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                                                                     EXHIBIT 4.1

                                                                  CONFORMED COPY

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                            ALLIANT TECHSYSTEMS INC.

                    8 1/2% Senior Subordinated Notes due 2011

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

                                    INDENTURE

                            Dated as of May 14, 2001

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

                           BNY MIDWEST TRUST COMPANY,

                                   as Trustee

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                                TABLE OF CONTENTS

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                                    ARTICLE 1

                   DEFINITIONS AND INCORPORATION BY REFERENCE
                   ------------------------------------------
<S>              <C>                                                         <C>
SECTION 1.01.    Definitions................................................    1
SECTION 1.02.    Other Definitions..........................................   20
SECTION 1.03.    Incorporation by Reference of Trust Indenture Act..........   21
SECTION 1.04.    Rules of Construction......................................   21

                                    ARTICLE 2

                                 THE SECURITIES
                                 --------------

SECTION 2.01.    Amount of Securities; Issuable in Series...................   22
SECTION 2.02.    Form and Dating............................................   23
SECTION 2.03.    Execution and Authentication...............................   23
SECTION 2.04.    Registrar and Paying Agent.................................   23
SECTION 2.05.    Paying Agent To Hold Money in Trust........................   24
SECTION 2.06.    Holder Lists...............................................   24
SECTION 2.07.    Transfer and Exchange......................................   24
SECTION 2.08.    Replacement Securities.....................................   25
SECTION 2.09.    Outstanding Securities.....................................   26
SECTION 2.10.    Temporary Securities.......................................   26
SECTION 2.11.    Cancelation................................................   26
SECTION 2.12.    Defaulted Interest.........................................   26
SECTION 2.13.    CUSIP and ISIN Numbers.....................................   27

                                    ARTICLE 3

                                   REDEMPTION
                                   ----------

SECTION 3.01.    Notices to Trustee.........................................   27
SECTION 3.02.    Selection of Securities To Be Redeemed.....................   27
SECTION 3.03.    Notice of Redemption.......................................   27
SECTION 3.04.    Effect of Notice of Redemption.............................   28
SECTION 3.05.    Deposit of Redemption Price................................   28
SECTION 3.06.    Securities Redeemed in Part................................   29

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                                    ARTICLE 4

                                    COVENANTS
                                    ---------
<S>              <C>                                                         <C>
SECTION 4.01.    Payment of Securities......................................   29
SECTION 4.02.    SEC Reports................................................   29
SECTION 4.03.    Limitation of Indebtedness.................................   29
SECTION 4.04.    Limitation on Restricted Payments..........................   32
SECTION 4.05.    Limitation on Restrictions on Distributions from
                    Restricted Subsidiaries.................................   35
SECTION 4.06.    Limitation on Sales of Assets and Subsidiary Stock.........   36
SECTION 4.07.    Limitation on Transactions with Affiliates.................   39
SECTION 4.08.    Change of Control..........................................   39
SECTION 4.09.    Compliance Certificate.....................................   41
SECTION 4.10.    Further Instruments and Acts...............................   41
SECTION 4.11.    Future Subsidiary Guarantors...............................   41
SECTION 4.12.    Limitation on Lines of Business............................   42
SECTION 4.13.    Limitation on the Sale or Issuance of Capital Stock of
                 Restricted Subsidiaries....................................   42

                                    ARTICLE 5

                                SUCCESSOR COMPANY
                                -----------------

SECTION 5.01.    When Company May Merge or Transfer Assets..................   42

                                    ARTICLE 6

                              DEFAULTS AND REMEDIES
                              ---------------------

SECTION 6.01.    Events of Default..........................................   44
SECTION 6.02.    Acceleration...............................................   46
SECTION 6.03.    Other Remedies.............................................   46
SECTION 6.04.    Waiver of Past Defaults....................................   46
SECTION 6.05.    Control by Majority........................................   46
SECTION 6.06.    Limitation on Suits........................................   47
SECTION 6.07.    Rights of Holders to Receive Payment.......................   47
SECTION 6.08.    Collection Suit by Trustee.................................   47

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SECTION 6.09.    Trustee May File Proofs of Claim...........................   47
SECTION 6.10.    Priorities.................................................   48
SECTION 6.11.    Undertaking for Costs......................................   48
SECTION 6.12.    Waiver of Stay or Extension Laws...........................   48

                                    ARTICLE 7

                                     TRUSTEE
                                     -------

SECTION 7.01.    Duties of Trustee..........................................   48
SECTION 7.02.    Rights of Trustee..........................................   50
SECTION 7.03.    Individual Rights of Trustee...............................   50
SECTION 7.04.    Trustee's Disclaimer.......................................   51
SECTION 7.05.    Notice of Defaults.........................................   51
SECTION 7.06.    Reports by Trustee to Holders..............................   51
SECTION 7.07.    Compensation and Indemnity.................................   51
SECTION 7.08.    Replacement of Trustee.....................................   52
SECTION 7.09.    Successor Trustee by Merger................................   53
SECTION 7.10.    Eligibility; Disqualification..............................   53
SECTION 7.11.    Preferential Collection of Claims Against Company..........   53

                                    ARTICLE 8

                       DISCHARGE OF INDENTURE, DEFEASANCE
                       ----------------------------------

SECTION 8.01.    Discharge of Liability on Securities; Defeasance...........   53
SECTION 8.02.    Conditions to Defeasance...................................   55
SECTION 8.03.    Application of Trust Money.................................   56
SECTION 8.04.    Repayment to Company.......................................   56
SECTION 8.05.    Indemnity for Government Obligations.......................   56
SECTION 8.06.    Reinstatement..............................................   56

                                    ARTICLE 9

                                   AMENDMENTS
                                   ----------

SECTION 9.01.    Without Consent of Holders.................................   57
SECTION 9.02.    With Consent of Holders....................................   58

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SECTION 9.03.    Compliance with Trust Indenture Act........................   58
SECTION 9.04.    Revocation and Effect of Consents and Waivers..............   59
SECTION 9.05.    Notation on or Exchange of Securities......................   59
SECTION 9.06.    Trustee to Sign Amendments.................................   59
SECTION 9.07.    Payment for Consent........................................   59

                                   ARTICLE 10

                                  SUBORDINATION
                                  -------------

SECTION 10.01.   Agreement to Subordinate...................................   60
SECTION 10.02.   Liquidation, Dissolution, Bankruptcy.......................   60
SECTION 10.03.   Default on Senior Indebtedness.............................   60
SECTION 10.04.   Acceleration of Payment of Securities......................   61
SECTION 10.05.   When Distribution Must Be Paid Over........................   61
SECTION 10.06.   Subrogation................................................   62
SECTION 10.07.   Relative Rights............................................   62
SECTION 10.08.   Subrogation May Not Be Impaired by Company.................   62
SECTION 10.09.   Rights of Trustee and Paying Agent.........................   62
SECTION 10.10.   Distribution or Notice to Representative...................   62
SECTION 10.11.   Article 10 Not to Prevent Events of Default or Limit
                    Right to Accelerate.....................................   62
SECTION 10.12.   Trust Monies Not Subordinated..............................   63
SECTION 10.13.   Trustee Entitled to Rely...................................   63
SECTION 10.14.   Trustee to Effectuate Subordination........................   63
SECTION 10.15.   Trustee Not Fiduciary for Holders of Senior
                    Indebtedness............................................   63
SECTION 10.16.   Reliance by Holders of Senior Indebtedness on
                    Subordination Provisions................................   63

                                   ARTICLE 11

                              SUBSIDIARY GUARANTEES
                              ---------------------

SECTION 11.01.   Subsidiary Guarantees......................................   64
SECTION 11.02.   Limitation on Liability....................................   66
SECTION 11.03.   Successors and Assigns.....................................   67
SECTION 11.04.   No Waiver..................................................   67
SECTION 11.05.   Modification...............................................   67

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SECTION 11.06.   Execution of Supplemental Indenture for Future
                    Subsidiary Guarantors...................................   67
SECTION 11.07.   Non-impairment.............................................   68

                                   ARTICLE 12

                   SUBORDINATION OF THE SUBSIDIARY GUARANTEES
                   ------------------------------------------

SECTION 12.01.   Agreement to Subordinate...................................   68
SECTION 12.02.   Liquidation, Dissolution, Bankruptcy.......................   68
SECTION 12.03.   Default on Designated Senior Indebtedness of a
                    Subsidiary Guarantor....................................   68
SECTION 12.04.   Demand for Payment.........................................   69
SECTION 12.05.   When Distribution Must Be Paid Over........................   70
SECTION 12.06.   Subrogation................................................   70
SECTION 12.07.   Relative Rights............................................   70
SECTION 12.08.   Subordination May Not Be Impaired by a Subsidiary
                    Guarantor...............................................   70
SECTION 12.09.   Rights of Trustee and Paying Agent.........................   70
SECTION 12.10.   Distribution or Notice to Representative...................   71
SECTION 12.11.   Article 12 Not to Prevent Events of Default or Limit
                    Right To Accelerate.....................................   71
SECTION 12.12.   Trustee Entitled to Rely...................................   71
SECTION 12.13.   Trustee to Effectuate Subordination........................   71
SECTION 12.14.   Trustee Not Fiduciary for Holders of Senior Indebtedness
                    of a Subsidiary Guarantor...............................   72
SECTION 12.15.   Reliance by Holders of Senior Indebtedness of a
                     Subsidiary Guarantor on Subordination Provisions.......   72
SECTION 12.16.   Defeasance.................................................   72

                                   ARTICLE 13

                                  MISCELLANEOUS
                                  -------------

SECTION 13.01.   Trust Indenture Act Controls...............................   72
SECTION 13.02.   Notices....................................................   72
SECTION 13.03.   Communication by Holders with Other Holders................   73
SECTION 13.04.   Certificate and Opinion as to Conditions Precedent.........   73
SECTION 13.05.   Statements Required in Certificate or Opinion..............   73

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SECTION 13.06.   When Securities Disregarded................................   74
SECTION 13.07.   Rules by Trustee, Paying Agent and Registrar...............   74
SECTION 13.08.   Legal Holidays.............................................   74
SECTION 13.09.   GOVERNING LAW..............................................   74
SECTION 13.10.   No Recourse Against Others.................................   74
SECTION 13.11.   Successors.................................................   74
SECTION 13.12.   Multiple Originals.........................................   74
SECTION 13.13.   Table of Contents; Headings................................   75
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Appendix A        -   Provisions Relating to Original Securities, Additional
                      Securities, Private Exchange Securities and Exchange
                      Securities
Exhibit A         -   Form of Initial Security
Exhibit B         -   Form of Exchange Security
Exhibit C         -   Form of Supplemental Indenture
Exhibit D         -   Form of Transferee Letter of Representation||

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                                    INDENTURE dated as of May 14, 2001, among
                           ALLIANT TECHSYSTEMS INC., a Delaware corporation (the
                           "Company"), each entity listed on Schedule I hereto
                           (collectively, the "Subsidiary Guarantors") and BNY
                           MIDWEST TRUST COMPANY, an Illinois banking
                           corporation, as trustee (the "Trustee").

         Each party agrees as follows for the benefit of the other parties and
for the equal and ratable benefit of the Holders of (a) the Company's 8 1/2%
Senior Subordinated Notes due 2011 issued on the date hereof (the "Original
Securities"), (b) any Additional Securities (as defined herein) that may be
issued on any Issue Date (all such Securities in clauses (a) and (b) being
referred to collectively as the "Initial Securities"), (c) if and when issued as
provided in a Registration Agreement (as defined in Appendix A hereto (the
"Appendix")), the Company's 8 1/2% Senior Subordinated Notes due 2011 issued in
a Registered Exchange Offer in exchange for any Initial Securities (the
"Exchange Securities") and (d) if and when issued as provided in the
Registration Agreement, the Private Exchange Securities (together with the
Initial Securities and any Exchange Securities issued hereunder, the
"Securities") issued in a Private Exchange. Except as otherwise provided herein,
the Securities will be limited to $600,000,000 in aggregate principal amount
outstanding, of which $400,000,000 in aggregate principal amount will be
initially issued on the date hereof. Subject to the conditions and in compliance
with the covenants set forth herein, the Company may issue up to $200,000,000
aggregate principal amount of Additional Securities.

                                    ARTICLE 1

                   DEFINITIONS AND INCORPORATION BY REFERENCE

         SECTION 1.01. DEFINITIONS.

         "Additional Assets" means (a) any property or assets (other than
Indebtedness and Capital Stock) to be used by the Company or a Restricted
Subsidiary in a Permitted Business; (b) the Capital Stock of a Person that
becomes a Restricted Subsidiary as a result of the acquisition of such Capital
Stock by the Company or another Restricted Subsidiary; or (c) Capital Stock
constituting a minority interest in any Person that at such time is a Restricted
Subsidiary; PROVIDED, HOWEVER, that any such Restricted Subsidiary described in
clauses (b) or (c) above is primarily engaged in a Permitted Business.

         "Affiliate" of any specified Person means any other Person, directly
or indirectly, controlling or controlled by or under direct or indirect
common control with such specified Person. For the purposes of this
definition, "control" when used with respect to any Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing. For purposes of Sections 4.06 and 4.07 only, "Affiliate" shall
also mean any beneficial owner of shares representing 10% or more of the
total voting power of the Voting Stock (on a fully diluted basis) of the
Company or of rights or warrants to purchase such Voting Stock (whether or
not currently exercisable) and any Person who would be an Affiliate of any
such beneficial owner pursuant to the first sentence hereof.
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         "Asset Disposition" means any sale, lease, transfer or other
disposition (or series of related sales, leases, transfers or dispositions) by
the Company or any Restricted Subsidiary, including any disposition by means of
a merger, consolidation or similar transaction (each referred to for the
purposes of this definition as a "disposition"), of (a) any shares of Capital
Stock of a Restricted Subsidiary (other than directors' qualifying shares or
shares required by applicable law to be held by a Person other than the Company
or a Restricted Subsidiary), (b) all or substantially all the assets of any
division or line of business of the Company or any Restricted Subsidiary or (c)
any other assets of the Company or any Restricted Subsidiary outside of the
ordinary course of business of the Company or such Restricted Subsidiary (other
than (i) any disposition by a Restricted Subsidiary to the Company or by the
Company or a Restricted Subsidiary to a Restricted Subsidiary that is a
Subsidiary Guarantor, (ii) for purposes of Section 4.06 only, a disposition
subject to (and permitted by) Section 4.04, (iii) a disposition of assets with a
Fair Market Value of less than $250,000, (iv) a disposition or dispositions in
any fiscal year of the Company having in the aggregate a Fair Market Value of
less than $4,000,000, (v) any disposition of surplus, discontinued or worn-out
equipment or other immaterial assets no longer used in the on-going business of
the Company and its Restricted Subsidiaries, (vi) (A) any disposition of cash or
Temporary Cash Investments or readily marketable securities or (B) any
disposition resulting from the liquidation or dissolution of any Restricted
Subsidiary to the extent made ratably in accordance with the relative equity
interests held by, or capital accounts of, the owners thereof, (vii) any sale,
transfer or other disposition to the Company or any Subsidiary Guarantor or any
Person that is, or immediately after giving effect to the foregoing will be, a
Restricted Subsidiary that is a Subsidiary Guarantor, (viii) sales, transfer and
other dispositions of equity interests in Restricted Subsidiaries which are
solely engaged in the business of providing insurance or self-insurance coverage
for the businesses of the Company and the Restricted Subsidiaries, or the
issuance of equity interests in such Restricted Subsidiaries to non-Affiliated
third Persons, with an aggregate Fair Market Value not to exceed in the
aggregate $10,000,000 for all such Restricted Subsidiaries, (ix) sales,
transfers and dispositions to the Radford Joint Venture of assets with an
aggregate Fair Market Value in any fiscal year not to exceed $10,000,000, (x)
any transaction that constitutes a Permitted Investment under paragraphs (j),
(k) and (l) of the definition of Permitted Investment, and (xi) sales, transfers
or other dispositions of assets pursuant to the Support Agreement in an
aggregate amount during any fiscal year not to exceed $2,000,000).

         "Attributable Debt" in respect of a Sale/Leaseback Transaction means,
as at the time of determination, the present value (discounted at the interest
rate borne by the Securities, compounded annually) of the total obligations of
the lessee for rental payments during the remaining term of the lease included
in such Sale/Leaseback Transaction (including any period for which such lease
has been extended).

         "Average Life" means, as of the date of determination, with respect to
any Indebtedness or Preferred Stock, the quotient obtained by dividing (a) the
sum of the products of the numbers of years from the date of determination to
the dates of each successive scheduled principal payment of such Indebtedness or
scheduled redemption or similar payment with respect to such Preferred Stock
multiplied by the amount of such payment by (b) the sum of all such payments.

         "Bank Indebtedness" means any and all amounts payable under or in
respect of the Credit Agreement and any Refinancing Indebtedness with respect
thereto, as amended from time to time, including principal, premium (if any),
interest (including interest accruing on or after the filing of any petition in
bankruptcy or for reorganization relating to the Company whether or not a claim
for post-filing interest is allowed in such proceedings), fees, charges,
expenses,

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reimbursement obligations, guarantees and all other amounts payable thereunder
or in respect thereof. It is understood and agreed that Refinancing Indebtedness
in respect of the Credit Agreement may be Incurred from time to time after
termination of the Credit Agreement.

         "Board of Directors" means the Board of Directors of the Company or any
committee thereof duly authorized to act on behalf of the Board of Directors of
the Company.

         "Business Day" means each day which is not a Legal Holiday.

         "Capital Stock" of any Person means any and all shares, interests,
rights to purchase, warrants, options, participations or other equivalents of or
interests in (however designated) equity of such Person, including any Preferred
Stock, but excluding any debt securities convertible into such equity.

         "Capitalized Lease Obligations" means an obligation that is required to
be classified and accounted for as a capitalized lease for financial reporting
purposes in accordance with GAAP, and the amount of Indebtedness represented by
such obligation shall be the capitalized amount of such obligation determined in
accordance with GAAP; and the Stated Maturity thereof shall be the date of the
last payment of rent or any other amount due under such lease prior to the first
date upon which such lease may be prepaid by the lessee without payment of a
penalty.

         "Change of Control" means the occurrence of any of the following
events:

         (a) (i) any "person" (as such term is used in Sections 13(d) and 14(d)
     of the Exchange Act), is or becomes the "beneficial owner" (as defined in
     Rules 13d-3 and 13d-5 under the Exchange Act, except that for purposes of
     this clause (a) such person shall be deemed to have "beneficial ownership"
     of all shares that any such person has the right to acquire), directly or
     indirectly, of more than 50% of the total voting power of the Voting Stock
     of the Company and (for the purposes of this clause (a), a person shall be
     deemed to beneficially own any Voting Stock of an entity held by any other
     entity (the "parent entity"), if such other person is the beneficial owner
     (as defined in this clause (a)), directly or indirectly, of more than 50%
     of the voting power of the Voting Stock of the parent entity);

         (b) during any period of two consecutive years, individuals who at the
     beginning of such period constituted the board of directors of the Company
     (together with any new directors whose election by such board of directors
     of the Company or whose nomination for election by the stockholders of the
     Company was approved by a vote of a majority of the directors of the
     Company then still in office who were either directors at the beginning of
     such period or whose election or nomination for election was previously so
     approved) cease for any reason to constitute a majority of the board of
     directors of the Company then in office;

         (c) the adoption of a plan relating to the liquidation or dissolution
     of the Company; or

         (d) the merger or consolidation of the Company with or into another
     Person or the merger of another Person with or into the Company, or the
     sale of all or substantially all the assets of the Company to another
     Person, and, in the case of any such merger, consolidation or sale, the
     securities of the Company that are outstanding

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     immediately prior to such transaction and which represent 100% of the
     aggregate voting power of the Voting Stock of the Company are changed into
     or exchanged for cash, securities or property, unless pursuant to such
     transaction such securities are changed into or exchanged for, in addition
     to any other consideration, securities of the surviving Person or
     transferee that represent, immediately after such transaction, at least a
     majority of the aggregate voting power of the Voting Stock of the surviving
     Person or transferee.

         "Closing Date" means the date of this Indenture.

         "Code" means the Internal Revenue Code of 1986, as amended.

         "Commodity Agreement" means with respect to any Person any contract
designed to protect the Company or any Restricted Subsidiary against
fluctuations in commodity prices.

         "Company" means the party named as such in this Indenture until a
successor replaces it and, thereafter, means the successor and, for purposes of
any provision contained herein and required by the TIA, each other obligor on
the indenture securities.

         "Consolidated Coverage Ratio" as of any date of determination means the
ratio of (a) the aggregate amount of Consolidated EBITDA for the period of the
most recent four consecutive fiscal quarters for which financial statements are
then publicly available to (b) Consolidated Interest Expense for such four
fiscal quarters; PROVIDED, HOWEVER, that (i) if the Company or any Restricted
Subsidiary has Incurred any Indebtedness since the beginning of such period that
remains outstanding on such date of determination, other than Indebtedness
Incurred under any revolving credit facility or similar arrangement to finance
seasonal fluctuations in working capital needs, or if the transaction giving
rise to the need to calculate the Consolidated Coverage Ratio is an Incurrence
of Indebtedness, Consolidated EBITDA and Consolidated Interest Expense for such
period shall be calculated after giving effect on a pro forma basis to such
Indebtedness as if such Indebtedness had been Incurred on the first day of such
period and the discharge of any other Indebtedness repaid, repurchased, defeased
or otherwise discharged with the proceeds of such new Indebtedness as if such
discharge had occurred on the first day of such period; PROVIDED, HOWEVER, that
with respect to Indebtedness Incurred pursuant to a revolving credit or similar
arrangement referred to above, calculations shall be made using the average
daily balance of such Indebtedness for such period unless such Indebtedness is
projected, in the reasonable judgment of senior management of the Company, to
remain outstanding for a period in excess of 12 months from the date of
Incurrence of such Indebtedness, in which case such calculations will be made on
a pro forma basis as if such Indebtedness had been Incurred on the first day of
such period, (ii) if the Company or any Restricted Subsidiary has repaid,
repurchased, defeased or otherwise discharged any Indebtedness since the
beginning of such period or if any Indebtedness is to be repaid, repurchased,
defeased or otherwise discharged (in each case other than Indebtedness Incurred
under any revolving credit facility or similar arrangement to finance seasonal
fluctuations in working capital needs, unless such Indebtedness has been
permanently repaid and the related commitment has been terminated and not been
replaced) on the date of the transaction giving rise to the need to calculate
the Consolidated Coverage Ratio, Consolidated EBITDA and Consolidated Interest
Expense for such period shall be calculated on a pro forma basis as if such
discharge had occurred on the first day of such period and as if the Company or
such Restricted Subsidiary has not earned the interest income actually earned
during such period in respect of cash or Temporary Cash Investments used to
repay, repurchase, defease or

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otherwise discharge such Indebtedness, (iii) if since the beginning of such
period the Company or any Restricted Subsidiary shall have made any Asset
Disposition, the Consolidated EBITDA for such period shall be reduced by an
amount equal to the Consolidated EBITDA (if positive) directly attributable to
the assets that are the subject of such Asset Disposition for such period or
increased by an amount equal to the Consolidated EBITDA (if negative) directly
attributable thereto for such period and Consolidated Interest Expense for such
period shall be reduced by an amount equal to the Consolidated Interest Expense
directly attributable to any Indebtedness of the Company or any Restricted
Subsidiary repaid, repurchased, defeased or otherwise discharged with respect to
the Company and its continuing Restricted Subsidiaries in connection with such
Asset Disposition for such period (or, if the Capital Stock of any Restricted
Subsidiary is sold, the Consolidated Interest Expense for such period directly
attributable to the Indebtedness of such Restricted Subsidiary to the extent the
Company and its continuing Restricted Subsidiaries are no longer liable for such
Indebtedness after such sale), (iv) if since the beginning of such period the
Company or any Restricted Subsidiary (by merger or otherwise) shall have made an
Investment in any Restricted Subsidiary (or any Person that becomes a Restricted
Subsidiary) or an acquisition of assets, including any acquisition of assets
occurring in connection with a transaction causing a calculation to be made
hereunder, which constitutes all or substantially all of an operating unit of a
business, Consolidated EBITDA and Consolidated Interest Expense for such period
shall be calculated after giving pro forma effect thereto (including the
Incurrence of any Indebtedness) as if such Investment or acquisition occurred on
the first day of such period and (v) if since the beginning of such period any
Person (that subsequently became a Restricted Subsidiary or was merged with or
into the Company or any Restricted Subsidiary since the beginning of such
period) shall have made any Asset Disposition or any Investment or acquisition
of assets that would have required an adjustment pursuant to clause (iii) or
(iv) above if made by the Company or a Restricted Subsidiary during such period,
Consolidated EBITDA and Consolidated Interest Expense for such period shall be
calculated after giving pro forma effect thereto as if such Asset Disposition,
Investment or acquisition of assets occurred on the first day of such period.
For purposes of this definition, whenever pro forma effect is to be given to an
acquisition of assets or other Investment, the amount of income or earnings
relating thereto and the amount of Consolidated Interest Expense associated with
any Indebtedness Incurred in connection therewith, the pro forma calculations
shall be determined in good faith by a responsible financial or accounting
Officer of the Company and shall comply with the requirements of Rule 11-02 of
Regulation S-X promulgated by the SEC. If any Indebtedness bears a floating rate
of interest and is being given pro forma effect, the interest expense on such
Indebtedness shall be calculated as if the rate in effect on the date of
determination had been the applicable rate for the entire period (taking into
account any Interest Rate Agreement applicable to such Indebtedness if such
Interest Rate Agreement has a remaining term as at the date of determination in
excess of 12 months).

         "Consolidated Current Liabilities" as of any date of determination
means the aggregate amount of liabilities of the Company and its Restricted
Subsidiaries which may properly be classified as current liabilities (including
taxes accrued as estimated), on a consolidated basis, after eliminating: (a) all
intercompany items between the Company and any Restricted Subsidiary and (b) all
current maturities of long-term Indebtedness, all as determined in accordance
with GAAP consistently applied.

         "Consolidated EBITDA" for any period means the Consolidated Net Income
for such period, plus, without duplication, the following to the extent deducted
in calculating such Consolidated Net Income: (a) income tax expense of the
Company and its Consolidated Restricted Subsidiaries accrued in accordance with
GAAP, (b) Consolidated Interest Expense,

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(c) depreciation expense of the Company and its Consolidated Restricted
Subsidiaries, (d) amortization expense of the Company and its Consolidated
Restricted Subsidiaries (excluding amortization expense attributable to a
prepaid cash item that was paid in a prior period) and (e) all other noncash
charges of the Company and its Consolidated Restricted Subsidiaries (excluding
any such noncash charge to the extent that it represents an accrual of or
reserve for cash expenditures in any future period) less all nonrecurring
noncash gains of the Company and its Restricted Subsidiaries, in each case for
such period. Notwithstanding the foregoing, the provision for taxes based on the
income or profits of, and the depreciation and amortization and noncash charges
of, a Restricted Subsidiary of the Company shall be added to Consolidated Net
Income to compute Consolidated EBITDA only to the extent (and in the same
proportion) that the net income of such Restricted Subsidiary was included in
calculating Consolidated Net Income and only if a corresponding amount would be
permitted at the date of determination to be dividended to the Company by such
Restricted Subsidiary without prior approval (that has not been obtained),
pursuant to the terms of its charter and all agreements, instruments, judgments,
decrees, orders, statutes, rules and governmental regulations applicable to such
Restricted Subsidiary or its stockholders.

         "Consolidated Interest Expense" means, for any period, the total
interest expense of the Company and its Consolidated Restricted Subsidiaries,
plus, to the extent Incurred by the Company and its Consolidated Restricted
Subsidiaries in such period but not included in such interest expense, without
duplication (a) interest expense attributable to Capitalized Lease Obligations
and the interest expense attributable to leases constituting part of a
Sale/Leaseback Transaction, (b) amortization of debt discount and debt issuance
costs, (c) capitalized interest, (d) noncash interest expense, (e) commissions,
discounts and other fees and charges attributable to letters of credit and
bankers' acceptance financing, (f) interest accruing on any Indebtedness of any
other Person to the extent such Indebtedness is Guaranteed by the Company or any
Restricted Subsidiary; (g) net costs associated with Hedging Obligations
(including amortization of fees), (h) dividends in respect of all Disqualified
Stock of the Company and all Preferred Stock of any of the Subsidiaries of the
Company, to the extent held by Persons other than the Company or a Wholly Owned
Subsidiary, (i) interest Incurred in connection with investments in discontinued
operations, and (j) the cash contributions to any employee stock ownership plan
or similar trust to the extent such contributions are used by such plan or trust
to pay interest or fees to any Person (other than the Company) in connection
with Indebtedness Incurred by such plan or trust.

         "Consolidated Net Income" means, for any period, the net income of the
Company and its Consolidated Subsidiaries for such period; PROVIDED, HOWEVER,
that there shall not be included in such Consolidated Net Income:

         (a) any net income of any Person (other than the Company) if such
     Person is not a Restricted Subsidiary, except that (i) subject to the
     limitations contained in clause (d) below, the Company's equity in the net
     income of any such Person for such period shall be included in such
     Consolidated Net Income up to the aggregate amount of cash actually
     distributed by such Person during such period to the Company or a
     Restricted Subsidiary as a dividend or other distribution (subject, in the
     case of a dividend or other distribution made to a Restricted Subsidiary,
     to the limitations contained in clause (c) below) and (ii) the Company's
     equity in a net loss of any such Person for such period shall be included
     in determining such Consolidated Net Income;

<Page>

                                                                               7

         (b) any net income (or loss) of any Person acquired by the Company or a
     Subsidiary of the Company in a pooling of interests transaction for any
     period prior to the date of such acquisition;

         (c) any net income (or loss) of any Restricted Subsidiary if such
     Restricted Subsidiary is subject to restrictions, directly or indirectly,
     on the payment of dividends or the making of distributions by such
     Restricted Subsidiary, directly or indirectly, to the Company, except that
     (i) subject to the limitations contained in clause (d) below, the Company's
     equity in the net income of any such Restricted Subsidiary for such period
     shall be included in such Consolidated Net Income up to the aggregate
     amount of cash actually distributed by such Restricted Subsidiary during
     such period to the Company or another Restricted Subsidiary as a dividend
     or other distribution (subject, in the case of a dividend or other
     distribution made to another Restricted Subsidiary, to the limitation
     contained in this clause) and (ii) the Company's equity in a net loss of
     any such Restricted Subsidiary for such period shall be included in
     determining such Consolidated Net Income;

         (d) any after-tax gain (but not loss) realized upon the sale or other
     disposition of any asset of the Company or its Consolidated Subsidiaries
     (including pursuant to any Sale/Leaseback Transaction) that is not sold or
     otherwise disposed of in the ordinary course of business and any after-tax
     gain (but not loss) realized upon the sale or other disposition of any
     Capital Stock of any Person;

         (e) any extraordinary after-tax gain or loss;

         (f) any nonrecurring, noncash charges relating to a restructuring
     program approved by the Board of Directors; and

         (g) the cumulative effect of a change in accounting principles.

Notwithstanding the foregoing, for the purposes of Section 4.04 only, there
shall be excluded from Consolidated Net Income any dividends, repayments of
loans or advances or other transfers of assets from Unrestricted Subsidiaries to
the Company or a Restricted Subsidiary to the extent such dividends, repayments
or transfers increase the amount of Restricted Payments permitted under such
Section pursuant to clause (a) (iv)(3)(D) thereof.

         "Consolidated Net Tangible Assets" as of any date of determination,
means the total amount of assets (less accumulated depreciation and
amortization, allowances for doubtful receivables, other applicable reserves and
other properly deductible items) which would appear on a consolidated balance
sheet of the Company and its Consolidated Restricted Subsidiaries, determined on
a Consolidated basis in accordance with GAAP, and after giving effect to
purchase accounting and after deducting therefrom Consolidated Current
Liabilities and, to the extent otherwise included, the amounts of: (a) minority
interests in consolidated Subsidiaries held by Persons other than the Company or
a Restricted Subsidiary; (b) excess of cost over fair value of assets of
businesses acquired, as determined in good faith by the Board of Directors; (c)
any revaluation or other write-up in book value of assets subsequent to the
Closing Date as a result of a change in the method of valuation in accordance
with GAAP consistently applied; (d) unamortized debt discount and expenses and
other unamortized deferred charges, goodwill, patents, trademarks, service
marks, trade names, copyrights, licenses, organization or developmental expenses
and other intangible items; (e) treasury stock; (f) cash set apart and held in a
sinking or other analogous fund established for the purpose of redemption or
other

<Page>
                                                                               8

retirement of Capital Stock to the extent such obligation is not reflected in
Consolidated Current Liabilities; and (g) Investments in, and assets of,
Unrestricted Subsidiaries.

         "Consolidated Net Worth" means the total of the amounts shown on the
balance sheet of the Company and its Restricted Subsidiaries, determined on a
Consolidated basis, as of the end of the most recent fiscal quarter of the
Company for which financial statements are publicly available prior to the
taking of any action for the purpose of which the determination is being made,
as (a) the par or stated value of all outstanding Capital Stock of the Company
plus (b) paid-in capital or capital surplus relating to such Capital Stock plus
(c) any retained earnings or earned surplus less (i) any accumulated deficit and
(ii) any amounts attributable to Disqualified Stock.

         "Consolidation" means the consolidation of the accounts of each of the
Restricted Subsidiaries with those of the Company in accordance with GAAP
consistently applied; PROVIDED, HOWEVER, that "Consolidation" shall not include
consolidation of the accounts of any Unrestricted Subsidiary, but the interest
of the Company or any Restricted Subsidiary in an Unrestricted Subsidiary shall
be accounted for as an investment. The term "Consolidated" has a correlative
meaning.

         "Credit Agreement" means the Amended and Restated Credit Agreement
dated as of April 20, 2001, as amended, restated, supplemented, waived,
replaced, whether or not upon termination, and whether with the original lenders
or otherwise, refinanced, restructured or otherwise modified from time to time,
among the Company, the Borrowing Subsidiaries party thereto, the lenders party
thereto and The Chase Manhattan Bank, as administrative agent, except to the
extent that any such amendment, restatement, supplement, waiver, replacement,
refinancing, restructuring or other modification thereto would be prohibited by
the terms of this Indenture, unless otherwise agreed to by the Holders of at
least a majority in aggregate principal amount of Securities at the time
outstanding.

         "Currency Agreement" means with respect to any Person any foreign
exchange contract, currency swap agreements or other similar agreement or
arrangement to which such Person is a party or of which it is a beneficiary.

         "Default" means any event which is, or after notice or passage of time
or both would be, an Event of Default.

         "Defense Joint Venture" means a joint venture proposed to be formed by
the Company and the Rheinmetall DeTec AG on substantially the terms described in
the Offering Memorandum under "Business--Potential Future Strategic Alliances--
Rheinmetall Joint Venture" until such time as the Company (1) has permanently
abandoned the proposed joint venture or (2) has not completed the proposed joint
venture within 18 months after the Closing Date.

         "Defense JV Subsidiaries" means the Subsidiaries of the Company,
proposed to be contributed to the Defense Joint Venture as described in the
Offering Memorandum under "Business--Potential Future Strategic
Alliances--Rheinmetall Joint Venture" until such time as the Company (1) has
permanently abandoned the proposed joint venture or (2) has not completed the
proposed joint venture within 18 months after the Closing Date.

         "Designated Noncash Consideration" means the Fair Market Value of
noncash consideration received by the Company or one of its Restricted
Subsidiaries in connection with

<Page>

                                                                               9

an Asset Disposition that is so designated as Designated Noncash Consideration
pursuant to an Officers' Certificate, setting forth the basis of such valuation.

         "Designated Senior Indebtedness" of the Company means (a) the Bank
Indebtedness and (b) any other Senior Indebtedness of the Company that, at the
date of determination, has an aggregate principal amount outstanding of, or
under which, at the date of determination, the holders thereof are committed to
lend up to, at least $25,000,000 and is specifically designated by the Company
in the instrument evidencing or governing such Senior Indebtedness as
"Designated Senior Indebtedness" for purposes of this Indenture. "Designated
Senior Indebtedness" of a Subsidiary Guarantor has a correlative meaning.

         "Disqualified Stock" means, with respect to any Person, any Capital
Stock which by its terms (or by the terms of any security into which it is
convertible or for which it is exchangeable or exercisable) or upon the
happening of any event: (a) matures or is mandatorily redeemable pursuant to a
sinking fund obligation or otherwise, (b) is convertible or exchangeable for
Indebtedness or Disqualified Stock, excluding Capital Stock convertible or
exchangeable solely at the option of the Company or a Restricted Subsidiary;
PROVIDED, HOWEVER, that any such conversion or exchange shall be deemed an
Incurrence of Indebtedness or Disqualified Stock, as applicable, or (c) is
redeemable at the option of the holder thereof, in whole or in part, in the case
of each of clauses (a), (b) and (c) on or prior to 91 days after the Stated
Maturity of the Securities; PROVIDED, HOWEVER, that any Capital Stock that would
not constitute Disqualified Stock but for provisions thereof giving holders
thereof the right to require such Person to repurchase or redeem such Capital
Stock upon the occurrence of an "asset sale" or "change of control" occurring
prior to 91 days after the Stated Maturity of the Securities shall not
constitute Disqualified Stock if the "asset sale" or "change of control"
provisions applicable to such Capital Stock are not more favorable to the
holders of such Capital Stock than the provisions of Sections 4.06 and 4.08.

         "Domestic Subsidiary" means any Restricted Subsidiary of the Company
other than a Foreign Subsidiary.

         "EQUITY INTERESTS" means shares of capital stock, partnership, joint
venture, member or limited liability or unlimited liability company interests,
beneficial interests in a trust or other equity ownership interests in a Person
of whatever nature.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended.

         "Fair Market Value" means, with respect to any asset or property, the
price which could be negotiated in an arm's-length, free market transaction, for
cash, between a willing seller and a willing and able buyer, neither of whom is
under undue pressure or compulsion to complete the transaction. The Fair Market
Value of property or assets other than cash which involves (a) an aggregate
amount in excess of $15,000,000, shall be set forth in a resolution approved by
at least a majority of the Board of Directors and (b) an aggregate amount in
excess of $35,000,000, shall have been determined in writing by a nationally
recognized appraisal or investment banking firm.

         "Foreign Subsidiary" means any Restricted Subsidiary of the Company
that is not organized under the laws of the United States of America or any
State thereof or the District of Columbia.

<Page>

                                                                              10

         "GAAP" means generally accepted accounting principles in the United
States of America as in effect as of the Closing Date, including those set forth
in (a) the opinions and pronouncements of the Accounting Principles Board of the
American Institute of Certified Public Accountants, (b) statements and
pronouncements of the Financial Accounting Standards Board, (c) such other
statements by such other entities as approved by a significant segment of the
accounting profession and (d) the rules and regulations of the SEC governing the
inclusion of financial statements (including pro forma financial statements) in
periodic reports required to be filed pursuant to Section 13 of the Exchange
Act, including opinions and pronouncements in staff accounting bulletins and
similar written statements from the accounting staff of the SEC. All ratios and
computations based on GAAP contained in this Indenture shall be computed in
conformity with GAAP.

         "Guarantee" means any obligation, contingent or otherwise, of any
Person directly or indirectly guaranteeing any Indebtedness or other obligation
of any other Person and any obligation, direct or indirect, contingent or
otherwise, of such Person (a) to purchase or pay (or advance or supply funds for
the purchase or payment of) such Indebtedness or other obligation of such other
Person (whether arising by virtue of partnership arrangements, or by agreement
to keep-well, to purchase assets, goods, securities or services, to take-or-pay,
or to maintain financial statement conditions or otherwise) or (b) entered into
for purposes of assuring in any other manner the obligee of such Indebtedness or
other obligation of the payment thereof or to protect such obligee against loss
in respect thereof (in whole or in part); PROVIDED, HOWEVER, that the term
"Guarantee" shall not include endorsements for collection or deposit in the
ordinary course of business. The term "Guarantee" used as a verb has a
corresponding meaning. The term "Guarantor" shall mean any Person Guaranteeing
any obligation.

         "Hedging Obligations" of any Person means the obligations of such
Person pursuant to any Interest Rate Agreement, Currency Agreement or Commodity
Agreement.

         "Holder" means the Person in whose name a Security is registered on the
Registrar's books.

         "Incur" means issue, assume, Guarantee, incur or otherwise become
liable for; PROVIDED, HOWEVER, that any Indebtedness or Capital Stock of a
Person existing at the time such Person becomes a Subsidiary (whether by merger,
consolidation, acquisition or otherwise) shall be deemed to be Incurred by such
Person at the time it becomes a Subsidiary. The term "Incurrence" when used as a
noun shall have a correlative meaning. The accretion of principal of a
non-interest bearing or other discount security shall not be deemed the
Incurrence of Indebtedness.

         "Indebtedness" means, with respect to any Person on any date of
determination, without duplication:

         (a) the principal of and premium (if any) in respect of indebtedness of
     such Person for borrowed money;

         (b) the principal of and premium (if any) in respect of obligations of
     such Person evidenced by bonds, debentures, notes or other similar
     instruments;

         (c) all obligations of such Person in respect of letters of credit or
     other similar instruments (including reimbursement obligations with respect
     thereto);

<Page>

                                                                              11

         (d) all obligations of such Person to pay the deferred and unpaid
     purchase price of property or services (except Trade Payables), which
     purchase price is due more than six months after the date of placing such
     property in service or taking delivery and title thereto or the completion
     of such services;

         (e) all Capitalized Lease Obligations and all Attributable Debt of such
     Person;

         (f) the amount of all obligations of such Person with respect to the
     redemption, repayment or other repurchase of any Disqualified Stock or,
     with respect to any Subsidiary of such Person, any Preferred Stock (but
     excluding, in each case, any accrued dividends);

         (g) all Indebtedness of other Persons secured by a Lien on any asset of
     such Person, whether or not such Indebtedness is assumed by such Person;
     PROVIDED, HOWEVER, that the amount of Indebtedness of such Person shall be
     the lesser of (i) the Fair Market Value of such asset at such date of
     determination and (ii) the amount of such Indebtedness of such other
     Persons;

         (h) Hedging Obligations of such Person; and

         (i) all obligations of the type referred to in clauses (a) through (h)
     of other Persons and all dividends of other Persons for the payment of
     which, in either case, such Person is responsible or liable, directly or
     indirectly, as obligor, guarantor or otherwise, including by means of any
     Guarantee.

The amount of Indebtedness of any Person at any date shall be the outstanding
balance at such date of all unconditional obligations as described above and the
maximum liability, upon the occurrence of the contingency giving rise to the
obligation, of any contingent obligations at such date.

         "Indenture" means this Indenture as amended or supplemented from time
to time.

         "Interest Rate Agreement" means with respect to any Person any interest
rate protection agreement, interest rate future agreement, interest rate option
agreement, interest rate swap agreement, interest rate cap agreement, interest
rate collar agreement, interest rate hedge agreement or other similar agreement
or arrangement to which such Person is party or of which it is a beneficiary.

         "Investment" by a specified Person in any other Person means any direct
or indirect advance, loan (other than advances to customers in the ordinary
course of business that are recorded as accounts receivable on the balance sheet
of the lender) or other extension of credit (including by way of Guarantee or
similar arrangement) or capital contribution to (by means of any transfer of
cash or other property to others or any payment for property or services for the
account or use of others), or any purchase or acquisition of Capital Stock,
Indebtedness or other similar instruments issued by such other Person. For
purposes of the definition of "Unrestricted Subsidiary" and Section 4.04, (a)
"Investment" shall include the portion (proportionate to the Company's equity
interest in such Subsidiary) of the Fair Market Value of the net assets of any
Subsidiary of the Company at the time that such Subsidiary is designated an
Unrestricted Subsidiary; PROVIDED, HOWEVER, that upon a redesignation of such
Subsidiary as a Restricted Subsidiary, the Company shall be deemed to continue
to have a

<Page>

                                                                              12

permanent "Investment" in an Unrestricted Subsidiary in an amount (if positive)
equal to (i) the Company's "Investment" in such Subsidiary at the time of such
redesignation less (ii) the portion (proportionate to the Company's equity
interest in such Subsidiary) of the Fair Market Value of the net assets of such
Subsidiary at the time of such redesignation; and (b) any property transferred
to or from an Unrestricted Subsidiary shall be valued at its Fair Market Value
at the time of such transfer.

         "Issue Date", with respect to any Initial Securities, means the date on
which such Initial Securities are originally issued.

         "Legal Holiday" means a Saturday, Sunday or other day on which banking
institutions are not required by law or regulation to be open in the State of
New York.

         "Lien" means any mortgage, pledge, security interest, encumbrance, lien
or charge of any kind (including any conditional sale or other title retention
agreement or lease in the nature thereof).

         "liquidated damages" means any liquidated damages payable under a
Registration Agreement.

         "Net Available Cash" from an Asset Disposition means cash payments
received (including any cash payments received by way of deferred payment of
principal pursuant to a note or installment receivable or otherwise and proceeds
from the sale or other disposition of any securities received as consideration,
but only as and when received, but excluding any other consideration received in
the form of assumption by the acquiring Person of Indebtedness or other
obligations relating to the properties or assets that are the subject of such
Asset Disposition or received in any other non-cash form) therefrom, in each
case net of (a) all legal, title and recording tax expenses, commissions and
other fees and expenses incurred, and all Federal, state, provincial, foreign
and local taxes required to be paid or accrued as a liability under GAAP, as a
consequence of such Asset Disposition, (b) all payments made on any Indebtedness
which is secured by any assets subject to such Asset Disposition, in accordance
with the terms of any Lien upon or other security agreement of any kind with
respect to such assets, or which must by its terms, or in order to obtain a
necessary consent to such Asset Disposition, or by applicable law be repaid out
of the proceeds from such Asset Disposition, (c) all distributions and other
payments required to be made to minority interest holders in Subsidiaries or
joint ventures as a result of such Asset Disposition, (d) payments of unassumed
liabilities relating to the assets sold at the time of, or within 60 days after,
the date of such sale to the extent required by any agreement or contract
relating to such liabilities and (e) appropriate amounts to be provided by the
seller as a reserve, in accordance with GAAP, against any liabilities associated
with the property or other assets disposed of in such Asset Disposition and
retained by the Company or any Restricted Subsidiary after such Asset
Disposition.

         "Net Cash Proceeds", with respect to any issuance or sale of Capital
Stock, means the cash proceeds of such issuance or sale net of attorneys' fees,
accountants' fees, underwriters' or placement agents' fees, discounts or
commissions and brokerage, consultant and other fees actually incurred in
connection with such issuance or sale and net of taxes paid or payable as a
result thereof.

<Page>

                                                                              13

         "Officer" means the Chairman of the Board, the Chief Executive Officer,
the Chief Financial Officer, the President, any Vice President, the Treasurer or
the Secretary of the Company or of a Subsidiary Guarantor, as appropriate.

         "Officers' Certificate" means a certificate signed by two Officers.

         "Offering Memorandum" means the Offering Memorandum dated May 9, 2001,
relating to the initial resale of the Original Securities by the Initial
Purchasers.

         "Opinion of Counsel" means a written opinion from legal counsel who is
acceptable to the Trustee. The counsel may be an employee of or counsel to the
Company, a Subsidiary Guarantor or the Trustee.

         "Permitted Business" means the business of government-owned
contractor-operated facilities management or research and development for, or
the development, manufacture, acquisition and distribution, sale, treatment,
dismantling and disposal of, and other businesses related to, non-nuclear and
non-biological weapons, defense, aerospace, navigation, logistics, control and
marine systems, and providing insurance or self-insurance coverage for, or
liability management or sales, marketing, development, administrative and
information management and logistical support services and activities with
respect to, the foregoing (including that described in the Offering Memorandum
under the Section "Business") and any Related Business.

         "Permitted Investment" means an Investment by the Company or any
Restricted Subsidiary in (a) the Company, a Restricted Subsidiary (other than
the Radford Joint Venture) or a Person that will, upon the making of such
Investment, become a Restricted Subsidiary (other than the Radford Joint
Venture); PROVIDED, HOWEVER, that the primary business of such Restricted
Subsidiary is a Permitted Business; (b) another Person if as a result of such
Investment such other Person is merged or consolidated with or into, or
transfers or conveys all or substantially all its assets to, the Company or a
Restricted Subsidiary (other than the Radford Joint Venture); PROVIDED, HOWEVER,
that such Person's primary business is a Permitted Business; (c) Temporary Cash
Investments; (d) receivables owing to the Company or any Restricted Subsidiary
if created or acquired in the ordinary course of business and payable or
dischargeable in accordance with customary trade terms; PROVIDED, HOWEVER, that
such trade terms may include such concessionary trade terms as the Company or
any such Restricted Subsidiary deems reasonable under the circumstances; (e)
payroll, travel and similar advances to cover matters that are expected at the
time of such advances ultimately to be treated as expenses for accounting
purposes and that are made in the ordinary course of business; (f) loans or
advances to employees made in the ordinary course of business consistent with
past practices of the Company or such Restricted Subsidiary and not exceeding
$2,000,000 in the aggregate outstanding at any time; (g) stock, obligations or
securities received in settlement of debts created in the ordinary course of
business and owing to the Company or any Restricted Subsidiary or in
satisfaction of judgments; (h) any Person to the extent such Investment
represents the noncash portion of the consideration received for an Asset
Disposition that was made pursuant to and in compliance with Section 4.06; (i)
to the extent the Radford JV Partner or any successor partner in the Radford
Joint Venture shall have agreed to pay its ratable share of any payment required
thereunder, Investments constituting performance guarantees to unrelated third
parties in respect of obligations of the Radford Joint Venture under commercial
contracts for goods or services; (j) the Radford Joint Venture at any time prior
to the Radford Final Contribution Date, to the extent consisting of: (1) the
contribution in connection with the initial formation of the Radford Joint
Venture of the fixed assets and working capital of the

<Page>

                                                                              14

Radford Army Ammunition Plant, or (2) loans advanced by the Company to the
Radford Joint Venture under the Radford Note; (k) the Radford Joint Venture on
the Radford Final Contribution Date, to the extent consisting of the remaining
Investment by the Company and the Restricted Subsidiaries after giving effect to
the reduction in ownership of Capital Stock resulting in the occurrence of the
Radford Final Contribution Date, PROVIDED that (1) no Default shall have
occurred and be continuing (or would result therefrom) and (2) after giving pro
forma effect to the reduction in ownership of Capital Stock resulting in the
occurrence of the Radford Final Contribution Date and the prepayment of any
Indebtedness of the Company and its Restricted Subsidiaries with the net
proceeds resulting from such reduction in ownership of Capital Stock, the
Company would be able to incur at least $1.00 of additional Indebtedness under
paragraph (a) of Section 4.03; (l) the Investment in the Defense Joint Venture
consisting of the contribution in connection with the initial formation of the
Defense Joint Venture of all or substantially all of the Capital Stock in each
of the Defense JV Subsidiaries; PROVIDED that (1) such Investment shall occur
within 18 months after the Closing Date; (2) at the time of such Investment, the
Defense JV Subsidiaries shall have no assets other than (x) assets held by such
Subsidiaries as of the Closing Date and (y) assets acquired by such Subsidiaries
in the ordinary course of business after the Closing Date; (3) no Default shall
have occurred and be continuing or would result from such Investment; (4) after
giving pro forma effect to such Investment, the Company would be able to incur
at least $1.00 of additional Indebtedness under paragraph (a) of Section 4.03;
and (5) on the date of such Investment the Company shall designate the Defense
JV Subsidiaries to be Unrestricted Subsidiaries in accordance with the
definition of "Unrestricted Subsidiary", it being understood that the
designation of such Subsidiaries to be Unrestricted Subsidiaries will not result
in an "Investment" for purposes of the definition of "Investment" and Section
4.04, except that for purposes of Section 4.04 an amount equal to the aggregate
Fair Market Value of any Investments in the Defense JV Subsidiaries made by the
Company or any Restricted Subsidiary after the Closing Date shall be included in
the calculation of the amount of Restricted Payments upon the designation of
such Subsidiaries to be Unrestricted Subsidiaries pursuant to this paragraph. If
all the conditions in the preceding sentence shall have been satisfied, each
Defense JV Subsidiary shall be released from its Subsidiary Guarantee; (m)
lease, utility and other similar deposits in the ordinary course of business;
(n) Investments paid for solely in Capital Stock (other than Disqualified Stock)
of the Company; (o) Investments acquired by the Company or a Restricted
Subsidiary as a result of a foreclosure by, or other transfer of title to, the
Company or a Restricted Subsidiary with respect to a secured Investment; and (p)
additional Investments in an aggregate amount not to exceed $25 million.

         "Permitted Securities" means, with respect to any Asset Disposition,
Voting Stock of a Person primarily engaged in a Permitted Business, PROVIDED
that after giving effect to the Asset Disposition such Person shall become a
Restricted Subsidiary.

         "Person" means any individual, corporation, partnership, limited
liability company, joint venture, association, joint-stock company, trust,
unincorporated organization, government or any agency or political subdivision
thereof or any other entity.

         "Preferred Stock", as applied to the Capital Stock of any Person, means
Capital Stock of any class or classes (however designated) that is preferred as
to the payment of dividends, or as to the distribution of assets upon any
voluntary or involuntary liquidation or dissolution of such Person, over shares
of Capital Stock of any other class of such Person.

         "principal" of a Security means the principal of the Security plus the
premium, if any, payable on the Security which is due or overdue or is to become
due at the relevant time.

<Page>

                                                                              15

         "Purchase Money Indebtedness" means Indebtedness (a) consisting of the
deferred purchase price of an asset, conditional sale obligations, obligations
under any title retention agreement and other purchase money obligations, in
each case where the maturity of such Indebtedness does not exceed the
anticipated useful life of the asset being financed, and (b) Incurred to finance
the acquisition by the Company or a Restricted Subsidiary of such asset,
including cost of construction, additions and improvements; PROVIDED, HOWEVER,
that such Indebtedness is incurred within 180 days after the acquisition by the
Company or such Restricted Subsidiary of such asset.

         "Qualified Equity Offering" means an offering for cash by the Company
of its common stock or options, warrants or rights with respect to its common
stock.

         "Radford Final Contribution Date" means the date on which the Company
ceases to own, directly or indirectly, a majority of the Voting Stock in the
Radford Joint Venture, whether as a result of an equity contribution or a
purchase of Voting Stock by the Radford JV Partner or otherwise.

         "Radford Joint Venture" means a joint venture proposed to be formed by
the Company and the Radford JV Partner on substantially the terms described in
the Offering Memorandum under "Business--Potential Future Strategic
Alliances--Radford Joint Venture".

         "Radford JV Partner" means the co-venturer of the Company in the
Radford Joint Venture or any successor thereof.

         "Radford JV Partner Ratable Share Amount" means, at any time, an amount
equal to the excess at such time of (x) the quotient obtained by dividing (i)
the aggregate principal amount of Indebtedness of the Radford Joint Venture
outstanding at any date of determination pursuant to Section 4.03(d)(2) by (ii)
the percentage (expressed as a decimal) of the total Equity Interests of the
Radford Joint Venture owned by the Company and the Restricted Subsidiaries, over
(y) the amount referred to in clause (x)(i) above.

         "Radford Note" means an intercompany note delivered by the Radford
Joint Venture to the Company.

         "Refinance" means, in respect of any Indebtedness, to refinance,
extend, renew, refund, repay, prepay, redeem, defease or retire, or to issue
other Indebtedness in exchange or replacement for, such Indebtedness.
"Refinanced" and "Refinancing" shall have correlative meanings.

         "Refinancing Indebtedness" means Indebtedness that is Incurred to
refund, refinance, replace, renew, repay or extend (including pursuant to any
defeasance or discharge mechanism) any Indebtedness of the Company or any
Restricted Subsidiary existing on the Closing Date or Incurred in compliance
with this Indenture including Indebtedness of the Company that Refinances
Refinancing Indebtedness; PROVIDED, HOWEVER, that (a) the Refinancing
Indebtedness has a Stated Maturity no earlier than the Stated Maturity of the
Indebtedness being Refinanced, (b) the Refinancing Indebtedness has an Average
Life at the time such Refinancing Indebtedness is Incurred that is equal to or
greater than the Average Life of the Indebtedness being refinanced, (c) such
Refinancing Indebtedness is Incurred in an aggregate principal amount (or if
issued with original issue discount, an aggregate issue price) that is equal to
or less than the aggregate principal amount (or if issued with original issue
discount, the aggregate accreted value) then outstanding of the Indebtedness
being Refinanced

<Page>

                                                                              16

and (d) if the Indebtedness being Refinanced is subordinated in right of payment
to the Securities, such Refinancing Indebtedness is subordinated in right of
payment to the Securities at least to the same extent as the Indebtedness being
Refinanced; PROVIDED FURTHER, HOWEVER, that Refinancing Indebtedness shall not
include (i) Indebtedness of a Restricted Subsidiary that Refinances Indebtedness
of the Company or (ii) Indebtedness of the Company or a Restricted Subsidiary
that Refinances Indebtedness of an Unrestricted Subsidiary.

         "Related Business" means any business related, ancillary or
complementary to the businesses of the Company and the Restricted Subsidiaries
on the Closing Date.

         "Representative" means the trustee, agent or representative (if any)
for an issue of Senior Indebtedness.

         "Restricted Subsidiary" means any Subsidiary of the Company other than
an Unrestricted Subsidiary. At all times after the formation of the Radford
Joint Venture and prior to the Radford Final Contribution Date, the Radford
Joint Venture will be a Restricted Subsidiary.

         "Sale/Leaseback Transaction" means an arrangement relating to property
now owned or hereafter acquired by the Company or a Restricted Subsidiary
whereby the Company or a Restricted Subsidiary transfers such property to a
Person and the Company or such Restricted Subsidiary leases it from such Person,
other than leases between the Company and a Restricted Subsidiary or between
Restricted Subsidiaries.

         "SEC" means the Securities and Exchange Commission.

         "Secured Indebtedness" means any Indebtedness of the Company secured by
a Lien. "Secured Indebtedness" of a Subsidiary Guarantor has a correlative
meaning.

         "Securities" means the Securities issued under this Indenture.

         "Securities Act" means the Securities Act of 1933, as amended.

         "Senior Indebtedness" of the Company or any Subsidiary Guarantor means
the principal of, premium (if any) and accrued and unpaid interest on (including
interest accruing on or after the filing of any petition in bankruptcy or for
reorganization of the Company or any Subsidiary Guarantor, regardless of whether
or not a claim for post- filing interest is allowed in such proceedings) and
fees and other amounts (including expenses, reimbursement obligations under
letters of credit and indemnities) owing in respect of, Bank Indebtedness and
all other Indebtedness of the Company or any Subsidiary Guarantor, as
applicable, whether outstanding on the Closing Date or thereafter Incurred,
unless in the instrument creating or evidencing the same or pursuant to which
the same is outstanding it is provided that such obligations are not superior in
right of payment to the Securities or such Subsidiary Guarantor's Subsidiary
Guarantee, as applicable; PROVIDED, HOWEVER, that Senior Indebtedness of the
Company or any Subsidiary Guarantor shall not include (a) any obligation of the
Company to any Subsidiary of the Company or of such Subsidiary Guarantor to the
Company or any other Subsidiary of the Company, (b) any liability for Federal,
state, local or other taxes owed or owing by the Company or such Subsidiary
Guarantor, (c) any accounts payable or other liability to trade creditors
arising in the ordinary course of business (including Guarantees thereof or
instruments evidencing such liabilities) and any amounts owed for compensation
to employees, (d) any Indebtedness or obligation of the Company or such
Subsidiary Guarantor, as applicable, and

<Page>

                                                                              17

any accrued and unpaid interest in respect thereof that by its terms is
subordinate or junior in any respect to any other Indebtedness or obligation of
the Company or such Subsidiary Guarantor, as applicable, including any Senior
Subordinated Indebtedness and any Subordinated Obligations of the Company or
such Subsidiary Guarantor, (e) any obligations with respect to any Capital Stock
or (f) any Indebtedness Incurred in violation of this Indenture.

         "Senior Subordinated Indebtedness" of the Company means the Securities
and any other Indebtedness of the Company that specifically provides that such
Indebtedness is to rank PARI PASSU with the Securities in right of payment and
is not subordinated by its terms in right of payment to any Indebtedness or
other obligation of the Company which is not Senior Indebtedness. "Senior
Subordinated Indebtedness" of a Subsidiary Guarantor has a correlative meaning.

         "Significant Subsidiary" means any Restricted Subsidiary that would be
a "Significant Subsidiary" of the Company within the meaning of Rule 1-02 under
Regulation S-X promulgated by the SEC.

         "Stated Maturity" means, with respect to any security, the date
specified in such security as the fixed date on which the final payment of
principal of such security is due and payable, including pursuant to any
mandatory redemption provision (but excluding any provision providing for the
repurchase of such security at the option of the holder thereof upon the
happening of any contingency beyond the control of the issuer unless such
contingency has occurred).

         "Subordinated Obligation" means any Indebtedness of the Company
(whether outstanding on the Closing Date or thereafter Incurred) that is
subordinate or junior in right of payment to the Securities pursuant to a
written agreement. "Subordinated Obligation" of a Subsidiary Guarantor has a
correlative meaning.

         "Subsidiary" of any Person means any corporation, association,
partnership or other business entity of which more than 50% of the total voting
power of shares of Capital Stock or other interests (including partnership
interests) entitled (without regard to the occurrence of any contingency) to
vote in the election of directors, managers or trustees thereof is at the time
owned or controlled, directly or indirectly, by (a) such Person, (b) such Person
and one or more Subsidiaries of such Person or (c) one or more Subsidiaries of
such Person.

         "Subsidiary Guarantee" means each Guarantee of the obligations with
respect to the Securities issued by a Subsidiary of the Company pursuant to the
terms of this Indenture.

         "Subsidiary Guarantor" means any Subsidiary that has issued a
Subsidiary Guarantee.

         "Support Agreement" means the Support Agreement dated May 28, 1999, by
and between the Company and Alliant Assurance Ltd.

         "Temporary Cash Investments" means any of the following: (a) any
investment in direct obligations of the United States of America or any agency
thereof or obligations Guaranteed by the United States of America or any agency
thereof, (b) investments in time deposit accounts, certificates of deposit and
money market deposits maturing within 365 days of the date of acquisition
thereof issued by a bank or trust company that is organized under the laws of
the United States of America, any state thereof or any foreign country
recognized by

<Page>

                                                                              18

the United States of America having capital, surplus and undivided profits
aggregating in excess of $100,000,000 (or the foreign currency equivalent
thereof) and whose long-term debt is rated "A" (or such similar equivalent
rating) or higher by at least one nationally recognized statistical rating
organization (as defined in Rule 436 under the Securities Act), (c) repurchase
obligations with a term of not more than 90 days for underlying securities of
the types described in clause (a) above entered into with a bank meeting the
qualifications described in clause (b) above, (d) investments in commercial
paper, maturing not more than 180 days after the date of acquisition, issued by
a corporation (other than an Affiliate of the Company) organized and in
existence under the laws of the United States of America or any foreign country
recognized by the United States of America with a rating at the time as of which
any investment therein is made of "P-1" (or higher) according to Moody's
Investors Service, Inc. or "A-1" (or higher) according to Standard and Poor's
Ratings Service, a division of The McGraw-Hill Companies, Inc. ("S&P"), and (e)
investments in securities with maturities of six months or less from the date of
acquisition issued or fully guaranteed by any state, commonwealth or territory
of the United States of America, or by any political subdivision or taxing
authority thereof, and rated at least "A" by S&P or "A" by Moody's Investors
Service, Inc.

         "TIA" means the Trust Indenture Act of 1939 (15 U.S.C. ss.ss. 77aaa-
77bbbb) as in effect on the Closing Date, except as provided in Section 9.03.

         "Trade Payables" means, with respect to any Person, any accounts
payable or any indebtedness or monetary obligation to trade creditors created,
assumed or Guaranteed by such Person arising in the ordinary course of business
in connection with the acquisition of goods or services.

         "Trustee" means the party named as such in this Indenture until a
successor replaces it and, thereafter, means the successor.

         "Trust Officer" means any officer or assistant officer of the Trustee
assigned by the Trustee to administer its corporate trust matters.

         "Uniform Commercial Code" means the New York Uniform Commercial Code as
in effect from time to time.

         "Unrestricted Subsidiary" means (a) any Subsidiary of the Company that
at the time of determination shall be designated an Unrestricted Subsidiary by
the Board of Directors in the manner provided below and (b) any Subsidiary of an
Unrestricted Subsidiary. The Board of Directors may designate any Subsidiary of
the Company (including any newly acquired or newly formed Subsidiary of the
Company) to be an Unrestricted Subsidiary unless such Subsidiary or any of its
Subsidiaries owns any Capital Stock or Indebtedness of, or owns or holds any
Lien on any property of, the Company or any other Subsidiary of the Company that
is not a Subsidiary of the Subsidiary to be so designated; PROVIDED, HOWEVER,
that either (i) the Subsidiary to be so designated has total Consolidated assets
of $1,000 or less or (ii) if such Subsidiary has Consolidated assets greater
than $1,000, then such designation would be permitted under Section 4.04. The
Board of Directors may designate any Unrestricted Subsidiary to be a Restricted
Subsidiary; PROVIDED, HOWEVER, that immediately after giving effect to such
designation (a) the Company could Incur $1.00 of additional Indebtedness under
Section 4.03(a) or the Company would have a Consolidated Coverage Ratio equal to
or greater than the Consolidated Coverage Ratio of the Company immediately prior
to such transaction and (b) no Default shall have occurred and be continuing.
Any such designation of a Subsidiary as a Restricted Subsidiary or Unrestricted
Subsidiary by the Board of Directors

<Page>

                                                                              19

shall be evidenced to the Trustee by promptly filing with the Trustee a copy of
the resolution of the Board of Directors giving effect to such designation and
an Officers' Certificate certifying that such designation complied with the
foregoing provisions.

         "U.S. Government Obligations" means direct obligations (or certificates
representing an ownership interest in such obligations) of the United States of
America (including any agency or instrumentality thereof) for the payment of
which the full faith and credit of the United States of America is pledged and
which are not callable or redeemable at the issuer's option.

         "Voting Stock" of a Person means all classes of Capital Stock or other
interests (including partnership interests) of such Person then outstanding and
normally entitled (without regard to the occurrence of any contingency) to vote
in the election of directors, managers or trustees thereof.

         "Wholly Owned Subsidiary" means a Restricted Subsidiary of the Company
all the Capital Stock of which (other than directors' qualifying shares) is
owned by the Company or another Wholly Owned Subsidiary.

         SECTION 1.02. OTHER DEFINITIONS.

<Table>
<Caption>
                                                                   Defined in
Term                                                                Section
----                                                               ----------
<S>                                                                <C>
"Affiliate Transaction" ..................................         4.07(a)
"Appendix" ...............................................         Preamble
"Bankruptcy Law" .........................................         6.01
"beneficially own" .......................................         1.01
"Blockage Notice" ........................................         10.03
"Change of Control Offer" ................................         4.08(b)
"covenant defeasance option" .............................         8.01(b)
"Custodian" ..............................................         6.01
"Definitive Securities" ..................................         Appendix A
"Event of Default" .......................................         6.01
"Exchange Securities" ....................................         Preamble
"Global Securities" ......................................         Appendix A
"Guarantee Blockage Notice" ..............................         12.03
"Guarantee Payment Blockage Period" ......................         12.03
"Guaranteed Obligations" .................................         11.01
"incorporated provision" .................................         13.01
"Initial Securities" .....................................         Preamble
"legal defeasance option" ................................         8.01(b)
"Legal Holiday" ..........................................         13.08
"Notice of Default" ......................................         6.01
"Offer" ..................................................         4.06(b)
"Offer Amount" ...........................................         4.06(c)(ii)
"Offer Period" ...........................................         4.06(c)(ii)
"Original Securities" ....................................         Preamble
"pay its Guarantee" ......................................         12.03
"pay the Securities" .....................................         10.03
"Paying Agent" ...........................................         2.04

<Page>

                                                                              20

<Caption>
                                                                   Defined in
Term                                                                Section
----                                                               ----------
<S>                                                                <C>
"Payment Blockage Period" ................................         10.03
"Private Exchange" .......................................         Appendix A
"Private Exchange Securities" ............................         Appendix A
"protected purchaser" ....................................         2.08
"Purchase Date" ..........................................         4.06(c)(i)
"Registration Agreement" .................................         Appendix A
"Registered Exchange Offer" ..............................         Appendix A
"Registrar" ..............................................         2.04
"Restricted Payment" .....................................         4.04(a)
"Securities Custodian" ...................................         Appendix A
"Successor Company" ......................................         5.01(a)
</Table>

         SECTION 1.03. INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT. This
Indenture is subject to the mandatory provisions of the TIA, which are
incorporated by reference in and made a part of this Indenture. The following
TIA terms have the following meanings:

         "Commission" means the SEC.

         "indenture securities" means the Securities and the Subsidiary
Guarantees.

         "indenture security holder" means a Holder.

         "indenture to be qualified" means this Indenture.

         "indenture trustee" or "institutional trustee" means the Trustee.

         "obligor" on the indenture securities means the Company, the Subsidiary
Guarantors and any other obligor on the indenture securities.

         All other TIA terms used in this Indenture that are defined by the TIA,
defined by TIA reference to another statute or defined by SEC rule have the
meanings assigned to them by such definitions.

         SECTION 1.04. RULES OF CONSTRUCTION. Unless the context otherwise
requires:

         (a) a term has the meaning assigned to it;

         (b) an accounting term not otherwise defined has the meaning assigned
     to it in accordance with GAAP;

         (c) "or" is not exclusive;

         (d) "including" means including without limitation;

         (e) words in the singular include the plural and words in the plural
     include the singular;

<Page>

                                                                              21

         (f) unsecured Indebtedness shall not be deemed to be subordinate or
     junior to Secured Indebtedness merely by virtue of its nature as unsecured
     Indebtedness;

         (g) the principal amount of any noninterest bearing or other discount
     security at any date shall be the principal amount thereof that would be
     shown on a balance sheet of the issuer dated such date prepared in
     accordance with GAAP; and

         (h) the principal amount of any Preferred Stock shall be (i) the
     maximum liquidation value of such Preferred Stock or (ii) the maximum
     mandatory redemption or mandatory repurchase price with respect to such
     Preferred Stock, whichever is greater.

                                    ARTICLE 2

                                 THE SECURITIES

         SECTION 2.01. AMOUNT OF SECURITIES; ISSUABLE IN SERIES. The aggregate
principal amount of Securities which may be authenticated and delivered under
this Indenture is $600,000,000. The Securities may be issued in one or more
series. All Securities of any one series shall be substantially identical except
as to denomination.

         With respect to any Additional Securities issued after the Closing Date
(except for Securities authenticated and delivered upon registration of transfer
of, or in exchange for, or in lieu of, other Securities pursuant to Section
2.07, 2.08, 2.09, 2.10 or 3.06 or the Appendix), there shall be (a) established
in or pursuant to a resolution of the Board of Directors and (b) (i) set forth
or determined in the manner provided in an Officers' Certificate or (ii)
established in one or more indentures supplemental hereto, prior to the issuance
of such Additional Securities:

         (1) whether such Additional Securities shall be issued as part of a new
     or existing series of Securities and the title of such Additional
     Securities (which shall distinguish the Additional Securities, if a new
     series, from Securities of any other series);

         (2) the aggregate principal amount of such Additional Securities which
     may be authenticated and delivered under this Indenture, which shall be in
     an aggregate principal amount not to exceed $200,000,000 (except for
     Securities authenticated and delivered upon registration of transfer of, or
     in exchange for, or in lieu of, other Securities of the same series
     pursuant to Section 2.07, 2.08, 2.09, 2.10 or 3.06 or the Appendix and
     except for Securities which, pursuant to Section 2.03, are deemed never to
     have been authenticated and delivered hereunder);

         (3) the issue price and issuance date of such Additional Securities,
     including the date from which interest on such Additional Securities shall
     accrue; PROVIDED, HOWEVER, that no Additional Securities may be issued at a
     price that would cause such Additional Securities to have "original issue
     discount" within the meaning of Section 1273 of the Code;

         (4) if applicable, that such Additional Securities shall be issuable in
     whole or in part in the form of one or more Global Securities and, in such
     case, the respective depositaries for such Global Securities, the form of
     any legend or legends which shall be borne by such Global Securities in
     addition to or in lieu of those set forth in Exhibit A hereto and any
     circumstances in addition to or in lieu of those set forth in Section 2.3
     of the Appendix in which any such Global Security may be exchanged in whole
     or in part for Additional Securities registered, or any transfer of such
     Global Security in whole or

<Page>

                                                                              22

     in part may be registered, in the name or names of Persons other than the
     depositary for such Global Security or a nominee thereof; and

         (5) if applicable, that such Additional Securities shall not be issued
     in the form of Initial Securities as set forth in Exhibit A, but shall be
     issued in the form of Exchange Securities as set forth in Exhibit B.

         If any of the terms of any Additional Securities are established by
action taken pursuant to a resolution of the Board of Directors, a copy of an
appropriate record of such action shall be certified by the Secretary or any
Assistant Secretary of the Company and delivered to the Trustee at or prior to
the delivery of the Officers' Certificate or the indenture supplemental hereto
setting forth the terms of the Additional Securities.

         SECTION 2.02. FORM AND DATING. Provisions relating to the Original
Securities, the Additional Securities, the Private Exchange Securities and the
Exchange Securities are set forth in the Appendix, which is hereby incorporated
in and expressly made a part of this Indenture. The (a) Original Securities and
the Trustee's certificate of authentication, (b) Private Exchange Securities and
the Trustee's certificate of authentication and (c) Additional Securities, if
any (if issued as Transfer Restricted Securities), and the Trustee's certificate
of authentication shall each be substantially in the form of Exhibit A hereto,
which is hereby incorporated in and expressly made a part of this Indenture. The
Exchange Securities and any Additional Securities issued other than as Transfer
Restricted Securities and the Trustee's certificate of authentication shall each
be substantially in the form of Exhibit B hereto, which is hereby incorporated
in and expressly made a part of this Indenture. The Securities may have
notations, legends or endorsements required by law, stock exchange rule,
agreements to which the Company or any Subsidiary Guarantor is subject, if any,
or usage (provided that any such notation, legend or endorsement is in a form
acceptable to the Company). Each Security shall be dated the date of its
authentication. The Securities shall be issuable only in registered form without
interest coupons and only in denominations of $1,000 and integral multiples
thereof.

         SECTION 2.03. EXECUTION AND AUTHENTICATION. Two Officers shall sign the
Securities for the Company by manual or facsimile signature.

         If an Officer whose signature is on a Security no longer holds that
office at the time the Trustee authenticates the Security, the Security shall be
valid nevertheless.

         A Security shall not be valid until an authorized signatory of the
Trustee manually signs the certificate of authentication on the Security. The
signature shall be conclusive evidence that the Security has been authenticated
under this Indenture.

         The Trustee shall authenticate and make available for delivery
Securities as set forth in the Appendix.

         The Trustee may appoint an authenticating agent reasonably acceptable
to the Company to authenticate the Securities. Any such appointment shall be
evidenced by an instrument signed by a Trust Officer, a copy of which shall be
furnished to the Company. Unless limited by the terms of such appointment, an
authenticating agent may authenticate Securities whenever the Trustee may do so.
Each reference in this Indenture to authentication by the Trustee includes
authentication by such agent. An authenticating agent has the same rights as any
Registrar, Paying Agent or agent for service of notices and demands.

<Page>

                                                                              23

         SECTION 2.04. REGISTRAR AND PAYING AGENT. (a) The Company shall
maintain an office or agency where Securities may be presented for registration
of transfer or for exchange (the "Registrar") and an office or agency where
Securities may be presented for payment (the "Paying Agent"). The Registrar
shall keep a register of the Securities and of their transfer and exchange. The
Company may have one or more co-registrars and one or more additional paying
agents. The term "Paying Agent" includes any additional paying agent, and the
term "Registrar" includes any co-registrars. The Company initially appoints the
Trustee as (i) Registrar and Paying Agent in connection with the Securities and
(ii) the Securities Custodian with respect to the Global Securities.

         (b) The Company shall enter into an appropriate agency agreement
with any Registrar or Paying Agent not a party to this Indenture, which shall
incorporate the terms of the TIA. The agreement shall implement the
provisions of this Indenture that relate to such agent. The Company shall
notify the Trustee of the name and address of any such agent. If the Company
fails to maintain a Registrar or Paying Agent, the Trustee shall act as such
and shall be entitled to appropriate compensation therefor pursuant to
Section 7.07. The Company or any of its domestically organized Wholly Owned
Subsidiaries may act as Paying Agent or Registrar.

         (c) The Company may remove any Registrar or Paying Agent upon
written notice to such Registrar or Paying Agent and to the Trustee;
PROVIDED, HOWEVER, that no such removal shall become effective until (i)
acceptance of an appointment by a successor as evidenced by an appropriate
agreement entered into by the Company and such successor Registrar or Paying
Agent, as the case may be, and delivered to the Trustee or (ii) notification
to the Trustee that the Trustee shall serve as Registrar or Paying Agent
until the appointment of a successor in accordance with clause (i) above. The
Registrar or Paying Agent may resign at any time upon written notice to the
Company and the Trustee; PROVIDED, HOWEVER, that no such resignation shall
become effective until (i) acceptance of an appointment by a successor as
evidenced by an appropriate agreement entered into by the Company and such
successor Registrar or Paying Agent, as the case may be, and delivered to the
Trustee or (ii) notification to the Trustee that the Trustee shall serve as
Registrar or Paying Agent until the appointment of a successor in accordance
with clause (i) above.

         SECTION 2.05. PAYING AGENT TO HOLD MONEY IN TRUST. Prior to each due
date of the principal of and interest and liquidated damages (if any) on any
Security, the Company shall deposit with the Paying Agent a sum sufficient to
pay such principal, interest and liquidated damages (if any) when so becoming
due. The Company shall require each Paying Agent (other than the Trustee) to
agree in writing that the Paying Agent shall hold in trust for the benefit of
Holders or the Trustee all money held by the Paying Agent for the payment of
principal of and interest and liquidated damages (if any) on the Securities, and
shall notify the Trustee of any default by the Company in making any such
payment. If the Company or a Subsidiary of the Company acts as Paying Agent, it
shall segregate the money held by it as Paying Agent and hold it as a separate
trust fund. The Company at any time may require a Paying Agent to pay all money
held by it to the Trustee and to account for any funds disbursed by the Paying
Agent. Upon complying with this Section, the Paying Agent shall have no further
liability for the money delivered to the Trustee.

         SECTION 2.06. HOLDER LISTS. The Trustee shall preserve in as current a
form as is reasonably practicable the most recent list available to it of the
names and addresses of Holders. If the Trustee is not the Registrar, the Company
shall furnish, or cause the Registrar to furnish, to the Trustee, in writing at
least five Business Days before each interest payment date

<Page>

                                                                              24

and at such other times as the Trustee may request in writing, a list in such
form and as of such date as the Trustee may reasonably require of the names and
addresses of Holders.

         SECTION 2.07. TRANSFER AND EXCHANGE. The Securities shall be issued in
registered form and shall be transferable only upon the surrender of a Security
for registration of transfer and in compliance with the Appendix. When a
Security is presented to the Registrar with a request to register a transfer,
the Registrar shall register the transfer as requested if its requirements
therefor are met. When Securities are presented to the Registrar with a request
to exchange them for an equal principal amount of Securities of other
denominations, the Registrar shall make the exchange as requested if the same
requirements are met. To permit registration of transfers and exchanges, the
Company shall execute and the Trustee shall authenticate Securities at the
Registrar's request. The Company may require payment of a sum sufficient to pay
all taxes, assessments or other governmental charges in connection with any
transfer or exchange pursuant to this Section. The Company shall not be required
to make and the Registrar need not register transfers or exchanges of Securities
selected for redemption (except, in the case of Securities to be redeemed in
part, the portion thereof not to be redeemed) or any Securities for a period of
15 days before the mailing of a notice of redemption of Securities to be
redeemed or 15 days before an interest payment date.

         Prior to the due presentation for registration of transfer of any
Security, the Company, the Subsidiary Guarantors, the Trustee, the Paying Agent,
and the Registrar may deem and treat the Person in whose name a Security is
registered as the absolute owner of such Security for the purpose of receiving
payment of principal of and (subject to paragraph 2 of the Securities) interest,
if any, on such Security and for all other purposes whatsoever, whether or not
such Security is overdue, and none of the Company, any Subsidiary Guarantor, the
Trustee, the Paying Agent, or the Registrar shall be affected by notice to the
contrary.

         Any Holder of a Global Security shall, by acceptance of such Global
Security, agree that transfers of beneficial interest in such Global Security
may be effected only through a book-entry system maintained by (a) the Holder of
such Global Security (or its agent) or (b) any Holder of a beneficial interest
in such Global Security, and that ownership of a beneficial interest in such
Global Security shall be required to be reflected in a book entry.

         All Securities issued upon any transfer or exchange pursuant to the
terms of this Indenture shall evidence the same debt and shall be entitled to
the same benefits under this Indenture as the Securities surrendered upon such
transfer or exchange.

         SECTION 2.08. REPLACEMENT SECURITIES. If a mutilated Security is
surrendered to the Registrar or if the Holder of a Security claims that the
Security has been lost, destroyed or wrongfully taken, the Company shall issue
and the Trustee shall authenticate a replacement Security if the requirements of
Section 8-405 of the Uniform Commercial Code are met, such that the Holder (a)
notifies the Company or the Trustee within a reasonable time after such Holder
has notice of such loss, destruction or wrongful taking and the Registrar does
not register a transfer prior to receiving such notification, (b) makes such
request to the Company or the Trustee prior to the Security being acquired by a
protected purchaser as defined in Section 8-303 of the Uniform Commercial Code
(a "protected purchaser") and (c) satisfies any other reasonable requirements of
the Trustee or the Company. Such Holder shall furnish an indemnity bond
sufficient in the judgment of the Trustee to protect the Company, the Trustee,
the Paying Agent and the Registrar from any loss that any of them may suffer if
a Security is replaced. The Company and the Trustee may charge the Holder for
their expenses in replacing a Security. In the event any such mutilated, lost,
destroyed or wrongfully taken

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                                                                              25

Security has become or is about to become due and payable, the Company in its
discretion may pay such Security instead of issuing a new Security in
replacement thereof.

         Every replacement Security is an additional obligation of the Company.

         The provisions of this Section 2.08 are exclusive and shall preclude
(to the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, lost, destroyed or wrongfully taken
Securities.

         SECTION 2.09. OUTSTANDING SECURITIES. Securities outstanding at any
time are all Securities authenticated by the Trustee except for those canceled
by it, those paid pursuant to Section 2.08, those delivered to it for
cancelation and those described in this Section as not outstanding. Subject to
Section 13.06, a Security does not cease to be outstanding because the Company
or an Affiliate of the Company holds the Security.

         If a Security is replaced pursuant to Section 2.08, it ceases to be
outstanding unless the Trustee and the Company receive proof satisfactory to
them that the replaced Security is held by a protected purchaser.

         If the Paying Agent segregates and holds in trust, in accordance with
this Indenture, on a redemption date or maturity date money sufficient to pay
all principal, interest and liquidated damages, if any, payable on that date
with respect to the Securities (or portions thereof) to be redeemed or maturing,
as the case may be, and the Paying Agent is not prohibited from paying such
money to the Holders on that date pursuant to the terms of this Indenture, then
on and after that date such Securities (or portions thereof) shall cease to be
outstanding and interest on them shall cease to accrue.

         SECTION 2.10. TEMPORARY SECURITIES. In the event that Definitive
Securities are to be issued under the terms of this Indenture, until such
Definitive Securities are ready for delivery, the Company may prepare and the
Trustee shall authenticate temporary Securities. Temporary Securities shall be
substantially in the form of Definitive Securities but may have variations that
the Company considers appropriate for temporary Securities. Without unreasonable
delay, the Company shall prepare and the Trustee shall authenticate Definitive
Securities, in the name of the Holder, and deliver them to the Holder in
exchange for temporary Securities upon surrender of such temporary Securities,
without charge to the Holder.

         SECTION 2.11. CANCELATION. The Company at any time may deliver
Securities to the Trustee for cancelation. The Registrar and the Paying Agent
shall forward to the Trustee any Securities surrendered to them for registration
of transfer, exchange or payment. The Trustee and no one else shall cancel all
Securities surrendered for registration of transfer, exchange, payment or
cancelation and shall dispose of canceled Securities in accordance with its
customary procedures, and shall deliver a certificate of such disposal to the
Company unless it delivers canceled Securities to the Company pursuant to
written direction by an Officer. The Company may not issue new Securities to
replace Securities it has redeemed, paid or delivered to the Trustee for
cancelation. The Trustee shall not authenticate Securities in place of canceled
Securities other than pursuant to the terms of this Indenture.

         SECTION 2.12. DEFAULTED INTEREST. If the Company defaults in a
payment of interest on the Securities, the Company shall pay the defaulted
interest (plus interest on such defaulted interest to the extent lawful) in
any lawful manner. The Company may pay the defaulted interest to the Persons
who are Holders on a subsequent special record date. The
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                                                                              26

Company shall fix or cause to be fixed any such special record date and
payment date to the reasonable satisfaction of the Trustee and shall promptly
mail or cause to be mailed to each Holder a notice that states the special
record date, the payment date and the amount of defaulted interest to be paid.

         SECTION 2.13. CUSIP AND ISIN NUMBERS. The Company in issuing the
Securities may use "CUSIP" and ISIN numbers (if then generally in use) and, if
so, the Trustee shall use "CUSIP" and ISIN numbers in notices of redemption as a
convenience to Holders; PROVIDED, HOWEVER, that any such notice may state that
no representation is made as to the correctness of such numbers either as
printed on the Securities or as contained in any notice of a redemption and that
reliance may be placed only on the other identification numbers printed on the
Securities, and any such redemption shall not be affected by any defect in or
omission of such numbers. The Company shall promptly notify the Trustee of any
change in the "CUSIP" or ISIN numbers.

                                    ARTICLE 3

                                   REDEMPTION

         SECTION 3.01. NOTICES TO TRUSTEE. If the Company elects to redeem
Securities pursuant to paragraph 5 of the Securities, it shall notify the
Trustee in writing of the redemption date and the principal amount of Securities
to be redeemed.

         The Company shall give each notice to the Trustee provided for in this
Section at least 60 days before the redemption date unless the Trustee consents
to a shorter period. Such notice shall be accompanied by an Officers'
Certificate and an Opinion of Counsel from the Company to the effect that such
redemption will comply with the conditions herein. Any such notice may be
canceled at any time prior to notice of such redemption being mailed to any
Holder and shall thereby be void and of no effect.

         SECTION 3.02. SELECTION OF SECURITIES TO BE REDEEMED. If fewer than all
the Securities are to be redeemed, the Trustee shall select the Securities to be
redeemed pro rata or by lot or by a method that complies with the applicable
legal and securities exchange requirements, if any, and that the Trustee in its
sole discretion shall deem to be fair and appropriate. The Trustee shall make
the selection from outstanding Securities not previously called for redemption.
The Trustee may select for redemption portions of the principal of Securities
that have denominations larger than $1,000. Securities and portions of them the
Trustee selects shall be in amounts of $1,000 or a whole multiple of $1,000.
Provisions of this Indenture that apply to Securities called for redemption also
apply to portions of Securities called for redemption. The Trustee shall notify
the Company promptly of the Securities or portions of Securities to be redeemed.

         SECTION 3.03. NOTICE OF REDEMPTION. (a) At least 30 days but not more
than 60 days before a date for redemption of Securities, the Company shall mail
a notice of redemption by first-class mail to each Holder of Securities to be
redeemed at such Holder's registered address.

         The notice shall identify the Securities to be redeemed and shall
state:

         (i) the redemption date;

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                                                                              27

         (ii) the redemption price and the amount of accrued interest to the
     redemption date;

         (iii) the name and address of the Paying Agent;

         (iv) that Securities called for redemption must be surrendered to the
     Paying Agent to collect the redemption price;

         (v) if fewer than all the outstanding Securities are to be redeemed,
     the certificate numbers and principal amounts of the particular Securities
     to be redeemed;

         (vi) that, unless the Company defaults in making such redemption
     payment or the Paying Agent is prohibited from making such payment pursuant
     to the terms of this Indenture, interest on Securities (or portion thereof)
     called for redemption ceases to accrue on and after the redemption date;

         (vii) the CUSIP or ISIN number, if any, printed on the Securities being
     redeemed; and

         (viii) that no representation is made as to the correctness or accuracy
     of the CUSIP or ISIN number, if any, listed in such notice or printed on
     the Securities.

         (b) At the Company's request, the Trustee shall give the notice of
redemption in the Company's name and at the Company's expense. In such event,
the Company shall provide the Trustee with the information required by this
Section.

         SECTION 3.04. EFFECT OF NOTICE OF REDEMPTION. Once notice of redemption
is mailed, Securities called for redemption become due and payable on the
redemption date and at the redemption price stated in the notice. Upon surrender
to the Paying Agent, such Securities shall be paid at the redemption price
stated in the notice, plus accrued interest and liquidated damages, if any, to
the redemption date; PROVIDED, HOWEVER, that if the redemption date is after a
regular record date and on or prior to the interest payment date, the accrued
interest and liquidated damages, if any, shall be payable to the Holder of the
redeemed Securities registered on the relevant record date. Failure to give
notice or any defect in the notice to any Holder shall not affect the validity
of the notice to any other Holder.

         SECTION 3.05. DEPOSIT OF REDEMPTION PRICE. Prior to 10:00 a.m., New
York City time, on the redemption date, the Company shall deposit with the
Paying Agent (or, if the Company or a Wholly Owned Subsidiary is the Paying
Agent, shall segregate and hold in trust) money sufficient to pay the redemption
price of and accrued interest and liquidated damages, if any, on all Securities
or portions thereof to be redeemed on that date other than Securities or
portions of Securities called for redemption that have been delivered by the
Company to the Trustee for cancelation. On and after the redemption date,
interest shall cease to accrue on Securities or portions thereof called for
redemption so long as the Company has deposited with the Paying Agent funds
sufficient to pay the principal of, plus accrued and unpaid interest and
liquidated damages, if any, on, the Securities to be redeemed, unless the Paying
Agent is prohibited from making such payment pursuant to the terms of this
Indenture.

         SECTION 3.06. SECURITIES REDEEMED IN PART. Upon surrender of a Security
that is redeemed in part, the Company shall execute and the Trustee shall
authenticate for the

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                                                                              28

Holder (at the Company's expense) a new Security equal in principal amount to
the unredeemed portion of the Security surrendered.

                                    ARTICLE 4

                                    COVENANTS

         SECTION 4.01. PAYMENT OF SECURITIES. The Company shall promptly pay the
principal of and interest and liquidated damages, if any, on the Securities on
the dates and in the manner provided in the Securities and in this Indenture.
Principal, interest and liquidated damages, if any, shall be considered paid on
the date due if on such date the Trustee or the Paying Agent holds in accordance
with this Indenture money sufficient to pay all principal and interest then due
and the Trustee or the Paying Agent, as the case may be, is not prohibited from
paying such money to the Holders on that date pursuant to the terms of this
Indenture.

         The Company shall pay interest on overdue principal at the rate
specified therefor in the Securities, and it shall pay interest on overdue
installments of interest at the same rate to the extent lawful.

         SECTION 4.02. SEC REPORTS. The Company shall file with the SEC, and
provide the Trustee and Holders and prospective Holders (upon request) within 15
days after it files them with the SEC, copies of its annual report and the
information, documents and other reports that are specified in Section 13 and
15(d) of the Exchange Act, provided that for purposes of this Section 4.02, such
information, documents and other reports shall be deemed to have been furnished
if they are electronically available via the SEC's EDGAR System. Even if the
Company is entitled under the Exchange Act not to furnish such information to
the SEC, it will nonetheless continue to furnish information that would be
required to be furnished by the Company by Section 13 or 15(d) of the Exchange
Act (excluding exhibits) to the Trustee and the Holders, and prospective Holders
(upon request), as if it were subject to such periodic reporting requirements.
The Company also shall comply with the other provisions of Section 314(a) of the
TIA. Delivery of such reports, information and documents to the Trustee is for
informational purposes only and the Trustee's receipt of such shall not
constitute constructive notice of any information contained therein or
determinable from information contained therein, including the Company's
compliance with any of its covenants hereunder (as to which the Trustee is
entitled to rely exclusively on Officers' Certificates).

         SECTION 4.03. LIMITATION ON INDEBTEDNESS. (a) The Company shall not,
and shall not permit any Restricted Subsidiary to, Incur, directly or
indirectly, any Indebtedness; PROVIDED, HOWEVER, that the Company or any
Restricted Subsidiary that is a Subsidiary Guarantor may Incur Indebtedness if
on the date of such Incurrence and after giving effect thereto, the Consolidated
Coverage Ratio would be greater than 2.25 to 1.

         (b) Notwithstanding Section 4.03(a), the Company and its Restricted
Subsidiaries may Incur the following Indebtedness:

         (i) Bank Indebtedness in an aggregate principal amount not to exceed
     $880,000,000 less the aggregate amount of all prepayments of principal
     applied to permanently reduce any such Indebtedness;

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                                                                              29

         (ii) Indebtedness of the Company owed to and held by any Subsidiary
     Guarantor or Indebtedness of a Restricted Subsidiary (other than the
     Radford Joint Venture) owed to and held by the Company or any Subsidiary
     Guarantor; PROVIDED, HOWEVER, that (1) any subsequent issuance or transfer
     of any Capital Stock or any other event that results in any such Subsidiary
     Guarantor ceasing to be a Subsidiary Guarantor or any subsequent transfer
     of any such Indebtedness (except to the Company or a Subsidiary Guarantor)
     shall be deemed, in each case, to constitute the Incurrence of such
     Indebtedness by the issuer thereof, (2) if the Company is the obligor on
     such Indebtedness and the obligee is not a Subsidiary Guarantor, such
     Indebtedness is expressly subordinated to the prior payment in full in cash
     of all obligations with respect to the Securities and (3) if a Subsidiary
     Guarantor is the obligor on such Indebtedness and such Indebtedness is owed
     to and held by a Restricted Subsidiary that is not a Subsidiary Guarantor,
     such Indebtedness is expressly subordinated to the prior payment in full in
     cash of all obligations of such Subsidiary Guarantor with respect to its
     Subsidiary Guarantee;

         (iii) Indebtedness (1) represented by the Securities (not including any
     Additional Securities) and the Subsidiary Guarantees, (2) outstanding on
     the Closing Date (other than the Indebtedness described in clauses (i) and
     (ii) above), (3) consisting of Refinancing Indebtedness Incurred in respect
     of any Indebtedness described in this clause (iii) (including Indebtedness
     that is Refinancing Indebtedness) or Section 4.03(a) and (4) consisting of
     Guarantees of any Indebtedness permitted under clauses (i) and (ii) of this
     paragraph (b);

         (iv) (1) Indebtedness of a Restricted Subsidiary Incurred and
     outstanding on or prior to the date on which such Restricted Subsidiary was
     acquired by the Company (other than Indebtedness Incurred in contemplation
     of, in connection with, as consideration in, or to provide all or any
     portion of the funds or credit support utilized to consummate, the
     transaction or series of related transactions pursuant to which such
     Restricted Subsidiary became a Subsidiary of or was otherwise acquired by
     the Company); PROVIDED, HOWEVER, that on the date that such Restricted
     Subsidiary is acquired by the Company, the Company would have been able to
     Incur $1.00 of additional Indebtedness pursuant to Section 4.03(a) after
     giving effect to the Incurrence of such Indebtedness pursuant to this
     clause (iv) and (2) Refinancing Indebtedness Incurred by a Restricted
     Subsidiary in respect of Indebtedness Incurred by such Restricted
     Subsidiary pursuant to this clause (iv);

         (v) Indebtedness (1) in respect of performance bonds, bankers'
     acceptances, letters of credit and surety or appeal bonds provided by the
     Company and the Restricted Subsidiaries in the ordinary course of their
     business, and (2) under Hedging Obligations entered into for bona fide
     hedging purposes of the Company in the ordinary course of business;
     PROVIDED, HOWEVER, that such Hedging Obligations do not increase the
     Indebtedness of the Company outstanding at any time other than as a result
     of fluctuations in interest rates, exchange rates or commodity prices or by
     reason of fees, indemnities and compensation payable thereunder;

         (vi) Purchase Money Indebtedness and Capitalized Lease Obligations in
     an aggregate principal amount at any time outstanding not in excess of the
     greater of (1) $35,000,000 and (2) 7% of Consolidated Net Tangible Assets
     or any Refinancing Indebtedness Incurred to Refinance any Indebtedness
     Incurred pursuant to this clause (vi);

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                                                                              30

         (vii) Indebtedness of the Company or any of its Restricted Subsidiaries
     arising from agreements providing for indemnification, adjustment of
     purchase price or similar obligations, or from guarantees, letters of
     credit, surety bonds or performance bonds securing any obligations of the
     Company or any of its Restricted Subsidiaries, in each case incurred or
     assumed in connection with the disposition of any business, any Asset
     Disposition or any disposition of Capital Stock of a Restricted Subsidiary
     permitted under Section 4.06 and Section 4.13, other than Guarantees of
     Indebtedness by, or other credit support provided by, the Company or any of
     its Restricted Subsidiaries in contemplation of, in connection with, as
     consideration in, or to provide all or any portion of the funds or credit
     support utilized to consummate such transaction; provided that the maximum
     aggregate liability in respect of all such Indebtedness in the nature of
     such guarantees shall at no time exceed the gross proceeds actually
     received by the Company from the sale of such business, assets or Capital
     Stock;

         (viii) Indebtedness consisting of Guarantees by the Company or any
     Restricted Subsidiary that is a Subsidiary Guarantor of Senior Indebtedness
     of the Company or any Restricted Subsidiary otherwise permitted under this
     covenant; and

         (ix) Indebtedness (other than Indebtedness permitted to be Incurred
     pursuant to Section 4.03(a) or any other clause of this Section 4.03(b)) in
     an aggregate principal amount on the date of Incurrence that, when added to
     all other Indebtedness Incurred pursuant to this clause (ix) and then
     outstanding, shall not exceed $50,000,000.

         (c) Notwithstanding the foregoing, the Company shall not Incur any
Indebtedness pursuant to Section 4.03(b) above if the proceeds thereof are used,
directly or indirectly, to repay, prepay, redeem, defease, retire, refund or
refinance any Subordinated Obligations unless such Indebtedness shall be
subordinated to the Securities to at least the same extent as such Subordinated
Obligations. The Company shall not Incur any Indebtedness pursuant to Section
4.03(a) or 4.03(b) if such Indebtedness is subordinate or junior in ranking in
any respect to any Senior Indebtedness unless such Indebtedness is Senior
Subordinated Indebtedness or is expressly subordinated in right of payment to
Senior Subordinated Indebtedness. In addition, the Company shall not Incur any
Secured Indebtedness which is not Senior Indebtedness unless contemporaneously
therewith effective provision is made to secure the Securities equally and
ratably with (or on a senior basis to, in the case of Indebtedness subordinated
in right of payment to the Securities) such Secured Indebtedness for so long as
such Secured Indebtedness is secured by a Lien. A Subsidiary Guarantor shall not
Incur any Indebtedness if such Indebtedness is by its terms expressly
subordinate or junior in ranking in any respect to any Senior Indebtedness of
such Subsidiary Guarantor unless such Indebtedness is Senior Subordinated
Indebtedness of such Subsidiary Guarantor or is expressly subordinated in right
of payment to Senior Subordinated Indebtedness of such Subsidiary Guarantor. In
addition, a Subsidiary Guarantor shall not Incur any Secured Indebtedness that
is not Senior Indebtedness of such Subsidiary Guarantor unless contemporaneously
therewith effective provision is made to secure the Subsidiary Guarantee of such
Subsidiary Guarantor equally and ratably with (or on a senior basis to, in the
case of Indebtedness subordinated in right of payment to such Subsidiary
Guarantee) such Secured Indebtedness for as long as such Secured Indebtedness is
secured by a Lien.

         (d) Notwithstanding anything to the contrary contained in Section
4.03(b), neither the Radford Joint Venture nor any Subsidiary thereof shall at
any time prior to the Radford Final Contribution Date create, incur, assume or
permit to exist any Indebtedness, except:

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                                                                              31

         (i) Indebtedness in respect of letters of credit issued pursuant to the
     Credit Agreement;

         (ii) Indebtedness under the Radford Note;

         (iii) Indebtedness owed to the Radford JV Partner or any successor
     partner in the Radford Joint Venture in an aggregate principal amount
     outstanding at any time not to exceed the Radford JV Partner Ratable Share
     Amount at such time; and

         (iv) other unsecured Indebtedness in an aggregate principal amount
     outstanding at any time not to exceed $10,000,000.

Indebtedness incurred by the Radford Joint Venture and its Subsidiaries will not
be counted against any of the limits set forth in Section 4.03(b).

         (e) Notwithstanding any other provision of this Section 4.03, the
maximum amount of Indebtedness that the Company or any Restricted Subsidiary may
Incur pursuant to this Section shall not be deemed to be exceeded solely as a
result of fluctuations in the exchange rates of currencies. For purposes of
determining the outstanding principal amount of any particular Indebtedness
Incurred pursuant to this Section 4.03, (i) Indebtedness Incurred pursuant to
the Credit Agreement prior to or on the Closing Date shall be treated as
Incurred pursuant to Section 4.03(b)(i), (ii) Indebtedness permitted by this
Section 4.03 need not be permitted solely by reference to one provision
permitting such Indebtedness but may be permitted in part by one such provision
and in part by one or more other provisions of this Section permitting such
Indebtedness and (iii) in the event that Indebtedness meets the criteria of more
than one of the types of Indebtedness described in this Section, the Company, in
its sole discretion, shall classify such Indebtedness and only be required to
include the amount of such Indebtedness in one of such clauses.

         SECTION 4.04. LIMITATION ON RESTRICTED PAYMENTS. (a) The Company shall
not, and shall not permit any Restricted Subsidiary, directly or indirectly, to
(i) declare or pay any dividend, make any distribution on or in respect of its
Capital Stock or make any similar payment (including any payment in connection
with any merger or consolidation involving the Company or any Subsidiary of the
Company) to the direct or indirect holders of its Capital Stock, except (x)
dividends or distributions payable solely in its Capital Stock (other than
Disqualified Stock) and (y) dividends or distributions payable to the Company or
a Restricted Subsidiary (and, if such Restricted Subsidiary has shareholders
other than the Company or other Restricted Subsidiaries, to its other
shareholders on a pro rata basis or on a basis more favorable to the Company and
its Restricted Subsidiaries than pro rata), (ii) purchase, repurchase, redeem,
retire or otherwise acquire for value any Capital Stock of the Company or any
Restricted Subsidiary held by Persons other than the Company or a Restricted
Subsidiary, (iii) purchase, repurchase, redeem, retire, defease or otherwise
acquire for value, prior to scheduled maturity, scheduled repayment or scheduled
sinking fund payment any Subordinated Obligations (other than the purchase,
repurchase, redemption, retirement, defeasance or other acquisition for value of
Subordinated Obligations acquired in anticipation of satisfying a sinking fund
obligation, principal installment or final maturity, in each case due within one
year of the date of acquisition) or (iv) make any Investment (other than a
Permitted Investment) in any Person (any such dividend, distribution, payment,
purchase, redemption, repurchase, defeasance, retirement, other acquisition or
Investment being herein referred to as a "Restricted

<Page>

                                                                              32

Payment") if at the time the Company or such Restricted Subsidiary makes such
Restricted Payment:

         (1) a Default shall have occurred and be continuing (or would result
     therefrom);

         (2) the Company could not Incur at least $1.00 of additional
     Indebtedness under Section 4.03(a); or

         (3) the aggregate amount of such Restricted Payment and all other
     Restricted Payments (the amount so expended, if other than in cash, to be
     determined in good faith by the Board of Directors, whose determination
     shall be conclusive and evidenced by a resolution of the Board of
     Directors) declared or made subsequent to the Closing Date would exceed the
     sum, without duplication, of:

               (A) 50% of the Consolidated Net Income accrued during the period
         (treated as one accounting period) from April 1, 2001 to the end of the
         most recent fiscal quarter for which financial statements are publicly
         available prior to the date of such Restricted Payment (or, in case
         such Consolidated Net Income shall be a deficit, minus 100% of such
         deficit);

               (B) the aggregate Net Cash Proceeds received by the Company from
         the issue or sale of its Capital Stock (other than Disqualified Stock)
         subsequent to the Closing Date (other than an issuance or sale to (x) a
         Subsidiary of the Company or (y) an employee stock ownership plan or
         other trust established by the Company or any of its Subsidiaries);

               (C) the amount by which Indebtedness of the Company or its
         Restricted Subsidiaries is reduced on the Company's balance sheet upon
         the conversion or exchange (other than by a Subsidiary of the Company)
         subsequent to the Closing Date of any Indebtedness of the Company or
         its Restricted Subsidiaries issued after the Closing Date which is
         convertible or exchangeable for Capital Stock (other than Disqualified
         Stock) of the Company (less the amount of any cash or the Fair Market
         Value of other property distributed by the Company or any Restricted
         Subsidiary upon such conversion or exchange); and

               (D) the amount equal to the net reduction in Investments in
         Unrestricted Subsidiaries resulting from (x) payments of dividends,
         repayments of the principal of loans or advances or other transfers of
         assets to the Company or any Restricted Subsidiary from Unrestricted
         Subsidiaries or (y) the redesignation of Unrestricted Subsidiaries as
         Restricted Subsidiaries (valued in each case as provided in the
         definition of "Investment") not to exceed, in the case of any
         Unrestricted Subsidiary, the amount of Investments previously made by
         the Company or any Restricted Subsidiary in such Unrestricted
         Subsidiary, which amount was included in the calculation of the amount
         of Restricted Payments under this Section 4.04(a)(iv)(3).

         (b) The provisions of Section 4.04(a) shall not prohibit:

         (i) dividend or distribution in respect of, or any purchase,
     repurchase, redemption, retirement or other acquisition for value of
     Capital Stock of the Company

<Page>

                                                                              33

     made by exchange for, or out of the proceeds of the substantially
     concurrent sale of, Capital Stock of the Company (other than Disqualified
     Stock and other than Capital Stock issued or sold to a Subsidiary of the
     Company or an employee stock ownership plan or other trust established by
     the Company or any of its Subsidiaries); PROVIDED, HOWEVER, that (1) such
     dividend, distribution, purchase, repurchase, redemption, retirement or
     other acquisition for value shall be excluded in the calculation of the
     amount of Restricted Payments and (2) the Net Cash Proceeds from such sale
     applied in the manner set forth in this clause (i) shall be excluded from
     the calculation of amounts under Section 4.04(a)(iv)(3)(B);

         (ii) any prepayment, repayment, purchase, repurchase, redemption,
     retirement, defeasance or other acquisition for value of Subordinated
     Obligations of the Company made by exchange for, or out of the proceeds of
     the substantially concurrent sale of, Indebtedness of the Company that is
     permitted to be Incurred pursuant to Section 4.03; PROVIDED, HOWEVER, that
     such prepayment, repayment, purchase repurchase, redemption, retirement,
     defeasance or other acquisition for value shall be excluded in the
     calculation of the amount of Restricted Payments;

         (iii) any prepayment, repayment, purchase, repurchase, redemption,
     retirement, defeasance or other acquisition for value of Subordinated
     Obligations from Net Available Cash to the extent permitted by Section
     4.06; PROVIDED, HOWEVER, that such prepayment, repayment, purchase,
     repurchase, redemption, retirement, defeasance or other acquisition for
     value shall be excluded in the calculation of the amount of Restricted
     Payments;

         (iv) dividends paid within 60 days after the date of declaration
     thereof if at such date of declaration such dividends would have complied
     with Section 4.04(a); PROVIDED, HOWEVER, that such dividends shall be
     included in the calculation of the amount of Restricted Payments;

         (v) any purchase, repurchase, redemption, retirement or other
     acquisition for value of shares of, or options to purchase shares of,
     common stock of the Company or any of its Subsidiaries from employees,
     former employees, directors or former directors of the Company or any of
     its Subsidiaries (or permitted transferees of such employees, former
     employees, directors or former directors), pursuant to the terms of
     agreements (including employment agreements) or plans (or amendments
     thereto) approved by the Board of Directors under which such individuals
     purchase or sell or are granted the option to purchase or sell, shares of
     such common stock; PROVIDED, HOWEVER, that the aggregate amount of such
     purchases, repurchases, redemptions, retirements and other acquisitions for
     value shall not exceed $10,000,000 in any calendar year; PROVIDED FURTHER,
     HOWEVER, that such purchases, repurchases, redemptions, retirements and
     other acquisitions for value shall be included in the calculation of the
     amount of Restricted Payments; or

         (vi) other Restricted Payments in an aggregate amount not to exceed
     $35,000,000; PROVIDED, HOWEVER, that such Restricted Payments shall be
     excluded from the calculation of the amount of Restricted Payments.

         SECTION 4.05. LIMITATION ON RESTRICTIONS ON DISTRIBUTIONS FROM
RESTRICTED SUBSIDIARIES. The Company shall not, and shall not permit any
Restricted Subsidiary to, create or otherwise cause or permit to exist or become
effective any consensual encumbrance or

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                                                                              34

restriction on the ability of any Restricted Subsidiary to (a) pay dividends or
make any other distributions on its Capital Stock or pay any Indebtedness or
other obligations owed to the Company, (b) make any loans or advances to the
Company or (c) transfer any of its property or assets to the Company, except:

         (i) any encumbrance or restriction pursuant to applicable law or an
     agreement in effect at or entered into on the Closing Date;

         (ii) any encumbrance or restriction with respect to a Restricted
     Subsidiary pursuant to an agreement relating to any Indebtedness Incurred
     by such Restricted Subsidiary prior to the date on which such Restricted
     Subsidiary was acquired by the Company (other than Indebtedness Incurred as
     consideration in, in contemplation of, or to provide all or any portion of
     the funds or credit support utilized to consummate, the transaction or
     series of related transactions pursuant to which such Restricted Subsidiary
     became a Restricted Subsidiary or was otherwise acquired by the Company)
     and outstanding on such date;

         (iii) any encumbrance or restriction pursuant to an agreement effecting
     a Refinancing of Indebtedness Incurred pursuant to an agreement referred to
     in clause (c) (i) or (c) (ii) of this Section 4.05 or this clause (iii) or
     contained in any amendment to an agreement referred to in clause (c)(i) or
     (c)(ii) of this Section 4.05 or this clause (iii); PROVIDED, HOWEVER, that
     the encumbrances and restrictions contained in any such Refinancing
     agreement or amendment are no less favorable to the Holders than the
     encumbrances and restrictions contained in such predecessor agreements;

         (iv) in the case of clause (c), any encumbrance or restriction (1) that
     restricts in a customary manner the subletting, assignment or transfer of
     any property or asset that is subject to a lease, license or similar
     contract or (2) contained in security agreements or mortgages securing
     Indebtedness of a Restricted Subsidiary to the extent such encumbrance or
     restriction restricts the transfer of the property subject to such security
     agreements or mortgages;

         (v) any encumbrance or restriction on cash or other deposits or net
     worth imposed by customers under contracts entered into in the ordinary
     course of business;

         (vi) with respect to a Restricted Subsidiary, any restriction imposed
     pursuant to an agreement entered into for the sale or disposition of all or
     substantially all the Capital Stock or assets of such Restricted Subsidiary
     pending the closing of such sale or disposition; or

         (vii) with respect to a joint venture agreement or similar agreement
     relating to the Radford Joint Venture, customary provisions found in joint
     venture agreements and other similar agreements to the extent such
     encumbrance and restriction relates to the activities and assets of the
     Radford Joint Venture or any Subsidiary thereof; PROVIDED that the Radford
     Joint Venture or any Subsidiary thereof shall not be subject to any
     encumbrance or restriction limiting the ability of the Radford Joint
     Venture or any Subsidiary thereof to pay dividends or make any other
     distributions on its Capital Stock or pay any Indebtedness or other
     obligations owed to the Company or any other Restricted Subsidiary.

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                                                                              35

         SECTION 4.06. LIMITATION ON SALES OF ASSETS AND SUBSIDIARY STOCK. (a)
The Company shall not, and shall not permit any Restricted Subsidiary to, make
any Asset Disposition unless (i) the Company or such Restricted Subsidiary
receives consideration (including by way of relief from, or by any other Person
assuming sole responsibility for, any liabilities, contingent or otherwise) at
the time of such Asset Disposition at least equal to the Fair Market Value of
the shares and assets subject to such Asset Disposition, (ii) at least 75% of
the consideration thereof received by the Company or such Restricted Subsidiary
is in the form of cash, assets useful in a Permitted Business or Permitted
Securities; PROVIDED that the amount of any Designated Noncash Consideration
received by the Company or any of its Restricted Subsidiaries in such Asset
Disposition shall be deemed cash for the purposes of this provision (but for no
other purpose) so long as such amount, taken together with the Fair Market Value
when received of all other Designated Noncash Consideration that is at that time
outstanding (I.E., that has not been sold for or otherwise converted into cash),
does not exceed $25,000,000, and (iii) an amount equal to 100% of the Net
Available Cash from such Asset Disposition is applied by the Company (or such
Restricted Subsidiary, as the case may be) within 360 days after the later of
the date of such Asset Disposition or the receipt of such Net Available Cash:
(1) FIRST, to the extent the Company elects (or is required by the terms of any
Indebtedness), to prepay, repay, purchase, repurchase, redeem, retire, defease
or otherwise acquire for value Senior Indebtedness of the Company or
Indebtedness (other than obligations in respect of Preferred Stock) of a
Subsidiary Guarantor (in each case other than Indebtedness owed to the Company
or an Affiliate of the Company and other than obligations in respect of
Disqualified Stock); (2) SECOND, to the extent of the balance of Net Available
Cash after application, in accordance with clause (1), to the extent the Company
or such Restricted Subsidiary elects, to reinvest in Additional Assets
(including by means of an Investment in Additional Assets by a Restricted
Subsidiary with Net Available Cash received by the Company or another Restricted
Subsidiary); (3) THIRD, to the extent of the balance of such Net Available Cash
after application in accordance with clauses (1) and (2), to make an Offer (as
defined in Section 4.06(b)) to purchase Securities pursuant to and subject to
the conditions of Section 4.06(b); PROVIDED, HOWEVER, that if the Company elects
(or is required by the terms of any Senior Subordinated Indebtedness), such
Offer may be made ratably to purchase the Securities and other Senior
Subordinated Indebtedness of the Company, and (4) FOURTH, to the extent of the
balance of such Net Available Cash after application in accordance with clauses
(1), (2) and (3), for any general corporate purpose not prohibited by the terms
of this Indenture; PROVIDED, HOWEVER, that in connection with any prepayment,
repayment, purchase, repurchase, redemption, retirement defeasance or other
acquisition for value of Indebtedness pursuant to clause (1) or (3) above, the
Company or such Restricted Subsidiary shall retire such Indebtedness and shall
cause the related loan commitment (if any) to be permanently reduced in an
amount equal to the principal amount so prepaid, repaid, purchased, repurchased,
redeemed, retired, defeased or otherwise acquired for value. Notwithstanding the
foregoing provisions of this Section 4.06, the Company and the Restricted
Subsidiaries shall not be required to apply any Net Available Cash in accordance
with this Section 4.06(a) except to the extent that the aggregate Net Available
Cash from all Asset Dispositions that is not applied in accordance with this
Section 4.06(a) exceeds $10,000,000.

         For the purposes of this Section 4.06, the following are deemed to be
cash: (A) the assumption of Indebtedness of the Company (other than obligations
in respect of Disqualified Stock of the Company) or any Restricted Subsidiary
(other than obligations in respect of Disqualified Stock and Preferred Stock of
a Restricted Subsidiary that is a Subsidiary Guarantor) and the release of the
Company or such Restricted Subsidiary from all liability on such Indebtedness in
connection with such Asset Disposition and (B) securities

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                                                                              36

received by the Company or any Restricted Subsidiary from the transferee that
are promptly converted by the Company or such Restricted Subsidiary into cash.

         (b) In the event of an Asset Disposition that requires the purchase of
Securities (and other Senior Subordinated Indebtedness) pursuant to Section
4.06(a)(iii)(3), the Company shall be required to purchase Securities (and other
Senior Subordinated Indebtedness) tendered pursuant to an offer by the Company
for the Securities (and other Senior Subordinated Indebtedness) (the "Offer") at
a purchase price of 100% of their principal amount plus accrued and unpaid
interest and liquidated damages thereon, if any, to the date of purchase
(subject to the right of Holders of record on the relevant record date to
receive interest due on the relevant interest payment date) in accordance with
the procedures (including prorating in the event of oversubscription) set forth
in Section 4.06(c). If the aggregate purchase price of Securities (and other
Senior Subordinated Indebtedness) tendered pursuant to the Offer is less than
the Net Available Cash allotted to the purchase of the Securities (and other
Senior Subordinated Indebtedness), the Company shall apply the remaining Net
Available Cash in accordance with Section 4.06(a)(iii)(4). The Company shall not
be required to make an Offer for Securities (and other Senior Subordinated
Indebtedness) pursuant to this Section 4.06 if the Net Available Cash available
therefor (after application of the proceeds as provided in clauses (1) and (2)
of Section 4.06(a)(iii)) is less than $10,000,000 for any particular Asset
Disposition (which lesser amount shall be carried forward for purposes of
determining whether an Offer is required with respect to the Net Available Cash
from any subsequent Asset Disposition).

         (c) (i) Promptly, and in any event within 10 days after the Company
becomes obligated to make an Offer, the Company shall be obligated to deliver to
the Trustee and send or, at the request of the Company have the Trustee send, in
the name and on behalf of the Company, by first-class mail to each Holder, a
written notice stating that the Holder may elect to have his Securities
purchased by the Company either in whole or in part (subject to prorating as
hereinafter described in the event the Offer is oversubscribed) in integral
multiples of $1,000 of principal amount, at the applicable purchase price. The
notice shall specify a purchase date not less than 30 days nor more than 60 days
after the date of such notice (the "Purchase Date") and shall contain such
information concerning the business of the Company which the Company in good
faith believes will enable such Holders to make an informed decision (which at a
minimum shall include (1) the most recently filed Annual Report on Form 10-K
(including audited consolidated financial statements) of the Company, the most
recent subsequently filed Quarterly Report on Form 10-Q and any Current Report
on Form 8-K of the Company filed subsequent to such Quarterly Report, other than
Current Reports describing Asset Dispositions otherwise described in the
offering materials (or corresponding successor reports); PROVIDED that in lieu
of providing the reports specified in this clause (1), the Company may, at its
option, notify the holders that such reports are available to them in electronic
format through the SEC's EDGAR system, (2) a description of material
developments in the Company's business subsequent to the date of the latest of
such reports, and (3) if material, appropriate pro forma financial information)
and all instructions and materials necessary to tender Securities pursuant to
the Offer, together with the address referred to in clause (iii).

         (ii) Not later than the date upon which written notice of an Offer is
delivered to the Trustee as provided above, the Company shall deliver to the
Trustee an Officers' Certificate as to (1) the amount of the Offer (the "Offer
Amount"), (2) the allocation of the Net Available Cash from the Asset
Dispositions pursuant to which such Offer is being made and (3) the compliance
of such allocation with the provisions of Section 4.06(a). On such date, the
Company shall also irrevocably deposit with the Trustee or with a paying agent
(or, if the

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                                                                              37

Company is acting as its own paying agent, segregate and hold in trust) an
amount equal to the Offer Amount to be invested in Temporary Cash Investments
and to be held for payment in accordance with the provisions of this Section.
Upon the expiration of the period for which the Offer remains open (the "Offer
Period"), the Company shall deliver to the Trustee for cancelation the
Securities or portions thereof that have been properly tendered to and are to be
accepted by the Company. The Trustee (or the Paying Agent, if not the Trustee)
shall, on the date of purchase, mail or deliver payment to each tendering Holder
in the amount of the purchase price. In the event that the Offer Amount
delivered by the Company to the Trustee is greater than the purchase price of
the Securities (and other Senior Subordinated Indebtedness) tendered, the
Trustee shall deliver the excess to the Company promptly after the expiration of
the Offer Period for application in accordance with this Section 4.06.

         (iii) Holders electing to have a Security purchased shall be required
to surrender the Security, with an appropriate form duly completed, to the
Company at the address specified in the notice at least three Business Days
prior to the Purchase Date. Holders shall be entitled to withdraw their election
if the Trustee or the Company receives not later than one Business Day prior to
the Purchase Date, a facsimile transmission or letter setting forth the name of
the Holder, the principal amount of the Security which was delivered by the
Holder for purchase and a statement that such Holder is withdrawing his election
to have such Security purchased. If at the expiration of the Offer Period the
aggregate principal amount of Securities and any other Senior Subordinated
Indebtedness included in the Offer surrendered by holders thereof exceeds the
Offer Amount, the Company shall select the Securities and other Senior
Subordinated Indebtedness to be purchased on a pro rata basis (with such
adjustments as may be deemed appropriate by the Company so that only Securities
and other Senior Subordinated Indebtedness in denominations of $1,000, or
integral multiples thereof, shall be purchased). Holders whose Securities are
purchased only in part will be issued new Securities equal in principal amount
to the unpurchased portion of the Securities surrendered.

         (iv) At the time the Company delivers Securities to the Trustee which
are to be accepted for purchase, the Company shall also deliver an Officers'
Certificate stating that such Securities are to be accepted by the Company
pursuant to and in accordance with the terms of this Section. A Security shall
be deemed to have been accepted for purchase at the time the Trustee, directly
or through an agent, mails or delivers payment therefor to the surrendering
Holder.

         (v) The Company shall comply, to the extent applicable, with the
requirements of Section 14(e) of the Exchange Act and any other securities laws
or regulations in connection with the repurchase of Securities pursuant to this
Section. To the extent that the provisions of any securities laws or regulations
conflict with provisions of this Section, the Company shall comply with the
applicable securities laws and regulations and shall not be deemed to have
breached its obligations under this Section by virtue thereof.

         SECTION 4.07. LIMITATION ON TRANSACTIONS WITH AFFILIATES. (a) The
Company shall not, and shall not permit any Restricted Subsidiary to, directly
or indirectly, enter into or conduct any transaction or series of related
transactions (including, the purchase, sale, lease or exchange of any property
or the rendering of any service) with any Affiliate of the Company (an
"Affiliate Transaction") unless such Affiliate Transaction is on terms (i) that
are no less favorable to the Company or such Restricted Subsidiary, as the case
may be, than those that could be obtained at the time of such transaction in
arm's-length dealings with a Person who is not such an Affiliate, (ii) that, in
the event that such Affiliate Transaction involves an aggregate amount in excess
of $5,000,000, (1) are set forth in writing and (2) have been approved by a
majority of

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                                                                              38

the members of the Board of Directors having no personal stake in such Affiliate
Transaction and (iii) that, in the event that such Affiliate Transaction
involves an amount in excess of $15,000,000, have been determined by a
nationally recognized appraisal or investment banking firm to be fair, from a
financial standpoint, to the Company and its Restricted Subsidiaries.

         (b) The provisions of Section 4.07(a) shall not prohibit (i) any
Restricted Payment permitted to be paid pursuant to Section 4.04, (ii) any
issuance of securities, or other payments, awards or grants in cash, securities
or otherwise pursuant to, or the funding of, employment arrangements,
indemnification agreements, stock options and stock ownership plans approved by
the Board of Directors, (iii) the grant of stock options or similar rights to
employees and directors of the Company pursuant to plans approved by the Board
of Directors, (iv) loans or advances to employees in the ordinary course of
business in accordance with past practices of the Company, but in any event not
to exceed $2,000,000 in the aggregate outstanding at any one time, (v) the
payment of reasonable fees to directors of the Company and its Subsidiaries who
are not employees of the Company or its Subsidiaries, (vi) any transaction
between the Company and a Restricted Subsidiary or between Restricted
Subsidiaries, or by the Company for the benefit of a Restricted Subsidiary, or
(vii) the provision by Persons who may be deemed Affiliates of the Company of
investment advisory services to the Company or its Restricted Subsidiaries with
respect to the Company's or its Restricted Subsidiaries' employee benefit plans.

         SECTION 4.08. CHANGE OF CONTROL. (a) Upon a Change of Control, each
Holder shall have the right to require that the Company purchase all or any part
of such Holder's Securities at a purchase price in cash equal to 101% of the
principal amount thereof plus accrued and unpaid interest and liquidated
damages, if any, to the date of purchase (subject to the right of Holders of
record on the relevant record date to receive interest and liquidated damages,
if any, due on the relevant interest payment date), in accordance with the terms
contemplated in Section 4.08(b); PROVIDED, HOWEVER, that notwithstanding the
occurrence of a Change of Control, the Company shall not be obligated to
purchase the Securities pursuant to this Section 4.08 in the event that it has
exercised its right to redeem all the Securities under paragraph 5 of the
Securities. In the event that at the time of such Change of Control the terms of
the Bank Indebtedness restrict or prohibit the repurchase of Securities pursuant
to this Section 4.08, then prior to the mailing of the notice to Holders
provided for in Section 4.08(b) below but in any event within 45 days following
any Change of Control, the Company shall (i) repay in full all Bank Indebtedness
or, if doing so will allow the repurchase of Securities, offer to repay in full
all Bank Indebtedness and repay the Bank Indebtedness of each lender who has
accepted such offer or (ii) obtain the requisite consent under the agreements
governing the Bank Indebtedness to permit the repurchase of the Securities as
provided for in Section 4.08(b).

         (b) Within 45 days following any Change of Control (except as provided
in the proviso to the first sentence of Section 4.08(a)), the Company shall mail
a notice to each Holder with a copy to the Trustee (the "Change of Control
Offer") stating:

         (i) that a Change of Control has occurred and that such Holder has the
     right to require the Company to purchase all or a portion of such Holder's
     Securities at a purchase price in cash equal to 101% of the principal
     amount thereof, plus accrued and unpaid interest and liquidated damages, if
     any, to the date of purchase (subject to the right of Holders of record on
     the relevant record date to receive interest and liquidated damages, if
     any, on the relevant interest payment date);

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                                                                              39

         (ii) the circumstances and relevant facts and financial information
     regarding such Change of Control;

         (iii) the purchase date (which shall be no earlier than 30 days nor
     later than 60 days from the date such notice is mailed); and

         (iv) the instructions determined by the Company, consistent with this
     Section, that a Holder must follow in order to have its Securities
     purchased.

         (c) Holders electing to have a Security purchased shall be required to
surrender the Security, with an appropriate form duly completed, to the Company
at the address specified in the notice at least three Business Days prior to the
purchase date. Holders shall be entitled to withdraw their election if the
Trustee or the Company receives not later than one Business Day prior to the
purchase date a facsimile transmission or letter setting forth the name of the
Holder, the principal amount of the Security which was delivered for purchase by
the Holder and a statement that such Holder is withdrawing his election to have
such Security purchased. Holders whose Securities are purchased only in part
shall be issued new Securities equal in principal amount to the unpurchased
portion of the Securities surrendered.

         (d) On the purchase date, all Securities purchased by the Company under
this Section shall be delivered to the Trustee for cancelation, and the Company
shall pay the purchase price plus accrued and unpaid interest and liquidated
damages, if any, to the Holders entitled thereto.

         (e) Notwithstanding the foregoing provisions of this Section, the
Company shall not be required to make a Change of Control Offer upon a Change of
Control if a third party makes the Change of Control Offer in the manner, at the
times and otherwise in compliance with the requirements set forth in Section
4.08(b) applicable to a Change of Control Offer made by the Company and
purchases all Securities validly tendered and not withdrawn under such Change of
Control Offer.

         (f) At the time the Company delivers Securities to the Trustee which
are to be accepted for purchase, the Company shall also deliver an Officers'
Certificate stating that such Securities are to be accepted by the Company
pursuant to and in accordance with the terms of this Section 4.08. A Security
shall be deemed to have been accepted for purchase at the time the Trustee,
directly or through an agent, mails or delivers payment therefor to the
surrendering Holder.

         (g) Prior to any Change of Control Offer, the Company shall deliver to
the Trustee an Officers' Certificate stating that all conditions precedent
contained herein to the right of the Company to make such offer have been
complied with.

         (h) The Company shall comply, to the extent applicable, with the
requirements of Section 14(e) of the Exchange Act and any other securities laws
or regulations in connection with the repurchase of Securities pursuant to this
Section. To the extent that the provisions of any securities laws or regulations
conflict with provisions of this Section, the Company shall comply with the
applicable securities laws and regulations and shall not be deemed to have
breached its obligations under this Section by virtue thereof.

         SECTION 4.09. COMPLIANCE CERTIFICATE. The Company shall deliver to the
Trustee within 120 days after the end of each fiscal year of the Company an
Officers'

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                                                                              40

Certificate, one of the signers of which shall be the principal executive,
principal financial or principal accounting officer of the Company stating that
in the course of the performance by the signers of their duties as Officers of
the Company they would normally have knowledge of any Default and whether or not
the signers know of any Default that occurred during such period. If they do,
the certificate shall describe the Default, its status and what action the
Company is taking or proposes to take with respect thereto. The Company also
shall comply with Section 314(a)(4) of the TIA.

         SECTION 4.10. FURTHER INSTRUMENTS AND ACTS. Upon request of the
Trustee, the Company shall execute and deliver such further instruments and do
such further acts as may be reasonably necessary or proper to carry out more
effectively the purpose of this Indenture.

         SECTION 4.11. FUTURE SUBSIDIARY GUARANTORS. The Company shall cause
each Domestic Subsidiary (other than Alliant Assurance Ltd. and the proposed
Radford Joint Venture or any Subsidiary thereof) to become a Subsidiary
Guarantor, and, if applicable, execute and deliver to the Trustee a supplemental
indenture substantially in the form of Exhibit C pursuant to which such
Subsidiary will Guarantee payment of the Securities. Each Subsidiary Guarantee
shall be limited to an amount not to exceed the maximum amount that can be
Guaranteed by that Subsidiary Guarantor without rendering the Subsidiary
Guarantee, as it relates to such Subsidiary, voidable under applicable law
relating to fraudulent conveyance or fraudulent transfer or similar laws
affecting the rights of creditors generally.

         SECTION 4.12. LIMITATION ON LINES OF BUSINESS. The Company shall not,
and shall not permit any Restricted Subsidiary to, engage in any business, other
than a Permitted Business.

         SECTION 4.13. LIMITATION ON THE SALE OR ISSUANCE OF CAPITAL STOCK OF
RESTRICTED SUBSIDIARIES. The Company shall not sell or otherwise dispose of any
shares of Capital Stock of a Restricted Subsidiary, and shall not permit any
Restricted Subsidiary, directly or indirectly, to issue or sell or otherwise
dispose of any shares of its Capital Stock except: (a) to the Company or a
Subsidiary Guarantor (other than the Defense JV Subsidiaries); (b) if,
immediately after giving effect to such issuance, sale or other disposition,
neither the Company nor any of its Subsidiaries own any Capital Stock of such
Restricted Subsidiary or (c) if, immediately after giving effect to such
issuance or sale, such Restricted Subsidiary would no longer constitute a
Restricted Subsidiary and any Investment in such Person remaining after giving
effect thereto would have been permitted to be made under Section 4.04 if made
on the date of such issuance, sale or other disposition (and such Investment
shall be deemed to be an Investment for the purposes of such covenant). The
proceeds of any sale of such Capital Stock permitted hereby shall be treated as
Net Available Cash from an Asset Disposition and shall be applied in accordance
with Section 4.06.

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                                                                              41

                                    ARTICLE 5

                                SUCCESSOR COMPANY

         SECTION 5.01. (a) WHEN COMPANY MAY MERGE OR TRANSFER ASSETS. The
Company shall not consolidate with or merge with or into, or convey, transfer or
lease all or substantially all its assets to, any Person, unless:

         (i) the resulting, surviving or transferee Person (the "Successor
     Company") shall be a corporation organized and existing under the laws of
     the United States of America, any State thereof or the District of Columbia
     and the Successor Company (if not the Company) shall expressly assume, by a
     supplemental indenture hereto, executed and delivered to the Trustee, in
     form reasonably satisfactory to the Trustee, all the obligations of the
     Company under the Securities and this Indenture;

         (ii) immediately after giving effect to such transaction (and treating
     any Indebtedness which becomes an obligation of the Successor Company or
     any Restricted Subsidiary as a result of such transaction as having been
     Incurred by the Successor Company or such Restricted Subsidiary at the time
     of such transaction), no Default shall have occurred and be continuing;

         (iii) immediately after giving effect to such transaction, the
     Successor Company would have a Consolidated Coverage Ratio equal to or
     greater than the Consolidated Coverage Ratio of the Company immediately
     prior to such transaction or would be able to Incur an additional $1.00 of
     Indebtedness pursuant to Section 4.03(a);

         (iv) immediately after giving effect to such transaction, the Successor
     Company shall have Consolidated Net Worth in an amount which is not less
     than the Consolidated Net Worth of the Company immediately prior to such
     transaction;

         (v) the Company shall have delivered to the Trustee an Officers'
     Certificate and an Opinion of Counsel, each stating that such
     consolidation, merger or transfer and such supplemental indenture (if any)
     comply with this Indenture; and

         (vi) the Company shall have delivered to the Trustee an Opinion of
     Counsel to the effect that the Holders will not recognize income, gain or
     loss for Federal income tax purposes as a result of such transaction and
     will be subject to Federal income tax on the same amounts, in the same
     manner and at the same times as would have been the case if such
     transaction had not occurred.

         The Successor Company shall succeed to, and be substituted for, and may
exercise every right and power of, the Company under this Indenture, but the
predecessor Company in the case of a conveyance, transfer or lease of all or
substantially all its assets shall not be released from the obligation to pay
the principal of and interest on the Securities.

         (b) The Company shall not permit any Subsidiary Guarantor to
consolidate with or merge with or into, or convey, transfer or lease all or
substantially all of its assets to any Person unless: (i) the resulting,
surviving or transferee Person (the "Successor Guarantor") will be a corporation
organized and existing under the laws of the United States of America, any State
thereof or the District of Columbia, and such Person (if not such Subsidiary
Guarantor) shall expressly assume, by a supplemental indenture, executed and
delivered to the Trustee, in

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                                                                              42

form reasonably satisfactory to the Trustee, all the obligations of such
Subsidiary Guarantor under its Subsidiary Note Guarantee; (ii) immediately after
giving effect to such transaction (and treating any Indebtedness which becomes
an obligation of the Successor Guarantor or any Restricted Subsidiary as a
result of such transaction as having been Incurred by such Person or such
Restricted Subsidiary at the time of such transaction), no Default shall have
occurred and be continuing; and (iii) the Company shall have delivered to the
Trustee an Officers' Certificate and an Opinion of Counsel, each stating that
such consolidation, merger or transfer and such supplemental indenture (if any)
comply with this Indenture.

         The Successor Guarantor will succeed to, and be substituted for, and
may exercise every right and power of, such Subsidiary Guarantor under this
Indenture, but the predecessor Subsidiary Guarantor in the case of conveyance,
transfer or lease of all or substantially all its assets will not be released
from the obligation to pay the principal of and interest on the Securities.

         (c) Notwithstanding the foregoing, (i) any Restricted Subsidiary may
consolidate with, merge into or transfer all or part of its properties and
assets to the Company or any Subsidiary Guarantor and (ii) the Company may merge
with an Affiliate incorporated solely for the purpose of reincorporating the
Company in another jurisdiction to realize tax or other benefits.

                                    ARTICLE 6

                              DEFAULTS AND REMEDIES

         SECTION 6.01. EVENTS OF DEFAULT. An "Event of Default" occurs if:

         (a) the Company defaults in any payment of interest on any Security
     when the same becomes due and payable or in any payment of liquidated
     damages, whether or not such payment shall be prohibited by Article 10, and
     such default continues for a period of 30 days;

         (b) the Company defaults in the payment of the principal of any
     Security when the same becomes due and payable at its Stated Maturity, upon
     required redemption or repurchase, upon declaration or otherwise, whether
     or not such payment shall be prohibited by Article 10;

         (c) the Company fails to comply with Section 5.01;

         (d) the Company fails to comply with Section 4.02, 4.03, 4.04, 4.05,
     4.06, 4.07, 4.08, 4.11, 4.12 or 4.13 (other than a failure to purchase
     Securities when required under Section 4.06 or 4.08) and such failure
     continues for 30 days after the notice specified below;

         (e) the Company or any Restricted Subsidiary fails to comply with any
     of its agreements in the Securities or this Indenture (other than those
     referred to in (a), (b), (c) or (d) above) and such failure continues for
     60 days after the notice specified below;

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                                                                              43

         (f) Indebtedness of the Company or any Subsidiary is not paid within
     any applicable grace period after final maturity or the acceleration by the
     holders thereof because of a default and the total amount of such
     Indebtedness unpaid or accelerated exceeds $10,000,000 or its foreign
     currency equivalent at the time and such failure continues for 10 days
     after the notice specified below;

         (g) the Company or any Significant Subsidiary pursuant to or within the
     meaning of any Bankruptcy Law:

               (i) commences a voluntary case;

               (ii) consents to the entry of an order for relief against it in
         an involuntary case;

               (iii) consents to the appointment of a Custodian of it or for any
         substantial part of its property; or

               (iv) makes a general assignment for the benefit of its creditors;

     or takes any comparable action under any foreign laws relating to
     insolvency;

         (h) a court of competent jurisdiction enters an order or decree under
     any Bankruptcy Law that:

               (i) is for relief against the Company or any Significant
         Subsidiary in an involuntary case;

               (ii) appoints a Custodian of the Company or any Significant
         Subsidiary or for any substantial part of its property; or

               (iii) orders the winding up or liquidation of the Company or any
         Significant Subsidiary;

     or any similar relief is granted under any foreign laws and the order or
     decree remains unstayed and in effect for 60 days;

         (i) any judgment or decree for the payment of money in excess of
     $10,000,000 or its foreign currency equivalent (in excess of the amount for
     which liability for payment has been acknowledged by a solvent third party
     insurer) against the Company or any Restricted Subsidiary and either (i) an
     enforcement proceeding has been commenced by any creditor upon such
     judgment or decree or (ii) there is a period of 90 days following the entry
     of such judgment or decree during which such judgment or decree is not
     discharged, waived or the execution thereof stayed; or

         (j) any Subsidiary Guarantee of a Subsidiary Guarantor holding more
     than 5% of the Company's Consolidated assets or generating more than 5% of
     the Company's Consolidated sales or net income as of and for the twelve
     months ended on the end of the most recent fiscal quarter for which
     financial statements are publicly available ceases to be in full force and
     effect (except as contemplated by the terms thereof) or any such Subsidiary
     Guarantor or Person acting by or on behalf of any such Subsidiary Guarantor
     denies or disaffirms such Subsidiary Guarantor's obligations under this

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                                                                              44

     Indenture or any Subsidiary Guarantee and such Default continues for 10
     days after the notice specified below.

         The foregoing shall constitute Events of Default whatever the reason
for any such Event of Default and whether it is voluntary or involuntary or is
effected by operation of law or pursuant to any judgment, decree or order of any
court or any order, rule or regulation of any administrative or governmental
body.

         The term "Bankruptcy Law" means Title 11, UNITED STATES CODE, or any
similar Federal or state law for the relief of debtors. The term "Custodian"
means any receiver, trustee, assignee, liquidator, custodian or similar official
under any Bankruptcy Law.

         A Default under clause (d), (e) or (f) above is not an Event of Default
until the Trustee notifies the Company or the Holders of at least 25% in
principal amount of the outstanding Securities notify the Company and the
Trustee of the Default and the Company or the Subsidiary Guarantor, as
applicable, does not cure such Default within the time specified after receipt
of such notice. Such notice must specify the Default, demand that it be remedied
and state that such notice is a "Notice of Default".

         The Company shall deliver to the Trustee, within 30 days after the
occurrence thereof, written notice in the form of an Officers' Certificate of
any event which is, or with the giving of notice or the lapse of time or both
would become, an Event of Default, its status and what action the Company is
taking or proposes to take with respect thereto.

         SECTION 6.02. ACCELERATION. If an Event of Default (other than an Event
of Default specified in Section 6.01(g) or (h) with respect to the Company)
occurs and is continuing, the Trustee by notice to the Company and the Trustee,
or the Holders of at least 25% in principal amount of the outstanding Securities
by notice to the Company, may declare the principal of and accrued but unpaid
interest on all the Securities to be due and payable. Upon such a declaration,
such principal and interest shall be due and payable immediately. If an Event of
Default specified in Section 6.01(g) or (h) with respect to the Company occurs,
the principal of and interest on all the Securities shall IPSO FACTO become and
be immediately due and payable without any declaration or other act on the part
of the Trustee or any Holders. The Holders of a majority in principal amount of
the Securities by notice to the Trustee may rescind an acceleration and its
consequences if the rescission would not conflict with any judgment or decree
and if all existing Events of Default have been cured or waived except
nonpayment of principal or interest that has become due solely because of
acceleration. No such rescission shall affect any subsequent Default or impair
any right consequent thereto.

         SECTION 6.03. OTHER REMEDIES. If an Event of Default occurs and is
continuing, the Trustee may pursue any available remedy to collect the payment
of principal of or interest on the Securities or to enforce the performance of
any provision of the Securities or this Indenture.

         The Trustee may maintain a proceeding even if it does not possess any
of the Securities or does not produce any of them in the proceeding. A delay or
omission by the Trustee or any Holder in exercising any right or remedy accruing
upon an Event of Default shall not impair the right or remedy or constitute a
waiver of or acquiescence in the Event of Default. No remedy is exclusive of any
other remedy. All available remedies are cumulative.

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                                                                              45

         SECTION 6.04. WAIVER OF PAST DEFAULTS. The Holders of a majority in
principal amount of the Securities by notice to the Trustee may waive an
existing Default and its consequences except (a) a Default in the payment of the
principal of or interest on a Security, (b) a Default arising from the failure
to redeem or purchase any Security when required pursuant to the terms of this
Indenture or (c) a Default in respect of a provision that under Section 9.02
cannot be amended without the consent of each Holder affected. When a Default is
waived, it is deemed cured, but no such waiver shall extend to any subsequent or
other Default or impair any consequent right.

         SECTION 6.05. CONTROL BY MAJORITY. The Holders of a majority in
principal amount of the Securities may direct the time, method and place of
conducting any proceeding for any remedy available to the Trustee or of
exercising any trust or power conferred on the Trustee. However, the Trustee may
refuse to follow any direction that conflicts with law or this Indenture or,
subject to Section 7.01, that the Trustee determines is unduly prejudicial to
the rights of other Holders or would involve the Trustee in personal liability;
PROVIDED, HOWEVER, that the Trustee may take any other action deemed proper by
the Trustee that is not inconsistent with such direction. Prior to taking any
action hereunder, the Trustee shall be entitled to indemnification satisfactory
to it in its sole discretion against all losses and expenses caused by taking or
not taking such action.

         SECTION 6.06. LIMITATION ON SUITS. (a) Except to enforce the right to
receive payment of principal, premium (if any) or interest when due, no Holder
may pursue any remedy with respect to this Indenture or the Securities unless:

         (i) the Holder gives to the Trustee written notice stating that an
     Event of Default is continuing;

         (ii) the Holders of at least 25% in principal amount of the Securities
     make a written request to the Trustee to pursue the remedy;

         (iii) such Holder or Holders offer to the Trustee security or indemnity
     reasonably satisfactory to it against any loss, liability or expense;

         (iv) the Trustee does not comply with the request within 60 days after
     receipt of the request and the offer of security or indemnity; and

         (v) the Holders of a majority in principal amount of the Securities do
     not give the Trustee a direction inconsistent with the request during such
     60-day period.

         (b) A Holder may not use this Indenture to prejudice the rights of
another Holder or to obtain a preference or priority over another Holder.

         SECTION 6.07. RIGHTS OF HOLDERS TO RECEIVE PAYMENT. Notwithstanding any
other provision of this Indenture, the right of any Holder to receive payment of
principal of and liquidated damages and interest on the Securities held by such
Holder, on or after the respective due dates expressed or provided for in the
Securities, or to bring suit for the enforcement of any such payment on or after
such respective dates, shall not be impaired or affected without the consent of
such Holder.

         SECTION 6.08. COLLECTION SUIT BY TRUSTEE. If an Event of Default
specified in Section 6.01(a) or (b) occurs and is continuing, the Trustee may
recover judgment in its own

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                                                                              46

name and as trustee of an express trust against the Company or any other obligor
on the Securities for the whole amount then due and owing (together with
interest on overdue principal and (to the extent lawful) on any unpaid interest
at the rate provided for in the Securities) and the amounts provided for in
Section 7.07.

         SECTION 6.09. TRUSTEE MAY FILE PROOFS OF CLAIM. The Trustee may file
such proofs of claim and other papers or documents as may be necessary or
advisable in order to have the claims of the Trustee and the Holders allowed in
any judicial proceedings relative to the Company, any Subsidiary or Subsidiary
Guarantor, their creditors or their property and, unless prohibited by law or
applicable regulations, may vote on behalf of the Holders in any election of a
trustee in bankruptcy or other Person performing similar functions, and any
Custodian in any such judicial proceeding is hereby authorized by each Holder to
make payments to the Trustee and, in the event that the Trustee shall consent to
the making of such payments directly to the Holders, to pay to the Trustee any
amount due it for the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and its counsel, and any other amounts due
the Trustee under Section 7.07.

         SECTION 6.10. PRIORITIES. If the Trustee collects any money or property
pursuant to this Article 6, it shall pay out the money or property in the
following order:

         FIRST: to the Trustee for amounts due under Section 7.07;

         SECOND: to holders of Senior Indebtedness of the Company to the extent
     required by Article 10 and to holders of Senior Indebtedness of the
     Subsidiary Guarantors to the extent required by Article 12;

         THIRD: to Holders for amounts due and unpaid on the Securities for
     principal and interest and any liquidated damages, ratably, without
     preference or priority of any kind, according to the amounts due and
     payable on the Securities for principal, interest and any liquidated
     damages, respectively; and

         FOURTH: to the Company.

         The Trustee may fix a record date and payment date for any payment to
Holders pursuant to this Section. At least 15 days before such record date, the
Trustee shall mail to each Holder and the Company a notice that states the
record date, the payment date and amount to be paid.

         SECTION 6.11. UNDERTAKING FOR COSTS. In any suit for the enforcement of
any right or remedy under this Indenture or in any suit against the Trustee for
any action taken or omitted by it as Trustee, a court in its discretion may
require the filing by any party litigant in the suit of an undertaking to pay
the costs of the suit, and the court in its discretion may assess reasonable
costs, including reasonable attorneys' fees and expenses, against any party
litigant in the suit, having due regard to the merits and good faith of the
claims or defenses made by the party litigant. This Section does not apply to a
suit by the Trustee, a suit by a Holder pursuant to Section 6.07 or a suit by
Holders of more than 25% in principal amount of the Securities.

         SECTION 6.12. WAIVER OF STAY OR EXTENSION LAWS. Neither the Company nor
any Subsidiary Guarantor (to the extent it may lawfully do so) shall at any time
insist upon, or plead, or in any manner whatsoever claim or take the benefit or
advantage of, any stay or extension law wherever enacted, now or at any time
hereafter in force, which may affect the

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                                                                              47

covenants or the performance of this Indenture; and the Company and each
Subsidiary Guarantor (to the extent that it may lawfully do so) hereby expressly
waives all benefit or advantage of any such law, and shall not hinder, delay or
impede the execution of any power herein granted to the Trustee, but shall
suffer and permit the execution of every such power as though no such law had
been enacted.

                                    ARTICLE 7

                                     TRUSTEE

         SECTION 7.01. DUTIES OF TRUSTEE. (a) If an Event of Default has
occurred and is continuing, the Trustee shall exercise the rights and powers
vested in it by this Indenture and use the same degree of care and skill in
their exercise as a prudent person would exercise or use under the circumstances
in the conduct of such person's own affairs.

         (b) Except during the continuance of an Event of Default:

         (i) the Trustee undertakes to perform such duties and only such duties
     as are specifically set forth in this Indenture and no implied covenants or
     obligations shall be read into this Indenture against the Trustee; and

         (ii) in the absence of bad faith on its part, the Trustee may
     conclusively rely, as to the truth of the statements and the correctness of
     the opinions expressed therein, upon certificates or opinions furnished to
     the Trustee and conforming to the requirements of this Indenture. However,
     in the case of any such certificates or opinions which by any provision of
     this Indenture are specifically required to be furnished to the Trustee,
     the Trustee shall examine the certificates and opinions to determine
     whether or not they conform to the requirements of this Indenture.

         (c) The Trustee may not be relieved from liability for its own
negligent action, its own negligent failure to act or its own wilful misconduct,
except that:

         (i) this paragraph does not limit the effect of paragraph (b) of this
     Section;

         (ii) the Trustee shall not be liable for any error of judgment made in
     good faith by a Trust Officer unless it is proved that the Trustee was
     negligent in ascertaining the pertinent facts;

         (iii) the Trustee shall not be liable with respect to any action it
     takes or omits to take in good faith in accordance with a direction
     received by it pursuant to Section 6.05; and

         (iv) no provision of this Indenture shall require the Trustee to expend
     or risk its own funds or otherwise incur financial liability in the
     performance of any of its duties hereunder or in the exercise of any of its
     rights or powers, if it shall have reasonable grounds to believe that
     repayment of such funds or adequate indemnity against such risk or
     liability is not reasonably assured to it.

         (d) Every provision of this Indenture that in any way relates to the
Trustee is subject to paragraphs (a), (b) and (c) of this Section.

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                                                                              48

         (e) The Trustee shall not be liable for interest on any money received
by it except as the Trustee may agree in writing with the Company.

         (f) Money held in trust by the Trustee need not be segregated from
other funds except to the extent required by law.

         (g) Every provision of this Indenture relating to the conduct or
affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section and to the provisions of the TIA.

         SECTION 7.02. RIGHTS OF TRUSTEE. (a) The Trustee may conclusively rely
on any document believed by it to be genuine and to have been signed or
presented by the proper person. The Trustee need not investigate any fact or
matter stated in the document.

         (b) Before the Trustee acts or refrains from acting, it may require an
Officers' Certificate or an Opinion of Counsel. The Trustee shall not be liable
for any action it takes or omits to take in good faith in reliance on the
Officers' Certificate or Opinion of Counsel.

         (c) The Trustee may act through agents and shall not be responsible for
the misconduct or negligence of any agent appointed with due care.

         (d) The Trustee shall not be liable for any action it takes or omits to
take in good faith which it believes to be authorized or within its rights or
powers; PROVIDED, HOWEVER, that the Trustee's conduct does not constitute wilful
misconduct or negligence.

         (e) The Trustee may consult with counsel of its selection, and the
advice or opinion of counsel with respect to legal matters relating to this
Indenture and the Securities shall be full and complete authorization and
protection from liability in respect of any action taken, omitted or suffered by
it hereunder in good faith and in accordance with the advice or opinion of such
counsel.

         (f) The Trustee shall not be bound to make any investigation into the
facts or matters stated in any resolution, certificate, statement, instrument,
opinion, report, notice, request, consent, order, approval, bond, debenture,
note or other paper or document unless requested in writing to do so by the
Holders of not less than a majority in principal amount of the Securities at the
time outstanding, but the Trustee, in its discretion, may make such further
inquiry or investigation into such facts or matters as it may see fit, and, if
the Trustee shall determine to make such further inquiry or investigation, it
shall be entitled to examine the books, records and premises of the Company, to
the extent necessary to determine the relevant facts, personally or by agent or
attorney; PROVIDED that, except to carry out its obligations under this
Indenture, the Trustee shall not disclose any information obtained as a result
of such examination without the written consent of the Company.

         (g) The rights, privileges, protections, immunities and benefits given
to the Trustee, including, without limitation, its right to be indemnified, are
extended to, and shall be enforceable by, the Trustee in each of its capacities
hereunder, and each duly authorized agent, custodian and other Person employed
by the Trustee to act hereunder and acting within the limits of such person's
actual authority.

         (h) The Trustee may request that the Company deliver an Officers'
Certificate setting forth the names of individuals and/or titles of officers
authorized at such time to take

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                                                                              49

specified actions pursuant to this Indenture, which Officers' Certificate may be
signed by any person authorized to sign an Officers' Certificate, including any
person specified as so authorized in any such certificate previously delivered
and not superseded.

         SECTION 7.03. INDIVIDUAL RIGHTS OF TRUSTEE. The Trustee in its
individual or any other capacity may become the owner or pledgee of Securities
and may otherwise deal with the Company or its Affiliates with the same rights
it would have if it were not Trustee. Any Paying Agent or Registrar may do the
same with like rights. However, the Trustee must comply with Sections 7.10 and
7.11.

         SECTION 7.04. TRUSTEE'S DISCLAIMER. The Trustee shall not be
responsible for and makes no representation as to the validity or adequacy of
this Indenture, any Subsidiary Guarantee or the Securities, it shall not be
accountable for the Company's use of the proceeds from the Securities, and it
shall not be responsible for any statement of the Company or any Subsidiary
Guarantor in this Indenture or in any document issued in connection with the
sale of the Securities or in the Securities other than the Trustee's certificate
of authentication. The Trustee shall not be charged with knowledge of any
Default or Event of Default under Sections 6.01(c), (d), (e), (f), (i) or (j) or
of the identity of any Significant Subsidiary unless either (a) a Trust Officer
shall have actual knowledge thereof or (b) the Trustee shall have received
notice thereof in accordance with Section 13.02 hereof from the Company, any
Subsidiary Guarantor or any Holder.

         SECTION 7.05. NOTICE OF DEFAULTS. If a Default occurs and is continuing
and if it is known to the Trustee, the Trustee shall mail to each Holder notice
of the Default within the earlier of 90 days after it occurs or 30 days after it
is actually known to a Trust Officer or written notice of it is received by the
Trustee. Except in the case of a Default in payment of principal of or interest
on any Security (including payments pursuant to the mandatory redemption
provisions of such Security, if any), the Trustee may withhold the notice if and
so long as a committee of its Trust Officers in good faith determines that
withholding the notice is in the interests of Holders.

         SECTION 7.06. REPORTS BY TRUSTEE TO HOLDERS. As promptly as practicable
after each May 15 beginning with May 15, 2002, and in any event prior to June 15
in each year, the Trustee shall mail to each Holder a brief report dated as of
such June 15 that complies with Section 313(a) of the TIA if and to the extent
required thereby. The Trustee shall also comply with Section 313(b) of the TIA.

         A copy of each report at the time of its mailing to Holders shall be
filed with the SEC and each stock exchange (if any) on which the Securities are
listed. The Company agrees to notify promptly the Trustee whenever the
Securities become listed on any stock exchange and of any delisting thereof.

         SECTION 7.07. COMPENSATION AND INDEMNITY. The Company shall pay to the
Trustee from time to time such compensation as shall be agreed in writing
between the Company and the Trustee for its services. The Trustee's compensation
shall not be limited by any law on compensation of a trustee of an express
trust. The Company shall promptly reimburse the Trustee upon request for all
reasonable out-of-pocket expenses incurred or made by it, including costs of
collection, in addition to the compensation for its services in accordance with
the terms agreed by the Company and the Trustee. Such expenses shall include the
reasonable compensation and expenses, disbursements and advances of the
Trustee's agents, counsel, accountants and experts. The Company and each
Subsidiary Guarantor, jointly and

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                                                                              50

severally, shall indemnify the Trustee against any and all loss, liability or
expense (including reasonable attorneys' fees and expenses) incurred by or in
connection with the acceptance or administration of this trust and the
performance of its duties hereunder. The Trustee shall notify the Company of any
claim for which it may seek indemnity promptly upon obtaining actual knowledge
thereof; PROVIDED, HOWEVER, that any failure so to notify the Company shall not
relieve the Company or any Subsidiary Guarantor of its indemnity obligations
hereunder if not materially prejudicial to the Company. The Company shall defend
the claim and the indemnified party shall provide reasonable cooperation at the
Company's expense in the defense. Such indemnified parties may have one separate
counsel and the Company and the Subsidiary Guarantors, as applicable shall pay
the fees and expenses of such counsel; PROVIDED, HOWEVER, that the Company shall
not be required to pay such fees and expenses if it assumes such indemnified
parties' defense and, in such indemnified parties' reasonable judgment, there is
no conflict of interest between the Company and the Subsidiary Guarantors, as
applicable, and such parties in connection with such defense. The Company need
not reimburse any expense or indemnify against any loss, liability or expense
incurred by an indemnified party through such party's own wilful misconduct,
negligence or bad faith.

         To secure the Company's payment obligations in this Section, the
Trustee shall have a lien prior to the Securities on all money or property held
or collected by the Trustee other than money or property held in trust to pay
principal of and interest and liquidated damages, if any, on particular
Securities.

         The Company's payment obligations pursuant to this Section shall
survive the satisfaction or discharge of this Indenture, any rejection or
termination of this Indenture under any bankruptcy law or the resignation or
removal of the Trustee. Without prejudice to any other rights available to the
Trustee under applicable law, when the Trustee incurs expenses after the
occurrence of a Default specified in Section 6.01(g) or (h) with respect to the
Company, the expenses are intended to constitute expenses of administration
under the Bankruptcy Law.

         SECTION 7.08. REPLACEMENT OF TRUSTEE. (a) The Trustee may resign at any
time by so notifying the Company. The Holders of a majority in principal amount
of the Securities may remove the Trustee by so notifying the Trustee and may
appoint a successor Trustee. The Company shall remove the Trustee if:

         (i) the Trustee fails to comply with Section 7.10;

         (ii) the Trustee is adjudged bankrupt or insolvent;

         (iii) a receiver or other public officer takes charge of the Trustee or
     its property; or

         (iv) the Trustee otherwise becomes incapable of acting.

         (b) If the Trustee resigns, is removed by the Company or by the Holders
of a majority in principal amount of the Securities and such Holders do not
reasonably promptly appoint a successor Trustee, or if a vacancy exists in the
office of Trustee for any reason (the Trustee in such event being referred to
herein as the retiring Trustee), the Company shall promptly appoint a successor
Trustee.

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                                                                              51

         (c) A successor Trustee shall deliver a written acceptance of its
appointment to the retiring Trustee and to the Company. Thereupon the
resignation or removal of the retiring Trustee shall become effective, and the
successor Trustee shall have all the rights, powers and duties of the Trustee
under this Indenture. The successor Trustee shall mail a notice of its
succession to Holders. The retiring Trustee shall promptly transfer all property
held by it as Trustee to the successor Trustee, subject to the lien provided for
in Section 7.07.

         (d) If a successor Trustee does not take office within 60 days after
the retiring Trustee resigns or is removed, the retiring Trustee or the Holders
of 25% in principal amount of the Securities may petition, at the expense of the
Company, any court of competent jurisdiction for the appointment of a successor
Trustee.

         (e) If the Trustee fails to comply with Section 7.10, unless the
Trustee's duty to resign is stayed as provided in Section 310(b) of the TIA, any
Holder who has been a bona fide holder of a Security for at least six months may
petition any court of competent jurisdiction for the removal of the Trustee and
the appointment of a successor Trustee.

         (f) Notwithstanding the replacement of the Trustee pursuant to this
Section, the Company's obligations under Section 7.07 shall continue for the
benefit of the retiring Trustee.

         SECTION 7.09. SUCCESSOR TRUSTEE BY MERGER. If the Trustee consolidates
with, merges or converts into, or transfers all or substantially all its
corporate trust business or assets to, another corporation or banking
association, the resulting, surviving or transferee corporation without any
further act shall be the successor Trustee.

         In case at the time such successor or successors by merger, conversion
or consolidation to the Trustee shall succeed to the trusts created by this
Indenture any of the Securities shall have been authenticated but not delivered,
any such successor to the Trustee may adopt the certificate of authentication of
any predecessor trustee, and deliver such Securities so authenticated; and in
case at that time any of the Securities shall not have been authenticated, any
successor to the Trustee may authenticate such Securities either in the name of
any predecessor hereunder or in the name of the successor to the Trustee; and in
all such cases such certificates shall have the full force which it is anywhere
in the Securities or in this Indenture provided that the certificate of the
Trustee shall have.

         SECTION 7.10. ELIGIBILITY; DISQUALIFICATION. The Trustee shall at all
times satisfy the requirements of Section 310(a) of the TIA. The Trustee shall
have a combined capital and surplus of at least $50,000,000 as set forth in its
most recent published annual report of condition. The Trustee shall comply with
Section 310(b) of the TIA, subject to its right to apply for a stay of its duty
to resign under the penultimate paragraph of Section 310(b) of the TIA;
PROVIDED, HOWEVER, that there shall be excluded from the operation of Section
310(b)(1) of the TIA any indenture or indentures under which other securities or
certificates of interest or participation in other securities of the Company are
outstanding if the requirements for such exclusion set forth in Section
310(b)(1) of the TIA are met.

         SECTION 7.11. PREFERENTIAL COLLECTION OF CLAIMS AGAINST COMPANY. The
Trustee shall comply with Section 311(a) of the TIA, excluding any creditor
relationship listed in Section 311(b) of the TIA. A Trustee who has resigned or
been removed shall be subject to Section 311(a) of the TIA to the extent
indicated.

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                                                                              52

                                    ARTICLE 8

                       DISCHARGE OF INDENTURE; DEFEASANCE

         SECTION 8.01. DISCHARGE OF LIABILITY ON SECURITIES; DEFEASANCE. (a)
When (i) all outstanding Securities (other than Securities replaced or paid
pursuant to Section 2.08) have been canceled or delivered to the Trustee for
cancelation or (ii) all outstanding Securities have become due and payable,
whether at maturity or as a result of the mailing of a notice of redemption
pursuant to Article 3 hereof, and the Company irrevocably deposits with the
Trustee funds in an amount sufficient or U.S. Government Obligations, the
principal of and interest on which will be sufficient, or a combination thereof
sufficient, in the written opinion of a nationally recognized firm of
independent public accountants delivered to the Trustee (which opinion shall
only be required to be delivered if U.S. Government Obligations have been so
deposited), to pay the principal of and interest and liquidated damages, if any,
on the outstanding Securities when due at maturity or upon redemption of,
including interest thereon to maturity or such redemption date (other than
Securities replaced or paid pursuant to Section 2.08) and liquidated damages, if
any, and if in either case the Company pays all other sums payable hereunder by
the Company, then this Indenture shall, subject to Section 8.01(c), cease to be
of further effect. The Trustee shall acknowledge satisfaction and discharge of
this Indenture on demand of the Company accompanied by an Officers' Certificate
and an Opinion of Counsel and at the cost and expense of the Company.

         (b) Subject to Sections 8.01(c) and 8.02, the Company at any time may
terminate (i) all of its obligations under the Securities and this Indenture
("legal defeasance option") or (ii) its obligations under Sections 4.02, 4.03,
4.04, 4.05, 4.06, 4.07, 4.08, 4.11, 4.12 and 4.13 the operation of Section
5.01(a)(iii), 5.01(a)(iv), 6.01(d), 6.01(f), 6.01(g) (with respect to
Significant Subsidiaries of the Company only), 6.01(h) (with respect to
Significant Subsidiaries of the Company only), 6.01(i) (with respect to
Restricted Subsidiaries of the Company only) and 6.01(j) ("covenant defeasance
option"). The Company may exercise its legal defeasance option notwithstanding
its prior exercise of its covenant defeasance option. In the event that the
Company terminates all of its obligations under the Securities and this
Indenture by exercising its legal defeasance option, the obligations under the
Subsidiary Guarantees shall each be terminated simultaneously with the
termination of such obligations.

         If the Company exercises its legal defeasance option, payment of the
Securities may not be accelerated because of an Event of Default. If the Company
exercises its covenant defeasance option, payment of the Securities may not be
accelerated because of an Event of Default specified in Section 6.01(d),
6.01(f), 6.01(g) (with respect to Significant Subsidiaries only), 6.01(h) (with
respect to Significant Subsidiaries only), 6.01(i) (with respect to Restricted
Subsidiaries only) or 6.01(j) or because of the failure of the Company to comply
with clauses (iii) and (iv) of Section 5.01(a).

         Upon satisfaction of the conditions set forth herein and upon request
of the Company, the Trustee shall acknowledge in writing the discharge of those
obligations that the Company terminates.

         (c) Notwithstanding clauses (a) and (b) above, the Company's
obligations in Sections 2.04, 2.05, 2.06, 2.07, 2.08, 2.09, 2.10, 7.07, 7.08 and
in this Article 8 shall survive until the Securities have been paid in full.
Thereafter, the Company's obligations in Sections 7.07 and 8.05 and the
Trustee's obligations under Section 8.04 shall survive.

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                                                                              53

         SECTION 8.02. (a) CONDITIONS TO DEFEASANCE. The Company may exercise
its legal defeasance option or its covenant defeasance option only if:

         (i) the Company irrevocably deposits in trust with the Trustee money in
     an amount sufficient or U.S. Government Obligations, the principal of and
     interest on which will be sufficient, or a combination thereof sufficient,
     to pay the principal of, and premium (if any), interest and liquidated
     damages (if any), on the Securities when due at maturity or redemption, as
     the case may be, including interest thereon to maturity or such redemption
     date;

         (ii) the Company delivers to the Trustee a certificate from a
     nationally recognized firm of independent accountants expressing their
     opinion that the payments of principal and interest when due and without
     reinvestment on the deposited U.S. Government Obligations plus any
     deposited money without investment will provide cash at such times and in
     such amounts as will be sufficient to pay principal, premium, if any,
     interest and liquidated damages, if any, when due on all the Securities to
     maturity or redemption, as the case may be;

         (iii) 123 days pass after the deposit is made and during the 123-day
     period no Default specified in Section 6.01(g) or (h) with respect to the
     Company occurs which is continuing at the end of the period;

         (iv) the deposit does not constitute a default under any other
     agreement binding on the Company and is not prohibited by Article 10;

         (v) the Company delivers to the Trustee an Opinion of Counsel to the
     effect that the trust resulting from the deposit does not constitute, or is
     qualified as, a regulated investment company under the Investment Company
     Act of 1940;

         (vi) in the case of the legal defeasance option, the Company shall have
     delivered to the Trustee an Opinion of Counsel stating that (1) the Company
     has received from, or there has been published by, the Internal Revenue
     Service a ruling, or (2) since the date of this Indenture there has been a
     change in the applicable Federal income tax law, in either case to the
     effect that, and based thereon such Opinion of Counsel shall confirm that,
     the Holders will not recognize income, gain or loss for Federal income tax
     purposes as a result of such deposit and defeasance and will be subject to
     Federal income tax on the same amounts, in the same manner and at the same
     times as would have been the case if such deposit and defeasance had not
     occurred;

         (vii) in the case of the covenant defeasance option, the Company shall
     have delivered to the Trustee an Opinion of Counsel to the effect that the
     Holders will not recognize income, gain or loss for Federal income tax
     purposes as a result of such deposit and defeasance and will be subject to
     Federal income tax on the same amounts, in the same manner and at the same
     times as would have been the case if such deposit and defeasance had not
     occurred; and

         (viii) the Company delivers to the Trustee an Officers' Certificate and
     an Opinion of Counsel, each stating that all conditions precedent to the
     defeasance and discharge of the Securities as contemplated by this Article
     8 have been complied with.

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                                                                              54

         (b) Before or after a deposit, the Company may make arrangements
satisfactory to the Trustee for the redemption of Securities at a future date in
accordance with Article 3.

         SECTION 8.03. APPLICATION OF TRUST MONEY. The Trustee shall hold in
trust money or U.S. Government Obligations deposited with it pursuant to this
Article 8. It shall apply the deposited money and the money from U.S. Government
Obligations through the Paying Agent and in accordance with this Indenture to
the payment of principal of and interest and liquidated damages, if any, on the
Securities. Money and securities so held in trust are not subject to Article 10
or 12.

         SECTION 8.04. REPAYMENT TO COMPANY. The Trustee and the Paying Agent
shall promptly turn over to the Company upon request any money or U.S.
Government Obligations held by it as provided in this Article which, in the
written opinion of nationally recognized firm of independent public accountants
delivered to the Trustee (which opinion shall only be required to be delivered
if U.S. Government Obligations have been so deposited), are in excess of the
amount thereof which would then be required to be deposited to effect an
equivalent discharge or defeasance in accordance with this Article.

         Subject to any applicable abandoned property law, the Trustee and the
Paying Agent shall pay to the Company upon written request any money held by
them for the payment of principal, interest or liquidated damages that remains
unclaimed for two years, and, thereafter, Holders entitled to the money must
look to the Company for payment as general creditors, and the Trustee and the
Paying Agent shall have no further liability with respect to such monies.

         SECTION 8.05. INDEMNITY FOR GOVERNMENT OBLIGATIONS. The Company shall
pay and shall indemnify the Trustee against any tax, fee or other charge imposed
on or assessed against deposited U.S. Government Obligations or the principal
and interest received on such U.S. Government Obligations.

         SECTION 8.06. REINSTATEMENT. If the Trustee or Paying Agent is unable
to apply any money or U.S. Government Obligations in accordance with this
Article 8 by reason of any legal proceeding or by reason of any order or
judgment of any court or governmental authority enjoining, restraining or
otherwise prohibiting such application, the Company's obligations under this
Indenture and the Securities shall be revived and reinstated as though no
deposit had occurred pursuant to this Article 8 until such time as the Trustee
or Paying Agent is permitted to apply all such money or U.S. Government
Obligations in accordance with this Article 8; PROVIDED, HOWEVER, that, if the
Company has made any payment of principal of or interest or liquidated damages
on, any Securities because of the reinstatement of its obligations, the Company
shall be subrogated to the rights of the Holders of such Securities to receive
such payment from the money or U.S. Government Obligations held by the Trustee
or Paying Agent.

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                                                                              55

                                    ARTICLE 9

                                   AMENDMENTS

         SECTION 9.01. (a) WITHOUT CONSENT OF HOLDERS. The Company, the
Subsidiary Guarantors and the Trustee may amend this Indenture or the Securities
without notice to or consent of any Holder:

         (i) to cure any ambiguity, omission, defect or inconsistency;

         (ii) to comply with Article 5;

         (iii) to provide for uncertificated Securities in addition to or in
     place of certificated Securities; PROVIDED, HOWEVER, that the
     uncertificated Securities are issued in registered form for purposes of
     Section 163(f) of the Code or in a manner such that the uncertificated
     Securities are described in Section 163(f)(2)(B) of the Code;

         (iv) to make any change in Article 10 or Article 12 that would limit or
     terminate the benefits available to any holder of Senior Indebtedness of
     the Company or a Subsidiary Guarantor (or Representatives thereof) under
     Article 10 or Article 12, respectively;

         (v) to add additional Guarantees with respect to the Securities or to
     secure the Securities;

         (vi) to add to the covenants of the Company for the benefit of the
     Holders or to surrender any right or power herein conferred upon the
     Company;

         (vii) to comply with any requirement of the SEC in connection with
     qualifying, or maintaining the qualification of, this Indenture under the
     TIA;

         (viii) to make any change that does not adversely affect the rights of
     any Holder, subject to the provisions of this Indenture; or

         (ix) to provide for the issuance of the Exchange Securities, Private
     Exchange Securities or Additional Securities, which shall have terms
     substantially identical in all material respects to the Original Securities
     (except that the transfer restrictions contained in the Original Securities
     shall be modified or eliminated, as appropriate), and which shall be
     treated, together with any outstanding Original Securities, as a single
     issue of securities.

         (b) An amendment under this Section 9.01 may not make any change that
adversely affects the rights under Article 10 or Article 12 of any holder of
Senior Indebtedness of the Company or a Subsidiary Guarantor then outstanding
unless the holders of such Senior Indebtedness (or any group or Representative
thereof authorized to give a consent) consent to such change.

         After an amendment under this Section 9.01 becomes effective, the
Company shall mail to Holders a notice briefly describing such amendment. The
failure to give such notice to all Holders, or any defect therein, shall not
impair or affect the validity of an amendment under this Section 9.01.

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                                                                              56

         SECTION 9.02. WITH CONSENT OF HOLDERS. (a) The Company, the Subsidiary
Guarantors and the Trustee may amend this Indenture or the Securities without
notice to any Holder but with the written consent of the Holders of at least a
majority in principal amount of the Securities then outstanding (including
consents obtained in connection with a tender offer or exchange for the
Securities). However, without the consent of each Holder affected, an amendment
may not:

         (i) reduce the amount of Securities whose Holders must consent to an
     amendment;

         (ii) reduce the rate of or extend the time for payment of interest or
     any liquidated damages on any Security;

         (iii) reduce the principal of or extend the Stated Maturity of any
     Security;

         (iv) reduce the premium payable upon the redemption of any Security or
     change the time at which any Security may be redeemed in accordance with
     Article 3;

         (v) make any Security payable in money other than that stated in the
     Security;

         (vi) make any change in Article 10 or Article 12 that adversely affects
     the rights of any Holder under Article 10 or Article 12;

         (vii) make any change in Section 6.04 or 6.07 or the second sentence of
     this Section 9.02; or

         (viii) modify the Subsidiary Guarantees in any manner adverse to the
     Holders.

         It shall not be necessary for the consent of the Holders under this
Section 9.02 to approve the particular form of any proposed amendment, but it
shall be sufficient if such consent approves the substance thereof.

         An amendment under this Section 9.02 may not make any change that
adversely affects the rights under Article 10 or Article 12 of any holder of
Senior Indebtedness then outstanding unless the holders of such Senior
Indebtedness (or any group or Representative thereof authorized to give a
consent) consent to such change.

         After an amendment under this Section 9.02 becomes effective, the
Company shall mail to Holders a notice briefly describing such amendment. The
failure to give such notice to all Holders, or any defect therein, shall not
impair or affect the validity of an amendment under this Section 9.02.

         SECTION 9.03. COMPLIANCE WITH TRUST INDENTURE ACT. Every amendment to
this Indenture or the Securities shall comply with the TIA as then in effect.

         SECTION 9.04. REVOCATION AND EFFECT OF CONSENTS AND WAIVERS. (a) A
consent to an amendment or a waiver by a Holder of a Security shall bind the
Holder and every subsequent Holder of that Security or portion of the Security
that evidences the same debt as the consenting Holder's Security, even if
notation of the consent or waiver is not made on the Security. However, any such
Holder or subsequent Holder may revoke the consent or waiver as to such Holder's
Security or portion of the Security if the Trustee receives the notice of

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                                                                              57

revocation before the date on which the Trustee receives an Officers'
Certificate from the Company certifying that the requisite number of consents
have been received. After an amendment or waiver becomes effective, it shall
bind every Holder. An amendment or waiver becomes effective upon the (i) receipt
by the Company or the Trustee of the requisite number of consents, (ii)
satisfaction of conditions to effectiveness as set forth in this Indenture and
any indenture supplemental hereto containing such amendment or waiver and (iii)
execution of such amendment or waiver (or supplemental indenture) by the Company
and the Trustee.

         (b) The Company may, but shall not be obligated to, fix a record date
for the purpose of determining the Holders entitled to give their consent or
take any other action described above or required or permitted to be taken
pursuant to this Indenture. If a record date is fixed, then notwithstanding the
immediately preceding paragraph, those Persons who were Holders at such record
date (or their duly designated proxies), and only those Persons, shall be
entitled to give such consent or to revoke any consent previously given or to
take any such action, whether or not such Persons continue to be Holders after
such record date. No such consent shall be valid or effective for more than 120
days after such record date.

         SECTION 9.05. NOTATION ON OR EXCHANGE OF SECURITIES. If an amendment
changes the terms of a Security, the Trustee may require the Holder of the
Security to deliver it to the Trustee. The Trustee may place an appropriate
notation on the Security regarding the changed terms and return it to the
Holder. Alternatively, if the Company or the Trustee so determines, the Company
in exchange for the Security shall issue and the Trustee shall authenticate a
new Security that reflects the changed terms. Failure to make the appropriate
notation or to issue a new Security shall not affect the validity of such
amendment.

         SECTION 9.06. TRUSTEE TO SIGN AMENDMENTS. The Trustee shall sign any
amendment authorized pursuant to this Article 9 if the amendment does not
adversely affect the rights, duties, liabilities or immunities of the Trustee.
If, in the reasonable judgment of the Trustee, it does, the Trustee may but need
not sign it. In signing such amendment the Trustee shall be entitled to receive
indemnity reasonably satisfactory to it and to receive, and (subject to Section
7.01) shall be fully protected in relying upon, an Officers' Certificate and an
Opinion of Counsel stating that such amendment is authorized or permitted by
this Indenture and that such amendment is the valid and binding obligation of
the Company and the Subsidiary Guarantors enforceable against them in accordance
with its terms, subject to customary exceptions, and complies with the
provisions hereof (including Section 9.03).

         SECTION 9.07. PAYMENT FOR CONSENT. Neither the Company nor any
Affiliate of the Company shall, directly or indirectly, pay or cause to be paid
any consideration, whether by way of interest, fee or otherwise, to any Holder
for or as an inducement to any consent, waiver or amendment of any of the terms
or provisions of this Indenture or the Securities unless such consideration is
offered to be paid to all Holders that so consent, waive or agree to amend in
the time frame set forth in solicitation documents relating to such consent,
waiver or agreement.

                                   ARTICLE 10

                                  SUBORDINATION

         SECTION 10.01. AGREEMENT TO SUBORDINATE. The Company agrees, and each
Holder by accepting a Security agrees, that the Indebtedness evidenced by the
Securities

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                                                                              58

is subordinated in right of payment, to the extent and in the manner provided in
this Article 10, to the prior payment in full of all Senior Indebtedness of the
Company and that the subordination is for the benefit of and enforceable by the
holders of such Senior Indebtedness. The Securities shall in all respects rank
PARI PASSU with all other Senior Subordinated Indebtedness of the Company and
only Indebtedness of the Company that is Senior Indebtedness of the Company
shall rank senior to the Securities in accordance with the provisions set forth
herein. For purposes of this Article 10, the Indebtedness evidenced by the
Securities shall be deemed to include any liquidated damages payable pursuant to
the provisions set forth in the Securities and the Registration Agreement. All
provisions of this Article 10 shall be subject to Section 10.12.

         SECTION 10.02. LIQUIDATION, DISSOLUTION, BANKRUPTCY. Upon any payment
or distribution of the assets of the Company to creditors upon a total or
partial liquidation or a total or partial dissolution of the Company or in a
bankruptcy, reorganization, insolvency, receivership or similar proceeding
relating to the Company or its property:

         (a) holders of Senior Indebtedness of the Company shall be entitled to
     receive payment in full in cash of such Senior Indebtedness before Holders
     shall be entitled to receive any payment of principal of or interest on the
     Securities; and

         (b) until the Senior Indebtedness of the Company is paid in full, any
     payment or distribution to which Holders would be entitled but for this
     Article 10 shall be made to holders of such Senior Indebtedness as their
     interests may appear, except that Holders may receive any debt securities
     that are subordinated to such Senior Indebtedness to at least the same
     extent as the Securities.

         SECTION 10.03. DEFAULT ON SENIOR INDEBTEDNESS. The Company may not pay
the principal of, premium (if any) or interest on the Securities or make any
deposit pursuant to Section 8.01 and may not otherwise purchase, repurchase,
redeem or otherwise acquire or retire for value any Securities (collectively,
"pay the Securities") if (a) any Designated Senior Indebtedness of the Company
is not paid when due or (b) any other default on such Designated Senior
Indebtedness occurs and the maturity of such Designated Senior Indebtedness is
accelerated in accordance with its terms unless, in either case, (i) the default
has been cured or waived and any such acceleration has been rescinded or (ii)
such Designated Senior Indebtedness has been paid in full; PROVIDED, HOWEVER,
that the Company may pay the Securities without regard to the foregoing if the
Company and the Trustee receive written notice approving such payment from the
Representative of the Designated Senior Indebtedness with respect to which
either of the events set forth in clause (a) or (b) of this sentence has
occurred and is continuing. During the continuance of any default (other than a
default described in clause (a) or (b) of the preceding sentence) with respect
to any Designated Senior Indebtedness of the Company pursuant to which the
maturity thereof may be accelerated immediately without further notice (except
such notice as may be required to effect such acceleration) or the expiration of
any applicable grace periods, the Company may not pay the Securities for a
period (a "Payment Blockage Period") commencing upon the receipt by the Trustee
(with a copy to the Company) of written notice (a "Blockage Notice") of such
default from the Representative of such Designated Senior Indebtedness
specifying an election to effect a Payment Blockage Period and ending 179 days
thereafter (or earlier if such Payment Blockage Period is terminated (a) by
written notice to the Trustee and the Company from the Person or Persons who
gave such Blockage Notice, (b) by repayment in full of such Designated Senior
Indebtedness or (c) because the default giving rise to such Blockage Notice is
no longer continuing). Notwithstanding the provisions described in the
immediately preceding

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                                                                              59

sentence (but subject to the provisions contained in the first sentence of this
Section and the next sentence), unless the holders of such Designated Senior
Indebtedness or the Representative of such holders shall have accelerated the
maturity of such Designated Senior Indebtedness, the Company may resume payments
on the Securities after the end of such Payment Blockage Period, including any
missed payments. Not more than one Blockage Notice may be given in any
consecutive 360-day period, irrespective of the number of defaults with respect
to Designated Senior Indebtedness during such period; PROVIDED, HOWEVER, that if
any Blockage Notice within such 360-day period is given by or on behalf of any
holders of Designated Senior Indebtedness other than the Bank Indebtedness, the
Representative of the Bank Indebtedness may give another Blockage Notice within
such period; PROVIDED FURTHER, HOWEVER, that in no event may the total number of
days during which any Payment Blockage Period or Periods is in effect exceed 179
days in the aggregate during any 360 consecutive day period. For purposes of
this Section, no default or event of default that existed or was continuing on
the date of the commencement of any Payment Blockage Period with respect to the
Designated Senior Indebtedness initiating such Payment Blockage Period shall be,
or be made, the basis of the commencement of a subsequent Payment Blockage
Period by the Representative of such Designated Senior Indebtedness, whether or
not within a period of 360 consecutive days, unless such default or event of
default shall have been cured or waived for a period of not less than 90
consecutive days.

         SECTION 10.04. ACCELERATION OF PAYMENT OF SECURITIES. If payment of the
Securities is accelerated because of an Event of Default, the Company or the
Trustee (PROVIDED, that the Trustee shall have received written notice from the
Company, on which notice the Trustee shall be entitled to conclusively rely)
shall promptly notify the holders of the Designated Senior Indebtedness of the
Company (or their Representative) of the acceleration. If any Designated Senior
Indebtedness of the Company is outstanding, the Company may not pay the
Securities until five Business Days after such holders or the Representative of
such Designated Senior Indebtedness receive notice of such acceleration and,
thereafter, may pay the Securities only if this Article 10 otherwise permits
payment at that time.

         SECTION 10.05. WHEN DISTRIBUTION MUST BE PAID OVER. If a distribution
is made to Holders that because of this Article 10 should not have been made to
them, the Holders who receive the distribution shall hold it in trust for
holders of Senior Indebtedness of the Company and pay it over to them as their
interests may appear.

         SECTION 10.06. SUBROGATION. After all Senior Indebtedness of the
Company is paid in full and until the Securities are paid in full, Holders shall
be subrogated to the rights of holders of such Senior Indebtedness to receive
distributions applicable to Senior Indebtedness. A distribution made under this
Article 10 to holders of such Senior Indebtedness which otherwise would have
been made to Holders is not, as between the Company and Holders, a payment by
the Company on such Senior Indebtedness.

         SECTION 10.07. RELATIVE RIGHTS. This Article 10 defines the relative
rights of Holders and holders of Senior Indebtedness of the Company. Nothing in
this Indenture shall:

         (a) impair, as between the Company and Holders, the obligation of the
     Company, which is absolute and unconditional, to pay principal of and
     interest and liquidated damages, if any, on the Securities in accordance
     with their terms; or

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                                                                              60

         (b) prevent the Trustee or any Holder from exercising its available
     remedies upon a Default, subject to the rights of holders of Senior
     Indebtedness of the Company to receive distributions otherwise payable to
     Holders.

         SECTION 10.08. SUBORDINATION MAY NOT BE IMPAIRED BY COMPANY. No right
of any holder of Senior Indebtedness of the Company to enforce the subordination
of the Indebtedness evidenced by the Securities shall be impaired by any act or
failure to act by the Company or by its failure to comply with this Indenture.

         SECTION 10.09. RIGHTS OF TRUSTEE AND PAYING AGENT. Notwithstanding
Section 10.03, the Trustee or Paying Agent may continue to make payments on the
Securities and shall not be charged with knowledge of the existence of facts
that would prohibit the making of any such payments unless, not less than two
Business Days prior to the date of such payment, a Trust Officer of the Trustee
receives notice satisfactory to it that payments may not be made under this
Article 10. The Company, the Registrar, the Paying Agent, a Representative or a
holder of Senior Indebtedness of the Company may give the notice; PROVIDED,
HOWEVER, that, if an issue of Senior Indebtedness of the Company has a
Representative, only the Representative may give the notice.

         The Trustee in its individual or any other capacity may hold Senior
Indebtedness of the Company with the same rights it would have if it were not
Trustee. The Registrar and the Paying Agent may do the same with like rights.
The Trustee shall be entitled to all the rights set forth in this Article 10
with respect to any Senior Indebtedness of the Company which may at any time be
held by it, to the same extent as any other holder of such Senior Indebtedness;
and nothing in Article 7 shall deprive the Trustee of any of its rights as such
holder. Nothing in this Article 10 shall apply to claims of, or payments to, the
Trustee under or pursuant to Section 7.07 or any other Section of this
Indenture.

         SECTION 10.10. DISTRIBUTION OR NOTICE TO REPRESENTATIVE. Whenever a
distribution is to be made or a notice given to holders of Senior Indebtedness
of the Company, the distribution may be made and the notice given to their
Representative (if any).

         SECTION 10.11. ARTICLE 10 NOT TO PREVENT EVENTS OF DEFAULT OR LIMIT
RIGHT TO ACCELERATE. The failure to make a payment pursuant to the Securities by
reason of any provision in this Article 10 shall not be construed as preventing
the occurrence of a Default. Nothing in this Article 10 shall have any effect on
the right of the Holders or the Trustee to accelerate the maturity of the
Securities.

         SECTION 10.12. TRUST MONIES NOT SUBORDINATED. Notwithstanding anything
contained herein to the contrary, payments from money or the proceeds of U.S.
Government Obligations held in trust under Article 8 by the Trustee for the
payment of principal of and interest and liquidated damages, if any, on the
Securities shall not be subordinated to the prior payment of any Senior
Indebtedness of the Company or subject to the restrictions set forth in this
Article 10, and none of the Holders shall be obligated to pay over any such
amount to the Company or any holder of Senior Indebtedness of the Company or any
other creditor of the Company.

         SECTION 10.13. TRUSTEE ENTITLED TO RELY. Upon any payment or
distribution pursuant to this Article 10, the Trustee and the Holders shall be
entitled to conclusively rely (a) upon any order or decree of a court of
competent jurisdiction in which any proceedings of the nature referred to in
Section 10.02 are pending, (b) upon a certificate of the liquidating

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                                                                              61

trustee or agent or other Person making such payment or distribution to the
Trustee or to the Holders or (c) upon the Representatives for the holders of
Senior Indebtedness of the Company for the purpose of ascertaining the Persons
entitled to participate in such payment or distribution, the holders of such
Senior Indebtedness and other Indebtedness of the Company, the amount thereof or
payable thereon, the amount or amounts paid or distributed thereon and all other
facts pertinent thereto or to this Article 10. In the event that the Trustee
determines, in good faith, that evidence is required with respect to the right
of any Person as a holder of Senior Indebtedness of the Company to participate
in any payment or distribution pursuant to this Article 10, the Trustee may
request such Person to furnish evidence to the reasonable satisfaction of the
Trustee as to the amount of such Senior Indebtedness held by such Person, the
extent to which such Person is entitled to participate in such payment or
distribution and other facts pertinent to the rights of such Person under this
Article 10, and, if such evidence is not furnished, the Trustee may defer any
payment to such Person pending judicial determination as to the right of such
Person to receive such payment. The provisions of Sections 7.01 and 7.02 shall
be applicable to all actions or omissions of actions by the Trustee pursuant to
this Article 10.

         SECTION 10.14. TRUSTEE TO EFFECTUATE SUBORDINATION. Each Holder by
accepting a Security authorizes and directs the Trustee on his behalf to take
such action as may be necessary or appropriate to acknowledge or effectuate the
subordination between the Holders and the holders of Senior Indebtedness of the
Company as provided in this Article 10 and appoints the Trustee as
attorney-in-fact for any and all such purposes.

         SECTION 10.15. TRUSTEE NOT FIDUCIARY FOR HOLDERS OF SENIOR
INDEBTEDNESS. The Trustee shall not be deemed to owe any fiduciary duty to the
holders of Senior Indebtedness of the Company and shall not be liable to any
such holders if it shall mistakenly pay over or distribute to Holders or the
Company or any other Person, money or assets to which any holders of Senior
Indebtedness of the Company shall be entitled by virtue of this Article 10 or
otherwise.

         SECTION 10.16. RELIANCE BY HOLDERS OF SENIOR INDEBTEDNESS ON
SUBORDINATION PROVISIONS. Each Holder by accepting a Security acknowledges and
agrees that the foregoing subordination provisions are, and are intended to be,
an inducement and a consideration to each holder of any Senior Indebtedness of
the Company, whether such Senior Indebtedness was created or acquired before or
after the issuance of the Securities, to acquire and continue to hold, or to
continue to hold, such Senior Indebtedness and such holder of such Senior
Indebtedness shall be deemed conclusively to have relied on such subordination
provisions in acquiring and continuing to hold, or in continuing to hold, such
Senior Indebtedness.

                                   ARTICLE 11

                              SUBSIDIARY GUARANTEES

         SECTION 11.01. SUBSIDIARY GUARANTEES. (a) Each Subsidiary Guarantor
hereby jointly and severally irrevocably and unconditionally guarantees, as a
primary obligor and not merely as a surety, to each Holder and to the Trustee
and its successors and assigns (i) the full and punctual payment when due,
whether at Stated Maturity, by acceleration, by redemption or otherwise, of all
obligations of the Company under this Indenture (including obligations to the
Trustee) and the Securities, whether for payment of principal of, interest on or

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liquidated damages, if any, in respect of the Securities and all other monetary
obligations of the Company under this Indenture and the Securities and (ii) the
full and punctual performance within applicable grace periods of all other
obligations of the Company whether for fees, expenses, indemnification or
otherwise under this Indenture and the Securities (all the foregoing being
hereinafter collectively called the "Guaranteed Obligations"). Each Subsidiary
Guarantor further agrees that the Guaranteed Obligations may be extended or
renewed, in whole or in part, without notice or further assent from each such
Subsidiary Guarantor, and that each such Subsidiary Guarantor shall remain bound
under this Article 11 notwithstanding any extension or renewal of any Guaranteed
Obligation.

         (b) Each Subsidiary Guarantor waives presentation to, demand of payment
from and protest to the Company of any of the Guaranteed Obligations and also
waives notice of protest for nonpayment. Each Subsidiary Guarantor waives notice
of any default under the Securities or the Guaranteed Obligations. The
obligations of each Subsidiary Guarantor hereunder shall not be affected by (i)
the failure of any Holder or the Trustee to assert any claim or demand or to
enforce any right or remedy against the Company or any other Person under this
Indenture, the Securities or any other agreement or otherwise; (ii) any
extension or renewal of any thereof; (iii) any rescission, waiver, amendment or
modification of any of the terms or provisions of this Indenture, the Securities
or any other agreement; (iv) the release of any security held by any Holder or
the Trustee for the Guaranteed Obligations or any of them; (v) the failure of
any Holder or Trustee to exercise any right or remedy against any other
guarantor of the Guaranteed Obligations; or (vi) any change in the ownership of
such Subsidiary Guarantor, except as provided in Section 11.02(b).

         (c) Each Subsidiary Guarantor hereby waives any right to which it may
be entitled to have its obligations hereunder divided among the Subsidiary
Guarantors, such that such Subsidiary Guarantor's obligations would be less than
the full amount claimed. Each Subsidiary Guarantor hereby waives any right to
which it may be entitled to have the assets of the Company first be used and
depleted as payment of the Company's or such Subsidiary Guarantor's obligations
hereunder prior to any amounts being claimed from or paid by such Subsidiary
Guarantor hereunder. Each Subsidiary Guarantor hereby waives any right to which
it may be entitled to require that the Company be sued prior to an action being
initiated against such Subsidiary Guarantor.

         (d) Each Subsidiary Guarantor further agrees that its Subsidiary
Guarantee herein constitutes a guarantee of payment, performance and compliance
when due (and not a guarantee of collection) and waives any right to require
that any resort be had by any Holder or the Trustee to any security held for
payment of the Guaranteed Obligations.

         (e) The Subsidiary Guarantee of each Subsidiary Guarantor is, to the
extent and in the manner set forth in Article 12, subordinated and subject in
right of payment to the prior payment in full of the principal of and premium,
if any, and interest on all Senior Indebtedness of the relevant Subsidiary
Guarantor and is made subject to such provisions of this Indenture.

         (f) Except as expressly set forth in Sections 8.01(b), 11.02 and 11.06,
the obligations of each Subsidiary Guarantor hereunder shall not be subject to
any reduction, limitation, impairment or termination for any reason, including
any claim of waiver, release, surrender, alteration or compromise, and shall not
be subject to any defense of setoff, counterclaim, recoupment or termination
whatsoever or by reason of the invalidity, illegality or unenforceability of the
Guaranteed Obligations or otherwise. Without limiting the generality of the
foregoing, the obligations of each Subsidiary Guarantor herein shall not be
discharged or

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impaired or otherwise affected by the failure of any Holder or the Trustee to
assert any claim or demand or to enforce any remedy under this Indenture, the
Securities or any other agreement, by any waiver or modification of any thereof,
by any default, failure or delay, wilful or otherwise, in the performance of the
obligations, or by any other act or thing or omission or delay to do any other
act or thing which may or might in any manner or to any extent vary the risk of
any Subsidiary Guarantor or would otherwise operate as a discharge of any
Subsidiary Guarantor as a matter of law or equity.

         (g) Except as otherwise provided herein, each Subsidiary Guarantor
agrees that its Subsidiary Guarantee shall remain in full force and effect until
payment in full of all the Guaranteed Obligations. Each Subsidiary Guarantor
further agrees that its Subsidiary Guarantee herein shall continue to be
effective or be reinstated, as the case may be, if at any time payment, or any
part thereof, of principal of or interest or liquidated damages, if any, on any
Guaranteed Obligation is rescinded or must otherwise be restored by any Holder
or the Trustee upon the bankruptcy or reorganization of the Company or
otherwise.

         (h) In furtherance of the foregoing and not in limitation of any other
right which any Holder or the Trustee has at law or in equity against any
Subsidiary Guarantor by virtue hereof, upon the failure of the Company to pay
the principal of or interest or liquidated damages, if any, on any Guaranteed
Obligation when and as the same shall become due, whether at maturity, by
acceleration, by redemption or otherwise, or to perform or comply with any other
Guaranteed Obligation, each Subsidiary Guarantor hereby promises to and shall,
upon receipt of written demand by the Trustee, forthwith pay, or cause to be
paid, in cash, to the Holders or the Trustee an amount equal to the sum of (i)
the unpaid principal amount of such Guaranteed Obligations, (ii) accrued and
unpaid interest on such Guaranteed Obligations (but only to the extent not
prohibited by law) and (iii) all other monetary obligations of the Company to
the Holders and the Trustee.

         (i) Each Subsidiary Guarantor agrees that it shall not be entitled to
any right of subrogation in relation to the Holders in respect of any Guaranteed
Obligations guaranteed hereby until payment in full of all Guaranteed
Obligations and all obligations to which the Guaranteed Obligations are
subordinated as provided in Article 12. Each Subsidiary Guarantor further agrees
that, as between it, on the one hand, and the Holders and the Trustee, on the
other hand, (i) the maturity of the Guaranteed Obligations guaranteed hereby may
be accelerated as provided in Article 6 for the purposes of any Subsidiary
Guarantee herein, notwithstanding any stay, injunction or other prohibition
preventing such acceleration in respect of the Guaranteed Obligations guaranteed
hereby, and (ii) in the event of any declaration of acceleration of such
Guaranteed Obligations as provided in Article 6, such Guaranteed Obligations
(whether or not due and payable) shall forthwith become due and payable by such
Subsidiary Guarantor for the purposes of this Section 11.01.

         (j) Each Subsidiary Guarantor also agrees to pay any and all costs and
expenses (including reasonable attorneys' fees and expenses) incurred by the
Trustee or any Holder in enforcing any rights under this Section 11.01.

         (k) Upon request of the Trustee, each Subsidiary Guarantor shall
execute and deliver such further instruments and do such further acts as may be
reasonably necessary or proper to carry out more effectively the purpose of this
Indenture.

         SECTION 11.02. LIMITATION ON LIABILITY. (a) Any term or provision of
this Indenture to the contrary notwithstanding, the maximum aggregate amount of
the Guaranteed

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                                                                              64

Obligations guaranteed hereunder by any Subsidiary Guarantor shall not exceed
the maximum amount that can be hereby guaranteed without rendering this
Indenture, as it relates to such Subsidiary Guarantor, voidable under applicable
law relating to fraudulent conveyance or fraudulent transfer or similar laws
affecting the rights of creditors generally.

         (b) A Subsidiary Guarantee as to any Subsidiary Guarantor shall
terminate and be of no further force or effect and such Subsidiary Guarantor
shall be deemed to be released from all obligations under this Article 11 upon
(i) the merger or consolidation of such Subsidiary Guarantor with or into any
Person other than the Company or a Subsidiary or Affiliate of the Company where
such Subsidiary Guarantor is not the surviving entity of such consolidation or
merger or (ii) the sale by the Company or any Subsidiary of the Company (or any
pledgee of the Company) of the Capital Stock of such Subsidiary Guarantor,
where, after such sale, such Subsidiary Guarantor is no longer a Subsidiary of
the Company; PROVIDED, HOWEVER, that each such merger, consolidation or sale
(or, in the case of a sale by such a pledgee, the disposition of the proceeds of
such sale) shall comply with Section 4.06, Section 4.13 and Section 5.01(b). At
the request of the Company, the Trustee shall execute and deliver an appropriate
instrument evidencing such release (in the form provided by the Company).

         (c) A Subsidiary Guarantee of any Subsidiary Guarantor that is a
Subsidiary of the Company shall terminate and be of no further force or effect
and such Subsidiary Guarantor shall be deemed to be released from all
obligations under this Article 11 upon the Company's designation of such
Subsidiary Guarantor as an Unrestricted Subsidiary; PROVIDED that such
designation complies with the other applicable provisions of this Indenture.

         (d) At any time that Bank Indebtedness is outstanding, if any
Subsidiary of the Company is released from its Guarantee of, and all pledges and
security interests granted by it in connection with, the Credit Agreement, then
the Subsidiary Guarantee of such Subsidiary shall terminate and be of no further
force or effect and such Subsidiary Guarantor shall be deemed to be released
from all obligations under this Article 11.

         (e) A Subsidiary Guarantee of any Defense JV Subsidiary shall terminate
and be of no further force or effect and such Defense JV Subsidiary shall be
deemed to be released from all obligations under this Article 11 upon the
designation of such Defense JV Subsidiary as an Unrestricted Subsidiary;
PROVIDED that such designation is in compliance with clause (l) of the
definition of Permitted Investment.

         SECTION 11.03. SUCCESSORS AND ASSIGNS. This Article 11 shall be binding
upon each Subsidiary Guarantor and its successors and assigns and shall inure to
the benefit of the successors and assigns of the Trustee and the Holders and, in
the event of any transfer or assignment of rights by any Holder or the Trustee,
the rights and privileges conferred upon that party in this Indenture and in the
Securities shall automatically extend to and be vested in such transferee or
assignee, all subject to the terms and conditions of this Indenture.

         SECTION 11.04. NO WAIVER. Neither a failure nor a delay on the part of
either the Trustee or the Holders in exercising any right, power or privilege
under this Article 11 shall operate as a waiver thereof, nor shall a single or
partial exercise thereof preclude any other or further exercise of any right,
power or privilege. The rights, remedies and benefits of the Trustee and the
Holders herein expressly specified are cumulative and not exclusive of any other
rights, remedies or benefits which either may have under this Article 11 at law,
in equity, by statute or otherwise.

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                                                                              65

         SECTION 11.05. MODIFICATION. No modification, amendment or waiver of
any provision of this Article 11, nor the consent to any departure by any
Subsidiary Guarantor therefrom, shall in any event be effective unless the same
shall be in writing and signed by the Trustee, and then such waiver or consent
shall be effective only in the specific instance and for the purpose for which
given. No notice to or demand on any Subsidiary Guarantor in any case shall
entitle such Subsidiary Guarantor to any other or further notice or demand in
the same, similar or other circumstances.

         SECTION 11.06. EXECUTION OF SUPPLEMENTAL INDENTURE FOR FUTURE
SUBSIDIARY GUARANTORS. Each Subsidiary which is required to become a Subsidiary
Guarantor pursuant to Section 4.11 shall promptly execute and deliver to the
Trustee a supplemental indenture in the form of Exhibit C hereto pursuant to
which such Subsidiary shall become a Subsidiary Guarantor under this Article 11
and shall guarantee the Guaranteed Obligations. Concurrently with the execution
and delivery of such supplemental indenture, the Company shall deliver to the
Trustee an Opinion of Counsel and an Officers' Certificate to the effect that
such supplemental indenture has been duly authorized, executed and delivered by
such Subsidiary and that, subject to the application of bankruptcy, insolvency,
moratorium, fraudulent conveyance or transfer and other similar laws relating to
creditors' rights generally and to the principles of equity, whether considered
in a proceeding at law or in equity, the Subsidiary Guarantee of such Subsidiary
Guarantor is a valid and binding obligation of such Subsidiary Guarantor,
enforceable against such Subsidiary Guarantor in accordance with its terms and
or to such other matters as the Trustee may reasonably request.

         SECTION 11.07. NON-IMPAIRMENT. The failure to endorse a Subsidiary
Guarantee on any Security shall not affect or impair the validity thereof.

                                   ARTICLE 12

                   SUBORDINATION OF THE SUBSIDIARY GUARANTEES

         SECTION 12.01. AGREEMENT TO SUBORDINATE. Each Subsidiary Guarantor
agrees, and each Holder by accepting a Security agrees, that the obligations of
a Subsidiary Guarantor hereunder are subordinated in right of payment, to the
extent and in the manner provided in this Article 12, to the prior payment in
full of all Senior Indebtedness of such Subsidiary Guarantor and that the
subordination is for the benefit of and enforceable by the holders of such
Senior Indebtedness of such Subsidiary Guarantor. The obligations hereunder with
respect to a Subsidiary Guarantor shall in all respects rank PARI PASSU with all
other Senior Subordinated Indebtedness of such Subsidiary Guarantor and shall
rank senior to all existing and future Subordinated Obligations of such
Subsidiary Guarantor; and only Indebtedness of such Subsidiary Guarantor that is
Senior Indebtedness of such Subsidiary Guarantor shall rank senior to the
obligations of such Subsidiary Guarantor under its Subsidiary Guarantee in
accordance with the provisions set forth herein.

         SECTION 12.02. LIQUIDATION, DISSOLUTION, BANKRUPTCY. Upon any payment
or distribution of the assets of a Subsidiary Guarantor to creditors upon a
total or partial liquidation or a total or partial dissolution of such
Subsidiary Guarantor or in a bankruptcy,

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reorganization, insolvency, receivership or similar proceeding relating to such
Subsidiary Guarantor or its property:

<Page>

                                                                              67

         (a) holders of Senior Indebtedness of such Subsidiary Guarantor shall
     be entitled to receive payment in full in cash of such Senior Indebtedness
     before Holders shall be entitled to receive any payment pursuant to any
     Guaranteed Obligations from such Subsidiary Guarantor; and

         (b) until the Senior Indebtedness of such Subsidiary Guarantor is paid
     in full, any payment or distribution to which Holders would be entitled but
     for this Article 12 shall be made to holders of such Senior Indebtedness as
     their respective interests may appear, except that Holders may receive any
     debt securities that are subordinated to such Senior Indebtedness to at
     least the same extent as the Subsidiary Guarantees.

         SECTION 12.03. DEFAULT ON DESIGNATED SENIOR INDEBTEDNESS OF A
SUBSIDIARY GUARANTOR. A Subsidiary Guarantor may not make any payment pursuant
to any of the Guaranteed Obligations or purchase, repurchase, redeem or
otherwise acquire or retire for value any Securities (collectively, "pay its
Guarantee") if (a) any Designated Senior Indebtedness of such Subsidiary
Guarantor is not paid when due or (b) any other default on Designated Senior
Indebtedness of such Subsidiary Guarantor occurs and the maturity of such
Designated Senior Indebtedness is accelerated in accordance with its terms
unless, in either case, (i) the default has been cured or waived and any such
acceleration has been rescinded or (ii) such Designated Senior Indebtedness has
been paid in full; PROVIDED, HOWEVER, that such Subsidiary Guarantor may pay its
Guarantee without regard to the foregoing if such Subsidiary Guarantor and the
Trustee receive written notice approving such payment from the Representative of
the holders of the Designated Senior Indebtedness with respect to which either
of the events in clause (a) or (b) of this sentence has occurred and is
continuing. During the continuance of any default (other than a default
described in clause (a) or (b) of the preceding sentence) with respect to any
Designated Senior Indebtedness of a Subsidiary Guarantor pursuant to which the
maturity thereof may be accelerated immediately without further notice (except
such notice as may be required to effect such acceleration) or the expiration of
any applicable grace periods, such Subsidiary Guarantor may not pay its
Guarantee for a period (a "Guarantee Payment Blockage Period") commencing upon
the receipt by the Trustee (with a copy to such Subsidiary Guarantor and the
Company) of written notice (a "Guarantee Blockage Notice") of such default from
the Representative of the holders of the Designated Senior Indebtedness of such
Subsidiary Guarantor specifying an election to effect a Guarantee Payment
Blockage Period and ending 179 days thereafter (or earlier if such Guarantee
Payment Blockage Period is terminated (a) by written notice to the Trustee (with
a copy to such Subsidiary Guarantor and the Company) from the Person or Persons
who gave such Guarantee Blockage Notice, (b) because such Designated Senior
Indebtedness has been repaid in full or (c) because the default giving rise to
such Guarantee Blockage Notice is no longer continuing). Notwithstanding the
provisions described in the immediately preceding sentence (but subject to the
provisions contained in the first sentence of this Section 12.03 and the next
sentence), unless the holders of such Designated Senior Indebtedness or the
Representative of such holders shall have accelerated the maturity of such
Designated Senior Indebtedness, such Subsidiary Guarantor may resume to paying
its Subsidiary Guarantee after such Guarantee Payment Blockage Period, including
any missed payments. Not more than one Guarantee Blockage Notice may be given
with respect to a Subsidiary Guarantor in any consecutive 360-day period,
irrespective of the number of defaults with respect to Designated Senior
Indebtedness of such Subsidiary Guarantor during such period; PROVIDED, HOWEVER,
that if any Guarantee Blockage Notice within such 360-day period is given by or
on behalf of any holders of Designated Senior Indebtedness of such Subsidiary
Guarantor other than the Bank Indebtedness, the Representative of the Bank
Indebtedness may give another Guarantee Blockage Notice within such period;
PROVIDED FURTHER, HOWEVER, that in no event may the total

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                                                                              68

number of days during which any Guarantee Payment Blockage Period or Periods is
in effect exceed 179 days in the aggregate during any 360 consecutive day
period. For purposes of this Section 12.03, no default or event of default that
existed or was continuing on the date of the commencement of any Guarantee
Payment Blockage Period with respect to the Designated Senior Indebtedness
initiating such Guarantee Payment Blockage Period shall be, or be made, the
basis of the commencement of a subsequent Guarantee Payment Blockage Period by
the Representative of such Designated Senior Indebtedness, whether or not within
a period of 360 consecutive days, unless such default or event of default shall
have been cured or waived for a period of not less than 90 consecutive days.

         SECTION 12.04. DEMAND FOR PAYMENT. If payment of the Securities is
accelerated because of an Event of Default and a demand for payment is made on a
Subsidiary Guarantor pursuant to Article 11, the Trustee (PROVIDED that the
Trustee shall have received written notice from the Company or such Subsidiary
Guarantor, on which notice the Trustee shall be entitled to conclusively rely)
shall promptly notify the holders of the Designated Senior Indebtedness of such
Subsidiary Guarantor (or the Representative of such holders) of such demand. If
any Designated Senior Indebtedness of such Subsidiary Guarantor is outstanding,
such Subsidiary Guarantor may not pay its Guarantee until five Business Days
after such holders or the Representative of the holders of the Designated Senior
Indebtedness of such Subsidiary Guarantor receive notice of such demand and,
thereafter, may pay its Guarantee only if this Article 12 otherwise permits
payment at that time.

         SECTION 12.05. WHEN DISTRIBUTION MUST BE PAID OVER. If a payment or
distribution is made to Holders that because of this Article 12 should not have
been made to them, the Holders who receive the payment or distribution shall
hold such payment or distribution in trust for holders of the Senior
Indebtedness of the relevant Subsidiary Guarantor and pay it over to them as
their respective interests may appear.

         SECTION 12.06. SUBROGATION. After all Senior Indebtedness of a
Subsidiary Guarantor is paid in full and until the Securities are paid in full
in cash, Holders shall be subrogated to the rights of holders of Senior
Indebtedness of such Subsidiary Guarantor to receive distributions applicable to
Designated Senior Indebtedness of such Subsidiary Guarantor. A distribution made
under this Article 12 to holders of Senior Indebtedness of such Subsidiary
Guarantor which otherwise would have been made to Holders is not, as between
such Subsidiary Guarantor and Holders, a payment by such Subsidiary Guarantor on
Senior Indebtedness of such Subsidiary Guarantor.

         SECTION 12.07. RELATIVE RIGHTS. This Article 12 defines the relative
rights of Holders and holders of Senior Indebtedness of a Subsidiary Guarantor.
Nothing in this Indenture shall:

         (a) impair, as between a Subsidiary Guarantor and Holders, the
     obligation of a Subsidiary Guarantor which is absolute and unconditional,
     to make payments with respect to the Guaranteed Obligations to the extent
     set forth in Article 11; or

         (b) prevent the Trustee or any Holder from exercising its available
     remedies upon a default by a Subsidiary Guarantor under its obligations
     with respect to the Guaranteed Obligations, subject to the rights of
     holders of Senior Indebtedness of such Subsidiary Guarantor to receive
     distributions otherwise payable to Holders.

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                                                                              69

         SECTION 12.08. SUBORDINATION MAY NOT BE IMPAIRED BY A SUBSIDIARY NOTE
GUARANTOR. No right of any holder of Senior Indebtedness of a Subsidiary
Guarantor to enforce the subordination of the obligations of such Subsidiary
Guarantor hereunder shall be impaired by any act or failure to act by such
Subsidiary Guarantor or by its failure to comply with this Indenture.

         SECTION 12.09. RIGHTS OF TRUSTEE AND PAYING AGENT. Notwithstanding
Section 12.03, the Trustee or the Paying Agent may continue to make payments on
the Securities and shall not be charged with knowledge of the existence of facts
that would prohibit the making of any such payments unless, not less than two
Business Days prior to the date of such payment, a Trust Officer of the Trustee
receives notice satisfactory to it that payments may not be made under this
Article 12. A Subsidiary Guarantor, the Registrar, the Paying Agent, a
Representative or a holder of Senior Indebtedness of a Subsidiary Guarantor may
give the notice; PROVIDED, HOWEVER, that if an issue of Senior Indebtedness of a
Subsidiary Guarantor has a Representative, only the Representative may give the
notice.

         The Trustee in its individual or any other capacity may hold Senior
Indebtedness of a Subsidiary Guarantor with the same rights it would have if it
were not Trustee. The Registrar and the Paying Agent may do the same with like
rights. The Trustee shall be entitled to all the rights set forth in this
Article 12 with respect to any Senior Indebtedness of a Subsidiary Guarantor
which may at any time be held by it, to the same extent as any other holder of
Senior Indebtedness of such Subsidiary Guarantor; and nothing in Article 7 shall
deprive the Trustee of any of its rights as such holder. Nothing in this Article
12 shall apply to claims of, or payments to, the Trustee under or pursuant to
Section 7.07 or any other Section of this Indenture.

         SECTION 12.10. DISTRIBUTION OR NOTICE TO REPRESENTATIVE. Whenever a
distribution is to be made or a notice given to holders of Senior Indebtedness
of a Subsidiary Guarantor, the distribution may be made and the notice given to
their Representative (if any).

         SECTION 12.11. ARTICLE 12 NOT TO PREVENT EVENTS OF DEFAULT OR LIMIT
RIGHT TO ACCELERATE. The failure of a Subsidiary Guarantor to make a payment on
any of its obligations by reason of any provision in this Article 12 shall not
be construed as preventing the occurrence of a default by such Subsidiary
Guarantor under such obligations. Nothing in this Article 12 shall have any
effect on the right of the Holders or the Trustee to make a demand for payment
on a Subsidiary Guarantor pursuant to Article 11.

         SECTION 12.12. TRUSTEE ENTITLED TO RELY. Upon any payment or
distribution pursuant to this Article 12, the Trustee and the Holders shall be
entitled to conclusively rely (a) upon any order or decree of a court of
competent jurisdiction in which any proceedings of the nature referred to in
Section 12.02 are pending, (b) upon a certificate of the liquidating trustee or
agent or other Person making such payment or distribution to the Trustee or to
the Holders or (c) upon the Representatives for the holders of Senior
Indebtedness of a Subsidiary Guarantor for the purpose of ascertaining the
Persons entitled to participate in such payment or distribution, the holders of
the Senior Indebtedness of a Subsidiary Guarantor and other Indebtedness of a
Subsidiary Guarantor, the amount thereof or payable thereon, the amount or
amounts paid or distributed thereon and all other facts pertinent thereto or to
this Article 12. In the event that the Trustee determines, in good faith, that
evidence is required with respect to the right of any Person as a holder of
Senior Indebtedness of a Subsidiary Guarantor to participate in any payment or
distribution pursuant to this Article 12, the Trustee may request such Person to
furnish evidence to the reasonable satisfaction of the Trustee as to the amount
of Senior

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Indebtedness of such Subsidiary Guarantor held by such Person, the extent to
which such Person is entitled to participate in such payment or distribution and
other facts pertinent to the rights of such Person under this Article 12, and,
if such evidence is not furnished, the Trustee may defer any payment to such
Person pending judicial determination as to the right of such Person to receive
such payment. The provisions of Sections 7.01 and 7.02 shall be applicable to
all actions or omissions of actions by the Trustee pursuant to this Article 12.

         SECTION 12.13. TRUSTEE TO EFFECTUATE SUBORDINATION. Each Holder by
accepting a Security authorizes and directs the Trustee on his or her behalf to
take such action as may be necessary or appropriate to acknowledge or effectuate
the subordination between the Holders and the holders of Senior Indebtedness of
each of the Subsidiary Guarantors as provided in this Article 12 and appoints
the Trustee as attorney-in-fact for any and all such purposes.

         SECTION 12.14. TRUSTEE NOT FIDUCIARY FOR HOLDERS OF SENIOR INDEBTEDNESS
OF A SUBSIDIARY GUARANTOR. The Trustee shall not be deemed to owe any fiduciary
duty to the holders of Senior Indebtedness of a Subsidiary Guarantor and shall
not be liable to any such holders if it shall mistakenly pay over or distribute
to Holders or the relevant Subsidiary Guarantor or any other Person, money or
assets to which any holders of Senior Indebtedness of such Subsidiary Guarantor
shall be entitled by virtue of this Article 12 or otherwise.

         SECTION 12.15. RELIANCE BY HOLDERS OF SENIOR INDEBTEDNESS OF A
SUBSIDIARY GUARANTOR ON SUBORDINATION PROVISIONS. Each Holder by accepting a
Security acknowledges and agrees that the foregoing subordination provisions
are, and are intended to be, an inducement and a consideration to each holder of
any Senior Indebtedness of a Subsidiary Guarantor, whether such Senior
Indebtedness was created or acquired before or after the issuance of the
Securities, to acquire and continue to hold, or to continue to hold, such Senior
Indebtedness and such holder of Senior Indebtedness shall be deemed conclusively
to have relied on such subordination provisions in acquiring and continuing to
hold, or in continuing to hold, such Senior Indebtedness.

         SECTION 12.16. DEFEASANCE. Notwithstanding anything contained herein to
the contrary, payments from money or the proceeds of U.S. Government Obligations
held in trust under Article 8 by the Trustee for the payment of principal of,
and interest and liquidated damages on, the Securities shall not be subordinated
to the prior payment of any Senior Indebtedness of any Subsidiary Guarantor or
subject to the restrictions set forth in this Article 12, and none of the
Holders shall be obligated to pay over any such amount to a Subsidiary Guarantor
or any holder of Senior Indebtedness of Subsidiary Guarantor or any other
creditor of a Subsidiary Guarantor.

                                   ARTICLE 13

                                  MISCELLANEOUS

         SECTION 13.01. TRUST INDENTURE ACT CONTROLS. If and to the extent that
any provision of this Indenture limits, qualifies or conflicts with the duties
imposed by, or with another provision (an "incorporated provision") included in
this Indenture by operation of, Sections 310 to 318 of the TIA, inclusive, such
imposed duties or incorporated provision shall control.

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                                                                              71

         SECTION 13.02. NOTICES. Any notice or communication shall be in writing
and delivered in person or mailed by first-class mail or facsimile with receipt
confirmed addressed as follows:

                        if to the Company:

                        Alliant Techsystems Inc.
                        600 Second Street NE
                        Hopkins, MN 55343
                        Facsimile: (952) 931-5910

                        Attention of:  Eric S. Rangen

                        if to the Trustee:

                        BNY Midwest Trust Company
                        2 North LaSalle Street, Suite 1020
                        Chicago, Illinois 60602
                        Facsimile: (312) 827-8542

                        Attention of:
                        Corporate Trust Department

         The Company or the Trustee by notice to the other may designate
additional or different addresses for subsequent notices or communications.

         Any notice or communication mailed to a Holder shall be mailed, first
class mail, to the Holder at the Holder's address as it appears on the
registration books of the Registrar and shall be sufficiently given if so mailed
or sent within the time prescribed.

         Failure to mail a notice or communication to a Holder or any defect in
it shall not affect its sufficiency with respect to other Holders. If a notice
or communication is mailed in the manner provided above, it is duly given,
whether or not the addressee receives it.

         SECTION 13.03. COMMUNICATION BY HOLDERS WITH OTHER HOLDERS. Holders may
communicate pursuant to Section 312(b) of the TIA with other Holders with
respect to their rights under this Indenture or the Securities. The Company, the
Trustee, the Registrar and anyone else shall have the protection of Section
312(c) of the TIA.

         SECTION 13.04. CERTIFICATE AND OPINION AS TO CONDITIONS PRECEDENT. Upon
any request or application by the Company to the Trustee to take or refrain from
taking any action under this Indenture (it being understood that no Opinion of
Counsel or Officers' Certificate shall be required pursuant to this Section
13.04 in connection with the issuance of the Original Securities on the Closing
Date), the Company shall furnish to the Trustee:

         (a) an Officers' Certificate in form reasonably satisfactory to the
     Trustee stating that, in the opinion of the signers, all conditions
     precedent, if any, provided for in this Indenture relating to the proposed
     action have been complied with; and

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                                                                              72

         (b) an Opinion of Counsel in form reasonably satisfactory to the
     Trustee stating that, in the opinion of such counsel, all such conditions
     precedent have been complied with.

         SECTION 13.05. STATEMENTS REQUIRED IN CERTIFICATE OR OPINION. Each
certificate or opinion with respect to compliance with a covenant or condition
provided for in this Indenture (other than pursuant to Section 4.09) shall
include:

         (a) a statement that the individual making such certificate or opinion
     has read such covenant or condition;

         (b) a brief statement as to the nature and scope of the examination or
     investigation upon which the statements or opinions contained in such
     certificate or opinion are based;

         (c) a statement that, in the opinion of such individual, he has made
     such examination or investigation as is necessary to enable him to express
     an informed opinion as to whether or not such covenant or condition has
     been complied with; and

         (d) a statement as to whether or not, in the opinion of such
     individual, such covenant or condition has been complied with.

         SECTION 13.06. WHEN SECURITIES DISREGARDED. In determining whether the
Holders of the required principal amount of Securities have concurred in any
direction, waiver or consent, Securities owned by the Company, any Subsidiary
Guarantor or by any Person directly or indirectly controlling or controlled by
or under direct or indirect common control with the Company or any Subsidiary
Guarantor shall be disregarded and deemed not to be outstanding, except that,
for the purpose of determining whether the Trustee shall be protected in relying
on any such direction, waiver or consent, only Securities which a Trust Officer
actually knows are so owned shall be so disregarded. Subject to the foregoing,
only Securities outstanding at the time shall be considered in any such
determination.

         SECTION 13.07. RULES BY TRUSTEE, PAYING AGENT AND REGISTRAR. The
Trustee may make reasonable rules for action by or a meeting of Holders. The
Registrar and the Paying Agent may make reasonable rules for their functions.

         SECTION 13.08. LEGAL HOLIDAYS. If a payment date is a Legal Holiday,
payment shall be made on the next succeeding day that is not a Legal Holiday,
and no interest shall accrue for the intervening period. If a regular record
date is a Legal Holiday, the record date shall not be affected.

         SECTION 13.09. GOVERNING LAW. THIS INDENTURE AND THE SECURITIES SHALL
BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW
YORK BUT WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO
THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE
REQUIRED THEREBY.

         SECTION 13.10. NO RECOURSE AGAINST OTHERS. A director, officer,
employee or stockholder, as such, of the Company or any of the Subsidiary
Guarantors, shall not have any liability for any obligations of the Company or
any of the Subsidiary Guarantors

<Page>

                                                                              73

under the Securities or this Indenture or for any claim based on, in respect of
or by reason of such obligations or their creation. By accepting a Security,
each Holder shall waive and release all such liability. The waiver and release
shall be part of the consideration for the issue of the Securities.

         SECTION 13.11. SUCCESSORS. All agreements of the Company and each
Subsidiary Guarantor in this Indenture and the Securities shall bind its
successors. All agreements of the Trustee in this Indenture shall bind its
successors.

         SECTION 13.12. MULTIPLE ORIGINALS. The parties may sign any number of
copies of this Indenture. Each signed copy shall be an original, but all of them
together represent the same agreement. One signed copy is enough to prove this
Indenture.

         SECTION 13.13. TABLE OF CONTENTS; HEADINGS. The table of contents,
cross-reference sheet and headings of the Articles and Sections of this
Indenture have been inserted for convenience of reference only, are not intended
to be considered a part hereof and shall not modify or restrict any of the terms
or provisions hereof.

<Page>

                                                                              74

         IN WITNESS WHEREOF, the parties have caused this Indenture to be duly
executed as of the date first written above.

                                ALLIANT TECHSYSTEMS INC.,

                                by  /s/ Scott S. Meyers
                                    ----------------------------------
                                    Name: Scott S. Meyers
                                    Title: President

                                ALLIANT AMMUNITION SYSTEMS
                                    COMPANY LLC,
                                NEW RIVER ENERGETICS, INC.,
                                ALLIANT HOLDINGS LLC,
                                ALLIANT PROPULSION AND
                                    COMPOSITES LLC,
                                ALLIANT SOUTHERN COMPOSITES
                                    COMPANY LLC,
                                ALLIANT DEFENSE LLC,
                                ALLIANT AMMUNITION AND
                                    POWDER COMPANY LLC,
                                ALLIANT PRECISION FUZE COMPANY LLC,
                                ALLIANT INTEGRATED DEFENSE
                                    COMPANY LLC,
                                ALLIANT INTERNATIONAL HOLDINGS INC.,
                                ALLIANT MISSILE PRODUCTS
                                    COMPANY LLC,
                                ALLIANT AEROSPACE COMPANY,
                                ALLIANT AEROSPACE PROPULSION
                                    COMPANY LLC,
                                ALLIANT AEROSPACE COMPOSITE
                                    STRUCTURES COMPANY LLC,
                                ALLIANT LAKE CITY SMALL CALIBER
                                    AMMUNITION COMPANY LLC,
                                THIOKOL PROPULSION CORP.,
                                THIOKOL TECHNOLOGIES
                                    INTERNATIONAL, INC.,

                                        by  /s/ Scott S. Meyers
                                            ----------------------------------
                                            Name: Scott S. Meyers
                                            Title: President

<Page>

                                                                              75

                                BNY MIDWEST TRUST COMPANY, as
                                Trustee

                                by  /s/ D. G. Donovan
                                    ----------------------------------
                                    Name:  D. G. Donovan
                                    Title:  Assistant Vice President

<Page>

                                                                      SCHEDULE I
                                                                      ----------

SUBSIDIARY GUARANTORS

ALLIANT AMMUNITION SYSTEMS COMPANY LLC
NEW RIVER ENERGETICS, INC.
ALLIANT HOLDINGS LLC
ALLIANT PROPULSION AND COMPOSITES LLC
ALLIANT SOUTHERN COMPOSITES COMPANY LLC
ALLIANT DEFENSE LLC
ALLIANT AMMUNITION AND POWDER COMPANY LLC
ALLIANT PRECISION FUZE COMPANY LLC
ALLIANT INTEGRATED DEFENSE COMPANY LLC
ALLIANT INTERNATIONAL HOLDINGS INC.
ALLIANT MISSILE PRODUCTS COMPANY LLC
ALLIANT AEROSPACE COMPANY
ALLIANT AEROSPACE PROPULSION COMPANY LLC
ALLIANT AEROSPACE COMPOSITE STRUCTURES COMPANY LLC
ALLIANT LAKE CITY SMALL CALIBER AMMUNITION COMPANY LLC
THIOKOL PROPULSION CORP.
THIOKOL TECHNOLOGIES INTERNATIONAL, INC.

                                        1

<Page>

                                                                      APPENDIX A

                   PROVISIONS RELATING TO ORIGINAL SECURITIES,
                   -------------------------------------------
                             ADDITIONAL SECURITIES,
                             ----------------------
                           PRIVATE EXCHANGE SECURITIES
                           ---------------------------
                             AND EXCHANGE SECURITIES
                             -----------------------

         1. DEFINITIONS

         1.1 DEFINITIONS

         For the purposes of this Appendix A the following terms shall have the
meanings indicated below:

               "Applicable Procedures" means, with respect to any transfer or
transaction involving a Regulation S Global Security or beneficial interest
therein, the rules and procedures of the Depositary for such Global Security,
Euroclear and Clearstream, in each case to the extent applicable to such
transaction and as in effect from time to time.

               "Clearstream" means Clearstream Banking, societe anonyme, or any
successor securities clearing agency.

               "Definitive Security" means a certificated Initial Security,
Private Exchange Security or Exchange Security (bearing the Restricted
Securities Legend if the transfer of such Security is restricted by applicable
law) that does not include the Global Securities Legend.

               "Depositary" means The Depository Trust Company, its nominees and
their respective successors and any other depositary with which the Securities
may be deposited from time to time.

               "Euroclear" means the Euroclear Clearance System or any successor
securities clearing agency.

               "Global Securities Legend" means the legend set forth under that
caption in Exhibit A to this Indenture.

               "IAI" means an institutional "accredited investor" as described
in Rule 501(a)(1), (2), (3) or (7) under the Securities Act.

               "Initial Purchasers" means J.P. Morgan Securities Inc., BNY
Capital Markets, Inc., Credit Lyonnais Securities (USA) Inc., TD Securities
(USA) Inc., First Union Securities, Inc. and U.S. Bancorp Libra, a division of
U.S. Bancorp Investments Inc.

               "Private Exchange" means an offer by the Company, pursuant to a
Registration Agreement, to issue and deliver to certain purchasers, in exchange
for the surrender of the Initial Securities held by such purchasers as part of
their initial distribution, a like aggregate principal amount of Private
Exchange Securities.

               "Private Exchange Securities" means the Securities of the Company
issued in exchange for Initial Securities pursuant to this Indenture in
connection with a Private Exchange pursuant to a Registration Agreement.

                                       1
<Page>

                                                                               2

               "Purchase Agreement" means (a) the Purchase Agreement dated May
9, 2001, among the Company, the Subsidiary Guarantors and the Initial Purchasers
and (b) any other similar Purchase Agreement relating to Additional Securities.

               "QIB" means a "qualified institutional buyer" as defined in Rule
144A.

               "Registered Exchange Offer" means the offer by the Company,
pursuant to a Registration Agreement, to certain Holders of Initial Securities,
to issue and deliver to such Holders, in exchange for their Initial Securities,
a like aggregate principal amount of Exchange Securities registered under the
Securities Act.

               "Registration Agreement" means (a) the Exchange and Registration
Rights Agreement dated May 14, 2001, among the Company, the Subsidiary
Guarantors and the Initial Purchasers and (b) any other similar Exchange and
Registration Rights Agreement relating to Additional Securities.

               "Regulation S" means Regulation S under the Securities Act.

               "Regulation S Securities" means all Initial Securities offered
and sold outside the United States in reliance on Regulation S.

               "Restricted Period", with respect to any Securities, means the
period of 40 consecutive days beginning on and including the later of (a) the
day on which such Securities are first offered to persons other than
distributors (as defined in Regulation S under the Securities Act) in reliance
on Regulation S, notice of which day shall be promptly given by the Company to
the Trustee, and (b) the Issue Date with respect to such Securities.

               "Restricted Securities Legend" means the legend set forth in
Section 2.3(e)(i) herein.

               "Rule 501" means Rule 501(a)(1), (2), (3) or (7) under the
Securities Act.

               "Rule 144A" means Rule 144A under the Securities Act.

               "Rule 144A Securities" means all Initial Securities offered and
sold to QIBs in reliance on Rule 144A.

               "Securities Act" means the Securities Act of 1933, as amended.

               "Securities Custodian" means the custodian with respect to a
Global Security (as appointed by the Depositary) or any successor person
thereto, who shall initially be the Trustee.

               "Shelf Registration Statement" means a registration statement
filed by the Company in connection with the offer and sale of Initial Securities
pursuant to a Registration Agreement.

               "Transfer Restricted Securities" means Definitive Securities and
any other Securities that bear or are required to bear the Restricted Securities
Legend.

<Page>

                                                                               3

         1.2  OTHER DEFINITIONS

<Table>
<Caption>
         Term:                                        Defined in Section:
         ----                                         ------------------
<S>                                                               <C>
"Agent Members"....................................................2.1(c)
"IAI Global Security"..............................................2.1(b)
"Global Security"..................................................2.1(b)
"Regulation S Global Security".....................................2.1(b)
"Rule 144A Global Security"........................................2.1(b)
</Table>

         2. THE SECURITIES

         2.1 FORM AND DATING

               (a) The Initial Securities issued on the date hereof will be (i)
offered and sold by the Company pursuant to a Purchase Agreement and (ii)
resold, initially only to (1) QIBs in reliance on Rule 144A and (2) Persons
other than U.S. Persons (as defined in Regulation S) in reliance on Regulation
S. Such Initial Securities may thereafter be transferred to, among others, QIBs,
purchasers in reliance on Regulation S and, except as set forth below, IAIs in
accordance with Rule 501. Additional Securities offered after the date hereof
may be offered and sold by the Company from time to time pursuant to one or more
Purchase Agreements in accordance with applicable law.

               (b) GLOBAL SECURITIES. Rule 144A Securities shall be issued
initially in the form of one or more permanent global Securities in definitive,
fully registered form (collectively, the "Rule 144A Global Security") and
Regulation S Securities shall be issued initially in the form of one or more
global Securities (collectively, the "Regulation S Global Security"), in each
case without interest coupons and bearing the Global Securities Legend and
Restricted Securities Legend, which shall be deposited on behalf of the
purchasers of the Securities represented thereby with the Securities Custodian,
and registered in the name of the Depositary or a nominee of the Depositary,
duly executed by the Company and authenticated by the Trustee as provided in
this Indenture. One or more global securities in definitive, fully registered
form without interest coupons and bearing the Global Securities Legend and the
Restricted Securities Legend (collectively, the "IAI Global Security") shall
also be issued on the Closing Date, deposited with the Securities Custodian, and
registered in the name of the Depositary or a nominee of the Depositary, duly
executed by the Company and authenticated by the Trustee as provided in this
Indenture to accommodate transfers of beneficial interests in the Securities to
IAIs subsequent to the initial distribution. Beneficial ownership interests in
the Regulation S Global Security shall not be exchangeable for interests in the
Rule 144A Global Security, the IAI Global Security or any other Security without
a Restricted Securities Legend until the expiration of the Restricted Period.
The Rule 144A Global Security, the IAI Global Security and the Regulation S
Global Security are each referred to herein as a "Global Security" and are
collectively referred to herein as "Global Securities", PROVIDED, that the term
"Global Security" when used in Sections 2.1(b)(third paragraph), 2.1(c),
2.3(g)(i), 2.3(h)(i) and 2.4 shall also include any Security in global form
issued in connection with a Registered Exchange Offer or Private Exchange. The
aggregate principal amount of the Global Securities may from time to time be
increased or decreased by adjustments made on the records of the Trustee and the
Depositary or its nominee and on the schedules thereto as hereinafter provided.

<Page>

                                                                               4

               (c) BOOK-ENTRY PROVISIONS. This Section 2.1(c) shall apply only
to a Global Security deposited with or on behalf of the Depositary.

               The Company shall execute and the Trustee shall, in accordance
with this Section 2.1(c) and Section 2.2 and pursuant to an order of the Company
signed by two Officers, authenticate and deliver initially one or more Global
Securities that (i) shall be registered in the name of the Depositary for such
Global Security or Global Securities or the nominee of such Depositary and (ii)
shall be delivered by the Trustee to such Depositary or pursuant to such
Depositary's instructions or held by the Trustee as Securities Custodian.

               Members of, or participants in, the Depositary ("Agent Members")
shall have no rights under this Indenture with respect to any Global Security
held on their behalf by the Depositary or by the Trustee as Securities Custodian
or under such Global Security, and the Depositary may be treated by the Company,
the Trustee and any agent of the Company or the Trustee as the absolute owner of
such Global Security for all purposes whatsoever. Notwithstanding the foregoing,
nothing herein shall prevent the Company, the Trustee or any agent of the
Company or the Trustee from giving effect to any written certification, proxy or
other authorization furnished by the Depositary or impair, as between the
Depositary and its Agent Members, the operation of customary practices of such
Depositary governing the exercise of the rights of a holder of a beneficial
interest in any Global Security.

               (d) DEFINITIVE SECURITIES. Except as provided in Section 2.3 or
2.4, owners of beneficial interests in Global Securities will not be entitled to
receive physical delivery of certificated Securities.

         2.2 AUTHENTICATION. The Trustee shall authenticate and make available
for delivery upon a written order of the Company signed by two Officers (a)
Original Securities for original issue on the date hereof in an aggregate
principal amount of $400,000,000, (b) subject to the terms of this Indenture,
Additional Securities in an aggregate principal amount of up to $200,000,000 and
(c) the (i) Exchange Securities for issue only in a Registered Exchange Offer
and (ii) Private Exchange Securities for issue only in the Private Exchange, in
the case of each of (i) and (ii) pursuant to a Registration Agreement and for a
like principal amount of Initial Securities surrendered for exchange pursuant
thereto. Such order shall specify the amount of the Securities to be
authenticated, the date on which the original issue of Securities is to be
authenticated and whether the Securities are to be Initial Securities, Exchange
Securities or Private Exchange Securities. The aggregate principal amount of
Securities outstanding at any time may not exceed $400,000,000 except as
provided in Sections 2.08 and 2.09 of this Indenture. Notwithstanding anything
to the contrary in this Appendix or otherwise in this Indenture, any issuance of
Additional Securities after the Closing Date shall be in a principal amount of
at least $50,000,000, whether such Additional Securities are of the same or a
different series than the Original Securities.

         2.3 TRANSFER AND EXCHANGE. (a) TRANSFER AND EXCHANGE OF DEFINITIVE
SECURITIES. When Definitive Securities are presented to the Registrar with a
request:

               (i) to register the transfer of such Definitive Securities; or

               (ii) to exchange such Definitive Securities for an equal
         principal amount of Definitive Securities of other authorized
         denominations,

<Page>

                                                                               5

the Registrar shall register the transfer or make the exchange as requested if
its reasonable requirements for such transaction are met; PROVIDED, HOWEVER,
that the Definitive Securities surrendered for transfer or exchange:

               (1) shall be duly endorsed or accompanied by a written instrument
         of transfer in form reasonably satisfactory to the Company and the
         Registrar, duly executed by the Holder thereof or his attorney duly
         authorized in writing; and

               (2) in the case of Transfer Restricted Securities, are
         accompanied by the following additional information and documents, as
         applicable:

                    (A) if such Definitive Securities are being delivered to the
               Registrar by a Holder for registration in the name of such
               Holder, without transfer, a certification from such Holder to
               that effect (in the form set forth on the reverse side of the
               Initial Security); or

                    (B) if such Definitive Securities are being transferred to
               the Company, a certification to that effect (in the form set
               forth on the reverse side of the Initial Security); or

                    (C) if such Definitive Securities are being transferred
               pursuant to an exemption from registration in accordance with
               Rule 144 under the Securities Act or in reliance upon another
               exemption from the registration requirements of the Securities
               Act, (x) a certification to that effect (in the form set forth on
               the reverse side of the Initial Security) and (y) if the Company
               so requests, an opinion of counsel or other evidence reasonably
               satisfactory to it as to the compliance with the restrictions set
               forth in the legend set forth in Section 2.3(e)(i).

               (b) RESTRICTIONS ON TRANSFER OF A DEFINITIVE SECURITY FOR A
BENEFICIAL INTEREST IN A GLOBAL SECURITY. A Definitive Security may not be
exchanged for a beneficial interest in a Global Security except upon
satisfaction of the requirements set forth below. Upon receipt by the Trustee of
a Definitive Security, duly endorsed or accompanied by a written instrument of
transfer in form reasonably satisfactory to the Company and the Registrar,
together with:

               (i) certification (in the form set forth on the reverse side of
         the Initial Security) that such Definitive Security is being
         transferred (1) to a QIB in accordance with Rule 144A, (2) to an IAI
         that has furnished to the Trustee a signed letter substantially in the
         form of Exhibit D or (3) outside the United States in an offshore
         transaction within the meaning of Regulation S and in compliance with
         Rule 904 under the Securities Act; and

               (ii) written instructions directing the Trustee to make, or to
         direct the Securities Custodian to make, an adjustment on its books and
         records with respect to such Global Security to reflect an increase in
         the aggregate principal amount of the Securities represented by the
         Global Security, such instructions to contain information regarding the
         Depositary account to be credited with such increase, then the Trustee
         shall cancel such Definitive Security and cause, or direct the
         Securities Custodian to cause, in accordance with the standing
         instructions and procedures existing between the Depositary and the
         Securities Custodian, the aggregate principal amount of Securities
         represented by the Global Security to be increased by the aggregate
         principal amount of the Definitive Security to be exchanged and shall
         credit or cause to be credited to the account of the Person

<Page>

                                                                               6

         specified in such instructions a beneficial interest in the Global
         Security equal to the principal amount of the Definitive Security so
         canceled. If no Global Securities are then outstanding and the Global
         Security has not been previously exchanged for certificated securities
         pursuant to Section 2.4, the Company shall issue and the Trustee shall
         authenticate, upon written order of the Company in the form of an
         Officers' Certificate, a new Global Security in the appropriate
         principal amount.

               (c) TRANSFER AND EXCHANGE OF GLOBAL SECURITIES. (i) The transfer
and exchange of Global Securities or beneficial interests therein shall be
effected through the Depositary, in accordance with this Indenture (including
applicable restrictions on transfer set forth herein, if any) and the procedures
of the Depositary therefor. A transferor of a beneficial interest in a Global
Security shall deliver a written order given in accordance with the Depositary's
procedures containing information regarding the participant account of the
Depositary to be credited with a beneficial interest in such Global Security or
another Global Security and such account shall be credited in accordance with
such order with a beneficial interest in the applicable Global Security and the
account of the Person making the transfer shall be debited by an amount equal to
the beneficial interest in the Global Security being transferred. Transfers by
an owner of a beneficial interest in the Rule 144A Global Security or the IAI
Global Security to a transferee who takes delivery of such interest through the
Regulation S Global Security, whether before or after the expiration of the
Restricted Period, shall be made only upon receipt by the Trustee of a
certification in the form provided on the reverse of the Initial Securities from
the transferor to the effect that such transfer is being made in accordance with
Regulation S or (if available) Rule 144 under the Securities Act and that, if
such transfer is being made prior to the expiration of the Restricted Period,
the interest transferred shall be held immediately thereafter through Euroclear
or Clearstream. In the case of a transfer of a beneficial interest in either the
Regulation S Global Security or the Rule 144A Global Security for an interest in
the IAI Global Security, the transferee must furnish a signed letter
substantially in the form of Exhibit D to the Trustee.

               (ii) If the proposed transfer is a transfer of a beneficial
         interest in one Global Security to a beneficial interest in another
         Global Security, the Securities Custodian and the Registrar shall
         reflect on its books and records the date and an increase in the
         principal amount of the Global Security to which such interest is being
         transferred in an amount equal to the principal amount of the interest
         to be so transferred, and the Securities Custodian and the Registrar
         shall reflect on its books and records the date and a corresponding
         decrease in the principal amount of Global Security from which such
         interest is being transferred.

               (iii) Notwithstanding any other provisions of this Appendix
         (other than the provisions set forth in Section 2.4), a Global Security
         may not be transferred as a whole except by the Depositary to a nominee
         of the Depositary or by a nominee of the Depositary to the Depositary
         or another nominee of the Depositary or by the Depositary or any such
         nominee to a successor Depositary or a nominee of such successor
         Depositary.

               (iv) In the event that a Global Security is exchanged for
         Definitive Securities pursuant to Section 2.4 prior to the consummation
         of a Registered Exchange Offer or the effectiveness of a Shelf
         Registration Statement with respect to such Securities, such Securities
         may be exchanged only in accordance with such procedures as are
         substantially consistent with the provisions of this Section 2.3
         (including the certification requirements set forth on the reverse of
         the Initial Securities intended to ensure that such transfers comply
         with Rule 144A, Regulation S or such other applicable exemption from
         registration under

<Page>

                                                                               7

         the Securities Act, as the case may be) and such other procedures as
         may from time to time be adopted by the Company.

               (d) RESTRICTIONS ON TRANSFER OF REGULATION S GLOBAL SECURITY. (i)
Prior to the expiration of the Restricted Period, interests in the Regulation S
Global Security may only be held through Euroclear or Clearstream. During the
Restricted Period, beneficial ownership interests in the Regulation S Global
Security may only be sold, pledged or transferred through Euroclear or
Clearstream in accordance with the Applicable Procedures and only (1) to the
Company or its Subsidiaries, (2) so long as such security is eligible for resale
pursuant to Rule 144A, to a person whom the selling holder reasonably believes
is a QIB that purchases for its own account or for the account of a QIB to whom
notice is given that the resale, pledge or transfer is being made in reliance on
Rule 144A, (3) in an offshore transaction in accordance with Regulation S, (4)
pursuant to an exemption from registration under the Securities Act provided by
Rule 144 (if applicable) under the Securities Act, (5) to an IAI purchasing for
its own account, or for the account of such an IAI, in a minimum principal
amount of Securities of $250,000 or (6) pursuant to an effective registration
statement under the Securities Act, in each case in accordance with any
applicable securities laws of any state of the United States. Prior to the
expiration of the Restricted Period, transfers by an owner of a beneficial
interest in the Regulation S Global Security to a transferee who takes delivery
of such interest through the Rule 144A Global Security or the IAI Global
Security shall be made only in accordance with Applicable Procedures and upon
receipt by the Trustee of a written certification from the transferor of the
beneficial interest in the form provided on the reverse of the Initial Security
to the effect that such transfer is being made to (1) a QIB within the meaning
of Rule 144A in a transaction meeting the requirements of Rule 144A or (2) an
IAI purchasing for its own account, or for the account of such an IAI, in a
minimum principal amount of the Securities of $250,000. Such written
certification shall no longer be required after the expiration of the Restricted
Period. In the case of a transfer of a beneficial interest in the Regulation S
Global Security for an interest in the IAI Global Security, the transferee must
furnish a signed letter substantially in the form of Exhibit D to the Trustee.

               (ii) Upon the expiration of the Restricted Period, beneficial
         ownership interests in the Regulation S Global Security shall be
         transferable in accordance with applicable law and the other terms of
         this Indenture.

               (e) LEGEND.

               (i) Except as permitted by the following paragraphs (ii), (iii)
         or (iv), each Security certificate evidencing the Global Securities and
         the Definitive Securities (and all Securities issued in exchange
         therefor or in substitution thereof) shall bear a legend in
         substantially the following form (each defined term in the legend being
         defined as such for purposes of the legend only):

         "THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
         1933, AS AMENDED (THE "SECURITIES ACT"), OR THE SECURITIES LAWS OF ANY
         STATE OR OTHER JURISDICTION. NEITHER THIS SECURITY NOR ANY INTEREST OR
         PARTICIPATION HEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED,
         PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH
         REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT
         TO, SUCH REGISTRATION.

<Page>

                                                                               8

               THE HOLDER OF THIS SECURITY BY ITS ACCEPTANCE HEREOF AGREES TO
         OFFER, SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE
         "RESALE RESTRICTION TERMINATION DATE") WHICH IS TWO YEARS AFTER THE
         LATER OF THE ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE
         COMPANY OR ANY AFFILIATE OF THE COMPANY WAS THE OWNER OF THIS SECURITY
         (OR ANY PREDECESSOR OF SUCH SECURITY), ONLY (A) TO THE COMPANY OR ITS
         SUBSIDIARIES, (B) PURSUANT TO A REGISTRATION STATEMENT THAT HAS BEEN
         DECLARED EFFECTIVE UNDER THE SECURITIES ACT, (C) FOR SO LONG AS THE
         SECURITIES ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A UNDER THE
         SECURITIES ACT ("RULE 144A"), TO A PERSON IT REASONABLY BELIEVES IS A
         "QUALIFIED INSTITUTIONAL BUYER" AS DEFINED IN RULE 144A THAT PURCHASES
         FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL
         BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN
         RELIANCE ON RULE 144A, (D) PURSUANT TO OFFERS AND SALES THAT OCCUR
         OUTSIDE THE UNITED STATES WITHIN THE MEANING OF REGULATION S UNDER THE
         SECURITIES ACT, (E) TO AN "ACCREDITED INVESTOR" WITHIN THE MEANING OF
         RULE 501(a)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT THAT IS AN
         INSTITUTIONAL ACCREDITED INVESTOR ACQUIRING THE SECURITY FOR ITS OWN
         ACCOUNT OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL ACCREDITED
         INVESTOR, IN EACH CASE IN A MINIMUM PRINCIPAL AMOUNT OF THE SECURITIES
         OF $250,000, FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TO OR FOR
         OFFER OR SALE IN CONNECTION WITH ANY DISTRIBUTION IN VIOLATION OF THE
         SECURITIES ACT OR (F) PURSUANT TO ANY OTHER AVAILABLE EXEMPTION FROM
         THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE
         COMPANY'S AND THE TRUSTEE'S RIGHT PRIOR TO ANY SUCH OFFER, SALE OR
         TRANSFER PURSUANT TO CLAUSES (D), (E) OR (F) TO REQUIRE THE DELIVERY OF
         AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER INFORMATION
         SATISFACTORY TO EACH OF THEM. THIS LEGEND WILL BE REMOVED UPON THE
         REQUEST OF THE HOLDER AFTER THE RESALE RESTRICTION TERMINATION DATE."

Each Definitive Security shall bear the following additional legend:

         "IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER TO THE
         REGISTRAR AND TRANSFER AGENT SUCH CERTIFICATES AND OTHER INFORMATION AS
         SUCH TRANSFER AGENT MAY REASONABLY REQUIRE TO CONFIRM THAT THE TRANSFER
         COMPLIES WITH THE FOREGOING RESTRICTIONS."

               (ii) Upon any sale or transfer of a Transfer Restricted Security
         that is a Definitive Security, the Registrar shall permit the Holder
         thereof to exchange such Transfer Restricted Security for a Definitive
         Security that does not bear the legends set forth above and rescind any
         restriction on the transfer of such Transfer Restricted Security if the
         Holder certifies in

<Page>

                                                                               9

         writing to the Registrar that its request for such exchange was made in
         reliance on Rule 144 (such certification to be in the form set forth on
         the reverse of the Initial Security).

               (iii) After a transfer of any Original or Additional Securities
         or Private Exchange Securities during the period of the effectiveness
         of a Shelf Registration Statement with respect to such Original or
         Additional Securities or Private Exchange Securities, as the case may
         be, all requirements pertaining to the Restricted Securities Legend on
         such Original or Additional Securities or such Private Exchange
         Securities shall cease to apply and the requirements that any such
         Original or Additional Securities or such Private Exchange Securities
         be issued in global form shall continue to apply.

               (iv) Upon the consummation of a Registered Exchange Offer with
         respect to the Original or Additional Securities pursuant to which
         Holders of such Original or Additional Securities are offered Exchange
         Securities in exchange for their Original or Additional Securities, all
         requirements pertaining to Original or Additional Securities that
         Original or Additional Securities be issued in global form shall
         continue to apply, and Exchange Securities in global form without the
         Restricted Securities Legend shall be available to Holders that
         exchange such Original or Additional Securities in such Registered
         Exchange Offer.

               (v) Upon the consummation of a Private Exchange with respect to
         the Original or Additional Securities pursuant to which Holders of such
         Original or Additional Securities are offered Private Exchange
         Securities in exchange for their Original or Additional Securities, all
         requirements pertaining to such Original or Additional Securities that
         Original or Additional Securities be issued in global form shall
         continue to apply, and Private Exchange Securities in global form with
         the Restricted Securities Legend shall be available to Holders that
         exchange such Original or Additional Securities in such Private
         Exchange.

               (vi) Upon a sale or transfer after the expiration of the
         Restricted Period of any Initial Security acquired pursuant to
         Regulation S, all requirements that such Initial Security bear the
         Restricted Securities Legend shall cease to apply and the requirements
         requiring any such Initial Security be issued in global form shall
         continue to apply.

               (vii) Any Additional Securities sold in a registered offering
         shall not be required to bear the Restricted Securities Legend.

               (f) CANCELATION OR ADJUSTMENT OF GLOBAL SECURITY. At such time as
all beneficial interests in a Global Security have either been exchanged for
Definitive Securities, transferred, redeemed, repurchased or canceled, such
Global Security shall be returned by the Depositary to the Trustee for
cancelation or retained and canceled by the Trustee. At any time prior to such
cancelation, if any beneficial interest in a Global Security is exchanged for
Definitive Securities, transferred in exchange for an interest in another Global
Security, redeemed, repurchased or canceled, the principal amount of Securities
represented by such Global Security shall be reduced and an adjustment shall be
made on the books and records of the Trustee (if it is then the Securities
Custodian for such Global Security) with respect to such Global Security, by the
Trustee or the Securities Custodian, to reflect such reduction.

<Page>

                                                                              10

               (g) OBLIGATIONS WITH RESPECT TO TRANSFERS AND EXCHANGES OF
SECURITIES.

<Page>

                                                                              11

               (i) To permit registrations of transfers and exchanges, the
         Company shall execute and the Trustee shall authenticate, Definitive
         Securities and Global Securities at the Registrar's request.

               (ii) No service charge shall be made for any registration of
         transfer or exchange, but the Company may require payment of a sum
         sufficient to cover any transfer tax, assessments, or similar
         governmental charge payable in connection therewith (other than any
         such transfer taxes, assessments or similar governmental charge payable
         upon exchanges pursuant to Sections 2.07, 3.06, 4.06, 4.08 and 9.05 of
         this Indenture).

               (iii) Prior to the due presentation for registration of transfer
         of any Security, the Company, the Trustee, the Paying Agent or the
         Registrar may deem and treat the person in whose name a Security is
         registered as the absolute owner of such Security for the purpose of
         receiving payment of principal of and interest on such Security and for
         all other purposes whatsoever, whether or not such Security is overdue,
         and none of the Company, the Trustee, the Paying Agent or the Registrar
         shall be affected by notice to the contrary.

               (iv) All Securities issued upon any transfer or exchange pursuant
         to the terms of this Indenture shall evidence the same debt and shall
         be entitled to the same benefits under this Indenture as the Securities
         surrendered upon such transfer or exchange.

               (h) NO OBLIGATION OF THE TRUSTEE OR THE COMPANY.

               (i) Neither the Trustee nor the Company shall have any
         responsibility or obligation to any beneficial owner of a Global
         Security, a member of, or a participant in the Depositary or any other
         Person with respect to the accuracy of the records of the Depositary or
         its nominee or of any participant or member thereof, with respect to
         any ownership interest in the Securities or with respect to the
         delivery to any participant, member, beneficial owner or other Person
         (other than the Depositary) of any notice (including any notice of
         redemption or repurchase) or the payment of any amount, under or with
         respect to such Securities. All notices and communications to be given
         to the Holders and all payments to be made to Holders under the
         Securities shall be given or made only to the registered Holders (which
         shall be the Depositary or its nominee in the case of a Global
         Security). The rights of beneficial owners in any Global Security shall
         be exercised only through the Depositary subject to the applicable
         rules and procedures of the Depositary. The Trustee and the Company may
         rely and shall be fully protected in relying upon information furnished
         by the Depositary with respect to its members, participants and any
         beneficial owners.

               (ii) The Trustee shall have no obligation or duty to monitor,
         determine or inquire as to compliance with any restrictions on transfer
         imposed under this Indenture or under applicable law with respect to
         any transfer of any interest in any Security (including any transfers
         between or among Depositary participants, members or beneficial owners
         in any Global Security) other than to require delivery of such
         certificates and other documentation or evidence as are expressly
         required by, and to do so if and when expressly required by, the terms
         of this Indenture, and to examine the same to determine substantial
         compliance as to form with the express requirements hereof.

<Page>

                                                                              12

         2.4 DEFINITIVE SECURITIES

               (a) A Global Security deposited with the Depositary or with the
Trustee as Securities Custodian pursuant to Section 2.1 or issued in connection
with a Registered Exchange Offer or Private Exchange shall be transferred to the
beneficial owners thereof in the form of Definitive Securities in an aggregate
principal amount equal to the principal amount of such Global Security, in
exchange for such Global Security, only if such transfer complies with Section
2.3 and (i) the Depositary notifies the Company that it is unwilling or unable
to continue as a Depositary for such Global Security or if at any time the
Depositary ceases to be a "clearing agency" registered under the Exchange Act,
and a successor depositary is not appointed by the Company within 90 days of
such notice or after the Company becomes aware of such cessation, or (ii) an
Event of Default has occurred and is continuing or (iii) the Company, in its
sole discretion, notifies the Trustee in writing that it elects to cause the
issuance of certificated Securities under this Indenture.

               (b) Any Global Security that is transferable to the beneficial
owners thereof pursuant to this Section 2.4 shall be surrendered by the
Depositary to the Trustee, to be so transferred, in whole or from time to time
in part, without charge, and the Trustee shall authenticate and deliver, upon
such transfer of each portion of such Global Security, an equal aggregate
principal amount of Definitive Securities of authorized denominations. Any
portion of a Global Security transferred pursuant to this Section shall be
executed, authenticated and delivered only in denominations of $1,000 and any
integral multiple thereof and registered in such names as the Depositary shall
direct. Any certificated Initial Security in the form of a Definitive Security
delivered in exchange for an interest in the Global Security shall, except as
otherwise provided by Section 2.3(e), bear the Restricted Securities Legend.

               (c) Subject to the provisions of Section 2.4(b), the registered
Holder of a Global Security may grant proxies and otherwise authorize any
Person, including Agent Members and Persons that may hold interests through
Agent Members, to take any action which a Holder is entitled to take under this
Indenture or the Securities.

               (d) In the event of the occurrence of any of the events specified
in Section 2.4(a)(i), (ii) or (iii), the Company will promptly make available to
the Trustee a reasonable supply of Definitive Securities in fully registered
form without interest coupons.

<Page>

                                                                       EXHIBIT A

                       [FORM OF FACE OF INITIAL SECURITY]

                           [Global Securities Legend]

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), NEW YORK, NEW
YORK, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR
PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR
SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY
PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED
OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

         TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN
WHOLE, BUT NOT IN PART, TO DTC, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR
SUCH SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL
BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

                         [Restricted Securities Legend]

         THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933,
AS AMENDED (THE "SECURITIES ACT"), OR THE SECURITIES LAWS OF ANY STATE OR OTHER
JURISDICTION. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY
BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE
DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION IS
EXEMPT FROM, OR NOT SUBJECT TO, SUCH REGISTRATION.

         THE HOLDER OF THIS SECURITY BY ITS ACCEPTANCE HEREOF AGREES TO OFFER,
SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE "RESALE
RESTRICTION TERMINATION DATE") WHICH IS TWO YEARS AFTER THE LATER OF THE
ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY
AFFILIATE OF THE COMPANY WAS THE OWNER OF THIS SECURITY (OR ANY PREDECESSOR OF
SUCH SECURITY), ONLY (A) TO THE COMPANY OR ITS SUBSIDIARIES, (B) PURSUANT TO A
REGISTRATION STATEMENT THAT HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES
ACT, (C) FOR SO LONG AS THE SECURITIES ARE ELIGIBLE FOR RESALE PURSUANT TO RULE
144A UNDER THE SECURITIES ACT ("RULE 144A"), TO A PERSON IT REASONABLY BELIEVES
IS A "QUALIFIED INSTITUTIONAL BUYER" AS DEFINED IN RULE 144A THAT PURCHASES FOR
ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHOM
NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (D)
PURSUANT TO OFFERS AND SALES THAT OCCUR OUTSIDE THE UNITED STATES WITHIN THE
MEANING OF REGULATION S UNDER THE SECURITIES ACT, (E) TO

                                       1

<Page>

                                                                               2

AN "ACCREDITED INVESTOR" WITHIN THE MEANING OF RULE 501(a)(1), (2), (3) OR (7)
UNDER THE SECURITIES ACT THAT IS AN INSTITUTIONAL ACCREDITED INVESTOR ACQUIRING
THE SECURITY FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL
ACCREDITED INVESTOR, IN EACH CASE IN A MINIMUM PRINCIPAL AMOUNT OF THE
SECURITIES OF $250,000, FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TO OR FOR
OFFER OR SALE IN CONNECTION WITH ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES
ACT OR (F) PURSUANT TO ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE COMPANY'S AND THE TRUSTEE'S
RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER PURSUANT TO CLAUSES (D), (E) OR
(F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER
INFORMATION SATISFACTORY TO EACH OF THEM. THIS LEGEND WILL BE REMOVED UPON THE
REQUEST OF THE HOLDER AFTER THE RESALE RESTRICTION TERMINATION DATE.

Each Definitive Security shall bear the following additional legend:

IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER TO THE REGISTRAR AND
TRANSFER AGENT SUCH CERTIFICATES AND OTHER INFORMATION AS SUCH TRANSFER AGENT
MAY REASONABLY REQUIRE TO CONFIRM THAT THE TRANSFER COMPLIES WITH THE FOREGOING
RESTRICTIONS.

<Page>

No.  R-                                                              $__________

                    8 1/2% Senior Subordinated Note due 2011

                                                                CUSIP No. ______
                                                                    ISIN No. ___

         ALLIANT TECHSYSTEMS INC., a Delaware corporation, promises to pay to
Cede & Co., or registered assigns, the principal sum [of Dollars] [listed on the
Schedule of Increases or Decreases in Global Security attached hereto](1) on May
15, 2011.

         Interest Payment Dates: May 15 and November 15.

         Record Dates: May 1 and November 1.

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

         (1) Use the Schedule of Increases and Decreases language if Note is in
Global Form.

                                      1
<Page>

                                                                               2

         Additional provisions of this Security are set forth on the other side
of this Security.

         IN WITNESS WHEREOF, the parties have caused this instrument to be duly
executed.

                                       ALLIANT TECHSYSTEMS INC.,

                                       by
                                           -------------------------------
                                           Name:
                                           Title:

                                       by
                                           -------------------------------
                                           Name:
                                           Title:

Dated:

TRUSTEE'S CERTIFICATE OF
         AUTHENTICATION

BNY MIDWEST TRUST COMPANY,

         as Trustee, certifies
         that this is one of
         the Securities referred
         to in the Indenture.

By:
    -------------------------------
         Authorized Signatory

-----------------------------
*/ If the Security is to be issued in global form, add the Global Securities
Legend and the attachment from Exhibit A captioned "TO BE ATTACHED TO GLOBAL
SECURITIES - SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY".

<Page>

                                                                               3

                   [FORM OF REVERSE SIDE OF INITIAL SECURITY]

                    8 1/2% Senior Subordinated Note due 2011

1. INTEREST

         (a) ALLIANT TECHSYSTEMS INC., a Delaware corporation (such corporation,
and its successors and assigns under the Indenture hereinafter referred to,
being herein called the "Company"), promises to pay interest on the principal
amount of this Security at the rate per annum shown above. The Company shall pay
interest semiannually on May 15 and November 15 of each year. Interest on the
Securities shall accrue from the most recent date to which interest has been
paid or duly provided for or, if no interest has been paid or duly provided for,
from May 14, 2001 until the principal hereof is due. Interest shall be computed
on the basis of a 360-day year of twelve 30-day months. The Company shall pay
interest on overdue principal at the rate borne by the Securities plus 1% per
annum, and it shall pay interest on overdue installments of interest at the same
rate to the extent lawful.

         (b) LIQUIDATED DAMAGES. The Holder of this Security is entitled to the
benefits of an Exchange and Registration Rights Agreement, dated as of May 14,
2001, among the Company, ALLIANT AMMUNITION SYSTEMS COMPANY LLC, NEW RIVER
ENERGETICS, INC., ALLIANT HOLDINGS LLC, ALLIANT PROPULSION AND COMPOSITES LLC,
ALLIANT SOUTHERN COMPOSITES COMPANY LLC, ALLIANT DEFENSE LLC, ALLIANT AMMUNITION
AND POWDER COMPANY LLC, ALLIANT PRECISION FUZE COMPANY LLC, ALLIANT INTEGRATED
DEFENSE COMPANY LLC, ALLIANT INTERNATIONAL HOLDINGS INC., ALLIANT MISSILE
PRODUCTS COMPANY LLC, ALLIANT AEROSPACE COMPANY, ALLIANT AEROSPACE PROPULSION
COMPANY LLC, ALLIANT AEROSPACE COMPOSITE STRUCTURES COMPANY LLC, ALLIANT LAKE
CITY SMALL CALIBER AMMUNITION COMPANY LLC,THIOKOL PROPULSION CORP., THIOKOL
TECHNOLOGIES INTERNATIONAL, INC. (the "Subsidiary Guarantors") and the Initial
Purchasers named therein (the "Registration Agreement"). Capitalized terms used
in this paragraph (b) but not defined herein have the meanings assigned to them
in the Registration Agreement. If (i) the Shelf Registration Statement or
Exchange Offer Registration Statement, as applicable under the Registration
Agreement, is not filed with the Commission on or prior to 90 days after the
Issue Date, (ii) the Exchange Offer Registration Statement or the Shelf
Registration Statement, as the case may be, is not declared effective within 180
days after the Issue Date, (iii) the Registered Exchange Offer is not
consummated on or prior to 210 days after the Issue Date, or (iv) the Shelf
Registration Statement is filed and declared effective within 180 days after the
Issue Date but shall thereafter cease to be effective (at any time that the
Company is obligated to maintain the effectiveness thereof) without being
succeeded within 45 days by an additional Registration Statement filed and
declared effective (each such event referred to in clauses (i) through (iv), a
"Registration Default"), the Company shall pay liquidated damages to each Holder
of Transfer Restricted Securities, during the period of such Registration
Default, in an amount equal to $0.192 per week per $1,000 principal amount of
the Securities constituting Transfer Restricted Securities held by such Holder
until the applicable Registration Statement is filed or declared effective, the
Registered Exchange Offer is consummated or the Shelf Registration Statement
again becomes effective, as the case may be. All accrued liquidated damages
shall be paid to Holders in the same manner as interest payments on the
Securities on semi-annual payment dates which correspond to interest payment
dates for the Securities. Following the cure of all Registration Defaults, the
accrual of liquidated damages shall cease. The

<Page>

                                                                               4

Trustee shall have no responsibility with respect to the determination of the
amount of any such liquidated damages. For purposes of the foregoing, "Transfer
Restricted Securities" means (i) each Initial Security until the date on which
such Initial Security has been exchanged for a freely transferable Exchange
Security in the Registered Exchange Offer, (ii) each Initial Security or Private
Exchange Security until the date on which such Initial Security or Private
Exchange Security has been effectively registered under the Securities Act and
disposed of in accordance with a Shelf Registration Statement or (iii) each
Initial Security or Private Exchange Security until the date on which such
Initial Security or Private Exchange Security is sold to the public pursuant to
Rule 144 under the Securities Act or is saleable pursuant to Rule 144(k) under
the Securities Act.

2. METHOD OF PAYMENT

         The Company shall pay interest on the Securities (except defaulted
interest) to the Persons who are registered Holders at the close of business on
the May 1 or November 1 next preceding the interest payment date even if
Securities are canceled after the record date and on or before the interest
payment date. Holders must surrender Securities to a Paying Agent to collect
principal payments. The Company shall pay principal, premium, if any, liquidated
damages, if any, and interest in money of the United States of America that at
the time of payment is legal tender for payment of public and private debts.
Payments in respect of the Securities represented by a Global Security
(including principal, premium, if any, liquidated damages, if any, and interest)
shall be made by wire transfer of immediately available funds to the accounts
specified by The Depository Trust Company or any successor depositary. The
Company will make all payments in respect of a certificated Security (including
principal, premium, if any, interest and liquidated damages, if any), at the
office of the Paying Agent, except that, at the option of the Company, payment
of interest or liquidated damages may be made by mailing a check to the
registered address of each Holder thereof; PROVIDED, HOWEVER, that payments on
the Securities may also be made, in the case of a Holder of at least $1,000,000
aggregate principal amount of Securities, by wire transfer to a U.S. dollar
account maintained by the payee with a bank in the United States if such Holder
elects payment by wire transfer by giving written notice to the Trustee or the
Paying Agent to such effect designating such account no later than 30 days
immediately preceding the relevant due date for payment (or such other date as
the Trustee may accept in its discretion).

3. PAYING AGENT AND REGISTRAR

         Initially, BNY MIDWEST TRUST COMPANY, an Illinois banking corporation
(the "Trustee"), will act as Paying Agent and Registrar. The Company may appoint
and change any Paying Agent or Registrar without notice. The Company or any of
its domestically incorporated Wholly Owned Subsidiaries may act as Paying Agent
or Registrar.

4. INDENTURE

         The Company issued the Securities under an Indenture dated as of May
14, 2001, (the "Indenture"), among the Company, the Subsidiary Guarantors and
the Trustee. The terms of the Securities include those stated in the Indenture
and those made part of the Indenture by reference to the Trust Indenture Act of
1939 (15 U.S.C. ss.ss. 77aaa-77bbbb) as in effect on the date of the Indenture
(the "TIA"). Terms defined in the Indenture and not defined herein have the
meanings ascribed thereto in the Indenture. The Securities are subject to all
terms and provisions of the Indenture, and Holders (as defined in the Indenture)
are referred to the Indenture and the TIA for a statement of such terms and
provisions.

<Page>

                                                                               5

         The Securities are senior subordinated unsecured obligations of the
Company limited to $600,000,000 aggregate principal amount at any one time
outstanding (subject to Sections 2.08 and 2.09 of the Indenture). This Security
is one of the [Original] [Additional] [Initial] [Private Exchange] Securities
referred to in the Indenture. The Securities include the Original Securities,
the Additional Securities and any Exchange Securities and Private Exchange
Securities issued in exchange for Initial Securities pursuant to the Indenture.
The Original Securities, the Additional Securities and any Exchange Securities
and Private Exchange Securities are treated as a single class of securities
under the Indenture. The Indenture imposes certain limitations on the ability of
the Company and its Restricted Subsidiaries to, among other things, make certain
Investments and other Restricted Payments, pay dividends and other
distributions, incur Indebtedness, enter into consensual restrictions upon the
payment of certain dividends and distributions by such Restricted Subsidiaries,
issue or sell shares of capital stock of such Restricted Subsidiaries, enter
into or permit certain transactions with Affiliates and make asset sales. The
Indenture also imposes limitations on the ability of the Company and each
Subsidiary Guarantor to consolidate or merge with or into any other Person or
convey, transfer or lease all or substantially all its property.

         To guarantee the due and punctual payment of the principal, interest
and liquidated damages, if any, on the Securities and all other amounts payable
by the Company under the Indenture and the Securities when and as the same shall
be due and payable, whether at maturity, by acceleration or otherwise, according
to the terms of the Securities and the Indenture, the Subsidiary Guarantors have
jointly and severally unconditionally guaranteed the Guaranteed Obligations on a
senior subordinated basis pursuant to the terms of the Indenture.

5. OPTIONAL REDEMPTION

         Except as set forth in the following paragraph, the Securities shall
not be redeemable at the option of the Company prior to May 15, 2006.
Thereafter, the Securities shall be redeemable at the option of the Company, in
whole or in part, on not less than 30 nor more than 60 days prior notice, at the
following redemption prices (expressed as percentages of principal amount), plus
accrued and unpaid interest and liquidated damages, if any, to the redemption
date (subject to the right of Holders of record on the relevant record date to
receive interest and liquidated damages, if any, due on the relevant interest
payment date), if redeemed during the 12-month period commencing on May 15 of
the years set forth below:

<Table>
<Caption>
                                                              REDEMPTION
                  YEAR                                           PRICE
                  ------------------------------------------------------
<S>                                                             <C>
                  2006                                          104.250%
                  2007                                          102.833%
                  2008                                          101.417%
                  2009 and thereafter                           100.000%
</Table>

         In addition, prior to May 15, 2004, the Company may redeem up to a
maximum of 35% of the original aggregate principal amount of the Securities
(calculated giving effect to any issuance of Additional Securities) with the Net
Cash Proceeds of one or more Qualified Equity Offerings by the Company, at a
redemption price equal to 108.500% of the principal amount thereof, plus accrued
and unpaid interest and liquidated damages, if any, thereon to the redemption
date (subject to the right of Holders of record on the relevant record date to
receive interest and liquidated damages, if any, due on the relevant interest
payment date); PROVIDED, HOWEVER, that after

<Page>

                                                                               6

giving effect to any such redemption, at least 65% of the original aggregate
principal amount of the Securities (calculated giving effect to any issuance of
Additional Securities) remains outstanding. Any such redemption shall be made
within 90 days of such Qualified Equity Offering upon not less than 30 nor more
than 60 days notice mailed to each Holder of Securities being redeemed and
otherwise in accordance with the procedures set forth in the Indenture.

6. SINKING FUND

         The Securities are not subject to any sinking fund.

7. NOTICE OF REDEMPTION

         Notice of redemption will be mailed by first-class mail at least 30
days but not more than 60 days before the redemption date to each Holder of
Securities to be redeemed at his or her registered address. Securities in
denominations larger than $1,000 may be redeemed in part but only in whole
multiples of $1,000. If money sufficient to pay the redemption price of and
accrued and unpaid interest and liquidated damages, if any, on all Securities
(or portions thereof) to be redeemed on the redemption date is deposited with
the Paying Agent on or before the redemption date and certain other conditions
are satisfied, on and after such date interest ceases to accrue on such
Securities (or such portions thereof) called for redemption.

8. REPURCHASE OF SECURITIES AT THE OPTION OF HOLDERS UPON CHANGE OF CONTROL AND
   ASSET DISPOSITIONS

         Upon a Change of Control, any Holder of Securities will have the right,
subject to certain conditions specified in the Indenture, to cause the Company
to repurchase all or any part of the Securities of such Holder at a purchase
price equal to 101% of the principal amount of the Securities to be repurchased
plus accrued and unpaid interest and liquidated damages, if any, to the date of
repurchase (subject to the right of Holders of record on the relevant record
date to receive interest due and liquidated damages, if any, on the relevant
interest payment date that is on or prior to the date of purchase) as provided
in, and subject to the terms of, the Indenture.

         In accordance with Section 4.06 of the Indenture, the Company will be
required to offer to purchase Securities upon the occurrence of certain events.

9. SUBORDINATION

         The Securities and Subsidiary Guarantees are subordinated to Senior
Indebtedness, as defined in the Indenture. To the extent provided in the
Indenture, Senior Indebtedness must be paid before the Securities and Subsidiary
Guarantees may be paid. The Company and each Subsidiary Guarantor agrees, and
each Holder by accepting a Security agrees, to the subordination provisions
contained in the Indenture and authorizes the Trustee to give it effect and
appoints the Trustee as attorney-in-fact for such purpose.

10. DENOMINATIONS; TRANSFER; EXCHANGE

         The Securities are in registered form without coupons in denominations
of $1,000 and whole multiples of $1,000. A Holder may transfer or exchange
Securities in accordance with the Indenture. Upon any transfer or exchange, the
Registrar and the Trustee may require a Holder, among other things, to furnish
appropriate endorsements or transfer documents and to pay any

<Page>

                                                                               7

taxes required by law or permitted by the Indenture. The Registrar need not
register the transfer of or exchange any Securities selected for redemption
(except, in the case of a Security to be redeemed in part, the portion of the
Security not to be redeemed) or to transfer or exchange any Securities for a
period of 15 days prior to the mailing of a notice of redemption of Securities
to be redeemed or 15 days before an interest payment date.

11. PERSONS DEEMED OWNERS

         Except as provided in paragraph 2 hereof, the registered Holder of this
Security may be treated as the owner of it for all purposes.

12. UNCLAIMED MONEY

         If money for the payment of principal, interest or liquidated damages,
if any, remains unclaimed for two years, the Trustee and the Paying Agent shall
pay the money back to the Company at its written request unless an abandoned
property law designates another Person. After any such payment, Holders entitled
to the money must look to the Company for payment as general creditors and the
Trustee and the Paying Agent shall have no further liability with respect to
such monies.

13. DISCHARGE AND DEFEASANCE

         Subject to certain conditions, the Company at any time may terminate
some of or all its obligations under the Securities and the Indenture if the
Company deposits with the Trustee money or U.S. Government Obligations for the
payment of principal of, and interest and liquidated damages, if any, on, the
Securities to redemption or maturity, as the case may be.

14. AMENDMENT, WAIVER

         Subject to certain exceptions set forth in the Indenture, (i) the
Indenture or the Securities may be amended without prior notice to any Holder
but with the written consent of the Holders of at least a majority in aggregate
principal amount of the outstanding Securities and (ii) any default may be
waived with the written consent of the Holders of at least a majority in
principal amount of the outstanding Securities. Subject to certain exceptions
set forth in the Indenture, without the consent of any Holder, the Company, the
Subsidiary Guarantors and the Trustee may amend the Indenture or the Securities
(i) to cure any ambiguity, omission, defect or inconsistency; (ii) to comply
with Article 5 of the Indenture; (iii) to provide for uncertificated Securities
in addition to or in place of certificated Securities; (iv) to add Subsidiary
Guarantees with respect to the Securities; (v) to secure the Securities; (vi) to
add additional covenants or to surrender rights and powers conferred on the
Company; (vii) to comply with the requirements of the SEC in order to effect or
maintain the qualification of the Indenture under the TIA; (viii) to make any
change that does not adversely affect the rights of any Holder; (ix) to make any
change in the subordination provisions of the Indenture that would limit or
terminate the benefits available to any holder of Senior Indebtedness of the
Company (or any Representative thereof) under such subordination provisions; or
(x) to provide for the issuance of the Exchange Securities, Private Exchange
Securities or Additional Securities.

<Page>

                                                                               8

15. DEFAULTS AND REMEDIES

<Page>

                                                                               9

         If an Event of Default occurs (other than an Event of Default relating
to certain events of bankruptcy, insolvency or reorganization of the Company)
and is continuing, the Trustee or the Holders of at least 25% in principal
amount of the outstanding Securities may declare the principal of and accrued
but unpaid interest on all the Securities to be due and payable. If an Event of
Default relating to certain events of bankruptcy, insolvency or reorganization
of the Company occurs, the principal of and interest on all the Securities shall
become immediately due and payable without any declaration or other act on the
part of the Trustee or any Holders. Under certain circumstances, the Holders of
a majority in principal amount of the outstanding Securities may rescind any
such acceleration with respect to the Securities and its consequences.

         If an Event of Default occurs and is continuing, the Trustee shall be
under no obligation to exercise any of the rights or powers under the Indenture
at the request or direction of any of the Holders unless such Holders have
offered to the Trustee indemnity or security reasonably satisfactory to it
against any loss, liability or expense and certain other conditions are complied
with. Except to enforce the right to receive payment of principal, premium (if
any) or interest when due, no Holder may pursue any remedy with respect to the
Indenture or the Securities unless (i) such Holder has previously given the
Trustee notice that an Event of Default is continuing, (ii) Holders of at least
25% in principal amount of the outstanding Securities have requested the Trustee
in writing to pursue the remedy, (iii) such Holders have offered the Trustee
security or indemnity reasonably satisfactory to it against any loss, liability
or expense, (iv) the Trustee has not complied with such request within 60 days
after the receipt of the request and the offer of security or indemnity and (v)
the Holders of a majority in principal amount of the outstanding Securities have
not given the Trustee a direction inconsistent with such request within such
60-day period. Subject to certain restrictions, the Holders of a majority in
principal amount of the outstanding Securities are given the right to direct the
time, method and place of conducting any proceeding for any remedy available to
the Trustee or of exercising any trust or power conferred on the Trustee. The
Trustee, however, may refuse to follow any direction that conflicts with law or
the Indenture or that the Trustee determines is unduly prejudicial to the rights
of any other Holder or that would involve the Trustee in personal liability.
Prior to taking any action under the Indenture, the Trustee shall be entitled to
indemnification satisfactory to it in its sole discretion against all losses and
expenses caused by taking or not taking such action.

16. TRUSTEE DEALINGS WITH THE COMPANY

         Subject to certain limitations imposed by the TIA, the Trustee under
the Indenture, in its individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with and collect obligations owed
to it by the Company or its Affiliates and may otherwise deal with the Company
or its Affiliates with the same rights it would have if it were not Trustee.

17. NO RECOURSE AGAINST OTHERS

         A director, officer, employee or stockholder, as such, of the Company
or any Subsidiary Guarantor shall not have any liability for any obligations of
the Company under the Securities or the Indenture or for any claim based on, in
respect of or by reason of such obligations or their creation. By accepting a
Security, each Holder waives and releases all such liability. The waiver and
release are part of the consideration for the issue of the Securities.

<Page>

                                                                              10

18. AUTHENTICATION

         This Security shall not be valid until an authorized signatory of the
Trustee (or an authenticating agent) manually signs the certificate of
authentication on the other side of this Security.

19. ABBREVIATIONS

         Customary abbreviations may be used in the name of a Holder or an
assignee, such as TEN COM (=tenants in common), TEN ENT (=tenants by the
entireties), JT TEN (=joint tenants with rights of survivorship and not as
tenants in common), CUST (=custodian), and U/G/M/A (=Uniform Gift to Minors
Act).

20. GOVERNING LAW

         THIS SECURITY SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF NEW YORK BUT WITH OUT GIVING EFFECT TO APPLICABLE
PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF
ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

21. CUSIP AND ISIN NUMBERS

         The Company has caused CUSIP and ISIN numbers to be printed on the
Securities and has directed the Trustee to use CUSIP and ISIN numbers in notices
of redemption as a convenience to Holders. No representation is made as to the
accuracy of such numbers either as printed on the Securities or as contained in
any notice of redemption and reliance may be placed only on the other
identification numbers placed thereon.

         THE COMPANY WILL FURNISH TO ANY HOLDER OF SECURITIES UPON WRITTEN
REQUEST AND WITHOUT CHARGE TO THE HOLDER A COPY OF THE INDENTURE WHICH HAS IN IT
THE TEXT OF THIS SECURITY.

<Page>

                                                                              11

                                 ASSIGNMENT FORM

To assign this Security, fill in the form below:

I or we assign and transfer this Security to

         (Print or type assignee's name, address and zip code)

         (Insert assignee's soc. sec. or tax I.D. No.)

and irrevocably appoint                  agent to transfer this Security on the
books of the Company. The agent may substitute another to act for him.

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

Date:                       Your Signature:
      ---------------------                 ----------------------

-----------------------------------------------------------------------
Sign exactly as your name appears on the other side of this Security.

<Page>

                                                                              12

          CERTIFICATE TO BE DELIVERED UPON EXCHANGE OR REGISTRATION OF
                         TRANSFER RESTRICTED SECURITIES

This certificate relates to $_________ principal amount of Securities held in
(check applicable space) ____ book-entry or _____ definitive form by the
undersigned.

The undersigned (check one box below):

|_|      has requested the Trustee by written order to deliver in exchange for
         its beneficial interest in the Global Security held by the Depositary a
         Security or Securities in definitive, registered form of authorized
         denominations and an aggregate principal amount equal to its beneficial
         interest in such Global Security (or the portion thereof indicated
         above);

|_|      has requested the Trustee by written order to exchange or register the
         transfer of a Security or Securities.

In connection with any transfer of any of the Securities evidenced by this
certificate occurring prior to the time the Securities are eligible for resale
pursuant to Rule 144 under the Securities Act, the undersigned confirms that
such Securities are being transferred in accordance with its terms:

CHECK ONE BOX BELOW

         (1)      |_|      to the Company or its Subsidiaries; or

         (2)      |_|      to the Registrar for registration in the name of the
                           Holder, without transfer; or

         (3)      |_|      pursuant to an effective registration statement under
                           the Securities Act of 1933; or

         (4)      |_|      inside the United States to a "qualified
                           institutional buyer" (as defined in Rule 144A under
                           the Securities Act of 1933) that purchases for its
                           own account or for the account of a qualified
                           institutional buyer to whom notice is given that such
                           transfer is being made in reliance on Rule 144A, in
                           each case pursuant to and in compliance with Rule
                           144A under the Securities Act of 1933; or

         (5)      |_|      outside the United States in an offshore transaction
                           within the meaning of Regulation S under the
                           Securities Act in compliance with Rule 904 under the
                           Securities Act of 1933 and such Security shall be
                           held immediately after the transfer through Euroclear
                           or Clearstream until the expiration of the Restricted
                           Period (as defined in the Indenture); or

         (6)      |_|      to an institutional "accredited investor" (as defined
                           in Rule 501(a)(1), (2), (3) or (7) under the
                           Securities Act of 1933) that has furnished to the
                           Trustee a signed letter containing certain
                           representations and agreements; or

         (7)      |_|      pursuant to another available exemption from
                           registration provided by Rule 144 under the
                           Securities Act of 1933.

<Page>

                                                                              13

         Unless one of the boxes is checked, the Trustee will refuse to register
         any of the Securities evidenced by this certificate in the name of any
         Person other than the registered Holder thereof; PROVIDED, HOWEVER,
         that if box (5), (6) or (7) is checked, the Trustee may require, prior
         to registering any such transfer of the Securities, such legal
         opinions, certifications and other information as the Company has
         reasonably requested to confirm that such transfer is being made
         pursuant to an exemption from, or in a transaction not subject to, the
         registration requirements of the Securities Act of 1933.

                                                     ------------------------
                                                     Your Signature

Signature Guarantee:

Date: ___________________                   __________________________
Signature must be guaranteed                Signature of Signature
by a participant in a                              Guarantee
recognized signature guaranty
medallion program or other
signature guarantor acceptable
to the Trustee

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

              TO BE COMPLETED BY PURCHASER IF (4) ABOVE IS CHECKED.

         The undersigned represents and warrants that it is purchasing this
Security for its own account or an account with respect to which it exercises
sole investment discretion and that it and any such account is a "qualified
institutional buyer" within the meaning of Rule 144A under the Securities Act of
1933, and is aware that the sale to it is being made in reliance on Rule 144A
and acknowledges that it has received such information regarding the Company as
the undersigned has requested pursuant to Rule 144A or has determined not to
request such information and that it is aware that the transferor is relying
upon the undersigned's foregoing representations in order to claim the exemption
from registration provided by Rule 144A.

Dated: ________________                     ______________________________
                                                NOTICE:  To be executed by
                                                      an executive officer

<Page>

                                                                              14

                      [TO BE ATTACHED TO GLOBAL SECURITIES]

              SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY

         The initial principal amount of this Global Security is $[    ]. The
following increases or decreases in this Global Security have been made:

<Table>
<Caption>
Date of     Amount of decrease in         Amount of increase in       Principal amount of this        Signature of authorized
Exchange    Principal Amount of this      Principal Amount of this    Global Security following       signatory of Trustee or
            Global Security               Global Security             such decrease or increase       Securities Custodian
<S>         <C>                           <C>                         <C>                             <C>
</Table>

<Page>

                                                                              15

                       OPTION OF HOLDER TO ELECT PURCHASE

         IF YOU WANT TO ELECT TO HAVE THIS SECURITY PURCHASED BY THE COMPANY
PURSUANT TO SECTION 4.06 (ASSET DISPOSITION) OR 4.08 (CHANGE OF CONTROL) OF THE
INDENTURE, CHECK THE BOX:

                   ASSET DISPOSITION |_| CHANGE OF CONTROL |_|

         IF YOU WANT TO ELECT TO HAVE ONLY PART OF THIS SECURITY PURCHASED BY
THE COMPANY PURSUANT TO SECTION 4.06 OR 4.08 OF THE INDENTURE, STATE THE AMOUNT
($1,000 OR AN INTEGRAL MULTIPLE THEREOF):

$

DATE: __________________ YOUR SIGNATURE: __________________
(SIGN EXACTLY AS YOUR NAME APPEARS ON THE OTHER SIDE OF THE SECURITY)

SIGNATURE GUARANTEE:_______________________________________
                          SIGNATURE MUST BE GUARANTEED BY A PARTICIPANT IN A
                          RECOGNIZED SIGNATURE GUARANTY MEDALLION PROGRAM OR
                          OTHER SIGNATURE GUARANTOR ACCEPTABLE TO THE TRUSTEE

<Page>

                                                                       EXHIBIT B

                       [FORM OF FACE OF EXCHANGE SECURITY]
                           [Global Securities Legend]

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), NEW YORK, NEW
YORK, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR
PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR
SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY
PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED
OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

         TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN
WHOLE, BUT NOT IN PART, TO DTC, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR
SUCH SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL
BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

                                        1

<Page>

                                                                               2

No.  U-                                                              $__________

                    8 1/2% Senior Subordinated Note due 2011

                                                                CUSIP No. ______
                                                                    ISIN No.____

         ALLIANT TECHSYSTEMS INC., a Delaware corporation, promises to pay to
Cede & Co., or registered assigns, the principal sum [of _______ Dollars]
[listed on the Schedule of Increases or Decreases in Global Security attached
hereto](2) on May 15, 2011.

                  Interest Payment Dates: May 15 and November 15.

                  Record Dates: May 1 and November 1.

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

         (2) Use the Schedule of Increases and Decreases language if Note is in
Global Form.

<Page>

                                                                               3

         Additional provisions of this Security are set forth on the other side
of this Security.

         IN WITNESS WHEREOF, the parties have caused this instrument to be duly
executed.

                                       ALLIANT TECHSYSTEMS INC.,

                                       by
                                          -------------------------------
                                          Name:
                                          Title:

                                       by
                                          -------------------------------
                                          Name:
                                          Title:

Dated:

TRUSTEE'S CERTIFICATE OF
         AUTHENTICATION

BNY MIDWEST TRUST COMPANY,

         as Trustee, certifies
         that this is one of
         the Securities referred
         to in the Indenture.

         by
             -----------------------------
                 Authorized Signatory

*/ If the Security is to be issued in global form, add the Global Securities
Legend and the attachment from Exhibit A captioned "TO BE ATTACHED TO GLOBAL
SECURITIES - SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY".

<Page>

                                                                               4

                   [FORM OF REVERSE SIDE OF EXCHANGE SECURITY]

                    8 1/2% Senior Subordinated Note due 2011

1. INTEREST.

         ALLIANT TECHSYSTEMS INC., a Delaware corporation (such corporation, and
its successors and assigns under the Indenture hereinafter referred to, being
herein called the "Company"), promises to pay interest on the principal amount
of this Security at the rate per annum shown above. The Company shall pay
interest semiannually on May 15 and November 15 of each year. Interest on the
Securities shall accrue from the most recent date to which interest has been
paid or duly provided for or, if no interest has been paid or duly provided for,
from May 14, 2011 until the principal hereof is due. Interest shall be computed
on the basis of a 360-day year of twelve 30-day months. The Company shall pay
interest on overdue principal at the rate borne by the Securities plus 1% per
annum, and it shall pay interest on overdue installments of interest at the same
rate to the extent lawful.

2. METHOD OF PAYMENT

         The Company shall pay interest on the Securities (except defaulted
interest) to the Persons who are registered Holders at the close of business on
the May 1 or November 1 next preceding the interest payment date even if
Securities are canceled after the record date and on or before the interest
payment date. Holders must surrender Securities to a Paying Agent to collect
principal payments. The Company shall pay principal, premium, if any, and
interest in money of the United States of America that at the time of payment is
legal tender for payment of public and private debts. Payments in respect of the
Securities represented by a Global Security (including principal, premium and
interest) shall be made by wire transfer of immediately available funds to the
accounts specified by The Depository Trust Company or any successor depositary.
The Company will make all payments in respect of a certificated Security
(including principal, premium, if any, and interest), at the office of the
Paying Agent, except that, at the option of the Company, payment of interest may
be made by mailing a check to the registered address of each Holder thereof;
PROVIDED, HOWEVER, that payments on the Securities may also be made, in the case
of a Holder of at least $1,000,000 aggregate principal amount of Securities, by
wire transfer to a U.S. dollar account maintained by the payee with a bank in
the United States if such Holder elects payment by wire transfer by giving
written notice to the Trustee or the Paying Agent to such effect designating
such account no later than 30 days immediately preceding the relevant due date
for payment (or such other date as the Trustee may accept in its discretion).

3. PAYING AGENT AND REGISTRAR

         Initially, BNY MIDWEST TRUST COMPANY, an Illinois banking corporation
(the "Trustee"), will act as Paying Agent and Registrar. The Company may appoint
and change any Paying Agent or Registrar without notice. The Company or any of
its domestically incorporated Wholly Owned Subsidiaries may act as Paying Agent
or Registrar.

<Page>

                                                                               5

4. INDENTURE

         The Company issued the Securities under an Indenture dated as of May
14, 2001, (the "Indenture"), among the Company, the Subsidiary Guarantors and
the Trustee. The terms of the Securities include those stated in the Indenture
and those made part of the Indenture by reference to the Trust Indenture Act of
1939 (15 U.S.C. ss.ss. 77aaa-77bbbb) as in effect on the date of the Indenture
(the "TIA"). Terms defined in the Indenture and not defined herein have the
meanings ascribed thereto in the Indenture. The Securities are subject to all
terms and provisions of the Indenture, and Holders (as defined in the Indenture)
are referred to the Indenture and the TIA for a statement of such terms and
provisions.

         The Securities are senior subordinated unsecured obligations of the
Company limited to $600,000,000 aggregate principal amount at any one time
outstanding (subject to Sections 2.08 and 2.09 of the Indenture). This Security
is one of the Exchange Securities referred to in the Indenture. The Securities
include the Original Securities, the Additional Securities and any Exchange
Securities and Private Exchange Securities issued in exchange for the Initial
Securities pursuant to the Indenture. The Initial Securities, the Exchange
Securities and the Private Exchange Securities are treated as a single class of
securities under the Indenture. The Indenture imposes certain limitations on the
ability of the Company and its Restricted Subsidiaries to, among other things,
make certain Investments and other Restricted Payments, pay dividends and other
distributions, incur Indebtedness, enter into consensual restrictions upon the
payment of certain dividends and distributions by such Restricted Subsidiaries,
issue or sell shares of capital stock of such Restricted Subsidiaries, enter
into or permit certain transactions with Affiliates and make Asset Sales. The
Indenture also imposes limitations on the ability of the Company and each
Subsidiary Guarantor to consolidate or merge with or into any other Person or
convey, transfer or lease all or substantially all of its property.

         To guarantee the due and punctual payment of the principal and
interest, if any, on the Securities and all other amounts payable by the Company
under the Indenture and the Securities when and as the same shall be due and
payable, whether at maturity, by acceleration or otherwise, according to the
terms of the Securities and the Indenture, the Subsidiary Guarantors have,
jointly and severally, unconditionally guaranteed the Guaranteed Obligations on
a senior subordinated basis pursuant to the terms of the Indenture.

5. OPTIONAL REDEMPTION

         Except as set forth in the following paragraph, the Securities shall
not be redeemable at the option of the Company prior to May 15, 2006.
Thereafter, the Securities shall be redeemable at the option of the Company, in
whole or in part, on not less than 30 nor more than 60 days prior notice, at the
following redemption prices (expressed as percentages of principal amount), plus
accrued and unpaid interest and liquidated damages, if any, to the redemption
date (subject to the right of Holders of record on the relevant record date to
receive interest due on the relevant interest payment date), if redeemed during
the 12-month period commencing on May 15 of the years set forth below:

<Table>
<Caption>
                                                            REDEMPTION
                  YEAR                                         PRICE
                  -----------------------------------------------------
<S>                                                            <C>
                  2006                                         104.250%
                  2007                                         102.833%

<Page>

                                                                               6

<Caption>
                                                            REDEMPTION
                  YEAR                                         PRICE
                  -----------------------------------------------------
<S>                                                            <C>
                  2008                                         101.417%
                  2009 and thereafter                          100.000%
</Table>

         In addition, prior to May 15, 2004, the Company may redeem up to a
maximum of 35% of the original aggregate principal amount of the Securities
(calculated giving effect to any issuance of Additional Securities) with the Net
Cash Proceeds of one or more Qualified Equity Offerings by the Company, at a
redemption price equal to 108.500% of the principal amount thereof, plus accrued
and unpaid interest and liquidated damages thereon, if any, to the redemption
date (subject to the right of Holders of record on the relevant record date to
receive interest due on the relevant interest payment date); PROVIDED, HOWEVER,
that after giving effect to any such redemption, at least 65% of the original
aggregate principal amount of the Securities (calculated giving effect to any
issuance of Additional Securities) remains outstanding. Any such redemption
shall be made within 90 days of such Qualified Equity Offering upon not less
than 30 nor more than 60 days notice mailed to each Holder of Securities being
redeemed and otherwise in accordance with the procedures set forth in the
Indenture.

6. SINKING FUND

         The Securities are not subject to any sinking fund.

7. NOTICE OF REDEMPTION

         Notice of redemption will be mailed by first-class mail at least 30
days but not more than 60 days before the redemption date to each Holder of
Securities to be redeemed at his or her registered address. Securities in
denominations larger than $1,000 may be redeemed in part but only in whole
multiples of $1,000. If money sufficient to pay the redemption price of and
accrued and unpaid interest and liquidated damages, if any, on all Securities
(or portions thereof) to be redeemed on the redemption date is deposited with
the Paying Agent on or before the redemption date and certain other conditions
are satisfied, on and after such date interest ceases to accrue on such
Securities (or such portions thereof) called for redemption.

8. REPURCHASE OF SECURITIES AT THE OPTION OF HOLDERS UPON CHANGE OF CONTROL AND
   ASSET DISPOSITIONS

         Upon a Change of Control, any Holder of Securities will have the right,
subject to certain conditions specified in the Indenture, to cause the Company
to repurchase all or any part of the Securities of such Holder at a purchase
price equal to 101% of the principal amount of the Securities to be repurchased
plus accrued and unpaid interest and liquidated damages, if any, to the date of
repurchase (subject to the right of Holders of record on the relevant record
date to receive interest due on the relevant interest payment date that is on or
prior to the date of purchase) as provided in, and subject to the terms of, the
Indenture.

         In accordance with Section 4.06 of the Indenture, the Company will be
required to offer to purchase Securities upon the occurrence of certain events.

9. SUBORDINATION

         The Securities and Subsidiary Guarantees are subordinated to Senior
Indebtedness, as defined in the Indenture. To the extent provided in the
Indenture, Senior Indebtedness must be paid before the Securities and Subsidiary
Guarantees may be paid. The Company and each

<Page>

                                                                               7

Subsidiary Guarantor agrees, and each Holder by accepting a Security agrees, to
the subordination provisions contained in the Indenture and authorizes the
Trustee to give it effect and appoints the Trustee as attorney-in-fact for such
purpose.

10. DENOMINATIONS; TRANSFER; EXCHANGE

         The Securities are in registered form without coupons in denominations
of $1,000 and whole multiples of $1,000. A Holder may transfer or exchange
Securities in accordance with the Indenture. Upon any transfer or exchange, the
Registrar and the Trustee may require a Holder, among other things, to furnish
appropriate endorsements or transfer documents and to pay any taxes required by
law or permitted by the Indenture. The Registrar need not register the transfer
of or exchange any Securities selected for redemption (except, in the case of a
Security to be redeemed in part, the portion of the Security not to be redeemed)
or to transfer or exchange any Securities for a period of 15 days prior to the
mailing of a notice of redemption of Securities to be redeemed or 15 days before
an interest payment date.

11. PERSONS DEEMED OWNERS

         Except as provided in paragraph 2 hereof, the registered Holder of this
Security may be treated as the owner of it for all purposes.

12. UNCLAIMED MONEY

         If money for the payment of principal or interest remains unclaimed for
two years, the Trustee and the Paying Agent shall pay the money back to the
Company at its written request unless an abandoned property law designates
another Person. After any such payment, Holders entitled to the money must look
to the Company for payment as general creditors and the Trustee and the Paying
Agent shall have no further liability with respect to such monies.

13. DISCHARGE AND DEFEASANCE

         Subject to certain conditions, the Company at any time may terminate
some of or all its obligations under the Securities and the Indenture if the
Company deposits with the Trustee money or U.S. Government Obligations for the
payment of principal and interest on the Securities to redemption or maturity,
as the case may be.

14. AMENDMENT, WAIVER

         Subject to certain exceptions set forth in the Indenture, (i) the
Indenture or the Securities may be amended without prior notice to any Holder
but with the written consent of the Holders of at least a majority in aggregate
principal amount of the outstanding Securities and (ii) any default may be
waived with the written consent of the Holders of at least a majority in
principal amount of the outstanding Securities. Subject to certain exceptions
set forth in the Indenture, without the consent of any Holder, the Company, the
Subsidiary Guarantors and the Trustee may amend the Indenture or the Securities
(i) to cure any ambiguity, omission, defect or inconsistency; (ii) to comply
with Article 5 of the Indenture; (iii) to provide for uncertificated Securities
in addition to or in place of certificated Securities; (iv) to add Subsidiary
Guarantees with respect to the Securities; (v) to secure the Securities; (vi) to
add additional covenants or to surrender rights and powers conferred on the
Company; (vii) to comply with the requirements of the SEC in order to

<Page>

                                                                               8

effect or maintain the qualification of the Indenture under the TIA; (viii) to
make any change that does not adversely affect the rights of any Holder; (ix) to
make any change in the subordination provisions of the Indenture that would
limit or terminate the benefits available to any holder of Senior Indebtedness
of the Company (or any Representative thereof) under such subordination
provisions; or (x) to provide for the issuance of the Exchange Securities,
Private Exchange Securities or Additional Securities.

15. DEFAULTS AND REMEDIES

         If an Event of Default occurs (other than an Event of Default relating
to certain events of bankruptcy, insolvency or reorganization of the Company)
and is continuing, the Trustee or the Holders of at least 25% in principal
amount of the outstanding Securities may declare the principal of and accrued
but unpaid interest on all the Securities to be due and payable. If an Event of
Default relating to certain events of bankruptcy, insolvency or reorganization
of the Company occurs, the principal of and interest on all the Securities shall
become immediately due and payable without any declaration or other act on the
part of the Trustee or any Holders. Under certain circumstances, the Holders of
a majority in principal amount of the outstanding Securities may rescind any
such acceleration with respect to the Securities and its consequences.

         If an Event of Default occurs and is continuing, the Trustee shall be
under no obligation to exercise any of the rights or powers under the Indenture
at the request or direction of any of the Holders unless such Holders have
offered to the Trustee indemnity or security reasonably satisfactory to it
against any loss, liability or expense and certain other conditions are complied
with. Except to enforce the right to receive payment of principal, premium (if
any) or interest when due, no Holder may pursue any remedy with respect to the
Indenture or the Securities unless (i) such Holder has previously given the
Trustee notice that an Event of Default is continuing, (ii) Holders of at least
25% in principal amount of the outstanding Securities have requested the Trustee
in writing to pursue the remedy, (iii) such Holders have offered the Trustee
security or indemnity reasonably satisfactory to it against any loss, liability
or expense, (iv) the Trustee has not complied with such request within 60 days
after the receipt of the request and the offer of security or indemnity and (v)
the Holders of a majority in principal amount of the outstanding Securities have
not given the Trustee a direction inconsistent with such request within such
60-day period. Subject to certain restrictions, the Holders of a majority in
principal amount of the outstanding Securities are given the right to direct the
time, method and place of conducting any proceeding for any remedy available to
the Trustee or of exercising any trust or power conferred on the Trustee. The
Trustee, however, may refuse to follow any direction that conflicts with law or
the Indenture or that the Trustee determines is unduly prejudicial to the rights
of any other Holder or that would involve the Trustee in personal liability.
Prior to taking any action under the Indenture, the Trustee shall be entitled to
indemnification satisfactory to it in its sole discretion against all losses and
expenses caused by taking or not taking such action.

16. TRUSTEE DEALINGS WITH THE COMPANY

         Subject to certain limitations imposed by the TIA, the Trustee under
the Indenture, in its individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with and collect obligations owed
to it by the Company or its Affiliates and may otherwise deal with the Company
or its Affiliates with the same rights it would have if it were not Trustee.

<Page>

                                                                               9

17. NO RECOURSE AGAINST OTHERS

         A director, officer, employee or stockholder, as such, of the Company
or any Subsidiary Guarantor shall not have any liability for any obligations of
the Company under the Securities or the Indenture or for any claim based on, in
respect of or by reason of such obligations or their creation. By accepting a
Security, each Holder waives and releases all such liability. The waiver and
release are part of the consideration for the issue of the Securities.

18. AUTHENTICATION

         This Security shall not be valid until an authorized signatory of the
Trustee (or an authenticating agent) manually signs the certificate of
authentication on the other side of this Security.

19. ABBREVIATIONS

         Customary abbreviations may be used in the name of a Holder or an
assignee, such as TEN COM (=tenants in common), TEN ENT (=tenants by the
entireties), JT TEN (=joint tenants with rights of survivorship and not as
tenants in common), CUST (=custodian), and U/G/M/A (=Uniform Gift to Minors
Act).

20. GOVERNING LAW

         THIS SECURITY SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF NEW YORK BUT WITH OUT GIVING EFFECT TO APPLICABLE
PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF
ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

21. CUSIP AND ISIN NUMBERS

         The Company has caused CUSIP and ISIN numbers to be printed on the
Securities and has directed the Trustee to use CUSIP and ISIN numbers in notices
of redemption as a convenience to Holders. No representation is made as to the
accuracy of such numbers either as printed on the Securities or as contained in
any notice of redemption and reliance may be placed only on the other
identification numbers placed thereon.

         THE COMPANY WILL FURNISH TO ANY HOLDER OF SECURITIES UPON WRITTEN
REQUEST AND WITHOUT CHARGE TO THE HOLDER A COPY OF THE INDENTURE WHICH HAS IN IT
THE TEXT OF THIS SECURITY.

<Page>

                                                                              10

                                 ASSIGNMENT FORM

To assign this Security, fill in the form below:

I or we assign and transfer this Security to

       (Print or type assignee's name, address and zip code)

       (Insert assignee's soc. sec. or tax I.D. No.)

and irrevocably appoint             agent to transfer this Security on the books
of the Company.  The agent may substitute another to act for him.

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

Date: ________________ Your Signature: _____________________

------------------------------------------------------------
Sign exactly as your name appears on the other side of this Security. Signature
must be guaranteed by a participant in a recognized signature guaranty medallion
program or other signature guarantor acceptable to the Trustee.

<Page>

                                                                              11

                       OPTION OF HOLDER TO ELECT PURCHASE

         IF YOU WANT TO ELECT TO HAVE THIS SECURITY PURCHASED BY THE COMPANY
PURSUANT TO SECTION 4.06 (ASSET DISPOSITION) OR 4.08 (CHANGE OF CONTROL) OF THE
INDENTURE, CHECK THE BOX:

                   ASSET DISPOSITION |_| CHANGE OF CONTROL |_|

         IF YOU WANT TO ELECT TO HAVE ONLY PART OF THIS SECURITY PURCHASED BY
THE COMPANY PURSUANT TO SECTION 4.06 OR 4.08 OF THE INDENTURE, STATE THE AMOUNT
($1,000 OR AN INTEGRAL MULTIPLE THEREOF):

$

DATE: __________________ YOUR SIGNATURE: __________________
                                            (SIGN EXACTLY AS YOUR NAME  APPEARS
                           ON THE OTHER SIDE OF THE SECURITY)

SIGNATURE GUARANTEE:_______________________________________
                                    SIGNATURE MUST BE GUARANTEED BY A
                                    PARTICIPANT IN A RECOGNIZED SIGNATURE
                                    GUARANTY MEDALLION PROGRAM OR OTHER
                                    SIGNATURE GUARANTOR ACCEPTABLE TO THE
                                    TRUSTEE.

<Page>

                                                                              12

                      [TO BE ATTACHED TO GLOBAL SECURITIES]

              SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY

         The initial principal amount of this Global Security is $[   ]. The
following increases or decreases in this Global Security have been made:

<Table>
<Caption>
Date of     Amount of decrease in         Amount of increase in       Principal amount of this        Signature of authorized
Exchange    Principal Amount of this      Principal Amount of this    Global Security following       signatory of Trustee or
            Global Security               Global Security             such decrease or increase       Securities Custodian
<S>         <C>                           <C>                         <C>                             <C>
</Table>

<Page>

                                                                       EXHIBIT C

                         FORM OF SUPPLEMENTAL INDENTURE

                                    SUPPLEMENTAL INDENTURE (this "Supplemental
                           Indenture") dated as of , among [GUARANTOR] (the "New
                           Guarantor"), a subsidiary of ALLIANT TECHSYSTEMS INC.
                           (or its successor), a [Delaware] corporation (the
                           "Company"), [EXISTING GUARANTORS] and BNY MIDWEST
                           TRUST COMPANY, an Illinois banking corporation, as
                           trustee under the indenture referred to below (the
                           "Trustee").

                              W I T N E S S E T H :

         WHEREAS the Company and [OLD GUARANTORS] (the "Existing Guarantors")
has heretofore executed and delivered to the Trustee an Indenture (the
"Indenture") dated as of May 14, 2001, providing for the issuance of an
aggregate principal amount of up to $600,000,000 of 8 1/2% Senior Subordinated
Notes due 2011 (the "Securities");

         WHEREAS Section 4.11 of the Indenture provides that under certain
circumstances the Company is required to cause the New Guarantor to execute and
deliver to the Trustee a supplemental indenture pursuant to which the New
Guarantor shall unconditionally guarantee all the Company's obligations under
the Securities pursuant to a Subsidiary Guarantee on the terms and conditions
set forth herein; and

         WHEREAS pursuant to Section 9.01 of the Indenture, the Trustee, the
Company and the Existing Guarantors are authorized to execute and deliver this
Supplemental Indenture;

         NOW THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the New
Guarantor, the Company, the Existing Guarantors and the Trustee mutually
covenant and agree for the equal and ratable benefit of the holders of the
Securities as follows:

         1. AGREEMENT TO GUARANTEE. The New Guarantor hereby agrees, jointly and
severally with all the Existing Guarantors, to unconditionally guarantee the
Company's obligations under the Securities on the terms and subject to the
conditions set forth in Articles 11 and 12 of the Indenture and to be bound by
all other applicable provisions of the Indenture and the Securities.

         2. RATIFICATION OF INDENTURE; SUPPLEMENTAL INDENTURES PART OF
INDENTURE. Except as expressly amended hereby, the Indenture is in all respects
ratified and confirmed and all the terms, conditions and provisions thereof
shall remain in full force and effect. This Supplemental Indenture shall form a
part of the Indenture for all purposes, and every holder of Securities
heretofore or hereafter authenticated and delivered shall be bound hereby.

         3. GOVERNING LAW. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK BUT WITHOUT
GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT
THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

                                       1
<Page>

                                                                               2

         4. TRUSTEE MAKES NO REPRESENTATION. The Trustee makes no representation
as to the validity or sufficiency of this Supplemental Indenture.

         5. COUNTERPARTS. The parties may sign any number of copies of this
Supplemental Indenture. Each signed copy shall be an original, but all of them
together represent the same agreement.

         6. EFFECT OF HEADINGS. The Section headings herein are for convenience
only and shall not effect the construction thereof.

         IN WITNESS WHEREOF, the parties hereto have caused this Supplemental
Indenture to be duly executed as of the date first above written.

                                      [NEW GUARANTOR],

                                      by
                                         ------------------------------
                                         Name:
                                         Title:

                                      ALLIANT TECHSYSTEMS INC.,

                                      by
                                         ------------------------------
                                         Name:
                                         Title:

                                      [EXISTING GUARANTORS],

                                      by
                                         ------------------------------
                                         Name:
                                         Title:

                                      BNY MIDWEST TRUST COMPANY, as Trustee,

                                      by
                                         ------------------------------
                                         Name:
                                         Title:

<Page>

                                                                       EXHIBIT D

                                     Form of
                       Transferee Letter of Representation

Alliant Techsystems Inc.
600 Second Street NE
MN 11-2047
Hopkins, MN  55343

Ladies and Gentlemen:

         This certificate is delivered to request a transfer of $[   ] principal
amount of the 8 1/2% Senior Subordinated Notes due 2011 (the "Securities") of
Alliant Techsystems Inc. (the "Company").

         Upon transfer, the Securities would be registered in the name of the
new beneficial owner as follows:

Name:________________________

Address:_____________________

Taxpayer ID Number:__________

         The undersigned represents and warrants to you that:

         1. We are an institutional "accredited investor" (as defined in Rule
501(a)(1), (2), (3) or (7) under the Securities Act of 1933, as amended (the
"Securities Act")), purchasing for our own account or for the account of such an
institutional "accredited investor" at least $250,000 principal amount of the
Securities, and we are acquiring the Securities not with a view to, or for offer
or sale in connection with, any distribution in violation of the Securities Act.
We have such knowledge and experience in financial and business matters as to be
capable of evaluating the merits and risks of our investment in the Securities,
and we invest in or purchase securities similar to the Securities in the normal
course of our business. We, and any accounts for which we are acting, are each
able to bear the economic risk of our or its investment.

         2. We understand that the Securities have not been registered under the
Securities Act and, unless so registered, may not be sold except as permitted in
the following sentence. We agree on our own behalf and on behalf of any investor
account for which we are purchasing Securities to offer, sell or otherwise
transfer such Securities prior to the date that is two years after the later of
the date of original issue and the last date on which the Company or any
affiliate of the Company was the owner of such Securities (or any predecessor
thereto) (the "Resale Restriction Termination Date") only (a) to the Company or
its Subsidiaries, (b) pursuant to a registration statement that has been
declared effective under the Securities Act, (c) in a transaction complying with
the requirements of Rule 144A under the Securities Act ("Rule 144A"), to a
person we reasonably believe is a qualified institutional buyer under Rule 144A
(a "QIB") that is purchasing for its own account or for the account of a QIB and
to whom notice is given that the transfer is being made in reliance on Rule
144A, (d) pursuant to

                                       1
<Page>

                                                                               2

offers and sales that occur outside the United States within the meaning of
Regulation S under the Securities Act, (e) to an institutional "accredited
investor" within the meaning of Rule 501(a)(1), (2), (3) or (7) under the
Securities Act that is purchasing for its own account or for the account of such
an institutional "accredited investor," in each case in a minimum principal
amount of Securities of $250,000, or (f) pursuant to any other available
exemption from the registration requirements of the Securities Act, subject in
each of the foregoing cases to any requirement of law that the disposition of
our property or the property of such investor account or accounts be at all
times within our or their control and in compliance with any applicable state
securities laws. The foregoing restrictions on resale will not apply subsequent
to the Resale Restriction Termination Date. If any resale or other transfer of
the Securities is proposed to be made pursuant to clause (e) above prior to the
Resale Restriction Termination Date, the transferor shall deliver a letter from
the transferee substantially in the form of this letter to the Company and the
Trustee, which shall provide, among other things, that the transferee is an
institutional "accredited investor" within the meaning of Rule 501(a)(1), (2),
(3) or (7) under the Securities Act and that it is acquiring such Securities for
investment purposes and not for distribution in violation of the Securities Act.
Each purchaser acknowledges that the Company and the Trustee reserve the right
prior to the offer, sale or other transfer prior to the Resale Restriction
Termination Date of the Securities pursuant to clause (d), (e) or (f) above to
require the delivery of an opinion of counsel, certifications or other
information satisfactory to the Company and the Trustee.

                                        TRANSFEREE:_________________,

                                        by:___________________________<Page>

                                                                     EXHIBIT 4.4

                                                                  CONFORMED COPY

                            ALLIANT TECHSYSTEMS INC.

                                  $400,000,000

                    8 1/2% SENIOR SUBORDINATED NOTES DUE 2011

                   EXCHANGE AND REGISTRATION RIGHTS AGREEMENT

                                                                    May 14, 2001

J.P. Morgan Securities Inc.
Credit Lyonnais Securities (USA) Inc.
TD Securities (USA) Inc.
BNY Capital Markets, Inc.
First Union Securities, Inc.
U.S. Bancorp Libra

c/o JPMorgan
270 Park Avenue, 4th floor
New York, New York  10017

Ladies and Gentlemen:

         Alliant Techsystems Inc., a Delaware corporation (the "COMPANY"),
proposes to issue and sell to J.P. Morgan Securities Inc. ("JPMORGAN"), and
Credit Lyonnais Securities (USA) Inc., TD Securities (USA) Inc., BNY Capital
Markets, Inc., First Union Securities, Inc. and U.S. Bancorp Libra, a division
of U.S. Bancorp Investments Inc., (together with JPMorgan, the "INITIAL
PURCHASERS"), upon the terms and subject to the conditions set forth in a
purchase agreement dated May 9, 2001 (the "PURCHASE AGREEMENT"), $400,000,000
aggregate principal amount of its 8 1/2% Senior Subordinated Notes due 2011 (the
"SECURITIES") to be jointly and severally guaranteed on a senior subordinated
basis by certain of the Company's subsidiaries signatory hereto (the "Subsidiary
Guarantors"). Capitalized terms used but not defined herein shall have the
meanings given to such terms in the Purchase Agreement.

         As an inducement to the Initial Purchasers to enter into the Purchase
Agreement and in satisfaction of a condition to the obligations of the Initial
Purchasers thereunder, the Company and the Subsidiary Guarantors agree with the
Initial Purchasers, for the benefit of the holders (including the Initial
Purchasers of the Securities, the Exchange Securities (as defined herein) and
the Private Exchange Securities (as defined herein) (collectively, the
"HOLDERS"), as follows:

         1. REGISTERED EXCHANGE OFFER. The Company and the Subsidiary Guarantors
shall (i) prepare and, not later than 90 days following the date of original
issuance of the Securities (the "ISSUE DATE"), file with the Commission a
registration statement (the "EXCHANGE OFFER REGISTRATION STATEMENT") on an
appropriate form under the Securities Act with respect to a proposed offer to
the Holders of the Securities (the "REGISTERED EXCHANGE OFFER") to issue and
deliver to such Holders, in exchange for the Securities, a like aggregate
principal amount of debt securities of the Company (the "EXCHANGE SECURITIES")
that are identical in all material respects to the Securities, except for the
transfer restrictions relating to the Securities and provisions relating to
liquidated damages, (ii) use their reasonable best efforts to cause the Exchange
Offer Registration Statement to become effective under the Securities Act no
later than 180 days after the Issue Date and the Registered Exchange Offer to be
consummated no later than 210 days after the Issue Date and (iii) keep the
Exchange Offer Registration Statement effective for not less than 30 days (or
longer, if required by applicable law) after the date on which notice of the
Registered Exchange Offer is mailed to the Holders (such period being called the
"EXCHANGE

<Page>

                                                                               2

OFFER REGISTRATION PERIOD"). The Exchange Securities will be issued under the
Indenture or an indenture (the "EXCHANGE SECURITIES INDENTURE") among the
Company, the Subsidiary Guarantors and the Trustee or such other bank or trust
company that is reasonably satisfactory to the Initial Purchasers, as trustee
(the "EXCHANGE SECURITIES TRUSTEE"), such indenture to be identical in all
material respects to the Indenture, except for the transfer restrictions
relating to the Securities and provisions relating to liquidated damages (as
described above).

         Upon the effectiveness of the Exchange Offer Registration Statement,
the Company shall promptly commence the Registered Exchange Offer, it being the
objective of such Registered Exchange Offer to enable each Holder electing to
exchange Securities for Exchange Securities (assuming that such Holder (a) is
not an affiliate of the Company or an Exchanging Dealer (as defined herein) not
complying with the requirements of the next sentence, (b) is not an Initial
Purchaser holding Securities that have, or that are reasonably likely to have,
the status of an unsold allotment in an initial distribution, (c) acquires the
Exchange Securities in the ordinary course of such Holder's business and (d) has
no arrangements or understandings with any person to participate in the
distribution of the Exchange Securities) and to trade such Exchange Securities
from and after their receipt without any limitations or restrictions under the
Securities Act and without material restrictions under the securities laws of
the several states of the United States. The Company, the Subsidiary Guarantors,
the Initial Purchasers and each Exchanging Dealer acknowledge that, pursuant to
current interpretations by the Commission's staff of Section 5 of the Securities
Act, each Holder that is a broker-dealer electing to exchange Securities,
acquired for its own account as a result of market-making activities or other
trading activities, for Exchange Securities (an "EXCHANGING DEALER"), is
required to deliver a prospectus containing substantially the information set
forth in Annex A hereto on the cover, in Annex B hereto in the "Exchange Offer
Procedures" section and the "Purpose of the Exchange Offer" section and in Annex
C hereto in the "Plan of Distribution" section of such prospectus in connection
with a sale of any such Exchange Securities received by such Exchanging Dealer
pursuant to the Registered Exchange Offer.

         If, prior to the consummation of the Registered Exchange Offer, any
Holder holds any Securities acquired by it that have, or that are reasonably
likely to be determined to have, the status of an unsold allotment in an initial
distribution, or any Holder is not entitled to participate in the Registered
Exchange Offer, the Company shall, upon the request of any such Holder,
simultaneously with the delivery of the Exchange Securities in the Registered
Exchange Offer, issue and deliver to any such Holder, in exchange for the
Securities held by such Holder (the "PRIVATE EXCHANGE"), a like aggregate
principal amount of debt securities of the Company (the "PRIVATE EXCHANGE
SECURITIES") that are identical in all material respects to the Exchange
Securities, except for the transfer restrictions relating to such Private
Exchange Securities. The Private Exchange Securities will be issued under the
same indenture as the Exchange Securities.

         In connection with the Registered Exchange Offer, the Company shall:

         (a) mail to each Holder a copy of the prospectus forming part of the
     Exchange Offer Registration Statement, together with an appropriate letter
     of transmittal and related documents;

         (b) keep the Registered Exchange Offer open for not less than 30 days
     (or longer, if required by applicable law) after the date on which notice
     of the Registered Exchange Offer is mailed to the Holders;

         (c) utilize the services of a depositary for the Registered Exchange
     Offer with an address in the Borough of Manhattan, The City of New York;

<Page>

                                                                               3

         (d) permit Holders to withdraw tendered Securities at any time prior to
     the close of business, New York City time, on the last business day on
     which the Registered Exchange Offer shall remain open; and

         (e) otherwise comply in all respects with all laws that are applicable
     to the Registered Exchange Offer.

         As soon as practicable after the close of the Registered Exchange Offer
and any Private Exchange, as the case may be, the Company shall:

         (a) accept for exchange all Securities tendered and not validly
     withdrawn pursuant to the Registered Exchange Offer and the Private
     Exchange, as the case may be;

         (b) deliver to the Trustee for cancelation all Securities so accepted
     for exchange; and

         (c) cause the Trustee or the Exchange Securities Trustee, as the case
     may be, promptly to authenticate and deliver to each Holder, Exchange
     Securities or Private Exchange Securities, as the case may be, equal in
     principal amount to the Securities of such Holder so accepted for exchange.

         The Company and the Subsidiary Guarantors shall use their reasonable
best efforts to keep the Exchange Offer Registration Statement effective and to
amend and supplement the prospectus contained therein in order to permit such
prospectus to be used by all persons subject to the prospectus delivery
requirements of the Securities Act for such period of time as such persons must
comply with such requirements in order to resell the Exchange Securities;
PROVIDED that (i) in the case where such prospectus and any amendment or
supplement thereto must be delivered by an Exchanging Dealer, such period shall
be the lesser of 180 days and the date on which all Exchanging Dealers have sold
all Exchange Securities held by them and (ii) the Company shall make such
prospectus and any amendment or supplement thereto available to any
broker-dealer for use in connection with any resale of any Exchange Securities
for a period of not less than 90 days after the consummation of the Registered
Exchange Offer.

         The Indenture or the Exchange Securities Indenture, as the case may be,
shall provide that the Securities, the Exchange Securities and the Private
Exchange Securities shall vote and consent together on all matters as one class
and that none of the Securities, the Exchange Securities or the Private Exchange
Securities will have the right to vote or consent as a separate class on any
matter.

         Interest on each Exchange Security and Private Exchange Security issued
pursuant to the Registered Exchange Offer and in the Private Exchange will
accrue from the last interest payment date on which interest was paid on the
Securities surrendered in exchange therefor or, if no interest has been paid on
the Securities, from the Issue Date.

         Each Holder participating in the Registered Exchange Offer shall be
required to represent to the Company that at the time of the consummation of the
Registered Exchange Offer (i) any Exchange Securities received by such Holder
will be acquired in the ordinary course of business, (ii) such Holder will have
no arrangements or understanding with any person to participate in the
distribution of the Securities or the Exchange Securities within the meaning of
the Securities Act and (iii) such Holder is not an affiliate of the Company or,
if it is such an affiliate or an Exchanging Dealer, such Holder will comply with
the registration and prospectus delivery requirements of the Securities Act to
the extent applicable.

<Page>

                                                                               4

         Notwithstanding any other provisions hereof, the Company and the
Subsidiary Guarantors will ensure that (i) any Exchange Offer Registration
Statement and any amendment thereto and any prospectus forming part thereof and
any supplement thereto complies in all material respects with the Securities Act
and the rules and regulations of the Commission thereunder, (ii) any Exchange
Offer Registration Statement and any amendment thereto does not, when it becomes
effective, contain an untrue statement of a material fact or omit to state a
material fact required to be stated therein or necessary to make the statements
therein not misleading and (iii) any prospectus forming part of any Exchange
Offer Registration Statement, and any supplement to such prospectus, does not,
as of the consummation of the Registered Exchange Offer, include an untrue
statement of a material fact or omit to state a material fact necessary in order
to make the statements therein, in the light of the circumstances under which
they were made, not misleading.

         2. SHELF REGISTRATION. If (i) because of any change in law or
applicable interpretations thereof by the Commission's staff the Company is not
permitted to effect the Registered Exchange Offer as contemplated by Section 1
hereof, or (ii) any Securities validly tendered pursuant to the Registered
Exchange Offer are not exchanged for Exchange Securities within 210 days after
the Issue Date, or (iii) any Initial Purchaser so requests with respect to
Securities or Private Exchange Securities not eligible to be exchanged for
Exchange Securities in the Registered Exchange Offer and held by it following
the consummation of the Registered Exchange Offer, or (iv) any applicable law or
interpretations do not permit any Holder to participate in the Registered
Exchange Offer (other than as a result of a Holder being unable to make the
representations in the penultimate paragraph of Section 1), or (v) any Holder
that participates in the Registered Exchange Offer does not receive freely
transferable Exchange Securities in exchange for tendered Securities (other than
as a result of a Holder being unable to make the representations in the
penultimate paragraph of Section 1), or (vi) the Company so elects, then the
following provisions shall apply:

         (a) The Company and the Subsidiary Guarantors shall use their
     reasonable best efforts to file as promptly as practicable (but in no event
     more than 45 days after so required or requested pursuant to this Section
     2) with the Commission, and thereafter shall use their reasonable best
     efforts to cause to be declared effective, a shelf registration statement
     on an appropriate form under the Securities Act relating to the offer and
     sale of the Transfer Restricted Securities (as defined below) by the
     Holders thereof from time to time in accordance with the methods of
     distribution set forth in such registration statement (hereafter, a "SHELF
     REGISTRATION STATEMENT" and, together with any Exchange Offer Registration
     Statement, a "REGISTRATION STATEMENT").

         (b) The Company and the Subsidiary Guarantors shall use their
     reasonable best efforts to keep the Shelf Registration Statement
     continuously effective in order to permit the prospectus forming part
     thereof to be used by Holders of Transfer Restricted Securities for a
     period ending on the earlier of (i) two years from the Issue Date or such
     shorter period that will terminate when all the Transfer Restricted
     Securities covered by the Shelf Registration Statement have been sold
     pursuant thereto and (ii) the date on which the Securities become eligible
     for resale without volume restrictions pursuant to Rule 144 under the
     Securities Act (in any such case, such period being called the "SHELF
     REGISTRATION PERIOD"). The Company and the Subsidiary Guarantors shall be
     deemed not to have used their reasonable best efforts to keep the Shelf
     Registration Statement effective during the requisite period if any of them
     voluntarily take any action that would result in Holders of Transfer
     Restricted Securities covered thereby not being able to offer and sell such
     Transfer Restricted Securities during that period, unless such action is
     (i) required by applicable law or (ii) taken in good faith for valid
     business reasons, such as any material acquisition or disposition of
     assets, PROVIDED, HOWEVER, that in the case of clause (ii) above, the
     Company and the Subsidiary Guarantors thereafter shall use their

<Page>

                                                                               5

     reasonable best efforts to prepare and file a post-effective amendment to
     reflect any such action as required by applicable securities laws. The
     Company and the Subsidiary Guarantors may give any such notice only twice
     during any 365-day period, any such suspensions may not exceed 30 days for
     each suspension and there may not be more than two suspensions in effect
     during any 365-day period.

         (c) Notwithstanding any other provisions hereof, the Company and the
     Subsidiary Guarantors will ensure that (i) any Shelf Registration Statement
     and any amendment thereto and any prospectus forming part thereof and any
     supplement thereto complies in all material respects with the Securities
     Act and the rules and regulations of the Commission thereunder, (ii) any
     Shelf Registration Statement and any amendment thereto (in either case,
     other than with respect to information included therein in reliance upon or
     in conformity with written information furnished to the Company by or on
     behalf of any Holder specifically for use therein (the "HOLDERS'
     INFORMATION")) does not contain an untrue statement of a material fact or
     omit to state a material fact required to be stated therein or necessary to
     make the statements therein not misleading and (iii) any prospectus forming
     part of any Shelf Registration Statement, and any supplement to such
     prospectus (in either case, other than with respect to Holders'
     Information), does not include an untrue statement of a material fact or
     omit to state a material fact necessary in order to make the statements
     therein, in the light of the circumstances under which they were made, not
     misleading.

         3. LIQUIDATED DAMAGES. (a) The parties hereto agree that the Holders of
Transfer Restricted Securities will suffer damages if any of the Company and the
Subsidiary Guarantors fails to fulfill their obligations under Section 1 or
Section 2, as applicable, and that it would not be feasible to ascertain the
extent of such damages. Accordingly, if (i) the applicable Registration
Statement is not filed with the Commission on or prior to 90 days after the
Issue Date, (ii) the Exchange Offer Registration Statement or the Shelf
Registration Statement, as the case may be, is not declared effective within 180
days or 255 days, respectively, after the Issue Date (or in the case of a Shelf
Registration Statement required to be filed in response to a change in law or
the applicable interpretations of Commission's staff, if later, within 45 days
after publication of the change in law or interpretation), (iii) the Registered
Exchange Offer is not consummated on or prior to 210 days after the Issue Date,
or (iv) the Shelf Registration Statement is filed and declared effective within
255 days after the Issue Date (or in the case of a Shelf Registration Statement
required to be filed in response to a change in law or the applicable
interpretations of Commission's staff, if later, within 45 days after
publication of the change in law or interpretation) but shall thereafter cease
to be effective (at any time that the Company and the Subsidiary Guarantors are
obligated to maintain the effectiveness thereof) without being succeeded within
45 days by an additional Registration Statement filed and declared effective
(each such event referred to in clauses (i) through (iv), a "REGISTRATION
DEFAULT"), the Company and the Subsidiary Guarantors will be jointly and
severally obligated to pay liquidated damages to each Holder of Transfer
Restricted Securities, during the period of one or more such Registration
Defaults, in an amount equal to $ 0.192 per week per $1,000 principal amount of
Transfer Restricted Securities held by such Holder until (i) the applicable
Registration Statement is filed, (ii) the Exchange Offer Registration Statement
is declared effective and the Registered Exchange Offer is consummated, (iii)
the Shelf Registration Statement is declared effective or (iv) the Shelf
Registration Statement again becomes effective, as the case may be. Following
the cure of all Registration Defaults, the accrual of liquidated damages will
cease. As used herein, the term "TRANSFER RESTRICTED SECURITIES" means (i) each
Security until the date on which such Security has been exchanged for a freely
transferable Exchange Security in the Registered Exchange Offer, (ii) each
Security or Private Exchange Security until the date on which it has been
effectively registered under the Securities Act and disposed of in accordance
with the Shelf Registration Statement or (iii) each Security or Private Exchange
Security until the date on which it is distributed to the public pursuant to
Rule 144 under the Securities Act or is saleable pursuant

<Page>

                                                                               6

to Rule 144(k) under the Securities Act. Notwithstanding anything to the
contrary in this Section 3(a), the Company shall not be required to pay
liquidated damages to a Holder of Transfer Restricted Securities if such Holder
failed to comply with its obligations to make the representations set forth in
the second to last paragraph of Section 1 or failed to provide the information
required to be provided by it, if any, pursuant to Section 4(n).

         (b) The Company shall notify the Trustee and the paying agent under the
Indenture (the "PAYING AGENT") immediately upon the happening of each and every
Registration Default. The Company and the Subsidiary Guarantors shall pay the
liquidated damages due on the Transfer Restricted Securities by depositing with
the Paying Agent (which may not be the Company for these purposes), in trust,
for the benefit of the Holders thereof, prior to 10:00 a.m., New York City time,
on the next interest payment date specified by the Indenture and the Securities,
sums sufficient to pay the liquidated damages then due. The liquidated damages
due shall be payable on each interest payment date specified by the Indenture
and the Securities to the record holder entitled to receive the interest payment
to be made on such date. Each obligation to pay liquidated damages shall be
deemed to accrue from and including the date of the applicable Registration
Default.

         (c) The parties hereto agree that the liquidated damages provided for
in this Section 3 constitute a reasonable estimate of and are intended to
constitute the sole damages that will be suffered by Holders of Transfer
Restricted Securities by reason of the failure of (i) the Shelf Registration
Statement or the Exchange Offer Registration Statement to be filed, (ii) the
Shelf Registration Statement to remain effective or (iii) the Exchange Offer
Registration Statement to be declared effective and the Registered Exchange
Offer to be consummated, in each case to the extent required by this Agreement.

         4. REGISTRATION PROCEDURES. In connection with any Registration
Statement, the following provisions shall apply:

         (a) The Company shall (i) furnish to each Initial Purchaser, prior to
     the filing thereof with the Commission, a copy of the Registration
     Statement and each amendment thereof and each supplement, if any, to the
     prospectus included therein and shall use its reasonable best efforts to
     reflect in each such document, when so filed with the Commission, such
     comments as any Initial Purchaser may reasonably propose; (ii) include the
     information set forth in Annex A hereto on the cover, in Annex B hereto in
     the "Exchange Offer Procedures" section and the "Purpose of the Exchange
     Offer" section and in Annex C hereto in the "Plan of Distribution" section
     of the prospectus forming a part of the Exchange Offer Registration
     Statement, and include the information set forth in Annex D hereto in the
     Letter of Transmittal delivered pursuant to the Registered Exchange Offer;
     and (iii) if requested by any Initial Purchaser, include the information
     required by Items 507 or 508 of Regulation S-K under the Securities Act, as
     applicable, in the prospectus forming a part of the Exchange Offer
     Registration Statement.

         (b) The Company shall advise each Initial Purchaser, each Exchanging
     Dealer and the Holders (if applicable) and, if requested by any such
     person, confirm such advice in writing (which advice pursuant to clauses
     (ii)-(v) hereof shall be accompanied by an instruction to suspend the use
     of the prospectus until the requisite changes have been made):

               (i) when any Registration Statement and any amendment thereto has
         been filed with the Commission and when such Registration Statement or
         any post-effective amendment thereto has become effective;

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                                                                               7

               (ii) of any request by the Commission for amendments or
         supplements to any Registration Statement or the prospectus included
         therein or for additional information;

               (iii) of the issuance by the Commission of any stop order
         suspending the effectiveness of any Registration Statement or the
         initiation of any proceedings for that purpose;

               (iv) of the receipt by the Company of any notification with
         respect to the suspension of the qualification of the Securities, the
         Exchange Securities or the Private Exchange Securities for sale in any
         jurisdiction or the initiation or threatening of any proceeding for
         such purpose; and

               (v) of the happening of any event that requires the making of any
         changes in any Registration Statement or the prospectus included
         therein in order that the statements therein are not misleading and do
         not omit to state a material fact required to be stated therein or
         necessary to make the statements therein not misleading.

         (c) The Company and the Subsidiary Guarantors will make every
     reasonable effort to obtain the withdrawal at the earliest possible time of
     any order suspending the effectiveness of any Registration Statement.

         (d) The Company will furnish to each Holder of Transfer Restricted
     Securities included within the coverage of any Shelf Registration
     Statement, without charge, at least one conformed copy of such Shelf
     Registration Statement and any post-effective amendment thereto, including
     financial statements and schedules and, if any such Holder so requests in
     writing, all exhibits thereto (including those, if any, incorporated by
     reference) (unless all such documents are freely available on the
     Commission's EDGAR system in full and complete form).

         (e) The Company will, during the Shelf Registration Period, promptly
     deliver to each Holder of Transfer Restricted Securities included within
     the coverage of any Shelf Registration Statement, without charge, as many
     copies of the prospectus (including each preliminary prospectus) included
     in such Shelf Registration Statement and any amendment or supplement
     thereto as such Holder may reasonably request; and the Company consents to
     the use of such prospectus or any amendment or supplement thereto by each
     of the selling Holders of Transfer Restricted Securities in connection with
     the offer and sale of the Transfer Restricted Securities covered by such
     prospectus or any amendment or supplement thereto.

         (f) The Company will furnish to each Initial Purchaser and each
     Exchanging Dealer, and to any other Holder who so requests, without charge,
     at least one conformed copy of the Exchange Offer Registration Statement
     and any post-effective amendment thereto, including financial statements
     and schedules and, if any Initial Purchaser or Exchanging Dealer or any
     such Holder so requests in writing, all exhibits thereto (including those,
     if any, incorporated by reference) (unless all such documents are freely
     available on the Commission's EDGAR system in full and complete form).

         (g) The Company will, during the Exchange Offer Registration Period or
     the Shelf Registration Period, as applicable, promptly deliver to each
     Initial Purchaser, each Exchanging Dealer and such other persons that are
     required to deliver a prospectus following the Registered Exchange Offer,
     without charge, as many copies of the final prospectus included in the
     Exchange Offer Registration Statement or the Shelf

<Page>

                                                                               8

     Registration Statement and any amendment or supplement thereto as such
     Initial Purchaser, Exchanging Dealer or other persons may reasonably
     request; and the Company and the Subsidiary Guarantors consent to the use
     of such prospectus or any amendment or supplement thereto by any such
     Initial Purchaser, Exchanging Dealer or other persons, as applicable, as
     aforesaid.

         (h) Prior to the effective date of any Registration Statement, the
     Company and the Subsidiary Guarantors will use their reasonable best
     efforts to register or qualify, or cooperate with the Holders of
     Securities, Exchange Securities or Private Exchange Securities included
     therein and their respective counsel in connection with the registration or
     qualification of, such Securities, Exchange Securities or Private Exchange
     Securities for offer and sale under the securities or blue sky laws of such
     jurisdictions as any such Holder reasonably requests in writing and do any
     and all other acts or things necessary or advisable to enable the offer and
     sale in such jurisdictions of the Securities, Exchange Securities or
     Private Exchange Securities covered by such Registration Statement;
     PROVIDED that the Company and the Subsidiary Guarantors will not be
     required to qualify generally to do business in any jurisdiction where they
     are not then so qualified or to take any action which would subject them to
     general service of process or to taxation in any such jurisdiction where
     they are not then so subject.

         (i) The Company and the Subsidiary Guarantors will cooperate with the
     Holders of Securities, Exchange Securities or Private Exchange Securities
     to facilitate the timely preparation and delivery of certificates
     representing Securities, Exchange Securities or Private Exchange Securities
     to be sold pursuant to any Registration Statement free of any restrictive
     legends and in such denominations and registered in such names as the
     Holders thereof may request in writing prior to sales of Securities,
     Exchange Securities or Private Exchange Securities (to the extent the above
     are not represented entirely in global form held by The Depository Trust
     Company) pursuant to such Registration Statement.

         (j) If any event contemplated by Section 4(b)(ii) through (v) occurs
     during the period for which the Company and the Subsidiary Guarantors are
     required to maintain an effective Registration Statement, the Company and
     the Subsidiary Guarantors will promptly prepare and file with the
     Commission a post-effective amendment to the Registration Statement or a
     supplement to the related prospectus or file any other required document so
     that, as thereafter delivered to purchasers of the Securities, Exchange
     Securities or Private Exchange Securities from a Holder, the prospectus
     will not include an untrue statement of a material fact or omit to state a
     material fact necessary in order to make the statements therein, in the
     light of the circumstances under which they were made, not misleading.

         (k) Not later than the effective date of the applicable Registration
     Statement, the Company will provide a CUSIP number for the Securities, the
     Exchange Securities and the Private Exchange Securities, as the case may
     be, and provide the applicable trustee with certificates for the
     Securities, the Exchange Securities or the Private Exchange Securities, as
     the case may be, in a form eligible for deposit with The Depository Trust
     Company.

         (l) The Company and the Subsidiary Guarantors will comply with all
     applicable rules and regulations of the Commission and the Company will
     make generally available to its security holders as soon as practicable
     after the effective date of the applicable Registration Statement an
     earning statement satisfying the provisions of Section 11(a) of the
     Securities Act; PROVIDED that in no event shall such earning statement be
     delivered later than 45 days after the end of a 12-month period (or 90
     days, if such period is a fiscal year) beginning with the first month of
     the Company's first fiscal quarter commencing

<Page>

                                                                               9

     after the effective date of the applicable Registration Statement, which
     statement shall cover such 12-month period.

         (m) The Company and the Subsidiary Guarantors will cause the Indenture
     or the Exchange Securities Indenture, as the case may be, to be qualified
     under the Trust Indenture Act as required by applicable law in a timely
     manner.

         (n) The Company may require each Holder of Transfer Restricted
     Securities to be registered pursuant to any Shelf Registration Statement to
     furnish to the Company such information concerning the Holder and the
     distribution of such Transfer Restricted Securities as the Company may from
     time to time reasonably require for inclusion in such Shelf Registration
     Statement, and the Company may exclude from such registration the Transfer
     Restricted Securities of any Holder that fails to furnish such information
     within a reasonable time after receiving such request.

         (o) In the case of a Shelf Registration Statement, each Holder of
     Transfer Restricted Securities to be registered pursuant thereto agrees by
     acquisition of such Transfer Restricted Securities that, upon receipt of
     any notice from the Company pursuant to Section 4(b)(ii) through (v), such
     Holder will discontinue disposition of such Transfer Restricted Securities
     until such Holder's receipt of copies of the supplemental or amended
     prospectus contemplated by Section 4(j) or until advised in writing (the
     "ADVICE") by the Company that the use of the applicable prospectus may be
     resumed.

         (p) In the case of a Shelf Registration Statement, the Company and the
     Subsidiary Guarantors shall enter into such customary agreements
     (including, if requested, an underwriting agreement in customary form) and
     take all such other action, if any, as Holders of a majority in aggregate
     principal amount of the Securities, Exchange Securities and Private
     Exchange Securities being sold or the managing underwriters (if any) shall
     reasonably request in order to facilitate any disposition of Securities,
     Exchange Securities or Private Exchange Securities pursuant to such Shelf
     Registration Statement.

         (q) In the case of a Shelf Registration Statement, the Company shall
     (i) make reasonably available for inspection by a representative of, and
     Special Counsel (as defined below) acting for, Holders of a majority in
     aggregate principal amount of the Securities, Exchange Securities and
     Private Exchange Securities being sold and any underwriter participating in
     any disposition of Securities, Exchange Securities or Private Exchange
     Securities pursuant to such Shelf Registration Statement, all relevant
     financial and other records, pertinent corporate documents and properties
     of the Company and its subsidiaries and (ii) use its reasonable best
     efforts to have its officers, directors, employees, accountants and counsel
     supply all relevant information reasonably requested by such
     representative, Special Counsel or any such underwriter (an "INSPECTOR") in
     connection with such Shelf Registration Statement. Each Holder of the
     Securities, the Exchange Securities and the Private Exchange Securities and
     any Inspector conducting an inspection under this Section 4(q) will be
     required to agree that the information obtained by it as a result of such
     inspections shall be deemed confidential and shall not be used by it as the
     basis of any market transactions in the securities of the Company unless
     and until such information is generally available to the public.

         (r) In the case of a Shelf Registration Statement, the Company shall,
     if requested by Holders of a majority in aggregate principal amount of the
     Securities, Exchange Securities and Private Exchange Securities being sold,
     their Special Counsel or the managing underwriters (if any) in connection
     with such Shelf Registration Statement, use its reasonable best efforts to
     cause (i) its counsel to deliver an opinion relating to the Shelf
     Registration Statement and the Securities, Exchange Securities or Private
     Exchange

<Page>

                                                                              10

     Securities, as applicable, in customary form, (ii) its officers to execute
     and deliver all customary documents and certificates requested by Holders
     of a majority in aggregate principal amount of the Securities, Exchange
     Securities and Private Exchange Securities being sold, their Special
     Counsel or the managing underwriters (if any) and (iii) its independent
     public accountants to provide a comfort letter or letters in customary
     form, subject to receipt of appropriate documentation as contemplated, and
     only if permitted, by Statement of Auditing Standards No. 72.

         5. REGISTRATION EXPENSES. The Company and the Subsidiary Guarantors
will jointly and severally bear all expenses incurred in connection with the
performance of its obligations under Sections 1, 2, 3 and 4 and the Company will
reimburse the Initial Purchasers and the Holders for the reasonable fees and
disbursements of one firm of attorneys chosen by the Holders of a majority in
aggregate principal amount of the Securities, the Exchange Securities and the
Private Exchange Securities to be sold pursuant to each Registration Statement
(the "SPECIAL COUNSEL") acting for the Initial Purchasers or Holders in
connection therewith, PROVIDED, that such Holders shall be responsible for any
and all related underwriting discounts and commissions.

         6. INDEMNIFICATION. (a) In the event of a Shelf Registration Statement
or in connection with any prospectus delivery pursuant to an Exchange Offer
Registration Statement by an Initial Purchaser or Exchanging Dealer, as
applicable, the Company and the Subsidiary Guarantors shall jointly and
severally indemnify and hold harmless each Holder (including, without
limitation, any such Initial Purchaser or any such Exchanging Dealer), its
affiliates, their respective officers, directors, employees, representatives and
agents, and each person, if any, who controls such Holder within the meaning of
the Securities Act or the Exchange Act (collectively referred to for purposes of
this Section 6 and Section 7 as a Holder) from and against any loss, claim,
damage or liability, joint or several, or any action in respect thereof
(including, without limitation, any loss, claim, damage, liability or action
relating to purchases and sales of Securities, Exchange Securities or Private
Exchange Securities), to which that Holder may become subject, whether commenced
or threatened, under the Securities Act, the Exchange Act, any other federal or
state statutory law or regulation, at common law or otherwise, insofar as such
loss, claim, damage, liability or action arises out of, or is based upon, (i)
any untrue statement or alleged untrue statement of a material fact contained in
any such Registration Statement or any prospectus forming part thereof or in any
amendment or supplement thereto or (ii) the omission or alleged omission to
state therein a material fact required to be stated therein or necessary in
order to make the statements therein, in the light of the circumstances under
which they were made, not misleading, and shall reimburse each Holder promptly
upon demand for any legal or other out-of-pocket expenses reasonably incurred by
that Holder in connection with investigating or defending or preparing to defend
against or appearing as a third party witness in connection with any such loss,
claim, damage, liability or action as such expenses are incurred; PROVIDED,
HOWEVER, that the Company and the Subsidiary Guarantors shall not be liable in
any such case to the extent that any such loss, claim, damage, liability or
action arises out of, or is based upon, an untrue statement or alleged untrue
statement in or omission or alleged omission from any of such documents in
reliance upon and in conformity with any Holders' Information; and PROVIDED,
FURTHER, that with respect to any such untrue statement in or omission from any
related preliminary prospectus, the indemnity agreement contained in this
Section 6(a) shall not inure to the benefit of any Holder from whom the person
asserting any such loss, claim, damage, liability or action received Securities,
Exchange Securities or Private Exchange Securities to the extent that such loss,
claim, damage, liability or action of or with respect to such Holder results
from the fact that both (A) a copy of the final prospectus was not sent or given
to such person at or prior to the written confirmation of the sale of such
Securities, Exchange Securities or Private Exchange Securities to such person
and (B) the untrue statement in or omission from the related preliminary
prospectus was corrected in the final prospectus unless, in either case, such
failure to deliver the final prospectus was a result of non-compliance by the
Company with Section 4(d), 4(e), 4(f) or 4(g).

<Page>

                                                                              11

         (b) In the event of a Shelf Registration Statement, each Holder, shall
indemnify and hold harmless the Company, its affiliates, their respective
officers, directors, employees, representatives and agents, and each person, if
any, who controls the Company within the meaning of the Securities Act or the
Exchange Act (collectively referred to for purposes of this Section 6(b) and
Section 7 as the Company), from and against any loss, claim, damage or
liability, joint or several, or any action in respect thereof, to which the
Company may become subject, whether commenced or threatened, under the
Securities Act, the Exchange Act, any other federal or state statutory law or
regulation, at common law or otherwise, insofar as such loss, claim, damage,
liability or action arises out of, or is based upon, (i) any untrue statement or
alleged untrue statement of a material fact contained in any such Registration
Statement or any prospectus forming part thereof or in any amendment or
supplement thereto or (ii) the omission or alleged omission to state therein a
material fact required to be stated therein or necessary in order to make the
statements therein, in the light of the circumstances under which they were
made, not misleading, but in each case only to the extent that the untrue
statement or alleged untrue statement or omission or alleged omission was made
in reliance upon and in conformity with any Holders' Information furnished to
the Company by such Holder, and shall reimburse the Company for any legal or
other out-of-pocket expenses reasonably incurred by the Company in connection
with investigating or defending or preparing to defend against or appearing as a
third party witness in connection with any such loss, claim, damage, liability
or action as such expenses are incurred; PROVIDED, HOWEVER, that no such Holder
shall be liable for any indemnity claims hereunder in excess of the amount of
net proceeds received by such Holder from the sale of Securities, Exchange
Securities or Private Exchange Securities pursuant to such Shelf Registration
Statement.

         (c) Promptly after receipt by an indemnified party under this Section 6
of notice of any claim or the commencement of any action, the indemnified party
shall, if a claim in respect thereof is to be made against the indemnifying
party pursuant to Section 6(a) or 6(b), notify the indemnifying party in writing
of the claim or the commencement of that action; PROVIDED, HOWEVER, that the
failure to notify the indemnifying party shall not relieve it from any liability
which it may have under this Section 6 except to the extent that it has been
materially prejudiced (through the forfeiture of substantive rights or defenses)
by such failure; and PROVIDED, FURTHER, that the failure to notify the
indemnifying party shall not relieve it from any liability which it may have to
an indemnified party otherwise than under this Section 6. If any such claim or
action shall be brought against an indemnified party, and it shall notify the
indemnifying party thereof, the indemnifying party shall be entitled to
participate therein and, to the extent that it wishes, jointly with any other
similarly notified indemnifying party, to assume the defense thereof with
counsel reasonably satisfactory to the indemnified party. After notice from the
indemnifying party to the indemnified party of its election to assume the
defense of such claim or action, the indemnifying party shall not be liable to
the indemnified party under this Section 6 for any legal or other expenses
subsequently incurred by the indemnified party in connection with the defense
thereof other than the reasonable costs of investigation; PROVIDED, HOWEVER,
that an indemnified party shall have the right to employ its own counsel in any
such action, but the fees, out-of-pocket expenses and other charges of such
counsel for the indemnified party will be at the expense of such indemnified
party unless (1) the employment of counsel by the indemnified party has been
authorized in writing by the indemnifying party, (2) the indemnified party has
reasonably concluded (based upon the opinion of counsel to the indemnified
party) that there may be legal defenses available to it or other indemnified
parties that are different from or in addition to those available to the
indemnifying party, (3) a conflict or potential conflict exists (based upon the
opinion of counsel to the indemnified party) between the indemnified party and
the indemnifying party (in which case the indemnifying party will not have the
right to direct the defense of such action on behalf of the indemnified party)
or (4) the indemnifying party has not in fact employed counsel reasonably
satisfactory to the indemnified party to assume the defense of such action
within a reasonable time after receiving notice of the commencement of the
action, in each of which cases the reasonable fees, disbursements and other
charges of counsel will be at the

<Page>

                                                                              12

expense of the indemnifying party or parties. It is understood that the
indemnifying party or parties shall not, in connection with any proceeding or
related proceedings in the same jurisdiction, be liable for the reasonable fees,
disbursements and other charges of more than one separate firm of attorneys (in
addition to any local counsel) at any one time for all such indemnified party or
parties. Each indemnified party, as a condition of the indemnity agreements
contained in Sections 6(a) and 6(b), shall use all reasonable efforts to
cooperate with the indemnifying party in the defense of any such action or
claim. No indemnifying party shall be liable for any settlement of any such
action effected without its written consent (which consent shall not be
unreasonably withheld), but if settled with its written consent or if there be a
final judgment for the plaintiff in any such action, the indemnifying party
agrees to indemnify and hold harmless any indemnified party from and against any
loss or liability by reason of such settlement or judgment. No indemnifying
party shall, without the prior written consent of the indemnified party (which
consent shall not be unreasonably withheld), effect any settlement of any
pending or threatened proceeding in respect of which any indemnified party is or
could have been a party and indemnity could have been sought hereunder by such
indemnified party, unless such settlement includes an unconditional release of
such indemnified party from all liability on claims that are the subject matter
of such proceeding.

         7. CONTRIBUTION. If the indemnification provided for in Section 6 is
unavailable or insufficient to hold harmless an indemnified party under Section
6(a) or 6(b), then each indemnifying party shall, in lieu of indemnifying such
indemnified party, contribute to the amount paid or payable by such indemnified
party as a result of such loss, claim, damage or liability, or action in respect
thereof, (i) in such proportion as shall be appropriate to reflect the relative
benefits received by the Company from the offering and sale of the Securities,
on the one hand, and by a Holder from receiving Securities, Exchange Securities
or Private Exchange Securities, as applicable, registered under the Securities
Act, on the other, or (ii) if the allocation provided by clause (i) above is not
permitted by applicable law, in such proportion as is appropriate to reflect not
only the relative benefits referred to in clause (i) above but also the relative
fault of the Company and the Subsidiary Guarantors, on the one hand, and such
Holder, on the other, with respect to the statements or omissions that resulted
in such loss, claim, damage or liability, or action in respect thereof, as well
as any other relevant equitable considerations. The relative benefits received
by the Company and the Subsidiary Guarantors, on the one hand, and a Holder, on
the other, with respect to such offering and such sale shall be deemed to be in
the same proportion as the total net proceeds from the offering of the
Securities (before deducting expenses) received by or on behalf of the Company
as set forth in the Offering Memorandum, on the one hand, bear to the total
proceeds received by such Holder with respect to its sale of Securities,
Exchange Securities or Private Exchange Securities, on the other. The relative
fault 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 the Company and the Subsidiary
Guarantors or information supplied by the Company and the Subsidiary Guarantors,
on the one hand, or to any Holders' Information supplied by such Holder, on the
other, the intent of the parties and their relative knowledge, access to
information and opportunity to correct or prevent such untrue statement or
omission. The parties hereto agree that it would not be just and equitable if
contributions pursuant to this Section 7 were to be determined by PRO RATA
allocation or by any other method of allocation that does not take into account
the equitable considerations referred to herein. The amount paid or payable by
an indemnified party as a result of the loss, claim, damage or liability, or
action in respect thereof, referred to above in this Section 7 shall be deemed
to include, for purposes of this Section 7, any legal or other out-of-pocket
expenses reasonably incurred by such indemnified party in connection with
investigating or defending or preparing to defend any such action or claim.
Notwithstanding the provisions of this Section 7, an indemnifying party that is
a Holder of Securities, Exchange Securities or Private Exchange Securities shall
not be required to contribute any amount in excess of the amount by which the
total price at which the Securities, Exchange Securities or Private

<Page>

                                                                              13

Exchange Securities sold by such indemnifying party to any purchaser exceeds the
amount of any damages which such indemnifying party has otherwise paid or become
liable to pay by reason of any untrue or alleged untrue statement or omission or
alleged omission. No person guilty of fraudulent misrepresentation (within the
meaning of Section 11(f) of the Securities Act) shall be entitled to
contribution from any person who was not guilty of such fraudulent
misrepresentation.

         8. RULES 144 AND 144A. The Company shall use its reasonable best
efforts to file the reports required to be filed by it under the Securities Act
and the Exchange Act in a timely manner and, if at any time the Company is not
required to file such reports, it will, upon the written request of any Holder
of Transfer Restricted Securities, make publicly available other information so
long as necessary to permit sales of such Holder's securities pursuant to Rules
144 and 144A. The Company and the Subsidiary Guarantors covenant that they will
take such further action as any Holder of Transfer Restricted Securities may
reasonably request, all to the extent required from time to time to enable such
Holder to sell Transfer Restricted Securities without registration under the
Securities Act within the limitation of the exemptions provided by Rules 144 and
144A (including, without limitation, the requirements of Rule 144A(d)(4)). Upon
the written request of any Holder of Transfer Restricted Securities, the Company
and the Subsidiary Guarantors shall deliver to such Holder a written statement
as to whether they have complied with such requirements. Notwithstanding the
foregoing, nothing in this Section 8 shall be deemed to require the Company to
register any of its securities pursuant to the Exchange Act.

         9. UNDERWRITTEN REGISTRATIONS. If any of the Transfer Restricted
Securities covered by any Shelf Registration Statement are to be sold in an
underwritten offering, the investment banker or investment bankers and manager
or managers that will administer the offering will be selected by the Holders of
a majority in aggregate principal amount of such Transfer Restricted Securities
included in such offering, subject to the consent of the Company (which shall
not be unreasonably withheld or delayed), and such Holders shall be responsible
for all underwriting commissions and discounts in connection therewith.

         No person may participate in any underwritten registration hereunder
unless such person (i) agrees to sell such person's Transfer Restricted
Securities on the basis reasonably provided in any underwriting arrangements
approved by the persons entitled hereunder to approve such arrangements and (ii)
completes and executes all questionnaires, powers of attorney, indemnities,
underwriting agreements and other documents reasonably required under the terms
of such underwriting arrangements.

         10. MISCELLANEOUS. (a) AMENDMENTS AND WAIVERS. The provisions of this
Agreement may not be amended, modified or supplemented, and waivers or consents
to departures from the provisions hereof may not be given, unless the Company
has obtained the written consent of Holders of a majority in aggregate principal
amount of the Securities, the Exchange Securities and the Private Exchange
Securities, taken as a single class. Notwithstanding the foregoing, a waiver or
consent to depart from the provisions hereof with respect to a matter that
relates exclusively to the rights of Holders whose Securities, Exchange
Securities or Private Exchange Securities are being sold pursuant to a
Registration Statement and that does not directly or indirectly affect the
rights of other Holders may be given by Holders of a majority in aggregate
principal amount of the Securities, the Exchange Securities and the Private
Exchange Securities being sold by such Holders pursuant to such Registration
Statement.

         (b) Notices. All notices and other communications provided for or
permitted hereunder shall be made in writing by hand-delivery, first-class mail,
telecopier or air courier guaranteeing next-day delivery:

         (1) if to a Holder, at the most current address given by such Holder to
     the Company in accordance with the provisions of this Section 10(b), which
     address initially

<Page>

                                                                              14

     is, with respect to each Holder, the address of such Holder maintained by
     the registrar under the Indenture, with a copy in like manner to JPMorgan,
     Credit Lyonnais Securities (USA) Inc, TD Securities (USA) Inc., BNY Capital
     Markets, Inc., First Union Securities, Inc., and U.S. Bancorp Libra;

         (2) if to an Initial Purchaser, initially at its address set forth in
     the Purchase Agreement; and

         (3) if to the Company, initially at the address of the Company set
     forth in the Purchase Agreement.

         All such notices and communications shall be deemed to have been duly
given: when delivered by hand, if personally delivered; one business day after
being delivered to a next- day air courier; five business days after being
deposited in the mail; and when receipt is acknowledged by the recipient's
telecopier machine, if sent by telecopier.

         (c) SUCCESSORS AND ASSIGNS. This Agreement shall be binding upon the
Company and its successors and assigns.

         (d) COUNTERPARTS. This Agreement may be executed in any number of
counterparts (which may be delivered in original form or by telecopier) and by
the parties hereto in separate counterparts, each of which when so executed
shall be deemed to be an original and all of which taken together shall
constitute one and the same agreement.

         (e) DEFINITION OF TERMS. For purposes of this Agreement, (a) the term
"business day" means any day on which the New York Stock Exchange, Inc. is open
for trading, (b) the term "subsidiary" has the meaning set forth in Rule 405
under the Securities Act and (c) except where otherwise expressly provided, the
term "affiliate" has the meaning set forth in Rule 405 under the Securities Act.

         (f) HEADINGS. The headings in this Agreement are for convenience of
reference only and shall not limit or otherwise affect the meaning hereof.

         (g) GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK (WITHOUT GIVING EFFECT TO ANY
PROVISIONS THEREOF RELATING TO CONFLICTS OF LAW, OTHER THAN SECTION 5-1401 OF
THE GENERAL OBLIGATIONS LAW OF NEW YORK)

         (h) REMEDIES. In the event of a breach by the Company, any Subsidiary
Guarantor or by any Holder of any of their obligations under this Agreement,
each Holder, the Company or any Subsidiary Guarantor, as the case may be, in
addition to being entitled to exercise all rights granted by law, including
recovery of damages (other than the recovery of damages for a breach by the
Company or any Subsidiary Guarantor of its obligations under Sections 1 or 2
hereof for which liquidated damages have been paid pursuant to Section 3
hereof), will be entitled to specific performance of its rights under this
Agreement. The Company, the Subsidiary Guarantors and each Holder agree that
monetary damages would not be adequate compensation for any loss incurred by
reason of a breach by each such person of any of the provisions of this
Agreement and hereby further agree that, in the event of any action for specific
performance in respect of such breach, each such person shall waive the defense
that a remedy at law would be adequate.

         (i) NO INCONSISTENT AGREEMENTS. The Company and each Subsidiary
Guarantor represents, warrants and agrees that (i) it has not entered into,
shall not, on or after the date of

<Page>

                                                                              15

this Agreement, enter into any agreement that is inconsistent with the rights
granted to the Holders in this Agreement or otherwise conflicts with the
provisions hereof, (ii) it has not previously entered into any agreement which
remains in effect granting any registration rights with respect to any of its
debt securities to any person and (iii) (with respect to the Company) without
limiting the generality of the foregoing, without the written consent of the
Holders of a majority in aggregate principal amount of the then outstanding
Transfer Restricted Securities, it shall not grant to any person the right to
request the Company to register any debt securities of the Company under the
Securities Act unless the rights so granted are not in conflict or inconsistent
with the provisions of this Agreement.

         (j) NO PIGGYBACK ON REGISTRATIONS. Neither the Company nor any of its
security holders (other than the Holders of Transfer Restricted Securities in
such capacity) shall have the right to include any securities of the Company in
any Shelf Registration or Registered Exchange Offer other than Transfer
Restricted Securities.

         (k) SEVERABILITY. The remedies provided herein are cumulative and not
exclusive of any remedies provided by law. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction to be
invalid, illegal, void or unenforceable, the remainder of the terms, provisions,
covenants and restrictions set forth herein shall remain in full force and
effect and shall in no way be affected, impaired or invalidated, and the parties
hereto shall use their reasonable best efforts to find and employ an alternative
means to achieve the same or substantially the same result as that contemplated
by such term, provision, covenant or restriction. It is hereby stipulated and
declared to be the intention of the parties that they would have executed the
remaining terms, provisions, covenants and restrictions without including any of
such that may be hereafter declared invalid, illegal, void or unenforceable.

         Please confirm that the foregoing correctly sets forth the agreement
among the Company, the Subsidiary Guarantors and the Initial Purchasers.

                                      Very truly yours,

                                      ALLIANT TECHSYSTEMS INC.

                                      By:  /s/ Scott S. Meyers
                                           -----------------------------------
                                           Name:  Scott S. Meyers
                                           Title:  President

<Page>

                                                                              16

                                      ALLIANT AMMUNITION SYSTEMS
                                           COMPANY LLC
                                      NEW RIVER ENERGETICS, INC.
                                      ALLIANT HOLDINGS LLC
                                      ALLIANT PROPULSION AND COMPOSITES
                                           LLC
                                      ALLIANT SOUTHERN COMPOSITES
                                           COMPANY LLC
                                      ALLIANT DEFENSE LLC
                                      ALLIANT AMMUNITION AND POWDER
                                           COMPANY LLC
                                      ALLIANT PRECISION FUZE COMPANY
                                           LLC
                                      ALLIANT INTEGRATED DEFENSE
                                           COMPANY LLC
                                      ALLIANT INTERNATIONAL HOLDINGS
                                           INC.
                                      ALLIANT MISSILE PRODUCTS COMPANY
                                           LLC
                                      ALLIANT AEROSPACE COMPANY
                                      ALLIANT AEROSPACE PROPULSION
                                           COMPANY LLC
                                      ALLIANT AEROSPACE COMPOSITE
                                           STRUCTURES COMPANY LLC
                                      ALLIANT LAKE CITY SMALL CALIBER
                                           AMMUNITION COMPANY LLC
                                      THIOKOL PROPULSION CORP.
                                      THIOKOL TECHNOLOGIES
                                           INTERNATIONAL, INC.

                                      By:  /s/ Scott S. Meyers
                                           --------------------------------
                                           Authorized Signatory
                                           Name: Scott S. Meyers
                                           Title: President

<Page>

                                                                              17

Accepted:

J.P. MORGAN SECURITIES INC.,

By:  /s/ Benjamin Ben-attar
     ----------------------------------
     Authorized Signatory
     Name:  Benjamin Ben-Attar
     Title:  Vice President

1 Chase Plaza, 25th Floor
   New York, New York 10081
      Attention:  Legal Department

CREDIT LYONNAIS SECURITIES (USA) INC.
TD SECURITIES (USA) INC.
BNY CAPITAL MARKETS, INC.
FIRST UNION SECURITIES, INC.
U.S. BANCORP LIBRA, A DIVISION OF U.S. BANCORP INVESTMENTS INC.

     By J.P. MORGAN SECURITIES INC.,

         by:  /s/ Benjamin Ben-attar
              ----------------------------
              Authorized Signatory
              Name: Benjamin Ben-Attar
              Title: Vice President

<Page>

                                                                         ANNEX A

         Each broker-dealer that receives Exchange Securities for its own
account pursuant to the Registered Exchange Offer must acknowledge that it will
deliver a prospectus in connection with any resale of such Exchange Securities.
The Letter of Transmittal states that by so acknowledging and by delivering a
prospectus, a broker-dealer will not be deemed to admit that it is an
"underwriter" within the meaning of the Securities Act. This Prospectus, as it
may be amended or supplemented from time to time, may be used by a broker-dealer
in connection with resales of Exchange Securities received in exchange for
Securities where such Securities were acquired by such broker-dealer as a result
of market-making activities or other trading activities. The Company has agreed
that, for a period of 180 days after the Expiration Date (as defined herein), it
will make this Prospectus available to any broker-dealer for use in connection
with any such resale. See "Plan of Distribution".

<Page>

                                                                         ANNEX B

         Each broker-dealer that receives Exchange Securities for its own
account in exchange for Securities, where such Securities were acquired by such
broker-dealer as a result of market- making activities or other trading
activities, must acknowledge that it will deliver a prospectus in connection
with any resale of such Exchange Securities. See "Plan of Distribution".

<Page>

                                                                         ANNEX C

                              PLAN OF DISTRIBUTION

         Each broker-dealer that receives Exchange Securities for its own
account pursuant to the Registered Exchange Offer must acknowledge that it will
deliver a prospectus in connection with any resale of such Exchange Securities.
This Prospectus, as it may be amended or supplemented from time to time, may be
used by a broker-dealer in connection with resales of Exchange Securities
received in exchange for Securities where such Securities were acquired as a
result of market-making activities or other trading activities. The Company has
agreed that, for a period of 180 days after the Expiration Date, it will make
this prospectus, as amended or supplemented, available to any broker-dealer for
use in connection with any such resale. In addition, until [__________] 200[_],
all dealers effecting transactions in the Exchange Securities may be required to
deliver a prospectus.

         The Company will not receive any proceeds from any sale of Exchange
Securities by broker-dealers. Exchange Securities received by broker-dealers for
their own account pursuant to the Registered Exchange Offer may be sold from
time to time in one or more transactions in the over-the-counter market, in
negotiated transactions, through the writing of options on the Exchange
Securities or a combination of such methods of resale, at market prices
prevailing at the time of resale, at prices related to such prevailing market
prices or at negotiated prices. Any such resale may be made directly to
purchasers or to or through brokers or dealers who may receive compensation in
the form of commissions or concessions from any such broker-dealer or the
purchasers of any such Exchange Securities. Any broker-dealer that resells
Exchange Securities that were received by it for its own account pursuant to the
Registered Exchange Offer and any broker or dealer that participates in a
distribution of such Exchange Securities may be deemed to be an "underwriter"
within the meaning of the Securities Act and any profit on any such resale of
Exchange Securities and any commission or concessions received by any such
persons may be deemed to be underwriting compensation under the Securities Act.
The Letter of Transmittal states that, by acknowledging that it will deliver and
by delivering a prospectus, a broker-dealer will not be deemed to admit that it
is an "underwriter" within the meaning of the Securities Act.

         For a period of 180 days after the Expiration Date the Company will
promptly send additional copies of this Prospectus and any amendment or
supplement to this Prospectus to any broker-dealer that requests such documents
in the Letter of Transmittal. The Company has agreed to pay all expenses
incident to the Registered Exchange Offer (including the expenses of one counsel
for the Holders of the Securities) other than commissions or concessions of any
broker-dealers and will indemnify the Holders of the Securities (including any
broker-dealers) against certain liabilities, including liabilities under the
Securities Act.

<Page>

                                                                         ANNEX D

         |_| CHECK HERE IF YOU ARE A BROKER-DEALER AND WISH TO RECEIVE 10
         ADDITIONAL COPIES OF THE PROSPECTUS AND 10 COPIES OF ANY AMENDMENTS OR
         SUPPLEMENTS THERETO.

         Name:
         Address:

If the undersigned is not a broker-dealer, the undersigned represents that it is
not engaged in, and does not intend to engage in, a distribution of Exchange
Securities. If the undersigned is a broker-dealer that will receive Exchange
Securities for its own account in exchange for Securities that were acquired as
a result of market-making activities or other trading activities, it
acknowledges that it will deliver a prospectus in connection with any resale of
such Exchange Securities; however, by so acknowledging and by delivering a
prospectus, the undersigned will not be deemed to admit that it is an
"underwriter" within the meaning of the Securities Act.

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