Document:

REVOLVING LINE OF CREDIT NOTE

$7,500,000.00                                                   Denver, Colorado
                                                              September 15, 2005

     FOR VALUE RECEIVED, the undersigned DYNAMIC MATERIALS CORPORATION
("Borrower") promises to pay to the order of WELLS FARGO BANK, NATIONAL
ASSOCIATION ("Bank") at its office at Colorado RCBO, 1740 Broadway, 3rd Floor,
Denver, CO 80274, or at such other place as the holder hereof may designate, in
lawful money of the United States of America and in immediately available funds,
the principal sum of Seven Million Five Hundred Thousand Dollars
($7,500,000.00), or so much thereof as may be advanced and be outstanding, with
interest thereon, to be computed on each advance from the date of its
disbursement as set forth herein.

I.   DEFINITIONS:

     As used herein, the following terms shall have the meanings set forth after
each, and any other term defined in this Note shall have the meaning set forth
at the place defined. Terms used herein and defined in the Credit Agreement have
the respective meanings ascribed to them in the Credit Agreement.

     (a) "Adjusted Euribor Rate" means, for any Interest Rate Determination Date
with respect to a Fixed Rate Term for a Euro denominated Advance, the rate per
annum obtained by dividing (i) the offered quotation (rounded upward to the
nearest 1/100th of 1%) by first class banks in the London interbank market to
Bank for deposits in Euro of amounts in same day funds comparable to the
principal amount of the Euro-denominated Advance for which the Adjusted Euribor
Rate is then being determined with maturities comparable to such Fixed Rate Term
as of approximately 11:00 A.M. (London time) on such Interest Rate Determination
Date by (ii) a percentage equal to 100% minus the stated maximum rate of all
reserve requirements (including any marginal, emergency, supplemental, special
or other reserves) applicable on such Interest Rate Determination Date to any
member bank of the Federal Reserve System in respect of "Eurocurrency
liabilities" as defined in Regulation D of the Federal Reserve Board (or any
successor category of liabilities under Regulation D).

     (b) "Credit Agreement" means the Credit Agreement dated as of September 15,
2005 by and between Borrower and Bank, as amended from time to time.

     (c) "Fixed Rate Term" means a period commencing on a Business Day and
continuing for 1, 2 or 3 months, as designated by Borrower, during which all or
a portion of the outstanding principal balance of this Note bears interest
determined in relation to (i) with respect to Dollar-denominated Advances,
LIBOR; or, with respect to Euro-denominated Advances, the Adjusted Euribor Rate;
provided however, that no Fixed Rate Term may be selected for a principal amount
less than One Hundred Thousand Dollars ($100,000.00); and provided further, that
no Fixed Rate Term shall extend beyond the scheduled maturity date hereof. If
any Fixed Rate Term would end on a day which is not a Business Day, then such
Fixed Rate Term shall be extended to the next succeeding Business Day, provided,
however, that provided that, if any Fixed Rate Term applicable to a
Euro-denominated Advance would otherwise expire on a day that is not a Business
Day but is a day of the month after which no further Business Day occurs in such
month, such Fixed Rate Term shall expire on the next preceding Business Day.

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     (d) "Interest Rate Determination Date" means each date for calculating the
Adjusted Euribor Rate, for purposes of determining the interest rate in respect
of a Fixed Rate Term. The Interest Rate Determination Date in respect of
calculating the Adjusted Euribor Rate shall be the second Business Day prior to
the first day of the related Fixed Rate Term.

     (e) "LIBOR" means the rate per annum (rounded upward, if necessary, to the
nearest whole 1/8 of 1%) and determined pursuant to the following formula:

         LIBOR =             Base LIBOR
                 ----------------------------------
                   100% - LIBOR Reserve Percentage

     (i) "Base LIBOR" means the rate per annum for United States dollar deposits
quoted by Bank as the Inter-Bank Market Offered Rate, with the understanding
that such rate is quoted by Bank for the purpose of calculating effective rates
of interest for loans making reference thereto, on the first day of a Fixed Rate
Term for delivery of funds on said date for a period of time approximately equal
to the number of days in such Fixed Rate Term and in an amount approximately
equal to the principal amount to which such Fixed Rate Term applies. Borrower
understands and agrees that Bank may base its quotation of the Inter-Bank Market
Offered Rate upon such offers or other market indicators of the Inter-Bank
Market as Bank in its discretion deems appropriate including, but not limited
to, the rate offered for U.S. dollar deposits on the London Inter-Bank Market.

     (ii) "LIBOR Reserve Percentage" means the reserve percentage prescribed by
the Board of Governors of the Federal Reserve System (or any successor) for
"Eurocurrency Liabilities" (as defined in Regulation D of the Federal Reserve
Board, as amended), adjusted by Bank for expected changes in such reserve
percentage during the applicable Fixed Rate Term.

     (f) "Prime Rate" means at any time the rate of interest most recently
announced within Bank at its principal office as its Prime Rate, with the
understanding that the Prime Rate is one of Bank's base rates and serves as the
basis upon which effective rates of interest are calculated for those loans
making reference thereto, and is evidenced by the recording thereof after its
announcement in such internal publication or publications as Bank may designate.

II.  INTEREST:

     (a) Interest. The outstanding principal balance of Dollar-denominated
Advances shall bear interest (computed on the basis of a 360-day year, actual
days elapsed) either (i) at a fluctuating rate per annum one half of one percent
(.50%) below the Prime Rate in effect from time to time, or (ii) at a fixed rate
per annum determined by Bank to be two percent (2.00%) above LIBOR in effect on
the first day of the applicable Fixed Rate Term. The outstanding principal
balance of Euro-denominated Advances shall bear interest (computed on the basis
of a 360-day year, actual days elapsed) at a fixed rate per annum determined by
Bank to be two percent (2.00%) above Adjusted Euribor Rate in effect on the
applicable Interest Rate Determination Date. When interest is determined in
relation to the Prime Rate, each change in the rate of interest hereunder shall
become effective on the date each Prime Rate change is announced within Bank.
With respect to each Fixed Rate Term selection hereunder, Bank is hereby
authorized to note the date, principal amount, interest rate and Fixed Rate Term
applicable thereto and any payments made thereon on Bank's books and records
(either manually or by electronic entry) and/or on any schedule attached to this
Note, which notations shall be prima facie evidence of the accuracy of the
information noted.

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<PAGE>

     (b) Payment of Interest. Interest accrued on Dollar-denominated Advances
shall be payable in Dollars on the last day of each month, commencing September
30, 2005. Interest accrued on Euro-denominated Advances shall be payable in Euro
on the last day of each applicable Fixed Rate Term, provided that in the case of
each such Fixed Rate Term exceeding one month, interest shall be payable in EURO
on the first Business Day of each calendar month after the commencement of such
Fixed Rate Term.

     (c) Selection of Interest Rate Options - Dollar-denominated Advances. At
any time any portion of this Note bears interest determined in relation to
LIBOR, it may be continued by Borrower at the end of the Fixed Rate Term
applicable thereto so that all or a portion thereof bears interest determined in
relation to the Prime Rate or to LIBOR for a new Fixed Rate Term designated by
Borrower. At any time any portion of this Note bears interest determined in
relation to the Prime Rate, Borrower may convert all or a portion thereof so
that it bears interest determined in relation to LIBOR for a Fixed Rate Term
designated by Borrower. At such time as Borrower requests an advance hereunder
or wishes to select a LIBOR option for all or a portion of the outstanding
principal balance hereof, and at the end of each Fixed Rate Term, Borrower shall
give Bank notice specifying: (i) the interest rate option selected by Borrower;
(ii) the principal amount subject thereto; and (iii) for each LIBOR selection,
the length of the applicable Fixed Rate Term. Any such notice may be given by
telephone (or such other electronic method as Bank may permit) so long as, with
respect to each LIBOR selection, (A) if requested by Bank, Borrower provides to
Bank written confirmation thereof not later than three (3) Business Days after
such notice is given, and (B) such notice is given to Bank prior to 10:00 a.m.
(San Francisco time) on the first day of the Fixed Rate Term, or at a later time
during any Business Day if Bank, at it's sole option but without obligation to
do so, accepts Borrower's notice and quotes a fixed rate to Borrower. If
Borrower does not immediately accept a fixed rate when quoted by Bank, the
quoted rate shall expire and any subsequent LIBOR request from Borrower shall be
subject to a redetermination by Bank of the applicable fixed rate. If no
specific designation of interest is made at the time any advance is requested
hereunder or at the end of any Fixed Rate Term, Borrower shall be deemed to have
made a Prime Rate interest selection for such advance or the principal amount to
which such Fixed Rate Term applied.

     (d) Continuation - Euro-denominated Advances.

     (i) Subject to the provisions of Section 3(f)(vi), Borrower shall have the
option upon the expiration of any Fixed Rate Term applicable to a
Euro-denominated Advance, to continue all or any portion of such advance as a
Euro-denominated Advance.

     (ii) Borrower shall deliver a Credit Notice to Bank no later than 9:00 A.M.
(San Francisco time) at least four Business Days in advance of the proposed
continuation date in the case of a continuation of a Euro-denominated Advance.

     (iii) A Credit Notice for continuation of a Euro-denominated Advance shall
be irrevocable, and Borrower shall be bound to effect a continuation in
accordance therewith.

     (e) Taxes and Regulatory Costs. Borrower shall pay to Bank immediately upon
demand, in addition to any other amounts due or to become due hereunder, any and
all (i) withholdings, interest equalization taxes, stamp taxes or other taxes
(except income and franchise taxes) imposed by any domestic or foreign
governmental authority and related in any manner to LIBOR or the Adjusted
Euribor Rate, and (ii) future, supplemental, emergency or other changes in the
LIBOR Reserve Percentage, assessment rates imposed by the Federal Deposit
Insurance Corporation, or similar requirements or costs imposed by any domestic
or

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foreign governmental authority or resulting from compliance by Bank with any
request or directive (whether or not having the force of law) from any central
bank or other governmental authority and related in any manner to LIBOR or the
Adjusted Euribor Rate to the extent they are not included in the calculation of
LIBOR or the Adjusted Euribor Rate. In determining which of the foregoing are
attributable to any LIBOR or Adjusted Euribor Rate option available to Borrower
hereunder, any reasonable allocation made by Bank among its operations shall be
conclusive and binding upon Borrower.

     (f) Special Provisions Governing Euro-denominated Advances. Notwithstanding
any other provision of this Note to the contrary, the following provisions shall
govern with respect to Euro-denominated Advances as to the matters covered:

          (i) In the event that Bank shall have determined (which determination
     shall be final and conclusive and binding upon all parties hereto), on any
     Interest Rate Determination, that by reason of circumstances affecting the
     London interbank market adequate and fair means do not exist for
     ascertaining the interest rate applicable to such advances on the basis
     provided for in the definition of Adjusted Euribor Rate, Bank shall on such
     date give notice (by telefacsimile or by telephone confirmed in writing) to
     Borrower of such determination, whereupon (A) no Euro-denominated Advances
     may be made as, or continued as, Euro-denominated Advances until such time
     as Bank notifies Borrower that the circumstances giving rise to such notice
     no longer exist and (B) any Credit Notice given by Borrower with respect to
     the Euro-denominated Advances in respect of which such determination was
     made shall be deemed to be rescinded by Borrower.

          (ii) In the event that on any date Bank shall have determined (which
     determination shall be final and conclusive and binding upon all parties
     hereto) that the making, maintaining or continuation of its
     Euro-denominated Advances (A) has become unlawful as a result of compliance
     by Bank in good faith with any law, treaty, governmental rule, regulation,
     guideline or order (or would conflict with any such treaty, governmental
     rule, regulation, guideline or order not having the force of law even
     though the failure to comply therewith would not be unlawful) or (B) has
     become impracticable, or would cause Bank material hardship, as a result of
     contingencies occurring after the date of this Note which materially and
     adversely affect the London interbank market or the position of Bank in
     that market, then, and in any such event, Bank shall on that day give
     notice (by telefacsimile or by telephone confirmed in writing) to Borrower
     of such determination. Thereafter the obligation of Bank to make
     Euro-denominated Advances shall be suspended until such notice shall be
     withdrawn by Bank, and Bank's obligation to maintain its outstanding
     Euro-denominated Advances shall be terminated at the earlier to occur of
     the expiration of the Fixed Rate Term then in effect with respect to the
     affected advances or when required by law.

          (iii) Borrower shall compensate Bank, upon written request by Bank
     (which request shall set forth the basis for requesting such amounts), for
     all reasonable losses, expenses and liabilities (including any interest
     paid by Bank to lenders of funds borrowed by it to make or carry its
     Euro-denominated Advances and any reasonable loss, expense or liability
     sustained by Bank in connection with the liquidation or re-employment of
     such funds) which Bank may sustain: (A) if for any reason a borrowing of
     any Euro-denominated Advance does not occur on a date specified therefor in
     a Credit Notice, or a continuation of any Euro-denominated Advance does not
     occur on a date specified therefor in a Credit Notice, (B) if any
     prepayment (including

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     any prepayment pursuant to Bank's exercise of remedies during an Event of
     Default) of any Euro-denominated Advance occurs on a date prior to the last
     day of a Fixed Rate Term applicable to such advance, or (C) as a
     consequence of any other default by Borrower in the repayment of
     Euro-denominated Advances when required by the terms of this Note. Such
     reasonable losses, expenses and liabilities shall also include (I) any loss
     or reasonable expense sustained or incurred in liquidating or employing
     deposits from third parties acquired to effect or maintain such advances,
     (II) an amount equal to the excess, if any of (x) the cost sustained by
     Bank of obtaining the funds for such Euro-denominated Advances being
     prepaid prior to the expiration of the applicable Fixed Rate Term for the
     period from the date of such prepayment or conversion to the last day of
     the applicable Fixed Rate Term, over (y) the amount of interest (as
     reasonably determined by Bank) that would be realized by Bank in
     re-employing the funds so prepaid for such Fixed Rate Term, (III) any loss
     incurred in liquidating or closing out any foreign currency contract
     undertaken by Bank in funding or maintaining such advances, and (IV) any
     loss arising from any change in the value of Dollars in relation to any
     such advance which was not paid on the date due between the date such
     payment was due and the date of payment, or which was not paid in Euro, all
     as determined by Bank in its good faith discretion.

          (iv) Bank may make, carry or transfer Euro-denominated Advances at,
     to, or for the account of any of its branch offices or the office of an
     affiliate of Bank.

          (v) Calculation of all amounts payable under this Section and under
     Section II(e) above shall be made as though Bank had actually funded each
     of the relevant Euro-denominated Advances through the purchase of Euro
     deposit bearing interest at the rate obtained pursuant to clause (i) of the
     definition of Adjusted Euribor Rate, in an amount equal to the amount of
     such Euro-denominated Advance and having a maturity comparable to the
     relevant Fixed Rate Term; provided, however, that Bank may fund each
     Euro-denominated Advance in any manner it sees fit and the foregoing
     assumptions shall be utilized only for the purposes of calculating amounts
     payable under this Section.

          (vi) After the occurrence of and during the continuance of an Event of
     Default, (A) Borrower may not elect to have a Euro-denominated Advance be
     made or maintained after the expiration of any Fixed Rate Term then in
     effect for that Euro-denominated Advance and (B) subject to the provisions
     of Section II(f)(iii), any Credit Notice given by Borrower with respect to
     a requested borrowing or continuation that has not yet occurred shall be
     deemed to be rescinded by Borrower.

     (g) Default Interest. From and after the maturity date of this Note, or
such earlier date as all principal owing hereunder becomes due and payable by
acceleration or otherwise, the outstanding principal balance of this Note shall
bear interest until paid in full at an increased rate per annum (computed on the
basis of a 360-day year, actual days elapsed) equal to four percent (4%) above
the rate of interest from time to time applicable to this Note.

III. BORROWING AND REPAYMENT:

     (a) Borrowing and Repayment. Borrower may from time to time during the term
of this Note borrow, partially or wholly repay its outstanding borrowings, and
reborrow, subject to all of the limitations, terms and conditions of this Note
and of any document executed in

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<PAGE>

connection with or governing this Note; provided however, that the total
outstanding borrowings under this Note shall not at any time exceed the
principal amount stated above. The unpaid principal balance of this obligation
at any time shall be the total amounts advanced hereunder by the holder hereof
less the amount of principal payments made hereon by or for any Borrower, which
balance may be endorsed hereon from time to time by the holder. The outstanding
principal balance of this Note shall be due and payable in full on June 30,
2007, provided, however, that Borrower shall repay to Bank in full, in Euro, the
principal amount of each Euro-denominated Advance on the last day of each Fixed
Rate Term for such advance, unless such advance is continued in accordance with
the terms of this Note.

     (b) Advances. Dollar-denominated Advances hereunder, to the total amount of
the principal sum available, may be made by the holder at the oral or written
request of (i) Richard A. Santa, Donald Rittenhouse or Michael Preston, any one
acting alone, who are authorized to request advances and direct the disposition
of any advances until written notice of the revocation of such authority is
received by the holder at the office designated above, or (ii) any person, with
respect to advances deposited to the credit of any deposit account of any
Borrower, which advances, when so deposited, shall be conclusively presumed to
have been made to or for the benefit of each Borrower regardless of the fact
that persons other than those authorized to request advances may have authority
to draw against such account. The holder shall have no obligation to determine
whether any person requesting an advance is or has been authorized by any
Borrower. Euro-denominated Advances hereunder shall be available through the
delivery of a Credit Notice as described in the Credit Agreement, and Bank shall
deposit proceeds of such advances into the following account: [Nobelclad Europe
S.A., Account Number 00010129148, BNP Paribas, Swift ID: BNPAFRPPPG].

     (c) Application of Payments. Each payment made on this Note shall be
credited first, to any interest then due and second, to the outstanding
principal balance hereof. As to Dollar-denominated Advances, payments credited
to principal shall be applied first, to the outstanding principal balance
thereof which bears interest determined in relation to the Prime Rate, if any;
and second, to the outstanding principal balance thereof which bears interest
determined in relation to LIBOR, with such payments applied to the oldest Fixed
Rate Term first.

IV.  PREPAYMENT:

     (a) Prime Rate. Borrower may prepay principal on any portion of this Note
which bears interest determined in relation to the Prime Rate at any time, in
any amount and without penalty.

     (b) LIBOR. Borrower may prepay principal on any portion of this Note which
bears interest determined in relation to LIBOR at any time and in the minimum
amount of One Hundred Thousand Dollars ($100,000.00); provided however, that if
the outstanding principal balance of such portion of this Note is less than said
amount, the minimum prepayment amount shall be the entire outstanding principal
balance thereof. In consideration of Bank providing this prepayment option to
Borrower, or if any such portion of this Note shall become due and payable at
any time prior to the last day of the Fixed Rate Term applicable thereto by
acceleration or otherwise, Borrower shall pay to Bank immediately upon demand a
fee which is the sum of the discounted monthly differences for each month from
the month of prepayment through the month in which such Fixed Rate Term matures,
calculated as follows for each such month:

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            (i)     Determine the amount of interest which would have accrued
                    each month on the amount prepaid at the interest rate
                    applicable to such amount had it remained outstanding until
                    the last day of the Fixed Rate Term applicable thereto.

           (ii)     Subtract from the amount determined in (i) above the amount
                    of interest which would have accrued for the same month on
                    the amount prepaid for the remaining term of such Fixed Rate
                    Term at LIBOR in effect on the date of prepayment for new
                    loans made for such term and in a principal amount equal to
                    the amount prepaid.

          (iii)     If the result obtained in (ii) for any month is greater than
                    zero, discount that difference by LIBOR used in (ii) above.

Borrower acknowledges that prepayment of such amount may result in Bank
incurring additional costs, expenses and/or liabilities, and that it is
difficult to ascertain the full extent of such costs, expenses and/or
liabilities. Borrower, therefore, agrees to pay the above-described prepayment
fee and agrees that said amount represents a reasonable estimate of the
prepayment costs, expenses and/or liabilities of Bank. If Borrower fails to pay
any prepayment fee when due, the amount of such prepayment fee shall thereafter
bear interest until paid at a rate per annum two percent (2.00%) above the Prime
Rate in effect from time to time (computed on the basis of a 360-day year,
actual days elapsed). Each change in the rate of interest on any such past due
prepayment fee shall become effective on the date each Prime Rate change is
announced within Bank.

V.   EVENTS OF DEFAULT:

     This Note is made pursuant to and is subject to the terms and conditions of
that certain Credit Agreement between Borrower and Bank dated as of September
15, 2005, as amended from time to time (the "Credit Agreement"). Any default in
the payment or performance of any obligation under this Note, or any defined
event of default under the Credit Agreement, shall constitute an "Event of
Default" under this Note.

VI.  MISCELLANEOUS:

     (a) Remedies. Upon the occurrence of any Event of Default, the holder of
this Note, at the holder's option, may declare all sums of principal and
interest outstanding hereunder to be immediately due and payable without
presentment, demand, notice of nonperformance, notice of protest, protest or
notice of dishonor, all of which are expressly waived by each Borrower, and the
obligation, if any, of the holder to extend any further credit hereunder shall
immediately cease and terminate. Each Borrower shall pay to the holder
immediately upon demand the full amount of all payments, advances, charges,
costs and expenses, including reasonable attorneys' fees (to include outside
counsel fees and all allocated costs of the holder's in-house counsel), expended
or incurred by the holder in connection with the enforcement of the holder's
rights and/or the collection of any amounts which become due to the holder under
this Note, and the prosecution or defense of any action in any way related to
this Note, including without limitation, any action for declaratory relief,
whether incurred at the trial or appellate level, in an arbitration proceeding
or otherwise, and including any of the foregoing incurred in connection with any
bankruptcy proceeding (including without limitation, any adversary proceeding,
contested matter or motion brought by Bank or any other person) relating to any
Borrower or any other person or entity.

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     (b) Governing Law. This Note shall be governed by and construed in
accordance with the laws of the State of Colorado.

     IN WITNESS WHEREOF, the undersigned has executed this Note as of the date
first written above.

DYNAMIC MATERIALS CORPORATION

By:   /s/ Richard A. Santa
     --------------------------------------
     Richard A. Santa, Vice President & CFO

                                       8____________, 2005

Pharmamatrix Acquisition Corporation
934 S. Southlake Drive
Hollywood, Florida 33019

Jesup & Lamont Securities Corporation
650 Fifth Avenue
New York, New York 10019

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

                   Re:   INITIAL PUBLIC OFFERING
                  ------------------------------------

Gentlemen:

         The  undersigned  stockholder,  officer and/or director of Pharmamatrix
Acquisition  Corporation  ("Company"),   in  consideration  of  Jesup  &  Lamont
Securities  Corporation  ("Jesup  &  Lamont")  entering  into a letter of intent
("Letter of Intent") to underwrite an initial public  offering of the securities
of the Company  ("IPO")  and  embarking  on the IPO  process,  hereby  agrees as
follows  (certain  capitalized  terms used  herein are defined in  paragraph  11
hereof):

         1. If the Company  solicits  approval of its stockholders of a Business
Combination,  the undersigned  will vote all Insider Shares and IPO Shares owned
by him in  accordance  with the majority of the votes cast by the holders of the
IPO Shares.

         2. In the  event  that the  Company  fails  to  consummate  a  Business
Combination  within 18 months from the effective date ("Effective  Date") of the
registration statement relating to the IPO (or 24 months under the circumstances
described in the prospectus  relating to the IPO), the undersigned will take all
reasonable actions within his power to cause the Company to liquidate as soon as
reasonably practicable.  The undersigned hereby waives any and all right, title,
interest  or claim of any kind in or to any  distribution  of the Trust Fund (as
defined in the Letter of Intent) as a result of such liquidation with respect to
his Insider  Shares  ("Claim") and hereby waives any Claim the  undersigned  may
have in the  future  as a  result  of,  or  arising  out of,  any  contracts  or
agreements  with the Company and will not seek  recourse  against the Trust Fund
for any reason whatsoever. The undersigned agrees to indemnify and hold harmless
the Company  against  any and all loss,  liability,  claims,  damage and expense
whatsoever  (including,  but not limited to, any and all legal or other expenses
reasonably  incurred  in  investigating,  preparing  or  defending  against  any
litigation,  whether pending or threatened,  or any claim  whatsoever) which the
Company  may become  subject as a result of any claim by any vendor that is owed
money by the Company  for  services  rendered  or products  sold but only to the
extent necessary to ensure that such loss,  liability,  claim, damage or expense
does not  reduce  the  amount in the Trust  Fund (as  defined  in the  Letter of
Intent).

<PAGE>

Pharmamatrix Acquisition Corporation
Jesup & Lamont Securities Corporation
_________, 2005
Page 2

         3. In order to minimize potential conflicts of interest which may arise
from multiple affiliations, the undersigned agrees to present to the Company for
its  consideration,  prior to  presentation  to any other person or entity,  any
suitable opportunity to acquire an operating business,  until the earlier of the
consummation  by the Company of a Business  Combination,  the liquidation of the
Company  or until  such  time as the  undersigned  ceases  to be an  officer  or
director of the Company,  subject to any pre-existing  fiduciary obligations the
undersigned might have.

         4. The  undersigned  acknowledges  and agrees that the Company will not
consummate any Business Combination which involves a company which is affiliated
with  any of the  Insiders  unless  the  Company  obtains  an  opinion  from  an
independent investment banking firm reasonably acceptable to Jesup & Lamont that
the business combination is fair to the Company's  stockholders from a financial
perspective.

         5.  Neither  the   undersigned,   any  member  of  the  family  of  the
undersigned,  nor any Affiliate of the  undersigned  will be entitled to receive
and will not accept any compensation for services  rendered to the Company prior
to the consummation of the Business Combination; provided that commencing on the
Effective Date, Pharmamatrix, Inc. ("Related Party"), shall be allowed to charge
the Company an allocable share of Related Party's overhead, $7,500 per month, to
compensate it for certain  administrative,  technology and secretarial services,
as well as the use of certain limited office space in Hollywood, Florida that it
will provide to the Company.  Related  Party and the  undersigned  shall also be
entitled to  reimbursement  from the Company  for their  out-of-pocket  expenses
incurred in connection with seeking and consummating a Business Combination.

         6.  Neither  the   undersigned,   any  member  of  the  family  of  the
undersigned,  or any Affiliate of the undersigned will be entitled to receive or
accept a finder's fee or any other  compensation  in the event the  undersigned,
any member of the family of the  undersigned or any Affiliate of the undersigned
originates a Business Combination.

         7. The  undersigned  will  escrow  his  Insider  Shares  for the period
commencing on the Effective Date and ending one year from the  consummation of a
business combination, subject to the terms of a Stock Escrow Agreement which the
Company will enter into with the undersigned  and an escrow agent  acceptable to
the Company.

         8. The undersigned agrees to be ________________________ of the Company
until the earlier of the  consummation by the Company of a Business  Combination
or the liquidation of the Company.  The undersigned's  biographical  information
furnished to the Company and Jesup & Lamont and attached  hereto as Exhibit A is
true and accurate in all respects,  does not omit any material  information with
respect to the  undersigned's  background  and contains  all of the  information
required to be disclosed pursuant to Section 401 of Regulation S-K,  promulgated
under the Securities Act of 1933. The undersigned's  Questionnaire  furnished to
the  Company  and Jesup & Lamont  and  annexed  as  Exhibit B hereto is true and
accurate in all respects. The undersigned represents and warrants that:

                                       2
<PAGE>

Pharmamatrix Acquisition Corporation
Jesup & Lamont Securities Corporation
_________, 2005
Page 3

         (a) he is not subject to or a  respondent  in any legal action for, any
injunction,  cease-and-desist order or order or stipulation to desist or refrain
from  any  act  or  practice  relating  to the  offering  of  securities  in any
jurisdiction;

         (b) he has never been  convicted of or pleaded  guilty to any crime (i)
involving any fraud or (ii) relating to any financial transaction or handling of
funds of another person,  or (iii)  pertaining to any dealings in any securities
and he is not currently a defendant in any such criminal proceeding; and

         (c) he has never been  suspended  or expelled  from  membership  in any
securities  or  commodities  exchange  or  association  or had a  securities  or
commodities license or registration denied, suspended or revoked.

         9. The  undersigned  has full right and power,  without  violating  any
agreement by which he is bound, to enter into this letter agreement and to serve
as  ____________ of the Company.

         10. The undersigned authorizes any employer,  financial institution, or
consumer  credit  reporting  agency to  release  to Jesup & Lamont and its legal
representatives  or agents (including any investigative  search firm retained by
Jesup & Lamont) any information they may have about the undersigned's background
and finances ("Information"),  purely for the purposes of the Company's IPO (and
shall thereafter hold such information confidential). Neither Jesup & Lamont nor
its agents shall be violating the  undersigned's  right of privacy in any manner
in requesting and obtaining the Information and the undersigned  hereby releases
them from liability for any damage whatsoever in that connection.

         11.  As  used  herein,  (i) a  "Business  Combination"  shall  mean  an
acquisition  by merger,  capital  stock  exchange,  asset or stock  acquisition,
reorganization or otherwise,  of an operating  business selected by the Company;
(ii)  "Insiders"  shall mean all  officers,  directors and  stockholders  of the
Company  immediately  prior to the IPO; (iii) "Insider Shares" shall mean all of
the shares of Common Stock of the Company  owned by an Insider prior to the IPO;
and (iv) "IPO  Shares"  shall  mean the  shares of  Common  Stock  issued in the
Company's IPO.

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

                                       3
<PAGE>

Pharmamatrix Acquisition Corporation
Jesup & Lamont Securities Corporation
_________, 2005
Page 4

                                    EXHIBIT A

                      [Insider's biographical information]

                                       4
<PAGE>

Pharmamatrix Acquisition Corporation
Jesup & Lamont Securities Corporation
_________, 2005
Page 5

                                    EXHIBIT B

                            [Insider's questionnaire]

                                       5

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