AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT

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AMENDED AND RESTATED

LIMITED LIABILITY COMPANY AGREEMENT

ACC ACQUISITION LLC

between

AT&T WIRELESS SERVICES JV CO.

and

▇▇▇▇▇▇ ▇▇ COMPANY

Dated as of January 31, 2000

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AMENDED AND RESTATED
LIMITED LIABILITY COMPANY AGREEMENT

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT, dated as
of January 31, 2000, by and between AT&T Wireless Services JV Co., a Delaware
corporation ("AWS Sub") and a 100% Subsidiary of AWS Wireless Services, Inc.,
a Delaware corporation ("AWS"), and ▇▇▇▇▇▇ ▇▇ Company, an Oklahoma
corporation ("DCC Sub") and a 100% Subsidiary of ▇▇▇▇▇▇ Communications
Corporation, an Oklahoma corporation ("DCC").

WHEREAS, AWS Sub and DCC Sub are party to the Operating Agreement
of ACC Acquisition LLC dated as of October 4, 1999 (the "Original
Agreement"); and

WHEREAS, AWS Sub and DCC Sub desire to amend and restate the
Original Agreement.

NOW, THEREFORE, in consideration of the mutual promises and
covenants herein contained, it is hereby agreed, and the Original Agreement
is hereby amended and restated, as follows:

ARTICLE 1
DEFINITIONS

Capitalized terms used in this Agreement without other definition
shall, unless expressly stated otherwise, have the meanings specified in this
Article 1.

"80% Subsidiary" of a Person or group (as such term is used in
Sections 13(d) and 14(d) of the Exchange Act and the regulations thereunder)
means any Subsidiary that is controlled by such Person or group, and at least
80% of whose voting power and at least 80% of whose economic interests are
owned directly by such Person or group or by an 80% Subsidiary of such Person
or group.

"100% Subsidiary" of a Person or group (as such term is used in
Sections 13(d) and 14(d) of the Exchange Act and the regulations thereunder)
means any Subsidiary that is controlled by such Person or group, and 100% of
whose voting power and 100% of whose economic interests are owned directly by
such Person or group or by a 100% Subsidiary of such Person or group.

"Act" means the Delaware Limited Liability Company Act, as amended
from time to time.

"Adjusted Capital Account Deficit" means, with respect to any Member,
the deficit balance, if any, in such Member's Capital Account as of the end of
the relevant fiscal year, after giving effect to the following adjustments:

(i) such Capital Account shall be deemed to be increased by
any amounts which such Member is obligated to restore to the Company
(pursuant to this Agreement or otherwise) or is deemed to be obligated to
restore pursuant to the second to last sentence of Treasury Regulation
Sections 1.704-2(g)(1) and 1.704-2(i)(5) (relating to allocations
attributable to nonrecourse debt); and

(ii) such Capital Account shall be deemed to be decreased by
the items described in Treasury Regulation Sections 1.704-1(b)(2)(ii)(d)
(4), (5) and (6).

The foregoing definition of Adjusted Capital Account Deficit is
intended to comply with the provisions of Treasury Regulation Section
1.704-1(b)(2)(ii)(d) and shall be interpreted and applied consistently
therewith.

"Adopted Service Features" means the Core Service Features and
additional service features that are adopted by the Company in accordance
with the terms of this Agreement.

"Affiliate" means, with respect to any Person, any other Person
that, either directly or indirectly through one or more intermediaries,
controls, is controlled by or is under common control with such Person.

"Affiliate Group" means each of the AWS Affiliate Group and the DCC
Affiliate Group.

"Agents" is defined in Section 8.9(a).

"Agreement" means this Amended and Restated Limited Liability
Company Agreement, as amended, modified, supplemented or restated from time
to time.

"Appraiser" is defined in Section 9.7.

"AT&T" means AT&T Corp.

"AT&T PCS" means AT&T Wireless PCS, LLC.

"AWS" is defined in the first paragraph hereof.

"AWS Affiliate Group" means (a) AWS Sub, so long as AWS Sub is an
80% Subsidiary of AWS, (b) AWS and any Subsidiary of AWS so long as such
Subsidiary is an 80% Subsidiary of AWS and (c) AT&T and any Subsidiary of
AT&T so long as such Subsidiary is an 80% Subsidiary of AT&T.

"AWS Member Group" means Members that are members of the AWS
Affiliate Group and their Private Transferees.

"AWS Sub" is defined in the first paragraph hereof.

"Book Value" means, with respect to any asset of the Company, the
asset's adjusted basis as of the relevant date for federal income tax
purposes except as follows:

(i) the initial Book Value of any asset contributed by a Member to
the Company shall be the Fair Market Value of such asset, as determined by
the contributing Member and the Company with the concurrence of the
Management Committee;

(ii) the Book Values of all Company assets (including intangible
assets such as goodwill) shall be adjusted to equal their respective Fair
Market Values as of the following times:

(A) the acquisition of an additional Interest by any new or
existing Member in exchange for more than a de minimis capital
contribution;

(B) the distribution by the Company to a Member of more than
a de minimis amount of Company property other than money in exchange
for a Member's Interest in the Company, whether in liquidation of the
Company or otherwise, or a distribution in complete liquidation of the
Interest of a Member; provided that in connection with a distribution
other than in liquidation of the Company, only the Book Value of the
distributed asset shall be adjusted if the Management Committee
determines that such adjustment will be sufficient to reflect the
relative Interests of the Members; and

(iii) the Book Value of any Company asset distributed to any Member
shall be the Fair Market Value of such asset on the date of distribution;
and

(iv) if the Book Value of an asset has been determined or adjusted
pursuant to clause (i) or clause (ii) above, such Book Value shall
thereafter be adjusted by the Depreciation taken into account with respect
to such asset for purposes of computing Profits and Losses, and other items
allocated pursuant to Section 4.3.

The foregoing definition of Book Value is intended to comply with the
provisions of Treasury Regulation Section 1.704-1(b)(2)(iv) and shall be
interpreted and applied consistently therewith.

"Business" means the business of (a) owning, constructing and
operating systems to provide Company Communications Services, solely within
the Territory, (b) providing to end-users and resellers Company
Communications Services available on such systems, (c) providing in
connection with such Company Communications Services, solely

within the Territory, the Adopted Service Features and (subject to the
immediately following sentence) Telecommunications Services incidental or
ancillary to such Company Communications Services provided to end-users of
such Company Communications Services (including, by way of example, bundling
additional Telecommunications Services with Company Communications Services),
and (d) marketing and offering the services and features described in clauses
(b) and (c) within the Territory, including advertising such services and
features using broadcast and other media, so long as such advertising extends
beyond the Territory only when and to the extent necessary to reach customers
and potential customers in the Territory. The activities described in
clauses (a) and (b) shall be the indispensable requisite, and primary
business, of the Company and, to the extent the Company provides
Telecommunications Services incidental or ancillary thereto, the Company and
its Subsidiaries shall be only the agent or reseller for the provider thereof
and shall not own or lease the facilities used to provide such services,
except that the Company may own or lease facilities that, in the aggregate,
do not have a purchase price to the Company and its Subsidiaries in excess of
$10 million, and the Company may be a facilities-based provider of services
using such facilities.

"Buyers" is defined in Section 9.2(a).

"Buy-Sell Procedure" is defined in Section 9.9(a).

"Capital Account" is defined in Section 3.1(a).

"Cellular System" means a wireless communications system constructed
and operated in a Metropolitan Statistical Area or Rural Statistical Area as
defined by the FCC (or any territorial designations or subdivision thereof
authorized by the FCC) exclusively using frequencies in the 800 MHz band
allocated for the Cellular Radiotelephone Service under Part 22 of the FCC
Rules, pursuant to a License therefor issued by the FCC.

"Change of Control of DCC" means:

(i) at any time as Voting Securities of DCC (excluding shares of
Class B Common Stock owned beneficially by members of the ▇▇▇▇▇▇ Group)
having at least a majority of the voting power of the Voting Securities of
DCC then outstanding (on a fully diluted basis, treating Equity Interests
of DCC issuable upon the conversion, exchange or exercise of convertible or
exchangeable securities, or other rights to acquire Equity Interests, as
issued and outstanding) are not listed for trading on a national securities
exchange or quoted on the NASDAQ National Market System, any circumstance,
event or transaction following which

(A) the members of the ▇▇▇▇▇▇ Group cease to be the
exclusive "beneficial owners" (as such term is used in Rules 13d-3,
13d-5 or 16a-1 under the Exchange Act), of at least a majority of the
outstanding Equity Interests of DCC (on a fully diluted basis,
treating Equity Interests of DCC issuable upon the conversion,
exchange or exercise of convertible or

exchangeable securities, or other rights to acquire Equity Interests,
as issued and outstanding) or

(B) ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ or (in the event of the death or
Disability of ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇) the members of the ▇▇▇▇▇▇ Group cease
to have, directly or indirectly, the exclusive right to vote Voting
Securities of DCC having at least a majority of the voting power of
the Voting Securities of DCC then outstanding;

(ii) so long as Voting Securities of DCC (excluding shares of Class
B Common Stock owned beneficially by members of the ▇▇▇▇▇▇ Group) having at
least a majority of the voting power of the Voting Securities of DCC then
outstanding (on a fully diluted basis, treating Equity Interests of DCC
issuable upon the conversion, exchange or exercise of convertible or
exchangeable securities, or other rights to acquire Equity Interests, as
issued and outstanding) are listed for trading on a national securities
exchange or quoted on the NASDAQ National Market System, any circumstance,
event or transaction following which

(A) the members of the ▇▇▇▇▇▇ Group cease to be the
exclusive "beneficial owners" (as such term is used in Rules 13d-3,
13d-5 or 16a-1 under the Exchange Act) of at least 35% of the
outstanding Equity Interests of DCC (on a fully diluted basis,
treating Equity Interests of DCC issuable upon the conversion,
exchange or exercise of convertible or exchangeable securities, or
other rights to acquire Equity Interests, as issued and outstanding)
or

(B) ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ or (in the event of the death or
Disability of ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇) the members of the ▇▇▇▇▇▇ Group,
cease to have, directly or indirectly, the exclusive right to vote
Voting Securities of DCC having at least 35% of the voting power of
the Voting Securities of DCC then outstanding, or

(C) another Person or group (as such term is used in
Sections 13(d) and 14(d) of the Exchange Act and the regulations
thereunder) is the "beneficial owner" (as such term is used in Rules
13d-3, 13d-5 or 16a-1 under the Exchange Act) of at least 35% of the
Voting Securities of DCC or 35% of the outstanding Equity Interests of
DCC (on a fully diluted basis, treating Equity Interests of DCC
issuable upon the conversion, exchange or exercise of convertible or
exchangeable securities, or other rights to acquire Equity Interests,
as issued and outstanding) or otherwise has the power, acting alone,
to control DCC; or

(iii) the sale of all or substantially all of DCC's stock, business
or assets (including through a merger or otherwise).

"Claim" is defined in Section 11.3(a).

"Code" means the Internal Revenue Code of 1986, as amended from time
to time.

"Company" means ACC Acquisition LLC.

"Company Communications Services" means Commercial Mobile Radio
Services regulated under FCC Rules Subpart H of Part 22, Subpart E of Part 24,
and Part 20 in effect as of the Effective Date.

"Company Minimum Gain" means the aggregate of the amounts of gain, if
any, determined for each nonrecourse liability of the Company, that would be
realized by the Company for federal income tax purposes if it disposed of the
Company property subject to such liability in a taxable transaction in full
satisfaction thereof and for no other consideration. To the extent the
foregoing is inconsistent with Treasury Regulation Section 1.704-2(d) or
incomplete with respect to such regulation, Company Minimum Gain shall be
computed in accordance with such regulation.

"Confidential Information" means all documents and information
(including without limitation, commercial information and information with
respect to customers and proprietary technologies or processes and the design
and development of new products or services) concerning the Company, the
Cellular Systems and PCS Systems in which the Company has an ownership interest,
the Members or their Affiliates furnished to a Member or any of its Affiliates
in connection with the transactions leading up to and contemplated by this
Agreement and the other Related Agreements and the operation of the Company
which is (i) not otherwise in the public domain, (ii) not otherwise in the
rightful possession of such Member (or Affiliate) from third parties having no
obligation of confidentiality to the other Member or the Company and (iii) not
required to be disclosed by such Member, its Affiliates or Agents pursuant to
federal, state or local law.

"control," "controlled" and "controlling" shall mean possession,
directly or indirectly, of the power to direct or cause the direction of the
management and policies of a Person, whether through the ownership of Voting
Securities, by contract or otherwise.

"Core Service Features" means the service features set forth on
Schedule I.

"Corporation" is defined in Section 8.10(a).

"DCC" is defined in the first paragraph hereof.

"DCC Affiliate Group" means (a) DCC Sub so long as it is an 80%
Subsidiary of DCC and DCC is a member of the DCC Affiliate Group, (b) any
Parent of DCC Sub so long as such Parent is an 80% Subsidiary of DCC and DCC
is a member of the DCC Affiliate Group, (c) DCC so long as a Change of
Control of DCC has not occurred, (d) any Parent of

DCC so long as such Parent is an 80% Subsidiary of the ▇▇▇▇▇▇ Group and (e)
the ▇▇▇▇▇▇ Group. Logix Communications is not a member of the DCC Affiliate
Group.

"DCCLP" means ▇▇▇▇▇▇ ▇▇ Limited Partnership, an Oklahoma limited
partnership.

"DCC Member Group" means Members that are members of the DCC
Affiliate Group and their Private Transferees.

"DCC Sub" is defined in the first paragraph hereof.

"Depreciation" means, for each fiscal year or part thereof, an
amount equal to the depreciation, amortization, or other cost recovery
deduction allowable for federal income tax purposes with respect to an asset
for such year or other period, except that if the Book Value of an asset
differs from its adjusted basis for federal income tax purposes at the
beginning of such year, Depreciation shall be an amount which bears the same
ratio to such Book Value as the federal income tax depreciation, amortization
or other cost recovery deduction for such year bears to such adjusted tax
basis; provided that if the federal income tax depreciation, amortization or
other cost recovery deduction for such year is zero, Depreciation shall be
determined with reference to such Book Value using any reasonable method
selected by the Management Committee, subject to any applicable legal
regulations.

"Disability" means, with respect to ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, that he is
disabled in accordance with the provisions of the long-term disability
insurance policies of DCC applicable to him or, in the absence of any such
policies, that he is unable, for 180 consecutive days, or 270 total days, in
any 360-day period, to exercise his material duties as Chief Executive
Officer of DCC.

"Dispute" is defined in Section 8.11(a).

"Dispute Notice" is defined in Section 8.11(c).

"Disqualifying Transaction" means a merger, consolidation, asset
acquisition or disposition, or other business combination involving AT&T (or
its Affiliates) and another Person, which other Person (together with its
Affiliates but before giving effect to such merger, consolidation, asset
acquisition or disposition or other business combination) (a) derives annual
aggregate revenues in excess of $5 billion from the provision of
Telecommunication Services (based on its most recently ended fiscal year for
which such information is available), (b) derives less than one-third of its
annual aggregate revenues from the provision of wireless Telecommunications
Services (based on its most recently ended fiscal year for which such
information is available), (c) owns Licenses issued by the FCC which
authorize it to offer (and does offer) Mobile Wireless Services serving more
than 25% of the Pops within the Territory, and (d) with respect to which AWS
Sub has given written notice to the Company and the other Members specifying
that such merger, consolidation, asset acquisition or disposition or other
business combination shall be a

Disqualifying Transaction for purposes of this Agreement and the transactions
contemplated hereby.

"Distributable Cash" means, as of the end of any fiscal period, the
amount of the cash and cash equivalents held by the Company and its
Subsidiaries available for distribution to the Members, as determined by the
Management Committee in accordance with sound business practice.

"▇▇▇▇▇▇ Family" means, collectively, the Immediate Families of
▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ and ▇▇▇▇▇ ▇▇▇▇▇▇.

"▇▇▇▇▇▇ Group" means, collectively, the Persons set forth on
Schedule II and members of the ▇▇▇▇▇▇ Family.

"▇▇▇▇▇▇ IPO" means an initial public offering of common stock of
DCC pursuant to an effective registration statement under the Securities Act,
the aggregate gross proceeds from which public offering equals or exceeds
$50.0 million.

"Economic Interest" means the percentage interest of a Member (or a
permitted assignee of a Member pursuant to Article 9 which has not been
admitted as a Member of the Company) in Company distributions, and
allocations of Profits, Losses, income, gain, loss, deduction or credit or
any similar item, and all other rights and interests of a Member of the
Company that are not Voting Interests. The term "Economic Interest"
specifically excludes a Voting Interest.

"Effective Date" means the Closing Date under the Agreement and
Plan of Merger, dated as of October 5, 1999, among the Company, ACC
Acquisition Co. and American Cellular Corporation.

"Equity Interests" means capital stock, partnership interests,
limited liability company interests or other ownership or beneficial
interests of any Person.

"Exchange Act" means the Securities Exchange Act of 1934, as amended.

"Fair Market Value" means, with respect to any asset, as of the
date of determination, the cash price at which a willing seller would sell
and a willing buyer would buy such asset in a transaction negotiated at arm's
length, each being apprised of and considering all relevant facts,
circumstances and factors, and neither acting under compulsion, with the
parties being unaffiliated third parties acting without time constraints.

"FCC" means the Federal Communications Commission or any successor
agency or entity performing substantially the same functions.

"FCC Rules" means the rules and regulations established by the FCC
codified in Section 47 of the Code of Federal Regulations, as the same may be
modified or amended from time to time hereafter.

"Final Order" means an action by the FCC or any state regulatory
agency granting its approval for the transfer of control of the Company as to
which (i) no request for stay by the FCC or state regulatory action is
pending, no such stay is in effect, and, if any deadline for filing any such
request is designated by statute, rule or regulation, such deadline has
passed; (ii) no petition for rehearing or reconsideration or application for
review of the action is pending before the FCC or any state regulatory
agency, and the time for filing any such petitions or applications has
passed; (iii) neither the FCC nor any state regulatory agency has the action
under reconsideration on its own motion and the time for such reconsideration
has passed; and (iv) no appeal to a court, or request for stay by a court, of
the action of the FCC or state regulatory agency is pending or in effect,
and, if any deadline for filing any such appeal or request is designated by
statute, rule or regulation, it has passed.

"GAAP" means generally accepted accounting principles as used by
the Financial Accounting Standards Board and/or the American Institute of
Certified Public Accountants.

"Governmental Authority" means a national, state, provincial,
county, city, local or other governmental or regulatory body or authority,
whether domestic or foreign.

"Immediate Family" means, with respect to any Person, such Person's
spouse, parents, spouse's parents, siblings, children, stepchildren, adopted
children and grandchildren.

"Included Interests" is defined in Section 9.3(a).

"Indemnified Person" is defined in Section 11.1(b).

"Indirect Transfer" means, with respect to Interests in the Company
owned by a Member that is a member of an Affiliate Group, a Transfer of
Equity Interests in a Person that owns directly or indirectly Equity
Interests in such Member.

"Initial Economic Interests" means the Economic Interests acquired
by AWS Sub and DCC Sub on the Effective Date.

"Interest" means the Economic Interest and the Voting Interest of a
Member, and includes the entire legal and equitable ownership interest of a
Member in the Company.

"IPO" means the initial underwritten public offering of the
Company's equity securities pursuant to an effective registration statement
under the Securities Act.

"License" means, with respect to a PCS System or Cellular System,
all permits, licenses, waivers, and authorizations (including, without
limitation, licenses issued by the FCC) that are necessary to conduct the
operations of such system in the manner in which such operations are
currently contemplated, or may in the future be contemplated by the licensee
to be conducted.

"Lien" means, with respect to any asset, any mortgage, lien,
pledge, charge, security interest, right of first refusal or right of others
therein, or encumbrance of any nature whatsoever in respect of such asset.

"Liquidator" is defined in Section 10.3(b).

"Logix Communications" means Logix Communications Enterprises, Inc.

"Management Agreement" means the Management Agreement, dated as of
the date hereof, between the Company and ▇▇▇▇▇▇ Cellular Systems, Inc., as
the same may be amended in accordance herewith and therewith.

"Management Committee" is defined in Section 7.1.

"Member" means, initially, AWS Sub and DCC Sub as long as they have
not ceased to be Members hereunder, and any Person who, at the time of the
reference thereto, has been admitted to the Company as a Member in accordance
with the terms of this Agreement and has not ceased to be a Member hereunder,
in such Person's capacity as a member (within the meaning of the Act) of the
Company.

"Member Group" means each of the AWS Member Group and the DCC
Member Group.

"Member Minimum Gain" means an amount, with respect to each Member
nonrecourse debt, equal to the Company Minimum Gain that would result if such
Member nonrecourse debt were treated as a nonrecourse liability, determined
in accordance with Treasury Regulation Section 1.704-2(i).

"Member Nonrecourse Debt" has the meaning ascribed to the term
"partner nonrecourse debt" in Treasury Regulation Section 1.704-2(b)(4), and
generally means any nonrecourse debt of the Company for which any Member
bears the economic risk of loss (such as a nonrecourse loan to the Company by
a Member or certain Affiliates of a Member).

"Member Nonrecourse Deduction" has the meaning ascribed to the term
"partner nonrecourse deduction" in Treasury Regulation Section 1.704-2(i)(2).
The amount of the Member Nonrecourse Deductions with respect to a Member
Nonrecourse Debt for a Company fiscal year equals the net increase, if any,
in the amount of Member Minimum Gain attributable to such Member Nonrecourse
Debt during that fiscal year, reduced (but not below zero) by the aggregate
amount of any distributions during that fiscal year to the

Member that bears the economic risk of loss for such Member Nonrecourse Debt
to the extent such distributions are from the proceeds of such Member
Nonrecourse Debt and are allocable to an increase in Member Minimum Gain
attributable to such Member Nonrecourse Debt.

"Mobile Wireless Services" shall mean mobile wireless Company
Communications Services (including the transmission of voice, data, image or
other messages or content) provided solely within the Territory, initiated or
terminated using TDMA or analog cellular technology and on frequencies in the
800 MHz band authorized for the Cellular Radiotelephone Service under Part 22
of the FCC Rules or in the 1900 MHz band authorized for the Personal
Communications Services under Part 24 of the FCC Rules, to or from subscriber
equipment that is capable of usage during routine movement throughout the
area covered by a cell site and routine handing-off between cell sites, and
is either intended for such usage or is temporarily fixed to a specific
location on a short-term basis (e.g., a bank of wireless telephones
temporarily installed during a special event of limited duration). Without
limiting the foregoing, Mobile Wireless Services shall include wireless
office services if such services comply with this definition. Mobile Wireless
Services shall also include the transmissions between the Company's cell
sites and the Company's switch or switches in the Territory, the handing-off
of transmissions at the Company's switch or switches for termination by other
carriers, and the receiving of transmissions for the Company's customers
handed-off at the Company's switch or switches which were originated on the
system or systems of other carriers, in each case for the purpose of
facilitating Mobile Wireless Services described in the first sentence.

"Nonrecourse Deductions" has the meaning set forth in Treasury
Regulation Section 1.704-2(c). The amount of Nonrecourse Deductions for a
fiscal year equals the net increase, if any, in the amount of Company Minimum
Gain during that fiscal year, reduced (but not below zero) by any Nonrecourse
Distributions during such year.

"Nonrecourse Distributions" means the aggregate amount, as
determined in accordance with Treasury Regulation Section 1.704-2(c), of any
distributions during the fiscal year of proceeds of a nonrecourse liability,
as defined in Treasury Regulation Section 1.704(b)(3), that are allocable to
an increase in Company Minimum Gain.

"Offer" is defined in Section 9.2(a).

"Offer Notice" is defined in Section 9.2(a).

"Offered Interests" is defined in Section 9.2(a).

"Offeror" is defined in Section 9.2(a).

"Operating Agreement" means the Operating Agreement, dated as of
the date hereof, among the Company, AWS and DCC, as the same may be amended
in accordance herewith and therewith.

"Parent" means, with respect to a specified entity, a Person or
group of which the specified entity is a Subsidiary.

"PCS" means the Personal Communications Services regulated under
Part 24 of the FCC Rules.

"PCS System" means a wireless communications system constructed and
operated in a Basic Trading Area or Major Trading Area as defined by
▇▇▇▇-▇▇▇▇▇▇▇ and modified by the FCC (or any territorial designations or
subdivision thereof authorized by the FCC) exclusively using frequencies in
the 1900 MHz band allocated for the broadband Personal Communications Service
under Part 24 of the FCC Rules, pursuant to a License therefor issued by the
FCC.

"Person" means any individual, corporation, partnership, firm,
joint venture, limited liability company, limited liability partnership,
association, joint stock company, trust, estate, incorporated or
unincorporated organization, Governmental Authority or other entity.

"Pops" means with respect to any licensed area, the residents of
such area based on the most recent publication by Equifax Marketing Decision
Systems, Inc. or any other publication as determined by the Management
Committee.

"Private Transferee" means a Person that acquires Economic
Interests from a Member in compliance with this Agreement, other than
pursuant to a broadly distributed underwritten registered public offering or
Rule 144 under the Securities Act, and that is not a member of an Affiliate
Group immediately prior to such acquisition.

"Profits and Losses" means, for each fiscal year or part thereof,
the Company's taxable income or loss for such year determined in accordance
with Section 703(a) of the Code (for this purpose, all items of income, gain,
loss and deduction required to be stated separately pursuant to Section
703(a)(1) of the Code shall be included in taxable income or loss) with the
following adjustments:

(i) any income of the Company that is exempt from federal
income tax shall be added to such taxable income or loss;

(ii) any expenditures of the Company described in Section
705(a)(2)(B) of the Code or treated as such pursuant to Treasury Regulation
Section 1.704-1(b)(2)(iv)(i) shall be subtracted from such taxable income
or loss in determining Profits or Losses;

(iii) in lieu of the depreciation, amortization and other cost
recovery deductions taken into account in computing such taxable income or
loss, Depreciation for such fiscal year shall be taken into account in
determining Profits or Losses;

(iv) if the Book Value of any Company asset is adjusted
pursuant to clause (ii) or clause (iii) of the definition of Book Value,
the amount of such adjustment shall be taken into account as gain or loss
from the disposition of such asset in determining Profits or Losses; and

(v) in no event shall adjustments made solely by reason of
Section 3.1(c)(iii), Section 4.3, Section 4.4, Section 4.5 or Section 4.6
be taken into account in determining Profits or Losses.

"Prohibited Transferee" means any Person or group (as such term is
used in Sections 13(d) and 14(d) of the Exchange Act and the regulations
thereunder) or Affiliate thereof (other than AWS and its Affiliates) that (a)
is one of the five largest providers of wireless Telecommunications Services
(based on revenue derived from the provision of such wireless
Telecommunications Services during the most recent fiscal year preceding the
applicable Transfer for which such information is available) in the United
States or a company whose annual gross revenues from Telecommunications
Services (during the most recent fiscal year for which such information is
available) exceed $2 billion or (b) provides Company Communications Services
in service areas in the United States covering more than five million Pops.

"Qualified Member" means each of (i) the members of the AWS Member
Group that are members of the AWS Affiliate Group, so long as the AWS Member
Group is a Qualified Member Group and (ii) the members of the DCC Member
Group that are members of the DCC Affiliate Group, so long as the DCC Member
Group is a Qualified Member Group.

"Qualified Member Group" means each of (i) the AWS Member Group as
long as members of the AWS Affiliate Group that are members of the AWS Member
Group retain in the aggregate 100% of the Voting Interests, and at least 80%
of the Economic Interests, that AWS Sub acquired on the Effective Date and
(ii) the DCC Member Group as long as members of the DCC Affiliate Group that
are members of the DCC Member Group retain in the aggregate 100% of the
Voting Interests, and at least 80% of the Economic Interests, that DCC Sub
acquired on the Effective Date.

"Related Agreements" means the Long Distance Agreement, the
Operating Agreement, any Resale Agreement and the Management Agreement.

"Representative" is defined in Section 7.1(a).

"Resale Agreement" means a Resale Agreement, if any, entered into
between the Company and DCC pursuant to Section 8.1(a).

"Response" is defined in Section 8.11(c).

"RoFR Closing" is defined in Section 9.2(b).

"Section 9.9(a) Notice" is defined in Section 9.9(a).

"Section 9.9(b) Notice" is defined in Section 9.9(b).

"Section 9.9(c) Notice" is defined in Section 9.9(c).

"Section 9.10 Election" is defined in Section 9.10.

"Securities Act" means the Securities Act of 1933, as amended.

"Sellers" is defined in Section 9.2(a).

"Selling Group" is defined in Section 9.2(a).

"Senior Party Representatives" is defined in Section 8.11(b).

"Significant Matter" means, subject to Section 9.8(a)(iii), any of the
following:

(1) The sale, transfer, assignment or other disposition of any
material portion of the assets of the Company or any of its Subsidiaries
other than in the ordinary course of business;

(2) The merger, combination or consolidation of the Company or any
of its Subsidiaries with or into any entity other than the Company or a
wholly owned Subsidiary of the Company, regardless of whether the Company
or any such Subsidiary is the surviving entity in any such merger,
combination or consolidation; the acquisition of any businesses or assets
for consideration in excess of $1,000,000 by the Company; the formation of
any partnership or joint venture involving the Company; or the liquidation,
dissolution or winding up of the Company or any of its Subsidiaries (other
than the liquidation of a Subsidiary of the Company into the Company or
another Subsidiary of the Company);

(3) Any offering or issuance of securities or ownership interests
in the Company or any of its Subsidiaries, including, without limitation,
warrants, options or other rights convertible into or exchangeable for
securities or ownership interests in the Company or any of its
Subsidiaries, or the declaration of any dividends thereon;

(4) The repurchase by the Company or any of its Subsidiaries of any
securities or ownership interests in the Company or any of its
Subsidiaries, including, without limitation, warrants, options or other
rights convertible into or exchangeable for securities or ownership
interests in the Company or any of its Subsidiaries;

(5) The authorization or adoption of any amendment to the
certificate of formation, limited liability company agreement or any other
constituent document of the Company or any of its Subsidiaries, or the
conversion of the Company to a corporation (other than pursuant to an
election to effect an IPO in accordance with Section 8.10);

(6) If the Company is not managed by an Affiliate of DCC, the
hiring or termination of any executive officer of the Company;

(7) The approval of, or material amendment to, the initial
three-year budget, and any annual or other operating or capital budget, of
the Company or any of its Subsidiaries;

(8) The incurrence by the Company or any of its Subsidiaries,
whether directly or indirectly, of any indebtedness for borrowed money or
capital leases in any calendar quarter in excess of $1,000,000 unless
specifically provided for in any budget approved by the Management
Committee;

(9) Any agreement or arrangement, written or oral, to pay any
director, officer, agent or employee of the Company or any of its
Subsidiaries $200,000 or more on an annual basis; or any loan, lease,
contract or other transaction with any employee of the Company or any of
its Subsidiaries with an annual salary in excess of $200,000, or with any
Representative or officer of the Company or any member of any such Person's
Immediate Family, unless specifically provided for in any budget approved
by the Management Committee;

(10) The making of, or commitment to make, any capital expenditures
involving a payment or liability in any one year of $1,000,000 or more in
the aggregate by the Company or any of its Subsidiaries, in each case other
than as provided for in any budget approved by the Management Committee;

(11) The initiation of any bankruptcy proceeding, dissolution or
liquidation of the Company or any of its Subsidiaries;

(12) Any agreement or commitment by the Company or any of its
Subsidiaries (w) not to compete with any other Person, (x) not to solicit
any other Person's business or customers, (y) not to solicit or hire any
other Person's employees, or (z) to use any other Person's trademarks or
services marks in its business, or to license or otherwise make available
any of its trademarks or service marks to any other Person for any purpose;

(13) The provision by the Company or any of its Subsidiaries of
Company Communications Services that are not Mobile Wireless Services;

(14) The assertion by the Company of a position with respect to any
material matter, or the disagreement by the Company with a position taken
with respect to any material matter by a Member or any other Person, before
the FCC or any other Governmental Authority, a self-regulatory body, any
industry organization or in any other public forum;

(15) The acquisition or disposition of any License issued by the
FCC;

(16) Except as otherwise provided herein or therein, any amendment,
modification, renewal or termination of any of the Related Agreements; and

(17) The entering into any contract, agreement or commitment to do
any of the foregoing.

"Specified Restrictions" is defined in Section 9.4.

"Subsidiary" means, with respect to any Person, a corporation or
other entity of which 50% or more of the voting power of the Voting
Securities or equity interests is owned, directly or indirectly, by such
Person.

"Tax Matters Partner" is defined in Section 6.5(d).

"TDMA" means the North American Time Division Multiple Access
standard set by the Telecommunications Industry Association, IS-54/136, and
any standard that is based upon, or is an upgrade from, or is a successor to,
such standard, and is adopted by AWS Sub and its Affiliates in a majority of
their network nodes.

"TDMA Quality Standards" means the quality standards applicable to
PCS Systems and Cellular Systems that utilize TDMA and that are owned and
operated by AT&T and its Affiliates, which will be set forth in a schedule to
the Operating Agreement, as the same may be amended from time to time,
provided any such amended standards shall become effective 120 days after
notice thereof is given to the Company and DCC.

"Telecommunications Services" means the offering of
telecommunications services for a fee directly to the public, or to such
classes of users as to be effectively available directly to the public,
regardless of the facilities used. The term "telecommunications" means the
transmission, between or among points specified by the user of information of
the user's choosing.

"Territory" means, subject to Section 8.12, the geographic
territory set forth on Schedule III hereto.

"Transfer" means assign, bequeath, convey, create or suffer to
exist a Lien upon, encumber, gift, grant, hypothecate, issue, mortgage, place
in trust, pledge, sell, transfer or otherwise dispose of, in each case
whether directly or indirectly, voluntarily or

involuntarily (including by testamentary or intestate succession), by
operation of law or otherwise.

"Treasury Regulations" means regulations issued by the Treasury
Department pursuant to the Code.

"Voting Interest" means the right of a Member to exercise
governance rights with regard to the Company (including the right to appoint
Representatives to the Member Committee). The term "Voting Interest"
specifically excludes Economic Interest.

"Voting Securities" means equity securities of a Person having the
right to vote generally in the election of the directors (or persons
performing equivalent functions) of such Person.

ARTICLE 2

ORGANIZATION

2.1 NAME. The name of the Company shall be ACC Acquisition LLC.
The name of the Company may be changed from time to time by the Management
Committee with notice to the Members.

2.2 PRINCIPAL PLACE OF BUSINESS. The Company's principal office
and place of business shall be located in Oklahoma City, Oklahoma. The
principal office and place of business may be changed from time to time, and
other offices and places of business may be established from time to time,
both within and without the State of Delaware, by the Management Committee
with notice to the Members.

2.3 REGISTERED OFFICE; REGISTERED AGENT. The address of the
registered office of the Company in the State of Oklahoma shall be ▇▇▇▇▇
▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇ or such other address
as the Management Committee may determine. The registered agent for service
of process on the Company in the State of Oklahoma shall be ▇▇▇▇▇▇▇ ▇.
▇▇▇▇▇▇, or such other agent as the Management Committee may determine. The
name and address of the registered agent for service of process on the
Company in the State of Delaware shall be Corporation Service Company, ▇▇▇▇
▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇.

2.4 TERM. The term of the Company commenced on September 15, 1999
and, unless terminated in accordance with this Agreement, shall be perpetual.

2.5 PURPOSE AND POWERS.

(a) The purposes of the Company are to (i) establish and conduct
the Business; (ii) enter into the Related Agreements to which the Company is a
party; and (iii) do any and all things reasonably necessary or advisable in
connection with the foregoing. The

Company shall have the power and authority to take any and all actions
necessary or advisable to or for the furtherance of said purposes.

(b) The foregoing provisions of this Section 2.5 shall not be
construed to authorize the Company to, and the Company shall not, and the
Members agree that the Company shall not, engage in any activities other than
the foregoing (and in particular expand or change the scope of the Business
beyond that contemplated by the definition thereof) without the consent of
the Management Committee.

2.6 FILINGS. The Management Committee shall cause to be
executed, filed and published all such certificates, notices, statements or
other instruments, and amendments thereto under the laws of the State of
Delaware and other applicable jurisdictions as the Management Committee may
deem necessary or advisable for the operation of the Company.

2.7 SOLE AGREEMENT. The parties intend that their obligations
to each other with respect to the Company and the scope of their joint
enterprise be as set forth in this Agreement and the Related Agreements, and
that no further authority to bind the other or the Company or any liabilities
to each other or any third party be inferred from the relationships described
in such agreements.

ARTICLE 3

CAPITALIZATION

3.1 CAPITAL ACCOUNTS.

(a) ESTABLISHMENT. A separate capital account ("Capital
Account") is hereby established for each Member as of the Effective Date.

(b) GENERAL RULES FOR ADJUSTMENT OF CAPITAL ACCOUNTS. The
Capital Account of each Member shall be:

(i) increased by:

(A) the aggregate amount of such Member's cash contributions
to the Company;

(B) the initial Book Value of property contributed by such
Member to the Company, net of liabilities secured by
such property that the Company is considered to assume
or take subject to Code Section 752 of the Code and the
Treasury Regulations promulgated thereunder; and

(C) such Member's distributive share of Profits and items of
income and gain allocated to such Member pursuant to
Section 3.1(c)(iii) or Section 4.3; and

(ii) decreased by:

(A) cash distributions to such Member from the Company;

(B) the Book Value of property distributed in kind to such
Member, net of liabilities secured by such property that
such Member is deemed to assume or take subject to
Section 752 of the Code and the Treasury Regulations
promulgated thereunder; and

(C) such Member's distributive share of Losses and items of
loss or deduction allocated to such Member pursuant to
Section 3.1(c)(iii) or Section 4.3.

(i) TIME OF ADJUSTMENT FOR CAPITAL CONTRIBUTIONS. For purposes of
computing the balance in a Member's Capital Account, no credit shall be
given for any capital contribution which such Member is obligated to make
until such contribution is actually made.

(ii) CAPITAL ACCOUNT FOR TRANSFERRED INTEREST. If any Interest in
the Company or part thereof is Transferred in accordance with the terms of
this Agreement, the transferee shall succeed to the Capital Account of the
transferor to the extent it relates to the Transferred Interest.

(iii) INTENT TO COMPLY WITH TREASURY REGULATIONS. The foregoing
provisions and the other provisions of this Agreement relating to the
maintenance of Capital Accounts are intended to comply with Treasury
Regulation Section 1.704-1(b), and shall be interpreted and applied in a
manner consistent with such regulation. To the extent the provisions of
this Agreement are inconsistent with such regulation or are incomplete with
respect thereto, the Capital Accounts of the Members shall be maintained in
accordance with such regulation except to the extent that doing so would
materially distort the timing or amount of an allocation or distribution to
a Member.

3.2 CAPITAL CONTRIBUTIONS.

(a) On the Effective Date, each of AWS Sub and DCC Sub shall
contribute $372.5 million in cash to the capital of the Company, and the Company
shall accept such capital contributions. After giving effect to such capital
contributions, AWS Sub

and DCC Sub shall each own 50% of the Economic Interests and 50% of the
Voting Interests.

(b) No Member shall be required or permitted to make any
additional capital contributions to the Company without the unanimous
approval of the Management Committee.

3.3 NO WITHDRAWALS. Except as expressly set forth herein, no
Member shall be entitled to withdraw any portion of its capital contribution
or Capital Account balance.

3.4 NO INTEREST. Except as expressly set forth herein, no
Member shall be entitled to receive any interest on its capital contribution
or Capital Account balance.

ARTICLE 4

PROFITS AND LOSSES

4.1 PROFITS. Except as provided in Sections 4.2 through 4.4,
Profits and Losses with respect to any fiscal year shall be allocated to the
Members in accordance with their respective Economic Interests.

4.2 LIMITATION ON LOSSES. Losses allocated to any Member
pursuant to Section 4.1 with respect to any fiscal year shall not exceed the
maximum amount of Losses that may be so allocated without causing such Member
to have an Adjusted Capital Account Deficit at the end of such fiscal year.
All Losses in excess of the limitation set forth in this Section 4.2 shall be
allocated: first, to the Members that will not be subject to this limitation,
ratably based on the aggregate of their Economic Interests, to the extent
possible until such Members become subject to this limitation; and any
remaining amount, to the Members, ratably based on their Economic Interests,
unless otherwise required by the Code or Treasury Regulations. To the extent
that any Member receives an allocation of Losses pursuant to this Section
4.2, such Member shall receive a priority allocation of Profits (prior to an
allocation of Profit made pursuant to Section 4.1) in the reverse order of
such Loss allocations in order to reverse the effect of this Section 4.2.

4.3 SPECIAL ALLOCATIONS. The following special allocations
shall be made for any fiscal year of the Company in the following order of
priority:

(a) MINIMUM GAIN CHARGEBACK. Notwithstanding any other
provision of this Article 3, if there is a net decrease in Company Minimum
Gain during any fiscal year, each Member shall, subject to the exceptions
provided in Treasury Regulation Section 1.704-2(f), be specially allocated
items of income and gain for such fiscal year (and, if necessary, subsequent
fiscal years) equal to such Member's share of the net decrease in Company
Minimum Gain within the meaning of Treasury Regulation Section 1.704-2(g)(2).

Allocations pursuant to the previous sentence shall be made in proportion to
the respective amounts required to be allocated to each Member pursuant
thereto. The items to be so allocated shall be determined in accordance with
Treasury Regulation Sections 1.704-2(6) and 1.704-2(i)(2). To the extent
that this Section 4.3(a) is inconsistent with Treasury Regulation Section
1.704-2(f), the Minimum Gain Chargeback provided for herein shall be applied
and interpreted in accordance with such Treasury Regulation.

(b) MEMBER MINIMUM GAIN CHARGEBACK. If there is a net decrease
in Member Minimum Gain attributable to a Member Nonrecourse Debt during any
Company fiscal year, within the meaning of Treasury Regulation Sections
1.704-2(i)(3) and 1.704-2(k), each Member that, as of the beginning of such
year, has a share of the Member Minimum Gain attributable to such Member
Nonrecourse Debt, determined in accordance with Treasury Regulation Section
1.704-2(i)(5), shall be specially allocated items of income and gain for such
fiscal year (and, if necessary, subsequent fiscal years) in an amount equal
to such Member's share of the net decrease in Member Nonrecourse Debt
determined in accordance with Treasury Regulation Section 1.704-2(i)(4).
Allocations pursuant to the previous sentence shall be made in proportion to
the respective amounts required to be allocated to each Member pursuant
thereto. The items to be so allocated shall be determined in accordance with
Treasury Regulation Sections 1.704-2(i)(4) and 1.704-2(i)(2). To the extent
that this Section 4.3(b) is inconsistent with Treasury Regulation Section
1.704-2(i), the Member Minimum Gain chargeback provided for herein shall be
applied and interpreted in accordance with such regulation.

(c) QUALIFIED INCOME OFFSET. Subject to Section 4.3(a) and
Section 4.3(b), notwithstanding anything herein to the contrary, but only if
required by Treasury Regulation Section 1.704-1(b) in order for the
allocations provided for herein to be considered to have substantial economic
effect or to be deemed to be in accordance with the Member's Interests, if,
for any fiscal year, a Member unexpectedly receives an adjustment, allocation
or distribution described in Treasury Regulation Sections
1.704-1(b)(2)(ii)(d)(4), (5) or (6), and such adjustment, allocation or
distribution causes or increases an Adjusted Capital Account Deficit with
respect to such Member, such Member shall be allocated items of income and
gain (consisting of a pro rata portion of each item of Company income,
including gross income and gain) in the amount and manner sufficient to
eliminate such Adjusted Capital Account Deficit as quickly as possible. This
Section 4.3(a) is intended to comply with Treasury Regulation Section
1.704-1(b)(2)(ii)(d) and shall be interpreted consistently therewith.

(d) NONRECOURSE DEDUCTIONS. Nonrecourse Deductions shall be
allocated to the Members in accordance with their respective Economic
Interests.

(e) MEMBER NONRECOURSE DEDUCTIONS. Any Member Nonrecourse
Deductions for any fiscal year or other period shall be allocated to the
Member that bears the economic risk of loss with respect to the Member
Nonrecourse Debt which such Member Nonrecourse Deductions are attributable in
accordance with Treasury Regulation Section 1.704-2(i).

4.4 CURATIVE ALLOCATIONS. The allocations set forth in Sections
4.3(a) through 4.3(e) are intended to comply with certain regulatory
requirements under Section 704(b) of the Code. The Members intend that, to
the extent possible, all allocations made pursuant to such Sections will,
over the term of the Company, be offset either with other allocations
pursuant to Section 4.3 or with special allocations of other items of Company
income, gain, loss, or deduction pursuant to this Section 4.4. Accordingly,
the Management Committee is hereby authorized and directed to make offsetting
allocations of Company income, gain, loss or deduction under this Section 4.4
in whatever manner the Management Committee determines is appropriate so that
after such offsetting special allocations are made (and taking into account
the reasonably anticipated future allocations of income and gain pursuant to
Section 4.3(a) and Section 4.3(b)) the Capital Accounts of the Members are,
to the extent possible, equal to the Capital Accounts each would have if the
provisions of Section 4.3 were not contained in this Agreement and all
income, gain, loss and deduction of the Company were instead allocated
pursuant to Section 4.1 and Section 4.2.

4.5 ALLOCATION OF CREDITS. All tax credits shall be allocated
among the Members in accordance with their respective Interests or in
accordance with applicable provisions of the Code or Treasury Regulations to
the extent any such provision is inconsistent with such allocation.

4.6 TAX ALLOCATIONS.

(a) CONTRIBUTED PROPERTY. In the event any property is
contributed to the capital of the Company, income, gain, loss and deduction
with respect to such property shall be allocated solely for tax purposes
among the Members in accordance with Section 704(c) of the Code and Treasury
Regulation Section 1.704-3 so as to take account of any variation between the
adjusted basis of such property to the Company for federal income tax
purposes and its Book Value. Prior to the contribution of any property to the
Company that has a Fair Market Value that differs from its adjusted tax basis
in the hands of the contributing Member on the date of contribution, the
contributing Member and the Management Committee shall agree upon the
allocation method to be applied with respect to that property under Treasury
Regulation Section 1.704-3, which allocation method shall be set forth on
attached Schedule 4.6, as amended from time to time.

(b) REVALUED PROPERTY. If the Company assets are revalued as
set forth in the definition of "Book Value," subsequent allocations of
income, gain, loss and deduction with respect to revalued Company assets
shall take into account any variation between the adjusted basis of such
assets for federal income tax purposes and their adjusted value in the same
manner as under Section 704(c) of the Code and in compliance with Treasury
Regulation Section 1.704-3. All decisions regarding the choice of allocation
method under Treasury Regulation Section 1.704-3 with respect to revalued
Company assets shall be made by the Management Committee.

4.7 CHANGE IN MEMBER'S INTERESTS. In the event there is any
change in the Members' respective Economic Interests during any fiscal year,
Profits, Losses, Nonrecourse

Deductions and other items shall be allocated among the Members in accordance
with their respective Economic Interests from time to time during such fiscal
year in accordance with Section 706 of the Code, using any convention
permitted by law and selected by the Management Committee.

ARTICLE 5
DISTRIBUTIONS

5.1 DISTRIBUTABLE CASH. It shall be the policy of the Company,
and the Members shall direct their respective Representatives on the
Management Committee to cause the Company, to distribute Distributable Cash
to the Members quarterly. Any distributions of such Distributable Cash shall
be made to the Members in accordance with their respective Economic
Interests. Notwithstanding the foregoing or any other provision of this
Agreement to the contrary, the Company, and the Members, Management Committee
and Representatives on behalf of the Company, shall not be required to make
any distribution to any Member on account of such Member's interest in the
Company if such distribution would violate the Act or other applicable law.

5.2 LIQUIDATING DISTRIBUTIONS. Distributions to the Members of
cash or property in connection with a dissolution of the Company shall be
made in accordance with the Capital Account balances of the Members, as
provided in Section 10.3(d)(ii).

5.3 OTHER DISTRIBUTIONS. No Member shall be entitled to receive
any distribution from the Company without the consent of the Management
Committee or as otherwise provided in Section 5.1 or 10.3(d).

ARTICLE 6
ACCOUNTING AND RECORDS

6.1 FISCAL YEAR. The fiscal year of the Company shall be the
year ending December 31.

6.2 METHOD OF ACCOUNTING. Unless otherwise provided herein, the
Company books of account shall be maintained in accordance with GAAP;
provided that for purposes of making allocations with respect to items of
Company income, gain, deduction, loss and credit to the Members, such items
shall be allocated to the Members' Capital Accounts pursuant to Article 4 and
as required by Section 704 of the Code and the Treasury Regulations
promulgated thereunder.

6.3 BOOKS AND RECORDS; INSPECTION.

(a) BOOKS OF ACCOUNT AND RECORDS. Proper and complete records
and books of accounts of the Company business for tax and financial purposes,
including all such transactions and other matters as are usually entered into
records and books of account maintained by Persons engaged in businesses of
like character or as are required by law, shall be kept by the Company at the
Company's principal office and place of business. The Management Committee
may delegate to a third party or any Member the duty to maintain and oversee
the preparation and maintenance of such records and books of account. Books
and records maintained for financial purposes shall be maintained in
accordance with GAAP, and books and records maintained for tax purposes shall
be maintained in accordance with the Code and applicable Treasury Regulations.

(b) INSPECTION. All records and documents described in Section
6.3(a) shall be open to inspection and copying by any of the Members or their
Representatives or agents, subject to applicable confidentiality
restrictions, at any reasonable time during normal business hours.
Notwithstanding anything in the Act or this Agreement to the contrary, the
Members and the Representatives shall not have the right to keep confidential
from any other Member or Representative, in their capacities as such, any
information of the Company.

6.4 FINANCIAL STATEMENTS. Within 120 days after the end of each
fiscal year, and 60 days after the end of each calendar quarter, the
Management Committee shall cause to be furnished to each Member financial
statements with respect to such fiscal year or quarter of the Company,
consisting of (i) a balance sheet showing the Company's financial position as
of the end of such fiscal year or quarter, (ii) supporting profit and loss
statements, (iii) a statement of cash flows for such year or quarter and (iv)
Member's Capital Accounts, provided that prior to such dates the Company
shall provide to each Member on a timely basis such financial information as
may be required to permit each Member Group to prepare its annual and
quarterly financial reports. The annual financial statements of the Company
shall, unless the Members determine otherwise by unanimous consent, be
audited (which audit shall be conducted in accordance with GAAP) and
certified by an independent firm of certified public accountants selected by
the Management Committee or the Members (which firm may be the firm regularly
engaged by any one or more of the Members). The Members hereby designate and
appoint the firm of ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇, LLP as the Company's independent public
accountants, such designation and appointment to remain effective until
terminated by the Management Committee and appointment of replacement
independent public accountants. Each Member shall receive a copy of all
material financial reports and notices delivered by the Company to any third
party pursuant to any other agreement. The Company shall also produce and
distribute to all Members monthly revenue, operating expense and capital
expenditure reports and such other financial statements as the Management
Committee reasonably determines.

6.5 TAXATION.

(a) STATUS OF THE COMPANY. The Members acknowledge that this
Agreement creates a partnership for federal income tax purposes.
Furthermore, the Members hereby agree not to elect to be excluded from the
application of Subchapter K of Chapter 1 of Subtitle A of the Code or any
similar state statute.

(b) TAX ELECTIONS AND REPORTING.

(i) GENERALLY. The Company shall make the following elections
and take the following positions under United States income tax laws and
Treasury Regulations and any similar state laws and regulations:

(A) Adopt the year ending December 31 as the annual
accounting period (unless otherwise required by the Code
and Treasury Regulations);

(B) Adopt the accrual method of accounting;

(C) Insofar as permissible, report the Company's tax
attributes and results using principles consistent with
those assumed in connection with entering into this
Agreement; and

(D) Have the Company treated as a partnership for federal
income tax purposes in a manner consistent with Treasury
Regulation Section 1-7701.

(ii) CODE SECTION 754 ELECTION. The Management Committee shall,
upon the written request of any Member, cause the Company to file an
election under Section 754 of the Code and the Treasury Regulations
promulgated thereunder to adjust the basis of the Company's assets under
Sections 734(b) or 743(b) of the Code and a corresponding election under
the applicable sections of state and local law.

(c) COMPANY TAX RETURNS. The Tax Matters Partner will prepare
or cause to be prepared the domestic and foreign tax returns and information
returns for the Company at no charge to the Company, except for all
reasonable out-of-pocket expenses (including accounting fees, if any).
Either Member may, at its own expense, engage a third party to review the tax
returns and information returns prepared by the Tax Matters Partner pursuant
to the preceding sentence. Any and all other tax returns shall be prepared
in a manner directed by the Tax Matters Partner consistent with the terms of
this Agreement. Each Member shall provide such information, if any, as may be
reasonably requested by the Company for purposes of preparing such tax and
information returns. The Company shall use its best efforts to (i) cause
copies of all tax returns to be submitted to each Member 30 days before the
date due, including extensions and (ii) deliver to each Member within 90

days after the end of each taxable year any additional information in the
possession of the Company that the Members may require for the preparation of
their own income tax returns.

(d) TAX AUDITS. DCC Sub, so long as it is a Qualified Member
(or, from and after a Change of Control of DCC, AWS Sub, so long as it is a
Qualified Member) shall be the "tax matters partner" of the Company, as that
term is defined in Section 6231(a)(7) of the Code (the "Tax Matters
Partner"), with all of the rights, duties and powers provided for in sections
6221 through 6232, inclusive, of the Code, provided that the Tax Matters
Partner shall not pay or agree to pay any audit assessment, or any amount in
settlement or compromise of any litigation, in respect of income tax
liability of the Members attributable to the Interests in the Company, in
excess of $500,000 in any one instance or series of related instances, unless
approved by the Management Committee. The Tax Matters Partner, as an
authorized representative of the Company, shall direct the defense of any tax
claims made by the Internal Revenue Service or any other taxing jurisdiction
to the extent that such claims relate to adjustment of Company items at the
Company level and, in connection therewith, shall retain and cause the
Company to pay the fees and expenses of counsel and other advisors chosen by
the Tax Matters Partner. The Tax Matters Partner shall also be responsible
for filing a timely election on Form 8832 and for timely filing for all other
elections made by the Company. The Tax Matters Partner shall deliver to each
Member and the Management Committee a semi-annual report on the status of all
tax audits and open tax years relating to the Company, and shall consult with
and keep all Members and the Management Committee advised of all significant
developments in such matters coming to the attention of the Tax Matters
Partner. All reasonable expenses of the Tax Matters Partner and its
Affiliates (including reasonable internal time charges and reasonable
disbursements) and other reasonable fees and expenses in connection with such
defense shall be borne by the Company. Except as provided in Article 11,
neither the Tax Matters Partner nor the Company shall be liable for any
additional tax, interest or penalties payable by a Member or any costs of
separate counsel chosen by such Member to represent the Member with respect
to any aspect of such defense.

ARTICLE 7
MANAGEMENT

7.1 MANAGEMENT COMMITTEE. The property, business and affairs of
the Company shall be managed by or under the direction of a Management
Committee (the "Management Committee"). In addition to the powers and
authorities by this Agreement expressly conferred upon it, the Management
Committee may exercise all such powers of the Company and do all such lawful
acts and things as are not by statute or by this Agreement directed or
required to be exercised or done by the Members. Except as determined by the
Management Committee pursuant to this Article 7 or otherwise pursuant to this
Agreement, no Member or Representative shall have any right or authority to
take any action on behalf of the Company with respect to third parties or to
bind the Company.

(a) NUMBER OF REPRESENTATIVES. The Management Committee shall
consist of four individuals (each, a "Representative"). So long as the AWS
Member Group is a Qualified Member Group, except as otherwise provided in
Section 8.12, AWS Sub (or another Member designated by a majority in Voting
Interests of the AWS Member Group) shall have the right to appoint two
Representatives, each of whom shall be employees of AWS or its Affiliates.
So long as the DCC Member Group is a Qualified Member Group, except as
otherwise provided in Section 9.8(a)(ii), DCC Sub (or another Member
designated by a majority in Voting Interests of the DCC Member Group) shall
have the right to appoint two Representatives, each of whom shall be
employees of DCC or its Affiliates. If a Member Group loses the right to
appoint two Representatives, the size of the Management Committee shall be
reduced to two members, who shall be appointed by the other Member Group.
The Representatives shall not be "managers" of the Company as such term is
used in the Act.

(b) INITIAL REPRESENTATIVES. The initial Representatives are:

DCC Member Group: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇

AWS Member Group: ▇▇▇ ▇▇▇▇▇
▇▇▇ ▇▇▇▇▇▇▇▇▇

(c) VACANCIES. Each Representative shall hold office until
death, resignation or removal, with or without cause, by the Member Group
which appointed such Representative. If a vacancy occurs on the Management
Committee, the Member Group that appointed the vacating Representative shall
(so long as such Member Group has not lost the right to appoint two
Representatives pursuant to Section 7.1(a)) appoint such Representative's
successor.

7.2 MEETINGS OF MANAGEMENT COMMITTEE.

(a) REGULAR MEETINGS. The Management Committee shall meet at
least four times per year. Such meetings shall be held on such dates and at
such times and places as may be determined by the Representatives.

(b) SPECIAL MEETINGS. A special meeting of the Management
Committee or the Members shall be held at the request of any Representative.
Such meeting shall be held on the date and at the time and place set forth in
the notice of meeting.

(c) TELEPHONIC MEETINGS. Any meeting of the Management
Committee or the Members may be held by conference telephone call or through
similar communications equipment by means of which all persons participating
in the meeting can hear and be heard by each other. Participation in such a
telephonic meeting shall constitute presence in person at such meeting.

(d) NOTICES. Notices of regular meetings and special meetings
of the Management Committee or the Members may be given by any
Representative, and shall state the date, hour and purpose of the meeting.
All such notices shall be accompanied by an agenda for the meetings, as well
as (to the extent practicable) the texts of all resolutions proposed to be
adopted at such meetings. No item may be discussed if not on the agenda
unless a quorum is present and the Representatives present waive notice of
the additional item(s). Notice of a regular or special meeting shall be given
by facsimile, confirmed by certified mail, return receipt requested not less
than 14 days (in the case of a regular meeting) or 72 hours (in the case of a
special meeting) before the date of the meeting to each Representative at the
facsimile number and address provided by the Representative to the Company
from time to time. Any Representative may waive, as to such Representative
only, in writing, the requirements for notice before, at or after a meeting.
Any Representative who attends a meeting without objecting at the meeting to
the Company's failure to comply with the notice requirements in respect of
such meeting shall be deemed to have waived such requirements.

(e) QUORUM. At each meeting of the Management Committee or the
Members, the presence in person or by telephone of at least one
Representative of each Member Group shall be necessary to constitute a quorum
for the transaction of business.

(f) WRITTEN CONSENTS. Any action required or permitted to be
taken at a meeting of the Management Committee or the Members may be taken
without a meeting, but upon the requisite notice as provided in paragraph (d)
above, if the requisite Representatives of each Member Group consent thereto
in writing, and if a complete and correct copy of such consent is promptly
delivered to all the Representatives of each Member Group following the
execution of any such consent.

7.3 ACTIONS BY MANAGEMENT COMMITTEE.

(a) SCOPE OF AUTHORITY. The Management Committee shall have
full power and authority to direct and control the business and affairs of
the Company except as otherwise required by applicable law, and subject to
the right of the Management Committee to delegate such power and authority to
Persons responsible for day-to-day operation of the Company (it being
understood that authority to undertake Significant Matters prior to approval
by the Management Committee shall not be so delegated).

(b) ACTIONS REQUIRING MANAGEMENT COMMITTEE APPROVAL. Without
limiting the generality of the foregoing, the following actions shall require
approval of the Management Committee:

(i) approving any Significant Matter;

(ii) approving or taking any action for which the approval or action
of the Company is required under the Related Agreements, except as the
Management Committee may otherwise delegate in accordance with paragraph
(a) above; and

(iii) approving any other matter that the Management Committee
determines shall require its approval as such items may be set forth on
Schedule 7.3(b) from time to time.

(i) Except as otherwise specifically provided herein, consent or
approval of the Management Committee shall mean the affirmative vote of a
majority of the representatives voting at a duly held meeting of the
Management Committee; provided, that with respect to any Significant
Matter, consent or approval of the Management Committee shall mean the
affirmative vote of all existing Representatives; provided, however, that
the Management Agreement may be terminated, and the Manager removed and
replaced, only in accordance with the terms thereof.

(ii) Each Representative shall be entitled to one vote on all
matters submitted to a vote of the Management Committee; provided, that if
one or more Representatives are absent or not appointed because of a
vacancy on the Management Committee or otherwise, then any other
Representative of such absent Representative's Member Group present at the
meeting shall have the right to cast the votes of such absent
Representative(s).

(iii) The Company shall provide each Representative with (A) adequate
notice (in light of the time frame in which approval is sought) of the
substance of any matter requiring the approval of the Management Committee
in order to afford such Representative sufficient time to review such
matter and the Company's analysis thereof and (B) an opportunity to consult
with the management of the Company regarding such matter and possible
alternatives prior to the meeting at which approval is sought; provided,
that any alleged noncompliance with the provisions of this paragraph (iii)
shall not affect the validity of any consent or approval pursuant to
paragraphs (i) and (ii) above.

(d) INITIAL BUDGET. The budget for the Company's first three
years of operations shall be approved by the Management Committee
simultaneously with the execution of this Agreement or promptly thereafter.

(e) ANNUAL BUDGETS. The Management Committee shall adopt an
annual budget for the operations of the Company, which budget shall be in at
least as much detail and cover the same matters as the initial budget. The
proposed budget shall be presented to the Management Committee no later than
60 days prior to the commencement of the fiscal year of the Company to which
it pertains. Any annual budget adopted by the Management Committee that
covers any period covered by the initial three-year budget shall replace the
initial three-year budget with respect to such period.

ARTICLE 8
OPERATING AGREEMENTS AND OTHER COVENANTS

8.1 LIMITED EXCLUSIVITY.

(a) Except as provided in connection with a Disqualifying
Transaction, so long as the Company continues to meet the TDMA Quality
Standards in all material respects in all of its markets, AT&T will not, and
will not cause its Affiliates to, construct, own or acquire a controlling
interest in, or manage a communications system which provides Mobile Wireless
Services in the Territory, in each case within five years after the Effective
Date, except that AT&T and its Affiliates may:

(i) resell, or act as the Company's agent for, Company
Communications Services provided by the Company in accordance with a
Resale Agreement (or any other agreement between AWS Sub and its
Affiliates, on the one hand, and the Company, on the other hand), and
provide Company Communications Services to its own customers under the
Operating Agreement (including AWS Sub and its Affiliates providing local
numbers in the Territory or otherwise providing numbers and service to
residents of the Territory), including bundling any such Company
Communications Services with other Telecommunications Services marketed,
offered and provided or resold by AWS Sub or any of its Affiliates;

(ii) provide or resell wireless Telecommunications Services to or
from specific locations (such as buildings or office complexes), even if
the subscriber equipment used in connection with such service may be
capable of routine movement within a limited area (such as a building or
office complex), and even if such subscriber equipment may be capable of
obtaining other Telecommunications Services beyond such limited area (which
other services may include routine movement beyond such limited area) and
hand-off between the service to such specific locations and such other
Telecommunications Services; provided, however, that if AT&T or any of its
Affiliates sells such Mobile Wireless Services subscriber equipment as part
of such offering such equipment shall be capable of use in obtaining (but
not necessarily on an exclusive basis) Company Communications Services;

(iii) continue to act as an agent for other Mobile Wireless Services
carriers in the Territory solely for existing national account customers
who are served by that carrier and request that they continue to receive
service from that carrier;

(iv) acquire a controlling interest in Tritel, Inc. or its
successors or assigns; provided, that at the time of such acquisition
Tritel, Inc. (or its successors or assigns) do not hold Licenses issued by
the FCC covering service areas within the Territory other than Licenses in
the service areas covered by the Licenses held by Tritel, Inc. on the
Effective Date that are listed on Schedule 8.1(a)(iv); and provided,
further, that

AT&T and its Affiliates will continue to be obligated to comply with their
obligations under Section 8.2; and

(v) take such action as may be necessary or advisable to comply
only to the extent required with the construction requirements of 47 CFR
24.203 in respect of the PCS licenses listed on Schedule 8.1(a)(v), and the
Company shall cooperate with AT&T and its Affiliates, at their request and
expense, in connection therewith.

(b) To the extent the "other Telecommunications Services"
referred to in Section 8.1(a)(ii) are classified as Mobile Wireless Services,
neither AT&T nor any of its Affiliates or any AT&T licensee may provide or
resell, or act as agent for any Person offering, such Mobile Wireless
Services except Mobile Wireless Services provided by the Company in
accordance with the terms of Section 8.1(a)(i) or pursuant to roaming
arrangements which comply with Section 8.2. Nothing herein shall be construed
to limit in any respect any advertising and promotional and similar
activities by AT&T or its Affiliates.

(c) The agreements set forth in this Section 8.1 will terminate
five years after the Effective Date, unless the parties agree to extend such
arrangements on mutually acceptable terms.

8.2 ROAMING PREFERENCE.

(a) For five years following the Effective Date, with respect to
the markets operated in the Territory, each of the Company and (except as
provided in connection with a Disqualifying Transaction) AT&T shall, and
shall cause each of its Affiliates to, in its and such Affiliates' capacity
as Home Carrier: (i) program and direct its authorized dealers to program the
subscriber equipment provided by it or such authorized dealers to its
customers, at the time it is provided to such customers (to the extent such
programming is technologically feasible) so that the Company or AT&T, as the
case may be, and such Affiliates, in its and such Affiliates' capacity as
Serving Carrier, is the preferred provider of roaming service in such
markets, and (ii) refrain, and direct its authorized dealers to refrain, from
inducing any of its customers to change or, except at such customer's request
in the event the quality of the Company's services do not meet the TDMA
Quality Standards, from changing the programming described in clause (i)
above.

(b) For five years following the Effective Date, with respect to
the markets operated in the Territory, each of the Company and DCC shall, and
shall cause each of its Affiliates (other than Logix Communications) to, in
its and such Affiliates' capacity as Home Carrier: (i) program and direct its
authorized dealers to program the subscriber equipment provided by it or such
authorized dealers to its customers, at the time it is provided to such
customers (to the extent such programming is technologically feasible) so
that the Company or DCC, as the case may be, and such Affiliates, in its and
such Affiliates' capacity as Serving Carrier, is the preferred provider of
roaming service in such markets, and (ii) refrain, and direct its authorized
dealers to refrain, from inducing any of its customers to change or, except
at such customer's request in the event the quality of the Company's services
do not

meet the TDMA Quality Standards, from changing the programming described in
clause (i) above.

(c) As used in this Section 8.2, the terms "Affiliate," "Home
Carrier" and "Serving Carrier" shall have the meanings ascribed thereto in
the Operating Agreement.

(d) The agreements set forth in this Section 8.2 will terminate
five years after the Effective Date, unless the parties agree to extend such
arrangements on mutually acceptable terms.

8.3 RESALE AND AGENCY AGREEMENTS.

(a) From time to time, upon the request of AWS Sub, the Company
shall enter into a Resale Agreement relating to the Territory with AWS Sub
and any of its Affiliates and, with respect to any geographic area within the
Territory, one other Person designated by AWS Sub, provided such other Person
is licensed to provide Telecommunications Services in such geographic area
under the service marks used by AWS and qualifies as a reseller under any
generally applicable standards the Company establishes for its resellers from
time to time, and upon the request of AWS, the Company shall enter into an
agency agreement authorizing AWS Sub and any of its Affiliates and, with
respect to any geographic area within the Territory, one other Person
designated by AWS Sub, provided such other Person is licensed to provide
Telecommunications Services in such geographic area under the service marks
used by AWS and qualifies as an agent under any generally applicable
standards the Company establishes for its agents from time to time. Any such
agency agreements shall provide that the Company shall pay the agent a
commission at the rate then generally offered to the Company's agents and
shall otherwise be on commercially reasonable terms. At no time shall there
be more than one Person (other than AWS Sub and its Affiliates) designated by
AT&T as a reseller or an agent with respect to any geographic area within the
Territory.

(b) It is the intention of the parties that, in light of AWS
Sub's equity interest in the Company and the other arrangements between AWS
Sub and its Affiliates and the Company (including the roaming revenues
anticipated to be earned by the Company from subscribers of AWS Sub and its
Affiliates), the rates, terms and conditions of Service (as defined in the
Resale Agreement) provided by the Company pursuant to the Resale Agreement or
any other agreement between AWS Sub or such other reseller and the Company
shall be at least as favorable to AWS Sub or such other reseller, taken as a
whole, as the rates, terms and conditions of Service, taken as a whole,
provided by the Company to any other Customer (as defined in the Resale
Agreement) and, to the extent permitted by applicable law, such rates, terms
and conditions shall be superior to those provided to any other Customer.
Without limiting the foregoing, the rate plans offered by the Company
pursuant to any Resale Agreement shall be designed to result in the average
actual rate per minute paid by the Reseller (as defined in the Resale
Agreement) for Service being at least 25% below the weighted average actual
rate per minute billed by the Company to its retail subscribers for access
and air time, but excluding revenues for features, taxes, toll or other

non-rate items. The Company and Reseller shall negotiate commercially
reasonable reductions to such resale rate based upon increased volume
commitments (including roaming charges incurred by subscribers of AT&T and
its Affiliates).

8.4 LONG DISTANCE SERVICE. To the extent permitted by law, AT&T
will be the Company's preferred provider of long distance service for so long
as the roaming arrangement described in Section 8.2(a) remains in effect.
The Company will purchase all of its long distance service, both for its own
needs and for resale to its customers, from AT&T, and AT&T will provide the
Company with long distance service at the best rates for which the Company
qualifies consistent with AT&T's practice with similarly situated customers,
provided, that at the time a long distance agreement is entered into, the
rates are commercially reasonable and reasonably competitive. Long distance
service may be purchased for the Company from AT&T by Logix Communications as
long as such service is made available to the Company at rates no higher than
the rates offered to the Company by AT&T directly.

8.5 EQUIPMENT DISCOUNTS. If reasonably requested by the
Company, AWS will, and will cause its 100% Subsidiaries to, use commercially
reasonable efforts to assist representatives of the Company in obtaining
discounts from any AWS vendor with whom the Company is negotiating for the
purchase of subscriber or infrastructure equipment. AWS shall not be
required to take any such action that AWS determines in its sole discretion
is adverse to its interests.

8.6 ROAMING AGREEMENTS. AWS will, and will cause its 100%
Subsidiaries to, use all commercially reasonable efforts to enable the
Company to become a party to the roaming agreements between AWS and its
Affiliates and operators of other wireless systems or, subject to the Company
agreeing to the obligations thereunder, entitled to the rights and benefits
of AWS under such roaming agreements. AWS shall not be required to take any
such action that AWS determines in its sole discretion is adverse to its
interests.

8.7 CERTAIN RESTRICTIONS. DCC and its Affiliates will not offer
Telecommunications Services in the Territory except that a special purpose
Subsidiary of DCC with separate management, facilities and financing from DCC
and the Company may construct, own or acquire a controlling interest in, or
manage a communications system which provides Telecommunications Services
that are not Company Communications Services.

8.8 OTHER BUSINESS; DUTIES; ETC.

(a) Except as otherwise expressly set forth in this Agreement,
the Members and any Person affiliated with any of the Members may engage in
or possess an interest in other business ventures in which the Company is not
a party, and may engage in any other activities, of every kind and
description (whether or not competitive with the business of the Company or
otherwise affecting the Company), independently or with others

in which the Company is not a party, and shall owe no duty or liability to
the Company, its Members or their Affiliates in connection therewith except
as expressly set forth in this Agreement.

(b) To the extent that, at law or in equity, any Member or any
Affiliate of a Member, or any director, officer, stockholder, employee, agent
or representative of a Member or such Affiliate, would have duties (including
fiduciary duties) and liabilities to the Company or the Members arising out
of this Agreement that are different from or in addition to those expressly
provided in this Agreement, all rights of the other Members arising out of
such duties and liabilities are hereby waived and no such Person shall be
liable to the Company or to any Member for its good faith reliance on the
provisions of this Agreement.

(c) Notwithstanding any provision to the contrary in this
Agreement, to the fullest extent permitted by law, each Representative shall
be deemed the agent of the Member Group which appointed such Person a
Representative, and such Representative shall not be deemed an agent or a
sub-agent of the Company or the other Members or Member Groups and shall have
no duty (fiduciary or otherwise) to the Company or the other Members or
Member Groups.

8.9 CONFIDENTIALITY.

(a) Each Member shall, and shall cause each of its Affiliates,
and each of its and their respective partners, members, managers,
shareholders, directors, officers, employees and agents (collectively,
"Agents") to keep secret and retain in strictest confidence and not use for
any purpose except as contemplated by this Agreement any and all Confidential
Information relating to the Company or any Member and shall not disclose such
information, and shall cause its Agents not to disclose such information, to
anyone except (x) such Member's Affiliates or Agents who have a need to know
such information in connection with the matters contemplated by this
Agreement and (y) other Persons (such as lenders to the Company or a Member)
who have a bona fide business reason for obtaining such information in
connection with their dealings with the Company or such Member and who agree
in writing to keep in confidence all Confidential Information in accordance
with the terms of this Section. The obligations under this Section shall
survive the termination of this Agreement for a period of three years (or, if
earlier, as to any Person, three years following the date such Person ceases
to be a Member). The foregoing provisions of this Section were negotiated in
good faith by the parties hereto and the parties hereto agree that such
provisions are reasonable and are not more restrictive than is necessary to
protect the legitimate interests of the Members and the Company.

(b) The obligations set forth in paragraph (a) above shall be
inoperative with respect to Confidential Information that (i) is or becomes
generally available to the public other than as a result of disclosure by the
receiving party or its Agents, (ii) was available to the receiving party on a
non-confidential basis prior to its disclosure to the receiving party or
(iii) becomes available to the receiving party or its agents, provided that

such source is not known by the receiving party to be bound by a
confidentiality agreement with the providing party or its Agents.

(c) To the fullest extent permitted by law, if a Member or any
of its Affiliates or Agents breaches or threatens to commit a breach of this
Section, the other Members and the Company shall have the right to have this
Section specifically enforced by any court having jurisdiction, it being
acknowledged and agreed that money damages will not provide an adequate
remedy to such other Members or the Company. Nothing in this Section shall
be construed to limit the right of any Member or the Company to collect money
damages in the event of a breach of this Section; nor to limit the right of
any Member to report the financial condition and results of operations of the
Company to its shareholders, bondholders or to regulatory authorities to the
extent required by law, regulation or the terms of existing instruments.

(d) Anything else in this Agreement or the Related Agreements
notwithstanding, each Member shall have the right to disclose any
information, including Confidential Information of the other Member or such
other Member's Affiliates, in any filing with any regulatory agency, court or
other governmental authority to the extent that the disclosing Member
determines in good faith that it is required by law or regulation, provided
that any such disclosure shall be as limited in scope as possible and shall
only be made after giving the other Member as much notice as practicable of
such required disclosure and an opportunity to contest such disclosure if
possible.

8.10 CONVERSION TO CORPORATION.

(a) CONVERSION. The Company will be converted to a corporation
(the "Corporation") in connection with an IPO if the Management Committee so
determines or (notwithstanding Section 7.3) if a Qualified Member Group so
elects under Section 9.10. The Members will cooperate to minimize any
adverse tax consequences of such conversion.

(b) CONVERSION OF INTERESTS. Upon a conversion of the Company
to a corporation, the Interests of the Qualified Members will be converted
into Class B Common Shares of the Corporation entitling the holders thereof
to ten votes per share. The Interests of other Members will be converted
into Class A Common Shares of the Corporation entitling the holders thereof
to one vote per share. The certificate of incorporation of the Corporation
will provide that (i) Class B Common Shares that are Transferred to, or held
by, Persons that are not Qualified Members will convert automatically into
Class A Common Shares, (ii) Class B Common Shares will be convertible at any
time at the option of the holder into Class A Common Shares and (iii) if
permitted by the exchange on which shares of the Corporation are listed for
trading, Class A Common Shares held by a Qualified Member will be convertible
at any time at the option of the holder into Class B Common Shares.

(c) STOCKHOLDERS AGREEMENT. Upon a conversion of the Company to
a corporation, the Members will enter into a stockholders agreement
containing, to the extent then applicable, substantially the same terms as
this Agreement, provided, that the

stockholders agreement will provide for each Qualified Member to have
registration rights that are substantially similar to the registration rights
set forth in Article 4 to the Stockholder and Investor Rights Agreement,
dated as of January 31, 2000, among DCC and the Persons listed on Schedule I
thereto.

8.11 DISPUTE RESOLUTION.

(a) If a dispute arises out of or relating to this Agreement or
the Related Agreements, or the transactions contemplated hereby or thereby,
or the construction, interpretation, performance, breach, termination,
enforceability or validity thereof, whether such claim is based on rights,
privileges or interests recognized by or based upon contract, tort, fraud,
misrepresentation, statute, common law or any other legal or equitable
theory, and whether such claim existed prior to or arises on or after the
date hereof (a "Dispute"), the dispute resolution processes set forth in this
Section 8.11 shall govern the resolution of such dispute.

(b) If a Dispute cannot be resolved by the executives having
primary managerial responsibility for the matter to which the Dispute
pertains, the parties shall attempt in good faith to resolve such Dispute
promptly by negotiation between executives who have authority to settle the
Dispute and who are at the level of the executives who have negotiated this
Agreement ("Senior Party Representatives").

(c) A party may provide any other party notice (a "Dispute
Notice") of any Dispute that has not been resolved in the normal course of
business. Within ten business days after delivery of the Dispute Notice, the
receiving party shall submit to each other party a response (the "Response").
The Dispute Notice and the Response shall each include (a) a statement
setting forth the position of the party providing such notice and a summary
of arguments supporting such position, and (b) the name and title of such
party's Senior Party Representative and any other Persons who will accompany
the Senior Party Representative at the meeting at which the parties will
attempt to settle the Dispute. Within 30 business days after delivery of the
Dispute Notice, the Senior Party Representatives of the parties shall meet at
a mutually acceptable time and place, and thereafter as often as they
reasonably deem necessary, to attempt to resolve the Dispute. All reasonable
requests for information made by one party to another will be honored.

(d) If the Dispute has not been resolved within 50 business days
after delivery of the Dispute Notice, or if the parties fail to meet within
30 business days after delivery of the Dispute Notice, any party may initiate
arbitration of the Dispute as provided below. If no party initiates
arbitration within 60 business days after delivery of the Dispute Notice,
then the parties shall automatically be released from any and all liability
for the Dispute.

(e) All negotiations pursuant to this section shall be treated
as compromise and settlement negotiations. Nothing said or disclosed, nor
any document produced, in the course of such negotiations that is not
otherwise independently discoverable shall be offered

or received as evidence or used for impeachment or for any other purpose in
any current or future arbitration. The parties agree that all communications
and negotiations between the parties during the dispute resolution process,
any settlements agreed upon during the dispute resolution process and any
information regarding the other party obtained during the dispute resolution
process (that are not already public knowledge) are confidential and may be
disclosed only to employees and agents of the parties who shall have a "need
to know" the information and who shall have been made aware of the
confidentiality obligations set forth in this Section 8.11, unless the party
is required by law to disclose such information.

(f) If the Dispute is not resolved as provided in paragraphs (b)
through (d) above, then any party may initiate arbitration proceedings by
providing each other party notice of such initiation of arbitration. The
Dispute shall then be settled by arbitration in accordance with the CPR
Non-Administered Arbitration Rules in effect on the date hereof, by a panel
of three arbitrators. Each Party shall select one of the three arbitrators
and the two arbitrators so chosen shall select the third arbitrator. The
arbitrators shall be governed by the United States Arbitration Act, 9 U.S.C.
Sections 1-16, and judgment upon the award rendered by the arbitrators may be
entered by any court having jurisdiction thereof. The place of arbitration
shall be chosen by the three arbitrators. The arbitrators shall be empowered
to award only damages that are recoverable under the provisions of Article
11, and each party hereby irrevocably waives any right to recover any other
damages with respect to any Dispute. The arbitrators shall not order
pre-hearing discovery of documents or the taking of depositions, although the
arbitrators may compel the attendance of witnesses and the production of
documents at the hearing to the extent permitted by the CPR Non-Administered
Arbitration Rules.

(g) If a party does not provide a Dispute Notice within one year
following the time the party first knows of the existence of the acts or
omissions that give rise to the Dispute, the party shall be forever estopped
from asserting the Dispute against any other party.

(h) The reasonable out-of-pocket costs (including reasonable
attorneys' fees and expenses) of the prevailing party and the fees of the
arbitrators in any arbitration proceeding pursuant to this Section 8.11 shall
be paid by the other party. The arbitrators shall determine which party is
the prevailing party for purposes of this paragraph, and shall include such
determination in their award. If the arbitrators determine that neither
party is the prevailing party for purposes of this paragraph, then each party
shall bear its own costs and expenses, including attorneys' fees and
expenses, and the parties shall share equally the fees of the arbitrators.

(i) Notwithstanding the foregoing, nothing in this Agreement
shall preclude the parties from seeking injunctive or other equitable relief
from a court with regard to any breach of this Agreement or the Related
Agreements.

8.12 DISQUALIFYING TRANSACTION. Upon a Disqualifying
Transaction, AWS may terminate, with respect to all or any portion of the
Territory, the obligations of AT&T

and its Affiliates contained in Sections 8.1, 8.2, 8.5 and 8.6, in which
event the Voting Interests then held by the AWS Member Group shall, subject
to FCC approval if necessary, immediately and automatically cease to exist
and, accordingly, the AWS Member Group shall no longer be entitled (x) to
exercise governance rights with respect to the Company (including the right
to appoint Representatives to the Management Committee) except as required by
applicable law or (y) to receive information concerning the Company except
for annual and quarterly financial statements pursuant to Section 6.4. In
such event, upon at least 90 days' written notice to AWS given within 90 days
after termination by AWS of the obligations contained in Sections 8.1 and
8.2, the Company will have the right to terminate the Operating Agreement
with respect to the same portion of the Territory.

ARTICLE 9
TRANSFER RESTRICTIONS; EXIT RIGHTS;
CHANGE OF CONTROL OF DCC

The provisions of Sections 9.1 through 9.4 shall apply to direct
Transfers of Interests by the Members and Indirect Transfers of Interests by
Persons (including Members) that beneficially own Equity Interests in the
Members.

9.1 GENERAL RESTRICTIONS ON TRANSFERS.

(a) PRIOR TO THE THIRD ANNIVERSARY OF THE EFFECTIVE DATE. Prior
to the third anniversary of the Effective Date, Members may not Transfer
Voting Interests or Economic Interests except to other Qualified Members or
members of their respective Affiliate Groups, nor shall Indirect Transfers of
Interests be permitted except in accordance with the provisions of Section
9.4.

(b) AFTER THE THIRD ANNIVERSARY OF THE EFFECTIVE DATE. On and
after the third anniversary of the Effective Date, Indirect Transfers of
Interests shall not be permitted except in accordance with the provisions of
Section 9.4, and

(i) Members may not Transfer Voting Interests except to other
Qualified Members or members of their respective Affiliate Groups. Any
Transfer permitted by the preceding sentence shall not be subject to the
right of first refusal set forth in Section 9.2 or the tag-along right set
forth in Section 9.3.

(ii) Members of the AWS Member Group may Transfer in the aggregate
up to 20% of the Economic Interests acquired by AWS Sub on the Effective
Date to Persons that are not members of the AWS Affiliate Group or the DCC
Affiliate Group. Members of the DCC Member Group may Transfer in the
aggregate up to 20% of the Economic Interests acquired by DCC Sub on the
Effective Date to Persons that are not members of the DCC Affiliate Group
or the AWS Affiliate Group. Any Transfer permitted by the two preceding
sentences shall not be subject to

the right of first refusal set forth in Section 9.2, but shall be subject
to the tag-along right set forth in Section 9.3.

(iii) If members of the AWS Member Group Transfer in the aggregate
more than 20% of the Economic Interests acquired by AWS Sub on the
Effective Date to Persons that are not members of the AWS Affiliate Group
or the DCC Affiliate Group, or members of the DCC Member Group Transfer in
the aggregate more than 20% of the Economic Interests acquired by DCC Sub
on the Effective Date to Persons that are not members of the DCC Affiliate
Group or the AWS Affiliate Group, the Voting Interests then held by the AWS
Member Group or the DCC Member Group, as the case may be, shall immediately
and automatically cease to exist and, accordingly, Members that are members
of the AWS Member Group or the DCC Member Group, as the case may be, shall
no longer be entitled (x) to exercise governance rights with respect to the
Company (including the right to appoint Representatives to the Management
Committee) except as required by applicable law or (y) to receive
information concerning the Company except for annual and quarterly
financial statements under Section 6.4. Any Transfer (or portion thereof)
by a Member of any Member Group, after giving effect to which the 20%
threshold described in the preceding sentence is crossed, and any
subsequent Transfer by a Member of such Member Group, shall be subject to
the right of first refusal set forth in Section 9.2 and the tag-along right
set forth in Section 9.3.

(iv) Members may not Transfer Voting Interests or Economic Interests
to a Prohibited Transferee except (after the IPO) pursuant to broadly
distributed underwritten registered public offerings and Rule 144 under the
Securities Act.

(c) OTHER ENCUMBRANCES ON INTERESTS. Notwithstanding anything
to the contrary in this Agreement or the Act, a Member may not pledge,
hypothecate or otherwise encumber all or any portion of its Interests.

9.2 RIGHT OF FIRST REFUSAL.

(a) NOTICE AND EXERCISE OF RIGHT. Subject to the limitations of
Section 9.1(a), if

(i) members of a Member Group (the "Sellers") receive and wish to
accept a written offer (the "Offer") from a bona fide third party (the
"Offeror") to purchase some or all of their Economic Interests (the
"Offered Interests"),

(ii) the consummation of such purchase would result (together with
any prior Transfers) in the Member Group to which the Sellers belong
ceasing to be a Qualified Member Group, or this Section 9.2 otherwise
expressly applies pursuant to the terms of this Agreement, and

(iii) the other Member Group is a Qualified Member Group (it being
understood that if the other Member Group is not then a Qualified Member
Group, the Sellers shall not be obligated to comply with the provisions of
this Section 9.2 or Section 9.3),

then the Sellers shall give notice of such Offer (the "Offer Notice") to the
members of the other Member Group (the "Buyers"), which notice shall identify
the Offeror, enclose a copy of the Offer, and irrevocably offer to the Buyers
the right to purchase (pro rata in accordance with their respective Interests
unless the Buyers otherwise agree) the Offered Interests on the same economic
terms and conditions as specified in the Offer (if they are the only assets
being sold and are being sold for cash) or for cash at their Fair Market
Value (if they are being Transferred in such transaction or series of related
transactions with other assets or for consideration other than cash),
provided, that the Buyers shall be entitled to pay for the Offered Interests
with instruments of indebtedness to the extent the Offer contemplates the
delivery of instruments of indebtedness. The Buyers may exercise their right
to purchase the Offered Interests by notifying the Sellers in writing of
their election to purchase within 21 days after the later of (x) delivery of
the Offer Notice and (y) any determination of Fair Market Value pursuant to
Section 9.4(c) or otherwise.

(b) CLOSING OF PURCHASE. If the Buyers duly elect to purchase
the Offered Interests, the closing of such purchase (the "RoFR Closing")
shall take place on a date agreed to by the Sellers and the Buyers, but in no
event later than 30 days following the exercise by the Buyers of their
election to purchase; provided, that if governmental or regulatory approval
is required for any Buyer to consummate its purchase and has not been
obtained, the RoFR Closing with respect to such purchase may be deferred
until such approval is obtained.

(c) REPRESENTATIONS AT CLOSING. At any RoFR Closing, the
Sellers shall represent and warrant in writing to the Buyers only that the
Sellers (i) are the sole beneficial and record owners of the Offered
Interests and have good and marketable title thereto free and clear of all
Liens (other than restrictions imposed pursuant to this Agreement) and (ii)
have full power and authority to sell the Offered Interests without conflict
with the terms of any law, order or material agreement or instrument binding
upon them or their assets; and the Sellers shall deliver to the Buyers such
customary instruments of assignment with respect to the Offered Interests as
may be reasonably requested by the Buyers.

(d) SALE TO THIRD PARTY. If the Buyers fail to exercise their
right to purchase the Offered Interests, the Sellers may accept the Offer and
sell the Offered Interests to the Offeror; provided, that such sale shall be
at the same price and on the same terms and conditions as specified in the
Offer Notice and otherwise in accordance with Section 9.5. If such sale is
not consummated within 90 days after the expiration of the applicable time
periods specified in paragraph (b) above, such right to sell shall lapse and
Transfers of the Offered Interests shall again be subject to the provisions
of this Section 9.2.

(e) ASSUMPTION OF AGREEMENTS. At any closing with respect to a
sale to a third party, the Offeror shall execute a counterpart to this
Agreement and any Related

Agreements to which the Sellers or their Affiliates are party and shall be
bound by the provisions of and assume the obligations of the Sellers under
all such Agreements, provided, that the Management Agreement shall not be
assigned or assumed except in accordance with its terms. The Sellers and the
Offeror shall execute such documents as the Buyers may reasonably request to
evidence such assumption.

(f) PUBLIC SALES. Sales of Interests after the IPO pursuant to
registered public offerings and Rule 144 under the Securities Act shall be
subject to this Section 9.2.

9.3 TAG-ALONG RIGHT.

(a) NOTICE AND EXERCISE OF RIGHT. In lieu of exercising its
rights under Section 9.2, or as otherwise expressly provided herein, the
Buyers may, within 21 days after receipt of any Offer Notice, elect by notice
to the Sellers to include their Economic Interests (the "Included Interests")
in such sale on a pro rata basis with the Sellers. Any such sale of Included
Interests shall be made on the same economic terms and conditions as
specified in the Offer (if they are the only assets being sold and are being
sold for cash) or for cash at their Fair Market Value (if they are being
Transferred in such transaction or series of related transactions with other
assets or for consideration other than cash), and the Sellers may not
consummate their sale unless the sale of Included Interests (if any) by the
Buyers is consummated simultaneously in accordance with the terms hereof. If
the Buyers do not elect to participate in such sale, and such sale is not
consummated within the applicable time periods specified in Section 9.2(d),
the restrictions contained in this Section 9.3 shall again become effective,
and Economic Interests may not be Transferred thereafter except in accordance
with this Article 9.

(b) REPRESENTATIONS AT CLOSING. At the closing of any Transfer
of Included Interests pursuant to this Section 9.3, (i) the participating
Buyers shall not be required to make any representations and warranties with
respect to the Company or the Business other than those that the Sellers make
to the purchaser, nor shall the Buyers be required to make any non-compete,
non-solicit or similar covenants in connection with such Transfer, and (ii)
the participating Buyers shall deliver to the purchaser such customary
instruments of assignment with respect to the Included Interests as may be
reasonably requested by the purchaser.

(c) PUBLIC SALES. Sales of Interests after the IPO pursuant to
registered public offerings and Rule 144 under the Securities Act shall not
be subject to this Section 9.3.

9.4 INDIRECT TRANSFERS. Subject to Section 9.8, the provisions
of Sections 9.1, 9.2, 9.3, 9.5, 9.6 and 9.7 (the "Specified Restrictions")
shall apply to Indirect Transfers of Interests to the same extent that they
apply to direct Transfers of Interests except as otherwise provided in this
Section 9.4 or elsewhere in this Agreement.

(a) PERCENTAGE TRANSFERRED. A Transfer of any percentage of the
Equity Interests in a member of any Affiliate Group shall be deemed to be a
Transfer by the

applicable Member Group of the same percentage of Economic Interests in the
Company. For example, the Transfer of 30% of the capital stock of AWS Sub or
DCC Sub shall be deemed to be the Transfer of 30% of the Economic Interests
in the Company by the AWS Member Group or the DCC Member Group, respectively.
Notwithstanding the foregoing, if at the time of any Indirect Transfer
involving a member of any Affiliate Group, the percentage of the Equity
Interests in such member being Transferred exceeds the percentage of Economic
Interests in the Company then held by the applicable Member Group, such
Indirect Transfer shall be deemed to be a Transfer by such Member Group of
the percentage of Economic Interests in the Company then held by such Member
Group. For example, the Transfer of 60% of the capital stock of AWS Sub or
DCC Sub at a time when they each hold 50% of the Economic Interests in the
Company shall be deemed to be a Transfer of 50% of the Economic Interests in
the Company by the AWS Member Group or the DCC Member Group, respectively.

(b) INDIRECT TRANSFERS WITHIN AN AFFILIATE GROUP. The Specified
Restrictions shall not apply to Transfers of Equity Interests in a member of
any Affiliate Group if immediately after giving effect to such Transfer such
Person remains a member of such Affiliate Group, unless such Transfer has
substantially the same economic effect as a Transfer of Interests in the
Company to a Person that is not a member of such Affiliate Group.

(c) INDIRECT TRANSFERS INVOLVING DCC. So long as the Interests
in the Company beneficially owned by DCC do not account for 50% or more of
the value of DCC, the Specified Restrictions shall not apply to Transfers of
Equity Interests in DCC or any Parent of DCC; provided, that such Transfers
are not designed to circumvent the transfer restrictions contained herein;
and provided, further, that the Specified Restrictions shall apply, in
accordance with Section 9.8, to any Transfer resulting in a Change of Control
of DCC. Notwithstanding Section 9.1(c), DCCLP may pledge capital stock of
DCC to secure indebtedness owing to Bank of America, N.A. under instruments
of indebtedness in effect on the Effective Date, as such instruments may be
amended or replaced from time to time.

(d) INDIRECT TRANSFERS INVOLVING AT&T. The Specified
Restrictions shall not apply to (i) Transfers of Equity Interests in AWS,
(ii) Transfers of Equity Interests in AT&T or (iii) Transfers of Equity
Interests by any direct or indirect shareholder of AWS or AT&T; provided,
that such Transfers are not designed to circumvent the transfer restrictions
contained herein.

(e) INDIRECT TRANSFERS INVOLVING JWC. Notwithstanding anything
in this Agreement to the contrary, the Specified Restrictions shall not apply
to Transfers of Equity Interests in DCC by ▇.▇. Childs Equity Partners, II,
L.P. (and its affiliated funds and co-investors listed on Schedule 9.4).

9.5 SUBSTITUTED MEMBERS. Prior to any Transfer of Interests by
a member of any Member Group, the transferor shall deliver to the members of
the other Member Group a notice setting forth the identity of the transferee
and (if applicable) stating that such

transferee is a member of the transferor's Affiliate Group, and shall provide
such other information as the members of the other Member Group may
reasonably request in connection with such Transfer. The transferee shall be
admitted as a Member upon execution of a counterpart to this Agreement
evidencing its agreement to be bound hereby. Upon the admission of any such
transferee as a Member, the transferring Member or Members shall be relieved
of any obligation arising under this Agreement subsequent to such Transfer
with respect to the Interests being transferred (provided that the transferee
shall assume all such obligations), and if the transferring Member no longer
holds any Interests, the transferring Member shall be relieved of its
obligations arising under this Agreement to the extent provided in Section
12.12.

9.6 INVALID TRANSFERS VOID. Any purported Transfer of an
Interest or any part thereof not in compliance with the provisions of this
Article 9 shall be void and of no force or effect and the transferring Member
shall be liable to the other Members and the Company for all liabilities,
obligations, damages, losses, costs and expenses (including but not limited
to reasonable attorneys' fees and court costs) arising out of such
noncomplying Transfer.

9.7 DETERMINATION OF FAIR MARKET VALUE. The Fair Market Value
of Interests to be transferred or other property received pursuant to this
Agreement shall be determined in the following manner:

For purposes of this Section 9.7, Sellers owning a majority of the
applicable Offered Interests shall have the right to act on behalf of
the Sellers. Within 15 days after the delivery of the notice requiring
such determination, the Sellers and the Buyers shall attempt in good
faith to agree on the Fair Market Value. If the Sellers and the Buyers
fail within 15 days thereafter to agree thereon, each of the Sellers and
the Buyers shall deliver a notice to the other appointing as its
appraiser ("Appraiser") an independent accounting or investment banking
firm of nationally recognized standing. The Sellers and Buyers by
mutual agreement shall also appoint a third Appraiser. If after
appointment of the two Appraisers, the Sellers and Buyers are unable to
agree upon a third Appraiser, such appointment shall be made within
fifteen days of the request by the American Arbitration Association, or
any organization successor thereto, from a panel of arbitrators having
experience in the appraisal of the type of property then the subject of
appraisal. The decisions of the three Appraisers so appointed and
chosen shall be given within 30 days after the selection of such third
Appraiser. If the determination of one Appraiser differs from the
middle determination by more than twice the amount by which the other
determination differs from the middle determination, then the
determination of such Appraiser shall be excluded, the remaining two
determinations shall be averaged and such average shall be binding and
conclusive on the parties; otherwise the average of all three
determinations shall be binding and conclusive. The Sellers' obligation
to provide an Offer Notice pursuant to Section 9.2(a) shall not be
applicable until the date of delivery of such determination to the
Buyers. The costs of conducting any Appraisal Procedure shall be borne
as follows: (x) the costs of the Appraiser designated by the

Sellers and other costs separately incurred by the Sellers shall be
borne by the Sellers; (y) the costs of the Appraiser designated by the
Buyers and other costs separately incurred by the Buyers shall be borne
by the Buyers; and (z) the costs of the third Appraiser, if any, shall
be shared equally by the Sellers and the Buyers.

9.8 CHANGE OF CONTROL OF DCC. Notwithstanding anything in this
Agreement to the contrary:

(a) PROHIBITED TRANSFEREE, ETC. If there is a Change of Control
of DCC in which a Prohibited Transferee (alone or as part of a "group" as
such term is used in Sections 13(d) and 14(d) of the Exchange Act and the
regulations thereunder) or, prior to the second anniversary of the Effective
Date, a Person that is not a Prohibited Transferee (alone or as part of a
"group" as such term is used in Sections 13(d) and 14(d) of the Exchange Act
and the regulations thereunder) acquires control of DCC, and either the
Company is a limited liability company and the AWS Member Group is a
Qualified Member Group, or the Company has converted to a corporation and
members of the AWS Affiliate Group retain in the aggregate capital stock in
such corporation representing at least 50% of the Economic Interests that AWS
Sub acquired on the Effective Date, then

(i) If it does not elect to exercise its rights under Section 9.2
or 9.3, the AWS Member Group may initiate the Buy-Sell Procedure (except
that the AWS Member Group shall have the right but not the obligation to
require that DCC propose the cash purchase price for all of the Interests
of the AWS Member Group) for 90 days after the second anniversary of the
Effective Date,

(ii) from and after the effective date of such Change of Control of
DCC, the DCC Member Group shall lose the right to appoint one of its two
Representatives to the Management Committee (and such Representative shall
forthwith resign or be deemed removed as such) and the AWS Member Group
shall thereupon have the right to appoint three of the four
Representatives, and

(iii) from and after the effective date of such Change of Control of
DCC, subject to Section 9.1(b)(iii), the Significant Matters that the DCC
Member Group will have the right to approve shall be those set forth on
Exhibit A.

(b) NON-PROHIBITED TRANSFEREE. If, on or after the second
anniversary of the Effective Date, a Person that is not a Prohibited
Transferee (alone or as part of a "group" as such term is used in Sections
13(d) and 14(d) of the Exchange Act and the regulations thereunder) acquires
control of DCC and either the Company is a limited liability company and the
AWS Member Group is a Qualified Member Group, or the Company has converted to
a corporation and members of the AWS Affiliate Group retain in the aggregate
capital stock in such corporation representing at least 50% of the Economic
Interests that AWS Sub acquired on the Effective Date, then AWS Sub may elect
in its reasonable discretion to cause the Company to (and the Company shall)
terminate the Management Agreement.

(c) STATUS OF CONTROL PERSON. Except as otherwise provided in
this Section 9.8, any Person referred to in paragraphs (a) or (b) above that
acquires control of DCC shall be treated as the ▇▇▇▇▇▇ Group for all purposes
of this Agreement, and if the DCC Member Group was a Qualified Member Group
immediately prior to the time of the Change of Control of DCC, and for so
long thereafter as it qualifies as such hereunder, it shall also be
considered a Qualified Member Group immediately after the Change of Control.

9.9 BUY-SELL PROCEDURE.

(a) AFTER THE FIFTH ANNIVERSARY OF THE EFFECTIVE DATE. After
the fifth anniversary of the Effective Date, whether or not an IPO has
occurred, a Member Group may initiate a buy-sell procedure (the "Buy-Sell
Procedure") by giving the other Member Group a notice referring to this
Section 9.9(a) (the "Section 9.9(a) Notice"), which notice shall specify a
cash purchase price per Interest or per share, as applicable, for all of the
Interests in the Company then held by the other Member Group, and contain an
irrevocable offer to purchase such Interests, and to sell all of the
Interests in the Company then held by the initiating Member Group, at such
price. The non-initiating Member Group may exercise its right to purchase or
sell by notifying the initiating Member Group of its election within 90 days
after delivery of the Section 9.9(a) Notice; provided, that the DCC Member
Group may not initiate the Buy-Sell Procedure, or elect to buy in the event
that the AWS Member Group initiates the Buy-Sell Procedure, without
concurrently providing to the AWS Member Group a firm commitment, including a
"material adverse change" condition (which may include a condition relating
to disruption of the financial markets), reasonably acceptable to the AWS
Member Group, from a financial institution reasonably acceptable to the AWS
Member Group, to underwrite the purchase price. The closing of any such
purchase and sale will occur within 90 days after the end of such 90-day
period, subject to extension for obtaining by Final Order any regulatory
approvals.

(b) IN CONNECTION WITH OVERLAP IN SERVICE COVERAGE. The AWS
Member Group may initiate the Buy-Sell Procedure at any time if (x) the
Company is then offering, in service areas covering 15% or more of the
Company's Pops, Company Communications Services that are not Mobile Wireless
Services and (y) AWS or its Affiliates are then offering, or have a good
faith intention to begin offering and have taken material steps towards
offering, in such service areas, Telecommunications Services that could
reasonably be considered by subscribers to be equivalent to, or a substitute
for, such Company Communications Services that are not Mobile Wireless
Services. Such right will be exercisable by giving the DCC Member Group a
notice referring to this Section 9.9(b) (the "Section 9.9(b) Notice") and
signed by a senior executive officer of AWS, which notice shall (x) describe
in reasonable detail the competing services that AWS or its Affiliates are
then offering or intending in good faith to offer and the steps they have
taken towards offering such services, (y) specify a cash purchase price per
Interest or per share, as applicable, for all of the Interests in the Company
then held by the DCC Member Group, and (z) contain an irrevocable offer to
purchase such Interests, and to sell all of the Interests in the Company then
held by the AWS Member Group, at such price. The DCC Member Group may
exercise its right to purchase or sell by notifying the AWS Member Group of
its election within 90

days after delivery of the Section 9.9(b) Notice; provided, that the DCC
Member Group may not elect to purchase without concurrently providing to the
AWS Member Group a firm commitment, including a "material adverse change"
condition (which may include a condition relating to disruption of the
financial markets), reasonably acceptable to the AWS Member Group, from a
financial institution reasonably acceptable to the AWS Member Group, to
underwrite the purchase price. The closing of any such purchase and sale
will occur within 90 days after the end of such 90-day period, subject to
extension for regulatory approvals.

(c) IN THE EVENT OF CHANGE OF CONTROL OF DCC. If, in connection
with a Change of Control of DCC, the AWS Member Group does not elect to
exercise its right to initiate the Buy-Sell Procedure pursuant to Section
9.8(a)(i), if applicable, or its right of first refusal or tag-along right
under Section 9.2 or 9.3, then, at any time during the 90-day period
beginning on the later of the second anniversary of the Effective Date and 90
days following the expiration of the last of such rights, the DCC Member
Group will have the right to initiate the Buy-Sell Procedure by giving the
AWS Member Group a notice referring to this Section 9.9(c) (the "Section
9.9(c) Notice"), which notice shall specify a cash purchase price per
Interest or per share, as applicable, for all of the Equity Interests in the
Company then held by the AWS Member Group, and contain an irrevocable offer
to purchase such Equity Interests, and to sell all of the Equity Interests in
the Company then held by the DCC Member Group, at such price; provided, that
the DCC Member Group may not initiate the Buy-Sell Procedure without
concurrently providing to AWS Member Group a firm commitment, including a
"material adverse change" condition (which may include a condition relating
to disruption of the financial markets), reasonably acceptable to the AWS
Member Group, from a financial institution reasonably acceptable to the AWS
Member Group, to underwrite the purchase price. The AWS Member Group may
exercise its right to purchase or sell by notifying the DCC Member Group of
its election within 90 days after delivery of the Section 9.9(c) Notice. The
closing of any such purchase and sale will occur within 90 days after the end
of such 90-day period, subject to extension for regulatory approvals.

(d) REPRESENTATIONS AT CLOSING. At the closing of any purchase
and sale pursuant to the Buy-Sell Procedure, the selling Member Group shall
represent and warrant in writing to the non-selling Member Group that the
selling Members (i) are the sole beneficial and record owners of the
Interests being sold and have good and marketable title thereto free and
clear of all Liens (other than restrictions imposed pursuant to this
Agreement) and (ii) have full power and authority to sell the Interests being
sold without conflict with the terms of any law, order or material agreement
or instrument binding upon them or their assets; and the selling Members
shall deliver to the non-selling Member Group such customary instruments of
assignment with respect to the Interests being sold as may be reasonably
requested by the non-selling Member Group.

(e) TERMINATION OF AGREEMENT. Upon the consummation of a
purchase and sale transaction pursuant to the Buy-Sell Procedure, the
Management Agreement and the agreements set forth in Sections 8.1, 8.2, 8.5
and 8.6 will terminate immediately, and the

Operating Agreement will terminate on the later of (a) the tenth anniversary
of the Effective Date and (b) the second anniversary of the consummation of
such purchase and sale transaction.

9.10 IPO DEMAND. After the fifth anniversary of the Effective
Date, any Qualified Member Group may by notice to the Company and the other
Qualified Member Group (if any) elect (the "Section 9.10 Election") to
require the Company to convert to a corporation in accordance with Section
8.10 and to effect an IPO of not less than 10% nor more than 20% of the
Corporation's Class A Common Stock, underwritten by an underwriter selected
by the Management Committee, and otherwise conducted in accordance with the
registration procedures referred to in Section 8.10(c); provided, that the
non-electing Qualified Member Group (if any) may (i) defer the Section 9.10
Election for up to 180 days on one occasion during any 12-month period and
(ii) preempt the Section 9.10 Election by initiating the Buy-Sell Procedure
within 30 days after such Election is made, provided, that the DCC Member
Group may not initiate the Buy-Sell Procedure, or elect to buy in the event
that the AWS Member Group initiates the Buy-Sell Procedure, without
concurrently providing to AWS Member Group a firm commitment, including a
"material adverse change" condition (which may include a condition relating
to disruption of the financial markets), reasonably acceptable to AWS Member
Group, from a financial institution reasonably acceptable to AWS Member
Group, to underwrite the purchase price.

ARTICLE 10
DISSOLUTION AND TERMINATION

10.1 NO WITHDRAWAL. Except as expressly provided in this
Agreement or as otherwise provided by law, no Member shall have the right,
and each Member hereby agrees not, to dissolve, terminate or liquidate the
Company, or to resign or withdraw as a Member.

10.2 DISSOLUTION. The Company shall be dissolved upon the
written determination of the Management Committee to dissolve the Company,
but only on the effective date of dissolution specified by the Management
Committee in such determination.

10.3 PROCEDURES UPON DISSOLUTION.

(a) GENERAL. In the event the Company dissolves it shall
commence winding up pursuant to the appropriate provisions of the Act and the
procedures set forth in this Section 10.3. Notwithstanding the dissolution
of the Company, until the winding up of the Company's affairs is completed,
the business of the Company and the affairs of the Members, as such, shall
continue to be governed by this Agreement.

(b) CONTROL OF WINDING UP. The winding up of the Company shall
be conducted under the direction of the Management Committee or such other
Person as may be designated by a court of competent jurisdiction (herein
sometimes referred to as the "Liquidator"); provided that any Member whose
breach of this Agreement shall have caused the dissolution of the Company
(and the Representatives appointed by such Member) shall

not participate in the control of the winding up of the Company; and provided
further, that if the dissolution is caused by entry of a decree of judicial
dissolution, the winding up shall be carried out in accordance with such
decree.

(c) MANNER OF WINDING UP. The Company shall engage in no
further business following dissolution other than that necessary for the
orderly winding up of business and distribution of assets. The Company's
maintenance of offices shall not be deemed a continuation of business for
purposes of this Section 10.3. Upon dissolution of the Company, the
Liquidator shall, subject to paragraph (a) above, first attempt to distribute
assets in kind if it can obtain the consent of each of the Members and, to
the extent necessary, the creditors of the Company. If such consent is not
obtained, the Liquidator shall sell the Company or all the Company's property
in such manner and on such terms as it deems fit, consistent with its
fiduciary responsibility and having due regard to the activity and condition
of the relevant market and general financial and economic conditions. Each
Member shall share Profits, Losses and other items after the dissolution of
the Company and during the period of winding up in the same manner as
described in Article 4.

(d) APPLICATION OF ASSETS. Upon dissolution of the Company, the
Company's assets (which shall, after the sale or sales referenced in
paragraph (c) above, consist of the proceeds thereof) shall be applied as
follows:

(i) CREDITORS. To creditors, including Members and Representatives
who are creditors, to the extent otherwise permitted by law, in
satisfaction of liabilities of the Company (whether by payment or the
reasonable provision for the payment thereof). Any reserves set up by the
Liquidator may be paid over by the Liquidator to an escrow agent or
trustee, to be held in escrow or trust for the purpose of paying any such
contingent or unforeseen liabilities or obligations, and, at the expiration
of such period as the Liquidator may deem advisable, such reserves shall be
distributed to the Members or their assigns in the manner set forth in
paragraph (ii) below.

(ii) MEMBERS. By the end of the taxable year in which the
liquidation occurs (or, if later, within 90 days after the date of such
liquidation), to the Members in proportion to the positive balances of
their respective Capital Accounts, as determined after taking into account
all Capital Account adjustments for the taxable year during which the
liquidation occurs (other than those made pursuant to this paragraph).

10.4 TERMINATION. Upon completion of the winding up of the
Company and the distribution of all Company assets, the Company's affairs
shall terminate and the Members shall cause to be executed and filed any and
all documents required by the Act to effect the termination of the Company.

ARTICLE 11
EXCULPATION AND INDEMNIFICATION

11.1 NO PERSONAL LIABILITY.

(a) Except as otherwise provided by the Act, the debts,
obligations and liabilities of the Company, whether arising in contract, tort
or otherwise, shall be solely the debts, obligations and liabilities of the
Company, and no Indemnified Person (as defined in paragraph (b) below) shall
be obligated personally for any such debt, obligation or liability of the
Company solely by reason of being an Indemnified Person.

(b) No Representative, Member or its Affiliates, or any of their
respective shareholders, directors, officers, employees, agents, members,
managers, or partners (each, an "Indemnified Person") shall be liable,
responsible or accountable in damages or otherwise to the Company or to any
other Indemnified Person for any act or omission performed or omitted by an
Indemnified Person in connection with the transactions contemplated hereby,
whether for mistake of judgment or negligence or other action or inaction,
unless such action or omission constitutes willful misconduct, gross
negligence or bad faith. Each Indemnified Person may consult with counsel,
accountants and other experts in respect of the affairs of the Company and
such Indemnified Person shall be fully protected and justified in any action
or inaction which is taken in good faith in accordance with the advice or
opinion of such counsel, accountants or other experts, provided that they
shall have been selected with reasonable care.

11.2 INDEMNIFICATION BY COMPANY. To the maximum extent permitted
by applicable law, the Company shall protect, indemnify, defend and hold
harmless each Indemnified Person for any acts or omissions performed or
omitted by an Indemnified Person (in its capacity as such) unless such action
or omission constituted willful misconduct, gross negligence or bad faith.
The indemnification authorized under this Section shall include payment on
demand (with appropriate evidence of the amounts claimed) of reasonable
attorneys' fees and other expenses incurred in connection with, or in
settlement of, any legal proceedings between the Indemnified Person and a
third party and the removal of any Liens affecting any property of the
Indemnified Person. Such indemnification rights shall be in addition to any
and all rights, remedies and recourse to which any Indemnified Person shall
be entitled, whether or not pursuant to the provisions of this Agreement, at
law or in equity. The indemnities provided for in this Section 11.2 shall be
recoverable only from the assets of the Company, and there shall be no
recourse to any Member or other Person for the payment of such indemnities.

11.3 NOTICE AND DEFENSE OF CLAIMS.

(a) NOTICE OF CLAIM. If any action, claim or proceeding
("Claim") shall be brought or asserted against any Indemnified Person in
respect of which indemnity may be sought from the Company under Section 11.2,
the Indemnified Person shall give prompt written notice of such Claim to the
Company, which may assume the defense thereof,

including the employment of counsel reasonably satisfactory to the
Indemnified Person and the payment of all of such counsel's fees and
expenses; provided that any delay or failure to so notify the Company shall
relieve the Company of its obligations hereunder only to the extent, if at
all, that it is prejudiced by reason of such delay or failure. Any such
notice shall refer to Section 11.2 and describe in reasonable detail the
facts and circumstances of the Claim being asserted.

(b) DEFENSE BY THE COMPANY. In the event that the Company
undertakes the defense of the Claim, the Company will keep the Indemnified
Person advised as to all material developments in connection with any Claim,
including, but not limited to, promptly furnishing the Indemnified Person
with copies of all material documents filed or served in connection
therewith. The Indemnified Person shall have the right to employ one
separate firm per jurisdiction with respect to any of the foregoing Claims
and to participate in the defense thereof, but the fees and expenses of such
firm shall be at the expense of the Indemnified Person unless both the
Indemnified Person and the Company are named as parties and representation by
the same counsel is inappropriate due to actual differing interests between
them; provided that under no circumstances shall the Company be liable for
the fees and expenses of more than one law firm per jurisdiction in any of
the foregoing Claims for the Indemnified Persons, taken collectively and not
separately. The Company may, without the Indemnified Person's consent,
settle or compromise any Claim or consent to the entry of any judgment if
such settlement, compromise or judgment involves only the payment of money
damages by the Company (which payment is made or adequately provided for at
the time of such settlement, compromise or judgment) or provides for the
unconditional release by the claimant or plaintiff of the Indemnified Person
and its Affiliates from all liability in respect of such Claim and does not
impose injunctive relief against any of them. The Indemnified Person shall
provide reasonable assistance to the Company in the defense of the Claim. As
between the Company, on the one hand, and the Indemnified Persons, on the
other hand, any matter that is not agreed to unanimously by the Indemnified
Persons shall be determined by the Indemnified Person that is a party to this
Agreement.

(c) DEFENSE BY THE INDEMNIFIED PERSON. In the event that the
Company, within 20 business days after receiving written notice of any such
Claim, fails to assume the defense thereof, the Indemnified Person shall have
the right, subject to the right of the Company thereafter to assume such
defense pursuant to the provisions of this Article 11, to undertake the
defense, compromise or settlement of such Claim for the account of the
Company.

(d) ADVANCEMENT OF EXPENSES. Unless the Indemnifying Party
shall have assumed the defense of any Claim pursuant to paragraph (b) above,
the Company shall advance to the Indemnified Person any of its reasonable
attorneys' fees and other costs and expenses incurred in connection with the
defense of any such Claim. Each Indemnified Person shall agree in writing
prior to any such advancement, that in the event he or it receives any such
advance, such Indemnified Person shall reimburse the Company for such fees,
costs, and expenses to the extent that it shall be determined that he or it
was not entitled to indemnification under this Article 11.

(e) CONTRIBUTION. Notwithstanding any of the foregoing to the
contrary, the provisions of this Article 11 shall not be construed so as to
provide for the indemnification of any Indemnified Person for any liability
to the extent (but only to the extent) that such indemnification would be in
violation of applicable law or to the extent such liability may not be
waived, modified, or limited under applicable law, but shall be construed so
as to effectuate the provisions of this Article 11 to the fullest extent
permitted by law; provided, that if and to the extent that the Company's
indemnification obligation under this Article 11 is unenforceable for any
reason, the Company hereby agrees to make the maximum contribution
permissible under applicable law to the payment and satisfaction of the
losses of the Indemnified Person, except to the extent such losses are found
in a final, nonappealable judgment by a court of competent jurisdiction to
have resulted from the Indemnified Person's gross negligence or willful
misconduct.

ARTICLE 12
MISCELLANEOUS

12.1 ENTIRE AGREEMENT. This Agreement and the Related
Agreements, together with any schedules and exhibits hereto and thereto,
contain the entire agreement and understanding of the Members relating to the
subject matter hereof and supersede all prior negotiations, proposals,
offers, agreements and understandings (written or oral) relating to such
subject matter, including the letter agreement and term sheet attached
thereto dated October 5, 1999 among AWS, DCC and DCCLP.

12.2 AMENDMENT; WAIVER. Neither this Agreement nor any provision
hereof may be amended or modified except in a writing signed by each of the
Qualified Members; PROVIDED, that any amendment or modification that
adversely affects a non-Qualified Member shall require the consent of such
Member. No failure or delay of any Member in exercising any power or right
hereunder shall operate as a waiver thereof, nor shall any single or partial
exercise of any such right or power, or any abandonment or discontinuance of
steps to enforce any such right or power, preclude any other further exercise
thereof or the exercise of any other right or power. No waiver by any Member
of any departure by any other Member from any provision of this Agreement
shall be effective unless the same shall be in a writing signed by the Member
against which enforcement of such waiver or consent is sought, and then such
waiver or consent shall be effective only in the specific instance and for
the specific purpose for which it was given. No notice or similar
communication by any Member to another shall entitle such other Member to any
other or further notice or similar communication in similar or other
circumstances, except as specifically provided herein.

12.3 SPECIFIC PERFORMANCE. The Members acknowledge that money
damages may not be an adequate remedy for violations of this Agreement and
that any Member may, in its sole discretion, in an arbitration or a court of
competent jurisdiction, to the extent permitted hereunder, apply for specific
performance or injunctive or other relief as such arbitration or court may
deem just and proper in order to enforce this Agreement or to

prevent violation hereof and, to the extent permitted by applicable law, each
Member waives any objection to the imposition of such relief.

12.4 REMEDIES CUMULATIVE. All rights, powers and remedies
provided under this Agreement or otherwise available in respect hereof at law
or in equity shall, unless otherwise specifically provided herein, be
cumulative and not alternative, and the exercise or beginning of the exercise
of any right, power or remedy thereof by a Member shall not preclude the
simultaneous or later exercise of any other such right, power or remedy by
such Member.

12.5 SUCCESSORS AND ASSIGNS. This Agreement shall be binding
upon and shall inure to the benefit of the Members and their respective
successors and permitted assigns. No Member may assign its rights or
delegate its duties under this Agreement without the written consent of the
other Members except to the extent expressly provided in this Agreement.

12.6 NO THIRD PARTY BENEFICIARIES. This Agreement is entered
into solely for the benefit of the Members and no Person other than the
Members, their respective successors and permitted assigns, their Affiliates
to the extent expressly provided herein, and (to the extent provided in
Article 11) the Persons entitled to indemnification pursuant to Article 11,
may exercise any right or enforce any obligation hereunder.

12.7 FURTHER ASSURANCES. Each Member will execute and deliver
such further documents and take such further actions as any other Member may
reasonably request consistent with the provisions hereof in order to effect
the intent and purposes of this Agreement.

12.8 NOTICES. All notices or other communications hereunder
shall be in writing and shall be deemed to have been duly given or made (i)
upon delivery if delivered personally (by courier service or otherwise) or
(ii) upon confirmation of dispatch if sent by facsimile transmission (which
confirmation shall be sufficient if shown on the journal produced by the
facsimile machine used for such transmission), and all legal process with
regard hereto shall be validly served when served in accordance with
applicable law, in each case to the applicable addresses set forth below (or
such other address as the recipient may specify in accordance with this
Section):

If to a Member or Representative of the DCC Member Group, to such
Member or Representative:

c/▇ ▇▇▇▇▇▇ Communications Corporation
▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇
▇▇▇▇▇▇▇▇ ▇▇▇▇, ▇▇ ▇▇▇▇▇
Attn: General Counsel
Fax: (▇▇▇) ▇▇▇-▇▇▇▇

with a copy to:

▇▇▇▇▇▇▇ & ▇▇▇▇▇▇, LLP
▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇
Attn: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Fax: (▇▇▇) ▇▇▇-▇▇▇▇

If to a Member or Representative of the AWS Member Group, to such
Member or Representative:

c/o AT&T Wireless Services, Inc.
▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇
▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇
Attn: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇
Fax: (▇▇▇) ▇▇▇-▇▇▇▇

with a copy to:

AT&T Wireless Services, Inc.
▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇
▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇
Attn: General Counsel
Fax: (▇▇▇) ▇▇▇-▇▇▇▇

If to any other Member, to the address of such Person for notices set forth
in the records of the Company.

12.9 GOVERNING LAW. This Agreement shall be governed by and
construed in accordance with the internal laws of the State of Delaware,
without regard to principles of conflicts of law.

12.10 SEVERABILITY. If any term of this Agreement or the
application thereof to any Member or any circumstance shall be held invalid
or unenforceable to any extent, the remainder of this Agreement and the
application of such term to the other Members or circumstances shall not be
affected thereby and shall be enforced to the greatest extent permitted by
applicable law, so long as the economic and legal substance of this Agreement
and the actions contemplated hereby is not affected in any manner adverse to
any Member.

12.11 INDEPENDENT CONTRACTORS. The Members are independent
contractors, and this Agreement does not create a partnership or agency
relationship between the Members, or any other relationship between the
Members except as expressly set forth herein. No Member shall have any right
or authority to assume, create or incur any liability or obligation, express
or implied, in the name or on behalf of any other Member.

12.12 DISPOSITION OF INTERESTS. Upon the sale or other
disposition by a Person of all its Interests in the Company, following which
such Person and Affiliate thereof is no longer a Member of the Company, this
Agreement shall terminate as to such Member and its Affiliates except as
provided in Section 12.13.

12.13 SURVIVAL OF RIGHTS AND DUTIES. Termination of this
Agreement for any reason shall not relieve any Member of any liability which
at the time of termination has already accrued to such Member or which
thereafter may accrue in respect of any act or omission prior to such
termination, nor shall any such termination affect in any way the other
Related Agreements or the survival of any right, duty or obligation of any
Member which is expressly stated elsewhere in this Agreement to survive
termination hereof. Sections 8.3, 8.9 and 8.11 and Articles 11 and 12 shall
survive any termination of this Agreement, including any termination pursuant
to Section 12.12 in connection with the consummation of a purchase and sale
transaction pursuant to the Buy-Sell Procedure.

12.14 COUNTERPARTS. This Agreement may be executed in any number
of counterparts, each of which shall be deemed to be an original, but all of
which together shall constitute one instrument.

12.15 CONSTRUCTION. Each of the parties hereto acknowledges that
it has reviewed this Agreement and that the normal rule of construction to
the effect that any ambiguities are to be resolved against the drafting party
shall not be employed in the interpretation of this Agreement or any
amendments hereto. The captions used herein are for convenience of reference
only and shall not affect the interpretation or construction hereof. All
pronouns and any variations thereof shall be deemed to refer to the
masculine, feminine, neuter, singular or plural as the context may require.
Unless otherwise specified, (a) the terms "hereof," "herein" and similar
terms refer to this Agreement as a whole, (b) references herein to Articles
or Sections refer to articles or sections of this Agreement and (c) the word
"including" connotes the words "including without limitation" unless the
context requires otherwise.

12.16 NO RIGHT TO PARTITION. No Member shall have the right to
bring an action for partition against the Company. Each of the Members
hereby irrevocably waives any and all rights which it may have to maintain an
action to partition Company property or to compel any sale or transfer
thereof.

12.17 DE FACTO AND DE JURE TRANSFERS OF CONTROL. Notwithstanding
anything to the contrary contained herein, to the extent that, by reason of
any action taken or proposed to be taken, by or on behalf of a Member or any
Member Group (including any actions taken in accordance with the provisions
of Articles 7, 8, or 9 of this Agreement), there would be a de jure or de
facto transfer of control of the Company, (a) if such transfer of control
requires prior notice to, or the prior approval of, the FCC, then no such
action shall be taken unless and until the FCC has approved such transfer of
control, and in such case, the Member proposing to take (or whose Member
Group is proposing to take) such action shall be responsible for assuring
that all required notifications or applications to the FCC have been filed,
and all required consents from the FCC have been obtained, before such
transfer of control is made; and (b) if such transfer of control requires
notification to the FCC after it has occurred, the Member taking such action
(or whose Member Group has taken such action) shall be responsible for
assuring that all required notifications to the FCC have been

filed. In any such event, the responsible Member shall assure that all
required applications and/or notifications are timely filed and are accurate
and complete in all material respects, and such Member shall execute and file
any such applications or notifications on behalf of the Company.

[SIGNATURE PAGE FOLLOWS]

IN WITNESS WHEREOF, the parties hereto have executed this Agreement
as of the date first above written.

AT&T WIRELESS SERVICES JV CO.

By: /s/ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
--------------------------------------------
Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇
Title: VP

▇▇▇▇▇▇ ▇▇ COMPANY

By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
--------------------------------------------
Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇
Title: Vice President

Agreed and accepted with respect
to Sections 8.1, 8.2, 8.3 and 8.4 only:

AT&T CORP.

By: /s/ ▇ ▇ ▇▇▇▇▇▇
--------------------------------
Name: ▇ ▇ ▇▇▇▇▇▇
Title: VP

TABLE OF CONTENTS

PAGE
----

ARTICLE 1 DEFINITIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

ARTICLE 2 ORGANIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.1 Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2 Principal Place of Business. . . . . . . . . . . . . . . . . . . . . . 17
2.3 Registered Office; Registered Agent... . . . . . . . . . . . . . . . . 17
2.4 Term.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.5 Purpose and Powers.. . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.6 Filings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.7 Sole Agreement.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

ARTICLE 3 CAPITALIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.1 Capital Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Capital Contributions. . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3 No Withdrawals.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

ARTICLE 4 PROFITS AND LOSSES . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1 Profits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 Limitation on Losses.. . . . . . . . . . . . . . . . . . . . . . . . . 20
4.3 Special Allocations. . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.4 Curative Allocations.. . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5 Allocation of Credits. . . . . . . . . . . . . . . . . . . . . . . . . 22
4.6 Tax Allocations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.7 Change in Member's Interests . . . . . . . . . . . . . . . . . . . . . 23

ARTICLE 5 DISTRIBUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.1 Distributable Cash . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2 Liquidating Distributions. . . . . . . . . . . . . . . . . . . . . . . 23

ARTICLE 6 ACCOUNTING AND RECORDS . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1 Fiscal Year. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2 Method of Accounting.. . . . . . . . . . . . . . . . . . . . . . . . . 23
6.3 Books and Records; Inspection. . . . . . . . . . . . . . . . . . . . . 24
6.4 Financial. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.5 Taxation.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

ARTICLE 7 MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.1 Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.2 Meetings of Management Committee.. . . . . . . . . . . . . . . . . . . 27
7.3 Actions by Management Committee. . . . . . . . . . . . . . . . . . . . 28

ARTICLE 8 OPERATING AGREEMENTS AND OTHER COVENANTS . . . . . . . . . . . . . . . . 30
8.1 Limited Exclusivity. . . . . . . . . . . . . . . . . . . . . . . . . . 30
8.2 Roaming Preference . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8.3 Resale and Agency Agreements.. . . . . . . . . . . . . . . . . . . . . 32
8.4 Long Distance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.5 Equipment Discounts. . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.6 Roaming Agreements.. . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.7 Certain Restrictions.. . . . . . . . . . . . . . . . . . . . . . . . . 33
8.8 Other Business; Duties; Etc. . . . . . . . . . . . . . . . . . . . . . 33
8.9 Confidentiality. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.10 Conversion to Corporation. . . . . . . . . . . . . . . . . . . . . . . 35
8.11 Dispute Resolution.. . . . . . . . . . . . . . . . . . . . . . . . . . 36
8.12 Disqualifying Transaction. . . . . . . . . . . . . . . . . . . . . . . 37

ARTICLE 9 TRANSFER RESTRICTIONS; EXIT RIGHTS; CHANGE OF CONTROL OF DCC . . . . . . 38
9.1 General Restrictions on Transfers. . . . . . . . . . . . . . . . . . . 38
9.2 Right of First Refusal . . . . . . . . . . . . . . . . . . . . . . . . 39
9.3 Tag-Along Right. . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.4 Indirect Transfers.. . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.5 Substituted. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
9.6 Invalid Transfers Void . . . . . . . . . . . . . . . . . . . . . . . . 43
9.7 Determination of Fair Market Value . . . . . . . . . . . . . . . . . . 43
9.8 Change of Control of DCC . . . . . . . . . . . . . . . . . . . . . . . 44
9.9 Buy-Sell Procedure.. . . . . . . . . . . . . . . . . . . . . . . . . . 45
9.10 IPO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

ARTICLE 10 DISSOLUTION AND TERMINATION . . . . . . . . . . . . . . . . . . . . . . 47
10.1 No Withdrawal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
10.2 Dissolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
10.3 Procedures Upon Dissolution. . . . . . . . . . . . . . . . . . . . . . 47
10.4 Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

ARTICLE 11 EXCULPATION AND INDEMNIFICATION . . . . . . . . . . . . . . . . . . . . 49
11.1 No Personal Liability. . . . . . . . . . . . . . . . . . . . . . . . . 49
11.2 Indemnification by Company.. . . . . . . . . . . . . . . . . . . . . . 49
11.3 Notice and Defense of Claims.. . . . . . . . . . . . . . . . . . . . . 49

ARTICLE 12 MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12.1 Entire Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12.2 Amendment; Waiver. . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12.3 Specific Performance.. . . . . . . . . . . . . . . . . . . . . . . . . 52
12.4 Remedies Cumulative. . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5 Successors and Assigns . . . . . . . . . . . . . . . . . . . . . . . . 52
12.6 No Third Party Beneficiaries.. . . . . . . . . . . . . . . . . . . . . 52
12.7 Further Assurances . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.8 Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.9 Governing Law. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
12.10 Severability.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
12.11 Independent Contractors. . . . . . . . . . . . . . . . . . . . . . . . 53
12.12 Disposition of Interests . . . . . . . . . . . . . . . . . . . . . . . 54
12.13 Survival of Rights and Duties. . . . . . . . . . . . . . . . . . . . . 54
12.15 Construction.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

12.16 No Right to Partition. . . . . . . . . . . . . . . . . . . . . . . . . 54
12.17 De Facto and De Jure Transfers of Control. . . . . . . . . . . . . . . 55

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AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT

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