ALLEN & CO INC/ALLEN HOLDING INC
SC 13D, 2000-03-06
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934

                        VoiceStream Wireless Corporation

                                (Name of Issuer)


                                  Common Stock

                         (Title of Class of Securities)


                                    928615103
                     --------------------------------------
                                 (CUSIP Number)


                                Richard L. Fields
                        c/o Allen & Company Incorporated
                                711 Fifth Avenue
                               New York, NY 10022
                                 (212) 832-8000

            (Name, address and telephone number of person authorized
                     to receive notices and communications)

                                February 25, 2000
                     --------------------------------------
             (Date of Event which requires Filing of this Statement)

If a filing person has previously  filed a statement on Schedule 13G to report
the acquisition which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

Note:  Six copies of this statement, including all exhibits, should be filed
with the Commission.  See Rule 13d-1(a) for other parties to whom copies are to
be sent


<PAGE>


- --------------------
CUSIP NO. 928615103
- --------------------

- -------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Richard L. Fields
- -------------------------------------------------------------------------------
 2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a)  [  ]
                                                           (b)  [X ]
- -------------------------------------------------------------------------------
 3.      SEC USE ONLY
- -------------------------------------------------------------------------------
 4.      SOURCE OF FUNDS
         N/A
- -------------------------------------------------------------------------------
 5.      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
                                                           [  ]
- -------------------------------------------------------------------------------
 6.      CITIZENSHIP OR PLACE OF ORGANIZATION
         U.S.A.
- -------------------------------------------------------------------------------
                           7.       SOLE VOTING POWER
  NUMBER OF                         *
    SHARES                -----------------------------------------------------
BENEFICIALLY               8.       SHARED VOTING POWER
  OWNED BY
    EACH                  -----------------------------------------------------
 REPORTING                 9.       SOLE DISPOSITIVE POWER
   PERSON                           *
    WITH                  -----------------------------------------------------
                           10.      SHARED DISPOSITIVE POWER

                          -----------------------------------------------------

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
         PERSON

         *
- -------------------------------------------------------------------------------
12.      CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES
                                                         [  ]
- -------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         *
- -------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON

         IN
- -------------------------------------------------------------------------------
* The number of shares owned by the reporting  person is based on an election in
connection  with  the  merger  between  Omnipoint  Corporation  and  VoiceStream
Wireless Corporation.  Such election does not become final until a later date so
the number is not determinable at this time.


<PAGE>


- --------------------
CUSIP NO. 928615103
- --------------------

- -------------------------------------------------------------------------------
 1.NAME OF REPORTING PERSON - S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Allen & Company Incorporated
- -------------------------------------------------------------------------------
 2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                              (a)  [  ]
                                                              (b)  [ X]
- -------------------------------------------------------------------------------
 3.      SEC USE ONLY
- -------------------------------------------------------------------------------
 4.      SOURCE OF FUNDS
         N/A
- -------------------------------------------------------------------------------
 5.      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS
         REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)
                                                                   [  ]
- -------------------------------------------------------------------------------
 6.      CITIZENSHIP OR PLACE OF ORGANIZATION
         N/A
- -------------------------------------------------------------------------------
                           7.       SOLE VOTING POWER
  NUMBER OF                         *
    SHARES                 ----------------------------------------------------
BENEFICIALLY               8.       SHARED VOTING POWER
  OWNED BY
    EACH                   ----------------------------------------------------
 REPORTING                 9.       SOLE DISPOSITIVE POWER
   PERSON                           *
    WITH                   ----------------------------------------------------
                           10.      SHARED DISPOSITIVE POWER

                           ----------------------------------------------------

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         *
- ------------------------------------------------------------------------
12.      CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES
                                                            [  ]
- ------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         *
- ------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON
         BD
- ------------------------------------------------------------------------
* The number of shares owned by the reporting  person is based on an election in
connection  with  the  merger  between  Omnipoint  Corporation  and  VoiceStream
Wireless Corporation.  Such election does not become final until a later date so
the number is not determinable at this time.




<PAGE>


                  Item 1.  Security and Issuer.
                           -------------------

                  This  statement on Schedule  13D relates to the common  stock,
$.001 par value (the "Common Stock"),  of VoiceStream  Wireless  Corporation,  a
Delaware  corporation (the "Company").  The principal  executive  offices of the
Company are located at 3650 131st Avenue SE, Bellevue, Washington 98006.

                  Item 2.  Identity and Background.
                           -----------------------

                  (a)      NAME OF PERSONS FILING (the "Filing Persons"):

                  Richard L. Fields
                  Allen & Company Incorporated
                  711 Fifth Avenue
                  New York, NY  10022

                  (b)      ADDRESS OF PRINCIPAL BUSINESS AND PRINCIPAL OFFICE:

                  For each Filing Person:

                  c/o Allen & Company Incorporated
                  711 Fifth Avenue
                  New York, NY  10022

                  (c)      PRINCIPAL BUSINESS:

                  Mr.  Fields  is  a  Managing   Director  of  Allen  &  Company
Incorporated,  an investment  bank and  broker-dealer  with offices at 711 Fifth
Avenue, New York, NY 10022.

                  (d) WHETHER  DURING LAST FIVE YEARS,  ANY SUCH PERSON HAS BEEN
CONVICTED IN A CRIMINAL  PROCEEDING  (EXCLUDING  TRAFFIC  VIOLATIONS  OR SIMILAR
MISDEMEANORS)  AND,  IF SO,  GIVE THE  DATES,  NATURE  OF  CONVICTION,  NAME AND
LOCATION OF COURT, ANY PENALTY IMPOSED, OR OTHER DISPOSITION OF THE CASE:

                  During the past five  years,  none of the Filing  Persons  has
been convicted in a criminal proceeding (excluding traffic violations or similar
misdemeanors).

                  (e) WHETHER DURING THE LAST FIVE YEARS,  ANY SUCH PERSON WAS 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;  AND, IF SO,  IDENTIFY  AND DESCRIBE  SUCH
PROCEEDINGS AND SUMMARIZE THE TERMS OF SUCH JUDGMENT, DECREE OR FINAL ORDER:

                  During the past five  years,  none of the Filing  Persons  has
been a party to a civil  proceeding  of a  judicial  or  administrative  body of
competent  jurisdiction  as a result of which such person was or is subject to a
judgment,  decree or final order enjoining future  violations of, or prohibiting
or mandating  activity  subject to, federal or state  securities laws or finding
any violation with respect to such laws.

                  (f)      CITIZENSHIP:

                  Mr. Fields is a citizen of the United States of America.

                  Item 3.  Source and Amount of Funds or Other Consideration.
                           -------------------------------------------------

                  On February 25, 2000,  pursuant to the  requisite  approval of
the  shareholders  of each of  VoiceStream  Wireless  Corporation,  a Washington
corporation   ("VWC"),  and  Omnipoint   Corporation,   a  Delaware  corporation
("Omnipoint"),  wholly-owned subsidiaries of the Company merged into each of VWC
and  Omnipoint  (such  events  being  referred  to  herein  collectively  as the
"Merger"). As a result of the Merger, (a) shareholders of VWC received one share
of Common  Stock for each  share of common  stock of VWC that they  owned at the
time of the Merger and (b)  shareholders  of Omnipoint  were given the choice of
electing to receive for each share of Omnipoint  Common Stock that they owned at
the time of the Merger either (i) the standard election,  which consists of .825
of a share of Common  Stock  plus  $8.00 in cash,  (ii) the all  stock  election
whereby they would ask to receive a number of shares of Common Stock  determined
in accordance with the Merger agreement,  or (iii) the all cash election whereby
they would ask to receive  all cash  determined  in  accordance  with the Merger
agreement.  Under  the  terms of the  Merger,  there is a fixed  number of total
shares of Common  Stock and a fixed  amount of total cash that the Company  will
issue  and pay to  holders  of  Omnipoint  common  stock.  Accordingly,  persons
electing the all stock or all cash election  might receive a mix of Common Stock
and cash.

                  Item 4.  Purpose of the Transaction.
                           --------------------------

                  The  acquisitions  of Common Stock by the Filing  Persons were
made for investment purposes only.

                  None of the Filing Persons has any present plans or intentions
which  would  result  in or  relate  to  any of the  transactions  described  in
subparagraphs  (a) through (j) of Item 4 of Schedule  13D;  however,  the Filing
Persons  have entered into the Voting  Agreement  described  under Item 6 below.
Each of the Filing Persons, however, expects to evaluate on an ongoing basis the
Company's financial condition,  business,  operations and prospects,  the market
price of the Common  Stock,  conditions  in the  securities  markets  generally,
general economic and industry  conditions and other factors.  The Filing Persons
may  purchase  additional  shares of Common  Stock or may sell  shares of Common
Stock  from time to time in  public  or  private  transactions  (subject  to any
applicable  limitations  imposed  on the sale of any of their  shares  of Common
Stock by the Securities Act of 1933, as amended).

                  Item 5.  Interest in Securities of the Issuer.
                           ------------------------------------

                  (a)      AGGREGATE NUMBER AND PERCENTAGE OF SECURITIES
                           BENEFICIALLY OWNED:

                  The aggregate number and percentage of securities beneficially
owned by the  Filing  Persons is based on an  election  in  connection  with the
merger  between  Omnipoint  and VWC. Such election does not become final until a
later date so the number is not determinable at this time.

                  (b)      NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS POWER
                           TO VOTE:

                  Mr. Fields has sole voting and  investment  power with respect
to the shares held by him, and Allen & Company  Incorporated has sole voting and
investment power with respect to the shares held by it.

                  (c)      TRANSACTIONS EFFECTED DURING THE PAST 60 DAYS OR
                           SINCE THE MOST RECENT FILING ON SCHEDULE 13D,
                           WHICHEVER IS LESS:

                  On February 25, 2000, the Merger was  consummated.  Beneficial
ownership of the Common Stock was acquired by the Filing Persons pursuant to the
Merger,  in which they  received  shares of Common  Stock in exchange  for their
shares  of stock in VWC  and/or  Omnipoint.  No  consideration  was paid for the
acquisition of shares of Common Stock pursuant to the Merger.

                  (d) To the best  knowledge  of each  Filing  Person,  no other
person is known to have the right to receive or the power to direct the  receipt
of dividends from, or the proceeds from the sale of the Common Stock.

                  (e)      Not applicable.

                  Item 6. Contracts,  Arrangements,  Understandings or
                          Relationships  Involving  Securities of the Issuer.
                          ----------------------------------------------------

                  The Company, the Filing Persons and certain other persons have
entered  into  an  agreement,  dated  as  of  February  25,  2000  (the  "Voting
Agreement"). Pursuant to the Voting Agreement, the Filing Persons have agreed to
vote  their  shares  of  Common  Stock  for the  election  of a board  initially
consisting of 16 members,  subject to  adjustments,  designated as follows:  (i)
John W. Stanton,  as long as he is the chief  executive  officer of the Company;
(ii) one member designated by Mr. Stanton,  so long as he or entities affiliated
with him beneficially own at least 4,500,000 shares of Common Stock;  (iii) four
members  designated by Hutchison PCS (USA) Limited and its affiliated  entities,
which number of designees  shall be subject to increases or decreases  depending
upon  increases or reductions in Hutchison PCS (USA)'s  percentage  ownership of
outstanding Common Stock, including shares of Common Stock issuable to Hutchison
PCS (USA) upon  conversion of the Company's 2.5%  Convertible  Junior  Preferred
Stock; (iv) one member  designated by Goldman,  Sachs & Co., Inc. and affiliated
entities,  so long as the  Goldman  Sachs  entities  beneficially  own at  least
4,500,000  shares of Common  Stock;  (v) four members who were on the  Omnipoint
board prior to the Merger and who are  selected by Omnipoint to serve during the
period  from the closing of the Merger  until and  including  the second  annual
meeting of  stockholders  of the Company  taking  place after the closing of the
Merger (the  designees of Omnipoint are initially  Douglas G. Smith,  Richard L.
Fields,  James N. Perry,  Jr., and James J. Ross), (vi) one member designated by
Sonera Corporation and its affiliated  entities,  so long as the Sonera entities
beneficially  own at least 4,500,000  shares of Common Stock;  and the remaining
members of the board to be selected  by a majority  of the  persons  selected as
described above.

                  In addition,  the Voting Agreement  provides that in the event
of the consummation of the transactions  described in that certain Agreement and
Plan of  Reorganization,  dated  as of  September  17,  1999 (as the same may be
amended from time to time, the "Aerial Reorganization  Agreement"), by and among
VWC, the Company, VoiceStream Subsidiary III Corporation, a Delaware corporation
("Merger Sub"), Aerial Communications,  Inc., a Delaware corporation ("Aerial"),
and Telephone and Data Systems,  Inc., a Delaware corporation ("TDS"),  pursuant
to which,  among other  things,  Merger Sub is to be merged with and into Aerial
(such merger, together with the related transactions  contemplated by the Aerial
Reorganization   Agreement,   being   referred   to   herein   as  the   "Aerial
Reorganization"),  then TDS will  become a party to the  Voting  Agreement,  the
number of members of the board of  directors of the Company will be increased to
17, and TDS will be entitled to  designate a member so long as TDS owns at least
4,500,000 shares of Common Stock.  The Voting  Agreement  further provides that,
upon  completion of the Aerial  Reorganization,  if TDS owns more than 9,800,000
shares of Common  Stock and  Sonera  owns less than  4,500,000  shares of Common
Stock,  TDS will be  entitled  to  designate  two  members  to the  board of the
Company,  and if Sonera owns more than 9,800,000  shares of Common Stock and TDS
owns less than  4,500,000  shares of Common  Stock,  Sonera  will be entitled to
designate two members to the board of the Company.

                  The foregoing  description of the Voting  Agreement is subject
to, and qualified in its entirety by reference to, the agreement, which is filed
as Exhibit 1 hereto and incorporated by reference into this Item 6.




                  Item 7.  Material To be Filed as Exhibits.
                           --------------------------------
     1.  Voting  Agreement,  dated  as  of  February  25,  2000,  by  and  among
VoiceStream Wireless Holding Corporation, John W. Stanton, Theresa E. Gillespie,
PN Cellular, Inc., The Stanton Family Trust, Stanton Communications Corporation,
GS Capital  Partners,  L.P., The Goldman Sachs Group,  Inc.,  Bridge Street Fund
1992, L.P., Stone Street Fund 1992, L.P., Hutchison  Telecommunications Holdings
(USA) Limited,  Hutchison  Telecommunications PCS (USA) Limited, Allen & Company
Incorporated,  Madison Dearborn  Capital  Partners,  L.P., James N. Perry,  Jr.,
Richard L.  Fields,  Avance  Capital,  Avance  Capital II,  Avance  Capital III,
Douglas and Gabriela Smith 1995 Family Trust,  Douglas G. Smith,  James J. Ross,
Elizabeth G. Ross U/T/A,  dated March 4, 1994,  David G. Ross U/T/A,  dated June
18, 1997, Sonera Corporation and Sonera Holding, B.V.



<PAGE>




                                    SIGNATURE

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

Dated: March 6, 2000


                          By:/s/ Richard L. Fields
                             _________________________
                          Richard L. Fields, in his individual capacity


                          ALLEN & COMPANY INCORPORATED
                          /s/ Mary Schuyler
                          ____________________________
                          Name:Mary Schuyler
                          Title:Vice President





<PAGE>


                                  Exhibit Index


     1.  Voting  Agreement,  dated  as  of  February  25,  2000,  by  and  among
VoiceStream Wireless Holding Corporation, John W. Stanton, Theresa E. Gillespie,
PN Cellular, Inc., The Stanton Family Trust, Stanton Communications Corporation,
GS Capital  Partners,  L.P., The Goldman Sachs Group,  Inc.,  Bridge Street Fund
1992, L.P., Stone Street Fund 1992, L.P., Hutchison  Telecommunications Holdings
(USA) Limited,  Hutchison  Telecommunications PCS (USA) Limited, Allen & Company
Incorporated,  Madison  Dearborn  Capital  Partners,  L.P.,  James N. Perry, Jr,
Richard L.  Fields,  Avance  Capital,  Avance  Capital II,  Avance  Capital III,
Douglas and Gabriela Smith 1995 Family Trust,  Douglas G. Smith,  James J. Ross,
Elizabeth G. Ross U/T/A,  dated March 4, 1994,  David G. Ross U/T/A,  dated June
18, 1997, Sonera Corporation and Sonera Holding, B.V.







<PAGE>






                                VOTING AGREEMENT

                  VOTING  AGREEMENT,   dated  as  of  February  25,  2000  (this
"Agreement"),  by and among VOICESTREAM WIRELESS HOLDING CORPORATION, a Delaware
corporation ("VoiceStream Holdings"), and the individuals and entities set forth
on  Schedule  I  hereto   (each,   a   "Stockholder"   and   collectively,   the
"Stockholders").

                  WHEREAS,   Omnipoint   Corporation,   a  Delaware  corporation
("Omnipoint"),   VoiceStream  Wireless  Corporation,  a  Washington  corporation
("VoiceStream") and VoiceStream Holdings are parties to an Agreement and Plan of
Reorganization,  dated as of June 23, 1999, (as the same has been amended or may
hereafter  be  amended  from  time  to  time,  the   "Omnipoint   Reorganization
Agreement") pursuant to which, among other things,  wholly owned subsidiaries of
VoiceStream  Holdings  will be  merged  with  and  into  each of  Omnipoint  and
VoiceStream (such mergers,  together with the related transactions  contemplated
by the Omnipoint Reorganization Agreement, being referred to herein collectively
as the "Omnipoint Reorganization");

                  WHEREAS,  each  Stockholder  is the  Beneficial  Owner  of the
number of shares of VoiceStream  Holdings  Common Stock (the "Shares") set forth
opposite such Stockholder's name in Schedule I hereto;

                  WHEREAS,  VoiceStream  and  certain  of the  Stockholders  are
parties  to that  certain  Voting  Agreement,  dated May 3, 1999 (the  "Original
Voting Agreement");

                  WHEREAS,   as  a  condition  to  consummating   the  Omnipoint
Reorganization,  the parties to the  Original  Voting  Agreement  have agreed to
terminate the Original Voting Agreement and enter into this Agreement;

                  WHEREAS,   VoiceStream,   VoiceStream  Holdings,   VoiceStream
Subsidiary  III  Corporation,  a Delaware  corporation  ("Merger  Sub"),  Aerial
Communications,  Inc., a Delaware corporation ("Aerial"), and Telephone and Data
Systems,  Inc., a Delaware  corporation ("TDS"), are parties to an Agreement and
Plan of  Reorganization,  dated  as of  September  17,  1999 (as the same may be
amended from time to time, the "Aerial  Reorganization  Agreement")  pursuant to
which, among other things, Merger Sub is to be merged with and into Aerial (such
merger,  together  with the  related  transactions  contemplated  by the  Aerial
Reorganization   Agreement,   being   referred   to   herein   as  the   "Aerial
Reorganization");

                  WHEREAS,  upon the consummation of the Aerial  Reorganization,
it is contemplated  that TDS will execute an agreement  whereby it will become a
party to this  Agreement  as a  Stockholder  and, if TDS does so execute such an
agreement,  the term Stockholder will for all purposes of this Agreement include
TDS; and

                  WHEREAS,  Sonera Corporation (formerly Sonera Ltd.) ("Sonera")
is  a  substantial  investor  in  Aerial  and,  concurrent  with  the  Omnipoint
Reorganization,  will invest $500 million into VoiceStream  Holdings through its
Subsidiary,  Sonera  Holding,  B.V.  For  purposes  of  this  Agreement,  Sonera
Corporation and Sonera Holding, B.V., shall be deemed a single Stockholder.

                  NOW  THEREFORE,  in  consideration  of the  foregoing  and the
mutual  covenants and agreements  set forth herein,  the parties hereto agree as
follows:

     Section 1. Definitions. As used in this Agreement, the following terms have
the meanings set forth below:

                  "Beneficially  Own" has the meaning set forth in Rule 13d-3 of
the rules and regulations promulgated under the Securities Exchange Act of 1934,
as amended;  except that no broker or dealer or any  affiliate  thereof shall be
deemed to Beneficially Own Shares, the beneficial ownership of which is acquired
in the ordinary course of the activities of a broker or dealer  registered under
Section 15 of the Securities  Exchange Act of 1934, as amended,  including,  but
not limited to, the acquisition of beneficial  ownership of such securities as a
result of any  market-making  or underwriting  activities  (including any Shares
acquired for the  investment  account of a broker or dealer in  connection  with
such  underwriting  activities),   or  the  exercise  of  investment  or  voting
discretion  authority over any of its customer  accounts,  or the acquisition in
good faith of such securities in connection with the enforcement of payment of a
debt previously contracted.

                  "Board" means the Board of Directors of VoiceStream Holdings.

                  "BSF" means Bridge Street Fund 1992, L.P., a Delaware limited
partnership.

                  "Business  Day" means a day other than a  Saturday,  Sunday or
other day on which commercial banks in New York City, Hong Kong or Seattle,
Washington are authorized or required by law to close.

                  "GS" means The Goldman Sachs Group, Inc., a Delaware
corporation.

                  "GSC" means BSF, GS, GSCP and SSF.

                  "GSCP" means GS Capital Partners, L.P., a Delaware limited
partnership.

                  "HTL"   means Hutchison Telecommunications Limited, a
corporation organized under the laws of Hong Kong.

                  "Hutchison" means Hutchison Holdings and Hutchison PCS.

                  "Hutchison   Holdings"  means   Hutchison   Telecommunications
Holdings (USA) Limited, a British Virgin Islands corporation.

                   "Hutchison PCS" means Hutchison  Telecommunications PCS (USA)
Limited, a British Virgin Islands corporation.

                  "Immediate  Family"  means an  individual's  spouse,  children
(including adopted children), grandchildren and parents.

                  "Percentage  Ownership"  means,  as to  any  Stockholder,  the
aggregate  percentage  of the  outstanding  Shares  Beneficially  Owned  by such
Stockholder,  including  for this  purpose,  Shares  Beneficially  Owned by such
Stockholder's Permitted Affiliate Transferees.

                  "Permitted Affiliate Transferee" means (i) with respect to any
Stockholder  who is a natural  Person,  any  member of such  Person's  Immediate
Family, or any trust for the benefit of, or a partnership all of the partners of
which are, such Person and/or any member of such Person's Immediate Family; (ii)
with respect to any  Stockholder  which is a limited  partnership (a) any Person
that, as of May 13, 1996,  was the sole general  partner of such  Stockholder or
was the sole general partner of the sole general partner of such Stockholder, or
(b) another limited partnership which has a sole general partner, the control of
which sole general partner is held, directly or indirectly, by five (5) or fewer
natural  Persons,  provided such natural  Persons had control at May 13, 1996 of
the sole general partner of such  Stockholder;  (iii) with respect to Hutchison,
(w) HTL,  (x) any  Subsidiary  of HTL,  or (y) any other  entity  acceptable  to
Stockholders  (other than  Hutchison  and its Permitted  Affiliate  Transferees)
holding at least a majority of the Shares owned by all Stockholders  (other than
Hutchison and its Permitted  Affiliate  Transferees) in which HTL owns, directly
or indirectly, more than 40% of the outstanding voting power, or (z) in the case
of any  Person  referred  to in clause  (w),  (x) or (y),  Hutchison;  (iv) with
respect to Sonera,  any  Subsidiary of Sonera or any other entity  acceptable to
Stockholders  (other than Sonera and its  Permitted  Affiliate  Transferees)  in
which  Sonera owns,  directly or  indirectly,  more than 40% of the  outstanding
voting  power and of which  Sonera and its  Subsidiaries  are  collectively  the
largest  shareholder;  and (v) with respect to TDS, any Subsidiary of TDS or any
other  entity  acceptable  to  Stockholders  (other  than TDS and its  Permitted
Affiliate Transferees) in which TDS owns, directly or indirectly,  more than 40%
of the  outstanding  voting  power  and of which  TDS and its  Subsidiaries  are
collectively the largest shareholder. For purposes of this definition, "control"
shall mean ownership of at least 51% of the equity interest in, and at least 51%
of the voting  power on all  matters in, an entity or, if  applicable,  the sole
general partner of such entity.

                  "Person"  means  an  individual,   corporation,   association,
partnership, trust or estate, an unincorporated organization, a joint venture, a
government or any agency or political  subdivision  thereof, or any other entity
of whatever nature.

                  "Qualified Sonera Designee" means an individual  designated by
Sonera,  provided that VoiceStream Holdings shall have the right to approve such
designee,  which approval shall not be  unreasonably  withheld,  so long as such
individual's  membership  on the Board  shall not  cause  any  violation  of any
federal anti-trust law or any other federal or state law.

                   "Qualified  TDS Designee"  means an individual  who is not an
officer,  director,  management  level  employee or affiliate (as defined in the
Securities  Exchange  Act of 1934) of TDS,  or of any Person in which TDS or any
affiliate of TDS has an  "attributable  interest" (as defined by applicable  FCC
rules and  regulations)  designated  by TDS provided that  VoiceStream  Holdings
shall  have the right to  approve  the  designee,  which  approval  shall not be
unreasonably withheld.

                  "Sonera" means Sonera Corporation, a limited liability company
organized  under  the  laws  of  Finland,  and  its  wholly-owned  Subsidiaries,
including  Sonera  Holding,  B.V.,  a  company  organized  under the laws of the
Netherlands.

                  "Sonera  Investor  Agreement"  means the  Investor  Agreement,
dated as of  September  17,  1999,  among Sonera  Corporation,  VoiceStream  and
VoiceStream Holdings.

                  "SSF" means Stone Street Fund 1992, L.P., a Delaware limited
partnership.

                  "Subsidiary" means, as to any Person,  another Person which is
an entity as to which such Person owns more than 50% of the  outstanding  voting
power.

                  "Transfer" means any sale, assignment,  pledge, hypothecation,
gift or other transfer, disposition or encumbrance of any interest (and includes
an exchange of Shares in a merger, consolidation or similar transaction).

Section 2. Termination of Voting  Agreements.  The Original Voting Agreement and
Sections  6(a) and  6(b) of the  Sonera  Investor  Agreement  automatically  and
without  further action by any Person shall each be terminated and of no further
force or effect upon the effectiveness of this Agreement.

Section 3.        Agreement to Vote by Stockholders.
- ---------------------------------------------------

(1) Each Stockholder (and its Permitted Affiliate  Transferees) hereby agrees to
vote (or cause to be voted)  all  Shares,  and any other  voting  securities  of
VoiceStream  Holdings,  then  Beneficially  Owned by such  Stockholder  (whether
issued  heretofore or hereafter) that such  Stockholder owns or has the right to
vote,  in person or by proxy (and shall take all other  necessary  or  desirable
actions  within such  Stockholder's  (or its Permitted  Affiliate  Transferees')
control,  including attendance at meetings in person or by proxy for purposes of
obtaining a quorum and execution of written  consents in lieu of  meetings),  in
favor of the election and  continuation in office of the following  sixteen (16)
(or, upon  completion of the Aerial  Reorganization,  seventeen (17)) members of
the Board  (subject  to  adjustments  to such number of  directors,  as provided
below):

(1)      John Stanton, as long as he is the chief executive officer of
VoiceStream Holdings;

(2)      One (1) member designated by John Stanton, so long  as he or his
Permitted  Affiliate  Transferees Beneficially Own at least 4,500,000 Shares;

(3)      Four (4) members designated by Hutchison PCS (or if  Hutchison  PCS has
Transferred  all of its Shares to Permitted  Affiliate  Transferees of Hutchison
PCS,  four  (4)  designees  of such  Permitted  Affiliate  Transferees)  and its
affiliated  entities.  Such number of designees shall be subject to increases or
decreases  (rounded to the nearest  whole number and subject to Section  3(a)(C)
hereof)  depending  upon  increases or  reductions  in Hutchison  PCS's (and its
Permitted Affiliate  Transferees')  Percentage  Ownership of outstanding Shares,
including without limitation Shares issuable to Hutchison PCS (and its Permitted
Affiliate  Transferees) upon conversion of the 2.5% Convertible Junior Preferred
Stock,  without par value, of VoiceStream  Holdings,  purchased by Hutchison PCS
pursuant to that certain Stock  Subscription  Agreement  dated June 23, 1999, by
and among VoiceStream Holdings,  HTL and Hutchison PCS. Hutchison PCS shall have
the right to  designate  additional  members (the Board shall be expanded by one
(1) member to accommodate  each such new designee  unless there are vacancies on
the Board and the Board determines to fill any vacancies with such designees) so
that the percentage of the entire Board represented by Hutchison PCS's designees
(rounded to the nearest whole number) shall be  proportionate to Hutchison PCS's
(and its Permitted Affiliate Transferees') aggregate Percentage Ownership;

(4)    One (1) member designated by GSC and its Permitted Affiliate Transferees,
so long as such entities Beneficially Own at least 4,500,000 Shares;

(5)    Four (4) members who were on the Board of Directors of Omnipoint  prior
to the Omnipoint  Reorganization and who are selected by Omnipoint to serve (the
following  persons have been  designated  by  Omnipoint  to serve as  directors:
Douglas G. Smith, Richard L. Fields, James N. Perry, Jr. and James J. Ross; such
Persons being collectively referred to as the "Omnipoint  Designees") during the
period from the closing of the Omnipoint  Reorganization until and including the
second annual meeting of stockholders of VoiceStream Holdings taking place after
the closing of the Omnipoint  Reorganization (it being understood that such four
(4) members  shall serve until such time as the term of office of the  directors
elected at such second annual meeting terminates);

(6)   One (1) Qualified Sonera Designee designated by Sonera and its Permitted
Affiliate  Transferees  so long  as  such  entities  Beneficially  Own at  least
4,500,000  Shares;  provided,  however,  that if the  Aerial  Reorganization  is
consummated  and Sonera  Beneficially  Owns more than  9,800,000  Shares and TDS
Beneficially  Owns less than 4,500,000  Shares,  the number of Qualified  Sonera
Designees that Sonera will be entitled to designate will be two (2);

(7) If the Aerial Reorganization is consummated and TDS and VoiceStream Holdings
execute  the  agreement  in the form  attached  hereto as Exhibit A whereby  TDS
becomes  a party to this  Agreement  as a  Stockholder,  one (1)  Qualified  TDS
Designee  designated by TDS and its Permitted  Affiliate  Transferees so long as
such entities  Beneficially Own at least 4,500,000  Shares,  such director to be
appointed to the Board by action of the Board by the later of (x) the closing of
the Aerial  Reorganization  or (y) promptly after TDS designates a Qualified TDS
Designee;  provided,  however, that if TDS Beneficially Owns more than 9,800,000
Shares and Sonera  Beneficially Owns less than 4,500,000  Shares,  the number of
Qualified TDS Designees  that TDS will be entitled to designate will be two (2);
and

(8) The  remaining  members of the Board as selected  by a majority  vote of the
persons selected as described in subsections (i) through (vii) above.

                  No  designee  to the  Board  shall be  removed  from the Board
(except  removal for cause under  applicable law) without the written consent of
the  Stockholder or group of  Stockholders  that has the right to designate such
Person  to the Board  (or,  if such  Stockholder  or group of  Stockholders  has
Transferred  all of their  Shares to  Permitted  Affiliate  Transferees  of such
Stockholder or group of  Stockholders,  without the written consent of Permitted
Affiliate  Transferees  holding a majority  of the  Shares  owned by all of such
Permitted Affiliate  Transferees),  or, in the case of the Omnipoint  Designees,
without the consent of a majority of the Board of Directors of Omnipoint as such
Board of Directors  existed  immediately  prior to the Omnipoint  Reorganization
(the "Old Omnipoint  Board").  Any Stockholder or group of Stockholders  (or, if
such Stockholder or group of Stockholders has Transferred all of their Shares to
Permitted  Affiliate  Transferees of such  Stockholder or group of Stockholders,
Permitted Affiliate Transferees holding a majority of the Shares owned by all of
such  Permitted  Affiliate  Transferees)  or,  in  the  case  of  the  Omnipoint
Designees,  a  majority  of the Old  Omnipoint  Board,  that  has the  right  to
designate  any  member(s)  of the  Board  shall  have the right to  replace  any
member(s)  so  designated  by it (whether or not such member is removed from the
Board with or  without  cause or ceases to be a member of the Board by reason of
death,  disability or for any other reason) upon written  notice to  VoiceStream
Holdings  and the other  members of the Board,  which notice shall set forth the
name of the member(s) being replaced and the name of the new member(s).  Each of
the Stockholders (and each of their respective Permitted Affiliate  Transferees)
agrees  that  it will  vote,  or  cause  to be  voted,  all of the  Shares  then
Beneficially  Owned by it (whether now owned or hereafter  acquired ), in person
or by proxy (and shall take all other necessary or desirable actions within such
Stockholder's  (or its  Permitted  Affiliate  Transferees's)  control  including
attendance  at meetings in person or by proxy for purposes of obtaining a quorum
and  execution  of written  consents in lieu of  meetings),  so as to cause,  if
necessary,  the  removal of the  existing  director  previously  elected by such
Stockholders (and its Permitted Affiliate Transferees), or previously designated
by Omnipoint (in the case of the original Omnipoint  Designees) or by a majority
of the Old Omnipoint Board (if the Old Omnipoint Board  designates a replacement
for an  Omnipoint  Designee,  such  replacement  shall for all  purposes of this
Agreement be an Omnipoint Designee), and the election and continuation in office
of any successor director  designated by any of the Stockholders (or any of such
Stockholder's  Permitted Affiliate  Transferees)  pursuant to this Section 3(a).
Notwithstanding the foregoing,

                           (A)      if at any time GSC (and its Permitted
Affiliate  Transferees) shall cease to Beneficially Own at least 4,500,000
Shares, then in such event, GSC (or, if GSC has Transferred all of its Shares
to Permitted Affiliate Transferees of GSC, its Permitted  Affiliate
Transferees) shall not be entitled to designate any member of the Board;

                           (B)      if at any time John Stanton (and his
Permitted  Affiliate  Transferees)  shall cease to Beneficially Own at least
4,500,000  shares,  then in such event,  John Stanton  (or, if John  Stanton has
Transferred  all of his Shares to  Permitted Affiliate  Transferees  of John
Stanton,  his Permitted  Affiliate  Transferees) shall not be entitled to
designate  any member of the Board (except that Stanton shall continue to serve
on the Board for so long as he holds the office of Chief Executive Officer of
VoiceStream Holdings);

                           (C)      if at any time Hutchison PCS (and its
     Permitted  Affiliate  Transferees) shall cease to Beneficially Own at least
(i)  9,800,000  Shares,  then  in such  event  Hutchison  PCS and its  Permitted
Affiliate  Transferees  shall be  entitled to  designate  only one member of the
Board;  and (ii)  4,500,000  Shares,  then in such event,  Hutchison PCS and its
Permitted Affiliate Transferees shall not be entitled to designate any member of
the Board.  In  addition,  if  Hutchison  PCS shall have  designated  additional
director(s) by reason of an increase in its Percentage Ownership as set forth in
Section 3(a)(iii) above, and at any time thereafter the Percentage  Ownership of
Hutchison PCS (and its Permitted Affiliate  Transferees) shall decrease, (i) the
number of designees Hutchison PCS (and its Permitted Affiliate  Transferees) are
entitled to  designate to the Board shall be reduced so that the  percentage  of
the entire Board  represented  by Hutchison  PCS's (and its Permitted  Affiliate
Transferees')   designees  (rounded  to  the  nearest  whole  number)  shall  be
proportionate  to Hutchison  PCS's (and its  Permitted  Affiliate  Transferees')
aggregate  Percentage  Ownership,  (ii) any members  designated by Hutchison PCS
(and its  Permitted  Affiliate  Transferees)  in excess of such number  shall be
removed  from the Board (any such  members to be  removed  to be  designated  by
Hutchison or, in the event that  Hutchison  fails to designate the members to be
removed,  by a majority of the members of the Board),  and (iii) the Board shall
be reduced in size by the number of members so removed;

                           (D)      if at any time Sonera (and its Permitted
     Affiliate  Transferees)  shall  cease  to  Beneficially  Own at  least  (i)
9,800,000  Shares  at a time  when  Sonera  is  entitled  to  designate  two (2)
directors,  then in such event, Sonera (or, if Sonera has Transferred all of its
Shares to Permitted  Affiliate  Transferees of Sonera,  its Permitted  Affiliate
Transferees)  shall be entitled to  designate  only one (1) member of the Board;
and (ii)  4,500,000  Shares,  then in such  event,  Sonera  (or,  if Sonera  has
Transferred all of its Shares to Permitted Affiliate  Transferees of Sonera, its
Permitted  Affiliate  Transferees) shall not be entitled to designate any member
of the Board;

                           (E)      if the Aerial Reorganization is consummated
     and TDS and VoiceStream  Holdings execute an agreement in the form attached
hereto  as  Exhibit  A  whereby  TDS  becomes  a party  to this  Agreement  as a
Stockholder,  and at any  time  thereafter  TDS  (and  its  Permitted  Affiliate
Transferees)  shall cease to Beneficially Own at least (i) 9,800,000 Shares at a
time when TDS is entitled to designate  two (2)  directors,  then in such event,
TDS  (or,  if TDS has  Transferred  all of its  Shares  to  Permitted  Affiliate
Transferees of TDS, its Permitted  Affiliate  Transferees)  shall be entitled to
designate only one (1) member of the Board; and (ii) 4,500,000  Shares,  then in
such  event,  TDS (or,  if TDS has  Transferred  all of its Shares to  Permitted
Affiliate Transferees of TDS, its Permitted Affiliate  Transferees) shall not be
entitled to designate any member of the Board;

                           (F)      Any vacancies on the Board created by reason
     of the provisions of  subsections  (A) through (E) above shall be filled by
the vote of a majority of the directors  then in office  (unless such  directors
determine  to reduce the size of the Board  after a vacancy is created) to serve
until the next annual meeting of  shareholders of VoiceStream  Holdings,  and at
the  next  annual  meeting  shall  be  filled  by a vote of a  plurality  of all
shareholders  of  VoiceStream  Holdings  (including the  Stockholders  and their
Permitted Affiliate Transferees);  provided, however, that in the event that the
size of the Board shall have  increased  by reason of  Hutchison  PCS having the
right to designate  additional  director(s)  and thereafter  Hutchison PCS shall
cease to have the right to so designate such additional director(s), the size of
the Board shall be appropriately  reduced and each of the Stockholders (and each
of their respective Permitted Affiliate  Transferees ) agrees that it will vote,
or cause to be voted, all of the Shares then  Beneficially  Owned by it (whether
now owned or  hereafter  acquired),  in person or by proxy (and,  shall take all
other necessary or desirable actions within such Stockholder's (or its Permitted
Affiliate Transferees') control including attendance at meetings in person or by
proxy for  purposes of obtaining a quorum and  execution of written  consents in
lieu of meetings), to cause such reduction in the Board.

                           (G)      Notwithstanding anything to the contrary
     contained  in this  Agreement,  Hutchison's  right to transfer its right to
designate directors to certain block transferees as set forth in Sections 14 and
15 of the  Shareholders  Agreement of VoiceStream  Wireless  Corporation,  dated
February 17, 1998, as amended, among Western Wireless Corporation,  a Washington
corporation,  VoiceStream  and Hutchison  PCS,  shall continue in full force and
effect  until  terminated  in  accordance  with the  terms of such  Shareholders
Agreement.

        (2)    Notwithstanding anything to the contrary herein, if a Stockholder
     shall  cease to have the  right to  designate  any  director  to the  Board
pursuant to this Agreement,  such Stockholder shall be released in full from all
obligations and shall cease to have any rights under this  Agreement;  provided,
however,  that at the time that the  Omnipoint  Designees no longer serve on the
Board and there is no further obligation to designate  Omnipoint Designees under
Section 3(a)(v) hereof, the following Persons shall be released in full from all
obligations  and shall cease to have any rights  under this  Agreement:  Allen &
Company  Incorporated,  Avance  Capital,  Avance Capital II, Avance Capital III,
Madison Dearborn Capital Partners,  L.P., James N. Perry, Jr., Douglas G. Smith,
Douglas G. Smith Grat,  Richard L. Fields,  James J. Ross and James J. Ross,  as
Trustee.

Section 4.        VoiceStream  Holdings and Stockholder Covenants.
- -----------------------------------------------------------------

(1)  VoiceStream  Holdings  hereby agrees to use all reasonable  efforts to give
effect  to the  provisions  of  Section 3 hereof.  In this  regard,  VoiceStream
Holdings shall, subject to the provisions of Section 3 hereof, duly nominate the
designees  set forth above,  or as may otherwise be designated by a party hereto
pursuant to the terms of Section 3 hereof,  for  election to the Board and shall
include in any proxy  solicitation  materials related to the election of members
of  the  Board  such  information  and  recommendations  of  the  Board  as  are
appropriate, in proxy solicitation materials.

(2) Each  Stockholder  shall vote the  Shares  then  Beneficially  Owned by such
Stockholder  at any  regular or special  meeting of the  Stockholders  or in any
written  consent  executed  in lieu of such a meeting  of  Stockholders  for the
election of such designees. VoiceStream Holdings and each Stockholder shall take
all other actions  necessary to ensure that the certificate of incorporation and
by-laws of  VoiceStream  Holdings or any successor  constituent  documents as in
effect  immediately  following  the date hereof do not, at any time  thereafter,
conflict in any respect with the provisions of this Agreement.

(3) At the closing of the Aerial  Reorganization,  TDS and VoiceStream  Holdings
shall  enter into the  agreement  attached  hereto  pursuant  to which TDS shall
become a party to this Agreement,  provided that nothing in this Agreement shall
in any way limit, amend or modify any of the terms or provisions of the Investor
Agreement to be entered into among TDS,  VoiceStream Holdings and VoiceStream at
such time.

Section 5. Representations and Warranties of VoiceStream  Holdings.  VoiceStream
Holdings represents and warrants to each Stockholder as follows: (i) it has full
power and authority to execute,  deliver and perform its obligations  under this
Agreement;  (ii) this Agreement and all  transactions  contemplated  hereby have
been duly and  validly  authorized  by all  necessary  action on its part,  this
Agreement  has been  duly  executed  and  delivered  by it,  and this  Agreement
constitutes  its  legal,  valid  and  binding  obligation   enforceable  against
VoiceStream  Holdings in accordance with its terms,  except as may be limited by
applicable bankruptcy, insolvency, reorganization,  moratorium and other similar
laws of  general  application  which may affect the  enforcement  of  creditors'
rights  generally  and by general  equitable  principles;  and (iii) neither the
execution, delivery or performance of this Agreement by it, nor the consummation
of the  transactions  contemplated  hereby  will,  with or without the giving of
notice or passage of time or both conflict with,  result in a default or loss of
rights (or give rise to any right of termination,  cancellation or acceleration)
under,  (A)  any  provision  of  the  certificate  of  incorporation,   by-laws,
partnership agreement or comparable constituent document of it, (B) any material
note, bond, indenture,  mortgage, deed of trust, contract,  agreement,  lease or
other  instrument  or  obligation  to  which it is a party or by which it or its
properties may be bound or affected or (C) any law, order, judgment,  ordinance,
rule,  regulation  or decree to which it is a party or by which it or any of its
properties are bound or affected.

Section 6.        Representations and Warranties of the Stockholders.
- --------------------------------------------------------------------

                  Each   Stockholder,   severally,   as  to  such   Stockholder,
represents and warrants to the other parties as follows:(i) such Stockholder has
full power and  authority  to execute,  deliver and perform  such  Stockholder's
obligations  under this  Agreement;  (ii) this  Agreement  and all  transactions
contemplated  hereby  have been duly and  validly  authorized  by all  necessary
action on such  Stockholder's  part,  this  Agreement has been duly executed and
delivered by such Stockholder, and this Agreement constitutes such Stockholder's
legal,  valid and binding  obligation  enforceable  against such  Stockholder in
accordance  with its terms,  except as may be limited by applicable  bankruptcy,
insolvency,  reorganization,  moratorium  and  other  similar  laws  of  general
application  which may affect the enforcement of creditors' rights generally and
by general  equitable  principles;  (iii)  neither  the  execution,  delivery or
performance of this Agreement by such  Stockholder,  nor the consummation of the
transactions  contemplated  hereby will, with or without the giving of notice or
passage of time or both conflict with, result in a default or loss of rights (or
give rise to any right of termination,  cancellation or acceleration) under, (A)
if  such  Stockholder  is  an  entity,  any  provision  of  the  certificate  of
incorporation, by-laws, partnership agreement or comparable constituent document
of such Stockholder,  (B) any material note, bond, indenture,  mortgage, deed of
trust,  contract,  agreement,  lease or other  instrument or obligation to which
such Stockholder is a party or by which such  Stockholder or such  Stockholder's
properties may be bound or affected or (C) any law, order, judgment,  ordinance,
rule, regulation or decree to which such Stockholder is a party or by which such
Stockholder or any of such Stockholder's  properties are bound or affected;  and
(iv) the Shares listed next to the name of such Stockholder on Schedule I hereto
are the only voting  securities of VoiceStream  Holdings  Beneficially  Owned by
such Stockholder.

Section 7.        Effectiveness  and Termination.  This Agreement shall be
                  effective as of the effectiveness of the
                  ------------------------------------------------
Omnipoint Reorganization and shall terminate upon the earliest to occur of any
of the following events:

(1) Upon  agreement by all  Stockholders  then  retaining the right to designate
directors  under this  Agreement  and, so long as Omnipoint  Designees are to be
designated or are serving  pursuant to Section 3(a)(v) hereof,  by the Omnipoint
Designees or the Old Omnipoint Board; or

(2) The filing by  VoiceStream  Holdings  of a  petition  in  bankruptcy  or the
expiration  of sixty (60) days after a petition  in  bankruptcy  shall have been
filed against VoiceStream  Holdings and such petition shall not have been stayed
or discharged during such sixty (60) day period; or upon the expiration of sixty
(60) days after the  commencement of any proceeding under any law for the relief
of  debtors  seeking  the  relief  or  readjustment  of  VoiceStream   Holdings'
indebtedness either through reorganization,  winding-up, extension or otherwise,
and such  proceedings  involving  VoiceStream  Holdings as debtor shall not have
been  vacated  or  stayed  within  such  sixty  (60)  day  period;  or upon  the
appointment of a receiver,  custodian or trustee for all or substantially all of
VoiceStream  Holdings'  property,  or the making of VoiceStream  Holdings of any
general assignment for the benefit of creditors,  or the admitting in writing by
VoiceStream  Holdings of its inability to pay its debts as they mature;  or upon
the voluntary or involuntary liquidation or dissolution of VoiceStream Holdings;
or

(3)      The Beneficial  Ownership of all of the Shares by only one Stockholder
 (including its Permitted Affiliate Transferees).

Upon such  termination,  except  for any rights any party may have in respect of
any breach by any other party of its or his obligations  hereunder,  none of the
parties hereto shall have any further obligation or liability hereunder.

Section 8.                   Miscellaneous.
                     -------------------------------

(1) This Agreement shall be binding upon and inure to the benefit of the parties
hereto  and their  Permitted  Affiliate  Transferees.  Each of the  Stockholders
hereby agrees that prior to any Transfer of any Shares to a Permitted  Affiliate
Transferee,  such Permitted Affiliate  Transferee shall execute a counterpart of
this  Agreement  agreeing to be bound by the  provisions of this  Agreement.  No
Transfer to a Permitted  Affiliate  Transferee  shall be  effective  unless such
Permitted Affiliate  Transferee has executed such counterpart of this Agreement.
Except as set forth  above with  respect to  Transfers  to  Permitted  Affiliate
Transferees,  nothing in this Agreement shall prohibit the Transfer of Shares by
any of the Stockholders.

(2) Each of the parties hereto acknowledges and agrees that, in the event of any
breach of this Agreement,  the non-breaching parties would be irreparably harmed
and  could  not be made  whole by  monetary  damages.  Accordingly,  each of the
parties hereto agrees that the other parties, in addition to any other remedy to
which they may be  entitled  at law or in equity,  shall be  entitled  to compel
performance of this Agreement pursuant to Section 8(m).

(3) The headings in this  Agreement  are for  convenience  only and shall not be
considered  a part  of or  affect  the  construction  or  interpretation  of any
provision of this Agreement.

(4) All notices,  requests,  demands and other communications hereunder shall be
in writing and shall be deemed to have been duly given if  delivered by same day
or next day (or equivalent  with respect to delivery  outside the United States)
courier (guaranteed delivery) or telex or facsimile (i) if to a Stockholder,  at
such  Stockholder's  address  appearing  on  Schedule  I hereto  or at any other
address  that such  Stockholder  may have  provided  in writing  to  VoiceStream
Holdings and the other  Stockholders then party to this Agreement and (ii) if to
VoiceStream  Holdings,  at 3650 131st  Avenue SE,  Bellevue,  Washington  98006,
U.S.A., Tel: 425-586-8014, Fax: 425-586-8080; Attention: Alan R. Bender, Esq. or
such  other  address  as   VoiceStream   Holdings  may  have  furnished  to  the
Stockholders  in writing,  with a copy (which  shall not  constitute  notice) to
Friedman  Kaplan & Seiler LLP, 875 Third Avenue,  New York, NY 10022,  USA, Tel:
212-833-1107,  Fax: 212-355-6401,  Attention: Barry A. Adelman, Esq. If a notice
hereunder is transmitted by confirmed fax so as to arrive during normal business
hours during a Business  Day at the place of receipt,  then such notice shall be
deemed to have been given on such Business Day at the place of receipt or, if so
transmitted  to arrive after normal  business hours during a Business Day at the
place of  receipt,  then such  notice  shall be deemed to have been given on the
following  Business  Day at the  place of  receipt.  If such  notice  is sent by
next-day  courier  or  equivalent,  it shall be deemed to have been given on the
third Business Day at the place of receipt following sending provided,  that the
date of  sending  shall be deemed to be the date at the place of  receipt at the
time such notice is posted.

(5) The provisions of this Agreement  shall apply,  to the full extent set forth
herein with respect to the Shares now or hereinafter  owned by each  Stockholder
(and  its  Permitted  Affiliate  Transferees),  to any  and  all  securities  of
VoiceStream Holdings or any successor or assign of VoiceStream Holdings (whether
by merger,  consolidation  or  otherwise)  that may be issued in respect  of, in
exchange  for, or in  substitution  of such Shares,  and shall be  appropriately
adjusted for any stock dividends,  stock splits,  reverse splits,  combinations,
recapitalizations and similar events occurring after the date hereof.

(6) Copies of this  Agreement will be available for inspection or copying by any
interested  Person at the offices of VoiceStream  Holdings through the Secretary
of VoiceStream Holdings. VoiceStream Holdings will otherwise take all actions as
may be necessary or  appropriate  to comply with any  applicable law relating to
the  validity and  enforceability  of  shareholders  agreements  containing  the
provisions of this Agreement.

(7) Except as expressly  provided  otherwise herein,  neither this Agreement nor
any provision hereof may be changed,  waived,  discharged or terminated  orally,
but only by an instrument in writing signed by VoiceStream  Holdings and each of
the  Stockholders.  The failure of any party hereto to give notice of the breach
or  non-fulfillment  of any  term or  condition  of  this  Agreement  shall  not
constitute   a  waiver   thereof,   nor  shall  the  waiver  of  any  breach  or
non-fulfillment  of any term or condition of this Agreement  constitute a waiver
of any other  breach or  non-fulfillment  of that term or condition or any other
term or condition of this Agreement.

(8) This  Agreement may be amended or modified at any time by a writing  setting
forth such  amendment or  modification,  signed by  VoiceStream  Holdings and by
Stockholders (or their Permitted Affiliate  Transferees) owning in the aggregate
at least  90% of the  Shares  owned by the  Stockholders  (and  their  Permitted
Affiliate Transferees); provided, however, that, unless such amendment is signed
by  VoiceStream  Holdings and by each  Stockholder  (or its Permitted  Affiliate
Transferees)  adversely  affected  by  such  amendment,  no  such  amendment  or
modification  shall  eliminate  any right of any  Stockholder  (or its Permitted
Affiliate  Transferees)  or,  in the case of the  Omnipoint  Designees,  the Old
Omnipoint  Board, to designate the member or members of the Board it is entitled
to designate in accordance with Section 3 hereof (it being understood and agreed
that this clause shall not prohibit the enlargement of the Board).

(9) This Agreement may be executed in any number of counterparts,  each of which
shall be deemed an original,  and all of which  together shall be considered one
and the same agreement.

(10) The obligations of each of the  Stockholders  under this Agreement shall be
several with respect to each such Stockholder.

(11) This Agreement  constitutes the entire  understanding of the parties hereto
with  respect  to  this  subject   matter  hereof  and   supersedes   all  prior
understandings among such parties with respect to such subject matter.

(12) The  validity  of this  Agreement,  its  construction,  interpretation  and
enforcement, and the rights of the parties hereunder, shall be determined under,
governed by and construed in  accordance  with the internal laws of the State of
New York  applicable to contracts  formed and performed  entirely in such state.
Each party hereto agrees that,  subject to Section 8(m) hereof, any suit, action
or other proceeding arising out of this Agreement shall be brought and litigated
in the courts of the State of Washington or the United States District Court for
the Western  District of  Washington  and each party hereto  hereby  irrevocably
consents to personal  jurisdiction and venue in any such court and hereby waives
any claim it may have that such court is an inconvenient  forum for the purposes
of any such suit, action or other proceeding.

(13) Any and all disputes,  controversies  or claims (each a "Dispute")  between
the Stockholders relating to the interpretation or enforcement or performance of
this  Agreement  shall  be  resolved  by  binding  arbitration  by the  American
Arbitration  Association in accordance with its rules,  subject to the following
provisions:

(1)  There  shall  be  three  arbitrators  (the  "Arbitrators")  which  shall be
appointed  in  accordance  with  the  procedure  of  the  American   Arbitration
Association.

(2) The expenses of the arbitration  shall be borne equally by the  Stockholders
involved  in the  arbitration,  and each party shall bear its own legal fees and
expenses;  provided,  however,  that the  Arbitrators  shall have  discretion to
require  that one party pay all or a portion of the expenses of  arbitration  or
the other  party's  legal fees and expenses in  connection  with any  particular
arbitration.

(3) The Arbitrators  shall determine  whether and to what extent any party shall
be  entitled  to damages or  equitable  relief.  No party  shall be  entitled to
punitive damages or consequential damages or shall be required to post a bond in
connection with equitable relief.

(4) The  Arbitrators  shall not have the power to add to nor  modify  any of the
terms or conditions of this Agreement.  The  Arbitrators'  decision shall not go
beyond  what  is  necessary  for  the  interpretation  and  application  of  the
provisions of this Agreement in respect of the issue before the Arbitrators. The
Arbitrators' decision and award or permitted remedy, if any, shall be based upon
the issue as drafted and  submitted by the  respective  parties and the relevant
and competent evidence adduced at the hearing(s).

(5) The  Arbitrators  shall  have the  authority  to award any  remedy or relief
provided  for in this  Agreement,  in  addition  to any  other  remedy or relief
(including   provisional   remedies  and  relief)  that  a  court  of  competent
jurisdiction  could  order or grant (but  subject to the  remedial  limitations,
elsewhere set forth in this Agreement,  including,  but without limitation,  the
aforesaid   prohibition  against  punitive  and  consequential   damages).   The
Arbitrators  written  decision  shall be rendered  within sixty (60) days of the
hearing. The decision reached by the Arbitrators shall be final and binding upon
the parties as to the matter in dispute. To the extent that the relief or remedy
granted  by the  Arbitration  is relief or remedy on which a court  could  enter
judgment,  a judgment upon the award rendered by the  Arbitrators may be entered
in any court  having  jurisdiction  thereof  (unless  in the case of an award of
damages,  the full  amount  of the  award is paid  within  ten (10)  days of its
determination by the Arbitrators).  Otherwise, the award shall be binding on the
parties in connection with their continuing performance of this Agreement and in
any subsequent arbitral or judicial proceeding between the parties.

(6) The arbitration  shall take place in Seattle,  Washington,  unless otherwise
agreed by the parties, and shall be conducted in the English language.

(7)  The  arbitration  proceeding  and  all  filing,  testimony,  documents  and
information relating to or presented during the arbitration  proceeding shall be
disclosed  exclusively for the purpose of facilitating  the arbitration  process
and for no other purpose.

(8) The parties shall continue  performing  their respective  obligations  under
this Agreement  notwithstanding  the existence of a Dispute while the Dispute is
being resolved unless and until such  obligations are terminated,  expire or are
suspended in accordance with the provisions hereof.

(9) The Arbitrators may, in their sole discretion,  order a pre-hearing exchange
of  information  including  production  of  documents,  exchange of summaries of
testimony or exchange of statements of position, and shall schedule promptly all
discovery  and other  procedural  steps and  otherwise  assume  case  management
initiative and control to effect an efficient and expeditious  resolution of the
Dispute.  At any oral  hearing of evidence  in  connection  with an  arbitration
proceeding,  each party and its  counsel  shall  have the right to  examine  its
witnesses and to cross-examine the witnesses of the other party. No testimony of
any witness  shall be presented  in written  form unless the  opposing  party or
parties shall have the opportunity to cross-examine such witness,  except as the
parties otherwise agree in writing.

(10) Notwithstanding the dispute resolution procedures contained in this Section
8(m),  either  party may apply to any court having  jurisdiction  (a) to enforce
this Agreement to arbitrate,  (b) to seek provisional injunctive relief so as to
maintain the status quo until the  arbitration  award is rendered or the Dispute
is otherwise resolved,  or (c) to challenge or vacate any final judgment,  award
or decision of the Arbitrators that does not comport with the express provisions
of this Section 8(m).

(14) The  failure of any party to seek  redress for  violation  of, or to insist
upon the strict  performance  of , any  provision  of this  Agreement  shall not
prevent a subsequent act, which would have  originally  constituted a violation,
from having the effect of an original violation.

(15) The rights and remedies  provided by this  Agreement are cumulative and the
use of any one  right or remedy by any  party  shall not  preclude  or waive its
right to use any or all other remedies except as otherwise expressly provided in
this  Agreement.  Such  rights and  remedies  are given in addition to any other
rights the parties may have by law, statute, ordinance or otherwise.

(16) The  invalidity or  unenforceability  of any  particular  provision of this
Agreement shall not affect the other provisions hereof, and this Agreement shall
be construed in all respects as if such invalid or unenforceable  provision were
omitted.

                  IN WITNESS  WHEREOF,  the  parties  hereto  have  caused  this
Agreement to be duly executed as of the day and year first above written.

VOICESTREAM WIRELESS HOLDING CORPORATION


By:   /s/ John W. Stanton
     Name: John W. Stanton
     Title: Chairman and Chief Executive Officer

Stockholders:


 /s/ John W. Stanton
John W. Stanton


 /s/ Theresa E. Gillespie
Theresa E. Gillespie


PN Cellular, Inc.


By:   /s/ Theresa E. Gillespie
     Name: Theresa E. Gillespie
     Title: Treasurer

Stanton Family Trust


By:   /s/ Theresa E. Gillespie
     Name: Theresa E. Gillespie, Trustee



<PAGE>



Stanton Communications Corporation


By:   /s/ Theresa E. Gillespie
     Name: Theresa E. Gillespie
     Title: Treasurer

GS Capital Partners, L.P.

By:  GS Advisors L.L.C., General Partner


               By:  /s/ John E. Bowman
               Name: John E. Bowman
               Title: Vice President


The Goldman Sachs Group, Inc.


By:  /s/ Terence M. O'Toole
     Name: Terence M. O'Toole
     Title: Attorney-in-Fact

Bridge Street Fund 1992, L.P.


By:  Stone Street 1992 L.L.C., Managing General Partner


               By:  /s/ John E. Bowman
               Name: John E. Bowman
               Title: Vice President



<PAGE>



Stone Street Fund 1992, L.P.


By:  Stone Street 1992 L.L.C., General Partner


               By:  /s/ John E. Bowman
               Name: John E. Bowman
               Title: Vice President


Hutchison Telecommunications Holdings (USA) Limited



By:   /s/ Canning Fok
     Name: Canning Fok
     Title: Director


Hutchison Telecommunications PCS (USA) Limited



By:   /s/ Susan Chow
     Name: Susan Chow
     Title: Director

ALLEN & COMPANY INCORPORATED


By:   /s/ Richard L. Fields
   Name: Richard L. Fields
   Title: Manager



<PAGE>



MADISON DEARBORN CAPITAL
  PARTNERS, L.P.

By: Madison Dearborn Partners, L.P.,
   its General Partner

     By: Madison Dearborn Partners, Inc.
           its General Partner


By:   /s/ James N. Perry
   Name: James N. Perry
   Title: Manager


  /s/ James N. Perry
- --------------------
James N. Perry, Jr.


 /s/ Richard L. Fields
Richard L. Fields

AVANCE CAPITAL


By:  /s/ Douglas G. Smith
   Name:  Douglas G. Smith
   Title:  Sole Proprietor

AVANCE CAPITAL II


By:  /s/ Douglas G. Smith
   Name:  Douglas G. Smith
   Title:  Sole Proprietor

AVANCE CAPITAL III


By:  /s/ Douglas G. Smith
   Name:  Douglas G. Smith
   Title:  Sole Proprietor

DOUGLAS AND GABRIELA SMITH
1995 FAMILY TRUST


By:   /s/ Gabriela Smith
   Name:  Gabriela Smith
   Title: Trustee



  /s/ Douglas G. Smith
Douglas G. Smith



   /s/ James J. Ross
James J. Ross

ELIZABETH G. ROSS U/T/A, DATED MARCH 4, 1994


By:  /s/ James J. Ross
   Name:  James J. Ross
   Title: Trustee

DAVID G. ROSS U/T/A, DATED JUNE 18, 1997


By:  /s/ James J. Ross
   Name:  James J. Ross
   Title: Trustee

SONERA CORPORATION


By:   /s/ Olli T. Tuohimaa
         Name: Olli T. Touhimaa
         Title: Attorney in Fact




SONERA HOLDING, B.V.


By:   /s/ Olli T. Tuohimaa
         Name: Olli T. Touhimaa
         Title: Attorney in Fact


<PAGE>


                                   SCHEDULE I

                                  Stockholders
<TABLE>
<CAPTION>

- ------------------------------------------------------------------------ -------------------------------------------
                  <S>                                                             <C>
            Name and Address of Stockholder                                   Number of Shares
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

John W. Stanton and Theresa E. Gillespie                                          2,930,136
c/o VoiceStream Wireless Corporation
3650 131st Avenue S.E., Suite 400
Bellevue, WA 98006
Attention:  John W. Stanton
Fax: 425-586-8010
- ------------------------------------------------------------------------ ----------------------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

PN Cellular, Inc.                                                                  1,686,069
c/o VoiceStream Wireless Corporation
3650 131st Avenue S.E., Suite 400
Bellevue, WA 98006
Attention:  John W. Stanton
Fax: 425-586-8010
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Stanton Family Trust                                                                 164,437
c/o VoiceStream Wireless Corporation
3650 131st Avenue S.E., Suite 400
Bellevue, WA 98006
Attention:  John W. Stanton
Fax: 425-586-8010
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Stanton Communications Corporation                                                 1,274,520
c/o VoiceStream Wireless Corporation
3650 131st Avenue S.E., Suite 400
Bellevue, WA 98006
Attention:  John W. Stanton
Fax: 425-586-8010
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

GS Capital Partners, L.P.                                                          8,986,738
c/o Goldman, Sachs & Co.
85 Broad Street
New York, NY 10004
Attention:  Terence O'Toole
Fax: 212-902-3000
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

The Goldman Sachs Group, Inc.                                                        68,821
c/o Goldman, Sachs & Co.
85 Broad Street
New York, NY 10004
Attention:  Terence O'Toole
Fax: 212-902-3000
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Bridge Street Fund 1992, L.P.                                                       273,069
c/o Goldman, Sachs & Co.
85 Broad Street
New York, NY 10004
Attention:  Terence O'Toole
Fax: 212-902-3000
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Stone Street Fund 1992, L.P.                                                        470,401
c/o Goldman, Sachs & Co.
85 Broad Street
New York, NY 10004
Attention:  Terence O'Toole
Fax: 212-902-3000
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Hutchison Telecommunications PCS (USA) Limited                                    52,010,364
                                                                               (Which includes 26,227,586 shares of
c/o Offshore Incorporations Limited                                             Common stock issuable upon conversion
P.O. Box 957                                                                    of theCompany's 2.5% Junior Convertible
Offshore Incorporations Centre                                                  Preferred Stock
Road Town, Tortola
British Virgin Islands
Telephone No.: 809-494-2233
Facsimile No.: 809-494-4885

and:

c/o Hutchison Telecommunications Limited
22nd Floor, Hutchison House
10 Harcourt Road
Hong Kong
Attention: Ms. Edith Shih
Fax: 852-2128-1778
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Hutchison Telecommunications Holdings (USA) Limited                                  3,888,888

c/o Offshore Incorporations Limited
P.O. Box 957
Offshore Incorporations Centre
Road Town, Tortola
British Virgin Islands
Telephone No.: 809-494-2233
Facsimile No.: 809-494-4885

and:

c/o Hutchison Telecommunications Limited
22nd Floor, Hutchison House
10 Harcourt Road
Hong Kong
Attention: Ms. Edith Shih
Fax: 852-2128-1778
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Douglas G. Smith                                                                      1,196,398
6200 Brookside Drive
Chevy Chase, MD 20815
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Avance Capital                                                                        2,220,266
Attn: Douglas G. Smith
6200 Brookside Drive
Chevy Chase, MD 20815
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Avance Capital II                                                                       750,000
Attn: Douglas G. Smith
6200 Brookside Drive
Chevy Chase, MD 20815
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Avance Capital III                                                                      375,000
Attn: Douglas G. Smith
6200 Brookside Drive
Chevy Chase, MD 20815
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Douglas & Gabriela Smith                                                                519,482
1995 Family Trust
Attn: Gabriela Smith, Trustee
6200 Brookside Drive
Chevy Chase, MD 20815
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Richard L. Fields                                                                       317,368
75 Central Park South, Apt. 15B
New York, NY 10022
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Allen & Company Incorporated                                                          2,290,522
c/o Richard L. Fields, Managing Director
711 Fifth Avenue
New York, NY 10022
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

James N. Perry, Jr.                                                                      50,874
Madison Dearborn Capital Partners, LP
Three First National Plaza, Suite 1330
Chicago, IL 60602
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Madison Dearborn Capital Partners, LP                                                 3,232,149
c/o James N. Perry, Jr., Managing Director
Three First National Plaza, Suite 1330
Chicago, IL 60602
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

James J. Ross                                                                           582,445
c/o Becker Ross Stone DeStefano & Klein
317 Madison Avenue, Suite 1410
New York, NY 10017
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

James J. Ross, as Trustee, of Elizabeth G. Ross U/T/A, dated March 4,            An Aggregate of 145,950
1994
c/o Becker Ross Stone DeStefano & Klein
317 Madison Avenue, Suite 1410
New York, NY 10017

James J. Ross, as Trustee, of David G. Ross U/T/A, dated June 18, 1997
c/o Becker Ross Stone DeStefano & Klein
317 Madison Avenue, Suite 1410
New York, NY 10017
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Sonera Corporation
P.O. Box 106
FIN-00051-TELE
Teollisuuskatu 15, Helsinki
Attn: Kaj-Erik Relander, Executive Vice President
Facsimile: 011 358 2040 3770
- ------------------------------------------------------------------------ -------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Sonera Holding, B.V.                                                                     8,792,555
c/o Sonera Corporation
P.O. Box 106
FIN-00051-TELE
Teollisuuskatu 15, Helsinki
Attn: Kaj-Erik Relander, Executive Vice President
Facsimile: 011 358 2040 3770
- ------------------------------------------------------------------------ -------------------------------------------
- --------------------------------------------------------------------------------------------------------------------

Upon the  execution  and  delivery  of the  attached  agreement,  the  following
Stockholder shall become a party to this Agreement.
- --------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------ -------------------------------------------

Telephone and Data Systems, Inc.                                         [Number of Shares shall be as set forth
30 North LaSalle, Suite 4000                                             on the agreement attached hereto as
Chicago, IL 60602                                                        Exhibit A.]
Attention: LeRoy T. Carlson, Jr., President
Facsimile: 312-630-9299
- ------------------------------------------------------------------------ -------------------------------------------
</TABLE>


<PAGE>


                                                              Exhibit A to
                                                            Voting Agreement

                                    AGREEMENT

                  AGREEMENT,  dated  as of  __________,  2000,  by  and  between
VOICESTREAM   WIRELESS   CORPORATION   (f/k/a   VoiceStream   Wireless   Holding
Corporation),  a Delaware  corporation  ("VoiceStream"),  and TELEPHONE AND DATA
SYSTEMS, INC., a Delaware corporation ("TDS");

                  WHEREAS,  VoiceStream  has  entered  into a  Voting  Agreement
("Voting  Agreement")  dated as of February  25,  2000,  together  with  certain
stockholders of VoiceStream set forth on Schedule I thereof ("Stockholders");

                  WHEREAS,  all capitalized  terms used herein and not otherwise
defined shall have the meanings set forth in the Voting Agreement;

                  WHEREAS,  in  the  Voting  Agreement,   the  Stockholders  and
VoiceStream  have  agreed  that,  at the  time  of  the  closing  of the  Aerial
Reorganization,  TDS and VoiceStream shall execute and deliver this Agreement to
evidence the admission of TDS as a party to the Voting Agreement;

                  WHEREAS, the Aerial Reorganization is being consummated
concurrently with the execution of this Agreement;

                  NOW,  THEREFORE,  in  consideration  of the  foregoing and the
mutual  covenants and agreements  set forth herein,  the parties hereto agree as
follows:

         1.       TDS  hereby  accepts  and  agrees  to  all of  the  terms  and
                  conditions  of the  Voting  Agreement  and  agrees to become a
                  party  to the  Voting  Agreement  as a  Stockholder  effective
                  immediately.

         2.       The  Voting  Agreement  shall not in any way  limit,  amend or
                  modify  any  of  the  terms  or  provisions  of  the  Investor
                  Agreement  dated the date  hereof  among  TDS,  VS  Washington
                  Corporation and VoiceStream.

         3.       VoiceStream,  by  action  of its  Board  of  Directors,  shall
                  appoint a Qualified  TDS Designee to the Board of Directors of
                  VoiceStream  on the  later  of (i)  the  date  hereof  or (ii)
                  promptly after TDS designates a Qualified TDS Designee.

         4.       This Agreement shall become effective as of the Effective Time
                  of the Aerial  Reorganization  and shall  supersede the Parent
                  Stockholder  Agreement,  dated as of September 17, 1999, among
                  Aerial, TDS, VoiceStream and VS Washington  Corporation (f/k/a
                  VoiceStream  Wireless  Corporation)  and the  individuals  and
                  entities  set  forth  on  Schedule  I  thereto,   which  shall
                  terminate by its terms at such time.

         5.       The number of Shares Beneficially Owned by TDS as of the date
of this  Agreement  is  _______ Shares.

                  IN WITNESS  WHEREOF,  the  parties  hereto  have  caused  this
Agreement to be duly executed as of the day and year first above written.

                        VOICESTREAM WIRELESS CORPORATION


                                     By:      ___________________________
                                     Name:
                                     Title:

                         TELEPHONE AND DATA SYSTEMS, INC.


                                     By:      ____________________________
                                     Name:
                                     Title:
























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