WINSTAR COMMUNICATIONS INC
8-K, 1997-12-31
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported)          December 10, 1997
                                                          -----------------


                          WINSTAR COMMUNICATIONS, INC.
               (Exact Name of Registrant as Specified in Charter)



         Delaware                     1-10726                  13-3585278
(State or Other Jurisdiction       (Commission               (IRS Employer
    of Incorporation)              File Number)            Identification No.)




230 Park Avenue, New York, New York                                 10169
(Address of Principal Executive Offices)                          (Zip Code)



Registrant's telephone number, including area code    (212) 584-4000



                                 Not Applicable
          (Former Name or Former Address, if Changed Since Last Report)





                             Exhibit Index -- Page 5

                                Page 1 of 4 Pages


<PAGE>



Item 2.           Acquisition or Disposition of Assets

         Acquisition of Assets of Midcom Communications Inc.

         On December 11, 1997, the Company entered into an agreement (as amended
and  restated on December  17,  1997) with MIDCOM  Communications  Inc.  and its
subsidiaries  (collectively,  "Midcom"),  pursuant to which a subsidiary  of the
Company will  acquire  substantially  all of Midcom's  assets and business for a
purchase  price of  approximately  $92.0  million,  payable in cash (the "Midcom
Acquisition"). The purchase price for the Midcom Acquisition will be paid by the
Company  using a portion  of the net  proceeds  of $168.3  million  raised in an
institutional  private  placement  of the  Company's  Series  C 14  1/4%  Senior
Cumulative  Exchangeable  Preferred Stock, which was consummated on December 22,
1997.

         Midcom is a provider of long distance voice and data telecommunications
services primarily to small and medium-sized businesses at approximately 100,000
customer locations, most of which are in major metropolitan areas of California,
Florida,  Illinois,  New York, Ohio and Washington.  Midcom's  services  include
basic "1 plus" and "800"  long  distance,  frame  relay  data  transmission  and
dedicated  private  line.  As reflected in the reports  filed by Midcom with the
Securities and Exchange  Commission  under the Securities  Exchange Act of 1934,
during the nine  months  ended  September  30, 1997 and 1996,  Midcom  generated
revenues of approximately $74.3 million and $124.6 million, respectively.

         Midcom filed for relief under  Chapter 11 of the U.S.  Bankruptcy  Code
with the U.S.  Bankruptcy  Court  for the  Eastern  District  of  Michigan  (the
"Bankruptcy Court") in November 1997, and consummation of the Midcom Acquisition
is subject to the approval of the  Bankruptcy  Court.  The  consummation  of the
Midcom   Acquisition  is  also  subject  to  various  other  approvals  and  the
possibility  that other  potential  purchasers may bid more for the assets to be
acquired than the Company is willing to pay.  There can be no assurance that all
required  approvals  will be obtained or that no other  purchaser may offer more
for the assets to be acquired.

         The Company  anticipates that the Midcom  Acquisition will close during
the first quarter of 1998.  There can no assurance  that the Midcom  Acquisition
will be consummated.

Item 5.           Other Events.

         Acquisition of GoodNet

         On December  10,  1997,  the Company  entered  into an  agreement  with
Telesoft  Corp.  ("Telesoft"),  pursuant to which the Company  will acquire (the
"GoodNet  Acquisition")  Telesoft's Internet services  subsidiary,  commercially
known as  GoodNet  ("GoodNet"),  for a  purchase  price of  approximately  $22.0
million,  consisting  of $3.5  million  cash and  shares of common  stock of the
Company ("Common Stock") having an aggregate market value of approximately $18.5
million.

         GoodNet  is  a  national  provider  of  Internet   services,   offering
high-capacity  data  communication  services to  high-bandwidth  users including
Internet service providers,  universities and colleges, large landlords,  RBOCs,
cable  television  operators and  value-added  resellers,  and dial-up  Internet
access to  consumers.  GoodNet  possesses a national  network of  multi-protocol
asynchronous transfer mode (ATM) switches,  with points of presence in 27 cities
and more than 130 peering  arrangements  with other U.S.  and  foreign  Internet
service  providers.  During the nine  months  ended  August  31,  1997 and 1996,
GoodNet  generated  revenues of  approximately  $4.1  million and $1.3  million,
respectively.

         GoodNet  will  become  part  of the  Company's  new  division,  WinStar
Broadband Services ("WBS"),  which was formed by the Company in December 1997 to
facilitate the Company's expansion into the growing data communications  market.
WBS will develop the  Company's  presence in the areas of Internet  services and
data  transport;  local area and wide area network  professional  services;  and
network applications.


                                        2

<PAGE>



         The GoodNet  Acquisition  is expected to close during the first quarter
of 1998, subject to the satisfaction of certain closing conditions. There can be
no assurance that the GoodNet Acquisition will be consummated.

Item 7.      Financial Statements, Pro Forma Financial Information and Exhibits

         (a)      Financial Statements

                  (i) With  respect to Item 2, above,  the Company will file the
         required  financial  statements  of Midcom,  within 60 days of the last
         date on which this report on Form 8-K was required to be filed.

                  (ii)  With  respect  to  Item 5,  above,  the  Company  is not
         required to file any financial statements for GoodNet.

         Pro Forma Financial Information

                  (i) With  respect to Item 2, above,  the Company will file the
         required pro forma  financial  statements of Midcom,  within 60 days of
         the last  date on which  this  report  on Form 8-K was  required  to be
         filed.

                  (ii)  With  respect  to  Item 5,  above,  the  Company  is not
         required to file any pro forma financial statements for GoodNet.

         Exhibits
<TABLE>
<CAPTION>
<S>                                      <C>   
         10.1                       Amended and Restated Asset Purchase Agreement among WinStar
                                    Communications, Inc., WinStar Midcom Acquisition Corp. and Midcom
                                    Communications, Inc., Cel-Tech International Corp. and Pacnet Inc.,
                                    Chapter 11 debtors in possession.

         10.2                       Merger and Reorganization Agreement among WinStar
                                    Communications, Inc., WG Acquisition Corp.,  Telesoft Acquisition Corp.
                                    II (d/b/a "GoodNet"), Telesoft Corp., and the other stockholders of
                                    GoodNet.

         99.1                       Press Release regarding Midcom Acquisition.

         99.2                       Press Release regarding GoodNet Acquisition.
</TABLE>

                                        3

<PAGE>



                                   SIGNATURES



                  Pursuant to the requirements of the Securities Exchange Act of
1934,  the  Registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.


Dated: December 30, 1997                         WINSTAR COMMUNICATIONS, INC.
                                                 ----------------------------
                                                 (Registrant)


                                                 /s/ Frederic E. Rubin
                                               ------------------------------
                                                      Frederic E. Rubin
                                                  Vice President and Treasurer


                                        4

<PAGE>


                                  EXHIBIT INDEX
<TABLE>
<CAPTION>


Exhibit Number                      Description
<S>                                  <C>   
10.1                                Amended and Restated Asset Purchase Agreement among WinStar
                                    Communications, Inc., WinStar Midcom Acquisition Corp. and Midcom
                                    Communications, Inc., Cel-Tech International Corp. and Pacnet Inc.,
                                    Chapter 11 debtors in possession.

10.2                                Merger and Reorganization Agreement among WinStar
                                    Communications, Inc., WG Acquisition Corp.,  Telesoft Acquisition Corp.
                                    II (d/b/a "GoodNet"), Telesoft Corp., and the other stockholders of
                                    GoodNet.

99.1                                Press Release regarding Midcom Acquisition.

99.2                                Press Release regarding GoodNet Acquisition.
</TABLE>

                                        5

<PAGE>


                                                            December 23, 1997



Midcom Communications Inc.
Cel-Tech International Corp.
PacNet Inc.
26899 Northwestern Highway, Suite 120
Southfield, Michigan  48034

                  Re:      Amended and Restated Asset Purchase Agreement --
                           Amendments Made December 19, 1997 in Open Court

Gentlemen:

                  This letter  will  confirm our  agreement  that in  Bankruptcy
Court on December 19, 1997,  the following  sections of the Amended and Restated
Asset Purchase Agreement, dated as of December 17, 1997, were amended to read as
follows:

         Section 1.2:

                    (m)  The  stock  of  Ad  Val,  Inc.  and  its   wholly-owned
subsidiary,  Ad Val Data,  Inc., and all assets owned by, used in or relating to
the business of these two companies.

         Section 7.2  Assumption  of  Contracts.  No later than two (2) Business
Days prior to the Closing,  the Purchaser shall notify the Sellers in writing as
to any  Assumed  Contracts  that were  listed in Section  1.1(l) of the  Company
Disclosure  Letter as of the date hereof that the  Purchaser  does not desire to
assume at Closing,  which  Contracts shall be deleted from Section 1.1(l) of the
Company  Disclosure  Letter.  At Closing,  the Sellers  shall deliver an updated
Company Disclosure Letter pursuant to Section 2.2 hereof that shall reflect such
changes to the Assumed  Contracts  to be assumed by the  Purchaser  hereunder at
Closing  and add such  excluded  Contracts  to  Section  1.2(c)  of the  Company
Disclosure Letter.

         Section 9.4 Termination by WinStar. This Agreement may be terminated at
any time on or prior to the Closing  Date by action of the Board of Directors of
WinStar if (a) a condition  precedent to the  obligations  of the  Purchaser and
WinStar  hereunder to be fulfilled by the Sellers has not been  fulfilled by the
time stated  herein for such  condition to be  fulfilled  or, if no such time is
stated,  by January 31, 1998; (b) there has been a material breach of any of the
representations, warranties, covenants or agreements set forth in this Agreement
on the part of the Sellers,  which breach is not curable or, if curable,  is not
cured within ten (10) days after  written  notice of such breach is given by the
Purchaser  to the  Sellers;  (c) the  Board  of  Directors  of the  Company  has
withdrawn,  modified,  or  changed  in a manner  adverse  to the  Purchaser  its
approval or rec ommendation of this Agreement in order, or the Sellers otherwise
determine,  to approve and permit the Company to execute a definitive  agreement
relating to an Overbid;  (d) since the date hereof,  there have been one or more
events causing a Company Material Adverse Effect; (e) the Closing

                                        1

<PAGE>


Midcom Communications, Inc.
Cel-Tech International Corp.
PacNet Inc.
December 23, 1997
Page 2



does not  occur by  January  31,  1998,  except  if such  failure  is  caused by
Purchaser's  actions  or  inactions  in breach  of its  obligations  under  this
Agreement;  or (f) the 363 Order and the 365 Order have not been  entered by the
Bankruptcy Court by January 31, 1998.

         Section 9.7(b)(ii)

                                    (A)  The   termination   of  this  Agreement
                           pursuant  to  Section  9.3(c) or (d) or  Section  9.4
                           (except for Section  9.4(d) or (e) or solely  because
                           of the  non-fulfillment  of  any  of  the  conditions
                           specified in Section 8.3(c),  (e), (g), (i), (j), (k)
                           or (l) which non-fulfillment is not caused by any act
                           or omission of Sellers); or

         Section  10.2  Notices.  All  notices,   claims,   demands,  and  other
communications  hereunder shall be in writing and shall be deemed given upon (a)
facsimile  transmission,  (b) confirmed delivery by a standard overnight carrier
or when delivered by hand, or (c) the expiration of five (5) Business Days after
the day when mailed by registered or certified  mail  (postage  prepaid,  return
receipt  requested),  addressed  to the  respective  parties  at  the  following
addresses  (or such  other  address  for a party as shall be  specified  by like
notice):

                  (a)      If to the Purchaser or WinStar, to

                           WinStar Communications, Inc.
                           230 Park Avenue -- Suite 2700
                           New York, New York 10169
                           Attention: Timothy R. Graham
                           Telecopier: 212-922-1637

                           with copies to

                           Graubard Mollen & Miller
                           600 Third Avenue
                           New York, New York 10016-2097
                           Attention: David Alan Miller, Esq.
                           Telecopier: 212-818-8881


                  (b)      If to the Sellers, to

                           Midcom Communications Inc.
                           26899 Northwestern Highway, Suite 120
                           Southfield, Michigan  48034
                           Attention: Mr. William H. Oberlin
                           Telecopier: (248) 208-9225

                                        2

<PAGE>


Midcom Communications Inc.
Cel-Tech International Corp.
PacNet Inc.
December 23, 1997
Page 2-A



                           with copies to

                           Midcom Communications Inc.
                           26913 Northwestern Highway, Suite 165
                           Southfield, Michigan  48034
                           Attention:  Steven Goldman, Esq.
                           Telecopier: (248) 945-1904

                                            and

                           Pepper Hamilton & Scheetz LLP
                           100 Renaissance Center, Suite 3600
                           Detroit, Michigan  48243
                           Attention: Dennis S. Kayes, Esq.
                           Telecopier: (313) 259-7926

                                            and

                           Mayer, Brown & Platt
                           190 South LaSalle Street
                           Chicago, Illinois 60603-3441
                           Attention:  Lawrence K. Snider, Esq.
                           Telecopier: (312) 701-7711








                             THE NEXT PAGE IS PAGE 3

                                               

<PAGE>



                  Please  countersign  a copy of this  letter  to  confirm  your
agreement to the foregoing and return it to the undersigned.

                                Very truly yours,

                                           WINSTAR MIDCOM ACQUISITION CORP.


                                           By:    /s/ Timothy R. Graham
                                             -------------------------------
                                           Name:    Timothy R. Graham
                                           Title:   President

                                           WINSTAR COMMUNICATIONS, INC.


                                           By:    /s/ Timothy R. Graham
                                             -------------------------------
                                           Name:    Timothy R. Graham
                                           Title:   Executive Vice President

AGREED:

MIDCOM COMMUNICATIONS INC.


By:   /s/ Steven Goldman
   ------------------------------
Name:    Steven Goldman
Title:   Vice President & General Counsel


CEL-TECH INTERNATIONAL CORP.


By:   /s/ Steven Goldman
   ------------------------------
Name:    Steven Goldman
Title:   Vice President & General Counsel


PACNET INC.


By:   /s/ Steven Goldman
   ------------------------------
Name:    Steven Goldman
Title:   Vice President & General Counsel

                                        3

<PAGE>



                              AMENDED AND RESTATED

                            ASSET PURCHASE AGREEMENT

                                      AMONG

                          WINSTAR COMMUNICATIONS, INC.,

                        WINSTAR MIDCOM ACQUISITION CORP.

                                       and

                           MIDCOM COMMUNICATIONS INC.,

                          CEL-TECH INTERNATIONAL CORP.

                                       and

                                  PACNET INC.,

                        Chapter 11 debtors in possession


 
<PAGE>



                                TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                                                               Page
<S>                                                                                                             <C>    
ARTICLE I --
         PURCHASE AND SALE OF ASSETS..............................................................................2
                  Section 1.1       Purchase and Sale of Assets...................................................2
                  Section 1.2       Excluded Assets...............................................................5
                  Section 1.3       Assumed Liabilities...........................................................7
                  Section 1.4       Excluded Liabilities..........................................................7
                  Section 1.5       Purchase Price................................................................7
                  Section 1.6       Allocation of Purchase Price..................................................8
                  Section 1.7       Application of Purchase Price.................................................9

ARTICLE II --
         THE CLOSING..............................................................................................9
                  Section 2.1       Closing.......................................................................9
                  Section 2.2       Deliveries at Closing.........................................................9

ARTICLE III --
         REPRESENTATIONS AND WARRANTIES OF THE SELLERS...........................................................12
                  Section 3.1       Organization.................................................................12
                  Section 3.2       Authority Relative to this Agreement.........................................12
                  Section 3.3       Consents and Approvals.......................................................13
                  Section 3.4       No Violations................................................................13
                  Section 3.5       Company Financial Statements.................................................13
                  Section 3.6       Absence of Certain Changes; Events Subsequent to Filing of
                                    Petitions....................................................................14
                  Section 3.7       Litigation...................................................................14
                  Section 3.8       Absence of Undisclosed Liabilities...........................................14
                  Section 3.9       No Default...................................................................15
                  Section 3.10      No Violation of Law..........................................................15
                  Section 3.11      Taxes........................................................................16
                  Section 3.12      Title and Condition to Property..............................................16
                  Section 3.13      Certain Regulatory Matters...................................................17
                  Section 3.14      Brokers......................................................................18
                  Section 3.15      Contracts....................................................................19
                  Section 3.16      Intellectual Property and Other Intangible Property..........................21
                  Section 3.17      Employee Plans; Labor Matters................................................21
                  Section 3.18      Environmental Matters; Health and Safety and Other Laws......................23
                  Section 3.19      Records......................................................................23
                  Section 3.20      Disclosure...................................................................23
                  Section 3.21      SEC Filings..................................................................24
                  Section 3.22      Motion to Extend Time........................................................24
                  Section 3.23      LOAs.........................................................................24



                                        i

<PAGE>



ARTICLE IV --
         REPRESENTATIONS AND WARRANTIES OF THE PURCHASER AND
         WINSTAR.................................................................................................25
                  Section 4.1       Organization.................................................................25
                  Section 4.2       Authority Relative to this Agreement.........................................25
                  Section 4.3       Consents and Approvals.......................................................25
                  Section 4.4       No Violations................................................................26

ARTICLE V --
         COVENANTS...............................................................................................26
                  Section 5.1       Conduct of Business by the Sellers  Pending the Closing......................26
                  Section 5.2       Acquisition Proposal Procedures..............................................27
                  Section 5.3       [Intentionally omitted.].....................................................29
                  Section 5.4       Filings; Other Action........................................................29
                  Section 5.5       Public Announcements.........................................................30
                  Section 5.6       Bankruptcy Actions...........................................................30
                  Section 5.7       Tax Returns and Filings; Payment of Taxes....................................31
                  Section 5.8       Employee Benefit Plans.......................................................31
                  Section 5.9       Notification of Certain Matters..............................................31
                  Section 5.10      Comfort Letters, Etc.........................................................32
                  Section 5.11      Additional Matters...........................................................33
                  Section 5.12      Satisfaction or Discharge of Encumbrances....................................33

ARTICLE VI --
         ADDITIONAL POST-CLOSING COVENANTS.......................................................................33
                  Section 6.1       Further Assurances...........................................................33
                  Section 6.2       Third Party Rights...........................................................34
                  Section 6.3       Employment of the Sellers' Employees.........................................34
                  Section 6.4       Master LOAs and TSAs.........................................................34
                  Section 6.5       Corporate Name...............................................................35
                  Section 6.6       Sellers' Right to Use Certain Assets to Wind Up Operations...................36
                  Section 6.7       Regulatory Filings...........................................................36
                  Section 6.8       Right to Access and Use Sellers' Switches....................................36
                  Section 6.9       Confirmation of a Plan.......................................................37

ARTICLE VII --
         DUE DILIGENCE REVIEW....................................................................................37
                  Section 7.1       Due Diligence Review.........................................................37
                  Section 7.2       Assumption of Contracts......................................................38
                  Section 7.3       Designation of Assets........................................................39

ARTICLE VIII --
         CONDITIONS PRECEDENT....................................................................................39
                  Section 8.1       Conditions Precedent to Obligation of the Sellers and the
                                    Purchaser and WinStar........................................................39
                  Section 8.2       Conditions Precedent to Obligation of the Sellers............................40

                                       ii

<PAGE>



                  Section 8.3       Conditions Precedent to Obligation of the Purchaser and
                                    WinStar......................................................................40

ARTICLE IX --
         TERMINATION, AGREEMENT, AND WAIVER......................................................................42
                  Section 9.1       Termination by Mutual Consent................................................42
                  Section 9.2       Termination by Either WinStar or the Company.................................43
                  Section 9.3       Termination by Company.......................................................43
                  Section 9.4       Termination by WinStar.......................................................43
                  Section 9.5       Termination by Purchaser and WinStar On or Prior to
                                    Expiration of Due Diligence Period...........................................44
                  Section 9.6       Effect of Termination and Abandonment........................................44
                  Section 9.7       Expense Reimbursement; Termination Fee.......................................44
                  Section 9.8       Indemnification; Holdback....................................................46

ARTICLE X --
         GENERAL PROVISIONS......................................................................................47
                  Section 10.1      No Merger....................................................................47
                  Section 10.2      Notices......................................................................48
                  Section 10.3      Descriptive Headings.........................................................49
                  Section 10.4      Entire Agreement; Assignment.................................................49
                  Section 10.5      Governing Law................................................................49
                  Section 10.6      Expenses.....................................................................49
                  Section 10.7      Amendment....................................................................50
                  Section 10.8      Waiver.......................................................................50
                  Section 10.9      Counterparts; Effectiveness..................................................50
                  Section 10.10     Severability; Validity; Parties in Interest..................................50
                  Section 10.11     Enforcement of Agreement.....................................................50

ARTICLE XI --
         DEFINITIONS.............................................................................................51
                  Section 11.1      Defined Terms................................................................51

</TABLE>

                                       iii

<PAGE>



                  AMENDED AND RESTATED ASSET PURCHASE AGREEMENT


         THIS  AMENDED  AND  RESTATED  ASSET  PURCHASE  AGREEMENT,  dated  as of
December  17,  1997 (this  "Agreement"),  is entered  into by and among  WINSTAR
COMMUNICATIONS,   INC.,  a  Delaware  corporation  ("WinStar"),  WINSTAR  MIDCOM
ACQUISITION CORP., a Delaware corporation  ("Purchaser"),  MIDCOM COMMUNICATIONS
INC., a  Washington  corporation  (the  "Company"),  and CEL-TECH  INTERNATIONAL
CORP.,  a Washington  corporation,  and PACNET  INC.,  a Washington  corporation
("PacNet")   (each  a  "Seller   Subsidiary"   and   collectively   the  "Seller
Subsidiaries"). The Company and the Seller Subsidiaries are hereinafter referred
to as the  "Sellers."  Capitalized  terms used herein and not otherwise  defined
shall have the meanings set forth in Article XI.

         WHEREAS,  the  Sellers are engaged in the  business of  providing  long
distance and local voice and data  telecommunications  services,  including long
distance service, local service, frame relay data transmission service, cellular
service and dedicated  private lines between Customer  locations  (collectively,
the "Business," which term, as used herein,  refers to the business conducted by
the Sellers utilizing the Assets to be acquired by the Purchaser hereunder);

         WHEREAS,  on November 7, 1997,  the Sellers filed  voluntary  petitions
(the  "Petitions")  for relief  commencing  cases (the "Chapter 11 Cases") under
Chapter 11 of Title 11 of the United States Code, 11 U.S.C. Sections 101 et seq.
(the "Bankruptcy  Code"),  in the United States Bankruptcy Court for the Eastern
District of Michigan, Detroit Division (the "Bankruptcy Court"), Bankruptcy Case
Nos.  97-59044-S,  97-59057-S  and  97-59052-G,  with such  cases to be  jointly
administered by the Bankruptcy Court under Bankruptcy Case No. 97-59044-S; and

         WHEREAS,  the Purchaser  desires to purchase from the Sellers,  and the
Sellers  desire  to  sell,  convey,   assign  and  transfer  to  the  Purchaser,
substantially  all of the assets and  properties of each Seller  relating to the
Business,  all in the manner and subject to the terms and  conditions  set forth
herein and in accordance with Sections 105, 363 and 365 of the Bankruptcy Code;

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


                                        1

<PAGE>



                                    ARTICLE I

                           PURCHASE AND SALE OF ASSETS

         Section 1.1  Purchase  and Sale of Assets.  On the terms and subject to
the  conditions  set forth in this  Agreement,  at the Closing the Sellers shall
sell, assign,  transfer,  convey and deliver to the Purchaser, and the Purchaser
shall purchase and accept from the Sellers, all right, title and interest in and
to all of the assets,  properties,  rights, contracts,  Customers,  intellectual
properties  and  claims  owned or used by  Sellers in  conducting  the  Business
(except as otherwise set forth in Section 1.2 hereof), wherever located, whether
tangible or intangible,  as the same shall exist at the Closing,  free and clear
of all  Encumbrances  (collectively  referred  to herein as the  "Assets").  The
Assets shall include, without limitation:

                  (a) the accounts of (i) all of Sellers'  Customers  which,  at
the Closing Date, are end-users of any Seller for any of its  telecommunications
services provided in connection with the Business,  (ii) all Customers and other
Persons from whom third-party verified verbal  authorizations or written letters
of authorization or other  appropriate  evidence of authority to switch carriers
("LOAs") have been  obtained by Sellers but which have not yet been  provisioned
and (iii) all carriers,  Internet service  providers and other Persons utilizing
the  services of the  Business on a resale or other  basis (such  Customers  and
other Persons are referred to herein as "Customers");

                  (b) the names "MIDCOM,"  "Cel-Tech" and "PacNet" and all other
trademarks,  trade  names,  service  marks and service  names used by Sellers in
connection  with  servicing the  Customers or otherwise in  connection  with the
Business,  which are listed in Section 1.1(b) of the Company  Disclosure Letter,
and all goodwill associated therewith and the right to sue for, and all remedies
against, all past, present or future infringements thereof (the "Names") and, in
connection  therewith,  the right to use the Names in connection  with servicing
the  Customers  or otherwise  in  connection  with the Business and the right to
represent to third  parties that  Purchaser  is the  successor to the  Business,
subject  only to the  limited  license  rights  granted to Sellers  pursuant  to
Section 6.5;

                  (c) Sellers' Carrier  Identification  Codes ("CIC") and all of
Sellers'   right,   title  and   interest   in  and  to  all  other   intangible
telecommunications  assets  owned  or used by  Sellers  in  connection  with the
Business,  including without limitation  telecommunications numbering codes, NXX
codes,  location routing codes,  carrier  identification  codes, all of Sellers'
800/888 Responsible Organization rights and interest, all telephone numbers used
by or assigned to the Sellers'  Customers  and/or  accounts and other  operating
codes,

                                        2

<PAGE>



all of which are listed in Section 1.1(c) of the Company Disclosure Letter;

                  (d) all  furnishings,  furniture,  fixtures,  office supplies,
vehicles (including all certificated motor vehicles),  spare parts, tools, dies,
machinery,  equipment, computers, switches and other tangible personal property,
all items of which having a value on Sellers' records of $100 or more are listed
in Section 1.1(d) of the Company Disclosure  Letter,  subject to the limited use
rights granted to Sellers pursuant to Section 6.6;

                  (e) all billed and unbilled  accounts  receivable  and related
deposits,  security or collateral  therefor and  guaranties  thereof,  including
recoverable Customer deposits (collectively, the "Trade Receivables");

                  (f) all of Sellers'  rights to and ownership of the following:
fiber optic transmissions network and any and all other network facilities;  all
related access lines including without  limitation any and all private and other
lines,  owned or leased,  which access  local  exchange  carriers;  all software
necessary to operate such networks (including software associated with voice and
data  switches,   private  branch   exchange   equipment,   digital  access  and
cross-connect  systems,  remote  switching  modules and other  equipment);  pole
attachment,  conduit  occupancy,  right of way, or other purchasing  agreements;
building  entrances  and roof rights  agreements  and  intra-building  riser and
lateral cable and conduit agreements; and access to any and all other pathways;

                  (g) all  leasehold  interests in the real property used in the
Business  including  without  limitation  those interests  identified in Section
1.1(g) of the Company  Disclosure  Letter,  including all buildings and switches
(including  related  premises  leases) located  thereon,  any fixtures  attached
thereto and any and all rights appurtenant thereto;

                  (h)  to  the  extent  assignable,  the  Intellectual  Property
related to the Assets  (including  without  limitation the Names) and all of the
goodwill  of the  Business  appurtenant  thereto,  the  rights  to sue for,  and
remedies against, past, present and future infringements thereof, and the rights
of priority and protection of interests therein under applicable laws;

                  (i) all copies of marketing  brochures and materials and other
printed or written  materials  in any form or medium  relating  to the  Sellers'
ownership or  operation of the Business  that Sellers are not required by law to
retain and duplicates of any such materials that the Sellers are required by law
to retain;

                                        3

<PAGE>



                  (j)  other  than the  Excluded  Assets  specified  in  Section
1.2(f),  all  rights  and  claims  under  all  warranties,  representations  and
guarantees  made  by  suppliers,  vendors,  manufacturers,  and  contractors  in
connection with the operation of the Business;

                  (k) all Company Permits held by the Sellers (or, to the extent
any such  Company  Permits are not freely  transferable  by the  permittee,  all
right,  title and interest of Sellers in such Company Permits to the full extent
such right,  title and interest may be transferred),  all of which are listed in
Section 1.1(k) of the Company Disclosure Letter;

                  (l) other than Contracts that the Purchaser elects not to take
an  assignment  of pursuant to the  provisions  of Section  7.2,  all rights and
incidents  of  interest  as of the  Closing  in and  to all  leases,  agreements
(including  the Joint Venture  Agreement)  and other  Contracts  (including  the
Sellers'  distributor  agreements  with  their  agents,  resellers,  independent
distributors)  and  contractual  rights and  obligations  of Sellers,  including
without  limitation  those  listed in Section  1.1(l) of the Company  Disclosure
Letter (collectively, the "Assumed Contracts");

                  (m) all of Sellers'  right,  title and  interest in and to Dal
Telecom  International  ("Dal  Telecom")  and all of Sellers'  right,  title and
interest  under  the Joint  Venture  Agreement  and in and to the joint  venture
formed pursuant to the Joint Venture Agreement;

                  (n)  other  than to the  extent  relating  exclusively  to the
Excluded  Assets  specified in Section 1.2(g) or the Excluded  Liabilities,  all
books and records of the Business (in whatever medium such books and records are
preserved), including, without limitation, those relating to the Assets, Assumed
Contracts and Transferred  Employees,  and all plans,  surveys,  maps, drawings,
designs, data processing records,  employment and personnel records,  laboratory
and testing files and records,  Customer lists, files, and records,  advertising
and marketing data and records,  credit records,  records relating to suppliers,
work papers relating to preparation of the Company Financial  Statements and the
Company's financial  statements for the fiscal years ended December 31, 1995 and
1996  included in the Company's  Annual  Reports on Form 10-K for such years and
other data  (provided  that  Purchaser  shall permit  Sellers to make and retain
copies  of any such  books  and  records  on or prior to the  Closing  as may be
required by applicable law);

                  (o) all credits,  prepaid expenses,  deferred charges, advance
payments,  security  deposits and prepaid items of the Sellers except those that
may be applied  exclusively  against  Excluded  Liabilities  (and, in each case,
guaranties and other security from third parties relating thereto), all of which
are listed in Section

                                        4

<PAGE>



1.1(o) of the Company Disclosure Letter;

                  (p) other  than those  relating  exclusively  to the  Excluded
Assets specified in Section 1.2(f) and the Excluded  Liabilities,  any claims or
causes of action  relating to the Assets or the Business and any  counterclaims,
set-offs  or  defenses  the  Sellers  may  have  with  respect  to  the  Assumed
Liabilities;

                  (q)      all goodwill relating to the Assets and the Business;

                  (r) all computer  software  programs and databases  (including
source codes) owned or developed  internally by the Sellers and the right to use
all computer  software  programs and databases  licensed  (subject to applicable
restrictions) or leased,  including without limitation Customer billing software
and switch operation software, all of which programs and databases are listed in
Section 1.1(r) of the Company Disclosure Letter;

                  (s) all  insurance  claims or insurance  refunds in respect of
the Assets or the  operations of the Business on account of losses arising prior
to the Closing  Date  (other than claims and refunds in respect of the  policies
described in Section 1.2(d) below);

                  (t) all  right,  title and  interest  of Sellers in and to the
telephone  numbers used by Sellers in the conduct of the Business,  all of which
are listed in Section 1.1(t) of the Company  Disclosure  Letter,  subject to the
limited use rights granted to Sellers pursuant to Section 6.6;

                  (u) all right,  title and  interest  of Sellers in  agreements
relating to the purchase or provision of frame relay services and/or facilities,
including without limitation purchasing,  sales,  co-location,  interconnection,
traffic sharing and mutual compensation  agreements,  and including all Customer
accounts  and  all  rights  related  to  Sellers'   membership  in  the  Unispan
consortium,  all of which are listed in Section 1.1(u) of the Company Disclosure
Letter; and

                  (v) all right,  title and  interest of Sellers in any domestic
or international cable, satellite or other telecommunications systems, including
indefeasible  rights  of use or  agreements  to obtain  minutes  of use or other
measures of capacity,  all of which are listed in Section  1.1(v) of the Company
Disclosure Letter.

         Section 1.2       Excluded Assets. The following assets, properties and
rights (the "Excluded Assets") are not included in the Assets:

                                        5

<PAGE>



                  (a)      all cash and cash equivalents of the Sellers;

                  (b)      the minute books and stock records of the Sellers;

                  (c) all  Contracts  of the  Sellers  other  than  the  Assumed
Contracts,  including any  Contracts  with respect to which  Purchaser  does not
assume all liabilities  that arise after the Closing Date in accordance with the
365 Order;

                  (d) any Tax refunds relating to periods  exclusively  prior to
the Closing Date or entirely to the  Excluded  Assets and  insurance  claims and
refunds in respect of claims exclusively  attributable to the Excluded Assets or
the  Excluded  Liabilities  (or  operations  exclusively  in respect of Excluded
Assets),  whether the claims relate to director or officer insurance policies or
similar coverage and losses arising prior to or after the Closing Date;

                  (e) the causes of  action,  judgments  and  claims  (including
those against Sprint Corporation and Discom  Corporation)  identified in Section
1.2(e) of the Company Disclosure Letter, including any causes of action that the
Sellers have under the Bankruptcy Code and any recoveries thereon;

                  (f) any claims or causes of action relating exclusively to the
Excluded Assets and any counterclaims, set-offs or defenses the Sellers may have
exclusively with respect to the Excluded Liabilities;

                  (g) all books and records of the Business relating exclusively
to the Excluded Assets and the Excluded Liabilities (provided that Sellers shall
deliver to  Purchaser  at or prior to Closing a  photocopy,  or, with respect to
books and  records  not  preserved  in  writing,  a copy of the  medium in which
preserved, of such books and records);

                  (h)      Sellers' rights under Sellers' directors and officers
insurance policies;

                  (i) Sellers'  rights to net operating  loss carry forwards and
carrybacks  relating to the Business for all taxable  periods ending on or prior
to the Closing Date;

                  (j)      all owned real property of any of the Sellers;

                  (k)      the other assets identified in Section 1.2(k) of the
Company Disclosure Letter,

                                        6

<PAGE>



including  without  limitation  the  microwave  assets of PacNet,  including all
antennae, towers, repeaters and other radio equipment, siting, collocation, pole
attachment and like arrangements;

                  (l) audio  teleconferencing  equipment  and any and all assets
and Contracts relating to such equipment and the use thereof; and

                  (m)      the stock of Ad Val, Inc.

         Section  1.3  Assumed  Liabilities.  On the  terms and  subject  to the
conditions  set forth in this  Agreement,  at the Closing,  the Purchaser  shall
assume from the Sellers and thereafter  pay,  perform or discharge in accordance
with their terms, only those executory  obligations of Sellers under the Assumed
Contracts  that first become  performable on or after the Closing Date and which
did not accrue prior to the Closing Date (the "Assumed Liabilities").

         Section  1.4  Excluded  Liabilities.  The  Sellers  and  the  Purchaser
expressly  understand  and agree that the Sellers shall be solely liable for all
liabilities  and  obligations  of  Sellers  other than the  Assumed  Liabilities
(collectively, the "Excluded Liabilities").

         Section 1.5       Purchase Price.

                  (a) In  consideration  for the  Assets,  WinStar  shall pay or
shall cause the Purchaser to pay a purchase price of Ninety-Two  Million Dollars
($92,000,000) (the "Purchase Price"), as follows:

                  (i) No later than one Business Day  following the day on which
         the Overbid Procedures Order is signed,  WinStar or the Purchaser shall
         pay a deposit  of  $9,200,000  (the  "Initial  Deposit")  to the Escrow
         Agent,  which  shall  be held  and  disbursed  by the  Escrow  Agent in
         accordance with the Escrow  Agreement to be executed on or prior to the
         making of the  Initial  Deposit.  All  interest  earned on the  Initial
         Deposit for all periods prior to the Closing Date or the termination of
         this Agreement,  including  termination  pursuant to Section 9.3(a) and
         (b),  shall be for the  account of WinStar  or the  Purchaser.  If this
         Agreement is terminated  for any reason other than  termination  by the
         Company pursuant to Section 9.3(a) or (b), the Initial Deposit shall be
         returned to WinStar without further order of the Bankruptcy Court.

                  (ii) On the Closing Date,  WinStar or the Purchaser  shall pay
(A) to the Sellers (w) the

                                        7

<PAGE>



         amount of the Purchase Price less (x) the Initial  Deposit less (y) the
         sum of $10,800,000 (the "Additional Deposit"), which, together with the
         Initial Deposit, shall be security for the in demnification obligations
         of the  Sellers  pursuant  to  Section  9.8,  and  less  (z) the sum of
         $23,500,000 (the "Adjustment Deposit"), which shall be security for the
         adjustment  obligations of the Sellers pursuant to Section 1.5(b),  and
         (B) the balance of the Purchase Price (other than the Initial  Deposit)
         to the  Escrow  Agent.  Thereafter,  the  Escrow  Agent  shall hold and
         disburse the Initial Deposit, the Additional Deposit and the Adjustment
         Deposit in accordance with the Escrow Agreement.

                  (iii)  Payment  by WinStar or the  Purchaser  of the  Purchase
         Price shall be made (A) to the Sellers, by wire transfer to the account
         of the Sellers designated by them in written notice given to WinStar no
         later than two  Business  Days prior to the Closing Date and (B) to the
         Escrow  Agent,  by wire  transfer  to the  account of the Escrow  Agent
         designated in the Escrow Agreement.

                  (b) If the average  revenues  per Business Day of the Business
(as  determined  by  WinStar's   independent  certified  public  accountants  in
accordance with GAAP, consistently applied with respect to the Business) for the
second full calendar month  following the month in which the Closing Date occurs
(the "Second  Month Average  Daily  Revenues")  are less than 95% of the average
revenues per  Business Day of the Business for the month of September  1997 (the
"September Average Daily Revenues"), the Purchase Price shall be reduced by, and
the Sellers shall refund to the Purchaser on demand,  the lesser of  $23,500,000
or an amount equal to (i) the September  Average Daily  Revenues less the Second
Month  Average  Daily  Revenues  (ii)  divided by the  September  Average  Daily
Revenues and (iii)  multiplied  by the Purchase  Price.  WinStar shall cause its
independent  certified  public  accountants  to  calculate  the  amounts  of the
September  Average Daily  Revenues,  the Second Month Average Daily Revenues and
the reduction  and refund of the Purchase  Price,  if any,  provided for in this
Section 1.5(b) on an unaudited basis as soon as practicable after the conclusion
of the second full calendar month  following the month in which the Closing Date
occurs.  Such  accountants  shall submit a statement  thereof to the parties for
their review,  which statement and the calculations  reflected  therein shall be
conclusively  accepted  unless an  objection  is made by a party within ten days
after such submission. In the event of any such objection,  notice thereof shall
be given by the  objecting  party to the other party and  WinStar's  independent
certified public  accountants and the parties and their  respective  accountants
shall use good faith efforts to resolve the issues presented by the objection.

         Section  1.6  Allocation  of Purchase  Price.  Promptly  following  the
Closing  Date,  the Purchase  Price shall be allocated  among the Assets in such
amounts as shall be  specified  in a schedule to be  prepared by the  Purchaser,
upon  consultation with the Company,  which  allocation,  absent manifest error,
shall be

                                        8

<PAGE>



binding upon the Purchaser  and the Sellers,  each of which agrees to report the
effect of the transactions  contemplated hereby on all applicable Tax Returns or
filings in a manner consistent with such schedule. The Sellers and the Purchaser
will each file all Tax Returns,  including IRS Form 8594, in a manner consistent
with the Allocation  Schedule and shall take no position in any Tax Return,  Tax
proceeding,  Tax audit or otherwise  which is  inconsistent  with the Allocation
Schedule.  The Sellers and the Purchaser  shall not, after filing IRS Form 8594,
revoke or amend IRS Form 8594 without the written consent of the other.

         Section 1.7 Application of Purchase Price. Upon receipt of the Purchase
Price, the Sellers shall be obligated to (i) cure all defaults under the Assumed
Contracts  arising or existing prior to the Closing Date as set forth in Section
1.7 of the  Company  Disclosure  Letter and (ii) at such time as the Sellers are
obligated  to do so  under  applicable  bankruptcy  law,  pay all  post-petition
expenses of the Sellers,  including  its portion of the fees of the Escrow Agent
under the Escrow  Agreement  and any taxes or other  expenses  relating  to this
Agreement which are not specifically assumed by the Purchaser hereunder.

                                   ARTICLE II

                                   THE CLOSING

         Section 2.1 Closing.  The closing of the  transactions  contemplated by
this  Agreement  (the  "Closing")  shall  take  place at the  offices  of Pepper
Hamilton & Scheetz LLP, 100 Renaissance Center,  Suite 3600,  Detroit,  Michigan
48243,  at 10:00 a.m.  local time on the first Business Day after the conditions
set forth in Article  VIII shall have been  satisfied or waived or at such other
time,  day and place as shall be fixed by agreement  among the parties (the date
of the Closing being herein  referred to as the "Closing  Date").  The effective
time of the Closing  shall be deemed to be 12:01 a.m.  local time on the Closing
Date.

         Section 2.2       Deliveries at Closing.

                  (a)      At the Closing, each of the Sellers shall deliver to
the Purchaser:

                           (i) a duly  executed bill of sale and such other duly
         executed  instruments of conveyance,  transfer and assignment as may be
         required to transfer to the Purchaser all of the Sellers' right,  title
         and  interest  in and to the Assets,  including  but not limited to (A)
         applicable  assignments  of each  lease as to real  property  leasehold
         interests  held by  Sellers,  each in a form and  substance  reasonably
         acceptable to the Purchaser,  (B)  applicable  assignments of the Names
         and the other

                                        9

<PAGE>



         Intellectual  Property and (C)  applicable  assignments  of the Assumed
         Contracts  and Sellers'  interest  under the Joint  Venture  Agreement,
         which  assignments shall include any consents of third parties required
         to assign such Assumed  Contracts to the Purchaser,  each in a form and
         substance reasonably acceptable to the Purchaser;

                           (ii) a  Certificate  of such Seller  certifying as to
         the continued  accuracy of the  representations  and  warranties of the
         Sellers and compliance  with the covenants and conditions  precedent to
         the Closing which are incumbent upon the Sellers;

                           (iii) a  Certificate  of the  Corporate  Secretary of
         each Seller certifying copies of its Board of Directors consents and/or
         meeting   minutes   evidencing   authorization   of  the   transactions
         contemplated herein;

                           (iv) an Incumbency  Certificate  certifying as to the
         authority of such Seller's signatories to sign on behalf of Seller;

                           (v) a Company Disclosure Letter that is updated as of
         the Closing Date,  which updated schedule shall reflect the Purchaser's
         determination  pursuant  to Section 7.2 as to which  Contracts  will be
         Assumed Contracts that the Purchaser will acquire hereunder; and

                           (vi) the 363 Order and the 365 Order.

                  (b) At the  Closing,  WinStar  shall  cause the  Purchaser  to
deliver to the Sellers or as provided  hereunder,  to the Escrow  Agent on their
behalf:

                           (i) such duly executed instruments as may be required
         to  effectuate   the   assumption  by  the  Purchaser  of  the  Assumed
         Liabilities,  including  liabilities under the Assumed  Contracts,  and
         such other duly executed  documents and certificates as may be required
         to be  delivered  by the  Purchaser  pursuant  to  the  terms  of  this
         Agreement;

                           (ii) the payments required pursuant to Section 
         1.5(a)(ii);

                           (iii) a Certificate of the Corporate Secretary of the
         Purchaser  certifying copies of the Board of Directors' consents and/or
         meeting minutes evidencing authorization of the transactions

                                       10

<PAGE>



         contemplated herein;

                           (iv) an Incumbency  Certificate  certifying as to the
         authority  of the  Purchaser's  signatories  to sign on  behalf  of the
         Purchaser; and

                           (v) a Purchaser  Disclosure Letter that is updated as
         of the Closing Date.

                  (c) At Closing, the obligations for payment of all real estate
Taxes and  assessments  with respect to the real property for the taxable period
beginning before and ending after the Closing Date shall be apportioned  between
the Sellers and the Purchaser as of the Closing Date in accordance  with Section
164(d) of the Code. All personal  property,  motor vehicle  (including road use)
and ad  valorem  Taxes  levied or imposed  upon the  Assets by any  governmental
authority for the taxable period  beginning  before and ending after the Closing
Date shall be  apportioned  or prorated on a per diem basis between  Sellers and
Purchaser as of 11:59 p.m.,  E.S.T.,  on the day before the Closing Date. If the
actual  amounts  to be  prorated  are not  known  as of the  Closing  Date,  the
prorations  shall be made on the basis of Taxes  assessed for the prior  taxable
period.  Except as set  forth  below,  no  proration  shall be made for  utility
charges including,  without limitation,  water,  wastewater,  telephone, gas and
electricity.  Sellers shall terminate Sellers' accounts relating to the Business
and the Assets  being  acquired  by  Purchaser  hereunder  (but not the  service
itself) with the providers of all such services as of the Closing Date.  Sellers
shall not be required to terminate any accounts relating to the Excluded Assets.
Prior to the Closing Date, the Purchaser  shall make  application to the service
providers for the continuation of such services in the name of the Purchaser. It
is anticipated  that, in connection with all such utility  services,  the meters
will be read on or about the Closing Date, and Sellers shall be responsible  for
paying  the  bills for such  services  on or prior to the  Closing  Date and the
Purchaser shall be responsible for the payment of all such bills occurring after
the Closing Date. If any such accounts are not paid in full and terminated, they
shall be  prorated as of the Closing  Date with the  Sellers  being  charged and
credited for all of the same up to such date and for all prior months during the
Sellers'  ownership and the Purchaser  being charged and credited for all of the
same on or after such date.  If all amounts to be  prorated  are not known as of
the Closing Date, the prorations shall be made on the basis of the prior month's
bill.  Except for those  instances  in which the Sellers have not paid a utility
account in full and terminated  such account,  in which case any deposit held by
the  applicable   utility  service  provider  shall  be  first  applied  to  any
outstanding  amounts  due and  owing and any  balance  remaining  shall  then be
returned to the  Sellers,  the  Sellers  shall keep and retain all rights to any
deposits  held by any utility  service  providers  in  connection  with the real
property. The provisions of this subsection shall survive the Closing.


                                       11

<PAGE>



                                   ARTICLE III

                  REPRESENTATIONS AND WARRANTIES OF THE SELLERS

         Except  as  otherwise  disclosed  to the  Purchaser  and  WinStar  in a
schedule  attached  hereto  and  made a part  hereof  (which  schedule  contains
appropriate  references to identify the representations and warranties herein to
which  the  information  in such  schedule  relates)  (the  "Company  Disclosure
Letter"),  the  Sellers  jointly  and  severally  represent  and  warrant to the
Purchaser and WinStar as follows:

         Section 3.1 Organization.  Each of the Sellers is a corporation validly
existing  and in  good  standing  under  the  laws  of the  jurisdiction  of its
incorporation  and has the  corporate  power  and  authority  and all  necessary
governmental  approvals to own, lease and operate its properties and to carry on
its business as it is now being conducted or presently proposed to be conducted.
Each of the Sellers is duly  qualified as a foreign  corporation to do business,
and is in good  standing,  in  each  jurisdiction  where  the  character  of its
properties  owned or held under lease or the nature of its activities makes such
qualification  necessary,  except where the failure to be so qualified would not
individually or in the aggregate have a Company Material Adverse Effect. Each of
the Sellers has  heretofore  delivered  to the  Purchaser  complete  and correct
copies of its articles or  certificate of  incorporation  and by-laws as amended
and as in effect on the date hereof. None of the Sellers has any interest in any
subsidiary  or other  entity which owns or has any interest in any of the Assets
or any other property or assets necessary for the conduct of the Business.

         Section 3.2 Authority  Relative to this Agreement.  Each of the Sellers
has the corporate  power and authority to enter into this Agreement and to carry
out its obligations hereunder. The execution,  delivery, and performance of this
Agreement by each of the Sellers and the  consummation by each of the Sellers of
the transactions  contemplated hereby have been duly authorized by all requisite
corporate  actions.  The  transactions  contemplated  by this Agreement will not
require  the  approval  of the  shareholders  of the  Sellers  under  the  state
corporation law of the Sellers'  respective  jurisdictions of  incorporations or
otherwise. Subject to the entry by the Bankruptcy Court of the 363 Order and the
365 Order in the  Chapter 11 Cases,  this  Agreement  has been duly and  validly
executed  and  delivered  by each of the Sellers and  (assuming  this  Agreement
constitutes  a valid  and  binding  obligation  of the  Purchaser  and  WinStar)
constitutes  a valid and binding  agreement of each of the Sellers,  enforceable
against  each of the  Sellers in  accordance  with its terms  subject to general
equitable principles.

         Section 3.3       Consents and Approvals.  No consent, approval, or
authorization of, or declaration,

                                       12

<PAGE>



filing or  registration  with,  any  United  States or foreign  federal,  state,
county,  municipal or other governmental or regulatory authority or other Person
is  required  to be made or  obtained  by any  Seller  in  connection  with  the
execution,  delivery and  performance of this Agreement and the  consummation of
the transactions  contemplated hereby,  except (a) for consents,  approvals,  or
authorizations  of, or declarations or filings with, the Bankruptcy  Court,  (b)
for the filing of a  notification  and report  form under the  Hart-Scott-Rodino
Antitrust  Improvements  Act of  1976,  as  amended  (the  "HSR  Act"),  and the
expiration or earlier  termination of the applicable  waiting period thereunder,
(c) for consents, approvals, authorizations,  declarations or filings identified
in Section 3.3 of the Company Disclosure  Letter,  including with respect to the
transfer  of any  Company  Permits  to the  Purchaser,  and  (d)  for  consents,
approvals, authorizations, declarations, filings or registrations, which, if not
obtained,  would not, individually or in the aggregate,  have a Company Material
Adverse  Effect.  The items described in clauses (a) through (c) of this Section
3.3 are hereinafter referred to as the "Governmental Re quirements."

         Section  3.4 No  Violations.  Assuming  that the  consents,  approvals,
authorizations,  declarations  and filings  referred to in Section 3.3 have been
made or  obtained  and  shall  remain  in full  force and  effect,  neither  the
execution,  delivery or performance of this Agreement by any of the Sellers, nor
the consummation by any of the Sellers of the transactions  contemplated hereby,
nor compliance by any of the Sellers with any of the provisions hereof, will (a)
conflict with or result in any breach of any  provisions of the  certificate  or
articles of incorporation,  as the case may be, or bylaws of any of the Sellers,
(b) result in a  violation  or breach  of, or  constitute  (with or without  due
notice  or lapse  of time or  both) a  default  (or  give  rise to any  right of
termination,  cancellation, vesting, payment, exercise, acceleration, suspension
or revocation)  under any of the terms,  conditions,  or provisions of any note,
bond, mortgage, deed of trust, security interest,  indenture,  license, Contract
(including any Assumed  Contracts) or other  instrument or obligation to which a
Seller is a party or by which a  Seller's  properties  or assets may be bound or
affected,  (c) violate any order, writ,  injunction,  decree,  statute, rule, or
regulation applicable to a Seller or a Seller's properties or assets, (d) result
in the creation or imposition of any  Encumbrance  on any property or asset of a
Seller,  or (e)  cause  the  suspension  or  revocation  of any  Company  Permit
necessary for any Seller to conduct its business as currently conducted,  except
in the case of clauses (b), (c), (d) and (e) for violations, breaches, defaults,
terminations, cancellations,  accelerations, creations, impositions, suspensions
or  revocations  that (i)  would not  individually  or in the  aggregate  have a
Company  Material  Adverse  Effect,  (ii) are excused by or  unenforceable  as a
result  of the  Sellers'  filing  of the  Petitions,  or (iii)  are set forth in
Section 3.4 of the Company Disclosure Letter.

         Section 3.5       Company Financial Statements.  Except as set forth in
Section 3.5 of the Company Disclosure Letter, the unaudited consolidated interim
financial statements for the Company (the "Company

                                       13

<PAGE>



Financial  Statements")  (including any related notes and schedules) included in
its  Quarterly  Report on Form 10-Q for the quarter  ended  September  30, 1997,
fairly present,  in conformity  with generally  accepted  accounting  principles
("GAAP")  applied on a consistent basis (except as may be indicated in the notes
thereto),  the  consolidated  financial  position of the Sellers as of the dates
thereof and the  consolidated  results of their  operations and changes in their
financial  position for the periods then ended (subject only to recurring normal
year-end adjustments which are not expected to be material in amount).

         Section 3.6 Absence of Certain Changes;  Events Subsequent to Filing of
Petitions.  Except as set forth in Section 3.6 of the Company  Disclosure Letter
or in the Company SEC Reports, since September 30, 1997, there has been no event
or  condition  that has had (or is  reasonably  likely to  result  in) a Company
Material  Adverse  Effect  other than the filing of the Chapter 11 Cases and the
Sellers have in all material respects conducted their businesses in the ordinary
course of business  consistent  with past practice and have not taken any action
since such date that, if taken after the date hereof,  would violate Section 5.1
hereof. Since the Petition Date, (i) the Sellers have conducted their respective
businesses  and affairs in accordance  with the  requirements  of the Bankruptcy
Code and (ii) all acts or omissions of the Sellers  outside the ordinary  course
of business have been described in Section 3.6 of the Company Disclosure Letter.

         Section 3.7 Litigation. Except as disclosed in the notes to the Company
Financial  Statements  or as set forth in Section 3.7 of the Company  Disclosure
Letter, there is no suit, action, proceeding or investigation (whether at law or
equity, before or by any federal, state or foreign commission,  court, tribunal,
board, agency or  instrumentality,  or before any arbitrator) pending or, to the
best knowledge of the Company,  threatened against or affecting the Sellers, the
outcome  of  which,  in the  reasonable  judgment  of  the  Company,  is  likely
individually or in the aggregate to have a Company Material Adverse Effect,  nor
is  there  any  judgment,  decree,  injunction,  rule  or  order  of any  court,
governmental  department,  commission,  agency,  instrumentality  or  arbitrator
outstanding  against the Sellers  having,  or that insofar as can  reasonably be
foreseen in the future may have, a Company Material Adverse Effect.  None of the
matters disclosed in the notes to the Company Financial  Statements or set forth
in  Section  3.7 of the  Company  Disclosure  Letter  is a  claim  for  personal
injuries.

         Section  3.8  Absence  of  Undisclosed  Liabilities.   Except  for  (i)
liabilities or obligations  accrued or reserved against in the Company Financial
Statements  (or  reflected  in  the  notes  thereto)  and  (ii)  liabilities  or
obligations  disclosed  in Section 3.8 of the  Company  Disclosure  Letter,  the
Sellers do not have any liabilities or obligations  (whether absolute,  accrued,
contingent or otherwise,  asserted or unasserted, known or unknown) which singly
or in the aggregate  constitute or are reasonably  likely to result in a Company
Material Adverse

                                       14

<PAGE>



Effect.

         Section  3.9 No  Default.  Except  as set forth in  Section  3.9 of the
Company  Disclosure  Letter,  no Seller is in violation or breach of, or default
under (and no event has  occurred  that with notice or the lapse of time or both
would  constitute  a  violation  or breach  of, or a  default  under)  any term,
condition or provision of (a) its articles or certificate of  incorporation,  as
the case may be,  or  bylaws,  (b) any  note,  bond,  mortgage,  deed of  trust,
security interest,  indenture, license, agreement, plan, Contract (including any
Assumed  Contracts)  or other  instrument  or  obligation to which a Seller is a
party or by which a Seller's properties or assets may be bound or affected,  (c)
any order, writ, injunction, decree, statute, rule or regulation applicable to a
Seller or a Seller's  properties or assets,  or (d) any Company Permit necessary
for a Seller to conduct its business as currently conducted,  except in the case
of clauses (b), (c) and (d) above for breaches,  defaults or violations that (i)
would not  individually  or in the  aggregate  have a Company  Material  Adverse
Effect or (ii) are  excused  by or  unenforceable  as a result  of the  Sellers'
filing of the Petitions.

         Section 3.10 No  Violation of Law.  Except as disclosed in Section 3.10
of the Company Disclosure Letter or the Company Financial Statements,  no Seller
is in violation  of, or has been given notice or been charged with any violation
of, any law, statute, order, rule, regulation, ordinance or judgment (including,
without limitation,  any applicable  environmental law, ordinance or regulation)
of any  governmental  or regulatory  body or authority,  except for  violations,
which,  individually  or in the  aggregate,  could not reasonably be expected to
have a Company Material  Adverse Effect.  Except as disclosed in Section 3.10 of
the Company  Disclosure  Letter or the Company Financial  Statements,  as of the
date of this  Agreement,  no  investigation  or  review by any  governmental  or
regulatory  body or  authority  is  pending  or,  to the best  knowledge  of the
Company,  threatened,  nor has any  governmental or regulatory body or authority
indicated an intention to conduct the same,  other than, in each case, those the
outcome of which, as far as reasonably can be foreseen,  will not have a Company
Material Adverse Effect, and the Sellers have all permits, licenses, franchises,
variances,  exemptions, orders and other governmental authorizations,  consents,
and  approvals  necessary to conduct their  businesses  as presently  conducted,
including  without  limitation all  interexchange  carrier ("IXC"),  competitive
access  provider,  and local  exchange  carrier  ("LEC")  or  competitive  local
exchange  carrier  ("CLEC")  approvals  required in connection with the Business
(collectively, the "Company Permits"), except for permits, licenses, franchises,
variances,  exemptions,  orders,  authorizations,  consents  and  approvals  the
absence of which,  individually  or in the  aggregate,  would not have a Company
Material  Adverse  Effect.  The Sellers are not in violation of the terms of any
Company  Permit,  except for delays in filing reports or violations,  which,  in
either case, individually or in the aggregate, would not have a Company Material
Adverse Effect.

                                       15

<PAGE>



         Section 3.11      Taxes.  Except as set forth in Section 3.11 of the
Company Disclosure Letter:
                          
                  (a) the  Sellers  have (i) duly filed (or there has been filed
on their behalf) with the appropriate  governmental  authorities all Tax Returns
required to be filed by them and all such Tax Returns are  complete and accurate
in all  material  respects  and (ii)  duly paid in full (or made  provision  for
payment in full in accordance  with GAAP or there has been paid or provision has
been made on their behalf) all Taxes owed by any of the Sellers  (whether or not
shown on any Tax  Return),  except  in each of  clause  (i) and (ii)  where  the
failure  to file Tax  Returns  or pay Taxes  would  not have a Company  Material
Adverse Effect; and

                  (b) the Tax Returns that have been filed have been  accurately
prepared and have been duly and timely filed.  None of Sellers'  federal  income
tax  returns has been  audited by the  Internal  Revenue  Service for any fiscal
year. There are no agreements,  waivers or other  arrangements  providing for an
extension  of time with  respect to the filing of any Tax Return,  or payment of
any Tax, governmental charge or assessment or deficiency,  by Sellers; and there
are no actions, suits,  proceedings,  investigations or claims now threatened or
pending  against  any  Seller in  respect  of  Taxes,  governmental  charges  or
assessments,  or any matter under  discussion  with any  governmental  authority
relating  to Taxes,  governmental  charges or  assessments  asserted by any such
authority.

         Section 3.12      Title and Condition to Property.

                  (a)  Except as set forth in  Section  3.12(a)  of the  Company
Disclosure Letter and except for matters that would not,  individually or in the
aggregate,  reasonably  be  expected  to  constitute  or give  rise to a Company
Material Adverse Effect:

                           (i) the  Sellers  have  good and  valid  title to the
         Assets free and clear of all  Encumbrances  and all such Assets will be
         conveyed to the Purchaser on the Closing Date in good working condition
         and free and clear of any and all mortgages,  pledges,  liens, charges,
         encumbrances,   defects,  judgments,   abstracts,  security  interests,
         claims,   options  and   restrictions   of  all  kinds   (collectively,
         "Encumbrances");

                           (ii) all real estate or equipment  or other  tangible
         personal  property  constituting any part of the Assets that is used or
         held  by  the  Sellers  pursuant  to any  lease  or  other  contractual
         arrangement   other  than  by  ownership  is   designated   in  Section
         3.12(a)(ii)  of  the  Company  Disclosure  Letter,  and no  Seller  has
         incurred any  liability  which could  result in a  mechanic's  or other
         similar lien

                                       16

<PAGE>



         being filed against any such real estate, equipment or other property;

                           (iii) Sellers have valid  leasehold  interests in, or
         have other valid  contractual  rights to use,  all of the Assets  being
         acquired  by  Purchaser  hereunder  of the type  described  in  Section
         3.12(a)(ii);

                           (iv)   Sellers  are  in  peaceful   and   undisturbed
         possession of the space or estate under the leases or other  agreements
         under which they are tenants or  entitled  to use the  properties  of a
         type described in Section 3.12(a)(ii);

                           (v) As to all properties  being acquired by Purchaser
         hereunder of the type described in Section  3.12(a)(ii)  above,  either
         (A) Sellers are in no respect in default or  delinquent  in  performing
         their  obligations  under such leases or other  agreements,  or (B) any
         such default or delinquency  will be fully cured,  or otherwise may not
         be asserted against  Purchaser or the Assets,  as a result of the entry
         by the Bankruptcy  Court of the 363 Order and the 365 Order,  such that
         Sellers' rights in and under all such leases or other  agreements shall
         vest in Purchaser upon the Closing without reversion or diminution; and

                           (vi)  Sellers  have good and valid  rights of ingress
         and  egress to and from all the real  property  owned or leased by them
         and  constituting  part of the Assets being sold from and to the public
         street systems for all usual street, road, and utility purposes.

                  (b) The Assets include, without limitation,  all real property
interests and related  rights and interests and all personal  property and other
assets and rights of any kind,  both tangible and  intangible,  that are, either
individually or in the aggregate,  material to the conduct of the Business as it
was conducted by the Sellers for the sixty (60) day period prior to the Petition
Date. The Assets, both tangible and intangible,  whether owned or leased, are in
normal  operating  condition and repair  (reasonable wear and tear excepted) and
are suitable for the purposes for which they are presently  being used, and such
Assets conform to all applicable laws, ordinances and regulations.

         Section 3.13      Certain Regulatory Matters.

                  (a)  Except as  disclosed  in Section  3.13(a) of the  Company
Disclosure Letter, and except for billing disputes with Customers arising in the
ordinary course of business that involve in the aggregate an

                                       17

<PAGE>



amount  less  than  $100,000,  there  are no  proceedings  or,  to the  Sellers'
knowledge,  investigations  pending or threatened before any domestic or foreign
court or any administrative,  governmental or regulatory body (including without
limitation  those in which any of the  following  matters  is being  considered)
which could  reasonably be expected to have a Company  Material  Adverse Effect,
nor has any  Seller  received  written  notice or  inquiry  from any such  body,
government  official,  consumer advocacy or similar  organization or any private
party indicating that any of such matters should be considered or may become the
subject of consideration or investigation which individually or in the aggregate
could  reasonably be expected to have a Company  Material  Adverse  Effect:  (i)
reduction of rates  charged to  Customers;  (ii)  refunds of amounts  previously
charged to Customers; (iii) failure to meet any expense, infrastructure, service
quality   or  other   commitments   previously   made  to  or   imposed  by  any
administrative,  governmental or regulatory body; or (iv) unauthorized switching
of Customers (a/k/a "slamming") or inappropriate billing of Customers.

                  (b)  Except as  disclosed  in Section  3.13(b) of the  Company
Disclosure  Letter,  no  Seller  has any  outstanding  commitments  (and no such
obligations have been imposed upon any Seller and remain outstanding) regarding:
(i) reduction of rates charged to Customers;  (ii) refunds of amounts previously
charged to Customers; or (iii) expenses,  infrastructure  expenditures,  service
quality or other regulatory requirements to or by any domestic or foreign court,
administrative,  governmental or regulatory body, government official,  consumer
advocacy  or similar  organization,  in each case which  individually  or in the
aggregate  could  reasonably  be  expected  to have a Company  Material  Adverse
Effect.

                  (c) No  Seller  has  transferred,  sold any  interest  in,  or
otherwise  diluted its control  over any federal or state  regulatory  licenses,
certificates, approvals or other authorizations under which it operates, and the
transfer of such  licenses,  certificates,  approvals and other  authorizations,
subject to regulatory  approval,  would not violate the terms of any Contract to
which any Seller is a party or by which  such  Seller is bound,  or impinge  the
rights of any third party, except as disclosed in Section 3.13(c) of the Company
Disclosure Letter.

         Section  3.14  Brokers.  Except  as set  forth in  Section  3.14 of the
Company  Disclosure  Letter,  no person is entitled to any brokerage,  financial
advisory, finder's or similar fee or commission payable by any of the Sellers in
connection  with the  transactions  contemplated  by this  Agreement  based upon
arrangements made by or on behalf of the Sellers.

         Section 3.15      Contracts.  Section 3.15 of the Company Disclosure 
Letter  contains a complete and accurate  list of all  Contracts  related to the
Business or by which any of the Assets is subject or bound including

                                       18

<PAGE>



without limitation those meeting any of the descriptions set forth below:

                  (a) any lease for switches or any other  machinery,  equipment
or other personal  property  involving payment of aggregate rentals in excess of
five thousand dollars ($5,000);

                  (b) any Contract for the purchase of any materials or supplies
or services in excess of five thousand dollars ($5,000) except those incurred in
the ordinary course of business and having a term of one year or less;

                  (c)  any  Contract  for  the  purchase  of  equipment  or  any
construction or other similar  agreement  involving any expenditure in excess of
five thousand dollars ($5,000);

                  (d) any purchase order, agreement or commitment obligating the
Sellers to sell or deliver any  products  or services  (i) at a price which does
not cover the cost (including labor, materials and production overhead) plus the
customary  profit margin  associated  with such product or service;  or (ii) for
more than five thousand dollars ($5,000) to any one Customer or related group of
Customers;

                  (e) any  instrument  evidencing  or related  to  indebtedness,
obligation  or liability for borrowed  money  (irrespective  of amount),  or any
liability for the deferred  purchase price of property  (excluding  normal trade
payables  arising out of the ordinary  course of  business),  or any  instrument
guaranteeing  any  indebtedness,  obligation or liability,  or any obligation to
incur any indebtedness, obligation or liability, none of which shall be included
among the Assumed Contracts;

                  (f)  any  joint  venture,  partnership  or  other  cooperative
arrangement or any other agreement involving a sharing of profits with any other
Person;

                  (g)   any   sales   agency,   brokerage,   license,   royalty,
distribution  or similar  contract,  as well as a listing of all  agreements  or
relationships  with  any  distributor,  designer,  consultant,  agent  or  other
representative anywhere, who is entitled to fees, commissions,  royalties or any
other  payments,  for the right to manufacture,  design,  sell or distribute any
products currently manufactured, designed, sold or distributed by the Sellers;

                  (h) any deed, lease, agreement or other instrument pursuant to
which the Sellers  derive their right,  title and interest in or to any material
portions of their real properties or to any material rights of

                                       19

<PAGE>



way or other means of access to their real properties;

                  (i) any employment,  consulting or similar Contract; any sales
or commission agent Contract;  any Employee Benefit Plans; and any other written
plan, Contract or policy for officers, directors,  consultants or employees with
respect to  salaries,  insurance,  bonuses,  incentive  compensation,  pensions,
deferred  compensation,  hospitalization,  retirement payments,  profit sharing,
paid vacations or other benefits;

                  (j)      any Contract with any labor union;

                  (k) any Contract  which requires the consent of any Person not
a party hereto for the  consummation  of the  transactions  contemplated by this
Agreement;

                  (l) any  Contract  upon which the  Business  of the Sellers is
materially dependent including without limitation licenses or leases for the use
of  software  programs  and  databases  used  for  Customer  billing  or  switch
operations;

                  (m) any Contract  pursuant to which Sellers have access to the
telephone or other  communications  network  (whether  voice,  data or video) of
another  Person and any  contracts  for the resale of any  network  capacity  of
Sellers; and

                  (n) any other  Contract  related to the  Business  (other than
Contracts  excluded  by an express  exception  from the  descriptions  set forth
above)  which (i) provides for payment or  performance  by either party  thereto
having an  aggregate  value of five  thousand  dollars  ($5,000) or more or (ii)
otherwise is or could reasonably be expected to be material to the Business.

True and complete copies of each such written Contract (or written  summaries of
the terms of any such oral  Contract) have been or will be made available to the
Purchaser (i) with respect to all Contracts  deemed  material to the Business by
the Company, on or prior to 5:00 P.M., New York time, Friday, December 12, 1997,
and (ii) with respect to all other Contracts, on or prior to 5:00 P.M., New York
time,  Monday,  December  15,  1997.  Except as set forth in Section 3.15 of the
Company Disclosure Letter, all of the Contracts are in full force and effect, no
defaults  on the part of any Seller or, to the  knowledge  of the  Sellers,  any
other party  thereto  exist under any of the  Contracts and the Sellers have not
received  notice,  nor do they otherwise have  knowledge,  that any party to any
such Contract intends to cancel,  terminate, or refuse to renew such Contract or
to exercise or decline to exercise  any option or right  thereunder.  Sellers do
not have any reason to expect that any material

                                       20

<PAGE>



change  will  occur  (whether  as a  result  of the  sale of the  Assets  to the
Purchaser or  otherwise)  in the goodwill or  relationships  of the Sellers with
their Customers or suppliers,  or in the level of their Customer accounts,  that
would have, individually or in the aggregate, a Company Material Adverse Effect.

         Section 3.16      Intellectual Property and Other Intangible Property.

                  (a) Section 3.16 of the Company Disclosure Letter sets forth a
complete and correct list of all of Sellers' material Intellectual Property used
in the  Business.  Sellers  own or have the right to use,  pursuant  to license,
sublicense,  Contract or permission,  all of the Intellectual Property and other
intangible assets  materially  necessary for the operation of the Business as it
is currently being conducted. Sellers have provided the Purchaser with access to
copies  of any of the  Intellectual  Property  as  requested  by the  Purchaser.
Section 3.16(a) of the Company Disclosure Letter separately identifies each item
of Intellectual Property that any third party owns and that Sellers use pursuant
to license,  sublicense,  Contract or permission and describes such relationship
and lists such third party. Sellers have supplied the Purchaser with correct and
complete copies of all such licenses, sublicenses, Contracts and permissions (as
amended to date), and all of the  Intellectual  Property will be assigned to the
Purchaser at Closing.

                  (b)  Except as set forth in  Section  3.16(b)  of the  Company
Disclosure Letter, (i) no proceedings have been instituted, nor to the knowledge
of Sellers are any pending or threatened,  which challenge any rights in respect
of the Intellectual  Property or any other intangible property of Sellers or the
validity thereof;  (ii) Sellers' use of any such rights and the operation of the
Business as it is currently  conducted  does not infringe upon the  Intellectual
Property or other  proprietary  rights of any Person,  nor to the  knowledge  of
Sellers do any facts exist which  indicate a likelihood of any  infringement  or
misappropriation  by, or conflict  with, any Person with respect to such rights;
(iii) Sellers have not infringed upon,  misappropriated or otherwise  conflicted
with any  proprietary  rights of any Persons,  nor are Sellers aware of any such
infringement,  misappropriation  or conflict which will occur as a result of the
transactions  contemplated  herein; and (iv) each item of Intellectual  Property
and any other intangible  property owned or used by Sellers immediately prior to
the Closing  hereunder  will be owned or available  for use by the  Purchaser on
identical terms and conditions immediately subsequent to the Closing hereunder.

         Section 3.17      Employee Plans; Labor Matters. Except as set forth in
Section 3.17 of the Company Disclosure Letter:

                  (a)      The Sellers do not maintain any "employee benefit
plans" and "employee welfare

                                       21

<PAGE>



plans," as defined in Sections  3(1) and 3(3) of ERISA and have not  maintained,
contributed  to,  been  required  to  contribute  to,  or been a  party  to or a
participating  employer in, any "employee  pension  benefit plan," as defined in
Section 3(2) of ERISA, including any multiemployer employee pension benefit plan
(the "Employee  Benefit  Plans").  The Sellers are not parties to any collective
bargaining or other labor agreements.

                  (b) The Employee Benefit Plans (i) are qualified to the extent
required  by law under  Section 401 of the  Internal  Revenue  Code of 1986,  as
amended and to the best  knowledge  of Sellers  there exists no fact which would
adversely  affect the qualified  status of any such Employee  Benefit Plan; (ii)
have been operated and administered in all material  respects in accordance with
ERISA,  the Internal  Revenue Code and all other  applicable law; (iii) have not
engaged in any  transactions  (as such term is defined for purposes of ERISA and
the Internal  Revenue Code);  (iv) have not, since the last annual report filed,
been amended so as to materially  increase benefits  thereunder or experienced a
material  increase  (more  than  20%)  in the  number  of  participants  covered
thereunder;  and (v) if  terminated  on the date hereof,  would not give rise to
liability under Title IV of ERISA.

                  (c)  Each  Seller,   at  all  times,  has  complied  with  all
applicable  provisions  of the  Employee  Benefit  Plans  and is not in  default
thereunder.  Full  payment  has been made of all  amounts  which  any  Seller is
required  to pay  under  the terms of each of the  Employee  Benefit  Plans as a
contribution or premium to or in respect of such plans as of the last day of the
most recent fiscal year of each of the Employee Benefit Plans ended prior to the
date of this Agreement, any such contribution has been accrued as a liability on
the books of the Sellers and none of the  Employee  Benefit  Plans nor any trust
established  thereunder has incurred any  "accumulated  funding  deficiency" (as
defined in Section 302 of ERISA and Section 412 of the Internal  Revenue  Code),
whether or not waived with respect to the most recent fiscal year of each of the
Employee Benefit Plans ended prior to the date of this Agreement.

                  (d)  There  are  no  pending,   anticipated  or,  to  Sellers'
knowledge,  threatened claims against or otherwise involving any of the Employee
Benefit  Plans,  or any fiduciary  thereof,  by or on behalf of such plans,  any
employee or beneficiary covered under the plans or otherwise involving the plans
(other  than  routine  claims  for  benefits).  There  is no  judgment,  decree,
injunction, rule or order of any court, governmental body, commission, agency or
arbitrator outstanding against or in favor of any plan or any fiduciary thereof.

                  (e) None of the Sellers has ever experienced a strike or other
similar  collective labor dispute.  The Sellers'  relations with their employees
are satisfactory.


                                       22

<PAGE>



         Section 3.18 Environmental  Matters;  Health and Safety and Other Laws.
The Sellers are, and on the Closing  Date will be, in material  compliance  with
all federal,  state and local laws,  regulations,  permits,  orders and decrees,
including  those relating to protection of the  environment  and employee health
and safety  ("Applicable  Requirements").  The  Sellers  have not  received  any
written notice to the effect that their  operations  are not in compliance  with
any  of  the  Applicable   Requirements  or  the  subject  of  any  governmental
investigation  evaluating  whether any remedial action is needed to respond to a
release of any toxic or hazardous waste or other substance  (including petroleum
products)  into the  environment  and no Seller  knows of any facts  which could
constitute the basis for any thereof.

         Section 3.19 Records. The books and records, correspondence, employment
records and files of or relating to the Business and the Assets (including those
items to be conveyed to the  Purchaser  pursuant to Section  1.1(n)) are, and on
the Closing Date will be,  complete and correct in all  material  respects,  and
there have been, and will be, no material  transactions which are required to be
set forth therein which have not been so set forth.

         Section 3.20 Disclosure.  The representations and warranties of Sellers
contained in this Agreement,  the Company Disclosure Letter, each exhibit,  each
schedule and certificate or other written statement  delivered  pursuant to this
Agreement  or in  connection  with  the  transactions  contemplated  herein  are
accurate,  correct and  complete in all  material  respects,  do not contain any
untrue  statement of a material fact or, in light of the  circumstances in which
made,  omit to state a material fact  necessary in order to make the  statements
and information  contained  herein or therein not misleading.  As of the date on
which the Due Diligence  Period expires and as of the Closing Date, any material
information  necessary  to  enable  Purchaser  to  make an  informed  investment
decision as to whether to purchase the Assets and Assumed  Contracts  and assume
the  Assumed  Liabilities  and any fact known to the  Sellers  that could have a
Company  Material  Adverse  Effect  will  have  been set  forth  in the  Company
Financial  Statements or in this  Agreement,  including  the Company  Disclosure
Letter. Any furnishing of information to the Purchaser or WinStar by the Sellers
pursuant to, or otherwise in connection with, this Agreement, including, without
limitation, any information contained in any document,  Contract, book or record
of the  Sellers  to which the  Purchaser  or WinStar  shall  have  access or any
information  obtained by, or made  available  to, the  Purchaser or WinStar as a
result of any  investigation  made by or on behalf of the  Purchaser  or WinStar
prior to or after the date of this  Agreement  shall not affect the  Purchaser's
and  WinStar's  right  to  rely on any  representation,  warranty,  covenant  or
agreement  made or deemed made by the Sellers in this Agreement and shall not be
deemed a waiver thereof.

         Section 3.21      SEC Filings.  Except as set forth in Section 3.21 of
the Company Disclosure Letter,
                          
                                                        23

<PAGE>



the Company has filed all forms, reports and documents required to be filed with
the SEC since December 31, 1994 and has made available to WinStar (i) its Annual
Reports on Form 10-K for the fiscal years ended December 31, 1995 and 1996, (ii)
its  Quarterly  Reports on Form 10-Q for the  quarterly  periods ended March 31,
1997, June 30, 1997 and September 30, 1997, (iii) all proxy statements  relating
to the Company's meetings of stockholders (whether annual or special) held since
December 31, 1995, (iv) all other reports or registration statements (other than
Reports on Form 10-Q not  referred  to in clause (ii) above filed by the Company
with the SEC since  December  31,  1994,  and (v) all  amendments,  supplements,
exhibits  and  documents  incorporated  by  reference  to all such  reports  and
registration  statements  filed by the Company with the SEC  (collectively,  the
"Company  SEC  Reports").  Except as  disclosed  in Section  3.21 of the Company
Disclosure  Letter,  the Company's SEC Reports (i) were prepared in  accordance,
and complied as of their  respective  dates in all material  respects,  with the
requirements of the Exchange Act and the Securities Act, and (ii) did not at the
time they were filed (or if amended or  superseded by a filing prior to the date
of this Agreement, then on the date of such filing) contain any untrue statement
of a  material  fact or omit to state a  material  fact  required  to be  stated
therein or necessary in order to make the  statements  therein,  in the light of
the  circumstances  under which they were made, not misleading and the financial
statements  included  in the Annual  Reports  on Form 10-K for the fiscal  years
ended  December 31, 1995 and 1996 were  prepared in  accordance  with  generally
accepted  accounting  principles   consistently  applied  and  were  audited  in
accordance with generally  accepted  auditing  standards.  The Company has filed
with the SEC as exhibits to the  Company SEC Reports all  agreements,  contracts
and other  documents or instruments  required to be so filed,  and such exhibits
are  correct  and  complete  copies  of such  agreements,  contracts  and  other
documents or  instruments.  None of the Seller  Subsidiaries is required to file
any forms, reports or other documents with the SEC.

         Section  3.22 Motion to Extend  Time.  Sellers have filed a motion with
the Bankruptcy  Court seeking to extend Seller's time to assume or reject leases
of non-residential  real property through and including the date of confirmation
of Sellers' plan or plans of reorganization.

         Section  3.23 LOAs.  The Sellers  have in their  possession  or that of
their agents or other representatives  executed originals of all LOAs, MLOAs and
TLAs executed by Customers  and others on or after January 1, 1997,  which shall
be delivered to the Purchaser at the Closing.


                                       24

<PAGE>



                                   ARTICLE IV

           REPRESENTATIONS AND WARRANTIES OF THE PURCHASER AND WINSTAR

         Except as  otherwise  disclosed  to the  Sellers in a schedule  annexed
hereto  (which  schedule  contains   appropriate   references  to  identify  the
representations  and warranties herein to which the information in such schedule
relates) (the "Purchaser Disclosure Letter"), the Purchaser and WinStar, jointly
and severally, represent and warrant to the Sellers as follows:

         Section  4.1  Organization.   The  Purchaser  and  WinStar  each  is  a
corporation  validly  existing  and in  good  standing  under  the  laws  of its
jurisdiction of incorporation  and has the corporate power and authority and all
necessary  governmental  approvals to own, lease, and operate its properties and
to carry on its business as it is now being  conducted or presently  proposed to
be conducted.

         Section 4.2  Authority  Relative to this  Agreement.  The Purchaser and
WinStar each has the corporate  power and authority to enter into this Agreement
and to  carry  out its  obligations  hereunder.  The  execution,  delivery,  and
performance of this Agreement by the Purchaser and WinStar and the  consummation
by the Purchaser and WinStar of the transactions  contemplated  hereby have been
duly authorized by all requisite corporate actions. This Agreement has been duly
and validly  executed and  delivered by the  Purchaser and WinStar and (assuming
this  Agreement  constitutes  a valid and  binding  obligation  of the  Sellers)
constitutes a valid and binding  agreement of each of the Purchaser and WinStar,
enforceable  against each of the Purchaser  and WinStar in  accordance  with its
terms, subject to applicable bankruptcy, reorganization, insolvency, moratorium,
and other laws affecting creditors' rights generally from time to time in effect
and to general equitable principles. The Purchaser and WinStar have delivered to
the Sellers true, accurate, and complete copies of their articles or certificate
of  incorporation,  as the case may be,  and  by-laws,  as in effect on the date
hereof, including all amendments thereto.

         Section  4.3  Consents  and  Approvals.   No  consent,   approval,   or
authorization of, or declaration, filing or registration with, any United States
or foreign federal, state, county, municipal or other governmental or regulatory
authority or other Person is required to be made or obtained by the Purchaser or
WinStar in connection  with the  execution,  delivery,  and  performance of this
Agreement and the consummation of the transactions  contemplated hereby,  except
for  consents,   approvals,   authorizations,   declarations,   or  filings,  or
registrations,  which,  if  not  obtained,  would  not,  individually  or in the
aggregate,  materially  impair the  ability  of the  Purchaser  to  perform  its
obligations hereunder or to consummate the transactions contemplated hereby

                                       25

<PAGE>



(a "Purchaser Material Adverse Effect").

         Section  4.4 No  Violations.  Assuming  that the  consents,  approvals,
authorizations,  declarations,  and filings referred to in Section 4.3 have been
made or  obtained  and  shall  remain  in full  force and  effect,  neither  the
execution,  delivery or  performance  of this  Agreement  by the  Purchaser  and
WinStar,  nor the  consummation by the Purchaser and WinStar of the transactions
contemplated hereby, nor compliance by the Purchaser and WinStar with any of the
provisions  hereof,  will (a)  conflict  with or  result  in any  breach  of any
provisions of the articles or certificate of incorporation,  as the case may be,
or bylaws of the  Purchaser or WinStar,  (b) result in a violation or breach of,
or  constitute  (with or without due notice or lapse of time) a default (or give
rise to any right of termination, cancellation,  acceleration, vesting, payment,
exercise,  suspension,  or revocation)  under any of the terms,  conditions,  or
provisions  of any  note,  bond,  mortgage,  deed of trust,  security  interest,
indenture, license, contract, agreement, plan, or other instrument or obligation
to which  the  Purchaser  or  WinStar  is a party or by which the  Purchaser  or
WinStar or the  Purchaser's  or WinStar's  properties  or assets may be bound or
affected,  (c) violate any order, writ,  injunction,  decree,  statute, rule, or
regulation  applicable  to  the  Purchaser  or  WinStar  or the  Purchaser's  or
WinStar's  properties or assets, (d) result in the creation or imposition of any
Encumbrance  on any  asset  of the  Purchaser  or  WinStar,  or  (e)  cause  the
suspension  or revocation of any permit,  license,  governmental  authorization,
consent,  or  approval  necessary  for the  Purchaser  or WinStar to conduct its
business as currently  conducted,  except in the case of clauses (b),  (c), (d),
and  (e)  for  violations,  breaches,  defaults,  terminations,   cancellations,
accelerations,  creations,  impositions,  suspensions, or revocations that would
not individually or in the aggregate have a Purchaser Material Adverse Effect or
except as set forth in Section 4.4 of the Purchaser Disclosure Letter.

                                    ARTICLE V

                                    COVENANTS

         Section 5.1     Conduct of Business by the Sellers Pending the Closing.

                  (a)  Subject to any  obligations  or  fiduciary  duties of any
Seller as a debtor or debtor-in  possession under the Bankruptcy Code, or to any
order of the Bankruptcy Court not sought by the Sellers, the Sellers shall, from
the date hereof until the Closing Date, conduct their businesses in the ordinary
course of business consistent with past practice, including, without limitation,
meeting their obligations as they become due and fulfilling their commitments to
Customers.  The Sellers shall also  preserve  intact their  respective  business
organizations  and the level of their  Customers  accounts,  keep  available the
services of those of their

                                       26

<PAGE>



officers,  employees and  consultants who are integral to the operation of their
businesses as presently conducted and preserve their present  relationships with
significant  Customers,  significant  suppliers and with other persons with whom
they have significant business relations.  In connection therewith,  and without
limiting the applicability of any other provisions hereof, the Sellers shall use
their best efforts to (i) continue to operate the Sellers'  call centers used in
the conduct of the Business, (ii) maintain a level of Customer service for their
Customers and a call completion  percentage  consistent with industry standards,
and (iii) preserve intact and continue to conduct marketing and sales activities
and operations  consistent with the level of those  activities and operations as
conducted immediately prior to the Petition Date. Except to the extent necessary
to comply with the  requirements of applicable laws and  regulations,  no Seller
shall (i) take,  or agree or commit to take,  any  action  that  would  make any
representation or warranty of the Sellers  hereunder  inaccurate in any material
respect at, or as of any time prior to, the Closing Date, (ii) omit, or agree or
commit to omit, to take any action necessary to prevent any such  representation
or warranty from being  inaccurate in any material  respect on the Closing Date,
or (iii) take, or agree or commit to take, or omit or agree to omit,  any action
that  would  result  in,  or is  reasonably  likely  to  result  in,  any of the
conditions set forth in Article VIII not being satisfied.

                  (b) After the  expiration  of the Due  Diligence  Period,  (i)
without the consent of WinStar,  which shall not be unreasonably  withheld,  the
Sellers shall not make any public announcement of the transactions  contemplated
by this Agreement to its Customers or otherwise,  except after the expiration of
the Due  Diligence  Period  as  provided  in  Sections  5.2 and  5.6;  (ii)  all
activities  of the Sellers  (other  than  routine  communications  which are not
reasonably  expected to  adversely  affect the Business and which do not discuss
the transactions contemplated by this Agreement) with their Customers,  carriers
and regulatory  authorities shall be subject to the prior review and approval of
WinStar;  (iii) without the consent of WinStar, the Sellers shall not compromise
or otherwise discount or write off any of their accounts  receivable,  except in
accordance  with procedures and amounts to be established  from  time-to-time by
WinStar;   and  (iv)  the  Sellers  shall  provide  weekly  reports  to  WinStar
summarizing their activities with Customers and describing their activities with
carriers and regulatory  authorities and shall submit all regulatory  filings to
WinStar  for prior  approval.  If the  Agreement  is not  terminated  by WinStar
pursuant  to Section  9.5,  WinStar  and the  Company  each shall  issue a press
release  in the  respective  forms  of  Exhibits  A and B hereto  promptly  upon
expiration of the Due Diligence Period.

         Section 5.2  Acquisition  Proposal  Procedures.  The  Purchaser and the
Sellers  acknowledge  that this  Agreement  is the  culmination  of an extensive
process undertaken by the Sellers to identify and negotiate a transaction with a
bidder who was  prepared  to pay the  highest  and best  purchase  price for the
assets  of  the  Sellers  while  assuming  or  otherwise   satisfying   relevant
liabilities in order to maximize value for the Sellers'

                                       27

<PAGE>



constituents.  The parties also acknowledge that, under the Bankruptcy Code, the
Sellers  must take  reasonable  steps to  demonstrate  that they have  sought to
obtain the highest and best price  possible for the Assets,  including,  but not
limited to, giving notice of the transactions  contemplated by this Agreement to
creditors  and other  interested  parties as ordered  by the  Bankruptcy  Court,
providing  information  about the  Business to  responsible  bidders  subject to
appropriate  confidentiality  agreements,  entertaining higher and better offers
from  responsible  bidders,  and,  if  necessary,   conducting  an  auction.  To
facilitate the foregoing,  the Sellers shall,  within one Business Day after the
expiration of the Due Diligence Period, seek the entry of an order (the "Overbid
Procedures  Order")  providing  for  procedures  substantially  similar  to  the
following procedures:

                  (a)  The  Sellers  shall  give  notice  of  the   transactions
contemplated  by this  Agreement and of the auction  procedure  described in (b)
below to all Persons to whom  Sellers  sent notice of the fact the Sellers  were
seeking to sell some or all of their  assets and to such  other  Persons  and in
such manner as the Bankruptcy  Court shall direct.  Sellers may inform potential
bidders only of the name and telephone  number of other  potential  bidders that
have  contacted  Sellers and indicated an interest in purchasing  all or some of
the Assets without disclosing any other information.

                  (b) At 10:00 a.m.,  E.S.T.,  on the second Business Day before
the date set for  hearing on the motion for  approval of this  transaction  (the
"363 Hearing"),  Sellers shall hold an auction at the Detroit offices of counsel
for the Sellers. In order for a Person or group of Persons to make a bid at such
auction, it or they shall provide to Sellers (i) appropriate  evidence of its or
their financial  ability to consummate the  transactions  contemplated by its or
their bid on or prior to the  Closing  Date and (ii) a  certified  or bank check
payable to the  Company,  on behalf of all of the  Sellers,  as a deposit in the
amount of 10% of its or their Overbid.  The procedure at the auction shall be as
follows:  Sellers shall first ask all Persons other than the Purchaser to submit
in writing  their bids to  purchase  the  Assets  pursuant  to the terms of this
Agreement.  Sellers,  in consultation with the Committee,  shall,  within thirty
minutes,  determine  whether  there is an all cash  bid or  combination  of bids
(collectively,  an  "Overbid")  for the Assets of not less than $1.4  million in
excess of the sum of the  Purchase  Price and the  amounts  payable  pursuant to
Section 9.7(b) hereof,  after  consideration  of all adjustments and liabilities
being assumed,  which bid or bids Sellers wish to accept.  If Sellers  determine
there is such an Overbid,  Sellers shall announce the amount of such Overbid and
the names of the bidder or  bidders.  Sellers  shall then ask  whether any other
Person wishes to make a further bid, which must be at least $1 million more than
the then  announced  Overbid.  If a Person makes such a bid,  the auction  shall
continue in the same manner  until  there is no further bid (or  combination  of
bids) topping the previous bid (or  combination of bids) by at least $1 million.
At such  time as there is no  further  bidding,  the  Sellers  shall  offer  the
Purchaser  the right,  exercisable  for a period of four  hours,  to acquire the
Assets for the amount of the

                                       28

<PAGE>



highest bid,  upon the terms and  conditions  hereof,  except that the Purchaser
shall receive a credit from the Sellers  toward the Purchase Price in the amount
of $2.9 million. The Purchaser or the highest bidder (or combination of bidders)
shall be the successful purchaser(s),  subject to the approval of the Bankruptcy
Court at the 363  Hearing.  Purchaser  shall be deemed a party in interest  with
standing to appear and be heard in connection with any motion, hearing, or other
proceeding relating to this Agreement or any overbid.

                  (c) The  Bankruptcy  Court's  Overbid  Procedures  Order shall
include  approval of the  following:  (i) the Overbid  Procedures  contained  in
Section 5.2(b); (ii) the Expense Reimbursement and Termination Fee provisions of
Section 9.7;  (iii) the deposit  provisions  contained in Section 1.5;  (iv) the
termination  provisions  contained in Sections  7.1, 9.1, 9.2, 9.3, 9.4, 9.5 and
9.6; (v) the parties  conduct,  including  limitations on public  announcements,
contained  in Sections 5.1 and 5.5;  and (vi) the  Purchaser's  right to exclude
certain assets and liabilities from the sale contained in Sections 7.2 and 7.3.

         Section 5.3       [Intentionally omitted.]

         Section 5.4 Filings;  Other Action. Subject to the terms and conditions
herein  provided,  as promptly as  practicable  after the  expiration of the Due
Diligence  Period,  the Sellers and the  Purchaser  shall (a) promptly  make all
filings and submissions under the HSR Act, with the Sellers, as a group, and the
Purchaser each paying half of the requisite filing fee, (b) use all commercially
reasonable efforts to cooperate with each other in (i) determining which filings
are  required  to be made prior to the  Closing  Date with,  and which  material
consents,  approvals,  permits,  or  authorizations  are required to be obtained
prior to the Closing Date from,  governmental  or regulatory  authorities of the
United States, the several states or the District of Columbia,  the Commonwealth
of Puerto Rico,  the United States Virgin Islands and foreign  jurisdictions  in
connection   with  the  execution  and  delivery  of  this   Agreement  and  the
consummation  of the  transactions  contemplated  hereby and (ii) promptly after
Closing  unless  requested  by  Purchaser,  making all such  filings  and timely
seeking all such consents,  approvals,  permits,  or  authorizations,  including
without limitation all applicable state regulatory  approvals,  if any, required
to be obtained for the transfer from Sellers to Purchaser of the Assets, and (c)
use all commercially reasonable efforts to take, or cause to be taken, all other
action and do, or cause to be done, all other things necessary or appropriate to
consummate  the  transactions   contemplated  by  this  Agreement,  as  soon  as
practicable.  In  connection  with the  foregoing,  the Sellers will provide the
Purchaser,  and the  Purchaser  will  provide  the  Sellers,  with copies of all
correspondence,  filings,  or  communications  or  memoranda  setting  forth the
substance thereof between such party or any of its  representatives,  on the one
hand,  and any  governmental  agency or authority or member of their  respective
staffs,  on the other hand, with respect to this Agreement and the  transactions
contemplated hereby. The parties

                                       29

<PAGE>



acknowledge  that certain actions may be necessary with respect to the foregoing
in making notifications and obtaining clearances,  consents, approvals, waivers,
or similar  third party  actions  that are material to the  consummation  of the
transactions contemplated hereby, and each party agrees to take all commercially
reasonable  actions as are necessary to complete such  notifications  and obtain
such clearances,  approvals,  waivers,  or third party actions except where such
consequence,  event, or occurrence  would not have a Purchaser  Material Adverse
Effect or a Company Material Adverse Effect, as the case may be.

         Section 5.5 Public  Announcements.  Prior to the  expiration of the Due
Diligence  Period,  the  Purchaser and the Company shall consult with each other
before any party hereto issues any press  release or otherwise  makes any public
statement with respect to the transactions  contemplated by this Agreement,  and
no party  shall issue any such press  release or make any such public  statement
prior  to such  consultation  except  as may be  required,  upon the  advice  of
counsel,  by applicable law or  requirements of the Securities Act, the Exchange
Act,  Nasdaq,  the New York  Stock  Exchange  or any other  national  securities
exchange,  in which  case the  parties  shall use their  reasonable  efforts  to
consult  with each other prior to issuing such a release or making such a public
statement. Notwithstanding the foregoing, the Company may deliver (i) a redacted
copy of this Agreement  which does not make reference to the names of WinStar or
the  Purchaser to the  Committee  together  with a statement  of WinStar's  cash
balances  at  September  30, 1997  (without  reference  to  WinStar)  and (ii) a
complete  copy of this  Agreement to the lender  providing  debtor-in-possession
financing to the Sellers upon receipt by WinStar of a confidentiality  agreement
satisfactory to it executed by such lender.

         Section 5.6       Bankruptcy Actions.

                  (a)  Within  one day  after  expiration  of the Due  Diligence
Period,  the Sellers will file with the  Bankruptcy  Court a motion,  supporting
papers,  notices  and a  proposed  Overbid  Procedures  Order,  all in form  and
substance reasonably  satisfactory to Purchaser,  seeking the Bankruptcy Court's
approval of the terms of Sections 5.2 and 9.7 of this  Agreement and  observance
and  performance  of such  terms by the  Sellers  and the  Purchaser  during the
pendency of the  Chapter 11 Cases.  The motion  seeking  approval of the Overbid
Procedures  Order will request an expedited and emergency  consideration of such
motion by the  Bankruptcy  Court  and will seek to  shorten  the  notice  period
provided in the Federal Rules of Bankruptcy Procedure for the Sale Motion.

                  (b) Within two  Business  Days after  entry by the  Bankruptcy
Court of the Overbid Procedures Order, the Sellers will file with the Bankruptcy
Court a  motion,  supporting  papers,  notices  and a form of 363  Order and 365
Order, all in form and substance reasonably  satisfactory to Purchaser,  seeking
the

                                       30

<PAGE>



Bankruptcy  Court's approval of this Agreement,  the Sellers'  performance under
this  Agreement,  and  the  assignment  of the  Assets  and the  assumption  and
assignment of the Assumed  Contracts to the  Purchaser  pursuant to, inter alia,
Sections 105, 363(b), 363(f) and 365 of the Bankruptcy Code, made returnable not
more than twenty (20) days after filing of such motion (or if the  twentieth day
thereafter  is not a Business  Day, on the next  succeeding  Business  Day) (the
"Sale Motion").

                  (c) The Sellers will provide the Purchaser  with copies of all
motions,  applications, and supporting papers prepared by the Sellers (including
forms of orders  and  notices  to  interested  parties)  relating  in any way to
Purchaser and WinStar or the transactions  contemplated by this Agreement as far
in advance as practicable prior to the service and filing thereof in the Chapter
11 Cases.

                  (d) The Sellers  shall  promptly  give  appropriate  notice in
accordance with Rules 6004 and 6006 of the Federal Rules of Bankruptcy Procedure
and any order of the Bankruptcy Court, and provide  appropriate  opportunity for
hearing, to all parties entitled thereto, of all motions,  orders,  hearings, or
other  proceedings  relating to this Agreement or the transactions  contemplated
hereby.

         Section 5.7 Tax Returns and Filings;  Payment of Taxes.  Sellers  shall
prepare  all Tax Returns of Sellers or with  respect to the Assets and  Business
for periods ending on or prior to the Closing Date. Sellers shall be responsible
for paying all Taxes of Sellers or with respect to the Assets for periods ending
on or prior to the Closing Date. All sales,  gross receipts,  transfer,  filing,
recordation  and similar Taxes and fees  (including all real estate transfer and
gains Taxes and  conveyance  and recording  fees, if any),  and all stamp Taxes,
registration  Taxes,  excise  Taxes,  duties or other  charges  arising  from or
associated with the sale and transfer of the Assets as contemplated herein shall
be borne in equal portions by the Sellers, as a group, and the Purchaser.

         Section 5.8 Employee Benefit Plans. From and after the date hereof, the
Sellers  shall take all  actions  necessary  to assure  that the  Purchaser  and
WinStar  are  not  subject  to   liabilities  of  any  nature   whatsoever,   as
successors-in-interest  or  otherwise,  as a  result  of the  Sellers'  Employee
Benefit Plans. The provisions of this Section 5.8 shall survive the Closing.

         Section 5.9       Notification of Certain Matters.  Each of the Sellers
and the Purchaser shall give prompt notice to the other of the following:

                  (a)     the occurrence or non-occurrence after the date hereof
of any event whose occurrence

                                       31

<PAGE>



or  nonoccurrence  would be likely to cause  either  (i) any  representation  or
warranty of such party  contained in this  Agreement  to be or become  untrue or
inaccurate in any material  respect at any time from the date hereof through the
Closing, or (ii) directly or indirectly,  a Company Material Adverse Effect with
respect to the Sellers or a Purchaser  Material  Adverse  Effect with respect to
the Purchaser, as the case may be;

                  (b) any  material  failure  of  such  party,  or any  officer,
director,  employee  or agent of any  thereof,  to comply  with or  satisfy  any
covenant,  condition  or  agreement  to be  complied  with  or  satisfied  by it
hereunder;

                  (c) any  notice  of,  or other  communication  relating  to, a
default or event  which,  with notice or lapse of time or both,  would  become a
default,  received by it  subsequent to the date hereof and prior to the Closing
Date,  under  any  note,  bond,  mortgage,  deed of  trust,  security  interest,
indenture,  license, agreement, plan, Contract (including any Assumed Contract),
lease,  commitment or other  instrument or obligation  material to the financial
condition,  properties,  businesses  or results of  operations  of it taken as a
whole to which it is a party or is subject;

                  (d) any  notice or other  communication  from any third  party
alleging  that  the  consent  of  such  third  party  is or may be  required  in
connection with the transactions contemplated by this Agreement; and

                  (e) any  objection  to the  motions  to  approve  the  Overbid
procedure or to approve the  transactions  contemplated by this Agreement or the
initiation  of any legal action or proceeding  with respect to the  transactions
contemplated  by this  Agreement,  including  any motion to  require  Sellers to
assume or reject executory contracts;

provided,  however, that the delivery of any notice pursuant to this Section 5.9
shall not limit or  otherwise  affect the  remedies  available  hereunder to the
party receiving such notice hereunder.

         Section 5.10  Comfort  Letters,  Etc. The Company  shall use good faith
efforts to cause its  auditors  to (i) deliver to WinStar,  upon  request,  such
comfort letters with respect to the financial  statements of the Company for the
years  ended  December  31, 1995 and  December  31, 1996 and for the nine months
ended  September  30,  1996 and  September  30,  1997,  as may be  customary  in
connection with WinStar's  proposed  offerings of equity and/or debt securities;
and (ii) make  themselves  available to discuss such financial  statements  with
representatives  of WinStar  and the  placement  agents for any such  offerings.
WinStar or the Purchaser shall reimburse the Company for the reasonable expenses
of its accountants pursuant to this Section 5.10.

                                       32

<PAGE>


         Section 5.11  Additional  Matters.  Subject to the terms and conditions
herein  provided,  each of the  parties  hereto  agrees to use all  commercially
reasonable efforts to take, or cause to be taken, all action and to do, or cause
to be done, all things necessary, proper, or advisable under applicable laws and
regulations to consummate and make effective the  transactions  contemplated  by
this Agreement,  including using all commercially  reasonable  efforts to obtain
all  necessary  waivers,   consents,   and  approvals  in  connection  with  the
Governmental Requirements and to effect all necessary registrations and filings.

         Section 5.12  Satisfaction  or Discharge of  Encumbrances.  Between the
date  hereof and the  Closing,  the Sellers  shall take all  actions  necessary,
including  transferring  the Encumbrances to the proceeds of sale or the payment
of money, to satisfy or discharge all Encumbrances on the Assets so that, at the
Closing,  the  Assets are  transferred  to the  Purchaser  free and clear of all
Encumbrances.  The failure of the Sellers to comply with the  provisions of this
Section  by  January  31,  1998  shall be a breach of the  Sellers'  obligations
hereunder entitling WinStar and the Purchaser to terminate this Agreement and to
receive the Expense Reimbursement and the Termination Fee.

                                   ARTICLE VI

                        ADDITIONAL POST-CLOSING COVENANTS

         Section 6.1 Further  Assurances.  In addition to the provisions of this
Agreement,  from time to time  after  the  Closing  Date,  the  Sellers  and the
Purchaser will use all  commercially  reasonable  efforts to execute and deliver
such other  instruments of conveyance,  transfer or assumption,  as the case may
be, and take such other action as may be reasonably  requested to implement more
effectively  the  conveyance  and  transfer of the Assumed  Contracts  and other
Assets to the Purchaser and the  assumption  of the Assumed  Liabilities  by the
Purchaser, including without limitation the filing with any state public utility
commissions  or other  regulatory  agencies  of  applications  for nunc pro tunc
approval of the  transfers  of the Assets  (including  Company  Permits) and the
Assumed  Contracts  from Sellers to Purchaser.  If any of the Assumed  Contracts
requires the consent of any party  thereto  which is not  obtained,  the Sellers
shall use their best efforts to  otherwise  provide the benefits of such Assumed
Contract to the Purchaser. With respect to the books and records of the Sellers,
the  originals  of which are either  acquired  by  Purchaser  or retained by the
Sellers hereunder,  from time to time after the Closing Date, each party who has
possession of the originals of any such books or records shall,  upon reasonable
request of any other party, provide such other party with access to

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and/or  copies of such books and  records  as may be  reasonably  requested  and
obtained without unreasonable efforts.

         Section 6.2 Third Party Rights.  No provision of this  Agreement  shall
create any third party beneficiary  rights in any employee or former employee of
the  Sellers or any other  persons or entities  (including  any  beneficiary  or
dependent  thereof) in respect of continued  employment (or resumed  employment)
for any specified period of any nature or kind  whatsoever,  and no provision of
this  Agreement  shall  create such third party  beneficiary  rights in any such
persons or entities in respect of any benefits that may be provided, directly or
indirectly,   under  any  Employee  Benefit  Plan  except  to  the  extent  such
obligations are specifically assumed.

         Section 6.3 Employment of the Sellers'  Employees.  Effective as of the
Closing,  Purchaser  agrees to offer to hire all of  Sellers'  employees  except
those to be  listed in  Section  6.3 of the  Company  Disclosure  Letter  twenty
Business Days following the end of the Due Diligence Period, which list shall be
mutually  agreed upon by Sellers and Purchaser  (the  "Transferred  Employees").
Sellers shall not  unreasonably  reject a request by the Purchaser to include an
employee on the list comprising  Section 6.3 of the Company  Disclosure  Letter.
Except as otherwise set forth in Section 6.3 of the Company Disclosure Letter at
such time,  salaries  of the  Transferred  Employees  shall be on  substantially
equivalent  terms as existed with  Sellers as of the date hereof.  All offers of
employment  to the  Transferred  Employees  shall  require that they resign from
their  employment with Sellers  immediately  before the Closing  (subject to the
occurrence  of the  Closing).  Purchaser  shall  provide  substantially  similar
medical benefits, including insurance, subject to applicable waiting periods, to
the  Transferred  Employees  that  Purchaser  provides  to its  other  similarly
situated employees. As of the date hereof, the Purchaser and WinStar may discuss
the  terms  of  employment  and  other  matters,   including  the   transactions
contemplated  by this Agreement,  with the employees,  agents and consultants of
the Sellers.

         Section 6.4 Master LOAs and TSAs.  Sellers shall execute and deliver to
Purchaser on the Closing Date, or upon the request of the Purchaser  thereafter,
master letters of authorization  ("MLOAs") and appropriate  transfer of services
agreements ("TSAs") as may be requested by the Purchaser. Sellers will use their
best efforts to assist the  Purchaser to obtain all  necessary  consents for the
assignment of the Assumed Contracts and the Customers to the Purchaser and agree
from time to time to execute all  appropriate  documents of transfer  reasonably
requested  by  IXCs,  LECs,  CLECs,  governmental  agencies  or  bodies,  or the
Purchaser, including but not limited to TSAs and MLOAs, in order to evidence the
transactions  contemplated hereby. The Purchaser shall, at its expense,  prepare
for review and  execution  by the Sellers and file all such  regulatory  filings
required by Purchaser for the transfer of the Assets to the  Purchaser  pursuant
to this  Agreement,  and the  Sellers  agree to  provide  to the  Purchaser  all
information and render such other assistance as may be

                                       34

<PAGE>



reasonably required in connection  therewith.  Any and all costs associated with
obtaining such regulatory approvals as Purchaser shall require shall be borne by
the  Purchaser  as they may  relate to the  transfer  of the  Assets;  provided,
however, that the Purchaser will not be responsible for any costs related to any
separate  filings that are not required for the transfer of the Assets which the
Sellers  may be  required  to  file  to  terminate  their  authority  to  render
telecommunications  services. Sellers shall promptly notify the Purchaser of any
notice  received  from any vendor  providing  services  with respect to Customer
accounts  of their  intention  or threat to  terminate  service to or take other
action  adversely  affecting  any  Customer  account.  Sellers  shall notify and
coordinate with Purchaser prior to sending any notice or otherwise communicating
with Customers in connection  with the transfer of Customers to Purchaser or the
discontinuance of service by Sellers.

         Section 6.5       Corporate Name.

                  (a) Prior to the Closing,  the Sellers will cooperate with the
Purchaser to assist the Purchaser to qualify to do business in any  jurisdiction
with  any  consents  to use of name  that are  necessary  to so  qualify  with a
corporate  name  containing  the names  "Midcom,"  "Cel-Tech" or "PacNet." On or
before the Closing  Date,  the Sellers,  at their sole cost and  expense,  shall
promptly take all  commercially  reasonable  actions (and shall make all filings
with all government  entities,  including the  applicable  Secretaries of State)
necessary  to  discontinue  using the names  "Midcom,"  "Cel-Tech"  or "PacNet,"
respectively, or any confusingly similar names as part of the Sellers' corporate
names. In connection therewith, Sellers will take such action as may be required
to  notify  all  the  telephone  companies  and  all  listing  agencies  of  the
termination or expiration of Sellers' right to use any telephone  number and any
classified and other telephone directory listings associated with such Names and
to authorize the transfer of the same to Purchaser (provided,  that with respect
to telephone numbers that Sellers have the right to use for the period specified
in Section  6.6,  Sellers  shall not be required to take such action until after
the expiration of such specified period).

                  (b)  Sellers  hereby  acknowledge  that,  from and  after  the
Closing  Date,  Purchaser  will be the  owner  of the  Names  and  any  goodwill
established  thereby shall inure to the exclusive benefit of the Purchaser.  The
Sellers further agree that after the Closing Date, the Sellers will not directly
or indirectly  at any time use any of the Names  whether in connection  with the
Excluded Assets or Excluded  Liabilities or otherwise,  except that Sellers may,
in winding up their affairs, state that they formerly were known by such Names.

         Section 6.6       Sellers' Right to Use Certain Assets to Wind Up
Operations.  For a period not to exceed  nine  months  after the  Closing  Date,
Purchaser shall permit Sellers to use the premises described in

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<PAGE>



Section 6.6 of the Company  Disclosure  Letter (provided that such use shall not
unreasonably  interfere with Purchaser's use of such premises) and the furniture
and fixtures and phone numbers  listed in Section 6.6 of the Company  Disclosure
Letter  solely for the  purpose of winding up their  operations;  provided  that
during such period,  Sellers  shall pay all rental  expenses and other  expenses
associated  with the upkeep and  maintenance  of such  premises,  furniture  and
fixtures and phone numbers. Sellers may terminate such use at any time on thirty
days' written notice to Purchaser.

         Section 6.7 Regulatory  Filings. To the extent that regulatory filings,
including but not limited to annual reports,  must be made following the Closing
but before all  regulatory  approvals are obtained,  Sellers will be responsible
for making all such  filings.  Sellers will be  compensated  for all  reasonable
costs  associated  with  making  such  filings  from  the  Initial  Deposit  and
Additional  Deposit. If the employees of the Sellers who have responsibility for
such  filings and other  actions  become  employees of the  Purchaser  after the
Closing, the Purchaser shall make such employees available to the Sellers to the
extent  reasonably  necessary to enable the Sellers to fulfill their obligations
under this Section 6.7.

         Section 6.8 Right to Access and Use Sellers' Switches. If the Purchaser
and WinStar elect to exclude the switches and associated leases from the Assets:

                  (a) From and after the Closing Date through and including June
30, 1998, or such earlier date as Purchaser shall  designate,  Sellers shall use
their best efforts (but without any  obligation to assume the leases of the real
estate where the switches are located or the switches,  themselves,  or to cure,
in whole or in part,  pre-petition  defaults  under such  leases) to continue to
carry  Purchaser's  Customer traffic on Sellers' switches in a manner consistent
with the operations of the Business by Sellers on the date hereof  provided that
Purchaser shall  reimburse  Sellers for their actual costs  (including  employee
expense) for providing such services. Sellers shall provide personnel of WinStar
with access to the switch  locations  and the switches at all  reasonable  times
during such  period for the purpose of  inspecting,  operating,  monitoring  and
maintaining the switches.  Sellers will, during such period,  comply in a timely
manner with all of their  obligations  under the leases of the  switches and the
switch sites and continue to provide utilities and other services  necessary for
the proper operation of the switches and the switch sites, including any service
or maintenance  agreements covering the switches and the switch sites. Purchaser
may cure any breaches  thereof by Sellers and Sellers will  indemnify  Purchaser
(in accordance  with Section 9.8 hereof) for the costs and expenses  incurred by
Purchaser in effecting any such cure.  Sellers will promptly  provide  Purchaser
with copies of any default or  deficiency  notices  delivered  to Sellers by the
lessors of the switches and the switch sites.


                                       36

<PAGE>



                  (b) If,  prior to June 30,  1998,  the Sellers  receive a bona
fide offer from a third party to purchase  any or all of Sellers'  switches  and
the associated real property  leases and other assets,  they shall promptly give
WinStar  written notice of the terms and conditions of such offer and WinStar or
its  designee  shall have a period of thirty  days after the date such notice is
given to elect to purchase such switches and associated leases and assets on the
same economic terms and conditions as the bona fide offer (payable in cash).  If
WinStar does not elect to so purchase  such switches and  associated  leases and
assets,  Sellers may only close the sale of the switches and  associated  leases
and assets pursuant to the bona fide offer if the purchaser thereunder agrees to
provide the services  specified in Section 6.8(a) to the Purchaser at their fair
market  value until the  expiration  of sixty days after the date the notice was
given.

         Section 6.9  Confirmation  of a Plan.  The Sellers shall not seek,  and
shall  oppose  any other  Person's  efforts to seek,  confirmation  of a plan of
reorganization on or before June 30, 1998.

                                   ARTICLE VII

                              DUE DILIGENCE REVIEW

         Section 7.1 Due Diligence  Review.  At any time from and after the date
hereof  through  9:00  A.M.,  New York  time,  on  December  17,  1997 (the "Due
Diligence  Period"),  the Purchaser may terminate this Agreement in its sole and
absolute  discretion  in the manner set forth in Section 9.5  without  liability
hereunder. During the Due Diligence Period, Purchaser and its authorized agents,
lenders and investors may conduct the following types of inspections:

                  (a)  Inspection  of  the  physical  condition  and  use of the
switches  and other  tangible  personal  property  of the  Sellers  and the real
property  owned or leased by the Sellers,  at Purchaser's  sole cost,  including
without  limitation,   the  availability  of  access,  co-location  arrangements
(completed  and/or in progress or otherwise  contracted  for) utility  services,
zoning, environmental risks, engineering and soil conditions. For the purpose of
conducting physical inspections, the Sellers shall provide the Purchaser and its
authorized  agents,  reasonable  access to such premises at all reasonable times
(including  on  non-Business  Days)  during the Due  Diligence  Period,  and the
Purchaser  shall  conduct such  inspections  in a manner not  disruptive  to the
operation of such premises.  If practicable in the circumstances,  the Purchaser
shall not enter such  premises or contact any tenants  without the presence of a
representative  of the  Sellers.  The  Sellers  shall  assist the  Purchaser  in
obtaining estoppel  certificates from any tenants,  landlords or mortgagees.  In
the  event the  Purchaser  desires  to  conduct  any  physically  intrusive  due
diligence, such as sampling soils, building materials

                                       37

<PAGE>



or the like,  the  Purchaser  shall provide at least two (2) hours' prior notice
thereof to the Sellers.  The Purchaser  shall, in performing such due diligence,
comply  with  and  with  any and all  applicable  laws,  ordinances,  rules  and
regulations  applicable to such premises and such  procedures  and the Purchaser
shall not engage in any  activities  which would violate any permit,  license or
environmental law, ordinance, rule or regulation.

                  (b)  Inspection  of all existing  documentation  and materials
relevant  to  the  ownership  and  operation  of the  Business  and  the  Assets
(including the switches),  including without limitation, all existing leases and
amendments thereto, all existing vendor and service contracts,  prior Tax bills,
existing  permits,  licenses and certificates of occupancy,  existing  operating
statements,  existing plans and  specifications,  and the existing owner's title
policy, survey of the related premises, insurance policies, operating statements
for  the  last  two  (2)  years,   environmental   reports,   leasing   reports,
correspondence,   brokerage  agreements,   litigation  affecting  the  premises,
maintenance  records  (all  of  the  foregoing  to be  provided  to  the  extent
reasonably obtainable by the Sellers without additional cost) all of which shall
be made  available to the Purchaser upon the  commencement  of the Due Diligence
Period at the premises,  at reasonable  times for  inspection and copying by the
Purchaser at the Purchaser's  expense.  Section 7.1(b) of the Company Disclosure
Letter  sets  forth a  summary  list of  information  about  Sellers'  Customers
(specifying the number of Customers in each state and the number of customers by
type  of  services  provided  by the  Sellers  but  not  the  identities  of the
Customers).  The Purchaser and WinStar acknowledge that the information supplied
to or made available to the Purchaser by the Sellers as provided in this Section
shall not be released or disclosed to any other  parties  other than WinStar and
its affiliates for a period of one year from the date of this Agreement  without
the prior written consent of the Sellers,  unless and until this transaction has
closed or unless  compelled  by judicial or  administrative  process or by other
requirements  of law,  in which event  WinStar  shall  afford the  Company  such
advance notice as is practicable in the  circumstances  to enable the Company to
defend against disclosure.

         Section 7.2  Assumption  of  Contracts.  No later than the Business Day
prior to the 363 Hearing,  the Purchaser  shall notify the Sellers in writing as
to any  Assumed  Contracts  that were  listed in Section  1.1(l) of the  Company
Disclosure  Letter as of the date hereof that the  Purchaser  does not desire to
assume at Closing,  which  Contracts shall be deleted from Section 1.1(l) of the
Company  Disclosure  Letter.  At Closing,  the Sellers  shall deliver an updated
Company Disclosure Letter pursuant to Section 2.2 hereof that shall reflect such
changes to the Assumed  Contracts  to be assumed by the  Purchaser  hereunder at
Closing  and add such  excluded  Contracts  to  Section  1.2(c)  of the  Company
Disclosure Letter.

         Section 7.3       Designation of Assets.  Within twenty Business Days
after the expiration of the Due Diligence Period, Purchaser shall notify Sellers
in writing whether it wishes not to acquire any specific Assets,

                                       38

<PAGE>



in which event such  designated  items shall be deemed to be Excluded Assets for
all purposes of this  Agreement.  Any  designation  pursuant to this Section 7.3
shall not result in any adjustment to the Purchase Price.

                                  ARTICLE VIII

                              CONDITIONS PRECEDENT

         Section 8.1  Conditions  Precedent to Obligation of the Sellers and the
Purchaser and WinStar.  The  respective  obligations of each party to effect the
transactions contemplated by this Agreement shall be subject to the satisfaction
(or mutual waiver) at or prior to the Closing Date of the following conditions:

                  (a) any waiting period  applicable to the  consummation of the
transactions contemplated by this Agreement under the HSR Act shall have expired
or been  terminated,  and no action shall have been instituted by the Department
of Justice or the Federal Trade Commission  challenging or seeking to enjoin the
consummation of the  transactions  contemplated by this Agreement,  which action
shall not have been withdrawn or terminated.

                  (b) no statute,  rule,  regulation,  executive order,  decree,
ruling, or preliminary or permanent injunction shall have been enacted, entered,
promulgated, or enforced by any federal or state court or governmental authority
that materially prohibits,  restrains, enjoins, or restricts the consummation of
the transactions contemplated by this Agreement;

                  (c) no claim, action, suit,  arbitration,  inquiry proceeding,
or investigation  (each, an "Action") shall have been commenced by or before any
United States federal, state, or local or any foreign government,  governmental,
regulatory,  or  administrative  authority,  agency,  or commission or any court
tribunal or judicial or arbitral  body  against the  Purchaser  or the  Sellers,
seeking  to  restrain  or  materially  and  adversely  alter  the   transactions
contemplated by this Agreement that, in the reasonable good faith  determination
of any party,  is likely to render it impossible or unlawful to consummate  such
transactions;  provided,  however,  that the  provisions of this Section  8.1(c)
shall not apply to any party that directly or indirectly solicited or encouraged
any such Action; and

                  (d)      the 363 Order and the 365 Order shall each  have been
entered by the Bankruptcy Court.

                                       39

<PAGE>



         Section 8.2  Conditions  Precedent to  Obligation  of the Sellers.  The
obligation  of the  Sellers  to effect  the  transactions  contemplated  by this
Agreement  shall be subject to the  satisfaction at or prior to the Closing Date
of the following  additional  conditions:  (a) each of the Purchaser and WinStar
shall  have  performed  in all  material  respects  its  obligations  under this
Agreement  required to be performed by it at or prior to the Closing  Date,  (b)
with  respect  to  those   representations  and  warranties   qualified  by  any
materiality  standard,  the  representations and warranties of the Purchaser and
WinStar  contained in this  Agreement  shall be true and correct in all respects
and,  with  respect  to  all  other   representations   and   warranties,   such
representations  and  warranties  shall  be true  and  correct  in all  material
respects,  in each case as of the date of this  Agreement  and as of the Closing
Date as if made at and as of such date,  and (c) the Purchaser and WinStar shall
have  delivered  to the  Sellers  all items  required  to be  delivered  by them
pursuant to Section 2.2.

         Section 8.3  Conditions  Precedent to  Obligation  of the Purchaser and
WinStar.  The obligation of the Purchaser and WinStar to effect the transactions
contemplated by this Agreement shall be subject to the  satisfaction at or prior
to the Closing Date of the following additional conditions:

                  (a) (i) the  Sellers  shall  have  performed  in all  material
respects their obligations under this Agreement required to be performed by them
at or prior to the Closing Date and (ii) with  respect to those  representations
and warranties  qualified by any materiality  standard,  the representations and
warranties of the Sellers  contained in this Agreement shall be true and correct
in all respects and with respect to all other  representations  and  warranties,
such  representations  and warranties  shall be true and correct in all material
respects,  in each  case as of the date of this  Agreement  and at and as of the
Closing Date as if made at and as of such date;

                  (b) the Business and the Assets shall not have been materially
adversely  affected  in any way by any  act of  God,  fire,  flood,  war,  labor
disturbance,   material  tax  legislation  enacted,  loss  of  Customers,  sales
representatives,  suppliers or decline in business therewith,  or other material
event or occurrence, and there shall have been no changes since the date of this
Agreement  including,  but not limited to, any changes  reflected by the updated
Company  Disclosure Letter that have had or may reasonably be expected to have a
Company Material Adverse Effect;

                  (c) the Overbid  Procedures  Order shall have been  entered by
the Bankruptcy Court in substantially the form contemplated by this Agreement on
or before December 19, 1997 (the "Overbid Procedures Order Date");


                                       40

<PAGE>



                  (d) each of the 363 Order and the 365  Order  shall  have been
entered by the Bankruptcy  Court and each shall have become a Final Order in the
Chapter 11 Cases by January 19, 1998;

                  (e) the Sellers  shall have  received all material  government
approvals,  clearances,  consents or  authorizations  necessary  or advisable to
transfer the Company  Permits to Purchaser  (or  Purchaser  shall have  received
adequate  assurances  that  all  such  approvals,   clearances,   consents,  and
authorizations  will be given) and no Company  Permits shall be revoked or shall
fail to be transferred to Purchaser without additional expense and subject to no
additional  restrictions  or burdens on the  permittee,  except in each case for
such  matters  as would  not  individually  or in the  aggregate  have a Company
Material Adverse Effect;

                  (f) Sellers shall have obtained any and all material releases,
consents and/or waivers from other parties to agreements, leases, instruments or
other Contracts needed for consummation of the transactions contemplated by this
Agreement;

                  (g) Purchaser  shall have received  title  commitments,  title
reports or other reasonably satisfactory evidence demonstrating the accuracy and
correctness of Sellers' representations set forth at Section 3.12;

                  (h) Sellers  shall have  delivered  to the  Purchaser  all the
items required to be delivered by them pursuant to Section 2.2 and substantially
all of the original copies of MLOAs,  LOAs and TLAs executed on or after January
1, 1997 and copies of all other  MLOAs,  LOAs and TLAs  possessed  by Sellers or
their  agents,  distributors  or other  representatives  or other  evidences  of
authorization reasonably acceptable to WinStar;

                  (i) Sprint shall have agreed,  at no carriage or other cost to
Purchaser  or WinStar in  addition  to the  carriage  costs  (without  regard to
minimum commitments,  exclusivity,  price adjustments, or other penalties, costs
or charges arising as a result of activities  undertaken by Sellers prior to the
Closing Date or outside of the ordinary  course of business)  that Sellers would
have  incurred  to (i)  continue  to carry the  traffic of the  Customers  after
Closing,  in  accordance  with its undated  agreement  with  Sellers as modified
through  the date  hereof,  through  and  including  September  30, 1998 or such
earlier date as designated by Purchaser;  and (ii)  cooperate with Purchaser and
WinStar in any transition of Purchaser's Customer traffic from Sprint to another
carrier;

                  (j)      unless otherwise ordered by the Bankruptcy Court, the
licensors of all software,

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<PAGE>



programs and databases  which are, or during the past sixty (60) days have been,
used by Sellers shall have consented,  at no cost to Purchaser or WinStar and in
manner reasonably satisfactory to Purchaser, to the transfer and assignment from
Seller to  Purchaser  of Seller's  rights and interest in and to the use of such
software,  programs and databases under the applicable  licenses,  including the
use of all hardware  and other  equipment  owned by other  Persons and leased or
licensed to or otherwise used by the Sellers;

                  (k)  Ernst & Young LLP  shall  deliver  a  letter,  reasonably
satisfactory  to  WinStar,  agreeing  that  it will  issue  its  consent  to the
inclusion of their reports  relating to the financial  statements of the Company
for the  fiscal  years  ended  December  31,  1995 and 1996 in all  registration
statements  and reports filed by WinStar  pursuant to the Securities Act and the
Exchange Act or other legal  requirements and will provide  customary comfort to
WinStar's  underwriters and placement agents in connection with any of WinStar's
or  its  subsidiaries'  offerings  of  securities  as to the  audited  financial
statements of the Company for the fiscal years ended December 31, 1995 and 1996;
and

                  (l) the  Bankruptcy  Court shall have entered an order,  which
shall have become a Final Order, extending the Sellers' time to assume or reject
leases of nonresidential  real property through and including  confirmation of a
plan of reorganization or a date that is not earlier than June 30, 1998.

                                   ARTICLE IX

                       TERMINATION, AGREEMENT, AND WAIVER

         Section 9.1       Termination by Mutual Consent.  This Agreement may be
terminated at any time prior to the Closing Date by mutual written  agreement of
WinStar and the Company.

         Section  9.2  Termination  by  Either  WinStar  or  the  Company.  This
Agreement  may be  terminated at any time prior to the Closing Date by action of
the Board of  Directors  of either  WinStar or the  Company  if a United  States
federal or state court of competent  jurisdiction  or United  States  federal or
state  governmental,  regulatory,  or administrative  agency or commission shall
have issued an order,  decree,  or ruling or taken any other action  permanently
restraining,  enjoining,  or  otherwise  prohibiting  the  consummation  of  the
transactions  contemplated  by this  Agreement  other  than a denial of the Sale
Motion and either (a) thirty (30) days shall have  elapsed  from the issuance of
such order,  decree, or ruling or other action and such order, decree, or ruling
or other action has not been removed or (b) such order, decree, ruling, or other
action  shall have  become  final and  non-appealable,  provided  that the party
seeking to terminate this Agreement pursuant to this clause shall

                                       42

<PAGE>



have used all reasonable efforts to remove such injunction, order, or decree.

         Section 9.3 Termination by Company. This Agreement may be terminated at
any time on or prior to the Closing  Date by action of the Board of Directors of
the  Company if (a) a  condition  precedent  to the  obligations  of the Sellers
hereunder to be fulfilled by the Purchaser or WinStar has not been  fulfilled by
the time stated herein for such condition to be fulfilled or, if no such time is
stated,  by January 31, 1998; (b) there has been a material breach of any of the
representations, warranties, covenants or agreements set forth in this Agreement
on the part of the  Purchaser  and  WinStar,  which breach is not curable or, if
curable,  is not cured  within  thirty  (30) days after  written  notice of such
breach is given by the Company to the  Purchaser  and WinStar;  (c) the Board of
Directors of the Company has withdrawn, modified, or changed in a manner adverse
to the Purchaser its approval or  recommendation  of this  Agreement in order to
approve and permit the Company to execute a definitive  agreement relating to an
Overbid in  accordance  with  Section  5.2; or (d) the Closing does not occur by
January  31,  1998,  except if such  failure  is caused by  Sellers'  actions or
inactions in breach of their obligations under this Agreement.

         Section 9.4 Termination by WinStar. This Agreement may be terminated at
any time on or prior to the Closing  Date by action of the Board of Directors of
WinStar if (a) a condition  precedent to the  obligations  of the  Purchaser and
WinStar  hereunder to be fulfilled by the Sellers has not been  fulfilled by the
time stated  herein for such  condition to be  fulfilled  or, if no such time is
stated,  by January 31, 1998; (b) there has been a material breach of any of the
representations, warranties, covenants or agreements set forth in this Agreement
on the part of the Sellers,  which breach is not curable or, if curable,  is not
cured within  thirty (30) days after  written  notice of such breach is given by
the  Purchaser  to the  Sellers;  (c) the Board of  Directors of the Company has
withdrawn,  modified,  or  changed  in a manner  adverse  to the  Purchaser  its
approval or  recommendation of this Agreement in order, or the Sellers otherwise
determine,  to approve and permit the Company to execute a definitive  agreement
relating to an Overbid;  (d) since the date hereof,  there have been one or more
events causing a Company Material Adverse Effect; (e) the Closing does not occur
by January 31, 1998, except if such failure is caused by Purchaser's  actions or
inactions  in breach of its  obligations  under this  Agreement;  or (f) the 363
Order and the 365 Order have not been entered by the Bankruptcy Court by January
31, 1998.

         Section  9.5  Termination  by  Purchaser  and  WinStar  On or  Prior to
Expiration of Due Diligence Period. This Agreement may be terminated at any time
on or prior to the  expiration of the Due Diligence  Period by the Purchaser and
WinStar by  delivering  to the Company on or before the end of the Due Diligence
Period a written termination of this Agreement.

                                       43

<PAGE>



         Section  9.6 Effect of  Termination  and  Abandonment.  In the event of
termination of the Agreement pursuant to this Article IX, written notice thereof
shall as promptly as practicable be given to the other parties to this Agreement
and this Agreement  shall  terminate and the  transactions  contemplated  hereby
shall be abandoned, without further action by any of the parties hereto. If this
Agreement is  terminated  as provided  herein (a) there shall be no liability or
obligation  on  the  part  of the  Sellers,  the  Purchaser,  WinStar  or  their
respective officers, directors, agents and attorneys, and all obligations of the
parties shall terminate,  except (i) for the obligations of the parties pursuant
to Sections 5.5, 5.6, 5.8, 9.6, 9.7, 9.8, 10.5,  10.6,  and 10.11,  (ii) if this
Agreement is  terminated by the Sellers  pursuant to Section  9.3(a) or (b), the
Initial  Deposit shall be forfeited to Sellers as  liquidated  damages (it being
agreed that, in such event, it will not be possible to calculate Sellers' actual
damages),  with  interest  thereon  to be paid to the  Purchaser,  and  (iii) if
WinStar  terminates this Agreement  pursuant to Section 9.4 (other than pursuant
to  Section  9.4(e)  or  solely  because  of the  non-fulfillment  of any of the
conditions  specified in Section  8.3(c),  (e),  (g), (i), (j), (k) or (l) which
non-  fulfillment  is not caused by any act or  omission  of  Sellers) or if the
Sellers  terminate  this  Agreement  pursuant  to  Section  9.3(c)  or (d),  the
Purchaser shall be entitled to the Expense  Reimbursement and Termination Fee to
the extent provided in Section 9.7.

         Section 9.7       Expense Reimbursement; Termination Fee.

                  (a)  Expense  Reimbursement.  In the event this  Agreement  is
terminated  pursuant  to Sections  9.3(c) or (d) or 9.4 (other than  pursuant to
Section 9.4(e) or solely because of the non-fulfillment of any of the conditions
specified  in  Section   8.3(c),   (e),   (g),   (i),  (j),  (k)  or  (l)  which
non-fulfillment  is not  caused  by any act or  omission  of  Sellers),  Sellers
jointly and severally shall reimburse Purchaser and WinStar for their actual and
reasonable   out-of-pocket  expenses,  not  to  exceed  $400,000,   incurred  in
furtherance  of  this  Agreement  and  the  transactions   contemplated  herein,
including  without  limitation  attorneys' fees and accounting fees and expenses
incurred by Purchaser and WinStar for services of outside counsel in negotiating
this  Agreement,  performance  of due  diligence,  or  otherwise  (the  "Expense
Reimbursement").   This  obligation   shall  survive  any  termination  of  this
Agreement,  and shall  constitute  an  administrative  expense of Sellers  under
Sections  503(b) and  507(a)(1) of the  Bankruptcy  Code.  Purchaser and WinStar
shall submit to Sellers an itemized statement  reflecting such actual reasonable
expenses.   Within  five  days   thereafter,   Sellers  shall  make  an  Expense
Reimbursement  for any  amounts  not in  dispute  without  further  order of the
Bankruptcy  Court. With respect to any amounts  reasonably  disputed by Sellers,
Sellers and  Purchaser and WinStar  shall,  in good faith,  cooperate  with each
other to reach an  agreement  as to the  portion of such  disputed  amount  with
respect  to  which  Purchaser  or  WinStar  will be  entitled  to  reimbursement
hereunder and,  within five days after such agreement is reached,  Sellers shall
make an Expense Reimbursement for such additional amounts without

                                       44

<PAGE>



further order of the Bankruptcy Court. If the parties are unable,  within thirty
days,  to  resolve  a  dispute,  either  party may  submit  the  dispute  to the
Bankruptcy Court for its determination.

                  (b)      Termination Fee.

                           (i) Sellers agree and  acknowledge  that  Purchaser's
         and WinStar's  negotiation and execution of the Agreement have resulted
         from a  substantial  investment  of  management  time and have required
         significant  commitment of financial  and other  resources by Purchaser
         and WinStar,  and that the  negotiation and execution of this Agreement
         have provided value to Sellers.  Therefore,  if a Termination Fee Event
         (as  defined in  subsection  (ii)  below)  occurs,  in  addition to the
         Expense  Reimbursement  payable to  Purchaser  and WinStar  pursuant to
         Section 9.7(a),  the Sellers shall pay $2.5 million to the Purchaser as
         a termination fee ("Termination Fee"); provided, that the Sellers shall
         not be obligated to pay the Termination Fee if, prior to the occurrence
         of the Termination Fee Event, the Agreement has validly been terminated
         solely  pursuant  to Section 9.1 by the Company and WinStar or pursuant
         to Section 9.3(a) or (b) by the Company.

                           (ii) A  "Termination  Fee Event" is the occurrence of
any of the following:

                                    (A)  The   termination   of  this  Agreement
                           pursuant  to  Section  9.3(c) or (d) or  Section  9.4
                           (except for Section  9.4(e) or solely  because of the
                           non-fulfillment of any of the conditions specified in
                           Section 8.3(c),  (e), (g), (i), (j), (k) or (l) which
                           non- fulfillment is not caused by any act or omission
                           of Sellers); or

                                    (B) The execution by any of the Sellers,  or
                           any trustee in bankruptcy for any of the Sellers,  of
                           an  agreement  providing  for the  sale of all or any
                           material  portion  of the  Business  or of an  equity
                           interest  in  any  of the  Sellers,  or any  business
                           combination  of  any of the  Sellers,  involving  any
                           party  other  than  the  Purchaser  (an  "Alternative
                           Transaction").

                           (iii)   Sellers   shall  pay  the   Termination   Fee
         simultaneously  with the occurrence of a Termination  Fee Event without
         further order of the Bankruptcy Court.  Sellers'  obligation to pay the
         Termination Fee shall constitute an  administrative  expense of Sellers
         under sections 503(b) and 507(a)(1) of the Bankruptcy Code.


                                       45

<PAGE>



         Section 9.8       Indemnification; Holdback.

                  (a) All representations,  warranties, covenants and agreements
contained in this Agreement and in any other document  delivered pursuant hereto
shall be  deemed to be  material  and to have been  relied  upon by the  parties
hereto. All  representations  and warranties  contained herein shall survive the
Closing for a period of one (1) year after the Closing  Date.  All covenants and
agreements  contained  herein shall survive the Closing for the period specified
in such covenant or agreement or, if no period is so specified,  for a period of
two (2) years after the Closing Date.

                  (b) The Sellers shall,  jointly and  severally,  indemnify and
hold  harmless  Purchaser  and WinStar  from and  against,  and shall  reimburse
Purchaser  and WinStar,  solely  through the return to Purchaser  from the funds
constituting the Escrow Deposit  pursuant to the terms of the Escrow  Agreement,
for any Damages (as  hereinafter  defined)  which may be sustained,  suffered or
incurred  by  Purchaser,  whether  as a  result  from or in  connection  with or
attributable  to (i) the  conduct of the  Business by the Sellers on or prior to
the Closing Date, (ii) the Excluded Liabilities or the Excluded Assets, or (iii)
the  breach  of any  of the  Sellers'  covenants,  representations,  warranties,
agreements,  obligations or undertakings contained in this Agreement.  "Damages"
as used in this Agreement means the dollar amount of any loss,  damage,  expense
or  liability  (including,  without  limitation,   reasonable  attorneys'  fees)
sustained,  suffered  or incurred by the  Purchaser  or WinStar,  reduced by any
amounts actually received by Purchaser or WinStar (net of any deductibles,  fees
and expenses, but excluding any premiums) from any recovery made by Purchaser or
WinStar from a third party (other than Sellers) in respect  thereof.  The Escrow
Agreement  shall be in the form of Exhibit C annexed  hereto.  The rights of the
Purchaser and WinStar with respect to payment of the Expense  Reimbursement  and
the  Termination  Fee are  independent  of and in addition to their rights under
this Section 9.8.

                  (c)  The  Escrow   Agreement  shall  provide  that,  upon  the
occurrence of the Closing,  the Initial Deposit and the Additional Deposit shall
be  retained  by the Escrow  Agent for a period of  thirteen  (13)  months  (the
"Holdback Period") to secure Sellers'  indemnification  obligations set forth in
Section 9.8(b).  The Escrow Agreement shall provide that, upon the expiration of
the Holdback  Period,  the Escrow  Agent will  deliver to Sellers the  remaining
balance of the Initial Deposit and the Additional  Deposit;  provided,  however,
that the portion of the Initial Deposit plus the Additional Deposit equal to the
amount  of the  Damages  or other  indemnification  obligations  as to which the
Purchaser  have properly made a claim under Section  9.8(d) shall be retained by
the Escrow  Agent  until such  claims  have been  resolved.  As soon as all such
claims have been resolved,  the Escrow Agent shall deliver to Sellers the amount
of the Initial Deposit and the Additional Deposit

                                       46

<PAGE>



being retained by the Escrow Agent and not required to satisfy such claims.

                  (d)   In  the   event   the   Purchaser   or   WinStar   seeks
indemnification  hereunder,  it shall give written notice to the Sellers and the
Escrow  Agent of the facts and  circumstances  giving  rise to the claim  within
thirteen (13) months after the Closing Date  (provided that no such notice shall
be given, and Sellers shall have no indemnification  obligation hereunder,  with
respect to any event  occurring  more than one (1) year after the Closing Date),
and the amount of the claim for which it is seeking indemnification. Such notice
shall contain a description in reasonable detail of the basis for such claim for
indemnification to the extent known to the Purchaser and WinStar. In such event,
Sellers shall have the right to defend against any third-party claim against the
Purchaser or WinStar with counsel of Sellers' choice reasonably  satisfactory to
the Purchaser.

                  (e) Any indemnification payment made hereunder shall be deemed
to be a reduction in the Purchase Price.

                                    ARTICLE X

                               GENERAL PROVISIONS

         Section 10.1 No Merger. The representations, warranties, covenants, and
agreements  contained in or made pursuant to this Agreement  shall not merge, be
extinguished   or  otherwise   affected  by  the   Closing,   and  all  of  such
representations,  warranties  and  agreements  shall  survive  the  Closing  and
continue for the period specified herein.

         Section  10.2  Notices.  All  notices,   claims,   demands,  and  other
communications  hereunder shall be in writing and shall be deemed given upon (a)
facsimile  transmission,  (b) confirmed delivery by a standard overnight carrier
or when delivered by hand, or (c) the expiration of five (5) Business Days after
the day when mailed by registered or certified  mail  (postage  prepaid,  return
receipt  requested),  addressed  to the  respective  parties  at  the  following
addresses  (or such  other  address  for a party as shall be  specified  by like
notice):

                  (a)      If to the Purchaser or WinStar, to

                           WinStar Communications, Inc.
                           230 Park Avenue -- Suite 2700
                           New York, New York 10169
                           Attention: Timothy R. Graham
                           Telecopier: 212-522-1637

                                       47

<PAGE>



                           with copies to

                           Graubard Mollen & Miller
                           600 Third Avenue
                           New York, New York 10016-2097
                           Attention: David Alan Miller, Esq.
                           Telecopier: 212-818-8881


                  (b)      If to the Sellers, to

                           Midcom Communications Inc.
                           26899 Northwestern Highway, Suite 120
                           Southfield, Michigan  48034
                           Attention: Mr. William H. Oberlin
                           Telecopier: (248) 208-9225

                           with copies to

                           Midcom Communications Inc.
                           26913 Northwestern Highway, Suite 165
                           Southfield, Michigan  48034
                           Attention:  Steven Goldman, Esq.
                           Telecopier: (248) 945-1904

                                            and

                           Pepper Hamilton & Scheetz LLP
                           100 Renaissance Center, Suite 3600
                           Detroit, Michigan  48243
                           Attention: Dennis S. Kayes, Esq.
                           Telecopier: (313) 259-7926

         Section 10.3      Descriptive Headings.  The headings contained in this
Agreement  are for  reference  purposes only and shall not affect in any way the
construction or interpretation of this Agreement.

         Section 10.4      Entire Agreement; Assignment.

                  (a)  This  Agreement  (including  the  Exhibits,  if any,  the
Purchaser  Disclosure  Letter,  the  Company  Disclosure  Letter,  and the other
documents and instruments  referred to herein)  constitutes the entire agreement
and supersedes all other prior  agreements and  understandings  both written and
oral,  among the  parties or any of them,  with  respect to the  subject  matter
hereof,  including,  without  limitation,  any transaction  between or among the
parties  hereto,  the Asset Purchase  Agreement among the parties dated December
11, 1997, and the  Confidentiality  and Non-Disclosure  Agreement dated November
17, 1997 between the Company and WinStar.

                                       48

<PAGE>



                  (b) The rights and  obligations  of the  Purchaser  under this
Agreement with respect to any specified  Assets may be assigned by the Purchaser
to  any  third  party,  subject  to  the  assumption  by  such  assignee  of the
obligations of the Purchaser  hereunder  with respect to such specified  Assets.
After any such assignment, the assignee shall be deemed to be the Purchaser with
respect to such specified Assets for all purposes of this Agreement.

         Section 10.5  Governing  Law. This  Agreement  shall be governed by and
construed in accordance with the laws of the State of Michigan without regard to
the  rules  of  conflict  of  laws  of  the  State  of  Michigan  or  any  other
jurisdiction.  Each  of  the  parties  hereto  irrevocably  and  unconditionally
consents  to submit to the  jurisdiction  of the courts of the State of Michigan
and the United  States of America  located in the State of  Michigan,  County of
Wayne (the "Michigan  Courts") for any litigation  arising out of or relating to
this  Agreement  and the  transactions  contemplated  thereby (and agrees not to
commence any  litigation  relating  thereto  except in such courts),  waives any
objection to the laying of venue of any such litigation in the Michigan  Courts,
and agrees not to plead or claim that such  litigation  brought in any  Michigan
Court has been brought in an inconvenient forum.

         Section 10.6  Expenses.  Except as set forth in Sections  5.4, 5.7, 9.6
and 9.7,  whether or not the  transactions  contemplated  by this  Agreement are
consummated,  all costs and expenses  incurred in connection with this Agreement
and the transactions  contemplated  thereby shall be paid by the party incurring
such expenses.

         Section 10.7      Amendment.  This Agreement may not be amended except
by an instrument in writing signed on behalf of all the parties hereto.

         Section 10.8 Waiver. At any time prior to the Closing Date, the parties
hereto may (a) extend the time for the  performance of any of the obligations or
other  acts of the other  parties  hereto,  (b) waive  any  inaccuracies  in the
representations  and warranties  contained  herein or in any document  delivered
pursuant  hereto,  and  (c)  waive  compliance  with  any of the  agreements  or
conditions  contained herein. Any agreement on the part of a party hereto to any
such  extension  or waiver  shall be valid  only if set forth in  instrument  in
writing signed on behalf of such party.

         Section  10.9  Counterparts;   Effectiveness.  This  Agreement  may  be
executed  in two or more  counterparts,  each of which  shall be deemed to be in
original  but all of which shall  constitute  one and the same  agreement.  This
Agreement  shall become  effective  when each party  hereto shall have  received
counterparts

                                       49

<PAGE>



thereof signed by all the other parties hereto.

         Section  10.10  Severability;  Validity;  Parties in  Interest.  If any
provision  of  this  Agreement  or the  application  thereof  to any  person  or
circumstance is held invalid or  unenforceable,  the remainder of this Agreement
and the application of such provision to other persons or  circumstances,  shall
not be affected  thereby,  and to such end, the provisions of this Agreement are
agreed to be  severable.  Nothing in this  Agreement,  expressed or implied,  is
intended to confer upon any person not a party to this  Agreement  any rights or
remedies of any nature whatsoever under or by reason of this Agreement.

         Section 10.11  Enforcement of Agreement.  The parties hereto agree that
irreparable damage would occur in the event that any provision of this Agreement
was not  performed  in  accordance  with its  specific  terms  or was  otherwise
breached.  It is  accordingly  agreed that the  parties  shall be entitled to an
injunction or injunctions  to prevent  breaches of this Agreement and to enforce
specifically  the terms and  provisions  hereof in any state or federal court in
the State of Michigan,  this being in addition to any other remedy to which they
are entitled at law or in equity.

                                   ARTICLE XI

                                   DEFINITIONS

         Section 11.1      Defined Terms.  As used herein, the terms below shall
 have the following meanings.

          "Action" has the meaning set forth in Section 8.1(c).

          "Additional Deposit" has the meaning set forth in Section 1.5(a).

          "Adjustment Deposit" has the meaning set forth in Section 1.5(a).

          "Agreement"  has  the  meaning  set  forth  in the  Preamble  to  this
     Agreement.

          "Alternative Transaction" has the meaning set forth in Section 9.7(b).

          "Assets" has the meaning set forth in Section 1.1.


                                       50

<PAGE>



          "Applicable Requirements" has the meaning set forth in Section 3.18.

          "Assumed Contracts" has the meaning set forth in Section 1.1(l).

          "Assumed Liabilities" has the meaning set forth in Section 1.3.

          "Bankruptcy  Code" has the meaning  set forth in the  Recitals to this
     Agreement.

          "Bankruptcy  Court" has the meaning set forth in the  Recitals to this
     Agreement.

          "Business"  has  the  meaning  set  forth  in  the  Recitals  to  this
     Agreement.

          "Business  Day"  means a day other  than  Saturday  or Sunday on which
     banks are not required or  authorized  to be closed in the City of Detroit,
     Michigan.

          "Chapter 11 Cases" has the  meaning set forth in the  Recitals to this
     Agreement.

          "CIC" has the meaning set forth in Section 1.1(c).

          "CLEC" has the meaning set forth in Section 3.10.

          "Closing" has the meaning set forth in Section 2.1.

          "Closing Date" has the meaning set forth in Section 2.1.

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

          "Committee" means the Official Committee of Unsecured Creditors of the
     Sellers appointed in the Chapter 11 Cases.

          "Company" has the meaning set forth in the Preamble to this Agreement.

          "Company Disclosure Letter" has the meaning set forth in Article III.


                                       51

<PAGE>



          "Company  Financial  Statements"  has the meaning set forth in Section
     3.5.

          "Company  Material  Adverse Effect" means any events,  conditions,  or
     matters in respect of the Sellers,  the Assets and the Assumed  Liabilities
     (collectively,  the  "Acquired  Businesses"),  other than the filing of the
     Chapter 11 Cases,  that in the  aggregate  taking into  account all events,
     conditions or matters in respect of the Acquired Businesses (whether or not
     in  connection  with the same or any  similar  representation,  warranty or
     matter)  materially  impair  the  ability of the  Sellers to perform  their
     obligations hereunder or to consummate the transactions contemplated hereby
     or which  result  in or are  reasonably  expected  to result in (i) a loss,
     cost,  or charge to the Acquired  Businesses of $500,000 or more, or (ii) a
     material reduction in the average daily revenue of the Acquired Businesses,
     provided, however, that any of the events, conditions or matters that exist
     on the date hereof and have been  reflected in this  Agreement or disclosed
     in the Company Disclosure Letter as presented on the date of this Agreement
     (in each case without taking into account any dollar  threshold)  shall not
     be deemed to constitute a Company Material  Adverse Effect,  except for and
     expressly  excluding,  however,  those events,  conditions or matters which
     were to be voided or otherwise made  unenforceable  against the Assets once
     the Assets were  transferred to Purchaser  pursuant to the 363 Order or the
     365 Order,  but which  events,  conditions or matters have in fact not been
     voided or made  unenforceable,  in which case such  events,  conditions  or
     matters  shall be  included  in the  determination  of a  Company  Material
     Adverse Effect.

          "Company Permits" has the meaning set forth in Section 3.10.

          "Company SEC Reports" has the meaning set forth in Section 3.21.

          "Contract" means any contract, agreement, understanding or arrangement
     (whether  written or oral) entered into by any of the Sellers and including
     all conditional and executory  contracts,  agreements,  understandings  and
     arrangements.

          "Customers" has the meaning set forth in Section 1.1(a).

          "Dal Telecom" has the meaning specified in Section 1.1(m).

          "Damages" has the meaning set forth in Section 9.8(b).

          "Due Diligence Period" has the meaning set forth in Section 7.1.


                                       52

<PAGE>



          "Employee Benefit Plans" has the meaning set forth in Section 3.17.

          "Encumbrances" has the meaning set forth in Section 3.12(a).

          "ERISA" means the Employee  Retirement Income Security Act of 1974, as
     amended.

          "Escrow Agent" means Continental Stock Transfer & Trust Company.

          "Escrow   Agreement"   means  that  certain  Escrow   Agreement  among
     Purchaser,  WinStar,  Sellers  and the Escrow  Agent in form and  substance
     reasonably satisfactory to Purchaser and Sellers.

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

          "Excluded Assets" has the meaning set forth in Section 1.2.

          "Excluded Liabilities" has the meaning set forth in Section 1.4.

          "Expense Reimbursement" has the meaning set forth in Section 9.7(a).

          "Final Order" means an order of the Bankruptcy Court in the Chapter 11
     Cases which (a) shall not have been reversed,  stayed,  modified or amended
     and with  respect  to which (i) the time to appeal  from or seek  review or
     rehearing  of such  order  shall  have  expired;  and  (ii) no  motion  for
     rehearing, reconsideration,  amendment or new trial is pending; or (b) with
     respect to the 363 Order,  although subject to appeal, no stay of the order
     being  appealed  from has  been  obtained,  whether  by  supersedeas  bond,
     collateral security or otherwise.

          "GAAP" has the meaning set forth in Section 3.5.

          "Governmental Requirements" has the meaning set forth in Section 3.3.

          "Holdback Period" has the meaning set forth in Section 9.8(c).

          "HSR Act" has the meaning set forth in Section 3.3.


                                       53

<PAGE>



          "Initial Deposit" has the meaning set forth in Section 1.5(a).

          "Intellectual Property" means all United States (a) patents and patent
     applications  (including  reissues,  divisions,  continuations-in-part  and
     extensions  thereof),  invention  disclosures,   inventions,  know-how  and
     improvements  thereto;  (b) trademarks,  trade names,  service marks, trade
     dress  and  logos  and  registrations  and  applications  for  registration
     thereof; (c) copyrights and registrations thereof; (d) software,  programs,
     databases and the like; and (e) licenses of any of the foregoing.

          "IXC" has the meaning set forth in Section 3.10.

          "Joint Venture  Agreement"  means that certain  Agreement of Formation
     and  Activities  of Russian-  American  Joint Stock  Venture  "Dal  Telekom
     International,"  dated as of  December 5, 1993,  by and among the  Company,
     DalREO,  the  joint  stock  company  Rostelekom  and the  state  enterprise
     Rossvyazinform   in  the   cities   of   Khabarovsk,   Blagoveschensk   and
     Petropavlovsk-Kamchatski, as amended.

          "LEC" has the meaning set forth in Section 3.10.

          "Legal Proceeding" means any judicial,  administrative,  regulatory or
     arbitral proceeding,  investigation or inquiry or administrative  charge or
     complaint  pending at law or in equity  before any court,  governmental  or
     regulatory body or authority.

          "LOA" has the meaning set forth in Section 1.1(a).

          "MLOA" has the meaning set forth in Section 6.4.

          "Michigan Courts" has the meaning set forth in Section 10.5.

          "Names" has the meaning set forth in Section 1.1(b).

          "Overbid Procedures Order" has the meaning set forth in Section 5.2.

          "Overbid  Procedures  Order Date" has the meaning set forth in Section
     8.3(c).

          "Overbid" has the meaning set forth in Section 5.2(b).

                                       54

<PAGE>



          "PacNet" has the meaning set forth in the Preamble to this Agreement.

          "PBGC" means the Pension Benefit Guaranty Corporation.

          "Person" means any natural  person,  firm,  partnership,  association,
     corporation,  company,  limited liability company, trust, business trust or
     other entity.

          "Petition  Date"  means  November  7,  1997,  the  date on  which  the
     Petitions were filed with the Bankruptcy Court.

          "Petitions"  has  the  meaning  set  forth  in the  Recitals  to  this
     Agreement.

          "Purchase Price" has the meaning set forth in Section 1.5.

          "Purchaser"  has  the  meaning  set  forth  in the  Preamble  to  this
     Agreement.

          "Purchaser Disclosure Letter" has the meaning set forth in Article IV.

          "Purchaser  Material  Adverse  Effect"  has the  meaning  set forth in
     Section 4.3.

          "Sale Motion" has the meaning specified in Section 5.6.

          "SEC" means the Securities and Exchange Commission.

          "SEC Reports" has the meaning set forth in Section 3.21.

          "Second  Month  Average  Daily  Revenues" has the meaning set forth in
     Section 1.5(b).

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

          "Sellers" has the meaning set forth in the Preamble to this Agreement.

          "Seller  Subsidiary" has the meaning set forth in the Preamble to this
     Agreement.

                                       55

<PAGE>



          "September  Average  Daily  Revenues"  has the  meaning  set  forth in
     Section 1.5(b).

          "Tax" or "Taxes" means (a) all taxes (whether federal, state, local or
     foreign)  based upon or  measured by income and any other  taxes,  charges,
     fees,  registration  fees, revenue permit fees, levies or other assessments
     whatsoever,   including  without  limitation,  gross  receipts,  franchise,
     profits,  sales,  use,  occupation,  value  added,  ad  valorem,  transfer,
     withholding,   payroll   employment,    environmental,   social   security,
     disability, unemployment fund contributions, alternative or add-on minimum,
     estimated, excise, or property taxes, together with any interest, penalties
     or additions to tax imposed  with respect  thereto and (b) any  obligations
     under any agreements or arrangements with respect to any Taxes described in
     clause (a) above.

          "Tax  Returns"  means all  federal,  state,  local,  and  foreign  tax
     returns,   declarations,   statements,   reports,   schedules,  forms,  and
     information returns and any amended Tax Returns relating to Taxes.

          "Termination Fee" has the meaning set forth in Section 9.7(b).

          "Termination Fee Event" has the meaning set forth in Section 9.7(b).

          "Trade Receivables" has the meaning set forth in Section 1.1(e).

          "Transferred Employees" has the meaning set forth in Section 6.3(a).

          "TSA" has the meaning set forth in Section 6.4.

          "363 Hearing" has the meaning set forth in Section 5.2(b).

          "363  Order"  means  an  order of the  Bankruptcy  Court,  in form and
     substance  reasonably  satisfactory  to  the  Purchaser  and  the  Sellers,
     approving  and  authorizing  the sale of the Business and the Assets by the
     Sellers to the  Purchaser  under this  Agreement  pursuant  to, inter alia,
     Sections 105 and 363 of the  Bankruptcy  Code.  The 363 Order shall provide
     that:  (a)  this  Agreement  and  the  transactions   contemplated  herein,
     including  the  transfer of the Assets by the Sellers to the  Purchaser  as
     provided in this Agreement are approved and authorized;  (b) as of the date
     the 363 Order is entered,  the Sellers had good and marketable title to the
     Assets;  (c) the  transfer of the Assets by Sellers to Purchaser is or will
     be a legal, valid, and effective transfer of the Assets notwithstanding any
     requirement  for  approval  or consent by any entity (as defined in Section
     101(15) of the Bankruptcy  Code); (d) the transfer of the Assets by Sellers
     to Purchaser vests the Purchaser with

                                       56

<PAGE>



     good and  indefeasible  title to the  Assets  free and clear of all  liens,
     claims  and  Encumbrances  (including,   without  limitation,   claims  and
     Encumbrances  (i) that purport to give to any entity (as defined in Section
     101(15) of the Bankruptcy Code) a right or option to effect any forfeiture,
     modification,  right of approval,  right of first  refusal,  repurchase  or
     termination  of  Sellers'  or  Purchaser's  interest  in the  Assets or any
     similar rights or (ii) in respect of Taxes) except those expressly  assumed
     by the Purchaser hereunder and any such liens or claims which existed prior
     to the  Closing or which  arise as a result of any  Employee  Benefit  Plan
     shall attach to the Purchase Price paid to Sellers; (e) the transfer of the
     Assets is in exchange for  consideration  being paid by the Purchaser  that
     constitutes  reasonably  equivalent value and fair consideration  under the
     Bankruptcy  Code  and  under  the laws of the  United  States,  any  state,
     territory, possession, or the District of Columbia; (f) the transfer of the
     Assets, including without limitation the Customers and their accounts, does
     not and will not subject the  Purchaser to any  liability by reason of such
     transfer  under the laws of the  United  States,  any state,  territory  or
     possession  thereof or the District of Columbia based, in whole or in part,
     directly  or  indirectly,   on  any  theory  of  law,  including,   without
     limitation,  any  theory of  successor  or  transferee  liability;  (g) the
     Purchaser is authorized to be designated as the  presubscribed  IXC for all
     Customers  of Sellers as of the Closing  Date and will endow the  Purchaser
     with all legal right to  implement  such  designation  immediately  without
     Customer consent;  and (h) any carrier currently providing network services
     to Sellers or any sales agent or  distributor  currently  under contract to
     Sellers is prohibited from  interfering  with or impairing (i) the transfer
     of Customers to Purchaser, (ii) Purchaser's continued service after Closing
     or (iii) the transfer of Customers to any underlying  carrier designated by
     Purchaser.  The 363 Order shall  further  provide  that (s) the  Bankruptcy
     Court retains  jurisdiction  to enforce the provisions of this Agreement in
     all respects, including retaining jurisdiction to protect Purchaser against
     any of the Excluded  Liabilities;  (t) the  provisions of the 363 Order are
     nonseverable and mutually dependent;  (u) the transactions  contemplated by
     this Agreement are undertaken by the Purchaser in good faith,  as that term
     is used in Section  363(m) of the  Bankruptcy  Code,  and the  Purchaser is
     entitled  to the rights and  protection  granted  thereby;  (v) there exist
     exigent business  reasons for the sale of the Assets to the Purchaser;  (w)
     the sale is in the best interests of the debtors' (Sellers') estates, their
     creditors,  their  Customers  and  their  equity  security  holders  and is
     otherwise  in the  public  interest;  (x) there has been such  notice as is
     appropriate in the particular  circumstances  given to all parties required
     by law to receive notice of the sale and such opportunity for hearing as is
     appropriate  in the  particular  circumstances;  (y) the  Business  and the
     Assets have been adequately marketed and will lose value absent a sale; and
     (z) all of the requirements of Section 363 of the Bankruptcy Code have been
     met.  The 363 Order  shall  not  impose  any  material  obligations  on the
     Purchaser or Sellers not contemplated herein.

          "365 Order" means an order or orders of the Bankruptcy  Court, in form
     and  substance  reasonably  satisfactory  to the Purchaser and the Sellers,
     approving the assumption and assignment of all Assumed

                                       57

<PAGE>



     Contracts by Sellers  pursuant to Section 365 of the Bankruptcy  Code as of
     the Closing  Date.  The 365 Order shall  provide  that (a) all  defaults of
     Sellers  under the  Assumed  Contracts  arising  or  accruing  prior to the
     Closing (without giving effect to any  acceleration  clauses or any default
     provisions in such  contracts of a kind  specified in Section  365(b)(2) of
     the  Bankruptcy  Code) have been cured or will be promptly cured by Sellers
     such that Purchaser  shall have no liability or obligation  with respect to
     any default or obligation arising or accruing prior to the Closing,  except
     as may otherwise be specifically agreed as set forth in this Agreement; (b)
     any actual  pecuniary  loss resulting from a default by Sellers has been or
     will be  promptly  compensated  by  Sellers  to the  extent  ordered by the
     Bankruptcy  Court such that Purchaser shall have no liability or obligation
     with respect to any default or obligation  arising or accruing prior to the
     Closing;  (c) the  Purchaser  has  provided  adequate  assurance  of future
     performance  of  the  Assumed  Contracts  within  the  meaning  of  Section
     365(f)(2) of the Bankruptcy Code; and (d) the Assumed Contracts (other than
     Excluded  Liabilities)  will be transferred to and remain in full force and
     effect for the benefit of the Purchaser,  notwithstanding any provisions in
     such Assumed Contracts or in applicable law (including, without limitation,
     those described in Sections  365(b)(2) and (f) of the Bankruptcy Code) that
     prohibit, restrict, or limit in any way such assignment or transfer.

          "WinStar" has the meaning set forth in the Preamble to this Agreement.

         IN  WITNESS  WHEREOF,  the  Sellers  and  Purchaser  have  caused  this
Agreement  to be  executed on their  behalf by their  officers  thereunder  duly
authorized, as of the date first above written.

                                   PURCHASER:

                                   WINSTAR COMMUNICATIONS, INC.

                                   By:     /s/   Timothy R. Graham
                                      ---------------------------------------
                                      Name:    Timothy R. Graham
                                      Title:   Executive Vice President

                                   WINSTAR MIDCOM ACQUISITION CORP.


                                   By:     /s/    Timothy R. Graham
                                      ---------------------------------------
                                       Name:    Timothy R. Graham
                                       Title:   President


                                   SELLERS:

                                   MIDCOM COMMUNICATIONS INC.



                                       58

<PAGE>


                                   By:     /s/    Steven Goldman
                                      ---------------------------------------
                                       Name:    Steven Goldman
                                       Title:   V.P. & General Counsel

                                   CEL-TECH INTERNATIONAL CORP.


                                   By:     /s/    Steven Goldman
                                      ---------------------------------------
                                       Name:    Steven Goldman
                                       Title:   V.P. & General Counsel

                                   PACNET INC.


                                   By:     /s/    Steven Goldman
                                      ---------------------------------------
                                       Name:    Steven Goldman
                                       Title:   V.P. & General Counsel


                                       59

<PAGE>



                       MERGER AND REORGANIZATION AGREEMENT

                                                                          
<PAGE>

                                TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                                                               Page
<S>                                                                                                            <C>   
ARTICLE I - THE MERGER............................................................................................1
         SECTION 1.01          Definitions........................................................................1
         SECTION 1.02          The Merger.........................................................................1
         SECTION 1.03          Effective Time.....................................................................2
         SECTION 1.04          Effects of the Merger..............................................................2
         SECTION 1.05          Certificate of Incorporation and By-Laws...........................................2
         SECTION 1.06          Directors and Officers of the Surviving Corporation................................2
         SECTION 1.07          The Closing........................................................................2

ARTICLE II - CONVERSION OF SHARES AND RELATED MATTERS.............................................................3
         SECTION 2.01          Conversion of Outstanding Stock of the Merger Subsidiary
                               and Exchange for Stock of Surviving Corporation....................................3
         SECTION 2.02          Conversion of GoodNet Shares.......................................................3
         SECTION 2.03          Escrow of Portion of Merger Consideration..........................................3

ARTICLE III - REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS..................................................4
         SECTION 3.01          Organization.......................................................................4
         SECTION 3.02          Authority; Corporate Action........................................................4
         SECTION 3.03          No Conflict; Required Filings and Consents.........................................5
         SECTION 3.04          Capitalization.....................................................................6
         SECTION 3.05          Licenses and Permits; Compliance with Laws.........................................6
         SECTION 3.06          Financial Statements...............................................................7
         SECTION 3.07          Real Property......................................................................8
         SECTION 3.08          Material Contracts.................................................................9
         SECTION 3.09          Litigation........................................................................10
         SECTION 3.10          Taxes, Tax Returns and Audits.....................................................10
         SECTION 3.11          Absence of Certain Changes........................................................11
         SECTION 3.12          Employee Benefit Plans............................................................12
         SECTION 3.13          Labor Relations...................................................................13
         SECTION 3.14          Insurance Policies; Claims........................................................13
         SECTION 3.15          Intellectual Property.............................................................13
         SECTION 3.16          Personal Properties; Assets.......................................................13
         SECTION 3.17          Bank Accounts.....................................................................14
         SECTION 3.18          Brokers...........................................................................14
         SECTION 3.19          Records...........................................................................14
         SECTION 3.20          No Illegal or Improper Transactions...............................................14
         SECTION 3.21          Related Transactions..............................................................15
         SECTION 3.22          Disclosure........................................................................15
         SECTION 3.23          Environmental, Health and Safety  Matters.........................................15
         SECTION 3.24          Year 2000 Compliance..............................................................16
         SECTION 3.25          Internet Protocol Address.........................................................16
         SECTION 3.26          Investment Representations........................................................16
         SECTION 3.27          Material Adverse Changes..........................................................17

ARTICLE IV - REPRESENTATIONS AND WARRANTIES OF WINSTAR AND THE MERGER
         SUBSIDIARY..............................................................................................17
         SECTION 4.01          Organization......................................................................17
         SECTION 4.02          Authority; Corporate Action.......................................................17
         SECTION 4.03          No Conflict; Required Filings and Consents........................................18
         SECTION 4.04          Securities and Exchange Commission Reports........................................18
         SECTION 4.05          Litigation........................................................................19
         SECTION 4.06          Disclosure........................................................................19

                    
                                        i

<PAGE>



         SECTION 4.07          Brokers...........................................................................20
         SECTION 4.08          Material Adverse Change...........................................................20
         SECTION 4.09          WinStar Stock.....................................................................20

ARTICLE V - NATURE AND SURVIVAL OF REPRESENTATIONS AND WARRANTIES
         OF THE PARTIES..........................................................................................20
         SECTION 5.01          Survival..........................................................................20
         SECTION 5.02          Nonwaiver of Rights...............................................................20

ARTICLE VI - COVENANTS OF THE STOCKHOLDERS.......................................................................21
         SECTION 6.01          Conduct of Business...............................................................21
         SECTION 6.02          Access to Information; Confidentiality............................................23
         SECTION 6.03          Maintenance of Assets; Insurance..................................................24
         SECTION 6.04          Employment and Noncompete Agreements..............................................24
         SECTION 6.05          Sharing Agreement.................................................................24
         SECTION 6.06          No Other Negotiations.............................................................24
         SECTION 6.07          Composition of GoodNet Board and Offices At Effective Time........................24
         SECTION 6.08          No Securities Transactions........................................................24
         SECTION 6.09          Fulfillment of Conditions.........................................................25
         SECTION 6.10          Disclosure of Certain Matters.....................................................25
         SECTION 6.11          Certain Consents..................................................................25
         SECTION 6.12          Reduction of Liabilities..........................................................25
         SECTION 6.13          Non-use of Name...................................................................25
         SECTION 6.14          Audited Financial Statements......................................................26
         SECTION 6.15          Maintenance of GoodNet Employee Medical Benefits..................................26

ARTICLE VII - COVENANTS OF THE WINSTAR PARTIES...................................................................26
         SECTION 7.01          Fulfillment of Conditions.........................................................26
         SECTION 7.02          Access to Information; Confidentiality............................................26
         SECTION 7.03          Filing of Additional Listing Application with Nasdaq..............................27
         SECTION 7.04          Reimbursement of Telesoft for GoodNet Operating Expenses..........................27

ARTICLE VIII - JOINT COVENANTS OF THE PARTIES....................................................................27
         SECTION 8.01          Further Action....................................................................27
         SECTION 8.02          Schedules.........................................................................27
         SECTION 8.03          Regulatory and Other Authorizations...............................................27
         SECTION 8.04          Filing of Current Reports on Form 8-K.............................................28
         SECTION 8.05          Reorganization....................................................................28

ARTICLE IX - CONDITIONS TO CLOSING...............................................................................28
         SECTION 9.01          Conditions to Each Party's Obligations............................................28
         SECTION 9.02          Conditions to Obligations of GoodNet and the Stockholders.........................29
         SECTION 9.03          Conditions to Obligations of the WinStar Parties..................................30

ARTICLE X - INDEMNIFICATION......................................................................................32
         SECTION 10.01         Indemnification by the Stockholders...............................................32
         SECTION 10.02         Indemnification by WinStar........................................................32
         SECTION 10.03         Notice, Etc.......................................................................32
         SECTION 10.04         Adjustment to Merger Consideration................................................34
         SECTION 10.05         Offset Rights.....................................................................34
         SECTION 10.06         Limitations.......................................................................34
         SECTION 10.07         Reduction for Certain Benefits....................................................34
         SECTION 10.08         Representations and Warranties....................................................35
         SECTION 10.09         Indemnity as Sole Recourse........................................................35

                   
                                       ii

<PAGE>




ARTICLE XI - TERMINATION.........................................................................................35
         SECTION 11.01         Methods of Termination............................................................35
         SECTION 11.02         Effect of Termination.............................................................36

ARTICLE XII - DEFINITIONS........................................................................................36
         SECTION 12.01         Certain Defined Terms.............................................................36

ARTICLE XIII - GENERAL PROVISIONS................................................................................38
         SECTION 13.01         Expenses..........................................................................38
         SECTION 13.02         Notices...........................................................................38
         SECTION 13.03         Press Release; Public Announcements...............................................39
         SECTION 13.04         Amendment.........................................................................39
         SECTION 13.05         Waiver............................................................................39
         SECTION 13.06         Headings..........................................................................39
         SECTION 13.07         Severability......................................................................39
         SECTION 13.08         Entire Agreement..................................................................39
         SECTION 13.09         Benefit; Assignment...............................................................40
         SECTION 13.10         Governing Law; Consent to Jurisdiction............................................40
         SECTION 13.11         Counterparts......................................................................40

</TABLE>

                                    SCHEDULES

         Schedule A            GoodNet Stockholders
         Schedule 1.06         Directors and Officers of Surviving Corporation
         Schedule 3.01(i)      Securities of Other Entities Owned by GoodNet
         Schedule 3.01(ii)     States in which GoodNet is Qualified
         Schedule 3.03(a)      GoodNet and Telesoft Breaches, Defaults, Etc.
         Schedule 3.04         GoodNet Authorized and Issued Capital Stock
         Schedule 3.05         Permits
         Schedule 3.06(b)      Exceptions to Accounts Receivable Reserves
         Schedule 3.07         GoodNet Real Property
         Schedule 3.08(a)      GoodNet Material Contracts
         Schedule 3.08(b)      Invalid GoodNet Material Contracts
         Schedule 3.09         GoodNet Litigation
         Schedule 3.10         GoodNet Tax Assessment, Audits and Investigations
         Schedule 3.11         GoodNet Changes since August 31, 1997
         Schedule 3.12         GoodNet Benefit Plans
         Schedule 3.14         GoodNet Insurance Policies
         Schedule 3.15(a)      GoodNet Intellectual Property
         Schedule 3.16         GoodNet Personal Properties and Assets
         Schedule 3.17         GoodNet Bank Accounts
         Schedule 3.21         GoodNet Related Transactions
         Schedule 9.03(c)      Necessary Consents, etc.


                  
                                       iii

<PAGE>



                                    EXHIBITS

         Exhibit A         Articles of Merger
         Exhibit B         Plan of Merger
         Exhibit C         Escrow Agreement
         Exhibit D(i)      Jemmett Employment Agreement
         Exhibit D(ii)     Pitts Employment Agreement
         Exhibit D(iii)    Wayrynen Employment Agreement
         Exhibit E         Sharing Agreement
         Exhibit F         Legal Opinion of Graubard Mollen & Miller
         Exhibit G         Registration Rights Agreement
         Exhibit H         Legal Opinions of Stockholders and GoodNet Counsel(s)
         Exhibit I(i)      Telesoft Press Release
         Exhibit I(ii)     WinStar Press Release

               
                                       iv

<PAGE>



                       MERGER AND REORGANIZATION AGREEMENT


         MERGER AND  REORGANIZATION  AGREEMENT,  dated as of December ___, 1997,
among  WINSTAR  COMMUNICATIONS,  INC., a Delaware  corporation  ("WinStar"),  WG
ACQUISITION CORP., an Arizona corporation and wholly-owned subsidiary of WinStar
("Merger  Subsidiary"),  TELESOFT  ACQUISITION CORP. II, an Arizona  corporation
("GoodNet"),  and TELESOFT  CORP.,  an Arizona  corporation and a stockholder of
GoodNet  ("Telesoft"),  and each of the other  stockholders of GoodNet listed in
Schedule  A hereto  (Telesoft  and such other  stockholders  being  referred  to
collectively herein as the "Stockholders").

         WHEREAS,  the  Stockholders  are the  owners of all of the  outstanding
capital stock of GoodNet in the respective amounts set forth in Schedule A;

         WHEREAS,  subject  to the  terms  and  conditions  of this  Merger  and
Reorganization  Agreement  ("Agreement"),  the Parties  desire to  consummate  a
merger, as contemplated herein, pursuant to which the Merger Subsidiary shall be
merged with and into GoodNet so that GoodNet  becomes a wholly-owned  subsidiary
of WinStar; and

         WHEREAS, for Federal income tax purposes,  the parties intend that such
merger qualify as a reorganization under the provisions of Section 368(a) of the
United States Internal Revenue Code of 1986, as amended (the "Code").

         IT IS AGREED:

                                    ARTICLE I
                                   THE MERGER

         SECTION  1.01  Definitions.  Certain  capitalized  terms  used  in this
Agreement shall have the meanings specified in Article XII.

         SECTION 1.02 The Merger.  Upon the terms and subject to the  conditions
hereof,  and  in  accordance  with  the  relevant  provisions  of  the  Business
Corporation Act of the State of Arizona (the "BCA"),  the Merger  Subsidiary and
GoodNet shall  consummate a merger (the "Merger") of the Merger  Subsidiary with
and into  GoodNet at the  Effective  Time (as  defined) in  accordance  with the
provisions of this  Agreement.  Following the Merger,  GoodNet shall continue as
the surviving corporation (the "Surviving Corporation") and shall

                    
                                        1

<PAGE>



continue its  existence  under the laws of the State of Arizona and the separate
corporate existence of the Merger Subsidiary shall cease.

         SECTION 1.03  Effective  Time. As soon as  practicable  on or after the
Closing Date,  after the satisfaction or waiver of all conditions to the Merger,
GoodNet  and the  Merger  Subsidiary  shall  file with the  Arizona  Corporation
Commission  in  accordance  with the BCA an executed copy of (i) the Articles of
Merger in the form of Exhibit A hereto (the "Articles of Merger") reflecting the
Merger and  providing  for an  amendment  to the  Articles of  Incorporation  of
GoodNet, as the Surviving Corporation, to effect a change in name from "Telesoft
Acquisition Corp. II" to "WinStar GoodNet,  Inc." and (ii) the Plan of Merger in
the form of Exhibit B hereto (together with the Articles of Merger,  the "Merger
Documents").  The  Merger  shall  become  effective  at such time as the  Merger
Documents are so filed with the Arizona  Corporation  Commission (the "Effective
Time").  To the  extent  permitted  under law,  the  Stockholders  hereby  waive
publication  of the  Articles of Merger.  The  Stockholders  hereby agree to the
adoption and filing of this  Agreement and the Plan of Merger as required  under
the BCA, and acknowledge and agree that their respective signatures hereto shall
constitute  their written  consent for purposes of authorizing  the foregoing by
unanimous written consent of stockholders as provided under the BCA.

         SECTION 1.04      Effects of the Merger.  The Merger shall have the
effects set forth in Section 10-1106 of the BCA.

         SECTION 1.05 Certificate of Incorporation and By-Laws.  The Articles of
Incorporation,  as  amended to effect the name  change  contemplated  in Section
1.03,  and the By-Laws of GoodNet  shall be the  Articles of  Incorporation  and
By-Laws of the Surviving Corporation at the Effective Time.

         SECTION 1.06  Directors and Officers of the Surviving  Corporation.  At
the  Effective  Time,  the Board of  Directors  and  officers  of the  Surviving
Corporation  shall consist of the persons listed in Schedule 1.06, each to serve
until his or her successor is elected and qualified.

         SECTION 1.07 The Closing.  Subject to the terms and  conditions of this
Agreement,   the   consummation  of  the  Merger  and  the  other   transactions
contemplated  by this Agreement shall take place at a closing (the "Closing") to
be held at 10:00 a.m.,  local time, on the third  Business Day after the date on
which the last of the  conditions  to  Closing  set forth in  Article  IX hereof
(other than conditions to be satisfied at the Closing) is fulfilled or waived by
the  appropriate  Party, as the case may be, at the offices of Graubard Mollen &
Miller,  600 Third Avenue, New York, New York 10016, or at such other time, date
or place as the Parties may agree upon in writing. The date on which the Closing
occurs is referred to herein as the "Closing Date."


                  
                                        2

<PAGE>



                                   ARTICLE II
                    CONVERSION OF SHARES AND RELATED MATTERS

         SECTION 2.01 Conversion of Outstanding  Stock of the Merger  Subsidiary
and  Exchange  for Stock of  Surviving  Corporation.  Upon  consummation  of the
Merger,  all 100  shares  of the  common  stock,  no par  value,  of the  Merger
Subsidiary  ("Merger  Subsidiary  Stock")  outstanding  immediately prior to the
Effective Time shall, by virtue of the Merger and without any action on the part
of the holder  thereof,  be converted  into and  exchanged for 100 shares of the
common stock, no par value, of GoodNet ("Surviving  Corporation  Stock"),  which
shall represent all of the issued and outstanding shares of capital stock of the
Surviving  Corporation  immediately  after the  Effective  Time.  All  shares of
Surviving  Corporation  Stock shall be fully paid and  non-assessable.  Promptly
after the Effective  Time,  the Surviving  Corporation  shall issue to WinStar a
stock certificate  representing the 100 shares of Surviving Corporation Stock in
exchange for the  certificate or  certificates  which formerly  represented  100
shares of Merger Subsidiary Stock, which stock certificates shall be immediately
canceled.

         SECTION 2.02 Conversion of GoodNet Shares. Subject to the provisions of
Section 2.03, all of the  outstanding  shares of common stock,  no par value, of
GoodNet  that are  outstanding  immediately  prior to the  Effective  Time  (the
"GoodNet Shares") shall be converted into the right to receive,  at the Closing,
an aggregate amount equal to $22,023,444 (the "Merger Consideration"), comprised
of the following:  (i) $3,500,000 in cash (the "Cash  Consideration") and (ii) a
number of shares ("Stock  Consideration")  of WinStar's  common stock, par value
$.01 per share  ("WinStar  Stock"),  determined by dividing  $18,523,444  by the
average of the last sale prices of the  WinStar  Stock as reported by the Nasdaq
National Market for the twenty consecutive trading days ending two business days
prior to the Closing.  The number of shares of WinStar  Stock  constituting  the
Stock  Consideration  payable to any Stockholder  shall be rounded up or down to
the nearest whole number of shares.  Subject to the  provisions of Section 2.03,
the Merger  Consideration  shall be paid to each  Stockholder in the amounts set
forth in Schedule A.

         SECTION 2.03 Escrow of Portion of Merger  Consideration.  To facilitate
the delivery of any payments that may be required to be made by the Stockholders
to WinStar and/or the Surviving Corporation under the provisions of Article X of
this  Agreement,  at  the  Closing,  WinStar,  the  Surviving  Corporation,  the
Stockholders  and Continental  Stock Transfer & Trust Company  ("Escrow  Agent")
shall execute an Escrow Agreement in substantially  the form of Exhibit C hereto
("Escrow  Agreement").  At the Closing,  each of the Stockholders  shall deliver
stock certificates (with stock powers executed in blank) representing 10% of the
total Merger Consideration  received by such Stockholder (the "Holdback") to the
Escrow Agent for disposition pursuant to the terms of the Escrow Agreement.

                     
                                        3

<PAGE>



                                   ARTICLE III
                         REPRESENTATIONS AND WARRANTIES
                               OF THE STOCKHOLDERS


         Each of the  Stockholders,  jointly and severally  (except as otherwise
provided in the representations and warranties set forth below),  represents and
warrants to WinStar and the Merger Subsidiary (together,  the "WinStar Parties")
as follows:

         SECTION  3.01   Organization.   Each  of  Telesoft  and  GoodNet  is  a
corporation duly organized, validly existing and in good standing under the laws
of the State of Arizona.  Except as described on Schedule 3.01(i),  GoodNet does
not own,  directly or indirectly,  any capital stock or other  securities of any
issuer or any equity  interest in any other entity,  including any  partnership,
limited  partnership,  limited liability  company,  business trust and any other
business  entity,  and is not a party  to any  agreement  to  acquire  any  such
securities or interest. GoodNet does not conduct any business through any entity
other than  itself.  GoodNet is qualified to do business in each state where the
nature of the business it conducts or the properties it owns, leases or operates
requires it to so qualify (which states are listed in Schedule 3.01(ii)), except
where the failure to so qualify would not reasonably be expected to have, either
singly  or in the  aggregate,  a  material  adverse  effect  on the  results  of
operations,  financial  condition,  business or assets of GoodNet or  materially
impair  either  GoodNet's  or  any  Stockholder's   ability  to  consummate  the
transactions  contemplated  by  this  Agreement  (a  "GoodNet  Material  Adverse
Effect").  GoodNet has all requisite  corporate  power to own, lease and operate
its  properties  and to  carry  on its  business  as now  being  conducted.  The
representations  and  warranties  made with  respect to Telesoft in this Section
3.01 are made only by Telesoft and not by any of the other Stockholders.

         SECTION 3.02 Authority; Corporate Action. Each of GoodNet, Telesoft and
Beada & Sala, Inc. ("Beada"),  a Stockholder,  has all necessary corporate power
and  authority  to enter into this  Agreement,  the Escrow  Agreement  and (with
respect to GoodNet and  Telesoft)  the Sharing  Agreement  (as  defined)  and to
consummate the Merger and other  transactions  contemplated  hereby and thereby.
All  corporate  action  necessary  to be taken by each of GoodNet,  Telesoft and
Beada to authorize the execution,  delivery and  performance of this  Agreement,
the Escrow  Agreement  and (with  respect to GoodNet and  Telesoft)  the Sharing
Agreement  and all other  agreements  and  instruments  delivered by GoodNet and
Telesoft  (and  each  of  the  other   Stockholders)   in  connection  with  the
transactions  contemplated hereby or thereby has been duly and validly taken and
this  Agreement,  the Escrow  Agreement,  the Sharing  Agreement  and such other
agreements  and  instruments  have been duly  executed and  delivered by each of
GoodNet and the Stockholders party thereto.  Subject to the terms and conditions
hereof,  this  Agreement,  the Escrow  Agreement and the Sharing  Agreement each
constitutes the valid, binding and enforceable obligation of each of GoodNet and
Telesoft (and, in the case of this Agreement and the Escrow  Agreement,  each of
the other

                  
                                        4

<PAGE>



Stockholders),  enforceable  against all such parties in  accordance  with their
respective  terms,  except  as  enforceability  may  be  limited  by  applicable
bankruptcy,  insolvency,  reorganization,  moratorium,  fraudulent  transfer  or
similar laws of general  application  now or hereafter in effect  affecting  the
rights and remedies of creditors and by general principles of equity (regardless
of whether  enforcement  is sought in a  proceeding  at law or in  equity).  The
representations  and  warranties  made with  respect to Telesoft in this Section
3.02  are  made  only  by  Telesoft  and  not  by  any  other  Stockholder.  The
representations  and  warranties  made with respect to any other  Stockholder in
this  Section  3.02 are made only by such  Stockholder  solely  with  respect to
itself.

         SECTION 3.03      No Conflict; Required Filings and Consents.

                  (a) The  execution  and  delivery of this  Agreement  (and the
other  agreements  contemplated  hereby) by each of the Stockholders and GoodNet
does not, and the performance by each of the  Stockholders  and GoodNet of their
obligations under this Agreement (and any other agreement  contemplated  hereby)
will not, (i) conflict with or violate the Articles of Incorporation, By-laws or
other  organizational  documents  of either  Telesoft,  GoodNet  or Beada,  (ii)
conflict with or violate any law, statute,  ordinance, rule, regulation,  order,
judgment or decree  applicable to GoodNet or any  Stockholder or by which any of
their respective  properties or assets is bound or affected,  or (iii) except as
set forth in Schedule  3.03(a),  result in any breach of or constitute a default
(or an event which with notice or lapse of time or both would  become a default)
under, or give to others any rights of termination,  amendment,  acceleration or
cancellation of, or result in the creation of a Lien on any of the properties or
assets of GoodNet or any  Stockholder  pursuant  to, any note,  bond,  mortgage,
indenture,  contract,  agreement,  lease,  license,  permit,  franchise or other
instrument or obligation  to which GoodNet or any  Stockholder  is a party or by
which GoodNet or any Stockholder or any of their respective properties or assets
is bound or affected,  except, in the case of clauses (ii) and (iii), above, for
any such  conflicts,  violations,  breaches,  defaults or other  alterations  or
occurrences  that would not reasonably be expected to have,  either singly or in
the aggregate,  a GoodNet  Material  Adverse  Effect.  The  representations  and
warranties  made with respect to Telesoft in this Section  3.03(a) are made only
by Telesoft and not by any other Stockholder. The representations and warranties
made with respect to any other Stockholder in this Section 3.03(a) are made only
by such Stockholder solely with respect to itself.

                  (b) The  execution  and  delivery of this  Agreement  (and the
other  agreements  contemplated  hereby) by each of the Stockholders and GoodNet
does not, and the performance of this Agreement by each of the  Stockholders and
GoodNet will not, require any consent, approval,  authorization or permit of, or
filing  with  or  notification  to,  any  governmental  entity,  except  for (i)
compliance with the applicable requirements, if any, of the Exchange Act and the
Hart-Scott-Rodino Antitrust Improvements Act

                   
                                        5

<PAGE>



of 1976,  as amended ("HSR Act"),  (ii) filing and  recordation  of  appropriate
merger documents as required by the laws of the State of Arizona,  and (iii) any
filing with the Federal  Communications  Commission  and state public service or
similar commissions as may be required.  The representations and warranties made
with respect to Telesoft in this  Section  3.03(b) are made only by Telesoft and
not by any other  Stockholder.  The  representations  and  warranties  made with
respect to any other  Stockholder in this Section  3.03(b) are made only by such
Stockholder solely with respect to itself.

         SECTION 3.04 Capitalization. The number of authorized and issued shares
of capital stock of GoodNet is set forth in Schedule 3.04. The Stockholders (and
their respective residential addresses) are set forth on Schedule A, and are the
record and beneficial owners of all of the outstanding capital stock of GoodNet,
free and clear of all Liens  (other than  pursuant  hereto and,  with respect to
shares owned by Beada, the pledge of that number of shares equal to four percent
of the outstanding GoodNet Shares to secure Beada's  indebtedness to Telesoft in
the aggregate  principal amount of $344,398.29  ("Beada Pledge").  Except as set
forth on  Schedule  3.04,  there are no options,  warrants or other  contractual
rights outstanding which require,  or give any person the right to require,  the
issuance  of any  capital  stock of  GoodNet,  whether  or not such  rights  are
presently  exercisable.  No holder of any  securities of GoodNet (or  securities
issuable  in exchange  therefor)  has the right to require any party to register
such securities under the Securities Act (as defined), either on a "demand" or a
"piggyback"  basis.  All shares,  options and warrants and other  securities  of
GoodNet issued since its date of  incorporation  were issued in compliance  with
the  registration  provisions of the  Securities Act or pursuant to an exemption
therefrom.  The  representations  and warranties  made in the second sentence of
this  Section  3.04  with  respect  to any  Stockholder  are  made  only by such
Stockholder solely with respect to itself.

         SECTION 3.05 Licenses and Permits;  Compliance with Laws. GoodNet holds
all permits,  licenses and  approvals  (collectively,  the  "Permits")  from all
Federal, state and local governmental authorities necessary for it to own, lease
and  operate  its  properties  and to  carry  on  its  businesses  as now  being
conducted,  and no such Permit has been  rescinded  and all such  Permits are in
full force and effect and listed on Schedule  3.05,  except for such Permits the
failure to hold which would not reasonably be expected to have, either singly or
in the aggregate,  a GoodNet Material Adverse Effect. The business of GoodNet is
being and has been  conducted in compliance  with the Permits and all applicable
laws,   statutes,   ordinances,   regulations,   judgments,   orders,   decrees,
concessions,  grants and other  authorizations  of any  governmental  authority,
except for such failures that would not  reasonably be expected to have,  either
singly or in the aggregate, a GoodNet Material Adverse Effect. GoodNet is not in
default  in any  material  respect  under any of such  Permits  and no event has
occurred and no condition exists which,  with the giving of notice,  the passage
of time,  or both,  would  constitute  a default  thereunder,  except where such
default  would not  reasonably  be  expected  to have,  either  singly or in the
aggregate, a GoodNet Material Adverse Effect. Neither the execution and delivery

                    
                                        6

<PAGE>



of this  Agreement nor any of the other  documents  contemplated  hereby nor the
consummation of the transactions  contemplated  hereby or thereby nor compliance
by each of the  Stockholders  and GoodNet with any of the  provisions  hereof or
thereof will result in any  suspension,  revocation,  impairment,  forfeiture or
nonrenewal  of any Permit,  except for such  Permits the loss or  impairment  of
which  would  not  reasonably  be  expected  to have,  either  singly  or in the
aggregate,  a GoodNet Material Adverse Effect.  GoodNet is not subject to common
carriage  regulation  either in the United States or in any foreign  country and
GoodNet  has never  received  or applied  for any Permit  with  respect to same.
GoodNet does not presently  provide any services  that would require  GoodNet to
obtain any authorization or make any registration in any foreign country, except
where the failure to obtain any such authorization or make any such registration
would not reasonably be expected to have,  either singly or in the aggregate,  a
GoodNet Material Adverse Effect.

         SECTION 3.06      Financial Statements.

                  (a)  Telesoft  has  delivered  to  the  WinStar   Parties  (i)
unaudited financial  statements of GoodNet for the years ended November 30, 1995
and 1996 and the nine months ended August 31, 1997 and (ii) an unaudited  income
statement of GoodNet for the month of October 1997  (collectively,  the "GoodNet
Financial Statements"). The GoodNet Financial Statements,  including all related
notes and  schedules  thereto,  fairly  present  in all  material  respects  the
financial position of GoodNet as at the respective dates thereof and the results
of operations and cash flows of GoodNet for the periods  indicated in accordance
with generally accepted  accounting  principles ("GAAP") applied on a consistent
basis  throughout  the periods  involved  (except as may be noted  therein)  and
subject,  in the  case of  interim  financial  statements,  to  normal  year-end
adjustments.

                  (b)  The  accounts  receivable  of  GoodNet  reflected  on the
balance sheet as at August 31, 1997  ("Balance  Sheet")  included in the GoodNet
Financial  Statements have arisen from bona fide  transactions and are reflected
on the books and records of GoodNet in accordance with GAAP. Except as set forth
on  Schedule  3.06(b),  reserves  for  the  uncollectability  of  such  accounts
receivable  have been  established  on the  books  and  records  of  GoodNet  in
accordance  with GAAP and are reflected on the Balance Sheet.  The prepaid items
and  deferred  charges  recorded  on the  Balance  Sheet  constitute  a full and
complete  presentation  of each and every  material  prepaid  item and  deferred
charge which GoodNet is entitled to list,  in accordance  with GAAP, as an asset
on the Balance  Sheet.  Except as set forth on Schedule  3.06(b),  the values at
which the  inventories  of GoodNet are shown on the books and records of GoodNet
have been  determined  in all material  respects in  accordance  with the normal
valuation policies of GoodNet, consistently applied and in accordance with GAAP.
Such  inventories  shown on the Balance  Sheet (and items of inventory  acquired
subsequent  to August  31,  1997)  consist of a mix which is  consistent  in all
material  respects with  GoodNet's  past  practices.  Such  inventories  are not
obsolescent and can be sold at their respective carrying costs.

                    
                                        7

<PAGE>




                  (c)  GoodNet  has  no  debts,   liabilities,   commitments  or
obligations (including,  without limitation,  unasserted claims whether known or
unknown), whether absolute or contingent,  liquidated or unliquidated, or due or
to become due or otherwise, except for liabilities and obligations (a) reflected
as liabilities  on the Balance  Sheet,  or (b) that have arisen since August 31,
1997 in the ordinary course of business of GoodNet.

                  (d)  The  line  items  on the  Balance  Sheet  entitled  "Note
Payable--Long-Term"  and  "Note  Payable--Current  Portion"  in  the  respective
amounts of  $396,326  and  $87,415  represent  the  present  value of  GoodNet's
obligations  under the  agreement  referred to in Section  9.03(i)(b) to pay Mr.
David Brady $10,000 per month for 60  consecutive  months,  commencing  June 15,
1997, in consideration of Mr. Brady agreeing not to compete with GoodNet ("Brady
Obligation").

         SECTION 3.07 Real Property.  Schedule 3.07 contains a true, correct and
complete list and brief description of all real property (i) leased or subleased
by GoodNet or (ii) leased or  subleased  by Telesoft and utilized or accessed by
GoodNet  in  the  operation  of  its  business,  all  of  which  properties  are
hereinafter  referred to as the "Leased Real Property." Telesoft has provided to
the  WinStar  Parties  true,  correct and  complete  copies of the leases of the
Leased  Real  Property  (the  "Leases")  and any  sublease  to any  third  party
("Subleases").  Except as set forth in Schedule 3.07 or as contemplated  hereby,
neither  Telesoft nor GoodNet has  subleased any Leased Real Property to others.
Each of Telesoft and GoodNet is in compliance in all material  respects with all
of the provisions of such Leases and Subleases and is not in default  thereunder
in any material respect.  Each such leasehold interest (i) is valid,  subsisting
and in full force and effect;  and (ii) is not subject to any Liens  (other than
collateral  assignments of the leases granted by the landlords thereunder to the
extent  permitted by the terms of such Leases and which do not interfere with or
detract from Telesoft's use of the property subject to such Leases).  The rental
set forth in each of the Leases  listed in  Schedule  3.07 is the actual  rental
currently  being  paid by  Telesoft  and there  are no  separate  agreements  or
understandings  with  respect to same and  Telesoft  is  current on such  rental
obligations.  The payment  obligations  of any subleasee  under any Sublease are
equal to or greater  than the  payments  required  to be made for the  subleased
space to the landlord.  The Leased Real  Property is occupied  under a valid and
current  occupancy  permit or the like to the extent  required by law. Except as
set forth in Schedule 3.07, there are not facts known to any of the Stockholders
which would  prevent any Leased Real Property  premises  from being  occupied by
GoodNet  after the  Closing in  substantially  the same  manner as  before.  The
execution  and delivery of this  Agreement  and the Sharing  Agreement,  and the
performance of the obligations  hereunder and thereunder,  will not constitute a
default under any Lease. The representations and warranties made with respect to
Telesoft in this  Section  3.07 are made only by  Telesoft  and not by any other
Stockholder.


                                        8

<PAGE>



         SECTION 3.08      Material Contracts.

                  (a) Schedule 3.08(a) sets forth a complete and correct list of
all agreements of the following types to which GoodNet is a party and all or any
portion  of  which  are  currently  in  effect   (collectively,   the  "Material
Contracts"):  (i)  agreements  filed  as  exhibits  to any  filings  or  reports
(collectively, the "Telesoft Reports") made by Telesoft under the Securities Act
or Exchange Act (as defined) and each agreement that would have been required to
be filed as an exhibit to a Telesoft Report had such agreement been entered into
as of the date of the last Telesoft  Report;  (ii) agreements  governing (a) any
switching or ATM system site, (b) interconnection, peering, porting or any other
network  accessing  arrangements  or  relationships,  (c) network  monitoring or
maintenance,  (d) vendor supply, (e) customer services,  (f) points of presence,
and  (g)  software  technology   development  or  sharing  arrangements;   (iii)
employment, severance,  termination,  consulting and retirement agreements; (iv)
loan agreements,  indentures, letters of credit, mortgages, notes and other debt
instruments;  (v) agreements,  including contracts with customers,  that require
aggregate  future  payments to or by GoodNet of more than One  Hundred  Thousand
Dollars ($100,000);  (vi) outstanding  purchase orders of GoodNet as of November
30, 1997; (vii) agreements containing any "change of control" provisions; (viii)
agreements,  arrangements  or  understandings  with any  employee,  director  or
officer of GoodNet or Telesoft or with any  Stockholder or with any affiliate of
any thereof;  (ix) agreements  prohibiting GoodNet from engaging or competing in
any  line  of  business  or  limiting  such  competition;   (x)  joint  venture,
partnership and similar agreements;  (xi) acquisition or divestiture  agreements
relating to the (A) sale or  purchase of assets or stock of GoodNet  (other than
sales of inventory  in the  ordinary  course of business) or (B) the purchase of
assets or stock of any other  person  (other  than the  purchase  of  inventory,
supplies or equipment  in the ordinary  course of  business);  (xii)  brokerage,
finder's or financial advisory agreements; (xiii) guarantees of indebtedness for
borrowed  money of any  person;  (xiv)  reseller  and  dealer  agreements;  (xv)
licensing and rights  arrangements for any  Intellectual  Property (as defined);
and (xvii)  agreements  that,  individually or together with one or more related
agreements,  are  material  to the  assets,  financial  condition,  business  or
operations of GoodNet.  True and complete copies of all Material  Contracts have
been delivered to the WinStar Parties or made available for  inspection.  Except
as set forth on  Schedule  3.08(a),  GoodNet is not  currently,  nor has it been
during the past five years, a party to any prime  contract,  subcontract,  basic
ordering agreement,  letter contract,  arrangement,  purchase order, or delivery
order  of  any  kind,  including  all  amendments,  modifications,  and  options
thereunder or relating thereto, given by a party holding itself out as a federal
or state  government  or  agency,  division,  subdivision  or  procuring  office
thereof.

                  (b)  Except as set forth in  Schedule  3.08(b),  all  Material
Contracts  are valid and in full force and effect and  GoodNet has not (nor does
it or any  Stockholder  have any  knowledge  that any other party  thereto  has)
violated any  provision of, or committed or failed to perform any act which with
or without  notice,  lapse of time or both would  constitute a default under the
provisions of, any Material Contract, except

                    
                                        9

<PAGE>



for defaults that would not reasonably be expected to have,  either singly or in
the aggregate, a GoodNet Material Adverse Effect.

         SECTION  3.09  Litigation.  Other than as set forth on  Schedule  3.09,
there are no  actions,  suits,  arbitrations,  mediations  or other  proceedings
pending or, to the  knowledge  of any of the  Stockholders,  threatened  against
GoodNet at law or in equity before any court, Federal, state, municipal or other
governmental  department or agency or other  tribunal.  Neither  GoodNet nor its
property  is subject to any order,  judgment,  injunction  or decree  that would
reasonably  be expected to have,  either singly or in the  aggregate,  a GoodNet
Material  Adverse  Effect.  No claim,  action,  proceeding or  investigation  is
pending or, to the best knowledge of any of the Stockholders, threatened, which,
if successful,  would  reasonably be expected to have a GoodNet Material Adverse
Effect.

         SECTION  3.10 Taxes,  Tax  Returns and Audits.  GoodNet has (or, in the
case of  returns  becoming  due  after  the date  hereof  and on or  before  the
Effective  Time,  will have prior to the Effective Time) prepared and filed on a
timely basis with all appropriate Federal, state, local and foreign governmental
authorities  all  returns in respect of Taxes it is required to file on or prior
to the  Effective  Time or by such  date  will  have  obtained  the  appropriate
extensions to file, and all such returns  completely and accurately  (or, in the
case of  returns  becoming  due  after  the date  hereof  and on or  before  the
Effective  Time, will completely and accurately) set forth the amount due of any
Taxes  relating to the applicable  period.  GoodNet has paid (or, in the case of
Taxes  becoming due after the date hereof and on or before the  Effective  Time,
will have paid) in full all Taxes due on or before the  Effective  Time and,  in
the case of Taxes  accruing on or before the Effective  Time that are not due on
or before the  Effective  Time,  GoodNet has or will have  established  adequate
reserves  on its books and  records  and  financial  statements  (including  the
Balance  Sheet) for such payment in accordance  with GAAP.  GoodNet has withheld
from each  payment  made to any of its  present or former  employees,  officers,
directors  or other  party all amounts  required by law to be withheld  and has,
where  required,  remitted  such amounts  within the  applicable  periods to the
appropriate  governmental  authorities.  In addition, other than as set forth on
Schedule  3.10,  (i) there are no  assessments  against  GoodNet with respect to
Taxes  that  have  been  issued  and  are  outstanding;   (ii)  no  governmental
authorities  have  audited  or, to the  knowledge  of each of the  Stockholders,
examined  GoodNet in respect of Taxes;  (iii)  GoodNet has not executed or filed
any  agreement  extending  the period of  assessment  or collection of any Taxes
which has not yet expired by its terms;  (iv) GoodNet has not  received  written
notification  from any  governmental  authority of its intention to commence any
audit or investigation; (v) GoodNet is not a party to or bound by or nor does it
have any  obligation  under any Tax  sharing or Tax  indemnification  agreement,
provision or arrangement,  whether formal or informal, and no power of attorney,
which is  currently  in  effect,  has been  granted  with  respect to any matter
relating to Taxes of GoodNet;  and (vi)  GoodNet is not  presently  required nor
will it be

                 
                                       10

<PAGE>



required to include any  adjustment  in taxable  income under Section 481 of the
Code (or any similar  provision of the Tax laws of any jurisdiction) as a result
of any change in method of accounting or otherwise.

         SECTION  3.11  Absence of Certain  Changes.  Other than as set forth on
Schedule 3.11, GoodNet has not, since August 31, 1997:

                  (a) issued,  delivered or agreed to issue any stock,  bonds or
other  corporate  securities  (whether  authorized  and  unissued or held in the
treasury),  or granted or agreed to grant any options (including  employee stock
options), warrants or other rights for the issue thereof;

                  (b)      borrowed or agreed to borrow any funds;

                  (c) incurred any obligation or liability,  absolute,  accrued,
contingent  or  otherwise,   whether  due  or  to  become  due,  except  current
liabilities  incurred in the  ordinary  course of business and  consistent  with
prior practice;

                  (d) other  than  pursuant  to this  Agreement,  discharged  or
satisfied any obligation or encumbrance other than ordinary operating  expenses,
trade  payables and regular  installments  of the Brady  Obligation (as defined)
reflected on the Balance Sheet, and trade payables and other operating  expenses
incurred after August 31, 1997 in the ordinary course of business and consistent
with prior practice;

                  (e) sold, transferred,  leased to others or otherwise disposed
of any  assets  outside  of the  ordinary  course of  business  or  canceled  or
compromised  any debt or claim,  or waived or released any right of  substantial
value;

                  (f)  received  any  notice  of  termination  of  any  Material
Contract, Lease, Permit or other agreement, or suffered any damage,  destruction
or loss  (whether  or not  covered  by  insurance)  the  effect  of which  would
reasonably  be expected to have,  either singly or in the  aggregate,  a GoodNet
Material Adverse Effect;

                  (g)  encountered  any labor union  organizing  activity  labor
disputes or had any  material  change in its  relations  with its  employees  or
agents, clients or insurance carriers;

                  (h) made any  accrual or  arrangement  for any  payment or any
bonus, or any increase in  compensation or any severance or termination  payment
to (i) any present or former officer or employee of

                    
                                       11

<PAGE>



GoodNet; or (ii) any person, firm or corporation which is or was furnishin
professional or consulting services to GoodNet;

                  (i)  transferred or granted any rights under,  or entered into
any settlement  regarding the breach or  infringement  of, any license or any of
the Intellectual Property used in the businesses or operations of GoodNet;

                  (j)  declared  or made,  or agreed  to  declare  or make,  any
payment of dividends or  distributions  of any assets of any kind  whatsoever to
any of  its  stockholders  or any  affiliate  of  any  of its  stockholders,  or
purchased  or  redeemed,  or agreed to  purchase  or redeem,  any of its capital
stock,  or made or agreed to make any payment to any of its  stockholders or any
affiliate  of any of its  stockholders,  whether on account of debt,  management
fees or otherwise;

                  (k) suffered any material  adverse  change,  in any case or in
the  aggregate,  in its assets,  liabilities,  financial  condition,  results of
operations or business; or

                  (l) entered into any agreement or made any  commitment to take
any of the types of action described in any of the foregoing clauses (other than
clauses (f), (g) or (k)).

         SECTION 3.12 Employee Benefit Plans. Schedule 3.12 sets forth a list of
all the  employee  benefit  plans (as  defined in Section  3(3) of the  Employee
Retirement  Income  Security Act of 1974,  as amended  ("ERISA")),  programs and
arrangements  maintained  for the  benefit of any  current  or former  employee,
officer or director of GoodNet (collectively, the "GoodNet Benefit Plans"). Each
GoodNet  Benefit  Plan and any  related  trust  intended to be  qualified  under
Sections  401(a) and 501(a) of the Code has  received a favorable  determination
letter from the Internal Revenue Service that it is so qualified and nothing has
occurred  since the date of such  letter  that could  reasonably  be expected to
materially adversely affect the qualified status of such GoodNet Benefit Plan or
related  trust.  Each  GoodNet  Benefit  Plan has been  operated in all material
respects in accordance with the terms and requirements of applicable law and all
required  returns  and filings for each  GoodNet  Benefit  Plan have been timely
made.  Neither  GoodNet  nor any  entity  under  common  control  with  GoodNet,
including  but not  limited to  Telesoft,  has  incurred  any direct or indirect
liability under,  arising out of or by operation of Title I or Title IV of ERISA
in  connection  with any GoodNet  Benefit  Plan and no fact or event exists that
could  reasonably  be  expected  to  give  rise  to  any  such  liability.   All
contributions  due and  payable on or before the date  hereof in respect of each
GoodNet Benefit Plan have been made in full and in proper form.


                    
                                       12

<PAGE>



         SECTION 3.13 Labor Relations.  GoodNet is not a party to any collective
bargaining  agreement or other contract or agreement with any labor organization
or other representative of any of the employees of GoodNet.

         SECTION 3.14 Insurance Policies;  Claims.  Schedule 3.14 sets forth all
insurance  policies and bonds  maintained by or on behalf of GoodNet.  Except as
disclosed  in  Schedule  3.14,  the  insurance  policies  and bonds set forth in
Schedule  3.14 are  provided  by  reputable  insurers  or  issuers,  and provide
adequate coverage for all normal risks incident to the businesses of GoodNet and
its assets.  No claims have been made  against  GoodNet as a result of allegedly
defective  products and none of the  Stockholders  or GoodNet knows of any basis
for the assertion of any such claim. No insurance  policy issued to or on behalf
of GoodNet has ever been canceled by the policy issuer.

         SECTION 3.15      Intellectual Property.

                  (a) GoodNet owns or possesses all right, title and interest in
and to,  or a valid and  enforceable  license  or other  right to use all of the
Intellectual  Property (as defined below) that is material to the conduct of the
business of GoodNet.  To the knowledge of each of the Stockholders,  GoodNet has
not infringed,  misappropriated or otherwise violated any Intellectual  Property
of any other person. To the knowledge of each of the Stockholders,  no person is
infringing upon any Intellectual  Property right of GoodNet. All of the patents,
trademarks,  trade names, service marks, service names and copyrights comprising
the Intellectual  Property and all applications and  registrations  therefor are
listed on Schedule 3.15(a).

                  (b)   "Intellectual   Property"  means  all  patents,   patent
applications and patent  disclosures;  all inventions (whether or not patentable
and  whether or not  reduced to  practice);  all  registered  and  unregistered,
statutory and common law trademarks, service marks, trade dress, trade names and
corporate names and all the goodwill  associated  therewith;  all registered and
unregistered   statutory   and  common  law   copyrights;   all   registrations,
applications  and renewals for any of the foregoing;  all  protocols,  codes and
operating  systems;  and all trade  secrets,  confidential  information,  ideas,
formulae,  compositions,  know-how,  manufacturing and production  processes and
techniques,  research  information,  drawings,  specifications,   design  plans,
improvements,   proposals,   technical  and  computer  data,  documentation  and
software,  financial  business and marketing plans,  customer and supplier lists
and  related  proprietary   information,   marketing  materials  and  all  other
proprietary rights.

         SECTION 3.16     Personal Properties; Assets.  Schedule 3.16 sets forth
all of the personal  properties  and assets owned or leased by GoodNet.  GoodNet
(a) has good and marketable title to all such personal

                    
                                       13

<PAGE>



properties and assets owned by it (except personal  properties sold or otherwise
disposed of since the date  thereof in the  ordinary  course of  business),  and
those  personal  properties  acquired  after the date thereof and not thereafter
disposed of, free and clear of all Liens,  except (i) statutory  liens  securing
payments not yet due, and (ii) such  imperfections or  irregularities  of title,
claims, liens,  charges,  security interests or encumbrances which do not secure
monetary obligations and which do not materially affect the use or marketability
of the personal  properties  or assets  subject  thereto or affected  thereby or
otherwise materially impair GoodNet's business operations, and (b) is the lessee
of all other personal  property  reflected on Schedule 3.16. Each lease for such
personal property that is material to the businesses of GoodNet is valid without
default  thereunder  by  the  lessee  or,  to  the  knowledge  of  each  of  the
Stockholders,  lessor,  and GoodNet is in  possession  of the personal  property
purported to be leased thereunder. The personal properties and assets of GoodNet
are in good operating  condition and repair  (ordinary wear and tear  excepted),
and  constitute  all of the  personal  properties,  assets and rights  which are
necessary for the businesses and operations of GoodNet.

         SECTION 3.17 Bank  Accounts.  Schedule 3.17 sets forth the name of each
bank in which  GoodNet has an account or safe  deposit box,  vault,  lock-box or
other  arrangement,  the account number and  description of each account at each
bank and the names of all persons  authorized  to draw thereon or to have access
thereto;  and the names of all persons,  if any,  holding tax or other powers of
attorney from GoodNet.

         SECTION  3.18  Brokers.  Other  than fees  payable to and  expenses  of
Nesbitt  Burns,  which fees and expenses  will be paid by  Telesoft,  no broker,
finder or investment banker is entitled to any brokerage,  finder's or other fee
or commission in connection with the transactions contemplated by this Agreement
based  upon  arrangements  made  by or on  behalf  of  GoodNet  or  any  of  the
Stockholders.

         SECTION  3.19  Records.  The  books of  account,  minute  books,  stock
certificate books and stock transfer ledgers of GoodNet are complete and correct
in all material respects, and there have been no material transactions involving
GoodNet  of the type  typically  recorded  in such  records  that  have not been
recorded.

         SECTION 3.20 No Illegal or Improper  Transactions.  Neither GoodNet nor
any officer, director, employee, agent or affiliate of GoodNet has offered, paid
or agreed to pay to any person or entity  (including any governmental  official)
or  solicited,  received  or agreed to receive  from any such  person or entity,
directly or  indirectly,  any money or anything of value for the purpose or with
the intent of (i) obtaining or maintaining  business for the benefit of GoodNet,
(ii) illegally or improperly facilitating the purchase or sale of any product or
service,  or (iii) avoiding the imposition of any fine or penalty, in any manner
which is in violation of any applicable ordinance, regulation or law.


                 
                                       14

<PAGE>



         SECTION  3.21  Related  Transactions.  Except as  disclosed in Schedule
3.21, and for compensation and related  arrangements with employees for services
rendered consistent with past practices, no current or former director, officer,
employee or stockholder  of GoodNet is presently,  or since November 1, 1995 has
been, (a) a party to any transaction  with GoodNet  (including,  but not limited
to, any contract,  agreement or other arrangements  providing for the furnishing
of  services  by, or rental of real or  personal  property  from,  or  otherwise
requiring payments to, any such director, officer, employee or shareholder),  or
(b) the  direct or  indirect  owner of an  interest  in any  corporation,  firm,
association or business organization which is a present competitor,  supplier or
customer of GoodNet,  nor does any such  person  receive  income from any source
other than GoodNet which relates to the business of, or should  properly  accrue
to, GoodNet.

         SECTION 3.22 Disclosure.  No  representation  or warranty by any of the
Stockholders contained in this Agreement or any Schedule hereto contains or will
contain any untrue statement of a material fact or omits or will omit to state a
material  fact  necessary in order to make the  statements  contained  herein or
therein not misleading.  Any furnishing of information to the WinStar Parties by
the  GoodNet  Parties  pursuant  to,  or  otherwise  in  connection  with,  this
Agreement,  including,  without  limitation,  any  information  contained in any
document,  contract,  book or record of GoodNet or Telesoft to which the WinStar
Parties shall have access or any information  obtained by, or made available to,
the WinStar Parties as a result of any investigation made by or on behalf of the
WinStar Parties prior to or after the date of this  Agreement,  shall not affect
the WinStar Parties' right to rely on any representation,  warranty, covenant or
agreement  made or deemed made by the  Stockholders  in this Agreement and shall
not be deemed a waiver thereof.

         SECTION 3.23      Environmental, Health and Safety  Matters.

                  (a) GoodNet is in compliance  with  Environmental,  Health and
Safety  Requirements,  except for such  noncompliance as would not reasonable be
expected to have, either singly or in the aggregate,  a GoodNet Material Adverse
Effect.

                  (b) GoodNet has not  received  any written  notice,  report or
other  information  regarding  any  actual  or  alleged  material  violation  of
Environmental,  Health, and Safety Requirements,  or any material liabilities or
potential  material   liabilities   (whether  accrued,   absolute,   contingent,
unliquidated or otherwise), including any investigatory,  remedial or corrective
obligations,  relating to GoodNet or its property  arising under  Environmental,
Health,  and Safety  Requirements,  the  subject of which  would  reasonably  be
expected to have, either singly or in the aggregate,  a GoodNet Material Adverse
Effect.


                   
                                       15

<PAGE>



                  (c)  This  Section  3.23   contains  the  sole  and  exclusive
representations   and  warranties  of  the  Stockholders  with  respect  to  any
environmental,  health,  or safety  matters,  including  without  limitation any
arising under any Environmental, Health, and Safety Requirements.

         SECTION  3.24 Year 2000  Compliance.  All  operating  codes,  programs,
utilities and other software,  as well as all hardware and systems,  utilized by
GoodNet in its  businesses,  or in the  provisions  of services  by GoodNet,  or
comprising  software,  hardware and/or systems sold by GoodNet to third parties,
are designed to record, store, process, and present calendar dates falling on or
after January 1, 2000 in the same manner,  and with the same  functionality,  as
provided on or before  December 31, 1999. Such software and hardware is designed
to not lose  functionality  or degrade in  performance  as a consequence of such
software operating at a date later than December 31, 1999.

         SECTION 3.25 Internet  Protocol Address.  GoodNet possesses  sufficient
Internet Protocol ("IP") addresses to meet its current and projected  operations
and maintains  adequate  records to establish  current use of same. No event has
occurred and no circumstances  exist,  including but not limited to execution of
and  performance  of the  transactions  contemplated  by this  Agreement and the
Sharing  Agreement  and  any  switching  by  GoodNet  of  its  upstream  service
providers, that would require IP address renumbering or reapplication.

         SECTION 3.26 Investment Representations. Each Stockholder represents as
to itself that all WinStar Stock to be acquired by such Stockholder  pursuant to
this  Agreement  will be acquired  for its  account and not with a view  towards
distribution  thereof.  Each  Stockholder   represents  as  to  itself  that  it
understands that it must bear the economic risk of the investment in the WinStar
Stock,  which  cannot  be  sold by it  unless  they  are  registered  under  the
Securities  Act,  or  an  exemption  therefrom  is  available  thereunder.  Each
Stockholder  represents as to itself that it has had both the opportunity to ask
questions and receive answers from the officers and directors of WinStar and all
persons  acting on WinStar's  behalf  concerning  the business and operations of
WinStar and to obtain any additional information to the extent WinStar possesses
or may possess such information or can acquire it without unreasonable effort or
expense necessary to verify the accuracy of such  information.  Each Stockholder
represents  as to itself  that it has  received  copies of the  WinStar  Reports
described in Section 4.04. The certificates representing the WinStar Stock shall
bear legends to the effect that the WinStar Stock may not be transferred  except
upon compliance with (i) the registration requirements of the Securities Act (or
an exemption therefrom) and (ii) the provisions of this Agreement and the Escrow
Agreement. Each Stockholder acknowledges, as to itself, that it is either (i) an
"accredited  investor" as such term is defined in Rule 501(a)  promulgated under
the  Securities  Act or  (ii)  a  person  possessing  sufficient  knowledge  and
experience in financial and business matters to enable it to evaluate the merits
and risks of an investment in WinStar.

                  
                                       16

<PAGE>




         SECTION 3.27 Material Adverse Changes. Since August 31, 1997, there has
not been any  material  adverse  change in the  assets,  liabilities,  financial
condition, results of operations or business of GoodNet.

                                   ARTICLE IV
                    REPRESENTATIONS AND WARRANTIES OF WINSTAR
                            AND THE MERGER SUBSIDIARY


         Each of the WinStar  Parties,  jointly and  severally,  represents  and
warrants to the Stockholders as follows:

         SECTION 4.01 Organization. Each of the WinStar Parties is a corporation
duly  organized,  validly  existing and in good  standing  under the laws of its
respective state of  incorporation.  Each of the WinStar Parties is qualified to
do business  in each state  where the nature of the  business it conducts or the
properties it owns,  leases or operates  requires it to so qualify  except where
the failure to so qualify would not,  singly or in the aggregate,  be reasonably
expected  to have a  material  adverse  effect  on the  results  of  operations,
financial condition, business or assets of any of the Merger Subsidiary, WinStar
or any of the subsidiaries of WinStar (collectively, the "WinStar Companies") or
materially  impair either of the WinStar  Partners'  ability to  consummate  the
transactions  contemplated  by  this  Agreement  (a  "WinStar  Material  Adverse
Effect").  Each of the WinStar Parties has all requisite corporate power to own,
lease and operate its properties and to carry on its business.

         SECTION 4.02 Authority;  Corporate Action.  Each of the WinStar Parties
has all necessary  corporate  power and authority to enter into this  Agreement,
and WinStar has all  necessary  corporate  power and authority to enter into the
Registration  Rights Agreement,  the Sharing Agreement and the Escrow Agreement,
and, in case of each of the WinStar  Parties,  to  consummate  the  transactions
contemplated by the respective  agreements to which it is a party. All corporate
action  necessary to be taken by the WinStar Parties to authorize the execution,
delivery and performance of this Agreement,  the Registration  Rights Agreement,
the  Sharing  Agreement  and  the  Escrow  Agreement  and all  other  agreements
delivered  by  the  WinStar   Parties  in  connection   with  the   transactions
contemplated  hereby or thereby has, or at the Closing will have been,  duly and
validly taken and this Agreement,  the Escrow Agreement, the Registration Rights
Agreement and the Sharing  Agreement and such other  agreements and  instruments
have been duly  executed and  delivered by each of the WinStar  Parties that are
party thereto.  Subject to the terms and conditions hereof, this Agreement,  the
Registration  Rights  Agreement,  the Sharing Agreement and the Escrow Agreement
constitute  valid,  binding and  enforceable  obligations of each of the WinStar
Parties that are party  thereto,  enforceable  in  accordance  with their terms,
except as enforceability  may be limited by applicable  bankruptcy,  insolvency,
reorganization,  moratorium,  fraudulent  transfer  or  similar  laws of general
application now or hereafter in effect

                     
                                       17

<PAGE>



affecting  the rights and remedies of  creditors  and by general  principles  of
equity (regardless of whether enforcement is sought in a proceeding at law or in
equity).

         SECTION 4.03      No Conflict; Required Filings and Consents.

                  (a) The execution and delivery of this  Agreement (and each of
the other agreements contemplated hereby) by each of the WinStar Parties do not,
and the performance by each of the WinStar Parties of its respective obligations
under this Agreement (and each of the other agreements contemplated hereby) will
not, (i) conflict with or violate the Certificate of  Incorporation,  By-laws or
other  organizational  documents of any of the WinStar Companies,  (ii) conflict
with or violate any law, statute,  ordinance, rule, regulation,  order, judgment
or decree  applicable  to any of the WinStar  Companies or by which any of their
respective  properties  or assets is bound or  affected,  or (iii) result in any
breach of or  constitute  a default  (or an event  which with notice or lapse of
time or both  would  become a  default)  under,  or give to others any rights of
termination,  amendment,  acceleration  or  cancellation  of,  or  result in the
creation  of a Lien on any of the  properties  or assets  of any of the  WinStar
Companies pursuant to, any note, bond, mortgage, indenture, contract, agreement,
lease, license, permit, franchise or other instrument or obligation to which any
of the WinStar  Companies is a party or by which any of the WinStar Companies or
any of their respective  properties or assets is bound or affected,  except,  in
the case of clauses (ii) and (iii),  above, for any such conflicts,  violations,
breaches, defaults or other alterations or occurrences that would not reasonably
be expected  to have,  either  singly or in the  aggregate,  a WinStar  Material
Adverse Effect.

                  (b) The execution and delivery of this  Agreement (and each of
the other agreements contemplated hereby) by each of the WinStar Parties do not,
and the  performance  of  this  Agreement  (and  each  of the  other  agreements
contemplated  hereby)  by each of the  WinStar  Parties  will not,  require  any
consent,  approval,  authorization  or permit of, or filing with or notification
to, any Governmental  Entity,  except (i) for (a) compliance with the applicable
requirements,  if any, of the Exchange Act,  Securities  Act,  state  securities
laws, state takeover laws, Nasdaq and the HSR Act and (b) filing and recordation
of appropriate merger documents as required by the laws of the State of Arizona,
and (ii) where failure to obtain such  consents,  approvals,  authorizations  or
permits,  or to make such  filings or  notifications,  would not  reasonably  be
expected to have, either singly or in the aggregate,  a WinStar Material Adverse
Effect.

         SECTION 4.04      Securities and Exchange Commission Reports.

                  (a) WinStar has filed all forms, reports, statements and other
documents  required  to be filed with the  Commission  and has  heretofore  made
available to the GoodNet  Parties,  in the same form filed with the  Commission,
together with any amendments  thereto,  copies of its (i)  Transition  Report on
Form 10-K

              
                                       18

<PAGE>



for the ten months ended  December  31, 1995 and Annual  Report on Form 10-K for
the year ended  December 31, 1996 and all  Quarterly  Reports on Form 10-Q filed
since  January  1, 1996,  (ii) all proxy  statements  relating  to  meetings  of
stockholders  (whether  annual or  special)  since  January 1,  1996,  (iii) all
reports  on Form 8-K  since  January  1,  1996 and (iv)  all  other  reports  or
registration  statements  (as of  their  respective  effective  dates)  filed by
WinStar since January 1, 1996 (collectively, the "WinStar Reports"). As of their
respective  filing  dates,  the WinStar  Reports (i)  complied as to form in all
material  respects with the  requirements of the Exchange Act and the Securities
Act and (ii) did not contain any untrue  statement of a material fact or omit to
state a material  fact  required to be stated  therein or  necessary to make the
statements  therein,  in the light of the  circumstances  under  which they were
made, not misleading.

                  (b) The financial  statements of the WinStar Companies for the
ten months ended  December 31, 1995 and the year ended December 31, 1996 audited
and reported on by Grant  Thornton and  unaudited  financial  statements  of the
WinStar  Companies for the nine months ended  September 30, 1997  (collectively,
the "WinStar  Financial  Statements") are contained in the Annual Report on Form
10-K for the year ended December 31, 1996 and the Quarterly  Report on Form 10-Q
for the quarter ended September 30, 1997,  respectively,  each of which has been
delivered  to the GoodNet  Parties as part of the WinStar  Reports.  The WinStar
Financial Statements,  including all related notes and schedules thereto, fairly
present in all material  respects  the  consolidated  financial  position of the
WinStar  Companies  as at the  respective  dates  thereof  and the  consolidated
results of  operations  and cash flows of the WinStar  Companies for the periods
indicated in accordance with GAAP applied on a consistent  basis  throughout the
periods  involved  (except as may be noted therein) and subject,  in the case of
interim financial statements, to normal year-end adjustments.

         SECTION  4.05  Litigation.  Other  than  as  described  in the  WinStar
Reports,  there  are  no  actions,  suits,  arbitrations,  mediations  or  other
proceedings  pending  or,  to the  knowledge  of any  of  the  WinStar  Parties,
threatened  against WinStar or the Merger  Subsidiary at law or in equity before
any court, Federal,  state, municipal or other governmental department or agency
or other tribunal,  which would reasonably be expected to have, either singly or
in the aggregate,  a WinStar Material Adverse Effect. Except as described in the
WinStar  Reports,  neither  WinStar  nor its  property  is subject to any order,
judgment,  injunction  or  decree  which  could  have,  either  singly or in the
aggregate,  a WinStar Material Adverse Effect. No claim,  action,  proceeding or
investigation  is pending  or, to the best  knowledge  of either of the  WinStar
Parties,  threatened,  which seeks to delay or prevent the  consummation  of the
transactions contemplated hereby.

         SECTION 4.06 Disclosure. No representation or warranty by either of the
WinStar Parties  contained in this Agreement or any Schedule hereto,  when taken
together with the WinStar Reports, contains or will contain any untrue statement
of a material fact or omits or will omit to state a material  fact  necessary in
order

                   
                                       19

<PAGE>



to  make  the  statements  contained  herein  or  therein  not  misleading.  Any
furnishing of information to the GoodNet Parties by the WinStar Parties pursuant
to,  or  otherwise  in  connection  with,  this  Agreement,  including,  without
limitation, any information contained in any document,  contract, book or record
of any of the WinStar  Parties to which the GoodNet Parties shall have access or
any  information  obtained by, or made  available  to, the GoodNet  Parties as a
result of any investigation made by or on behalf of the GoodNet Parties prior to
or after the date of this Agreement, shall not affect the GoodNet Parties' right
to rely on any  representation,  warranty,  covenant or agreement made or deemed
made by the WinStar  Parties in this  Agreement and shall not be deemed a waiver
thereof.

         SECTION  4.07  Brokers.  No  broker,  finder  or  investment  banker is
entitled to any  brokerage,  finder's or other fee or  commission  in connection
with the transaction contemplated by this Agreement based upon arrangements made
by or on behalf of the WinStar Parties.

         SECTION 4.08 Material  Adverse Change.  Since September 30, 1997, there
has not been any material adverse change in the assets,  liabilities,  financial
condition, results of operations or business of WinStar; provided, however, that
neither  continued net losses from  operations  or negative cash flows,  nor any
decease in the market  price of the WinStar  Stock shall  constitute a "material
adverse change."

         SECTION 4.09 WinStar Stock. The shares of WinStar Stock to be issued to
the  Stockholders  pursuant to this  Agreement  will,  when  issued,  be validly
issued, fully paid and non-assessable.

                                    ARTICLE V
      NATURE AND SURVIVAL OF REPRESENTATIONS AND WARRANTIES OF THE PARTIES.

         SECTION  5.01  Survival.  Each  statement,  representation,   warranty,
covenant and  agreement  made or deemed made by any Party to another  under this
Agreement shall remain in effect continuously to and following the Closing,  and
shall  terminate  at  such  time  as the  obligation  to  indemnify  under  such
statement,  representation,  warranty, covenant or agreement under Section 10.01
or 10.02, as the case may be, so terminates.

         SECTION 5.02  Nonwaiver  of Rights.  The  representations,  warranties,
covenants and  agreements  made or deemed made by any Party to another shall not
be affected  or deemed  waived by reason of the fact that  another  Party or its
representatives  knew or  should  have  known  that  any  such  representations,
warranties, covenants or agreement is or might be inaccurate in any respect. Any
furnishing of information  by any Party to another  pursuant to, or otherwise in
connection with, this Agreement,  including, without limitation, any information
contained in any document,  contract,  book or record of the delivering Party to
which

                    
                                       20

<PAGE>



another  Party  shall  have  access  or any  information  obtained  by,  or made
available to, any Party as a result of any investigation made by or on behalf of
such Party prior to or after the date of this  Agreement,  shall not affect such
Party's  right to rely on any  representation,  warranty,  covenant or agreement
made or deemed made by another Party in this Agreement and shall not be deemed a
waiver thereof.

                                   ARTICLE VI
                          COVENANTS OF THE STOCKHOLDERS

         SECTION 6.01 Conduct of Business.  The Stockholders  covenant and agree
that,  from the date hereof  through the Closing  Date,  except as otherwise set
forth in this  Agreement  or agreed to by WinStar in  writing,  they shall cause
GoodNet to:

                  (a) conduct its business only in the ordinary  course and in a
manner  consistent  with  the  current  practice  of  such  business,   preserve
substantially intact the business  organization of GoodNet, use its best efforts
to keep available the services of the current  employees of GoodNet and preserve
the current relationships of GoodNet with customers and other persons with which
GoodNet has significant business relations,  and comply with all requirements of
law, the violation of which would reasonably be expected to have,  either singly
or in the aggregate, a GoodNet Material Adverse Effect;

                  (b) not  pledge,  sell,  transfer,  dispose  of, or  otherwise
encumber or grant any rights or interests to others of any kind with respect to,
all or any  part  of  its  capital  stock  or  enter  into  any  discussions  or
negotiations with any other party to do so;

                  (c) not pledge, sell, lease, transfer, dispose of or otherwise
encumber any of its property or assets other than consistent with past practices
and in the  ordinary  course  of  business  or  enter  into any  discussions  or
negotiations with any other party to do so;

                  (d) not (i) issue  any  shares  of its  capital  stock nor any
options,  obligations,  rights, warrants or other securities convertible into or
exchangeable  for its capital stock,  or any other class of securities,  whether
debt or equity,  of GoodNet;  or (ii) amend or otherwise modify the terms of any
such  securities,   options,  obligations,   rights  or  warrants  in  a  manner
inconsistent  with the provisions of this Agreement or the effect of which shall
be to make such terms more favorable to the holders thereof;

                  (e) not declare any dividend or make any distribution in cash,
securities  or  otherwise on the  outstanding  shares of its capital  stock,  or
directly or indirectly redeem or purchase any such capital stock;


                   
                                       21

<PAGE>



                  (f) not, in any manner  whatsoever,  advance,  transfer (other
than in payment for goods received or services  rendered in the ordinary  course
of  business)  or  distribute  to  any  of the  Stockholders  or  any  of  their
affiliates,  or  otherwise  withdraw,  cash or cash  equivalents  in any  manner
inconsistent with established cash management practices,  except to pay existing
obligations of GoodNet in accordance with their terms;

                  (g) not make,  agree to make or announce  any general  wage or
salary  increase  or enter  into or amend any  employment  contract  or,  unless
provided for by contract  executed on or before the date of this  Agreement  and
provided to the WinStar Parties,  increase the compensation payable or to become
payable to any of its officers or employees or adopt or increase the benefits of
any  bonus,  insurance,  pension  or other  employee  benefit  plan,  payment or
arrangement,  except  for  those  increases,  consistent  with  past  practices,
normally  occurring  as the result of  regularly  scheduled  salary  reviews and
increases,  and except for increases directly or indirectly required as a result
of changes in applicable law or regulations;

                  (h) not make any capital expenditures,  except in the ordinary
course of business and consistent with past practices;

                  (i) not  propose or adopt any  amendments  to its  Articles of
Incorporation or By-laws, except as contemplated hereby;

                  (j)  not  merge  or  consolidate   with,  or  acquire  all  or
substantially all of the assets of, or otherwise acquire any business operations
of, any person or entity or enter into any agreement for any of the foregoing;

                  (k) not (i) change any of its methods of  accounting in effect
at November 30, 1996,  or (ii) make or rescind any  material,  express or deemed
election  relating to taxes,  settle or compromise any material  claim,  action,
suit, litigation, proceeding,  arbitration,  investigation, audit or controversy
relating  to  taxes,  or  change  any of its  methods  of  reporting  income  or
deductions   for  Federal  income  tax  purposes  from  those  employed  in  the
preparation  of the  Federal  income tax  returns  for the  taxable  year ending
November 30, 1996,  except,  in the case of clause (i) or clause (ii), as may be
required by law or GAAP;

                  (l) except pursuant to this Agreement,  not prepay, before the
scheduled  maturity thereof,  any of its long-term debt, or incur any obligation
for  borrowed  money,  whether or not  evidenced by a note,  bond,  debenture or
similar instrument,  other than indebtedness  incurred in the ordinary course of
business consistent with past practices;


                    
                                       22

<PAGE>



                  (m) not  enter  into or  modify in any  material  respect  any
Material  Contract,  Lease  or  Permit  other  than in the  ordinary  course  of
business;

                  (n) not take any action  that  will,  or could  reasonably  be
expected to, result in any of its  representations  and  warranties set forth in
this  Agreement  being  inaccurate or in any of the conditions to the Merger not
being satisfied; or

                  (o) not agree in writing or otherwise to do any of the
foregoing.

         SECTION 6.02      Access to Information; Confidentiality.

                  (a) Between the date of this  Agreement  and the Closing Date,
the   GoodNet   Parties   will  (i)  permit  the   WinStar   Parties  and  their
Representatives  reasonable  access to all of the books,  records,  reports  and
other related materials, offices and other facilities and properties of GoodNet;
(ii)  permit  the  WinStar  Parties  and  their  Representatives  to  make  such
inspections  thereof  as they may  reasonably  request;  and (iii)  furnish  the
WinStar Parties and their Representatives with such financial and operating data
(including  without  limitation  the work papers of GoodNet's  accountants)  and
other  information  with respect to GoodNet as the WinStar Parties may from time
to time reasonably request.

                  (b) Between the date of this  Agreement  and the Closing Date,
employees  or  Representatives  of  WinStar  may  meet  with and  interview  all
employees  of  GoodNet  at  reasonable  times  during  business  hours as may be
arranged by WinStar and GoodNet.

                  (c) Each of the  GoodNet  Parties  shall hold and shall  cause
their Representatives to hold in strict confidence, unless compelled to disclose
by judicial  or  administrative  process or by other  requirements  of law,  all
documents and information  concerning any of the WinStar Companies  furnished to
them by the WinStar  Parties or their  Representatives  in  connection  with the
transactions  contemplated  by this  Agreement  (except to the extent  that such
information can be shown to have been (i) previously known by any of the GoodNet
Parties,  (ii) in the  public  domain  through  no fault  of any of the  GoodNet
Parties or (iii) later  lawfully  acquired by any of the  GoodNet  Parties  from
another  source,  which  source  shall  not be the  agent of any of the  WinStar
Companies  or person  under  confidentiality  obligation  to any of the  WinStar
Companies)  and,  except  as  otherwise  required  by  applicable  law,  rule or
regulation,  none  of  the  GoodNet  Parties  shall  release  or  disclose  such
information  to any other  person,  except its auditors,  actuaries,  attorneys,
financial advisors,  bankers and other consultants and advisors who need to know
same in connection with this Agreement.


                    
                                       23

<PAGE>



         SECTION 6.03 Maintenance of Assets; Insurance. Between the date of this
Agreement and the Closing Date, the Stockholders shall cause GoodNet to continue
to maintain  and service the assets of GoodNet  consistent  with past  practice.
Through the Closing Date,  GoodNet shall maintain  insurance  policies providing
insurance  coverage for its business and the assets of GoodNet of the kinds,  in
the  amounts  and  against  the  risks as are  commercially  reasonable  for the
businesses and risks covered.

         SECTION 6.04 Employment and Noncompete Agreements. On the Closing Date,
Jeffrey Pitts and David Wayrynen shall each, and Beada shall cause David Jemmett
to,  terminate  any existing  employment  agreement he may have with GoodNet and
enter into an employment and noncompete agreement (the "Employment  Agreements")
with GoodNet, in the form of Exhibit D(i), D(ii) and D(iii), respectively.

         SECTION 6.05 Sharing Agreement.  On the Closing Date,  Telesoft and the
Surviving Corporation shall enter into an agreement ("Sharing Agreement") in the
form of Exhibit E hereto  providing  for the sharing  between  Telesoft  and the
Surviving  Corporation  of certain of  Telesoft's  office and  switching  space,
billing systems and other specific resources and assets described in the Sharing
Agreement.

         SECTION  6.06 No Other  Negotiations.  Unless and until this  Agreement
shall have been terminated pursuant to its terms, none of the GoodNet Parties or
any of their Representatives shall, directly or indirectly,  solicit, institute,
initiate,  pursue  or  enter  into  any  inquiries,  discussions,  proposals  or
negotiations with any person concerning any merger,  sale of substantial assets,
tender offer, sale of shares of stock or similar  transaction  involving GoodNet
or disclose,  directly or indirectly,  any information not customarily disclosed
to the  public  concerning  GoodNet,  afford to any other  person  access to the
properties,  books or  records  of  GoodNet,  or  otherwise  assist  any  person
preparing  to make or who has made such an offer,  or enter  into any  agreement
with any third party providing for a business  combination  transaction,  equity
investment or sale of significant amount of assets of GoodNet.

         SECTION  6.07  Composition  of GoodNet  Board and Offices At  Effective
Time. The Stockholders  shall take all necessary  actions to ensure that, at the
Effective  Time,  the Board of  Directors  of GoodNet is  comprised  of, and the
offices of GoodNet are occupied by, the persons set forth in Schedule  1.06.  It
is agreed and  acknowledged  that all directors  comprising  GoodNet's  Board of
Directors following the Effective Time shall serve at the pleasure of WinStar.

         SECTION 6.08 No Securities  Transactions.  None of the GoodNet  Parties
shall engage in any  transactions  involving the  securities of WinStar prior to
the Closing Date, and,  thereafter,  any of the Stockholders that is an employee
of the Surviving  Corporation  or any of the other WinStar  Companies  shall not
engage in any such transaction except as allowed under WinStar's policies.

                    
                                       24

<PAGE>




         SECTION 6.09  Fulfillment of  Conditions.  The  Stockholders  shall use
their  best  efforts  to  fulfill,  or cause  to be  fulfilled,  the  conditions
specified in Article IX to the extent that the fulfillment of such conditions is
within their control.  The foregoing  obligation  includes  taking or refraining
from such  actions as may be necessary  to fulfill  such  conditions  (including
causing  GoodNet to conduct  its  businesses  in such manner that on the Closing
Date the  representations  and warranties of the  Stockholders  contained herein
shall be  accurate  as though  then made,  except as  contemplated  by the terms
hereof).

         SECTION 6.10 Disclosure of Certain Matters.  During the period from the
date hereof through the Closing Date, the GoodNet Parties shall give the WinStar
Parties prompt  written notice of any event or development  that occurs that (a)
had it existed or been known on the date hereof  would have been  required to be
disclosed under this Agreement,  (b) would cause any of the  representations and
warranties of any of the GoodNet  Parties  contained  herein to be inaccurate or
otherwise  misleading,  (c) gives  GoodNet any reason to believe that any of the
conditions set forth in Article IX will not be satisfied,  or (d) is of a nature
that is or may be materially  adverse to the operations,  prospects or condition
(financial or otherwise) of GoodNet.

         SECTION 6.11 Certain  Consents.  The GoodNet  Parties,  in consultation
with the WinStar Parties and their Representatives, shall use their best efforts
to obtain  consents  under all  Material  Contracts,  Leases and Permits and all
other  instruments  to which  GoodNet  is a party or by which it is bound  which
require the consent of any other party or person  either by the terms thereof or
as a matter of law in connection with the Merger.

         SECTION  6.12  Reduction  of  Liabilities.   Telesoft  shall  take  all
necessary  actions to ensure that the only liabilities of GoodNet at the Closing
Date  are  (i)  trade  payables  arising  in the  ordinary  course  of  business
(consistent  with past  practices),  not in excess of  $1,151,000,  and (ii) the
Brady  Obligation.  Notwithstanding  the  foregoing  and  without  limiting  the
obligations  under this covenant,  any payables or other amounts owed by GoodNet
to  Telesoft  or any  affiliate  of Telesoft  shall only be  eliminated  through
contributions to capital, conversion of debt to equity or by other means that do
not have,  either singly or in the aggregate,  a GoodNet Material Adverse Effect
or any adverse tax consequences to GoodNet .

         SECTION  6.13  Non-use  of Name.  From and  after the date  hereof,  no
Stockholder  shall  establish  or  otherwise be  associated  with,  as an owner,
partner,  shareholder,  employee or otherwise,  any firm which utilizes the name
"GoodNet"  or any  variant  thereof as part of its  business  name other than in
connection  with their  employment  by GoodNet  itself after the Closing Date or
grant to any person or entity the right to use he name  "GoodNet" or any variant
thereof.


                     
                                       25

<PAGE>



         SECTION 6.14 Audited Financial Statements. Promptly after the execution
of this Agreement,  Telesoft shall cause its  independent  auditors to audit the
books and  records  of GoodNet  as of  November  30,  1997 for the  purposes  of
delivering to WinStar on or prior to the Closing Date the  financial  statements
referred to in Section 9.03(j).

         SECTION 6.15 Maintenance of GoodNet Employee Medical Benefits. From the
date hereof, through the last day of the month in which the Closing takes place,
Telesoft shall continue to afford coverage under its existing health and medical
plans to those  employees of GoodNet that are covered under such plans as of the
date hereof.

                                   ARTICLE VII
                        COVENANTS OF THE WINSTAR PARTIES

         SECTION 7.01  Fulfillment  of  Conditions.  From the date hereof to the
Closing, the WinStar Parties shall use their best efforts to fulfill or cause to
be  fulfilled  the  conditions  specified  in Article IX to the extent  that the
fulfillment of such conditions is within their control. The foregoing obligation
includes  taking or refraining  from such actions as may be necessary to fulfill
such  conditions  (including  conducting  the  business  of each of the  WinStar
Companies  in such  manner  that on the  Closing  Date the  representations  and
warranties of the WinStar Parties  contained  herein shall be accurate as though
then made).

         SECTION 7.02      Access to Information; Confidentiality.

                  (a) Between the date of this  Agreement  and the Closing Date,
the   WinStar   Parties   will  (i)  permit  the   GoodNet   Parties  and  their
Representatives  reasonable  opportunity  to meet with and ask  questions of the
appropriate  officers of WinStar and shall furnish the GoodNet Parties and their
Representatives  with such  appropriate  financial and operating  data and other
information with respect to WinStar as the GoodNet Parties may from time to time
reasonably request.

                  (b) Each of the  WinStar  Parties  shall hold and shall  cause
their Representatives to hold in strict confidence, unless compelled to disclose
by judicial  or  administrative  process or by other  requirements  of law,  all
documents and  information  concerning any of the GoodNet  Parties  furnished to
them by the GoodNet  Parties or their  Representatives  in  connection  with the
transactions  contemplated  by this  Agreement  (except to the extent  that such
information can be shown to have been (i) previously known by any of the WinStar
Parties,  (ii) in the  public  domain  through  no fault  of any of the  WinStar
Parties or (iii) later  lawfully  acquired by any of the  WinStar  Parties  from
another  source,  which  source  shall  not be the  agent of any of the  GoodNet
Parties or person under confidentiality obligation to any of the GoodNet Parties
and, except as

                 
                                       26

<PAGE>



otherwise  required by applicable  law, rule or regulation,  none of the WinStar
Parties shall release or disclose such  information to any other person,  except
its  auditors,  actuaries,  attorneys,  financial  advisors,  bankers  and other
consultants  and  advisors  who  need  to  know  same in  connection  with  this
Agreement.

         SECTION 7.03 Filing of Additional  Listing  Application with Nasdaq. As
soon as practicable  after the execution of this  Agreement,  WinStar shall file
with Nasdaq an application to approve  listing on the Nasdaq  National Market of
the shares of WinStar Stock issuable as part of the Merger Consideration.

         SECTION 7.04 Reimbursement of Telesoft for GoodNet Operating  Expenses.
At the Closing, WinStar shall reimburse Telesoft for cash advances made by it to
GoodNet in order for GoodNet to continue its  operations  during the period from
November 12, 1997 through the Closing  Date,  less all payments  made by GoodNet
during such period to pay any liabilities other than ordinary operating expenses
(payroll,  insurance,  etc.) and trade  payables;  provided,  however,  that the
amount of such reimbursement shall not exceed $250,000.

                                  ARTICLE VIII
                         JOINT COVENANTS OF THE PARTIES

         SECTION 8.01 Further  Action.  Each of the Parties  shall  execute such
documents  and other papers and take such further  actions as may be  reasonably
required or desirable to carry out the  provisions  hereof and the  transactions
contemplated  hereby.  Upon the terms and subject to the conditions hereof, each
of the Parties  shall use its best  efforts to take,  or cause to be taken,  all
actions and to do, or cause to be done,  all other things  necessary,  proper or
advisable  to  consummate  and make  effective  as promptly as  practicable  the
transactions contemplated by this Agreement.

         SECTION  8.02  Schedules.  The  Parties  shall have the  obligation  to
supplement  or  amend  the  Schedules  being  delivered  concurrently  with  the
execution  of this  Agreement  and  annexed  hereto  with  respect to any matter
hereafter  arising or discovered which, if existing or known at the date of this
Agreement,  would  have  been  required  to be set  forth  or  described  in the
Schedules.  The  obligations of the Parties to amend or supplement the Schedules
being delivered  herewith shall  terminate on the Closing Date.  Notwithstanding
any such amendment or supplementation,  except as otherwise provided herein, the
representations  and  warranties of the Parties shall be made with  reference to
the Schedules as they exist at the time of execution of this Agreement.

         SECTION  8.03  Regulatory  and Other  Authorizations.  The Parties will
promptly  make all  necessary  filings and use their best  efforts to obtain all
authorizations, consents, orders and approvals of all Federal,

                     
                                       27

<PAGE>



state and other  regulatory  bodies  and  officials  that are  required  for the
consummation of the transactions  contemplated by this Agreement,  including but
not  limited  to  Nasdaq,  the  Department  of  Justice  and the  Federal  Trade
Commission and  self-regulatory  agencies,  and will  cooperate  fully with each
other in connection therewith.

         SECTION  8.04  Filing of Current  Reports on Form 8-K.  Promptly  after
execution of this Agreement,  each of WinStar and Telesoft shall file, if and as
required  under the Exchange Act, a Current Report on Form 8-K ("8-Ks") with the
Securities and Exchange Commission ("SEC") to report the proposed Merger and the
terms thereof. The Parties shall cooperate in the drafting of the 8-Ks and shall
provide  each  other  with  drafts of such 8-Ks prior to filing of same with the
SEC. Each Party shall be entitled to  reasonable  review and comment on the 8-Ks
of the other.

         SECTION  8.05  Reorganization.  Unless  all  the  other  Parties  shall
otherwise agree in writing, none of WinStar, GoodNet, the Stockholders or any of
their  respective  affiliates  shall  knowingly  take or omit to take any action
which  action or  omission  would  jeopardize  qualification  of the Merger as a
reorganization   within  the  meaning  of  Section   368(a)  of  the  Code.  The
Stockholders  acknowledge  that  WinStar's  compliance  with  the  terms  of the
Registration  Rights Agreement (as defined) shall not be deemed to so jeopardize
qualification of the Merger.

                                   ARTICLE IX
                              CONDITIONS TO CLOSING

         SECTION 9.01  Conditions to Each Party's  Obligations.  The  respective
obligations  of each Party to consummate  the Merger and the other  transactions
contemplated  by this Agreement  shall be subject to the fulfillment at or prior
to the Closing Date of the following conditions:

                  (a)  Regulatory  Approvals.  The Department of Justice and the
Federal Trade  Commission  and any other  federal,  state or local  governmental
agency or  self-regulatory  agency whose approval or consent is required for the
consummation of the  transactions  contemplated by the Agreement each shall have
approved such  transactions  and all required  waiting periods under the HSR Act
shall have expired;

                  (b) Nasdaq Listing Application. Nasdaq shall have approved the
listing  of  the  shares  of  WinStar  Stock   comprising  part  of  the  Merger
Consideration pursuant to Section 2.02, subject to official notice of issuance;


                     
                                       28

<PAGE>



                  (c) Directors and Officers of GoodNet.  The persons  listed in
Schedule 1.06 shall have been appointed  directors or elected  officers,  as the
case  may be,  of  GoodNet  and  each  such  person  shall  have  accepted  such
appointment; and

                  (d) No Governmental Order or Regulation. There shall not be in
effect  any  order,  decree  or  injunction  (whether   preliminary,   final  or
appealable) of a United States Federal or state court of competent jurisdiction,
and no regulation  shall have been enacted or  promulgated  by any  governmental
authority or agency, that prohibits consummation of the Merger.

         SECTION 9.02 Conditions to Obligations of GoodNet and the Stockholders.
The obligations of GoodNet and the Stockholders to consummate the Merger and the
other  transactions  contemplated  by this  Agreement  shall be  subject  to the
fulfillment, at or prior to the Closing, of each of the following conditions:

                  (a)   Representations  and  Warranties;   Covenants.   Without
supplementation after the date hereof, the representations and warranties of the
WinStar  Parties  contained  in this  Agreement  shall be, with respect to those
representations and warranties qualified by any materiality  standard,  true and
correct  in all  respects,  as of the  Closing,  and with  respect  to all other
representations and warranties, true and correct in all material respects, as of
the Closing,  with the same force and effect as if made as of the  Closing,  and
all the covenants contained in this Agreement to be complied with by the WinStar
Parties on or before the Closing  Date shall have been  complied  with,  and the
Stockholders  shall have  received a  certificate  of  officers  of the  WinStar
Parties to such effect;

                  (b) Legal Opinion.  The Stockholders  shall have received from
Graubard  Mollen & Miller,  counsel  to the  WinStar  Parties,  a legal  opinion
addressed  to the  Stockholders  and  dated the  Closing  Date,  opining  in all
material respects to the matters set forth on Exhibit F annexed hereto; and

                  (c)  Necessary  Proceedings.  All  proceedings,  corporate  or
otherwise,   to  be  taken  by  the  WinStar  Parties  in  connection  with  the
consummation of the transactions  contemplated by this Agreement shall have been
duly  and  validly  taken,   and  copies  of  all  documents,   resolutions  and
certificates incident thereto, duly certified by officers of the WinStar Parties
as of the Closing, shall have been delivered to the Stockholders.

                  (d) Other  Agreements.  WinStar  shall  execute and deliver an
agreement  ("Registration  Rights  Agreement")  in the form of Exhibit G hereto,
providing  for certain  registration  rights with respect to 100% of the WinStar
Stock to be issued to Telesoft in the Merger and 20% of the WinStar  Stock to be
issued to the other Stockholders in the Merger.

                                       29

<PAGE>




                  (e) No Material  Adverse Change.  At the Closing,  there shall
have been no  material  adverse  change in the  assets,  liabilities,  financial
condition  or business of WinStar  from that shown or  reflected  in the WinStar
Financial  Statements  as of  September  30,  1997.  Between  the  date  of this
Agreement  and the Closing  Date,  there shall not have  occurred an event which
would  reasonably be expected to constitute a WinStar  Material  Adverse Effect.
Notwithstanding  anything to the contrary,  none of (i) WinStar's  continued net
losses or  negative  cash  flows,  (ii) a decrease  in the  market  price of the
WinStar Stock or (iii) WinStar's  acquisition of other companies or offerings of
debt or equity  securities  shall  constitute  a  "material  adverse  change" or
"material adverse effect."

         SECTION 9.03  Conditions to  Obligations  of the WinStar  Parties.  The
obligations  of the  WinStar  Parties  to  consummate  the  Merger and the other
transactions contemplated by this Agreement shall be subject to the fulfillment,
at or prior to the Closing, of each of the following conditions:

                  (a)   Representations  and  Warranties;   Covenants.   Without
supplementation after the date hereof, the representations and warranties of the
Stockholders  contained  in this  Agreement  shall  be,  with  respect  to those
representations and warranties qualified by any materiality  standard,  true and
correct  in all  respects,  as of the  Closing,  and with  respect  to all other
representations and warranties, true and correct in all material respects, as of
the Closing  Date,  with the same force and effect as if made as of the Closing,
and all the covenants and agreements  contained in this Agreement to be complied
with by any of the GoodNet Parties on or before the Closing Date shall have been
complied with, and the WinStar  Parties shall have received a certificate of the
Stockholders to such effect;

                  (b) Legal  Opinions.  The WinStar  Parties shall have received
from one or more of Streich & Lang,  general  counsel to GoodNet,  Mayer Brown &
Platt,  special  counsel  to  GoodNet,  and/or  Snell & Wilmer,  counsel  to the
Stockholders, a legal opinion or opinions addressed to the WinStar Parties dated
the Closing Date,  opining in all material  respects to the matters set forth on
Exhibit H hereto.

                  (c)  Consents.   The  Stockholders  shall  have  obtained  and
delivered to the WinStar Parties consents to the Merger of all third parties (as
described  in  Sections  6.11  and 8.03  hereto)  as  necessary  to  ensure  the
uninterrupted  continuation of the Material  Contracts,  Leases and Permits with
respect to the Surviving Corporation,  which necessary consents are described on
Schedule 9.03(c);

                  (d) No Material  Adverse Change.  At the Closing,  there shall
have been no  material  adverse  change in the  assets,  liabilities,  financial
condition  or business of GoodNet  from that shown or  reflected  in the GoodNet
Financial Statements as of August 31, 1997. Between the date of this Agreement

                   
                                       30

<PAGE>



and the  Closing  Date,  there  shall not have  occurred  an event  which  would
reasonably be expected to constitute a GoodNet Material Adverse Effect;

                  (e)  Necessary  Proceedings.  All  proceedings,  corporate  or
otherwise,   to  be  taken  by  the  GoodNet  Parties  in  connection  with  the
consummation of the transactions  contemplated by this Agreement shall have been
duly  and  validly  taken,   and  copies  of  all  documents,   resolutions  and
certificates  incident thereto,  duly certified by the officers of GoodNet as of
the Closing, shall have been delivered to the WinStar Parties;

                  (f)  Liabilities.  The  only  liabilities  of  GoodNet  at the
Closing Date shall be those  described in Section 6.12 and the Brady  Obligation
shall be prepayable without penalty or interest;

                  (g)  Termination of Jemmett  Pledge.  The Jemmett Pledge shall
have been  terminated in manner  satisfactory to WinStar and the WinStar Parties
shall have received a certificate of the Chief Financial  Officer of Telesoft to
such effect;

                  (h)      Other Agreements.  The relevant GoodNet Parties shall
execute and deliver the Escrow  Agreement,  the  Employment  Agreements  and the
Sharing Agreement;

                  (i) Release by Stockholders.  Each  Stockholder  shall execute
and deliver to the WinStar  Parties a  certificate  acknowledging  and  agreeing
that, as of the Closing Date, (i) each of (a) the agreement between the Telesoft
Group (as defined in such  agreement)  and the Jemmett Group (as defined in such
agreement)  dated as of May 31, 1997,  (b) the agreement by and among  Telesoft,
GoodNet,  Leandrew,  Inc., Beada,  GoodNet,  L.L.C., David and Marilyn Brady and
David  and  Stephanie  Jemmett,  dated  as of  February  28,  1997,  and (c) the
agreement by and among Telesoft,  GoodNet and GoodNet, L.L.C., dated as of April
4, 1996,  are thereby  terminated  and of no further  force or effect;  and (ii)
except as set forth in this Agreement, GoodNet has no obligation or duty to such
Stockholder  (or any of its affiliates) now owing or to become due and that such
Stockholder has no rights with respect to any assets or securities of GoodNet;

                  (j) Tempe Lease Assignment. Telesoft and GoodNet shall execute
and  deliver to WinStar an  assignment  from  GoodNet to  Telesoft  of the Lease
Agreement,  dated as of March  8,  1995,  between  Metropolitan  Life  Insurance
Company and GoodNet Incorporated,  for premises located in Tempe, Arizona, which
shall be in full force and effect as of the Closing Date; and

                  (k) Audited  Financial  Statements.  Telesoft shall deliver to
WinStar audited financial  statements of GoodNet for the year ended November 30,
1997, including a balance sheet, statement of

                    
                                       31

<PAGE>



operations  and  statement of changes in  stockholders'  equity,  reported on by
GoodNet's  independent  auditors,  the  cost of  which  audit  shall be borne by
WinStar.

                                    ARTICLE X
                                 INDEMNIFICATION

         SECTION  10.01  Indemnification  by the  Stockholders.  Subject  to the
limitations  set forth in Section 10.06,  the  Stockholders  shall severally (in
proportion  of  their  ownership  of the  GoodNet  Shares  with  respect  to the
representations and warranties made by more than one Stockholder)  indemnify and
hold harmless WinStar and the Surviving  Corporation from and against, and shall
reimburse  WinStar and the Surviving  Corporation  for, any Damages which may be
sustained,  suffered or incurred by them, whether as a result of any Third Party
Claim or otherwise,  and which arise or result from or in connection with or are
attributable  to  (i)  the  breach  of  any  of  the  Stockholders'   covenants,
representations,  warranties,  agreements, obligations or undertakings contained
in this  Agreement;  or (ii) the  operation of GoodNet's  business  prior to the
Closing  Date.  This  indemnity  shall survive the Closing until March 31, 1999,
except  that  with  respect  to  Claims  arising  as a result of a breach of the
representations  and  warranties in (A) Sections  3.01,  3.02 and 3.04, it shall
survive without  limitation as to time, (B) Section 3.10, it shall survive for a
period of one year after the expiration of the statute of  limitations  for each
respective  Tax and (C) Section 3.24, it shall survive until June 30, 2000.  Any
Claim for  indemnity  asserted  within the relevant  period shall  survive until
resolved.

         SECTION 10.02  Indemnification  by WinStar.  Subject to the limitations
set forth in Section  10.06,  WinStar  shall  indemnify  and hold  harmless  the
Stockholders  from and against,  and shall reimburse the  Stockholders  for, any
Damages  which may be  sustained,  suffered  or  incurred  by the  Stockholders,
whether  as a result of Third  Party  Claims or  otherwise,  and which  arise or
result from or in connection  with or are  attributable to (i) the breach of any
of the  WinStar  Parties  covenants,  representations,  warranties,  agreements,
obligations or undertakings  contained in this Agreement;  or (ii) the operation
of the Surviving  Corporation's  business after the Closing Date. This indemnity
shall  survive the Closing  until March 31,  1999,  except that with  respect to
Claims arising as a result of a breach of the  representations and warranties in
Sections 4.01,  4.02 and 4.03, it shall survive  without  limitation as to time.
Any Claim for indemnity  asserted within the relevant period shall survive until
resolved.

         SECTION 10.03 Notice,  Etc. A Party required to make an indemnification
payment  pursuant  to  this  Agreement  ("Indemnifying  Party")  shall  have  no
liability  with respect to Third Party  Claims or otherwise  with respect to any
covenant,  representation,  warranty, agreement, undertaking or obligation under
this Agreement unless the Party entitled to receive such indemnification payment
("Indemnified  Party") gives reasonably prompt notice to the Indemnifying  Party
specifying (i) the covenant, representation or warranty,

                    
                                       32

<PAGE>



agreement,  undertaking or obligation contained herein which it asserts has been
breached,  (ii) in reasonable  detail, the nature and dollar amount of any Claim
the Indemnified Party may have against the Indemnifying  Party by reason thereof
under this Agreement, and (iii) whether or not the Claim is a Third Party Claim.
All Claims by any  Indemnified  Party under this Article X shall be asserted and
resolved as follows:

                  (a) Third-Party Claims. In the event that an Indemnified Party
becomes  aware of a Third Party Claim for which an  Indemnifying  Party would be
liable to an  Indemnified  Party  hereunder,  the  Indemnified  Party shall give
reasonably  prompt  notice in writing to the  Indemnifying  Party of such Claim,
identifying the basis for such Claim or demand,  and the amount or the estimated
amount  thereof to the extent then  determinable  (which  estimate  shall not be
conclusive  of the final amount of such Claim and demand;  the "Claim  Notice");
provided, however, that any delay in giving such Claim Notice will not be deemed
a waiver of any rights of the Indemnified  Party except to the extent the rights
of  the  Indemnifying   Party  are  actually   prejudiced  by  such  delay.  The
Indemnifying  Party, upon request of the Indemnified Party, shall retain counsel
(who shall be reasonably  acceptable to the Indemnified  Party) to represent the
Indemnified  Party and shall pay the reasonable fees and  disbursements  of such
counsel with regard thereto;  provided,  however,  that any Indemnified Party is
hereby  authorized,  prior to the date on which it receives  written notice from
the Indemnifying Party designating such counsel,  to retain counsel,  whose fees
and  expenses  shall be at the expense of the  Indemnifying  Party,  to file any
motion,  answer or other pleading and take such other action which it reasonably
shall deem necessary to protect its interests or those of the Indemnifying Party
until the date on which the  Indemnified  Party  receives  such  notice from the
Indemnifying Party. After the Indemnifying Party shall retain such counsel,  the
Indemnified  Party shall have the right to retain its own counsel,  but the fees
and expenses of such counsel shall be at the expense of such  Indemnified  Party
unless (x) the Indemnifying  Party and the Indemnified Party shall have mutually
agreed to the  retention  of such  counsel or (y) the named  parties of any such
proceeding (including any impleaded parties) include both the Indemnifying Party
and the Indemnified Party and representation of both parties by the same counsel
would be inappropriate  due to actual or potential  differing  interests between
them. The  Indemnifying  Party shall not, in connection  with any proceedings or
related  proceedings  in the  same  jurisdiction,  be  liable  for the  fees and
expenses  of more than one such firm for the  Indemnified  Party  (except to the
extent  the  Indemnified   Party  retained   counsel  to  protect  its  (or  the
Indemnifying   Party's)  rights  prior  to  the  selection  of  counsel  by  the
Indemnifying  Party).  If requested by the  Indemnifying  Party, the Indemnified
Party  agrees  to  cooperate  with the  Indemnifying  Party and its  counsel  in
contesting any Third Party Claim which the Indemnifying  Party defends.  A Third
Party  Claim may not be  settled by the  Indemnifying  Party  without  the prior
written consent of the Indemnified Party (which consent will not be unreasonably
withheld)  unless,  as part of such  settlement,  the  Indemnified  Party  shall
receive  a  full  and  unconditional  release;   provided,   however,  that  the
Indemnifying  Party shall not settle any claim without the prior written consent
of the Indemnified  Party (which consent shall not be unreasonably  withheld) if
such Claim is not exclusively for monetary Damages.

                    
                                       33

<PAGE>




                  (b) Books and Records.  After  delivery of a Claim Notice,  so
long as any right to  indemnification  exists  pursuant  to this  Article X, the
affected  Parties  each  agree to retain all books and  records  related to such
Claim Notice. In each instance, the Indemnified Party shall have the right to be
kept fully informed by the Indemnifying Party and its legal counsel with respect
to any legal  proceedings.  Any  information  or documents made available to any
Party  hereunder and  designated as  confidential  by the Party  providing  such
information or documents and which is not otherwise  generally  available to the
public and not already within the knowledge of the Party to whom the information
is provided (unless otherwise covered by the  confidentiality  provisions of any
other agreement among the Parties hereto,  or any of them), and except as may be
required by  applicable  law,  shall not be disclosed to any third party (except
for the  representatives  of the Party being provided with the  information,  in
which event the Party being  provided  with the  information  shall  request its
representatives not to disclose any such information which it otherwise required
hereunder to be kept confidential).

         SECTION 10.04 Adjustment to Merger  Consideration.  Any indemnification
payments  made  pursuant  to  Sections  10.01 and 10.02 shall be deemed to be an
adjustment to the Merger Consideration.

         SECTION 10.05 Offset Rights.  If any of the  Stockholders  fail to make
any indemnification payment required to be made pursuant to Section 10.01 within
ten Business Days of a demand therefor by WinStar, WinStar shall have the right,
in its  discretion,  to offset such amount  against any amounts  comprising  the
Holdback held in escrow under the Escrow Agreement.

         SECTION 10.06  Limitations.  No Indemnifying Party shall be required to
indemnify an Indemnified  Party under this Article X (i) unless the aggregate of
all  amounts  for which  indemnity  would  otherwise  be due  against it exceeds
$100,000 and then only to the extent such amounts exceed $100,000;  and (ii) for
any amounts  exceeding the pro rata amount of Merger  Consideration  paid to the
Indemnified or Indemnifying Party, as the case may be.

         SECTION  10.07  Reduction  for  Certain  Benefits.  The  amount  of any
indemnification  payment  payable  under Section 10.01 or Section 10.02 shall be
calculated  after giving  effect to (i) any  proceeds  received  from  insurance
policies covering the damage,  loss, liability or expense that is the subject of
the claim for  indemnity  and (ii) the actual net  realized  Tax  benefit to the
Indemnified Party resulting from the damage,  loss, liability or expense that is
the subject of the indemnity and of the indemnity payment itself;  provided that
to the extent that any Tax benefit is realized in a Tax year other than the year
in which the indemnity is paid,  the  Indemnified  Party shall make a payment to
the Indemnifying Party in the amount of such realized Tax benefit in the year in
which it was realized.  It is acknowledged and understood that only Tax benefits
which

                    
                                       34

<PAGE>



serve to reduce  actual cash  payments to be made by a party for Taxes,  and not
events which merely  serve to increase net loss carry  forwards,  shall serve to
trigger the  reduction in the  obligations  of a Party under clause (ii) of this
Section  10.07.  For  purposes of this  Section  10.07,  an actual  realized Tax
benefit is an actual  reduction in Taxes payable or a refund of Taxes previously
paid.

         SECTION 10.08 Representations and Warranties. For purposes of indemnity
under this Article X for breach of a representation or warranty of a Party under
this Agreement,  the representations and warranties shall be the representations
and warranties of a Party made herein,  as supplemented,  modified or amended by
any  Schedule  thereto as of the Closing  Date in  accordance  with Section 8.02
(except where such supplementation,  modification or amendment is made to cure a
misrepresentation or omission existing as of the date hereof), without regard to
any materiality qualifications or standards otherwise contained therein.

         SECTION  10.09  Indemnity as Sole  Recourse.  After the Closing Date, a
Party may seek remedy against any other Party for breach of a representation  or
warranty  hereunder only under and in accordance  with the terms of this Article
X.

                                   ARTICLE XI
                                   TERMINATION

         SECTION 11.01 Methods of  Termination.  The  transactions  contemplated
herein may be  terminated  and/or  abandoned  at any time but not later than the
Closing:

                  (a) By  mutual written  consent of the WinStar Parties and the
GoodNet Parties;

                  (b) By either the GoodNet  Parties or the WinStar  Parties (if
the  terminating  Party  is not  then  in  material  breach  of its  obligations
hereunder) if (i) a material  default or breach shall be made by the other Party
with  respect  to the due and timely  performance  of any of its  covenants  and
agreements contained herein and such default cannot be cured within a reasonable
period  of  time,  or  (ii)  if any of the  other  Party's  representations  and
warranties (x) made without any materiality  standard,  are not true and correct
in all material respects as of the Closing Date or (y) made with any materiality
standard, are not true and correct in all respects as of the Closing Date;

                  (c) By the WinStar  Parties,  on the one hand,  or the GoodNet
Parties,  on the other,  if the other Party amends or  supplements  any Schedule
hereto in accordance  with Section 8.02 hereof and such  amendment or supplement
reflects a material adverse change in the condition or operations of GoodNet or

                    
                                       35

<PAGE>



the WinStar Companies, as the case may be, or their respective businesses, taken
as a whole, after the date hereof;

                  (d) By either the GoodNet  Parties or the WinStar  Parties (if
the  terminating  Party  is not  then  in  material  breach  of its  obligations
hereunder) if the Effective  Time has not occurred by three months from the date
of this  Agreement  for any reason  unless the Parties  agree to an extension in
writing.

         SECTION 11.02 Effect of  Termination.  In the event of termination by a
Party, or both Parties, pursuant to Section 11.01 hereof, written notice thereof
shall forthwith be given to the other Party and all  obligations  (except as set
forth in this Section  11.02) of the Parties shall  terminate and no Party shall
have any right against the other Party hereto. Notwithstanding the foregoing, if
this Agreement is so terminated by one Party under Section 11.01(b) above, it is
expressly agreed and understood that the terminating Party's right to pursue all
legal  remedies  for  breach  of  contract  or  otherwise,   including,  without
limitation,  Damages (other than consequential  Damages) relating thereto, shall
survive such termination  unimpaired.  If the transactions  contemplated by this
Agreement are terminated and/or abandoned as provided herein:

                  (a) Each Party hereto will return all  documents,  work papers
and other material (and all copies thereof) of the other Party,  relating to the
transactions  contemplated  hereby,  whether  so  obtained  before  or after the
execution hereof, to the Party furnishing the same; and

                  (b) All  confidential  information  received  by either  Party
hereto  with  respect to the  business  of the other  Party  shall be treated in
accordance  with  Sections  6.02 and  7.02  hereof,  which  shall  survive  such
termination or abandonment.

                                   ARTICLE XII
                                   DEFINITIONS

         SECTION 12.01    Certain Defined Terms.  As used in this Agreement, the
following terms shall have the following meanings:

         "Business  Day" means a day of the year on which banks are not required
or authorized to be closed in the City of New York.

         "Damages"  means the  dollar  amount of any loss,  damage,  expense  or
liability,  including,  without  limitation,   reasonable  attorneys'  fees  and
disbursements  incurred  by an  Indemnified  Party in any  action or  proceeding
between  the  Indemnified  Party  and the  Indemnifying  Party  or  between  the
Indemnified Party and

                    
                                       36

<PAGE>



a third  party,  which is  determined  (as  provided  in Article X) to have been
sustained, suffered or incurred by a Party or GoodNet and to have arisen from or
in   connection   with  an  event  or  state  of  facts   which  is  subject  to
indemnification under this Agreement;  the amount of Damages shall be the amount
finally  determined  by  a  court  of  competent   jurisdiction  or  appropriate
governmental  administrative agency (after the exhaustion of all appeals) or the
amount agreed to upon settlement in accordance with the terms of this Agreement.

         "Environmental,  Health,  and Safety  Requirements"  means all federal,
state, local and foreign statutes, regulations, and ordinances concerning public
health and safety,  worker health and safety, and pollution or protection of the
environment,  including  without  limitation all those relating to the presence,
use,  production,  generation,  handling,  transportation,  treatment,  storage,
disposal,  distribution,  labeling,  testing,  processing,  discharge,  release,
threatened release,  control, or cleanup of any hazardous materials,  substances
or wastes,  as such  requirements  are  enacted and in effect on or prior to the
Closing Date.

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

         "GoodNet Parties" means, collectively, the Stockholders and GoodNet.

         "Lien"  means any  lien,  claim,  charge,  option,  security  interest,
restriction or encumbrance.

         "Party" means WinStar  and/or the Merger  Subsidiary,  on the one hand,
and the  Stockholders  and/or  GoodNet,  on the other  hand  (collectively,  the
"Parties").

         "Representatives"   of  either  Party  means  such  Party's  employees,
accountants,   auditors,   actuaries,   counsel,  financial  advisors,  bankers,
investment bankers and consultants.

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

         "Tax" or  "Taxes"  means  all  income,  gross  receipts,  sales,  stock
transfer, excise, bulk transfer, use, employment,  franchise,  profits, property
or other taxes, fees, stamp taxes and duties, assessments,  levies or charges of
any kind whatsoever,  together with any interest and any penalties, additions to
tax or additional amounts imposed by any taxing authority with respect thereto.

         "Third Party Claim" means a claim, demand,  suit,  proceeding or action
by a person, firm, corporation or government entity other than a party hereto or
any affiliate of such party.


                     
                                       37

<PAGE>



                                  ARTICLE XIII
                               GENERAL PROVISIONS

         SECTION 13.01 Expenses.  Except as otherwise provided herein, all costs
and  expenses,   including,   without  limitation,  fees  and  disbursements  of
Representatives, incurred in connection with this Agreement and the transactions
contemplated  hereby  shall  be paid  by the  Party  incurring  such  costs  and
expenses, whether or not the Closing shall have occurred. The Stockholders shall
pay all such expenses incurred by GoodNet.

         SECTION 13.02 Notices.  All notices and other  communications  given or
made  pursuant  hereto shall be in writing and shall be deemed to have been duly
given or made as of the date  delivered  personally  or by  telecopy  or one day
after delivery to a nationally  recognized courier, in each case, to the Parties
at the  following  addresses  (or at such other  address for a Party as shall be
specified  by like notice,  except that  notices of changes of address  shall be
effective upon receipt):

                  (a)      If to the Stockholders, as set forth in Schedule A,




                           with a copy to:

                          Mayer Brown & Platt
                          190 South LaSalle Street
                          Chicago, Illinois 60603
                          Attention: Edward Best, Esq.
                          Telecopier No.: 312/701-7711


                   (b) If to WinStar or the Merger Subsidiary:

                          WinStar Communications, Inc.
                          230 Park Avenue
                          Suite 2700
                          New York, New York 10169
                          Attention: Timothy R. Graham, Executive Vice President
                          Telecopier No.: 212/922-1637

                           with a copy to:

                          Graubard Mollen & Miller
                          600 Third Avenue
                          New York, New York  10016
                          Attention:  David Alan Miller, Esq.
                          Telecopier No.: 212-818-8881



                   
                                       38

<PAGE>



         SECTION  13.03 Press  Release;  Public  Announcements.  Promptly  after
execution of this Agreement,  Telesoft and WinStar shall issue press releases in
the forms annexed  hereto as Exhibits K(i) and (ii),  respectively.  The Parties
shall not make any other public  announcements  in respect of this  Agreement or
the transactions  contemplated herein without prior consultation and approval by
the other party as to the form and content thereof,  which approval shall not be
unreasonably  withheld.  Notwithstanding  the foregoing,  any Party may make any
disclosure   which  its  counsel  advises  is  required  by  applicable  law  or
regulation, in which case the other Party shall be given such reasonable advance
notice as is  practicable in the  circumstances  and the Parties shall use their
best efforts to cause a mutually agreeable release or announcement to be issued.

         SECTION 13.04 Amendment.  This Agreement may not be amended or modified
except by an instrument in writing signed by the Parties.

         SECTION  13.05 Waiver.  At any time prior to the Closing,  either Party
may (a) extend the time for the  performance of any of the  obligations or other
acts of the other Party, (b) waive any inaccuracies in the  representations  and
warranties contained herein or in any document delivered pursuant hereto and (c)
waive compliance with any of the agreements or conditions  contained herein. Any
such  extension or waiver shall be valid only if set forth in an  instrument  in
writing signed by the Party to be bound thereby.

         SECTION 13.06  Headings.  The headings  contained in this Agreement are
for  reference  purposes  only and shall not  affect in any way the  meaning  or
interpretation of this Agreement.

         SECTION  13.07  Severability.  If any term or other  provision  of this
Agreement is invalid,  illegal or incapable of being enforced by any rule of law
or public policy,  all other  conditions and provisions of this Agreement  shall
nevertheless  remain in full force and effect so long as the  economic  or legal
substance of the transactions  contemplated hereby is not affected in any manner
adverse to any Party. Upon such  determination  that any term or other provision
is invalid,  illegal or incapable of being enforced, the Parties shall negotiate
in good faith to modify this  Agreement so as to effect the  original  intent of
the  Parties as  closely as  possible  in an  acceptable  manner to the end that
transactions contemplated hereby are fulfilled to the extent possible.

         SECTION 13.08 Entire  Agreement.  This  Agreement and the Schedules and
Exhibits  hereto  constitute  the  entire  agreement  and  supersede  all  prior
agreements and undertakings, both written and oral, between the Stockholders and
WinStar with respect to the subject matter hereof,  including the Non-Disclosure
Agreement between Telesoft and WinStar.


                     
                                       39

<PAGE>



         SECTION 13.09 Benefit;  Assignment.  This Agreement  shall inure to the
benefit of and be binding  upon the Parties  and the  successors  and  permitted
assigns of the Parties and, except as otherwise  expressly  provided herein, are
not intended to confer upon any other  person any rights or remedies  hereunder.
This  Agreement  is not  assignable  by any Party  without the  express  written
consent of the other Parties,  except that the Merger Subsidiary may assign this
Agreement to any other wholly-owned subsidiary of WinStar.

         SECTION 13.10  Governing  Law;  Consent to  Jurisdiction.  Except as to
matters  governed by the BCA, this Agreement shall be governed by, and construed
in  accordance  with,  the law of the State of New York,  regardless of the laws
that might  otherwise  govern under  applicable  principles of conflicts of law.
Each Party hereby  submits to the  exclusive  jurisdiction  of the courts (city,
state and federal) located in the County of New York, State of New York, for any
action,  proceeding  or  claim  brought  by any  other  Party  pursuant  to this
Agreement or any other  agreement,  instrument  or other  document  executed and
delivered in connection  with this  Agreement or pursuant  hereto and waives any
objection to the venue of any such suit,  action or proceeding  and the right to
assert that such forum is not a convenient forum. Service of process in any such
action or  proceeding  brought  against a Party may be made by  registered  mail
addressed  to such Party at the  address  set forth in Section  13.02 or to such
other  address as such Party  shall  notify the other  Party in writing is to be
used for such  purpose  pursuant to Section  13.02.  For  purposes  hereof,  the
address  designated  for Telesoft  shall also be the address  designated for the
Stockholders.

         SECTION 13.11  Counterparts.  This  Agreement may be executed in one or
more counterparts,  and by the different Parties in separate counterparts,  each
of which when  executed  shall be deemed to be an original but all of which when
taken together shall constitute one and the same agreement.



                    
                                       40

<PAGE>


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

TELESOFT ACQUISITION CORP. II            WINSTAR COMMUNICATIONS, INC.


By: /s/ David Jemmett                    By: /s/ Timothy R. Graham
   -------------------------------          ---------------------------------
        David Jemmett                            Timothy R. Graham

TELESOFT CORP. (Stockholder)             WG ACQUISITION CORP.


By: /s/ Michael Zerbib                   By: /s/ Timothy R. Graham
   -------------------------------          ---------------------------------
        Michael Zerbib                           Timothy R. Graham

BEADA & SALA, INC. (Stockholder)         The undersigned hereby personally 
                                         guarantees all obligations of Beada &
                                         Sala, Inc. arising under the terms of
By: /s/ David Jemmett                    this Agreement
   -------------------------------
        David Jemmett

                                             /s/ David Jemmett
                                        -------------------------------------
                                                 DAVID JEMMETT

 /s/ Jeffrey Pitts
- ----------------------------------
JEFFREY PITTS, Stockholder


 /s/ Darin Wayrynen
- ----------------------------------
DARIN WAYRYNEN, Stockholder


 /s/ David Lund
- ----------------------------------
DAVID LUND, Stockholder


 /s/ Michael Ferro
- ----------------------------------
MICHAEL FERRO, Stockholder


 /s/ Shawn Freeman
- ----------------------------------
SHAWN FREEMAN, Stockholder


                     
                                       41

<PAGE>



                                                                  Exhibit 99.1

WINSTAR*


                  CONTACTS:
                  Financial Community                       Press
                  Michelle Davis                            David Walker
                  Manager of Investor Relations             (212) 584-4089
                  (212) 584-4053                            [email protected]


                     WINSTAR ANNOUNCES ACCRETIVE ACQUISITION
                    OF LONG DISTANCE AND FRAME RELAY PROVIDER

          Acquisition Strategy Capitalizes on Extensive Infrastructure
                              and Accelerates Plan

            Acquisition Adds Substantial Revenues and Positive EBITDA

NEW YORK - DECEMBER 17, 1997, WINSTAR COMMUNICATIONS, INC.
(NASDAQ-WCII)  announced today it has signed an agreement to purchase the assets
of MIDCOM Communications Inc., a Southfield,  Mich.-based national long distance
and frame relay provider currently in bankruptcy proceedings.

"Our  recent  acquisition  of US ONE  Communications  Corp.,  which  was also in
bankruptcy, accelerated our plan by nine months, with significant cost savings,"
said William J. Rouhana,  Jr.,  Chairman and Chief Executive Officer of WinStar.
"Our  ability  to realize  value from  acquisitions  like  MIDCOM  enables us to
produce  additional  substantial  financial and  strategic  benefits in 1998 and
beyond.  With our extensive switched wireless broadband  infrastructure,  we are
positioned to add  significantly  higher  traffic volume from  acquisitions  and
internal   growth,   without   adding   materially   to   costs.   Consequently,
EBITDA-enhancing  accretive  acquisitions that bring incremental  revenues,  new
customers,  expanded  services and improved network  utilization are a strategic
goal  for  WinStar,   and  we  have   intensified   our  efforts  to  find  such
opportunities."

WinStar  will  pay $92  million  in cash  for  MIDCOM's  assets,  which  consist
primarily of a long distance  business  generating  approximately $80 million in
annual revenues,  a sales force of almost 200 people,  and MIDCOM's PacNet frame
relay business with revenues approaching $20 million. WinStar said its net costs
for the  transaction  should  amount to less than $70 million after the expected
collection  of $20 million in accounts  receivable  also being  acquired and the
planned divestiture of two small business lines.

Completion of the  acquisition is subject to a number of  conditions,  including
the absence of higher bids at auction and approval by the U.S.  Bankruptcy Court
for the Eastern District of Michigan.

WinStar said the acquisition will accelerate the company's 1998 business plan in
several ways:



<PAGE>


WinStar Announces Accretive Acquisition/December 17, 1997/Page 2


o        Four cities where  WinStar was planning to sell its  competitive  local
         exchange carrier (CLEC) services in 1998 already are served by MIDCOM's
         sales force.

o        MIDCOM's  sales  organization   includes  an  account  team  for  large
         businesses,  a market segment WinStar was preparing to serve in 1998 by
         adding to its own sales force.

o        WinStar's  long  distance  network  will  be  implemented  on a  faster
         schedule  due to  certain of  MIDCOM's  network  assets  and  operating
         skills.

WinStar  also  cited  additional  synergies  that  would  favorably  impact  the
financial performance of the combined companies:

o        There is a  substantial  overlap  in the cities  served by WinStar  and
         MIDCOM,  creating  significant  opportunities  for the cross-selling of
         local and long distance services to the combined base of customers. Ten
         of the 11 cities were MIDCOM  maintains a direct  sales force match the
         markets where WinStar will have  established CLEC operations by the end
         of the 1998 first quarter.

o        MIDCOM's strategy of marketing to business customers is consistent with
         WinStar's,  and the acquisition  also would expand WinStar's reach to a
         new group of large companies served by MIDCOM's national account group.

o        In addition to improving the economic results of MIDCOM's long distance
         services  by routing  its  traffic  over  WinStar's  switched  network,
         WinStar would provide a  significant  number of MIDCOM's  approximately
         45,000 customers with local broadband connectivity and a full portfolio
         of data communications and information  services.  MIDCOM's sales force
         of almost 200 people represents a powerful additional marketing channel
         for these products.

MIDCOM's  PacNet  subsidiary  currently  provides more than 550 businesses  with
frame relay and private line data services. The market for frame relay, a highly
efficient  form of data transport  utilizing  packet  switching,  is expected to
triple to more than $6 billion over the next three years.  PacNet is  affiliated
with Unispan,  a consortium of Intermedia  Communications  and other  companies,
enabling  frame  relay  traffic to be routed  throughout  the United  States and
internationally,  and  terminated  in every  LATA in the United  States  through
interconnections with Regional Bell Operating Companies. PacNet provides further
impetus to WinStar's recently announced broadband data services strategy.

o        Combining  PacNet's  services with those of GoodNet,  a national Tier I
         Internet  backbone provider that WinStar agreed to acquire earlier this
         month,  would  enable  WinStar to offer a  comprehensive  range of data
         services encompassing frame relay, asynchronous transfer mode (ATM) and
         Internet Protocol (IP) methods of transport.

o        PacNet's backhaul costs could be reduced significantly through carriage
         over GoodNet's backbone.



<PAGE>


WinStar Announces Accretive Acquisition/December 17, 1997/Page 3

o        GoodNet's market presence would be extended  significantly  through the
         widespread  local access  already  established  by PacNet's frame relay
         business.

o        PacNet's traffic would be terminated over WinStar's local network, thus
         generating incremental revenues for WinStar's CLEC business.

The MIDCOM  acquisition  also would  contribute  positively to WinStar's  EBITDA
performance in 1998 and beyond:

o        Almost $70 million in annual overhead costs currently being incurred by
         MIDCOM,  or  which  WinStar  would  have  incurred  in  1998,  would be
         eliminated through a reduction in back office expenses,  elimination of
         separate  public company costs,  the  consolidation  of redundant staff
         positions, and a reduced need for new hires.

o        At least a  10-percentage-point  improvement  in MIDCOM's cost of sales
         should be attained as MIDCOM's  traffic is moved onto  WinStar's  voice
         and data network, and substantially lower transport and operating costs
         are realized.  The gross margin also would benefit from WinStar's focus
         on the more profitable portion of MIDCOM's long distance business.

o        Further cost savings are expected to result from  increased  purchasing
         power and greater voice and data traffic volume.

"This  is the type of  value-enhancing  acquisition  toward  which  WinStar  has
steadily been moving as it builds a low-cost  broadband  network," Rouhana said.
"We  believe the many  benefits  of the  acquisition  can be  magnified  through
similar  transactions,  and we will be seeking additional  opportunities to take
advantage of our growing national infrastructure."

WinStar Communications, Inc. is a national local communications company, serving
business  customers,  long distance  carriers,  fiber-based  competitive  access
providers, mobile communications companies, local telephone companies, and other
customers with broadband local  communications  needs.  The company provides its
Wireless FiberSM services using its licenses in the 38 GHz spectrum. The company
also provides long distance, Internet and information services.

Except for any historical information contained herein, the matters discussed in
this press release  contain  forward-looking  statements  that involve risks and
uncertainties  which are described in the  company's SEC reports,  including the
10-K for the period ended  December 31, 1996,  and the 10-Q for the period ended
September 30, 1997.

   WinStar is a registered  trademark  and  Wireless  Fiber is a service mark of
WinStar Communications, Inc.





                           WinStar Communications Inc.
                 230 Park Avenue, Suite 2700, New York, NY 10159
                       Tel 212 584 4000 Fax 212 867 1565


<PAGE>


                                                                  Exhibit 99.2

WINSTAR*


                  CONTACTS:
                  Financial Community                     Press
                  Michelle Davis                          David Walker
                  Manager of Investor Relations           (212) 584-4089
                  (212) 584-4053                          [email protected]


                           WINSTAR TO ACQUIRE GOODNET,
                  A LEADING NATIONAL INTERNET SERVICE PROVIDER


                     Acquisition Strongly Positions WinStar
                     In Expanding Data Communications Market


NEW YORK - DECEMBER 11, 1997, WINSTAR COMMUNICATIONS, INC.
(NASDAQ-WCII)  announced  today it has signed a definitive  agreement to acquire
GoodNet,  a rapidly growing Tier 1 Internet  backbone provider based in Phoenix,
from Telesoft Corp.  (NASDAQ - TSFT) and certain members of GoodNet  management.
GoodNet,  which  will be known as WinStar  GoodNet,  will  become  part of a new
organization  that will spearhead  WinStar's  expansion into the burgeoning data
communications  business.  The  establishment  of  that  organization,   WinStar
Broadband Services, was detailed today by WinStar in a separate announcement.

Formed in 1994,  GoodNet  has  emerged  quickly as one of the  leading  national
Internet  service  companies  in the U.S. It has points of presence in 27 cities
and one of the highest traffic levels of any independent U.S. backbone provider.
Through its national network of multiprotocol  asynchronous  transfer mode (ATM)
switches, GoodNet offers dedicated high-speed Internet access,  metropolitan and
wide area network data transport  services,  including virtual private networks,
to hundreds of commercial clients. GoodNet also provides dial-up Internet access
to  subscribers  in Phoenix,  and estimates  that nearly one million  additional
Internet users are served  indirectly  through other access providers  utilizing
the company's ATM backbone.  The company has  established  more than 130 peering
arrangements with other U.S. and foreign Internet service providers.

WinStar  has agreed to pay $22.5  million to acquire  GoodNet,  $3.5  million of
which is payable in cash and the remainder  payable in WinStar common stock. The
number of shares will be determined by a 20-day average of WinStar's stock price
prior to closing.

The company said it expects  GoodNet's  1998 revenues to be more than double its
current $8 million  annualized  rate.  Additionally,  WinStar expects to realize
approximately $4 million in incremental 1998 competitive  local exchange carrier
(CLEC) revenues as a result of


<PAGE>


WinStar to Acquire GoodNet/December 11, 1997/Page 2


GoodNet's  customer  traffic.  The company further expects that GoodNet revenues
and associated CLEC revenues will be more than double the 1998 levels in 1999.

Revenues for WinStar and GoodNet  should be further  increased by  cross-selling
opportunities  and from the  impetus  of  WinStar's  large  direct  sales  force
offering  an enhanced  line of local,  long-distance,  voice and data  services.
Revenues will also be increased by migrating WinStar's resold Internet customers
to GoodNet's network.

Financial and operating  synergies are also expected to have a highly beneficial
impact on the combined  organizations.  GoodNet's  existing  points of presence,
together with those planned by GoodNet in 1998, will cover each of the 21 cities
where WinStar plans to provide switched  telecommunications  services by the end
of the 1998 first quarter. Cost savings will result from substantially increased
purchasing  power for backbone  circuits,  from  colocation and other  operating
expense  reductions  as well as from a  consolidation  of voice and data traffic
along backhaul and local routes. These synergies should enable GoodNet, which is
currently  operating at a slight EBITDA loss, to contribute  positive  EBITDA to
WinStar in 1998 and to produce EBITDA exceeding $10 million in 1999.

"The development of a comprehensive  data services  business should lead quickly
to  improved  utilization  of our  technology,  network  and sales  force,  with
associated  benefits  to our revenue and EBITDA  performance,"  said  William J.
Rouhana, Jr., Chairman and Chief Executive Officer of WinStar. "The cost of this
acquisition  compares  very  favorably  to what we  would  have  had to spend to
develop in  infrastructure,  organization  and  market  presence  comparable  to
GoodNet's,  and  therefore  represents  an  excellent  value for our company and
shareholders.  Our data  business will also result in the creation of a platform
for the  convergence  of  broadband  connectivity,  information  technology  and
content, the three building blocks of the new information age."

Rouhana also commented on the GoodNet  organization  by saying:  "We are excited
about the  prospects  for GoodNet.  The GoodNet  organization  has  successfully
executed  its  plans  within  a  high-growth  environment,  and we  believe  the
management  and  employees of that  company will achieve even greater  levels of
success in the years ahead."

David Jemmett, Chief Executive Officer of GoodNet, said today: "WinStar's unique
ability to bring wireless broadband  connectivity to office buildings throughout
the U.S.  makes it an ideal  facilitator  and partner for GoodNet.  Our drive to
bring Internet access to businesses  everywhere  meshes perfectly with WinStar's
vision  of  becoming   an   integrated   provider  of  voice,   data  and  video
telecommunications  services on a national level.  WinStar's wireless technology
will enable our shared goals to be achieved more rapidly and efficiently, and at
lower  cost than would  otherwise  be  possible."  Following  completion  of the
acquisition,  which is expected by early in the first  quarter of 1998,  Jemmett
will serve as President of WinStar GoodNet.

WinStar Communications, Inc. is a national local communications company, serving
business  customers,  long distance  carriers,  fiber-based  competitive  access
providers, mobile communications companies, local telephone companies, and other
customers with broadband


<PAGE>


WinStar to Acquire GoodNet/December 11, 1997/Page 3

local  communications  needs. The company provides its Wireless FiberSM services
using its  licenses in the 38 GHz  spectrum.  The  company  also  provides  long
distance, Internet and information services.


Except for any historical information contained herein, the matters discussed in
this press release  contain  forward-looking  statements  that involve risks and
uncertainties  which are described in the  company's SEC reports,  including the
10-K for the period ended  December 31, 1996,  and the 10-Q for the period ended
September 30, 1997.

   WinStar is a registered  trademark  and  Wireless  Fiber is a service mark of
WinStar Communications, Inc.





                           WinStar Communications Inc.
                 230 Park Avenue, Suite 2700, New York, NY 10159
                        Tel 212 584 4000 Fax 212 867 1565


<PAGE>


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