Document:

<PAGE>

                                                                  EXHIBIT 10.9.2

                              SECURITY AGREEMENT

     This Security Agreement (the "Agreement") is made as of March 26, 1999
between Natus Medical Incorporated, a California corporation ("Pledgee"), and
Tim Johnson ("Pledgor").

                                   Recitals
                                   --------

     Pledgor has obtained a $250,000 line of credit from Scott Valley Bank (the
"Bank") evidenced by a promissory note dated March 26, 1999 from the Pledgor to
the Bank (the "Note"). The Note requires that Pledgee pledge and deliver to bank
collateral sufficient to fully secure the Note under an agreement dated March
26, 1999 (the "Guarantee") in the form of a certificate of deposit of $250,000.
Pursuant to Pledgor's election to exercise options to purchase shares of Common
Stock of Pledgee, Pledgor has purchased 277,778 shares of Pledgee's Common Stock
(the "Shares"). The Note and the Guarantee, as well as each of the Pledgor and
Pledgee's obligations thereunder are as set forth in Exhibits 1A and 1B to this
Agreement. The Pledgee desires to retain the services of the Pledgor and Pledgor
desires to continue to provide such services.

     NOW, THEREFORE, it is agreed as follows:

     1.   Creation and Description of Security Interest. In consideration of the
          ---------------------------------------------
execution of the Guarantee to the Note, Pledgor, pursuant to the Commercial Code
of the State of California, the terms and conditions of this Agreement and the
Joint Escrow Instructions attached hereto as Exhibit 2 (the "Instructions"),
hereby pledges all of such Shares (herein sometimes referred to as the
"Collateral") represented by certificate numbers listed on Exhibit 4, duly
endorsed in blank or with executed stock powers attached hereto as Exhibit 3,
and herewith delivers said certificates to the Assistant Secretary of Pledgee
("Pledgeholder"), who shall hold said certificates subject to the Instructions.

     The pledged stock (together with an executed blank stock assignment for use
in transferring all or a portion of the Shares to Pledgee if, as and when
required pursuant to this Agreement) shall be held by the Pledgeholder as
security for the repayment of the Note, and any extensions or renewals thereof,
to be executed by Pledgor pursuant to the terms of the Agreement, and the
Pledgeholder shall not encumber or dispose of such Shares except in accordance
with the provisions of this Agreement. The Pledgor and Pledgee agree that the
sole obligation of Pledgor in the event the bank seizes the collateral pledged
by Pledgee shall be the Shares, that the Pledgee shall have no recourse against
the Pledgor other than the Shares and that after such a seizure of the
collateral, the Shares shall be retained in full satisfaction of Pledgor's
obligation to Pledgee.

     2.   Pledgor's Representations and Covenants. To induce Pledgee to enter
          ---------------------------------------
into this Agreement, Pledgor represents and covenants to Pledgee, its successors
and assigns, as follows:

          (a)  Payment Of Indebtedness. Pledgor will pay the principal sum of
               -----------------------
the Note, together with interest thereon, at the time and in the manner provided
in the Note.

          (b)  Encumbrances. The Shares are free of all other encumbrances,
               ------------
defenses and liens, and Pledgor will not further encumber the Shares without the
prior written consent of Pledgee.
<PAGE>

          (c)  Margin Regulations. In the event that Pledgee's Common Stock is
               ------------------
now or later becomes margin-listed by the Board of Governors of the Federal
Reserve System and Pledgee is classified as a "lender" within the meaning of the
regulations under Part 207 of Title 12 of the Code of Federal Regulations
("Regulation G"), Pledgor agrees to cooperate with Pledgee in making any
amendments to the Note, the Guarantee or other related documentation or
providing any additional collateral as may be necessary to comply with such
regulations.

     3.   Voting Rights. During the term of this pledge and so long as all
          -------------
payments of principal and interest are made as they become due under the terms
of the Note, Pledgor shall have the right to vote all of the Shares pledged
hereunder.

     4.   Stock Adjustments. In the event that during the term of the pledge any
          -----------------
stock dividend, reclassification, readjustment or other changes are declared or
made in the capital structure of Pledgee, all new, substituted and additional
shares or other securities issued by reason of any such change shall be
delivered to and held by the Pledgeholder under the terms of this Security
Agreement in the same manner as the Shares originally pledged hereunder. In the
event of substitution of such securities. Pledgor, Pledgee and Pledgeholder
shall cooperate and execute such documents as are reasonable so as to provide
for the substitution of such Collateral and, upon such substitution, references
to "Shares" in this Security Agreement shall include the substituted shares of
capital stock of Pledgor as a result thereof.

     5.   Options and Rights. In the event that, during the term of this pledge,
          ------------------
subscription options or other rights or options shall be issued in connection
with the pledged Shares, such rights, or options shall be the property of
Pledgor and, if exercised by Pledgor, all new stock or other securities so
acquired by Pledgor as it relates to the pledged Shares then held by
Pledgeholder shall be immediately delivered to Pledgeholder, to be held under
the terms of this Agreement in the same manner as the Shares pledged.

     6.   Termination of Employment. In the event that the Pledgor shall cease
          -------------------------
to be an employee or consultant for the Pledgeholder for any reason, then
Pledgor shall, at the option of the Pledgeholder, repay the whole unpaid balance
of principal and accrued interest on the Note to the Bank or shall otherwise
arrange for complete release of Pledgeholder's guarantee and collateral with
bank no later than 18 months after termination of the Pledgor's employment or
consultancy with the Pledgeholder.

     7.   Default. Pledgor shall be deemed to be in default of this Agreement in
          -------
the event:

          (a)  Payment of principal or interest on the Note shall be delinquent
for a period of 10 days or more and the Bank has seized collateral pledged by
Pledgee under its Guarantee of the Note; or

          (b)  Pledgor fails to perform any of the covenants set forth in the
Note or contained in this Agreement for a period of 10 days after written notice
thereof from Pledgee, or
<PAGE>

          (c)  Pledgor, fails to retire the Note in accordance with section 6
above.

     8.   Release of Collateral. Subject to any applicable contrary rules under
          ---------------------
Regulation G, there shall be released from this pledge a portion of the pledged
Shares held by Pledgeholder hereunder upon payments of the principal of the
Note. The number of the pledged Shares which shall be released shall be that
number of full Shares which bears the same proportion to the initial number of
Shares pledged hereunder as the payment of principal bears to the initial full
principal amount of the Note. A portion of the Shares may be released for sale
to a third party upon the consent of the Pledgor, which consent shall not be
unreasonably withheld. Of the proceeds of such sale, at least one half must be
used to pay any principal or interest outstanding on the Note and the remainder
of such proceeds may be released to the Pledgor; provided, however, that if
after such sale and net of the proceeds applied to the Note, the fair market
value of the remaining Shares would be less than the then outstanding principal
and interest due on the Note, no portion of the proceeds shall be released to
the Pledgor.

     9.   Withdrawal or Substitution of Collateral. Pledgor shall not sell,
          ----------------------------------------
withdraw, pledge, substitute or otherwise dispose of all or any part of the
Collateral without the prior written consent of Pledgee.

     10.  Term. The within pledge of Shares shall continue until the payment of
          ----
all indebtedness secured by the Pledgee's Guarantee, at which time the remaining
pledged stock shall be promptly delivered to Pledgor, subject to the provisions
for prior release of a portion of the Collateral as provided in paragraph 7
above.

     11.  Insolvency. Pledgor agrees that if a bankruptcy or insolvency
          ----------
proceeding is instituted by or against him, if a receiver is appointed for the
property of Pledgor or if Pledgor makes an assignment for the benefit of
creditors, Pledgee may proceed as provided in the case of default.

     12.  Pledgeholder Liability. In the absence of willful or gross negligence,
          ----------------------
Pledgee shall not be liable to any party for any of his acts, or omissions to
act, as Pledgeholder pursuant to the Joint Escrow Instructions attached hereto
as Exhibit 2.

     13.  Invalidity of Particular Provisions. Pledgor and Pledgee agree that
          -----------------------------------
the enforceability or invalidity of any provision or provisions of this
Agreement shall not render any other provision or provisions herein contained
unenforceable or invalid.

     14.  Successors or Assigns. Pledgor and Pledgee agree that all of the terms
          ---------------------
of this Agreement shall be binding on their respective successors and assigns,
and that the term "Pledgor" and the term "Pledgee" as used herein shall be
deemed to include, for all purposes, the respective designees, successors,
assigns, heirs, executors and administrators.

     15.  Governing Law. This Agreement shall be interpreted and governed under
          -------------
the internal substantive laws, but not the choice of law rules, of California.
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

     "PLEDGOR"                        /s/ Tim C. Johnson
                                      -----------------------------------------
                                      Signature

                                      Tim C. Johnson
                                      --------------
                                      Print Name

                         Address:
                                      -----------------------------------------

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

     "PLEDGEE"                        NATUS MEDICAL INCORPORATED
                                      a California corporation

                                                /s/ [Illlegible]
                                      -----------------------------------------
                                      By:

                                                      CFO
                                      -----------------------------------------
                                      Title:
<PAGE>

                                   EXHIBIT 2
                                   ---------

                           JOINT ESCROW INSTRUCTIONS
                           -------------------------

                                                                 March 26, 1999

Assistant Secretary
1501 Industrial Road
San Carlos, California 94070

Dear Sir:

     As Escrow Agent for both Natus Medical Incorporated, a California
corporation (the "Company"), and the undersigned pledgor of stock of the Company
(the "Pledgor"), you are hereby authorized and directed to hold the documents
delivered to you pursuant to the terms of that certain Security Agreement (the
"Agreement") between the Company and the undersigned, to which a copy of these
Joint Escrow Instructions is attached as Exhibit 2, in accordance with the
following instructions:

     1.   In the event the Company and/or any assignee of the Company (referred
to collectively for convenience herein as the "Company") defaults on all or a
portion of the promissory note attached to the Agreement as Exhibit 1A (the
"Note") and the Bank, as the holder of the Note, has seized certain collateral
pledged by the Company under an agreement with the holder of the Note ("the
"Guarantee"), attached as Exhibit 1B, the Company shall give to Pledgor and you
a written notice specifying the number of shares of stock to retained by the
Company in satisfaction of Pledgor's obligation to the Company. Pledgor and the
Company hereby irrevocably authorize and direct you to close the transaction
contemplated by such notice in accordance with the terms of the notice.

     2.   At the closing, you are directed (a) to date the stock assignments
necessary for the transfer in question, (b) to fill in the number of shares
being transferred, and (c) to deliver the same, together with the certificate
evidencing the shares of stock to be transferred, to the Company or its
assignee, in accordance with the Agreement, against the simultaneous delivery to
you of the canceled Note and release of security obligation as to the
transferred shares.

     3.   Pledgor irrevocably authorizes the Company to deposit with you any
certificates evidencing shares of stock to be held by you hereunder and any
additions and substitutions to the shares as defined in the Agreement. Pledgor
does hereby irrevocably constitute and appoint you as his attorney-in-fact and
agent for the term of this escrow to execute with respect to such securities all
documents necessary or appropriate to make such securities negotiable and to
complete any transaction herein contemplated. Subject to the provisions of this
paragraph 3, Pledgor shall exercise all rights and privileges of a stockholder
of the Company while the stock is held by you.
<PAGE>

     4.   Upon written request of Pledgor, but no more than once each year,
unless the Note is in default, you will deliver to Pledgor a certificate or
certificates representing so many shares of stock the fair market value of which
is greater than the principal and interest due upon the Note as of the date
thereof. Within eighteen months after cessation of Pledgor's Continuous Status
as an Employee by the Company, you will deliver to Pledgor a certificate or
certificates representing the aggregate number of Shares subject to the
Agreement and not required as collateral for the Note due to the satisfaction of
the Note in full by the Pledgor with cash.

          Notwithstanding the foregoing, none of the certificates representing
the Shares deposited under these escrow instructions shall be released to the
Pledgor if the principal and interest due under Pledgor's Note given in payment
for such shares exceeds the fair market value of the Shares subject to the
Agreement. So long as the Note is outstanding, the shares shall be held by you
as collateral for the obligation under the Note. Upon the request of the Pledgor
and the written consent of the Pledgee, you may sell some or all of the Shares
and provide no less than one half of the proceeds to the Bank as payment for the
Note and the balance to the Pledgor; provided, however, that if after such sale
and net of the proceeds applied to the Note, the fair market value of the
remaining Shares would be less than the then outstanding principal and interest
due on the Note, no portion of the proceeds shall be released to the Pledgor.
Subject to the provisions of this paragraph 4, upon payment of the Note in full
the remaining certificates representing the shares may be released and delivered
to the Pledgor. In the event Pledgor defaults in payment of the Note when due,
you shall, upon written request of the Company, deliver the certificate
evidencing the shares and the stock assignments to the Company to enable the
Company to exercise its rights as a secured party under the Commercial Code of
the State of California.

     5.   Your duties hereunder may be altered, amended, modified or revoked
only by a writing signed by all of the parties hereto.

     6.   You shall be obligated only for the performance of such duties as are
specifically set forth herein and may rely and shall be protected in relying or
refraining from acting on any instrument reasonably believed by you to be
genuine and to have been signed or presented by the proper party or parties. You
shall not be personally liable for any act you may do or omit to do hereunder as
Escrow Agent or as attorney-in-fact for Pledgor while acting in good faith, and
any act done or omitted by you pursuant to the advice of your own attorneys
shall be conclusive evidence of such good faith.

     7.   You are hereby expressly authorized to disregard any and all warnings
given by any of the parties hereto or by any other person or corporation and are
hereby expressly authorized to comply with and obey orders, judgments or decrees
of any duly approved arbitrator or court of competent jurisdiction. In case you
obey or comply with any such order, judgment or decree, you shall not be liable
to any of the parties hereto or to any other person, firm or corporation by
reason of such compliance, notwithstanding any such order, judgment or decree
being subsequently reversed, modified, annulled, set aside, vacated or found to
have been entered without jurisdiction.

     8.   You shall not be liable in any respect on account of the identity,
authorities or rights of the parties executing or delivering or purporting to
execute or deliver the Agreement or any documents or papers deposited or called
for hereunder.
<PAGE>

     9.   You shall not be liable for the outlawing of any rights under any
applicable statute of limitations with respect to these Joint Escrow
Instructions or any documents deposited with you.

     10.  You shall be entitled to employ such legal counsel and other experts
as you may deem necessary properly to advise you in connection with your
obligations hereunder, may rely upon the advice of such counsel, and may pay
such counsel reasonable compensation therefor.

     11.  Your responsibilities as Escrow Agent hereunder shall terminate if you
shall cease to be the counsel to the Company or its Assistant Secretary or if
you shall resign by written notice to each party. In the event of any such
termination, the Company shall appoint a successor Escrow Agent.

     12.  If you reasonably require other or further instruments in connection
with these Joint Escrow Instructions or obligations in respect hereto, the
necessary parties hereto shall join in furnishing such instruments.

     13.  It is understood and agreed that should any dispute arise with respect
to the delivery and/or ownership or right of possession of the securities held
by you hereunder, you are authorized and directed to retain in your possession
without liability to anyone all or any part of said securities until such
disputes shall have been settled either by mutual written agreement of the
parties concerned or by a final order, decree or judgment of a duly appointed
arbitrator or court of competent jurisdiction after the time for appeal has
expired and no appeal has been perfected, but you shall be under no duty
whatsoever to institute or defend any such proceedings.

     14.  At the option of either the Company or Pledgor, any and all disputes
or controversies arising from or respecting this agreement shall be decided by
binding arbitration under the rules of the American Arbitration Association. The
arbitrator shall consist of one arbitrator. Arbitration shall take place in
Santa Mateo County, California or any other location mutually agreeable to the
parties. At the request of either party, arbitration proceedings will be
conducted in the utmost secrecy. The arbitrator shall be able to decree any and
all relief of an equitable nature and to award damages, with or without an
accounting and costs. The decree of judgment of an award rendered by the
arbitrator may be entered in any court of competent jurisdiction.

     15.  Any notice required or permitted hereunder shall be given in writing
and shall be deemed effectively given when delivered, if given by personal
delivery: three (3) business days after the business day of deposit in the
United States Post Office, by registered or certified mail with postage and fees
prepaid; one (1) business day after the business day of facsimile transmission,
if a confirmation copy is sent via first class mail, postage prepaid; or one (1)
business day after the business day of deposit with Federal Express or similar
overnight carrier, freight prepaid; in any such case addressed to each of the
other parties thereunto entitled at the addresses indicated in the Company's
records, or at such other addresses as a party may designate by ten days'
advance written notice to each of the other parties hereto.
<PAGE>

     16.  By signing these Joint Escrow Instructions, you become a party hereto
only for the purpose of said Joint Escrow Instructions; you do not become a
party to the Agreement.

     17.  This instrument shall be binding upon and inure to the benefit of the
parties hereto, and their respective successors and permitted assigns.

                                      Very truly yours,

                                      COMPANY:

                                      NATUS MEDICAL INCORPORATED
                                      a California corporation

                                      By:  /s/ William Lawrenson
                                         -------------------------

                                      Title:      CFO

                                      PLEDGOR:

                                      /s/ Tim C. Johnson
                                      ----------------------------
                                      Tim C. Johnson

ESCROW AGENT:

__________________________
Assistant Secretary
Natus Medical Incorporated<PAGE>

                                                                   EXHIBIT 10.10

                                   For Purchases and Leases Direct From Supplier
                                              Subject to Competitive Bid Process

                     CAPITAL EQUIPMENT SUPPLIER AGREEMENT

                                    between

                                 NOVATION, LLC

                                      and

                              NATUS MEDICAL INC.

Confidential treatment has been requested for portions of this exhibit. The
copy filed herewith omits the information subject to the confidentiality
request. Omissions are designated as *****. A complete version of this exhibit
has been filed separately with the Securities and Exchange Commission.
<PAGE>

                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>

1.   Introduction.........................................................    1
     a.   Purchasing and Leasing Opportunities for Members................    1
     b.   Supplier........................................................    1
     c.   Bid.............................................................    1

2.   Contract Award.......................................................    1
     a.   Letter of Award ................................................    1
     b.   Optional Purchasing or Leasing Arrangements.....................    2
     c.   [***] Terms.....................................................    2
     d.   Changes in Award Prices.........................................    2
     e.   Notification of Changes in Pricing Terms........................    2
     f.   Underutilized Businesses........................................    2

3.   Term and Termination.................................................    3
     a.   Term............................................................    3
     b.   Termination by Novation.........................................    3
     c.   Termination by Supplier.........................................    3

4.   Product Supply.......................................................    3
     a.   Delivery and Invoicing..........................................    3
     b.   Supplies........................................................    4
     c.   Product Fill Rates; Confirmation and Delivery Times.............    4
     d.   Manuals/Schematics/Inspection Procedures........................    4
     e.   Bundled Terms...................................................    4
     f.   Discontinuation of Products; Changes in Packaging...............    4
     g.   Replacement or New Products.....................................    5
     h.   New Technology..................................................    5
     i.   Product Acceptance..............................................    5
     j.   Site Preparation................................................    6
     k.   Installation/Assembly...........................................    6
     l.   Installation/Environmental Issues...............................    6
     m.   Member Services.................................................    6
     n.   Training........................................................    6
     o.   Product Deletion................................................    7
     p.   Return of Products..............................................    7
     q.   Failure to Supply...............................................    7

5.   Product Quality......................................................    7
     a.   Free From Defects...............................................    7
     b.   Warranty Service................................................    8
     c.   Replacement Parts...............................................    8
     d.   Service Response Time...........................................    8
     e.   Uptime Guarantee................................................    8
</TABLE>

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                       -i-
<PAGE>

<TABLE>
 <S>                                                                        <C>
     f.   Preventive Maintenance..........................................    9
     g.   Upgrades........................................................    9
     h.   Customization Software..........................................    9
     i.   Operational Software............................................    9
     j.   Diagnostic Software.............................................   10
     k.   Data Conversion/Interfaces......................................   10
     l.   Service Contract Cancellation...................................   10
     m.   Product Compliance..............................................   10
     n.   Patent Infringement.............................................   11
     o.   Product Condition...............................................   11
     p.   Recall of Products..............................................   11
     q.   Shelf Life......................................................   11

6.   Century Compliance...................................................   11
     a.   Definitions.....................................................   11
     b.   Representations.................................................   12
     c.   Remedies........................................................   12
     d.   Noncompliance Notice............................................   12
     e.   Survival........................................................   13

7.   Reports and Other Information Requirements...........................   13
     a.   Report Content..................................................   13
     b.   Report Format and Delivery......................................   13
     c.   Other Information Requirements..................................   14

8.   Obligations of Novation..............................................   14
     a.   Information to Members..........................................   14
     b.   Marketing Services..............................................   14

9.   Marketing Fees.......................................................   14
     a.   Calculation.....................................................   14
     b.   Payment.........................................................   15

10.  [***]................................................................   15

11.  Nonpayment or Insolvency of a Member.................................   16

12.  Insurance............................................................   16
     a.   Policy Requirements.............................................   16
     b.   Self-Insurance..................................................   16
     c.   Amendments, Notices and Endorsements............................   17

13.  Compliance with Law and Government Program Participation.............   17
     a.   Compliance With Law.............................................   17
     b.   Government Program Participation................................   17

14.  Release and Indemnity................................................   17

15.  Books and Records; Facilities Inspections............................   18

16.  Use of Names Etc.....................................................   18
</TABLE>
__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                      ii
<PAGE>

<TABLE>
<S>                                                                          <C>
17.  Confidential Information.............................................   18
     a.   Nondisclosure...................................................   18
     b.   Definition......................................................   19

18.  Miscellaneous........................................................   19
     a.   Choice of Law...................................................   19
     b.   Not Responsible.................................................   19
     c.   Third Party Beneficiaries.......................................   19
     d.   Notices.........................................................   19
     e.   No Assignment...................................................   20
     f.   Severability....................................................   20
     g.   Entire Agreement................................................   20
</TABLE>

                                      -iii-
<PAGE>

                            INDEX  OF DEFINED TERMS
                            -----------------------

<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
          <S>                                                              <C>
          Agreed Percentage...............................................   15
          Award Letter....................................................    1
          Award Prices....................................................    1
          Bid.............................................................    1
          Calendar-Related................................................   12
          Century Noncompliance...........................................   12
          Clients.........................................................    1
          Confidential Information........................................   19
          Effective Date..................................................    3
          Equipment.......................................................    1
          FDA.............................................................   17
          Federal health care program.....................................   17
          Forms...........................................................    1
          Gregorian calendar..............................................   12
          Guidebook.......................................................   14
          Indemnitees.....................................................   17
          Legal Requirements..............................................   17
          Marketing Fees..................................................   14
          Members.........................................................    1
          Non-Price Specifications........................................    1
          Novation........................................................    1
          Novation Database...............................................    1
          Products........................................................    1
          Reporting Month.................................................   13
          Services........................................................    1
          Special Conditions..............................................    1
          Supplier...................................................title page
          Supplies........................................................    1
          Systems.........................................................   12
          Term............................................................    3
          timely..........................................................   13
          Warranty Period.................................................    7
</TABLE>

                                     -iv-
<PAGE>

                                 NOVATION, LLC

                     CAPITAL EQUIPMENT SUPPLIER AGREEMENT

1. Introduction.

     a. Purchasing and Leasing Opportunities for Members. Novation, LLC
        ------------------------------------------------
("Novation") is engaged in providing purchasing and leasing opportunities with
respect to high quality products and services to participating health care
providers ("Members"). Members are entitled to participate in Novation's
programs through their membership or other participatory status in any of the
following client organizations: VHA Inc., University HealthSystem Consortium,
and HealthCare Purchasing Partners International, LLC (collectively, "Clients").
Novation is acting as the exclusive agent for each of the Clients and certain of
each Client's subsidiaries and affiliates, respectively (and not collectively),
with respect to this Agreement. A current listing of Members is maintained by
Novation in the electronic database described in the Guidebook referred to in
Subsection 7.c below ("Novation Database"). A provider will become a "Member"
for purposes of this Agreement at the time Novation adds the provider to the
Novation Database and will cease to be a "Member" for such purposes at the time
Novation deletes the provider from the Novation Database.

     b. Supplier. Supplier is the manufacturer of the equipment ("Equipment"),
        --------
and/or parts and supplies (collectively, "Supplies"), and/or the provider of
services ("Services"), all as listed on Exhibit A. (The Equipment, Supplies
and/or Services are collectively referred to herein as "Products").

     c. Bid. Supplier has responded to Novation's Invitation to Bid by
        ---
submitting its written offer ("Bid") to Novation consisting of this Agreement,
the listing of Products and the pricing, financing and/or lease terms therefor
(collectively, "Award Prices") attached hereto as Exhibit A, the other
specifications attached hereto as Exhibit B ("Non-Price Specifications"), the
Special Conditions attached hereto as Exhibit C ("Special Conditions"), and any
other materials required to be submitted in accordance with the Bid
Instructions.

2.      Contract Award.

     a. Letter of Award. By executing and delivering the Letter of Award
        ---------------
attached hereto as Exhibit D ("Award Letter") to Supplier, Novation will have
accepted the Bid, and Novation and Supplier therefore agree that Supplier will
make the Products available for purchase and/or lease by the Members at the
Award Prices in accordance with the terms of this Agreement and the forms of
purchase, lease, license, financing or servicing agreements, if any, attached
hereto as Exhibit E (collectively, "Forms"); provided, however, that Novation's
award of this Agreement to Supplier will not constitute a commitment by any
person to purchase or lease any of the Products. No obligations of Novation set
forth in this Agreement will be valid or enforceable against Novation unless and
until the Award Letter has been duly executed by Novation and attached as an
exhibit hereto. Supplier acknowledges that, in making its award to Supplier,
Novation has materially relied on all representations, warranties and agreements
made
<PAGE>

by Supplier as part of the Bid and that all such representations, warranties and
agreements will survive acceptance of the Bid.

     b. Optional Purchasing or Leasing Arrangements. Novation and Supplier agree
        -------------------------------------------
that each Member will have the option of purchasing or leasing the Products
under the terms of this Agreement and the Forms or under the terms of any other
purchasing, pricing, leasing, licensing or financing arrangement that may exist
between such Member and Supplier at any time during the Term; provided, however,
that, regardless of the arrangement. Supplier will comply with Sections 7 and 9
below. If any Member uses any other purchasing, pricing, leasing, licensing or
financing arrangement with Supplier when ordering products covered by any
contract between Supplier and Novation, Supplier will notify such Member of the
pricing and other significant terms of the applicable Novation contract.

     c. [***] Terms. Supplier agrees that the [***] and [***] of [***]
        -----------
purchased or leased under this Agreement [***] during the [***]. Supplier
agrees to [***] to Novation of [***] for the [***] or [***] of the Products
[***] during [***] on [***] to [***] the [***] of [***]. Supplier [***] the
[***] or [***] to the [***] of the Products [***] to [***]. If [***] receives
[***] from [***] that [***] or [***] are [***] written [***] of [***] to
[***], and [***] will, [***] business days [***] and [***] days for [***],
advise [***] in [***] of and [***] to [***].

     d. Changes in Award Prices. Unless otherwise expressly agreed in any
        -----------------------
exhibit to this Agreement, the [***] will not [***] and [***] will [***] or
[***] during [***]. In addition to [***] made [***], Supplier may lower the
Award Prices or increase any discount applicable to the purchase or lease of
the Products at any time.

     e. Notification of Changes in Pricing Terms. Supplier will provide not less
        ----------------------------------------
than [***] prior written notice to Novation and not less than [***] prior
written notice to all Members of any change in pricing terms permitted or
required by this Agreement. For purposes of the foregoing notification
requirements, a change in pricing terms will mean any change that affects the
delivered price to the Member, including, without limitation, changes in list
prices, discounts or pricing tiers or schedules. Such prior written notice
will be provided in such format and in such detail as may be required by
Novation from time to time, and will include, at a minimum, sufficient
information to determine line item pricing of the Products for all affected
Members.

     f. Underutilized Businesses. Certain Members may be required by law,
        ------------------------
regulation and/or internal policy to do business with underutilized businesses
such as Minority Business Enterprises (MBE), Disadvantaged Business Enterprises
(DBE), Small Business Enterprises

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                       -2-
<PAGE>

(SBE), Historically Underutilized Businesses (HUB) and/or Women-owned Business
Enterprises (WBE). To assist Novation in helping Members meet these
requirements. Supplier will comply with all Novation policies and programs with
respect to such businesses and will provide, on request, Novation or any Member
with statistical or other information with respect to Supplier's utilization of
such businesses as a vendor, distributor, contractor or subcontractor.

3.      Term and Termination.

     a. Term. This Agreement will be effective as of the effective date set
        ----
forth in the Award Letter ("Effective Date"), and, unless sooner terminated,
will continue in full force and effect for the initial term set forth in the
Non-Price Specifications and for any renewal terms set forth in the Non-Price
Specifications by Novation's delivery of written notice of renewal to Supplier
not less than ten (10) days prior to the end of the initial term or any renewal
term, as applicable. The initial term, together with the renewal terms, if any,
are collectively referred to herein as the "Term."

     b. Termination by Novation. Novation may terminate this Agreement at any
        -----------------------
time for any reason whatsoever by delivering not less than [***] prior written
notice thereof to Supplier. In addition, Novation may terminate this Agreement
immediately by delivering written notice thereof to Supplier upon the
occurrence of either of the following events:

        (1) Supplier breaches this Agreement; or

        (2) Supplier becomes bankrupt or insolvent or makes an unauthorized
     assignment or goes into liquidation or proceedings are initiated for the
     purpose of having a receiving order or winding up order made against
     Supplier, or Supplier applies to the courts for protection from its
     creditors.

Novation's right to terminate this Agreement due to Supplier's breach in
accordance with this Subsection is in addition to any other rights and remedies
Novation, the Clients or the Members may have resulting from such breach,
including, but not limited to, Novation's and the Clients' right to recover all
loss of Marketing Fees resulting from such breach through the date of
termination and for [***] thereafter.

     c. Termination by Supplier. Supplier may terminate this Agreement at any
        -----------------------
time for any reason whatsoever by delivering not less than [***] prior written
notice thereof to Novation.

4.      Product Supply.

     a. Delivery and Invoicing. Supplier agrees to deliver Products ordered by
        ----------------------
the Members to the Members, [***], and will direct its invoices to the Members
in accordance with this Agreement. Supplier agrees to prepay and absorb
charges, if any, for transporting Products to the Members. Exhibit F attached
hereto sets forth a delivery schedule

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                       -3-
<PAGE>

constituting the minimum delivery lead times for the Equipment from the date of
a Member's purchase order. The actual delivery lead times may be increased by
the ordering Member based on its needs. Exhibit G attached hereto sets forth the
amount of liquidated damages payable by Supplier to the Member in the event of
Supplier's failure for any reason to comply with the agreed delivery schedule.
Supplier will make whatever arrangements are reasonably necessary with the
Members to implement the terms of this Agreement; provided, however, Supplier
will not impose any purchasing or leasing commitment on any Member as a
condition to the Member's purchase or lease of any Products pursuant to this
Agreement.

     b. Supplies. Supplies necessary for the operation of the Equipment will be
        --------
made available by Supplier to the Members at the prices or discounts listed on
Exhibit A. All warranties and guarantees will remain in force regardless of the
source from which the Member purchases Supplies.

     c. Product Fill Rates; Confirmation and Delivery Times. Supplier agrees to
        ---------------------------------------------------
provide product fill rates to the Members for Supplies of greater than [***],
calculated as line item orders. Supplier will provide confirmation of orders
Supplies from the Members via the electronic data interchange described in the
Guidebook referred to in Subsection 7.c below within [***] business days after
placement of the order and will deliver the Supplies to the Members within
[***] business days after placement of the order.

     d. Manuals/Schematics/Inspection Procedures. Supplier will provide to the
        -----------------------------------------
Members two complete and unabridged sets of operator service manuals for each
model of Equipment purchased or leased, including all subassemblies and
peripheral devices (including those manufactured by others). The technical
service manuals furnished to the Members will be at least as complete and
comprehensive as those furnished to Supplier's technical service personnel and
at a minimum must include theory of operation (including software), electrical
and mechanical schematics, preventive maintenance procedure and schedules,
replacement parts lists, and troubleshooting documentation. All updates to such
manuals will be provided to the applicable Members within two (2) weeks after
the release of such updates.

     e. Bundled Terms. Supplier agrees to give Novation prior written notice of
        -------------
any offer Supplier makes to any Member to sell or lease products that are not
covered by this Agreement in conjunction with Products covered by this Agreement
under circumstances where the Member has no real economic choice other than to
accept such bundled terms.

     f. Discontinuation of Products: Changes in Packaging. Supplier will have no
        -------------------------------------------------
unilateral right to discontinue any of the Products or to make any changes in
packaging which render any of the Products substantially different in use,
function or distribution. Supplier may request Novation in writing to agree to a
proposed discontinuation of any Products or a proposed substantial change in
packaging for any Products at least [***] days prior to the proposed
implementation of the discontinuation or change. Under no circumstances will
any Product discontinuation or substantial packaging changes be permitted
under this Agreement without Novation's agreement to the discontinuation or
substantial change. In the event Supplier implements such proposed
discontinuation or substantial change without Novation's agreement

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                       -4-
<PAGE>

thereto in writing, in addition to any other rights and remedies Novation or the
Members may have by reason of such discontinuation or substantial change, (i)
Novation will have the right to terminate any or all of the Product(s) subject
to such discontinuation or substantial change or to terminate this Agreement in
its entirety immediately upon becoming aware of the discontinuation or
substantial change or any time thereafter by delivering written notice thereof
to Supplier: (ii) the Members may purchase or lease products equivalent to the
discontinued or substantially changed Products from other sources and Supplier
will be liable to the Members for all reasonable costs in excess of the Award
Prices plus any other damages which they may incur: and (iii) Supplier--will be
liable to Novation and the Clients for any loss of Marketing Fees resulting from
such unacceptable discontinuation or substantial change plus any other damages
which they may incur.

     g. Replacement or New Products. Supplier will have no unilateral right to
        ---------------------------
replace any of the Products listed in Exhibit A with other products or to add
new products to this Agreement. Supplier may request Novation in writing to
agree to a replacement of any of the Products or the addition of a new product
that is closely related by function or use to an existing Product at least sixty
(60) days prior to the proposed implementation of the replacement or to the new
product introduction. Under no circumstances will any Product replacement or new
product addition to this Agreement be permitted without Novation's agreement to
the replacement or new product.

     h. New Technology. During the Term, Supplier will disclose to Novation new
        --------------
technology developed by Supplier which provides the same function as the
Equipment or any component thereof. Upon introduction of the new technology by
Supplier, each Member will be provided the option to exchange any Equipment or
component purchased, leased or ordered hereunder for the new technology upon the
terms and conditions set forth in Exhibit H attached hereto.

     i. Product Acceptance. A period of sixty (60) days from the first
        ------------------
operational use will be given to the Members for the purpose of acceptance
testing of the Equipment. Upon completion of the installation, the Equipment
will meet or exceed the specifications set out in Exhibit B and the
specifications set forth in Supplier's published brochures. Acceptance testing
will include, but is not limited to, safety testing, calibration, performance
testing, documentation inspection and testing for adherence to specifications.
Formal acceptance and invoice payment will occur only after the results of the
foregoing tests have been verified by the Member with at least thirty (30) days
of operational use, but not later than sixty (60) days from the first
operational use, at the Member's discretion. A complete set of all test
documentation and procedures will be made available to the Member prior to final
acceptance. As a condition for the acceptance of the Equipment, the Equipment
must have achieved uptime of at least [***] over the thirty (30) day period
immediately preceding acceptance, with uptime calculated in accordance with
Subsection 5.e below. If the Equipment fails the acceptance testing, the Member
may, at its discretion, return the Equipment to the Supplier for a complete cash
refund/exchange. If the Equipment passes the acceptance testing, the Warranty
Period for the Equipment will begin sixty (60) days from the first operational
use.

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                      -5-
<PAGE>

     j. Site Preparation. A general description of the pre-installation and site
        ----------------
preparation services (including, but not limited to, drawings, specifications or
other materials necessary for site preparation) provided by Supplier together
with a general description of site preparation costs for which the Members will
be responsible is set forth in Exhibit I attached hereto. Supplier will provide
the Members with a more specific description of pre-installation planning and
site preparation services and site preparation costs at the time the Member
requests a quote from Supplier.

     k. Installation/Assembly. A general description of the installation and/or
        ---------------------
assembly requirements for the Equipment is set forth in Exhibit J attached
hereto, including an estimate of any additional costs involved. At the time the
Member requests a quote from Supplier, Supplier will provide a more detailed
description of the installation and/or assembly requirements, including, but not
limited to, electrical, mechanical (HVAC), structural (including seismic where
applicable), and plumbing requirements. Based on past installations and a review
of the Member's site, Supplier will provide an estimate of the cost that the
Member will bear for each component of the installation and/or assembly,
regardless if supplied by Supplier or the Member. The Member will specify
whether Supplier or the Member will be responsible for the installation and/or
assembly. If Supplier is specified as having responsibility for the installation
and/or assembly, Supplier will include estimated dates and times for
installation and/or assembly as part of the agreed delivery schedule referred to
in Subsection 4.a above. If the Member will be taking the responsibility for
installation and/or assembly, Supplier will contact the individual selected by
the Member that will be responsible for the installation and/or assembly of the
Equipment.

     l. Installation/Environmental Issues. Supplier will bear all costs
        ---------------------------------
associated with the removal of packaging, crating and other material associated
with the installation of the Equipment. Supplier, at the discretion of the
Member, will remove the retired equipment at Supplier's expense, including any
expenses associated with the proper disposal of hazardous or other wastes.

     m. Member Services. Supplier will consult with each Member to identify the
        ---------------
Member's policies relating to access to facilities and personnel. Supplier will
comply with such policies and will establish a specific timetable for sales
calls by sales representatives and, if applicable, service calls by service
representatives, to satisfy the needs of the Member. Supplier will promptly
respond to Members' reasonable requests for verification of purchase or leasing
history.

     n. Training. A description and schedule of the technical service training
        --------
offered by Supplier is attached hereto as Exhibit K. Supplier will, unless
otherwise provided in any exhibit hereto, at no cost for tuition, travel,
lodging or out of pocket expenses to the Member, allow a minimum of two (2) of
the Member's staff members to attend Supplier's technical service training
school. Supplier will also allow the Member to reproduce all training material
for use by the Member's personnel at the Member's facility. Failure to provide
the opportunity for at least two (2) of the Member's staff to complete
Supplier's technical service training school prior to the expiration of the
Warranty Period will cause the warranty to be extended until the end of a thirty
(30) day period after the training has been completed. In addition, Supplier
will provide

                                      -6-
<PAGE>

inservice training for both operators and technical service staff of the Member
at the Member's site at Supplier's own cost, unless otherwise provided in any
exhibit hereto, for the Equipment as requested by any Member prior to the
completion of the [***] acceptance period referenced in Subsection 4.i above
and will continue such inservice training for the period required by the
Member to complete training for the required personnel. Supplier will provide
follow-up inservice training as determined by the Member for the life of the
Equipment at no additional charge regardless of where the training is
performed.

     o. Product Deletion. Notwithstanding anything to the contrary contained in
        ----------------
this Agreement, Novation may delete any one or more of the Products from this
Agreement at any time, at will and without cause, upon not less than sixty (60)
days' prior written notice to Supplier.

     p. Return of Products. Any Member, in addition to and not in limitation of
        ------------------
any other rights and remedies, will have the right to return Products to
Supplier under any of the following circumstances: (1) the Product is ordered or
shipped in error: (2) the Product is received damaged, or is defective or
nonconforming: (3) the Product is one which a product manufacturer or supplier
specifically authorizes for return: or (4) the Product is recalled. In addition,
any Member, in addition to and not in limitation of any other rights and
remedies, will have the right to return Supplies to Supplier under any of the
following circumstances: (1) the Supplies are no longer needed by the Member due
to deletion from its standard supply list or changes in usage patterns, provided
the Supplies are returned at least six (6) months prior to their expiration date
and are in re-saleable condition: or (2) the Supplies are received outdated or
are otherwise unusable. Supplier agrees to accept the return of Products under
each of the foregoing circumstances without charge and for full credit.

     q. Failure to Supply. In the event of Supplier's failure to perform its
        -----------------
supply obligations in accordance with the terms of this Section 4, the Member ma
purchase or lease products equivalent to the Products from other sources and
Supplier will be liable to the Member for all reasonable costs in excess of the
Award Prices plus any other damages which they may incur. In such event,
Supplier will also be liable to Novation and the Clients for any loss of
Marketing Fees resulting from such failure plus any other damages which they may
incur. The remedies set forth in this Subsection are in addition to any other
rights and remedies Novation, the Clients or the Members may have resulting from
such failure.

5.      Product Quality.

     a. Free From Defects. Supplier warrants the Products, including, but not
        -----------------
limited to, all attachments, subsystems and components thereof, against defects
in material, workmanship, design and manufacturing for the warranty period set
forth in Exhibit L attached hereto ("Warranty Period"). Supplier will make all
necessary arrangements to assign such warranty to the Members. Supplier further
represents and warrants that the Products will conform to the specifications,
drawings, and samples furnished by Supplier or contained in the Non-Price
Specifications and will be safe for their intended use. If any Products are
defective and a claim is made by a Member on account of such defect during the
Warranty Period, Supplier will, at the

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                      -7-
<PAGE>

option of the Member, either replace the defective Products or credit the
Member. Supplier will bear all costs of returning and replacing the defective
Products, as well as all risk of loss or damage to the defective Products from
and after the time they leave the physical possession of the Member. The
warranties contained in this Subsection will survive any inspection, delivery,
acceptance or payment by a Member. In addition, if there is at any time
wide-spread failure of the Products even after the Warranty Period has ended,
the Member may return all said Products for credit or replacement, at its
option. This Subsection and the obligations contained herein will survive the
expiration or earlier termination of this Agreement. The remedies set forth in
this Subsection are in addition to and not a limitation on any other rights or
remedies that may be available against Supplier.

     b. Warranty Service. All warranty repairs will have [***] coverage at no
        ----------------
additional charge where the Member will be allowed to determine whether the
service response may be postponed until the following working day. During the
Warranty Period, in the event the Equipment is inoperable for any reason,
Supplier agrees to provide a loaner of the Equipment of identical (compatible
with the system the Member is using) or superior type to the Member at its
site at no additional charge during the term of this Agreement. The loaner
equipment will be available and delivered to the Member's site within [***] of
request at no charge to Member.

     c. Replacement Parts. Replacement parts supplied by Supplier at any time,
        -----------------
whether during or after the Warranty Period or the term of any service
agreement, will be newly manufactured parts or assemblies, unless the Member
agrees otherwise. In the case where new parts are not available, the service
representative may install rebuilt parts in order to make the unit operational.
Within thirty (30) days after the repair, the rebuilt parts must be replaced
with newly manufactured parts. The Member may retain parts removed from the
Equipment and all parts that are not eligible for or are not returned by the
Member for Supplier credit will remain the property of the Member. In all cases
where Supplier is permitted to charge the Member for parts, Supplier will only
replace and charge for parts necessary to bring the Equipment to operating
condition. Supplier will warrant replacement parts and labor associated with
such replacement parts for one (1) year, or the period of time set forth in
Supplier's standard warranty, whichever is longer.

     d. Service Response Time. Supplier guarantees a response time of [***]
        ---------------------
by phone and [***] on-site for all warranty, contract or time and materials
service calls requested by any Member during the life of the Equipment. In the
event Supplier fails to comply with the provisions of this paragraph, Supplier
will pay to Member liquidated damages in the amount set forth in Exhibit G.

     e. Uptime Guarantee. For any calendar quarter during the Warranty Period
        ----------------
and the term of any service agreement, Supplier guarantees that the Equipment
will maintain a level of uptime equal to or better than [***]. Uptime will be
calculated using the following formula:

       uptime = (T - TNF) X 100
                 --------------
                             T

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                      -8-
<PAGE>

where `T" is the total number of hours that the Equipment is typically used per
quarter (determined by multiplying the number of hours per day that the
Equipment is typically used by the number of days per week that the Equipment is
typically used, and multiplying the result by 13 weeks in a quarter), and "TNF"
is the number of hours the Equipment or any component of the Equipment is not
functional during the quarter (the hours calculated will only include those
hours that the Equipment would typically be in use). If any portion of the total
functionality of the Equipment is unavailable for operational use, the Equipment
will be considered down. Downtime scheduled for preventive maintenance or any
other scheduled event, including those for the convenience of Member, will not
be included in the downtime calculation.

     Member will calculate uptime after each calendar quarter. If uptime is less
than [***], any lost revenue suffered by the Member for downtime beyond the
allowable [***] during the quarter will be paid by Supplier to the Member. Lost
revenue will be calculated by multiplying the number of procedures that would
have been performed or the number of times the Equipment would have been used
during any downtime times the Member's current charge rate per procedure or per
use. The Member will give written notice to Supplier of its failure to meet the
uptime requirement and the amount of lost revenues, and Supplier will pay such
amount to the Member within [***] after receipt of the notice. In addition,
Supplier will extend the Warranty Period or the service agreement without
charge by [***] for every [***] the Equipment or component thereof is not
operational beyond the allowable [***].

     f. Preventive Maintenance. During the Warranty Period, Supplier will
        -----------------------
perform preventive maintenance according to the manufacturer's recommendations
and the policies developed by the Member, [***]. Supplier will supply the
Member with a written procedure that will be followed by Supplier's
representative during the preventative maintenance process. Reasonable
additional testing will be performed by Supplier [***], upon request, to meet
the requirements of procedures developed by the Member. The frequency of
preventive maintenance and tests performed will comply with the manufacturer's
recommendations, external codes (state, JCAHO, etc.), and all internal
policies developed by the Member. During the Warranty Period, Supplier will
provide preventive maintenance after hours [***] if requested by the Member.

     g. Upgrades. A list of optional software available from Supplier, including
        --------
costs for the software both during the Warranty Period and after the Warranty
Period, is attached hereto as Exhibit M. Each Member will be given all upgrades
to acquired software, including any software components of Equipment, from the
date of issuance of the purchase order through the expiration of the Warranty
Period, including penalty extensions, and thereafter during the term of any
service agreement, [***]. Arrangements will be made to install all software
upgrades within two (2) weeks after the release of any software upgrade.

     h. Customization Software. Pricing relating to the customization of
        ----------------------
software and additional charges that the Member will incur for annual
maintenance, training, documentation, backup, etc. is attached hereto as Exhibit
N.

     i. Operational Software. The form of software licensure agreements
        --------------------
available to the Members is attached hereto as Exhibit O. All software necessary
to operate the Equipment,

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                      -9-
<PAGE>

unless otherwise provided in any exhibit hereto, will be licensed to the Member
upon acceptance of the Equipment pursuant to Subsection 4.i above. All new
operational software will be provided to the Member, unless otherwise provided
in Exhibit N, at no charge. throughout the Warranty Period and thereafter
throughout the term of any service agreement. New software will be installed
within (2) weeks after release.

     j. Diagnostic Software. All software necessary to troubleshoot and maintain
        -------------------
the Equipment will be supplied to the Member at no charge. The diagnostic
software will be identical to that used by Supplier's service representative.
Training for the use of diagnostic software will be included in the service
training provided by Supplier, and Supplier's telephone support will also
include assistance in diagnostic software operation. Training in the use of
diagnostic software and diagnostic software upgrades will be offered by Supplier
at no additional charge, unless otherwise provided in Exhibit N, to the Member
for the life of the Equipment within the Member's facility. Software updates
will be provided to the Member within two (2) weeks after the update release.

     k. Data Conversion/Interfaces. In the event that the Equipment requires
        --------------------------
conversion of data at the time of installation or assembly, Supplier agrees to
perform this conversion either manually or electronically [***]. A schedule of
Supplier's pricing for performing data conversion thereafter during the
Warranty Period and after the warranty has expired is included in Exhibit N
attached hereto. The data conversion will include all data requested by the
Member in writing. Supplier will inform Member, in writing, of the length of
time required to perform the conversion prior to the issuance of the purchase
order and will perform the conversion within such time. Supplier will also
include all interfaces requested by the Member [***], unless otherwise
provided in Exhibit N, to connect the Equipment to other information systems
owned by the Member and its affiliates.

     l. Service Contract Cancellation. The Member reserves the right to cancel
        -----------------------------
any service agreement, without cause or penalty, with thirty (30) days prior
written notification to Supplier. Payment reimbursement will be prorated and
Supplier will separate costs for preventive maintenance and repair for the
purpose of allocating expenses. Supplier will be required to leave the Equipment
in certifiable condition as deemed by the Member. Supplier will not cancel the
contract without a minimum of sixty (60) days prior written notification to the
Member. Cancellation of the contract will not affect Supplier's response time
and quality of support nor result in other penalties if the Member elects to use
Supplier for time and materials repairs, perform the work in-house or obtain
service from others.

     m. Product Compliance. Supplier represents and warrants to Novation, the
        ------------------
Clients and the Members that the Products are, if required, registered, and will
not be distributed, sold, leased or priced by Supplier in violation of any
federal, state or local law. Supplier represents and warrants that as of the
date of delivery to the Members all Products will not be adulterated or
misbranded within the meaning of the Federal Food, Drug and Cosmetic Act and
will not violate or cause a violation of any applicable law, ordinance, rule,
regulation or order. Supplier agrees it will comply with all applicable Good
Manufacturing Practices and Standards contained in 21 C.F.R. Parts 210, 211,
225, 226, 600, 606, 610, 640, 660, 680 and 820. Supplier represents and warrants
that it will provide adequate warnings and instructions to inform users of the
Products

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                     -10-
<PAGE>

of the risks, if any, associated with the use of the Products. Supplier's
representations, warranties and agreements in this Subsection will survive the
expiration or earlier termination of this Agreement.

     n. Patent Infringement. Supplier represents and warrants that the sale,
        -------------------
lease or use of the Products will not infringe any United States patent.
Supplier will, at its own expense, defend every suit which will be brought
against Novation or a Member for any alleged infringement of any patent by
reason of the sale, lease or use of the Products and will pay all costs, damages
and profits recoverable in any such suit. This Subsection and the obligations
contained herein will survive the expiration or earlier termination of this
Agreement. The remedies set forth in this Subsection are in addition to and not
a limitation on any other rights or remedies that may be available against
Supplier.

     o. Product Condition. Unless otherwise stated in the Non-Price
        -----------------
Specifications or unless agreed upon by a Member in connection with Products it
may order, all Products will be new. Products which are demonstrators, used,
obsolete, seconds, or which have been discontinued are unacceptable unless
otherwise specified in the Non-Price Specifications or the Member accepts
delivery after receiving notice of the condition of the Products. A description
of and pricing for demonstrators or refurbished Products is attached hereto as
Exhibit P.

     p. Recall of Products. Supplier will reimburse Members for any cost
        ------------------
associated with any Product corrective action, withdrawal or recall requested by
Supplier or required by any governmental entity. In the event a product recall
or a court action impacting supply occurs, Supplier will notify Novation in
writing within twenty-four (24) hours of any such recall or action. Supplier's
obligations in this Subsection will survive the expiration or earlier
termination of this Agreement.

     q. Shelf Life. Sterile Products and other Supplies with a limited shelf
        ----------
life sold under this Agreement will have the longest possible shelf life and the
latest possible expiration dates. Unless required by stability considerations,
there will not be less than an [***] interval between (i) the date of delivery
by Supplier of the Supplies to the Member and (ii) the expiration date of the
Supplies.

6.      Century Compliance.

     a. Definitions. For purposes of this Section, the following terms have the
        -----------
respective meanings given below:

        (1) "Systems" means any of the Products, systems of distribution for
     Products and Product manufacturing systems that consist of or include any
     computer software, computer firmware, computer hardware (whether general or
     special purpose), documentation, data, and other similar or related items
     of the automated, computerized, and/or software systems that are provided
     by or through Supplier or utilized to manufacture or distribute the
     Products provided by or through Supplier pursuant to this

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                     -11-
<PAGE>

     Agreement, or any component part thereof, and any services provided by or
     through Supplier in Connection therewith.

        (2) "Calendar-Related" refers to date values based on the "Gregorian
     calendar" (as defined in the Encyclopedia Britannica, 15th edition. 1982.
     page 602) and to all uses in any manner of those date values, including
     without limitation manipulations, calculations, conversions, comparisons,
     and presentations.

        (3) "Century Noncompliance" means any aspects of the Systems that fail
     to satisfy the requirements set forth in Subsection 6.b below.

     b. Representations. Supplier warrants, represents and agrees that the
        ---------------
Systems satisfy the following requirements:

        (1) In connection with the use and processing of Calendar-Related data,
     the Systems will not malfunction, will not cease to function, will not
     generate incorrect data, and will not produce incorrect results.

        (2) In connection with providing Calendar-Related data to and accepting
     Calendar-Related data from other automated, computerized, and/or software
     systems and users via user inter-faces, electronic interfaces, and date
     storage, the Systems represent dates without ambiguity as to century.

        (3) The year component of Calendar-Related data that is provided by the
     Systems to or that is accepted by the Systems from other automated,
     computerized, and/or software systems and user interfaces, electronic
     interfaces, and data storage is represented in a four-digit CCYY format,
     where CC represents the two digits expressing the century and YY represents
     the two digits expressing the year within that century (e.g.. 1996 or
     2003).

        (4) Supplier has verified through testing that the Systems satisfy the
     requirements of this Subsection including, without limitation, testing of
     each of the following specific dates and the transition to and from each
     such date: September 9, 1999; September 10, 1999; December 31, 1999;
     January 1, 2000; February 28, 2000; February 29, 2000; March 1, 2000;
     December 31, 2000: January 1. 2001; December 31, 2004; and January 1, 2005.

     c. Remedies. In the event of any Century Noncompliance in the Systems in
        --------
any respect, in addition to any other remedies that may be available to Novation
or the Members, Supplier will, at no cost to the Members, promptly under the
circumstances (but, in all cases, within thirty (30) days after receipt of a
written request from any Member, unless otherwise agreed by the Member in
writing) eliminate the Century Noncompliance from the Systems.

     d. Noncompliance Notice. In the event Supplier becomes aware of (i) any
        --------------------
possible or actual Century Noncompliance in the Systems or (ii) any
international, governmental,

                                     -12-
<PAGE>

industrial, or other standard (proposed or adopted) regarding Calendar-Related
data and/or processing, or Supplier begins any significant effort to conform the
Systems to any such standard, Supplier will promptly provide the Members with
all relevant information in writing and will timely provide the Members with
updates to such information. Supplier will respond promptly and fully to
inquiries by the Members, and timely provide updates to any responses provided
to the Members, with respect to (i) any possible or actual Century Noncompliance
in the Systems or (ii) any international, governmental, industrial, or other
standards. In the foregoing, the use of "timely" means promptly after the
relevant information becomes known to or is developed by or for Supplier.

     e. Survival. Supplier's representations, warranties and agreements in this
        --------
Section will continue in effect throughout the Term and will survive the
expiration or earlier termination of this Agreement.

7.      Reports and Other Information Requirements.

     a. Report Content. Within twenty (20) days after the end of each full and
        --------------
partial month during the Term ("Reporting Month"), Supplier will submit to
Novation a report in the form of a diskette containing the following information
in form and content reasonably satisfactory to Novation:

        (1) the name of Supplier, the Reporting Month and year and the Agreement
     number (as provided to Supplier by Novation);

        (2) with respect to each Member (described by LIC number (as provided to
     Supplier by Novation), health industry number (if applicable), full name,
     street address, city, state, zip code and, if applicable, tier and
     committed status), the number of units sold or leased and the amount of net
     sales and/or net lease revenues for each Product on a line item basis, and
     the sum of net sales and/or net lease revenues and the associated Marketing
     Fees for all Products purchased or leased by such Member directly or
     indirectly from Supplier during the Reporting Month, whether under the
     pricing and other terms of this Agreement or under the terms of any other
     purchasing. leasing, licensing, financing or pricing arrangements that may
     exist between the Member and Supplier;

        (3) the sum of the net sales and/or net lease revenues and the
     associated Marketing Fees for all Products sold or leased to all Members
     during the Reporting Month; and

        (4) such additional information as Novation may reasonably request
     from time to time.

     b. Report Format and Delivery. The reports required by this Section will be
        --------------------------
submitted electronically in Excel Version 7 or Access Version 7 and in
accordance with other specifications established by Novation from time to time
and will be delivered to:

                                     -13-
<PAGE>

     Novation
     Attn: SRIS Operations
     220 East Las Colinas Boulevard
     Irving, TX 75039

     c. Other Information Requirements. In addition to the reporting
        ------------------------------
requirements set forth in Subsections 7.a and 7.b above, the parties agree to
facilitate the administration of this Agreement by transmitting and receiving
information electronically and by complying with the information requirements
set forth in Exhibit Q attached hereto. Supplier further agrees that, except to
the extent of any inconsistency with the provisions of this Agreement, it will
comply with all information requirements set forth in the Novation Information
Requirements Guidebook ("Guidebook"). On or about the Effective Date, Novation
will provide Supplier with a current copy of the Guidebook and will thereafter
provide Supplier with updates and/or revisions to the Guidebook from time to
time.

8.      Obligations of Novation.

     a. Information to Members. After issuing the Award Letter, Novation, in
        ----------------------
conjunction with the Clients, will deliver a summary of the purchasing and/or
leasing arrangements covered by this Agreement to each Member and will, from
time to time, at the request of Supplier, deliver to each Member reasonable and
appropriate amounts and types of materials supplied by Supplier to Novation
which relate to the purchase or lease of the Products.

     b. Marketing Services. Novation, in conjunction with the Clients, will
        ------------------
market the purchasing and/or leasing arrangements covered by this Agreement to
the Members. Such promotional services may include, as appropriate, the use of
direct mail, contact by Novation's field service delivery team, member support
services, and regional and national meetings and conferences. As appropriate,
[***], in [***] with the [***], [***] involve [***] in these [***] by [***] to
[***] in [***] and [***] reasonable [***] with [***].

9.      Marketing Fees.

     a. Calculation. Supplier will pay to Novation, as the authorized collection
        -----------
agent for each of the Clients and certain of each Client's subsidiaries and
affiliates, respectively (and not collectively), marketing fees ("Marketing
Fees") belonging to any of the Clients or certain of their subsidiaries or
affiliates equal to the Agreed Percentage of the aggregate gross charges of all
net sales and net lease revenues of the Products to the Members directly or
indirectly from Supplier, whether under the pricing and other terms of this
Agreement or under the terms of any other purchasing, leasing, licensing,
financing or pricing arrangements that may exist between the Members and
Supplier. Such gross charges will be determined without any deduction for
uncollected accounts or for costs incurred in the manufacture, provision, sale,
lease or distribution of the Products, and will include, but not be limited to,
charges for the sale or lease of products, the provision of installation,
training and maintenance services, and the provision of

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

                                     -14-
<PAGE>

any other services listed on Exhibit A. The "Agreed Percentage" will be defined
in the Award Letter.

     b. Payment. On or about the Effective Date, Novation will advise Supplier
        -------
in writing of the amount determined by Novation to be Supplier's monthly
estimated Marketing Fees. Thereafter, Supplier's monthly estimated Marketing
Fees may be adjusted from time to time upon written notice from Novation based
on actual purchase data. No later than the tenth (10th) day of each month,
Supplier will remit the monthly estimated Marketing Fees for such month to
Novation. Such payment will be adjusted to reflect the reconciliation between
the actual Marketing Fees payable for the second month prior to such month with
the estimated Marketing Fees actually paid during such prior month. Supplier
will pay all estimated and adjusted Marketing Fees by check made payable to
"Novation, LLC." All checks should reference the Agreement number. Supplier will
include with its check the reconciliation calculation used by Supplier to
determine the payment adjustment, with separate amounts shown for each Client's
component thereof. Checks sent by first class mail will be mailed to the
following address:                ----------------

     [***]

Checks sent by courier (Federal Express, United Parcel Service or messenger)
               -------
will be addressed as follows:
     [***]

Please send a copy of the check to:
     [***]

10.  [***]

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                      -15-
<PAGE>

11.       Nonpayment or Insolvency of a Member. If a Member fails to pay
Supplier for Products, or if a Member becomes bankrupt or insolvent or makes an
assignment for the benefit of creditors or goes into liquidation, or if
proceedings are initiated for the purpose of having a receiving order or winding
up order made against a Member, or if a Member applies to the court for
protection from its creditors, then, in any such case, this Agreement will not
terminate, but Supplier will have the right, upon prior written notice to
Novation and the Member, to discontinue selling Products to that Member.

12.       Insurance.

     a.   Policy Requirements. Supplier will maintain and keep in force during
          -------------------
the Term product liability, general public liability and property damage
insurance against any insurable claim or claims which might or could arise
regarding Products purchased or leased from Supplier. Such insurance will
contain a minimum combined single limit of liability for bodily injury and
property damage in the amounts of not less than [***] per occurrence and [***]
in the aggregate; will name Novation, the Clients and the Members, as their
interests may appear, as additional insureds, and will contain an endorsement
providing that the carrier will provide directly to all named insured copies
of all notices and endorsements. Supplier will provide to Novation in its Bid
and thereafter within [***] after Novation's request, an insurance certificate
indicating the foregoing coverage, issued by an insurance company licensed to
do business in the relevant states and signed by an authorized agent.

     b.   Self-Insurance. Notwithstanding anything to the contrary in Subsection
          --------------
12.a above, Supplier may maintain a self-insurance program for all or any part
of the foregoing liability risks, provided such self-insurance policy in all
material respects complies with the requirements applicable to the product
liability, general public liability and property damage insurance set forth in
Subsection 12.a. Supplier will provide Novation in its Bid and thereafter within
fifteen (15) days after Novation's request: (1) the self-insurance policy; (2)
the name of

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                      -16-
<PAGE>

the company managing the self-insurance program and providing reinsurance, if
any: (3) the most recent annual reports on claims and reserves for the program;
and (4) the most recent annual actuarial report on such program.

     c.   Amendments, Notices and Endorsements. Supplier will not amend, in any
          ------------------------------------
material respect that affects the interests of Novation, the Clients or the
Members, or terminate said liability insurance or self-insurance program except
after thirty (30) days' prior written notice to Novation and will provide to
Novation copies of all notices and endorsements as soon as practicable after it
receives or gives them.

13.       Compliance with Law and Government Program Participation.

     a.   Compliance With Law. Supplier represents and warrants that to the best
          -------------------
of its knowledge, after due inquiry, it is in compliance with all federal, state
and local statutes, laws, ordinances and regulations applicable to it ("Legal
Requirements") which are material to the operation of its business and the
conduct of its affairs, including Legal Requirements pertaining to the safety of
the Products, occupational health and safety, environmental protection.
nondiscrimination, antitrust, and equal employment opportunity. During the Term,
Supplier will: (1) promptly notify Novation of any lawsuits, claims,
administrative actions or other proceedings asserted or commenced against it
which assert in whole or in part that Supplier is in noncompliance with any
Legal Requirement which is material to the operation of its business and the
conduct of its affairs and (2) promptly provide Novation with true and correct
copies of all written notices of adverse findings from the U.S. Food and Drug
Administration ("FDA") and all written results of FDA inspections which pertain
to the Products.

     b.   Government Program Participation. Supplier represents and warrants
          --------------------------------
that it is not excluded from participation, and is not otherwise ineligible to
participate, in a "Federal health care program" as defined in 42 U.S.C. (S)
1320a-7b(f) or in any other government payment program. In the event Supplier is
excluded from participation, or becomes otherwise ineligible to participate in
any such program during the Term, Supplier will notify Novation in writing
within three (3) days after such event, and upon the occurrence of such event,
whether or not such notice is given to Novation, Novation may immediately
terminate this Agreement upon written notice to Supplier.

14.       RELEASE AND INDEMNITY. SUPPLIER WILL RELEASE, INDEMNIFY, HOLD
HARMLESS, AND, IF REQUESTED, DEFEND NOVATION, THE CLIENTS AND THE MEMBERS, AND
THEIR RESPECTIVE OFFICERS, DIRECTORS, REGENTS, AGENTS, SUBSIDIARIES, AFFILIATES
AND EMPLOYEES (COLLECTIVELY, THE "INDEMNITEES"), FROM AND AGAINST ANY CLAIMS,
LIABILITIES, DAMAGES, ACTIONS, COSTS AND EXPENSES (INCLUDING, WITHOUT
LIMITATION, REASONABLE ATTORNEYS' FEES, EXPERT FEES AND COURT COSTS) OF ANY KIND
OR NATURE, WHETHER AT LAW OR IN EQUITY, INCLUDING CLAIMS ASSERTING STRICT
LIABILITY, ARISING FROM OR CAUSED IN ANY PART BY (1) THE BREACH OF ANY
REPRESENTATION, WARRANTY, COVENANT OR AGREEMENT OF SUPPLIER CONTAINED IN THIS
AGREEMENT OR IN THE BID; (2) THE CONDITION OF ANY PRODUCT, INCLUDING A DEFECT IN
MATERIAL, WORKMANSHIP, DESIGN OR MANUFACTURING; OR (3) THE WARNINGS AND

                                      -17-
<PAGE>

INSTRUCTIONS ASSOCIATED WITH ANY PRODUCT. [***]; PROVIDED, HOWEVER, THAT SUCH
INDEMNIFICATION, HOLD HARMLESS AND RIGHT TO DEFENSE WILL NOT BE APPLICABLE WHERE
THE CLAIM, LIABILITY, DAMAGE, ACTION, COST OR EXPENSE ARISES [***] AS A RESULT
OF AN ACT OR FAILURE TO ACT OF INDEMNITEES. THIS SECTION AND THE OBLIGATIONS
CONTAINED HEREIN WILL SURVIVE THE EXPIRATION OR EARLIER TERMINATION OF THIS
AGREEMENT. THE REMEDIES SET FORTH IN THIS SECTION ARE IN ADDITION TO AND NOT A
LIMITATION ON ANY OTHER RIGHTS OR REMEDIES THAT MAY BE AVAILABLE AGAINST
SUPPLIER.

15.       Books and Records; Facilities Inspections. Supplier agrees to keep,
maintain and preserve complete, current and accurate books, records and accounts
of the transactions contemplated by this Agreement and such additional books,
records and accounts as are necessary to establish and verify Supplier's
compliance with this Agreement. All such books, records and accounts will be
available for inspection and audit by Novation representatives at any time
during the Term and for two (2) years thereafter, but only during reasonable
business hours and upon reasonable notice. Novation agrees that its routine
audits will not be conducted more frequently than twice in any consecutive
twelve (12) month period, subject to Novation's right to conduct special audits
whenever it deems it to be necessary. In addition, Supplier will make its
manufacturing and packaging facilities available for inspection from time to
time during the Term by Novation representatives, but only during reasonable
business hours and upon reasonable notice. The exercise by Novation of the right
to inspect and audit is without prejudice to any other or additional rights or
remedies of either party.

16.       Use of Names, Etc. Supplier agrees that it will not use in any way in
its promotional, informational or marketing activities or materials (i) the
names, trademarks, logos, symbols or a description of the business or activities
of Novation or any Client or Member without in each instance obtaining the prior
written consent of the person owning the rights thereto: or (ii) the award or
the content of this Agreement without in each instance obtaining the prior
written consent of Novation.

17.       Confidential Information.

     a.   Nondisclosure. Supplier agrees that it will:
          -------------

          (1) keep strictly confidential and hold in trust all Confidential
     Information, as defined in Subsection 17.b below, of Novation, the Clients
     and the Members:

          (2) not use the Confidential Information for any purpose other than
     the performance of its obligations under this Agreement, without the prior
     written consent of Novation;

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.

                                      -18-
<PAGE>

          (3) not disclose the Confidential Information to any third party
     (unless required by law) without the prior written consent of Novation: and

          (4) not later than thirty (30) days after the expiration or earlier
     termination of this Agreement, return to Novation, the Client or the
     Member, as the case may be, the Confidential Information.

     b.   Definition. "Confidential Information," as used in Subsection 17.a
          ----------
above, will consist of all information relating to the prices and usage of the
Products (including all information contained in the reports produced by
Supplier pursuant to Section 7 above) and all documents and other materials of
Novation, the Clients and the Members containing information relating to the
programs of Novation, the Clients or the Members of a proprietary or sensitive
nature not readily available through sources in the public domain. In no event
will Supplier provide to any person any information relating to the prices it
charges the Members for Products ordered pursuant to this Agreement without the
prior written consent of Novation.

18.       Miscellaneous.

     a.   Choice of Law. This Agreement will be governed by and construed in
          -------------
accordance with the internal substantive laws of the State of Texas and the
Texas courts will have jurisdiction over all matters relating to this Agreement:
provided, however, the terms of any agreement between Supplier and a Member will
be governed by and construed in accordance with the choice of law and venue
provisions set forth in such agreement.

     b.   Not Responsible. Novation and the Clients and their subsidiaries and
          ---------------
affiliates will not be responsible or liable for any Member's breach of any
purchasing commitment or for any other actions of any Member. In addition, none
of the Clients will be responsible or liable for the obligations of another
Client or its subsidiaries or affiliates or the obligations of Novation or
Supplier under this Agreement.

     c.   Third Party Beneficiaries. All Clients and Members are intended third
          -------------------------
party beneficiaries of this Agreement. All terms and conditions of this
Agreement which are applicable to the Clients will inure to the benefit of and
be enforceable by the Clients and their respective successors and assigns. All
terms and conditions of this Agreement which are applicable to the Members will
inure to the benefit of and be enforceable by the Members and their respective
successors and assigns.

     d.   Notices. Except as otherwise expressly provided herein, all notices or
          -------
other communications required or permitted under this Agreement wilt be in
writing and will be deemed sufficient when mailed by United States mail, or
delivered in person to the party to which it is to be given, at the address of
such party set forth below:

                                      -19-
<PAGE>

If to Supplier:

     To the address set forth by Supplier in the Bid

If to Novation:

     Novation
     Attn:   General Counsel
     220 East Las Colinas Blvd.
     Irving, TX 75039

or such other address as the party will have furnished in writing in accordance
with the provisions of this Subsection.

     e.   No Assignment. No assignment of all or any part of this Agreement may
          -------------
be made without the prior written consent of the other party; except that
Novation may assign its rights and obligations to any affiliate of Novation. Any
assignment of all or any part of this Agreement by either party will not relieve
that party of the responsibility of performing its obligations hereunder to the
extent that such obligations are not satisfied in full by the assignee. This
Agreement will be binding upon and inure to the benefit of the parties'
respective successors and assigns.

     f.   Severability. Whenever possible, each provision of this Agreement will
          ------------
be interpreted in such a manner as to be effective and valid under applicable
law, but if any provision of this Agreement will be prohibited by or invalid
under applicable law, such provision will be ineffective to the extent of such
prohibition or invalidity without invalidating the remainder of such provision
or the remaining provisions of this Agreement. Each party will, at its own
expense, take such action as is reasonably necessary to defend the validity and
enforceability of this Agreement and will cooperate with the other party as is
reasonably necessary in such defense.

     g.   Entire Agreement. This Agreement, together with the exhibits listed
          ----------------
below, will constitute the entire agreement between Novation and Supplier. This
Agreement, together with the exhibits listed below and each Member's purchase
and/or lease order and/or other applicable Form will constitute the entire
agreement between each Member and Supplier. In the event of any inconsistency
between this Agreement and a Member's purchase and/or lease order and/or other
applicable Form, the terms of this Agreement will control, except that the
Member's purchase and/or lease order and/or other applicable Form will supersede
Sections 4 and 5 of this Agreement in the event of any inconsistency with such
Sections. No other terms and conditions in any document, acceptance, or
acknowledgment will be effective or binding unless expressly agreed to in
writing. The following exhibits are incorporated by reference in this Agreement:

Exhibit A   Product and Service Description and Pricing

Exhibit B   Non-Price Specifications

                                      -20-
<PAGE>

Exhibit C   Special Conditions

Exhibit D   Award Letter

Exhibit E   Forms of Purchase, Lease, License, Financing and/or Service
            Agreements

Exhibit F   Minimum Delivery Schedule

Exhibit G   Liquidated Damages

Exhibit H   Terms and Conditions for New Technology Exchange

Exhibit I   Site Preparation

Exhibit J   Installation/Assembly

Exhibit K   Description and Schedule of Technical Service Training

Exhibit L   Warranty

Exhibit M   Optional Software

Exhibit N   Pricing Relating to Customization of Software, Operational or
            Diagnostic Software and/or Data Conversion/Interfaces

Exhibit O   Form of Software License Agreement

Exhibit P   Other Information Requirements

Exhibit Q   Agreement Exception Form

SUPPLIER:         Natus Medical Inc.
                  ------------------

ADDRESS:          1501 Industrial Road
                  --------------------
                  San Carlos, CA 94070
                  --------------------

SIGNATURE:        /s/ June M. Fallon
                  --------------------------

TITLE:            Vice President-Field Operations       Date: 6-25-99
                  -------------------------------             -------

                                      -21-
<PAGE>

                                   EXHIBIT A

                  PRODUCT AND SERVICE DESCRIPTION AND PRICING

Newborn Hearing Screening Equipment
Types:
     Automated Auditory Brainstem Response Equipment
     Automated Otocoustic Emission Equipment
     Combination ABR and OAE Equipment

Desired abilities:
        Screening decibels of 70 dB & 40 dB
        Able to descend in 10dB steps and 20dB steps
        Able to construct customized protocols

Product typically regularly updated to best, most appropriate model of computer
                                   available.
            Current product specifications and descriptions attached.
<PAGE>

ALGO                                                                    NATUS(R)
Newborn Hearing Screener
Model 2e Color

                                 1999 Novation
                               Hardware Pricing

<TABLE>
<CAPTION>
                                           Negotiated
                                            Novation       Committed      Super Committed
       Product           List Price       Member Price      Pricing*     Pricing** (1,2,3)
-------------------------------------------------------------------------------------------
<S>                      <C>              <C>             <C>            <C>
ALGO(TM) Model 2e Color
  Newborn Hearing        $17,500.00           [***]          [***]            [***]
     Screener

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

ALGO(TM) Portable
Newborn Hearing          $10,900.00           [***]          [***]            [***]
     Screener
---------------------------------------------------------------------------------------
C-Stat End Tidal
 Breath Analyzer         $19,500.00           [***]          [***]            [***]
------------------------------------------------------------------------------------------
</TABLE>

*Committed Pricing:        1. Hospital commits to [***] of all [***]
                              with [***]

**Super Committed Pricing: 1. Hospital commits to [***] of all [***]
                              with [***]
                           2. One (1) Natus [***] purchased for [***]
                           3. Minimum of [***]

__________
[***] Confidential treatment requested puruant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

                                 1999 Novation
                         Combination Hardware Pricing*

<TABLE>
<CAPTION>
                                                                               Special Combination
               Natus                                        List Price               Pricing
--------------------------------------------------------------------------------------------------------
<S>                                                         <C>                <C>
     ALGO(TM) Model 2e Color Newborn Hearing Screener       $17,500.00
                         and                                   and                    [***]
          CO-Stat(TM) End Tidal Breath Analyzer             $19,500.00

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

     ALGO(TM) Portable Newborn Hearing Screener             $10,900.00
                         and                                   and                    [***]
        CO-Stat(TM) End Tidal Breath Analyzer               $19,500.00

--------------------------------------------------------------------------------------------------------
</TABLE>

* Applies to product on single purchase order or products purchased within 3
month time frame.

Note: CO-Stat as available. May be upgraded configuration.

__________
[***] Confidential treatment requested puruant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

                                1999 Novation
                               ALGO-COLORADO PAK
                          Quantity Discount Schedule

Screens per year     Number of       Volume       Cost per    Cost per
  per facility         Boxes        Discount        Box        Screen
----------------------------------------------------------------------

1-252                1-7           list price     $351.00       $9.75

253-540              8-15             [***]        [***]       [***]

541-1,692            16-47            [***]        [***]       [***]

1,693-3,168          48-88            [***]        [***]       [***]

3,169-3,456          89-96            [***]        [***]       [***]

3,457-10,000         97-278           [***]        [***]       [***]

10,001-16,000        279-445          [***]        [***]       [***]

16,001-25,000        446-695          [***]        [***]       [***]

25,001-35,000        696-973          [***]        [***]       [***]

35,001-100,000       974-2,778        [***]        [***]       [***]

100,001-125,000      2,779-3,472      [***]        [***]       [***]

125,001-150,000      3,473-4,167      [***]        [***]       [***]

150,001+             4,168+           [***]        [***]       [***]

Note:
1 box contains 36 screens

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.
<PAGE>

                                 1999 Novation
                           CO-Stat Nasal Sampler Pak
                          Quantity Discount Schedule

                     Number of       Volume       Cost per    Cost per
 Tests per year        Boxes        Discount        Box        Screen
----------------------------------------------------------------------

1-252                1-7           list price     $504.00      $14.00

253-540              8-15             [***]        [***]       [***]

541-1,692            16-47            [***]        [***]       [***]

1,693-3,168          48-88            [***]        [***]       [***]

3,169-3,456          89-96            [***]        [***]       [***]

3,457-10,000         97-278           [***]        [***]       [***]

10,001-16,000        279-445          [***]        [***]       [***]

16,001-25,000        446-695          [***]        [***]       [***]

25,001-35,000        696-973          [***]        [***]       [***]

35,001-100,000       974-2,778        [***]        [***]       [***]

100,001-125,000      2,779-3,472      [***]        [***]       [***]

125,001-150,000      3,473-4,167      [***]        [***]       [***]

150,001+             4,168+           [***]        [***]       [***]

Note: 1 box contains 36 screens

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission.  Omitted portions
have been filed separately with the Commission.
<PAGE>

                                 1999 Novation
                     MiniMuffs Neonatal Noise Attentuators
                          Quantity Discount Schedule

        Pairs        Number          Volume       Cost per    Cost per
      Per Year      of Boxes        Discount        Box         Pair
----------------------------------------------------------------------

1-252                1-7           list price     $180.00      $5.00

253-540              8-15             [***]        [***]       [***]

541-1,692            16-47            [***]        [***]       [***]

1,693-3,168          48-88            [***]        [***]       [***]

3,169-3,456          89-96            [***]        [***]       [***]

3,457-10,000         97-278           [***]        [***]       [***]

10,001-16,000        279-445          [***]        [***]       [***]

16,001-25,000        446-695          [***]        [***]       [***]

25,001-35,000        696-973          [***]        [***]       [***]

35,001-100,000       974-2,778        [***]        [***]       [***]

100,001-125,000      2,779-3,472      [***]        [***]       [***]

125,001-150,000      3,473-4,167      [***]        [***]       [***]

150,001+             4,168+           [***]        [***]       [***]

Note: 1 box contains 36 pairs

__________
[***] Confidential treatment requested puruant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

Newborn
Hearing
Screener

[GRAPHIC OMITTED]

AABR(TM) AUTOMATED AUDITORY BRAINSTEM RESPONSE TECHNOLOGY: SPECIFICALLY
CONCEIVED FOR NEWBORN HEARING SCREENING

     Natus patented AABR technology is based upon the "Gold Standard" auditory
brainstem response (ABR) test, used for diagnostic assessment of hearing
impairment for over twenty years. AABR technology results from a fundamental
consideration of the challenges of newborn hearing screening.

     . Accuracy: sensitivity and specificity are essential.
     . Objectivity: pass/refer results, no professional interpretation.
     . Ease of use: fast, cost-effective screening.

     Natus' AABR technology screens the entire hearing pathway, from the ear to
the brainstem - the most complete approach available to detect hearing
impairment.

     The ALGO screener is the only device which has been designed and clinically
tested specifically to screen newborns for hearing impairment, and has been
clinically proven to be both highly sensitive and specific.

EASY TO USE AND COST-EFFECTIVE

     The ALGO Model 2e Color screener incorporates a graphical user interface
with provides simple, step-by-step instructions. There are three basic steps:
preparation, screening and recording of results. Its also features an on-line
video tutorial program and help menus which can be easily accessed at any time.
Both ears can be screened simultaneously at the touch of a button, providing
final results in minutes.

CONVENIENT DATA MANAGEMENT

     The ALGO(TM) Model 2e Color newborn hearing screener automatically stores
screening results and an expanded set of relevant patient information. The
information stored by the screener can be customized to ensure key parameters
are retained for each newborn screened. The expanded patient information
contains the standard high risk indicators that are recommended by the American
Academy of Pediatrics.

     The ALGO DataBook(R) NHS Data Tracking Software included with the screener,
automatically retrieves the results of every screen, allowing for convenient
tracking of patient outcomes.

NATUS: THE INDUSTRY LEADER

     Clinicians have relied on ALGO screeners for over a decade and they are
currently used in successful newborn hearing screening programs in over 22
countries. ALGO screeners are accurate, objective and easy to use - the most
clinically appropriate, cost effective tools for newborn hearing screening.
<PAGE>

       SPECIFICATIONS: ALGO(TM) MODEL 2E COLOR NEWBORN HEARING SCREENER

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

Product:          ALGO(TM) Model 2e Color Newborn Hearing Screener

Warranty:         1 year parts and labor.

Manufacturer:     Natus Medical Incorporated
                  1501 Industrial Road
                  San Carlos, CA 94070-4111
                  (650) 802-0400
                  (800) 255-3901
                  Fax: (650) 802-0401
                  Customer_Service@natusmed.com

Newborn Hearing Screener includes:

                  Detachable screening module with laptop computer
                  Natus screening station (cart with built-in storage)
                  Screening station cover
                  Fully integrated ALGO DataBook(R) NHS data tracking system
                  software
                  Label printer
                  Patient cable assembly (PCA) and pre-amplifier cable
                  Laptop lock
                  Acoustic transducer assembly cable
                  Acoustic check kit
                  Starter kit of supplies
                  Power cord
                  User Manual

Supporting Clinical Education Supplies and Services included with the
instrument:
(These services are typically available, but may be updated)
                  Clinical Education inservice training
                  Newborn Hearing Screening Program Book
                  Inservice packet
                  Press kit materials
                  Inservice training video
                  Parent education video

The ALGO is the only screener that uses patented AABR(TM) Automated Auditory
Brainstem Response technology to evaluate the ABR response with a clinically
proven algorithm. The theoretical sensitivity of the instrument is 99.96%.

                                   Page 1 of 3
<PAGE>

         SPECIFICATIONS: ALGO(TM) MODEL 2E COLOR NEWBORN HEARING SCREENER

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

Instruments Requirements
------------------------

 .    Instrument must provide Pass/Refer results which are objective, easily
     understood and do not require interpretation.

 .    Results must be available immediately after screen, before time of patient
     discharge.

 .    Results must be automatically stored in an integrated data management
     system.

 .    Instrument must provide screen of complete hearing pathway from ear to
     brainstem.

 .    Instrument must be simple to use, requiring minimal training to reach
     proficiency.

 .    Instrument must be non-invasive, requiring nothing be inserted into the
     ear.

Technical Specifications
------------------------

Instrument shall have:

 .    AABR Automated Auditory Brainstem Response technology, for automatic
     waveform template matching and recognition at 35 dB nHL. Optional template
     matching at 40 and 70 dB nHL.

 .    Preamp and Amplifier: Gain in 105 dB; the Output Voltage is + 12 VDC with a
     CMRR of more than 80 dB; Notch Filer is -12 dB @ 60 Hz, -12 dB @ 50 Hz;
     Bandpass Filter between the ranges of 0.05-1.5 kHz, 6 dB/octave high pass,
     24 dB/octave low pass; Input Noise is 0.8 V rms @ 0.05-1.5 kHz.

 .    Dual Artifact Rejection System: Myogenic noise rejection filter of 2 (mu)V
     rms @ 275 Hz and Ambient noise rejection filter of 50 dB SPL @ 2 kHz. The
     instrument must also display a visual warning if either the myogenic or
     ambient noise rejection system has been employed.

 .    On screen display, and automatic printout of objective Pass/Refer result.

 .    On screen display of appropriate impedance measurements.

 .    Ability to screen ears simultaneously at 35 dB nHL.

 .    Stimulator with click duration of 100 (mu)sec, intensity of 35 dB nHL, with
     alternating polarity. The acoustic frequency spectrum must be 700-5000 hz
     (+ 10dB). Optional screening feature with click intensity of 40 and 70 dB
     nHL.

 .    Sweep rate of 37 pulses/sec. For the right ear and 34 pulses/sec for the
     left ear (simultaneous test). Sweep count of 15,000 maximum.

 .    Line operated power supply.

 .    On screen user instructions.

                                  Page 2 of 3
<PAGE>

       SPECIFICATIONS: ALGO(TM) MODEL 2E COLOR NEWBORN HEARING SCREENER

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

Technical Specifications (continued)
------------------------------------

 .    Patient demographic filed for automatic transfer of entered information
     into data tracking system. Fields to include high risk indicators for
     hearing impairment.

 .    Data management system output in standard ASCII format via floppy diskette.

 .    On screen "HELP" instructions.

 .    Built-in printer which automatically prints the screening results onto
     labels.

 .    Compatible with patented, single-use Ear Couplers(R) ear phones for ambient
     noise attenuation.

 .    Compatible with single-use Jelly Button(R) sensors for maximum conductivity
     and minimum neonatal skin irritation.

 .    Display a visual warning to the user if the electrode impedance drifts
     above acceptable range during a test.

 .    Screening station cart for mobility and convenient supply storage.

 .    Extended Warranty shall be available upon expiration of the Warranty
     period.

Physical Characteristics
------------------------

 .    Dimensions:

     Detachable screening module:    Laptop Open:   13.5" high x 13.5" wide x
                                                    16.5" deep
                                     Laptop Closed: 5.5" high x 13.5" wide x
                                                    16.5" deep

                                     Weight: 21 pounds (9.55 kg).

     Screening station:              34.5" high x 18" wide x 18" deep

                                     Weight: 40 pounds (18.2 kg)

 .    Certified to comply with UL 544, CSA 601, and EN60601-1-2 (pending)

                                  Page 3 of 3
<PAGE>

[LOGO]                                  NATUS
Newborn Hearing Screener

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

Newborn Hearing Screener

[GRAPHIC OMITTED]

AABR(TM) AUTOMATED AUDITORY BRAINSTEM RESPONSE TECHNOLOGY: SPECIFICALLY
CONCEIVED FOR NEWBORN HEARING SCREENING

     Natus patented AABR technology is based upon the "Gold Standard" auditory
brainstem response (ABR) test, used for diagnostic assessment of hearing
impairment for over twenty years. AABR technology results from fundamental
consideration of the challenges of newborn hearing screening.

     . Accuracy, sensitivity and specificity are essential.

     . Objectivity; pass/refer results, no professional interpretation.

     . Ease of use; fast, cost-effective screening.

     Natus' AABR technology screens the entire hearing pathway, from the ear to
the brainstem - the most complete approach available to detect hearing
impairment.

     The ALGO screener is the only device which has been designed and clinically
tested specifically to screen newborns for hearing impairment, and has been
clinically proven to be both highly sensitive and specific.

IDEALLY PACKAGED FOR A RANGE OF SCREENING SETTINGS

     Weighing less than five pounds, the ALGO Portable screener's compact size
makes it an ideal screening tool where portability is desired.

     Whether the baby is in the newborn nursery, the doctor's office, clinic or
even at home, the battery-operated ALGO Portable screener provides the
flexibility to screen newborns in a variety of settings.

NATUS: THE INDUSTRY LEADER

     Clinicians have relied on ALGO screeners for over a decade, and they are
currently used in successful newborn hearing screening programs in over 22
countries. ALGO screeners are accurate, objective and easy to use - the most
clinically appropriate, cost effective tools for newborn hearing screening.
<PAGE>

          SPECIFICATIONS: ALGO(TM) Portable Newborn Hearing Screener

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

Product:          ALGO(TM) Portable Newborn Hearing Screener

Warranty:         1 year parts and labor.

Manufacturer:     Natus Medical Incorporated
                  1501 Industrial Road
                  San Carlos, CA 94070-4111
                  (650) 802-0400
                  (800) 255-3901
                  Fax: (650) 802-0401
                  Customer_Service@natusmed.com

Newborn Hearing Screener includes:

                  Thermal Paper Printer
                  Battery Pack
                  Battery Charger
                  Patient cable assembly (PCA) and pre-amplifier cable
                  Carrying case
                  Acoustic transducer assembly cable
                  Acoustic check kit
                  Starter kit of supplies
                  User Manual

Supporting Clinical Education Supplies and Services included with the
instrument: (These services are typically available, but may be updated)
                  Clinical Education inservice training
                  Newborn Hearing Screening Program Book
                  Inservice packet
                  Press kit materials
                  Inservice training video
                  Parent education video

The ALGO is the only screener that uses patented AABR(TM) Automated Auditory
Brainstem Response technology to evaluate the ABR response with a clinically
proven algorithm. The theoretical sensitivity of the instrument is 99.96%

Instrument Requirements
-----------------------

 .    Instrument must provide Pass/Refer results which are objective, easily
     understood and do not require interpretation.

 .    Results must be available immediately after screen, before time of patient
     discharge.

 .    Instrument must provide screen of complete hearing pathway from ear to
     brainstem.

 .    Instrument must be simple to use, requiring minimal training to reach
     proficiency.

 .    Instrument must be non-invasive, requiring nothing be inserted into the
     ear.

                                  Page 1 of 3
<PAGE>

          SPECIFICATIONS: ALGO(TM) PORTABLE NEWBORN HEARING SCREENER

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

Technical Specifications
------------------------

Instrument shall have:

 .    AABR Automated Auditory Brainstem Response technology, for automatic
     waveform template matching and recognition at 35 dB nHL.

 .    Preamp and Amplifier: Gain in 105 dB; the Output Voltage is + 12 VDC with a
     CMRR of more than 80 dB; Notch Filer is -12 dB @ 60 Hz, -12 dB @ 50 Hz;
     Bandpass Filter between the ranges of 0.05-1.5 kHz, 6 dB/octave high pass,
     24 dB/octave low pass; Input Noise is 0.8V rms @ 0.05-1.5 kHz.

 .    Dual Artifact Rejection System: Myogenic noise rejection filter of 2 (mu)V
     rms @ 275 Hz and Ambient noise rejection filter of 50 dB SPL @ 2 kHz. The
     instrument must also display a visual warning if either the myogenic or
     ambient noise rejection system has been employed.

 .    Display, and automatic printout, of objective Pass/Refer result: likelihood
     ration (LR) and the number of sweeps (SWP) required for both the left and
     right ear separately.

 .    Display of appropriate impedance measurements.

 .    Ability to screen ears sequentially.

 .    Stimulator with click duration of 100 (mu)sec, intensity of 35 dB nHL, with
     alternating polarity. The acoustic frequency spectrum must be 700-5000 Hz
     (+/- 10 dB).

 .    Sweep rate of 37.3 pulses/sec. Sweep count of 15,000 maximum.

 .    Battery pack used as power supply.

 .    Thermal paper printer which automatically prints the results. Printer
     output includes Pass or Refer, LR, and number of sweeps.

 .    Compatible with patented patient-dedicated disposable Ear Couplers(R) ear
     phones for ambient noise attenuation.

 .    Compatible with Jelly Buttons(R) sensors for maximum conductivity and
     minimum neonatal skin irritation.

 .    Display a visual warning to the user if the electrode impedance drift above
     acceptable range during a test.

 .    Carrying case for mobility of testing.

 .    Extended Warranty shall be available upon expirations of the Warranty
     period.

                                  Page 2 of 3
<PAGE>

          SPECIFICATIONS: ALGO(TM) PORTABLE NEWBORN HEARING SCREENER

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

Physical Characteristics
------------------------

 .    Dimensions (screener):   8.0 x 9.2 x 2.6 inches (H x W x D)
                              20.2 x 23.2 x 6.6 cm

 .    Weight (with battery):   4.25 lbs. (1.93 kg)

                                  Page 3 of 3
<PAGE>

Co-stat(TM)
End Tidal Breath Analyzer

                                                                           NATUS

[GRAPHIC OMMITTED]

Revealing More About Neonatal Jaundice Than Ever Before

IDENTIFYING HEMOLYSIS - A CRITICAL COMPONENT IN THE MANAGEMENT OF NEONATAL
JAUNDICE.

     The CO-Stat end Tidal Breath Analyzer is the only device available for use
in the neonatal nursery to non-invasively detect the presence of hemolysis,
assisting in the rapid identification of those at risk for hyperbilirubinemia or
other hemolytic disease. The ability to accurately identify the presence or
absence of hemolysis provides one of the most clinically significant pieces of
information necessary for the effective management of neonates with jaundice and
hyperbilirubinemia. Early detection of at-risk patients aids in different
diagnosis and more appropriate follow-up, allowing for cost-effective care and
optimal patient outcomes.

BILIRUBIN PRODUCTION - A MORE DIRECT MEASURE OF HEMOLYSIS.

     Neonates are commonly evaluated with a series of laboratory tests to
identify those infants with jaundice caused by hemolytic disease, since they are
at higher risk of bilirubin toxicity and require more aggressive treatment.*
However, due to their lack of sensitivity and specificity, currently available
laboratory tests make the diagnosis of hemolysis, or its exclusion, elusive.*
Because heme degradation yields equimolar concentrations of carbon monoxide (CO)
and bilirubin, end tidal carbon monoxide (ETCO) provides an estimation of the
rate of bilirubin production and a more direct measure of hemolytic rate.*
<PAGE>

                                   EXHIBIT B

                           NON-PRICE SPECIFICATIONS

Please include in this Exhibit information on what assistance your company will
offer our hospitals in the development, implementation and maintenance of their
universal infant hearing screening programs.

                                 See attached

Term of Contract -- February 1, 2000 through January 31, 2003, with two optional
one-year extensions.

Novation marketing fee -- [***]

For "Super Committed" participation level, an additional [***] fee will be
added for the [***].

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

CLINICAL EDUCATION              NATUS

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

SUCCESSFUL SCREENING PROGRAMS REQUIRE NOT ONLY ADVANCE TECHNOLOGY, BUT
COMPREHENSIVE TRAINING AND SUPPORT.

     More than just a developer of the most advanced medical equipment, Natus is
committed to supporting every aspect of a newborn hearing screening program.
Highly qualified clinical educators provide every customer with comprehensive,
hands-on training. Our customers receive educational tools designed for a
diverse screening staff, from neonatologists to volunteers, and support
materials for program follow-up.

     With every ALGOTM Newborn Hearing Screener, you receive the best equipment
available, as well as comprehensive training materials, including educational
videos and handbooks with examples of successful ALGO screening programs
nationwide.

     The ALGO screener's standardized technology combined with the expertise of
our clinical educators allows you to focus on patient care. Natus is the only
company with the capacity an experience required to implement universal newborn
screening at any level, in hospital or state-based programs.

     Helping you meet the standard of care in your hospital community, and
state. That's Natus.

NATUS MEDICAL CLINICAL EDUCATION INCLUDES:

 .    On-Site Inservice training

 .    Newborn Hearing Screening Program Handbook

 .    Inservice and Parent Educational Videos

 .    Clinical References

 .    Ongoing Customer and Technical Support

 .    Ongoing Program Support

[GRAPHIC OMITTED]

Natus Medical Inc.
1501 Industrial Road
San Carlos, CA  94070-4111
650-802-0400
800-255-3901
Fax: 650-802-0401
Customer_Service@natusmed.com
www.natus.com
<PAGE>

                                   EXHIBIT C

                              SPECIAL CONDITIONS

                   This page was intentionally left blank.
<PAGE>

                           [LETTERHEAD OF NOVATION]

                                   EXHIBIT D
                                   ---------

                                 Award Letter

December 15, 1999

Ms. June Fallon
Vice President - Worldwide Sales
Natus Medical Inc.
1501 Industrial Road
San Carlos, CA 94070-4111

Subject: Acceptance of Bid (Supplier Agreement # CE 90270)

Dear Ms. Fallon:

Novation, LLC ("Novation"), acting in its capacity as agent for VHA, UHC, and
HPPI, respectively (and not collectively) and certain of their respective
subsidiaries and affiliates, accepts our sole-sourced proposal for universal
infant hearing screening equipment in response to our Invitation To Bid dated
May 7, 1999, which was signed and dated by you on June 25, 1999. Attached to
this letter is Exhibit Q of CE90270.

The "Agreed Percentage" for the Marketing Fee will be [***] and for the [***]
the Marketing Fee will be [***].

The Effective Date of this Agreement will be February 1, 2000.

Novation looks forward to a successful implementation of this Agreement.

Sincerely,

/s/ Eldon Petersen

Eldon Petersen
Group Senior Vice President
Novation, LLC

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

<PAGE>

                                   EXHIBIT E

                 FORMS OF PURCHASE, LEASE, LICENSE, FINANCING
                           AND/OR SERVICE AGREEMENTS

  Financing: Natus agrees to cooperate with Member's request for alternative
  financing which may be offered through third parties upon Natus' review and
                        acceptance of any such program.
<PAGE>

                                   EXHIBIT F

                           MINIMUM DELIVERY SCHEDULE

                         Delivery of Hardware: [***]
                         Delivery of Supplies: [***]

   These terms are part of our standard terms noted on all quotations. Terms
  are also confirmed with the customer via fax and/or phone when the order is
                                   received.

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

                                   EXHIBIT G

                              LIQUIDATED DAMAGES

                              Not applicable-None
<PAGE>

                                   EXHIBIT H

               TERMS AND CONDITIONS FOR NEW TECHNOLOGY EXCHANGE

  As offered and available, upgrades and trade-ins allowances will be offered
to Novation Members at a [***] at or [***] or [***] to [***] who [***] at a
[***] or [***].

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

                                   EXHIBIT I

                               SITE PREPARATION

                                Not applicable
<PAGE>

                                   EXHIBIT J

                             INSTALLATION/ASSEMBLY

                                Not applicable
<PAGE>

                                   EXHIBIT K

                    SCHEDULE OF TECHNICAL SERVICE TRAINING

                                Not applicable
<PAGE>

                                   EXHIBIT L

                                   WARRANTY

Warranty is valid for one year from the date of purchase.
<PAGE>

================================================================================

WARRANTY - ALGO(TM) NEWBORN HEARING SCREENER

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

Standard Warranty

Natus Medical Inc. warrants to the initial Purchaser that each new "Warranted
Product" purchased hereunder will be free from defects in workmanship and
materials for a specified period of one year ("Warranty Period") from the date
of its initial shipment to Purchaser. "WARRANTED Products" consist solely of (a)
each product which expressly states that the product includes a warranty for a
specified time period (the Warranty Period for that product), and (b) those
other Natus products for which express warranties are given and Warranty Periods
are stated in the user manuals or package inserts for such products. Repair or
replacement of Products under this warranty does not extend the Warranty Period.

Natus' only obligations under this warranty are (1) to repair or replace any
Warranted Product (or part thereof) that Natus reasonably determines to be
covered by this warranty and to be defective in workmanship or materials and (2)
to provide loaner equipment in the circumstances stated below.

To request repair or replacement under this warranty, Purchaser should contact
Natus at 1501 industrial Road, San Carlos, California 94070, 1-800-255-3901 or
650-802-0400. If, on the basis of the information provided by Purchaser, Natus
reasonably believes that the defect is covered by this warranty, Natus will
authorize Purchaser to return the Warranted Product (or part thereof) to Natus.
If the Warranted Product is to be repaired rather than replaced, Natus will
promptly ship a comparable loaner product for use by Purchaser during the period
that the Warranted Product or part is at the Natus facility for service. Natus
shall determine whether to repair or replace products and parts covered by this
warranty and all Products or parts replaced shall become property of Natus. In
the course of warranty service, Natus may, but shall not be required to, make
engineering improvements to the Warranted product or part thereof.

Loaner Policy

Purchaser is responsible for any damage to or loss of any loaner equipment while
it is at Purchaser's location. Purchaser must return loaner equipment within 14
days after receiving the repaired or replaced product or receiving notice from
Natus that the Product returned by Purchaser is not covered by warranty. If
Purchaser does not return loaner equipment within 14 days after the return due
date, then Purchaser agrees to pay Natus reasonable value of the loaner
equipment or a reasonable daily rental fee, whichever Natus selects.

================================================================================
<PAGE>

Shipping Procedures

If Natus reasonably determined that a repair or replacement is covered by the
warranty, Natus shall bear the costs of shipping the loaner Product and the
repaired or replacement Product to Purchaser. All other shipping costs shall be
paid by Purchaser. Risk of loss or damage during shipments under this warranty
shall be borne by the party shipping the Product.

Products shipped by Purchaser under this warranty shall be suitably packaged to
protect the Product. If Purchaser ships a product to Natus in unsuitable
packaging, any physical damage present in the Product on receipt and inspection
by Natus (and not previously reported) will be presumed to have occurred in
transit and will be the responsibility of Purchaser.

Exclusions

This warranty does not extend to any Warranted Products or parts thereof: that
have been subject to misuse, neglect or accident; that have been damaged by
causes external to the Warranted Product, including by but not limited to
failure of or faulty electrical power; that have been used in violation of
Natus' instructions; that have been affixed to any nonstandard accessory
attachment; on which the serial number has been removed or made illegible; that
have been modified by anyone other than Natus; or that have been disassembled,
serviced or reassembled by anyone other than Natus, unless authorized prior to
such service by Natus. ALGO(TM) Newborn Hearing Screener calibration is not
covered under standard warranty service.

Natus makes no warranty (a) with respect to ALGO(TM) Newborn Hearing Screeners,
any other disposable products or any other products that are not Warranted
Products, (b) with respect to any products purchased from a person other than
Natus or a Natus-authorized distributor or (c) with respect to any product sold
under a brand name other than Natus.

THIS WARRANTY, TOGETHER WITH ANY OTHER EXPRESS WRITTEN WARRANTY THAT MAY BE
ISSUED BY NATUS, IS THE SOLE AND EXCLUSIVE WARRANTY AS TO NATUS' PRODUCTS,
EXTENDS ONLY TO THE PURCHASER AND IS EXPRESSLY IN LIEU OF ANY OTHER ORAL OR
IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. NATUS SHALL NOT BE LIABLE
FOR ANY INCIDENTAL, SPECIAL OR CONSEQUENTIAL LOSS, DAMAGE OR EXPENSE (INCLUDING,
WITHOUT LIMITATION, LOST PROFITS) DIRECTLY ARISING FROM THE SALE, INABILITY TO
SELL, USE OR LOSS OF USE OF ANY PRODUCT.

Extended Warranty

Extended warranties are available to cover the ALGO(TM) Newborn Hearing
Screener. An extended warranty covers all items listed under the standard
warranty agreement above and is valid for one year. The extended warranty also
covers ONE annual calibration. To inquire about pricing, please contact Natus
Technical Service.
<PAGE>

                                    EXHIBIT M

                                OPTIONAL SOFTWARE
                                 (if applicable)

                                 Not applicable
<PAGE>

                                    EXHIBIT N

                               PRICING RELATING TO
                            CUSTOMIZATION OF SOFTWARE
                                 (if applicable)

                                 Not applicable
<PAGE>

                                    EXHIBIT O

                       FORM OF SOFTWARE LICENSE AGREEMENT
                                 (if applicable)

                                  See attached

           Other third party commercial licenses available on request.
                             (i.e. NT, McAfee, etc.)
<PAGE>

NATUS SOFTWARE LICENSE AGREEMENT

IMPORTANT - READ CAREFULLY: This Natus Software License Agreement (NSLA) is a
legal agreement between you (either an individual or a single entity) and Natus
Medical Incorporated (Natus) for the software included with the ALGO(TM) Newborn
Hearing Screening System (ALGO System) and any software options or upgrades
supplied therewith, which includes computer software and associated media,
printed materials, and "online" or electronic documentation ("SOFTWARE
PRODUCT"). By installing or otherwise using the SOFTWARE PRODUCT, you agree to
be bound by the terms of this NSLA. If you do not agree to the terms of this
NSLA, do not install or use the SOFTWARE PRODUCT; you may, however, return it
and the rest of the ALGO System to the company or authorized distributor from
which you purchased it for a full refund by following the procedure for
authorized product returns set forth in the materials supplied with the product.

SOFTWARE PRODUCT LICENSE

The SOFTWARE PRODUCT is protected by copyright laws and international copyright
treasures, as well as other intellectual property laws and treaties. The
SOFTWARE PRODUCT is part of a medical device and may not be modified in any way.
The SOFTWARE PRODUCT is licensed, not sold.

1.     GRANT OF LICENSE.  This NSLA grants you the following rights:

1.1    License. You may install and use one copy of the SOFTWARE PRODUCT on the
ALGO System with which it was supplied.

1.2    Limitations on Modification, Reverse Engineering, Decompilation, And
Disassembly. You may not nor may you allow or encourage any third party to,
modify, reverse engineer, decompile, or disassemble the SOFTWARE PRODUCT, except
and only to the extent that such activity is expressly permitted by applicable
law notwithstanding this limitation.

1.3    Separation of Components. The SOFTWARE PRODUCT is licensed as a single
product. Its component parts may not be separated for use on more than one
computer.

1.4    Rental. You may not rent, lease, or lend the SOFTWARE PRODUCT.

1.5    Software Transfer. You may not sell, lend, lease, or otherwise transfer
the SOFTWARE PRODUCT to any third party without Natus' prior written consent
which Natus may withhold at its sole discretion.

1.6    Termination. Without prejudice to any other rights, Natus may terminate
this NSLA if you fail to comply with the terms and conditions of this NSLA. In
such event, you may not use the SOFTWARE PRODUCT or any of its component parts
in any way.

2.     COPYRIGHT. All title and copyrights in and to the SOFTWARE PRODUCT
(including but not limited to any images, photographs, animations, video, audio,
music, text, and "applets" incorporated into the SOFTWARE PRODUCT), the
accompanying printed materials, and any copies of the SOFTWARE PRODUCT are owned
by Natus or its suppliers. The SOFTWARE PRODUCT is protected by copyright laws
and international treaty provisions. Therefore, you must treat the SOFTWARE
PRODUCT like any other copyrighted material except that you may install the
SOFTWARE PRODUCT on the ALGO System with which it was supplied. You may not copy
the printed materials accompanying the SOFTWARE PRODUCT.

3.     U.S. GOVERNMENT RESTRICTED RIGHTS. If you are acquiring the SOFTWARE
PRODUCT on behalf of any part of the United States Government, the following
provisions apply. The SOFTWARE PRODUCT and accompanying documentation are deemed
to be "commercial
<PAGE>

computer software" and "commercial computer software documentation" respectively
pursuant to DFAR Section 227 7202 and FAR 12.212(b), as applicable. Any use,
modification, reproduction, release, performance, display, or disclosure of the
SOFTWARE PRODUCT and/or the accompanying documentation by the U.S. Government or
any of its agencies shall be governed solely by the terms of this NSLA and shall
be prohibited except to the extent expressly permitted by the terms of this
NSLA. Any technical data provided that is not covered by the above provisions is
deemed to be "technical data-commercial items" pursuant to DFAR Section
227.7015(a). Any use, modification, reproduction, release, performance, display,
or disclosure of such technical data shall be governed by the terms of DFAR
Section 227.7015(b).

4.     MISCELLANEOUS

4.1    Governing Law. This NSLA is governed by the laws of the State of
California (without regard to its conflict of law rules).

4.2    Severability. In the event that any court of competent jurisdiction
declares any portion of this NSLA invalid or otherwise unenforceable, the
remainder of this NSLA shall remain in force and shall be unaffected by such
invalidity or unenforceability.

4.3    Entire Agreement. This NSLA constitutes the entire agreement between the
parties pertaining to the subject matter hereof and supersedes all prior and
contemporaneous agreements, negotiations, and understandings, oral or written.

5.     LIMITED WARRANTY

5.1    Warranty. The SOFTWARE PRODUCT is warranted as part of the ALGO System.
The warranty for the product is set forth in the documentation for the product.

5.2    Disclaimer. NATUS DOES NOT WARRANT THAT THE SOFTWARE PRODUCT WILL BE
ERROR FREE OR THAT ITS USE WILL BE UNINTERRUPTED. THE WARRANTY SPECIFIED IN
PARAGRAPH 5.1 IS THE SOLE WARRANTY APPLICABLE TO THE SOFTWARE PRODUCT AND NATUS
HEREBY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT
LIMITATION THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
AND NONINFRINGEMENT.

6.     INDEMNIFICATION OF NATUS. You hereby indemnify Natus, its officers,
directors, and employees, and agree to defend and hold them harmless from and
against any and all fines, liability, damage, loss, or expense (including
reasonable attorneys fees) arising from any third party claim, demand, action,
or proceeding based upon (a) any operation or failure of the ALGO System caused
by any improper maintenance of, modification of, or tampering with the SOFTWARE
PRODUCT or any other portion of the ALGO System by you or any third party, (b)
any operation or failure of the ALGO System caused by your failure to install
any updated or corrected software provided to you directly or indirectly by
Natus, or incurred in the settlement or avoidance of any such claim, provided,
however, that Natus shall give prompt notice to you of the assertion of any such
claims and provided further that you shall have the right to select counsel and
participate (at your own expense) in the defense thereof.

7.     CONFLICT WITH REGULATORY REQUIREMENTS. In the event of any conflict
between the terms of this NSLA and any law, or federal or state medical device
regulations, such law or regulations shall prevail and the conflicting
provisions of this NSLA shall be deemed inoperative.
<PAGE>

                                   EXHIBIT P

                        OTHER INFORMATION REQUIREMENTS

     Novation and Supplier desire to facilitate contract administration
transactions ("Transactions") by electronically transmitting and receiving data
in agreed formats in substitution for conventional paper-based documents and to
assure that such Transactions are not legally invalid or unenforceable as a
result of the use of available electronic technologies for the mutual benefit of
the parties.

     The parties agree as follows:

1.   Prerequisites.

     a.   Documents: Standards. Each party will electronically communicate to or
          --------------------
receive from the other party all of the required documents listed in the
Novation Electronic Communication Requirements Schedule attached hereto
(collectively "Documents"). All Documents will be communicated in accordance
with the standards set forth in the applicable sections of the Novation
Information Requirements Guidebook ("Guidebook"). Supplier agrees that the
Guidebook is the Confidential Information of Novation and will not disclose
information contained therein to any other party.

     b.   Third Party Service Providers. Documents will be communicated
          -----------------------------
electronically to each party, as specified in the Guidebook, through any third
party service provider ("Provider") with which either party may contract or
VHAseCure.net(TM). Either patty may modify its election to use, not use or
change a Provider upon thirty (30) days' prior written notice. Each party will
be responsible for the costs of any Provider with which it contracts. unless the
parties otherwise mutually agree in writing.

     c.   Signatures. Each party will adopt as its signature an electronic
          ----------
identification consisting of symbol(s) or code(s) which are to be affixed to or
contained in each Document transmitted by such party ("Signatures"). Each party
agrees that any Signature of such party affixed to or contained in any
transmitted Document will be sufficient to verify such party originated and
intends to be bound by such Document. Neither party will disclose to any
unauthorized person the Signatures of the other party.

2.   Transmissions.
     -------------

     a.   Verification. Upon proper receipt of any Document, the receiving party
          ------------
will promptly and properly transmit a functional acknowledgment in return,
unless otherwise specified in the Guidebook.

     b.   Acceptance. If acceptance of a Document is required by the Guidebook,
          ----------
any such Document which has been properly received will not give rise to any
obligation unless and until
<PAGE>

the party initially transmitting such Document has properly received in return
an Acceptance Document (as specified in the Guidebook).

     c.   Garbled Transmission. If any properly transmitted Document is received
          --------------------
in an unintelligible or garbled form, the receiving party will promptly notify
the originating party (if identifiable from the received Document) in a
reasonable manner. In the absence of such a notice, the originating party's
records of the contents of such Document will control.

3.   Transaction Terms.

     a.   Confidentiality. No information contained in any Document or otherwise
          ---------------
exchanged between the parties will be considered confidential, except to the
extent provided by written agreement between the parties, or by applicable law.

     b.   Validity: Enforceability. Any Document properly transmitted pursuant
          ------------------------
to this Agreement will be considered, in connection with any Transaction, to be
a "writing" or "in writing"; and any such Document when containing, or to which
there is affixed, a Signature ( "Signed Documents") will be deemed for all
purposes to have been "signed" and to constitute an "original" when printed from
electronic files or records established and maintained in the normal course of
business.

4.   Standards.

ASC x 12 - Novation Information Requirements Guidebook

5.   Third Party Service Providers.

(If the parties will be transmitting Documents directly, insert "NONE")

Company       Van Name        Address                    Telephone
-------       --------        -------                    ---------
                              Number
                              ------

Novation     AT&T             12976 Hollander Drive      800/624-5672
                              Bridgeton, MO 63044

                                      -2-
<PAGE>

            NOVATION ELECTRONIC COMMUNICATION REQUIREMENTS SCHEDULE

This form is being completed by: June Fallon        Date: 11-17-99
                                 -----------------        -------------
                                   (Your Name)

Your Company Name: Natus Medical Inc.          Your Title: VP - Field Operations
                   --------------------------              ---------------------

Phone: (800) 255-3901     E-mail: jfallon@natus.com    Fax: (650) 802-6620
       -----------------          -------------------       -------------------

Please complete the following questionnaire. Your answers to the following will
be used for planning purposes by the Novation Information Services staff. If
your company can already send the listed electronic information, please note
this in the date field.

<TABLE>
<CAPTION>
-----------------------------------------------------------------------------------------------------------------------------------
                                                                                                        WHEN WILL YOUR
                                                                                                       COMPANY MEET THIS
NOVATION REQUIREMENT                                    NOVATION EXPECTATION                         REQUIREMENT (MM/DD/YY)
-----------------------------------------------------------------------------------------------------------------------------------
<S>                                                <C>                                         <C>
Requirement 1:   New Contract Launch               This only applies to new contracts          Your Novation product manager will
                                                   unless your company never provided          address this as new contacts are
                 See Section 4.2                   this information.  If needed, your          negotiated
                                                   Novation product manager will contact
                                                   you.
                                                   Due at Contract Signing
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 2:   Ongoing Contract Maintenance      Novation must receive contract item         Date: 11/17/99
                                                   and pricing updates as prices change,
                 See Section 4.3                   and when items are added or deleted         Will send information via (check one)
                                                   form contract.                                  (   )    EDI 832
                                                   Due 60 days prior to the effective              ( X )    Novation Interim
                                                   date of the line item add/delete/change                  File Format
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 3A   Summary Sales Reporting           Current paper reports must be                Date: 11/17/99
                                                   converted to electronic reporting
                 See Section 4.4.2                 immediately.  This will not be needed        You will report sales by
                                                   once your company can report line item          (  ) LIC or (  ) HIN (x) Zip code
                                                   sales.  See Requirement 3B.                  One or the other MUST BE USED
                                                   Due at the first contract reporting
                                                   period.
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 3B:  Detailed Line Item Sales          Instead of monthly summary reports,          Date: 11/17/99
                 Reporting                         detailed line item reports will be           You will report sales by
                                                   sent electronically.  Plan for a             ( ) LIC Number or ( ) HIN Zip Code
                 See Section 4.4.3                 90-day testing period before
                                                   stopping Requirement 3A.                     (x) Interim file or (  )EDI 867
                                                   Begin testing within 120 days of             If using interim file, proposed
                                                   contract effective date                      date for converting to EDI
                                                                                                Date: unknown
                                                                                                One of the other MUST BE USED
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 4:   Membership                        You must be able to receive and              Date: 11/17/99
                                                   process periodic membership updates
                 See Section 4.5                   Due immediately                                e-mail
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 5:   Commitment Forms                  Details which members have and have          Date: 11/17/99
                                                   not signed your contract enrollment
                                                   forms, if needed.
                 See section 4.6                   Due immediately, if applicable                 e-mail
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 6:   Sales Representative Contract     Able to update Sales Representative          Date: 11/17/99
                 Information                       information from a Business Partner
                                                   Repository System download.                    e-mail
                 See Section 4.7                   Due within 30 days of contract signing.
-----------------------------------------------------------------------------------------------------------------------------------
Requirement 7:   Product Cross-referencing         Able to update the items on contract         Date: 11/17/99
                                                   with competitive cross-reference
                                                   information.
                 See Section 4.8                   Due within 90 days of contract signing         e-mail
-----------------------------------------------------------------------------------------------------------------------------------
Business Partner Repository System (BPRS) Access   Able to connect to Novation BPRS via         Date: 11/17/99
                                                   the VHAseCURE.net(TM).                       How many of our company employees
                 See Section 3.0                   Due within 60 days of contract signing.      need access to your Novation BPRS
                                                                                                site? 5
-----------------------------------------------------------------------------------------------------------------------------------
                                                     Return within 30 Days to:
             Bill King, Manager, Supply Partner Operations, Novation LLC, 220 East Las Colinas Blvd., Irving, TX 75039
                            Telephone: (972) 581-5022, Fax: (972) 581-5154, E-mailbking@novationco.com
</TABLE>
                                      -3-
<PAGE>

                                   EXHIBIT Q
                           AGREEMENT EXCEPTION FORM

Supplier Name: Natus Medical Inc.
               ------------------

Printed Name:  June Fallon
               -----------

Authorized
Signature:     /s/  W. H. Lawrenson
               ---------------------
               W. H. LAWRENSON, CFO

Title:         Vice President-Field Operations                   Date: 11/23/99
               -------------------------------                         --------

The agreement is hereby amended by the following items:

Page 1. Section 1a. Introduction - Purchasing and Leasing Opportunities for
        Members. End of section.

        -Add "Not withstanding the above, Member will not include any Supplier
         customer that, at the time of placing an order, declares themselves to
         be a member of a different buying group, or who maintains they are not
         a member of Novation. Supplier will keep Novation apprised of apparent
         differences in memberships.

Page 2. Section 2c. Contract Award - [***] Terms. 2/nd/ sentence. -After second
        reference to [***] add [***]

Page 2. Section 2c. Contract Award - [***] Terms. 4/th/ sentence.
        -Change sentence to read, "If at any time during the [***] any [***]
         that [***] or [***] are [***], [***] may provide [***] of such [***] to
         [***], and [***] within [***] days for [***] and within [***] days for
         all other [***], advise [***] in [***] of and [***] will [***] agree
         that [***] will [***]."
        -Add "The parties shall [***] to reach such [***]."

Page 2. Section 2e. Contract Award - Notification of Changes of Pricing and
        Terms. 1/st/ sentence.
        -Change [***]
        -Delete [***] to [***].
        -Change "change" to [***]

Page 2. Section 2e. Contract Award - Notification of Changes of Pricing and
        Terms. 2/nd/ sentence.
        -Delete sentence.

Page 3. Section 2f. Contract Award - Underutilized Businesses. 2/nd/ sentence.
        -After 2/nd/ reference to "Novation" add "commercially reasonable"
        -After the word "programs" add "of which Member informs Novation in
         writing"

Page 3. Section 2f. Contract Award - Underutilized Businesses. End of section.
        -Add to end of section. "Information will be supplied to Novation as is
         routinely available from Supplier."

Page 3. Section 3b. Terms and Termination - Termination by Novation. Subsection
        (1).

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

         -After "Agreement" add "after being given [***] prior written notice of
          breach and opportunity to cure, except for a breach of either Section
          9 or Section 13, for which there shall be no cure period."

Page 3. Section 3b. Term and Termination - Termination by Novation. Last
sentence.
         -The number [***] is changed to [***].

Page 3. Section 3c. Termination by Supplier.
         -Add to end of sentence "and may terminate immediately if Novation
          is in breach of Section 13."

Page 3. Section 4a. Product Supply - Delivery and Invoicing. 1/st/ sentence.
         -Change "destination" to [***].

Page 3. Section 4a. Product Supply - Delivery and Invoicing 2/nd/ sentence.
         -Change "absorb" to [***].

Page 4. Section 4a. Product Supply - Delivery and Invoicing. 4/th/ sentence.
         -After the word "needs" add "and when mutually agreed to at the time
          of order."

Page 4. Section 4a. Product Supply - Delivery and Invoicing. Last sentence.
         -After last reference to "Agreement" add "unless otherwise agreed to
          by Member."

Page 4. Section 4b. Product Supply - Supplies. Second sentence.
         -After the "All" add "reasonable".
         -After the word "Supplies" add "as long as all Product recommendations
          and Directions for use are in full compliance."

Page 4. Section 4c. Product Supply - Product Fill Rates; Confirmation and
Delivery Times. 2/nd/ sentence.
         -After the word "via" add "either hard copy or by"
         -Change [***]
         -Delete all words after the 2/nd/ reference to the word "within"
         -After the 2/nd/ reference to the word "within" add "specified and
          usual delivery terms."

Page 4. Section 4d. Product Supply - Manuals/Schematics/Inspection Procedures.
2/nd/ sentence.
         -After the word "manuals" add "for user maintained items in accordance
          with Supplier's Product warranty and guidelines"

Page 4. Section 4d. Product Supply - Manuals/Schematics/Inspection Procedures.
Last sentence.
         -Change "two (2) to [***]

Page 4. Section 4f. Product Supply - Discontinuation of Products; Changes is
Packaging. 1/st/ sentence.
         -After "unilateral right" add "unless implemented on a national basis
          to all customers"

Page 4. Section 4f. Product Supply - Discontinuation of Products; Changes in
Packaging. 2/nd/ sentence.
         -Change [***] to [***]

Page 4. Section 4f. Product Supply - Discontinuation of Products; Changes in
Packaging. 3/rd/ sentence.
         -After "Novation's agreement" add "which agreement will not be
          unreasonably withheld,"

Page 5. Section 4f. Product Supply - Discontinuation of Products; Changes in
Packaging. 4th sentence Part (ii).
         -Add [***]

Page 5. Section 4f. Product Supply - Discontinuation of Products, Changes in
Packaging. 4th sentence Part (iii).

         -Add [***]

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

Page 5. Section 4h. Product Supply - New Technology. 1/st/ sentence.
        -After "thereof" and "when such technology is ready for the market."

Page 5. Section 4i. Product Supply - Product Acceptance. Entire Section.
        -Delete in its entirety.
        -Replace with "At the [***] of the [***], [***] will [***] with an [***]
         and a [***] at [***] to the [***] for the [***] the [***] of the [***]
         for a period not to exceed [***]. [***] will [***] return [***] at the
         [***] of the [***]."

Page 6. Section 4j. Product Supply - Site Preparation.
        -Delete in its entirety as section is not applicable.

Page 6. Section 4k. Product Supply - Installation/Assembly.
        -Delete in its entirety as section is not applicable.

Page 6. Section 4l. Product Supply - Installation/Environmental Issues. 1/st/
sentence.
        -"Supplier" is changed to [***].

Page 6. Section 4m. Product Supply - Member Services. 2/nd/ sentence.
        -After the word "and" add ", if applicable,".
        -After first reference to "representatives" delete remainder of
         sentence.

Page 6. Section 4n. Product Supply - Training. 1/st/ through 4/th/ sentences.
        -Delete in their entirety.

Pages 6 and 7. Section 4n. Product Supply - Training. 5/th/ sentence.
        -Delete "In addition,".
        -After the word "provide" add "reasonable, mutually agreeable".
        -Change [***] to [***].
        -Change "for the period required" to "for a reasonable period as
         required"

Page 7. Section 4n. Product Supply - Training. Last sentence.
        -Change "Member" to "Member (original owner)".
        -Change "the life" to "the reasonable life".
        -Change "no additional charge" to [***].
        -Delete "regardless of where training is performed".

Page 7. Section 4o. Product Supply - Product Deletion.
        -Delete entire Section.

Page 7. Section 4p. Product Supply - Return of Products. 1/st/ sentence.
Subsection (1).
        -Delete "ordered or"

Page 7. Section 4p. Product Supply - Return of Products. 1/st/ sentence.
Subsection (2).
        -After "nonconforming" add "through no act or omission of the Member;"

Page 7. Section 4p. Product Supply - Return of Products. 2/nd/ sentence.
        -Delete "under any of the following circumstances: (1) the Supplies are
         no longer needed by the Member due to deletion from its standard supply
         list or changes in use patterns, provided the Supplies are returned
         at least (6) months prior to their expiration date and are in re-
         saleable condition; or (2)"
         -After "Supplier" add "if"

Page 7. Section 4q. Product Supply - Failure to Supply. 1/st/ sentence.

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

         -After the word "sources" add ", as may be specified in the Product
          Documentation and labeling from time to time.

Page 7. Section 4q. Product Supply - Failure to Supply. End of section.
         -Add [***] of any [***] shall be [***] to the extent that [***] is
          [***] by [***] or [***] or [***]. [***] in [***] shall [***] have
          [***] for any [***] or [***], [***] and on [***], whether for [***]
          (including [***]) or otherwise, [***] this [***] including but not
          limited to [***] such [***] has been [***] of the [***] of [***].
          These [***] shall [***] any [***] of any [***]. The [***] such [***]
          from [***] shall have used [***] to [***] the [***] of the [***] and
          [***]. If such [***] occurs [***] for a [***] or [***], the [***] not
          [***] the [***] may [***] upon [***] to the [***]."

Page 8. Section 5a. Product Quality - Free From Defects. 3rd sentence
         -After "will" add "substantially".

Page 8. Section 5a. Product Quality - Free From Defects. 7/th/ sentence.
         -Change "widespread failure" to read "a general recall".
         -Delete "credit or".
         -Delete "at its option".

Page 8. Section 5a. Product Quality - Free From Defects. Last sentence.
         -End of sentence add "elsewhere under this Agreement".

Page 8. Section 5b. Product Quality - Warranty Service. 2/nd/ sentence.
         -After "reason" add "due to the fault of the Supplier".

Page 8. Section 5b. Product Quality - Warranty Service. Last sentence.
         -After the last "Member" add "per Supplier's Technical Services
          Terms and Conditions".

Page 8. Section 5c. Product Quality - Replacement Parts. 1/st/ sentence.
         -After "assembles", add "if available".

Page 8. Section 5c. Product Quality - Replacement Parts. 4/th/ sentence.
         -Delete entire sentence.

Page 8. Section 5c. Product Quality - Replacement Parts. Last sentence.
         -After the word "longer" add "for parts it manufactures, or its
          third party vendor's standard warranty for parts it purchases."

Page 8. Section 5d. Product Quality - Service Response Time. 1/st/ sentence.
         -Delete "guarantees".
         -After "Supplier" add "will make best efforts to provide"
         -Change "one (1)" to [***].
         -After the word "phone" delete [***]
         -Delete "service".
         -After the word "equipment" add "; on-site service is not appropriate
          or not available."

Page 9.  Section 5e. Product Quality - Up Time Guarantee. 2/nd/ paragraph.
Sentences 2, 3, 4.
          -Delete [***].

Page 9.  Section 5e. Product Quality - Up Time Guarantee. 2/nd/ paragraph.
Sentence 5.
          -Delete [***].

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

          -After [***] add "as is supported by continuous auditable written
           records of such up time"

Page 9.  Section 5g. Product Quality-Upgrades. 2/nd/ sentence.
          -Change "given" to "offered".
          -Change [***] to [***] at [***] any such [***] becomes [***].

Page 9.  Section 5g. Product Quality-Ugrades. 3/rd/ sentence.
          -Delete in its entirety

Page 9.  Section 5g. Product Quality - Upgrades. End of section.
          -Add "Documentation will be made available to assist users in the
           installation".

Page 9.  Section 5h. Product Quality - Customization Software.
          -Delete in its entirety.

Page 10. Section 5i. Product Quality-Operation Software. 3/rd/ sentence.
          -After "software" add "proprietary to Supplier and commercially
           available".
          -After "Member" add "only to the extent licensed by the Supplier"

Page 10. Section 5i. Product Quality-Operation Software. 2nd sentence
          -After "Member" add only to the extent licensable by Supplier"

Page 10. Section 5i. Product Quality-Operation Software. 3rd sentence
          -After "software" add "and commercially available"

Page 10. Section 5i. Product Quality-Operation Software. Last sentence.
          -Change "be installed within two (2) weeks after release" to "be
           user installable".

Page 10. Section 5j. Product Quality-Diagnostic Software. Entire Section.
          -Delete in its entirety

Page 10. Section 5k. Product Quality-Data Conversion/Interfaces. 1/st/ sentence.
          -Change "perform" to "support".
          -After 2/nd/ reference to "conversion", add "by providing information
           normally provided by Supplier which may be useful in the Member's
           data conversion".

Page 10. Section 5k. Product Quality-Data Conversion/Interfaces. 2/nd/ sentence.
          -Delete in its entirety.

Page 10. Section 5k. Product Quality-Data Conversion/Interfaces. 3/rd/ sentence.
          -After "requested" add "and publicly available as requested".

Page 10. Section 5k. Product Quality-Data Conversion/Interfaces. 5/th/ sentence.
          -Delete in its entirety.

Page 10. Section 51. Service Contract Cancellation.
         -Delete entire section.

Page 10. Section 5(m). Product Compliance.
         -After each reference to Products add "manufactured by or under the
          direction of Supplier".

Page 11. Section 5n. Product Quality - Patent Infringement. 1/st/ sentence.
         -After "warrants" insert "to the best of its knowledge and belief".

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

Page 11. Section 5n. Product Quality - Patent Infringement. End of section.
         -Add "Uses Excluded from Patent Indemnity. (i) the use of the Product
          modified or altered in any way except as expressly modified,
          authorized or specified by Supplier; (ii) the combination, operation,
          or use of the Products with any equipment not supplied by Supplier or
          expressly authorized or specified by Supplier; or (iii) any alteration
          of the Products made by any person other than Supplier except as
          expressly authorized or specified by Supplier.".

Page 11. Section 5p. Product Quality - Recall of Products. 1/st/ sentence.
         -After "Member" replace "any cost" with "actual and reasonable costs".

Page 11. Section 5q. Product Quality-Shelf Life. 2/nd/ sentence.
         -Change [***] to [***].

Page 13. Section 7a. Reports and Other Information Requirements - Report
         Content. Subsection (4).
         -After "Novation" add "and Supplier".
         -Change "request" to "agree upon".

Page 14. Section 7c. Reports and Other Information Requirements-Other
         Information Requirements. End of section.
         -Add "Electronic commerce will be provided when available, in
          accordance with industry guidelines".

Page 14. Section 8b. Obligations of Novation. Marketing Services. End of
         section.
         -Add "[***] will support [***] to [***] and [***]."

Page 14. Section 9a. Marketing Fees-Calculation. 1/st/ sentence.
         -After "net lease revenues" and ", including [***] and [***],".

Page 15. Section 9b. Marketing Fees-Payment.
         -Delete [***].
         -Add "[***] will pay [***] on [***], as determined in [***], for the
          [***] by the [***]."

Page 15. Section 9b. Marketing Fee - Payment. Third paragraph.
         -After "check" add [***]

Page 16. Section 10. [***].
         -Delete [***].

Page 16. Section 11. Nonpayment or Insolvency of a Member. First sentence.
         -Delete "prior".

Page 16. Section 12a. Insurance-Policy Requirements. 2/nd/ sentence.
         -Change [***] to [***].
         -Delete [***].

Page 16. Section 12a. Insurance-Policy Requirements. 3/rd/ sentence.
         -Change [***] to [***].

Page 17. Section 14. Release and Indemnity. 1/st/ sentence.
         -Delete [***].

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>

Page 18. Section 14. Release and Indemnity. 2/nd/ sentence.
         -Delete [***].
         -Change "WHERE" to "TO THE EXTENT";
         -Delete [***].

Page 18. Section 15. Books and Records; Facilities Inspections. 2/nd/ sentence.
         -After "audit by" add "an independent CPA designated by".
         -Delete "representatives".

Page 18. Section 15. Books and Records; Facilities Inspections. 3/rd/ sentence.
         -Delete "subject to Novation's right to conduct special audits whenever
          it deems it to be necessary to carry out the purposes of this
          agreement".

Page 18. Section 15. Books and Records; Facilities Inspections. 4/th/ sentence.
         -After "will" add "reasonably".

Page 18. Section 17a. Nondisclosure. 1/st/ sentence.
         -Change "Supplier agrees that it will:" to "Novation and Supplier agree
          to:"

Page 18. Section 17a. Nondisclosure. Subsection (1).
         -Change "Novation, the Clients, and the Members;" to "the parties;".

Page 18. Section 17a. Nondisclosure. Subsection (2).
         -Delete "Novation" add "the other;".

Page 19. Section 17a. Nondisclosure. Subsection (3).
         -Delete "Novation" add "the other".

Page 19. Section 17a. Nondisclosure. Subsection (4).
         -Change "return to Novation, the Client, or the Member, as the case may
          be, the" to read "both Will destroy or return to the other pertinent".

Page 19. Section 17c. Nondisclosure. Addition of Section.
         -Add "Novation shall instruct the Members to keep confidential
          information related to prices."

Page 20. Section 18e. Miscellaneous - No Assignment. 1/st/ sentence.
         - End of sentence, add "upon prior written notice."

Exhibit P. Other Information Requirements. End of First Paragraph.
         - Add "Electronic commerce transactions will be conducted according to
           industry standards, when available.
         - Remainder of Exhibit P is deleted in its entirety.

__________
[***] Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

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