Document:

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                                                                   EXHIBIT 10.33

                                                                  Execution Copy

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                  MOTIENT COMMUNICATIONS SHARE PLEDGE AGREEMENT

                                   dated as of

                                 March 16, 2004

                                     between

                               M&E ADVISORS L.L.C.

                                as Secured Party

                                       and

                           MOTIENT COMMUNICATIONS INC.

                                   as Pledgor

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<TABLE>
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                                TABLE OF CONTENTS

                                                                                                               Page

<S>                  <C>                                                                                          <C>
ARTICLE 1 SECURITY INTEREST.......................................................................................1
   Section 1.01.     The Pledge...................................................................................1
   Section 1.02.     Financing Statements.........................................................................2
   Section 1.03.     Share Certificates...........................................................................3
   Section 1.04.     Preservation of Rights.......................................................................3

ARTICLE 2 REPRESENTATIONS AND WARRANTIES OF PLEDGOR...............................................................3
   Section 2.01.     Title to Collateral..........................................................................3
   Section 2.02.     Pledged Shares...............................................................................3
   Section 2.03.     Names, Etc...................................................................................3
   Section 2.04.     Changes in Circumstances.....................................................................4
   Section 2.05.     Financing Statements.........................................................................4
   Section 2.06.     Non-Subordination............................................................................4
   Section 2.07.     True at Signing Date.........................................................................4

ARTICLE 3 AFFIRMATIVE COVENANTS OF PLEDGOR........................................................................4
   Section 3.01.     Change in Places of Business or Chief Executive Office.......................................4
   Section 3.02.     Delivery and Other Perfection................................................................4
   Section 3.03.     Notice of Default and Loss...................................................................5
   Section 3.04.     Collateral...................................................................................5
   Section 3.05.     Further Assurances...........................................................................6

ARTICLE 4 NEGATIVE COVENANTS OF PLEDGOR...........................................................................6
   Section 4.01.     Other Agreements.............................................................................6
   Section 4.02.     Other Financing Statements and Liens.........................................................6
   Section 4.03.     FCC Licenses.................................................................................6

ARTICLE 5 EVENTS OF DEFAULT.......................................................................................6
   Section 5.01.     Representation and Warranties................................................................6
   Section 5.02.     Observance of Covenants......................................................................7
   Section 5.03.     Event of Default under Loan Agreement........................................................7

ARTICLE 6 RIGHTS UPON OCCURRENCE OF EVENTS OF DEFAULT.............................................................7
   Section 6.01.     Rights of the Secured Party..................................................................7
   Section 6.02.     Deficiency...................................................................................8
   Section 6.03.     Private Sale.................................................................................9
   Section 6.04.     Application of Proceeds......................................................................9
   Section 6.05.     Attorney-in-Fact.............................................................................9
   Section 6.06.     Right of the Secured Party To Appoint Receiver...............................................9
   Section 6.07.     Names.......................................................................................10

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<TABLE>

<S>                  <C>                                                                                          <C>
ARTICLE 7 MISCELLANEOUS PROVISIONS...............................................................................10
   Section 7.01.     Additional Actions and Documents............................................................10
   Section 7.02.     Expenses....................................................................................10
   Section 7.03.     Notices.....................................................................................10
   Section 7.04.     Waiver of Right to Judicial Hearing.........................................................11
   Section 7.05.     Waiver by the Secured Party.................................................................11
   Section 7.06.     Governmental Approvals......................................................................12
   Section 7.07.     Release of Collateral.......................................................................12
   Section 7.08.     Benefit and Assignment......................................................................12
   Section 7.09.     Severability................................................................................12
   Section 7.10.     Survival....................................................................................12
   Section 7.11.     Rights Cumulative...........................................................................13
   Section 7.12.     Entire Agreement, Modification..............................................................13
   Section 7.13.     Termination.................................................................................13
   Section 7.14.     Construction................................................................................13
   Section 7.15.     Pronouns....................................................................................13
   Section 7.16.     Headings....................................................................................13
   Section 7.17.     Payments....................................................................................13
   Section 7.18.     Execution...................................................................................13

ARTICLE 8 DEFINITIONS AND REFERENCES.............................................................................14
   Section 8.01.     Defined Terms...............................................................................14
   Section 8.02.     Other Definitional Provisions...............................................................15

Exhibit A         Pledged Shares
Exhibit B         Pledgor Information
Exhibit C         FCC Licenses

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                             SHARE PLEDGE AGREEMENT

     THIS SHARE PLEDGE AGREEMENT is entered into as of this 16th day of March,
2004, between M&E Advisors L.L.C., ("Secured Party") and Motient Communications
Inc., a Delaware corporation (the "Pledgor").

     WHEREAS, Motient Holdings Inc., a Delaware corporation, Motient
Corporation, a Delaware corporation, the Pledgor and the Secured Parties entered
into an Amended and Restated Term Credit Agreement, dated as of January 27, 2003
(the "Original Agreement"), and the Pledgor, Motient License Inc., a Delaware
corporation ("License Sub"), and the Required Lenders (as defined in the
Original Agreement) have entered into Amendment No. 1 to the Original Agreement;
dated as of March 16, 2004 (the "Amendment");

     WHEREAS, pursuant to the Amendment, on behalf of the Lenders, the Required
Lenders waived certain defaults by the Borrower under the Original Agreement (as
amended by the Amendment, the "Loan Agreement");

     WHEREAS, to induce the Required Lenders to enter into the Amendment, and
for other good and valuable consideration the receipt and sufficiency of which
are hereby acknowledged, the Pledgor has agreed to enter into this Agreement and
to grant to the Secured Parties a security interest in the Collateral (as
hereinafter defined) to secure the full and punctual performance of the Secured
Obligations (as hereinafter defined);

     WHEREAS, capitalized terms used as hereinafter defined herein and not
otherwise defined herein shall have the meanings set forth in the Loan
Agreement;

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

                                   ARTICLE 1
                                SECURITY INTEREST

     Section 1.01. The Pledge. As security for the prompt payment in full when
due (whether at stated maturity, by acceleration or otherwise) of the Secured
Obligations, whether now existing or hereafter from time to time arising, the
Pledgor hereby pledges and grants to the Secured Party a Security Interest in
and lien on all of the Pledgor's right, title and interest in, to and under the
following property, whether now owned or hereafter acquired or hereafter coming
into existence and wherever located (all being collectively referred to herein
as the "Collateral"):

          (a)  all Pledged Shares, together with, in each case:

               (i) all shares, securities, moneys or property representing a
          dividend on any of the Pledged Shares, or representing a distribution
          or return of capital upon or in respect of the Pledged Shares, or
          resulting from a split-up, revision, reclassification or other like
          change of the Pledged Shares or otherwise received in exchange
          therefor, and any subscription warrants, rights or options issued to
          the holders of, or otherwise in respect of, the Pledged Shares,

                                       1
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               (ii) without affecting the obligations of the Pledgor under any
          provision prohibiting such action hereunder or under the Loan
          Agreement, in the event of any consolidation or merger in which the
          Pledgor is not the surviving corporation, all shares of each class of
          capital stock of the successor corporation (unless such successor
          corporation is the Pledgor itself) formed by or resulting from such
          consolidation or merger; and

               (iii) all Proceeds of and to any of the property of the Pledgor
          described in the preceding clauses of this Section 1.01 (including,
          without limitation, all causes of action, claims and warranties now or
          hereafter held by the Pledgor with respect to any of the items listed
          above) and, to the extent related to any property described in said
          clauses or such proceeds, all books, correspondence, credit files,
          records, invoices and other papers.

     Section 1.02. Financing Statements. Prior to or concurrently with the
execution and delivery of this Agreement, the Pledgor will promptly deliver
financing statements, continuation statements, assignments, certificates and
other documents with respect to the Collateral pursuant to the Uniform
Commercial Code, any other applicable law and otherwise as may be necessary or
appropriate (in the reasonable judgment of the Secured Party) to enable the
Secured Party to create, preserve, perfect or from time to time renew the
security interests granted hereby, in form satisfactory to the Secured Party,
and the Pledgor will pay the cost of filing the same in all public offices
wherever the Secured Party deems filing to be necessary or appropriate (in the
reasonable judgment of the Secured Party). The Pledgor grants the Secured Party
the right, at the Secured Party's option, to file any or all such financing
statements, continuation statements and other documents pursuant to the Uniform
Commercial Code, any other applicable law or otherwise, without the Pledgor's
signature, and irrevocably appoints the Secured Party as attorney in fact for
the Pledgor to execute any such statements and documents in the Pledgor's name
and to perform all other acts which the Secured Party deems appropriate to
perfect and continue the security interests conferred by this Agreement. The
Pledgor authorizes the Secured Party to file one or more Uniform Commercial Code
financing statements or continuation statements relating to all or any part of
the Collateral without the signature of the Pledgor where permitted by law. The
Secured Party may, at any time and from time to time, pursuant to the provisions
of this Section 1.02, file financing statements that describe the Collateral as
all assets and/or all personal property of the Pledgor or words of similar
effect and which contain any other information required by Part 5 of Revised
Article 9 of the Uniform Commercial Code for the sufficiency or filing office
acceptance of any financing statement, including whether the Pledgor is an
organization, the type of organization and any organization identification
number issued to the Pledgor. The Pledgor agrees to promptly furnish any such
information to the Secured Party upon request. Any such financing statements may
be signed by the Secured Party may be filed at any time in any jurisdiction
deemed necessary or desirable by Secured Party.

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     Section 1.03. Share Certificates. Prior to or concurrently with the
execution of this Agreement, the Pledgor will deliver to the Secured Party
certificates representing the Pledged Shares and such certificates shall be duly
endorsed in blank or accompanied by stock powers duly executed by the Pledgor in
blank, together with any documentary tax stamps and any other documents
necessary or desirable to cause the Secured Party to have a good, valid and
perfected first pledge of, lien on and security interest in the Pledged Shares,
free and clear of any mortgage, pledge, lien, security interest, hypothecation,
assignment, charge, right, encumbrance or restriction other than those arising
under federal or state Securities laws.

     Section 1.04. Preservation of Rights. The Secured Party shall not be
required to take steps necessary to preserve any rights against prior parties to
any of the Collateral.

                                   ARTICLE 2
                    REPRESENTATIONS AND WARRANTIES OF PLEDGOR

     The Pledgor hereby represents and warrants to the Secured Parties that:

     Section 2.01. Title to Collateral. As of the date hereof, the Pledgor is
the sole beneficial owner of, and has good, valid and marketable title to, the
Collateral in which it purports to grant a security interest pursuant to Section
1.01, free from all Liens, except for the Security Interests in favor of the
Collateral Agent and Motorola, Inc., a Delaware corporation ("Motorola"), and
has full right and power to grant the Secured Party a Security Interest therein.
Upon the execution and delivery of this Agreement, and upon the filing of
financing statements referred to in Section 1.02 hereof, the Secured Party will
have a good, valid and perfected first lien and Security Interest in the
Collateral, subject to no equal or prior Liens, encumbrances or security
interests in favor of any other person or entity, and Motorola will have a good,
valid and perfected second lien and Security Interest in the Collateral.

     Section 2.02. Pledged Shares. The Pledged Shares will be duly authorized,
validly existing, fully paid and non-assessable and none of such Pledged Shares
are or will be subject to any contractual restriction, or any restriction under
the charter or by-laws of the respective issuer of such Pledged Shares, upon the
transfer of such Pledged Shares (except for any such restriction contained
herein or in the Loan Agreement or arising under federal or state securities
laws). The Pledged Shares constitute all of the issued and outstanding shares of
capital stock of any class of License Sub beneficially owned by the Pledgor on
the date hereof (whether or not registered in the name of the Pledgor) and
Exhibit A correctly identifies, as of the date hereof, the issuer of such
Pledged Shares, the class and par value of the shares constituting such Pledged
Shares and the number of shares (and the registered owner thereof) represented
by each such certificate.

     Section 2.03. Names, Etc. The full and correct legal name, type of
organization, jurisdiction of organization, organizational ID number (if
applicable) and mailing address of the Pledgor as of the date hereof are
correctly set forth in Exhibit B.

                                       3
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     Section 2.04. Changes in Circumstances. The Pledgor has not (i) within the
period of four months prior to the date hereof, changed its location (as defined
in Section 9-307 of the Uniform Commercial Code), (ii) heretofore changed its
name, or (iii) heretofore become a "new debtor" (as defined in Section
9-102(a)(56) of the Uniform Commercial Code) with respect to a currently
effective security agreement previously entered into by any other Person.

     Section 2.05. Financing Statements. No Financing Statement (other than any
which may have been filed on behalf of the Secured Parties) relating to any of
the Collateral is on file in any public office.

     Section 2.06. Non-Subordination. The obligations of the Pledgor under this
Agreement are not subordinated in any way to any other obligation of the Pledgor
or to the rights of others.

     Section 2.07. True at Signing Date. Each of the representations and
warranties set forth in this Agreement or any other Loan Document shall be true
and correct as of the date hereof.

                                   ARTICLE 3
                        AFFIRMATIVE COVENANTS OF PLEDGOR

     Until all Secured Obligations of the Pledgor have been paid in full and
performed, the Pledgor hereby covenants that it shall, unless the Secured Party
otherwise consents in advance in writing:

     Section 3.01. Change in Places of Business or Chief Executive Office.
Maintain its location (as defined in Section 9-307 of the Uniform Commercial
Code) only at the location set forth in Exhibit B attached hereto, provided that
it shall provide to the Secured Party at least thirty (30) days' prior written
notice of any changes in location (as defined in Section 9-307 of the Uniform
Commercial Code).

     Section 3.02. Delivery and Other Perfection. The Pledgor shall:

               (a) if any of the shares, securities, moneys or property required
          to be pledged by the Pledgor under Article 1 hereof are received by
          the Pledgor, then the Pledgor shall forthwith either (x) transfer and
          deliver to the Collateral Agent such shares or securities so received
          by the Pledgor (together with the certificates for any such shares and
          securities duly endorsed in blank or accompanied by undated stock
          powers duly executed in blank), all of which thereafter shall be held
          by the Collateral Agent, pursuant to the terms of this Agreement and
          the Collateral Agency Agreement, as part of the Collateral or (y) take
          such other action as the Secured Party shall deem reasonably necessary
          or appropriate to duly record the Lien created hereunder in such
          shares, securities, moneys or property pursuant to Section 1.01;

               (b) give, execute, deliver, file, record, authorize or obtain all
          such financing statements, notices, instruments, documents,

                                       4
<PAGE>

          agreements, consents or other papers as may be necessary or desirable
          (in the reasonable judgment of the Secured Party) to create, preserve,
          perfect or validate the security interest granted pursuant hereto or
          to enable the Secured Party to exercise and enforce their rights
          hereunder with respect to such pledge and security interest;
          including, without limitation, causing any or all of the Share
          Collateral to be transferred of record into the name of the Secured
          Party or its nominee, provided that notices to account debtors in
          respect of any Accounts, Chattel Paper or General Intangibles
          and to obligors on Instruments shall be subject to the provisions of
          clause (d) below;

               (c) keep full and accurate books and records relating to the
          Collateral, and stamp or otherwise mark such books and records in such
          manner as the Secured Party may reasonably require in order to reflect
          the security interests granted by this Agreement; and

               (d) permit representatives of the Secured Party, upon reasonable
          notice, at any time during normal business hours to inspect and make
          abstracts from its books and records pertaining to the Collateral, and
          permit representatives of the Secured Party to be present at the
          Pledgor's place of business to receive copies of all communications
          and remittances relating to the Collateral, and forward copies of any
          notices or communications received by the Pledgor with respect to the
          Collateral, all in such manner as the Secured Party may reasonably
          require.

     Section 3.03. Notice of Default and Loss. Provide to the Secured Party
written notice of any Event of Default and of any loss or damage to the
Collateral, however occasioned, immediately upon the occurrence of such Event of
Default or loss or damage.

     Section 3.04. Collateral.

          (a) the Pledgor will cause the Share Collateral to constitute at all
     times 100% of the total number of shares of each class of capital stock of
     each Issuer then outstanding.

          (b) So long as no Event of Default shall have occurred and be
     continuing, the Pledgor shall have the right to exercise all voting,
     consensual and other powers of ownership pertaining to the Share Collateral
     for all purposes not inconsistent with the terms of this Agreement, the
     Loan Agreement or any other Loan Document or other instrument or agreement
     referred to herein or therein, provided that the Pledgor agrees that it
     will not vote the Share Collateral in any manner that is inconsistent with
     the terms of this Agreement, the Loan Agreement or any such other Loan
     Document or other instrument or agreement; and the Secured Party shall
     execute and deliver to the Pledgor or cause to be executed and delivered to
     the Pledgor all such proxies, powers of attorney, dividend and other
     orders, and all such instruments, without recourse, as the Pledgor may
     reasonably request for the purpose of enabling the Pledgor to exercise the
     rights and powers that it is entitled to exercise pursuant to this Section
     3.04.

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          (c) Unless and until an Event of Default has occurred and is
     continuing, the Pledgor shall be entitled to receive and retain any and all
     dividends and distributions on the Share Collateral.

     Section 3.05. Further Assurances. From time to time, upon the written
request of the Secured Party, execute and deliver such further documents and do
such other acts and things as the Secured Party may reasonably request in order
to fully effect the purposes of this Agreement.

                                   ARTICLE 4
                          NEGATIVE COVENANTS OF PLEDGOR

     Until all Secured Obligations of the Pledgor are paid in full and
performed, the Pledgor hereby covenants and agrees that it shall not, unless the
Secured Party otherwise consents in advance in writing:

     Section 4.01. Other Agreements. Enter into any agreement or undertaking
containing any provision which would be violated or breached by the Pledgor's
performance of its obligations under this Agreement.

     Section 4.02. Other Financing Statements and Liens. (A) File or suffer to
be on file, or authorize or permit to be filed or to be on file, in any
jurisdiction, any financing statement or like instrument with respect to any of
the Collateral in which the Secured Party is not named as the sole secured party
for the benefit of the Secured Parties, or (B) cause or permit any Person other
than the Collateral Agent or Secured Party to have "control" (as defined in
Section 9-104, 9-105, 9-106 or 9-107 of the Uniform Commercial Code) of any
Deposit Account, Electronic Chattel Paper, Investment Property or
Letter-of-Credit Right constituting part of the Collateral.

     Section 4.03. FCC Licenses. The Pledgor will not suffer (a) any FCC License
to be owned or acquired by any Person other than License Sub or (b) License Sub
to (i) be partially or wholly owned by any Person other than the Pledgor, (ii)
engage in any business or activity other than the ownership of the FCC Licenses
and activities incidental thereto, (iii) own or acquire any assets other than
the FCC Licenses and, to the extent incidental to its ownership of the FCC
Licenses, cash, or (iv) have or incur any Indebtedness, other than liabilities
imposed under the Loan Documents or any other instrument or agreement relating
to any Secured Obligation, liabilities imposed by law (including, without
limitation, tax liabilities) and other liabilities incidental to, by not
involving any encumbrance of, its ownership of the FCC Licenses.

                                   ARTICLE 5
                                EVENTS OF DEFAULT

     The Pledgor shall be in default under this Agreement upon the happening of
any of the following events or conditions ("Events of Default"):

     Section 5.01. Representation and Warranties. Any representation or warranty
of the Pledgor made herein or in any other Loan Document shall prove to have
been incorrect or misleading or breached in any material respect on or as of any
date as of which made; or

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<PAGE>

     Section 5.02. Observance of Covenants. The Pledgor shall at any time fail
to observe, satisfy or perform any of the covenants or agreements contained in
Article 3 or 4 hereof or fail to comply with any other provision contained
herein and such default shall continue unremedied for a period of twenty (20)
business days after written notice of the existence of such default shall have
been received by the Pledgor from the Collateral Agent; or

     Section 5.03. Event of Default under Loan Agreement. An Event of Default
under the Loan Agreement or any other Loan Document shall occur.

                                   ARTICLE 6
                   RIGHTS UPON OCCURRENCE OF EVENTS OF DEFAULT

     Section 6.01. Rights of the Secured Party. Upon the occurrence and
continuance of any Event of Default, the Secured Party shall have the right,
subject to the provisions of Section 7.06:

          (a) to declare all of the Secured Obligations to be immediately due
     and payable, whereupon all such Secured Obligations shall become
     immediately due and payable without presentment, demand, protest or further
     notice of any kind, all of which are hereby expressly waived by the
     Pledgor, anything contained herein to the contrary notwithstanding;

          (b) to exercise any one or more of the rights and remedies exercisable
     by the Secured Party under other provisions of this Agreement or
     exercisable by a secured party under the Uniform Commercial Code as in
     effect in Illinois (whether or not said Uniform Commercial Code is in
     effect in the jurisdiction where the rights and remedies are asserted) or
     under any other applicable law;

          (c) to exercise, in the name of the Pledgor or in the name of the
     Secured Party, such rights and powers with respect to the Collateral as the
     Pledgor might exercise, including the right to demand, sue, collect or
     receive any money or property at any time payable or receivable on account
     of or in exchange for any of the Collateral;

          (d) whether or not the Secured Party exercises any available right to
     declare any Secured Obligation due and payable or seek or pursue any other
     relief or remedy available to it under applicable law or under this
     Agreement, the Loan Agreement or any other Loan Document or other
     instrument or agreement relating to such Secured Obligation, (i) any and
     all Pledged Shares will be, at the option of the Secured Party, registered
     on the books of the relevant company in the name of the Collateral Agent
     and (ii) all dividends and other distributions on the Share Collateral
     shall be paid directly to the Collateral Agent and retained by it on behalf
     of the Secured Party as part of the Share Collateral, subject to the terms
     of this Agreement, and, if the Secured Party shall so request in writing,

                                       7
<PAGE>

     the Pledgor agrees to execute and deliver to the Collateral Agent
     appropriate additional dividend, distribution and other orders and
     documents to that end, provided that if such Event of Default is cured, any
     such dividend or distribution theretofore paid to the Collateral Agent
     shall, upon request of the Pledgor (except to the extent theretofore
     applied to the Secured Obligations), be returned by the Collateral Agent to
     the Pledgor; and

          (e) to sell, lease, assign or otherwise dispose of all or a part of
     the Collateral that shall then be or shall thereafter come into the
     possession, custody or control of the Collateral Agent at such place or
     places that the Secured Party deems best, and for cash or for credit or for
     future delivery (without thereby assuming any credit risk), at public or
     private sale, without demand of performance or notice of intention to
     effect any such disposition or of the time or place thereof (except such
     notice as is required below or by applicable statute and cannot be waived),
     Secured Party or any other Person may be the purchaser, lessee, assignee or
     recipient of any or all of the Collateral so disposed of at any public sale
     (or, to the extent permitted by law, at any private sale) and thereafter
     hold the same absolutely, free from any claim or right of whatsoever kind,
     including any right or equity of redemption (statutory or otherwise), of
     the Pledgor, any such demand, notice and right or equity being hereby
     expressly waived and released. Unless the Collateral is perishable or
     threatens to decline speedily in value or is of a type customarily sold on
     a recognized market, the Secured Party will give the Pledgor at least five
     (5) days' prior written notice of the time and place of any public sale
     thereof or of the time after which any private sale or any other intended
     disposition thereof is to be made, which notice shall constitute reasonable
     notice. The Secured Party may, without notice or publication, adjourn any
     public or private sale or cause the same to be adjourned from time to time
     by announcement at the time and place fixed for the sale, and such sale may
     be made at any time or place to which the sale may be so adjourned.

     The Pledgor recognizes that, by reason of certain prohibitions contained in
the Securities Act of 1933, as amended, and applicable state securities laws,
the Secured Party may be compelled, with respect to any sale of all or any part
of the Collateral, to limit purchasers to those who will agree, among other
things, to acquire the Collateral for their own account, for investment and not
with a view to the distribution or resale thereof. The Pledgor acknowledges that
any such private sales may be at prices and on terms less favorable to the
Secured Party than those obtainable through a public sale without such
restrictions, and, notwithstanding such circumstances, agree that any such
private sale shall be deemed to have been made in a commercially reasonable
manner and that the Secured Party shall have no obligation to engage in public
sales and no obligation to delay the sale of any Collateral for the period of
time necessary to permit the respective issuer to register it for public sale.

     Section 6.02. Deficiency. If the Proceeds or sale, collection or other
realization of or upon the Collateral pursuant to this Article 6 are
insufficient to cover the costs and expenses or such realization and the payment
in full of the Secured Obligations, the Pledgor shall remain liable for any
deficiency.

                                       8
<PAGE>

     Section 6.03. Private Sale. The Secured Party shall not incur any liability
as a result of a private sale of the Collateral, or any part thereof, at any
private sale pursuant to Section 6.03 conducted in a commercially reasonable
manner. The Pledgor hereby waives any claims against the Secured Party arising
by reason of the fact that the price at which the Collateral may have been sold
at such a private sale was less than the price that might have been obtained at
a public sale or was less than the aggregate amount of the Secured Obligations,
even if the Secured Party accepts the first offer received and does not offer
the Collateral to more than one offeree, so long as such private sale is
conducted in a commercially reasonable manner.

     Section 6.04. Application of Proceeds. Except as otherwise herein expressly
provided, the Proceeds of any collection, sale or other realization of all or
any part of the Collateral pursuant hereto shall be applied by the Secured Party
in the following order of priority:

          First, to the payment of all costs and expenses of such collection,
     sale or other realization (including reasonable out-of-pocket costs and
     expenses of the Secured Parties and fees and expenses of its agents and
     counsel, and all expenses, liabilities and advances made or incurred in
     connection therewith);

          Next, to the payment in full of all Secured Obligations, in each case
     equally and ratably in accordance with the respective amounts thereof then
     due and owing or as the Secured Parties holding the same may otherwise
     agree; and

          Finally, to the payment to the Pledgor or its successors and assigns,
     unless otherwise provided by law or directed by a court of competent
     jurisdiction.

     Section 6.05. Attorney-in-Fact. Without limiting any rights or powers
granted by this Agreement to the Secured Party, upon the occurrence and during
the continuance of any Event of Default the Secured Party is hereby appointed
the attorney-in-fact of the Pledgor for the purpose of carrying out the
provisions of this Article 6 and taking any action and executing any instruments
that the Secured Party may deem necessary or advisable to accomplish the
purposes hereof, which appointment as attorney-in-fact is irrevocable and
coupled with an interest. Without limiting the generality of the foregoing, so
long as the Secured Party shall be entitled under this Article 6 to make
collections in respect of the Collateral, the Secured Party shall have the right
and power to receive, endorse and collect all checks made payable to the order
of the Pledgor representing any dividend, payment or other distribution in
respect of the Collateral or any part thereof and to give full discharge for the
same.

     Section 6.06. Right of the Secured Party To Appoint Receiver. Without
limiting any other rights granted to the Secured Party under this Agreement, the
Secured Party shall have the right to apply for and have a receiver appointed by
a court of competent jurisdiction in any action taken by the Secured Party to
enforce its rights and remedies hereunder in order to manage, protect and
preserve the Collateral and continue the operation of the business of the
Pledgor and to collect all revenues and profits thereof and apply the same to
the payment of all expenses and other charges of such receivership including the
compensation of the receiver and to the payments as aforesaid until a sale or
other disposition of such Collateral shall be finally made and consummated.

                                       9
<PAGE>

     Section 6.07. Names. The Pledgor shall not change its name from the name
shown as its current legal name on Exhibit B hereto without at least thirty (30)
days' prior written notice to the Collateral Agent.

                                   ARTICLE 7
                            MISCELLANEOUS PROVISIONS

     Section 7.01. Additional Actions and Documents. The Pledgor hereby agrees
to take or cause to be taken such further actions, to execute, deliver and file
or cause to be executed, delivered and filed such further documents and
instruments, and to obtain such consents, as may be necessary or as may be
reasonably requested in order to fully effectuate the purposes, terms and
conditions of this Agreement, whether before, at or after the closing of
transactions contemplated hereby or the occurrence of an Event of Default
hereunder.

     Section 7.02. Expenses. The Pledgor agrees to reimburse the Secured Party
for all reasonable costs and expenses incurred by them, including, without
limitation, the reasonable fees and expenses of legal counsel, in connection
with (a) any Event of Default and any enforcement or collection proceeding
resulting therefrom, including, without limitation, all manner of participation
in or other involvement with (i) performance by the Secured Party of any
obligations of the Pledgor in respect of the Collateral that the Pledgor has
failed or refused to perform, (ii) bankruptcy, insolvency, receivership,
foreclosure, winding up or liquidation proceedings, or any actual or attempted
sale, or any exchange, enforcement, collection, compromise or settlement in
respect of any of the Collateral, and for the care of the Collateral and
defending or asserting rights and claims of the Secured Party in respect
thereof, by litigation or otherwise, including expenses of insurance, (iii)
judicial or regulatory proceedings and (iv) workout, restructuring or other
negotiations or proceedings (whether or not the workout, restructuring or
transaction contemplated thereby is consummated) and (b) the enforcement of this
Section 7.02, and all such costs and expenses shall be Secured Obligations
entitled to the benefits of the collateral security provided pursuant to Section
1.01; provided, however, the Pledgor shall only be required to reimburse the
Secured Party under this Section 7.02 for the reasonable costs, fees and
expenses of legal counsel for the Secured Party.

     Section 7.03. Notices. All notices, demands, requests, or other
communications which may be or are required to be given, served or sent by any
party to any other party pursuant to this Agreement shall be in writing and
shall be mailed by first-class, registered or certified mail, return receipt
requested, postage prepaid, or transmitted by telegram, addressed as follows:

                                       10
<PAGE>

                           (a) If to the Pledgor:

                           Motient Communications Inc.
                           300 Knightsbridge Parkway
                           Lincolnshire, Illinois
                           Attention:  General Counsel
                           Fax:  847-478-4810

                           with a copy (which shall not constitute notice) to:

                           Andrews Kurth LLP
                           450 Lexington Avenue
                           15th Floor
                           New York, New York  10017
                           Attention:  Richard Baumfield
                           Telephone:  212-850-2852
                           Fax:  212-850-2929

                           (b) If to the Secured Party:

                           M&E Advisors L.L.C.
                           c/o Romulus Holdings Inc.
                           560 Sylvan Avenue
                           Englewood Cliffs, NJ  07632
                           Attention:  Gary Singer
                           Telephone:  201-568-4400 ext. 12
                           Fax:  201-568-4467

Each party may designate by notice in writing a new address to which any notice,
demand, request or communication may thereafter be so given, served or sent.
Each notice, demand, request or communication which shall be mailed in the
manner described above, or which shall be delivered to a telegraph company,
shall be deemed sufficiently given, served, sent or received for all purposes
upon receipt.

     Section 7.04. Waiver of Right to Judicial Hearing. The Pledgor hereby
waives any right it may have to a judicial hearing prior to the exercise of any
right or remedy provided to the Secured Party under this Agreement, and waives
its rights, if any, to set aside or invalidate any sale duly consummated in
accordance with the foregoing provisions hereof on the grounds (if such be the
case) that the sale was consummated without a prior judicial hearing. The
Pledgor's waivers under this paragraph have been made voluntarily and knowingly
and after the Pledgor has been apprised and counseled by its attorneys as to the
nature of such rights and as to the Pledgor's possible alternative rights.

     Section 7.05. Waiver by the Secured Party. No waiver by the Secured Party
of, or consent by the Secured Party to, a variation from the requirements of any
provision of this Agreement shall be effective unless made in a written

                                       11
<PAGE>

instrument duly executed on behalf of the Secured Party by its duly authorized
officer, and any such waiver shall be limited solely to those rights or
conditions expressly waived. No failure on the part of the Secured Party to
exercise, and no course of dealing with respect to, and no delay in exercising,
any right, power or remedy hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise by the Secured Party of any right, power or
remedy hereunder preclude any other or further exercise thereof or the exercise
of any other right, power or remedy. The remedies herein are cumulative and are
not exclusive of any remedies provided by law.

     Section 7.06. Governmental Approvals. The Secured Party acknowledges that
in connection with any exercise by them of their rights hereunder to dispose of
or operate under the licenses, permits, or other approvals covered hereby, it
may be necessary to obtain the prior consent or approval of certain governmental
authorities. Upon the exercise by the Secured Party of any power, right,
privilege or remedy pursuant to this Agreement which requires any consent,
approval, registration, qualification or authorization of any governmental
authority or instrumentality, including, but not limited to, the Federal
Communications Commission, the Pledgor will execute and deliver, or will cause
the execution and delivery of, all applications, certificates, instruments and
other documents and papers that the Secured Party may be required to obtain for
such governmental consent, approval, registration, qualification or
authorization.

     Section 7.07. Release of Collateral. Promptly following performance and
payment in full of the Secured Obligations, the Security Interest created hereby
shall terminate, and the Secured Party shall execute and deliver such documents,
at the Pledgor's expense, as are necessary to release the Secured Party's
Security Interest in the Collateral.

     Section 7.08. Benefit and Assignment. This Agreement shall be binding upon
and shall inure to the benefit of the Pledgor and the Secured Party and their
respective successors and assigns as permitted hereunder. This Agreement may not
be assigned by the Pledgor without the prior written consent of the Secured
Party. In the event of a sale or assignment by the Secured Party of all or any
part of the interests in the Notes, the Secured Party may assign and transfer
their rights and interests under this Agreement in whole or in part to the
purchaser or purchasers of such interests in the Notes, whereupon such purchaser
or purchasers shall become vested with all of the powers and rights given to the
Secured Party hereunder, and shall be deemed to be Secured Party for all
purposes hereunder, and the predecessor Secured Party shall thereafter be
forever released and fully discharged from any liability or responsibility
hereunder with respect to the rights and interests so assigned.

     Section 7.09. Severability. If fulfillment of any provision of this
Agreement, or performance of any transaction related hereto, at the time such
fulfillment or performance shall be due, shall transcend the limits of validity
prescribed by law, then the obligation to be fulfilled or performed shall be
reduced to the limit of such validity.

     Section 7.10. Survival. It is the express intention and agreement of the
parties hereto that all covenants and agreements, statements, representations,
warranties and indemnities made by the Pledgor shall survive the execution and
delivery of this Agreement.

                                       12
<PAGE>

     Section 7.11. Rights Cumulative. The rights and remedies of the Secured
Party described herein are cumulative and nonexclusive of any other rights or
remedies which the Secured Party otherwise would have at law or in equity or
otherwise. No notice to or demand on the Pledgor in any case shall entitle the
Pledgor to any other notice or demand in similar or other circumstances.

     Section 7.12. Entire Agreement, Modification. This Agreement and the
exhibits hereto constitute the entire agreement of the parties hereto with
respect to the transactions contemplated herein, and supersede all prior oral
and written agreements with respect to the transactions contemplated herein, and
may not be modified, deleted or amended in any manner except by agreement in
writing executed by the parties.

     Section 7.13. Termination. This Agreement shall continue in force until the
date on which the Secured Obligations shall have been paid and discharged in
full and the Commitments of the Secured Party under the Loan Agreement have
terminated.

     Section 7.14. Construction. This Agreement, the rights and obligations of
the parties hereto, and any claims or disputes relating thereto, shall be
governed by and construed in accordance with the laws of the State of Illinois.
Each party hereto hereby acknowledges that all parties hereto participated
equally in the negotiation and drafting of this Agreement and that, accordingly,
no court construing this Agreement shall construe it more stringently against
one party than against the other.

     Section 7.15. Pronouns. All pronouns and any variations thereof shall be
deemed to refer to the masculine, feminine, neuter, singular or plural, as the
identity of the person or entity may require.

     Section 7.16. Headings. Section and subsection headings contained in this
Agreement are inserted for convenience of reference only, shall not be deemed to
be a part of this Agreement for any purpose, and shall not in any way define or
affect the meaning, construction or scope of any of the provisions hereof.
Unless otherwise indicated or apparent from the context, all references to
Articles and Sections herein contained are to Articles and Sections of this
Agreement.

     Section 7.17. Payments. If any payment or performance of obligations under
this Agreement becomes due on a day other than a Business Day, the due date
shall be extended to the next succeeding Business Day, and interest thereon (if
applicable) shall be payable at then applicable rate during such extension.

     Section 7.18. Execution. To facilitate execution, this Agreement may be
executed in as many counterparts as may be required; and it shall not be
necessary that the signatures of, or on behalf of, each party, or that the
signatures of all persons required to bind any party, appear on each
counterpart; but it shall be sufficient that the signature of, or on behalf of,
each party, or that the signatures of the persons required to bind any party,
appear on one or more of the counterparts. All counterparts shall collectively
constitute a single agreement. It shall not be necessary in making proof of this

                                       13
<PAGE>

Agreement to produce or account for any particular number of counterparts; but
rather any number of counterparts shall be sufficient so long as those
counterparts contain the respective signatures of, or on behalf of, all of the
parties hereto. Facsimile signatures to this Agreement shall have the same
binding effect as manual signatures hereto.

                                   ARTICLE 8
                           DEFINITIONS AND REFERENCES

     Section 8.01. Defined Terms. As used in this Agreement, the following terms
shall have the meanings specified in this Section 8.01, unless the context
otherwise requires:

     "Agreement" shall mean this Agreement, as the same from time to time may be
amended, supplemented or modified.

     "Collateral" shall have the meaning assigned to that term in Section 1.01
hereof.

     "Collateral Agent" shall mean M&E Advisors L.L.C. in its capacity as
collateral agent under the Collateral Agency Agreement.

     "Collateral Agency Agreement" means the Collateral Agency, Subordination
and Intercreditor Agreement of even date herewith by and among Pledgor, Secured
Party and Motorola, Inc.

     "Event of Default" shall mean any of the events specified in Article 5
hereof, provided that any requirement for the giving of notice, the lapse of
time, or both, or any other condition, has been satisfied.

     "FCC Licenses" shall mean those Federal Communications Commission licenses
set forth on Exhibit C hereto.

     "Issuer" shall mean Motient License Inc.

     "Loan Agreement" shall have the meaning set forth in the recitals hereto.

     "Pledged Shares" shall mean all shares owned by the Pledgor and described
in Exhibit A.

     "Proceeds" shall mean (i) all `proceeds' as defined in Article 9 of the
Uniform Commercial Code as in effect in New York on the date hereof (whether or
not said Code is in effect in the jurisdiction where the rights and remedies are
asserted), (ii) payments or distributions made with respect to any Collateral
and (iii) whatever is receivable or received when Collateral or proceeds are
sold, exchanged, collected or otherwise disposed of, whether such disposition is
voluntary or involuntary.

     "Secured Obligations" shall mean, collectively, all Obligations of every
nature of the Pledgor from time to time owed to the Secured Parties under the

                                       14
<PAGE>

Loan Documents including (a) all principal of and interest (including, without
limitation, any interest which accrues after the commencement of any case,
proceeding or other action relating to the bankruptcy, insolvency or
reorganization of the Pledgor, whether or not allowed or allowable as a claim in
any such proceeding) on any Loans under, or Note issued pursuant to, the Loan
Agreement, (b) all other amounts payable by the Pledgor hereunder or under any
other Loan Document and (c) any renewals or extensions of any of the foregoing.

     "Secured Party" shall have the meaning given in the recitals.

     "Security Interest" means an interest in property which secures payment or
performance of an obligation.

     Section 8.02. Other Definitional Provisions.

          (a) All terms defined in this Agreement shall have the defined
     meanings provided herein when used in the Loan Documents.

          (b) As used herein and in the Loan Documents, accounting terms not
     defined in Section 8.01 hereof, and accounting terms partly defined in
     Section 8.01 hereof to the extent not defined, shall have the respective
     meanings given to them under generally accepted accounting principles in
     effect on the date hereof and consistently applied.

          (c) The words "hereof," "herein" and "hereunder" and words of similar
     import when used in this Agreement shall refer to this Agreement as a whole
     and not to any particular provision of this Agreement.

                                       15
<PAGE>

     IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement to
be duly executed and delivered in its name and on its behalf, all as of the day
and year first above written.

ATTEST:                                 MOTIENT COMMUNICATIONS INC.
By:  /s/ Robert Macklin                 By:  /s/ Christopher Downie
Name:  Robert Macklin                   Name:  Christopher Downie
Title:  Secretary                       Title:  Chief Financial Officer

ATTEST:                                 M&E ADVISORS L.L.C.
                                           as Collateral Agent
By:  /s/ Philip Mandelbaum              By:  /s/ Gary Singer
Name:  Philip Mandelbaum                Name:  Gary Singer
Title:  CFO                             Title:  Investment Advisor

       [Signature Page for Motient Communications Share Pledge Agreement]

<PAGE>

                                                                       EXHIBIT A

                                 Pledged Shares

Issuer:           Motient License Inc.
                  Delaware corporation
                  1,000 shares of common stock, par value $0.01 per share,
                  issued to Motient Communications Inc.

                                      A-1

<PAGE>

                                                                       EXHIBIT B

                               Pledgor Information

Motient Communications Inc.
A Delaware Corporation
Federal Employee ID#: 36-398-3833

Mailing Address:

300 Knightsbridge Parkway
Lincolnshire, Illinois  60069

                                      B-1

<PAGE>

<TABLE>

                                                                                                         EXHIBIT C
<CAPTION>

                                  FCC Licenses
<S>                  <C>          <C>                                       <C>                             <C>
    FREQUENCY        CALL SIGN                     LICENSEE                 CITY                            STATE
    851.0375          WPHQ371     MOTIENT COMMUNICATIONS INC.               SARASOTA                          FL
    851.0375          WPSJ346     MOTIENT COMMUNICATIONS INC.               DAYTON                            OH
    851.1875          WPCB836     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    851.1875          WPPY525     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE BCH                  FL
    851.1875          WPPY529     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    851.1875          WPQC282     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    851.1875          WPQC283     MOTIENT COMMUNICATIONS INC.               ORANGE PARK                       FL
    851.1875          WPQC284     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    851.2375          WNHJ737     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.2375          WNHJ741     MOTIENT COMMUNICATIONS INC.               NORTH BERGEN                      NJ
    851.2375          WNHJ745     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.2375          WNHJ749     MOTIENT COMMUNICATIONS INC.               SOMERSET                          NJ
    851.2375          WNHJ753     MOTIENT COMMUNICATIONS INC.               HACKENSACK                        NJ
    851.2375          WNVP352     MOTIENT COMMUNICATIONS INC.               MASSAPEQUA                        NY
    851.2375          WNVW540     MOTIENT COMMUNICATIONS INC.               HEMPSTEAD                         NY
    851.2375          WNVW610     MOTIENT COMMUNICATIONS INC.               MOUNT KISCO                       NY
    851.2375          WNWA849     MOTIENT COMMUNICATIONS INC.               WARRENVILLE                       NJ
    851.2375          WNWG214     MOTIENT COMMUNICATIONS INC.               STAMFORD                          CT
    851.2375          WNWG215     MOTIENT COMMUNICATIONS INC.               PORTCHESTER                       NY
    851.2375          WNWL632     MOTIENT COMMUNICATIONS INC.               DENVILLE                          NJ
    851.2375          WNWT215     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    851.2375          WNWT216     MOTIENT COMMUNICATIONS INC.               PHILLIPSTOWN                      NY
    851.2375          WPPN722     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.2375          WPPN726     MOTIENT COMMUNICATIONS INC.               SUMMIT                            NJ
    851.2375          WPPN739     MOTIENT COMMUNICATIONS INC.               HACKENSACK                        NJ
    851.2375          WPPN742     MOTIENT COMMUNICATIONS INC.               YONKERS                           NY
    851.2375          WPPN743     MOTIENT COMMUNICATIONS INC.               EDISON                            NJ
    851.2375          WPPN748     MOTIENT COMMUNICATIONS INC.               MORRISTOWN                        NJ
    851.2375          WPPN749     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    851.2375          WPPN754     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.2375          WPPX494     MOTIENT COMMUNICATIONS INC.               UNION CITY                        NJ
    851.2375          WPPY431     MOTIENT COMMUNICATIONS INC.               FORT LEE                          NJ
    851.2375          WPPY453     MOTIENT COMMUNICATIONS INC.               PARAMUS                           NJ
    851.2375          WPSJ350     MOTIENT COMMUNICATIONS INC.               PARSIPPANY                        NJ
    851.2375          WPTN885     MOTIENT COMMUNICATIONS INC.               PATERSON                          NJ
    851.2875          WPIR244     MOTIENT COMMUNICATIONS INC.               SARASOTA                          FL
    851.4125          WPQS881     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    851.4125          WPQS882     MOTIENT COMMUNICATIONS INC.               ARDEN HILLS                       MN
    851.4125          WPQS883     MOTIENT COMMUNICATIONS INC.               SAINT PAUL                        MN
    851.4125          WPQS888     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    851.4125          WPQS889     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    851.7125          KNEM329     MOTIENT COMMUNICATIONS INC.               SAN JOSE                          CA
    851.7875          WNHJ737     MOTIENT COMMUNICATIONS INC.               GLEN OAKS                         NY
    851.7875          WNHJ741     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY

</TABLE>
                                      C-1
<PAGE>

<TABLE>
<S>                  <C>          <C>                                       <C>                               <C>
    851.7875          WNHJ745     MOTIENT COMMUNICATIONS INC.               PLAINVIEW                         NY
    851.7875          WNHJ749     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    851.7875          WNHJ753     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.7875          WNVW610     MOTIENT COMMUNICATIONS INC.               YONKERS                           NY
    851.7875          WPHB917     MOTIENT COMMUNICATIONS INC.               CHAMPAIGN                         IL
    851.7875          WPPN716     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN717     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN720     MOTIENT COMMUNICATIONS INC.               ALPINE                            NJ
    851.7875          WPPN721     MOTIENT COMMUNICATIONS INC.               FORT LEE                          NJ
    851.7875          WPPN724     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN737     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    851.7875          WPPN738     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN741     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN746     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN747     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPPN750     MOTIENT COMMUNICATIONS INC.               HEMPSTEAD                         NY
    851.7875          WPPN751     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.7875          WPPN752     MOTIENT COMMUNICATIONS INC.               JERICHO                           NY
    851.7875          WPPN755     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.7875          WPRX544     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.7875          WPRX553     MOTIENT COMMUNICATIONS INC.               CHERRY HILL                       NJ
    851.7875          WPRX554     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.7875          WPRX580     MOTIENT COMMUNICATIONS INC.               PLYMOUTH MTG                      PA
    851.7875          WPRZ786     MOTIENT COMMUNICATIONS INC.               KING OF PRUSSIA                   PA
    851.7875          WPRZ788     MOTIENT COMMUNICATIONS INC.               JENKINTOWN                        PA
    851.7875          WPRZ789     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.7875          WPSG406     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.7875          WPST564     MOTIENT COMMUNICATIONS INC.               BENSALEM                          PA
    851.7875          WPTI287     MOTIENT COMMUNICATIONS INC.               UPPER DUBLIN                      PA
    851.7875          WPTP292     MOTIENT COMMUNICATIONS INC.               COLLINGSWOOD                      NJ
    851.7875          WPTP293     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.7875          WPTP294     MOTIENT COMMUNICATIONS INC.               VILLANOVA                         PA
    851.7875          WPTP295     MOTIENT COMMUNICATIONS INC.               VOORHEES                          NJ
    851.7875          WPUS832     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    851.8375          WNKH532     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    851.8375          WNKH533     MOTIENT COMMUNICATIONS INC.               LAKE ZURICH                       IL
    851.8375          WNKH537     MOTIENT COMMUNICATIONS INC.               ORLAND TOWNSHIP                   IL
    851.8375          WPHZ617     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    851.8625          WPIM332     MOTIENT COMMUNICATIONS INC.               CHATTANOOGA                       TN
    851.8625          WNHJ737     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.8625          WNHJ745     MOTIENT COMMUNICATIONS INC.               BROOKLYN                          NY
    851.8625          WNHJ749     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    851.8625          WNHJ753     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    851.8625          WPQB696     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    851.8625          WPUS360     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.8625          WPUS364     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.8625          WPUS425     MOTIENT COMMUNICATIONS INC.               JERSEY CITY                       NJ
    851.8625          WPUS450     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY

</TABLE>
                                      C-2
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    851.8625          WPWJ326     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.8625          WPWR531     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.8625          WPWV811     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.9375          WPXC789     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    851.9375          WPSF982     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    851.9375          WPSF983     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    851.9375          WPSF985     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    851.9375          WPSF988     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    851.9375          WPTP288     MOTIENT COMMUNICATIONS INC.               STAFFORD                          TX
    851.9375          WPTP290     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    851.9375          WPTP291     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    852.0375          KNEM328     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    852.0375          KNEM284     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    852.0375          WNRC381     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    852.0375          WPPY659     MOTIENT COMMUNICATIONS INC.               HUMBLE                            TX
    852.0375          WPPY660     MOTIENT COMMUNICATIONS INC.               TOMBALL                           TX
    852.0375          WPPY661     MOTIENT COMMUNICATIONS INC.               SPRING                            TX
    852.0375          WPTI970     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    852.0375          WPTN324     MOTIENT COMMUNICATIONS INC.               PASADENA                          TX
    852.0375          WPTN325     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    852.1125          KNDN364     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    852.1125          WNRI515     MOTIENT COMMUNICATIONS INC.               NORCROSS                          GA
    852.1125          WNZT396     MOTIENT COMMUNICATIONS INC.               TUCKER                            GA
    852.1125          WPIK385     MOTIENT COMMUNICATIONS INC.               STONE MOUNTAIN                    GA
    852.1125          WPRT644     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    852.1125          WPRT646     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    852.1125          WPRT649     MOTIENT COMMUNICATIONS INC.               TUCKER                            GA
    852.1125          WPRT653     MOTIENT COMMUNICATIONS INC.               STONE MOUNTAIN                    GA
    852.1125          WPRT655     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    852.1125          WPRT658     MOTIENT COMMUNICATIONS INC.               DECATUR                           GA
    852.1125          WPRT659     MOTIENT COMMUNICATIONS INC.               DECATUR                           GA
    852.1125          WPRW409     MOTIENT COMMUNICATIONS INC.               JONESBORO                         GA
    852.1125          WPRZ777     MOTIENT COMMUNICATIONS INC.               MABLETON                          GA
    852.1125          WPRZ779     MOTIENT COMMUNICATIONS INC.               MARIETTA                          GA
    852.1125          WPTP289     MOTIENT COMMUNICATIONS INC.               COLLEGE PARK                      GA
    852.1125          WPXC859     MOTIENT COMMUNICATIONS INC.               ADAMSVILLE                        GA
    852.1125          WPXC859     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    852.2125          WNCE217     MOTIENT COMMUNICATIONS INC.               IDRIA                             CA
    852.2875          WNQV539     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    852.4125          WNHJ749     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    852.4125          WNHJ753     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    852.4125          WNVP352     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    852.4125          WNVW610     MOTIENT COMMUNICATIONS INC.               DIX HILLS                         NY
    852.4125          WNWA849     MOTIENT COMMUNICATIONS INC.               YONKERS                           NY
    852.4625          WPIM716     MOTIENT COMMUNICATIONS INC.               ROLLING MEADOWS                   IL
    852.4625          WNCD904     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    852.4625          WNQK968     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    852.4625          WNQK969     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL

</TABLE>
                                      C-3
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    852.4625          WNQK970     MOTIENT COMMUNICATIONS INC.               SKOKIE                            IL
    852.4625          WNQK971     MOTIENT COMMUNICATIONS INC.               NORTHLAKE                         IL
    852.4625          WNWA850     MOTIENT COMMUNICATIONS INC.               BATAVIA                           IL
    852.4625          WNXM813     MOTIENT COMMUNICATIONS INC.               WAUKEGAN                          IL
    852.4875          WNPO247     MOTIENT COMMUNICATIONS INC.               ARLINGTON                         VA
    852.4875          WNPO248     MOTIENT COMMUNICATIONS INC.               CHEVERLY                          MD
    852.4875          WNWL628     MOTIENT COMMUNICATIONS INC.               SPRINGFIELD                       VA
    852.4875          WNZZ621     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    852.4875          WPPZ629     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    852.4875          WPSD779     MOTIENT COMMUNICATIONS INC.               GREENBELT                         MD
    852.4875          WPSE481     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    852.4875          WPPX493     MOTIENT COMMUNICATIONS INC.               RESTON                            VA
    852.4875          WPPX631     MOTIENT COMMUNICATIONS INC.               LEESBURG                          VA
    852.4875          WPPY445     MOTIENT COMMUNICATIONS INC.               HERNDON                           VA
    852.4875          WPQA504     MOTIENT COMMUNICATIONS INC.               STERLING                          VA
    852.4875          WPQJ484     MOTIENT COMMUNICATIONS INC.               ROCKVILLE                         MD
    852.4875          WPSJ349     MOTIENT COMMUNICATIONS INC.               BURKE                             VA
    852.4875          WPSE481     MOTIENT COMMUNICATIONS INC.               ANNANDALE                         VA
    852.6125          WNKH533     MOTIENT COMMUNICATIONS INC.               MIDLAND                           MI
    852.6375          WPPZ839     MOTIENT COMMUNICATIONS INC.               BATAVIA                           IL
    852.7875          KNEM313     MOTIENT COMMUNICATIONS INC.               BOULDER CITY                      NV
    852.7875          KNEM313     MOTIENT COMMUNICATIONS INC.               LAS VEGAS                         NV
    852.7875          KNEM313     MOTIENT COMMUNICATIONS INC.               LAS VEGAS                         NV
    852.8375          KNEM328     MOTIENT COMMUNICATIONS INC.               LAS VEGAS                         NV
    852.8375          KNEM329     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    852.8375          KNEM330     MOTIENT COMMUNICATIONS INC.               HAYWARD                           CA
    852.8375          KNEM331     MOTIENT COMMUNICATIONS INC.               PALO ALTO                         CA
    852.8375          WPCW615     MOTIENT COMMUNICATIONS INC.               OAKLAND                           CA
    852.8625          WPEE658     MOTIENT COMMUNICATIONS INC.               OAKLAND                           CA
    852.8875          WNMW744     MOTIENT COMMUNICATIONS INC.               REDWOOD CITY                      CA
    852.8875          WNHJ737     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    852.9375          KNDN397     MOTIENT COMMUNICATIONS INC.               WEST ORANGE                       NJ
    852.9375          WNPO247     MOTIENT COMMUNICATIONS INC.               WESTMINSTER                       MD
    852.9375          WNQL862     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    852.9375          WPID462     MOTIENT COMMUNICATIONS INC.               CATONSVILLE                       MD
    852.9375          WPQK756     MOTIENT COMMUNICATIONS INC.               ROCKVILLE                         MD
    852.9375          WPSE480     MOTIENT COMMUNICATIONS INC.               OWINGS MILLS                      MD
    852.9375          WPPC246     MOTIENT COMMUNICATIONS INC.               LAUREL                            MD
    852.9375          WPPT723     MOTIENT COMMUNICATIONS INC.               COLUMBIA                          MD
    852.9375          WPPX628     MOTIENT COMMUNICATIONS INC.               ELLICOTT CITY                     MD
    852.9375          WPSJ339     MOTIENT COMMUNICATIONS INC.               SEVERNA PARK                      MD
    852.9375          WPTI969     MOTIENT COMMUNICATIONS INC.               PIKESVILLE                        MD
    852.9375          WPSE480     MOTIENT COMMUNICATIONS INC.               CROFTON                           MD
    853.0125          WPBJ350     MOTIENT COMMUNICATIONS INC.               HONOLULU                          HI
    853.0125          WPFW845     MOTIENT COMMUNICATIONS INC.               OGDEN                             UT
    853.0125          WPSJ340     MOTIENT COMMUNICATIONS INC.               SALT LAKE CITY                    UT
    853.0125          WPSJ342     MOTIENT COMMUNICATIONS INC.               SOUTH JORDAN                      UT
    853.0125          WPSJ343     MOTIENT COMMUNICATIONS INC.               BOUNTIFUL                         UT

</TABLE>
                                      C-4
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    853.0125          WPTE466     MOTIENT COMMUNICATIONS INC.               SALT LAKE CITY                    UT
    853.0125          WPTE470     MOTIENT COMMUNICATIONS INC.               W VALLEY CITY                     UT
    853.0125          WPSJ340     MOTIENT COMMUNICATIONS INC.               LAYTON                            UT
    853.0875          KNEP504     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    853.0875          WNWA871     MOTIENT COMMUNICATIONS INC.               SAINT PETERSBURG                  FL
    853.0875          WNXZ724     MOTIENT COMMUNICATIONS INC.               TAMPA                             FL
    853.0875          WPII898     MOTIENT COMMUNICATIONS INC.               TAMPA                             FL
    853.0875          WPIJ936     MOTIENT COMMUNICATIONS INC.               TAMPA                             FL
    853.0875          WPPN725     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    853.0875          WPPN756     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    853.0875          WPPN757     MOTIENT COMMUNICATIONS INC.               LONGWOOD                          FL
    853.0875          WPTP296     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    853.2375          WPIR742     MOTIENT COMMUNICATIONS INC.               TUCSON                            AZ
    853.2375          WPTI972     MOTIENT COMMUNICATIONS INC.               LITTLE ROCK                       AR
    853.2375          WPTP298     MOTIENT COMMUNICATIONS INC.               LITTLE ROCK                       AR
    853.3125          KNEP538     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    853.3125          WNGK940     MOTIENT COMMUNICATIONS INC.               CHAMPLIN                          MN
    853.3125          WNWB446     MOTIENT COMMUNICATIONS INC.               SAINT PAUL                        MN
    853.3125          WPII726     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    853.3875          KNEM294     MOTIENT COMMUNICATIONS INC.               EULESS                            TX
    853.3875          WNKV536     MOTIENT COMMUNICATIONS INC.               KENNEDALE                         TX
    853.3875          WNKV537     MOTIENT COMMUNICATIONS INC.               RICHARDSON                        TX
    853.3875          WNMY887     MOTIENT COMMUNICATIONS INC.               ROANOKE                           TX
    853.3875          WPID435     MOTIENT COMMUNICATIONS INC.               DENTON                            TX
    853.3875          WNHJ745     MOTIENT COMMUNICATIONS INC.               DALLAS                            TX
    853.3875          WPNY215     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    853.3875          WPTE469     MOTIENT COMMUNICATIONS INC.               DALLAS                            TX
    853.3875          WPTI290     MOTIENT COMMUNICATIONS INC.               DALLAS                            TX
    853.3875          WPTN327     MOTIENT COMMUNICATIONS INC.               DALLAS                            TX
    853.3875          WPTP286     MOTIENT COMMUNICATIONS INC.               GARLAND                           TX
    853.3875          WPUS357     MOTIENT COMMUNICATIONS INC.               GRAND PRAIRIE                     TX
    853.3875          WPUS418     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPUS448     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPUS451     MOTIENT COMMUNICATIONS INC.               JERSEY CITY                       NJ
    853.3875          WPVC460     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPWJ326     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPWR531     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPWV811     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPXC789     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.3875          WPWJ326     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    853.6625          WPHJ359     MOTIENT COMMUNICATIONS INC.               LITTLE ROCK                       AR
    853.7375          WPHN208     MOTIENT COMMUNICATIONS INC.               BOISE                             ID
    853.9625          KNEP514     MOTIENT COMMUNICATIONS INC.               PITTSBURGH                        PA
    853.9625          WPIQ398     MOTIENT COMMUNICATIONS INC.               HIGH POINT                        NC
    853.9625          WPTI973     MOTIENT COMMUNICATIONS INC.               WINSTON SALEM                     NC
    853.9625          KNDN364     MOTIENT COMMUNICATIONS INC.               GREENSBORO                        NC
    854.1375          WNMZ813     MOTIENT COMMUNICATIONS INC.               MARIETTA                          GA
    854.1375          WNRI515     MOTIENT COMMUNICATIONS INC.               STONE MOUNTAIN                    GA

</TABLE>
                                      C-5
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    854.1375          WPPX294     MOTIENT COMMUNICATIONS INC.               ROSWELL                           GA
    854.1375          WPPY765     MOTIENT COMMUNICATIONS INC.               NORCROSS                          GA
    854.1375          WPPZ859     MOTIENT COMMUNICATIONS INC.               PANTHERSVILLE                     GA
    854.1375          WPTE468     MOTIENT COMMUNICATIONS INC.               LILBURN                           GA
    854.1625          KNEM323     MOTIENT COMMUNICATIONS INC.               GLENDORA                          CA
    854.3875          KNEP547     MOTIENT COMMUNICATIONS INC.               GREENVILLE                        GA
    854.3875          WNUG927     MOTIENT COMMUNICATIONS INC.               READING                           MA
    854.3875          WNUG928     MOTIENT COMMUNICATIONS INC.               BOSTON                            MA
    854.3875          WNVR316     MOTIENT COMMUNICATIONS INC.               NEWTON                            MA
    854.3875          WPGJ995     MOTIENT COMMUNICATIONS INC.               FRAMINGHAM                        MA
    854.3875          WPPY809     MOTIENT COMMUNICATIONS INC.               FOXBORO                           MA
    854.3875          WPPY255     MOTIENT COMMUNICATIONS INC.               FOXBORO                           MA
    854.3875          WPPY256     MOTIENT COMMUNICATIONS INC.               BRAINTREE                         MA
    854.3875          WPPY450     MOTIENT COMMUNICATIONS INC.               TEWKSBURY                         MA
    854.3875          WPPY451     MOTIENT COMMUNICATIONS INC.               BURLINGTON                        MA
    854.3875          WPPY967     MOTIENT COMMUNICATIONS INC.               MARLBOROUGH                       MA
    854.3875          WPQK924     MOTIENT COMMUNICATIONS INC.               FRAMINGHAM                        MA
    854.3875          KNEP519     MOTIENT COMMUNICATIONS INC.               LYNN                              MA
    854.4125          KNEP519     MOTIENT COMMUNICATIONS INC.               MARLBOROUGH                       MA
    854.4125          KNEP520     MOTIENT COMMUNICATIONS INC.               MORRISVILLE                       NC
    854.4125          WPII895     MOTIENT COMMUNICATIONS INC.               RALEIGH                           NC
    854.4125          KNDN358     MOTIENT COMMUNICATIONS INC.               RALEIGH                           NC
    854.4375          KNDN358     MOTIENT COMMUNICATIONS INC.               RALEIGH                           NC
    854.4375          WNHJ737     MOTIENT COMMUNICATIONS INC.               CRANFORD                          NJ
    854.4375          WNHJ741     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    854.4375          WNHJ745     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    854.4375          WNHJ749     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    854.4375          WNHJ753     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    854.4375          WNVP352     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    854.4375          WNVW540     MOTIENT COMMUNICATIONS INC.               HAUPPAUGE                         NY
    854.4375          WNVW610     MOTIENT COMMUNICATIONS INC.               LYNBROOK                          NY
    854.4375          WNWA849     MOTIENT COMMUNICATIONS INC.               JERICHO                           NY
    854.4375          WNWL632     MOTIENT COMMUNICATIONS INC.               WARRENVILLE                       NJ
    854.4375          WNWT216     MOTIENT COMMUNICATIONS INC.               ALPINE                            NJ
    854.4375          WPPN719     MOTIENT COMMUNICATIONS INC.               WHITE PLAINS                      NY
    854.4375          WPPN723     MOTIENT COMMUNICATIONS INC.               WHITE PLAINS                      NY
    854.4375          WPPN740     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    854.4375          WPPN745     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    854.4375          WPPN753     MOTIENT COMMUNICATIONS INC.               HACKENSACK                        NJ
    854.4375          WPPX217     MOTIENT COMMUNICATIONS INC.               MASSAPEQUA                        NY
    854.4375          WPPX629     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    854.4375          WPPY430     MOTIENT COMMUNICATIONS INC.               WEST ORANGE                       NJ
    854.4375          WPTI968     MOTIENT COMMUNICATIONS INC.               UNION CITY                        NJ
    854.4375          KNDN358     MOTIENT COMMUNICATIONS INC.               FORT LEE                          NJ
    854.6625          KNEM329     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    854.6625          KNEM330     MOTIENT COMMUNICATIONS INC.               SAN JOSE                          CA
    854.6625          KNEM331     MOTIENT COMMUNICATIONS INC.               PALO ALTO                         CA
    854.6625          KNEM333     MOTIENT COMMUNICATIONS INC.               DANVILLE                          CA

</TABLE>
                                      C-6
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    854.6625          WNHA462     MOTIENT COMMUNICATIONS INC.               PETALUMER                         CA
    854.6625          WNNL390     MOTIENT COMMUNICATIONS INC.               SANTA ROSA                        CA
    854.6625          WNPF453     MOTIENT COMMUNICATIONS INC.               ROSEMEAD                          CA
    854.6625          WPIG278     MOTIENT COMMUNICATIONS INC.               DUBLIN                            CA
    854.6625          WPIK387     MOTIENT COMMUNICATIONS INC.               NOVATO                            CA
    854.6625          WPIQ399     MOTIENT COMMUNICATIONS INC.               SAN JOSE                          CA
    854.6625          KNFZ204     MOTIENT COMMUNICATIONS INC.               ORANGE                            CA
    854.6625          WNXR207     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    854.6625          WPES898     MOTIENT COMMUNICATIONS INC.               ENCINO                            CA
    854.6625          WPFX345     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    854.6625          WPPN744     MOTIENT COMMUNICATIONS INC.               HUNTINGTON                        WV
    854.6625          WPPX392     MOTIENT COMMUNICATIONS INC.               HARRISBURG                        PA
    854.6625          WPPY447     MOTIENT COMMUNICATIONS INC.               LA HABRA                          CA
    854.6625          WPPY448     MOTIENT COMMUNICATIONS INC.               LAGUNA BEACH                      CA
    854.6625          WPPY854     MOTIENT COMMUNICATIONS INC.               SACRAMENTO                        CA
    854.6625          WPQA218     MOTIENT COMMUNICATIONS INC.               SACRAMENTO                        CA
    854.6625          WQP293      MOTIENT COMMUNICATIONS INC.               MONTROSE                          CA
    854.6625          WQZ824      MOTIENT COMMUNICATIONS INC.               OAKLAND                           CA
    854.6625          WPRT660     MOTIENT COMMUNICATIONS INC.               SACRAMENTO                        CA
    854.6625          WPRX236     MOTIENT COMMUNICATIONS INC.               WRIGHTWOOD                        CA
    854.6625          WPRX612     MOTIENT COMMUNICATIONS INC.               RANCHO CORDOVA                    CA
    854.6625          WPRZ790     MOTIENT COMMUNICATIONS INC.               SAN JUAN CAPISTRANO               CA
    854.6625          WPSE804     MOTIENT COMMUNICATIONS INC.               STOCKTON                          CA
    854.6625          WPSF797     MOTIENT COMMUNICATIONS INC.               MECHANICSBURG                     PA
    854.6625          WPTE471     MOTIENT COMMUNICATIONS INC.               HUNTINGTON BCH                    CA
    854.6625          WPTN326     MOTIENT COMMUNICATIONS INC.               STOCKTON                          CA
    854.6625          WPTN884     MOTIENT COMMUNICATIONS INC.               UNION CITY                        CA
    854.6625          WPTP287     MOTIENT COMMUNICATIONS INC.               VALLEJO                           CA
    854.6625          WPTP297     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    854.6625          WPTQ531     MOTIENT COMMUNICATIONS INC.               CARLISLE                          PA
    854.6625          WPTT279     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    854.6625          WPTT280     MOTIENT COMMUNICATIONS INC.               CORONA DEL MAR                    CA
    854.6625          WPUS825     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    854.6625          WPUS834     MOTIENT COMMUNICATIONS INC.               WESTLAKE VILLAGE                  CA
    854.6625          WPUS836     MOTIENT COMMUNICATIONS INC.               BURLINGAME                        CA
    854.6625          WPWR530     MOTIENT COMMUNICATIONS INC.               CULVER CITY                       CA
    854.6625          WNHJ729     MOTIENT COMMUNICATIONS INC.               MONROVIA                          CA
    854.6625          WNHJ733     MOTIENT COMMUNICATIONS INC                SUNNYMEAD                         CA
    854.6625          WNHJ778     MOTIENT COMMUNICATIONS INC                BURBANK                           CA
    854.6625          WNHJ782     MOTIENT COMMUNICATIONS INC                SANTA MONICA                      CA
    854.6625          WNHJ786     MOTIENT COMMUNICATIONS INC                LOS ANGELES                       CA
    854.6625          WPPX391     MOTIENT COMMUNICATIONS INC                ANAHEIM                           CA
    854.6625          WPWR530     MOTIENT COMMUNICATIONS INC                NORWALK                           CA
    854.7125          KNEP561     MOTIENT COMMUNICATIONS INC.               ANCHORAGE                         AK
    854.7625          WNIT585     MOTIENT COMMUNICATIONS INC.               TIGARD                            OR
    854.7625          WPII530     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    854.7625          WPMG325     MOTIENT COMMUNICATIONS INC.               LOCKPORT                          IL
    854.7625          WPMX399     MOTIENT COMMUNICATIONS INC.               BIRMINGHAM                        AL

</TABLE>
                                      C-7
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    854.7625          WPPE651     MOTIENT COMMUNICATIONS INC.               DETROIT                           MI
    854.7625          WPQK862     MOTIENT COMMUNICATIONS INC.               NEW BERLIN                        WI
    854.7625          WPSM718     MOTIENT COMMUNICATIONS INC.               NEW BERLIN                        WI
    854.7625          WPTC683     MOTIENT COMMUNICATIONS INC.               PRINCETON                         FL
    854.7625          WPKX231     MOTIENT COMMUNICATIONS INC.               ROCKFORD                          IL
    854.8125          WPKT402     MOTIENT COMMUNICATIONS INC.               OMAHA                             NE
    854.8125          WPPY455     MOTIENT COMMUNICATIONS INC.               OMAHA                             NE
    854.8125          WPPY456     MOTIENT COMMUNICATIONS INC.               DES MOINES                        IA
    854.8125          KNDN361     MOTIENT COMMUNICATIONS INC.               DES MOINES                        IA
    854.8375          KNEH672     MOTIENT COMMUNICATIONS INC.               W DES MOINES                      IA
    854.8375          KNEP562     MOTIENT COMMUNICATIONS INC.               MADISON                           WI
    854.8375          KNEP563     MOTIENT COMMUNICATIONS INC.               MADISON                           WI
    854.8375          WPIJ935     MOTIENT COMMUNICATIONS INC.               SOUTH MILWAUKEE                   WI
    854.8375          WPIJ991     MOTIENT COMMUNICATIONS INC.               NEW BERLIN                        WI
    854.8375          WPKF213     MOTIENT COMMUNICATIONS INC.               VIRGINIA BEACH                    VA
    854.8375          WPPB700     MOTIENT COMMUNICATIONS INC.               MILWAUKEE                         WI
    854.8375          WPPB703     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    854.8375          WPPD473     MOTIENT COMMUNICATIONS INC.               NORFOLK                           VA
    854.8375          WPPG660     MOTIENT COMMUNICATIONS INC.               VIRGINIA BEACH                    VA
    854.8375          WPPG661     MOTIENT COMMUNICATIONS INC.               WAUKESHA                          WI
    854.8375          WPPG927     MOTIENT COMMUNICATIONS INC.               VIRGINIA BEACH                    VA
    854.8375          WPQC771     MOTIENT COMMUNICATIONS INC.               CHESAPEAKE                        VA
    854.8375          WPQE395     MOTIENT COMMUNICATIONS INC.               WILLIAMSBURG                      VA
    854.8375          WPTB951     MOTIENT COMMUNICATIONS INC.               NORFOLK                           VA
    854.8375          WPTB970     MOTIENT COMMUNICATIONS INC.               LANNON                            WI
    854.8375          WPTB974     MOTIENT COMMUNICATIONS INC.               NEWPORT NEWS                      VA
    854.8375          WPTK781     MOTIENT COMMUNICATIONS INC.               NEWPORT NEWS                      VA
    854.8375          WPSI928     MOTIENT COMMUNICATIONS INC.               WILLIAMSBURG                      VA
    854.8375          WPQE395     MOTIENT COMMUNICATIONS INC.               VIRGINIA BEACH                    VA
    855.0125          KNDN358     MOTIENT COMMUNICATIONS INC.               ROTTERDAM                         NY
    855.0125          KNDN368     MOTIENT COMMUNICATIONS INC.               BRIDGEWATER                       NJ
    855.0125          KNDN369     MOTIENT COMMUNICATIONS INC.               PARSIPPANY                        NJ
    855.0125          KNDN373     MOTIENT COMMUNICATIONS INC.               BENSALEMLES                       PA
    855.0125          KNDN377     MOTIENT COMMUNICATIONS INC.               CHESTER                           PA
    855.0125          KNEM313     MOTIENT COMMUNICATIONS INC.               LANCASTER                         PA
    855.0125          KNEM322     MOTIENT COMMUNICATIONS INC.               LAS VEGAS                         NV
    855.0125          KNEM324     MOTIENT COMMUNICATIONS INC.               SAN BERNARDINO                    CA
    855.0125          KNEM325     MOTIENT COMMUNICATIONS INC.               SUNNYMEADE                        CA
    855.0125          KNEM334     MOTIENT COMMUNICATIONS INC.               OXNARD                            CA
    855.0125          KNEP511     MOTIENT COMMUNICATIONS INC.               SANTA BARBARA                     CA
    855.0125          KNEP545     MOTIENT COMMUNICATIONS INC.               SAN LUIS OBISPO                   CA
    855.0125          KNEP549     MOTIENT COMMUNICATIONS INC.               SPRINGFIELD                       MA
    855.0125          KNEP550     MOTIENT COMMUNICATIONS INC.               BRIDGEPORT                        CT
    855.0125          KNEP551     MOTIENT COMMUNICATIONS INC.               WINDSOR                           CT
    855.0125          KNEP553     MOTIENT COMMUNICATIONS INC.               FISHKILL                          NY
    855.0125          KNEP554     MOTIENT COMMUNICATIONS INC.               PORTLAND                          ME
    855.0125          KNEP556     MOTIENT COMMUNICATIONS INC.               NEW HAVEN                         CT
    855.0125          KNEP570     MOTIENT COMMUNICATIONS INC.               MOUNT KISCO                       NY

</TABLE>
                                      C-8
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.0125          KNEP571     MOTIENT COMMUNICATIONS INC.               STERLING FOREST                   NY
    855.0125          KNER538     MOTIENT COMMUNICATIONS INC.               ANN ARBOR                         MI
    855.0125          KNJH370     MOTIENT COMMUNICATIONS INC.               ESSEXVILLE                        MI
    855.0125          KNJH437     MOTIENT COMMUNICATIONS INC.               GROTON                            CT
    855.0125          KNJU730     MOTIENT COMMUNICATIONS INC.               STORRS                            CT
    855.0125          KNJU731     MOTIENT COMMUNICATIONS INC.               FREEHOLD                          NJ
    855.0125          WMWD763     MOTIENT COMMUNICATIONS INC.               WATERBURY                         CT
    855.0125          WNAJ769     MOTIENT COMMUNICATIONS INC.               SOUTHBURY                         CT
    855.0125          WNAU538     MOTIENT COMMUNICATIONS INC.               MARSHFIELD HILLS                  MA
    855.0125          WNAU436     MOTIENT COMMUNICATIONS INC.               PITTSFIELD                        MA
    855.0125          WNBZ614     MOTIENT COMMUNICATIONS INC.               NEWARK                            DE
    855.0125          WNFP948     MOTIENT COMMUNICATIONS INC.               WILMINGTON                        DE
    855.0125          WNFQ799     MOTIENT COMMUNICATIONS INC.               MIDLAND                           MI
    855.0125          WNGE632     MOTIENT COMMUNICATIONS INC.               TRAVERSE CITY                     MI
    855.0125          WNGX891     MOTIENT COMMUNICATIONS INC.               ANSONIA                           CT
    855.0125          WNHB960     MOTIENT COMMUNICATIONS INC.               MIDDLETOWN                        CT
    855.0125          WNHB982     MOTIENT COMMUNICATIONS INC.               OAKLAND                           NJ
    855.0125          WNHB983     MOTIENT COMMUNICATIONS INC.               PARAMUS                           NJ
    855.0125          WNHG666     MOTIENT COMMUNICATIONS INC.               PISCATAWAY                        NJ
    855.0125          WNIC348     MOTIENT COMMUNICATIONS INC.               MORRISTOWN                        NJ
    855.0125          WNLY463     MOTIENT COMMUNICATIONS INC.               TORRINGTON                        CT
    855.0125          WNMA267     MOTIENT COMMUNICATIONS INC.               AMHERST                           MA
    855.0125          WNMA268     MOTIENT COMMUNICATIONS INC.               CLAWSON                           MI
    855.0125          WNMC484     MOTIENT COMMUNICATIONS INC.               CLINTON TOWNSHIP                  MI
    855.0125          WNMJ687     MOTIENT COMMUNICATIONS INC.               TAYLOR                            MI
    855.0125          WNMJ689     MOTIENT COMMUNICATIONS INC.               PORT HURON                        MI
    855.0125          WNMS719     MOTIENT COMMUNICATIONS INC.               BLOOMING GROVE                    NY
    855.0125          WNMY818     MOTIENT COMMUNICATIONS INC.               MIDDLETOWN                        NY
    855.0125          WNMY819     MOTIENT COMMUNICATIONS INC.               YONKERS                           NY
    855.0125          WNMZ811     MOTIENT COMMUNICATIONS INC.               PHILLIPSTOWN                      NY
    855.0125          WNNH600     MOTIENT COMMUNICATIONS INC.               SOMERS                            NY
    855.0125          WNPM262     MOTIENT COMMUNICATIONS INC.               GLENS FALLS                       NY
    855.0125          WNPM263     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    855.0125          WNPM264     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    855.0125          WNQL978     MOTIENT COMMUNICATIONS INC.               UPPER DUBLIN                      PA
    855.0125          WNUG927     MOTIENT COMMUNICATIONS INC.               VILLANOVA                         PA
    855.0125          WNUG928     MOTIENT COMMUNICATIONS INC.               LEWISTON                          ME
    855.0125          WNUX618     MOTIENT COMMUNICATIONS INC.               BOSTON                            MA
    855.0125          WNWK980     MOTIENT COMMUNICATIONS INC.               ENUMCLAW                          WA
    855.0125          WPIN254     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    855.0125          WPIQ757     MOTIENT COMMUNICATIONS INC.               LINCROFT                          NJ
    855.0125          WPKE664     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    855.0125          WPLX510     MOTIENT COMMUNICATIONS INC.               PROVIDENCE                        RI
    855.0125          WPMJ536     MOTIENT COMMUNICATIONS INC.               BROOKLYN                          NY
    855.0125          WPMJ537     MOTIENT COMMUNICATIONS INC.               GLEN OAKS                         NY
    855.0125          WPMJ540     MOTIENT COMMUNICATIONS INC.               WHITE PLAINS                      NY
    855.0125          WPMJ544     MOTIENT COMMUNICATIONS INC.               PORTCHESTER                       NY
    855.0125          WPMJ546     MOTIENT COMMUNICATIONS INC.               BRONX                             NY

</TABLE>
                                      C-9
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.0125          WPMJ845     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    855.0125          WPMJ847     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY
    855.0125          WPMJ850     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM498     MOTIENT COMMUNICATIONS INC.               EAST ELMHURST                     NY
    855.0125          WPMM505     MOTIENT COMMUNICATIONS INC.               NEWPORT BEACH                     CA
    855.0125          WPMM508     MOTIENT COMMUNICATIONS INC.               LONG BEACH                        CA
    855.0125          WPMM509     MOTIENT COMMUNICATIONS INC.               BURBANK                           CA
    855.0125          WPMM510     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.0125          WPMM511     MOTIENT COMMUNICATIONS INC.               SAN DIMAS                         CA
    855.0125          WPMM513     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.0125          WPMM514     MOTIENT COMMUNICATIONS INC.               WESTWOOD                          CA
    855.0125          WPMM515     MOTIENT COMMUNICATIONS INC.               SANTA MONICA                      CA
    855.0125          WPMM517     MOTIENT COMMUNICATIONS INC.               NORWALK                           CA
    855.0125          WPMM518     MOTIENT COMMUNICATIONS INC.               ROSEMEAD                          CA
    855.0125          WPMM519     MOTIENT COMMUNICATIONS INC.               LA HABRA                          CA
    855.0125          WPMM521     MOTIENT COMMUNICATIONS INC.               CORONA                            CA
    855.0125          WPMM522     MOTIENT COMMUNICATIONS INC.               SIGNAL HILL                       CA
    855.0125          WPMM566     MOTIENT COMMUNICATIONS INC.               RANCHO PALOS                      CA
    855.0125          WPMM567     MOTIENT COMMUNICATIONS INC.               IRVINE                            CA
    855.0125          WPMM570     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM571     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM573     MOTIENT COMMUNICATIONS INC.               SOMERSET                          NJ
    855.0125          WPMM574     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    855.0125          WPMM576     MOTIENT COMMUNICATIONS INC.               HACKENSACK                        NJ
    855.0125          WPMM579     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM580     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM582     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM583     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM584     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         NY
    855.0125          WPMM586     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM588     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM589     MOTIENT COMMUNICATIONS INC.               BROOKLYN                          NY
    855.0125          WPMM590     MOTIENT COMMUNICATIONS INC.               PLAINVIEW                         NY
    855.0125          WPMM592     MOTIENT COMMUNICATIONS INC.               HAUPPAUGE                         NY
    855.0125          WPMM690     MOTIENT COMMUNICATIONS INC.               MASSAPEQUA                        NY
    855.0125          WPMM694     MOTIENT COMMUNICATIONS INC.               SELDEN                            NY
    855.0125          WPMM696     MOTIENT COMMUNICATIONS INC.               DIX HILLS                         NY
    855.0125          WPMM701     MOTIENT COMMUNICATIONS INC.               BAY SHORE                         NY
    855.0125          WPMM703     MOTIENT COMMUNICATIONS INC.               LYNBROOK                          NY
    855.0125          WPMM704     MOTIENT COMMUNICATIONS INC.               HEMPSTEAD                         NY
    855.0125          WPMM707     MOTIENT COMMUNICATIONS INC.               JAMAICA                           NY
    855.0125          WPMM710     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    855.0125          WPMM713     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM714     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM715     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPMM716     MOTIENT COMMUNICATIONS INC.               ANNANDALE                         NJ
    855.0125          WPMN444     MOTIENT COMMUNICATIONS INC.               NORTH BERGEN                      NJ
    855.0125          WPMN446     MOTIENT COMMUNICATIONS INC.               JERICHO                           NY

</TABLE>
                                      C-10
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.0125          WPNW606     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    855.0125          WPNW609     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.0125          WPOX379     MOTIENT COMMUNICATIONS INC.               MAHWAH                            NJ
    855.0125          WPOX979     MOTIENT COMMUNICATIONS INC.               ALLENWOOD                         NJ
    855.0125          WPPA285     MOTIENT COMMUNICATIONS INC.               MONTROSE                          CA
    855.0125          WPPC886     MOTIENT COMMUNICATIONS INC.               DOYLESTOWN                        PA
    855.0125          WPPC887     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    855.0125          WPPC888     MOTIENT COMMUNICATIONS INC.               SANTA ANA                         CA
    855.0125          WPPU213     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.0125          WPQA894     MOTIENT COMMUNICATIONS INC.               PATERSON                          NJ
    855.0125          WPQA895     MOTIENT COMMUNICATIONS INC.               PAXTON                            MA
    855.0125          WPQA896     MOTIENT COMMUNICATIONS INC.               EASTON                            PA
    855.0125          WPQD675     MOTIENT COMMUNICATIONS INC.               WESCOSVILLE                       PA
    855.0125          WPQD697     MOTIENT COMMUNICATIONS INC.               HANOVER                           PA
    855.0125          WPQD698     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.0125          WPQD699     MOTIENT COMMUNICATIONS INC.               LOUISVILLE                        KY
    855.0125          WPQD705     MOTIENT COMMUNICATIONS INC.               LOUISVILLE                        KY
    855.0125          WPQD706     MOTIENT COMMUNICATIONS INC.               CHELSEA                           AL
    855.0125          WPQD708     MOTIENT COMMUNICATIONS INC.               BIRMINGHAM                        AL
    855.0125          WPQD712     MOTIENT COMMUNICATIONS INC.               VALENCIA                          CA
    855.0125          WPQF506     MOTIENT COMMUNICATIONS INC.               ANAHEIM                           CA
    855.0125          WPQF507     MOTIENT COMMUNICATIONS INC.               PROVIDENCE                        RI
    855.0125          WPQK733     MOTIENT COMMUNICATIONS INC.               HOOVER                            AL
    855.0125          WPQK734     MOTIENT COMMUNICATIONS INC.               LAGUNA BEACH                      CA
    855.0125          WPQK735     MOTIENT COMMUNICATIONS INC.               NORWOOD                           MA
    855.0125          WPQK738     MOTIENT COMMUNICATIONS INC.               AVON                              MA
    855.0125          WPQK743     MOTIENT COMMUNICATIONS INC.               NEWTON                            MA
    855.0125          WPQK745     MOTIENT COMMUNICATIONS INC.               NEWTON                            MA
    855.0125          WPQK746     MOTIENT COMMUNICATIONS INC.               QUINCY                            MA
    855.0125          WPQK750     MOTIENT COMMUNICATIONS INC.               FOXBORO                           MA
    855.0125          WPQK768     MOTIENT COMMUNICATIONS INC.               MEDFORD                           MA
    855.0125          WNCE622     MOTIENT COMMUNICATIONS INC.               BOSTON                            MA
    855.0125          WPPC281     MOTIENT COMMUNICATIONS INC.               MARLBOROUGH                       MA
    855.0125          WPRZ820     MOTIENT COMMUNICATIONS INC.               PELHAM                            NY
    855.0125          WPSE976     MOTIENT COMMUNICATIONS INC.               GLEN ROCK                         NJ
    855.0125          WPSG649     MOTIENT COMMUNICATIONS INC.               OKLAHOMA CITY                     OK
    855.0125          WPSH761     MOTIENT COMMUNICATIONS INC.               BEND                              OR
    855.0125          WPSH763     MOTIENT COMMUNICATIONS INC.               JOHNSTON                          RI
    855.0125          WPSH829     MOTIENT COMMUNICATIONS INC.               VINELAND                          NJ
    855.0125          WPSH832     MOTIENT COMMUNICATIONS INC.               EDMOND                            OK
    855.0125          WPSJ204     MOTIENT COMMUNICATIONS INC.               HARPER WOODS                      MI
    855.0125          WPSL265     MOTIENT COMMUNICATIONS INC.               ROYAL OAK                         MI
    855.0125          WPSM583     MOTIENT COMMUNICATIONS INC.               DEPTFORD                          NJ
    855.0125          WPSM656     MOTIENT COMMUNICATIONS INC.               WORCESTER                         MA
    855.0125          WPSM701     MOTIENT COMMUNICATIONS INC.               EL SEGUNDO                        CA
    855.0125          WPSM709     MOTIENT COMMUNICATIONS INC.               YORK                              PA
    855.0125          WPSR742     MOTIENT COMMUNICATIONS INC.               NEW BEDFORD                       MA
    855.0125          WPST444     MOTIENT COMMUNICATIONS INC.               CUMBERLAND                        RI

</TABLE>
                                      C-11
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.0125          WPTC452     MOTIENT COMMUNICATIONS INC.               VOORHEES                          NJ
    855.0125          WPTK771     MOTIENT COMMUNICATIONS INC.               WENATCHEE                         WA
    855.0125          WPTL252     MOTIENT COMMUNICATIONS INC.               LANSING                           MI
    855.0125          WPTN893     MOTIENT COMMUNICATIONS INC.               ROCHESTER                         MN
    855.0125          KNEM323     MOTIENT COMMUNICATIONS INC.               LOUISVILLE                        KY
    855.0125          WPSH761     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.0125          WPSH763     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.0375          WNHN246     MOTIENT COMMUNICATIONS INC.               NEW KENSINGTON                    PA
    855.0375          WNHR675     MOTIENT COMMUNICATIONS INC.               GREENSBURG                        PA
    855.0375          WNRU558     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        PA
    855.0375          WPII730     MOTIENT COMMUNICATIONS INC.               NEW ORLEANS                       LA
    855.0375          WPQZ292     MOTIENT COMMUNICATIONS INC.               COLUMBIA                          SC
    855.0375          WPSE952     MOTIENT COMMUNICATIONS INC.               PITTSBURGH                        PA
    855.0375          WPST445     MOTIENT COMMUNICATIONS INC.               BETHEL PARK                       PA
    855.0375          WPTB952     MOTIENT COMMUNICATIONS INC.               PITTSBURGH                        PA
    855.0375          WPSI984     MOTIENT COMMUNICATIONS INC.               SPOKANE                           WA
    855.0375          WPSJ208     MOTIENT COMMUNICATIONS INC.               SPOKANE                           WA
    855.0625          WNCA339     MOTIENT COMMUNICATIONS INC.               PHOENIX                           AZ
    855.0625          WNCA339     MOTIENT COMMUNICATIONS INC.               PHOENIX                           AZ
    855.0625          WPIM331     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    855.0625          WPMX370     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    855.0625          WPPW985     MOTIENT COMMUNICATIONS INC.               MOBILE                            AL
    855.0625          WPQK757     MOTIENT COMMUNICATIONS INC.               SCOTTSDALE                        AZ
    855.0625          WPRX819     MOTIENT COMMUNICATIONS INC.               SCOTTSDALE                        AZ
    855.0625          WPSI669     MOTIENT COMMUNICATIONS INC.               CHANDLER                          AZ
    855.0875          WNBN523     MOTIENT COMMUNICATIONS INC.               HONOLULU                          HI
    855.0875          KNEP573     MOTIENT COMMUNICATIONS INC.               BAKERSFIELD                       CA
    855.2625          KNEP574     MOTIENT COMMUNICATIONS INC.               DAYTON                            OH
    855.2625          WNMK561     MOTIENT COMMUNICATIONS INC.               FAIRFIELD                         OH
    855.2625          WPIG313     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.2625          WPNW294     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.2625          WPPC583     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.2625          WPPD431     MOTIENT COMMUNICATIONS INC.               FLORENCE                          KY
    855.2625          WPPY802     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.2875          KNEM307     MOTIENT COMMUNICATIONS INC.               MIAMISBURG                        OH
    855.2875          KNEM350     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.2875          WNNL390     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.2875          WNPA699     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.2875          WNPW281     MOTIENT COMMUNICATIONS INC.               BALLWIN                           MO
    855.2875          WPID474     MOTIENT COMMUNICATIONS INC.               SAINT LOUIS                       MO
    855.2875          WPID478     MOTIENT COMMUNICATIONS INC.               FLORISSANT                        MO
    855.2875          WPPW968     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.2875          WPPW969     MOTIENT COMMUNICATIONS INC.               SAINT LOUIS                       MO
    855.2875          WPPZ392     MOTIENT COMMUNICATIONS INC.               TULSA                             OK
    855.2875          WPQB569     MOTIENT COMMUNICATIONS INC.               TULSA                             OK
    855.2875          WPSG651     MOTIENT COMMUNICATIONS INC.               BROKEN ARROW                      OK
    855.2875          WPSI917     MOTIENT COMMUNICATIONS INC.               VINITA PARK                       MO
    855.2875          WPTC682     MOTIENT COMMUNICATIONS INC.               CARMEL                            IN

</TABLE>
                                      C-12
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.2875          WPTE229     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.2875          WPTL719     MOTIENT COMMUNICATIONS INC.               SALINAS                           CA
    855.3125          KNEP527     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    855.3125          WPID466     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    855.3125          WPSQ640     MOTIENT COMMUNICATIONS INC.               LEXINGTON                         KY
    855.3125          WPSQ643     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    855.3125          WPSQ644     MOTIENT COMMUNICATIONS INC.               MACON                             GA
    855.3125          WPTK972     MOTIENT COMMUNICATIONS INC.               CENTERVILLE                       GA
    855.3125          WPSI921     MOTIENT COMMUNICATIONS INC.               MACON                             GA
    855.3375          WPJT290     MOTIENT COMMUNICATIONS INC.               MILFORD                           IN
    855.3375          WPSM714     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.3375          WPTK685     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.3375          WPUI717     MOTIENT COMMUNICATIONS INC.               PENSACOLA                         FL
    855.3375          WPSM651     MOTIENT COMMUNICATIONS INC.               KALAMAZOO                         MI
    855.3375          WPSM715     MOTIENT COMMUNICATIONS INC.               SOUTH BEND                        IN
    855.3875          WNGE632     MOTIENT COMMUNICATIONS INC.               MALIBU                            CA
    855.3875          WNHA461     MOTIENT COMMUNICATIONS INC.               ANAHEIM                           CA
    855.3875          WNHA462     MOTIENT COMMUNICATIONS INC.               SANTA MONICA                      CA
    855.3875          WNHA463     MOTIENT COMMUNICATIONS INC.               NEWPORT                           CA
    855.3875          WPHG948     MOTIENT COMMUNICATIONS INC.               CORONA                            CA
    855.3875          WPHK742     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.3875          WPCZ324     MOTIENT COMMUNICATIONS INC.               WESTWOOD                          CA
    855.3875          KNEP522     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.5125          KNEP597     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.5125          WPPW876     MOTIENT COMMUNICATIONS INC.               NASHVILLE                         TN
    855.5125          WPPW877     MOTIENT COMMUNICATIONS INC.               MEMPHIS                           TN
    855.5125          WPPW972     MOTIENT COMMUNICATIONS INC.               MADISON                           TN
    855.5125          WPPX571     MOTIENT COMMUNICATIONS INC.               NASHVILLE                         TN
    855.5125          WPQK795     MOTIENT COMMUNICATIONS INC.               BRENTWOOD                         TN
    855.5375          WPPY787     MOTIENT COMMUNICATIONS INC.               FORT WAYNE                        IN
    855.5375          WPPY788     MOTIENT COMMUNICATIONS INC.               OLDSMAR                           FL
    855.5625          WPSE255     MOTIENT COMMUNICATIONS INC.               ALBUQUERQUE                       NM
    855.5625          WPSH760     MOTIENT COMMUNICATIONS INC.               BRISTOL                           TN
    855.5625          WPSE255     MOTIENT COMMUNICATIONS INC.               KINGSPORT                         TN
    855.5875          WPPU577     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    855.5875          WPPW967     MOTIENT COMMUNICATIONS INC.               RENO                              NV
    855.5875          WPIS660     MOTIENT COMMUNICATIONS INC.               RENO                              NV
    855.7875          WPWP568     MOTIENT COMMUNICATIONS INC.               PHOENIX                           AZ
    855.8125          KNEC277     MOTIENT COMMUNICATIONS INC.               N MIAMI BEACH                     FL
    855.8125          KNEC278     MOTIENT COMMUNICATIONS INC.               POMPANO BEACH                     FL
    855.8125          KNEM297     MOTIENT COMMUNICATIONS INC.               AUSTIN                            TX
    855.8125          WNMW352     MOTIENT COMMUNICATIONS INC.               AUSTIN                            TX
    855.8125          WNNM718     MOTIENT COMMUNICATIONS INC.               GEORGETOWN                        TX
    855.8125          WPII894     MOTIENT COMMUNICATIONS INC.               WEST PALM BEACH                   FL
    855.8125          WPNY429     MOTIENT COMMUNICATIONS INC.               HIALEAH                           FL
    855.8125          WPPG812     MOTIENT COMMUNICATIONS INC.               MIAMI                             FL
    855.8125          WPPH367     MOTIENT COMMUNICATIONS INC.               MIAMI                             FL
    855.8125          WPPV479     MOTIENT COMMUNICATIONS INC.               HOLLYWOOD                         FL

</TABLE>
                                      C-13
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8125          WPPV480     MOTIENT COMMUNICATIONS INC.               MIAMI                             FL
    855.8125          WPPV481     MOTIENT COMMUNICATIONS INC.               LAKE WORTH                        FL
    855.8125          WPQA313     MOTIENT COMMUNICATIONS INC.               BOCA RATON                        FL
    855.8125          WPQB575     MOTIENT COMMUNICATIONS INC.               WEST PALM BEACH                   FL
    855.8125          WPQD676     MOTIENT COMMUNICATIONS INC.               FORT LAUDERDALE                   FL
    855.8125          WPQD696     MOTIENT COMMUNICATIONS INC.               DELRAY BEACH                      FL
    855.8125          WPQK796     MOTIENT COMMUNICATIONS INC.               CORAL SPRINGS                     FL
    855.8125          WNAR390     MOTIENT COMMUNICATIONS INC.               PARKLAND                          FL
    855.8375          KNDN334     MOTIENT COMMUNICATIONS INC.               JACKSON                           MS
    855.8375          KNDN337     MOTIENT COMMUNICATIONS INC.               SCRANTON                          PA
    855.8375          KNDN338     MOTIENT COMMUNICATIONS INC.               WILKES BARRE                      PA
    855.8375          KNDN341     MOTIENT COMMUNICATIONS INC.               LAFAYETTE                         LA
    855.8375          KNDN342     MOTIENT COMMUNICATIONS INC.               BATON ROUGE                       LA
    855.8375          KNDN345     MOTIENT COMMUNICATIONS INC.               ELMIRA                            NY
    855.8375          KNDN346     MOTIENT COMMUNICATIONS INC.               BINGHAMTON                        NY
    855.8375          KNDN348     MOTIENT COMMUNICATIONS INC.               ENDICOTT                          NY
    855.8375          KNDN349     MOTIENT COMMUNICATIONS INC.               PETERSBURG                        VA
    855.8375          KNDN353     MOTIENT COMMUNICATIONS INC.               CHESTER                           VA
    855.8375          KNDN354     MOTIENT COMMUNICATIONS INC.               MIDLOTHIAN                        VA
    855.8375          KNDN356     MOTIENT COMMUNICATIONS INC.               CHARLOTTESVILLE                   VA
    855.8375          KNDN357     MOTIENT COMMUNICATIONS INC.               ROTTERDAM                         NY
    855.8375          KNDN360     MOTIENT COMMUNICATIONS INC.               LEXINGTON PARK                    MD
    855.8375          KNDN361     MOTIENT COMMUNICATIONS INC.               MONTGOMERY                        AL
    855.8375          KNDN364     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    855.8375          KNDN368     MOTIENT COMMUNICATIONS INC.               MARIETTA                          GA
    855.8375          KNDN369     MOTIENT COMMUNICATIONS INC.               BACTON HILL                       PA
    855.8375          KNDN372     MOTIENT COMMUNICATIONS INC.               BENSALEMLES                       PA
    855.8375          KNDN373     MOTIENT COMMUNICATIONS INC.               ATHENS                            GA
    855.8375          KNDN376     MOTIENT COMMUNICATIONS INC.               CLERMONT                          GA
    855.8375          KNDN377     MOTIENT COMMUNICATIONS INC.               MACON                             GA
    855.8375          KNDN380     MOTIENT COMMUNICATIONS INC.               CENTERVILLE                       GA
    855.8375          KNDN381     MOTIENT COMMUNICATIONS INC.               MECHANICSBURG                     PA
    855.8375          KNDN384     MOTIENT COMMUNICATIONS INC.               CARLISLE                          PA
    855.8375          KNDN385     MOTIENT COMMUNICATIONS INC.               TRENTON                           NJ
    855.8375          KNDN388     MOTIENT COMMUNICATIONS INC.               HIGHSTOWN                         NJ
    855.8375          KNDN389     MOTIENT COMMUNICATIONS INC.               TRENTON                           NJ
    855.8375          KNDN392     MOTIENT COMMUNICATIONS INC.               ALBANY                            GA
    855.8375          KNDN393     MOTIENT COMMUNICATIONS INC.               VINELAND                          NJ
    855.8375          KNDN397     MOTIENT COMMUNICATIONS INC.               GLEN BURNIE                       MD
    855.8375          KNDN400     MOTIENT COMMUNICATIONS INC.               TOWSON                            MD
    855.8375          KNDN404     MOTIENT COMMUNICATIONS INC.               SHREVEPORT                        LA
    855.8375          KNEC268     MOTIENT COMMUNICATIONS INC.               GREENWOOD                         LA
    855.8375          KNEC269     MOTIENT COMMUNICATIONS INC.               COCOA                             FL
    855.8375          KNEC270     MOTIENT COMMUNICATIONS INC.               TITUSVILLE                        FL
    855.8375          KNEC272     MOTIENT COMMUNICATIONS INC.               ORANGE PARK                       FL
    855.8375          KNEC273     MOTIENT COMMUNICATIONS INC.               PENSACOLA                         FL
    855.8375          KNEC276     MOTIENT COMMUNICATIONS INC.               PENSACOLA                         FL
    855.8375          KNEC277     MOTIENT COMMUNICATIONS INC.               N MIAMI BEACH                     FL

</TABLE>
                                      C-14
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          KNEC278     MOTIENT COMMUNICATIONS INC.               POMPANO BEACH                     FL
    855.8375          KNEC279     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    855.8375          KNEH668     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    855.8375          KNEH669     MOTIENT COMMUNICATIONS INC.               ASHLAND                           KY
    855.8375          KNEH670     MOTIENT COMMUNICATIONS INC.               HUNTINGTON                        WV
    855.8375          KNEH671     MOTIENT COMMUNICATIONS INC.               HUNTINGTON                        WV
    855.8375          KNEH672     MOTIENT COMMUNICATIONS INC.               APPLETON                          WI
    855.8375          KNEH673     MOTIENT COMMUNICATIONS INC.               MADISON                           WI
    855.8375          KNEH676     MOTIENT COMMUNICATIONS INC.               ROANOKE                           VA
    855.8375          KNEM293     MOTIENT COMMUNICATIONS INC.               RIEDSVILLE                        NC
    855.8375          KNEM294     MOTIENT COMMUNICATIONS INC.               FOREST                            VA
    855.8375          KNEM295     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    855.8375          KNEM296     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    855.8375          KNEM297     MOTIENT COMMUNICATIONS INC.               AUSTIN                            TX
    855.8375          KNEM298     MOTIENT COMMUNICATIONS INC.               AUSTIN                            TX
    855.8375          KNEM299     MOTIENT COMMUNICATIONS INC.               TEMPLE                            TX
    855.8375          KNEM300     MOTIENT COMMUNICATIONS INC.               KILLEEN                           TX
    855.8375          KNEM301     MOTIENT COMMUNICATIONS INC.               SALT LAKE CITY                    UT
    855.8375          KNEM302     MOTIENT COMMUNICATIONS INC.               SALT LAKE CITY                    UT
    855.8375          KNEM270     MOTIENT COMMUNICATIONS INC.               WICHITA                           KS
    855.8375          KNEM271     MOTIENT COMMUNICATIONS INC.               WICHITA                           KS
    855.8375          KNEM272     MOTIENT COMMUNICATIONS INC.               FORT SMITH                        AR
    855.8375          KNEM279     MOTIENT COMMUNICATIONS INC.               TULSA                             OK
    855.8375          KNEM280     MOTIENT COMMUNICATIONS INC.               TULSA                             OK
    855.8375          KNEM281     MOTIENT COMMUNICATIONS INC.               HATO REY                          PR
    855.8375          KNEM283     MOTIENT COMMUNICATIONS INC.               GUAYNABO                          PR
    855.8375          KNEM284     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    855.8375          KNEM285     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    855.8375          KNEM286     MOTIENT COMMUNICATIONS INC.               MAURICEVILLE                      TX
    855.8375          KNEM287     MOTIENT COMMUNICATIONS INC.               GALVESTON                         TX
    855.8375          KNEM288     MOTIENT COMMUNICATIONS INC.               HITCHCOCK                         TX
    855.8375          KNEM289     MOTIENT COMMUNICATIONS INC.               AMARILLO                          TX
    855.8375          KNEM290     MOTIENT COMMUNICATIONS INC.               CORPUS CHRISTI                    TX
    855.8375          KNEM291     MOTIENT COMMUNICATIONS INC.               CORPUS CHRISTI                    TX
    855.8375          KNEM292     MOTIENT COMMUNICATIONS INC.               LUBBOCK                           TX
    855.8375          KNEM303     MOTIENT COMMUNICATIONS INC.               MIDLAND                           TX
    855.8375          KNEM304     MOTIENT COMMUNICATIONS INC.               ODESSA                            TX
    855.8375          KNEM305     MOTIENT COMMUNICATIONS INC.               WICHITA FALLS                     TX
    855.8375          KNEM306     MOTIENT COMMUNICATIONS INC.               MANHATTAN                         KS
    855.8375          KNEM307     MOTIENT COMMUNICATIONS INC.               BRENTWOOD                         MO
    855.8375          KNEM308     MOTIENT COMMUNICATIONS INC.               SAINT LOUIS                       MO
    855.8375          KNEM309     MOTIENT COMMUNICATIONS INC.               BELLEVILLE                        IL
    855.8375          KNEM310     MOTIENT COMMUNICATIONS INC.               SIOUX FALLS                       SD
    855.8375          KNEM311     MOTIENT COMMUNICATIONS INC.               SIOUX FALLS                       SD
    855.8375          KNEM312     MOTIENT COMMUNICATIONS INC.               SIOUX FALLS                       SD
    855.8375          KNEM314     MOTIENT COMMUNICATIONS INC.               DENVER                            CO
    855.8375          KNEM315     MOTIENT COMMUNICATIONS INC.               CARSON CITY                       NV
    855.8375          KNEM316     MOTIENT COMMUNICATIONS INC.               VIRGINIA CITY                     NV

</TABLE>
                                      C-15
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          KNEM317     MOTIENT COMMUNICATIONS INC.               SANTA FE                          NM
    855.8375          KNEM326     MOTIENT COMMUNICATIONS INC.               ALBUQUERQUE                       NM
    855.8375          KNEM328     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    855.8375          KNEM329     MOTIENT COMMUNICATIONS INC.               SAN RAFAEL                        CA
    855.8375          KNEM330     MOTIENT COMMUNICATIONS INC.               SAN JOSE                          CA
    855.8375          KNEM331     MOTIENT COMMUNICATIONS INC.               HAYWARD                           CA
    855.8375          KNEM332     MOTIENT COMMUNICATIONS INC.               SACRAMENTO                        CA
    855.8375          KNEM333     MOTIENT COMMUNICATIONS INC.               SACRAMENTO                        CA
    855.8375          KNEM335     MOTIENT COMMUNICATIONS INC.               PETALUMER                         CA
    855.8375          KNEM336     MOTIENT COMMUNICATIONS INC.               SANTA ROSA                        CA
    855.8375          KNEM337     MOTIENT COMMUNICATIONS INC.               FRESNO                            CA
    855.8375          KNEM338     MOTIENT COMMUNICATIONS INC.               STOCKTON                          CA
    855.8375          KNEM339     MOTIENT COMMUNICATIONS INC.               MODESTO                           CA
    855.8375          KNEM340     MOTIENT COMMUNICATIONS INC.               SALINAS                           CA
    855.8375          KNEM341     MOTIENT COMMUNICATIONS INC.               PEKIN                             IL
    855.8375          KNEM342     MOTIENT COMMUNICATIONS INC.               PEORIA HEIGHTS                    IL
    855.8375          KNEM344     MOTIENT COMMUNICATIONS INC.               PEORIA                            IL
    855.8375          KNEM345     MOTIENT COMMUNICATIONS INC.               EAST MOLINE                       IL
    855.8375          KNEM346     MOTIENT COMMUNICATIONS INC.               DAVENPORT                         IA
    855.8375          KNEM348     MOTIENT COMMUNICATIONS INC.               MOLINE                            IL
    855.8375          KNEM349     MOTIENT COMMUNICATIONS INC.               SPRINGFIELD                       IL
    855.8375          KNEM350     MOTIENT COMMUNICATIONS INC.               DECATUR                           IL
    855.8375          KNEM351     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.8375          KNEM352     MOTIENT COMMUNICATIONS INC.               INDIANAPOLIS                      IN
    855.8375          KNEM354     MOTIENT COMMUNICATIONS INC.               TERRE HAUTE                       IN
    855.8375          KNEM355     MOTIENT COMMUNICATIONS INC.               MARION HEIGHTS                    IN
    855.8375          KNEM356     MOTIENT COMMUNICATIONS INC.               ALEXANDRIA                        IN
    855.8375          KNEM357     MOTIENT COMMUNICATIONS INC.               FORT WAYNE                        IN
    855.8375          KNEM358     MOTIENT COMMUNICATIONS INC.               SOUTH BEND                        IN
    855.8375          KNEM359     MOTIENT COMMUNICATIONS INC.               WEST LAFAYETTE                    IN
    855.8375          KNEP511     MOTIENT COMMUNICATIONS INC.               LAFAYETTE                         IN
    855.8375          KNEP512     MOTIENT COMMUNICATIONS INC.               SPOKANE                           WA
    855.8375          KNEP514     MOTIENT COMMUNICATIONS INC.               SPOKANE                           WA
    855.8375          KNEP515     MOTIENT COMMUNICATIONS INC.               HIGH POINT                        NC
    855.8375          KNEP516     MOTIENT COMMUNICATIONS INC.               WINSTON SALEM                     NC
    855.8375          KNEP517     MOTIENT COMMUNICATIONS INC.               HICKORY                           NC
    855.8375          KNEP518     MOTIENT COMMUNICATIONS INC.               STATESVILLE                       NC
    855.8375          KNEP519     MOTIENT COMMUNICATIONS INC.               DURHAM                            NC
    855.8375          KNEP520     MOTIENT COMMUNICATIONS INC.               CHAPEL HILL                       NC
    855.8375          KNEP521     MOTIENT COMMUNICATIONS INC.               RALEIGH                           NC
    855.8375          KNEP522     MOTIENT COMMUNICATIONS INC.               RALEIGH                           NC
    855.8375          KNEP523     MOTIENT COMMUNICATIONS INC.               BRENTWOOD                         TN
    855.8375          KNEP525     MOTIENT COMMUNICATIONS INC.               KINGSPORT                         TN
    855.8375          KNEP526     MOTIENT COMMUNICATIONS INC.               CLEVELAND                         TN
    855.8375          KNEP527     MOTIENT COMMUNICATIONS INC.               KNOXVILLE                         TN
    855.8375          KNEP528     MOTIENT COMMUNICATIONS INC.               LEXINGTON                         KY
    855.8375          KNEP529     MOTIENT COMMUNICATIONS INC.               GEORGETOWN                        KY
    855.8375          KNEP530     MOTIENT COMMUNICATIONS INC.               LEXINGTON                         KY

</TABLE>
                                      C-16
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          KNEP531     MOTIENT COMMUNICATIONS INC.               LINCOLN                           NE
    855.8375          KNEP532     MOTIENT COMMUNICATIONS INC.               OMAHA                             NE
    855.8375          KNEP533     MOTIENT COMMUNICATIONS INC.               DES MOINES                        IA
    855.8375          KNEP534     MOTIENT COMMUNICATIONS INC.               WEST DES MOINES                   IA
    855.8375          KNEP535     MOTIENT COMMUNICATIONS INC.               DES MOINES                        IA
    855.8375          KNEP536     MOTIENT COMMUNICATIONS INC.               CEDAR RAPIDS                      IA
    855.8375          KNEP538     MOTIENT COMMUNICATIONS INC.               BOISE                             ID
    855.8375          KNEP539     MOTIENT COMMUNICATIONS INC.               CHAMPLIN                          MN
    855.8375          KNEP504     MOTIENT COMMUNICATIONS INC.               WOODBURY                          MN
    855.8375          KNEP505     MOTIENT COMMUNICATIONS INC.               LARGO                             FL
    855.8375          KNEP506     MOTIENT COMMUNICATIONS INC.               SAINT PETERSBURG                  FL
    855.8375          KNEP508     MOTIENT COMMUNICATIONS INC.               SARASOTA                          FL
    855.8375          KNEP509     MOTIENT COMMUNICATIONS INC.               SPARTANBURG                       SC
    855.8375          KNEP510     MOTIENT COMMUNICATIONS INC.               COLUMBIA                          SC
    855.8375          KNEP541     MOTIENT COMMUNICATIONS INC.               AUGUSTA                           GA
    855.8375          KNEP542     MOTIENT COMMUNICATIONS INC.               NORTH AUGUSTA                     SC
    855.8375          KNEP543     MOTIENT COMMUNICATIONS INC.               CONCORD                           NH
    855.8375          KNEP544     MOTIENT COMMUNICATIONS INC.               TIGARD                            OR
    855.8375          KNEP545     MOTIENT COMMUNICATIONS INC.               WILSONVILLE                       OR
    855.8375          KNEP546     MOTIENT COMMUNICATIONS INC.               MARION                            OR
    855.8375          KNEP547     MOTIENT COMMUNICATIONS INC.               BEDFORD                           MA
    855.8375          KNEP548     MOTIENT COMMUNICATIONS INC.               QUINCY                            MA
    855.8375          KNEP550     MOTIENT COMMUNICATIONS INC.               HARTFORD                          CT
    855.8375          KNEP551     MOTIENT COMMUNICATIONS INC.               HARTFORD                          CT
    855.8375          KNEP552     MOTIENT COMMUNICATIONS INC.               WINDSOR                           CT
    855.8375          KNEP555     MOTIENT COMMUNICATIONS INC.               HALF HOLLOWS                      NY
    855.8375          KNEP557     MOTIENT COMMUNICATIONS INC.               PLAINVIEW                         NY
    855.8375          KNEP558     MOTIENT COMMUNICATIONS INC.               PITTSBURGH                        PA
    855.8375          KNEP562     MOTIENT COMMUNICATIONS INC.               NEW KENSINGTON                    PA
    855.8375          KNEP563     MOTIENT COMMUNICATIONS INC.               PITTSBURGH                        PA
    855.8375          KNEP565     MOTIENT COMMUNICATIONS INC.               NEW BERLIN                        WI
    855.8375          KNEP566     MOTIENT COMMUNICATIONS INC.               MUSKEGON HEIGHTS                  MI
    855.8375          KNEP567     MOTIENT COMMUNICATIONS INC.               GRAND RAPIDS                      MI
    855.8375          KNEP572     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    855.8375          KNEP573     MOTIENT COMMUNICATIONS INC.               DUBLIN                            OH
    855.8375          KNEP574     MOTIENT COMMUNICATIONS INC.               MOUNT REPOSE                      OH
    855.8375          KNEP596     MOTIENT COMMUNICATIONS INC.               FAIRFIELD                         OH
    855.8375          KNEP597     MOTIENT COMMUNICATIONS INC.               LOUISVILLE                        KY
    855.8375          KNEP598     MOTIENT COMMUNICATIONS INC.               MEMPHIS                           TN
    855.8375          KNER537     MOTIENT COMMUNICATIONS INC.               WATERLOO                          IA
    855.8375          KNHJ351     MOTIENT COMMUNICATIONS INC.               CEDAR FALLS                       IA
    855.8375          KNHJ367     MOTIENT COMMUNICATIONS INC.               FINDLAY                           OH
    855.8375          KNHJ375     MOTIENT COMMUNICATIONS INC.               LIMA                              OH
    855.8375          KNIY836     MOTIENT COMMUNICATIONS INC.               FREDERICK                         MD
    855.8375          KNJH370     MOTIENT COMMUNICATIONS INC.               CUMBERLAND                        MD
    855.8375          KNJH430     MOTIENT COMMUNICATIONS INC.               HAGERSTOWN                        MD
    855.8375          KNJH440     MOTIENT COMMUNICATIONS INC.               PUEBLO                            CO
    855.8375          KNJU710     MOTIENT COMMUNICATIONS INC.               NORWICH                           CT

</TABLE>
                                      C-17
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          KNJU711     MOTIENT COMMUNICATIONS INC.               READING                           PA
    855.8375          KNJU715     MOTIENT COMMUNICATIONS INC.               POTTSTOWN                         PA
    855.8375          KNJU722     MOTIENT COMMUNICATIONS INC.               MOUNT GRETNA                      PA
    855.8375          KNJU730     MOTIENT COMMUNICATIONS INC.               FAYETTEVILLE                      AR
    855.8375          KNJU735     MOTIENT COMMUNICATIONS INC.               ROGERS                            AR
    855.8375          KNJU760     MOTIENT COMMUNICATIONS INC.               PLAINSBORO                        NJ
    855.8375          KNJU846     MOTIENT COMMUNICATIONS INC.               FREEHOLD                          NJ
    855.8375          KNJU849     MOTIENT COMMUNICATIONS INC.               OGDEN                             UT
    855.8375          KNNQ455     MOTIENT COMMUNICATIONS INC.               ROY                               UT
    855.8375          KNNV765     MOTIENT COMMUNICATIONS INC.               LAYTON                            UT
    855.8375          KNNV778     MOTIENT COMMUNICATIONS INC.               HATTIESBURG                       MS
    855.8375          KNNV791     MOTIENT COMMUNICATIONS INC.               NAPLES                            FL
    855.8375          WNAJ779     MOTIENT COMMUNICATIONS INC.               ROCKINGHAM                        NC
    855.8375          WNAJ786     MOTIENT COMMUNICATIONS INC.               MARSHFIELD HILLS                  MA
    855.8375          WNAR347     MOTIENT COMMUNICATIONS INC.               JOPLIN                            MO
    855.8375          WNAR367     MOTIENT COMMUNICATIONS INC.               TUSCALOOSA                        AL
    855.8375          WNAR368     MOTIENT COMMUNICATIONS INC.               ALEXANDRIA                        LA
    855.8375          WNAR369     MOTIENT COMMUNICATIONS INC.               COLLEGE STATION                   TX
    855.8375          WNAR370     MOTIENT COMMUNICATIONS INC.               KENNEWICK                         WA
    855.8375          WNAS489     MOTIENT COMMUNICATIONS INC.               POCATELLO                         ID
    855.8375          WNAS539     MOTIENT COMMUNICATIONS INC.               JOHNSTOWN                         PA
    855.8375          WNAU395     MOTIENT COMMUNICATIONS INC.               IDAHO FALLS                       ID
    855.8375          WNAU538     MOTIENT COMMUNICATIONS INC.               SALISBURY                         MD
    855.8375          WNAU554     MOTIENT COMMUNICATIONS INC.               EASTON                            PA
    855.8375          WNAU436     MOTIENT COMMUNICATIONS INC.               KEENE                             NH
    855.8375          WNAY586     MOTIENT COMMUNICATIONS INC.               NEWARK                            DE
    855.8375          WNAY599     MOTIENT COMMUNICATIONS INC.               WILMINGTON                        DE
    855.8375          WNAY603     MOTIENT COMMUNICATIONS INC.               FORT MYERS                        FL
    855.8375          WNAY669     MOTIENT COMMUNICATIONS INC.               FORT MYERS                        FL
    855.8375          WNAY705     MOTIENT COMMUNICATIONS INC.               NEW BEDFORD                       MA
    855.8375          WNAY709     MOTIENT COMMUNICATIONS INC.               QUINCY                            IL
    855.8375          WNAY710     MOTIENT COMMUNICATIONS INC.               CASPER                            WY
    855.8375          WNAY713     MOTIENT COMMUNICATIONS INC.               CASPER                            WY
    855.8375          WNAY714     MOTIENT COMMUNICATIONS INC.               FORT COLLINS                      CO
    855.8375          WNAY717     MOTIENT COMMUNICATIONS INC.               CHEYENNE                          WY
    855.8375          WNBG503     MOTIENT COMMUNICATIONS INC.               GRAND JUNCTION                    CO
    855.8375          WNBG507     MOTIENT COMMUNICATIONS INC.               LAWRENCE                          KS
    855.8375          WNBN498     MOTIENT COMMUNICATIONS INC.               TUPELO                            MS
    855.8375          WNBU610     MOTIENT COMMUNICATIONS INC.               BILLINGS                          MT
    855.8375          WNBU614     MOTIENT COMMUNICATIONS INC.               GREAT FALLS                       MT
    855.8375          WNBU618     MOTIENT COMMUNICATIONS INC.               ITHACA                            NY
    855.8375          WNBU622     MOTIENT COMMUNICATIONS INC.               AMS                               IA
    855.8375          WNBU642     MOTIENT COMMUNICATIONS INC.               SHEBOYGAN                         WI
    855.8375          WNBU646     MOTIENT COMMUNICATIONS INC.               STEVENS POINT                     WI
    855.8375          WNBU646     MOTIENT COMMUNICATIONS INC.               WISCONSIN RAPIDS                  WI
    855.8375          WNBU650     MOTIENT COMMUNICATIONS INC.               DULUTH                            MN
    855.8375          WNBU654     MOTIENT COMMUNICATIONS INC.               LA CROSSE                         WI
    855.8375          WNBU767     MOTIENT COMMUNICATIONS INC.               LA CROSSE                         WI

</TABLE>
                                      C-18
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WNCE607     MOTIENT COMMUNICATIONS INC.               DUBUQUE                           IA
    855.8375          WNCE616     MOTIENT COMMUNICATIONS INC.               IOWA CITY                         IA
    855.8375          WNCX354     MOTIENT COMMUNICATIONS INC.               WILMINGTON                        NC
    855.8375          WNEC246     MOTIENT COMMUNICATIONS INC.               ALTOONA                           PA
    855.8375          WNFP578     MOTIENT COMMUNICATIONS INC.               DANVILLE                          VA
    855.8375          WNGH957     MOTIENT COMMUNICATIONS INC.               COLLINSVILLE                      VA
    855.8375          WNGK940     MOTIENT COMMUNICATIONS INC.               ARDEN HILLS                       MN
    855.8375          WNGT763     MOTIENT COMMUNICATIONS INC.               BURNSVILLE                        MN
    855.8375          WNGX891     MOTIENT COMMUNICATIONS INC.               SAINT PAUL                        MN
    855.8375          WNHA461     MOTIENT COMMUNICATIONS INC.               MINNEAPOLIS                       MN
    855.8375          WNHA462     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.8375          WNHA463     MOTIENT COMMUNICATIONS INC.               EL SEGUNDO                        CA
    855.8375          WNHA464     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.8375          WNHB960     MOTIENT COMMUNICATIONS INC.               GLENDALE                          CA
    855.8375          WNHC485     MOTIENT COMMUNICATIONS INC.               SIGNAL HILL                       CA
    855.8375          WNHG665     MOTIENT COMMUNICATIONS INC.               LONG BEACH                        CA
    855.8375          WNHL228     MOTIENT COMMUNICATIONS INC.               WEST ORANGE                       NJ
    855.8375          WNHN246     MOTIENT COMMUNICATIONS INC.               DENISON                           TX
    855.8375          WNHR675     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        PA
    855.8375          WNIC349     MOTIENT COMMUNICATIONS INC.               MORGANTOWN                        WV
    855.8375          WNJV498     MOTIENT COMMUNICATIONS INC.               WALL                              PA
    855.8375          WNKG427     MOTIENT COMMUNICATIONS INC.               KITTANNING                        PA
    855.8375          WNKH532     MOTIENT COMMUNICATIONS INC.               LEBANON                           NH
    855.8375          WNKH533     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    855.8375          WNKH534     MOTIENT COMMUNICATIONS INC.               SKOKIE                            IL
    855.8375          WNKH535     MOTIENT COMMUNICATIONS INC.               NORTHBROOK                        IL
    855.8375          WNKH536     MOTIENT COMMUNICATIONS INC.               PARK RIDGE                        IL
    855.8375          WNKH537     MOTIENT COMMUNICATIONS INC.               WHEELER                           IN
    855.8375          WNKV536     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    855.8375          WNKV537     MOTIENT COMMUNICATIONS INC.               CEDAR HILL                        TX
    855.8375          WNLD464     MOTIENT COMMUNICATIONS INC.               MESQUITE                          TX
    855.8375          WNLF308     MOTIENT COMMUNICATIONS INC.               ROANOKE                           TX
    855.8375          WNLG274     MOTIENT COMMUNICATIONS INC.               GRANBURY                          TX
    855.8375          WNLJ227     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    855.8375          WNLJ228     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    855.8375          WNLM260     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    855.8375          WNLN567     MOTIENT COMMUNICATIONS INC.               LAPORTE                           IN
    855.8375          WNLN568     MOTIENT COMMUNICATIONS INC.               PARKERSBURG                       WV
    855.8375          WNLW305     MOTIENT COMMUNICATIONS INC.               LINDEN                            VA
    855.8375          WNLX212     MOTIENT COMMUNICATIONS INC.               MAYAGUEZ                          PR
    855.8375          WNLX419     MOTIENT COMMUNICATIONS INC.               SAINT THOMAS                      VI
    855.8375          WNMA264     MOTIENT COMMUNICATIONS INC.               DECATUR                           AL
    855.8375          WNMA265     MOTIENT COMMUNICATIONS INC.               HUTCHINSON                        KS
    855.8375          WNMA266     MOTIENT COMMUNICATIONS INC.               STARKVILLE                        MS
    855.8375          WNMF203     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          MS
    855.8375          WNMH514     MOTIENT COMMUNICATIONS INC.               JANESVILLE                        WI
    855.8375          WNMH516     MOTIENT COMMUNICATIONS INC.               MT. VERNON                        IL
    855.8375          WNMJ687     MOTIENT COMMUNICATIONS INC.               FLORENCE                          SC

</TABLE>
                                      C-19
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WNMK561     MOTIENT COMMUNICATIONS INC.               YAKIMA                            WA
    855.8375          WNMP525     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.8375          WNMP526     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.8375          WNMR628     MOTIENT COMMUNICATIONS INC.               CINCINNATI                        OH
    855.8375          WNMR631     MOTIENT COMMUNICATIONS INC.               LELAND                            MS
    855.8375          WNMS414     MOTIENT COMMUNICATIONS INC.               FREDERICKSBURG                    VA
    855.8375          WNMS719     MOTIENT COMMUNICATIONS INC.               HOLLAND                           MI
    855.8375          WNMW659     MOTIENT COMMUNICATIONS INC.               REDDING                           CA
    855.8375          WNMW660     MOTIENT COMMUNICATIONS INC.               OWATONNA                          MN
    855.8375          WNMW744     MOTIENT COMMUNICATIONS INC.               WILMINGTON                        DE
    855.8375          WNMY886     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WNMY887     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WNMZ810     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WNMZ812     MOTIENT COMMUNICATIONS INC.               VICKSBURG                         MS
    855.8375          WNMZ813     MOTIENT COMMUNICATIONS INC.               DENTON                            TX
    855.8375          WNNB511     MOTIENT COMMUNICATIONS INC.               STONE MOUNTAIN                    GA
    855.8375          WNNB512     MOTIENT COMMUNICATIONS INC.               ROSWELL                           GA
    855.8375          WNND991     MOTIENT COMMUNICATIONS INC.               DULUTH                            GA
    855.8375          WNNE783     MOTIENT COMMUNICATIONS INC.               MATTOON                           IL
    855.8375          WNNE896     MOTIENT COMMUNICATIONS INC.               BOURBONNAIS                       IL
    855.8375          WNNF958     MOTIENT COMMUNICATIONS INC.               DANVILLE                          IL
    855.8375          WNNF959     MOTIENT COMMUNICATIONS INC.               DEXTER                            MO
    855.8375          WNNF960     MOTIENT COMMUNICATIONS INC.               BLUEFIELD                         WV
    855.8375          WNNF961     MOTIENT COMMUNICATIONS INC.               ANNISTON                          AL
    855.8375          WNNF962     MOTIENT COMMUNICATIONS INC.               VINCENNES                         IN
    855.8375          WNNH631     MOTIENT COMMUNICATIONS INC.               WARSAW                            IN
    855.8375          WNNH988     MOTIENT COMMUNICATIONS INC.               ABILENE                           KS
    855.8375          WNNH992     MOTIENT COMMUNICATIONS INC.               GREELEY                           CO
    855.8375          WNNJ660     MOTIENT COMMUNICATIONS INC.               ROLLA                             MO
    855.8375          WNNJ661     MOTIENT COMMUNICATIONS INC.               BOWLING GREEN                     KY
    855.8375          WNNJ662     MOTIENT COMMUNICATIONS INC.               MYRTLE BEACH                      SC
    855.8375          WNNJ663     MOTIENT COMMUNICATIONS INC.               GRAY                              LA
    855.8375          WNNJ664     MOTIENT COMMUNICATIONS INC.               RAPID CITY                        SD
    855.8375          WNNL337     MOTIENT COMMUNICATIONS INC.               VICTORIA                          TX
    855.8375          WNNL387     MOTIENT COMMUNICATIONS INC.               PADUCAH                           KY
    855.8375          WNNL390     MOTIENT COMMUNICATIONS INC.               WOODSTOCK                         IL
    855.8375          WNNL395     MOTIENT COMMUNICATIONS INC.               GRANITE QUARRY                    NC
    855.8375          WNNM715     MOTIENT COMMUNICATIONS INC.               SANTA CRUZ                        CA
    855.8375          WNNM716     MOTIENT COMMUNICATIONS INC.               GILROY                            CA
    855.8375          WNNM717     MOTIENT COMMUNICATIONS INC.               MEDFORD                           OR
    855.8375          WNNM718     MOTIENT COMMUNICATIONS INC.               HOT SPRINGS                       AR
    855.8375          WNNM719     MOTIENT COMMUNICATIONS INC.               HIALEAH                           FL
    855.8375          WNNM720     MOTIENT COMMUNICATIONS INC.               FORT LAUDERDALE                   FL
    855.8375          WNNM721     MOTIENT COMMUNICATIONS INC.               SWEETWATER                        FL
    855.8375          WNNM728     MOTIENT COMMUNICATIONS INC.               DEKALB                            IL
    855.8375          WNNP441     MOTIENT COMMUNICATIONS INC.               JASPER                            IN
    855.8375          WNNR320     MOTIENT COMMUNICATIONS INC.               NEWARK                            OH
    855.8375          WNNR324     MOTIENT COMMUNICATIONS INC.               CENTERVILLE                       IN

</TABLE>
                                      C-20
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WNNS417     MOTIENT COMMUNICATIONS INC.               WILSON                            NC
    855.8375          WNNS418     MOTIENT COMMUNICATIONS INC.               MUSKOGEE                          OK
    855.8375          WNNS419     MOTIENT COMMUNICATIONS INC.               CLINTON                           IA
    855.8375          WNNS420     MOTIENT COMMUNICATIONS INC.               EL DORADO                         AR
    855.8375          WNNS442     MOTIENT COMMUNICATIONS INC.               CAPE GIRARDEAU                    MO
    855.8375          WNNS449     MOTIENT COMMUNICATIONS INC.               HILO                              HI
    855.8375          WNNU601     MOTIENT COMMUNICATIONS INC.               JONESBORO                         AR
    855.8375          WNNU609     MOTIENT COMMUNICATIONS INC.               KANSAS CITY                       MO
    855.8375          WNNU723     MOTIENT COMMUNICATIONS INC.               KANSAS CITY                       MO
    855.8375          WNNU754     MOTIENT COMMUNICATIONS INC.               INDEPENDENCE                      MO
    855.8375          WNNU760     MOTIENT COMMUNICATIONS INC.               SOUTH PORTSMOUTH                  KY
    855.8375          WNNY747     MOTIENT COMMUNICATIONS INC.               MOSCOW                            ID
    855.8375          WNPA228     MOTIENT COMMUNICATIONS INC.               BARNSTABLE                        MA
    855.8375          WNPA228     MOTIENT COMMUNICATIONS INC.               BUTTE                             MT
    855.8375          WNPA314     MOTIENT COMMUNICATIONS INC.               MARSHALLTOWN                      IA
    855.8375          WNPA315     MOTIENT COMMUNICATIONS INC.               CATAWISSA                         PA
    855.8375          WNPA316     MOTIENT COMMUNICATIONS INC.               NORTHUMBERLAND                    PA
    855.8375          WNPA317     MOTIENT COMMUNICATIONS INC.               PIERRE                            SD
    855.8375          WNPA686     MOTIENT COMMUNICATIONS INC.               GILLETTE                          WY
    855.8375          WNPA687     MOTIENT COMMUNICATIONS INC.               OWENSBORO                         KY
    855.8375          WNPA695     MOTIENT COMMUNICATIONS INC.               TUSCUMBIA                         AL
    855.8375          WNPD937     MOTIENT COMMUNICATIONS INC.               WYTHEVILLE                        VA
    855.8375          WNPF453     MOTIENT COMMUNICATIONS INC.               STROUDSBURG                       PA
    855.8375          WNPK679     MOTIENT COMMUNICATIONS INC.               KANEOHE                           HI
    855.8375          WNPM262     MOTIENT COMMUNICATIONS INC.               DUBLIN                            CA
    855.8375          WNPM263     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    855.8375          WNPM264     MOTIENT COMMUNICATIONS INC.               PHILADELPHIA                      PA
    855.8375          WNPM265     MOTIENT COMMUNICATIONS INC.               UPPER DUBLIN                      PA
    855.8375          WNPN617     MOTIENT COMMUNICATIONS INC.               VILLANOVA                         PA
    855.8375          WNPO246     MOTIENT COMMUNICATIONS INC.               GOSHEN TOWNSHIP                   PA
    855.8375          WNPO247     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WNPO248     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WNPO273     MOTIENT COMMUNICATIONS INC.               MC LEAN                           VA
    855.8375          WNPP219     MOTIENT COMMUNICATIONS INC.               RESTON                            VA
    855.8375          WNPP634     MOTIENT COMMUNICATIONS INC.               SPRINGFIELD                       VA
    855.8375          WNPP638     MOTIENT COMMUNICATIONS INC.               GADSDEN                           AL
    855.8375          WNPP646     MOTIENT COMMUNICATIONS INC.               WILLIAMSBURG                      MD
    855.8375          WNPW281     MOTIENT COMMUNICATIONS INC.               BALLWIN                           MO
    855.8375          WNQA899     MOTIENT COMMUNICATIONS INC.               WOOD RIVER                        IL
    855.8375          WNQH687     MOTIENT COMMUNICATIONS INC.               SAINT LOUIS                       MO
    855.8375          WNQH743     MOTIENT COMMUNICATIONS INC.               FLORISSANT                        MO
    855.8375          WNQK739     MOTIENT COMMUNICATIONS INC.               GOLDSBORO                         NC
    855.8375          WNQK740     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      NC
    855.8375          WNQK741     MOTIENT COMMUNICATIONS INC.               ROME                              GA
    855.8375          WNQL311     MOTIENT COMMUNICATIONS INC.               CORVALLIS                         OR
    855.8375          WNQL388     MOTIENT COMMUNICATIONS INC.               JEROME                            ID
    855.8375          WNQL643     MOTIENT COMMUNICATIONS INC.               JERICHO                           NY
    855.8375          WNQL862     MOTIENT COMMUNICATIONS INC.               STATEN ISLAND                     NY

</TABLE>
                                      C-21
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WNQL975     MOTIENT COMMUNICATIONS INC.               BALTIMORE                         MD
    855.8375          WNQL994     MOTIENT COMMUNICATIONS INC.               BEL AIR                           MD
    855.8375          WNQL998     MOTIENT COMMUNICATIONS INC.               CATONSVILLE                       MD
    855.8375          WNQL999     MOTIENT COMMUNICATIONS INC.               CAPE MAY                          NJ
    855.8375          WNQP972     MOTIENT COMMUNICATIONS INC.               MARION                            OH
    855.8375          WNQQ755     MOTIENT COMMUNICATIONS INC.               ANDERSON                          SC
    855.8375          WNQQ756     MOTIENT COMMUNICATIONS INC.               GREENWOOD                         SC
    855.8375          WNQQ762     MOTIENT COMMUNICATIONS INC.               HARRISONBURG                      VA
    855.8375          WNQU885     MOTIENT COMMUNICATIONS INC.               HAZELTON                          PA
    855.8375          WNRC381     MOTIENT COMMUNICATIONS INC.               POTTSVILLE                        PA
    855.8375          WNRC404     MOTIENT COMMUNICATIONS INC.               STAFFORD                          TX
    855.8375          WNRI515     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    855.8375          WNRI515     MOTIENT COMMUNICATIONS INC.               HOUSTON                           TX
    855.8375          WNSR605     MOTIENT COMMUNICATIONS INC.               VERO BEACH                        FL
    855.8375          WNSR605     MOTIENT COMMUNICATIONS INC.               NORCROSS                          GA
    855.8375          WNUG927     MOTIENT COMMUNICATIONS INC.               ALPHARETTA                        GA
    855.8375          WNUG928     MOTIENT COMMUNICATIONS INC.               DANVERS                           MA
    855.8375          WNUX443     MOTIENT COMMUNICATIONS INC.               AVON                              MA
    855.8375          WNVR316     MOTIENT COMMUNICATIONS INC.               NEWTON                            MA
    855.8375          WNWA871     MOTIENT COMMUNICATIONS INC.               ROCKFORD                          IL
    855.8375          WNWB446     MOTIENT COMMUNICATIONS INC.               FOXBORO                           MA
    855.8375          WNWL628     MOTIENT COMMUNICATIONS INC.               LEXINGTON                         MA
    855.8375          WNXS728     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WNZI964     MOTIENT COMMUNICATIONS INC.               BETHESDA                          MD
    855.8375          WPDQ374     MOTIENT COMMUNICATIONS INC.               MARYSVILLE                        OH
    855.8375          WPHJ267     MOTIENT COMMUNICATIONS INC.               REYNOLDSBURG                      OH
    855.8375          WPID470     MOTIENT COMMUNICATIONS INC.               MADRAS                            GA
    855.8375          WPIM704     MOTIENT COMMUNICATIONS INC.               CORBIN                            KY
    855.8375          WPIM716     MOTIENT COMMUNICATIONS INC.               DENVER                            CO
    855.8375          WPJT676     MOTIENT COMMUNICATIONS INC.               BOULDER                           CO
    855.8375          WPKE347     MOTIENT COMMUNICATIONS INC.               STAMFORD                          CT
    855.8375          WPKK502     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    855.8375          WPKL227     MOTIENT COMMUNICATIONS INC.               HOPKINSVILLE                      KY
    855.8375          WPKL355     MOTIENT COMMUNICATIONS INC.               PANAMA CITY                       FL
    855.8375          WPKL357     MOTIENT COMMUNICATIONS INC.               PUNTA GORDA                       FL
    855.8375          WPNS381     MOTIENT COMMUNICATIONS INC.               RESEARCH TRIANGLE                 NC
    855.8375          WPNS382     MOTIENT COMMUNICATIONS INC.               LINCOLNSHIRE                      IL
    855.8375          WPNV595     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    855.8375          WPNX502     MOTIENT COMMUNICATIONS INC.               BLUE ISLAND                       IL
    855.8375          WPNX870     MOTIENT COMMUNICATIONS INC.               FLORENCE                          KY
    855.8375          WPNY418     MOTIENT COMMUNICATIONS INC.               DALLAS                            TX
    855.8375          WPNZ810     MOTIENT COMMUNICATIONS INC.               COLUMBIA                          MD
    855.8375          WPOX380     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    855.8375          WPOX976     MOTIENT COMMUNICATIONS INC.               HOFFMAN ESTATES                   IL
    855.8375          WPOX979     MOTIENT COMMUNICATIONS INC.               SIMI VALLEY                       CA
    855.8375          WPOX980     MOTIENT COMMUNICATIONS INC.               MONTROSE                          CA
    855.8375          WPOZ960     MOTIENT COMMUNICATIONS INC.               ORLANDO                           FL
    855.8375          WPPB247     MOTIENT COMMUNICATIONS INC.               DOYLESTOWN                        PA

</TABLE>
                                      C-22
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WPPB248     MOTIENT COMMUNICATIONS INC.               WAYCROSS                          GA
    855.8375          WPPB704     MOTIENT COMMUNICATIONS INC.               ANNAPOLIS                         MD
    855.8375          WPPC279     MOTIENT COMMUNICATIONS INC.               CUMMING                           GA
    855.8375          WPPC885     MOTIENT COMMUNICATIONS INC.               JACKSONVILLE                      FL
    855.8375          WPPD431     MOTIENT COMMUNICATIONS INC.               WOODBRIDGE                        VA
    855.8375          WPPD437     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    855.8375          WPPD473     MOTIENT COMMUNICATIONS INC.               PLANO                             TX
    855.8375          WPPG813     MOTIENT COMMUNICATIONS INC.               CRYATAL LAKE                      IL
    855.8375          WPPU204     MOTIENT COMMUNICATIONS INC.               WAUKESHA                          WI
    855.8375          WPPU205     MOTIENT COMMUNICATIONS INC.               CHESAPEAKE                        VA
    855.8375          WPPU206     MOTIENT COMMUNICATIONS INC.               HOLLYWOOD                         FL
    855.8375          WPPU207     MOTIENT COMMUNICATIONS INC.               STAMFORD                          CT
    855.8375          WPPU208     MOTIENT COMMUNICATIONS INC.               MIDDLETOWN                        NY
    855.8375          WPPU209     MOTIENT COMMUNICATIONS INC.               NEW ROCHELLE                      NY
    855.8375          WPPU210     MOTIENT COMMUNICATIONS INC.               YONKERS                           NY
    855.8375          WPPU211     MOTIENT COMMUNICATIONS INC.               JAMAICA                           NY
    855.8375          WPPU212     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    855.8375          WPPU214     MOTIENT COMMUNICATIONS INC.               BRONX                             NY
    855.8375          WPPU215     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPU216     MOTIENT COMMUNICATIONS INC.               SAYREVILLE                        NJ
    855.8375          WPPU217     MOTIENT COMMUNICATIONS INC.               TOMBALL                           TX
    855.8375          WPPU218     MOTIENT COMMUNICATIONS INC.               MAHWAH                            NJ
    855.8375          WPPU219     MOTIENT COMMUNICATIONS INC.               MAHWAH                            NJ
    855.8375          WPPU220     MOTIENT COMMUNICATIONS INC.               BRIDGEWATER                       NJ
    855.8375          WPPU221     MOTIENT COMMUNICATIONS INC.               TOMS RIVER                        NJ
    855.8375          WPPU222     MOTIENT COMMUNICATIONS INC.               LITTLE FALLS                      NJ
    855.8375          WPPU223     MOTIENT COMMUNICATIONS INC.               EDISON                            NJ
    855.8375          WPPU224     MOTIENT COMMUNICATIONS INC.               MORRISTOWN                        NJ
    855.8375          WPPU313     MOTIENT COMMUNICATIONS INC.               DENVILLE                          NJ
    855.8375          WPPU565     MOTIENT COMMUNICATIONS INC.               OAKLAND                           NJ
    855.8375          WPPU566     MOTIENT COMMUNICATIONS INC.               TARRYTOWN                         NY
    855.8375          WPPU567     MOTIENT COMMUNICATIONS INC.               SOMERS                            WI
    855.8375          WPPU568     MOTIENT COMMUNICATIONS INC.               GLEN OAKS                         NY
    855.8375          WPPU569     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPV483     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPV484     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPV509     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPV510     MOTIENT COMMUNICATIONS INC.               BURBANK                           CA
    855.8375          WPPV511     MOTIENT COMMUNICATIONS INC.               WOODLAND HILLS                    CA
    855.8375          WPPV907     MOTIENT COMMUNICATIONS INC.               ALPINE                            NJ
    855.8375          WPPV908     MOTIENT COMMUNICATIONS INC.               FREEHOLD                          NJ
    855.8375          WPPV909     MOTIENT COMMUNICATIONS INC.               TINTON FALLS                      NJ
    855.8375          WPPV910     MOTIENT COMMUNICATIONS INC.               NEWBURY PARK                      CA
    855.8375          WPPV911     MOTIENT COMMUNICATIONS INC.               ENCINO                            CA
    855.8375          WPPV912     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPPW623     MOTIENT COMMUNICATIONS INC.               SAN BERNARDINO                    CA
    855.8375          WPPW626     MOTIENT COMMUNICATIONS INC.               NEWARK                            NJ
    855.8375          WPPW627     MOTIENT COMMUNICATIONS INC.               ROCKVILLE                         MD

</TABLE>
                                      C-23
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WPPW628     MOTIENT COMMUNICATIONS INC.               MORENO VALLEY                     CA
    855.8375          WPPW970     MOTIENT COMMUNICATIONS INC.               CORONA                            CA
    855.8375          WPPW971     MOTIENT COMMUNICATIONS INC.               PALMDALE                          CA
    855.8375          WPPW973     MOTIENT COMMUNICATIONS INC.               MEHLVILLE                         MO
    855.8375          WPPW974     MOTIENT COMMUNICATIONS INC.               ALBANY                            NY
    855.8375          WPPW975     MOTIENT COMMUNICATIONS INC.               ALBANY                            NY
    855.8375          WPPW976     MOTIENT COMMUNICATIONS INC.               WATERBURY                         CT
    855.8375          WPPW977     MOTIENT COMMUNICATIONS INC.               SOUTHBURY                         CT
    855.8375          WPPW978     MOTIENT COMMUNICATIONS INC.               HAMDEN                            CT
    855.8375          WPPW979     MOTIENT COMMUNICATIONS INC.               MILFORD                           CT
    855.8375          WPPW983     MOTIENT COMMUNICATIONS INC.               NEW HAVEN                         CT
    855.8375          WPPW984     MOTIENT COMMUNICATIONS INC.               SHELTON                           CT
    855.8375          WPPW986     MOTIENT COMMUNICATIONS INC.               ANSONIA                           CT
    855.8375          WPPW988     MOTIENT COMMUNICATIONS INC.               PATERSON                          NJ
    855.8375          WPPW966     MOTIENT COMMUNICATIONS INC.               PUTNAM VALLEY                     NY
    855.8375          WPPW989     MOTIENT COMMUNICATIONS INC.               EDMOND                            OK
    855.8375          WPPW991     MOTIENT COMMUNICATIONS INC.               MOUNT KISCO                       NY
    855.8375          WPPW992     MOTIENT COMMUNICATIONS INC.               WHITE PLAINS                      NY
    855.8375          WPPW993     MOTIENT COMMUNICATIONS INC.               SOMERSET                          NJ
    855.8375          WPPX239     MOTIENT COMMUNICATIONS INC.               BRIDGEWATER                       NJ
    855.8375          WPPX395     MOTIENT COMMUNICATIONS INC.               PORTCHESTER                       NY
    855.8375          WPPX396     MOTIENT COMMUNICATIONS INC.               DANBURY                           CT
    855.8375          WPPX397     MOTIENT COMMUNICATIONS INC.               OKLAHOMA CITY                     OK
    855.8375          WPPX398     MOTIENT COMMUNICATIONS INC.               VENTURA                           CA
    855.8375          WPPX403     MOTIENT COMMUNICATIONS INC.               LEXINGTON                         KY
    855.8375          WPPX404     MOTIENT COMMUNICATIONS INC.               SUMMIT                            NJ
    855.8375          WPPX428     MOTIENT COMMUNICATIONS INC.               SOMERSET                          NJ
    855.8375          WPPX634     MOTIENT COMMUNICATIONS INC.               WARREN TOWNSHIP                   NJ
    855.8375          WPPX705     MOTIENT COMMUNICATIONS INC.               HACKENSACK                        NJ
    855.8375          WPPY356     MOTIENT COMMUNICATIONS INC.               SIMI VALLEY                       CA
    855.8375          WPPY785     MOTIENT COMMUNICATIONS INC.               SPRING                            TX
    855.8375          WPPY789     MOTIENT COMMUNICATIONS INC.               DESERT HOT SPRINGS                CA
    855.8375          WPPY795     MOTIENT COMMUNICATIONS INC.               SAN DIMAS                         CA
    855.8375          WPPY798     MOTIENT COMMUNICATIONS INC.               ORO GRANDE                        CA
    855.8375          WPPY883     MOTIENT COMMUNICATIONS INC.               DOUGLASVILLE                      GA
    855.8375          WPPZ631     MOTIENT COMMUNICATIONS INC.               NORTHFORD                         CT
    855.8375          WPPZ632     MOTIENT COMMUNICATIONS INC.               TROY                              NY
    855.8375          WPQA897     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    855.8375          WPQA898     MOTIENT COMMUNICATIONS INC.               NEPTUNE                           NJ
    855.8375          WPQB300     MOTIENT COMMUNICATIONS INC.               HOWELL                            NJ
    855.8375          WPQB422     MOTIENT COMMUNICATIONS INC.               RICHMOND                          VA
    855.8375          WPQB795     MOTIENT COMMUNICATIONS INC.               MILLSTONE                         NJ
    855.8375          WPQD655     MOTIENT COMMUNICATIONS INC.               FRANKLIN                          TN
    855.8375          WPQD661     MOTIENT COMMUNICATIONS INC.               BRIDGEPORT                        CT
    855.8375          WPQD662     MOTIENT COMMUNICATIONS INC.               RANDOLPH TWNSHP                   NJ
    855.8375          WPQD667     MOTIENT COMMUNICATIONS INC.               FORT LEE                          NJ
    855.8375          WPQD671     MOTIENT COMMUNICATIONS INC.               HOLMDEL                           NJ
    855.8375          WPQD677     MOTIENT COMMUNICATIONS INC.               UNION CITY                        NJ

</TABLE>
                                      C-24
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WPQD678     MOTIENT COMMUNICATIONS INC.               LAUGHLIN                          NV
    855.8375          WPQD681     MOTIENT COMMUNICATIONS INC.               WINCHESTER                        VA
    855.8375          WPQD682     MOTIENT COMMUNICATIONS INC.               HAUPPAUGE                         NY
    855.8375          WPQD683     MOTIENT COMMUNICATIONS INC.               ST. AUGUSTINE                     FL
    855.8375          WPQD686     MOTIENT COMMUNICATIONS INC.               PEARL RIVER                       NY
    855.8375          WPQD687     MOTIENT COMMUNICATIONS INC.               PARAMUS                           NJ
    855.8375          WPQE396     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    855.8375          WPQK753     MOTIENT COMMUNICATIONS INC.               WESTPORT                          CT
    855.8375          WPSD770     MOTIENT COMMUNICATIONS INC.               FAIRFIELD                         CT
    855.8375          WPSE857     MOTIENT COMMUNICATIONS INC.               NORWALK                           CT
    855.8375          WPSE861     MOTIENT COMMUNICATIONS INC.               NORTH BERGEN                      NJ
    855.8375          WPSE862     MOTIENT COMMUNICATIONS INC.               SAVANNAH                          GA
    855.8375          WPSE863     MOTIENT COMMUNICATIONS INC.               MEMPHIS                           TN
    855.8375          WPSE864     MOTIENT COMMUNICATIONS INC.               OSHKOSH                           WI
    855.8375          WPSE868     MOTIENT COMMUNICATIONS INC.               FLAGSTAFF                         AZ
    855.8375          WPSE947     MOTIENT COMMUNICATIONS INC.               MAMARONECK                        NY
    855.8375          WPSE953     MOTIENT COMMUNICATIONS INC.               GETTYSBURG                        PA
    855.8375          WPSE954     MOTIENT COMMUNICATIONS INC.               VISALIA                           CA
    855.8375          WPSE970     MOTIENT COMMUNICATIONS INC.               OKLAHOMA CITY                     OK
    855.8375          WPSE972     MOTIENT COMMUNICATIONS INC.               MORRISTOWN                        TN
    855.8375          WPSE977     MOTIENT COMMUNICATIONS INC.               NEW IBERIA                        LA
    855.8375          WPSE980     MOTIENT COMMUNICATIONS INC.               LAKE CHARLES                      LA
    855.8375          WPSE981     MOTIENT COMMUNICATIONS INC.               METAIRIE                          LA
    855.8375          WPSE982     MOTIENT COMMUNICATIONS INC.               LEESBURG                          FL
    855.8375          WPSE983     MOTIENT COMMUNICATIONS INC.               MISSOULA                          MT
    855.8375          WPSE984     MOTIENT COMMUNICATIONS INC.               BROOKLYN                          NY
    855.8375          WPSI383     MOTIENT COMMUNICATIONS INC.               RAMSEY                            NJ
    855.8375          WPSI508     MOTIENT COMMUNICATIONS INC.               VALDOSTA                          GA
    855.8375          WPSI887     MOTIENT COMMUNICATIONS INC.               WEST ORANGE                       NJ
    855.8375          WPSI894     MOTIENT COMMUNICATIONS INC.               SAINT CLOUD                       MN
    855.8375          WPSI906     MOTIENT COMMUNICATIONS INC.               PLAINFIELD                        NJ
    855.8375          WPSI922     MOTIENT COMMUNICATIONS INC.               FORT PIERCE                       FL
    855.8375          WPSI923     MOTIENT COMMUNICATIONS INC.               SUMTER                            SC
    855.8375          WPSI927     MOTIENT COMMUNICATIONS INC.               HARRISBURG                        PA
    855.8375          WPSI934     MOTIENT COMMUNICATIONS INC.               CHICO                             CA
    855.8375          WPSI935     MOTIENT COMMUNICATIONS INC.               YUBA CITY                         CA
    855.8375          WPSI940     MOTIENT COMMUNICATIONS INC.               MOUNT KISCO                       NY
    855.8375          WPSI981     MOTIENT COMMUNICATIONS INC.               ENID                              OK
    855.8375          WPSI985     MOTIENT COMMUNICATIONS INC.               ELIZABETH                         NJ
    855.8375          WPSM656     MOTIENT COMMUNICATIONS INC.               PARSIPPANY                        NJ
    855.8375          WPSM659     MOTIENT COMMUNICATIONS INC.               FAIRDALE                          KY
    855.8375          WPSR739     MOTIENT COMMUNICATIONS INC.               CARLISLE                          PA
    855.8375          WPSR886     MOTIENT COMMUNICATIONS INC.               YORK                              PA
    855.8375          WPSR888     MOTIENT COMMUNICATIONS INC.               SHELBY                            NC
    855.8375          WPTB947     MOTIENT COMMUNICATIONS INC.               WHITE PLAINS                      NY
    855.8375          WPTB953     MOTIENT COMMUNICATIONS INC.               KENNER                            LA
    855.8375          WPTB973     MOTIENT COMMUNICATIONS INC.               EAST NORTHPORT                    NY
    855.8375          WPTB978     MOTIENT COMMUNICATIONS INC.               MACON                             GA

</TABLE>
                                      C-25
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    855.8375          WPTB979     MOTIENT COMMUNICATIONS INC.               APOPKA                            FL
    855.8375          WPTB986     MOTIENT COMMUNICATIONS INC.               BRUNSWICK                         GA
    855.8375          WPTD399     MOTIENT COMMUNICATIONS INC.               VERONA                            NJ
    855.8375          WPTK692     MOTIENT COMMUNICATIONS INC.               WALDORF                           MD
    855.8375          WPTK959     MOTIENT COMMUNICATIONS INC.               COOKEVILLE                        TN
    855.8375          WPTK961     MOTIENT COMMUNICATIONS INC.               TUCKER                            GA
    855.8375          WPTK963     MOTIENT COMMUNICATIONS INC.               NOYACK                            NY
    855.8375          WPTL235     MOTIENT COMMUNICATIONS INC.               EUGENE                            OR
    855.8375          WPTL245     MOTIENT COMMUNICATIONS INC.               NEW YORK                          NY
    855.8375          WPTL249     MOTIENT COMMUNICATIONS INC.               PLEASANT PRAIRIE                  WI
    855.8375          WPTL353     MOTIENT COMMUNICATIONS INC.               JAMESPORT                         NY
    855.8375          WPTL355     MOTIENT COMMUNICATIONS INC.               LOUISVILLE                        KY
    855.8375          WPTL359     MOTIENT COMMUNICATIONS INC.               OWINGS MILLS                      MD
    855.8375          WPUI515     MOTIENT COMMUNICATIONS INC.               DEL VALLE                         TX
    855.8375          WPWP571     MOTIENT COMMUNICATIONS INC.               MAULDIN                           SC
    855.8375          WPWP577     MOTIENT COMMUNICATIONS INC.               ARMONK                            NY
    855.8375          WPWP580     MOTIENT COMMUNICATIONS INC.               CONWAY                            SC
    855.8375          WPWP582     MOTIENT COMMUNICATIONS INC.               MAHWAH                            NJ
    855.8375          WPWP583     MOTIENT COMMUNICATIONS INC.               COLORADO SPRINGS                  CO
    855.8375          WPWW536     MOTIENT COMMUNICATIONS INC.               MACON                             GA
    855.8375          WPWW547     MOTIENT COMMUNICATIONS INC.               MCKINNEY                          TX
    855.8375          WPXK770     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WPYL379     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WPXK770     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          KNEM323     MOTIENT COMMUNICATIONS INC.               WASHINGTON                        DC
    855.8375          WNSC906     MOTIENT COMMUNICATIONS INC.               TORRANCE                          CA
    855.8375          WPSD770     MOTIENT COMMUNICATIONS INC.               LA HABRA                          CA
    855.8375          WNMA266     MOTIENT COMMUNICATIONS INC.               LOS ANGELES                       CA
    855.8375          WPPH367     MOTIENT COMMUNICATIONS INC.               PLANT CITY                        FL
    855.8375          WPTK697     MOTIENT COMMUNICATIONS INC.               MARLBOROUGH                       MA
    855.8375          WPSG651     MOTIENT COMMUNICATIONS INC.               LYNN                              MA
    855.8375          KNEM282     MOTIENT COMMUNICATIONS INC.               SAN ANTONIO                       TX
    856.5250          KNEM282     MOTIENT COMMUNICATIONS INC.               MIAMI                             FL
    856.6000          KNEM282     MOTIENT COMMUNICATIONS INC.               EL PASO                           TX
    856.6500          KNEM282     MOTIENT COMMUNICATIONS INC.               HIDALGO                           TX
    856.6500          KNEM320     MOTIENT COMMUNICATIONS INC.               EL PASO                           TX
    856.6500          KNEM320     MOTIENT COMMUNICATIONS INC.               EL PASO                           TX
    856.6500          KNEM320     MOTIENT COMMUNICATIONS INC.               LAS CRUCES                        NM
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               TUCSON                            AZ
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               TUCSON                            AZ
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               TUCSON                            AZ
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    856.6500          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    856.6500          WNBZ610     MOTIENT COMMUNICATIONS INC.               VISTA                             CA
    856.6500          WNLR792     MOTIENT COMMUNICATIONS INC.               BROWNSVILLE                       TX
    856.6500          WNMT789     MOTIENT COMMUNICATIONS INC.               MCALLEN                           TX
    856.6500          WNPP430     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA

</TABLE>
                                      C-26
<PAGE>
<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    856.6500          KNEM340     MOTIENT COMMUNICATIONS INC.               OCEANSIDE                         CA
    856.7875          WNKH532     MOTIENT COMMUNICATIONS INC.               OAK LAWN                          IL
    856.7875          WNKH533     MOTIENT COMMUNICATIONS INC.               CALUMET CITY                      IL
    856.7875          WNKH534     MOTIENT COMMUNICATIONS INC.               GENEVA                            IL
    856.7875          WNKH535     MOTIENT COMMUNICATIONS INC.               WHEATON                           IL
    856.7875          WNKH536     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    856.7875          WNKH537     MOTIENT COMMUNICATIONS INC.               OAK PARK                          IL
    856.7875          WPIM691     MOTIENT COMMUNICATIONS INC.               EAST CHICAGO                      IN
    856.7875          WPIM716     MOTIENT COMMUNICATIONS INC.               ORLAND TOWNSHIP                   IL
    856.7875          WPNY417     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    856.7875          WPPX550     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    856.7875          WPPZ630     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    856.7875          WPQK788     MOTIENT COMMUNICATIONS INC.               HOFFMAN ESTATES                   IL
    856.7875          WPSE950     MOTIENT COMMUNICATIONS INC.               DOWNERS GROVE                     IL
    856.7875          WPSM560     MOTIENT COMMUNICATIONS INC.               BUFFALO GROVE                     IL
    856.7875          WPVI773     MOTIENT COMMUNICATIONS INC.               ROSEMONT                          IL
    856.7875          WPSE950     MOTIENT COMMUNICATIONS INC.               CHICAGO                           IL
    856.7875          WPSM560     MOTIENT COMMUNICATIONS INC.               HAMMOND                           IN
    856.7875          WPVI773     MOTIENT COMMUNICATIONS INC.               WARREN TOWNSHIP                   IL
    856.8125          WPTB950     MOTIENT COMMUNICATIONS INC.               WICHITA                           KS
    856.8875          KNEM312     MOTIENT COMMUNICATIONS INC.               WICHITA                           KS
    856.9125          KNEM312     MOTIENT COMMUNICATIONS INC.               DENVER                            CO
    856.9125          WPID470     MOTIENT COMMUNICATIONS INC.               ENGLEWOOD                         CO
    856.9125          WPID470     MOTIENT COMMUNICATIONS INC.               AURORA                            CO
    856.9125          WPII526     MOTIENT COMMUNICATIONS INC.               DENVER                            CO
    856.9125          WPQA847     MOTIENT COMMUNICATIONS INC.               DENVER                            CO
    856.9125          WPPZ844     MOTIENT COMMUNICATIONS INC.               BOULDER                           CO
    856.9125          WPPW980     MOTIENT COMMUNICATIONS INC.               BOULDER                           CO
    857.5250          WPPW981     MOTIENT COMMUNICATIONS INC.               BOULDER                           CO
    857.8375          WPPW982     MOTIENT COMMUNICATIONS INC.               EL PASO                           TX
    857.8375          WPPZ846     MOTIENT COMMUNICATIONS INC.               MIDLOTHIAN                        VA
    857.8375          WPQK732     MOTIENT COMMUNICATIONS INC.               RICHMOND                          VA
    857.8375          WPPZ845     MOTIENT COMMUNICATIONS INC.               RICHMOND                          VA
    857.8375          WPQK794     MOTIENT COMMUNICATIONS INC.               CHESTER                           VA
    857.8375          WPHU566     MOTIENT COMMUNICATIONS INC.               RICHMOND                          VA
    857.8875          WPHU566     MOTIENT COMMUNICATIONS INC.               BAKERSFIELD                       CA
    858.4750          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          KNEM321     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          WNLR792     MOTIENT COMMUNICATIONS INC.               VISTA                             CA
    858.4750          WNLR792     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          WPSD781     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          WPSD781     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.4750          WNQQ748     MOTIENT COMMUNICATIONS INC.               OCEANSIDE                         CA
    858.4750          WNQQ748     MOTIENT COMMUNICATIONS INC.               SAN MARCOS                        CA
    858.5750          KNEM329     MOTIENT COMMUNICATIONS INC.               SAN DIEGO                         CA
    858.8375          WNPF453     MOTIENT COMMUNICATIONS INC.               OLATHE                            MO
    858.8375          WNVG215     MOTIENT COMMUNICATIONS INC.               HAYWARD                           CA

</TABLE>
                                      C-27
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    858.8375          WPSE995     MOTIENT COMMUNICATIONS INC.               HAYWARD                           CA
    858.8375          WPTK786     MOTIENT COMMUNICATIONS INC.               NOVATO                            CA
    858.8375          WPTL391     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    858.8375          WPTL392     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    858.8375          WPTN892     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    858.8375          WPTK786     MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    858.8375          WPTK801     MOTIENT COMMUNICATIONS INC.               MILL VALLEY                       CA
    858.8625          WPII699     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    858.8625          WPQD673     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    858.8625          WPSM710     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    858.8625          WPTK697     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    858.8625          KNEM306     MOTIENT COMMUNICATIONS INC.               CHARLOTTE                         NC
    858.8875          WNNU601     MOTIENT COMMUNICATIONS INC.               OVERLAND PARK                     KS
    858.8875          WPII862     MOTIENT COMMUNICATIONS INC.               KANSAS CITY                       MO
    858.8875          WPPG814     MOTIENT COMMUNICATIONS INC.               INDEPENDENCE                      MO
    858.8875          WNAY586     MOTIENT COMMUNICATIONS INC.               KANSAS CITY                       MO
    858.9125          WPIZ374     MOTIENT COMMUNICATIONS INC.               GLADSTONE                         MO
    859.6500          KNGY776     MOTIENT COMMUNICATIONS INC.               FORT MYERS                        FL
    859.8375          KNEM341     MOTIENT COMMUNICATIONS INC.               PEKIN                             IL
    859.8875          WPSI670     MOTIENT COMMUNICATIONS INC.               SALT LAKE CITY                    UT
    860.8375          WPTE230     MOTIENT COMMUNICATIONS INC.               ATLANTA                           GA
    860.8375          WPQK769     MOTIENT COMMUNICATIONS INC.               ROTTERDAM                         NY
    860.8625          WPQK779     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    860.8625          WPQK780     MOTIENT COMMUNICATIONS INC.               DUBLIN                            OH
    860.8625          WPQK781     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    860.8625          WPQK783     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    860.8625          WPQK787     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    860.8625          WPQK791     MOTIENT COMMUNICATIONS INC.               WESTERVILLE                       OH
    860.8625          WPRJ495     MOTIENT COMMUNICATIONS INC.               COLUMBUS                          OH
    860.9125          WPRJ496     MOTIENT COMMUNICATIONS INC.               REYNOLDSBURG                      OH
    860.9125          WPTL679     MOTIENT COMMUNICATIONS INC.               AVONDALE                          LA
    860.9125          WPTL679     MOTIENT COMMUNICATIONS INC.               NEW ORLEANS                       LA
    861.2875          KNEP576     MOTIENT COMMUNICATIONS INC.               NEW ORLEANS                       LA
    863.0875          WNML822     MOTIENT COMMUNICATIONS INC.               CHESTERLAND                       OH
    863.0875          WNML823     MOTIENT COMMUNICATIONS INC.               CLEVELAND                         OH
    863.0875          WPII870     MOTIENT COMMUNICATIONS INC.               RICHFIELD                         OH
    863.0875          WPSI671     MOTIENT COMMUNICATIONS INC.               ELYRIA                            OH
    863.0875          KNEM360     MOTIENT COMMUNICATIONS INC.               ELYRIA                            OH
    863.2875          KNEM361     MOTIENT COMMUNICATIONS INC.               ISSAQUAH                          WA
    863.2875          WNPE204     MOTIENT COMMUNICATIONS INC.               KENT                              WA
    863.2875          WPIP762     MOTIENT COMMUNICATIONS INC.               BREMERTON                         WA
    863.2875          WPSM582     MOTIENT COMMUNICATIONS INC.               LYNNWOOD                          WA
    863.2875          WPSM704     MOTIENT COMMUNICATIONS INC.               BOTHELL                           WA
    863.2875          WPSR731     MOTIENT COMMUNICATIONS INC.               EVERETT                           WA
    863.2875          WPSR883     MOTIENT COMMUNICATIONS INC.               EVERETT                           WA
    863.2875          WPSR963     MOTIENT COMMUNICATIONS INC.               FEDERAL WAY                       WA
    863.7625          WPED591     MOTIENT COMMUNICATIONS INC.               GRAND ISLAND                      NY
    863.7625          WNSK636     MOTIENT COMMUNICATIONS INC.               TONAWANDA                         NY

</TABLE>
                                      C-28
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    863.7625          KNER461     MOTIENT COMMUNICATIONS INC.               WILLIAMSVILLE                     NY
    863.7875          WPIQ756     MOTIENT COMMUNICATIONS INC.               BUFFALO                           NY
    863.8875          KNER461     MOTIENT COMMUNICATIONS INC.               ISSAQUAH                          WA
    863.9125          KNER461     MOTIENT COMMUNICATIONS INC.               BUFFALO                           NY
    863.9125          WPRM425     MOTIENT COMMUNICATIONS INC.               GRAND ISLAND                      NY
    864.2875          WNVU216     MOTIENT COMMUNICATIONS INC.               WILLIAMSVILLE                     NY
    864.3875          WPIQ760     MOTIENT COMMUNICATIONS INC.               SYRACUSE                          NY
    864.7125          WPLV773     MOTIENT COMMUNICATIONS INC.               YOUNGSTOWN                        OH
    864.7125          WPQA314     MOTIENT COMMUNICATIONS INC.               ROCHESTER                         NY
    864.7125          WPQA557     MOTIENT COMMUNICATIONS INC.               ROCHESTER                         NY
    864.7125          WPQA314     MOTIENT COMMUNICATIONS INC.               VICTOR                            NY
    864.7125          WPQK748     MOTIENT COMMUNICATIONS INC.               ONTARIO                           NY
    865.2375          WPTM894     MOTIENT COMMUNICATIONS INC.               TOLEDO                            OH
    865.2375          KNDN330     MOTIENT COMMUNICATIONS INC.               PERRYSBURG                        OH
    865.2625          KNDN405     MOTIENT COMMUNICATIONS INC.               ROCHESTER                         NY
    865.2625          KNEM360     MOTIENT COMMUNICATIONS INC.               WEBSTER                           NY
    865.2625          KNEM361     MOTIENT COMMUNICATIONS INC.               ISSAQUAH                          WA
    865.2625          KNEP537     MOTIENT COMMUNICATIONS INC.               KENT                              WA
    865.2625          KNEP540     MOTIENT COMMUNICATIONS INC.               SEATTLE                           WA
    865.2625          KNEP564     MOTIENT COMMUNICATIONS INC.               GRAND FORKS                       ND
    865.2625          KNEP568     MOTIENT COMMUNICATIONS INC.               ESSEX JUNCTION                    VT
    865.2625          KNEP569     MOTIENT COMMUNICATIONS INC.               BURLINGTON                        VT
    865.2625          KNEP571     MOTIENT COMMUNICATIONS INC.               ERIE                              PA
    865.2625          KNEP575     MOTIENT COMMUNICATIONS INC.               ANN ARBOR                         MI
    865.2625          KNEP576     MOTIENT COMMUNICATIONS INC.               ANN ARBOR                         MI
    865.2625          KNEP577     MOTIENT COMMUNICATIONS INC.               WARRENSVILLE                      OH
    865.2625          KNEP578     MOTIENT COMMUNICATIONS INC.               AKRON                             OH
    865.2625          KNEP579     MOTIENT COMMUNICATIONS INC.               MASURY                            OH
    865.2625          KNEP599     MOTIENT COMMUNICATIONS INC.               YOUNGSTOWN                        OH
    865.2625          KNER536     MOTIENT COMMUNICATIONS INC.               WOOSTER                           OH
    865.2625          KNJH449     MOTIENT COMMUNICATIONS INC.               ROME                              NY
    865.2625          WNHX746     MOTIENT COMMUNICATIONS INC.               OLYMPIA                           WA
    865.2625          WNMA267     MOTIENT COMMUNICATIONS INC.               PONTIAC                           MI
    865.2625          WNMA268     MOTIENT COMMUNICATIONS INC.               UTICA                             MI
    865.2625          WNNL336     MOTIENT COMMUNICATIONS INC.               CLINTON TOWNSHIP                  MI
    865.2625          WNNS433     MOTIENT COMMUNICATIONS INC.               CLARKSTON                         MI
    865.2625          WNNW544     MOTIENT COMMUNICATIONS INC.               TAYLOR                            MI
    865.2625          WNPE204     MOTIENT COMMUNICATIONS INC.               FRANKLIN                          PA
    865.2625          WNPF470     MOTIENT COMMUNICATIONS INC.               BREMERTON                         WA
    865.2625          WNZP828     MOTIENT COMMUNICATIONS INC.               LYNNWOOD                          WA
    865.2625          WPPZ633     MOTIENT COMMUNICATIONS INC.               BOTHELL                           WA
    865.2625          WNML822     MOTIENT COMMUNICATIONS INC.               MONTPELIER                        VT
    865.2625          WNML823     MOTIENT COMMUNICATIONS INC.               CLEVELAND                         OH
    865.2625          WPPC280     MOTIENT COMMUNICATIONS INC.               RICHFIELD                         OH
    865.2625          WPPZ633     MOTIENT COMMUNICATIONS INC.               ELYRIA                            OH
    865.2625          KNDN330     MOTIENT COMMUNICATIONS INC.               WICKLIFFE                         OH
    865.2875          WPQK763     MOTIENT COMMUNICATIONS INC.               DETROIT                           MI
    865.2875          WPQK765     MOTIENT COMMUNICATIONS INC.               DETROIT                           MI

</TABLE>
                                      C-29
<PAGE>

<TABLE>
<S>                   <C>         <C>                                       <C>                               <C>
    865.2875          WPQK766     MOTIENT COMMUNICATIONS INC.               DEARBORN                          MI
    865.2875          WPQK767     MOTIENT COMMUNICATIONS INC.               NOVI                              MI
    865.2875          WPSD777     MOTIENT COMMUNICATIONS INC.               SOUTHFIELD                        MI
    865.2875          WPSE247     MOTIENT COMMUNICATIONS INC.               WARREN                            MI
    865.2875          WPSE251     MOTIENT COMMUNICATIONS INC.               CLINTON TWNSHP                    MI
    865.2875          WPSE258     MOTIENT COMMUNICATIONS INC.               CLAWSON                           MI
    865.2875          WPSI918     MOTIENT COMMUNICATIONS INC.               ROYAL OAK                         MI
    865.2875          WPSE251     MOTIENT COMMUNICATIONS INC.               FARMINGTON HILLS                  MI
    855.8375        0001596908    MOTIENT COMMUNICATIONS INC.               ROCK HILL                         SC
    855.8375        0001596910    MOTIENT COMMUNICATIONS INC.               TEMPLE TERRACE                    FL
    855.8375        0001596924    MOTIENT COMMUNICATIONS INC.               VALLEJO                           CA
    855.8375        0001596926    MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    855.8375        0001596928    MOTIENT COMMUNICATIONS INC.               SAN FRANCISCO                     CA
    855.8375        0001596933    MOTIENT COMMUNICATIONS INC.               BURLINGAME                        CA
    855.8375        0001596934    MOTIENT COMMUNICATIONS INC.               TEWKSBURY                         MA
    855.8375        0001596935    MOTIENT COMMUNICATIONS INC.               UNION CITY                        CA
    855.8375        0001596936    MOTIENT COMMUNICATIONS INC.               LOWELL                            MA
    855.8375        0001598875    MOTIENT COMMUNICATIONS INC.               ROCKLAND                          MA
    855.8375        0001598877    MOTIENT COMMUNICATIONS INC.               FRAMINGHAM                        MA
    855.8375        0001633085    MOTIENT COMMUNICATIONS INC.               SAN LUIS OBISPO                   CA

</TABLE>

                                      C-30<PAGE>

                                                                   EXHIBIT 10.34

                                                                  Execution Copy

THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE UNITED STATES SECURITIES AND
EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE. THESE SECURITIES
MAY NOT BE SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT OR AN
EXEMPTION FROM REGISTRATION UNDER REGULATION D PROMULGATED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED (THE "SECURITIES ACT") OR OTHERWISE. THIS WARRANT SHALL
NOT CONSTITUTE AN OFFER TO SELL NOR A SOLICITATION OF AN OFFER TO BUY THE
SECURITIES IN ANY JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION WOULD BE
UNLAWFUL. THE SECURITIES ARE "RESTRICTED" AND MAY NOT BE RESOLD OR TRANSFERRED
EXCEPT AS PERMITTED UNDER THE ACT PURSUANT TO REGISTRATION OR EXEMPTION
THEREFROM.

                          COMMON STOCK PURCHASE WARRANT

No. W-1

     To Purchase Shares of $0.01 Par Value Common Stock ("Common Stock") of

                               MOTIENT CORPORATION

     THIS CERTIFIES that, for value received, M&E Advisors, L.L.C., a Delaware
limited liability company, in its capacity as Administrative Agent and
Collateral Agent (the "Administrative Agent and Collateral Agent") under that
certain Amended and Restated Term Credit Agreement, dated as of January 27,
2003, as amended by Amendment No. 1 thereto (as so amended, the "Credit
Agreement") is entitled, upon the terms and subject to the conditions
hereinafter set forth, to subscribe for and purchase from Motient Corporation, a
Delaware corporation (the "Company"), 2,000,000 shares of Common Stock of the
Company (the "Warrant Shares"); provided, however, that the number of Warrant
Shares shall be reduced to 1,000,000 shares of Common Stock of the Company if
(but only if) after the date hereof but before the date that is 60 calendar days
after the date hereof the Company and/or its wholly owned subsidiaries receive
an aggregate of at least $7,500,000 of debt or equity financing from sources
other than the lenders under the Credit Agreement. The "Exercise Price" is
$4.88. The Exercise Price and the number of shares for which the Warrant is
exercisable shall be subject to adjustment as provided herein. This Warrant is
being issued in connection with Amendment No. 1 to the Credit Agreement. The
Administrative Agent and Collateral Agent holds this Warrant for the
proportionate benefit of the lenders under the Credit Agreement and shall
distribute any shares of Common Stock issued upon exercise of this Warrant to
such lenders pro rata on the basis of their respective percentage interests in
the principal amount of indebtedness outstanding under the Credit Agreement at
the time of exercise.

     Section 1. Title of Warrant. Prior to the expiration hereof and subject to
compliance with applicable laws, this Warrant and all rights hereunder are
transferable, in whole or in respect of the right to purchase any part of the
Warrant Shares, at the office or agency of the Company by the holder hereof in
person or by such holder's duly authorized agent, upon surrender of this Warrant
together with (i) the Assignment Form annexed hereto properly endorsed, and (ii)
any other documentation reasonably necessary to satisfy the Company that such
transfer is in compliance with all applicable securities laws.

                                       1
<PAGE>

     Section 2. Authorization of Shares. The Company covenants that all shares
of Common Stock which may be issued upon the exercise of the rights represented
by this Warrant will, upon exercise of the rights represented by this Warrant
and payment of the Exercise Price as set forth herein, be duly authorized,
validly issued, fully paid and nonassessable and free from all taxes, liens and
charges in respect of the issue thereof (other than taxes in respect of any
transfer occurring contemporaneously with such issue or otherwise specified
herein). The Company further covenants that (x) during the period this Warrant
is outstanding and exercisable, it will reserve from its authorized and unissued
Common Stock a sufficient number of shares to provide for the issuance of the
Warrant Shares upon the exercise of any purchase rights under this Warrant and
(y) its issuance of this Warrant shall constitute the grant of full authority to
its officers who are charged with the duty of executing stock certificates to
execute and issue the necessary certificates for the Warrant Shares upon the
exercise of the purchase rights under this Warrant. The Company will take all
such reasonable action as may be necessary to assure that such Warrant Shares
may be issued as provided herein without violation of any applicable law or
regulation, or of any requirements of any domestic securities exchange upon
which the Common Stock may be listed.

     Section 3. Exercise of Warrant. Exercise of the purchase rights represented
by this Warrant may be made at any time or times after the date hereof by the
delivery by facsimile or overnight courier of the Notice of Exercise annexed
hereto duly completed and executed, to be followed within one (1) full business
day by the surrender of this Warrant at the principal office of the Company (or
such other office or agency of the Company as it may designate by notice in
writing to the registered holder hereof at the address of such holder appearing
on the books of the Company), together with delivery to the Company by such
holder of all certifications or documentation reasonably necessary to establish,
to the reasonable satisfaction of the Company, that any such exercise has been
undertaken in compliance with all applicable federal and state securities laws,
and upon payment of the full Exercise Price of the shares thereby purchased;
whereupon the holder of this Warrant shall be entitled to receive a certificate
for the number of shares of Common Stock so purchased. The exercise will be
deemed to have occurred as of the date contained in the Notice of Exercise.
Certificates for shares purchased hereunder shall be delivered to the holder
hereof within three (3) business days after the date on which this Warrant shall
have been exercised as aforesaid. Payment of the Exercise Price of the shares
shall be by certified check or cashier's check or by wire transfer (of same day
funds) to an account designated by the Company in an amount equal to the
Exercise Price multiplied by the number of shares being purchased.

     Section 4. Registration Rights Agreement. Any holder of this Warrant
electing to exercise this Warrant for shares of Common Stock will be deemed to
be a party to that certain Registration Rights Agreement, dated as of the date
hereof (the "Registration Rights Agreement"), between the Company and the
Administrative Agent and Collateral Agent. The Company will provide copies of
the Registration Rights Agreement, free of charge, to any party who delivers a
written request therefor to: Motient Corporation, 300 Knightsbridge Parkway,
Lincolnshire, Illinois 60069, Attention: Secretary.

     Section 5. No Fractional Shares or Scrip. No fractional shares or scrip
representing fractional shares shall be issued upon the exercise of this
Warrant.

                                       2
<PAGE>

     Section 6. Charges, Taxes and Expenses. Issuance of certificates for shares
of Common Stock upon the exercise of this Warrant shall be made without charge
to the holder hereof for any issue or transfer tax or other incidental expense
in respect of the issuance of such certificate, all of which taxes and expenses
shall be paid by the Company, and such certificates shall be issued in the name
of the holder of this Warrant or in such name or names as may be directed by the
holder of this Warrant; provided, however, that in the event certificates for
shares of Common Stock are to be issued in a name other than the name of the
holder of this Warrant, this Warrant when surrendered for exercise shall be
accompanied by the Assignment Form attached hereto duly executed by the holder
hereof; and provided further, that the Company shall not be required to pay any
tax or taxes which may be payable in respect of any transfer involved in the
issuance of any Warrant certificates or any certificates for the Warrant Shares
other than the issuance of a Warrant certificate to the Investor in connection
with the Investor's surrender of a Warrant certificate upon the exercise of less
than all of the Warrants evidenced thereby, and the Company shall not be
required to issue or deliver such certificates unless or until the person or
persons requesting the issuance thereof shall have paid to the Company the
amount of such tax or shall have established to the satisfaction of the Company
that such tax has been paid.

     Section 7. Closing of Books. The Company will at no time close its
stockholder books or records in any manner which interferes with the timely
exercise of this Warrant.

     Section 8. No Rights as Stockholder Until Exercise. Subject to the
provisions of any other written agreement between the Company and the
Administrative Agent and Collateral Agent, the Administrative Agent and
Collateral Agent shall not be entitled to vote or receive dividends or be deemed
the holder of Warrant Shares or any other securities of the Company that may at
any time be issuable on the exercise hereof for any purpose, nor shall anything
contained herein be construed to confer upon the Administrative Agent and
Collateral Agent, as such, any of the rights of a stockholder of the Company or
any right to vote for the election of directors or upon any matter submitted to
stockholders at any meeting thereof, or to give or withhold consent to any
corporate action (whether upon any recapitalization, issuance of stock,
reclassification of stock, change of par value, or change of stock to no par
value, consolidation, merger, conveyance or otherwise) or to receive notice of
meetings, or to receive dividends or subscription rights or otherwise until the
Warrant shall have been exercised as provided herein. However, at the time of
the exercise of this Warrant pursuant to Section 3 hereof, the Warrant Shares so
purchased hereunder shall be deemed to be issued to such holder as the record
owner of such shares as of the close of business on the date on which this
Warrant shall have been exercised.

     Section 9. Assignment and Transfer of Warrant. This Warrant may be assigned
in whole or in part by the surrender of this Warrant and the Assignment Form
annexed hereto duly executed at the office of the Company (or such other office
or agency of the Company as it may designate by notice in writing to the
registered holder hereof at the address of such holder appearing on the books of
the Company); provided, however, that this Warrant may not be resold or
otherwise transferred except (i) in a transaction registered under the
Securities Act, (ii) a sale in compliance with Rule 144 promulgated under the
Securities Act, or (iii) in a transaction pursuant to an exemption, if
available, from registration under the Securities Act and whereby, if requested
by the Company, an opinion of counsel reasonably satisfactory to the Company is
obtained by the holder of this Warrant to the effect that the transaction is so
exempt; provided, however, that no such opinion of counsel shall be required for
an assignment to a lender under the Credit Agreement or an affiliate of the
Administrative Agent and Collateral Agent.

                                       3
<PAGE>

     Section 10. Loss, Theft, Destruction or Mutilation of Warrant. The Company
represents warrants and covenants that (i) upon receipt by the Company of
evidence reasonably satisfactory to it of the loss, theft, destruction or
mutilation of any Warrant or stock certificate representing the Warrant Shares,
and in case of loss, theft or destruction, of indemnity reasonably satisfactory
to it, and (ii) upon surrender and cancellation of such Warrant or stock
certificate, if mutilated, the Company will make and deliver a new Warrant or
stock certificate of like tenor and dated as of such cancellation, in lieu of
this Warrant or stock certificate, without any charge therefor. This Warrant is
exchangeable at any time for an equal aggregate number of Warrants of different
denominations, as requested by the holder surrendering the same, or in such
denominations as may be requested by the Holder following determination of the
Exercise Price. No service charge will be made for such registration or
transfer, exchange or reissuance.

     Section 11. Saturdays, Sundays, Holidays, Etc. If the last or appointed day
for the taking of any action or the expiration of any right required or granted
herein shall be a Saturday, Sunday or a legal holiday, then such action may be
taken or such right may be exercised on the next succeeding business day.

     Section 12. Effect of Certain Events. If at any time while this Warrant or
any portion thereof is outstanding and unexpired there shall be (i) a sale or
conveyance of all or substantially all of the Company's assets or (ii) a
transaction resulting in a "Change of Control" (as defined below), whether by
merger, consolidation or otherwise (such transaction, a "Sale or Merger
Transaction"), in which the consideration to be received by the Company or its
stockholders consists solely of cash, and in case the Company shall at any time
effect a Sale or Merger Transaction in which the consideration to be received by
the Company or its stockholders consists in part of consideration other than
cash, the holder of this Warrant shall have the right but not the obligation
thereafter to purchase, by exercise of this Warrant and payment of the aggregate
Exercise Price in effect immediately prior to such action, the kind and amount
of shares and other securities and property which it would have owned or have
been entitled to receive after the happening of such transaction had this
Warrant been exercised immediately prior thereto. As used herein, a "Change of
Control" will be deemed to have occurred upon the earliest date at which (i) any
individual or entity that does not own voting securities of the Company as of
the date hereof is or becomes the "beneficial owner" (as defined in Rule 13d-3
under the Securities Exchange Act of 1934, as amended), directly or indirectly,
of securities of the Company representing 20% or more of the combined voting
power of the Company's outstanding voting securities, other than through the
purchase of voting securities directly from the Company through a private
placement; (ii) individuals who constitute the Company's Board of Directors on
the date hereof (the "Incumbent Board") cease for any reason to constitute at
least a majority thereof, provided that any person becoming a director
subsequent to the date hereof whose election, or nomination for election by the
Company's shareholders, was approved by a vote of at least two-thirds of the
directors comprising the Incumbent Board shall from and after such election be
deemed to be a member of the Incumbent Board; (iii) the Company or its
subsidiaries are merged or consolidated with another corporation or entity and
as a result of such merger or consolidation less than a majority of the
outstanding voting securities of the surviving or resulting corporation or
entity shall then be owned by the former stockholders of the Company; (iv) a

                                       4
<PAGE>

tender offer or exchange offer is made and consummated by an individual or
entity other than the Company for the ownership of 20% or more of the voting
securities of the Company then outstanding; or (v) all or substantially all of
the assets of the Company are sold or transferred to an individual or entity as
to which (A) the Incumbent Board does not have authority (whether by law or
contract) to directly control the use or further disposition of such assets and
(B) the financial results of the Company and such individual or entity are not
consolidated for financial reporting purposes.

     Section 13. Subdivisions, Combinations and Other Issuance. If the Company
shall at any time after the date hereof but prior to the expiration of this
Warrant subdivide its outstanding securities as to which purchase rights under
this Warrant exist, by split-up, spin-off, or otherwise, or combine its
outstanding securities as to which purchase rights under this Warrant exist, the
number of Warrant Shares for which this Warrant is exercisable as of the date of
such subdivision, split-up, spin-off or combination shall forthwith be
proportionately increased in the case of a subdivision, or proportionately
decreased in the case of a combination.

     Section 14. Stock Dividend. If at any time after the date hereof the
Company declares a dividend or other distribution on Common Stock payable in
Common Stock or other securities or rights convertible into Common Stock
("Common Stock Equivalents") without payment of any consideration by holders of
Common Stock for the additional shares of Common Stock or the Common Stock
Equivalents (including the additional shares of Common Stock issuable upon
exercise or conversion thereof), then the number of shares of Common Stock for
which this Warrant may be exercise shall be increased as of the record date (or
the date of such dividend distribution if no record date is set) for determining
which holders of Common Stock shall be entitled to receive such dividends, in
proportion to the increase in the number of outstanding shares (and shares of
Common Stock issuable upon conversion of all such securities convertible into
Common Stock) as a result of such dividend.

     Section 15. Merger, etc. If at any time after the date hereof there shall
be a merger or consolidation of the Company with or into or a transfer of all or
substantially all of the assets of the Company to another entity, then the
holder of this Warrant shall be entitled to receive upon or after such transfer,
merger or consolidation becoming effect, and upon payment of the Exercise Price
or delivery of the Surrendered Shares, the number of shares or other securities
or property of the Company or of the successor corporation resulting from such
merger or consolidation, which would have been received by holder of this
Warrant for the shares of stock subject to this Warrant had this Warrant been
exercised just prior to such transfer, merger or consolidation becoming effect
or to the applicable record date hereof, as the case may be. The Company will
not merger or consolidate with or into any other corporation, or sell or
otherwise transfer its property, assets and business substantially as an
entirety to another corporation, unless the corporation resulting from such
merger or consolidation (if not the Company), or such transferee corporation, as
the case may be, shall expressly assume in writing the due and punctual
performance and observance of each and every covenant and condition of this
Warrant to be performed and observed by the Company.

     Section 16. Reclassification, etc. If at any time after the date hereof
there shall be a reorganization or reclassification of the securities as to
which purchase rights under this Warrant exist into the same or a different
number of securities of any other class or classes, then the holder of this
Warrant shall thereafter be entitled to receive upon exercise of this Warrant,

                                       5
<PAGE>

during the period specified herein and upon payment of the Exercise Price, the
number of shares or other securities or property resulting from such
reorganization or reclassification, which would have been received by the holder
of this Warrant for shares of stock subject to this Warrant had this Warrant at
such time been exercised.

     Section 17. Compliance with Securities Laws.

     (a) The holder hereof acknowledges that the Warrant Shares acquired upon
the exercise of this Warrant, if not registered (or if no exemption from
registration exists), will have restrictions upon resale imposed by state and
federal securities laws. Each certificate representing the Warrant Shares issued
to the holder hereof upon exercise (if not registered or if no exemption from
registration exists) will bear a restrictive legend which shall read
substantially as follows:

     "THE SHARES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE
     SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED,
     ASSIGNED, PLEDGED, OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER SUCH
     ACT, OR UNLESS THE COMPANY HAS RECEIVED AN OPINION OF COUNSEL OR OTHER
     EVIDENCE SATISFACTORY TO THE COMPANY AND ITS COUNSEL, THAT SUCH
     REGISTRATION IS NOT REQUIRED.

     (b) Without limiting the Administrative Agent and Collateral Agent's right
to transfer, assign or otherwise convey the Warrant or Warrant Shares in
compliance with all applicable securities laws, the Administrative Agent and
Collateral Agent, by acceptance hereof, acknowledges that this Warrant and the
Warrant Shares to be issued upon exercise hereof are being acquired solely for
the Administrative Agent and Collateral Agent's own account, and that the
Administrative Agent and Collateral Agent will not offer, sell or otherwise
dispose of this Warrant or any Warrant Shares to be issued upon exercise hereof
except under circumstances that will not result in a violation of applicable
federal and state securities laws. Upon exercise of this Warrant, the
Administrative Agent and Collateral Agent shall, if requested by the Company,
confirm in writing, in a form satisfactory to the Company, that the Warrant
Shares of Common Stock so purchased are being acquired solely for the
Administrative Agent and Collateral Agent's own account and not as a nominee for
any other party, for investment, and not with a view toward distribution or
resale.

     (c) Neither this Warrant nor any Share of Common Stock issued upon exercise
of this Warrant may be offered for sale or sold, or otherwise transferred or
sold in any transaction which would constitute a sale thereof within the meaning
of the Securities Act, unless (i) such security has been registered for sale
under the Securities Act and registered or qualified under applicable state
securities laws relating to the offer and sale of securities, or (ii) exemptions
from the registration requirements of the Securities Act and the registration or
qualification requirements of all such state securities laws are available and
the Company shall have received an opinion of counsel that the proposed sale or
other disposition of such securities may be effected without registration under
the Securities Act, such counsel and such opinion to be satisfactory to the
Company.

                                       6
<PAGE>

     (d) The Administrative Agent and Collateral Agent recognizes that investing
in the Warrant and the Warrant Shares involves a high degree of risk, and the
Administrative Agent and Collateral Agent is in a financial position to hold the
Warrant and the Warrant Shares indefinitely and is able to bear the economic
risk and withstand a complete loss of its investment in the Warrant and the
Warrant Shares. The Administrative Agent and Collateral Agent is a sophisticated
investor and is capable of evaluating the merits and risks of investing in the
Company. The Administrative Agent and Collateral Agent has had an opportunity to
discuss the Company's business, management and financial affairs with the
Company's management, has been given full and complete access to information
concerning the Company, and has utilized such access to its satisfaction for the
purpose of obtaining information or verifying information and have had the
opportunity to inspect the Company's operation. The Administrative Agent and
Collateral Agent has had the opportunity to ask questions of, and receive
answers from, the management of the Company (and any person acting on its
behalf) concerning the Warrant and the Warrant Shares and the agreements and
transactions contemplated hereby, and to obtain any additional information as
the Administrative Agent and Collateral Agent may have requested in making its
investment decision. The Administrative Agent and Collateral Agent is, and any
entity to which or individual to whom this Warrant is transferred will be, an
"accredited investor," as defined by Regulation D promulgated under the
Securities Act.

     Section 18. Miscellaneous.

     (a) Choice Of Law; Venue; Jurisdiction. THIS WARRANT AND THE RIGHTS AND
DUTIES OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY, CONSTRUED AND ENFORCED IN
ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO CONTRACTS
EXECUTED AND TO BE PERFORMED ENTIRELY WITHIN THAT STATE. EACH PARTY HERETO
HEREBY CONSENTS TO THE JURISDICTION OF ANY FEDERAL COURT LOCATED WITHIN COOK
COUNTY, ILLINOIS, AND EACH OF THE COMPANY AND THE ADMINISTRATION AGENT AND
COLLATERAL AGENT HEREBY IRREVOCABLY AGREES THAT ALL ACTIONS OR PROCEEDINGS
RELATING TO OR ARISING OUT OF THIS WARRANT OR THE AGREEMENTS RELATED HERETO MAY
BE TRIED AND LITIGATED IN ONE OF THE ABOVE-NAMED COURTS. EACH OF THE COMPANY THE
ADMINISTRATIVE AGENT AND COLLATERAL AGENT HEREBY WAIVES TO THE EXTENT PERMITTED
BY APPLICABLE LAW, AND AGREES NOT TO ASSERT, BY WAY OF MOTION, AS A DEFENSE OR
OTHERWISE, IN ANY SUCH ACTION, SUIT OR PROCEEDING, ANY CLAIM THAT IT IS NOT
SUBJECT TO THE PERSONAL JURISDICTION OF THE ABOVE-NAMED COURTS, THAT IT IS
IMMUNE FROM EXTRATERRITORIAL INJUNCTIVE RELIEF OR OTHER INJUNCTIVE RELIEF, THAT
ITS PROPERTY IS EXEMPT OR IMMUNE FROM ATTACHMENT OR EXECUTION, THAT ANY SUCH
ACTION, SUIT OR PROCEEDING MAY NOT BE BROUGHT OR MAINTAINED IN ONE OF THE
ABOVE-NAMED COURTS ON THE GROUNDS OF FORUM NON CONVENIENS (EXCEPT AS SUCH
DOCTRINE RELATES TO A JUDICIAL DECISION AS TO WHICH OF THE ABOVE-NAMED COURTS
CONSTITUTES THE MOST APPROPRIATE FORUM), SHOULD BE TRANSFERRED TO ANY COURT
OTHER THAN ONE OF THE ABOVE-NAMED COURTS, OR THAT THIS WARRANT OR THE SUBJECT
MATTER HEREOF MAY NOT BE ENFORCED IN OR BY ONE OF THE ABOVE-NAMED COURTS. EACH
OF THE COMPANY AND THE ADMINISTRATIVE AGENT AND COLLATERAL AGENT HEREBY CONSENTS

                                       7
<PAGE>

TO SERVICE OF PROCESS IN ANY SUCH ACTION, SUIT OR PROCEEDING IN ANY MANNER
PERMITTED BY THE LAWS OF THE STATE OF NEW YORK AND HEREBY WAIVES AND AGREES NOT
TO ASSERT BY WAY OF MOTION, AS A DEFENSE OR OTHERWISE, IN ANY SUCH ACTION, SUIT
OR PROCEEDING ANY CLAIM THAT ANY SUCH SERVICE OF PROCESS DOES NOT CONSTITUTE
GOOD AND SUFFICIENT SERVICE OF PROCESS. EACH PARTY HERETO HEREBY WAIVES ITS
RIGHT TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT
OF THIS WARRANT, THE AGREEMENTS RELATED HERETO OR THE SUBJECT MATTER HEREOF OR
THEREOF. THE SCOPE OF THIS WAIVER IS INTENDED TO ENCOMPASS ANY AND ALL DISPUTES
THAT MAY BE FILED IN COURT THAT RELATE TO THIS WARRANT, THE AGREEMENTS RELATED
HERETO OR THE SUBJECT MATTER HEREOF OR THEREOF, INCLUDING WITHOUT LIMITATION
CONTRACT CLAIMS, TORT CLAIMS, BREACH OF DUTY CLAIMS AND ALL OTHER COMMON LAW AND
STATUTORY CLAIMS.

     (b) Modification and Waiver. This Warrant and any provisions hereof may be
changed, waived, discharged or terminated only by an instrument in writing
signed by the party against which enforcement of the same is sought. Any
amendment effected in accordance with this paragraph shall be binding upon the
Administrative Agent and Collateral Agent, each future holder of this Warrant
and the Company. No waivers of, or exceptions to, any term, condition or
provision of this Warrant, in any one or more instances, shall be deemed to be,
or construed as, a further or continuing waiver of any such term, condition or
provision.

     (c) Notices. Any notice, request or other document required or permitted to
be given or delivered to the Administrative Agent and Collateral Agent or future
holders hereof or the Company shall be personally delivered or shall be sent by
certified or registered mail, postage prepaid, to the Administrative Agent and
Collateral Agent or each such holder at its address as shown on the books of the
Company or to the Company at the address set forth in the Agreement. All notices
under this Warrant shall be deemed to have been given when received.

         A party may from time to time change the address to which notices to it
are to be delivered or mailed hereunder by notice in accordance with the
provisions of this Section 14(c).

     (d) Severability. Whenever possible, each provision of this Warrant shall
be interpreted in such manner as to be effective and valid under applicable law,
but if any provision of this Warrant is held to be invalid, illegal or
unenforceable in any respect under any applicable law or rule in any
jurisdiction, such invalidity, illegality or unenforceability shall not affect
the validity, legality or enforceability of any other provision of this Warrant
in such jurisdiction or affect the validity, legality or enforceability of any
provision in any other jurisdiction, but this Warrant shall be reformed,
construed and enforced in such jurisdiction as if such invalid, illegal or
unenforceable provision had never been contained herein.

     (e) No Impairment. The Company will not, by amendment of its Certificate of
Incorporation or through any reorganization, transfer of assets, consolidation,
merger, dissolution, issue or sale of securities or any other voluntary action,
avoid or seek to avoid the observance or performance of any of the terms of this
Warrant, but will at all times in good faith assist in the carrying out of all
such terms and in the taking of all such action as may be necessary or

                                       8
<PAGE>

appropriate in order to protect the rights of the holders of the Warrants
against impairment. Without limiting the generality of the foregoing, the
Company (a) will not increase the par value of any Warrant Shares above the
amount payable therefor on such exercise, and (b) will take all such action as
may be reasonably necessary or appropriate in order that the Company may validly
and legally issue fully paid and nonassessable Warrant Shares on the exercise of
this Warrant.

     Section 19. Incorporation of Terms. All capitalized terms not otherwise
defined in this Warrant shall have the definition set forth in the Agreement.

                                       9
<PAGE>

                                                                  Execution Copy

         IN WITNESS WHEREOF, the Company has caused this WARRANT to be executed
by its officers thereunto duly authorized.

Dated:  March 16, 2004                       MOTIENT CORPORATION

                                             By:  /s/ Christopher Downie
                                             Name:  Christopher Downie
                                             Title:  Chief Financial Officer

               [Signature Page for Common Stock Purchase Warrant]

<PAGE>

                               NOTICE OF EXERCISE

     To:  Secretary                                         MOTIENT CORPORATION
          Motient Corporation
          300 Knightsbridge Parkway
          Lincolnshire, Illinois 60069

     (1)  The undersigned hereby elects to purchase ____________shares of Common
Stock of Motient Corporation, pursuant to the terms of the attached Warrant, and
tenders herewith payment of the Exercise Price in full, together with all
applicable transfer taxes if any.

Please issue a certificate or certificates representing said shares of Common
Stock in the name of the undersigned or in such other name as is specified
below:

          --------------------------------------------------------------
          (Name)

          --------------------------------------------------------------
          (Address)

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

     (2)  Please issue a new Warrant for the unexercised portion of the attached
Warrant in the name of the undersigned or in such other name as is specified
below:

          Other Name:
                     ---------------------------------------------------

-----------------                  -------------------------------------------
(Date)                             (Name)

                                   -------------------------------------------
                                   (Signature)

                                   -------------------------------------------
                                   (Address)

<PAGE>

                                 ASSIGNMENT FORM

                                                             MOTIENT CORPORATION

                    (To assign the foregoing warrant, execute
                   this form and supply required information.
                 Do not use this form to exercise the warrant.)

     FOR VALUED RECEIVED, the foregoing Warrant of MOTIENT CORPORATION and all
rights evidenced thereby are hereby assigned to:

                                                    whose address is
-------------------------------------------------------------------------------

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

----------------------------------------------------------------------.

                                           Dated:              , 20
                                                 -------------------------

         Holder's Signature:
                            ----------------------------------------------------
         Holder's Address:
                           -----------------------------------------------------
Signature Guaranteed By:
                           -----------------------------------------------------
                           Name:

NOTE: The signature to this Assignment Form must correspond with the name as it
appears on the face of the Warrant, without alteration or enlargement or any
change whatsoever, and must be guaranteed by a bank or trust company. Officers
of corporations and those acting in an fiduciary or other representative
capacity should file proper evidence of authority to assign the foregoing
Warrant.

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