Document:

EXHIBIT 4.8.2

                         Senior Secured Convertible Note

          THIS NOTE AND ANY SECURITIES INTO WHICH THIS NOTE MAY BE
          CONVERTED (COLLECTIVELY, THE "SECURITIES") HAVE BEEN
          ACQUIRED FOR INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER
          THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR THE
          SECURITIES LAWS OF ANY OTHER JURISDICTION. THE SECURITIES
          MAY NOT BE OFFERED, SOLD OR TRANSFERRED IN THE ABSENCE OF
          SUCH REGISTRATION OR AN EXEMPTION THEREFROM UNDER THE
          SECURITIES ACT AND OTHER APPLICABLE SECURITIES LAWS.

                                   COSI, INC.

                         SENIOR SECURED CONVERTIBLE NOTE
                         -------------------------------

$378,802.00               Due December 31, 2004               New York, New York
                                                                  August 5, 2003

            Unless converted pursuant to Section 5 hereof, Cosi, Inc., a
Delaware corporation (the "Borrower"), hereby unconditionally promises to pay to
the order of Eric J. Gleacher ("Lender"), (Lender, its successors or assigns, as
applicable, "Holder"), in lawful money of the United States of America and in
immediately available funds, the principal amount of Three Hundred Seventy Eight
Thousand Eight Hundred Two Dollars ($378,802.00) (the "Loan") on December 31,
2004 (the "Maturity Date"); and to pay interest at the time, in the form and at
the rate set forth herein on the unpaid principal amount hereof, for the period
commencing August 4, 2003 until such principal amount shall be paid in full.
This Senior Secured Convertible Note (as amended, supplemented, extended,
restated, renewed, refunded, replaced, refinanced, increased in amount or
otherwise modified, in each case from time to time and whether in whole or in
part, this "Note") evidences the unpaid principal amount of the Loan together
with all accrued and unpaid interest thereon (collectively, and together with
all other amounts payable under this Note, the "Obligations").

            This Note is issued to Holder in accordance with and subject to the
following terms and conditions:

      1.    Interest.

            (a) The outstanding principal amount of the Loan shall accrue
interest from the date hereof until all payments hereunder have been irrevocably
paid in full or this Note has been converted as provided in Section 5 hereof at
a per annum rate equal at all times to the lesser of (i) the maximum lawful rate
of interest in effect at such time under "applicable law" (as defined below),
and (ii) the rate of interest publicly announced from time to time by Bank of
America or any successor thereto, as its prime rate or reference rate (provided,
that if such financial institution publicly announces more than one prime rate
or reference rate, then the higher or highest of such rates) (such rate, the
"Index") plus three-quarters (0.75) percentage points per annum (provided, that
such rate shall be adjusted concurrently with, and such adjustments shall be
effective on the same date as, adjustments announced in such prime rate),
compounded monthly; provided, however, that from and after either (i) the
occurrence of an Event of Default (as defined below) (whether or not the Holder
has elected to accelerate unpaid principal and interest under this Note as a
result of such Event of Default); or (ii) the maturity of this Note (whether the
stated maturity date of this Note or the maturity date resulting from the
Holder's acceleration of unpaid principal and interest), then in

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either of such circumstances, interest on the unpaid principal balance of this
Note shall accrue at a rate equal to eight percent (8%) per annum above the
otherwise applicable rate stated above. Interest shall be calculated on the
basis of a year of 360 days and shall accrue on the outstanding principal amount
of this Note and, to the extent permitted by law, on any accrued but unpaid
interest thereon that has been compounded until all payments hereunder have been
irrevocably paid in full or the Note has been converted as provided in Section
5. Borrower acknowledges and agrees that the calculation of interest on the
basis described in the immediately preceding sentence may result in the accrual
and payment of interest in amounts greater than those which would be payable if
interest were calculated on the basis of a three hundred sixty-five (365) day
year. Except as otherwise provided herein, accrued and unpaid interest hereunder
shall be due and payable monthly on the seventh (7th) day of the month, with the
first such payment being payable on September 7, 2003.

            (b) If the Index ceases to be made available, the Holder shall
select an alternate index as a substitute for the Index (the "Substituted
Index") which, in the Holder's good faith judgment, is comparable to the Index
and which is not likely to result in the interest rate being substantially
different than if such prior Index had continued to be made available. In such
event, the Holder shall adjust the percentage point spread set forth above (the
"Spread") based on the value of the Substituted Index as of the last preceding
date on which the interest rate was adjusted or, if no such adjustment has yet
occurred, as of the date of this Note, such that the sum of the Substituted
Index and the adjusted Spread equals the sum of the prior Index plus the prior
Spread. Borrower acknowledges and agrees that the Index represents an index
which is quoted, published or announced from time to time by the financial
institution identified above as an index for variable interest rates. If either
(i) First Republic Bank holds the note, in the amount of $3,000,000, dated March
31, 2003, of the Company (the "First Republic Note") and consents if and to the
extent required or (ii) the First Republic Note has been retired or has been
transferred pursuant to the put and call arrangements to which the First
Republic Note is subject, this Note is secured by a security agreement
substantially in the form as attached as Exhibit A executed in favor of the
Holder, as secured party ("Security Agreement"), provided, however, that the
Company agrees that it shall not grant any other Person security in any of the
property of the Company (other than with respect to equipment pledged to secure
the Company's equipment loan credit facility) and that it shall execute the
Security Agreement as soon as the conditions in either (i) or (ii) are
satisfied.

            (c) It is expressly stipulated and agreed to be the intent of the
Holder and the Borrower to, at all times, conform to and contract in strict
compliance with applicable usury laws from time to time in effect. All
agreements between the Holder and the Borrower, including, without limitation,
this Note, are hereby limited by the provisions of this Section 1(c) which shall
override and control all such agreements, whether now existing or hereafter
arising and whether written or oral. In no way, nor in any event or contingency
(including, but not limited to, prepayment, default, demand for payment or
acceleration of maturity), shall the interest taken, reserved, contracted for,
charged, chargeable, received or collected under this Note exceed the maximum
nonusurious amount permitted by applicable law (the "Maximum Amount"). If, from
any possible construction of any agreement, document or instrument (including,
without limitation, this Note), interest would otherwise be payable in excess
of, or is adjudicated to be payable in excess of, the Maximum Amount, any such
construction shall be subject to the provisions of this Section 1(c), and, ipso
facto, such agreement, document or instrument shall be reformed and the interest
payable shall be reduced to the Maximum Amount, without the necessity of
execution of any amendment or new document. If the Holder shall ever receive
anything of value that is characterized as interest under applicable law and
that would apart from this provision be in excess of the Maximum Amount, an
amount equal to the amount that would have been excessive interest shall,
without penalty, be applied first to the reduction of the outstanding principal
amount of this Note, and second to the reduction of any other amounts due and
payable under this Note, and not to the payment of interest, or promptly
refunded to the Borrower or the other payor thereof if and to the extent such
amount that would have been excessive exceeds such unpaid principal amount and
such other amounts. The right to accelerate maturity of this Note or any other
indebtedness does not include the right to accelerate any interest that has not
otherwise accrued on the date of such acceleration, and the Holder does not
intend to take, reserve, contract for, charge, receive or collect any unearned
interest in the event of acceleration. All interest paid or agreed to be paid to
the Holder shall, to the extent permitted by applicable law, be amortized,
prorated, allocated and spread throughout the full stated term (including any
renewal or extension) of the indebtedness to

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which it relates so that the amount of interest thereon does not exceed the
Maximum Amount. As used in this Section 1(c), the term "applicable law" shall
mean the laws of the State of New York or the federal laws of the United States,
whichever laws allow the greater interest, applicable to commercial loans as
such laws now exist or may be changed or amended or come into effect in the
future.

      2.    Payments.

            (a) All payments of principal and interest with respect to this Note
shall be made on the due date thereof no later than 3:00 p.m., New York, New
York time, in immediately available funds in lawful money of the United States
of America (without any counterclaim, offset or deduction whatsoever and free
and clear of, and without withholding or deduction for or on account of, any
present or future taxes, levies, imposts, duties, charges or fees of any
nature), to the Holder by wire transfer (and pursuant to specific instructions
to be supplied by the Holder prior to the date of the first such payment). All
payments (including all prepayments) hereunder received by the Holder shall be
applied first to the payment of accrued and unpaid interest hereunder and only
thereafter to the outstanding principal balance of this Note. Any payment
received by the Holder after 3:00 p.m., New York, New York time, on any day,
will be deemed to have been received on the next following "Business Day."
"Business Day" means any day on which banks are not authorized to be closed for
business in New York, New York.

            (b) The Holder and any person (including any natural person,
partnership, joint venture, corporation, limited liability company, association,
company, trust, any other entity, unincorporated organization and government and
any department, political subdivision or agency thereof, "Person") to which the
Holder sells, assigns, grants a participation in, or otherwise transfers, part
or all of its interest in this Note agree that on the date the Holder or Person
becomes a party to this Note, and from time to time thereafter if requested by
the Borrower or required because, as a result of a change in law or a change in
circumstances or otherwise, a previously delivered form or statement becomes
incomplete or incorrect in any material respect, it will deliver complete,
accurate and duly executed forms or other statements prescribed by the Internal
Revenue Service of the United States certifying the Holder's or such Person's
exemption from United States withholding taxes (including backup withholding
taxes) with respect to all payments to be made to such Holder or Person under
this Note, provided that any such Holder or Person shall not be required to
deliver such forms or statements because such exemption is not available to such
Holder or Person as the result of a change in law or interpretation taking
effect after the later of the date hereof, or the date on which such Person
acquired an interest in the Note.

            (c) Voluntary prepayment of the entire amount of the outstanding
principal (but not a portion that is less than the entire amount) of this Note
and any accrued and unpaid interest hereunder (the "Voluntary Prepayment") shall
be permitted prior to the Maturity Date, at the option of the Borrower, without
premium or penalty, provided, however, that the Borrower shall not be permitted
to make any Voluntary Prepayment if, within five (5) Business Days of receiving
notice from the Borrower of its intention to make the Voluntary Prepayment, the
Holder provides notice to the Borrower of its intention to exercise any or all
of the Holder's rights pursuant to Section 5 hereof.

            (d) The Borrower agrees that to the extent the Borrower makes a
payment or payments hereunder which payment or payments, or any part thereof,
are subsequently invalidated, declared to be fraudulent or preferential, set
aside and/or required to be repaid to the Borrower, its successors or assigns
under any bankruptcy law, state or federal law, common law or equitable cause,
then, to the extent of such payment or repayment, the obligations, or part
thereof, under this Note that have been paid, reduced or satisfied by such
amount shall be reinstated and continued in full force and effect as of the time
immediately preceding such initial payment, reduction or satisfaction.

      3. Representations and Warranties. Borrower hereby represents, warrants
and covenants to the Holder that (i) all of the following provisions of this
Section 3 are true and correct at and as of the date of this Note and (ii) all
of the following provisions of this Section 3 are, and shall be, true and
correct at and as of each such date during which this Note is outstanding (with
the same effect as though made at and as of each such date during which this
Note is outstanding). Borrower's representations and warranties

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<PAGE>

shall survive the execution of this Note, notwithstanding any investigation at
any time made by or on behalf of any party.

            (a) Organization. Each of the Borrower and its Subsidiaries (as
defined below) (i) is duly organized, validly existing and in good standing
under the laws of the jurisdiction of its incorporation, (ii) has all corporate
power and authority to own, lease and operate its property and to carry on its
business as now being conducted or as its business is contemplated to be
conducted and to consummate the transactions contemplated by this Note and (iii)
is duly qualified or licensed to do business and is in good standing as a
foreign corporation under the laws of each jurisdiction where the nature of the
property owned or leased by it or the nature of the business conducted by it
makes such qualification or license necessary, except where the failure to be so
qualified or licensed (1) would not reasonably be expected to either prevent or
delay its ability to perform its obligations under this Note and (2) could not
reasonably be expected, individually or in the aggregate, to result in a
Material Adverse Effect (as defined below). For purposes of this Agreement, a
"Subsidiary" of any Person shall mean any corporation, partnership, joint
venture or other legal entity of which such Person (either alone or through or
together with any other Subsidiary), owns, directly or indirectly, more than 50%
of the stock or other equity interests, the holders of which are generally
entitled to vote for the election of the board of directors or other governing
body of such corporation, partnership, joint venture or other legal entity.

            (b) Due Authorization. The Borrower has all requisite corporate
power and authority to enter into, execute and deliver this Note and to perform
its respective obligations hereunder, and has taken all necessary corporate
action required for the due authorization, execution, delivery and performance
by it of this Note.

            (c) Due Execution; Enforceability. This Note has been duly and
validly executed and delivered by the Borrower and constitutes the valid and
binding obligation of the Borrower enforceable against it in accordance with its
terms, subject to applicable bankruptcy, insolvency, fraudulent conveyance,
reorganization, moratorium and similar laws affecting creditors' rights and
remedies generally and subject, as to enforceability, to general principles of
equity, including principles of commercial reasonableness, good faith and fair
dealing (regardless of whether enforcement is sought in a proceeding at law or
in equity).

            (d) Consents. Neither the execution, delivery or performance of this
Note by the Borrower, nor the consummation by the Borrower of its respective
obligations and the transactions contemplated by this Note, requires any consent
or approval of, authorization by, exemption from, filing or registration with,
or notice to any United States (Federal, state or local) or foreign government,
or governmental, regulatory, judicial or administrative authority, agency or
commission ("Governmental Entity") or other Person except (i) with regard to the
Stockholder Approval (as defined in Section 5 hereof), and (ii) where the
failure to obtain such consent, approval, authorization or exemption or to make
such filing or registration or to provide such notice (1) would not reasonably
be expected to either prevent or delay the Borrower's ability to perform its
obligations under this Note and (2) could not reasonably be expected,
individually or in the aggregate, to result in a Material Adverse Effect.

            (e) No Conflicts. The execution, delivery and performance of this
Note does not, and the consummation of the transactions contemplated hereby will
not, (i) conflict with, or result in any violation or breach of any provision of
the certificate of incorporation or bylaws of the Borrower or any of its
Subsidiaries, (ii) conflict with, result in any violation or breach of, or
constitute (with or without notice or lapse of time, or both) a default under or
conflict with (or give rise to any right of termination, amendment, cancellation
or acceleration of any right or obligation or loss of any benefit under) any of
the terms, conditions or provisions of any note, bond, mortgage, license,
indenture, lease, contract or other agreement, instrument or obligation to which
the Borrower or any of its Subsidiaries is a party or by which any of them or
any of their properties or assets may be bound or affected, (iii) conflict with
or violate any permit, concession, franchise, license, judgment, injunction,
order, decree, statute, law, ruling, ordinance, rule or regulation (including,
without limitation, federal and state securities laws and regulations)
(collectively, "Laws") applicable to the Borrower or any of its Subsidiaries or
by which any of their properties or assets are bound or affected or (iv) result
in the creation or imposition of any pledge, claim,

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lien, charge, encumbrance or security interest of any kind or nature whatsoever
(any of the foregoing, an "Encumbrance") against any of the properties or assets
of the Borrower or any of its Subsidiaries, except for the Security Agreement,
and except in the case of clauses (ii) or (iii) above, where such conflicts or
violations could neither prevent or delay the Borrower's ability to consummate
the transactions contemplated by this Note nor reasonably be expected,
individually or in the aggregate, to result in a Material Adverse Effect.

            (f) SEC Filings. Except as disclosed in the Company SEC Reports (as
defined below) and in the registration statements filed by the Borrower with the
United States Securities and Exchange Commission ("SEC"), the Borrower has filed
all reports and registration statements required to be filed by it with the SEC.
As of its filing date, and giving effect to any amendments thereof, each report
filed by the Borrower with the SEC (collectively, the "Company SEC Reports") and
each registration statement filed by the Borrower with the SEC complied as to
form in all material respects with the applicable requirements of the Securities
Act of 1933, as amended, including the rules and regulations promulgated
thereunder (the "Securities Act") and the Securities Exchange Act of 1934, as
amended, including the rules and regulations promulgated thereunder (the
"Exchange Act"), as the case may be. As of its filing date, and giving effect to
any amendments thereof, each Company SEC Report filed pursuant to the Exchange
Act did not contain any untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements made therein, in the
light of the circumstances under which they were made, not misleading. The
Borrower's draft registration statement on Form S-1 dated August 4, 2003
provided to the Lender prior to the date hereof, and any such amended or
supplemented version of such registration statement filed with the SEC, if
applicable, and each other registration statement filed by the Borrower with the
SEC after the date hereof pursuant to the Securities Act , as amended or
supplemented, if applicable (as of the date of any such registration statement
and when any amendment becomes effective) complies and will comply as to form in
all material respects with the applicable requirements of the Securities Act and
does not and will not contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary to make the
statements therein not misleading.

            (g) Financial Statements. Each of the consolidated financial
statements (including, in each case, any related notes thereto) contained in the
Company SEC Reports and each of the consolidated financial statements
(including, in each case, any related notes thereto) contained in the
registration statements filed by the Borrower with the SEC (collectively, the
"Financial Statements") complied as to form in all material respects with
applicable accounting requirements and with the published rules and regulations
of the SEC with respect thereto, had been prepared in accordance with generally
accepted accounting principles ("GAAP") applied on a consistent basis throughout
the periods involved (except as may be indicated in the notes thereto or, in the
case of the unaudited financial statements contained therein (the "Interim
Financial Statements"), as permitted by Form 10-Q or the Exchange Act
regulations promulgated by the SEC), and each fairly presented the consolidated
financial position of the Borrower and its consolidated Subsidiaries in all
material respects as at the respective dates thereof and the consolidated
results of its operations and cash flows for the periods indicated in accordance
with GAAP (subject, in the case of the Interim Financial Statements, to normal
audit adjustments which were not and are not expected, individually or in the
aggregate, to be material in amount).

            (h) Absence of Certain Changes. Since December 30, 2002, except as
disclosed in the Company SEC Reports prior to the date of this Note, the
Borrower and its Subsidiaries have conducted their businesses in the ordinary
course, in a manner consistent with past practice, and there has not been any
event, occurrence or development of a state of circumstances or facts which,
individually or in the aggregate, has had or could reasonably be expected to
have a Material Adverse Effect or could prevent or delay the Borrower's ability
to consummate the transactions contemplated by this Note. For purposes of this
Note, a "Material Adverse Effect" means any fact, event, change, circumstance,
condition or effect which is or could reasonably be expected to be materially
adverse to the business, condition (financial or otherwise), results of
operations, prospects, properties, assets or liabilities of the Borrower and its
Subsidiaries, taken as a whole.

            (i) Litigation. Except as set forth in the Borrower's Annual Report
on Form 10-K/A filed on April 1, 2003 or the Borrower's Quarterly Report on Form
10-Q filed on May 9, 2003, there is no

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judgment, ruling, decree, injunction, rule or order of any Governmental Entity,
arbitrator or other Person outstanding against the Borrower or any of its
Subsidiaries. Since December 30, 2002, except as set forth in the Borrower's
Annual Report on Form 10-K/A filed on April 1, 2003 or the Borrower's Quarterly
Report on Form 10-Q filed on May 9, 2003, there have been no claims, actions,
suits, proceedings or investigations, or any amendment of any prior claim,
action, suit, proceeding or investigation, initiated against or, to the
knowledge of the Borrower, threatened against or affecting the Borrower or any
of its Subsidiaries (or any of their respective properties or assets) at law or
in equity or before or by any Governmental Entity, arbitrator or other Person
which (i) in any manner challenges or seeks to prevent, enjoin, alter or
materially delay the transactions contemplated by this Note or (ii) if resolved
adversely to the Borrower or a Subsidiary could reasonably be expected to have,
individually or in the aggregate, a Material Adverse Effect.

            (j) No Preemptive Rights. No preemptive rights, participation
rights, rights of first offer or first refusal, tag-along or drag-along rights
or other approval rights (collectively, "Preemptive Rights") will apply or
become applicable in connection with or as a result of the transactions
contemplated by this Note.

            (k) Due Issuance and Authorization of Securities. All of the
outstanding shares of capital stock of the Borrower have been, or upon issuance
will be, validly issued, fully paid and non-assessable. No securities of the
Borrower are subject to Preemptive Rights or other similar rights of any or all
of the stockholders of the Borrower. This Note is, and any securities issuable
to the Holder upon conversion, exchange or exercise of this Note will be, upon
issuance, duly authorized, validly issued, fully paid and non-assessable, each
vesting in the Holder legal and valid title to such securities, free and clear
of all Encumbrances and are and will not be subject to Preemptive Rights or
other similar rights of any or all of the stockholders of the Borrower.

      4.    Events of Default.

            If any of the following events shall occur and be continuing (each
such event, an "Event of Default"):

            (i) the Borrower fails to repay the principal amount of this Note
when due, or fails to pay any interest thereon when due and such failure to pay
interest continues for five (5) days;

            (ii) any representation or warranty made by the Borrower in this
Note shall be false in any material respect;

            (iii) the Borrower fails to convert the outstanding principal amount
of this Note and any accrued and unpaid interest hereunder into shares of common
stock in accordance with the terms of Section 5 and such failure continues for
five (5) days;

            (iv) the Borrower violates any material covenant, agreement or
condition contained in this Note, which violation shall not have been cured for
a period of forty-five (45) days following notice to the Borrower from the
Holder;

            (v) this Note, or any part thereof, shall (other than resulting from
payment or by consent of the applicable parties thereto), at any time after its
execution and delivery and for any reason, cease to be in full force and effect
or shall be declared to be null and void or the validity or enforceability
thereof shall be contested by the Borrower or the Borrower shall deny that the
Borrower has any or further liability or obligation thereunder;

            (vi) any default or breach occurs under any other agreement,
document or instrument to which Borrower or any of its Subsidiaries is a party
that is not cured within any applicable grace period therefor, and such default
or breach involves the failure to make any payment when due in respect of any
principal of or interest on indebtedness or guaranteed indebtedness for borrowed
money (other than the

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Obligations) of Borrower or any of its Subsidiaries in excess of $250,000 in the
aggregate (including amounts owing to all creditors under any combined or
syndicated credit arrangements) and such failure causes, or permits any holder
of such indebtedness or guaranteed indebtedness or a trustee to cause, such
indebtedness or guaranteed indebtedness or a portion thereof in excess of
$250,000 in the aggregate to become due prior to its stated maturity or prior to
its regularly scheduled dates of payment, in each case, regardless of whether
such right is exercised, by such holder or trustee;

            (vii) Borrower fails to pay any of its indebtedness or to perform
any of its obligations when due under any document between Borrower and any
other Person who holds a lien on the collateral securing all or any part of the
Obligations ("Collateral") that is senior to the lien held by the Holder in the
Collateral and fails to cure such breach within any applicable cure period under
such document (provided, that nothing contained in this Section constitutes or
shall be construed as the Holder's consent to any lien being placed on the
Collateral, other than liens on equipment pledged to secure the Company's
equipment loan credit facility);

            (viii) the Borrower shall be liquidated, dissolved, adjudicated
insolvent, or shall fail to pay, or shall admit in writing its inability to pay
its debts as they mature, or shall make a general assignment for the benefit of
creditors; or the Borrower shall apply for or consent to the appointment of any
receiver, custodian, trustee or similar officer for it or for all or any
substantial part of its property, or such receiver, custodian, trustee or
similar officer shall be appointed without the application or consent of the
Borrower; or the Borrower shall institute (by petition, application, answer,
consent or otherwise), or take any action to authorize the institution of, any
bankruptcy, insolvency, reorganization, dissolution, liquidation or similar
proceeding relating to the Borrower under the Laws of any jurisdiction; or any
such proceeding shall be instituted (by petition, application or otherwise)
against the Borrower and such proceeding shall not be dismissed within thirty
(30) days after being instituted;

            (ix) any final, non-appealable money judgment, writ or warrant of
attachment, or similar process involving in any individual case or in the
aggregate at any time an amount in excess of $250,000 shall be entered into or
filed against the Borrower or any of its Subsidiaries or any of their respective
properties or assets;

            (x) a court order is entered against Borrower enjoining the conduct
of all or a material part of its business, and Borrower fails to cause such
injunction to be fully stayed, dissolved or removed within sixty (60) days after
such order is entered;

            (xi) the Borrower has, without the Holder's prior written consent,
(1) changed its jurisdiction of incorporation; (2) succeeded to all or any
substantial part of the liabilities of any other Person; (3) directly or
indirectly, consolidated with or merged into any other Person or permitted any
other Person to consolidate with or merge into it or engaged in any other
corporate reorganization; (4) sold, leased, conveyed, abandoned or otherwise
disposed of all or substantially all or any substantial part of its assets in
one transaction or a series of transactions; (5) engaged in a transaction or
series of transactions in which more than twenty percent (20%) of the voting
power of the Borrower directly or indirectly may be issued, transferred or
disposed of (including by exercise, exchange or conversion of derivative
securities) to a Person other than ZAM Holdings, L.P.; (6) incurred, assumed or
guaranteed any indebtedness for borrowed money or incurred Encumbrances (other
than pursuant to (A) Borrower's senior secured promissory note, dated as of
March 31, 2003, for the benefit of First Republic Bank (the "Prior Note"), (B)
an Investment Agreement among Borrower, ZAM Holdings, L.P. ("ZAM"), Eric J.
Gleacher, Charles G. Phillips ("Phillips") and LJCB Nominees Pty. Ltd. pursuant
to which Borrower issues to such other parties senior secured convertible notes
of Borrower (such agreement, the "Investment Agreement"); provided, that such
Investment Agreement expressly provides that such senior secured convertible
notes are exempt pursuant to this Section 4(xi)(6) and (C) senior secured
convertible notes, issued as of the date hereof, or to be issued, by Borrower to
ZAM and Phillips in the principal amounts of $969,240.50 and $151,957.50,
respectively) in excess of $3 million; or (7) agreed or committed to do any of
the foregoing;

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            (xii) (1) the validity or priority of the Holder's security interest
in the Collateral is impaired in any material respect for any reason; or (2) the
value of the Collateral has deteriorated, declined or depreciated as a result of
any intentional act or omission by Borrower; or

            (xiii) an "Event of Default" shall occur under the Security
Agreement;

then, (A) upon the occurrence of any Event of Default described in clause (viii)
of this Section 4, the Obligations shall automatically become immediately due
and payable without presentment, demand, protest, notice of intent to
accelerate, notice of acceleration or further notice of any kind, all of which
are hereby expressly waived by the Borrower, and (B) upon the occurrence of any
other Event of Default, the Holder may, at its option, by written notice to the
Borrower declare the Obligations to be forthwith due and payable, whereupon such
Obligations shall become and be forthwith due and payable, without presentment,
demand, protest, notice of intent to accelerate, notice of acceleration or
further notice of any kind, all of which are hereby expressly waived by the
Borrower.

            Other than as provided in this Section 4, the Note shall be
satisfied only by Conversion pursuant to Section 5 or by payment in full of all
amounts due hereunder.

      5.    Conversion.

            (a) Conversion Right. Subject to and upon compliance with the
provisions hereof, and subject to the approval of the stockholders of Borrower
with respect to the conversion feature of this Note, but (provided that Borrower
shall not have presented at a meeting of its stockholders the conversion feature
of this Note for approval by such stockholders) only if required under
applicable Law, (the "Stockholder Approval"), the Holder shall have the right,
at any time or from time to time, to convert all or any portion of the Total
Convertible Amount into as many shares of common stock, par value $.01 per
share, of Borrower ("Common Stock") as the portion of the Total Convertible
Amount so converted is a multiple of the Initial Conversion Price or, in case an
adjustment of such price has taken place pursuant to the provisions of this
Section 5, then at the price as last adjusted and in effect at the date this
Note or portion thereof is surrendered for conversion (such price or such price
as last adjusted, as the case may be, the "Conversion Price"). Notwithstanding
the preceding sentence, if, pursuant to Article I, Section 1.1(b) of the
Investment Agreement, the stockholders of the Borrower collectively subscribe
for a number of Rights Shares that equals at least $2,000,000, then the Holder
shall elect to convert the Total Convertible Amount in its entirety into shares
of Common Stock of the Borrower pursuant to this Section 5. For the purposes of
this Note, the term "Total Convertible Amount" shall mean, on any date, the sum
of the unpaid principal amount of this Note and the accrued and unpaid interest
thereon on such date. For the purposes of this Note, the term "Initial
Conversion Price" shall mean the lesser of (i) $1.50 and (ii) 85% of the
weighted average price per share of Borrower's Common Stock as reported on the
Nasdaq National Market for the fifteen trading day period ending three trading
days before the conversion date (provided, that (1) if the shares of such Common
Stock then are not traded on the Nasdaq National Market, the average of the
highest reported bid and lowest reported asked price for each of such fifteen
days as reported by NASDAQ shall be used; (2) if the shares of such Common Stock
then are not listed and traded on the NASDAQ, the average closing prices for
such fifteen days as reported by the principal national securities exchange on
which the shares are listed and traded shall be used; or (3) if the shares of
such Common Stock are not then listed or traded on NASDAQ or a national
securities exchange, the fair market value as determined jointly in good faith
by the Holder and the Borrower shall be used).

            (b) Manner of Conversion. This Note may be converted on any Business
Day prior to the Maturity Date (any such date of conversion, a "Conversion
Date"). In order to exercise such conversion privilege, the Holder shall
surrender this Note to the Borrower accompanied by a written statement (the
"Conversion Notice") designating the portion of the Total Convertible Amount to
be converted. If the Holder elects to convert this Note, or a portion thereof,
such conversion (a "Conversion") shall be deemed to have taken place immediately
prior to the close of business on the Conversion Date, and at such time the
rights of the Holder as Holder of this Note shall cease to the extent of the
portion of the Total Convertible Amount so converted and the Holder shall be
treated for all purposes (with respect to such portion) as the record holder of
the Common Stock issuable upon Conversion at such time.

                                       8
<PAGE>

            (c) Delivery of Stock Certificates, Etc. The Borrower, at its
expense (including the payment by it of any documentary stamp or similar issue
or transfer taxes, other than any taxes which may then be payable in respect of
the transfer of any such shares of Common Stock in a name other than that of the
Holder), will issue and deliver to the Holder as promptly as practicable on or
after a Conversion Date a certificate or certificates for the number of shares
of Common Stock of the Borrower issuable upon the Conversion. If this Note shall
be converted only in part, the Borrower shall, upon such Conversion, execute and
deliver to the Holder, at the expense of the Borrower, a new Note in principal
amount equal to the unconverted portion of the Total Convertible Amount (dated
as of the Conversion Date).

            (d) Adjustments on Conversion. The Borrower shall pay all interest
on the portion of this Note surrendered for conversion accrued through the last
full business day immediately preceding the date that the Conversion Notice
shall have been received by the Borrower, provided that no such payment shall be
made if the interest so accrued is converted pursuant to this Section 5. No
fractional shares of common stock shall be issued upon conversion of this Note,
but, if the conversion results in a fraction, an amount equal to such fraction
multiplied by the Per Share Market Price of the Common Stock on the last
Business Day prior to the Conversion Date shall be paid in cash to the Holder.
"Per Share Market Price" means, for any date of determination thereof, the
average daily Market Price per share for the 15 trading days immediately
preceding such date. The term "Market Price" shall mean the last reported sale
price per share regular way of Borrower's Common Stock as reported on the Nasdaq
National Market (provided, that (1) if the shares of such Common Stock then are
not traded on the Nasdaq National Market, the average of the highest reported
bid and lowest reported asked price for such day as reported by NASDAQ shall be
used; (2) if the shares of such Common Stock then are not listed and traded on
the NASDAQ, the closing price for such day as reported by the principal national
securities exchange on which the shares are listed and traded shall be used; or
(3) if the shares of such Common Stock are not then listed or traded on NASDAQ
or a national securities exchange, the fair market value as determined jointly
in good faith by the Holder and the Borrower shall be used).

            (e) Adjustments to Conversion Price.

                  (i) Adjustments for Recapitalization. In case the Borrower at
      any time on or after the date hereof shall:

                  (A)   pay a dividend or make a distribution in shares of
                        Common Stock to holders of its capital stock of any
                        class,

                  (B)   subdivide its outstanding shares of Common Stock into a
                        larger number of shares,

                  (C)   combine its outstanding shares of Common Stock into a
                        smaller number of shares,

                  (D)   pay a dividend or make a distribution to holders of its
                        Common Stock in (1) shares of its capital stock other
                        than Common Stock, (2) assets (including, without
                        limitation, securities of other Persons), evidences of
                        indebtedness or rights, or (3) options or warrants to
                        subscribe for or purchase any of its securities
                        (collectively, "Other Securities or Assets"),

      then the Conversion Price shall be adjusted to that price determined by
      multiplying the Conversion Price in effect immediately prior to such event
      by a fraction (x) the numerator of which shall be the total number of
      outstanding shares of Common Stock of the Borrower immediately prior to
      such event, and (y) the denominator of which shall be the total number of
      outstanding shares of Common Stock of the Borrower immediately after such
      event; provided that if the Borrower shall pay a dividend or make a
      distribution on its Common Stock in Other Securities or Assets, the
      Conversion Price shall be adjusted to the price obtained by multiplying
      the price then subject to adjustment by a fraction (x) the numerator of
      which shall be the Per Share Market Price of the Common Stock on the
      record date for such dividend or distribution, less the fair market value
      (on a per share of Common

                                       9
<PAGE>

      Stock basis) as determined jointly in good faith by the Holder and the
      Borrower of the Other Securities or Assets so distributed, and (y) the
      denominator of which shall be the Per Share Market Price of the Common
      Stock on the record date for such dividend or distribution. Any adjustment
      made pursuant to this paragraph shall become effective immediately after
      the record date in the case of a dividend or distribution and shall become
      effective immediately after the effective date in the case of subdivision
      or combination. The provisions of this Section 5(e) shall apply to the
      Conversion Price determined (directly or indirectly) by reference to the
      Initial Conversion Price of $1.50 and to any transactions described in (A)
      through (D) above occurring during or after a fifteen trading day period
      referred to in Section 5(a) but ending on the Conversion Date; provided,
      that if any such transaction described in (A) through (D) above occurs
      during a fifteen trading day period referred to in Section 5(a), the
      calculation of the Conversion Price shall be equitably adjusted to provide
      for a consistent basis of calculation during such period.

                  (ii) De Minimis Adjustments. Except as hereinafter provided,
      no adjustment of the Conversion Price hereunder shall be made if such
      adjustment results in a change of less than 1% in the Conversion Price
      then in effect. Any adjustment of less than 1% in the Conversion Price
      then in effect shall be carried forward and shall be made at the time of
      and together with any subsequent adjustment which, together with
      adjustment or adjustments so carried forward, amounts to 1% or more of the
      Conversion Price then in existence.

            (f) Adjustments for Reorganization. If the Borrower shall be
reorganized or shall be merged into or consolidate with any another Person or
shall sell all or substantially all of its assets or another Person shall be
merged into Borrower and in connection therewith Common Stock of the Borrower
shall be changed or converted into Successor Assets (as hereinafter defined), or
if the Borrower shall issue by reclassification of its shares of Common Stock
any shares of capital stock of the Borrower (each such event, an "Organic
Change"), then, as a condition of such Organic Change, lawful and adequate
provision shall be made whereby the Holder shall thereafter have the right to
receive upon the basis and upon the terms and conditions specified herein and in
lieu of the shares of Common Stock immediately theretofore receivable upon
conversion of this Note, such shares of stock, securities, assets or cash
(collectively, the "Successor Assets") as may (by virtue of such Organic Change)
be issued or payable with respect to or in exchange for a number of outstanding
shares of Common Stock equal to the number of shares of Common Stock immediately
theretofore so receivable by the Holder hereunder had such Organic Change not
taken place. In any such case, appropriate provisions shall be made with respect
to the rights and interests of the Holder to the end that the provisions of this
Section 5 (including, without limitation, provisions for adjustment of the
Conversion Price) shall thereafter be applicable as nearly as may be, in
relation to any Successor Assets thereafter deliverable upon conversion of this
Note.

            (g) Dissolution or Liquidation. In the event of any proposed
distribution of the assets of the Borrower in dissolution or liquidation (except
under circumstances when Section 5(f) shall be applicable), the Borrower shall
mail notice thereof to the Holder of this Note and shall make no distribution to
stockholders until the expiration of 30 days from the date of mailing of such
notice and, in any such case, the Holder may exercise the conversion rights with
respect to this Note within 30 days from the date of mailing such notice and all
rights herein granted not so exercised within such 30-day period shall
thereafter become null and void.

            (h) Certain Events. If any event occurs of the type contemplated by
Sections 5(e), 5(f), or 5(g) but not expressly provided for by such provisions
which adversely affect the rights of the Holder in a manner different than the
holders of Common Stock, then the Borrower's board of directors shall make an
appropriate adjustment in the number of shares of Common Stock obtainable upon
conversion of this Note pursuant to Section 5(a) so as to protect the rights of
the Holder.

            (i) Notices. The Borrower shall provide notice to the Holder, in
accordance with Section 11 of this Note, at least ten (10) Business Days prior
to the record date (or, if there is no record date, the date of such dividend,
distribution or event) for (i) any dividend, distribution or event that would
trigger adjustment hereunder and (ii) any dividend or distribution to all
holders of Common Stock outside the ordinary course of business, describing the
material terms thereof. Upon any adjustment or other

                                       10
<PAGE>

change relating to the shares of Common Stock or other property issuable upon
the Conversion pursuant to Section 5(a), then and in each such case the Borrower
shall give written notice thereof to Holder, in accordance with Section 11 of
this Note, which notice shall state the increase or decrease, if any, in the
number or other denomination of the shares of Common Stock issuable upon the
Conversion pursuant to Section 5(a), and the amount of other property receivable
upon the Conversion, setting forth in reasonable detail the method of
calculation and the facts upon which such calculation is based.

            (j) Adequate Shares. The Borrower will at all times reserve and keep
available out of its authorized but unissued capital stock 757,604 shares of
Common Stock for the purpose of effecting the Conversion pursuant to Section
5(a). All shares of stock which may be issuable upon the Conversion pursuant to
Section 5(a) will, upon issuance, be validly issued, fully paid and
non-assessable and free from all taxes (other than any taxes which may then be
payable in respect of the transfer of any such shares), liens and charges with
respect to the issuance thereof. The shares of stock issuable upon the
Conversion pursuant to Section 5(a) shall be issued without charge to the Holder
thereof for any issuance tax in respect thereof or other cost incurred by the
Borrower in connection with the Conversion and the related issuance of such
shares. The Borrower shall not close its books against the transfer of shares of
stock issued or issuable upon the Conversion pursuant to Section 5(a) in any
manner which interferes with the timely conversion of this Note. The Borrower
shall provide reasonable assistance and cooperate with any Holder of this Note
as required to make any governmental filings or obtain any licenses, permits,
certificates, consents, orders, approvals or other authorizations from
governmental authorities (collectively, "Governmental Approvals") prior to or in
connection with the conversion of this Note (including, without limitation,
making any filings required to be made by the Borrower). The Borrower shall take
all such reasonable actions as may be necessary to assure that all stock which
may be issuable upon the Conversion pursuant to this Section 5 may be issued
without violation of any applicable Law or governmental regulation. The Borrower
shall, as promptly as practicable, duly call, give notice of, convene and hold a
meeting of its stockholders in accordance with applicable Law and its
organizational documents for the purpose of obtaining the Stockholder Approval
and the approval of the stockholders of Borrower with respect to the conversion
feature of the Prior Note ("Prior Note Approval"). The Borrower, consistent with
the board of directors' fiduciary duties, shall use its best efforts to obtain
the Stockholder Approval and Prior Note Approval in accordance with applicable
Law.

            (k) Listing Obligation. As long as Borrower has securities listed on
NASDAQ or any other stock exchange, Borrower will take all reasonable steps
necessary, and pay all reasonable fees required, to list all of the shares of
Common Stock issued or issuable upon conversion, exchange or exercise of, or
otherwise in connection with, this Note on NASDAQ or such other stock exchanges
in the United States of America on which the Common Stock then is listed.
Following the initial listing of such shares, the Borrower, consistent with the
board of directors' fiduciary duties, will use its commercially reasonable best
efforts to maintain the listing of such shares whenever the Common Stock is
listed on any such exchange.

      6. Covenants of Borrower While Note Is Outstanding. The Borrower agrees
that, so long as there is any unpaid principal or interest outstanding or other
amount due to the Holder under this Note:

          (i)     Payment of Obligations. The Borrower will pay and discharge,
                  and will cause each Subsidiary to pay and discharge, at or
                  before maturity, all their respective obligations and
                  liabilities, including, without limitation, tax liabilities,
                  except where such tax liabilities may be contested in good
                  faith by appropriate proceedings, and will maintain, and will
                  cause each Subsidiary to maintain, in accordance with
                  generally accepted accounting principles, appropriate reserves
                  for the accrual of any of the same, and except where such
                  failures to pay and discharge, individually or in the
                  aggregate, would not reasonably be expected to have a Material
                  Adverse Effect;

          (ii)    Maintenance of Property; Insurance. The Borrower will keep,
                  and will cause each Subsidiary to keep, all material property
                  useful and necessary in its

                                       11
<PAGE>

                  business in good working order and condition; and will
                  maintain, and will cause each Subsidiary to maintain (either
                  in the name of the Borrower or in such Subsidiary's own name)
                  with financially sound and reputable insurance companies,
                  insurance on all their property in at least such amounts and
                  against at least such risks as are usually insured against in
                  the same general area by companies of established repute
                  engaged in the same or a similar business. The Borrower will
                  furnish to the Holder, upon written request, full information
                  as to the insurance carried;

          (iii)   Conduct of Business and Maintenance of Existence. The Borrower
                  will continue, and will cause each Subsidiary to continue, to
                  engage in business of the same general type as now conducted
                  by the Borrower and its Subsidiaries, and will preserve, renew
                  and keep in full force and effect, and will cause each
                  Subsidiary to preserve, renew and keep in full force and
                  effect their respective corporate existence and their
                  respective rights, privileges and franchises necessary or
                  desirable in the normal conduct of business, except for such
                  failures to continue and failures to preserve, renew and keep
                  that, individually or in the aggregate, would not reasonably
                  be expected to have a Material Adverse Effect; provided that
                  nothing in this Section shall prohibit the abandonment or
                  termination of the corporate existence, rights, privileges or
                  franchises of any Subsidiary when deemed by the Borrower in
                  good faith to be in the best interest of its overall business;

          (iv)    Compliance with Laws. Each of Borrower and its Subsidiaries
                  shall comply with all federal, state, local and foreign Laws
                  and regulations applicable to it, except to the extent that
                  the failure to comply, individually or in the aggregate, could
                  not reasonably be expected to have a Material Adverse Effect;

          (v)     Books and Records; Inspections by Holder. Borrower shall keep
                  and maintain complete and accurate books and records relating
                  to its business at its principal place of business. The Holder
                  shall have access to such books and records at all reasonable
                  times upon not less than two (2) Business Days prior written
                  notice to Borrower for the purposes of examination,
                  inspection, verification, copying and for any other reasonable
                  purpose. Borrower authorizes the Holder, at its option but
                  without any obligation of any kind to do so, to discuss the
                  affairs, finances and accounts of Borrower with any of
                  Borrower's officers and directors and, at the Holder's
                  expense, with Borrower's independent accountants and auditors,
                  and Borrower irrevocably authorizes all accountants and
                  auditors employed or retained by Borrower to respond to and
                  answer all requests from the Holder for financial and other
                  information regarding Borrower. Borrower waives the benefit of
                  any accountant-client privilege or other evidentiary privilege
                  precluding or limiting the disclosure or delivery of any of
                  its books and records to the Holder (except that Borrower does
                  not waive any attorney-client privilege).

          (vi)    Notice of Material Adverse Changes. Borrower shall immediately
                  notify the Holder in writing of (a) any Material Adverse
                  Effect; (b) any material adverse change in the Collateral; (c)
                  any claim, action, suit, proceeding or investigation, or any
                  amendment of any prior claim, action, suit, proceeding or
                  investigation, initiated against or threatened against or
                  affecting the Borrower or any of its Subsidiaries (or any of
                  their respective properties or assets) which, individually or
                  in the aggregate, may cause or result in a Material Adverse
                  Effect or any material impairment in the ability of Borrower
                  to carry on its business in substantially the same manner as
                  it is now being conducted; and (d) any occurrence which could
                  form the basis of an Event of Default.

                                       12
<PAGE>

          (vii)   Licenses. Borrower shall maintain all Governmental Approvals
                  necessary for the ownership of its properties and the conduct
                  of its businesses, except for Governmental Approvals the
                  failure of which to maintain would not reasonably be expected
                  to have a Material Adverse Effect.

          (viii)  Further Assurances. Upon the Holder's request, Borrower shall
                  execute and deliver to the Holder such further documents and
                  agreements, in form and substance satisfactory to the Holder,
                  as the Holder may reasonably require to effectuate the terms
                  of this Agreement and the Security Agreement, including,
                  without limitation, executing, and causing the other necessary
                  parties to execute, a registration rights agreement covering
                  the shares of Common Stock issuable upon conversion of this
                  Note on terms acceptable to Holder.

          (ix)    Negative Covenants. Other than pursuant to the Investment
                  Agreement, the Borrower shall not, nor shall it permit any of
                  its Subsidiaries to, without the prior written consent of the
                  Holder:

                  (i) directly or indirectly, by operation of Law or otherwise,
      merge or consolidate with or into any Person;

                  (ii) (a) create, incur, assume or permit to exist any
      long-term Indebtedness (as defined below); (b) except in the ordinary
      course of business, consistent with past practice and in an aggregate
      amount not to exceed $250,000 for any consecutive twelve (12) month
      period, create, incur, assume or permit to exist short-term Indebtedness;
      (c) pay, repay, discharge, purchase, repurchase or satisfy any
      Indebtedness issued or guaranteed by the Borrower or any Borrower
      Subsidiary, except as required by the terms thereof; (d) modify the terms
      of any Indebtedness or other liability, other than modifications of short
      term debt in the ordinary and usual course of business and consistent with
      past practice or (e) assume, guarantee, endorse or otherwise become liable
      or responsible (whether directly, contingently or otherwise) for the
      obligations of any other Person;

                  (iii) other than liens on equipment pledged to secure the
      Company's equipment loan credit facility, create, incur, assume or permit
      to exist any mortgage or deed of trust, pledge, hypothecation, assignment,
      deposit arrangement, lien, charge, claim, security interest, easement or
      Encumbrance, or preference, priority or other security agreement or
      preferential arrangement of any kind or nature whatsoever (including,
      without limitation, any lease or title retention agreement, any financing
      lease having substantially the same economic effect as any of the
      foregoing, and the filing of, or agreement to give, any financing
      statement perfecting a security interest under the Uniform Commercial Code
      or comparable Law of any jurisdiction); or

                  (iv) enter into any agreement, contract, commitment or
      arrangement to do any of the foregoing, or authorize, recommend, propose
      or announce an intention to do, any of the foregoing.

      For purposes of this Note, "Indebtedness" means (i) all indebtedness
for borrowed money or for the deferred purchase price of property or services
(other than current trade liabilities incurred in the ordinary course of
business and payable in accordance with customary practices), (ii) any other
indebtedness that is evidenced by a note, bond, debenture or similar
instrument, (iii) all obligations under financing leases, (iv) all
obligations in respect of acceptances issued or created, (v) all liabilities
secured by any lien on any property and (vi) all guarantee obligations.

            (x) Stockholders Meeting. The Company shall, as promptly as
practicable, duly call, give notice of, convene and hold a meeting of its
stockholders in accordance with applicable law and its organizational documents
for the purpose of obtaining the Stockholder Approval.

                                       13
<PAGE>

      7. Investment Intent. The Holder hereby represents and warrants to the
Borrower that it is an "accredited investor" within the meaning of Rule 501(a)
promulgated under the Securities Act.

      8. Security. Payment of the Obligations is secured pursuant to the
Security Agreement.

      9. Business Days. If any payment is due, or any time period for giving
notice or taking action expires, on a day which is not a Business Day, the
payment shall be due and payable on, and the time period shall automatically be
extended to, the immediately succeeding Business Day, and interest shall
continue to accrue at the required rate hereunder until any such payment is
made.

      10. Governing Law; Consent to Jurisdiction. THIS NOTE SHALL BE GOVERNED BY
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF NEW YORK, AND SHALL BIND AND INURE
TO THE BENEFIT OF THE PARTIES HERETO AND THEIR RESPECTIVE SUCCESSORS AND
ASSIGNS.

            THE BORROWER HEREBY CONSENTS TO THE EXCLUSIVE JURISDICTION OF THE
COURTS OF NEW YORK AND THE UNITED STATES OF AMERICA, IN EACH CASE LOCATED IN NEW
YORK COUNTY (THE "SELECTED COURTS") FOR ANY PROCEEDING ARISING OUT OF OR
RELATING TO THIS NOTE (AND AGREES NOT TO COMMENCE ANY PROCEEDING RELATING
THERETO EXCEPT IN SUCH COURTS) AND WAIVES ANY OBJECTION TO VENUE BEING LAID IN
ANY OF THE SELECTED COURTS WHETHER BASED ON THE GROUNDS OF FORUM NON CONVENIENS
OR OTHERWISE. THE BORROWER HEREBY AGREES THAT SERVICE OF ANY PROCESS, SUMMONS,
NOTICE OR DOCUMENT BY U.S. REGISTERED MAIL TO ITS ADDRESS SET FORTH ABOVE SHALL
BE EFFECTIVE SERVICE OF PROCESS FOR ANY ACTION, SUIT OR PROCEEDING IN NEW YORK
WITH RESPECT TO ANY MATTERS TO WHICH IT HAS SUBMITTED TO JURISDICTION IN THIS
SECTION.

      11. Notices. All notices provided for herein shall be delivered (a) if to
the Borrower, to it at Cosi, Inc., 242 West 36th Street, New York, NY 10018,
Attn: William D. Forrest, and (b) if to the Holder, at Eric J. Gleacher, c/o of
William McNichols, Gleacher Partners LLC, 660 Madison Avenue, New York, NY
10021. All notices, requests, consents and other communications hereunder to any
party shall be deemed to be sufficient if contained in a written instrument
delivered in person or sent by telecopy, nationally recognized overnight courier
or first class registered or certified mail, return receipt requested, postage
prepaid, addressed to such party at the address set forth in this Section 11 or
such other address as may hereafter be designated in writing by such party to
the other party.

      12.   Miscellaneous.

            (a) Amendment; Waiver. No failure or delay on the part of the Holder
in exercising any power or right hereunder, and no course of dealing between the
Borrower and the Holder of this Note, shall operate as a waiver thereof, nor
shall any single or partial exercise of any such right or power, or any
abandonment or discontinuance of steps to enforce such a right or power,
preclude any other or further exercise thereof or the exercise of any other
right or power. No modification or waiver of any provision of this Note nor
consent to any departure by the Borrower therefrom shall in any event be
effective unless the same shall be in writing and executed by the Holder, and
then such modification, waiver or consent shall be effective only in the
specific instance and for the specific purpose for which given. No notice to or
demand on the Borrower in any case shall entitle the Borrower to any other or
further notice or demand in similar or other circumstances. No amendment to, or
modification of, any provision of this Note shall in any event be effective
unless the same shall be in writing and executed and delivered by the Borrower
and the Holder. No waiver of, or consent with respect to, any provision of this
Note shall in any event be effective unless the same shall be in writing and
executed and delivered by the party from whom such waiver or consent is sought.

            (b) Successors and Assigns. Subject to the terms and conditions of
this Note, this Note shall inure to the benefit of the Holder of this Note and
the Borrower and their respective successors

                                       14
<PAGE>

and assigns and be binding upon the Holder of this Note and the Borrower and
their respective successors and assigns.

            (c) Entire Agreement. This Note and the Security Agreement, and the
agreements, documents and instruments executed in connection herewith and
therewith, constitute the entire understanding between the Borrower and the
Holder with respect to the subject matter hereof and supersede any prior
agreements, written or oral, with respect thereto. The rights and remedies
provided pursuant to this Note are cumulative and are not exclusive of any
rights or remedies which any party otherwise may have at law or in equity.

            (d) Lost, Stolen, Destroyed or Mutilated Note. If this Note is lost,
stolen or destroyed, upon Borrower's receipt of a reasonably satisfactory
indemnification agreement executed by the Holder, or if this Note is mutilated,
upon the Holder's surrender of the mutilated Note to Borrower, Borrower shall
execute and deliver to the Holder a new promissory note which is identical in
form and content to this Note to replace the lost, stolen, destroyed or
mutilated Note. Such a replacement note shall be deemed a "Note" for all
purposes hereunder.

            (e) Attorneys' Fees and Costs and Other Expenses. Upon the Holder's
demand, Borrower shall reimburse the Holder for all costs and expenses,
including reasonable attorneys' fees and costs, incurred by the Holder in
connection with the exercise of any or all of the Holder 's rights and remedies
under this Note or the Security Agreement, the enforcement of any or all
Obligations, whether or not any legal proceedings are instituted by the Holder,
or the defense of any action or proceeding by Borrower or any other Person
relating to the Loan. Without limiting the generality of the immediately
preceding sentence, such costs and expenses shall include all reasonable
attorneys' fees and costs incurred by the Holder in connection with any federal
or state bankruptcy, insolvency, reorganization, or other similar proceeding by
or against Borrower which in any way affects the Holder's exercise of its rights
and remedies under the Note or the Security Agreement. Borrower's obligation to
reimburse the Holder under this Section shall include payment of interest on all
amounts expended by the Holder from the date of expenditure at the rate of
interest applicable to principal under the Note. Wherever any of the terms of
this Note or the Security Agreement provide for the payment or recovery of
costs, fees, or other expenses (including attorneys' fees and costs), such term
shall be deemed to provide for the payment or recovery of reasonable costs,
fees, expenses, and reasonable attorneys' fees and costs.

            (f) Time of the Essence. Time is of the essence in the performance
by Borrower of each provision of this Note and the Security Agreement.

            (g) Interpretation. This Note shall be construed as if drafted
jointly by the parties and no presumption or burden of proof shall arise
favoring or disfavoring any party by virtue of the authorship of any provisions
of this Note. The definitions used in this Note are applicable to the singular
as well as the plural forms of such terms and to the masculine as well as to the
feminine and neuter genders of such term. The words "hereof," "herein" and
"hereunder" and words of similar import when used in this Note shall refer to
this Note as a whole and not to any particular provision of this Note. Any
statute defined or referred to herein or in any agreement or instrument that is
referred to herein means such statute as from time to time amended, modified or
supplemented, including by succession of comparable successor statutes.

      13. Descriptive Headings. The headings appearing in this Note have been
inserted for convenience of reference only and shall be given no substantive
meaning or significance whatsoever in construing the terms and provisions of
this Note.

      14. Severability. Should any provision of this Note be judicially declared
to be invalid, unenforceable or void, such decision will not have the effect of
invalidating or voiding the remainder of this Note, and the parties hereto agree
that the provision of this Note so held to be invalid, unenforceable or void
will be deemed to have been stricken herefrom and the remainder will have the
same force and effectiveness as if such provision had never been included
herein, provided, however the parties hereto shall use their best efforts
replace the provision so deemed to have been stricken herefrom with a provision

                                       15
<PAGE>

that the parties reasonably believe to be valid and enforceable and which has a
substantially identical economic and legal effect as the provision so deemed to
have been stricken herefrom.

      15. Prior Agreements. Borrower and Holder agree that the Loan constitutes
"other funding support" for purposes of the funding letter, dated as of March
31, 2003 from Lender to Borrower.

                                       16
<PAGE>

            IN WITNESS WHEREOF, the Borrower has duly executed and delivered
this Note as of the date first written above.

                                        Cosi, Inc.

                                        By: /s/ William D. Forrest
                                            ----------------------------------
                                            Name:   William D. Forrest
                                            Title:  Executive Chairman

                                       17EXHIBIT 4.9

                              INVESTMENT AGREEMENT

      This Investment Agreement (this "Agreement") is made and entered into
as of August 5, 2003, among ZAM Holdings, L.P., a Delaware limited
partnership ("ZAM Holdings"), Eric J. Gleacher, an individual ("Gleacher"),
Charles G. Phillips, an individual ("Phillips"), LJCB Nominees Pty. Ltd., a
limited company ("LJCB" and, collectively with ZAM Holdings, Gleacher and
Phillips, the "Funding Parties") and Cosi, Inc., a Delaware corporation (the
"Company").

                                   WITNESSETH

      WHEREAS, the Funding Parties delivered funding letters, dated as of March
31, 2003 (the "Funding Letters"), to the Company pursuant to which they
individually agreed, subject to certain conditions, to provide funding to the
Company;

      WHEREAS, ZAM Holdings, Gleacher and Phillips (i) delivered a letter, dated
August 5, 2003, pursuant to which such parties individually agreed, subject to
certain conditions, to provide funding to the Company if the Funding Parties do
not provide the funding contemplated by this Agreement ("Alternative Funding
Letters") and (ii) have provided or will provide the Company with an aggregate
of $1.5 million in funding pursuant to senior secured convertible notes (the
"Bridge Notes");

      WHEREAS, the Funding Parties and the Company now desire to specify further
the terms, conditions, rights and obligations of the Funding Parties and the
Company with respect to any funding to be provided to the Company by the Funding
Parties;

      WHEREAS, the Company intends to commence a rights offering ("Rights
Offering") pursuant to which the Company would distribute, on a pro rata basis
and at no charge, to the record holders of its common stock, par value $.01 per
share ("Common Stock"), as of a date (the "Rights Offering Record Date") to be
established by the Board of Directors of the Company (the "Board of Directors"),
non-transferable subscription rights ("Subscription Rights") to subscribe for
and purchase shares ("Rights Shares") of Common Stock;

      WHEREAS, each stockholder of record would receive one Subscription Right
for each share of Common Stock held by such holder, and each Subscription Right
would entitle the holder to purchase Rights Shares at a price per Rights Share
equal to the lesser of (i) $1.50 per share and (ii) 85% of the weighted average
price per share of the Company's Common Stock as reported on the Nasdaq National
Market for the 15-trading-day period ending three business days prior to the
expiration date of the Rights Offering (either (i) or (ii), as appropriately
adjusted for any stock split, reverse stock split, combination, reorganization,
recapitalization, stock dividend, stock distribution or similar event, the
"Subscription Price") and on the other terms described in the draft registration
statement on Form S-1 provided to the Funding Parties on August 4, 2003
(including, without limitation, such terms concerning the basic subscription
privilege (the "Basic Subscription Privilege"), over-subscription privilege (the
"Over-subscription Privilege") and aggregate offering cap (the "Aggregate
Offering Cap") described therein;

      WHEREAS, the Board of Directors has determined that the Transaction
Agreements (as defined in Section 4.1 below), each of the Rights Offering,
Common Stock Investment and Debt

<PAGE>

Investment (each, as defined herein), and the transactions contemplated hereby
and thereby, individually or aggregately in any combination, are advisable and
in the best interests of the Company and its stockholders;

      NOW, THEREFORE, in consideration of the premises and the mutual covenants
and agreements contained in this Agreement, the parties hereto hereby agree as
follows:

Article I. Funding.

      Section 1.1 Form of Funding. Subject to the terms and conditions stated
herein, each Funding Party agrees severally (and not jointly) to provide funding
to the Company following consummation of the Rights Offering by, at the Funding
Party's option, purchasing from the Company:

            (a) shares of Common Stock in a private placement at the
      Subscription Price (a "Common Stock Investment"); or

            (b) a senior secured convertible note of the Company substantially
      in the form of the senior secured convertible note attached as Exhibit A
      hereto (the "New Company Notes" and such a purchase, a "Debt Investment");

provided, that, subject to the terms and conditions stated herein, each Funding
Party agrees that if the stockholders of the Company (not including the Funding
Parties) collectively subscribe for a number of Rights Shares that, when
multiplied by the Subscription Price, equals at least $2.0 million, then (i)
each such Funding Party shall elect to provide all of its funding pursuant to
Section 1.1 in the form of a Common Stock Investment, and (ii) each such Funding
Party (not including LJCB) or its affiliates shall elect to convert the entire
amount of the outstanding principal of (A) the Prior Note (as hereinafter
defined) plus any accrued and unpaid interest thereunder into shares of Common
Stock of the Company pursuant to the terms of the letter agreement, dated as of
March 31, 2003, by and among the Company, Gleacher, Phillips and Ziff Investors
Partnership, L.P. II, provided, that, the Prior Note has been assigned to the
Guarantors (as such term is defined in the Loan Agreement, dated as of March 31,
2003, by and between the Company, as Borrower, and First Republic Bank, as
Lender) by First Republic Bank, and (B) the Bridge Notes plus any accrued and
unpaid interest thereunder into shares of Common Stock of the Company.

      Section 1.2 Amount of Funding. The amount of funding to be provided to the
Company by a Funding Party ("Funding") shall be (i) pursuant to Section 1.1, its
Additional Funding Amount (as defined below) and (ii) at the Funding Party's
option, any amounts funded pursuant to Section 1.2(b) below.

      (a) Pursuant to Section 1.1, the amount of funding to be provided by a
Funding Party to the Company through a Common Stock Investment or Debt
Investment shall be such that (i) in the event of a Common Stock Investment, the
Funding Party purchases at the Subscription Price the number of shares of Common
Stock such that the aggregate purchase price equals such Funding Party's
Additional Funding Amount and (ii) in the event of a Debt Investment, the
Funding Party purchases, for such Additional Funding Amount, a New Company Note
with a principal amount equal to such Additional Funding Amount. A Funding
Party's "Additional

                                       2

<PAGE>

Funding Amount" shall equal the lesser of (A) and (B) below:

            (A) the product of (aa) a fraction, the numerator of which shall be
      (i) for ZAM Holdings, $5.0 million, (ii) for Gleacher, $2.0 million, (iii)
      for Phillips, $750,000 and (iv) for LJCB, $750,000, and the denominator of
      which shall be $8.5 million and (bb) the Dollar amount by which (if any)
      $7.5 million exceeds the amount subscribed for pursuant to the Rights
      Offering pursuant to Basic Subscription Privileges and Over-subscription
      Privileges and

            (B) an amount equal to:

            (1) for ZAM Holdings, $5.0 million, for Gleacher, $2.0 million, for
      Phillips, $750,000 and for LJCB, $750,000; reduced by

            (2) for each of ZAM Holdings, Gleacher and Phillips, the original
      principal amount of any Bridge Note issued by the Company for its or his
      benefit, whether the Bridge Note is outstanding or not, and all unpaid
      interest thereunder accrued to the date that is the earlier of (A)
      conversion in full of the Bridge Note and (B) the applicable closing of
      Funding, reduced by the amount of repayments of principal, if any, made by
      the Company under such Bridge Note, and further reduced by

            (3) the product of (A) whether the Prior Note is outstanding or not,
      the original principal of the Company's senior secured promissory note,
      dated as of March 31, 2003, for the benefit of First Republic Bank (such
      note for the benefit of First Republic Bank or any assignee in whole or in
      part thereof, a "Prior Note") and all unpaid interest thereunder accrued
      to the date that is the earlier of (x) conversion in full of the Prior
      Note and (y) the applicable closing of Funding, reduced by the amount of
      repayments of principal, if any, made by the Company under such Prior
      Note, and increased by the aggregate amount (other than payments of
      principal or interest on the Prior Note), if any, paid (or if not yet
      paid, payable) by the Funding Parties or their associated entities under a
      Continuing Guaranty of Payment and Performance ("Guaranty") entered into
      by a Funding Party or its associated entity for the benefit of First
      Republic Bank in connection with the Prior Note and (B) the quotient equal
      to (aa) for Gleacher, 757,604 divided by 3,000,000, (bb) for Phillips,
      303,915 divided by 3,000,000 and (cc) for ZAM Holdings, 1,938,481 divided
      by 3,000,000; provided, that LJCB shall not be entitled to any reduction
      provided by this clause (3); and provided further, that adjustments shall
      be made in the event that the Prior Note is subdivided to equitably
      apportion the amounts referred to in this clause (3) among the other three
      Funding Parties. Notwithstanding the foregoing, there shall be no
      reduction pursuant to this clause (3) to the extent that (I) the Prior
      Note is held by First Republic Bank through the date of the closing of the
      applicable Funding, (II) no Funding Party has exercised its rights to
      cause the assignment of such Prior Note, (III) the mandatory assignment
      provision applicable with respect to such Prior Note has not become
      effective, (IV) neither First Republic Bank nor any direct or indirect
      assignee of any of its rights under the Prior Note or with respect to the
      indebtedness reflected in connection therewith has demanded payment
      pursuant to the Guaranty and (V) there has not occurred any event of
      default or breach by the Company under the agreements or instruments
      entered into in connection with such indebtedness (including, without
      limitation, the Prior Note).

                                       3

<PAGE>

            (b) Notwithstanding anything to the contrary contained herein, the
      Company shall provide each Funding Party with the option to maintain, at
      such Funding Party's option, such Funding Party's ownership in the Company
      (including, for purposes of determining the Funding Party's existing
      ownership, the outstanding warrants held by the Funding Parties) relative
      to that of each other stockholder of the Company, including, without
      limitation, by reducing, at such Funding Party's option, the
      Over-subscription Privilege that may be exercised by any such other
      stockholder and the Aggregate Offering Cap.

      Section 1.3 Effect of Prior Agreements. The provisions of this Agreement
supersede any rights and obligations of the Funding Parties described in the
Funding Letters or the Rights Offering Term Sheet attached to the Funding
Letters (the "Rights Offering Term Sheet"), and such rights and obligations
shall be deemed terminated and of no further force or effect.

      Section 1.4 Notification of Funding; Further Assurances. Subject to the
proviso of Section 1.1, a Funding Party shall make an election as to the form of
Funding by providing written notice to the Company within five (5) business days
following written notice from the Company of the expiration or abandonment of
the Rights Offering indicating (i) its elected form of Funding and (ii) the date
on which such Funding is to be made, such date to be no more than five (5)
business days following the date on which such written notice was provided by
the Funding Party. Subject to the terms and conditions of this Agreement, the
Company and such Funding Party shall use commercially reasonable efforts to
take, or cause to be taken, all actions and to do, or cause to be done, all
things necessary under applicable Laws (as defined in Section 4.5) or as the
other party may reasonably request to effect the consummation of any Funding,
including, without limitation, the execution, acknowledgment and delivery of a
purchase agreement, security agreement, note and other appropriate instruments,
documents, agreements and certificates to give effect to a Funding, in each
case, including representations and warranties, covenants, conditions,
termination provisions and indemnification provisions as are reasonable and
customary.

Article II. The Rights Offering.

      Section 2.1  Rights Offering Procedures.

            (a) The registration statement covering the issuance of the
Subscription Rights, Rights Shares and rights underlying the Rights Shares
pursuant to the Company's rights plan (including each amendment and supplement
thereto, the "Registration Statement"), and each request for acceleration of
effectiveness thereof, will be provided to each Funding Party and its counsel
prior to its filing with or other submission to the United States Securities and
Exchange Commission ("SEC"). Each Funding Party and its counsel will be given a
reasonable opportunity to review and comment upon the Registration Statement in
each instance before it is filed with the SEC. In addition, the Company will
provide each Funding Party and its counsel with any written comments or other
written communications that the Company or its counsel receives from time to
time from the SEC or its staff with respect to the Registration Statement
promptly after the receipt of such comments or other communications.

            (b) In the Rights Offering, the Company will distribute, on a pro
rata basis and at no charge, Subscription Rights to each holder of record of
Common Stock as of the Rights

                                       4

<PAGE>

Offering Record Date. Each stockholder of record will receive one Subscription
Right for each share of Common Stock held by such holder as of the Rights
Offering Record Date. Each Subscription Right will entitle the holder to
purchase, at the election of the holder thereof, Rights Shares, on or prior to
the Expiration Date, at the Subscription Price, subject to the Aggregate
Offering Cap.

      Section 2.2 No Exercise of Subscription Privileges. Each Funding Party
agrees not to exercise its Basic Subscription Privilege or Over-subscription
Privilege in the Rights Offering.

Article III. The Debt Investment.

      Section 3.1 Form of Note. In exchange for any Funding received pursuant to
a Debt Investment, the Company shall issue to the appropriate Funding Party a
New Company Note substantially in the form as attached hereto as Exhibit A. The
New Company Notes issued in connection with such a Funding shall be exempt from
Section 4(xi)(6) of the Bridge Notes.

      Section 3.2 Security Agreement. The Company's obligations under a New
Company Note shall be secured pursuant to the terms of the New Company Note
(including, without limitation, pursuant to Section 1(b) of such New Company
Note) and pursuant to a security agreement ("Security Agreement") to be entered
into, prior to the consummation of the Debt Investment, between the Company and
the relevant Funding Party substantially in the form as attached hereto as
Exhibit B.

Article IV. Representations of the Company. The Company represents, warrants and
covenants to each of the Funding Parties as follows:

      Section 4.1 Organization. Each of the Company and its subsidiaries (a) is
duly organized, validly existing and in good standing under the laws of the
jurisdiction of its incorporation, (b) has all corporate power and authority to
own, lease and operate its property and to carry on its business as now being
conducted or as its business is contemplated to be conducted and to consummate
the transactions contemplated by this Agreement and the Supplemental
Registration Rights Agreement attached as Exhibit C hereto (the "Supplemental
Registration Rights Agreement" and, collectively with this Agreement, the New
Company Notes and the Security Agreement, the "Transaction Agreements") and (c)
is duly qualified or licensed to do business and is in good standing as a
foreign corporation under the laws of each jurisdiction where the nature of the
property owned or leased by it or the nature of the business conducted by it
makes such qualification or license necessary, except where the failure to be so
qualified or licensed (i) would not reasonably be expected to either prevent or
delay its ability to perform its obligations under the Transaction Agreements
and (ii) could not reasonably be expected, individually or in the aggregate, to
result in a Material Adverse Effect (as defined in Section 4.8(b)).

      Section 4.2 Due Authorization. The Company has all requisite corporate
power and authority to enter into, execute and deliver the Transaction
Agreements and to perform its respective obligations hereunder and thereunder,
and, except for receipt of the Stockholder Approval (as defined in Section 7.4),
has taken all necessary corporate action required for the due authorization,
execution, delivery and performance by it of the Transaction Agreements.

                                       5

<PAGE>

      Section 4.3 Due Execution; Enforceability. This Agreement has been and the
other Transaction Agreements when executed by the Company will be duly and
validly executed and delivered by the Company and constitute valid and binding
obligations of the Company enforceable against it in accordance with their
respective terms, subject to applicable bankruptcy, insolvency, fraudulent
conveyance, reorganization, moratorium and similar laws affecting creditors'
rights and remedies generally and subject, as to enforceability, to general
principles of equity, including principles of commercial reasonableness, good
faith and fair dealing (regardless of whether enforcement is sought in a
proceeding at law or in equity).

      Section 4.4 Consents. Other than (i) the Stockholder Approval, (ii)
pursuant to the Company's Amended and Restated Registration Agreement, dated as
of March 30, 1999 (the "Registration Agreement"), (iii) compliance with any
applicable requirements of the Securities Exchange Act of 1934, as amended,
including the rules and regulations promulgated thereunder (the "Exchange Act")
and (iv) compliance with the Securities Act of 1933, as amended, including the
rules and regulations promulgated thereunder (the "Securities Act"), neither the
execution, delivery or performance of the Transaction Agreements by the Company,
nor the consummation by the Company of its respective obligations and the
transactions contemplated by the Transaction Agreements, requires any consent or
approval of, authorization by, exemption from, filing or registration with, or
notice to any Governmental Entity (as defined in Section 9.5) or other person
except where the failure to obtain such consent, approval, authorization or
exemption or to make such filing or registration or to provide such notice (a)
would not reasonably be expected to either prevent or delay the Company's
ability to perform its obligations under the Transaction Agreements and (b)
could not reasonably be expected, individually or in the aggregate, to result in
a Material Adverse Effect.

      Section 4.5 No Conflicts. The execution, delivery and performance of the
Transaction Agreements does not, and the consummation of the transactions
contemplated hereby and thereby will not, (a) conflict with, or result in any
violation or breach of any provision of the certificate of incorporation or
bylaws of the Company or any of its subsidiaries, (b) except for the
Registration Agreement, conflict with, result in any violation or breach of, or
constitute (with or without notice or lapse of time, or both) a default under or
conflict with (or give rise to any right of termination, amendment, cancellation
or acceleration of any right or obligation or loss of any benefit under) any of
the terms, conditions or provisions of any note, bond, mortgage, license,
indenture, lease, contract or other agreement, instrument or obligation to which
the Company or any of its subsidiaries is a party or by which any of them or any
of their properties or assets may be bound or affected, (c) conflict with or
violate any permit, concession, franchise, license, judgment, injunction, order,
decree, statute, law, ruling, ordinance, rule or regulation (including, without
limitation, federal and state securities laws and regulations) (collectively,
"Laws") applicable to the Company or any of its subsidiaries or by which any of
their properties or assets are bound or affected or (d) except as contemplated
by the Security Agreement, result in the creation or imposition of any
Encumbrance (as defined in Section 9.5) against any of the properties or assets
of the Company or any of its subsidiaries, except in the case of clauses (b) or
(c) above, where such conflicts or violations could neither prevent or delay the
Company's ability to consummate the transactions contemplated by the Transaction
Agreements nor reasonably be expected, individually or in the aggregate, to
result in a Material Adverse Effect.

      Section 4.6 SEC Filings. Except as disclosed in the Company SEC Reports
(as

                                       6

<PAGE>

defined below) and in the registration statements filed by the Company with the
SEC, the Company has filed all reports and registration statements required to
be filed by it with the SEC. As of its filing date, and giving effect to any
amendments thereof, each report filed by the Company with the SEC (collectively,
the "Company SEC Reports") and each registration statement filed by the Company
with the SEC complied as to form in all material respects with the applicable
requirements of the Securities Act and the Exchange Act, as the case may be. As
of its filing date, and giving effect to any amendments thereof, each Company
SEC Report filed pursuant to the Exchange Act did not contain any untrue
statement of a material fact or omit to state any material fact necessary in
order to make the statements made therein, in the light of the circumstances
under which they were made, not misleading. The Company's draft registration
statement on Form S-1 provided to the Funding Parties on August 4, 2003, and
the Company's registration statement on Form S-1 filed with the SEC in
connection with the Rights Offering, as amended or supplemented, if applicable
(as of the date of such registration statement and when any amendment becomes
effective) complies and will comply as to form in all material respects with the
applicable requirements of the Securities Act and does not and will not contain
any untrue statement of a material fact or omit to state any material fact
required to be stated therein or necessary to make the statements therein not
misleading.

      Section 4.7 Financial Statements. Each of the consolidated financial
statements (including, in each case, any related notes thereto) contained in the
Company SEC Reports and each of the consolidated financial statements
(including, in each case, any related notes thereto) contained in the
registration statements filed by the Company with the SEC (collectively,
"Financial Statements") complied as to form in all material respects with
applicable accounting requirements and with the published rules and regulations
of the SEC with respect thereto, had been prepared in accordance with generally
accepted accounting principles ("GAAP") applied on a consistent basis throughout
the periods involved (except as may be indicated in the notes thereto or, in the
case of the unaudited financial statements contained therein (the "Interim
Financial Statements"), as permitted by Form 10-Q or the Exchange Act
regulations promulgated by the SEC), and each fairly presented the consolidated
financial position of the Company and its consolidated subsidiaries in all
material respects as at the respective dates thereof and the consolidated
results of its operations and cash flows for the periods indicated in accordance
with GAAP (subject, in the case of the Interim Financial Statements, to normal
audit adjustments which were not and are not expected, individually or in the
aggregate, to be material in amount).

      Section 4.8 Absence of Certain Changes. Since December 30, 2002, except as
disclosed in the Company SEC Reports prior to the date of this Agreement and the
draft Preliminary Proxy Statement provided to the Funding Parties on August 4,
2003, the Company and its subsidiaries have conducted their businesses in the
ordinary course, in a manner consistent with past practice, and there has not
been any event, occurrence or development of a state of circumstances or facts
which, individually or in the aggregate, has had or could reasonably be expected
to have a Material Adverse Effect or could prevent or delay the Company's
ability to consummate the transactions contemplated by the Transaction
Agreements. For purposes of this Agreement, a "Material Adverse Effect" means
any fact, event, change, circumstance, condition or effect which is or could
reasonably be expected to be materially adverse to the business, condition
(financial or otherwise), results of operations, prospects, properties, assets
or liabilities of the Company and its subsidiaries, taken as a whole.

                                       7

<PAGE>

      Section 4.9 Litigation. Except as set forth in the Company's Annual Report
on Form 10-K/A filed on April 1, 2003 or the Company's Quarterly Report on Form
10-Q filed on May 9, 2003, there is no judgment, ruling, decree, injunction,
rule or order of any Governmental Entity, arbitrator or other person outstanding
against the Company or any of its subsidiaries. Since December 30, 2002, except
as set forth in the Company's Annual Report on Form 10-K/A filed on April 1,
2003 or the Company's Quarterly Report on Form 10-Q filed on May 9, 2003, and
the draft Preliminary Proxy Statement provided to the Funding Parties on August
4, 2003, there have been no claims, actions, suits, proceedings or
investigations, or any amendment of any prior claim, action, suit, proceeding or
investigation, initiated against or, to the knowledge of the Company, threatened
against or affecting the Company or any of its subsidiaries (or any of their
respective properties or assets) at law or in equity or before or by any
Governmental Entity, arbitrator or other person which (a) in any manner
challenges or seeks to prevent, enjoin, alter or materially delay the
transactions contemplated by the Transaction Agreements or (b) if resolved
adversely to the Company or a subsidiary could reasonably be expected to have,
individually or in the aggregate, a Material Adverse Effect.

      Section 4.10 No Preemptive Rights. No preemptive rights, participation
rights, rights of first offer or first refusal, tag-along or drag-along rights
or similar rights (collectively, "Preemptive Rights") will apply or become
applicable in connection with or as a result of the transactions contemplated by
the Transaction Agreements.

      Section 4.11 Due Issuance and Authorization of Securities. All of the
outstanding shares of capital stock of the Company have been, or upon issuance
will be, validly issued, fully paid and non-assessable. No securities of the
Company are subject to Preemptive Rights or other similar rights of any or all
of the stockholders of the Company. Subject to the Stockholder Approval (but
only with respect to the issuance of any shares of Common Stock), the securities
issued and delivered to the Funding Party pursuant to any Funding ("Issued
Securities") and any shares of Common Stock issuable upon conversion, exchange
or exercise of any Issued Securities will be, upon issuance, duly authorized,
validly issued, fully paid and non-assessable, and will vest in the Funding
Party legal and valid title to such securities, free and clear of all
Encumbrances and will not be subject to Preemptive Rights or other similar
rights of any or all of the stockholders of the Company. The New Company Notes
will contain substantially the terms set forth in the form of senior secured
convertible note attached hereto as Exhibit A.

Article V.  Representations of the Funding Parties.  Each of the Funding
Parties, as to itself, severally and not jointly, represents to the Company
as follows:

      Section 5.1 Organization. The Funding Party (a) if not an individual, is
duly formed, validly existing and in good standing under the laws of its
jurisdiction of formation and (b) has all corporate, partnership or other
similar power and authority to consummate the transactions contemplated by the
Transaction Agreements.

      Section 5.2 Due Authorization. The Funding Party has all requisite
corporate, partnership or other similar power (if not an individual) and
authority to enter into, execute and deliver the Transaction Agreements and to
perform its obligations hereunder and thereunder and has taken all necessary
corporate, partnership or other similar action required for the due
authorization, execution, delivery and performance by it of the Transaction
Agreements.

                                       8

<PAGE>

      Section 5.3 Due Execution; Enforceability. This Agreement has been duly
and validly executed and delivered by the Funding Party and constitutes its
valid and binding obligation, enforceable against it in accordance with its
terms, subject to applicable bankruptcy, insolvency, fraudulent conveyance,
reorganization, moratorium and similar laws affecting creditors' rights and
remedies generally and subject, as to enforceability, to general principles of
equity, including principles of commercial reasonableness, good faith and fair
dealing (regardless of whether enforcement is sought in a proceeding at law or
in equity).

      Section 5.4 Accredited Investor. The Funding Party is an "accredited
investor" within the meaning of Rule 501(a) promulgated under the Securities
Act.

      Section 5.5 Consents. Other than compliance with any applicable
requirements of the Exchange Act and compliance with the Securities Act, neither
the execution, delivery or performance of the Transaction Agreements by the
Funding Party, nor the consummation by the Funding Party of its respective
obligations and the transactions contemplated by the Transaction Agreements,
requires any material consent or approval of, authorization by, exemption from,
filing or registration with, or notice to any Governmental Entity or other
person except where the failure to obtain such consent, approval, authorization
or exemption or to make such filing or registration or to provide such notice
would not reasonably be expected to prevent or delay the Funding Party's ability
to perform its obligations under the Transaction Agreements.

      Section 5.6 No Conflicts. The execution, delivery and performance of the
Transaction Agreements does not, and the consummation of the transactions
contemplated hereby and thereby will not, (a) if such Funding Party is not an
individual, conflict with, or result in any violation or breach of any provision
of the organizational documents of such Funding Party, (b) conflict with, result
in any violation or breach of, or constitute (with or without notice or lapse of
time, or both) a default under or conflict with (or give rise to any right of
termination, amendment, cancellation or acceleration of any right or obligation
or loss of any benefit under) any of the terms, conditions or provisions of any
material note, bond, mortgage, license, indenture, lease, contract or other
agreement, instrument or obligation to which the Funding Party is a party or by
which it or any of its properties or assets may be bound or affected or (c)
conflict with or violate any material Laws applicable to the Funding Party or by
which any of its properties or assets are bound or affected, except in the case
of clauses (b) or (c) above, where such conflicts or violations could not
prevent or delay the Funding Party's ability to consummate the transactions
contemplated by the Transaction Agreements.

Article VI. Additional Covenants.  Each of the Funding Parties, severally and
not jointly, and the Company agree that:

      Section 6.1 Stockholders Meeting. The Company shall, as promptly as
practicable, duly call, give notice of, convene and hold a meeting of its
stockholders in accordance with applicable Law and its organizational documents
for the purpose of obtaining the Stockholder Approval.

      Section 6.2 The Rights Offering. The Company, consistent with the Board of
Directors' fiduciary duties, shall use its reasonable best efforts to obtain the
Stockholder

                                       9

<PAGE>

Approval and consummate the Rights Offering in accordance with applicable Law.

      Section 6.3 Listing Obligation. As long as the Company has securities
listed on Nasdaq or any other stock exchange, the Company will take all
reasonable steps necessary, and pay all reasonable fees required, to list all of
the shares of Common Stock issued (or issuable upon conversion, exchange or
exercise of other Issued Securities issued) in connection with the Funding and
the Rights Shares on Nasdaq or such other stock exchanges in the United States
of America on which the Common Stock then is listed. Following the initial
listing of such shares, the Company, consistent with the Board of Directors'
fiduciary duties, will use its commercially reasonable best efforts to maintain
the listing of such shares whenever the Common Stock is listed on any such
exchange.

      Section 6.4 Reservation of Common Shares. The Board of Directors shall
reserve for issuance 17,000,000 shares of Common Stock for the purpose of
issuing the shares of Common Stock upon conversion, exchange or exercise of any
Issued Securities issued in connection with the Funding and on the conversion of
the Prior Note and the Bridge Notes and shall not engage in any recapitalization
or other restructuring that shall increase the number of shares so issuable
pursuant to the terms of the Issued Securities and on the conversion of the
Prior Note and the Bridge Notes. The Company shall use its best efforts to
obtain stockholder approval and all other necessary approvals for the
authorization of additional shares of Common Stock in the event that shares of
Common Stock in excess of the number of shares reserved pursuant to the
preceding sentence are issuable upon conversion, exchange or exercise of any
Issued Securities issued in connection with the Funding and on the conversion of
the Prior Note and the Bridge Notes.

      Section 6.5 Commercially Reasonable Efforts; Further Assurances. Subject
to the terms and conditions of this Agreement, the Funding Parties and the
Company will use commercially reasonable efforts to take, or cause to be taken,
all actions and to do, or cause to be done, all things necessary under
applicable Laws or as the other parties may reasonably request for the
implementation of the Transaction Agreements and the consummation of the
transactions contemplated hereby and thereby. From time to time after the date
of this Agreement, the parties hereto shall execute, acknowledge and deliver to
the other parties such other instruments, documents, and certificates and will
take such other actions as the other parties may reasonably request in order to
consummate the transactions contemplated by this Agreement.

      Section 6.6 Public Announcements. The parties shall consult with each
other before issuing any press release or otherwise making any public statements
with respect to the Transaction Agreements or the transactions contemplated
hereby or thereby and shall not issue any such press release or make any such
public statement without the prior consent of the other parties (which consent
shall not be unreasonably withheld or delayed), except as may be required by Law
or any listing rules of, or listing agreement or arrangement with, a national
securities exchange to which the Company is a party.

      Section 6.7 Notification of Certain Matters. The Company shall give notice
to each Funding Party promptly after becoming aware of the occurrence or
non-occurrence of any event the occurrence or non-occurrence of which has caused
or would be reasonably likely to cause (a) any representation or warranty of the
Company contained in this Agreement to be untrue or inaccurate, (b) any
covenant, condition or agreement contained in this Agreement not to be

                                       10

<PAGE>

complied with or satisfied, (c) any condition set forth in Article VII to be
unsatisfied or (d) a Funding Party to have the right to terminate this Agreement
under Article VIII hereof; provided, however, that the delivery of any notice
pursuant to this Section 6.7 shall not limit or otherwise affect the remedies
available hereunder to the party receiving such notice.

ARTICLE VII. Conditions to the Obligations of a Funding Party. The obligations
of each Funding Party are subject to the fulfillment to its satisfaction, prior
to the closing of any Funding (a "Closing"), of the following conditions:

      Section 7.1 Compliance. The representations and warranties of the Company
in this Agreement shall be true and correct as of the date of this Agreement and
at and as of the date of the applicable Closing (with the same effect as though
made as of such Closing), and the Company shall have performed and complied with
all agreements, obligations and conditions contained in this Agreement required
to be performed or complied with by it prior to the applicable Closing. The
Company shall have delivered to the Funding Party:

            (a) an Officer's Certificate, dated the date of the Closing,
      certifying that the conditions specified in Sections 7.1, 7.4, 7.5 and 7.6
      have been fulfilled;

            (b) certified copies of resolutions and other corporate proceedings,
      in form and substance reasonably satisfactory to such Funding Party,
      authorizing the execution, delivery and performance of the Transaction
      Agreements and the transactions contemplated hereby and thereby,
      including, without limitation, the issuance and delivery of any Issued
      Securities, and certifying any director and/or stockholder resolutions or
      approval to have been obtained; and

            (c) a certified schedule of all material agreements, arrangements,
      contracts, understandings and commitments to which the Company is a party
      or by or to which it or its assets or properties are bound or subject
      ("Material Contracts").

      Section 7.2 Funding Permitted by Applicable Law, Etc. On the date of the
Closing, the Funding and the issuance of any securities pursuant thereto shall
be permitted by the Laws of each jurisdiction to which the Company and the
Funding Party are subject and no action, suit, proceeding, statute, rule,
regulation, order, decree, judgment, injunction, restraining order or
investigation by or before any Governmental Entity or other person shall have
been enacted, issued, enforced, commenced or threatened which has the effect of
restraining, prohibiting or invalidating or otherwise interfering with the
transactions contemplated by the Transaction Agreements.

      Section 7.3 Proceedings and Documents. All corporate and other proceedings
in connection with the transactions contemplated by the Transaction Agreements
and all documents, agreements, instruments and certificates (including, without
limitation, those described in the second sentence of Section 1.4) incident to
such transactions shall be reasonably satisfactory to such Funding Party and its
counsel, and such Funding Party and its counsel shall have received all such
counterpart originals or certified or other copies of such documents,
agreements, instruments and certificates as it or they may reasonably request.

      Section 7.4 Required Consents. The Company shall have obtained all
consents,

                                       11

<PAGE>

authorizations and approvals necessary or reasonably requested by the
Funding Party in connection with the transactions contemplated by the
Transaction Agreements, including, without limitation, (i) the Stockholder
Approval, (ii) the consent of the Initiating Holders (as such term is defined in
the Registration Agreement) pursuant to the Registration Agreement, and (iii)
the approval of the Board of Directors pursuant to applicable Laws, the
Company's organizational documents or otherwise (including, where appropriate,
the approval of disinterested directors or a special committee thereof) and
including resolutions exempting the applicability of Section 203 of the Delaware
General Corporation Law, none of which have been revoked, and in each case, the
Company shall have provided evidence of the foregoing in form and substance
reasonably satisfactory to the Funding Party. For purposes of this Agreement,
the "Stockholder Approval" means the approval of the stockholders of the Company
with respect to (and, in each case, including the direct or indirect potential
issuance of shares of Common Stock pursuant to) (i) the conversion feature of
the Prior Note; (ii) the conversion feature of the Bridge Notes; (iii) the
consummation and terms of the Rights Offering and (iv) the rights and
obligations of the Company and the Funding Parties pursuant to this Agreement
(including, without limitation, with respect to the potential Debt Funding).

      Section 7.5 Execution of Supplemental Registration Rights Agreement. The
Company and the requisite stockholders needed to effect the Supplemental
Registration Rights Agreement shall have executed, delivered to the Funding
Party and not withdrawn from the Supplemental Registration Rights Agreement, and
such Supplemental Registration Rights Agreement shall remain in full force and
effect.

      Section 7.6 Nasdaq Listing. All shares of Common Stock issued (or issuable
upon conversion, exchange or exercise of other Issued Securities issued) in
connection with the Funding shall have been approved for quotation on NASDAQ,
subject to official notice of issuance.

      Section 7.7 Opinion. The Funding Party shall have received a favorable
opinion, in form and substance reasonably acceptable to such Funding Party and
its legal counsel, from Cadwalader, Wickersham & Taft LLP, counsel to the
Company, dated the date of Closing, with respect to: (A) the Company's corporate
existence, power, authority and good standing; (B) the due authorization,
execution and delivery of this Agreement and each of the Transaction Agreements
and the due authorization of the issuance of the securities contemplated hereby;
(C) the validity and enforceability of the Transaction Agreements; (D) the
Transaction Agreements (i) do not violate the charter or bylaws of the Company,
(ii) do not violate or breach any Material Contract, (iii) do not violate any
applicable Laws or any judgment, order or decree known to such counsel which is
applicable to the Company or any subsidiary; (E) the due authorization of the
securities issuable in connection with any Funding and upon conversion of the
New Company Note, and upon issuance thereof that such securities will be validly
issued, fully paid and nonassessable; (F) to such counsel's knowledge, no
threatened or pending legal or governmental investigations, actions, suits or
proceedings against or affecting the Company or any subsidiary relating to this
Agreement or the Transaction Agreements or which would adversely affect the
ability of the Company to perform its obligations hereunder or thereunder; and
(G) no licenses, permits, certificates, consents, orders, approvals or other
authorizations from governmental authorities (collectively, "Governmental
Approvals") required to be obtained by the Company for the execution and
delivery of, or the consummation of the transactions

                                       12

<PAGE>

contemplated by, the Transaction Agreements.

            Article VIII. Termination.

      Section 8.1 Termination Events. This Agreement may be terminated, before
or after the Closing of any Funding, by a Funding Party (provided, that such
termination will be effective with respect to the Company and such terminating
Funding Party, but not with respect to the Company and any other Funding Party
that has not terminated this Agreement):

            (a) at any time after December 1, 2003 (the "Termination Date");
      provided, that such Termination Date shall be extended to December 31,
      2003 if (i) the Company has obtained the Stockholder Approval prior to
      December 1, 2003 and (ii) the Company has waived its rights under the
      Alternative Funding Letters;

            (b) if a court of competent jurisdiction or other Governmental
      Entity shall have issued an order, decree or ruling (which order, decree
      or ruling the parties shall use their reasonable best efforts to have
      lifted) or taken other action permanently restraining or enjoining or
      otherwise prohibiting any of the transactions contemplated by the
      Transaction Agreements, and such order, decree, ruling or other action
      shall have become final and non-appealable;

            (c) upon breach of any representation, warranty, covenant or
      agreement on the part of the Company set forth in this Agreement, or if
      any representation or warranty of the Company shall have become untrue, in
      either case such that any condition set forth in Section 7.1 can not be
      satisfied on or before the Termination Date;

            (d) if there shall have been a (i) Material Adverse Effect or (ii)
      failure by the Company to obtain the Stockholder Approval at the first
      meeting of stockholders held after the date of this Agreement;

            (e) if the Company shall have (i) changed its jurisdiction of
      incorporation; (ii) succeeded to all or any substantial part of the
      liabilities of any other entity; (iii) directly or indirectly,
      consolidated with or merged into any other person or permitted any other
      person to consolidate with or merge into it or engaged in any other
      corporate reorganization; (iv) sold, leased, conveyed, abandoned or
      otherwise disposed of all or substantially all or any substantial part of
      its assets in one transaction or a series of transactions; (v) engaged in
      a transaction or series of transactions (other than the Rights Offering, a
      Common Stock Investment or a Debt Investment) in which more than twenty
      percent (20%) of the voting power of the Company directly or indirectly
      may be issued, transferred or disposed of (including by exercise, exchange
      or conversion of derivative securities) to a person other than a Funding
      Party; (vi) incurred, assumed or guaranteed any indebtedness for borrowed
      money or incurred Encumbrances (other than pursuant to the Prior Note,
      Bridge Notes or any New Company Notes) in excess of $3 million; (vii)
      taken any action to effect or allow the dissolution, winding up or
      liquidation of the Company or the insolvency of, or the appointment of an
      assignee for the benefit of creditors of, or of a receiver for, the
      Company; (viii) filed a petition in bankruptcy or allowed such a petition
      to be filed against the Company or (ix) agreed or committed to do any of
      the foregoing; or

                                       13

<PAGE>

            (f) if First Republic Bank or any direct or indirect assignee of any
      of its rights under the Prior Note or with respect to the indebtedness
      reflected in connection therewith has demanded payment pursuant to the
      Guaranty or if there has occurred any event of default or breach by the
      Company under the agreements or instruments entered into in connection
      with such indebtedness (including, without limitation, the Prior Note) or
      if there has occurred any event of default or breach by the Company under
      the agreements or instruments entered into in connection with the Bridge
      Notes.

      Section 8.2 Result of Termination. In the event of termination of this
Agreement and abandonment of the transactions contemplated hereby by any or all
of the parties pursuant to Section 8.1, written notice thereof shall forthwith
be given to the other party or parties hereto and, with respect to the
terminating Funding Party and the Company, this Agreement shall terminate and
the transactions contemplated hereby shall be abandoned, without further action
by any of the parties hereto. If this Agreement is terminated as provided
herein, this Agreement, the applicable Funding Letter and the Rights Offering
Term Sheet shall become void and of no effect with respect to the terminating
Funding Party and the Company with no liability on the part of either such party
hereto or thereto, provided, that the covenants and agreements set forth in this
Section 8.2 and in Article IX shall survive the termination hereof and that no
such termination shall relieve any party from any liability or damages resulting
from any willful breach by that party of this Agreement and the obligations of
the Funding Parties to First Republic Bank with respect to the Prior Note shall
continue.

Article IX. Miscellaneous.

      Section 9.1 Notices. Any notices and other communications given pursuant
to this Agreement shall be in writing and shall be effective upon delivery by
hand or upon receipt if sent by certified or registered mail (postage prepaid)
or by a nationally recognized overnight courier service (appropriately marked
for overnight delivery) or upon transmission if sent by facsimile (with physical
delivery of the communication being made by one of the other means specified in
this Section 9.1 as promptly as practicable thereafter). Notices are to be
addressed as follows:

            (a)   If to ZAM Holdings, to:

                  ZAM Holdings, L.P.
                  c/o Ziff Brothers Investments, L.L.C.
                  153 E. 53rd Street
                  New York, New York 10022
                  Attention:  Frederick H. Fogel, Esq.
                  Telecopy No.:  (212) 292-6538

                  with a copy (which shall not constitute notice) to:

                  Skadden, Arps, Slate, Meagher & Flom LLP
                  Four Times Square
                  New York, NY 10036
                  Attention:  Diana M. Lopo, Esq.
                  Telecopy No.:  (212) 735-2000

                                       14

<PAGE>

            (b)   If to Gleacher, to:

                  Eric Gleacher
                  Gleacher Partners LLC
                  660 Madison Avenue
                  19th Floor
                  New York, NY 10021
                  Telecopy No.: (212) 843-3828

            (c)   If to Phillips, to:

                  Charles G. Phillips
                  775 Park Avenue
                  New York, NY 10021
                  Telecopy No.:  (212) 249-7855

            (d)   If to LJCB, to:

                  LJCB Nominees Pty Ltd.
                  161 Collins Street
                  Melbourne, Australia 3000
                  Attention: President
                  Telecopy No.:  +61 414-814524

            (e)   If to the Company, to:

                  Cosi, Inc.
                  Attn: William D. Forrest
                  242 West 36th Street, 11th Floor
                  New York, NY 10018
                  Telecopy No.:  (212) 739-7334

                  with a copy (which shall not constitute notice) to:

                  William P. Mills, III, Esq.
                  Cadwalader, Wickersham & Taft LLP
                  100 Maiden Lane
                  New York, New York 10038
                  Telecopy No.: (212) 504-6666

or to such other respective addresses as any of the parties hereto shall
designate to the other by like notice, provided that notice of a change of
address shall be effective only upon receipt thereof. All such notices and other
communications shall be deemed received on the date of receipt by the recipient
thereof if received prior to 5 p.m. in the place of receipt and such day is a
business day in the place of receipt. Otherwise, any such notice, request or
communication shall be deemed not to have been received until the next
succeeding business day in the place of

                                       15

<PAGE>

receipt.

      Section 9.2 Entire Agreement; Waivers and Amendments. This Agreement
contains the entire agreement and understanding between the Company, on the one
hand, and each Funding Party, on the other hand, with respect to the funding and
related transactions contemplated herein and supersede all prior written or oral
agreements, statements, representations, and understandings with respect
thereto. With respect to the Company and any Funding Party, this Agreement may
only be amended or modified, and the terms hereof may only be waived, by a
writing signed by both such parties or, in the case of a waiver, by the party
entitled to the benefit of the terms being waived. No failure or delay by any
party in exercising any right, power or privilege hereunder shall operate as a
waiver thereof nor shall any single or partial exercise thereof preclude any
other or further exercise thereof or the exercise of any other right, power or
privilege. No waiver on the part of any party of, or failure to insist upon,
strict compliance with any obligation, covenant, agreement or condition shall
operate as a waiver of, or estoppel with respect to, any subsequent or other
failure to comply with any obligation, covenant, agreement or condition. The
rights and remedies provided pursuant to this Agreement are cumulative and are
not exclusive of any rights or remedies which any party otherwise may have at
law or in equity.

      Section 9.3 Assignments; Binding Effect.

      (a) Neither this Agreement nor any rights, interests or obligations
hereunder may be assigned, delegated or otherwise transferred by the Company, in
whole or in part, without the prior written consent of the other parties hereto,
and any attempted assignment, delegation or transfer without such consent shall
be void and of no effect. Neither this Agreement nor any rights, interests or
obligations hereunder may be assigned, delegated or otherwise transferred by any
Funding Party, in whole or in part, without the prior written consent of the
Company, and any attempted assignment, delegation or transfer without such
consent shall be void and of no effect.

      (b) This Agreement shall be binding upon and inure to the benefit of the
Funding Parties and their respective heirs, legal representatives, successors
and permitted assigns. This Agreement shall be binding upon and inure to the
benefit of the Company. With respect to any Funding Party, this Agreement shall
not inure to the benefit of the heirs, legal representatives, successors or
assigns of the Company without the prior written consent of such Funding Party.

      Section 9.4 No Third Party Beneficiaries. This Agreement is for the
benefit of the parties hereto and is not intended to confer upon any other
person any rights or remedies hereunder, except as otherwise provided in Section
9.10.

      Section 9.5 Interpretation. This Agreement shall be construed as if
drafted jointly by the parties and no presumption or burden of proof shall arise
favoring or disfavoring any party by virtue of the authorship of any provisions
of this Agreement. The definitions contained in this Agreement are applicable to
the singular as well as the plural forms of such terms and to the masculine as
well as to the feminine and neuter genders of such term. The words "hereof,"
"herein" and "hereunder" and words of similar import when used in this Agreement
shall refer to this Agreement as a whole and not to any particular provision of
this Agreement. Any statute defined or referred to herein or in any agreement or
instrument that is referred to herein means

                                       16

<PAGE>

such statute as from time to time amended, modified or supplemented, including
(in the case of statutes) by succession of comparable successor statutes. As
used in this Agreement, the term:

            (a) "person" shall mean and include a natural person, a partnership,
      a joint venture, a corporation, a limited liability company, an
      association, a company, a trust, any other entity, an unincorporated
      organization and a government or any department, political subdivision or
      agency thereof;

            (b) "business day" shall mean a day which in the State of New York
      is neither a legal holiday nor a day on which banking institutions are
      required or authorized by Law or regulation to close;

            (c) "subsidiary" of any person shall mean any corporation,
      partnership, joint venture or other legal entity of which such person
      (either alone or through or together with any other subsidiary), owns,
      directly or indirectly, more than 50% of the stock or other equity
      interests, the holders of which are generally entitled to vote for the
      election of the board of directors or other governing body of such
      corporation, partnership, joint venture or other legal entity;

            (d) "affiliate" shall have the meaning set forth in Rule 12b-2
      promulgated under the Exchange Act;

            (e) "Governmental Entity" means any United States (Federal, state or
      local) or foreign government, or governmental, regulatory, judicial or
      administrative authority, agency or commission;

            (f) "Encumbrance" means any pledge, claim, lien, charge, encumbrance
      or security interest of any kind or nature whatsoever; and

            (g) "Dollars" and "$" mean dollars in lawful currency of the United
      States of America.

      Section 9.6 Governing Law; Jurisdiction; Specific Performance.

      (a) This Agreement shall be governed by, and construed and enforced in
accordance with, the laws of the State of New York.

      (b) Each of the parties hereto hereby irrevocably submits to the exclusive
jurisdiction of (i) the United States District Court for the Southern District
of New York and, if such court lacks jurisdiction, (ii) the Supreme Court of the
State of New York, New York County, for the purposes of any suit, action or
other proceeding arising out of this Agreement or any transaction contemplated
hereby. Each of the parties hereto hereby agrees (A) to commence any action,
suit or proceeding relating hereto either in the United States District Court
for the Southern District of New York or if such suit, action or other
proceeding may not be brought in such court for jurisdictional reasons, in the
Supreme Court of the State of New York, New York County, and (B) that service of
any process, summons, notice or document by U.S. registered mail to such party's
respective address set forth above shall be effective service of process for any
action, suit or proceeding in New York with respect to any matters to which it
has submitted to jurisdiction

                                       17

<PAGE>

in this Section. The parties hereto hereby irrevocably and unconditionally waive
any objection to the laying of venue of any action, suit or proceeding arising
out of this Agreement or the transactions contemplated hereby in (1) the Supreme
Court of the State of New York, New York County, or (2) the United States
Distinct Court for the Southern District of New York, and hereby further
irrevocably and unconditionally waive and agree not to plead or claim in any
such court that any such action, suit or proceeding brought in any such court
has been brought in an inconvenient forum.

      Section 9.7 Captions. The headings in this Agreement are inserted for
convenience of reference only, and shall not affect the interpretation of this
Agreement.

      Section 9.8 Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original and all of which
together shall be considered one and the same agreement. All such counterparts
will be deemed an original, will be construed together and will constitute one
and the same instrument.

      Section 9.9 Severability. If any term, provision, covenant or restriction
of this Agreement is held by a court of competent jurisdiction or other
authority to be invalid, void or unenforceable, the remainder of the terms,
provisions, covenants and restrictions of this Agreement shall remain in force
and effect and shall in no way be affected, impaired or invalidated so long as
the economic and legal substance of the transactions contemplated hereby is not
affected in any manner materially adverse to any party. Upon such determination,
the parties shall negotiate in good faith to modify this Agreement so as to
effect the original intent of the parties as closely as possible in an
acceptable manner in order that the transactions contemplated hereby be
consummated as originally contemplated to the fullest extent possible.

      Section 9.10 Indemnification. (a) The Company will indemnify, save and
hold harmless each Funding Party, and all of its respective directors, officers,
stockholders, employees, partners, members, managers, representatives,
affiliates, attorneys and agents and all of its respective heirs, successors,
legal administrators and permitted assigns (collectively, the "Indemnitees")
from and against any and all liability, loss, cost, damage, reasonable
attorneys' and accountants' fees and expenses, court costs and all other
out-of-pocket expenses incurred by any or all of the Indemnitees in connection
with any investigation, litigation or proceeding relating to or arising from the
execution, delivery and performance by the Company of the Transaction
Agreements, the Rights Offering, any Funding and any other transactions related
hereto or thereto (including, without limitation, the Company's use of the
Collateral, as defined in the New Company Notes), and the consummation of all
such transactions, except to the extent of any willful misconduct or gross
negligence of the Indemnitees. This indemnification provision will be in
addition to the rights of each and all of the Indemnitees to bring an action
against the Company for breach of any term of this Agreement or any other
Transaction Agreement. The Company acknowledges and agrees that each and all of
the Indemnitees shall be treated as third party beneficiaries with rights to
bring an action against the Company under this Section 9.10.

      (b) A Funding Party shall give the Company prompt notice of any
third-party claim that may give rise to any indemnification obligation under
this Section 9.10, together with the estimated amount of such claim, and the
Company shall have the right to assume the defense (at the Company's expense) of
any such claim through counsel of the Company's own choosing by

                                       18

<PAGE>

so notifying the Funding Party within thirty (30) days of the first receipt by
the Company of such notice from the Funding Party; provided, however, that any
such counsel shall be reasonably satisfactory to the Funding Party. Failure to
give such notice shall not affect the indemnification obligations hereunder in
the absence of actual and material prejudice. From and after the date the
Company notifies the Funding Party of its assumption of the defense of a
third-party claim, the Company will not be liable for any fees or expenses of
separate counsel incurred by a Funding Party; provided that (i) if, under
applicable standards of professional conduct, a conflict with respect to any
significant issue between any Indemnitee and the Company would reasonably be
expected to exist in respect of such third-party claim, the Company shall pay
the reasonable fees and expenses of such additional counsel as may be required
to be retained in order to resolve such conflict and (ii) the Company shall be
liable for the fees and expenses of counsel employed by the Funding Party or an
Indemnitee for any period during which the Company has not assumed the defense
of any such third-party claim (other than during any period in which the Funding
Party will have failed to give notice of the third-party claim as provided
above). If the Company assumes such defense, the Funding Party shall have the
right to participate in the defense thereof and to employ counsel, at its own
expense, separate from the counsel employed by the Company. If two or more of
the Funding Parties or Indemnitees may be entitled to indemnification from the
Company as parties to any proceeding, the Company may require each party to use
the same legal counsel as the other parties; provided, however, that each party
shall be entitled to separate legal counsel if a conflict with respect to any
significant issue between the Indemnitees would reasonably be expected to exist.
If the Company chooses to defend or prosecute any third-party claim, the Funding
Party shall agree to any settlement, compromise or discharge of such third-party
claim that the Company may recommend and that, by its terms, discharges the
Funding Party and the Indemnitees from the full amount of liability in
connection with such third-party claim; provided, however, that, without the
consent of the Funding Party, the Company shall not consent to, and the Funding
Party shall not be required to agree to, the entry of any judgment or enter into
any settlement that (A) provides for injunctive or other non-monetary relief
affecting the Funding Party or any Indemnitee or (B) does not include as an
unconditional term thereof the giving of a release from all liability with
respect to such claim by each claimant or plaintiff to each Indemnitee that is
the subject of such third-party claim. Notwithstanding anything in this
Agreement to the contrary, the Company shall have no obligation to indemnify any
Funding Party or Indemnitee under this Agreement for any amounts paid in
settlement of any proceeding without the Company's prior written consent, which
may not be unreasonably withheld or delayed. The Company may offset (1) any
unpaid amount for which a Funding Party or an Indemnitee is determined to be
liable to the Company pursuant to any proceeding, claim, issue or matter
determined by final judgment or other final adjudication, not subject to further
appeal or review, against (2) any indemnification payment required to be made by
the Company pursuant to this Section 9.10 to such Funding Party or Indemnitee.

      Section 9.11 Survival of Representations and Warranties, etc. All
representations and warranties made in, pursuant to or in connection with this
Agreement will survive the execution and delivery of this Agreement
indefinitely, notwithstanding any investigation at any time made by or on behalf
of any party hereto; and all statements contained in any certificate, instrument
or other writing delivered by or on behalf of any party hereto required to be
made pursuant to the terms of this Agreement or required to be made in
connection with or in contemplation of the transactions contemplated by this
Agreement will constitute representations and warranties by such party pursuant
to this Agreement.

                                       19

<PAGE>

      IN WITNESS WHEREOF, each of the parties has executed this Agreement as of
the date first written above.

                              ZAM Holdings, L.P.,
                              by its General Partner,
                              PBK HOLDINGS, INC.

                              By: /s/ Fred Fogel
                                  ----------------------------
                              Name:  Fred Fogel
                              Title: VP

                              ERIC J. GLEACHER

                              /s/ Eric J. Gleacher
                              --------------------------------

                              CHARLES G. PHILLIPS

                              /s/ Charles G. Phillips
                              --------------------------------

                              LJCB NOMINEES PTY. LTD.
                              by its Director, Greg Woolley

                              By: /s/ Greg Woolley
                                  ----------------------------
                              Name:  Greg Woolley
                              Title: Director

                              COSI, INC.

                              By: /s/ William D. Forrest
                                  ----------------------------
                              Name:  William D. Forrest
                              Title: Executive Chairman

                                       20

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