Defined Contribution Supplemental Executive Retirement Plan

ALLIANT TECHSYSTEMS INC.

Defined Contribution Supplemental Executive Retirement Plan

Master Plan Document

First Effective January 1, 2007





TABLE OF CONTENTS


ARTICLE 1 Definitions

ARTICLE 2 Eligibility

2.1 Eligibility
2.2 Termination of a Participant92s Eligibility

ARTICLE 3 Company Contribution Amounts;Vesting; Crediting; Taxes

3.1 Company Contribution Amount
3.2 Crediting of Amounts after Benefit Distribution
3.3 Vesting
3.4 Crediting and Debiting of Account Balances
3.5 FICA and Other Taxes

ARTICLE 4 Distribution of Benefits

4.1 Benefit Distribution Date
4.2 Actual Payment Date
4.3 Payment in Cash

ARTICLE 5 Beneficiary Designation

5.1 Beneficiary
5.2 Beneficiary Designation; Change; Spousal Consent
5.3 Receipt
5.4 No Beneficiary Designation
5.5 Doubt as to Beneficiary
5.6 Discharge of Obligations

ARTICLE 6 Leave of Absence

6.1 Paid Leave of Absence
6.1 Unpaid Leave of Absence

ARTICLE 7 Termination of Plan, Amendment or Modification

7.1 Termination of Plan
7.2 Amendment
7.3 Effect of Payment

ARTICLE 8 Administration




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8.1 Committee Duties
8.2 Agents
8.3 Binding Effect of Decisions
8.4 Indemnity
8.5 Employer Information

ARTICLE 9 Other Benefits and Agreements

9.1 Coordination with Other Benefits

ARTICLE 10 Trust

10.1 Establishment of the Trust
10.2 Interrelationship of the Plan and the Trust
10.3 Distributions From the Trust

ARTICLE 11 Claims Procedures

11.1 Presentation of Claim
11.2 Notification of Decision
11.3 Review of a Denied Claim
11.4 Decision on Review
11.5 Legal Action
11.6 Determinations

ARTICLE 12 Miscellaneous

12.1 Status of Plan
12.2 Unsecured General Creditor
12.3 Employer92s Liability
12.4 Nonassignability
12.5 Not a Contract of Employment
12.6 Furnishing Information
12.7 Terms
12.8 Captions
12.9 Governing Law
12.10 Notice
12.11 Successors
12.12 Spouse92s Interest
12.13 Validity
12.14 Incompetent
12.15 Deduction Limitation on Benefit Payments




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12.16 Insurance




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ALLIANT TECHSYSTEMS INC.

DEFINED CONTRIBUTION SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

First Effective January 1, 2007

Statement of Plan

ALLIANT TECHSYSTEMS INC., a Delaware corporation (hereinafter, the "Company"), hereby creates a nonqualified, unfunded, deferred compensation plan for the benefit of a select group of management and highly compensated employees whose non-elective contributions for a Plan Year under the 401(k) Plan are limited by section 401(a)(17) of the Code or as a result of the Participant92s deferrals under the Nonqualified Deferred Compensation Plan.

The purpose of this Plan is to provide specified benefits to a select group of management or highly compensated Employees who contribute materially to the continued growth, development and future business success of the Company and its subsidiaries. This Plan is nonqualified and unfunded for tax purposes and for purposes of Title I of ERISA.

ARTICLE 1

Definitions



For the purposes of this Plan, unless otherwise clearly apparent from the context, the following phrases or terms shall have the following indicated meanings:

1.1 "Account Balance" shall mean, with respect to a Participant, an entry on the records of the Employer equal to the sum of the Participant92s Annual Accounts. The Account Balance shall be a bookkeeping entry only and shall be utilized solely as a device for the measurement and determination of the amounts to be paid to a Participant, or his or her designated Beneficiary, pursuant to this Plan.

1.2 "Administrator" shall mean the Company, the Committee, and any person or committee of persons responsible for performing administrative functions under this Plan.

1.3 "Annual Account" shall mean, with respect to a Participant, an entry on the records of the Employer equal to the following amount: (i) the sum of the Participant92s Company Contribution Amount for any one Plan Year, plus (ii) amounts credited or debited to such amounts pursuant to this Plan, less (iii) all distributions made to the Participant or his or her Beneficiary pursuant to this Plan that relate to the Annual Account for such Plan Year. The Annual Account shall be a bookkeeping entry only and shall be utilized solely as a device for the measurement and determination of the amounts to be paid to a Participant, or his or her designated Beneficiary, pursuant to this Plan.

1.4 "Beneficiary" shall mean one or more persons, trusts, estates or other entities, designated in accordance with Article 5, that are entitled to receive benefits under this Plan upon the death of a Participant.

1.5 "Beneficiary Designation Form" shall mean the form established from time to time by the Senior Vice President of Human Resources that a Participant completes, signs and returns to the Company to designate one or more Beneficiaries.

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1.6 "Benefit Distribution Date" shall mean the date that triggers distribution of a Participant92s vested Account Balance. A Participant92s Benefit Distribution Date shall be the earliest to occur of any one of the following:

(a) If the Participant experiences a Termination of Employment, his or her Benefit Distribution Date shall be the later of (i) the first day of the seventh month following the month in which the Participant experiences a Termination of Employment or (ii) the January 31 of the calendar year following the calendar year in which the Participant experiences a Termination of Employment; or

(b) As soon as administratively practicable after the Company is provided with proof that is satisfactory to the Senior Vice President of Human Resources of the Participant92s death, if the Participant dies prior to the complete distribution of his or her vested Account Balance.

1.7 "Board" shall mean the board of directors of the Company.

1.8 "Claimant" shall have the meaning set forth in Section 11.1.

1.9 "Code" shall mean the Internal Revenue Code of 1986, as amended from time to time.

1.10 "Committee" shall mean the Personnel and Compensation Committee (also known as the "P&C") of the Board of Directors of the Company or any successor committee of the Board.

1.11 "Company" shall mean ALLIANT TECHSYSTEMS INC., a Delaware corporation, and any successor to all or substantially all of the Company92s assets or business.

1.12 "Company Contribution Account" shall mean (i) the sum of the Participant92s Company Contribution Amounts, plus (ii) amounts credited or debited to the Participant92s Company Contribution Account in accordance with this Plan, less (iii) all distributions made to the Participant or his or her Beneficiary pursuant to this Plan that relate to the Participant92s Company Contribution Account.

1.13 "Company Contribution Amount" shall mean, for any one Plan Year, the amount determined in accordance with Section 3.1.

1.14 "Deduction Limitation" shall mean the limitation on a benefit that may otherwise be distributable pursuant to the provisions of this Plan, as set forth in Section 12.15.

1.15 "Employee" shall mean a person who is an employee of any Employer.

1.16 "Employer(s)" shall mean the Company and/or any of its subsidiaries (now in existence or hereafter formed or acquired) that have employees who participate in the Plan.

1.17 "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as amended from time to time.

1.18 "401(k) NEC" shall mean any non-elective contribution made on behalf of eligible participants under the 401(k) Plan that is based on age and service points, as amended from time to time.

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1.19 "401(k) NEC Percentage" shall mean the percentage of Recognized Compensation used for purposes of determining an eligible participant92s 401(k) NEC (as may be amended under the 401(k) Plan from time to time) and which is currently one of the following:

Points Percentage
Less than 40 2.5%
40 to 59 3.0%
60 or more 4.0%




1.20 "401(k) Plan" shall mean the ALLIANT TECHSYSTEMS INC. 401(k) Plan, as amended from time to time.

1.21 "Investment Election Form" shall mean the form, which may be in electronic format, established from time to time by the PRC that a Participant completes, signs and returns to the Company to make an election under the Plan.

1.22 "Nonqualified Deferred Compensation Plan" shall mean the ALLIANT TECHSYSTEMS INC. Nonqualified Deferred Compensation Plan, as amended from time to time.

1.23 "Participant" shall mean any Employee who is selected to participate in the Plan.

1.24 "Plan" shall mean the ALLIANT TECHSYSTEMS INC. Defined Contribution Supplemental Executive Retirement Plan, which shall be evidenced by this instrument, as it may be amended from time to time.

1.25 "Plan Year" shall mean a period beginning on January 1 of each calendar year and continuing through December 31 of such calendar year.

1.26 "PRC" shall mean the ATK Pension and Retirement Committee.

1.27 "Recognized Compensation" shall mean, for the period in which such amounts are paid, Recognized Compensation as defined under the 401(k) Plan (as amended from time to time); provided, however, that in determining a Participant92s Recognized Compensation for purposes of this Plan there shall be included: (i) deferrals under the Nonqualified Deferred Compensation Plan to the extent that such compensation would have been recognized as Recognized Compensation under the 401(k) Plan in the Plan Year that it would have been paid had there been no deferral, and (ii) compensation that would have been recognized as Recognized Compensation under the 401(k) Plan for the Plan Year in which paid without regard to the dollar limitation in effect under section 401(a)(17) of the Code.

1.28 "Section 16 Officer" shall mean an "officer" of the Company as defined in the rules promulgated under Section 16 of the Securities Exchange Act of 1934, as amended.

1.29 "Senior Vice President of Human Resources" shall mean the most senior officer of the Company in charge of the human resources function at the time the action is taken with respect to the Plan.

1.30 "Terminate the Plan" or "Termination of the Plan" shall mean a determination by the Committee that (i) all Participants shall no longer be eligible to participate in the Plan, (ii) all deferral elections for such Participants shall terminate, and (iii) such Participants shall no longer be eligible to receive Company contributions under this Plan.

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1.31 "Termination of Employment" shall mean the separation from service with all Employers, voluntarily or involuntarily, for any reason other than death or an authorized leave of absence.

1.32 "Trust" shall mean one or more trusts established by the Company in accordance with Article 10.

1.33 "Vesting Service" shall mean an Employee92s period of "Vesting Service" as determined under the 401(k) Plan.

ARTICLE 2

Eligibility



2.1 Eligibility . An employee of the Employer shall be eligible to receive a credit in accordance with Section 3 for a Plan Year if: (i) such employee is a participant in the 401(k) Plan and such employee92s 401(k) NEC for the Plan Year is reduced by section 401(a)(17) of the Code; or (ii) such employee is a participant in the 401(k) Plan and the Nonqualified Deferred Compensation Plan and such employee92s 401(k) NEC for the Plan Year is reduced due to the employee92 s deferrals under the Nonqualified Deferred Compensation Plan.

2.2 Termination of a Participant92s Eligibility . In the event that a Participant is no longer eligible to receive credits under this Plan, the Participant92s Account Balance shall continue to be governed by the terms of this Plan until such time as the Participant92s Account Balance is paid in accordance with the terms of this Plan.

ARTICLE 3

Company Contribution Amounts;

Vesting; Crediting; Taxes



3.1 Company Contribution Amount . If a Participant is eligible for a 401(k) NEC for any Plan Year, a Participant92s Company Contribution Amount for that Plan Year shall be equal to:

(a) a credit equal to the product of the Participant92s 401(k) NEC Percentage times the Participant92s Recognized Compensation for the Plan Year, if any, in excess of the annual compensation limit in effect for such Plan Year under section 401(a)(17) of the Code; and

(b) a credit equal to the product of the Participant92s 401(k) NEC Percentage times the Recognized Compensation, if any, the Participant deferred under the Nonqualified Deferred Compensation Plan to the extent that such compensation would have been recognized as "Recognized Compensation" under the 401(k) Plan in the Plan Year that it would have been paid had there been no deferral under the Non-Qualified Deferred Compensation Plan.

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3.2 Crediting of Amounts after Benefit Distribution . Notwithstanding any provision in this Plan to the contrary, if the complete distribution of a Participant92s vested Account Balance occurs prior to the date on which any portion of the Company Contribution Amount would otherwise be credited to the Participant92s Account Balance, such amounts shall not be credited to the Participant92s Account Balance, but shall be paid to the Participant in a single lump sum as soon as administratively practicable after the amount can be determined.

3.3 Vesting . A Participant shall become vested in his or her Account Balance in accordance with the following schedule:

Vesting Service Completed Vested Percentage
Less than 3 0%
3 or more 100%




Notwithstanding the foregoing, all benefits under this Plan shall be permanently forfeited upon the determination by the PRC (or by the Committee for Section 16 Officers) that the Participant, either before or after Termination of Employment:

(a) engaged in a criminal or fraudulent conduct resulting in material harm to the Company or an affiliate of the Company; or

(b) made an unauthorized disclosure to any competitor of any material confidential information, trade information or trade secrets of the Company or an affiliate of the Company; or

(c) provided Company or an affiliate of Company with materially false reports concerning his or her business interests or employment; or

(d) made mat ...