NEXTLINK COMMUNICATIONS LLC
SC 13D/A, 1997-11-06
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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                       SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


                                  SCHEDULE 13D
                                (Amendment No. 1)

                    Under the Securities Exchange Act of 1934


                          NEXTLINK COMMUNICATIONS, INC.
                                (Name of Issuer)


                      CLASS A COMMON STOCK, $.02 PAR VALUE
                         (Title of Class of Securities)


                                    65333H707
                                 (CUSIP Number)

       C. JAMES JUDSON, ESQ.                         BRUCE R. LEDERMAN
          General Counsel                             Latham & Watkins
  Eagle River Investments, L.L.C.             633 West Fifth Street, Suite 400
        2300 Carillon Point                    Los Angeles, California 90071
  Kirkland, Washington 98033-7353                       213-485-1234
            425-828-8000
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


                                NOVEMBER 3, 1997
              (Date of Event which Requires Filing this Statement)


If the 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 [ ].



                                    


                                      -1-
<PAGE>


SCHEDULE 13D

CUSIP No. 65333H707

1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Eagle River Investments, L.L.C.

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      a[ ]
                                                                      b[ ]

3.  SEC USE ONLY

4.  SOURCE OF FUNDS*
             WC

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                                     [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION
             Washington

                                    7.      SOLE VOTING POWER
                                            None

     SHARES                         8.      SHARED VOTING POWER
  BENEFICIALLY                              18,871,786
    OWNED BY
   REPORTING                        9.      SOLE DISPOSITIVE POWER
     PERSON                                 None
      WITH
                                    10.     SHARED DISPOSITIVE POWER
                                            18,871,786

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             18,871,786

12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES*                                              [X]

13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
             50.8%

14.      TYPE OF REPORTING PERSON*
             OO




                                      -2-
<PAGE>


SCHEDULE 13D

CUSIP No. 65333H707

1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Eagle River, Inc.

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      a[ ]
                                                                      b[ ]

3.  SEC USE ONLY

4.  SOURCE OF FUNDS*
             WC

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                                     [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION
             Washington

                                    7.      SOLE VOTING POWER
                                            None

     SHARES                         8.      SHARED VOTING POWER
  BENEFICIALLY                              18,878,406
    OWNED BY
   REPORTING                        9.      SOLE DISPOSITIVE POWER
     PERSON                                 None
      WITH
                                    10.     SHARED DISPOSITIVE POWER
                                            18,878,406

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             18,878,406

12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES*                                              [X]

13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
             50.8%

14.      TYPE OF REPORTING PERSON*
             CO




                                      -3-
<PAGE>


SCHEDULE 13D

CUSIP No. 65333H707

1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Craig O. McCaw

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      a[ ]
                                                                      b[ ]

3.  SEC USE ONLY

4.  SOURCE OF FUNDS*
             PF

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                                     [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION
             Washington

                                    7.      SOLE VOTING POWER
                                            266,466

     SHARES                         8.      SHARED VOTING POWER
  BENEFICIALLY                              18,878,406
    OWNED BY
   REPORTING                        9.      SOLE DISPOSITIVE POWER
     PERSON                                 None
      WITH
                                    10.     SHARED DISPOSITIVE POWER
                                            18,878,406

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             19,144,872

12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES*                                              [X]

13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
             51.1%

14.      TYPE OF REPORTING PERSON*
             IN




                                      -4-
<PAGE>



SCHEDULE 13D

CUSIP No. 65333H707

1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Dennis Weibling

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      a[ ]
                                                                      b[ ]

3.  SEC USE ONLY

4.  SOURCE OF FUNDS*
             00

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                                     [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION
             Washington

                                    7.      SOLE VOTING POWER
                                            1,500

     SHARES                         8.      SHARED VOTING POWER
  BENEFICIALLY                              18,871,786
    OWNED BY
   REPORTING                        9.      SOLE DISPOSITIVE POWER
     PERSON                                 1,500
      WITH
                                    10.     SHARED DISPOSITIVE POWER
                                            18,871,786

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             18,873,286

12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES*                                              [X]

13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
             50.1%

14.      TYPE OF REPORTING PERSON*
             IN




                                      -5-
<PAGE>



SCHEDULE 13D

CUSIP No. 65333H707

1.  NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         Wendy P. McCaw

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                      a[ ]
                                                                      b[ ]

3.  SEC USE ONLY

4.  SOURCE OF FUNDS*
             00

5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                                     [ ]

6.  CITIZENSHIP OR PLACE OF ORGANIZATION
             Washington

                                    7.      SOLE VOTING POWER
                                            9,722,649

     SHARES                         8.      SHARED VOTING POWER
  BENEFICIALLY                                        
    OWNED BY
   REPORTING                        9.      SOLE DISPOSITIVE POWER
     PERSON                                 9,722,649
      WITH
                                    10.     SHARED DISPOSITIVE POWER
                                            

11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
             9,722,649

12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
         CERTAIN SHARES*                                              [X]

13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
             34.7%

14.      TYPE OF REPORTING PERSON*
             IN



                                      -6-
<PAGE>




     This statement amends and supplements the information set forth in the
Schedule 13D filed by the Reporting Persons (as defined below) with the
Securities and Exchange Commission (the "Commission") on October 20, 1997 and
constitutes Amendment No. 1 to the Schedule 13D. Capitalized terms used herein
without definition shall have the meaning assigned to such terms in the Schedule
13D.

Explanatory Note:
- ----------------

     As a result of executing a NEXTLINK Stock Distribution Agreement (the
"Agreement") in connection with a portion of the settlement of a divorce action
between Mr. Craig O. McCaw and Mrs. Wendy P. McCaw effective as of November 3,
1997, Eagle River Investments, L.L.C., a Washington limited liability company
that is controlled by Mr. McCaw ("Eagle River"), Eagle River, Inc. ("ER Inc."),
a Washington corporation, Mr. McCaw and Mr. Dennis Weibling, each a member of
Eagle River, may be deemed, for the purposes of Section 13(d) of the Securities
Exchange Act of 1934 (the "Exchange Act"), to have formed a "group" with Mrs.
McCaw. Eagle River, ER Inc., Mr. McCaw, Mr. Weibling and Mrs. McCaw are
sometimes referred to herein as the "Reporting Persons."

Item 4.  Purpose of Transaction.

     Item 4 is hereby amended and restated in its entirety as set forth below:

     Eagle River acquired the securities reported in Item 5 in connection with
the formation of the Issuer and in connection with additional equity
contributions prior to April 1997.

     In connection with the settlement of a divorce action between Mr. McCaw and
Mrs. McCaw, pursuant to the Agreement, Mr. McCaw and Eagle River have agreed to
transfer beneficial and record ownership to Mrs. McCaw of 9,722,649 shares of
Class B Common Stock. The Class B Common Stock is convertible, at any time and
on a one-for-one basis, for shares of Class A Common Stock, which is registered
pursuant to Section 12(g) of the Exchange Act.

     In connection with the transfer, effective as of November 3, 1997, Eagle
River, Mr. McCaw and Mrs. McCaw entered into the Agreement. In connection with
the execution of the Agreement, Mrs. McCaw granted to Mr. McCaw an irrevocable
proxy, which provides that for so long as Mrs. McCaw owns shares of Class B
Common Stock, Mr. McCaw will have the right to vote such of Mrs. McCaw's shares
of Class B Common Stock as are necessary for Mr. McCaw to have 51% of the voting
power of the Issuer, but this 




                                      -7-
<PAGE>



right shall expire after Mr. McCaw has sold 50% or more of his existing
shares of Class B Common Stock. In addition, Eagle River and Mr. McCaw have
agreed to vote, and to cause all of Mr. McCaw's affiliates to vote, all shares
of the Issuer owned or held of record by them, or as to which they hold proxies,
in favor of Mrs. McCaw's designate to the Board of Directors of the Issuer,
should Mrs. McCaw elect to exercise her right to do so. Mrs. McCaw's right to
designate a member of the Issuer's Board of Directors shall expire after Mrs.
McCaw has sold 50% or more of the aggregate number of shares of the Issuer held
by her upon the distribution of the shares contemplated by the Agreement or the
combined voting power of Mrs. McCaw, Mr. McCaw, Eagle River, Nextlink, Inc. and
all other affiliates of Mr. McCaw is insufficient to elect three directors to
the Issuer's Board of Directors.

     The Agreement also provides that none of Mr. McCaw, Eagle River or Mr.
McCaw's other affiliates (other than the Issuer) owning shares of capital stock
of the Company (the "COM Holders") may sell, assign, or otherwise transfer in
any transaction or series of related transactions (a "Sale") either (i) fifty
percent or more of the shares of capital stock of the Company (the "Stock") held
by them at the time of such Sale or (ii) that number of shares of Stock that
results in Mr. McCaw and his affiliates ceasing to be able to elect a majority
of the Board of Directors of the Issuer without triggering certain tag-along
sale rights of Mrs. McCaw. Upon receipt of notice of any Sale, Mrs. McCaw, on
her own behalf and on behalf of the WPM Holders (as defined below) shall have
the right to participate on a pro rata basis in such Sale upon the same terms
and conditions.

     In addition, the Agreement provides that if any or all of the COM Holders
(the "Transferring Holders") agree to effect or engage in a Sale of at least 51%
of the total shares of Stock then held by all of the COM Holders in a bona fide
arm's-length transaction with a third party that is not an affiliate, then the
Transferring Holders may elect to require Mrs. McCaw and all of her affiliates
that own shares of capital stock of the Issuer (the "WPM Holders") to vote all
of the shares of Stock held by them affirmatively for the transaction and to
sell to the proposed purchaser all or part of the Applicable Percentage (as
defined below) of the total number of shares of Stock then held by the WPM
Holders, concurrently with the sale by the Transferring Holders and at the same
price per share. In addition, in the case of such a transaction involving an
affiliate of COM, the Transferring Holders shall have the same rights, but Mrs.
McCaw may elect to either accept the transaction price or have the price paid
for her shares be in cash at fair market value as subsequently determined by any
court of competent jurisdiction. As used in the Agreement, Applicable Percentage





                                      -8-
<PAGE>



means the percentage of the total number of shares then held by all of the COM
Holders that is proposed to be sold or transferred by the Transferring Holders.


     The Reporting Persons may from time to time seek to increase, reduce or
dispose of their investment in the Issuer in the open market, in privately
negotiated transactions, or otherwise. The determination to effect any such
transactions will depend on, among other things, the market price, availability
of funds, borrowing costs, market conditions, tax considerations, developments
affecting the Issuer and the Reporting Persons, other opportunities available to
the Reporting Persons and other considerations.

     In connection with the execution of the Agreement, Mrs. McCaw has entered
into a Lock-up Agreement, on terms substantially the same as such an agreement
entered into by Eagle River, providing that Mrs. McCaw will not sell or dispose
of any shares of Class A Common Stock or any security convertible into Class A
Common Stock for a period of six (6) months retroactive to September 25, 1997,
without the prior written consent of Salomon Brothers Inc.

     As a result of the beneficial ownership of 54.8% of the Class B Common
Stock, Eagle River controls the Issuer. As a result, Mr. McCaw, who is the
controlling member of Eagle River, will have the ability to control the
direction and future operations of the Issuer.

     From time to time, one or more of the Reporting Persons may hold
discussions with third parties or with management of the Issuer in which the
Reporting Person may suggest or take a position with respect to potential
changes in the operations, management or capital structure of the Issuer as a
means of enhancing shareholder value. Such suggestions or positions may relate
to one or more of the transactions specified in clauses (a) through (j) of Item
4 of the Schedule 13D, including, without limitation, such matters as disposing
of or selling all or a portion of the Issuer or acquiring another company or
business, changing operating or marketing strategies, adopting or not adopting
certain types of anti-takeover measures and restructuring the Issuer's
capitalization or dividend policy.

     Except as set forth above, the Reporting Persons do not have any present
plans or proposals that relate to or would result in any of the actions required
to be described in Item 4 of Schedule 13D.

     Each of the Reporting Persons may, at any time, review or reconsider its
position with respect to the Issuer and formulate 




                                      -9-
<PAGE>


     plans or proposals with respect to any of such matters,  but has no present
intention of doing so.

Item 5.  Interest in Securities of Issuer

     Item 5 is hereby amended and restated in its entirety as set forth below:

     (a) and (b). (i) Eagle River may be deemed to have voting and investment
power with respect to 28,594,435 Class B Common Stock, which are convertible
into 28,594,435 Class A Common Stock at any time. Such shares of Class B Common
Stock represent 83.1% of the Class B Common Stock and 61.0% of the Class A
Common Stock determined in accordance with Rule 13d-3(d)(1)(i) under the
Exchange Act. Eagle River shares voting and investment power with ER Inc. and
Mr. McCaw, and may be deemed to share voting power with Mrs. McCaw. Eagle River
disclaims beneficial ownership in 9,722,649 shares of Class B Common Stock
beneficially owned by Mrs. McCaw.

     (ii) ER Inc. may be deemed to have voting and investment power with respect
to 28,594,435 shares of Class B Common Stock, which are convertible into
28,594,435 shares of Class A Common Stock at any time and an additional 6,620
shares of Class A Common Stock pursuant to options to acquire such Class A
Common Stock that are exercisable within 60 days. Such shares of Class B Common
Stock represent 83.1% of the Class B Common Stock and 61.0% of the Class A
Common Stock determined in accordance with Rule 13d-3(d)(1)(i) under the
Exchange Act. ER Inc. shares voting and investment power with Eagle River and
Mr. McCaw with respect to the 28,594,435 shares of Class A Common Stock and may
be deemed to share voting power with Mrs. McCaw. ER Inc. disclaims beneficial
ownership in 9,722,649 shares of Class B Common Stock beneficially owned by Mrs.
McCaw.

     (iii) Mr. McCaw may be deemed to have voting and investment power with
respect to 28,860,901 shares of Class B Common Stock, which are convertible into
28,860,901 shares of Class A Common Stock at any time and an additional 6,620
shares of Class A Common Stock pursuant to options to acquire such Class A
Common Stock that are exercisable within 60 days. Such shares of Class B Common
Stock represent 83.9% of the Class B Common Stock and 61.2% of the Class A
Common Stock determined in accordance with Rule 13d-3(d)(1)(i) under the
Exchange Act. Mr. McCaw shares voting and investment power with Eagle River and
ER Inc. with respect to 28,594,435 shares of Class A Common Stock, and may be
deemed to share voting power with Mrs. McCaw. Mr. McCaw disclaims beneficial
ownership in 9,722,649 shares of Class B Common Stock beneficially owned by Mrs.
McCaw.




                                      -10-
<PAGE>



     (iv) Mr. Weibling may be deemed to have voting and investment power with
respect to 28,594,435 shares of Class B Common Stock, which are convertible into
28,594,435 shares of Class A Common Stock at any time as a result of his
membership in Eagle River, and an additional 1,500 shares of Class A Common
Stock that are held in trust for Mr. Weibling's minor children. Such shares of
Class B Common Stock represent 83.1% of the Class B Common Stock and 61.0% of
the Class A Common Stock determined in accordance with Rule 13d-3(d)(1)(i) under
the Exchange Act. Mr. Weibling may be deemed to share voting and investment
power with Eagle River, ER Inc. and Mr. McCaw, and voting power with Mrs. McCaw.
Mr. Weibling disclaims beneficial ownership in all securities held by Eagle
River, except to the extent of his pecuniary interest therein. Mr. Weibling also
disclaims beneficial ownership in 9,722,649 shares of Class B Common Stock
beneficially owned by Mrs. McCaw.

         (v) Mrs. McCaw may be deemed to have voting and  investment  power with
respect to 28,860,901 shares of Class B Common Stock, which are convertible into
28,860,901  shares of Class A Common Stock at any time,  1,500 shares of Class A
Common Stock and an additional  6,620 shares of Class A Common Stock pursuant to
options to  acquire  such Class A Common  Stock that are  exercisable  within 60
days.  Such shares of Class B Common Stock represent 83.9% of the Class B Common
Stock and 61.2% of the Class A Common Stock  determined in accordance  with Rule
13d-3(d)(1)(i)  under the Exchange Act. Mrs. McCaw may be deemed to share voting
power  and  investment  power  with  Eagle  River,  ER Inc.,  Mr.  McCaw and Mr.
Weibling.   Mrs.  McCaw  disclaims  beneficial  ownership  of  an  aggregate  of
19,138,252  shares of Class B Common  Stock  and 8,120  shares of Class A Common
Stock beneficially owned by Mr.
McCaw, Eagle River, ER Inc. and Mr. Weibling.

     All percentages contained in this Schedule 13D have been calculated based
upon 34,406,523 shares of Class B Common Stock outstanding and 18,290,429 shares
of Class A Common Stock outstanding, each as of October 1, 1997, the closing
date of the Issuer's initial public offering.

     (c) There have been no transactions in shares of Class A Common Stock by
the Reporting Persons or, to the best knowledge of the Reporting Persons, by any
of Eagle River's or ER Inc.'s executive officers and executive officers and
directors, respectfully, since the last filing of the Schedule 13D.

     (d) To the  knowledge of the Reporting  Persons,  no person other than each
respective  record owner referred to herein of shares of Class A Common Stock or
Class B Common  Stock is known to have  the  right to  receive  or the  power to
direct the receipt of dividends  from or the proceeds of sale of shares of Class
A



                                      -11-
<PAGE>



Common Stock and Class B Common Stock, except that the respective
members and shareholders, as relevant, of Eagle River and ER Inc. have the right
to participate in the receipt of dividends from or proceeds of the sale of, the
shares of Class A Common Stock and Class B Common Stock held for their
respective accounts.

     (e) Not applicable.

Item 7.  Material to be Filed as Exhibits

Exhibit 99.1    NEXTLINK Stock Distribution Agreement, by and among 
                Wendy P. McCaw, Craig O. McCaw, Eagle River Investments, L.L.C.
                and NEXTLINK Communications, Inc. as to certain provisions,
                dated as of November 3, 1997.

Exhibit 99.2    Joint Filing Agreement among the Reporting Persons dated 
                as of October 20, 1997 (incorporated herein by reference 
                to Exhibit 99.2 to the Schedule 13D filed on October 20, 1997).





                                      -12-
<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:  November 5, 1997


                              EAGLE RIVER INVESTMENTS, L.L.C.



                              By: \s\ C. James Judson
                                  -------------------
                                  C. James Judson
                                  Vice President

                              EAGLE RIVER, INC.



                              By: \s\ C. James Judson
                                  -------------------
                                  C. James Judson
                                  Vice President



                                   \s\ Craig O. McCaw
                                   ------------------
                                   Craig O. McCaw




                                   \s\ Dennis Weibling
                                   -------------------
                                   Dennis Weibling




                                   \s\ Wendy P. McCaw
                                   ------------------
                                   Wendy P. McCaw





                                      -13-
<PAGE>

<PAGE>




                                    Exhibit M

                      NEXTLINK STOCK DISTRIBUTION AGREEMENT

     This Nextlink Stock Distribution Agreement (this "Agreement") is entered
into by and among Wendy P. McCaw ("WPM"), Craig O. McCaw ("COM"), and Eagle
River Investments, LLC, a Washington limited liability company ("Eagle River")
and, as to its obligations under Sections 10, 12 and 13 only, NEXTLINK
Communications, Inc., a Washington corporation (the "Company"), as of November
3, 1997 (the "Effective Date"). WPM, COM, Eagle River and the Company are
collectively referred to in this Agreement as the "Parties" and each may be
referred to as a "Party."

     For the purposes of this Agreement, "Affiliate" shall mean an individual,
corporation, partnership, limited liability company, association, trust or other
entity ("Person"), whether in existence on the Effective Date or created after
the Effective Date, that directly, or indirectly through one or more
intermediaries, controls, or is controlled by, or is under common control with,
the Person specified.

                                    RECITALS

     WHEREAS, pursuant to the Property Settlement Agreement between COM and WPM
dated as of November 3, 1997 (the "PSA"), in partial liquidation of WPM's
ownership interest in Eagle River, COM and WPM desire to effect the allocation
and distribution of certain shares of common stock of the Company to WPM as her
separate property.

     WHEREAS, the distribution of such shares of Company common stock is
pursuant to an agreed upon allocation of assets reflecting WPM's ownership
interest in Eagle River and is undertaken in connection with the dissolution of
the marriage between COM and WPM.

                                    AGREEMENT

     NOW, THEREFORE, in consideration of the premises and the mutual covenants
and agreements contained herein and in the PSA, and for other consideration, the
receipt and adequacy of which is hereby acknowledged, the Parties agree as
follows:

1.   Distribution of Shares.

     1.1   Eagle River hereby distributes to WPM (i) Nine Million,  Seven
           Hundred and Twenty-Two Thousand, Six Hundred and Forty-Nine
           (9,722,649) issued and outstanding shares of Class B Common Stock of
           the Company (the "Shares") free and clear of all liens, claims,
           options, charges, pledges and encumbrances. The Shares shall be
           vested in WPM's name. Eagle River shall pay any documentary, stamp or
           other similar types of taxes, if any, payable with respect of the
           distribution of the Shares to WPM. Concurrently with WPM's execution
           of this Agreement, Eagle River shall cause the original stock
           certificates, duly endorsed, to be delivered to WPM.

     1.2   WPM, COM and Eagle River acknowledge and agree that the number
           of Shares set forth in Section 1.1 was calculated after giving effect
           to the Class B membership interests in Eagle River as of September
           19, 1997. In the event any such interests are forfeited and not
           replaced in accordance with the terms of the "Eagle River Minority



                                      -1-
<PAGE>




           Interest Agreement" among WPM, COM and Eagle River of even date
           herewith, the number of Shares shall be increased pursuant to the
           Eagle River Minority Interest Agreement.

2.   Effectiveness. This Agreement shall become effective, and the distribution
of the Shares shall be deemed to have been completed, as of the Effective Date.

3.   Representations  and Warranties of COM and Eagle River.  Eagle River and 
COM represent and warrant to WPM as of the Effective Date that:

     3.1   Organization.  Eagle River is a limited liability company duly
           organized, validly existing and in good standing under the laws of
           the State of Washington.

     3.2   Ownership of Shares; No Encumbrances.
           ------------------------------------

           3.2.1 Eagle River is the owner of record of all of the Shares, free
           and clear of any liens, encumbrances, pledges, security interests,
           restrictions (other than restrictions arising under applicable law,
           including securities laws and SEC regulations), prior assignments and
           claims of any kind or nature whatsoever. Upon consummation of the
           distribution contemplated by this Agreement, WPM shall be the owner,
           beneficially and of record, of all of the Shares, free and clear of
           any liens, encumbrances, pledges, security interests, restrictions
           (other than restrictions arising under applicable law,including
           securities laws and SEC regulations), prior assignments and claims of
           any kind or nature whatsoever, except as otherwise hereafter created
           by WPM, or pursuant to the existing agreements and rights of third
           parties identified on Exhibit B to the extent such rights under
           Exhibit B are not inconsistent with the provisions of Sections 6
           through 10 and 12 hereof which shall supersede such third-party
           rights. Each party will its use best efforts to minimize the effect
           of the limitations and restrictions imposed by the agreements set
           forth on Exhibit B.

           3.2.2  All of the Shares have been duly and validly authorized and
                  issued, are fully paid and nonassessable, and were issued
                  in full compliance with all applicable laws, rules, 
                  regulations and ordinances.

     3.3   Power  and  Authority.  Each of  Eagle  River  and COM has all
           required power and authority and has taken all actions necessary to
           enter into this Agreement, to deliver this Agreement and to perform
           its obligations hereunder and to consummate all transactions
           contemplated hereby. The execution, delivery, and performance of this
           Agreement have been duly authorized by Eagle River. This Agreement
           has been duly executed by Eagle River and COM and delivered to the
           other parties hereto and constitutes the legal, valid, and binding
           obligation of Eagle River and COM enforceable in accordance with its
           terms.

     3.4   No   Conflicts;   Consents.   The   execution,   delivery  and
           performance of this Agreement by Eagle River and COM and the
           consummation of the transactions contemplated hereby will not (a)
           conflict with or violate any provision of the organizational
           documents of Eagle River (b) violate the provisions of, or constitute
           a breach or default (whether upon lapse of time and/or the occurrence
           of any act or event, or otherwise) under, any contract or agreement
           to which Eagle River or COM is a party



                                      -2-
<PAGE>




           or (c) violate any law, statute or other law, rule, regulation,
           interpretation, award, decree, injunction, judgment, order, ruling,
           assessment or writ by or of any court, arbitrator or governmental or
           regulatory entity. The execution, delivery, and performance of this
           Agreement by Eagle River and COM and the consummation of the
           transactions contemplated hereby do not require Eagle River or COM to
           obtain any consent, approval, or action of, or make any filing with
           or give notice to, any corporation, partnership, person, firm or
           other entity or any public, governmental or judicial authority except
           as have been made or obtained, and except for required SEC filings.

     3.5   Litigation.  Neither  Eagle  River  nor COM is a party  to any
           litigation, action, suit, proceeding or investigation presently
           pending or threatened before any court or governmental department,
           commission, board, bureau, agency or instrumentality, domestic or
           foreign, that would restrict or prohibit the consummation of the
           transactions contemplated by this Agreement.

     3.6   Insolvency  Proceedings.  Neither  Eagle  River nor COM is the
           subject of any pending insolvency proceedings of any character.
           Neither Eagle River nor COM has made an assignment for the benefit of
           creditors or taken any action with a view to the institution of any
           such insolvency proceedings.


4.   WPM's  Representations  and Warranties.  WPM represents and warrants to 
Eagle River and COM as of the Effective Date that:

     4.1   Power and Authority.  WPM has all required power and authority
           and has taken all actions necessary to enter into this Agreement, to
           deliver this Agreement and to perform her obligations hereunder and
           to consummate all transactions contemplated hereby. The execution,
           delivery, and performance of this Agreement have been duly authorized
           by WPM. This Agreement has been duly executed by WPM and delivered to
           the other parties hereto and constitutes the legal, valid, and
           binding obligation of WPM, enforceable in accordance with its terms.

     4.2   No   Conflicts;   Consents.   The   execution,   delivery  and
           performance of this Agreement by WPM and the consummation of the
           transactions contemplated hereby will not (a) violate the provisions
           of, or constitute a breach or default (whether upon lapse of time
           and/or the occurrence of any act or event, or otherwise) under, any
           contract or agreement to which WPM is a party or (b) violate any law,
           statute or other law, rule, regulation, interpretation, award,
           decree, injunction, judgment, order, ruling, assessment or writ by or
           of any court, arbitrator or governmental or regulatory entity. The
           execution, delivery, and performance of this Agreement by WPM and the
           consummation of the transactions contemplated hereby do not require
           WPM to obtain any consent, approval, or action of, or make any filing
           with or give notice to, any corporation, partnership, person, firm or
           other entity or any public, governmental or judicial authority,
           except as have been made or obtained, and except for required SEC
           filings.

     4.3   Litigation.  WPM is not a party to any  litigation,  action,
           suit, proceeding or investigation presently pending or threatened
           before any court or governmental



                                      -3-
<PAGE>




           department, commission, board, bureau, agency or instrumentality,
           domestic or foreign, that would restrict or prohibit the consummation
           of the transactions contemplated by this Agreement.

     4.4   Investment  Intent.  WPM is acquiring the Shares for investment  
           purposes for her own account and without a view to distribution or
           resale thereof.

     4.5   Compliance with Laws and Regulations.  WPM  acknowledges  that
           dispositions of the Shares subsequent to the Effective Date will be
           subject to compliance with applicable laws, including applicable
           securities laws and SEC regulations.

     4.6   Insolvency Proceedings.  WPM is not the subject of any pending
           insolvency proceedings of any character. WPM has made no assignment
           for the benefit of creditors nor has she taken any action with a view
           to the institution of any such insolvency proceedings.


5.   Indemnification.

     5.1   Indemnification.  COM, on behalf of himself  and Eagle  River,
           but not Eagle River, and WPM shall indemnify each other and their
           Affiliates and representatives from and against any and all costs,
           losses, taxes, liabilities, obligations, damages, lawsuits,
           deficiencies, claims, demands and expenses (whether or not arising
           out of third-party claims), including, without limitation, interest,
           penalties, attorneys' fees and all amounts paid in investigation,
           defense or settlement of any of the foregoing (collectively,
           "Damages") incurred or threatened in connection with, arising out of,
           resulting from or incident to any breach of any representation,
           warranty, covenant, agreement or obligation made by him/it/her in or
           pursuant to this Agreement.

     5.2   Indemnification  Procedures. In the case of any claim asserted
           by a third party against a party entitled to indemnification under
           this Agreement (the "Indemnified Party"), notice shall be given by
           the Indemnified Party to the party required to provide
           indemnification (the "Indemnifying Party") promptly after such
           Indemnified Party has actual knowledge of any claim as to which
           indemnity may be sought, and the Indemnified Party shall permit the
           Indemnifying Party (at the expense of such Indemnifying Party) to
           assume the defense of any claim or any litigation resulting
           therefrom, provided that the omission by any Indemnified Party to
           give notice as provided herein shall not relieve the Indemnifying
           Party of its indemnification obligation under this Agreement except
           to the extent that such omission results in a failure of actual
           notice to the Indemnifying Party and such Indemnifying Party is
           materially damaged as a result of such failure to give notice; and
           further provided that, unless the Indemnifying Party agrees to
           provide both defense and indemnity, (a) the counsel for the
           Indemnifying Party who shall conduct the defense of such claim or
           litigation shall be reasonably satisfactory to the Indemnified Party
           and (b) the Indemnified Party may participate in such defense at such
           Indemnified Party's expense. Except with the prior written consent of
           the Indemnified Party, no Indemnifying Party, in the defense of any
           such claim or litigation, shall consent to entry of any judgment or
           order, interim or otherwise, or enter into any settlement that
           provides for injunctive or other nonmonetary relief affecting the
           Indemnified Party or that does not include as an



                                      -4-
<PAGE>




           unconditional term thereof the giving by each claimant or plaintiff
           to such Indemnified Party of a release from all liability with
           respect to such claim or litigation. In any event, the Indemnifying
           Party and the Indemnified Party shall cooperate in the defense of any
           claim or litigation subject to this Section 5.2 and the records of
           each shall be available to the other with respect to such defense.

6.   Tag Along Rights.

           None of COM, Eagle River or COM's other Affiliates (other than the
Company) owning shares of capital stock of the Company (collectively, the "COM
Holders") may sell, assign, or otherwise transfer in any transaction or series
of related transactions (a "Sale") either (i) fifty percent (50%) or more of the
shares of capital stock of the Company ("Stock") held by them at the time of
such Sale or (ii) that number of shares of Stock that results in a Change of
Control as defined below (either (i) or (ii) being a "Sale of Control") without
triggering application of this Section 6.

           If any or all of the COM Holders (the "Selling Shareholders") intend
to effect a Sale of Control, COM shall give written notice (the "Seller's
Notice") to WPM stating that the Selling Shareholders intend to effect such a
Sale of Control, identifying the party who made the subject offer (the "Proposed
Transferee"), specifying the number of shares of Stock proposed to be sold,
transferred or otherwise affected under such offer (the "Sale Shares"), and
specifying the per share price and any other consideration that the Proposed
Transferee has offered to pay for the Sale Shares and all other terms of such
offer (the "Sale Price and Terms"). A written copy of the offer shall be
attached to the Seller's Notice. For purposes of this Section 6, "Change of
Control" shall occur or exist when COM and his Affiliates cease to be able to
elect a majority of the Board of Directors of the Company.

           WPM, on her own behalf and on behalf of her Affiliates owning shares
of capital stock of the Company (collectively, the "WPM Holders"), shall have
the right upon written notice by WPM to COM within ten (10) business days after
receiving the Seller's Notice, to participate on a pro rata basis in the Selling
Shareholders' Sale of Sale Shares at and upon the Sale Price and Terms. The
number of Sale Shares to be sold shall be allocated pro rata between the Selling
Shareholders and, as directed by WPM, the participating WPM Holders, based on
the total number of shares of Stock owned by the COM Holders and the total
number of shares of Stock held by all WPM Holders at the time of such Sale;
provided, however, that WPM may elect to have the participating WPM Holders sell
all or any portion of their collective pro rata share of the Sale Shares.

           The participating WPM Holders shall effectuate the sale or transfer
by promptly delivering to COM for transfer to the Proposed Transferee one or
more certificates, properly endorsed for transfer, which represent the number of
shares of Stock which WPM elects to sell or transfer.

           The stock certificates that the WPM Holders deliver to COM shall be
transferred by the Selling Shareholders to the Proposed Transferee in
consummation of the Sale of the Sale Shares pursuant to the terms and conditions
specified in the Seller's Notice, and the Selling Shareholders shall promptly
thereafter remit to the participating WPM Holders that portion of the Sale
proceeds to which the participating WPM Holders are entitled by reason of their
participation in such Sale, without reduction or adjustment other than for
transaction costs ascertained on a pro rata basis.

           The exercise or non-exercise of the rights of the WPM Holders
hereunder to participate in one or more Sales of Control made by the COM Holders
shall not adversely affect their rights to participate in subsequent Sales of
Control by the COM Holders.




                                      -5-
<PAGE>





           In the event any of the Selling Shareholders attempt to effect or
engage in a Sale of any shares of Stock of the Company in contravention of this
Section 6, then, in addition to whatever other rights WPM may have in law or in
equity, WPM shall have a put option against the Selling Shareholders to sell
that number of shares of Stock that is equal to the pro rata share of the WPM
Holders of the Sale Shares to the Selling Shareholders at and upon the Sale
Price and Terms in order to effect the intent of this Agreement as set forth in
this Section 6.

7.   Drag Along Rights.

           If any or all of the COM Holders (the "Transferring Holders") agree
to effect or engage in a Sale of at least 51% of the total shares of Stock then
held by all of the COM Holders in a bona fide arm's-length transaction with a
third party that is not an Affiliate, then the Transferring Holders may elect to
require the WPM Holders to vote all of the shares of Stock held by the WPM
Holders affirmatively for the transaction and to sell to the proposed purchaser
(the "Proposed Purchaser") all or part of the Applicable Percentage (as defined
below) of the total number of shares of Stock then held by the WPM Holders,
concurrently with the Sale by the Transferring Holders and at the same price per
share; provided, however, that the Sale of such shares of Stock by the WPM
Holders is in accordance with all applicable securities laws and does not
violate any applicable law or regulation. In the case of such a transaction
involving a COM Affiliate, the Transferring Holders shall have the same rights,
including the right to require that WPM vote her shares in favor of the
transaction and that she tender her shares, but WPM may elect either to accept
the transaction price or, as part of the contractual rights hereby granted to
WPM, to have the price paid for her shares be in cash at fair market value as
subsequently determined by any court of competent jurisdiction. As used in this
Agreement, "Applicable Percentage" shall mean the percentage of the total number
of shares then held by all of the COM Holders that is proposed to be sold or
transferred by the Transferring Holders.

           Such election shall be made by the Transferring Holders by delivering
to the WPM Holders a written notice (the "Drag Along Notice") informing them of
the material terms of the proposed Sale, including, without limitation, the
identity of the Proposed Purchaser, the number of shares of Stock proposed to be
sold or otherwise transferred, the per share price that the Proposed Purchaser
has offered to pay (the "Offered Price") and the scheduled closing date for the
Sale transaction (the "Sale Date"). Notwithstanding anything to the contrary
herein, WPM shall not be required to participate in any Sale unless the Offered
Price equals or exceeds the Current Market Value. For purposes of this Section
7, "Current Market Value" shall mean the average of the closing prices of
Company Class A Common Stock on NASDAQ (or the principal national securities
exchange on which the Class A Common Stock is then traded) for the twenty (20)
trading days immediately preceding the initial public notice of the transaction.

           At least three (3) days prior to the Sale Date specified in the Drag
Along Notice, the WPM Holders shall deliver to the Transferring Holders
certificate(s) evidencing the number of shares of Stock to be sold by the WPM
Holders, duly endorsed for transfer to the Proposed Purchaser. On the Sale Date,
and provided that the Transferring Holders consummate such Sale, the
Transferring Holders shall deliver to the Proposed Purchaser certificate(s)
evidencing the shares of Stock being sold by the WPM Holders against payment of
the aggregate Offered Price (or, in the case of a judicial determination, fair
market value) therefor, and the Transferring Holders shall promptly (or as soon
as practicable following a judicial determination of fair market value) remit
such payment to the WPM Holders in the respective amounts due them without
reduction or adjustment other than for transaction costs ascertained on a pro
rata basis.



                                      -6-
<PAGE>

8.   Board Representation Rights.

     8.1   WPM Nominee.  WPM shall be entitled,  but not required,  to 
           designate one (1) member to the Board of Directors of the Company 
           (the "WPM Nominee").

     8.2   Election of WPM Nominee.  Eagle River and COM shall vote,  and
           shall cause all of COM's Affiliates to vote, all of the shares of the
           Company owned or held of record by them, or as to which they hold
           proxies, at all regular and special meetings of the stockholders of
           the Company called or held for the purpose of filling positions on
           the Board of Directors, and in each written consent executed in lieu
           of such a meeting of stockholders, in favor of and otherwise to
           support the election to the Board of Directors of the WPM Nominee.

     8.3   Removal of WPM  Nominee.  Eagle  River and COM shall use their
           respective best efforts to call, or cause the appropriate officers
           and directors of the Company to call, a special meeting of
           stockholders of the Company and to vote all of the shares of the
           Company owned or held of record by them, or as to which they hold
           proxies, for, or to take all actions by written consent in lieu of
           any such meeting necessary to cause, the removal (with or without
           cause) of any WPM Nominee if WPM requests such director's removal in
           writing for any reason. WPM shall have the right to designate a new
           nominee in the event the WPM Nominee shall be so removed under this
           Section 8.3 or shall vacate his or her directorship for any reason.
           Except as provided in this Section 8.3, each party hereto agrees that
           at any time that it is then entitled to vote for the election or
           removal of directors, it will not vote in favor of the removal of any
           WPM Nominee unless (i) such removal shall be at the request of WPM or
           (ii) the right of WPM to nominate such director has terminated in
           accordance with Section 8.4.

     8.4   Termination  of Right to Designate  WPM Nominee.  The right of
           WPM to designate a member to the Board of Directors under this
           Section 8 shall terminate at such time as either (i) WPM has sold
           fifty percent (50%) or more of the aggregate number of shares of the
           Company held by her upon the distribution of the Shares hereunder or
           (ii) the combined voting power of WPM, COM, Eagle River, Nextlink,
           Inc., and all other Affiliates of COM is insufficient to elect three
           (3) members of the Company's Board of Directors.

9.   Information Rights.

           WPM, at her sole option, shall have the right to receive from COM,
concurrently with the distribution to members of the Company's Board of
Directors, copies of all notices, minutes, consents, and any other written
materials that the Company provides on and after the Effective Date to its
directors in connection with Board meetings or otherwise. WPM shall provide
written notice to COM of her election under this Section 9 and may change her
election or terminate her right under this Section 9 at any time in her sole
discretion upon written notice to COM.

10.  Piggy-back Registration Rights.

           Concurrently with the execution hereof, the Company and WPM shall
enter into the Nextlink Registration Rights Agreement in the form attached
hereto as Exhibit C. In addition, if COM, 




                                      -7-
<PAGE>



Eagle River, Nextlink, Inc. or any of COM's other Affiliates are, or at a later
date become, parties to an agreement granting such party or parties registration
rights with respect to securities of the Company, the Company shall grant (and
Eagle River and COM, individually and on behalf of their Affiliates, will take
all action necessary to cause the Company to grant) WPM piggy-back registration
rights with respect to the Shares, which shall be pro rata based upon the ratio
of the number of Shares then held by her and her Affiliates to the total number
of shares then held by COM and Affiliates and shall be equal in priority
(including cutback restrictions) and equal in frequency and number of
registration opportunities to the registration rights held by such other party.

11.  Proxy and Lockup

           Concurrently with the execution hereof, WPM shall grant to COM a
Proxy in the form attached hereto as Exhibit D and shall grant to the Company a
lockup undertaking in the form previously executed by COM in connection with the
Company's IPO and attached as Exhibit E.

12.  Waiver of Conversion Rights.

           The Company hereby irrevocably waives its right to require the
conversion into shares of Class A Common Stock of any of the shares of Class B
Common Stock either (i) distributed to WPM or her Affiliates on the Effective
Date or (ii) transferred after the Effective Date between or among WPM and her
Affiliates. COM, Eagle River and Nextlink, Inc. agree to cause their respective
representatives and those of their Affiliates on the Company's Board of
Directors to vote at all regular and special meetings of the Board of Directors
of the Company (and in each written consent executed in lieu of such a meeting)
to ensure that the Company takes all actions otherwise necessary to comply with
the provisions hereof; provided, however, that this waiver shall not apply to
any subsequent transfer by WPM or any of her Affiliates to any third party not
affiliated with WPM or her Affiliates.

13.  Miscellaneous.

     13.1 Assignment. This Agreement shall be binding upon and shall inure
to the benefit of the Parties hereto and their respective successors and
assigns. No Party to this Agreement may assign this Agreement without the prior
written consent of the other Parties hereto, except that both COM and WPM, both
before and after the Effective Date, may assign their rights and obligations
under this Agreement to any of their Affiliates; provided, however, that in
neither case does such an assignment relieve the assigning Party of his or her
obligations under this Agreement.

     13.2 Specific Performance. The Parties recognize that in the event that any
Party defaults in the performance of its obligations under this Agreement,
monetary damages alone will not be adequate. Therefore, in addition to bringing
an action for breach of contract and/or indemnification under this Agreement,
any Party shall be entitled to obtain specific performance of the terms of this
Agreement. In any action to enforce specifically the performance of this
Agreement, the defending Party shall waive the defense that there is an adequate
remedy at law or equity and agree that specific performance is an appropriate
remedy for breach or default except where specific performance is not feasible.

     13.3 Further Assurances. Each of the Parties hereto shall cooperate, shall
take such further action and shall execute and deliver such further documents as
may be reasonably requested by the other Parties in order to carry out the
provisions and purposes of this Agreement. In particular, Eagle River shall
cause duly endorsed stock powers transferring the Shares to be delivered to WPM
or her representatives as set forth herein.




                                      -8-
<PAGE>



     13.4 Organizational Documents. Eagle River, COM, and COM's Affiliates agree
to use their best efforts to cause the Company to act in accordance with its
organizational documents in all material respects. Eagle River, COM, and COM's
Affiliates shall vote all the shares owned or held of record by them at any
regular or special meeting of stockholders of the Company or in any written
consent executed in lieu of such a meeting of stockholders, and shall take all
action necessary, to ensure (to the extent within the Parties' collective
control) that the organizational documents of the Company do not, at any time,
conflict with the provisions of this Agreement.

     13.5 Governing Law. This Agreement shall be governed by and interpreted and
enforced in accordance with the laws of the State of Washington.

     13.6 Amendment; Waiver. Neither this Agreement nor any provision hereof may
be amended, waived, discharged or terminated, except by a written instrument
signed by each of the Parties sought to be bound thereby that specifically
references this Agreement and any such amendment, waiver, discharge or
termination.

     13.7 Severability. To the extent any provision of this Agreement shall be
invalid or unenforceable, it shall be considered deleted from this Agreement and
the remaining provisions of this Agreement shall be unaffected and shall
continue in full force and effect.

     13.8 Certain Rules of Construction. Any ambiguities shall be resolved
without reference to which party may have drafted this Agreement. All Article or
Section titles or captions contained in this Agreement are for convenience only,
and they shall not be deemed part of this Agreement and in no way define, limit,
extend or describe the scope or limit of any provisions hereof. Unless the
context otherwise requires: (i) a term has the meaning assigned to it; (ii) "or"
is not exclusive; (iii) words in the singular include the plural, and words in
the plural include the singular; (iv) provisions apply to successive events and
transactions; (v) "herein," "hereof" and other words of similar import refer to
this Agreement as a whole and not to any particular Article, Section or other
subdivision; (vi) all references to "Articles" or "Sections" refer to Articles
and Sections of this Agreement unless otherwise specifically indicated; and
(vii) any pronoun used in this Agreement shall include the corresponding
masculine, feminine and neuter forms.

     13.9 Notices. All notices and other communications required or permitted to
be given hereunder or which are given with respect to this Agreement shall be in
writing and shall be personally served or mailed, registered or certified,
return receipt requested, postage prepaid (or by a substantially similar
method), or delivered by a reputable overnight courier service with charges
prepaid, or transmitted by hand delivery, telegram, telex or facsimile,
addressed as set forth on Exhibit F hereto, or such other address as such party
shall have specified most recently by written notice. Notice shall be deemed
given or delivered on the date of service or transmission if personally served
or transmitted by hand delivery, telegram, telex or facsimile. Notice otherwise
sent as provided herein shall be deemed given or delivered on the fifth business
day following the date mailed or on the next business day following delivery of
such notice to a reputable overnight courier service.


     13.10 Attorneys' Fees. If any legal action or other proceeding is commenced
that is related to this Agreement, the prevailing Party shall be entitled to
receive from the other party or parties its reasonable legal fees and expenses
incurred in the preparation of, conduct of or appeal or enforcement of judgment
from the proceeding.




                                      -9-
<PAGE>



     13.11 Counterparts. This Agreement may be executed in any number of
counterparts, each of which when so executed and delivered, shall be deemed to
be an original and all of which, taken together, shall constitute one and the
same Agreement, and may be executed by FAX.

     13.12 Agreement Effective After Death. Should the death of either COM or
WPM occur, all provisions of this Agreement shall nonetheless be valid and shall
be enforceable by or against the estate and heirs of COM and WPM insofar as
applicable law permits.

                            [signature page follows]




                                      -10-
<PAGE>




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



WENDY P. McCAW                             EAGLE RIVER INVESTMENTS, LLC


/s/ Wendy P. McCaw                         By:  /s/ Craig O. McCaw
- ------------------                         Name:  Craig O. McCaw
                                           Its:       Managing Member


CRAIG O. McCAW                             NEXTLINK COMMUNICATIONS, INC.


/s/ Craig O. McCaw                         By:  /s/ R. Bruce Easter, Jr.
- ------------------                         Name: R. Bruce Easter
                                           Its: Vice President
                                           (As to Sections 10, 12 and 13 only)






                                      -11-

<PAGE>



                                    EXHIBIT A
                          Copies of Stock Certificates

See attached.




                                      -12-
<PAGE>







NUMBER                                                  SHARES
NXTB 0034                                              9,722,649


                                                         [LOGO]
    THE RIGHTS, PREFERENCES AND                NEXTLINK COMMUNICATIONS, INC.
LIMITATIONS OF THE CLASS A COMMON
STOCK REPRESENTED BY THIS CERTIFICATE      INCORPORATED UNDER THE LAWS OF THE 
ARE DETERMINED BY THE ARTICLES OF                STATE OF WASHINGTON
INCORPORATION ESTABLISHING THE RIGHTS,   
PREFERENCES AND LIMITATIONS OF THIS         CLASS B COMMON STOCK, PAR VALUE
CLASS OF SHARES, WHICH WAS APPROVED                 $.02 PER SHARE
BY THE BOARD OF DIRECTORS OF THE
CORPORATION AND FILED WITH THE             SEE REVERSE FOR CERTAIN DEFINITIONS
SECREARY OF STATE OF THE STATE OF
WASHINGTON.  A COPY OF THE ARTICLES OF
INCORPORATION IS AVAILABLE FROM THE
CORPORATION WITHOUT CHARGE TO SHAREHOLDERS
UPON WRITTEN REQUEST.


- -----------------------------------------------------------------
          THIS IS TO CERTIFY THAT

                                 Wendy P. McCaw


   is the owner of

Nine Million Seven Hundred Twenty-Two Thousand Six Hundred Forty Nine

FULLY PAID AND NON-ASSESSABLE SHARES OF THE CLASS B COMMON STOCK, PAR VALUE $.02
PER SHARE, OF

                          NEXTLINK COMMUNICATIONS, INC.

transferable on the books of the Corporation by the holder hereof in person
or by a duly authorized attorney upon surrender of this certificate properly
endorsed. This certificate and the shares represented hereby are issued and
shall be held subject to all of the provisions of the Articles of Incorporation
of the Corporation and all amendments thereto to all of which the holder by the
acceptance hereof assents.

     WITNESS the signatures of its duly authorized officers.

Dated: 10/31/97

/s/R. BRUCE EASTER   SECRETARY     /s/KATHLEEN H. ISKRA       VICE PRESIDENT






                                      -13-
<PAGE>






                            NEXTLINK COMMUNICATIONS, INC.

     The Corporation will furnish to any shareholder, upon written request and
without charge, a full statement of the designations, relative rights,
preferences and limitations applicable to the Class A Common Stock, the Class B
Common Stock, the Preferred Stock and any series of Preferred Stock, and the
authority of the Board of Directors to determine variations for future series of
Preferred Stock.

     The shares of Class B Common Stock evidenced by this certificate have not
been registered under the Securities Act of 1933, as amended, the Securities Act
of Washington, or the securities act of any state (collectively, the "securities
acts"). They may not be sold or offered for sale in the absence of an effective
registration statement under the applicable securities acts, or an opinion of
counsel satisfactory to the Corporation that an exemption from such registration
requirements is available and that such registration is not required.

     If this certificate is presented for transfer, each share of Class B Common
Stock evidenced hereby may, at the option of the Corporation in its sole
discretion, be converted into one share of the Corporation's Class A Common
Stock, whether such transfer results from a contractual obligation of the holder
of this certificate, by operation of law, by a change in control of the holder
of this certificate, by testamentary disposition or gift, or for any other
reason.

     The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common     UNIF GIFT MIN ACT -- ......Custodian........
TEN ENT - as tenants by the entireties                  (Cust)          (Minor)
JT TEN - as joint tenants with right of            Under Uniform Gifts to Minors
survivorship and not as tenants in common          Act.........................
                                                               (State)
Additional abbreviations may also be used though not in the above list.

   For Value  Received,_______________  hereby sells, assigns and transfers unto
PLEASE INSERT SOCIAL SECURITY OR OTHER
   IDENTIFYING NUMBER OF ASSIGNEE
- --------------------------------------

- --------------------------------------
- ------------------------------------------------------------------------------
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

- ------------------------------------------------------------------------------
                                                                 Shares ---- of 
the capital stock represented by the within Certificate, and do hereby 
irrevocably constitute and appoint 
                                                                 Attorney --- 
to transfer the said stock on the books of the within named Corporation with 
full power of substitution in the premises.

Dated     -------------------------
                                       X
                                        --------------------------------------
SIGNATURE GUARANTEED
                                       X
                                        --------------------------------------

     THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN
UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OF
ENLARGEMENT OR ANY CHANGE WHATSOEVER. THE SIGNATURE(S) SHOULD BE GUARANTEED BY
AN ELIGIBLE GUARANTOR INSTITUTION, (Banks, Stockbrokers, Savings and Loan
Associations and Credit Unions) WITH MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM PURSUANT TO S.E.C. RULE 7Ad-15.





                                      -14-
<PAGE>






                                    EXHIBIT B
                               Existing Agreements

NEXTLINK Communications, Inc.
- -----------------------------

       Articles of Incorporation of Nextlink Communications, Inc. dated 
       January 14, 1997

       Bylaws of Nextlink Communications, Inc.

       Stock Option Plan of Nextlink Communications, Inc. dated January 15, 1997

       Registration Rights Agreement dated January 15, 1997 between Nextlink
       Communications, Inc. and the holders of Class B Common Stock named
       therein.






                                      -15-
<PAGE>






                                    EXHIBIT C
                 Form of Nextlink Registration Rights Agreement


See attached.





                                      -16-
<PAGE>






                          REGISTRATION RIGHTS AGREEMENT

          THIS REGISTRATION RIGHTS AGREEMENT, dated as of November 3, 1997,
is between NEXTLINK COMMUNICATIONS, INC., a Washington corporation (the
"Company") and Wendy P. McCaw.

          WHEREAS, Wendy P. McCaw currently owns 9,722,649 shares of Class B
common stock, $.02 par value, of the Company, (the "Class B Common Stock"); and

          WHEREAS, the Company wishes to grant Wendy P. McCaw and her controlled
affiliates holding shares of capital stock of the Company (collectively, "WPM")
certain registration rights with respect to the shares of Class A common stock,
par value $.02 per share of the Company (the "Class A Common Stock") for which
the shares of Class B Common Stock are convertible that WPM may acquire in the
future, as provided further herein.

          NOW THEREFORE, in consideration of the promises herein contained and
other good and valuable consideration, the parties hereto agree as follows:

          1. Definitions.

          As used in this Agreement:

          (i) the terms "register," "registered" and "registration" refer to a
registration effected by preparing and filing a registration statement in
compliance with the Act (and any post-effective amendments filed or required to
be filed) and the declaration or ordering of effectiveness of such registration
statement;

          (ii) the term "Registrable Securities" means (A) all shares of Class A
Common Stock owned by WPM as of the date hereof, (B) any shares of Class A
Common Stock acquired by WPM through conversion of Class B Common Stock or
otherwise and (C) any capital stock of the Company issued as a dividend or other
distribution with respect to, or in exchange for or in replacement of, the
shares of Class A Common Stock referred to in clause (A) or (B) above;

          (iii) the term "Other Holders" shall mean those parties that are a
signatory to that certain Registration Rights Agreement dated January 15, 1997
among the Company and the parties listed on Schedule A hereto;

          (iv) "Commission" shall mean the Securities and Exchange Commission or
any other federal agency at the time administering the Act;

          (v) "Registration Expenses" shall mean all third-party expenses
incurred by the Company in compliance with Sections 2 and 3 hereof, including,
without limitation, all registration and filing fees, printing expenses, fees
and disbursements of counsel for the Company and the underwriters, if any, blue
sky fees and expenses and the third-party expenses of any special audits
incident to or required by any such registration (but excluding the compensation
of regular employees of the Company, which shall be paid in any event by the
Company);






                                      -17-
<PAGE>



          (vi) "Selling Expenses" shall mean all underwriting discounts and
selling commissions applicable to the sale of securities and all fees and
disbursements of counsel for each of the holders of registered securities;

          (vii) "Act" shall mean the Securities Act of 1933, as amended; and

          (viii) "Exchange Act" shall mean the Securities Exchange Act of 1934.

          2. Requested Registration.

          (i) Request for Registration. If the Company shall receive from WPM,
at any time after the earlier of (x) the announcement of the Company's first
quarter 1998 financial results or (y) June 30, 1998, a written request that the
Company effect any registration with respect to all or a part of the Registrable
Securities, the Company will, subject to compliance with any applicable
underwriters' lock-up agreements in effect as of the date hereof:

                    (A) promptly give written notice of the proposed 
          registration qualification or compliance to all Other Holders; and

                    (B) as soon as practicable, use its diligent best efforts to
          effect such registration (including, without limitation, the execution
          of an undertaking to file post-effective amendments, appropriate
          qualification under applicable blue sky or other state securities laws
          and appropriate compliance with applicable regulations issued under
          the Act) as may be so requested and as would permit or facilitate the
          sale and distribution as soon as is practicable of all or such portion
          of such Registrable Securities as are specified in such request,
          together with all or such portion of the Registrable Securities of any
          Holder or Holders joining in such request as are specified in a
          written request received by the Company within twenty (20) business
          days after written notice from the Company is given under Section
          2(i)(A) above; provided that the Company shall not be obligated to
          effect, or take any action to effect, any such registration pursuant
          to this Section 2:

                    (a) In any particular jurisdiction in which the Company
               would be required to execute a general consent to service of
               process in effecting such registration, qualification or
               compliance, unless the Company is already subject to service in
               such jurisdiction and except as may be required by the Act or
               applicable rules or regulations thereunder;

                    (b) After the Company has effected one (1) such registration
               pursuant to this Section 2 and such registration has been
               declared or ordered effective and the sales of such Registrable
               Securities shall have closed;

                    (c) If the securities requested by WPM and all Other Holders
               to be registered pursuant to such request have an anticipated
               aggregate public offering price (before any underwriting
               discounts and commissions) of less than $10,000,000.

          The registration statement filed pursuant to the request of WPM may,
subject to the provisions of Section 2(ii) below, include other securities of
the Company which are held by officers or directors of the Company, or which are
held by persons who, by virtue of agreements with the Company, are entitled to
include their securities in any such registration, but the Company shall have no
absolute right to include any of its securities in any such registration.

 




                                      -18-
<PAGE>



     The registration rights set forth in this Section 2 are personal to WPM and
shall not be  assignable,  by operation of law or otherwise,  to any third party
not affiliated with WPM

     (ii) Underwriting.  If WPM intends to distribute the Registrable Securities
covered by WPM's request by means of an  underwriting,  they shall so advise the
Company as a part of their request made pursuant to Section 2.

     If officers or directors of the Company  holding  other  securities  of the
Company shall request inclusion in any registration pursuant to Section 2, or if
holders of securities of the Company other than  Registrable  Securities who are
entitled, by contract with the Company or otherwise, to have securities included
in such a registration (the "Other  Stockholders")  request such inclusion,  WPM
shall offer to include the  securities  of such  officers,  directors  and Other
Stockholders  in  the  underwriting  and  may  condition  such  offer  on  their
acceptance of the further  applicable  provisions of this Section 2. WPM and the
Company  shall  (together  with all officers,  directors and Other  Stockholders
proposing to distribute their securities through such  underwriting)  enter into
an  underwriting  agreement in  customary  form with the  representative  of the
underwriter or underwriters selected for such underwriting by WPM and reasonably
acceptable to the Company.  Notwithstanding  any other provision of this Section
2, if the representative advises WPM that marketing factors require a limitation
on the number of shares to be  underwritten,  the securities of the Company held
by  officers  or  directors  of the  Company  and the  securities  held by Other
Stockholders  (other  than the  Other  Holders)  shall  be  excluded  from  such
registration  to the  extent  so  required  by such  limitation.  If,  after the
exclusion of such shares,  further reductions are still required,  the number of
shares  included  in the  registration  by WPM and each  Other  Holder  shall be
reduced on a pro rata basis  (based on the number of shares  proposed to be sold
by WPM or such Other Holders),  by such minimum number of shares as is necessary
to comply with such request.  No Registrable  Securities or any other securities
excluded  from  the  underwriting  by  reason  of  the  underwriter's  marketing
limitation shall be included in such registration.  If any officer,  director or
Other  Stockholder who has requested  inclusion in such registration as provided
above  disapproves  of the terms of the  underwriting,  such person may elect to
withdraw  therefrom by written notice to the Company,  the  underwriter and WPM.
The securities so withdrawn  shall also be withdrawn from  registration.  If the
underwriter  has not  limited  the  number of  Registrable  Securities  or other
securities to be  underwritten,  the Company may include its  securities for its
own  account in such  registration  if the  representative  so agrees and if the
number of Registrable Securities and other securities which would otherwise have
been included in such registration and underwriting will not thereby be limited.

      (iii) Notwithstanding the foregoing, if the Company shall furnish to WPM a
certificate signed by the President or Chief Executive Officer of the Company
stating that in the good faith judgment of the Board of Directors of the
Company, it would be seriously detrimental to the Company and its shareholders
for such registration statement to be filed and it is therefore essential to
defer the filing of such registration statement, then the Company shall have the
right to defer such filing for a period of not more than 120 days after receipt
of the request of WPM; provided, however, that the Company may not utilize this
right more than once in any twelve (12) month period.

          3. Company Registration.

          (i) If, at any time, the Company shall determine to register any of
its equity securities either for its own account or for the account of a
security holder or holders exercising their respective demand registration
rights, other than a registration relating solely to employee benefit plans, or
a registration relating solely to a Commission Rule 145 transaction, or a
registration on any registration form which does not permit secondary sales or
does not include substantially the same information as 





                                      -19-
<PAGE>


would be required to be included in a registration  statement  covering the
sale of Registrable Securities, the Company will:

          (A) promptly give to WPM a written notice thereof (which shall include
     a list of the  jurisdictions  in which the  Company  intends  to attempt to
     qualify  such  securities  under  the  applicable  blue sky or other  state
     securities laws); and

          (B) include in such registration (and any related qualification under
     blue sky laws or other compliance), and in any underwriting involved
     therein, all the Registrable Securities specified in a written request or
     requests, made by WPM within twenty (20) days after receipt of the written
     notice from the Company described in clause (i) above, except as set forth
     in Section 3(ii) below. Such written request may specify all or a part of
     the WPM's Registrable Securities.

          (ii) Underwriting. If the registration of which the Company gives
notice is for a registered public offering involving an underwriting, the
Company shall so advise WPM as a part of the written notice given pursuant to
Section 3(i)(A). In such event, the right of WPM to registration pursuant to
this Section 3 shall be conditioned upon WPM's participation in such
underwriting and the inclusion of WPM's Registrable Securities in the
underwriting to the extent provided herein. WPM shall (together with the Company
and the Other Stockholders distributing their securities through such
underwriting) enter into an underwriting agreement in customary form with the
representative of the underwriter or underwriters selected for underwriting by
the Company. Notwithstanding any other provision of this Section 3, if the
representative determines that marketing factors require a limitation on the
number of shares to be underwritten, the representative may (subject to the
allocation priority set forth below) limit the number of Registrable Securities
to be included in the registration and underwriting. The Company shall so advise
all holders of securities requesting registration, and the number of shares of
securities that are entitled to be included in the registration and underwriting
shall be allocated in the following manner: The securities of the Company held
by officers, directors and Other Stockholders (other than the Other Holders) of
the Company (other than securities held by holders who by contractual right
initiated the demand for such registration ("Demanding Holders")) shall be
excluded from such registration and underwriting to the extent required by such
limitation, and, if a limitation on the number of shares is still required, the
number of shares that may be included in the registration and underwriting by
WPM and each of the Other Holders and Demanding Holders shall be reduced, on a
pro rata basis (based on the number of shares proposed to be sold by WPM and
such Other Holders or Demanding Holders), by such minimum number of shares as is
necessary to comply with such limitation. If any of WPM or such Other Holders or
Demanding Holders or any officer, director or Other Stockholder disapproves of
the terms of any such underwriting, he may elect to withdraw therefrom by
written notice to the Company and the underwriter. Any Registrable Securities or
other securities excluded or withdrawn from such underwriting shall be withdrawn
from such registration.

          (iii) Number and Transferability. WPM shall be entitled to have their
shares included in an unlimited number of registrations pursuant to this Section
3. The registration rights granted pursuant to this Section 3 are personal to
WPM and shall not be assignable, by operation of law or otherwise to any third
party not affiliated with WPM.

          4. Expenses of Registration. All Registration Expenses and Selling
Expenses incurred in connection with any registration, qualification or
compliance pursuant to Section 2 of this Agreement shall be borne by the holders
of the securities so registered pro rata on the basis of the number of shares so
registered. Without limiting the generality of the foregoing, in the event the
Company includes shares in any registration, qualification or compliance
pursuant to Section 2 of this Agreement, the Company shall 



                                      -20-
<PAGE>



pay the Registration  Expenses in proportion to the Company's share of the total
number  of shares  included  in such  registration.  All  Registration  Expenses
incurred  in  connection  with any  registration,  qualification  or  compliance
pursuant  to Section 3 of this  Agreement  shall be borne by the Company (or the
Demanding  Holders if so provided in the applicable  contract),  and all Selling
Expenses  incurred in connection with any such  registration,  qualification  or
compliance shall be borne by the holders of securities so registered pro rata on
the basis of the number of shares so registered.

          5. Registration Procedures. In the case of each registration effected
by the Company pursuant to this Agreement, the Company will keep WPM as
applicable, advised in writing as to the initiation of each registration and as
to the completion thereof. The Company will:

               (i) Keep such registration effective for a period of one hundred
     eighty (180) days or until WPM, has completed the distribution described in
     the registration statement relating thereto, whichever first occurs;
     provided, however, that (A) such 180-day period shall be extended for a
     period of time equal to the period during which WPM will refrain from
     selling any securities included in such registration in accordance with
     provisions in Section 9 hereof; and (B) in the case of any registration of
     Registrable Securities on Form S-3 which are intended to be offered on a
     continuous or delayed basis, such 180-day period shall be extended until
     all such Registrable Securities are sold, provided that Rule 415, or any
     successor rule under the Act, permits an offering on a continuous or
     delayed basis, and provided further that applicable rules under the Act
     governing the obligation to file a post-effective amendment permit, in
     lieu of filing a post-effective amendment which (1) includes any prospectus
     required by Section 10(a) of the Act or (2) reflects facts or events
     representing a material or fundamental change in the information set forth
     in the registration statement, the incorporation by reference of
     information required to be included in (1) and (2) above to be contained in
     periodic reports filed pursuant to Section 12 or 15(d) of the Exchange Act
     in the registration statement.

               (ii) Furnish such number of prospectuses and other documents
     incident thereto as WPM, from time to time may reasonably request;
     provided, however, that WPM and the other holders of securities so
     registered, pro rata on the basis of the number of their shares so included
     in such registration, reimburse the Company for expenses incurred in
     performing its obligations under this Section 5.

               (iii) Prepare and file with the SEC such amendments and
     supplements to such registration statement and the prospectus used in
     connection with such registration statement as may be necessary to comply
     with the provisions of the Act with respect to the disposition of all
     securities covered by such registration statement.

               (iv) Use its best efforts to register and qualify the securities
     covered by such registration statement under such other securities or Blue
     Sky laws of such jurisdictions as shall be reasonably requested by WPM,
     provided that the Company shall not be required in connection therewith or
     as a condition thereto to qualify to do business or to file a general
     consent to service of process in any such states or jurisdictions.

               (v) In the event of any underwritten public offering, enter into
     and perform its obligations under an underwriting agreement, in usual and
     customary form, with the managing underwriter of such offering. WPM shall
     also enter into and perform their obligations under such an agreement.

 


                                      -21-
<PAGE>

          (vii)  Furnish,  at the  request  of  WPM,  on  the  date  that  WPM's
     Registrable  Securities  are  delivered  to the  underwriters  for  sale in
     connection  with  a  registration  pursuant  to  this  Agreement,  if  such
     securities are being sold through underwriters,  or, if such securities are
     not being  sold  through  underwriters,  on the date that the  registration
     statement  with  respect  to  such  securities  becomes  effective,  (A) an
     opinion,  dated such date, of the counsel  representing the Company for the
     purposes of such  registration,  in form and  substance  as is  customarily
     given to underwriters in an underwritten public offering,  addressed to the
     underwriters, if any, and to WPM and (B) a letter dated such date, from the
     independent  certified  public  accountants  of the  Company,  in form  and
     substance  as  is  customarily   given  by  independent   certified  public
     accountants to underwriters in an underwritten  public offering,  addressed
     to the underwriters, if any, and to WPM.

          6. Indemnification.

          (i) The Company will indemnify WPM and each of the officers, directors
and partners and each person controlling each of the WPM entities (collectively
the "WPM Indemnified Parties"), with respect to each registration which has been
effected pursuant to this Agreement, and each underwriter, if any, and each
person who controls any underwriter, against all claims, losses, damages and
liabilities (or actions in respect thereof) arising out of or based on any
untrue statement (or alleged untrue statement) of a material fact contained in
any prospectus, offering circular or other document (including any related
registration statement, notification or the like) incident to any such
registration, qualification or compliance, or based on any omission (or alleged
omission) to state therein a material fact required to be stated therein or
necessary to make the statements therein not misleading, or any violation by the
Company of the Act or any rule or regulation thereunder applicable to the
Company and relating to action or inaction required of the Company in connection
with any such registration, qualification or compliance, and will reimburse each
of the WPM Indemnified Parties, each such underwriter and each person who
controls any such underwriter, for any legal and any other expenses reasonably
incurred in connection with investigating and defending any such claim, loss,
damage, liability or action, provided that the Company will not be liable in any
such case to the extent that any such claim, loss, damage, liability or expense
arises out of or is based on any untrue statement or omission based upon written
information furnished to the Company by WPM or the underwriter and stated to be
specifically for use therein.

          (ii) WPM will, if Registrable Securities held by WPM are included in
the securities as to which such registration, qualification or compliance is
being effected, indemnify the Company, each of its directors and officers and
each underwriter, if any, of the Company's securities covered by such a
registration statement, each person who controls the Company or such underwriter
within the meaning of the Act and the rules and regulations thereunder, each
Other Stockholder and each of their officers, directors, and partners, and each
person controlling such Other Stockholder against all claims, losses, damages
and liabilities (or actions in respect thereof) arising out of or based on any
untrue statement (or alleged untrue statement) of a material fact contained in
any such registration statement, prospectus, offering circular or other document
made by WPM, or any omission (or alleged omission) to state therein a material
fact required to be stated therein or necessary to make the statements by WPM
therein not misleading, and will reimburse the Company and such Other
Stockholders, directors, officers, partners, persons, underwriters or control
persons for any legal or any other expenses reasonably incurred in connection
with investigating or defending any such claim, loss, damage, liability or
action, in each case to the extent, but only to the extent, that such untrue
statement (or alleged untrue statement) or omission (or alleged omission) is
made in such registration statement, prospectus, offering circular or other
document in reliance upon and in conformity with written information furnished
to the Company by WPM 


                                      -22-
<PAGE>


and stated to be  specifically  for use  therein;  provided,  however,  that the
obligations  of WPM  hereunder  shall be limited  to an amount  equal to the net
proceeds to of securities sold as contemplated herein.

          (iii) Each party  entitled  to  indemnification  under this  Section 6
(the  "Indemnified  Party")  shall give notice to the party  required to provide
indemnification (the "Indemnifying Party") promptly after such Indemnified Party
has actual knowledge of any claim as to which indemnity may be sought, and shall
permit the  Indemnifying  Party to assume  the  defense of any such claim or any
litigation  resulting  therefrom;  provided  that  counsel for the  Indemnifying
Party,  who shall conduct the defense of such claim or any litigation  resulting
therefrom,  shall be approved by the Indemnified Party (whose approval shall not
unreasonably  be withheld) and the  Indemnified  Party may  participate  in such
defense  at such  party's  expense  (unless  the  Indemnified  Party  shall have
reasonably  concluded  that  there may be a conflict  of  interest  between  the
Indemnifying  Party and the Indemnified  Party in such action, in which case the
fees and expenses of counsel shall be at the expense of the Indemnifying Party),
and provided further that the failure of any Indemnified Party to give notice as
provided  herein  shall not relieve the  Indemnifying  Party of its  obligations
under this  Section 6 unless the  Indemnifying  Party is  materially  prejudiced
thereby.  No Indemnifying Party, in the defense of any such claim or litigation,
shall,  except with the consent of each Indemnified  Party,  consent to entry of
any  judgment  or enter  into  any  settlement  which  does  not  include  as an
unconditional  term  thereof  the giving by the  claimant or  plaintiff  to such
Indemnified  Party of a release  from all  liability in respect to such claim or
litigation.  Each  Indemnified  Party shall furnish such  information  regarding
itself or the claim in question as an Indemnifying  Party may reasonably request
in writing and as shall be reasonably required in connection with the defense of
such claim and litigation resulting therefrom.

          (iv) If the indemnification provided for in this Section 6 is held by
a court of competent jurisdiction to be unavailable to an Indemnified Party with
respect to any loss, liability, claim, damage or expense referred to herein,
then the Indemnifying Party, in lieu of indemnifying such Indemnified Party
hereunder, shall contribute to the amount paid or payable by such Indemnified
Party as a result of such loss, liability, claim, damage or expense in such
proportion as is appropriate to reflect the relative fault of the Indemnifying
Party on the one hand and of the Indemnified Party on the other in connection
with the statements or omissions which resulted in such loss, liability, claim,
damage or expense, as well as any other relevant equitable considerations. The
relative fault of the Indemnifying Party and of the Indemnified Party shall be
determined by reference to, among other things, whether the untrue or alleged
untrue statement of a material fact or the omission to state a material fact
relates to information supplied by the Indemnifying Party or by the Indemnified
Party and the parties' relative intent, knowledge, access to information and
opportunity to correct or prevent such statement or omission.

          (v) Notwithstanding the foregoing, to the extent that the provisions
on indemnification and contribution contained in the underwriting agreement
entered into in connection with any underwritten public offering contemplated by
this Agreement are in conflict with the foregoing provisions, the provisions in
such underwriting agreement shall be controlling.

          (vi) The foregoing indemnity agreement of the Company and WPM is
subject to the condition that, insofar as they relate to any loss, claim,
liability or damage made in a preliminary prospectus but eliminated or remedied
in the amended prospectus on file with the Commission at the time the
registration statement in question becomes effective or the amended prospectus
filed with the Commission pursuant to Commission Rule 424(b) (the "Final
Prospectus"), such indemnity agreement shall not inure to the benefit of any
underwriter if a copy of the Final Prospectus was furnished to the underwriter
and was not furnished to the person asserting the loss, liability, claim or
damage at or prior to the time such action is required by the Act.





                                      -23-
<PAGE>


          7. Information by WPM. WPM shall furnish to the Company such
information regarding WPM and the distribution proposed by WPM as the Company
may reasonably request in writing and as shall be reasonably required in
connection with any registration, qualification or compliance referred to in
this Agreement.

          8. Rule 144 Reporting.

          With a view to making available the benefits of certain rules and
regulations of the Commission which may permit the sale of restricted securities
to the public without registration, the Company agrees to:

               (i) make and keep public information available as those terms are
     understood and defined in Rule 144, at all times from and after ninety (90)
     days following the effective date of the first registration under the Act
     filed by the Company for an offering of its securities to the general
     public;

               (ii) use its best efforts to file with the Commission in a timely
     manner all reports and other documents required of the Company under the
     Act and the Exchange Act at any time after it has become subject to such
     reporting requirements; and

               (iii) so long as WPM owns any Registrable Securities, furnish to
     WPM upon request, a written statement by the Company as to its compliance
     with the reporting requirements of Rule 144 (at any time from and after
     ninety (90) days following the effective date of the first registration
     statement filed by the Company for an offering of its securities to the
     general public), and of the Act and the Exchange Act (at any time after it
     has become subject to such reporting requirements), a copy of the most
     recent annual or quarterly report of the Company, and such other reports
     and documents so filed as WPM may reasonably request in availing themselves
     of any rule or regulation of the Commission allowing WPM to sell any such
     securities without registration.

          9. "Market Stand-off" Agreement. WPM agree, if requested by the
Company and an underwriter of Common Stock (or other securities) of the Company,
not to sell or otherwise transfer or dispose of any Class A Common Stock (or
other securities) of the Company held by WPM during the 180 day period following
the effective date of the initial registration statement of the Company relating
to any such securities filed under the Act and during the 90 day period
following any subsequent registration statement filed under the Act.

          If requested by the underwriters, WPM shall execute a separate
agreement to the foregoing effect. The Company may impose stop-transfer
instructions with respect to the shares (or securities) subject to the foregoing
restriction until the end of such period.

          10. Termination. The registration rights set forth in this Agreement
shall not be available to WPM if, in the opinion of counsel to the Company, all
of the Registrable Securities then owned by WPM could be sold in any 90-day
period pursuant to Rule 144 under the Act (without giving effect to the
provisions of Rule 144(k)). In addition, the registration rights set forth in
this Agreement shall terminate upon the transfer or assignment of the
Registrable Securities by WPM to any non-affiliated third party.





                                      -24-
<PAGE>


          11. Notices. All communications provided for hereunder shall be sent
by first-class mail or facsimile and (a) if addressed to WPM, addressed to WPM
at the address or fax number contained on Schedule B to this Agreement, or at
such other address or fax number as WPM shall have furnished to the Company in
writing or (b) if addressed to the Company, at 155 108th Avenue NE, 8th Floor,
Bellevue, Washington 98004, Attention: General Counsel, or fax number (206)
519-8910 or at such other address or fax number, or to the attention of such
other officer, as the Company shall have furnished to WPM in writing. Notices
sent by first-class mail shall be deemed received three days after the date of
deposit of such notice in the United States mail. Notices sent by facsimile
shall be deemed received upon receipt by the notified party's facsimile machine.

          12. No Assignment. This Agreement is personal to WPM and shall not be
assignable, by operation of law or otherwise to any third party not affiliated
with WPM.

          13. Descriptive Headings. The descriptive headings of the several
sections and paragraphs of this Agreement are inserted for reference only and
shall not limit or otherwise affect the meaning hereof.

          14. Governing Law. This Agreement shall be construed and enforced in
accordance with, and the rights of the parties shall be governed by, the laws of
the State of Washington.

          15. No Inconsistent Agreements. The Company will not on or after the
date of this Agreement enter into any agreement with respect to its securities
that is inconsistent with the rights granted to WPM in this Agreement or
otherwise conflicts with the provisions hereof.

          16. Amendments and Waivers. No provision of this Agreement may be
amended or waived except by an instrument in writing signed by the party sought
to be bound.

          17. Counterparts. This Agreement may be executed simultaneously in any
number of counterparts, each of which shall be deemed an original, but all such
counterparts shall together constitute one and the same instrument.

          IN WITNESS WHEREOF, the parties have caused this agreement to be
executed and delivered as of the date first above written.


                                          By: \s\ Wendy P. McCaw
                                              ------------------
                                                  Wendy P. McCaw

                                          NEXTLINK COMMUNICATIONS, INC.


                                          By: \s\ R. Bruce Easter, Jr.
                                              ------------------------
                                             Name:R. Bruce Easter, Jr.
                                             Title: Vice President
                                                   



                                      -25-
<PAGE>






                                   SCHEDULE A

                      OTHER HOLDERS' ADDRESSES FOR NOTICES


EAGLE RIVER INVESTMENTS, L.L.C.
c/o C. James Judson
2300 Carillon Point
Kirkland, WA 98033
Fax:  (206)828-8060

NEXTLINK, INC.
c/o R. Bruce Easter, Jr.
155 108th Avenue N.E., Suite 810
Bellevue, WA 98004
Fax:  (206)519-8910

BWP, INC.
c/o Robert Kingery
700 S.W. Washington, 8th Floor
Portland, OR 97205
Fax:  (503)727-6821

ROWENA FAMILY LIMITED LIABILITY COMPANY
c/o Scot Jarvis
4153 Issaquah Pine Lake Road
Issaquah, WA 98029
Fax:  (206)392-9944

PENNS LIGHT COMMUNICATIONS, INC.
c/o Gary Rawding
925 Berkshire Blvd.
Wyomissing, PA 91610
Fax:  (610)288-5666

PROBE VENTURES CORP.
c/o Victor Schnee
Three Wing Drive, Suite 240
Cedar Knolls, NJ 07927-1000
Fax:  (201)285-1519

CITY SIGNAL, INC.
c/o Richard Postma
Miller, Johnson, Snell & Cummiskey
800 Calder Plaza Building
Grand Rapids, MI 49503
Fax:  (616)459-6708





                                      -26-
<PAGE>




U.S. NETWORK CORPORATION
c/o Ron Gavillet
10 South Riverside Plaza, Suite 401
Chicago, IL 60606-3709
Fax:  (312)906-3636

G. ANDREW BARFUSS
1499 North Cherry Blossom Drive
Farmington, UT 84025-3900
Fax:  (801)451-9708

J. MERRILL BEAN
1972 North 2600 East
Layton, UT 84040
Fax:  (801)451-9708

JOAN BEAN
1972 North 2600 East
Layton, UT 84040
Fax:  (801)451-9708

SCOT JARVIS
4153 Issaquah Pine Lake Road
Issaquah, Washington 98029
Fax:  (206) 392-9944





                                      -27-
<PAGE>






                                    EXHIBIT D
                                      Proxy


See attached.




                                      -28-
<PAGE>






                                IRREVOCABLE PROXY

          Pursuant to RCW 23B.07.310 of the Washington Business Corporation Act,
the undersigned, a stockholder of NEXTLINK Communications, Inc., a Washington
corporation (the "Company"), holding 9,722,649 shares of Class B Common Stock,
par value $.02 per share (the "Shares"), does hereby make, constitute and
appoint Craig O. McCaw ("McCaw"), the true and lawful attorney-in-fact and proxy
of the undersigned for and in her name, place and stead to attend all meetings
of the stockholders of the Company with respect to the Subject Shares (as
defined below) and to vote any and all Subject Shares at all meetings of the
stockholders or any adjournment or adjournments thereof, and to exercise all
consensual or other voting rights with respect to the Subject Shares on any
matter except a "Specified Matter", subject to the limitations set forth below
and in the NEXTLINK Stock Distribution Agreement between the undersigned and
McCaw dated as of November 3, 1997 (the "Agreement"). Capitalized terms used
herein without definition shall have the meanings ascribed to such terms in the
Agreement. As used herein, a "Specified Matter" shall mean (i) any matter that
would result in the creation of a lien or encumbrance of any type on the Shares,
or (ii) any matter that relates to a transaction between the Company and McCaw
or any of his Affiliates, except as set forth in the Agreement.

          For purposes hereof, the term "Subject Shares" shall mean the minimum
number of Shares that, when added to all of the capital stock of the Company
owned directly or indirectly by McCaw or any Affiliate thereof or over which
McCaw or any Affiliate thereof has voting rights, are necessary for McCaw to
hold 51% of the total voting power of the Class A Common Stock and Class B
Common Stock of the Company.

          Nothing contained herein shall prevent or limit the undersigned from
converting shares of Class B Common Stock held by the undersigned into shares of
Class A Common Stock of the Company or selling, transferring, conveying or
otherwise disposing of any shares of capital stock of the Company held by the
undersigned.

          This proxy is coupled with an interest and is irrevocable, for the
period from the date hereof until the date on which McCaw sells 50% or more of
the Class B Common Stock of the Company owned directly or indirectly by McCaw or
any of his Affiliates on the date hereof, at which time it shall automatically
expire. This Proxy shall also expire, as to any of the Subject Shares, upon the
sale, conveyance or transfer of any such Subject Shares to a non-affiliated
third party. The undersigned hereby ratifies and confirms all that the said
proxy may lawfully do or cause to be done by virtue hereof.

          GIVEN at Bellevue, Washington this 3rd day of November, 1997.


                                                ------/s/ Wendy P. McCaw-------
                                                     Wendy P. McCaw






                                      -29-
<PAGE>






                                    EXHIBIT E
                                     Lockup

See Attached




                                      -30-
<PAGE>






                              AGREEMENT NOT TO SELL


NEXTLINK Communications, Inc.
155 108th Avenue, N.E.
8th Floor
Bellevue, Washington 98004

Salomon Brothers Inc.
Merrill Lynch, Pierce, Fenner & Smith
   Incorporated
Bear, Sterns & Co. Inc.
Lazard Freres & Co. Inc. LLC
   As Representatives of the
      several U.S. Underwriters

and

Salomon Brothers International Limited
Merrill Lynch International
Bear, Sterns International Limited
Lazard Capital Markets
   As Representatives of the
   several International Underwriters
      c/o Salomon Brothers International Limited
      Victoria Plaza
         111 Buckingham Palace Road
            London SWIW England.

Ladies & Gentlemen:

          This letter is being delivered to you in connection with the
Underwriting Agreement ("U.S. Version") and the Underwriting Agreement
("International Version") (together the "Underwriting Agreements"), between
NEXTLINK Communications, Inc., a Washington corporation (the "Company"), and
each of you as representatives of a U.S. syndicate of Underwriters (the "U.S.
Underwriters") and an International syndicate of Underwriters (the
"International Underwriters") named therein, relating to an underwritten public
offering of Class A common stock, par value $.02 per share (the "Class A Common
Stock), of the Company, which offering closed on October 1, 1997.

          The undersigned agrees not to offer, sell or contract to sell, or
otherwise dispose of, directly or indirectly, or announce an offering of, any
shares of Class A Common Stock, or any securities beneficially owned by the
undersigned convertible into, or exchangeable for, or that represent that right
to receive, Class A Common Stock for a period of 180 days following September
25, 1997, the day on which the Underwriting Agreements were executed, without



                                      -31-
<PAGE>




the prior written consent of Salomon Brothers Inc., other than shares of Class A
Common Stock disposed of as bona fide gifts or pledges where the recipients of
such gifts or the pledgees, as the case may be, agree in writing with the
Underwriters to be bound by the terms of such agreement.

          The undersigned has not taken and will not take, directly or
indirectly, any action which is designed to or which has constituted or which
might reasonably be expected to cause or result in stabilization or manipulation
of the price of any Class A Common Stock, or which has otherwise constituted or
will constitute any prohibited bid for or purchase of the Class A Common Stock
or any related securities.

          The undersigned acknowledges and agrees that the covenants and
agreements set forth herein supersede, to the extent of the subject matter
thereof, the provisions of any agreements or instruments defining the rights of
the undersigned with respect to the shares of Class A Common Stock or other
securities of the Company beneficially owned or controlled by the undersigned.

                                             Very truly yours,



                                             By:  \s\ Wendy P. McCaw
                                                  ------------------
                                             Name:
                                             Title:

                                             Date:  November 3, 1997





                                      -32-
<PAGE>






                                    Exhibit F
                                     Notices

COM

         Dennis M. Weibling
         2300 Carillon Point
         Kirkland, Washington 98033-7353

         Eagle River, Inc.
         -----------------

         C. James Judson
         2300 Carillon Point
         Kirkland, Washington 98033-7353

         NEXTLINK COMMUNICATIONS, INC.
         -----------------------------

         R. Bruce Easter
         Pacific First Plaza
         155 108th Avenue NE, Suite 810
         Bellevue, Washington 98004


WPM

         c/o Lasher Holzappel Sperry & Ebberson, PLLC
         2600 Two Union Square
         601 Union Street
         Seattle, WA 98101-4000
         Att'n:  Earl P. Lasher, III, Esq.

         c/o Gregory Canova-Parker, Esq.
         1332 Anacapa St., Suite 200
         Santa Barbara, CA 93120







                                   -33-
<PAGE>


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