Document:

<PAGE>   1
                                                                EXHIBIT 10.14(d)

                                   EXHIBIT A

              [COMERICA LOGO]MASTER REVOLVING NOTE
            Variable Rate-Maturity Date-Optional Advances (Business and
Commercial Loans Only)

<TABLE>

<S>                     <C>                       <C>                     <C>
========================================================================================================
AMOUNT                   NOTE DATE                 MATURITY DATE           TAX IDENTIFICATION NUMBER
$32,000,000              April       , 2000        July 1, 2001                        38-3383038
                               ------
----------------------------------------------------------------------------------------------------
</TABLE>

ON THE MATURITY DATE, as stated above, for value received, the undersigned
promise(s) to pay to the order of Comerica Bank ("Bank"), at any office of the
Bank in the State of Michigan, Thirty Two Million Dollars (U.S.) (or that
portion of it advanced by the Bank and not repaid as later provided) with
interest until maturity, whether by acceleration or otherwise, or until Default,
as later defined, at a per annum rate equal to the Bank's prime rate from time
to time in effect minus one percent (1%) per annum so long as the aggregate
principal balance of this Note is greater than $2,000,000 and at a per annum
rate equal to the Bank's prime rate from time to time in effect so long as the
aggregate principal balance outstanding under this Note is $2,000,000 or less,
and after that at a rate equal to the rate of interest otherwise prevailing
under this Note plus three percent (3%) per annum (but in no event in excess of
the maximum rate permitted by law). The Bank's "prime rate" is that annual rate
of interest so designated by the Bank and which is changed by the Bank from time
to time. Interest rate changes will be effective for interest computation
purposes as and when the Bank's prime rate changes. Interest shall be calculated
on the basis of a 360-day year for actual number of days the principal is
outstanding. Accrued interest on this Note shall be payable on the first day of
each month commencing May 1, 2000, until the Maturity Date (set forth above)
when all amounts outstanding under this Note shall be due and payable in full.
If the frequency of interest payments is not otherwise specified, accrued
interest on this Note shall be payable monthly on the first day of each month.
If any payment of principal or interest under this Note shall be payable on a
day other than a day on which the Bank is open for business, this payment shall
be extended to the next succeeding business day and interest shall be payable at
the rate specified in this Note during this extension. A late payment charge
equal to five percent (5%) of each late payment may be charged on any payment
not received by the Bank within ten (10) calendar days after the payment due
date, but acceptance of payment of this charge shall not waive any Default under
this Note.

The principal amount payable under this Note shall be the sum of all advances
made by the Bank to or at the request of the undersigned, less principal
payments actually received in cash by the Bank. The books and records of the
Bank shall be the best evidence of the principal amount and the unpaid interest
amount owing at any time under this Note and shall be conclusive absent manifest
error. No interest shall accrue under this Note until the date of the first
advance made by the Bank; after that interest on all advances shall accrue and
be computed on the principal balance outstanding from time to time under this
Note until the same is paid in full.

This Note and any other indebtedness and liabilities of any kind of the
undersigned (or any of them) to the Bank, and any and all modifications,
renewals or extensions of it, whether joint or several, contingent or absolute,
now existing or later arising, and however evidenced (collectively
"Indebtedness"), are secured by and the Bank is granted a security interest in
all items deposited in any account of any of the undersigned with the Bank and
by all proceeds of these items (cash or otherwise), all account balances of any
of the undersigned from time to time with the Bank, by all property of any of
the undersigned from time to time in the possession of the Bank and by any other
collateral, rights and properties described in each and every deed of trust,
mortgage, security agreement, pledge, assignment and other security or
collateral agreement which has been, or will at any time(s) later be, executed
by any (or all) of the undersigned to or for the benefit of the Bank
(collectively "Collateral"). Notwithstanding the above, (i) to the extent that
any portion of the Indebtedness is a consumer loan, that portion shall not be
secured by any deed of trust, mortgage on or other security interest in any of
the undersigned's principal dwelling or in any of the undersigned's real
property which is not a purchase money security interest as to that portion,
unless expressly provided to the contrary in another place, or (ii) if the
undersigned (or any of them) has(have) given or give(s) Bank a deed of trust or
mortgage covering California real property, that deed of trust or mortgage shall
not secure this

<PAGE>   2

Note or any other indebtedness of the undersigned (or any of them), unless
expressly provided to the contrary in another place.

Upon the occurrence and at any time during the continuance of any "Event of
Default" under that certain Letter Agreement dated as of August 10, 1998, by and
between the undersigned and Bank, as the same may be amended from time to time,
Bank may, at its option and without prior notice to the undersigned, declare any
or all of the Indebtedness (whether under this Note or otherwise) to be
immediately due and payable (notwithstanding any provisions contained in the
evidence of it to the contrary), sell or liquidate all or any portion of the
Collateral, set off against the Indebtedness any amounts owing by the Bank to
the undersigned, charge interest at the default rate provided in the document
evidencing the relevant Indebtedness, and exercise any one or more of the rights
and remedies granted to the Bank by any agreement with the undersigned
(including, without limitation, said Letter Agreement) or given to it under
applicable law. All payments under this Note shall be in immediately available
United States funds, without setoff or counterclaim.

If this Note is signed by two or more parties (whether by all as makers or by
one or more as an accommodation party or otherwise), the obligations and
undertakings under this Note shall be that of all and any two or more jointly
and also of each severally. This Note shall bind the undersigned, and the
undersigned's respective heirs, personal representatives, successors and
assigns. The undersigned waive(s) presentment, demand, protest, notice of
dishonor, notice of demand or intent to demand, notice of acceleration or intent
to accelerate, and all other notices and agree(s) that no extension or
indulgence to the undersigned (or any of them) or release, substitution or
nonenforcement of any security, or release or substitution of any of the
undersigned, any guarantor or any other party, whether with or without notice,
shall affect the obligations of any of the undersigned. The undersigned waive(s)
all defenses or right to discharge available under Section 3-605 of the Michigan
Uniform Commercial Code and waive(s) all other suretyship defenses or right to
discharge. The undersigned agree(s) that the Bank has the right to sell, assign,
or grant participations or any interest in, any or all of the Indebtedness, and
that, in connection with this right, but without limiting its ability to make
other disclosures to the full extent allowable, the Bank may disclose all
documents and information which the Bank now or later has relating to the
undersigned or the Indebtedness. The undersigned agree(s) that the Bank may
provide information relating to this Note or relating to the undersigned to the
Bank's parent, affiliates, subsidiaries and service providers.

The undersigned agree(s) to reimburse the holder or owner of this Note upon
demand for any and all costs and expenses (including without limit, court costs,
legal expenses and reasonable attorney fees, whether inside or outside counsel
is used, whether or not suit is instituted and, if suit is instituted, whether
at the trial court level, appellate level, in a bankruptcy, probate or
administrative proceeding or otherwise) incurred in collecting or attempting to
collect this Note or incurred in any other matter or proceeding relating to this
Note.

The undersigned acknowledge(s) and agree(s) that there are no contrary
agreements, oral or written, establishing a term of this Note and agree(s) that
the terms and conditions of this Note may not be amended, waived or modified
except in a writing signed by an officer of the Bank expressly stating that the
writing constitutes an amendment, waiver or modification of the terms of this
Note. As used in this Note, the word "undersigned" means, individually and
collectively, each maker, accommodation party, indorser and other party signing
this Note in a similar capacity. If any provision of this Note is unenforceable
in whole or part for any reason, the remaining provisions shall continue to be
effective. THIS NOTE IS MADE IN THE STATE OF MICHIGAN AND SHALL BE GOVERNED BY
AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF MICHIGAN,
WITHOUT REGARD TO CONFLICT OF LAWS PRINCIPLE.

THE MAXIMUM INTEREST RATE SHALL NOT EXCEED 25% PER ANNUM, OR THE HIGHEST
APPLICABLE USURY CEILING, WHICHEVER IS LESS.

This Note replaces by renewal the undersigned's Master Revolving Note dated
March 24, 2000 in favor of the Bank in the principal amount of $22,000,000.

<PAGE>   3

THE UNDERSIGNED AND THE BANK ACKNOWLEDGE THAT THE RIGHT TO TRIAL BY JURY IS A
CONSTITUTIONAL ONE, BUT THAT IT MAY BE WAIVED. EACH PARTY, AFTER CONSULTING (OR
HAVING HAD THE OPPORTUNITY TO CONSULT) WITH COUNSEL OF THEIR CHOICE, KNOWINGLY
AND VOLUNTARILY, AND FOR THEIR MUTUAL BENEFIT, WAIVES ANY RIGHT TO TRIAL BY JURY
IN THE EVENT OF LITIGATION REGARDING THE PERFORMANCE OR ENFORCEMENT OF, OR IN
ANY WAY RELATED TO, THIS NOTE OR THE INDEBTEDNESS.

<TABLE>
<CAPTION>
<S><C>

       GENOMIC SOLUTIONS INC.                                 By: Jeffrey S. Williams       Its: President & CEO
----------------------------------------------------------       -------------------------      -------------------------------
        obligor name typed/printed                                    signature of          title (if applicable)

                                                              By: Steven J. Richralsky      Its: Executive Vice President & CFO
                                                                 -------------------------      -------------------------------
                                                                      signature of          title (if applicable)

                                                              By:                           Its:
                                                                 -------------------------      -------------------------------
                                                                      signature of          title (if applicable)

                                                              By:                           Its:
                                                                 -------------------------      -------------------------------
                                                                      signature of          title (if applicable)

4355 Varsity Drive, Suite E                           Ann Arbor               Michigan                      48108
-------------------------------------------------------------------------------------------------------------------------------
street address                                          city                      state             zip code

-------------------------------------------------------------------------------------------- ----------------------------------
                                     FOR BANK USE ONLY                                       ccar #
----------------------------- --------------------- ---------------------------------------------------------------------------
loan officer initials         loan group name       obligor name

----------------------------- --------------------- ------------------------- --------------------------- ---------------------
loan officer id. no.          loan group no.        obligor no.               note no.                    amount

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

</TABLE><PAGE>   1
                                                                   EXHIBIT 10.30

                               THIRD AMENDMENT TO
                             BUSINESS LOAN AGREEMENT

         THIS THIRD AMENDMENT TO BUSINESS LOAN AGREEMENT (the "Amendment") is
made as of April 28, 2000, by and between GENOMIC SOLUTIONS INC., a Delaware
corporation ("GSI"), GENOMIC SOLUTIONS, LTD., a United Kingdom corporation
("Genomic UK"), GENOMIC SOLUTIONS, K.K., a Japanese corporation ("Genomic
Japan", and together with GSI and Genomic UK, the "Borrowers"), WHITE PINES
LIMITED PARTNERSHIP I, a Michigan limited partnership "WPLP"), PACIFIC CAPITAL,
L.P., a Delaware limited partnership ("Pacific"), and CHASE VENTURE CAPITAL
ASSOCIATES, a California limited partnership ("Chase", and together with WPLP
and Pacific, the "Requisite Lenders").

                                    RECITALS:

         A. Borrowers and Requisite Lenders are parties to a Business Loan
Agreement dated April 23, 1999, as amended by the First Amendment to Business
Loan Agreement dated October 28, 1999 and the Second Amendment to Business Loan
Agreement dated as of March 24, 2000 (collectively, the "Loan Agreement"),
pursuant to which, among other things, the Requisite Lenders and certain other
persons (collectively, the "Lenders") advanced to Borrowers the sum of Six
Million Dollars ("$6,000,000"), evidenced by Promissory Notes delivered by
Borrowers to Lenders (collectively, the "Promissory Notes").

         B. GSI wishes to increase its existing line of credit loan with
Comerica Bank (the "Bank") from $22,000,000 to $32,000,000, which amount
constitutes Long-Term Debt under the Loan Agreement and would exceed the amount
of Long-Term Debt which Borrowers may allow to exist under Section 9(a)(ii) of
the Loan Agreement. GSI would like to amend Section 9(a)(ii) of the Loan
Agreement to increase the amount of Long-Term Debt, which it may allow to exist
by an additional $10,000,000.

         C. Under Section 14(i) of the Loan Agreement, the Loan Agreement, any
related document and any other agreement between the parties to the Loan
Agreement, may be modified in a writing executed by Borrowers and Lenders owning
not less than two-thirds of the warrants, or shares of GSI's common stock issued
upon exercise of the warrants, issued pursuant to the Loan Agreement. Requisite
Lenders own more than two-thirds of the warrants, or shares of GSI's common
stock issued upon exercise of the warrants, issued pursuant to the Loan
Agreement.

         D. GSI has filed a registration statement with the SEC for a public
offering and sale of its securities for an aggregate amount in excess of
$50,000,000 (the "IPO") and has applied to have such securities listed on the
Nasdaq National Market System. Borrowers and Requisite Lenders have agreed to
amend the Loan Agreement to allow GSI to increase the amount of Long-Term Debt
which it may allow to exist by an additional $10,000,000 and, if an IPO is
consummated and the securities issued by GSI in the IPO are listed on the Nasdaq
National Market System, to amend the Notes to extend the due date of the Notes
to the first anniversary of the date on which the IPO is consummated, all upon
the terms and conditions set forth in this Amendment.

<PAGE>   2

         NOW, THEREFORE, the parties agree as follows:

         1. Amendment of Loan Agreement.  Section 9(a)(ii) is hereby amended in
its entirety to read as follows:

                           "(ii) allow consolidated Long-Term Debt to be greater
         than $15,500,000 at any time during 1999, to be greater than
         $46,500,000 at any time during 2000, to be greater than 47,500,000 at
         any time during 2001, to be greater than 51,500,000 at any time during
         2002 or 2003 or to be greater than 48,500,000 as of December 31, 2003
         or at any time thereafter. "Long-Term Debt" shall mean the sum of (x)
         all bank debt, (y) all liabilities classified as long-term in
         accordance with generally accepted accounting principles, and (z) the
         current portion of any liabilities encompassed by "(y)"."

         2. Amendment to Notes. If GSI consummates the IPO and lists its
securities on the Nasdaq National Market System, then, effective as of the date
of the consummation of the IPO, the Notes shall be amended and restated in the
form attached hereto as Exhibit A (the "Amended Notes"). Following the
consummation of the IPO, Lenders shall surrender their Notes to Borrowers in
exchange for the Amended Notes. From and after the date of the consummation of
the IPO and until the Notes are surrendered and exchanged for the Amended Notes,
the Notes shall entitle Lenders only to receive payments of principal, interest,
fees and expenses as provided under the terms of the Amended Notes.

         3. Full Force and Effect. The Loan Agreement, as modified by this
Amendment, remains in full force and effect.

         4. Counterparts and Facsimile Signatures. This Amendment may be
executed in any number of counterparts, each of which shall be deemed to be an
original and all of which together shall constitute one instrument. Copies
(whether facsimile, photostatic or otherwise) of signatures to this Agreement
shall be deemed to be originals and may be relied on to the same extent as the
originals.

                                      -2-

<PAGE>   3

         IN WITNESS WHEREOF, the parties have executed this Amendment on the
date first set forth above.

                                   GENOMIC SOLUTIONS INC.

                                   By: /s/
                                      -----------------------------------------
                                            Jeffrey S. Williams, President

                                   GENOMIC SOLUTIONS, LTD.

                                   By: Jeffrey S. Williams
                                      -----------------------------------------

                                   Its: Chairman
                                      -----------------------------------------

                                   GENOMIC SOLUTIONS, K.K.

                                   By: Jeffrey S. Williams
                                      -----------------------------------------

                                   Its: Director
                                      -----------------------------------------

                                   WHITE PINES LIMITED
                                   PARTNERSHIP I

                                   By:  White Pines G.P., L.L.C., its general
                                        partner

                                   By:  /s/
                                      -----------------------------------------
                                            Daniel Boyle, Vice President

                                   PACIFIC CAPITAL, L.P.
                                   By:  WP Pacific G.P., L.L.C., a general
                                        partner

                                   By: /s/
                                      -----------------------------------------
                                            Daniel Boyle, Vice President

                                   CHASE VENTURE CAPITAL ASSOCIATES

                                   By: Damion Wicker
                                      -----------------------------------------
                                   Its: General Partner
                                      -----------------------------------------

                                      -3-
<PAGE>   4

                                    EXHIBIT A

THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 OR
ANY STATE SECURITIES LAWS. THEY MAY NOT BE SOLD OR OFFERED FOR SALE, PLEDGED,
HYPOTHECATED OR OTHERWISE TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE
REGISTRATION STATEMENT AS TO THE SECURITIES UNDER SAID ACT AND ANY APPLICABLE
STATE SECURITIES LAW OR UNLESS THE COMPANY HAS RECEIVED AN OPINION OF COUNSEL
SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED TO EFFECTUATE
SUCH TRANSACTION.

                              AMENDED AND RESTATED
                           P R O M I S S O R Y  N O T E
                           ----------------------------

$                                                     Ann Arbor, Michigan
 ------------------
                                                               , 2000
                                                      ---------

     FOR VALUE RECEIVED, Genomic Solutions, Inc., a Delaware corporation, 4355
Varsity Drive, Suite E, Ann Arbor, Michigan 48108, Genomic Solutions, Ltd., a
United Kingdom corporation, Unit 3, Forge Close, Little End Road, Eaton Socon,
St. Neots, Cambridgeshire, England PE193TP and Genomic Solutions, K.K., a
Japanese corporation, Gotanda Chuo Bldg. 2F, 3-5, Higashigotanda 2-chome,
Shinagawa-ku, Tokyo 141-0022, Japan, jointly and severally, hereinafter
collectively referred to as "Borrower", promise to pay to the order of
________________________, hereinafter called the "Lender" or holder, the sum of
__________________________ ($____________________) dollars in lawful money of
the United States of America, with interest at the rate of twelve percent
(12.0%) per annum on all sums at any time unpaid, at ___________________________
or at such other place as the holder hereof may designate by written notice to
the Borrower, with interest from the date of the disbursement of the loan, until
paid.

         Interest shall be payable quarterly in arrears on each March 31, June
30, September 30 and December 31, commencing June 30, 2000. On each interest
payment date, (i) 7/12ths of the interest payable on such date shall be paid in
cash, and (ii) 5/12ths of the interest payable on such date shall be paid by the
issuance to Lender of a number of shares of common stock of Parent equal to the
amount of such interest divided by the Minimum Company Value, provided that on
each scheduled interest payment date, Lender may upon ten (10) days, prior
written notice to Parent elect not to receive such payment in shares of common
stock of Parent and instead elect to defer payment of 5/12ths of the interest
due on such scheduled interest payment date, which amount shall then be added to
the outstanding principal balance of this Note with effect as of such payment
date. Interest shall be calculated on a 365 day basis on the unpaid principal
balance for the actual days outstanding. For purposes of the foregoing, "Minimum
Company Value" shall be the same amount determined as the Minimum Company Value
in accordance with the provisions of the Warrants attached to the Loan Agreement
(defined below) as Exhibit B (initially $4.50 per share).

<PAGE>   5

         The entire unpaid principal balance plus accrued interest and all other
indebtedness shall be due and payable on the earliest of (i) the first
anniversary of this Note, (ii) the date on which (A) Parent's cash and cash
equivalents fall below $50.0 million, or (B) Parent's board of directors
authorizes any action which would cause Parent's cash and cash equivalents to
fall below $50.0 million, (iii) the effective date, immediately after the
effective time, of any merger or consolidation of Parent, (iv) a transfer of
more than 50% of the issued and outstanding common stock of Parent (if
immediately after the transfer the transferee has control of Parent), or (v) a
sale of substantially all of the assets of Parent.

         Until all indebtedness of Borrower to Lender under this Note has been
paid in full, Parent shall furnish to Lender monthly on or before the 5th
business day of each month during the term of this Note a statement setting
forth Parent's cash and cash equivalents as of the last day of the preceding
month. If at any time during the term of this Note Parent's cash and cash
equivalents fall below $52.0 million, then, until such time as Parent's cash and
cash equivalents equal or exceed $52.0 million, Parent shall furnish to Lender
by the close of business on each Wednesday a statement setting forth Parent's
cash and cash equivalents as of the last day of the preceding week.

         This Note, together with the Amended and Restated Promissory Notes of
even date herewith (the "Other Notes") executed and delivered by Borrower to the
other Lenders, as such term is defined in the Loan Agreement (the "October
Lenders"), amends and restates the Promissory Notes dated as of October 28,
1999, delivered by Borrower to the October Lenders (the "Original Notes"). This
Note and the Other Notes do not constitute the extinguishment of the debt
evidenced by the Original Notes, but represent a renewal of the Original Notes.
Any amount outstanding under the Original Notes, as of the effective date of
this Note, shall constitute an advance under this Note and the Other Notes.

         Parent granted to Lender a security interest in or lien upon all assets
of Parent as described in the Security Agreement and Assignment and Pledge
Agreement dated October 28, 1999 as security for the payment of the Promissory
Note dated October 28, 1999 delivered by the Borrower to the Lender. Such
security interest and lien continue to secure this Note. Borrower may hereafter
grant a security interest in or lien upon other assets as may be described in
any other security agreement, mortgage, or other document executed at any time
by the Borrower and delivered to the Lender (herein collectively termed
"Collateral") as security for the payment of this Note, and for the payment of
all other liabilities, whether direct, indirect, absolute or contingent, now or
hereafter existing, due to become due, several or otherwise, of the Borrower to
the Lender under the Loan Documents (as defined in the Loan Agreement) (herein
termed "Indebtedness").

         Upon an event of default under any security agreement, the Business
Loan Agreement dated October 28, 1999 between Lender, Borrower and others, as
amended by the First Amendment to Business Loan Agreement dated as of March 24,
2000 and as amended by the Second Amendment to Business Loan Agreement dated
April 28, 2000, by and among the same parties (collectively, the "Loan
Agreement"), or any document given in connection with the Collateral, which
event of default is not cured within any applicable grace period, (i) this Note
and

                                      -2-

<PAGE>   6

all Indebtedness shall, at the option of the Lender, become immediately due and
payable in full without notice, presentation or demand for payment, all such
being hereby waived by the Borrower and in such event, it is agreed that the
Lender may exercise all rights and remedies available to it under any security
agreement, hypothecation agreement, Loan Agreement, or other agreement relating
to or otherwise securing any of the Indebtedness or, which may be available to
Lender under the Uniform Commercial Code as in effect in the State of Michigan
or other applicable law, and (ii) this Note shall thereafter bear interest at
the rate of sixteen percent (16%) per annum until such default is cured. Delay
or forbearance by the Lender in the exercise of any right granted hereunder
shall not operate as a waiver thereof.

         A late payment fee in the amount of five percent (5.0%) of the
installment due and owing will be assessed against the Borrower in the event the
payment required hereunder is received by the Lender more than ten (10) days
after the due date.

         Provided that all interest payments on this Note shall then be current,
Borrower may prepay this Note in whole at any time or in part from time to time.
This Note is one of various promissory notes executed and delivered by Borrower
pursuant to the Loan Agreement. Borrower shall not prepay this Note in whole or
in part unless Borrower shall concurrently prepay in whole or a prorata part of
all other promissory notes originally executed and delivered by Borrower on the
same date as this Note.

         Notwithstanding any provision to the contrary, it is the intent of the
Lender and Borrower that neither the Lender nor any subsequent holder shall be
entitled to receive, collect, reserve or apply, as interest, any amount in
excess of the maximum lawful rate of interest permitted to be charged by
applicable law or regulations, as amended or enacted from time to time. In the
event the Note calls for an interest payment that exceeds the maximum lawful
rate of interest then applicable, such interest shall not be received,
collected, charged, or reserved until such time as that interest, together with
all other interest then payable, falls within the applicable maximum lawful rate
of interest. In the event the Lender, or any subsequent holder, receives any
such interest in excess of the then maximum lawful rate of interest, such amount
which would be excessive interest shall be deemed a partial prepayment of
principal and treated hereunder as such, or, if the principal indebtedness
evidenced hereby is paid in full, any remaining excess funds shall immediately
be paid to the Borrower.

         Borrower hereby waives presentment, demand, protest and notice of
dishonor and agrees that Borrower shall not be released or discharged by reason
of any release, sale or non-action with respect to the Collateral or other
undertakings securing this Note.

         The security rights of Lender and its assigns shall not be impaired by
Lender's sale, hypothecation, or rehypothecation of any Note of the Borrower or
any item of the Collateral, or by any indulgence, including but not limited to:
(i) any renewal, extension, or modification which Lender may grant with respect
to the Indebtedness or any part thereof, (ii) any surrender, compromise,
release, renewal, extension, exchange, or substitution which Lender may grant in
respect to the Collateral, or (iii) any indulgence granted in respect of any
endorser, co-maker, guarantor or surety. The purchaser, assignee, transferee, or
pledgee of this Note, the Collateral,

                                      -3-
<PAGE>   7

any guarantee, and any other document (or any of them), sold, assigned,
transferred, pledged, or repledged, shall forthwith become vested with and
entitled to exercise all the powers and rights given by this Note and all Loan
Documents of the undersigned to Lender, as if said purchaser, assignee,
transferee, or pledgee were originally named as payee in this Note and in the
Loan Documents.

         This Note shall be construed, interpreted and enforced in accordance
with the laws of the State of Michigan without regard to its conflict of laws
principles. Borrower expressly submits to the jurisdiction and venue in the
Federal or state courts of the State of Michigan by process served by mail on
Borrower at the address set forth above.

         This Note has been negotiated between Borrower and Lender and shall be
deemed to be mutually drafted by them.

         IN WITNESS WHEREOF, this Note has been executed by the duly authorized
officers of the Borrower.

                                         GENOMIC SOLUTIONS INC.

                                         By:
                                            ------------------------------------
                                               Jeffrey S. Williams, President

                                         GENOMIC SOLUTIONS, LTD

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

                                         Its:
                                             -----------------------------------

                                         GENOMIC SOLUTIONS, K.K.

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

                                         Its:
                                             -----------------------------------

                                      -4-

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