Document:

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                                                                   Exhibit 10.3

                                  ADDENDUM VII
                                       TO
                         SPRINT PCS MANAGEMENT AGREEMENT

Manager:        iPCS WIRELESS, INC.  (f/k/a Illinois PCS, L.L.C.)

<Table>
<Caption>
<S>                                                                 <C>
Service Area
BTAs:           Bloomington, IL                                     BTA # 46
                Champaign-Urbana, IL                                BTA # 71
                Clinton, IA-Sterling, IL                            BTA # 86
                Danville, IL                                        BTA # 103
                Davenport, IA-Moline, IL                            BTA # 105
                Decatur-Effingham, IL                               BTA # 109
                Galesburg, IL                                       BTA # 161
                Jacksonville, IL                                    BTA # 213
                Kankakee, IL                                        BTA # 225
                LaSalle-Peru-Ottawa-Streator, IL                    BTA # 243
                Mattoon, IL                                         BTA # 286
                Mt. Vernon-Centralia, IL                            BTA # 308
                Peoria, IL                                          BTA # 344
                St. Louis, MO (partial)                             BTA # 394
                Springfield, IL                                     BTA # 426
                Grand Island-Kearney, NE                            BTA # 167
                Hastings, NE                                        BTA # 185
                Lincoln, NE (partial)                               BTA # 256
                Norfolk, NE                                         BTA # 323
                Omaha, NE (partial)                                 BTA # 332
                Burlington, IA                                      BTA # 61
                Des Moines, IA (partial)                            BTA # 111
                Dubuque, IA                                         BTA # 118
                Fort Dodge, IA                                      BTA # 150
                Marshalltown, IA                                    BTA # 283
                Mason City, IA                                      BTA # 285
                Ottumwa, IA                                         BTA # 337
                Waterloo-Cedar Falls, IA                            BTA # 462
                Battle Creek, MI (partial)                          BTA # 33
                Grand Rapids, MI                                    BTA # 169
                Lansing, MI (partial)                               BTA # 241
                Mount Pleasant, MI                                  BTA # 307
                Muskegon, MI                                        BTA # 310
                Saginaw-Bay City, MI                                BTA # 390
                Traverse City, MI                                   BTA # 446
                Cedar Rapids, IA                                    BTA # 70
                Iowa City, IA                                       BTA # 205
</Table>

     This Addendum VII (this "Addendum"), dated as of August 26, 2002, contains
certain additional and supplemental terms and provisions of that certain Sprint
PCS Management Agreement entered into as of January 22, 1999, by the same
parties as this Addendum, which Management Agreement, as amended by various

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addenda to date (the Sprint PCS Management Agreement, as amended to date, the
"Management Agreement").

     The terms and provisions of this Addendum control, supersede and amend any
conflicting terms and provisions contained in the Management Agreement. Except
for express modifications made in this Addendum, the Management Agreement
continues in full force and effect. Capitalized terms used and not otherwise
defined in this Addendum have the meanings ascribed to them in the Management
Agreement. Section and Exhibit references are to Sections and Exhibits of the
Management Agreement unless otherwise noted.

     The Management Agreement is modified as follows:

     1. Change in Spectrum Range. WirelessCo and SprintCom are negotiating with
AT&T Wireless PCS, LLC ("AWE") regarding a licensed spectrum swap (the "Proposed
Transaction"), a portion of which includes WirelessCo giving 10 MHz (the 1880 to
1885 to 1960 to 1965 frequency ranges) in the Waterloo-Cedar Falls, Iowa BTA
(BTA No. 462) (the "Waterloo Spectrum") to AWE in exchange for AWE giving 10 MHz
(the 1860 to 1865 and 1940 to 1945 frequency ranges) in the Champaign-Urbana,
Illinois (BTA No. 71) (the "Champaign Spectrum") to WirelessCo. If Sprint PCS
provides written notice to Manager that the Proposed Transaction has been
consummated, then (i) Manager will no longer have the right to use the Waterloo
Spectrum, (ii) Manager may use the Champaign Spectrum, and (iii) all Sections of
this Addendum will be in full force and effect without further action on the
part of any party to this Addendum.

     2. Build-out Schedule. Manager's network build-out for the Champaign
Spectrum must comply with the Federal Communications Commission's build-out
requirements set forth in 47 C.F.R. 24.203 and 24.714(f), as in effect on the
required date for compliance with such requirements.

     3. Microwave Relocation. Manager will reimburse Sprint PCS for all costs
associated with Sprint PCS' clearing of interfering microwave sources in the
Champaign Spectrum.

     4. Disaggregation. Manager will complete the retuning and disaggregation
(the "Disaggregation") of its Service Area Network in the Waterloo-Cedar Falls,
Iowa BTA from 30 MHz to 20 MHz within 90 days after the FCC approves the
Proposed Transaction (the "Completion Period"). If Manager does not complete the
Disaggregation within the Completion Period, the indemnification obligations of
Manager to Sprint PCS and Sprint set forth in Article 13 of the Management
Agreement will apply for any and all claims resulting from Manager's failure to
complete the Disaggregation by the end of the Completion Period.

     5. Consideration. Each of Sprint PCS, WirelessCo and Manager believe that
the Proposed Transaction will further their respective business interests and no
other consideration is required to consummate the agreements set forth in this
Addendum.

     6. Expenses. Each of Sprint PCS, WirelessCo, and Manager will bear its own
costs and expenses incurred in connection with the Proposed Transaction (other
than microwave relocation costs incurred by Sprint PCS, which will be borne as
described in paragraph 3 of this Addendum), including, without limitation, the
negotiation and preparation of this Addendum and the definitive addendum
evidencing the change in licensed spectrum.

     7. Right to Terminate. If the Proposed Transaction has not been consummated
by the close of business on June 30, 2003, Manager may give written notice to
Sprint PCS of Manager's termination of this Addendum. Such termination will be
effective upon receipt by Sprint PCS.

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     8. Counterparts. This Addendum may be signed in counterparts, each of which
will be deemed an original, but all of which together will constitute one and
the same instrument.

     IN WITNESS WHEREOF, the parties hereto have caused this Addendum to be
executed by their respective authorized officers as of the date and year first
above written.

                                           Sprint Spectrum L.P.

                                           By:/s/ Thomas M. Mateer
                                              --------------------
                                           Thomas E. Mateer
                                           Vice President - Affiliations

                                           WirelessCo, L.P.

                                           By:/s/ Thomas M. Mateer
                                              --------------------
                                           Thomas E. Mateer
                                           Vice President - Affiliations

                                           SprintCom, Inc.

                                           By:/s/ Thomas M. Mateer
                                              ---------------------
                                           Thomas E. Mateer
                                           Vice President - Affiliations

                                           Sprint Communications Company L.P.

                                           By:/s/ Mike Goff
                                              ---------------------------
                                           Name: Mike Goff
                                           Title: VP-Corporate Brand Management

                                           iPCS Wireless, Inc.

                                           By: /s/ Thomas M. Dougherty
                                              --------------------------
                                           Name: Thomas M. Dougherty
                                           Title: President & CEO<Page>

                                                                    EXHIBIT 10.4

                                  ADDENDUM VIII
                                       TO
                       SPRINT PCS MANAGEMENT AGREEMENT AND
                          SPRINT PCS SERVICES AGREEMENT

      AMENDING THESE AGREEMENTS FURTHER AND RESTATING CERTAIN PARAGRAPHS IN
                              ADDENDA I THROUGH VII

                           DATED AS OF MARCH 26, 2004

MANAGER:                IPCS WIRELESS, INC.

SERVICE AREA BTAS:      BLOOMINGTON, IL # 46
                        CHAMPAIGN-URBANA, IL # 71
                        CLINTON, IA-STERLING, IL # 86
                        DANVILLE, IL # 103
                        DAVENPORT, IA-MOLINE, IL # 105
                        DECATUR-EFFINGHAM, IL # 109
                        GALESBURG, IL # 161
                        JACKSONVILLE, IL # 213
                        KANKAKEE, IL # 225
                        LASALLE-PERU-OTTAWA-STREATOR, IL # 243
                        MATTOON, IL # 286
                        MT. VERNON-CENTRALIA, IL # 308
                        PEORIA, IL # 344
                        ST. LOUIS, MO (PARTIAL) # 394
                        SPRINGFIELD, IL # 426
                        GRAND ISLAND-KEARNEY, NE # 167
                        HASTINGS, NE # 185
                        LINCOLN, NE (PARTIAL) # 256
                        NORFOLK, NE # 323
                        OMAHA, NE (PARTIAL) # 332
                        BURLINGTON, IA # 61
                        DES MOINES, IA (PARTIAL) # 111
                        DUBUQUE, IA # 118
                        FORT DODGE, IA # 150
                        MARSHALLTOWN, IA # 283
                        MASON CITY, IA # 285
                        OTTUMWA, IA # 337
                        WATERLOO-CEDAR FALLS, IA # 462
                        BATTLE CREEK, MI (PARTIAL) # 33
                        GRAND RAPIDS, MI # 169
                        LANSING, MI (PARTIAL) # 241
                        MOUNT PLEASANT, MI # 307

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                        MUSKEGON, MI # 310
                        SAGINAW-BAY CITY, MI # 390
                        TRAVERSE CITY, MI # 446
                        CEDAR RAPIDS, IA # 70
                        IOWA CITY, IA # 205
                        TERRE HAUTE, IN (PARTIAL) #442

                This Addendum VIII (this "ADDENDUM") contains amendments to the
Sprint PCS Management Agreement, the Sprint PCS Services Agreement, the Sprint
Trademark and Service Mark License Agreement and the Sprint Spectrum Trademark
and Service Mark License Agreement, each of which was entered into on January
22, 1999 by Sprint Spectrum L.P., SprintCom, Inc., WirelessCo, L.P., Sprint
Communications Company L.P. and Illinois PCS, L.L.C. After entering into these
agreements, Illinois PCS, L.L.C. was merged into iPCS Wireless, Inc. on July 12,
2000. The Management Agreement, Services Agreement and Trademark License
Agreements were amended by:

                (1)     Addendum I dated as of January 22, 1999,
                (2)     Addendum II dated as of August 3, 1999,
                (3)     Amended and Restated Addendum III dated as of March 8,
                        2000,
                (4)     Addendum IV dated as of July 12, 2000,
                (5)     Addendum V dated as of December 15, 2000,
                (6)     Addendum VI dated as of February 28, 2001, and
                (7)     Addendum VII dated as of August 26, 2002.

                The purposes of this Addendum are to (1) amend the Management
Agreement, the Services Agreement, the Trademark License Agreements and the
Schedule of Definitions and restate those paragraphs in the addenda executed
previously that amend the Management Agreement, the Services Agreement, the
Trademark License Agreements and the Schedule of Definitions (see section A
below), and (2) provide cross-references to those paragraphs in addenda executed
previously that are not restated in this Addendum (see section B below).

                The terms and provisions of this Addendum control over any
conflicting terms and provisions contained in the Management Agreement, the
Services Agreement, the Trademark License Agreements and the Schedule of
Definitions. The Management Agreement, the Services Agreement, the Trademark
Licenses Agreements, the Schedule of Definitions and all prior addenda continue
in full force and effect, except for express modifications made in this
Addendum. This Addendum does not change the effective date of any prior
amendment made to the Management Agreement, the Services Agreement, the
Trademark License Agreements or the Schedule of Definitions through previously
executed addenda.

                Capitalized terms used and not otherwise defined in this
Addendum have the meaning ascribed to them in the Schedule of Definitions or in
prior addenda. Section and Exhibit references are to sections and Exhibits of
the Management Agreement unless otherwise noted.

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                The parties are executing this Addendum as of the date noted
above, but the terms of this Addendum do not become effective until the first
calendar day of the first calendar month after all of the following conditions
are satisfied or waived by Sprint PCS in writing (the "EFFECTIVE DATE"):

                (i)     The Bankruptcy Court has entered an order to "stay" the
litigation against Sprint PCS identified on EXHIBIT A attached hereto (the
"LITIGATION");

                (ii)    Manager has agreed to participate in the Virgin Mobile
USA, LLC resale program and, as required by the PCS Services Agreement, dated as
of October 4, 2001, between Sprint Spectrum L.P. and Virgin Mobile USA, LLC, has
executed and returned to Sprint PCS the Program Requirements for Voluntary
Resale of Products and Services; and

                (iii)   the Settlement Agreement and Mutual Release, in
substantially the form attached to this Addendum (the "SETTLEMENT AGREEMENT"),
among Sprint Spectrum L.P., SprintCom, Inc., WirelessCo, L.P., Sprint
Communications Company L.P., iPCS, Inc., iPCS Wireless, Inc., iPCS Equipment,
Inc., the Official Committee of Unsecured Creditors of iPCS, Inc., iPCS
Wireless, Inc. and iPCS Equipment, Inc. (the "COMMITTEE") and Toronto Dominion
(Texas), Inc. has been executed and delivered.

                Notwithstanding the foregoing, in the event that all of the
following conditions have not been satisfied on or prior to July 31, 2004, then,
beginning on August 1, 2004, and thereafter for so long as all of the conditions
have not been satisfied, Sprint PCS shall have the right, exercisable upon
receipt of written notice by Manager, to terminate this Addendum, and Manager
shall have the right to discontinue the stay of the Litigation:

                (a) the Bankruptcy Court has confirmed a plan of reorganization
for Manager, in form and substance reasonably satisfactory to Manager, the
Committee and Sprint PCS (the "PLAN");

                (b) the Bankruptcy Court has approved the Settlement Agreement
and the Settlement Agreement has become effective; and

                (c) the payment of the Cure Amount (as defined in the Settlement
Agreement) required to be made by Manager under the Settlement Agreement has
been paid and received.

                On the Effective Date the Management Agreement, the Services
Agreement, the Trademark License Agreements and the Schedule of Definitions are
amended and restated as follows:

A.    NEW AMENDMENTS AND RESTATEMENT OF PREVIOUS AMENDMENTS TO SPRINT PCS
      AGREEMENTS.

                              MANAGEMENT AGREEMENT

        1.      VENDOR PURCHASE AGREEMENTS - SOFTWARE FEES [NEW]. Section 1.3 is
amended to read as follows:

                Insert: "1.3.1 DISCOUNTED VOLUME-BASED PRICING." before the
        first paragraph.

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                Insert: "1.3.2 SUBSCRIBER AND INFRASTRUCTURE EQUIPMENT." before
        the second paragraph.

                Insert: "1.3.3 EXCLUSIVE USE." before the third paragraph.

                Add a new section 1.3.4 as follows:

        1.3.4   SOFTWARE FEES.

                (a)     Manager acknowledges that Sprint PCS administers the
        testing and implementation of the Software (I.E., pushing of the
        Software) into the Service Area Network.

                (b)     Sprint PCS, when obtaining software for its own use that
        is identical to the Software, will use commercially reasonable efforts
        to obtain a license from vendors providing for the right of Manager to
        use the Software in connection with telecommunications equipment
        manufactured by the vendor (collectively the software obtained by Sprint
        PCS for its own use and the Software that operates on telecommunications
        equipment manufactured by the vendor are for purposes of this section
        1.3.4, the "VENDOR SOFTWARE"; when the term "Vendor Software" is used
        with respect to Manager, it means only the Software, and not the
        software used only by Sprint PCS).

                (c)     Manager will arrange independently with the vendor to
        obtain a license if Sprint PCS cannot reasonably obtain a license for
        Manager. Any license that Manager obtains from a vendor must require the
        Vendor Software to be tested in Sprint PCS test beds by Sprint PCS and
        require Sprint PCS, not the vendor or Manager, to push the Vendor
        Software to the Service Area Network unless Sprint PCS otherwise
        consents in advance in writing, in each case, at no cost to Manager.
        Sprint PCS agrees to test the Vendor Software in Sprint PCS test beds
        within a reasonable period after Manager reasonably requests the tests
        in writing.

                (d)     Sprint PCS will:

                                (i)     notify Manager in writing at least 60
                        days before the date of an automatic renewal of, or
                        Sprint PCS' unilateral act to renew or extend, an
                        agreement that provides Sprint PCS the right to use the
                        Vendor Software, or

                                (ii)    use reasonable efforts to notify Manager
                        in writing before the date Sprint PCS intends to start
                        negotiations with a vendor regarding extension, renewal,
                        pricing or other material terms relating to Sprint PCS'
                        and Manager's right to use the Vendor Software (whether
                        for new Software or renewal of an existing license), and
                        at least 60 days before the date Sprint PCS executes an
                        agreement, extension or renewal.

                The notice by Sprint PCS will include the material terms and
        conditions of any such agreement or negotiations to the extent known at
        the time of the notice, including the network elements to be covered by
        the right to use the Vendor Software. Manager must notify Sprint

                                        4
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        PCS in writing within 30 days after receiving the notice described in
        the first sentence of this section 1.3.4(d) if Manager wants Sprint PCS
        to attempt to obtain or continue the right for Manager to use the Vendor
        Software. Sprint PCS will renew or negotiate the agreement as if Manager
        will not be a user of the Vendor Software if Manager does not provide
        notice to Sprint PCS within the 30-day period. However, Sprint PCS may
        obtain pricing from the vendor for the Vendor Software that includes
        Manager as a user if obtaining the pricing does not obligate Manager to
        be a user.

                Sprint PCS will advise Manager from time to time of the status
        of the Software negotiations if Manager requested Sprint PCS to obtain
        or continue the right for Manager to use the Vendor Software under
        Sprint PCS' agreement with the vendor. Sprint PCS will use reasonable
        efforts to give Manager notice of the final pricing for the right to use
        the Vendor Software no less than 20 days before the expected execution
        or renewal of the agreement; provided that, in any event, Sprint PCS
        will give Manager notice of the final pricing no less than 3 Business
        Days before the expected execution or renewal of the agreement. If
        necessary, Manager agrees to use commercially reasonable efforts to
        enter into a nondisclosure agreement with the vendor to facilitate
        providing such final pricing to Manager.

                Manager may give Sprint PCS notice by the time set forth in
        Sprint PCS' notice to Manager (which time will not be less than 10
        Business Days) that Manager does not intend to use the Vendor Software
        through the agreement between Sprint PCS and the vendor. If Manager does
        not give this final notice to Sprint PCS, Manager is deemed to agree to
        be a user of the Vendor Software through the agreement between Sprint
        PCS and the vendor and will pay the Allocable Software Fee (as defined
        below). Within 15 Business Days after execution of an agreement between
        Sprint PCS and the vendor, Sprint PCS will provide to Manager a forecast
        of Manager's Allocable Software Fee, the estimated payment due dates
        relating to the Allocable Software Fee, and the proportion of Manager's
        Allocable Software Fee forecast to be due on each payment due date.

                Sprint PCS does not have to obtain a license for Vendor Software
        for Manager, even if Manager requests Sprint PCS to obtain such license,
        if at any time before execution of the agreements granting the license
        Sprint PCS reasonably believes that Manager is more likely than not to
        unreasonably refuse to pay the Allocable Software Fee or Sprint PCS
        reasonably believes that the Manager is in such financial condition that
        Manager is more likely than not to be unable to pay the Allocable
        Software Fee.

                If Manager accepts the Vendor Software, Sprint will give Manager
        Manager's proportional share of (i) any cash benefits relating
        specifically to the Vendor Software that Sprint PCS obtains from the
        vendor, and (ii) to the extent reasonably able to be made available to
        Manager, other benefits, including training, relating specifically to
        the Vendor Software.

                (e)     Sprint PCS will pay all Software Fees relating to the
        Vendor Software to the vendor if Sprint PCS obtains a license from the
        vendor that provides Manager the right to use the Vendor Software and
        Manager agrees to pay any applicable Allocable Software Fee in
        accordance with this section 1.3.4(e). Manager will be deemed to agree
        to pay any applicable Allocable Software Fee if both:

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                                (i)     Manager has not taken the action
                        described in paragraph (d) above to decline obtaining
                        the right to use the Vendor Software through the
                        agreement between Sprint PCS and the vendor, and

                                (ii)    Sprint PCS obtains a license providing
                        for the right of Manager to use the Vendor Software.

                Manager will pay Sprint PCS the Allocable Software Fee within 30
        days after receipt of an invoice in the event that clauses (i) and (ii)
        of section 1.3.4(e) above are satisfied. Sprint PCS will invoice Manager
        only after Sprint PCS pays the underlying Software Fee to the vendor.
        The Allocable Software Fee will not include any amount for Software that
        is the same as or functionally equivalent to any Software (y) that is a
        component of any service for which a fee is charged under the Services
        Agreement or (z) for which Sprint PCS otherwise charges Manager under
        this agreement.

                Sprint PCS will calculate the "ALLOCABLE SOFTWARE FEE" as
        follows:

                        For each vendor, multiply:

                                (i)     the Net Software Cost of the Software
                        Fees attributable to the Vendor Software for which
                        Sprint PCS has obtained for itself, Manager and Other
                        Managers a license or other right to use, by

                                (ii)    the quotient of:

                                        (A)     the number of Customers and
                                Reseller Customers with an NPA-NXX assigned to
                                the Service Area that are assigned to a system
                                using the Vendor Software, as reported in the
                                most recent monthly report that Sprint PCS
                                issues before the date that Sprint PCS prepares
                                an Allocable Software Fee invoice, divided by:

                                        (B)     the number of Customers and
                                Reseller Customers that are assigned to any
                                system using the Vendor Software, as reported in
                                the most recent monthly report that Sprint PCS
                                issues before the date that Sprint PCS prepares
                                an Allocable Software Fee invoice.

                (f)     Sprint PCS will include with the invoice for the
        Allocable Software Fee a list of the component charges, if available
        from the Vendor. The Software Fees that Sprint PCS pays to the vendor
        will reflect rates no greater than commercial rates negotiated at arms'
        length. For purposes of clarification, the parties acknowledge the
        vendor may insist on a comprehensive fee without listing each component,
        but rather asserting that the fee covers all software necessary to
        operate the equipment. But Sprint PCS will provide to Manager a
        description of all the features and functionality in reasonable detail
        for all Software for which Manager is to pay an Allocable Software Fee.

                                        6
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                (g)     Manager will not be charged the Allocable Software Fee
        for the Vendor Software after Manager:

                                (i)     notifies Sprint PCS in writing within
                        the periods allowed in section 1.3.4(d) that Manager
                        declines to have Sprint PCS obtain a right for Manager
                        to use the Vendor Software or that it does not intend to
                        use the Vendor Software,

                                (ii)    obtains its own license providing for
                        Manager's right to use the Vendor Software, and

                                (iii)   complies with the requirements of
                        section 1.3.4(h).

                (h)     Manager will obtain its own license providing for
        Manager's right to use the Vendor Software from the vendor if Manager
        elects not to have Sprint PCS attempt to obtain a right for Manager to
        use the Vendor Software under section 1.3.4(d). Manager will notify
        Sprint PCS in writing and deliver to Sprint PCS within 10 Business Days
        after Manager's execution of Manager's separate license, a signed
        document from the vendor confirming that:

                                (i)     the vendor has provided Manager a
                        separate license for the necessary software and the term
                        of that license, which term with appropriate renewal
                        rights, must be at least as long as the license Sprint
                        PCS has from the vendor,

                                (ii)    the fees paid by Manager to the vendor
                        reflect commercial rates negotiated at arms' length,

                                (iii)   the Vendor Software covered by Manager's
                        license provides the usage and functionality necessary
                        for Manager to operate the Service Area Network in
                        compliance with the Sprint PCS Technical Program
                        Requirements, and

                                (iv)    the Vendor Software may be tested in
                        Sprint PCS test beds by Sprint PCS and will be pushed to
                        the Service Area Network by Sprint PCS, not the vendor
                        or Manager, unless Sprint PCS otherwise consents in
                        advance in writing, in each case, at no cost to Manager.
                        Sprint PCS agrees to test the Vendor Software in Sprint
                        PCS test beds within a reasonable period after Manager
                        reasonably requests in writing.

        2.      INTERCONNECTION [NEW]. Section 1.4 is amended and restated in
its entirety to read as follows:

                If Manager desires to interconnect a portion of the Service Area
        Network with another carrier and Sprint PCS can interconnect with that
        carrier at a lower rate, then to the extent that applicable laws,
        tariffs and agreements permit, Sprint PCS will use commercially
        reasonable efforts to arrange for the interconnection under its
        agreements

                                        7
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        with the carrier within a commercially reasonable period. Sprint PCS
        will bill the interconnection fees to Manager at actual cost.

        3.      FORECASTING [NEW]. Section 1.6 is amended and restated in its
entirety to read as follows:

                1.6     FORECASTING. Manager and Sprint PCS will work
        cooperatively to generate mutually acceptable forecasts of important
        business metrics that they agree upon. The forecasts are for planning
        purposes only and do not constitute either party's obligation to meet
        the quantities forecast.

        4.      FINANCING [NEW, ADDM III, SECTION2(a) AND ADDM IV, SECTION8;
REVISED BY THIS ADDENDUM]. Section 10 of Addendum I is deleted. Additionally,
section 1.7 is amended to read as follows:

                1.7     FINANCING. The construction and operation of the Service
        Area Network requires a substantial financial commitment by Manager. The
        manner in which Manager will finance the build-out of the Service Area
        Network and provide the necessary working capital to operate the
        business is described in detail on EXHIBIT 1.7. Manager will allow
        Sprint PCS an opportunity to review before filing any registration
        statement or prospectus or any amendment or supplement thereto and
        before distributing any offering memorandum or amendment or supplement
        thereto, and agrees, subject to Manager's obligations under applicable
        law or regulation, not to file or distribute any such document if Sprint
        PCS reasonably objects in writing on a timely basis to any portion of
        the document that refers to Sprint PCS, its Related Parties, their
        respective businesses, this agreement or the Services Agreement.

                Manager will promptly send Sprint PCS a copy of all financial
        information Manager gives the Administrative Agent or any Lender.

        5.      FINANCING PLAN [NEW]. EXHIBIT 1.7 attached to this Addendum
replaces EXHIBIT 1.7 attached to Addendum IV.

        6.      INFORMATION [NEW]. A new section 1.9 is added to the Management
Agreement.

                1.9     ACCESS TO INFORMATION.

                        1.9.1   NETWORK OPERATIONS. Manager and Sprint PCS will
        have access to, and may monitor, record or otherwise receive,
        information processed through equipment, including switches, packet data
        switching nodes and cell site equipment, that relates to the provision
        of Sprint PCS Products and Services or to the provision of
        telecommunications services to Reseller Customers in the Service Area
        Network, if the access, monitoring, recording or receipt of the
        information is accomplished in a manner that:

                                (i)     Does not unreasonably impede Manager or
                        Sprint PCS from accessing, monitoring, recording or
                        receiving the information,

                                        8
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                                (ii)    Does not unreasonably encumber Manager's
                        or Sprint PCS' operations (including, without
                        limitation, Sprint PCS' real-time monitoring of the
                        Sprint PCS Network status, including the Service Area
                        Network),

                                (iii)   Does not unreasonably threaten the
                        security of the Sprint PCS Network,

                                (iv)    Does not violate any law regarding the
                        information,

                                (v)     Complies with technical requirements
                        applicable to the Service Area Network,

                                (vi)    Does not adversely affect any warranty
                        benefiting Manager or Sprint PCS (e.g., software
                        warranties), and

                                (vii)   With respect to the information
                        processed through Manager's equipment, including its
                        switches, does not result in a material breach of any
                        agreement regarding the information (E.G., national
                        security agreements).

                        Sprint PCS and Manager will immediately notify the other
        party and reasonably cooperate to establish new procedures for allowing
        both Manager and Sprint PCS to access, monitor, record and receive the
        information in a manner that meets the criteria in clauses (i) through
        (vii) above if either Manager or Sprint PCS reasonably determines that
        the other party is accessing, monitoring, recording or receiving the
        information described in this section 1.9.1 in a manner that does not
        meet the criteria in clauses (i) through (vii) above.

                        Manager owns the information regarding the performance
        of its equipment. Each of Manager and Sprint PCS may use the information
        obtained under this section 1.9.1 for any reasonable internal business
        purpose, during the term of and after termination of this agreement, the
        Services Agreement and the Trademark License Agreements, so long as the
        use would be in accordance with those agreements if those agreements
        were still in effect.

                        1.9.2   CUSTOMER INFORMATION. Manager is entitled to
        receive information Sprint PCS accesses, monitors, records or receives
        concerning the Service Area Network or the Customers with NPA-NXXs
        assigned to Manager's Service Area, subject to the terms of this section
        1.9.2 and section 1.9.3 and Manager's compliance with CPNI requirements
        and any other legal requirements applicable to the information.

                        Sprint PCS will provide the information in the format
        that Manager requests at no additional charge to Manager if Sprint PCS
        accesses, monitors, records, receives or reports for its own use the
        information specific to Manager that Manager

                                        9
<Page>

        requests in the same format as Manager requests. Sprint PCS will use
        commercially reasonable efforts to provide the information within 5
        Business Days.

                        Sprint PCS will provide the information in the format
        that Manager requests if Sprint PCS accesses, monitors, records,
        receives or reports for its own use the information that Manager
        requests, but not in the same format that Manager requests, if Manager
        agrees to pay or reimburse Sprint PCS for the costs Sprint PCS
        reasonably incurs. Sprint PCS will use commercially reasonable efforts
        to provide the requested information within 15 Business Days.

                        If Sprint PCS accesses, monitors, records or receives
        the information requested by Manager, but not in the same format that
        Manager requests, then Sprint PCS will provide the requested information
        as raw data, if:

                        (i) Sprint PCS chooses not to provide the information as
        described in the preceding paragraph, and

                        (ii) Manager agrees to pay or reimburse Sprint PCS for
        the costs Sprint PCS reasonably incurs.

        Sprint PCS will use commercially reasonable efforts to provide the raw
        data within 15 Business Days.

                        Sprint PCS owns the information regarding the Customers.
        Each of Manager and Sprint PCS may use the information obtained under
        this section 1.9.2 during the term of and after termination of this
        agreement, the Services Agreement and the Trademark License Agreements
        so long as the use would be in accordance with those agreements if those
        agreements were still in effect.

                1.9.3   LIMITATIONS AND OBLIGATIONS. Sprint PCS does not
        have to provide any information that Manager reasonably requests under
        this agreement or the Services Agreement that:

                                (i)     Manager can obtain itself in accordance
                        with section 1.9.1 (if Sprint PCS has provided Manager
                        with any necessary specifications requested by Manager
                        as to how to obtain the information), unless Sprint PCS
                        already has the information in its possession and has
                        not previously delivered it to Manager,

                                (ii)    Sprint PCS no longer maintains,

                                (iii)   Manager has already received from Sprint
                        PCS or its Related Parties,

                                (iv)    Sprint PCS does not access, monitor,
                        record, receive or report, or

                                       10
<Page>

                                (v)     Sprint PCS must make system
                        modifications to provide the raw data, including without
                        limitation modifying or adding data fields or modifying
                        code.

                Sprint PCS will provide Manager a copy of the then-current
        Sprint PCS document retention policy from time to time.

                1.9.4   CONTRACTS. Sprint PCS will disclose to Manager the
        relevant terms and conditions of any agreement between Sprint PCS and
        any third party:

                                (i)     with which Manager must comply, directly
                        or indirectly, under the Management Agreement, the
                        Services Agreement or any Program Requirement,

                                (ii)    from which Manager is entitled to any
                        benefit, or

                                (iii)   that relate to any pass-through amounts
                        that Sprint PCS charges Manager under this agreement or
                        Settled-Separately Manager Expenses under the Services
                        Agreement.

        In each case Sprint PCS' disclosure will be in sufficient detail to
        enable Manager to determine the obligations or benefits with which
        Manager must comply or benefit or the charges or expenses to be paid by
        Manager. Sprint PCS may provide to Manager copies of the agreements or
        the relevant terms and conditions of such agreements in electronic
        format upon notice to Manager, including by posting the copies or
        relevant terms and conditions to a secure website to which Manager has
        access. Once each calendar year and from time to time when a change is
        effected to any relevant term or condition, Manager may request copies
        of the agreements that are not posted to the secure website or whose
        relevant terms and conditions are not posted to the secure website.

        Sprint PCS will provide a copy of the agreement to Manager to the extent
        permissible by the terms of the agreement. Sprint PCS will allow Manager
        or its representatives to review a copy of the agreement to the extent
        permissible by the agreement if the agreement prohibits Sprint PCS from
        providing Manager a copy. Sprint PCS will satisfy the requirements of
        this section 1.9.4 if it chooses to provide a copy of the agreement in
        electronic form on a server that Sprint PCS designates. Sprint PCS will
        use commercially reasonable efforts to obtain the right from the third
        party, if required, to provide a complete copy to Manager of any
        agreement between Sprint PCS and any third party of the type described
        in this section 1.9.4.

        7.      MOST FAVORED NATION [NEW]. A new section 1.10 is added to the
Management Agreement:

                1.10    SUBSEQUENT AMENDMENTS TO OTHER MANAGERS' MANAGEMENT
        AGREEMENTS AND SERVICES AGREEMENTS. Manager has the right to amend the
        terms in its Management Agreement and Services Agreement as described in
        this section 1.10 if

                                       11
<Page>

        during the period beginning on the date of this Addendum and ending
        December 31, 2006, any of the terms of a 3M-pops Manager's Management
        Agreement or Services Agreement are amended in any manner for any reason
        to be more favorable to the 3M-pops Manager than the terms of Manager's
        Management Agreement or Services Agreement are to Manager, subject to
        the following:

                        (a)     Manager must elect to accept all, but not less
                than all, of the terms of the 3M-pops Manager's Management
                Agreement and Services Agreement agreed to since the Effective
                Date (including accepting existing terms that relate to the
                changes or terms that were previously changed and not previously
                accepted by Manager but that remain a part of the latest version
                of the 3M-pops Manager's agreement) (collectively, but excluding
                the changes described in paragraphs (b) and (c) below, the
                "OVERALL CHANGES").

                        (b)     Manager will not be required to accept any
                changes involving payment of specific disputed amounts arising
                under the Management Agreement or Services Agreement of the
                3M-pops Manager, and

                        (c)     No amendments in Manager's Management Agreement
                and Services Agreement will be made to reflect changes made in a
                3M-pops Manager's Management Agreement and Services Agreement if
                such changes are:

                                (i)     made solely because the 3M-pops Manager
                        owns spectrum on which all or a portion of its network
                        operates, unless the 3M-pops Manager acquired this
                        spectrum from Sprint PCS or its Related Parties after
                        the Effective Date, or

                                (ii)    compelled by a law, rule or regulation
                        that applies to the 3M-pops Manager, but not to Manager,
                        or

                                (iii)   made solely to modify the build-out
                        plan.

                Sprint PCS will prepare and deliver to Manager either an
        addendum containing the Overall Changes that have been made to the
        3M-pops Manager's agreements in all of its addenda or copies of the
        3M-pops Manager's amended and restated Management Agreement, Services
        Agreement and Trademark License Agreements (in each case redacted to
        protect the identity of the 3M-pops Manager) within 10 Business Days
        after the effective date of the amendment or other instrument containing
        these changes. Manager then has 30 days to notify Sprint PCS that
        Manager wants the Overall Changes.

                If Manager does not notify Sprint PCS in this 30-day time period
        in writing that it wants the Overall Changes, no changes will be made in
        the agreements between Manager and Sprint PCS and Manager will be deemed
        to have waived its rights under this section 1.10 with respect to the
        Overall Changes.

                                       12
<Page>

                If Manager notifies Sprint PCS within the 30-day time period in
        writing that it wants the Overall Changes, Sprint PCS will prepare,
        execute and deliver to Manager an addendum reflecting the Overall
        Changes. The new addendum will have the same effective date as the
        addendum or the restated Management Agreement, Services Agreement and
        Trademark License Agreements between Sprint PCS and the 3M-pops Manager
        that gave rise to the new addendum. Manager will have 15 days to review
        the new addendum and notify Sprint PCS if Manager determines any
        inaccuracies are reflected in the new addendum. Sprint will correct
        those inaccuracies and provide a corrected new addendum to Manager
        within 10 Business Days after Manager's notification.

                No changes will be made in the agreements between Manager and
        Sprint PCS if Manager does not execute and return the signed addendum
        within 30 days after receipt of the signed addendum (or the corrected
        signed addendum, if applicable, pursuant to the previous paragraph), in
        which case Manager will be deemed to have waived its rights under this
        section 1.10 with respect to the Overall Changes contained in the
        addendum presented.

                If Manager and Sprint PCS disagree as to whether the terms of
        the signed addendum accurately reflect the Overall Changes, then the
        parties will submit to binding arbitration in accordance with section
        14.2, excluding the escalation process set forth in section 14.1. If the
        arbiter rules in favor of Manager, then Sprint PCS will make changes to
        the signed addendum that are necessary to reflect the arbiter's ruling
        and submit the revised signed addendum to Manager within 10 days after
        receipt of the arbiter's ruling. If the arbiter rules in favor of Sprint
        PCS, then Manager will execute the signed addendum as proffered to
        Manager within 10 days after Manager's receipt of the arbiter's ruling.

                The parties acknowledge that Sprint PCS can disclose to Manager
        who the 3M-pops Manager is that gave rise to the proposed addendum only
        if the 3M-pops Manager agrees to the disclosure.

        8.      BUILD-OUT [NEW]. (a) Exhibit 2.1 attached to this Addendum,
which exhibit is comprised of a table, narrative description and coverage maps,
supersedes Exhibit 2.1 attached to Addendum VI to the Management Agreement.

        (b) The following paragraph is added as the third paragraph in section
2.1 of the Management Agreement:

                "Manager has the exclusive option, exercisable in its sole
        discretion until September 30, 2005, to expand its Service Area to
        include Sault Ste. Marie, Michigan (BTA #409) and Petoskey, Michigan
        (BTA #345) (together the "MACKINAC BTAS"). If Manager desires to
        exercise its option to expand its Service Area to include the Mackinac
        BTAs, Manager must deliver to Sprint PCS a notice in the form of EXHIBIT
        8(b)(i) attached to this Addendum and complete the build-out as set
        forth on EXHIBIT 8(b)(ii)

                                       13
<Page>

        attached to this Addendum (the "MACKINAC BUILD-OUT") on or prior to
        September 30, 2005. Sprint PCS will not build-out its Service Area
        Network, or permit an Other Manager to build-out its Service Area
        Network, in the Mackinac BTAs prior to October 1, 2005. Upon completion
        of the Mackinac Build-Out by Manager, the list of BTAs in Manager's
        Service Area and Exhibit 2.1 will be updated to include the Mackinac
        BTAs. If Manager exercises this option but does not complete the
        Mackinac Build-Out by September 30, 2005, then the exercise of the
        option will become null and void, Manager's Service Area will not
        include either of the Mackinac BTAs and Sprint PCS will have no
        obligation to acquire any assets put into service by Manager in the
        Mackinac BTAs."

        9.      WIRELESS MOBILITY COMMUNICATIONS NETWORK [ADDM I, SECTION1]. The
first phrase of section 2.3 is replaced with the following language:

        Manager will be the only person or entity that is a manager or operator
        for Sprint PCS with respect to the Service Area and neither Sprint PCS
        nor any of its Related Parties will directly or indirectly own, operate,
        build or manage another wireless mobility communications network or sell
        Sprint PCS Products and Services in the Service Area so long as this
        agreement remains in full force and effect and there is no Event of
        Termination that has occurred giving Sprint PCS the right to terminate
        this agreement, except that:

        10.     COVERAGE ENHANCEMENT [NEW]. Section 2 of Addendum I is deleted.
Additionally, section 2.5 is amended and restated in its entirety to read as
follows:

                2.5     MANAGER'S RIGHT OF FIRST REFUSAL FOR NEW COVERAGE
        BUILD-OUT. Sprint PCS grants to Manager the right of first refusal to
        build-out New Coverage. Sprint PCS will give to Manager a written notice
        of a New Coverage within the Service Area that Sprint PCS decides should
        be built-out. Manager must communicate to Sprint PCS within 90 days
        after receipt of the notice whether it will build-out the New Coverage,
        otherwise Manager's right of first refusal terminates with regard to the
        New Coverage described in the notice.

                If Manager decides to build-out the New Coverage, then Manager
        and Sprint PCS will diligently negotiate and execute an amendment to the
        Build-out Plan and proceed as set forth in sections 2.1 and 2.2. The
        amended Build-out Plan will contain critical milestones that provide
        Manager a commercially reasonable period in which to implement coverage
        in the New Coverage. In determining what constitutes a "commercially
        reasonable period" as used in this paragraph, the parties will consider
        several factors, including local zoning processes and other legal
        requirements, weather conditions, equipment delivery schedules, the need
        to arrange additional financing, and other construction already in
        progress by Manager. Manager will construct and operate the network in
        the New Coverage in accordance with the terms of this agreement.

                If Manager declines to exercise its right of first refusal or
        Manager fails to build out the New Coverage in accordance with the
        amended Build-out Plan, then Sprint PCS may construct the New Coverage
        itself or allow a Sprint PCS Related Party or an Other

                                       14
<Page>

        Manager to construct the New Coverage on terms and conditions that are
        no more favorable than those that were offered to and rejected by
        Manager. If (x) neither Sprint PCS, a Sprint PCS Related Party, nor any
        third party (with respect to such third party, on terms and conditions
        that are no more favorable than those that were offered to and rejected
        by Manager) commits to build-out such New Coverage within 150 days of
        the original communication to Manager with respect thereto, or (y) more
        favorable terms and conditions than those that were offered to and
        rejected by Manager are offered to any third party to build-out the New
        Coverage, then any build-out of such New Coverage shall again be subject
        to Manager's right of first refusal (and, if applicable, on such more
        favorable terms and conditions).

                Sprint PCS has the right, in a New Coverage that it constructs
        or that is constructed by a third party, to manage the network, allow a
        Sprint PCS Related Party to manage the network, or hire an Other Manager
        to operate the network in the New Coverage. Any New Coverage that Sprint
        PCS or a third party builds out is deemed removed from the Service Area
        and the SERVICE AREA EXHIBIT is deemed amended to reflect the change in
        the Service Area.

                If Manager does not exercise its right of first refusal with
        respect to a New Coverage, Manager's right of first refusal does not
        terminate with respect to the remainder of the Service Area.

                At Manager's request, Sprint PCS and Manager will discuss
        Manager's interest in expanding its Service Area and its build-out plans
        with respect to the expanded area.

        11.     MICROWAVE RELOCATION AND COSTS [NEW]. The last sentence of
section 2.7 of the Management Agreement is replaced with the following language:

        Sprint PCS will use reasonable efforts to notify Manager in writing at
least 30 days before it begins clearing spectrum for which Manager will be
obligated for any clearing costs under this section. The parties will share
equally all costs associated with clearing sufficient spectrum to operate the
Service Area Network. If, in the process of clearing sufficient spectrum, Sprint
PCS relocates microwave paths on adjacent spectrum, the cost of clearing the
entire range of spectrum will be shared equally. Sprint PCS will reimburse
Manager in proportion to the amount Manager paid to clear the spectrum if Sprint
PCS receives any reimbursement from a third party for the costs of clearing
spectrum.

        12.     LONG-DISTANCE PRICING [NEW]. Section 3 of Addendum I and section
9 of Addendum III are deleted. Additionally, section 3.4 of the Management
Agreement is amended and restated in its entirety to read as follows:

                3.4     IXC SERVICES.

                3.4.1.  CUSTOMER LONG DISTANCE. Sprint PCS and Manager will from
        time to time mutually define local calling areas in the Service Areas of
        Manager that Sprint PCS and Manager will use to determine when a
        customer will be billed for a "long distance call"

                                       15
<Page>

        under the applicable rate plan of the Customer. The parties acknowledge
        that these local calling areas (i) may change in geographic scope in
        response to competitive pressures or perceived market opportunities, and
        (ii) may not be able to be changed because of regulatory, industry, or
        system limitations. The parties will not use local calling areas to
        determine "long distance telephony services" under section 3.4.2. If the
        parties cannot agree on the extent of the local calling area they will
        resolve the matter through the dispute resolution process in section 14.

                3.4.2.  LONG DISTANCE SERVICES

                (a) REQUIRED PURCHASE. Manager must obtain (i) long-distance
        telephony services through Sprint PCS or its Related Parties to provide
        long-distance service to users of the Sprint PCS Network and (ii)
        telephony services through Sprint PCS or its Related Parties to connect
        the Service Area Network with the national platforms that Sprint PCS
        uses to provide services to Manager under this agreement or the Services
        Agreement. The term "long distance telephony service" means any
        inter-LATA call for purposes of this section 3.4.2 as it relates to
        long-distance telephony services provided to users of the Sprint PCS
        Network.

                (b) PRICING AND PROCEDURE. Sprint PCS will purchase for Sprint
        PCS, Manager and Other Managers long-distance telephony services used in
        the Sprint PCS Network from Sprint Communications Company L.P. or its
        Related Parties ("SCCLP"). Sprint PCS will purchase these long-distance
        telephony services at a price and terms at least as favorable to Sprint
        PCS, Manager and the Other Managers (considering Sprint PCS, Manager and
        the Other Managers as a single purchaser) as the best prices and terms
        SCCLP offers to any wholesale customer of SCCLP in similar situations
        when taking into account all relevant factors (E.G., volume,
        peak/off-peak usage, length of commitment). Sprint PCS will pay the
        invoice from SCCLP, except for items that SCCLP directly bills under
        section 3.4.2(c). Sprint PCS will bill to Manager as an activity settled
        separately under the Services Agreement the portion of the fees billed
        to Sprint PCS that relate to Manager's operations and the activity of
        all Customers and Reseller Customers in the Service Area, except for
        items SCCLP directly bills under section 3.4.2(c).

                If Sprint Corporation no longer has its "PCS" tracking stock,
        Sprint PCS will include the volume of long-distance telephony services
        of Manager and Other Managers with the volume of Sprint PCS when
        negotiating the Sprint PCS rate with the long distance division of
        Sprint Corporation (currently SCCLP). The long distance division will
        continue to provide long-distance telephony services to Sprint PCS for a
        price and upon terms based on the same relevant factors described in the
        preceding paragraph and in the same manner that it has under the present
        tracking stock policy.

                (c) CALL ROUTING. Manager, acting as a single purchaser, may
        purchase private line capacity (or other forms of capacity) from SCCLP
        for inter-LATA calls to the extent that this capacity can be obtained on
        terms more favorable to Manager (acting as a single purchaser). SCCLP
        will sell that capacity to Manager at the best price that SCCLP offers

                                       16
<Page>

        to third parties in similar situations when taking into account all
        relevant factors. SCCLP will directly bill Manager for any purchase of
        capacity under this section 3.4.2(c). The terms of section 1.3 do not
        apply to purchases of capacity in this section 3.4.2(c).

                (d) PRE-EXISTING AGREEMENT. If (i) before the date Addendum VIII
        to this agreement is signed, Manager is bound by an agreement for long
        distance services or an agreement for private line service and the
        agreement was not made in anticipation of this agreement or Addendum
        VIII or (ii) before January 1, 2005, Manager enters into (or is
        otherwise caused to be bound by) an agreement for long distance services
        or an agreement for private line service (in either case related to
        backhaul) in connection with Manager's least-cost routing project being
        managed by CHR Solutions, and the agreement was not made in anticipation
        of this agreement or Addendum VIII, then the requirements of this
        section 3.4.2 do not apply during the term of the other agreement. If
        the other agreement terminates for any reason, then the requirements of
        this section 3.4.2 do apply from and after the termination.

                (e) RESALE. Manager may not resell the long-distance telephony
        services acquired under this section 3.4.2. For purposes of
        clarification, resale under this section 3.4.2(e) includes Manager
        selling minutes to carriers for ultimate resale to end users under a
        brand other than "Sprint" or selling minutes to end users under a brand
        other than "Sprint". Manager may engage in the following activities
        (I.E., these activities are not treated as resale of long-distance
        telephony services):

                    (1) the transport of long-distance calls for Customers under
                section 3.4.2(a),

                    (2) the transport of long-distance calls for resellers under
                section 3.5, and

                    (3) the transport of long-distance calls for roaming under
                section 4.3.

                (f) SPRINT RURAL ALLIANCE PROGRAM. The rights and obligations of
        Manager, if any, for the provision of long distance telephony services
        for Sprint Rural Alliance program participants will be set forth in a
        separate agreement.

        13.     VOLUNTARY RESALE OF PRODUCTS AND SERVICES [ADDM III, SECTION10].
The second sentence of the second paragraph of section 3.5.2 is amended to read
as follows: "If Manager wants handsets of subscribers of resellers with NPA-NXXs
of Manager to be activated, Manager must agree to comply with the terms of the
program, including its pricing provisions."

        14.     INTRA-LATA CALLS AND BACKHAUL SERVICES [NEW]. Section 11 of
Addendum III is deleted. Additionally, section 3.7 is amended and restated in
its entirety to read as follows:

                3.7     INTRA-LATA CALLS AND BACKHAUL SERVICES. Manager, acting
        as a single purchaser, may purchase capacity (including private line
        capacity) from SCCLP for intra-LATA calls and backhaul services. SCCLP
        will sell that capacity to Manager at the best price that SCCLP offers
        to third parties in similar situations when taking into account all
        relevant factors.

                                       17
<Page>

                Manager will offer to Sprint PCS or one of its Related Parties
        the right to make to Manager the last offer to provide capacity for
        intra-LATA calls and backhaul services for the Service Area Network if:

                                (i)     Manager decides to use third parties for
                        intra-LATA calls and backhaul services rather than
                        self-provisioning the capacity or purchasing the
                        capacity from Related Parties of Manager, and

                                (ii)    Sprint PCS or one of its Related Parties
                        has provided evidence to Manager that SCCLP or one of
                        its Related Parties has facilities to provide the
                        capacity requested.

        Manager will deliver to Sprint PCS the terms under which the third party
        will provide the capacity. Sprint PCS or one of its Related Parties will
        have a reasonable time to respond to Manager's request for last offer to
        provide pricing for capacity for intra-LATA calls and backhaul, which
        will be no greater than 5 Business Days after receipt of the request for
        the pricing and the third party's terms from Manager. Manager will
        acquire capacity for intra-LATA calls and backhaul services from Sprint
        PCS or one of its Related Parties if Sprint PCS or one of its Related
        Parties offers Manager pricing and other terms for intra-LATA calls and
        backhaul services for the Service Area Network that matches the terms,
        including pricing, or is better than the terms and lower than the
        pricing offered by the third party. For purposes of this section 3.7,
        the term "backhaul" means the provision of services from a cell site of
        Manager to the corresponding switch associated with the cell site.

                If Manager has an agreement for these services that is either
        (i) in effect as of the date Addendum VIII is signed and the agreement
        was not made in anticipation of this agreement or Addendum VIII or (ii)
        related to backhaul and entered into before January 1, 2005 in
        connection with Manager's least-cost routing project being managed by
        CHR Solutions and the agreement was not made in anticipation of this
        agreement or Addendum VIII, then the requirements of this section 3.7 do
        not apply during the term of the other agreement. If the other agreement
        terminates for any reason, then the requirements of this section 3.7 do
        apply from and after the termination.

        15.     SPRINT PCS ROAMING AND INTER SERVICE AREA PROGRAM REQUIREMENTS
[NEW]. The second paragraph of section 4.3 is amended to read as follows:

                Section 10.4.1 sets forth the settlement process that
        distributes between the members making up the Sprint PCS Network (I.E.,
        Sprint PCS, Manager and all Other Managers) a fee for use of the Sprint
        PCS Network and the Service Area Network (the "INTER SERVICE AREA FEE").

        16.     CHANGES TO PROGRAM REQUIREMENTS [NEW].

        (a)     The first sentence of section 9.2(e) is amended to read as
                follows:

                                       18
<Page>

                Manager must implement any changes in the Program Requirements
        within a commercially reasonable period of time unless Sprint PCS
        otherwise consents, subject to section 9.3.

        (b)     Section 9.3 is amended and restated in its entirety to read as
                follows:

                9.3     MANAGER'S RIGHTS REGARDING CHANGES TO PROGRAM
                        REQUIREMENTS.

                9.3.1   PARAMETERS FOR REQUIRED PROGRAM REQUIREMENT
                        IMPLEMENTATION. (a)
                Manager may, without being in default of this Agreement, decline
        to implement a Non-Capital Program Requirement Change if Manager
        determines that the Non-Capital Program Requirement Change will satisfy
        any of the following tests:

                                (A)     individually cause the combined peak
                        negative cash flow of Manager to be an amount greater
                        than 3% of Manager's Ultimate Parent's Enterprise Value,
                        or

                                (B)     when combined with original assessments
                        made under clause (A) above of all other Program
                        Requirement Changes that Sprint PCS announced and
                        Manager agreed to implement or Manager otherwise was
                        required to implement in accordance with section
                        9.3.1(c), 9.3.3 or 9.3.4, both within the preceding 12
                        calendar months, cause the combined cumulative peak
                        negative cash flow of Manager to be an amount greater
                        than 5% of Manager's Ultimate Parent's Enterprise Value,
                        or

                                (C)     individually cause a decrease in the
                        forecasted 5-year discounted cash flow of Manager's
                        Ultimate Parent (at Manager's Ultimate Parent's
                        appropriate discount rate) of more than 3% on a combined
                        net present value basis, or

                                (D)     when combined with original assessments
                        made under clause (C) above of all other Program
                        Requirement Changes that Sprint PCS announced and
                        Manager agreed to implement or Manager otherwise was
                        required to implement in accordance with sections
                        9.3.1(c), 9.3.3 and 9.3.4, both within the preceding 12
                        calendar months, cause a decrease in the forecasted
                        5-year discounted cash flow of Manager's Ultimate Parent
                        (at Manager's Ultimate Parent's appropriate discount
                        rate) of more than 5% on a combined net present value
                        basis.

                The term "NON-CAPITAL PROGRAM REQUIREMENT CHANGE" means a
        Program Requirement Change that does not require Manager to make any
        capital expenditures in excess of 5% of Manager's capital budget as
        approved by the Manager's board of directors for the fiscal year in
        which the Program Requirement Change is requested, but does not include
        changes to the Trademark Usage Guidelines, the Marketing Communications
        Guidelines, and the Sprint PCS National or Regional Distribution Program
        Requirements.

                                       19
<Page>

        If Manager declines to implement any Non-Capital Program Requirement
        Change, Manager must give Sprint PCS within 10 Business Days after
        Sprint PCS provides Manager with notice of the Program Requirement
        Change:

                                (i)     written notice that Manager declines to
                        implement the Non-Capital Program Requirement Change,
                        and

                                (ii)    a written assessment of the impact of
                        the Non-Capital Program Requirement Change on Manager
                        using the parameters set forth in subparagraphs (A)
                        through (D) above.

                (b)     Manager may, without being in default of this Agreement,
        decline to implement any Capital Program Requirement Change if Manager
        determines that the Capital Program Requirement Change will satisfy any
        of the following tests:

                                (A)     have a negative net present value
                        applying a 5-year discounted cash flow model, or

                                (B)     individually cause the combined peak
                        negative cash flow of Manager to be an amount greater
                        than 3% of Manager's Ultimate Parent's Enterprise Value,
                        or

                                (C)     when combined with original assessments
                        made under clause (B) above of all other Program
                        Requirement Changes that Sprint PCS announced and
                        Manager agreed to implement or Manager otherwise was
                        required to implement in accordance with sections
                        9.3.1(c), 9.3.3 and 9.3.4, both within the preceding 12
                        calendar months, cause the combined cumulative peak
                        negative cash flow of Manager to be an amount greater
                        than 5% of Manager's Ultimate Parent's Enterprise Value.

                The term "CAPITAL PROGRAM REQUIREMENT CHANGE" means any Program
        Requirement Change that requires an expenditure of capital by Manager
        that is greater than 5% of Manager's capital budget as approved by the
        Manager's board of directors for the fiscal year in which the Program
        Requirement Change is requested, but does not include changes to the
        Trademark Usage Guidelines, the Marketing Communications Guidelines, and
        the Sprint PCS National or Regional Distribution Program Requirements.

                If Manager declines to implement any Capital Program Requirement
        Change, Manager must give Sprint PCS within 10 Business Days after
        Sprint PCS provides Manager with notice of the Program Requirement
        Change:

                                (i)     written notice that Manager declines to
                        implement the Capital Program Requirement Change, and

                                (ii)    a written assessment of the impact of
                        the Capital Program Requirement Change on Manager using
                        the parameter set forth above.

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                Manager must implement a Capital Program Requirement Change if:

                                (i)     the capital requirement associated with
                        such Program Requirement Change is for a network
                        capacity expansion due to a change in a service plan,
                        provided that implementing the Program Requirement
                        Change will not exceed any of the parameters described
                        in section 9.3.1(a), or

                                (ii)    the capital requirement associated with
                        such Program Requirement Change is necessary to comply
                        with network performance standards required under this
                        agreement.

                (c)     If Manager has the right to decline a Program
        Requirement Change pursuant to sections 9.3.1(a) or (b), Sprint PCS may
        modify the scope of the Program Requirement Change in all or certain of
        Manager's markets to satisfy all of the tests set forth in 9.3.1(a) or
        (b), as applicable, for the entire Program Requirement Change, and
        Manager will implement the modified Program Requirement Change. Section
        9.3.2 governs any disagreement between the parties regarding the
        determination of the net present value of a Program Requirement Change.

                9.3.2.  DISAGREEMENT WITH ASSUMPTIONS OR METHODOLOGY. Sprint PCS
        must notify Manager of any disagreement with Manager's assumptions or
        methodology within 10 days after its receipt of Manager's assessment
        under section 9.3.1. Manager will not be required to implement the
        Program Requirement Change if Sprint PCS fails to notify Manager of any
        disagreement within this 10-day period unless Sprint PCS requires such
        compliance under section 9.3.3 below. Either party may escalate the
        review of the assumptions and methodology underlying the assessment to
        the parties' respective Chief Financial Officers if Sprint PCS disagrees
        with Manager's assessment and the parties are unable to agree on the
        assumptions and methodology within 20 days after Sprint PCS notifies
        Manager of the disagreement.

                The parties will mutually select an independent investment
        banker in the wireless telecommunications industry ("INVESTMENT BANKER")
        to determine whether the implementation of the Program Requirement
        Change will exceed one of the parameters if Sprint PCS and Manager are
        unable to agree on the assumptions and methodology to perform the
        calculations within 30 days after Sprint PCS notifies Manager of the
        disagreement. The American Arbitration Association will select the
        Investment Banker if the parties do not select the Investment Banker
        within 50 days after Sprint PCS notifies Manager of the disagreement.
        Sprint PCS and Manager will cooperate fully and provide all information
        that the Investment Banker reasonably requests. But any Investment
        Banker that the American Arbitration Association selects, and its
        investment bank, must have no current engagement with either Manager or
        Sprint PCS and must not have been engaged by either such party within
        the 12 calendar months preceding the engagement under this section. A
        business relationship between Manager or Sprint PCS and a commercial
        bank or other organization affiliated with an investment bank will not

                                       21
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        disqualify the investment bank. The Investment Banker will have 20 days
        from the date of engagement to make its decision.

                Manager will pay any Investment Banker's fees and implement the
        Program Requirement Change if the parties agree or the Investment Banker
        determines that implementing the Program Requirement Change will not
        exceed any of the parameters described in section 9.3.1.

                9.3.3   ONE OR MORE PARAMETERS EXCEEDED. Sprint PCS will pay the
        Investment Banker's fees if the parties agree or the Investment Banker
        determines that implementing the Program Requirement Change will exceed
        at least one of the parameters described in section 9.3.1. Sprint PCS
        may require Manager to implement the Program Requirement Change whether
        the parties agree or disagree or the Investment Banker determines that
        implementing the Program Requirement Change will exceed at least one of
        the parameters described in section 9.3.1, if Sprint PCS agrees to
        compensate Manager the amount necessary to prevent Manager from
        exceeding all of the applicable parameters set forth in section 9.3.1.

                9.3.4   CHANGES WITH RESPECT TO PRICING PLANS AND ROAMING
        PROGRAM REQUIREMENTS. Manager will implement a change with respect to
        the following in the manner requested by Sprint PCS, even if Manager
        determines that implementing the change will have an adverse impact on
        Manager that meets or exceeds the tests set forth in section 9.3.1(a) or
        section 9.3.1(b):

                                (i)     relates to a pricing plan under section
                        4.4 or a roaming program, and

                                (ii)    Sprint PCS reasonably determines must be
                        implemented on an immediate or expedited basis to
                        respond to competitive market forces.

                Manager's implementation of the change will not adversely affect
        Manager's right to object to the implementation of the change. Manager
        will continue to comply with the change if the parties agree or the
        Investment Banker determines (using the procedure described in section
        9.3.2) that implementing the change will not exceed any of the
        parameters described in section 9.3.1(a) or section 9.3.1(b). If Sprint
        PCS does not successfully challenge Manager's assessment of the adverse
        impact of the change on Manager in accordance with section 9.3.2, Sprint
        PCS can require Manager either to:

                                (i)     continue to comply with the change and
                        compensate Manager in the amount necessary to reimburse
                        Manager for any reasonable costs, expenses or losses
                        that Manager incurs as a result of its implementation of
                        the change net of any benefit that Manager receives, to
                        the extent the costs, expenses and losses net of the
                        benefits exceed the parameters set forth in section
                        9.3.1(a) or section 9.3.1(b), or

                                       22
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                                (ii)    terminate its continued compliance with
                        the change and compensate Manager in the amount
                        necessary to reimburse Manager for any reasonable costs,
                        expenses or losses that Manager incurs as a result of
                        its implementation of the change net of any benefit that
                        Manager receives.

                Manager cannot terminate its continued compliance if Sprint PCS
        elects to require Manager's continued compliance with the change under
        section 9.3.3 above.

        (c)     A new section 9.7 is added to the Management Agreement:

                9.7     REVIEW OF PROGRAM REQUIREMENTS; UNILATERAL CHANGES.

                        (a)     Within 120 days after the Effective Date of
                Addendum VIII Sprint PCS will review all outstanding Program
                Requirements to determine if they need to be revoked, amended or
                left in place. Any amendment to a Program Requirement will be
                implemented in accordance with section 9.2, subject to section
                9.3 with respect to amendments.

                        (b)     Sprint PCS and Manager will in good faith
                attempt to mutually agree on how to mitigate the adverse
                economic impact on Manager of the exercise of any unilateral
                right of Sprint PCS under this agreement, the Services Agreement
                and either Trademark License Agreement to the extent Manager
                believes such change will have a significant adverse economic
                impact on Manager's operations, except with respect to changes
                involving Sprint PCS National or Regional Distribution Program
                Requirements. For purposes of clarification, the parties intend
                the preceding sentence to obligate them to a robust discussion
                and open dialogue but understand the discussion and dialogue may
                not lead to any particular solution of the issues raised by
                Manager or Sprint PCS. By way of illustration, under the second
                preceding sentence if Manager believed that the exercise of the
                unilateral right to change the Trademark Usage Guidelines or the
                designation of Sprint PCS Products and Services had an adverse
                economic impact on Manager, then Manager and Sprint PCS will in
                good faith attempt to mutually agree on how to mitigate the
                adverse impact on Manager.

        (d)     A new section 9.8 is added to the Management Agreement.

                9.8     BREACH FOR FAILURE TO IMPLEMENT PROGRAM REQUIREMENT.

                Manager will be in material breach of a material term and Sprint
        PCS may exercise its rights under section 11 if Manager declines to
        implement a Program Requirement when required to do so under this
        agreement.

        17.     FEES [NEW]. Sections 4 and 13 of Addendum I are deleted.
Additionally Article 10 of the Management Agreement is amended and restated in
its entirety to read as follows:

                                    10.   FEES

                                       23
<Page>

                10.1    GENERAL. Sprint PCS and Manager will pay to each other
        the fees and apply the credits in the manner described in this section
        10. The amounts that Sprint PCS is paid or retains are for all
        obligations of Manager under this agreement. Many of the definitions for
        the fees in section 10.2 are found in section 10.3.

                10.2    FEES.

                        10.2.1  FEE BASED ON BILLED REVENUE. Sprint PCS will pay
        to Manager the Fee Based on Billed Revenue as determined in this section
        10.2.1.

                        "BILLED REVENUE" is all customer account activity (E.G.,
        all activity billed, attributed or otherwise reflected in the customer
        account but not including Customer Credits) during the calendar month
        for which the fees and payments are being calculated (the "BILLED
        MONTH") for Sprint PCS Products and Services related to all Customer
        accounts within a customer service area ("CSA") assigned to the Service
        Area, except (i) Outbound Roaming Fees, (ii) amounts handled separately
        in this section 10 (including the amounts in sections 10.2.3 through
        10.2.6, 10.4 and 10.8), (iii) amounts collected from Customers and paid
        to governmental or regulatory authorities (E.G., Customer Taxes and USF
        Charges), and (iv) other amounts identified in this agreement as not
        included in Billed Revenue (these Customer accounts being "MANAGER
        ACCOUNTS"). Within 30 days after signing this Addendum, Sprint PCS will
        provide Manager with a list of all revenue accounts included in Billed
        Revenue, and Sprint PCS will, as soon as reasonably practicable, provide
        Manager with updates to that list as it changes.

                        Billed Revenue does not include new activity billed to
        the Customer solely to recover costs incurred by Sprint PCS, Manager or
        both related solely to such new activity. Manager and Sprint PCS will
        share the revenues from this billing in proportion to the costs they
        incur.

                        For purposes of clarification, the parties have in place
        procedures to assign Customers to CSAs and expect those procedures to
        remain in place after the Effective Date.

                        If Sprint PCS or Manager develops products or services
        that bundle Sprint PCS Products and Services with other products or
        services (E.G., local service or broadband wireline service), then
        Sprint PCS and Manager will use commercially reasonable efforts to agree
        on the proper allocation of revenue, bad debt expenses, credits and
        promotions for the bundled products and services.

                        Sprint PCS will reasonably determine the amount of
        credits applied to Manager Accounts during the Billed Month ("CUSTOMER
        CREDITS").

                        "NET BILLED REVENUE" for a Billed Month is the amount of
        the Billed Revenue less the Customer Credits.

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                        The "FEE BASED ON BILLED REVENUE" for a Billed Month is
        equal to 92% of (a) Net Billed Revenue, less (b) the Allocated
        Write-offs for Net Billed Revenue.

                        10.2.2  OUTBOUND ROAMING FEE. Sprint PCS will pay to
        Manager a fee equal to the amount of Outbound Roaming Fees that Sprint
        PCS or its Related Parties bills to Manager Accounts, less the Allocated
        Write-offs for Outbound Roaming Fees. For purposes of clarification,
        Sprint PCS will settle separately with Manager the direct cost of
        providing the capability for the Outbound Roaming, including any amounts
        payable to the carrier that handled the roaming call and the
        clearinghouse operator for Outbound Roaming.

                        10.2.3  PHASE II E911 SURCHARGES. Sprint PCS will pay to
        Manager a fee equal to a portion of the E911 Phase II Surcharges
        (attributable to incremental costs for Phase II E911, including but not
        limited to related handset costs, routing costs, implementation costs,
        trunks and testing costs, and anticipated write-offs for bad debt)
        billed during the Billed Month to Customers with an NPA-NXX assigned to
        the Service Area, less the Allocated Write-offs for that portion of E911
        Phase II Surcharges in the Billed Month. The portion of the billed
        amount attributed to Manager will be based on Manager's proportional
        cost (as compared to Sprint PCS' proportional cost) to comply with Phase
        II of the E911 requirements. Sprint PCS will determine from time to time
        the rate billed to Customers related to Phase II E911 and the portion
        payable to Manager.

                        10.2.4  WIRELESS LOCAL NUMBER PORTABILITY SURCHARGES.
        Sprint PCS will pay to Manager a fee equal to a portion of the Wireless
        Local Number Portability Surcharges ("WLNP SURCHARGES") billed during
        the Billed Month to Customers with an NPA-NXX assigned to the Service
        Area, less the Allocated Write-offs for that portion of the WLNP
        Surcharges in the Billed Month. The portion of the billed amount
        attributed to Manager will be based on Manager's proportional cost (as
        compared to Sprint PCS' proportional cost) to comply with Wireless Local
        Number Portability requirements. Sprint PCS will determine from time to
        time the rate billed to Customers related to WLNP Surcharges and the
        portion payable to Manager.

                        10.2.5  CUSTOMER EQUIPMENT CREDITS. Sprint PCS will
        apply as a credit to any other fees under this section 10.2 owing by
        Sprint PCS to Manager an amount equal to the amount of the Customer
        Equipment Credits less the Allocated Write-offs for Customer Equipment
        Credits.

                        10.2.6  WRITE-OFFS FOR CUSTOMER EQUIPMENT CHARGES.
        Sprint PCS will apply as a credit to any other fees under this section
        10.2 owing by Sprint PCS to Manager an amount equal to the amount of the
        Allocated Write-offs for Customer Equipment Charges.

                10.3    DEFINITIONS USED IN FEE CALCULATIONS

                                       25
<Page>

                        10.3.1  WRITE-OFFS. Sprint PCS will determine the
        amounts written off net of deposits applied and net of recoveries (the
        "WRITE-OFFS") in the Sprint PCS billing system during the Billed Month
        relating to Manager Accounts.

                        10.3.2  BILLED COMPONENTS. Each of the following amounts
        is referred to as a "BILLED COMPONENT" and collectively they are
        referred to as the "BILLED COMPONENTS".

                                10.3.2.1   NET BILLED REVENUE. The amount
        determined as described in section 10.2.1.

                                10.3.2.2   CUSTOMER EQUIPMENT CREDITS. The
        reductions of amounts billed to Manager Accounts related to the sale of
        handsets and handset accessories from Sprint PCS inventory are referred
        to as "CUSTOMER EQUIPMENT CREDITS". This is a negative amount that
        reduces the Amount Billed (Net of Customer Credits).

                                10.3.2.3   100% AFFILIATE RETAINED AMOUNTS. The
        amounts referred to as "100% Affiliate Retained Amounts" on EXHIBIT
        10.3, to which Manager is entitled to 100% of the amounts that Customers
        are billed for such items.

                                10.3.2.4   100% SPRINT PCS RETAINED AMOUNTS. The
        amounts referred to as "100% Sprint PCS Retained Amounts" on EXHIBIT
        10.3, to which Sprint PCS is entitled to 100% of the amounts that
        Customers are billed for such items.

                                10.3.2.5   CUSTOMER EQUIPMENT CHARGES. The
        amounts that Sprint PCS bills to Manager Accounts for subscriber
        equipment and accessories sold or leased are referred to as "CUSTOMER
        EQUIPMENT CHARGES".

                                10.3.2.6   E911 PHASE II SURCHARGES. The amounts
        that Sprint PCS bills to Manager Accounts to recover all costs related
        to Phase II E911 functionality are referred to as "E911 PHASE II
        SURCHARGES".

                                10.3.2.7   USF CHARGES. The amounts that Sprint
        PCS bills to Manager Accounts relating to Universal Service Funds are
        referred to as "USF CHARGES".

                                10.3.2.8   WLNP SURCHARGES. The amounts that
        Sprint PCS bills to Manager Accounts to recover costs related to WLNP
        activities.

                        10.3.3  AMOUNT BILLED (NET OF CUSTOMER CREDITS). The
        "AMOUNT BILLED (NET OF CUSTOMER CREDITS)" for a Billed Month is equal to
        the sum of the Billed Components.

                        10.3.4  THE ALLOCATED WRITE-OFFS. The "ALLOCATED
        WRITE-OFFS" for all or a portion of a Billed Component in a Billed Month
        is the Write-offs for the Billed

                                       26
<Page>

        Month times the amount of the Billed Component (or portion thereof)
        divided by the Amount Billed (Net of Customer Credits).

                10.4    OTHER FEES AND PAYMENTS. Sprint PCS and Manager will pay
        to each other the fees and payments described below:

                        10.4.1  INTER SERVICE AREA FEES AND RESELLER CUSTOMER
        FEES.

                                10.4.1.1   INTER SERVICE AREA FEE AND RESELLER
        CUSTOMER FEE PAID. Manager will pay to Sprint PCS an Inter Service Area
        Fee as set forth in this section 10.4.1 for each billed minute or
        kilobyte of use that a Customer with an NPA-NXX assigned to the Service
        Area uses a portion of the Sprint PCS Network other than the Service
        Area Network. Sprint PCS will pay to Manager an Inter Service Area Fee
        for each billed minute or kilobyte of use that a Customer whose NPA-NXX
        is not assigned to the Service Area Network uses the Service Area
        Network.

                                Sprint PCS will pay to Manager for each billed
        minute or kilobyte of use that a Reseller Customer uses the Service Area
        Network (such fees are referred to in this agreement as "RESELLER
        CUSTOMER FEES"):

                                (a) with respect to agreements between Sprint
        PCS and resellers in existence as of the date of this Addendum
        ("EXISTING RESALE AGREEMENTS"), the amount of fees set forth in
        subsections 10.4.1.2 and 10.4.1.3, unless otherwise negotiated (E.G.,
        Virgin and Qwest); and

                                (b) with respect to agreements between Sprint
        PCS and resellers that are entered into after the date of this Addendum,
        the amount of fees collected by Sprint PCS from the resellers for the
        Reseller Customer's use of the Service Area Network, except if Sprint
        PCS owns a substantial interest in a reseller, in which case, Sprint
        PCS, Manager and all Other Managers will agree on the per minute or
        kilobyte rate to be paid by Sprint PCS to all Managers.

                                Sprint PCS may not amend, modify or change in
        any manner the Inter Service Area Fees between Sprint PCS and Manager or
        Reseller Customer Fees and other matters set forth in this section
        10.4.1 without Manager's prior written consent. For purposes of
        clarification, the parties do not intend the above sentence to limit
        Sprint PCS' ability to negotiate fees with resellers.

                                Sprint PCS will not be obligated to pay Manager
        those Inter Service Area Fees not received by Sprint PCS from an Other
        Manager who is a debtor in a bankruptcy proceeding with respect to Inter
        Service Area Fees that Sprint PCS owes Manager because of CSAs assigned
        to such Other Manager's Service Area traveling in the Service Area. For
        clarification purposes, Sprint PCS does not have to advance the Inter
        Service Area Fees for the Other Manager who is involved in the
        bankruptcy proceeding to Manager, to the extent that the Other Manager
        fails to pay the Inter Service

                                       27
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        Area Fees. Manager bears the risk of loss of the Other Manager who is
        involved in the bankruptcy proceeding not paying the Inter Service Area
        Fees to Sprint PCS.

                                If relief is ordered under title 11 of the
        United States Code for an Other Manager or an Other Manager files a
        voluntary petition for relief under title 11 of the United States Code
        and such Other Manager fails to pay to Sprint PCS amounts that such
        Other Manager owes to Sprint PCS with respect to the Inter Service Area
        Fees for travel into Manager's Service Area, Sprint PCS will immediately
        assign to Manager all of its claims and rights as a creditor of such
        Other Manager for those amounts owed with respect to Inter Service Area
        Fees for travel in Manager's Service Area. Sprint PCS agrees to take all
        actions necessary to effect this assignment of rights to Manager, and
        further agrees that Manager will not be responsible for any expenses
        related to such assignment. If Sprint PCS receives any amounts from an
        Other Manager involved in a bankruptcy proceeding with respect to Inter
        Service Area Fees for travel into the Service Area, Sprint PCS will
        immediately remit those amounts to Manager. If relief is ordered under
        title 11 of the United States Code for Sprint PCS or Sprint PCS files a
        voluntary petition for relief under title 11 of the United States Code,
        then Sprint PCS will be deemed a trustee for Manager's benefit with
        respect to any Inter Service Area Fees that Sprint PCS collects from
        Other Managers for travel into Manager's Service Area, and Sprint PCS
        has no rights to Manager's portion of such Inter Service Area Fees.

                                Manager acknowledges that if the manner in which
        the CSAs are assigned changes because of changes in the manner in which
        the NPA- NXX is utilized, the manner in which the Inter Service Area
        Fees and Reseller Customer Fees, if any, will be calculated might be
        changed accordingly.

                                10.4.1.2   VOICE AND 2G DATA RATE. The amount of
        the Inter Service Area Voice and 2G Data Fee and Reseller Customer Voice
        and 2G Data Fee for Existing Resale Agreements will be as follows:

                                (a)     The Inter Service Area Voice and 2G Data
                Fee for each billed minute of use that a Customer uses an Away
                Network and the Reseller Customer Fee for each billed minute of
                use that a Reseller Customer uses the Service Area Network, will
                be $0.058 from the Effective Date to December 31, 2006.

                                (b)     For each calendar year during the Term
                of this agreement beginning January 1, 2007, the Inter Service
                Area Voice and 2G Data Fee for each billed minute of use that a
                Customer uses an Away Network and the Reseller Customer Fee for
                each billed minute of use that a Reseller Customer uses the
                Service Area Network, will be an amount equal to 90% of Sprint
                PCS' Retail Yield for Voice and 2G Data Usage for the previous
                calendar year; provided that such amount for any period will not
                be less than Manager's network costs (including a reasonable
                return using Manager's weighted average cost of capital applied
                against Manager's net investment in the Service Area Network) to
                provide the services that are subject to the Inter Service Area
                Voice and 2G Data

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                Fee. If the parties have a dispute relating to the determination
                of the foregoing fees for any period, then the parties will
                submit the dispute to binding arbitration as set forth in
                section 10.4.1.3(b).

                                10.4.1.3   3G DATA RATE. The amount of the Inter
        Service Area 3G Data Fee and Reseller Customer 3G Data Fee for Existing
        Resale Agreements will be as follows:

                        (a)     From the Effective Date to December 31, 2006
                ("INITIAL 3G DATA FEE PERIOD"), the Inter Service Area 3G Data
                Fee for each kilobyte of use that a Customer uses an Away
                Network and the Reseller Customer 3G Data Fee for each kilobyte
                of use that a Reseller Customer uses the Service Area Network,
                will be $0.0020.

                        (b)     The parties will reset the Inter Service Area 3G
                Data Fee and the Reseller Customer 3G Data Fee after the Initial
                3G Data Fee Period ends. The Inter Service Area 3G Data Fee and
                the Reseller Customer 3G Data Fee will be based on an
                appropriate discount from the Sprint PCS Retail Yield for 3G
                Data Usage for the previous calendar year to be negotiated
                before December 31, 2006. Each subsequent fee period will last
                three years with, for example, the second pricing period
                beginning on January 1, 2007 and ending on December 31, 2009.

                        The process for resetting the fees is as follows:

                                (i)     Sprint PCS will give Manager a proposal
                        for the appropriate discount from the Sprint PCS Retail
                        Yield for 3G Data Usage by March 31 of the final year of
                        the then current pricing period. Manager's
                        representative and the Sprint PCS representative will
                        begin discussions regarding the proposed schedule of
                        fees within 20 days after Manager receives the proposed
                        schedule of fees from Sprint PCS.

                                (ii)    Manager may escalate the discussion to
                        the Chief Financial Officer of Sprint PCS or Sprint PCS
                        may escalate the discussion to Manager's Chief Executive
                        Officer or Chief Financial Officer if the parties do not
                        agree on a new schedule of fees within 30 days after the
                        discussions begin.

                                (iii)   If the parties cannot agree on a new
                        schedule of fees within 20 days after a party escalates
                        the discussion, then Manager may either agree to the
                        fees set forth in the Inter Service Area 3G Data Fee and
                        Reseller Customer 3G Data Fee proposal or submit the
                        determination of the Inter Service Area 3G Data Fee and
                        Reseller Customer 3G Data Fee to binding arbitration
                        based on a market-rate determination of an appropriate
                        Inter Service Area 3G Data Fee and Reseller Customer 3G
                        Data Fee in accordance with section 14.2, excluding the
                        escalation process set forth in section 14.1.

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                                (iv)    If Manager submits the matter to
                        arbitration the fees that Sprint PCS proposed will apply
                        starting after December 31 of the first year of the
                        appropriate period as described in section 10.4.1.4 and
                        will continue in effect unless modified by the final
                        decision of the arbitrator. If the arbitrator imposes a
                        fee different than the ones in effect the new fees will
                        be applied as if in effect after December 31 of the
                        first year of the appropriate period as described in
                        section 10.4.1.4 and if on application of the new fees
                        one party owes the other party any amount after taking
                        into account payments the parties have already made then
                        the owing party will pay the other party within 30 days
                        of the date of the final arbitration order.

                                10.4.1.4   RATE CHANGES - EFFECTIVE DATE. All
        rate changes related to Inter Service Area Fees and Reseller Customer
        Fees will be applied to all activity in a bill cycle regardless of when
        the activity occurred, if the bill cycle ends after the effective date
        of the rate change.

                                10.4.1.5   LONG DISTANCE. The long distance
        rates associated with the Inter Service Area and Reseller Customer usage
        will be equal to the actual wholesale transport and terminating costs
        associated with the originating and terminating locations. The rates are
        then applied to cumulative usage at a BID level for settlement purposes.

                        10.4.2  INTERCONNECT FEES. Manager will pay to Sprint
        PCS (or to other carriers as appropriate) monthly the interconnect fees,
        if any, as provided under section 1.4.

                        10.4.3  TERMINATING AND ORIGINATING ACCESS FEE. Sprint
        PCS will pay Manager 92% of any terminating or originating access fees
        Sprint PCS collects from an IXC that are not subject to refund or
        dispute (but it will not be Billed Revenue). For purposes of
        clarification, Sprint Corporation's Related Parties are obligated to pay
        terminating access to Sprint PCS only if MCI and AT&T pay terminating or
        originating access to Sprint PCS. At the Effective Date of Addendum
        VIII, neither MCI nor AT&T pays terminating access to Sprint PCS. The
        ability of wireless carriers to collect access fees is currently subject
        to legal challenge. The parties acknowledge that Sprint PCS has limited
        ability to require IXCs to pay access fees.

                        10.4.4  REIMBURSEMENTS FOR MISTAKEN PAYMENTS. If one
        party mistakenly pays an amount that the other party is obligated to pay
        then the other party will reimburse the paying party, if the paying
        party identifies the mistake and notifies the receiving party within 9
        calendar months after the date on which the paying party makes the
        mistaken payment.

                10.5    TAXES AND PAYMENTS TO THE GOVERNMENT. Manager will pay
        or reimburse Sprint PCS for any sales, use, gross receipts or similar
        tax, administrative fee, telecommunications fee or surcharge for taxes
        or fees that a governmental authority levies on the fees and charges
        payable by Sprint PCS to Manager.

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                Manager will report all taxable property to the appropriate
        taxing authority for ad valorem tax purposes. Manager will pay as and
        when due all taxes, assessments, liens, encumbrances, levies and other
        charges against the real estate and personal property that Manager owns
        or uses in fulfilling its obligations under this agreement.

                Manager is responsible for paying all sales, use or similar
        taxes on the purchase and use of its equipment, advertising and other
        goods or services in connection with this agreement.

                Sprint PCS will be solely responsible for remitting to
        government agencies or their designees any and all fees or other amounts
        owed as a result of the services provided to the Customers under the
        Management Agreement. As a consequence of this responsibility, Sprint
        PCS is entitled to 100% of any amounts that Manager, Sprint PCS or their
        Related Parties receives from Customers (including Customers whose
        NPA-NXX is assigned to the Service Area) relating to these fees or other
        amounts.

                10.6    UNIVERSAL SERVICE FUNDS.

                        10.6.1  PAID BY GOVERNMENT. Manager is entitled to 100%
        of any federal and state subsidy funds (the "SUBSIDY FUNDS"), including
        Universal Service Funds, that Manager or Sprint PCS receives from
        government disbursements based on customers with mailing addresses
        located in the Service Area and with NPA-NXXs assigned to the Service
        Area, or such other method then in effect under the rules of the FCC,
        Universal Service Administrative Company or other federal or state
        administrator. For purposes of clarity, Universal Service Funds provide
        support payments to Eligible Telecommunications Carriers ("ETC") serving
        in high cost areas or providing services to low income individuals.
        Sprint PCS will file on behalf of itself or Manager appropriate ETC
        documentation in those jurisdictions in which Sprint PCS determines to
        make the filing.

                If Manager asks Sprint PCS to make a filing in a jurisdiction
        and Sprint PCS reasonably determines not to make the filing because
        making the filing is detrimental to Sprint's best interests, then Sprint
        does not have to make the filing. If Manager disagrees with the
        reasonableness of Sprint PCS' determination not to make the filing, then
        the parties will submit to binding arbitration in accordance with
        section 14.2, excluding the escalation process set forth in section
        14.1.

                If the process set forth in the previous paragraph results in
        Sprint PCS making a filing, Manager will pay all of Sprint PCS'
        reasonable out-of-pocket costs associated with the filing and any
        compliance obligations that arise from the filing or that are imposed by
        the jurisdiction in which the filing is made (e.g. filing fees, legal
        fees, expert witness retention, universal lifeline service, enhancing
        customer care quality, and including, without limitation, network
        upgrades). Sprint PCS will remit to Manager 50% of any Subsidy Funds
        that Sprint PCS receives from filings Sprint PCS is required to make
        under the preceding paragraph that are not payable to Manager under the
        first paragraph of this section 10.6.1, until the aggregate amount of
        the payments to Manager under this

                                       31
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        sentence equals 50% of the amount Manager has paid Sprint PCS under the
        preceding sentence.

                All Subsidy Funds received must be used to support the
        provision, maintenance and upgrading of facilities and services for
        which the funds are intended. Sprint PCS will attempt to recover from
        the appropriate governmental authority Subsidy Funds and will remit the
        appropriate recoveries to Manager.

                        10.6.2  PAID BY CUSTOMERS. Sprint PCS will be solely
        responsible for remitting to government agencies or their designees,
        including but not limited to the Universal Service Administrative
        Company, all universal service fees. As a consequence of this
        responsibility, Sprint PCS is entitled to 100% of any amounts that
        Manager, Sprint PCS or their Related Parties receives from Customers
        (including Customers whose NPA-NXX is assigned to the Service Area)
        relating to the Universal Service Funds.

                10.7    EQUIPMENT REPLACEMENT PROGRAM. Sprint PCS is entitled to
        100% of the amounts that Customers pay for participating in any
        equipment replacement program billed on their Sprint PCS bills. Manager
        will not be responsible for or in any way billed for any costs or
        expenses that Sprint PCS or any Sprint PCS Related Party incurs in
        connection with any such equipment replacement program.

                10.8    CUSTOMER EQUIPMENT. Sprint PCS is entitled to 100% of
        the amounts that Customers pay for subscriber equipment and accessories
        sold or leased by Sprint PCS, and Manager is entitled to 100% of the
        amounts that Customers pay for subscriber equipment and accessories sold
        or leased by Manager, subject to the equipment settlement process in
        section 4.1.2.

                10.9    PHASE I E911. Sprint PCS is entitled to collect 100% of
        the E911 Phase I Surcharges (E.G., for equipment other than handsets,
        such as platforms and networks). Sprint PCS will attempt to recover from
        the appropriate governmental authority Phase I E911 reimbursements and
        will remit the appropriate amounts to Manager.

                10.10   MANAGER DEPOSITS INTO RETAIL BANK ACCOUNTS. Each
        Business Day, Manager will deposit into bank accounts and authorize
        Sprint PCS or a Related Party that Sprint PCS designates to sweep from
        such accounts the amounts collected from Customers on behalf of Sprint
        PCS and its Related Parties for Sprint PCS Products and Services.
        Manager will allow the funds deposited in the bank accounts to be
        transferred daily to other accounts that Sprint PCS designates. Manager
        will also provide the daily reports of the amounts collected that Sprint
        PCS reasonably requires. Manager will not make any changes to the
        authorizations and designations Sprint PCS designates for the bank
        accounts without Sprint PCS' prior written consent.

                10.11   MONTHLY STATEMENTS.

                        10.11.1 SECTION 10.2 STATEMENT. Each month Sprint PCS
        will determine

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        the amount payable to or due from Manager for a Billed Month under
        section 10.2. Sprint PCS will deliver a monthly statement to Manager
        that reports the amount due to Manager, the manner in which the amount
        was calculated, the amount due to Sprint PCS and its Related Parties
        under this agreement and the Services Agreement, and the net amount
        payable to or due from Manager.

                        10.11.2 OTHER STATEMENTS. Sprint PCS will deliver a
        monthly statement to Manager that reports amounts due to Manager or from
        Manager, other than amounts described in section 10.12.1, the manner in
        which the amounts were calculated, the amount due to Manager or to
        Sprint PCS and its Related Parties under this agreement and the Services
        Agreement, and the net amount payable to Manager.

                        10.11.3 THIRD PARTY CHARGES. Sprint PCS will include any
        third party charges on Manager's statements within three calendar months
        after the end of the calendar month during which Sprint PCS receives the
        third party charge. Sprint PCS' failure to include these charges on
        Manager's statements within the three calendar month-period will mean
        that Sprint PCS cannot collect those third party charges from Manager.

                10.12   PAYMENTS.

                        10.12.1 WEEKLY PAYMENTS. Sprint PCS will pay the amount
        payable to Manager for a Billed Month under section 10.2 in equal weekly
        payments on consecutive Thursdays beginning the second Thursday of the
        calendar month following the Billed Month and ending on the first
        Thursday of the second calendar month after the Billed Month. If Sprint
        PCS is unable to determine the amount due to Manager in time to make the
        weekly payment on the second Thursday of a calendar month, then Sprint
        PCS will pay Manager for that week the same weekly amount it paid
        Manager for the previous week. Sprint PCS will true-up any difference
        between the actual amount due for the first weekly payment of the Billed
        Month and amounts paid for any estimated weekly payments after Sprint
        PCS determines what the weekly payment is for that month. Sprint PCS
        will use reasonable efforts to true-up within 10 Business Days after the
        date on which Sprint PCS made the estimated weekly payment.

                        10.12.2 MONTHLY PAYMENTS. The amounts payable to Manager
        and Sprint PCS and its Related Parties under this agreement and the
        Services Agreement, other than the payments described in section
        10.12.1, will be determined, billed and paid monthly in accordance with
        section 10.12.3.

                        10.12.3 TRANSITION OF PAYMENT METHODS. (a) Sprint PCS
        and Manager wish to conduct an orderly transition from making weekly
        payments to Manager based on Collected Revenues to weekly payments based
        on Billed Revenue. The method of calculating the weekly payments will
        change on the first day of the calendar month after the Effective Date
        of Addendum VIII (the "TRANSITION DATE"). The weekly amounts paid to
        Manager during the calendar month before the Transition Date and on the
        first Thursday after the Transition Date will be based on the Collected
        Revenues method. The weekly amounts paid to Manager beginning on the
        second Thursday of the second

                                       33
<Page>

        calendar month after the Transition Date will be based on the Billed
        Revenue method described in this section 10. To effect an orderly
        transition, Sprint PCS will pay Manager for the period beginning on the
        second Thursday after the Transition Date and ending on the first
        Thursday of the calendar month after the Transition Date an amount
        calculated as described below in section 10.12.3(b).

                        (b) Sprint PCS will apply the estimated collection
        percentages that Sprint PCS uses before the Transition Date to the gross
        accounts receivable aging categories for Customers with an NPA-NXX
        assigned to the Service Area as of the close of business on the day
        before the Transition Date to calculate the amount Sprint PCS
        anticipates collecting on those accounts receivable. Sprint PCS will pay
        Manager the amount estimated to be collected in equal weekly payments on
        consecutive Thursdays beginning the second Thursday after the Transition
        Date and ending the first Thursday of the calendar month after the
        Transition Date. Sprint PCS will also pay to Manager no later than the
        second Thursday after the Transition Date any Collected Revenues
        received after the Saturday before the Transition Date and before the
        Transition Date.

                        (c) Sprint PCS will recalculate the estimated collection
        percentages and apply the recalculated estimated collection percentages
        to the gross accounts receivable aging categories described in the first
        sentence of section 10.12.3(b) when all applicable data is available.
        Sprint PCS will increase or decrease a weekly payment by the amount of
        the difference between the amount paid to Manager based on the initial
        estimated collection percentages and the amount that would have been
        paid to Manager using the newer estimated collection percentages.

                10.13   DISPUTE OR CORRECTION OF STATEMENT AMOUNT. A party can
        only dispute or correct an amount on a statement in good faith. If a
        party disputes or corrects an amount on a statement, the disputing or
        correcting party must give the other party written notice of the
        specific item disputed or corrected, the disputed or corrected amount
        with respect to that item and the reason for the dispute or correction
        within three calendar months after the end of the calendar month during
        which the disputed or erroneous statement was delivered.

                Any dispute regarding a statement will be submitted for
        resolution under the dispute resolution process in section 14. The
        parties must continue to pay to the other party all amounts, except
        disputed amounts (subject to the next paragraph), owed under this
        agreement and the Services Agreement during the dispute resolution
        process. If the aggregate disputed amount, combined with any aggregate
        disputed amount under section 10.14, exceeds $1,000,000, and upon the
        written request of the other party, the party disputing the amount (the
        "DISPUTING PARTY") will deposit the portion of the disputed amount in
        excess of $1,000,000 into an escrow account that will be governed by an
        escrow agreement in a form to be mutually agreed upon by the parties.
        The Disputing Party will deposit the amount into the escrow account
        within 10 Business Days after its receipt of the written request from
        the other party in accordance with the foregoing. If the Disputing Party
        complies with the requirements of this paragraph, then the other party
        or its Related Parties may not declare the Disputing Party in breach of
        this agreement or

                                       34
<Page>

        the Services Agreement because of nonpayment of the disputed amount,
        pending completion of the dispute resolution process.

                The escrow agent will be an unrelated third party that is in the
        business of serving as an escrow agent for or on behalf of financial
        institutions. The parties will share evenly the escrow agent's fees. The
        escrow agent will invest and reinvest the escrowed funds in
        interest-bearing money market accounts or as the parties otherwise
        agree. The escrow agent will disburse the escrowed funds in the
        following manner based on the determination made in the dispute
        resolution process:

                                (a)     If the Disputing Party does not owe any
                of the disputed amounts, then the escrow agent will return all
                of the escrowed funds to the Disputing Party with the interest
                earned on the escrowed funds.

                                (b)     If the Disputing Party owes all of the
                disputed amounts, then the escrow agent will disburse all of the
                escrowed funds with the interest earned on the escrowed funds to
                the non-disputing party. If the interest earned is less than the
                amount owed based on the Default Rate, then the Disputing Party
                will pay the non-disputing party the difference between those
                amounts.

                                (c)     If the Disputing Party owes a portion of
                the disputed amounts, then the escrow agent will disburse to the
                non-disputing party the amount owed with interest at the Default
                Rate from the escrowed funds and disburse the balance of the
                escrowed funds to the Disputing Party. The Disputing Party will
                pay the non-disputing party the amount owed for interest at the
                Default Rate if the amount of the escrowed funds is
                insufficient.

                Manager and Sprint PCS will take all reasonable actions
        necessary to allow the Disputing Party to continue to reflect the
        amounts deposited into the escrow account by the Disputing Party as
        assets in the Disputing Party's financial statements.

                The parties will use the dispute resolution process under
        section 14.2 of this agreement, excluding the escalation process set
        forth in section 14.1, if they cannot agree on the form of escrow
        agreement.

                The parties agree that, despite this section 10.13, Manager will
        pay all disputed amounts due to Sprint PCS or any Related Party for fees
        for CCPU Services and CPGA Services payable under the Services Agreement
        for periods ending on or before December 31, 2006, subject to any other
        rights and remedies that Manager has under this agreement and the
        Services Agreement. The parties may discuss any amounts that Manager
        believes are in error in the calculation of such fees, and attempt to
        agree on the corrected amounts, but these discussions do not delay or
        otherwise affect Manager's payment obligations under this section 10.13.

                The dispute of an item in a statement does not stay or diminish
        a party's other rights and remedies under this agreement, except that a
        party must complete the dispute

                                       35
<Page>

        resolution process in section 14 before taking any legal or equitable
        action against the other party.

                10.14   DISPUTE OR CORRECTION OF A THIRD PARTY INVOICE AMOUNT.
        Sprint PCS will include the applicable portion of any amount based on a
        third party invoice in a statement to Manager within three calendar
        months after Sprint PCS' receipt of the third party invoice. Sprint PCS'
        failure to include the amount in a statement to Manager within the three
        calendar month-period will mean that the third party charges will not be
        collectible from Manager.

                A party can dispute or correct an amount based on a third party
        invoice only in good faith. Modified invoices received by Sprint PCS
        from a third party vendor and then sent by Sprint PCS to Manager will be
        treated as a new statement for purposes of this section, so long as the
        modified statement was revised in good faith and not simply to provide
        Sprint PCS additional time to resubmit a previous invoice.

                If a party disputes or corrects an amount on a third party
        invoice or the amount Sprint PCS attributed to Manager, the disputing
        party must give the other party written notice of the specific item
        disputed or corrected, the disputed or corrected amount with respect to
        that item and the reason for the dispute or correction within three
        calendar months after the end of the calendar month during which the
        disputed or erroneous statement was delivered. Sprint PCS and Manager
        will cooperate with each other to obtain the information needed to
        determine if the amounts billed by the third party and allocated to
        Manager were correct.

                Any dispute regarding the amount of the third party invoice
        Sprint PCS attributed to Manager will be submitted for resolution under
        the dispute resolution process in section 14. Manager must continue to
        pay to Sprint PCS all amounts, except disputed amounts, owed under this
        agreement and the Services Agreement during the information gathering
        and dispute resolution process. If the aggregate disputed amount,
        combined with any aggregate disputed amount under section 10.13, exceeds
        $1,000,000, and upon the written request of Sprint PCS, Manager will
        deposit the portion of the disputed amount in excess of $1,000,000 into
        an escrow account that will be governed by an escrow agreement
        containing terms similar to the general terms described in section 10.13
        and in a form to be mutually agreed upon by the parties. Manager will
        deposit the amount into the escrow account within 10 Business Days after
        its receipt of the written request from Sprint PCS in accordance with
        the foregoing. If Manager complies with the requirements of this
        paragraph, then none of Sprint PCS or its Related Parties may declare
        Manager in breach of this agreement or the Services Agreement because of
        nonpayment of the disputed amount, pending completion of the dispute
        resolution process.

                The dispute of an item in a statement does not stay or diminish
        a party's other rights and remedies under this agreement, except that
        the parties must complete the dispute resolution process in section 14
        before taking any legal or equitable action against each other.

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<Page>

                10.15   LATE PAYMENTS. Any amount due under this agreement or
        the Services Agreement without a specified due date will, in the case of
        Manager, be due 20 days after Manager receives an invoice, and will, in
        the case of Sprint PCS, be due 20 days after collection from the
        applicable third party. Any amount due under this agreement and the
        Services Agreement (including without limitation any amounts disputed
        under those agreements that are ultimately determined to be due) that is
        not paid by one party to the other party in accordance with the terms of
        the applicable agreement will bear interest at the Default Rate
        beginning (and including) the 6th day after the invoice or settlement
        due date until (and including) the date paid.

                10.16   SETOFF RIGHT IF FAILURE TO PAY AMOUNTS DUE. If Manager
        fails to pay any undisputed amount due Sprint PCS or a Related Party of
        Sprint PCS under this agreement, any undisputed amount due Sprint PCS or
        a Related Party of Sprint PCS under the Services Agreement or any other
        agreement with Sprint PCS or a Related Party of Sprint PCS, or any
        disputed amount due to Sprint PCS or a Related Party for fees for CCPU
        Services or CPGA Services payable under the Services Agreement, then 5
        days after the payment due date Sprint PCS may setoff against its
        payments to Manager under this section 10 any such undisputed amount
        that Manager owes to Sprint PCS or a Related Party of Sprint PCS. Sprint
        PCS will use reasonable efforts to provide Manager with prior written
        notice of Sprint PCS' intent to exercise its setoff right and the notice
        will include a list of any and all relevant invoices. This right of
        setoff is in addition to any other right that Sprint PCS or a Related
        Party of Sprint PCS might have under this agreement, the Services
        Agreement or any other agreements with Sprint PCS or a Related Party of
        Sprint PCS.

        18.     TERMINATION RIGHTS [NEW]. Section 11.3.7 is deleted, and all
references in the agreement to section 11.3.7 are also deleted.

        19.     MANAGER'S PUT RIGHT [ADDM I, SECTIONS8 AND 9; REVISED BY THIS
ADDENDUM]. Section 11.5.1 is amended to read as follows:

                11.5.1  MANAGER'S PUT RIGHT. Manager may put to Sprint PCS
        within 30 days after the Event of Termination all of the Operating
        Assets. Sprint PCS will pay to Manager an amount equal to 88% of the
        Entire Business Value, subject to the last paragraph of this subsection
        11.5.1. The closing of the purchase of the Operating Assets will occur
        within 20 days after the later of:

                        (a)     the receipt by Sprint PCS of the written notice
        of determination of the Entire Business Value by the appraisers under
        section 11.7; or

                        (b)     the receipt of all materials required to be
        delivered to Sprint PCS under section 11.8.

                                       37
<Page>

                Upon closing the purchase of the Operating Assets this agreement
        will be deemed terminated. The exercise of the put, the determination of
        the Operating Assets, the representations and warranties made by Manager
        with respect to the Operating Assets and the business, and the process
        for closing the purchase will be subject to the terms and conditions set
        forth in section 11.8.

                In BTAs where Sprint PCS owns 10 MHz of spectrum or less, if
        Sprint PCS acquires additional spectrum in the entirety of those BTAs in
        the Services Area, then Sprint PCS may amend the SERVICE AREA EXHIBIT to
        the Management Agreement, in its sole discretion, to add such
        newly-acquired spectrum to the SERVICE AREA EXHIBIT. Such additional
        spectrum will, upon inclusion in the SERVICE AREA EXHIBIT, become part
        of the License, as such term is defined in the Schedule of Definitions.
        If additional spectrum is included in the SERVICE AREA EXHIBIT and the
        License is then for 20 MHz or more of PCS spectrum in the Service Area,
        then the word "executed" is replaced by the word "terminated" in the
        first sentence of each of section 11.2.1.2 and 11.5.2 of this agreement.
        Further, Sprint PCS and Manager may exercise any and all rights under
        this agreement, and in particular sections 11.2.2.2 and 11.6.2, that are
        available to the parties when a Disaggregated License is sold to
        Manager. If the stipulations of this paragraph are met then the
        reference to "88%" in the second sentence of this subsection 11.5.1 will
        change to "80%".

        20.     NON-TERMINATION OF AGREEMENT [ADDM III, SECTION12]. Sections
11.5.3 and 11.6.4 are replaced with the following paragraphs:

                        11.5.3  MANAGER'S ACTION FOR DAMAGES OR OTHER RELIEF.
        Manager, in accordance with the dispute resolution process in section
        14, may seek damages or other appropriate relief, but such action does
        not terminate this agreement.

                        11.6.4  SPRINT PCS' ACTION FOR DAMAGES OR OTHER RELIEF.
        Sprint PCS, in accordance with the dispute resolution process in section
        14, may seek damages or other appropriate relief, but such action does
        not terminate this agreement.

        21.     AUDIT [NEW]. Section 12.1.2 is amended and restated in its
entirety to read as follows:

                12.1.2  AUDITS. On reasonable advance notice by one party, the
        other party must provide its independent or internal auditors access to
        its appropriate financial and operating records, including, without
        limitation, vendor and distribution agreements, for purposes of auditing
        the amount of fees (including the appropriateness of items excluded from
        the Fee Based on Billed Revenue), costs, expenses (including operating
        metrics referred to in this agreement and the Services Agreement
        relating to or used in the determination of Inter Service Area Fees,
        Reseller Customer Fees, CCPU Services or CPGA Services) or other charges
        payable in connection with the Service Area for the period audited. The
        party that requested the audit may decide if the audit is conducted by

                                       38
<Page>

        the other party's independent or internal auditors. Manager and Sprint
        PCS may each request no more than one audit per year.

                        (a)     If the audit shows that Sprint PCS was underpaid
                then, unless the amount is contested, Manager will pay to Sprint
                PCS the amount of the underpayment within 10 Business Days after
                Sprint PCS gives Manager written notice of the underpayment
                determination.

                        (b)     If the audit determines that Sprint PCS was
                overpaid then, unless the amount is contested, Sprint PCS will
                pay to Manager the amount of the overpayment within 10 Business
                Days after Manager gives Sprint PCS written notice of the
                overpayment determination.

                The auditing party will pay all costs and expenses related to
        the audit unless the amount owed to the audited party is reduced by more
        than 10% or the amount owed by the audited party is increased by more
        than 10%, in which case the audited party will pay the costs and
        expenses related to the audit.

                Sprint PCS will provide a report issued in conformity with
        Statement of Auditing Standard No. 70 "Reports on the Processing of
        Transactions by Service Organizations" ("TYPE II REPORT" or "MANAGER
        MANAGEMENT REPORT") to Manager twice annually. If Manager, on the advice
        of its independent auditors or its legal counsel, determines that a
        statute, regulation, rule, judicial decision or interpretation, or audit
        or accounting rule, policy or literature published by the accounting or
        auditing profession or other authoritative rule making body (such as the
        Securities and Exchange Commission, the Public Company Accounting
        Oversight Board or the Financial Accounting Standards Board) requires
        additional assurances beyond SAS 70, then Sprint PCS will cooperate with
        Manager to provide the additional assurances. Sprint PCS' independent
        auditors will prepare any Type II Report or Manager Management Report
        provided under this section 12.1.2 and will provide an opinion on the
        controls placed in operation and tests of operating effectiveness of
        those controls in effect at Sprint PCS over Manager Management
        Processes. "Manager Management Processes" include those services
        generally provided within this agreement, primarily billing and
        collection of revenues.

        22.     SHARING CONFIDENTIAL INFORMATION WITH LENDERS [ADDM II,
SECTION6]. Section 12.2(b)(vii) is amended to read as follows:

                (vii) is disclosed by the receiving party to a financial
        institution or accredited investor (as that term is defined in Rule
        501(a) under the Securities Act of 1933) that is considering providing
        or has provided financing to the receiving party and which financial
        institution or accredited investor has agreed to keep the Confidential
        Information confidential in accordance with an agreement at least as
        restrictive as this section 12.2.

        23.     REGULATORY NOTICES [ADDM I, SECTIONS5 AND 6; REVISED BY THIS
ADDENDUM]. Section 16.4 is amended to read as follows:

                                       39
<Page>

                16.4    REGULATORY NOTICES. Manager will, within 5 Business Days
        after its receipt, give Sprint PCS written notice of all oral and
        written communications it receives from regulatory authorities
        (including but not limited to the FCC, the FAA, state public service
        commissions, environmental authorities, and historic preservation
        authorities) and complaints respecting Manager's construction,
        operation, and management of the Service Area Network that could result
        in actions affecting the License as well as written notice of the
        details respecting such communications and complaints, including a copy
        of any written material received in connection with such communications
        and complaints. Manager will cooperate with Sprint PCS in responding to
        such communications and complaints received by Manager. Sprint PCS has
        the right to respond to all such communications and complaints, with
        counsel and consultants of its own choice. If Sprint PCS chooses to
        respond to such communications and complaints, Manager will not respond
        to them without the consent of Sprint PCS. Sprint PCS will bear the cost
        of responding to any such communications and complaints unless (i) such
        response is primarily the result of Manager's acts or omissions that
        constitute negligence, willful misconduct or breach of any provision of
        this agreement (in which case Manager will pay the costs of Sprint PCS'
        response) or (ii) Manager responds on its own initiative and not at the
        request of Sprint PCS.

        24.     NOTICES [NEW AND ADDM IV, SECTION5; REVISED BY THIS ADDENDUM].
Section 17.1 is amended and restated in its entirety to read as follows:

                17.1    NOTICES. (a) Any notice, payment, invoice, demand or
        communication required or permitted to be given by any provision of this
        agreement must be in writing and mailed (certified or registered mail,
        postage prepaid, return receipt requested), sent by hand or overnight
        courier, charges prepaid or sent by facsimile or email (in either
        instance with acknowledgement or read receipt received), and addressed
        as described below, or to any other address or number as the person or
        entity may from time to time specify by written notice to the other
        parties. Sprint PCS may give notice of changes to a Program Requirement
        by sending an email that directs Manager to the changed Program
        Requirement on the affiliate intranet website.

                The subject line of any email notice that purports to amend any
        Program Requirement must read "Program Requirement Change" and the first
        paragraph must indicate (i) which Program Requirement is being modified,
        (ii) what is being modified in the Program Requirement, and (iii) when
        the Program Requirement will take effect. The email must also include
        either a detailed summary of the Program Requirement Change or a redline
        comparison between the old Program Requirement and the new Program
        Requirement.

                Any notice, demand or communication intended to be notice of a
        breach of an agreement or notice of an Event of Termination must:

                        (A)     clearly indicate that intent,

                        (B)     state the section(s) of the agreements allegedly
                breached, and

                                       40
<Page>

                        (C)     be mailed or sent by overnight courier in the
                manner described in the first paragraph in this section 17.1.

                Manager will promptly give Sprint PCS a copy of any notice
        Manager receives from the Administrative Agent or any Lender, and a copy
        of any notice Manager gives to the Administrative Agent or any Lender.
        Sprint PCS will promptly give Manager a copy of any notice that Sprint
        PCS receives from the Administrative Agent or any Lender and a copy of
        any notice that Sprint PCS gives to the Administrative Agent or any
        Lender.

                All notices and other communications given to a party in
        accordance with the provisions of this agreement will be deemed to have
        been given when received.

        (b) The parties' notice addresses are as follows:

        For all entities comprising Sprint PCS:

                        Sprint PCS
                        KSOPHJ0212-2A101
                        6130 Sprint Parkway
                        Overland Park, KS 66251
                        Telephone: 913-762-7929
                        Telecopier: 913-523-0539
                        Email: dbotto01@sprintspectrum.com
                        Attention: Vice President - Finance

                with a copy to:

                        Sprint Law Department
                        KSOPHT0101-Z2020
                        6391 Sprint Parkway
                        Overland Park, KS 66251
                        Telephone: 913-315-9315
                        Telecopier: 913-523-9823
                        Email: john.w.chapman@mail.sprint.com
                        Attention: John Chapman

        For Manager:

                        iPCS Wireless, Inc.
                        1901 North Roselle Road
                        Suite 1040
                        Schaumburg, Illinois 60195
                        Telephone: 847-885-7041
                        Telecopier: 847-885-7025
                        Email: tyager@ilpcs.com
                        Attention: Tim Yager

                                       41
<Page>

with a copy to:

                        Mayer, Brown, Rowe & Maw LLP
                        190 South LaSalle Street
                        Chicago, Illinois 60603
                        Telephone: 312-782-0600
                        Telecopier: 312-701-7711
                        Email: ptheiss@mayerbrownrowe.com
                        Email: rwild@mayerbrownrowe.com
                        Attention: Paul Theiss and Robert Wild

        and with copies to the following individuals' email addresses if a
        notice of a Program Requirement Change is sent by email:

                        ptheiss@mayerbrownrowe.com
                        rwild@mayerbrownrowe.com

        25.             FORCE MAJEURE [NEW]. Section 17.9.3 is amended and
restated in its entirety to read as follows:

                Neither Manager nor Sprint PCS, as the case may be, is in breach
        of any covenant in this agreement, and no Event of Termination will
        occur as a result of the failure of such party to comply with any
        covenant, if the party's non-compliance with the covenant results
        primarily from:

                                (i)     any FCC order or any other injunction
                        that any governmental authority issues that impedes the
                        party's ability to comply with the covenant,

                                (ii)    the failure of any governmental
                        authority to grant any consent, approval, waiver or
                        authorization or any delay on the part of any
                        governmental authority in granting any consent,
                        approval, waiver or authorization,

                                (iii)   the failure of any vendor to deliver in
                        a timely manner any equipment or service, or

                                (iv)    any act of God, act of war or
                        insurrection, riot, fire, accident, explosion, labor
                        unrest, strike, civil unrest, work stoppage,
                        condemnation or any similar cause or event not
                        reasonably within the control of the party.

        26.     GOVERNING LAW, JURISDICTION AND CONSENT TO SERVICE OF PROCESS
[NEW]. Section 17.12 of the Management Agreement is replaced with the following
language:

                                       42
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        17.12   GOVERNING LAW, JURISDICTION AND CONSENT TO SERVICE OF PROCESS.

                17.12.1         GOVERNING LAW. The internal laws of the State of
        Kansas (without regard to principles of conflicts of law) govern the
        validity of this agreement, the construction of its terms, and the
        interpretation of the rights and duties of the parties.

                17.12.2         JURISDICTION; CONSENT TO SERVICE OF PROCESS.

                (a) Each party hereby irrevocably and unconditionally submits,
        for itself and its property, to the nonexclusive jurisdiction of any
        Kansas State court sitting in the County of Johnson or any Federal court
        of the United States of America sitting in the District of Kansas, and
        any appellate court from any such court, in any suit action or
        proceeding arising out of or relating to this agreement, or for
        recognition or enforcement of any judgment, and each party hereby
        irrevocably and unconditionally agrees that all claims in respect of any
        such suit, action or proceeding may be heard and determined in such
        Kansas State Court or, to the extent permitted by law, in such Federal
        court.

                (b) Each party hereby irrevocably and unconditionally waives, to
        the fullest extent it may legally do so, any objection which it may now
        or hereafter have to the laying of venue of any suit, action or
        proceeding arising out of or relating to this agreement in Kansas State
        court sitting in the County of Johnson or any Federal court sitting in
        the District of Kansas. Each party hereby irrevocably waives, to the
        fullest extent permitted by law, the defense of an inconvenient forum to
        the maintenance of such suit, action or proceeding in any such court and
        further waives the right to object, with respect to such suit, action or
        proceeding, that such court does not have jurisdiction over such party.

                (c) Each party irrevocably consents to service of process in the
        manner provided for the giving of notices pursuant to this agreement,
        PROVIDED that such service shall be deemed to have been given only when
        actually received by such party. Nothing in this agreement shall affect
        the right of a party to serve process in another manner permitted by
        law.

        27.     NUMBER PORTABILITY [ADDM I, SECTION7]. The second sentence of
section 17.17 is amended to read as follows: "To the extent the relationship
between NPA-NXX and the Service Area changes, Sprint PCS will develop an
alternative system to attempt to assign customers who primarily live and work in
the Service Area to the Service Area, in a manner that preserves the economic
benefits of this agreement to each party."

        28.     ANNOUNCED TRANSACTIONS [ADDM III, SECTION13]. Section 17.24 is
deleted.

        29.     FEDERAL CONTRACTOR COMPLIANCE [ADDM I, SECTION11]. A new section
17.28, the text of which is attached as Exhibit A to Addendum I, is added and
incorporated by this reference.

        30.     YEAR 2000 COMPLIANCE [ADDM I, SECTION12]. A new section 17.29 is
added to the Management Agreement:

                                       43
<Page>

                17.29   YEAR 2000 COMPLIANCE. Sprint PCS and Manager each
        separately represents and warrants that any system or equipment
        acquired, operated or designated by it for use in the Service Area
        Network or for use to support the Service Area Network, including
        (without limitation) billing, ordering and customer service systems,
        will be capable of correctly processing and receiving date data, as well
        as properly exchanging date data with all products (for example,
        hardware, software and firmware) with which the Service Area Network is
        designed to be used, and will not malfunction or fail to function due to
        an inability to process correctly date data in conformance with Sprint
        PCS requirements for "Year 2000 Compliance." If the Service Area Network
        or any system used to support the Service Area Network fails to operate
        as warranted due to defects or failures in any system or equipment
        selected by Manager (including systems or equipment of third party
        vendors and subcontractors selected by Manager rather than by Sprint
        PCS) Manager will, at its own expense, make the repairs, replacements or
        upgrades necessary to correct the failure and provide a Year 2000
        Compliant Service Area Network. If the Service Area Network or any
        system used to support the Service Area Network fails to operate as
        warranted due to defects or failures in any systems or equipment
        selected by Sprint PCS (including systems or equipment of third party
        vendors and subcontractors that Sprint PCS selects and requires Manager
        to use), Sprint PCS will, at its own expense, make the repairs,
        replacements or upgrades necessary to correct the failure and provide a
        Year 2000 Compliant Service Area Network.

                        "YEAR 2000 COMPLIANCE" means the functions,
        calculations, and other computing processes of the Service Area Network
        (collectively "PROCESSES") that perform and otherwise process,
        date-arithmetic, display, print or pass date/time data in a consistent
        manner, regardless of the date in time on which the Processes are
        actually performed or the dates used in such data or the nature of the
        date/time data input, whether before, during or after January 1, 2000
        and whether or not the date/time data is affected by leap years. To the
        extent any part of the Service Area Network is intended to be used in
        combination with other software, hardware or firmware, it will properly
        exchange date/time data with such software, hardware or firmware. The
        Service Area Network will accept and respond to two-digit year-date
        input, correcting or supplementing as necessary, and store, print,
        display or pass date/time data in a manner that is unambiguous as to
        century. No date/time data will cause any part of the Service Area
        Network to perform an abnormally ending routine or function within the
        Processes or generate incorrect final values or invalid results.

        31.     MARKETING COMMUNICATIONS GUIDELINES [ADDM V, SECTION1]. The
first bullet point in Section II.B of Exhibit 5.2 to the Management Agreement is
amended to read as follows:

                All uses of the Sprint marks must be in a manner generally
                consistent with overall Sprint brand positioning, as determined
                by Sprint from time to time. Sprint will review all
                advertising/communication strategy and make judgments on its
                consistency with the overall Sprint brand positioning within ten
                (10) days of receipt. If the

                                       44
<Page>

                strategy is judged to be inconsistent, it will not be used or
                will be changed to be consistent with Sprint brand positioning.
                Pre-production advertising/communications will be reviewed by
                Sprint for consistency with Sprint brand positioning and
                personality within ten (10) days of receipt. If the
                advertising/communications are judged to be inconsistent, it
                will not be used or will be changed to be consistent with the
                Sprint brand positioning and personality.

        32.     CUSTOMER SERVICE PROGRAM REQUIREMENTS [NEW]. Section 2 of
Addendum V is deleted. For clarification purposes, the Customer Service Program
Requirements are effective as of the Effective Date of this Addendum VIII, and
will not be applied retroactively.

                               SERVICES AGREEMENT

        33.     NON-EXCLUSIVE SERVICE [NEW]. Section 1.3 of the Services
Agreement is amended and restated in its entirety to read as follows:

                1.3     NON-EXCLUSIVE SERVICES. Nothing contained in this
        agreement confers upon Manager an exclusive right to any of the
        Services. Sprint Spectrum may contract with others to provide expertise
        and services identical or similar to those to be made available or
        provided to Manager under this agreement.

        34.     CHANGES TO ARTICLE 2 [NEW]. Article 2 of the Services Agreement
is amended and restated in its entirety to read as follows:

                                           2.   SERVICES

                2.1     SERVICES.

                        2.1.1   SERVICES. Subject to the terms of this
        agreement, through December 31, 2006, Manager will obtain the services
        set forth on SCHEDULE 2.1.1 attached to this agreement ("SERVICES") from
        Sprint Spectrum in accordance with this section 2.1, and Sprint Spectrum
        will provide all or none of the Services. For purposes of clarification,
        as of the Effective Date of Addendum VIII through December 31, 2006,
        Sprint Spectrum is providing all of the Services to Manager and Sprint
        Spectrum will not provide individual Services.

                        The fees charged for the Services and the process for
        setting the fees charged for the Services are set forth in section 3.2.
        Sprint Spectrum may designate additional Services upon at least 60 days'
        prior written notice to Manager by providing an amended SCHEDULE 2.1.1
        to Manager in accordance with the provisions of section 9.1.

                        Without Manager's prior written consent, neither Sprint
        Spectrum nor any of its Related Parties will require Manager to pay for:

                        (A)     any of those additional CCPU Services or CPGA
        Services to the extent that they are the same as or functionally
        equivalent to any service or benefit that Manager currently receives
        from Sprint Spectrum or its Related Parties or Sprint PCS or its Related
        Parties but for which Manager does not pay a separate fee immediately
        after the Effective Date, or

                                       45
<Page>

                        (B)     any other additional CCPU Services or CPGA
        Services through December 31, 2006. After that date the fee for those
        other additional Services will be included in the fees for CCPU Services
        and CPGA Services.

                        2.1.2   DISCONTINUANCE OF SERVICES. If Sprint Spectrum
        determines to no longer offer a Service, then Sprint Spectrum must

                                (i)     notify Manager in writing a reasonable
                        time before discontinuing the Service, except Sprint
                        will notify Manager at least 9 months before Sprint
                        plans to discontinue a significant Service (E.G.,
                        billing, collection and customer care).

                                (ii)    discontinue the Service to all Other
                        Managers.

        If Manager determines within 90 days after receipt of notice of
        discontinuance that it wants to continue to receive the Service, Sprint
        Spectrum will use commercially reasonable efforts to:

                                (a)     help Manager provide the Service itself
                        or find another vendor to provide the Service, and

                                (b)     facilitate Manager's transition to the
                        new Service provider.

                        The fees charged by Sprint Spectrum for the CCPU
        Services and CPGA Services will be reduced by any fees payable by
        Manager to a vendor or new Service provider in respect of discontinued
        CCPU Services and CPGA Services, if (x) Sprint Spectrum procures such
        CCPU Services or CPGA Services from a vendor or a new Service provider
        and bills those items as Settled-Separately Manager Expenses (as defined
        in subsection 3.2.5 of this agreement), or (y) Manager procures such
        CCPU Services or CPGA Services from a vendor or a new provider of
        Services, or (z) Manager self-provisions the Service. No adjustment to
        the fees will be made if Sprint Spectrum discontinues a CCPU Service or
        CPGA Service and Sprint Spectrum does not provide the CCPU Service or
        CPGA Service to end users.

                        2.1.3   PERFORMANCE OF SERVICES. Sprint Spectrum may
        select the method, location and means of providing the Services. If
        Sprint Spectrum wishes to use Manager's facilities to provide the
        Services, Sprint Spectrum must obtain Manager's prior written consent.

                2.2     THIRD PARTY VENDORS. Some of the Services might be
        provided by third party vendors under arrangements between Sprint
        Spectrum and the third party vendors. In some instances, Manager may
        receive Services from a third party vendor under the same terms and
        conditions that Sprint Spectrum receives those services. In other
        instances, Manager may receive Services under the terms and conditions
        set forth in an agreement between Manager and the third party vendor.

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<Page>

        35.     CHANGES TO ARTICLE 3 [NEW]. Section 14 of Addendum I is deleted.
Additionally Article 3 of the Services Agreement is amended and restated in its
entirety to read as follows:

                              3.   FEES FOR SERVICES

                3.1     SERVICES. Manager will pay Sprint Spectrum a fee for the
        Services provided by or on behalf of Sprint Spectrum now or in the
        future, subject to Section 2.1.1. Manager may not obtain these Services
        from other sources, except as provided in this agreement.

                        If an accounting classification change has the effect of
        moving a Service from a CCPU Service or CPGA Service to a
        Settled-Separately Manager Expense, the fees for the CCPU Services or
        CPGA Services, as applicable, charged by Sprint Spectrum will be reduced
        by the fees payable by Manager for the new Settled-Separately Manager
        Expense.

                3.2     FEES FOR SERVICES.

                        3.2.1   INITIAL PRICING PERIOD. The fees Manager will
        pay Sprint Spectrum for the CCPU Services and CPGA Services provided to
        Manager by or on behalf of Sprint Spectrum each month from the Effective
        Date of Addendum VIII until December 31, 2006 ("INITIAL PRICING
        PERIOD"), will be:

                        (a) for the CCPU Services:

                                (i)     from the Effective Date of Addendum VIII
                through December 31, 2004, $7.25 per subscriber;

                                (ii)    from January 1, 2005 through December
                31, 2005, $7.00 per subscriber; and

                                (iii)  from January 1, 2006 through December 31,
                2006, $6.75 per subscriber;

        each multiplied by the Number of Customers in Manager's Service Area,
        and

                        (b) for the CPGA Services: $23.00 multiplied by the
        Gross Customer Additions in Manager's Service Area.

                        The fees will be paid as set forth in section 10 of the
        Management Agreement.

                        Without limiting in any respect Manager's rights under
        section 1.10 of the Management Agreement to amend the terms in its
        Management Agreement and Services Agreement as described in that
        section, given the ongoing negotiation between Sprint PCS and the Other
        Managers at the time of the signing of this Addendum of the amount of
        the fees to be charged by Sprint PCS for CCPU Services and CPGA
        Services,

                                       47
<Page>

        the parties agree that Sprint PCS will reduce the amount of the fees
        charged by Sprint PCS to Manager for CCPU Services and CPGA Services
        (without Manager being required to accept any other changes to its
        Management Agreement or Services Agreement), if, before May 31, 2004,
        Sprint PCS reaches an agreement with an Other Manager to charge such
        Other Manager an amount less than the amount of the fees set forth in
        this Addendum for CCPU Services and CPGA Services, and the other
        economic conditions or terms applicable to such Other Manager are not
        changed from the other economic conditions or terms applicable to
        Manager. Sprint PCS will promptly notify Manager of the modified amounts
        and the modified amounts for CCPU Services and CPGA Services will apply
        to Manager as of the Effective Date and Sprint PCS will promptly
        reimburse or credit Manager for the amount of any overpayment. If
        economic terms in addition to amounts for CCPU Services and CPGA
        Services change, Sprint PCS will notify Manager in accordance with
        section 1.10 of the Management Agreement rather than as described in
        this paragraph.

                        3.2.2   PRICING PROCESS. The parties will reset the CCPU
        and CPGA amounts to be applied in each pricing period after the Initial
        Pricing Period ends. Each subsequent pricing period will last three
        years (if Manager continues to use Sprint Spectrum or a Related Party to
        provide these Services) with, for example, the second pricing period
        beginning on January 1, 2007 and ending on December 31, 2009.

                        The process for resetting the amounts is as follows:

                        (a) Sprint Spectrum will give Manager proposed CCPU and
        CPGA amounts by October 31 of the calendar year before the calendar year
        in which the then current pricing period ends (e.g. if the pricing
        period ends on December 31, 2006 then the amounts have to be presented
        by October 31, 2005). The proposed amounts will be based on the amount
        necessary to recover Sprint PCS' reasonable costs for providing the CCPU
        Services and CPGA Services to Manager and the Other Managers. Manager's
        representative and the Sprint PCS representative will begin discussions
        regarding the proposed CCPU and CPGA amounts within 20 days after
        Manager receives the proposed CCPU and CPGA amounts from Sprint
        Spectrum.

                        (b) The fee Manager will pay Sprint Spectrum for the
        CCPU Services provided to Manager by or on behalf of Sprint Spectrum
        each month beginning on January 1, 2007 until December 31, 2008 under
        the pricing process described in this section 3.2.2 will not exceed
        $8.50 per subscriber multiplied by the Number of Customers in Manager's
        Service Area.

                        (c) If the parties do not agree on new CCPU and CPGA
        amounts within 30 days after the discussions begin, then Manager may
        escalate the discussion to the Sprint PCS Chief Financial Officer or
        Sprint Spectrum may escalate the discussion to Manager's Chief Executive
        Officer or Chief Financial Officer.

                        (d) If the parties cannot agree on the new CCPU and CPGA
        amounts through the escalation process within 20 days after the
        escalation process begins, then

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<Page>

        Manager may either

                                (i)     submit the determination of the CCPU and
                        CPGA amounts to binding arbitration under section 14.2
                        of this agreement, excluding the escalation process set
                        forth in section 14.1 and continue obtaining all of the
                        CCPU Services and CPGA Services from Sprint Spectrum at
                        the CCPU and CPGA amounts the arbitrator determines, or

                                (ii)    procure from a vendor other than Sprint
                        Spectrum or self-provision all of the Services.

                        By December 1, 2006, the parties will agree on a service
        level agreement for customer care services and collection services
        ("CUSTOMER-RELATED SERVICES") that will apply to Customer-Related
        Services delivered by Sprint Spectrum starting on January 1, 2007. If
        the parties cannot agree on a service level agreement by December 1,
        2006, either party may submit a proposed service level agreement to
        binding arbitration under section 14.2 of the Management Agreement,
        excluding the escalation process set forth in section 14.1. If the
        arbitration concludes after January 1, 2007 the service level agreement,
        as agreed upon through the arbitration process, will be effective as of
        January 1, 2007. The agreement will set forth 5 metrics for
        Customer-Related Services and will provide that Sprint Spectrum will use
        commercially reasonable efforts to meet the industry averages for those
        metrics as in effect on December 1, 2006. The 5 metrics are:

        (a) Service Grade Rate defined as percentage of calls answered in 60
            seconds or less after the customer enters the call queue.

        (b) Average Hold Time defined as average time a customer waits to talk
            to a customer service representative once the customer enters the
            call queue.

        (c) Abandoned Call Rate defined as the percentage of calls that
            disconnect prior to talking to a customer service representative
            after the customer enters the call queue.

        (d) Net Write-Offs Rate defined as monthly write-offs of accounts
            receivable, net of customer deposits, divided by monthly subscriber
            revenue.

        (e) Past-Due Accounts Receivable Aging Rates defined as percentage of
            accounts receivable greater than 60 days from due date.

                        The service level agreement will provide that Sprint
        Spectrum will give Manager a quarterly report on the above metrics.
        Beginning in 2008, Manager will have the right to opt out of Sprint
        Spectrum providing the Customer Related Services if the average of the
        metrics reflected in the four quarterly reports for the prior calendar
        year indicate that Sprint Spectrum is not in compliance with any 2 of
        the 5 metrics. To exercise the opt-out right, Manager must give its
        opt-out notice to Sprint Spectrum during the first quarter of any
        calendar year that Manager has an opt-out right. Upon receipt of an
        opt-out notice, Manager and Sprint Spectrum will use commercially
        reasonable efforts to transition the Customer-Related Services to
        Manager or a

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<Page>

        third party vendor within 9 months after the opt-out notice date. Upon
        the parties' completion of the transition, the parties will agree to an
        adjustment to the CCPU Service Fee being charged by Sprint Spectrum to
        Manager. If the parties cannot agree to an adjustment, Manager has the
        right to submit the determination to binding arbitration under section
        14.2 of the Management Agreement, excluding the escalation process set
        forth in section 14.1, and continue obtaining all the CPGA Services and
        remaining CCPU services from Sprint Spectrum. Manager will reimburse
        Sprint Spectrum for transition and continuing operation costs in
        accordance with Section 3.2.4.

                        Manager's opt-out right described above is its sole
        remedy if Sprint Spectrum is not in compliance with the metrics; Sprint
        Spectrum's non-compliance with the metrics does not constitute a breach
        of this agreement or any other agreement between the parties.

                        Manager has the right to propose to Sprint Spectrum that
        Manager self-provision or procure from a vendor some, but not all, of
        the Services. Sprint Spectrum will discuss the proposal with Manager,
        but Manager can only self-provision or procure from a vendor some of the
        Services if Sprint Spectrum agrees.

                        Manager will begin paying Sprint Spectrum under the CCPU
        and CPGA amounts that Sprint Spectrum presents for discussion at the
        beginning of the new pricing period until the date on which the parties
        agree or until the arbitrator determines the new CCPU and CPGA amounts,
        whichever occurs first. Within 30 days after the amounts are determined
        (either by agreement or by arbitration), Sprint PCS will recalculate the
        fees from the beginning of the new pricing period and give notice to
        Manager of what the fees are and the amount of any adjusting payments
        required. If Sprint PCS owes Manager a refund of fees already paid,
        Sprint PCS may pay the amount to Manager or Sprint PCS, in its sole
        discretion, may credit the amount of the refund against any amounts
        Manager then owes to Sprint PCS. If Sprint PCS chooses to pay the
        refund, it will make the payment at the time it sends the notice to
        Manager; If Sprint PCS chooses to credit the refund, it will in the
        notice indicate the amounts owing to which the credit will be applied.
        If Manager owes Sprint PCS additional fees Manager will pay those fees
        to Sprint PCS within 10 days after receipt of the notice.

                        3.2.3   SPRINT SPECTRUM FIRST RIGHT OF REFUSAL. Manager
        must give Sprint Spectrum written notice of Manager's decision to
        procure the Services from a third party vendor the Services at least 120
        days before the end of the Initial Pricing Period or any subsequent
        three-year pricing period and provide the third party vendor terms to
        Sprint Spectrum. Sprint Spectrum will have 30 days from the date it
        receives the third party vendor's terms to decide if it will provide
        those Services to Manager under those terms.

                        Manager must agree to receive the Services from Sprint
        Spectrum if Sprint Spectrum gives notice to Manager that it will provide
        the Services to Manager on the third party vendor terms. If Sprint
        Spectrum does not exercise its first right of refusal, Manager must sign
        the agreement with the third party vendor on the same terms and
        conditions as presented to Sprint Spectrum within 10 Business Days after
        Sprint Spectrum notifies Manager of its decision not to exercise the
        first right of refusal or the expiration of the 30-day period, whichever
        occurs first. The procedure set forth in this

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<Page>

        section 3.2.3 will begin again if Manager does not sign the agreement
        with the third party vendor as required in the preceding sentence.

                        3.2.4   TRANSITION AND CONTINUING OPERATING COSTS.
        Sprint Spectrum will cooperate with Manager and work diligently and in
        good faith to implement the transition to another service provider
        (including Manager, if applicable), in a reasonably efficient and
        expeditious manner.

                        Manager will pay for all reasonable out-of-pocket costs
        that Sprint Spectrum and its Related Parties actually incur to (i)
        transfer any Service(s) provided to Manager to a third party vendor or
        to enable Manager to self-provide any Service(s), and (ii) operate and
        maintain systems, processes, licenses and equipment to support those
        Services. Sprint Spectrum will bill Manager monthly for these costs.

                        3.2.5   SETTLED-SEPARATELY MANAGER EXPENSES. Manager
        will pay to or reimburse Sprint Spectrum for any amounts that Sprint
        Spectrum or its Related Parties pays for Settled-Separately Manager
        Expenses. "SETTLED-SEPARATELY MANAGER EXPENSES" means those items the
        parties choose to settle separately between themselves (e.g. accessory
        margins, reciprocal retail store cost recovery) that are listed in
        sections C and D of SCHEDULE 2.1.1.

                        Sprint Spectrum will give Manager at least 60 days'
        prior written notice by providing an amended SCHEDULE 2.1.1 to Manager
        in accordance with the provisions of section 9.1 of any additional
        Services added to sections C and D of SCHEDULE 2.1.1, but no additional
        service may be added to the extent it is the same as, or functionally
        equivalent to, either:

                                (a)     any service that Sprint Spectrum or any
                of its Related Parties currently provides to Manager as a CCPU
                Service or a CPGA Service (unless the fees payable by Manager to
                Sprint Spectrum hereunder are correspondingly reduced) or

                                (b)     any service or benefit that Manager
                currently receives from Sprint Spectrum or its Related Parties
                but for which Manager does not pay a separate fee before the
                Effective Date.

                        For each Settled-Separately Manager Expense, Sprint
        Spectrum will provide sufficient detail to enable Manager to determine
        how the expense was calculated, including the unit of measurement (E.G.,
        per subscriber per month or per call) and the record of the occurrences
        generating the expense (E.G., the number of calls attributable to the
        expense). If an expense is not reasonably subject to occurrence level
        detail, Sprint Spectrum will provide reasonable detail on the process
        used to calculate the fee and the process must be reasonable. A detail
        or process is reasonable if it is substantially in the form as is
        customarily used in the wireless industry. The Settled-Separately
        Manager Expenses will be paid as set forth in section 10 of the
        Management Agreement. Sprint Spectrum and its Related Parties may
        arrange for Manager to pay any of the Settled-

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<Page>

        Separately Manager Expenses directly to the vendor after giving Manager
        reasonable notice.

                        Unless Manager specifically agrees otherwise, any
        Settled-Separately Manager Expense that Sprint Spectrum or any of its
        Related Parties is entitled to charge or pass through to Manager under
        this agreement or the Management Agreement will reflect solely
        out-of-pocket costs and expenses that Sprint Spectrum or its Related
        Parties actually incur, will be usage-based or directly related to
        revenue-generating products and services, and will not include any
        allocation of Sprint PCS' or its Related Parties' internal costs or
        expenses (including, but not limited to, allocations of general and
        administrative expenses or allocations of employee compensation or
        related expenses). For clarity, Sprint Spectrum's or its Related
        Parties' out-of-pocket costs for handset and accessory inventory consist
        of actual inventory invoice costs less any volume incentive rebates and
        price protection credits that Sprint Spectrum or its Related Parties
        receive from a vendor.

                3.3     LATE PAYMENTS. Any payment due under this section 3 that
        Manager fails to pay to Sprint Spectrum in accordance with this
        agreement will bear interest at the Default Rate beginning (and
        including) the 6th day after the due date stated on the invoice until
        (and including) the date on which the payment is made.

                3.4     TAXES. Manager will pay or reimburse Sprint Spectrum for
        any sales, use, gross receipts or similar tax, administrative fee,
        telecommunications fee or surcharge for taxes or fees that a
        governmental authority levies on the fees and charges that Manager pays
        to Sprint Spectrum or a Related Party.

        36.     AUDIT [NEW]. Section 5.1.2 of the Services Agreement is amended
and restated in its entirety to read as follows:

                5.1.2   AUDITS. On reasonable advance notice by one party, the
        other party must provide its independent or internal auditors access to
        its appropriate financial and operating records, including, without
        limitation, vendor and distribution agreements, for purposes of auditing
        the amount of fees (including the appropriateness of items included in
        Settled-Separately Manager Expenses), costs, expenses (including
        operating metrics referred to in this agreement and the Services
        Agreement relating to or used in the determination of Inter Service Area
        Fees, Reseller Customer Fees, CCPU Services or CPGA Services) or other
        charges payable in connection with the Service Area for the period
        audited. The party that requested the audit may decide if the audit is
        conducted by the other party's independent or internal auditors. Manager
        and Sprint Spectrum may each request no more than one audit per year.

                        (a)     If the audit shows that Sprint Spectrum was
                underpaid then, unless the amount is contested, Manager will pay
                to Sprint Spectrum the amount of the underpayment within 10
                Business Days after Sprint Spectrum gives Manager written notice
                of the underpayment determination.

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<Page>

                        (b)     If the audit determines that Sprint Spectrum was
                overpaid then, unless the amount is contested, Sprint Spectrum
                will pay to Manager the amount of the overpayment within 10
                Business Days after Manager gives Sprint Spectrum written notice
                of the overpayment determination.

                The auditing party will pay all costs and expenses related to
        the audit unless the amount owed to the audited party is reduced by more
        than 10% or the amount owed by the audited party is increased by more
        than 10%, in which case the audited party will pay the costs and
        expenses related to the audit.

                If either party disputes the auditor's conclusion then the
        dispute will be submitted to binding arbitration in accordance with
        section 14.2 of the Management Agreement, excluding the escalation
        process set forth in section 14.1 of the Management Agreement.

                Sprint PCS will provide a Type II Report to Manager twice
        annually. If Manager, on the advice of its independent auditors or its
        legal counsel, determines that a statute, regulation, rule, judicial
        decision or interpretation, or audit or accounting rule, policy or
        literature published by the accounting or auditing profession or other
        authoritative rule making body (such as the Securities and Exchange
        Commission, the Public Company Accounting Oversight Board or the
        Financial Accounting Standards Board) requires additional assurances
        beyond SAS 70, then Sprint Spectrum will cooperate with Manager to
        provide the additional assurances. Sprint Spectrum's independent
        auditors will prepare any Type II Report or Manager Management Report
        provided under this section 5.1.2 and will provide an opinion on the
        controls placed in operation and tests of operating effectiveness of
        those controls in effect at Sprint PCS over Manager Management
        Processes.

        37.     NOTICES [NEW AND ADDM IV, SECTION5]. Section 9.1 of the Services
Agreement is amended and restated in its entirety to read as follows:

                9.1     NOTICES. Any notice, payment, invoice, demand or
        communication required or permitted to be given by any provision of this
        agreement must be in writing and mailed (certified or registered mail,
        postage prepaid, return receipt requested), sent by hand or overnight
        courier, charges prepaid or sent by facsimile or email (in either
        instance with acknowledgement or read receipt received), and addressed
        as described in section 17.1(b) of the Management Agreement, or to any
        other address or number as the person or entity may from time to time
        specify by written notice to the other parties.

                The subject line of any email notice that purports to add any
        additional service to SCHEDULE 2.1.1 must read "Additional Service to
        Schedule 2.1.1". The new SCHEDULE 2.1.1 must also be attached to the
        email, and notice will also be provided to those individuals listed for
        notices for Manager regarding Program Requirement Changes set forth in
        section 17.1(b) of the Management Agreement.

                Any notice, demand or communication intended to be notice of a
        breach of an agreement or notice of an Event of Termination must clearly
        indicate that intent, state the

                                       53
<Page>

        section(s) of the agreements allegedly breached, and in addition to any
        other form of notice it must be mailed or sent by overnight courier in
        the manner described in the first paragraph of this section 9.1.

                Manager will promptly give Sprint PCS a copy of any notice
        Manager receives from the Administrative Agent or any Lender, and a copy
        of any notice Manager gives to the Administrative Agent or any Lender.
        Sprint PCS will promptly give Manager a copy of any notice that Sprint
        PCS receives from the Administrative Agent or any Lender and a copy of
        any notice that Sprint PCS gives to the Administrative Agent or any
        Lender.

                All notices and other communications given to a party in
        accordance with the provisions of this agreement will be deemed to have
        been given when received.

        38.     ENTIRE AGREEMENT; AMENDMENTS [NEW]. Section 9.6 of the Services
Agreement is amended and restated in its entirety to read as follows:

                9.6     ENTIRE AGREEMENT; AMENDMENTS. The provisions of this
        agreement and the Management Agreement including the exhibits to those
        agreements set forth the entire agreement and understanding between the
        parties as to the subject matter of this agreement and supersede all
        prior agreements, oral or written, and other communications between the
        parties relating to the subject matter of this agreement. Except for
        Sprint Spectrum's right to add additional Services to SCHEDULE 2.1.1
        subject to the provisions of section 2.1.1 and section 3.2.5, this
        agreement may be modified or amended only by a written amendment signed
        by the persons or entities authorized to bind each party.

        39.     FORCE MAJEURE [NEW]. The second paragraph of section 9.8 of the
Services Agreement is amended and restated in its entirety to read as follows:

                Neither Manager nor Sprint Spectrum, as the case may be, is in
        breach of any covenant in this agreement and no Event of Termination
        will occur as a result of the failure of such party to comply with any
        covenant, if the party's non-compliance with the covenant results
        primarily from:

                                (i)     any FCC order or any other injunction
                        that any governmental authority issues that impedes the
                        party's ability to comply with the covenant,

                                (ii)    the failure of any governmental
                        authority to grant any consent, approval, waiver or
                        authorization or any delay on the part of any
                        governmental authority in granting any consent,
                        approval, waiver or authorization,

                                (iii)   the failure of any vendor to deliver in
                        a timely manner any equipment or service, or

                                       54
<Page>

                                (iv)    any act of God, act of war or
                        insurrection, riot, fire, accident, explosion, labor
                        unrest, strike, civil unrest, work stoppage,
                        condemnation or any similar cause or event not
                        reasonably within the control of the party.

        40.     GOVERNING LAW, JURISDICTION AND CONSENT TO SERVICE OF PROCESS.
[NEW]. Section 9.11 of the Services Agreement is replaced with the following
language:

                9.11    GOVERNING LAW, JURISDICTION AND SERVICE OF PROCESS.

                        9.11.1  GOVERNING LAW. The internal laws of the State of
                Kansas (without regard to principles of conflicts of law) govern
                the validity of this agreement, the construction of its terms,
                and the interpretation of the rights and duties of the parties.

                        9.11.2  JURISDICTION; CONSENT TO SERVICE OF PROCESS.

                                (a)     Each party hereby irrevocably and
                unconditionally submits, for itself and its property, to the
                nonexclusive jurisdiction of any Kansas State court sitting in
                the County of Johnson or any Federal court of the United States
                of America sitting in the District of Kansas, and any appellate
                court from any such court, in any suit action or proceeding
                arising out of or relating to this agreement, or for recognition
                or enforcement of any judgment, and each party hereby
                irrevocably and unconditionally agrees that all claims in
                respect of any such suit, action or proceeding may be heard and
                determined in such Kansas State Court or, to the extent
                permitted by law, in such Federal court.

                                (b)     Each party hereby irrevocably and
                unconditionally waives, to the fullest extent it may legally do
                so, any objection which it may now or hereafter have to the
                laying of venue of any suit, action or proceeding arising out of
                or relating to this agreement in Kansas State court sitting in
                the County of Johnson or any Federal court sitting in the
                District of Kansas. Each party hereby irrevocably waives, to the
                fullest extent permitted by law, the defense of an inconvenient
                forum to the maintenance of such suit, action or proceeding in
                any such court and further waives the right to object, with
                respect to such suit, action or proceeding, that such court does
                not have jurisdiction over such party.

                                (c)     Each party irrevocably consents to
                service of process in the manner provided for the giving of
                notices pursuant to this agreement, PROVIDED that such service
                shall be deemed to have been given only when actually received
                by such party. Nothing in this agreement shall affect the right
                of a party to serve process in another manner permitted by law.

                          TRADEMARK LICENSE AGREEMENTS

                                       55
<Page>

        41.     NOTICES [NEW]. Section 15.1 of each of the Trademark License
Agreements is amended and restated in its entirety to read as follows:

                Section 15.1. NOTICES. Any notice, payment, invoice, demand or
        communication required or permitted to be given by any provision of this
        agreement must be in writing and mailed (certified or registered mail,
        postage prepaid, return receipt requested), sent by hand or overnight
        courier, or sent by facsimile (with acknowledgment received), charges
        prepaid and addressed as described in section 17.1(b) of the Management
        Agreement, or to any other address or number as the person or entity may
        from time to time specify by written notice to the other parties.

                Any notice, demand or communication intended to be notice of a
        breach of an agreement or notice of an Event of Termination must clearly
        indicate that intent, state the section(s) of the agreements allegedly
        breached, and be mailed or sent by overnight courier in the manner
        described in the preceding paragraph.

                Licensee will promptly give Licensor a copy of any notice
        Licensee receives from any Administrative Agent or any Lender, and a
        copy of any notice Licensee gives to any Administrative Agent or any
        Lender. Licensor will promptly give Licensee a copy of any notice that
        Licensor receives from the Administrative Agent or any Lender and a copy
        of any notice that Licensor gives to the Administrative Agent or any
        Lender.

                All notices and other communications given to a party in
        accordance with the provisions of this agreement will be deemed to have
        been given when received.

        42.     GOVERNING LAW [NEW]. Section 15.8 of each of the Trademark
License Agreements is replaced by the following language:

                15.8    GOVERNING LAW. The internal laws of the State of Kansas
        (without regard to principles of conflicts of law) govern the validity
        of this agreement, the construction of its terms, and the interpretation
        of the rights and duties of the parties.

        43.     JURISDICTION [NEW]. Section 15.13 of each of the Trademark
License Agreements is replaced by the following language:

                15.13   JURISDICTION; CONSENT TO SERVICE OF PROCESS.

                        (a)     Each party hereby irrevocably and
        unconditionally submits, for itself and its property, to the
        nonexclusive jurisdiction of any Kansas State court sitting in the
        County of Johnson or any Federal court of the United States of America
        sitting in the District of Kansas, and any appellate court from any such
        court, in any suit action or proceeding arising out of or relating to
        this agreement, or for recognition or enforcement of any judgment, and
        each party hereby irrevocably and unconditionally agrees that all claims
        in respect of any such suit, action

                                       56
<Page>

        or proceeding may be heard and determined in such Kansas State Court or,
        to the extent permitted by law, in such Federal court.

                        (b)     Each party hereby irrevocably and
        unconditionally waives, to the fullest extent it may legally do so, any
        objection which it may now or hereafter have to the laying of venue of
        any suit, action or proceeding arising out of or relating to this
        agreement in Kansas State court sitting in the County of Johnson or any
        Federal court sitting in the District of Kansas. Each party hereby
        irrevocably waives, to the fullest extent permitted by law, the defense
        of an inconvenient forum to the maintenance of such suit, action or
        proceeding in any such court and further waives the right to object,
        with respect to such suit, action or proceeding, that such court does
        not have jurisdiction over such party.

                        (c)     Each party irrevocably consents to service of
        process in the manner provided for the giving of notices pursuant to
        this agreement, PROVIDED that such service shall be deemed to have been
        given only when actually received by such party. Nothing in this
        agreement shall affect the right of a party to serve process in another
        manner permitted by law.

                             SCHEDULE OF DEFINITIONS

        44.     DELETED DEFINITIONS [ADDM I, SECTION2 AND NEW]. The definition
of "Available Services" is deleted.

        45.     ADDITIONAL, AMENDED OR SUPPLEMENTED DEFINITIONS [NEW]. The
following are new or amended definitions, unless otherwise indicated.

                "ALLOCABLE SOFTWARE FEE" has the meaning set forth in section
        1.3.4(e) of the Management Agreement.

                "ALLOCATED WRITE-OFFS" has the meaning set forth in section
        10.3.4 of the Management Agreement.

                "AMOUNT BILLED (NET OF CUSTOMER CREDITS)" has the meaning set
        forth in section 10.3.3 of the Management Agreement.

                "AWAY NETWORK" means:

                                (i)     any portion of the Sprint PCS Network
                        other than Manager's Service Area Network, in the case
                        of Customers with an NPA-NXX assigned to the Service
                        Area (or any other such designation in accordance with
                        section 17.17 of the Management Agreement), and

                                (ii)    Manager's Service Area Network, in the
                        case of Customers with an NPA-NXX assigned to an area
                        outside the Service Area (or any other such designation
                        in accordance with section 17.17 of the Management
                        Agreement).

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<Page>

                "BILLED COMPONENT(s)" has the meaning set forth in section
        10.3.2 of the Management Agreement.

                "BILLED MONTH" has the meaning set forth in section 10.2.1 of
        the Management Agreement.

                "BILLED REVENUE" has the meaning set forth in section 10.2.1 of
        the Management Agreement.

                "CAPITAL PROGRAM REQUIREMENT CHANGE" has the meaning set forth
        in section 9.3.1(b) of the Management Agreement.

                "CCPU SERVICES" means those Services listed in section A of
        Schedule 2.1.1 to the Services Agreement.

                "CHIEF FINANCIAL OFFICER OF SPRINT PCS", "SPRINT PCS CHIEF
        FINANCIAL OFFICER" and other references to the Chief Financial Officer
        of Sprint PCS mean the Senior Vice President - Finance of Sprint
        Corporation designated to serve as the chief financial officer of Sprint
        PCS or if none, the individual serving in that capacity.

                "CPGA SERVICES" means those Services listed in section B of
        Schedule 2.1.1 to the Services Agreement.

                "CSA" has the meaning set forth in section 10.2.1 of the
        Management Agreement.

                "CUSTOMER" means any customer, except Reseller Customers or
        customers of third parties for which Manager provides solely switching
        services, who purchases Sprint PCS Products and Services, regardless of
        where their NPA-NXX is assigned.

                "CUSTOMER CREDITS" has the meaning set forth in section 10.2.1
        of the Management Agreement.

                "CUSTOMER EQUIPMENT CHARGES" has the meaning set forth in
        section 10.3.2.5 of the Management Agreement.

                "CUSTOMER EQUIPMENT CREDITS" has the meaning set forth in
        section 10.3.2.2 of the Management Agreement.

                "CUSTOMER-RELATED SERVICES" has the meaning set forth in section
        3.2.2 of the Services Agreement.

                "CUSTOMER TAXES" means the amounts that Sprint PCS bills to
        Manager Accounts for taxes, including, without limitation, federal,
        state, and local sales, use, gross and excise tax.

                "EFFECTIVE DATE" has the meaning set forth in the preamble of
        this Addendum.

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<Page>

                "ENTERPRISE VALUE" means either:

                (i) if Manager has issued publicly-traded equity, the combined
        book value of an entity's outstanding debt and preferred stock less cash
        plus the fair market value of each class of its publicly-traded equity
        other than any publicly-traded preferred stock. For the purposes of this
        definition, the fair market value of a class of an entity's
        publicly-traded equity (other than publicly-traded preferred stock) is
        equal to the product of:

                                (A)     the number of issued and outstanding
                        shares of the class of publicly-traded equity as of the
                        date of determination, times

                                (B)     the applicable average closing price (or
                        average closing bid, if traded on the over-the-counter
                        market) per share of the class of publicly-traded equity
                        over the 21 consecutive trading days immediately
                        preceding the date of determination; or

                (ii)    if Manager has not issued publicly-traded equity, the
        combined book value of an entity's outstanding debt and equity less
        cash.

                "E911 PHASE I SURCHARGES" means all costs related to Phase I
        E911 functionality.

                "E911 PHASE II SURCHARGES" has the meaning set forth in section
        10.3.2.6 of the Management Agreement.

                "ETC" has the meaning set forth in section 10.6.1 of the
        Management Agreement.

                "EXISTING RESALE AGREEMENTS" has the meaning set forth in
        section 10.4.1.1 of the Management Agreement.

                "FEE BASED ON BILLED REVENUE" has the meaning set forth in
        section 10.2.1 of the Management Agreement.

                "GROSS CUSTOMER ADDITIONS IN MANAGER'S SERVICE AREA" means the
        average number of Customers activated (without taking into consideration
        the number of Customers lost) during the previous month with an NPA-NXX
        assigned to the Service Area as reported in Sprint PCS' most recent
        monthly KPI report.

                "INITIAL 3G DATA FEE PERIOD" has the meaning set forth in
        section 10.4.1.3(a) of the Management Agreement.

                "INITIAL PRICING PERIOD" has the meaning set forth in section
        3.2.1 of the Services Agreement.

                "INTER SERVICE AREA FEE" has the meaning set forth in section
        4.3 of the Management Agreement.

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<Page>

                "INVESTMENT BANKER" has the meaning set forth in section 9.3.2
        of the Management Agreement.

                "MACKINAC BTAS" has the meaning set forth in section 2.1 of the
        Management Agreement.

                "MACKINAC BUILD-OUT" has the meaning set forth in section 2.1 of
        the Management Agreement.

                "MANAGER ACCOUNTS" has the meaning set forth in section 10.2.1
        of the Management Agreement.

                "MANAGER MANAGEMENT PROCESS" has the meaning set forth in
        section 12.1.2 of the Management Agreement.

                "MANAGER MANAGEMENT REPORT" has the meaning set forth in section
        12.1.2 of the Management Agreement.

                "NET BILLED REVENUE" has the meaning set forth in section 10.2.1
        of the Management Agreement.

                "NET SOFTWARE COST" means the amount paid by Sprint PCS to the
        vendor directly associated with the Software used by Manager in the
        Service Area for which Manager is not obligated to pay the Software
        vendor directly, net of any discounts or rebates and excluding any
        mark-up by Sprint PCS for administrative or other fees, and is limited
        to that proportionate amount attributable to Manager.

                "NEW COVERAGE" means the build-out in the Service Area that is
        in addition to the build-out required under the then-existing Build-out
        Plan, which build-out Sprint PCS or Manager decides should be built-out.

                "NPA-NXX" means NPA-NXX or an equivalent identifier, such as a
        network access identifier (NAI).

                "NON-CAPITAL PROGRAM REQUIREMENT CHANGE" has the meaning set
        forth in section 9.3.1(a) of the Management Agreement.

                "NUMBER OF CUSTOMERS IN MANAGER'S SERVICE AREA" means the
        average number of Customers with NPA-NXXs assigned to the Service Area
        reported in Sprint PCS' most recent monthly KPI report.

                "OUTBOUND ROAMING FEES" means the amounts that Sprint PCS or its
        Related Parties bills to Manager Accounts for calls placed on a
        non-Sprint PCS Network.

                "OVERALL CHANGES" has the meaning set forth in section 1.10(a)
        of the Management Agreement.

                                       60
<Page>

                "PROGRAM REQUIREMENT CHANGE" means a change in a Program
        Requirement issued by Sprint PCS in accordance with section 9.2 of the
        Management Agreement.

                "RESELLER CUSTOMER" means customers of companies or
        organizations with a Private Label PCS Services or similar resale
        agreement with Sprint PCS or Manager.

                "RESELLER CUSTOMER FEES" has the meaning set forth in section
        10.4.1.1 of the Management Agreement.

                "SCCLP" has the meaning set forth in section 3.4.2(b) of the
        Management Agreement.

                "SERVICES" has the meaning set forth in section 2.1.1 of the
        Services Agreement.

                "SELECTED SERVICES" means Services.

                "SERVICE AREA NETWORK" means the network that is directly
        required for the provision of telecommunications services to Customers
        and is managed by Manager under the Management Agreement in the Service
        Area under the License.

                "SETTLED-SEPARATELY MANAGER EXPENSES" has the meaning set forth
        in section 3.2.5 of the Services Agreement.

                "SOFTWARE" means only that software and software features
        currently existing or developed in the future that are used in
        connection with telecommunications equipment owned or leased by Manager
        in Manager's provisioning of wireless services in the Service Area and
        includes, without limitation, software maintenance, updates,
        improvements, upgrades and modifications. "Software" expressly excludes:

                                (i)     software "rights to use" licenses to the
                        extent paid to the licensor directly by Manager, and

                                (ii)    software operating Sprint PCS' national
                        platforms, billing system platforms, customer service
                        platforms and like applications.

                "SOFTWARE FEES" means costs associated (including applicable
        license fees) with procuring software, software maintenance, software
        upgrades and other software costs needed to provide uniform and
        consistent operation of the wireless systems within the Sprint PCS
        Network.

                "SPRINT PCS" means any or all of the following Related Parties
        who are License holders or signatories to the Management Agreement:
        Sprint Spectrum L.P., a Delaware limited partnership, WirelessCo, L.P.,
        a Delaware limited partnership, SprintCom, Inc., a Kansas corporation,
        PhillieCo Partners I, L.P., a Delaware limited partnership, PhillieCo,
        L.P., a Delaware limited partnership, Sprint Telephony PCS, L.P., a
        Delaware limited partnership, Sprint PCS License, L.L.C., a Delaware
        limited liability company, American PCS Communications, LLC, a Delaware
        limited liability company, and APC PCS, LLC,

                                       61
<Page>

        a Delaware limited liability company. Any reference in the Management
        Agreement or Services Agreement to Cox Communications PCS, L.P., a
        Delaware limited partnership, or Cox PCS License, L.L.C., a Delaware
        limited liability company, is changed to Sprint Telephony PCS, L.P., a
        Delaware limited partnership, or Sprint PCS License, L.L.C., a Delaware
        limited liability company, respectively, to reflect name changes filed
        with the Delaware Secretary of State in 2002.

                "SPRINT PCS ARPU" means the average revenue per user publicly
        announced by Sprint PCS or its Related Parties for the most recent
        calendar year. Sprint PCS ARPU is generally calculated by dividing
        wireless service revenues by average wireless subscribers.

                "SPRINT PCS RETAIL YIELD FOR VOICE AND 2G DATA USAGE" means the
        quotient calculated by dividing (a) Sprint PCS ARPU less the 3G data
        component in the Sprint PCS ARPU by (b) the reported minutes of use per
        subscriber for the calendar year for which the Sprint PCS ARPU was
        calculated.

                "SPRINT PCS RETAIL YIELD FOR 3G DATA USAGE" means the quotient
        calculated by dividing (a) the 3G data component in the Sprint PCS ARPU
        by (b) the kilobytes of use for 3G data usage per subscriber for the
        calendar year for which the Sprint PCS ARPU was calculated.

                "SUBSIDY FUNDS" has the meaning set forth in section 10.6.1 of
        the Management Agreement.

                "3M-POPS MANAGER" means any Other Manager whose ultimate parent
        entity (as defined by the Hart-Scott-Rodino Antitrust Improvements Act
        of 1976) controls entities with 3 million or more covered pops.

                "TRANSITION DATE" has the meaning set forth in section 10.12.3
        of the Management Agreement.

                "TYPE II REPORT" has the meaning set forth in section 12.1.2 of
        the Management Agreement.

                "ULTIMATE PARENT" has the meaning set forth in the
        Hart-Scott-Rodino Antitrust Improvements Act of 1976.

                "USF CHARGES" has the meaning set forth in section 10.3.2.7 of
        the Management Agreement.

                "VENDOR SOFTWARE" has the meaning set forth in section 1.3.4(b)
        of the Management Agreement.

                "WIRELESS MOBILITY COMMUNICATIONS NETWORK" means a radio
        communications system operating in the 1900 MHz spectrum range under the
        rules designated as Subpart E of Part 24 of the FCC's rules.

                                       62
<Page>

                "WLNP SURCHARGES" has the meaning set forth in section 10.2.4 of
        the Management Agreement.

                "WRITE-OFFS" has the meaning set forth in section 10.3.1 of the
        Management Agreement.

                "YEAR 2000 COMPLIANCE" has the meaning set forth in section
        17.29 of the Management Agreement.

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<Page>

B.      CROSS-REFERENCES TO OTHER PARAGRAPHS IN PREVIOUS ADDENDA.

                Listed below are those paragraphs in the previous addenda that
are interpretations or applications of the Management Agreement, the Services
Agreement, the Trademark License Agreements or the Schedule of Definitions and
that are not listed above. These serve as cross-references to facilitate finding
provisions in the previous addenda. The number shown at the beginning of each
item is the paragraph reference in the designated Addendum.

        ADDENDUM II

                1       Use of Loan Proceeds
                2       Consent and Agreement Not Assignable
                3       Notices
                4       No Default Under Credit Agreement or Management
                        Agreement
                5       No Known Breach Under Management Agreement

        ADDENDUM III

                1       Expansion of Service Area
                3       Build-out Plan
                4       Purchase of Assets
                5       Manager's Option
                6       Fixed Wireless Local Loop
                7       Build-Out of Des Moines and Omaha
                8       Expedite Fees
                14      Additional Terms and Provisions

        ADDENDUM IV

                1       Confirmation of Restructuring and Assumption of Sprint
                        Agreements
                2       Use of Loan Proceeds
                3       Financing
                4       Consent and Agreement Not Assignable
                6       No Default Under Credit Agreement or Management
                        Agreement
                7       No Known Breach Under Management Agreement
                9       Counterparts

        ADDENDUM V

                3       Counterparts

        ADDENDUM VI

                2       Subscribers
                3       Counterparts

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        ADDENDUM VII (All are related to spectrum swap)

                1       Change in Spectrum Range
                2       Build-out Schedule
                3       Microwave Relocation
                4       Disaggregation
                5       Consideration
                6       Expenses
                7       Right to Terminate
                8       Counterparts

                                       65
<Page>

        C.      OTHER PROVISIONS.

        1.      MANAGER AND SPRINT PCS' REPRESENTATIONS. Manager and Sprint PCS
each represents and warrants that its respective execution, delivery and
performance of its obligations described in this Addendum have been duly
authorized by proper action of its governing body and do not and will not
violate any material agreements to which it is a party. Each of Manager and
Sprint PCS also represents and warrants that there are no legal or other claims,
actions, counterclaims, proceedings or suits, at law or in arbitration or
equity, pending or, to its knowledge, threatened against it, its Related
Parties, officers or directors that question or may affect the validity of this
Addendum, the execution and performance of the transactions contemplated by this
Addendum or that party's right or obligation to consummate the transactions
contemplated by this Addendum.

        2.      REAFFIRMATION OF SPRINT AGREEMENTS.  Each of the undersigned
reaffirms in their entirety the Management Agreement, the Services Agreement and
the Trademark License Agreements, together with their respective rights and
obligations under those agreements.

        3.      COUNTERPARTS. This Addendum may be executed in one or more
counterparts, including facsimile counterparts, and each executed counterpart
will have the same force and effect as an original instrument as if the parties
to the aggregate counterparts had signed the same instrument.

            [THE REMAINDER OF THIS PAGE IS LEFT BLANK INTENTIONALLY.]

                                       66
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                The parties have caused this Addendum VIII to be executed as of
the date first above written.

                             SPRINT SPECTRUM L.P.

                             By: /s/ David Bottoms
                                 -----------------
                                 Name: David Bottoms
                                 Title: Vice President

                             SPRINTCOM, INC.

                             By: /s/ David Bottoms
                                 -----------------
                                 Name: David Bottoms
                                 Title: Vice President

                             WIRELESSCO, L.P.

                             By: /s/ David Bottoms
                                 -----------------
                                 Name: David Bottoms
                                 Title: Vice President

                             SPRINT COMMUNICATIONS COMPANY L.P.

                             By: /s/ William K. White
                                 --------------------
                                 Name: William K. White
                                 Title: Vice President

                             IPCS WIRELESS, INC.

                             By: /s/ Timothy M. Yager
                                 --------------------
                                 Name: Timothy M. Yager
                                 Title: Chief Restructuring Officer

                                       67
<Page>

                                    EXHIBIT A

iPCS, INC. and iPCS WIRELESS, INC. v. SPRINT CORPORATION, SPRINT SPECTRUM L.P.,
WIRELESSCO, L.P. and SPRINTCOM, INC., Adversary Proceedings No. 03-6063, which
has been consolidated with litigation between the Committee and the Sprint
Parties entitled OFFICIAL COMMITTEE OF UNSECURED CREDITORS OF iPCS, INC., iPCS
WIRELESS, INC. AND iPCS EQUIPMENT, INC. v. SPRINT CORPORATION, SPRINT SPECTRUM,
L.P. and SPRINTCOM, INC., Adversary Proceedings No. 03-6464, and litigation
between Toronto Dominion (Texas), Inc. and the Sprint Parties entitled TORONTO
DOMINION (TEXAS), INC. v. SPRINTCOM, INC., SPRINT COMMUNICATIONS COMPANY L.P.,
SPRINT SPECTRUM L.P. and WIRELESSCO, L.P., Adversary Proceedings No. 04-9021,
pending as consolidated adversary proceedings in the United States Bankruptcy
Court, Northern District of Georgia, Atlanta Division.

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                                  EXHIBIT 10.3

100% AFFILIATE RETAINED AMOUNTS

     Roaming Revenue
     International Roaming Credits
     Affiliate Equip Sale On Acct

100% SPRINT PCS RETAINED AMOUNTS

     Accrued Sales Taxes
     Accrued Federal Excise Taxes
     Collected Insurance

                                       69
<Page>

                                    EXHIBIT 1

                  ILLUSTRATIVE CALCULATION FOR CASH SETTLEMENT

CASH SIMPLIFICATION
ILLUSTRATIVE ONLY

<Table>
<Caption>
                                                                          MONTHLY
                                                               ----------------------------
<S>                                                            <C>                    <C>
WRITE-OFFS                                                     $      1,235

BILLED REVENUE                                                 $     10,350
CUSTOMER CREDITS                                                       (970)
                                                               ------------
NET BILLED REVENUE                                             $      9,380            82.5%
CUSTOMER EQUIPMENT CREDITS                                              (66)           -0.6%
100% AFFILIATE RETAINED AMOUNTS                                         235             2.1%
100% SPRINT PCS RETAINED AMOUNTS                                      1,479            13.0%
CUSTOMER EQUIPMENT CHARGES                                              175             1.5%
E911 SURCHARGES                                                          65             0.6%
WIRELESS LOCAL NUMBER PORTABILITY CHARGES                                26             0.2%
USF CHARGES                                                              74             0.7%
                                                               ----------------------------
AMOUNT BILLED (NET OF CUSTOMER CREDITS)                        $     11,368           100.0%

FEE CALCULATION

NET BILLED REVENUE                                             $      9,380
ALLOCATED WRITE-OFF                                                  (1,019)
                                                               ------------
                                                               $      8,361
                                                                         92%
                                                               ------------
FEE BASED ON BILLED REVENUE                                    $      7,692

100% AFFILIATE RETAINED AMOUNTS                                $        235
  ALLOCATED WRITE-OFF                                                   (26)
PHASE II E911 SURCHARGES                                                 53
  ALLOCATED WRITE-OFF                                                    (6)
WIRELESS LOCAL NUMBER PORTABILITY CHARGES                                 2
</Table>

                                       70
<Page>

<Table>
<S>                                                            <C>
  ALLOCATED WRITE-OFF                                                    (0)
CUSTOMER EQUIPMENT CREDITS                                              (66)
  ALLOCATED WRITE-OFF                                                     7
WRITE-OFF FOR CUSTOMER EQUIPMENT CHARGES                                (19)
                                                               ------------
                                                               $        180

TOTAL                                                          $      7,872
</Table>

                                       71
<Page>

                                  SCHEDULE 1.7

                                    FINANCING

RESTRUCTURING FINANCING

        Subject to the confirmation of the plan of reorganization and effective
upon its approval, the capital structure of iPCS, Inc will be as follows:

        NEW SENIOR UNSECURED NOTES:

        iPCS Escrow Company, a to be formed wholly owned subsidiary of iPCS,
Inc., will issue new senior unsecured notes in a Rule 144A offering providing
net proceeds of at least $135,000,000.

        EQUITY:

        Unsecured creditors of iPCS, Inc. and the Manager (other than Sprint
PCS, but including the existing holders of the $300,000,000 aggregate principal
amount of 14% senior discount notes issued by iPCS, Inc.) will agree to release
all of their claims in exchange for a pro rata share (based on their percentage
of all unsecured claims) of the common equity in the reorganized iPCS, Inc.

                                       72
<Page>

                                   EXHIBIT 2.1

                        Amended and Restated Exhibit 2.1
                                 March 24, 2004

TO BE HARD LAUNCHED BY DECEMBER 1999

BTA 46 Bloomington, IL
Coverage of cities of Bloomington, Lincoln, and Pontiac. I-55 coverage from
Springfield BTA to Chicago BTA.

BTA 86 Clinton-Sterling, IA/IL
Coverage of city of Sterling. I-88 coverage from Davenport-Moline BTA to Chicago
BTA.

BTA 105 Davenport-Moline, IA/IL
Coverage of "Quad Cities" metro area. I-80 coverage from Cedar Rapids BTA to
LaSalle-Peru-Ottawa- Streator BTA.

BTA 161 Galesburg, IL
Coverage of city of Galesburg. I-74 from Davenport-Moline BTA to Peoria BTA.

BTA 213 Jacksonville, IL
Coverage of city of Jacksonville. I-72 from Jacksonville to Springfield BTA.

BTA 243 LaSalle-Peru-Ottawa-Streator, IL
Coverage of cities of LaSalle-Peru-Ottawa and Mendota. I-80 from
Davenport-Moline BTA to Chicago BTA. Hwy 39 from Chicago BTA to Peoria BTA.

BTA 344 Peoria, IL
Coverage of cities of Peoria and Pekin. I-74 from Galesburg BTA to Bloomington
BTA. I-155 from Peoria to Bloomington BTA.

BTA 394 St. Louis, MO
Coverage of southern third of Macoupin County. I-55 from border of Macoupin
County and St. Louis BTA to Springfield BTA.

BTA 426 Springfield, IL
Coverage of cities of Springfield, Chatham, and Litchfield. I-55 from St. Louis
BTA to Bloomington BTA. I-72 from Jacksonville BTA to Decatur-Effingham BTA.

                                       73
<Page>

TO BE HARD LAUNCHED BY DECEMBER 2000

BTA 46 Bloomington, IL
Coverage of city of Clinton. Hwy 51 from Bloomington to Decatur BTA. I-74 from
Bloomington to Champaign-Urbana BTA.

BTA 71 Champaign-Urbana, IL
Coverage of cities of Champaign and Urbana. I-74 from Bloomington BTA to
Danville BTA. I-72 from Decatur-Effingham BTA to Champaign. I-57 from Kankakee
BTA to Mattoon BTA.

BTA 103 Danville, IL
Coverage of city of Danville. I-74 from Champaign-Urbana BTA to Lafayette BTA.

BTA 109 Decatur-Effingham, IL
Coverage of cities of Decatur, Effingham, and Vandalia. I-72 from Springfield
BTA to Champaign-Urbana BTA. I-70 from St. Louis BTA to Mattoon BTA. I-57 from
Mattoon BTA to Mt. Vernon-Centralia BTA.

BTA 225 Kankakee, IL
Coverage of city of Kankakee. I-57 from Chicago BTA to Champaign-Urbana BTA.

BTA 286 Mattoon, IL
Coverage of cities of Mattoon and Charleston. I-57 from Champaign-Urbana BTA to
Decatur-Effingham BTA. I-70 from Decatur-Effingham BTA to Terre Haute BTA.

BTA 308 Mt. Vernon-Centralia BTA, IL
Coverage of cities of Mt. Vernon, Centralia, and Salem. I-64 from St. Louis BTA
to Mt. Vernon. I-57 from Decatur-Effingham BTA to Carbondale-Marion BTA.

TO BE HARD LAUNCHED BY JULY 1, 2001

BTA 33 Battle Creek, MI
Coverage of city of Hastings. MI 37 from coverage in Phase I Grand Rapids BTA
169 to MI 43 in Hastings.

BTA 169 Grand Rapids, MI
Coverage of cities of Grand Haven, Grand Rapids, Wyoming, Holland, and Wayland.
US 131 from southern BTA border to MI 57. I-96 from eastern BTA border to
western BTA border. I-196 from southern BTA border to US 131.

BTA 241 Lansing, MI
Coverage of city of Ionia. I-96 from coverage Phase I Grand Rapids BTA 169 to
eastern Ionia County border. MI 21 from I-96 to and including Ionia.

BTA 310 Muskegon, MI

                                       74
<Page>

Coverage of city of Muskegon. I-96 from US 31 to eastern BTA border.

BTA 390 Saginaw-Bay City, MI
Coverage of cities of Saginaw, Bay City, Midland, and Birch Run. I-75 from the
southern BTA border to US 10. US 10 from Sanford to Essexville.

TO BE HARD LAUNCHED BY OCTOBER 1, 2001

INDIANA:
BTA 442 Terre Haute, IN
I-74 across northern edge of BTA.

MICHIGAN:
BTA 169 Grand Rapids, MI
Coverage of city of Big Rapids. US 131 from MI 57 (Phase I build) to northern
BTA border.

BTA 307 Mount Pleasant, MI
Coverage of cities of Alma and Mount Pleasant. US 27 from northern BTA border to
southern BTA border.

BTA 390 Saginaw-Bay City, MI
Coverage of cities of Grayling and Roscommon. I-75 from Phase I build at US 10
to MI 72. MI 72 from western BTA border to I-75. US 27 from I-75 to southern BTA
border.

BTA 446 Traverse City, MI
Coverage of cities of Traverse City, Cadillac, and Elk Rapids. US 131 from
southern BTA border to MI 72. US 31 from MI 37 to Grand Traverse County line. MI
72 from Traverse City to eastern BTA border. US 31 north out of Traverse City to
Elk Rapids.

IOWA:
BTA 61 Burlington, IA
Coverage of cities of Keokuk, Burlington, and Mount Pleasant. US 218 from
northern BTA border to US 34. US 34 from western BTA border to Burlington. US 61
from Burlington to Keokuk.

BTA 111 Des Moines, IA
Coverage of cities of Prairie City, Pella, Monroe, and Knoxville. IA 163 from
eastern BTA border to current Sprint PCS coverage. US 30 from eastern BTA border
to current Sprint PCS coverage.

                                       75
<Page>

BTA 118 Dubuque, IA
Coverage of cities of Dubuque and Platteville. US 20 from western BTA border to
Dubuque. US 151 from southern BTA border to eastern BTA border.

BTA 283 Marshalltown, IA
Coverage of city of Marshalltown. US 30 from Marshalltown to western BTA border.

BTA 337 Ottumwa, IA
Coverage of cities of Ottumwa, Fairfield, and Oskaloosa. US 34 from eastern BTA
border to Ottumwa. IA 163 from western BTA border to Oskaloosa.

BTA 462 Waterloo-Cedar Falls, IA
Coverage of cities of Waterloo, Cedar Falls, and Waverly. I-380 from southern
BTA border to US 20. US 218 from Waterloo to Waverly. US 20 from Waterloo/Cedar
Falls to eastern BTA border.

TO BE HARD LAUNCHED BY OCTOBER 31, 2001

BTA 308 Mt. Vernon-Centralia, IL
I-64 from Mount Vernon to Evansville BTA.

TO BE HARD LAUNCHED BY JANUARY 31, 2002

BTA 70 Cedar Rapids, IA
Coverage of cities of Marion and Anamosa and expansion and fill in of Cedar
Rapids metropolitan area. I-80 from southwestern BTA border (east of Iowa City
in "right leg" of BTA) to southeastern BTA border (east of Iowa City in "right
leg" of BTA). I-80 from southwestern BTA border (west of Iowa City in "left leg"
of BTA) to southeastern BTA border (west of Iowa City in "left leg" of BTA).
I-380 from Cedar Rapids to northern BTA border. US 151 out of Cedar Rapids to
northern BTA border. US 20 from northwestern BTA border to northeastern BTA
border.

BTA 111 Des Moines, IA
I-35 from northern BTA border to current Sprint PCS coverage. I-35 from southern
BTA border to current Sprint PCS coverage.

BTA 150 Fort Dodge, IA
I-35 from southern BTA border to eastern BTA border.

BTA 205 Iowa City, IA
Coverage of city of Washington and expansion and fill in of Iowa City
metropolitan area. I-80 from western BTA border to eastern BTA border. I-380
from Iowa City to IA 22. US 218 from IA 22 to southern BTA border.

BTA 285 Mason City, IA
Coverage of city of Clear Lake. I-35 from southern BTA border to northern BTA
border.

                                       76
<Page>

BTA 323 Norfolk, NE
Coverage of city of Norfolk. US 81 from southern BTA border to Norfolk. US 275
from Norfolk to eastern BTA border.

BTA 332 Omaha, NE
Coverage of cities of Fremont and Columbus. I-29 from southern BTA border to
current Sprint PCS coverage. I-29 from northern BTA border to current Sprint PCS
coverage. US 275 from Omaha metropolitan area to Fremont. US 30 from Fremont to
Columbus. US 81 from Columbus to northern BTA border. US 275 from
Winslow/Fremont to western BTA border.

BTA 462 Waterloo, IA
Coverage of the city of Independence. IA 150 from US 20 to Independence.

TO BE HARD LAUNCHED BY DECEMBER 2002

BTA 86 Clinton-Sterling, IA/IL
Coverage of city of Clinton. Hwy 61 from Davenport-Moline BTA to Dubuque BTA.

BTA 105 Davenport-Moline, IA/IL
Coverage of cities of Muscatine and Kewanee. Hwy 61 from Davenport to Burlington
BTA.

BTA 161 Galesburg
Coverage of city of Monmouth. US Hwy 34 from Galesburg to Monmouth.

BTA 225 Kankakee, IL Coverage of city of Watseka.
BTA 243 LaSalle-Peru-Ottawa-Streator, IL Coverage of city of Streator.

BTA 344 Peoria, IL
Coverage of cities of Macomb and Canton.

BTA 426 Springfield, IL
Coverage of cities of Taylorville and Pana. Hwy 29 from Springfield to Pana.

TO BE HARD LAUNCHED BY DECEMBER 31, 2004

BTA 111 Des Moines, IA
Coverage of city of Carroll. US 20 from I-35 to Iowa Falls. US 71 from I-80 to
Carroll.

BTA 150 Fort Dodge, IA
Coverage of cities of Fort Dodge and Webster City. US 20 from I-35 to Fort
Dodge.

BTA 167 Grand Island-Kearney, NE

                                       77
<Page>

Coverage of cities of Grand Island and Kearney. I-80 from eastern BTA border to
western BTA border. US 281 from Grand Island to southern BTA border.

BTA 185 Hastings, NE
Coverage of cities of Hastings and Minden. US 281 from northern BTA border to
Hastings. NE 10 from I-80 to Minden. I-80 within Hastings BTA.

BTA 256 Lincoln, NE
Coverage of city of York. I-80 from current Sprint PCS coverage to western BTA
border.

BTA 285 Mason City, IA
Coverage of cities of Mason City. US 18 from I-35 to Mason City.

LIMITED SERVICE AREAS
Manager has partial responsibility, or Limited Service Area, in selected BTAs in
the Service Area. The Manager's Limited Service Area BTAs are defined below. In
all areas where it is noted that Manager will meet Sprint PCS current or planned
coverage, Manager will work with Sprint PCS RF staff to determine the exact
location of Manager's sites in order to provide contiguous coverage with Sprint
PCS.

BTA 33 Battle Creek, MI
-  Barry County ONLY

BTA 111 Des Moines, IA
-  Adams County
-  Taylor County
-  Union County
-  Ringgold County
-  Clarke County
-  Decatur County
-  Lucas County
-  Wayne County
-  Warren and Madison Counties ONLY area along I-35 on the boundaries of these
   counties
-  Carroll County
-  Greene County
-  Audubon County EXCLUDING Sprint PCS current coverage
-  Story County EXCLUDING Sprint PCS current coverage and the small area
   southwest of Sprint PCS coverage near the city of Huxley
-  Hardin County
-  Marion County
-  Jasper County along IA 163 from Sprint PCS current coverage towards the city
   of Pella

BTA 241 Lansing, MI
-  Ionia County ONLY

                                       78
<Page>

BTA 256 Lincoln, NE
-  All counties except Lancaster County. Lancaster County ONLY along I-80 from
   western Lancaster County border to Sprint PCS current coverage

BTA 332 Omaha, NE
-  Colfax County
-  Butler County
-  Cuming County
-  Burt County
-  Saunders County ONLY along US 30 from Columbus, NE east to Freemont, NE
-  Dodge County
-  Washington County EXCLUDING Sprint PCS current coverage
-  Douglass County EXCLUDING Sprint PCS current coverage
-  Crawford County
-  Otoe County
-  Nemaha County
-  Freemont County
-  Mills County EXCLUDING Sprint PCS current coverage
-  Montgomery County
-  Page County
-  Platte County
-  Polk County

BTA 332 Omaha, NE, continued
-  Cass County ONLY as it borders along I-29 to meet Sprint PCS current coverage
-  Richardson County

BTA 394 St. Louis, MO
-  Macoupin County only

BTA 442 Terre Haute, IN
-  Coverage along I-74 across northern edge of BTA

                                       79
<Page>

                    EXHIBIT 2.1 LICENSE AND COVERED POP TABLE

<Table>
<Caption>
                                                                                  LICENSE
                                                                        % OF      D AREA
                                              LICENSED     COVERED     LICENSE     IN SQ
  BTA              BTA NAME                     POPS        POPS       D POPS      MILES          LICENSE TYPE
-------------------------------------------------------------------------------------------------------------------
  <S>     <C>                                   <C>           <C>         <C>       <C>         <C>
   46     Bloomington, IL                       230,919       196,115     85%        1,628              D
   71     Champaign-Urbana, IL                  220,271       186,292     85%        1,123              D
   86     Clinton-Sterling, IL                  144,881        95,515     66%          619      B (DesMoines MTA)
  103     Danville, IL                          110,501        65,604     59%          348             D & E
  105     Davenport-Moline, IA/IL               432,990       374,071     86%        1,224      B (DesMoines MTA)
  109     Decatur-Effingham, IL                 248,452       158,151     64%        1,129              D
  161     Galesburg, IL                          73,288        42,113     57%          247              D
  213     Jacksonville, IL                       68,988        28,988     42%          238              D
  225     Kankakee, IL                          135,003        92,739     69%          544            D & E
  243     LaSalle-Peru-Ottawa-Streator, IL      152,765       118,889     78%          859            D & E
  286     Mattoon, IL                            63,362        55,092     87%          466              D
  308     Mt. Vernon-Centralia, IL              121,639        57,393     47%          873      B (St. Louis MTA)
  344     Peoria, IL                            464,192       327,150     70%          868              D
  394     St. Louis, MO (partial)                46,685         7,917     17%          221      B (St. Louis MTA)
  426     Springfield, IL                       264,606       209,710     79%        1,067              D
  167     Grand Island-Kearney, NE              148,879        94,665     64%        9,586        B (Omaha MTA)
  185     Hastings, NE                           72,662        29,760     41%        4,954        B (Omaha MTA)
  256     Lincoln, NE (partial)                  98,295        21,163     22%        5,190        B (Omaha MTA)
  323     Norfolk, NE                           114,281        34,580     30%       11,435        B (Omaha MTA)
  332     Omaha, NE (partial)                   248,801       113,610     46%        9,161        B (Omaha MTA)
   61     Burlington, IA                        138,247        93,468     68%        3,122      B (DesMoines MTA)
  111     Des Moines, IA (partial)              170,885        72,803     43%        7,133      B (DesMoines MTA)
  118     Dubuque, IA                           178,167       101,069     57%        3,211      B (DesMoines MTA)
  150     Fort Dodge, IA                        126,408        42,580     34%        5,001      B (DesMoines MTA)
  283     Marshalltown, IA                       56,860        32,720     58%        1,293      B (DesMoines MTA)
</Table>

                                       80
<Page>

<Table>
  <S>     <C>                                 <C>           <C>          <C>       <C>         <C>
  285     Mason City, IA                        116,468        47,187     41%        3,499      B (DesMoines MTA)
  337     Ottumwa, IA                           124,021        64,183     52%        3,965      B (DesMoines MTA)
  462     Waterloo-Cedar Falls, IA              260,616       140,732     54%        5,058      B (DesMoines MTA)
   33     Battle Creek, MI (partial)             54,563        14,825     27%          576       B (Detroit MTA)
  169     Grand Rapids, MI                    1,036,440       800,893     77%        6,170       B (Detroit MTA)
  241     Lansing, MI (partial)                  61,913        39,180     63%          579       B (Detroit MTA)
  307     Mount Pleasant, MI                    128,694        77,651     60%        1,723       B (Detroit MTA)
  310     Muskegon, MI                          218,069       126,451     58%        1,591       B (Detroit MTA)
  390     Saginaw-Bay City, MI                  622,766       358,012     57%        7,226       B (Detroit MTA)
  446     Traverse City, MI                     234,549        91,092     39%        4,622       B (Detroit MTA)
   70     Cedar Rapids, IA                      281,785       197,493     70%        3,763      B (DesMoines MTA)
  205     Iowa City, IA                         124,336       102,875     83%        1,193      B (DesMoines MTA)
  442     Terre Haute, IN (partial)                 738           738    100%           32     A (Indianapolis MTA)
-------------------------------------------------------------------------------------------------------------------
          TOTALS                              7,396,985     4,713,469     64%      111,537
</Table>

     Notes: Covered pops for BTAs 46, 71, 109, 3344, 185, 256, 111, and 70 were
     adjusted from previous Exhibits to reflect map changes.
     Terre Haute BTA 442 was added new with this Exhibit.

                                       81
<Page>

                        iPCS BUILDOUT PLAN MAP - ILLINOIS
                          EXHIBIT 2.1 MAP (PART 1 OF 3)

                                    [GRAPHIC]

Prepared by Affiliate Relations
Coverage As Of 02/15/04
Prepared 03/23/04: Bob Phillips

                                       82
<Page>

                        iPCS BUILDOUT PLAN MAP - MICHIGAN
                          EXHIBIT 2.1 MAP (PART 2 OF 3)

                                    [GRAPHIC]

Prepared by Affiliate Relations
Coverage As Of 02/15/04
Prepared 03/23/04: Bob Phillips

                                       83
<Page>

                   iPCS BUILDOUT PLAN MAP - LOWA AND NEBRASKA
                          EXHIBIT 2.1 MAP (PART 3 OF 3)

                                    [GRAPHIC]

Prepared by Affiliate Relations
Coverage As Of 02/15/04
Prepared 03/23/04: Bob Phillips

                                       84
<Page>

                                 EXHIBIT 8(b)(i)

                  FORM OF MACKINAC BTAS OPTION EXERCISE NOTICE

        Pursuant to section 8 of Addendum VIII to the Sprint PCS Management
Agreement among iPCS Wireless, Inc. and Sprint PCS, iPCS Wireless, Inc. hereby
exercises its option to expand its Service Area to include the Mackinac BTAs in
accordance with the Mackinac Build Out (as such terms are defined in Addendum
VIII).

                                           iPCS Wireless, Inc.

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

                                           Name:
                                                ---------------------------

                                           Title:
                                                 --------------------------

Option Exercise Date:
                     -------------------

                                       85
<Page>

                                EXHIBIT 8(b)(ii)

                               MACKINAC BUILD-OUT

BTA 409 SAULT STE MARIE, MI

Coverage of Mackinac Island & St. Ignace

BTA 345 PETOSKEY, MI

Coverage of Mackinaw City

                                       86
<Page>

                                 SCHEDULE 2.1.1

                                   -SECTION A-

PRESENTLY OFFERED CCPU SERVICES - ACTIVITY APPLIED AS % TO SPRINT PCS REPORTED
CCPU

3G Fees
A/P Backhaul/Facility Disputes
Affiliate Utilities
ATM Soft Hand Off
Bank Fees
BI Performance Services - Initiation
BI Performance Services - Maintenance
Bid Cost
Billing
Check Free
Clarify Maintenance Fee
CO Usage
Collection Agency Fees
Conferences
Costs associated with rollout of new products and services
Credit Card Processing/Fees
Customer Care
Customer Solutions - Mature Life
Directory Assistance
DS3
E - Commerce PT
Enhanced Voicemail
Entrance Facility Expenses (Includes Terminating/Trunking Charge)
Ford Revenue
Ford Telematics
Gift Card Payable
Gift Card Receivable
Hal Riney Ad Kit
High Speed Remote Access Server
ICS Clearing House Costs (Includes Illuminet, Roaming Clearing House, and TSI)
IMT Charges
Interconnection
Inter-Machine Trunk
IT (Includes E-Commerce)
LD Verification
LIDB / CNAM
Local Loop, COC, ACF, IXC, etc. (National Platform Expense - Local Loop Cost,
       Central Office Connection (COC), access Coordination Fee (ACF),
       Co-Location Charges, and Inter Exchange Carrier (IXC) Charges)
Lockbox 261

                                       87
<Page>

MCI Disconnect Adjusted
National Platform - COA
National Platform Disputes
National Platform (2G) (Includes Voice Activated Dialing)

NATIONAL PLATFORM COMPONENT
FCAPS (FAULT, CONFIGURATION, ACCOUNTING, PERFORMANCE, SECURITY)
         Capital Projects
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

IN (INTELLIGENT NETWORK)
         Capital Expense
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

OSSN
         Capital Expense
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

3G
         Capital Projects
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

OPERATOR SERVICE
         Vendor Fee

WIRELESS WEB
         Capital Projects
         Expense Projects
         Circuit Expense
         CLOH

                                       88
<Page>

         Labor
         Forecasts

MESSAGING
         Capital Projects
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

VAD
         Capital Projects
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

VOICE MAIL
         Capital
         Expense Projects
         Circuit Expense
         CLOH
         Labor
         Forecasts

SOFTWARE MAINTENANCE
         Openwave
         Hewlett Packard
         Comverse
         Marconi
         Lucent
         Commworks
         Four Corners
         Other Vendors (39)

Northwest Frequent Flyer
Premium Vision Services
PreNet
Pricing
Pro Text Messaging Plan
Ringers & More (Includes SBF and PT fees)
Roadside Rescue
Sprint Synch Services
Telecheck Charge

                                       89
<Page>

Telematics
Text Messaging Plan
TSC Usage
Type 1 Affiliate Long Distance
Voice Command Web
Wireless Web

                                       90
<Page>

                                   -SECTION B-

PRESENTLY OFFERED CPGA SERVICES - ACTIVITY APPLIED AS % TO SPRINT PCS REPORTED
CPGA

500 Minute Promotion Credit
Activations - Customer Solutions
Activations - E-Commerce (Includes On Line (Web) Activations)
Activations - Telesales
Credit Check Fee
Customer Solutions - Early Life
Demo Phones
EarthLink
Hal Riney Service
Handset Logistics
Handset Obsolesence Fee and Carrying Costs
Local/Indirect Commission
Marketing Collateral Destruction
NAM/CAM
One Sprint Telesales
PGA Expenses
PLS Commission
SmartWorks Printing

                                   -SECTION C-

PRESENTLY OFFERED CCPU SERVICES - ACTIVITY SETTLED SEPARATELY

Affiliate Project Authorizations
Long Distance
E911 Phase I Revenue
Microwave Clearing
Roaming
Software Fees
Sprint Local Telephone Usage
Taxes Paid on Behalf of Type III Affiliates
Tower Lease
Travel Revenue and Expense
Upgrade Commission - 2 Step Channel
Vendor Usage-Based Charges on New Products
Wholesale Revenue and Expense

                                   -SECTION D-

PRESENTLY OFFERED CPGA SERVICES -ACTIVITY SETTLED SEPARATELY

                                       91
<Page>

3G Device Logistics Fee
3rd Party Spiffs
Accessory Margin
Commissions - National 3rd Party
Commissions - Other 3rd Party
Coop Advertising - Local 3rd Party
Coop Advertising - National 3rd Party
Handset returns
Handset subsidies
Handsets
Marketing Collateral (excluding destruction)
Meeting Competition Fund
RadioShack Promos (Includes RadioShack Golden Quarter, Jumpstart, Relaunch,
    Sprint to Vegas, and Break the Bank)
Rebate Administrative Expense
Rebates
Reciprocal Retail Store Cost Recovery
Sprint LDD Commission
Third Party Promotions
Upgrade Commission - RadioShack

                                       92

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