiver. This Warrant and any provision hereof may be
changed, waived, discharged or terminated only by an instrument in writing
signed by the party against which enforcement of the same is sought. 10.
Notices. Any notice, request, communication or other document required or
permitted to be given or delivered to the Holder or the Company shall be
delivered, or shall be sent by certified or registered mail, postage prepaid, to
each such Holder at its address as shown on the books of the Company or to the
Company at the address indicated therefor on the signature page of this Warrant.
11. Binding Effect on Successors. This Warrant shall be binding upon any
corporation succeeding the Company by merger, consolidation or acquisition of
all or substantially all of the Company's assets, and all of the obligations of
the Company relating to the Shares issuable upon the exercise or conversion of
this Warrant shall survive the exercise, conversion and termination of this
Warrant and all of the covenants and agreements of the Company shall inure to
the benefit of the successors and assigns of the holder hereof.
12. Lost Warrants or Stock Certificates. The Company covenants to the Holder
that, upon receipt of evidence reasonably satisfactory to the Company of the
loss, theft, destruction or mutilation of this Warrant or any stock certificate
and, in the case of any such loss, theft or destruction, upon receipt of an
indemnity reasonably satisfactory to the Company, or in the case of any such
mutilation upon surrender and cancellation of such Warrant or stock certificate,
the Company will make and deliver a new Warrant or stock certificate, of like
tenor, in lieu of the lost, stolen, destroyed or mutilated Warrant or stock
certificate.
13. Descriptive Headings. The descriptive headings of the several paragraphs of
this Warrant are inserted for convenience only and do not constitute a part of
this Warrant. The language in this Warrant shall be construed as to its fair
meaning without regard to which party drafted this Warrant.
14. Governing Law. This Warrant shall be construed and enforced in accordance
with, and the rights of the parties shall be governed by, the laws of the State
of California. 15. Survival of Representations, Warranties and Agreements. All
representations and warranties of the Holder contained herein shall survive the
date of issuance of this Warrant, the exercise or conversion of this Warrant (or
any part hereof) or the termination or expiration of rights hereunder. All
agreements of the Company and the holder hereof contained herein shall survive
indefinitely until, by their respective terms, they are no longer operative. 16.
Remedies. In case any one or more of the covenants and agreements contained in
this Warrant shall have been breached, the holders hereof (in the case of a
breach by the Company), or the Company (in the case of a breach by a holder),
may proceed to protect and enforce their or its rights either by suit in equity
and/or by action at law, including, but not limited to, an action for damages as
a result of any such breach and/or an action for specific performance of any
such covenant or agreement contained in this Warrant.
17. No Impairment of Rights. The Company will not, by amendment of its
certificate of incorporation or through any other means, 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 of this Warrant against impairment. 18. Severability.
Whenever possible, each provision of this Warrant shall be interpreted in such a
manner as to be valid, legal and enforceable under all applicable laws and
regulations. If, however, any provision of this Warrant shall be invalid,
illegal or unenforceable under any such law or regulation in any jurisdiction,
it shall, as to such jurisdiction, be deemed modified to conform to the minimum
requirements of such law or regulation, or, if for any reason it is not deemed
to be so modified, it shall be invalid, illegal or unenforceable only to the
extent of such invalidity, illegality or limitation on enforceability without
affecting the remaining provisions of this Warrant or the validity, legality or
enforceability of such provision in any other jurisdiction. 19. Entire
Agreement. This Warrant and the Purchase Agreement constitute the entire
agreement between the parties pertaining to the subject matter contained in it
and supersedes all prior and contemporaneous agreements, representations, and
undertakings of the parties, whether oral or written, with respect to such
subject matter.

                  [Remainder of page intentionally left blank]
1.

<PAGE>

Date of issuance: February 11, 2003

                               IQ Biometrix, Inc.

                               By:
                               -------------------------------------------------

                               Title:
                               -------------------------------------------------

                               Address:

              [Signature Page to Warrant to Purchase Common Stock]

<PAGE>

                                    EXHIBIT A

                               NOTICE OF EXERCISE

To:  IQ Biometrix, Inc. (the "Company")

         1. The undersigned hereby elects to purchase ___________ shares of
Common Stock of the Company pursuant to the terms of the attached Warrant, and
tenders herewith payment of the purchase price of such shares in full.

         2. Please issue a certificate or certificates representing said shares
in the name of the undersigned or in such other name or names as are specified
below:

                                     (Name)

                                    (Address)

         3. The undersigned represents that the aforesaid shares are being
acquired for the account of the undersigned for investment and not with a view
to, or for resale in connection with, the distribution thereof and that the
undersigned has no present intention of distributing or reselling such shares,
all except as in compliance with applicable securities laws.

                                   (Signature)

(Date)STOCK PURCHASE AGREEMENT

         This Stock Purchase Agreement (this "Agreement") is made and entered
into as of February 11, 2003 by and between IQ Biometrix, Inc., a Delaware
corporation ("IQB") and Special Equity IV, L.P., a Delaware limited partnership
("Buyer").

                                    RECITALS

         WHEREAS, IQB previously sold five hundred thousand (500,000) shares of
IQB Common Stock (the "Shares") at a per share purchase price of $0.40 per share
to Buyer upon the terms and conditions hereinafter set forth; and

         WHEREAS, the parties now desire to memorialize the transaction for the
purchase of the Shares by Buyer from IQB upon the terms and conditions
hereinafter set forth;

         NOW, THEREFORE, in consideration of the covenants, agreement and
considerations herein contained, IQB and Buyer agree as follows:

1.      PURCHASE AND SALE OF SHARES

         1.1     Transfer  of Shares.  Subject to the terms and conditions
hereof,  IQB sold to Buyer,  and Buyer purchased from IQB, the Shares.

         1.2 Purchase Price. As full consideration for the sale of the Shares to
Buyer, Buyer delivered to IQB at each Closing described below immediately
available funds in the amount of Forty Cents ($0.40) per Share.

2.      CLOSING.

         2.1 Time. The purchase and sale of the Shares occurred and shall be
deemed effective as of the following closing dates (each a "Closing") as set
forth on the following schedule.

      Date                    Number of Shares        Aggregate Purchase Price
      ----                    ----------------          ------------------------
      November 26, 2002            250,000                  $100,000.00
      December 17, 2002            250,000                  $100,000.00
      Total                        500,000                  $200,000.00

         2.2 Deliveries at and Following the Closing. At each Closing or as soon
as possible thereafter, the parties hereto shall deliver all share certificates,
consents, checks, assignments and other instruments and documents provided for
in this Agreement. In addition, each party agrees to execute and deliver all
other instruments and documents and perform all other acts which the other party
may reasonably request in order to further effect or perfect the sale and
transfer of the Shares and the consummation of the transactions contemplated by
this Agreement.

3.       REPRESENTATIONS, WARRANTIES AND COVENANTS OF IQB

         Except as set forth below, IQB makes no representations or warranties
of any nature or kind.

         3.1 Authorization. As of the date of each Closing and as of the date of
this Agreement, IQB has full legal right, power and capacity to enter into,
execute, deliver and perform this Agreement and all attendant documents and
instruments contemplated hereby. This Agreement has been duly executed and
delivered and constitutes the legal, valid and binding obligation of IQB and is
enforceable with respect to IQB in accordance with its terms, except as
enforcement may be limited by bankruptcy, insolvency, priority or other laws or
court decisions relating to or affecting generally the enforcement of creditors'
rights or affecting generally the availability of equitable remedies. The
execution and delivery of this Agreement by IQB, and the consummation of the
transactions contemplated hereby by IQB in accordance with the terms hereof
shall not conflict with or result in a breach of, violation of, or default
under, (or constitute an event that with notice, lapse of time, or both, would
constitute a breach or default under) any of the terms, conditions or provisions
of the charter documents, as amended, of IQB, any provision of the laws of the
State of Delaware, or any note, bond, mortgage, indenture, license, lease,
credit agreement or other agreement, document, instrument or obligation to which
IQB is a party or by which any of its respective assets or properties are bound.

         3.2 Consent. As of the date of each Closing and as of the date of this
Agreement,, no consent, approval or authorization of or designation, declaration
or filing with any governmental authority on the part of the Company is required
in connection with the valid execution and delivery of this Agreement, or the
offer, sale or issuance of the Shares, or the consummation of any other
transaction contemplated by this Agreement, except (i) the filing of such
notices and submissions as may be required under the Securities Act of 1933, as
amended (the "Securities Act") and (iii) such filings as may be required under
applicable state securities laws which the Company shall make promptly.

         3.3 Valid Issuance of Common Stock. The Shares, when issued, sold and
delivered in accordance with the terms hereof for the consideration expressed
herein, will be duly and validly issued, fully paid and nonassessable and will
be issued in compliance with all applicable federal and state securities laws;
provided, however, that the Shares are subject to restrictions on transfer under
U.S. state and/or federal securities laws and as set forth herein.

         3.4 Litigation. There is no private or governmental action, suit,
proceeding or investigation pending or currently threatened against IQB which
questions the validity of this Agreement or the right of IQB to enter into it,
or to consummate the transactions contemplated hereby, or which might result,
either individually or in the aggregate, in any material adverse changes in the
assets, condition, affairs or prospects of IQB, financially or otherwise, or any
change in the current equity ownership of IQB. IQB is not a party 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 IQB currently pending or which IQB intends to initiate.

3.5 Brokerage Fees. The Company has not incurred, and will not incur, directly
or indirectly, as a result of any action taken by the Company, any liability for
brokerage or finders' fees or agents' commissions or any similar charges in
connection with this Agreement or any of the transactions contemplated hereby.

3.6 Post Closing Registration. IQB is currently preparing form SB-2 for filling
with the Securities and Exchange Commission. The Shares shall be included for
registration in such filing. While acting in a commercially reasonable fashion,
IQB shall promptly after the Closing, file such form for registration and use
its commercially reasonable efforts to effect such registration (including,
without limitation, filing post-effective amendments, appropriate qualifications
under applicable blue sky or other state securities laws, and appropriate
compliance with the Securities Act), of the Shares. The term "registration"
shall refer to a registration effected by preparing and filing a registration
statement in compliance with the Securities Act and applicable rules and
regulations thereunder with the Securities and Exchange Commission, and the
declaration or ordering of the effectiveness of such registration statement.

4.       REPRESENTATIONS AND WARRANTIES OF BUYER

         Buyer represents and warrants to IQB that:

         4.1 Authority. As of the date of each Closing and as of the date of
this Agreement, Buyer has full legal right, power and capacity to enter into,
execute, deliver and perform this Agreement and all attendant documents and
instruments contemplated hereby. This Agreement has been duly executed and
delivered and constitutes the legal, valid and binding obligation of Buyer and
is enforceable with respect to Buyer in accordance with its terms, except as
enforcement may be limited by bankruptcy, insolvency, priority or other laws or
court decisions relating to or affecting generally the enforcement of creditors'
rights or affecting generally the availability of equitable remedies.

         4.2 No Violation of Agreements. As of the date of each Closing and as
of the date of this Agreement, neither the execution and delivery of this
Agreement nor the consummation of the transactions contemplated hereunder by
Buyer will violate or conflict with any judgment, order, decree, statute, rule
or regulation applicable to Buyer or his assets or properties.

         4.3 Purchase Entirely for Own Account. Buyer understands that IQB is
making this Agreement with the Buyer in reliance upon the Buyer's representation
to IQB, which by the Buyer's execution of this Agreement the Buyer hereby
confirms, that the Common Stock to be received by the Buyer and the Common Stock
issuable upon conversion thereof (collectively, the "Securities") will be
acquired for investment for the Buyer's own account, not as a nominee or agent,
and not with a view to the resale or distribution of any part thereof, and that
the Buyer has no present intention of selling, granting any participation in, or
otherwise distributing the same. By executing this Agreement, the Buyer further
represents that the Buyer 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.

         4.4 Disclosure of Information. Buyer has received and reviewed
information about the Company and has had an opportunity to discuss the Company'
business, management and financial affairs with its management. Buyer
understands and acknowledges that such discussions, as well as any written
information issued by IQB, (i) were intended to describe the aspects of the
Company's business and prospects which IQB believes to be material, but were not
necessarily an exhaustive description, and (ii) may have contained
forward-looking statements involving known and unknown risks and uncertainties
which may cause IQB's actual results in future periods or plans for future
periods to differ materially from what was anticipated and that no
representations or warranties were or are being made with respect to any such
forward-looking statements or the probability of achieving any of the results
projected in any of such forward-looking statements. Nothing contained in this
Section 4.4 shall limit in any respect the Company's representations and
warranties contained in Section 3 hereof.

         4.5 Investment Experience. The Buyer 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 Shares.

         4.6 Accredited Investor. The Buyer is an "accredited investor" within
the meaning of SEC Rule 501 of Regulation D, as now in effect and shall submit
to IQB such further assurances of such status as may be reasonably requested by
IQB.

         4.7 Restricted Securities. The Buyer understands that the Shares it is
purchasing are characterized as "restricted securities" under the federal
securities laws inasmuch as they are being acquired from IQB 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 of 1933, only in certain limited circumstances. In this
connection, the Buyer represents that it is familiar with SEC Rule 144, as now
in effect, and understands the resale limitations imposed thereby and by the
Act.

         4.8 Legends. It is understood that the certificates evidencing the
Common Stock may bear one or all of the following legends:

                  "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR
                  THE SECURITIES LAWS OF ANY STATE, AND MAY NOT BE SOLD,
                  TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED UNLESS AND
                  UNTIL REGISTERED UNDER SUCH ACT AND/OR APPLICABLE STATE
                  SECURITIES LAWS, OR UNLESS THE COMPANY HAS RECEIVED AN OPINION
                  OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE
                  COMPANY AND ITS COUNSEL, THAT SUCH REGISTRATION IS NOT
                  REQUIRED." and

                  Any legend required by applicable state securities laws.

5.       CONDITIONS PRECEDENT TO OBLIGATIONS OF IQB

         The obligations of IQB to consummate the transactions contemplated by
this Agreement shall be subject to the satisfaction of each of the conditions
set forth below, any or all of which may be waived by IQB in whole or in part
without prior notice; provided, however, that no such waiver of a condition
shall constitute a waiver by IQB of any other condition, of the same condition
at any subsequent Closing or of any of IQB's rights or remedies, at law or in
equity, if Buyer shall be in default or breach of any of his representations,
warranties or agreements under this Agreement:

         5.1      Purchase  Price.  Buyer shall deliver the Aggregate  Purchase
Price at each Closing as provided in Section 1.2.

         5.2 Accuracy of Representations and Warranties. The representations and
warranties of Buyer contained in this Agreement shall be accurate and complete
on and as of each Closing Date with the same effect as through such
representations and warranties had been made on or as of such date and Buyer
shall have delivered to IQB a certificate to that effect signed by Buyer, and
dated as of the Closing Date.

         5.3 Performance of Agreements. Each and all of the conditions precedent
and agreements of Buyer subject to satisfaction on or before each Closing Date
pursuant to the terms of this Agreement shall have been performed or satisfied
and Buyer shall have delivered to IQB a certificate to that effect signed by
Buyer, and dated as of the Closing Date.

6.       CONDITIONS PRECEDENT TO OBLIGATIONS OF BUYER

         The obligations of Buyer to consummate the transactions contemplated by
this Agreement shall be subject to the satisfaction of each of the conditions
set forth below, any or all of which may be waived by Buyer in whole or in part
without prior notice; provided, however, that no such waiver of a condition
shall constitute a waiver by Buyer of any other condition or of any of Buyer's
rights or remedies, at law or in equity, if IQB shall be in default or breach of
any of his representations, warranties or agreements under this Agreement:

         6.1 Accuracy of Representations and Warranties. The representations and
warranties of Buyer contained in this Agreement shall be accurate and complete
on and as of each Closing Date with the same effect as through such
representations and warranties had been made on or as of such date and IQB shall
have delivered to Buyer a certificate to that effect signed by IQB, and dated as
of the Closing Date.

         6.2 Performance of Agreements. Each and all of the conditions precedent
and agreements of IQB subject to satisfaction on or before the Closing Date
pursuant to the terms of this Agreement shall have been performed or satisfied
and IQB shall have delivered to Buyer a certificate to that effect signed by
IQB, and dated as of the Closing Date.

         6.3 No Adverse Events. Between the date hereof and the Closing, neither
the business, assets or condition, financial or otherwise, of IQB taken as a
whole shall have been materially adversely affected in any manner, including,
without limitation, as a result of any fire, flood, explosion, accident,
drought, strike, walkout, riot, sabotage, confiscation, condemnation or purchase
of property by governmental authority, legislative act by any governmental
authority, activities of Armed Forces or acts of God or the public enemy.

7.       MISCELLANEOUS

         7.1 Expenses and Taxes. Each party shall bear and pay his, her or its
own expenses, including legal, accounting and other professional fees, and taxes
incurred in connection with the transactions referred to in this Agreement. The
party responsible under applicable law shall bear and pay in their entirety all
other taxes and registration and transfer fees, if any, payable by reason of the
sale and conveyance of the Shares. Each party will cooperate to the extent
practicable in minimizing all taxes and fees levied by reason of the sale or
assignment of the Shares.

         7.2 Entire Agreement; Modifications; Waiver. This Agreement, together
with the related agreements or certificates referenced herein, constitutes the
final, exclusive and complete understanding of the parties with respect to the
subject matter hereof and supersedes any and all prior agreements,
understandings and discussions with respect thereto. No variation or
modification of this Agreement and no waiver of any provision or condition
hereof, or granting of any consent contemplated hereby, shall be valid unless in
writing and signed by the party against whom enforcement of any such variation,
modification, waiver or consent is sought.

         7.3 Survival of Representations and Warranties. All representations and
warranties made by any party to this Agreement or pursuant hereto shall survive
the closing of the transactions hereunder. The representations and warranties
hereunder shall not be affected or diminished by any investigation at any time
by or on behalf of the party for whose benefit such representations and
warranties were made. All statements contained herein or in any schedule,
exhibit, certificate, list or other document delivered pursuant hereto or in
connection with the transactions contemplated hereby shall be deemed to be
representations and warranties.

         7.4 Further Assurances. The parties hereto shall use their best
efforts, and shall cooperate with one another, to secure all necessary consents,
approvals, authorizations, exemptions and waivers from third parties as shall be
required in order to consummate the transactions contemplated hereby, and shall
otherwise use their best efforts to cause such transactions to be consummated in
accordance with the terms and conditions hereof. At any time or from time to
time after the Closing Date, each party hereto, shall execute and deliver any
further instruments or documents and take all such further action as such
requesting party may reasonably request in order to consummate and document the
transactions contemplated hereby.

         7.5 Captions. The captions in this Agreement are for convenience only
and shall not be considered a part of or affect the constructing or
interpretation of any provision of this Agreement.

         7.6      Section  References.  Unless  otherwise  noted,  all section
references  herein are to sections of this Agreement.

         7.7 Counterparts. This Agreement may be executed in any number of
counterparts, each of which when so executed shall constitute an original copy
hereof, but all of which together shall constitute one agreement. A party may
execute this Agreement and transmit its signature by facsimile, which shall be
fully binding, and the party taking such actions shall deliver a manually signed
original as soon as is practicable.

         7.8 Successors and Assigns. Neither party shall assign this Agreement
to any third party without the prior written consent of the other party.

         7.9 Parties in Interest. Nothing in this Agreement, whether express or
implied, is intended to confer any rights or remedies under or by reason of this
Agreement on any persons other than the parties to it and their respective
successors and assigns, nor is anything in this Agreement intended to relieve or
discharge the obligation or liability of any third persons to any party to this
Agreement, nor shall any provision give any third persons any right of
subrogation or action over against any party to this Agreement.

         7.10 Notices. All notices, requests, demands and other communications
hereunder ("Notices") shall be in writing and shall be deemed to have been duly
given if delivered by hand or by registered or certified mail, postage prepaid,
return receipt requested, but only upon receipt of such return receipt, as
follows:

If to Buyer:                                                 If to IQB:

         Special Equity IV, L.P.                IQ Biometrix, Inc.
         C/o Forte' Capital Partners            10600 N. DeAnza Blvd, Ste 250
         4 Embarcadero Center, Suite 1590       Cupertino, CA  95014
         San Francisco, CA  94111               Attention: Greg Micek, President
         Tel:  650.888.8336                     Fax:     (408) 873-0550
         Fax:  415.288.0532

or to such other address as any party may have furnished to the others in
writing in accordance herewith, except that notices of change of address shall
only be effective upon receipt. All Notices shall be deemed received on the date
of delivery or, if mailed, on the date appearing on the return receipt therefor.

7.11 Law Governing; Venue. This Agreement shall be governed by, and construed
and enforced in accordance with the laws of the State of California, without
regard to its choice-of-laws or conflicts-of-law rules. With respect to any
disputes arising out of or related to this Agreement, the parties consent to the
exclusive jurisdiction of, and venue in, the state courts in Santa Clara County
in the State of California (or in the event of exclusive federal jurisdiction,
the courts of the Eastern District of California).

7.12 California Corporate Securities Law. THE SALE OF THE SECURITIES WHICH ARE
THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE COMMISSIONER OF
CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF SUCH SECURITIES OR
THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR PRIOR TO SUCH
QUALIFICATION IS UNLAWFUL UNLESS THE SALE OF SECURITIES IS EXEMPT FROM
QUALIFICATION BY SECTION 25100, 25102, OR 25105 OF THE CALIFORNIA CORPORATIONS
CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY CONDITIONED UPON
SUCH QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

7.13 Attorney's Fees. In the event that any suit or action is instituted to
enforce any provisions in this Agreement, the prevailing party in such dispute
shall be entitled to recover from the losing party all fees, costs and expenses
of enforcing any right of such prevailing party under or with respect to this
Agreement, including without limitation, such reasonable fees and expenses of
attorneys and accountants, which shall include, without limitation, all fees,
costs and expenses of appeals.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed, all as of date first above written.

                                     BUYER:

                                     Special Equity IV, L.P.

                                     By: ___________________________
                                     Daniel McKelvey,
                                     Managing Member of
                                     Forte Capital
                                     Partners, LLC. Forte'
                                     Capital Partners is GP
                                     of Special Equity IV,
                                     L.P.

                                     IQB

                                     IQ Biometrix, Inc.

                                     By: ___________________________
                                     William Scigliano, CEO

                  [Signature Page to Stock Purchase Agreement]

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