AT&T CORP
SC 13D, 1998-10-13
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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 ==============================================================================


                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D


                    Under the Securities Exchange Act of 1934


                         Vanguard Cellular Systems, Inc.
                         -------------------------------
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
                     ---------------------------------------
                         (Title of Class of Securities)

                                     922022
                                     ------
                                 (CUSIP Number)

                             Marilyn J. Wasser, Esq.
                       Vice President -- Law and Secretary
                                   AT&T Corp.
                             295 North Maple Avenue
                            Basking Ridge, N.J. 07920
                                 (908) 221-2000
                  ---------------------------------------------
                  (Name, Address and Telephone Number of Person
                                   Authorized
                     to Receive Notices and Communications)

                                 With a copy to:

                                  David M. Silk
                         Wachtell, Lipton, Rosen & Katz
                  51 West 52nd Street New York, New York 10019
                                 (212) 403-1000


                                 October 2, 1998
                                 ---------------
                  (Date of Event Which Requires Filing of This
                                   Statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of ss.ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box: [  ].


                               Page 1 of 12 Pages
<PAGE>

 ==============================================================================
                                    SCHEDULE 13D
- ----------------------------                            ------------------------
                                                              
     CUSIP No. 922022                                        Page 2 of 12 Pages

- ----------------------------                            ------------------------
- --------------------------------------------------------------------------------
   1         NAME OF REPORTING PERSON
              I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
                   AT&T CORP.
                   I.R.S. IDENTIFICATION NO.  13-4924710
- --------------------------------------------------------------------------------
   2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                      (a) [ ]
                                                                      (b) [ ]
- --------------------------------------------------------------------------------
   3         SEC USE ONLY                                                 [ ]
- --------------------------------------------------------------------------------
   4         SOURCE OF FUNDS
                   WC, OO
- --------------------------------------------------------------------------------
   5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
             PURSUANT TO ITEMS 2(d) OR 2(e)                               [ ]
- --------------------------------------------------------------------------------
   6         CITIZENSHIP OR PLACE ORGANIZATION
                   New York
- --------------------------------------------------------------------------------
              7
                  SOLE VOTING POWER
                        12,334,236

 NUMBER OF
             -------------------------------------------------------------------
              8
   SHARES         SHARED VOTING POWER
                        -0-

BENEFICIALLY
             -------------------------------------------------------------------
              9
  OWNED BY        SOLE DISPOSITIVE POWER
                        12,334,236

    EACH
             -------------------------------------------------------------------
              10
 REPORTING        SHARED DISPOSITIVE POWER
                        -0-

PERSON WITH
- --------------------------------------------------------------------------------
     11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   12,334,236
- --------------------------------------------------------------------------------
     12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
             SHARES                                                       [ ]
- --------------------------------------------------------------------------------
     13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 
                   28.0% (assuming exercise of the Vanguard Option and the
                   Stockholders' Options)
- --------------------------------------------------------------------------------
     14      TYPE OF REPORTING PERSON
                   CO
- --------------------------------------------------------------------------------
<PAGE>

 ITEM 1.     Security and Issuer.

            This Statement on Schedule 13D (this "Schedule 13D") relates to
shares of common stock, par value $0.01 per share ("Vanguard Common Stock"), of
Vanguard Cellular Systems, Inc., a North Carolina corporation ("Vanguard" or the
"Issuer"). The principal executive offices of the Issuer are located at 2002
Pisgah Church Road, Suite 300, Greensboro, North Carolina 27455-3314.


 ITEM 2.     Identity and Background.

            This Statement is being filed by AT&T Corp., a New York corporation
("AT&T"). AT&T is among the world's communications leaders, providing voice,
data and video telecommunications services to large and small businesses,
consumers and government entities. AT&T and its subsidiaries furnish regional,
domestic, international, local and Internet communication transmission services,
including cellular telephone and other wireless services. The principal
executive offices of AT&T are located at 32 Avenue of the Americas, New York,
New York 10013-2412.

            The name, business address, present principal occupation or
employment and citizenship of each director and executive officer of AT&T is set
forth in Schedule I hereto and is incorporated herein by reference.

            During the last five years, neither AT&T, nor, to the knowledge of
AT&T, any of the persons listed on Schedule I hereto, (1) has been convicted in
a criminal proceeding (excluding traffic violations or similar misdemeanors) or
(2) has been a party to a civil proceeding of a judicial or administrative body
of competent jurisdiction and as a result of such proceeding was or is subject
to a judgment, decree or final order enjoining future violations of, or
prohibiting or mandating activities subject to, federal or state securities laws
or finding any violation with respect to such laws.


 ITEM 3.     Source and Amount of Funds or Other Consideration.

            As more fully described in Item 4 hereof, AT&T has entered into the
Vanguard Option Agreement (as defined in Item 4 below) with Vanguard and the
Voting Agreements (as defined in Item 4 below) with certain stockholders of
Vanguard. Pursuant to the Vanguard Option Agreement, Vanguard has granted AT&T
an option to acquire shares of Vanguard Common Stock as described below.
Pursuant to the Voting Agreements, certain stockholders of Vanguard have granted
AT&T an option to acquire such stockholders' shares of Vanguard Common Stock as
described below and have agreed to vote such stockholders' shares of Vanguard
Common Stock in favor of approval of the Merger Agreement (as defined in Item 4
below) and against any acquisition proposal from any person other than AT&T. If
the conditions precedent to permit AT&T to exercise its option to purchase
shares of Vanguard Common Stock pursuant to the Vanguard Option Agreement and/or
the Voting Agreements were satisfied and AT&T so exercised those options, AT&T
currently anticipates that funds for such exercise would be provided from
general funds available to AT&T.

            No funds were used by AT&T in connection with entering into the
Merger Agreement, the Voting Agreements or the Vanguard Option Agreement.


                                       3
<PAGE>

 ITEM 4.     Purpose of Transaction.

            On October 2, 1998, AT&T, Winston, Inc., a wholly owned subsidiary
of AT&T ("Merger Sub"), and Vanguard entered into an Agreement and Plan of
Merger (the "Merger Agreement") providing for, among other things, the merger of
Vanguard with and into Merger Sub (the "Merger"). Following the Merger, the
separate corporate existence of Vanguard shall cease and Merger Sub shall
continue as the surviving corporation (the "Surviving Corporation").

            Pursuant to the terms of the Merger Agreement and subject to
adjustments as set forth therein, at the Effective Time (as defined in the
Merger Agreement), each share of Vanguard Common Stock issued and outstanding
immediately prior to the Effective Time (other than certain shares to be
cancelled and other than dissenters' shares) will be converted into the right to
receive either (i) 0.3987 fully paid and nonassessable shares of common stock,
par value $1.00 per share, of AT&T ("AT&T Common Stock"), or (ii) $23.00 in
cash, without interest, or (iii) a combination of AT&T Common Stock and cash,
subject to the limitation that the overall consideration for such shares will be
limited to 50% cash and 50% AT&T Common Stock.

            Consummation of the Merger is subject to certain conditions set
forth in the Merger Agreement including (i) the affirmative vote of the holders
of a majority of the outstanding shares of Vanguard Common Stock, (ii) obtaining
certain regulatory approvals, including the approval of the United States
Federal Communications Commission, and (iii) the expiration of the applicable
waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976,
as amended, as well as other customary conditions.

            Pursuant to the Merger Agreement, (i) the certificate of
incorporation of Merger Sub in effect immediately prior to the Effective Time
will be the certificate of incorporation of the Surviving Corporation until
thereafter changed or amended as provided therein or by applicable law, (ii) the
by-laws of Merger Sub in effect at the Effective Time will be the by-laws of the
Surviving Corporation until thereafter changed or amended as provided therein by
applicable law and (iii) the directors and officers of Merger Sub will be the
directors and officers, respectively, of the Surviving Corporation, until the
earlier of their resignation or removal or otherwise ceasing to be a director or
officer, as the case may be, or until their respective successors are duly
elected and qualified, as the case may be.

            The Merger Agreement contains certain customary restrictions on the
conduct of the businesses of Vanguard pending the Merger, including certain
customary restrictions relating to the capital stock of Vanguard. Pursuant to
the Merger Agreement, Vanguard has agreed, among other things, that, after the
date of the Merger Agreement and prior to the Effective Time, it will not
declare or pay any dividends on or make other distributions in respect of any
capital stock.

            The Merger Agreement is attached as Exhibit 1 hereto and is
incorporated herein by reference in its entirety. The foregoing summary of the
Merger Agreement does not purport to be complete and is qualified in its
entirety by reference to such exhibit.

            Concurrent with the execution of the Merger Agreement, AT&T and
Vanguard entered into an Option Agreement (the "Vanguard Option Agreement"),
dated as of October 2, 1998, under which Vanguard granted AT&T an option (the
"Vanguard Option") to purchase up to 7,319,000 shares of Vanguard Common Stock,
representing 19.9% of the issued and outstanding Vanguard Common Stock, at an
exercise price of $23.00 per share, subject to certain customary anti-dilution
adjustments.


                                       4
<PAGE>

            Also in connection with the Merger Agreement, AT&T entered into
Voting Agreements (the "Voting Agreements"), dated as of October 2, 1998, with
L. Richardson Preyer, Jr., Haynes G. Griffin, Stephen R. Leeolou, Piedmont
Associates Limited, Stuart S. Richardson, and the Smith Richardson Foundation,
respectively (collectively, the "Stockholders"), under which each of the
Stockholders granted AT&T an option (the "Stockholder's Option") to purchase
such Stockholder's shares (collectively, 5,015,236 shares) of Vanguard Common
Stock at an exercise price of $23.00 per share. However, if AT&T were to offer
increased consideration to all of the holders of Vanguard Common Stock for all
of their shares of Vanguard Common Stock, then the exercise price under the
Voting Agreements would be increased to equal such greater consideration.
Furthermore, if AT&T were to exercise any Stockholder's Option within twelve
months prior to such an increase in consideration, then AT&T would pay to such
Stockholder an amount equal to the product of (x) the number of shares
previously purchased from such Stockholder pursuant to the Voting Agreement and
(y) the amount of increase between the previous per share cash price and the
greater consideration.

            Under the Voting Agreements, each Stockholder has agreed (i) to vote
such Stockholder's shares of Vanguard Common Stock in favor of approval of the
Merger Agreement and against any Acquisition Proposal (as defined in the Merger
Agreement) from any person other than AT&T and (ii) if so requested, to deliver
to AT&T an irrevocable proxy with respect to such shares. Also under the Voting
Agreements, each Stockholder has agreed not to dispose of such Stockholder's
shares unless (a) AT&T elects to receive a cash payment in lieu of exercising
the Stockholder's Option, (b) with regards only to the options granted by Haynes
G. Griffin, Stephen R. Leelou, and L. Richardson Preyer, Jr., such disposal is
made solely to pay the exercise price of employee stock options and tax
liabilities in respect of an exercise of employee stock options, or (c) the
Merger Agreement is terminated as a result of (i) the failure to obtain the
required approval of the Merger Agreement from the Company's shareholders or
(ii) a termination by AT&T as a result of a Terminating Company Breach (as
defined in the Merger Agreement) (which breach is not due to the willful breach
of any representation or warranty or the willful breach of any covenant by
Vanguard), in which case each such Stockholder is permitted to sell (subject to
the proxy referred to above) up to 20% of the shares of Vanguard Common Stock
held by such Stockholder as of the date of the Merger Agreement, but only (x) if
reasonably necessary to provide liquidity to such Stockholder and (y) if at such
time no Acquisition Proposal is pending or could reasonably be expected to
become pending prior to expiration of the Stockholder's Option and there shall
have been no willful breach of the Merger Agreement or the Vanguard Option
Agreement by the Company or the Voting Agreement by such Stockholder. However,
under the circumstances described in both clauses (b) and (c) above, AT&T has a
right of first refusal to purchase, at the lower of $23.00 per share or the
market price, any shares to be sold and, if the shares are sold for an amount
greater than $23.00 per share and AT&T exercises the Option, any Stockholder
that has sold any Shares of Vanguard Common Stock pursuant to the provisions
described therein must remit to AT&T the excess over $23.00 per share received.

            Under the Voting Agreements, each Stockholder has also agreed that
in the event (i) of any stock dividend, stock split, recapitalization,
reclassification, combination or exchange of shares of stock of Vanguard, (ii)
such Stockholder purchases or otherwise acquires beneficial ownership of any
shares of Vanguard Common Stock after October 2, 1998, or (iii) such Stockholder
acquires the right to vote or share in the voting of any shares of Vanguard
Common Stock after October 2, 1998, (collectively, "New Shares") such
Stockholder will upon request deliver an irrevocable proxy with respect to the
New Shares and such New Shares will be subject to the terms of the Voting
Agreements.

            AT&T may not exercise the Vanguard Option until the occurrence of a
Purchase Event (as set forth below). AT&T may not exercise any Stockholder's
Option until either (i) the 


                                       5
<PAGE>

occurrence of a Purchase Event (as set forth below) or (ii) the breach by such
Stockholder of certain provisions of the Voting Agreement.

            A "Purchase Event" will occur upon termination of the Merger
Agreement as a result of: (i) the failure to obtain the required approval of the
shareholders of Vanguard at a meeting of Vanguard stockholders (or of any
adjournment thereof), (ii) termination by AT&T as a result of (a) the withdrawal
or adverse modification (or failure to reconfirm) by the Board of Directors of
Vanguard of its recommendation of the Merger or the Merger Agreement, (b) the
determination by the Board of Directors of Vanguard to recommend an alternative
acquisition proposal or to accept a Superior Proposal (as defined in the Merger
Agreement), (c) a tender offer or exchange offer which would result in any
person or group becoming a beneficial owner of 20% or more of the outstanding
shares of Vanguard Common Stock is commenced and the Board of Directors of
Vanguard fails to recommend that the shareholders of Vanguard not tender their
shares in such tender or exchange offer, (d) any person or group becoming the
beneficial owner of 20% or more of the outstanding shares of Vanguard Common
Stock, (e) the failure of Vanguard to call or hold a meeting of the shareholders
of Vanguard by the Outside Date (as defined in the Merger Agreement) or (f)
Vanguard furnishing confidential information or data to, or engaging in
negotiations or discussions with, another person or group regarding an
alternative acquisition proposal, (iii) termination by Vanguard upon the Board
of Directors of Vanguard determining to accept a Superior Proposal, (iv)
termination by AT&T as a result of any development or change of circumstances
that constitutes or could reasonably be expected to have a Material Adverse
Effect (as defined in the Merger Agreement) on Vanguard and such Material
Adverse Effect not being cured within 30 days, or as a result of certain
breaches of the Merger Agreement, the Voting Agreements or the Vanguard Option
Agreement; provided, however, that in the circumstances described in clauses
(ii)(f) and (iv) hereof, a Purchase Event will not occur unless within twelve
months of such termination, (A) Vanguard or any of its subsidiaries enters into
an agreement concerning a transaction that constitutes an Acquisition Proposal
or (B) any Person or Persons (other than AT&T) publicly announces a tender,
exchange or other offer that results in such Person or Persons purchasing 20% or
more of the assets or voting securities of Vanguard and its subsidiaries, or
Vanguard or any of its subsidiaries enters into an agreement having such effect.

            The Voting Agreements and the Stockholders' Options will terminate
on the earliest to occur of (a) the effective time of the Merger, (b) 12 months
and one day after a termination of the Merger Agreement under any provision
thereof that is or could result in the occurrence of a Purchase Event, (c)
termination of the Merger Agreement under any provision thereof that is not and
could not result in a Purchase Event, and (d) 18 months from the Outside Date.
The Vanguard Option will terminate on the earliest to occur of (a) the effective
time of the Merger, (b) 12 months and one day after a termination of the Merger
Agreement under any provision that is or could result in the occurrence of a
Purchase Event, and (c) termination of the Merger Agreement under any provision
thereof that is not and could not result in a Purchase Event.

            The Vanguard Option Agreement is attached as Exhibit 2 hereto and is
incorporated herein by reference in its entirety. The foregoing summary of the
Vanguard Option Agreement does not purport to be complete and is qualified in
its entirety by reference to such exhibit. The Voting Agreements are attached as
Exhibit 3 hereto and are incorporated herein by reference in their entirety. The
foregoing summary of the Voting Agreements does not purport to be complete and
is qualified in its entirety by reference to such exhibit.

            Except as contemplated by the Merger Agreement, the Vanguard Option
Agreement and the Voting Agreements or as otherwise set forth in this Item 4,
neither AT&T, nor, to the knowledge of AT&T, any of the persons listed on
Schedule I hereto, has any present 


                                       6
<PAGE>

plans or proposals which relate to or which would result in or relate to any of
the actions specified in subparagraphs (a) through (j) of Item 4 of 
Schedule 13D.


 ITEM 5.     Interest in Securities of the Issuer.

            Neither AT&T nor, to the knowledge of AT&T, any of the persons
listed on Schedule I hereto beneficially owns any shares of Vanguard Common
Stock other than as set forth herein or as listed on Schedule I hereto. Prior to
the Vanguard Option and the Stockholders' Options becoming exercisable and being
exercised, AT&T expressly disclaims beneficial ownership of the shares of
Vanguard Common Stock which may be purchasable by AT&T thereunder. Neither the
filing of this Schedule 13D nor any of its contents shall be deemed to
constitute an admission that AT&T is the beneficial owner of the shares of
Vanguard Common Stock subject to the Vanguard Option and the Stockholders'
Options for purposes of Section 13(d) or 16 of the Securities Exchange Act of
1934, as amended, or for any other purpose and such beneficial ownership is
expressly disclaimed.

             (a)  Pursuant to the Vanguard Option, AT&T has been granted an
                  option to purchase up to 7,319,000 shares of Vanguard
                  Common Stock at $23.00 per share, subject to customary
                  antidilution adjustments as provided therein.  Pursuant to
                  the Stockholder's Option, AT&T has been granted an option
                  to purchase each Stockholder's shares at an exercise price
                  of $23.00 per share (subject to adjustment as described in
                  Item 4 above).  The Vanguard Option and the Stockholders'
                  Options become exercisable under certain conditions
                  described in Item 4 above.  Based on the number of
                  outstanding shares of Vanguard Common Stock on June 30,
                  1998, if all of such options were exercised in full, AT&T
                  would beneficially own 28.0% of the shares of Vanguard
                  Common Stock outstanding following exercise of the Vanguard
                  Option and each of the Stockholder's Options.

             (b)  AT&T would have sole voting and dispositive power with respect
                  to any shares of Vanguard Common Stock acquired upon exercise
                  of the Vanguard Option and/or the Stockholders' Options.

             (c)  Except as described in Item 4 hereof or as listed on Schedule
                  I hereto, no transactions in the Vanguard Common Stock were
                  effected by AT&T, or, to the knowledge of AT&T, any of the
                  persons listed on Schedule I hereto, during the 60-day period
                  preceding October 2, 1998.

             (d)   Except as described in Item 4 above, until the Vanguard
                  Option and/or any Stockholder's Option are exercised, AT&T
                  has no right to receive dividends from, or the proceeds
                  from the sale of, the shares of Vanguard Common Stock
                  subject to the Vanguard Option and the Stockholders'
                  Options. If the Vanguard Option and/or any Stockholder's
                  Option were exercised by AT&T, AT&T would have the sole
                  right to receive dividends on the shares of Vanguard Common
                  Stock acquired pursuant thereto.

             (e) Not applicable.


                                       7
<PAGE>

 ITEM 6.     Contracts, Arrangements, Understandings or Relationships with
             Respect to Securities of the Issuer.

            Except as set forth in this Schedule 13D, to the knowledge of AT&T,
there are no other contracts, arrangements, understandings or relationships
(legal or otherwise) among the persons named in Item 2 or listed on Schedule I
hereto, and between such persons and any person with respect to any securities
of Vanguard, including but not limited to, transfer or voting of any of the
securities of Vanguard, joint ventures, loan or option arrangements, puts or
calls, guarantees or profits, division of profits or loss, or the giving or
withholding of proxies, or a pledge or contingency the occurrence of which would
give another person voting power over the securities of Vanguard.


 ITEM 7.     Material to be Filed as Exhibits.

           1. Agreement and Plan of Merger, dated as of October 2, 1998, by
              and among AT&T Corp., Winston, Inc. and Vanguard Cellular
              Systems, Inc.

           2. Option Agreement, dated as of October 2, 1998, between Vanguard
              Cellular Systems, Inc., as Issuer, and AT&T Corp., as Grantee.

           3. Voting Agreements, dated as of October 2, 1998, between certain
              stockholders of Vanguard Cellular Systems, Inc. and AT&T Corp.






                                       8
<PAGE>

                                   SIGNATURES


            After reasonable inquiry and to my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.


 Dated:  October 13, 1998

                                   AT&T CORP.




                                    By:  /s/  Robert S. Feit
                                    Name:     Robert S. Feit
                                    Title:    Authorized Signatory





                                       9
<PAGE>

                                   SCHEDULE I

            The name and present principal occupation of each director and
executive officer of AT&T Corp. are set forth below. The business address for
each person listed below is c/o AT&T Corp., 295 North Maple Avenue, Basking
Ridge, New Jersey 07920. All executive officers and directors listed on this
Schedule I are United States citizens.




Name                       Title

C. Michael Armstrong       Chairman and Chief Executive Officer and Director

Kenneth T. Derr            Director; Chief Executive Officer of Chevron
                           Corporation

M. Kathryn Eickhoff        Director; President of Eickhoff Economics, Inc.

Walter Y. Elisha           Director; Chairman and Chief Executive Officer of 
                           Springs Industries, Inc.

George M. C. Fisher        Director; Chairman and Chief Executive Officer of 
                           Eastman Kodak Company

Donald V. Fites            Director; Chairman and Chief Executive Officer of 
                           Caterpillar, Inc.

Ralph S. Larsen            Director; Chairman and Chief Executive Officer of 
                           Johnson & Johnson

Donald F. McHenry          Director; President of IRC Group

Michael I. Sovern          Director; President Emeritus and Chancellor Kent
                           Professor of Law at Columbia University

Sanford I. Weill           Director; Chairman and Chief Executive Officer of 
                           Travelers Group

Thomas H. Wyman            Director; Senior Advisor of SBC Warburg, Inc.

John D. Zeglis             President and Director

R. Annunziata              Executive Vice President

Harold W. Burlingame       Executive Vice President - Human Resources

Dan R. Hesse               Executive Vice President and President & CEO
                           - AT&T Wireless Services, Inc.

Frank Ianna                Executive Vice President - Network & Computing 
                           Services

Michael Keith              Executive Vice President - Business Services



<PAGE>

Richard J. Martin          Executive Vice President - Public Relations
                           and Employee Communication

David C. Nagel             President - AT&T Labs & Chief Technology
                           Officer

John C. Petrillo           Executive Vice President - Corp. Strategy &
                              Business Development

Richard Roscitt            Executive Vice President and President & CEO
                           - AT&T Solutions

Daniel E. Somers           Senior Executive Vice President & Chief
                           Financial Officer





<PAGE>

                                INDEX OF EXHIBITS


           1. Agreement and Plan of Merger, dated as of October 2, 1998, by
              and among AT&T Corp., Winston, Inc. and Vanguard Cellular
              Systems, Inc.

           2. Option Agreement, dated as of October 2, 1998, between Vanguard
              Cellular Systems, Inc., as Issuer, and AT&T Corp., as Grantee.

           3. Voting Agreements, dated as of October 2, 1998, between certain
              stockholders of Vanguard Cellular Systems, Inc. and AT&T Corp.






                          AGREEMENT AND PLAN OF MERGER


                           DATED AS OF OCTOBER 2, 1998


                                      AMONG


                                   AT&T CORP.,


                                  WINSTON, INC.


                                       AND


                         VANGUARD CELLULAR SYSTEMS, INC.




<PAGE>

                                TABLE OF CONTENTS
                                -----------------


                                                                            Page
                                                                            ----

                                   ARTICLE I.
                                 PLAN OF MERGER

1.1   The Merger  ...........................................................2
1.2   Effective Time  .......................................................2
1.3   Effects of the Merger  ................................................2
1.4   Certificate of Incorporation  .........................................2
1.5   By-Laws  ..............................................................2
1.6   Directors and Officers of Surviving Corporation  ......................2
1.7   Effect on Capital Stock................................................2
1.8   Adjustment of Merger Consideration  ...................................7
1.9   No Further Ownership Rights in Company Common Stock  ..................8
1.10  No Fractional Shares  .................................................8
1.11  Shares of Dissenting Shareholders  ....................................8
1.12  The Company Options  ..................................................9


                                   ARTICLE II.
                            EXCHANGE OF CERTIFICATES

2.1   Closing  ..............................................................9
2.2   Exchange Agent  .......................................................9
2.3   Exchange and Payment Procedures  .....................................10
2.4   Distributions with Respect to Unexchanged Shares  ....................10
2.5   Termination of Exchange Fund  ........................................11
2.6   No Liability  ........................................................11
2.7   Lost Certificates  ...................................................11
2.8   Withholding Rights  ..................................................11
2.9   Further Assurances  ..................................................12
2.10  Stock Transfer Books  ................................................12


                                  ARTICLE III.
                         REPRESENTATIONS AND WARRANTIES

3.1   Representations and Warranties of the Company  .......................12
3.2   Joint and Several Representations and Warranties of Parent
        and Merger Sub  ....................................................25



<PAGE>

                                                                            Page
                                                                            ----

                                   ARTICLE IV.
                  COVENANTS RELATING TO CONDUCT OF BUSINESS

4.1   Covenants of the Company  ............................................28
4.2   Reasonable Efforts  ..................................................32
4.3   NYSE Listing  ........................................................33
4.4   Advice of Changes; Government Filings  ...............................33
4.5   Control of Other Party's Business  ...................................34


                                   ARTICLE V.
                              ADDITIONAL AGREEMENTS

5.1   Preparation of Proxy Statement/Registration; Company
        Shareholder Meeting  ...............................................34
5.2   Access to Information  ...............................................35
5.3   Approvals and Consents; Cooperation  .................................35
5.4   Acquisition Proposals  ...............................................36
5.5   Employee Benefits  ...................................................37
5.6   Fees and Expenses  ...................................................38
5.7   Indemnification; Directors' and Officers' Insurance  .................38
5.8   Public Announcements  ................................................39
5.9   Debentures  ..........................................................39
5.10  Affiliate Letters  ...................................................39


                                   ARTICLE VI.
                              CONDITIONS PRECEDENT

6.1   Conditions to Each Party's Obligation to Effect the Merger  ..........40
6.2   Additional Conditions to Obligations of Parent and Merger
        Sub  ...............................................................41
6.3   Additional Conditions to Obligations of the Company  .................42


                                  ARTICLE VII.
                            TERMINATION AND AMENDMENT

7.1   Termination  .........................................................43
7.2   Effect of Termination  ...............................................45
7.3   Amendment  ...........................................................47
7.4   Extension; Waiver  ...................................................47


                                  ARTICLE VIII.
                               GENERAL PROVISIONS

8.1   No Survival of Representations, Warranties and Agreements  ...........47
8.2   Notices  .............................................................47


                                      -ii-
<PAGE>

                                                                            Page
                                                                            ----

8.3   Interpretation  ......................................................48
8.4   Counterparts  ........................................................48
8.5   Entire Agreement; No Third Party Beneficiaries  ......................48
8.6   Governing Law  .......................................................49
8.7   Severability  ........................................................49
8.8   Assignment  ..........................................................49
8.9   Enforcement  .........................................................49
8.10  Definitions  .........................................................49












                                     -iii-
<PAGE>

                            GLOSSARY OF DEFINED TERMS

DEFINITION                                                         LOCATION OF
                                                                  DEFINED TERM
Acquisition Proposal...............................................Section 5.4
Adjustment Shares..................................................Section 1.8
Affiliate Letter..................................................Section 5.10
Agreement.............................................................Preamble
Approval Satisfaction Date.....................................Section 8.10(d)
Articles of Merger.................................................Section 1.2
Board of Directors.............................................Section 8.10(a)
Business Day...................................................Section 8.10(b)
Cash Election...................................................Section 1.7(e)
Cash Fraction.............................................Section 1.7(f)(C)(1)
Certificate of Merger..............................................Section 1.2
Certificates....................................................Section 1.7(e)
Closing............................................................Section 2.1
Closing Date.......................................................Section 2.1
Code..................................................................Preamble
Communications Act.........................................Section 3.1(c)(iii)
Company...............................................................Preamble
Company Benefit Plans.......................................Section 3.1(1)(ii)
Company Common Stock.....................................Recitals; Section 1.7
Company Disclosure Schedule....................................Section 8.10(m)
Company Material Contracts...................................Section 3.1(k)(i)
Company Options................................................Section 1.12(a)
Company Permits.................................................Section 3.1(f)
Company Required Regulatory Approvals...........................Section 6.2(e)
Company SEC Reports..........................................Section 3.1(d)(i)
Company Stock Option Plans........................................Section 1.12
Company Shareholders Meeting....................................Section 5.1(e)
Company Voting Debt........................................Section 3.1(b)(iii)
Controlled Group Liability...................................Section 3.1(l)(i)
Debentures.........................................................Section 5.9
Debentures Indenture...............................................Section 5.9
Defeasance......................................................Section 5.9(b)
DGCL...............................................................Section 1.1
Dissenting Shares.................................................Section 1.11
Effective Time.....................................................Section 1.2
Election........................................................Section 1.7(e)
Election Deadline...............................................Section 1.7(i)
Environmental Law...............................................Section 3.1(q)
ERISA........................................................Section 3.1(l)(i)
ERISA Affiliate..............................................Section 3.1(l)(i)
ESPP............................................................Section 5.5(a)



                                      -iv-
<PAGE>

Exchange Act...............................................Section 3.1(c)(iii)
Exchange Agent.....................................................Section 2.2
Exchange Fund......................................................Section 2.2
Expenses...........................................................Section 5.6
Extension Conditions............................................Section 7.1(b)
FCC........................................................Section 3.1(c)(iii)
FCC Consents....................................................Section 6.1(c)
Final Order....................................................Section 8.10(e)
Form of Election................................................Section 1.7(e)
GAAP.........................................................Section 3.1(d)(i)
Governmental Entity........................................Section 3.1(c)(iii)
Guaranty of Delivery...................................Section 1.7(h)(C)(2)(i)
Hazardous Substance.............................................Section 3.1(q)
HSR Act....................................................Section 3.1(c)(iii)
Intellectual Property...........................................Section 3.1(r)
IRS..........................................................Section 3.1(l)(i)
Knowledge......................................................Section 8.10(f)
Law.............................................................Section 3.1(f)
Liens.......................................................Section 3.1(b)(ii)
Material Adverse Effect........................................Section 8.10(c)
Merger...................................................Recitals; Section 1.1
Merger Consideration............................................Section 1.7(b)
Merger Sub............................................................Preamble
Nasdaq.....................................................Section 3.1(c)(iii)
NCBCA..............................................................Section 1.1
NOLs............................................................Section 3.1(h)
Non-Election....................................................Section 1.7(e)
Non-Election Fraction.....................................Section 1.7(h)(C)(1)
NYSE...................................................Section 1.7(h)(C)(2)(i)
Option Agreement .....................................................Preamble
Organizational Documents.......................................Section 8.10(h)
Outside Date....................................................Section 7.1(b)
Parent................................................................Preamble
Parent Common Stock.............................................Section 1.7(b)
Parent Required Regulatory Approvals............................Section 6.3(c)
Parent SEC Reports...........................................Section 3.2(e)(i)
PCS................................................................Section 4.2
Per Share Cash Amount...........................................Section 1.7(b)
Per Share Stock Amount..........................................Section 1.7(b)
Person.........................................................Section 8.10(i)
Proposed Amendment.................................................Section 5.9
Proprietary Technology..........................................Section 3.1(r)
Proxy Statement.................................................Section 5.1(a)
Registration Statement..........................................Section 5.1(a)
Reorganization..................................................Section 4.1(f)


                                      -v-
<PAGE>

Representative..................................................Section 1.7(e)
Required Company Vote...........................................Section 3.1(i)
Required Consents..............................................Section 8.10(j)
Required Regulatory Approvals...................................Section 5.3(e)
SEC..........................................................Section 3.1(d)(i)
Securities Act.............................................Section 3.1(c)(iii)
Stock Election..................................................Section 1.7(e)
Stock Fraction............................................Section 1.7(g)(C)(1)
Subsidiary.....................................................Section 8.10(k)
Superior Proposal..................................................Section 5.4
Surviving Corporation..............................................Section 1.1
Tax............................................................Section 8.10(l)
Taxable........................................................Section 8.10(l)
Taxes..........................................................Section 8.10(l)
Tax Return.....................................................Section 8.10(l)
Tender Offer.......................................................Section 5.9
Terminating Company Breach......................................Section 7.1(g)
Terminating Parent Breach.......................................Section 7.1(h)
the other party................................................Section 8.10(g)
to the knowledge...............................................Section 8.10(e)
Violation...................................................Section 3.1(c)(ii)
Voting Agreements.....................................................Preamble


                                      -vi-
<PAGE>

            AGREEMENT AND PLAN OF MERGER, dated as of October 2, 1998 (this
"Agreement"), by and among AT&T Corp., a New York corporation ("Parent"),
Winston, Inc., a Delaware corporation and a wholly owned subsidiary of Parent
("Merger Sub"), and Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company").

                                   WITNESSETH.

            WHEREAS, the respective Boards of Directors of Parent, Merger Sub
and the Company have each determined that the Merger is in the best interests of
their respective shareholders and have approved the Merger upon the terms and
subject to the conditions set forth in this Agreement, whereby each issued and
outstanding share of Class A Common Stock, par value $.01 per share, of the
Company ("Company Common Stock"), other than shares owned directly or indirectly
by the Company, will be converted into the right to receive the consideration
set forth herein;

            WHEREAS, in order to effectuate the foregoing, the Company, upon the
terms and subject to the conditions of this Agreement and in accordance with the
Business Corporation Act of the State of North Carolina, will merge with and
into Merger Sub in a merger in which Merger Sub shall be the surviving
corporation;

            WHEREAS, for federal income tax purposes, it is intended that the
Merger qualify as a reorganization within the meaning of Section 368(a) of the
Internal Revenue Code of 1986, as amended (the "Code");

            WHEREAS, Parent has requested, and the Company has agreed, as a
condition to Parent's willingness to enter into this Agreement, that the Company
enter into that certain Option Agreement, dated as of the date hereof and
attached hereto as Annex A (the "Option Agreement");

            WHEREAS, Parent has requested, and the certain stockholders of the
Company have agreed, as a condition to Parent's willingness to enter into this
Agreement, that certain stockholders of the Company enter into those certain
Voting and Option Agreements dated as of the date hereof and attached hereto as
Annex B ("Voting Agreements"); and

            WHEREAS, Parent, Merger Sub and the Company desire to make certain
representations, warranties, covenants and agreements in connection with the
Merger and also to prescribe various conditions to the Merger.

            NOW, THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements set forth herein, and
intending to be legally bound hereby, the parties hereto agree as follows:



<PAGE>

                                   ARTICLE I.
                                 PLAN OF MERGER

            1.1 The Merger. In accordance with the North Carolina Business
Corporation Act (the "NCBCA") and the Delaware General Corporation Law (the
"DGCL"), the Company shall be merged with and into Winston, Inc., a Delaware
corporation and wholly owned subsidiary of Parent ("Merger Sub") (the "Merger").
Following the Merger, the separate corporate existence of the Company shall
cease and Merger Sub shall continue as the surviving corporation (the "Surviving
Corporation") in accordance with Section 55-11-07 of the NCBCA and Section 252
of the DGCL.

            1.2 Effective Time. The Merger shall become effective when (i)
articles of merger (the "Articles of Merger") are filed with the Secretary of
State of North Carolina in such form as is required by and executed in
accordance with Section 55-11-05 of the NCBCA and a certificate of merger (a
"Certificate of Merger") is filed with the Secretary of State of Delaware in
accordance with Sections 251 and 252 of the DGCL or (ii) such other time as
Parent and the Company shall agree in writing should be specified in the
Articles of Merger (the date and time the Merger becomes effective being the
"Effective Time").

            1.3 Effects of the Merger. At and after the Effective Time, the
Merger will have the effects set forth in Section 55-11-06 of the NCBCA and
Section 259 of the DGCL. Without limiting the generality of the foregoing, and
subject thereto, at the Effective Time all the property, rights, privileges,
powers and franchises of the Company and Merger Sub shall be vested in the
Surviving Corporation, and all debts, liabilities and duties of the Company and
Merger Sub shall become the debts, liabilities and duties of the Surviving
Corporation.

            1.4 Certificate of Incorporation. The certificate of incorporation
of Merger Sub in effect immediately prior to the Effective Time shall be the
certificate of incorporation of the Surviving Corporation until thereafter
changed or amended as provided therein or by applicable law.

            1.5 By-Laws. The by-laws of Merger Sub in effect at the Effective
Time shall be the by-laws of the Surviving Corporation until thereafter changed
or amended as provided therein or by applicable law.

            1.6 Directors and Officers of Surviving Corporation. The directors
and officers of Merger Sub shall be the directors and officers, respectively, of
the Surviving Corporation, until the earlier of their resignation or removal or
otherwise ceasing to be a director or officer, as the case may be, or until
their respective successors are duly elected and qualified, as the case may be.

            1.7 Effect on Capital Stock. As of the Effective Time, by virtue
of the Merger and without any action on the part of the holders of any shares of
the Company's Class A Company Common Stock, par value $.01 per share (the
"Company Common Stock")


                                      -2-
<PAGE>

            (a) Cancellation of Stock. Each share of Company Common Stock that
      is owned by the Company or any wholly owned subsidiary of the Company (as
      treasury stock or otherwise) shall automatically be cancelled and retired
      and shall cease to exist and no consideration shall be delivered in
      exchange therefor.

            (b) Consideration for Company Common Stock. Subject to Section 1.11,
      each issued and outstanding share of Company Common Stock (other than
      Dissenting Shares and shares to be cancelled in accordance with Section
      1.7(a)) shall be converted into either (i) the right to receive 0.3987
      fully paid and nonassessable shares of common stock, par value $1.00 per
      share, of Parent ("Parent Common Stock") (the "Per Share Stock Amount"),
      or (ii) the right to receive $23.00 in cash, without interest (the "Per
      Share Cash Amount"), or (iii) a combination of shares of Parent Common
      Stock and cash, each as determined in accordance with Section 1.7(f),
      Section 1.7(g) or Section 1.7(h). As of the Effective Time, all such
      shares of Company Common Stock shall no longer be outstanding and shall
      automatically be cancelled and retired and shall cease to exist, and each
      holder of a certificate representing any such shares of Company Common
      Stock shall cease to have any rights with respect thereto, except the
      right to receive, upon surrender of such certificate in accordance with
      Section 2.3, the Per Share Stock Amount, the Per Share Cash Amount or a
      combination of cash and Parent Common Stock, each in accordance with this
      Section 1.7. The consideration to be received in the Merger under this
      Article for one share of Company Common Stock shall be referred to herein
      as the "Merger Consideration."

            (c) Merger Sub Capital Stock. Each share of capital stock of Merger
      Sub issued and outstanding immediately prior to the Effective Time shall
      remain outstanding and shall be unchanged as a share of capital stock of
      the Surviving Corporation.

            (d) The aggregate number of shares of Company Common Stock which may
      be converted into the right to receive cash in the Merger shall be equal
      to 50% of the number of shares of Company Common Stock outstanding
      immediately prior to the Effective Time (other than Dissenting Shares and
      shares to be cancelled in accordance with Section 1.7(a)). The aggregate
      number of shares of Company Common Stock which may be converted into the
      right to receive Parent Common Stock in the Merger shall be equal to 50%
      of the number of shares of Company Common Stock outstanding immediately
      prior to the Effective Time (other than Dissenting Shares and shares to be
      cancelled in accordance with Section 1.7(a)).

            (e) Subject to the allocation and election procedures set forth in
      this Section 1.7, each record holder (or beneficial owner through
      appropriate and customary documentation and instructions) immediately
      prior to the Effective Time of shares of Company Common Stock shall be
      entitled either (i) to elect to receive the Per Share Cash Amount for each
      such share of Company Common Stock (a "Cash Election"), or (ii) to elect
      to receive the Per Share Stock Amount for each such share of Company
      Common Stock (a "Stock Election"), or (iii) to indicate that such record
      holder has no preference as to the receipt of cash, Parent Common Stock or
      a combination thereof with respect to 


                                      -3-
<PAGE>

      such holder's shares of Company Common Stock (a "Non-Election", and any
      Cash Election, Stock Election or Non-Election shall be referred to herein
      as an "Election"). All such elections shall be made on a form furnished by
      Parent for that purpose (a "Form of Election") and reasonably satisfactory
      to the Company. If more than one certificate which immediately prior to
      the Effective Time represented outstanding shares of Company Common Stock
      (a "Certificate") shall be surrendered for the account of the same holder,
      the number of shares of Parent Common Stock, if any, to be issued to such
      holder in exchange for the Certificates which have been surrendered shall
      be computed on the basis of the aggregate number of shares of Company
      Common Stock represented by all of the Certificates surrendered for the
      account of such holder. Holders of record of shares of Company Common
      Stock who hold such shares of Company Common Stock as nominees, trustees
      or in other representative capacities (each, a "Representative") may
      submit multiple Forms of Election, provided that such Representative
      certifies that each such Form of Election covers all shares of Company
      Common Stock held by such Representative for a particular beneficial
      owner.

            (f) If the aggregate number of shares of Company Common Stock with
      respect to which Cash Elections have been made exceeds the aggregate
      number of shares of Company Common Stock which may be converted into the
      right to receive cash in the Merger, then:

                  A. Each share of Company Common Stock with respect to which a
            Stock Election shall have been made shall be converted into the
            right to receive the Per Share Stock Amount;

                  B. Each share of Company Common Stock with respect to which a
            Non-Election shall have been made (or deemed to have been made)
            shall be converted into the right to receive the Per Share Stock
            Amount; and

                  C. Each share of Company Common Stock with respect to which a
            Cash Election shall have been made shall be converted into the right
            to receive:

                     (1) the amount in cash, without interest, equal to the
                  product of (i) the Per Share Cash Amount and (ii) a fraction
                  (the "Cash Fraction"), the numerator of which shall be the
                  aggregate number of shares of Company Common Stock which may
                  be converted into the right to receive cash in the Merger, and
                  the denominator of which shall be the aggregate number of
                  shares of Company Common Stock with respect to which Cash
                  Elections shall have been made, and

                     (2) the number of shares of Parent Common Stock equal to
                  the product of (x) the Per Share Stock Amount and (y) a
                  fraction equal to one minus the Cash Fraction.

            (g) If the aggregate number of shares of Company Common Stock with
      respect to which Stock Elections have been made exceeds the aggregate
      number of shares 


                                      -4-
<PAGE>

      of Company Common Stock which may be converted into the right to receive
      Parent Common Stock in the Merger, then:

                  A. Each share of Company Common Stock with respect to which a
            Cash Election shall have been made shall be converted into the right
            to receive the Per Share Cash Amount;

                  B. Each share of Company Common Stock with respect to which a
            Non-Election shall have been made (or deemed to have been made)
            shall be converted into the right to receive the Per Share Cash
            Amount; and

                  C. Each share of Company Common Stock with respect to which a
            Stock Election shall have been made shall be converted into the
            right to receive:

                     (1) the number of shares of Parent Common Stock equal to
                  the product of (i) the Per Share Stock Amount and (ii) a
                  fraction (the "Stock Fraction"), the numerator of which shall
                  be the aggregate number of shares of Company Common Stock
                  which may be converted into the right to receive Parent Common
                  Stock in the Merger, and the denominator of which shall be the
                  aggregate number of shares of Company Common Stock with
                  respect to which Stock Elections shall have been made, and

                     (2) the amount in cash, without interest, equal to the
                  product of (x) the Per Share Cash Amount and (y) a fraction
                  equal to one minus the Stock Fraction.

            (h) In the event that neither Section 1.7(f) nor Section 1.7(g)
      above is applicable, then:

                  A. Each share of Company Common Stock with respect to which a
            Cash Election shall have been made (or deemed to have been made)
            shall be converted into the right to receive the Per Share Cash
            Amount;

                  B. Each share of Company Common Stock with respect to which a
            Stock Election shall have been made (or deemed to have been made)
            shall be converted into the right to receive the Per Share Stock
            Amount; and

                  C. Each share of Company Common Stock with respect to which a
            Non-Election shall have been made (or deemed to have been made), if
            any, shall be converted into the right to receive:

                     (1) the amount in cash, without interest, equal to the
                  product of (i) the Per Share Cash Amount and (ii) a fraction
                  (the "Non-Election Fraction"), the numerator of which shall be
                  the excess of the (A) aggregate number of shares of Company
                  Common Stock which may be converted into the right to receive
                  cash in the Merger over (B) the sum of the aggregate number of



                                       -5-
<PAGE>

                  shares of Company Common Stock with respect to which a Cash
                  Election shall have been made, and the denominator of which
                  shall be the excess of (A) the aggregate number of shares of
                  Company Common Stock outstanding immediately prior to the
                  Effective Time (other than shares to be cancelled in
                  accordance with Section 1.7(a)) over (B) the sum of the
                  aggregate number of shares of Company Common Stock with
                  respect to which a Cash Election and a Stock Election shall
                  have been made plus Dissenting Shares, and

                     (2) the number of shares of Parent Common Stock equal to
                  the product of (x) the Per Share Stock Amount and (y) a
                  fraction equal to one minus the Non-Election Fraction.

            (i) Elections shall be made by holders of shares of Company Common
      Stock by delivering the Form of Election to the exchange agent. To be
      effective, a Form of Election must be properly completed, signed and
      submitted to the Exchange Agent by 5:00 p.m. (New York City time) on the
      last business day prior to the Company Shareholder Meeting (the "Election
      Deadline") (provided that if the Closing is not reasonably expected to
      occur within 5 business days of such date, Parent and the Company shall
      agree to a later date, reasonably expected to be at least 5 business days
      prior to the Closing, as the Election Deadline and shall publish
      appropriate advance notice of such Election Deadline), and accompanied by
      (1)(x) the Certificates representing the shares of Company Common Stock as
      to which the election is being made or (y) an appropriate guarantee of
      delivery of such Certificates as set forth in such Form of Election from a
      firm which is a member of a registered national securities exchange or of
      the National Association of Securities Dealers, Inc. or a commercial bank
      or trust company having an office or correspondent in the United States,
      provided such Certificates are in fact delivered to the Exchange Agent
      within three New York Stock Exchange ("NYSE") trading days after the date
      of execution of such guarantee of delivery (a "Guarantee of Delivery"),
      and (2) a properly completed and signed letter of transmittal. Failure to
      deliver Certificates covered by any Guarantee of Delivery within three
      NYSE trading days after the date of execution of such Guarantee of
      Delivery shall be deemed to invalidate any otherwise properly made Cash
      Election or Stock Election. Parent will have the discretion, which it may
      delegate in whole or in part to the Exchange Agent, to determine whether
      Forms of Election have been properly completed, signed and submitted or
      revoked and to disregard immaterial defects in Forms of Election. The good
      faith decision of Parent (or the Exchange Agent) in such matters shall be
      conclusive and binding. Neither Parent nor the Exchange Agent will be
      under any obligation to notify any person of any defect in a Form of
      Election submitted to the Exchange Agent. The Exchange Agent shall also
      make all computations contemplated by this Section 1.7 and all such
      computations shall be conclusive and binding on the holders of shares of
      Company Common Stock in the absence of manifest error. Any Form of
      Election may be changed or revoked prior to the Election Deadline. In the
      event a Form of Election is revoked prior to the Election Deadline, Parent
      shall, or shall cause the Exchange Agent to, cause the Certificates
      representing the shares of Company Common Stock covered by 



                                       -6-
<PAGE>

      such Form of Election to be promptly returned without charge to the person
      submitting the Form of Election upon written request to that effect from
      such person.

            (j) For the purposes hereof, a holder of shares of Company Common
      Stock who does not submit a Form of Election which is received by the
      Exchange Agent prior to the Election Deadline (including a holder who
      submits and then revokes his or her Form of Election and does not resubmit
      a Form of Election which is timely received by the Exchange Agent), or who
      submits a Form of Election without the corresponding Certificates or a
      Guarantee of Delivery, shall be deemed to have made a Non-Election. If any
      Form of Election is defective in any manner such that the Exchange Agent
      cannot reasonably determine the election preference of the shareholder
      submitting such Form of Election, the purported Cash Election or Stock
      Election set forth therein shall be deemed to be of no force and effect
      and the shareholder making such purported Cash Election or Stock Election
      shall, for purposes hereof, be deemed to have made a Non-Election.

            (k) A Form of Election and a letter of transmittal shall be included
      with each copy of the Proxy Statement mailed to shareholders of the
      Company in connection with the Company Meeting. Parent and the Company
      shall each use its reasonable best efforts to mail or otherwise make
      available the Form of Election and a letter of transmittal to all persons
      who become holders of shares of Company Common Stock during the period
      between the record date for the Company Meeting and the Election Deadline.

            1.8 Adjustment of Merger Consideration. In the event that pursuant
to a transaction announced after the date hereof and becoming effective prior to
the Effective Time (i) any distribution is made in respect of Parent Common
Stock other than a regular quarterly cash dividend or (ii) any stock dividend,
stock split, reclassification, recapitalization, combination or mandatory
exchange of shares occurs with respect to, or rights (other than non-mandatory
offers to exchange) are issued in respect of, Parent Common Stock, then, the Per
Share Stock Amount shall be adjusted accordingly. In the event of a dividend or
distribution to all holders of Parent Common Stock of any class of capital stock
of Parent or any Subsidiary of Parent ("Adjustment Shares"), the record date for
which is prior to the Effective Time (it is agreed that the appropriate
adjustment, in addition to the right to receive the Per Share Stock Amount prior
to such adjustment, shall be either, at Parent's option (provided that Parent
shall use reasonable efforts to be able to elect (A) before electing (B)), (A)
the right to receive, at the Effective Time, the number of Adjustment Shares
that such recipient would have received in respect of the Per Share Stock Amount
had such recipient owned the Per Share Stock Amount in Parent Common Stock as of
the date of this Agreement and held such through the Effective Time or and no
further adjustment shall be required under this Section 1.8 for such dividend or
distribution, or (B) the right to receive an amount of Parent Common Stock equal
in market value at the Effective Time to the market value at the Effective Time
of the number of Adjustment Shares that would have been received in respect of
the Per Share Stock Amount had the recipient thereof owned the Per Share Stock
Amount in Parent Common Stock as of the date of this Agreement and held such
through the Effective Time, and no further adjustment shall be required under
this Section 1.8 for such dividend distribution. For the purposes of the prior
sentence, "market value" means, with respect to any securities listed on a
national securities exchange or quoted on an interdealer 


                                      -7-
<PAGE>

quotation system, the average of the closing prices on the five trading days
prior to the Effective Time, or if not so listed, the fair market value of such
securities reasonably determined by the Board of Directors of Parent on such
date.

            1.9 No Further Ownership Rights in Company Common Stock. All
shares of Parent Common Stock issued upon the surrender for exchange of
Certificates in accordance with the terms hereof (including any cash paid
pursuant to Sections 1.7, 1.10 or 2.4) shall be deemed to have been issued in
full satisfaction of all rights pertaining to such shares of Company Common
Stock, and from and after the Effective Time there shall be no further
registration of transfers of the shares of Company Common Stock which were
outstanding immediately prior to the Effective Time. If, after the Effective
Time, Certificates are presented to the Surviving Corporation for any reason,
they shall be cancelled and exchanged as provided in Article II.

            1.10 No Fractional Shares. No certificate or scrip representing
fractional shares of Parent Common Stock shall be issued upon the surrender for
exchange of Certificates, and such fractional share interests will not entitle
the owner thereof to vote or to any other rights of a stockholder of Parent.
Notwithstanding any other provision of this Agreement, each holder of shares of
Company Common Stock exchanged pursuant to the Merger who would otherwise have
been entitled to receive a fraction of a share of Parent Common Stock (after
taking into account all Certificates delivered by such holder) shall receive, in
lieu thereof, cash (without interest) in an amount equal to such fractional part
of a share of Parent Common Stock multiplied by the Per Share Cash Amount.

            1.11 Shares of Dissenting Shareholders. Notwithstanding anything in
this Agreement to the contrary, any shares of Company Common Stock that are
outstanding immediately prior to the Effective Time and that are held by
shareholders who shall not have voted in favor of the Merger and who shall have
demanded properly in writing payment for such shares (and not withdrawn such
demand) in accordance with Article 13 of the NCBCA (collectively, the
"Dissenting Shares") shall not be converted into or represent the right to
receive the Merger Consideration. Such shareholders shall be entitled to receive
the amounts determined in accordance with the provisions of such Article 13. If,
after the Effective Time, any such holder fails to perfect or effectively
withdraws or loses such rights, such Dissenting Shares shall thereupon be deemed
to have been converted into and to have become exchangeable for, as of the
Effective Time, the right to receive, without any interest thereon, the
consideration provided for in Section 1.7 and to have made a Non-Election. The
Company shall give Parent prompt notice of any notice or demands for payment in
accordance with Article 13 of the NCBCA for shares of Company Common Stock
received by the Company, and Parent shall have the right to direct all
proceedings, negotiations and actions taken by the Company in respect thereof.

            1.12 The Company Options. At the Effective Time, each unexpired and
unexercised outstanding option, whether or not then vested or exercisable in
accordance with its terms, to purchase shares of Company Common Stock (the
"Company Options") previously granted by the Company or its Subsidiaries under
the Company's Amended and Restated Stock Compensation Plan, the 1989 Stock Plan
and the Amended and Restated 1994 Long Term Incentive Plan (collectively, the
"Company Stock Option Plans") shall be cancelled and 


                                      -8-
<PAGE>

converted into the right to receive from the Parent, within 10 days following
the Effective Time, cash in an amount equal to the product of (a) the Per Share
Cash Amount minus the exercise price per share of such Company Option, times (b)
the number of shares of Common Stock which may be purchased upon exercise of
such Company Option (whether or not then exercisable). Prior to (but effective
at) the Effective Time, the Company shall use its reasonable best efforts to (i)
obtain any consents from all holders of Company Options and (ii) make any
amendments to the terms of such stock option or compensation plans or
arrangements that, in the case of either clause (i) or (ii), are necessary to
give effect to the transactions contemplated by this Section 1.12. Immediately
prior to the Effective Time, the Company shall terminate the Company Stock
Option Plans effective as of the Effective Time.

                                   ARTICLE II.
                            EXCHANGE OF CERTIFICATES

            2.1 Closing. The closing of the Merger (the "Closing") will take
place on the fifth Business Day after satisfaction or waiver (as permitted by
this Agreement and applicable law) of the conditions (excluding conditions that,
by their terms, cannot be satisfied until the Closing Date) set forth in Article
VI (the "Closing Date"), unless (a) Parent elects a later date (because, in its
good faith judgment, Parent believes that such delay is necessary in connection
with avoiding interference with a material transaction) that is not later than
the Outside Date or (b) another time or date is agreed to in writing by the
parties hereto. The Closing shall be held at the offices of Latham & Watkins,
885 Third Avenue, Suite 1000, New York, NY 10022-4802, unless another place is
agreed to in writing by the parties hereto. The Articles of Merger and the
Certificate of Merger shall be filed on or as promptly as practicable following
the Closing Date, and each shall contemplate the same Effective Time.

            2.2 Exchange Agent. As of the Effective Time, Parent shall deposit
with such bank or trust company as may be designated by Parent and be reasonably
acceptable to the Company (the "Exchange Agent") for the benefit of the holders
of shares of Company Common Stock and the holders of the Company Options, for
exchange or payment in accordance with this Section 2.2, through the Exchange
Agent, (i) certificates evidencing such number of shares of Parent Common Stock
equal to (x) the Per Share Stock Amount multiplied by (y) the aggregate number
of shares of Company Common Stock which may be converted into the right to
receive Parent Common Stock in the Merger, and (ii) (1) cash in an amount equal
to (x) the Per Share Cash Amount multiplied by (y) the aggregate number of
shares of Company Common Stock which may be converted into the right to receive
cash in the Merger, and (2) any cash necessary to pay amounts due pursuant to
Section 1.10 and Section 1.12 (such certificates for shares of Parent Common
Stock and such cash being hereinafter referred to as the "Exchange Fund"). The
Exchange Agent shall, pursuant to irrevocable instructions in accordance with
these Articles I and II, deliver the Parent Common Stock and cash contemplated
to be issued pursuant to Section 1.7 out of the Exchange Fund. The Exchange Fund
shall not be used for any other purpose. The Exchange Agent shall invest any
cash included in the Exchange Fund, as directed by Parent, on a daily basis. Any
interest and other income resulting from such investments shall be paid to
Parent.


                                      -9-
<PAGE>

            2.3 Exchange and Payment Procedures. (a) As soon as reasonably
practicable after the Effective Time, the Exchange Agent shall mail to each
holder of record of a Certificate or Certificates that were converted into the
right to receive shares of Parent Common Stock and/or cash pursuant to Section
1.7(b), (i) a letter of transmittal (which shall specify that delivery shall be
effected, and risk of loss and title to the Certificates shall pass, only upon
proper delivery of the Certificates to the Exchange Agent, and which shall be in
such form and have such other provisions as Parent may reasonably specify) and
(ii) instructions for use in effecting the surrender of the Certificates in
exchange for shares of Parent Common Stock and/or cash. Upon surrender of a
Certificate for cancellation to the Exchange Agent together with such letter of
transmittal, duly executed and completed in accordance with the instructions
thereto, and such other documents as may reasonably be required by the Exchange
Agent, the holder of such Certificate shall be entitled to receive in exchange
therefor a certificate representing that number of whole shares of Parent Common
Stock and/or cash which such holder has the right to receive pursuant to the
provisions of Article I and this Article II and the Certificate so surrendered
shall forthwith be cancelled. In the event of a transfer of ownership of Company
Common Stock that is not registered in the transfer records of the Company, a
certificate representing the proper number of shares of Parent Common Stock
and/or cash may be issued to a Person other than the Person in whose name the
Certificate so surrendered is registered if the Certificate representing such
Company Common Stock is presented to the Exchange Agent, accompanied by all
documents required to evidence and effect such transfer and evidence that any
applicable stock transfer taxes have been paid. Until surrendered as
contemplated by this Article II, each Certificate shall be deemed at any time
after the Effective Time to represent only the right to receive upon surrender
the certificate representing shares of Parent Common Stock and/or cash as
contemplated by this Article II.

            (b) As soon as reasonably practicable after the Effective Time,
but no later than five business days after the Effective Time, the Company,
after approval by Parent (which approval shall not be unreasonably withheld or
delayed), shall deliver to the Exchange Agent, a list of the holders of the
Company Options, their addresses and the amounts to be paid to each of them.
Promptly after receipt of such list, but no later than three days after receipts
of such list, the Exchange Agent shall pay the amounts shown on such schedule.

            2.4 Distributions with Respect to Unexchanged Shares. No dividends
or other distributions declared or made after the Effective Time with respect to
Parent Common Stock with a record date after the Effective Time shall be paid to
the holder of any unsurrendered Certificate with respect to the shares of Parent
Common Stock to which such holder is entitled hereunder and no cash payment paid
to any such holder pursuant to Sections 1.7 and 1.10 until the holder of record
of such Certificate shall surrender such Certificate. Subject to the effect of
applicable laws, following surrender of any such Certificate, there shall be
given to the record holder of the certificates representing whole shares of
Parent Common Stock to which such holder is entitled hereunder, without
interest, (i) at the time of such surrender, a certificate representing the
number of whole shares of Parent Common Stock and the amount of any cash to
which such holder is entitled pursuant to Sections 1.7 and 1.10 and the amount
of dividends or other distributions with respect to such whole shares of Parent
Common Stock with a record date after the Effective Time and a payment date
prior to their date of issuance to such holder, and (ii) 


                                      -10-
<PAGE>

at the appropriate payment date, the amount of dividends or other distributions
with a record date after the Effective Time but prior to surrender and a payment
date subsequent to surrender payable with respect to such whole shares of Parent
Common Stock.

            2.5 Termination of Exchange Fund. Any portion of the Exchange Fund
which remains undistributed to the holders of Certificates for six months after
the Effective Time shall be delivered to Parent, upon demand, and any
shareholders or optionholders of the Company who have not previously complied
with the provisions of this Article II shall thereafter look only to Parent for
payment of their claim for Parent Common Stock and/or cash and any dividends or
distributions with respect to Parent Common Stock. Any portion of the Exchange
Fund remaining unclaimed by holders of Company Common Stock five years after the
Effective Time (or such earlier date immediately prior to such time as such
portion would otherwise escheat to or become property of any Governmental
Entity) shall, to the extent permitted by applicable law, become the property of
the Surviving Corporation free and clear of any claims or interest of any Person
previously entitled therein.

            2.6 No Liability. To the fullest extent permitted by law, none of
Parent, Merger Sub, the Company or the Surviving Corporation shall be liable to
any holder of Company Common Stock or Parent Common Stock, as the case may be,
for any shares (or dividends or distributions with respect thereto) and/or cash
delivered to a public official pursuant to any applicable abandoned property,
escheat or similar law.

            2.7 Lost Certificates. If any Certificate shall have been lost,
stolen or destroyed, upon the making of an affidavit of that fact by the Person
claiming such Certificate to be lost, stolen or destroyed and, if required by
Parent, the posting by such Person of a bond in such reasonable amount as Parent
may direct as indemnity against any claim that may be made against it with
respect to such Certificate, the Exchange Agent will deliver in exchange for
such lost, stolen or destroyed Certificate the shares of Parent Common Stock
and/or any cash.

            2.8 Withholding Rights. Parent and the Exchange Agent shall be
entitled to deduct and withhold from the consideration otherwise payable
pursuant to this Agreement to any holder of shares of Company Common Stock or
holders of Company Options such amounts as Parent or the Exchange Agent, as
applicable, is required to deduct and withhold with respect to the making of
such payment under the Code, or any provision of state, local or foreign Tax
law. To the extent that amounts are so withheld by Parent or the Exchange Agent,
such withheld amounts shall be treated for all purposes of this Agreement as
having been paid to the holder of the shares of Company Common Stock in respect
of which such deduction and withholding was made by such party.

            2.9 Further Assurances. At and after the Effective Time, the
officers and directors of the Surviving Corporation will be authorized to
execute and deliver, in the name and on behalf of the Company or Merger Sub, any
deeds, bills of sale, assignments or assurances and to take and do, in the name
and on behalf of the Company of Merger Sub, any other actions and things to
vest, perfect or confirm of record or otherwise in the Surviving Corporation any
and all 


                                      -11-
<PAGE>

right, title and interest in, to and under any of the rights, properties or
assets acquired or to be acquired by the Surviving Corporation as a result of,
or in connection with, the Merger.

            2.10 Stock Transfer Books. At 5:00 p.m., New York City time, on the
day the Effective Time occurs, the stock transfer books of the Company shall be
closed and there shall be no further registration of transfers of shares of
Company Common Stock thereafter on the records of the Company. From and after
the Effective Time, the holders of Certificates shall cease to have any rights
with respect to such shares of Company Common Stock formerly represented
thereby, except as otherwise provided herein or by law. On or after the
Effective Time, any Certificates presented to the Exchange Agent or Parent for
any reason shall be converted into the Merger Consideration with respect to the
shares of Company Common Stock formerly represented thereby.

                                  ARTICLE III.
                         REPRESENTATIONS AND WARRANTIES

            3.1 Representations and Warranties of the Company.  The Company
represents and warrants to Parent and Merger Sub as follows:

            (a) Organization, Standing and Power. The Company is a corporation
      duly organized and validly existing and in good standing under the laws of
      its jurisdiction of incorporation. Each of the Company's Subsidiaries has
      been duly formed and is validly existing under the laws of the
      jurisdiction of its formation except where the failure of a Subsidiary to
      be duly formed and validly existing in such jurisdictions could not
      reasonably be expected, either individually or in the aggregate, to have a
      Material Adverse Effect on the Company. Each of the Company and its
      Subsidiaries is duly qualified and in good standing to do business in each
      jurisdiction in which the nature of its business or the ownership or
      leasing of its properties makes such qualification necessary, other than,
      with respect to the Subsidiaries, in such jurisdictions where the failure
      so to qualify could not reasonably be expected, either individually or in
      the aggregate, to have a Material Adverse Effect on the Company. Each of
      the Company and its Subsidiaries has the requisite corporate power and
      authority to own, lease and operate its properties and conduct its
      business as currently or proposed to be conducted, except, with respect to
      the Subsidiaries, where the lack of such requisite power could not
      reasonably be expected, either individually or in the aggregate, to have a
      Material Adverse Effect on the Company. The Company has previously
      furnished to Parent true, complete and correct copies of the
      Organizational Documents of the Company and its Subsidiaries as in effect
      on the date of this Agreement, and neither the Company nor its Subsidiary
      is in default thereunder or acting in conflict therewith.

            (b)   Capital Structure.

                  (i) The authorized capital stock of the Company consists of
            (A) 250,000,000 shares of Company Common Stock, of which 36,780,009,
            shares are issued and outstanding as of the date hereof and of which
            36,780,009 shares plus such number of shares as may be issued
            consistent with Section 4.1(b) shall be 


                                      -12-
<PAGE>

            issued and outstanding as of the Effective Time, and no shares are
            held by the Company or its Subsidiaries as treasury stock, (B)
            30,000,000 shares of Class B Common Stock, par value $.01 per share,
            of which no shares are issued or outstanding, and (C) 1,000,000
            shares of preferred stock, par value $.01 per share, of which no
            shares are issued or outstanding. All issued and outstanding shares
            of the capital stock of the Company are duly authorized, validly
            issued, fully paid and nonassessable, and no class of capital stock
            is entitled to preemptive rights. Except pursuant to the Option
            Agreement or as set forth on Schedule 3.1(b)(i), there are no
            outstanding options, warrants or other rights to acquire capital
            stock from the Company (or securities convertible into or
            exchangeable or exercisable for such capital stock) other than
            options representing in the aggregate the right to purchase
            5,987,693 shares of Company Common Stock under the Company Stock
            Option Plans.

                  (ii) Schedule 3.1 (b)(ii) lists all Subsidiaries of the
            Company as of the date of this Agreement. Except as set forth in
            Schedule 3.1(b)(ii), (a) all of the issued and outstanding shares of
            capital stock of each Subsidiary of the Company that is a
            corporation are duly authorized, validly issued, fully paid and
            nonassessable and are owned, directly or indirectly, by the Company
            and where owned by the Company or one or more of its Subsidiaries,
            are owned free and clear of any liens, claims, encumbrances,
            restrictions, preemptive rights, security interests, charges, voting
            and disposition restrictions or any other claims of any third party
            ("Liens"), (b) all capital, membership or voting interests of each
            Subsidiary of the Company that is not a corporation have been
            validly created pursuant to its Organizational Documents and, where
            owned by the Company or one or more of its Subsidiaries, are owned,
            directly or indirectly, by the Company free and clear of any Liens
            and (c) none of the Company or its Subsidiaries has any agreement or
            obligation to provide funds to, or make any investment (in the form
            of a loan, capital contribution or otherwise) in any other Person or
            owns any interests in any Person other than a wholly owned
            Subsidiary (except, as of the Effective Time, as may be agreed or
            allowed consistent with Section 4.1(d)).

                  (iii) No bonds, debentures, notes or other indebtedness of the
            Company having the right to vote on any matters on which
            shareholders may vote ("Company Voting Debt") are issued or
            outstanding.

                  (iv) Schedule 3.1(b)(iv) sets forth a true and complete list
            as of the date hereof of all holders of options to purchase Company
            Common Stock, including the number of shares of Company Common Stock
            subject to each such option, the exercise or vesting schedule, the
            exercise price per share and the term of each such option.

                  (v) Except as otherwise set forth in the last sentence of
            Section 3.1(b)(i) or as set forth in Schedule 3.1(b)(v), there are
            no securities, options, warrants, calls, subscriptions, rights,
            commitments, agreements, arrangements or 


                                      -13-
<PAGE>

            undertakings of any kind to which the Company or any of its
            Subsidiaries is a party or by which any of them is bound obligating
            the Company or any of its Subsidiaries to issue, deliver or sell, or
            cause to be issued, delivered or sold, additional shares of capital
            stock or other voting securities of the Company or any of its
            Subsidiaries or obligating the Company or any of its Subsidiaries to
            issue, grant, extend or enter into any such security, option,
            warrant, subscriptions, call, right, commitment, agreement,
            arrangement or undertaking. Except as disclosed on Schedule
            3.1(b)(i), there are no outstanding obligations of the Company or
            any of its Subsidiaries to repurchase, redeem or otherwise acquire
            any shares of capital stock of the Company or any of its
            Subsidiaries.

            (c)   Authority; No Conflicts.

                  (i) The Company has all requisite corporate power and
            authority to execute and deliver this Agreement and the Option
            Agreement and, subject, in the case of the consummation of the
            Merger only, to the adoption of this Agreement by the Required
            Company Vote, to consummate the transactions contemplated hereby and
            thereby. The execution, delivery and performance of this Agreement
            and the Option Agreement and the consummation of the transactions
            contemplated hereby and thereby have been duly authorized by the
            unanimous vote of the Board of Directors of the Company (at a
            meeting duly called and a quorum being present) and all necessary
            corporate action on the part of the Company, subject, in the case of
            the consummation of the Merger only, to the Required Company Vote.
            This Agreement has been duly executed and delivered by the Company
            and constitutes the legal, valid and binding obligation of the
            Company, enforceable against it in accordance with its terms, except
            as such enforceability may be limited by bankruptcy, insolvency,
            reorganization, moratorium and similar laws relating to or affecting
            creditors generally, by general equity principles (regardless of
            whether such enforceability is considered in a proceeding in equity
            or at law) or by an implied covenant of good faith and fair dealing.
            The Board of Directors of the Company has (i) unanimously approved
            and adopted this Agreement, the Option Agreement and the
            transactions contemplated hereby and thereby and has declared that
            the Merger and this Agreement and the other transactions
            contemplated hereby are advisable and in the best interests of the
            Company and its shareholders and (ii) unanimously taken all action
            necessary to render inapplicable to the transactions contemplated by
            this Agreement, by the Option Agreement and by the Voting Agreement,
            the provisions of Article VII of the Company's Articles of
            Incorporation and any state anti-takeover or similar law, including
            any such law relating to the voting of shares or a moratorium on the
            consummation of any business combination. The Board of Directors of
            the Company has directed that this Agreement and the transactions
            contemplated hereby be submitted to the holders of the Company
            Common Stock to obtain the Required Company Vote and, subject to the
            terms hereof, has unanimously recommended that such holders vote for
            approval and adoption of this Agreement and the transactions
            contemplated hereby. Neither 


                                      -14-
<PAGE>

            Article 9 nor Article 9A of Chapter 55 of the General Statutes of
            North Carolina apply to the Company.

                  (ii) Except as set forth in Schedule 3.1(c)(ii), the execution
            and delivery of this Agreement, the Option Agreement or the Voting
            Agreements does not or will not, as the case may be, and the
            consummation of the transactions contemplated hereby and thereby
            will not, conflict with, require any filing, waiver, permit,
            approval or consent under, or result in any violation of, or
            constitute a default (with or without notice or lapse of time, or
            both) under, or give rise to a right of termination, amendment,
            cancellation or acceleration of any obligation or the loss of a
            material benefit under, or the creation of a lien, pledge, security
            interest, charge or other encumbrance on any assets (any such
            conflict, requirement, violation, default, right of termination,
            amendment, cancellation or acceleration, loss or creation, a
            "Violation") pursuant to: (A) any provision of the Organizational
            Documents of the Company or any of its Subsidiaries and (B) subject
            to obtaining or making the consents, approvals, orders,
            authorizations, registrations, declarations and filings referred to
            in paragraph (iii) below, (x) any Company Material Contract (other
            than any cell site lease) except any such Violations, which
            individually or in the aggregate are not material, or (y) any other
            contract, agreement or binding obligation to which the Company or
            any Subsidiary is a party or to which any of its or their assets are
            bound, except as could not, individually or in the aggregate
            together with any violations pursuant to any Company Material
            Contract, be reasonably expected to result in a Material Adverse
            Effect on the Company.

                  (iii) No consent, waiver, permit, approval, order or
            authorization of, or registration, declaration or filing with, any
            supranational, national, state, municipal or local government, any
            instrumentality, subdivision, court, administrative agency or
            commission or other authority thereof, or any quasi-governmental or
            private body exercising any regulatory, taxing, importing or other
            governmental or quasi-governmental authority (a "Governmental
            Entity") is required by or with respect to the Company or any of its
            Subsidiaries in connection with the execution and delivery of this
            Agreement or the Option Agreement by the Company or the consummation
            by the Company of the transactions contemplated hereby or thereby,
            except for (x) those required under or in relation to (A) the
            Hart-Scott Rodino Antitrust Improvements Act of 1976, as amended
            (the "HSR Act"), (B) the Communications Act of 1934, as amended (the
            "Communications Act"), and any rules and regulations promulgated by
            the Federal Communications Commission ("FCC"), (C) state securities
            or "blue sky" laws, (D) the Securities Act of 1933, as amended (the
            "Securities Act"), (E) the Securities Exchange Act of 1934, as
            amended ("Exchange Act"), (F) the NCBCA with respect to the filing
            and recordation of appropriate documents to effect the Merger, (G)
            the Public Utilities Commission of Ohio, Public Competitive
            Telecommunications Service Provider, 563 Registration Form, (H)
            rules and regulations of any state public service or utility
            commissions or similar state 


                                      -15-
<PAGE>

            regulatory bodies, (I) rules and regulations of the NYSE or Nasdaq
            National Market ("Nasdaq"), and (J) antitrust or other competition
            laws of other jurisdictions, and (y) such consents, approvals,
            orders, authorizations, registrations, declarations and filings the
            failure of which to make or obtain, excluding those which, prior to
            the Effective Time, have been made or obtained, could not reasonably
            be expected to have a Material Adverse Effect on the Company.

            (d)   Reports and Financial Statements.

                  (i) The Company has filed all required reports, schedules,
            forms, statements and other documents required to be filed by it
            with the Securities and Exchange Commission (the "SEC") since
            January 1, 1996 (collectively, including all exhibits thereto and
            documents incorporated by reference therein, the "Company SEC
            Reports"). No Subsidiary of the Company is required to file any
            form, report or other document with the SEC. None of the Company SEC
            Reports, as of their respective dates (and, if amended or superseded
            by a filing prior to the date of this Agreement, then on the date of
            such filing), contained or will contain any untrue statement of a
            material fact or omitted or will omit to state a material fact
            required to be stated therein or necessary to make the statements
            therein, in light of the circumstances under which they were made,
            not misleading. Each of the financial statements (including the
            related notes) included in the Company SEC Reports presents fairly,
            in all material respects, the consolidated financial position and
            consolidated results of operations and cash flows of the Company and
            its Subsidiaries as of the respective dates or for the respective
            periods set forth therein, all in conformity with generally accepted
            accounting principles ("GAAP") consistently applied during the
            periods involved except as otherwise noted therein, and subject, in
            the case of the unaudited interim financial statements, to normal
            and recurring year-end adjustments that have not been and are not
            expected to be material in amount. All of such the Company SEC
            Reports, as of their respective dates (and as of the date of any
            amendment to the respective the Company SEC Report), complied as to
            form in all material respects with the applicable requirements of
            the Securities Act and the Exchange Act and the rules and
            regulations promulgated thereunder.

                  (ii) Except for, and to the extent of, those liabilities that
            are reflected or reserved against, to the extent reflected or
            reserved against, on the consolidated balance sheet of the Company
            and its Subsidiaries included in the Company's Quarterly Report on
            Form 10-Q for the fiscal period ended June 30, 1998, or the
            Company's Annual Report on Form 10-K for the year ended December 31,
            1997, and except for liabilities and obligations incurred in the
            ordinary course of business consistent with past practice since June
            30, 1998, and except and as to the extent disclosed in Schedule
            3.1(d) (ii), neither the Company nor any of its Subsidiaries has any
            liabilities or obligations of any nature whatsoever (whether fixed,
            absolute, accrued, contingent or otherwise and whether due or to
            become 


                                      -16-
<PAGE>

            due) that individually or in the aggregate could reasonably be
            expected to have a Material Adverse Effect on the Company.

            (e) Proxy Statement/Registration Statement. The information to be
      supplied by the Company for inclusion in the Registration Statement shall
      not at the time the Registration Statement is filed with or declared
      effective by the SEC or at the date of the Company Shareholders Meeting
      contain any untrue statement of a material fact or omit to state any
      material fact required to be stated in the Registration Statement or
      necessary in order to make the statements in the Registration Statement,
      in light of the circumstances under which they were made, not misleading.
      The Proxy Statement shall not, on the date the Proxy Statement is first
      mailed to shareholders of the Company, at the time of the Company
      Shareholders' Meeting and at the Effective Time, contain any statement
      which, at such time and in light of the circumstances under which it shall
      be made, is false or misleading with respect to any material fact, or omit
      to state any material fact necessary in order to make the statements made
      in the Proxy Statement not false or misleading (excluding any statement
      based upon information supplied by Parent for inclusion in the Proxy
      Statement).

            (f) Compliance with Applicable Laws; Regulatory Matters. The Company
      and its Subsidiaries hold all permits, licenses, certificates, franchises,
      registrations, variances, exemptions, orders and approvals of all
      Governmental Entities which are necessary or advisable to the operation of
      their businesses, other than those which, individually or in the
      aggregate, the failure to hold could not reasonably be expected to have a
      Material Adverse Effect on the Company (the "Company Permits"). All such
      Company Permits are valid and in full force and effect, and no suspension
      or cancellation of any such Company Permit is pending or, to the knowledge
      of the Company, threatened, except as could not reasonably be expected to,
      individually or in the aggregate, have a Material Adverse Effect on the
      Company. The business of the Company and its Subsidiaries (including,
      without limitation, operation of each Company Benefit Plan) are not being
      and have not been conducted in violation of any law, ordinance,
      regulation, judgment, decree, injunction, rule or order of any
      Governmental Entity ("Law") except for violations that individually or in
      the aggregate (1) would not result in a material penalty or fine, (2)
      would not constitute a material criminal violation, (3) would not result
      in cognizable damage to the business reputation of the Company or the
      Parent, and (4) which, individually or in the aggregate, could not
      otherwise reasonably be expected to have a Material Adverse Effect on the
      Company. As of the date of this Agreement, no investigation by any
      Governmental Entity with respect to the Company or any of its Subsidiaries
      is pending or, to the knowledge of the Company, threatened, other than
      investigations which, individually or in the aggregate, could not
      reasonably be expected to have a Material Adverse Effect on the Company.

            (g) Litigation. Schedule 3.1(g) is a true and complete list of all
      material litigation as of the date hereof that is pending, or to the
      knowledge of the Company, threatened. Other than rulemaking or other
      proceedings of general applicability affecting the cellular telephone
      industry, which would not have a materially disproportionate effect 


                                      -17-
<PAGE>

      on the Company, there is no litigation, arbitration, claim, suit, action,
      investigation or proceeding pending, affecting or, to the knowledge of the
      Company, threatened, against the Company or any of its Subsidiaries or
      their assets, which individually, or except for the matters disclosed in
      Schedule 3.1 (g) in the aggregate, as of the date hereof could be
      reasonably expected to result in a material liability, and there is no
      litigation, claim, suit, action, investigation or proceeding pending,
      affecting or, to the knowledge of the Company or any of its Subsidiaries,
      which individually, or in the aggregate could be reasonably expected to
      result in a Material Adverse Effect on the Company. There is no judgment,
      award, decree, injunction, rule or order of any Governmental Entity or
      arbitrator outstanding against the Company or any of its Subsidiaries or
      their assets, which, individually or in the aggregate, as of the date
      hereof could be reasonably expected to result in a material liability, or
      as of the Closing Date, could reasonably be expected to have a Material
      Adverse Effect on the Company.

            (h) Taxes. Except as set forth in Schedules 3.1(h)(i)-(x): (i) the
      Company and each of its Subsidiaries have duly and timely filed (taking
      into account any extension of time within which to file) all Tax Returns
      with respect to material Taxes required to be filed by any of them and all
      such filed Tax Returns are complete and accurate in all respects, except
      for incompletenesses and inaccuracies that could not, individually or in
      the aggregate, be reasonably expected to result in material Tax liability
      that has not been paid; (ii) the Company and each of its Subsidiaries have
      paid all material Tax liabilities that are shown as due on such filed Tax
      Returns or that the Company or any of its Subsidiaries is obligated to
      withhold from amounts owing to any employee, creditor or third party,
      except with respect to matters contested in good faith; (iii) as of the
      date hereof, except as could not individually or in the aggregate be
      reasonably expected to result in material Tax liability that has not been
      paid, and as of the Closing Date, except as could not, individually or in
      the aggregate, reasonably be expected to result in a Material Adverse
      Effect on the Company: (A) there are no pending or, to the knowledge of
      the Company, threatened in writing audits, examinations, investigations or
      other proceedings in respect of Taxes or Tax matters relating to the
      Company or any of its Subsidiaries, (B) there are no deficiencies or
      claims for any Taxes that have been proposed, asserted or assessed against
      the Company or any of its Subsidiaries, (C) there are no Liens for Taxes
      upon the assets of the Company or any of its Subsidiaries, other than
      Liens for current Taxes not yet due and payable and Liens for Taxes that
      are being contested in good faith by appropriate proceedings, and (D)
      neither the Company nor any of its Subsidiaries has requested any
      extension of time within which to file any Tax Returns in respect of any
      taxable year which have not since been filed, and no request for waivers
      of the time to assess any Taxes are pending or outstanding; (iv) none of
      the Company or any of its Subsidiaries has made an election under Section
      341(f) of the Code; (v) as of the date hereof, the consolidated federal
      income Tax Returns for the Company and its Subsidiaries have never been
      examined by the Internal Revenue Service; (vi) the net operating loss
      carryforwards ("NOLs") of the Company and its Subsidiaries as of December
      31, 1997 are reasonably expected to equal the amount of NOLs set forth on
      the most recent consolidated federal income Tax Return of the Company and
      its Subsidiaries, and, except for limitations that may apply by reason of
      the 


                                      -18-
<PAGE>

      Merger or related transactions contemplated by this Agreement, such NOLs
      are not subject to limitation under Section 382 of the Code, Treasury
      Regulation Section 1.1502-15T or -21T or otherwise; (vii) neither the
      Company nor any of its Subsidiaries is a party to any agreement, contract
      or arrangement that could result, on account of the transactions
      contemplated hereunder, separately or in the aggregate, in the payment of
      any "excess parachute payments" within the meaning of Section 280G of the
      Code or any payment that would be nondeductible under Section 162(m) of
      the Code; (viii) neither the Company nor any of its Subsidiaries has any
      liability for Taxes of any person (other than the Company and its
      Subsidiaries) under Treasury Regulation Section 1.1502-6 (or any
      comparable provision of state, local or foreign law); (ix) neither the
      Company nor any Subsidiary is a party to any agreement relating to the
      allocation or sharing of Taxes (other than informal arrangements among the
      Company and its Subsidiaries); and (x) as of the date hereof, neither the
      Company nor any of its Subsidiaries knows of any facts with respect to the
      Company or its Subsidiaries that would reasonably be expected to prevent
      or materially or burdensomely impede the Merger from qualifying as a
      reorganization within the meaning of Section 368(a) of the Code.

            (i) Absence of Certain Changes or Events. Since June 30, 1998
      through the date of this Agreement, (A) each of the Company and its
      Subsidiaries has conducted its business in the ordinary course consistent
      with its past practice, except for the execution and delivery of this
      Agreement; (B) there has not been any event, development or change of
      circumstance that constitutes, has had, or could reasonably be expected to
      have, individually or in the aggregate, a Material Adverse Effect on the
      Company; and (C) except as disclosed in Schedule 3.1(i)(C), through the
      date of this Agreement, none of the Company or its Subsidiaries has taken
      or failed to take any action which, if taken after the date hereof, would
      have required the consent of Parent under Section 4.1 hereof.

            (j) Vote Required. The affirmative vote of the holders of a majority
      of the outstanding shares of Company Common Stock (the "Required Company
      Vote") is the only vote of the holders of any class or series of the
      Company capital stock necessary to approve this Agreement and the
      transactions contemplated hereby.

            (k)   Certain Agreements.

                  (i) Schedule 3.1(k) contains a true and complete list of all
            agreements, arrangements or understandings (a) listed or which would
            be required to be listed as an exhibit to the Company's Annual
            Report on Form 10-K for the year ended December 31, 1997 under the
            rules and regulations of the SEC, (b) relating to indebtedness for
            money borrowed by the Company or any Subsidiary, which individually
            or in the aggregate represent an amount greater than $1,000,000
            excluding trade credit or payables in the ordinary course of
            business, (c) creating any guarantee or keepwell arrangement or
            other agreement to be liable for the obligations of another Person
            other than the Company or its wholly owned Subsidiaries, (d)
            providing for payments or the receipt of payments or the sale,
            purchase or exchange of goods or services worth in excess of
            $1,000,000 (or in 


                                      -19-
<PAGE>

            fact resulting in such payments for 1997), (e) with any
            agent/dealer/retailer for the Company's products or services, (f)
            any joint venture or partnership agreement, (g) with any paging
            enterprise for the reselling of products or services, (h) which is
            an interest rate, equity or other swap or derivative instrument, (i)
            containing any provision or covenant limiting the ability of the
            Company or its Subsidiaries or any of its or their affiliates to
            sell any products or services of or to any other person, engage in
            any line of business or compete with or to obtain products or
            services from any person or limiting the ability of any person to
            provide products or services to the Company or any of its
            Subsidiaries or affiliates and (j) cell site leases (collectively,
            the "Company Material Contracts"). The Company has previously
            provided Parent with true and correct copies of each of the Company
            Material Contracts, as in effect on the date hereof.

                  (ii) All Company Material Contracts are valid and enforceable
            and in full force and effect except to the extent they have
            previously expired in accordance with their terms, and neither the
            Company nor any of its Subsidiaries has violated any provision of,
            or committed or failed to perform any act which, with or without
            notice, lapse of time, or both, could reasonably be expected to
            constitute a default under the provisions of, any such Company
            Material Contract, except for any invalidity, unenforceability or
            defaults which, individually or in the aggregate, could not
            reasonably be expected to have a Material Adverse Effect on the
            Company. To the knowledge of the Company, no counterparty to any
            such Company Material Contract has violated any provision of, or
            committed or failed to perform any act which, with or without
            notice, lapse of time, or both, could reasonably be expected to
            constitute a default or other breach under the provisions of, such
            the Company Material Contract, except for defaults or breaches
            which, individually or in the aggregate, could not reasonably be
            expected to have a Material Adverse Effect on the Company. The
            Company has no obligations under that certain Joint Venture
            Agreement, dated as of January 19, 1990, as amended.

            (l)   Employee Benefit Plans; Labor Matters; Options.

                  (i) For purposes of this Agreement, the following definitions
            apply: "Controlled Group Liability" means any and all liabilities
            under (A) Title IV of ERISA, (B) section 302 of ERISA, (C) sections
            412 and 4971 of the Code, (D) the continuation coverage requirements
            of section 601 et seq. of ERISA and section 4980B of the Code, and
            (E) corresponding or similar provisions of foreign laws or
            regulations, other than such liabilities that arise solely out of,
            or relate solely to, the Plans; "ERISA" means the Employee
            Retirement Income Security Act of 1974, as amended, and the
            regulations thereunder; "ERISA Affiliate" means, with respect to any
            entity, trade or business, any other entity, trade or business that
            is a member of a group described in Section 414(b), (c), (m) or (o)
            of the Code or Section 4001(b)(1) of ERISA that includes the first
            entity, trade or business, or that is a member of the same
            "controlled group" as the first entity, trade or business pursuant
            to Section 4001(a)(14) of ERISA.


                                      -20-
<PAGE>

                  (ii) With respect to each employee benefit plan, program,
            arrangement and contract (including, without limitation, any
            "employee benefit plan," as defined in Section 3(3) of ERISA and any
            bonus, deferred compensation, stock bonus, stock purchase,
            restricted stock, stock option, employment, termination, change in
            control and severance plan, program, arrangement and contract), to
            which the Company or any of its Subsidiaries is a party, which is
            maintained or contributed to by the Company or any of its
            Subsidiaries, or with respect to which the Company or any of its
            Subsidiaries could incur material liability under Section 4069, 4201
            or 4212(c) of ERISA (the "Company Benefit Plans"), the Company has
            made available to Parent a true and complete copy of (A) such
            Company Benefit Plan, (B) the most recent annual report (Form 5500)
            filed with the Internal Revenue Service (the "IRS"), (C) each trust
            or other funding arrangement relating to such Company Benefit Plan,
            (D) the most recent summary plan description related to each Company
            Benefit Plan for which a summary plan description is required, (E)
            the most recent actuarial report (if applicable) relating to a
            Company Benefit Plan and (F) the most recent determination letter,
            if any, issued by the IRS with respect to any Company Benefit Plan
            qualified under Section 401(a) of the Code. Schedule 3.1(l) of the
            Company Disclosure Schedule sets forth a true and complete list of
            Company Benefit Plans.

                  (iii) Each of the Company Benefit Plans that is an "employee
            pension benefit plan" within the meaning of Section 3(2) of ERISA
            and that is intended to be qualified under Section 401(a) of the
            Code has received a favorable determination letter from the IRS, and
            the Company is not aware of any circumstances likely to result in
            the revocation of any such favorable determination letter that could
            reasonably be expected to have a Material Adverse Effect on the
            Company.

                  (iv) All contributions, except for contributions which are
            not, individually or in the aggregate, material, required to be made
            to any Company Benefit Plan by applicable law have been timely made.

                  (v) The Company does not maintain or contribute to any Company
            Benefit Plan that is subject to Title IV or Section 302 of ERISA or
            Sections 412 or 4971 of the Code.

                  (vi) There does not now exist, nor do any circumstances exist
            that could result in, any Controlled Group Liability that would be a
            material liability to the Company following the Effective Date.

                  (vii) The Company has no material liability for life, health,
            medical or other welfare benefits to former employees or
            beneficiaries or dependents thereof, except for health continuation
            coverage as required by Section 4980B of the Code or Part 6 of Title
            I of ERISA and at no expense to the Company.


                                      -21-
<PAGE>

                  (viii) No Company Benefit Plan covers foreign employees, other
            than resident aliens.

                  (ix) No Company Benefit Plan provides for the reimbursement of
            any excise taxes under Section 4999 of the Code or any income taxes
            under the Code.

                  (x) As of the date hereof, to the knowledge of the Company
            there are no actions, proceedings, arbitrations, suits or claims
            (other than claims for benefits) pending or threatened with respect
            to any Company Benefit Plan.

                  (xi) With respect to the Company Benefit Plans, no event has
            occurred and, to the knowledge of the Company, there exists no
            condition or set of circumstances, in connection with which the
            Company or any of its Subsidiaries could be subject to any material
            liability under the terms of such Company Benefit Plans, ERISA, the
            Code or any other applicable law (other than ordinary course
            liabilities to fund such Company Benefit Plans pursuant to their
            terms).

                  (xii) None of the Company or its Subsidiaries is a party to
            any collective bargaining or other labor union contracts, no
            collective bargaining agreement is being negotiated by the Company
            or any of its Subsidiaries, and as of the date hereof to the
            knowledge of the Company no campaign or other attempt for
            recognition has been made by any labor organization or employee with
            respect to employees of the Company and to the knowledge of the
            Company at the date hereof, no such campaign or other attempt has
            been threatened or made in the past three years. As of the date
            hereof, there is no pending labor dispute, strike or work stoppage
            against the Company or any of its Subsidiaries which may interfere
            in any material respect with the respective business activities of
            the Company or any of its Subsidiaries. There is no material pending
            charge or complaint against the Company or any of its Subsidiaries
            by the National Labor Relations Board or any comparable state
            agency.

                  (xiii) Except as set forth in Schedule 3.1(l)(xiii), all
            employment and consulting agreements to which the Company is a party
            have been made available to Parent, and as of the date hereof there
            are no other written agreements obligating the Company to employ any
            individual.

                  (xiv) At the Effective Time, any outstanding Company Options
            will be exercisable only for cash or the Merger Consideration and
            not for capital stock of the Company or Merger Sub.

            (m) Brokers or Finders. No agent, broker, investment banker,
      financial advisor or other firm or Person engaged by the Company or any of
      its Affiliates is or will be entitled to any broker's or finder's fee or
      any other similar commission or fee in connection with any of the
      transactions contemplated by this Agreement from the Company or any
      Subsidiary, except Wasserstein Perella & Co., Inc. A true and complete


                                      -22-
<PAGE>

      copy of the engagement letter of Wasserstein Perella & Co., Inc. has been
      delivered to Parent prior to the date hereof.

            (n) Opinion of Financial Advisor. The Company has received the
      opinion of Wasserstein Perella & Co., Inc. dated the date of this
      Agreement to the effect that, as of such date, the Merger Consideration is
      fair, from a financial point of view, to the holders of Company Common
      Stock.

            (o) Year 2000 Compliance. The Company has taken steps (summarized in
      Schedule 3.1(o)) that are reasonable to ensure that the occurrence of the
      year 2000 will not materially and adversely affect the information and
      business systems of the Company or the Subsidiaries, and no expenditures
      in excess of currently budgeted items will be required in order to cause
      such systems to operate properly following the change of the year 1999 to
      2000. The Company has taken the actions described in such Schedule (to the
      extent described therein), has resolved (or is in the process of
      resolving) any issues arising as a result of tests taken or otherwise to
      the knowledge of the Company, and is not aware of any fact that would lead
      one to reasonably conclude that the Company will be unable to resolve any
      of such issues on the timetable set forth in Schedule 3.1(o) (and in any
      event on a timely basis in order to be resolved before the year 2000).

            (p) Affiliated Transactions and Certain Other Agreements. Set forth
      in Schedule 3.1(p) is a list of (a) all contracts, arrangements,
      agreements or understandings that would be required to be described
      pursuant to Item 404 of Regulation S-K of the Securities Act of 1933, as
      amended, except for those contracts, arrangements, agreements or
      understandings disclosed in the Company's 1998 Proxy Statement or Annual
      Report on Form 10-K for the year ended December 31, 1997, and (b) all
      agreements or understandings, whether written or oral, giving any Person
      the right to require the Company to register shares of capital stock or to
      participate in any such registration. The Company has previously provided
      to Parent true and complete copies of each of the foregoing agreements.

            (q) Environmental Matters. Except as disclosed in the Company SEC
      Reports filed prior to the date hereof, and except as could not reasonably
      be expected to result in a Material Adverse Effect on the Company: (i) the
      Company and its Subsidiaries have complied with all applicable
      Environmental Laws; (ii) the properties currently owned or operated by the
      Company and its Subsidiaries (including soils, groundwater, surface water,
      buildings or other structures) are not contaminated with any Hazardous
      Substance to an extent reasonably likely to give rise to liability or
      remediation obligations for the Company or any Subsidiary under any
      applicable Environmental Law; (iii) the properties formerly owned or
      operated by the Company or any of its Subsidiaries were not contaminated
      with any Hazardous Substance during the period of ownership or operation
      by the Company or any of its Subsidiaries to an extent reasonably likely
      to give rise to liability or remediation obligations for the Company or
      any Subsidiary; (iv) neither the Company nor any of its Subsidiaries is
      reasonably likely to be subject to liability or remediation obligations
      for any Hazardous Substance disposal or management or 


                                      -23-
<PAGE>

      contamination at any other property to an extent reasonably likely to give
      rise to liability or remediation obligations for the Company or any
      Subsidiary under any Environmental Laws; (v) neither the Company nor any
      of its Subsidiaries has received any notice, demand, letter, claim or
      request for information indicating that the Company or any of its
      Subsidiaries may be in violation of or subject to liability under any
      Environmental Law; (vi) neither the Company nor any of its Subsidiaries is
      subject to any orders, decrees, injunctions or other arrangements with any
      Governmental Entity or any indemnity or other agreement with any third
      party relating to any Environmental Law or Hazardous Substances; and (vii)
      there are no other circumstances or conditions involving the Company or
      any of its Subsidiaries that could reasonably be expected to result in any
      claims, liability, investigations, costs or restrictions on the ownership,
      use, or transfer of any property of the Company pursuant to any
      Environmental Law. As used herein, the term "Environmental Law" means any
      federal, state, local or foreign law, statute, ordinance, regulation,
      judgment, order, decree, arbitration award, agency requirement, license,
      permit, authorization or common law, relating to the protection.
      investigation or restoration of the environment, health and safety, or
      natural resources. As used herein, the term "Hazardous Substance" means
      any substance that is: (A) a pollutant or contaminant or a hazardous or
      toxic chemical, waste, substance or material, including any petroleum
      product or by-product, asbestos-containing material, lead-containing paint
      or plumbing, polychlorinated biphenyls, radioactive materials or radon; or
      (B) any other substance that may be the subject of regulatory action by
      any Governmental Entity pursuant to any Environmental Law.

            (r) Intellectual Property. The Company and its Subsidiaries own, or
      have the defensible right to use, the Intellectual Property used in their
      respective businesses, except where the failure to own or have the right
      to use such Intellectual Property, individually or in the aggregate, does
      not and would not have a Material Adverse Effect on the Company. As used
      herein, "Intellectual Property" means all industrial and intellectual
      property rights, including Proprietary Technology, patents, patent
      applications, trademarks, trademark applications and registrations,
      service marks, service mark applications and registrations, copyrights,
      know-how, licenses, trade secrets, proprietary processes, formulae and
      customer lists; and "Proprietary Technology" means all proprietary
      processes, formulae, inventions, trade secrets, know-how, development
      tools and other proprietary rights used by the Company and its
      Subsidiaries pertaining to any product, software or service manufactured,
      marketed, licensed or sold by the Company and its Subsidiaries or Parent
      and its Subsidiaries, as the case may be, in the conduct of their business
      or used, employed or exploited in the development, license, sale,
      marketing, distribution or maintenance thereof, and all documentation and
      media constituting, describing or relating to the above, including
      manuals, memoranda, know-how, notebooks, software, records and
      disclosures.

            (s) Properties. Schedule 3.1(s) lists all material real property and
      material interests in real property owned by the Company or its
      Subsidiaries or leased by the Company or its Subsidiaries as lessee or
      lessor, as well as all material real property and material interests in
      real property used or held for use as cell sites.


                                      -24-
<PAGE>

            (t) Assets. All assets of the Company are in good operating
      condition and sufficient for the Company's use thereof, normal wear and
      tear excepted, except where such failure to be in good operating condition
      could not reasonably be expected to result in a Material Adverse Effect.
      The Company owns or has rights to use all assets necessary for the conduct
      of its business and operations or reflected on the balance sheet included
      in the most recent Form 10-Q filed by the Company with the SEC, except
      where the lack of such ownership or rights could not reasonably be
      expected, individually or in the aggregate, to have a Material Adverse
      Effect on the Company.

            (u) Insurance. The Company and its Subsidiaries are insured, and
      shall continue to maintain insurance, in such amounts and against such
      losses and risks as are consistent with industry practice and, in the
      reasonable judgment of senior management of the Company, are adequate to
      protect the properties and business of the Company and its Subsidiaries.
      As of the date hereof, no written notice of cancellation or nonrenewal
      with respect to any material insurance policy has been received by the
      Company or any of its Subsidiaries. Copies of all such insurance policies
      have been furnished or made available to Parent.

            (v) Foreign Operations. Schedule 3.1(v) contains a complete list of
      foreign nations in which the Company has a current investment or operation
      (and the nature of Persons conducting such operations.)

            3.2 Joint and Several Representations and Warranties of Parent and
Merger Sub. Parent and Merger Sub jointly and severally represent and warrant to
the Company as follows:

            (a) Organization, Standing and Power. Each of Parent and Merger Sub
      is a corporation duly organized and is validly existing and in good
      standing under the laws of the jurisdiction of its incorporation, and has
      the requisite corporate power and corporate authority to own, lease, and
      operate its properties and assets and to carry on its business as it is
      now being conducted. Each of Parent and Merger Sub is duly qualified and
      in good standing to do business in each jurisdiction in which the nature
      of its business or the ownership or leasing of its properties makes such
      qualification necessary, other than in such jurisdictions where the
      failure so to qualify or be in good standing could not reasonably be
      expected, individually or in the aggregate, to have a Material Adverse
      Effect on Parent.

            (b) Authorization and Execution. Each of Parent and Merger Sub has
      the requisite corporate power and authority to execute and deliver this
      Agreement and to consummate the transactions contemplated hereby. The
      execution, delivery, and performance by each of Parent and Merger Sub of
      this Agreement have been duly authorized by the Board of Directors of such
      corporation and by Parent as sole stockholder of Merger Sub, and no
      further corporate action of Parent or Merger Sub is necessary to
      consummate the transactions contemplated hereby. Each of Parent and Merger
      Sub have duly executed and delivered this Agreement, and this agreement


                                      -25-
<PAGE>

      constitutes the legal, valid, and binding obligation of such party
      enforceable against it in accordance with its terms, except as such
      enforceability may be limited by bankruptcy, insolvency, reorganization,
      moratorium and similar laws relating to or affecting creditors generally,
      by general equity principles (regardless of whether such enforceability is
      considered in a proceeding in equity or at law) or by an implied covenant
      of good faith and fair dealing.

            (c) Parent Common Stock. The shares of Parent Common Stock to be
      issued pursuant to Article I will, when issued, be duly authorized,
      validly issued, fully paid and nonassessable, and no stockholder of Parent
      is entitled to preemptive rights as a result of the issuance of the Parent
      Company Stock hereunder. The Parent Common Stock to be issued in the
      Merger will, when issued, be registered under the Securities Act and the
      Exchange Act and registered or exempt from registration under any
      applicable state securities laws, in each case for delivery hereunder to
      holders of Company Common Stock. The Parent has available for issuance
      under its Organization Documents a sufficient number of shares of
      authorized Parent Common Stock necessary to satisfy Parent's obligations
      under this Agreement.

            (d) No Conflicts. The execution and delivery of this Agreement does
      not or will not, as the case may be, (i) conflict with or result in a
      breach of the Articles or Certificate of Incorporation, Bylaws or similar
      organizational documents, as currently in effect, of Parent or any of its
      "Significant Subsidiaries" (as such term is defined in regulations
      promulgated under the Securities Act or the Exchange Act), (ii) except for
      (A) the consents, approvals, orders, authorizations, registrations,
      declarations and filing required under or in relation to clause (x) of
      Section 3.1(c)(iii) and (B) such consents, approvals, orders,
      authorizations, registrations, declarations and filings the failure of
      which to make or obtain could not reasonably be expected to have a
      Material Adverse Effect on Parent or impair or delay the ability of Parent
      or consummate the transactions contemplated hereby, require any filing
      with, or consent or approval of, any Government Entity having jurisdiction
      over any of the business or assets of Parent or any of its Significant
      Subsidiaries, (iii) violate any statute, law, ordinance, rule or
      regulation applicable to Parent or any of its Significant Subsidiaries or
      any injunction, judgment, order, writ, or decree to which Parent or any of
      its Significant Subsidiaries is subject, or (iv) result in a breach of, or
      constitute a default or an event which, with the passage of time or the
      giving of notice, or both, would constitute a default, give rise to a
      right of termination, cancellation, or acceleration, create any
      entitlement of any third party to any material payment or benefit, require
      the consent of any third party, or result in the creation of any lien on
      the assets or stock of Parent or any of its Significant Subsidiaries,
      except, in the case of clauses (ii), (iii) and (iv), where the violation,
      breach, default, termination, cancellation, acceleration, payment,
      benefit, or lien, or the failure to make such filing or obtain such
      consent or approval could not, individually or in the aggregate,
      reasonably be expected to have a Material Adverse Effect on Parent.


                                      -26-
<PAGE>

            (e)   Reports and Financial Statements.

                  (i) Parent has filed all required reports, schedules, forms,
            statements and other documents required to be filed by it with the
            SEC since January 1, 1996 (collectively, including all exhibits
            thereto and documents incorporated by reference therein, the "Parent
            SEC Reports"). None of the Parent SEC Reports, as of their
            respective dates (and, if amended or superseded by a filing prior to
            the date of this Agreement, then on the date of such filing),
            contained or will contain any untrue statement of a material fact or
            omitted or will omit to state a material fact required to be stated
            therein or necessary to make the statements therein, in light of the
            circumstances under which they were made, not misleading. Each of
            the financial statements (including the related notes) included in
            the Parent SEC Reports presents fairly, in all material respects,
            the consolidated financial position and consolidated results of
            operations and cash flows of Parent and its Subsidiaries as of the
            respective dates or for the respective periods set forth therein,
            all in conformity with GAAP consistently applied during the periods
            involved except as otherwise noted therein, and subject, in the case
            of the unaudited interim financial statements, to normal and
            recurring year-end adjustments that have not been and are not
            expected to be material in amount. All of such Parent SEC Reports,
            as of their respective dates (and as of the date of any amendment to
            the respective Parent SEC Report), complied as to form in all
            material respects with the applicable requirements of the Securities
            Act and the Exchange Act and the rules and regulations promulgated
            thereunder.

            (f) Proxy Statement/Registration Statement. The Registration
      Statement shall not at the time the Registration Statement is declared
      effective by the SEC contain any untrue statement of a material fact or
      omit to state any material fact required to be stated in the Registration
      Statement or necessary in order to make the statements in the Registration
      Statement, in light of the circumstances under which they were made, not
      misleading (excluding any statement based upon information supplied by the
      Company for inclusion in the Proxy Statement). The information to be
      supplied by Parent for inclusion in the Registration Statement shall not
      on the date the Proxy Statement is first mailed to shareholders of the
      Company, at the time of the Company Shareholders' Meeting, and at the
      Effective Time, contain any statement that, at such time and in light of
      the circumstances under which it shall be made, is false or misleading
      with respect to any material fact, or omit to state any material fact
      necessary in order to make the statements made in the Proxy Statement not
      false or misleading.

            (g) Absence of Certain Changes or Events. Except as expressly
      disclosed in the Parent SEC Reports filed prior to the date of this
      Agreement, since June 30, 1998, there has not been a Material Adverse
      Effect on Parent or any development or combination of developments of
      which management of Parent has knowledge which is reasonably likely to
      result in such an effect.


                                      -27-
<PAGE>

            (h) No Vote Required. No vote or approval of the holders of any
      class of Parent shares is necessary to approve this Agreement and the
      transactions contemplated hereby.

            (i) Brokers or Finders. No agent, broker, investment banker,
      financial advisor or other firm or Person engaged by Parent or Merger Sub
      is or will be entitled to any broker's or finder's fee or any other
      similar commission or fee from the Company or its Subsidiary in connection
      with any of the transactions contemplated by this Agreement.

            (j) Ownership of Company Common Stock. Except for Company Common
      Shares which Parent may acquire pursuant to the terms of the Option
      Agreement and the Voting Agreements, Parent "beneficially owns" (as such
      terms are used in connection with Rule 13d-3 under the Exchange Act) less
      than 1% of the outstanding Company Common Shares.

            (k) Merger Sub. Merger Sub was formed solely for the purpose of
      effecting the Merger and has not engaged in any business activities or
      conducted any operations other than in connection with the Merger. Except
      for obligations or liabilities incurred in connection with its
      incorporation or organization and the transactions contemplated by this
      Agreement, and except for this Agreement and any other agreements or
      arrangements contemplated by this Agreement, Merger Sub has not incurred,
      directly or indirectly, through any subsidiary or affiliate, any
      obligations or liabilities or entered into any agreement or arrangements
      with any person.

                                   ARTICLE IV.
                  COVENANTS RELATING TO CONDUCT OF BUSINESS

            4.1 Covenants of the Company. During the period from the date of
this Agreement and continuing until the Effective Date (except as expressly
permitted by this Agreement or as otherwise indicated in Schedules 4.1 or to the
extent that Parent shall otherwise consent in writing), the Company and its
Subsidiaries shall carry on their respective businesses in the usual, regular
and ordinary course in all material respects, in substantially the same manner
as heretofore conducted, and shall use reasonable best efforts to preserve their
relationships with employees, Governmental Entities, customers, suppliers and
others having business dealings with them with the objective that their ongoing
businesses shall not be impaired at the Effective Time. In furtherance and not
in limitation of the foregoing, until the Effective Time (except as expressly
permitted by this Agreement or as otherwise indicated in the Company Disclosure
Schedule or to the extent that Parent shall otherwise consent in writing):

            (a) Dividends; Changes in Share Capital. The Company shall not, and
      shall not permit any of its Subsidiaries to, and shall not propose to, (i)
      declare or pay any dividends on or make other distributions in respect of
      any of its capital stock, except dividends by the Company's wholly-owned
      Subsidiaries in the ordinary course of business consistent with past
      practice, (ii) split, combine, subdivide or reclassify any of its capital
      stock or issue or authorize or propose the issuance of any other
      securities in respect of, in lieu of or in substitution for, shares of its
      capital stock, except for any such 


                                      -28-
<PAGE>

      transaction by a wholly-owned Subsidiary of the Company which remains a
      wholly-owned Subsidiary after consummation of such transaction, or (iii)
      repurchase, redeem or otherwise acquire any shares of its capital stock or
      any securities convertible into or exercisable for any shares of its
      capital stock.

            (b) Securities. The Company and its Subsidiaries shall not issue,
      deliver, sell, dispose, pledge or encumber, or authorize or propose the
      issuance, delivery, sale, disposition, pledge or encumbrance of, any
      shares of its capital stock of any class or other securities or any
      securities convertible into or exercisable or exchangeable for, or any
      rights, warrants, calls, commitments or options to acquire, any such
      shares or securities, or enter into any agreement with respect to any of
      the foregoing and shall not amend any equity-related awards issued
      pursuant to the Company Benefit Plans, other than the issuance of Company
      Common Stock upon the exercise of stock options issued in the ordinary
      course of business and consistent with past practice in accordance with
      the terms of the Company Stock Option Plans as in effect on the date of
      this Agreement.

            (c) Organizational Documents and Funding. The Company and its
      Subsidiaries shall not amend or propose to amend their respective
      Organizational Documents.

            (d) Investments and Loans. The Company shall not, and shall not
      permit any of its Subsidiaries to, (i) incur any indebtedness for borrowed
      money or guarantee, endorse or assume any obligation of other Persons
      other than indebtedness of the Company or any of its Subsidiaries to the
      Company or any wholly owned Subsidiary of the Company; provided, however,
      that the Company may incur indebtedness under its current bank credit
      facilities such that the total amount outstanding thereunder does not
      exceed the amounts set forth on Schedule 4.1 (d)(i) to the extent and for
      the purposes set forth on such schedule plus any amounts necessary to
      comply with Section 5.9, (ii) make any loans, advances or capital
      contributions to, or investments in, any other Person, other than by the
      Company or any of its Subsidiaries to or in the Company or any of its
      wholly-owned Subsidiaries, except for loans, advances, capital
      contributions or investments in Persons that are entities in whom the
      Company has investments as of the date of this Agreement, made in the
      ordinary course of business, consistent with past practice, in respect of
      the Company's current line of business (and after consultation with
      Parent) which in the aggregate do not exceed two million dollars, or (iii)
      pay, discharge or satisfy any claims, liabilities or obligations
      (absolute, accrued, asserted or unasserted, contingent or otherwise),
      other than in the ordinary course of business consistent with past
      practice.

            (e) Compensation. The Company and its Subsidiaries shall not (i)
      grant any increases in the compensation of any of its directors, officers
      or employees, except in the ordinary course of business consistent with
      past practice, (ii) pay or award or agree to pay or award any pension,
      retirement allowance, or other nonequity incentive awards, or other
      employee benefit, not required by any outstanding employee benefit plans
      or arrangements to any current or former director, officer or employees,
      whether past or present, or to any other Person, except for payments or
      awards that are in the ordinary 


                                      -29-
<PAGE>

      course of business, consistent with past practice, and that are not
      material; provided, however, that the Company and its Subsidiaries may pay
      cash bonuses for 1998 in the ordinary course of business consistent with
      past practice not to exceed the amount set forth in Schedule 4.1(e)(ii),
      (iii) reprice, pay or award or agree to reprice, pay or award any stock
      option or equity incentive awards, (iv) enter into any new or amend any
      existing employment agreement with any director, officer or employee,
      except for employment agreements with new employees entered into in the
      ordinary course of business consistent with past practice and except with
      respect to employees who are not officers, executives or directors of the
      Company or its Subsidiaries, for amendments in the ordinary course of
      business, consistent with past practice, that do not materially increase
      benefits or payments, (v) enter into any new or amend any existing
      severance agreement with any current or former director, officer or
      employee, except with respect to employees who are not officers,
      executives or directors of the Company or its Subsidiaries, for agreements
      or amendments in the ordinary course of business, consistent with past
      practice, that do not provide for materially increased benefits, (vi)
      other than the acceleration of outstanding Company Stock Options and
      payments under the Company's Five Year Incentive Plan, and other payments,
      in each case as set forth in Schedule 4.1(e)(vi), enter into any agreement
      or exercise any discretion providing for acceleration of payment or
      performance as a result of a change of control of the Company or its
      Subsidiaries or (vii) become obligated under any new employee benefit plan
      or arrangement, which was not in existence on the date hereof or amend or
      exercise discretion pursuant to any such employee benefit plan or
      arrangement in existence on the date hereof, except for any such amendment
      applicable only to employees who are not officers, executives or directors
      of the Company or its Subsidiaries or exercise of discretion in the
      ordinary course of business, consistent with past practice (that does not
      disproportionately effect officers, executives or directors as opposed to
      other employees);

            (f) Extraordinary Transactions. The Company and its Subsidiaries
      shall not adopt a plan of complete or partial liquidation, dissolution,
      merger, consolidation, restructuring, recapitalization or other
      reorganization of the Company or any of its Subsidiaries;

            (g) Acquisitions; Other Uses of Funds. The Company and its
      Subsidiaries shall not make any acquisition, by means of merger,
      consolidation or otherwise, of (i) any direct or indirect ownership
      interest in or assets comprising any business enterprise or operation or
      spectrum or (ii) except in the ordinary course and consistent with past
      practice, any other assets;

            (h) Wireless Assets. The Company and its Subsidiaries shall not make
      any disposition of any direct or indirect ownership interest in or assets
      comprising any tower or wireless system or part thereof or cell site or
      any other local service or access system (including any shares of capital
      stock of any Subsidiary holding any such interest) or other investment
      (other than cash equivalents) or material business enterprise or operation
      (except for the replacement or upgrade of assets, or disposition of
      redundant assets, in each case in the ordinary course and consistent with
      past practice), except sales of 


                                      -30-
<PAGE>

      individual assets (other than inventory) in the ordinary course and
      consistent with past practice not exceeding, in the aggregate, $1,000,000;

            (i) Line of Business. The Company and its Subsidiaries shall not (i)
      make any investment in a Person with operations in any foreign nation
      other than in those Persons listed Schedule 4.1(i) (and only if such
      Persons continue to operate only in the nations listed on Schedule 3.1(v))
      or (ii) engage in the conduct of any business or in any nation other than
      the wireless telecommunications and related businesses conducted as of the
      date hereof and in the nations where so conducted or in any planned
      expansion thereof as disclosed to Parent in writing prior to the date
      hereof;

            (j) Expenditures. For any quarter, the Company and its Subsidiaries
      shall not make any capital expenditures in excess of the total amount set
      forth for capital expenditures for such quarter in Schedule 4.1(j);
      provided that any amounts not spent in prior quarters permitted hereunder
      may be spent in succeeding quarters, and any amounts set forth for a
      particular quarter may be accelerated and spent in the immediately
      preceding quarter. The Company shall not enter into any contracts,
      arrangements or understandings requiring capital expenditures at times or
      in amounts other than as set forth in the preceding sentence;

            (k) Affiliates. The Company and its Subsidiaries shall not enter
      into, or amend or waive any right under, any agreement with any Affiliates
      of the Company (other than its Subsidiaries) or with International
      Wireless Communications Holdings, Inc. or its Affiliates;

            (l) Claims. The Company and its Subsidiaries shall not (i) settle or
      compromise any material claims (including without limitation Tax claims)
      or material litigation; (ii) except in the ordinary course of business
      consistent with past practice, prepay or terminate any Company Material
      Contracts; or (iii) except in the ordinary course of business, modify,
      prepay, amend or terminate any other material agreement of the Company or
      any Subsidiary or waive, release or assign any material rights or claims;

            (m) Certain Agreements. The Company and its Subsidiaries shall not
      enter into any agreement containing any provision or covenant limiting the
      ability of the Company or its Subsidiary to (i) sell any products or
      services of or to any other person, (ii) engage in any line of business or
      (iii) compete with or to obtain products or services from any person or
      limiting the ability of any person to provide products or services to the
      Company or any of its Subsidiaries;

            (n) Tax and Accounting. Neither the Company nor any of its
      Subsidiaries shall make or rescind any material Tax election (other than
      the making of such elections in the ordinary course of business consistent
      with past practice, which elections are required to be made on a periodic
      basis), settle or compromise any material Tax liability or change any of
      its methods of accounting for Tax or other purposes, except as may be
      required by applicable law or by the rules and pronouncements of the
      Securities and Exchange Commission;


                                      -31-
<PAGE>

            (o) Other Actions. The Company shall not, and shall not permit any
      of its Subsidiaries to, take any action that could reasonably be expected
      to result in (i) any of the representations or warranties of the Company
      set forth in this Agreement that are qualified as to materiality becoming
      untrue, or any of the representations or warranties of the Company set
      forth in this Agreement that are not so qualified becoming untrue in any
      material respect or (ii) except as otherwise permitted by Section 5.4, any
      of the conditions to the Merger set forth in Article VI not being
      satisfied.

            (p) Intention. The Company and its Subsidiaries shall not enter into
      any agreement, commitment, or obligation to take any action prohibited by
      this Section.

            4.2 Reasonable Efforts. Subject to Parent's rights to delay the
Closing as set forth in Section 2.1, each of the Company and Parent and their
respective Subsidiaries shall use their reasonable commercial efforts to
effectuate the transactions contemplated hereby and to cause to be fulfilled the
conditions to Closing under this Agreement, and the Company shall use its
commercially reasonable efforts to comply with and to effectuate the Voting
Agreements and the Option Agreement. Notwithstanding the foregoing or anything
in this Agreement to the contrary, (i) (A) neither the Company nor any of its
Subsidiaries shall, without Parent's prior written consent, commit to any
divestiture or hold separate or similar transaction and each of the Company and
its Subsidiaries shall commit to, and shall use reasonable efforts to effect,
such thereof (which may, at the Company's option, be conditioned upon and
effective as of the Effective Time) as Parent shall request, and (B) neither
Parent nor any of its Subsidiaries shall be required to divest or hold separate
or otherwise take (or refrain from taking) or commit to take (or refrain from
taking) any action that limits its freedom of action with respect to, or its
ability to retain, the Company or any of its Subsidiaries or any material
portion of the assets of the Company and its Subsidiaries, or any of the
business, product lines or assets of Parent or any of its Subsidiaries, except
(1) Parent shall take such action with respect to personal communications
services ("PCS") spectrum in the Company's geographic cellular service areas as
is required to comply with the FCC's spectrum aggregation rules and policies or
shall obtain a timely waiver of such rules and policies and (2) any such
divestiture, requirement to hold separate, or limitation that arises after
Parent or any of its Subsidiaries engages in, or agrees to engage in, a merger,
acquisition or other business combination transaction after the date hereof (and
which has not been publicly announced prior to the date hereof), but would not
have arisen but for Parent engaging in or agreeing to engage in such
transaction, and (ii) nothing in this Agreement shall prevent or restrict Parent
and its Subsidiaries from engaging in any merger, acquisition or business
combination transaction; provided that such merger, acquisition or, business
combination transaction would not (x) prevent, or delay beyond the Outside Date
the ability of Parent to consummate the Merger or (y) cause the Merger to fail
to qualify as a reorganization within the meaning of Section 368(a) of the Code.

            4.3 NYSE Listing. Parent will use reasonable best efforts to cause
the shares of Parent Common Stock to be listed at the Effective Time on the
NYSE.

            4.4 Advice of Changes; Government Filings. Each party shall (a)
confer on a regular and frequent basis with the other, (b) report (to the extent
permitted by law, regulation 


                                      -32-
<PAGE>

and any applicable confidentiality agreement) on the Company's operational
matters and (c) promptly advise the other orally and in writing of (i) any
representation or warranty made by it contained in this Agreement that is
qualified as to materiality or Material Adverse Effect becoming untrue or
inaccurate in any respect or any such representation or warranty that is not so
qualified becoming untrue and inaccurate in may material respect, (ii) the
failure by it (A) to comply with or satisfy in any respect any covenant,
condition or agreement required to be complied with or satisfied by it under
this Agreement that is qualified as to materiality or Material Adverse Effect or
(B) to comply with or satisfy in any material respect any covenant, condition or
agreement required to be complied with or satisfied by it under this Agreement
that is not so qualified as to materiality or (iii) any change, event or
circumstance that has had or could reasonably be expected to have a Material
Adverse Effect on such party or materially adversely affect its ability to
consummate the Merger in a timely manner; provided, however, that no such
notification shall affect the representations, warranties, covenants or
agreements of the parties or the conditions to the obligations of the parties
under this Agreement. The Company and Parent shall file all reports required to
be filed by each of them with the FCC and the SEC (and all other Governmental
Entities) between the date of this Agreement and the Effective Time and shall
(to the extent permitted by law or regulation or any applicable confidentiality
agreement) deliver to the other party copies of all such reports promptly after
the same are filed. Each party agrees that, to the extent practicable, it will
consult with the other party with respect to the obtaining of all permits,
consents, approvals and authorizations of all third parties and Governmental
Entities necessary or advisable to consummate the transactions contemplated by
this Agreement and each party will keep the other party apprised of the status
of matters relating to completion of the transactions contemplated hereby.

            4.5 Control of Other Party's Business. Nothing contained in this
Agreement shall give the Company, directly or indirectly, the right to control
or direct Parent's operations prior to the Effective Time. Nothing contained in
this Agreement shall be given Parent, directly or indirectly, the right to
control or direct the Company's operations prior to the Effective Time. Prior to
the Effective Time, each of the Company and Parent shall exercise, consistent
with the terms and conditions this Agreement, complete control and supervision
over its respective operations.

                                   ARTICLE V.
                              ADDITIONAL AGREEMENTS

            5.1 Preparation of Proxy Statement/Registration; Company Shareholder
Meeting.

            (a) As promptly as practicable after the execution of this
      Agreement, Parent and the Company shall prepare and file with the SEC a
      proxy statement/prospectus (the "Proxy Statement") to be sent to the
      shareholders of the Company in connection with the Company Shareholders'
      Meeting to consider the Merger and the issuance of Parent Common Stock in
      connection therewith, and Parent shall prepare and file with the SEC a
      registration statement on Form S-4 pursuant to which the shares of Parent
      Common Stock to be issued in the Merger will be registered under the
      Securities Act (the "Registration 


                                      -33-
<PAGE>

      Statement"), in which the Proxy Statement will be included as a
      prospectus. Parent may delay the filing of the Registration Statement
      until after the Proxy Statement has been declared effective. Parent and
      the Company shall use reasonable best efforts to cause the Registration
      Statement to become effective as soon after the filing as practicable. The
      Proxy Statement shall include the unanimous recommendation of the Board of
      Directors of the Company in favor of this Agreement and the Merger unless
      the Board is not required to make such recommendation pursuant to clause
      (e) below. Parent and the Company shall make all other necessary filings
      with respect to the Merger under the Securities Act and the Exchange Act
      and the rules and regulations thereunder. If at any time before the
      Effective Time any event relating to the Company or Parent, or any of its
      affiliates, officers, or directors, is discovered by the Company or
      Parent, respectively, that should be set forth in an amendment to the
      Registration Statement or a supplement to the Proxy Statement, such party
      shall promptly so inform the other.

            (b) The Company shall take all action necessary to cause the
      representation set forth in Section 3.1(e) to be true and correct at all
      applicable times with respect to each of the Proxy Statement and the
      Registration Statement.

            (c) Parent shall take all action necessary to cause the
      representation set forth in Section 3.2(f) to be true and correct at all
      applicable times with respect to each of the Proxy Statement and the
      Registration Statement.

            (d) As soon as reasonably practicable, the Company and Parent shall
      take all such actions as may be necessary to comply with state "blue sky"
      or securities laws in connection with the transactions contemplated by
      this Agreement.

            (e) The Company shall, as soon as practicable following the date of
      this Agreement, duly call, give notice of, convene and hold a meeting of
      its shareholders (the "Company Shareholders Meeting") for the purpose of
      obtaining the Required Company Votes with respect to this Agreement. The
      Board of Directors of the Company shall unanimously recommend adoption of
      this Agreement by the shareholders of the Company and, upon Parent's
      request, reconfirm such recommendation (provided that the Board of
      Directors of the Company need not (1) make or reconfirm such
      recommendation (x) if at the time that it would otherwise be required to
      make or reconfirm such recommendation the Company is not then in breach of
      its obligations under Section 5.4 and (y) in such event, if and only to
      the extent that the Board of Directors of the Company concludes in good
      faith (after having consulted with and considered the advice of outside
      legal counsel) in connection with the receipt of a Superior Proposal that
      such action is necessary in order for its directors to comply with their
      respective fiduciary duties under applicable law, or (2) reconfirm such
      recommendation if no other Acquisition Proposal is pending or in
      Parent's reasonable judgment likely to become pending. Subject to the
      foregoing, the Company shall use reasonable best efforts to solicit such
      adoption.

            5.2 Access to Information. Upon reasonable notice, the Company and
its Subsidiaries shall afford to the officers, employees, accountants, counsel,
financial advisors and 


                                      -34-
<PAGE>

other representatives of Parent reasonable access during normal business hours,
during the period prior to the Effective Time, to all its personnel, properties,
books, contracts, commitments and records and, during such period, the Company
and its Subsidiaries shall furnish promptly to Parent (a) a copy of each report,
schedule, registration statement and other document filed, published, announced
or received by it during such period pursuant to the requirements of Federal or
state securities laws, as applicable (other than reports or documents which such
party is not permitted to disclose under applicable law) and (b) consistent with
its legal obligations, all other information concerning its business, properties
and personnel as Parent may reasonably request; provided, however, the Company
may restrict the foregoing access to the extent that (i) a Governmental Entity
requires the Company or any of its Subsidiaries to restrict access to any
properties or information reasonably related to any such contract on the basis
of applicable laws and regulations with respect to national security matters or
(ii) any law, treaty, rule or regulation of any Governmental Entity applicable
to the Company or its Subsidiaries requires the Company or its Subsidiaries to
restrict access to any properties or information.

            5.3 Approvals and Consents; Cooperation. Subject to Section 4.2,
each of the Company and Parent shall cooperate with each other and use (and
shall cause their respective Subsidiaries to use) its reasonable best efforts to
take or cause to be taken all actions, and do or cause to be done all things,
necessary, proper or advisable on their part under this Agreement and applicable
laws to consummate and make effective the Merger and the other transactions
contemplated by this Agreement as soon as practicable, including (i) preparing
and filing promptly, after consulting with the other party and providing an
opportunity to review related documentation in advance, all documentation to
effect all necessary applications, notices, petitions, filings, tax ruling
requests and other documents and to obtain all consents, waivers, licenses,
registrations, permits, authorizations, tax rulings and authorizations necessary
or advisable to be obtained from any third party and/or any Governmental Entity
in order to consummate the Merger or any of the other transactions contemplated
by this Agreement and (ii) taking all reasonable steps as may be necessary to
obtain all such consents, waivers, licenses, registrations, permits,
authorizations, tax rulings, orders and approvals. Without limiting the
generality of the foregoing, the Company and Parent agree to make all necessary
filings in connection with the Required Regulatory Approvals promptly following
the date of this Agreement, and to use its reasonable best efforts to furnish or
cause to be furnished, as promptly as practicable, all information and documents
requested with respect to such Required Regulatory Approvals and shall otherwise
cooperate with the applicable Governmental Entity in order to obtain any
Required Regulatory Approvals. Subject to Section 4.2, each of the Company and
Parent shall use its reasonable best efforts to resolve such objections, if any,
as any Governmental Entity may assert with respect to this Agreement and the
transactions contemplated hereby in connection with the Required Regulatory
Approvals in as expeditious a manner as possible. Subject to Section 4.2, in the
event that a suit is instituted by a Person or Governmental Entity challenging
this Agreement and the transactions contemplated hereby as violative of
applicable antitrust or competition laws or the Communications Act, each of the
Company and Parent shall use its reasonable best efforts to resist or resolve
such suit. The Company and Parent each shall, upon request by the other, furnish
the other with all information concerning itself, its Subsidiaries, directors,
officers and shareholders and such other matters as may be reasonably be
necessary or advisable in connection with the Proxy Statement or any 


                                      -35-
<PAGE>

other statement, filing, tax ruling request, notice or application made by or on
behalf of the Company, Parent or any of their respective Subsidiaries to any
third party and/or any Governmental Entity in connection with the Merger or the
other transactions contemplated by this Agreement.

            5.4 Acquisition Proposals. The Company agrees that it and its
Subsidiaries, officers, directors, employees, agents and representatives
(including any investment banker, attorney or accountant retained by it) shall
not, directly or indirectly, initiate, solicit, encourage or otherwise
facilitate any inquiries or the making of any proposal or offer with respect to
a merger, reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company (any such proposal or offer being
hereinafter referred to as an "Acquisition Proposal") and has terminated any
discussions or negotiations with, and the provision of information or data to,
any Person (other than Parent) respecting an Acquisition Proposal. The Company
further agrees that it and its Subsidiaries, officers, directors, employees,
agents and representatives (including any investment banker, attorney or
accountant retained by it) shall not, directly or indirectly, provide any
confidential information or data to any Person relating to or in contemplation
of an Acquisition Proposal or engage in any negotiations or discussions relating
to or in contemplation of an Acquisition Proposal; provided, however, that
nothing contained in this Agreement shall prevent the Company or its Board of
Directors from (a) complying with Rule 14e-2 promulgated under the Exchange Act
with regard to any Acquisition Proposal; and (b) if any only to the extent that
the Board of Directors of the Company concludes in good faith (after having
consulted with and considered the advice of outside legal counsel) that such
Acquisition Proposal would, if consummated, result in a transaction more
favorable to the Company shareholders from a financial point of view than the
transaction contemplated by this Agreement (any such more favorable Acquisition
Proposal being referred to in this Agreement as a "Superior Proposal"), until
the Required Company Vote has been obtained, the Company may furnish or cause to
be furnished confidential information or data and may participate in such
negotiations and discussions but only if (i) the Company is not then in breach
of its obligations under this Section, (ii) (and only to the extent that) the
Board of Directors of the Company concludes in good faith (after having
consulted with and considered the advice of outside legal counsel) that such
action is necessary in order for its directors to comply with their respective
fiduciary duties under applicable law and (iii) confidentiality arrangements on
terms no less beneficial to the Company as those entered into by Parent are
entered into with respect thereto. The Company will notify Parent immediately if
any inquiries, proposals or offers respecting an Acquisition Proposal are
received by, any such information or data is requested from, or any such
discussions or negotiations are sought to be initiated or continued with, it or
any such Persons indicating, in connection with such notice, the name of such
Person and the material terms and conditions of any proposals or offers, and
shall keep Parent apprised with respect to the status and terms thereof. The
Company also will promptly request each Person that has heretofore executed a
confidentiality agreement in connection with its consideration of an Acquisition
Proposal to return all confidential information heretofore furnished to such
Person by or on behalf of it or any of its Subsidiaries and will not waive any
"standstill" provision of any such, or any other, 


                                      -36-
<PAGE>

agreement. The Company shall provide Parent at least two business days advance
notice of its intention to present to its Board of Directors or accept any
Superior Proposal and shall provide Parent with a summary of the terms and
conditions thereof. Notwithstanding the foregoing, none of the actions set forth
on Schedule 5.4 shall constitute an Acquisition Proposal.

            5.5 Employee Benefits.

            (a) For a period of two years immediately following the Closing
      Date, Parent shall or shall cause the Surviving Corporation to maintain in
      effect employee benefit plans and arrangements which provide benefits
      which have a value substantially comparable, in the aggregate, to the
      benefits provided by the Company Benefit Plans (not taking into account
      the value of any benefits under any such plans which are equity based);
      provided, that Parent at its sole option may provide employee benefits to
      the Surviving Corporation which, in the aggregate, are substantially
      comparable to those applicable to similarly situated employees of Parent
      or its Subsidiaries. At the request of Parent, the Company shall, prior to
      the Effective Time, terminate the Company's 401(k) Plan effective
      immediately prior to the Effective Time. The Company shall terminate the
      Company's Employee Stock Purchase Plan (the "ESPP") for each fiscal
      quarter beginning on or after October 1, 1998 and shall cease all offering
      periods that begin on or after September 30, 1998.

            (b) For purposes of determining eligibility to participate, vesting
      and accrual or entitlement to benefits where length of service is relevant
      under any employee benefit plan or arrangement of Parent, the Surviving
      Corporation or any of their respective Subsidiaries, employees of the
      Company and its Subsidiaries as of the Effective Time shall receive
      service credit for service with the Company and any of its Subsidiaries to
      the same extent such service credit was granted under the Company Benefit
      Plans, subject to offsets for previously accrued benefits and no
      duplication of benefits (except that no such credit shall be applied for
      (i) benefit accrual or entitlement purposes under defined benefit pension
      plans or the schedule of benefits under Parent's severance pay and short
      term disability plans and policies, (ii) eligibility to receive
      post-retirement ancillary benefits (consisting at this time of medical,
      dental, death and telephone concession benefits) or (iii) calculating
      Parent service for purposes of "bridging" prior Parent service under
      Parent benefit plans).

            (c) Parent shall cause the Surviving Corporation to assume and honor
      in accordance with their terms (i) all written employment, severance and
      termination plans and agreements (including change in control provisions)
      of employees of the Company and its Subsidiaries provided to Parent on or
      prior to the date of this Agreement and (ii) the Tax Reimbursement
      Agreements identified in Schedule 5.5(c)(ii).

            5.6 Fees and Expenses. Whether or not the Merger is consummated,
all Expenses incurred in connection with this Agreement and the transactions
contemplated hereby shall be paid by the party incurring such Expenses, except
(a) if the Merger is consummated, the Surviving Corporation shall pay, or cause
to be paid, any and all property or transfer taxes 


                                      -37-
<PAGE>

imposed on the Company or its Subsidiaries (b) the Expenses incurred in
connection with printing, filing and mailing to shareholders of the Proxy
Statement and the solicitation of shareholder approvals shall be borne by the
Company, and (c) as provided in Section 7.2. As used in this Agreement,
"Expenses" includes all reasonable out-of-pocket expenses (including, without
limitation, all fees and expenses of counsel, accountants, investment bankers,
experts and consultants to a party hereto and its affiliates) incurred by a
party or on its behalf in connection with or related to the authorization,
preparation, negotiation, execution and performance of this Agreement and the
transactions contemplated hereby, including the preparation, printing, filing
and mailing of the Proxy Statement and the solicitation of shareholder approvals
and all other matters related to the transactions contemplated hereby.

            5.7 Indemnification; Directors' and Officers' Insurance. The
Surviving Corporation shall cause to be maintained in effect (i) for a period of
six years after the Effective Time, the current provisions regarding
indemnification of officers and directors contained in the Organizational
Documents of the Company and its Subsidiaries and (ii) for a period of six
years, the current policies of directors' and officers' liability insurance and
fiduciary liability insurance maintained by the Company (provided that the
Surviving Corporation may substitute therefor policies of at least the same
coverage and amounts containing terms and conditions which are, in the
aggregate, no less advantageous to the insured) with respect to claims arising
from facts or events that occurred on or before the Effective Time, provided
that the annual premium therefor is not in excess of 200% of the last annual
premium paid by the Company prior to the date hereof, or if such premium is in
excess of such amount, such policies of directors' and officers' liability
insurance and fiduciary liability insurance providing for as much coverage as
can be obtained for such amount.

            5.8 Public Announcements. The Company and Parent shall use
reasonable best efforts to develop a joint communications plan and each party
shall use reasonable best efforts to ensure that, all press releases and other
public statements with respect to the transactions contemplated hereby shall be
consistent with such joint communications plan. Unless otherwise required by
applicable law or by obligations pursuant to any listing agreement with or rules
of any securities exchange, the Company shall consult with, and use reasonable
best efforts to accommodate the comments of, Parent before issuing any press
release or otherwise making any public statement with respect to this Agreement
or the transactions contemplated hereby.

            5.9 Debentures. The Company shall use its reasonable best efforts
to satisfy all of the conditions to the "covenant defeasance" provisions of
Sections 6.1 and 6.1A of the Indenture as amended by that First Supplemental
Indenture, dated as of April 1, 1996 relating to its 9 3/8% Debentures due 2006
(the "Debentures") so that such covenant defeasance shall become effective prior
to the Effective Date.

            5.10 Affiliate Letters. Prior to the mailing of the Joint Proxy
Statement/Prospectus, the Company shall deliver to Parent a list of names and
addresses of those Persons, that to the knowledge of the Company, are or may be
deemed to be as of the time of the Company Shareholders' Meeting "affiliates" of
the Company within the meaning of Rule 145 


                                      -38-
<PAGE>

under the Securities Act and who own Company Common Stock. There shall be added
to such list the names and addresses of any other Person subsequently identified
by either Parent or the Company, as the case may be, (unless, in the case of
Parent, an opinion of outside counsel to the Company reasonably acceptable to
Parent is provided to Parent that such Person is not an affiliate), as a Person
who may be deemed to be such an affiliate; provided, however, that no such
Person identified by Parent or the Company, as the case may be, shall remain on
such list of affiliates if Parent or the Company, as the case may be, shall
receive from the other party, on or before the date of the Company Shareholders'
Meeting, an opinion of outside counsel reasonably satisfactory to Parent to the
effect that such Person is not such an affiliate. The Company shall use
reasonable best efforts to deliver or cause to be delivered to the other party,
prior to the date of the Company Shareholders' Meeting, from each such affiliate
identified in the foregoing lists (as the same may be supplemented as aforesaid)
a letter dated as of the Company Shareholders' Meeting in the form attached as
Annex C hereto (collectively, the "Affiliate Letter"). Parent shall not be
required to maintain the effectiveness of the S-4 Registration Statement or any
other registration statement under the Securities Act for the purposes of resale
of Parent Common Stock by such affiliates received in the Merger.

            5.11 Year 2000 Compliance. The Company will use reasonable best
efforts to continue to take the actions set forth on Schedule 3.1(o).

                                   ARTICLE VI.
                              CONDITIONS PRECEDENT

            6.1 Conditions to Each Party's Obligation to Effect the Merger.
The obligations of the Company, Parent and Merger Sub to effect the Merger are
subject to the satisfaction or waiver (by the party benefiting by such
condition) on the Closing Date of the following conditions:

            (a) Shareholder Approval.  The Company shall have obtained the
      Required Company Vote.

            (b) HSR Act. The waiting period (and any extension thereof)
      applicable to the Merger under the HSR Act shall have been terminated or
      shall have expired.

            (c) No Injunctions or Restraints, Illegality. No temporary
      restraining order, preliminary or permanent injunction or other order
      issued by a court or other Governmental Entity of competent jurisdiction
      shall be in effect and have the effect of making the Merger illegal or
      otherwise prohibiting consummation of the Merger.

            (d) Registration Statements/Proxy Statement. The Registration
      Statement shall have become effective under the Securities Act and shall
      not be the subject of any stop order or proceedings seeking a stop order.
      The Proxy Statement shall have been delivered to the shareholders of the
      Company in accordance with the requirements of the Securities Act and the
      Exchange Act.


                                      -39-
<PAGE>

            (e) Tax Opinions. The Company shall have received the opinion of
      Latham & Watkins and Parent shall have received the opinion of Wachtell,
      Lipton, Rosen & Katz, which opinions shall be dated as of the Closing
      Date, to the effect that the Merger will be treated for federal income tax
      purposes as a reorganization within the meaning of Section 368(a) of the
      Code and substantially in the forms attached to the Company's and Parent's
      respective Disclosure Schedules. In rendering such opinions, such firms
      may rely upon representations and covenants, including those contained in
      certificates of officers of the Company, Merger Sub and Parent, which
      representations and covenants are in form and substance reasonably
      acceptable to such counsel.

            (f) Listing. The shares of Parent Common Stock to be issued in the
      Merger shall have been approved for listing on the New York Stock
      Exchange, subject to official notice of issuance.

            6.2 Additional Conditions to Obligations of Parent and Merger Sub.
The obligations of Parent and Merger Sub to effect the Merger are subject to the
satisfaction of, or waiver by Parent, on the Closing Date, of the following
additional conditions:

            (a) Representations and Warranties. Each of the representations and
      warranties of the Company set forth in this Agreement that is qualified as
      to materiality or Material Adverse Effect shall have been true and correct
      when made and shall be true and correct on and as of the Closing Date as
      if made on and as of such date (other than representations and warranties
      which address matters only as of a certain date which shall be true and
      correct as of such certain date); and each of the representations and
      warranties of the Company that is not so qualified shall have been true
      and correct in all material respects when made and shall be true and
      correct in all material respects on and as of the Closing Date as if made
      on and as of such date (other than representations and warranties which
      address matters only as of a certain date which shall be true and correct
      in all material respects as of such certain date); and each of the
      representations and warranties of the Company set forth in this Agreement
      shall be true and correct when made and shall be true and correct on and
      as of the Closing Date (ignoring, for such purposes, any qualification as
      to materiality, Material Adverse Effect or similar language), except as
      could not, individually or in the aggregate with all other failures to be
      true and correct, reasonably be expected to have a Material Adverse Effect
      on the Company; and Parent and Merger Sub shall have received a
      certificate of the chief executive officer and the chief financial officer
      of the Company to such effect.

            (b) Performance of Obligations. The Company shall have performed or
      complied with all agreements and covenants required to be performed by it
      under this Agreement at or prior to the Closing Date that are qualified as
      to materiality or Material Adverse Effect and shall have performed or
      complied in all material respects with all agreements and covenants
      required to be performed by it under this Agreement at or prior to the
      Closing Date that are not so qualified as to materiality or Material
      Adverse Effect, and Parent and Merger Sub shall have received a
      certificate of the chief executive officer and the chief financial officer
      of the Company to such effect.


                                      -40-
<PAGE>

            (c) Contractual Consents. All (i) Required Consents and (ii) other
      consents of any Person the failure of which to receive or obtain
      (individually or on the aggregate) could reasonably be expected to have a
      Material Adverse Effect on the Company shall have been obtained or given,
      in each case at not more than immaterial cost and expense to the Company
      and Parent and with not more than immaterial alteration of the Company's
      or its Subsidiary's rights or obligations under any agreement, arrangement
      or instrument.

            (d) Dissenting Shares. The number of shares with respect to which
      dissenters' rights have been asserted shall not exceed 5% of the number of
      outstanding shares of Company Common Stock.

            (e) Required Regulatory Approvals. All authorizations, consents,
      orders and approvals of, and declarations and filings with, and all
      expirations of waiting periods imposed by, any Governmental Entity (other
      than the FCC or the appropriate Governmental Entity under the HSR Act)
      which, if not obtained in connection with the consummation of the
      transactions contemplated hereby, could reasonably be expected to have a
      Material Adverse Effect on the Parent or Company (collectively, "Company
      Required Regulatory Approvals"), shall have been obtained, have been
      declared or filed or have occurred, as the case may be, and all such
      Company Required Regulatory Approvals shall be in full force and effect
      and shall not have any term, condition or restriction unacceptable to
      Parent in its sole discretion (except as provided in Section 4.2).

            (f) FCC Consents. The FCC shall have granted its consent to the
      consummation of the transactions contemplated hereby ("FCC Consents"),
      such FCC Consents shall have become a Final Order and be in full force and
      effect and such FCC Consents shall not have any term, condition or
      restriction unacceptable to Parent in its sole discretion except as
      provided in Section 4.2.

            (g) Affiliate Letters. Parent shall have received an Affiliate
      Letter from each Person identified as an affiliate pursuant to Section
      5.10.

            (h) Absence of Certain Changes or Events. Since the date of this
      Agreement, there shall not have been any event, development or change of
      circumstance that constitutes, has had, or could reasonably be expected to
      have, individually or in the aggregate, a Material Adverse Effect on the
      Company.

            (j) Suits; Actions. No suit, action, investigation or other
      proceeding by any Governmental Entity shall have been instituted and be
      pending which imposes, seeks to impose or reasonably would be expected to
      impose any remedy, condition or restriction that would have a Material
      Adverse Effect on the Company or that would materially restrict Parent's
      ownership or operation of the Company (except as provided in Section 4.2).

            (k) Debentures. The Debentures shall have been defeased (and all
      conditions thereto satisfied) in accordance with the covenant defeasance
      provisions of Sections 6.1 and 6.1A of the Indenture, as 


                                      -41-
<PAGE>

      amended by that first Supplemental Indenture, dated as of April 1, 1996,
      or the Company shall have taken the actions requested in writing by Parent
      respecting the Debentures (if any) in lieu thereof.

            6.3 Additional Conditions to Obligations of the Company. The
obligations of the Company to effect the Merger are subject to the satisfaction
of, or waiver by the Company on or prior to the Closing Date of the following
additional conditions:

            (a) Representations and Warranties. Each of the representations and
      warranties of Parent and Merger Sub set forth in this Agreement that is
      qualified as to materiality or Material Adverse Effect shall have been
      true and correct when made and shall be true and correct on and as of the
      Closing Date as if made on and as of such date (other than representations
      and warranties which address matters only as of a certain date which shall
      be true and correct as of such certain date), and each of the
      representations and warranties of each of Parent and Merger Sub that is
      not so qualified shall have been true and correct in all material respects
      when made and shall be true and correct in all material respects on and as
      of the Closing Date as if made on and as of such date (other than
      representations and warranties which address matters only as of a certain
      date which shall be true and correct in all material respects as of such
      certain date), and the Company shall have received a certificate of and
      executive officer of Parent to such effect.

            (b) Performance of Obligations of Parent. Parent shall have
      performed or complied with all agreements and covenants required to be
      performed by it under this Agreement at or prior to the Closing Date that
      are qualified as to materiality or Material Adverse Effect and shall have
      performed or complied in all material respects with all agreements and
      covenants required to be performed by it under this Agreement at or prior
      to the Closing Date that are not so qualified as to materiality, and the
      Company shall have received a certificate of an executive officer of
      Parent to such effect.

            (c) Required Regulatory Approvals. All authorizations, consents,
      orders and approvals of, and declarations and filings with, and all
      expirations of waiting periods imposed by, any Governmental Entity (other
      than the FCC or the appropriate Governmental Entity under the HSR Act)
      which, if not obtained in connection with the consummation of the
      transactions contemplated hereby, could reasonably be expected to have a
      Material Adverse Effect on the Parent (collectively, "Parent Required
      Regulatory Approvals"), shall have been obtained, have been declared or
      filed or have occurred, as the case may be, and all such Parent Required
      Regulatory Approvals shall be in full force and effect.

                                  ARTICLE VII.
                            TERMINATION AND AMENDMENT

            7.1 Termination. This Agreement may be terminated at any time
prior to the Effective Time, by action taken or authorized by the Board of
Directors of the terminating party or parties, whether before or after approval
of the matters presented in connection with the Merger by the shareholders of
the Company:


                                      -42-
<PAGE>

            (a) By mutual written consent of Parent and the Company, by action
      of their respective Boards of Directors;

            (b) By either the Company or Parent if the Merger shall not have
      been consummated by the date which is 12 months from the date of this
      Agreement; provided, however, that such date shall be extended to the date
      which is 18 months from the date of this Agreement in the event all
      conditions to effect the Merger other than those set forth in Sections 6.1
      (b), 6.1 (c), 6.2 (c), 6.2 (d), 6.2 (e), 6.2 (f), 6.2(j) and 6.3 (c) (the
      "Extension Conditions") have been or are capable of being satisfied at the
      time of such extension and the Extension Conditions have been or are
      reasonably capable of being satisfied on or prior to the date which is 18
      months from the date of this Agreement, as it may be so extended, shall be
      referred to herein as the "Outside Date"); provided further that the right
      to terminate this Agreement under this Section 7.1(b) shall not be
      available to any party whose failure to fulfill any obligation under this
      Agreement has been the cause of, or resulting in, the failure of the
      Merger to occur on or before such date;

            (c) By either the Company or Parent if any Governmental Entity shall
      have issued an order, decree or ruling or taken any other action (which
      order, decree, ruling or other action the parties shall have used their
      reasonable best effort to resist, resolve or lift, as applicable, subject
      to the provisions of Section 5.3 and 4.2) permanently restraining,
      enjoining or otherwise prohibiting the transactions contemplated by this
      Agreement, and such order, decree, ruling or other action shall have
      become final and nonappealable;

            (d) By either Parent or the Company if the approval by the
      shareholders of the Company required for the consummation of the Merger or
      the other transactions contemplated hereby shall not have been obtained by
      reason of the failure to obtain the required vote at a duly held meeting
      of shareholders or at any adjournment thereof;

            (e) By Parent if (i) the Board of Directors of the Company shall
      have withdrawn, or adversely modified, or failed (upon Parent's request)
      to reconfirm its recommendation of the Merger or this Agreement (or
      determined to do so); (ii) the Board of Directors of the Company shall
      have determined to recommend to the shareholders of the Company that they
      approve an Acquisition Proposal other than that contemplated by this
      Agreement or shall have determined to accept a Superior Proposal; (iii) a
      tender offer or exchange officer that, if successful, would result in any
      person or "group" becoming a "beneficial owner" (such terms having the
      meaning in this Agreement as is ascribed under Regulation 13D under the
      Exchange Act) of 20% or more of the outstanding shares of Company Common
      Stock is commenced (other than by Parent or an affiliate of Parent) and
      the Board of Directors of the Company fails to recommend that the
      shareholders of the Company not tender their shares in such tender or
      exchange offer; (iv) any person (other than Parent or an Affiliate of
      Parent) or "group" becomes the "beneficial owner" of 20% or more of the
      outstanding shares of Company Common Stock; (v) for any reason the Company
      fails to call or hold the Company Shareholders Meeting by the Outside Date
      (provided that Parent's right to terminate this Agreement under such
      clause (vi) shall not be available if at such time the Company would be
      entitled to terminate this 


                                      -43-
<PAGE>

      Agreement under Section 7.1(h)) or (vii) the Company shall have furnished
      or caused to be furnished confidential information or data, or engaged in
      negotiations or discussions with, another Person pursuant to clause (b) of
      the proviso to the second sentence of Section 5.4;

            (f) By the Company, prior to the Required Company Vote having been
      obtained, if the Board of Directors of the Company determines to accept a
      Superior Proposal, but only after the Company (i) provides Parent with not
      less than 48 hours notice of its determination to accept such Superior
      Proposal including all material terms thereof and (ii) fulfills its
      obligations under Section 7.2 hereof upon such termination (provided that
      the Company's right to terminate this Agreement under this paragraph (f)
      shall not be available if the Company is then in breach of Section 5.4);

            (g) By Parent, if since the date of this Agreement, there shall have
      been any event, development or change of circumstance that constitutes,
      has had or could reasonably be expected to have, individually or in the
      aggregate, a Material Adverse Effect on the Company and such Material
      Adverse Effect is not cured within 30 days after written notice thereof or
      if (i)(A) the Company has breached any covenant or agreement on the part
      of the Company or any of its Subsidiaries set forth in this Agreement, the
      Voting Agreements or the Option Agreement, (B) any representation or
      warranty of the Company or any of its Subsidiaries set forth in this
      Agreement, the Voting Agreements or the Option Agreement that is qualified
      as to materiality or Material Adverse Effect shall have become untrue or
      (C) any representation or warranty of the Company or any of its
      Subsidiaries set forth in this Agreement, the Voting Agreements or the
      Option Agreement that is not so qualified shall have become untrue in any
      material respect, (ii) such breach or misrepresentation is not cured
      within 30 days after written notice thereof and (iii) such breach of
      misrepresentation would cause the conditions set forth in Section 6.2(a)
      or Section 6.2(b) not to be satisfied (a "Terminating Company Breach");

            (h) By the Company, if (i)(A) Parent has breached any covenant or
      agreement on the part of Parent or Merger Sub set forth in this Agreement,
      the Voting Agreements or the Option Agreement, (B) any representation or
      warranty of Parent or Merger Sub that is qualified as to materiality or
      Material Adverse Effect shall have become untrue or (C) any representation
      or warranty of Parent or Merger Sub that is not so qualified shall have
      become untrue in any material respect, (ii) such breach or
      misrepresentation is not cured within 30 days after written notice thereof
      and (iii) such breach or misrepresentation would cause the conditions set
      forth in Section 6.3(a) or Section 6.3(b) not to be satisfied (a
      "Terminating Parent Breach"). If at any time after the Company
      Shareholders Meeting has been called, a Terminating Parent Breach exists,
      and the Company has given Parent notice thereof, the Company shall have
      the right to adjourn or delay the Company Shareholders Meeting until up to
      10 days after the Terminating Parent Breach has been cured or the 30 day
      cure period has expired.


                                      -44-
<PAGE>

            7.2 Effect of Termination.

            (a) In the event of termination of this Agreement by either the
      Company or Parent as provided in Section 7.1 this Agreement shall
      forthwith become void (other than covenants in Section 4.2 respecting the
      Voting Agreements and the Option Agreement) and there shall be no
      liability or obligation on the part of Parent or the Company or their
      respective officers or directors except (i) with respect to Section 5.6,
      this Section 7.2 and Article VIII and (ii) with respect to any liabilities
      or damages incurred or suffered by a party as a result of the willful and
      material breach by the other party of any of its representations,
      warranties, covenants or other agreements set forth in this Agreement.

            (b) Parent and the Company agree that if this Agreement is
      terminated pursuant to Section 7.1(d), (e), (f) or (g), then the Company
      shall pay Parent an amount equal to the sum of Parent's Expenses up to an
      amount equal to $2 million.

            (c) Parent and the Company agree that if this Agreement is
      terminated pursuant to Section 7.1 (h), then Parent shall pay to the
      Company an amount equal to the sum of all of the Company's Expenses up to
      an amount equal to $2 million.

            (d) Payment of expenses pursuant to Section 7.2(b) or 7.2(c) shall
      be made not later than two Business Days after delivery to the other party
      of notice of demand for payment and a documented itemization setting forth
      in reasonable detail all Expenses of the party entitled to receive payment
      (which itemization may be supplemented and updated from time to time by
      such party until the 60th day after such party delivers such notice of
      demand for payment). All payments under this Section 7.2 shall be made by
      wire transfer of immediately available funds to an account designated by
      the party entitled to receive payment.

            (e) In addition to any payment required by the foregoing provisions
      of this Section: (1) in the event that this Agreement is terminated
      pursuant to Section 7.1(e) (other than clause (vii) thereof) or 7.1(f),
      then the Company shall pay to Parent immediately prior to such
      termination, in the case of a termination by the Company, or within two
      business days thereafter, in the case of a termination by Parent, a
      termination fee of $52.5 million; (2), in the event that this Agreement is
      terminated pursuant to Section 7.1(g) or clause (vii) of Section 7.1(e),
      then the Company shall pay Parent, no later than two days after the
      earlier to occur of (i) the date of entrance by the Company or any of its
      Subsidiaries into an agreement concerning a transaction that constitutes
      an Acquisition Proposal or (ii) the date any Person or Persons (other than
      Parent) purchases 20% or more of the assets or voting securities (in one
      or a series of transactions) of the Company and its Subsidiaries (provided
      that the entering of any definitive agreement referred to in clauses (i)
      and (ii) of this sentence is entered into by the Company or any of its
      Subsidiaries, or if there is no such agreement with respect to a purchase
      contemplated by clause (ii), any tender, exchange or other offer or
      arrangement for the Company's voting securities is first publicly
      disclosed, within 12 months of such termination of this Agreement;
      (provided further, however, that a financing transaction constituting a
      sale 


                                      -45-
<PAGE>

      and leaseback of communications towers and related equipment shall not
      constitute a transaction under clause (i) or (ii) above.)), a termination
      fee of $52.5 million; and (3) in the event the Agreement is terminated
      pursuant to Section 7.1(d), and none of the events described in clauses
      (i) and (ii) of subsection (2) of this Section 7.2(e) has occurred, then
      the Company shall pay to Parent, upon such termination, a termination fee
      of $30 million, provided however that if, within 12 months of such
      termination of this Agreement, an event described in clauses (i) and (ii)
      of subsection (2) of this Section 7.2(e) occurs (other than a financing
      transaction constituting a sale and leaseback of communications towers and
      related equipment), then, no later than two days after the occurrence of
      any such event, the Company shall pay Parent an additional termination fee
      of $22.5 million.

            (f) If this Agreement is terminated pursuant to Section 7.1(h) and
      the Company has defeased the Debentures, then Parent will pay the Company
      an amount equal to $4.5 million, plus all Company Expenses owed pursuant
      to Section 7.2(c).

            (g) If this Agreement is terminated pursuant to Section 7.1(b) and
      the Company has defeased the Debentures, then Parent will pay the Company
      an amount equal to $2.25 million, plus all Company expenses owed pursuant
      to Section 7.2(c).

            7.3 Amendment. This Agreement may be amended by the parties
hereto, by action taken or authorized by their respective Boards of Directors,
at any time before or after approval of the matters presented in connection with
the Merger by the shareholders of the Company, but after any such approval, no
amendment shall be made which by law or in accordance with the rules of Nasdaq
required further approval by such shareholders without such further approval.
This Agreement may not be amended except by an instrument in writing signed on
behalf of each of the parties hereto.

            7.4 Extension; Waiver. At any time prior to the Effective Time,
the parties hereto) by action taken or authorized by their respective Boards of
Directors, may, to the extent legally allowed) (i) extend the time for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any inaccuracies in the representation and warranties contained
herein or in any document delivered pursuant hereto and (iii) waive compliance
with any of the agreements or conditions contained herein. Any agreement on the
part of a party hereto to any such extension or waiver shall be valid only if
set forth in a written instrument signed on behalf of such party. The failure of
any party to this Agreement to assert any of its rights under this Agreement or
otherwise shall not constitute a waiver of those rights.

                                  ARTICLE VIII.
                               GENERAL PROVISIONS

            8.1 No Survival of Representations, Warranties and Agreements.
None of the representations, warranties, covenants and other agreements in this
Agreement or in any instrument delivered pursuant to this Agreement, including
any rights arising out of any breach of such representations, warranties,
covenants and other agreements, shall survive the Effective Time, except for
those covenants and agreements contained herein and therein that by their terms
apply or are to be performed in whole or in part after the Effective Time and
this Article VIII 


                                      -46-
<PAGE>

      Nothing in this Section 8.1 shall relieve any party for any breach of any
      representation, warranty, covenant or other agreement in this Agreement
      occurring prior to termination.

            8.2 Notices. All notices and other communications hereunder shall
be in writing and shall be deemed duly given (a) on the date of delivery if
delivered personally, (b) on the first Business Day following the date of
dispatch if delivered by a recognized next-day courier service, or (c) on the
tenth Business Day following the date of mailing if delivered by registered or
certified mail, return receipt requested, postage prepaid. All notices hereunder
shall be delivered as set forth below, or pursuant to such other instructions as
may he designated in writing by the party to receive such notice:

            (a) if to Parent or Merger Sub, to AT&T Corp., 295 North Maple
      Avenue, Basking Ridge, New Jersey, 07920, Attention:  Marilyn Wasser,
      Facsimile No. (908) 221-6618 with copies to Wachtell, Lipton, Rosen &
      Katz, 51 West 52nd Street, New York, New York, 10019, Attention: David
      M. Silk, Facsimile No. (212) 403-2000;

            (b) if to the Company, to Vanguard Cellular Systems, Inc., 2002
      Pisgah Church Road, Suite 300, Greensboro, North Carolina, 27455,
      Attention: Richard C. Rowlenson, Facsimile No. (336) 545-2219 with a copy
      to Latham & Watkins, 885 Third Avenue, New York, New York, 10022,
      Attention: Raymond Y. Lin, Facsimile No.: (212) 751-4864.

            8.3 Interpretation. When a reference is made in this Agreement to
Sections, Exhibits or Schedules, such reference shall be to a Section of or
Exhibit or Schedule to this Agreement unless otherwise indicated. The table of
Contents, glossary of defined terms and headings contained in this Agreement are
for reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement. Whenever the words "include", "includes" or
"including" are used in this Agreement, they shall be deemed to be followed by
the words "without limitation".

            8.4 Counterparts. This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to the other party, it being understood that both
parties need not sign the same counterpart.

            8.5 Entire Agreement; No Third Party Beneficiaries.

            (a) This Agreement constitutes the entire agreement and supersedes
      all prior agreements and understandings, both written and oral, among the
      parties with respect to the subject matter hereof, other than the
      confidentiality agreement and Option Agreement entered into by Parent and
      the Company in connection with the transactions contemplated hereby, which
      shall survive the execution and delivery of this Agreement.

            (b) This Agreement shall be binding upon and inure solely to the
      benefit of each party hereto, and nothing in this Agreement, express or
      implied, is intended to or shall confer upon any other Person any right,
      benefit or remedy of any nature whatsoever 


                                      -47-
<PAGE>

      under or by reason of this Agreement, other than Section 5.7 (which is
      intended to be for the benefit of the Persons covered thereby and may be
      enforced by such Persons).

            8.6 Governing Law. Except as to matters of internal corporation
law, which shall be governed by the laws of the State of North Carolina, in the
case of the Company, New York in the case of Parent and Delaware in the case of
Merger Sub, this Agreement shall be governed and construed in accordance with
the laws of the State of New York without giving effect to the principles of
choice-of-law thereof.

            8.7 Severability. If any term or other provision of this Agreement
is invalid, illegal or incapable of being enforced by any law or public policy,
all other terms and provisions of this Agreement shall nevertheless remain in
full force and effect so long as the economic or legal substance of the
transactions contemplated hereby is not affected in any manner materially
adverse to any party. Upon such determination that any term or other provision
is invalid, illegal or incapable of being enforced, the parties hereto shall
negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible in an acceptable manner in order
that the transactions contemplated hereby are consummated as originally
contemplated to the greatest extent possible.

            8.8 Assignment. Neither this Agreement nor any of the rights,
interests or obligations hereunder shall be assigned by any of the parties
hereto, in whole or in part (whether by operation of law or otherwise), without
the prior written consent of the other parties, and any attempt to make any such
assignment without such consent shall be null and void, except that Merger Sub
may assign, in its sole discretion, any or all of its rights, interests and
obligations under this Agreement to any direct or indirect wholly owned
Subsidiary of Parent without the consent of the Company, but no such assignment
shall relieve Merger Sub of any of its obligations under this Agreement. Subject
to the preceding sentence, this Agreement will be binding upon, inure to the
benefit of and be enforceable by the parties and their respective successors and
assigns.

            8.9 Enforcement. The parties agree that irreparable damage would
occur in the event that any of the provisions of this Agreement were not
performed in accordance with their specific terms. It is accordingly agreed that
the parties shall be entitled to specific performance of the terms hereof, this
being in addition to any other remedy to which they are entitled at law or in
equity.

            8.10 Definitions.  As used in this Agreement:

            (a) "Board of Directors" means the Board of Directors of any
      specified Person and any properly serving and acting committees thereof.

            (b) "Business Day" means any day on which banks are not required or
      authorized to close in the City of New York.

            (c) "Material Adverse Effect" means, with respect to any entity, any
      adverse change, circumstance or effect that, individually or in the
      aggregate with all other adverse 


                                      -48-
<PAGE>

      changes, circumstances and effects, is or is reasonably likely to be
      materially adverse to the business, operations, assets, liabilities
      (including, without limitation, contingent liabilities), financial
      condition or results of operations of such entity and its Subsidiaries
      taken as a whole or could reasonably be expected to prevent or materially
      delay (beyond the Outside Date) consummation of the transactions
      contemplated by this Agreement, other than any such changes, circumstances
      and effects to the extent arising out of changes, circumstances or effects
      occurring after, which did not occur before, the Approval Satisfaction
      Date from (i) general economic conditions, or (ii) changes in the wireless
      communications business generally that do not, in either case,
      significantly disproportionately affect the Company.

            (d) "Approval Satisfaction Date" means the date not before six
      months from the date hereof, on which all conditions to the Closing under
      Section 6.1 and 6.2 have been satisfied or waived (other than 6.1(d),
      6.1(e), 6.1(f) and 6.1(a), provided that the failure to satisfy 6.1(a) is
      due to Parent's failure to cause 6.1(d) to occur and not as a result of
      the Company's actions or failure to take action).

            (e) "Final Order" means an order of the FCC approving the transfer
      of control with respect to all FCC licenses, permits and other
      authorizations held by the Company, and shall be deemed to be a Final
      Order when the time for the filing of any protest, request for stay,
      petition or request for reconsideration, petition for rehearing or appeal
      of such FCC order to the FCC or any Governmental Authority having
      jurisdiction over such order, and the time for review or reconsideration
      by the FCC on its own motion, has expired and no protest, request for
      stay, petition or request for reconsideration, petition for rehearing or
      appeal or review of such order is pending.

            (f) "Knowledge" or "to the knowledge" of the Company means the
      actual knowledge of the any of the persons specified in Schedule 8.10(f)
      after reasonable inquiry.

            (g) "the other party" means, with respect to the Company, Parent and
      means, with respect to Parent, the Company.

            (h) "Organizational Documents" means, with respect to any entity,
      the articles of incorporation, by-laws, partnership or limited liability
      company agreement and other governing documents of such entity, as
      applicable.

            (i) "Person" means an individual, corporation, partnership,
      association, trust, unincorporated organization, entity or group (as
      defined in the Exchange Act).

            (j) "Required Consents" means the consents to the agreements set
      forth in Schedule 8.10(j).

            (k) "Subsidiary" when used with respect to any party means any
      corporation, partnership or other organization, whether incorporated or
      unincorporated, (i) of which such party or any other Subsidiary of such
      party is a general partner (excluding 


                                      -49-
<PAGE>

      partnerships, the general partnership interests of which held by such
      party or any Subsidiary of such party do not have a majority of the voting
      and economic interests in such partnership) or (ii) at least a majority of
      the securities or other interests of which having by their terms ordinary
      voting power to elect a majority of the Board of Directors or others
      performing similar functions with respect to such corporation, partnership
      or other organization is directly or indirectly owned or control led by
      such party or by any one or more of its Subsidiaries, or by such party and
      one or more of its Subsidiaries. Not withstanding the above, nothing
      contained in this Agreement shall be construed such that International
      Wireless Corporation Holdings, Inc. or any of its subsidiaries may be
      deemed to be a Subsidiary of the Company.

            (l) (i) "Tax" (including, with correlative meaning, the terms
      "Taxes" and "Taxable") means all federal, state, local and foreign income,
      profits, franchise, gross receipts, environmental, customs duty, capital
      stock, severance, stamp, payroll, sales, employment, unemployment
      disability, use, property, withholding, excise, production, value added,
      occupancy and other taxes, duties or assessments of any nature whatsoever,
      together with all interest, penalties, fines and additions to tax imposed
      with respect to such amounts and any interest in respect of such penalties
      and additions to tax, and (ii) "Tax Return" means all returns and reports
      (including elections, claims, declarations, disclosures, schedules,
      estimates, computations and information returns) required to be supplied
      to a Tax authority in any jurisdiction relating to Taxes.

            (m) "Company Disclosure Schedule" means a disclosure schedule
      delivered by the Company to Parent at the execution of this Agreement,
      which is incorporated by reference into, and constitutes a part of, this
      Agreement. Reference to particular "Schedules" are references to schedules
      contained in the Company Disclosure Schedule.


                                      -50-
<PAGE>

            IN WITNESS WHEREOF, Parent, the Company and Merger Sub have
caused this Agreement to be signed by their respective officers thereunto duly
authorized, all as of October 2, 1998.

                                        AT&T CORP.



                                        By:  /s/ Michael Berg
                                        Name:    Michael Berg
                                        Title:   Assistant Secretary



                                        WINSTON, INC.



                                        By:  /s/ Michael Berg
                                        Name:    Michael Berg
                                        Title:   Vice President



                                        VANGUARD CELLULAR SYSTEMS, INC.



                                        By: 
                                        Name:
                                        Title:


<PAGE>

Confirmed and accepted as of the date first written above:


                                        By:  /s/ Stephen R. Leeolou
                                        Name:    Stephen R. Leeolou
                                        Title:   President and Chief Executive
                                                 Officer


<PAGE>

                                                            ANNEX C
                                                            -------



                            FORM OF AFFILIATE LETTER














                                          [DATE]



Ladies and Gentlemen:

      The Undersigned has been advised that as of the date of this letter, the
undersigned (the "Undersigned") may be deemed to be an "affiliate" of the
Company, as the term "affiliate" is defined for purposes of paragraphs (c) and
(d) of Rule 145 of the rules and regulations (the "Rules and Regulations") of
the Securities and Exchange Commission (the "Commission") under the Securities
Act of 1933, as amended (the "Act"). Pursuant to the terms of the Agreement and
Plan of Merger dated as of October ___, 1998 (the "Agreement") among Parent,
Merger Sub and the Company, the Merger will occur pursuant to which the Company
will merge with and into Merger Sub, with Merger Sub continuing as the surviving
corporation, and as a result thereof the successor to the Company will become a
wholly owned subsidiary of Parent and shares of Company Common Stock will be
converted into the right to receive, subject to the terms and conditions set
forth in the Agreement, shares of Parent Common Stock and/or cash.

      Any capitalized term used but not defined herein shall have the meaning
set forth in the Agreement.

      The Undersigned represents, warrants and covenants to you that as of the
date the Undersigned receives any shares of Parent Common Stock as a result of
the Merger:

<PAGE>

             A.   The Undersigned shall not make any sale, transfer or other
                  disposition of such shares of Parent Common Stock in violation
                  of the Act or the Rules and Regulations.

             B.   The Undersigned has carefully read this letter and the
                  Agreement and discussed the requirements of such documents and
                  other applicable limitations upon the Undersigned's ability to
                  transfer or otherwise dispose of such shares of Parent Common
                  Stock to the extent the Undersigned has felt necessary with
                  its counsel or counsel for the Company.

             C.    The Undersigned has been advised that the issuance of such
                  shares of Parent Common Stock to the Undersigned pursuant
                  to the Merger has been registered with the Commission under
                  the Act on a Registration Statement on Form S-4.  However,
                  the Undersigned has also been advised that, since at the
                  time the Merger was submitted for a vote of the
                  shareholders of the Company, the Undersigned may be deemed
                  to have been an affiliate of the Company and the
                  distribution by the Undersigned of shares of Parent Common
                  Stock has not been registered under the Act, the
                  Undersigned may not sell, transfer or otherwise dispose of
                  such shares of Parent Common Stock issued to it in the
                  Merger unless (i) such sale, transfer or other disposition
                  has been registered under the Act, (ii) such sale, transfer
                  or under other disposition is made in conformity with Rule
                  145 promulgated by the Commission under the Act, or (iii)
                  in the opinion of counsel reasonably acceptable to Parent,
                  or as provided in a "no action" letter obtained by the
                  Undersigned from the staff of the Commission, such sale,
                  transfer or other disposition is otherwise exempt from
                  registration under the Act.

             D.   The Undersigned understands that Parent is under no obligation
                  to register the resale, transfer or other disposition of such
                  shares of Parent Common Stock by the Undersigned or on its
                  behalf under the Act or to take any other action necessary in
                  order to make compliance with an exemption from such
                  registration available.

             E.   The Undersigned also understands that unless the transfer
                  by the Undersigned of its shares of Parent Common Stock has
                  been registered under the Act or is a sale made in
                  conformity with the provisions of Rule 145 or another
                  applicable exemption from the registration requirements
                  under the Act, Parent reserves the right to put the
                  following legend on the certificates issued to the
                  Undersigned's transferee:

                  "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933 AND WERE ACQUIRED
                  FROM A PERSON WHO RECEIVED SUCH SHARES IN A TRANSACTION TO
                  WHICH RULE 145 PROMULGATED UNDER THE SECURITIES ACT OF 


                                      -2-
<PAGE>

                  1933 APPLIES. THE SHARES MAY NOT BE SOLD, PLEDGED OR OTHERWISE
                  TRANSFERRED EXCEPT IN COMPLIANCE OR IN ACCORDANCE WITH AN
                  EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES
                  ACT OF 1933."

      It is understood and agreed that the legend set forth in paragraph E above
shall be removed by delivery of substitute certificates without such legend if
such legend is not required for purposes of the Act or this Agreement. It is
understood and agreed that such legend shall be removed if Parent receives from
the Undersigned either an opinion of counsel (which opinion of counsel must be
reasonably satisfactory to Parent) or a "no action" letter obtained by the
Undersigned from the staff of the Commission, in either case to the effect that
the restrictions imposed by Rule 145 under the Act no longer apply.

      Execution of this letter should not be considered an admission on the
Undersigned's part that the Undersigned is an "affiliate" of the Company as
described in the first paragraph of this letter or as a waiver of any rights the
Undersigned may have to object to any claim that it is such an affiliate on or
after the date of this letter.

                                    Very truly yours,






                                      -3-


                                                       EXECUTION COPY
                                                       --------------

                                                       ANNEX A
                                                       -------

                                OPTION AGREEMENT
                                ----------------


            OPTION AGREEMENT, dated as of October 2, 1998 (the "Agreement"), by
and between Vanguard Cellular Systems, Inc., a North Carolina corporation
("Issuer"), and AT&T Corp., a New York corporation ("Grantee").

            WHEREAS, Issuer and Grantee have entered into an Agreement and Plan
of Merger, dated as of the date hereof (the "Merger Agreement"), providing for,
among other things, the merger of Issuer with and into a subsidiary of Grantee
with such subsidiary as the surviving corporation in the Merger; and

            WHEREAS, as a condition and inducement to Grantee's willingness to
enter into the Merger Agreement, Grantee has requested that Issuer agree, and
Issuer has agreed, to grant Grantee the Option, on the terms set forth herein;
and

            WHEREAS, terms not defined herein shall have the meanings set
forth in the Merger Agreement;

            NOW, THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements set forth herein Issuer
and Grantee agree as follows:

             1. Grant of Option. Subject to the terms and conditions set forth
herein, Issuer hereby grants to Grantee an irrevocable option (the "Option") to
purchase up to 7,319,000 (as adjusted as set forth herein) shares of Class A
Common Stock, par value $0.01 per share ("Issuer Common Stock"), of Issuer at a
purchase price of $23 (as adjusted as set forth herein) per Option Share (the
"Purchase Price").

             2. Exercise of Option. (a) Grantee may exercise the Option, in
whole or in part, at any time and from time to time, after the occurrence of any
event as a result of which the Grantee shall be entitled to receive a
termination fee pursuant to Section 7.2(e) of the Merger Agreement in the amount
of $52.5 million pursuant to part (1) or part (2) of such Section or in the
amount of $22.5 million pursuant to part (3) of such Section (a "Purchase
Event"); provided, however, that except as provided in the last sentence of this
Section 2(a), the Option shall terminate and be of no further force and effect
upon the earliest to occur of (A) the Effective Time, (B) 12 months and one day
after the occurrence of a termination of the Merger Agreement in accordance with
Section 7.1 (d), (e), (f) or (g) and (C) a termination of the Merger Agreement
in accordance with Section 7.1(a), (b), (c) or (h) of the Merger Agreement.
Notwithstanding the termination of the Option, Grantee shall be entitled to
exercise the Option or have the Option repurchased if it has duly given notice
of its intent to exercise the Option or have the Option repurchased in
accordance with the terms hereof prior to the termination of the Option and the
termination of the Option shall not affect any rights hereunder which by their
terms do not terminate or expire prior to or as of such termination.


<PAGE>

            (b) In the event that Grantee wishes to exercise the Option, it
shall send to Issuer a written notice (the date of which being herein referred
to as the "Notice Date") to that effect which notice also specifies the total
number of shares the Grantee will purchase pursuant to such exercise and a date
not earlier than three business days nor later than 15 business days from the
Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or regulation (including, without
limitation, the rules and regulations of the FCC), the period of time that
otherwise would run pursuant to this sentence shall run instead from the date on
which such restriction on consummation has expired or been terminated and (ii)
without limiting the foregoing, if prior notification to or approval of any
Governmental Entity is required in connection with such purchase or any other
transaction contemplated hereby, Grantee and Issuer shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

             3. Payment and Delivery of Certificates. (a) At the Option Closing,
Grantee shall pay to Issuer in immediately available funds by wire transfer to a
bank account designated in writing by Issuer an amount equal to the product of
(x) the Purchase Price and (y) the number of shares being purchased pursuant to
the exercise of the Option.

             (b) At the Option Closing, simultaneously with the delivery of
immediately available funds as provided in Section 3(a), Issuer shall deliver to
Grantee a certificate or certificates representing the shares to be purchased at
the Option Closing, which shares shall be free and clear of all liens, claims,
charges and encumbrances of any kind whatsoever and a new Option evidencing the
rights of the Grantee to purchase the balance of the shares purchasable
hereunder.

             (c) Certificates for the shares delivered at the Option Closing
shall have typed or printed thereon a restrictive legend which shall read
substantially as follows (if and to the extent true and necessary in light of
legal and factual circumstances existing at such time):

            "THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
            REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY BE
            REOFFERED OR SOLD ONLY IF SO REGISTERED OR IF AN EXEMPTION 


                                      -2-
<PAGE>

            FROM SUCH REGISTRATION IS AVAILABLE. SUCH SECURITIES ARE ALSO
            SUBJECT TO CERTAIN PROVISIONS AS SET FORTH IN THE STOCK OPTION
            AGREEMENT, DATED AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE
            OBTAINED FROM THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT
            ITS PRINCIPAL EXECUTIVE OFFICES."

It is understood and agreed that: (i) the reference to the resale restrictions
of the Securities Act of 1933, as amended (the "1933 Act"), in the above legend
shall be removed by delivery of substitute certificate(s) without such reference
if Grantee shall have delivered to Issuer a copy of a letter from the staff of
the SEC, or an opinion of counsel, in form and substance reasonably satisfactory
to Issuer, to the effect that such legend is not required for purposes of the
1933 Act; (ii) the reference to the provisions to this Agreement in the above
legend shall be removed by delivery of substitute certificate(s) without such
reference if the shares have been sold or transferred in compliance with the
provisions of this Agreement and under circumstances that do not require the
retention of such reference; and (iii) the legend shall be removed in its
entirety if the conditions in the preceding clauses (i) and (ii) are both
satisfied. In addition, such certificates shall bear any other legend as may be
required by law.

             4. Option Repurchase. (a) Upon the occurrence of a Purchase Event
prior to the termination of the Option, in lieu of exercising the option,
Grantee may require Issuer to repurchase the Option. If Grantee so elects,
Issuer (or any successor thereto) shall repurchase the Option from Grantee at a
price (the "Option Repurchase Price") equal to the amount by which (A) the
Market/Offer Price (as defined below) exceeds (B) the Option Price, multiplied
by the number of shares for which this Option may then be exercised. The term
"Market/Offer Price" shall mean the highest of (i) the price per share of Issuer
Common Stock at which a tender offer or exchange offer therefor has been made,
(ii) the highest price per share of Issuer Common Stock to be paid by any third
party pursuant to an agreement with Issuer, (iii) the highest closing price for
shares of Issuer Common Stock within the six-month period immediately preceding
the date Grantee gives notice of the required repurchase of this Option, or (iv)
in the event of a sale of all or a substantial portion of Issuer's assets, the
sum of the price paid in such sale for such assets and the current market value
of the remaining assets of Issuer as determined by a nationally recognized
investment banking firm selected by Grantee, as the case may be, and reasonably
acceptable to the Issuer, divided by the number of shares of Issuer Common Stock
of Issuer outstanding at the time of such sale. In determining the Market/Offer
Price, the value of consideration other than cash shall be determined by a
nationally recognized investment banking firm selected by Grantee, as the case
may be, and reasonably acceptable to the Issuer.

            (b) The Grantee may exercise its right to require Issuer to
repurchase the Option pursuant to this Section by surrendering for such purpose
to Issuer, at its principal office, a copy of this Agreement, accompanied by a
written notice or notices stating that Grantee elects to require Issuer to
repurchase this Option in accordance with the provisions of this Section. Within
five business days after the surrender of the Option and the receipt of such
notice or notices relating thereto, Issuer shall deliver or cause to be
delivered to Grantee the Option Repurchase 


                                      -3-
<PAGE>

Price therefor or the portion thereof, if any, that Issuer is not then
prohibited under applicable law and regulation from so delivering.

            To the extent that Issuer is prohibited under applicable law or
regulation from repurchasing, or requires any approval of its stockholders to
repurchase, the Option in full, Issuer shall immediately so notify Grantee and
thereafter deliver or cause to be delivered, from time to time, to Grantee the
portion of the Option Repurchase Price that it is no longer prohibited from
delivering, within five business days after the date on which Issuer is no
longer so prohibited; provided, however, that if Issuer at any time after
delivery of a notice of repurchase pursuant to this Section is prohibited under
applicable law or regulation from delivering, or requires any approval of its
stockholders to deliver, to Grantee, the Option Repurchase Price in full (and
Issuer hereby undertakes to use its best efforts to obtain such approval of its
stockholders and all required regulatory and legal approvals and to file any
required notices, in each case as promptly as practicable in order to accomplish
such repurchase), Grantee may revoke its notice of repurchase of the Option
either in whole or to the extent of the prohibition, whereupon, in the latter
case, Issuer shall promptly (i) deliver to Grantee, that portion of the Option
Repurchase Price that Issuer is not prohibited from delivering; and (ii) deliver
to Grantee, a new Stock Option Agreement evidencing the right of Grantee to
purchase that number of shares of Issuer Common Stock obtained by multiplying
the number of shares of Issuer Common Stock for which the surrendered Stock
Option Agreement was exercisable at the time of delivery of the notice of
repurchase by a fraction, the numerator of which is the Option Repurchase Price
less the portion thereof theretofore delivered to the Holder and the denominator
of which is the Option Repurchase Price. In such event, notwithstanding anything
to the contrary contained herein, the Option shall not terminate until at least
five business day have passed from receipt by Grantee of the notice and portion
of the Option Repurchase Price contemplated by the first sentence of this
paragraph.

            Notwithstanding anything to the contrary contained herein, in no
event shall the sum of the Option Repurchase Price and the termination fee
pursuant to Section 7.2(e) of the Merger Agreement received by the Grantee from
the Issuer exceed $53 million and, if such sum otherwise would exceed such
amount, the Option Repurchase Price shall be reduced such that the sum of the
Option Repurchase Price and the Termination Fee equals $53 million.

             5. Representations and Warranties of Issuer. Issuer hereby
represents and warrants to Grantee as follows:

                   (a) Due Authorization. Issuer has all requisite corporate
      power and authority to enter into this Agreement and to consummate the
      transactions contemplated hereby. The execution and delivery of this
      Agreement by Issuer and the consummation by Issuer of the transactions
      contemplated hereby have been duly authorized by all necessary corporate
      action on the part of Issuer. This Agreement has been duly executed and
      delivered by Issuer and constitutes a legal, valid and binding obligation
      of Issuer, enforceable against Issuer in accordance with its terms.

                   (b) Authorized Stock. Issuer's representations and warranties
      in the Merger Agreement are incorporated herein by reference. Without
      limiting the generality 


                                      -4-
<PAGE>

      or effect of the foregoing, Issuer has taken all necessary corporate and
      other action to authorize and reserve and, to permit it to issue, and, at
      all times from the date hereof until the obligation to deliver shares upon
      the exercise of the Option terminates, shall have reserved for issuance,
      upon exercise of the Option, shares of Issuer Common Stock necessary for
      Grantee to exercise the Option, and Issuer shall take all necessary
      corporate action to authorize and reserve for issuance all additional
      shares of Issuer Common Stock or other securities which may be issued
      pursuant to Section 7 upon exercise of the Option. The shares of Issuer
      Common Stock to be issued upon due exercise of the Option, including all
      additional shares of Issuer Common Stock or other securities which may be
      issuable upon exercise of the Option or any substitute option pursuant to
      Section 7, upon issuance pursuant hereto, shall be duly and validly
      issued, fully paid and nonassessable, and shall be delivered free and
      clear of all liens, claims, charges and encumbrances of any kind or nature
      whatsoever, including without limitation any preemptive rights of any
      stockholder of Issuer, and the holder thereof shall be entitled to all
      rights and privileges (without limitation) relating to shares of Issuer
      Common Stock generally, including with respect to voting and disposition

                   (c) No Conflicts. The execution and delivery of this
      Agreement does not, and the consummation of the transactions contemplated
      by this Agreement and compliance with the provisions of this Agreement
      shall not, conflict with, or result in any violation of, or default (with
      or without notice or lapse of time or both) under, or give rise to a right
      of termination, cancellation, or acceleration of any obligation or loss of
      a material benefit under, or result in the creation of any Lien upon any
      of the properties or assets of Issuer or any of its Significant
      Subsidiaries under, (i) the certificate of incorporation or by-laws of
      Issuer or the comparable organizational documents of any Significant
      Subsidiary of Issuer, (ii) any loan or credit agreement, note, bond,
      mortgage, indenture, lease or other agreement, instrument, permit,
      concession, franchise, or license applicable to Issuer or any Significant
      Subsidiary of Issuer or their respective properties or assets (without
      prejudice to the Company's obligations hereunder, other than covenant
      restrictions contained in the Indenture with respect to the Company's
      9-3/8% Debentures due 2006 and the Company's bank credit facility with the
      banks named therein, each of which the Company hereby covenants to use its
      best efforts to have waived), or (iii) any judgment, order, decree,
      statute, law, ordinance, rule, or regulation applicable to Issuer or any
      of its Significant Subsidiaries or their respective properties or assets,
      other than, in the case of clauses (ii) and (iii), any such conflicts,
      violations, defaults, rights, losses, or Liens that individually or in the
      aggregate would not (x) have a material adverse effect on Issuer, (y)
      impair the ability of Issuer to perform its obligations under this
      Agreement or the Merger Agreement or (z) prevent or materially delay the
      consummation of any of the transactions contemplated by this Agreement.

                   (d) State Takeover Statutes. The Board of Directors of Issuer
      has taken all action necessary or advisable so as to render inoperative
      with respect to the transactions contemplated hereby all applicable state
      anti-takeover statutes.


                                      -5-
<PAGE>

             6. Representations and Warranties of Grantee. Grantee hereby
represents and warrants to Issuer that:

                   (a) Due Authorization. Grantee has all requisite corporate
      power and authority to enter into this Agreement and to consummate the
      transactions contemplated hereby. The execution and delivery of this
      Agreement by Grantee and the consummation by Grantee of the transactions
      contemplated hereby have been duly authorized by all necessary corporate
      action on the part of Grantee. This Agreement has been duly executed and
      delivered by Grantee and constitutes a legal, valid and binding obligation
      of Grantee, enforceable against Grantee in accordance with its terms.

                   (b) No Conflicts. The execution and delivery of this
      Agreement does not, and the consummation of the transactions contemplated
      by this Agreement and compliance with the provisions of this Agreement
      hereby shall not, conflict with or result in any violation of, or default
      (with or without notice or lapse of time or both) under, or give rise to a
      right of termination, cancellation, or acceleration of any obligation or
      loss of a material benefit under, or result in the creation of any Lien
      upon any of the properties or assets of Grantee or any of its Significant
      Subsidiaries under, (i) the certificate of incorporation or by-laws of
      Grantee or the comparable organizational documents of any Significant
      Subsidiary of Grantee, (ii) any loan or credit agreement, note, bond,
      mortgage, indenture, lease or other agreement, instrument, permit,
      concession, franchise, or license applicable to Grantee or any Significant
      Subsidiary of Grantee or their respective properties or assets, or (iii)
      any judgment, order, decree, statute, law, ordinance, rule, or regulation
      applicable to Grantee or any of its Significant Subsidiaries or their
      respective properties or assets, other than, in the case of clauses (ii)
      and (iii), any such conflicts, violations, defaults, rights, losses, or
      Liens that individually or in the aggregate would not (x) have a material
      adverse effect on Grantee, (y) impair the ability of Grantee to perform
      its obligations under this Agreement or the Merger Agreement or (z)
      prevent or materially delay the consummation of any of the transactions
      contemplated by this Agreement.

                   (c) Purchase Not for Distribution. Any shares or other
      securities acquired by Grantee upon exercise of the Option are acquired
      for its own account, and shall not be transferred or otherwise disposed of
      except in a transaction registered, or exempt from registration, under the
      Securities Act.

             7. Adjustment upon Changes in Capitalization, Etc. (a) In the event
of any change in Issuer Common Stock by reason of a stock dividend, split-up,
merger, recapitalization, combination, exchange of shares, or similar or other
transaction, the type and number of shares or securities subject to the Option,
and the Purchase Price therefor, shall be adjusted appropriately, and proper
provision shall be made in the agreements governing such transaction, so that
Grantee shall receive upon exercise of the Option the number and class of shares
or other securities or property that Grantee would have received in respect of
Issuer Common Stock if the Option had been exercised immediately prior to such
event or the record date therefor, as applicable. Subject to Section 1, and
without limiting the parties' relative rights and obligations under the Merger
Agreement, if any additional shares of Issuer Common Stock are issued or cease
to be 


                                      -6-
<PAGE>

issued and outstanding after the date of this Agreement (other than pursuant to
an event described in the first sentence of this Section 7(a)), the number of
shares of Issuer Common Stock subject to the Option shall be adjusted so that,
after such issuance or ceasing to be issued and outstanding, it equals 19.9% of
the number of shares of Issuer Common Stock then issued and outstanding, without
giving effect to any shares subject to or issued pursuant to the Option.

             (b) Without limiting the parties' relative rights and obligations
under the Merger Agreement, in the event that Issuer enters into an agreement
(i) to consolidate with or merge into any person, other than Grantee or one of
its subsidiaries, and Issuer shall not be the continuing or surviving
corporation in such consolidation or merger, (ii) to permit any person, other
than Grantee or one of its subsidiaries, to merge into Issuer and Issuer shall
be the continuing or surviving corporation, but in connection with such merger,
the shares of Issuer Common Stock outstanding immediately prior to the
consummation of such merger shall be changed into or exchanged for stock or
other securities of Issuer or any other person or cash or any other property, or
the shares of Issuer Common Stock outstanding immediately prior to the
consummation of such merger shall, after such merger, represent less than 50% of
the outstanding voting securities of the merged company, or (iii) to sell or
otherwise transfer all or substantially all of its assets to any person, other
than Grantee or one of its subsidiaries, then, and in each such case, the
agreement governing such transaction shall make proper provision so that the
Option shall, upon the consummation of any such transaction and upon the terms
and conditions set forth herein, be converted into, or exchanged for, an option
with identical terms appropriately adjusted to acquire the number and class of
shares or other securities or property that Grantee would have received in
respect of Issuer Common Stock if the Option had been exercised immediately
prior to such consolidation, merger, sale, or transfer, or the record date
therefor, as applicable.

             8. Registration Rights. Upon the occurrence of a Purchase Event
that occurs prior to the termination of the Option, Issuer shall, at the request
of Grantee, promptly prepare, file and keep current a shelf registration
statement under the 1933 Act covering any shares issued and issuable pursuant to
this Option and shall use its reasonable best efforts to cause such registration
statement to become effective and remain current in order to permit the sale or
other disposition of any shares of Issuer Common Stock issued upon total or
partial exercise of this Option ("Option Shares"), or shares acquired under the
Voting Agreement, in accordance with any plan of disposition requested by
Grantee. Issuer will use its reasonable best efforts to cause such registration
statement first to become effective and then to remain effective for such period
not in excess of 180 days from the day such registration statement first becomes
effective or such shorter time as may be reasonably necessary to effect such
sales or other dispositions. Grantee shall have the right to demand two such
registrations. Grantee shall provide all information reasonably requested by
Issuer for inclusion in any registration statement to be filed hereunder. If
requested by Grantee in connection with such registration, Issuer shall become a
party to any underwriting agreement relating to the sale of such shares, but
only to the extent of obligating itself in respect of representations,
warranties, indemnities and other agreements customarily included in secondary
offering underwriting agreements for the Issuer.

             9. Listing. If Issuer Common Stock or any other securities to be
acquired upon exercise of the Option are then listed on Nasdaq (or any other
national securities exchange 


                                      -7-
<PAGE>

or national securities quotation system), Issuer, upon the request of Grantee,
shall promptly file an application to list the shares of Issuer Common Stock or
other securities to be acquired upon exercise of the Option on Nasdaq (and any
such other national securities exchange or national securities quotation system)
and shall use reasonable efforts to obtain approval of such listing as promptly
as practicable.

             10. Loss or Mutilation. Upon receipt by Issuer of evidence
reasonably satisfactory to it of the loss, theft, destruction or mutilation of
this Agreement, and (in the case of loss, theft or destruction) of reasonably
satisfactory indemnification, and upon surrender and cancellation of this
Agreement, if mutilated, Issuer shall execute and deliver a new Agreement of
like tenor and date. Any such new Agreement executed and delivered shall
constitute an additional contractual obligation on the part of Issuer, whether
or not the Agreement so lost, stolen, destroyed, or mutilated shall at any time
be enforceable by anyone.

             11.   Miscellaneous.

             (a) Expenses. Except as otherwise provided in the Merger Agreement,
each of the parties hereto shall bear and pay all costs and expenses incurred by
it or on its behalf in connection with this Agreement and the transactions
contemplated hereunder, including fees and expenses of its own financial
consultants, investment bankers, accountants and counsel.

             (b) Amendment. This Agreement may not be amended, except by an
instrument in writing signed on behalf of each of the parties.

             (c) GOVERNING LAW. THIS AGREEMENT SHALL BE DEEMED A CONTRACT MADE
UNDER, AND FOR ALL PURPOSES SHALL BE CONSTRUED IN ACCORDANCE WITH, THE LAWS OF
THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS THEREOF;
PROVIDED, HOWEVER, THAT THE LAWS OF THE RESPECTIVE STATES OF INCORPORATION OF
EACH OF THE PARTIES HERETO SHALL GOVERN THE RELATIVE RIGHTS, OBLIGATIONS,
POWERS, DUTIES AND OTHER INTERNAL AFFAIRS OF SUCH PARTY AND ITS BOARD OF
DIRECTORS.

             (d) Severability. If any provision of this Agreement or the
application of such provision to any person or circumstances shall be held
invalid by a court of competent jurisdiction, the remainder of the provision
held invalid and the application of such provision to persons or circumstances,
other than the party as to which it is held invalid, shall not be affected.

             (e) Counterparts. This Agreement may be executed in one or more
counterparts, each of which shall be deemed to be an original but all of which
together shall constitute one and the same instrument.

             (f) Headings. All Section headings are for convenience of reference
only and are not part of this Agreement and no construction or reference shall
be derived therefrom.


                                      -8-
<PAGE>

             (g) Extension; Waiver. Any agreement on the part of a party to
waive any provision of this Agreement, or to extend the time for performance,
shall be valid only if set forth in an instrument in writing signed on behalf of
such party. The failure of any party to this Agreement to assert any of its
rights under this Agreement or otherwise shall not constitute a waiver of such
rights.

             (h) Entire Agreement; No Third-Party Beneficiaries. This Agreement,
the Voting Agreement and the Merger Agreement (including the documents and
instruments referred to therein) and the confidentiality agreement entered into
by Issuer and Grantee in connection with the transactions contemplated by the
Merger Agreement (i) constitute the entire agreement, and supersede all prior
agreements and understandings, both written and oral, between the parties with
respect to the subject matter of such agreements and (ii) except as expressly
otherwise provided herein or in the Voting Agreement or the Merger Agreement,
are not intended to confer upon any person other than the parties any rights or
remedies.

             (i) Notices. All notices, requests, claims, demands, and other
communications under this Agreement must be in writing and shall be deemed given
if delivered personally, telecopied (which is confirmed), or sent by overnight
courier (providing proof of delivery) to the parties at the following addresses
(or at such other address for a party as shall be specified by like notice):

             (i) if to Grantee, to

                 AT&T Corp.
                 295 North Maple Avenue
                 Basking Ridge, New Jersey 07920
                 Telecopy No.:   (908) 221-6618
                 Attention:  Marilyn Wasser



                 with copies to:

                 Wachtell, Lipton, Rosen & Katz
                 51 West 52nd Street
                 New York, New York  10019
                 Telecopy No.:  (212) 403-2000
                 Attention:  David M. Silk; and


                                      -9-
<PAGE>

            (ii) if to Issuer, to

                 Vanguard Cellular Systems, Inc.
                 2002 Pisgah Church Road
                 Greensboro, NC 27455
                 Telecopy No.: (336) 545-2219
                 Attention: Richard Rowlenson


                 with a copy to:

                 Latham & Watkins
                 53rd at Third Avenue, Suite 1000
                 885 Third Avenue
                 New York, NY 10022-4802
                 Telecopy No.:  (212) 751-4864
                 Attention:  Raymond Y. Lin.

             (j) Assignment. Neither this Agreement nor any of the rights,
interests, or obligations under this Agreement may be assigned or delegated, in
whole or in part, by operation of law or otherwise, by Issuer without the prior
written consent of Grantee, and Grantee may assign or delegate, in whole or in
part, any of its rights hereunder. Any assignment or delegation in violation of
the preceding sentence shall be void.

             (k) Further Assurances. In the event of any exercise of the Option
by Grantee, Issuer and Grantee shall execute and deliver all other documents and
instruments and take all other action that may be reasonably necessary in order
to consummate the transactions provided for by such exercise.

             (l) ENFORCEMENT. THE PARTIES AGREE THAT IRREPARABLE DAMAGE WOULD
OCCUR AND THAT THE PARTIES WOULD NOT HAVE ANY ADEQUATE REMEDY AT LAW IN THE
EVENT THAT ANY OF THE PROVISIONS OF THIS AGREEMENT WERE NOT PERFORMED IN
ACCORDANCE WITH THEIR SPECIFIC TERMS OR WERE OTHERWISE BREACHED. IT IS
ACCORDINGLY AGREED THAT THE PARTIES SHALL BE ENTITLED TO AN INJUNCTION OR
INJUNCTIONS TO PREVENT BREACHES OF THIS AGREEMENT AND TO ENFORCE SPECIFICALLY
THE TERMS AND PROVISIONS OF THIS AGREEMENT IN ANY FEDERAL COURT LOCATED IN THE
STATE OF NEW YORK OR IN NEW YORK STATE COURT, THE FOREGOING BEING IN ADDITION TO
ANY OTHER REMEDY TO WHICH THEY ARE ENTITLED AT LAW OR IN EQUITY.


                                      -10-
<PAGE>

            IN WITNESS WHEREOF, Issuer and Grantee have caused this Agreement to
be signed by their respective officers thereunto duly authorized as of the day
and year first written above.

                                          VANGUARD CELLULAR SYSTEMS,
                                          INC.


                                          By:
                                             Name:
                                             Title:


                                          AT&T CORP.


                                          By:  /s/  Michael Berg
                                             Name:  Michael Berg
                                             Title: Assistant Secretary


                                      -11-
<PAGE>

Confirmed and accepted as of the date first written above:


                                          By:  /s/  Stephen R. Leeolou
                                             Name:  Stephen R. Leeolou
                                             Title: President and Chief 
                                                    Executive Officer


                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                   6.       Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                   (b) Notwithstanding the foregoing:

                            (i) Stockholder shall be permitted to sell (or
         pledge to the Company in support of a loan) such portion of New Shares
         (but may not sell any New Shares to the Company or its Subsidiaries)
         solely to pay the exercise price of any employee stock options and tax
         liabilities in respect of an exercise of employee stock options;
         provided that Parent shall have a right of first refusal to purchase
         such New Shares at the lower of $23 per share or the Market Price; and
         provided further that, if any such New Shares are sold or pledged for
         an amount in excess of $23 per share and the Option becomes
         exercisable, such Stockholder shall remit such excess over $23 per
         share directly to Parent if Parent ever exercises the Option; and
         provided further that any such New Shares shall be sold (or pledged)
         subject to the irrevocable proxy referred to in paragraph 2.

                            (ii) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt 

                                      -5-
<PAGE>

         of such notice and the time on which the Cash Payment Amount is due to
         be paid, to sell such number of Shares as may be necessary to satisfy
         such obligation, as described in Section 6(a) above.

                            (iii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of the Merger
         Agreement or the Stock Option Agreement by the Company or this
         Agreement by such Stockholder; provided that Parent shall have a right
         of first refusal to purchase such Shares at the lower of $23 per share
         or the Market Price on the date that such Stockholder notifies Parent
         of his intention to sell; and provided further that, if any such Shares
         are sold or pledged for an amount in excess of $23 per share and the
         Option becomes exercisable, such Stockholder shall remit such excess
         over $23 per share directly to Parent if Parent ever exercises the
         Option; and provided further that any such New Shares shall be sold (or
         pledged) subject to the irrevocable proxy referred to in paragraph 2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                   8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                   9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                                      -6-
<PAGE>

                   10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                   11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                   12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                   13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                   14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                   15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.




                                      -7-
<PAGE>

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                                      -8-
<PAGE>

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson


                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "

                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name:  Michael Berg
                                          Title: Assistant Secretary





<PAGE>

Confirmed and accepted as of the date first written above:

                                               By:/s/ L. Richardson Preyer, Jr.
                                                  ------------------------------
                                               Name: L. Richardson Preyer, Jr.



<PAGE>
                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                 Number of Shares of                            
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

L. Richardson Preyer, Jr.           765,510 (1)                   Beneficial















(1)  Includes 327,749 shares pledged to NationsBank to secure a loan of 
$3,073,868 as of the date hereof.


<PAGE>
                                                                       EXHIBIT B

                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                           Dated _____________________, 1998



                                           --------------------------------
                                               (Signature of Stockholder)



<PAGE>
                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                   6.       Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                   (b) Notwithstanding the foregoing:

                            (i) Stockholder shall be permitted to sell (or
         pledge to the Company in support of a loan) such portion of New Shares
         (but may not sell any New Shares to the Company or its Subsidiaries)
         solely to pay the exercise price of any employee stock options and tax
         liabilities in respect of an exercise of employee stock options;
         provided that Parent shall have a right of first refusal to purchase
         such New Shares at the lower of $23 per share or the Market Price; and
         provided further that, if any such New Shares are sold or pledged for
         an amount in excess of $23 per share and the Option becomes
         exercisable, such Stockholder shall remit such excess over $23 per
         share directly to Parent if Parent ever exercises the Option; and
         provided further that any such New Shares shall be sold (or pledged)
         subject to the irrevocable proxy referred to in paragraph 2.

                            (ii) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt 

                                      -5-
<PAGE>

         of such notice and the time on which the Cash Payment Amount is due to
         be paid, to sell such number of Shares as may be necessary to satisfy
         such obligation, as described in Section 6(a) above.

                            (iii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of the Merger
         Agreement or the Stock Option Agreement by the Company or this
         Agreement by such Stockholder; provided that Parent shall have a right
         of first refusal to purchase such Shares at the lower of $23 per share
         or the Market Price on the date that such Stockholder notifies Parent
         of his intention to sell; and provided further that, if any such Shares
         are sold or pledged for an amount in excess of $23 per share and the
         Option becomes exercisable, such Stockholder shall remit such excess
         over $23 per share directly to Parent if Parent ever exercises the
         Option; and provided further that any such New Shares shall be sold (or
         pledged) subject to the irrevocable proxy referred to in paragraph 2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                   8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                   9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                                      -6-
<PAGE>

                   10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                   11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                   12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                   13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                   14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                   15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.




                                      -7-
<PAGE>

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                                      -8-
<PAGE>

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson


                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "

                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name: Michael Berg
                                          Title:Assistant Secretary





<PAGE>

Confirmed and accepted as of the date first written above:

                                               By:/s/ Haynes G. Griffin
                                                  ------------------------------
                                               Name: Haynes G. Griffin



<PAGE>
                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                 Number of Shares of                            
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

  Haynes G. Griffin                 1,047,931 (1)                 Beneficial















(1) Includes 140,850 shares in a margin account at Robert Securities, Inc., with
0 shares securing a loan of $0 as of the date hereof.


<PAGE>
                                                                       EXHIBIT B

                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                           Dated _____________________, 1998



                                           --------------------------------
                                               (Signature of Stockholder)



<PAGE>
                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                   6.       Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                   (b) Notwithstanding the foregoing:

                            (i) Stockholder shall be permitted to sell (or
         pledge to the Company in support of a loan) such portion of New Shares
         (but may not sell any New Shares to the Company or its Subsidiaries)
         solely to pay the exercise price of any employee stock options and tax
         liabilities in respect of an exercise of employee stock options;
         provided that Parent shall have a right of first refusal to purchase
         such New Shares at the lower of $23 per share or the Market Price; and
         provided further that, if any such New Shares are sold or pledged for
         an amount in excess of $23 per share and the Option becomes
         exercisable, such Stockholder shall remit such excess over $23 per
         share directly to Parent if Parent ever exercises the Option; and
         provided further that any such New Shares shall be sold (or pledged)
         subject to the irrevocable proxy referred to in paragraph 2.

                            (ii) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt 

                                      -5-
<PAGE>

         of such notice and the time on which the Cash Payment Amount is due to
         be paid, to sell such number of Shares as may be necessary to satisfy
         such obligation, as described in Section 6(a) above.

                            (iii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of the Merger
         Agreement or the Stock Option Agreement by the Company or this
         Agreement by such Stockholder; provided that Parent shall have a right
         of first refusal to purchase such Shares at the lower of $23 per share
         or the Market Price on the date that such Stockholder notifies Parent
         of his intention to sell; and provided further that, if any such Shares
         are sold or pledged for an amount in excess of $23 per share and the
         Option becomes exercisable, such Stockholder shall remit such excess
         over $23 per share directly to Parent if Parent ever exercises the
         Option; and provided further that any such New Shares shall be sold (or
         pledged) subject to the irrevocable proxy referred to in paragraph 2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                   8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                   9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                                      -6-
<PAGE>

                   10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                   11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                   12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                   13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                   14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                   15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.




                                      -7-
<PAGE>

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                                      -8-
<PAGE>

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson


                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "

                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name:  Michael Berg
                                          Title: Assistant Secretary





<PAGE>

Confirmed and accepted as of the date first written above:

                                               By:/s/ Stephen R. Leeolou
                                                  ------------------------------
                                               Name: Stephen R. Leeolou



<PAGE>
                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                 Number of Shares of                            
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

Stephen R. Leeolou                   821,850 (1)                   Beneficial















(1)  Includes 208,524 shares pledged to NationsBank to secure a loan of 
$1,900,000 and 104,523 shares pledged to First Union Bank to secure a loan of 
$497,500.


<PAGE>
                                                                       EXHIBIT B

                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                           Dated _____________________, 1998



                                           --------------------------------
                                               (Signature of Stockholder)



<PAGE>
                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                  6.  Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                  (b) Notwithstanding the foregoing:

                            (i) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt of such notice and the time on
         which the Cash Payment Amount is due to be paid, to sell such number of
         Shares as may be necessary to satisfy such obligation, as described in
         Section 6(a) above.

                            (ii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of 

                                      -5-
<PAGE>

         the Merger Agreement or the Stock Option Agreement by the Company or
         this Agreement by such Stockholder; provided that Parent shall have a
         right of first refusal to purchase such Shares at the lower of $23 per
         share or the Market Price on the date that such Stockholder notifies
         Parent of his intention to sell; and provided further that, if any such
         Shares are sold or pledged for an amount in excess of $23 per share and
         the Option becomes exercisable, such Stockholder shall remit such
         excess over $23 per share directly to Parent if Parent ever exercises
         the Option; and provided further that any such New Shares shall be sold
         (or pledged) subject to the irrevocable proxy referred to in paragraph
         2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                  8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                  9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                  10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                  11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                  12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                                      -6-
<PAGE>

                  13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                  14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                  15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                                      -7-
<PAGE>

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson

                                      -8-
<PAGE>

                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "







                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name:  Michael Berg
                                          Title: Assistant Secretary





<PAGE>
Confirmed and accepted as of the date first written above:


                                            SMITH RICHARDSON FOUNDATION


                                            By:/s/ Peter L. Richardson
                                               ---------------------------------
                                            Name:  Peter L. Richardson
                                            Title: President

<PAGE>
                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                  Number of Shares of                          
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

  Smith Richardson Foundation         1,020,292                     Beneficial


















<PAGE>

                                                                       EXHIBIT B



                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                        Dated _____________________, 1998



                                        --------------------------------
                                             (Signature of Stockholder)



<PAGE>
                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                  6.  Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                  (b) Notwithstanding the foregoing:

                            (i) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt of such notice and the time on
         which the Cash Payment Amount is due to be paid, to sell such number of
         Shares as may be necessary to satisfy such obligation, as described in
         Section 6(a) above.

                            (ii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of 

                                      -5-
<PAGE>

         the Merger Agreement or the Stock Option Agreement by the Company or
         this Agreement by such Stockholder; provided that Parent shall have a
         right of first refusal to purchase such Shares at the lower of $23 per
         share or the Market Price on the date that such Stockholder notifies
         Parent of his intention to sell; and provided further that, if any such
         Shares are sold or pledged for an amount in excess of $23 per share and
         the Option becomes exercisable, such Stockholder shall remit such
         excess over $23 per share directly to Parent if Parent ever exercises
         the Option; and provided further that any such New Shares shall be sold
         (or pledged) subject to the irrevocable proxy referred to in paragraph
         2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                  8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                  9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                  10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                  11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                  12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                                      -6-
<PAGE>

                  13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                  14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                  15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                                      -7-
<PAGE>

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson

                                      -8-
<PAGE>

                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "







                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name:  Michael Berg
                                          Title: Assistant Secretary





<PAGE>
Confirmed and accepted as of the date first written above:





                                            By:/s/ Stuart S. Richardson
                                               ---------------------------------
                                            Name: Stuart S. Richardson
                                            

<PAGE>
                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                  Number of Shares of                          
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

Stuart S. Richardson                 50,736 (1)                    Beneficial














(1) Does not include (1) the Grace Jones Richardson Testamentary Trust; Stuart 
S. Richardson & Peter L. Richardson, Trustees and (2) the H. Smith Richardson 
Family Trust; Peter L. Richardson, Stuart S. Richardson, E. William Stetson, III
and Winburne W. King, III, Trustees.



<PAGE>

                                                                       EXHIBIT B



                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                        Dated _____________________, 1998



                                        --------------------------------
                                             (Signature of Stockholder)



<PAGE>
                                VOTING AGREEMENT


                  VOTING AGREEMENT (the "Agreement"), dated as of October 2,
1998, between the undersigned stockholder ("Stockholder") of Vanguard Cellular
Systems, Inc., a North Carolina corporation (the "Company"), and AT&T Corp., a
New York corporation ("Parent").

                  WHEREAS, concurrently with the execution and delivery of this
Agreement, the Company and Parent have entered into an Agreement and Plan of
Merger dated as of October 2, 1998 (the "Merger Agreement"), providing for the
merger of the Company with and into a wholly-owned subsidiary of Parent (the
"Merger") pursuant to the terms and conditions thereof; and

                  WHEREAS, as an inducement and a condition to Parent entering
into the Merger Agreement, pursuant to which Stockholder will receive the
consideration provided for in the Merger Agreement in exchange for each share of
Class A Common Stock, par value $0.01 per share, of the Company (the "Common
Stock") owned by him, Stockholder has agreed to enter into this Agreement;

                  NOW, THEREFORE, for good and valuable consideration, the
receipt, sufficiency and adequacy of which is hereby acknowledged, the parties
hereto agree as follows:

                  1. Representations of Stockholder. Stockholder represents that
such Stockholder:

                           (a) is the beneficial owner of that number of shares
         of Common Stock set forth opposite such Stockholder's name on Exhibit A
         (such Stockholder's "Shares");

                           (b) except as may be denoted in Exhibit A, does not
         beneficially own (as such term is defined in the Securities Exchange
         Act of 1934, as amended (the "1934 Act")) or own of record any shares
         of Common Stock other than such Stockholder's Shares, but excluding any
         shares of Common Stock which such Stockholder has the right to obtain
         upon the exercise of stock options outstanding on the date hereof; and

                           (c) has the right, power and authority to execute and
         deliver this Agreement and to perform such Stockholder's obligations
         under this Agreement, and this Agreement has been duly executed and
         delivered by such Stockholder and constitutes a valid and legally
         binding agreement of such Stockholder, enforceable in accordance with
         its terms; and such execution, delivery and performance by such
         Stockholder of this Agreement will not (i) conflict with, require a
         consent, waiver or approval under, or result in a breach of or default
         under, any of the terms of any contract, commitment or other obligation
         (written or oral) to which such Stockholder is a party or by which such
         Stockholder is bound; (ii) violate any order, writ, injunction, decree
         or statute, or any rule or regulation, applicable to Stockholder or any
         of the properties or assets of Stockholder; or (iii) result in the
         creation of, or impose any obligation on such Stockholder to create,
<PAGE>

         any Lien (as defined in the Merger Agreement), charge or other
         encumbrance of any nature whatsoever upon the Shares, other than in
         favor of Parent.

The representations and warranties contained herein shall be made as of the date
hereof and as of each date from the date hereof through and including the date
that the Merger is consummated or this Agreement is terminated in accordance
with its terms.

                   2. Agreement to Vote Shares. Stockholder shall be present (in
person or by proxy) at and vote his Shares and any New Shares (as defined in
Section 4 hereof), and shall cause any holder of record of his Shares or New
Shares to be present and vote, (a) in favor of adoption and approval of the
Merger Agreement and the Merger (and each other action and transaction
contemplated by the Merger Agreement or by this Agreement) and (b) against any
Acquisition Proposal (as defined in the Merger Agreement) other than the Merger
(or any other Acquisition Proposal of Parent) and against any proposed action or
transaction that would prevent or intentionally delay consummation of the Merger
(or other Acquisition Proposal of Parent) or is otherwise inconsistent therewith
at every meeting of the stockholders of the Company at which any such matters
are considered and at every adjournment thereof (and, if applicable, in
connection with any request or solicitation of written consents of
stockholders). Any such vote shall be cast, or consent shall be given, in
accordance with such procedures relating thereto as shall ensure that it is duly
counted for purposes of determining that a quorum is present and for purposes of
recording the results of such vote or consent. Stockholder shall deliver to
Parent upon request a proxy substantially in the form attached hereto as Exhibit
B, which proxy shall be coupled with an interest and irrevocable to the extent
permitted under North Carolina law, with the total number of such Stockholder's
Shares and any New Shares correctly indicated thereon. Stockholder hereby
revokes any and all previous proxies granted with respect to his Shares.
Stockholder shall also use his reasonable best efforts to take, or cause to be
taken, all action, and do, or cause to be done, all things necessary or
advisable in order to consummate and make effective the transactions
contemplated by this Agreement.

                   3. No Voting Trusts. After the date hereof, Stockholder
agrees that he will not, nor will he permit any entity under his control to,
deposit any Shares in a voting trust or subject any Shares to any Lien (except,
if any Shares were as of September 25, 1998 in margin accounts, to the extent of
the collateral required by the related loan as noted on Exhibit A hereto) or
agreement, arrangement or understanding with respect to the voting of such
Shares other than agreements entered into with Parent.

                  4. Additional Purchases. Stockholder agrees that in the event
(a) of any stock dividend, stock split, recapitalization, reclassification,
combination or exchange of shares of stock of the Company on, of or affecting
the Shares of such Stockholder, (b) such Stockholder purchases or otherwise
acquires beneficial ownership of any shares of Common Stock after the execution
of this Agreement (including by exercise of options), or (c) such Stockholder
acquires the right to vote or share in the voting of any shares of Common Stock
other than the Shares (collectively, "New Shares"), such Stockholder shall
deliver promptly to Parent upon request an irrevocable proxy substantially in
the form attached hereto as Exhibit B with respect to such New Shares.
Stockholder also agrees that any New Shares acquired or purchased by him shall
be 

                                      -2-
<PAGE>

subject to the terms of this Agreement and shall constitute Shares to the same
extent as if they were owned by such Stockholder on the date hereof.

                  5.  Option Shares.

                  (a) Subject to the terms and conditions set forth herein,
Stockholder hereby grants to Parent an irrevocable option (the "Option") to
purchase, in whole or in part, such Stockholder's Shares and such Stockholder's
New Shares at a purchase price equal to the Per Share Cash Amount (as defined in
the Merger Agreement) per share; provided, however, that if the Per Share Cash
Amount under the Merger Agreement or any amendment thereto is ever increased or
if Parent shall otherwise offer to the Stockholders of the Company an increased
consideration for all of their shares (the "Greater Consideration"), then the
purchase price per share under the Option shall be increased to equal such new
Per Share Cash Amount or Greater Consideration; and provided further that if
Parent has exercised the Option within 12 months prior to such increase in the
Per Share Cash Amount or Greater Consideration, then Parent shall pay to each
Stockholder an amount equal to the product of the number of shares previously
purchased from such Stockholder pursuant to the Option and the amount of
increase between the old Per Share Cash Amount and the new Per Share Cash Amount
or Greater Consideration, as applicable.

                  (b) Parent may exercise the Option, in whole or in part, at
any time and from time to time, after the first to occur of (i) any event as a
result of which Parent shall be entitled to receive a termination fee pursuant
to Section 7.2(e) of the Merger Agreement in the amount of $52.5 million
pursuant to part (1) or part (2) of such Section or in the amount of $22.5
million pursuant to part (3) of such Section or (ii) the breach by any
Stockholder of Section 2 of this Agreement (the first of such events to occur, a
"Purchase Event"); provided, however, that except as provided in the last
sentence of this Section 5(b), the Option shall terminate and be of no further
force and effect upon the earliest to occur of (A) the Effective Time (as
defined in the Merger Agreement), (B) 12 months and one day after the occurrence
of a termination of the Merger Agreement in accordance with Section 7.1 (d),
(e), (f) or (g), (C) a termination of the Merger Agreement in accordance with
Section 7.1(a), (b), (c) or (h) of the Merger Agreement and (D) 18 months after
the Outside Date as defined in Section 7.1(e) of the Merger Agreement.
Notwithstanding the termination of the Option, Parent shall be entitled to
exercise the Option or receive the Cash Payment Amount if it has given written
notice of its intent to exercise the Option or receive the Cash Payment Amount
in accordance with the terms hereof prior to the termination of the Option and
the termination of the Option shall not affect any rights hereunder which by
their terms do not terminate or expire prior to or as of such termination.

                  (c) In the event that Parent wishes to exercise the Option, it
shall send to such Stockholder a written notice (the date of which being herein
referred to as the "Notice Date") to that effect which notice also specifies the
total number of shares Parent will purchase pursuant to such exercise, and a
date not earlier than three business days nor later than 15 business days from
the Notice Date for the closing of such purchase (the "Option Closing Date");
provided, however, that (i) if the closing of the purchase and sale pursuant to
the Option (the "Option Closing") cannot be consummated by reason of any
applicable judgment, decree, order, law or 

                                      -3-
<PAGE>

regulation (including, without limitation, the rules and regulations of the
FCC), the period of time that otherwise would run pursuant to this sentence
shall run instead from the date on which such restriction on consummation has
expired or been terminated and (ii) without limiting the foregoing, if prior
notification to or approval of any Governmental Entity (as defined in the Merger
Agreement) is required in connection with such purchase or any other transaction
contemplated hereby, Parent and such Stockholder shall promptly file the
required notice or application for approval and shall cooperate in the
expeditious filing of such notice or application, and, in the case of any prior
notification or approval required in connection with such purchase, the period
of time that otherwise would run pursuant to this sentence shall run instead
from the date on which, as the case may be, (A) any required notification period
has expired or been terminated or (B) any required approval has been obtained,
and in either event, any requisite waiting period has expired or been
terminated. The place of the Option Closing shall be at the offices of Wachtell,
Lipton, Rosen & Katz, 51 West 52nd Street, New York, New York, and the time of
the Option Closing shall be 10:00 a.m. (Eastern Time) on the Option Closing
Date.

                  (d) At the Option Closing, Parent (or its designee) shall pay
to each Stockholder an amount equal to the product of (x) the Per Share Cash
Amount or Greater Consideration, as applicable, and (y) the number of shares
being purchased from such Stockholder pursuant to the exercise of the Option.
Such payment shall be in immediately available funds by wire transfer to a bank
account designated in writing by such Stockholder.

                  (e) At the Option Closing, simultaneously with the delivery of
the amount specified in Section 5(d), each Stockholder shall deliver to Parent
(or its designee) a certificate or certificates representing its shares to be
purchased at the Option Closing, which shares shall be free and clear of all
Liens, claims, charges and encumbrances of any kind whatsoever, except for such
encumbrances or proxies in favor of Parent arising hereunder, and a new Option
evidencing the rights of the Parent (or its designee) to purchase the balance of
such Stockholder's shares purchasable hereunder.

                  6.  Cash Election.

                  (a) In lieu of exercising the Option, by notice, Parent may
require such Stockholder to make a cash payment to Parent in the amount (the
"Cash Payment Amount") equal to the amount by which (A) the Market Price (as
defined below) exceeds (B) the Per Share Cash Amount, multiplied by the sum of
(i) the number of such Stockholder's Shares and (ii) the number of such
Stockholder's New Shares. Upon receipt of such notice, the Stockholder shall be
permitted to sell a sufficient number of Shares to pay the Cash Payment Amount,
if Stockholder shall, within five business days of such notice, sell such
Shares, provided that Stockholder shall use reasonable best efforts to achieve
good execution and shall consult with Parent with respect to the manner of
disposition. The term "Market Price" shall mean the closing price (as measured
by the last completed trade) for shares of Common Stock on the date of Parent's
election, or if Stockholder elects to sell Shares to pay the Cash Payment Amount
and has complied with the proviso to the immediately preceding sentence, the
average price per Share actually realized in such sale.

                                      -4-
<PAGE>

                  (b) Parent may exercise its right to require such Stockholder
to pay the Cash Payment Amount pursuant to this Section by surrendering for such
purpose to such Stockholder, at the Company's principal office, a copy of this
Agreement, accompanied by a written notice or notices stating that Parent elects
to require such Stockholder to pay the Cash Payment Amount in accordance with
the provisions of this Section. Within five (or, in the case of a sale of Shares
under (a) above to fund the Cash Payment Amount, eight) business days after the
surrender of the Option and the receipt of such notice or notices relating
thereto, such Stockholder shall deliver or cause to be delivered to Parent the
Cash Payment Amount by wire to the account designated by Parent in immediately
available funds.

                  (c) If Stockholder at any time after delivery of a notice of
election by Parent to take the Cash Payment Amount pursuant to this Section is
prohibited under applicable law or regulation from selling Shares in order to
deliver to Parent the Cash Payment Amount in full, and Stockholder is required
to sell Shares to fund the Cash Payment Amount, then (i) such Stockholder hereby
undertakes to use such Stockholder's reasonable best efforts, to the extent
within the control of such Stockholder, to obtain all required regulatory and
legal approvals and to file any required notices, in each case as promptly as
practicable in order to accomplish such sales and (ii) if Stockholder is unable
to effect sales within four days after the receipt of notice, such Stockholder
shall be permitted to pay the Cash Payment Amount to Parent in Shares valued at
the Market Price.

                  7.  No Encumbrances.

                  (a) Except as expressly contemplated by this Agreement,
Stockholder's Shares and the certificates representing such Shares are now, and
at all times during the term hereof will be, held by such Stockholder, or by a
nominee or custodian for the benefit of such Stockholder, free and clear of all
liens, claims, security interests, proxies, voting trusts or agreements,
understandings or arrangements or any other encumbrances whatsoever (other than
to the extent set forth on Schedule 1 to this Agreement), except for any such
encumbrances or proxies arising hereunder.

                  (b) Notwithstanding the foregoing:

                            (i) Any Stockholder which has received a notice of
         election by Parent (or its designee) to receive the Cash Payment Amount
         shall be permitted, between receipt of such notice and the time on
         which the Cash Payment Amount is due to be paid, to sell such number of
         Shares as may be necessary to satisfy such obligation, as described in
         Section 6(a) above.

                            (ii) In the event that the Merger Agreement is
         terminated pursuant to Section 7.1(d) or 7.1(g) (based upon a breach
         not due to the willful breach of any representation or warranty or the
         willful breach of any covenant by the Company), any Stockholder shall
         be permitted to sell up to 20% of such Stockholder's Shares held as of
         the date hereof if reasonably necessary to provide liquidity to such
         Stockholder if at such time no Acquisition Proposal shall be pending or
         could reasonably expected to become pending prior to expiration of the
         Option and there shall have been no willful breach of 

                                      -5-
<PAGE>

         the Merger Agreement or the Stock Option Agreement by the Company or
         this Agreement by such Stockholder; provided that Parent shall have a
         right of first refusal to purchase such Shares at the lower of $23 per
         share or the Market Price on the date that such Stockholder notifies
         Parent of his intention to sell; and provided further that, if any such
         Shares are sold or pledged for an amount in excess of $23 per share and
         the Option becomes exercisable, such Stockholder shall remit such
         excess over $23 per share directly to Parent if Parent ever exercises
         the Option; and provided further that any such New Shares shall be sold
         (or pledged) subject to the irrevocable proxy referred to in paragraph
         2.

                  (c) Any transfer by Stockholder of its Shares to Parent
pursuant to the Option shall pass to and unconditionally vest in Parent good and
valid title to such Stockholder's Shares and New Shares, free and clear of all
claims, liens, restrictions, security interests, pledges, limitations and
encumbrances whatsoever.

                  8. Acquisition Proposals. Stockholder agrees that such
Stockholder (i) shall not, directly or indirectly, initiate, solicit, encourage
or otherwise facilitate any inquiries or the making of any Acquisition Proposal
and (ii) has terminated any discussions or negotiations with, and the provision
of information or data to, any Person (other than Parent) respecting an
Acquisition Proposal. Such Stockholder further agrees that he shall not,
directly or indirectly, provide any confidential information or data to any
Person (as defined in the Merger Agreement) relating to or in contemplation of
an Acquisition Proposal or engage in any negotiations or discussions relating to
or in contemplation of an Acquisition Proposal. Such Stockholder will notify
Parent immediately if any inquiries, proposals or offers respecting an
Acquisition Proposal are received by, any such information or data is requested
from, or any such discussions or negotiations are sought to be initiated or
continued with, such Stockholder indicating, in connection with such notice, the
name of such Person and the material terms and conditions of any proposals or
offers, and shall keep Parent apprised with respect to the status and terms
thereof.

                  9. Appraisal Rights. Stockholder agrees not to exercise any
rights (including, without limitation, under Article 13 of the North Carolina
Business Corporation Act) to demand appraisal of any Common Stock which may
arise with respect to the Merger.

                  10. Affiliates Letter. Stockholder shall execute and deliver
on a timely basis an Affiliate Letter (as defined in the Merger Agreement).

                  11. Reliance by Parent. Stockholder understands and
acknowledges that Parent is entering into the Merger Agreement in reliance upon
Stockholder's execution and delivery of this Agreement.

                  12. Action in Stockholder Capacity Only. Stockholder makes no
agreement or understanding hereunder as a director or officer of the Company.
Stockholder signs this Agreement solely in his capacity as a beneficial owner of
the Shares, and nothing herein shall limit or effect any actions taken in
Stockholder's capacity as an officer or director of the Company.

                                      -6-
<PAGE>

                  13. Specific Performance. Each party hereto severally
acknowledges that it will be impossible to measure in money the damage to the
other parties if the party hereto fails to comply with any of the obligations
imposed by this Agreement, that every such obligation is material and that, in
the event of any such failure, the other parties will not have an adequate
remedy at law or damages. Accordingly, each party hereto severally agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and will not oppose the
granting of such relief on the basis that any other party has an adequate remedy
at law. Each party hereto severally agrees that it will not seek, and agrees to
waive any requirement for, the securing or posting of a bond in connection with
any other party's seeking or obtaining such equitable relief.

                  14. Heirs, Successors and Assigns. This Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, successors and assigns and shall not be assignable without the written
consent of all other parties hereto other than any assignment in whole or in
part by Parent.

                  15. Entire Agreement. This Agreement supersedes all prior
agreements, written or oral, among the parties hereto with respect to the
subject matter hereof and contains the entire agreement among the parties with
respect to the subject matter hereof. This Agreement may not be amended,
supplemented or modified, and no provisions hereof may be modified or waived,
except by an instrument in writing signed by all the parties hereto. No waiver
of any provisions hereof by any party shall be deemed a waiver of any other
provisions hereof by any such party, nor shall any such waiver be deemed a
continuing waiver of any provision hereof by such party.

                  16.  Miscellaneous.

                           (a) Expenses. Each of the parties hereto shall bear
         and pay all costs and expenses incurred by it or on its behalf in
         connection with the negotiation of this Agreement, including fees and
         expenses of its own financial consultants, investment bankers,
         accountants and counsel.

                           (b) Amendment. This Agreement may not be amended,
         except by an instrument in writing signed on behalf of each of the
         parties.

                           (c) This Agreement shall be deemed a contract made
         under, and for all purposes shall be construed in accordance with, the
         internal laws of the State of New York without regard to principles of
         conflicts of law, except for those provisions relating to the voting
         and the proxy which shall be governed by North Carolina law.

                           (d) Severability. If any provision of this Agreement
         or the application of such provision to any person or circumstances
         shall be held invalid by a court of competent jurisdiction, the
         remainder of the provision held invalid and the application of such
         provision to persons or circumstances, other than the party as to which
         it is held invalid, shall not be affected.

                                      -7-
<PAGE>

                           (e) Counterparts. This Agreement may be executed in
         one or more counterparts, each of which shall be deemed to be an
         original but all of which together shall constitute one and the same
         instrument.

                           (f) Termination. This Agreement shall terminate upon
         termination of the Option.

                           (g) Headings. All Section headings herein are for
         convenience of reference only and are not part of this Agreement and no
         construction or reference shall be derived therefrom.

                           (h) Notices. All notices, requests, claims, demands,
         and other communications under this Agreement must be in writing and
         shall be deemed given if delivered personally, telecopied (which is
         confirmed), or sent by overnight courier (providing proof of delivery)
         to the parties at the following addresses (or at such other address for
         a party as shall be specified by like notice):

                           (i)    if to Parent, to

                                  AT&T Corp.
                                  295 North Maple Avenue
                                  Basking Ridge, NJ  07920
                                  Telecopy No.:  (908) 221-6618
                                  Attention:  Marilyn Wasser

                           with copies to:

                                  Wachtell, Lipton, Rosen & Katz
                                  51 West 52nd Street
                                  New York, New York  10019
                                  Telecopy No.:  (212) 403-2000
                                  Attention:  David M. Silk; and

                           (ii)   if to the Stockholder, to such Stockholder c/o

                                  Vanguard Cellular Systems, Inc.
                                  2002 Pisgah Church Road
                                  Greensboro, NC  27455
                                  Telecopy No.:  (336) 545-2219
                                  Attention:  Richard Rowlenson

                                      -8-
<PAGE>

                           with a copy to:

                                  Latham & Watkins
                                  53rd at Third Avenue, Suite 1000
                                  885 Third Avenue
                                  New York, NY 10022-4802
                                  Telecopy No.:  (212) 751-4864
                                  Attention:  Raymond Y. Lin.

                           (i) Further Assurances. In the event of any exercise
         of the Option or election to take the Cash Payment Amount, each of the
         Company, Parent and Stockholder shall execute and deliver all other
         documents and instruments and take all other action that may be
         reasonably necessary in order to consummate the transactions
         contemplated by such exercise.

                           (j) Stockholder shall cause certificates for the
         Shares and New Shares to have typed or printed thereon a restrictive
         legend which shall read substantially as follows (if and to the extent
         true and necessary in light of legal and factual circumstances existing
         at such time):

                  "THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
                  CERTAIN PROVISIONS AS SET FORTH IN THE VOTING AGREEMENT, DATED
                  AS OF OCTOBER 2, 1998, A COPY OF WHICH MAY BE OBTAINED FROM
                  THE SECRETARY OF VANGUARD CELLULAR SYSTEMS, INC. AT ITS
                  PRINCIPAL EXECUTIVE OFFICES, WHICH CONTAINS RESTRICTIONS ON
                  THE VOTING AND TRANSFER THEREOF. "







                                      -9-
<PAGE>

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

                                   AT&T CORP.


                                       By:/s/ Michael Berg
                                          -------------------------------------
                                          Name:  Michael Berg
                                          Title: Assistant Secretary





<PAGE>
Confirmed and accepted as of the date first written above:


                                            PIEDMONT ASSOCIATES LIMITED 


                                            By:/s/ Stuart S. Richardson
                                               ---------------------------------
                                            Name:  Stuart S. Richardson
                                            Title: General Partner

<PAGE>
            PIEDMONT HARBOR-PIEDMONT ASSOCIATED LIMITED PARTNERSHIP

                APPOINTMENT OF AGENT BY MANAGING GENERAL PARTNER


                  WHEREAS, the undersignee, Lunsford Richardson, Jr. is the duly
appointed Managing Partner (the "Managing Partner") of Piedmont Harbor-Piedmont
Associates Limited Partnership (the "Partnership"); and

                  WHEREAS, under the terms of the Agreement of Limited
Partnership relating to the Partnership, the undersigned is authorized to employ
agents to perform any of his powers and authority under the Agreement of Limited
Partnership; and

                  WHEREAS, the Managing Partner deisres to appoint such agency;

                  NOW, THEREFORE, the managing Partner hereby appoints Stuart
Smith Richardson, a General Partner of the Partnership, as his agent for the
purpose of dealing with any and all shares of capital stock of Vanguard Cellular
Systems, Inc. (the "Shares") owned by the Partnership, including without
limitation voting the Shares, selling the Shares for whatever price he deems
appropriate, and entering into agreements and options with respect to the
foregoing. This authority is unlimited and includes the authority to vote or to
sell the Shares in connection with any merger, sale of assets, or simlar
transaction undertaken by Vanguard Cellular Systems, Inc.

                  IN WITNESS WHEREOF, the undersigned has executed this document
pursuant to Section 2 of Article 4 of the Agreement of Limited Partnership, this
30th day of September, 1998.




                             /s/ Lansford Richardson, Jr.
                            --------------------------------------
                             Lansford Richardson, Jr., Managing General Partner
                                             


<PAGE>

                                                                       EXHIBIT A

                                   STOCKHOLDER


                                    
                                  Number of Shares of                          
         Name                       Common Stock               Type of Ownership
         ----                       ------------               -----------------

Piedmont Associates Limited          1,308,917                    Beneficial








<PAGE>

                                                                       EXHIBIT B



                                  FORM OF PROXY


                  The undersigned stockholder, for consideration received,
hereby appoints [PARENT DESIGNEES] and each of them as my proxies, with full
power of substitution in each of them, to cast on behalf of the undersigned all
votes entitled to be cast by the holder of the shares of Class A Common Stock,
par value $0.01 per share, of Vanguard Cellular Systems, Inc., a North Carolina
corporation (the "Company"), owned by the undersigned at the Special Meeting of
Stockholders of the Company to be held [DATE, TIME AND PLACE] and at any
adjournment thereof (i) "FOR" approval and adoption of the Agreement and Plan of
Merger, dated as of October 2, 1998, between the Company and AT&T Corp., a New
York corporation ("Parent"), providing for the merger (the "Merger") of the
Company with and into a wholly-owned subsidiary of Parent, and the Merger and
(ii) "AGAINST" against any proposal or offer with respect to a merger,
reorganization, share exchange, consolidation, business combination,
recapitalization, liquidation, dissolution or similar transaction involving, or
any purchase of any substantial portion of the assets of, or any equity
securities of, or any transaction that would involve the transfer or potential
transfer of control of, the Company other than the Merger and any proposed
action or transaction that would prevent or intentionally delay consummation of
the Merger or is otherwise inconsistent therewith. This proxy is coupled with an
interest and is irrevocable until such time as the Voting Agreement, dated as of
October 2, 1998, between a certain stockholder of the Company, the undersigned,
and Parent terminates in accordance with its terms.

                                        Dated _____________________, 1998



                                        --------------------------------
                                             (Signature of Stockholder)





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