Document:

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                                                                    EXHIBIT 10.4

                              CONSENT AND AGREEMENT
                          (Nortel / Alamosa Wisconsin)

         This Consent and Agreement (this "Consent and Agreement") is entered
into as of February 8, 2000, between SPRINT SPECTRUM L.P., a Delaware limited
partnership ("Sprint Spectrum"), SPRINT COMMUNICATIONS COMPANY, L.P., a Delaware
limited partnership ("Sprint Communications"), WIRELESSCO, L.P., a Delaware
limited partnership ("WirelessCo" and together with Sprint Spectrum and Sprint
Communications, the "Sprint Parties"), and NORTEL NETWORKS INC., a Delaware
corporation, as administrative agent (together with any successors thereof in
accordance with the Credit Agreement hereinafter described, the "Administrative
Agent") for the lenders under that certain Credit Agreement among ALAMOSA PCS,
INC., a Delaware corporation ("Borrower"), the Administrative Agent and the
lenders from time to time party thereto (the "Lenders").

         Alamosa Wisconsin Limited Partnership, a Wisconsin limited partnership
that is a subsidiary of Borrower ("Affiliate"), and the Sprint Parties entered
into a Sprint PCS Management Agreement dated December 6, 1999 (as it may be
amended, modified, or supplemented from time to time, the "Management
Agreement") with Sprint Spectrum providing for the design, construction and
management of the Service Area Network. Affiliate has also entered into the
Sprint PCS Services Agreement (the "Services Agreement") and the Sprint
Trademark and Service Mark License Agreement and the Sprint Spectrum Trademark
and Service Mark License Agreement (together, the "License Agreements") (the
Management Agreement, the Services Agreement and the License Agreements and all
other agreements between Affiliate, Borrower, or their respective subsidiaries,
on the one hand, and any one or more of the Sprint Parties or any subsidiary of
Sprint Corporation on the other hand (whether entered into prior to, on, or
after the date hereof) that relate to the Service Area Network as they may be
amended, modified, or supplemented from time to time, collectively, the "Sprint
Agreements").

         Borrower and certain of its affiliated entities have entered into or
concurrently herewith are entering into that certain Amended and Restated Credit
Agreement dated as of February 8, 2000, with the Administrative Agent and the
Lenders (such Credit Agreement, as it may be amended, supplemented, restated,
replaced or otherwise modified from time to time, the "Credit Agreement"), to
provide financing for a portion of the costs of the design and construction of
the Service Area Network and for certain other purposes. The Credit Agreement
and each note, security agreement, pledge agreement, guaranty and any and all
other agreements, documents or instruments entered into in connection with any
of the foregoing, as the same may from time to time be amended, supplemented,
restated, replaced or otherwise modified from time to time, shall collectively
be referred to as the "Loan Documents."

         The Obligations under the Loan Documents are guaranteed by Alamosa PCS
Holdings, Inc., the sole shareholder of Borrower, Affiliate and the other
affiliates of Borrower (collectively, the "Guarantors") pursuant to those
certain Guaranty Agreements executed by the Guarantors in favor of the
Administrative Agent (the "Guaranty Documents").

         As a condition to the availability of credit to Borrower under the
Credit Agreement, the Administrative Agent and the Lenders have required the
execution and delivery of this Consent and

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Agreement by the Sprint Parties and have required that Borrower, Affiliate and
the other Guarantors acknowledge, consent and agree to all terms and provisions
of this Consent and Agreement.

         One or more of the Sprint Parties hold, directly or indirectly, the
licenses for the service areas managed by Affiliate as contemplated in the
Management Agreement. As used in this Consent and Agreement, the term "Sprint
PCS" shall refer in each particular instance or application to the Sprint Party
that owns the License in that portion of the Service Area to which the subject
of the instance or application applies.

         All capitalized terms in this Consent and Agreement shall have the same
meanings ascribed to them in the Management Agreement unless otherwise provided
in this Consent and Agreement; provided, that the terms "Commitments",
"Default", "Event of Default", "Loan Documents" and "Obligations" shall have the
meanings ascribed to them in the Credit Agreement.

         Accordingly, each Sprint Party and the Administrative Agent, on behalf
of itself and for the Lenders, hereby agree as follows:

         SECTION 1. Consent to Security Interest. In connection with the
transactions contemplated by the Credit Agreement and the other Loan Documents,
(a) Borrower has granted or will grant to the Administrative Agent, for the
benefit of the Lenders, a first priority security interest in and lien upon
substantially all of its assets and property, tangible and intangible, whether
now owned or hereafter acquired or arising, and all proceeds and products
thereof and accessions thereto, and a first priority security interest in and
pledge of all partnership interests, membership interests or other equity
interests in Affiliate (the "Pledged Equity"), and (b) Affiliate has granted or
will grant to the Administrative Agent, for the benefit of the Lenders, a first
priority security interest in and lien upon substantially all of its assets and
property, tangible and intangible, whether now owned or hereafter acquired or
arising, and all proceeds and products thereof and accessions thereto, including
but not limited to the Operating Assets, and a first priority security interest
and lien upon the rights of Affiliate in, to and under the Sprint Agreements.
The foregoing security interests, liens and pledges are referred to collectively
as the "Security Interests" and the foregoing assets and property in which the
Administrative Agent, for the benefit of the Lenders, has been or will be
granted a first priority security interest in and lien are referred to
collectively as the "Collateral". In addition to the foregoing, each of the
other affiliated entities of Borrower and Affiliate have granted or will grant
to the Administrative Agent, for the benefit of the Lenders, a first priority
security interest in and lien upon substantially all of its assets and property,
tangible and intangible, whether now owned or hereafter acquired or arising, and
all proceeds and products thereof and accessions thereto, which security
interests and liens are referred to collectively as the "Additional Security
Interests" and which assets and property are referred to collectively as the
"Additional Collateral." Each Sprint Party (i) acknowledges notice of the Credit
Agreement and the other Loan Documents, (ii) consents to the granting of the
Security Interests in the Collateral and of the Additional Security Interests in
the Additional Collateral to the Administrative Agent, for the benefit of the
Lenders, and (iii) agrees that (a) neither it nor any subsidiary of Sprint
Corporation will challenge or contest that the Security Interests and the
Additional Security Interests are valid, enforceable and duly perfected first
priority security interests and liens in and to the Collateral and the
Additional Collateral, (b) neither it nor any subsidiary of Sprint Corporation
will argue that any such Security Interest or Additional Security Interest is
subject to avoidance, limitation or subordination under any legal or equitable
theory or cause of action, and (c) so long as the

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Management Agreement is in effect, it will not sell, transfer or assign all or
part of the Licenses that Affiliate has the right to use; provided, however,
that notwithstanding the foregoing, a Sprint Party may at any time sell,
transfer or assign all or part of the Licenses that Affiliate has the right to
use in accordance with a transaction allowed under Section 17.15.5 of the
Management Agreement, so long as the buyer, transferee or assignee, as the case
may be, agrees to be bound by the terms of this Consent and Agreement as such
terms relate to such Licenses.

         Each Sprint Party acknowledges and agrees that (i) Sections 17.15.1 and
17.15.2 of the Management Agreement do not apply to the assignment of
Affiliate's rights under the Sprint Agreements to the Administrative Agent or
the Lenders under the Loan Documents or in connection with a transaction
permitted pursuant to this Consent and Agreement to any other Person pursuant to
the Loan Documents or to any other assignment in connection with any transaction
permitted pursuant to this Consent and Agreement and (ii) Section 17.15.3 of the
Management Agreement shall not apply to any Change of Control of Affiliate in
connection with the exercise by the Administrative Agent of any of its rights or
remedies under the Loan Documents, including without limitation in connection
with the sale of the partnership, membership or shareholder interests of
Affiliate to any Person or to any other Change of Control of Affiliate;
provided, however, Section 17.15.3 of the Management Agreement shall apply to
any such transaction if such transaction is not with the Administrative Agent or
the Lenders or is not a transaction permitted pursuant to this Consent and
Agreement. It is understood that any assignment described in this Section 1 to
the Administrative Agent or the Lenders is hereby consented to by the Sprint
Parties; provided, that any subsequent assignment by the Administrative Agent or
the Lenders shall be in accordance with the terms of this Consent and Agreement.

         SECTION 2. Payments. Upon receipt of the Administrative Agent's written
instructions, each Sprint Party agrees to make all payments (if any) to be made
by it under the Sprint Agreements, subject to its rights of setoff or recoupment
with respect to such payments as permitted under Section 10.6 of the Management
Agreement, to Affiliate directly to the Administrative Agent, or otherwise as
the Administrative Agent shall direct; provided, that during the period that
Sprint PCS is making such payments directly to the Administrative Agent or its
designee pursuant to this Section 2, Sprint PCS' setoff and recoupment rights
under such Section 10.6 shall not be limited to undisputed amounts. The
Administrative Agent hereby agrees that the Administrative Agent will not give
any such written instructions for it to receive such payments directly from a
Sprint Party unless an Event of Default has occurred under the Credit Agreement
and is continuing. Such written instructions to make payments directly to the
Administrative Agent shall be effective only so long as an Event of Default is
continuing, and the Administrative Agent will revoke such instructions promptly
following the cure of such Event of Default. Any payments made by any Sprint
Party directly to, or at the direction of, the Administrative Agent shall fully
satisfy any obligation of such Sprint Party to make payments to Affiliate under
the Sprint Agreements to the extent of such payments.

         SECTION 3. Notice and Effect of Event of Default, Management Agreement
Breach and Event of Termination. The Administrative Agent agrees to provide to
Sprint PCS a copy of any written notice that Administrative Agent sends to
Borrower, promptly after sending such notice, that a Default or an Event of
Default has occurred and is continuing, and Sprint PCS agrees to provide to the
Administrative Agent a copy of any written notice that Sprint PCS sends to
Affiliate, promptly after sending such notice, that an Event of Termination or
an event that if not cured, or if notice is provided,

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will constitute an Event of Termination (each of an Event of Termination and an
event that if not cured would constitute an Event of Termination, a "Management
Agreement Breach") has occurred. The Sprint Parties acknowledge that the
Administrative Agent has informed them that an Event of Termination constitutes
an Event of Default under the Loan Documents, and the Sprint Parties further
acknowledge that the Management Agreement does not prohibit Affiliate from
curing such an Event of Default.

         SECTION 4. Event of Default without a Management Agreement Breach.

                  (a) Affiliate Remains as Manager or Interim Manager Appointed.
         Upon and during the continuation of an Event of Default when no
         Management Agreement Breach as to which Sprint PCS has given the
         Administrative Agent notice exists on the original date of occurrence
         of such Event of Default, the Administrative Agent may, by prior
         written notice to Sprint PCS, (i) allow Affiliate to continue to act
         as the Manager under the Sprint Agreements, (ii) appoint Sprint
         Spectrum to act as "Interim Manager" under the Sprint Agreements, or
         (iii) appoint a Person other than Sprint Spectrum to act as Interim
         Manager under the Sprint Agreements. If the Administrative Agent
         initially allows Affiliate to continue to act as the Manager under the
         Sprint Agreements, the Administrative Agent may later, during a
         continuation of an Event of Default, remove the Affiliate as Manager
         and take the action described above in clauses (ii) and (iii). The
         date on which a Person begins serving as Interim Manager shall be the
         "Commencement Date."

                  (b) Sprint Spectrum or Sprint Spectrum Designee as Interim
         Manager. If the Administrative Agent appoints Sprint Spectrum as
         Interim Manager, within 14 days after its appointment Sprint Spectrum
         shall accept the position or designate another Person (a "Sprint
         Spectrum Designee") to act as Interim Manager under the Sprint
         Agreements. The Administrative Agent shall accept Sprint Spectrum and
         any Sprint Spectrum Designee that is then acting as an Other Manager
         (other than Affiliate) to act as Interim Manager under the Sprint
         Agreements. Any Sprint Spectrum Designee that is not an Other Manager
         must be acceptable to the Administrative Agent, which acceptance will
         not be unreasonably withheld. If, within 30 days after the
         Administrative Agent gives Sprint Spectrum notice of its appointment as
         Interim Manager, Sprint Spectrum or a Sprint Spectrum Designee does not
         agree to act as Interim Manager, then the Administrative Agent shall
         have the right to appoint an Administrative Agent Designee as Interim
         Manager in accordance with Section 4(c). At the discretion of the
         Administrative Agent, Sprint Spectrum or the Sprint Spectrum Designee
         shall serve as Interim Manager for up to six months from the
         Commencement Date.

                  Upon the expiration of its initial six-month period as Interim
         Manager under the Sprint Agreements, Sprint Spectrum or the Sprint
         Spectrum Designee will agree, at the written request of the
         Administrative Agent, to serve as Interim Manager for up to six months
         from such expiration date until the Administrative Agent gives Sprint
         Spectrum or the Sprint Spectrum Designee at least 30 days' written
         notice of its desire to terminate the relationship; provided, that the
         extended period will be for 12 months rather than six months (for a
         complete term of 18 months) in the event, as of the date of the initial
         appointment, the aggregate number of pops that Affiliate and all Other
         Managers have the right to serve under their respective management
         agreements with the Sprint Parties is less than 40 million (such six or
         12 month period, the

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         "Extension Period"). If Sprint Spectrum's or the Sprint Spectrum
         Designee's term as Interim Manager is so extended at the request of
         the Administrative Agent, then the Administrative Agent agrees that
         Sprint Spectrum's or the Sprint Spectrum Designee's right to be
         reimbursed by the Affiliate promptly for all amounts previously
         expended by Sprint Spectrum or the Sprint Spectrum Designee under
         Section 11.6.3 of the Management Agreement (which expenditures were
         incurred in accordance with Section 9 of this Consent and Agreement)
         shall no longer be subordinated to the Obligations as provided in
         Section 9 in this Consent and Agreement, and Sprint Spectrum's or the
         Sprint Spectrum Designee's right to be reimbursed by Affiliate for any
         expenses it incurs pursuant to its rights under Section 11.6.3 of the
         Management Agreement as provided in the Management Agreement (which
         expenditures were incurred in accordance with Section 9 of this
         Consent and Agreement) shall not be subject to the subordination to
         the Obligations as provided in Section 9 of this Consent and
         Agreement; provided, that Sprint Spectrum or the Sprint Spectrum
         Designee's right to be reimbursed for amounts expended under Section
         11.6.3 of the Management Agreement that exceed in an aggregate
         amount 5% of Affiliate's partner's, shareholder's or member's equity or
         capital account plus Affiliate's long-term debt (i.e., notes that on
         their face are scheduled to mature more than one year from the date
         issued), as reflected on Affiliate's books (the "Reimbursement Limit")
         shall remain subordinated to the Obligations as provided in Section 9
         of this Consent and Agreement. Notwithstanding any other provision in
         this Section 4(b) to the contrary, Sprint Spectrum or the Sprint
         Spectrum Designee shall not be required to continue to serve as Interim
         Manager during the Extension Period at any time after 30 days following
         delivery by it to the Administrative Agent of written notice that
         Sprint Spectrum or the Sprint Spectrum Designee needs to expend amounts
         under Section 11.6.3 of the Management Agreement that Sprint Spectrum
         or the Sprint Spectrum Designee reasonably believes will not be
         reimbursed based on the projected Collected Revenues for the remainder
         of the Extension Period or reimbursed by the Lenders. If it becomes
         necessary for Sprint Spectrum or the Sprint Spectrum Designee to expend
         any amount that it believes will not be reimbursed or that exceeds the
         Reimbursement Limit, Sprint Spectrum or the Sprint Spectrum Designee is
         not required to incur such expense.

                  Upon the termination or expiration of the term of Sprint
         Spectrum or the Sprint Spectrum Designee as Interim Manager, the
         Administrative Agent shall have the right to appoint a successor
         Interim Manager in accordance with Section 4(c).

                  (c) Administrative Agent Designee as Interim Manager. If the
         Administrative Agent elects to appoint a Person other than Sprint
         Spectrum to act as Interim Manager under the Sprint Agreements (an
         "Administrative Agent Designee") as permitted under Sections 4(a)(iii)
         and 4(b), such Administrative Agent Designee must (i) agree to serve as
         Interim Manager for six months unless terminated earlier by Sprint PCS
         because of a material breach by the Administrative Agent Designee of
         the terms of the Sprint Agreements that is not timely cured or by the
         Administrative Agent in its discretion, (ii) meet the applicable
         "Successor Manager Requirements" set forth below in Section 13, and
         (iii) agree to comply with the terms of the Sprint Agreements but will
         not be required to assume the existing liabilities of Affiliate. In the
         case of a proposed Administrative Agent Designee, Sprint PCS shall
         provide to the Administrative Agent, within 10 Business Days after the
         request therefor, a detailed description of all information reasonably
         requested by Sprint PCS to enable Sprint PCS to determine if a

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         proposed Administrative Agent Designee satisfies the Successor Manager
         Requirements. Sprint PCS agrees to inform Administrative Agent within
         20 days after it receives such information respecting such proposed
         Administrative Agent Designee from the Administrative Agent whether
         such designee satisfies the Successor Manager Requirements. If Sprint
         PCS does not so inform the Administrative Agent within such 20-day
         period, then Sprint PCS shall be deemed to agree, for all purposes of
         this Consent and Agreement, that such proposed designee satisfies the
         Successor Manager Requirements. A Person that satisfies the Successor
         Manager Requirements (or is deemed to satisfy such requirements)
         qualifies under the Management Agreement to become a Successor
         Manager, unless the Administrative Agent Designee materially breaches
         the terms of a Sprint Agreement while acting as Interim Manager or no
         longer meets the Successor Manager Requirements. The Administrative
         Agent Designee may continue to serve as Interim Manager after the
         initial six-month period at the Administrative Agent's discretion, so
         long as the Administrative Agent Designee continues to satisfy the
         Successor Manager Requirements and it does not materially breach the
         terms of the Sprint Agreements. If the Administrative Agent Designee
         materially breaches any Sprint Agreement while acting as Interim
         Manager, then Sprint PCS and the Administrative Agent have the rights
         set forth in Section 5; provided, that Sprint PCS may not allow
         Affiliate to act as the Manager of the Sprint Agreements without the
         Administrative Agent's consent.

         SECTION 5. Event of Default Created by a Management Agreement Breach.

                  (a) Affiliate Remains as Manager or Interim Manager Appointed.
         Upon an Event of Default created by a Management Agreement Breach (so
         long as at such time an Event of Default not created by a Management
         Agreement Breach as to which Administrative Agent has given Sprint PCS
         notice is not in existence), Sprint PCS may by prior written notice to
         Administrative Agent (i) allow Affiliate to continue to act as the
         Manager under the Sprint Agreements if approved by the Administrative
         Agent, (ii) act as Interim Manager under the Sprint Agreements (in the
         case of Sprint Spectrum) or appoint Sprint Spectrum as Interim Manager
         (in the case of SprintCom), or (iii) appoint a Sprint Spectrum Designee
         to act as Interim Manager under the Sprint Agreements as provided in
         paragraph (b) below. If Sprint PCS initially allows Affiliate to
         continue to act as the Manager under the Sprint Agreements, Sprint PCS
         may later remove the Affiliate as Manager and take the action described
         above in clauses (ii) and (iii). The Administrative Agent shall have no
         right to appoint an Interim Manager when an Event of Default is caused
         by a Management Agreement Breach (unless an Event of Default not
         created by a Management Agreement Breach is in existence), unless
         Sprint PCS elects not to act as Interim Manager or to appoint a Sprint
         Spectrum Designee.

                  (b) Sprint Spectrum or Sprint Spectrum Designee as Interim
         Manager. If Sprint Spectrum acts as Interim Manager or designates a
         Sprint Spectrum Designee to act as Interim Manager under the Sprint
         Agreements, the Interim Manager shall serve as Interim Manager for up
         to six months from the Commencement Date, at the discretion of Sprint
         Spectrum. The Administrative Agent shall accept Sprint Spectrum and any
         Sprint Spectrum Designee that is then acting as an Other Manager (other
         than Affiliate) to act as Interim Manager under the Sprint Agreements.
         Any Sprint Spectrum Designee that is not then acting as an Other
         Manager must be acceptable to the Administrative Agent, which
         acceptance will not be unreasonably withheld.

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                  Upon the expiration of its initial six-month period as Interim
         Manager under the Sprint Agreements, Sprint Spectrum or the Sprint
         Spectrum Designee will agree to serve as Interim Manager for the
         Extension Period until the Administrative Agent gives Sprint Spectrum
         or the Sprint Spectrum Designee at least 30 days' written notice of its
         desire to terminate the relationship. If Sprint Spectrum's or the
         Sprint Spectrum Designee's term as Interim Manager is extended, then
         the Administrative Agent agrees that Sprint Spectrum's or the Sprint
         Spectrum Designee's right to be reimbursed by the Affiliate promptly
         for all amounts previously expended by Sprint Spectrum or the Sprint
         Spectrum Designee under Section 11.6.3 of the Management Agreement
         (which expenditures were incurred in accordance with Section 9 of this
         Consent and Agreement) shall no longer be subordinated to the
         Obligations as provided in Section 9 of this Consent and Agreement, and
         Sprint Spectrum's or the Sprint Spectrum Designee's right to be
         reimbursed by the Affiliate for any expenses it incurs pursuant to its
         rights under Section 11.6.3 of the Management Agreement as provided in
         the Management Agreement (which expenditures were incurred in
         accordance with Section 9 of this Consent and Agreement) shall not be
         subject to subordination to the Obligations as provided in Section 9 of
         this Consent and Agreement; provided, that Sprint Spectrum's or the
         Sprint Spectrum Designee's right to be reimbursed for amounts expended
         under Section 11.6.3 of the Management Agreement in an aggregate
         amount that exceed the Reimbursement Limit shall remain subordinated
         to the Obligations as provided in Section 9 of this Consent and
         Agreement. Notwithstanding any other provision in this Section 5(b) to
         the contrary, Sprint Spectrum or the Sprint Spectrum Designee shall
         not be required to continue to serve as Interim Manager during the
         Extension Period at any time after 30 days following delivery by it to
         the Administrative Agent of written notice that Sprint Spectrum or the
         Sprint Spectrum Designee needs to expend amounts under Section 11.6.3
         of the Management Agreement that Sprint Spectrum or the Sprint
         Spectrum Designee reasonably believes will not be reimbursed based on
         the projected Collected Revenues for the remainder of the Extension
         Period or reimbursed by the Lenders. If it becomes necessary for
         Sprint Spectrum or the Sprint Spectrum Designee to expend any amount
         that it believes will not be reimbursed or that exceeds the
         Reimbursement Limit, Sprint Spectrum or the Sprint Spectrum Designee
         is not required to incur such expense.

                  Upon the termination or expiration of the term of Sprint
         Spectrum or the Sprint Spectrum Designee as Interim Manager and with
         the consent of the Administrative Agent (which consent shall not be
         unreasonably withheld or delayed), Sprint Spectrum shall have the right
         to appoint a successor Interim Manager in accordance with Section 5(a).

                  (c) Administrative Agent Designee as Interim Manager.
         Notwithstanding anything in paragraph (a) above to the contrary, if,
         after Acceleration (as defined in Section 6(a) of this Consent and
         Agreement) and within 30 days after Sprint PCS gives the Administrative
         Agent notice of a Management Agreement Breach, Sprint Spectrum does not
         agree to act as Interim Manager or does not obtain the consent of a
         Sprint Spectrum Designee to act as Interim Manager under the Sprint
         Agreements, or if Sprint Spectrum or the Sprint Spectrum Designee gives
         the Administrative Agent notice of its resignation as Interim Manager
         and Sprint Spectrum fails to appoint a successor in accordance with
         Section 5(b) within 30 days after such resignation, the Administrative
         Agent may appoint an Administrative Agent Designee to act

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         as Interim Manager. Such Administrative Agent Designee must (i) agree
         to serve as Interim Manager for six months unless terminated earlier
         by Sprint PCS because of a material breach by the Administrative Agent
         Designee of the terms of the Sprint Agreements or by the
         Administrative Agent in its discretion, (ii) meet the applicable
         Successor Manager Requirements, and (iii) agree to comply with the
         terms of the Sprint Agreements. In the case of a proposed
         Administrative Agent Designee, Sprint PCS shall provide to the
         Administrative Agent, within 10 Business Days after the request
         therefor, a detailed description of all information reasonably
         requested by Sprint PCS to enable Sprint PCS to determine if a
         proposed Administrative Agent Designee satisfies the Successor Manager
         Requirements. Sprint PCS agrees to inform Administrative Agent within
         20 days after it receives such information respecting such proposed
         Administrative Agent Designee from the Administrative Agent whether
         such designee satisfies the Successor Manager Requirements. If Sprint
         PCS does not so inform the Administrative Agent within such 20-day
         period, then Sprint PCS shall be deemed to agree, for all purposes of
         this Consent and Agreement, that such proposed designee satisfies the
         Successor Manager Requirements. A Person that satisfies the Successor
         Manager Requirements qualifies under the Management Agreement to
         become a Successor Manager, unless the Administrative Agent Designee
         materially breaches the terms of a Sprint Agreement while acting as
         Interim Manager or no longer meets the Successor Manager Requirements.
         The Administrative Agent Designee may continue to serve as Interim
         Manager after the initial six-month period at the Administrative
         Agent's discretion, so long as the Administrative Agent Designee
         continues to satisfy the Successor Manager Requirements and it does
         not materially breach the terms of the Sprint Agreements. If the
         Administrative Agent Designee materially breaches any Sprint Agreement
         while acting as Interim Manager, then Sprint PCS and the
         Administrative Agent have the rights set forth in Section 5; provided,
         that Sprint PCS may not allow Affiliate to act as the Manager of the
         Sprint Agreements without the Administrative Agent's consent.

         SECTION 6. Purchase and Sale of the Operating Assets.  Upon the
occurrence and during the continuation of an Event of Default, the following
provisions shall govern the purchase and sale of the Operating Assets:

                  (a) Acceleration of the Obligations Under the Loan Documents.
         In the event the Lenders accelerate the maturity of the Obligations
         under the Loan Documents (an "Acceleration" and, the date thereof, an
         "Acceleration Date"), the Administrative Agent shall give written
         notice thereof to Sprint PCS. Upon receipt of notice of Acceleration,
         Sprint PCS shall have the right, to which right Borrower and Affiliate,
         by acknowledging this Consent and Agreement, expressly agree, to
         purchase the Operating Assets from Borrower and Affiliate for an amount
         equal to the greater of (i) 72% of the Entire Business Value (as
         defined in the Management Agreement), valued in accordance with the
         procedure set forth in Section 11.7 of the Management Agreement (with
         the assumption that the deemed ownership of the Disaggregated License
         under Section 11.7.3 of the Management Agreement includes the transfer
         of the Sprint PCS customers as contemplated by Section 11.4 of the
         Management Agreement), and (ii) the aggregate amount of the
         Obligations. Sprint PCS shall, within 60 days of receipt of notice of
         Acceleration, give Borrower, Affiliate and the Administrative Agent
         notice of its intent to exercise the purchase right. In the event
         Sprint PCS gives the Administrative Agent written notice of its intent
         to purchase the Operating Assets, the

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         Administrative Agent agrees that it shall not enforce its Security
         Interests in the Collateral until the earlier to occur of (i)
         expiration of the period consisting of 120 days after the Acceleration
         Date (or such later date that shall be provided for in the purchase
         agreement and acceptable to the Administrative Agent in its discretion
         to close the purchase of the Operating Assets) or (ii) receipt by
         Administrative Agent, Borrower and Affiliate from Sprint PCS of
         written notice that Sprint PCS has determined not to proceed with the
         closing of the purchase of the Operating Assets for any reason. If
         after the 120-day period after the Acceleration Date, Borrower or
         Affiliate receives any purchase offer for the Operating Assets or the
         Pledged Equity that is confirmed in writing by Borrower or Affiliate
         to be acceptable to Borrower or Affiliate, Sprint PCS shall have the
         right, subject to the consent of the Administrative Agent, to purchase
         the Operating Assets or the Pledged Equity, as the case may be, on
         terms and conditions at least as favorable to Borrower and Affiliate
         as the terms and conditions proposed in such offer so long as within
         14 Business Days after Sprint PCS's receipt of such other offer Sprint
         PCS offers to purchase the Operating Assets or the Pledged Equity and
         so long as the conditions of Sprint PCS's offer and the amount of time
         it will take Sprint PCS to effect such purchase is acceptable to
         Borrower, Affiliate and Administrative Agent. Any such offer shall be
         confirmed in writing by the third party offeror. In the event Sprint
         PCS exercises its rights under this Section 6(a), (i) Borrower and
         Affiliate shall sell the Operating Assets or the Pledged Equity to
         Sprint PCS, (ii) the Administrative Agent and the Lenders shall
         consent to such purchase and sale provided that the proceeds thereof
         shall be sufficient to repay the aggregate amount of the Obligations,
         and (iii) Sprint PCS shall make all payments to be made under this
         Section 6(a) to Administrative Agent for its application against the
         Obligations and any additional amounts shall be paid to Borrower or
         Affiliate or other owner of the assets sold unless otherwise required
         by law or by this Consent and Agreement. The purchase right of the
         Sprint Parties under this Section 6(a) shall be in substitution of the
         purchase rights of the Sprint Parties under Section 11.6.1 of the
         Management Agreement. If Sprint PCS purchases the Operating Assets or
         the Pledged Equity as permitted under this Section 6(a), the
         Administrative Agent and the Guarantors will release or assign their
         interests in the Collateral, the Additional Collateral and the
         Guaranty Documents as described below in Section 6(e) upon payment in
         full of the aggregate amount of the Obligations and the termination of
         all Commitments to advance credit under the Credit Agreement.

                  (b) Sale of Operating Assets to Third Parties. If the Sprint
         Parties do not purchase the Operating Assets after an Acceleration as
         described above in Section 6(a), the Collateral may be sold as follows:

                           (i) Sale to Successor Manager. The Collateral may be
         sold by the Administrative Agent (in its sole discretion) in the
         exercise of certain of its rights and remedies as a secured party under
         the Loan Documents or by Borrower or Affiliate, at the discretion of
         the Administrative Agent, to a person that satisfies the Successor
         Manager Requirements. Sprint PCS shall provide to the Administrative
         Agent, with a copy to Borrower, within 10 Business Days after the
         request therefor, a detailed description of all information reasonably
         requested by Sprint PCS to enable Sprint PCS to determine if a proposed
         buyer satisfies the Successor Manager

                                       9

<PAGE>   10

         Requirements. Sprint PCS agrees to inform the Administrative Agent and
         Borrower within 20 days after it receives such information respecting
         such proposed buyer from the Administrative Agent whether such
         designee satisfies the Successor Manager Requirements. If Sprint PCS
         does not so inform the Administrative Agent within such 20-day period,
         then Sprint PCS shall be deemed to agree, for all purposes of this
         Consent and Agreement, that such proposed designee satisfies the
         Successor Manager Requirements. If the proposed buyer satisfies the
         Successor Manager Requirements (or is deemed to satisfy such
         requirements) and wishes to become a "Successor Manager", the buyer
         must agree to be bound by the Sprint Agreements; provided, that buyer
         shall have no responsibility or liability for any liability to any
         Person other than a Sprint Party and Related Party of Sprint PCS
         arising out of Affiliate's operations prior to the date buyer becomes
         bound by the Sprint Agreements. In such case the Sprint Agreements
         shall remain in full force and effect with the buyer as Successor
         Manager and this Consent and Agreement shall remain in full force and
         effect for the benefit of the Successor Manager and any Person
         providing senior secured debt financing to such Successor Manager if
         required by such Person. Sprint PCS agrees, with respect to any past
         failure of Affiliate to perform any obligation under the Sprint
         Agreements, that the Successor Manager shall have the same amount of
         time to perform such obligation that Affiliate had under the Sprint
         Agreements, with the performance period commencing on the date on
         which the buyer becomes a Successor Manager. Sprint PCS shall permit
         the performance period set forth in the Management Agreement to be
         extended for such period of time that Sprint PCS believes is
         reasonable to allow Successor Manager to perform such unperformed
         obligations.

                          (ii) Sale to Other than Successor Manager. The
         Collateral may be sold pursuant to the exercise by the Administrative
         Agent or the Lenders of their rights and remedies under the Loan
         Documents or by Borrower or Affiliate, at the discretion of the
         Administrative Agent (subject to requirements of applicable law) to a
         person that does not satisfy the Successor Manager Requirements or to a
         person that does not wish to become a Successor Manager, but only under
         the following conditions:

                                    (A) the Sprint Parties may terminate the
         Sprint Agreements with such buyer following the closing of such
         purchase (and the Administrative Agent and the buyer shall have no
         rights thereto or thereunder with respect to events occurring after
         the closing of such purchase);

                                    (B) the buyer may purchase the Disaggregated
         License as described below in Section 6(b)(iv) and with the
         Disaggregated License having the characteristics described in the
         definition thereof; and

                                    (C) the purchase agreement with the buyer
         contains the requirements set forth in Section 6(c) of this Consent and
         Agreement.

                           (iii) Confidentiality Agreement. Before any potential
         buyer is provided Confidential Information respecting the potential
         purchase of any of the Collateral (which buyer shall be entitled to
         receive), the potential buyer shall execute a confidentiality agreement
         in the form attached as Exhibit A with such changes thereto as may be
         reasonably requested by the parties to the agreement; provided,
         however, in the event the potential buyer does not satisfy the
         Successor Manager Requirements or has notified Borrower, Sprint PCS or
         the Administrative Agent that it does not intend to be a Successor
         Manager, Confidential Information that constitutes or relates to any
         technical, marketing, financial, strategic or other

                                       10

<PAGE>   11

         information concerning any of the Sprint Parties and that does not
         pertain to the business of Affiliate shall not be permitted to be
         provided to such potential buyer.

                           (iv) Sale of Disaggregated Licenses. Sprint PCS will
         sell Disaggregated Licenses as follows when required under Section
         6(b)(ii)(B):

                                    (A) If a buyer wishes to purchase spectrum
         in connection with its purchase of the Operating Assets, it will
         purchase such spectrum from the Affiliate and Sprint PCS as follows.
         The buyer will purchase from the Affiliate or its Related Parties any
         licenses that Affiliate or such Related Parties own (the "Affiliate's
         Licenses"). If the Affiliate's Licenses were not being used to operate
         the Service Area Network, Sprint PCS will reimburse the buyer for the
         microwave relocation costs incurred to clear the spectrum bought from
         the Affiliate or its Related Parties that the buyer will need to use
         to operate the Service Area Network as constructed on the date that
         the buyer purchases the Operating Assets. If the buyer does not meet
         the FCC requirements to buy the Affiliate's Licenses, the buyer will
         seek a waiver from the FCC of the restrictions that prohibit the
         buyer's ownership of such licenses. While any such FCC application is
         pending and while the buyer is clearing the microwave from the
         Affiliate's spectrum, the buyer may continue to use Sprint PCS'
         Spectrum on which the Service Area Network operates. Sprint PCS will
         sell its Disaggregated Licenses as described in Sections 6(b)(iv)(B),
         6(b)(iv)(C) and 6(b)(iv)(D) only in those BTAs in which (1) the
         Affiliate or its Related Parties do not own a license or the
         obligation to sell the license is unenforceable, (2) the FCC will not
         approve the transfer of the Affiliate's License to the buyer, or (3)
         Sprint PCS determines that it does not wish to reimburse the buyer for
         the cost of the microwave relocation.

                                    (B) If the buyer, an entity with respect to
         which such buyer directly or indirectly through one or more persons
         owns the total voting power or at least 50% of the total voting power
         or at least 50% of the total equity (a "controlled entity"), an entity
         that directly or indirectly through one or more persons has a parent
         entity that owns at least 50% of the voting power or at least 50% of
         the total equity of both the buyer and the common controlled entity (a
         "common controlled entity"), owns a license to provide wireless
         service to at least 50% of the pops in a BTA with respect to which
         such buyer proposes to purchase Spectrum (each a "Restricted Party"
         with respect to such BTA), the buyer may buy only 5 MHZ of Spectrum
         from Sprint PCS for such BTA.

                                    (C) If the buyer is not a Restricted Party
         for a BTA with respect to which such buyer proposes to purchase
         Spectrum, and either does not satisfy the Successor Manager
         Requirements (other than those set forth in Section 13(b) of this
         Consent and Agreement) or does not wish to be a Successor Manager,
         then the buyer may buy 5 MHZ, 7.5 MHZ or 10 MHZ of Spectrum from
         Sprint PCS as the buyer determines in its sole discretion.

                                    (D) If Sprint PCS sells a Disaggregated
         License to a buyer as required under this Section 6(b)(iv), the buyer
         must pay a price equal to the sum of (1) the original cost of the
         applicable License to Sprint PCS pro rated on a pops and spectrum
         basis, plus (2) the microwave relocation costs paid by Sprint PCS
         attributable to clearing the Spectrum in the Disaggregated License,
         plus (3) the amount of carrying costs to Sprint PCS attributable

                                       11

<PAGE>   12

         to such original cost and microwave relocation costs from the date of
         this Consent and Agreement to and including the date on which the
         Disaggregated License is transferred to the buyer, based on a rate of
         12 percent per annum.

                  (c) No Direct Solicitation of Customers. Upon the sale of the
         Collateral or the Disaggregated License in accordance with this Consent
         and Agreement pursuant to Section 6(b)(ii), then the Sprint Parties
         agree to transfer to the buyer thereof the customers with a MIN
         assigned to the Service Area covered by the Disaggregated License, but
         Sprint PCS shall retain the customers of a national account and any
         resellers who are then party to a resale agreement with Sprint PCS.
         Each Sprint Party agrees to take all actions reasonably requested by
         the buyer of the Collateral to fully transfer to such purchaser such
         customers. Each Sprint Party agrees that neither it nor any of its
         Related Parties will directly or indirectly solicit, for six months
         after the date of transfer, the customers with a MIN assigned to the
         Service Area covered by the Disaggregated License; provided, that
         Sprint PCS retains the customers of a national account and any
         resellers that have entered into a resale agreement with Sprint PCS,
         Sprint PCS may advertise nationally, regionally and locally, and engage
         direct marketing firms to solicit customers generally. If the buyer
         continues to operate the purchased assets as a wireless network in the
         same geographic area on a network that is technologically compatible
         with Sprint PCS's network, the buyer and Sprint PCS shall each agree to
         provide roaming services to the other (in the case of Sprint PCS, the
         roaming services shall be provided to those customers of buyer in the
         geographic area serviced by the Disaggregated License roaming
         nationally and, in the case of buyer, the roaming services shall be
         provided to those customers of Sprint PCS roaming in the geographic
         area covered by the Disaggregated License) pursuant to a roaming
         agreement to be entered into between buyer and Sprint PCS and to be
         mutually agreed upon so long as such agreement is based on Sprint PCS's
         then standard roaming agreement used by Sprint PCS in the industry and
         the price that each party shall pay the other party for roaming
         services provided to the first party shall be a price equal to the
         lesser of: (1) MFN Pricing provided by buyer to third parties roaming
         in the geographic area serviced by the Disaggregated License; and (2)
         the national average paid by Sprint PCS to third parties for Sprint
         PCS's customers to roam in such third parties' geographic areas
         (including Other Managers). Such obligations with respect to roaming
         shall continue until such roaming agreement is terminated pursuant to
         its terms. The buyer shall agree in writing that if it continues to
         operate the purchased assets as a wireless network in the same
         geographic area on a network that is technologically compatible with
         Sprint PCS's network, the buyer shall, to the extent required by law,
         provide resale to Sprint PCS in the geographic area covered by the
         Disaggregated License at the MFN Pricing that buyer charges third
         parties who purchase resale from buyer; provided, however, if buyer is
         not offering resale to any other customers then pricing of resale
         provided to Sprint PCS shall be as mutually agreed; and provided,
         further, however, whether or not buyer is required by law to offer
         such resale, buyer shall offer such resale (on the terms described in
         this sentence) to national customers of Sprint PCS.

                  (d) Deferral of Portion of Collected Revenues. (i) Under
         Section 10.1.1 of the Management Agreement, Sprint PCS retains 8% of
         the Collected Revenues on a weekly basis (the "Retained Amount").
         Following an Acceleration and for up to two years after such
         Acceleration, Sprint PCS shall retain only one half of the Retained
         Amount, and the remaining one half of the Retained Amount shall be
         advanced to Affiliate (or, if so directed by the

                                       12

<PAGE>   13

         Administrative Agent pursuant to Section 2 hereof, to the
         Administrative Agent) at the time the weekly fee provided under
         Section 10.1.1 of the Management Agreement is paid; provided, that
         after the first anniversary of the Acceleration Date, Sprint PCS shall
         retain the entire Retained Amount if Sprint PCS is not serving as the
         Interim Manager.

                           (ii) The portion of the Retained Amount advanced to
         Affiliate (or, if so directed by the Administrative Agent pursuant to
         Section 2 hereof, to the Administrative Agent) (the "Deferred Amount")
         shall be evidenced by a promissory note executed by Affiliate
         contemporaneously with this Consent and Agreement in the form of
         Exhibit B hereto (the "Deferred Amount Note").

                           (A) Amounts will be drawn on the Deferred Amount Note
                  each time Sprint PCS advances a Deferred Amount to Affiliate
                  or the Administrative Agent.

                           (B) The Deferred Amount Note will bear interest at a
                  rate equal to the greatest of (I) the average interest rate of
                  Affiliate's secured debt, (II) the average rate of Affiliate's
                  unsecured debt, and (III) Sprint PCS' cost of capital.

                           (C) The Deferred Amount Note shall mature on the
                  earlier of (I) the date on which a Successor Manager is
                  qualified and assumes Affiliate's rights and obligations under
                  the Sprint Agreements, and (II) the date on which the
                  Operating Assets are purchased by a third-party buyer, or on
                  which a stock or other equity acquisition, merger,
                  consolidation or other transaction resulting in the indirect
                  transfer of the Operating Assets to a third-party buyer (an
                  "Indirect Transfer") is consummated.

                           (iii) In the event a Successor Manager assumes any of
         the obligations of Affiliate under the Sprint Agreements, such
         Successor Manager shall also assume the obligations under the Deferred
         Amount Note. In the event that the Operating Assets are sold to a third
         party buyer or an Indirect Transfer is consummated, the obligations of
         Affiliate under the Deferred Amount Note shall be subordinate to
         Borrower's obligations to its secured lenders.

                           (iv) After the two-year anniversary of the
         Acceleration, or earlier if a Successor Manager is appointed or if
         Sprint PCS is not serving as the Interim Manager, Sprint PCS will again
         retain the full Retained Amount.

                  (e) Payment of Obligations; Release and Assignment of Rights.
The term "Obligations" means the amount equal to the Obligations, after taking
into consideration any amounts received from the Guarantors.

                  If Sprint PCS purchases the Operating Assets or the Pledged
Equity as permitted under Section 6(a) or Section 10, and the Obligations have
been paid in full and the Credit Agreement and all Commitments have terminated
or been assigned to a Sprint Party: (i) the Guarantors will have no

                                       13

<PAGE>   14

right to any amounts paid by Sprint PCS pursuant to such purchase (except to the
extent such purchase is pursuant to Section 6(a) and the amount paid by Sprint
PCS exceeds the amount of the Obligations and is not payable to other creditors
of Borrower or Affiliate); (ii) the Administrative Agent will, at the election
of Sprint PCS, either release or assign to Sprint PCS all Security Interests in
the Collateral and all Additional Security Interests in the Additional
Collateral and release or assign to Sprint PCS all rights related to the Loan
Documents and the Guaranty Documents and all payments under the Loan Documents
and the Guaranty Documents; and (iii) the Guarantors will, at the election of
Sprint PCS, release or assign to Sprint PCS, any and all rights they have
against the Collateral and the Additional Collateral or arising out of any
payment to the Administrative Agent or any Sprint Party with respect to the Loan
Documents or the Guaranty Documents.

         SECTION 7. No Limits on Remedies. Nothing contained in this Consent and
Agreement shall limit any rights of the Administrative Agent or Lenders to
Accelerate. Except as expressly provided herein, nothing contained in this
Consent and Agreement shall limit any rights or remedies that the Administrative
Agent or the Lenders may have under the Loan Documents or applicable law. The
Administrative Agent may not sell, lease, assign, convey or otherwise dispose of
the Collateral other than as permitted under this Consent and Agreement.

         SECTION 8. Rights and Obligations of Interim Manager. The Interim
Manager may collect a reasonable management fee for its services; provided, that
if Sprint Spectrum or a Related Party of Sprint PCS acts as Interim Manager,
such management fee shall not exceed the direct expenses relating to Sprint
Spectrum or such Related Party employees for the actual time spent by such
employees when performing the function of Interim Manager and Sprint Spectrum's
or such Related Party's out-of-pocket expenses. Such direct expenses shall
include such employees' salaries and benefits, and the out-of-pocket and accrued
expenses allocated to such employees. If Sprint Spectrum is the Interim Manager,
the management fee will be paid out of the 92% Management Fee that Sprint PCS
pays under the Management Agreement, and will be in addition to the fees it
receives under the Services Agreement. Sprint PCS shall collect such management
fee by setoff against the fees and any other amounts payable to Affiliate under
the Sprint Agreements. The Interim Manager will be required to operate the
Service Area Network in accordance with the terms of the Sprint Agreements and
will be subject to all of the requirements and obligations of such agreements,
but will not be required to assume the existing liabilities of Affiliate.

         SECTION 9. Rights to Cure. Neither the provisions of this Consent and
Agreement nor any action of either Administrative Agent or Sprint PCS shall
require either Administrative Agent, any Lender or Sprint PCS to cure any
default of Affiliate under the Sprint Agreements or to perform under the Sprint
Agreements, but shall only give it the option to do so except to the extent
otherwise required by this Consent and Agreement. Sprint PCS may exercise its
rights under Section 11.6.3 of the Management Agreement upon an Event of
Termination, whether such situation arises while Affiliate, Sprint Spectrum, an
Administrative Agent Designee or a Sprint Spectrum Designee is acting as Interim
Manager and notwithstanding any other provision of this Consent and Agreement;
provided, that the right to reimbursement for any expenses incurred in
connection with such cure shall be unsecured and until such time as the
Obligations have been paid in full in cash and all commitments to advance credit
under the Credit Agreement have terminated or expired, the Person or Persons
entitled thereto shall not receive such reimbursement, except as specifically
provided in Section 4(b) or Section 5(b) of this

                                       14

<PAGE>   15

Consent and Agreement. Sprint PCS shall not be permitted to deduct or setoff
from its payments to Affiliate any such amounts it is not entitled to receive
under this Section and shall not take any action of any type to attempt to
collect such reimbursement and the failure to be so reimbursed shall not
constitute a Management Agreement Breach. In the event that Sprint PCS receives
any payments or distributions that it is not entitled to receive under this
Section, such payments shall be held in trust for, and promptly turned over to,
the parties entitled thereto. If Sprint PCS has designated a third party to take
action under Section 11.6.3 of the Management Agreement, before taking any such
action such third party shall enter into an agreement with Administrative Agent
providing that such third party agrees to the provisions of this Section 9 as if
it were a party hereto. Until such time as the Obligations have been paid in
full in cash and all commitments to advance credit under the Credit Agreement
have terminated or expired, Sprint PCS shall not be entitled to exercise any
other remedies under the Sprint Agreements, including, without limitation, the
remedy of terminating the Sprint Agreements (except to the extent permitted
under Sections 6(b)(ii)(A) and 12 of this Consent and Agreement) or the remedy
of withholding any payment set forth in Section 10 of the Management Agreement
(subject to Sprint PCS's rights of setoff or recoupment with respect to such
payments as permitted under Sections 2, 4(b) and 5(b) of this Consent and
Agreement). Until such time as the Obligations have been paid in full in cash
and all commitments to advance credit under the Credit Agreement have terminated
or expired, notwithstanding anything to the contrary contained in Section 2.3 of
the Management Agreement, in no event shall any Person other than Affiliate or a
Successor Manager be a manager or operator for Sprint PCS with respect to the
Service Area and neither Sprint PCS nor any of its Related Parties shall own,
operate, build or manage another wireless mobility communications network in the
Service Area, except to the extent provided in Sections 2.3(a), (b), (c) or (d)
of the Management Agreement and except to the extent that the Sprint Agreements
are terminated in accordance with Section 6(b)(ii)(A) of this Agreement. The
Administrative Agent acknowledges and agrees that Sprint PCS shall also have the
right to cure an Event of Default or to assist Affiliate in curing an Event of
Default but only to the extent Borrower has the right to so cure under the Loan
Documents, as applicable (it being understood that the act of Sprint PCS curing
an Event of Default shall not constitute an independent Event of Default unless
the act itself would otherwise constitute a Default (e.g. a sale of assets not
otherwise permitted by the Loan Documents)), including but not limited to Sprint
PCS's providing Borrower the funds necessary to operate or meet certain
financial covenants in the Loan Documents. The Administrative Agent shall have
the right to cure any Management Agreement Breach.

         SECTION 10. Sprint PCS's Right to Purchase Obligations, Operating
Assets, or Pledged Equity. (a) Following the Acceleration Date and until the
60-day anniversary of the filing of a bankruptcy petition by or with respect to
Borrower or Affiliate, Sprint PCS shall have the right to purchase the
Obligations under, and as defined in, the Credit Agreement, by repaying the
Obligations in full in cash. In the event that Sprint PCS purchases the
Obligations within 60 days immediately following the earlier of (i) the
Acceleration Date and (ii) the date of the filing of a bankruptcy petition by or
with respect to Borrower or Affiliate, Sprint PCS may in lieu of purchasing the
total amount of the Obligations, purchase all Obligations other than the accrued
interest with respect thereto for a purchase price equal to the amount of the
Obligations other than such accrued interest and any fees and expenses that are
unreasonable, in which case, such accrued interest and unreasonable fees and
expenses shall remain due and owing by Affiliate to the Lenders.

                  (b) In the event that the Administrative Agent acquires the
Operating Assets or takes title to the Pledged Equity, Sprint PCS shall have the
right to purchase the Operating Assets or the

                                       15

<PAGE>   16

Pledged Equity from the Administrative Agent during the limited period of time
provided in and otherwise in accordance with this Section 10(b) by paying to the
Administrative Agent in cash an amount equal to the sum of the aggregate amount
paid (by credit against the Obligations or otherwise) by the Administrative
Agent or the Lenders for the Operating Assets or Pledged Equity, as the case may
be, plus the aggregate amount of any remaining unpaid Obligations.
Administrative Agent shall give Sprint PCS notice of any acquisition of the
Operating Assets or the Pledged Equity by the Administrative Agent promptly
following the date of final consummation of such acquisition (the "Acquisition
Notice"). Sprint PCS shall, within 60 days of receipt of a valid Acquisition
Notice, give the Administrative Agent (and Borrower in the case of a purchase of
the Pledged Equity) notice of its intent to exercise its purchase right under
this Section 10(b). In the event Sprint PCS gives the Administrative Agent
written notice of its intent to purchase the Operating Assets or the Pledged
Equity, the Administrative Agent agrees that it shall provide Sprint PCS the
right to purchase the Operating Assets or Pledged Equity, as the case may be,
until the earlier to occur of (i) expiration of the period consisting of 120
days after Sprint PCS' receipt of a valid Acquisition Notice (or such later date
that shall be provided for in the purchase agreement and acceptable to the
Administrative Agent in its sole discretion to close the purchase of the
Operating Assets or Pledged Equity) or (ii) receipt by Administrative Agent from
Sprint PCS of written notice that Sprint PCS has determined not to proceed with
the closing of the purchase of the Operating Assets or Pledged Equity. If Sprint
PCS at any time purchases the Operating Assets or Pledged Equity as permitted
under this Section 10, the Administrative Agent and the Guarantors will release
or assign their interest in the Collateral, the Loan Documents and the Guaranty
Documents as described in Section 6(e) upon payment in full of the aggregate
amount of the Obligations. Notwithstanding the foregoing, in the event that a
bankruptcy petition is filed by or with respect to Affiliate, Sprint PCS shall
again have the right to purchase the Operating Assets or the Pledged Equity from
the Administrative Agent by repaying the Obligations in full in cash, by giving
the Administrative Agent notice of its intent to exercise such purchase right no
later than 60 days following the date of filing of such bankruptcy petition.

                  (c) If at any time during the period described in Section
10(a) or 10(b) above or thereafter the Administrative Agent receives any
purchase offer for the Operating Assets, the Pledged Equity or the Obligations,
as applicable, that is acceptable to the Administrative Agent, the
Administrative Agent shall exercise reasonable efforts to obtain the consent of
the offeror to deliver a copy of such offer to Sprint PCS and Sprint PCS shall
have the right to purchase the Operating Assets, the Pledged Equity or the
Obligations, as applicable, on terms and conditions at least as favorable to the
Administrative Agent as the terms and conditions proposed in such offer so long
as within 14 Business Days after Sprint PCS's receipt of such other offer Sprint
PCS offers to purchase the Operating Assets, the Pledged Equity or the
Obligations, as applicable, and so long as the conditions of Sprint PCS's offer
and the amount of time it will take Sprint PCS to effect such purchase is
acceptable to the Administrative Agent and the Lenders.

                  (d) If Sprint PCS at any time purchases the entirety of the
Obligations as provided in this Section 10, the Administrative Agent shall
assign and transfer or cause the Lenders to assign and transfer to Sprint PCS
all rights and interests in, to and under all of the Loan Documents, including
but not limited to all security interests, liens, financing statements,
guaranties (including the Guaranty Documents) and other credit enhancements
related to such Loan Documents, and all rights and claims thereunder
(collectively referred to as the "Loan Document Rights"). If Sprint PCS
purchases all Obligations other than accrued interest (as permitted in the
second sentence of Section 10(a) above),

                                       16

<PAGE>   17

then the Administrative Agent shall assign and transfer or cause the Lenders to
assign and transfer to Sprint PCS all Loan Document Rights, except that if
Sprint PCS receives payment in full of all Obligations due under the Loan
Documents (including the amount it did not pay the Administrative Agent, as
permitted in the second sentence of Section 10(a) above), it shall pay such
amount to the Administrative Agent unless the Administrative Agent has already
received payment of such amount. If Sprint PCS at any time purchases the
entirety or less than all of the Obligations, the Guarantors will release any
and all rights they have against the Collateral or arising out of any payment to
the Administrative Agent or any Sprint Party with respect to the Loan Documents
or their Guaranty Documents.

         SECTION 11. Foreclosure. Upon the Administrative Agent or any Lender or
any other Person that meets the Successor Manager Requirements acquiring the
Operating Assets and the Sprint Agreements, then such Person shall be entitled
to exercise any and all rights of Affiliate under the Sprint Agreements in
accordance with the terms of the Sprint Agreements and each Sprint Party will
thereupon comply in all respects with such exercise by such Person and perform
its obligations under the Sprint Agreements and this Consent and Agreement for
the benefit of such Person. Each Sprint Party agrees that the Administrative
Agent or any Lender may (but shall not be obligated to), subject to and in
accordance with the terms of this Consent and Agreement, assign its rights and
interests acquired in the Operating Assets and the Sprint Agreements to any
buyer or transferee thereof and, in the event the buyer wishes to become a party
to the Sprint Agreements and such buyer satisfies the Successor Manager
Requirements, such buyer shall be bound by the Sprint Agreements; provided, that
buyer shall have no responsibility or liability to any Person other than a
Sprint Party and a Related Party of a Sprint Party arising out of Affiliate's
operations prior to the date buyer becomes bound by the Sprint Agreements. In
such case the Sprint Agreements shall remain in full force and effect with the
buyer as Successor Manager and this Consent and Agreement shall remain in full
force and effect for the benefit of the Successor Manager and any Person
providing senior secured debt financing to such Successor Manager if required by
such Person. Sprint PCS agrees, with respect to any past failure of Affiliate to
perform any obligation under the Sprint Agreements, that the Successor Manager
shall have the same amount of time to perform such obligation that Affiliate had
under the Sprint Agreements, with the performance period commencing on the date
on which the buyer becomes a Successor Manager. Sprint PCS shall permit the
performance period set forth in the Management Agreement to be extended for such
period of time that Sprint PCS believes is reasonable to allow Successor Manager
to perform such unperformed obligations.

         SECTION 12. Trademarks and Service Marks. In the event the
Administrative Agent forecloses on its security interest in the License
Agreements and transfers the License Agreements to a Person who does not meet
the Successor Manager Requirements, then Sprint PCS shall have the right to
terminate the License Agreements and cause the Administrative Agent to release
its security interest in the License Agreements immediately prior to such
transfer.

         SECTION 13. Interim Manager and Successor Manager Requirements.  To
qualify as an Interim Manager or a Successor Manager, the Person must satisfy
each of the following "Successor Manager Requirements," as applicable:

                  (a) The Person must not during the three-year period
         immediately preceding the date of determination have materially
         breached any material agreement with Sprint Spectrum

                                       17

<PAGE>   18

         or its Related Parties that resulted in the exercise of a termination
         right or in the initiation of judicial or arbitration proceedings;

                  (b) The Person must not be one of the Persons identified on
         Schedule 13 (a "Schedule 13 Person"); provided, that no Other Manager
         under any Sprint PCS Management Agreement may be identified on Schedule
         13;

                  (c) In the case of a Successor Manager, the Person must meet a
         reasonable Person's credit criteria (taking into consideration the
         circumstances), it being understood that such criteria is satisfied if
         the financial projections contained in the business plan such Person
         submits to Sprint PCS shows the ability to service its indebtedness and
         meet the build-out requirements contained in the Build-out Plan; and

                  (d) The Person must agree to be bound by the terms of the
         Sprint Agreements as if an original party thereto; provided, in the
         case of an Interim Manager, the Person must also execute a separate
         confidentiality agreement in the form attached as Exhibit A with such
         changes thereto as may be reasonably requested by the parties to the
         agreement, but the Person is not required to assume the existing
         liabilities of the Affiliate.

         The Administrative Agent, each Lender and each of their wholly-owned
subsidiaries or entities who wholly-own such entities shall be deemed to satisfy
Sections 13(a), (b) and (c) of the preceding "Successor Management
Requirements".

         SECTION 14. Management Agreement. Sprint PCS agrees that it will not
exercise its right under the Management Agreement to purchase the Operating
Assets or to sell the Disaggregated License to Affiliate if before, or after
giving effect to such exercise, there would exist a Default or Event of Default
under the Credit Agreement, unless Sprint PCS pays the aggregate amount of the
Obligations as a condition of the exercise of such right and the Credit
Agreement shall have been terminated in connection with such payment. Sprint PCS
agrees that until the Obligations have been paid in full in cash and all
commitments to advance credit under the Credit Agreement have terminated or
expired, a failure to pay any amount by any Related Party of the Affiliate under
any agreement with Sprint PCS or any of its Related Parties (other than the
Management Agreement, the Services Agreement or the License Agreements) shall
not constitute a Management Agreement Breach for any purpose. Subject to
regulatory approval in connection with any such sale, Sprint PCS agrees that it
shall always maintain the ability to sell the Disaggregated License in
accordance with this Consent and Agreement. Sprint PCS shall own at least 10 MHZ
of Spectrum in the Service Area until the first to occur of the following
events: (i) the Obligations have been paid in full in cash and all commitments
to advance credit under the Credit Agreement have terminated or expired, (ii)
the sale by Sprint PCS of the Spectrum pursuant to this Consent and Agreement
shall be effected, (iii) the sale of the Operating Assets pursuant to this
Consent and Agreement, and (iv) the termination of the Management Agreement.
Sprint PCS acknowledges that the financing provided to Borrower pursuant to the
Loan Documents and the proposed capital contribution from Alamosa PCS Holdings,
Inc. ("Alamosa Holdings"), the sole stockholder of Borrower, following its
initial public offering of common stock contemplated by the registration
statement of Borrower filed with the Securities and Exchange Commission on
October 29, 1999, as amended, comply with Section 1.7 of the Management
Agreement, as amended by Addendum II of the Management Agreement ("Section
1.7"), and that

                                       18

<PAGE>   19

Section 11.3.6 of the Management Agreement shall no longer be applicable with
respect to such financing so long as Borrower makes capital contributions to
Affiliate in the amounts and by the deadlines set forth in Section 1.7.
Notwithstanding anything to the contrary contained in Section 12.2 of the
Management Agreement, the Administrative Agent, the Lenders, and any Successor
Manager or buyer of the Operating Assets or Disaggregated License shall be
permitted to disclose Confidential Information (as defined in the Management
Agreement) (i) to the extent required by law, rule or regulation, (ii) to any
regulator or any regulatory body regulating such entity, (iii) to any rating
agency in connection with requirements applicable to such Person and (iv) to the
lawyers and accountants for any such Persons.

         SECTION 15. Administrative Agent and Eligible Assignees. The
Administrative Agent and each Lender must be an Eligible Assignee. "Eligible
Assignee" shall mean and include a commercial bank, financial institution, other
"accredited investor" (as defined in Regulation D of the Securities Act) other
than individuals, or a "qualified institutional buyer" as defined in rule 144A
of the Securities Act; provided, that prior to the 61st day after the filing of
a bankruptcy petition by or with respect to Affiliate in no event may any Person
that is engaged in or that controls, is controlled by or is under common control
with any Person engaged in, the telecommunications service business in the
United States (other than Sprint Corporation and its subsidiaries), be an
Eligible Assignee, it being understood that no small business investment
corporation that is ultimately owned by an Eligible Assignee that is subject to
Regulation Y shall be deemed to be controlled by or under common control with
such Eligible Assignee; and provided further, that after the filing of such
bankruptcy petition in no event may a Schedule 13 Person be an Eligible
Assignee.

         SECTION 16. Sprint Party Representations. Each Sprint Party represents
and warrants to the Administrative Agent, as of the Closing Date (a) its
execution, delivery and performance of this Consent and Agreement has been duly
authorized by all necessary corporate and partnership action, and does not and
will not require any further consents or approvals that have not been obtained,
or violate any provision of any law, regulation, order, judgment, injunction or
similar matters or materially breach any agreement presently in effect with
respect to or binding on it; provided, that the transfer of Spectrum as
contemplated under this Consent and Agreement will require regulatory approval
(which each Sprint Party agrees to use its commercially reasonable efforts to
obtain); (b) this Consent and Agreement is a legal, valid and binding obligation
of such Person enforceable against it in accordance with its terms, except that
(i) such enforceability may be limited by applicable bankruptcy, insolvency,
fraudulent transfer, reorganization, moratorium and similar laws affecting the
enforcement of creditors' rights generally, and (ii) the remedy of specific
performance and injunctive and other forms of equitable relief may be limited by
equitable defenses and by the discretion of the court before which any
proceeding may be brought; (c) the Sprint Agreements are in full force and
effect and have not been amended, supplemented or modified; (d) as of the date
of execution hereof, to the knowledge of the Sprint Parties, no Event of
Termination has occurred and is continuing (without regard to any requirement of
the delivery of written notice necessary to the occurrence of an Event of
Termination under Section 11.3 of the Management Agreement); (e) on the date the
Management Agreement was executed Sprint PCS owned, and on the date hereof
Sprint PCS owns, 10 MHz or more of Spectrum in the Service Area; and (f) the
only existing agreements or arrangements between Borrower or Affiliate, on the
one hand, and Sprint Corporation or any of its subsidiaries, on the other hand,
are the Management Agreement, the Services Agreement, the License Agreements,
this Consent and Agreement and the Deferred Amount Note.

                                       19

<PAGE>   20

         SECTION 17. Administrative Agent Representations. The Administrative
Agent represents and warrants to Sprint PCS, as of the Closing Date (a) its
execution, delivery and performance of this Consent and Agreement has been duly
authorized by all necessary corporate action, and does not and will not require
any further consents or approvals that have not been obtained, or violate any
provision of any law, regulation, order, judgment, injunction or similar matters
or materially breach any agreement presently in effect with respect to or
binding on it; (b) this Consent and Agreement is a legal, valid and binding
obligation of the Administrative Agent enforceable against it in accordance with
its terms, except that (i) such enforceability may be limited by applicable
bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and
similar laws affecting the enforcement of creditors' rights generally, and (ii)
the remedy of specific performance and injunctive and other forms of equitable
relief may be limited by equitable defenses and by the discretion of the court
before which any proceeding may be brought; (c) at the time of the execution
hereof, Administrative Agent is the only Lender; (d) as of the date of execution
hereof, to the knowledge of the Administrative Agent, no Event of Default has
occurred and is continuing; and (e) the Guaranty Documents have been duly
executed and delivered to the parties to such agreements.

         SECTION 18. Successors and Assigns. This Consent and Agreement shall be
binding upon the successors and assigns of the parties hereto and shall inure,
together with the rights and remedies of the parties hereunder, to the benefit
of their respective successors and assigns. In the event the Sprint PCS Network
is sold in accordance with the Management Agreement, the buyer thereof will
assume the obligations of the Sprint Parties hereunder and under all the other
Sprint Agreements other than the Sprint Trademark and Service Mark License
Agreement; provided, however, the buyer of the Sprint PCS Network shall enter
into an agreement with Affiliate on substantially the same terms as the Sprint
Trademark and Service Mark License Agreement with respect to such buyers'
trademarks, service marks, brands, etc. In the event a Successor Manager becomes
a party to the Sprint Agreements as provided in this Agreement, this Consent and
Agreement shall remain in full force and effect for the benefit of the Successor
Manager and any Person providing senior secured debt financing to such Successor
Manager if required by such Person.

         SECTION 19. Amendment. Neither this Consent and Agreement nor any
provision herein may be waived except pursuant to an agreement or agreements in
writing entered into by Sprint PCS, the Administrative Agent, Borrower and
Affiliate, and neither this Consent and Agreement nor any provision herein may
be amended or modified except pursuant to an agreement or agreements in writing
entered into by Sprint PCS, the Administrative Agent, Borrower and Affiliate;
provided, however, that no consent of Borrower or Affiliate shall be necessary
for any amendment or modification to this Consent and Agreement made pursuant to
or in accordance with Section 25 hereof, unless such amendment or modification
could reasonably be expected to be materially adverse to Borrower or Affiliate.
The Administrative Agent and each Lender (and its successors and assigns) shall
be bound by any modification or amendment authorized by this Section 19. No
amendment or waiver or effective amendment or waiver entered into in violation
of this Section 19 shall be valid.

         SECTION 20. APPLICABLE LAW. THIS CONSENT AND AGREEMENT SHALL BE
GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW
YORK.

                                       20

<PAGE>   21

         SECTION 21. Notices. Notices and other communications provided for in
this Consent and Agreement shall be in writing and shall be delivered by hand or
overnight courier service, mailed or sent by telecopy, as follows:

                  (a) if to Sprint PCS, to it at:

                           Sprint Spectrum L.P.
                           4900 Main, 12th Floor
                           Kansas City, Missouri, 64112

                           Telephone No.: (816) 559-1000
                           Telecopier No.: (816) 559-1290
                           Attention: Chief Executive Officer

                           with a copy to:

                           4900 Main, 11th Floor
                           Kansas City, Missouri, 64112

                           Telephone No.: (816) 559-1000
                           Telecopier No.: (816) 559-2591
                           Attention: General Counsel

                  (b) if to the Administrative Agent, to it at:

                           Nortel Networks Inc.
                           GMC 991 15 A40
                           2221 Lakeside Blvd.
                           Richardson, Texas 75082-4399
                           Telephone No.: (972) 685-1525
                           Telecopier No.: (972) 684-3679
                           Attention: Director,
                                        Customer Finance North America
                                             And Charles M. Helm, Esq.

                           Nortel Networks Inc.
                           P. O. Box 833858
                           Richardson, Texas 75083-3858
                           Mail Stop 04D/02/A40
                           Telephone No.: 972) 684-7687
                           Telecopier No.: (972) 684-3808
                           Attention: Kimberly Poe, Loan Administration

                                       21

<PAGE>   22

                           with a copy to:

                           Jenkens & Gilchrist
                           1445 Ross Avenue
                           Suite 3200
                           Dallas, Texas 75202
                           Telephone No.: (214) 855-4500
                           Telecopier No.: (214) 855-4300
                           Attention: Ronald D. Rosener

                                       22

<PAGE>   23

                  (c) if to Borrower, to it at:

                           Alamosa PCS, Inc.
                           200 West Ninth Street Plaza, Suite 102
                           Wilmington, Delaware 19801
                           Telephone No.: (302) 658-0468
                           Telecopier No.: (302) 573-3899
                           Attention: President

                           with a copy to:

                           Crenshaw, Dupree & Martin
                           P.O. Box 1499
                           Lubbock, TX 79408
                           Telephone No.: (806) 762-5221
                           Telecopier No.: (806) 762-3510
                           Attention: Jack McCutchin, Jr.

                  (d) if to Affiliate, to it at:

                           Alamosa Wisconsin Limited Partnership
                           4403 Brownfield Highway
                           Lubbock, Texas 79407
                           Telephone No.: (806) 722-1100
                           Telecopier No.: (806) 791-1120
                           Attention: David E. Sharbutt
                                        Chairman of the Board of Managers

All notices and other communications given to any party hereto in accordance
with the provisions of this Consent and Agreement shall be deemed to have been
given on the date of receipt if delivered by hand or overnight courier service
or sent by telecopy, or on the date five (5) business days after dispatch by
certified or registered mail if mailed, in each case delivered, sent or mailed
(properly addressed) to such party as provided in this Section 21 or in
accordance with the latest unrevoked direction from such party given in
accordance with this Section 21.

         SECTION 22. Counterparts. This Consent and Agreement may be executed in
two or more counterparts, each of which shall constitute an original but all of
which when taken together shall constitute but one contract.

         SECTION 23. Severability. Any provision of this Consent and Agreement
that is prohibited or unenforceable in any jurisdiction shall, as to such
jurisdiction, be ineffective to the extent of such prohibition or
unenforceability without invalidating the remaining provisions hereof, and any
such prohibition or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provision in any other jurisdiction. The parties shall
endeavor in good faith negotiations to replace the

                                       23

<PAGE>   24

invalid, illegal or unenforceable provision with valid provisions the economic
effect of which is as close as possible to that of the invalid, illegal or
unenforceable provision.

         SECTION 24. Termination. This Consent and Agreement shall terminate and
be of no further force and effect upon the first to occur of the following: (i)
the Obligations are paid in full and the Credit Agreement and all Commitments
are terminated; and (ii) the Sprint Agreements terminate.

         SECTION 25. Amendments to Form Consent and Agreement. If Sprint PCS
modifies or amends the form of Consent and Agreement it enters into with another
lender in connection with a loan to an Other Manager that is syndicated or
intended to be syndicated (i.e., a loan sold or participated, or intended to be
sold or participated, in whole or in part to at least three financial
institutions or investment funds) and where the pops in the Service Area of the
Other Manager exceed 5 million, then Sprint PCS agrees to give the
Administrative Agent the right to so amend this Consent and Agreement, subject
to the provisions of clauses (a), (b) and (c) below. Sprint PCS agrees to give
the Administrative Agent written notice of such modifications and amendments
and, at the request of Administrative Agent, to amend this Consent and Agreement
in the same manner; provided, that: (a) Sprint PCS will not modify this Consent
and Agreement to incorporate changes made for the benefit of a lender because of
circumstances related to a particular Other Manager, subject to the limitations
set forth below; (b) the Administrative Agent must agree to make all (or none)
of the changes made for the other lender and the Other Manager, unless Sprint
PCS agrees to allow the Administrative Agent to make only some of the changes;
and (c) if such amendment to this Consent and Agreement could reasonably be
expected to be materially adverse to Borrower or Affiliate, such amendment shall
not be made without the prior written consent of Borrower and Affiliate
(although the Borrower's and Affiliate's withholding of such consent will result
in none of the changes being made to this Consent and Agreement because of the
requirements of clause (b) above).

         For purposes of subsection (a) in the preceding paragraph, Sprint PCS
will not deem the following changes to be made because of circumstances related
to a particular Other Manager: (i) any form of recourse to Sprint PCS or other
similar form of credit enhancement; (ii) any change in Sprint PCS's right to
purchase Operating Assets or Obligations; (iii) any change in the Affiliate's,
Administrative Agent's or Lenders' right to sell the Collateral or purchase the
Disaggregated License (including, without limitation, any rights of first
refusal and the purchase price of the Disaggregated License); (iv) any change in
the ownership status, terms of usage or amount of Disaggregated License utilized
by Affiliate; (v) any material change in the flow of revenues between Sprint
Spectrum and Affiliate excluding changes related to the pricing of direct or
indirect fees, but including any subordination of direct or indirect fees or
other amounts or costs due under the Sprint Agreements or hereunder to Sprint
PCS; (vi) any change to obligations required to be assumed by, or qualifications
for, any Interim or Successor Manager, including changes in the time period or
terms under which Sprint PCS agrees to remain as Interim Manager; (vii) any
changes in confidentiality, non-compete or Eligible Assignee language, including
changes to Schedule 13; (viii) any clarifications of FCC compliance issues; (ix)
the issuance of legal opinions; (x) any change in the circumstances under, or
procedures by which, an Interim Manager or Successor Manager is appointed; or
(xi) any change to this Section 25.

                                       24

<PAGE>   25

            [The remainder of this page is intentionally left blank.]

                                       25

<PAGE>   26

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

                                   SPRINT SPECTRUM L.P.

                                   By: /s/ Bernard A. Bianchino
                                       -----------------------------------
                                       Bernard A. Bianchino
                                       Senior Vice President and Chief Business
                                       Development Officer - Sprint PCS

                                   WIRELESSCO, L.P.

                                   By: /s/ Bernard A. Bianchino
                                       -----------------------------------
                                       Bernard A. Bianchino
                                       Senior Vice President and Chief Business
                                       Development Officer - Sprint PCS

                                   SPRINT COMMUNICATIONS COMPANY, L.P.

                                   By: /s/ Don A. Jensen
                                       -----------------------------------
                                       Don A. Jensen
                                       Vice President - Law

                                   NORTEL NETWORKS INC.
                                   for itself and as Administrative Agent

                                   By: /s/ Robert D. Beiter
                                       -----------------------------------
                                       Robert D. Beiter
                                       Director, Customer Finance

                                       26

<PAGE>   27

         Acknowledgment, Consent and Agreement of Borrower and Affiliate

         Each of the undersigned, Borrower and Affiliate, (i) has reviewed this
Consent and Agreement, (ii) acknowledges, consents and agrees to the terms and
provisions of this Consent and Agreement, and (iii) agrees to be bound by the
terms and provisions of this Consent and Agreement, including, without
limitation, such terms and provisions that affect Borrower and Affiliate, its
assets and rights under the Management Agreement. Without limiting the
generality of the foregoing, Borrower and Affiliate each acknowledges and agrees
that : (i) the right to appoint an Interim Manager is intended to allow the
right and ability to preserve and/or protect the Collateral or its value and the
Service Area Network or its value and (ii) in the event of the sale of the
Collateral by the Administrative Agent, the value of the Collateral may be
dependent on the right of the Person purchasing the Collateral to assume or be a
party to the Sprint Agreements and acknowledges that any sale of the Collateral
in accordance with Sections 6 and 10 hereof, the other provisions of this
Consent and Agreement and, to the extent not inconsistent with this Consent and
Agreement, the Loan Documents, is agreed to be a commercially reasonable
disposition of the Collateral by Administrative Agent.

         Borrower also agrees as follows:

                  1.      It will not use the proceeds from any of the Loan
                          Documents or from any other loan or extension of
                          credit to which this Consent and Agreement relates
                          for any purpose other than to contribute or loan such
                          proceeds to Affiliate or to Texas Telecommunications,
                          LP.

                  2.      Borrower agrees to promptly give Sprint PCS a copy of
                          any notice it receives from the Administrative Agent
                          or any Lender, and a copy of any notice Borrower
                          gives to Administrative Agent or any Lender.

ALAMOSA PCS, INC.
a Delaware corporation

By: /s/ David Sharbutt
    --------------------------------
    David Sharbutt, President

ALAMOSA WISCONSIN LIMITED PARTNERSHIP
a Wisconsin limited partnership

    By ALAMOSA WISCONSIN GP, LLC
       a Wisconsin limited liability company,
       as the sole general partner

       By: /s/ David Sharbutt
           -------------------------
           David Sharbutt, President

                                       27

<PAGE>   28

          Acknowledgment, Consent and Agreement of Affiliate's Partners

          The undersigned, being all of the partners of Affiliate, each agrees
that such partner (i) has reviewed this Consent and Agreement, (ii)
acknowledges, consents and agrees to the terms and provisions of this Consent
and Agreement, particularly as they modify the price (as set forth in the
Management Agreement) pursuant to which Sprint PCS may purchase the Operating
Assets under Sections 6 and 10 hereof, and as they require the Borrower,
Affiliate and their Related Parties to sell Affiliate's Licenses under Section 6
hereof, and (iii) agrees to take such action as is necessary to cause the
Borrower, Affiliate and their Related Parties to comply with the terms and
provisions of this Consent and Agreement.

ALAMOSA WISCONSIN GP, LLC
a Wisconsin limited liability company,
as the sole general partner of Affiliate

By: /s/ David Sharbutt
    ------------------------------------
    David Sharbutt, President

ALAMOSA PCS, INC.
a Delaware corporation,
a limited partner of Affiliate

By: /s/ David Sharbutt
    ------------------------------------
    David Sharbutt, President

CHIBARDUN TELEPHONE COOPERATIVE
a Wisconsin cooperative

By:
    ------------------------------------
Name:
Title:

                                       28

<PAGE>   29

               Acknowledgment, Consent and Agreement of Guarantors

         Each of the undersigned Guarantors (i) has reviewed this Consent and
Agreement, (ii) acknowledges, consents and agrees to the terms and provisions of
this Consent and Agreement, particularly as they modify the price (as set forth
in the Management Agreement) pursuant to which Sprint PCS may purchase the
Operating Assets under Sections 6 and 10 hereof, and as they require the
Borrower, Affiliate and their Related Parties to sell Affiliate's Licenses under
Section 6 hereof, and (iii) agrees to be bound by the terms and provisions of
this Consent and Agreement and to take such action as is necessary to cause
Affiliate and its Related Parties to comply with the terms and provisions of
this Consent and Agreement. Without limiting the generality of the foregoing,
each of the Guarantors acknowledges and agrees that: (i) the right to appoint an
Interim Manager is intended to allow the right and ability to preserve and/or
protect the Collateral or its value and the Service Area Network or its value
and (ii) in the event of the sale of the Collateral by the Administrative Agent,
the value of the Collateral may be dependent on the right of the Person
purchasing the Collateral to assume or be a party to the Sprint Agreements and
acknowledges that any sale of the Collateral in accordance with Sections 6 and
10 hereof, the other provisions of this Consent and Agreement and, to the extent
not inconsistent with this Consent and Agreement, the Loan Documents, is agreed
to be a commercially reasonable disposition of the Collateral by Administrative
Agent.

ALAMOSA PCS HOLDINGS, INC.
a Delaware corporation

By: /s/ David Sharbutt
    ------------------------------------
    David Sharbutt, President

ALAMOSA DELAWARE GP, LLC
a Delaware limited liability company

By: /s/ David Sharbutt
    ------------------------------------
    David Sharbutt, President

TEXAS TELECOMMUNICATIONS LP
a Texas limited partnership

    By   ALAMOSA DELAWARE GP, LLC
         a Delaware limited liability company,
         as the sole general partner

         By: /s/ David Sharbutt
             ---------------------------
             David Sharbutt, President

                                       29

<PAGE>   30

ALAMOSA WISCONSIN GP, LLC

By: /s/ David Sharbutt
    ------------------------------------
    David Sharbutt, President

ALAMOSA WISCONSIN LIMITED PARTNERSHIP
a Wisconsin limited partnership

         By ALAMOSA WISCONSIN GP, LLC
         a Wisconsin limited liability company
         its sole general partner

         By /s/ David Sharbutt
            ---------------------------
            David Sharbutt, President

                                       30<PAGE>   1
                                                                    EXHIBIT 10.5

                              EMPLOYMENT AGREEMENT
                              --------------------

         This Employment Agreement (this "Agreement") is entered into this date
by and between ALAMOSA PCS HOLDINGS, INC. and its subsidiaries, specifically
TEXAS TELECOMMUNICATIONS, LP, a Texas limited partnership, having its principal
executive office located at 4403 Brownfield Highway, Lubbock, Texas 79407 (the
"Company"), and LOYD RINEHART, an individual residing at 8321 4th Street,
Lubbock, Texas (the "Employee").

                                   WITNESSETH:

         WHEREAS, the parties are entering into this Agreement to set forth and
confirm their respective rights and obligations with respect to the Employee's
employment by the Company.

         NOW, THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto mutually agree as follows:

         1. EMPLOYMENT; TERM; DUTIES. The Company hereby employs the Employee as
Senior Vice President - Corporate Finance ("SVP-CF"). The term of the Employee's
employment, pursuant to this Agreement, will commence on June 1, 2000, (the
"Commencement Date") and will continue until June 1, 2005, or the termination of
this Agreement as described in Section 6 hereof, whichever shall occur first.
The Employee hereby accepts such employment, and agrees to devote his full time
and effort to the business and affairs of the Company with such duties
consistent with the Employee's position as may be assigned to him from time to
time by the Chief Financial Officer ("CFO") of the Company. The SVP-CF shall
report to the CFO of the Company. Notwithstanding the foregoing, the Company
acknowledges that the Employee has other business interests and ownerships as
well as serving on the Boards of Directors of other companies in which the
Employee is a stockholder or owner. Subject to the provisions of Sections 7
through 11 hereof, the Company acknowledges and consents to the continuation of
these ownerships and relationships, provided they do not interfere with the
Employee's duties under this Agreement. Notwithstanding anything to the contrary
in this Agreement, nothing in this Agreement shall be deemed to impose any
obligation on the Company or any of its subsidiaries to continue to employ the
Employee, or on the Employee to remain in the employ of the Company or any of
its subsidiaries.

         2. COMPENSATION. In consideration of all services rendered by the
Employee as SVP-CF during the term of his employment, pursuant to this
Agreement, the Company will provide the Employee with the following
compensation:

            (a) BASE SALARY. The Company will pay the Employee a base salary at
            the annual rate of $150,000.00, payable periodically but no less
            often than semi-

<PAGE>   2

            monthly, in substantially equal amounts, in accordance with the
            Company's payroll practices from time to time in effect. The Company
            will review the Employee's base salary at least once each year and
            may, in its discretion, increase the Employee's base salary.

            (b) BONUS. In addition to the Employee's base salary, the Employee
            shall be eligible to receive a bonus (a "Quarterly Bonus") for each
            calendar quarter in an amount, if any, determined as follows: In
            each calendar quarter, beginning June 30, 2000, Employee's Quarterly
            Bonus shall be the sum of (1) plus (2), as follows:

                (1) $12,500.00 multiplied by the percentage set forth opposite
                each Expected Milestone set forth in the attached EXHIBIT "A",
                incorporated herein by reference, which is achieved for that
                calendar quarter.

                (2) $12,500.00 multiplied by the percentage set forth opposite
                each Exceptional Milestone set forth in EXHIBIT "A" which is
                achieved for that calendar quarter.

            If any particular Expected Milestone or Exceptional Milestone is not
            achieved for any calendar quarter, that percentage share of the
            dollar amount specified in (1) or (2) above, as the case may be,
            shall not be payable as part of the Quarterly Bonus. The Expected
            Milestones, Exceptional Milestones and percentages set forth on
            EXHIBIT "A" may be changed by the Company at any time and from time
            to time, but any such change shall not apply earlier than the
            calendar quarter following the calendar quarter in which such change
            is made by the Company and communicated to the Employee.

            Any Quarterly Bonus owing to the Employee shall be paid within
            forty-five (45) days following the end of the applicable calendar
            quarter.

            The Employee will be entitled to an "Acquisition Bonus" based on
            acquisitions of POPs through purchase, merger, etc (not including
            pops assigned by Sprint) at the rate of $.05 per pop in any calendar
            year not to exceed $200,000 in any year. This bonus will be
            determined and paid within 60 days after the close of the calendar
            year of that year and any amount determined up to $200,000 maximum
            will be reduced by bonuses paid under (1) and (2) above for that
            calendar year. In any instance, the maximum bonus attributable to a
            calendar year will be the greater of the Quarterly Bonus or
            Acquisition Bonus.

                                       2
<PAGE>   3

            "POP" acquired during a quarter shall mean the population as of the
            latest census of a population center in which the Company or its
            parent or subsidiary or affiliate company may acquire the rights
            within that population center to have PCS telephone service. In
            order for such "POP" to be considered a part of this bonus, the
            actual acquisition must have been completed during that calendar
            year.

The Employee will receive no additional compensation for serving the Company in
any other capacity.

         3. EMPLOYEE BENEFITS. The Employee will be entitled to participate in
all incentive, retirement, profit-sharing, life, medical, disability and other
benefit plans and programs (collectively "Benefit Plans") as are from time to
time generally available to other executives of the Company with comparable
responsibilities, subject to the provisions of those programs. Without limiting
the generality of the foregoing, the Company will provide the Employee with
basic health and medical benefits on the terms that such benefits are provided
to other executives of the Company with comparable responsibilities. The
Employee will also be entitled to holidays, sick leave and vacation in
accordance with the Company's policies as they may change from time to time, but
in no event shall the Employee be entitled to less than four (4) weeks paid
vacation per year.

         4. ADDITIONAL BENEFITS FOR EMPLOYEE. The Employee is a licensed
Certified Public Accountant. The Company acknowledges that it would be in the
best interest of the Company for the Employee to maintain such license. As
additional benefits to the Employee under this Agreement related to such
license, the Company agrees to either pay directly or reimburse the Employee
during the term of this Agreement for each of the following:

            (a) Continuing Professional Education (CPE). The Employee is
            required to earn an average of forty (40) hours of CPE credit each
            year. The Company will pay or reimburse the costs of such classes
            sufficient for Employee to maintain his license, but such payment
            shall be limited to the cost of such classes (i.e. tuition and
            books) and the direct costs associated with such classes, such as
            travel to and from and housing, including hotel and meals for the
            Employee only.

            (b) Dues and Licenses. The Company will pay or reimburse the
            Employee for all professional dues and licenses attributable to the
            Employee's license, including but not limited to the following:

                                       3
<PAGE>   4

                (1) Texas Society of CPAs;
                (2) American Institute of CPAs; and
                (3) Annual License Fees, Texas State Board of Accountancy.

         5. EXPENSES.

            (a) Reimbursement for Expenses. The Company will promptly reimburse
            the Employee, in accordance with the Company's policies and
            practices in effect from time to time, for all expenses reasonably
            incurred by the Employee in performance of the Employee's duties
            under this Agreement, including reimbursement for miles driven by
            the Employee in furtherance of the Company's business ("Business
            Mileage").

                (1) Reimbursement for Business Mileage shall be at the standard
                mileage rate allowed by the Internal Revenue Service ("IRS") for
                the taxable year and set forth in the appropriate IRS
                publication.

                (2) Business mileage does not include commuting from Employee's
                residence to the Company's headquarters.

                (3) Employee is responsible for proper substantiation and
                reporting of Business Mileage and/or actual expenses.

                (4) Employee acknowledges that the payment to him of a monthly
                vehicle allowance plus the standard mileage rate may result in
                taxable income if the business portion of actual automobile
                expenses is less than the total amount paid to employee under
                this subsection, or if employee does not maintain the records
                required by the Internal Revenue Code and the Regulations
                thereunder. Employee has been advised to consult a tax advisor
                to determine the taxability of payments under this subsection,
                and the record keeping requirements associated with the travel
                and expenses associated with such payments.

            (b) Expense Allowance. In addition to reimbursed expenses, Employee
            is entitled to $600.00 per month as a vehicle allowance.

            (c) Moving Allowance. Employee will be entitled to receive
            reimbursement for relocation from Denver, Colorado, to Lubbock,
            Texas. The company will handle the relocation through its relocation
            agent.

                                       4
<PAGE>   5

         6. TERMINATION. The Employee's employment by the Company: (a) shall
terminate upon the Employee's death or disability (as defined below); (b) may be
terminated by the Company for any reason other than cause or nonperformance at
any time; (c) may be terminated by the Company for cause (as defined below) at
any time; (d) may be terminated by the Employee, without cause at any time upon
forty-five (45) days' prior written notice delivered by the Employee to the
Company; (e) may be terminated by the Employee for cause (as defined below) at
any time upon forty-five (45) days' prior written notice delivered by the
Employee to the Company; and (f) may be terminated by the Company for
non-performance by the Employee at any time.

            (a) The term "disability" means the determination under the
            Company's Long-Term Disability Plan that the Employee is eligible to
            receive a disability benefit.

            (b) The term "cause" in the event of termination of this Agreement
            by the Company means (i) the Employee's willful and continued
            failure substantially to perform the Employee's duties with the
            Company, (ii) any material breach of this Agreement by Employee
            which is not cured within thirty (30) days after notice from the
            Company thereof, (iii) commission of any act of fraud, embezzlement
            or dishonesty by the Employee, (iv) any act or omission by Employee
            which constitutes a uncured default or breach of that certain Sprint
            PCS Management Agreement dated July 17, 1998 and as it may be
            amended from time to time or any other similar Sprint Management
            Agreement to which the Company or any of its affiliates or
            subsidiaries may be a party ("the Sprint Agreement"); (v) any act or
            omission by Employee which constitutes an uncured default or breach
            of that certain Nortel Networks Inc. Credit Agreement dated June 10,
            1999 (the "Nortel Loan Agreement") and as it may be amended from
            time to time, or any other loan, credit or debit agreement or
            arrangement that the Company or any subsidiary or affiliate may
            enter into from time to time; (vi) any act by Employee which
            constitutes a violation by the Company of any Securities & Exchange
            Commission rule or regulation which violation is not timely cured or
            which leads to a fine or other penalty against the Company; or (vii)
            any other intentional misconduct by the Employee adversely affecting
            the business or affairs of the Company in a material manner. The
            term "intentional misconduct by the Employee adversely affecting the
            business or affairs of the Company" shall mean such misconduct that
            is detrimental to the business or the reputation of the Company as
            it is perceived both by the general public and the
            telecommunications industry.

                                       5
<PAGE>   6

            (c) The term "cause" in the event of termination of this Agreement
            by the Employee means (i) a dispute between the Company and the
            Employee over accounting issues provided, however, any such dispute
            shall not constitute "cause" if the Company, at its own expense,
            elects to have a nationally recognized public accounting firm
            resolve the accounting issue dispute and such accounting firm agrees
            with the Company's position regarding such accounting issue; (ii)
            termination of employment by the Employee at any time more than six
            (6) months after the date of termination by the Company for any
            reason of the employment of David Sharbutt as Chief Executive
            Officer of the Company ("Sharbutt's Termination"), provided the
            Employee, within sixty (60) days of the date of Sharbutt's
            Termination, notifies the Company in writing of his intention to
            terminate employment under this provision and specifies in such
            notice his date of employment termination; (iii) the requirement by
            the Company of the relocation of the Employee from Lubbock, Texas;
            (iv) the change in job responsibilities of the Employee resulting in
            the demotion of the Employee from the position of SVP-CF, which
            demotion is caused by something other than would be cause for
            termination of this Agreement for cause by the Company and other
            than the non-performance of the Employee as defined later herein.

            (d) The term "non-performance by the Employee" in the event of
            termination of this Agreement by the Company means the determination
            by a super-majority (greater than 75%) of the members of the Board
            of Directors of the Company, in their sole and absolute discretion,
            that the Employee is not performing his duties under this Agreement.

         7. CONSEQUENCES OF TERMINATION.

            (a) CONSEQUENCES OF TERMINATION ON EMPLOYEE'S DEATH OR DISABILITY.
            If the Employee's employment is terminated because of the Employee's
            death or disability, (i) subject to Section (g) hereof, this
            Agreement terminates immediately, (ii) Employee or his legal
            representative or estate, as the case may be, shall be eligible to
            exercise any options granted and vested pursuant to Section 2(c)
            hereof at the time of such death or disability, plus, if such death
            or disability does not occur on [May 31] of a given year, a
            fractional portion of those options which would have vested and
            become exercisable pursuant to Section 2(c) hereof on the May 31
            immediately following such death or disability based on a fraction
            whose numerator is the number of months (including the month in
            which the date of death or disability occurs) since the previous
            [May 31] and whose denominator is twelve (12), in accordance with
            the provisions of Section 2(c) hereof, and the option agreement
            referred to

                                       6

<PAGE>   7

            therein, (iii) the Company will pay the Employee, or his legal
            representative or estate, as the case may be, in full satisfaction
            of all of its compensation (base salary and bonus) obligations under
            this Agreement, an amount equal to the sum of any base salary due to
            the Employee through the last day of employment, plus any accrued
            bonus to which the Employee may have been entitled on the last day
            of employment, but had not yet received, and (iv) the Employee's
            benefits and rights under any Benefit Plan shall be paid, retained
            or forfeited in accordance with the terms of such plan; provided,
            however, that Employer shall have no obligation to make any payments
            toward these benefits for Employee from and after termination.

            (b) CONSEQUENCES OF TERMINATION BY THE COMPANY FOR ANY REASON OTHER
                THAN FOR CAUSE OR FOR NON-PERFORMANCE OF EMPLOYEE

                (1) If the Employee's employment is terminated by the Company
                prior to May 31, 2005, for any reason other than for cause or
                non-performance of Employee, (i) subject to Section 7(g) hereof,
                this Agreement terminates immediately, (ii) Employee or his
                legal representative or estate, as the case may be, shall be
                eligible to exercise any options granted but not exercised
                pursuant to Section 2(c) hereof, which options shall be deemed
                vested as of the date of the Employee's termination of
                employment regardless of whether or not they are in fact
                otherwise vested pursuant to Section 2(c) hereof on said date,
                in accordance with the provisions of Section 2(c) and the option
                agreement referred to therein, (iii) the Company will pay the
                Employee, in full satisfaction of all of its compensation (base
                salary and bonus) obligations under this Agreement, an amount
                equal to the sum of any base salary due to the Employee through
                the last day of employment, plus any accrued bonus to which the
                Employee may have been entitled on the last day of employment,
                but had not yet received; (iv) the Company will pay the
                Employee, within sixty (60) days of such termination, a lump sum
                severance payment equal to one (1) year's base salary as in
                effect at the date of employment termination; and (v) the
                Employee's benefits and rights under any Benefit Plan, other
                than any basic health and medical benefit plan, shall be paid,
                retained or forfeited in accordance with the terms of such plan;
                provided, however, that Employer shall have no obligation to
                make any payments toward these benefits for Employee from and
                after termination.

                                       7
<PAGE>   8

                (2) Any payment pursuant to clause (b)(1)(iv) above (the
                "Termination Payment"):

                    a. will be subject to offset for any advances, amounts
                    receivable, and loans, including accrued interest,
                    outstanding on the date of the employment termination; and

                    b. will not be subject to offset on account of any
                    remuneration paid or payable to the Employee for any
                    subsequent employment the Employee may obtain, whether
                    during or after the period during which the Termination
                    Payment is made, and the Employee shall have no obligation
                    whatever to seek any subsequent employment.

            (c) CONSEQUENCES OF TERMINATION FOR CAUSE BY THE COMPANY. If the
            Employee's employment is terminated prior to May 31, 2005, by the
            Company for cause, (i) subject to Section 7(g) hereof, this
            Agreement terminates immediately, (ii) Employee shall not be
            eligible to exercise and shall forfeit any options granted and
            vested, pursuant to Section 2(c) hereof at the time of such
            employment termination that have not already been exercised by the
            Employee at the time of such employment termination, (iii) the
            Company will pay the Employee, in full satisfaction of all of its
            compensation (base salary and bonus) obligations under this
            Agreement, an amount equal to the sum of any base salary due to the
            Employee through the last day of employment, plus any accrued bonus
            to which the Employee may have been entitled on the last day of
            employment, but had not yet received, and(iv) the Employee's
            benefits and rights under any Benefit Plan shall be paid, retained
            or forfeited in accordance with the terms of such plan; provided,
            however, that Employer shall have no obligation to make any payments
            toward these benefits for Employee from and after termination.

            (d) CONSEQUENCES OF TERMINATION BY THE EMPLOYEE FOR ANY REASON OTHER
                THAN FOR CAUSE OR EMPLOYEE'S DEATH OR DISABILITY.

                (1) If, upon forty-five (45) days' prior written notice to the
                Company by the Employee, the Employee's employment is terminated
                by the Employee prior to May 31, 2005, for any reason other than
                for cause or Employee's death or disability, (i) subject to
                Section 7(g) hereof, this Agreement terminates immediately; (ii)
                Employee or his legal representative or estate, as the case may
                be, shall be eligible to exercise any options granted and
                vested, but not exercised pursuant to

                                       8

<PAGE>   9

                Section 2(c) hereof at the time of such employment termination,
                in accordance with the provisions of Section 2(c) and the option
                agreement referred to therein; (iii) the Company will pay the
                Employee, in full satisfaction of all of its compensation (base
                salary and bonus) obligations under this Agreement, an amount
                equal to the sum of any base salary due to the Employee through
                the last day of employment, plus any accrued bonus to which the
                Employee may have been entitled on the last day of employment,
                but had not yet received; and (iv) the Employee's benefits and
                rights under any Benefit Plan, other than any basic health and
                medical benefit plan, shall be retained or forfeited in
                accordance with the terms of such plan; provided, however, that
                Employer shall have no obligation to make any payments toward
                these benefits for Employee from and after termination.

            (e) CONSEQUENCES OF TERMINATION BY THE EMPLOYEE FOR CAUSE .

                (1) If, upon forty-five (45) days' prior written notice to the
                Company by the Employee, the Employee's employment is terminated
                by the Employee for cause prior to May 31, 2005, (i) subject to
                Section 7(g) hereof, this Agreement terminates immediately, (ii)
                Employee or his legal representative or estate, as the case may
                be, shall be eligible to exercise any options granted and vested
                pursuant to Section 2(c) hereof at the time of such employment
                termination, plus, if such employment termination does not occur
                on May 31 of a given year, a fractional portion of those options
                which would have vested and become exercisable pursuant to
                Section 2(c) hereof on the May 31 immediately following such
                employment termination based on a fraction whose numerator is
                the number of months (including the month in which the date of
                employment termination occurs) since the previous May 31 and
                whose denominator is twelve (12), in accordance with the
                provisions of Section 2(c) and the option agreement referred to
                therein; (iii) the Company will pay the Employee, in full
                satisfaction of all of its compensation (base salary and bonus)
                obligations under this Agreement, an amount equal to the sum of
                any base salary due to the Employee through the last day of
                employment, plus any accrued bonus to which the Employee may
                have been entitled on the last day of employment, but had not
                yet received; (iv) the Company will pay the Employee, within
                sixty (60) days of such termination, a lump sum severance
                payment equal to one (1) year's base salary as in effect at the
                date of employment termination or the unpaid balance of

                                       9

<PAGE>   10

                the annual base salary which would have been payable to Employee
                through May 31. 2005, whichever amount shall be less; and (v)
                the Employee's benefits and rights under any Benefit Plan, other
                than any basic health and medical benefit plan, shall be paid,
                retained or forfeited in accordance with the terms of such plan;
                provided, however, that Employer shall have no obligation to
                make any payments toward these benefits for Employee from and
                after termination.

                (2) Any payment pursuant to clause (e)(1)(iv) above (the
                "Termination Payment"):

                    a. will be subject to offset for any advances, amounts
                    receivable, and loans, including accrued interest,
                    outstanding on the date of the employment termination; and

                    b. will not be subject to offset on account of any
                    remuneration paid or payable to the Employee for any
                    subsequent employment the Employee may obtain, whether
                    during or after the period during which the Termination
                    Payment is made, and the Employee shall have no obligation
                    whatever to seek any subsequent employment.

            (f) CONSEQUENCES OF TERMINATION BY THE COMPANY FOR NON-PERFORMANCE
                BY THE EMPLOYEE.

                (1) If the Employee's employment is terminated by the Company
                for non-performance by the Employee prior to May 31, 2005, (i)
                subject to Section 7(g) hereof, this Agreement terminates
                immediately; (ii) Employee or his legal representative or
                estate, as the case may be, shall be eligible to exercise any
                options granted and vested but not exercised pursuant to Section
                2(c) hereof at the time of such employment termination, in
                accordance with the provisions of Section 2(c) hereof and the
                option agreement referred to therein; (iii) the Company will pay
                the Employee, in full satisfaction of all of its compensation
                (base salary and bonus) obligations under this Agreement, an
                amount equal to the sum of any base salary due to the Employee
                through the last day of employment, plus any accrued bonus to
                which the Employee may have been entitled on the last day of
                employment, but had not yet received; (iv) the Company will pay
                the Employee, within sixty (60) days of such termination, a lump
                sum severance payment

                                       10

<PAGE>   11

                equal to one (1) year's base salary as in effect at the date of
                employment termination or the unpaid balance of the annual base
                salary which would have been payable to Employee through May 31,
                2005, whichever amount shall be less; and (v) the Employee's
                benefits and rights under any Benefit Plan, other than any basic
                health and medical benefit plan, shall be paid, retained or
                forfeited in accordance with the terms of such plan; provided,
                however, that Employer shall have no obligation to make any
                payments toward these benefits for Employee from and after
                termination.

                (2) Any payment pursuant to clause (f)(1)(iv) above (the
                "Termination Payment"):

                    a. will be subject to offset for any advances, amounts
                    receivable, and loans, including accrued interest
                    outstanding on the date of the employment termination; and

                    b. will not be subject to offset on account of any
                    remuneration paid or payable to the Employee for any
                    subsequent employment the Employee may obtain, whether
                    during or after the period during which the Termination
                    Payment is made, and the Employee shall have no obligation
                    whatever to seek any subsequent employment.

            (g) PRESERVATION OF CERTAIN PROVISIONS. Notwithstanding
                any provisions of this Agreement to the contrary, the provisions
                of Sections 8 through 13 hereof shall survive the expiration or
                termination of this Agreement as necessary to give full effect
                to all of the provisions of this Agreement.

         8. NON-COMPETITION BY EMPLOYEE. During the term of this Agreement, the
Employee shall not, directly or indirectly, either as an Employee, Employer,
Consultant, Agent, Principal, Partner, Corporate Officer, Director, Shareholder,
Member, Investor or in any other individual or representative capacity, engage
or participate in any business that is in competition in any manner whatever
with the business of the Company. For these purposes, the business of the
Company is establishing and providing mobile wireless communications services
(the "Business"), including all aspects of the Business within the Service Area
as that term is defined in the Schedule of Definitions referred to in and
incorporated by reference into the Sprint Agreement. Furthermore, upon the
expiration of this Agreement or the termination of this Agreement prior to May
31, 2005, for any reason, the Employee expressly agrees not to

                                       11

<PAGE>   12

engage or participate, directly or indirectly, either as an Employee, Employer,
Consultant, Agent, Principal, Partner, Stockholder, Corporate Officer, Director,
Shareholder, Member, Investor or in any other individual or representative
capacity, for a period of two (2) years in any business that is in competition
with the Business and that is located within and/or doing business within the
Service Area as defined above as in existence during the term of the Employee's
employment with the Company. The parties agree that the Company has a legitimate
interest in protecting the Business and goodwill of the Company that has
developed in the areas of the Company's Business and in the geographical areas
of this Covenant Not To Compete as a result of the operations of the Company.
The parties agree that the Company is entitled to protection of its interests in
these areas. The parties further agree that the limitations as to time,
geographical area, and scope of activity to be restrained do not impose a
greater restraint upon Employee than is necessary to protect the goodwill or
other business interest of the Company. The parties further agree that in the
event of a violation of this Covenant Not To Compete, that the Company shall be
entitled to the recovery of damages from Employee and/or an injunction against
Employee for the breach or violation or continued breach or violation of this
Covenant. The Employee agrees that if a court of competent jurisdiction
determines that the length of time or any other restriction, or portion thereof,
set forth in this Section 7 is overly restrictive and unenforceable, the court
may reduce or modify such restrictions to those which it deems reasonable and
enforceable under the circumstances, and as so reduced or modified, the parties
hereto agree that the restrictions of this Section 7 shall remain in full force
and effect. The Employee further agrees that if a court of competent
jurisdiction determines that any provision of this Section 7 is invalid or
against public policy, the remaining provisions of this Section 7 and the
remainder of this Agreement shall not be affected thereby, and shall remain in
full force and effect.

         9. EXCEPTIONS TO NON-COMPETITION COVENANTS. Notwithstanding anything
herein to the contrary or apparently to the contrary, the following shall not be
a violation or breach of the non-competition covenants contained in this
Agreement. Employee may invest in the securities of any enterprise (but without
otherwise participating in the activities of such enterprise) if (a) such
securities are listed on any national or regional securities exchange or have
been registered under Section 12(g) of the Securities Exchange Act of 1934 and
(b) the Employee does not beneficially own (as defined Rule 13d-3 promulgated
under the Securities Exchange Act of 1934) in excess of 5% of the outstanding
capital stock of such enterprise. Employee's investment in any company or entity
in which Employer is an owner or stockholder at the time of entering into this
Agreement shall also be an exception to the non-competition covenants. The names
of these companies or entities are shown on the attached Exhibit B, which is
incorporated herein by this reference as if copied at length. Notwithstanding
the foregoing, the Employee's relationship with other entities or business
interests of Employee shall in no way interfere with or detract from the duties
of the Employee to the Company as called for in this Agreement.

                                       12

<PAGE>   13

         10. CONFIDENTIAL INFORMATION. The Employee recognizes and acknowledges
that he will have access to certain information of members of the Company Group
(as defined below) and that such information is confidential and constitutes
valuable, special and unique property of such members of the Company Group. The
parties agree that the Company has a legitimate interest in protecting the
Confidential Information, as defined below. The parties agree that the Company
is entitled to protection of its interests in the Confidential Information. The
Employee shall not at any time, either during or subsequent to the term of this
Agreement, disclose to others, use, copy or permit to be copied, except in
pursuance of his duties on behalf of the Company, it successors, assigns or
nominees, any Confidential Information of any member of the Company Group
(regardless of whether developed by the Employee) without the prior written
consent of the Company. Employee acknowledges that the use or disclosure of the
Confidential Information to anyone or any third party could cause monetary loss
and damages to the Company. The parties further agree that in the event of a
violation of this covenant against non-use and non-disclosure of Confidential
Information, that the Company shall be entitled to a recovery of damages from
Employee and/or an injunction against Employee for the breach or violation or
continued breach or violation of this covenant.

         As used herein, "Company Group" means the Company, and any entity that
directly or indirectly controls, is controlled by, or is under common control
with, the Company, and for purposes of this definition "control" means the
possession, directly or indirectly, of the power to direct or cause the
direction of the management and policies of such entity, whether through the
ownership of voting securities, by contract or otherwise.

         The term "Confidential Information" with respect to any person means
any secret or confidential information or know-how and shall include, but shall
not be limited to, the plans, financial and operating information, customers,
supplier arrangements, contracts, costs, prices, uses, and applications of
products and services, results of investigations, studies or experiments owned
or used by such person, and all apparatus, products, processes, compositions,
samples, formulas, computer programs, computer hardware designs, computer
firmware designs, and servicing, marketing or manufacturing methods and
techniques at any time used, developed, investigated, made or sold by such
person, before or during the term of this Agreement, that are not readily
available to the public or that are maintained as confidential by such person.
The Employee shall maintain in confidence any Confidential Information of third
parties received as a result of his employment with the Company in accordance
with the Company's obligations to such third parties and the policies
established by the Company.

         11. DELIVERY OF DOCUMENTS UPON TERMINATION. The Employee shall deliver
to the Company or its designee at the termination of his employment all
correspondence, memoranda, notes, records, drawings, sketches, plans, customer
lists, product compositions, and other documents and all copies thereof, made,
composed or received by the Employee, solely or jointly with others, that are in
the Employee's possession, custody, or control at termination

                                       13

<PAGE>   14

and that are related in any manner to the past, present, or anticipated business
or any member of the Company Group. In this regard, the Employee hereby grants
and conveys to the Company all right, title and interest in and to, including
without limitation, the right to possess, print, copy, and sell or otherwise
dispose of, any reports, records, papers, summaries, photographs, drawings or
other documents, and writings, and copies, abstracts or summaries thereof, that
may be prepared by the Employee or under his direction or that may come into his
possession in any way during the term of his employment with the Company that
relate in any manner to the past, present or anticipated business of any member
of the Company Group.

         12. DISPUTES. The Company and Employee agree to the following in regard
to any disputes between them arising under any of the provisions of this
Agreement other than the provisions of Sections 7 through 10 hereof. Nothing in
this Section 12 applies to or governs disputes arising under Sections 7 through
10 of this Agreement.

            (a) MEDIATION. The Company and Employee agree to mediate any dispute
            arising under the applicable provisions of this Agreement. In the
            event of any such dispute, the parties, within thirty (30) days of a
            written request for mediation, shall attend, in good faith, a
            mediation in order to make a good faith reasonable effort to resolve
            such dispute arising under this Agreement. The parties shall
            attempt, in good faith, to agree to a mediator. If unable to so
            agree, the parties, in that event, will move to arbitration as
            provided in this Agreement and there will be no mediation. If this
            good faith mediation effort fails to resolve any dispute arising
            under this Agreement, the Company and Employee agree to arbitrate
            any dispute arising under this Agreement. This arbitration shall
            occur only after the mediation process described herein.

            (b) ARBITRATION. The Company and Employee agree, as concluded by the
            parties to this Agreement on the advice of their counsel, and as
            evidenced by the signatures of the parties and of their respective
            attorneys, that all questions as to rights and obligations arising
            under the terms of this Agreement are subject to arbitration and
            such arbitration shall be governed by the provisions of the Texas
            General Arbitration Act (Texas Civil Practice and Remedies Code ss.
            171.001 et seq as it may be amended from time to time).

            (c) DEMAND FOR ARBITRATION. If a dispute should arise under this
            Agreement, either party may within thirty (30) days make a demand
            for arbitration by filing a demand in writing with the other.

            (d) APPOINTMENT OF ARBITRATORS. The parties to this Agreement may
            agree on one arbitrator, but in the event that they cannot so agree,
            there shall be three arbitrators, one named in writing by each of
            the parties within thirty

                                       14

<PAGE>   15

            (30) days after demand for arbitration is made, and a third to be
            chosen by the two so named. The arbitrators among themselves shall
            appoint a presiding arbitrator. Should either party fail to timely
            join in the appointment of the arbitrators, the arbitrators shall be
            appointed in accordance with the provisions of Texas Civil Practice
            and Remedies Code ss. 171.041.

            (e) HEARING. All arbitration hearings conducted under the terms of
            this Agreement, and all judicial proceedings to enforce any of the
            provisions of this Agreement, shall take place in Lubbock County,
            Texas. The hearing before the arbitrators of the matter to be
            arbitrated shall be at the time and place within that County
            selected by the arbitrators or if deemed by the arbitrators to be
            more convenient for the parties or more economically feasible, may
            be conducted in any city within the Service Area as referred to in
            Section 7 hereof or within the State of Texas.

            (f) ARBITRATION AWARD. If there is only one arbitrator, his or her
            decision shall be binding and conclusive. The submission of a
            dispute to the arbitrators and the rendering of their decision shall
            be a condition precedent to any right of legal action on the
            dispute. A judgment confirming the award of the arbitrators may be
            rendered by any court having jurisdiction; or the court may vacate,
            modify, or correct the award in accordance with the provisions of
            the Texas General Arbitration Act (Texas Civil Practice and Remedies
            Code ss. 171.087 et seq as it may be amended from time to time).

            (g) COSTS OF ARBITRATION. The costs and expenses of arbitration,
            including the fees of the arbitrators but excluding any attorneys'
            fees, shall be advanced by the Company, but will ultimately be borne
            by the losing party or in such proportions as the arbitrators shall
            determine.

            (h) CONDUCT OF ARBITRATION. Any arbitration brought under the terms
            of this Agreement shall be conducted in the following manner:

                (1) Time Limitations. The parties agree that the following time
                limitations shall govern the arbitration proceedings conducted
                under the terms of this Agreement:

                    (a) Any demand for arbitration must be filed within thirty
                    (30) days of the date the mediation is deemed unsuccessful,
                    or thirty (30) days after the date of the written request
                    for mediation, whichever is later.

                                       15
<PAGE>   16

                    (b) Each party must select an arbitrator within thirty (30)
                    days of receipt of notice that an arbitration proceeding has
                    commenced. In the event that no such selection is made, the
                    arbitrator selected by the other party may conduct the
                    arbitration proceeding without selecting any other
                    arbitrator.

                    (c) The hearing must be held within sixty (60) days of the
                    date on which the third arbitrator is selected.

                    (d) Hearing briefs must be submitted no later than ten (10)
                    days after the hearing.

                    (e) The arbitration award must be made within thirty (30)
                    days of the receipt of hearing briefs.

                (2) Discovery in Arbitration Proceedings. The parties agree that
                discovery may be conducted in the course of the arbitration
                proceeding in accordance with the following provisions:

                    (a) Each party may notice no more than three (3) depositions
                    in total, including both witnesses adherent to the adverse
                    party and third-party witnesses.

                    (b) Each party may serve no more than twenty-five (25)
                    requests for admission on the other party. No requests may
                    be served within ten (10) days of the date of hearing,
                    unless the parties otherwise stipulate. All requests for
                    admission shall be responded to within ten (10) days of
                    service of the requests, unless the parties otherwise
                    stipulate.

                    (c) Each party may serve no more than fifty (50)
                    interrogatories on the other party. No interrogatory shall
                    contain subparts, or concern more than one topic or subject
                    of inquiry. Interrogatories may not be phrased so as to
                    circumvent the effect of this clause. No interrogatories may
                    be served within ten (10) days of the date of hearing,
                    unless the parties otherwise stipulate. All interrogatories
                    shall be responded to within ten (10) days of service of the
                    interrogatories, unless the parties otherwise stipulate.

                                       16

<PAGE>   17

                    (d) Each party may serve no more than ten (10) requests for
                    production of documents on the other party. No request for
                    production of documents shall contain subparts, or seek more
                    than one type of document. Requests for production of
                    documents may not be phrased so as to circumvent the effect
                    of this clause. Unless the parties otherwise stipulate,
                    requests for production of documents may not be served
                    within ten (10) day of the date of hearing, and all requests
                    for production of documents shall be responded to within ten
                    (10) days of service of the requests.

                    (e) If any party contends that the other party has served
                    discovery requests in a manner not permitted by this
                    Section, or that the other party's response to a discovery
                    request is unsatisfactory, the party may request the
                    presiding arbitrator to resolve such discovery disputes. The
                    presiding arbitrator shall prescribe the procedure by which
                    such disputes are resolved. Any discovery dispute may be
                    handled by telephone conference among the parties and the
                    presiding arbitrator.

         13. SUCCESSORS; BINDING AGREEMENT; ASSIGNMENT. The Company shall
require any successor (whether direct or indirect, by purchase, merger,
consolidation or otherwise) to all or substantially all of the business or
assets of the Company to expressly assume and agree in writing to perform this
Agreement in the same manner and to the same extent that the Company would be
required to perform it if no such succession had taken place, provided that the
Employee must be given the position as the Senior Vice President-Corporate
Finance ("SVP-CF") with the same authority, powers and responsibilities set
forth in Section 1 hereof with respect to the subsidiary or subdivision which
operates the business of the Company as it exists on the date of such business
combination. Failure of the Company to obtain such express assumption and
agreement at or prior to the effectiveness of any such succession shall be a
breach of this Agreement and shall entitle the Employee to compensation and
benefits from the Company in the same amount and on the same terms to which the
Employee would be entitled hereunder if the Company terminated the Employee's
employment without Cause, except that all options will be immediately vested.
For purposes of implementing the foregoing, the date on which any such
succession becomes effective shall be deemed the date of termination. As used in
this Agreement, "Company" shall mean the Company as hereinbefore defined and any
successor to its business or assets as aforesaid which assumes and agrees to
perform this Agreement by operation of law, or otherwise. The Company may not
assign this Agreement, (i) except in connection with, and to the acquiror of,
all or substantially all of the business or assets of the Company, provided such
acquiror expressly assumes and agrees in writing to

                                       17

<PAGE>   18

perform this Agreement as provided in this Section, and (ii) except in
connection with the Company becoming a wholly-owned subsidiary of Holdings, in
which event the Company may assign this Agreement and all of the Company's
rights and obligations hereunder to Holdings. The Employee may not assign his
rights or delegate his duties or obligations under this Agreement.

         14. NOTICE. Any notices or other communications required or permitted
to be given hereunder shall be in writing and shall be deemed to have been duly
made or given when hand delivered, one (1) business day after being transmitted
by telecopier (confirmed by mail) or sent by overnight courier against receipt,
or five (5) days after being mailed by registered or certified mail, postage
prepaid, return receipt requested, to the party to whom such communication is
given at the address set forth below, which address may be changed by notice
given in accordance with this Section:

         If to the Company:          TEXAS TELECOMMUNICATIONS, LP
                                     4403 Brownfield Highway
                                     Lubbock, Texas  79407
                                     Attn:_____________________________

         With Copy to:               Jack McCutchin, Jr.
                                     Crenshaw, Dupree & Milam, L.L.P.
                                     P. O. Box 1499
                                     Lubbock, Texas 79408-1499

         If to the Employee:         Loyd Rinehart
                                     8321 4th Street
                                     Lubbock, Texas  79416

         With Copy to:               ___________________________

                                     ___________________________

                                     ___________________________

         15. MISCELLANEOUS.

             (a) SEVERABILITY. If any provision of this Agreement shall be
             declared to be invalid or unenforceable, in whole or in part, such
             invalidity or unenforceability shall not affect the remaining
             provisions hereof which shall remain in full force and effect.

             (b) NO ORAL MODIFICATION, WAIVER OR DISCHARGE. No provisions of
             this Agreement may be modified, waived or discharged orally, but
             only by a

                                       18

<PAGE>   19

             waiver, modification or discharge in writing signed by the Employee
             and such officer as may be designated by the Board of Managers of
             the Company to execute such a waiver, modification or discharge. No
             waiver by either party hereto at any time of any breach by the
             other party hereto of, or failure to be in compliance with, any
             condition or provision of this Agreement to be performed by such
             other party shall be deemed a waiver of similar or dissimilar
             provisions or conditions at the time or at any prior or subsequent
             time. No agreements or representations, oral or otherwise, express
             or implied, with respect to the subject matter hereof have been
             made by either party which are not expressly set forth in this
             Agreement or in the documents attached as Exhibits to this
             Agreement.

             (c) INVALID PROVISIONS. Should any portion of this Agreement be
             adjudged or held to be invalid, unenforceable or void, such holding
             shall not have the effect of invalidating or voiding the remainder
             of this Agreement and the parties hereby agree that the portion so
             held invalid, unenforceable or void shall, if possible, be deemed
             amended or reduced in scope, or otherwise be stricken from this
             Agreement to the extent required for the purposes of validity and
             enforcement thereof.

             (d) ENTIRE AGREEMENT. This Agreement and the Exhibits attached
             hereto represent the entire agreement of the parties and shall
             supersede any and all previous contracts, arrangements or
             understandings, express or implied, between the Employee and the
             Company with respect to the subject matter hereof.

             (e) SECTION HEADINGS FOR CONVENIENCE ONLY. The section headings
             herein are for the purpose of convenience only and are not intended
             to define or limit the contents of any section.

             (f) EXECUTION IN COUNTERPARTS. The parties may sign this Agreement
             in counterparts, all of which shall be considered one and the same
             instrument.

             (g) GOVERNING LAW AND PERFORMANCE. This Agreement shall be governed
             by the laws of the State of Texas and shall be deemed to be
             executed in and performance called for in Lubbock, Lubbock County,
             Texas, or at the Company's sole option, by the laws of the state or
             states where this Agreement may be at issue in any litigation
             involving the Company.

         DATED this 5th day of June, 2000, to be effective June 1, 2000.

                                       19

<PAGE>   20

                         COMPANY

                         TEXAS TELECOMMUNICATIONS, LP

                         By /s/ David Sharbutt
                         --------------------------------
                         Name: David Sharbutt
                         Title: Chief Executive Officer

                         EMPLOYEE

                         /s/ Loyd Rinehart
                         ---------------------------------
                         LOYD RINEHART

                                       20
<PAGE>   21

                                    EXHIBIT A
                           ALAMOSA PCS HOLDINGS, INC.
                                 3Q00 OBJECTIVES

                                 MINIMUM           EXPECTED          EXCEPTIONAL
                                 -------           --------          -----------
MARKET LAUNCH

Flagstaff                        Mar 01            Aug 00            June 00
Prescott                         Mar 01            Aug 00            June 00
Grand Junction                   Sept 00           Sept 00           July 00
Pueblo                           Sept 00           Sept 00           July 00
Appleton                         Nov 00            Nov 00            Sept 00
Fond du Lac                      Nov 00            Nov 00            Sept 00
GreenBay                         Nov 00            Nov 00            Sept 00
Manitowoc                        Nov 00            Nov 00            Sept 00
Oshkosh                          Nov 00            Nov 00            Sept 00
Sheboygon                        Nov 00            Nov 00            Sept 00

SUBSCRIBERS
Gross Additions                  25,840            28,711            31,582
Net Additions                    19,574            21,749            23,924

CAPITAL EXPENDITURES                $224,618,000

ARPU                             $51.68            $54.40            $57.12

EBITDA                         ($14,502,277)   ($13,188,888)  ($11,865,499)

                                       21
<PAGE>   22

                                    EXHIBIT A
                           ALAMOSA PCS HOLDINGS, INC.
                                 4Q00 OBJECTIVES

                                 MINIMUM           EXPECTED          EXCEPTIONAL
MARKET LAUNCH
Flagstaff                        Mar 01            Aug 00            June 00
Prescott                         Mar 01            Aug 00            June 00
Grand Junction                   Sept 00           Sept 00           July 00
Pueblo                           Sept 00           Sept 00           July 00
Appleton                         Nov 00            Nov 00            Sept 00
Fond du Lac                      Nov 00            Nov 00            Sept 00
GreenBay                         Nov 00            Nov 00            Sept 00
Manitowoc                        Nov 00            Nov 00            Sept 00
Oshkosh                          Nov 00            Nov 00            Sept 00
Sheboygon                        Nov 00            Nov 00            Sept 00

SUBSCRIBERS
Gross Additions                  39,250            43,611            47,972
Net Additions                    30,861            34,290            37,719

CAPITAL EXPENDITURES                 $237,406,000

ARPU                             $51.61            $54.33            $57.05

EBITDA                        ($16,103,659)    ($14,639,690)   ($13,175,721)

                                       22

<PAGE>   23

                                    EXHIBIT B

             LIST OF COMPANIES OR ENTITIES EXCEPTED FROM COVENANTS

First Hale Center, Inc.
First National Bank West Texas
ShaCo Xpress, Inc.
Robert Heath Trucking, Inc.
K. Cowan, Inc.
Affordable Residential Communities, LLC

Included in the foregoing will be any successor companies or entities of any of
the above-named companies or entities.

                                       23

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