Document:

Exhibit 10.4

                               SECURITY AGREEMENT

1.    Identification.

      This Security Agreement (the "Agreement"), dated as of April 12, 2006, is
entered into by and between Addison-Davis Diagnostics, Inc., a Delaware
corporation ("Debtor"), and Barbara Mittman, as collateral agent acting in the
manner and to the extent described in the Collateral Agent Agreement defined
below (the "Collateral Agent"), for the benefit of the parties identified on
Schedule A hereto (collectively, the "Lenders").

2.    Recitals.

      2.1 The Lenders have made, are making and will be making loans to Debtor
(the "Loans"). It is beneficial to Debtor that the Loans were made and are being
made.

      2.2 The Loans are and will be evidenced by certain convertible promissory
notes (each a "Convertible Note") issued by Debtor on or about the date of and
after the date of this Agreement pursuant to subscription agreements (each a
"Subscription Agreement") to which Debtor and Lenders are parties. The Notes are
further identified on Schedule A hereto and were and will be executed by Debtor
as "Borrower" or "Debtor" for the benefit of each Lender as the "Holder" or
"Lender" thereof. Schedule A hereto may be amended to include such other Lenders
who become parties hereto and sign this Agreement, the Collateral Agent
Agreement and any other agreement reasonably requested by the Collateral Agent,
who will have purchased Notes pursuant to the Subscription Agreement.

      2.3 In consideration of the Loans made and to be made by Lenders to Debtor
and for other good and valuable consideration, and as security for the
performance by Debtor of its obligations under the Notes and as security for the
repayment of the Loans and all other sums due from Debtor to Lenders arising
under the Transaction Documents (as defined in the Subscription Agreement), and
any other agreement between or among them (collectively, the "Obligations"),
Debtor, for good and valuable consideration, receipt of which is acknowledged,
has agreed to grant to the Collateral Agent, for the benefit of the Lenders, a
security interest in the Collateral (as such term is hereinafter defined),
subordinated to the June 2005 investors pursuant to an aggregate investment of
$800,000 in callable secured convertible notes as disclosed, on the terms and
conditions hereinafter set forth. Obligations include all future advances by
Lenders to Debtor advanced on a pro rata basis by all Lenders on substantially
the same terms.

      2.4 The Lenders have appointed Barbara Mittman as Collateral Agent
pursuant to that certain Collateral Agent Agreement dated at or about April 12,
2006 ("Collateral Agent Agreement"), among the Lenders and Collateral Agent.

      2.5 The following defined terms which are defined in the Uniform
Commercial Code in effect in the State of New York on the date hereof are used
herein as so defined: Accounts, Chattel Paper, Documents, Equipment, General
Intangibles, Instruments, Inventory and Proceeds.

3.    Grant of General Security Interest in Collateral.

      3.1 As security for the Obligations of Debtor, Debtor hereby grants the
Collateral Agent, for the benefit of the Lenders, a security interest in the
Collateral.

      3.2 "Collateral" shall mean all of the following property of Debtor:
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          (A) All now owned and hereafter acquired right, title and interest of
Debtor in, to and in respect of all Accounts, Goods, real or personal property,
all present and future books and records relating to the foregoing and all
products and Proceeds of the foregoing, and as set forth below:

              (i) Accounts: All now owned and hereafter acquired right, title
and interest of Debtor in, to and in respect of all: Accounts, interests in
goods represented by Accounts, returned, reclaimed or repossessed goods with
respect thereto and rights as an unpaid vendor; contract rights; Chattel Paper;
investment property; General Intangibles (including but not limited to, tax and
duty claims and refunds, registered and unregistered patents, trademarks,
service marks, certificates, copyrights trade names, applications for the
foregoing, trade secrets, goodwill, processes, drawings, blueprints, customer
lists, licenses, whether as licensor or licensee, chooses in action and other
claims, and existing and future leasehold interests in equipment, real estate
and fixtures); Documents; Instruments; letters of credit, bankers' acceptances
or guaranties; cash moneys, deposits; securities, bank accounts, deposit
accounts, credits and other property now or hereafter owned or held in any
capacity by Debtor, as well as its affiliates, agreements or property securing
or relating to any of the items referred to above;

              (ii) Goods: All now owned and hereafter acquired right, title and
interest of Debtor in, to and in respect of goods, including, but not limited
to:

                   (a) All Inventory, wherever located, whether now owned or
hereafter acquired, of whatever kind, nature or description, including all raw
materials, work-in-process, finished goods, and materials to be used or consumed
in Debtor' business; finished goods, timber cut or to be cut, oil, gas,
hydrocarbons, and minerals extracted or to be extracted, and all names or marks
affixed to or to be affixed thereto for purposes of selling same by the seller,
manufacturer, lessor or licensor thereof and all Inventory which may be returned
to Debtor by its customers or repossessed by Debtor and all of Debtor' right,
title and interest in and to the foregoing (including all of Debtor' rights as a
seller of goods);

                   (b) All Equipment and fixtures, wherever located, whether now
owned or hereafter acquired, including, without limitation, all machinery, motor
vehicles, furniture and fixtures, and any and all additions, substitutions,
replacements (including spare parts), and accessions thereof and thereto
(including, but not limited to Debtor' rights to acquire any of the foregoing,
whether by exercise of a purchase option or otherwise);

              (iii) Property: All now owned and hereafter acquired right, title
and interests of Debtor in, to and in respect of any real or other personal
property in or upon which Debtor has or may hereafter have a security interest,
lien or right of setoff;

              (iv) Books and Records: All present and future books and records
relating to any of the above including, without limitation, all computer
programs, printed output and computer readable data in the possession or control
of the Debtor, any computer service bureau or other third party; and

              (v)  Products and Proceeds: All products and Proceeds of the
foregoing in whatever form and wherever located, including, without limitation,
all insurance proceeds and all claims against third parties for loss or
destruction of or damage to any of the foregoing.

          (B) All now owned and hereafter acquired right, title and interest of
Debtor in, to and in respect of the following:

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              (i)   the shares of stock, partnership interests, member interests
or other equity interests at any time and from time to time acquired by Debtor
of any and all entities now or hereafter existing, all or a portion of such
stock or other equity interests which are acquired by such entities at any time
(such entities, together with the existing issuers, being hereinafter referred
to collectively as the "Pledged Issuers" and individually as a "Pledged
Issuer"), the certificates representing such shares, partnership interests,
member interests or other interests all options and other rights, contractual or
otherwise, in respect thereof and all dividends, distributions, cash,
instruments, investment property and other property from time to time received,
receivable or otherwise distributed in respect of or in exchange for any or all
of such shares, partnership interests, member interests or other interests;

              (ii)  all additional shares of stock, partnership interests,
member interests or other equity interests from time to time acquired by Debtor,
of any Pledged Issuer, the certificates representing such additional shares, all
options and other rights, contractual or otherwise, in respect thereof and all
dividends, distributions, cash, instruments, investment property and other
property from time to time received, receivable or otherwise distributed in
respect of or in exchange for any or all of such additional shares, interests or
equity; and

              (iii) all security entitlements of Debtor in, and all Proceeds of
any and all of the foregoing in each case, whether now owned or hereafter
acquired by Debtor and howsoever its interest therein may arise or appear
(whether by ownership, security interest, lien, claim or otherwise).

      3.3 The Collateral Agent is hereby specifically authorized, after the
Maturity Date (defined in the Notes) accelerated or otherwise, or after an Event
of Default (as defined herein) and the expiration of any applicable cure period,
to transfer any Collateral into the name of the Collateral Agent and to take any
and all action deemed advisable to the Collateral Agent to remove any transfer
restrictions affecting the Collateral.

4.    Perfection of Security Interest.

      4.1 Debtor shall prepare, execute and deliver to the Collateral Agent
UCC-1 Financing Statements. The Collateral Agent is instructed to prepare and
file at Debtor's cost and expense, financing statements in such jurisdictions
deemed advisable to the Collateral Agent, including but not limited to the State
of Delaware. The Financing Statements are deemed to have been filed for the
benefit of the Collateral Agent and Lenders identified on Schedule A hereto.

      4.2 All other certificates and instruments constituting Collateral from
time to time required to be pledged to Collateral Agent pursuant to the terms
hereof (the "Additional Collateral") shall be delivered to Collateral Agent
promptly upon receipt thereof by or on behalf of Debtor. All such certificates
and instruments shall be held by or on behalf of Collateral Agent pursuant
hereto and shall be delivered in suitable form for transfer by delivery, or
shall be accompanied by duly executed instruments of transfer or assignment or
undated stock powers executed in blank, all in form and substance satisfactory
to Collateral Agent. If any Collateral consists of uncertificated securities,
unless the immediately following sentence is applicable thereto, Debtor shall
cause Collateral Agent (or its custodian, nominee or other designee) to become
the registered holder thereof, or cause each issuer of such securities to agree
that it will comply with instructions originated by Collateral Agent with
respect to such securities without further consent by Debtor. If any Collateral
consists of security entitlements, Debtor shall transfer such security
entitlements to Collateral Agent (or its custodian, nominee or other designee)
or cause the applicable securities intermediary to agree that it will comply
with entitlement orders by Collateral Agent without further consent by Debtor.

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      4.3 Within five (5) days after the receipt by Debtor of any Additional
Collateral, a Pledge Amendment, duly executed by Debtor, in substantially the
form of Annex I hereto (a "Pledge Amendment"), shall be delivered to Collateral
Agent in respect of the Additional Collateral to be pledged pursuant to this
Agreement. Debtor hereby authorizes Collateral Agent to attach each Pledge
Amendment to this Agreement and agrees that all certificates or instruments
listed on any Pledge Amendment delivered to Collateral Agent shall for all
purposes hereunder constitute Collateral.

      4.4 If Debtor shall receive, by virtue of Debtor being or having been
an owner of any Collateral, any (i) stock certificate (including, without
limitation, any certificate representing a stock dividend or distribution in
connection with any increase or reduction of capital, reclassification, merger,
consolidation, sale of assets, combination of shares, stock split, spin-off or
split-off), promissory note or other instrument, (ii) option or right, whether
as an addition to, substitution for, or in exchange for, any Collateral, or
otherwise, (iii) dividends payable in cash (except such dividends permitted to
be retained by Debtor pursuant to Section 5.2 hereof) or in securities or other
property or (iv) dividends or other distributions in connection with a partial
or total liquidation or dissolution or in connection with a reduction of
capital, capital surplus or paid-in surplus, Debtor shall receive such stock
certificate, promissory note, instrument, option, right, payment or distribution
in trust for the benefit of Collateral Agent, shall segregate it from Debtor's
other property and shall deliver it forthwith to Collateral Agent, in the exact
form received, with any necessary endorsement and/or appropriate stock powers
duly executed in blank, to be held by Collateral Agent as Collateral and as
further collateral security for the Obligations.

5.    Distribution on Liquidation.

      5.1 If any sum is paid as a liquidating distribution on or with respect
to the Collateral, Debtor shall deliver same to the Collateral Agent to be
applied to the Obligations, then due, in accordance with the terms of the
Convertible Notes.

      5.2 So long as no Event of Default exists, Debtor shall be entitled (i)
to exercise all voting power pertaining to any of the Collateral, provided such
exercise is not contrary to the interests of the Lenders and does not impair the
Collateral and (ii) may receive and retain any and all dividends, interest
payments or other distributions paid in respect of the Collateral.

      5.3 Upon the occurrence and during the continuation of an Event of
Default, all rights of Debtor, upon notice given by Collateral Agent, to
exercise the voting power and receive payments, which it would otherwise be
entitled to pursuant to Section 5.2, shall cease and all such rights shall
thereupon become vested in Collateral Agent, which shall thereupon have the sole
right to exercise such voting power and receive such payments.

      5.4 All dividends, distributions, interest and other payments which are
received by Debtor contrary to the provisions of Section 5.3 shall be received
in trust for the benefit of Collateral Agent, shall be segregated from other
funds of Debtor, and shall be forthwith paid over to Collateral Agent as
Collateral in the exact form received with any necessary endorsement and/or
appropriate stock powers duly executed in blank, to be held by Collateral Agent
as Collateral and as further collateral security for the Obligations.

6.    Further Action By Debtor; Covenants and Warranties.

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      6.1 Collateral Agent at all times shall have a perfected security interest
in the Collateral. Debtor has and will continue to have full title to the
Collateral free from any liens, leases, encumbrances, judgments or other claims.
Collateral Agent's security interest in the Collateral constitutes and will
continue to constitute a first, prior and indefeasible security interest in
favor of Collateral Agent. Debtor will do all acts and things, and will execute
and file all instruments (including, but not limited to, security agreements,
financing statements, continuation statements, etc.) reasonably requested by
Collateral Agent to establish, maintain and continue the perfected security
interest of Collateral Agent in the Collateral, and will promptly on demand, pay
all costs and expenses of filing and recording, including the costs of any
searches reasonably deemed necessary by Collateral Agent from time to time to
establish and determine the validity and the continuing priority of the security
interest of Collateral Agent, and also pay all other claims and charges that, in
the opinion of Collateral Agent, exercised in good faith, are reasonably likely
to materially prejudice, imperil or otherwise affect the Collateral or
Collateral Agent's or Lenders' security interests therein.

      6.2 Other than in the ordinary course of business, and except for
Collateral which is substituted by assets of identical or greater value or which
has become obsolete or is of inconsequential in value, Debtor will not sell,
transfer, assign or pledge those items of Collateral (or allow any such items to
be sold, transferred, assigned or pledged), without the prior written consent of
Collateral Agent other than a transfer of the Collateral to a wholly-owned
subsidiary on prior notice to Collateral Agent, and provided the Collateral
remains subject to the security interest herein described. Although Proceeds of
Collateral are covered by this Agreement, this shall not be construed to mean
that Collateral Agent consents to any sale of the Collateral, except as provided
herein. Sales of Collateral in the ordinary course of business shall be free of
the security interest of Lenders and Collateral Agent and Lenders and Collateral
Agent shall promptly execute such documents (including without limitation
releases and termination statements) as may be required by Debtor to evidence or
effectuate the same.

      6.3 Debtor will, at all reasonable times and upon reasonable notice,
allow Collateral Agent or its representatives free and complete access to the
Collateral and all of Debtor's records which in any way relate to the
Collateral, for such inspection and examination as Collateral Agent reasonably
deems necessary.

      6.4 Debtor, at its sole cost and expense, will protect and defend this
Security Agreement, all of the rights of Collateral Agent and Lenders hereunder,
and the Collateral against the claims and demands of all other persons.

      6.5 Debtor will promptly notify Collateral Agent of any levy, distraint
or other seizure by legal process or otherwise of any part of the Collateral,
and of any threatened or filed claims or proceedings that are reasonably likely
to affect or impair any of the rights of Collateral Agent under this Security
Agreement in any material respect.

      6.6 Debtor, at its own expense, will obtain and maintain in force
insurance policies covering losses or damage to those items of Collateral which
constitute physical personal property. The insurance policies to be obtained by
Debtor shall be in form and amounts reasonably acceptable to Collateral Agent.
Debtor shall make the Collateral Agent first a loss payee thereon to the extent
of its interest in the Collateral. Collateral Agent is hereby irrevocably (until
the Obligations are paid in full) appointed Debtor' attorney-in-fact to endorse
any check or draft that may be payable to Debtor so that Collateral Agent may
collect the proceeds payable for any loss under such insurance. The proceeds of
such insurance (subject to the rights of senior secured parties), less any costs
and expenses incurred or paid by Collateral Agent in the collection thereof,
shall be applied either toward the cost of the repair or replacement of the
items damaged or destroyed, or on account of any sums secured hereby, whether or
not then due or payable.

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      6.7  Collateral Agent may, at its option, and without any obligation to
do so, pay, perform and discharge any and all amounts, costs, expenses and
liabilities herein agreed to be paid or performed by Debtor. Upon Debtor's
failure to do so, all amounts expended by Collateral Agent in so doing shall
become part of the Obligations secured hereby, and shall be immediately due and
payable by Debtor to Collateral Agent upon demand and shall bear interest at the
lesser of 15% per annum or the highest legal amount from the dates of such
expenditures until paid.

      6.8  Upon the request of Collateral Agent, Debtor will furnish to
Collateral Agent within five (5) business days thereafter, or to any proposed
assignee of this Security Agreement, a written statement in form reasonably
satisfactory to Collateral Agent, duly acknowledged, certifying the amount of
the principal and interest and any other sum then owing under the Obligations,
whether to its knowledge any claims, offsets or defenses exist against the
Obligations or against this Security Agreement, or any of the terms and
provisions of any other agreement of Debtor securing the Obligations. In
connection with any assignment by Collateral Agent of this Security Agreement,
Debtor hereby agrees to cause the insurance policies required hereby to be
carried by Debtor, if any, to be endorsed in form satisfactory to Collateral
Agent or to such assignee, with loss payable clauses in favor of such assignee,
and to cause such endorsements to be delivered to Collateral Agent within ten
(10) calendar days after request therefor by Collateral Agent.

      6.9  Debtor will, at its own expense, make, execute, endorse,
acknowledge, file and/or deliver to the Collateral Agent from time to time such
vouchers, invoices, schedules, confirmatory assignments, conveyances, financing
statements, transfer endorsements, powers of attorney, certificates, reports and
other reasonable assurances or instruments and take further steps relating to
the Collateral and other property or rights covered by the security interest
hereby granted, as the Collateral Agent may reasonably require to perfect its
security interest hereunder.

      6.10 Debtor represents and warrants that it is the true and lawful
exclusive owner of the Collateral, free and clear of any liens and encumbrances.

      6.11 Debtor hereby agrees not to divest itself of any right under the
Collateral except as permitted herein absent prior written approval of the
Collateral Agent, except to a subsidiary organized and located in the United
States on prior notice to Collateral Agent provided the Collateral remains
subject to the security interest herein described.

      6.12 Debtor shall cause each Subsidiary of Debtor in existence on the
date hereof and each Subsidiary not in existence on the date hereof to execute
and deliver to Collateral Agent promptly and in any event within 10 days after
the formation, acquisition or change in status thereof (A) a guaranty
guaranteeing the Obligations and (B) if requested by Collateral Agent, a
security and pledge agreement substantially in the form of this Agreement
together with (x) certificates evidencing all of the capital stock of each
Subsidiary and any entity owned by such Subsidiary, (y) undated stock powers
executed in blank with signatures guaranteed, and (z) such opinion of counsel
and such approving certificate of such Subsidiary as Collateral Agent may
reasonably request in respect of complying with any legend on any such
certificate or any other matter relating to such shares and (E) such other
agreements, instruments, approvals, legal opinions or other documents reasonably
requested by Collateral Agent in order to create, perfect, establish the first
priority of or otherwise protect any lien purported to be covered by any such
pledge and security agreement or otherwise to effect the intent that all
property and assets of such Subsidiary shall become Collateral for the
Obligations. For purposes of this Agreement, "Subsidiary" means, with respect to
any entity at any date, any corporation, limited or general partnership, limited
liability company, trust, estate, association, joint venture or other business
entity) of which more than 50% of (A) the outstanding capital stock having (in
the absence of contingencies) ordinary voting power to elect a majority of the
board of directors or other managing body of such entity, (B) in the case of a
partnership or limited liability company, the interest in the capital or profits
of such partnership or limited liability company or (C) in the case of a trust,
estate, association, joint venture or other entity, the beneficial interest in
such trust, estate, association or other entity business is, at the time of
determination, owned or controlled directly or indirectly through one or more
intermediaries, by such entity. Annex I annexed hereto contains a list of all
Subsidiaries of the Debtor as of the date of this Agreement.

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7.    Power of Attorney.

      After the occurrence and during the uncured continuation of an Event of
Default as defined in Section 9 below, Debtor hereby irrevocably constitutes and
appoints the Collateral Agent as the true and lawful attorney of Debtor, with
full power of substitution, in the place and stead of Debtor and in the name of
Debtor or otherwise, at any time or times, in the discretion of the Collateral
Agent, to take any action and to execute any instrument or document which the
Collateral Agent may deem necessary or advisable to accomplish the purposes of
this Agreement. This power of attorney is coupled with an interest and is
irrevocable until the Obligations are satisfied.

8.    Performance By The Collateral Agent.

      If Debtor fails to perform any material covenant, agreement, duty or
obligation of Debtor under this Agreement, the Collateral Agent may, after any
applicable cure period, at any time or times in its discretion, take action to
effect performance of such obligation. All reasonable expenses of the Collateral
Agent incurred in connection with the foregoing authorization shall be payable
by Debtor as provided in Paragraph 12.1 hereof. No discretionary right, remedy
or power granted to the Collateral Agent under any part of this Agreement shall
be deemed to impose any obligation whatsoever on the Collateral Agent with
respect thereto, such rights, remedies and powers being solely for the
protection of the Collateral Agent.

9.    Event of Default.

      An event of default ("Event of Default") shall be deemed to have occurred
hereunder upon the occurrence of any event of default as defined and described
in this Agreement, in the Notes, Subscription Agreement, and any other
agreement to which Debtor and a Lender are parties. Upon and after any Event of
Default, after the applicable cure period, if any, any or all of the Obligations
shall become immediately due and payable at the option of the Collateral Agent,
for the benefit of the Lenders, and the Collateral Agent may dispose of
Collateral as provided below. A default by Debtor of any of its material
obligations pursuant to this Agreement and any of the Transaction Documents (as
defined in the Subscription Agreement) shall be an Event of Default hereunder
and an "Event of Default" as defined in the Notes, and Subscription Agreement.

10.   Disposition of Collateral.

      Upon and after any Event of Default which is then continuing,

      10.1 The Collateral Agent may exercise its rights with respect to each
and every component of the Collateral, without regard to the existence of any
other security or source of payment for the Obligations. In addition to other
rights and remedies provided for herein or otherwise available to it, the
Collateral Agent shall have all of the rights and remedies of a lender on
default under the Uniform Commercial Code then in effect in the State of New
York.

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      10.2 If any notice to Debtor of the sale or other disposition of
Collateral is required by then applicable law, five business (5) days prior
written notice (which Debtor agrees is reasonable notice within the meaning of
Section 9.612(a) of the Uniform Commercial Code) shall be given to Debtor of the
time and place of any sale of Collateral which Debtor hereby agrees may be by
private sale. The rights granted in this Section are in addition to any and all
rights available to Collateral Agent under the Uniform Commercial Code.

      10.3 The Collateral Agent is authorized, at any such sale, if the
Collateral Agent deems it advisable to do so, in order to comply with any
applicable securities laws, to restrict the prospective bidders or purchasers to
persons who will represent and agree, among other things, that they are
purchasing the Collateral for their own account for investment, and not with a
view to the distribution or resale thereof, or otherwise to restrict such sale
in such other manner as the Collateral Agent deems advisable to ensure such
compliance. Sales made subject to such restrictions shall be deemed to have been
made in a commercially reasonable manner.

      10.4 All proceeds received by the Collateral Agent for the benefit of
the Lenders in respect of any sale, collection or other enforcement or
disposition of Collateral, shall be applied (after deduction of any amounts
payable to the Collateral Agent pursuant to Paragraph 12.1 hereof) against the
Obligations pro rata among the Lenders in proportion to their interests in the
Obligations. Upon payment in full of all Obligations, Debtor shall be entitled
to the return of all Collateral, including cash, which has not been used or
applied toward the payment of Obligations or used or applied to any and all
costs or expenses of the Collateral Agent incurred in connection with the
liquidation of the Collateral (unless another person is legally entitled
thereto). Any assignment of Collateral by the Collateral Agent to Debtor shall
be without representation or warranty of any nature whatsoever and wholly
without recourse. To the extent allowed by law, each Lender may purchase the
Collateral and pay for such purchase by offsetting up to such Lender's pro rata
portion of the purchase price with sums owed to such Lender by Debtor arising
under the Obligations or any other source.

11.   Waiver of Automatic Stay. Debtor acknowledges and agrees that should a
proceeding under any bankruptcy or insolvency law be commenced by or against
Debtor, or if any of the Collateral should become the subject of any bankruptcy
or insolvency proceeding, then the Collateral Agent should be entitled to, among
other relief to which the Collateral Agent or Lenders may be entitled under the
Note, Subscription Agreement and any other agreement to which the Debtor,
Lenders or Collateral Agent are parties, (collectively "Loan Documents") and/or
applicable law, an order from the court granting immediate relief from the
automatic stay pursuant to 11 U.S.C. Section 362 to permit the Collateral Agent
to exercise all of its rights and remedies pursuant to the Loan Documents and/or
applicable law. Debtor EXPRESSLY WAIVES THE BENEFIT OF THE AUTOMATIC STAY
IMPOSED BY 11 U.S.C. SECTION 362. FURTHERMORE, Debtor EXPRESSLY ACKNOWLEDGES AND
AGREES THAT NEITHER 11 U.S.C. SECTION 362 NOR ANY OTHER SECTION OF THE
BANKRUPTCY CODE OR OTHER STATUTE OR RULE (INCLUDING, WITHOUT LIMITATION, 11
U.S.C. SECTION 105) SHALL STAY, INTERDICT, CONDITION, REDUCE OR INHIBIT IN ANY
WAY THE ABILITY OF THE COLLATERAL AGENT TO ENFORCE ANY OF ITS RIGHTS AND
REMEDIES UNDER THE LOAN DOCUMENTS AND/OR APPLICABLE LAW. Debtor hereby consents
to any motion for relief from stay which may be filed by the Collateral Agent in
any bankruptcy or insolvency proceeding initiated by or against Debtor, and
further agrees not to file any opposition to any motion for relief from stay
filed by the Collateral Agent. Debtor represents, acknowledges and agrees that
this provision is a specific and material aspect of this Agreement, and that the
Collateral Agent would not agree to the terms of this Agreement if this waiver
were not a part of this Agreement. Debtor further represents, acknowledges and
agrees that this waiver is knowingly, intelligently and voluntarily made, that
neither the Collateral Agent nor any person acting on behalf of the Collateral
Agent has made any representations to induce this waiver, that Debtor has been
represented (or has had the opportunity to be represented) in the signing of
this Agreement and in the making of this waiver by independent legal counsel
selected by Debtor and that Debtor has had the opportunity to discuss this
waiver with counsel. Debtor further agrees that any bankruptcy or insolvency
proceeding initiated by Debtor will only be brought in the Federal Court within
the Southern District of New York.

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12.   Miscellaneous.

      12.1 Expenses. Debtor shall pay to the Collateral Agent, on demand, the
amount of any and all reasonable expenses, including, without limitation,
attorneys' fees, legal expenses and brokers' fees, which the Collateral Agent
may incur in connection with (a) sale, collection or other enforcement or
disposition of Collateral; (b) exercise or enforcement of any the rights,
remedies or powers of the Collateral Agent hereunder or with respect to any or
all of the Obligations upon breach or threatened breach; or (c) failure by
Debtor to perform and observe any agreements of Debtor contained herein which
are performed by the Collateral Agent.

      12.2 Waivers, Amendment and Remedies. No course of dealing by the
Collateral Agent and no failure by the Collateral Agent to exercise, or delay by
the Collateral Agent in exercising, any right, remedy or power hereunder shall
operate as a waiver thereof, and no single or partial exercise thereof shall
preclude any other or further exercise thereof or the exercise of any other
right, remedy or power of the Collateral Agent. No amendment, modification or
waiver of any provision of this Agreement and no consent to any departure by
Debtor therefrom, shall, in any event, be effective unless contained in a
writing signed by the Collateral Agent, and then such waiver or consent shall be
effective only in the specific instance and for the specific purpose for which
given. The rights, remedies and powers of the Collateral Agent, not only
hereunder, but also under any instruments and agreements evidencing or securing
the Obligations and under applicable law are cumulative, and may be exercised by
the Collateral Agent from time to time in such order as the Collateral Agent may
elect.

      12.3 Notices. All notices or other communications given or made
hereunder shall be in writing and shall be personally delivered or deemed
delivered the first business day after being faxed (provided that a copy is
delivered by first class mail) to the party to receive the same at its address
set forth below or to such other address as either party shall hereafter give to
the other by notice duly made under this Section:

           To Debtor:         Addison-Davis Diagnostics, Inc.
                              143 Triumfo Canyon Road, Suite 104
                              Westlake Village, CA 91361
                              Attn: Charles Miseroy, President
                              Fax: (210) 568-9761

           With an additional copy by telecopier only to:

                              Sichenzia Ross Friedman Ference LLP
                              1065 Avenue of Americas
                              New York, NY 10018
                              Attn: Darrin M. Ocasio, Esq.
                              Fax: (212) 930-9725

                                       9
<PAGE>

           To Lenders:               To the addresses and telecopier numbers set
                                     forth on Schedule A

           To the Collateral Agent:  Barbara R. Mittman
                                     Grushko & Mittman, P.C.
                                     551 Fifth Avenue, Suite 1601
                                     New York, New York 10176
                                     Fax: (212) 697-3575

Any party may change its address by written notice in accordance with this
paragraph.

      12.4 Term; Binding Effect. This Agreement shall (a) remain in full
force and effect until payment and satisfaction in full of all of the
Obligations; (b) be binding upon Debtor, and its successors and permitted
assigns; and (c) inure to the benefit of the Collateral Agent, for the benefit
of the Lenders and their respective successors and assigns. All the rights and
benefits granted by Debtor to the Collateral Agent and Lenders in the Loan
Documents and other agreements and documents delivered in connection therewith
are deemed granted to both the Collateral Agent and Lenders.

      12.5 Captions. The captions of Paragraphs, Articles and Sections in
this Agreement have been included for convenience of reference only, and shall
not define or limit the provisions hereof and have no legal or other
significance whatsoever.

      12.6 Governing Law; Venue; Severability. This Agreement shall be
governed by and construed in accordance with the laws of the State of New York
without regard to conflicts of laws principles that would result in the
application of the substantive laws of another jurisdiction, except to the
extent that the perfection of the security interest granted hereby in respect of
any item of Collateral may be governed by the law of another jurisdiction. Any
legal action or proceeding against Debtor with respect to this Agreement may be
brought in the courts in the State of New York or of the United States for the
Southern District of New York, and, by execution and delivery of this Agreement,
Debtor hereby irrevocably accepts for itself and in respect of its property,
generally and unconditionally, the jurisdiction of the aforesaid courts. Debtor
hereby irrevocably waives any objection which they may now or hereafter have to
the laying of venue of any of the aforesaid actions or proceedings arising out
of or in connection with this Agreement brought in the aforesaid courts and
hereby further irrevocably waives and agrees not to plead or claim in any such
court that any such action or proceeding brought in any such court has been
brought in an inconvenient forum. If any provision of this Agreement, or the
application thereof to any person or circumstance, is held invalid, such
invalidity shall not affect any other provisions which can be given effect
without the invalid provision or application, and to this end the provisions
hereof shall be severable and the remaining, valid provisions shall remain of
full force and effect.

      12.7 Entire Agreement. This Agreement contains the entire agreement of
the parties and supersedes all other agreements and understandings, oral or
written, with respect to the matters contained herein.

      12.8 Counterparts/Execution. This Agreement may be executed in any
number of counterparts and by the different signatories hereto on separate
counterparts, each of which, when so executed, shall be deemed an original, but
all such counterparts shall constitute but one and the same instrument. This
Agreement may be executed by facsimile signature and delivered by facsimile
transmission.

                                       10
<PAGE>

13.   Intercreditor Terms. As between the Lenders, any distribution under
paragraph 5 shall be made proportionately based upon the remaining principal
amount (plus accrued and unpaid interest) to each as to the total amount then
owed to the Lenders as a whole. The rights of each Lender hereunder are pari
passu to the rights of the other Lenders hereunder. Any recovery hereunder shall
be shared ratably among the Lenders according to the then remaining principal
amount owed to each (plus accrued and unpaid interest) as to the total amount
then owed to the Lenders as a whole.

                      [THIS SPACE INTENTIONALLY LEFT BLANK]

                                       11
<PAGE>

         IN WITNESS WHEREOF, the undersigned have executed and delivered this
Security Agreement, as of the date first written above.

"DEBTOR"                                    "THE COLLATERAL AGENT"
ADDISON-DAVIS DIAGNOSTICS, INC.             BARBARA R. MITTMAN
a Delaware corporation

By: /s/ Charles Miseroy                     /s/ Barbara R. Mittman
    -----------------------------------     ------------------------------------

Its: Chief Executive Officer
     ----------------------------------

                             APPROVED BY "LENDERS":

/s/ Howard Ackermann                        /s/ Evan Schemenauer
---------------------------------------     ------------------------------------
ALPHA CAPITAL AKTIENGESELLSCHAFT            WHALEHAVEN CAPITAL FUND LIMITED

/s/ Wilhelm Unger
---------------------------------------     ------------------------------------
ELLIS INTERNATIONAL LTD.                    OSHER CAPITAL INC.

        This Security Agreement may be signed by facsimile signature and
                 delivered by confirmed facsimile transmission.

                                       12
<PAGE>

                        SCHEDULE A TO SECURITY AGREEMENT

<TABLE>
<CAPTION>
----------------------------------------------------------------------------------------------
LENDERS                                  NOTE                PAYMENT AFTER         CLASS A
                                         PRINCIPAL           ORIGINAL ISSUE        WARRANTS
                                                             DISCOUNT
----------------------------------------------------------------------------------------------
<S>                                      <C>                 <C>                   <C>
ALPHA CAPITAL AKTIENGESELLSCHAFT         $120,000.00         $100,000.00           200,000
Pradafant 7
9490 Furstentums
Vaduz, Lichtenstein
Fax: 011-42-32323196
----------------------------------------------------------------------------------------------
WHALEHAVEN CAPITAL FUND LIMITED          $120,000.00         $100,000.00           200,000
3rd Floor, 14 Par-Laville Road
Hamilton, Bermuda HM08
Fax: (441) 292-1373
----------------------------------------------------------------------------------------------
ELLIS INTERNATIONAL LTD.                 $60,000.00          $50,000.00            100,000
53rd Street Urbanizacion Obarrio
Swiss Tower, 16th Floor, Panama
Republic of Panama
Fax: (516) 887-8990
----------------------------------------------------------------------------------------------
OSHER CAPITAL INC.                       $60,000.00          $50,000.00            100,000
5 Sansberry Lane
Spring Valley, NY 10977
Fax: (212) 586-8244
----------------------------------------------------------------------------------------------
TOTAL                                    $360,000.00         $300,000.00           600,000
----------------------------------------------------------------------------------------------
</TABLE>

                                       13
<PAGE>

                                     ANNEX I

                                       TO

                               SECURITY AGREEMENT

                                PLEDGE AMENDMENT

         This Pledge Amendment, dated _________ __ 200_, is delivered pursuant
to Section 4.3 of the Security Agreement referred to below. The undersigned
hereby agrees that this Pledge Amendment may be attached to the Security
Agreement, dated April ____, 2006, as it may heretofore have been or hereafter
may be amended, restated, supplemented or otherwise modified from time to time
and that the shares listed on this Pledge Amendment shall be hereby pledged and
assigned to Collateral Agent and become part of the Collateral referred to in
such Security Agreement and shall secure all of the Obligations referred to in
such Security Agreement.

--------------------------------------------------------------------------------
                                  Number                          Certificate
Name of Issuer                   of Shares          Class          Number(s)
--------------------------------------------------------------------------------

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

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

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

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

                                       ADDISON-DAVIS DIAGNOSTICS, INC.

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

                                       14NOTICE
      OF SPECIAL OFFER

    

    March
      28,
      2006

    

    

    To
      the
      Holders of Series A and Series B Common Stock Purchase Warrants of Veridicom
      International, Inc.

    

    Veridicom
      International, Inc. (the “Company”) is extending a special warrant offer (the
“Special Warrant Offer”) to all holders of the Company’s (i) Series A and Series
      B Warrants issued on February 25, 2005, April 29, 2005 and August 16, 2005
      expiring five years after such dates (the “Original Warrants”). As part of the
      Special Warrant Offer, the exercise price of the Original Warrants shall be
      reduced from the exercise price referred to above to $0.04 per
      share
      (the “Reduced Exercise Price”).

    

    The
      Company and the holders are consummating the Special Warrant Offer in reliance
      upon the exemption from securities registration afforded by the rules and
      regulations as promulgated by the United States Securities and Exchange
      Commission under Section 4(2) of the Securities Act of 1933, as amended (the
      “Securities Act”), and pursuant to Regulation D promulgated thereunder. Based in
      material part upon the representations of the holder in the Form of Election
      to
      Purchase, the Company has complied and will comply with all applicable federal
      and state securities laws in connection with the offer, issuance and sale of
      the
      securities pursuant to the Special Warrant Offer.

    

    Neither
      the Company nor anyone acting on its behalf, directly or indirectly, has or
      will
      sell, offer to sell or solicit offers to buy any of the securities or similar
      securities to, or solicit offers with respect thereto from, or enter into any
      negotiations relating thereto with, any person, or has taken or will take any
      action so as to bring the issuance and sale of any of the securities under
      the
      registration provisions of the Securities Act and applicable state securities
      laws, and neither the Company nor any of its affiliates, nor any person acting
      on its or their behalf, has engaged in any form of general solicitation or
      general advertising (within the meaning of Regulation D under the Securities
      Act) in connection with the offer or sale of any of the securities.

    

    Enclosed
      herewith please find an Election Form in connection with the Special Warrant
      Offer.

    

    The
      Special Warrant Offer shall commence on 11 a.m. Eastern Time on March 30, 2006
      and expire at 5:00 p.m. Eastern Time on April 10, 2006. Thereafter, all the
      Original Warrants that were not exercised pursuant to the Special Warrant Offer
      shall retain all of their previous rights and remain in full force and effect.
      If you choose to participate in the Special Warrant Offer, please sign the
      Form
      of Election to Purchase and fax and send by overnight express service the
      executed documents together with the Original Warrants to:

    

    Veridicom
      International, Inc.

    Attn:
      Paul Mann

    3800-999
      Third Avenue

    Seattle,
      Washington 98104-4023

    Phone:
      (206) 224-6206

    Fax:
      (206) 224-6207

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    
 

    Upon
      receipt of the signed Election to Purchase and cash payment of the Reduced
      Exercise Price for the Original Warrants being exercised, the Company shall
      deliver the certificates representing the shares of common stock issuable upon
      exercise of the Original Warrants to the address specified in the Form of
      Election to Purchase. The aggregate Reduced Exercise Price for the exercise
      of
      the Original Warrants should be wired to the account of Veridicom International,
      Inc. per the following wiring instructions:

    

    Wells
      Fargo

    999-3rd
      Avenue,
      Lobby Level

    Seattle,
      Washington 98104

    ABA
      Number: 121000248

    Swift
      ID:
      WFBIUS6SSEA

    For
      Credit to: Veridicom International, Inc.

    Account
      No.: 3800 334 538

    

    If
      you
      have any further questions or comments, please call Paul Mann at (206)
      224-6206.

    

    Sincerely,

    

    

    

    Paul
      Mann

    President
      

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    EXHIBIT
      “A” to Notice of Special Offer

    

    Veridicom
      International, Inc.

    3800-999
      Third Avenue

    Seattle,
      Washington 98104-4023

    Phone:
      (206) 224-6206

    Fax:
      (206) 224-6207

    

    ELECTION
      FORM

    

    I,
      ___________________________ of _________________________, hereby agree to
      tender

    Name

    _________________
      (number
      of warrants)
      Series A
      and Series B common stock purchase warrants of Veridicom International, Inc.
      (the “Company”), to the Company. I understand that upon such tender, the
      exercise price of 100% of the Class A common stock purchase warrants
      (“Warrants”) issued by the Company on February 25, 2005, April 25, 2005 and
      August 19, 2005, will be reduced to $0.04 in consideration of my agreement
      to
      exercise the above designated amount of the reduced price Series A and Series
      B
      common stock purchase warrants.

    

    I
      enclose
      a check for $________, payable to Veridicom International, Inc. to cover this
      purchase or I have initiated a wire transfer to Veridicom to the following
      wire
      coordinates:

    

    Wells
      Fargo

    999-3rd
      Avenue,
      Lobby Level

    Seattle,
      Washington 98104

    ABA
      Number: 121000248

    Swift
      ID:
      WFBIUS6SSEA

    For
      Credit to: Veridicom International, Inc.

    Account
      No.: 3800 334 538

    

    The
      undersigned acknowledges that the Company has previously delivered _________
      shares of common stock issuable upon exercise of the Warrants and will only
      deliver _________ additional shares of common stock in connection with the
      Warrant exercise described herein. As a condition of this Warrant exercise
      and
      in connection therewith the Company will reinstate $_________ of the principal
      of the Company’s Notes purchased by me contemporaneously with the Warrants and
      accordingly cancel an equivalent amount of the conversion of such Notes which
      was the subject of a Notice of Conversion delivered to the Company on
      _____________, 200__. After giving effect to the foregoing as of April ___,
      2006, the undersigned is holding $__________ of Note principal on which
      $_________ interest has accrued.

     

     

    __________________________________

    Signature

    On
      behalf
      of _______________________

     

    ______________________________

    Date

     

    ___________________________________________

    (1)
      Original Warrants are not required to accompany the Election Form and will
      be
      cancelled on the books and records of the Company upon delivery of common stock
      issuable upon the exercise thereof.

    (2)
      This
      election form may be delivered to Veridicom International, Inc. at the above
      address or faxed to Veridicom International, Inc. at (206) 224-6207, Attn:
      Paul
      Mann. Exercise of the Warrant will be effective only upon receipt by Veridicom
      International, Inc. of the check or wire transfer.

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