NEOPROBE CORP
EX-10.3
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<TYPE>EX-10.3
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<FILENAME>l29382aexv10w3.htm
<DESCRIPTION>EX-10.3
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt">Exhibit&nbsp;10.3
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">THIS NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION HEREOF HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &#147;ACT&#148;), OR APPLICABLE STATE SECURITIES LAWS, AND
MAY NOT BE SOLD, TRANSFERRED, OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR
RECEIPT BY THE MAKER OF AN OPINION OF COUNSEL IN THE FORM, SUBSTANCE AND SCOPE REASONABLY
SATISFACTORY TO THE MAKER THAT THIS NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION
HEREOF MAY BE SOLD, TRANSFERRED, OR OTHERWISE DISPOSED OF, UNDER AN EXEMPTION FROM REGISTRATION
UNDER THE ACT AND SUCH STATE SECURITIES LAWS.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 12pt"><B>NEOPROBE CORPORATION</B>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Form of 10% Series&nbsp;B Senior Secured Convertible Promissory Note<BR>
due December&nbsp;26, 2011

</DIV>
<DIV align="center">
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    <TD><DIV style="margin-left:15px; text-indent:-15px">No. <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left">$</TD>
    <TD align="right">3,000,000.00</TD>
    <TD>&nbsp;</TD>
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    <TD><DIV style="margin-left:15px; text-indent:-15px">Dated: &#091; <B>&#149;</B> &#093;, 2008</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For value received, NEOPROBE CORPORATION, a Delaware corporation (the &#147;<U>Maker</U>&#148;), hereby
promises to pay to the order of Platinum-Montaur Life Sciences, LLC, 152 West 57th Street, New
York, NY 10019 (together with its successors, representatives, and permitted assigns, the
&#147;<U>Holder</U>&#148;), in accordance with the terms hereinafter provided, the principal amount of Three
Million and 00/100 Dollars ($3,000,000.00), together with interest thereon. This Note is being
issued pursuant to the Purchase Agreement (as defined in Section&nbsp;1.1 hereof). The Maker has also
issued to the Holder the Maker&#146;s 10% Series&nbsp;A Senior Secured Convertible Promissory Note
(&#147;<U>Series&nbsp;A Note</U>&#148;) and may issue to the Purchaser shares of the Maker&#146;s 8% Series&nbsp;A
Convertible Preferred Stock (&#147;<U>Preferred Stock</U>&#148;). The Series&nbsp;A Notes and the Series&nbsp;B Notes
are collectively referred to herein as the &#147;<U>Notes</U>.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All payments under or pursuant to this Note shall be made in United States Dollars in
immediately available funds to the Holder at the address of the Holder first set forth above or at
such other place as the Holder may designate from time to time in writing to the Maker or by wire
transfer of funds to the Holder&#146;s account, instructions for which are attached hereto as Exhibit&nbsp;A.
The outstanding principal balance of this Note shall be due and payable on December&nbsp;26, 2011 (the
&#147;<U>Maturity Date</U>&#148;) or at such earlier time as provided herein.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 12pt"><B>ARTICLE I</B>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>PAYMENT TERMS</B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.1 <U>Purchase Agreement</U>. This Note has been executed and delivered pursuant to the
Securities Purchase Agreement, dated as of December&nbsp;26, 2007 (the &#147;<U>Purchase Agreement</U> &#147;),
by and among the Maker and the purchasers listed therein. Capitalized terms used and not otherwise
defined herein shall have the meanings set forth for such terms in the Purchase Agreement.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.2 <U>Interest</U>. Beginning on the issuance date of this Note (the &#147;<U>Issuance Date</U>&#148;),
the outstanding principal balance of this Note shall bear interest, in arrears, at a rate per annum
equal to ten percent (10%), payable monthly on the first day of each calendar month (each, an
&#147;<U>Interest Payment Date</U>&#148;) commencing February&nbsp;1, 2008, at the option of the Maker in (A)
cash or (B)&nbsp;in registered shares of Common Stock; <I>provided, however, </I>(i)&nbsp;payment of interest in
shares of Common Stock may only occur if during the 20 Trading Days immediately prior to the
applicable Interest Payment Date and through and including the date such shares of Common Stock are
issued to the Holder all of the Equity Conditions, unless waived by the Holder in writing, have
been met and the Maker shall have given the Holder notice in accordance with the notice
requirements set forth below, and (ii)&nbsp;as to such Interest Payment Date, on or prior to such
Interest Payment Date, the Maker shall have delivered to the Holder&#146;s account with The Depository
Trust Company a number of shares of Common Stock to be applied against such interest payment equal
to the quotient of (x)&nbsp;the applicable interest payment divided by (y)&nbsp;90% of the average VWAP for
the five (5)&nbsp;Trading Days immediately preceding the Interest Payment Date. Interest shall be
computed on the basis of a 360-day year of twelve (12)&nbsp;30-day months, shall compound monthly and
shall accrue commencing on the Issuance Date. Furthermore, upon the occurrence of an Event of
Default (as defined in Section&nbsp;2.1 hereof), the Maker will pay interest to the Holder, payable on
demand, on the outstanding principal balance of and unpaid interest on the Note from the date of
the Event of Default until such Event of Default is cured at the rate of the lesser of thirteen
percent (13%) and the maximum applicable legal rate per annum. Notwithstanding the above, the
Maker may not issue a number of shares of Common Stock in excess of the Maximum Monthly Interest
Share Amount toward the payment of Interest, as to all outstanding Series&nbsp;A Notes and Series&nbsp;B
Notes, in the aggregate, during any rolling twenty (20)&nbsp;Trading Day period. For purposes hereof,
&#147;<U>Maximum Monthly Interest Share Amount</U>&#148; means 20% of the aggregate dollar trading volume
(as reported on Bloomberg) of the Common Stock on the principal Trading Market over the twenty (20)
consecutive Trading Day period immediately prior to the applicable Interest Payment Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.3 <U>Payment of Principal; No Prepayment</U>. The Principal Amount hereof shall be paid
in full on the Maturity Date or, if earlier, upon acceleration of this Note in accordance with the
terms hereof. Any amount of principal repaid hereunder may not be reborrowed. The Maker may not
prepay any portion of the principal amount of this Note without the prior written consent of the
Holder, which may be withheld in the Holder&#146;s sole and absolute discretion.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.4 <U>Security Agreement</U>. The obligations of the Maker hereunder are secured by a
continuing security interest in certain assets of the Maker pursuant to the terms of a Security
Agreement dated as of December&nbsp;26, 2007 by and between the Maker and the Holder, a Patent,
Trademark and Copyright Security Agreement, dated as of December&nbsp;26, 2007, by and among the Maker
and the Maker&#146;s subsidiaries, on the one hand, and the Holder, on the other hand, and a Blocked
Account Control Agreement (&#147;<U>Account Control Agreement</U>&#148;) among the Maker, the Holder and
U.S. Bank National Association (&#147;<U>Bank</U>&#148;), pursuant to the terms of Section&nbsp;5.15 of the
Purchase Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.5 <U>Payment on Non-Business Days</U>. Whenever any payment to be made shall be due on a
Saturday, Sunday or a public holiday under the laws of the State of New York, such payment may be
due on the next succeeding business day and such next succeeding day shall be included in the
calculation of the amount of accrued interest payable on such date.
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.6 <U>Transfer</U>. This Note may be transferred or sold, subject to the provisions of
Section&nbsp;5.8 hereof, or pledged, hypothecated or otherwise granted as security by the Holder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.7 <U>Replacement</U>. Upon receipt of a duly executed, notarized and unsecured written
statement from the Holder with respect to the loss, theft or destruction of this Note (or any
replacement hereof) and a standard indemnity, or, in the case of a mutilation of this Note, upon
surrender and cancellation of such Note, the Maker shall issue a new Note, of like tenor and
amount, in lieu of such lost, stolen, destroyed or mutilated Note.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.8 <U>Use of Proceeds</U>. The Maker shall use the proceeds of this Note as set forth in
the Purchase Agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.9 <U>Allocation of Payments</U>. All payments to each of the Series&nbsp;B Holders under the
Series&nbsp;B Notes shall be made pro rata among the Series&nbsp;B Holders based upon the aggregate unpaid
principal amount of the Series&nbsp;B Notes held by them.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 12pt"><B>ARTICLE II</B>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>EVENTS OF DEFAULT; REMEDIES</B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.1 Events of Default. The occurrence of any of the following events shall be an &#147;<U>Event of
Default</U>&#148; under this Note:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;any default in the payment of (i)&nbsp;the principal amount hereunder when due, or (ii)
interest on, or liquidated damages in respect of, this Note, as and when the same shall become due
and payable (whether on the Maturity Date or by acceleration or otherwise); or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;the suspension from listing, without subsequent listing on any one of, or the failure of
the Common Stock to be listed on at least one of the OTC Bulletin Board, the American Stock
Exchange, the Nasdaq Global Select Market, the Nasdaq Global Market, the Nasdaq Capital Market or
The New York Stock Exchange, Inc. for a period of more than five (5)&nbsp;consecutive Trading Days; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;the Maker shall fail to (i)&nbsp;timely deliver the shares of Common Stock upon conversion of
the Note or any interest accrued and unpaid, (ii)&nbsp;file a Registration Statement in accordance with
the terms of the Registration Rights Agreement or (iii)&nbsp;make the payment of any fees or other
payments due under this Note, the Purchase Agreement, the Registration Rights Agreement or the
other Transaction Documents, which failure is not remedied within five (5)&nbsp;business days after such
performance is due; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;while the Registration Statement is required to be maintained effective pursuant to the
terms of the Registration Rights Agreement, the effectiveness of the Registration Statement (as
defined in the Registration Rights Agreement) lapses for any reason (including, without limitation,
the issuance of a stop order) or is unavailable to the Holder for sale of the Registrable
Securities (as defined in the Registration Rights Agreement) as provided in the Registration Rights
Agreement (other than as a result of any breach of the Registration Rights Agreement or violation
of law by any holder of the Notes, or their agents or Affiliates), and such lapse or unavailability
continues for a period of ten (10)&nbsp;consecutive Trading Days, provided
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">that the Maker has not exercised its rights pursuant to Section 3(n) of the Registration
Rights Agreement; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;default shall be made in the performance or observance of (i)&nbsp;any covenant, condition or
agreement contained in this Note (other than is set forth in (a)&nbsp;through (d)&nbsp;above) and such
default is not cured within ten (10)&nbsp;days after the earlier of (A)&nbsp;the date the Maker receives
notice from the Holder of the occurrence thereof or (B)&nbsp;the date on which the Maker knew or should
have known, if it had exercised reasonable diligence, of such default, or (ii)&nbsp;any material
covenant, condition or agreement contained in the Purchase Agreement, Registration Rights
Agreement, the Series&nbsp;A Note, or any other Transaction Document that is not covered by any other
provisions of this Section&nbsp;2.1 and such default is not cured within ten (10)&nbsp;days after the earlier
of (A)&nbsp;the date the Maker receives notice from the Holder of the occurrence thereof or (B)&nbsp;the date
on which the Maker knew or should have known, if it had exercised reasonable diligence, of such
default; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f)&nbsp;any material representation or warranty made by the Maker herein or in the Purchase
Agreement, the Series&nbsp;A Note or any other Transaction Document shall prove to have been false or
incorrect or breached in a material respect on the date as of which made; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g)&nbsp;the Maker shall (i)&nbsp;default in any payment of any amount or amounts of principal of or
interest on any Indebtedness (other than the Indebtedness hereunder) the aggregate principal amount
of which Indebtedness, in the aggregate, exceeds $100,000, which default entitles the holder or
holders of such Indebtedness to accelerate the maturity thereof, or (ii)&nbsp;default in the observance
or performance of any other agreement or condition relating to any Indebtedness or contained in any
instrument or agreement evidencing, securing or relating thereto, or any other event shall occur or
condition exist, which default, event or condition continues beyond any applicable cure period, and
the effect of which default, event or condition is to cause, or to permit the holder or holders or
beneficiary or beneficiaries of such Indebtedness to cause with the giving of notice if required,
such Indebtedness to become due prior to its stated maturity; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h)&nbsp;the Maker shall (i)&nbsp;apply for or consent to the appointment of, or the taking of
possession by, a receiver, custodian, trustee or liquidator of itself or of all or a substantial
part of its property or assets, (ii)&nbsp;make a general assignment for the benefit of its creditors,
(iii)&nbsp;commence a voluntary case under the United States Bankruptcy Code (as now or hereafter in
effect) or under the comparable laws of any jurisdiction (foreign or domestic), (iv)&nbsp;file a
petition seeking to take advantage of any bankruptcy, insolvency, moratorium, reorganization or
other similar law affecting the enforcement of creditors&#146; rights generally, (v)&nbsp;acquiesce in
writing to any petition filed against it in an involuntary case under United States Bankruptcy Code
(as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or
domestic), (vi)&nbsp;admit in writing its inability to pay its debts as they become due, or (vii)&nbsp;take
any action under the laws of any jurisdiction (foreign or domestic) analogous to any of the
foregoing; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;a proceeding or case shall be commenced in respect of the Maker, without its application
or consent, in any court of competent jurisdiction, seeking (i)&nbsp;the liquidation, reorganization,
moratorium, dissolution, winding up, or composition or readjustment of its debts,
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(ii)&nbsp;the appointment of a trustee, receiver, custodian, liquidator or the like of it or of all
or any substantial part of its assets in connection with the liquidation or dissolution of the
Maker, or (iii)&nbsp;similar relief in respect of it under any law providing for the relief of debtors,
and such proceeding or case described in clause (i), (ii)&nbsp;or (iii)&nbsp;shall continue undismissed, or
unstayed and in effect, for a period of sixty (60)&nbsp;days or any order for relief shall be entered in
an involuntary case under United States Bankruptcy Code (as now or hereafter in effect) or under
the comparable laws of any jurisdiction (foreign or domestic) against the Maker or action under the
laws of any jurisdiction (foreign or domestic) analogous to any of the foregoing shall be taken
with respect to the Maker and shall continue undismissed, or unstayed and in effect for a period of
sixty (60)&nbsp;days; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j)&nbsp;at any point after the accrual of 200 evaluable patients who have completed surgery and
injection of the drug in the Phase 3 clinical trials of Lymphoseek (NEO3-01B and NEO3-01M), the
failure of Maker to achieve the primary objective in such trials of efficacy of Lymphoseek, which
is the concordance of in-vivo detection rate of Lymphoseek and Vital Blue Dye in tumor-draining
sentinel lymph nodes as confirmed by pathology in at least eighty-five percent (85%) of such
patients, determined in good faith by the Company and the Holder following a review of the trial
data; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k) (k)&nbsp;the Bank shall provide written notice to the Maker or Holder of the Bank&#146;s termination
of the Account Control Agreement, and the Maker does not within forty-five (45)&nbsp;days following such
notice (i)&nbsp;establish a replacement blocked account pursuant to Section&nbsp;5.15 of the Purchase
Agreement with another financial institution, on substantially the same terms contained in the
Account Control Agreement, or as otherwise reasonably acceptable to Maker and Holder (the
&#147;Replacement Account&#148;), (ii)&nbsp;transfer all funds held in the account subject to the Account Control
Agreement to the Replacement Account, and (iii)&nbsp;provide evidence to the Holder that an instruction
letter, substantially in the form of the Instruction Letter attached as Exhibit&nbsp;M to the Purchase
Agreement, has been executed by each of the Maker and Ethicon, irrevocably instructing Ethicon to
make payments under the Ethicon Agreement to the Replacement Account; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l)&nbsp;the occurrence of any default or event of default under any other Note or the failure by
the Maker to comply with its material obligations under the Certificate of Designations governing
the terms of the Preferred Stock.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.2 <U>Remedies Upon An Event of Default</U>. If an Event of Default shall have occurred and
shall be continuing, the Holder of this Note may at any time at its option declare the entire
unpaid principal balance of this Note, together with all interest accrued hereon, due and payable,
and thereupon, the same shall be accelerated and so due and payable, without presentment, demand,
protest, or notice, all of which are hereby expressly unconditionally and irrevocably waived by the
Maker; <I>provided, however, </I>that upon the occurrence of an Event of Default described above, the
Holder, in its sole and absolute discretion, may (a)&nbsp;demand that the entire principal amount of
this Note then outstanding and all accrued and unpaid interest thereon shall be converted into
shares of Common Stock at the Conversion Price per share on the Trading Day immediately preceding
the date the Holder demands conversion pursuant to this clause, or (b)&nbsp;exercise or otherwise
enforce any one or more of the Holder&#146;s rights, powers, privileges, remedies and interests under
this Note (including, if applicable, pursuant to Section&nbsp;3.7 hereof),
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">the Purchase Agreement, the Registration Rights Agreement or applicable law. No course of
delay on the part of the Holder shall operate as a waiver thereof or otherwise prejudice the right
of the Holder. No remedy conferred hereby shall be exclusive of any other remedy referred to herein
or now or hereafter available at law, in equity, by statute or otherwise. No notice or other action
of Holder shall be required in the case of an Event of Default set forth in Sections&nbsp;2.1(h) or (i),
and, in such event, the outstanding principal balance and accrued interest hereunder shall be
automatically due and payable.
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 12pt"><B>ARTICLE III</B>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>CONVERSION; ANTIDILUTION</B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1 <U>Conversion Option</U>. At any time and from time to time on or after the Issuance
Date, the entire outstanding principal balance of this Note (the &#147;<U>Conversion Amount</U>&#148;) shall
be convertible (in whole or in part), at the option of the Holder (the &#147;<U>Conversion
Option</U>&#148;), into such number of fully paid and non-assessable shares of Common Stock (the
&#147;<U>Conversion Rate</U>&#148;) as is determined by dividing (x)&nbsp;that portion of the Conversion Amount
as of such date that the Holder elects to convert by (y)&nbsp;the Conversion Price (as defined in
Section&nbsp;3.2 hereof) then in effect on the date on which the Holder faxes a notice of conversion
(the &#147;<U>Conversion Notice</U>&#148;), duly executed, to the Maker (facsimile number (614)&nbsp;793-7520,
Attn.: Brent L. Larson, Vice President &#151; Finance) (the &#147;<U>Conversion Date</U>&#148;); <I>provided,
however, </I>that the Conversion Price shall be subject to adjustment as described in Section&nbsp;3.5
below. The Holder shall deliver this Note to the Maker at the address designated in the Purchase
Agreement at such time that this Note is fully converted. With respect to partial conversions of
this Note, the Maker shall keep written records of the amount of this Note converted as of each
Conversion Date.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.2 <U>Conversion Price</U>. The term &#147;Conversion Price&#148; shall mean $&#091;&#183; &#093;<SUP style="font-size: 85%; vertical-align: text-top">1</SUP>,
subject to adjustment under Section&nbsp;3.5 hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.3 <U>Mechanics of Conversion</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Not later than three (3)&nbsp;Trading Days after any Conversion Date, the Maker or its
designated transfer agent, as applicable, shall issue and deliver to the Depository Trust Company
(&#147;DTC&#148;) account on the Holder&#146;s behalf via the Deposit Withdrawal Agent Commission System (&#147;DWAC&#148;)
as specified in the Conversion Notice, the number of shares of Common Stock to which the Holder
shall be entitled upon such conversion, registered in the name of the Holder or its designee. In
the alternative, not later than three (3)&nbsp;Trading Days after any Conversion Date, the Maker shall
deliver to the applicable Holder by express courier a certificate or certificates which shall be
free of restrictive legends and trading restrictions (other than those required pursuant to the
Purchase Agreement) representing the number of shares of Common Stock being acquired upon the
conversion of this Note (the &#147;<U>Delivery Date</U>&#148;). Notwithstanding the foregoing to the
contrary, the Maker or its transfer agent shall only be obligated to issue and deliver the shares
to the DTC on the Holder&#146;s behalf via DWAC (or certificates free of restrictive legends) if such
conversion is in connection with a sale by the
</DIV>



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<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">1</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Closing price of the Common Stock on the issuance date
of this Note, as reported by Bloomberg, but not to exceed $0.40.</TD>
</TR>

</TABLE>


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<DIV style="font-family: 'Times New Roman',Times,serif">





<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Holder and the Holder has complied with the applicable prospectus delivery requirements or an
exemption from such registration requirements (each as evidenced by documentation furnished to and
reasonably satisfactory to the Maker). If in the case of any Conversion Notice such certificate or
certificates are not delivered to or as directed by the Holder by the Delivery Date, the Holder
shall be entitled by written notice to the Maker at any time on or before its receipt of such
certificate or certificates thereafter, to rescind such conversion, in which event the Maker shall
immediately return this Note tendered for conversion, whereupon the Maker and the Holder shall each
be restored to their respective positions immediately prior to the delivery of such notice of
revocation, except that any amounts described in Sections&nbsp;3.3(b) and (c)&nbsp;shall be payable through
the date notice of rescission is given to the Maker.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;The Maker understands that a delay in the delivery of the shares of Common Stock upon
conversion of this Note beyond the Delivery Date could result in economic loss to the Holder. If
the Maker fails to deliver to the Holder such shares via DWAC (or, if applicable, certificates), or
fails to deliver unlegended certificates representing such shares if required pursuant to Section
3.3(a) hereof, by the Delivery Date, the Maker shall pay to such Holder, in cash, an amount per
Trading Day for each Trading Day until such shares are delivered via DWAC or certificates are
delivered (if applicable), together with interest on such amount at a rate of 10% per annum,
accruing until such amount and any accrued interest thereon is paid in full, equal to the greater
of (A) (i)&nbsp;1% of the aggregate principal amount of the Notes requested to be converted for the
first five (5)&nbsp;Trading Days after the Delivery Date and (ii)&nbsp;2% of the aggregate principal amount
of the Notes requested to be converted for each Trading Day thereafter and (B) $2,000 per day
(which amount shall be paid as liquidated damages and not as a penalty). Nothing herein shall limit
a Holder&#146;s right to pursue actual damages for the Maker&#146;s failure to deliver certificates
representing shares of Common Stock upon conversion within the period specified herein and such
Holder shall have the right to pursue all remedies available to it at law or in equity (including,
without limitation, a decree of specific performance and/or injunctive relief). Notwithstanding
anything to the contrary contained herein, the Holder shall be entitled to withdraw a Conversion
Notice, and upon such withdrawal the Maker shall only be obligated to pay the liquidated damages
accrued in accordance with this Section&nbsp;3.3(b) through the date the Conversion Notice is withdrawn.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.4 <U>Ownership Cap and Certain Conversion Restrictions</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Notwithstanding anything to the contrary set forth in Section&nbsp;3 of this Note, at no time
may the Holder convert all or a portion of this Note if the number of shares of Common Stock to be
issued pursuant to such conversion would exceed, when aggregated with all other shares of Common
Stock owned by the Holder at such time, the number of shares of Common Stock which would result in
the Holder beneficially owning (as determined in accordance with Section 13(d) of the Exchange Act
and the rules thereunder) more than 4.99% of all of the Common Stock outstanding at such time;
<I>provided, however, </I>that upon the Holder providing the Maker with sixty-one (61)&nbsp;days notice
(pursuant to Section&nbsp;4.1 hereof) (the &#147;<U>Waiver Notice</U>&#148;) that the Holder waives the
limitations contained in this Section&nbsp;3.4(a) with regard to any or all shares of Common Stock
issuable upon conversion of this Note, this Section&nbsp;3.4(a) will be of no force or effect with
regard to all or a portion of the Note referenced in the Waiver Notice.
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Notwithstanding anything to the contrary set forth in Section&nbsp;3 of this Note, at no time
may the Holder convert all or a portion of this Note if the number of shares of Common Stock to be
issued pursuant to such conversion, when aggregated with all other shares of Common Stock owned by
the Holder at such time, would result in the Holder beneficially owning (as determined in
accordance with Section 13(d) of the Exchange Act and the rules thereunder) in excess of 9.99% of
the then issued and outstanding shares of Common Stock outstanding at such time; provided,
however, that upon the Holder providing the Maker with a Waiver Notice that the Holder waives the
limitations contained in this Section&nbsp;3.4(b) with regard to any or all shares of Common Stock
issuable upon conversion of this Note, this Section&nbsp;3.4(b) shall be of no force or effect with
regard to all or a portion of the Note referenced in the Waiver Notice.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Notwithstanding the above, the provisions of Section&nbsp;3.4(a) and 3.4(b) shall not be
applicable when calculating any adjustment to the Conversion Price hereunder or any other
adjustments under Section&nbsp;3.5 hereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.5 <U>Adjustment of Conversion Price</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Until the Note has been paid in full or converted in full, the Conversion Price shall be
subject to adjustment from time to time as follows (but shall not be increased, other than pursuant
to Section&nbsp;3.5(a)(i) hereof):
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) <I>Adjustments for Stock Splits and Combinations</I>. If the Maker shall at any time or
from time to time after the Issuance Date, effect a stock split of the outstanding Common
Stock, the applicable Conversion Price in effect immediately prior to the stock split shall
be proportionately decreased. If the Maker shall at any time or from time to time after the
Issuance Date, combine the outstanding shares of Common Stock, the applicable Conversion
Price in effect immediately prior to the combination shall be proportionately increased. Any
adjustments under this Section&nbsp;3.5(a)(i) shall be effective at the close of business on the
date the stock split or combination occurs.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) <I>Adjustments for Certain Dividends and Distributions</I>. If the Maker shall at any
time or from time to time after the Issuance Date, make or issue or set a record date for
the determination of holders of Common Stock entitled to receive a dividend or other
distribution payable in shares of Common Stock, then, and in each event, the applicable
Conversion Price in effect immediately prior to such event shall be decreased as of the time
of such issuance or, in the event such record date shall have been fixed, as of the close of
business on such record date, by multiplying, the applicable Conversion Price then in effect
by a fraction:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A) the numerator of which shall be the total number of shares of Common Stock
issued and outstanding immediately prior to the time of such issuance or the close
of business on such record date; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(B) the denominator of which shall be the total number of shares of Common
Stock issued and outstanding immediately prior to the time of such
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">issuance or the close of business on such record date plus the number of shares
of Common Stock issuable in payment of such dividend or distribution.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) <I>Adjustment for Other Dividends and Distributions</I>. If the Maker shall at any
time or from time to time after the Issuance Date, make or issue or set a record date for
the determination of holders of Common Stock entitled to receive a dividend or other
distribution payable in securities of the Maker or any other Person other than shares of
Common Stock, then, and in each event, an appropriate revision to the applicable Conversion
Price shall be made and provision shall be made (by adjustments of the Conversion Price or
otherwise) so that the holders of this Note shall receive upon conversions thereof, in
addition to the number of shares of Common Stock receivable thereon, the number of
securities of the Maker or other issuer (as applicable) which they would have received had
this Note been converted into Common Stock on the date of such event and had thereafter,
during the period from the date of such event to and including the Conversion Date, retained
such securities (together with any distributions payable thereon during such period), giving
application to all adjustments called for during such period under this Section&nbsp;3.5(a)(iii)
with respect to the rights of the holders of this Note; <I>provided, however, </I>that if such
record date shall have been fixed and such dividend is not fully paid or if such
distribution is not fully made on the date fixed therefor, the Conversion Price shall be
adjusted pursuant to this paragraph as of the time of actual payment of such dividends or
distributions.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) <I>Adjustments for Reclassification, Exchange or Substitution</I>. If the Common Stock
issuable upon conversion of this Note at any time or from time to time after the Issuance
Date shall be changed to the same or different number of shares of any class or classes of
stock, whether by reclassification, exchange, substitution or otherwise (other than by way
of a stock split or combination of shares or stock dividends provided for in Sections
3.5(a)(i), (ii)&nbsp;and (iii), or a reorganization, merger, consolidation, or sale of assets
provided for in Section&nbsp;3.5(a)(v)), then, and in each event, an appropriate revision to the
Conversion Price shall be made and provisions shall be made (by adjustments of the
Conversion Price or otherwise) so that the Holder shall have the right thereafter to convert
this Note into the kind and amount of shares of stock and other securities receivable upon
reclassification, exchange, substitution or other change, by holders of the number of shares
of Common Stock into which such Note might have been converted immediately prior to such
reclassification, exchange, substitution or other change, all subject to further adjustment
as provided herein.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) <I>Adjustments for Reorganization, Merger, Consolidation or Sales of Assets</I>. If at
any time or from time to time after the Issuance Date there shall be a capital
reorganization of the Maker (other than by way of a stock split or combination of shares or
stock dividends or distributions provided for in Section&nbsp;3.5(a)(i), (ii)&nbsp;and (iii), or a
reclassification, exchange or substitution of shares provided for in Section&nbsp;3.5(a)(iv)), or
a merger or consolidation of the Maker with or into another corporation where the holders of
outstanding voting securities prior to such merger or consolidation do not own over fifty
percent (50%) of the outstanding voting securities of the merged or consolidated entity,
immediately after such merger or consolidation, or the sale of all or substantially all of
the Maker&#146;s properties or assets to any other person (an &#147;<U>Organic</U>
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%"><U>Change</U>&#148;), then as a part of such Organic Change, (A)&nbsp;if the surviving entity in
any such Organic Change has a class of equity securities registered under the Exchange Act,
and its common stock is listed or quoted on a national exchange or the OTC Bulletin Board,
an appropriate revision to the Conversion Price shall be made and provision shall be made
(by adjustments of the Conversion Price or otherwise) so that the Holder shall have the
right thereafter to convert such Note into the kind and amount of shares of stock and other
securities or property of the Maker or any successor corporation resulting from such Organic
Change, and (B)&nbsp;if the surviving entity in any such Organic Change does not have a class of
equity securities registered under the Exchange Act, or its common stock is not listed or
quoted on a national exchange or the OTC Bulletin Board, the Holder shall have the right to
accelerate the maturity of this Note. In any case referenced in clause (A)&nbsp;above,
appropriate adjustment shall be made in the application of the provisions of this Section
3.5(a)(v) with respect to the rights of the Holder after the Organic Change to the end that
the provisions of this Section&nbsp;3.5(a)(v) (including any adjustment in the applicable
Conversion Price then in effect and the number of shares of stock or other securities
deliverable upon conversion of this Note) shall be applied after that event in as nearly an
equivalent manner as may be practicable.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi) <I>Adjustments for Issuance of Additional Shares of Common Stock</I>. In the event the
Maker, shall, at any time, from time to time, issue or sell any additional shares of common
stock (otherwise than as provided in the foregoing subsections (i)&nbsp;through (v)&nbsp;of this
Section&nbsp;3.5(a)) (&#147;<U>Additional Shares of Common Stock</U>&#148;), at a price per share less
than the Conversion Price then in effect or without consideration, then the Conversion Price
upon each such issuance shall be reduced to a price determined by multiplying the Conversion
Price then in effect by a fraction (A)&nbsp;the numerator of which is the total number of shares
of Common Stock then outstanding plus the number of shares of Common Stock which the
aggregate consideration received or to be received by the Company for the shares so issued
(or deemed issued) would purchase at such Conversion Price, and (B)&nbsp;the denominator of which
is the total number of shares of Common Stock then outstanding plus the number of shares of
Common Stock so issued (or deemed issued). Notwithstanding the foregoing, there shall be no
adjustment to the Conversion Price upon any issuance or deemed issuance of Common Stock if
the holders of a majority of the outstanding principal amount of the Series&nbsp;B Notes waive in
writing such adjustment.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vii) <I>Issuance of Common Stock Equivalents</I>. The provisions of this Section
3.5(a)(vii) shall apply if (A)&nbsp;the Maker, at any time after the Issuance Date, shall issue
any securities convertible into or exchangeable for, directly or indirectly, Common Stock
(&#147;<U>Convertible Securities</U>&#148;), other than the Notes or Preferred Stock issuable
pursuant to the Purchase Agreement, or (B)&nbsp;any rights or warrants or options to purchase any
such Common Stock or Convertible Securities, other than the Warrants (&#147;<U>Rights</U>&#148;)
(Convertible Securities and Rights hereafter being collectively referred to as the
&#147;<U>Common Stock Equivalents</U>&#148;) shall be issued or sold. If the price per share for
which Additional Shares of Common Stock is issuable pursuant to any such Common Stock
Equivalent shall be (or is subsequently adjusted to be) less than the applicable Conversion
Price then in effect, or if, after any such issuance of Common Stock Equivalents, the price
per share for which Additional Shares of Common Stock may be
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">issuable thereafter is amended or adjusted, and such price as so amended or adjusted
shall be less than the applicable Conversion Price in effect at the time of such amendment
or adjustment, then the applicable Conversion Price upon each such issuance, amendment or
adjustment shall be adjusted as provided in subsection (vi)&nbsp;of this Section&nbsp;3.5(a), with the
maximum number of shares of Common Stock issuable upon conversion or exercise of such Common
Stock Equivalents being deemed to have be issued or sold by the Company at the time of
issuance or sale of such Common Stock Equivalents. For purposes of this Section&nbsp;3.5(a)(vii),
the &#147;price per share for which Additional Shares of Common Stock is issuable&#148; shall be
determined by dividing (X)&nbsp;the total amount received or receivable by the Company as
consideration for the issue or sale of such Common Stock Equivalents, plus the minimum
aggregate amount of additional consideration, if any, payable to the Company upon the
conversion or exercise thereof, by (B)&nbsp;the total maximum number of shares of Common Stock
issuable upon the conversion or exercise of all such Common Stock Equivalents. No further
adjustment of the Conversion Price shall be made when Common Stock is actually issued upon
the conversion or exchange of such Common Stock Equivalents, and if any such issue or sale
of Convertible Securities is made upon exercise of any Rights for which adjustment of the
Conversion Price had been or are to be made pursuant to other provisions of Section
3.5(a)(vi), no further adjustment of the Conversion Price shall be made by reason of such
issue or sale.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(viii) <I>Consideration for Stock</I>. In case any shares of Common Stock or any Common
Stock Equivalents shall be issued or sold:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A) in connection with any merger or consolidation in which the Maker is the
surviving corporation (other than any consolidation or merger in which the
previously outstanding shares of Common Stock of the Maker shall be changed to or
exchanged for the stock or other securities of another corporation), the amount of
consideration therefor shall be, deemed to be the fair value, as determined
reasonably and in good faith by the Board of Directors of the Maker, of such portion
of the assets and business of the nonsurviving corporation as such Board may
determine to be attributable to such shares of Common Stock, Convertible Securities,
rights or warrants or options, as the case may be; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(B) in the event of any consolidation or merger of the Maker in which the Maker
is not the surviving corporation or in which the previously outstanding shares of
Common Stock of the Maker shall be changed into or exchanged for the stock or other
securities of another corporation, or in the event of any sale of all or
substantially all of the assets of the Maker for stock or other securities of any
corporation, the Maker shall be deemed to have issued a number of shares of its
Common Stock for stock or securities or other property of the other corporation
computed on the basis of the actual exchange ratio on which the transaction was
predicated, and for a consideration equal to the fair market value on the date of
such transaction of all such stock or securities or other property of the other
corporation. If any such calculation results in adjustment of the applicable
Conversion Price, or the number of shares of Common Stock issuable upon conversion
of the Notes, the determination of the applicable Conversion Price or
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">the number of shares of Common Stock issuable upon conversion of the Notes
immediately prior to such merger, consolidation or sale, shall be made after giving
effect to such adjustment of the number of shares of Common Stock issuable upon
conversion of the Notes. In the event Common Stock is issued with other shares or
securities or other assets of the Maker for consideration which covers both, the
consideration computed as provided in this Section&nbsp;3.5(a)(viii) shall be allocated
among such securities and assets as determined in good faith by the Board of
Directors of the Maker; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(C) other than as set forth above, for any non-cash consideration, the value of
the consideration other than cash received by the Maker shall be deemed to be the
fair market value of such consideration, as determined mutually in good faith by the
Maker&#146;s Board of Directors and the Holder or, if the Maker&#146;s Board of Directors and
the Holder fail to agree, at the Maker&#146;s expense by an appraiser selected the
Maker&#146;s Board of Directors and reasonably acceptable to the Holder.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Record Date</U>. In case the Maker shall take record of the holders of its Common
Stock for the purpose of entitling them to subscribe for or purchase Common Stock or Convertible
Securities, then the date of the issue or sale of the shares of Common Stock shall be deemed to be
such record date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Certain Issues Excepted</U>. Anything herein to the contrary notwithstanding, the
Maker shall not be required to make any adjustment to the Conversion Price in connection with any
of the following: (i)&nbsp;issuance of the Notes, Preferred Stock or Warrants to the Purchasers pursuant
to the terms of the Purchase Agreement; (ii)&nbsp;issuances of securities upon the exercise or exchange
of or conversion of any securities exercisable or exchangeable for or convertible into shares of
Common Stock issued and outstanding on the date of this Note, provided that such securities have
not been amended since the date of this Note to increase the number of such securities or to
decrease the exercise, exchange or conversion price of any such securities (including the Notes,
Preferred Stock and Warrants issued to the Purchasers pursuant to the Purchase Agreement); (iii)
securities issued pursuant to acquisitions or strategic transactions approved by a majority of the
disinterested directors, but not including a transaction with an entity whose primary business is
investing in securities or a transaction, the primary purpose of which is to raise capital; (iv)
the issuance of shares of Common Stock in payment of interest on the Notes, or as a dividend or
distribution on the Preferred Stock; or (v)&nbsp;issuances, pursuant to option plans existing on
December&nbsp;26, 2007, of options to employees, officers or directors of the Company, approved by a
majority of the non-employee members of the Board of Directors of the Company or a majority of the
members of a committee of non-employee directors established for such purpose to the extent such
issuances (x)&nbsp;are at an exercise price of not less than the Closing Price on the date of grant and
(y)&nbsp;are at an exercise price greater than $0.26 per share.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>No Impairment</U>. The Maker shall not, by amendment of its Certificate of
Incorporation or through any reorganization, transfer of assets, consolidation, merger,
dissolution, issue or sale of securities or any other voluntary action, avoid or seek to avoid the
observance or performance of any of the terms to be observed or performed hereunder by the Maker,
but will at all times in good faith, assist in the carrying out of all the provisions of this
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Section&nbsp;3.5 and in the taking of all such action as may be necessary or appropriate in order
to protect the Conversion Rights of the Holder against impairment.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) <U>Certificates as to Adjustments</U>. Upon occurrence of each adjustment or
readjustment of the Conversion Price or number of shares of Common Stock issuable upon conversion
of this Note pursuant to this Section&nbsp;3.5, the Maker at its expense shall promptly compute such
adjustment or readjustment in accordance with the terms hereof and furnish to the Holder a
certificate setting forth such adjustment and readjustment, showing in detail the facts upon which
such adjustment or readjustment is based. The Maker shall, upon written request of the Holder, at
any time, furnish or cause to be furnished to the Holder a like certificate setting forth such
adjustments and readjustments, the applicable Conversion Price in effect at the time, and the
number of shares of Common Stock and the amount, if any, of other securities or property which at
the time would be received upon the conversion of this Note. Notwithstanding the foregoing, the
Maker shall not be obligated to deliver a certificate unless such certificate would reflect an
increase or decrease of at least one percent (1%) of such adjusted amount.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) <U>Issue Taxes</U>. The Maker shall pay any and all issue and other taxes, excluding
federal, state or local income taxes, that may be payable in respect of any issue or delivery of
shares of Common Stock on conversion of this Note pursuant thereto; provided, however, that the
Maker shall not be obligated to pay any transfer taxes resulting from any transfer requested by the
Holder in connection with any such conversion.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) <U>Fractional Shares</U>. No fractional shares of Common Stock shall be issued upon
conversion of this Note. In lieu of any fractional shares to which the Holder would otherwise be
entitled, the Maker shall pay cash equal to the product of such fraction multiplied by the average
of the Closing Prices of the Common Stock for the five (5)&nbsp;consecutive Trading Days immediately
preceding the Conversion Date.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) <U>Regulatory Compliance</U>. If any shares of Common Stock to be reserved for the
purpose of conversion of this Note or any interest accrued thereon require registration or listing
with or approval of any governmental authority, stock exchange or other regulatory body under any
federal or state law or regulation or otherwise before such shares may be validly issued or
delivered upon conversion, the Maker shall, at its sole cost and expense, in good faith and as
expeditiously as possible, endeavor to secure such registration, listing or approval, as the case
may be.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.6 <U>Inability to Fully Convert</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Holder&#146;s Option if Maker Cannot Fully Convert</U>. If, upon the Maker&#146;s receipt of a
Conversion Notice, the Maker cannot issue shares of Common Stock registered for resale under the
Registration Statement if required pursuant to the Registration Rights Agreement for any reason,
including, without limitation, because the Maker (i)&nbsp;does not have a sufficient number of shares of
Common Stock authorized and available, (ii)&nbsp;is otherwise prohibited by applicable law or by the
rules or regulations of any stock exchange, interdealer quotation system or other self-regulatory
organization with jurisdiction over the Maker or any of its securities from issuing all of the
Common Stock which is to be issued to the Holder pursuant to a Conversion Notice or (iii)&nbsp;fails to
have a sufficient number of shares of Common Stock
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">registered for resale under the Registration Statement, then the Maker shall issue as many
shares of Common Stock as it is able to issue in accordance with the Holder&#146;s Conversion Notice
and, with respect to the unconverted portion of this Note, the Holder, solely at Holder&#146;s option
(and in addition to all other remedies hereunder), can elect to:
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A) require the Maker to prepay that portion of this Note for which the Maker
is unable to issue Common Stock in accordance with the Holder&#146;s Conversion Notice
(the &#147;<U>Mandatory Prepayment</U>&#148;) in an amount equal to one hundred twenty-five
percent (125% of the portion of aggregate principal amount of this Note that Maker
was unable to convert to Common Stock (the &#147;<U>Mandatory Prepayment Price</U>&#148;);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(B) if the Maker&#146;s inability to fully convert is pursuant to Section
3.6(a)(iii) above, require the Maker to issue restricted shares of Common Stock in
accordance with such holder&#146;s Conversion Notice; or
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 4%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(C) void its Conversion Notice and retain or have returned, as the case may be,
this Note that was to be converted pursuant to the Conversion Notice (provided that
the Holder&#146;s voiding its Conversion Notice shall not effect the Maker&#146;s obligations
to make any payments which have accrued prior to the date of such notice).
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Mechanics of Fulfilling Holder&#146;s Election</U>. The Maker shall immediately send via
facsimile to the Holder, upon receipt of a facsimile copy of a Conversion Notice from the Holder
which cannot be fully satisfied as described in Section&nbsp;3.6(a) above, a notice of the Maker&#146;s
inability to fully satisfy the Conversion Notice (the &#147;<U>Notice of Inability to Convert</U>&#148;).
Such Inability to Convert Notice shall indicate (i)&nbsp;the reason why the Maker is unable to fully
satisfy such holder&#146;s Conversion Notice, (ii)&nbsp;the amount of this Note which cannot be converted,
and (iii)&nbsp;the applicable Mandatory Prepayment Price. The Holder shall notify the Maker of its
election pursuant to Section&nbsp;3.6(a) above by delivering written notice via facsimile to the Maker
(&#147;<U>Election Upon Inability to Convert</U>&#148;).
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) <U>Payment of Prepayment Price</U>. If the Holder shall elect to have its Notes prepaid
pursuant to Section&nbsp;3.6(a)(A) above, the Maker shall pay the Mandatory Prepayment Price to the
Holder within thirty (30)&nbsp;days of the Maker&#146;s receipt of the Holder&#146;s Election Upon Inability to
Convert, provided that prior to the Maker&#146;s receipt of the Holder&#146;s Election Upon Inability to
Convert the Maker has not delivered a notice to the Holder stating, to the satisfaction of the
Holder, that the event or condition resulting in the Mandatory Prepayment has been cured and all
Conversion Shares issuable to the Holder can and will be delivered to the Holder in accordance with
the terms of this Note. If the Maker shall fail to pay the applicable Mandatory Prepayment Price to
the Holder within five (5)&nbsp;business days following the Maker&#146;s receipt of the Holder&#146;s Election
Upon Inability to Convert (other than pursuant to a dispute as to the determination of the
arithmetic calculation of the Mandatory Prepayment Price), in addition to any remedy the Holder may
have under this Note and the Purchase Agreement, such unpaid amount shall bear interest at the rate
of two percent (2%) per month (prorated for partial months) until paid in full. Until the full
Mandatory Prepayment Price is paid in full to the Holder, the Holder may (i)&nbsp;void the Mandatory
Prepayment with respect to that portion of the Note for which
</DIV>


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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">the full Mandatory Prepayment Price has not been paid, (ii)&nbsp;receive back such Note, and (iii)
require that the Conversion Price of such returned Note be adjusted to the lesser of (A)&nbsp;the
Conversion Price as in effect on the date on which the Holder voided the Mandatory Prepayment and
(B)&nbsp;the lowest Closing Price during the period beginning on the Conversion Date and ending on the
date the Holder voided the Mandatory Prepayment.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) <U>Pro-rata Conversion and Prepayment</U>. In the event the Maker receives a Conversion
Notice from more than one holder of the Series&nbsp;B Notes on the same day and the Maker can convert
and prepay some, but not all, of the Series&nbsp;B Notes pursuant to this Section&nbsp;3.6, the Maker shall
convert and prepay from each holder of the Series&nbsp;B Notes electing to have its Series&nbsp;B Notes
converted and prepaid at such time an amount equal to such holder&#146;s pro-rata amount (based on the
principal amount of the Series&nbsp;B Notes held by such holder relative to the principal amount of the
Series&nbsp;B Notes outstanding) of all the Series&nbsp;B Notes being converted and prepaid at such time.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.7 <U>Prepayment Upon Triggering Event</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <U>Prepayment Option Upon Triggering Event</U>. In addition to all other rights of the
Holder contained herein, after a Triggering Event (as defined below), the Holder shall have the
right, at the Holder&#146;s option, to require the Maker to prepay all or a portion of this Note in cash
at a price equal to the sum of (i)&nbsp;the greater of (A)&nbsp;one hundred percent (100%) of the aggregate
principal amount of this Note plus all accrued and unpaid interest and (B)&nbsp;the aggregate principal
amount of this Note plus all accrued but unpaid interest hereon, divided by the Conversion Price on
(x)&nbsp;the date the Prepayment Price (as defined below) is demanded or otherwise due or (y)&nbsp;the date
the Prepayment Price is paid in full, whichever is less, multiplied by the VWAP on (x)&nbsp;the date the
Prepayment Price is demanded or otherwise due, and (y)&nbsp;the date the Prepayment Price is paid in
full, whichever is greater, and (ii)&nbsp;all other amounts, costs, expenses and liquidated damages due
in respect of this Note and the other Transaction Documents (the &#147;<U>Prepayment Price</U>&#148;). If
the Holder demands payment of the Prepayment Price pursuant to this Section&nbsp;3.7, the Maker shall
deliver such payment to the Holder within 5 business days after the receipt of such demand.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <U>Triggering Event</U>. A &#147;<U>Triggering Event</U>&#148; shall be deemed to have occurred
at such time as any of the following events:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;any Event of Default pursuant to Sections&nbsp;2.1 (b), (c)&nbsp;or (d)&nbsp;shall have occurred;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;the Maker&#146;s notice to any holder of the Notes, including by way of public announcement,
at any time, of its inability to comply or its intention not to comply with proper requests for
conversion of any Notes into shares of Common Stock; or
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;the Maker deregisters its shares of Common Stock and as a result such shares of Common
Stock are no longer publicly traded; or
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv)&nbsp;the Maker consummates a &#147;going private&#148; transaction and as a result the Common Stock is
no longer registered under Sections 12(b) or 12(g) of the Exchange Act.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.8 <U>No Rights as Shareholder</U>. Nothing contained in this Note shall be construed as
conferring upon the Holder, prior to the conversion of this Note, the right to vote or to receive
dividends or to consent or to receive notice as a shareholder in respect of any meeting of
shareholders for the election of directors of the Maker or of any other matter, or any other rights
as a shareholder of the Maker.
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 12pt"><B>ARTICLE IV</B>

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>COVENANTS</B>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For so long as this Note is outstanding, without the prior written consent of the holders of
at least a majority of the then outstanding principal balance hereof:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.1 <U>No Liens</U>. The Maker shall not, and shall not permit its Subsidiaries to, enter
into, create, incur, assume or suffer to exist any Liens on or with respect to any of its assets
now owned or hereafter acquired or any interest therein or any income or profits therefrom, other
than:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Liens that are Permitted Encumbrances;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Liens for purchase money obligations, incurred in the ordinary course of the Maker&#146;s
business, to acquire assets that do not exceed the purchase price of the asset and that encumber
only the asset being purchased; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;any Lien listed on Schedule&nbsp;3.12 to the Purchase Agreement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2 <U>No Indebtedness</U>. The Maker shall not, and shall not permit any Subsidiary to,
enter into, create, incur, assume or suffer to exist any Indebtedness, other than
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Indebtedness existing on the date hereof and disclosed in the Commission Documents;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Indebtedness created under the Transaction Documents;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Non-current liabilities for post-employment healthcare and other insurance benefits;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;Trade payables and insurance premium financing incurred in the ordinary course of business
and consistent with past practices; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;Indebtedness secured by Liens permitted under Section&nbsp;4.1.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.3 <U>Compliance with Transaction Documents</U>. The Maker shall, and shall cause its
Subsidiaries to, comply with its obligations under this Note, the Series&nbsp;A Note and the other
Transaction Documents.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.4 <U>Compliance with Law</U>. The Maker shall, and shall cause each of its Subsidiaries
to, comply with law and duly observe and conform in all material respects to all valid
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">requirements of Governmental Authorities relating to the conduct of its business or to its
properties or assets.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.5 <U>Transactions with Affiliates</U>. The Maker shall not, and shall not permit its
Subsidiaries to, engage in any transactions with any officer, director, employee or any Affiliate
of the Maker, including any contract, agreement or other arrangement providing for the furnishing
of services to or by, providing for rental of real or personal property to or from, or otherwise
requiring payments to or from any officer, director or such employee or, to the knowledge of the
Maker, any entity in which any officer, director, or any such employee has a substantial interest
or is an officer, director, trustee or partner, in each case in excess of $50,000, other than (i)
for payment of reasonable salary for services actually rendered, as approved by the Board of
Directors of the Maker as fair in all respects to the Maker, and (ii)&nbsp;reimbursement for expenses
incurred on behalf of the Maker.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.6 <U>No Dividends</U>. The Maker shall not, and shall not permit any Subsidiary to, (a)
declare or pay any dividends or make any distributions to any holder(s) of Common Stock or other
equity security of the Maker or such Subsidiaries (other than dividend and distributions from a
Subsidiary to the Maker and dividends on the Preferred Stock), (b)&nbsp;purchase or otherwise acquire
for value, directly or indirectly, any shares or other equity security of the Maker, (c)&nbsp;form or
create any subsidiary become a partner in any partnership or joint venture, or make any acquisition
of any interest in any Person or acquire substantially all of the assets of any Person, or (d)
transfer, assign, pledge, issue or otherwise permit any equity or other ownership interests in the
Subsidiaries to be beneficially owned or held by any person other than the Maker and, in the case
of Cira Biosciences, Inc. the persons owning or holding such securities on the date hereof;
<U>provided</U>, <U>however</U>, that Maker&#146;s Cira Biosciences, Inc. subsidiary may issue equity
securities in connection with third-party arms-length capital raising transactions and pay
dividends to the holders of such equity securities in accordance with their terms.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.7 <U>No Merger or Sale of Assets</U>. The Maker shall not, and shall not permit any
Subsidiary to, (a)&nbsp;merge or consolidate or sell or dispose of all its assets or any substantial
portion thereof, or (b)&nbsp;in any way or manner alter its organizational structure or effect a change
of entity; <I>provided, however, </I>that the Maker shall be permitted to sell or dispose of its assets
(but not all or substantially all of its assets) in the ordinary course of its business and
consistent with past practice.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.8 <U>Payment of Taxes, Etc</U>. The Maker shall, and shall cause each of its Subsidiaries
to, promptly pay and discharge, or cause to be paid and discharged, when due and payable, all
lawful taxes, assessments and governmental charges or levies imposed upon the income, profits,
property or business of the Maker and the Subsidiaries, except for such failures to pay that,
individually or in the aggregate, have not had and would not reasonably be expected to have a
Material Adverse Effect; provided, however, that any such tax, assessment, charge or levy need not
be paid if the validity thereof shall currently be contested in good faith by appropriate
proceedings and if the Maker or such Subsidiaries shall have set aside on its books adequate
reserves with respect thereto, and provided, further, that the Maker and such Subsidiaries will pay
all such taxes, assessments, charges or levies forthwith upon the commencement of proceedings to
foreclose any lien which may have attached as security therefor.
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.9 <U>Corporate Existence</U>. the Maker shall, and shall cause each of its Subsidiaries
to, maintain in full force and effect its corporate existence, rights and franchises and all
licenses and other rights to use property owned or possessed by it and reasonably deemed to be
necessary to the conduct of its business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.10 <U>Investment Company Ac</U>t. The Maker shall conduct its businesses in a manner so
that it will not become subject to the Investment Company Act of 1940, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.11 <U>Maintenance of Assets</U>. The Maker shall, and shall cause its Subsidiaries to,
keep its properties in good repair, working order and condition, reasonable wear and tear excepted,
and from time to time make all necessary and proper repairs, renewals, replacements, additions and
improvements thereto.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.12 <U>Indebtedness to Affiliates</U>. The Maker shall not, and shall not permit any
Subsidiary to, make any payment on any indebtedness owed to officers, directors or Affiliates,
except for reimbursements of reasonable and typical business expenses.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.13 <U>Restriction on Dividends</U>. The Maker shall not, and shall not permit any
Subsidiary to, directly or indirectly, create or otherwise cause or suffer to exist or become
effective any encumbrance or restriction on the ability of any Subsidiary to pay dividends or
distributions to the Maker, pay any indebtedness owed to the Maker or transfer any properties or
assets to the Maker
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.14 <U>No Investments</U>. The Maker shall not, and shall not permit any Subsidiary to,
make or suffer to exist any Investments or commitments therefor, other than Investments made in the
ordinary course of business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.15 <U>Transfers to Subsidiaries</U>. The Maker shall not make any transfers of funds or
other assets to any Subsidiary except in the ordinary course of business and consistent with past
practice.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>ARTICLE V</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>MISCELLANEOUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.1 <U>Notices</U>. Any notice, demand, request, waiver or other communication required or
permitted to be given hereunder shall be in writing and shall be effective (a)&nbsp;upon hand delivery,
telecopy or facsimile at the address or number designated in the Purchase Agreement (if delivered
on a business day during normal business hours where such notice is to be received), or the first
business day following such delivery (if delivered other than on a business day during normal
business hours where such notice is to be received) or (b)&nbsp;on the second business day following the
date of mailing by express courier service, fully prepaid, addressed to such address, or upon
actual receipt of such mailing, whichever shall first occur. The Maker will give written notice to
the Holder at least ten (10)&nbsp;days prior to the date on which the Maker takes a record (x)&nbsp;with
respect to any dividend or distribution upon the Common Stock, (y)&nbsp;with respect to any pro rata
subscription offer to holders of Common Stock or (z)&nbsp;for determining rights to vote with respect to
any Organic Change, dissolution, liquidation or winding-up and in no event shall such notice be
provided to such holder prior to such information being made known to the
</DIV>

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</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">public. The Maker will also give written notice to the Holder at least ten (10)&nbsp;days prior to
the date on which any Organic Change, dissolution, liquidation or winding-up will take place and in
no event shall such notice be provided to the Holder prior to such information being made known to
the public. The Maker shall promptly notify the Holder of this Note of any notices sent or
received, or any actions taken with respect to the Series&nbsp;B Notes.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.2 <U>Governing Law</U>. This Note shall be governed by and construed in accordance with
the internal laws of the State of New York, without giving effect to any of the conflicts of law
principles which would result in the application of the substantive law of another jurisdiction.
This Note shall not be interpreted or construed with any presumption against the party causing this
Note to be drafted.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.3 <U>Headings</U>. Article and section headings in this Note are included herein for
purposes of convenience of reference only and shall not constitute a part of this Note for any
other purpose.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.4 <U>Remedies, Characterizations, Other Obligations, Breaches and Injunctive Relief</U>.
The remedies provided in this Note shall be cumulative and in addition to all other remedies
available under this Note, at law or in equity (including, without limitation, a decree of specific
performance and/or other injunctive relief), no remedy contained herein shall be deemed a waiver of
compliance with the provisions giving rise to such remedy and nothing herein shall limit a holder&#146;s
right to pursue actual damages for any failure by the Maker to comply with the terms of this Note.
Amounts set forth or provided for herein with respect to payments, conversion and the like (and the
computation thereof) shall be the amounts to be received by the holder thereof and shall not,
except as expressly provided herein, be subject to any other obligation of the Maker (or the
performance thereof). The Maker acknowledges that a breach by it of its obligations hereunder will
cause irreparable and material harm to the Holder and that the remedy at law for any such breach
may be inadequate. Therefore the Maker agrees that, in the event of any such breach or threatened
breach, the Holder shall be entitled, in addition to all other available rights and remedies, at
law or in equity, to seek and obtain such equitable relief, including but not limited to an
injunction restraining any such breach or threatened breach, without the necessity of showing
economic loss and without any bond or other security being required.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.5 <U>Enforcement Expenses</U>. In the event of any default under this Note, Maker agrees
to pay the reasonable costs and expenses of Holder in enforcing this Note (including reasonable
attorneys&#146; fees and court costs), subject, in the case of any suit, action or proceeding to enforce
this Note, to Section&nbsp;5.9.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.6 <U>Binding Effect</U>. The obligations of the Maker and the Holder set forth herein
shall be binding upon the successors and assigns of each such party, whether or not such successors
or assigns are permitted by the terms hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.7 <U>Amendments</U>. This Note may not be modified or amended in any manner except in
writing executed by the Maker and the holders of a majority of the outstanding principal balance of
the Series&nbsp;B Notes.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8 <U>Compliance with Securities Laws</U>. The Holder of this Note acknowledges that this
Note is being acquired solely for the Holder&#146;s own account and not as a nominee for any other
party, and for investment, and that the Holder shall not offer, sell or otherwise dispose of this
Note. This Note and any Note issued in substitution or replacement therefor shall be stamped or
imprinted with a legend in substantially the following form:
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;THIS NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION HEREOF HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &#147;ACT&#148;), OR APPLICABLE STATE SECURITIES LAWS, AND
MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR RECEIPT BY THE MAKER OF AN
OPINION OF COUNSEL IN THE FORM, SUBSTANCE AND SCOPE REASONABLY SATISFACTORY TO THE MAKER THAT THIS
NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION HEREOF HAVE MAY BE SOLD, TRANSFERRED,
HYPOTHECATED OR OTHERWISE DISPOSED OF, UNDER AN EXEMPTION FROM REGISTRATION UNDER THE ACT AND SUCH
STATE SECURITIES LAWS.&#148;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.9 <U>Consent to Jurisdiction</U>. Each of the Maker and the Holder irrevocably agrees that
the any legal action or proceeding arising out of or relating to this Note may be brought in the
Courts of New York County, New York or of the United States of America for the Southern District of
New York and hereby expressly submits to the personal jurisdiction and venue of such courts for the
purposes thereof and expressly waives any claim of improper venue and any claim that such courts
are an inconvenient forum. Each of the Maker and the Holder hereby irrevocably consents to the
service of process of any of the aforementioned courts in any such suit, action or proceeding by
the mailing of copies thereof by registered or certified mail, postage prepaid, at the address in
effect for notices to it under the Purchase Agreement, such service to become effective 10&nbsp;days
after such mailing. Nothing in this Section&nbsp;5.9 shall affect or limit any right to serve process in
any other manner permitted by law. Each of the Maker and the Holder hereby agree that the
prevailing party in any suit, action or proceeding arising out of or relating to this Note shall be
entitled to reimbursement for reasonable legal fees from the non-prevailing party. The Maker and
the Holder hereby waive all rights to trial by jury.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.10 <U>Parties in Interest</U>. This Note shall be binding upon, inure to the benefit of and
be enforceable by the Maker, the Holder and their respective successors and permitted assigns.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.11 <U>Failure or Indulgence Not Waiver</U>. No failure or delay on the part of the Holder
in the exercise of any power, right or privilege hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise of any such power, right or privilege preclude other or
further exercise thereof or of any other right, power or privilege.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.12 <U>Waivers; Dispute Resolution</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Except as otherwise specifically provided herein, the Maker and all others that may become
liable for all or any part of the obligations evidenced by this Note, hereby waive presentment,
demand, notice of nonpayment, protest and all other demands and notices in connection with the
delivery, acceptance, performance and enforcement of this Note, and do hereby consent to any number
of renewals of extensions of the time or payment hereof and agree
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">that any such renewals or extensions may be made without notice to any such persons and
without affecting their liability herein and do further consent to the release of any person liable
hereon, all without affecting the liability of the other persons, firms or Maker liable for the
payment of this Note. No delay or omission on the part of the Holder in exercising its rights under
this Note, or course of conduct relating hereto, shall operate as a waiver of such rights or any
other right of the Holder, nor shall any waiver by the Holder of any such right or rights on any
one occasion be deemed a waiver of the same right or rights on any future occasion.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;In the case of a dispute as to the determination of the Closing Price or the VWAP or the
arithmetic calculation of the Conversion Price, any adjustment to the Conversion Price, liquidated
damages amount, interest or dividend calculation, or any redemption price, redemption amount,
adjusted Conversion Price, or similar calculation, or as to whether a subsequent issuance of
securities is prohibited hereunder or would lead to an adjustment to the Conversion Price, the
Maker shall submit the disputed determinations or arithmetic calculations via facsimile within two
(2)&nbsp;Business Days of receipt, or deemed receipt, of the Conversion Notice, any redemption notice,
default notice or other event giving rise to such dispute, as the case may be, to the Holder. If
the Holder and the Maker are unable to agree upon such determination or calculation within two (2)
Business Days of such disputed determination or arithmetic calculation being submitted to the
Holder, then the Maker shall, within two (2)&nbsp;Business Days submit via facsimile (a)&nbsp;the disputed
determination of the Closing Price or the VWAP to an independent, reputable investment bank
selected by the Maker and approved by the Holder, which approval shall not be unreasonably
withheld, (b)&nbsp;the disputed arithmetic calculation of the Conversion Price, adjusted Conversion
Price or any redemption price, redemption amount or default amount to the Maker&#146;s independent,
outside accountant or (c)&nbsp;the disputed facts regarding whether a subsequent issuance of securities
is prohibited hereunder or would lead to an adjustment to the Conversion Price (or any of the other
above described facts not expressly designated to the investment bank or accountant), to an expert
attorney from a nationally recognized outside law firm (having at least 100 attorneys and having
with no prior relationship with the Maker) selected by the Maker and approved by the Lead Purchaser
as defined in the Purchase Agreement). The Maker, at the Maker&#146;s expense, shall cause the
investment bank, the accountant, the law firm, or other expert, as the case may be, to perform the
determinations or calculations and notify the Maker and the Holder of the results no later than
five (5)&nbsp;Business Days from the time it receives the disputed determinations or calculations. Such
investment bank&#146;s, accountant&#146;s or attorney&#146;s determination or calculation, as the case may be,
shall be binding upon all parties absent demonstrable error.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.13 <U>Additional Definitions</U>. Terms used herein and not defined shall have the meanings
set forth in the Purchase Agreement. For the purposes hereof, the following terms shall have the
following meanings:
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>Closing Price</U>&#148; shall mean (i)&nbsp;the last trading price per share of the Common Stock on such
date on the OTC Bulletin Board or a registered national stock exchange on which the Common Stock is
then listed, or if there is no such price on such date, then the last trading price on such
exchange or quotation system on the date nearest preceding such date, or (ii)&nbsp;if the price of the
Common Stock is not then reported by the OTC Bulletin Board or a registered national securities
exchange, then the average of the &#147;Pink Sheet&#148; quotes for the relevant date, as reported by the
National Quotation Bureau, Inc., or (iii)&nbsp;if the Common Stock is not then publicly traded the fair
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">market value of a share of Common Stock as determined by the Holder and reasonably acceptable to
the Maker.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>Equity Conditions</U>&#148; shall mean, during the period in question, (i)&nbsp;the Maker shall have
duly honored all conversions and redemptions scheduled to occur or occurring by virtue of one or
more Conversion Notices of the Holder, if any, (ii)&nbsp;all liquidated damages and other amounts owing
to the Holder in respect of this Note shall have been paid; (iii)&nbsp;there is an effective
Registration Statement pursuant to which the Holder is permitted to utilize the prospectus
thereunder to resell all of the shares issuable pursuant to the Transaction Documents, whether by
conversion or exercise, forced conversion, in lieu of cash interest or otherwise (and the Maker
believes, in good faith, that such effectiveness will continue uninterrupted for the foreseeable
future), (iv)&nbsp;the Common Stock is trading on the Trading Market and all of the shares issuable
pursuant to the Transaction Documents are listed for trading on a Trading Market (and the Maker
believes, in good faith, that trading of the Common Stock on a Trading Market will continue
uninterrupted for the foreseeable future), (v)&nbsp;there is a sufficient number of authorized but
unissued and otherwise unreserved shares of Common Stock for the issuance of all of the shares
issuable pursuant to the Transaction Documents, (vi)&nbsp;there is then existing no Event of Default or
event which, with the passage of time or the giving of notice, would constitute an Event of
Default, (vii)&nbsp;the issuance of the shares in question (including shares of Common Stock as interest
hereunder) to the Holder would not violate the 4.99% or 9.99% beneficial ownership limitations set
forth in Section&nbsp;3.4 hereof, and (viii)&nbsp;no public announcement of a pending or proposed Triggering
Event has occurred.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>Investment</U>&#148; means, with respect to any Person, all investments in any other Person,
whether by way of extension of credit, loan, advance, purchase of stock or other ownership interest
(other than ownership interests in such Person), bonds, notes, debentures or other securities, or
otherwise, and whether existing on the date of this Agreement or thereafter made, but such term
shall not include the cash surrender value of life insurance policies on the lives of officers or
employees, excluding amounts due from customers for services or products delivered or sold in the
ordinary course of business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>Trading Day</U>&#148; means (a)&nbsp;a day on which the Common Stock is traded on the OTC Bulletin
Board, or (b)&nbsp;if the Common Stock is not traded on the OTC Bulletin Board, a day on which the
Common Stock is quoted in the over-the-counter market as reported by the National Quotation Bureau
Incorporated (or any similar organization or agency succeeding its functions of reporting prices);
provided , however , that in the event that the Common Stock is not listed or quoted as set forth
in (a)&nbsp;or (b)&nbsp;hereof, then Trading Day shall mean any day except Saturday, Sunday and any day which
shall be a legal holiday or a day on which banking institutions in the State of New York are
authorized or required by law or other government action to close.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>Trading Market</U>&#148; means the Over the Counter Bulletin Board, the New York Stock Exchange,
the Nasdaq Capital Market, the Nasdaq Global Market, the Nasdaq Global Select Market or the
American Stock Exchange.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;<U>VWAP</U>&#148; means, for any date, (i)&nbsp;the daily volume weighted average price of the Common Stock
for such date on the OTC Bulletin Board (or national securities exchange, if applicable) as
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">reported by Bloomberg Financial L.P. (based on a Trading Day from 9:30 a.m. Eastern Time to 4:02
p.m. Eastern Time); (ii)&nbsp;if the Common Stock is not then listed or quoted on the OTC Bulletin Board
(or national securities exchange, if applicable) and if prices for the Common Stock are then
reported in the &#147;Pink Sheets&#148; published by the Pink Sheets, LLC (or a similar organization or
agency succeeding to its functions of reporting prices), the most recent bid price per share of the
Common Stock so reported; or (iii)&nbsp;in all other cases, the fair market value of a share of Common
Stock as determined by an independent appraiser selected in good faith by the Holder and reasonably
acceptable to the Maker.
</DIV>


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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">IN WITNESS WHEREOF, the Maker has caused this Note to be duly executed by its duly authorized
officer as of the date first above indicated.
</DIV>

<DIV align="center">
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    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">NEOPROBE CORPORATION</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By:</TD>
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    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
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<TR style="font-size: 1px">
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</TR>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Its:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
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