ADC TELECOMMUNICATIONS INC
8-K, 2000-02-28
TELEPHONE & TELEGRAPH APPARATUS
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<PAGE>

                       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): February 22, 2000




                          ADC TELECOMMUNICATIONS, INC.
             (Exact name of registrant as specified in its charter)


          Minnesota                        0-1424                  41-0743912
(State or other jurisdiction     (Commission file number)       (IRS employer
   of incorporation)                                         identification No.)





               12501 Whitewater Drive, Minnetonka, Minnesota 55343
                    (Address of principal executive offices)


       Registrant's telephone number, including area code: (612) 938-8080


                                 Not Applicable
          (Former name or former address, if changed since last report)


                                Page 1 of 4 Pages

                         Exhibit Index Appears on Page 4

<PAGE>

Item 5.  OTHER EVENTS.

         On February 23, 2000, ADC Telecommunications, Inc., a Minnesota
corporation ("ADC"), and PairGain Technologies, Inc., a Delaware corporation
("PairGain"), announced the signing of a definitive agreement and plan of
merger (the "Merger Agreement"), as a result of which PairGain will become a
wholly owned subsidiary of ADC (the "Merger"). Through the Merger, which is
structured as a tax-free reorganization for U.S. federal income tax purposes,
ADC will issue 0.43 of a share of its common stock for each share of common
stock of PairGain. The Merger is intended to be accounted for as a "pooling
of interests," and is subject to certain conditions, including PairGain
stockholder approval and receipt of required regulatory approvals.

         In connection with and as a condition of the Merger Agreement,
PairGain has also granted ADC an option to purchase up to 19.9% of PairGain's
common stock exercisable in certain circumstances, including certain events
causing termination of the Merger Agreement (the "Option Agreement").
Additionally, ADC entered into voting agreements (each, a "Voting Agreement")
with various individuals, each solely in their capacities as stockholders of
PairGain, who have agreed to vote all shares of PairGain common stock owned
or controlled by them in favor of the Merger.

         The foregoing is a summary of certain terms and conditions of the
Merger, is not intended to be complete and is qualified by reference to the
Merger Agreement, the Option Agreement, the Voting Agreements and ADC and
PairGain's joint press release describing the Merger, which are filed as
Exhibits 99-a, 99-b, 99-c and 99-d, respectively, to this Form 8-K, and which
are hereby incorporated herein by reference.

Item 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

         (c)      EXHIBITS
<TABLE>
<CAPTION>
                  EXHIBIT NO.       DESCRIPTION
                  -----------       -----------
                  <S>               <C>
                  99-a              Agreement and Plan of Merger, dated February
                                    22, 2000 between ADC Telecommunications,
                                    Inc., Roman Acquisition Corp. and PairGain
                                    Technologies, Inc.

                  99-b              Stock Option Agreement dated February 22,
                                    2000 between ADC Telecommunications, Inc.
                                    and PairGain Technologies, Inc.

                  99-c              Form of Voting Agreement

                  99-d              Joint press release describing the Merger
</TABLE>


                                Page 2 of 4 Pages

                         Exhibit Index Appears on Page 4

<PAGE>

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

Date:    February 28, 2000

                                       ADC TELECOMMUNICATIONS, INC.



                                       By:   /s/ Charles T. Roehrick
                                           ------------------------------------
                                             Charles T. Roehrick
                                             Vice President
                                             and Controller


                                Page 3 of 4 Pages

<PAGE>

                                INDEX TO EXHIBITS
<TABLE>
<CAPTION>

EXHIBIT NO.       DESCRIPTION
- -----------       -----------
<S>               <C>
99-a              Agreement and Plan of Merger dated February 22, 2000 between
                  ADC Telecommunications, Inc., Roman Acquisition Corp. and
                  PairGain Technologies, Inc.

99-b              Stock Option Agreement dated February 22, 2000 between ADC
                  Telecommunications, Inc. and PairGain Technologies, Inc.

99-c              Form of Voting Agreement

99-d              Joint press release describing the Merger
</TABLE>

                                Page 4 of 4 Pages


<PAGE>

                                                                   EXHIBIT 99-a



                                     AGREEMENT

                                 AND PLAN OF MERGER

                                    BY AND AMONG

                           ADC TELECOMMUNICATIONS, INC.,

                              ROMAN ACQUISITION CORP.

                                        AND

                            PAIRGAIN TECHNOLOGIES, INC.








                                ___________________

                                 February 22, 2000
                                ___________________

<PAGE>

<TABLE>
<CAPTION>

                                  TABLE OF CONTENTS
<S>           <C>                                                            <C>
ARTICLE I     THE MERGER . . . . . . . . . . . . . . . . . . . . . . . . . . .2
  1.1.        THE MERGER . . . . . . . . . . . . . . . . . . . . . . . . . . .2
  1.2.        EFFECT OF MERGER . . . . . . . . . . . . . . . . . . . . . . . .2
  1.3.        EFFECTIVE TIME . . . . . . . . . . . . . . . . . . . . . . . . .2
  1.4.        CERTIFICATE OF INCORPORATION; BYLAWS . . . . . . . . . . . . . .2
  1.5.        DIRECTORS AND OFFICERS . . . . . . . . . . . . . . . . . . . . .3
  1.6.        TAKING OF NECESSARY ACTION; FURTHER ACTION . . . . . . . . . . .3
  1.7.        THE CLOSING  . . . . . . . . . . . . . . . . . . . . . . . . . .3
ARTICLE II    CONVERSION OF SECURITIES . . . . . . . . . . . . . . . . . . . .3
  2.1.        CONVERSION OF SECURITIES . . . . . . . . . . . . . . . . . . . .3
  2.2.        STOCK OPTIONS  . . . . . . . . . . . . . . . . . . . . . . . . .5
  2.3.        EMPLOYEE STOCK PURCHASE PLAN . . . . . . . . . . . . . . . . . .6
  2.4.        EXCHANGE OF CERTIFICATES . . . . . . . . . . . . . . . . . . . .6
ARTICLE III   REPRESENTATIONS AND WARRANTIES OF THE COMPANY  . . . . . . . . .8
  3.1.        ORGANIZATION AND QUALIFICATION . . . . . . . . . . . . . . . . .8
  3.2.        CAPITAL STOCK OF SUBSIDIARIES  . . . . . . . . . . . . . . . . .9
  3.3.        CAPITALIZATION . . . . . . . . . . . . . . . . . . . . . . . . .9
  3.4.        AUTHORITY RELATIVE TO THIS AGREEMENT . . . . . . . . . . . . . 10
  3.5.        NO CONFLICT; REQUIRED FILINGS AND CONSENTS . . . . . . . . . . 11
  3.6.        SEC FILINGS; FINANCIAL STATEMENTS  . . . . . . . . . . . . . . 12
  3.7.        ABSENCE OF CHANGES OR EVENTS . . . . . . . . . . . . . . . . . 13
  3.8.        ABSENCE OF CERTAIN DEVELOPMENTS  . . . . . . . . . . . . . . . 13
  3.9.        LITIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . 13
  3.10.       TITLE TO PROPERTIES  . . . . . . . . . . . . . . . . . . . . . 13
  3.11.       CERTAIN CONTRACTS  . . . . . . . . . . . . . . . . . . . . . . 14
  3.12.       COMPLIANCE WITH LAW  . . . . . . . . . . . . . . . . . . . . . 14
  3.13.       INTELLECTUAL PROPERTY RIGHTS; YEAR 2000  . . . . . . . . . . . 15
  3.14.       TAXES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
  3.15.       EMPLOYEES  . . . . . . . . . . . . . . . . . . . . . . . . . . 18
  3.16.       EMPLOYEE BENEFIT PLANS . . . . . . . . . . . . . . . . . . . . 19
  3.17.       ENVIRONMENTAL MATTERS  . . . . . . . . . . . . . . . . . . . . 21
  3.18.       INSURANCE  . . . . . . . . . . . . . . . . . . . . . . . . . . 22
  3.19.       FOREIGN CORRUPT PRACTICES ACT  . . . . . . . . . . . . . . . . 22
  3.20.       EXPORT CONTROL LAWS  . . . . . . . . . . . . . . . . . . . . . 22
  3.21.       FINDERS OR BROKERS . . . . . . . . . . . . . . . . . . . . . . 22
  3.22.       BOARD RECOMMENDATION . . . . . . . . . . . . . . . . . . . . . 23
  3.23.       VOTE REQUIRED  . . . . . . . . . . . . . . . . . . . . . . . . 23
  3.24.       OPINION OF FINANCIAL ADVISOR . . . . . . . . . . . . . . . . . 23
  3.25.       TAX MATTERS  . . . . . . . . . . . . . . . . . . . . . . . . . 23
  3.26.       STATE TAKEOVER STATUTES; RIGHTS AGREEMENT  . . . . . . . . . . 23
  3.27.       REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS . . . . . . 24
  3.28.       FIRST QUARTER PERFORMANCE  . . . . . . . . . . . . . . . . . . 24


                                      i

<PAGE>

ARTICLE IV    REPRESENTATIONS AND WARRANTIES OF MERGER
              SUBAND PARENT  . . . . . . . . . . . . . . . . . . . . . . . . 24
  4.1.        ORGANIZATION AND QUALIFICATION . . . . . . . . . . . . . . . . 24
  4.2.        CAPITALIZATION . . . . . . . . . . . . . . . . . . . . . . . . 25
  4.3.        AUTHORITY RELATIVE TO THIS AGREEMENT . . . . . . . . . . . . . 26
  4.4.        NO CONFLICTS; REQUIRED FILINGS AND CONSENTS. . . . . . . . . . 26
  4.5.        SEC FILINGS; FINANCIAL STATEMENTS. . . . . . . . . . . . . . . 27
  4.6.        ABSENCE OF CHANGES OR EVENTS . . . . . . . . . . . . . . . . . 28
  4.7.        LITIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . 28
  4.8.        COMPLIANCE WITH LAW. . . . . . . . . . . . . . . . . . . . . . 28
  4.9.        FINDERS OR BROKERS . . . . . . . . . . . . . . . . . . . . . . 28
  4.10.       TAX MATTERS. . . . . . . . . . . . . . . . . . . . . . . . . . 28
  4.11.       REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS . . . . . . 29
ARTICLE V     COVENANTS AND AGREEMENTS . . . . . . . . . . . . . . . . . . . 29
  5.1.        CONDUCT OF BUSINESS OF THE COMPANY PENDING THE MERGER  . . . . 29
  5.2         PREPARATION OF REGISTRATION STATEMENT; PROXY
              STATEMENT/PROSPECTUS; BLUE SKY LAWS  . . . . . . . . . . . . . 32
  5.3         MEETING OF STOCKHOLDERS  . . . . . . . . . . . . . . . . . . . 33
  5.4.        ADDITIONAL AGREEMENTS, COOPERATION . . . . . . . . . . . . . . 33
  5.5.        PUBLICITY  . . . . . . . . . . . . . . . . . . . . . . . . . . 33
  5.6.        NO SOLICITATION  . . . . . . . . . . . . . . . . . . . . . . . 34
  5.7.        ACCESS TO INFORMATION  . . . . . . . . . . . . . . . . . . . . 35
  5.8.        NOTIFICATION OF CERTAIN MATTERS  . . . . . . . . . . . . . . . 36
  5.9.        RESIGNATION OF OFFICERS AND DIRECTORS  . . . . . . . . . . . . 36
  5.10.       INDEMNIFICATION  . . . . . . . . . . . . . . . . . . . . . . . 36
  5.11.       STOCKHOLDER LITIGATION . . . . . . . . . . . . . . . . . . . . 37
  5.12.       EMPLOYEE BENEFIT PLANS . . . . . . . . . . . . . . . . . . . . 37
  5.13.       DETERMINATION OF OPTIONHOLDERS . . . . . . . . . . . . . . . . 38
  5.14.       PREPARATION OF TAX RETURNS . . . . . . . . . . . . . . . . . . 38
  5.15.       POOLING AFFILIATES . . . . . . . . . . . . . . . . . . . . . . 39
  5.16.       POOLING ACTIONS  . . . . . . . . . . . . . . . . . . . . . . . 39
  5.17        TAX-FREE REORGANIZATION  . . . . . . . . . . . . . . . . . . . 39
  5.18.       SEC FILINGS; COMPLIANCE  . . . . . . . . . . . . . . . . . . . 39
  5.19.       LISTING OF ADDITIONAL SHARES . . . . . . . . . . . . . . . . . 39
  5.20.       RIGHTS AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . 40
  5.21.       STOCK REPURCHASE PLAN  . . . . . . . . . . . . . . . . . . . . 40
ARTICLE VI    CONDITIONS TO CLOSING  . . . . . . . . . . . . . . . . . . . . 40
  6.1.        CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER . . 40
  6.2.        CONDITIONS TO OBLIGATIONS OF PARENT  . . . . . . . . . . . . . 40
  6.3.        CONDITIONS TO OBLIGATIONS OF THE COMPANY . . . . . . . . . . . 42
ARTICLE VII   TERMINATION  . . . . . . . . . . . . . . . . . . . . . . . . . 43
  7.1.        TERMINATION  . . . . . . . . . . . . . . . . . . . . . . . . . 43
  7.2.        EFFECT OF TERMINATION  . . . . . . . . . . . . . . . . . . . . 45
  7.3.        FEES AND EXPENSES  . . . . . . . . . . . . . . . . . . . . . . 45


                                      ii

<PAGE>

ARTICLE VIII  MISCELLANEOUS  . . . . . . . . . . . . . . . . . . . . . . . . 47
  8.1.        NONSURVIVAL OF REPRESENTATIONS AND WARRANTIES. . . . . . . . . 47
  8.2.        WAIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
  8.3.        NOTICES  . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
  8.4.        COUNTERPARTS . . . . . . . . . . . . . . . . . . . . . . . . . 48
  8.5.        INTERPRETATION . . . . . . . . . . . . . . . . . . . . . . . . 48
  8.6.        AMENDMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . 49
  8.7.        NO THIRD PARTY BENEFICIARIES . . . . . . . . . . . . . . . . . 49
  8.8.        GOVERNING LAW  . . . . . . . . . . . . . . . . . . . . . . . . 49
  8.9.        ENTIRE AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . 49
  8.10.       VALIDITY . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
</TABLE>










                                      iii

<PAGE>

                                      EXHIBITS

<TABLE>
<CAPTION>

EXHIBITS
- --------
<S>    <C>
A      Stock Option Agreement
B      Voting Agreement
C      Certificate of Merger
D      Form of Company Affiliate Letter
E      Form of Parent Affiliate Letter
</TABLE>










                                      iv

<PAGE>

                             AGREEMENT AND PLAN OF MERGER

       This AGREEMENT AND PLAN OF MERGER (this "AGREEMENT"), dated February
22, 2000, is made and entered into by and among ADC Telecommunications, Inc.,
a Minnesota corporation ("PARENT"), Roman Acquisition Corp., a Delaware
corporation and wholly owned subsidiary of Parent ("MERGER SUB"), and
PairGain Technologies, Inc., a Delaware corporation (the "COMPANY").  Merger
Sub and the Company are sometimes collectively referred to as the
"Constituent Corporations."

                                    WITNESSETH:

       WHEREAS, the respective Boards of Directors of Parent, Merger Sub and
the Company have determined that it is advisable and in the best interests of
the respective corporations and their stockholders that Merger Sub be merged
with and into the Company in accordance with the General Corporation Law of
the State of Delaware (the "DGCL") and the terms of this Agreement, pursuant
to which the Company will be the surviving corporation and will be a wholly
owned subsidiary of Parent (the "MERGER"); and

       WHEREAS, for financial reporting purposes the parties intend that the
Merger shall be accounted for as a "pooling of interests."  The Company has
provided to Parent an opinion letter from its independent accountants,
Deloitte & Touche LLP, addressed to the Company, stating that, based on its
familiarity with the Company, the Company will qualify as a party to a
pooling-of-interests transaction under Opinion 16 of the Accounting
Principles Board and applicable rules and regulations of the Securities and
Exchange Commission (collectively, "OPINION 16").  Parent has provided to the
Company an opinion letter from its independent accountants, Arthur Andersen
LLP, addressed to Parent, stating that, as of the date of such letter, based
on its familiarity with Parent, Parent will qualify as a party to a
pooling-of-interests transaction under Opinion 16; and

       WHEREAS, for United States federal income tax purposes, the parties
intend that the Merger shall qualify as a "reorganization" under Section
368(a) of the Internal Revenue Code of 1986, as amended (the "CODE"), and
that this Agreement constitute a "plan of reorganization" within the meaning
of the Code; and

       WHEREAS, Parent, Merger Sub and the Company desire to make certain
representations, warranties, covenants, and agreements in connection with,
and establish various conditions precedent to, the Merger; and

        WHEREAS, as a condition to, and immediately after the execution of,
this Agreement, Parent and the Company are concurrently entering into a Stock
Option Agreement (the "COMPANY OPTION AGREEMENT"), in substantially the form
attached hereto as EXHIBIT A, pursuant to which the Company will grant Parent
an option exercisable upon the occurrence of certain events; and


<PAGE>

       WHEREAS, as an inducement to Parent to enter into this Agreement,
certain principal stockholders of the Company are concurrently herewith
entering into a Voting Agreement (the "VOTING AGREEMENT") in substantially
the form attached hereto as EXHIBIT B, whereby each such stockholder agrees
to vote in favor of the Merger and all other transactions contemplated by
this Agreement.

       NOW, THEREFORE, in consideration of the representations, warranties,
covenants and agreements set forth in this Agreement and in the Certificate
of Merger (as defined in Section 1.3 hereof), the parties hereto, intending
to be legally bound, agree as follows:


                                    ARTICLE I

                                    THE MERGER

       1.1.   THE MERGER.  At the Effective Time (as defined in Section 1.3
hereof), subject to the terms and conditions of this Agreement and the
Certificate of Merger (as defined in Section 1.3 hereof), Merger Sub shall be
merged with and into the Company, the separate existence of Merger Sub shall
cease, and the Company shall continue as the surviving corporation.  The
Company, in its capacity as the corporation surviving the Merger, is
hereinafter sometimes referred to as the "SURVIVING CORPORATION."

       1.2.   EFFECT OF MERGER.  At the Effective Time, the effect of the
Merger shall be as provided in this Agreement, the Certificate of Merger and
the applicable provisions of the DGCL.  Without limiting the generality of
the foregoing, the Surviving Corporation shall succeed to and possess all the
properties, rights, privileges, immunities, powers, franchises and purposes,
and be subject to all the duties, liabilities, debts, obligations,
restrictions and disabilities, of the Constituent Corporations, all without
further act or deed.

       1.3.   EFFECTIVE TIME.  Subject to the terms and conditions of this
Agreement, the parties hereto will cause a copy of the Certificate of Merger,
attached hereto as EXHIBIT C (the "CERTIFICATE OF MERGER") to be executed,
delivered and filed with the Secretary of State of the State of Delaware in
accordance with the applicable provisions of the DGCL at the time of the
Closing (as defined in Section 1.7 hereof).  The Merger shall become
effective upon filing of the Certificate of Merger with the Secretary of
State of the State of Delaware, at such later time as may be agreed to by the
parties and set forth in the Certificate of Merger.  The time of
effectiveness is herein referred to as the "EFFECTIVE TIME."  The day on
which the Effective Time shall occur is herein referred to as the "EFFECTIVE
DATE."

       1.4.   CERTIFICATE OF INCORPORATION; BYLAWS.  From and after the
Effective Time and until further amended in accordance with applicable law,
the Certificate of Incorporation of the Company, as in effect immediately
prior to the Effective Time, shall be the Certificate of Incorporation of the
Surviving Corporation, as amended as set forth in an exhibit to the
Certificate of Merger. From and after the Effective Time and until further
amended in


                                      2

<PAGE>

accordance with law, the Bylaws of Merger Sub as in effect immediately prior
to the Effective Time shall be the Bylaws of the Surviving Corporation.

       1.5.   DIRECTORS AND OFFICERS.  From and after the Effective Time, the
directors of the Surviving Corporation shall be the persons who were the
directors of Merger Sub immediately prior to the Effective Time, and the
officers of the Surviving Corporation shall be the persons who were the
officers of Merger Sub immediately prior to the Effective Time.  Said
directors and officers of the Surviving Corporation shall hold office for the
term specified in, and subject to the provisions contained in, the
Certificate of Incorporation and Bylaws of the Surviving Corporation and
applicable law.  If, at or after the Effective Time, a vacancy shall exist on
the Board of Directors or in any of the offices of the Surviving Corporation,
such vacancy shall be filled in the manner provided in the Certificate of
Incorporation and Bylaws of the Surviving Corporation.

       1.6.   TAKING OF NECESSARY ACTION; FURTHER ACTION.  Parent, Merger Sub
and the Company, respectively, shall each use its or their best efforts to
take all such action as may be necessary or appropriate to effectuate the
Merger under the DGCL at the time specified in Section 1.3 hereof.  If, at
any time after the Effective Time, any further action is necessary or
desirable to carry out the purposes of this Agreement and to vest the
Surviving Corporation with full right, title and possession to all
properties, rights, privileges, immunities, powers and franchises of either
of the Constituent Corporations, the officers of the Surviving Corporation
are fully authorized in the name of each Constituent Corporation or otherwise
to take, and shall take, all such lawful and necessary action.

       1.7.   THE CLOSING.  The closing of the transactions contemplated by
this Agreement (the "CLOSING") will take place at the offices of Dorsey &
Whitney LLP, Pillsbury Center South, 220 South Sixth Street, Minneapolis,
Minnesota, within three business days after the date on which the last of the
conditions set forth in Article VI shall have been satisfied or waived, or at
such other place and on such other date as is mutually agreeable to Parent
and the Company (the "CLOSING DATE").  The Closing will be effective as of
the Effective Time.

                                     ARTICLE II

                              CONVERSION OF SECURITIES

       2.1.   CONVERSION OF SECURITIES.  At the Effective Time, by virtue of
the Merger and without any action on the part of Parent, Merger Sub, the
Company, the holder of any shares of Company Common Stock (defined below) or
the holder of any options, warrants or other rights to acquire or receive
shares of Company Common Stock, the following shall occur:

              (a)    CONVERSION OF COMPANY COMMON STOCK.  At the Effective
Time, each share of common stock, par value $.0005 per share, of the Company
(the "COMPANY COMMON STOCK") issued and outstanding immediately prior to the
Effective Time (other than any shares of Company Common Stock to be canceled
pursuant to Section 2.1(b)) will be canceled and extinguished and be
converted automatically into the right to receive 0.43 shares (the "EXCHANGE
RATIO") of common stock, par value $.20 per share, of the Parent (the "PARENT
COMMON STOCK").


                                      3

<PAGE>

All references in this Agreement to Parent Common Stock to be issued pursuant
to the Merger shall be deemed to include the corresponding rights to purchase
shares of Parent Common Stock pursuant to the Parent SRP Plan (defined in
Section 4.2 hereof), except where the context otherwise requires.

              (b)    CANCELLATION OF COMPANY COMMON STOCK OWNED BY PARENT OR
COMPANY.  At the Effective Time, all shares of Company Common Stock that are
owned by Company as treasury stock and each share of Company Common Stock
owned by Parent or any direct or indirect wholly owned subsidiary of Parent
or of Company immediately prior to the Effective Time shall be canceled and
extinguished without any conversion thereof.

              (c)    COMPANY STOCK OPTION PLANS.  At the Effective Time, the
Company's 1990 Stock Plan, 1993 Stock Option/Stock Issuance Plan, as amended,
the Company's 1996 Non-Employee Directors Stock Option Plan and the Avidia
Stock Option and Incentive Award Plan (collectively, the "COMPANY STOCK
OPTION PLANS") and all options to purchase Company Common Stock then
outstanding under the Company Stock Option Plans shall be assumed by Parent
in accordance with Section 2.2 hereof.

              (d)    CAPITAL STOCK OF MERGER SUB.  At the Effective Time,
each share of common stock, $0.01 par value, of Merger Sub ("MERGER SUB
COMMON STOCK") issued and outstanding immediately prior to the Effective Time
shall be converted into and exchanged for one validly issued, fully paid and
nonassessable share of common stock, $0.01 par value, of the Surviving
Corporation, and the Surviving Corporation shall be a wholly owned subsidiary
of Parent.  Each stock certificate of Merger Sub evidencing ownership of any
such shares shall continue to evidence ownership of such shares of capital
stock of the Surviving Corporation.

              (e)    ADJUSTMENTS TO EXCHANGE RATIO.  The Exchange Ratio shall
be adjusted in the event of (i) any stock split, reverse split, stock
dividend (including any dividend or distribution of securities convertible
into Parent Common Stock or Company Common Stock), reorganization,
recapitalization or other like change with respect to Parent Common Stock or
Company Common Stock occurring after the date hereof and prior to the
Effective Time or (ii) any increase in the number of shares of Company Common
Stock on a fully diluted, as-converted basis relative to such number of
shares as derived from Section 3.3 hereof (other than increases resulting
from transactions permitted in Section 5.1(b)(ii) or (iii) hereof), so as to
provide holders of Company Common Stock and Parent the same economic effect
as contemplated by this Agreement prior to such stock split, reverse split,
stock dividend, reorganization, recapitalization, like change or increase.

              (f)    FRACTIONAL SHARES.  No fraction of a share of Parent
Common Stock will be issued, but in lieu thereof each holder of shares of
Company Common Stock who would otherwise be entitled to a fraction of a share
of Parent Common Stock (after aggregating all fractional shares of Parent
Common Stock to be received by such holder) shall receive from Parent an
amount of cash (rounded to the nearest whole cent) equal to the product of
(i) such fraction, multiplied by (ii) the closing price for a share of Parent
Common Stock on the Nasdaq National Market on the last full trading day prior
to the Effective Time.


                                      4

<PAGE>

       2.2.   STOCK OPTIONS.

              (a)    At the Effective Time, each outstanding option to
purchase shares of Company Common Stock under the Company Stock Option Plans
(each, a "COMPANY OPTION"), whether vested or unvested, shall be assumed by
Parent and converted into an option (each, a "PARENT OPTION") to acquire, on
substantially the same terms and conditions, including but not limited to any
performance criteria set forth in the applicable stock option agreements, as
were applicable under such Company Option, the number of whole shares of
Parent Common Stock equal to the number of shares of Company Common Stock
that were issuable upon exercise of such Company Option immediately prior to
the Effective Time multiplied by the Exchange Ratio (rounded down to the
nearest whole number of shares of Parent Common Stock), and the per share
exercise price of the shares of Parent Common Stock issuable upon exercise of
such Parent Option shall be equal to the exercise price per share of Company
Common Stock at which such Company Option was exercisable immediately prior
to the Effective Time divided by the Exchange Ratio (rounded to the nearest
whole cent).  Other than pursuant to the terms of existing commitments (all
of which commitments are identified in Section 2.2 of the Company Disclosure
Letter (as defined in the preamble to Article III hereof)), the Company shall
not, and shall cause any Company Stock Option Plan administrator not to, take
any action prior to the Effective Time that will extend the exercise period
of any Company Option or cause the vesting period of any Company Option to
accelerate under any circumstances, regardless of whether such circumstances
are to occur before or after the Effective Time, or otherwise amend the terms
of outstanding Company Options.

              (b)    All outstanding rights of the Company which it may hold
immediately prior to the Effective Time to repurchase unvested shares of
Company Common Stock (the "REPURCHASE OPTIONS") shall continue in effect
following the Merger and shall continue to be exercisable by the Parent upon
the same terms and conditions in effect immediately prior to the Effective
Time, except that the shares purchasable pursuant to the Repurchase Options
and the purchase price per shall be adjusted to reflect the conversion to
Parent Common Stock and the Exchange Ratio.

              (c)    Parent shall take all corporate action necessary to
reserve for issuance a sufficient number of shares of Parent Common Stock for
delivery upon exercise of the Parent Options and to file all documents
required to be filed to cause the shares of Parent Common Stock issuable upon
exercise of the Parent Options to be listed on the Nasdaq National Market.
As soon as practicable after the Effective Time, but no later than five
business days after the Effective Time, Parent shall file a registration
statement with the U.S. Securities and Exchange Commission (the "SEC") on
Form S-8 (or any successor form) or another appropriate form with respect to
the Parent Common Stock subject to such Parent Options, and shall use all
commercially reasonable efforts to maintain the effectiveness of such
registration statement or registration statements (and maintain the current
status of the prospectus or prospectuses contained therein) for so long as
such Parent Options remain outstanding.  As soon as practicable after the
Effective Time, Parent shall inform in writing the holders of Company Options
of their rights pursuant to the Company Stock Option Plans and the agreements
evidencing the grants of


                                      5

<PAGE>

such Company Options shall continue in effect on the same terms and
conditions (subject to the adjustments required by Section 2.2(a) hereof),
after giving effect to the Merger and the assumption by Parent of the Company
Options as set forth herein.

              (d)    In the case of any Company Option to which Section 421
of the Code applies by reason of Section 422 of the Code ("INCENTIVE STOCK
OPTIONS"), the option exercise price, the number of shares of Parent Common
Stock purchasable pursuant to such option and the terms and conditions of
exercise of such option shall be determined in order to comply with Section
424(a) of the Code.

              (e)    Parent will make good faith efforts to ensure, to the
extent permitted by the Code and to the extent required by and subject to the
terms of any such Incentive Stock Options, that Company Options which
qualified as Incentive Stock Options prior to the Closing Date continue to
qualify as Incentive Stock Options of Parent after the Closing.  Parent makes
no representation regarding the qualification of such Company Options as
Incentive Stock Options.  Parent gives no guarantee or assurances of any
particular result with respect to Taxes (as defined in Section 3.14 hereof)
for any holder of Company Options.

       2.3.   EMPLOYEE STOCK PURCHASE PLAN.  The parties acknowledge that the
Company's Employee Stock Purchase Plan (the "ESPP") shall continue to operate
in accordance with its terms following the execution of this Agreement,
except as provided below.  Effective as of one business day prior to the
Effective Time, the Company shall cause each outstanding purchase right to be
automatically exercised in accordance with Section VII.G of the ESPP, the
Company shall cause the ESPP to terminate, and no purchase rights shall be
subsequently granted or exercised under the ESPP.  The Company shall take all
actions necessary to ensure that the ESPP will not be amended or modified in
any respect after the date hereof, except to effect the terms of this Section
2.3.  Notwithstanding the foregoing, the Company shall cause such amendments
to be made to the ESPP such that, following such amendments, the operation of
the ESPP will not cause "pooling-of-interests" accounting treatment to be
unavailable for the transactions contemplated by the Agreement.

       2.4.   EXCHANGE OF CERTIFICATES.

              (a)    Prior to the Effective Time, Parent shall designate a
commercial bank, trust company or other financial institution, which may
include Parent's stock transfer agent, to act as exchange agent ("EXCHANGE
AGENT") in the Merger.

              (b)    Promptly after the Effective Time, Parent shall make
available to the Exchange Agent for exchange in accordance with this Article
II, (i) the aggregate number of shares of Parent Common Stock issuable
pursuant to Section 2.1 in exchange for outstanding shares of Company Common
Stock, and (ii) cash in an amount sufficient to permit payment of cash in
lieu of fractional shares pursuant to Section 2.1(f) (the "EXCHANGE FUND").

              (c)    Promptly, and in any event no later than ten business
days after the Effective Time, the Parent shall cause to be mailed to each
holder of record of a certificate or


                                      6

<PAGE>

certificates which immediately prior to the Effective Time represented
outstanding shares of Company Common Stock (the "CERTIFICATES") (i) a letter
of transmittal (which shall specify that delivery shall be effected, and risk
of loss and title to the Certificates shall pass, only upon proper delivery
of the Certificates to the Exchange Agent, and shall be in such form and have
such other provisions as Parent may reasonably specify and which shall be
reasonably acceptable to the Company) and (ii) instructions for use in
effecting the surrender of the Certificates in exchange for certificates
representing shares of Parent Common Stock (and cash in lieu of fractional
shares).  Upon surrender of a Certificate for cancellation to the Exchange
Agent, together with such letter of transmittal, duly completed and validly
executed, and such other documents as may be reasonably required pursuant to
such instructions, the holder of such Certificate shall be entitled to
receive in exchange a certificate representing the number of whole shares of
Parent Common Stock, plus cash lieu of fractional shares in accordance with
Section 2.1(f), to which such holder is entitled pursuant to Section 2.1, and
the Certificate so surrendered shall forthwith be canceled.  Until
surrendered as contemplated by this Section 2.4, each Certificate that, prior
to the Effective Time, represented shares of Company Common Stock will be
deemed from and after the Effective Time, for all corporate purposes, other
than the payment of dividends, to evidence the right to receive the number of
full shares of Parent Common Stock into which such shares of Company Common
Stock shall have been so converted and the right to receive an amount of cash
in lieu of the issuance of any fractional shares in accordance with Section
2.1(f).

              (d)    No dividends or other distributions declared or made
after the Effective Time with respect to Parent Common Stock with a record
date after the Effective Time will be paid to the holder of any unsurrendered
Certificate with respect to the shares of Parent Common Stock represented
thereby until the holder of record of such Certificate shall surrender such
Certificate.  Subject to applicable law, following surrender of any such
Certificate, there shall be paid to the record holder of the certificates
representing whole shares of Parent Common Stock issued in exchange therefor,
without interest, at the time of such surrender, the amount of dividends or
other distributions with a record date after the Effective Time theretofore
paid with respect to such whole shares of Parent Common Stock.

              (e)    None of Parent, the Surviving Corporation or the
Exchange Agent shall be liable to any holder of shares of Company Common
Stock for any amount properly delivered to a public official in compliance
with any abandoned property, escheat or similar law.

              (f)    At the Effective Time, the stock transfer books of the
Company shall be closed and there shall be no further registration of
transfers of shares of Company Common Stock thereafter on the records of the
Company. From and after the Effective Time, the holders of certificates
representing shares of Company Common Stock outstanding immediately prior to
the Effective Time shall cease to have any rights with respect to such shares
of Company Common Stock except as otherwise provided in this Agreement or by
law.

              (g)    Subject to any applicable escheat or similar laws, any
portion of the Exchange Fund that remains unclaimed by the former
stockholders of the Company for one year after the Effective Time shall be
delivered by the Exchange Agent to Parent, upon demand of Parent, and any
former stockholders of the Company shall thereafter look only to Parent for


                                      7

<PAGE>

satisfaction of their claim for certificates representing shares of Parent
Common Stock in exchange for their shares of Company Common Stock pursuant to
the terms of Section 2.1 hereof.

              (h)    If any Certificate shall have been lost, stolen or
destroyed, upon the making of an affidavit of that fact, in form and
substance acceptable to the Exchange Agent, by the person claiming such
Certificate to be lost, stolen or destroyed, and complying with such other
conditions as the Exchange Agent may reasonably impose (including the
execution of an indemnification undertaking or the posting of an indemnity
bond or other surety in favor of the Exchange Agent and Parent with respect
to the Certificate alleged to be lost, stolen or destroyed), the Exchange
Agent will deliver to such person, such shares of Parent Common Stock and
cash in lieu of fractional shares, if any, as may be required pursuant to
Section 2.1.

                                    ARTICLE III

                   REPRESENTATIONS AND WARRANTIES OF THE COMPANY

       The Company represents and warrants to Merger Sub and Parent that the
statements contained in this Article III are true and correct, except as set
forth in the letter delivered by the Company to Merger Sub on the date hereof
(the "COMPANY DISCLOSURE LETTER") (which Company Disclosure Letter sets forth
the exceptions to the representations and warranties contained in this
Article III under captions referencing the Sections to which such exceptions
apply):

       3.1.   ORGANIZATION AND QUALIFICATION.  Each of the Company and its
Subsidiaries (as defined below) is a company (or similar entity with
corporate characteristics including limited liability of stockholders or
other owners) duly organized, validly existing, duly registered and, if
applicable, in good standing under the laws of the jurisdiction of its
organization and each such entity has all requisite corporate power and
authority to own, lease and operate its properties and to carry on its
business as now being conducted.  Each of the Company and its Subsidiaries is
duly qualified or licensed to carry on its business as it is now being
conducted, and is qualified to conduct business, in each jurisdiction where
the character of its properties owned or leased or the nature of its
activities makes such qualification necessary, except for failures to be so
qualified that would not, individually or in the aggregate, have, or would
not reasonably be expected to have, a Company Material Adverse Effect (as
defined below).  Neither the Company nor any of its Subsidiaries is in
violation of any of the provisions of its Certificate of Incorporation or
other applicable charter document (any such document of any business entity
hereinafter referred to as its "CHARTER DOCUMENT") or its Bylaws, or other
applicable governing document (any such documents of any business entity
hereinafter referred to as its "GOVERNING DOCUMENT").  The Company has
delivered to Merger Sub accurate and complete copies of the respective
Charter Documents and Governing Documents, as currently in effect, of each of
the Company and its Subsidiaries.  As used in this Agreement, the term
"COMPANY MATERIAL ADVERSE EFFECT" means any change, effect, event or
condition that (i) has a material adverse effect on the assets, business,
results of operations or financial condition of the Company and its
Subsidiaries, taken as a whole (other than any such change, effect, event or
condition that arises (A) as a result of the transactions contemplated
hereby, or (B) from changes in general economic conditions, except to


                                      8

<PAGE>

the extent such changes disproportionately affect the Company and its
Subsidiaries, taken as a whole), or (ii) would prevent or materially delay
the Company's ability to consummate the transactions contemplated hereby.  As
used in this Agreement, the term "SUBSIDIARY" when used with respect to any
party means any corporation or other organization, whether incorporated or
unincorporated, of which such party directly or indirectly owns or controls
at least a majority of the securities or other interests having by their
terms ordinary voting power to elect a majority of the board of directors or
others performing similar functions.

       3.2.   CAPITAL STOCK OF SUBSIDIARIES.  Neither the Company nor any of
its Subsidiaries owns, controls or holds with the power to vote, directly or
indirectly, of record, beneficially or otherwise, any share capital, capital
stock or any equity or ownership interest in any company, corporation,
partnership, association, joint venture, business, trust or other entity,
except for the Subsidiaries described in the Company SEC Reports (as defined
in Section 3.6(a) hereof) or listed in Section 3.2 of the Company Disclosure
Letter, and except for ownership of securities in any publicly traded company
held for investment by the Company or any of its Subsidiaries and comprising
less than five percent of the outstanding stock of such company.  Except as
set forth in Section 3.2 of the Company Disclosure Letter, the Company is
directly or indirectly the registered, record and beneficial owner of all of
the outstanding share capital or shares of capital stock (or other ownership
interests having by their terms ordinary voting power to elect a majority of
directors or others performing similar functions with respect to such
Subsidiary) of each of its Subsidiaries, there are no proxies with respect to
such shares, and no equity securities of any of such Subsidiaries are or may
be required to be issued by reason of any options, warrants, scrip, rights to
subscribe for, calls or commitments of any character whatsoever relating to,
or securities or rights convertible into or exchangeable for, share capital
or shares of any capital stock of any such Subsidiary, and there are no
contracts, commitments, understandings or arrangements by which the Company
or any such Subsidiary is bound to issue, transfer or sell any share capital
or shares of such capital stock or securities convertible into or
exchangeable for such shares.  Other than as set forth in Section 3.2 of the
Company Disclosure Letter, all of such shares so owned by the Company are
validly issued, fully paid and nonassessable and are owned by it free and
clear of any claim, lien, pledge, security interest or other encumbrance of
any kind (collectively "LIENS") with respect thereto other than restrictions
on transfer pursuant to applicable securities laws.

       3.3.   CAPITALIZATION. The authorized capital stock of the Company
consists of 175,000,000 shares of Company Common Stock and 2,000,000 shares
of preferred stock, $.001 par value per share (of which 200,000 shares are
designated Series A Junior Participating Preferred Stock) (the "COMPANY
PREFERRED STOCK").  As of the close of business on February 18, 2000 (the
"COMPANY MEASUREMENT DATE"), (a) 72,813,826 shares of Company Common Stock
were issued and outstanding, (b) no shares of Company Preferred Stock were
issued and outstanding, (c) the Company had no shares of Company Common Stock
held in its treasury,  (d) 12,665,428 shares of Company Common Stock were
reserved for issuance under the Company Stock Option Plans and the ESPP, (e)
Company Options to purchase 10,687,839 shares of Company Common Stock in the
aggregate had been granted and remained outstanding under the Company Stock
Option Plans, (f) no warrants to purchase shares of Company Common Stock were
outstanding and (g) except for the Company Options, rights to the issuance of
199,786


                                      9

<PAGE>

shares of Company Common Stock in the aggregate under the ESPP and rights to
purchase shares of Series A Junior Participating Preferred Stock pursuant to
the Company Rights Agreement (defined in Section 3.26 hereof), there were no
outstanding Rights (defined below).  Except as permitted by Section 5.1(b),
since the Company Measurement Date, no additional shares in the Company have
been issued, except pursuant to the exercise of Company Options listed in
Section 3.3 of the Company Disclosure Letter and the ESPP, and no Rights have
been granted.  Except as described in the preceding sentence or as set forth
in Section 3.3 of the Company Disclosure Letter, the Company has no
outstanding bonds, debentures, notes or other securities or obligations the
holders of which have the right to vote or which are convertible into or
exercisable for securities having the right to vote on any matter on which
any stockholder of the Company has a right to vote.  All issued and
outstanding shares of Company Common Stock are duly authorized, validly
issued, fully paid, nonassessable and free of preemptive rights.  There are
not as of the date hereof any existing options, warrants, stock appreciation
rights, stock issuance rights, calls, subscriptions, convertible securities
or other rights which obligate the Company or any of its Subsidiaries to
issue, exchange, transfer or sell any shares in the capital of the Company or
any of its Subsidiaries, other than rights to purchase shares of Series A
Junior Participating Preferred Stock pursuant to the Company Rights
Agreement, Company Common Stock issuable under the Company Stock Option Plans
and the ESPP, or awards granted pursuant thereto (collectively, "RIGHTS").
As of the date hereof, there are no outstanding contractual obligations of
the Company or any of its Subsidiaries to repurchase, reprice, redeem or
otherwise acquire any shares of the capital of the Company or any of its
Subsidiaries.  As of the date hereof, there are no outstanding contractual
obligations of the Company to vote or to dispose of any shares in the capital
of any of its Subsidiaries.

       3.4.   AUTHORITY RELATIVE TO THIS AGREEMENT.  The Company has the
requisite corporate power and authority to execute and deliver, and perform
its obligations under, this Agreement and the Company Option Agreement and,
subject to obtaining the necessary approval of its stockholders, to
consummate the Merger and the other transactions contemplated hereby and
thereby under applicable law.  The execution and delivery of this Agreement
and the Company Option Agreement and the consummation of the Merger and other
transactions contemplated hereby and thereby have been duly and validly
authorized by the Board of Directors of the Company and no other corporate
proceedings on the part of the Company are necessary to authorize this
Agreement or the Company Option Agreement or to consummate the Merger or
other transactions contemplated hereby and thereby (other than approval by
the Company's stockholders required by applicable law).  This Agreement and
the Company Option Agreement have been duly and validly executed and
delivered by the Company and, assuming the due authorization, execution and
delivery hereof by Parent and Merger Sub, each constitutes a valid and
binding agreement of the Company, enforceable against the Company in
accordance with its terms, except to the extent that its enforceability may
be limited by applicable bankruptcy, insolvency, reorganization, moratorium
or other laws affecting the enforcement of creditors rights generally or by
general equitable principles.


                                      10

<PAGE>

       3.5.   NO CONFLICT; REQUIRED FILINGS AND CONSENTS.

              (a)    Assuming that all filings, permits, authorizations,
consents and approvals or waivers thereof have been duly made or obtained as
contemplated by Section 3.5(b) hereof, neither the execution and delivery of
this Agreement or the Company Option Agreement by the Company nor the
consummation of the Merger or other transactions contemplated hereby or
thereby nor compliance by the Company with any of the provisions hereof will
(i) violate, conflict with, or result in a breach of any provision of, or
constitute a default (or an event which, with notice or lapse of time or
both, would constitute a default) under, or result in the termination or
suspension of, or accelerate the performance required by, or result in a
right of termination or acceleration under, or result in the creation of any
Lien upon any of the properties or assets of the Company or any of its
Subsidiaries under, any of the terms, conditions or provisions of (x) their
respective Charter Documents or Governing Documents, (y) any note, bond,
charge, lien, pledge, mortgage, indenture or deed of trust to which the
Company or any such Subsidiary is a party or to which they or any of their
respective properties or assets may be subject, or (z) any license, lease,
agreement or other instrument or obligation to which the Company or any such
Subsidiary is a party or to which they or any of their respective properties
or assets may be subject, or (ii) violate any judgment, ruling, order, writ,
injunction, decree, statute, rule or regulation applicable to the Company or
any of its Subsidiaries or any of their respective properties or assets,
except, in the case of clauses (i) (y) and (z) and (ii) above, for such
violations, conflicts, breaches, defaults, terminations, suspensions,
accelerations, rights of termination or acceleration or creations of liens,
security interests, charges or encumbrances which would not, individually or
in the aggregate, reasonably be expected to have a Company Material Adverse
Effect.

              (b)    No filing or registration with or notification to and no
permit, authorization, consent or approval of any court, commission,
governmental body, regulatory authority, agency or tribunal wherever located
(a "GOVERNMENTAL ENTITY") is required to be obtained, made or given by the
Company in connection with the execution and delivery of this Agreement or
the Company Option Agreement or the consummation by the Company of the Merger
or other transactions contemplated hereby or thereby except (i)  (A) the
filing of the Certificate of Merger as provided in Section 1.3 hereof, (B) in
connection with the applicable requirements of the Hart-Scott-Rodino
Antitrust Improvements Act of 1976, as amended (the "HSR ACT"), (C) the
filing of the Proxy Statement/Prospectus (as defined in Section 3.27 hereof)
and such reports under Sections 13(a), 13(d), 15(d) or 16(a) with the SEC in
accordance with the Securities Exchange Act of 1934, as amended, and the
rules and regulations promulgated thereunder (the "EXCHANGE ACT") and the
Securities Act of 1933, as amended, and the rules and regulations promulgated
thereunder (the "SECURITIES ACT"), as may be required in connection with this
Agreement, the Company Option Agreement and the transactions contemplated
hereby or thereby, (D) in connection with the applicable requirements of the
Communications Act of 1934, as amended (the "COMMUNICATIONS ACT"), or the
rules, regulations or policies of the Federal Communications Commission (the
"FCC"), (E) in connection with the applicable requirements of the Fair
Trading Act in the United Kingdom (the "FAIR TRADING ACT"), (F) in connection
with the applicable requirements of the Investment Canada Act, (G) in
connection with the applicable requirements of the Competition Act (Canada)
or (H) such consents, approvals, orders, authorizations, registrations,
declarations and filings as may be required under applicable state


                                      11

<PAGE>

securities laws and the laws of any country other than the United States, or
(ii) where the failure to obtain any such consents, approvals, authorizations
or permits, or to make such filings or notifications, would not, individually
or in the aggregate, reasonably be expected to have a Company Material
Adverse Effect.

       3.6.   SEC FILINGS; FINANCIAL STATEMENTS.

              (a)    The Company has filed all forms, reports, schedules,
statements and other documents required to be filed by it since January 1,
1997 to the date hereof (collectively, as supplemented and amended since the
time of filing, the "COMPANY SEC REPORTS") with the SEC.  The Company SEC
Reports (i) were prepared in all material respects with all applicable
requirements of the Securities Act and the Exchange Act, as the case may be
and (ii) did not at the time they were filed contain any untrue statement of
a material fact or omit to state any material fact required to be stated
therein or necessary in order to make the statements therein, in light of the
circumstances under which they were made, not misleading.  The representation
in clause (ii) of the preceding sentence does not apply to any misstatement
or omission in any Company SEC Report filed prior to the date of this
Agreement which was superseded by a subsequent Company SEC Report filed prior
to the date of this Agreement.  No Subsidiary of the Company is required to
file any report, form or other document with the SEC.

              (b)    The audited consolidated financial statements and
unaudited consolidated interim financial statements of the Company and its
Subsidiaries included or incorporated by reference in such Company SEC
Reports (collectively, the "FINANCIAL STATEMENTS") have been prepared in
accordance with United States generally accepted accounting principles
applied on a consistent basis during the periods involved (except as may be
otherwise indicated in the notes thereto) and present fairly, in all material
respects, the financial position and results of operations and cash flows of
the Company and its Subsidiaries on a consolidated basis at the respective
dates and for the respective periods indicated (except, in the case of all
such financial statements that are interim financial statements, for
footnotes and normal year-end adjustments).

              (c)    Neither the Company nor any of its Subsidiaries has any
liabilities or obligations of any nature, whether absolute, accrued,
unmatured, contingent or otherwise whether due or to become due, known or
unknown, or any unsatisfied judgments or any leases of personalty or realty
or unusual or extraordinary commitments that are required to be disclosed
under United States generally accepted accounting principles, except (i) as
set forth in the Company SEC Reports or in Section 3.6(c) of the Company
Disclosure Letter, (ii) the liabilities recorded on the Company's
consolidated balance sheet at September 30, 1999 (the "BALANCE SHEET")
included in the financial statements referred in Section 3.6(a) hereof and
the notes thereto, (iii) liabilities or obligations incurred since September
30, 1999 (whether or not incurred in the ordinary course of business and
consistent with past practice) that would not, individually or in the
aggregate, reasonably be expected to have a Company Material Adverse Effect,
or (iv) liabilities that would not be required by United States generally
accepted accounting principles to be disclosed in financial statements or in
the notes thereto and that would not, individually or in the aggregate,
reasonably be expected to have a Company Material Adverse Effect.


                                      12

<PAGE>

       3.7.   ABSENCE OF CHANGES OR EVENTS.  Except as set forth in Section
3.7 of the Company Disclosure Letter or in the Company SEC Reports, since
September 30, 1999 through the date of this Agreement, the Company and its
Subsidiaries have not incurred any liability or obligation that has resulted
or would reasonably be expected to result in a Company Material Adverse
Effect, and there has not been any change in the business, financial
condition or results of operations of the Company or any of its Subsidiaries
which has had, or would reasonably be expected to have, individually or in
the aggregate, a Company Material Adverse Effect, and the Company and its
Subsidiaries have conducted their respective businesses in the ordinary
course consistent with their past practices.

       3.8.   ABSENCE OF CERTAIN DEVELOPMENTS.  Except as disclosed in the
Company SEC Reports or as set forth in Section 3.8 of the Company Disclosure
Letter, since September 30, 1999, the Company has not taken any of the
actions set forth in Section 5.1 hereof.

       3.9.   LITIGATION.  Except as disclosed in the Company SEC Reports or
as set forth in Section 3.9 of the Company Disclosure Letter, there is no (a)
claim, action, suit or proceeding pending or, to the Knowledge of the Company
or any of its Subsidiaries, threatened against or relating to the Company or
any of its Subsidiaries before any Governmental Entity, or (b) outstanding
judgment, order, writ, injunction or decree (collectively, "ORDERS"), or
application, request or motion therefor, of any Governmental Entity in a
proceeding to which the Company, any Subsidiary of the Company or any of
their respective assets was or is a party except actions, suits, proceedings
or Orders that, individually or in the aggregate, has not had or would not
reasonably be expected to have a Company Material Adverse Effect, and neither
the Company nor any Subsidiary is in default in any material respect with
respect to any such Order.

       3.10.  TITLE TO PROPERTIES.  The Company has heretofore made available
to Parent correct and complete copies of all deeds and other instruments (as
recorded) by which the Company has acquired any real property, as well as all
title insurance policies, abstracts and surveys in the possession of the
Company and relating to such real property.  The Company has heretofore made
available to Parent correct and complete copies of all leases, subleases and
other agreements (collectively, the "REAL PROPERTY LEASES") under which the
Company or any of its Subsidiaries uses or occupies or has the right to use
or occupy, now or in the future, any real property or facility (the "LEASED
REAL PROPERTY"), including without limitation all modifications, amendments
and supplements thereto.  Except in each case where the failure would not,
individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect or except as otherwise set forth in Section 3.10 of
the Company Disclosure Letter, (i) the Company or one of its Subsidiaries has
a valid leasehold interest in each parcel of Leased Real Property free and
clear of all Liens except liens of record and other permitted liens and each
Real Property Lease is in full force and effect, (ii) all rent and other sums
and charges due and payable by the Company or its Subsidiaries as tenants
thereunder are current in all material respects, (iii) no termination event
or condition or uncured default of a material nature on the part of the
Company or any such Subsidiary or, to the Knowledge of the Company or any
such Subsidiary, the landlord, exists under any Real Property Lease, (iv) the
Company or one of its Subsidiaries is in actual possession of each Leased
Real Property and is entitled to quiet enjoyment thereof in


                                      13

<PAGE>

accordance with the terms of the applicable Real Property Lease and
applicable law, and (v) the Company and its Subsidiaries own outright all of
the real and personal property (except for leased property or assets for
which it has a valid and enforceable right to use) which is reflected on the
Balance Sheet, except for property since sold or otherwise disposed of in the
ordinary course of business and consistent with past practice and except for
liens of record and other permitted liens.  The plant, property and equipment
of the Company and its Subsidiaries that are used in the operations of their
businesses are in good operating condition and repair, subject to ordinary
wear and tear, and, subject to normal maintenance, are available for use.

       3.11.  CERTAIN CONTRACTS.  Neither the Company nor any of its
Subsidiaries has breached, or received in writing any claim or notice that it
has breached, any of the terms or conditions of (i) any agreement, contract
or commitment required to be filed as an exhibit to the Company SEC Reports
(including any agreements, contracts or commitments entered into since
September 30, 1999 that will be required to be filed by the Company with the
SEC in any report), (ii) any agreements, contracts or commitments with
manufacturers, suppliers, sales representatives, distributors, OEM strategic
partners or customers of the Company pursuant to which the Company recognized
revenues or payments in excess of $500,000 for the twelve-month period ended
December 31, 1999, or (iii) any agreements, contracts or commitments
containing covenants that limit the ability of the Company or any of its
Subsidiaries to compete in any line of business or with any Person (as
defined in Section 8.5 hereof), or that include any exclusivity provision or
involve any restriction on the geographic area in which the Company or any of
its Subsidiaries may carry on its business (collectively, "COMPANY MATERIAL
CONTRACTS"), in such a manner as, individually or in the aggregate, has had
or would reasonably be expected to have a Company Material Adverse Effect.
Section 3.11 of the Company Disclosure Letter lists each Company Material
Contract described in clauses (ii) and (iii) of the preceding sentence.  Each
Company Material Contract that has not expired by its terms is in full force
and effect and is the legal, valid and binding obligation of the Company
and/or its Subsidiaries, enforceable against them in accordance with its
terms, subject to applicable bankruptcy, insolvency, reorganization,
moratorium and similar laws affecting creditors rights and remedies generally
and subject, as to enforceability, to general principles of equity
(regardless of whether enforcement is sought in a proceeding at law or in
equity), except where the failure of such Company Material Contract to be in
full force and effect or to be legal, valid, binding or enforceable against
the Company and/or its Subsidiaries has not had and would not, individually
or in the aggregate, reasonably be expected to have a Company Material
Adverse Effect. Except as set forth in Section 3.11 of the Company Disclosure
Letter, no consent, approval, waiver or authorization of, or notice to any
Person is needed in order that each such Company Material Contract shall
continue in full force and effect in accordance with its terms without
penalty, acceleration or rights of early termination by reason of the
consummation of the Merger and the other transactions contemplated by this
Agreement.

       3.12.  COMPLIANCE WITH LAW.  All activities of the Company and its
Subsidiaries have been, and are currently being, conducted in compliance in
all material respects with all applicable United States federal, state,
provincial and local and other foreign laws, ordinances, regulations,
interpretations, judgments, decrees, injunctions, permits, licenses,
certificates, governmental requirements, Orders and other similar items of
any court or other Governmental Entity or any


                                      14

<PAGE>

nongovernmental self-regulatory agency, and no notice has been received by
the Company or any Subsidiary of any claims filed against the Company or any
Subsidiary alleging a violation of any such laws, regulations or other
requirements which would be required to be disclosed in any Company SEC
Report or any New SEC Report (as defined in Section 5.20 hereof).  The
Company Stock Option Plans and the ESPP have been duly authorized, approved
and operated in compliance in all material respects with all applicable
securities, corporate and other laws of each jurisdiction in which
participants of such plans are located.  The Company and its Subsidiaries
have all permits, licenses and franchises from Governmental Entities required
to conduct their businesses as now being conducted (including, but not
limited to, permits issued under or pursuant to the Communications Act or the
rules or regulations of the FCC), except for such permits, licenses and
franchises the absence of which has not had and would not, individually or in
the aggregate, reasonably be expected to have a Company Material Adverse
Effect.

       3.13.  INTELLECTUAL PROPERTY RIGHTS; YEAR 2000.

              (a)    The Company and its Subsidiaries own, or are validly
licensed or otherwise possess legally enforceable rights to use, all patents,
trademarks, trade names, service marks, domain names and copyrights, any
applications for and registrations of such patents, trademarks, trade names,
service marks, domain names and copyrights, and all database rights, net
lists, processes, formulae, methods, schematics, technology, know-how,
computer software programs or applications and tangible or intangible
proprietary information or material that are necessary to conduct the
business of the Company and its Subsidiaries as currently conducted, or
presently planned to be conducted, except for such rights the absence of
which would not be reasonably expected to have a Company Material Adverse
Effect (the "COMPANY INTELLECTUAL PROPERTY RIGHTS").  The Company and its
Subsidiaries have taken all action reasonably necessary to protect the
Company Intellectual Property Rights which is customary in the industry,
including without limitation, use of reasonable secrecy measures to protect
the trade secrets included in the Company Intellectual Property Rights.

              (b)    The execution and delivery of this Agreement and
consummation of the transactions contemplated hereby will not result in the
breach of, or create on behalf of any third party the right to terminate or
modify, any license, sublicense or other agreement relating to the Company
Intellectual Property Rights, or any material licenses, sublicenses or other
agreements as to which the Company or any of its Subsidiaries is a party and
pursuant to which the Company or any of its Subsidiaries is authorized to use
any third party patents, trademarks, copyrights or trade secrets ("COMPANY
THIRD PARTY INTELLECTUAL PROPERTY RIGHTS"), including software that is used
in the manufacture of, incorporated in, or forms a part of any product sold
by or expected to be sold by the Company or any of its Subsidiaries, the
breach of which would, individually or in the aggregate, be reasonably likely
to have a Company Material Adverse Effect.  The Company Disclosure Letter,
under the caption referencing this Section 3.13, lists all royalties, license
fees, sublicense fees or similar obligations reasonably expected to have a
value in excess of $500,000 per year payable by the Company or any Subsidiary
for any Company Third Party Intellectual Property Rights that are used in the
manufacture of, incorporated in, or forms a part of any product sold by or
expected to be sold by the Company or any of its Subsidiaries.


                                      15

<PAGE>

              (c)    All patents, registered trademarks, service marks,
domain names and copyrights which are held by the Company or any of its
Subsidiaries, the loss or invalidity of which would reasonably be expected to
cause a Company Material Adverse Effect, are valid and subsisting.  The
Company (i) has not been sued in any suit, action or proceeding, or received
in writing any claim or notice, which involves a claim of infringement or
misappropriation of any patents, trademarks, service marks, domain names,
copyrights or violation of any trade secret or other proprietary right of any
third party; and (ii) has no Knowledge that the manufacturing, marketing,
licensing or sale of its products or services infringe upon, misappropriate
or otherwise come into conflict with any patent, trademark, service mark,
copyright, trade secret or other proprietary right of any third party, which
infringement, misappropriation or conflict in the cases of clause (i) and
(ii) would, individually or in the aggregate, reasonably be expected to have
a Company Material Adverse Effect.  To the Knowledge of the Company, no other
Person has interfered with, infringed upon, or otherwise come into conflict
with any Company Intellectual Property Rights or other proprietary
information of the Company or any of its Subsidiaries which has or would,
individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect.

              (d)    Each employee, agent, consultant or contractor who has
materially contributed to or participated in the creation or development of
any copyrightable, patentable or trade secret material on behalf of the
Company, any of its Subsidiaries or any predecessor in interest thereto
either: (i) is a party to an agreement under which the Company or such
Subsidiary is deemed to be the original owner/author of all property rights
therein; or (ii) has executed an assignment or an agreement to assign in
favor of the Company, such Subsidiary or such predecessor in interest, as
applicable, all right, title and interest in such material.

              (e)    The Company and its Subsidiaries have experienced no
material disruption or interruption of their business or operations as a
result of or related to any of their information systems, data processing and
other hardware, software and other systems, facilities, programs and
procedures used or sold by the Company or any of its Subsidiaries
(collectively, "INFORMATION SYSTEMS") failing to be Y2K Compliant.  "Y2K
COMPLIANT" means, with respect to any Information System, that such
Information System (i) handles date information involving any and all dates
before, during and/or after January 1, 2000, including accepting input,
providing output and performing date calculations in whole or in part; (ii)
operates accurately without interruption on and in respect of any and all
dates before, during and/or after January 1, 2000 and without any change in
performance; (iii) responds to and processes two-digit year input without
creating any ambiguity as to the century; and (iv) stores and provides date
input information without creating any ambiguity as to the century, in each
case without utilizing bridges, gateways and the like while still preserving
the level of functionality, usability, reliability, efficiency, performance
and accessibility of such data and associated programs as existed prior to
any modification to such Information System and its constituent elements to
make the same Y2K Compliant.


                                      16

<PAGE>

       3.14.  TAXES.

              (a)    "TAX" or "TAXES" shall mean all United States federal,
state, provincial, local or foreign taxes and any other applicable duties,
levies, fees, charges and assessments that are in the nature of a tax,
including income, gross receipts, property, sales, use, license, excise,
franchise, ad valorem, value-added, transfer, social security payments, and
health taxes and any deductibles relating to wages, salaries and benefits and
payments to subcontractors for any jurisdiction in which the Company or any
of its Subsidiaries does business (to the extent required under applicable
Tax law), together with all interest, penalties and additions imposed with
respect to such amounts.

              (b)    Except as set forth in (or resulting from matters set
forth in) Section 3.14 of the Company Disclosure Letter or as could not,
individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect:

                     (i)    the Company and its Subsidiaries have prepared and
       timely filed with the appropriate governmental agencies all franchise,
       income and all other material Tax returns and reports required to be
       filed on or before the Effective Time (collectively "RETURNS"), taking
       into account any extension of time to file granted to or obtained on
       behalf of the Company and/or its Subsidiaries;

                     (ii)   all Taxes of the Company and its Subsidiaries shown
       on such Returns or otherwise known by the Company to be due or payable
       have been timely paid in full to the proper authorities, other than such
       Taxes as are being contested in good faith by appropriate proceedings or
       which are adequately reserved for in accordance with generally accepted
       accounting principles;

                     (iii)  all deficiencies resulting from Tax examinations of
       income, sales and franchise and all other material Returns filed by the
       Company and its Subsidiaries in any jurisdiction in which such Returns
       are required to be so filed have either been paid or are being contested
       in good faith by appropriate proceedings;

                     (iv)   no deficiency has been asserted or assessed against
       the Company or any of its Subsidiaries which has not been satisfied or
       otherwise resolved, and no examination of the Company or any of its
       Subsidiaries is pending or, to the Knowledge of the Company, threatened
       for any material amount of Tax by any taxing authority;

                     (v)    no extension of the period for assessment or
       collection of any material Tax is currently in effect and no extension of
       time within which to file any material Return has been requested, which
       Return has not since been filed;

                     (vi)   all Returns filed by the Company and its
       Subsidiaries are correct and complete or adequate reserves have been
       established with respect to any additional Taxes that may be due (or may
       become due) as a result of such Returns not being correct or complete;


                                      17

<PAGE>

                     (vii)  to the Knowledge of the Company, no Tax liens have
       been filed with respect to any Taxes;

                     (viii) neither the Company nor any of its Subsidiaries have
       made since January 1, 1997, and none will make, any voluntary adjustment
       by reason of a change in their accounting methods for any pre-Merger
       period;

                     (ix)   the Company and its Subsidiaries have made timely
       payments of the Taxes required to be deducted and withheld from the wages
       paid to their employees;

                     (x)    the Company and its Subsidiaries are not parties to
       any Tax sharing or Tax matters agreement;

                     (xi)   to the Knowledge of the Company, neither the Company
       nor any of its Subsidiaries is liable to suffer any recapture, clawback
       or withdrawal of any relief or exemption from Tax howsoever arising
       (including the entering into and the consummation of the Merger), and
       whether by virtue of any act or omission by the Company or any of its
       Subsidiaries or by any other person or persons; and

                     (xii)  to the Knowledge of the Company, neither the Company
       nor any of its Subsidiaries is liable to be assessed for or made
       accountable for any Tax for which any other person or persons may be
       liable to be assessed or made accountable whether by virtue of the
       entering into or the consummation of the Merger or by virtue of any act
       or acts done by or which may be done by or any circumstance or
       circumstances involving or which may involve any other person or persons.

              (c)    The Company and its Subsidiaries are not parties to any
agreement, contract, or arrangement that would, as a result of the
transactions contemplated hereby, result, separately or in the aggregate, in
(i) the payment of any "excess parachute payments" within the meaning of
Section 280G of the Code by reason of the Merger or (ii) the payment of any
form of compensation or reimbursement for any Tax incurred by any Person
arising under Section 280G of the Code.

       3.15.  EMPLOYEES.  Neither the Company nor any of its Subsidiaries is
a party to any collective bargaining agreement, arrangement or labor contract
with a labor union or labor organization, whether formal or otherwise.  The
Company Disclosure Letter, under the caption referencing this Section 3.15,
lists all employment, severance and change of control agreements (or any
other agreements that may result in the acceleration of outstanding options)
of the Company or its Subsidiaries.  Each of the Company and its Subsidiaries
is in compliance with all applicable laws (including, without limitation, all
applicable extension orders) respecting employment and employment practices,
terms and conditions of employment, equal opportunity, anti-discrimination
laws, and wages and hours, except where such noncompliance has not had and
would not, individually or in the aggregate, reasonably be expected to have,
a Company Material Adverse Effect.  There is no labor strike, slowdown or
stoppage pending (or, to the


                                      18

<PAGE>

Knowledge of the Company or any of its Subsidiaries, any unfair labor
practice complaints, labor disturbances or other controversies respecting
employment which are pending or threatened which, if they actually occurred,
would materially disrupt the operations of the Company or its Subsidiaries)
against the Company or any of its Subsidiaries.

       3.16.  EMPLOYEE BENEFIT PLANS.

              (a)    "ERISA" means the Employee Retirement Income Security
Act of 1974, as amended, and "PLAN" means every plan, fund, contract, program
and arrangement (whether written or not) which is maintained or contributed
to by the Company for the benefit of present or former employees or with
respect to which the Company otherwise has current or potential liability.
"Plan" includes any arrangement intended to provide: (i) medical, surgical,
health care, hospitalization, dental, vision, workers' compensation, life
insurance, death, disability, legal services, severance, sickness, accident,
or cafeteria plan benefits (whether or not defined in Section 3(1) of ERISA),
(ii) pension, profit sharing, stock bonus, retirement, supplemental
retirement or deferred compensation benefits (whether or not tax qualified
and whether or not defined in Section 3(2) of ERISA), (iii) bonus, incentive
compensation, stock option, stock appreciation right, phantom stock or stock
purchase benefits, change in control benefits or (iv) salary continuation,
unemployment, supplemental unemployment, termination pay, vacation or holiday
benefits (whether or not defined in Section 3(3) of ERISA). The Company
Disclosure Letter, under the caption referencing this Section 3.16(a), sets
forth all material Plans by name and brief description identifying: (i) the
type of Plan, including a specific reference to any Plan which provides
benefits (or increased benefits or vesting) as a result of a change in
control of the Company, and (ii) the participating employers in the Plan.

              (b)    To the extent required (either as a matter of law or to
obtain the intended tax treatment and tax benefits), all Plans comply with
the requirements of ERISA and the Code, except where such noncompliance has
not had and would not, individually or in the aggregate, reasonably be
expected to have, a Company Material Adverse Effect. With respect to the
Plans, (i) all required contributions which are due have been made and an
accrual required by generally accepted accounting principles has been made on
the books and records of the Company for all future contribution obligations;
(ii) there are no actions, suits or claims pending, other than routine
uncontested claims for benefits; and (iii) there have been no nonexempt
prohibited transactions (as defined in Section 406 of ERISA or Section 4975
of the Code), except for such transactions, if any, which have not had and
would not, individually or in the aggregate, reasonably be expected to have,
a Company Material Adverse Effect.  Except as otherwise disclosed in the
Company Disclosure Letter under the caption referencing this Section 3.16(b),
all benefits under the Plans (other than Code Section 125 cafeteria plans)
are payable either through a fully-funded trust or an insurance contract and
no welfare benefit Plan (as defined in Section 3(1) of ERISA) is self-funded.

              (c)    Parent has received true and complete copies of (i) all
Plan documents, including related trust agreements or funding arrangements;
(ii) the most recent determination letter, if any, received by the Company
from the Internal Revenue Service (the "IRS") regarding the Plans and any
amendment to any Plan made subsequent to any Plan amendments covered by


                                      19

<PAGE>

any such determination letter; (iii) the most recent financial statements for
the Plans, if any; (iv) the most recently prepared actuarial valuation
reports, if any; (v) current summary plan descriptions; (vi) annual
returns/reports on Form 5500 and summary annual reports for each of the most
recent three plan years, and (vii) any filings with the IRS or the Department
of Labor ("DOL") within the last five years preceding the date of this
Agreement. To the knowledge of the Company, nothing has occurred that could
materially adversely affect the qualification of the Plans and their related
trusts.

              (d)    Except as set forth in Section 3.16 of the Company
Disclosure Letter, the Company does not maintain or contribute to (and has
never contributed to) any multi-employer plan, as defined in Section 3(37) of
ERISA. The Company has no actual or potential material liabilities under
Title IV of ERISA, including under Section 4201 of ERISA for any complete or
partial withdrawal from a multi-employer plan.

              (e)    The Company has no actual or potential material
liability for death or medical benefits after separation from employment,
other than (i) death benefits under the employee benefit plans or programs
(whether or not subject to ERISA) set forth in Section 3.16 of the Company
Disclosure Letter and (ii) health care continuation benefits described in
Section 4980B of the Code.

              (f)    Neither the Company nor any of its directors, officers,
employees or other "fiduciaries", as such term is defined in Section 3(21) of
ERISA, has committed any breach of fiduciary responsibility imposed by ERISA
or any other applicable law with respect to the Plans which would subject the
Company, Parent or any of their respective directors, officers or employees
to any liability under ERISA or any applicable law, except for such breaches,
if any, which have not had and would not, individual or in the aggregate,
reasonably be expected to have, a Company Material Adverse Effect.

              (g)    There are no other trades or businesses (other than
Subsidiaries of the Company), whether or not incorporated, which, together
with the Company, would be deemed to be a "single employer" within the
meaning of Code Sections 414(b), (c) or (m).

              (h)    Except with respect to Taxes on benefits paid or
provided, no Tax has been waived or excused, has been paid or is owed by any
person (including, but not limited to, any Plan, any Plan fiduciary or the
Company) with respect to the operations of, or any transactions with respect
to, any Plan which would, individually or in the aggregate, reasonably be
expected to have a Company Material Adverse Effect. No action has been taken
by the Company, nor has there been any failure by the Company to take any
action, nor is any action or failure to take action contemplated by the
Company (including all actions contemplated under this Agreement), that would
subject any person or entity to any liability or Tax imposed by the IRS or
DOL in connection with any Plan, except for such liability or Tax that has
not had and would not, individually or in the aggregate, reasonably be
expected to have a Company Material Adverse Effect.  No reserve for any Taxes
has been established with respect to any Plan by the Company nor has any
advice been given to the Company with respect to the need to establish


                                      20

<PAGE>

such a reserve, except for such reserves which would not, individually or in
the aggregate, reasonably be expected to have a Company Material Adverse
Effect.

              (i)    There are no (i) legal, administrative or other
proceedings or governmental investigations or audits, or (ii) complaints to
or by any Governmental Entity, which are pending, anticipated or, to the
Knowledge of the Company, threatened, against any Plan or its assets, or
against any Plan fiduciary or administrator, or against the Company or its
officers or employees with respect to any Plan which would, individually or
in the aggregate, reasonably be expected to have a Company Material Adverse
Effect.

              (j)    There are no leased employees, as defined in Section
414(n) of the Code, providing services to the Company, that must be taken
into account with respect to the requirements under Section 414(n)(3) of the
Code.

              (k)    Each Plan may be terminated directly or indirectly by
Parent and the Company, in their sole discretion, at any time before or after
the Effective Date in accordance with its terms, without causing the Parent
or the Company to incur any liability to any person, entity or government
agency for any conduct, practice or omission of the Company which occurred
prior to the Effective Date, except for liabilities to, and the rights of,
the employees thereunder accrued prior to the Effective Date, or if later,
the time of termination, and except for continuation rights required by the
Consolidated Omnibus Budget Reconciliation Act of 1985, as amended, or other
applicable law, reasonably expected to have a cost to the Company in excess
of $500,000.

       3.17.  ENVIRONMENTAL MATTERS.

              (a)    The Company and its Subsidiaries (i) have been in
compliance and are presently complying with all applicable health, safety and
Environmental Laws (defined below), and (ii) have obtained all material
permits, licenses and authorizations which are required under all applicable
health, safety and Environmental Laws and are in compliance in all material
respects with such permits, licenses and authorizations, except in each case
for such failure to comply or to obtain permits, licenses or authorizations
that would not, individually or in the aggregate, reasonably be expected to
have a Company Material Adverse Effect.  To the Knowledge of the Company, (i)
none of the real property owned by the Company or its Subsidiaries or the
Leased Real Property (including without limitation soils and surface and
ground waters) are contaminated with any Hazardous Materials in quantities
which require investigation or remediation under Environmental Laws, (ii)
neither the Company nor any of its Subsidiaries is liable for any off-site
contamination, and (iii) there is no environmental matter which could
reasonably be expected to expose the Company or any of its Subsidiaries to a
claim to clean-up any Hazardous Materials or otherwise to remedy any
pollution or damage at any of the properties utilized in the Company's
business under any Environmental Laws, that would, with respect to any of
(i), (ii) or (iii) above, be required to be disclosed in the Company SEC
Reports.


                                      21

<PAGE>

              (b)    For purposes of this Agreement, the term (i)
"ENVIRONMENTAL LAWS" means all applicable United States federal, state,
provincial, local and other foreign laws, rules, regulations, codes,
ordinances, orders, decrees, directives, permits, licenses and judgments
relating to pollution, contamination or protection of the environment
(including, without limitation, all applicable United States federal, state,
provincial, local and other foreign laws, rules, regulations, codes,
ordinances, orders, decrees, directives, permits, licenses and judgments
relating to Hazardous Materials in effect as of the date of this Agreement),
and (ii) "HAZARDOUS MATERIALS" means any dangerous, toxic or hazardous
pollutant, contaminant, chemical, waste, material or substance as defined in
or governed by any United States federal, state, provincial, local or other
foreign law, statute, code, ordinance, regulation, rule or other requirement
relating to such substance or otherwise relating to the environment or human
health or safety, including without limitation any waste, material,
substance, pollutant or contaminant that might cause any injury to human
health or safety or to the environment or might subject the Company or any of
its Subsidiaries to any imposition of costs or liability under any
Environmental Law.

       3.18.  INSURANCE.  The Company has made available to Parent copies of
all material policies of insurance and bonds in force on the date hereof
covering the businesses, properties and assets of the Company and its
Subsidiaries, and all such policies are currently in effect and all premiums
with respect thereto have been duly paid to date.  Except as disclosed in
Section 3.18 of the Company Disclosure Letter, there are no claims
outstanding under any insurance policy which could, individually or in the
aggregate, reasonably be expected to have a Company Material Adverse Effect
and, to the Knowledge of the Company or any of its Subsidiaries, neither the
Company nor any of its Subsidiaries has failed to give any notice or to
present any such claim with respect to its business under any such policy in
due and timely fashion, except where such failure would not, individually or
in the aggregate, reasonably be expected to have a Company Material Adverse
Effect.

       3.19.  FOREIGN CORRUPT PRACTICES ACT.  Neither the Company nor any of
its Subsidiaries (nor any person representing the Company or any of its
Subsidiaries) has at any time during the last five years (a) made any payment
in violation of the Foreign Corrupt Practices Act or similar laws of other
countries where the Company engages in business, or (b) made any payment to
any foreign, federal or state governmental officer or official, or other
person charged with similar public or quasi-public duties, other than
payments required or permitted by the laws of the United States or any
jurisdiction thereof.

       3.20.  EXPORT CONTROL LAWS.  The Company has conducted its export
transactions in accordance in all material respects with applicable
provisions of United States export control laws and regulations, including
but not limited to the Export Administration Act and implementing Export
Administration Regulations.

       3.21.  FINDERS OR BROKERS.  Except for such Persons as set forth in
Section 3.21 of the Company Disclosure Letter, whose fees will be paid by the
Company, none of the Company, the Subsidiaries of the Company, the Board of
Directors of the Company (the "COMPANY BOARD") or any member of the Company
Board has employed any agent, investment banker, broker, finder or
intermediary in connection with the transactions contemplated hereby who
might be entitled to a


                                      22

<PAGE>

fee or any commission in connection with the Merger or the other transactions
contemplated hereby.

       3.22.  BOARD RECOMMENDATION.  The Company Board has, at a meeting of
such Company Board duly held on February 20, 2000, approved and adopted this
Agreement, the Merger, the Company Option Agreement and the other
transactions contemplated hereby and thereby, declared the advisability of
the Merger and recommended that the stockholders of the Company approve the
Merger and the other transactions contemplated hereby, and has not as of the
date hereof rescinded or modified in any respect any of such actions.

       3.23.  VOTE REQUIRED.  The affirmative vote of the holders of a
majority of the shares of Company Common Stock outstanding on the record date
set for the Company Stockholders Meeting (as defined in Section 3.27 hereof)
is the only vote of the holders of any of the Company's capital stock
necessary to approve this Agreement and the transactions contemplated hereby.

       3.24.  OPINION OF FINANCIAL ADVISOR.  The Company has received the
opinion of Broadview International LLC dated the date of the meeting of the
Company Board referenced in Section 3.22 above, to the effect that, as of
such date, the Exchange Ratio is fair, from a financial point of view, to the
holders of Company Common Stock.

       3.25.  TAX MATTERS.  Neither the Company nor, to its Knowledge, any of
its affiliates has taken or agreed to take any action, or knows of any
circumstances, that (without regard to any action taken or agreed to be taken
by Parent or any of its affiliates) would prevent the business combination to
be effected by the Merger from constituting a transaction qualifying as a
reorganization within the meaning of Section 368 of the Code.

       3.26.  STATE TAKEOVER STATUTES; RIGHTS AGREEMENT.  The Company Board
has taken all actions so that the restrictions contained in Section 203 of
the DGCL applicable to a "business combination" (as defined in Section 203 of
the DGCL) will not apply to the execution, delivery of performance of this
Agreement or the Company Option Agreement or the consummation of the Merger
or the other transactions contemplated by this Agreement or by the Company
Option Agreement. The Company has taken all actions and completed all
amendments, if any, necessary or appropriate so that (a) the Rights
Agreement, dated as of December 3, 1998, between the Company and U.S. Stock
Transfer Corp. (the "COMPANY RIGHTS AGREEMENT"), is inapplicable to the
transactions contemplated by this Agreement or the Company Option Agreement,
and (b) the execution of this Agreement or the Company Option Agreement and
the consummation of the transactions contemplated hereby or thereby, do not
and will not (i) result in Parent being an "Acquiring Person" (as such term
is defined in the Company Rights Agreement), (ii) result in the ability of
any person to exercise any Rights under the Company Rights Agreement, (iii)
enable or require the "Rights" (as such term is defined in the Company Rights
Agreement) to separate from the shares of Company Common Stock to which they
are attached or to be triggered or become exercisable, or (iv) otherwise
result in the occurrence of a "Distribution Date" or "Shares Acquisition
Date" (as such terms are defined in the Company Rights Agreement).


                                      23

<PAGE>



       3.27.  REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS.  The
information supplied by the Company for inclusion in the registration statement
on Form S-4 (or such other or successor form as shall be appropriate) pursuant
to which the shares of Parent Common Stock to be issued in the Merger will be
registered with the SEC (the "REGISTRATION STATEMENT") shall not at the time the
Registration Statement (including any amendments or supplements thereto) is
declared effective by the SEC contain any untrue statement of a material fact or
omit to state any material fact required to be stated therein or necessary in
order to make the statements therein, in light of the circumstances under which
they were made, not misleading.  The information supplied by the Company for
inclusion in the proxy statement/prospectus to be sent to the stockholders of
Company in connection with the meeting of Company's stockholders to consider the
Merger (the "COMPANY STOCKHOLDERS MEETING") (such proxy statement/prospectus as
amended or supplemented is referred to herein as the "PROXY
STATEMENT/PROSPECTUS") shall not, on the date the Proxy Statement/Prospectus is
first mailed to Company's stockholders, at the time of the Company Stockholders
Meeting and at the Effective Time, contain any statement which, at such time, is
false or misleading with respect to any material fact, or omit to state any
material fact necessary in order to make the statements made therein, in light
of the circumstances under which they are made, not false or misleading; or omit
to state any material fact necessary to correct any statement in any earlier
communication with respect to the solicitation of proxies for the Company
Stockholders Meeting which has become false or misleading.  If at any time prior
to the Effective Time any event or information should be discovered by the
Company which should be set forth in an amendment to the Registration Statement
or a supplement to the Proxy Statement/Prospectus, the Company shall promptly
inform Parent.  Notwithstanding the foregoing, the Company makes no
representation, warranty or covenant with respect to any information supplied by
Parent or Merger Sub which is contained in any of the foregoing documents.

       3.28   FIRST QUARTER PERFORMANCE.  The Company has no Knowledge of any
events, circumstances or other information that would cause the Company not to
achieve substantially the internal projections of financial performance (other
than fees and expenses relating to this Agreement or the transactions
contemplated hereby) for the Company's first fiscal quarter (ending March 31,
2000) previously delivered to Parent.


                                     ARTICLE IV

              REPRESENTATIONS AND WARRANTIES OF MERGER SUB AND PARENT

       Merger Sub and Parent represent and warrant to the Company that the
statements contained in this Article IV are true and correct:

       4.1.   ORGANIZATION AND QUALIFICATION.  Parent is a corporation duly
organized, validly existing and in good standing under the laws of the State of
Minnesota, with the corporate power and authority to own, lease and operate its
properties and to carry on its business as now being conducted.  Merger Sub is a
corporation validly existing and in good standing under the laws of the State of
Delaware.  Each of Merger Sub and Parent is duly qualified or licensed to carry
on its business as it is now being conducted, and is qualified to conduct
business, in each jurisdiction


                                      24

<PAGE>

where the character of its properties owned or leased or the nature of its
activities makes such qualification necessary, except for failures to be so
qualified that would not, individually or in the aggregate, have, or would
not reasonably be expected to have, a Parent Material Adverse Effect (as
defined below).  Neither Parent nor Merger Sub is in violation of any of the
provisions of its Charter Document or its Governing Document.  As used in
this Agreement, the term "PARENT MATERIAL ADVERSE EFFECT" means any change,
effect, event or condition that (i) has a material adverse effect on the
assets, business, results of operations or financial condition of Parent and
its Subsidiaries, taken as a whole (other than any such change, effect, event
or condition that arises from: (A) changes in general economic conditions,
except to the extent such changes disproportionately affect Parent and its
Subsidiaries, taken as a whole; or (B) changes in the market price of Parent
Common Stock, in and of itself and not specifically related to any breach by
Parent of any representation, warranty or covenant hereunder), or (ii) would
prevent or materially delay Merger Sub's or Parent's ability to consummate
the transactions contemplated hereby.

       4.2.   CAPITALIZATION.  The authorized capital stock of Parent consists
of 600,000,000 shares of Parent Common Stock and 10,000,000 shares of preferred
stock, no par value (the "PARENT PREFERRED STOCK").  As of the close of business
on February 18, 2000 (the "PARENT MEASUREMENT DATE"), (a) 303,334,825 shares of
Parent Common Stock were issued and outstanding, (b) no shares of Parent
Preferred Stock were issued and outstanding, (c) 69,355,717 shares of Parent
Common Stock were reserved for issuance under the stock-based benefit plans of
the Parent (the "PARENT STOCK PLANS"), (d) options to purchase 40,499,483 shares
of Parent Common Stock in the aggregate had been granted and remained
outstanding under the Parent Stock Plans, and (e) except for the options, rights
to acquire shares of Parent Common Stock under Parent's Employee Stock Purchase
Plan (the "PARENT ESPP") and rights to acquire shares of Parent Common Stock
pursuant to the Second Amended and Restated Rights Agreement, dated as of
November 28, 1995, as amended, between Parent and Norwest Bank, Minnesota,
National Association (the "PARENT SRP PLAN"), there were no outstanding Parental
Rights (as defined below).  Since the Parent Measurement Date, no additional
shares of Parent Common Stock have been issued and are outstanding, except
pursuant to the exercise of options and the Parent ESPP, and no Parental Rights
have been granted (other than additional Parent SRP Rights issued upon the
issuance of shares of Parent Common Stock).  All issued and outstanding shares
of Parent Common Stock are duly authorized, validly issued, fully paid,
nonassessable and free of preemptive rights created by the Minnesota Business
Corporation Act or Parent's Charter Document or Governing Document, or any other
agreement with the Company.  There are not at the date of this Agreement any
existing options, warrants, calls, subscriptions, convertible securities or
other rights which obligate Parent or any of its Subsidiaries to issue,
exchange, transfer or sell any shares of capital stock of Parent or any of its
Subsidiaries, other than shares of Parent Common Stock issuable under the Parent
Stock Plans and the Parent ESPP, or awards granted pursuant thereto, and other
than Parent SRP Rights issued upon the issuance of additional shares of Parent
Common Stock (collectively, "PARENTAL RIGHTS").


                                      25

<PAGE>


       4.3.   AUTHORITY RELATIVE TO THIS AGREEMENT.  Each of Parent and Merger
Sub has the requisite corporate power and authority to execute and deliver, and
to perform its obligations under, this Agreement and the Company Option
Agreement, under applicable law.  The execution and delivery by Parent and
Merger Sub of this Agreement and the Company Option Agreement, and the
consummation of the Merger and the transactions contemplated hereby and thereby,
have been duly and validly authorized by all necessary corporate action on the
part of Parent and Merger Sub.  This Agreement and the Company Option Agreement
have been duly and validly executed and delivered by Parent and Merger Sub and,
assuming the due authorization, execution and delivery of this Agreement and the
Company Option Agreement by the Company, is a valid and binding obligation of
Parent and Merger Sub, enforceable against them in accordance with its terms,
except to the extent that its enforceability may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium or other laws affecting the
enforcement of creditors rights generally or by general equitable principles.
The shares of Parent Common Stock to be issued by Parent pursuant to the Merger,
as well as the Parent Options and the shares of Parent Common Stock to be issued
upon exercise thereof: (i) have been duly authorized, and, when issued in
accordance with the terms of the Merger and this Agreement (or the applicable
option agreements), will be validly issued, fully paid and nonassessable and
will not be subject to preemptive rights, (ii) will, when issued in accordance
with the terms of the Merger and this Agreement (or the applicable option
agreements), be registered under the Securities Act, and registered or exempt
from registration under applicable United States "Blue Sky" laws and (iii) will,
when issued in accordance with the terms of the Merger and this Agreement (or
the applicable option agreements), be listed on the Nasdaq National Market.

       4.4.   NO CONFLICTS; REQUIRED FILINGS AND CONSENTS.

              (a)    Neither the execution, delivery or performance of this
Agreement by Merger Sub or Parent, nor the consummation of the transactions
contemplated hereby, nor compliance by Merger Sub or Parent with any provision
hereof will (i) conflict with or result in a breach of any provision of the
Charter Documents or Governing Documents of Merger Sub or Parent, (ii) cause a
default or give rise to any right of termination, cancellation or acceleration
or loss of a material benefit under, or result in the creation of any lien,
charge or other encumbrance upon any of the properties of Merger Sub or Parent
under any of the terms, conditions or provisions of any note, bond, mortgage or
indenture, or any other material instrument, obligation or agreement to which
Merger Sub or Parent is a party or by which its properties or assets may be
bound or (iii) violate any law applicable to Merger Sub or Parent or binding
upon any of its properties, except for, in the case of clauses (ii) and (iii),
such defaults or violations which would not, individually or in the aggregate,
reasonably be expected to have a Parent Material Adverse Effect.

              (b)    No filing or registration with or notification to and no
permit, authorization, consent or approval of any Governmental Entity is
required to be obtained, made or given by Merger Sub or Parent in connection
with the execution and delivery of this Agreement or the consummation by Merger
Sub of the Merger or other transactions contemplated hereby except (i)  (A) in
connection with the applicable requirements of the HSR Act, (B) the filing of a
Registration Statement (defined in Section 5.3 hereof) with the SEC, in


                                      26


<PAGE>


accordance with the Securities Act, as further described in Section 5.3 hereof,
(C) in connection with the applicable requirements of the Fair Trading Act, (D)
in connection with the applicable requirements of the Investment Canada Act, (E)
in connection with the applicable requirements of the Competition Act, (Canada),
(F) in connection with the applicable requirements of the Brazilian Federal Law
No. 8884 of June 11, 1994 or (G) such consents, approvals, orders,
authorizations, registrations, declarations and filings as may be required under
applicable state securities laws and the laws of any country other than the
United States, or (ii) where the failure to obtain any such consents, approvals,
authorizations or permits, or to make such filings or notifications, would not,
individually or in the aggregate, reasonably be expected to have a Parent
Material Adverse Effect.

       4.5.   SEC FILINGS; FINANCIAL STATEMENTS.

              (a)    Parent has filed all forms, reports, schedules, statements
and other documents required to be filed by it since November 1, 1997 to the
date hereof (collectively, as supplemented and amended since the time of filing,
the "PARENT SEC REPORTS") with the SEC.  The Parent SEC Reports (i) were
prepared in all material respects with all applicable requirements of the
Securities Act and the Exchange Act, as the case may be, and (ii) did not at the
time they were filed contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary in order to
make the statements therein, in light of the circumstances under which they were
made, not misleading.  The representation in clause (ii) of the preceding
sentence does not apply to any misstatement or omission in any Parent SEC Report
filed prior to the date of this Agreement which was superseded by a subsequent
Parent SEC Report filed prior to the date of this Agreement.

              (b)    The audited consolidated financial statements and unaudited
consolidated interim financial statements of Parent and its Subsidiaries
included or incorporated by reference in such Parent SEC Reports have been
prepared in accordance with United States generally accepted accounting
principles applied on a consistent basis during the periods involved (except as
may otherwise be indicated in the notes thereto) and present fairly, in all
material respects, the financial position and results of operations and cash
flows of Parent and its Subsidiaries on a consolidated basis at the respective
dates and for the respective periods indicated (except, in the case of all such
financial statements that are interim financial statements, for normal year-end
adjustments).

              (c)    Neither Parent nor any of its Subsidiaries has any
liabilities or obligations of any nature, whether absolute, accrued, unmatured,
contingent or otherwise, whether due or to become due, known or unknown, or any
unsatisfied judgments or any leases of personalty or realty or unusual or
extraordinary commitments that are required to be disclosed under United States
generally accepted accounting principles, except (i) as set forth in the Parent
SEC Reports, (ii) the liabilities recorded on Parent's consolidated balance
sheet at October 31, 1999 included in the financial statements referred in
Section 4.5(a) hereof and the notes thereto, (iii) liabilities or obligations
incurred since October 31, 1999 (whether or not incurred in the ordinary course
of business and consistent with past practice) that would not, individually or
in the aggregate, reasonably be expected to have a Parent Material Adverse
Effect, or (iv) liabilities that would not


                                      27


<PAGE>


be required by United States generally accepted accounting principles to be
disclosed in financial statements or in the notes thereto and that would not,
individually or in the aggregate, reasonably be expected to have a Parent
Material Adverse Effect.

       4.6.   ABSENCE OF CHANGES OR EVENTS.  Except as set forth in the Parent
SEC Reports, since October 31, 1999 through the date of this Agreement, Parent
and its Subsidiaries have not incurred any liability or obligation that has
resulted or would reasonably likely be expected to result in a Parent Material
Adverse Effect, and there has not been any change in the business, financial
condition or results of operations of Parent or any of its Subsidiaries which
has had, or is reasonably expected to have, individually or in the aggregate, a
Parent Material Adverse Effect, and Parent and its Subsidiaries have conducted
their respective businesses in the ordinary course consistent with their past
practices.

       4.7.   LITIGATION.  Except as disclosed in the Parent SEC Reports, there
is no (i) claim, action, suit or proceeding pending or, to the Knowledge of
Parent, threatened against or relating to Parent or any of its Subsidiaries
before any Governmental Entity, or (ii) outstanding Orders, or application,
request or motion therefor, of any Governmental Entity in a proceeding to which
Parent, any Subsidiary of Parent or any of their respective assets was or is a
party except actions, suits, proceedings or Orders that, individually or in the
aggregate, has not had or would not reasonably be expected to have a Parent
Material Adverse Effect, and neither Parent nor any Subsidiary is in default in
any material respect with respect to any such Order.

       4.8.   COMPLIANCE WITH LAW.  All activities of Merger Sub and Parent have
been, and are currently being, conducted in compliance in all material respects
with all applicable United States federal, state and local and other foreign
laws, ordinances, regulations, interpretations, judgments, decrees, injunctions,
permits, licenses, certificates, governmental requirements, Orders and other
similar items of any court or other Governmental Entity or any nongovernmental
self-regulatory agency, and no notice has been received by Parent of any claims
filed against either Merger Sub or Parent alleging a violation of any such laws,
regulations or other requirements which would be required to be disclosed in the
Parent SEC Reports.  Merger Sub and Parent have all permits, licenses and
franchises from Governmental Entities required to conduct their businesses as
now being conducted, except for such permits, licenses and franchises the
absence of which would not, individually or in the aggregate, reasonably be
expected to have a Parent Material Adverse Effect.

       4.9.   FINDERS OR BROKERS.  Except for Lehman Brothers, whose fees will
be paid by Parent, none of Parent, Merger Sub, the other Subsidiaries of Parent,
the Boards of Directors of Parent and Merger Sub or any member of such Boards of
Directors has employed any agent, investment banker, broker, finder or
intermediary in connection with the transactions contemplated hereby who might
be entitled to a fee or any commission in connection with the Merger or the
other transactions contemplated hereby.

       4.10.  TAX MATTERS.  Neither Parent nor, to its Knowledge, any of its
affiliates has taken or agreed to take any action, or knows of any
circumstances, that (without regard to any action taken or agreed to be taken by
the Company or any of its affiliates) would prevent the business


                                      28


<PAGE>


combination to be effected by the Merger from constituting a transaction
qualifying as a reorganization within the meaning of Section 368 of the Code.

       4.11.  REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS.  The
information supplied by Parent and Merger Sub for inclusion in the Registration
Statement shall not, at the time the Registration Statement (including any
amendments or supplements thereto) is declared effective by the SEC, contain any
untrue statement of a material fact or omit to state any material fact necessary
in order to make the statements therein, in light of the circumstances under
which they were made, not misleading.  The information supplied by Parent for
inclusion in the Proxy Statement/Prospectus shall not, on the date the Proxy
Statement/Prospectus is first mailed to the Company's stockholders, at the time
of the Company Stockholders Meeting and at the Effective Time, contain any
statement which, at such time, is false or misleading with respect to any
material fact, or omit to state any material fact necessary in order to make the
statements therein, in light of the circumstances under which it is made, not
false or misleading; or omit to state any material fact necessary to correct any
statement in any earlier communication with respect to the solicitation of
proxies for the Company Stockholders Meeting which has become false or
misleading.  If at any time prior to the Effective Time any event or information
should be discovered by Parent or Merger Sub which should be set forth in an
amendment to the Registration Statement or a supplement to the Proxy
Statement/Prospectus, Parent or Merger Sub will promptly inform the Company.
Notwithstanding the foregoing, Parent and Merger Sub make no representation,
warranty or covenant with respect to any information supplied by the Company
which is contained in any of the foregoing documents.

                                     ARTICLE V

                              COVENANTS AND AGREEMENTS

       5.1.   CONDUCT OF BUSINESS OF THE COMPANY PENDING THE MERGER.  Except as
contemplated by this Agreement or as expressly agreed to in writing by Parent,
during the period from the date of this Agreement to the earlier of (i) the
termination of this Agreement or (ii) the Effective Time, each of the Company
and its Subsidiaries will conduct their respective operations according to its
ordinary course of business consistent with past practice, and will use
commercially reasonable efforts consistent with past practice and policies to
preserve intact its business organization, to keep available the services of its
officers and employees and to maintain satisfactory relationships with
suppliers, distributors, customers and others having business relationships with
it and will take no action which would adversely affect the ability of the
parties to consummate the transactions contemplated by this Agreement, or the
timing thereof.  Without limiting the generality of the foregoing, and except as
otherwise expressly provided in this Agreement, prior to the Effective Time, the
Company will not nor will it permit any of its Subsidiaries to, without the
prior written consent of Parent:

              (a)    amend any of its Charter Documents or Governing Documents;

              (b)    authorize for issuance, issue, sell, deliver, grant any
options, warrants, stock appreciation rights, or stock issuance rights for, or
otherwise agree or commit to issue, sell,


                                      29


<PAGE>


deliver, pledge, dispose of or otherwise encumber any shares of any class of
its share capital or any securities convertible into shares of any class of
its share capital, except (i) pursuant to and in accordance with the terms of
Company Options outstanding on the Company Measurement Date or granted
pursuant to clause (iii) below, (ii) pursuant to the ESPP (to the extent
shares of Company Common Stock have been paid for with payroll deductions),
or (iii) the grant of Company Options consistent with past practices to new
employees, which Company Options will represent the right to acquire no more
than 10,000 shares of Company Common Stock per new employee;

              (c)    subdivide, cancel, consolidate or reclassify any shares of
its share capital, issue or authorize the issuance of any other securities in
respect of, in lieu of or in substitution for shares of its share capital,
declare, set aside or pay any dividend or other distribution (whether in cash,
shares or property or any combination thereof) in respect of its share capital
or purchase, redeem or otherwise acquire any shares of its own share capital or
of any of its Subsidiaries, except as otherwise expressly provided in this
Agreement;

              (d)    (i) incur or assume any long-term or short-term debt or
issue any debt securities except for borrowings under existing lines of credit
in the ordinary course of business consistent with past practice; (ii) assume,
guarantee, endorse or otherwise become liable or responsible (whether directly,
contingently or otherwise) for the material obligations of any other person
(other than Subsidiaries of the Company); or (iii) make any material loans,
advances or capital contributions to, or investments in, any other person (other
than to Subsidiaries of the Company), except as set forth in Section 5.1(d) of
the Company Disclosure Letter or pursuant to existing commitment, all of which
commitments are disclosed in Section 5.1(d) of the Company Disclosure Letter;

              (e)    except as otherwise expressly contemplated by this
Agreement, (i) increase in any manner the compensation of (A) any employee who
is not an officer of the Company or any Subsidiary (a "NONEXECUTIVE EMPLOYEE"),
except in the ordinary course of business consistent with past practice or (B)
any of its directors or officers, except in the ordinary course of business,
consistent with past practice, after consultation with Parent, (ii) pay or agree
to pay any pension, retirement allowance or other employee benefit not required,
or enter into, amend or agree to enter into or amend any agreement or
arrangement with any such director or officer or employee, whether past or
present, relating to any such pension, retirement allowance or other employee
benefit, except as required to comply with law or under currently existing
agreements, plans or arrangements or with respect to NonExecutive Employees, in
the ordinary course of business consistent with past practice; (iii) grant any
rights to receive any severance or termination pay to, or enter into or amend
any employment or severance agreement with, any employee or any of its directors
or officers, except as required by applicable law or with respect to severance
or termination pay to NonExecutive Employees in the ordinary course of business,
consistent with past practices; or (iv) except as may be required to comply with
applicable law, become obligated (other than pursuant to any new or renewed
collective bargaining agreement) under any new pension plan, welfare plan,
multiemployer plan, employee benefit plan, benefit arrangement, or similar plan
or arrangement, which was not in existence on the date hereof, including any
bonus, incentive, deferred compensation, share purchase, share option, share


                                      30
<PAGE>


appreciation right, group insurance, severance pay, retirement or other benefit
plan, agreement or arrangement, or employment or consulting agreement with or
for the benefit of any person, or amend any of such plans or any of such
agreements in existence on the date hereof; PROVIDED, HOWEVER, that this clause
(iv) shall not prohibit the Company from renewing any such plan, agreement or
arrangement already in existence on terms no more favorable to the parties to
such plan, agreement or arrangement;

              (f)    except as otherwise expressly contemplated by this
Agreement, enter into, amend in any material respect or terminate any Company
Material Contracts other than in the ordinary course of business consistent with
past practice;

              (g)    sell, lease, license, mortgage or dispose of any of its
properties or assets, other than (i) transactions in the ordinary course of
business consistent with past practice, (ii) sales of assets, for the fair
market value thereof, which sales do not individually or in the aggregate exceed
$1,000,000, (iii) as may be required or contemplated by this Agreement or
(iv) as set forth in Section 5.1(g) of the Company Disclosure Letter;

              (h)    except as otherwise contemplated by the Merger, acquire or
agree to acquire by merging or consolidating with, or by purchasing a
substantial portion of the assets of or equity in, or by any other manner, any
business or any corporation, limited liability company, partnership, association
or other business organization or division thereof or otherwise acquire or agree
to acquire any assets, other than transactions set forth in Section 5.1(h) of
the Company Disclosure Letter the acquisition of assets that are in the ordinary
course of business consistent with past practice and not material to the Company
and its Subsidiaries taken as a whole;

              (i)    alter (through merger, liquidation, reorganization,
restructuring or in any fashion) the corporate structure or ownership of the
Company or any Subsidiary;

              (j)    authorize or commit to make any material capital
expenditures not reflected in the budget previously provided in writing by the
Company to Parent without the prior written consent of Parent, which consent
shall not be unreasonably withheld;

              (k)    make any change in the accounting methods or accounting
practices followed by the Company, except as required by generally accepted
accounting principles or applicable law;

              (l)    make any election under United States, Canadian, Brazilian,
U.K. or Swiss Tax law which would, individually or in the aggregate, reasonably
be expected to have a Company Material Adverse Effect;

              (m)    take any action that (without regard to any action taken or
agreed to be taken by Parent or any of its Affiliates) would prevent Parent from
accounting for the business combination to be effected by the Merger as a
pooling-of-interests;


                                      31


<PAGE>


              (n)    settle any action, suit, claim, investigation or proceeding
(legal, administrative or arbitrative) requiring a payment by the Company or its
Subsidiaries in excess of $500,000 without the consent of Parent, which consent
shall not be unreasonably withheld or delayed;

              (o)    pay, discharge or satisfy any claims, liabilities or
obligations (absolute, accrued, asserted or unasserted, contingent or
otherwise), other than the payment, discharge or satisfaction, in the ordinary
course of business consistent with past practice or in accordance with their
terms, of claims, liabilities or obligations reflected or reserved against in,
or contemplated by, the most recent financial statements (or the notes thereto)
of the Company included in the Company SEC Reports or incurred in the ordinary
course of business consistent with past practice; or

              (p)    authorize, recommend, propose, agree or announce an
intention to do any of the foregoing or enter into any contract, agreement,
commitment or arrangement to do any of the foregoing; PROVIDED, HOWEVER, that
nothing contained herein shall limit the ability of Parent to exercise its
rights under the Company Option Agreement; PROVIDED, FURTHER, that the Company
may continue to proceed with its proposed acquisition of assets, the terms and
conditions of which have been fully disclosed to Parent in Section 5.1 of the
Company Disclosure Letter, provided that the Company shall not close such
transaction without the prior approval of Parent, which approval shall not be
unreasonably withheld.

       5.2.   PREPARATION OF REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS;
BLUE SKY LAWS.  As promptly as practicable and no later than 20 business days
after the date hereof, Parent and the Company shall prepare, and Parent shall
file with the SEC, the Registration Statement, in which the Proxy
Statement/Prospectus will be included as part thereof.  Parent and the Company
shall use all commercially reasonable efforts to have such Registration
Statement declared effective under the Securities Act as promptly as practicable
after filing.  The Proxy Statement/Prospectus will, when prepared pursuant to
this Section 5.2 and mailed to the Company's stockholders, comply in all
material respects with the applicable requirements of the Exchange Act and the
Securities Act.  Each of Parent and the Company shall indemnify and hold
harmless the other from any obligations, claims or liabilities arising from any
statement supplied by such party for inclusion in the Registration Statement or
in the Proxy Statement/Prospectus which, at the time such statement was made, is
false or misleading with respect to any material fact, or omits to state any
material fact necessary in order to make the statement, in light of the
circumstances under which is was made, not false or misleading.  Subject to
Section 5.6, the Proxy Statement/Prospectus shall include the declaration of the
Company Board of the advisability of the Merger and its recommendation that the
Company's stockholders approve the Merger.  The Proxy Statement/Prospectus shall
be reviewed and approved by Parent and Parent's counsel prior to the mailing of
such Proxy Statement/Prospectus to the Company's stockholders.  Parent shall
also take any action required to be taken under any applicable provincial or
state securities laws (including "Blue Sky" laws) in connection with the
issuance of the Parent Common Stock in the Merger; PROVIDED, HOWEVER, that
neither Parent nor the Company shall be required to register or qualify as a
foreign corporation or to take any action that would subject it to service of
process in any jurisdiction where any such entity is not now so subject, except
as to


                                      32


<PAGE>

matters and transactions arising solely from the offer and sale of Parent
Common Stock or the Parent Options.

       5.3    MEETING OF STOCKHOLDERS.  The Company shall, promptly after the
date hereof, take all action necessary in accordance with the DGCL and its
Certificate of Incorporation and Bylaws to convene the Company Stockholders
Meeting within 45 days of the Registration Statement being declared effective by
the SEC, whether or not the Company Board determines at any time after the date
hereof that the Merger is no longer advisable.  The Company shall consult with
Parent regarding the date of the Company Stockholders Meeting.  Subject to
Section 5.2 and Section 5.6 hereof, the Company shall use commercially
reasonable efforts to solicit from stockholders of the Company proxies in favor
of the Merger and shall take all other commercially reasonable action necessary
or advisable to secure the vote or consent of stockholders required to effect
the Merger.

       5.4.   ADDITIONAL AGREEMENTS, COOPERATION.

              (a)    Subject to the terms and conditions herein provided, each
of the parties hereto agrees to use its best efforts to take, or cause to be
taken, all action and to do, or cause to be done, all things necessary, proper
or advisable to consummate and make effective as promptly as practicable the
transactions contemplated by this Agreement, and to cooperate, subject to
compliance with applicable law, with each other in connection with the
foregoing, including using its best efforts (i) to obtain all necessary waivers,
consents and approvals from other parties to loan agreements, material leases
and other material contracts, (ii) to obtain all necessary consents, approvals
and authorizations as are required to be obtained under any United States
federal or state, Canadian, Brazilian, United Kingdom, Swiss or other foreign
law or regulations, (iii) to defend all lawsuits or other legal proceedings
challenging this Agreement or the Company Option Agreement or the consummation
of the transactions contemplated hereby or thereby, (iv) to lift or rescind any
injunction or restraining order or other order adversely affecting the ability
of the parties to consummate the transactions contemplated hereby, (v) to effect
all necessary registrations and filings and submissions of information requested
by Governmental Entities, and (vi) to fulfill all conditions to this Agreement.

              (b)    Each of the parties hereto agrees, subject to compliance
with applicable law, to furnish to each other party hereto such necessary
information and reasonable assistance as such other party may request in
connection with its preparation of necessary filings or submissions to any
regulatory or governmental agency or authority, including, without limitation,
any filing necessary under the provisions of the HSR Act, the Communications
Act, the Exchange Act, the Securities Act or any other United States federal or
state, or foreign statute or regulation.  Each party hereto shall promptly
inform each other party of any material communication from the U.S. Federal
Trade Commission, the FCC or any other government or governmental authority
regarding any of the transactions contemplated thereby.

       5.5.   PUBLICITY.  Except as otherwise required by law or the rules of
any applicable securities exchange or the Nasdaq National Market, so long as
this Agreement is in effect, Parent and the Company will not, and will not
permit any of their respective affiliates or representatives


                                      33


<PAGE>

to, issue or cause the publication of any press release or make any other
public announcement with respect to the transactions contemplated by this
Agreement without the consent of the other party, which consent shall not be
unreasonably withheld or delayed. Parent and the Company will cooperate with
each other in the development and distribution of all press releases and
other public announcements with respect to this Agreement and the
transactions contemplated hereby, and will furnish the other with drafts of
any such releases and announcements as far in advance as possible.

       5.6.   NO SOLICITATION.

              (a)    Immediately upon execution of this Agreement, the Company
shall (and shall cause its officers, directors, employees, investment bankers,
attorneys and other agents or representatives to) cease all discussions,
negotiations, responses to inquiries (except as set forth in the proviso to this
sentence) and other communications relating to any potential business
combination with all third parties who, prior to the date hereof, may have
expressed or otherwise indicated any interest in pursuing an Acquisition
Proposal (as hereinafter defined) with the Company; PROVIDED that, if any such
inquiries are made after the date hereof, the Company shall respond by stating
that it is a party to a binding agreement with Parent and is prohibited thereby
from further responding to such inquiries.

              (b)    Prior to termination of this Agreement pursuant to
Article VII hereof, the Company and its Subsidiaries shall not, nor shall the
Company authorize or permit any officers, directors or employees of, or any
investment bankers, attorneys or other agents or representatives retained by or
acting on behalf of, the Company or any of its Subsidiaries to, (i) initiate,
solicit or encourage, directly or indirectly, any inquiries or the making of any
proposal that constitutes an Acquisition Proposal, (ii) except as permitted
below, engage or participate in negotiations or discussions with, or furnish any
information or data to, or take any other action to, facilitate any inquiries or
making any proposal by, any third party relating to an Acquisition Proposal, or
(iii) except as permitted below, enter into any agreement with respect to any
Acquisition Proposal or approve an Acquisition Proposal. Notwithstanding
anything to the contrary contained in this Section 5.6 or in any other provision
of this Agreement, prior to the Company Stockholders Meeting, the Company Board
may participate in discussions or negotiations with or furnish information to
any third party making an unsolicited Acquisition Proposal (a "POTENTIAL
ACQUIROR") or approve or recommend an unsolicited Acquisition Proposal if both
(A) a majority of the directors of the Company Board, without including
directors who may be considered Affiliates (as defined in Rule 405 under the
Securities Act) of any person making an Acquisition Proposal ("DISINTERESTED
DIRECTORS") determines in good faith, after receiving advice from its
independent financial advisor, that a Potential Acquiror has submitted to the
Company an Acquisition Proposal that is a Superior Proposal (as hereinafter
defined), and (B) a majority of the disinterested directors of the Company Board
determines in good faith, after receiving advice from reputable outside legal
counsel experienced in such matters (and the parties hereto agree that the law
firm of Stradling Yocca Carlson & Rauth is so experienced), that the failure to
participate in such discussions or negotiations or to furnish such information
or to approve or recommend such unsolicited Acquisition Proposal is inconsistent
with the Company Board's fiduciary duties under applicable law.  In the event
that the Company shall receive any


                                      34


<PAGE>


Acquisition Proposal, it shall promptly (and in no event later than 24 hours
after receipt thereof) furnish to Parent the identity of the recipient of the
Acquisition Proposal and of the Potential Acquiror, the terms of such
Acquisition Proposal, copies of all information requested by the Potential
Acquiror, and shall further promptly inform Parent in writing as to the fact
such information is to be provided after compliance with the terms of the
preceding sentence.  Nothing contained herein shall prevent the Company from
complying with Rules 14d-9 and 14e-2 promulgated under the Exchange Act with
regard to an Acquisition Proposal or making any disclosure to the Company's
stockholders if, in the good faith judgment of the Company Board, after
receiving advice from reputable outside legal counsel experienced in such
matters (and the parties hereto agree that the law firm of Stradling Yocca
Carlson & Rauth is so experienced), such disclosure is required by applicable
law.  Without limiting the foregoing, the Company understands and agrees that
any violation of the restrictions set forth in this Section 5.6(b) by the
Company or any of its Subsidiaries, or by any director or officer of the
Company or any of its Subsidiaries or any financial advisor, attorney or
other advisor or representative of the Company or any of its Subsidiaries,
whether or not such person is purporting to act on behalf of the Company or
any of its Subsidiaries or otherwise, shall be deemed to be a breach of this
Section 5.6(b) sufficient to enable Parent to terminate this Agreement
pursuant to Section 7.1(d)(i) hereof.

              (c)    For the purposes of this Agreement, "ACQUISITION PROPOSAL"
shall mean any proposal, whether in writing or otherwise, made by any person
other than Parent and its Subsidiaries to acquire "beneficial ownership" (as
defined under Rule 13(d) of the Exchange Act) of 20% or more of the assets of,
or 20% or more of the outstanding capital stock of any of the Company or its
Subsidiaries pursuant to a merger, consolidation, exchange of shares or other
business combination, sale of shares of capital stock, sales of assets, tender
offer or exchange offer or similar transaction involving the Company or its
Subsidiaries.

              (d)    The term "SUPERIOR PROPOSAL" means any BONA FIDE
Acquisition Proposal to acquire, directly or indirectly, for consideration
consisting of cash and/or securities, more than 50% of the Company Common Stock
then outstanding or all or substantially all the assets of the Company, and
otherwise on terms that a majority of the disinterested directors determines, in
good faith, to be more favorable to the Company and its stockholders than the
Merger (after receiving advice from the Company's independent financial advisor
that the Acquisition Proposal is more favorable to the Company's stockholders,
from a financial point of view, than the Merger) and for which financing, to the
extent required, is then committed.

       5.7.   ACCESS TO INFORMATION.  From the date of this Agreement until the
Effective Time, and upon reasonable notice, the Company will give Parent and its
authorized representatives (including counsel, other consultants, accountants
and auditors) reasonable access during normal business hours to all facilities,
personnel and operations and to all books and records of it and its
Subsidiaries, will permit Parent to make such inspections as it may reasonably
require, will cause its officers and those of its Subsidiaries to furnish Parent
with such financial and operating data and other information with respect to its
business and properties as Parent may from time to time reasonably request and
confer with Parent to keep it reasonably informed with respect to operational
and other business matters relating to the Company and its Subsidiaries and the
status


                                      35


<PAGE>

of satisfaction of conditions to the Closing.  All information obtained by
Parent pursuant to this Section 5.7 shall be kept confidential in accordance
with the Reciprocal Confidentiality Agreement, dated September 25, 1998,
between Parent and the Company.

       5.8.   NOTIFICATION OF CERTAIN MATTERS.  The Company or Parent, as the
case may be, shall promptly notify the other of (a) its obtaining of Knowledge
as to the matters set forth in clauses (i), (ii) and (iii) below, or (b) the
occurrence, or failure to occur, of any event, which occurrence or failure to
occur would be likely to cause (i) any representation or warranty contained in
this Agreement to be untrue or inaccurate in any material respect at any time
from the date hereof to the Effective Time, (ii) any material failure of the
Company or Parent, as the case may be, or of any officer, director, employee or
agent thereof, to comply with or satisfy any covenant, condition or agreement to
be complied with or satisfied by it under this Agreement or (iii) the
institution of any claim, suit, action or proceeding arising out of or related
to the Merger or the transactions contemplated hereby; PROVIDED, HOWEVER, that
no such notification shall affect the representations or warranties of the
parties or the conditions to the obligations of the parties hereunder.

       5.9.   RESIGNATION OF OFFICERS AND DIRECTORS.  At or prior to the
Effective Time, the Company shall deliver to Parent the resignations of such
officers and directors of the Company and shall use its best efforts to deliver
to Parent the resignations of such officers and directors of its Subsidiaries
(in each case, in their capacities as officers and directors, but not as
employees if any of such persons are employees of the Company or any Subsidiary)
as Parent shall specify, which resignations shall be effective at the Effective
Time and shall contain an acknowledgment that the relevant individual has no
outstanding claims for compensation for loss of office, redundancy, unfair
dismissal or otherwise, other than those claims specified on Section 5.9 of the
Company Disclosure Letter.

       5.10.  INDEMNIFICATION.

              (a)    As of the Effective Time and for a period of seven years
following the Effective Time, Parent will indemnify and hold harmless from and
against all claims, damages, losses, obligations or liabilities ("LOSSES") any
persons who were directors or officers of the Company or any Subsidiary prior to
the Effective Time (the "INDEMNIFIED PERSONS") to the fullest extent such person
could have been indemnified for such Losses under applicable law, under the
Governing Documents of the Company or any Subsidiary or under the
indemnification agreements listed on Schedule 5.10 (a true and accurate form of
which has been filed as Exhibit 10.27 to the Company's Form S-1) in effect
immediately prior to the date hereof, with respect to any act or failure to act
by any such Indemnified Person prior to the Effective Time.

              (b)    Any determination required to be made with respect to
whether an Indemnified Person's conduct complies with the standards set forth
under the DGCL or other applicable law shall be made by independent counsel
selected by Parent and reasonably acceptable to the Indemnified Persons.  Parent
shall pay such counsel's fees and expenses so long as the Indemnified Persons do
not challenge any such determination by such independent counsel).


                                      36


<PAGE>


              (c)    In the event that Parent or any of its successors or
assigns (i) consolidates with or merges into any other person, and Parent or
such successor or assign is not 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 case, proper
provision shall be made so that such person or the continuing or surviving
corporation assumes the obligations set forth in this Section 5.10 and none of
the actions described in clauses (i) and (ii) above shall be taken until such
provision is made.

              (d)    Parent shall maintain in effect for not less than five
years from the Effective Time the current policies of directors' and
officers' liability insurance maintained by the Company (provided that Parent
may substitute therefor policies of at least comparable coverage containing
terms and conditions which are no less advantageous to the Indemnified
Parties in all material respects so long as no lapse in coverage occurs as a
result of such substitution) with respect to all matters, including the
transactions contemplated hereby, occurring prior to, and including the
Effective Time; PROVIDED that, in the event that any Claim is asserted or
made within such five-year period, such insurance shall be continued in
respect of any such Claim until final disposition of any and all such Claims;
and PROVIDED, FURTHER, that Parent shall not be obligated to make annual
premium payments for such insurance to the extent such premiums exceed 150%
of the premiums paid as of the date hereof by the Company or any Subsidiary
for such insurance.  In such case, Parent shall purchase as much coverage as
possible for 150% of the premiums paid as of the date hereof for such
insurance, which coverage shall be at least as favorable as that provided by
Parent to its directors.

       5.11.  STOCKHOLDER LITIGATION.  The Company shall give Parent the
reasonable opportunity to participate in the defense of any stockholder
litigation against or in the name of the Company and/or its respective directors
relating to the transactions contemplated by this Agreement.

       5.12.  EMPLOYEE BENEFIT PLANS.

              (a)    401(k) PLAN.  Company shall take the following steps with
respect to the PR Taylor Multiple Employer 401(k) Plan:  (i) as soon as
administratively feasible after the parties have entered into this Agreement,
the Company shall cause its portion of such plan to be spun off and established
as a separate 401(k) Plan ("Spinoff 401(k) Plan"); (ii) the Company shall cause
its counsel to deliver, coincident with the spinoff, a written opinion that the
form of the Spinoff 401(k) Plan complies in all material respects with ERISA and
the Code; (iii) at least three days prior to the Effective Time, the Company
shall terminate the Spinoff 401(k) Plan pursuant to written resolutions, the
form and substance of which shall be satisfactory to Parent.  Individuals
employed by the Company at the Effective Time ("Company Employees") shall be
allowed to participate in Parent's 401(k) plan effective as of the first payroll
following the Effective Time; and all service with the Company shall be
considered service with Parent for purposes of determining eligibility, vesting,
and benefit accural (i.e., matching contributions) under Parent's 401(k) plan.
As soon as administratively feasible after assets are distributed from


                                      37


<PAGE>


the Spinoff 401(k) Plan, Company Employees shall be offered an opportunity to
roll their Spinoff 401(k) Plan account balances into Parent's 401(k) Plan.

              (b)    WELFARE PLANS.  Company Employees shall be eligible to
participate in Parent's short term disability plan, long term disability plan,
group life insurance plan, medical plan, dental plan, and section 125 cafeteria
plan as soon as administratively feasible after the Effective Time but in no
event later than January 1, 2001.  Prior to such time, Company Employees shall
remain eligible for Company's welfare plans, as applicable, and such plans will
not be amended or changed by Parent or Company.  Parent shall include service
and prior earnings with the Company for purposes of determining eligibility,
participation, and benefit accrual under its short term disability plan, group
life insurance plan medical plan, dental plan, and section 125 cafeteria plan.
Parent shall include such service for purposes of determing benefit eligibility
or participation in Parent's long term disability plan; however, such
participation shall be subject to the insurer's twelve month preexisting
condition exclusion.

              (c)    VACATION AND PTO.  Company Employees shall be eligible to
participate in Parent's vacation or PTO policy, as applicable, as soon as
administratively feasible after the Effective Time but in no event later than
January 1, 2001.  Prior to such date Company Employees shall remain eligible for
Company's vacation pay or sick pay policies, as applicable, and such plans or
policies will not be amended or changed by Parent or Company.  Parent shall
include service with the Company for purposes of determining eligility,
participation, and calculation of vacation pay, sick pay, or paid time off (PTO)
under Parent's vacation or PTO policy, as applicable.  Subject to the terms of
the Company plans or policies, each Company Employee will be entitled to carry
over all vacation days and sick leave acrued but unused as of the Effective
Time.

       5.13.  DETERMINATION OF OPTIONHOLDERS .  At least ten business days
before the Effective Time, the Company shall provide Parent with a true and
complete list of (a) the holders of Company Options, (b) the number of shares of
Company Common Stock subject to Company Options held by each such optionholder
and (c) the address of each such optionholder as set forth in the books and
records of the Company or any Subsidiary, following upon which there shall be no
additional grants of Company Options without Parent's prior consent.  From the
date such list is provided to Parent until the Effective Time, the Company shall
provide a daily option activity report to Parent containing such information as
Parent shall reasonably request.

       5.14.  PREPARATION OF TAX RETURNS.  The Company shall file (or cause to
be filed) at its own expense, on or prior to the due date thereof, all Returns
required to be filed on or before the Closing Date.  The Company shall provide
Parent with a copy of appropriate workpapers, schedules, drafts and final copies
of each foreign and domestic, federal, provincial and state income Tax return or
election of the Company (including returns of all Employee Benefit Plans) at
least ten days before filing such return or election and shall consult with
Parent with respect thereto prior to such filing.


                                      38
<PAGE>

       5.15.  POOLING AFFILIATES.

              (a)    Promptly following the date of this Agreement, the Company
shall deliver to Parent a list of names and addresses of those persons who are
affiliates within the meaning of Rule 145 of the rules and regulations
promulgated under the Securities Act or otherwise applicable SEC accounting
releases with respect to the Company (the "COMPANY POOLING AFFILIATES").  The
Company shall provide Parent such information and documents as Parent shall
reasonably request for purposes of reviewing such list.  The Company shall
deliver to Parent, on or prior to the Closing, an affiliate letter in the form
attached hereto as EXHIBIT D, executed by each of the Company Pooling Affiliates
identified in the foregoing list.  Parent shall be entitled to place legends as
specified in such affiliate letters on the certificates evidencing any of the
Parent Common Stock to be received by such Company Pooling Affiliates pursuant
to the terms of this Agreement, and to issue appropriate stop transfer
instructions to the transfer agent for the Parent Common Stock, consistent with
the terms of such letters.

              (b)    Parent shall procure, on or prior to the Effective Time, an
affiliate letter in the form attached hereto as EXHIBIT E, executed by
appropriate affiliates of Parent.

              (c)    For so long as resales of shares of Parent Common Stock
issued pursuant to the Merger are subject to the resale restrictions set forth
in Rule 145 under the Securities Act, Parent will use good faith efforts to
comply with Rule 144(c)(1) under the Securities Act.

       5.16.  POOLING ACTIONS.  Between the date of this Agreement and the
Effective Time, the parties will each take all actions reasonably necessary for
Parent to account for the business combination to be effected by the Merger as a
pooling of interests.

       5.17   TAX-FREE REORGANIZATION.  Parent and the Company shall each use
all commercially reasonable efforts to cause the Merger to qualify as a
reorganization within the meaning of Section 368(a) of the Code.  Neither Parent
nor the Company shall take or fail to take, or cause any third party to take or
fail to take, any action that would cause the Merger to fail to qualify as a
"reorganization" within the meaning of Section 368(a) of the Code.

       5.18.  SEC FILINGS; COMPLIANCE.  The Company and Parent shall each cause
the forms, reports, schedules, statements and other documents required to be
filed with the SEC by the Company and Parent, respectively, between the date of
this Agreement and the Effective Time (with respect to either the Company or
Parent, the "NEW SEC REPORTS") to be prepared in all material respects with all
applicable requirements of the Securities Act and the Exchange Act, as the case
may be, and such New SEC Reports will not at the time they are filed contain any
untrue statement of a material fact or omit to state any material fact required
to be stated therein or necessary in order to make the statements therein, in
light of the circumstances under which they are made, not misleading.

       5.19.  LISTING OF ADDITIONAL SHARES.  Prior to the Effective Time, Parent
shall file with the Nasdaq National Market a Notification Form for Listing of
Additional Shares with respect to the shares of Parent Common Stock to be issued
in the Merger.


                                      39


<PAGE>


       5.20.  RIGHTS AGREEMENT.  Prior to the Effective Time, the Company Board
shall not take any action in contravention of the actions required by Section
3.26 of this Agreement.

       5.21.  STOCK REPURCHASE PLAN.  As of the date of this Agreement, the
Company shall terminate its stock repurchase plan, if any.

                                     ARTICLE VI

                               CONDITIONS TO CLOSING

       6.1.   CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER.  The
respective obligation of each party to effect the Merger is subject to the
satisfaction or waiver on or prior to the Effective Date of the following
conditions:

              (a)    STOCKHOLDER APPROVAL.  This Agreement and the Merger shall
have been approved and adopted by the requisite vote of the stockholders of the
Company under the DGCL and the Company's Charter Document and Governing
Documents.

              (b)    GOVERNMENTAL ACTION; NO INJUNCTION OR RESTRAINTS.  No
action or proceeding shall be instituted by any Governmental Entity seeking to
prevent consummation of the Merger, asserting the illegality of the Merger or
this Agreement or seeking material damages directly arising out of the
transactions contemplated hereby which continues to be outstanding.  No
judgment, order, decree, statute, law, ordinance, rule or regulation entered,
enacted, promulgated, enforced or issued by any court or other Governmental
Entity of competent jurisdiction or other legal restraint or prohibition shall
be in effect (i) imposing or seeking to impose material sanctions, damages, or
liabilities directly arising out of the Merger on the Company or any of its
officers or directors; or (ii) preventing the consummation of the Merger.

              (c)    GOVERNMENTAL CONSENTS.  All necessary authorizations,
consents, orders or approvals of, or declarations or filings with, or expiration
or waiver of waiting periods imposed by, any Governmental Entity of any
applicable jurisdiction required for the consummation of the transactions
contemplated by this Agreement shall have been filed, expired or obtained, as to
which the failure to obtain, make or occur would have the effect of making the
Merger or this Agreement or any of the transactions contemplated hereby illegal
or which, individually or in the aggregate, would have a Parent Material Adverse
Effect (assuming the Merger had taken place), including, but not limited to:
the expiration or termination of the applicable waiting period, or any
extensions thereof, pursuant to the HSR Act.

       6.2.   CONDITIONS TO OBLIGATIONS OF PARENT.  The obligation of Parent to
effect the Merger is further subject to satisfaction or waiver of the following
conditions:

              (a)    REPRESENTATIONS AND WARRANTIES.  The representations and
warranties of the Company set forth herein shall be true and correct both when
made and at and as of the Effective Date, as if made at and as of such time
(except to the extent expressly made as of an


                                      40


<PAGE>

earlier date, in which case as of such date), except where the failure of
such representations and warranties to be so true and correct (without giving
effect to any limitation as to materiality or material adverse effect set
forth therein) does not have, and would not, individually or in the
aggregate, reasonably be expected to have, a Company Material Adverse Effect.

              (b)    PERFORMANCE OF OBLIGATIONS OF THE COMPANY.  The Company
shall have performed in all material respects all obligations required to be
performed by it under this Agreement at or prior to the Effective Date.

              (c)    NO MATERIAL ADVERSE EFFECT.  Since the date of this
Agreement, there has not been a Company Material Adverse Effect nor has there
been any change, event or condition that, with the passage of time, would
reasonably be expected to result in a Company Material Adverse Effect.  Without
limitation of the foregoing, (i) if (A) there has been any breach or
misrepresentation of the representation and warranty set forth in Section 3.28
hereof (with respect to the Company's first fiscal quarter 2000 financial
results) or (B) the Company fails to achieve the composite Wall Street research
analysts estimates for total consolidated revenue of at least $55,000,000,
Avidia product revenue of at least $5,000,000, and loss per share of no greater
than $0.03 per share for the Company's first fiscal quarter (ending March 31,
2000), then, such breach or misrepresentation or failure shall, in and of
itself, constitute a Company Material Adverse Effect for purposes of this
Section 6.2(c), and (ii) the termination of employment prior to the Effective
Time of more than 50% of the Avidia product engineers employed by the Company as
of the date hereof shall, in and of itself, be deemed to be a Company Material
Adverse Effect for purposes of this Section 6.2(c)).

              (d)    NO INJUNCTIONS OR RESTRAINTS.  No judgment, order, decree,
statute, law, ordinance, rule or regulation entered, enacted, promulgated,
enforced or issued by any court or other Governmental Entity of competent
jurisdiction or other legal restraint or prohibition shall be in effect (i)
imposing or seeking to impose material limitations on the ability of Parent to
acquire or hold or to exercise full rights of ownership of any securities of the
Company; (ii) imposing or seeking to impose material limitations on the ability
of Parent or its Affiliates to combine and operate the business and assets of
the Company; (iii) imposing or seeking to impose other material sanctions,
damages, or liabilities directly arising out of the Merger on Parent or any of
its officers or directors; or (iv) requiring or seeking to require divestiture
by Parent of any significant portion of the business, assets or property of the
Company or of Parent.

              (e)    DELIVERY OF CLOSING DOCUMENTS.  At or prior to the
Effective Time, the Company shall have delivered to Parent all of the following:

                     (i)    a certificate of the President and the Chief
       Financial Officer of the Company, dated as of the Effective Date, stating
       that the conditions precedent set forth in Sections 6.2(a), (b) and (c)
       hereof have been satisfied; and

                     (ii)   a copy of (A) the Certificate of Incorporation of
       the Company, dated as of a recent date, certified by the Secretary of
       State of the State of Delaware, and (B) the Bylaws of the Company and the
       resolutions of the Company Board and


                                      41


<PAGE>


       stockholders authorizing the Merger and the other transactions
       contemplated by this Agreement, certified by the Secretary of the
       Company.

              (f)    DIRECTOR AND OFFICER RESIGNATIONS.  Merger Sub shall have
received the resignation of the directors and officers of the Company as are
described in Section 5.9 hereof.

              (g)    KEY EMPLOYEE AGREEMENTS.  Four out of the five persons
identified in Section 6.2(g) of the Company Disclosure Letter shall have entered
into employment agreements with Parent, and such agreements shall be in full
force and effect, and none of such employees shall have indicated any intention
of not fulfilling his or her obligations thereunder.

              (h)    POOLING LETTERS.  Parent and the Company shall have
received the letters described in the third Recital to this Agreement from
Deloitte & Touche LLP and Arthur Andersen LLP and such letters shall not have
been withdrawn, modified or qualified in any material respect as of the
Effective Time, as certified by Deloitte & Touche LLP and Arthur Andersen LLP,
respectively, in a writing addressed to their respective addresses and dated as
of the Effective Date, and Parent shall have received the letter of Arthur
Andersen LLP, addressed to Parent and dated as of the Effective Date, stating
that, in reliance on the letter and the certificate of Deloitte & Touche LLP
described in this paragraph (h) and based on its familiarity with Parent, the
Merger will qualify as a pooling-of-interests transaction under Opinion 16.

              (i)    COMPANY AFFILIATE LETTERS.  Parent shall have received all
of the letters described in Section 5.15(a) hereof executed by each of the
Company Pooling Affiliates.

              (j)    EMPLOYEES.  From the list of employees identified by the
Company on Annex F to Section 3.15 of the Company Disclosure Letter as having
change of control agreements in place as of the date hereof, Parent shall
specify thirty (30) of such employees who will be offered positions by Parent
providing equal or better duties, responsibilities and base compensation, of
whom at least twenty-two (22) shall have executed and delivered to Parent
waivers of certain terms of such change of control agreements to the
satisfaction of Parent as specified below, and such waivers shall not have been
in any way amended or rescinded; such waivers shall include (i) a waiver of all
change in control benefits provided in Part Two of such agreements, other than
the accelerated vesting provisions set forth in Section 1 of Part Two, PROVIDED
that such employees acknowledge that the position and duties as may be initially
assigned to them immediately following the Effective Time by Parent do not
represent a material reduction in the position, duties, responsibilities and
management reporting relationships that such employees had when employed at the
Company for purposes of determining Involuntary Termination as defined in such
change of control agreements, and (ii) an irrevocable waiver of the second
paragraph of the introduction of Part Two of such agreements.

       6.3.   CONDITIONS TO OBLIGATIONS OF THE COMPANY.  The obligation of the
Company to effect the Merger is further subject to satisfaction or waiver of the
following conditions:

              (a)    REPRESENTATIONS AND WARRANTIES.  The representations and
warranties of Parent and Merger Sub set forth herein shall be true and correct
both when made and at and as of


                                      42


<PAGE>


the Effective Date, as if made at and as of such time (except to the extent
expressly made as of an earlier date, in which case as of such date), except
where the failure of such representations and warranties to be so true and
correct (without giving effect to any limitation as to materiality or
material adverse effect set forth therein) does not have, and would not,
individually or in the aggregate, reasonably be expected to have a Parent
Material Adverse Effect.

              (b)    PERFORMANCE OF OBLIGATIONS OF PARENT.  Parent shall have
performed in all material respects all obligations required to be performed by
it under this Agreement at or prior to the Effective Date.

              (c)    DELIVERY OF CLOSING DOCUMENTS.  At or prior to the
Effective Time, the Parent shall have delivered to the Company a certificate of
the President and the Chief Financial Officer of Parent, dated as of the
Effective Date, stating that the conditions precedent set forth in Sections
6.3(a) and (b) hereof have been satisfied.

              (d)    TAX OPINION.  The Company shall have received the opinion
of Stradling Yocca Carlson & Rauth, counsel to the Company, in form and
substance satisfactory to the Company, to the effect that the Merger will be
treated for U.S. federal income tax purposes as a reorganization within the
meaning of Section 368(a) of the Code; PROVIDED that, if Stradling Yocca Carlson
& Rauth does not render such opinion, this condition shall nonetheless be deemed
satisfied if Dorsey & Whitney LLP renders such opinion to the Company (it being
agreed that Parent and the Company shall each provide reasonable cooperation,
including making reasonable representations, to Stradling Yocca Carlson & Rauth
or Dorsey & Whitney LLP, as the case may be, to enable them to render such
opinion).

              (e)    NO PARENT MATERIAL ADVERSE EFFECT.  Since the date of this
Agreement, there has not been a Parent Material Adverse Effect nor has there
been any change, event or condition that, with the passage of time, would
reasonably be expected to result in a Parent Material Adverse Effect.

                                    ARTICLE VII

                                    TERMINATION

       7.1.   TERMINATION.  This Agreement may be terminated at any time prior
to the Effective Time, whether before or after approval of the Merger by the
Company's stockholders:

              (a)    by mutual written consent of the Company and Parent (on
behalf of Parent and Merger Sub);


                                      43


<PAGE>


              (b)    by either the Company or Parent (on behalf of Parent and
Merger Sub):

                     (i)    if the Merger shall not have been completed by
       August 31, 2000; PROVIDED, HOWEVER, that the right to terminate this
       Agreement pursuant to this Section 7.1(b)(i) shall not be available to
       any party whose failure to perform any of its obligations under this
       Agreement results in the failure of the Merger to be consummated by such
       time;

                     (ii)   if stockholder approval shall not have been obtained
       at the Company Stockholders Meeting duly convened therefor or at any
       adjournment or postponement thereof; PROVIDED, HOWEVER, that the right to
       terminate this Agreement pursuant to this Section 7.1(b)(ii) shall not be
       available to any party whose failure to perform any of its obligations
       under this Agreement results in the failure to obtain stockholder
       approval.

                     (iii)  if any restraint having any of the effects set forth
       in Section 6.1(b) or Section 6.2(d) hereof shall be in effect and shall
       have become final and nonappealable; PROVIDED, HOWEVER, that the right to
       terminate this Agreement pursuant to this Section 7.1(b)(iii) shall not
       be available to any party whose failure to perform any of its obligations
       under this Agreement results in such restraint to continue in effect; or

                     (iv)   if the Company enters into a merger, acquisition or
       other agreement (including an agreement in principle) or understanding to
       effect a Superior Proposal or the Company Board or a committee thereof
       resolves to do so; PROVIDED, HOWEVER, that the Company may not terminate
       this Agreement pursuant to this Section 7.1(b)(iv) unless (a) the Company
       has delivered to Parent and Merger Sub a written notice of the Company's
       intent to enter into such an agreement to effect such Acquisition
       Proposal, which notice shall include, without limitation, the material
       terms and conditions of the Acquisition Proposal and the identity of the
       Person making the Acquisition Proposal, (b) three business days have
       elapsed following delivery to Parent and Merger Sub of such written
       notice by the Company and (c) during such three-business-day period, the
       Company has fully cooperated with Parent and Merger Sub to allow Parent
       and Merger Sub within such three-business-day period to propose
       amendments to the terms of this Agreement to be at least as favorable as
       the Superior Proposal; PROVIDED, FURTHER, that the Company may not
       terminate this Agreement pursuant to this Section 7.1(b)(iv) unless, at
       the end of such three-business-day-period, the Company Board continues
       reasonably to believe that the Acquisition Proposal constitutes a
       Superior Proposal;

              (c)    by the Company, if Parent or Merger Sub shall have breached
any of its representations and warranties contained in Article IV hereof which
breach has or is reasonably likely to have a Parent Material Adverse Effect or
Parent or Merger Sub shall have breached or failed to perform in any material
respect any of its covenants or other agreements contained in


                                      44
<PAGE>


this Agreement, in each case, which breach or failure to perform has not been
cured by Parent or Merger Sub within thirty days following receipt of notice
thereof from the Company; or

              (d)    by Parent (on behalf of Parent and Merger Sub):

                     (i)    if the Company shall have breached any of its
       representations and warranties contained in Article III hereof which
       breach has or is reasonably likely to have a Company Material Adverse
       Effect or the Company shall have breached or failed to perform in any
       material respect any of its covenants or other agreements contained in
       this Agreement, in each case (other than a breach of Section 5.6(b)
       hereof, as to which no cure period shall apply), which breach or failure
       to perform has not been cured by the Company within thirty days following
       receipt of notice thereof from Parent;

                     (ii)   if (a) the Company Board or any committee thereof
       shall have withdrawn or modified in a manner adverse to Parent its
       approval or recommendation of the Merger or this Agreement, or approved
       or recommended an Acquisition Proposal (including a Superior Proposal),
       or (b) the Company Board or any committee thereof shall have resolved to
       take any of the foregoing actions; or

                     (iii)  at any time after 6:00 a.m. Minneapolis time on
       February 23, 2000, if the Company Option Agreement shall not have been
       executed and delivered by the Company to Parent prior to such
       termination.

       7.2.   EFFECT OF TERMINATION.  The termination of this Agreement pursuant
to the terms of Section 7.1 hereof shall become effective upon delivery to the
other party of written notice thereof.  In the event of the termination of this
Agreement pursuant to the foregoing provisions of this Article VII, there shall
be no obligation or liability on the part of any party hereto (except as
provided in Section 7.3 hereof) or its stockholders or directors or officers in
respect thereof, EXCEPT for agreements which survive the termination of this
Agreement, EXCEPT for liability that Parent or Merger Sub or the Company might
have to the other party or parties arising from a breach of this Agreement due
to termination of this Agreement in accordance with Sections 7.1(c) or 7.1(d) or
due to the fraudulent or willful misconduct of such party, and EXCEPT that any
termination shall not affect the Company Option Agreement.

       7.3.   FEES AND EXPENSES.

              (a)    Except as provided in this Section 7.3, whether or not the
Merger is consummated, the Company, on the one hand, and Parent and Merger Sub,
on the other, shall bear their respective expenses incurred in connection with
the Merger, including, without limitation, the preparation, execution and
performance of this Agreement and the transactions contemplated hereby, and all
fees and expenses of investment bankers, finders, brokers, agents,
representatives, counsel and accountants, except that the registration and
filing fees incurred in connection with the Registration Statement and Proxy
Statement/Prospectus shall be shared equally by the Company and Parent.


                                      45


<PAGE>

              (b)    Notwithstanding any provision in this Agreement to the
contrary, if this Agreement is terminated (x) by the Company or Parent
pursuant to Section 7.1(b)(ii) and if, after the date hereof and prior to the
termination date, an Acquisition Proposal occurs, or (y) by Parent pursuant
to Section 7.1(b)(iv), 7.1(d)(i) or 7.1(d)(ii) hereof, then, in each case,
the Company shall (without prejudice to any other rights Parent may have
against the Company for breach of this Agreement), reimburse Parent upon
demand for all out-of-pocket fees and expenses incurred or paid by or on
behalf of Parent or any Affiliate of Parent in connection with this
Agreement, the Merger and transactions contemplated herein, including all
fees and expenses of counsel, investment banking firm, accountants and
consultants.

              (c)    Notwithstanding any other provision in this Agreement to
the contrary, if (x) this Agreement is terminated by the Company or Parent at a
time when Parent is entitled to terminate this Agreement pursuant to Section
7.1(b)(ii) (except if, immediately prior to the Company Stockholder Meeting, an
event or condition exists that would result in a Parent Material Adverse Effect)
or 7.1(d)(i) (other than due to a breach of Section 5.6(b) hereof) and,
concurrently with or within nine months after such a termination, the Company
shall enter into an agreement, arrangement or binding understanding with respect
to an Acquisition Proposal (which shall include, for this purpose, the
commencement by a third party of a tender offer or exchange offer or similar
transaction directly with the Company's stockholders) with a third party
(collectively, a "THIRD PARTY DEAL") or (y) this Agreement is terminated
pursuant to Section 7.1(b)(iv), Section 7.1(d)(i) (if such termination results
from a breach of Section 5.6(b) hereof), 7.1(d)(ii) (except, in the case of
7.1(d)(ii) only, if the Company Board's withdrawal or modification of its
approval or recommendation of this Agreement or the Merger occurs after the
occurrence of a Parent Material Adverse Effect) or 7.1(d)(iii), then, in each
case, the Company shall (in addition to any obligation under Section 7.3(b)
hereof and as liquidated damages and not as a penalty or forfeiture) pay to
Parent U.S. $43,000,000 (the "TERMINATION FEE") in cash, such payment to be made
promptly, but in no event later than the second business day following, in the
case of clause (x), the later to occur of such termination and the entry into of
such Third Party Deal, or, in the case of clause (y), such termination.

              (d)    Notwithstanding any provision in this Agreement to the
contrary, if this Agreement is terminated by the Company pursuant to Section
7.1(c) hereof, then Parent shall (without prejudice to any other rights the
Company may have against Parent for breach of this Agreement), reimburse the
Company upon demand for all out-of-pocket fees and expenses incurred or paid by
or on behalf of the Company or any Affiliate of the Company in connection with
this Agreement, the Merger and the transactions contemplated herein, including
all fees and expenses of counsel, investment banking firm, accountants and
consultants.

              (e)    The parties acknowledge that the agreements contained in
Sections 7.3(b), (c) and (d) hereof are an integral part of the transactions
contemplated by this Agreement, and that, without these agreements, Parent and
Merger Sub on the one hand, and the Company on the other, would not enter into
this Agreement.  Accordingly, if the Company fails promptly to pay the amounts
due pursuant to Sections 7.3(b) and/or (c) hereof, or if Parent fails promptly
to pay the amounts due pursuant to Section 7.3(d) hereof, (i) the party failing
to so pay shall pay interest on such amounts at the prime rate announced by U.S.
Bank National Association, Minneapolis


                                      46


<PAGE>

office, in effect on the date the Termination Fee (or fees and expenses) were
required to be paid, and (ii) if, in order to obtain such payment, a party
commences a suit or takes other action which results in a judgment or other
binding determination against the nonpaying party for the fees and expenses
in Sections 7.3(b) or 7.3(d) hereof or the Termination Fee, the nonpaying
party shall also pay to the party entitled to receive payment its costs and
expenses (including reasonable attorneys' fees) in connection with such suit,
together with interest payable under the preceding clause (i).

                                    ARTICLE VIII

                                   MISCELLANEOUS

       8.1.   NONSURVIVAL OF REPRESENTATIONS AND WARRANTIES.  None of the
representations and warranties in this Agreement or in any instrument delivered
pursuant to this Agreement shall survive the Effective Time.  This Section 8.1
shall not limit any covenant or agreement of the parties which by its terms
contemplates performance after the Effective Time.

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

       8.3.   NOTICES.

              (a)    Any notice or communication to any party hereto shall be
duly given if in writing and delivered in person or mailed by first class mail
and airmail, if overseas (registered or return receipt requested), facsimile
(with receipt electronically acknowledged) or overnight air courier guaranteeing
next day delivery, to such other party's address.

       If to Parent:

              ADC Telecommunications, Inc.
              12501 Whitewater Drive
              Minnetonka, MN  55343
              Telephone No.: (612) 938-8080
              Facsimile No.: (612) 946-3292
              Attention: General Counsel


                                      47


<PAGE>

       with a copy to:

              Dorsey & Whitney LLP
              220 South Sixth Street
              Minneapolis, Minnesota 55402
              Telephone No.: (612) 340-2600
              Facsimile No.:  (612) 340-8738
              Attention:  Robert A. Rosenbaum, Esq.

       If to the Company:

              PairGain Technologies, Inc.
              14661 Franklin Avenue
              Tustin, CA  92780
              Telephone No.:  (714) 832-9922
              Facsimile No.:   (714) 730-2463
              Attention:

       with copies to:

              Stradling Yocca Carlson & Rauth
              660 Newport Center Drive, Suite 1600
              Newport Beach, CA 92660
              Telephone No.: (949) 725-4000
              Facsimile No.: (949) 725-4100
              Attention:  Nick E. Yocca, Esq.

              (b)    All notices and communications will be deemed to have been
duly given: at the time delivered by hand, if personally delivered; three
business days after being deposited in the mail, if mailed; when sent, if sent
by facsimile; and one business day after timely delivery to the courier, if sent
by overnight air courier guaranteeing next day delivery.

       8.4.   COUNTERPARTS.  This Agreement may be executed via facsimile in two
or more counterparts, each of which shall be deemed an original, but all of
which together shall constitute one and the same instrument.

       8.5.   INTERPRETATION.  The language used in this Agreement and the other
agreements contemplated hereby shall be deemed to be the language chosen by the
parties to express their mutual intent, and no rule of strict construction shall
be applied against any party.  The headings of articles and sections herein are
for convenience of reference, do not constitute a part of this Agreement, and
shall not be deemed to limit or affect any of the provisions hereof.  As used in
this Agreement, "PERSON" means any individual, corporation, limited liability
company, limited or general partnership, joint venture, association, joint stock
company, trust, unincorporated organization or other entity; "KNOWLEDGE" means
the actual knowledge of a director or any executive officer of the applicable
party or any of its Subsidiaries, as such knowledge has been


                                      48


<PAGE>

obtained or would have been obtained after reasonable inquiry by such person
in the normal conduct of the business; and all amounts shall be deemed to be
stated in U.S. dollars, unless specifically referenced otherwise.

       8.6.   AMENDMENT.  This Agreement may be amended by the parties at any
time before or after any required approval of matters presented in connection
with the Merger by the stockholders of the Company; PROVIDED, HOWEVER, that
after any such approval, there shall not be made any amendment that by law
requires further approval by such stockholders without obtaining such further
approval.  This Agreement may not be amended except by an instrument in writing
signed on behalf of each of the parties.

       8.7.   NO THIRD PARTY BENEFICIARIES. Except for the provisions of Section
5.10 hereof (which is intended to be for the benefit of the persons referred to
therein, and may be enforced by such persons) nothing in this Agreement shall
confer any rights upon any person or entity which is not a party or permitted
assignee of a party to this Agreement.

       8.8.   GOVERNING LAW.  This Agreement shall be governed by, and construed
in accordance with, the laws of the State of Delaware.

       8.9.   ENTIRE AGREEMENT.  This Agreement (together with the Exhibits and
the Company Disclosure Letter, and the other documents delivered pursuant hereto
or contemplated hereby) constitutes the entire agreement between the parties
with respect to the subject matter hereof and supersedes all other prior
agreements and understandings, both written and oral, between the parties with
respect to the subject matter hereof, in each case other than the Company Option
Agreement and the Reciprocal Confidentiality Agreement.

       8.10.  VALIDITY.  The invalidity or unenforceability of any provision of
this Agreement shall not affect the validity or enforceability of any other
provisions of this Agreement, which shall remain in full force and effect.  Upon
such determination that any term or other provision is invalid, illegal or
incapable of being enforced, the parties shall negotiate in good faith to modify
this Agreement so as to effect the original intent of the parties as closely as
possible in an acceptable manner to the end that transactions contemplated
hereby are fulfilled to the extent possible.

                                 *    *   *   *   *


                                      49


<PAGE>

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

                                   ADC TELECOMMUNICATIONS, INC.


                                   By: /s/ Arun Sobti
                                      --------------------------------------
                                          Arun Sobti
                                          Senior Vice President,
                                          President Broadband Access and
                                          Transport Group


                                   ROMAN ACQUISITION CORP.


                                   By: /s/ Arun Sobti
                                      --------------------------------------
                                          Arun Sobti
                                          President


                                   PAIRGAIN TECHNOLOGIES, INC.


                                   By: /s/ Charles S. Strauch
                                      --------------------------------------
                                          Charles S. Strauch
                                          Chairman of the Board of Directors


<PAGE>

                                                                    EXHIBIT 99-b


                                STOCK OPTION AGREEMENT

              STOCK OPTION AGREEMENT, dated as of February 22, 2000 (the
"AGREEMENT"), between ADC Telecommunications, Inc., a Minnesota corporation
("OPTIONEE"), and PairGain Technologies, Inc., a Delaware Corporation (the
"COMPANY").  Capitalized terms which are used but not defined herein shall have
the meanings ascribed to them in the Merger Agreement (as defined below).

                                     WITNESSETH:

              WHEREAS, simultaneously with the execution and delivery of this
Agreement, Optionee and the Company are entering into an Agreement and Plan of
Merger, dated as of the date hereof (the "MERGER AGREEMENT"), which provides for
a wholly owned subsidiary of Optionee to be merged with and into the Company in
accordance with the General Corporation Law of the State of Delaware and the
terms of the Merger Agreement, as a result of which the Company will be the
surviving corporation and a wholly owned subsidiary of Optionee;

              WHEREAS, as a condition to Optionee's willingness to enter into
the Merger Agreement, Optionee has requested that the Company grant to Optionee
an option to purchase up to 14,489,951 authorized but unissued shares of the
Company's common stock, upon the terms and subject to the conditions hereof; and

              WHEREAS, in order to induce Optionee to enter into the Merger
Agreement, the Company has agreed to grant Optionee the requested option.

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

1.     THE OPTION; EXERCISE; ADJUSTMENTS.

              (a)    The Company hereby grants to Optionee an irrevocable option
(the "OPTION") to purchase from time to time up to 14,489,951 authorized but
unissued shares of common stock, par value $.0005 per share, of the Company (the
"COMPANY COMMON STOCK") upon the terms and subject to the conditions set forth
herein (the "OPTIONED SHARES," which represent 19.9% of the issued and
outstanding shares of Company Common Stock as of the date hereof); provided,
however, that in no event shall the number of shares of Company Common Stock for
which the Option is exercisable exceed 19.9% of the issued and outstanding
shares of Company Common Stock at the time of exercise (excluding any such
shares issued or issuable under the Option).


                                       1

<PAGE>

              (b)    Subject to the terms and conditions set forth in this
Agreement, the Option may be exercised by Optionee in whole or, from time to
time, in part, at any time within 270 days after the date hereof that the
conditions in Section 2(a) hereof are satisfied and prior to the termination of
the Option in accordance with Section 11 hereof.  In the event Optionee wishes
to exercise the Option, Optionee shall send a written notice to the Company (the
"STOCK EXERCISE NOTICE") specifying the total number of Optioned Shares it
wishes to purchase and a date for the closing of such purchase, which date shall
be not less than five days or more than 60 days after the Company's receipt of
the Stock Exercise Notice (the "CLOSING DATE").  Optionee may revoke an exercise
of the Option at any time prior to the Closing Date by written notice to the
Company.  At any Closing Date, the Company will deliver to Optionee a
certificate or certificates representing the Optioned Shares (which shall be
endorsed with appropriate restrictive legends)  in the denominations designated
by Optionee in its Stock Exercise Notice, free and clear of all liens and
encumbrances and subject to no preemptive rights, as well as an executed new
agreement with the same terms as this Agreement evidencing the right to purchase
the balance of the Optioned Shares purchasable hereunder, if any.  After payment
of the Exercise Price for the Optioned Shares covered by the Stock Exercise
Notice, the Option shall be deemed exercised to the extent of the Optioned
Shares specified in the Stock Exercise Notice as of the date such Stock Exercise
Notice is given to the Company.

              (c)    In the event of any change in the number of issued and
outstanding shares of Company Common Stock by reason of any share dividend,
reclassification, consolidation, division, subdivision or cancellation or other
similar change in the corporate or capital structure of the Company, the number
of Optioned Shares subject to the Option and the Exercise Price (as hereinafter
defined) per Optioned Share shall be appropriately adjusted.  In the event that
any additional shares of Company Common Stock are issued after the date of this
Agreement (other than pursuant to an event described in the preceding sentence
or pursuant to this Agreement), the number of Optioned Shares subject to the
Option shall be adjusted so that, after such issuance, it equals at least 19.9%
of the number of shares of Company Common Stock then issued and outstanding
(without considering any shares subject to or issued pursuant to the Option).

       2.     CONDITIONS TO EXERCISE OF OPTION AND DELIVERY OF OPTIONED SHARES.

              (a)    Optionee's right to exercise the Option is subject to the
following conditions:

              (i)    No preliminary or permanent injunction or other order
       having been issued by any federal or state court of competent
       jurisdiction in the United States invalidating the grant or prohibiting
       the exercise of the Option shall be in effect; and

              (ii)   One or more of the following events shall have occurred on
       or after the date hereof or Optionee shall have become aware on or after
       the date hereof of the occurrence of any of the following:  (A) any
       individual, corporation, limited liability


                                       2

<PAGE>

       company, limited or general partnership, joint venture, association,
       joint stock company, trust, unincorporated organization or other
       entity or group (referred to hereinafter, singularly or collectively,
       as a "PERSON"), other than Optionee or its "affiliates" (as defined in
       Rule 12b-2 promulgated under the Securities Exchange Act of 1934, as
       amended (the "EXCHANGE ACT")), acquires or becomes the beneficial
       owner of 20% or more of the outstanding shares of Company Common
       Stock; (B) any new group is formed which beneficially owns 20% or more
       of the outstanding shares of Company Common Stock (other than a group
       which includes or may reasonably be deemed to include Optionee or any
       of its affiliates); (C) any Person (other than Optionee or its
       affiliates) shall have commenced a tender or exchange offer for 20% or
       more of the then outstanding shares of Company Common Stock or
       publicly proposed any bona fide merger, consolidation or acquisition
       of all or substantially all the assets of the Company, or other
       similar business combination involving the Company; (D) any Person
       (other than Optionee or its affiliates) is granted any option or
       right, conditional or otherwise, to acquire or otherwise become the
       beneficial owner of shares of Company Common Stock which, together
       with all shares of Company Common Stock beneficially owned by such
       Person, results or would result in such Person being the beneficial
       owner of 20% or more of the outstanding shares of Company Common
       Stock; or (E) any event or circumstance occurs that would entitle
       Optionee to receive the Termination Fee provided for in Section 7.3(c)
       of the Merger Agreement. For purposes of this subparagraph (iii), the
       terms "group" and "beneficial owner" shall be defined by reference to
       Section 13(d) of the Exchange Act.

              (b)    Optionee's obligation to purchase the Optioned Shares
following the exercise of the Option, and the Company's obligation to deliver
the Optioned Shares, are subject to the conditions that:

              (i)    No preliminary or permanent injunction or other order
       issued by any federal or state court of competent jurisdiction in the
       United States prohibiting the delivery of the Optioned Shares shall be in
       effect;

              (ii)   The purchase of the Optioned Shares will not violate Rule
       14e-5 promulgated under the Exchange Act; and

              (iii)  All applicable waiting periods under the Hart-Scott-Rodino
       Antitrust Improvements Act of 1976, as amended (the "HSR ACT"), shall
       have expired or been terminated.

       3.     EXERCISE PRICE FOR OPTIONED SHARES.  Optionee will purchase the
Optioned Shares from the Company at a price per Optioned Share equal to $18.03
(the "EXERCISE PRICE"), payable in cash.  Any payment made by Optionee to the
Company pursuant to this Agreement shall be


                                       3

<PAGE>

made by wire transfer of federal funds to a bank account designated by the
Company or a check payable in immediately available funds.

       4.     REPRESENTATIONS AND WARRANTIES OF THE COMPANY.  The Company
represents and warrants to Optionee as follows:

              (a)    CORPORATE AUTHORITY.  The Company is a corporation duly
organized, validly existing and in good standing under the laws of the State of
Delaware and has all requisite corporate power and authority to execute and
deliver this Agreement and to consummate the transactions contemplated hereby.
The execution and delivery of this Agreement by the Company and the consummation
by it of the transactions contemplated hereby have been duly authorized by the
Company's Board of Directors and no other corporate proceedings on the part of
the Company are necessary to authorize this Agreement or to consummate the
transactions so contemplated.  This Agreement has been duly executed and
delivered by the Company and constitutes a valid and binding obligation of the
Company enforceable against the Company in accordance with its terms except to
the extent that its enforceability may be limited to applicable bankruptcy,
insolvency, fraudulent transfer, reorganization, moratorium or other laws
affecting creditors rights generally and to general equitable principles.

              (b)    SHARES RESERVED FOR ISSUANCE.  The Company has taken all
necessary corporate action to authorize and reserve and permit it to issue, and
at all times from the date hereof through the termination of this Agreement in
accordance with its terms, will have reserved for issuance upon exercise of this
Option, that number of Optioned Shares equal to the maximum number of shares of
Company Common Stock at any time and from time to time purchasable upon exercise
of the Option, and the Optioned Shares, when issued and delivered by the Company
to Optionee upon exercise of the Option, will be duly authorized, validly
issued, fully paid and nonassessable, free and clear of all liens or
encumbrances, free of preemptive rights, and the Optioned Shares shall be listed
on the Nasdaq National Market.

              (c)    CONSENTS; NO VIOLATIONS.  Except as otherwise required by
the HSR Act, except for routine filings and subject to Section 7, the execution
and delivery of this Agreement by the Company and the consummation by it of the
transactions contemplated hereby do not and will not require the consent,
approval or authorization of, or filing with, any Person or public authority and
(i) will not violate, breach or conflict with the Company's Charter Documents or
Governing Documents, or (ii) result in the acceleration or termination of, or
constitute a default under, any agreement, lease, contract, note, indenture,
license, approval, permit, understanding or other instrument, or any statute,
rule, regulation, judgment, order or other restriction binding upon or
applicable to the Company or any of its subsidiaries or any of their respective
properties or assets, except for any such acceleration, termination or default
which could not reasonably be expected to have a Company Material Adverse
Effect.


                                       4

<PAGE>

       5.     REPRESENTATIONS AND WARRANTIES OF OPTIONEE.  Optionee represents
and warrants to the Company as follows:

              (a)    CORPORATE AUTHORITY.  The execution and delivery of this
Agreement by Optionee and the consummation by it of the transactions
contemplated hereby have been duly authorized by all necessary corporate action
on the part of Optionee and this Agreement has been duly executed and delivered
by Optionee and constitutes a valid and binding agreement of Optionee, except to
the extent that its enforceability may be limited to applicable bankruptcy,
insolvency, fraudulent transfer, reorganization, moratorium or other laws
affecting creditors rights generally and to general equitable principles.

              (b)    INVESTMENT REPRESENTATIONS.  Optionee is acquiring the
Option and, if and when it exercises the Option, will be acquiring the Optioned
Shares issuable upon the exercise thereof, for its own account and not with a
view to distribution or resale in any manner which would be in violation of the
Securities Act of 1933, as amended (the "SECURITIES ACT"), or any rule or
regulation under the Securities Act, and will not sell or otherwise dispose of
the Optioned Shares except pursuant to an effective registration statement under
the Securities Act or a valid exemption from registration under the Securities
Act.

       6.      THE CLOSING.  Any closing hereunder shall take place on the
Closing Date specified by Optionee in its Stock Exercise Notice pursuant to
Section 1 at 10:00 a.m., U.S. Pacific Time, or the first business day thereafter
on which all of the conditions in Section 2 are met, at the executive office of
the Company located in Tustin, California, or at such other time and place as
the parties hereto may agree.

       7.     FILINGS RELATED TO OPTIONED SHARES.  The Company will make such
filings with the SEC as are required by the Exchange Act, and will make all
necessary filings by the Company under the HSR Act and to list the Optioned
Shares on the Nasdaq National Market.

       8.     REGISTRATION RIGHTS.

              (a)    DEMAND REGISTRATION RIGHTS.  After the date the Option
becomes exercisable pursuant to Section 1(b), the Company shall, subject to the
conditions of Section 8(c) below, if requested by Optionee within 12 months
following such date, as expeditiously as possible prepare and file a
registration statement under the Securities Act if such registration is
necessary in order to permit the sale or other disposition of any or all shares
of Company Common Stock or other securities that have been acquired by or are
issuable to the Selling Shareholder upon exercise of the Option in accordance,
subject to the terms and conditions of this Section 8, with the intended method
of sale or other disposition stated by the Optionee in such request, including
without limitation a "shelf" registration statement under Rule 415 under the
Securities Act or any successor provision ("RULE 415"), and the Company shall
use its best efforts to qualify such shares or other securities for sale under
any applicable state securities


                                       5

<PAGE>

laws; PROVIDED, HOWEVER, that the Company shall not be required to consent to
general jurisdiction or qualify to do business in any state where it is not
otherwise required to so consent to such jurisdiction or to so qualify to do
business.

              (b)    ADDITIONAL REGISTRATION RIGHTS.  If the Company, at any
time after the exercise of the Option, proposes to register any securities of
the Company or rights representing securities of the Company under the
Securities Act, the Company will promptly give written notice to the Optionee
of its intention to do so and, upon the written request of any Optionee given
within thirty (30) days after receipt of any such notice (which request shall
specify the number of Shares of Company Common Stock intended to be included
in such public offering by the Optionee), the Company will cause all such
shares for which a Optionee requests participation in such registration, to
be so registered and included in such public offering; PROVIDED, HOWEVER,
that the Company may elect not to cause any such shares to be so registered
(i) if such public offering is to be underwritten and the underwriters in
good faith object for valid business reasons, or (ii) in the case of a
registration solely to implement an employee benefit plan or a registration
filed on Form S-4 of the Securities Act or any successor form; PROVIDED,
FURTHER, HOWEVER, that such election pursuant to (i) may only be made twice.
 If some but not all of the shares of Company Common Stock with respect to
which the Company shall have received requests for registration pursuant to
this Section 8(b) shall be excluded from such registration, the Company shall
make appropriate allocation of shares to be registered among the selling
shareholders desiring to register their shares pro rata in the proportion
that the number of shares requested to be registered by each such selling
shareholder bears to the total number of shares requested to be registered by
all such selling shareholders then desiring to have shares of Company Common
Stock registered for sale.

              (c)    CONDITIONS TO REQUIRED REGISTRATION.  The Company shall
use all reasonable efforts to cause each registration statement referred to
in Section 8(a) above to become effective and to obtain all consents or
waivers of other parties which are required therefor and to keep such
registration effective; PROVIDED, HOWEVER, that the Company may delay any
registration of Optioned Shares required pursuant to Section 8(a) above for a
period not exceeding 90 days provided the Company shall in good faith
determine that any such registration would adversely affect the Company
(provided that this right may not be exercised more than once during any
twelve (12) month period), and the Company shall not be required to register
Optioned Shares under the Securities Act pursuant to Section 8(a) above:

                     (i)    on more than one occasion during any calendar
          year;

                     (ii)   on more than two occasions in total;

                     (iii)  within ninety (90) days after the effective date
          of a registration referred to in Section 8(b) above pursuant to which
          the Optionee was afforded the


                                       6
<PAGE>

           opportunity to register such shares under the Securities Act and such
           shares were registered as requested; or

                            (iv)   if all the Optioned Shares proposed to be
           registered could be sold by the Optionee in a ninety (90) day period
           in accordance with Rule 144.

       In addition to the foregoing, the Company shall not be required to
maintain the effectiveness of any registration statement, other than a
registration statement filed under Rule 415, after the expiration of six (6)
months from the effective date of such registration statement.  The Company
shall use all reasonable efforts to make any filings, and take all steps,
under all applicable state securities laws to the extent necessary to permit
the sale or other disposition of the Optioned Shares so registered in
accordance with the intended method of distribution for such shares;
PROVIDED, HOWEVER, that the Company shall not be required to consent to
general jurisdiction or qualify to do business in any state where it is not
otherwise required to so consent to such jurisdiction or to so qualify to do
business.  The Optionee shall provide the Company with all information
reasonably requested by the Company that is necessary for inclusion in any
registration statement required to be filed hereunder.

              (d)    EXPENSES.  Except where applicable state law prohibits
such payments, the Company will pay all expenses (including without
limitation registration fees, qualification fees, blue sky fees and expenses
(including the fees and expenses of counsel), legal expenses, including the
reasonable fees and expenses of one counsel to the holders whose Optioned
Shares are being registered, printing expenses and the costs of special
audits or "cold comfort" letters, expenses of underwriters, excluding
discounts and commissions but including liability insurance if the Company so
desires or the underwriters so require, and the reasonable fees and expenses
of any necessary special experts) in connection with each registration
pursuant to Section 8(a) or 8(b) above (including the related offerings and
sales by holders of Optioned Shares) and all other qualifications,
notifications or exemptions pursuant to Section 8(a) or 8(b) above.

              (e)    INDEMNIFICATION.  In connection with any registration
under Section 8(a) or 8(b) above, the Company hereby indemnifies the
Optionee, and each underwriter thereof, including each person, if any, who
controls such Optionee or underwriter within the meaning of Section 15 of the
Securities Act, against all expenses, losses, claims, damages and liabilities
caused by any untrue, or alleged untrue, statement of a material fact
contained in any registration statement or prospectus or notification or
offering circular (including any amendments or supplements thereto) or any
preliminary prospectus, or caused by any omission, or alleged omission, to
state therein a material fact required to be stated therein or necessary to
make the statements therein not misleading, except insofar as such expenses,
losses, claims, damages or liabilities of such indemnified party are caused
by any untrue statement or prospectus or notification or offering circular
(including any amendments or supplements thereto) in reliance upon and in
conformity with, information furnished in writing to the Company by such
indemnified party expressly for use therein, and the Company and each
officer, director and


                                       7
<PAGE>

controlling person of the Company shall be indemnified by Optionee, or by
such underwriter, as the case may be, for all such expenses, losses, claims,
damages and liabilities caused by any untrue, or alleged untrue, statement,
that was included by the Company in any such registration statement or
prospectus or notification or offering circular (including any amendments or
supplements thereto) in reliance upon, and in conformity with, information
furnished in writing to the Company by or on behalf of Optionee or such
underwriter, as the case may be, expressly for such use.

       Promptly upon receipt by a party indemnified under this Section 8(e)
of notice of the commencement of any action against such indemnified party in
respect of which indemnity or reimbursement may be sought against any
indemnifying party under this Section 8(e), such indemnified party shall
notify the indemnifying party in writing of the commencement of such action,
but the failure so to notify the indemnifying party shall not relieve it or
any liability which it may otherwise have to any indemnified party under this
Section 8(e) except to the extent the indemnified party is materially
prejudiced thereby.  In case notice of commencement of any such action shall
be given to the indemnifying party as above provided, the indemnifying party
shall be entitled to participate in and, to the extent it may wish, jointly
with any other indemnifying party similarly notified, to assume the defense
of such action at its own expense, with counsel chosen by it and reasonably
satisfactory to such indemnified party.  The indemnified party shall have the
right to employ separate counsel (other than reasonable costs of
investigation) shall be paid by the indemnified party unless (i) the
indemnified party either agrees to pay the same, (ii) the indemnifying party
fails to assume the defense of such action with counsel reasonably
satisfactory to the indemnified party, or (iii) the indemnified party has
been advised by counsel that one or more legal defenses may be available to
the indemnifying party that may be contrary to the interest of the
indemnified party, in which case the indemnifying party shall be entitled to
assume the defense of such action notwithstanding its obligation to bear fees
and expenses of such counsel.  No indemnifying party shall be liable for any
settlement entered into without its consent, which consent may not be
unreasonably withheld.

       If the indemnification provided for in this Section 8(e) is
unavailable to a party otherwise entitled to be indemnified in respect of any
expenses, losses, claims, damages or liabilities referred to herein, then the
indemnifying party, in lieu of indemnifying such party otherwise entitled to
be indemnified, shall contribute to the amount paid or payable by such party
to be indemnified as a result of such expenses, losses, claims, damages or
liabilities in such proportion as is appropriate to reflect the relative
benefits received by the Company, the Optionee and the underwriters from the
offering of the securities and also the relative fault of the Company, the
Optionee and the underwriters in connection with the statements or omissions
which resulted in such expenses, losses, claims, damages or liabilities, as
well as any other relevant equitable considerations.  The amount paid or
payable by a party as a result of the expenses, losses, claims, damages and
liabilities referred to above shall be deemed to include any legal or other
fees or expenses reasonably incurred by such party in connection with
investigating or defending any action or claim; PROVIDED, HOWEVER, that in no
case shall Optionee be responsible, in the


                                       8
<PAGE>

aggregate, for any amount in excess of the net offering proceeds attributable
to its Optioned Shares included in the offering.  No person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act) shall be entitled to contribution from any person who was not
guilty of such fraudulent misrepresentation.  Any obligation by Optionee to
contribute shall be several and not joint with other holders.

       In the event of an underwritten public offering pursuant to Section
8(b), the Company and the Optionee shall enter into an underwriting agreement
containing customary terms and provisions; PROVIDED that the contribution
provisions as they relate to Optionee shall contain substantially the same
limitations as the provisions set forth herein.

              (f)    MISCELLANEOUS REPORTING.  The Company shall comply with
all reporting requirements and will do all other such things as may be
necessary to permit the expeditious sale at any time of any Optioned Shares
by the Optionee in accordance with and to the extent permitted by any rule or
regulation promulgated by the SEC from time to time, including, without
limitation, Rule 144.  The Company shall provide the Optionee with any
information necessary in connection with the completion and filing of any
reports or forms required to be filed by them under the Securities Act or the
Exchange Act, or required pursuant to any state securities laws or the rules
of any stock exchange.

              (g)    ISSUE TAXES.  The Company will pay all stamp taxes in
connection with the issuance and the sale of Optioned Shares and in
connection with the exercise of the Option, and will hold the Optionee
harmless, without limitation as to time, against any and all liabilities,
with respect to all such taxes.

       9.     OPTIONAL PUT.  Prior to the termination of the Option in
accordance with Section 11 hereof, if the Option has become exercisable
pursuant to Section 1(b) hereof and pursuant to the second sentence of this
Section 9, Optionee shall have the right, upon three (3) business days' prior
written notice to the Company, to require the Company to purchase the Option
from Optionee (the "PUT RIGHT") at a cash purchase price (the "PUT PRICE")
equal to the product determined by multiplying (A) the number of Optioned
Shares as to which the Option has not yet been exercised by (B) the Spread
(as defined below).  As used herein, the term "SPREAD" shall mean the excess,
if any, of (i) the greater of (x) the highest price (in cash or fair market
value of securities or other property) per share of Company Common stock paid
or to be paid within twelve (12) months preceding the date of exercise of the
Put Right for any Company Common Stock beneficially owned by any Person who
shall have acquired or become the beneficial owner of 20% or more of the
outstanding shares of Company Common Stock after the date hereof or (y) the
weighted (by volume of shares traded each day during the measurement period
described herein) average closing price of the Company Common Stock during
the 15-day period ending on the trading day immediately preceding the written
notice of exercise of the Put Right over (ii) the Exercise Price.  This Put
Right shall become exercisable with respect to the events described in
clauses (A), (B), (C) and (D) of Section 2(a)(ii) hereof only if the
beneficial ownership by the


                                       9
<PAGE>

Person or group referenced in such clauses equals or exceeds 30% of the
outstanding Company Common Stock. Upon exercise of Optionee's right to
receive cash pursuant to this Section 9, the obligation of the Company to
deliver Optioned Shares pursuant to this Agreement shall terminate with
respect to such number of Optioned Shares for which Optionee shall have
elected to be paid in cash under this Section 9.

       10.    PROFIT LIMITATION.

              (a)    Notwithstanding any other provision of this Agreement,
in no event shall Optionee's Total Profit (as hereinafter defined) exceed
$43,000,000 and, if it otherwise would exceed such amount, Optionee, at its
sole election, shall either (i) deliver to the Company for cancellation
Optioned Shares previously acquired by Optionee pursuant to this Agreement,
(ii) pay cash or other consideration to the Company, or (iii) undertake any
combination thereof, in each case, so that Optionee's Total Profit shall not
exceed $43,000,000 after taking into account the foregoing actions.

              (b)    As used herein, the term "Total Profit" shall mean the
sum (before taxes) of the following: (i) the amount of cash received by
Optionee pursuant to Section 9 hereof, (ii)(A) the net cash amounts received
by Optionee pursuant to the sale of Optioned Shares (or any other securities
into which such Optioned Shares are converted or exchanged) to any
unaffiliated party, less (B) the aggregate Exercise Price paid for all
Optioned Shares acquired by Optionee hereunder, and (iii) any Termination Fee
received pursuant to the Merger Agreement.

       11.    TERMINATION.  This Agreement and the Option shall terminate
upon the earlier of (i) the Effective Time (as defined in the Merger
Agreement) and (ii) the termination of the Merger Agreement in accordance
with its terms; PROVIDED, HOWEVER, the Option shall terminate pursuant to
clause (ii) nine (9) months following termination of the Merger Agreement if
(A) the Merger Agreement is terminated by Optionee pursuant to Section
7.1(d)(i) or (d)(ii) thereof or (B) the Merger Agreement is terminated by
Optionee or the Company pursuant to Section 7.1(b)(ii) or (b)(iv) thereof
and, in each such case, the Company has not paid to Optionee the Termination
Fee which the Company is then obligated to pay.

       12.    EXPENSES.  Each party hereto shall pay its own expenses
incurred in connection with this Agreement, except as otherwise provided in
Section 8 hereof or as specified in the Merger Agreement.

       13.    SPECIFIC PERFORMANCE.  The parties hereto agree that
irreparable damage would occur in the event that any of the provisions of
this Agreement were not performed in accordance with their specific terms or
were otherwise breached.  It is accordingly agreed that the parties shall be
entitled to an injunction or injunctions to prevent breaches of this
Agreement, without the necessity of proving damages or posting any bond, and
to enforce specifically the terms and


                                       10
<PAGE>

provisions hereof in any court of the United States or any state thereof
having jurisdiction, this being in addition to any other remedy to which they
are entitled at law or in equity.

       14.    NOTICE.  All notices, requests, demands and other
communications hereunder shall be deemed to have been duly given and made if
in writing and if served by personal delivery upon the party for whom it is
intended or if sent by telex or facsimile (with receipt electronically
confirmed) to the person at the address set forth below, or such other
address as may be designated in writing hereafter, in the same manner, by
such person:

              (a)    if to Optionee:

                     ADC Telecommunications, Inc.
                     12501 Whitewater Drive
                     Minnetonka, Minnesota 55343
                     Attention: General Counsel
                     Facsimile No.: (612) 946-3292
                     Telephone No.: (612) 938-8080

                     with a copy to:

                     Dorsey & Whitney LLP
                     Pillsbury Center South
                     220 South Sixth Street
                     Minneapolis, Minnesota 55402
                     Attention: Robert A. Rosenbaum, Esq.
                     Facsimile No.:  (612) 340-8738
                     Telephone No.:  (612) 340-2600

              (b)    if to the Company:

                     PairGain Technologies, Inc.
                     14661 Franklin Avenue
                     Tustin, California 92780
                     Attention:
                     Facsimile No.: (714) 730-2463
                     Telephone No.: (714) 832-9922

                     with a copy to:

                     Stradling Yocca Carlson & Rauth
                     660 Newport Center Drive, Suite 1600
                     Newport Beach, CA 92660


                                       11
<PAGE>

                     Attention:  Nick E. Yocca, Esq.
                     Facsimile No.:  (949) 725-4100
                     Telephone No.:  (949) 725-4000

       15.    PARTIES IN INTEREST.  This Agreement shall inure to the benefit
of and be binding upon the parties named herein and their respective
successors and permitted assigns.  Nothing in this Agreement, expressed or
implied, is intended to confer upon any Person other than Optionee or the
Company, or their permitted successors or assigns any rights or remedies
under or by reason of this Agreement.

       16.    ENTIRE AGREEMENT; AMENDMENTS.  This Agreement, together with
the Merger Agreement and the other documents referred to therein, constitutes
the entire agreement between the parties with respect to the subject matter
hereof and supersedes all prior and contemporaneous agreements and
understandings, both written or oral, between the parties with respect to the
subject matter hereof. This Agreement may not be changed, amended or modified
orally, but only by an agreement in writing signed by the party against whom
any waiver, change, amendment, modification or discharge may be sought.

       17.    ASSIGNMENT.  No party to this Agreement may assign any of its
rights or delegate any of its obligations under this Agreement (whether by
operation of law or otherwise) without the prior written consent of the other
party hereto, except that Optionee may, without a written consent and without
affecting its obligations hereunder, assign its rights and delegate its
obligations hereunder in whole or in part to one or more of its direct or
indirect wholly owned subsidiaries.

       18.    INTERPRETATION. The language used in this Agreement shall be
deemed to be the language chosen by the parties to express their mutual
intent, and no rule of strict construction shall be applied against any
party.  The headings of articles and sections herein are for convenience of
reference, do not constitute a part of this Agreement, and shall not be
deemed to limit or affect any of the provisions hereof.

       19.    COUNTERPARTS.  This Agreement may be executed via facsimile in
two or more counterparts, each of which, when executed, shall be deemed to be
an original and all of which together shall constitute one and the same
document.

       20.    GOVERNING LAW.  This Agreement shall be governed by and
construed in accordance with the laws of the State of Delaware, without
giving effect to the principles of conflicts of laws thereof.

       21.    VALIDITY. The invalidity or unenforceability of any provision
of this Agreement shall not affect the validity or enforceability of any
other provisions of this Agreement, which shall remain in full force and
effect.  Upon such determination that any term or other provision is


                                       12
<PAGE>

invalid, illegal or incapable of being enforced, the parties shall negotiate
in good faith to modify this Agreement so as to effect the original intent of
the parties as closely as possible in an acceptable manner to the end that
transactions contemplated hereby are fulfilled to the extent possible.

       22.    DEFINED TERMS.  Capitalized terms which are used but not
defined herein shall have the meanings ascribed to them in the Merger
Agreement.

                               *    *    *    *    *


                                       13
<PAGE>

              IN WITNESS WHEREOF, Optionee and the Company have caused this
Stock Option Agreement to be duly executed and delivered on the day and year
first above written.

                            PAIRGAIN TECHNOLOGIES, INC.


                            By:    /s/ Charles S. Strauch
                                ----------------------------------------------
                                   Charles S. Strauch
                                   Chairman of the Board of Directors


                            ADC TELECOMMUNICATIONS, INC.


                            By:    /s/ Arun Sobti
                                ----------------------------------------------
                                   Arun Sobti
                                   Senior Vice President,
                                   President Broadband Access and
                                   Transport Group



<PAGE>

                                                                    EXHIBIT 99-c


                                   VOTING AGREEMENT


              VOTING AGREEMENT, dated as of February 22, 2000 (the "AGREEMENT"),
by and among ADC Telecommunications, Inc., a Minnesota corporation ("Buyer"),
and each stockholder of PairGain Technologies, Inc., a Delaware Corporation (the
"COMPANY"), whose signature is set forth on the signature pages to this
Agreement (each a "STOCKHOLDER" and, collectively, the "STOCKHOLDERS").
Capitalized terms which are used but not defined herein shall have the meanings
ascribed to them in the Merger Agreement (as defined below).

                                     WITNESSETH:

              WHEREAS, simultaneously with the execution and delivery of this
Agreement, Buyer and the Company are entering into an Agreement and Plan of
Merger, dated as of the date hereof (the "MERGER AGREEMENT"), which provides for
a wholly owned subsidiary of Buyer to be merged with and into the Company in
accordance with the General Corporation Law of the State of Delaware and the
terms of the Merger Agreement, as a result of which the Company will be the
surviving corporation and will be a wholly owned subsidiary of Buyer;

              WHEREAS, the Stockholders own in the aggregate approximately ___%
of the Company Common Stock issued and outstanding; and

              WHEREAS, the Stockholders desire that the Company and Buyer
consummate the Merger contemplated by the Merger Agreement and are willing to
enter into this Agreement to induce Buyer to enter into the Merger Agreement.

              NOW, THEREFORE, in consideration of the premises and of the mutual
covenants and agreements set forth herein, the parties hereto, intending to be
legally bound, agree as follows:

       1.     AGREEMENT TO VOTE.  At such time as the Company convenes a meeting
of, solicits written consents from or otherwise seeks a vote of, the Company's
stockholders for the purpose of considering and approving the Merger and the
other transactions contemplated by the Merger Agreement, each of the
Stockholders hereby agrees to vote all shares of Company Common Stock owned by
such Stockholder (whether held directly or beneficially) in favor of the Merger
and the other transactions contemplated by the Merger Agreement and all other
actions necessary or desirable for the consummation of the Merger.  If the
Merger contemplated by the Merger Agreement is restructured by the parties as a
tender offer, each of the Stockholders hereby agrees to tender all shares of
Company Common Stock owned by such Stockholder to the Buyer.


                                      1

<PAGE>

       2.     LIMITATION.  Each Stockholder shall retain at all times the right
to vote such Stockholder's shares of Company Common Stock in that Stockholder's
sole discretion on all matters, other than those set forth in Section 1, that
are at any time or from time to time presented for consideration by the
Company's stockholders generally.

       3.     NO SOLICITATION.

              (a)    Immediately upon execution of this Agreement, the
Stockholders shall (and shall use reasonable efforts to cause the Company and
its officers, directors, employees, investment bankers, attorneys and other
agents or representatives to) cease all discussions, negotiations, responses to
inquiries and other communications with all third parties who, prior to the date
hereof, may have expressed or otherwise indicated any interest in pursuing an
Acquisition Proposal with the Company.

              (b)    Prior to termination of this Agreement pursuant to Section
7 hereof, each Stockholder hereby covenants and agrees that he or she will not,
and each Stockholder shall use reasonable efforts to cause the Company and its
officers, directors, employees, investment bankers, attorneys and other agents
or representatives not to, directly or indirectly, (i) initiate, solicit or
encourage, directly or indirectly, any inquiries or the making of any proposal
that constitutes an Acquisition Proposal, (ii) except as permitted below, engage
or participate in negotiations or discussions with, or furnish any information
or data to, or take any other action to, facilitate any inquiries or making any
proposal by, any third party relating to an Acquisition Proposal, or (iii)
except as permitted below, enter into any agreement with respect to any
Acquisition Proposal or approve an Acquisition Proposal.  Notwithstanding
anything to the contrary contained in this Section 3 (or in Section 5.6 or any
other provision of the Merger Agreement), prior to the Company Stockholders
Meeting, the Company and its Board of Directors (the "COMPANY BOARD") may
participate in discussions or negotiations with or furnish information to any
third party making an unsolicited Acquisition Proposal (a "POTENTIAL ACQUIROR")
or approve or recommend an unsolicited Acquisition Proposal if both (A) a
majority of the directors of the Company Board, without including directors who
may be considered Affiliates (as defined in Rule 405 under the Securities Act),
of any person making an Acquisition Proposal ("DISINTERESTED DIRECTORS")
determines in good faith, after receiving advice from its independent financial
advisor, that a Potential Acquiror has submitted to the Company an Acquisition
Proposal that is a Superior Proposal (as hereinafter defined), and (B) a
majority of the disinterested directors of the Company Board determines in good
faith, after receiving advice from reputable outside legal counsel experienced
in such matters (and the parties hereto agree that the law firm of Stradling
Yocca Carlson & Rauth is so experienced), that the failure to participate in
such discussions or negotiations or to furnish such information or to approve or
recommend such unsolicited Acquisition Proposal is inconsistent with the Company
Board's fiduciary duties under applicable law.  In the event that any
Stockholder shall receive any Acquisition Proposal, he or she shall promptly
(and in no event later than 24 hours after receipt thereof) furnish to Buyer the
identity of the Potential Acquiror, the terms of such Acquisition Proposal,
copies of all information requested by the Potential Acquiror, and shall further


                                      2

<PAGE>

promptly inform Buyer in writing as to the fact such information is to be
provided after compliance with the terms of the preceding sentence.  Without
limiting the foregoing, each of the Stockholders understands and agrees that any
violation of the restrictions set forth in this Section 3 by any Stockholder,
whether or not such Stockholder is purporting to act on behalf of the Company or
any of its Subsidiaries or otherwise, shall be deemed to be a breach of Section
5.6(b) of the Merger Agreement sufficient to enable Buyer to terminate the
Merger Agreement pursuant to Section 7.1(d)(i) thereof.

              (c)    For the purposes of this Agreement, "ACQUISITION PROPOSAL"
shall mean any proposal, whether in writing or otherwise, made by any person
other than Buyer and its Subsidiaries to acquire "beneficial ownership" (as
defined under Rule 13(d) of the Exchange Act) of 20% or more of the assets of,
or 20% or more of the outstanding capital stock of any of the Company or its
Subsidiaries pursuant to a merger, consolidation, exchange of shares or other
business combination, sale of shares of capital stock, sales of assets, tender
offer or exchange offer or similar transaction involving the Company or its
Subsidiaries.

              (d)    The term "SUPERIOR PROPOSAL" means any BONA FIDE
Acquisition Proposal to acquire, directly or indirectly, for consideration
consisting of cash and/or securities, more than 50% of the Company Common Stock
then outstanding or all or substantially all the assets of the Company, and
otherwise on terms that a majority of the disinterested directors determines, in
good faith, to be more favorable to the Company and its stockholders than the
Merger (after receiving advice from the Company's independent financial advisor
that the Acquisition Proposal is more favorable to the Company's stockholders,
from a financial point of view, than the Merger) and for which financing, to the
extent required, is then committed.

       4.     REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS.  The
Stockholders severally, but not jointly, hereby represent and warrant to Buyer
that:

              (a)    Each Stockholder has the requisite legal capacity and
authority to execute and deliver this Agreement, to perform the obligations of
the Stockholder under this Agreement and to consummate the transactions
contemplated by this Agreement.  This Agreement has been duly executed and
delivered by such Stockholder and constitutes a valid and legally binding
obligation of such Stockholder enforceable in accordance with its terms, except
to the extent that enforceability thereof may be limited by bankruptcy and other
similar laws and general principles of equity;

              (b)    Each Stockholder's execution, delivery and performance of
this Agreement will not result in the creation of any Lien upon any of the
shares of Company Common Stock held by such Stockholder under any of the terms,
conditions or provisions of any contract to which such Stockholder is a party;

              (c)    No filing or registration with or notification to and no
permit, authorization, consent or approval of, any court, commission,
governmental body, regulatory


                                      3

<PAGE>

authority, agency or tribunal wherever located is required to be obtained,
made or given by any Stockholder in connection with the execution, delivery
and performance by any Stockholder of this Agreement; and

              (d)    The signature page of this Agreement correctly sets forth
the number of shares of Company Common Stock owned by each Stockholder as of the
date of this Agreement.  Each Stockholder has good title to all of the shares of
Company Common Stock set forth below his name on the signature page hereto free
and clear of all liens, security interests and encumbrances or any restrictions
on transfer.

       5.     CAPACITY.  The parties hereby agree that the Stockholders are
executing this Agreement solely in their capacity as Stockholders of the
Company.  Nothing contained in this Agreement shall limit or otherwise affect
the conduct or exercise of the Stockholders' fiduciary duties as officers or
directors of the Company.

       6.     FURTHER ASSURANCES.  Each Stockholder will, upon the request of
Buyer, execute and deliver such documents and take such action reasonably
requested by Buyer to effectuate the purposes of this Agreement and to
consummate the transactions contemplated by the Merger Agreement.

       7.     TERMINATION.  This Agreement shall terminate upon the earlier of
(i) the Effective Time and (ii) the termination of the Merger Agreement in
accordance with its terms.  In the event this Agreement is terminated, this
Agreement shall immediately become void, there shall be no liability under this
Agreement on the part of Buyer, its officers or directors or the Stockholders,
and all rights and obligations of the parties to this Agreement shall cease.

       8.     EXPENSES.  Each party hereto shall pay its own expenses incurred
in connection with this Agreement, except as otherwise specified in the Merger
Agreement.

       9.     SPECIFIC PERFORMANCE.  The parties hereto agree that irreparable
damage would occur in the event that any of the provisions of this Agreement
were not performed in accordance with their specific terms or were otherwise
breached.  It is accordingly agreed that the parties shall be entitled to an
injunction or injunctions to prevent breaches of this Agreement, without the
necessity of proving damages or posting any bond, and to enforce specifically
the terms and provisions hereof in any court of the United States or any state
thereof having jurisdiction, this being in addition to any other remedy to which
they are entitled at law or in equity.

       10.    NOTICE.  All notices, requests, demands and other communications
hereunder shall be deemed to have been duly given and made if in writing and if
served by personal delivery upon the party for whom it is intended or if sent by
telex or facsimile (with receipt electronically confirmed) to the person at the
address set forth below, or such other address as may be designated in writing
hereafter, in the same manner, by such person:


                                      4

<PAGE>

              (a)    if to a Stockholder:  To the address set forth on the
                                           signature page(s) hereto
                     with a copy to:

                     Stradling Yocca Carlson & Rauth
                     660 Newport Center Drive, Suite 1600
                     Newport Beach, CA 92660
                     Attention: Nick E. Yocca, Esq.
                     Facsimile No.: (949) 725-4100
                     Telephone No.: (949) 725-4000

              (b)    if to Buyer:

                     ADC Telecommunications, Inc.
                     12501 Whitewater Drive
                     Minnetonka, MN  55343
                     Attention: General Counsel
                     Facsimile No.: (612) 946-3292
                     Telephone No.: (612) 938-8080

                     with a copy to:

                     Dorsey & Whitney LLP
                     Pillsbury Center South
                     220 South Sixth Street
                     Minneapolis, MN  55402
                     Attention: Robert A. Rosenbaum, Esq.
                     Facsimile No.: (612) 340-8738
                     Telephone No.: (612) 340-2600

       11.    PARTIES IN INTEREST.  This Agreement shall inure to the benefit of
and be binding upon the parties named herein and their respective successors and
assigns.  Nothing in this Agreement, expressed or implied, is intended to confer
upon any Person other than the Stockholders or Buyer, or their permitted
successors or assigns, any rights or remedies under or by reason of this
Agreement.

       12.    ENTIRE AGREEMENT; AMENDMENTS.  This Agreement, together with the
Merger Agreement and the other documents referred to therein, constitutes the
entire agreement between the parties with respect to the subject matter hereof
and supersedes all prior and contemporaneous agreements and understandings, both
written or oral, between the parties with respect to the subject matter hereof.
This Agreement may not be changed, amended or modified orally, but only by an
agreement in writing signed by the party against whom any waiver, change,
amendment, modification or discharge may be sought.


                                      5

<PAGE>

       13.    ASSIGNMENT.  No party to this Agreement may assign any of its
rights or delegate any of its obligations under this Agreement (whether by
operation of law or otherwise) without the prior written consent of the other
party hereto.

       14.    INTERPRETATION.  The language used in this Agreement shall be
deemed to be the language chosen by the parties to express their mutual intent,
and no rule of strict construction shall be applied against any party.  The
headings of articles and sections herein are for convenience of reference, do
not constitute a part of this Agreement, and shall not be deemed to limit or
affect any of the provisions hereof.

       15.    COUNTERPARTS.  This Agreement may be executed via facsimile in two
or more counterparts, each of which, when executed, shall be deemed to be an
original and all of which together shall constitute one and the same document.

       16.    GOVERNING LAW.  This Agreement shall be governed by and construed
in accordance with the laws of the State of Delaware, without giving effect to
the principles of conflicts of laws thereof.

       17.    VALIDITY.  The invalidity or unenforceability of any provision of
this Agreement shall not affect the validity or enforceability of any other
provisions of this Agreement, which shall remain in full force and effect.  Upon
such determination that any term or other provision is invalid, illegal or
incapable of being enforced, the parties shall negotiate in good faith to modify
this Agreement so as to effect the original intent of the parties as closely as
possible in an acceptable manner to the end that transactions contemplated
hereby are fulfilled to the extent possible.


                             *    *    *    *    *


                                       6

<PAGE>

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


                             ADC TELECOMMUNICATIONS, INC.


                             By:    __________________________________
                                    Arun Sobti
                                    Senior Vice President,
                                    President Broadband Access and
                                    Transport Group


                             STOCKHOLDERS


                             By:   __________________________________
                             Name:
                             Address:
                             Number of Shares Held:


                             By:   __________________________________
                             Name:
                             Address:
                             Number of Shares Held:


                             By:   __________________________________
                             Name:
                             Address:
                             Number of Shares Held:


<PAGE>

                                                                    Exhibit 99-d


ADC news release

We urge investors and security holders to read ADC's Registration Statement
on Form S-4 and the Prospectus/Proxy Statement of ADC and PairGain relating
to the merger transaction described below, when they become available,
because they will contain important information.  When these and other
documents relating to the transaction are filed with the U.S. Securities and
Exchange Commission, they may be obtained free at the SEC's web site at
http://www.sec.gov.  You may also obtain each of these documents (when they
become available) for free from ADC or from PairGain by directing your
request to the investor relations contact persons identified below.

FOR IMMEDIATE RELEASE

CONTACTS:
Mark Borman -- Investor Relations                 Kim Gower or Robert Price
ADC                                               PairGain Technologies
612-946-3338                                      714-832-9922

Rob Clark -- Public Relations
ADC
612-914-6355


         ADC BECOMES LEADING SUPPLIER OF DSL BROADBAND ACCESS SYSTEMS
                  WITH ACQUISITION OF PAIRGAIN TECHNOLOGIES

        PROPOSED $1.6 BILLION ACQUISITION STRENGTHENS ADC'S POSITION AS
         A LEADING GLOBAL SUPPLIER OF BROADBAND, MULTISERVICE SYSTEMS
                   CONNECTING RESIDENCES AND BUSINESSES

MINNEAPOLIS / TUSTIN, CALIF. -- FEBRUARY 23, 2000 -- ADC (Nasdaq: ADCT,
www.adc.com), a leading global supplier of network equipment, software and
integration services for broadband, multiservice networks, and PairGain
Technologies, Inc. (Nasdaq: PAIR, www.pairgain.com), a leader in the design,
manufacture, marketing and sale of digital subscriber line (DSL) networking
systems, have reached an agreement for the acquisition of PairGain by ADC.

Under the terms of the agreement, each share of PairGain's common stock will
be converted into 0.43 share of ADC common stock with a fixed exchange ratio.
Based on the closing share price of $46.81 for ADC's stock on February 22,
2000, the transaction is valued at approximately $1.6 billion.  The proposed
transaction is expected to be completed during ADC's third fiscal quarter,
which ends July 31, 2000, and is intended to be accounted for as

<PAGE>

ADC ACQUIRES PAIRGAIN TECHNOLOGIES - PAGE 2 OF 5


a pooling of interests and to be treated as a tax-free reorganization for
U.S. federal income tax purposes.  ADC expects the acquisition to be
nondilutive to its earnings per share for the balance of fiscal year 2000 and
$0.05 accretive in fiscal year 2001. Closing of the proposed transaction is
subject to the approval of PairGain's stockholders, receipt of required
regulatory approvals and other customary conditions. After closing the
transaction, ADC expects to take a one-time charge for various
acquisition-related expenses the amount of which has not yet been determined.

ADC STRENGTHENS DSL MARKET POSITION AND EXPANDS BROADBAND ACCESS OFFERINGS

ADC's proposed acquisition of PairGain results from ADC's aggressive and
determined strategy to become a leading supplier of DSL broadband access
systems. The PairGain acquisition strengthens ADC's DSL market position.  The
acquisition also expands ADC's local loop offerings of broadband access
systems with PairGain's Avidia-Registered Trademark- System, a
next-generation digital subscriber line access multiplexer (DSLAM) system.
The combination of ADC's and PairGain's DSL products results in a complete
offering of local loop access, transport and network management products
based on HDSL, HDSL2, ADSL and SDSL technologies.

"Our acquisition of PairGain represents another significant step forward in
ADC's mission to enable communications service providers to serve their
residential and business customers with broadband, multiservice networks
offering faster, cost-effective and bundled Internet/data, video and voice
services. The power of this acquisition comes from joining ADC's
comprehensive, end-to-end systems leadership in broadband access with
PairGain's strong position and technology leadership in DSL products," said
William J. Cadogan, chairman and CEO of ADC.  "The PairGain acquisition has
many strategic benefits and synergies for the customers, employees and
shareowners of both companies. First, it strengthens the position of the
combined companies as a leading supplier in the DSL broadband access market.
Second, the PairGain acquisition brings together the finest talent and
expertise in the delivery of broadband, multiservice communications over DSL.
And third, it enhances ADC's 'triple-play' package of network equipment,
software and integration services used by broadband service providers to
compete in the 'last mile/kilometer' of communications networks. These
synergies and benefits strengthen our combined teams of people to better
assist our customers in meeting their goals of deploying competitive bundles
of broadband communications services to consumers and businesses over
high-speed network connections."

<PAGE>

ADC ACQUIRES PAIRGAIN TECHNOLOGIES - PAGE 3 OF 5


The DSL market for business and residential communications is expected to be
fast growing. The DSLAM market is expected to grow at an annualized rate of
47% from 1999 to 2003 according to the Yankee Group. Credit Suisse First
Boston reports that high-speed communications connections, such as HDSL, T3,
frame relay and optical lines, to businesses are growing at an annual rate of
greater than 30%.  Additionally, a joint industry study by Sanford C.
Bernstein & Co. and McKinsey & Company forecasts DSL lines to residences and
small businesses to grow at a faster rate -- from 300,000 lines in 1999 to
over 2.5 million lines in 2000, then projected to 13.9 million lines by 2004.

"As a result of market deregulation and competition, the world's incumbent
and new competitive communications service providers are seeking innovative
approaches to win and retain customers," said Michael Pascoe, president and
CEO of PairGain.  "The ADC-PairGain combination joins two companies with a
shared vision of helping service providers deploy broadband, multiservice
communications services to residences and businesses over high-speed
connections.  PairGain augments ADC's strategy by providing a critical mass
of DSL broadband access systems, a large and dedicated customer base of
incumbent and new competitive communications service providers in a fast
growing market, and a skilled and driven team of industry professionals.  ADC
benefits PairGain with its comprehensive offerings of network equipment,
software and integration services that add tremendous value to PairGain's
customers and attractive growth opportunities for PairGain's employees. We
are thrilled to join the ADC team and look forward to enhancing value to our
shareowners by contributing to ADC's broadband, multiservice network
strategy."


PAIRGAIN'S TECHNOLOGY LEADERSHIP AND INNOVATIVE PRODUCTS
For more than 10 years, PairGain has been recognized as a technology leader
and industry innovator of telecommunications equipment. PairGain offers the
widest range of DSL-based systems available. More than 1.7 million PairGain
DSL circuits are installed in over 100 countries.  PairGain's product lines
for high-bandwidth access, broadband access and subscriber carrier systems
include:

- -    HIGH-BANDWIDTH ACCESS SYSTEMS
     PairGain's high-bandwidth access systems include HDSL and HDSL2
     technologies that establish T1/E1 (1.5 Mbps/2.0 Mbps) connections over
     the existing infrastructure of copper telephone wires. These systems
     are deployed by communications service providers to deliver high-speed
     Internet/data and voice services to businesses.

<PAGE>

ADC ACQUIRES PAIRGAIN TECHNOLOGIES - PAGE 4 OF 5


     PairGain's new HDSL2 system set a standard for interoperability and
     efficiency as one of the industry's first practical implementations of
     HDSL2. Providing full-rate T1 access using just a single copper-pair
     cable, compared to two copper-pair cables for HDSL, HDSL2 enables service
     providers to quickly and cost effectively meet the demand for more
     Internet/data and voice services -- services that have become increasingly
     hard to deliver due to the shortage of copper cable in the "last
     mile/kilometer" of communications networks.

- -    BROADBAND ACCESS SYSTEMS
     PairGain's broadband access offerings include the Avidia System, a
     multiservice access platform, which is used for the deployment of numerous
     services, including high-speed Internet access, remote local area network
     (LAN) access and virtual private networks (VPN). The Avidia System is an
     ATM edge switch that enables service providers and private network owners
     to establish DSL access networks for their remote users and subscribers.
     The Avidia System can be configured as a next-generation DSLAM, access
     server or LAN extension concentrator, supporting G.lite, full-rate DMT
     ADSL, SDSL, T1, IP voice and frame relay services, in addition to
     supporting ATM over ADSL and Ethernet frames over SDSL.  The product is
     NEBS Level 3 compliant, a requirement for deployment in major telecom
     networks in North America.  The Avidia System delivers the service
     flexibility, port density, deployment options and quality of service
     (QoS) guarantees necessary for widespread deployment of broadband access
     services.

- -    SUBSCRIBER CARRIER SYSTEMS
     PairGain's subscriber carrier systems provide communications service
     providers worldwide with a modular solution for transmitting greater
     capacity over existing copper telephone lines. These products deliver up
     to 32 channels over one or two pairs of copper phone lines, so service
     providers can meet the growing demand for additional phone, fax and
     Internet/data lines in residential and business areas by better utilizing
     existing copper-pair cables. PairGain subscriber carrier products reduce
     equipment and labor costs associated with line installation and provide
     a quick solution for filling service orders.

PairGain's sales for the year ended December 31, 1999 were $225 million.
PairGain's customers include incumbent and new competitive communications
service providers and enterprise organizations. PairGain has sales offices in
the U.S., Switzerland, Hong Kong, Dubai U.A.E., Canada, England, China and
Brazil.

<PAGE>

ADC ACQUIRES PAIRGAIN TECHNOLOGIES - PAGE 5 OF 5


ABOUT ADC
ADC Telecommunications, Inc. is a leading global supplier of network
equipment, software and integration services for broadband, multiservice
networks that deliver data, video and voice communications over telephone,
cable television, Internet, broadcast, wireless and enterprise networks.
ADC's broadband, multiservice network solutions enable local access,
high-speed transmission and software management of communications services
from service providers to consumers and businesses over fiber-optic, copper,
coaxial and wireless media. Headquartered in Minneapolis, Minnesota, ADC has
approximately 14,400 employees around the world and annual sales of $2.1
billion. ADC's stock is included in the Standard & Poor's 500 Index and the
Nasdaq-100 Index. For additional information, visit our Web site at
www.adc.com.

ABOUT PAIRGAIN TECHNOLOGIES
PairGain Technologies, Inc. is the leader in the design, manufacture,
marketing and sale of DSL networking systems. Service providers and private
network operators worldwide use PairGain's products to deploy DSL-based
services such as high-speed Internet, remote LAN access and enterprise LAN
extension. Additional information about PairGain is available on the Internet
at www.pairgain.com.

CAUTIONARY STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995
Any forward-looking statements contained herein reflect management's current
expectations or beliefs.  ADC Telecommunications cautions readers that future
actual results could differ materially from those in forward-looking
statements depending on the outcome of certain factors, including the risks
and uncertainties identified in Exhibit 99-a to ADC's Report on Form 10-K for
the fiscal year ended October 31, 1999. PairGain Technologies cautions
readers that future actual results could differ materially from those in
forward-looking statements depending on the outcome of certain factors,
including the risks and uncertainties identified in PairGain's periodic Form
10-Q and Form 10-K filings with the Securities and Exchange Commission.



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