Document:

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Exhibit 10.4

                                  AT&T WIRELESS
                          SENIOR OFFICER SEVERANCE PLAN

                             EFFECTIVE JULY 16, 2002

                                    ARTICLE I
                                  INTRODUCTION

        The Board recognizes that, from time to time, the Company may explore
potential transactions that could result in a Change in Control. This
possibility and the uncertainty it creates may result in the loss or distraction
of senior officers of the Company to the detriment of the Company and its
stockholders.

        The Board considers the avoidance of such loss and distraction to be
essential to protecting and enhancing the best interests of the Company and its
shareholders. The Board also believes that when a Change in Control is perceived
as imminent, or is occurring, the Board should be able to receive and rely on
disinterested service from its senior officers regarding the best interests of
the Company and its shareholders without concern that such officers might be
distracted or concerned by the personal uncertainties and risk created by the
perception of an imminent or occurring Change in Control.

        In addition, the Board believes that it is consistent with the Company's
employment practices and policies and in the best interests of the Company and
its stockholders to treat fairly its senior officers whose positions are
eliminated in connection with or as a result of a Reduction in Force or Other
Restructuring.

        Accordingly, the Board has determined that appropriate steps should be
taken to assure the Company of the continued employment and attention and
dedication to duty of its senior officers and to seek to ensure the availability
of their continued service, notwithstanding the possibility or occurrence of a
Change in Control, or a Reduction in Force or Other Restructuring.

        This Plan is intended to accomplish these objectives.

                                   ARTICLE II
                                   DEFINITIONS

        When used in this Plan, the terms specified below have the following
meanings:

        2.1 Accrued Benefits. Base Salary, Equity Compensation and other cash or
non-cash benefits previously earned, vested, or accrued prior to a Participant's
Separation Date, as well as reimbursement for reasonable and necessary business
expenses incurred by a Participant through the Separation Date and in accordance
with the Company's applicable expense reimbursement policies.

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        2.2 Base Salary. The annualized amount a Participant is entitled to
receive as wages or salary on the date the termination notice is provided, or
should have been provided, excluding all bonus, overtime, incentive, health and
other additive compensation, and amounts designated by the Company as payment
toward reimbursement of expenses, regardless of whether any such amounts are
deferred.

        2.3 Board. The Compensation Committee of the Company's Board of
Directors, or such Committee's designee.

        2.4 Cause. The occurrence of the first of the following to occur after
the Effective Date of this Plan:

            (a) A Participant's conviction (including a plea of guilty or nolo
contendere) of a felony involving theft or moral turpitude or relating to the
business of the Company, other than a felony predicated on the Participant's
vicarious liability.

            (b) A Participant's willful and continued failure to perform
substantially the Participant's duties with the Company (other than any such
failure resulting from incapacity due to mental or physical illness or injury).

            (c) A Participant's illegal conduct or gross misconduct that is
materially and demonstrably injurious to the Company.

            (d) Any conduct that would constitute a material violation of the
standards set forth in this Plan, including, without limitation, the standards
of Section 9.3.

        2.5 Change in Control. The occurrence of any of the following events:

            (a) An acquisition by an individual, entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934,
as amended ("Exchange Act")) (an Entity) of beneficial ownership (within the
meaning of Rule 13d-3 promulgated under the Exchange Act) of 25% or more of
either the then outstanding shares ("Outstanding Company Common Stock"), or the
combined voting power of the then outstanding voting securities of the Company
entitled to vote generally in the election of directors ("Outstanding Company
Voting Securities"), excluding, however, the following: (i) any acquisition
directly from the Company other than an acquisition by virtue of the exercise of
a conversion privilege unless the security being so converted was itself
acquired directly from the Company, (ii) any acquisition by the Company, (iii)
any acquisition by any employee benefit plan (or related trust) sponsored or
maintained by the Company or any corporation controlled by the Company, or (iv)
any acquisition by any corporation pursuant to a transaction that complies with
clauses (i) and (ii) of Section 2.5(c);

            (b) A change in the composition of the Board as constituted
immediately following the date the common stock is distributed to the
stockholders of

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AT&T Corp. pursuant to that Separation and Distribution Agreement dated as of
June 4, 2001 between the Company and AT&T Corp. ("Post-Distribution Board Date")
such that the individuals who, as of the Post-Distribution Board Date,
constitute the Board ("Incumbent Board") cease for any reason to constitute at
least a majority of the Board; provided, however, that for purposes of this
definition, any individual who becomes a member of the Board subsequent to the
Post-Distribution Board Date, whose election, or nomination for election, by the
Company's stockholders was approved by a vote of at least a majority of those
individuals who are members of the Board and who were also members of the
Incumbent Board (or deemed to be such pursuant to this proviso) will be
considered as though such individual were a member of the Incumbent Board; and
provided further, however, that any such individual whose initial assumption of
office occurs as a result of or in connection with either an actual or
threatened solicitation with respect to the election of directors (as such terms
are used in Rule 14a-12(c) of Regulation 14A promulgated under the Exchange Act)
or other actual or threatened solicitation of proxies or consents by or on
behalf of an Entity other than the Board will not be so considered as a member
of the Incumbent Board;

            (c) The consummation of a merger, reorganization or consolidation or
sale or other disposition of all or substantially all of the assets of the
Company (each, a "Corporate Transaction"), excluding, however, any Corporate
Transaction pursuant to which (i) all or substantially all of the individuals
and entities who are the beneficial owners, respectively, of the Outstanding
Company Common Stock and the Outstanding Company Voting Securities immediately
prior to such Corporate Transaction will beneficially own, directly or
indirectly, more than 60% of, respectively, the outstanding shares of common
stock, and the combined voting power of the then outstanding voting securities
entitled to vote generally in the election of directors, as the case may be, of
the corporation resulting from such Corporate Transaction (including, without
limitation, a corporation or other person that as a result of such transaction
owns the Company or all or substantially all of the Company's assets either
directly or through one or more subsidiaries ("Parent Company")) in
substantially the same proportions as their ownership, immediately prior to such
Corporate Transaction, of the Outstanding Company Common Stock and the
Outstanding Company voting Securities, as the case may be, and (ii) individuals
who were members of the Incumbent Board will immediately after the consummation
of the Corporate Transaction constitute at least a majority of the members of
the board of directors of the corporation resulting from such Corporate
Transaction (or, if reference was made to equity ownership of any Parent Company
for purposes of determining whether clause (i) above is satisfied in connection
with the applicable Corporate Transaction, of the Parent Company); or

            (d) The approval by the stockholders of the Company of a complete
liquidation or dissolution of the Company.

        2.6 Code. The Internal Revenue Code of 1986, as amended.

        2.7 Company. AT&T Wireless Services, Inc. and any successor thereto.

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        2.8 Disability. A Participant's inability to perform his or her duties
for a period or periods aggregating 90 calendar days in any 12-month period as a
result of a physical or mental incapability or illness, loss of legal capacity
or any other cause beyond his or her control. The Board will make all
determinations of Disability status in its sole discretion.

        2.9 Effective Date. July 16, 2002.

        2.10 Employee. A regular employee of the Company in an approved
headcount position, who is paid from the payroll department of the Company and
the Company withholds U.S. employment taxes (e.g., income tax, FICA) from the
employee's pay.

        2.11 Employee Benefits. Benefits provided to all senior officers in
similarly situated positions to a Participant under the Company's pension
(qualified and nonqualified), welfare and fringe benefits plans, programs,
policies and agreements.

        2.12 Equity Compensation. Stock options, restricted stock units,
restricted stock, performance shares and other equity incentive awards.

        2.13 ERISA. Employee Retirement Income Security Act of 1974, as amended.

        2.14 Good Reason. The occurrence of any of the following events without
a Participant's prior written consent, which are not cured by the Company within
20 calendar days of written notice from the Participant and that result in the
Participant's termination of employment within 90 calendar days of such event:

            (a) Reduction in Base Salary or Target Bonus. A reduction of at
least 5% in a Participant's Base Salary or Target Annual Incentive below the
Required Compensation following a Change in Control or Reduction in Force or
Other Restructuring; provided, however, that this paragraph shall not apply in
the case of a Reduction in Force or Other Restructuring in which substantially
all Participants are subject to substantially similar reductions;

            (b) Reduction in Equity Compensation. An aggregate reduction of at
least 5% in the targeted value (based on the Company's standard valuation
methodology then in use) of a Participant's Equity Compensation below the
Required Compensation following a Change in Control or Reduction in Force or
Other Restructuring; provided, however, that this paragraph shall not apply in
the case of a Reduction in Force or Other Restructuring in which substantially
all Participants are subject to substantially similar reductions;

            (c) Discontinuance of Benefits. A discontinuance of Employee
Benefits following a Change in Control or Reduction in Force or Other
Restructuring that, in the aggregate, reduces the actuarial equivalent value of
Employee Benefits available to the Participant prior to the Change in Control or
Reduction in Force or Other

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Restructuring by at least 5%, disregarding for purposes of such calculation any
across-the-board changes to Employee Benefits affecting substantially all
Participants;

            (d) Relocation. Following a Change in Control or Reduction in Force
or Other Restructuring, a Participant is transferred to another work location
that adds more than 50 highway miles to his or her current daily round-trip
commute; or

            (e) Demotion. A substantial and adverse change in, or a substantial
reduction of, a Participant's duties and responsibilities or a substantial
diminution of the Participant's authority following a Change in Control or
Reduction in Force or Other Restructuring in comparison to the duties and
responsibilities or authority of the Participant immediately prior to the Change
in Control or Reduction in Force or Other Restructuring (excluding (i) a change
in the title or reporting relationship of the Participant, (ii) a change in
duties or responsibilities or a diminution of authority that is the result of
the Participant ceasing to be an employee of a publicly traded entity or the
Participant becoming an employee of a wholly owned subsidiary, and (iii)
isolated or inadvertent action with respect to the Participant that is remedied
by the Company promptly after receipt of notice thereof given by the
Participant).

        2.15 Multiple. For Tier I Participants, 36. For Tier II Participants, 24
for a Termination After a Reduction in Force or Other Restructuring, and 36 for
a Termination After a Change in Control or a Successor's Failure to Assume This
Plan After a Change in Control. For Tier III Participants, 24 for a Termination
After a Reduction in Force or Other Restructuring, and 30 for a Termination
After a Change in Control or a Successor's Failure to Assume This Plan After a
Change in Control. For Tier IV Participants, 12 for a Termination After a
Reduction in Force or Other Restructuring, and 15 for a Termination After a
Change in Control or a Successor's Failure to Assume This Plan After a Change in
Control.

        2.16 Participant. As defined in Article V.

        2.17 Payment. Any payment or distribution in the nature of compensation
to or for the benefit of a Participant that is contingent on a Change in
Control, whether paid or payable pursuant to this Plan or otherwise.

        2.18 Plan. This Senior Officer Severance Plan.

        2.19 Plan Administrator. The Plan Administrator shall be the Board, or
its designee.

        2.20 Qualifying Event. A Termination After a Change in Control, a
Termination After a Reduction in Force or Other Restructuring or a Successor's
Failure to Assume This Plan After a Change in Control.

        2.21 Reduction in Force or Other Restructuring. A reorganization or
other organizational change or restructuring of Company operations that results
in the

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elimination of a Participant's position and the termination or reassignment of
the Participant.

        2.22 Release. As defined in Section 7.8.

        2.23 Required Compensation. With respect to any Participant, Required
Compensation consists of:

            (a) The higher of (i) the Participant's Base Salary and Target
Annual Incentive in effect immediately prior to a Qualifying Event and (ii) the
Participant's highest Base Salary and Target Annual Incentive in effect at any
time thereafter; or

            (b) The higher of (i) the aggregate targeted value (based on the
Company's standard valuation methodology then in use) of Equity Compensation
made available to senior officers in similarly-situated positions to the
Participant immediately prior to a Qualifying Event and (ii) the highest
aggregate targeted value (based on the Company's standard valuation methodology
then in use) of Equity Compensation made available to senior officers in
similarly-situated positions to the Participant at any time thereafter.

        2.24 Separation Date. The Participant's last date of employment.

        2.25 Severance Benefits. The benefits payable to the Participant in
accordance with Section 7.1.

        2.26 Successor. With respect to the Company, the purchaser, acquirer or
other surviving entity following a Change in Control.

        2.27 Successor's Failure to Assume This Plan After a Change in Control.
As defined in Section 3.3.

        2.28 Target Annual Incentive. The Participant's incentive bonus
potential, expressed and calculated as a percentage of Base Pay, for the fiscal
year in which the Separation Date occurs.

        2.29 Termination After a Change in Control. As defined in Section 3.1.

        2.30 Termination After a Reduction in Force or Other Restructuring. As
defined in Section 3.2.

        2.31 Tier I Participant. The Chief Executive Officer of the Company.

        2.32 Tier II Participant. The Presidents of the Company's Mobility
Services and Mobile Multi-Media Services business units, respectively.

        2.33 Tier III Participant. Each Employee of the Company who is
classified by the Company as an Executive Vice President.

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        2.34 Tier IV Participant. Each Employee of the Company who is designated
as a Participant by the Chief Executive Officer and the Executive Vice
President, Human Resources, and who is identified on Exhibit A hereto.

                                   ARTICLE III
                QUALIFYING EVENTS THAT TRIGGER SEVERANCE BENEFITS

        3.1 Termination After a Change in Control. A Participant shall be
entitled to receive Severance Benefits if, in connection with or within 24
months following a Change in Control, the Participant's employment with the
Company or the Successor is involuntarily terminated by the Company or the
Successor without Cause, or the Participant terminates his or her employment for
Good Reason.

        3.2 Termination After a Reduction in Force or Other Restructuring. A
Participant shall be entitled to receive Severance Benefits if, in connection
with a Reduction in Force or Other Restructuring, the Company eliminates the
Participant's position and the Participant's employment with the Company is
involuntarily terminated by the Company without Cause, or the Participant is
offered a new position and the Participant terminates his or her employment for
Good Reason.

        3.3 Successor's Failure to Assume This Plan After a Change in Control. A
Participant shall be entitled to receive Severance Benefits if a Successor fails
to assume the Company's obligations under this Plan as provided in Section 11.1.

                                   ARTICLE IV
                  EVENTS THAT DO NOT TRIGGER SEVERANCE BENEFITS

        4.1 Termination for Cause or Without Good Reason. A Participant shall
not be entitled to Severance Benefits if the Participant's employment with the
Company is terminated by the Company for Cause or if the Participant voluntarily
terminates employment without Good Reason.

        4.2 Termination by Reason of Disability or Death. A Participant shall
not be entitled to Severance Benefits if the Participant's employment with the
Company is terminated by reason of Disability or death.

                                    ARTICLE V
                                  PARTICIPATION

        5.1 Eligibility. This Plan is for the sole benefit of certain senior
officers of the Company who qualify as a Tier I Participant, Tier II
Participant, Tier III Participant or Tier IV Participant. Such eligible senior
officers shall be collectively referred to as "Participants."

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        5.2 Ineligibility. Temporary employees, temporary agency employees,
leased employees, non-payroll workers and independent contractors of the Company
are ineligible to participate in this Plan, regardless of how the relationship
with the Company subsequently may be characterized.

                                   ARTICLE VI
                             TERMINATION PROCEDURES

        The Participant shall receive advance written notice of a termination by
the Company in connection with a Qualifying Event. This notice shall be given to
the Participant at least 30 calendar days in advance of the Separation Date or
the Participant shall receive pay in lieu of such notice, unless the Participant
is terminated for Cause (in which case no such notice is required).

                                   ARTICLE VII
                               SEVERANCE BENEFITS

        7.1 Description of Severance Benefits for All Participants. Upon a
Qualifying Event, and if a Participant has executed a Release and not revoked
the Release within the period specified therein, the Participant shall be
entitled to the following:

            (a) Pro Rata Target Annual Incentive. The product of (i) the
Participant's Target Annual Incentive in effect as of the Separation Date, (ii)
a fraction, the numerator of which is the number of calendar days in the current
fiscal year through the Separation Date, and the denominator of which is 365,
and (iii) year-to-date actual performance of the Company's annual incentive
plan, as determined by the Company in its sole and exclusive judgment.

            (b) Base Salary and Target Annual Incentive. The amount equal to the
product of (i) the Multiple and (ii) the sum of (A) the Participant's Base
Salary divided by 12 and (B) the Participant's Target Annual Incentive divided
by 12.

            (c) Health Insurance. The Company shall pay the full premium cost of
health care coverage for a Participant and any of his or her dependents
participating in the Company's medical, dental, vision and prescription plans on
the Separation Date for up to the greater of (i) the maximum period under the
federal law known as "COBRA" and (ii) the number of months equal to the
Multiple; provided, however, that such payments are contingent on the
Participant's timely election of COBRA continuation coverage and shall terminate
early for any reason permitted under COBRA (both during the maximum COBRA period
and any additional coverage period). Except with respect to the foregoing
premium payment provisions, this Plan does not otherwise modify the Company's
standard COBRA procedures and administration, including, without limitation, the
Participant's obligation to notify the Company promptly if the Participant or
any of his or her covered dependents become eligible for benefits under the
group health plan of another employer or entitled to Medicare benefits.

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            (d) Outplacement Assistance. For 24 months after a Participant's
Separation Date with respect to a Termination After a Change in Control or a
Successor's Failure to Assume This Plan After a Change in Control, and for 12
months after the Participant's Separation Date with respect to a Termination
After a Reduction in Force or Other Restructuring, the Company shall provide
outplacement assistance to the Participant through an outside management
consulting firm selected by the Company and at the sole cost of the Company.

            (e) Legal and Other Fees. If a Participant incurs legal (including
attorneys' fees and expenses, and fees or other costs of arbitration),
accounting and other fees or other expenses in a good faith effort to obtain
benefits under this Plan, the Company shall reimburse the Participant up to
$10,000 upon written request and submission of invoices for reasonable legal,
accounting or other fees and other expenses, regardless of whether the
Participant ultimately prevails; provided, however, that such reimbursement
shall apply only with respect to a Termination After a Change in Control or a
Successor's Failure to Assume This Plan After a Change in Control. The existence
of any controlling case or regulatory law which is directly inconsistent with
the position taken by the Participant shall be evidence that the Participant did
not act in good faith.

        7.2 Additional Severance Benefits. A Participant shall receive financial
counseling for a period of 24 months following a Termination After a Change in
Control or a Successor's Failure to Assume This Plan After a Change in Control,
and for 12 months following a Termination After a Reduction in Force or Other
Restructuring, at the Company's expense, which is comparable to any such
benefits in effect for the Participant on his or her Separation Date. All other
benefit and equity plans, programs, policies and agreements shall operate
according to their respective terms.

        7.3 Form and Timing of Severance Benefits. Unless Section 162(m) is
applicable (in which case, the provisions of Section 7.7(b) shall apply), the
Severance Benefits described in Section 7.1(a) shall be paid in the quarter
calendar that follows the quarter in which the Separation Date occurred, and
those described in Section 7.1(b) shall be paid to the Participant in a single
lump sum within 20 calendar days of the Participant's Separation Date, subject
to the Participant's execution of a Release, or, if later, on the date the
Participant's Release ceases to be revocable. The Severance Benefits described
in Sections 7.1(c) and (d) and in Section 7.2.3 shall be provided by the Company
to the Participant beginning on the first day of the month following the
Participant's Separation Date.

        7.4 Withholding of Taxes. The Company shall withhold from any amounts
payable under this Plan all federal, state, local or other taxes that are
legally required to be withheld.

        7.5 Accrued Benefits. Notwithstanding anything to the contrary contained
in this Plan, on termination of employment of any Participant, the Company shall
pay to the Participant any Accrued Benefits in accordance with the Company's
policy on the Participant's Separation Date.

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        7.6 Relation to Other Severance Programs or Payments. Severance Benefits
are not intended to duplicate other comparable post-termination payments or
benefits under any plan, program, policy or agreement between the Participant
and the Company, regardless of the event triggering such payments or benefits,
or under applicable law (such as the WARN Act). Should such payments or benefits
be due, the Participant's Severance Benefits shall be treated as having been
paid to satisfy such payments or benefits (to the extent payable by the Company)
or shall be reduced by such payments or benefits. In either case, the Plan
Administrator in its sole and exclusive judgment shall determine how to apply
this provision, and may override this or other provisions in the Plan in doing
so. In the event a written agreement between the Company and a Participant (a)
was executed and in effect prior to the Effective Date of the Plan and (b)
contains change in control or severance benefits or definitions of Cause, Change
in Control or Good Reason (or their equivalent) that differ from those in this
Plan, the Participant shall be entitled to rely on and shall receive the benefit
of whichever of such benefit provisions and definitions are more favorable to
the Participant in a particular situation. Notwithstanding the foregoing
provisions of this section, this Plan supercedes and nullifies in its entirety
the change in control benefits program that was adopted for Section 16 officers
at the November 14, 2001 meeting of the Board.

        7.7 Potential Limitations on Severance Benefits and Payments.

            (a) Golden Parachute Limitation. Anything in this Plan to the
contrary notwithstanding, in the event receipt of all Severance Benefits and
Payments would subject a Participant to an excise tax under Code Section 4999,
the Participant shall receive a gross-up payment if the Participant's aggregate
Severance Benefits and Payments exceed the maximum amount that may be paid to
the Participant without triggering the excise tax of Code Section 4999 and
related provisions of the Code. The gross-up payment shall equal the amount of
excise tax the Participant must pay under Code Section 4999 plus the amount of
the incremental income and payroll taxes on such excise tax gross-up (the amount
of such incremental income and payroll taxes to be calculated pursuant to any
reasonable methodology the Company may choose in its discretion). Except as set
forth in the foregoing sentence, the Participant shall be fully responsible for,
and pay, all income and payroll taxes (employee portion only) with respect to
Severance Benefits and Payments.

            (b) Section 162(m) Limitation. To the extent Severance Benefits
would not be deductible under Code Section 162(m) by a Company if made or
provided when otherwise due under this Plan, they shall be made or provided
later, immediately after Section 162(m) ceases to preclude their deduction, with
interest thereon at the rate provided in Code Section 7872(f)(2).

        7.8 Release and Waiver and Restrictive Covenants. Notwithstanding any
other provision of this Plan, the right of a Participant to receive Severance
Benefits hereunder shall be subject to the execution by such Participant of a
release and waiver of all employment-related claims, a non-disparagement
covenant, and non-competition and

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non-solicitation of customers and employees covenants for a number of months
following the Separation Date equal to the Multiple (collectively, the
"Release"), such Release to be in a form provided by the Company.

        7.9 Reemployment. In no event shall a Participant be obligated to seek
other employment or take any other action by way of mitigation of the amounts
payable to the Participant under any of the provisions of the Plan, nor shall
the amount of any payment hereunder be reduced by any compensation earned by a
Participant as a result of employment by another employer, except as provided in
Section 7.1(c).

                                  ARTICLE VIII
                        FORFEITURE OF SEVERANCE BENEFITS

        8.1 Future Services with the Company. If the Participant provides
services to the Company (as an employee, independent contractor, consultant or
otherwise) within the number of months after the Participant's Separation Date
equal to the Multiple and does so without the prior written approval of the
Company's Chief Executive Officer or his or her delegate, the Participant shall
repay (or, if the Severance Benefits have not yet been provided to the
Participant, forfeit) a pro rata amount of the Severance Benefits previously
paid or provided by the Company.

        8.2 Violation of the Company's Code of Conduct or the Participant's
Restrictive Covenants. Notwithstanding any other provision of this Plan, if it
is determined by the Company that a Participant has violated the Company's code
of conduct, or violated any restrictive covenants contained in the Participant's
Release or any other restrictive covenants contained in any other Company plan,
program or agreement with the Company (including, without limitation, the
Company's noncompetition guidelines), the Participant shall be required to repay
to the Company an amount equal to the economic value of all Severance Benefits
already provided to the Participant under this Plan and the Participant shall
forfeit all unpaid benefits under this Plan. Additional forfeiture provisions
may apply under other agreements between the Participant and the Company, and
any such forfeiture provisions shall remain in full force and effect.

                                   ARTICLE IX
                          EMPLOYMENT STATUS AND RIGHTS

        9.1 Employment Status. This Plan does not constitute a contract of
employment or impose on the Company any obligation to retain the Participant as
an Employee, to change the status of the Participant's employment or to change
the Company's policies regarding termination of employment.

        9.2 Includable Compensation. Severance Benefits shall not be counted as
"compensation" for purposes of determining benefits under other benefit plans,
programs, policies and agreements, except to the extent expressly provided
therein. Except as otherwise specifically provided for in this Plan, a
Participant's rights and benefits under

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any of the Company's other benefit plans, programs, policies and agreements
continue to be subject to the respective terms of those plans, programs,
policies and agreements.

        9.3 Attention and Effort. This Plan is not intended to modify in any way
a Participant's obligation, during the term of his or her employment with the
Company, to devote all of his or her productive time, ability, attention and
effort to the business and affairs of the Company and the discharge of the
responsibilities assigned to him or her, and to use his or her best efforts to
perform faithfully and efficiently such responsibilities.

                                    ARTICLE X
                                  TYPE OF PLAN

        This Plan is intended to be, and shall be interpreted as, an unfunded
employee welfare benefit plan (within the meaning of Section 3(1) of ERISA) for
a select group of management or highly compensated employees (within the meaning
of Section 2520.104-24 of Department of Labor Regulations).

                                   ARTICLE XI
                           SUCCESSORS AND ASSIGNMENTS

        11.1 Assumption Required. This Plan shall bind any Successor, its assets
or its businesses (whether direct or indirect, by purchase, merger,
consolidation or otherwise) in the same manner and to the same extent that the
Company would be obligated under this Plan if no succession had taken place. In
the case of any transaction in which a Successor would not by the foregoing
provision or by operation of law be bound by this Plan, the Company shall
require such Successor expressly and unconditionally to assume and to agree to
perform the Company's obligations under this Plan, in the same manner and to the
same extent that the Company would be required to perform if no such succession
had taken place.

        11.2 Assignment. This Plan shall inure to the benefit of and shall be
enforceable by a Participant's personal or legal representatives, executors,
administrators, successors, heirs, distributees, devisees and legatees. If a
Participant should die while any amount is still payable to the Participant
under this Plan had the Participant continued to live, all such amounts, unless
otherwise provided herein, shall be paid in accordance with the terms of this
Plan to the Participant's estate. A Participant's rights under this Plan shall
not otherwise be transferable or subject to lien or attachment.

        11.3 Enforcement. This Plan constitutes an enforceable contract between
the Company and each Participant.

                                   ARTICLE XII
                            AMENDMENT AND TERMINATION

        The Board reserves the right to amend or terminate the Plan at any time;
provided, however, that, without the express written consent of the Participant,
no such amendment

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or termination may be made that has a materially adverse effect on any Severance
Benefits the Participant is eligible to receive under this Plan; provided
further, however, that the foregoing limitation shall not apply to any amendment
or termination of the Plan in connection with and prior to a Reduction in Force
or Other Restructuring. The form of any amendment or termination of this Plan
shall be a written instrument signed by a duly authorized officer of the
Company, certifying that the amendment or termination has been approved by the
Board. An amendment or termination of this Plan in accordance with the terms of
this section shall automatically effect a corresponding amendment to, or a
termination of, all Participants' rights under this Plan.

                                  ARTICLE XIII
                      GOVERNING LAW, JURISDICTION AND VENUE

        This Plan is a "top hat" employee benefit plan subject to ERISA's
enforcement provisions, and it shall be interpreted, administered and enforced
in accordance with that law. To the extent that state law is applicable, the
statutes and common law of the State of Washington shall apply, without
reference to principles of conflict or choice of law. This Plan will be subject
to the exclusive jurisdiction and venue of the federal or state courts of the
State of Washington, King County, to resolve issues that may arise out of or
relate to this Plan or its subject matter.

                                   ARTICLE XIV
                            VALIDITY AND SEVERABILITY

        The invalidity or unenforceability of any provision of this Plan shall
not affect the validity or enforceability of any other provision of this Plan,
which other provision shall remain in full force and effect, and any prohibition
or unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

                                   ARTICLE XV
                                 ADMINISTRATION

        15.1 Administration. The Company has all power and authority necessary
or convenient to administer this Plan, including, but not limited to, the
exclusive authority and discretion: (a) to construe and interpret this Plan; (b)
to decide all questions of eligibility for and the amount of benefits under this
Plan; (c) to prescribe procedures to be followed and the forms to be used by the
Participants pursuant to this Plan; and (d) to request and receive from all
Participants such information as the Company determines is necessary for the
proper administration of this Plan.

        15.2 Claims Procedures.

        (a) Claim for Benefits. A Participant (or any individual authorized by
such Participant) has the right under the Employee Retirement Income Security
Act of 1974 ("ERISA") and this Plan to file a written claim for benefits. To
file a claim, the Participant must send the written claim to the Company's
Executive Vice President of

                                                                         PAGE 13

<PAGE>

Human Resources, or his or her designee (the "HR EVP"). If such claim is denied
in whole or in part, the Participant shall receive written notice of the HR
EVP's decision within 90 days after the claim is received. Such written notice
shall include the following information: (i) specific reasons for the denial;
(ii) specific reference to pertinent Plan provisions on which the denial is
based; (iii) a description of any additional material or information necessary
for the perfection of the claim and an explanation of why it is needed; and (iv)
steps to be taken if the Participant wishes to appeal the denial of the claim,
including a statement of the Participant's right to bring a civil action under
Section 502(a) of ERISA upon an adverse decision on appeal. If the HR EVP needs
more than 90 days to make a decision, he or she shall notify the Participant in
writing within the initial 90 days and explain why more time is required, and
how long is needed. If a Participant (or any individual authorized by such
Participant) submits a claim according to the procedures above and does not hear
from the HR EVP within the appropriate time, the Participant may consider the
claim denied.

        (b) Appeals. The following appeal procedures give the rules for
appealing a denied claim. If a claim for benefits is denied, in whole or in
part, or if the Participant believes benefits under this Plan have not been
properly provided, the Participant (or any individual authorized by such
Participant) may appeal this denial in writing within 60 days after the denial
is received. The Plan Administrator shall conduct a review and make a final
decision within 60 days after receiving the Participant's written request for
review. If the Plan Administrator needs more than 60 days to make a decision, it
shall notify the Participant in writing within the initial 60 days and explain
why more time is required. The Plan Administrator may then take 60 more days to
make a decision. If such appeal is denied in whole or in part, the decision
shall be in writing and shall include the following information: (i) specific
reasons for the denial; (ii) specific reference to pertinent Plan provisions on
which the denial is based; (iii) a statement of the Participant's right to
access and receive copies, upon request and free of charge, of all documents and
other information relevant to such claim for benefits; and (iv) a statement of
the Participant's (or representative's) right to bring a civil action under
Section 502(a) of ERISA. If the Plan Administrator does not respond within the
applicable time frame, the Participant may consider the appeal denied. If a
Participant (or any individual authorized by such Participant) submits a written
request to appeal a denied claim, the Participant has the right to review
pertinent Plan documents and to send a written statement of the issues and any
other documents to support the claim. The Participant must pursue the claim and
appeal rights described above before seeking any other legal recourse regarding
a claim for benefits.

        15.3 Notice. Any notice required to be delivered by the Company or the
Plan Administrator or by a Participant under this Plan shall be deemed delivered
to the Company and to the Participant when deposited in the U.S. mails, and
addressed to the Company's Executive Vice President of Human Resources and to
the Participant at his or her last known address as reflected on the books and
records of the Company.

                                                                         PAGE 14

<PAGE>

                                   ARTICLE XVI
                                TERM OF THIS PLAN

        This Plan commences on the Effective Date and shall continue in effect
until the 24th calendar month following the date on which a Change in Control
occurs, unless the Board earlier amends or terminates this Plan pursuant to
Article XII.

        The Company has caused this Plan to be executed as of the date set forth
below.

                                            AT&T WIRELESS SERVICES, INC.

                                            /s/ D. Jane Marvin
                                            ------------------------------------
                                            Its Executive Vice President,
                                                Human Resources

                                            Date: 8/12/02

                                    PAGE 15

<PAGE>

                                    EXHIBIT A
                              TIER IV PARTICIPANTS

                                                                         PAGE 16<PAGE>
                                                                    EXHIBIT 10.5

April 1, 2002

CONFIDENTIAL

Michael Keith
4 Tall Oaks Court
Mendham, NJ 07945

Re: Employment Agreement

Dear Michael:

This letter agreement (this "Agreement") confirms the terms and conditions of
your employment with AT&T Wireless Services, Inc. (the "Company"). Unless
otherwise stated expressly in this Agreement, this Agreement amends and
supercedes your January 3, 2000 Special Retention Agreement ("Prior Agreement")
and all other prior agreements between you and the Company concerning the
subject matter of this Agreement.

1.  Term of Agreement: This Agreement begins February 16, 2002 ("Effective
    Date"). It is anticipated that this Agreement will end on the earlier of the
    completion of your assignment with TeleCorp and May 31, 2003 ("End Date"),
    unless your employment is terminated earlier or this Agreement is extended
    by a written agreement between you and the Company.

2.  Job Responsibilities. As of the Effective Date, you will assume a new role
    of President of TeleCorp. The job duties, responsibilities and perquisites
    of this position will be consistent with and comparable to that of Executive
    Vice President of the Company. In this capacity, you will report to Mohan
    Gyani, President and Chief Executive Officer, AT&T Mobility Services. In
    addition, until the completion of the Fixed Wireless closure, you will
    continue to report to John Zeglis, Chairman and Chief Executive Officer of
    the Company.

3.  Compensation: Your base salary will be increased by 3.5% to $538,200,
    effective retroactively to February 16, 2002. It is anticipated that this
    rate will be reviewed on an annual basis to reflect individual performance
    and base salary structure changes applicable to executives in similarly
    situated positions, but in no event will your base salary be reduced at any
    time. Your target bonus for 2002 will remain at 100% of base salary. As of
    the Effective Date, 30% of your bonus will be based on TeleCorp business
    results and overall integration. (Specific targets will be mutually agreed
    to by you and John Zeglis within 60 days of the Effective Date.) Prior to
    the Effective Date, for bonus calculation purposes, you will be considered
    as part of the AT&T Mobility Services business unit. Additionally, you will
    be eligible for a 2002 stock option grant using the guidelines approved by
    the Compensation Committee of the Company's Board of Directors
    ("Compensation Committee") for other Executive Vice Presidents of the
    Company. Your compensation in 2003 will be reviewed to reflect individual
    performance, TeleCorp performance, and other factors applied to executives
    in similarly situated positions. Upon termination, the bonus for that year
    will be paid out on a pro-rata basis for time worked, and based on the
    performance against target metrics (as mutually agreed to by you and John
    Zeglis) achieved at the time of termination. As for any executive in a
    similarly situated position, all aspects of your compensation are subject to
    approval by the Compensation Committee, which approval shall not be
    unreasonably withheld.

<PAGE>

4.  Special Individual Non-qualified Supplemental Retirement Arrangements. Under
    this Agreement, the Company will maintain three non-qualified arrangements
    as follows:

    o   "SRA1": originally established as Exhibit B of the Prior Agreement.
        Notwithstanding any provision in Exhibit B of the Prior Agreement to the
        contrary, the SRA1 will become 100% vested on April 1, 2002. At that
        time, you will be responsible for Medicare taxes, which are estimated at
        $14,000. Payout of the SRA1 will be made in accordance with the terms of
        Exhibit B of the Prior Agreement. You are entitled to the payment under
        SRA1 unconditionally, except with respect to the Forfeiture Rights
        described in the second to last paragraph of this paragraph 4.

    o   "SRA2": This Agreement does not modify, in any respect, the terms of the
        SRA2, effective April 1, 2001.

    o   "SRA3": The Company will establish the SRA3 on, or as soon as practical
        following, April 1, 2002. The SRA3 will be credited with an initial
        balance of $2,152,800. This amount will be 100% vested on April 1, 2002.
        The Company shall credit interest to this account as of the end of each
        calendar quarter at rate equal to one-quarter of the average 10-year
        Treasury Note Rate in effect for the previous quarter. Please note that
        you will be responsible for Medicare taxes as of the vesting date, which
        taxes are estimated at $31,216.

        The SRA3 will be maintained as a bookkeeping account on the records of
        the Company and you will have no present ownership right or interest in
        the SRA3, or in any assets of the Company with respect thereto. The SRA3
        constitutes a mere unsecured promise by the Company to make benefit
        payments in the future. With respect to account balance and other rights
        under the SRA3, you and your beneficiaries shall at all times be and
        remain general unsecured creditors of the Company. The SRA3 may not be
        assigned, pledged or otherwise alienated by you and any attempt to do
        so, or any garnishment, execution or levy of any kind with respect to
        the SRA3, will not be recognized.

        Payout under the SRA3 will occur in one lump sum within 60 days of
        termination, unless, prior to April 1, 2002, you elect to defer receipt
        pursuant to and in accordance with Attachment A. You shall not have the
        right to receive any other payment with respect to the SRA3.

        Like the SRA1 and SRA2, retirement amounts under the SRA3 are subject to
        forfeiture (or repayment if such amounts already have been paid) if you
        violate the Company's noncompetition guidelines, in effect at the time
        of the violation, any time prior to the second anniversary of the
        termination of your employment (the "Forfeiture Rights"). The current
        form of the Company's noncompetition guidelines are described in
        paragraph 13 of this Agreement. Except as otherwise provided in this
        paragraph 4, you are entitled to the payments under SRA 3
        unconditionally.

        We would be willing to exchange, on your request, a portion or
        combination of the amounts in SRA1, 2 and 3 for an Estate Enhancement
        Program, detail to be agreed by both parties.

5.  Additional Benefits:

    Life Insurance: Because of your employment with AT&T Corp., it is the
    Company's understanding that AT&T Corp. will provide you, for the remainder
    of your life, with continued life insurance under the AT&T Senior Management
    Universal Life Insurance Plan

<PAGE>

    equal to two and one half times your annual base salary. The Company does
    not control and is not responsible for this benefit.

    Financial Counseling: You will receive financial counseling benefits for a
    period of two years from your termination date, in accordance with the
    financial counseling program maintained by either AT&T Corp. or the Company,
    as applicable, during such period.

    Outplacement Counseling: The Company will provide you, if you so select
    within one year of termination, with outplacement counseling from a firm
    selected by the Company in accordance with the practice then in effect for
    executives in similarly situated positions.

    Telephone Reimbursement: Because of your employment with AT&T Corp., it is
    the Company's understanding that AT&T Corp. will continue to provide you
    with telephone reimbursement through the AT&T Toll Discount Program. The
    Company does not control and is not responsible for this benefit.

6.  Restricted Stock Units: Your RSUs granted in September 1998 will continue to
    be subject to performance restrictions, in accordance with my prior
    correspondence to you on this subject, until April 1, 2002. As of that date,
    your RSUs will be deemed 60% vested, provided you remain employed through
    that date. As soon as administratively practical after that time, shares
    equal to the number of vested units will be issued to you. The remaining 40%
    of your RSUs will vest according to the following terms: 20% on January 1,
    2003 and the final 20% on the End Date, in both cases provided you meet
    performance objectives as mutually agreed to by you and John Zeglis within
    60 days of the Effective Date.

7.  Stock Options: Stock options granted prior to February 16, 2002 will be
    treated as if you had retired from the Company, will continue to vest
    regardless of your termination of employment for whatever reason, and will
    be exercisable until the original grant expiration date of the option.
    Grants made in 2002 and beyond will continue to vest regardless of your
    termination of employment for whatever reason and be exercisable for the
    full length of the original 10-year term if you meet the retirement
    eligibility criteria in effect for these grants as of your termination date.
    These criteria currently require achievement of age 55 and at least 10 years
    of net credited service upon termination. [Deleted provision regarding
    entitlement upon death]. In the event of a Company initiated termination
    other than for Cause or in the event you terminate employment for Good
    Reason, any outstanding unvested options will be treated as if you had
    retired from the Company on that date.

8.  Change in Control: Prior to the End Date, if your employment is terminated
    by the Company in connection with or following a "change in control" (as
    defined in the 2001 Long-Term Incentive Plan) and without Cause, or by you
    for Good Reason following a change in control, you will receive a severance
    payment in accordance with the terms of the change in control policy, plan,
    agreement or program then in effect for executives in similarly situated
    positions less $2,152,800. Additionally, to the extent and in accordance
    with the terms of the stock option grant agreement, any unvested options
    will become fully vested and exercisable upon a change in control. This
    Agreement replaces any and all severance or change in control payments and
    benefits that may otherwise be due to you upon the termination of your
    employment. By signing this Agreement, you waive all rights you may have
    under, and forever release the Company and its affiliates from all liability
    with respect to, any of their plans, programs or practices providing
    severance or change in control payments and benefits, except as expressly
    provided in this Agreement.

9.  Termination: Upon the termination of your employment by you or the Company
    for any reason prior to the End Date, your restricted stock units and stock
    options will be treated as follows:

<PAGE>

    o   Unvested stock options from 2002 and beyond will be treated according to
        the circumstances of your termination, as specified in each stock option
        grant agreement.

    o   Any remaining unvested Restricted Stock Units from the 1998 grant will
        be forfeited.

    In the event the Company determines that there is Cause for termination of
    your employment, the Company will provide you with written notice specifying
    the grounds upon which its determination is based.

    For purposes of clarification, if the termination provisions of this
    paragraph 9 apply, you, your estate or your legal representative, as
    applicable, will also receive your base salary and bonus through your actual
    termination date (not the End Date) in accordance with paragraph 3 of this
    Agreement as well as the additional benefits described in paragraph 5 of
    this Agreement. Nothing in this paragraph 9 shall in any way affect your
    rights to any vested payments under the SRA 1, SRA 2 and SRA 3.

    Additionally, if your employment is terminated by reason of death or
    long-term disability, crediting of interest to the SRA3 will continue
    through the end of the quarter of termination, and payout will occur in
    accordance with paragraph 4 of this Agreement.

10. Definitions: The definition of "Cause" will remain unchanged from paragraph
    5(b) of the Prior Agreement. The definition of "Good Reason" will remain
    unchanged from paragraph 5(a) of the Prior Agreement. "Long-term disability"
    will have the same meaning as set forth in the Company's long-term
    disability plan in place at the time of your disability.

11. Confidentiality: Terms and conditions remain unchanged from paragraph 6 of
    the Prior Agreement.

12. Employment at Will: The employment relationship at the Company is by mutual
    consent ("employment at will"). This means that employees have the right to
    terminate their employment at any time and for any, or no, reason. Likewise
    the Company reserves the right to discontinue your employment with or
    without Cause at any time and for any, or no, reason. The Company's various
    employee and executive benefit and incentive plans, programs, and practices,
    as may be mentioned in this Agreement, reflect their current provisions. The
    Company reserves the right to discontinue or modify any such plans, programs
    and practices at any time. In the event that the Company decides to
    terminate your employment, you will receive notice, in writing, 60 calendar
    days prior to your termination date. Similarly, in the event that you decide
    to terminate your employment for any reason other than for Good Reason, you
    will provide notice, in writing, 60 calendar days prior to your termination
    date, in order to be eligible for the benefits identified in paragraph 9 of
    this Agreement.

13. Non-competition: Terms and conditions remain unchanged from paragraph 9 of
    the Prior Agreement.

14. Attorney's Fees: In the event you bring an action to enforce the terms of
    this Agreement and prevail in any such action, the Company will pay your
    reasonable attorney's fees and costs related to any such action. The Company
    agrees to reimburse you for up to $7,500 for attorney's fees incurred by you
    in connection with negotiating this Agreement.

<PAGE>

15. Governing Law. The construction, interpretation and performance of this
    Agreement shall be governed by the laws of the State of Washington, without
    regard to its choice or conflict of laws provisions, except to the extent
    preempted by federal law.

Michael, we value your continued association with the Company, and are pleased
to offer you this opportunity to remain with the Company as head of Telecorp. If
you agree with the foregoing, please sign this Agreement in the space provided
below and return the signed original to me for our files. Please maintain a copy
for your own records.

Sincerely,

/s/ Jane Marvin

Jane Marvin
EVP, Human Resources
AT&T Wireless Services

Acknowledged and Agreed:

/s/ Michael G. Keith                        April 1, 2002
-----------------------------               -------------
Michael G. Keith                            Date

<PAGE>

                                  ATTACHMENT A

I, ____________________________ (signature) hereby elect to defer receipt of the
payment under the Special Individual Non-qualified Supplemental Retirement
Arrangement (SRA3) that may become due to me pursuant to the terms of the
attached Agreement, effective February 16, 2002, for a period of _____ (up to 5)
years after the date this payment would otherwise become due. Thereafter, the
amount deferred shall be paid to me in __________ (up to 5) substantially equal
annual installments. I understand that the amount deferred will be credited with
interest each quarter equal to one-quarter of the average 10-year Treasury Note
Rate in effect for the previous quarter. In the event of my death prior to
either the commencement or completion of payout of the deferred amount, the
unpaid balance shall be paid to my beneficiary (or my estate if no beneficiary
has been named) in accordance with instructions on file with the Company at that
time.

I, _____________________ (signature) do not wish to defer receipt of the SRA3
payment that may become due to me pursuant to the terms of the attached
Agreement.

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