NACT TELECOMMUNICATIONS INC
8-K, 1998-01-06
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): January 2, 1998
                                                          ---------------

                          NACT Telecommunications, Inc.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


           Delaware                 000-22017                87-0378662
- --------------------------------------------------------------------------------
(State or other jurisdiction        (Commission           (IRS Employer
  of incorporation)                 File Number)        Identification No.)


                     191 West 5200 North, Provo, Utah 84604
- --------------------------------------------------------------------------------
                    (Address of principal executive offices)


Registrant's telephone number, including area code: (801) 802-3000


                                       N/A
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)
<PAGE>
Item 5.     Other Events.

         On January 2,  1998,  NACT  Telecommunications,  Inc.  (the  "Company")
publicly  disseminated  a news  release,  announcing  that  World  Access,  Inc.
(Nasdaq:  WAXS)  would buy a 55%  interest  in the  Company  from the  Company's
current majority owner, GST Telecommunications, Inc. (AMEX: GST).

         For additional  information  concerning the  transaction,  reference is
made to the news release and the Stock Purchase Agreement which are incorporated
herein  by  reference  and are  attached  hereto  as  exhibits  99.1  and  99.2,
respectively.

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

(c)      Exhibits.

99.1        News Release of NACT Telecommunications, Inc. dated January 2, 1998.

99.2        Stock Purchase Agreement dated December 31, 1997.


                                       -2-

<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, thereunto duly authorized.


                                           NACT TELECOMMUNICATIONS, INC.


                                           By: /s/ Eric F. Gurr
                                               -------------------------------
                                               Eric F. Gurr
                                               Chief Financial Officer

DATE:  January 6, 1998


                                       -3-

<PAGE>
EXHIBIT INDEX                                                      Page No.
                                                                   --------

99.1        News Release of NACT Telecommunications,
            Inc. dated January 2, 1998.

99.2        Stock Purchase Agreement dated
            December 31, 1997.









                                       -4-

                                                                  NACT Contacts:
                                              Lindsay Wallace, CEO, 801-802-3000
                                             Eric Gurr, 801-802-3000 (investors)
                                                  Dan Cook, 801-802-3000 (press)

                                                                    FRB Contact:
                                                  Jordan Goldstein, 415-986-1591


FOR IMMEDIATE RELEASE


                        NACT TELECOMMUNICATIONS TO BECOME
                 MAJORITY-OWNED SUBSIDIARY OF WORLD ACCESS, INC.

         World Access to buy 55 percent  interest in NACT from current  majority
owner GST


PROVO,  Utah--January 2, 1998--NACT  Telecommunications,  Inc.  (Nasdaq:  NACT),
today  announced  that  approximately  55 percent of NACT  common  stock will be
purchased by World Access,  Inc.  (Nasdaq:  WAXS). The stock purchase  agreement
between  World  Access and current  equity  owner GST  Telecommunications,  Inc.
(Amex:  GST)  provides for the  acquisition  of 4,105,043  NACT common shares by
World Access.

         The value of the  purchase is $17.50 per share or  approximately  $71.8
million.  The transaction will close upon the necessary  regulatory  approval of
filings by GST and World  Access,  which is  expected  to be met within 30 to 45
days.  The  agreement  also  allows  GST the  option to sell  World  Access  the
remaining 1,008,669 shares of NACT common stock held by GST at the same price of
$17.50 per share, or approximately $17.7 million. If GST elects to exercise this
option, World Access' equity ownership in NACT will increase to approximately 67
percent.

         Initially,  NACT Telecommunications,  Inc. will continue operating as a
majority-owned  subsidiary  of World  Access from the  company's  facilities  in
Provo, Utah.  Following the completion of the stock purchase agreement with GST,
World Access has  announced  intentions  to promptly  propose a merger with NACT
pursuant  to which all NACT  common  stock not  owned by World  Access  would be
exchanged for shares of World Access common stock.

         "NACT has experienced significant growth as a majority-owned subsidiary
of GST," said A. Lindsay  Wallace,  NACT President and Chief Executive  Officer.
"Going forward with World Access,  I am confident  that we can continue  growing
and  improving  our  business.  We  anticipate a very  positive and  synergistic
environment  working  with  World  Access  and  their  broad  telecommunications
switching, transport and access products, and support teams."


<PAGE>
NACT stock sold to World Access                                       page 2


         John   Warta,   chairman   and   chief   executive   officer   of   GST
Telecommunications,  Inc.  stated,  "GST  expressed  its  intention  to sell its
holdings in NACT  several  months ago in order to focus more on its core carrier
strategies. NACT has performed exceptionally well as a majority-owned subsidiary
of GST. The sale of NACT  reaffirms  our  commitment  to our  competitive  local
exchange  carrier  strategy,  and will  enable  GST  management  to  focus  full
attention and direction to further developing that business."

         "NACT will help us further  accomplish  our goal of providing  the best
telecommunications  solutions to our  customers  around the world," World Access
Chairman and Chief Executive  Officer,  Steven A. Odom, said. "World Access will
immediately  bolster NACT's product offerings to both domestic and international
customers, while NACT will add to our product offering as well. Together we will
be able to offer enhanced solutions to both companies'  existing  customers,  as
well as pursue new and more diverse market opportunities."

         During its latest fiscal year,  ended September 30, 1997, NACT achieved
approximately  $27.7 million in revenues  with a pretax profit of  approximately
$6.3 million.  The primary  earnings per share were 52 cents for the year. These
achievements reflect a 70 percent increase in revenues, a 2,200 percent increase
in pretax profit, and a 1,567 percent increase in earnings per share over fiscal
year 1996.

         NACT  President  and Chief  Executive  Officer A. Lindsay  Wallace will
participate in a World  Access-sponsored  conference call on Monday, January 5th
at 4:30 p.m. (EST) to review the NACT  acquisition  with  shareholders and other
interested parties.

                                      # # #

Founded  in 1982,  NACT  Telecommunications,  Inc.  is a  leading  single-source
provider of advanced  telecommunications  switching  platforms  with  integrated
telephony software applications and network telemanagement capabilities.  NACT's
products include the STX tandem switching  system,  the NTS billing system,  and
Facilities Management Services (FMS). NACT, previously known as National Applied
Computer  Technologies,  Inc., is headquartered in Provo,  Utah, with offices in
New  York,  Florida  and  London,  England.  The  NACT web  site is  located  at
http://www.nact.com

World Access,  Inc.  develops,  manufactures  and markets  wireline and wireless
switching,  transport  and access  products  primarily  for the  United  States,
Caribbean  Basin and Latin  American  telecommunications  markets.  The  Company
offers  digital  switches,  cellular base  stations,  fixed  wireless local loop
systems,   intelligent  multiplexers,   digital  loop  carriers,  microwave  and
millimeterwave radio equipment and other wireless  communications  products.  To
support  and  complement  its  product  sales,  the Company  also  provides  its
customers  with a broad range of design,  engineering,  manufacturing,  testing,
installation,   repair  and  other   value-added   services.   The   Company  is
headquartered in Atlanta,


<PAGE>
NACT stock sold to World Access                                       page 3


Georgia and conducts its  principal  operations  from eight  facilities  located
strategically throughout the United States.

STX is a registered trademark of NACT Telecommunications, Inc. NACT and the NACT
logo are registered trademarks of NACT Telecommunication,, Inc.

For more information  regarding NACT via fax, at no charge,  dial  800-758-5804,
then enter 120211.


                            STOCK PURCHASE AGREEMENT






                               WORLD ACCESS, INC.
                          GST TELECOMMUNICATIONS, INC.
                                  GST USA, INC.






                                December 31, 1997






<PAGE>
                            STOCK PURCHASE AGREEMENT

                  THIS AGREEMENT, dated December 31, 1997, is by and among World
Access, Inc., a Delaware corporation ("Buyer"), GST Telecommunications,  Inc., a
federally chartered Canadian  corporation ("GST"), and GST USA, Inc., a Delaware
corporation ("Seller").

                              W I T N E S S E T H:

                  WHEREAS, NACT Telecommunications, Inc., a Delaware corporation
(the  "Company"),  is engaged in the  business  (the  "Business")  of  providing
advanced  telecommunications  switching  platforms with integrated  applications
software and network telecommunications capabilities; and

                  WHEREAS, Seller is a wholly-owned subsidiary of GST and is the
record and beneficial owner of 5,113,712 shares (the "Shares") of the issued and
outstanding common stock, $.01 par value per share (the "Common Stock"),  of the
Company; and

                  WHEREAS,  Buyer  desires to purchase  from Seller,  and Seller
desires  to sell to  Buyer,  the  Shares  upon  the  terms  and  subject  to the
conditions set forth in this Agreement;

                  NOW,  THEREFORE,  in  consideration  of the  premises  and the
mutual promises herein contained, each of Buyer and Seller agrees as follows:


                     ARTICLE I. PURCHASE AND SALE OF SHARES

                  Section 1.1.  Purchase and Sale of Shares.  Upon the terms and
subject to the conditions set forth in this  Agreement,  on the Closing Date (as
hereinafter defined), Seller shall sell, convey, assign, transfer and deliver to
Buyer,  and Buyer shall purchase from Seller,  all right,  title and interest in
and to the  Shares for an amount  equal to the  Purchase  Price (as  hereinafter
defined).  On the Closing Date,  Seller shall deliver to Buyer a certificate  or
certificates representing the Shares, duly endorsed in blank or accompanied by a
stock power executed in blank.

                  Section 1.2. Purchase Price. The purchase price for the Shares
(the "Purchase Price") shall be $89,489,960. The Purchase Price shall be payable
as follows:

                  (a)      $59,662,956 shall be paid on the Closing Date by wire
                           transfer of immediately  available  funds to a United
                           States bank account of Seller specified in writing to
                           Buyer not later  than two days  prior to the  Closing
                           Date; and


<PAGE>
                  (b)      the remainder of the Purchase  Price shall be paid by
                           delivery on the Closing Date of shares (the  "Payment
                           Shares"), of Buyer's Common Stock, $.01 par value per
                           share (the "Buyer Common Stock"),  with a Fair Market
                           Value (as hereinafter  defined) of  $29,827,004.  For
                           the  purposes of this  Agreement,  Fair Market  Value
                           shall mean the average of the closing sales prices of
                           Buyer Common Stock on the Nasdaq  National Market for
                           the 20  consecutive  trading days next  preceding the
                           day on which a public announcement of the sale of the
                           Shares is made.

                  Section 1.3.  Option of Seller.  Anything in this Agreement to
the  contrary  notwithstanding,  Seller  shall  have  the  option  (the  "Seller
Option"), exercisable at any time prior to 11:00 p.m., Eastern Standard Time, on
January 7, 1998, by notice to Buyer,  to elect to reduce to 4,105,043 the number
of shares of Common  Stock to be sold to Buyer  pursuant to the  Agreement.  Any
such  notice  may  be  given  in a  writing  delivered  to  Buyer  by  facsimile
transmission at (404) 262-2598 as to which  confirmation of receipt is obtained,
or by any other method  specified  in Section 9.1 hereof.  In the event that the
Seller Option is exercised, the following provisions shall be applicable:

                           (a) All  references  in this  Agreement to the Shares
shall be  references  to an aggregate of 4,105,043  shares of Common Stock to be
sold by Seller to Buyer.

                           (b) The Purchase Price shall be $71,838,252 and shall
be payable as follows:

                                    (i)     $59,662,956  shall  be  paid  on the
                                            Closing  Date  by wire  transfer  of
                                            immediately   available   funds   as
                                            provided in Section  1.2(a)  hereof;
                                            and

                                    (ii)    the remainder of the Purchase  Price
                                            shall  be  paid by  delivery  on the
                                            Closing  Date  of  shares  of  Buyer
                                            Common  Stock  with  a  Fair  Market
                                            Value of $12,175,296. All references
                                            in  this  Agreement  to the  Payment
                                            Shares  shall  be  references  to an
                                            aggregate  number of shares of Buyer
                                            Common  Stock with such Fair  Market
                                            Value.


                                        2

<PAGE>
          ARTICLE II. REPRESENTATIONS AND WARRANTIES OF SELLER AND GST

         Each of Seller and GST represents and warrants to Buyer that:

         Section 2.1. Corporate  Existence.  Each of Seller, GST and the Company
is a corporation duly organized, validly existing and in good standing under the
laws of its respective jurisdiction of incorporation and has the corporate power
to own, operate or lease its respective  properties and to carry on its business
as now being  conducted.  Complete  and  correct  copies of the  Certificate  of
Incorporation  of the  Company  and all  amendments  thereto,  certified  by the
Secretary  of State of the State of  Delaware,  and of the ByLaws of the Company
and  all  amendments  thereto,  certified  by  the  Secretary  of  the  Company,
heretofore have been delivered to Buyer.  As a result of the business  conducted
by the Company or the  character or location of its  properties,  the Company is
duly  qualified to do business and is in good standing in those states listed on
Schedule  2.1 hereto,  which  states are the only states where the nature of the
business conducted by it or the character or location of its properties requires
such  qualification  and where the  failure to so qualify  would have a material
adverse  effect upon the business,  operations,  assets,  properties,  rights or
condition  (financial  or  otherwise)  or  prospects  of the Company or upon the
ability of the  Company to  consummate  the  transactions  contemplated  by this
Agreement (a "Material Adverse Effect").

         Section 2.2.  Authorization;  Validity.  Each of Seller and GST has all
requisite corporate power and authority to enter into this Agreement, to perform
its  respective   obligations  hereunder  and  to  consummate  the  transactions
contemplated hereby.  Except for the filings by Seller and Buyer required by The
Hart- Scott  Rodino  Antitrust  Improvements  Act of 1976,  as amended (the "HSR
Act"),  no  declaration,  recording  or  registration  with,  or  notice  to, or
authorization,  consent or approval of, any  governmental  or regulatory body or
authority  is necessary  for the  execution  and  delivery of this  Agreement by
Seller  or  GST  or the  consummation  by  Seller  and  GST of the  transactions
contemplated  hereby,  other  than such  declarations,  filings,  registrations,
notices,  authorizations,  consents or approvals which, if not made or obtained,
as the case may be, would not, in the aggregate, have a Material Adverse Effect.
All  necessary  action has been taken by each of Seller and GST with  respect to
the  execution,  delivery  and  performance  by each of  Seller  and GST of this
Agreement and the consummation of the transactions contemplated hereby. Assuming
the due execution and delivery of this  Agreement by Buyer,  this Agreement is a
legal,  valid and  binding  obligation  of each of Seller  and GST,  enforceable
against  each of  Seller  and GST in  accordance  with  its  terms,  subject  to
applicable bankruptcy, insolvency, reorganization,  moratorium and other similar
laws of general application affecting the enforcement of creditors' rights

                                        3

<PAGE>
and general  principles of equity (whether  applied in a proceeding at law or in
equity).

         Section 2.3. No Breach of Statute or  Contract.  Except as set forth on
Schedule 2.3 hereto,  neither the execution and delivery of this Agreement,  nor
the  consummation  by each of Seller  and GST of the  transactions  contemplated
hereby,  nor  compliance  by each of Seller  and GST with any of the  provisions
hereof,  will (a)  violate or cause a default  under any  statute  (domestic  or
foreign),  judgment,  order,  writ,  decree,  rule or regulation of any court or
governmental  authority applicable to Seller, GST or the Company or any of their
respective properties;  (b) breach or conflict with any of the terms, provisions
or conditions of the respective  Certificates  or Articles of  Incorporation  or
respective By-Laws of Seller, GST or the Company; or (c) violate,  conflict with
or breach or require the  authorization,  consent or approval of any party under
any agreement,  contract,  mortgage,  instrument,  indenture or license to which
Seller,  GST or the Company is a party or by which Seller, GST or the Company is
or may be bound, or constitute a default (in and of itself or with the giving of
notice,  passage  of time or both)  thereunder,  or  result in the  creation  or
imposition  of any  encumbrance  upon, or give to any other party or parties any
claim, interest or right, including rights of termination or cancellation in, or
with respect to, any of their respective properties or the Shares.

         Section 2.4.  Subsidiaries.  The Company has no  subsidiaries or equity
investments in any other corporation, association, partnership, joint venture or
other entity.

         Section 2.5.  Ownership of Shares.  Seller is the record and beneficial
owner of the Shares.  Seller owns the Shares and the Shares will be  transferred
to Buyer, free and clear of all liens,  claims,  charges and other  encumbrances
and  restrictions  of any kind or nature.  Seller has the power,  authority  and
capacity to transfer and deliver the Shares  pursuant to this  Agreement  and is
not party to or bound by any agreement, arrangement or option restricting in any
manner the sale and transfer of any of the Shares.

         Section 2.6.  Capitalization;  Shares. The Company's authorized capital
stock consists of 25,000,000  shares of Common Stock, of which 8,128,797  shares
are issued and outstanding on the date hereof and 10,000,000 shares of preferred
stock,  $.01 par value per  share,  none of which  are  outstanding  on the date
hereof.  No  shares  of the  Company's  capital  stock  are  owned  directly  or
indirectly by the Company. All of the Company's issued and outstanding shares of
capital  stock  are  duly  authorized  and  validly   issued,   fully  paid  and
non-assessable.  Except  as set  forth on  Schedule  2.6  hereto,  there  are no
subscriptions,   options,  warrants,  calls,  rights,  agreements,  commitments,
understandings,  restrictions  or  arrangements  of  any  kind  relating  to the
issuance,

                                        4

<PAGE>
sale or transfer  by the Company of any of its capital  stock or relating to the
sale or transfer of the Shares,  including,  without  limitation,  any rights of
conversion or exchange under any  outstanding  securities or other  instruments.
There are no voting  trusts or other  agreements or  understandings  of any kind
with respect to the Shares.

         Section  2.7.  SEC Reports and  Financial  Statements.  The Company has
timely filed with the Securities and Exchange  Commission  (the "SEC"),  and has
heretofore  made  available  to Buyer  true and  complete  copies of, all forms,
reports,  schedules,  statements and other documents  required to be filed by it
under the Securities  Act of 1933, as amended (the  "Securities  Act"),  and the
Securities  Exchange  Act of 1934,  as  amended  (the  "Exchange  Act") (as such
documents have been amended or supplemented  since the time of their filing and,
in the case of  registration  statements and proxy  statements,  on the dates of
effectiveness and the dates of mailing, respectively, collectively, the "Company
SEC  Reports").  At the time of filing,  the Company SEC Reports  (including any
financial  statements  or  schedules  included  therein) (a) 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 light of the
circumstances under which they were made, not misleading and (b) complied in all
material respects with the applicable requirements of the Securities Act and the
Exchange Act, as the case may be. The audited consolidated  financial statements
and unaudited interim consolidated  financial statements  (including the related
notes) of the Company  included in the Company SEC Reports have been prepared in
accordance with generally accepted accounting principles applied on a consistent
basis  (except as may be indicated  therein or in the notes  thereto) and fairly
present in all material respects the financial position of the Company as of the
dates  thereof  and the  results of its  operations  and  changes  in  financial
position  for the periods  then  ended,  subject,  in the case of the  unaudited
interim financial statements, to normal year-end audit adjustments and any other
adjustments described therein (which will not be material individually or in the
aggregate).

         Section 2.8. Absence of Undisclosed Liabilities. Except as disclosed in
the Company SEC  Reports,  the Company  has no material  debts,  liabilities  or
obligations of any kind, whether accrued, absolute, contingent or other, whether
due or to become due, that would have a Material Adverse Effect.

         Section 2.9. Absence of Certain Changes or Events.  Except as set forth
on Schedule  2.9  hereto,  since June 30,  1997,  no event or  circumstance  has
occurred  resulting or reasonably likely to result in a Material Adverse Effect.
Without limiting the generality of the foregoing,  since that date there has not
been, with respect to the Company:


                                        5

<PAGE>
                  (a) Any change in its Business,  operations  (as now conducted
or as  presently  proposed  to be  conducted),  assets,  properties  or  rights,
prospects or condition  (financial or otherwise),  or combination  thereof which
reasonably could be expected to result in a Material Adverse Effect;

                  (b) Other than in the usual and  ordinary  course of business,
any  increase  in  amounts  payable by the  Company to or for the  benefit of or
committed  to be  paid by the  Company  to or for the  benefit  of any  officer,
director,  stockholder,  consultant,  agent or employee of the  Company,  in any
capacity,  or in any benefits  granted  under any bonus,  stock  option,  profit
sharing, pension, retirement, deferred compensation,  insurance, or other direct
or indirect benefit plan with respect to any such person;

                  (c) Any transaction  entered into or carried out other than in
the ordinary and usual course of its business, including without limitation, any
transaction resulting in the incurrence of liabilities or obligations;

                  (d) Any material  change made in the methods of doing business
or in the  accounting  principles or practices or the method of  application  of
such principles or practices;

                  (e)   Any   mortgage,   pledge,   lien,   security   interest,
hypothecation, charge or other encumbrance imposed or agreed to be imposed on or
with respect to any of its properties  that will not be discharged  prior to the
Closing Date except for financing  statements filed by personal property lessors
as a matter of notification only;

                  (f) Except in the ordinary course of business, any sale, lease
or other disposition of, or any agreement to sell, lease or otherwise dispose of
any of its properties, assets or services,  individually or in the aggregate, in
excess of $100,000;

                  (g) Any  purchase  of or any  agreement  to  purchase  capital
assets or any lease or any agreement to lease,  as lessee,  any capital  assets,
individually  or in the  aggregate,  with a purchase  price or carrying value in
excess of $100,000;

                  (h) Any  modification,  waiver,  change,  amendment,  release,
rescission or termination  of, or accord and  satisfaction  with respect to, any
material  term,  condition or provision of any contract,  agreement,  license or
other instrument to which the Company is a party, other than any satisfaction by
performance  in  accordance  with the terms  thereof  in the usual and  ordinary
course of its business;

                  (i) Any declaration  of, or dividend or other  distribution to
the Company's stockholders,  purchase,  redemption or reclassification of any of
the Company's capital stock or stock

                                        6

<PAGE>

split,  stock  dividend,  exchange  or  recapitalization  or  execution  of  any
agreement in respect of the foregoing;

                  (j) Any damage,  destruction  or similar loss,  whether or not
covered by insurance, adversely affecting the Business; or

                  (k) Any commitment by the Company to do any of the foregoing.

         Section 2.10.  Proprietary Rights.  Schedule 2.10 sets forth a complete
and  accurate  list of all  patents  (including  all  reissues,  reexaminations,
continuations,  continuations-in-part and divisions thereof),  inventions, trade
secrets,  processes,   proprietary  rights,  proprietary  knowledge,   know-how,
computer software,  trademarks,  names, service marks, trade names,  copyrights,
symbols,  logos,  franchises  and permits of the  Company  and all  applications
therefor,  registrations  thereof and  licenses,  sublicenses  or  agreements in
respect  thereof  that the Company  owns or has the right to use or to which the
Company is a party and all  filings,  registrations  or  issuances of any of the
foregoing  with  or  by  any  federal,   state,  local  or  foreign  regulatory,
administrative   or   governmental   office  or   offices   (collectively,   the
"Intellectual  Property  Rights").  Except as set forth on  Schedule  2.10,  the
Company is the sole and exclusive owner of all right,  title and interest in and
to all  Proprietary  Rights  free  and  clear  of all  liens,  claims,  charges,
equities,  rights of use,  encumbrances and restrictions  whatsoever.  Except as
disclosed  in  Schedule  2.10 or as would not  reasonably  be expected to have a
Material  Adverse  Effect (a) the Company is not,  nor will it be as a result of
the  execution  and  delivery  of  this  Agreement  or  the  performance  of its
obligations  hereunder,  in  violation  of  any  license,  sublicense  or  other
agreement to which it is a party and pursuant to which it is  authorized  to use
any  third-party   patents,   trademarks,   service  marks  or  copyrights  (the
"Third-Party  Intellectual Property Rights");  (b) no claims with respect to the
patents,  registered  and material  unregistered  trademarks  and service marks,
registered  copyrights,  trade names and any applications  therefor owned by the
Company (the "Company Intellectual Property Rights"),  any trade secret material
to the  Company,  or Third  Party  Intellectual  Property  Rights to the  extent
arising  out of any  use,  reproduction  or  distribution  of such  Third  Party
Intellectual  Property Rights or through the Company,  are currently pending or,
to the knowledge of Seller,  are  threatened  in writing by any person;  and (c)
Seller  does not know of any valid  ground  for any bona fide  claims (i) to the
effect that the manufacture, sale, licensing or use of any products as now used,
sold or licensed or proposed for use, sale or license by the Company,  infringes
on any copyright, patent, trademarks, service mark or trade secrets, copyrights,
patents,  technology,  know-how or computer  software  programs and applications
used in the business of the Company as currently  conducted or as proposed to be
conducted; (iii) challenging the ownership,  validity or effectiveness of any of
the Company Intellectual Property Rights

                                        7

<PAGE>
or other trade secret material to the Company;  or (iv)  challenging the license
or legally  enforceable  right to use of the Third Party  Intellectual  Property
Rights by the Company.

         Section  2.11.  Litigation.  Schedule  2.11 sets forth a  complete  and
accurate list as of the date hereof of all claims, actions,  suits,  proceedings
or, to Seller's  knowledge,  investigations  (collectively,  the  "Proceedings")
pending or, to Seller's  knowledge,  threatened against or affecting the Company
or  any  of  the  Company's  properties  or to  Seller's  knowledge,  any of the
Company's  officers or directors in their  capacities as such,  in, before or by
any federal,  state,  or local or foreign  court,  governmental  agency or other
governmental  body  (each  a  "Governmental  Authority").  Seller  shall  update
Schedule  2.11 as of the  Closing  Date,  but any  information  on such  updated
schedule  relating  to  Proceedings  arising  after  the date  hereof  shall not
constitute a breach of this Section 2.11 unless such Proceedings have had or can
reasonably be expected to have a Material Adverse Effect. Except as set forth on
Schedule 2.11 or as disclosed in the Company SEC Reports, there is no Proceeding
pending or, to the  knowledge of Seller,  threatened  against or  affecting  the
Company or any of the Company's properties or to Seller's knowledge,  any of the
Company's  officers or directors in their capacity as such, in, before or by any
Governmental  Authority  that has had or can  reasonably  be  expected to have a
Material  Adverse  Effect,  nor to  Seller's  knowledge,  has  any  Governmental
Authority  notified  the Company  prior to the date hereof of any  intention  to
conduct any investigation  with respect to the Company.  To Seller's  knowledge,
the  Company is not subject to or in default  with the respect to any  judgment,
order, writ, injunction or decree or any governmental restriction.

         Section  2.12.  Contracts  and  Commitments.  Schedule  2.12  lists all
personal  property  leases,  contracts,  agreements,  contract  rights,  license
agreements,  franchise  rights  and  agreements,  policies,  purchase  and sales
orders,   quotations  and  executory  commitments,   instruments,   third  party
guaranties,  indemnifications,  arrangements,  obligations  and  understandings,
whether oral or written, to which the Company is a party (whether or not legally
bound thereby)  (collectively,  the  "Contracts"),  other than purchase and sale
orders,  quotations and executory commitments incurred in the ordinary course of
business of the Company, that are currently in effect and that require payments,
individually or in the aggregate,  in excess of $100,000.  Each of the Contracts
is valid and  binding,  in full  force and effect and  enforceable  against  the
Company in accordance with its provisions. Except as set forth on Schedule 2.12,
the Company has not  assigned,  mortgaged,  pledged,  encumbered,  or  otherwise
hypothecated  any of its right,  title or interest  under any of the  Contracts.
Neither the Company nor, to Seller's  knowledge,  any other party  thereto is in
violation  of, in  default  in  respect  of nor has there  occurred  an event or
condition which, with the passage of time or giving of notice (or both),

                                        8

<PAGE>
would  constitute a material  violation or a default of any Contract.  No notice
has been  received by Seller or the  Company  claiming  any such  default by the
Company or  indicating  the desire or  intention  of any other party  thereto to
amend, modify, rescind or terminate the same.

         Section 2.13. Compliance with Laws; Environmental Matters.

                  (a) For the purposes of this Section 2.13, the following terms
shall have the following meanings:

                           (i)      "Environmental Laws" means the Comprehensive
Environmental  Response,  Compensation and Liability Act of 1980, as amended, 42
U.S.C.  SectionSection9601  et seq., the Toxic Substances Control Act, 15 U.S.C.
SectionSection2601, et seq., the Resource Conservation and Recovery Act of 1976,
42 U.S.C.  SectionSection6901,  et seq., and any other applicable federal, state
or local law or statute, ordinance, order, judgment, rule or regulation relating
to the environment, its pollution or protection.

                           (ii)     "Hazardous Substance" means any hazardous
waste,  hazardous  substance,   contaminant,  solid  waste  or  material,  toxic
substance,  petroleum product,  distillate or residue, or pollutant (as those or
similar terms are defined under any Environmental Laws).

                  (b) The Company is in compliance in all material respects with
all laws,  ordinances,  regulations and orders  applicable to the Business,  and
Seller has no notice or actual  knowledge  of any  violations  thereof,  whether
actual,  claimed or alleged,  except as  disclosed  on Schedule  2.13 hereto and
except for those  instances of  non-compliance  or those  violations  as are not
reasonably likely to have a Material Adverse Effect.

                  (c) The Company is not the subject of or, to the  knowledge of
Seller, being threatened to be the subject of (i) any enforcement proceeding, or
(ii) any  investigation,  brought in either case under any Environmental Law, at
any time in effect or (iii) any third party claim  relating to the  violation of
any Environmental  Law on or off the properties of the Company.  The Company has
not been notified that it must obtain any permits and licenses or file documents
for the operation of its business under any Environmental  Laws. The Company has
not been notified of any conditions on or off its properties that can reasonably
be  expected  to give  rise to any  liabilities,  known or  unknown,  under  any
Environmental  Law and that  would  reasonably  be  anticipated  to  result in a
Material Adverse Effect.

                  (d)  Except  as  disclosed  on  Schedule  2.13,  there  are no
Hazardous  Substances  that, to the  knowledge of Seller,  the Company has used,
stored or otherwise held in or on any of the facilities

                                        9

<PAGE>
of the Company that are present at or have migrated from the facilities, whether
contained in ambient air, surface water, groundwater, land surface or subsurface
strata.

         Section 2.14. Taxes. Except as set forth on Schedule 2.14:

                  (a) The Company has duly filed all federal,  state,  local and
foreign tax  returns and tax reports  required to have been filed by it prior to
the date hereof and will file, on or before the Closing  Date,  all such returns
and reports that are required to be filed after the date hereof and on or before
the Closing Date, all such returns and reports are true, correct and complete in
all material  respects,  none of such returns and reports has been amended,  and
all taxes,  assessments,  fees and other governmental charges arising under such
returns and reports (i) have been fully paid (or, with respect to any returns or
reports filed between the date hereof and the Closing Date, will be, or (ii) are
being contested in good faith by appropriate  proceedings  (and are set forth on
Schedule 2.14);

                  (b) Schedule  2.14 sets forth the dates and results of any and
all audits of  federal,  state,  local and  foreign  tax  returns of the Company
performed by federal, state, local or foreign taxing authorities.  No waivers of
any  applicable  statutes  of  limitations  are  outstanding.  All  deficiencies
proposed  as a result  of any  audits  have been  paid or  settled.  There is no
pending or threatened federal,  state, local or foreign tax audit of the Company
and no agreement  with any federal,  state,  local or foreign tax authority that
may affect the subsequent tax liabilities of the Company; and

                  (c) The Company has no  material  liabilities  for taxes other
than as shown on the financial  statements  included in the Company SEC Reports,
and no federal,  state,  local or foreign tax  authority is now asserting or, to
the knowledge of Seller,  threatening to assert any deficiency or assessment for
additional taxes with respect to the Company.

                  Section  2.15.  Employees.  To the  knowledge  of  Seller,  no
executive,  key employee or group thereof plans to terminate employment with the
Company  during the six month period  following the date hereof.  The Company is
not a party to or  bound by any  collective  bargaining  agreement,  nor has the
Company experienced any strike or material  grievance,  unfair labor practice or
other  collective  bargaining  dispute within the three year period prior to the
date hereof.  To the  knowledge  of Seller,  the Company has not  committed  any
wrongful  discharge  or other  wrongful act with  respect to the  employment  or
termination of any employee prior to the Closing Date that,  individually  or in
the  aggregate,  can  reasonably  be  expected  to result in a Material  Adverse
Effect.

         Section 2.16. Company Employee Benefit Plans.

                                       10

<PAGE>

                  (a) For  purposes  of this  Section  2.16,  the  term  Company
Benefit Plan means any plan,  program,  arrangement,  fund, policy,  practice or
contract  which,  through  which or under which the  Company or a Company  ERISA
Affiliate (as hereinafter  defined)  provides  benefits or compensation to or on
behalf of  employees  or former  employees  of the  Company  or a Company  ERISA
Affiliate (as hereinafter defined),  whether formal or informal,  whether or not
written, including but not limited to the following:

                           (1) Arrangements - any bonus, incentive compensation,
                           stock  option,  deferred  compensation,   commission,
                           severance pay, golden parachute or other compensation
                           plan or rabbi trust;

                           (2) ERISA  Plans - any  "employee  benefit  plan" (as
                           defined in Section  3(3) of the  Employee  Retirement
                           Income  Security Act of 1974,  as amended  ("ERISA"),
                           including,  but not  limited  to, any  multi-employer
                           plan  (as  defined  in  Section   3(37)  and  Section
                           4001(a)(3) of ERISA),  defined  benefit plan,  profit
                           sharing plan,  money  purchase  pension plan,  401(k)
                           plan,  savings  or thrift  plan,  stock  bonus  plan,
                           employee  stock  ownership  plan, or any plan,  fund,
                           program,   arrangement  or  practice   providing  for
                           medical    (including    post-retirement    medical),
                           hospitalization,  accident, sickness,  disability, or
                           life insurance benefits; and

                           (3)  Other  Employee  Fringe  Benefits  -  any  stock
                           purchase,  vacation,  scholarship,  day care, prepaid
                           legal   services,    dependent    care,    telephone,
                           automobile, department travel or other fringe benefit
                           plans,   programs,    arrangements,    contracts   or
                           practices.

                  (b) For  purposes of Section  2.16,  the term  "Company  ERISA
Affiliate"  means each trade or  business  (whether  or not  incorporated)  that
together with the Company is treated as a single  employer under Section 414(b),
(c), (m) or (o) of the Internal Revenue Code of 1986, as amended (the "Code").

                  (c) Except as described in the Company SEC Reports or Schedule
2.16 hereto,  the Company does not maintain,  nor has it at any time established
or maintained, nor has it at any time been obligated to make, or otherwise made,
contributions to or under or otherwise participated in any Company Benefit Plan.

                  (d)  Except as  described  in the  Company  SEC  Reports or on
Schedule  2.16  hereto,  neither the Company  nor any  Company  ERISA  Affiliate
maintains,  nor has at any time  established  or maintained  nor has at any time
been obligated to make, or made,  contributions  to or under any  multi-employer
plan. Except as described in the

                                       11

<PAGE>
Company SEC Reports or on Schedule  2.16 hereto,  the Company does not maintain,
nor has it at any time  established or  maintained,  nor has it at any time been
obligated to make, or made  contributions to or under (i) any plan that provides
post-retirement  medical or health  benefits  with  respect to  employees of the
Company;  (ii) any organization  described in Section 501(s)(9) or 501(c)(20) of
the Code;  (iii) any defined benefit pension plan or money purchase pension plan
subject to Title IV of ERISA; or (iv) any plan that provides retirement benefits
in excess of the limitations in Section 401(a)(17),  401(k),  401(m),  402(g) or
415 of the  Code.  There is no lien  upon any  property  of the  Company  or any
Company ERISA  Affiliate  outstanding  pursuant to Section 412(n) of the Code in
favor of any Company Benefit Plan. No assets of the Company or any Company ERISA
Affiliate  have been provided as security for any Company  Benefit Plan pursuant
to Section 401(a)(29) of the Code.

                  (e) The  Company  has  made  available  to  Buyer  a true  and
complete copy of the following  documents,  if applicable,  with respect to each
Company  Benefit Plan identified in the Company SEC Reports and in Schedule 2.16
hereto;  (i)  all  documents,   including  any  insurance  contracts  and  trust
agreements, setting forth the terms of the Company Benefit Plan, or if there are
no such documents evidencing the Company Benefit Plan, a full description of the
Company  Benefit  Plan;  (ii) the ERISA summary plan  description  and any other
summary of plan provisions  provided to participants or  beneficiaries  for each
such Company  Benefit Plan;  (iii) the annual  reports filed for the most recent
three plan years and most recent financial  statements or periodic accounting of
related  plan assets with respect to each Company  Benefit  Plan;  (iv) the more
recent  favorable  determination  letter,  opinion or ruling  from the  Internal
Revenue  Service for each Company  Benefit Plan, the assets of which are held in
trust,  to the effect that such trust is exempt from federal income tax; and (v)
each  opinion or ruling  from the  Department  of Labor or the  Pension  Benefit
Guaranty Corporation with respect to such Company Benefit Plans.

                  (f) Except as described  in Exhibit 2.16 hereto,  each Company
Benefit  Plan that is funded  through a trust or  insurance  contract has at all
times satisfied in all material  respects,  by its terms and its operation,  all
applicable  requirements  for an exemption  from federal  income  taxation under
Section 501(a) of the Code.  Neither the Company nor any Company ERISA Affiliate
maintains a Company  Benefit Plan that meets the  requirements of Section 401(a)
of the Code (each a "401 Plan").  Any determination  letter issued by the IRS to
the effect that any such 401 Plan qualifies under Section 401(a) of the Code and
that the related trust is exempt from taxation  under Section 501(a) of the Code
remains  in  effect  and has not  been  revoked.  Each  such 401  Plan,  if any,
currently  complies in form in all material respects with the requirements under
Section 401(a) of the Code, other than changes required by statutes, regulations
and rulings for which  amendments  are not required.  Each 401 Plan, if any, has
been administered in

                                       12

<PAGE>
all material  respects  according to its terms (except for those terms which are
inconsistent with the changes required by statutes, regulations and rulings) and
in accordance with the requirements of Section 401(a) of the Code. Each such 401
Plan,  if any,  has been  tested for  compliance  with,  and has  satisfied  the
requirements of, Section  401(k)(3) and (4)(m)(2) of the Code for each plan year
ending prior to the Closing Date.

                  (g) Except as described in Schedule 2.16 hereto,  each Company
Benefit Plan  maintained by the Company or a Company ERISA  Affiliate has at all
times been  maintained,  by its terms and in operation,  in accordance  with all
applicable laws in all material  respects,  including (to the extent applicable)
Code Section 4980B. There has been no failure to comply with applicable ERISA or
other  material  requirements  concerning  the filing of reports,  documents and
notices with the Secretary of Labor and Secretary of Treasury or the  furnishing
of such  documents  to  participants  or  beneficiaries  that could  subject any
Company Benefit Plan, the Company or any Company ERISA Affiliate to any material
civil or any criminal sanction.

                  (h) There are no  actions,  audits,  suits or claims  known to
Seller that are pending or  threatened  against any Company  Benefit  Plan,  any
fiduciary of any of Company  Benefit  Plans with respect to the Company  Benefit
Plans,  except claims for benefits made in the ordinary  course of the operation
of such plans.

                  (i) The Company and each Company ERISA Affiliate has made full
and timely payment of all amounts required to be contributed  under the terms of
each Company  Benefit Plan and applicable law or required to be paid as expenses
under such Company  Benefit Plan, and no excise taxes are assessable as a result
of any  nondeductible  or  other  contributions  made or not  made to a  Company
Benefit Plan. No event or condition  exists with respect to any Company  Benefit
Plan subject to Title IV of ERISA that could be deemed a "Reportable  Event" (as
defined  in  Title  IV or  ERISA)  with  respect  to  which  the 30  day  notice
requirement  has not been waived that could  result in a material  liability  to
Company,  and no condition  exists that would subject Company to a material fine
under  Section 4071 of ERISA.  The assets of all Company  Benefit Plans that are
required  under  applicable  laws to be held in trust are in fact held in trust,
and the assets of each such Company Benefit Plan equal or exceed the liabilities
of each  such  plan.  The  liabilities  of each  other  plan  are  properly  and
accurately  reported in all material  respects on the financial  statements  and
records of the Company.  The assets of each Company Benefit Plan are reported at
their fair market value on the books and records of each plan.

                  (j) Neither the Company  nor any Company  ERISA  Affiliate  is
subject  to any  material  liability,  tax or penalty  whatsoever  to any person
whomsoever as a result of Company's or any Company ERISA

                                       13

<PAGE>
Affiliate's  engaging in a prohibited  transaction  under ERISA or the Code, and
Seller has no knowledge of any circumstances that reasonably might result in any
such  material  liability,  tax or penalty as a result of a breach of  fiduciary
duty under ERISA. The termination of or withdrawal from any Company Benefit Plan
maintained by Company or Company ERISA  Affiliate that is subject to Title IV of
ERISA or any other Company Benefit Plan immediately  after the Closing Date will
not subject to Company or any Company ERISA Affiliate to any additional material
contribution  requirement  or to any other  material  liability,  tax or penalty
whatsoever  (excluding any liability,  tax or penalty attributable solely to the
fact  that  such   termination  or  withdrawal   would  violate  the  permanency
requirement  of Section  401(a) of the code or an excise tax under Code  Section
4980).   Neither  the  execution  nor  the   performance  of  the   transactions
contemplated  by this Agreement will create,  accelerate or increase  materially
any  obligations  under any Company  Benefit  Plan.  Neither the Company nor any
Company ERISA Affiliate has any obligation to any retired or former employee, or
any current employee upon retirement, under any Company Benefit Plan.

                  (k) From the date of this  Agreement to the Closing  Date,  no
amendment shall be made to any Company Benefit Plan, no commitment shall be made
to amend any Company  Benefit Plan and no  commitment  shall be made to continue
any  Company  Benefit  Plan or to adopt  any new  Company  Benefit  Plan for the
benefit of any  employees of Company or any Company ERISA  Affiliate  absent the
express written consent of Buyer.

                  (l) No payment required to be made to any employee  associated
with the Company as a result of the transactions  contemplated  hereby under any
contract or otherwise will, if made,  constitute an "excess  parachute  payment"
within the meaning of Section 280G of the Code.

                  (m) Except as described on Schedule 2.16, the  consummation of
the transactions  contemplated hereby will not accelerate or increase materially
liability  under any Company Benefit Plan because of an acceleration or increase
of any of the  rights or  benefits  to which  employees  of the  Company  or any
Company ERISA Affiliate may be entitled thereunder.

                  (n) Except as described on Schedule  2.16, the Company has, on
a timely basis, made all material payments, withholdings and filings of any kind
required of it by, and has otherwise complied in all material respects with, any
applicable law, regulation or administrative  order concerning pension,  health,
welfare, unemployment, workers' compensation or similar benefits administered by
any governmental, regulatory or public body.

         Section  2.17.  Brokers.  Except as  disclosed  on Schedule  2.17,  all
negotiations relative to this Agreement and the

                                       14

<PAGE>
transactions contemplated hereby have been carried on by or on behalf of Seller,
GST and the  Company  in such a manner as not to give rise to any claim  against
Buyer,  any  Affiliate  (as such term is  defined  in the rules and  regulations
promulgated under the Securities Act) thereof,  Seller, GST or the Company for a
finder's fee, brokerage commission, advisory fee or other similar payment.

                  Section 2.18. Closing Date Effect. All of the  representations
and  warranties of Seller and GST are true and correct as of the date hereof and
shall be true and correct on and as of the Closing  Date with the same force and
effect as if such  representations and warranties were made by Seller and GST to
Buyer on the Closing Date.


              ARTICLE III. REPRESENTATIONS AND WARRANTIES OF BUYER

         Buyer represents and warrants to Seller and GST that:

         Section  3.1.  Corporate   Existence.   Buyer  is  a  corporation  duly
organized,  validly existing and in good standing under the laws of the State of
Delaware.  Complete and correct copies of the  Certificate of  Incorporation  of
Buyer and all  amendments  thereto,  certified by the  Secretary of State of the
State of  Delaware,  and the  By-laws  of  Buyer,  and all  amendments  thereto,
certified by the Secretary of Buyer,  heretofore  have been delivered to Seller.
As a result of the business  conducted by Buyer or the  character or location of
its  properties,  Buyer is duly qualified to do business and is in good standing
in those states  listed on Schedule 3.1 hereto,  which are the only states where
the nature of the business  conducted by it or the  character or location of its
properties requires such qualification and where the failure to so qualify would
have  a  material  adverse  effect  upon  the  business,   operations,   assets,
properties,  rights or condition  (financial or otherwise) or prospects of Buyer
or upon the ability of the Buyer to consummate the transactions  contemplated by
this Agreement (a "Buyer Material Adverse Effect").

         Section 3.2. Authorization; Validity. Buyer has all requisite corporate
power and  authority to enter into this  Agreement,  to perform its  obligations
hereunder and to consummate the transactions contemplated hereby. Except for the
filings by Seller and Buyer required by the HSR Act, no  declaration,  recording
or registration  with, or notice to, or  authorization,  consent or approval of,
any  governmental or regulatory body or authority is necessary for the execution
and  delivery of this  Agreement  by Buyer or the  consummation  by Buyer of the
transactions  contemplated  hereby,  other  than  such  declarations,   filings,
registrations, notices, authorizations, consents or approvals which, if not made
or  obtained,  as the case may be,  would not,  in the  aggregate,  have a Buyer
Material Adverse Effect. All necessary  corporate action has been taken by Buyer
with respect to the execution, delivery and

                                       15

<PAGE>
performance by Buyer of this Agreement and the  consummation of the transactions
contemplated  hereby.  Assuming the due execution and delivery of this Agreement
by Seller and GST, this  Agreement is a legal,  valid and binding  obligation of
Buyer,  enforceable  against  Buyer in  accordance  with its  terms,  subject to
applicable bankruptcy, insolvency, reorganization,  moratorium and other similar
laws of general  application  affecting the enforcement of creditors' rights and
general  principles  of equity  (whether  applied in a  proceeding  at law or in
equity).

         Section  3.3. No Breach of Statute or Contract.  Neither the  execution
and  delivery  of  this  Agreement,   nor  the  consummation  by  Buyer  of  the
transactions  contemplated  hereby,  nor  compliance  by  Buyer  with any of the
provisions  hereof,  will (a)  violate  or cause a  default  under  any  statute
(domestic or foreign),  judgment, order, writ, decree, rule or regulation of any
court or  governmental  authority  applicable  to  Buyer or any of its  material
properties;  (b)  breach  or  conflict  with  any of the  terms,  provisions  or
conditions  of the  Certificate  of  Incorporation  or By-laws of Buyer;  or (c)
violate,  conflict  with or breach or  require  the  authorization,  consent  or
approval  of any party  under any  agreement,  contract,  mortgage,  instrument,
indenture  or  license  to which  Buyer is party or by which  Buyer is or may be
bound,  or  constitute a default (in and of itself or with the giving of notice,
passage of time or both) thereunder,  or result in the creation or imposition of
any encumbrance upon, or give to any other party or parties, any claim, interest
or right, including rights of termination or cancellation in, or with respect to
any of Buyer's properties.

         Section 3.4.  Capitalization;  Buyer Common Stock.  Buyer's  authorized
capital  stock  consists of 20,000,000  shares of Buyer Common  Stock,  of which
19,290,939  shares  are issued and  outstanding  on the date  hereof and will be
outstanding on the Closing Date.  Except as set forth in Schedule 3.4, there are
no subscriptions,  options,  warrants,  calls, rights,  contracts,  commitments,
understandings,  restrictions  or  arrangements  of  any  kind  relating  to the
issuance,  sale or  transfer by Buyer of its capital  stock,  including  without
limitation,   any  rights  of  conversion  or  exchange  under  any  outstanding
securities or other instruments. The issuance and delivery of the Payment Shares
have been duly and validly  authorized by all necessary  corporate action on the
part of Buyer and,  upon  issuance  as  provided  in the Note,  will be duly and
validly  issued,  fully paid and  non-assessable.  The  Payment  Shares  will be
issued, transferred and delivered to Seller free and clear of any and all liens,
claims,  charges,  encumbrances,  restrictions  and  agreements  of  any  nature
whatsoever. The Payment Shares will not be issued, transferred, and delivered to
Seller in violation of any preemptive  rights,  rights of first refusal or other
similar rights.


                                       16

<PAGE>
         Section 3.5.  SEC Reports and  Financial  Statements.  Buyer has timely
filed with the SEC, and has heretofore made available to Seller and GST true and
complete  copies  of,  all  forms,  reports,  schedules,  statements  and  other
documents  required to be filed by it under the  Securities Act and the Exchange
Act on or after  January  1,  1995 (as  such  documents  have  been  amended  or
supplemented  since the time of their  filing and,  in the case of  registration
statements and proxy statements,  on the dates of effectiveness and the dates of
mailing,  respectively,  collectively,  the "Buyer SEC Reports"). At the time of
filing, the Buyer SEC Reports  (including any financial  statements or schedules
included therein) (a) 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 light of the  circumstances  under which they were
made,  not  misleading  and (b)  complied  in all  material  respects  with  the
applicable  requirements of the Securities Act and the Exchange Act, as the case
may be. The audited  consolidated  financial  statements  and unaudited  interim
consolidated  financial  statements  (including  the  related  notes)  of  Buyer
included  in the Buyer  SEC  Reports  have  been  prepared  in  accordance  with
generally accepted  accounting  principles applied on a consistent basis (except
as may be indicated  therein or in the notes  thereto) and fairly present in all
material respects the financial position of Buyer and its subsidiaries as of the
dates  thereof and the  results of their  operations  and  changes in  financial
position  for the periods  then  ended,  subject,  in the case of the  unaudited
interim financial statements, to normal year-end audit adjustments and any other
adjustments described therein (which will not be material individually or in the
aggregate).

         Section 3.6. Absence of Undisclosed Liabilities. Except as disclosed in
the Buyer SEC Reports,  Buyer has no material debts,  liabilities or obligations
of any kind, whether accrued,  absolute,  contingent or other, whether due or to
become due, that would have a Buyer Material Adverse Effect.

         Section 3.7. Absence of Certain Changes or Events.  Except as set forth
on Schedule 3.7 hereto,  since September 30, 1997, no event or circumstance  has
occurred  resulting or reasonably  likely to result in a Buyer Material  Adverse
Effect. Without limiting the generality of the foregoing, since that date, there
has not been with respect to Buyer:

                  (a) Any change in its business,  operations  (as now conducted
or as  presently  proposed  to be  conducted),  assets,  properties  or  rights,
prospects or condition  (financial or otherwise),  or combination  thereof which
reasonably could be expected to result in a Buyer Material Adverse Effect;

                  (b) Other than in the usual and  ordinary  course of business,
any  increase in amounts  payable by Buyer to or for the benefit of or committed
to be paid by Buyer to or for the benefit

                                       17

<PAGE>
of any officer, director,  stockholder,  consultant, agent or employee of Buyer,
in any  capacity,  or in any benefits  granted  under any bonus,  stock  option,
profit sharing, pension, retirement, deferred compensation,  insurance, or other
direct or indirect benefit plan with respect to any such person;

                  (c) Any transaction  entered into or carried out other than in
the ordinary and usual course of its business, including without limitation, any
transaction resulting in the incurrence of liabilities or obligations;

                  (d) Any material  change made in the methods of doing business
or in the  accounting  principles or practices or the method of  application  of
such principles or practices;

                  (e)   Any   mortgage,   pledge,   lien,   security   interest,
hypothecation, charge or other encumbrance imposed or agreed to be imposed on or
with respect to any of its properties  that will not be discharged  prior to the
Closing Date except for financing  statements filed by personal property lessors
as a matter of notification only;

                  (f) Except in the ordinary course of business, any sale, lease
or other disposition of, or any agreement to sell, lease or otherwise dispose of
any of its properties, assets or services,  individually or in the aggregate, in
excess of $100,000;

                  (g) Any  purchase  of or any  agreement  to  purchase  capital
assets or any lease or any agreement to lease,  as lessee,  any capital  assets,
individually  or in the  aggregate,  with a purchase  price or carrying value in
excess of $100,000;

                  (h) Any  modification,  waiver,  change,  amendment,  release,
rescission or termination  of, or accord and  satisfaction  with respect to, any
material  term,  condition or provision of any contract,  agreement,  license or
other instrument to which the Company is a party, other than any satisfaction by
performance  in  accordance  with the terms  thereof  in the usual and  ordinary
course of its business;

                  (i) Any declaration  of, or dividend or other  distribution to
the Company's shareholders,  purchase,  redemption or reclassification of any of
the  Company's  capital  stock or  stock  split,  stock  dividend,  exchange  or
recapitalization or execution of any agreement in respect of the foregoing;

                  (j) Any damage,  destruction  or similar loss,  whether or not
covered by insurance, adversely affecting Buyer's business; or

                  (k) Any commitment by the Buyer to do any of the foregoing.


                                       18

<PAGE>
         Section  3.8.  Litigation.  Schedule  3.8  sets  forth a  complete  and
accurate  list as of the date hereof of all  Proceedings  pending or, to Buyer's
knowledge,  threatened  against  or  affecting  the Buyer or any of the  Buyer's
properties or to Buyer's knowledge any of Buyer's officers or directors in their
capacities as such, in, before or by any  Governmental  Authority.  Seller shall
update  Schedule 3.8 as of the Closing Date, but any information on such updated
schedule  relating  to  Proceedings  arising  after  the date  hereof  shall not
constitute a breach of this Section 3.8 unless such  Proceedings have had or can
reasonably be expected to have a Buyer Material  Adverse  Effect.  Except as set
forth on Schedule  3.8 or as  disclosed  in the Buyer SEC  Reports,  there is no
Proceeding  pending  or,  to the  knowledge  of  Buyer,  threatened  against  or
affecting the Buyer or any of the Buyer's properties or to Buyer's knowledge any
of the Buyer's officers or directors in their capacity as such, in, before or by
any Governmental  Authority that has had or can reasonably be expected to have a
Buyer Material Adverse Effect,  nor has any Governmental  Authority notified the
Buyer prior to the date  hereof of any  intention  to conduct any  investigation
with  respect  to Buyer.  The Buyer is not  subject  to or in  default  with the
respect to any judgment,  order, writ,  injunction or decree or any governmental
restriction.

         Section 3.9. Compliance with Laws; Environmental Matters.

                  (a) Buyer is in compliance  in all material  respects with all
laws,  ordinances,  regulations and orders  applicable to its business and Buyer
has no notice or actual  knowledge of any violations  thereof,  whether  actual,
claimed or alleged,  except as  disclosed  on Schedule 3.9 hereto and except for
those  instances of  non-compliance  or those  violations as are not  reasonably
likely to have a Buyer Material Adverse Effect.

                  (b) Buyer is not the  subject of or, to its  knowledge,  being
threatened  to be the  subject of (i) any  enforcement  proceeding,  or (ii) any
investigation,  brought in either case under any Environmental  Law, at any time
in effect or (iii)  any third  party  claim  relating  to the  violation  of any
Environmental Law on or off the properties of Buyer. Buyer has not been notified
that it must obtain any permits and licenses or file documents for the operation
of its business under any Environmental Laws. Buyer has not been notified of any
conditions on or off its properties that can reasonably be expected to give rise
to any  Environmental  Law and that  would  result in a Buyer  Material  Adverse
Effect.

                  (c)  Except  as  disclosed  on  Schedule  3.9,  there  are  no
Hazardous  Substances that Buyer has used, stored or otherwise held in or on any
of the  facilities  of  Buyer  that are  present  at or have  migrated  from the
facilities,  whether contained in ambient air, surface water, groundwater,  land
surface or subsurface strata.


                                       19

<PAGE>
         Section 3.10. Taxes. Except as set forth on Schedule 3.10:

                  (a) Buyer and its  subsidiaries  have duly filed all  federal,
state,  local and foreign  tax  returns and tax reports  required to be filed by
them prior to the date hereof and will file, on or before the Closing Date,  all
such  returns and reports  which are  required to be filed after the date hereof
and on or before the  Closing  Date,  all such  returns  and  reports  are true,
correct and complete in all material respects,  none of such returns and reports
has been  amended,  and all  taxes,  assessments,  fees and  other  governmental
charges  arising  under such  returns  and reports (i) have been fully paid (or,
with  respect to any  returns or reports  filed  between the date hereof and the
Closing Date,  will be) or (ii) are being contested in good faith by appropriate
proceedings (and are set forth on Schedule 3.10);

                  (b) Schedule  3.10 sets forth the dates and results of any and
all audits of  federal,  state,  local and  foreign tax returns of Buyer and its
subsidiaries  have  performed  by  federal,   state,  local  or  foreign  taxing
authorities.   No  waivers  of  any  applicable   statutes  of  limitations  are
outstanding.  All deficiencies proposed as a result of any audits have been paid
or settled.  There is no pending or threatened federal,  state, local or foreign
tax audit of Buyer  and its  subsidiaries  and no  agreement  with any  federal,
state,  local or  foreign  tax  authority  that may affect  the  subsequent  tax
liabilities of the Company; and

                  (c) Buyer and its  subsidiaries  have no material  liabilities
for taxes other than as shown on the financial  statements included in the Buyer
SEC  Reports,  and no  federal,  state,  local or foreign tax  authority  is now
asserting or, to the knowledge of Buyer, threatening to assert any deficiency or
assessment for additional taxes with respect to the Company.

         Section  3.11.  Brokers.  Except  as  disclosed  on  Schedule  3.11 all
negotiations relative to this Agreement and the transactions contemplated hereby
have  been  carried  on by or on behalf of Buyer in such a manner as not to give
rise to any claim against  Buyer,  Seller,  GST, any Affiliate  thereof,  or the
Company for a finder's fee, brokerage commission,  advisory fee or other similar
payment.

         Section  3.12.  Closing Date  Effect.  All of the  representations  and
warranties of Buyer are true and correct as of the date hereof and shall be true
and correct on and as of the  Closing  Date with the same force and effect as if
such  representations and warranties were made by Buyer to Seller and GST on the
Closing Date.


                                       20

<PAGE>
                              ARTICLE IV. COVENANTS

         Section 4.1. Access to Information.

                  (a) GST and Seller  shall cause the Company to afford to Buyer
and, on a need to know basis, its accountants,  counsel,  financial advisors and
other  representatives (the "Buyer  Representatives")  full access during normal
business  hours  throughout  the period  prior to the Closing Date to all of its
properties,  books,  contracts,  commitments  and  records  (including,  but not
limited to, tax returns) and, during such period,  shall furnish promptly to the
Buyer or Buyer  Representatives  (i) a copy of each  report,  schedule and other
document  filed  by  it  with  the  SEC  in  connection  with  the  transactions
contemplated  by this  Agreement  or that  may  have a  material  effect  on its
businesses, and (ii) such other information concerning the Company's business as
Buyer shall reasonably request;  provided that no investigation pursuant to this
Section 4.1 shall amend or modify any  representations or warranties made herein
or the conditions to the obligations of the respective parties to consummate the
transactions  contemplated  hereby. Buyer shall treat, and shall cause the Buyer
Representatives  to treat, all such materials and information in accordance with
the terms and conditions of that certain Mutual  Non-Disclosure  Agreement dated
December , 1997 between Buyer and GST (the "Non-Disclosure Agreement").

                  (b) Buyer  shall  afford GST and Seller and, on a need to know
basis,  their  respective  accountants,  counsel,  financial  advisors and other
representatives  (the  "Seller   Representatives")  full  access  during  normal
business  hours  throughout  the period  prior to the Closing Date to all of the
respective properties, books, contracts, commitments and records (including, but
not limited  to, tax  returns) of Buyer and its  subsidiaries  and,  during such
period,  shall furnish promptly to GST and Seller or the Seller  Representatives
(i) a copy of each report, schedule and other document filed by any of them with
the SEC in connection  with the  transactions  contemplated by this Agreement or
that may have a material effect on their  respective  businesses,  and (ii) such
other information concerning Buyer's business as GST and Seller shall reasonably
request; provided that no investigation pursuant to this Section 4.1 shall amend
or modify any representations or warranties made herein or the conditions to the
obligations   of  the  respective   parties  to  consummate   the   transactions
contemplated  hereby.  Seller and GST shall  treat,  and shall  cause the Seller
Representative  to treat,  all such materials and information in accordance with
the terms and conditions of the Non-Disclosure Agreement.

         Section 4.2. Agreement to Cooperate.

                  (a) Subject to the terms and conditions herein provided,  each
of the parties hereto shall use all  reasonable  efforts to take, or cause to be
taken, all actions 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

                                       21

<PAGE>
transactions  contemplated  by this  Agreement,  including  using its reasonable
efforts to obtain all necessary or appropriate  waivers,  consents and approvals
and to effect all necessary filings and submissions.

                  (b) Without  limitation  of the  foregoing,  each of Buyer and
Seller  undertakes  and  agrees  to file as soon as  practicable  after the date
hereof a  Notification  and Report Form under the HSR Act with the Federal Trade
Commission  (the "FTC") and the Antitrust  Division of the Department of Justice
(the  "Antitrust  Division").  Each of Buyer and  Seller  shall (i) use its best
efforts to comply as  expeditiously  as possible with all lawful requests of the
FTC or the Antitrust Division for additional  information and documents and (ii)
not extend any waiting period under the HSR Act or enter into any agreement with
the  FTC  or  the  Antitrust   Division  not  to  consummate  the   transactions
contemplated  by this  Agreement,  except  with the prior  consent  of the other
parties hereto.

         Section 4.3. Directors' and Officers' Indemnification.

                  (a)  Subject  to the  terms of this  Section  4.3,  after  the
Closing  Date  and   notwithstanding  any  other  provision  contained  in  this
Agreement,  Buyer  shall and shall  cause the  Company,  to the  fullest  extent
permitted  under  applicable  law, to jointly and  severally  indemnify and hold
harmless, each director,  officer,  employee and agent of the Company who served
as such at any time prior to the Closing Date (each, together with such person's
heirs,   executors  or   administrators,   an  "NACT   Indemnified   Party"  and
collectively,  the "NACT  Indemnified  Parties")  against  any costs or expenses
(including  attorneys'  fees),   judgments,   fines,  losses,  claims,  damages,
liabilities and amounts paid in settlement in connection with any claim, action,
suit, proceeding or investigation,  whether civil,  criminal,  administrative or
investigative  (each  an  "NACT  Claim"),  arising  out  of,  relating  to or in
connection  with any action or  omission  occurring  prior to the  Closing  Date
(including,  without  limitation,  acts or  omissions  in  connection  with such
persons serving as an officer, director or other fiduciary in any entity if such
service was at the request or for the benefit of the  Company) or arising out of
or pertaining to the  transactions  contemplated  by this  Agreement;  provided,
however,  that  Buyer  shall have no  obligation  to  indemnify  any of the NACT
Indemnified  Parties  hereunder  unless  such party acted in good faith and in a
manner he reasonably  believed to be in or not opposed to the best  interests of
the Company,  and,  with respect to any criminal  action or  proceeding,  had no
reasonable cause to believe his conduct was unlawful (the "Conduct Standard").

                  (b) If any NACT Indemnified  Party shall seek  indemnification
pursuant to Section 4.3(a), such NACT Indemnified Party shall give prompt notice
to Buyer of an NACT Claim within 10 days after  receipt by the NACT  Indemnified
Party of notice of any such NACT Claim;  provided,  however, that the failure to
provide

                                       22

<PAGE>
such notice shall not release Buyer or the Company from any of their  respective
obligations  under this  Section  4.3,  except to the  extent  that Buyer or the
Company  is  materially   prejudiced  by  such  failure.   The  obligations  and
liabilities of Buyer and the Company under this Section 4.3 shall be governed by
and contingent upon the following additional terms and conditions:  Upon receipt
of notice from an NACT  Indemnified  Party as provided in this  Section  4.3(b),
Buyer  shall be  entitled  to assume and  control  the defense of the NACT Claim
identified  in such  notice at its  expense  and  through  counsel of its choice
reasonably  satisfactory to such NACT  Indemnified  Party, if it gives notice of
its intention to do so to such NACT  Indemnified  Party within 10 days after the
receipt of such notice from such NACT Indemnified Party and actually assumes and
controls such defense.  The NACT  Indemnified  Party may, at its election and at
its sole cost and expense, participate in any such defense.  Notwithstanding the
foregoing,   if  there  exists  a  conflict  of  interest  that  would  make  it
inappropriate  for the same counsel to represent both the Indemnified  Party, on
the one hand, and the Indemnifying  Party, on the other hand, in connection with
any Indemnifiable  Claim, then the Indemnified Party shall be entitled to retain
its own counsel as is reasonably  satisfactory to the Indemnifying  Party at the
Indemnifying  Party's expense.  In the event that such  Indemnified  Party shall
seek  indemnification  as provided  herein,  such  Indemnified  Party shall make
available to the Indemnifying  Party, at its expense,  all witnesses,  pertinent
records,  materials and  information in the  Indemnified  Party's  possession or
under the Indemnified Party's control relating thereto as is reasonably required
by the Indemnifying Party.

                  (c) Any  determination  required  to be made with  respect  to
whether an NACT Indemnified Party's conduct satisfies the Conduct Standard shall
be made by independent  legal counsel  acceptable to Buyer,  the Company and the
NACT Indemnified Party.

                  (d)  In  the  event  Buyer  or the  Company  or  any of  their
successors or assigns (i) consolidates  with or merges into any other person and
shall  not  be the  continuing  or  surviving  corporation  or  entity  of  such
consolidation  or  merger  or (ii)  transfers  all or  substantially  all of its
properties  and  assets  to any  person,  then  and in each  such  case,  proper
provisions  shall be made so that the successors and assigns of the Buyer or the
Company,  as the case may be,  shall  assume the  obligations  set forth in this
Section 4.3.

         Section 4.4. Conduct of Business Prior to the Closing Date .

                  (a) During the period from the date of this  Agreement  to the
Closing Date, except as otherwise contemplated by this Agreement or consented to
or approved  by Buyer in writing,  Seller and GST shall cause the Company (i) to
conduct its business in the usual,  regular and ordinary course  consistent with
past practice

                                       23

<PAGE>
and  prudent  business  principles  and (ii) to use its  reasonable  efforts  to
maintain and preserve intact its business organization, employees, goodwill with
customers and advantageous business  relationships and to retain the services of
its officers and key employees.

                  (b) Seller and GST agree that on and or after the date  hereof
and prior to the Closing  Date,  without  the  consent of Buyer,  Seller and GST
shall not cause or otherwise suffer or permit the Company to:

                  (i)  incur or become  subject  to, or agree to incur or become
subject to, any obligation or liability  (absolute or contingent) except current
liabilities  incurred,  and  obligations  under  contracts  entered into, in the
ordinary course of business;

                  (ii)  discharge or satisfy any lien or  encumbrance or pay any
obligation or liability  (absolute or contingent) other than liabilities payable
in the ordinary course of business;

                  (iii)  mortgage,  pledge  or  subject  to lien,  charge or any
encumbrance, any of the Company's properties or agree so to do;

                  (iv) sell or transfer or agree to sell or transfer  any of its
assets,  properties  or services or cancel or agree to cancel any debt or claim,
except in each case in the ordinary course of business;

                  (v)  consent or agree to a waiver of any right of  substantial
value;

                  (vi) enter  into any  transaction  other than in the  ordinary
course of its business;

                  (vii) increase the rate of  compensation  payable or to become
payable by it to any  officers,  employees or agents of the Company by more than
5% of the rate being paid to them at October 1, 1997;

                  (viii)  terminate  any contract,  agreement,  license or other
instrument  to which it is a party that  provides for monthly  payments by or to
the Company in excess of $10,000;

                  (ix) through negotiation or otherwise,  make any commitment or
incur  any  liability  or  obligation  to any labor  organization  except in the
ordinary course of business consistent with past practice;

                  (x) make or agree to make any  accrual or  arrangement  for or
payment of bonuses or special compensation of any kind to any officer,  employee
or agent;


                                       24

<PAGE>
                  (xi)  terminate any employee of the Company  earning in excess
of $25,000 per annum or directly or  indirectly  pay or make a commitment to pay
any severance or termination pay to any officer, employee or agent except in the
ordinary course of business consistent with past practice;

                  (xii)  introduce  any new method of  management,  operation or
accounting  with  respect to its  business or any of the assets,  properties  or
rights applicable thereto;

                  (xiii)  offer or extend more  favorable  prices,  discounts or
allowances  than were  offered or  extended  regularly  on and prior to the date
hereof;

                  (xiv) make capital  expenditures  or  commitments  therefor in
excess of $100,000  except for repairs and maintenance in the ordinary course of
business consistent with past practice; or

                  (xv)  authorize  or enter into any  agreement to do any of the
foregoing.

         Section 4.5. Conduct of Buyer's Business Prior to the Closing Date .

                  Buyer agrees that,  between the date of this Agreement and the
Closing Date,  except (a) for any actions  taken by Buyer  relating to any other
acquisitions or business  combinations  or (b) as expressly  contemplated by any
other  provision  of this  Agreement,  unless  Seller shall  otherwise  agree in
writing,  (x) the  respective  business of Buyer and its  subsidiaries  shall be
conducted only in, and shall not take any action except in, the ordinary  course
of business  consistent  with past  practice.  By way of  amplification  and not
limitation,  except (a) for any  actions  taken by Buyer  relating  to any other
acquisitions or business  combinations  or (b) as expressly  contemplated by any
other provision of this  Agreement,  neither Buyer nor its  subsidiaries  shall,
between the date of this Agreement and the Closing Date, directly or indirectly,
do, or agree to do, any of the following  without the prior  written  consent of
Seller, which consent shall not be unreasonably withheld or delayed:

                           (i) declare,  set aside,  make or pay any dividend or
                           other distribution,  payable in cash, stock, property
                           or  otherwise,  with  respect  to any of its  capital
                           stock,  except that any  subsidiary  of Buyer may pay
                           dividends or make other distributions to Buyer or any
                           other subsidiary of Buyer;

                           (ii) reclassify, combine, split, subdivide or redeem,
                           purchase   or   otherwise   acquire,    directly   or
                           indirectly, any of its capital stock;


                                       25

<PAGE>

                           (iii)  sell,   transfer,   license,   sublicense   or
                           otherwise dispose of any material assets; or

                           (iv)  authorize  or enter into any formal or informal
                           agreement or otherwise  make any commitment to do any
                           of the foregoing.

         Section 4.6.  Acquisition of Minority  Interest.  Except as hereinafter
provided,  within  180  days  after  the  Closing  Date,  subject,  however,  to
compliance with the provisions of applicable laws, Buyer shall acquire,  whether
through tender or exchange  offer,  merger or otherwise,  all of the outstanding
Common  Stock not then  owned by it (the  "Minority  Interest")  for a per share
purchase price of not less than $17.50, payable in Buyer Common Stock, cash or a
combination  thereof.  Not  later  than  the  time  Buyer  consummates  any such
transaction,  it shall  obtain (or shall  cause the Company to obtain) a written
opinion from a nationally  recognized investment banking firm as to the fairness
from a  financial  point  of view of the  consideration  to be  received  by the
holders of Common  Stock in such  transaction.  Notwithstanding  the  foregoing,
Buyer may elect not to acquire the Minority  Interest,  in which  event,  during
such 180 day period,  provided  Seller has  exercised the Seller  Option,  Buyer
shall offer in writing to acquire the remaining  shares of Common Stock owned by
Seller for a per share price of not less than  $17.50,  payable in Buyer  Common
Stock,  cash or a  combination  thereof.  Within 15 days  after  receipt of such
offer,  Seller shall advise Buyer in writing  whether or not it accepts  Buyer's
offer, which acceptance will be solely within Seller's discretion.  In the event
that Seller exercises the Seller Option,  the shares of Buyer Common Stock to be
received by Seller upon  acquisition  by Buyer of the Minority  Interest or upon
acceptance  by Seller of Buyer's offer shall be registered in the name of Seller
and/or its designee,  any such designation to be made in writing by Seller,  and
Seller  and/or  such  designee  shall hold and  dispose of such  shares of Buyer
Common Stock on substantially the same terms and conditions as those provided in
the  Registration  Rights Agreement (as hereinafter  defined).  Seller and Buyer
shall execute an agreement containing such terms and conditions at or before the
time of Buyer's acquisition of the Common Stock owned by Seller.

         Section 4.7.  Announcements.  None of the parties to this Agreement nor
any of their respective  Affiliates shall make any public announcements prior to
the Closing Date or any time  thereafter  with respect to this  Agreement or the
transactions  contemplated  hereby  without  the  written  consent  of the other
parties  hereto,  unless advised by counsel that such  disclosure is required by
law (in which event such party shall promptly notify the other parties hereto).


                                       26

<PAGE>
                  Section 4.8.  Exemption from Anti-Takeover  Statutes.  Each of
Seller and GST will use its best  efforts to take,  and to cause the  Company to
take,  all  steps  required  to exempt  the  transactions  contemplated  by this
Agreement  from any  applicable  state  anti-takeover  law,  including,  without
limitation, Section 203 of the General Corporate Law of the State of Delaware.

                  Section  4.9.  Resignations.  Seller  (a)  shall  use its best
efforts to obtain the written  resignation  of all directors and officers of the
Company as Buyer may specify to Seller in writing not less than 10 days prior to
the  Closing  Date,  effective  as of the Closing  Date,  and (b) shall take all
action  necessary  to  cause  the  Board of  Directors  of the  Company,  at and
immediately after the

                                       26

<PAGE>
Closing,  to consist of those directors  specified by Buyer in writing not less
than 10 days prior to Closing.

         Section  4.10.  Compliance  with Rule  14f-1.  Seller  shall  cause the
Company  to  comply on a timely  basis  with Rule  14f-1  promulgated  under the
Exchange  Act.  Buyer shall  cooperate in effecting  such  compliance  and shall
supply the Company with all  information  concerning it and its designees on the
Board of Directors of the Company  required to be presented in  accordance  with
such rule.

         Section 4.11.  Satisfaction  of Conditions.  Each of the parties hereto
shall use its best  efforts to fulfill or obtain the  fulfillment  of all of the
conditions to Closing.

         Section 4.12.  Notice of  Developments.  Buyer, GST and Seller agree to
give each other prompt written notice in the event its own  representations  and
warranties  are discovered to be untrue as of the time made or in the event such
party determines that such  representations and warranties shall be untrue as if
made at and as the Closing Date. No disclosure by Buyer,  GST or Seller pursuant
to this  Section  4.12,  however,  shall be  deemed to or shall  supplement  the
schedules  hereto  or to cure  any  misrepresentation  or  breach  of  warranty;
provided,  however,  that the  delivery  of or  failure  to  deliver  any notice
pursuant to this Section  4.12 shall not limit or otherwise  affect the remedies
available hereunder to the party receiving such notice.

                               ARTICLE V. CLOSING

         Section 5.1.  Closing.  This transaction shall close and all deliveries
to be made at the time of  closing  (the  "Closing")  shall  take place at 10:00
a.m.,  local  time,  on the date that is two  business  days after the date upon
which the last of the conditions set forth in Article VI is satisfied or waived,
or on such  other  date as may be agreed  upon from time to time in  writing  by
Seller and Buyer  (the  "Closing  Date").  The  Closing  shall take place at the
offices of Olshan  Grundman Frome & Rosenzweig  LLP, 505 Park Avenue,  New York,
New York.

         Section 5.2.  Deliveries  by Seller and GST. On or prior to the Closing
Date,  Seller and GST shall deliver to Buyer,  duly and properly  executed,  the
following:

                  (a) A certificate  or  certificates  representing  the Shares,
duly endorsed in blank for transfer or accompanied by separate stock powers duly
executed in blank, with all necessary  documentary stamps evidencing the payment
of all applicable transfer taxes.

                  (b)      Resignation letters in accordance with Section 4.10
hereof.

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<PAGE>
                  (c)  Resolutions  of the Board of  Directors of each of Seller
and GST  authorizing  the  execution  and delivery of this  Agreement by each of
Seller and GST and the  performance of its obligations  hereunder,  certified by
the Secretary of each of Seller and GST.

                  (d) A certificate  of the Secretary of State of Delaware dated
as of a recent date as to the good standing of the Company in such state.

                  (e) A  certificate  of the  Secretary  of State of each  state
listed on Schedule 2.1, dated as of a recent date as to the good standing of the
Company in each such state.

                  (f) A  Certificate  of the  President and Secretary of each of
Seller and GST in accordance with Section 6.1(d).

                  (g) A Registration  Rights Agreement to be entered into by and
between  Buyer  and  Seller,  in the form  attached  hereto  as  Exhibit  A (the
"Registration Rights Agreement").

                  (h) An  Indemnification  Agreement  to be  entered  into among
Buyer,  Seller  and  GST,  in  the  form  attached  hereto  as  Exhibit  B  (the
"Indemnification Agreement").

                  (i)  A  Noncompetition  and  Non-Disclosure  Agreement  to  be
entered into among Buyer, Seller and GST, in the form attached hereto as Exhibit
C (the "Noncompetition Agreement").

                  (j) A Stock  Agreement to be entered into by and between Buyer
and Seller, in the form attached hereto as Exhibit D (the "Stock Agreement").

                  (k) Such other  separate  instruments  or documents that Buyer
may  reasonably  deem  necessary  or  appropriate  in  order to  consummate  the
transactions contemplated by this Agreement including,  without limitation,  all
regulatory and contractual consents of third parties.

         Section  5.3.  Deliveries  by Buyer.  On or prior to the Closing  Date,
Buyer shall deliver to Seller all duly and properly executed, the following:

                  (a) Resolutions of the Board of Directors of Buyer authorizing
the execution and delivery of this Agreement by Buyer and the performance of its
obligations hereunder, certified by the Secretary of Buyer.

                  (b) A certificate  of the Secretary of State of Delaware dated
as of a recent date as to the good standing of Buyer in such state.


                                       28

<PAGE>
                  (c) A  certificate  of the President and Secretary of Buyer in
accordance with Section 6.2(d).

                  (d)      The sum of $59,662,956 in accordance with Section
1.2 hereof.

                  (e) The Payment  Shares,  registered  in the name of Seller or
its designee, any such designation to be made by Seller in writing and delivered
to Buyer not later than two days prior to the Closing Date.

                  (f)      The Registration Rights Agreement.

                  (g)      The Indemnification Agreement.

                  (h)      The Noncompetition Agreement.

                  (i)      The Stock Agreement.

                  (j) Such other  separate  instruments or documents that Seller
may  reasonably  deem  necessary  or  appropriate  in  order to  consummate  the
transactions contemplated by this Agreement.


                 ARTICLE VI. CONDITIONS PRECEDENT TO OBLIGATIONS

         Section  6.1.  Conditions  to  Obligations  of  Buyer.  Each and  every
obligation  of Buyer to be performed on the Closing Date shall be subject to the
satisfaction  as of or  before  the  Closing  Date of the  following  conditions
(unless waived in writing by Buyer):

                  (a)  Representations   and  Warranties.   Seller's  and  GST's
representations  and warranties set forth in Article II of this Agreement  shall
have  been  true and  correct  in all  respects  when made and shall be true and
correct  in all  material  respects  at and as of the  Closing  Date  as if such
representations  and  warranties  were made as of the Closing  Date,  except for
changes  permitted or  contemplated  by this  Agreement and except to the extent
that any  representation  or a warranty is made as of a specified date, in which
case such  representation  or warranty shall be true in all material respects as
of such date.

                  (b)  Performance of Agreement.  All covenants,  conditions and
other  obligations  under this  Agreement  which are to be performed or complied
with by Seller and GST shall have been fully  performed  and complied with on or
prior to the Closing Date,  including,  without limitation,  the delivery of the
fully executed instruments and documents in accordance with Section 5.2 hereof.

                  (c)      No Adverse Proceeding.  There shall be no pending or
threatened claim, action, litigation or proceeding, judicial or

                                       29

<PAGE>
administrative,  or governmental investigation against Buyer, Seller, GST or the
Company,  for the purpose of enjoining or preventing  the  consummation  of this
Agreement,  or otherwise claiming that this Agreement or the consummation hereof
is illegal.

                  (d) Certificate.  Seller and GST shall have delivered to Buyer
a certificate,  dated the Closing Date, executed by Seller's and GST's President
and  Secretary,  to the effect that (i) the  conditions set forth in subsections
(a) and (b) and, to the best  knowledge of such  officers,  (c), of this Section
6.1 have been satisfied and (ii) the Certificate of Incorporation and By-laws of
the  Company  shall have not been  amended  since the date upon which  certified
copies of each had been delivered to Buyer and remain in full force and effect.

                  (e) HSR Act Waiting  Period.  Any  applicable  waiting  period
under the HSR Act shall have expired or been terminated.

                  (f) No Material Adverse Effect.  There shall not have occurred
any event or circumstance resulting or reasonably likely to result in a Material
Adverse Effect.

                  (g) Billing  Arrangements.  The firm of Madson & Metcalf shall
have  acknowledged  in writing  the  billing  arrangements  with  respect to the
representation  of the  Company,  GST and Seller  contemplated  by  Section  7.7
hereof.

         Section 6.2. Conditions to Obligations of Seller and GST .

                  Each and every obligation of Seller and GST to be performed on
the  Closing  Date  shall be  subject  to the  satisfaction  as of or before the
Closing Date of the following  conditions (unless waived in writing by Seller or
GST):

                  (a)  Representations and Warranties.  Buyer's  representations
and warranties  set forth in Article III of this Agreement  shall have been true
and correct in all material  respects when made and shall be true and correct in
all material  respects at and as of the Closing Date as if such  representations
and warranties were made as of the Closing Date, except for changes permitted or
contemplated by this Agreement and except to the extent that any  representation
or a warranty is made as of a specified date, in which case such  representation
or warranty shall be true in all material respects as of such date.

                  (b)  Performance of Agreement.  All covenants,  conditions and
other  obligations  under this  Agreement  which are to be performed or complied
with by Buyer shall have been fully  performed  and complied with on or prior to
the Closing  Date  including,  without  limitation,  the  delivery and the fully
executed instruments and documents in accordance with Section 5.3 hereof.

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<PAGE>
                  (c) No  Adverse  Proceeding.  There  shall  be no  pending  or
threatened claim, action, litigation or proceeding,  judicial or administrative,
or governmental investigation against Buyer, Seller, GST or the Company, for the
purpose of  enjoining or  preventing  the  consummation  of this  Agreement,  or
otherwise claiming that this Agreement or the consummation hereof is illegal.

                  (d) Certificate.  Buyer shall have delivered to Seller and GST
a  certificate,  dated the  Closing  Date,  executed  by Buyer's  President  and
Secretary to the effect that (i) the conditions set forth in subsections (a) and
(b) and, to the best knowledge of such  officers,  (c), of this Section 6.2 have
been satisfied and (ii) the  Certificate of  Incorporation  and By-laws of Buyer
shall have not been amended since the date upon which  certified  copies of each
had been delivered to Seller and GST and remain in full force and effect.

                  (e) HSR Act Waiting  Period.  Any  applicable  waiting  period
under the HSR Act shall have expired or been terminated.

                  (f) No Buyer  Material  Adverse  Effect.  There shall not have
occurred any event or circumstance resulting or reasonably likely to result in a
Buyer Material Adverse Effect.

                  (g) Billing  Arrangements.  The firm of Madson & Metcalf shall
have  acknowledged  in writing  the  billing  arrangements  with  respect to the
representation  of the  Company,  GST and Seller  contemplated  by  Section  7.7
hereof.

                ARTICLE VII. INDEMNIFICATION; AEROTEL LITIGATION

         Section  7.1.  Survival  of  Covenants  and  Agreements.  Each  of  the
covenants  and  agreements  contained  in  this  Agreement  and in  each  of the
documents and instruments referred to herein that is intended by its terms to be
performed in whole or in part  subsequent  to the Closing Date shall survive the
execution and delivery of this Agreement and the Closing.

         Section 7.2.  Survival of  Representations  and  Warranties.  Except as
hereinafter  provided,  none of the  representations  and  warranties  contained
herein shall  survive the Closing and from and after the Closing  Date, no party
hereto or any  Affiliate of such party shall have any liability or obligation in
respect thereof.  Notwithstanding  the foregoing,  (a) the  representations  and
warranties  contained in Sections 2.14 and 3.10 hereof shall survive the Closing
until the  expiration of the periods of limitations  and any extensions  thereof
under applicable federal, state and local laws, rules and regulations applicable
to  assessment   and   collection  of  the  tax  or  taxes  to  which  any  such
representation  or warranty  relates;  (b) the  representations  and  warranties
contained in

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<PAGE>
Sections 2.2, 2.5 and 3.2 hereof shall survive  until the fifth  anniversary  of
the Closing Date.

         Section 7.3. Indemnification.

                  (a) Subject to the  limitations set forth in this Article VII,
GST and Seller jointly and severally  indemnify and hold harmless Buyer from and
against  any and all  losses,  liabilities,  damages,  demands,  claims,  suits,
actions,  judgments  or  causes  of  action,  assessments,  costs  and  expenses
including, without limitation,  interest, penalties, reasonable attorneys' fees,
any  and  all  reasonable  expenses  incurred  in  investigating,  preparing  or
defending  against  any  litigation,  commenced  or  threatened,  or  any  claim
whatsoever,  and  any  and  all  amounts  paid in  settlement  of any  claim  or
litigation (collectively,  "Damages"),  asserted against,  resulting to, imposed
upon, or incurred or suffered by Buyer,  directly or indirectly,  as a result of
or  arising  from  any  inaccuracy  in or  breach  of  the  representations  and
warranties made in Sections 2.2, 2.5 and 2.14 of this Agreement (individually an
"Indemnifiable Claim" and collectively  "Indemnifiable  Claims" when used in the
context of Buyer as the Indemnified Party (as hereinafter defined)).

                  (b) Subject to the  limitations set forth in this Article VII,
Buyer shall  indemnify and hold harmless each of GST and Seller from and against
any and all Damages asserted against, resulting to, imposed upon, or incurred or
suffered  by GST or Seller,  directly or  indirectly,  as a result of or arising
from any  inaccuracy in or breach of any of the  representations  and warranties
made by  Buyer  in  Sections  3.2 and 3.10 of this  Agreement  (individually  an
"Indemnifiable Claim" and collectively  "Indemnifiable  Claims" when used in the
context of GST or Seller as the Indemnified Party).

                  (c) For purposes of this  Article  VII,  all Damages  shall be
computed net of any insurance  coverage (from the amount of which coverage there
shall be deducted all costs and  expenses,  including  attorneys'  fees,  of the
Indemnified  Party not reimbursed by such  coverage)  with respect  thereto that
reduces the Damages that would otherwise be sustained;  provided,  however, that
in all cases,  the timing of the receipt or  realization  of insurance  proceeds
shall be taken into account in determining the amount of reduction of Damages.

         Section 7.4. Limitations on Indemnification.  Rights to indemnification
hereunder are subject to the following limitations:

                  (a) The  obligation  of  indemnity  in respect of (i) Sections
2.14 and 3.10  hereof  shall  terminate  on the  expiration  of the  periods  of
limitations  and any  extensions  thereof under  federal,  state and local laws,
rules and  regulations  applicable  to assessment  and  collection of the tax or
taxes with respect to which

                                       32

<PAGE>
indemnification  is sought;  and (ii)  Sections  2.2,  2.5 and 3.2 hereof  shall
terminate on the fifth anniversary of the Closing Date.

                  (b)  If,  prior  to  the  termination  of  any  obligation  to
indemnify as provided for herein, written notice of a claimed breach is given by
the party seeking  indemnification  including in detail the basis  therefor (the
"Indemnified  Party")  to the party  from whom  indemnification  is sought  (the
"Indemnifying  Party")  or a suit or  action  based  upon a  claimed  breach  is
commenced  against the Indemnified  Party,  the  Indemnified  Party shall not be
precluded  from  pursuing  such  claimed  breach  or  suit  or  action,  or from
recovering from the Indemnifying Party (whether through the courts or otherwise)
on the claim,  suit or action, by reason of the termination  otherwise  provided
for above.

                  (c) The right of any party  hereto  to  commence  or assert an
action,  suit,  claim or  proceeding  for  Damages in respect of the breach of a
representation  or warranty  contained  herein shall  terminate at the same time
that the  obligation  of  indemnification  provided  herein with respect to such
breach shall terminate.

         Section 7.5. Procedure for Indemnification  with Respect to Third-Party
Claims .

         The Indemnified Party shall give the Indemnifying  Party prompt written
notice of any third party claim, demand, assessment, suit or proceeding to which
the  indemnification  set  forth in  Section  7.3  applies,  which  notice to be
effective  must describe such claim in reasonable  detail (the  "Indemnification
Notice").  Notwithstanding  the foregoing,  the Indemnified Party shall not have
any obligation to give any notice of any assertion of liability by a third party
unless such assertion is in writing,  and the rights of the Indemnified Party to
be  indemnified  hereunder  in respect  of any third  party  claim  shall not be
adversely  affected  by its failure to give  notice  pursuant  to the  foregoing
unless and, if so, only to the extent that, the Indemnifying Party is materially
prejudiced  thereby.  The Indemnifying Party shall have the right to control the
defense or settlement  of any such action  subject to the  provisions  set forth
below,  but the  Indemnified  Party may,  at its  election,  participate  in the
defense  of  any   action  or   proceeding   at  its  sole  cost  and   expense.
Notwithstanding the foregoing, if there exists a conflict of interest that would
make it  inappropriate  for the same counsel to represent  both the  Indemnified
Party,  on the one hand,  and the  Indemnifying  Party,  on the other  hand,  in
connection with any  Indemnifiable  Claim,  then the Indemnified  Party shall be
entitled  to  retain  its  own  counsel  as is  reasonably  satisfactory  to the
Indemnifying Party at the Indemnifying  Party's expense.  In the event that such
Indemnified  Party  shall  seek   indemnification   as  provided  herein,   such
Indemnified  Party  shall  make  available  to the  Indemnifying  Party,  at its
expense, all witnesses, pertinent records, materials and information in the

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<PAGE>
Indemnified Party's possession or under the Indemnified Party's control relating
thereto  as is  reasonably  required  by  the  Indemnifying  Party.  Should  the
Indemnifying  Party  fail to defend any such  Indemnifiable  Claim  (except  for
failure resulting from the Indemnified  Party's failure to timely give notice of
such  Indemnifiable   claim),  then,  in  addition  to  any  other  remedy,  the
Indemnified Party may settle or defend such action or proceeding through counsel
of its own choosing and may recover  from the  Indemnifying  Party the amount of
such  settlement,  demand,  or any  judgment  or decree and all of its costs and
expenses,  including  reasonable fees and  disbursements  of counsel.  Except as
permitted in the preceding sentence,  the Indemnifying Party shall not be liable
for any settlement effected without its written consent, which consent shall not
be unreasonably  withheld;  provided,  however, if such approval is unreasonably
withheld, the liability of the Indemnifying Party shall be limited to the amount
of the  proposed  compromise  or  settlement  and the amount of the  Indemnified
Party's  reasonable  counsel fees incurred in defending such claim, as permitted
by the preceding  sentence,  at the time such consent is unreasonably  withheld.
Notwithstanding  the preceding  sentence,  the right of the Indemnified Party to
compromise  or  settle  any  claim  without  the prior  written  consent  of the
Indemnifying  Party  shall  only  be  available  if a  complete  release  of the
Indemnifying  Party is  contemplated  to be part of the proposed  compromise  or
settlement of such third party claim.

         Section   7.6.   Procedure   For   Indemnification   with   Respect  to
Non-Third-Party  Claims.  In the event that the  Indemnified  Party  asserts the
existence of an  Indemnifiable  Claim (but excluding  claims  resulting from the
assertion of liability by third parties), it shall give prompt written notice to
the  Indemnifying  Party  specifying the nature and amount of the claim asserted
(the "Non- Third  Party  Claim  Indemnification  Notice").  If the  Indemnifying
Party,  within  30  days  (or  such  greater  time as may be  necessary  for the
Indemnifying  Party to  investigate  such  Indemnifiable  Claim not to exceed 60
days), after receiving the Non-Third Party Claim Indemnification Notice from the
Indemnified  Party,  shall  not give  written  notice to the  Indemnified  Party
announcing  its intent to contest such assertion of the  Indemnified  Party (the
"Contest Notice"), such assertion shall be deemed accepted and the amount of the
claim shall be deemed a valid  Indemnifiable  Claim.  During the time period set
forth in the preceding  sentence,  the  Indemnified  Party shall cooperate fully
with the  Indemnifying  Party in respect  of such  Indemnifiable  Claim.  In the
event, however, that the Indemnifying Party contests the assertion of a claim by
giving a Contest Notice to the Indemnified Party within such period, then if the
parties  hereto,  acting in good faith,  cannot reach  agreement with respect to
such claim within 60 days after such notice was first given to the  Indemnifying
Party, such parties may seek any remedy available to them at law or in equity.


                                       34

<PAGE>
         Section 7.7. Aerotel  Litigation.  GST, Seller,  the Company and others
are  parties to the action  identified  as item 1 in  Schedule  2.11 hereto (the
"Aerotel  Litigation").  Notwithstanding  anything  herein to the contrary,  the
following  provisions shall be applicable with respect to the Aerotel Litigation
from and after the Closing Date:

                  (a) The firm of Madson & Metcalf ("M&M"), currently counsel to
NACT, shall also become counsel to GST and Seller in the Aerotel Litigation.  So
long as the Aerotel Litigation is pending,  each of the Company,  GST and Seller
shall  waive  any  and  all  conflicts  that  may  arise  in the  course  of the
representation  of each,  so that each may  continue  to be  represented  by M&M
therein. In connection with the Aerotel Litigation,  each of (i) the Company and
(ii) GST and Seller (jointly and severally)  shall be responsible for 50% of all
of the reasonable  attorneys' fees and expenses of M&M in its  representation of
the Company, and M&M shall bill the Company (on the one hand) and GST and Seller
(on the other hand) for such fees and expenses in accordance therewith.

                  (b) The aggregate  Aerotel  Damages (as  hereinafter  defined)
shall be borne by the parties hereto in the following proportions: the Company -
50%; and GST and Seller jointly and severally - 50%. Notwithstanding anything to
the contrary,  the Company shall not be responsible  for any fees or expenses of
any counsel to either GST or Seller in connection with the Aerotel Litigation.

                  (c) For the purposes hereof,  "Aerotel Damages" shall mean the
following required to be paid by the Company relating to the Aerotel Litigation:
(i) reasonable  attorneys' fees (including those incurred in the  representation
of Thomas E. Sawyer and Kyle B. Love by separate  counsel) incurred in defending
any claim or  prosecuting  any defense or  counterclaim  asserted in the Aerotel
Litigation, including any and all appeals; (ii) in respect of all periods ending
on or before  the  Determination  Date (as  hereinafter  defined),  all  losses,
liabilities,  damages,  demands,  claims, suits, actions,  judgments,  causes of
action, assessments, costs and expenses, including without limitation, interest,
penalties,  royalties, license fees, any and all reasonable expenses incurred in
investigating, preparing or defending the Aerotel Litigation and amounts paid in
settlement  thereof;  and (iii) in respect of the Post Determination Date Period
(as hereinafter defined), (A) all royalties or license fees that are required to
be paid pursuant to a license or royalty  agreement entered into on a good faith
basis  subsequent to the  Determination  Date by the Company on behalf of itself
and on behalf of  purchasers  of its  products  (to the extent not  directly  or
indirectly passed on to such purchasers) for the use of intellectual property at
issue  in the  Aerotel  Litigation;  (B)  refunds  required  to be  made to such
purchasers  pursuant to written  agreements  with such purchasers as a result of
the Aerotel Litigation; and (C) costs of replacement or modification of

                                       35

<PAGE>
products sold to such  purchasers  required to be made as a direct result of the
Aerotel Litigation;  provided,  that in no event shall the proportion of Aerotel
Damages in respect to the Post  Determination Date Period to be borne by GST and
Seller jointly exceed $2,000,000 in aggregate amount.  Anything in the foregoing
to the  contrary  notwithstanding,  Aerotel  Damages  shall not  include (i) the
Company's  internal costs,  including without  limitation those of the Company's
personnel in assisting  counsel and in preparing  for  pre-trial  discovery  and
trial and in post-trial matters,  and the Company's direct expenses in assisting
counsel,  including without  limitation,  photocopying,  telecommunications  and
transportation  costs; (ii) the fees of more than two law firms representing the
Company, and in such connection, the parties hereto agree that the two law firms
representing  the Company shall be M&M and the law firm  substituted  for Olshan
Grundman Frome & Rosenzweig LLP, as New York counsel in the Aerotel  Litigation;
(iii)  the fees of any law firm that may  hereafter  represent  Buyer;  (iv) any
claim or theory of damages based upon diminution or alleged  diminution in value
of the Company as an enterprise as a result of any adjudication or settlement of
the Aerotel Litigation;  or (v) losses,  liabilities,  damages, demands, claims,
suits, actions, judgments,  causes of action,  assessments,  costs and expenses,
including without limitation,  interest, penalties,  attorneys' fees, or any and
all expenses required to be paid by the Company in respect of periods commencing
subsequent  to the Post  Determination  Date Period.  For the  purposes  hereof,
"Determination  Date"  shall mean the date on which a judgment  is issued by the
District  Court  in  the  Aerotel   Litigation,   which  judgment   includes  an
adjudication  that  Aerotel's  patent is valid  and that it has been  infringed.
Within 15 days after the  Determination  Date,  GST shall give written notice to
Buyer  whether  GST  desires  that an appeal be taken from the  judgment  of the
District  Court.  Within 15 days after such  notice is given,  Buyer  shall give
written  notice  of its  determination  whether  to take such  appeal.  If Buyer
determines not to take such appeal,  or if Buyer  determines to take such appeal
and GST has notified  Buyer that it desires that such appeal not be taken,  then
the Post  Determination  Date  Period  shall  be the  period  commencing  on the
Determination  Date  and  ending  on the day  preceding  the  first  anniversary
thereof. If Buyer determines to take such appeal and GST has notified Buyer that
it desires that such appeal be taken,  then the Post  Determination  Date Period
shall be the period commencing on the  Determination  Date and ending on the day
preceding the second anniversary thereof.

                  (d)  Within 30 days  after the end of each  calendar  quarter,
commencing  with the calendar  quarter in which the Closing  Date occurs,  Buyer
shall give to Seller and Seller shall give to Buyer written notice (the "Aerotel
Damages  Notice")  of the  amount of  Aerotel  Damages  paid by it  during  such
calendar  quarter,  providing  reasonable  detail of such  Aerotel  Damages  and
accompanying such Aerotel Damages Notice with supporting  invoices and vouchers.
If, within 30 days after receiving an Aerotel

                                       36

<PAGE>
Damages  Notice,  the recipient shall not give written notice to the other party
announcing  its intent to contest  such  Aerotel  Damages  Notice (the  "Aerotel
Contest Notice"),  such Aerotel Damages Notice shall be deemed accepted. In such
event,  the parties shall make  appropriate  payments to one another so that the
Aerotel Damages for such calendar quarter shall be borne by them in the relative
proportions set forth in Section 7.7(b). During the time period set forth in the
preceding sentence, the parties shall cooperate fully in respect of such Aerotel
Damages Notice. In the event, however, that a party contests the Aerotel Damages
Notice by giving an  Aerotel  Contest  Notice  to the other  party  within  such
period,  then if the parties,  acting in good faith, cannot reach agreement with
respect to such  contest  within 60 days after the  Aerotel  Contest  Notice was
first given, the provisions of Section 7.7(g) shall be applicable.

                  (e) In the event  that GST and  Seller  cease to be parties in
the  Aerotel  Litigation  and the  Company  remains  a  defendant,  including  a
defendant-appellant  therein,  Buyer  shall  cause the Company to keep GST fully
informed at all times as to the status of the Aerotel Litigation. It shall cause
the Company to provide GST with a copy of all material  documents proposed to be
filed  therein  not less than five days  prior to such  proposed  filing and the
Company will give due  consideration to any comment of GST with respect thereto.
If for any reason  (other than  settlement  as  contemplated  below) the Company
fails or refuses to maintain the defense of the Aerotel  Litigation or to pursue
the immediate appeal of any adverse ruling therein,  GST shall have the right in
the name of the Company to assume such defense or to perfect such appeal in such
manner as it deems appropriate.

                  (f) After the  Closing,  Buyer  shall not and shall  cause the
Company not to,  settle or  compromise  the Aerotel  Litigation on behalf of the
Company,  without  the  express  written  consent of each of the parties to this
Agreement, which consent shall not be unreasonably withheld or delayed. Prior to
the  Closing,  GST shall not,  and shall  cause the  Company  not to,  settle or
compromise the Aerotel Litigation on behalf of the Company,  without the express
written  consent of each of the parties to this  Agreement,  which consent shall
not be unreasonably withheld or delayed.

                  (g) Any  dispute  arising  out of this  Section  7.7  shall be
submitted  to and  settled by  arbitration  in  accordance  with the  commercial
arbitration rules of the American  Arbitration  Association then in effect. Such
arbitration  shall  be  held  in  Washington,  D.C.  before  a  panel  of  three
arbitrators,  one  selected  by each of the  parties  and the third  selected by
mutual  agreement  of the first two,  and all of whom shall be  independent  and
impartial under the rules of the American Arbitration Association.  The decision
of the arbitrators  shall be final and binding as to any matter  submitted under
this  Agreement.  To the extent the decision of the  arbitrators is that a party
shall be indemnified

                                       37

<PAGE>
hereunder,  the amount shall be satisfied as herein provided.  Judgment upon any
award  rendered  by the  arbitrators  may be entered  in any court of  competent
jurisdiction.

         Section 7.8.  Payment.  In the event that any party is required to make
any payment  under this  Article  VII,  such party shall  promptly pay the other
party the amount so determined. If there should be a dispute as to the amount or
manner of determination of any indemnity obligation owed under this Article VII,
the paying party shall  nevertheless  pay when due such portion,  if any, of the
obligation as shall not be subject to dispute.  The difference,  if any, between
the amount of the  obligation  ultimately  determined as properly  payable under
this Article VII and the portion,  if any,  theretofore paid shall bear interest
as provided below. If all or part of any  indemnification  obligation under this
Agreement is not paid when due,  then the paying party shall pay the other party
interest on the unpaid amount of the  obligation  for each day from the date the
amount became due until payment in full,  payable on demand,  at the fluctuating
rate per  annum  which at all  times  shall be equal to (i) the  lowest  rate of
interest generally charged from time to time by Morgan Guaranty Trust Company of
New York and publicly  announced by such bank as its so-called "prime rate" plus
(ii) five percent (5%).

                            ARTICLE VIII. TERMINATION

         Section 8.1. Termination by Buyer. This Agreement may be terminated and
cancelled at any time prior to the Closing Date by Buyer upon written  notice to
Seller and GST if: (i) any of the  representations  or  warranties of Seller and
GST contained  herein shall prove to be inaccurate or untrue in any respect;  or
(ii) any  obligation,  term or  condition to be  performed,  kept or observed by
Seller  and GST  hereunder  has not  been  performed,  kept or  observed  in any
material respect at or prior to the time specified in this Agreement.

         Section  8.2.  Termination  by Seller and GST.  This  Agreement  may be
terminated and cancelled at any time prior to the Closing Date by Seller and GST
upon written notice to Buyer if: (i) any of the representations or warranties of
Buyer  contained  herein shall prove to be  inaccurate or untrue in any material
respect;  or (ii) any  obligation,  term or condition to be  performed,  kept or
observed  by Buyer  hereunder  has not been  performed,  kept or observed in any
material respect at or prior to the time specified in this Agreement.

         Section 8.3.  Termination by Any Party. Any party hereto shall have the
right to terminate  and cancel this  Agreement if (i) the Closing Date shall not
have  occurred  on or before  March 15,  1998;  provided  that such  failure  of
occurrence  shall not have  resulted  from the delay,  default or breach of such
party; or (ii) a court of competent jurisdiction shall have issued an order,

                                       38

<PAGE>
decree or ruling permanently restraining, enjoining or otherwise prohibiting the
transactions  contemplated by this Agreement,  and such order, decree, ruling or
other action shall have become final and nonappealable.

         Section 8.4.  Termination  by Mutual  Consent.  This  Agreement  may be
terminated and cancelled at any time prior to the Closing Date by mutual written
consent of Buyer, Seller and GST.

         Section 8.5. Effect of Termination. In the event of termination of this
Agreement by any party hereto as provided in this  Article VII,  this  Agreement
shall forthwith become void and there shall be no further obligation on the part
of any party or their respective  officers or directors  (except as set forth in
this  Section  8.5  and  in  Sections  4.1  and  4.7  which  shall  survive  the
termination). Nothing in this Section 8.5 shall relieve any party from liability
for any breach or failure of observance of the provisions of this Agreement.

         Section 8.6. Specific Performance.  The parties hereto agree that money
damages or other remedy at law would not be a sufficient or adequate  remedy for
any breach or violation of, or a default under,  this Agreement by them and that
in  addition  to all other  remedies  available  to them,  each of them shall be
entitled to the fullest  extent  permitted by law to an  injunction  restraining
such breach,  violation or default,  threatened breach, violation or default and
to  any  other  equitable  relief,  including,   without  limitation,   specific
performance.


                      ARTICLE IX. MISCELLANEOUS PROVISIONS

         Section  9.1.  Notices.  Except as  otherwise  provided  in Section 1.3
hereof,  all notices and other  communications  required or permitted under this
Agreement  shall be deemed to have been duly given and made when  received if in
writing and if served either by personal delivery to the party for whom intended
(which  shall  include  delivery  by  Federal  Express  or  similar   nationally
recognized  service)  or five  business  days  after  being  deposited,  postage
prepaid,  certified or registered mail, return receipt requested,  in the United
States  mail  bearing  the address  shown in this  Agreement  for, or such other
address as may be designated in writing hereafter by, such party:

         If to Seller:     GST Telecommunications, Inc.
                           4001 Main Street
                           Vancouver, Washington 98663
                           Attention:  Chief Executive Officer

         with a copy to:   Olshan Grundman Frome & Rosenzweig LLP
                           505 Park Avenue
                           New York, New York 10022
                           Attention: Stephen Irwin, Esq.

                                       39

<PAGE>
         If to Buyer:      World Access, Inc.
                           945 E. Paces Ferry Road, Suite 2240
                           Atlanta, Georgia 30326
                           Attention: Chief Executive Officer

         with a copy to:   Rogers & Hardin LLP
                           2700 International Tower, Peachtree Center
                           229 Peachtree Street, N.E.
                           Atlanta, Georgia 30303
                           Attention: Steven E. Fox, Esq.

         Section  9.2.  Entire  Agreement.  This  Agreement  and  the  documents
referred to herein embody the entire agreement and  understanding of the parties
hereto with respect to the subject  matter  hereof,  and supersede all prior and
contemporaneous agreements and understandings, oral or written, relative to said
subject matter.

         Section 9.3. Binding Effect; Assignment. This Agreement and the various
rights and  obligations  arising  hereunder shall inure to the benefit of and be
binding upon Buyer, Seller and GST and their respective successors and permitted
assigns.  Neither this Agreement nor any of the rights, interests or obligations
hereunder shall be transferred or assigned (by operation of law or otherwise) by
either of the  parties  hereto  without the prior  written  consent of the other
party  except  that Buyer  shall have the right to assign its rights but not its
obligations  hereunder to any Affiliate  thereof.  Any transfer or assignment of
any of the rights,  interests or obligations hereunder in violation of the terms
hereof shall be void and of no force or effect.

         Section  9.4.  Captions.  The  Article  and  Section  headings  of this
Agreement are inserted for  convenience  only and shall not constitute a part of
this Agreement in construing or interpreting any provision hereof.

         Section  9.5.  Expenses  of  Transaction.  Seller and GST shall pay all
costs and expenses  incurred  thereby in connection  with this Agreement and the
transactions  contemplated  hereby.  Buyer  shall  pay all  costs  and  expenses
incurred  by  it  in  connection  with  this  Agreement  and  the   transactions
contemplated hereby.

         Section  9.6.  Waiver;  Consent.  This  Agreement  may not be  changed,
amended,  terminated,   augmented,   rescinded  or  discharged  (other  than  by
performance),  in whole or in part,  except by a writing executed by each of the
parties  hereto,  and no waiver of any of the  provisions  or conditions of this
Agreement  or any of the rights of a party  hereto shall be effective or binding
unless such waiver  shall be in writing and signed by the party  claimed to have
given or consented thereto. Except to the extent that a party

                                       40

<PAGE>
hereto may have otherwise  agreed to in writing,  no waiver by that party of any
condition  of  this  Agreement  or  breach  by  the  other  party  of any of its
obligations,  representations  or warranties  hereunder  shall be deemed to be a
waiver of any other  condition or  subsequent or prior breach of the same or any
other  obligation or  representation  or warranty by such other party, nor shall
any  forbearance  by the first party to seek a remedy for any  noncompliance  or
breach by such  other  party be deemed to be a waiver by the first  party of its
rights and remedies with respect to such noncompliance or breach.

         Section 9.7. No Third Party Beneficiaries. Subject to the provisions of
Section 9.3 hereof,  nothing herein,  expressed or implied, is intended or shall
be construed to confer upon or give to any person,  firm,  corporation  or legal
entity,  other than the parties hereto,  any rights,  remedies or other benefits
under or by  reason  of the  provisions  of this  Agreement,  including  without
limitation, those of Section 7.7 hereof.

         Section 9.8.  Counterparts.  This Agreement may be executed in multiple
counterparts,  each of which shall be deemed an original, but all of which taken
together shall constitute one and the same instrument.

         Section 9.9. Gender.  Whenever the context requires,  words used in the
singular  shall be construed  to mean or include the plural and vice versa,  and
pronouns of any gender shall be deemed to include and designate  the  masculine,
feminine or neuter gender.

         Section 9.10.  Governing Law. This  Agreement  shall in all respects be
construed in accordance  with and governed by the laws of the State of Delaware,
without regard to the principles of conflicts of laws thereof.

         Section  9.11.  Knowledge.   As  used  in  this  Agreement,   the  term
"knowledge",  when used  herein  with  respect to Seller or Buyer shall mean the
knowledge of each of the executive  officers of Seller or Buyer, as the case may
be.

         Section 9.12. Incorporation of Exhibits and Schedules. The Exhibits and
Schedules  identified in this Agreement are incorporated herein by reference and
made a part hereof.

                                       41

<PAGE>
         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed on the day and year first above written.

                                     BUYER:

                                     WORLD ACCESS, INC.


                                     By:
                                        ------------------------------------
                                        Name:
                                       Title:


                                     SELLER:

                                     GST USA, INC.


                                     By:
                                        -------------------------------------
                                        Name:
                                        Title:


                                     GST TELECOMMUNICATIONS, INC.


                                     By:
                                        ------------------------------------
                                        Name:
                                        Title:



                                       42

<PAGE>
                                TABLE OF CONTENTS

                                                                            Page


ARTICLE I. PURCHASE AND SALE OF SHARES................................  1
         Section 1.1.  Purchase and Sale of Shares....................  1
         Section 1.2.  Purchase Price.................................  1
         Section 1.3.  Option of Seller...............................  2

ARTICLE II.  REPRESENTATIONS AND WARRANTIES OF SELLER AND
         GST..........................................................  3
         Section 2.1.  Corporate Existence............................  3
         Section 2.2.  Authorization; Validity........................  3
         Section 2.3.  No Breach of Statute or Contract...............  4
         Section 2.4.  Subsidiaries...................................  4
         Section 2.5.  Ownership of Shares............................  4
         Section 2.6.  Capitalization; Shares.........................  4
         Section 2.7.  SEC Reports and Financial Statements...........  5
         Section 2.8.  Absence of Undisclosed Liabilities.............  5
         Section 2.9.  Absence of Certain Changes or Events...........  5
         Section 2.10. Proprietary Rights.............................  7
         Section 2.11. Litigation.....................................  8
         Section 2.12. Contracts and Commitments......................  8
         Section 2.13. Compliance with Laws; Environmental
                       Matters........................................  9
         Section 2.14. Taxes.......................................... 10
         Section 2.15. Employees...................................... 10
         Section 2.16. Company Employee Benefit Plans................. 10
         Section 2.17. Brokers........................................ 14
         Section 2.18. Closing Date Effect............................ 15

ARTICLE III. REPRESENTATIONS AND WARRANTIES OF BUYER.................. 15
         Section 3.1.  Corporate Existence............................ 15
         Section 3.2.  Authorization; Validity........................ 15
         Section 3.3.  No Breach of Statute or Contract............... 16
         Section 3.4.  Capitalization; Buyer Common Stock............. 16
         Section 3.5.  SEC Reports and Financial Statements........... 17
         Section 3.6.  Absence of Undisclosed Liabilities............. 17
         Section 3.7.  Absence of Certain Changes or Events........... 17
         Section 3.8.  Litigation..................................... 19
         Section 3.9.  Compliance with Laws; Environmental
                       Matters........................................ 19
         Section 3.10. Taxes.......................................... 20
         Section 3.11. Brokers........................................ 20
         Section 3.12. Closing Date Effect............................ 20

ARTICLE IV.  COVENANTS................................................ 20
         Section 4.1.  Access to Information.......................... 21
         Section 4.2.  Agreement to Cooperate......................... 21
         Section 4.3.  Directors' and Officers'
                       Indemnification................................ 22

6                                                    i

<PAGE>


                           TABLE OF CONTENTS (cont'd)

                                                                      Page

         Section 4.4.  Conduct of Business Prior to the
                       Closing Date................................... 23
         Section 4.5.  Conduct of Buyer's Business Prior to
                       the Closing Date............................... 25
         Section 4.6.  Acquisition of Minority Interest............... 26
         Section 4.7.  Announcements.................................. 26
         Section 4.8.  Exemption from Anti-Takeover
                       Statutes....................................... 26
         Section 4.9.  Resignations................................... 26
         Section 4.10. Compliance with Rule 14f-1..................... 27
         Section 4.11. Satisfaction of Conditions..................... 27
         Section 4.12. Notice of Developments......................... 27

ARTICLE V.  CLOSING................................................... 27
         Section 5.1.  Closing........................................ 27
         Section 5.2.  Deliveries by Seller and GST................... 27
         Section 5.3.  Deliveries by Buyer............................ 28

ARTICLE VI.  CONDITIONS PRECEDENT TO OBLIGATIONS...................... 29
         Section 6.1.  Conditions to Obligations of Buyer............. 29
         Section 6.2.  Conditions to Obligations of Seller
                       and GST........................................ 30

ARTICLE VII.  INDEMNIFICATION; AEROTEL LITIGATION..................... 31
         Section 7.1.  Survival of Covenants and Agreements........... 31
         Section 7.2.  Survival of Representations and
                       Warranties..................................... 31
         Section 7.3.  Indemnification................................ 32
         Section 7.4.  Limitations on Indemnification................. 32
         Section 7.5.  Procedure for Indemnification with
                       Respect to Third-Party Claims.................. 33
         Section 7.6.  Procedure For Indemnification with
                       Respect to Non-Third-Party Claims.............. 34
         Section 7.7.  Aerotel Litigation............................. 35
         Section 7.8.  Payment........................................ 38

ARTICLE VIII.  TERMINATION............................................ 38
         Section 8.1.  Termination by Buyer........................... 38
         Section 8.2.  Termination by Seller and GST.................. 38
         Section 8.3.  Termination by Any Party....................... 38
         Section 8.4.  Termination by Mutual Consent.................. 39
         Section 8.5.  Effect of Termination.......................... 39
         Section 8.6.  Specific Performance........................... 39

ARTICLE IX.  MISCELLANEOUS PROVISIONS................................. 39
         Section 9.1.  Notices........................................ 39
         Section 9.2.  Entire Agreement............................... 40
         Section 9.3.  Binding Effect; Assignment..................... 40

                                                    ii

<PAGE>



         Section 9.4.  Captions....................................... 40
         Section 9.5.  Expenses of Transaction........................ 40
         Section 9.6.  Waiver; Consent................................ 40
         Section 9.7.  No Third Party Beneficiaries................... 41
         Section 9.8.  Counterparts................................... 41
         Section 9.9.  Gender......................................... 41
         Section 9.10. Governing Law.................................. 41
         Section 9.11. Knowledge...................................... 41
         Section 9.12. Incorporation of Exhibits and
                       Schedules...................................... 41


                                       iii

<PAGE>

                              INDEX OF DEFINITIONS


Term                                                         Section

Aerotel Contest Notice........................................7.7(d)
Aerotel Damages...............................................7.7(c)
Affiliate.......................................................2.17
Antitrust Division............................................4.4(b)
Business....................................................Recitals
Buyer.........................................Introductory Paragraph
Buyer Common Stock............................................1.2(b)
Buyer Material Adverse Effect....................................3.1
Buyer Representatives.........................................4.3(a)
Buyer SEC Reports................................................3.5
Closing..........................................................5.1
Closing Date.....................................................5.1
Code.........................................................2.16(b)
Common Stock................................................Recitals
Company.................................................... Recitals
Company Benefit Plan.........................................2.16(a)
Company ERISA Affiliate......................................2.16(b)
Company Intellectual Property Rights............................2.10
Company SEC Reports..............................................2.7
Contest Notice...................................................7.6
Contracts.......................................................2.12
Damages..........................................................7.3
Determination Date............................................7.7(c)
Environmental Laws..............................................2.13
ERISA........................................................2.16(a)
Exchange Act.....................................................2.7
Fair Market Value.............................................1.2(b)
FTC...........................................................4.4(b)
401 Plan.....................................................2.16(f)
Governmental Authority..........................................2.11
GST...........................................Introductory Paragraph
Hazardous Substance.............................................2.13
HSR Act..........................................................2.2
Indemnifiable Claims..................................7.3(a) and (b)
Indemnification Agreement.....................................5.2(h)
Indemnification Notice...........................................7.5
Indemnified Party.............................................7.4(b)
Indemnifying Party............................................7.4(b)
Intellectual Property Rights....................................2.10
M&M...........................................................7.7(a)
Material Adverse Effect..........................................2.1
Minority Interest................................................4.6
NACT Claim....................................................4.3(a)
NACT Indemnified Parties......................................4.5(a)
Non-Competition Agreement.....................................5.2(i)
Non-Disclosure Agreement.........................................4.3
Non-Third Party Claim

                                       iv

<PAGE>



     Indemnification Notice.................................7.6
Payment Shares..............................................3.4
Post Determination Date Period...........................7.7(c)
Proceedings................................................2.11
Purchase Price..............................................1.2
Registration Rights Agreement............................5.2(g)
SEC.........................................................2.7
Securities Act..............................................2.7
Seller...................................Introductory Paragraph
Seller Option...............................................1.3
Seller Representatives......................................4.3
Shares.................................................Recitals
Third Party Intellectual Property Rights...................2.10

                                        v

<PAGE>
                          INDEX TO EXHIBITS AND ANNEXES



EXHIBIT

A..................................Registration Rights Agreement
B......................................Indemnification Agreement
C....................Noncompetition and Non-Disclosure Agreement
D................................................Stock Agreement


                                       vi

<PAGE>

                               INDEX TO SCHEDULES



Seller

2.1..................................List of Jurisdictions in Which the Company
                                                    is Qualified to Do Business
2.3...........................................Effects under Statute or Contract
2.6...............................Agreements, Etc. with Respect to Common Stock
2.9........................................Absence of Certain Changes or Events
2.10...............................................Intellectual Property Rights
2.11.................................................................Litigation
2.12..................................................Contracts and Commitments
2.13.................................Compliance with Laws; Hazardous Substances
2.14......................................................................Taxes
2.16..............................................................Benefit Plans
2.17....................................................................Brokers

Buyer

3.1..............................................List of Jurisdictions in Which
                                              Buyer is Qualified to Do Business
3.4............................................Agreements, Etc. with Respect to
                                                             Buyer Common Stock
3.7........................................Absence of Certain Changes or Events
3.8..................................................................Litigation
3.9..................................Compliance with Laws; Hazardous Substances
3.10......................................................................Taxes
3.11....................................................................Brokers

                                       vii



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