SUMMARY ANNUAL REPORTS

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SUMMARY ANNUAL REPORTS

2006SUMMARY ANNUAL REPORTSFor the Plan Year Ending December 31, 2006


December 10, 2007Dear Participant:In this booklet you will find Summary Annual Reports for various active and retiree benefitplans sponsored by Northrop Grumman Corporation or its affiliated companies. SummaryAnnual Reports provide the financial status of a company’s retirement, savings, and health andwelfare plans. This information includes assets, administrative expenses, gains or losses, andchanges that have occurred in the plans for the previous year. Every year, Northrop Grummandistributes Summary Annual Reports as required by the Employee Retirement Income SecurityAct of 1974 (ERISA).Not all Summary Annual Reports will apply to your specific benefits program. To find theinformation that pertains to you, review the table of contents and locate the reports by planname. Also, in accordance with Section 105 of ERISA, as amended, you have the right torequest and receive, free of charge, a paper copy of your pension benefit statement by callingthe Northrop Grumman Benefits Center (NGBC). If you are not sure of the names of the plans inwhich you participate, please call the NGBC at 1-800-894-4194. If you are calling from outsidethe United States, please call 718-354-1338. Benefits service representatives are available toassist you Monday through Friday from 9:00 a.m. to 6:00 p.m. Eastern time, excluding holidays.If you are hearing impaired, you will need to use a relay service through your TTY/TDDservice provider.Sincerely,Nancy F. Schmidt, APMCorporate DirectorBenefits Administration


TABLE OF CONTENTS2006 Northrop Grumman Summary Annual ReportsPension PlansAvondale Industries, Inc. Pension Plan..................................................................................................................... 1Grumman Allied Industries, Inc. and Subsidiaries Retirement Plan.......................................................................... 2Hourly-Rated Pension Plan of Northrop Grumman Corporation ESD ⎯ Norwood Site ........................................... 3Ingalls Shipbuilding, Inc. Hourly Employees’ Retirement Plan.................................................................................. 4Newport News Shipbuilding Inc. Retirement Plan..................................................................................................... 5Northrop Grumman Electronic Systems Union-Represented Employees Pension Plan .......................................... 6Northrop Grumman Electronic Systems ⎯ Space Division Consolidated Pension Plan.......................................... 7Northrop Grumman Naval Systems Division ⎯ Cleveland Facility Hourly-Wage EmployeesRetirement Plan .................................................................................................................................................. 8Northrop Grumman Naval Systems Division ⎯ Cleveland Facility Salaried Employees Retirement Plan............... 9Northrop Grumman Norden Systems Employee Retirement Plan.......................................................................... 10Northrop Grumman Norden Systems Represented Employee Retirement Plan .................................................... 11Northrop Grumman Pension Plan ........................................................................................................................... 12Northrop Grumman Represented Employees Pension Plan................................................................................... 13Northrop Grumman Retirement Plan B ................................................................................................................... 14Northrop Grumman Space & Mission Systems Corporation Salaried Pension Plan .............................................. 15Wilcox Hourly Retirement Plan................................................................................................................................ 16Savings PlansAvondale Industries, Inc. 401(k) Savings Plan........................................................................................................ 17Avondale Industries, Inc. Savings Plan ................................................................................................................... 18Comptek Research Retirement Savings Plan ......................................................................................................... 19Fibersense Technology Corporation 401(k) Plan.................................................................................................... 20Illgen Simulation Technologies, Inc. 401(k) Savings Plan....................................................................................... 21Integic Corporation 401(k) Plan............................................................................................................................... 22Litton Marine Systems Inc. 401(k) Savings Plan..................................................................................................... 23Logicon FDC, Inc. Retirement Savings Plan ........................................................................................................... 24Northrop Grumman Financial Security and Savings Program ................................................................................ 25Northrop Grumman Mobile Access Software, Inc. 401(k) Plan............................................................................... 26Northrop Grumman Savings Plan............................................................................................................................ 27PRC Inc. Retirement Program ⎯ For Your Future.................................................................................................. 28Redstone Arsenal Retirement Savings Plan ........................................................................................................... 29Vinnell Corporation Retirement Plan ....................................................................................................................... 30Vinnell Corporation Savings Plan for Represented Employees .............................................................................. 31Xontech, Inc. Salary Savings and Profit Sharing Plan ............................................................................................ 32Health and Welfare PlansGroup Benefit Plan for Employees of Interconnect Technologies........................................................................... 33Northrop Grumman Corporation Group Benefits Plan ............................................................................................ 34Northrop Grumman Electronic Systems ⎯ Space Division Consolidated Health Plan .......................................... 35Northrop Grumman Voluntary Benefits Plan ........................................................................................................... 36VBR Group Life & Medical Plan .............................................................................................................................. 37Vinnell Corporation Long Term Disability Income Plan........................................................................................... 38Vinnell Medical, Dental, and Vision Plan................................................................................................................. 39Special NoticesNotice to Participants of Grumman Allied Industries, Inc. and Subsidiaries Retirement Plan ................................ 40


SUMMARY ANNUAL REPORTFOR AVONDALE INDUSTRIES, INC. PENSION PLANThis is a summary of the annual report for the Avondale Industries, Inc. Pension Plan, EIN 94-3041767, PlanNo. 003, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $8,031,496. These expensesincluded $1,527,864 in administrative expenses and $6,503,632 in benefits paid to participants and beneficiaries.A total of 7,811 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $104,614,393 as of December 31, 2006,compared to $96,625,436 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $7,988,957. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $16,020,453including employer contributions of $2,238,454 and earnings from investments of $12,923,251.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 1 -


SUMMARY ANNUAL REPORTFOR GRUMMAN ALLIED INDUSTRIES, INC. AND SUBSIDIARIES RETIREMENT PLANThis is a summary of the annual report for the Grumman Allied Industries, Inc. and Subsidiaries Retirement Plan,EIN 95-4840775, Plan No. 029, for period January 1, 2006 through December 31, 2006. The annual report hasbeen filed with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $3,046,449. These expensesincluded $587,399 in administrative expenses and $2,459,050 in benefits paid to participants and beneficiaries.A total of 2,549 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $49,927,693 as of December 31, 2006,compared to $44,576,002 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $5,351,691. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $8,398,140including employer contributions of $2,492,315 and earnings from investments of $5,905,825.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 2 -


SUMMARY ANNUAL REPORTFOR HOURLY-RATED PENSION PLAN OF NORTHROPGRUMMAN CORPORATION ESD ⎯ NORWOOD SITEThis is a summary of the annual report for the Hourly-Rated Pension Plan of Northrop Grumman Corporation ESD⎯ Norwood Site, EIN 95-4840775, Plan No. 005, for period January 1, 2006 through December 31, 2006. Theannual report has been filed with the Employee Benefits Security Administration, U.S. Department of Labor, asrequired under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $1,756,781. These expensesincluded $372,447 in administrative expenses and $1,384,334 in benefits paid to participants and beneficiaries.A total of 1,536 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $34,061,493 as of December 31, 2006,compared to $32,064,357 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $1,997,136. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $3,753,917including earnings from investments of $3,753,917.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 3 -


SUMMARY ANNUAL REPORTFOR INGALLS SHIPBUILDING, INC. HOURLY EMPLOYEES' RETIREMENT PLANThis is a summary of the annual report for the Ingalls Shipbuilding, Inc. Hourly Employees' Retirement Plan,EIN 94-3041767, Plan No. 005, for period January 1, 2006 through December 31, 2006. The annual report hasbeen filed with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $18,725,736. These expensesincluded $1,759,353 in administrative expenses and $16,966,383 in benefits paid to participants andbeneficiaries. A total of 11,738 persons were participants in or beneficiaries of the plan at the end of the plan year,although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $381,981,623 as of December 31, 2006,compared to $351,580,792 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $30,400,831. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$49,126,567 including employee contributions of $17,092 and earnings from investments of $46,901,246.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 4 -


SUMMARY ANNUAL REPORTFOR NEWPORT NEWS SHIPBUILDING INC. RETIREMENT PLANThis is a summary of the annual report for the Newport News Shipbuilding Inc. Retirement Plan, EIN 95-4840775,Plan No. 100, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $11,253,860. These expensesincluded $2,520,591 in administrative expenses and $8,733,269 in benefits paid to participants and beneficiaries.A total of 14,201 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $651,384,798 as of December 31, 2006,compared to $538,044,057 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $113,340,741. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$124,594,601 including employer contributions of $51,036,358 and earnings from investments of $73,558,243.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 5 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN ELECTRONIC SYSTEMSUNION-REPRESENTED EMPLOYEES PENSION PLANThis is a summary of the annual report for the Northrop Grumman Electronic Systems Union-RepresentedEmployees Pension Plan, EIN 95-4840775, Plan No. 045, for period January 1, 2006 through December 31,2006. The annual report has been filed with the Employee Benefits Security Administration, U.S. Department ofLabor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $16,590,729. These expensesincluded $1,292,105 in administrative expenses and $15,298,624 in benefits paid to participants andbeneficiaries. A total of 2,798 persons were participants in or beneficiaries of the plan at the end of the plan year,although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $346,279,967 as of December 31, 2006,compared to $311,392,859 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $34,887,108. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$51,477,837 including employer contributions of $7,440,365, employee contributions of $1,702,227, and earningsfrom investments of $42,335,245.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 6 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN ELECTRONIC SYSTEMS ⎯SPACE DIVISION CONSOLIDATED PENSION PLANThis is a summary of the annual report for the Northrop Grumman Electronic Systems ⎯ Space DivisionConsolidated Pension Plan, EIN 95-4840775, Plan No. 040, for period January 1, 2006 through December 31,2006. The annual report has been filed with the Employee Benefits Security Administration, U.S. Department ofLabor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $10,256,630. These expensesincluded $1,117,588 in administrative expenses and $9,139,042 in benefits paid to participants and beneficiaries.A total of 2,025 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $265,297,443 as of December 31, 2006,compared to $236,467,684 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $28,829,759. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$39,086,389 including employer contributions of $7,609,784 and earnings from investments of $31,476,605.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 7 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN NAVAL SYSTEMS DIVISION ⎯ CLEVELANDFACILITY HOURLY-WAGE EMPLOYEES RETIREMENT PLANThis is a summary of the annual report for the Northrop Grumman Naval Systems Division ⎯ Cleveland FacilityHourly-Wage Employees Retirement Plan, EIN 95-4840775, Plan No. 019, for period January 1, 2006 throughDecember 31, 2006. The annual report has been filed with the Employee Benefits Security Administration, U.S.Department of Labor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $798,563. These expensesincluded $172,447 in administrative expenses and $626,116 in benefits paid to participants and beneficiaries.A total of 336 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $9,629,028 as of December 31, 2006,compared to $9,252,788 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $376,240. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $1,174,803including earnings from investments of $1,174,803.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 8 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN NAVAL SYSTEMS DIVISION ⎯ CLEVELANDFACILITY SALARIED EMPLOYEES RETIREMENT PLANThis is a summary of the annual report for the Northrop Grumman Naval Systems Division ⎯ Cleveland FacilitySalaried Employees Retirement Plan, EIN 95-4840775, Plan No. 020, for period January 1, 2006 throughDecember 31, 2006. The annual report has been filed with the Employee Benefits Security Administration, U.S.Department of Labor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $3,520,186. These expensesincluded $318,718 in administrative expenses and $3,201,468 in benefits paid to participants and beneficiaries.A total of 1,032 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $61,107,396 as of December 31, 2006,compared to $55,074,625 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $6,032,771. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $9,552,957including employer contributions of $2,481,960 and earnings from investments of $7,070,997.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 9 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN NORDEN SYSTEMS EMPLOYEE RETIREMENT PLANThis is a summary of the annual report for the Northrop Grumman Norden Systems Employee Retirement Plan,EIN 95-4840775, Plan No. 032, for period January 1, 2006 through December 31, 2006. The annual report hasbeen filed with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $2,297,044. These expensesincluded $650,618 in administrative expenses and $1,646,426 in benefits paid to participants and beneficiaries.A total of 1,091 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $72,572,109 as of December 31, 2006,compared to $60,953,196 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $11,618,913. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$13,915,957 including employer contributions of $5,547,593 and earnings from investments of $8,368,364.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 10 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN NORDEN SYSTEMSREPRESENTED EMPLOYEE RETIREMENT PLANThis is a summary of the annual report for the Northrop Grumman Norden Systems Represented EmployeeRetirement Plan, EIN 95-4840775, Plan No. 031, for period January 1, 2006 through December 31, 2006. Theannual report has been filed with the Employee Benefits Security Administration, U.S. Department of Labor, asrequired under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $271,990. These expensesincluded $159,702 in administrative expenses and $112,288 in benefits paid to participants and beneficiaries.A total of 185 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $5,197,288 as of December 31, 2006,compared to $4,821,867 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $375,421. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $647,411including earnings from investments of $647,411.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 11 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN PENSION PLANThis is a summary of the annual report for the Northrop Grumman Pension Plan, EIN 95-4840775, Plan No. 030,for period January 1, 2006 through December 31, 2006. The annual report has been filed with the EmployeeBenefits Security Administration, U.S. Department of Labor, as required under the Employee Retirement IncomeSecurity Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $646,901,893. These expensesincluded $37,617,651 in administrative expenses and $609,284,242 in benefits paid to participants andbeneficiaries. A total of 123,750 persons were participants in or beneficiaries of the plan at the end of the planyear, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $12,544,376,057 as of December 31, 2006,compared to $11,646,087,911 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $898,288,146. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$1,545,190,039 including earnings from investments of $1,545,190,039.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 12 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN REPRESENTED EMPLOYEES PENSION PLANThis is a summary of the annual report for the Northrop Grumman Represented Employees Pension Plan,EIN 95-4840775, Plan No. 037, for period January 1, 2006 through December 31, 2006. The annual report hasbeen filed with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $78,457. These expensesincluded $71,199 in administrative expenses and $7,258 in benefits paid to participants and beneficiaries. A totalof 112 persons were participants in or beneficiaries of the plan at the end of the plan year, although not all ofthese persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $692,529 as of December 31, 2006,compared to $364,729 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $327,800. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $406,257including employer contributions of $346,741 and earnings from investments of $59,516.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 13 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN RETIREMENT PLAN BThis is a summary of the annual report for the Northrop Grumman Retirement Plan B, EIN 95-4840775, PlanNo. 041, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $121,590,768. These expensesincluded $7,294,496 in administrative expenses and $114,296,272 in benefits paid to participants andbeneficiaries. A total of 33,350 persons were participants in or beneficiaries of the plan at the end of the plan year,although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $2,436,264,557 as of December 31, 2006,compared to $2,243,757,523 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $192,507,034. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$314,097,802 including employee contributions of $3,404 and earnings from investments of $298,420,260.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 14 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN SPACE & MISSIONSYSTEMS CORPORATION SALARIED PENSION PLANThis is a summary of the annual report for the Northrop Grumman Space & Mission Systems Corporation SalariedPension Plan, EIN 95-4840775, Plan No. 007, for period January 1, 2006 through December 31, 2006. Theannual report has been filed with the Employee Benefits Security Administration, U.S. Department of Labor, asrequired under the Employee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $255,401,321. These expensesincluded $15,616,582 in administrative expenses and $239,784,739 in benefits paid to participants andbeneficiaries. A total of 71,748 persons were participants in or beneficiaries of the plan at the end of the plan year,although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $4,241,814,362 as of December 31, 2006,compared to $3,235,070,282 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $1,006,744,080. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$1,262,145,401 including employer contributions of $824,620,000 and earnings from investments of$437,525,401.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 15 -


SUMMARY ANNUAL REPORTFOR WILCOX HOURLY RETIREMENT PLANThis is a summary of the annual report for the Wilcox Hourly Retirement Plan, EIN 95-4840775, Plan No. 002, forperiod January 1, 2006 through December 31, 2006. The annual report has been filed with the Employee BenefitsSecurity Administration, U.S. Department of Labor, as required under the Employee Retirement Income SecurityAct of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $266,062. These expensesincluded $48,479 in administrative expenses and $217,583 in benefits paid to participants and beneficiaries.A total of 216 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $3,260,478 as of December 31, 2006,compared to $3,121,406 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $139,072. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $405,134including earnings from investments of $405,134.Minimum Funding StandardsAn actuary's statement shows that enough money was contributed to the plan to keep it funded in accordancewith the minimum funding standards of ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates; and4. actuarial information regarding the funding of the plan.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 16 -


SUMMARY ANNUAL REPORTFOR AVONDALE INDUSTRIES, INC. 401(K) SAVINGS PLANThis is a summary of the annual report for the Avondale Industries Inc. 401(k) Savings Plan, EIN 94-3041767,Plan No. 015, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $3,043,209. These expensesincluded $20,633 in administrative expenses and $3,022,576 in benefits paid to participants and beneficiaries.A total of 4,122 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $34,455,985 as of December 31, 2006,compared to $32,480,970 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $1,975,015. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $5,018,224including employer contributions of $199,031, employee contributions of $1,474,657, and earnings frominvestments of $3,344,536.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 17 -


SUMMARY ANNUAL REPORTFOR AVONDALE INDUSTRIES, INC. SAVINGS PLANThis is a summary of the annual report for the Avondale Industries, Inc. Savings Plan, EIN 94-3041767, Plan No.007, for period January 1, 2006 through December 31, 2006. The annual report has been filed with the EmployeeBenefits Security Administration, U.S. Department of Labor, as required under the Employee Retirement IncomeSecurity Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $13,060,813. These expensesincluded $365,641 in administrative expenses and $12,695,172 in benefits paid to participants and beneficiaries.A total of 7,199 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $258,282,082 as of December 31, 2006,compared to $243,959,575 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $14,322,507. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$28,242,068 including earnings from investments of $28,242,068.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 18 -


SUMMARY ANNUAL REPORTFOR COMPTEK RESEARCH RETIREMENT SAVINGS PLANThis is a summary of the annual report for the Comptek Research Retirement Savings Plan, EIN 16-0959023,Plan No. 002, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $1,995,082. These expensesincluded $1,995,082 in benefits paid to participants and beneficiaries. A total of 401 persons were participants inor beneficiaries of the plan at the end of the plan year, although not all of these persons had yet earned the rightto receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $18,834,160 as of December 31, 2006,compared to $18,523,968 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $310,192. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $2,305,274including realized gains of $396,179 from the sale of assets and earnings from investments of $1,909,095.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 19 -


SUMMARY ANNUAL REPORTFOR FIBERSENSE TECHNOLOGY CORPORATION 401(K) PLANThis is a summary of the annual report for the Fibersense Technology Corporation 401(k) Plan, EIN 95-2277760,Plan No. 050, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $235,223. These expensesincluded $1,869 in administrative expenses, $230,184 in benefits paid to participants and beneficiaries, and$3,170 in other expenses. A total of 98 persons were participants in or beneficiaries of the plan at the end of theplan year, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $2,490,206 as of December 31, 2006,compared to $2,439,171 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $51,035. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $286,258including earnings from investments of $286,258.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information; and3. assets held for investment.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 20 -


SUMMARY ANNUAL REPORTFOR ILLGEN SIMULATION TECHNOLOGIES, INC. 401(K) SAVINGS PLANThis is a summary of the annual report for the Illgen Simulation Technologies, Inc. 401(k) Savings Plan, EIN 34-0575430, Plan No. 055, for period January 1, 2006 through December 31, 2006. The annual report has beenfiled with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through insurance and through a trust fund. Plan expenses were $60,326.These expenses included $58,711 in benefits paid to participants and beneficiaries and $1,615 in other expenses.A total of 23 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $1,433,596 as of December 31, 2006,compared to $1,359,855 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $73,741. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $134,067including earnings from investments of $134,067.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. financial information;2. insurance information, including sales commissions paid by insurance carriers; and3. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 21 -


SUMMARY ANNUAL REPORTFOR INTEGIC CORPORATION 401(K) PLANThis is a summary of the annual report for Integic Corporation 401(k) Plan, Employer Identification Number 54-1498081, Plan No. 002 for the period January 1, 2006 through December 31, 2006. The annual report has beenfiled with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $5,699,308. These expensesincluded $23,123 in administrative expenses and $5,676,185 in benefits paid to participants and beneficiaries.A total of 632 persons were participants in or beneficiaries of the plan at the end of the plan year.The value of plan assets, after subtracting liabilities of the plan, was $40,372,221, as of December 31, 2006compared to $39,138,688 as of January 1, 2006. During the plan year, the plan experienced an increase in its netassets of $1,233,533. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $6,932,841,including employer contributions of $228,334, employee contributions of $1,915,484, other contributions of$178,686, and earnings from investments of $4,610,337.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. financial information and information on payments to service providers;2. an accountant's report; and3. assets held for investment.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 22 -


SUMMARY ANNUAL REPORTFOR LITTON MARINE SYSTEMS INC. 401(K) SAVINGS PLANThis is a summary of the annual report for the Litton Marine Systems, Inc. 401(k) Savings Plan, EIN 95-1055798,Plan No. 003, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $5,716,341. These expensesincluded $4,190 in administrative expenses and $5,712,151 in benefits paid to participants and beneficiaries.A total of 771 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $44,609,261 as of December 31, 2006,compared to $45,909,659 as of January 1, 2006. During the plan year the plan experienced a decrease in its netassets of $1,300,398. This decrease includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$4,353,736 including earnings from investments of $4,415,943.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 23 -


SUMMARY ANNUAL REPORTFOR LOGICON FDC, INC. RETIREMENT SAVINGS PLANThis is a summary of the annual report for the Logicon FDC, Inc. Retirement Savings Plan, EIN 95-2126773, PlanNo. 004, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through insurance and through a trust fund. Plan expenses were$7,141,196. These expenses included $7,018,422 in benefits paid to participants and beneficiaries and $122,774in other expenses. A total of 914 persons were participants in or beneficiaries of the plan at the end of the planyear, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $33,798,623 as of December 31, 2006,compared to $37,373,197 as of January 1, 2006. During the plan year the plan experienced a decrease in its netassets of $3,574,574. This decrease includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$3,566,622 including earnings from investments of $3,566,669.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information;3. assets held for investment;4. insurance information, including sales commissions paid by insurance carriers; and5. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 24 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN FINANCIAL SECURITY AND SAVINGS PROGRAMThis is a summary of the annual report for the Northrop Grumman Financial Security and Savings Program, EIN95-4840775, Plan No. 010, for period January 1, 2006 through December 31, 2006. The annual report has beenfiled with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $117,575,422. These expensesincluded $2,929,513 in administrative expenses and $114,645,909 in benefits paid to participants andbeneficiaries. A total of 27,067 persons were participants in or beneficiaries of the plan at the end of the plan year,although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $1,272,964,724 as of December 31, 2006,compared to $1,236,685,215 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $36,279,509. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$153,854,931 including employer contributions of $2,303,856, employee contributions of $13,930,076, andearnings from investments of $137,571,428.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, master trusts or103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 25 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN MOBILE ACCESS SOFTWARE, INC. 401(K) PLANThis is a summary of the annual report for the Northrop Grumman Mobile Access Software, Inc. 401(k) Plan,EIN 95-4840775, Plan No. 050, for period January 1, 2006 through December 31, 2006. The annual report hasbeen filed with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $0. A total of 22 persons wereparticipants in or beneficiaries of the plan at the end of the plan year, although not all of these persons had yetearned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $237,529 as of December 31, 2006,compared to $215,559 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $21,970. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $21,970including earnings from investments of $21,970.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. financial information; and2. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 26 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN SAVINGS PLANThis is a summary of the annual report for the Northrop Grumman Savings Plan, EIN 95-4840775, Plan No. 011,for period January 1, 2006 through December 31, 2006. The annual report has been filed with the EmployeeBenefits Security Administration, U.S. Department of Labor, as required under the Employee Retirement IncomeSecurity Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $831,586,766. These expensesincluded $13,199,658 in administrative expenses and $818,387,108 in benefits paid to participants andbeneficiaries. A total of 128,805 persons were participants in or beneficiaries of the plan at the end of the planyear, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $12,873,910,191 as of December 31, 2006,compared to $11,290,567,714 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $1,583,342,477. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$2,414,929,243 including employer contributions of $261,292,179, employee contributions of $805,113,535, andearnings from investments of $1,283,272,095.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment; and4. information regarding any common or collective trusts, pooled separate accounts, master trusts or 103-12investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 27 -


SUMMARY ANNUAL REPORTFOR PRC INC. RETIREMENT PROGRAM ⎯ FOR YOUR FUTUREThis is a summary of the annual report for the PRC Inc. Retirement Program ⎯ For Your Future, EIN 95-2126773, Plan No. 005, for period January 1, 2006 through December 31, 2006. The annual report has been filedwith the Employee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $35,431,192. These expensesincluded $214,091 in administrative expenses and $35,217,101 in benefits paid to participants and beneficiaries.A total of 7,848 persons were participants in or beneficiaries of the plan at the end of the plan year, although notall of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $362,840,816 as of December 31, 2006,compared to $362,605,895 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $234,921. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$35,666,113 including earnings from investments of $35,666,113.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment, and;4. information regarding any common or collective trusts in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be $3.75 for the full annual report, or 25 cents per page for any partthereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 28 -


SUMMARY ANNUAL REPORTFOR REDSTONE ARSENAL RETIREMENT SAVINGS PLANThis is a summary of the annual report for the Redstone Arsenal Retirement Savings Plan, EIN 73-0934115, PlanNo. 015, for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through insurance and through a trust fund. Plan expenses were $788,560.These expenses included $787,880 in benefits paid to participants and beneficiaries and $680 in other expenses.A total of 130 persons were participants in or beneficiaries of the plan at the end of the plan year, although not allof these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $3,325,155 as of December 31, 2006,compared to $3,589,816 as of January 1, 2006. During the plan year the plan experienced a decrease in its netassets of $264,661. This decrease includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. The plan had total income of $523,899including employer contributions of $235,739, employee contributions of $122,731, and earnings frominvestments of $165,429.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information;3. assets held for investment;4. insurance information, including sales commissions paid by insurance carriers; and5. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 29 -


SUMMARY ANNUAL REPORTFOR VINNELL CORPORATION RETIREMENT PLANThis is a summary of the annual report for the Vinnell Corporation Retirement Plan, Employer Identification No.95-1473529, Plan No. 002, for period January 1, 2006 to December 31, 2006. The annual report has been filedwith the Employee Benefits Security Administration, as required under the Employee Retirement Income SecurityAct of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided by a trust (benefits are provided in whole from trust funds). Plan expenseswere $304,243. These expenses included $2,850 in administrative expenses and $301,393 in benefits paid toparticipants and beneficiaries. A total of 170 persons were participants in or beneficiaries of the plan at the end ofthe plan year, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $5,092,672 as of December 31, 2006compared to $4,493,479 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $599,193. This increase includes unrealized appreciation or depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year, or the cost of assets acquired during the year. The plan had total income of $903,436,including employer contributions of $415,542 and earnings from investments of $487,894.Minimum Funding StandardsEnough money was contributed to the plan to keep it funded in accordance with the minimum funding standardsof ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. An accountant's report; and2. Assets held for investment.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 30 -


SUMMARY ANNUAL REPORTFOR VINNELL CORPORATION SAVINGS PLAN FOR REPRESENTED EMPLOYEESThis is a summary of the annual report for the Vinnell Corporation Savings Plan for Represented Employees, EIN95-1473529, Plan No. 005, for period January 1, 2006 through December 31, 2006. The annual report has beenfiled with the Employee Benefits Security Administration, U.S. Department of Labor, as required under theEmployee Retirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided by a trust (benefits are provided in whole from trust funds). Plan expenseswere $433,327. These expenses included $10,986 in administrative expenses and $422,341 in benefits paid toparticipants and beneficiaries. A total of 919 persons were participants in or beneficiaries of the plan at the end ofthe plan year, although not all of these persons had yet earned the right to receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $7,250,929 as of December 31, 2006compared to $5,619,715 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $1,631,214. This increase includes unrealized appreciation or depreciation in the value of plan assets;that is, the difference between the value of the plans’ assets at the end of the year and the value of the assets atthe beginning of the year, or the cost of assets acquired during the year. The plan had total income of $2,064,541,including employer contributions of $705,543, employee contributions of $748,830 and earnings from investmentsof $545,632.The plan has a contract with Principal Life Insurance Company which allocates funds toward individual policies.Minimum Funding StandardsEnough money was contributed to the plan to keep it funded in accordance with the minimum funding standardsof ERISA.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;3. assets held for investment;4. insurance information, including sales commissions paid by insurance carriers; and5. information regarding any common or collective trusts, pooled separate accounts, mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 31 -


SUMMARY ANNUAL REPORTFOR XONTECH, INC. SALARY SAVINGS AND PROFIT SHARING PLANThis is a summary of the annual report for the XonTech, Inc. Salary Savings and Profit Sharing Plan, EIN 34-0575430, Plan No. 056, for period April 1, 2006 through March 31, 2007. The annual report has been filed withthe Employee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Basic Financial StatementBenefits under the plan are provided through a trust fund. Plan expenses were $6,166,591. These expensesincluded $6,166,591 in benefits paid to participants and beneficiaries. A total of 449 persons were participants inor beneficiaries of the plan at the end of the plan year, although not all of these persons had yet earned the rightto receive benefits.The value of plan assets, after subtracting liabilities of the plan, was $46,476,865 as of March 31, 2007,compared to $49,184,516 as of April 1, 2006. During the plan year the plan experienced a decrease in its netassets of $2,707,651. This decrease includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. The plan had total income of$3,458,940 including earnings from investments of $3,458,940.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information; and3. assets held for investment.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 32 -


SUMMARY ANNUAL REPORTFOR GROUP BENEFIT PLAN FOR EMPLOYEES OF INTERCONNECT TECHNOLOGIESThis is a summary of the annual report of the Group Benefit Plan for Employees of Interconnect Technologies,EIN 95-2277760, Plan No. 581, health, life, dental, long-term disability and temporary disability for period January1, 2006 through December 31, 2006. The annual report has been filed with the Employee Benefits SecurityAdministration, U.S. Department of Labor, as required under the Employee Retirement Income Security Act of1974 (ERISA).Litton Systems, Inc. has committed itself to pay all temporary disability claims incurred under the terms of theplan.Insurance InformationThe plan has contracts with Guardian Life Insurance Company of America, Hartford Life and Accident and MercyHealth Plans to pay all medical, life insurance, dental and long-term disability claims incurred under the terms ofthe plan. The total premiums paid for the plan year ending December 31, 2006 were $2,165,152.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. insurance information, including sales commissions paid by insurance carriers.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 33 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN CORPORATION GROUP BENEFITS PLANThis is a summary of the annual report of the Northrop Grumman Corporation Group Benefits Plan, EIN 95-4840775, Plan No. 501, health, life, dental, vision, disability, travel accident and accidental death &dismemberment for period January 1, 2006 through December 31, 2006. The annual report has been filed withthe Employee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has contracts with several insurance carriers to pay all medical, dental, vision, expanded psychiatricservices, life insurance, temporary disability, long-term disability, legal, travel accident and accidental death &dismemberment claims incurred under the terms of the plan. The total premiums paid for the plan year endingDecember 31, 2006 were $214,668,722.Basic Financial StatementThe value of plan assets, after subtracting liabilities of the plan, was $451,240,432 as of December 31, 2006,compared to $405,028,541 as of January 1, 2006. During the plan year the plan experienced an increase in itsnet assets of $46,211,891. This increase includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. During the plan year, the planhad total income of $1,110,945,733 including employer contributions of $756,153,430, employee contributions of$287,902,465, and earnings from investments of $61,220,965.Plan expenses were $1,064,733,842. These expenses included $88,801,136 in administrative expenses and$975,932,706 in benefits paid to participants and beneficiaries.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment;4. transactions in excess of 5% of the plan assets; and5. insurance information, including sales commissions paid by insurance carriers.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 34 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN ELECTRONIC SYSTEMS ⎯SPACE DIVISION CONSOLIDATED HEALTH PLANThis is a summary of the annual report of the Northrop Grumman Electronic Systems ⎯ Space DivisionConsolidated Health Plan, EIN 95-4840775, Plan No. 503, health, life dental, short-term disability and long-termdisability for period January 1, 2006 through December 31, 2006. The annual report has been filed with theEmployee Benefits Security Administration, U.S. Department of Labor, as required under the EmployeeRetirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has contracts with several insurance carriers to pay all medical, life insurance, dental, short-termdisability and long-term disability claims incurred under the terms of the plan. The total premiums paid for the planyear ending December 31, 2006 were $396,758,057.Basic Financial StatementThe value of plan assets, after subtracting liabilities of the plan, was $3,473,100 as of December 31, 2006,compared to $5,496,072 as of January 1, 2006. During the plan year the plan experienced a decrease in its netassets of $2,022,972. This decrease includes unrealized appreciation and depreciation in the value of planassets; that is, the difference between the value of the plan's assets at the end of the year and the value of theassets at the beginning of the year or the cost of assets acquired during the year. During the plan year, the planhad total income of $116,502,062 including employer contributions of $95,754,086, employee contributions of$20,282,630, and earnings from investments of $141,259.Plan expenses were $118,525,034. These expenses included $9,483,676 in administrative expenses and$109,041,358 in benefits paid to participants and beneficiaries.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment;4. transactions in excess of 5% of the plan assets;5. insurance information, including sales commissions paid by insurance carriers; and6. information regarding any common or collective trusts, pooled separate accounts; mastertrusts or 103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 35 -


SUMMARY ANNUAL REPORTFOR NORTHROP GRUMMAN VOLUNTARY BENEFITS PLANThis is a summary of the annual report of the Northrop Grumman Voluntary Benefits Plan, EIN 95-4840775, PlanNo. 643, life, disability, legal, and accidental death and dismemberment, for period January 1, 2006 throughDecember 31, 2006. The annual report has been filed with the Employee Benefits Security Administration, U.S.Department of Labor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has contracts with several insurance companies to pay all temporary disability, long-term disability,group long-term care, prepaid legal, life insurance and accidental death and dismemberment claims incurredunder the terms of the plan. The total premiums paid for the plan year ending December 31, 2006 were$92,924,363.Basic Financial StatementThe value of plan assets, after subtracting liabilities of the plan, was $10,047,238 as of December 31, 2006,compared to $9,955,605 as of January 1, 2006. During the plan year the plan experienced an increase in its netassets of $91,633. This increase includes unrealized appreciation and depreciation in the value of plan assets;that is, the difference between the value of the plan's assets at the end of the year and the value of the assets atthe beginning of the year or the cost of assets acquired during the year. During the plan year, the plan had totalincome of $55,698,113 including employee contributions of $55,485,068 and earnings from investments of$213,045.Plan expenses were $55,606,480. These expenses included $197,251 in administrative expenses and$55,409,229 in benefits paid to participants and beneficiaries.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. an accountant's report;2. financial information and information on payments to service providers;3. assets held for investment;4. transactions in excess of 5% of the plan assets;5. insurance information, including sales commissions paid by insurance carriers; and6. information regarding any common or collective trusts, pooled separate accounts; master trusts or103-12 investment entities in which the plan participates.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $20 for the full annual report, or 25 cents per page for anypart thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 36 -


SUMMARY ANNUAL REPORTFOR VBR GROUP LIFE & MEDICAL PLANThis is a summary of the annual report of the VBR Group Life & Medical Plan, EIN 54-1467670, Plan No. 508long-term disability, medical and life insurance, for period January 1, 2006 through December 31, 2006. Theannual report has been filed with the Employee Benefits Security Administration, U.S. Department of Labor, asrequired under the Employee Retirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has contracts with AIG Life Insurance Company and CIGNA Worldwide Insurance Company to pay alllong-term disability, medical and life insurance claims incurred under the terms of the plan. The total premiumspaid for the plan year ending December 31, 2006 were $895,250.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. insurance information, including sales commissions paid by insurance carriers.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $4.25 for the full annual report, or 25 cents per page forany part thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 37 -


SUMMARY ANNUAL REPORTFOR VINNELL CORPORATION LONG TERM DISABILITY INCOME PLANThis is a summary of the annual report of the Vinnell Corporation Long Term Disability Income Plan, EIN 95-1473529, Plan No. 503 long term disability, for period January 1, 2006 through December 31, 2006. The annualreport has been filed with the Employee Benefits Security Administration, U.S. Department of Labor, as requiredunder the Employee Retirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has a contract with Connecticut General Life Insurance Company to pay all long-term disability claimsincurred under the terms of the plan. The total premiums paid for the plan year ending December 31, 2006 were$82,977.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. insurance information, including sales commissions paid by insurance carriers.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $2.25 for the full annual report, or 25 cents per page forany part thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 38 -


SUMMARY ANNUAL REPORTFOR VINNELL MEDICAL, DENTAL, AND VISION PLANThis is a summary of the annual report of the Vinnell Medical, Dental, and Vision Plan, EIN 95-1473529, Plan No.501 medical, dental, vision, life and accidental death and dismemberment, for period January 1, 2006 throughDecember 31, 2006. The annual report has been filed with the Employee Benefits Security Administration, U.S.Department of Labor, as required under the Employee Retirement Income Security Act of 1974 (ERISA).Insurance InformationThe plan has contracts with AIG Life Insurance Company and Connecticut General Life Insurance Co. to pay allmedical, dental, vision, life insurance and accidental death & dismemberment claims incurred under the terms ofthe plan. The total premiums paid for the plan year ending December 31, 2006 were $2,221,798.Your Rights To Additional InformationYou have the right to receive a copy of the full annual report, or any part thereof, on request. The items listedbelow are included in that report:1. insurance information, including sales commissions paid by insurance carriers.To obtain a copy of the full annual report, or any part thereof, write or call the office of Northrop GrummanBenefits Center, 7201 Hewitt Associates Drive, P.O. Box 8000, Charlotte, NC 28262-8000 or call 1-800-894-4194.The charge to cover copying costs will be no more than $3.25 for the full annual report, or 25 cents per page forany part thereof.You also have the right to receive from the plan administrator, on request and at no charge, a statement of theassets and liabilities of the plan and accompanying notes, or a statement of income and expenses of the plan andaccompanying notes, or both. If you request a copy of the full annual report from the plan administrator, these twostatements and accompanying notes will be included as part of that report.You also have the legally protected right to examine the annual report at the main office of the plan (NorthropGrumman Corporation, 1840 Century Park East, Los Angeles, CA 90067) and at the U.S. Department of Labor inWashington, D.C., or to obtain a copy from the U.S. Department of Labor upon payment of copying costs.Requests to the Department should be addressed to: Public Disclosure Room, Room N1513, Employee BenefitsSecurity Administration, U.S. Department of Labor, 200 Constitution Avenue, N.W., Washington, D.C. 20210.- 39 -


NOTICE TO PARTICIPANTS OF GRUMMAN ALLIED INDUSTRIES, INC.AND SUBSIDIARIES RETIREMENT PLANThe law requires that you receive information on the funding level of your defined benefit pension plan and thebenefits guaranteed by the Pension Benefit Guaranty Corporation (PBGC), a federal insurance agency.Your Plan's FundingAs of January 1, 2007, your plan had 82.7 percent of the money needed to pay benefits promised to employeesand retirees.To pay pension benefits, your employer is required to contribute money to the pension plan over a period ofyears. A plan’s funding percentage does not take into consideration the financial strength of the employer. Youremployer, by law, must pay for all pension benefits, but your benefits may be at risk if your employer faces asevere financial crisis or is in bankruptcy.PBGC GuaranteesWhen a pension plan ends without enough money to pay all benefits, the PBGC steps in to pay pension benefits.The PBGC pays most people all pension benefits, but some people may lose certain benefits that are notguaranteed.The PBGC pays pension benefits, up to certain maximum limits.• The maximum guaranteed benefit is $4,125.00 per month or $49,500.00 per year for a 65-year-old person ina plan that terminates in 2007.• The maximum benefit may be reduced for an individual who is younger than age 65. For example, it is$1,856.25 per month or $22,275.00 per year for an individual who starts receiving benefits at age 55.• The maximum benefit will also be reduced when a benefit is provided for a survivor.The PBGC does not guarantee certain types of benefits.• The PBGC does not guarantee benefits for which you do not have a vested right when a plan terminates,usually because you have not worked enough years for the company.• The PBGC does not guarantee benefits for which you have not met all age, service, or other requirements atthe time the plan terminates.• Benefit increases and new benefits that have been in place for less than a year are not guaranteed. Thosethat have been in place for less than 5 years are only partly guaranteed.• The PBGC generally does not pay lump sums exceeding $5,000.Where To Get More InformationYour plan, EIN 95-4840775, Plan No. 029, is sponsored by Northrop Grumman Corporation. If you would likemore information about the funding of your plan, contact, the Retirement Plan Administrative Committee, 1840Century Park East, Los Angeles, CA 90067, 1-800-894-4194.For more information about the PBGC and the benefits it guarantees, you may request a free copy of “YourGuaranteed Pension” by writing to Consumer Information Center, Dept. YGP, Pueblo, Colorado 81009.“Your Guaranteed Pension” is also available from the PBGC Web site at http://www.pbgc.gov/workersretirees/benefits-information/content/page14090.html.Issued: November 15, 2007- 40 -

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