Document:

<PAGE>

                                                                    EXHIBIT 10.1

                     CONTRIBUTION AND DISTRIBUTION AGREEMENT

                                     between

                            IMPCO TECHNOLOGIES, INC.

                                       and

                QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE, INC.

                          Dated as of __________, 2002

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                                TABLE OF CONTENTS
<TABLE>
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<S>                  <C>                                                                          <C>
                                                                                                   Page
                                                                                                   ----
ARTICLE  I            DEFINITIONS ................................................................    2

       Section 1.1    General ....................................................................    2
       Section 1.2    References; Interpretation .................................................   16

ARTICLE  II           DISTRIBUTION AND OTHER TRANSACTIONS; CERTAIN COVENANTS .....................   17

       Section 2.1    The Distribution And Other Transactions ....................................   17
       Section 2.2    IMPCO Board Action; Conditions Precedent To The Distribution ...............   27
       Section 2.3    Intercompany Accounts ......................................................   27
       Section 2.4    Assumption And Satisfaction Of Liabilities .................................   28
       Section 2.5    Resignations ...............................................................   27
       Section 2.6    Non-Solicitation Of Employees ..............................................   28
       Section 2.7    Further Assurances .........................................................   29
       Section 2.8    Limited Representations Or Warranties ......................................   30
       Section 2.9    Guarantees .................................................................   30
       Section 2.10   Witness Services ...........................................................   30
       Section 2.11   Tax And Other Matters ......................................................   31
       Section 2.12   Transfers Not Effected Prior To The Distribution; Transfers Deemed
                      Effective As Of The Distribution Date ......................................   31
       Section 2.13   Conveyancing And Assumption Instruments ....................................   32
       Section 2.14   Ancillary Agreements .......................................................   32
       Section 2.15   Corporate Names ............................................................   33
       Section 2.16   Joint Business Opportunities; Non-Competition; Protection Of Information ...   35

ARTICLE  III          INDEMNIFICATION ............................................................   37

       Section 3.1    Indemnification By Impco ...................................................   37
       Section 3.2    Indemnification By Quantum .................................................   37
       Section 3.3    Procedures For Indemnification .............................................   37
       Section 3.4    Indemnification Payments ...................................................   40
       Section 3.5    Future Business Relationships ..............................................   40

ARTICLE  IV           ACCESS TO INFORMATION ......................................................   40

       Section 4.1    Provision Of Corporate Records .............................................   40
       Section 4.2    Access To Information ......................................................   41
       Section 4.3    Reimbursement; Other Matters ...............................................   41
       Section 4.4    Confidentiality ............................................................   41
       Section 4.5    Privileged Matters .........................................................   42
       Section 4.6    Ownership Of Information ...................................................   44
       Section 4.7    Estimates ..................................................................   43
       Section 4.8    Other Agreements Providing For Exchange Of Information .....................   44
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                                TABLE OF CONTENTS

<TABLE>
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<S>                  <C>                                                                  <C>
                                                                                           Page
                                                                                           ----
ARTICLE  V            TERMINATION OF AGREEMENTS; MUTUAL RELEASE .........................    43

       Section 5.1    Termination of Agreements .........................................   473
       Section 5.2    Mutual Release ....................................................    43

ARTICLE  VI           ADMINISTRATIVE SERVICES ...........................................    47

       Section 6.1    Performance Of Services ...........................................    47
       Section 6.2    Accounts Receivables ..............................................    45

ARTICLE  VII          DISPUTE RESOLUTION ................................................    48

       Section 7.1    Negotiation .......................................................    48
       Section 7.2    Arbitration .......................................................    49
       Section 7.3    Continuity Of Service And Performance .............................    49

ARTICLE  VIII         INSURANCE .........................................................    50

       Section 8.1    Policies And Rights Included Within Assets;
                      Assignment Of Policies ............................................    50
       Section 8.2    Administration; Other Matters .....................................    50
       Section 8.3    Agreement For Waiver Of Conflict And Shared Defense ...............    52
       Section 8.4    Cooperation .......................................................    52

ARTICLE  IX           MISCELLANEOUS .....................................................    52

       Section 9.1    Complete Agreement; Construction ..................................    52
       Section 9.2    Ancillary Agreements ..............................................    53
       Section 9.3    Counterparts ......................................................    53
       Section 9.4    Survival Of Agreements ............................................    53
       Section 9.5    Expenses ..........................................................    53
       Section 9.6    Notices ...........................................................    50
       Section 9.7    Waivers ...........................................................    54
       Section 9.8    Amendments ........................................................    54
       Section 9.9    Assignment ........................................................    54
       Section 9.10   Successors And Assigns ............................................    55
       Section 9.11   Termination .......................................................    55
       Section 9.12   Subsidiaries ......................................................    55
       Section 9.13   Third Party Beneficiaries .........................................    55
       Section 9.14   Title And Headings ................................................    52
       Section 9.15   Exhibits And Schedules ............................................    55
       Section 9.16   Governing Law .....................................................    55
       Section 9.17   Consent To Jurisdiction ...........................................    56
       Section 9.18   Severability ......................................................    56
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                                    SCHEDULES
                                    ---------

Schedule 1.1(ii)(B)...............Quantum Transferred Assets
Schedule 1.1(pp)(iii).............IMPCO Form 10 Liabilities
Schedule 1.1(ccc).................Joint Contracts
Schedule 1.1(jjj)(i)..............Quantum Ownership of Other Entities
Schedule 1.1(jjj)(ii).............Quantum Assets
Schedule 1.1(jjj)(v).............Quantum Technology
Schedule 1.1(jjj)(viii)...........Tri-Shield Tank Technology
Schedule 1.1(kkk).................Quantum Balance Sheet and Supporting Schedules
Schedule 1.1(ooo)(i)..............Assigned Contracts
Schedule 1.1(ooo)(ii).............Quantum Group Contracts
Schedule 1.1(ooo)(iii)............Government Contracts
Schedule 1.1(ooo)(iv).............Capital and Operating Equipment Leases
Schedule 1.1(ppp).................Quantum Group
Schedule 1.1(rrr)(i)..............Specified Liabilities
Schedule 1.1(rrr)(x)..............Exceptions from Excluded Liabilities
Schedule 1.1(rrr)(y)..............IMPCO Retained Liabilities
Schedule 2.1(f)(i)................Quantum Permits and Licenses
Schedule 2.1(f)(ii)...............IMPCO Permits and Licenses
Schedule 2.3(a)...................Excluded Payables and Receivables
Schedule 2.5(b)...................Joint Employees, Directors and Officers
Schedule 2.9(a)...................IMPCO Guarantee Releases
Schedule 2.9(b)...................Quantum Guarantee Releases
Schedule 2.9(c)...................Guarantee Fees
Schedule 2.16(b)(ii)..............Quantum Named Competitors
Schedule 2.16(b)(iii).............Quantum Named OEM Customers
Schedule 2.16(c)..................IMPCO Named Competitors
Schedule 5.1(b)...................Surviving Arrangements
Schedule 8.2(b)...................IMPCO Insurance Deductibles
Schedule 8.2(d)...................Shared Policy Deductibles
Schedule 8.2(e)...................Other Deductibles
Schedule 9.5......................Distribution Expense Allocations

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<PAGE>

                     CONTRIBUTION AND DISTRIBUTION AGREEMENT

     This CONTRIBUTION AND DISTRIBUTION AGREEMENT (this "Agreement"), is dated
as of __________, 2002, by and between IMPCO Technologies, Inc., a Delaware
corporation ("IMPCO") and Quantum Fuel Systems Technologies Worldwide, Inc., a
Delaware corporation and, prior to the Distribution (as defined herein), a
wholly-owned subsidiary of IMPCO ("Quantum").

     WHEREAS, IMPCO, acting directly and through its subsidiaries, currently
conducts a number of businesses, including, without limitation, (i) the Gaseous
Fuel Products Business (as hereinafter defined), (ii) the Automotive OEM
Business (as hereinafter defined), and (iii) the International Business (as
hereinafter defined).

     WHEREAS, the Board of Directors of IMPCO has determined that it is
appropriate, desirable and in the best interests of IMPCO and its businesses, as
well as of the holders of shares of common stock, par value $0.001 per share, of
IMPCO (the "IMPCO Common Stock"), to restructure IMPCO to separate from IMPCO
all of the Automotive OEM Business and to cause such Automotive OEM Business to
be owned and conducted, directly or indirectly, by Quantum;

     WHEREAS, in order to effect such separation, the Board of Directors of
IMPCO has determined that it is appropriate, desirable and in the best interests
of IMPCO and its businesses, as well as of the holders of IMPCO Common Stock,
for IMPCO (i) to take certain steps to restructure IMPCO's Subsidiaries (as
defined herein) and businesses, and (ii) upon the completion of such
restructuring to distribute to the holders of the IMPCO Common Stock all the
outstanding shares of common stock, par value $0.001 per share, of Quantum (the
"Quantum Common Shares"), as set forth herein;

     WHEREAS, each of IMPCO and Quantum has determined that it is necessary and
desirable, on or prior to the Distribution Date (as defined herein), to allocate
and/or assign certain rights in those assets related to the Automotive OEM
Business, except for the IMPCO Assets (as defined herein) and the Reserved
Technology Rights (as defined herein), and to allocate and assign responsibility
for those liabilities in respect of the activities of the businesses related to
the Automotive OEM Business, and those assets and liabilities in respect of
other businesses and activities of IMPCO and its current and former Subsidiaries
and other matters; and

     WHEREAS, each of IMPCO and Quantum has determined that it is necessary and
desirable to set forth the principal corporate transactions required to effect
such Distribution and to set forth other agreements that will govern certain
other matters following the Distribution.

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

                                       1

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                                    ARTICLE I

                                   DEFINITIONS

     SECTION 1.1 GENERAL. As used in this Agreement, the following terms shall
have the following meanings:

     (a) "Action" shall mean any action, suit, arbitration, inquiry, proceeding
or investigation by or before any court, any governmental or other regulatory or
administrative agency, body or commission or any arbitration tribunal.

     (b) "Affiliate" shall mean, when used with respect to a specified person,
another person that controls, is controlled by, or is under common control with
the person specified. As used herein, "control" means the possession, directly
or indirectly, of the power to direct or cause the direction of the management
and policies of such person, whether through the ownership of voting securities
or other interests, by contract or otherwise.

     (c) "Aftermarket" when used with respect to systems, components, parts or
other items, shall mean the market for any such foregoing item after the title
of which has been transferred from the original equipment manufacturer of such
item to any third party, including without limitation wholesalers, consumers,
dealers or any other third party.

     (d) "Agent" shall have the meaning set forth in Section 2.1(c).

     (e) "Agreement" shall have the meaning set forth in the recitals hereto.

     (f) "Agreement Disputes" shall have the meaning set forth in Section 7.1.

     (g) "allocable portion of Insurance Proceeds" shall have the meaning set
forth in Section 8.2(c).

     (h) "allocable share of the deductible" shall have the meaning set forth in
Section 8.2(d).

     (i) "Ancillary Agreements" shall mean all of the written agreements,
instruments, assignments or other arrangements (other than this Agreement)
entered into in connection with the transactions contemplated hereby, including,
without limitation, the Tax Allocation and Indemnification Agreement, the
Conveyancing and Assumption Instruments, the Employee Matters Agreement, the
Strategic Alliance Agreement, and the Transition Services Agreement.

     (j) "Assets" shall mean assets, properties and rights (including goodwill
and rights to use), wherever located (including in the possession of vendors or
other third parties or elsewhere), whether real, personal or mixed, tangible,
intangible or contingent, in each case whether or not recorded or reflected or
required to be recorded or reflected on the books and records or financial
statements of any person, including, without limitation, the following:

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          (i) all accounting and other books, records and files whether in
     paper, microfilm, microfiche, computer tape or disc, magnetic tape or any
     other form;

          (ii) all apparatus, computers and other electronic data processing
     equipment, fixtures, machinery, equipment, furniture, office equipment,
     automobiles, trucks, aircraft and other transportation equipment, special
     and general tools, test devices, prototypes and models and other tangible
     personal property;

          (iii) all inventories of materials, parts, raw materials, supplies,
     work-in-process and finished goods and products;

          (iv) all interests in real property of whatever nature, including
     easements, whether as owner, mortgagee or holder of a Security Interest in
     real property, lessor, sublessor, lessee, sublessee or otherwise;

          (v) all interests in any capital stock or other equity interests of
     any Subsidiary or any other person, all bonds, notes, debentures or other
     securities issued by any Subsidiary or any other person, all loans,
     advances or other extensions of credit or capital contributions to any
     Subsidiary or any other person and all other investments in securities of
     any person;

          (vi) all license agreements, leases of personal property, open
     purchase orders for raw materials, supplies, parts or services, unfilled
     orders for the manufacture and sale of products and other contracts,
     agreements or commitments;

          (vii) all deposits, letters of credit and performance and surety
     bonds;

          (viii) Technology and all Documentation primarily relating thereto;

          (ix) all cost information, sales and pricing data, customer prospect
     lists, supplier records, customer and supplier lists, customer and vendor
     data, correspondence and lists, product literature, artwork, design,
     development and manufacturing files, vendor and customer drawings,
     formulations and specifications, quality records and reports and other
     books, records, studies, surveys, reports, plans and documents;

          (x) all prepaid expenses, trade accounts and other accounts and notes
     receivable;

          (xi) all rights under contracts or agreements, all claims or rights
     against any person arising from the ownership of any asset, all rights in
     connection with any bids or offers and all claims, choses in action or
     similar rights, whether accrued or contingent;

          (xii) all rights under insurance policies and all rights in the nature
     of insurance, indemnification or contribution;

                                       3

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          (xiii) all licenses, permits, approvals and authorizations which have
     been issued by any Governmental Authority;

          (xiv) cash or cash equivalents, bank accounts, lock boxes and other
     deposit arrangements; and

          (xv) interest rate, currency, commodity or other swap, collar, cap or
     other hedging or similar agreements or arrangements.

     (k) "Assignee" shall have the meaning set forth in Section 2.1(g).

     (l) "Automotive OEM Business" shall mean the design, development,
manufacture, marketing and sale of fuel delivery, fuel storage and electronic
control systems for (i) automotive original equipment manufacturer ("OEM")
applications in vehicles such as trucks, taxis and passenger vehicles, and (ii)
the emerging fuel cell industry which includes, without limitation, mobile
vehicle, stationary and portable power generation and refueling infrastructure
applications.

     (m) "Business Entity" shall mean any corporation, partnership, limited
liability company or other entity which may legally hold title to assets.

     (n) "Claims Administration" shall mean the processing of claims made under
the Shared Policies, including, without limitation, the reporting of claims to
the insurance carriers and the management of the defense of claims.

     (o) "Code" shall mean the Internal Revenue Code of 1986, as amended, and
the Treasury regulations promulgated thereunder, including any successor
legislation.

     (p) "Commission" shall mean the U.S. Securities and Exchange Commission.

     (q) "Confidential Information" of a party (the "Discloser") shall mean all
information or material not generally known by persons other than personnel of
the Discloser (i) which gives the Discloser some competitive business advantage
or the opportunity of obtaining such advantage or the disclosure of which could
be detrimental to the interests of the Discloser; (ii) which is owned by the
Discloser or in which the Discloser has an interest; and (iii) which is either
(A) marked "Confidential Information," "Proprietary Information" or other
similar marking, (B) known by another party (the "Recipient") to be considered
confidential and proprietary by the Discloser or (C) from all relevant
circumstances should reasonably be assumed by the employer or other designee of
the Recipient who learns of such Confidential Information to be confidential and
proprietary to the Discloser. Confidential Information includes all (i)
Technology and other trade secrets, know-how, ideas, inventions, processes,
techniques, algorithms, programs (whether in source code or object code form),
hardware, devices, designs, schematics, drawings, formulae, data, plans,
strategies and forecasts of, and (ii) technical, engineering, manufacturing,
product, marketing, servicing, financial, personnel and other information and
materials of the Discloser. Confidential Information also includes any
information described above which the Discloser obtains from a third party which
the Discloser

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marks or identifies as confidential or proprietary or which are provided under
circumstances reasonably indicating its confidential nature, whether or not
owned or developed by the Discloser. Notwithstanding the foregoing, however, no
information constitutes Confidential Information if it is information (i) which
becomes publicly known through no act or omission of Recipient, (ii) which is
later lawfully acquired from sources other than the Discloser who do not owe a
duty of confidentiality to the Discloser with respect to such information and
who did not learn of it, directly or indirectly, from Discloser, (iii) which is
independently developed by the Recipient without the use of or reference to such
information of the Discloser, as evidenced by the Recipient's contemporaneous
written records, or (iv) whose disclosure is expressly permitted by this
Agreement or any Ancillary Agreement or any other agreement entered into
pursuant to this Agreement.

     (r) "Contribution" shall mean the transfer of the Quantum Assets to the
Quantum Group and the assumption by the Quantum Group of the Quantum
Liabilities, all as more fully described in this Agreement and the Ancillary
Agreements.

     (s) "Contribution Date" shall mean ____________, 2002, or any other such
date agreed to in writing by the parties hereto.

     (t) "Conveyancing and Assumption Instruments" shall mean, collectively, the
various agreements, instruments and other documents heretofore entered into and
to be entered into to effect the transfer of assets and the assumption of
liabilities in the manner contemplated by this Agreement, or otherwise arising
out of or relating to the transactions contemplated by this Agreement,
including, but not limited to by contribution, assignment or sale, which shall
be in the form or forms as the parties hereto reasonably agree and as may be
required by law; provided however, that such agreements, instruments and other
documents may not contain terms inconsistent with the terms of this Agreement.

     (u) "Copyrights" shall mean (i) all copyrights, and all rights, title and
interests in and to all copyrights, copyright registrations and applications for
copyright registration, certificates of copyright and copyrighted interests
throughout the world; (ii) all unregistered copyrights ; (iii) all rights in
mask works; and (iv) all renewals, extensions, restorations, and continuations
of, and all goodwill associated with, any of the foregoing.

     (v) "Discloser" shall have the meaning set forth in Section 1.1(q) hereof.

     (w) "Distribution" shall mean the distribution on the Distribution Date to
holders of record of shares of IMPCO Common Stock as of the Distribution Record
Date of the Quantum Common Shares owned by IMPCO on the basis of ___ Quantum
Common Shares for every outstanding share of IMPCO Common Stock.

     (x) "Distribution Date" shall mean ___________, 2002.

     (y) "Distribution Record Date" shall mean as of the close of business of
such date as may be determined by the Board of Directors of IMPCO as the record
date for the Distribution.

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     (z) "Documentation" means all notes, diagrams, drawings, research, reports,
presentations, publications, specifications, forms, technical and user manuals,
letters, instruments and other documents existing as of the Contribution Date.

     (aa) "Effective Time" shall mean 11:59 p.m. Eastern Time, on the
Distribution Date.

     (bb) "Effective Time of Contribution" shall mean 11:59 p.m. Eastern Time,
on the Contribution Date.

     (cc) "Employee Matters Agreement" shall mean the Employee Matters
Agreement, dated as of __________, 2002, by and between IMPCO and Quantum.

     (dd) "Excluded Liabilities" shall have the meaning set forth in Section
1.1(rrr)(x).

     (ee) "Form 10" shall mean the Registration Statement on Form 10 filed by
Quantum with the Commission, including any amendment thereto, and including the
Information Statement.

     (ff) "Gaseous Fuel Products Business" shall mean the design, development,
manufacture, marketing and sale of engine components and systems primarily to
the aftermarket that allow internal combustion engines to operate on clean
burning gaseous fuels, primarily propane and natural gas.

     (gg) "Governmental Authority" shall mean any federal, state, local, foreign
or international court, government, department, commission, board, bureau,
agency, official or other regulatory, administrative or governmental authority.

     (hh) "Group" shall mean any of the IMPCO Group or the Quantum Group, as the
context requires.

     (ii) "IMPCO" shall have the meaning set forth in the recitals hereto.

     (jj) "IMPCO Assets" shall mean, collectively, (A) all the Assets owned or
held by IMPCO or any Subsidiary of IMPCO immediately prior to the Effective Time
of the Contribution, including all right, title and interest thereto, other than
the Quantum Assets, including without limitation all of IMPCO's rights under the
Joint Contracts, and the Reserved Technology Rights, and (B) any and all assets
owned or held immediately prior to the Contribution Date by Quantum or any
member of the Quantum Group that relate primarily to the IMPCO Business,
including any and all assets that are expressly contemplated by this Agreement
or any Ancillary Agreement (or the Schedules hereto or thereto) as assets to be
transferred or conveyed by Quantum or any member of the Quantum Group to any
member of the IMPCO Group, including without limitation those assets listed on
Schedule 1.1(jj)(B).
-------------------

     (kk) "IMPCO Business" shall mean each and every business conducted at any
time by IMPCO or any Subsidiary of IMPCO prior to the Effective Time, except the
Quantum Business.

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     (ll) "IMPCO Common Stock" shall have the meaning set forth in the recitals
hereto.

     (mm) "IMPCO Contracts" shall mean all the contracts and agreements to which
IMPCO or any of its Affiliates is a party or by which it or any of its
Affiliates is bound immediately prior to the Effective Time, except the Quantum
Contracts and the Joint Contracts.

     (nn) "IMPCO Group" shall mean IMPCO and each person (other than any member
of the Quantum Group) that is a Subsidiary of IMPCO immediately after the
Effective Time.

     (oo) "IMPCO Indemnitees" shall mean IMPCO, each member of the IMPCO Group,
each of their respective directors, officers, employees, agents, attorneys and
representatives and each of the heirs, executors, successors and assigns of any
of the foregoing.

     (pp) "IMPCO Liabilities" shall mean collectively, all obligations and
liabilities of IMPCO or any Subsidiary of IMPCO immediately prior to the
Effective Time (except the Quantum Liabilities), including:

          (i) all of IMPCO's obligations and liabilities under the Joint
     Contracts and with respect to the Transferred Assets and the Reserved
     Technology Rights;

          (ii) IMPCO's obligations arising under Section 2.11; and

          (iii) any liabilities arising out of or based upon any misstatement in
     or omission from the Form 10, the Information Statement or any amendments
     thereof or supplements thereto made in reliance upon and in conformity with
     written information furnished to Quantum by or on behalf of IMPCO
     specifically for inclusion therein, it being understood that the only such
     information is that set forth in Schedule 1.1(pp)(iii).

     (qq) "IMPCO Market" shall mean the following:

          (i) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide automotive Aftermarket, consisting of Class 1
     through Class 5 vehicles;

          (ii) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide bus and truck Aftermarket, consisting of Class 6
     through Class 8 vehicles;

          (iii) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide industrial Aftermarket consisting of, without
     limitation, material handling, small and stationary engines, generators,
     pumps and other products not used for transportational purposes;

          (iv) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide diesel automotive Aftermarket, consisting of Class
     1 through 5 diesel vehicles;

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          (v) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide diesel bus and truck Aftermarket, consisting of
     Class 6 through Class 8 diesel vehicles;

          (vi) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof) the worldwide industrial diesel Aftermarket, consisting of,
     without limitation, material handling, small and stationary engines,
     generators, pumps and other diesel products not used for transportational
     purposes;

          (vii) on a non-exclusive basis, the worldwide market for original
     equipment manufacturers of Classes 6 and 7 vehicles;

          (viii) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide market for original equipment manufacturers of
     Class 8 vehicles;

          (ix) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide market for industrial original equipment
     manufacturers, including, without limitation, original equipment
     manufacturers of material handling engines, small and stationary engines,
     generators, pumps and other products not used for transportational
     purposes; and

          (x) on an exclusive basis (even as to Quantum and any Subsidiary
     thereof), the worldwide original equipment manufacturers of all types and
     classes of diesel engines and products.

     (rr) "IMPCO Modifications" shall mean any improvements, enhancements,
extensions, and/or modifications of any kind to the Tri-Shield Tank made by or
on behalf of IMPCO, after the Contribution Date. Notwithstanding anything in
this Agreement, in no event shall any Technology, Documentation, or third party
licenses acquired by IMPCO from a third party after the Contribution Date,
whether or not any of the foregoing relates to the Tri-Shield Technology or the
Tri-Shield Tank, be deemed a part of any IMPCO Modification.

     (ss) "IMPCO Tank" shall have the meaning set forth in Section 2.1(b)(v).

     (tt) "Improvements" shall mean all improvements, modifications,
enhancements, revisions, versions or derivatives that are made, discovered,
developed or otherwise owned or controlled by either party hereto, whether or
not registrable, patentable or copyrightable.

     (uu) "Indemnifiable Losses" shall mean all damages, awards, judgments,
penalties, fines, payments, and other losses, however suffered or characterized,
all interest thereon, all costs and expenses of investigating any claim or
Action and any appeal therefrom, all actual attorneys' fees reasonably incurred
in connection therewith, whether or not such claim or Action is ultimately
defeated and all amounts paid incident to any compromise or settlement of any
such claim or Action.

                                       8

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     (vv) "Indemnifying Party" and "Indemnitee" shall each have the meaning set
forth in Section 3.3.

     (ww) "Information Statement" shall mean the Information Statement sent to
the holders of shares of IMPCO Common Stock in connection with the Distribution,
including any amendment or supplement thereto.

     (xx) "Insurance Administration" shall mean, with respect to each Shared
Policy, the accounting for premiums, retrospectively-rated premiums, defense
costs, indemnity payments, deductibles and retentions, as appropriate, under the
terms and conditions of each of the Shared Policies; and the reporting to excess
insurance carriers of any losses or claims which may cause the per-occurrence,
per claim or aggregate limits of any Shared Policy to be exceeded, and the
distribution of Insurance Proceeds as contemplated by this Agreement.

     (yy) "Insured Claims" shall mean those losses, claims, damages, costs and
expenses, and liabilities that, individually or in the aggregate, are covered
within the terms and conditions of any of the Shared Policies, whether or not
subject to deductibles, co-insurance, uncollectibility or retrospectively-rated
premium adjustments.

     (zz) "Insurance Proceeds" shall mean those monies (i) received by an
insured from an insurance carrier or (ii) paid by an insurance carrier on behalf
of an insured, in either case net of any applicable premium adjustment,
retrospectively-rated premium, deductible, retention, or cost of reserve paid or
held by or for the benefit of such insured.

     (aaa) "Intercompany Accounts" shall mean all accounts between IMPCO and
Quantum and their respective Subsidiaries (as defined herein), including
receivables, payables and loans, or any other accounts that may arise.

     (bbb) "International Business" shall mean the business conducted by IMPCO's
Subsidiaries in Australia, Europe, Japan and Mexico that market and sell
products of the Gaseous Fuel Products Business.

     (ccc) "Joint Contracts" shall mean the contracts or agreements listed on
Schedule 1.1(ccc), and to which any of the parties hereto or any of their
-----------------
Subsidiaries is a party that inures to the benefit of both the IMPCO Business
and the Quantum Business.

     (ddd) "Know-how" means all existing trade secrets and other information,
designs, drawings, inventions, discoveries, processes, methods, techniques,
algorithms, compositions, raw material lists, products specifications,
analytical know-how, show-how, formulae, procedures, protocols, manufacturing
instructions, tooling, results of experimentation and testing, validation
reports, standards, and other technical directions and data in any form, not
generally known.

     (eee) "Patents" shall mean (i) all patents, patent rights and all rights,
title and interests in and to all patent applications and patents to issue on
them, all letters patent or equivalent rights and applications, including any
reissue, extension, division, continuation, or continuation-in-part applications
throughout the world; and (ii) goodwill associated with any of the foregoing.

                                       9

<PAGE>

     (fff) "person" shall mean any natural person, Business Entity, corporation,
business trust, joint venture, association, company, partnership, limited
liability company, other entity or government, or any agency or political
subdivision thereof.

     (ggg) "Policies" shall mean insurance policies and insurance contracts of
any kind (other than life and benefits policies or contracts), including,
without limitation, primary, excess and umbrella policies, comprehensive general
liability policies, director and officer liability, fiduciary liability,
automobile, aircraft, property and casualty, workers' compensation and employee
dishonesty insurance policies, bonds and self-insurance and captive insurance
company arrangements, together with the rights, benefits and privileges
thereunder.

     (hhh) "Quantum" shall have the meaning set forth in the recitals hereto.

     (iii) "Quantum Amended and Restated Certificate" shall have the meaning set
forth in Section 2.1(d).

     (jjj) "Quantum Assets" shall mean:

          (i) the ownership interests in those Business Entities listed on
     Schedule 1.1(jjj)(i);
     --------------------

          (ii) those Assets (other than Technology and any Documentation related
     primarily thereto) set forth on Schedule 1.1(jjj)(ii) hereto, or
                                     ---------------------
     specifically identified in any Ancillary Agreement (or included on any
     Schedule hereto or thereto) as Assets which have been or are to be
     transferred to Quantum or any other member of the Quantum Group as of the
     Contribution Date or are to remain with Quantum or any member of the
     Quantum Group subsequent to the Contribution Date;

          (iii) any Assets (other than Technology and any Documentation related
     primarily thereto) reflected on the Quantum Balance Sheet or the accounting
     records supporting such balance sheet and any Assets (other than Technology
     and any Documentation related primarily thereto) acquired by or for
     Quantum, the Quantum Business or any member of the Quantum Group subsequent
     to the date of such balance sheet which, had they been so acquired on or
     before such date and owned as of such date, would have been reflected on
     such balance sheet if prepared on a consistent basis, subject to any
     dispositions of any of such Assets subsequent to the date of such balance
     sheet;

          (iv) subject to Article VIII, any rights of any member of the Quantum
     Group under any of the Policies, including any rights thereunder arising
     from and after the Effective Time in respect of any Policies that are
     occurrence policies, as more specifically described in Section 8.1 hereof;

          (v) the Technology expressly identified on Schedule 1.1(jjj)(v) hereto
                                                     --------------------
     and all Documentation primarily relating to such Technology, each of which
     are existing as of the Contribution Date (collectively, the "Quantum
     Technology");

                                       10

<PAGE>

          (vi) any Quantum Contracts, any rights or claims arising thereunder
     (including without limitation all of IMPCO's right, title and interest in
     and to any Technology created under or arising from the performance of any
     of the Quantum Contracts), and any other rights or claims or contingent
     rights or claims primarily relating to or arising from any Quantum Asset,
     the Quantum Business or Quantum's rights under the Joint Contracts;

          (vii) all rights under and resulting from the Specified Litigation,
     including, without limitation, all rights to recoveries, all benefits of
     any claims in, and all rights to continue pursuit of the Specified
     Litigation;

          (viii) the Tri-Shield Tank Technology, as described in Schedule
                                                                 --------
     1.1(jjj)(viii);
     --------------

          (ix) all goodwill of the Quantum Business; and

          (x) except as contemplated by Sections 1.1(jjj)(w) through (z), any
     and all assets owned or held immediately prior to the Contribution Date by
     IMPCO or any member of the IMPCO Group that (1) at all times prior to the
     Contribution Date were used exclusively in the Quantum Business, and (2)
     with respect to Technology and Documentation relating primarily thereto,
     Quantum provides contemporaneous documentation of such exclusive use of
     such Technology and Documentation. The intention of this clause (x) is only
     to rectify any inadvertent omission of transfer or conveyance of any assets
     that, had the parties given specific consideration to such asset as of the
     date hereof, would have otherwise been classified as a Quantum Asset. No
     asset shall be deemed to be a Quantum Asset solely as a result of this
     clause (x) if such asset is within the category or type of asset expressly
     covered by the subject matter of an Ancillary Agreement. In addition, no
     Asset shall be deemed a Quantum Asset solely as a result of this clause (x)
     unless a claim with respect thereto is made by Quantum on or prior to the
     first anniversary of the Distribution Date.

          Notwithstanding the foregoing, the Quantum Assets shall not in any
     event include:

               (w) all accounting and other books, records and files whether in
          paper, microfilm, microfiche, computer tape or disc, magnetic tape or
          any other form relating to the Quantum Business that are in the
          possession of IMPCO or any member of the IMPCO Group prior to the
          Contribution Date;

               (x) all cost information, sales and pricing data, customer
          prospect lists, supplier records, customer and supplier lists,
          customer and vendor data, correspondence and lists, product
          literature, artwork, design, development and manufacturing files,
          vendor and customer drawings, formulations and specifications, quality
          records and reports and other books, records, studies, surveys,
          reports, plans and documents relating to the Quantum Business that are

                                       11

<PAGE>

          in the possession of IMPCO or any member of the IMPCO Group prior to
          the Contribution Date;

               (y) the Reserved Technology Rights and IMPCO's rights under the
          Joint Contracts; or

               (z) the Quantum Transferred Assets.

     (kkk) "Quantum Balance Sheet" shall mean the combined balance sheet of the
Quantum Group, including the notes thereto, as of January 31, 2002, set forth as
Schedule 1.1(kkk) hereto.
-----------------

     (lll) "Quantum Business" shall mean the Automotive OEM Business as
conducted immediately prior to the Effective Time.

     (mmm) "Quantum By-laws" shall have the meaning set forth in Section 2.1(d).

     (nnn) "Quantum Common Shares" shall have the meaning set forth in the
recitals hereto.

     (ooo) "Quantum Contracts" shall mean the following contracts and agreements
to which Quantum, IMPCO or any of their Affiliates is a party or by which either
or any of their Affiliates or any of their respective assets is bound, whether
or not in writing, except for the Joint Contracts and any such contract or
agreement that is not expressly contemplated to be transferred or assigned to
Quantum, or any other member of the Quantum Group on or prior to the
Contribution Date, and except for any contract or agreement that is not
expressly contemplated to remain with Quantum, or any other member of the
Quantum Group subsequent to the Contribution Date, pursuant to any provision of
this Agreement or any Ancillary Agreement:

          (i) any contracts or agreements listed or described on Schedule
                                                                 --------
     1.1(ooo)(i);
     -----------

          (ii) any contract or agreement entered into in the name of, or
     expressly on behalf of, any division, business unit or member of the
     Quantum Group listed or described on Schedule 1.1(ooo)(ii);
                                          ---------------------

          (iii) federal, state and local government and other contracts and
     agreements that are listed or described on Schedule 1.1(ooo)(iii) and any
                                                ----------------------
     other government contracts or agreements entered into after the date hereof
     and prior to the Contribution Date that relate primarily to the Quantum
     Business;

          (iv) any contract or agreement representing capital or operating
     equipment lease obligations reflected on the Quantum Balance Sheet,
     including obligations as lessee under those contracts or agreements listed
     on Schedule 1.1(ooo)(iv);
        ---------------------

          (v) any contract or agreement that is otherwise expressly contemplated
     pursuant to this Agreement or any of the Ancillary Agreements to be
     transferred or assigned to Quantum or any member of the Quantum Group on or
     prior to the

                                       12

<PAGE>

     Contribution Date or to remain with Quantum or any member of the Quantum
     Group subsequent to the Contribution Date; and

          (vii) any guarantee, indemnity, representation or warranty of any
     member of the Quantum Group.

     (ppp) "Quantum Group" shall mean (i) Quantum and (ii) each Business Entity
which is a Subsidiary of Quantum prior to the Distribution Date, which shall
include those identified as such on Schedule 1.1(ppp) (which Schedule shall also
                                    -----------------
indicate the amount of Quantum's direct or indirect ownership interest therein)
hereto.

     (qqq) "Quantum Indemnitees" shall mean Quantum, each member of the Quantum
Group, each of their respective directors, officers, employees, agents,
attorneys and representatives and each of the heirs, executors, successors and
assigns of any of the foregoing.

     (rrr) "Quantum Liabilities" shall mean:

          (i) any and all liabilities that are expressly contemplated by this
     Agreement or any Ancillary Agreement (or the Schedules hereto or thereto)
     as liabilities to be assumed by Quantum or any member of the Quantum Group
     prior to the Effective Time or to remain with any member of the Quantum
     Group subsequent to the Effective Time, including Quantum's obligations
     under Section 2.11, and all agreements, obligations and liabilities of
     Quantum or any member of the Quantum Group under this Agreement or any of
     the Ancillary Agreements, including those liabilities set forth on Schedule
                                                                        --------
     1.1 (rrr)(i) hereto;
     ------------

          (ii) all liabilities (other than Taxes, employee-related liabilities
     and liabilities relating to employee benefit plans specifically addressed
     and allocated in any Ancillary Agreement), primarily relating to, arising
     out of or resulting from:

               (A) the operation of the Quantum Business, as conducted at any
          time prior to, on or after the Effective Time, including (1) any
          liability relating to, arising out of or resulting from any act or
          failure to act by any director, officer, employee, agent or
          representative (whether or not such act or failure to act is or was
          within such person's authority), and (2) all liabilities under and
          resulting from the Specified Litigation;

               (B) any Quantum Asset or Quantum's obligations and liabilities
          under the Joint Contracts, whether arising before, on or after the
          Effective Time;

          (iii) all liabilities reflected as liabilities or obligations on the
     Quantum Balance Sheet or the accounting records supporting such balance
     sheet, and all liabilities arising or assumed after the date of such
     balance sheet which, had they arisen or been assumed on or before such date
     and been retained as of such date, would have been reflected on such
     balance sheet or the accounting records supporting such balance sheet,
     subject to

                                       13

<PAGE>

     any discharge of such liabilities subsequent to the date of the Quantum
     Balance Sheet; and

          (iv) all obligations and liabilities of IMPCO, Quantum or any member
     of the IMPCO Group or the Quantum Group under any Quantum Contract;

          (v) all liabilities relating to the Quantum Technology and any and all
     of the Quantum Group's use and licensing thereof; and

          (vi) all liabilities arising out of, related to or based upon any
     misstatement in or omission from the Form 10, the Information Statement or
     any amendments thereof or supplements thereto; except to the extent that
     any such liabilities arise out of or are based upon statements made therein
     in reliance upon and in conformity with written information furnished to
     Quantum by or on behalf of IMPCO specifically for inclusion therein, it
     being understood that the only such information is that set forth in
     Schedule 1.1(pp)(iii).
     ---------------------

               Notwithstanding the foregoing, the Quantum Liabilities shall not
          include:

               (x) all liabilities reflected on the Quantum Balance Sheet as
          ["due to parent"][need actual title of line item] (the "Excluded
          Liabilities"), and all liabilities arising or assumed after the date
          of such balance sheet which would have been designated as included in
          Excluded Liabilities, had they arisen or been assumed on or before
          such date and been retained as of such date; provided, however that
          any liabilities set forth on Schedule 1.1(rrr)(x) shall not be
                                       --------------------
          Excluded Liabilities;

               (y) any liabilities that are expressly contemplated by this
          Agreement or any Ancillary Agreement (or the Schedules hereto or
          thereto) as liabilities to be retained or assumed by IMPCO or any
          member of the IMPCO Group, including any liabilities set forth in
          Schedule 1.1(rrr)(y); or
          --------------------

               (z) all agreements and obligations of any member of the IMPCO
          Group under this Agreement or any of the Ancillary Agreements.

     (sss) "Quantum Market" shall mean the following:

          (i) on an exclusive basis (even as to IMPCO and any Subsidiary
     thereof), the worldwide market for original equipment manufacturers of
     Class 1 though Class 5 vehicles, except for diesel vehicles;

          (ii) on a non-exclusive basis, the worldwide market for original
     equipment manufacturers of Classes 6 and 7 vehicles; and

          (iii) on an exclusive basis (even as to IMPCO and any Subsidiary
     thereof), the worldwide market for components, subsystems and systems used
     in the storage, metering and electronic control of all gaseous fuels for
     use with all fuel cell applications only.

                                       14

<PAGE>

     (ttt) "Quantum Modifications" shall mean any improvements, enhancements,
extensions, and/or modifications of any kind to the Tri-Shield Tank made by or
on behalf of Quantum, after the Contribution Date.

     (uuu) "Quantum Technology" shall have the meaning set forth in Section
1.1(jjj)(v).

     (vvv) "Quantum Transferred Assets" shall mean those assets described in
Section 1.1(jj)(B).

     (www) "Recipient" shall have the meaning set forth in Section 1.1(q).

     (xxx) "Records" shall have the meaning set forth in Section 4.1.

     (yyy) "Restricted Period" shall have the meaning set forth in Section
2.16(b).

     (zzz) "Reserved Technology Rights" shall have the meaning set forth in
Section 2.1(b)(i).

     (aaaa) [Reserved]

     (bbbb) "Rules" shall have the meaning set forth in Section 7.2.

     (cccc) "Security Interest" shall mean any mortgage, security interest,
pledge, lien, charge, claim, option, right to acquire, voting or other
restriction, right-of-way, covenant, condition, easement, encroachment,
restriction on transfer, or other encumbrance of any nature whatsoever.

     (dddd) "Shared Policies" shall mean all Policies, current or past, which
are owned or maintained by or on behalf of IMPCO or any Subsidiary of IMPCO
immediately prior to the Effective Time which relate to both the IMPCO Business
and the Quantum Business.

     (eeee) "Specified Litigation" shall mean the litigation entitled IMPCO
Technologies, Inc. v. GFI Control Systems, Inc., Case No. 00-73633 filed in the
United States District Court for the Eastern District of Michigan, Eastern
Division.

     (ffff) "Strategic Alliance Agreement" shall mean the Strategic Alliance
Agreement, dated as of ______, 2002 by and between IMPCO and Quantum.

     (gggg) "Subsidiary" shall mean any corporation, partnership, limited
liability company or other entity of which another entity (i) owns, directly or
indirectly, ownership interests sufficient to elect a majority of the Board of
Directors (or persons performing similar functions) (irrespective of whether at
the time any other class or classes of ownership interests of such corporation,
partnership, limited liability company or other entity shall or might have such
voting power upon the occurrence of any contingency) or (ii) is a general
partner or an entity performing similar functions (e.g., a trustee).

                                       15

<PAGE>

     (hhhh) "Tax" shall have the meaning set forth in the Tax Allocation and
Indemnification Agreement.

     (iiii) "Tax Allocation and Indemnification Agreement" shall mean the Tax
Allocation and Indemnification Agreement, dated as of __________, 2002, by and
between IMPCO and Quantum.

     (jjjj) "Technology" shall mean (1) Copyrights, (2) Know-how, (3) Patents,
(4) Trademarks, all intellectual property rights relating to items (1) through
(4) above, and Improvements of items (1) through (4) above.

     (kkkk) "Technology Term" shall have the meaning set forth in Section
2.1(b)(iii).

     (llll) "Third Party Claim" shall have the meaning set forth in Section 3.3.

     (mmmm) "Trademarks" shall mean (i) all trademarks, service marks, trade
names, rights in trade dress, and all trademark interests throughout the world,
and all right, title and interest in related applications and registrations
throughout the world, whether arising under the laws of the United States or any
other state, country or jurisdiction, including all rights or causes of action
for infringement or misappropriation of the foregoing; and (ii) all goodwill
associated with and all amendments to and renewals of any of the foregoing.

     (nnnn) "Transition Services Agreement" shall mean the Transition Services
Agreement, dated as of ______, 2002 by and between IMPCO and Quantum.

     (oooo) "Tri-Shield Tank" shall mean the all-composite Type IV tank used for
pressurized storage of gaseous fuels and other fuels.

     (pppp) "Tri-Shield Tank Technology" shall mean all Technology relating to
the Tri-Shield Tank.

     SECTION 1.2 REFERENCES; INTERPRETATION. References in this Agreement to any
gender include references to all genders, and references to the singular include
references to the plural and vice versa. The words "include," "includes" and
"including" when used in this Agreement shall be deemed to be followed by the
phrase "without limitation." Unless the context otherwise requires, references
in this Agreement to Articles, Sections, Exhibits and Schedules shall be deemed
references to Articles and Sections of, and Exhibits and Schedules to, such
Agreement. Unless the context otherwise requires, the words "hereof," "hereby"
and "herein" and words of similar meaning when used in this Agreement refer to
this Agreement in its entirety and not to any particular Article, Section or
provision of this Agreement.

                                       16

<PAGE>

                                   ARTICLE II

             DISTRIBUTION AND OTHER TRANSACTIONS; CERTAIN COVENANTS

     SECTION 2.1 THE DISTRIBUTION AND OTHER TRANSACTIONS.

     (a) CERTAIN TRANSACTIONS.

          (i) On or prior to the Distribution Date, IMPCO shall, on behalf of
     itself and its Subsidiaries, transfer or cause to be transferred to Quantum
     or another member of the Quantum Group, effective as of the Effective Time
     of Contribution, all of IMPCO's and its Subsidiaries' right, title and
     interest in and to the Quantum Assets, subject to the Reserved Technology
     Rights and the restrictions relating thereto, as set forth in Section
     2.1(b).

          (ii) On or prior to the Distribution Date, Quantum shall, on behalf of
     itself and its Subsidiaries, transfer or cause to be transferred to IMPCO
     or another member of the IMPCO Group, effective as of the Effective Time of
     Contribution, all of Quantum's and its Subsidiaries' right, title and
     interest in and to the assets described in Section 1.1(ii)(B).

     (b) RESERVED TECHNOLOGY RIGHTS.

          (i) Subject to the terms and conditions of this Agreement, IMPCO
     hereby reserves the non-exclusive, assignable, sublicenseable (through
     multiple-tiers), royalty-free, fully paid up, irrevocable right to (A)
     make, have made, use, have used, sell, offer to sell, import, reproduce,
     distribute, perform and display (publicly or otherwise), create derivative
     works based on, and otherwise fully commercially exploit the Tri-Shield
     Tank Technology and (B) make, have made, use, have used, sell, offer to
     sell, import, reproduce, distribute, perform and display (publicly or
     otherwise), create derivative works based on, and otherwise fully
     commercialize the Tri-Shield Tank (collectively the "Reserved Technology
     Rights"), in the IMPCO Market, subject to the restrictions in this Section
     2.1(b) and Section 2.16 below. Any and all of the Reserved Technology
     Rights may be exercised on behalf of IMPCO by a third party.

          (ii) The parties further agree that, during the Technology Term,
     Quantum and the Quantum Group shall be limited to marketing, manufacturing,
     importing, selling, licensing, reproducing, distributing and otherwise
     commercializing the Tri-Shield Tank solely in the Quantum Market, subject
     to the additional restrictions in Section 2.16 below.

          (iii) The term ("Technology Term") of IMPCO's rights with regard to
     the Reserved Technology Rights shall commence as of the Contribution Date
     and will continue for a period of five (5) years, and thereafter will
     automatically renew for consecutive one (1) year terms, unless either party
     notifies the other in writing at least ninety (90) days prior to the end of
     the then existing term of its intention not to renew the Technology Term.

                                       17

<PAGE>

          (iv) Within thirty (30) days after receipt of a written request or as
     soon as possible thereafter, Quantum agrees to (A) provide IMPCO with
     requested information and copies of requested Documentation relating to the
     Tri-Shield Tank Technology existing as of the Contribution Date, including
     without limitation manufacturing, testing, quality control, and process
     control information, technical and process information, and other
     Technology relating to the Tri-Shield Tank, and (B) provide IMPCO
     reasonable requested assistance and training in connection with the
     Tri-Shield Tank Technology, including without limitation assistance and
     training in the use, further development, and commercialization of the
     Tri-Shield Tank Technology. Subject to the terms and conditions of this
     Agreement, Quantum hereby grants to IMPCO effective as of the Contribution
     Date, and IMPCO hereby reserves the non-exclusive, assignable,
     sublicenseable, royalty-free, paid-up, irrevocable right and license,
     during the Technology Term, to make, have made, use, have used, sell, offer
     to sell, import, reproduce, distribute, perform and display (publicly or
     otherwise), create derivative works based on, and otherwise fully
     commercialize, such Documentation . The foregoing right and license may be
     exercised on behalf of IMPCO by a third party.

          (v) IMPCO specifically agrees to the following with regard to the
     Tri-Shield Tank manufactured, sold or distributed by IMPCO (hereinafter
     referred to as the "IMPCO Tank"): (A) IMPCO shall not market, sell, or
     distribute the IMPCO Tank under the name "Tri-Shield Tank" (or any other
     reasonably similar name that is likely to cause confusion between the IMPCO
     Tank and the Tri-Shield Tank manufactured by Quantum); (B) IMPCO shall not
     use any of Quantum's Trademarks in conjunction with its efforts to sell and
     market the IMPCO Tank, except as otherwise permitted by applicable law; and
     (C) Quantum shall have no obligation to provide any support or maintenance
     to customers of the IMPCO Tank, and IMPCO shall make no representations to
     that effect to its customers.

          (vi) Subject to the terms and conditions of this Agreement IMPCO
     hereby grants to Quantum a non-exclusive, non-assignable (except in
     accordance with Section 2.1(b)(ix)), non-sublicenseable, royalty-bearing,
     right and license, during the Technology Term, to make, have made, use,
     have used, sell, offer to sell, import, reproduce, distribute, perform and
     display (publicly or otherwise), and create derivative works based on the
     IMPCO Modifications, solely in the Quantum Market and subject to the
     restrictions in Section 2.16 below, for the following limited purposes: (A)
     solely in connection with the Tri-Shield Tank; and (B) for performing
     demonstrations at the facilities of potential customers (provided that such
     demonstrations do not result in the transfer of any Confidential
     Information of IMPCO) in connection with the Tri-Shield Tank, provided that
     Quantum shall not disparage such IMPCO Modifications and shall otherwise
     not use any of IMPCO's Trademarks in connection with the Tri-Shield Tank.
     The foregoing right and license may be exercised on behalf of Quantum by a
     third party. Subject to the foregoing license, IMPCO shall own all right,
     title and interest in and to the IMPCO Modifications. Within thirty (30)
     days after receipt of a written request by Quantum, IMPCO shall provide
     copies of all relevant Documentation and materials relating to such IMPCO
     Modifications.

                                       18

<PAGE>

          (vii) Subject to the terms and conditions of this Agreement, Quantum
     hereby grants to IMPCO a non-assignable (except in accordance with Section
     2.1(b)(ix)), non-sublicenseable, royalty-bearing right and license, during
     the Technology Term, to make, have made, use, have used, sell, offer to
     sell, import, reproduce, distribute, perform and display (publicly or
     otherwise), and create derivative works based on the Quantum Modifications,
     solely in the IMPCO Market and subject to the restrictions in Section 2.16
     below, for the following limited purposes: (A) solely in connection with
     the Tri-Shield Tank; and (B) for performing demonstrations at the
     facilities of potential customers (provided that such demonstrations do not
     result in the transfer of any Confidential Information of Quantum) in
     connection with the Tri-Shield Tank, provided that IMPCO shall not
     disparage such Quantum Modifications. The foregoing right and license may
     be exercised on behalf of IMPCO by a third party. Subject to the foregoing
     license, Quantum shall own all right, title and interest in and to the
     Quantum Modifications. Quantum shall provide copies of all relevant
     Documentation and materials relating to such Quantum Modifications
     immediately after such items are fixed in a tangible medium or reduced to
     practice. Within thirty (30) days after the receipt of a written request by
     IMPCO, Quantum shall provide copies of all relevant Documentation and
     materials relating to such Quantum Modifications.

          (viii) Royalties.
                 ---------

                (A) [CONFIRM THAT 2% OF NET REVENUES AS DEFINED FOR THE USE OF
     MODIFICATIONS IS MARKET] IMPCO shall pay Quantum the following royalties in
     connection with the sale of IMPCO Tanks which include or incorporate one or
     more Quantum Modifications: two percent (2%) of net revenues actually
     received by IMPCO for the sale of such IMPCO Tanks. For purposes of this
     Section 2.1(b)(viii), "net revenues" refers to revenues actually received
     by IMPCO from the purchasers of such IMPCO Tanks less commissions paid or
     payable to third parties, royalties paid or payable to third parties, cost
     of goods, manufacturing costs, shipping and handling charges, any amounts
     attributable to fraud, taxes (sales, use, excise and other taxes), and
     amounts paid, payable, credited or to-be-credited for returns and
     exchanges. With respect to net revenues generated in foreign currency, the
     exchange rate used to determine royalties shall be the applicable exchange
     rate as set forth in the final edition of The Wall Street Journal for the
     business day immediately preceding the date on which payment in foreign
     currency was made by a third party to IMPCO. Net revenues attributable to
     such IMPCO Tanks which are bundled with other products shall be based upon
     the ratio of the average list prices for the applicable IMPCO Tank during
     the immediately preceding three (3) fiscal month period to the average list
     prices of the other products in the bundle during the immediately preceding
     three (3) fiscal month period, provided that, where there is no list price
     for a component, the average list price for such component shall be
     determined by IMPCO in good faith. IMPCO shall pay the royalties with
     respect to each of IMPCO's fiscal quarters within forty-five (45) days
     after the end of such fiscal quarter, or as soon as possible thereafter.
     Upon request by Quantum, IMPCO shall provide the basis for its calculation
     of the royalties due for such fiscal quarter.

                                       19

<PAGE>

                (B) Quantum shall pay IMPCO the following royalties in
     connection with the sale of Tri-Shield Tanks manufactured, sold or
     distributed by Quantum which include or incorporate one or more IMPCO
     Modifications: two percent (2%) of net revenues actually received by
     Quantum for the sale of such tanks. For purposes of this Section
     2.1(b)(viii), "net revenues" refers to revenues actually received by
     Quantum from the purchasers of such tanks less commissions paid or payable
     to third parties, royalties paid or payable to third parties, cost of
     goods, manufacturing costs, shipping and handling charges, any amounts
     attributable to fraud, taxes (sales, use, excise and other taxes), and
     amounts paid, payable, credited or to-be-credited for returns and
     exchanges. With respect to net revenues generated in foreign currency, the
     exchange rate used to determine royalties shall be the applicable exchange
     rate as set forth in the final edition of The Wall Street Journal for the
     business day immediately preceding the date on which payment in foreign
     currency was made by a third party to Quantum. Net revenues attributable to
     such tanks which are bundled with other products shall be based upon the
     ratio of the average list prices for such applicable tank during the
     immediately preceding three (3) fiscal month period to the average list
     prices of the other products in the bundle during the immediately preceding
     three (3) fiscal month period, provided that, where there is no list price
     for a component, the average list price for such component shall be
     determined by Quantum in good faith. Quantum shall pay the royalties with
     respect to each of Quantum's fiscal quarters within forty-five (45) days
     after the end of such fiscal quarter, or as soon as possible thereafter.
     Upon request by IMPCO, Quantum shall provide the basis for its calculation
     of the royalties due for such fiscal quarter.

          (ix) Enforcement of Reserved Technology Rights. During the Technology
               -----------------------------------------
     Term, IMPCO will have the right, but not the obligation, to take action to
     enforce its Intellectual Property Rights in connection with the Reserved
     Technology Rights against any third party that infringes or misappropriates
     such Reserved Technology Rights. If IMPCO declines to take any such action
     and Quantum wishes to take such action, IMPCO and Quantum will consult with
     each other to determine the course of action, if any, to be taken by
     Quantum in such circumstances. Upon IMPCO's written authorization to take
     action against such infringers, which may be withheld in IMPCO's sole
     discretion, Quantum may take the authorized action against such infringers.
     Quantum shall be solely responsible for all costs associated with any
     action taken by Quantum against infringers of the Intellectual Property
     Rights associated with the Reserved Technology Rights. In such
     circumstances, any damage that might be awarded to Quantum will, after
     deduction of actual costs of Quantum, be paid directly to IMPCO.

          (x) Assignment. IMPCO may assign to one or more Affiliate(s) of IMPCO
              ----------
     the right and license granted with respect to the Quantum Modifications
     pursuant to Section 2.1(b)(vii), provided that such Affiliate(s) agrees in
     writing to be bound by the applicable restrictions and to assume the
     applicable obligations set forth in Sections 2.1(b) and Section 2.16.
     Quantum may assign to one or more Affiliate(s) of Quantum the right and
     license granted with respect to the IMPCO Modifications pursuant to Section
     2.1(b)(vi), provided that such Affiliate(s) agrees in writing to be bound
     by the applicable restrictions and to assume the applicable obligations set
     forth in Sections 2.1(b) and 2.16.

                                       20

<PAGE>

     (c) ORIGINAL ISSUANCE AND STOCK DIVIDEND TO IMPCO. Prior to the
Distribution Date, in exchange for the transfer by IMPCO of the Quantum Assets
and the surrender for reissue of certificates representing all outstanding
Quantum Common Shares, Quantum shall issue and deliver to IMPCO a stock
certificate in IMPCO's name representing 10,000,000 Quantum Common Shares. On or
prior to the Distribution Date, Quantum shall issue to IMPCO as a stock dividend
such number of Quantum Common Shares as will be required to effect the
Distribution, as certified by IMPCO's stock transfer agent (the "Agent"). In
connection therewith IMPCO shall deliver to Quantum for cancellation the share
certificate or certificates held by it representing Quantum Common Shares and
shall receive a new certificate or certificates (in such names and denominations
as are directed by IMPCO in writing) representing the total number of Quantum
Common Shares to be owned by IMPCO after giving effect to such stock dividend.
Each Quantum Common Share delivered by Quantum to IMPCO shall be validly issued,
fully paid and nonassessable and free of any preemptive (or similar) rights.

     (d) CHARTER; BY-LAWS. On or prior to the Distribution Date, all necessary
actions shall have been taken to provide for the adoption of the form of Amended
and Restated Certificate of Incorporation of Quantum (the "Quantum Amended and
Restated Certificate"), including the filing thereof with the Secretary of State
of Delaware, and the amended and restated By-laws of Quantum (the "Quantum
By-laws"), in substantially the form filed by Quantum with the Commission as
exhibits to the Form 10.

     (e) DIRECTORS. On or prior to the Distribution Date, IMPCO as the sole
stockholder of Quantum, shall have taken all necessary actions on or prior to
the Distribution Date to cause the Board of Directors of Quantum to consist of
the individuals identified in the Information Statement as directors of Quantum.

     (f) CERTAIN LICENSES AND PERMITS. Without limiting the generality of the
obligations set forth in Section 2.1(a), on or prior to the Distribution Date or
as soon as reasonably practicable thereafter:

          (i) all transferable licenses, permits and authorizations issued by
     any Governmental Authority which relate primarily to the Quantum Business
     but which are held in the name of IMPCO or any member of the IMPCO Group,
     or in the name of any employee, officer, director, stockholder or agent of
     IMPCO or any such member, or otherwise, on behalf of a member of the
     Quantum Group, including but not limited to those licenses, permits and
     authorizations set forth on Schedule 2.1(f)(i), shall be duly and validly
                                 ------------------
     transferred or caused to be transferred by IMPCO to the appropriate member
     of the Quantum Group; and

          (ii) all transferable licenses, permits and authorizations issued by
     Governmental Authorities which do not relate primarily to the Quantum
     Business but which are held in the name of any member of the Quantum Group,
     or in the name of any employee, officer, director, stockholder, or agent of
     any such member, or otherwise, on behalf of a member of the Quantum Group,
     including but not limited to those licenses, permits and authorizations set
     forth on Schedule 2.1(f)(ii), shall be duly and validly
              -------------------

                                       21

<PAGE>

     transferred or caused to be transferred by Quantum to IMPCO or the
     appropriate member of the IMPCO Group.

     (g) TRANSFER OF AGREEMENTS. Without limiting the generality of the
obligations set forth in Section 2.1(a):

          (i) IMPCO hereby agrees that, on or prior to the Distribution Date or
     as soon as reasonably practicable thereafter, subject to the limitations
     set forth in this Section 2.1(g), it will, and it will cause each member of
     the IMPCO Group to, assign, transfer and convey to the appropriate member
     of the Quantum Group all of IMPCO's or such member of the IMPCO Group's
     respective right, title and interest in and to any and all Quantum
     Contracts.

          (ii) Quantum hereby agrees that, on or prior to the Distribution Date
     or as soon as reasonably practicable thereafter, subject to the limitations
     set forth in this Section 2.1(g), it will, and it will cause each member of
     the Quantum Group to, assign, transfer and convey to IMPCO or the
     appropriate member of the IMPCO Group all of Quantum's or such member of
     the Quantum Group's respective right, title and interest in and to any and
     all IMPCO Contracts.

          (iii) Subject to the provisions of this Section 2.1(g), the Joint
     Contracts shall be assigned in part so that each party shall be entitled to
     the rights and benefits inuring to its business under each such agreement.

          (iv) The assignee of any agreement assigned, in whole or in part,
     hereunder (an "Assignee") shall assume and agree to pay, perform, and fully
     discharge all past, present and future obligations of the assignor under
     such agreement or, in the case of a partial assignment under paragraph
     (g)(iii), such Assignee's related portion of such obligations as determined
     in accordance with the terms of the relevant agreement, where determinable
     on the face thereof, and otherwise as determined in accordance with the
     practice of the parties prior to the Distribution.

          (v) Notwithstanding anything in this Agreement or any Ancillary
     Agreement to the contrary, neither this Agreement nor any Ancillary
     Agreement shall constitute an agreement to assign or an assignment of any
     agreement, in whole or in part, or any rights thereunder if the agreement
     to assign, attempt to assign or assignment, without the consent of a third
     party, would constitute a breach thereof or in any way adversely affect the
     rights of the assignor or Assignee thereof. Until such consent is obtained,
     or if an attempted assignment thereof would be ineffective or would
     adversely affect the rights of any party hereto so that the intended
     Assignee would not, in fact, receive all such rights, the parties will
     cooperate with each other in any arrangement designed to provide for the
     intended Assignee the benefits of, and to permit the intended Assignee to
     assume liabilities under, any such agreement.

          (vi) Without limiting the generality of the provisions of paragraph
     (g)(v) above:

                                       22

<PAGE>

                (A) If the parties do not obtain a required consent to the
     assignment by IMPCO to Quantum of any Quantum Contract which contains
     provisions for the benefit of IMPCO protecting the confidentiality of
     proprietary information ("Confidentiality Provisions"), IMPCO shall, upon
     the request of Quantum and at Quantum's sole expense (including
     disbursements and costs of salaries, plus a fixed rate in the amount of
     thirty percent (30%) of such salaries to cover employee benefits, and all
     other out-of-pocket expenses incurred by IMPCO in connection therewith),
     promptly enforce any breaches by a third party of any such Confidentiality
     Provisions, and thereafter shall remit to Quantum any proceeds of any such
     enforcement efforts promptly after receipt thereof (after deduction
     therefrom of any enforcement expenses not theretofore reimbursed by
     Quantum). Quantum shall cooperate fully with and provide assistance to
     IMPCO in connection with the enforcement of any such Confidentiality
     Provisions.

                (B) If the parties do not obtain a required consent to the
     assignment by Quantum to IMPCO of any IMPCO Contract which Confidentiality
     Provisions for the benefit of Quantum, Quantum shall, upon the request of
     IMPCO and at IMPCO's sole expense (including disbursements and costs of
     salaries, plus a fixed rate in the amount of thirty percent (30%) of such
     salaries to cover employee benefits, and all other out-of-pocket expenses
     incurred by Quantum in connection therewith), promptly enforce any breaches
     by a third party of any such Confidentiality Provisions, and thereafter
     shall remit to IMPCO any proceeds of any such enforcement efforts promptly
     after receipt thereof (after deduction therefrom of any enforcement
     expenses not theretofore reimbursed by IMPCO). IMPCO shall cooperate fully
     with and provide assistance to Quantum in connection with the enforcement
     of any such Confidentiality Provisions.

                (C) If the parties do not obtain a required consent to the
     assignment by IMPCO to Quantum of any agreement with an independent
     contractor constituting a Quantum Contract which contains invention
     assignment provisions ("Invention Assignment Provisions") for the benefit
     of IMPCO, and if, in accordance with paragraph (v) above, the parties enter
     into an arrangement to provide Quantum the benefits of such Quantum
     Contract, then IMPCO shall, upon the request of Quantum and at Quantum's
     sole expense (including disbursements and costs of salaries, plus a fixed
     rate in the amount of thirty percent (30%) of such salaries to cover
     employee benefits, and all other out-of-pocket expenses incurred by IMPCO
     in connection therewith), promptly enforce any such Invention Assignment
     Provisions and promptly assign to Quantum all of IMPCO's rights to any such
     Technology assigned to IMPCO under any such Invention Assignment
     Provisions. Quantum shall cooperate fully with and provide assistance to
     IMPCO in connection with the enforcement of any such Invention Assignment
     Provisions.

                 (D) If the parties do not obtain a required consent to the
     assignment by Quantum to IMPCO of any agreement with an independent
     contractor constituting an IMPCO Contract which contains Invention
     Assignment Provisions for the benefit of Quantum, and if, in accordance
     with paragraph (g)(v) above, the parties enter into an arrangement to
     provide IMPCO the benefits of such IMPCO Contract, then Quantum shall, upon
     the request of IMPCO and at IMPCO's sole expense (including disbursements
     and costs of salaries, plus a fixed rate in the amount of thirty percent
     (30%) of such

                                       23

<PAGE>

     salaries to cover employee benefits, and all other out-of-pocket expenses
     incurred by Quantum in connection therewith), promptly enforce any such
     Invention Assignment Provisions and promptly assign to IMPCO all of
     Quantum's rights to any such Technology assigned to Quantum under any such
     Invention Assignment Provisions. IMPCO shall cooperate fully with and
     provide assistance to Quantum in connection with the enforcement of any
     such Invention Assignment Provisions.

     (h) NOVATION OF ASSUMED QUANTUM LIABILITIES. Without limiting the
generality of the obligations set forth in Section 2.1(a):

          (i) Each of IMPCO and Quantum, at the request of the other, shall use
     its reasonable best efforts to obtain, or to cause to be obtained, any
     consent, substitution, approval or amendment required to novate (including
     with respect to any contract with a Governmental Authority) or assign all
     obligations under agreements, leases, licenses and other obligations or
     liabilities of any nature whatsoever that constitute Quantum Liabilities,
     or to obtain in writing the unconditional prospective release of any and
     all obligations or liabilities arising from and after the Contribution Date
     of all parties to such arrangements other than any member of the Quantum
     Group, so that, in any such case, Quantum and its Subsidiaries will be
     solely responsible for such liabilities; provided, however, that none of
     IMPCO or Quantum shall be obligated to pay any consideration therefor to
     any third party from whom such consents, approvals, substitutions,
     amendments and prospective releases are requested if the consideration
     requested by any such third party exceeds 10% of the total amounts payable
     by or to Quantum under such contract. IMPCO and Quantum agree to enter into
     a novation agreement with the United States Government providing for the
     assignment of government contracts that are Quantum Contracts from IMPCO to
     Quantum substantially in the form of the novation agreement prescribed by
     the Federal Acquisition Regulation ("FAR") or upon such terms as may be
     reasonably requested by the federal government and to provide the documents
     prescribed by the FAR to be filed with such novation request.

          (ii) If IMPCO or Quantum is unable to obtain, or to cause to be
     obtained, any such required consent, approval, prospective release,
     substitution or amendment, the applicable member of the IMPCO Group shall
     continue to be bound by such agreements, leases, licenses and other
     obligations ("Unreleased IMPCO Liabilities") and, unless not permitted by
     law or the terms thereof, Quantum shall, as agent or subcontractor for
     IMPCO or such other person and where appropriate in the name thereof, as
     the case may be, pay, perform and discharge fully all the Unreleased IMPCO
     Liabilities from and after the Contribution Date. Quantum shall indemnify
     each IMPCO Indemnitee and hold each of them harmless from and against any
     Unreleased IMPCO Liabilities. IMPCO shall, without further consideration,
     pay and remit, or cause to be paid or remitted to Quantum promptly all
     money, rights and other consideration received by it or any member of its
     Group in respect of such performance (unless any such consideration is an
     IMPCO Asset). If and when any such consent, approval, prospective release,
     substitution or amendment shall be obtained or such agreement, lease,
     license or other rights or obligations shall otherwise become assignable or
     able to be novated, IMPCO shall thereafter assign, or cause to be assigned,
     all its rights, obligations and other liabilities

                                       24

<PAGE>

     thereunder or any rights or obligations of any member of its Group to
     Quantum without payment of further consideration and Quantum shall, without
     the payment of any further consideration, assume such rights and
     obligations.

     (i) NOVATION OF LIABILITIES OTHER THAN QUANTUM LIABILITIES. Without
limiting the generality of the obligations set forth in Section 2.1(a):

          (i) Each of IMPCO and Quantum, at the request of the other, shall use
     its reasonable best efforts to obtain, or to cause to be obtained, any
     consent, substitution, approval or amendment required to novate or assign
     all obligations under agreements, leases, licenses and other obligations or
     liabilities of any nature whatsoever that do not constitute Quantum
     Liabilities, or to obtain in writing the unconditional prospective release
     of any and all obligations or liabilities arising from and after the
     Contribution Date of all parties to such arrangements other than any member
     of the IMPCO Group, so that, in any such case, the members of the IMPCO
     Group will be solely responsible for such liabilities; provided, however,
     that neither IMPCO nor Quantum shall be obligated to pay any consideration
     therefor to any third party from whom such consents, approvals,
     substitutions, amendments and prospective releases are requested.

          (ii) If IMPCO or Quantum is unable to obtain, or to cause to be
     obtained, any such required consent, approval, prospective release,
     substitution or amendment, the applicable member of the Quantum Group shall
     continue to be bound by such agreements, leases, licenses and other
     obligations ("Unreleased Quantum Liabilities") and, unless not permitted by
     law or the terms thereof, IMPCO shall cause a member of the IMPCO Group, as
     agent or subcontractor for such member of the Quantum Group and where
     appropriate in the name thereof, to pay, perform and discharge fully all
     the Unreleased Quantum Liabilities from and after the Contribution Date.
     IMPCO shall indemnify each Quantum Indemnitee and hold each of them
     harmless from and against any Unreleased Quantum Liabilities. Quantum shall
     cause each member of the Quantum Group without further consideration, to
     pay and remit, or cause to be paid or remitted, to IMPCO or to another
     member of the IMPCO Group specified by IMPCO promptly all money, rights and
     other consideration received by it or any member of the Quantum Group in
     respect of such performance (unless such consideration is a Quantum Asset).
     If and when any such consent, approval, prospective release, substitution
     or amendment shall be obtained or such agreement, lease, license or other
     rights or obligations shall otherwise become assignable or able to be
     novated, Quantum shall promptly assign, or cause to be assigned, all its
     rights, obligations and other liabilities thereunder or any rights or
     obligations of any member of the Quantum Group to IMPCO or to another
     member of the IMPCO Group specified by IMPCO without payment of further
     consideration and IMPCO, without the payment of any further consideration
     shall, or shall cause such other member of the IMPCO Group to, assume such
     rights and obligations.

     (j) CONSENTS. The parties hereto shall use their commercially reasonable
efforts to obtain required consents to the transfer and/or assignment of
licenses, permits and authorizations of Governmental Authorities and of
agreements hereunder.

                                       25

<PAGE>

     (k) DELIVERY OF SHARES TO AGENT. IMPCO shall deliver to the Agent the share
certificates representing the Quantum Common Shares issued to IMPCO by Quantum
pursuant to Section 2.1(c) which are to be distributed to the holders of IMPCO
Common Stock in the Distribution and shall instruct the Agent to distribute, on
or as soon as practicable following the Distribution Date, certificates
representing such Quantum Common Shares to holders of record of shares of IMPCO
Common Stock on the Distribution Record Date as further contemplated by the
Information Statement and herein. Quantum shall provide all share certificates
that the Agent shall require in order to effect the Distribution.

     (l) FRACTIONAL SHARES. As soon as practicable after the Distribution Date,
IMPCO shall direct the Agent to determine the number of whole shares and
fractional shares of Quantum Common Stock allocable to each holder of record or
beneficial owner of IMPCO Common Stock as of the Distribution Record Date, to
aggregate all such fractional shares and sell the whole shares obtained thereby
in open market transactions or otherwise, in each case at then prevailing
trading prices (and in each case in accordance with the rules, regulations and
interpretations of the Commission), and to cause to be distributed to each such
holder or for the benefit of each such beneficial owner, in lieu of any
fractional share, such holder's or owner's ratable share of the proceeds of such
sale, after making appropriate deductions of the amount required to be withheld
for federal income tax purposes and after deducting an amount equal to all
brokerage charges, commissions and transfer taxes attributed to such sale.

     (m) CERTAIN LIABILITIES. For purposes of this Agreement, including Article
III hereof, Quantum agrees with IMPCO that:

          (i) any and all liabilities arising from or based upon misstatements
     in or omissions from the Form 10 filed by Quantum shall be deemed to be
     Quantum Liabilities and not IMPCO liabilities; provided, however, Quantum
     will not be liable to the extent that any such liability arises out of or
     is based upon any misstatement in or omission from the Form 10 made therein
     in reliance upon and in conformity with written information furnished to
     Quantum by or on behalf of IMPCO specifically for inclusion therein, it
     being understood that the only such information is that set forth in
     Schedule 1.1(pp)(iii).
     ---------------------

          (ii) except as otherwise provided in this Agreement or the Ancillary
     Agreements, any liabilities not specifically allocated to Quantum pursuant
     to this Agreement (including the schedules hereto) or the Ancillary
     Agreements (including all schedules thereto) shall be deemed to be IMPCO
     Liabilities and not Quantum Liabilities.

     (n) OTHER TRANSACTIONS. On or prior to the Distribution Date, each of IMPCO
and Quantum shall consummate those other transactions in connection with the
Distribution that are contemplated by the Form 10 and Exhibit A hereto, in order
                                                      ---------
to implement the Distribution. After the Distribution Date, each of IMPCO and
Quantum will exercise good faith commercially reasonable efforts to consummate
as promptly as practicable all other transactions which must be consummated in
order fully to complete the Contribution, the Distribution and any of the
transactions contemplated hereby or by any of the Ancillary Agreements.

                                       26

<PAGE>

     SECTION 2.2 IMPCO BOARD ACTION; CONDITIONS PRECEDENT TO THE DISTRIBUTION.
IMPCO's Board of Directors shall, in its sole discretion, establish the
Distribution Record Date and the Distribution Date and any appropriate
procedures in connection with the Distribution. In no event shall the
Distribution occur unless the following conditions shall, unless waived by IMPCO
in its sole discretion, have been satisfied:

     (a) the Form 10 shall have been declared effective under the Exchange Act,
and there shall be no stop order in effect with respect thereto and no
proceeding for that purpose shall have been instituted by the Commission;

     (b) IMPCO and/or Quantum shall have entered into agreements satisfactory to
IMPCO in its sole discretion for the financing necessary to consummate the
Distribution and the related transactions and IMPCO and/or Quantum shall have
received the requisite funds pursuant to such financing agreements;

     (c) Quantum's Board of Directors, as named in the Form 10, shall have been
elected by IMPCO, as sole stockholder of Quantum, and the Quantum Amended and
Restated Certificate and the Quantum Bylaws shall be in effect;

     (d) the Quantum Common Stock shall have been approved for listing on the
Nasdaq National Market, subject to official notice of issuance;

     (e) all action shall have been taken as may be necessary or appropriate
under the securities or blue sky laws of the United States (and any comparable
laws under any foreign jurisdiction) in connection with the Distribution;

     (f) IMPCO's Board of Directors shall have formally approved the
Distribution and shall not have abandoned, deferred or modified the Distribution
at any time prior to the Distribution Date;

     (g) IMPCO shall have received an opinion of Morrison & Foerster LLP to the
effect that the Distribution will qualify as a distribution under Section 355(a)
of the Code, and such opinion shall be in form and substance satisfactory to
IMPCO's Board of Directors in its sole discretion;

     (h) the transaction's transfer of assets and assumption of liabilities as
contemplated by Article II shall have been consummated in all material respects
and each of the Ancillary Agreements, in form and substance satisfactory to
IMPCO, shall have been executed by the parties thereto and each of the
transactions contemplated by the Ancillary Agreements to be consummated on or
prior to the Distribution Date shall have been consummated;

     (i) all material approvals or consents of any Governmental Authority
necessary to consummate the Distribution shall have been obtained and be in full
force and effect;

     (j) no preliminary or permanent injunction or other order, decree or ruling
issued by a court of competent jurisdiction or by a government, regulatory or
administrative agency or

                                       27

<PAGE>

commission, and no statute, rule, regulation or executive order promulgated or
enacted by any Governmental Authority, shall be in effect preventing the payment
of the Distribution;

     (k) no other events or developments shall have occurred subsequent to the
date hereof that, in the judgment of the IMPCO Board of Directors, would result
in the Distribution having a material adverse effect on IMPCO or on the
stockholders of IMPCO;

     (l) the Board of Directors of IMPCO shall have received an opinion
satisfactory to the Board of Directors of IMPCO relating to the solvency of each
of Quantum and IMPCO and any other opinions referred to in the Information
Statement; and

     (m) IMPCO or Quantum shall have received an opinion from its financial
advisor, satisfactory to the Board of Directors of IMPCO, as to the business
purpose of the Distribution.

PROVIDED, that the satisfaction of such conditions shall not create any
obligation on the part of IMPCO to effect the Distribution or in any way limit
IMPCO's power of termination set forth in Section 9.11 or alter the consequences
of any such termination from those specified in such Section.

     SECTION 2.3 INTERCOMPANY ACCOUNTS.

     (a) All Intercompany Accounts (other than receivables, payables and loans
otherwise specifically provided for hereunder, under any Ancillary Agreement or
set forth on Schedule 2.3(a), including payables created or required hereby or
             ---------------
by any Ancillary Agreement), which exist and are reflected in the accounting
records of the relevant parties as of January 31, 2002 or which arise on or
after January 31, 2002 and to the extent not settled by the Distribution Date or
cancelled, shall be paid or settled in the ordinary course of business in a
manner consistent with the payment or settlement of similar accounts arising
from transactions with third parties no later than thirty (30) days after the
Distribution Date.

     (b) At the Effective Time, the Excluded Liabilities shall be deemed to have
been cancelled.

     SECTION 2.4 ASSUMPTION AND SATISFACTION OF LIABILITIES. Notwithstanding
anything provided in any Ancillary Agreement, from and after the Effective Time
of the Contribution, (i) IMPCO shall, and shall cause each member of the IMPCO
Group to, assume, pay, perform and discharge all IMPCO Liabilities and (ii)
Quantum shall, and shall cause each member of the Quantum Group to, assume, pay,
perform and discharge all Quantum Liabilities. In addition to the obligations of
the parties in Sections 2.1(h) and 2.1(i), to the extent reasonably requested to
do so by another party hereto, each party hereto agrees to sign such documents,
in a form reasonably satisfactory to the requesting party, as may be reasonably
necessary to evidence the assumption of any liabilities hereunder.

                                       28

<PAGE>

     SECTION 2.5 RESIGNATIONS.

     (a) Subject to Section 2.5(b), IMPCO shall cause all of its employees, and
shall cause all of its Subsidiaries to cause all of their respective employees,
to resign, effective as of the Effective Time, from all positions as officers or
directors of any member of the Quantum Group in which they serve, and Quantum
shall cause all its employees, and shall cause all of its Subsidiaries to cause
all of their respective employees, to resign, effective as of the Effective
Time, from all positions as officers or directors of IMPCO or any members of the
IMPCO Group in which they serve.

     (b) No person shall be required by any party hereto to resign from any
position or office with another party hereto if such person is listed on
Schedule 2.5(b) hereto or is disclosed in the Information Statement as the
---------------
person who is to hold such position or office following the Distribution.

     SECTION 2.6 NON-SOLICITATION OF EMPLOYEES.

     (a) From the date of this Agreement, and for a period of two years after
the Effective Time, Quantum hereby covenants and agrees that neither it nor any
of its Affiliates shall actively solicit, or cause or authorize, directly or
indirectly, to be solicited for employment or employ or cause or authorize,
directly or indirectly, to be employed or engaged as an employee, for or on
behalf of itself or any other person, any person who is currently, or was, less
than 90 days prior to the date of this Agreement, an executive officer, senior
manager (or the equivalent thereof), executive vice president or employee of
IMPCO or any of IMPCO's Subsidiaries, without IMPCO's prior written approval.

     (b) From the date of this Agreement, and for a period of two years after
the Effective Time, IMPCO hereby covenants and agrees that neither it nor any of
its Affiliates shall actively solicit, or cause or authorize, directly or
indirectly, to be solicited for employment or employ or cause or authorize,
directly or indirectly, to be employed or engaged as an employee, for or on
behalf of itself or any other person, any person who is currently, or was, less
than 90 days prior to the date of this Agreement, an executive officer, senior
manager (or the equivalent thereof), executive vice president or employee of the
Quantum Business, Quantum or any of Quantum's Subsidiaries, without Quantum's
prior written approval.

     SECTION 2.7 FURTHER ASSURANCES. In case at any time after the Effective
Time any further action is reasonably necessary or desirable to carry out the
purposes of this Agreement and the Ancillary Agreements, the proper officers of
each party to this Agreement shall take all such necessary action. Without
limiting the foregoing, IMPCO and Quantum shall use their commercially
reasonable efforts promptly to obtain all consents and approvals, to enter into
all amendatory agreements and to make all filings and applications that may be
required for the consummation of the transactions contemplated by this Agreement
and the Ancillary Agreements, including, without limitation, all applicable
governmental and regulatory filings.

                                       29

<PAGE>

     SECTION 2.8 LIMITED REPRESENTATIONS OR WARRANTIES. EACH OF THE PARTIES
HERETO AGREES THAT NO PARTY HERETO MAKES, IN THIS AGREEMENT OR IN ANY OTHER
AGREEMENT OR DOCUMENT CONTEMPLATED BY THIS AGREEMENT OR OTHERWISE, AND EACH
PARTY EXPRESSLY DISCLAIMS, ANY REPRESENTATIONS OR WARRANTIES WHATSOEVER, WHETHER
EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, INCLUDING WITHOUT LIMITATION
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
NON-INFRINGEMENT OF THIRD PARTY RIGHTS, TITLE, VALUE, AND ANY WARRANTIES ARISING
OUT OF A COURSE OF PERFORMANCE, DEALING OR TRADE USAGE, INCLUDING WITHOUT
LIMITATION ANY WARRANTIES RELATING IN ANY MANNER TO THE ASSETS, RIGHTS AND
PRIVILEGES BEING TRANSFERRED HEREBY. IT IS ALSO AGREED THAT, NOTWITHSTANDING
ANYTHING TO THE CONTRARY OTHERWISE EXPRESSLY PROVIDED IN THE RELEVANT
CONVEYANCING AND ASSUMPTION INSTRUMENT, ALL ASSETS EITHER TRANSFERRED TO OR
RETAINED BY THE PARTIES, AS THE CASE MAY BE, SHALL BE "AS IS, WHERE IS" AND THAT
(SUBJECT TO SECTION 2.7) THE PARTY TO WHICH SUCH ASSETS ARE TO BE TRANSFERRED
HEREUNDER SHALL BEAR THE ECONOMIC AND LEGAL RISK THAT SUCH PARTY'S OR ANY OF THE
SUBSIDIARIES' TITLE TO ANY SUCH ASSETS SHALL BE OTHER THAN GOOD AND MARKETABLE
AND FREE FROM ENCUMBRANCES. Similarly, each party hereto agrees that,
notwithstanding anything to the contrary otherwise expressly provided in the
relevant Conveyancing and Assumption Instrument, no party hereto represents or
warrants in any way that the obtaining of any consents or approvals, the
execution and delivery of any amendatory agreements and the making of any
filings or applications contemplated by this Agreement will satisfy the
provisions of any or all applicable agreements or the requirements of any or all
applicable laws or judgments, it being agreed that the party to which any Assets
are transferred shall bear the economic and legal risk that any necessary
consents or approvals are not obtained or that any requirements of laws or
judgments are not complied with.

     SECTION 2.9 GUARANTEES.

     (a) Except as otherwise specified herein or in any Ancillary Agreement,
Quantum and IMPCO shall use their commercially reasonable efforts to have, on or
prior to the Contribution Date, or as soon as practicable thereafter, IMPCO and
any member of the IMPCO Group removed as guarantor of or obligor for any Quantum
Liability, including, without limitation, in respect of those guarantees set
forth on Schedule 2.9(a) to the extent that they relate to Quantum Liabilities.
         ---------------

     (b) Except as otherwise specified herein or in any Ancillary Agreement,
Quantum and IMPCO shall use their commercially reasonable efforts to have, on or
prior to the Contribution Date, or as soon as practicable thereafter, Quantum
and any member of the Quantum Group removed as guarantor of or obligor for any
IMPCO Liability, including, without limitation, in respect of those guarantees
set forth on Schedule 2.9(b) to the extent that they relate to IMPCO
             ---------------
Liabilities.

                                       30

<PAGE>

     (c) If Quantum or IMPCO is unable to obtain, or to cause to be obtained,
any such required removal as set forth in clauses (a) or (b) of this Section
2.9, the applicable guarantor or obligor shall continue to be bound as such and,
unless not permitted by law or the terms thereof, the relevant beneficiary shall
or shall cause one of its Subsidiaries, as agent or subcontractor for such
guarantor or obligor to pay, perform and discharge fully all the obligations or
other liabilities of such guarantor or obligor thereunder from and after the
Distribution Date. Either party shall indemnify and hold harmless the other
party for any and all liabilities incurred in connection with this Section 2.9.

     (d) Each party agrees and covenants that if Quantum or IMPCO is unable to
obtain, or to cause to be obtained, any such required removal as set forth in
clauses (a) or (b) of this Section 2.9:

          (i) the relevant beneficiary will use its commercially reasonable
     efforts to ensure that the applicable guarantor will incur no liability
     under the obligation guarantied or other credit support provided by the
     applicable guarantor;

          (ii) the relevant beneficiary will perform and be bound by all
     covenants set forth in the instrument setting forth the relevant guaranty;
     and

          (iii) that, notwithstanding anything to the contrary herein or in any
     Ancillary Agreement, any and all fees and costs incurred by either party in
     connection with the relevant guaranty or other credit support provided by
     the applicable guarantor and the pursuit of the independent line of credit
     will be borne by the relevant beneficiary.

     SECTION 2.10 WITNESS SERVICES. At all times from and after the Distribution
Date, each of IMPCO and Quantum shall use their commercially reasonable efforts
to make available to the other, upon reasonable written request, its and its
Subsidiaries' officers, directors and employees as witnesses to the extent that
(i) such persons may reasonably be required in connection with the prosecution
or defense of any Action in which the requesting party may from time to time be
involved relating to (A) the operation of the Quantum Business or the IMPCO
Business prior to the Effective Time or (B) the Reserved Technology Rights, and
(ii) there is no conflict in the Action between the requesting party and IMPCO
or Quantum as applicable. A party providing witness services to the other party
under this Section shall be entitled to receive from the recipient of such
services, upon the presentation of invoices therefor, payments for such amounts,
relating to disbursements and other out-of-pocket expenses (which shall be
deemed to exclude the costs of salaries and benefits of employees who are
witnesses), as may be reasonably incurred in providing such witness services.

     SECTION 2.11 TAX AND OTHER MATTERS.

     (a) (i) IMPCO shall comply and shall cause its Subsidiaries to comply with
and otherwise not take action inconsistent with each representation and
statement made to Morrison & Foerster LLP in connection with the request by
IMPCO for an opinion in respect of the Distribution as to certain federal income
tax aspects of the Distribution, and (ii) at least until

                                       31

<PAGE>

three years after the Distribution Date, IMPCO will maintain its status as a
company engaged in the active conduct of a trade or business, within the meaning
of Section 355(b) of the Code.

     (b) (i) Quantum shall comply and shall cause its Subsidiaries to comply
with and otherwise not take action inconsistent with each representation and
statement made to Morrison & Foerster LLP in connection with the request by
IMPCO for an opinion in respect of the Distribution as to certain federal income
tax aspects of the Distribution, and (ii) at least until three years after the
Distribution Date, Quantum will maintain its status as a company engaged in the
active conduct of a trade or business, within the meaning of Section 355(b) of
the Code.

     (c) During the three-year period beginning on the Distribution Date,
Quantum will not (i) merge, consolidate or combine with or into any other
corporation, (ii) liquidate or partially liquidate, (iii) sell or transfer all
or substantially all of its assets (within the meaning of Rev. Proc. 77-37,
1977-2 C.B. 568) in a single transaction or series of related transactions, (iv)
redeem or otherwise repurchase any Quantum Common Shares (other than as
described in Section 4.05(1)(b) of Rev. Proc. 96-30, 1996-1 C.B. 696), or (v)
take any other action or actions which could reasonably be expected have the
effect of causing Section 355(e) of the Code to apply to the Distribution,
unless prior to taking such action Quantum has obtained (and provided to IMPCO)
a written opinion of a law firm reasonably acceptable to IMPCO, or a ruling from
the Internal Revenue Service, that such action or actions will not result in the
Quantum Common Shares failing to qualify as qualified property for purposes of
Section 355(c)(2) or 361(c)(2) of the Code by reason of Section 355(e) of the
Code.

     (d) Notwithstanding anything to the contrary herein or in the Ancillary
Agreements, if IMPCO or Quantum (or any of their respective Subsidiaries) fails
to comply with any of its obligations under Sections 2.11(a) through (and
including) 2.11(c) above or takes or fails to take any action on or after the
Distribution Date, and such action or failure to comply, action or omission
contributes to a determination that (i) the Distribution fails to qualify under
Section 355(a) of the Code or (ii) the Quantum Common Shares fail to qualify as
qualified property for purposes of Section 355(c)(2) or 361(c)(2) of the Code by
reason of Section 355(e) of the Code, then such party shall indemnify and hold
harmless the other party, each member of the consolidated group of which the
other party is a member and the stockholders of either party from and against
any and all Taxes imposed upon or incurred by such other party, any member of
its group or any stockholder of either party as a result of the failure of the
Distribution to qualify under Section 355(a) of the Code or the application of
Section 355(e) of the Code. The obligation of Quantum to indemnify IMPCO
pursuant to the preceding sentence shall not be affected by the delivery of any
legal opinion or ruling from the Internal Revenue Service under Section 2.11(c).

                                       32

<PAGE>

     SECTION 2.12 TRANSFERS NOT EFFECTED PRIOR TO THE DISTRIBUTION; TRANSFERS
DEEMED EFFECTIVE AS OF THE DISTRIBUTION DATE. To the extent that any transfers
contemplated by this Article II shall not have been consummated on or prior to
the Distribution Date, the parties shall cooperate to effect such transfers as
promptly following the Distribution Date as shall be practicable. Nothing herein
shall be deemed to require the transfer of any assets or the assumption of any
liabilities which by their terms or operation of law cannot be transferred;
provided, however, that the parties hereto and their respective Subsidiaries
shall cooperate to seek to obtain any necessary consents or approvals for the
transfer of all assets and liabilities contemplated to be transferred pursuant
to this Article II. In the event that any such transfer of assets or liabilities
has not been consummated, from and after the Distribution Date, the party
retaining such asset or liability shall hold such asset in trust for the use and
benefit of the party entitled thereto (at the expense of the party entitled
thereto) or retain such liability for the account of the party by whom such
liability is to be assumed pursuant hereto, as the case may be, and take such
other action as may be reasonably requested by the party to whom such asset is
to be transferred, or by whom such liability is to be assumed, as the case may
be, in order to place such party, insofar as is reasonably possible, in the same
position as would have existed had such asset or liability been transferred as
contemplated hereby. As and when any such asset or liability becomes
transferable, such transfer shall be effected forthwith. The parties agree that,
as of the Contribution Date, each party hereto shall be deemed to have acquired
complete and sole beneficial ownership over all of the assets, together with all
rights, powers and privileges incident thereto, and shall be deemed to have
assumed in accordance with the terms of this Agreement all of the liabilities,
and all duties, obligations and responsibilities incident thereto, which such
party is entitled to acquire or required to assume pursuant to the terms of this
Agreement.

     SECTION 2.13 CONVEYANCING AND ASSUMPTION INSTRUMENTS. In connection with
the transfers of assets and the assumptions of liabilities contemplated by this
Agreement, the parties shall execute, or cause to be executed by the appropriate
entities, the Conveyancing and Assumption Instruments in substantially the form
contemplated hereby. Without limiting the generality of the foregoing, the
transfer of capital stock shall be effected by means of delivery of stock
certificates and executed stock powers and notation on the stock record books of
the legal entities involved, or by such other means as may be required in any
non-U.S. jurisdiction to transfer title to stock and, to the extent required by
applicable law, by notation on public registries. In the event that any
provisions of any Conveyancing and Assumption Instrument is inconsistent or
contradictory to the terms and conditions of this Agreement, the terms and
conditions of this Agreement shall control.

     SECTION 2.14 ANCILLARY AGREEMENTS. Prior to the Distribution Date, each of
IMPCO and Quantum shall enter into, and/or (where applicable) shall cause
members of the IMPCO Group or the Quantum Group, as applicable, to enter into,
the Ancillary Agreements and any other agreements in respect of the Distribution
reasonably necessary or appropriate in connection with the transactions
contemplated hereby and thereby.

     SECTION 2.15 CORPORATE NAMES.

     (a) Except as otherwise specifically provided in any Ancillary Agreement:

                                       33

<PAGE>

          (i) As soon as reasonably practicable after the Distribution Date but
     in any event within six months thereafter, IMPCO will, at its own expense,
     remove (or, if necessary, on an interim basis, cover up) any and all
     exterior signs and other identifiers located on any of its property or
     premises or on the property or premises used by it or its Subsidiaries
     (except property or premises to be shared with Quantum or its Subsidiaries
     after the Distribution) which use or display trade names, trademarks and
     logos of Quantum, including without limitation "Quantum" and any other
     Quantum trade name, trademark or logo (collectively, "Quantum Marks").

          (ii) As soon as reasonably practicable after the Distribution Date but
     in any event within six months thereafter, IMPCO will, and will cause its
     Subsidiaries to, remove from all letterhead, envelopes, invoices and other
     communications media of any kind, other than materials already in the
     possession of customers prior to the Effective Time, all references to any
     Quantum Marks. Neither IMPCO nor its Subsidiaries shall use or display any
     Quantum Marks or portions thereof, other than with respect to materials
     already in the possession of customers prior to the Effective Time, without
     the prior written consent of Quantum, except as permitted by applicable
     law.

     (b) Except as otherwise specifically provided in any Ancillary Agreement:

          (i) As soon as reasonably practicable after the Distribution Date but
     in any event within six months thereafter, Quantum will, at its own
     expense, remove (or, if necessary, on an interim basis, cover up) any and
     all exterior signs and other identifiers located on any of their respective
     property or premises owned or used by them or their respective Subsidiaries
     (except property or premises to be shared with IMPCO or its Subsidiaries
     after the Distribution) which use or display trade names, trademarks and
     logos of IMPCO, including without limitation "IMPCO Technologies" and
     "IMPCO," and any other IMPCO trade name, trademark or logo (collectively,
     "IMPCO Marks").

          (ii) As soon as reasonably practicable after the Distribution Date but
     in any event within six months thereafter, Quantum will, and will cause its
     respective Subsidiaries to, remove from all letterhead, envelopes, invoices
     and other communications media of any kind, other than materials already in
     the possession of customers prior to the Effective Time, all references to
     any IMPCO Marks. Neither Quantum nor any of its Subsidiaries shall use or
     display any IMPCO Marks or portions thereof, other than with respect to
     materials already in the possession of customers prior to the Effective
     Time, without the prior written consent of IMPCO except as permitted by
     applicable law and as expressly provided in Section 2.15(b)(iii).

          (iii) Subject to the trademark guidelines established by IMPCO from
     time to time, and subject to IMPCO's approval of samples of each use of an
     IMPCO Mark, Effective as of the Effective Time, IMPCO agrees to grant to
     Quantum a non-sublicenseable, non-transferable, revocable, royalty-free,
     worldwide right and license to use and display the IMPCO Marks as they
     appear on existing service parts manufactured

                                       34

<PAGE>

     by IMPCO prior to the Contribution Date and which are serviced by Quantum
     after the Contribution Date.

     SECTION 2.16 JOINT BUSINESS OPPORTUNITIES; NON-COMPETITION; PROTECTION OF
INFORMATION.

     (a) IMPCO and Quantum may pursue joint business opportunities to enhance
customer value, on terms and conditions as may be agreed by the parties after
the date hereof. The parties acknowledge and agree that nothing in this Section
2.16(a) shall create a binding obligation on IMPCO or Quantum to enter into or
pursue any such business opportunity.

     (b) IMPCO hereby covenants and agrees that none of the members of the IMPCO
Group will, between the Effective Time and the third anniversary of the
Effective Time (the "Restricted Period"):

          (i) engage in or carry on any business in the United States or
     elsewhere in whatever form which would be directly in competition with any
     Quantum Business as such businesses are conducted by the Quantum Group in
     the Quantum Markets at the Effective Time;

          (ii) engage in or carry on any business in the United States or
     elsewhere in whatever form, directly or indirectly, with competitors of
     Quantum set forth in Schedule 2.16(b)(ii) or their respective subsidiaries
                          --------------------
     ("Quantum Named Competitors"); and

          (iii) engage in or carry on any business in the United States or
     elsewhere in whatever form, directly or indirectly, with OEM customers of
     Quantum set forth in Schedule 2.16(b)(iii) or their respective subsidiaries
                          ---------------------
     ("Quantum Named OEM Customers").

     The parties acknowledge and agree that neither (i) IMPCO's exercise of the
Reserved Technology Rights and the use, manufacture, sale, distribution, and
other commercial exploitation of the Tri-Shield Tank in the IMPCO Market,
pursuant to Section 2.1(b)(i), nor (ii) the transfer of employees from the IMPCO
Group to Quantum prior to the Effective Time, shall constitute a breach of this
Section 2.16(b).

     (c) Quantum hereby covenants and agrees that none of the members of the
Quantum Group will, during the Restricted Period:

          (i) engage in or carry on any business in the United States or
     elsewhere in whatever form which would be directly in competition with any
     IMPCO Business as such businesses are conducted by the IMPCO Group in the
     IMPCO Markets at the Effective Time; and

          (ii) engage in or carry on any business in the United States or
     elsewhere in whatever form, directly or indirectly, with competitors of
     IMPCO set forth in Schedule 2.16(c) or their respective subsidiaries
                        ----------------
     ("IMPCO Named Competitors").

                                       35

<PAGE>

     The parties acknowledge and agree that neither (i) Quantum's use,
manufacture, sale, distribution, and other commercial exploitation of the
Tri-Shield Tank, pursuant to Section 2.1(b)(ii), nor (ii) the transfer of
employees from the IMPCO Group to Quantum prior to the Effective Time, shall
constitute a breach of this Section 2.16(c).

     (d) Each party acknowledges that the other party and its respective
Subsidiaries would suffer irreparable harm if it were to breach the provisions
of this Section 2.16 and that any remedy at law for any such breach is and will
be insufficient and inadequate, and that the aggrieved party shall be entitled
to equitable relief, including by way of temporary and permanent injunction,
without the necessity of posting bond or proving actual damages, in addition to
any remedies the aggrieved party may have at law.

     (e) Notwithstanding anything to the contrary in Sections 2.16(b) or 2.16(c)
above, nothing in this Section 2.16 shall in any way restrict or preclude either
party or any of its respective Affiliates from: (i) as part of a bona fide
transaction, merging or consolidating with, acquiring all or substantially all
the assets of, selling all or substantially all of its assets to, or entering
into a similar transaction with, any person, including persons whose primary
business is in direct competition with the other party's business conducted in
the United States and elsewhere as of the Effective Time, or (ii) acquiring
ownership up to one percent (1%) of any class of securities of any corporation
or other entity having a class of securities registered under the Securities
Exchange Act of 1934, as amended.

     (f) The invalidity or non-enforceability of any provision of this Section
2.16 in any respect shall not affect the validity or enforceability of the other
provisions of this Section 2.16 in any other respect or of any other provisions
of this Agreement. In the event that any provision of this Section 2.16 shall be
held invalid or unenforceable by a court of competent jurisdiction by reason of
the geographic or business scope or the duration thereof, such invalidity or
unenforceability shall attach only to the scope or duration of such provision
and shall not affect or render invalid or unenforceable any other provision of
this Agreement, and, to the fullest extent permitted by law, this Agreement
shall be construed as if the geographic or business scope or the duration of
such provision had been more narrowly drafted so as not to be invalid or
unenforceable.

     (g) Each of IMPCO and Quantum acknowledge and agree that the covenants and
agreements contained in this Section 2.16 have been negotiated in good faith by
each of them, and are reasonable and not more restrictive or broader than
necessary to protect the interests of each of IMPCO and Quantum in the IMPCO
Business and the Quantum Business, respectively, and would not achieve their
intended purpose if they were on different terms or for periods of time shorter
than the periods of time provided herein or applied in more restrictive
geographical and business line areas than are provided herein.

                                       36

<PAGE>

                                   ARTICLE III

                                 INDEMNIFICATION

     SECTION 3.1 INDEMNIFICATION BY IMPCO. Except as otherwise specifically set
forth in any provision of this Agreement or of any Ancillary Agreement, IMPCO
shall indemnify, defend and hold harmless the Quantum Indemnitees from and
against any and all Indemnifiable Losses of the Quantum Indemnitees arising out
of, by reason of or otherwise in connection with the IMPCO Liabilities or
alleged IMPCO Liabilities, including any breach by IMPCO of any provision of
this Agreement or any Ancillary Agreement.

     SECTION 3.2 INDEMNIFICATION BY QUANTUM. Except as otherwise specifically
set forth in any provision of this Agreement or of any Ancillary Agreement,
Quantum shall indemnify, defend and hold harmless the IMPCO Indemnitees from and
against any and all Indemnifiable Losses of the IMPCO Indemnitees arising out
of, by reason of or otherwise in connection with the Quantum Liabilities or
alleged Quantum Liabilities, including any breach by Quantum of any provision of
this Agreement or any Ancillary Agreement.

     SECTION 3.3 PROCEDURES FOR INDEMNIFICATION.

     (a) THIRD PARTY CLAIMS.

          (i) If a claim or demand is made against an IMPCO Indemnitee or a
     Quantum Indemnitee (each, an "Indemnitee") by any person who is not a party
     to this Agreement (a "Third Party Claim") as to which such Indemnitee is
     entitled to indemnification pursuant to this Agreement, such Indemnitee
     shall notify the party which is or may be required pursuant to this
     Agreement to make such indemnification (the "Indemnifying Party") in
     writing, and in reasonable detail, of the Third Party Claim promptly (and
     in any event within fifteen (15) business days) after receipt by such
     Indemnitee of written notice of the Third Party Claim; provided, however,
     that failure to give such notification shall not affect the indemnification
     provided hereunder except to the extent the Indemnifying Party shall have
     been actually prejudiced as a result of such failure (except that the
     Indemnifying Party shall not be liable for any expenses incurred during the
     period in which the Indemnitee failed to give such notice). Thereafter, the
     Indemnitee shall deliver to the Indemnifying Party, promptly (and in any
     event within five (5) business days) after the Indemnitee's receipt
     thereof, copies of all notices and documents (including court papers)
     received by the Indemnitee relating to the Third Party Claim.

          (ii) If a Third Party Claim is made against an Indemnitee, the
     Indemnifying Party shall be entitled to participate in the defense thereof
     and, if it so chooses and acknowledges in writing its obligation to
     indemnify the Indemnitee therefor, to assume the defense thereof with
     counsel selected by the Indemnifying Party; provided that such counsel is
     not reasonably objected to by the Indemnitee. Should the Indemnifying Party
     so elect to assume the defense of a Third Party Claim, the Indemnifying
     Party shall, within thirty 30 days (or sooner if the nature of the Third
     Party Claim so requires), notify the Indemnitee of its intent to do so, and
     the Indemnifying Party shall thereafter not be liable to the Indemnitee for
     legal or other expenses subsequently incurred by the

                                       37

<PAGE>

     Indemnitee in connection with the defense thereof; provided, that such
     Indemnitee shall have the right to employ counsel to represent such
     Indemnitee if, in such Indemnitee's reasonable judgment, a conflict of
     interest between such Indemnitee and such Indemnifying Party exists in
     respect of such claim which would make representation of both such parties
     by one counsel inappropriate, and in such event the fees and expenses of
     such separate counsel shall be paid by such Indemnifying Party. If the
     Indemnifying Party assumes such defense, any Indemnitee shall have the
     right to participate in the defense thereof and to employ counsel, subject
     to the proviso of the preceding sentence, at its own expense, separate from
     the counsel employed by the Indemnifying Party, it being understood that
     (A) the Indemnifying Party shall control such defense and (B) the
     Indemnifying Party shall not, in respect of the legal expenses of any
     Indemnified Party in connection with any proceeding or related proceedings
     in the same jurisdiction, be liable for the fees and expenses of more than
     one separate firm for all such Indemnified Parties. The Indemnifying Party
     shall be liable for the fees and expenses of counsel employed by the
     Indemnitee for any period during which the Indemnifying Party has failed to
     assume the defense thereof (other than during the period prior to the time
     the Indemnitee shall have given notice of the Third Party Claim as provided
     above). If the Indemnifying Party so elects to assume the defense of any
     Third Party Claim, all of the Indemnitees shall, at the expense of the
     Indemnifying Party, cooperate with the Indemnifying Party in the defense or
     prosecution thereof, including by providing or causing to be provided,
     Records and witnesses as soon as reasonably practicable after receiving any
     request therefor from or on behalf of the Indemnifying Party.

          (iii) If the Indemnifying Party acknowledges in writing responsibility
     for a Third Party Claim, then in no event will the Indemnitee admit any
     liability with respect to, or settle, compromise or discharge, any Third
     Party Claim without the Indemnifying Party's prior written consent;
     provided, however, that the Indemnitee shall have the right to settle,
     compromise or discharge such Third Party Claim without the consent of the
     Indemnifying Party if the Indemnitee releases the Indemnifying Party from
     its indemnification obligation hereunder with respect to such Third Party
     Claim and such settlement, compromise or discharge would not otherwise
     adversely affect the Indemnifying Party. If the Indemnifying Party
     acknowledges in writing liability for a Third Party Claim, the Indemnitee
     will agree to any settlement, compromise or discharge of a Third Party
     Claim that the Indemnifying Party may recommend and that by its terms
     obligates the Indemnifying Party to pay the full amount of the liability in
     connection with such Third Party Claim and releases the Indemnitee
     completely in connection with such Third Party Claim and that would not
     otherwise adversely affect the Indemnitee; provided, however, that the
     Indemnitee may refuse to agree to any such settlement, compromise or
     discharge if the Indemnitee agrees that the Indemnifying Party's
     indemnification obligation with respect to such Third Party Claim shall not
     exceed the amount that would be required to be paid by or on behalf of the
     Indemnifying Party in connection with such settlement, compromise or
     discharge. If an Indemnifying Party elects not to assume the defense of a
     Third Party Claim, or fails to notify an Indemnitee of its election to do
     so as provided herein, such Indemnitee may compromise, settle or defend
     such Third Party Claim.

                                       38

<PAGE>

          (iv) Notwithstanding the foregoing, the Indemnifying Party shall not
     be entitled to assume the defense of any Third Party Claim (and shall be
     liable for the fees and expenses of counsel incurred by the Indemnitee in
     defending such Third Party Claim) if the Third Party Claim seeks an order,
     injunction or other equitable relief or relief for other than money damages
     against the Indemnitee which the Indemnitee reasonably determines, after
     conferring with its counsel, cannot be separated from any related claim for
     money damages. If such equitable relief or other relief portion of the
     Third Party Claim can be so separated from that for money damages, the
     Indemnifying Party shall be entitled to assume the defense of the portion
     relating to money damages (provided, that the Indemnifying Party shall
     indemnify the Indemnified Party for the fees and expenses of counsel
     incurred by the Indemnified Party in defending such portion of the claim
     seeking relief for other than money damages).

     (b) SUBROGATION. In the event of payment by an Indemnifying Party to any
Indemnitee in connection with any Third-Party Claim, such Indemnifying Party
shall be subrogated to and shall stand in the place of such Indemnitee as to any
events or circumstances in respect of which such Indemnitee may have any right
or claim relating to such Third-Party Claim against any claimant or plaintiff
asserting such Third-Party Claim. Such Indemnitee shall cooperate with such
Indemnifying Party in a reasonable manner, and at the cost and expense of such
Indemnifying Party, in prosecuting any subrogated right or claim.

     (c) OTHER CLAIMS. In the event that an Indemnitee asserts the existence of
a claim giving rise to Indemnifiable Losses (but excluding claims resulting from
the assertion of liability by third parties), it shall give notice to the
Indemnifying Party specifying the nature and amount of the claim asserted. In
the event that the Indemnifying Party contests the assertion of a claim by
giving notice to the Indemnitee, then if the parties hereto, acting in good
faith, cannot reach agreement with respect to such claim within ten days after
such response notice, the Indemnitee is entitled to seek any available legal
remedy in a manner consistent with the dispute resolution mechanism set forth in
Article VII.

     (d) CONTRIBUTION. If the indemnification provided for in this Article III
is unavailable to an Indemnitee with respect to an Indemnifiable Loss arising
out of or related to information contained in the Information Statement or Form
10, then the Indemnifying Party, in lieu of indemnifying such Indemnitee, shall
contribute to the amount paid or payable by such Indemnitee as a result of such
Indemnifiable Loss, in such proportion as is appropriate to reflect the relative
fault of the IMPCO Group, on the one hand, and Quantum, on the other hand. The
relative fault of any party shall be determined by reference to, among other
things, whether the untrue or alleged untrue statement of a material fact or the
omission or alleged omission to state a material fact relates to information
supplied by that party or one of its Affiliates.

     (e) NON-EXCLUSIVE REMEDY. The remedies provided in this Article III shall
be cumulative and shall not preclude assertion by any Indemnitee of any other
rights or the seeking of any and all other remedies against any Indemnifying
Party.

     (f) REMEDY LIMITATION. All disputes, controversies or claims arising out of
or relating to this Agreement or the breach, termination or validity thereof (a
"Dispute") brought by

                                       39

<PAGE>

a third party beneficiary to this Agreement shall be exclusively and finally
settled in accordance with the dispute resolution mechanism set forth in Article
VII. In the event of a Dispute regarding the availability of third party
benefits, no third party benefits provided by this Agreement shall be available
to any third party beneficiary who pursues any form of dispute resolution
inconsistent with the dispute resolution mechanism set forth in Article VII.

     SECTION 3.4 INDEMNIFICATION PAYMENTS. Indemnification required by this
Article III shall be made by periodic payments of the amount thereof during the
course of the investigation or defense, as and when bills are received or loss,
liability, claim, damage or expense is incurred.

     SECTION 3.5 FUTURE BUSINESS RELATIONSHIPS. The parties hereto acknowledge
that after the Distribution Date the parties may enter into arms-length
negotiated business relationships, which relationships will be described in
contracts, agreements and other documents entered into in the normal course of
business. Such documents may include agreements by the parties and their
Affiliates and Subsidiaries to supply materials, products, services and leases
after the Distribution Date. Except for the arrangements under the Ancillary
Agreements, such additional business relationships shall not be subject to the
indemnity provisions hereof, unless the parties expressly agree to the contrary
in the agreements governing such relationships.

                                   ARTICLE IV

                              ACCESS TO INFORMATION

     SECTION 4.1 PROVISION OF CORPORATE RECORDS.

     (a) Other than in circumstances in which indemnification is sought pursuant
to Article III (in which event the provisions of such Article will govern) and
subject to Section 4.4, each of IMPCO and Quantum, on behalf of its respective
Group, agrees to provide, or cause to be provided, to each other Group, as soon
as reasonably practicable after written request therefor, specific and
identified agreements, documents, books, records or files (collectively,
"Records") in the possession or under the control of such respective Group which
the requesting party reasonably needs (i) to comply with reporting, disclosure,
filing or other requirements imposed on the requesting party (including under
applicable securities or tax laws) by a Governmental Authority having
jurisdiction over the requesting party, (ii) for use in any other judicial,
regulatory, administrative, tax or other proceeding or in order to satisfy
audit, accounting, claims, regulatory, litigation, tax or other similar
requirements, in each case other than claims or allegations that one party to
this Agreement has against the other, or (iii) subject to clause (ii) above, to
comply with its obligations under this Agreement or any Ancillary Agreement;
provided, however, that in the event that any party reasonably determines that
any such provision of Records could be commercially detrimental, violate any law
or agreement, or waive any attorney-client privilege, the parties shall take all
reasonable measures to permit the compliance with such obligations in a manner
that avoids any such harm or consequence.

                                       40

<PAGE>

     (b) From and after the Contribution Date, each of IMPCO and Quantum shall
maintain in effect at its own cost and expense adequate systems and controls to
the extent necessary to enable the members of the other Group to satisfy their
respective reporting, accounting, audit and other obligations.

     SECTION 4.2 ACCESS TO INFORMATION.

     (a) Other than in circumstances in which indemnification is sought pursuant
to Article III (in which event the provisions of such Article will govern) and
subject to Section 4.4, from and after the Distribution Date, each of IMPCO and
Quantum shall afford to the other and its authorized accountants, counsel and
other designated representatives reasonable access during normal business hours,
subject to appropriate restrictions for classified, privileged or confidential
information, to the personnel, properties, books and records of such party and
its Subsidiaries insofar as such access is reasonably required by the other
party and relates to (x) such other party or the conduct of its business prior
to the Effective Time or (y) any Ancillary Agreement to which each of the party
requesting such access and the party requested to grant such access are parties.

     (b) Other than in circumstances in which indemnification is sought pursuant
to Article III (in which event the provisions of such Article will govern) and
subject to Section 4.4, from and after the Contribution Date, Quantum shall have
access during regular business hours (as in effect from time to time) to the
documents and objects of historic significance that relate to the Quantum
Business that are located in archives retained or maintained by IMPCO. Quantum
may obtain copies (but not originals) of such documents for bona fide business
purposes. Nothing herein shall be deemed to restrict the access of any member of
the IMPCO Group to any such documents or to impose any liability on any member
of the IMPCO Group if any such documents are not maintained or preserved by
IMPCO; provided, however, that in the event that any party reasonably determines
that any such provision of access could be commercially detrimental, violate any
law or agreement, or waive any attorney-client privilege, the parties shall take
all reasonable measures to permit the compliance with such obligations in a
manner that avoids any such harm or consequence.

     SECTION 4.3 REIMBURSEMENT; OTHER MATTERS. Except to the extent otherwise
contemplated by any Ancillary Agreement, a party providing Records or access to
information to the other party under this Article IV shall be entitled to
receive from the recipient, upon the presentation of invoices therefor, payments
for such amounts, relating to supplies, disbursements and other out-of-pocket
expenses, as may be reasonably incurred in providing such Records or access to
information.

     SECTION 4.4 CONFIDENTIALITY.

     (a) Each of (i) IMPCO and its Subsidiaries, on the one hand, and (ii)
Quantum and its Subsidiaries, on the other, shall not use, or permit the use of,
or disclose, and shall keep, and shall cause its employees, consultants and
advisors to keep confidential, the Confidential Information of the other parties
except: (a) the Recipient may use the Discloser's Confidential Information in
order to reasonably carry out its obligations and exercise its rights under this

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Agreement and the Ancillary Agreements; (b) Recipient may disclose the
Confidential Information of the Discloser to its employees and independent
contractors who have a need to know such Confidential Information and who are
bound by confidentiality obligations similar to those contained in this
Agreement; (c) as permitted under this Agreement or any Ancillary Agreement; and
(d) in order to enforce this Agreement or any Ancillary Agreement. Recipient
will take precautions to prevent unauthorized disclosure or use of the
Confidential Information of the Discloser, and such precautions will be
consistent with the precautions used to protect the Recipient's own Confidential
Information, but in no event less than the care exercised by a reasonable
business person in the protection of its valuable confidential information. In
the event that Recipient is compelled to disclose the Confidential Information
of Discloser pursuant to judicial or administrative process or by law or
applicable securities rules or regulations, the Recipient will give the
Discloser reasonable advance notice of any such disclosure and will cooperate
with the Discloser in protecting against any such disclosure and/or obtaining a
protective order narrowing the scope of such disclosure and/or use of such
Confidential Information. The Recipient will not make any copies of the
Discloser's Confidential Information except to the extent reasonably necessary
to carry out its obligations and exercise its rights under this Agreement and
the Ancillary Agreements, or unless otherwise approved in writing in advance by
the Discloser. The Recipient will use commercially reasonable efforts to ensure
that all such copies made after the Effective Time will be identified as the
property of the Discloser and marked "confidential," "proprietary" or with
another similar legend.

     (b) Without limiting the generality of the foregoing, (a) IMPCO shall, upon
the request of Quantum and at Quantum's sole expense (including disbursements
and costs of salaries, plus a fixed rate in the amount of thirty percent (30%),
and other out-of-pocket expenses incurred by IMPCO in connection therewith),
during the three (3) year period beginning on the Contribution Date, promptly
enforce the breach by any of its present or former employees of any agreement
between IMPCO and such employee prohibiting such employee from using or
disclosing any Confidential Information owned by Quantum, and (b) Quantum shall,
upon the request of IMPCO and at IMPCO's sole expense (including disbursements
and costs of salaries, plus a fixed rate in the amount of thirty percent (30%),
and other out-of-pocket expenses incurred by Quantum in connection therewith),
during the three (3) year period beginning on the Contribution Date, promptly
enforce the breach by any of its present or former employees of any agreement
between Quantum and such employee prohibiting such employee from using or
disclosing any Confidential Information owned by IMPCO.

     SECTION 4.5 PRIVILEGED MATTERS. The parties hereto recognize that legal and
other professional services that have been and will be provided prior to the
Distribution Date have been and will be rendered for the benefit of each of
IMPCO, the members of the IMPCO Group and the members of the Quantum Group, and
that each of IMPCO, the members of the IMPCO Group and the members of the
Quantum Group should be deemed to be the client for the purposes of asserting
all privileges which may be asserted under applicable law. To allocate the
interests of each party in the information as to which any party is entitled to
assert a privilege, the parties agree as follows:

     (a) IMPCO shall be entitled, in perpetuity, to control the assertion or
waiver of all privileges in connection with privileged information which relates
solely to the IMPCO

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<PAGE>

Business, whether or not the privileged information is in the possession of or
under the control of IMPCO or Quantum. IMPCO shall also be entitled, in
perpetuity, to control the assertion or waiver of all privileges in connection
with privileged information that relates solely to the subject matter of any
claims constituting IMPCO Liabilities, now pending or which may be asserted in
the future, in any lawsuits or other proceedings initiated against or by IMPCO,
whether or not the privileged information is in the possession of or under the
control of IMPCO or Quantum.

     (b) Quantum shall be entitled, in perpetuity, to control the assertion or
waiver of all privileges in connection with privileged information which relates
solely to the Quantum Business, whether or not the privileged information is in
the possession of or under the control of IMPCO or Quantum. Quantum shall also
be entitled, in perpetuity, to control the assertion or waiver of all privileges
in connection with privileged information which relates solely to the subject
matter of any claims constituting Quantum Liabilities, now pending or which may
be asserted in the future, in any lawsuits or other proceedings initiated
against or by Quantum whether or not the privileged information is in the
possession of or under the control of IMPCO or Quantum.

     (c) The parties hereto agree that they shall have a shared privilege, with
equal right to assert or waive, subject to the restrictions in this Section 4.5,
with respect to all privileges not allocated pursuant to the terms of Sections
4.5(a) and (b). All privileges relating to any claims, proceedings, litigation,
disputes, or other matters which involve both IMPCO and Quantum in respect of
which both parties retain any responsibility or liability under this Agreement,
shall be subject to a shared privilege among them.

     (d) No party hereto may waive any privilege which could be asserted under
any applicable law, and in which any other party hereto has a shared privilege,
without the consent of the other party, except to the extent reasonably required
in connection with any litigation with third-parties (and then only to the
limited extent necessary under the circumstances) or as provided in subsection
(e) below. Consent shall be in writing, or shall be deemed to be granted unless
written objection is made within twenty (20) days after written notice upon the
other party requesting such consent.

     (e) In the event of any litigation or dispute between or among any of the
parties hereto, any party and a Subsidiary of another party hereto, or a
Subsidiary of one party hereto and a Subsidiary of another party hereto, either
such party may waive a privilege in which the other party has a shared
privilege, without obtaining the consent of the other party, provided that such
waiver of a shared privilege shall be effective only as to the use of
information with respect to the litigation or dispute between the parties and/or
their Subsidiaries, and shall not operate as a waiver of the shared privilege
with respect to third parties.

     (f) If a dispute arises between or among the parties hereto or their
respective Subsidiaries regarding whether a privilege should be waived to
protect or advance the interest of any party, each party agrees that it shall
negotiate in good faith, shall endeavor to minimize any prejudice to the rights
of the other parties, and shall not unreasonably withhold consent to any

                                       43

<PAGE>

request for waiver by another party. Each party hereto specifically agrees that
it will not withhold consent to waiver for any purpose except to protect its own
legitimate interests.

     (g) Upon receipt by any party hereto or by any Subsidiary thereof of any
subpoena, discovery or other request which arguably calls for the production or
disclosure of information subject to a shared privilege or as to which another
party has the sole right hereunder to assert a privilege, or if any party
obtains knowledge that any of its or any of its Subsidiaries' current or former
directors, officers, agents or employees have received any subpoena, discovery
or other requests which arguably calls for the production or disclosure of such
privileged information, such party shall promptly notify the other party or
parties of the existence of the request and shall provide the other party or
parties a reasonable opportunity to review the information and to assert any
rights it or they may have under this Section 4.5 or otherwise to prevent the
production or disclosure of such privileged information.

     (h) The transfer of all Records and other information pursuant to this
Agreement is made in reliance on the agreement of IMPCO and Quantum, as set
forth in Sections 4.4 and 4.5, to maintain the confidentiality of privileged
information and to assert and maintain all applicable privileges. The access to
information being granted pursuant to Sections 4.1 and 4.2 hereof, the agreement
to provide witnesses and individuals pursuant to Sections 2.10 and 3.3 hereof,
the furnishing of notices and documents and other cooperative efforts
contemplated by Section 3.3 hereof, and the transfer of privileged information
between and among the parties and their respective Subsidiaries pursuant to this
Agreement shall not be deemed a waiver of any privilege that has been or may be
asserted under this Agreement or otherwise.

     SECTION 4.6 OWNERSHIP OF INFORMATION. Any information owned by one party or
any of its Subsidiaries that is provided to a requesting party pursuant to
Article III or this Article IV shall be deemed to remain the property of the
providing party. Unless specifically set forth herein, nothing contained in this
Agreement shall be construed as granting or conferring rights of license or
otherwise in any such information.

     SECTION 4.7 ESTIMATES. No party shall have any liability to any other party
in the event that any information exchanged or provided pursuant to this
Agreement which is an estimate or forecast, or which is based on an estimate or
forecast, is found to be inaccurate.

     SECTION 4.8 OTHER AGREEMENTS PROVIDING FOR EXCHANGE OF INFORMATION. The
rights and obligations granted under this Article IV are subject to any specific
limitations, qualifications or additional provisions on the sharing, exchange or
confidential treatment of information set forth in any Ancillary Agreement.

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<PAGE>

                                    ARTICLE V

                    TERMINATION OF AGREEMENTS; MUTUAL RELEASE

     SECTION 5.1 TERMINATION OF AGREEMENTS.

     (a) IMPCO and each of its wholly-owned Subsidiaries, on the one hand, and
Quantum and each of its wholly-owned Subsidiaries, on the other hand, hereby
terminate any and all agreements, arrangements, commitments or understandings,
whether or not in writing, between or among, IMPCO and/or any of its
wholly-owned Subsidiaries, on the one hand, and Quantum and/or any of its
wholly-owned Subsidiaries, on the other hand, effective as of the Distribution
Date. No such terminated agreement, arrangement, commitment or understanding
(including any provision thereof which purports to survive termination) shall be
of any further force or effect after the Distribution Date. Each party shall, at
the reasonable request of any other party, take, or cause to be taken, such
other actions as may be necessary to effect the foregoing.

     (b) The provisions of Section 5.1(a) shall not apply to any of the
following agreements, arrangements, commitments or understandings (or to any of
the provisions thereof): (i) this Agreement and the Ancillary Agreements (and
each other agreement or instrument expressly contemplated hereby or thereby to
be entered into by any of the parties hereto or any of their wholly-owned
Subsidiaries); (ii) any agreements, arrangements, commitments or understandings
listed or described on Schedule 5.1(b); (iii) the Intercompany Accounts
                       ---------------
referenced in Section 2.3; and (iv) any other agreements, arrangements,
commitments or understandings that this Agreement, any Ancillary Agreement or
any agreements entered into connection herewith or therewith, expressly
contemplates will survive the Distribution Date.

     SECTION 5.2 MUTUAL RELEASE.

     (a) Except as provided in Section 5.2(c), effective as of the Distribution
Date, Quantum does hereby, for itself and each member of the Quantum Group,
their respective successors and assigns, remise, release and forever discharge
IMPCO, each of member of the IMPCO Group, and their respective successors and
assigns, from any and all liabilities whatsoever, whether at law or in equity
(including any right of contribution), whether arising under any contract or
agreement, by operation of law or otherwise, existing or arising from any acts
or events occurring or failing to occur or alleged to have occurred or to have
failed to occur or any conditions existing or alleged to have existed on or
before the Distribution Date, including in connection with the transactions and
all other activities to implement the Contribution and the Distribution.

     (b) Except as provided in Section 5.2(c), effective as of the Distribution
Date, IMPCO does hereby, for itself and each member of the IMPCO Group, their
respective successors and assigns, remise, release and forever discharge
Quantum, each other member of the Quantum Group, and their respective successors
and assigns from any and all liabilities whatsoever, whether at law or in equity
(including any right of contribution), whether arising under any contract or
agreement, by operation of law or otherwise, existing or arising from any

                                       45

<PAGE>

acts or events occurring or failing to occur or alleged to have occurred or to
have failed to occur or any conditions existing or alleged to have existed on or
before the Distribution Date, including in connection with the transactions and
all other activities to implement the Contribution and the Distribution.

     (c) Nothing contained in Sections 5.2(a) or (b) shall impair any right of
any person to enforce this Agreement, any Ancillary Agreement or any agreements,
arrangements, commitments or understandings that are specified in Section 5.1(b)
or the applicable Schedules thereto, in each case in accordance with its terms.
Nothing contained in Sections 5.2(a) or (b) shall release any person from: (i)
any liability provided in or resulting from any agreements, arrangements,
commitments or understandings among IMPCO or any of its wholly-owned
Subsidiaries and Quantum and any of its wholly-owned Subsidiaries that is
specified in Section 5.1(b) or the applicable Schedules thereto, (ii) any other
liability specified in such Section 5.1(b), (iii) any other liability which by
the terms of this Agreement, any Ancillary Agreement, the Contribution Agreement
or any other agreement entered into in connection herewith or therewith should
survive the Distribution Date; and (iv) any liability that the parties may have
with respect to indemnification or contribution pursuant to this Agreement for
claims brought against the parties by third persons, which liability shall be
governed by the provisions of Article III of this Agreement and, if applicable,
the appropriate provisions of the Ancillary Agreements. In addition, nothing
contained in Sections 5.2(a) or (b) shall release IMPCO from honoring its
existing obligations to indemnify any director, officer or employee of Quantum
who was a director, officer or employee of IMPCO on or prior to the Distribution
Date, to the extent such director, officer or employee was entitled to such
indemnification pursuant to any then-existing obligation of IMPCO.

     (d) Quantum shall not make, and shall not permit any member of the Quantum
Group to make, any claim or demand, or commence any Action asserting any claim
or demand, including any claim of contribution or any indemnification, against
IMPCO or any member of the IMPCO Group with respect to any liabilities released
pursuant to Section 5.2(a). IMPCO shall not, and shall not permit any member of
the IMPCO Group, to make any claim or demand, or commence any Action asserting
any claim or demand, including any claim of contribution or any indemnification,
against Quantum or any member of the Quantum Group with respect to any
liabilities released pursuant to Section 5.2(b).

     (e) It is the intent of IMPCO and Quantum by virtue of the provisions of
this Section 5.2 to provide for a full and complete release and discharge of all
liabilities existing or arising from all acts and events occurring or failing to
occur or alleged to have occurred or to have failed to occur and all conditions
existing or alleged to have existed on or before the Distribution Date, between
or among Quantum or any member of the Quantum Group, on the one hand, and IMPCO
or any member of the IMPCO Group, on the other hand (including any contractual
agreements or arrangements existing or alleged to exist between or among any
such members on or before the Distribution Date), except as expressly set forth
in Section 5.2(c). At any time, at the request of any other party, each party
shall cause each member of its respective Group to execute and deliver releases
reflecting the provisions hereof.

                                       46

<PAGE>

     (f) The parties understand and agree that the release herein includes not
only claims presently known to them, but also includes all unknown or
unanticipated claims, rights, demands, actions, obligations, liabilities, and
causes of action of every kind and character that would otherwise come within
the scope of the release as described in this Section 5.2. Each of the parties
understand that they may hereafter discover facts different from what they now
believe to be true, which if known, could have materially affected this
Agreement and the transactions contemplated hereby, but they nevertheless waive
any claims or rights based on different or additional facts. The parties
knowingly and voluntarily waive any and all rights or benefits that they may now
have, or in the future may have, under the terms of Section 1542 of the
California Civil Code, which provides as follows:

     A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR DOES NOT
     KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE RELEASE,
     WHICH IF KNOWN BY HIM MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE
     DEBTOR.

                                   ARTICLE VI

                             ADMINISTRATIVE SERVICES

     SECTION 6.1 PERFORMANCE OF SERVICES. IMPCO will provide, or cause one or
more of its Subsidiaries to provide, to Quantum and its Subsidiaries such
services on such terms and for such periods of time as may be set forth in the
Transition Services Agreement and the statements of work entered into
thereunder.

     SECTION 6.2 ACCOUNTS RECEIVABLE. IMPCO agrees to cooperate with Quantum, at
Quantum's expense, in the collection of any accounts receivable transferred by
IMPCO to Quantum pursuant to the terms of this Agreement (the "Receivables").
IMPCO acknowledges that it may, from time to time, receive payments in respect
of the Receivables. In the event that IMPCO receives any payments with respect
to the Receivables, IMPCO shall promptly upon receipt thereof remit such
payments to Quantum. Quantum shall reimburse IMPCO for all reasonable costs and
expenses incurred by IMPCO in complying with the provisions of this Section 6.2.

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<PAGE>

                                   ARTICLE VII

                               DISPUTE RESOLUTION

     SECTION 7.1 NEGOTIATION. In the event of a controversy, dispute or claim
arising out of, in connection with, or in relation to the interpretation,
performance, nonperformance, validity or breach of this Agreement, any Ancillary
Agreement or otherwise arising out of, or in any way related to this Agreement
or any Ancillary Agreement or the transactions contemplated hereby or thereby,
including, without limitation, any claim based on contract, tort, statute or
constitution (but excluding any controversy, dispute or claim arising out of any
agreement relating to the use or lease of real property if any third party is a
party to such controversy, dispute or claim) (collectively, "Agreement
Disputes"), the parties shall first negotiate to settle such Agreement Dispute
for a period of time not to exceed 30 days from the time of receipt by a party
of written notice of an Agreement Dispute ("Notice"), unless otherwise agreed by
the parties in writing; provided that in the event of any arbitration in
accordance with Section 6.2 hereof filed within 90 days of receipt of Notice,
the parties shall not assert the defenses of statute of limitations or laches
arising for the period beginning after the date the parties began negotiations
hereunder, and any contractual time period or deadline under this Agreement or
any Ancillary Agreement to which such Agreement Dispute relates shall not be
deemed to have passed until such Agreement Dispute has been resolved.

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<PAGE>

     SECTION 7.2 ARBITRATION. After 30 days have elapsed from the time of
receipt of Notice of an Agreement Dispute, such Agreement Dispute shall be
determined, at the request of any party, by arbitration conducted in Los
Angeles, California before and in accordance with the then-existing Commercial
Arbitration Rules of the American Arbitration Association (the "Rules"). In any
dispute between the parties hereto, the number of arbitrators shall be three.
Any judgment or award rendered by the arbitrators shall be final, binding and
nonappealable (except upon grounds specified in 9 U.S.C. ss. 10(a) as in effect
on the date hereof). If the parties are unable to agree on the arbitrators
within 30 days of receipt by the respondent of the demand, the arbitrators shall
be selected in accordance with the Rules; provided that the arbitrators shall be
U.S. nationals. Any controversy concerning whether an Agreement Dispute is an
arbitrable Agreement Dispute, whether arbitration has been waived, whether an
assignee of this Agreement is bound to arbitrate, or as to the interpretation or
enforceability of this Article VII shall be determined by the arbitrators. In
resolving any dispute, the parties intend that the arbitrators apply the
substantive laws of the State of California, without regard to the choice of law
principles thereof. The parties intend that the provisions to arbitrate set
forth herein be valid, enforceable and irrevocable. The parties agree to comply
with any award made in any such arbitration proceeding that has become final in
accordance with the Rules and agree to enforcement of or entry of judgment upon
such award, by any court of competent jurisdiction, including (a) the Superior
Court of the State of California, Los Angeles County, or (b) the United States
District Court for the Central District of California, in accordance with
Section 9.17 hereof. The arbitrators shall be entitled, if appropriate, to award
any remedy in such proceedings, including, without limitation, monetary damages,
specific performance and all other forms of legal and equitable relief;
provided, however, the arbitrators shall not be entitled to award punitive
damages. Without limiting the provisions of the Rules, unless otherwise agreed
in writing by or among the parties or permitted by this Agreement, the parties
shall keep confidential all matters relating to the arbitration or the award,
provided such matters may be disclosed (i) to the extent reasonably necessary in
any proceeding brought to enforce the award or for entry of a judgment upon the
award and (ii) to the extent otherwise required by law. Notwithstanding Section
52 of the Rules, the party other than the prevailing party in the arbitration
shall be responsible for all of the costs of the arbitration, including legal
fees and other costs specified by such Section 52. Nothing contained herein is
intended to or shall be construed to prevent any party, in accordance with
Section 36 of the Rules or otherwise, from applying to any court of competent
jurisdiction for interim measures or other provisional relief in connection with
the subject matter of any Agreement Disputes.

     SECTION 7.3 CONTINUITY OF SERVICE AND PERFORMANCE. Unless otherwise agreed
in writing, the parties will continue to provide service and honor all other
commitments under this Agreement and each Ancillary Agreement during the course
of dispute resolution pursuant to the provisions of this Article VII with
respect to all matters not subject to such dispute, controversy or claim.

                                       49

<PAGE>

                                  ARTICLE VIII

                                    INSURANCE

     SECTION 8.1 POLICIES AND RIGHTS INCLUDED WITHIN ASSETS; ASSIGNMENT OF
POLICIES.

     (a) POLICY RIGHTS. The Quantum Assets shall include (i) any and all rights
of an insured party under each of the Shared Policies, subject to the terms of
such Shared Policies and any limitations or obligations of Quantum contemplated
by this Article VIII, specifically including rights of indemnity and the right
to be defended by or at the expense of the insurer, with respect to all claims,
suits, actions, proceedings, injuries, losses, liabilities, damages and expenses
incurred or claimed to have been incurred prior to the Effective Time by any
party in or in connection with the conduct of the Quantum Business or, to the
extent any claim is made against Quantum or any of its Subsidiaries, the conduct
of the IMPCO Business, and which claims, suits, actions, proceedings, injuries,
losses, liabilities, damages and expenses may arise out of an insured or
insurable occurrence under one or more of such Shared Policies.

     (b) ASSIGNMENT OF SHARED POLICIES. Subject to the terms and conditions
hereof, Quantum hereby assigns, transfers and conveys to IMPCO all of Quantum's
right, title and interest in and to any and all of the Shared Policies,
including, without limitation, the right of indemnity, the right to be defended
by or at the expense of the insurer and the right to any applicable Insurance
Proceeds thereunder; and IMPCO and Quantum shall use their commercially
reasonable efforts to obtain any required consents of insurers to the assignment
contemplated by this paragraph.

     (c) DESIGNATION AS ATTORNEY-IN-FACT. If, subsequent to the Distribution
Date, any person shall assert a claim against Quantum or any of its Subsidiaries
(including, without limitation, where Quantum or its Subsidiaries are joint
defendants with other persons) with respect to any claim, suit, action,
proceeding, injury, loss, liability, damage or expense incurred or claimed to
have been incurred prior to the Distribution Date in or in connection with the
conduct of the Quantum Business or, to the extent any claim is made against
Quantum or any of its Subsidiaries (including, without limitation, where Quantum
or its Subsidiaries are joint defendants with other persons), in connection with
the conduct of the IMPCO Business, and which claim, suit, action, proceeding,
injury, loss, liability, damage or expense may arise out of an insured or
insurable occurrence under one or more of the Shared Policies, IMPCO shall, at
the time such claim is asserted, to the extent any such Policy may require that
Insurance Proceeds thereunder be collected directly by the named insured or
anyone other than the party against whom the Insured Claim is asserted, be
deemed to designate, without need of further documentation, Quantum as the agent
and attorney-in-fact to assert and to collect any related Insurance Proceeds
under such Shared Policy.

     SECTION 8.2 ADMINISTRATION; OTHER MATTERS.

     (a) ADMINISTRATION. From and after the Distribution Date, IMPCO shall be
responsible for (i) Insurance Administration of the Shared Policies and (ii)
Claims Administration under such Shared Policies with respect to Insured Claims
of IMPCO and

                                       50

<PAGE>

Insured Claims of Quantum; provided that the assumption of such responsibilities
by IMPCO is in no way intended to limit, inhibit or preclude any right to
insurance coverage for any Insured Claim of a named insured under such Policies
as contemplated by the terms of this Agreement; provided further that IMPCO's
assumption of the administrative responsibilities for the Shared Policies shall
not relieve the party submitting any Insured Claim of the primary responsibility
for reporting such Insured Claim accurately, completely and in a timely manner
or of such party's authority to settle any such Insured Claim within any period
permitted or required by the relevant Policy; and provided further that all
direct or indirect communication with insurers relating to the Shared Policies
shall be conducted by IMPCO. IMPCO may discharge its administrative
responsibilities under this Section 8.2 by contracting for the provision of
services by independent parties. Each of the parties hereto shall administer and
pay any costs relating to defending its respective Insured Claims under Shared
Policies to the extent such defense costs are not covered under such Policies
and shall be responsible for obtaining or reviewing the appropriateness of
releases upon settlement of its respective Insured Claims under Shared Policies.
The disbursements, out-of-pocket expenses and direct and indirect costs of
employees or agents of IMPCO relating to Claims Administration and Insurance
Administration contemplated by this Section 8.2(a) shall be for Quantum's
account if they relate to Insured Claims of Quantum and for IMPCO's account if
they relate to Insured Claims of IMPCO.

     (b) EXCEEDING POLICY LIMITS. Except as set forth in this Section 8.2(b),
IMPCO and Quantum shall not be liable to one another for claims not reimbursed
by insurers for any reason not within the control of IMPCO or Quantum, as the
case may be, including, without limitation, coinsurance provisions, deductibles,
quota share deductibles, self-insured retentions, bankruptcy or insolvency of an
insurance carrier, Shared Policy limitations or restrictions, any coverage
disputes, any failure to timely claim by IMPCO or Quantum or any defect in such
claim or its processing, provided that Quantum shall be responsible for the
amount of the difference, if any, between the deductible set forth in any Shared
Policy and the deductible allocable to IMPCO as set forth in Schedule 8.2(b)
                                                             ---------------
hereto.

     (c) ALLOCATION OF INSURANCE PROCEEDS. Insurance Proceeds received with
respect to claims, costs and expenses under the Shared Policies shall be paid to
IMPCO, which shall thereafter administer the Shared Policies by paying the
Insurance Proceeds, as appropriate, to Quantum with respect to Insured Claims of
Quantum and to IMPCO with respect to Insured Claims of IMPCO. Payment of the
allocable portions of indemnity costs of Insurance Proceeds resulting from such
Policies will be made by IMPCO to the appropriate party upon receipt from the
insurance carrier. In the event that the aggregate limits on any Shared Policies
are exceeded by the aggregate of outstanding Insured Claims by both of the
parties hereto, the parties agree to allocate the Insurance Proceeds received
thereunder based upon their respective percentage of the total of their bona
fide claims which were covered under such Shared Policy (their "allocable
portion of Insurance Proceeds"), and any party who has received Insurance
Proceeds in excess of such party's allocable portion of Insurance Proceeds shall
pay to the other party the appropriate amount so that each party will have
received its allocable portion of Insurance Proceeds pursuant hereto. Each of
the parties agrees to use commercially reasonable efforts to maximize available
coverage under those Shared Policies applicable to it, and to take all
commercially reasonable steps to recover from all other responsible parties in
respect of an

                                       51

<PAGE>

Insured Claim to the extent coverage limits under a Shared Policy have been
exceeded or would be exceeded as a result of such Insured Claim.

     (d) ALLOCATION OF DEDUCTIBLES. In the event that both parties have bona
fide claims under any Shared Policy for which a deductible is payable, the
parties agree that the aggregate amount of the deductible paid shall be borne by
the parties in the same proportion which the Insurance Proceeds received by each
such party bears to the total Insurance Proceeds received under the applicable
Shared Policy (their "allocable share of the deductible"), and any party who has
paid more than such share of the deductible shall be entitled to receive from
the other party an appropriate amount so that each party has borne its allocable
share of the deductible pursuant hereto. For purposes of this Section 8.2(d),
                                                              --------------
the amount of the relevant deductible under any Shared Policy shall be that set
forth in Schedule 8.2(d) hereto.

     (e) Effective as of the Distribution Date, each of Quantum and IMPCO shall
be responsible for its applicable deductible for workers' compensation, general
liability and automobile liability claims as set forth in Schedule 8.2(e).
                                                          ---------------

     SECTION 8.3 AGREEMENT FOR WAIVER OF CONFLICT AND SHARED DEFENSE. In the
event that Insured Claims of both of the parties hereto exist relating to the
same occurrence, the parties shall jointly defend and waive any conflict of
interest necessary to the conduct of the joint defense. Nothing in this Article
VIII shall be construed to limit or otherwise alter in any way the obligations
of the parties to this Agreement, including those created by this Agreement, by
operation of law or otherwise.

     SECTION 8.4 COOPERATION. The parties agree to use their commercially
reasonable efforts to cooperate with respect to the various insurance matters
contemplated by this Agreement.

                                   ARTICLE IX

                                  MISCELLANEOUS

     SECTION 9.1 COMPLETE AGREEMENT; CONSTRUCTION. This Agreement, including the
Exhibits and Schedules, and the Ancillary Agreements shall constitute the entire
agreement between the parties with respect to the subject matter hereof and
shall supersede all previous negotiations, commitments and writings with respect
to such subject matter. In the event of any inconsistency between this Agreement
and any Schedule hereto, the Schedule shall prevail. Other than Section __, and
Section __ of the ________________ Agreement which shall prevail over any
inconsistent or conflicting provisions in this Agreement, notwithstanding any
other provisions in the Ancillary Agreements to the contrary, in the event of
and to the extent that there shall be a conflict between the provisions of this
Agreement and the provisions of any Ancillary Agreement, this Agreement shall
control.

                                       52

<PAGE>

     SECTION 9.2 ANCILLARY AGREEMENTS. Subject to the last sentence of Section
9.1, this Agreement is not intended to address, and should not be interpreted to
address, the matters specifically and expressly covered by the Ancillary
Agreements.

     SECTION 9.3 COUNTERPARTS. This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement, and
shall become effective when one or more such counterparts have been signed by
each of the parties and delivered to the other parties.

     SECTION 9.4 SURVIVAL OF AGREEMENTS. Except as otherwise contemplated by
this Agreement, all covenants and agreements of the parties contained in this
Agreement shall survive the Distribution Date.

     SECTION 9.5 EXPENSES. Except as set forth on Schedule 9.5 or as otherwise
                                                  ------------
set forth in this Agreement or any Ancillary Agreement, all costs and expenses
incurred in connection with the preparation, execution, delivery and required
implementation of this Agreement and any Ancillary Agreement, the Information
Statement (including any registration statement on Form 10 of which such
Information Statement may be a part) and the Distribution, and the consummation
of the transactions contemplated thereby, shall be charged to and paid by IMPCO.
Except as set forth on Schedule 9.5 or as otherwise set forth in this Agreement
                       ------------
or any Ancillary Agreement, each party shall bear its own costs and expenses
incurred after the Distribution Date. Any amount or expense to be paid or
reimbursed by any party hereto to any other party hereto shall be so paid or
reimbursed promptly after the existence and amount of such obligation is
determined and demand therefor is made.

     SECTION 9.6 NOTICES. All notices and other communications hereunder shall
be in writing and hand delivered or mailed by registered or certified mail
(return receipt requested) to the parties at the following addresses (or at such
other addresses for a party as shall be specified by like notice) and will be
deemed given on the date on which such notice is received as evidenced by
written receipt, acknowledgement or other evidence of actual receipt:

          (i)      if to IMPCO, to:

                   IMPCO Technologies, Inc.
                   16804 Gridley Place
                   Cerritos, CA 90703
                   Telecopy: (562) 924-8069
                   Attn: Chief Financial Officer

                   with a copy to:

                   Morrison & Foerster LLP
                   555 West Fifth Street, Suite 3500
                   Los Angeles, CA 90013
                   Telecopy: (213) 892-5454
                   Attn: Jonathan F. Atzen, Esq.

                                       53

<PAGE>

          (ii)     if to Quantum, to:

                   Quantum Fuel Systems Technologies Worldwide, Inc.
                   17872 Cartwright Road
                   Irvine, CA 92614
                   Telecopy: (949) 474-3086
                   Attn:  Chief Executive Officer
                   with a copy to:

                   Perkins Coie LLP
                   1620 26th Street, 6th Floor
                   Santa Monica, CA 90404
                   Telecopy: (310) 788-3399
                   Attn: Charles L. Crouch, Esq.

     SECTION 9.7 WAIVERS. The failure of any party to require strict performance
by any other party of any provision in this Agreement will not waive or diminish
that party's right to demand strict performance thereafter of that or any other
provision hereof.

     SECTION 9.8 AMENDMENTS. Subject to the terms of Section 9.11 hereof, this
Agreement may not be modified or amended except by an agreement in writing
signed by each of the parties hereto.

     SECTION 9.9 ASSIGNMENT.

     (a) This Agreement shall not be assignable, in whole or in part, directly
or indirectly, by operation of law or otherwise, by any party hereto without the
prior written consent of the other parties hereto, and any attempt to assign any
rights or obligations arising under this Agreement without such consent shall be
void.

     (b) IMPCO will not distribute to its stockholders any interest in any IMPCO
Business Entity, by way of a spin-off distribution, split-off or exchange of
interests in a IMPCO Business Entity for any interest in IMPCO held by IMPCO
stockholders, or any similar transaction or transactions, unless the distributed
IMPCO Business Entity undertakes to Quantum to be jointly and severally liable
for all liabilities of IMPCO hereunder.

     (c) Quantum will not distribute to its stockholders any interest in any
Quantum Business Entity, by way of a spin-off distribution, split-off or
exchange of interests in a Quantum Business Entity for any interest in Quantum
held by Quantum stockholders, or any similar transaction or transactions, unless
the distributed Quantum Business Entity undertakes to IMPCO to be jointly and
severally liable for all liabilities of Quantum hereunder.

                                       54

<PAGE>

     SECTION 9.10 SUCCESSORS AND ASSIGNS. The provisions to this Agreement shall
be binding upon, inure to the benefit of and be enforceable by the parties and
their respective successors and permitted assigns.

     SECTION 9.11 TERMINATION. This Agreement (including, without limitation,
Article III hereof) may be terminated and the Distribution may be amended,
modified or abandoned at any time prior to the Effective Time by and in the sole
discretion of IMPCO without the approval of Quantum or the shareholders of
IMPCO. In the event of such termination, no party shall have any liability of
any kind to any other party or any other person. After the Distribution, this
Agreement may not be terminated except by an agreement in writing signed by the
parties; provided, however, that Article III shall not be terminated or amended
after the Distribution in respect of the third party beneficiaries thereto
without the consent of such persons.

     SECTION 9.12 SUBSIDIARIES. Each of the parties hereto shall cause to be
performed, and hereby guarantees the performance of, all actions, agreements and
obligations set forth herein to be performed by any Subsidiary of such party or
by any entity that is contemplated to be a Subsidiary of such party on and after
the Effective Time.

     SECTION 9.13 THIRD PARTY BENEFICIARIES. Except as provided in Article III
relating to Indemnitees, this Agreement is solely for the benefit of the parties
hereto and their respective Subsidiaries and Affiliates and should not be deemed
to confer upon third parties any remedy, claim, liability, reimbursement, claim
of action or other right in excess of those existing without reference to this
Agreement.

     SECTION 9.14 TITLE AND HEADINGS. Titles and headings to sections herein are
inserted for the convenience of reference only and are not intended to be a part
of or to affect the meaning or interpretation of this Agreement.

     SECTION 9.15 EXHIBITS AND SCHEDULES. The Exhibits and Schedules shall be
construed with and as an integral part of this Agreement to the same extent as
if the same had been set forth verbatim herein.

     SECTION 9.16 GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF CALIFORNIA APPLICABLE TO
CONTRACTS MADE AND TO BE PERFORMED IN THE STATE OF CALIFORNIA, WITHOUT REFERENCE
TO THE CONFLICT OF LAWS PROVISIONS THEREOF.

                                       55

<PAGE>

     SECTION 9.17 CONSENT TO JURISDICTION. Without limiting the provisions of
Article VII hereof, each of the parties irrevocably submits to the exclusive
jurisdiction of (a) the Superior Court of the State of California, Los Angeles
County, and (b) the United States District Court for the Central District of
California, for the purposes of any suit, action or other proceeding arising out
of this Agreement or any transaction contemplated hereby. Each of the parties
agrees to commence any action, suit or proceeding relating hereto either in the
United States District Court for the Central District of California or if such
suit, action or other proceeding may not be brought in such court for
jurisdictional reasons, in the Superior Court of the State of California, Los
Angeles County. Each of the parties further agrees that service of any process,
summons, notice or document by U.S. registered mail to such party's respective
address set forth above shall be effective service of process for any action,
suit or proceeding in California with respect to any matters to which it has
submitted to jurisdiction in this Section 9.17. Each of the parties irrevocably
and unconditionally waives any objection to the laying of venue of any action,
suit or proceeding arising out of this Agreement or the transactions
contemplated hereby in (i) Superior Court of the State of California, Los
Angeles County, or (ii) the United States District Court for the Central
District of California, and hereby further irrevocably and unconditionally
waives and agrees not to plead or claim in any such court that any such action,
suit or proceeding brought in any such court has been brought in an inconvenient
forum.

     SECTION 9.18 SEVERABILITY. In the event any one or more of the provisions
contained in this Agreement should be held invalid, illegal or unenforceable in
any respect, the validity, legality and enforceability of the remaining
provisions contained herein and therein shall not in any way be affected or
impaired thereby. The parties shall endeavor in good-faith negotiations to
replace the invalid, illegal or unenforceable provisions with valid provisions,
the economic effect of which comes as close as possible to that of the invalid,
illegal or unenforceable provisions.

                        [Signatures follow on next page]

                                       56

<PAGE>

     IN WITNESS WHEREOF, the parties have caused this Agreement to be duly
executed as of the day and year first above written.

                                            IMPCO TECHNOLOGIES, INC.

                                            By:____________________________
                                               Name:
                                               Title:

                                            QUANTUM FUEL SYSTEMS
                                            TECHNOLOGIES WORLDWIDE, INC.

                                            By:____________________________
                                               Name:
                                               Title:

                                       57<PAGE>

                                                                    Exhibit 10.2

                  TAX ALLOCATION AND INDEMNIFICATION AGREEMENT

     This TAX ALLOCATION AND INDEMNIFICATION AGREEMENT (this "Agreement") is
dated as of [_______________], 2002, by and between IMPCO Technologies, Inc., a
Delaware corporation ("IMPCO"), and Quantum Fuel Systems Technologies Worldwide,
Inc., a Delaware corporation ("Quantum") (each, individually a "Party," and
collectively, the "Parties").

     WHEREAS, IMPCO, acting directly and through its subsidiaries, currently
conducts a number of businesses, including, without limitation, (i) the Gaseous
Fuel Products Business (as defined in the Distribution Agreement), (ii) the
Automotive OEM Business (as defined in the Distribution Agreement), and (iii)
the International Business (as defined in the Distribution Agreement);

     WHEREAS, the Board of Directors of IMPCO has determined that it is
appropriate, desirable and in the best interests of IMPCO and its businesses as
well as of the holders of shares of common stock, par value $0.001 per share, of
IMPCO (the "IMPCO Common Stock"), to restructure IMPCO to separate from IMPCO
            ------------------
the Automotive OEM Business and to cause such business to be owned and
conducted, directly or indirectly, by Quantum;

     WHEREAS, in order to effect the separation, the Board of Directors of IMPCO
has determined that it is appropriate, desirable and in the best interests of
IMPCO and its businesses as well as of the holders of IMPCO Common Stock, for
IMPCO to take certain steps to reorganize IMPCO's Subsidiaries (as defined
herein) and businesses and upon the completion of such reorganization to
distribute to the holders of the IMPCO Common Stock all the outstanding shares
of common stock, par value $0.001 per share, of Quantum (the "Quantum Common
                                                              --------------
Shares") as set forth in that certain Contribution and Distribution Agreement
------
dated as of [____________], 2002 between IMPCO and Quantum (the "Distribution
                                                                 ------------
Agreement");
---------
     WHEREAS, as a result of the Distribution (as defined in the Distribution
Agreement), the Quantum Group will not be included in the consolidated federal
Income Tax Return of IMPCO for the portion of the year following the
Distribution and in future years; and

     WHEREAS, IMPCO and Quantum desire to allocate the Tax (as defined herein)
burdens and benefits of transactions which occurred on or prior to the
Distribution Date (as defined herein) and to provide for certain other Tax
matters, including the assignment of responsibility for the preparation and
filing of Tax Returns (as defined herein), the payment of Taxes, and the
prosecution and defense of any Tax controversies.

     NOW, THEREFORE, in consideration of the mutual agreements, provisions and
covenants contained in this Agreement, the Parties hereby agree as follows:

                                       1

<PAGE>

                                    ARTICLE I
                                   DEFINITIONS

SECTION 1.1.  GENERAL.

     Capitalized terms used in this Agreement and not defined herein shall have
the meanings that such terms have in the Distribution Agreement. As used in this
Agreement, the following terms shall have the following meanings:

     (a) "Award" means stock options issued to a single person that have the
same date of grant and exercise price.

     (b) "Basic Research Payments" shall have the meaning set forth in Section
41(e)(2) of the Code.

     (c) "Code" shall mean the U.S. Internal Revenue Code of 1986, as amended,
and the Treasury regulations promulgated thereunder, including any successor
legislation.

     (d) "Combined Returns" shall mean all state Income Tax Returns with respect
to which IMPCO files on a combined or unitary basis with some or all of its
Subsidiaries.

     (e) "Consolidated Returns" shall mean all consolidated federal Income Tax
Returns of the affiliated group of which IMPCO is the common parent.

     (f) "Controlled Entity" shall mean any corporation, partnership or other
entity of which another entity (i) owns, directly or indirectly, ownership
interests sufficient to elect a majority of the Board of Directors (or persons
performing similar functions) (irrespective of whether at the time any other
class or classes of ownership interests of such corporation, partnership or
other entity shall or might have such voting power upon the occurrence of any
contingency) or (ii) is a general partner or an entity performing similar
functions (e.g., a trustee).

     (g) "Crossover Option" shall have the meaning set forth in Section 5.3(b).

     (h) "Definitive Guidance" means temporary or final Treasury regulations, a
Revenue Ruling, Revenue Procedure or Notice issued by the Internal Revenue
Service or a final decision of the United States Tax Court.

     (i) "Distribution Agreement" shall have the meaning set forth in the
recitals hereto.

     (j) "Final Determination" shall mean the final resolution of liability for
any Tax for any taxable period, including any related interest or penalties, by
or as a result of: a final and unappealable decision, judgment, decree or other
order by any court of competent jurisdiction; (ii) a closing agreement or
accepted offer in compromise under Section 7121 or 7122 of the Code, or
comparable agreement under the laws of other jurisdictions which resolves the
entire Tax liability for any taxable period; (iii) any allowance of a refund or
credit in respect of an overpayment of Tax, but only after the expiration of all
periods during which such refund may be

                                       2

<PAGE>

recovered by the jurisdiction imposing the Tax; or (iv) any other final
disposition, including by reason of the expiration of the applicable statute of
limitations.

     (k) "Foreign Taxes shall mean any Taxes imposed by a foreign Governmental
Authority.

     (l) "Foreign Tax Return" means any Tax Return filed with a foreign
Governmental Authority.

     (m) "Franchise Tax Returns" shall mean all franchise Tax Returns of the
Pre-Distribution IMPCO Group or any member thereof.

     (n) "Governmental Authority" shall mean any federal, state, local, foreign
or international court, government, department, commission, board, bureau,
agency, official or other regulatory, administrative or governmental authority.

     (o) "Gross Receipts" shall have the meaning set forth in Section 41(c)(6)
of the Code.

     (p) "Included Party" shall have the meaning as defined in Section 2.3.

     (q) "Income Tax Return" shall mean any Tax Return relating to Income Taxes.

     (r) "Income Taxes" shall mean any federal, state or local Taxes determined
by reference to income or imposed in lieu of income Taxes, such as Taxes based
on net worth or gross receipts.

     (s) "Indemnifying Party" shall have the meaning as defined in Section 3.4.

     (t) "Indemnitee" shall have the meaning as defined in Section 3.4.

     (u) "IMPCO" shall have the meaning set forth in the recitals hereto.

     (v) "IMPCO Business" shall mean each and every business conducted at any
time by IMPCO or any Subsidiary of IMPCO prior to the Effective Time, excluding
the Quantum Business.

     (w) "IMPCO Group" shall mean IMPCO and each person (other than any member
of the Quantum Group) that is a Subsidiary of IMPCO immediately prior to the
Effective Time.

     (x) "IMPCO Option" means an option to acquire stock of IMPCO.

     (y) "IMPCO Optionee" means a person who at the time of the exercise of a
Replacement Option (i) is employed by or otherwise providing services to a
member of the IMPCO Group, or (ii) is not employed by or otherwise providing
services to a member of either the IMPCO Group or the Quantum Group but who
previously was employed by or otherwise provided services to a member of the
IMPCO Group and after the termination of such relationship did not become
employed by or otherwise provide services to a member of the Quantum Group.

                                       3

<PAGE>

     (z)  "Non-Combined Returns" shall mean all state and local Income Tax
Returns (other than Combined Returns), of the Pre-Distribution IMPCO Group or
any member thereof.

     (aa) "Nonperforming Party" shall have the meaning as defined in Section
6.2.

     (ab) "Other Taxes" shall mean all Taxes other than Taxes covered by a
Consolidated Return, a Combined Return, a Non-Combined Return, a Franchise Tax
Return or a Foreign Tax Return.

     (ac) "Partnership" shall mean any entity classified as a partnership for
U.S. federal income tax purposes.

     (ad) "Party" or "Parties" shall have the meanings as defined in the
recitals hereto.

     (ae) "Person" shall mean any natural person, corporation, business trust,
joint venture, association, company, partnership or government, or any agency or
political subdivision thereof.

     (af) "Pre-Distribution IMPCO Group" shall mean IMPCO and all of its
Subsidiaries (direct and indirect, domestic and foreign) prior to the
Distribution, including Quantum.

     (ag) "Preparing Party" shall have the meaning as defined in Section 2.3.

     (ah) "Restructuring" shall mean the series of contributions and
distributions of Controlled Entities and assets, transfers and assumptions of
liabilities, and other transactions whereby the IMPCO Group and the Quantum
Group are formed and all other Controlled Entities of IMPCO prior to the
Distribution are placed under the control of the appropriate parent
corporation(s) in connection with the Distribution.

     (ai) "Qualified Research Expenses" shall have the meaning set forth in
Section 41(b) of the Code.

     (aj) "Quantum Assets" shall have the meaning set forth in the Distribution
Agreement.

     (ak) "Quantum Business" shall have the meaning set forth in the
Distribution Agreement.

     (al) "Quantum Group" shall mean Quantum and each business entity which is
contemplated to remain or become a Subsidiary of Quantum under the Distribution
Agreement, which shall include those identified on Schedule 1.1(vv)(i) to the
                                                   -------------------
Distribution Agreement.

     (am) "Quantum Option" means an option to acquire stock of Quantum.

     (an) "Quantum Optionee" means a person who at the time of the exercise of a
Replacement Option (i) is employed by or otherwise providing services to a
member of the Quantum Group, or (ii) is not employed by or otherwise providing
services to a member of either the Quantum Group or the IMPCO Group but who
previously was employed by or otherwise provided services to a member of the
Quantum Group and after the termination of such

                                       4

<PAGE>

relationship did not become employed by or otherwise provide services to a
member of the IMPCO Group.

     (ao) "Replacement Option" means (i) an option to acquire stock of IMPCO or
an option to acquire stock of Quantum which option was issued pursuant to
Article V of the Employee Matters Agreement or in connection with the
Distribution, or (ii) an option that is issued in exchange for an option
described in clause (i) or (ii) of this definition.

     (ap) "Research Credit" means the research credit determined under Section
41 of the Code.

     (aq) "Subsidiary" shall mean any entity of which another entity's ownership
satisfies the 80-percent voting and value test defined in Section 1504(a)(2) of
the Code, whether directly or indirectly.

     (ar) "Tax" or "Taxes" whether used in the form of a noun or adjective,
shall mean taxes on or measured by income, franchise, gross receipts, sales,
use, excise, payroll, personal property, real property, ad-valorem, value-added,
leasing, leasing use or other taxes, levies, imposts, duties, charges or
withholdings of any nature (including, without limitation, any liability under
Treasury Regulations Section 1.1502-6 or any comparable provision of foreign,
state or local law). Whenever the term "Tax" or "Taxes" is used (including,
without limitation, regarding any duty to reimburse another Party for
indemnified taxes or refunds or credits of taxes) it shall include penalties,
fines, additions to tax and interest thereon.

     (as) "Tax Item" shall mean any item of income, capital gain, net operating
loss, capital loss, deduction, credit or other Tax attribute relevant to the
calculation of a Tax liability.

     (at) "Tax Matters Partner" shall mean the tax matters partner as defined in
Section 6231(a)(7) of the Code.

     (au) "Tax Returns" shall mean all reports or returns (including information
returns) required to be filed or that may be filed for any period with any
Governmental Authority (whether domestic or foreign) in connection with any Tax
or Taxes (whether domestic or foreign).

     (av) "Transferred Business" shall have the meaning set forth in Section
4.4.

SECTION 1.2.  REFERENCES; INTERPRETATION.

     References in this Agreement to any gender include references to all
genders, and references to the singular include references to the plural and
vice versa. The words "include," "includes" and "including" when used in this
Agreement shall be deemed to be followed by the phrase "without limitation."
Unless the context otherwise requires, references in this Agreement to Articles,
Sections, Exhibits and Schedules shall be deemed references to Articles and
Sections of, and Exhibits and Schedules to, such Agreement. Unless the context
otherwise requires, the words "hereof," "hereby" and "herein" and words of
similar meaning when used in this

                                       5

<PAGE>

Agreement refer to this Agreement in its entirety and not to any particular
Article, Section or provision of this Agreement.

                                   ARTICLE II
                      PREPARATION AND FILING OF TAX RETURNS

SECTION 2.1.  PREDISTRIBUTION TAX RETURNS.

     (a) Notwithstanding anything herein to the contrary, IMPCO shall prepare
and file all Tax Returns due on or before the Distribution Date.

     (b) IMPCO shall prepare and file (i) all Consolidated Returns, Combined
Returns, Non-Combined Returns, and Franchise Tax Returns that are not filed
prior to the Distribution Date and (ii) any Tax Returns of any Partnership of
which IMPCO or any Subsidiary is the Tax Matters Partner if a distributive share
of Partnership income, gain loss or deduction is included in any such Tax
Return.

     (c) All Tax Returns for Other Taxes for periods beginning prior to the
Distribution Date shall be prepared and filed by Quantum if they relate to any
Quantum Business, and otherwise, by IMPCO.

     (d) All Foreign Tax Returns that are required to be filed by or relating to
any member of the Pre-Distribution IMPCO Group for periods beginning before the
Distribution Date shall be prepared and filed by the entity that filed the
corresponding Tax Return for the most recent period for which such a Tax Return
has been filed, or, if no such corresponding Tax Return has been filed, by the
appropriate entity in accordance with local law or custom.

SECTION 2.2.  POST-DISTRIBUTION TAX RETURNS.

     (a) The filing of all Tax Returns for periods beginning on or after the
Distribution Date shall be the responsibility of IMPCO if they relate to the
IMPCO Group or any member thereof and shall be the responsibility of Quantum if
they relate to the Quantum Group or any member thereof.

     (b) In the case of any Partnership in which a member of the
Pre-Distribution IMPCO Group is the designated Tax Matters Partner, such entity
shall continue to be responsible for the preparation and filing of such
Partnership's Tax Returns.

SECTION 2.3.  MANNER OF PREPARATION.

     (a) To the extent any Tax Return includes Taxes relating to a Party (or any
of its Subsidiaries) other than the Party preparing such Tax Return (the
"Preparing Party"), the Party not responsible for preparing the Tax Return (the
"Included Party"), upon request by the Preparing Party, shall prepare and
deliver to the Preparing Party, at least 60 days prior to the due date
(including extensions) of such Tax Return, a true and correct accounting of all
relevant Tax Items so requested relating to the Included Party (and any of its
Subsidiaries) for the taxable period.

                                       6

<PAGE>

     (b) All Tax Returns filed on or after the Distribution Date shall be
prepared on a basis that is consistent with the tax opinion obtained from
Morrison & Foerster LLP in connection with the Distribution (in the absence of a
controlling change in law or circumstances) and shall be filed on a timely basis
(including pursuant to extensions) by the Party responsible for such filing
under this Agreement. In the absence of a controlling change in law or
circumstances and unless deviation from past practice would have no adverse
effect on the other Party, all Tax Returns filed within three years after the
Distribution Date shall be prepared on a basis consistent with the elections,
accounting methods, conventions, assumptions and principles of taxation used for
the most recent taxable periods for which Tax Returns involving similar Tax
Items have been filed; provided, however, that a Party preparing any Tax Return
that does not conform to such past practices shall not be liable for any
additional Tax liability imposed on the other Party, in whole or in part, as a
result of such deviation from past practice if: (i) 30 days prior to the filing
of such Tax Return, the Party preparing such Tax Return notifies the other Party
if such other Party may be adversely affected; and (ii) the Party preparing such
Tax Return establishes that conformity with past practice involves a significant
risk of the imposition of a penalty. Subject to the provisions of this
Agreement, all decisions relating to the preparation of Tax Returns shall be
made in the sole discretion of the Party responsible under this Agreement for
its preparation; provided, however, that the "Included Party" shall have the
right to review and comment on such Tax Return prior to the filing thereof in
the following manner:

     The Preparing Party shall submit any part of such Tax Return relating to
the Included Party (or any of its Subsidiaries) to the Included Party at least
14 days prior to the date on which such Tax Return is due (including
extensions). The Included Party shall submit its comments to the Preparing Party
within 7 days of receipt of the relevant portions of such Tax Return. The
Preparing Party shall alter such Tax Return to reflect the reasonable comments
of the Included Party unless the Preparing Party reasonably believes that such
alteration would have an adverse impact upon the Preparing Party.

     (c) Unless otherwise required by any Governmental Authority, the Parties
hereby agree to file all Tax Returns, and to take all other actions, in a manner
consistent with the position that the Distribution Date is the last day on which
any member of the Quantum Group was included in the Pre-Distribution IMPCO
Group. For any period that includes but does not end on the Distribution Date,
to the extent permitted by law or administrative practice, the taxable year of
each Quantum Group member of the Pre-Distribution IMPCO Group and any group of
such members shall be treated as ending on the Distribution Date.

                                   ARTICLE III
                                PAYMENT OF TAXES

SECTION 3.1.  PRE-DISTRIBUTION TAXES.

     (a) The Party responsible for the filing of any Tax Return pursuant to
Sections 2.1 and 2.2 shall pay to the relevant Governmental Authority all Taxes
due or payable in connection therewith; PROVIDED, that if, pursuant to this
Article III, one Party is liable for any Taxes relating to a Tax Return filed by
the other Party, upon request by such other Party, such non-

                                       7

<PAGE>

filing Party shall pay the filing Party the amount of such Taxes within thirty
(30) days of such request.

     (b) With respect to any Consolidated Return, Combined Return, Non-Combined
Return or Franchise Tax Return for a taxable period ending before May 1, 2001
that is not filed prior to the Distribution Date, IMPCO shall be liable for all
Taxes payable with such Tax Return and shall be entitled to any refund or credit
for an overpayment of Taxes shown on such Tax Return. Except as otherwise
provided in Section 3.2 hereof, with respect to any Consolidated Return,
Combined return, Non-Combined Return or Franchise Tax Return for a taxable
period beginning on or after May 1, 2001, IMPCO shall be liable for all Taxes
payable with such Tax Return that are attributable to the portion of such
taxable period up to and including the Distribution Date and that exceed the
amount of Taxes paid in respect of such taxable period (as estimated Taxes or
otherwise) on or prior to the Distribution Date and (ii) shall be entitled to
any refund or credit of Taxes to the extent Taxes paid in respect of such
taxable period (as estimated Taxes or otherwise) on or prior to the Distribution
Date exceed the amount of Taxes attributable to the portion of the period up to
and including the Distribution Date. The determination of the amount of Taxes
attributable to the portion of such taxable period up to and including the
Distribution Date shall be done on the basis of a closing of the books of IMPCO
as of the Distribution Date, except that Tax Items calculated on an annual basis
shall be apportioned based on the percentage of the actual period to which such
taxes relate that precedes the Distribution Date.

     (c) In the event of any Final Determination adjusting the amount of any
Taxes that are the subject of a Consolidated Return, Combined Return,
Non-Combined Return or Franchise Tax Return, Quantum shall be liable for its
share of any increases in Taxes and shall be entitled to its share of any
refunds or credits of Taxes, and IMPCO shall be liable for all other increases
in Taxes and shall be entitled to all other refunds or credits of Taxes, all in
accordance with the principles of Sections 3.1(a) and (b) above.

     (c) IMPCO shall be liable for all Other Taxes that are attributable to the
IMPCO Business and Quantum shall be liable for all Other Taxes that are
attributable to the Quantum Business.

     (e) In the case of any Consolidated Return, Combined Return, Non-Combined
Return or Franchise Tax Return with respect to which IMPCO has responsibility
for any Taxes or is entitled to any refunds or credits of Taxes pursuant to this
Section 3.1, IMPCO shall have the right to prepare an amended Tax Return.
Quantum shall be required to sign and file any such amended Tax Return, as
necessary. IMPCO shall be entitled to any refunds or credits of Taxes relating
to any such amended Tax Return.

     (f) The entity responsible for the filing of any Foreign Tax Return
pursuant to Section 2.1(c) shall pay to the relevant Governmental Authority all
Taxes due or payable (or receive all refunds) in connection therewith; PROVIDED,
HOWEVER, that each of the Parties shall be liable for all Foreign Taxes (or be
entitled to receive all refunds) for all taxable periods beginning prior to the
Distribution Date, including audit adjustments thereto, relating to such Party's
business. To the extent any Foreign Tax Return includes Taxes relating to a
business other than the Preparing Party's business, the Included Party shall
prepare and deliver to the

                                       8

<PAGE>

Preparing Party, at least 30 days prior to the due date (including extensions)
of such Foreign Tax Return, a true and correct accounting of all relevant Tax
Items and corresponding Taxes relating to the Included Party's business for the
taxable period ("Separate Business Foreign Taxes") and shall pay the Preparing
Party the amount of any such Separate Business Foreign Taxes at that time.
Separate Business Foreign Taxes shall be calculated as if the Included Party's
business were a separate taxpayer for the relevant taxable period. All such
calculations shall be based upon the business's actual Tax attributes for the
relevant taxable period, including the use of the business's Tax attributes
(such as losses or credits) from prior periods that are not otherwise utilized
and that are carried over to the relevant taxable period under local law.

            (i)    If the total liability for Taxes reported as due and
payable on the relevant Foreign Tax Return exceeds or is less than the total of
the Separate Business Foreign Taxes for all businesses included in such Foreign
Tax Return, then the cost or benefit of any net difference shall be allocated to
each business in proportion to the amount of taxable income generated by such
business.

            (ii)   Notwithstanding any statement to the contrary in this
Section 3.1(f), the Separate Business Foreign Taxes of any entity shall not
exceed the total liability for Taxes reported as due and payable on the relevant
Foreign Tax Return.

            (iii)  In the event of any Final Determination upholding an audit
adjustment to the amount of Foreign Taxes reported as due and payable on the
relevant Foreign Tax Return, Separate Business Foreign Taxes shall be
recalculated to incorporate any such adjustment.

SECTION 3.2.  POST-DISTRIBUTION TAXES.

     Unless otherwise provided in this Agreement (except with respect to Section
3.1, which shall be subject to this Section 3.2 to the extent inconsistent
herewith):

     (a)    IMPCO shall pay all Taxes and shall be entitled to receive and
retain all refunds of Taxes:

            (i)    with respect to a Consolidated Return, Combined Return,
Non-Combined Return or Franchise Tax Return for a taxable period that begins
prior to the Distribution Date and includes but does not end on the Distribution
Date to the extent such Taxes or refunds are attributable to (y) the portion of
such period after the Distribution Date and (z) the IMPCO Group or any member
thereof; and

            (ii)   with respect to periods beginning on or after the
Distribution Date that are attributable to the IMPCO Group or any member
thereof.

     (b)    Quantum shall pay all Taxes and shall be entitled to receive and
retain all refunds of Taxes:

            (i)    with respect to a taxable period that begins prior to the
Distribution Date, and includes but does not end on the Distribution Date, to
the extent such Taxes or refunds are

                                       9

<PAGE>

attributable to (y) the portion of such period after the Distribution Date and
(z) the Quantum Group or any member thereof; and

              (ii)  with respect to periods beginning on or after the
Distribution Date that are attributable to the Quantum Group or any member
thereof; including any such Taxes relating to a Combined Return described in
Section 2.2(a) hereof.

SECTION 3.3.  RESTRUCTURING AND DISTRIBUTION TAXES.

     (a)    Notwithstanding any statement to the contrary in this Agreement, and
except as otherwise provided in the Distribution Agreement, to the extent that
any Taxes are found to arise out of the Restructuring, then any such Tax
liability incurred by the Parties (or any of their Subsidiaries) shall be the
responsibility of Quantum, regardless of the Party primarily liable for such
Taxes under the applicable Tax laws, provided that any liability for Taxes
arising in connection with the application of Section 357(c) of the Code shall
be the responsibility of IMPCO.

     (b)    Notwithstanding any statement herein to the contrary, any Taxes
relating to or arising out of the Distribution shall be governed by Section 2.11
of the Distribution Agreement; PROVIDED, HOWEVER, that the provisions of Article
V of this Agreement shall control to the extent inconsistent with the provisions
of the Distribution Agreement.

SECTION 3.4.  INDEMNIFICATION.

     (a)    Indemnification by IMPCO. IMPCO shall indemnify, defend and hold
            ------------------------
harmless Quantum (and its affiliates) from and against any and all Tax
liabilities allocated to IMPCO by this Agreement, the Employee Benefit Matters
Agreement or the Distribution Agreement.

     (b)    Indemnification by Quantum. Quantum shall indemnify, defend and hold
            --------------------------
harmless IMPCO (and its affiliates) from and against any and all Tax liabilities
allocated to Quantum by this Agreement, the Employee Benefit Matters Agreement
or the Distribution Agreement.

     (c)    Indemnity Payments.
            ------------------

            (i)  To the extent that one Party (the "Indemnifying Party") owes
money to another Party (the "Indemnitee") pursuant to this Section 3.4, the
Party (the "Notifying Party") having knowledge of such obligation shall notify
the other Party and shall provide such other Party with its calculations of such
obligation (as specified in Articles I and III hereof). The other Party, within
14 days after receiving the Notifying Party's calculations, shall submit to the
Notifying Party such other Party's calculations of the amount required to be
paid pursuant to this Section 3.4, showing such calculations in sufficient
detail so as to permit the Notifying Party to understand the calculations. The
Indemnifying Party shall pay the Indemnitee, no later than the later of 5 days
prior to the due date (including extensions) of the relevant Tax Returns and 14
days after the Notifying Party receives the other Party's calculations, the
amount for which the Indemnifying Party is required to pay or indemnify the
Indemnitee under this Section 3.4. The

                                       10

<PAGE>

Indemnifying Party shall have the right to disagree with the Indemnitee's
calculations. Any dispute regarding such calculations shall be resolved in
accordance with Section 6.4 of this Agreement.

             (ii)   All indemnity payments shall be calculated on a pre-Tax
basis and, unless otherwise required by law, shall be treated as contributions
to capital and/or dividends immediately prior to the Distribution.

                                   ARTICLE IV
                                 TAX ATTRIBUTES

SECTION 4.1. CARRYBACKS.

     In the event of the realization of any deduction, loss or credit by a Party
for any taxable period beginning on or after the Distribution Date, the Party
realizing such deduction, loss or credit may, in its sole discretion, and to the
extent permitted under applicable Tax law, elect to either carry back or carry
forward such deduction, loss or credit. Any refund attributable to such
carryback shall be allocable to such Party. In the event both Parties elect to
carry back an amount to the same taxable period beginning prior to the
Distribution Date, any refund shall be apportioned between the Parties based on
the relative carryback amounts.

SECTION 4.2. COMPETENT AUTHORITY RELIEF.

     If as a result of any audit of a taxable period beginning prior to the
Distribution Date, a Party (or a Subsidiary thereof) is required to adjust its
income, deductions, credits or allowances under Section 482 of the Code or under
similar principles in a foreign jurisdiction, and the payment of additional
Taxes in accordance with such a determination allows the other Party (or
Subsidiary) to obtain competent authority relief as a result thereof, then the
Party eligible to obtain such relief shall (a) execute or cause to be executed
any powers of attorney or other documents necessary to enable the other Party to
pursue such relief at its own expense; and (b) cooperate with the other Party
and the competent authorities in seeking such relief.

SECTION 4.3. EARNINGS AND PROFITS.

     The Parties agree to allocate the Pre-Distribution IMPCO Group's "earnings
and profits" (as determined for federal income tax purposes), if any, between
the between the IMPCO Group and the Quantum Group based upon the relative
closing prices for IMPCO common stock and Quantum common stock on the NASDAQ
National Market on the Distribution Date.

SECTION 4.4. RESEARCH CREDITS.

     For purposes of determining each Party's Research Credits for taxable
periods ending after the Distribution Date with respect to Qualified Research
Expenses and Basic Research Payments incurred or made by them after the
Distribution Date and pursuant to Section 41(f)(3) of the Code, the Parties
agree to treat the Distribution as the acquisition by Quantum of a major portion
of a trade or business of IMPCO and the disposition of such portion by IMPCO
with

                                       11

<PAGE>

respect to the transfer of the Quantum Business and the Quantum Assets (the
"Transferred Business") from IMPCO to Quantum in connection with the
Distribution. In connection therewith and in accordance with Section 41(f)(3) of
the Code: (a) Quantum shall increase its Qualified Research Expenses and Gross
Receipts for periods prior to the Distribution Date by so much of the Qualified
Research Expenses and Gross Receipts of IMPCO that are attributable to the
Transferred Business for such periods, as reasonably determined by IMPCO, (b)
IMPCO shall decrease its Qualified Research Expenses and Gross Receipts for
periods prior to the Distribution Date by the amounts of IMPCO's Qualified
Research Expenses and Gross Receipts described in clause (a), and (c) IMPCO
shall provide Quantum with the information necessary for Quantum to comply with
Section 41(f)(3)(A) of the Code. Notwithstanding anything herein to the
contrary, the IMPCO Group shall retain all of its Research Credit carryovers
from all periods prior to the Distribution Date and no portion of such Research
Credit carryovers shall be allocated or attributed to the Quantum Group.

                                    ARTICLE V
                           COMPENSATORY STOCK OPTIONS

SECTION 5.1. IMPCO DEDUCTIONS.

     Notwithstanding anything herein or in an Ancillary Agreement to the
contrary:

     (a) All compensation deductions attributable to the amounts included in the
gross income of an IMPCO Optionee whether such amounts of gross income are
attributable to the exercise of an IMPCO Option or a Quantum Option shall be
allocated to and claimed by the IMPCO Group and the Quantum Group shall not
report such deductions on its Income Tax Returns.

     (b) All compensation deductions attributable to the amounts included in the
gross income of a Quantum Optionee as a result of the exercise of a Quantum
Option or IMPCO Option after the Distribution Date shall be allocated to and
claimed by the Quantum Group and the IMPCO Group shall not report such
deductions on its Income Tax Returns.

SECTION 5.2. WITHHOLDING AND INFORMATION REPORTING.

     (a) Notwithstanding anything herein or in an Ancillary Agreement to the
contrary, (i) IMPCO shall be responsible for any payroll Taxes, withholding
Taxes and information reporting arising out of the exercise of an IMPCO Option
or a Quantum Option by an IMPCO Optionee, and (ii) Quantum shall be responsible
for any payroll Taxes, withholding Taxes and information reporting arising out
of the exercise of an IMPCO Option or a Quantum Option by a Quantum Optionee.

     (b) With respect to any Quantum Option held by an IMPCO Optionee, and with
respect to any IMPCO Option held by a Quantum Optionee, (each, a "Crossover
Option"), such entity as mutually designated by IMPCO and Quantum shall act as
the recordkeeper for the Crossover Options. If the exercise of Crossover Options
is made pursuant to a broker-assisted

                                       12

<PAGE>

cashless exercise through the recordkeeper in accordance with the regulations of
the Federal Reserve Board, then immediately after such exercise, the
recordkeeper shall sell the number of shares necessary to remit the following
payments (which may be all the shares): (i) to the issuer of the option, the
exercise price; and (ii) to the employer of the option holder, the employee's
share of income and payroll taxes. The recordkeeper shall thereafter remit to
the option holder (i) the balance of the proceeds from the sale of all shares or
(ii) the remaining whole shares and cash for any fractional shares, as
applicable.

SECTION 5.3. COOPERATION.

     IMPCO and Quantum agree to act (or to take such action) with respect to
such compensation deductions, and with respect to fulfilling the payroll Tax,
withholding Tax and information reporting obligations, consistent with Sections
5.1 through 5.2 above, as are reasonably necessary or appropriate to achieve,
maintain and/or preserve such tax results.

                                   ARTICLE VI
                   TAX AUDITS, TRANSACTIONS AND OTHER MATTERS

SECTION 6.1. TAX AUDITS AND CONTROVERSIES.

     In the case of any audit, examination or other proceeding ("Proceeding")
brought against a Party (or a Subsidiary thereof) with respect to Taxes for
which the other Party is or may be liable pursuant to this Agreement, the Party
subject to such Proceeding shall promptly inform such other Party and shall
execute or cause to be executed any powers of attorney or other documents
necessary to enable the other Party to take all actions desired with respect to
such Proceeding to the extent such Proceeding may affect the amount of Taxes for
which the other Party is liable pursuant to this Agreement. Each Party shall
have the right to control, at its own expense, the portion of any such
Proceeding that relates to Taxes for which such Party is or may be liable
pursuant to this Agreement; PROVIDED, HOWEVER, that such Party shall consult
with the other Party with respect to any issue that may affect the other Party
(or such Subsidiary). The Party in control of such Proceeding or any part
thereof shall not enter into any final settlement or closing agreement that may
adversely affect the other Party (or such Subsidiary) without the consent of
such other Party, which consent may not unreasonably be withheld. Where consent
to any final settlement or closing agreement is withheld, the Party withholding
consent shall continue or initiate further proceedings, at its own expense, and
the liability of the Party in control of such Proceeding shall not exceed the
liability that would have resulted from the proposed closing agreement or final
settlement (including interest, additions to Tax and penalties which have
accrued at that time).

SECTION 6.2. COOPERATION.

     IMPCO and Quantum shall cooperate with each other and any Governmental
Authority regarding all Tax matters, including, but not limited to, the filing
of any Tax Returns or claims for refund and the conduct of any audit or other
proceeding, and each shall execute and deliver such powers of attorney and other
documents and make available such information, personnel and documents as are
necessary to carry out the intent of this Agreement. To the extent such
cooperation involves the services of officers, directors, employees, or agents
of a Party, such

                                       13

<PAGE>

services shall be made available in accordance with the principles set forth in
Section 2.10 of the Distribution Agreement. Each Party agrees to notify the
other Party of any audit adjustment that does not result in Tax liability but
can reasonably be expected to affect Tax Returns of the other Party or any of
its Subsidiaries. Notwithstanding any other provision of this Agreement, if a
Party (the "Nonperforming Party") fails to give its full cooperation and use its
best efforts in the conduct of an audit or other proceeding as provided by this
Section 6.2, and such failure results in the imposition of additional Taxes for
the period or periods involved in the audit or other proceeding, the
Nonperforming Party shall be liable in full for such additional Taxes.

SECTION 6.3. RETENTION OF RECORDS; ACCESS.

     Beginning on the Distribution Date, IMPCO and Quantum shall, and shall
cause each of their Controlled Entities to:

     (a) retain adequate records, documents, accounting data and other
information (including computer data) necessary for the preparation and filing
of all Tax Returns required to be filed by any member of the Pre-Distribution
IMPCO Group or any combination of such members and for any audits and litigation
relating to such Tax Returns or to any Taxes payable by any member of the
Pre-Distribution IMPCO Group or any combination of such members; and

     (b) give to the other Party reasonable access to such records, documents,
accounting data and other information (including computer data) and to its
personnel and premises for the purpose of the review or audit of such reports or
returns to the extent relevant to an obligation or liability of a Party under
this Agreement and in accordance with the provisions of Article IV of the
Distribution Agreement.

The obligations set forth in Sections 6.3(a) and 6.3(b) hereof shall continue
until the final conclusion of any audit or litigation to which the records and
information relate or until expiration of all applicable statutes of
limitations, whichever is longer.

SECTION 6.4. DISPUTE RESOLUTION.

     Any dispute or claim arising out of, in connection with, or in relation to
the interpretation, performance, nonperformance, validity or breach of this
Agreement or otherwise arising out of, or in any way related to this Agreement,
shall be resolved in the manner set forth in Article VI of the Distribution
Agreement.

SECTION 6.5. CONFIDENTIALITY; OWNERSHIP OF INFORMATION; PRIVILEGED INFORMATION.

     The provisions of Article VI of the Distribution Agreement relating to
confidentiality of information, ownership of information, privileged information
and related matters shall apply with equal force to any records and information
prepared and/or shared by and between the Parties in carrying out the intent of
this Agreement.

                                       14

<PAGE>

                                   ARTICLE VII
                                  MISCELLANEOUS

SECTION 7.1. COMPLETE AGREEMENT; CONSTRUCTION.

     This Agreement, including the Exhibits and Schedules, shall constitute the
entire agreement between the Parties with respect to the subject matter hereof
and shall supersede all previous negotiations, commitments and writings with
respect to such subject matter. In the event of any inconsistency between this
Agreement and any Schedule hereto, the Schedule shall prevail.

SECTION 7.2. COUNTERPARTS.

     This Agreement may be executed in one or more counterparts, all of which
shall be considered one and the same agreement, and shall become effective when
one or more such counterparts have been signed by each of the Parties and
delivered to the other Party.

SECTION 7.3. SURVIVAL OF AGREEMENTS.

     Except as otherwise provided by this Agreement, all covenants and
agreements of the Parties contained in this Agreement shall survive the
Distribution Date.

SECTION 7.4. EXPENSES.

     Except as otherwise set forth in this Agreement, all costs and expenses in
connection with the preparation, execution, delivery and required implementation
of this Agreement shall be charged to and paid by the Parties in accordance with
Section 8.5 of the Distribution Agreement.

SECTION 7.5. NOTICES.

     All notices and other communications hereunder shall be in writing and hand
delivered or mailed by registered or certified mail (return receipt requested)
or sent by any means of electronic message transmission with delivery confirmed
(by voice or otherwise) to the Parties at the following addresses (or at such
other addresses for a Party as shall be specified by like notice) and will be
deemed given on the date on which such notice is received:

           (i)  if to IMPCO, to:

                IMPCO Technologies, Inc.
                16804 Gridley Place
                Cerritos, CA 90703
                Telecopy: (562) 924-8069
                Attn: Chief Financial Officer

<PAGE>

                  (ii)     if to Quantum, to:

                           Quantum Fuel Systems Technologies Worldwide, Inc.
                           17872 Cartwright Road
                           Irvine, CA 92614
                           Telecopy: (949) 474-3086
                           Attn:  Chief Executive Officer

SECTION 7.6.  WAIVERS.

     The failure of any Party to require strict performance by any other Party
of any provision in this Agreement will not waive or diminish that Party's right
to demand strict performance thereafter of that or any other provision hereof.

SECTION 7.7.  AMENDMENTS.

     Subject to the terms of Section 7.9 hereof, this Agreement may not be
modified or amended except by an agreement in writing signed by each of the
Parties hereto.

SECTION 7.8.  ASSIGNMENT.

     This Agreement shall not be assignable, in whole or in part, directly or
indirectly, by any Party hereto without the prior written consent of the other
Party hereto, and any attempt to assign any rights or obligations arising under
this Agreement without such consent shall be void.

SECTION 7.9.  SUCCESSORS AND ASSIGNS.

     The provisions to this Agreement shall be binding upon, inure to the
benefit of and be enforceable by the Parties and their respective successors and
permitted assigns.

SECTION 7.10. TERMINATION.

     This Agreement may be terminated at any time prior to the Effective Date by
and in the sole discretion of IMPCO as provided in Section 8.11 of the
Distribution Agreement. In the event of such termination, neither Party shall
have any liability of any kind to the Party or any other person. After the
Distribution, this Agreement may not be terminated except by an agreement in
writing signed by each of the Parties hereto.

SECTION 7.11. CONTROLLED ENTITIES.

     Each of the Parties hereto shall cause to be performed, and hereby
guarantees the performance of, all actions, agreements and obligations set forth
herein to be performed by any Controlled Entity of such Party or by any entity
that is contemplated to be a Controlled Entity of such Party on and after the
Distribution Date.

                                       16

<PAGE>

SECTION 7.12. THIRD PARTY BENEFICIARIES.

     This Agreement is solely for the benefit of the Parties hereto and their
respective Subsidiaries and should not be deemed to confer upon third parties
any remedy, claim, liability, reimbursement, claim of action or other right in
excess of those existing without reference to this Agreement.

SECTION 7.13. TITLE AND HEADINGS.

     Titles and headings to sections herein are inserted for the convenience of
reference only and are not intended to be a part of or to affect the meaning or
interpretation of this Agreement.

SECTION 7.14. EXHIBITS AND SCHEDULES.

The Exhibits and Schedules shall be construed with and as an integral part of
this Agreement to the same extent as if the same had been set forth verbatim
herein.

SECTION 7.15. GOVERNING LAW.

     THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF CALIFORNIA APPLICABLE TO CONTRACTS MADE AND TO BE PERFORMED
IN THE STATE OF CALIFORNIA.

SECTION 7.16. CONSENT TO JURISDICTION.

Without limiting the provisions of Section 6.4 hereof, each of the parties
irrevocably submits to the exclusive jurisdiction of (a) the Superior Court of
the State of California, Los Angeles County, and (b) the United States District
Court for the Central District of California, for the purposes of any suit,
action or other proceeding arising out of this Agreement or any transaction
contemplated hereby. Each of the parties agrees to commence any action, suit or
proceeding relating hereto either in the United States District Court for the
Central District of California or if such suit, action or other proceeding may
not be brought in such court for jurisdictional reasons, in the Superior Court
of the State of California, Los Angeles County. Each of the parties further
agrees that service of any process, summons, notice or document by U.S.
registered mail to such party's respective address set forth above shall be
effective service of process for any action, suit or proceeding in California
with respect to any matters to which it has submitted to jurisdiction in this
Section 7.16. Each of the parties irrevocably and unconditionally waives any
objection to the laying of venue of any action, suit or proceeding arising out
of this Agreement or the transactions contemplated hereby in (i) Superior Court
of the State of California, Los Angeles County, or (ii) the United States
District Court for the Central District of California, and hereby further
irrevocably and unconditionally waives and agrees not to plead or claim in any
such court that any such action, suit or proceeding brought in any such court
has been brought in an inconvenient forum.

                                       17

<PAGE>

SECTION 7.17.  SEVERABILITY.

         In the event any one or more of the provisions contained in this
Agreement should be held invalid, illegal or unenforceable in any respect, the
validity, legality and enforceability of the remaining provisions contained
herein and therein shall not in any way be affected or impaired thereby. The
Parties shall endeavor in good-faith negotiations to replace the invalid,
illegal or unenforceable provisions with valid provisions, the economic effect
of which comes as close as possible to that of the invalid, illegal or
unenforceable provisions.

IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed
as of the day and year first above written.

                                         IMPCO TECHNOLOGIES, INC.,
                                         a Delaware Corporation

                                         By:____________________________________
                                         Name:__________________________________
                                         Title:_________________________________

                                         QUANTUM FUEL SYSTEMS
                                         TECHNOLOGIES WORLDWIDE, INC.,
                                         a Delaware Corporation

                                         By:____________________________________
                                         Name:__________________________________
                                         Title:_________________________________

                                       18

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