3COM CORP
S-4, 1995-03-23
COMPUTER PERIPHERAL EQUIPMENT, NEC
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<PAGE>
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH   , 1995.

                                                       REGISTRATION NO. 33-
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------

                                    FORM S-4
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------

                                3COM CORPORATION
             (Exact name of Registrant as specified in its charter)

<TABLE>
<S>                           <C>                           <C>
         CALIFORNIA                       3577                    94-2605794
(State or other jurisdiction  (Primary Standard Industrial     (I.R.S. Employer
             of                  Classification Number)      Identification No.)
      incorporation or
       organization)
</TABLE>

                              5400 BAYFRONT PLAZA
                       SANTA CLARA, CALIFORNIA 95052-8145
                                 (408) 764-5000
         (Address, including zip code, and telephone number, including
            area code, of Registrant's principal executive offices)
                            ------------------------

                                ERIC A. BENHAMOU
                     PRESIDENT AND CHIEF EXECUTIVE OFFICER
                                3COM CORPORATION
                              5400 BAYFRONT PLAZA
                       SANTA CLARA, CALIFORNIA 95052-8145
                                 (408) 764-5000
      (Name, address, including zip code, and telephone number, including
                        area code, of agent for service)
                            ------------------------

                                   COPIES TO:

<TABLE>
<S>                                 <C>
         J. HOWARD CLOWES                    CRAIG S. ANDREWS
          MATT KIRMAYER                      FAYE H. RUSSELL
          HEAYOON J. WOO               Brobeck, Phleger & Harrison
   Gray Cary Ware & Freidenrich       550 West C Street, Suite 1300
    A Professional Corporation         San Diego, California 92101
       400 Hamilton Avenue
   Palo Alto, California 94301
</TABLE>

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

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
               UPON CONSUMMATION OF THE MERGER DESCRIBED HEREIN.
                            ------------------------

    If  the  securities  being registered  on  this  Form are  being  offered in
connection with the formation of a holding company and there is compliance  with
General Instruction G, check the following box. / /
                            ------------------------

                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
                                                                     PROPOSED
                                                    PROPOSED          MAXIMUM
                                   AMOUNT TO         MAXIMUM         AGGREGATE        AMOUNT OF
    TITLE OF EACH CLASS OF            BE         OFFERING PRICE      OFFERING       REGISTRATION
 SECURITIES TO BE REGISTERED    REGISTERED (1)    PER SHARE (2)      PRICE (2)           FEE
<S>                             <C>              <C>              <C>              <C>
Common Stock (no par value)     3,073,000 Shs.       $61.16        $170,000,000        $4,118
</TABLE>

(1)  Based upon an estimate of the maximum  number of shares of the Common Stock
    of the Registrant, no par value per share, issuable in the merger  described
    herein.

(2)  Estimated  solely  for  purposes of  calculating  the  registration  fee in
    accordance with Rule 457(f)(2) under the Securities Act of 1933, as amended.
    The book value  of the securities  to be  received by the  Registrant as  of
    February 28, 1995 was $11,940,011. 1/29 of 1% of $11,940,011 is $4,118.

    THE  REGISTRANT HEREBY  AMENDS THIS REGISTRATION  STATEMENT ON  SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A  FURTHER  AMENDMENT  WHICH SPECIFICALLY  STATES  THAT  THIS  REGISTRATION
STATEMENT  SHALL THEREAFTER BECOME EFFECTIVE IN  ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT  OF 1933  OR UNTIL  THE REGISTRATION  STATEMENT SHALL  BECOME
EFFECTIVE  ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<PAGE>
                                3COM CORPORATION
              CROSS-REFERENCE SHEET SHOWING LOCATION IN PROSPECTUS
                  OF INFORMATION REQUIRED BY ITEMS OF FORM S-4

<TABLE>
<CAPTION>
FORM S-4 REGISTRATION STATEMENT
ITEM AND HEADING                                   LOCATION IN PROSPECTUS
-------------------------------------------  -----------------------------------
<C>     <S>                                  <C>
                          (Information about the Transaction)
    1.  Forepart of the Registration
         Statement and Outside Front Cover
         Page of Prospectus................  Outside Front Cover Page
    2.  Inside Front and Outside Back Cover
         Pages of Prospectus...............  Inside Front and Outside Back Cover
                                             Pages
    3.  Risk Factors, Ratio of Earnings to
         Fixed Charges and Other
         Information.......................  Summary; The Merger and Related
                                              Transactions; Terms of the Merger;
                                              Risk Factors; Information
                                              Concerning Primary Access;
                                              Description of 3Com Capital Stock;
                                              Index to Financial Statements
    4.  Terms of the Transaction...........  Summary; The Merger and Related
                                              Transactions; Terms of the Merger;
                                              Comparison of Rights of Holders of
                                              3Com Common Stock and Holders of
                                              Primary Access Common Stock
    5.  Pro Forma Financial Information....  Unaudited Pro Forma Combined
                                             Financial Statements
    6.  Material Contracts with the Company
         Being Acquired....................  The Merger and Related Transactions
    7.  Additional Information Required for
         Reoffering by Persons and Parties
         Deemed to be Underwriters.........                   *
    8.  Interests of Named Experts and
         Counsel...........................  Experts; Legal Matters
    9.  Disclosure of Commission Position
         on Indemnification for Securities
         Act Liabilities...................                   *
                           (Information about the Registrant)
   10.  Information with Respect to S-3
         Registrants.......................                   *
   11.  Incorporation of Certain
         Information by Reference..........                   *
   12.  Information with Respect to S-2 or
         S-3 Registrants...................                   *
   13.  Incorporation of Certain
         Information by Reference..........                   *
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FORM S-4 REGISTRATION STATEMENT
ITEM AND HEADING                                   LOCATION IN PROSPECTUS
-------------------------------------------  -----------------------------------
<C>     <S>                                  <C>
   14.  Information with Respect to
         Registrants Other Than S-2 or S-3
         Registrants.......................  Summary; Risk Factors; The Merger
                                             and Related Transactions; Terms of
                                              the Merger; 3Com Management's
                                              Discussion and Analysis of
                                              Financial Condition and Results of
                                              Operations; Information Concerning
                                              3Com; Description of 3Com Capital
                                              Stock; Index to Financial
                                              Statements
                     (Information about the Company being Acquired)
   15.  Information with Respect to S-3
         Companies.........................                   *
   16.  Information with Respect to S-2 or
         S-3 Companies.....................                   *
   17.  Information with Respect to
         Companies other than S-3 or S-2
         Companies.........................  Summary; Risk Factors; Consent of
                                              Shareholders of Primary Access;
                                              The Merger and Related
                                              Transactions; Terms of the Merger;
                                              Information Concerning Primary
                                              Access; Index to Financial
                                              Statements
                          (Voting and Management Information)
   18.  Information if Proxies, Consents or
         Authorizations are to be
         Solicited.........................  Outside Front Cover Page; Summary;
                                             Consent of Shareholders of Primary
                                              Access; The Merger and Related
                                              Transactions; Terms of the Merger;
                                              Information Concerning 3Com;
                                              Information Concerning Primary
                                              Access
   19.  Information if Proxies, Consents or
         Authorizations are not to be
         Solicited in an Exchange Offer....                   *
<FN>
------------------------
*Not Applicable.
</TABLE>
<PAGE>
                           PRIMARY ACCESS CORPORATION
                            12230 WORLD TRADE DRIVE
                          SAN DIEGO, CALIFORNIA 92128

Dear Shareholder:

    You  will find  enclosed a  written consent  of the  shareholders of Primary
Access Corporation,  a California  corporation ("Primary  Access"). The  written
consent  ("Consent") requests  your approval  of (i)  the Agreement  and Plan of
Reorganization dated  March  21,  1995 (the  "Reorganization  Agreement")  among
Primary Access, 3Com Corporation, a California corporation ("3Com"), and Anuinui
Acquisition  Corporation, a California corporation and a wholly-owned subsidiary
of 3Com ("Sub"),  pursuant to which  Sub will  be merged with  and into  Primary
Access  (the  "Merger"), resulting  in  Primary Access  becoming  a wholly-owned
subsidiary of 3Com, (ii) the  related Agreement of Merger  to be filed with  the
California  Secretary of  State in  order to  effect the  Merger, and  (iii) the
establishment of an escrow fund pursuant to which claims for indemnification may
be made by 3Com following consummation of the Merger (the "Escrow Fund").

    The Merger will become effective as soon as practicable after all  necessary
regulatory  and shareholder approvals are obtained, and certain other conditions
are satisfied (the "Effective Date"). On the Effective Date, the shareholders of
Primary Access will receive that  number of shares of  common stock of 3Com,  no
par  value ("3Com Common Stock") for each  share of Primary Access capital stock
determined by dividing  $170.0 million  (minus certain adjustments)  by a  value
ranging  from $55.34 to $61.16 and then  dividing such foregoing quotient by the
sum of (i) the total number of issued and outstanding shares of common stock  of
Primary  Access, no par value (the "Primary Access Common Stock"), plus (ii) the
total number of shares of Primary  Access Common Stock issuable upon  conversion
of  all issued and outstanding shares of preferred stock of Primary Access, plus
(iii) the total number  of shares of Primary  Access Common Stock issuable  upon
exercise  of outstanding options and warrants  to purchase Primary Access Common
Stock (the "Exchange Ratio"). At the Effective Date, each option and warrant  to
acquire  shares  of Primary  Access Common  Stock  will be  assumed by  3Com and
converted into  an option  or  warrant, respectively,  to purchase  3Com  Common
Stock.  The number of shares and exercise  price of each option and warrant will
be appropriately adjusted.

    3Com is registering the issuance of the  shares of 3Com Common Stock in  the
Merger  under the Securities  Act of 1933,  as amended. The  number of shares of
3Com Common  Stock issued  to  Primary Access  shareholders will  be  determined
according  to  the Exchange  Ratio.  The Merger  is  intended to  be  a tax-free
reorganization which  will not  result in  recognition of  any gain  or loss  by
Primary Access, Primary Access shareholders or 3Com.

    Your Board of Directors has carefully considered the terms and conditions of
the  proposed Merger and has determined that the Merger is in the best interests
of Primary Access and its shareholders.  THE BOARD OF DIRECTORS HAS  UNANIMOUSLY
RECOMMENDED THAT THE SHAREHOLDERS OF PRIMARY ACCESS APPROVE THE MERGER.

    In  the material  accompanying this  letter you  will find  a Consent  and a
Prospectus/Consent Solicitation Statement relating to the actions to be taken by
the Primary Access shareholders pursuant to the Consent. The  Prospectus/Consent
Solicitation  Statement more  fully describes  the proposed  Merger and includes
information about Primary Access and 3Com. I urge you to read and consider these
materials carefully. PLEASE COMPLETE, SIGN, DATE AND RETURN YOUR CONSENT IN  THE
ENCLOSED ENVELOPE.

    The Merger is scheduled to be consummated on      , 1995. In order to assure
that  your shares are  voted on this  important matter, you  are requested to be
complete and sign  your consent and  return it  in the enclosed  envelope on  or
before      , 1995.

    On behalf of your Board of Directors, thank you for your continued support.

                                          Sincerely,
                                          William R. Stensrud
                                          PRESIDENT AND CHIEF EXECUTIVE OFFICER
<PAGE>
                          3COM CORPORATION PROSPECTUS/
                           PRIMARY ACCESS CORPORATION
                         CONSENT SOLICITATION STATEMENT

    3Com   Corporation,  a   California  corporation   ("3Com"),  has   filed  a
Registration Statement  on  Form S-4  (the  "Registration Statement")  with  the
Securities and Exchange Commission (the "SEC") pursuant to the Securities Act of
1933,  as amended, covering up  to 3,073,000 shares of  its Common Stock, no par
value ("3Com Common Stock"), to be issued in connection with the proposed merger
(the "Merger") of Anuinui Acquisition Corporation, a California corporation  and
a  wholly-owned  subsidiary  of  3Com  ("Sub"),  with  and  into  Primary Access
Corporation, a California corporation ("Primary Access"), pursuant to the  terms
set  forth in the Agreement and Plan of Reorganization entered into by and among
3Com, Sub and  Primary Access dated  as of March  21, 1995 (the  "Reorganization
Agreement").

    Pursuant  to  the Reorganization  Agreement,  upon the  consummation  of the
Merger, Primary  Access  will become  a  wholly-owned subsidiary  of  3Com,  and
Primary  Access Stock (as defined  below) will be converted  into shares of 3Com
Common Stock. As  used herein,  "Primary Access  Stock" includes  all shares  of
issued  and outstanding Common Stock, no  par value, of Primary Access ("Primary
Access Common Stock") and all shares of issued and outstanding Preferred  Stock,
no  par value, of Primary Access  ("Primary Access Preferred Stock"), other than
those shares held  by holders  who perfect  their dissenters'  rights under  the
California  General Corporation  Law, as  amended (the  "CGCL"). Based  upon the
closing sale price of $58.25 per share  of 3Com Common Stock on March 13,  1995,
and  assuming that  (i) there is  no decrease in  the net book  value of Primary
Access between January  1, 1995  and April 2,  1995, (ii)  12,059,229 shares  of
Primary  Access  Common  Stock  are issued  and  outstanding,  or  issuable upon
exercise of Primary Access Options and Primary Access Warrants (each as  defined
herein),  and  (iii)  fees  and  expenses incurred  by  Primary  Access  and its
shareholders in  connection  with  the  Merger do  not  exceed  $1,750,000,  the
Exchange Ratio will be .2420. Accordingly, based upon the foregoing assumptions,
at  the Effective Date (as defined herein),  by virtue of the Merger and without
any action on  the part of  the holder of  Primary Access Stock,  each share  of
Primary  Access Stock will be converted into  .2420 shares of 3Com Common Stock.
See "Terms of the Merger -- Manner and Basis of Converting Shares."

    Pursuant to  the  Reorganization  Agreement and  in  connection  with  their
indemnification  of 3Com  and certain  of its  affiliates, (i)  at the Effective
Date, 3Com will deposit into escrow certificates representing 10% of the  shares
of  3Com  Common Stock  issued to  the holders  of Primary  Access Stock  in the
Merger, on a pro  rata basis, and (ii)  10% of the shares  of 3Com Common  Stock
issued  upon each exercise during the period  between the Effective Date and one
year after  the Effective  Date of  3Com Options  (as defined  herein) that  are
issued  in the Merger  to holders of  Primary Access Options.  See "Terms of the
Merger -- Escrow and Indemnification."

    This  3Com   Corporation  Prospectus/Primary   Access  Corporation   Consent
Solicitation Statement ("Prospectus/Consent Solicitation Statement") constitutes
(a)  the Prospectus of 3Com filed as part of the Registration Statement, and (b)
the  Consent  Solicitation   Statement  of  Primary   Access  relating  to   the
solicitation  of Consents  (as defined  herein) of  the shareholders  of Primary
Access. All information herein with respect to Primary Access has been furnished
by Primary Access and all  information herein with respect  to 3Com and Sub  has
been  furnished by 3Com. This Prospectus/Consent Solicitation Statement is first
being mailed to shareholders of Primary Access on or about March   , 1995.

    SEE "RISK  FACTORS" FOR  A DISCUSSION  OF CERTAIN  FACTORS WHICH  SHOULD  BE
CONSIDERED   BY   PRIMARY   ACCESS  SHAREHOLDERS   BEFORE   CONSENTING   TO  THE
REORGANIZATION AGREEMENT.

    NEITHER THIS TRANSACTION NOR THE SECURITIES OF 3COM OFFERED HEREBY HAVE BEEN
APPROVED OR DISAPPROVED BY THE SECURITIES  AND EXCHANGE COMMISSION OR ANY  STATE
SECURITIES  COMMISSION NOR  HAS THE  SECURITIES AND  EXCHANGE COMMISSION  OR ANY
STATE SECURITIES  COMMISSION  PASSED  UPON  THE ACCURACY  OR  ADEQUACY  OF  THIS
PROSPECTUS/CONSENT SOLICITATION STATEMENT. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.

 The date of this Prospectus/Consent Solicitation Statement is March   , 1995.
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
<S>                                                                                                          <C>
AVAILABLE INFORMATION......................................................................................           4
INFORMATION PROVIDED BY 3COM AND PRIMARY ACCESS............................................................           4
SUMMARY....................................................................................................           5
  The Companies............................................................................................           5
  Solicitation of Consents of Shareholders of Primary Access...............................................           6
  The Merger...............................................................................................           6
MARKET PRICE DATA..........................................................................................          11
SELECTED HISTORICAL AND UNAUDITED PRO FORMA COMBINED FINANCIAL DATA........................................          12
COMPARATIVE PER SHARE DATA.................................................................................          16
RISK FACTORS...............................................................................................          18
CONSENT OF SHAREHOLDERS OF PRIMARY ACCESS..................................................................          20
  General..................................................................................................          20
  Record Date and Outstanding Shares.......................................................................          21
  Consent Required.........................................................................................          21
  Expenses.................................................................................................          21
  Procedure................................................................................................          22
THE MERGER AND RELATED TRANSACTIONS........................................................................          22
  Background of the Merger.................................................................................          22
  Joint Reasons for the Merger.............................................................................          23
  Further 3Com Background and Reasons for the Merger.......................................................          24
  Further Primary Access Reasons for the Merger............................................................          24
  Conduct of Primary Access if Merger Not Consummated......................................................          25
TERMS OF THE MERGER........................................................................................          25
  Effective Date of the Merger.............................................................................          25
  Manner and Basis of Converting Shares....................................................................          25
  Voting Agreements........................................................................................          28
  Company Option Agreement.................................................................................          28
  Assumption of Primary Access Options.....................................................................          30
  Assumption of Primary Access Warrants....................................................................          30
  Escrow and Indemnification...............................................................................          31
  Conduct of the Business of the Combined Companies Following the Merger...................................          33
  Employee Benefits and Severance Arrangements.............................................................          33
  Indemnification of Primary Access Directors and Officers.................................................          34
  Conduct of Primary Access' and 3Com's Businesses Prior to the Merger.....................................          34
  Conditions to the Merger.................................................................................          36
  Termination or Amendment of Reorganization Agreement.....................................................          37
  Certain Federal Income Tax Considerations................................................................          38
  Affiliates Agreements....................................................................................          40
  Governmental and Regulatory Approvals....................................................................          40
  Non-Compete and Severance Agreements.....................................................................          41
  Accounting Treatment.....................................................................................          41
  Dissenters' Rights.......................................................................................          41
UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS..........................................................          44
INFORMATION CONCERNING 3COM................................................................................          61
  Business.................................................................................................          61
  3Com Management's Discussion and Analysis of Financial Condition and Results of Operations...............          69
  Management...............................................................................................          75
  Executive Compensation and Other Matters.................................................................          72
</TABLE>

                                       2
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
INFORMATION CONCERNING PRIMARY ACCESS......................................................................          76
<S>                                                                                                          <C>
  Business.................................................................................................          76
  Primary Access Management's Discussion and Analysis of Financial Condition and Results of Operations.....          84
  Executive Officers and Directors.........................................................................          80
  Principal Shareholders...................................................................................          80
DESCRIPTION OF 3COM CAPITAL STOCK..........................................................................          91
  Common Stock.............................................................................................          91
  Certain Charter Provisions...............................................................................          91
  Preferred Stock..........................................................................................          91
  Rights Plan..............................................................................................          91
COMPARISON OF RIGHTS OF HOLDERS OF 3COM COMMON STOCK AND HOLDERS OF PRIMARY ACCESS STOCK...................          92
EXPERTS....................................................................................................          96
LEGAL MATTERS..............................................................................................          96
INDEX TO FINANCIAL STATEMENTS..............................................................................         F-1
APPENDIX A:  AGREEMENT AND PLAN OF REORGANIZATION
APPENDIX B:  CHAPTER 13 OF CALIFORNIA GENERAL CORPORATION LAW
</TABLE>

                                       3
<PAGE>
                             AVAILABLE INFORMATION

    As  permitted by  the rules and  regulations of the  Securities and Exchange
Commission (the  "SEC"), this  Prospectus/Consent Solicitation  Statement  omits
certain   information  contained   in  the  Registration   Statement.  For  such
information, reference is made  to the Registration  Statement and the  exhibits
thereto.  In addition, 3Com is subject to the information reporting requirements
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and  in
accordance therewith files reports, information statements and other information
with  the SEC. Such reports, information statements and other information may be
inspected and copied at the Public Reference Room of the SEC, 450 Fifth  Street,
N.W.,  Washington, D.C.  20549, and  at the SEC's  regional offices  at 500 West
Madison Street,  Suite 1400,  Chicago,  Illinois 60661-2511  and 7  World  Trade
Center,  New York, New York 10048. Copies  of such material may be obtained from
the Public Reference  Section of the  SEC, 450 Fifth  Street, N.W.,  Washington,
D.C.  20549, at  prescribed rates.  3Com Common  Stock is  quoted on  the Nasdaq
National Market,  and certain  of  3Com's proxy  statements, reports  and  other
information  concerning 3Com may  be available for inspection  at the offices of
the National  Association of  Securities  Dealers, Inc.,  1735 K  Street,  N.W.,
Washington, D.C. 20006.

    NO  PERSON  HAS BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION OR  TO  MAKE ANY
REPRESENTATION OTHER THAN AS CONTAINED HEREIN IN CONNECTION WITH THESE  MATTERS,
AND,  IF GIVEN OR  MADE, SUCH INFORMATION  OR REPRESENTATION MUST  NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY  3COM OR PRIMARY ACCESS. NEITHER THE  DELIVERY
HEREOF  NOR  ANY  DISTRIBUTION OF  SECURITIES  MADE HEREUNDER  SHALL,  UNDER ANY
CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS BEEN NO CHANGE IN THE  FACTS
HEREIN  SET FORTH SINCE  THE DATE HEREOF.  THIS PROSPECTUS/ CONSENT SOLICITATION
STATEMENT DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER  TO
BUY  THE SECURITIES OFFERED BY THIS PROSPECTUS/CONSENT SOLICITATION STATEMENT OR
A SOLICITATION OF A CONSENT IN ANY JURISDICTION WHERE, OR TO ANY PERSON TO WHOM,
IT IS UNLAWFUL TO MAKE SUCH AN OFFER OR SOLICITATION.

                INFORMATION PROVIDED BY 3COM AND PRIMARY ACCESS

    The information set forth in this Prospectus/Consent Solicitation  Statement
concerning   3Com  and  Sub  has  been  furnished  by  3Com  and  has  not  been
independently investigated or  verified by Primary  Access, and the  information
set  forth in this Prospectus/Consent  Solicitation Statement concerning Primary
Access has  been furnished  by Primary  Access and  has not  been  independently
investigated or verified by 3Com or Sub.

    3Com,  EtherLink, LANplex, Link Builder, NETBuilder and Parallel Tasking are
registered trademarks of 3Com.  AccessBuilder, HPSN, LinkSwitch, SuperStack  and
Transcend are trademarks of 3Com. Aperture is a trademark of Primary Access. All
rights  are fully reserved. This Prospectus/ Consent Solicitation Statement also
includes trademarks and  trade names of  companies other than  3Com and  Primary
Access.

                                       4
<PAGE>
                                    SUMMARY

    THE  FOLLOWING IS A BRIEF SUMMARY OF CERTAIN INFORMATION CONTAINED ELSEWHERE
IN THIS  PROSPECTUS/  CONSENT  SOLICITATION STATEMENT.  THIS  SUMMARY  DOES  NOT
CONTAIN  A COMPLETE STATEMENT  OF ALL MATERIAL  FEATURES OF THE  PROPOSALS TO BE
AUTHORIZED AND APPROVED BY THE SHAREHOLDERS  OF PRIMARY ACCESS AND IS  QUALIFIED
IN  ITS ENTIRETY  BY THE MORE  DETAILED INFORMATION APPEARING  ELSEWHERE IN THIS
PROSPECTUS/ CONSENT SOLICITATION STATEMENT AND IN THE INFORMATION AND  DOCUMENTS
INCORPORATED  BY REFERENCE HEREIN.  SHAREHOLDERS OF PRIMARY  ACCESS ARE URGED TO
REVIEW  THE   ENTIRE   PROSPECTUS/CONSENT  SOLICITATION   STATEMENT   CAREFULLY,
PARTICULARLY  THE MATTERS REFERRED TO UNDER THE CAPTIONS "RISK FACTORS" AND "THE
MERGER AND RELATED TRANSACTIONS."

THE COMPANIES

    3COM  CORPORATION.    3Com  designs,  develops,  manufactures,  markets  and
supports a broad range of ISO 9000-compliant global data networking connectivity
solutions  for  building/campus  backbone, wide-area  network  ("WAN") backbone,
workgroup, remote office and personal office environments. 3Com offers virtually
all  the   necessary   components  to   build   and  manage   these   networking
infrastructures,  including  routers,  hubs,  remote  access  servers, switches,
adapters and network management  for Ethernet, Token Ring,  FDDI, ATM and  other
high-speed data networks. As data networks have grown in size and importance and
have  become the primary computing environment for many organizations, customers
are demanding  increased performance,  scalability  and network  access.  3Com's
architecture  for scaling performance and extending the reach of customers' data
networks  is  called  High   Performance  Scalable  Networking  ("HPSN").   HPSN
encompasses  the full  breadth of 3Com's  products and provides  a blueprint for
planning,   implementing   and   managing   customers'   connectivity    systems
requirements.  With  an  emphasis on  industry  standards,  interoperability and
investment protection, 3Com solutions are designed to reduce the overall cost of
network ownership.

    3Com's products are marketed  worldwide through multiple indirect  channels,
such  as systems  integrators, value-added resellers,  distributors and original
equipment manufacturers, as well as directly to large customers. 3Com  maintains
sales  offices in 22 countries, service  and support centers on three continents
and manufacturing and distribution  centers in the U.S.  and Europe. 3Com  sells
its  products to a  wide range of  customers in a  variety of markets, including
financial  services,  education,   government,  healthcare,  manufacturing   and
technology.

    3Com  was incorporated in California in  June 1979. 3Com's executive offices
are located at 5400 Bayfront Plaza, Santa Clara, California 95052; its telephone
number at that address is (408) 764-5000.

    PRIMARY ACCESS  CORPORATION.    Primary  Access is  a  leading  supplier  of
software-defined  remote  network  access  platforms  used  to  link  the public
switched telephone  networks  to  backbone computer  networks.  Primary  Access'
product  line, Aperture-TM-, is  currently being manufactured  by Primary Access
for distribution throughout the world.  Aperture is an integrated remote  access
system  for  high-speed  data  transmission  over  both  wireline  and  cellular
networks. Aperture has been deployed in networks in North America and around the
world. Aperture is used by  telecommunications companies (both IXCs and  RBOCs),
cellular  carriers,  Internet access  providers, information  service providers,
VANs and  corporations with  large private  networks to  provide the  connection
between users and information.

    Primary  Access  was incorporated  in  California in  1988.  Primary Access'
executive offices are located at 12230 World Trade Drive, San Diego,  California
92128; its telephone number at that address is (619) 675-4100.

    ANUINUI   ACQUISITION  CORPORATION.    Anuinui  Acquisition  Corporation,  a
California corporation,  is a  corporation recently  organized by  3Com for  the
purpose  of  effecting the  acquisition of  Primary Access.  It has  no material
assets and  has not  engaged in  any activities  except in  connection with  the
proposed  acquisition. Its executive offices are located at 5400 Bayfront Plaza,
Santa Clara, California  95052; its telephone  number at that  address is  (408)
764-5000.

                                       5
<PAGE>
    As  used  in  this  Prospectus/Consent  Solicitation  Statement,  unless the
context requires otherwise, "Primary  Access" means Primary Access  Corporation,
its  predecessors and  its subsidiaries and  "3Com" means  3Com Corporation, its
predecessors and its subsidiaries.

SOLICITATION OF CONSENTS OF SHAREHOLDERS OF PRIMARY ACCESS

    PURPOSE.   The purpose  of  the solicitation  of  the written  consent  (the
"Consents")  from the shareholders  of Primary Access is  to request approval of
(i) the Reorganization Agreement, pursuant to which Sub will be merged with  and
into  Primary  Access,  resulting  in  Primary  Access  becoming  a wholly-owned
subsidiary of 3Com, (ii) the  related Agreement of Merger  to be filed with  the
California  Secretary of State in order to  effect the Merger (the "Agreement of
Merger"), and (iii) the establishment of an escrow fund pursuant to which claims
for indemnification may  be made by  3Com following consummation  of the  Merger
(the "Escrow Fund"). Approval of the foregoing matters shall constitute approval
of  all of  the matters  related to  the Merger  described herein  including the
matters described  under  the  heading  "Terms  of  the  Merger  --  Escrow  and
Indemnification."

    RECORD  DATE AND CONSENT REQUIRED.   Only holders of  record at the close of
business on April   , 1995 (the "Record Date") of issued and outstanding  shares
of  Primary Access Common Stock and  Primary Access Preferred Stock are entitled
to consent to the  authorization and approval  of the Reorganization  Agreement,
the  Agreement of Merger,  the establishment of  the Escrow Fund  and all of the
matters related to the Merger described herein (the "Merger Proposal"). Approval
of the Merger Proposal requires the consent of holders of (i) a majority of  the
outstanding  shares  of  Primary  Access Common  Stock  entitled  to  vote; (ii)
two-thirds of the outstanding shares of Primary Access Preferred Stock  entitled
to vote; and (iii) a majority of the outstanding shares of Primary Access Common
Stock  and Primary Access Preferred Stock entitled to vote, voting together as a
single class. As a condition to  their respective obligations to consummate  the
Merger,  3Com  is  also  requiring that  the  holders  of at  least  92%  of the
outstanding shares  of Primary  Access Stock  consent to  the authorization  and
approval  of the Merger Proposal. See "Terms  of the Merger -- Conditions to the
Merger."

    As of the Record Date, certain  directors and executive officers of  Primary
Access  and certain 5% or  greater shareholders held           shares of Primary
Access Common Stock,  representing     %  of the outstanding  shares of  Primary
Access  Common Stock. In addition, as of  the Record Date, such individuals held
        shares of  Primary Access  Preferred Stock,  representing      % of  the
outstanding  shares  of  Primary Access  Preferred  Stock.  Certain shareholders
holding an aggregate of  83% of the outstanding  shares of Primary Access  Stock
have  entered into agreements with  3Com whereby they have  agreed to consent to
the authorization  and  approval  of  the  Merger  Proposal  and  in  connection
therewith,  have granted irrevocable  proxies to the Board  of Directors of 3Com
covering approximately 971,700 shares of Primary Access Common Stock, or 61%  of
the  outstanding Primary Access Common  Stock, approximately 7,298,900 shares of
Primary Access  Preferred  Stock,  or  87% of  the  outstanding  Primary  Access
Preferred  Stock for a total of approximately 8,270,600 shares of Primary Access
Stock, or 83%, of the outstanding Primary Access Stock. See "Terms of the Merger
-- Voting Agreements."

THE MERGER

    TERMS OF THE  MERGER.  Pursuant  to the Reorganization  Agreement, upon  the
consummation of the Merger, Primary Access will become a wholly-owned subsidiary
of  3Com, and Primary Access Stock will  be converted into shares of 3Com Common
Stock. Based upon  the closing sale  price of  $58.25 per share  of 3Com  Common
Stock  on March 13, 1995, and assuming (i)  there is no decrease in the net book
value of  Primary  Access  between January  1,  1995  and April  2,  1995,  (ii)
12,059,229  shares  of  Primary  Access Stock  are  issued  and  outstanding, or
issuable upon exercise of Primary Access Options and Primary Access Warrants (as
defined herein), and (iii) fees and expenses incurred by Primary Access and  its
shareholders  in  connection  with  the Merger  do  not  exceed  $1,750,000, the
Exchange Ratio will be .2420. Accordingly, based upon the foregoing assumptions,
at the Effective Date (as defined herein),

                                       6
<PAGE>
by virtue of  the Merger and  without any action  on the part  of the holder  of
Primary Access Stock, each share of Primary Access Stock would be converted into
.2420  shares of 3Com Common Stock. See "Terms of the Merger -- Manner and Basis
of Converting Shares."

    The "Exchange Ratio" will be  determined by dividing the Aggregate  Purchase
Price  (as defined  herein) by  the Average Price  (as defined  herein) and then
dividing such foregoing quotient by the sum of (i) the total number of shares of
Primary Access Common  Stock, plus (ii)  the total number  of shares of  Primary
Access  Common Stock  issuable upon conversion  of the  Primary Access Preferred
Stock, plus (iii) the total number  of shares issuable upon exercise of  Primary
Access  Options  (as defined  herein) and  Primary  Access Warrants  (as defined
herein). The "Aggregate Purchase Price" is equal to $170.0 million less  certain
adjustments.  The "Average Price" is  the average of the  closing sale prices of
3Com Common  Stock  reported  in  the  WALL STREET  JOURNAL,  on  the  basis  of
information  provided by the Nasdaq  National Market for each  of the 10 trading
days immediately  preceding (but  not including)  the Closing  Date (as  defined
herein).  The Average Price used  in determining the Exchange  Ratio will not be
greater than $61.16 or less than $55.34. See "Terms of the Merger -- Manner  and
Basis of Converting Shares."

    No  fractional shares of 3Com Common Stock will be issued in connection with
the Merger,  but in  lieu thereof,  holders of  Primary Access  Stock who  would
otherwise be entitled to receive a fraction of a share of 3Com Common Stock will
receive from 3Com, promptly after the Effective Date, an amount of cash equal to
the  Average Price multiplied by the fraction of a share of 3Com Common Stock to
which such holder would otherwise be entitled.

    Based upon the number of shares of  3Com Common Stock outstanding as of  the
Record  Date and without regard to shares, if any, held by shareholders who have
exercised dissenters' rights  and any shares  owned by 3Com  or Primary  Access,
assuming  that no outstanding Primary Access  Options or Primary Access Warrants
are exercised prior  to the Effective  Date, and after  exchange of the  Primary
Access  Stock,  approximately             shares  of 3Com  Common Stock  will be
outstanding immediately after the Effective Date of which approximately
shares, representing      % of  the total,  will be  held by  former holders  of
Primary Access Stock.

    Upon  consummation  of the  Merger, Primary  Access  will be  a wholly-owned
subsidiary of 3Com and may, in the future, be operated as either a  wholly-owned
subsidiary or separate business division of 3Com.

    ASSUMPTION OF PRIMARY ACCESS OPTIONS.  At the Effective Date, each option to
purchase  shares of Primary Access Common Stock which is outstanding immediately
prior to  the  Effective  Date  (other than  the  "Option"  as  defined  herein)
(collectively,  "Primary Access Options") will be  assumed by 3Com and converted
into an option (collectively "3Com Options")  to purchase that number of  shares
of 3Com Common Stock which equals the Exchange Ratio multiplied by the number of
shares  of  Primary Access  Common Stock  purchasable  under the  Primary Access
Option immediately prior  to the Effective  Date (with the  resulting number  of
shares  rounded up to the nearest whole number). The exercise price per share of
3Com Common  Stock purchasable  under each  3Com  Option will  be equal  to  the
exercise  price of the Primary Access Option (per share of Primary Access Common
Stock) divided by the  Exchange Ratio (with the  resulting amount rounded up  to
the  nearest whole  cent). See  "Terms of  the Merger  -- Assumption  of Primary
Access Options."

    ASSUMPTION OF PRIMARY ACCESS WARRANTS.  At the Effective Date, each  warrant
to  purchase Primary Access Common Stock  which is outstanding immediately prior
to the Effective Date (collectively, "Primary Access Warrants") will be  assumed
by   3Com  and  converted   into  a  warrant  to   purchase  3Com  Common  Stock
(collectively, "3Com Warrants"). The 3Com  Warrants will contain the same  terms
and  conditions set  forth in the  respective warrant agreements  of the Primary
Access Warrants that they replace, except  that: (i) each 3Com Warrant shall  be
exercisable  for a number of shares of 3Com  Common Stock equal to the number of
shares of Primary  Access Common  Stock subject  to the  Primary Access  Warrant
immediately  prior to the Effective Date  multiplied by the Exchange Ratio (with
the resulting  number  of  shares  of  3Com  Common  Stock  rounded  up  to  the

                                       7
<PAGE>
nearest  whole number)  and (ii)  the per share  exercise price  under each 3Com
Warrant shall be an amount equal to the per share exercise price of the  Primary
Access  Warrant immediately  prior to the  Closing Date divided  by the Exchange
Ratio (with the  resulting amount  rounded up to  the nearest  whole cent).  See
"Terms of the Merger -- Assumption of Primary Access Warrants."

    ESCROW  AND INDEMNIFICATION.   At the  Effective Date, 3Com  will deposit in
escrow certificates representing 10% of the  shares of 3Com Common Stock  issued
to  the holders of Primary Access Stock in  the Merger, on a pro rata basis, and
upon each exercise of 3Com Options that  are issued in the Merger to holders  of
Primary  Access Options, if such exercise occurs after the Effective Date and on
or before the final escrow release date, 3Com will deposit in escrow 10% of  the
shares  of 3Com Common Stock issued upon such exercise. Such shares (the "Escrow
Shares") will be registered in the name  of and deposited with the Escrow  Agent
pursuant  to the Reorganization  Agreement to constitute  the "Escrow Fund." The
Escrow Fund will be available to indemnify 3Com for any loss, expense, liability
or other damage (collectively  "Damages") that 3Com  has incurred or  reasonably
anticipates  incurring by  reason of  (i) the  breach by  Primary Access  of any
representation, warranty, covenant or agreement  of Primary Access contained  in
the  Reorganization Agreement, or by reason  of any misrepresentation by Primary
Access made in or pursuant to Section 3 of the Reorganization Agreement, or (ii)
the claims raised in certain  litigation pending against Primary Access.  Claims
against  the Escrow Fund shall  be 3Com's sole remedy  for any such breaches and
misrepresentations following the Merger. 3Com's right to receive shares from the
Escrow Fund  is subject  to certain  limitations. See  "Terms of  the Merger  --
Escrow and Indemnification."

    REASONS  FOR THE  MERGER.  3Com  and Primary Access  have identified several
potential benefits  of the  Merger  that they  believe  will contribute  to  the
success  of  the  combined  company,  including  the  following:  (i)  extensive
offerings of data networking and  access products; (ii) the technical  resources
of  Primary  Access;  (iii) the  combined  technological resources  of  3Com and
Primary Access; (iv) the ability to combine sales and marketing resources of the
two companies; and  (v) cost  efficiencies and  synergies. See  "The Merger  and
Related Transactions -- Joint Reasons for the Merger."

    RECOMMENDATION  OF  THE  PRIMARY ACCESS  BOARD  OF  DIRECTORS.   All  of the
directors of  Primary Access  have authorized  and approved  the  Reorganization
Agreement  and believe  that the  Merger is  fair and  in the  best interests of
Primary Access and its shareholders.  Such directors recommend that the  Primary
Access  shareholders consent  to the  authorization and  approval of  the Merger
Proposal. In the  event that  the proposed  Merger is  not consummated,  Primary
Access  would  continue  to operate  its  business as  previously  conducted. In
addition, it is anticipated that  Primary Access would discuss possible  sources
of  capital financing with its financial  advisors, including the possibility of
an  initial  public  offering  or  joint  venture  arrangement  with  a  company
possessing  complementary technologies. See "The Merger and Related Transactions
-- Further Primary Access Background and Reasons for the Merger."

    FINANCIAL ADVISORS.    Morgan Stanley  &  Co. ("Morgan  Stanley")  has  been
retained  by 3Com to act as its  financial advisor in connection with the Merger
and  related  matters.  Primary   Access  has  retained  Montgomery   Securities
("Montgomery") to act as its financial advisor in connection with the Merger and
related   matters.  See  "The  Merger  and  Related  Transactions  --  Financial
Advisors."

    CLOSING; EFFECTIVE DATE OF THE MERGER.  The closing in respect of the Merger
(the "Closing") shall occur  as soon as possible  following the satisfaction  or
waiver of all conditions set forth in the Reorganization Agreement (the "Closing
Date").  See "Terms of  the Merger -- Conditions  to the Merger." Simultaneously
with the Closing, the Agreement of Merger, together with all required  officers'
certificates,  shall be filed with the offices  of the Secretary of State of the
State of California. The Merger shall become effective immediately upon the date
stamped by the California Secretary of State upon the Agreement of Merger  (such
date  is referred to  as the "Effective  Date"). Assuming all  conditions to the
Merger are met  or waived prior  thereto, it is  anticipated that the  Effective
Date will occur on or about             , 1995.

                                       8
<PAGE>
    EXCHANGE OF PRIMARY ACCESS STOCK CERTIFICATES.  Within 15 days following the
Effective  Date, The First  National Bank of Boston  (the "Exchange Agent") will
mail a  letter of  transmittal with  instructions to  all holders  of record  of
Primary  Access  Stock  immediately prior  to  the  Effective Date,  for  use in
exchanging their certificates  representing shares of  Primary Access Stock  for
certificates  representing shares  of 3Com Common  Stock and a  cash payment for
fractional shares, if any. CERTIFICATES SHOULD NOT BE SURRENDERED BY THE HOLDERS
THEREOF UNTIL THEY RECEIVE  THE LETTER OF TRANSMITTAL  FROM THE EXCHANGE  AGENT.
See "Terms of the Merger -- Manner and Basis of Converting Shares."

    CONDITIONS  TO THE MERGER;  TERMINATION AND AMENDMENT.   Consummation of the
Merger is  subject to  the  satisfaction of  various  conditions which,  if  not
fulfilled  or waived,  permit termination  of the  Reorganization Agreement. The
Reorganization Agreement may be  terminated prior to the  Closing by the  mutual
written consent of the parties or unilaterally by 3Com or Primary Access, if the
conditions  to its respective obligations at the Closing have not been fulfilled
at and as of the Closing (if such terminating party is not in breach), or by any
party (if such party is not in material breach) if the Closing has not  occurred
by  June 30, 1995, or such  later date as the parties  may agree in writing. Any
term or provision  of the  Reorganization Agreement may  be amended  only by  an
instrument  in writing signed by the parties  to be bound thereby. See "Terms of
the Merger -- Conditions to the Merger" and "Terms of the Merger --  Termination
or Amendment of Reorganization Agreement."

    COMPANY OPTION AGREEMENT.  Primary Access has granted to 3Com an option (the
"Option")  to purchase shares of Primary Access  Common Stock in an amount equal
to 20% of the fully diluted outstanding shares of Primary Access Stock (assuming
the issuance and  exercise of such  option) at  a purchase price  of $14.14  per
share, exercisable following: (i) an offer for at least 20% of the fully diluted
capital stock of Primary Access shall have been made or proposed and accepted by
holders  of at least  20% of the  fully diluted capital  stock of Primary Access
(other than by 3Com),  (ii) an acquisition  of at least  20% of the  outstanding
shares  of Primary  Access Stock  (other than  by 3Com,  its affiliates  or a 5%
shareholder of Primary Access as of  the date of the Reorganization  Agreement);
or (iii) an agreement between Primary Access and a third party or parties (other
than  with 3Com or  its affiliates) for  the acquisition of  Primary Access or a
controlling interest  therein.  See  "Terms  of the  Merger  --  Company  Option
Agreement."

    VOTING  AGREEMENTS.  Certain directors,  executive officers and shareholders
of Primary  Access  holding an  aggregate  of approximately  971,700  shares  of
Primary  Access Common Stock, or 61% of the outstanding shares of Primary Access
Common Stock,  and an  aggregate of  approximately 7,298,900  shares of  Primary
Access  Preferred  Stock, or  87% of  the outstanding  shares of  Primary Access
Preferred Stock entered  into Voting  Agreements with 3Com  whereby they  agreed
that until the earliest to occur of the Effective Date or the termination of the
Reorganization  Agreement,  such persons  shall at  every  meeting and  on every
written consent solicited, vote in favor of approval of the Merger Proposal  and
against  approval of any proposal  made in opposition to  or in competition with
consummation of the Merger. Each  such Primary Access shareholder has  delivered
to  3Com's Board  of Directors an  irrevocable proxy permitting  3Com's Board of
Directors to  vote such  shares in  such  manner. See  "The Merger  and  Related
Transactions -- Voting Agreements."

    NON-COMPETE  AND SEVERANCE  AGREEMENTS.  William  Stensrud, President, Chief
Executive Officer, director and a  principal shareholder of Primary Access,  and
James  Dunn,  Chief  Technical Officer,  Vice  President,  Advanced Development,
director and a principal shareholder of Primary Access, will execute non-compete
and severance agreements with 3Com prior to Closing. See "Terms of the Merger --
Conditions to the  Merger" and  "Terms of  Merger --  Non-Compete and  Severance
Agreements."

    CERTAIN  FEDERAL  INCOME  TAX CONSIDERATIONS.    The Merger  is  intended to
qualify as a reorganization  under Section 368 of  the Internal Revenue Code  of
1986,  as amended (the  "Code"). If it does  so qualify, no  gain or loss should
generally be recognized by the shareholders of Primary Access on the exchange of
their shares  of  Primary Access  Stock  for shares  of  3Com Common  Stock.  In
connection

                                       9
<PAGE>
with  the Merger, Gray Cary Ware &  Freidenrich and Brobeck, Phleger & Harrison,
counsel to 3Com and Primary Access, respectively, are delivering their  opinions
to  the effect  that the  Merger will  constitute a  "reorganization" within the
meaning of Section  368(a) of  the Code.  See "Terms  of the  Merger --  Certain
Federal Income Tax Considerations."

    ACCOUNTING  TREATMENT.  The Merger is expected to meet all of the conditions
for treatment as a  pooling of interests for  accounting purposes. Prior to  the
execution of the Reorganization Agreement, 3Com and Primary Access received from
Deloitte  & Touche LLP  and KPMG Peat Marwick  LLP, their respective independent
accountants, determination letters to the effect that they know of nothing  that
would  prohibit the  Merger from  being treated  as a  pooling of  interests for
accounting purposes. See "Terms of Merger -- Accounting Treatment."

    GOVERNMENTAL AND REGULATORY APPROVALS.  3Com and Primary Access are aware of
no governmental or regulatory approvals required for consummation of the Merger,
other than compliance with applicable "blue sky" laws of the various states. The
consummation of the Merger is also subject to the expiration and termination  of
the  relevant waiting period under  the Hart-Scott-Rodino Antitrust Improvements
Act of 1976, as amended (the "HSR Act").

    DISSENTERS' RIGHTS.   Holders  of Primary  Access Stock  who object  to  the
Merger  may, under certain circumstances  and by following procedures prescribed
by the CGCL, exercise  dissenters' rights and receive  cash for their shares  of
Primary  Access Stock in an amount equal to the fair value of the Primary Access
Stock as determined  pursuant to such  procedures. The failure  of a  dissenting
shareholder of Primary Access to follow the appropriate procedures may result in
the  termination or waiver  of such rights.  In the event  that a Primary Access
shareholder who attempts to  exercise dissenters' rights should  fail to make  a
proper  demand  for  payment  or  otherwise loses  his  status  as  a dissenting
shareholder, such Primary Access shareholder  shall be entitled to receive  from
3Com  the same number of shares of 3Com Common Stock and cash payment in lieu of
any fractional share that such Primary Access shareholder would have received in
the Merger if he had not attempted to exercise dissenters' rights. See "Terms of
the Merger -- Dissenters' Rights."

    COMPARISON OF  SHAREHOLDERS'  RIGHTS.   The  Articles of  Incorporation  and
Bylaws  of  3Com and  Primary Access  contain differences,  some of  which could
materially  affect  the   rights  of  shareholders   of  Primary  Access   after
consummation  of the Merger. See "Comparison of Rights of Holders of 3Com Common
Stock and Holders of Primary Access Stock."

    ACQUISITION OF  SONIX  COMMUNICATIONS LIMITED.    On March  22,  1995,  3Com
entered  into  and  announced  an  agreement  with  the  shareholders  of  Sonix
Communications Limited ("Sonix") pursuant to which 3Com will acquire 100% of the
outstanding stock of Sonix. The transaction is expected to close on May 1, 1995,
and the unaudited pro forma combined financial statements contained herein  give
effect  to  the anticipated  combination  of Sonix  with  3Com on  a  pooling of
interests basis. See "Information Concerning 3Com -- Business -- Introduction --
Recent Developments."

                                       10
<PAGE>
                               MARKET PRICE DATA

    Neither Primary Access Common  Stock nor Primary  Access Preferred Stock  is
traded in an established public market.

    The  Common Stock of 3Com has been traded in the over-the-counter market and
quoted on the Nasdaq National Market under the Nasdaq symbol "COMS" since 3Com's
initial public offering on  March 21, 1984. The  following table sets forth  the
range  of high and low sale prices for  the Common Stock of 3Com for the periods
indicated (adjusted  to reflect  a 2-for-1  stock split  effective September  1,
1994), all as reported by Nasdaq:

<TABLE>
<CAPTION>
                                                                HIGH        LOW
                                                               -------    -------
<S>                                                            <C>        <C>
FISCAL YEAR ENDED MAY 31, 1993
  First Quarter.............................................   $ 6 11/16  $ 4 13/16
  Second Quarter............................................    12          5 5/8
  Third Quarter.............................................    17 5/16    10 11/16
  Fourth Quarter............................................    20         12 15/16
FISCAL YEAR ENDED MAY 31, 1994
  First Quarter.............................................   $14 5/8    $ 9 13/16
  Second Quarter............................................    18 1/2     12 1/16
  Third Quarter.............................................    31 5/8     17 11/16
  Fourth Quarter............................................    31 7/8     23 7/32
FISCAL YEAR ENDING MAY 31, 1995
  First Quarter.............................................   $34 9/16   $20 1/8
  Second Quarter............................................    46         31 1/2
  Third Quarter.............................................    52 5/8     40 1/8
  Fourth Quarter (through March 22, 1995)...................    59 3/4     51 7/8
</TABLE>

    On  March 21, 1995, the  last trading day prior  to the announcement by 3Com
and Primary Access that they had reached an agreement concerning the Merger, the
closing price of 3Com Common Stock as reported on the Nasdaq National Market was
$56 1/16 per  share. As  of February 28,  1995, there  were approximately  1,280
shareholders of record of 3Com Common Stock.

    Because the market price of 3Com Common Stock is subject to fluctuation, the
market  value  of  the shares  of  3Com  Common Stock  that  the  Primary Access
shareholders will receive in  the Merger may increase  or decrease prior to  the
Merger.  Primary  Access  shareholders  are urged  to  obtain  a  current market
quotation for 3Com Common Stock.

    Following the Merger, 3Com  Common Stock will continue  to be traded on  the
Nasdaq National Market under the symbol "COMS."

    Neither  3Com nor Primary Access has ever paid cash dividends. If the Merger
is not consummated, the Board of  Directors of Primary Access presently  intends
to  continue a policy of retaining all  earnings to finance the expansion of its
business. Following the Merger,  it is expected that  the Board of Directors  of
3Com  will continue the policy  of not paying cash  dividends in order to retain
earnings for reinvestment in the business of the combined companies.

                                       11
<PAGE>
      SELECTED HISTORICAL AND UNAUDITED PRO FORMA COMBINED FINANCIAL DATA

    The  historical  selected  consolidated  financial  data  of  3Com  and  the
historical  selected financial data  of Primary Access  on pages 13  and 14 have
been derived from their respective historical financial statements and should be
read in conjunction  with such  financial statements  and notes  thereto of  the
separate  companies, included elsewhere  in this Prospectus/Consent Solicitation
Statement. The  historical  selected  financial  data  of  Sonix  Communications
Limited  (Sonix) on  page 14 have  been derived from  their historical financial
statements not included herein. The historical selected unaudited financial data
for 3Com, Primary Access and Sonix for  the six months ended November 30,  1994,
January 1, 1995 and September 30, 1994, respectively, reflect, in the opinion of
the   managements  of  3Com,   Primary  Access  and   Sonix,  respectively,  all
adjustments, consisting only of normal recurring accruals, necessary for a  fair
presentation of the results for such interim periods.

    The  unaudited  selected pro  forma combined  financial data  on page  15 is
calculated after giving effect to the Merger of 3Com and Primary Access and  the
merger of 3Com and Sonix on a pooling of interests basis. The pro forma combined
balance  sheet data assumes that the mergers took place on November 30, 1994 and
combines 3Com's  November 30,  1994 unaudited  consolidated balance  sheet  with
Primary  Access'  January  1,  1995  unaudited  balance  sheet  and  with Sonix'
September 30, 1994 unaudited balance sheet. The pro forma combined statements of
operations data assume that the  mergers took place as  of the beginning of  the
periods  presented and combines  the results of  operations of 3Com  for the six
months ended November 30, 1994  and for the years ended  May 31, 1994, 1993  and
1992  with the results of operations of  Primary Access for the six months ended
January 1, 1995 and  the years ended July  3, 1994, June 27,  1993 and June  28,
1992,  respectively, and the results of operations  for Sonix for the six months
ended September 30, 1994 and  the year ended March 31,  1994 and for the  period
from  May 1, 1992  (date of incorporation)  to March 1,  1993. The unaudited pro
forma combined financial data is not necessarily indicative of future  financial
position  or operations or the  actual results that would  have occurred had the
mergers been consummated as of the beginning of the periods presented above. The
unaudited pro forma combined  financial data is derived  from the unaudited  pro
forma  financial statements  appearing elsewhere  herein and  should be  read in
conjunction with those statements. See  "Unaudited Pro Forma Combined  Financial
Statements".

                                       12
<PAGE>
                                      3COM

                SELECTED HISTORICAL CONSOLIDATED FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                        SIX MONTHS ENDED
                                          NOVEMBER 30,                       YEAR ENDED MAY 31,
                                      --------------------  -----------------------------------------------------
                                        1994       1993       1994       1993       1992       1991       1990
                                      ---------  ---------  ---------  ---------  ---------  ---------  ---------
<S>                                   <C>        <C>        <C>        <C>        <C>        <C>        <C>
Historical consolidated statement of
 operations data:
  Sales.............................  $ 554,088  $ 367,366  $ 826,995  $ 617,168  $ 423,801  $ 413,239  $ 430,283
  Operating income (loss)...........     49,277     54,390      2,942     60,923     11,681    (40,319)    38,612
  Net income (loss)(1)..............     31,105     47,577    (28,694)    38,561      7,958    (23,831)    23,229
  Net income (loss) per common and
   equivalent share(1)..............       0.44       0.72      (0.46)      0.60       0.13      (0.40)      0.38
  Common and equivalent shares used
   in computing per share amounts...     71,138     66,248     62,620     64,292     60,574     60,162     61,846
Historical consolidated balance
 sheet data (end of period):
  Working capital...................  $ 326,373             $ 198,543  $ 196,231  $ 144,564  $ 149,930  $ 173,376
  Total assets......................    630,781               444,343    367,578    298,306    275,056    298,002
  Long-term obligations.............    110,926                 1,058      1,134      7,807      8,128        834
  Shareholders' equity..............    327,775               280,756    258,263    202,425    193,667    235,412
</TABLE>

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

(1)  Net income for the six months ended  November 30, 1994 included a charge of
    approximately $60.8  million  ($.52  per  share)  for  purchased  in-process
    technology  primarily associated with the acquisition of NiceCom, Ltd. and a
    credit of  $1.1  million  ($.01  per  share)  for  a  reduction  in  accrued
    restructuring costs.

    Net  income for the  six months ended  November 30, 1993  included a gain of
    approximately $17.7 million  ($.17 per  share) relating  to the  sale of  an
    investment and a tax benefit of $1.2 million ($.02 per share) resulting from
    retroactive changes relating to the Revenue Reconciliation Act of 1993.

    Net  loss for fiscal 1994 included  a charge of approximately $134.5 million
    ($1.92 per share)  for purchased  in-process technology  resulting from  the
    Company's acquisitions of Synernetics, Inc. and Centrum Communications, Inc.
    and  an exclusive  technology licensing agreement  with Pacific Monolithics,
    Inc.

    Net income  for  fiscal 1993  included  non-recurring items  totalling  $1.3
    million  ($.02 per share)  which consisted of  the net cost  of a litigation
    settlement of $3.6  million, merger  costs of  $1.0 million  related to  the
    acquisition   of  Star-Tek,   Inc.,  offset   by  a   reduction  in  accrued
    restructuring costs of  $3.3 million  based on revised  estimates of  future
    costs.

    Net  income for  fiscal 1992  included a charge  of $10.4  million ($.15 per
    share) for  purchased in-process  technology  resulting from  the  Company's
    acquisition of the data networking products business of BICC Group, plc.

    Net  loss for fiscal  1991 included a restructuring  charge of $67.0 million
    ($.72 per share) related  to the Company's exit  from the workgroup  systems
    business,  the  sale  of  the  Maxess  SNA  connectivity  product  line, the
    amendment of  the Company's  license  agreement with  Microsoft  Corporation
    making  Microsoft solely  responsible for  the standard  LAN Manager network
    operating  system,  and   a  reduction   in  the   Company's  workforce   by
    approximately 12 percent.

    Net  income for  fiscal 1990  included a  charge of  $2.5 million  ($.02 per
    share) accrued for the relocation in fiscal 1991 of the Company's  corporate
    facilities.

                                       13
<PAGE>
                                 PRIMARY ACCESS

                       SELECTED HISTORICAL FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                               THREE MONTHS ENDED
                                                                                           YEAR ENDED
                                              --------------------  --------------------------------------------------------
                                               JAN. 1,    JAN. 2,    OCT. 2,    OCT. 3,    SEPT. 27,   SEPT. 29,   SEPT. 30,
                                                1995       1994       1994       1993        1992        1991        1990
                                              ---------  ---------  ---------  ---------  -----------  ---------   ---------
<S>                                           <C>        <C>        <C>        <C>        <C>          <C>         <C>
Historical statement of operations data:
  Sales.....................................  $   7,543  $   6,034  $  26,518  $  24,052   $  13,798    $5,796      $  259
  Operating income (loss)...................      1,139        688      3,678      4,939       1,285    (3,297)     (4,048)
  Net income (loss).........................        874        554      3,000      4,478       1,116    (3,367)     (3,909)
  Net income (loss) per common and
   equivalent share.........................       0.08       0.06       0.26       0.47        0.12     (0.72)      (1.12)
  Common and equivalent shares used in
   computing per share amounts..............     11,461      9,664     11,331      9,512       9,313     4,692       3,497
Historical balance sheet data (end of
 period):
  Working capital...........................  $  10,235             $  10,243  $   7,770   $   3,556    $  487      $  371
  Total assets..............................     17,364                16,603     12,897       7,285     2,741       1,604
  Long-term obligations.....................         --                    72        171         233       418         133
  Shareholders' equity (deficit)............     12,693                11,817      8,673       4,103      (172)        695
</TABLE>

                                     SONIX
                       SELECTED HISTORICAL FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                          NINE MONTHS ENDED          YEAR ENDED
                                                                             DECEMBER 31,            MARCH 31,
                                                                         --------------------  ----------------------
                                                                           1994       1993       1994      1993 (1)
                                                                         ---------  ---------  ---------  -----------
<S>                                                                      <C>        <C>        <C>        <C>
Historical statement of operations data: (2)
  Sales................................................................  $  15,268  $   4,080  $   7,427   $     905
  Operating income (loss)..............................................      2,923       (354)      (457)     (2,010)
  Net income (loss)....................................................      2,486       (685)      (923)     (2,111)
  Net income (loss) per common and equivalent share....................       4.14      (1.14)     (1.54)      (3.52)
  Common and equivalent shares used in computing per share amounts.....        600        600        600         600
Historical balance sheet data: (2)
  Working capital......................................................  $   2,490  $     221  $     490   $     197
  Total assets.........................................................      8,566      3,688      5,316       2,263
  Long-term obligations................................................      2,825      2,743      3,275       1,960
  Shareholders' equity (deficit).......................................        398     (1,992)    (2,245)     (1,279)
<FN>
------------------------------

(1)        For the period from May 1, 1992 (date of incorporation) to March 31, 1993.
(2)        Sonix  maintains its accounting records in pounds Sterling.  Historical statement of operations data has been
           translated into U.S. dollars at  the average exchange rates during  the periods presented and the  historical
           balance  sheet data has been translated into U.S. dollars at  the exchange rates in effect at the end of each
           period presented.
</TABLE>

                                       14
<PAGE>
                         3COM, PRIMARY ACCESS AND SONIX

                   SELECTED PRO FORMA COMBINED FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                     SIX MONTHS
                                                                       ENDED
                                                                    NOVEMBER 30,        YEAR ENDED MAY 31,
                                                                    ------------  -------------------------------
                                                                        1994        1994       1993       1992
                                                                    ------------  ---------  ---------  ---------
<S>                                                                 <C>           <C>        <C>        <C>
Pro forma combined statement of operations data:
  Sales...........................................................   $  577,984   $ 860,213  $ 640,351  $ 434,080
  Operating income................................................       53,398       6,067     64,024     10,407
  Net income (loss)...............................................       33,611     (27,053)    40,185      7,116
  Net income (loss) per common and equivalent share(1)............         0.45       (0.41)      0.59       0.11
  Common and equivalent shares used in computing per share
   amounts(1).....................................................       75,144      66,256     67,834     62,718

Pro forma combined balance sheet data (end of period):
  Working capital.................................................  $   332,205
  Total assets....................................................      655,470
  Long-term obligations...........................................      113,794
  Shareholders' equity............................................      333,773
  Book value per share(2).........................................         4.80
<FN>
------------------------------
(1)  The pro forma combined net income (loss) per common and equivalent share is
     based upon  the weighted  average number  of common  and equivalent  shares
     (except  where  inclusion  of  common  equivalent  shares  is antidilutive)
     outstanding of 3Com, Primary Access, and Sonix for each period assuming  an
     exchange  ratio of .2420 of a share of  3Com Common Stock for each share of
     Primary Access Stock and 2.0138 shares of 3Com Common Stock for each  share
     of Sonix Stock.

(2)  Book value per share is computed by dividing pro forma shareholders' equity
     by the pro forma number of shares of Common Stock outstanding at the end of
     each  period assuming an exchange ratio of  .2420 of a share of 3Com Common
     Stock for each  share of  Primary Access Stock  and 2.0138  shares of  3Com
     Common Stock for each share of Sonix Stock.
</TABLE>

                                       15
<PAGE>
                           COMPARATIVE PER SHARE DATA
                                  (UNAUDITED)

    The  following table  sets forth  (1) the  historical net  income (loss) per
share and the historical book value per share data for 3Com; (2) the  historical
net  income (loss) per  share and the  historical book value  per share data for
Primary Access;  (3)  the  historical  net  income  (loss)  per  share  and  the
historical  book value per  share data for  Sonix; (4) the  pro forma net income
(loss) per share and the pro forma book value per share data after giving effect
to the proposed  mergers on a  pooling of interests  basis assuming an  exchange
ratio  of .2420 of a share of 3Com Common Stock for each share of Primary Access
Stock and an exchange ratio of 2.0138  shares of 3Com Common Stock per share  of
Sonix Stock and (5) the pro forma equivalent net income (loss) per share and the
pro  forma book value per share for Primary Access. The information presented in
the table should be read in  conjunction with the separate financial  statements
of 3Com and Primary Access and the notes thereto appearing elsewhere herein.

<TABLE>
<CAPTION>
                                                                                                               PRO FORMA
                                                                                                              EQUIVALENT
                                                                   HISTORICAL                                   FOR ONE
                                                      -------------------------------------                     PRIMARY
                                                                     PRIMARY                    PRO FORMA       ACCESS
                                                         3COM      ACCESS (1)    SONIX (2)   COMBINED (3)(4)   SHARE (5)
                                                      -----------  -----------  -----------  ---------------  -----------
<S>                                                   <C>          <C>          <C>          <C>              <C>
NET INCOME (LOSS) PER SHARE
  Six months ended November 30, 1994................   $    0.44    $    0.15    $    2.68      $    0.45      $    0.11
  Fiscal year
    1994............................................       (0.46)        0.27        (1.54)         (0.41)         (0.10)
    1993............................................        0.60         0.47        (3.52)          0.59           0.14
    1992............................................        0.13        (0.16)      --               0.11           0.03
BOOK VALUE PER SHARE
  November 30, 1994 (6).............................   $    4.97    $    1.27    $    (.99)     $    4.80      $    1.16
  May 31, 1994 (6)..................................        4.32         1.10        (3.74)          4.13           1.00
<FN>
------------------------
(1)  The  historical net income (loss) and book value amounts for Primary Access
     reflect all shares of Primary Access Preferred Stock on an  as-if-converted
     basis.  For comparative purposes  of this table,  the periods presented for
     the historical net income  (loss) per share of  Primary Access are the  six
     months  ended January 1, 1995 and the fiscal years ended July 3, 1994, June
     27, 1993 and June 28, 1992.  The periods presented for the historical  book
     value per share of Primary Access are January 1, 1995 and July 3, 1994.
(2)  For  comparative  purposes of  this table,  the  periods presented  for the
     historical net income (loss)  per share of Sonix  are the six months  ended
     September  30, 1994 and the fiscal year  ended March 31, 1994 and March 31,
     1993. The periods  presented for  the historical  book value  per share  of
     Sonix are September 30, 1994 and March 31, 1994.
(3)  Total transaction costs to be incurred by 3Com, Primary Access and Sonix in
     connection  with the mergers  are estimated at  approximately $6.1 million.
     These costs relate  primarily to investment  banking, legal and  accounting
     services.  These costs  are expected  to be  charged against  income of the
     combined company  in the  quarter  and fiscal  year  ending May  31,  1995.
     Accordingly,  the effects  of these  costs have  not been  reflected in the
     above comparative net income (loss) per share data.
(4)  The  unaudited  pro  forma  combined  net  income  (loss)  per  common  and
     equivalent  share is based  upon the weighted average  number of common and
     equivalent shares  of  3Com,  Primary  Access and  Sonix  for  each  period
     assuming  an exchange ratio  of .2420 of  a share of  3Com Common Stock for
     each share of Primary Access Stock  and an exchange ratio of 2.0138  shares
     of  3Com Common Stock for each share of Sonix Stock. Net income of 3Com for
     the six  months ended  November 30,  1994 has  been combined  with the  net
     income  of Primary Access for the six months ended January 1, 1995 and with
     the net income of Sonix  for the six months  ended September 30, 1994.  Net
     income  (loss) of 3Com for the years ended  May 31, 1994, 1993 and 1992 has
     been combined with the  net income (loss) of  Primary Access for the  years
     ended  July 3, 1994, June 27, 1993 and June 28, 1992, and with the net loss
     of Sonix for the years ended March 31, 1994 and 1993 respectively, for this
     calculation.
</TABLE>

                                       16
<PAGE>

<TABLE>
<S>  <C>
(5)  The unaudited pro  forma equivalent  Primary Access per  share amounts  are
     calculated  by multiplying the pro forma  combined per share amounts by the
     exchange ratio of .2420 of a share  of 3Com Common Stock for each share  of
     Primary Access Stock.
(6)  Historical  book  value per  share  is computed  by  dividing shareholders'
     equity by the number of  shares of common stock  outstanding at the end  of
     each period, assuming the conversion of Primary Access Preferred Stock into
     Primary  Access Common  Stock. Pro forma  combined book value  per share is
     computed by dividing  pro forma  combined shareholders' equity  by the  pro
     forma  combined number of shares of common stock outstanding as of November
     30, 1994 and May 31, 1994 for 3Com, as of January 1, 1995 and July 3,  1994
     for  Primary Access  and as of  September 30,  1994 and March  31, 1994 for
     Sonix, respectively.
</TABLE>

                                       17
<PAGE>
                                  RISK FACTORS

    IN  ADDITION TO THE OTHER INFORMATION REGARDING 3COM, PRIMARY ACCESS AND THE
MERGER  CONTAINED  IN  THIS   PROSPECTUS/CONSENT  SOLICITATION  STATEMENT,   THE
FOLLOWING  FACTORS  SHOULD BE  CONSIDERED CAREFULLY  BY  THE HOLDERS  OF PRIMARY
ACCESS STOCK BEFORE CONSENTING TO THE  AUTHORIZATION AND APPROVAL OF THE  MERGER
PROPOSAL.

    UNCERTAINTIES  RELATED TO THE INTEGRATION OF  PRIMARY ACCESS' BUSINESS.  The
successful combination of companies in the high technology industry may be  more
difficult to accomplish than in other industries. There can be no assurance that
3Com  will  be  successful  in  developing  products  based  on  Primary Access'
technology or engineering expertise, that 3Com will be successful in integrating
its own distribution channels  with those of Primary  Access, that 3Com will  be
successful  in penetrating  Primary Access'  installed customer  base, that 3Com
will be successful in selling Primary Access' products to its own customer base,
that the combined companies  will retain their key  personnel or that 3Com  will
realize any of the other anticipated benefits of the Merger.

    ACQUISITION  STRATEGY.    Acquisitions of  complementary  businesses  are an
active part of  3Com's overall  business strategy.  In addition  to the  Primary
Access  acquisition, 3Com has recently consummated acquisitions of several other
companies, including Nicecom and  AccessWorks Communications, and announced  the
acquisition  of  Sonix.  3Com continually  evaluates  potential  acquisition and
investment opportunities. There can be no assurance that products,  technologies
and businesses of acquired companies will be effectively assimilated into 3Com's
business  or product offerings. In addition, 3Com may incur significant expenses
to complete acquisitions and investments  and to support the acquired  products,
technologies  or  businesses.  There  can  be  no  assurance  that  any acquired
products, technologies  or  businesses will  contribute  to 3Com's  revenues  or
earnings  to  any  material  extent.  Further,  the  challenge  of  managing the
integration of several companies simultaneously is significant, and there can be
no assurance that 3Com will be able to successfully manage such integration.

    NEW PRODUCTS  AND TECHNOLOGICAL  CHANGE.   The  market for  3Com's  products
(including  the product lines of Primary Access to be acquired in the Merger) is
characterized  by  rapidly  changing  technology.  3Com's  success  depends   in
substantial  part on the timely and  successful introduction of new products. An
unexpected change in one or more  of the technologies affecting data  networking
or  in market demand for products based  on a particular technology could have a
material adverse  effect on  3Com's  operating results.  For instance,  a  large
portion  of 3Com's revenues is comprised of  sales of products based on Ethernet
technology. 3Com's operating results could be adversely affected if there is  an
unexpected  change in demand  for products based  on such technology  or if 3Com
does not respond timely and effectively to expected changes. 3Com is engaged  in
research  and development activities in certain  emerging LAN and WAN high-speed
technologies,  such  a  100  Mbps  Ethernet,  ATM  and  ISDN.  As  the  industry
standardizes  on high-speed  technologies, there can  be no  assurance that 3Com
will be able to respond timely  to compete in the marketplace. See  "Information
Concerning  3Com  -- Business"  and  "Information Concerning  Primary  Access --
Business -- Research and Development."

    COMPETITION.  Both 3Com and Primary Access experience and expect substantial
additional competition from established  and emerging computer,  communications,
intelligent  network wiring,  network management and  test instrument companies.
The primary competitors for 3Com's products are Cabletron Systems, Bay  Network,
Inc.,  Cisco Systems,  Intel Corporation and  Standard Microsystems Corporation,
while the primary  competitors for  Primary Access' products  are U.S.  Robotics
Inc.  and Ascend Communications Inc. There can be no assurance that 3Com will be
able to compete  successfully in  the future  with existing  competitors or  new
competitors.  The data  networking industry has  become increasingly competitive
and 3Com's  results may  be adversely  affected by  the actions  of existing  or
future  competitors. Such actions may include  the development or acquisition of
new technologies,  the introduction  of  new products,  the assertion  by  third
parties  of patent or similar intellectual property rights, and the reduction of
prices by competitors to gain or retain market share. Industry consolidation  or
alliances   may  also   affect  the  competitive   environment.  In  particular,
competitive pressures from existing or new competitors who offer lower prices or
introduce new products

                                       18
<PAGE>
could result in delayed or deferred purchasing decisions by potential  customers
and  price reductions,  both of  which would  adversely affect  3Com's sales and
operating margins. See "Information Concerning 3Com Management's Discussion  and
Analysis  of  Financial  Condition  and  Results  of  Operations,"  "Business --
Competition"  and  "Information  Concerning   Primary  Access  --   Management's
Discussion and Analysis of Financial Condition and Results of Operation."

    PRODUCT  PROTECTION AND INTELLECTUAL PROPERTY.  3Com currently relies upon a
combination  of  patents,  copyrights,  trademarks  and  trade  secret  laws  to
establish  and protect its proprietary rights in its products. 3Com maintains as
proprietary the software and  other portions of  the technology incorporated  in
its  products. 3Com has been issued and  has applied for numerous patents in the
United States on various  aspects of its hardware  and software products.  There
can  be no  assurance that the  steps taken  by 3Com to  protect its proprietory
rights will be adequate  to prevent misappropriation of  its technology or  that
3Com's   competitors  will  not  independently  develop  technologies  that  are
substantially equivalent or superior to 3Com's technology. In addition, the laws
of some foreign countries do not  protect 3Com's proprietary rights to the  same
extent  as do the  laws of the United  States. In addition,  no assurance can be
given that any patents currently held or  issued to 3Com in the future will  not
be challenged, invalidated or circumvented or that the rights granted thereunder
will provide competitive advantages.

    From  time-to-time 3Com receives communications from third parties asserting
that 3Com's use of trademarks, or that 3Com's products, infringe or may infringe
the rights of third parties. There can be no assurance that any such claims will
not result  in protracted  and costly  litigation, however,  based upon  general
practice  in  the industry  3Com believes  that such  matters can  ordinarily be
resolved  without  any  material  impact  on  its  results  of  operations.  See
"Information   Concerning  3Com  --  Business  --  Distribution,  Marketing  and
Customers", " -- Product Development" and "-- Proprietary Rights and Licenses."

    MERGER EXPENSES.    The negotiation  and  implementation of  the  Merger  is
currently  anticipated  to result  in  aggregate expenses  (including investment
banking, legal and accounting fees) estimated to be approximately $4.3  million.
In  addition, the merger with Sonix is  expected to result in aggregate expenses
of approximately $1.8 million.  These costs are expected  to be charged  against
income  of 3Com in the fiscal quarter ending May 31, 1995. The Merger may have a
short-term adverse effect on  the net income of  3Com due to the  aforementioned
expenses.  Additional  unanticipated expenses  may be  incurred relating  to the
integration of the businesses of 3Com and Primary Access, including  integration
of  product  lines,  distribution and  administrative  functions.  Although 3Com
expects  that  the  elimination  of  duplicative  expenses  as  well  as   other
efficiencies  related to integration  of these businesses  may offset additional
expenses over time,  there can be  no assurance  that such net  benefit will  be
achieved in the near term, or at all.

    VOLATILITY  OF STOCK PRICE; STOCK  ESCROW.  Based on  the trading history of
its stock, 3Com believes factors such  as announcements of new products by  3Com
or  its  competitors,  sales  of  stock into  the  market  by  existing holders,
quarterly fluctuations in 3Com's financial results and general conditions in the
data networking  market have  caused and  are likely  to continue  to cause  the
market  price of the 3Com Common  Stock to fluctuate substantially. In addition,
technology company stocks have experienced extreme price and volume fluctuations
that often have been unrelated to  the operating performance of such  companies.
This  market volatility may  adversely affect the market  price of 3Com's Common
Stock. See "Market Price Data." Because the market price of 3Com Common Stock is
subject to fluctuation, the market value of the shares of 3Com Common Stock that
the Primary  Access shareholders  will receive  in the  Merger may  increase  or
decrease  prior to the Merger. Primary Access shareholders are urged to obtain a
current market quotation for 3Com Common Stock.

    In addition, at the Effective Date, 3Com will deposit in escrow certificates
representing 10% of the shares of 3Com Common Stock to be issued to the  holders
of  Primary Access Stock in  the Merger, and upon  each exercise of 3Com Options
that are  issued  in  the  Merger  to holders  of  Primary  Access  Options,  in
connection   with  the   indemnification  obligations  of   the  Primary  Access
shareholders. To

                                       19
<PAGE>
the extent  such escrowed  shares are  used to  satisfy these  obligations,  the
Primary  Access shareholders may receive up  to 10% fewer shares than determined
based solely upon the Exchange  Ratio. Further, the Primary Access  shareholders
and  optionholders will be  obligated to indemnify  the Shareholders' Agents (as
defined herein) for losses, liabilities or expenses they may incur in connection
with fulfilling their  duties as  the Shareholders'  Agents. See  "Terms of  the
Merger -- Escrow and Indemnification."

    SMALL  BACKLOG  AND  POTENTIAL  FLUCTUATIONS  IN  QUARTERLY  RESULTS.   3Com
customers place orders on an as  needed basis and 3Com typically ships  products
within  one to four weeks after receipt  of an order. Accordingly, 3Com does not
maintain a substantial backlog, and most of its revenues in each quarter  result
from  orders booked  in that  quarter. 3Com  establishes its  expenditure levels
based on its  expectations as  to future revenues,  and if  revenue levels  were
below expectations this could cause expenses to be disproportionately high. As a
result,  a drop in near  term demand will significantly  affect sales, causing a
disproportionate reduction  in profits  in any  quarter. In  the future,  3Com's
operating  results may fluctuate for  this reason or as a  result of a number of
other factors, including increased competition, variations in the mix of  sales,
announcements  of new products  by 3Com or its  competitors and capital spending
patterns  of  3Com's  customers.  See  "Information  Concerning  3Com  --   3Com
Management's  Discussion  and Analysis  of  Financial Condition  and  Results of
Operations."

    DEPENDENCE UPON  SUPPLIERS.   Some  key components  of 3Com's  products  are
currently  available only from single sources. There can be no assurance that in
the future 3Com's suppliers will be able to meet the demand for components in  a
timely  and  cost  effective  manner.  3Com's  operating  results  and  customer
relationships could be adversely affected by  either an increase in prices  for,
or  an  interruption  or  reduction  in  supply  of,  any  key  components.  See
"Information Concerning 3Com -- Business."

    CERTAIN  CHARTER  PROVISIONS.     Certain  charter  provisions  and   3Com's
shareholder  rights  plan  could  have  the  effect  of  delaying,  deferring or
preventing a change in control of  3Com. In addition, 3Com's charter  eliminates
the  personal monetary liability  of its directors  for breach of  their duty of
care, and  3Com has  entered into  agreements with  its officers  and  directors
indemnifying  them against losses they may  incur in legal proceedings resulting
from their service to 3Com. See "Information Concerning 3Com -- Management"  and
"Description of 3Com Capital Stock."

    ACTS  OF GOD.   3Com's  corporate headquarters  and a  large portion  of its
research and development activities and  other critical business operations  are
located  near  major earthquake  faults. Operating  results could  be materially
adversely affected in the event of a major earthquake.

    ATTRACTION AND  RETENTION  OF  KEY EMPLOYEES.    Competition  for  qualified
personnel  in the computer and communications  industries is intense. The future
success of the combined companies  will depend in large  part on its ability  to
attract  and retain key employees. See "Information Concerning 3Com -- Business"
and "Information Concerning 3Com -- Management."

    MANUFACTURING FACILITIES.   3Com is currently  increasing its  manufacturing
facility capabilities in two locations. While 3Com has significant experience in
expanding  its manufacturing operations, such expansion  may be subject to delay
due to labor  issues, adverse  weather and construction  or other  unforeseeable
delays. See "Information Concerning 3Com -- Business."

                   CONSENT OF SHAREHOLDERS OF PRIMARY ACCESS

GENERAL

    This Prospectus/Consent Solicitation Statement is being furnished to holders
of Primary Access Stock in connection with the solicitation by Primary Access of
shareholder consent to the authorization and approval of the Merger Proposal.

                                       20
<PAGE>
    This  Prospectus/Consent Solicitation Statement contains certain information
set forth more fully in the Reorganization Agreement attached hereto as APPENDIX
A and is qualified in its entirety by reference to the Reorganization Agreement,
which is hereby incorporated herein  by reference. The Reorganization  Agreement
should  be read carefully by each  Primary Access shareholder in formulating his
or her decision with respect to the proposed Merger.

RECORD DATE AND OUTSTANDING SHARES

    Shareholders of record of Primary Access  Stock at the close of business  on
the  Record  Date  are  entitled to  authorize  and  approve  the Reorganization
Agreement, Agreement of  Merger and  establishment of  the Escrow  Fund. On  the
Record Date, there were approximately   shareholders of record and approximately
        shares  of Primary Access Common Stock and approximately          shares
of Primary  Access  Preferred  Stock  issued and  outstanding.  Except  for  the
shareholders  identified herein under "Information  Concerning Primary Access --
Principal Shareholders," on the Record Date there were no other persons known to
the management of Primary Access to be the beneficial owners of more than 5%  of
any outstanding class of Primary Access Stock.

CONSENT REQUIRED

    Approval  of the Merger  Proposal requires the  consent of holders  of (i) a
majority of the outstanding  shares of Primary Access  Common Stock entitled  to
vote;  (ii) two-thirds  of the  outstanding shares  of Primary  Access Preferred
Stock entitled  to vote;  and (iii)  a  majority of  the outstanding  shares  of
Primary Access Common Stock and Primary Access Preferred Stock entitled to vote,
voting  together  as a  single  class. As  a  condition to  their  obligation to
consummate the Merger, 3Com and  Sub are also requiring  that the holders of  at
least  92% of  the outstanding  shares of  Primary Access  Stock consent  to the
authorization and  approval of  the Merger  Proposal so  as to  comply with  the
requirements  of pooling of  interests accounting. Pursuant to  the terms of the
Voting Agreements,  directors, executive  officers and  certain shareholders  of
Primary  Access holding  an aggregate  of approximately  83% of  the outstanding
shares of Primary Access Stock have  agreed to consent to the authorization  and
approval  of  the  Merger Proposal  and  in connection  therewith,  have granted
irrevocable proxies to  the Board  of Directors of  3Com covering  approximately
971,700 shares of Primary Access Common Stock, or 61% of the outstanding Primary
Access  Common Stock, approximately 7,298,900 shares of Primary Access Preferred
Stock,  or  87%  of  the   outstanding  Primary  Access  Preferred  Stock,   and
approximately   8,270,600  shares  of  Primary  Access  Stock,  or  83%  of  the
outstanding Primary Access Stock.  See "The Merger  and Related Transactions  --
Voting Agreements."

EXPENSES

    3Com  and Primary Access shall each pay  its own costs and expenses incurred
incident to  the  negotiation,  execution and  delivery  of  the  Reorganization
Agreement  and the preparation and carrying out of the transactions contemplated
by the Reorganization  Agreement. In the  event the Merger  is consummated,  all
investment  banking, legal and accounting fees incurred by Primary Access and/or
its shareholders in connection with the Merger will be deemed to be expenses  of
the  Primary Access  shareholders, to the  extent such fees  and expenses exceed
$1,750,000, and such  fees and  expenses shall be  borne by  the Primary  Access
shareholders and shall not become obligations of Primary Access.

    In  the event that  3Com or Sub fails  to consummate the  Merger by June 30,
1995 or because any one  or more of the conditions  to closing set forth in  the
Reorganization  Agreement for  the benefit of  3Com and Sub  were not satisfied,
3Com shall  reimburse Primary  Access for  any reasonable  legal and  accounting
expenses  specifically  incurred  by  Primary  Access  in  connection  with  the
Reorganization Agreement (but excluding any expenses incurred by Primary  Access
in  connection with  its contemplated initial  public offering)  in an aggregate
amount not to exceed $250,000. 3Com shall have no such obligation if the  Merger
fails  to  close because  of the  inaccuracy  of any  of the  representations or
warranties of Primary Access contained  in the Reorganization Agreement, due  to
3Com's discovery of

                                       21
<PAGE>
or  Primary Access providing notification  of exceptions to such representations
and warranties in addition to the exceptions provided by Primary Access to  3Com
prior to or on the date of the Reorganization Agreement.

PROCEDURE

    Shareholders  of Primary Access  should complete, sign  and date the Consent
and return the Consent to Primary  Access Corporation, 12230 World Trade  Drive,
San Diego, California 92128, Attn: Chief Financial Officer by April   , 1995.

    CERTIFICATES  SHOULD NOT  BE SURRENDERED BY  THE HOLDERS  THEREOF UNTIL THEY
RECEIVE THE LETTER OF TRANSMITTAL  FROM THE EXCHANGE AGENT.   See "Terms of  the
Merger -- Manner and Basis of Converting Shares."

                      THE MERGER AND RELATED TRANSACTIONS

BACKGROUND OF THE MERGER

    During 1994, management of Primary Access began exploring several options to
accomplish  the addition  of remote  LAN access  software to  the Primary Access
platform. One of those  options included the addition  of 3Com software.  During
September  1994,  the technical  staff of  Primary Access  met several  times to
determine the  feasibility  of porting  3Com  software to  existing  and  future
products  of  Primary  Access.  On  September  28,  1994,  William  R. Stensrud,
President, Chief  Executive Officer  of  Primary Access,  and Andrew  May,  Vice
President,  Marketing of Primary  Access, met with  Eric Benhamou, President and
Chief Executive  Officer  of  3Com,  to  discuss  the  technical  aspects  of  a
combination of the two companies' technologies.

    On October 17, 1994, November 18, 1994 and December 15, 1994, the members of
senior management of 3Com and Primary Access met to discuss the possibility of a
joint  bid on a proposal for a large customer and the synergies between 3Com and
Primary Access.  These  meetings  also  included  a  discussion  of  a  possible
partnership or merger between the companies.

    During  December 1994,  three telephonic  and several  face-to-face meetings
took place during which members of senior management of 3Com and Primary  Access
discussed  the integration of 3Com and  Primary Access technologies. On December
22, 1994,  the companies  executed  a letter  of  intent regarding  a  potential
technology  sharing agreement to facilitate  the integration of the technologies
of the two companies to facilitate the customer bid referred to above.

    On January 12  and 13, 1995,  discussions were held  at 3Com concerning  the
technology  sharing arrangement.  On January  17, 1995,  representatives of 3Com
discussed with  Primary Access  management their  determination that  the  costs
associated  with the  combination of  the two  companies' technologies  would be
substantial and  indicated  that 3Com  would  be interested  in  discussing  the
possible acquisition of Primary Access.

    At  a special meeting  held on January  19, 1995, the  Board of Directors of
Primary Access considered the discussions of senior management with 3Com to date
and directed Mr. Stensrud to invite an offer from 3Com.

    On January 24 and  26, 1995, Primary Access  sent various materials to  3Com
for evaluation.

    On  February 1, 1995, senior management  of 3Com attended an all-day meeting
at Primary Access' facilities to  conduct due diligence activities. On  February
14,  1995,  Mr.  Stensrud and  Mr.  Gani  of Primary  Access  participated  in a
follow-up discussion with Ms. Roberts of 3Com and certain financial advisors  of
Primary Access to discuss certain additional due diligence matters.

    On  February 23, 1995, the  Board of Directors of  Primary Access received a
letter  from  Mr.  Benhamou  proposing  a  specified  aggregate  price  for  the
outstanding shares of Primary Access Stock. At a special meeting of the Board of
Directors  of Primary Access held on February  28, 1995, the Board rejected such
proposal.

                                       22
<PAGE>
    On March  5, 1995,  Mr. Stensrud,  Mr.  Gani and  certain other  members  of
Primary  Access'  senior  management  met at  3Com's  facilities,  together with
certain advisors of  the two companies,  to continue discussions  of a  proposed
business combination.

    During  the  week of  March 6,  1995, there  were numerous  discussions held
between 3Com and Primary Access and their financial advisors concerning proposed
terms of the Reorganization Agreement and on March 9, 1995, the parties executed
a non-binding letter of intent providing for an aggregate purchase price of $170
million.  Discussions  between  the  parties  and  their  financial,  legal  and
accounting advisors continued through the next two weeks. At special meetings of
the  Board of Directors  of Primary Access held  on March 6  and March 13, 1995,
Primary Access' financial and legal advisors  updated the Board of Directors  on
the  status of the discussions and negotiations concerning the proposed business
combination.

    At a meeting held on March 16, 1995 the Board of Directors of 3Com  approved
the  terms of  the Reorganization Agreement  subject to  finalization of certain
issues in negotiations between management of 3Com and Primary Access.

    On March 17, 1995, the Board of  Directors of Primary Access held a  special
meeting  to discuss the  terms of the Reorganization  Agreement and the proposed
Merger with 3Com and approved the final terms, subject to negotiation of several
remaining unresolved issues. The parties and their financial advisors  continued
to  address  the  remaining issues  related  to  obtaining the  opinions  of the
accountants of 3Com and Primary Access  regarding accounting for the Merger.  On
March  21,  1995,  3Com  and  Primary  Access  entered  into  the Reorganization
Agreement, and on the following day, March 22, 1995, the agreement to merge  was
announced.

    Primary  Access was  not contemplating  a business  combination of  the type
proposed by 3Com when Primary Access was first approached by 3Com regarding  the
Merger.  In  considering  the  proposed  Merger,  the  management  and  Board of
Directors of  Primary Access  considered  whether alternative  strategies  might
achieve  the anticipated benefits of the Merger to Primary Access' shareholders.
From time to time following the initial contact that led to the Merger,  Primary
Access  was approached  by two  other companies  concerning a  possible business
combination. More detailed discussions  were held with  one of these  companies.
Following  these discussions, Primary Access'  Board of Directors determined not
to pursue further discussions of a business combination with such company  based
upon  a determination that such a business combination would not be likely to be
as advantageous to the Primary Access  shareholders as the proposed Merger  with
3Com.  See " -- Joint  Reasons for the Merger"  and "Primary Access' Reasons for
the Merger."

JOINT REASONS FOR THE MERGER

    3Com and Primary Access  have identified several  potential benefits of  the
Merger that they believe will contribute to the success of the combined company.
These potential benefits include principally the following:

    - The  extensive offerings of 3Com's and Primary Access' data networking and
      access products position the combined company to have one of the  broadest
      product lines for remote access in the industry.

    - The  technical resources  of Primary Access,  primarily in  the market for
      products providing access  to the public  switched telephone networks  for
      backbone computer network, and its broad base of clients including leading
      network  services companies worldwide, should  enable the combined company
      to compete more effectively.

    - The combined technological  resources of  3Com and  Primary Access  should
      permit  the combined company to leverage their development capabilities to
      create new products  which combine  the best aspects  of traditional  data
      computer  networks and access  networks for the  public switched networks.
      Customer requirements  are  driving  together  the  historically  separate
      worlds of the public switched telephone network ("PSTN") served by Primary
      Access and of

                                       23
<PAGE>
      the  local  and  wide area  data  networks  served by  3Com.  There  is an
      increasing  demand  for  delivering  end  to  end  system  solutions  that
      incorporate   terminal  server,   remote  LAN  node   server,  and  router
      functionality across the PSTN. Furthermore, new technologies such as  ISDN
      and ATM are expected to emerge as critical components of both the PSTN and
      LAN/WAN  worlds. Combined, 3Com and Primary  Access can best deliver these
      new technologies and system solutions.

    - The ability  to combine  the  sales and  marketing  resources of  the  two
      companies to compete more effectively with greater resources. 3Com's broad
      distribution  channels  for  its  wide array  of  networking  products and
      Primary Access' expertise in and relationships with major network  service
      providers  worldwide will be complementary and should provide the combined
      company  with  the  ability  to  effectively  cross-sell  each  individual
      company's existing products.

    - The  cost efficiencies and  synergies that may  be obtained from combining
      operations.

FURTHER 3COM BACKGROUND AND REASONS FOR THE MERGER

    The Board of Directors of 3Com unanimously approved the terms and provisions
of the Reorganization Agreement at its meeting held on March 16, 1995. The Board
of Directors of 3Com  believes that consummation  of the Merger  is in the  best
interests of 3Com.

    In  arriving  at  its  unanimous  decision  to  approve  the  Reorganization
Agreement, the Board of Directors of 3Com considered a number of factors.  Among
the factors that the Board considered were (i) information concerning 3Com's and
Primary   Access'  respective  businesses,   historical  financial  performance,
operations and products,  including possible  future product  releases; (ii)  an
analysis  of  the relative  value that  Primary Access  might contribute  to the
future business and prospects of  the combined company; (iii) the  compatibility
of  management  and businesses  of 3Com  and Primary  Access; (iv)  reports from
management and  legal advisors  on specific  terms of  the relevant  agreements,
including  the  Reorganization Agreement,  and  other matters;  (v)  the Board's
judgment that 3Com was unlikely to identify an alternative business  opportunity
that would provide superior benefits to 3Com and its shareholders in the network
access  market;  (vi)  3Com's  and  Primary  Access'  historical  and  projected
financial condition and  results of  operations which,  in the  judgment of  the
Board,  supported the consideration to be paid  by 3Com in the Merger; and (vii)
the technical  and marketing  knowledge  of the  Primary Access  employee  team,
including detailed understanding of product and application requirements, buying
behavior, and key competitor's offerings.

    One of 3Com's goals has been to expand its business to include relationships
with  telecommunications  carriers. Primary  Access has  and continues  to enjoy
excellent relationships with its major clients, including AT&T, MCI, and Sprint.
Also, Primary Access customers  have indicated the need  for future products  to
include  router  functionality,  terminal  server  functionality,  ATM  and ISDN
technology, and remote LAN access, which constitute core areas of 3Com's product
line.

    3Com's Board also  believes that  the strategic  relationships that  Primary
Access has established will assist 3Com to achieve its stated goal of increasing
its  distribution  and  technology relationships  within  the telecommunications
industry. 3Com believes that with the  Primary Access products, it will be  able
to provide fully integrated access products for the public switched data market.
3Com  believes this will strengthen its position with telecommunications service
providers or  carriers  who  are increasingly  providing  managed  data  network
service from points of presence.

FURTHER PRIMARY ACCESS REASONS FOR THE MERGER

    The  Board of Directors of Primary Access unanimously approved the terms and
provisions of the Reorganization Agreement at its special meeting held on  March
17,  1995. The Board of  Directors of Primary Access  believes that terms of the
Merger are  fair  and recommends  that  Primary Access'  shareholders  vote  for
approval  and adoption of  the Reorganization Agreement  and the related matters
set forth in the Consent.

                                       24
<PAGE>
    In  arriving  at  its  unanimous  decision  to  approve  the  Reorganization
Agreement,  the  Board of  Directors of  Primary Access  considered a  number of
factors, including: (i) management's view that the networking services  industry
is moving toward integrated platforms combining network access products, routers
and  terminal server functionality;  (ii) the increased  access to protocols and
possible TCP/ IP technology which would result from the Merger; (iii) the timing
and inherent risk of a future initial public offering and the Board's view  that
it  was  unlikely to  identify an  alternative  business opportunity  that would
provide the  same likelihood  of  return on  investment  to the  Primary  Access
shareholders;  (iv) the potential increased sales of Primary Access equipment to
commercial customers in cooperation with the 3Com sales force; (v) the potential
for increased sales  of Primary  Access' products  through 3Com's  international
sales channels; (vi) the potential for increased sales by providing both ends of
the communications link. Primary Access and 3Com may be in a position to produce
standards-based  products for the  general market and  also pursue opportunities
where proprietary implementation would result in a value-added product offering;
(vii) the  potential sale  of  3Com's equipment  to Primary  Access'  customers;
(viii)  the potential  for an increase  in revenue attributable  to the enhanced
credibility of  Primary Access  as a  subsidiary of  3Com, including  technology
assets,  stronger  balance sheet,  industry  presence and  reputation;  (ix) the
potential for gross margin improvement  by applying 3Com's volume  manufacturing
capabilities,  purchasing power and potential custom ASIC design capabilities to
Primary Access' products;  (x) the  ability to continue  necessary research  and
development  through an  enhanced financial position;  and (xii)  the ability to
respond strongly  to  industry  consolidations,  joint  ventures  and  strategic
partnerships.

CONDUCT OF PRIMARY ACCESS IF MERGER NOT CONSUMMATED

    In  the event  that the proposed  Merger is not  consummated, Primary Access
will continue to operate its business as currently conducted. It is  anticipated
that  Primary Access would consider other  possible sources of capital financing
with its  financial advisors,  including the  possibility of  an initial  public
offering  or  a  joint  venture  arrangement  with  another  company  possessing
complementary technologies.

                              TERMS OF THE MERGER

EFFECTIVE DATE OF THE MERGER

    The Closing shall occur  as soon as possible  following the satisfaction  or
waiver  of all conditions set  forth in Sections 9  and 10 of the Reorganization
Agreement. See " -- Conditions to the Merger." Simultaneously with the  Closing,
the  Agreement  of Merger,  together with  all required  officers' certificates,
shall be  filed with  the offices  of the  Secretary of  State of  the State  of
California.  The Merger shall become effective immediately upon the date stamped
by the  California Secretary  of State  upon  the Agreement  of Merger  and  the
officers'  certificates. See "  -- Conditions to the  Merger." It is anticipated
that, if  the  Reorganization  Agreement  is  authorized  and  approved  by  the
shareholders  of Primary Access and all other conditions of the Merger have been
fulfilled or waived, the Effective Date will occur on              , 1995, or  a
date as soon as practicable thereafter.

MANNER AND BASIS OF CONVERTING SHARES

    Pursuant  to  the Reorganization  Agreement, at  the Effective  Date Primary
Access will become a wholly-owned subsidiary  of 3Com, and Primary Access  Stock
will  be converted into shares  of 3Com Common Stock.  At the Effective Date, by
virtue of  the Merger  and without  any action  on the  part of  the holders  of
Primary  Access Stock, all shares of Primary Access Stock will be converted into
shares of 3Com  Common Stock. The  number of  shares of 3Com  Common Stock  each
holder  of Primary Access Stock will receive as a result of this conversion will
be determined by multiplying the number  of shares of Primary Access Stock  held
by such holder by the Exchange Ratio.

    The  "Exchange Ratio" for  the conversion of  Primary Access Stock  is to be
determined by dividing  the Aggregate Purchase  Price by the  Average Price  and
then  dividing such  foregoing quotient by  the sum  of (a) the  total number of
issued and outstanding shares of Primary Access Common Stock, plus (b) the total
number of shares of Primary Access Common Stock issuable upon conversion of  all
issued

                                       25
<PAGE>
and  outstanding shares  of Primary Access  Preferred Stock, plus  (c) the total
number of shares of Primary Access Common Stock issued upon exercise of  Primary
Access  Options and Primary Access Warrants outstanding immediately prior to the
Effective Date.

    The "Aggregate Purchase Price" equals $170.0 million less the amount of  the
Adjustment.  The "Adjustment" is equal to the  decrease, if any, between the net
book value of  Primary Access  as of  January 1, 1995  as set  forth in  Primary
Access'  financial statements and the  sum of (i) the  net book value of Primary
Access  (determined  in  accordance  with  U.S.  generally  accepted  accounting
principles  ("GAAP")) as of April 2,  1995 (the "Adjustment Balance Sheet") plus
(y) the amount of any fees which are permitted to and have been paid or  accrued
by or on account of Primary Access or any of its shareholders under Section 14.6
of  the Reorganization  Agreement, plus  (z) any  amount of  litigation costs or
settlement  costs  incurred  by   Primary  Access  between   the  date  of   the
Reorganization  Agreement  and  the  Closing  Date  which  are  related  to  the
litigation  pending  in  the  Superior  Court  of  New  Jersey,  Borgen  County,
Hackensack,  New Jersey  entitled WILCOX &  GIBBS V.  PRIMARY ACCESS CORPORATION
(the "DataNet Litigation").  The DataNet Litigation  involves a dispute  between
Primary  Access and Wilcox & Gibbs with  regard to claims for breach of contract
and commissions due  related to  a Manufacturer/Representative  Agreement and  a
letter agreement dated January 13, 1992. The case went to trial in May 1994. The
jury  found for the  plaintiff and awarded  Wilcox & Gibbs  $2.8 million. On the
basis that there was no evidence to support the jury verdict, Primary Access was
granted a new  trial and  is currently  in the process  of filing  a motion  for
summary  judgment. The Adjustment is subject to  increase by the amount, if any,
of fees  and expenses  of Primary  Access,  or its  shareholders, in  excess  of
$1,750,000.  3Com and Primary Access will jointly prepare the Adjustment Balance
Sheet. In the event there is  any disagreement regarding the Adjustment  Balance
Sheet, the parties have agreed to resolve such disagreement prior to the Closing
in  good faith negotiation  and, if it  cannot be promptly  resolved, the matter
will be submitted to an independent accountant not affiliated with either  party
to be mutually agreed upon by both parties whose determination the parties shall
accept,  provided that  such determination does  not result in  an Adjustment in
excess of $750,000. If the determination  of such accountant would result in  an
Adjustment  in excess of $750,000, Primary Access shall have the right to submit
any disagreement regarding the Adjustment Balance Sheet to a binding arbitration
in the manner  set forth  in Section 13.9  of the  Reorganization Agreement  and
shall  not  be  required  to  close  the  transactions  contemplated  under  the
Reorganization Agreement before such arbitration is completed.

    The "Average Price"  shall mean the  average of the  closing sale prices  of
3Com  Common  Stock  reported  in  the WALL  STREET  JOURNAL,  on  the  basis of
information provided by the Nasdaq National Market, for each of the ten  trading
days immediately preceding (but not including) the Closing Date. Notwithstanding
the  above, if the Average Price is greater than $61.16, then the Exchange Ratio
shall be the  number of shares  resulting from dividing  the Aggregate  Purchase
Price  by $61.16, and then dividing the foregoing quotient by the sum of (i) the
total number of issued  and outstanding shares of  Primary Access Common  Stock,
plus  (ii) the total  number of shares  of Primary Access  Common Stock issuable
upon conversion of all issued and outstanding shares of Primary Access Preferred
Stock, plus (iii)  the total  number of shares  of Primary  Access Common  Stock
issuable  upon exercise  of Primary Access  Options and  Primary Access Warrants
outstanding at the  Effective Date. If  the Average Price  is less than  $55.34,
then  the Exchange Ratio shall  be the number of  shares resulting from dividing
the Aggregate Purchase Price by $55.34,  and then dividing such quotient by  the
sum of subsections (i), (ii) and (iii) above.

    In  the event  that a  Primary Access  shareholder who  attempts to exercise
dissenters' rights under Chapter  13 of the  CGCL should fail  to make a  proper
demand  for payment or  otherwise loses his status  as a dissenting shareholder,
such Primary Access shareholder shall be entitled to receive from 3Com the  same
number of shares of 3Com Common Stock and cash payment in lieu of any fractional
share  that such Primary Access shareholder would have received in the Merger if
he had not attempted to exercise dissenters' rights. Such shareholder shall then
be subject to  the indemnification obligations  set forth in  Section 13 of  the
Reorganization Agreement. See " -- Escrow and Indemnification."

                                       26
<PAGE>
    Based  upon a closing sale price of $58.25 per share of 3Com Common Stock on
March 13, 1995, and assuming (i) there is  no decrease in the net book value  of
Primary  Access between  January 1, 1995  and April  2, 1995, (ii)  no more than
12,059,229 shares of Primary Access Common Stock are issued and outstanding,  or
issuable upon exercise of Primary Access Options and Primary Access Warrants and
(iii)  fees  and expenses  incurred by  Primary Access  and its  shareholders in
connection with the Merger do not exceed $1,750,000, the Exchange Ratio will  be
.2420  and at the Effective Date, by virtue of the Merger and without any action
on the part of the holder of Primary Access Stock, each share of Primary  Access
Stock will be converted into .2420 of a share of 3Com Common Stock.

    No  fractional shares of 3Com Common Stock will be issued in connection with
the Merger,  but in  lieu thereof,  holders of  Primary Access  Stock who  would
otherwise be entitled to receive a fraction of a share of 3Com Common Stock will
receive from 3Com, promptly after the Effective Date, an amount of cash equal to
the  Average Price of 3Com Common Stock multiplied by the fraction of a share of
3Com Common Stock to which such holder would otherwise be entitled.

    Based upon the number of outstanding shares  of 3Com Common Stock as of  the
Record  Date and without regard to shares, if any, held by shareholders who have
exercised dissenters' rights  and any shares  owned by 3Com  or Primary  Access,
assuming  that no outstanding Primary Access  Options or Primary Access Warrants
are exercised prior to the Effective Date, after exchange of the Primary  Access
Stock,  approximately           shares of 3Com  Common Stock will be outstanding
immediately after the Effective  Date, of which approximately            shares,
representing    % of the total, will be held by former holders of Primary Access
Stock. In  addition, Primary  Access Options  and Primary  Access Warrants  will
become  3Com Options  and 3Com Warrants,  respectively, to  purchase 3Com Common
Stock, as described below.

    As soon as practicable after the Effective  Date and in no event later  than
fifteen  (15) days thereafter,  the Exchange Agent  will mail to  each holder of
record of a certificate or certificates that immediately prior to the  Effective
Date   represented   outstanding   shares   of   Primary   Access   Stock   (the
"Certificates"), a letter of  transmittal with instructions to  be used by  such
holder  in  surrendering their  Certificates for  exchange  into shares  of 3Com
Common Stock.  The  letter  of  transmittal  specifies  that  delivery  will  be
effected,  and risk of loss  and title to the  Certificates will pass, only upon
delivery of the Certificates  to the Exchange  Agent. SHARE CERTIFICATES  SHOULD
NOT  BE  SURRENDERED FOR  EXCHANGE PRIOR  TO  THE APPROVAL  AND ADOPTION  OF THE
REORGANIZATION AGREEMENT BY THE PRIMARY ACCESS SHAREHOLDERS.

    Upon the surrender of a Certificate  for cancellation to the Exchange  Agent
together  with  a  duly  executed  letter of  transmittal,  the  holder  of such
Certificate will be  entitled to  receive the number  of shares  of 3Com  Common
Stock  to  which such  holder  is entitled  pursuant  to the  provisions  of the
Reorganization Agreement. 3Com  will make  customary provisions  for lost  stock
certificates.  In the event of  a transfer of ownership  of Primary Access Stock
that  is  not  registered  in  the  transfer  records  of  Primary  Access,  the
appropriate  number  of  shares of  3Com  Common  Stock may  be  delivered  to a
transferee  if  the  Certificate  representing  such  Primary  Access  Stock  is
presented  to the  Exchange Agent and  accompanied by all  documents required to
evidence and effect  such transfer  and to  evidence that  any applicable  stock
transfer taxes have been paid.

    Until  a  Certificate  has  been surrendered  to  the  Exchange  Agent, each
Certificate shall be deemed  at any time after  the Effective Date to  represent
the  right to receive  upon such surrender  the number of  shares of 3Com Common
Stock to which such holder is entitled under the Reorganization Agreement.

    All 3Com Common Stock delivered upon the surrender for exchange of shares of
Primary Access Stock will be deemed to have been delivered in full  satisfaction
of  all rights pertaining to such shares  of Primary Access Stock. There will be
no further  registration  of  transfers  on the  stock  transfer  books  of  the
surviving   corporation  of  the  shares  of  Primary  Access  Stock  that  were
outstanding immediately

                                       27
<PAGE>
prior to  the Effective  Date. If  after the  Effective Date,  Certificates  are
presented  to the surviving  corporation for any reason,  they shall be canceled
and exchanged for shares of 3Com Common Stock as provided in the  Reorganization
Agreement.

VOTING AGREEMENTS

    In connection with the execution of the Reorganization Agreement, holders of
approximately 971,700 shares of Primary Access Common Stock, or 61% of the total
number  of  shares  of  outstanding  Primary  Access  Common  Stock,  holders of
approximately 7,298,900 shares of Primary Access Preferred Stock, or 87% of  the
total  number  of  shares of  outstanding  Primary Access  Preferred  Stock, and
holders of approximately 8,270,600 shares of Primary Access Stock, or 83% of the
total number of shares  of outstanding Primary Access  Stock, have entered  into
Voting Agreements pursuant to which they have agreed, subject to certain limited
exceptions, not to transfer, pledge, sell, exchange or offer to transfer or sell
or otherwise dispose of or encumber at any time prior to the Expiration Date (as
defined  below)  any of  the shares  of Primary  Access Stock  owned by  them or
acquired by them prior to the Expiration Date (as defined below). Primary Access
shareholders which  are entities  may transfer  shares of  Primary Access  Stock
owned  by them to their  shareholders or limited or  general partners so long as
the transferee agrees  to be bound  by the provisions  of the Voting  Agreement.
Primary  Access shareholders who are  individuals may transfer up  to 30% of the
shares of Primary Access  Stock owned by them  to members of such  shareholder's
immediate  family if, prior to any such  transfer, 3Com receives advice from its
counsel that such  transfer will not  affect the  treatment of the  Merger as  a
pooling  of interests  for accounting purposes  and the transferee  agrees to be
bound by the provisions of the  Voting Agreement. The term "Expiration Date"  is
defined  in the Voting Agreements  as the earliest to occur  of (i) such date as
the Merger shall become effective in accordance with the terms and provisions of
the Reorganization Agreement, or (ii) such date as the Reorganization  Agreement
shall be terminated in accordance with Section 12 thereof.

    At  every meeting of the  shareholders of Primary Access  called (and at any
adjournment  thereof)  and  on  every   written  consent  solicited  from   such
shareholders  prior to the Expiration Date with respect to any of the following,
each such Primary Access shareholder  has agreed to take  such action as may  be
required  to  vote all  such shares  of Primary  Access Stock:  (i) in  favor of
approval of the  Reorganization Agreement and  the Merger and  any matter  which
could  reasonably be expected to directly facilitate the Merger and (ii) against
approval of any  proposal made  directly in  opposition to  or competition  with
consummation of the Merger (including any merger or consolidation other than the
Merger,  or any sale of assets, reorganization, recapitalization, liquidation or
winding up of Primary  Access). Each such shareholder,  as the holder of  voting
stock of Primary Access, has agreed to be present, in person or by proxy, at all
meetings  of shareholders of Primary  Access so that all  such shares of Primary
Access Stock  are counted  for the  purposes of  determining the  presence of  a
quorum  at  such  meetings.  The  Voting Agreements  are  intended  to  bind the
shareholders only with respect to the specific matters set forth in such  Voting
Agreement,  and shall not  prohibit such shareholders  from acting in accordance
with their fiduciary duties as an officer and/or director of Primary Access.

    Concurrently  with  the  execution  of  each  Voting  Agreement,  each  such
shareholder  has delivered to  3Com an irrevocable proxy  pursuant to which each
shareholder has  appointed the  3Com Board  of Directors  as such  shareholder's
proxy to vote all his shares of Primary Access Stock with respect to the matters
specified  in the proxy, which matters are consistent with the provisions of the
Voting Agreements.

COMPANY OPTION AGREEMENT

    Pursuant to  the Company  Stock Option  Agreement (the  "Option  Agreement")
between 3Com and Primary Access dated as of March 21, 1995, that was executed in
connection with the Reorganization Agreement, Primary Access granted to 3Com the
Option,  which  is  exclusive  and  irrevocable,  to  purchase,  subject  to the
conditions to exercise and during the period specified in Subsection 3(a) of the
Option Agreement and subject to the conditions to closing set forth in Section 4
thereof, such  number of  authorized but  currently unissued  shares of  Primary
Access Common Stock as is as nearly equal as

                                       28
<PAGE>
possible  (after rounding to the nearest  whole number to eliminate the issuance
of fractional shares of  Primary Access Common  Stock) to 20%  of the shares  of
Primary  Access  Common Stock  and  all shares  of  Primary Access  Common Stock
issuable upon exercise or conversion  of any options, warrants, preferred  stock
or  other  rights  to acquire  Primary  Access Common  Stock  (collectively, the
"Primary Access Common Stock Equivalents") issued from time to time between  the
date  of the Option Agreement and the  Option Expiration Date (as defined below)
at the exercise price specified below. The shares of Primary Access Common Stock
subject to the Option  from time to  time are referred to  below as the  "Option
Shares."

    The exercise price per Option Share (the "Per Share Exercise Price") for any
Option Shares with respect to which the Option is exercised (the "Subject Option
Shares")  shall, in the  absolute discretion of  3Com, be either:  (i) $14.14 in
cash; or (ii) the  number of fully-paid and  nonassessable shares (or  fractions
thereof)  of 3Com Common Stock having a fair market value equal to $14.14, based
upon the average of the closing prices of 3Com Common Stock on the five  trading
days  preceding the date  on which the  Option is exercised  (each such date, an
"Option Closing"). The Per Share Exercise Price may, in the absolute  discretion
of  3Com, be paid  in shares of 3Com  Common Stock with  respect to some Subject
Option Shares  to be  purchased at  a particular  Option Closing  and cash  with
respect to other such Subject Option Shares.

    Subject  to the conditions to  closing set forth in  Section 4 of the Option
Agreement, the Option may be exercised, in whole or in part, at any time or from
time to time after March  21, 1995 and prior to  the Option Expiration Date  (as
defined below) PROVIDED THAT at least one of the following conditions shall have
occurred:  (i) an offer,  including an exchange  offer, for at  least 20% of the
outstanding shares of Primary  Access Common Stock  Equivalents shall have  been
made  or proposed other  than by 3Com or  any of its  affiliates and accepted by
holders of at least 20% of the outstanding shares of Primary Access Common Stock
Equivalents, (ii) an acquisition  shall have been  made of beneficial  ownership
(within  the meaning of  Rule 13d-3 promulgated  under the Exchange  Act) by any
person, other than 3Com or any of  its affiliates or by an existing  shareholder
of  Primary Access holding 5% or more of the outstanding stock of Primary Access
as of the  date of  the Option Agreement  (a "Controlling  Shareholder"), of  at
least  20% of the outstanding shares of  Primary Access Common Stock, except for
between Primary Access shareholders or  between Primary Access shareholders  and
their  affiliates, or (iii) an agreement shall have been entered into by Primary
Access with any person,  other than 3Com  or any of  its affiliates, to  acquire
Primary  Access  or a  controlling  interest therein  by  merger, consolidation,
purchase of substantially all  of Primary Access' assets,  purchase of stock  or
other  business combination. The "Expiration Date" is the date of the earlier to
occur of  (x) the  Effective Date,  (y) the  termination of  the  Reorganization
Agreement  pursuant to the terms  thereof, provided however, that  if any of the
conditions set forth  in items (i),  (ii) or (iii),  above, shall have  occurred
prior  to any termination of the Reorganization Agreement, the Option Expiration
Date shall be as determined in item (z), or (z) 5:00 p.m. California time on the
180th day following and  excluding the date  on which any  of the conditions  to
exercise of the Option listed above shall have occurred. If 3Com shall have sent
a  Notice of Exercise (as  defined in the Option  Agreement) prior to the Option
Expiration Date,  the  Option  Expiration  Date shall  be  extended  during  the
pendency  of any legal action or proceeding or any other activity the resolution
of which  would,  or  which  is  reasonably intended  to  satisfy,  any  of  the
conditions  set forth  in Subsection  4(a) of the  Option Agreement  and if such
condition is thereafter satisfied, for a  period of fifteen (15) days after  the
date such conditions are satisfied.

    The  respective obligations of  3Com and Primary Access  to proceed with any
Option Closing under  the Option Agreement  are subject to  the satisfaction  of
certain  conditions prior to the Option Closing, whether or not any prior Option
Closing has occurred, including (i) any waiting period(s) under the HSR Act  and
the  rules and regulations thereunder applicable  to the purchase of the Subject
Option Shares by  3Com and/or the  issuance of  shares of 3Com  Common Stock  to
Primary Access in payment (in whole or part) of the Per Share Exercise Price for
the  Subject Option Shares shall have expired or been terminated, (ii) no order,
statute,  rule,  regulation,   executive  order,  stay,   decree,  judgment   or

                                       29
<PAGE>
injunction  shall have been enacted, entered, issued, promulgated or enforced by
any court  or governmental  authority,  subsequent to  the  date of  the  Option
Agreement,  which  prohibits  or  restricts  the  effectuation  of  any  of  the
transactions  contemplated  by  the  Option  Agreement,  or  the  Reorganization
Agreement, and (iii) the representations and warranties of 3Com contained in the
Option  Agreement shall be true  and correct in all  material respects as of the
date of the Option Agreement, and shall be deemed to have been made again at and
as of  each such  Option Closing  and  shall then  be true  and correct  in  all
material respects.

ASSUMPTION OF PRIMARY ACCESS OPTIONS

    At  the Effective Date,  each Primary Access  Option outstanding immediately
prior to the Effective Date  will be assumed by 3Com  and converted into a  3Com
Option  to purchase that number of shares  of 3Com Common Stock which equals the
Exchange Ratio multiplied by the number of shares of Primary Access Common Stock
purchasable under the Primary Access  Option immediately prior to the  Effective
Date,  with  the resulting  number of  shares  rounded up  to the  nearest whole
number. The exercise price per share of 3Com Common Stock purchasable under each
such 3Com Option  will be  equal to  the exercise  price of  the Primary  Access
Option  (per share of Primary Access Common Stock) divided by the Exchange Ratio
(with the resulting amount rounded up to the nearest whole cent). At the  Record
Date,  there were outstanding Primary Access Options to purchase up to 1,951,642
shares of Primary Access Common Stock.

    Each optionee who  is an employee  of Primary Access  on the Effective  Date
will  be  credited  for  continuous  employment  with  Primary  Access,  whether
occurring before or after  the Effective Date, for  purposes of determining  the
number  of shares subject to exercise, vesting or repurchase after the Effective
Date.

    After the Effective Date, 3Com will  issue to each holder of an  outstanding
Primary  Access  Option a  document evidencing  the  assumption of  such Primary
Access Option by 3Com. No fractional shares of 3Com Common Stock will be  issued
in  connection with  the exercise of  3Com Options. All  fractional shares which
would otherwise be issuable will  be rounded up to the  next full share. All  of
the  other terms of each 3Com  Option including, without limitation, the vesting
period, will remain the same as the corresponding assumed Primary Access Option.
The holders  of  Primary Access  Options  are urged  to  consult their  own  tax
advisors as to the consequences to them of such assumption.

    As  soon  as  practicable  after  the  Effective  Date,  3Com  will  file  a
registration statement on Form S-8 or  another appropriate form with respect  to
the  shares of 3Com Common Stock subject to such 3Com Options into which Primary
Access Options are converted in the Merger to allow holders of such 3Com Options
to sell  the  shares  of  3Com  Common  Stock  obtained  upon  exercise  without
limitation  as to holding  period. 3Com will administer  the 1988 Primary Access
Stock Option Plan, as amended and restated from time to time, assumed by 3Com in
a manner that complies with Rule 16b-3 promulgated by the SEC under the Exchange
Act.

ASSUMPTION OF PRIMARY ACCESS WARRANTS

    At the Effective Date, each  Primary Access Warrant outstanding  immediately
prior  to the Effective Date  will be assumed by 3Com  and converted into a 3Com
Warrant. The 3Com Warrants will continue to  be on the terms and conditions  set
forth  in  the respective  warrant agreements  of  the Primary  Access Warrants,
except that: (i) the 3Com Warrants shall  be exercisable for a number of  shares
of  3Com Common  Stock equal to  the number  of shares of  Primary Access Common
Stock subject to the Primary Access  Warrant immediately prior to the  Effective
Date  multiplied by the Exchange  Ratio (with the resulting  number of shares of
3Com Common Stock  rounded up to  the nearest  whole number), and  (ii) the  per
share exercise price under each 3Com Warrant shall be an amount equal to the per
share  exercise price  of the  Primary Access  Warrant immediately  prior to the
Closing Date divided by the Exchange Ratio (with the resulting amount rounded up
to the nearest whole cent). No fractional  shares of 3Com Common Stock shall  be
issued in connection with the 3Com

                                       30
<PAGE>
Warrants.  All  fractional shares  which would  otherwise  be issuable  shall be
rounded up to the  next full share. As  of the close of  business on the  Record
Date,  there were  117,000 shares  of Primary  Access Common  Stock reserved for
issuance upon the exercise of outstanding Primary Access Warrants.

ESCROW AND INDEMNIFICATION

    At the  Effective  Date,  (i)  3Com  will  deposit  in  escrow  certificates
representing  10% of the  shares of 3Com  Common Stock issued  to the holders of
Primary Access Stock  in the Merger,  on a pro  rata basis, and  (ii) upon  each
exercise  of 3Com Options  that are issued  in the Merger  to holders of Primary
Access Options, if  such exercise occurs  between the Effective  Date and on  or
before  the final escrow release date,  3Com will deposit in escrow certificates
representing 10% of the shares of  3Com Common Stock issued upon such  exercise.
Such  Escrow Shares  will be registered  in the  name of and  deposited with the
Escrow Agent pursuant to the  Reorganization Agreement to constitute the  Escrow
Fund.  The  Escrow  Fund  will  be available  to  indemnify  3Com  for  any loss
(excluding any consequential damages,  such as lost  profits, in-house costs  of
investigation and in-house attorneys' fees incurred by 3Com), expense, liability
or  other damage, including attorneys' fees, to the extent of the amount of such
loss, expense, liability or other damage (collectively, "Damages") that 3Com has
incurred by reason of  (i) the breach by  Primary Access of any  representation,
warranty,   covenant   or  agreement   of  Primary   Access  contained   in  the
Reorganization Agreement,  or  by reason  of  any misrepresentation  by  Primary
Access made in or pursuant to Section 3 of the Reorganization Agreement, or (ii)
the claims raised in the DataNet Litigation, and for which 3Com has not received
reimbursement   pursuant  to   insurance  or   otherwise.  This  indemnification
obligation will  terminate (i)  for those  items that  would be  expected to  be
encountered  in 3Com's audit process, until the  date of completion of the first
audit of financial statements containing combined operations of 3Com and Primary
Access, and  (ii) for  all other  items, for  a period  of 12  months after  the
Closing.

    Notwithstanding  the foregoing,  3Com may  not receive  any shares  from the
Escrow Fund unless and  until an officer's certificate  or certificates of  3Com
identifying the aggregate amount of 3Com's Damages has been delivered by 3Com to
the  Shareholders' Agents and to the Escrow  Agent, and then, except as provided
in Section 13.13 of the Reorganization  Agreement, only to the extent that  such
aggregate  amount exceeds a  deductible of $750,000,  provided that Damages from
the DataNet Litigation in excess of the reserve therefor existing at the date of
the Reorganization Agreement (including legal fees or settlement costs  incurred
after  the date of  such agreement) shall  not be subject  to such threshold and
deductible amount. To receive any Escrow Shares, notice of such Damages must  be
delivered  to the Escrow  Agent and Shareholders'  Agents and such  amount as is
determined pursuant to Section 13 of the Reorganization Agreement to be  payable
after  application of the $750,000 deductible, if applicable, in which case 3Com
shall receive the number of Escrow Shares  equal in value to the full amount  of
Damages. For the purpose of compensating 3Com for its Damages, the Escrow Shares
shall  be valued at  the closing price on  the day prior to  the date the Escrow
Agent releases the Escrow Shares  from the Escrow Fund as  to any matter. In  no
event shall 3Com receive more than the number of Escrow Shares then remaining in
the  Escrow  Fund at  the  time of  3Com's claim  for  Damages, and  the maximum
liability of  all Primary  Access  shareholders and  holders of  Primary  Access
Options  under the Reorganization  Agreement shall not  exceed the forfeiture of
the Escrow Shares in the Escrow  Fund. Damages shall not include any  individual
Damage  items of $10,000 or  less unless such amounts  of $10,000 or less exceed
$50,000 in the aggregate.

    If the Merger is consummated, the Escrow Fund shall be the exclusive  remedy
of  3Com for any breaches and misrepresentations  and for any claims against any
officer, director, shareholder or employee of Primary Access in connection  with
the  Merger (other than for  any event of willful  fraud by Primary Access), and
all items disclosed by Primary Access to 3Com in any disclosure schedule to  the
Reorganization  Agreement and all  matters otherwise actually  known to 3Com and
all of Primary Access' unknown business  risks shall be assumed by 3Com,  except
for  any claims arising from the DataNet Litigation or any misrepresentations or
willful fraud made by Primary Access.  Any claims against the Escrow Fund  shall
be  reduced  by  the  amount  of  any  net  tax  benefit  realized  by  3Com  in

                                       31
<PAGE>
connection with the loss  or damage suffered  by 3Com which  forms the basis  of
Primary  Access's liability. Further, Damages will exclude any amount considered
in calculating the amount of the Adjustment.

    The Escrow Fund will remain in  existence for 12 months after the  Effective
Date ("Escrow Period"), provided that the number of Escrow Shares, which, in the
reasonable  judgment  of 3Com,  subject to  the  objection of  the Shareholders'
Agents and the subsequent arbitration of the matter are necessary to satisfy any
unsatisfied claims specified in any officer's certificate theretofore  delivered
to  the Escrow Agent prior  to termination of the  Escrow Period with respect to
Damages incurred or litigation pending prior to expiration of the Escrow Period,
shall remain in  the Escrow Fund  until such  claims have been  resolved. In  no
event  will any amount be retained  in the Escrow Fund at  the end of the Escrow
Period, except as  to claims made  prior to the  end of the  Escrow Period  that
relate  to  Damages  actually incurred  or  pending litigation.  If  the DataNet
Litigation remains unresolved at the end of the Escrow Period, no more than $3.0
million of the Escrow Fund may be retained in escrow to cover any claim  arising
from such litigation.

    If  3Com makes a claim for indemnification, it will deliver a written notice
of such claim to  the Escrow Agent  and Tench Coxe,  Kathryn Gould, and  William
Stensrud,  as the Shareholders'  Agents of Primary  Access' shareholders. If the
Shareholders' Agents do not object to  such claim within 45 days after  delivery
of such notice, then the Escrow Agent will release to 3Com from the Escrow Fund,
as  promptly as practicable, shares  of 3Com Common Stock  valued at the closing
price on the day prior to the date of the Escrow Agent's release of such shares,
or other assets  held in the  Escrow Fund having  a value equal  to the  Damages
claimed.  If the  Shareholders' Agents object  to such  claim, the Shareholders'
Agents and  3Com  will first  attempt  to agree  upon  the relative  rights  and
obligations  of 3Com  and the Primary  Access shareholders with  respect to such
claim. If no  such agreement can  be reached after  good faith negotiation,  the
relative rights and obligations of 3Com and the Primary Access shareholders with
respect to such claim will be settled by binding arbitration held in Santa Clara
or  San Mateo County, California, unless the amount  of the damage or loss is at
issue in pending litigation with a third party, in which event arbitration  will
not  be commenced until such amount is ascertained or 3Com and the Shareholders'
Agents agree to arbitration.

    The Shareholders' Agents have the  discretion to make decisions by  majority
and  take actions on behalf  of, and without the  consent of, the Primary Access
shareholders and such decisions and actions of the Shareholders' Agents will  be
final,  binding and conclusive  upon each such  Primary Access shareholder. Such
agency may be changed  by the holders  of a majority in  interest of the  Escrow
Fund  from time to time upon not less than 10 days prior written notice to 3Com.
The Shareholders' Agents will not be personally liable for making such decisions
or taking  such  actions if  the  Shareholders' Agents  act  in good  faith  and
exercise  reasonable judgment. The  Escrow Agent and 3Com  will be relieved from
any liability to any person for any  acts done by them without gross  negligence
or  wilful  misconduct  in  accordance  with any  decisions  or  actions  of the
Shareholders' Agents.

    If any proceeding is commenced, or if  any claim is asserted, in respect  of
which  a claim for indemnification is made  against the Escrow Fund based on any
matters other than  (i) the  intellectual property  of Primary  Access, or  (ii)
claims  made by  customers of 3Com  or Primary Access,  the Shareholders' Agents
may, at their option, elect to defend any such action, proceeding, claim, demand
or assessment with  counsel of their  own choosing; provided,  however, that  if
3Com  shall reasonably object  to such control the  Shareholders' Agent and 3Com
shall cooperate in the contesting and defense of such matter; provided, however,
that the Shareholders' Agents shall not admit any liability with respect thereto
or settle,  compromise, pay  or discharge  the same  without the  prior  written
consent of 3Com, which consent shall not be unreasonably withheld. In connection
with  the DataNet Litigation, the Shareholders' Agents will have sole control of
the defense of such  matter and discretion to  admit any liability with  respect
thereto  or settle the same without the prior written consent of 3Com, except if
any payment is required other than from the Escrow Fund, in which case the prior
written consent  of  3Com  shall  be  required. With  respect  to  a  claim  for
indemnification  based  on  matters  relating to  the  intellectual  property of
Primary Access,  or customers  of 3Com  or Primary  Access, 3Com  will have  the

                                       32
<PAGE>
option  to defend any such  action, proceeding or claim  with counsel of its own
choosing; provided,  however,  that 3Com  shall  not admit  any  liability  with
respect  thereto or  settle, compromise, pay  or discharge the  same without the
prior written consent of  the Shareholders' Agents, which  consent shall not  be
unreasonably  withheld.  The  Shareholders'  Agents or  3Com,  whichever  is not
controlling the  defense of  any matter,  shall  be entitled,  at its  or  their
expense, to participate in such defense.

    In  the event that 3Com  arrives at a good  faith and reasonable belief that
there  has  been  a  breach  by  Primary  Access  with  respect  to  a   certain
representation  regarding  intellectual  property  matters,  and  that  a  claim
regarding such matters  is likely to  be filed  in the foreseeable  future by  a
person  related directly to  such representation, 3Com  shall, before taking any
action with respect  thereto, consult  with the  Shareholders' Agents  regarding
such  matter  and the  reasonable  measures to  pursue  to resolve  such matter.
Provided that either the Shareholders' Agents agree that there has been a breach
of such representation  and that 3Com  has been  or is reasonably  likely to  be
damaged  as  a result  thereof  (or in  the absence  of  such agreement  and the
submission of the matter  to arbitration, that the  arbitrator so finds),  then,
and  only then, 3Com  may communicate directly or  through a representative with
such person.  If Damages  are actually  incurred by  3Com in  connection with  a
person  so contacted within one year of Closing or are the subject of litigation
pending at the end of one year from the date of Closing, then the provisions  of
the  Reorganization Agreement regarding the $750,000 deductible notwithstanding,
3Com may  receive Escrow  Shares to  the  extent that  the aggregate  amount  of
Damages  with respect to each separate such matter exceeds $50,000 and then only
to the extent  of one-half of  the Damages in  excess of $50,000  for each  such
matter.  If 3Com takes action to precipitate Damages with respect to the matters
described in this paragraph  without having followed  this procedure, no  Escrow
Shares shall be delivered from the Escrow Fund with respect to such Damages. The
holders  of Primary Access Warrants are urged  to consult their own tax advisors
as to the consequences to them of such assumption and conversion.

CONDUCT OF THE BUSINESS OF THE COMBINED COMPANIES FOLLOWING THE MERGER

    Once the Merger is  consummated, Sub will cease  to exist as a  corporation,
and  all of  the business,  assets, liabilities and  obligations of  Sub will be
merged into  Primary  Access with  Primary  Access remaining  as  the  surviving
corporation.

    Pursuant   to  the  Reorganization  Agreement,   the  form  of  Articles  of
Incorporation and form of Bylaws of Sub,  as in effect immediately prior to  the
Effective  Date, will become the  form of Articles of  Incorporation and form of
Bylaws of the surviving corporation. The directors and officers of Sub in office
immediately prior to the  Effective Date will be  the directors and officers  of
the surviving corporation. See "Information Concerning 3Com -- Management."

EMPLOYEE BENEFITS

    3Com has agreed to adopt a policy applicable to all Primary Access employees
who were hired prior to the date of execution of the Reorganization Agreement in
order  to provide certain protections against certain terminations within a year
of the Merger. The policy  will provide that in  the event of termination  other
than "for cause" as defined in the policy, employees would receive either 3 or 6
months salary and accelerated vesting of any 3Com Options issued in exchange for
Primary Access Options.

    3Com has agreed that for a period of one year from the Closing, it shall not
modify  or terminate  the (i)  salaries, (ii) benefits  or (iii)  bonus plans of
Primary Access in existence prior to the date of the Reorganization Agreement or
otherwise make  only  3Com's salaries,  benefits  or bonus  plans  available  to
Primary  Access' continuing employees, unless 3Com's proposed salaries, benefits
or bonus  plans are  better than  the  salaries, benefits  or bonus  plans  such
employees  enjoyed  prior  to  the  date  of  the  Reorganization  Agreement, as
determined by the management of Primary Access. At such time as 3Com  determines
to  transfer benefits offered to Primary Access, 3Com agrees to the extent it is
legally and contractually  able to do  so to waive  any probationary or  waiting
periods for participation in such benefit programs.

                                       33
<PAGE>
INDEMNIFICATION OF PRIMARY ACCESS DIRECTORS AND OFFICERS

    For  a period of  seven years from  the Closing, 3Com  shall (i) continue to
provide to all officers and directors of Primary Access who held such  positions
with  Primary Access prior to the date  of the Reorganization Agreement the same
rights to indemnification which  were available to  such officers and  directors
under  the charter documents of Primary Access in existence prior to the date of
the Reorganization Agreement, (ii) not to terminate or alter any indemnification
agreement in existence prior  to the date of  the Reorganization Agreement,  and
(iii)  to  perform  its  obligations thereunder  or  exercise  any discretionary
authority thereunder, to the fullest extent  permissible by law to provide  each
officer and director with all rights to indemnification available thereunder. If
3Com takes any action which impairs the ability of Primary Access to fulfill its
indemnification  obligations  with respect  to acts  or  omissions prior  to the
Closing under its charter documents  or any indemnification agreements to  which
it  is a  party, 3Com shall  assume Primary  Access' indemnification obligations
under such charter documents and/or indemnification agreements directly.

CONDUCT OF PRIMARY ACCESS' AND 3COM'S BUSINESSES PRIOR TO THE MERGER

    Under the Reorganization Agreement, Primary  Access has agreed that it  will
use  its Best Efforts (as defined below) to satisfy or cause to be satisfied all
conditions precedent set forth in Section 10 of the Reorganization Agreement, to
cause the  Merger  to  occur,  and,  without  limiting  the  generality  of  the
foregoing,  to  obtain any  and  all consents  necessary  for the  assumption of
specified material  contracts.  Primary  Access will  advise  3Com  promptly  in
writing  of any  events occurring subsequent  to the date  of the Reorganization
Agreement which would render  any representation or  warranty of Primary  Access
contained  in the Reorganization Agreement, if made on or as of the date of such
event or the  Closing Date,  untrue or inaccurate  in any  material and  adverse
respect.  Primary Access has also agreed to  provide to 3Com and its agents free
access to information relating to Primary  Access. "Best Efforts" is defined  in
the  Reorganization Agreement as  the efforts that a  prudent person desirous of
achieving a result would use in similar circumstances to ensure that such result
is achieved as expeditiously as possible; provided, however, that an  obligation
to  use Best  Efforts under  the Reorganization  Agreement does  not require the
person subject  to  that obligation  to  take actions  that  would result  in  a
material  adverse change  in the benefits  to such person  of the Reorganization
Agreement.

    Primary Access has also agreed that, until the Closing, it will continue  to
conduct its business and maintain its business relationships in the ordinary and
usual course of business. Among other limitations relating to the conduct of its
business,  Primary Access has  agreed that it  will not, except  as disclosed to
3Com in the disclosure schedule delivered  by Primary Access to 3Com or  without
3Com's prior written consent: a) borrow any money which exceeds in the aggregate
$500,000;  b) incur  or commit  to incur any  capital expenditures  in excess of
$500,000 in the aggregate or as to any individual matter in excess of  $100,000;
c)  lease, license, sell,  transfer or encumber  or permit to  be encumbered any
asset, intellectual  property  right  or  other  property  associated  with  the
business  of  Primary  Access (including  sales  or transfers  to  affiliates of
Primary Access), except for sales of inventory in the usual and ordinary  course
of  business  and  except  for  cash  applied  in  payment  of  Primary  Access'
liabilities in the usual and ordinary course of its business; d) dispose of  any
of  its assets, except inventory in the regular and ordinary course of business;
e) enter into any lease  or contract for the purchase  or sale of any  property,
real  or personal except in the ordinary course of business; f) fail to maintain
its equipment and other assets in good working condition and repair according to
the standards it has maintained up to the date of the Reorganization  Agreement,
subject  only to ordinary wear and tear;  g) pay any bonus, increased salary, or
special remuneration  to any  officer  or employee,  including any  amounts  for
accrued but unpaid salary or bonuses (other than amounts not in excess of normal
payments made on a regular basis); h) change accounting methods; i) declare, set
aside  or pay  any cash or  stock dividend  or other distribution  in respect of
capital, or redeem or otherwise  acquire any of its  capital stock; j) amend  or
terminate  any material contract,  agreement or license  to which it  is a party
except in the ordinary course of business;  k) loan any amount to any person  or
entity,  or guaranty or act as a surety  for any obligation; l) waive or release
any right or claim, except in the ordinary course of business; m) issue or  sell
any  shares of its capital stock of any class or any other of its securities, or

                                       34
<PAGE>
issue or create any  warrants, obligations, subscriptions, options,  convertible
securities,  or other commitments to issue shares  of capital stock; n) split or
combine the outstanding shares of its capital  stock of any class or enter  into
any  recapitalization affecting the number of  outstanding shares of its capital
stock of  any  class  or  affecting  any other  of  its  securities;  o)  merge,
consolidate   or  reorganize  with   any  entity;  p)   amend  its  Articles  of
Incorporation or  Bylaws; q)  make or  change any  election, change  any  annual
accounting  period, adopt or change any  accounting method, file any amended tax
return, enter into  any closing agreement,  settle any tax  claim or  assessment
relating  to  Primary Access,  surrender  any right  to  claim refund  of taxes,
consent to any extension  or waiver of the  limitation period applicable to  any
tax  claim or assessment relating to Primary Access, or take any other action or
omit to take  any action,  if any  such election,  adoption, change,  amendment,
agreement, settlement, surrender, consent or other action or omission would have
the  effect of  increasing the tax  liability of  Primary Access or  3Com; r) do
anything that is not contemplated in the Reorganization Agreement or that  would
cause  there  to be  material adverse  changes in  the Primary  Access unaudited
balance sheet as of January 1, 1995 and statements of operations,  shareholders'
equity  and cash flow for the period then-ended and the audited balance sheet as
of October 2, 1994 and statements  of operations, shareholders' equity and  cash
flow  for the period then  ended previously delivered to  3Com by Primary Access
(collectively, "Primary Access Financial Statements") (with such Primary  Access
Financial  Statements analyzed as  if they had been  prepared according to GAAP,
and including but not limited to cash distributions or material decreases in the
net assets of Primary Access), except as  would occur in the ordinary course  of
Primary  Access'  business, between  the date  of  the Primary  Access Financial
Statements and the Closing Date; or s)  agree to do any of the things  described
in the preceding clauses (a) through (r).

    Between  the date of the Reorganization Agreement and June 30, 1995 (subject
to extension upon mutual  agreement), or such earlier  date as 3Com and  Primary
Access  mutually agree to discontinue discussions  of the Merger, Primary Access
will not  (and  it will  use  its best  efforts  to assure  that  its  officers,
directors,  employees,  agents and  affiliates do  not on  its behalf)  take any
action to solicit, initiate, seek, encourage or support any inquiry, proposal or
offer from, furnish any information to, or participate in any negotiations with,
any corporation,  partnership,  person or  other  entity or  group  (other  than
discussions  with 3Com) regarding any acquisition  of Primary Access, any merger
or consolidation with  or involving Primary  Access, or any  acquisition of  any
material  portion of the stock or assets of Primary Access. Primary Access shall
discontinue, and  instruct its  agents  to discontinue,  any preparation  for  a
public  offering, including but not limited to consulting in any manner with its
advisors regarding  such  an  offering.  Primary Access  agrees  that  any  such
negotiations  in progress as of the date of the Reorganization Agreement will be
terminated or suspended  during such  period. In  no event  will Primary  Access
solicit  or enter into an agreement concerning any such third party transaction.
If between the date of the  Reorganization Agreement and the termination of  the
Reorganization  Agreement, Primary Access receives from  a third party any offer
or indication of interest regarding any  of the transactions referred to  above,
or  any  request for  information regarding  any  of such  transactions, Primary
Access shall (i) notify 3Com immediately  of such offer, indication of  interest
or  request, including the full terms of  any proposal therein, (ii) notify such
third party of  Primary Access' obligations  under the Reorganization  Agreement
and (iii) reject any offer so received.

    Except  as specifically provided in the Reorganization Agreement and subject
to the provisions  regarding the calculation  of the Exchange  Ratio, until  the
Closing, all risk of loss, damage or destruction to Primary Access' assets shall
be borne by Primary Access.

    3Com  has agreed that it will: a)  promptly advise Primary Access in writing
of any event occurring subsequent to the date of Reorganization Agreement  which
would  render any  representation or  warranty of 3Com  or Sub  contained in the
Reorganization Agreement, if  made on or  as of the  date of such  event or  the
Closing  Date,  untrue or  inaccurate in  any material  respect; b)  reserve for
issuance, out of its authorized but  unissued capital stock, the maximum  number
of  shares of  3Com Common  Stock as  may be  issuable upon  consummation of the
Merger; c) use  its Best Efforts  to satisfy or  cause to be  satisfied all  the
conditions precedent set forth in Section 9 of the Reorganization Agreement, and

                                       35
<PAGE>
3Com  and Sub will use their Best Efforts to cause the Merger to be consummated,
and, without limiting the  generality of the foregoing,  to obtain all  consents
and  authorizations of third parties and to  make all filings with, and give all
notices to, third parties which may  be necessary or reasonably required on  its
part  in order  to effect  the transactions  contemplated by  the Reorganization
Agreement; and d) cause the shares of  3Com Common Stock issuable in the  Merger
to  holders of Primary Access  Stock to be authorized  for listing on the Nasdaq
National Market, subject to official notice of issuance.

    3Com and Primary Access have further  agreed that: a) each party shall  keep
confidential  all  Confidential Information  (as  defined in  the Reorganization
Agreement) received by it from or relating to the other party; b) Primary Access
will discontinue any preparation for a public offering of Primary Access  Stock;
c)  subject to the terms and conditions of the Reorganization Agreement, Primary
Access and 3Com shall use their Best  Efforts to (i) make all necessary  filings
with  respect to the Merger and the  Reorganization Agreement under the HSR Act,
the Securities  Act,  the  Exchange  Act and  applicable  blue  sky  or  similar
securities  laws  and  obtain  required approvals  and  clearances  with respect
thereto and  shall supply  all additional  information requested  in  connection
therewith;  (ii)  make merger  notification  or other  appropriate  filings with
federal, state or local governmental  bodies or applicable foreign  governmental
agencies  and obtain required approvals and  clearances with respect thereto and
supply all  additional  information  requested in  connection  therewith;  (iii)
obtain  all consents, waivers, approvals,  authorizations and orders required in
connection with the authorization, execution and delivery of the  Reorganization
Agreement  and the  consummation of the  Merger; and  (iv) take, or  cause to be
taken, all  appropriate  action,  and  do,  or cause  to  be  done,  all  things
necessary,  proper or advisable to consummate  and make effective as promptly as
practicable, but no later than June  30, 1995, the transactions contemplated  by
the Reorganization Agreement; d) 3Com and Primary Access shall each use its Best
Efforts  to cause the  business combination to  be effected by  the Merger to be
accounted for as  a pooling of  interests; e)  each of 3Com  and Primary  Access
shall  use its Best Efforts  (i) to cause its  respective affiliates not to take
any action that would adversely affect the ability of Sub or 3Com to account for
the business combination to be effected by the Merger as a pooling of  interests
and  (ii)  to cause  its  respective affiliates  to sign  and  deliver to  Sub a
customary "Affiliates Agreement" in form and  substance agreed upon by 3Com  and
Primary Access; and f) Primary Access will cooperate with 3Com to effectuate the
transactions  contemplated by  the Reorganization  Agreement and  to fulfill the
conditions to close.

CONDITIONS TO THE MERGER

    The respective obligations of Primary Access  and 3Com to effect the  Merger
are  subject to  the following conditions,  among others:  a) the Reorganization
Agreement and the Agreement of Merger shall  have been approved by the board  of
directors  and the shareholders of Primary  Access in accordance with applicable
laws and regulatory requirements and the issuance of shares of 3Com Common Stock
shall have been approved by the  shareholders of 3Com if required by  applicable
law  or by any requirement of the National Association of Securities Dealers; b)
the Reorganization Agreement and  the Agreement of Merger  shall have been  duly
and  validly approved and authorized by the  board of directors of 3Com and Sub,
respectively, and  the shareholder  of Sub;  c) shareholders  of Primary  Access
holding no more than 8% of the outstanding shares of Primary Access Stock shall,
or  might be able to perfect, dissenters'  rights in connection with the Merger;
d) the Registration Statement shall have  become effective and shall not be  the
subject  of  a stop  order  or proceedings;  e)  on and  as  of the  Closing, no
litigation or proceeding shall be  threatened or pending against Primary  Access
or  3Com for the purpose or with  the probable effect (in the reasonable opinion
of  3Com's  counsel  and  Primary  Access'  counsel)  (other  than  the  DataNet
Litigation)   of  enjoining  or  preventing  the  consummation  of  any  of  the
transactions contemplated by  Reorganization Agreement,  or which  would have  a
material   adverse  effect  on  the  business,  liabilities,  income,  property,
operations or prospects  of Primary  Access subsequent  to the  Closing, and  no
judgment,   decree,  injunction,  rule  or  order  of  any  court,  governmental
department,  commission,  agency,   instrumentality  or   arbitrator  shall   be
outstanding  against Primary  Access; f) William  Stensrud and  James Dunn shall
have entered into

                                       36
<PAGE>
non-compete  and  non-solicitation   agreements,  substantially   in  the   form
satisfactory  to 3Com  Corporation; g)  there shall  not have  been any material
adverse changes  in  the  financial condition,  results  of  operations,  assets
liabilities,  business  or prospects  of Primary  Access since  the date  of the
Reorganization Agreement;  h) 3Com  shall have  received all  written  consents,
assignments,  waivers,  authorizations or  other certificates  reasonably deemed
necessary by 3Com's legal counsel to provide for the continuation in full  force
and  effect or assignment or termination of  any and all contracts and leases of
Primary Access; i) at least 90% of  the employees of Primary Access employed  on
the  date of Reorganization  Agreement shall remain  employed by Primary Access,
and there shall have  been no resignations or  other statements by employees  of
Primary  Access expressing  an intention  to terminate  employment with  3Com or
Primary Access following the Closing in numbers inconsistent with the  foregoing
(excluding for all such purposes persons previously disclosed to 3Com); j) there
shall  have been  obtained at or  prior to the  date of Closing  such permits or
authorizations and there  shall have  been taken such  other action,  as may  be
required  by any regulatory  authority having jurisdiction  over the parties and
the subject matter and  the actions proposed to  be taken in the  Reorganization
Agreement;  k) Brobeck, Phleger & Harrison,  counsel to Primary Access, and Gray
Cary Ware &  Freidenrich, counsel to  3Com, to  the extent that  either of  such
counsel  can render such opinion,  shall have rendered an  opinion to the effect
that, when  the  Merger is  consummated  in accordance  with  the terms  of  the
Reorganization  Agreement, for Federal income tax purposes it will be treated as
a reorganization  within the  meaning of  Section  368(a) of  the Code;  l)  the
representations  and warranties set forth in the Reorganization Agreement, as to
3Com shall be true  and correct when  made and, as to  Primary Access, shall  be
true  on the Closing with the same force and  effect as if they had been made on
the Closing, provided that Primary Access has the right to provide 3Com with one
or more supplements to its initial disclosure schedule prior to the Closing, and
Primary Access shall use its Best Efforts to provide any such supplements at the
earliest possible date prior  to Closing; m) the  performance and compliance  in
all  material  respects of  all  covenants and  obligations  of the  other party
required to  be performed  under the  Reorganization Agreement;  n) the  Closing
shall  occur on or  before June 30, 1995  or such later date  as the parties may
mutually agree; o) 3Com and Primary  Access shall each have received an  opinion
from counsel for the other party regarding certain matters; and p) the shares of
3Com Common Stock issuable in the Merger shall have been approved for listing on
the  Nasdaq National Market. In addition, it is a condition to the obligation of
Primary Access to effect  the Merger that any  dispute regarding the amount,  if
any,  of the Adjustment  shall have been resolved  and it is  a condition to the
obligation of 3Com to effect the Merger that Primary Access and its shareholders
shall not have taken any action after the date of the Reorganization  Agreement,
which  in the  reasonable opinion  of Deloitte  & Touche  LLP would  prevent the
Merger being accounted for as a pooling of interests.

TERMINATION OR AMENDMENT OF REORGANIZATION AGREEMENT

    The Reorganization Agreement  may be  terminated at  any time  prior to  the
Closing  by the  mutual written  consent of  3Com, Sub  and Primary  Access. The
Reorganization Agreement may also be terminated and abandoned (a) by 3Com if any
of the conditions precedent to 3Com's obligations pursuant to Section 10 of  the
Reorganization  shall not have been fulfilled at  and as of the Closing and 3Com
has not misrepresented or breached any of its warranties or covenants under  the
Reorganization  Agreement; or  (b) by  Primary Access  if any  of the conditions
precedent  to  Primary  Access'  obligations  pursuant  to  Section  9  of   the
Reorganization  Agreement shall not have been fulfilled at and as of the Closing
and Primary Access has not misrepresented  or breached any of its warranties  or
covenants under the Reorganization Agreement.

    If  3Com or Sub fails  to consummate the Merger by  June 30, 1995 or because
any one of the closing conditions in Section 10 of the Reorganization  Agreement
were not satisfied, 3Com shall reimburse Primary Access for any reasonable legal
and  accounting expenses specifically  incurred by Primary  Access in connection
with the  Reorganization  Agreement  (but excluding  any  expenses  incurred  by
Primary  Access in connection  with Primary Access'  contemplated initial public
offering) in  an  aggregate  amount  of  up  to  $250,000.  Notwithstanding  the
foregoing, 3Com shall have no obligation to

                                       37
<PAGE>
reimburse  Primary Access  for such  expenses if  the Merger  is not consummated
because of  the failure  of Primary  Access to  satisfy the  condition that  the
representations and warranties of Primary Access contained in the Reorganization
Agreement  be true  on and  as of  the Closing,  due to  3Com's discovery  of or
Primary Access'  providing  notice to  3Com  of exceptions  to  Primary  Access'
representations and warranties in addition to the exceptions provided by Primary
Access to 3Com prior to or on the date of the Reorganization Agreement.

    In  the event the  Reorganization Agreement is  terminated by either Primary
Access or 3Com as  described above, each  party shall continue  to abide by  the
provisions of the Mutual Nondisclosure Agreement between 3Com and Primary Access
entered into as of September 8, 1994.

    Neither  Primary  Access  nor  3Com  is  limited  to  the  termination right
described above  in  the  event  that any  condition  to  such  party's  closing
obligations  is not fulfilled, but  may, in the alternative,  elect to do one of
the following: (a) proceed  to close despite the  nonfulfillment of any  closing
condition,   it  being   understood  that   consummation  of   the  transactions
contemplated by the  Reorganization Agreement shall  be deemed a  waiver of  any
misrepresentation  or breach of  warranty or covenant and  of any party's rights
and remedies  with respect  thereto (except  for the  remedies provided  in  the
indemnification  and escrow provisions  of the Reorganization  Agreement) to the
extent  that   the   other  party   shall   have  actual   knowledge   of   such
misrepresentation or breach and the Closing shall nonetheless take place; or (b)
decline  to close, terminate the Reorganization Agreement as provided above, and
thereafter seek damages to the extent permitted by the Reorganization  Agreement
as described below.

    If  the Reorganization  Agreement is  terminated pursuant  to the provisions
described above, neither party shall have any claim against the other except for
fees, if any, payable under Section 12.2 of the Reorganization Agreement, except
if the circumstances giving  rise to such termination  were caused by the  other
party's  willful failure  to comply  with a  material covenant  contained in the
Reorganization Agreement,  in which  event termination  shall not  be deemed  or
construed  as limiting or denying any legal or equitable right or remedy of said
party, and said party shall be entitled to recover its costs and expenses  which
are   incurred  in  pursuing  its  rights  and  remedies  (including  reasonable
attorneys' fees).

CERTAIN FEDERAL INCOME TAX CONSIDERATIONS

    The following  discussion  summarizes  certain of  the  federal  income  tax
considerations of the Merger that are generally applicable to 3Com, Sub, Primary
Access  and holders of Primary Access Stock.  This discussion does not deal with
all federal income tax considerations that may be relevant to particular Primary
Access  shareholders  in  light  of  their  particular  circumstances,  such  as
shareholders  who are dealers in securities, foreign persons or shareholders who
acquired their  shares  in  connection  with stock  option  plans  or  in  other
compensatory  transactions. In addition, the following discussion generally does
not address the tax consequences of other transactions effectuated prior to,  at
the  time  of or  after  the Merger  (whether or  not  such transactions  are in
connection with  the  Merger) including,  without  limitation, the  exercise  of
options,  warrants  or similar  rights to  purchase stock,  the release  of 3Com
Common Stock  to 3Com  from the  Escrow  Fund, or  the exchange,  assumption  or
substitution  of options, warrants or similar  rights to purchase Primary Access
Stock for rights to purchase 3Com  Common Stock. Furthermore, no foreign,  state
or  local tax considerations  are addressed herein. This  discussion is based on
legal authorities in existence as of the date hereof. No assurances can be given
that future  legislation, regulations,  administrative pronouncements  or  court
decisions  will  not  significantly change  the  law and  materially  affect the
conclusions  expressed  herein.  Any  such   change,  even  though  made   after
consummation  of the  Merger, could  be applied  retroactively. ACCORDINGLY, ALL
PRIMARY ACCESS SHAREHOLDERS ARE  URGED TO CONSULT THEIR  OWN TAX ADVISORS AS  TO
THE SPECIFIC FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF THE MERGER TO
THEM.

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<PAGE>
    Subject to the limitations and qualifications described herein, and assuming
the  Merger qualifies as a  reorganization within the meaning  of the Code, then
the following tax consequences should generally result:

        (a) No gain or  loss should be recognized  by holders of Primary  Access
    Stock  upon their receipt in the Merger  of 3Com Common Stock (except to the
    extent of cash received in lieu  of a fractional share thereof) in  exchange
    therefor;

        (b)  The aggregate tax  basis of the  3Com Common Stock  received in the
    Merger (including any fractional  share that is treated  as issued and  sold
    pursuant  to paragraph (d)  below) should be  the same as  the aggregate tax
    basis of Primary Access Stock surrendered in exchange therefor;

        (c) The holding period of the  3Com Common Stock received in the  Merger
    should  include the period for which the Primary Access Stock surrendered in
    exchange therefor was held, provided that  the Primary Access Stock is  held
    as a capital asset at the Effective Date;

        (d)  Cash  received  by  a  Primary  Access  shareholder  in  lieu  of a
    fractional share of 3Com  Common Stock should be  treated as received for  a
    fractional share of 3Com Common Stock that had been issued in the Merger and
    then  sold by such Primary Access  shareholder. A Primary Access shareholder
    receiving such  cash  should generally  recognize  gain or  loss  upon  such
    payment equal to the difference (if any) between such shareholder's basis in
    the  fractional share  and the  amount of cash  received. Such  gain or loss
    should be a  capital gain or  loss if,  at the Effective  Date, the  Primary
    Access Stock is held as a capital asset;

        (e) A shareholder who exercises appraisal rights with respect to a share
    of  Primary Access Stock  and receives payment  for such share  in cash will
    generally recognize capital gain or capital loss (if such share was held  as
    a  capital asset at the Effective  Date), measured by the difference between
    the holder's basis in such share and the amount of cash received,  provided,
    however,  the payment is neither essentially equivalent to a dividend within
    the meaning of Section 302 of the Code nor has the effect of a  distribution
    of  a  dividend  within  the  meaning  of  Section  356(a)(2)  of  the  Code
    (collectively  a  "Dividend  Equivalent  Transaction").  A  sale  of  shares
    pursuant to an exercise of appraisal rights will generally not be a Dividend
    Equivalent  Transaction if,  as a result  of such  exercise, the shareholder
    exercising appraisal  rights owns  no shares  of 3Com  Common Stock  (either
    actually  or constructively within the meaning  of Section 318 of the Code);
    and

        (f) Neither 3Com, Primary Access nor  Sub should recognize gain or  loss
    solely as a result of the Merger.

    The  parties are not  requesting a ruling from  the Internal Revenue Service
("IRS") regarding  the consequences  of  the Merger.  To  the extent  that  such
counsel  can render an  opinion, both parties  shall receive an  opinion of Gray
Cary Ware & Freidenrich  and Brobeck, Phleger &  Harrison, respectively, to  the
effect  that the Merger will constitute a "reorganization" within the meaning of
Section 368(a)  of the  Code. Such  opinions (collectively  the "Tax  Opinions")
neither  bind the IRS nor preclude the IRS from adopting a contrary position. In
addition, this  discussion and  the  Tax Opinions  will  be subject  to  certain
assumptions  and qualifications and will  be based on the  truth and accuracy of
certain representations and  warranties made  by 3Com, Sub,  Primary Access  and
certain shareholders of Primary Access.

    Of  particular importance, the above discussion and the Tax Opinions will be
based on certain  assumptions, representations  and warranties  relating to  the
satisfaction  of  the "continuity  of  interest" requirement  for reorganization
treatment. To satisfy  the continuity  of interest  requirement, Primary  Access
shareholders  must not, pursuant to a plan or intent existing at or prior to the
Merger, dispose of or transfer so much of either (i) their Primary Access  Stock
in  anticipation of the Merger  or (ii) the 3Com Common  Stock to be received in
the Merger (collectively "Planned Dispositions"),  such that the Primary  Access
shareholders,  as a group,  would no longer have  a meaningful continuing equity
interest in 3Com  after the  Merger. Planned Dispositions  include, among  other
things, disposition of shares pursuant to the exercise of dissenters' rights.

                                       39
<PAGE>
    Irrespective  of the  reorganization status  of the  Merger, a  recipient of
shares of 3Com Common Stock  would recognize income or  gain to the extent  such
shares were considered to be received in exchange for services or property other
than  solely Primary Access Stock. Gain would also be recognized to the extent a
Primary Access shareholder  was treated  as receiving  (directly or  indirectly)
consideration  other than 3Com  Common Stock in exchange  for his Primary Access
Stock.

    A successful IRS challenge to the reorganization status of the Merger (as  a
result  of a failure  of the "continuity of  interest" requirement or otherwise)
would result  in a  Primary Access  shareholder recognizing  gain or  loss  with
respect  to each share of  Primary Access Stock equal  to the difference between
the shareholder's basis  in such  share and  the fair  market value,  as of  the
Effective  Date,  of the  3Com  Common Stock  received  in exchange  therefor. A
shareholder's aggregate basis in the 3Com  Common Stock so received would  equal
its  fair market value and his holding period for such stock would begin the day
after the Merger.

AFFILIATES AGREEMENTS

    The shares  of 3Com  Common  Stock to  be issued  in  the Merger  have  been
registered  under the  Securities Act by  a Registration Statement  on Form S-4,
thereby allowing such securities to be traded without restriction by all  former
holders of Primary Access Common Stock who are not deemed to be "affiliates" (as
such  term is  defined for  purposes of  Rule 145  under the  Securities Act) of
Primary Access  at the  time the  transaction is  submitted for  a vote  to  the
Primary  Access  shareholders and  do  not become  affiliates  (as such  term is
defined for purposes  of Rule  145 under the  Securities Act)  of 3Com.  Primary
Access shareholders who may be deemed to be affiliates of Primary Access or 3Com
will be so advised prior to the Effective Date.

    Pursuant to the terms of the Affiliates Agreement, each affiliate of Primary
Access  will  agree not  to make  any sale  of 3Com  Common Stock  received upon
consummation of the Merger in violation of  the Securities Act or the rules  and
regulations  promulgated thereunder. Generally this will require that such sales
be made in accordance with Rule  145(d) under the Securities Act promulgated  by
the  SEC, which in turn requires that, for specified periods, such sales be made
in compliance with the volume limitations, manner of sale provisions and current
information requirements  of  Rule 144  under  the Securities  Act.  The  volume
limitations  should  not pose  any material  limitations  on any  Primary Access
shareholder who owns less than 1%  of 3Com's outstanding Common Stock after  the
Merger,  unless, pursuant to Rule 144, such shareholder's shares are required to
be aggregated with those of another shareholder.

    In addition, each affiliate  of Primary Access has  agreed (i) not to  sell,
exchange,  transfer, pledge, dispose of or otherwise reduce his risk relative to
shares of Primary Access Stock owned by such affiliate for 30 days prior to  the
Effective  Date;  (ii)  not  to sell,  exchange,  transfer,  pledge,  dispose or
otherwise reduce  his risk  relative to  3Com Common  Stock until  such time  as
financial  results covering at least 30 days  of the combined operations of 3Com
and Primary Access  after the Effective  Date have  been filed with  the SEC  or
published  by 3Com; and (iii) not to  offer, sell, exchange, transfer, pledge or
otherwise dispose  of any  3Com Common  Stock except  as permitted  by Rule  145
promulgated  under the Securities Act  by the SEC or  pursuant to a registration
statement under, or an exemption from, the Securities Act.

    Each affiliate of 3Com has signed an Affiliates Agreement pursuant to  which
such affiliate has agreed not to sell, exchange, transfer, pledge, dispose of or
otherwise  reduce his risk relative  to the 3Com Common  Stock during the period
beginning 30  days  prior to  consummation  of the  Merger  until such  time  as
financial  results covering at least 30 days  of the combined operations of 3Com
and Primary Access  after the Effective  Date have  been filed with  the SEC  or
published by 3Com.

GOVERNMENTAL AND REGULATORY APPROVALS

    3Com and Primary Access are aware of no governmental or regulatory approvals
required  for consummation of the Merger,  other than registration of the shares
of 3Com Common Stock that are issuable in the Merger pursuant to the  Securities
Act and compliance with applicable securities and

                                       40
<PAGE>
"blue  sky" laws of  the various states. The  Merger is also  subject to the HSR
Act, and  the regulations  thereunder, which  provide that  certain  acquisition
transactions  (including  the  Merger)  may  not  be  consummated  until certain
information has  been  furnished  to  the  Antitrust  Division  (the  "Antitrust
Division")  and the  Federal Trade Commission  (the "FTC"),  and certain waiting
period requirements have ben satisfied. 3Com  and Primary Access have filed  the
required information with the Antitrust Division and the FTC but, as of the date
of this Prospectus/Consent Solicitation Statement, the applicable waiting period
has  not yet  expired. There can  be no  assurance that the  waiting period will
expire without a challenge to the Merger from the Antitrust Division or the FTC.
Termination of the waiting period does not preclude the Antitrust Division,  the
FTC or any other party from challenging or seeking to delay or enjoin the Merger
on  antitrust  or  other  grounds.  There can  be  no  assurance  that  any such
challenge, if made, would not be  successful; however, neither 3Com nor  Primary
Access believes that the Merger will violate the antitrust laws. Any such action
taken  or threatened prior to  the Effective Date could  relieve 3Com or Primary
Access of their  respective obligations  under the  Reorganization Agreement  to
consummate the Merger.

NON-COMPETE AND SEVERANCE AGREEMENTS

    William  Stensrud,  President,  Chief  Executive  Officer,  director  and  a
principal shareholder  of  Primary  Access,  and  James  Dunn,  Chief  Technical
Officer,   Vice  President,  Advanced  Development,  director  and  a  principal
shareholder of Primary Access, will execute non-compete and severance agreements
with 3Com prior to the Closing which provide that for a period of two years from
the Effective Date, and for so long as such officer is employed by or serves  as
a consultant to 3Com, he will not directly or indirectly: (i) participate in the
ownership,  management, operation, sales  or control of, or  be connected in any
manner with any business that competes with the business of Primary Access; (ii)
solicit employees of 3Com for the purpose of recruitment; nor (iii) disclose  or
use  any  confidential  information  of  3Com.  The  non-compete  and  severance
agreements also include a severance provision which provides that if the officer
is terminated, other than  "for cause", within the  above two year period,  such
officer  shall be entitled to a severance payment equal to six (6) months salary
and the immediate  vesting of all  unexpired Primary Access  stock options  then
held by the officer. For purposes of these agreements, "3Com" refers to 3Com and
its majority owned direct and indirect subsidiaries.

ACCOUNTING TREATMENT

    The  Merger is  expected to meet  all of  the conditions for  treatment as a
pooling of interests  for accounting  purposes. Prior  to the  execution of  the
Reorganization  Agreement, 3Com and Primary Access each received from Deloitte &
Touche LLP and KPMG Peat Marwick LLP, their respective independent  accountants,
determination  letters  to  the effect  that  they  know of  nothing  that would
prohibit the Merger from being treated as a pooling of interests transaction for
accounting purposes.

    Under the pooling  of interests  method of accounting,  3Com's prior  period
consolidated  financial statements will be restated to include Primary Access on
a combined basis,  with all significant  intercompany accounts being  eliminated
and all expenses relating to the combination being deducted from combined income
for the period during which such expenses are incurred.

DISSENTERS' RIGHTS

    THE  FOLLOWING SUMMARY OF APPRAISAL RIGHTS UNDER CALIFORNIA LAW IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO CHAPTER 13 OF THE CALIFORNIA GENERAL CORPORATION
LAW, THE COMPLETE TEXT OF WHICH IS ATTACHED HERETO AS APPENDIX B.

    FAILURE TO STRICTLY  FOLLOW THE PROCEDURES  SET FORTH IN  CHAPTER 13 OF  THE
CALIFORNIA GENERAL CORPORATION LAW MAY RESULT IN THE LOSS, TERMINATION OR WAIVER
OF  APPRAISAL RIGHTS. A PRIMARY ACCESS SHAREHOLDER WHO SIGNS A CONSENT APPROVING
AND AUTHORIZING THE REORGANIZATION  AGREEMENTS OR WHO  RETURNS A BLANK  EXECUTED
PROXY WILL NOT HAVE A RIGHT TO DISSENT FROM THE REORGANIZATION AGREEMENT.

                                       41
<PAGE>
    Under  the CGCL each Primary Access shareholder as of              , 1995 is
entitled to demand and receive payment of  the fair value of all or any  portion
of  such holder's shares of  Primary Access Stock pursuant  to Chapter 13 of the
CGCL owned by such holder if the  Merger is consummated. The fair value of  such
shares is determined as of March 21, 1995, the last trading day before the first
announcement  of the  terms of  the Merger.  Any Primary  Access shareholder who
elects to perfect such  holder's dissenters' rights and  demands payment of  the
fair  value of such holder's shares of Primary Access Stock must strictly comply
with Chapter  13 of  the CGCL.  The following  summary does  not purport  to  be
complete  and is  qualified in its  entirety by  reference to Chapter  13 of the
CGCL, the text of  which is attached  as APPENDIX B  and is incorporated  hereby
reference.  Any holder of  shares of Primary  Access Stock considering demanding
dissenters' rights is advised to  consult legal counsel. Dissenting rights  will
not be available unless and until the Merger (or a similar business combination)
is  consummated. To perfect the  right to dissent and  receive the fair value of
such holder's  shares, the  shareholder must  neither vote  for the  Merger  nor
return  an executed  Consent that is  left blank. A  dissenting shareholder must
either vote  against the  Merger  or abstain  from  voting. A  Consent  returned
without voting instructions will be voted in favor of the Merger and as a result
such Primary Access shareholder will lose such holder's dissenters' rights.

    Within 10 days after the date of approval of the Merger, Primary Access will
mail  to each Primary Access shareholder who  did not vote for the Merger notice
(the "Notice") of the approval of the merger by the Primary Access shareholders,
accompanied by a copy of Sections 1300-1304  of the CGCL. The Notice shall  also
state  the price determined by Primary Access to be the fair market value of the
Dissenting Shares and a brief description of  the procedure to be followed by  a
shareholder who elects to dissent.

    Any  dissenting Primary Access  shareholder who desires  that Primary Access
purchase his  shares of  Primary  Access Stock  must  make written  demand  upon
Primary Access for the purchase of such shares. The demand must be made no later
than  30 days after the Notice was mailed to the shareholder. The Primary Access
shareholder's demand must state the number and class of shares held of record by
the Primary Access shareholder which the shareholder demands that Primary Access
purchase, as well as a  statement by the Primary  Access shareholder as to  what
such  holder thinks the fair market value of  such share was as of the day prior
to the  announcement  of  the  Merger.  The  statements  of  fair  market  value
constitutes  an offer by  the Primary Access  shareholder to sell  the shares at
such price. Neither voting against, abstaining  from voting nor failing to  vote
on the Merger constitutes such written demand.

    Within  the  same 30-day  period following  the mailing  of the  Notice, the
dissenting  shareholder   must  submit   to  Primary   Access  for   endorsement
certificates for any shares which the Primary Access shareholder demands Primary
Access purchase. If Primary Access and the Primary Access shareholder agree upon
the price of the Dissenting Shares, the dissenting Primary Access shareholder is
entitled  to the agreed price with interest  at the legal rate on judgments from
the date of such agreement. Payment must be made within 30 days of the later  of
the  date of  the agreement between  the Primary Access  shareholder and Primary
Access or the date the contractual conditions to the Merger are satisfied.

    If Primary Access  and the shareholder  cannot agree as  to the fair  market
value  or as to  the fact that  such shares are  Dissenting Shares, such Primary
Access shareholder may  file within six  months of  the date of  mailing of  the
Notice  a complaint  with the  California Superior Court  for the  County of San
Diego demanding judicial determination of such matters. Primary Access will then
be required to make any payments in accordance with such judicial determination.
If the complaint is not filed within the specified six-month period, the Primary
Access shareholder's rights as a dissenter are lost.

    Dissenting shares lose their status as  such if (i) Primary Access  abandons
the  Merger; (ii) the  shares are transferred or  are surrendered for conversion
into shares of another class; (iii)  the Primary Access shareholder and  Primary
Access  do  not  agree  as  to  the fair  market  value  of  such  shares  and a

                                       42
<PAGE>
complaint is not filed within six months  of the date of the Notice was  mailed;
or (iv) the dissenting Primary Access shareholder withdraws, with the consent of
Primary Access, his demand for purchase of the dissenting shares.

    At the Effective Date, the shares of Primary Access held by a Primary Access
shareholder  exercising  his  dissenters'  rights  will  be  canceled,  and such
shareholder will be entitled  to no further rights  except the right to  receive
payment  of the  fair value  of such  holder's shares  of Primary  Access Stock.
However, if the  Primary Access  shareholder fails  to perfect  or withdraws  or
loses  such holder's rights as a dissenter  with respect to such holder's shares
of Primary Access Stock,  such holder's shares of  Primary Access Stock will  be
exchanged for 3Com Common Stock as provided in the Reorganization Agreement.

                                       43
<PAGE>
               UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS

    The  following unaudited pro forma combined financial statements give effect
to the proposed Merger  of 3Com and  Primary Access and the  merger of 3Com  and
Sonix  on a  pooling of  interests basis. Under  this method  of accounting, the
historical book values of  the assets, liabilities  and shareholders' equity  of
Primary  Access and Sonix, as reported  in their respective balance sheets, will
be carried over and combined with the consolidated balance sheet of 3Com and  no
goodwill  or other intangible assets will be  recorded. 3Com will include in its
consolidated statement  of  operations the  results  of operations  for  Primary
Access  and Sonix for the entire fiscal year in which the mergers occur and will
combine and restate its results of  operations for prior periods to include  the
reported  results of operations  of Primary Access and  Sonix for prior periods.
The pro forma  combined balance  sheets assume that  the mergers  took place  on
November  30, 1994 and  combine 3Com's November  30, 1994 unaudited consolidated
balance sheet with Primary Access' January  1, 1995 unaudited balance sheet  and
Sonix'  September  30,  1994 unaudited  balance  sheet. The  pro  forma combined
statements of operations assume that the mergers took place as of the  beginning
of  the periods presented and combine  3Com's consolidated results of operations
for the six months ended November 30, 1994 and for the years ended May 31, 1994,
1993 and 1992  with Primary  Access' results of  operations for  the six  months
ended  January 1, 1995 and for  the years ended July 3,  1994, June 27, 1993 and
June 28, 1992, respectively, and 3Com's results of operations for the six months
ended November 30,  1994 and  for the  years ended May  31, 1994  and 1993  with
Sonix'  results of operations for  the six months ended  September 30, 1994, for
the year  ended  March 31,  1994  and  the period  from  May 1,  1992  (date  of
incorporation)  to March 31,  1993. Certain reclassifications  have been made to
the historical data to make classifications for similar items consistent between
the companies on a pro forma combined basis.

    The accompanying  unaudited  pro  forma financial  information  reflects  an
equivalent per Primary Access Stock value based on an Exchange Ratio of .2420 of
a  share of 3Com Common Stock for each  one share of Primary Access Stock and an
equivalent per Sonix  Common Stock value  based on an  exchange ratio of  2.0138
shares of 3Com Common Stock for each one share of Sonix Common Stock.

    This unaudited pro forma financial information is based on the estimates and
assumptions set forth in the notes to such statements. The pro forma adjustments
made  in  connection  with the  development  of  the pro  forma  information are
preliminary and have been made solely for purposes of developing such pro  forma
information  as  necessary to  comply with  the  disclosure requirements  of the
Securities and Exchange Commission. The  unaudited pro forma combined  financial
statements do not purport to be indicative of the combined financial position or
results  of  operations of  future  periods or  indicative  of the  results that
actually would have been realized had  the entities been a single entity  during
these periods.

    These  unaudited pro forma  combined financial statements  should be read in
conjunction with  the  historical  consolidated  financial  statements  and  the
related  notes thereto of 3Com and Primary Access included elsewhere herein. See
"Index to Financial Statements."

                                       44
<PAGE>
                            3COM AND PRIMARY ACCESS

                  UNAUDITED PRO FORMA COMBINED BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)

<TABLE>
<CAPTION>
                                                         3COM AT      PRIMARY ACCESS
                                                         NOV. 30,      AT JANUARY 1,      PRO FORMA      PRO FORMA
                                                           1994            1995         ADJUSTMENTS*      COMBINED
                                                       ------------   ---------------   -------------   ------------
<S>                                                    <C>            <C>               <C>             <C>
ASSETS
Current Assets:
  Cash and cash equivalents..........................    $ 98,856         $ 7,828                         $  106,684
  Temporary cash investments.........................     139,902              --                            139,902
  Trade receivables..................................     157,275           6,033                            163,308
  Inventories........................................      73,604             815                             74,419
  Deferred income taxes..............................      32,312              --                             32,312
  Other..............................................      16,504             230                             16,734
                                                       ------------   ---------------                   ------------
    Total current assets.............................     518,453          14,906                            533,359
Property & equipment - net...........................      80,036           1,677                             81,713
Other assets.........................................      32,292             781                             33,073
                                                       ------------   ---------------                   ------------
Total................................................    $630,781         $17,364                         $  648,145
                                                       ------------   ---------------                   ------------
                                                       ------------   ---------------                   ------------

LIABILITIES & SHAREHOLDERS' EQUITY
Current Liabilities:
  Accounts payable...................................    $ 76,859         $   992                         $   77,851
  Accrued and other liabilities......................      80,532           3,326       $  4,300(1)           88,158
  Income taxes payable...............................      34,235             353                             34,588
  Current portion of long-term obligations...........         454              --                                454
                                                       ------------   ---------------   -------------   ------------
    Total current liabilities........................     192,080           4,671          4,300             201,051
Long-term debt.......................................     110,000              --                            110,000
Other long-term obligations..........................         926              --                                926

Shareholders' Equity:
  Preferred stock....................................          --          11,974        (11,974)(2)              --
  Common stock (68,386,000 shares on a pro forma
   basis)............................................     250,203             220         11,974(2)          262,397
  Unamortized restricted stock grants................        (170)             --                               (170)
  Retained earnings..................................      77,985             499         (4,300)(1)          74,184
  Accumulated translation adjustment.................        (243)             --                               (243)
                                                       ------------   ---------------   -------------   ------------
    Total shareholders' equity.......................     327,775          12,693         (4,300)            336,168
                                                       ------------   ---------------   -------------   ------------
Total................................................    $630,781         $17,364             --          $  648,145
                                                       ------------   ---------------   -------------   ------------
                                                       ------------   ---------------   -------------   ------------
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                           of 3Com and Primary Access

                                       45
<PAGE>
                            3COM AND PRIMARY ACCESS
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                                                           3COM      PRIMARY ACCESS
                                                                        SIX MONTHS     SIX MONTHS
                                                                        ENDED NOV.   ENDED JAN. 1,     PRO FORMA     PRO FORMA
                                                                         30, 1994         1995        ADJUSTMENTS*    COMBINED
                                                                        ----------   --------------   ------------   ----------
<S>                                                                     <C>          <C>              <C>            <C>
Sales.................................................................   $ 554,088      $14,918                       $ 569,006
Costs and Expenses:
  Cost of sales.......................................................     259,800        6,246                         266,046
  Sales and marketing.................................................     109,908        2,930                         112,838
  Research and development............................................      55,647        2,569                          58,216
  General and administrative..........................................      19,760          942                          20,702
  Purchased in-process technology.....................................      60,796           --                          60,796
  Non-recurring items.................................................      (1,100)          --                          (1,100)
                                                                        ----------   --------------                  ----------
Total.................................................................     504,811       12,687                         517,498
                                                                        ----------   --------------                  ----------
Operating income......................................................      49,277        2,231                          51,508
Other income (expense) - net..........................................        (675)         153                            (522)
                                                                        ----------   --------------                  ----------
Income before income taxes............................................      48,602        2,384                          50,986
Provision for income taxes............................................      17,497          628       $    326(3)        18,451
                                                                        ----------   --------------   ------------   ----------
Net income............................................................   $  31,105      $ 1,756       $   (326)       $  32,535
                                                                        ----------   --------------   ------------   ----------
                                                                        ----------   --------------   ------------   ----------
Net income per common and equivalent share:
  Primary.............................................................   $    0.44      $  0.15                       $    0.44
  Full diluted........................................................   $    0.44      $  0.15                       $    0.44
Common and equivalent shares used in computing per share amounts:
  Primary.............................................................      70,417       11,513         (8,727)(4)       73,203
  Fully diluted.......................................................      71,138       11,563         (8,765)(4)       73,936
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                           of 3Com and Primary Access

                                       46
<PAGE>
                            3COM AND PRIMARY ACCESS
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                        3COM YEAR  PRIMARY ACCESS
                                                                        ENDED MAY    YEAR ENDED      PRO FORMA     PRO FORMA
                                                                        31, 1994    JULY 3, 1994    ADJUSTMENTS*   COMBINED
                                                                        ---------  --------------   ------------   ---------
<S>                                                                     <C>        <C>              <C>            <C>
Sales.................................................................  $ 826,995     $25,791                      $ 852,786
Costs and Expenses:
  Cost of sales.......................................................    405,927      10,587                        416,514
  Sales and marketing.................................................    171,799       5,449                        177,248
  Research and development............................................     76,467       4,495                         80,962
  General and administrative..........................................     35,379       1,678                         37,057
  Purchased in-process technology.....................................    134,481          --                        134,481
                                                                        ---------  --------------                  ---------
Total.................................................................    824,053      22,209                        846,262
                                                                        ---------  --------------                  ---------
Operating income......................................................      2,942       3,582                          6,524
Gain on sale of investment............................................     17,746          --                         17,746
Other income (expense) - net..........................................     (1,150)        185                           (965)
                                                                        ---------  --------------                  ---------
Income before income taxes............................................     19,538       3,767                         23,305
Provision for income taxes............................................     48,232         666        $  841(3)        49,739
                                                                        ---------  --------------    ------        ---------
Net income (loss).....................................................  $ (28,694)    $ 3,101        $ (841)       $ (26,434)
                                                                        ---------  --------------    ------        ---------
                                                                        ---------  --------------    ------        ---------
Net income (loss) per common and equivalent share:
  Primary.............................................................  $   (0.46)    $  0.27                      $   (0.41)
  Fully diluted.......................................................  $   (0.46)    $  0.27                      $   (0.41)
Common and equivalent shares used in computing per share amounts:
  Primary.............................................................     62,620      11,449        (9,021)(4)       65,048
  Fully diluted.......................................................     62,620      11,697        (9,269)(4)       65,048
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                           of 3Com and Primary Access

                                       47
<PAGE>
                            3COM AND PRIMARY ACCESS
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                        3COM YEAR  PRIMARY ACCESS
                                                                        ENDED MAY    YEAR ENDED       PRO FORMA     PRO FORMA
                                                                        31, 1993   JUNE 27, 1993    ADJUSTMENTS*    COMBINED
                                                                        ---------  --------------   -------------   ---------
<S>                                                                     <C>        <C>              <C>             <C>
Sales.................................................................  $ 617,168     $22,278                       $ 639,446
Costs and Expenses:
  Cost of sales.......................................................    320,386       9,312                         329,698
  Sales and marketing.................................................    137,021       3,428                         140,449
  Research and development............................................     64,346       2,867                          67,213
  General and administrative..........................................     33,176       1,560                          34,736
  Non-recurring items.................................................      1,316          --                           1,316
                                                                        ---------  --------------                   ---------
Total.................................................................    556,245      17,167                         573,412
                                                                        ---------  --------------                   ---------
Operating income......................................................     60,923       5,111                          66,034
Other income (expense) - net..........................................       (677)        (48)                           (725)
                                                                        ---------  --------------                   ---------
Income before income taxes............................................     60,246       5,063                          65,309
Provision for income taxes............................................     21,685         522        $ 1,503(3)        23,710
                                                                        ---------  --------------   -------------   ---------
Net income............................................................  $  38,561     $ 4,541        $(1,503)       $  41,599
                                                                        ---------  --------------   -------------   ---------
                                                                        ---------  --------------   -------------   ---------
Net income per common and equivalent share:
  Primary.............................................................  $    0.61     $  0.47                       $    0.63
  Fully diluted.......................................................  $    0.60     $  0.47                       $    0.62
Common and equivalent shares used in computing per share amounts:
  Primary.............................................................     63,248       9,644         (7,310)(4)       65,582
  Fully diluted.......................................................     64,292       9,644         (7,310)(4)       66,626
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                           of 3Com and Primary Access

                                       48
<PAGE>
                            3COM AND PRIMARY ACCESS
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                        3COM YEAR  PRIMARY ACCESS
                                                                        ENDED MAY    YEAR ENDED      PRO FORMA     PRO FORMA
                                                                        31, 1992   JUNE 28, 1992    ADJUSTMENTS*   COMBINED
                                                                        ---------  --------------   ------------   ---------
<S>                                                                     <C>        <C>              <C>            <C>
Sales.................................................................  $ 423,801     $10,279                      $ 434,080
Costs and Expenses:
  Cost of sales.......................................................    224,309       5,812                        230,121
  Sales and marketing.................................................     97,997       2,033                        100,030
  Research and development............................................     48,220       2,478                         50,698
  General and administrative..........................................     31,190       1,230                         32,420
  Purchased in-process technology.....................................     10,404      --                             10,404
                                                                        ---------  --------------                  ---------
Total.................................................................    412,120      11,553                        423,673
                                                                        ---------  --------------                  ---------
Operating income (loss)...............................................     11,681      (1,274)                        10,407
Other income (expense) - net..........................................       (347)       (129)                          (476)
                                                                        ---------  --------------                  ---------
Income (loss) before income taxes.....................................     11,334      (1,403)                         9,931
Provision for income taxes............................................      4,874          29        $ (590)(3)        4,313
                                                                        ---------  --------------    ------        ---------
Net income (loss) before minority interest............................      6,460      (1,432)          590            5,618
Minority interest in net loss of consolidated subsidiary..............      1,498      --                              1,498
                                                                        ---------  --------------    ------        ---------
Net income (loss).....................................................  $   7,958     $(1,432)       $  590        $   7,116
                                                                        ---------  --------------    ------        ---------
                                                                        ---------  --------------    ------        ---------
Net income (loss) per common and equivalent share:
  Primary.............................................................  $    0.13     $ (0.16)                     $    0.11
  Fully diluted.......................................................  $    0.13     $ (0.16)                     $    0.11
Common and equivalent shares used in computing per share amounts:
  Primary.............................................................     59,858       8,861        (6,717)(4)       62,002
  Fully diluted.......................................................     60,574       8,861        (6,717)(4)       62,718
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                           of 3Com and Primary Access

                                       49
<PAGE>
           NOTES TO UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS
                           OF 3COM AND PRIMARY ACCESS

    (1)  The estimated costs associated with  the Merger of $4.3 million include
investment banking, legal and accounting fees.  All of these costs are  expected
to  be charged against operations of the combined company in the period in which
the Merger is consummated. Accordingly, the effects of these costs have not been
reflected in the unaudited pro forma combined statements of operations, but  are
reflected in the unaudited pro forma combined balance sheet.

    (2)  Entry reflects the  issuance of approximately  2,414,000 shares of 3Com
Common Stock in  exchange for  all outstanding  shares of  Primary Access  Stock
based  on the exchange ratio of  .2420 of a share of  3Com Common Stock for each
share of Primary Access Stock.

    (3) Entry reflects a pro forma adjustment to the provision for income  taxes
of Primary Access to the statutory rate of 40% of income before income taxes.

    (4) The unaudited pro forma combined income (loss) per common and equivalent
share  is based upon the weighted average number of common and equivalent shares
outstanding of 3Com  and Primary  Access for  each period  assuming an  exchange
ratio  of .2420 of a share of 3Com Common Stock for each share of Primary Access
Stock, except in loss periods when  common stock equivalent shares are  excluded
as their effect would be antidilutive.

                                       50
<PAGE>
                                 3COM AND SONIX

                  UNAUDITED PRO FORMA COMBINED BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                      SONIX
                                                      3COM AT       AT SEPT.
                                                      NOV. 30,         30,        PRO FORMA      PRO FORMA
                                                        1994          1994       ADJUSTMENTS*     COMBINED
                                                    ------------   -----------   ------------   ------------
<S>                                                 <C>            <C>           <C>            <C>
ASSETS
Current Assets:
  Cash and cash equivalents.......................  $   98,856            --                    $     98,856
  Temporary cash investments......................     139,902            --                         139,902
  Trade receivables...............................     157,275     $   3,293                         160,568
  Inventories.....................................      73,604         3,398                          77,002
  Deferred income taxes...........................      32,312            --                          32,312
  Other...........................................      16,504            58                          16,562
                                                    ------------   -----------                  ------------
    Total current assets..........................     518,453         6,749                         525,202
Property & equipment - net........................      80,036           576                          80,612
Other assets......................................      32,292            --                          32,292
                                                    ------------   -----------                  ------------
Total.............................................  $  630,781     $   7,325                    $    638,106
                                                    ------------   -----------                  ------------
                                                    ------------   -----------                  ------------

LIABILITIES & SHAREHOLDERS' EQUITY
Current Liabilities:
  Notes payable...................................          --     $   1,156                    $      1,156
  Accounts payable................................  $   76,859         2,577                          79,436
  Accrued and other liabilities...................      80,532         1,319     $  1,800(1)          83,651
  Income taxes payable............................      34,235            --                          34,235
  Current portion of long-term obligations........         454            --                             454
                                                    ------------   -----------   ------------   ------------
    Total current liabilities.....................     192,080         5,052        1,800            198,932
Long-term debt....................................     110,000         2,868                         112,868
Other long-term obligations.......................         926                                           926

Shareholders' Equity:
  Common stock (67,180,000 shares on a pro forma
   basis).........................................     250,203            11          844(2)         251,058
  Paid-in-capital.................................          --           844         (844)(2)             --
  Unamortized restricted stock grants.............        (170)           --                            (170)
  Retained earnings (deficit).....................      77,985        (1,304)      (1,800)(1)         74,881
  Accumulated translation adjustment..............        (243)         (146)                           (389)
                                                    ------------   -----------   ------------   ------------
    Total shareholders' equity (deficit)..........     327,775          (595)      (1,800)           325,380
                                                    ------------   -----------   ------------   ------------
Total.............................................  $  630,781     $   7,325           --       $    638,106
                                                    ------------   -----------   ------------   ------------
                                                    ------------   -----------   ------------   ------------
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                               of 3Com and Sonix

                                       51
<PAGE>
                                 3COM AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                      SONIX
                                                        3COM        SIX MONTHS
                                                     SIX MONTHS       ENDED
                                                     ENDED NOV.     SEPT. 30,      PRO FORMA      PRO FORMA
                                                      30, 1994         1994       ADJUSTMENTS*     COMBINED
                                                    ------------   ------------   ------------   ------------
<S>                                                 <C>            <C>            <C>            <C>
Sales.............................................  $  554,088     $    8,978                    $    563,066
Costs and Expenses:
  Operating expenses before research and
   development....................................          --          6,349     $ (6,349)(3)             --
  Cost of sales...................................     259,800             --        4,656(3)         264,456
  Sales and marketing.............................     109,908             --        1,246(3)         111,154
  Research and development........................      55,647            739                          56,386
  General and administrative......................      19,760             --          447(3)          20,207
  Purchased in-process technology.................      60,796             --                          60,796
  Non-recurring items.............................      (1,100)            --                          (1,100)
                                                    ------------   ------------   ------------   ------------
Total.............................................     504,811          7,088           --            511,899
                                                    ------------   ------------   ------------   ------------
Operating income..................................      49,277          1,890                          51,167
Other income (expense) - net......................        (675)          (285)                           (960)
                                                    ------------   ------------   ------------   ------------
Income before income taxes........................      48,602          1,605                          50,207
Provision for income taxes........................      17,497             --          529(4)          18,026
                                                    ------------   ------------   ------------   ------------
Net income........................................  $   31,105     $    1,605     $   (529)      $     32,181
                                                    ------------   ------------   ------------   ------------
                                                    ------------   ------------   ------------   ------------
Net income per common and equivalent share:
  Primary.........................................  $     0.44     $     2.68                    $       0.45
  Full diluted....................................  $     0.44     $     2.68                    $       0.44
Common and equivalent shares used in computing per
 share amounts:
  Primary.........................................      70,417            600          608(5)          71,625
  Fully diluted...................................      71,138            600          608(5)          72,346
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                               of 3Com and Sonix

                                       52
<PAGE>
                                 3COM AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                     3COM YEAR     SONIX YEAR
                                                     ENDED MAY    ENDED MARCH    PRO FORMA       PRO FORMA
                                                      31, 1994      31, 1994    ADJUSTMENTS*      COMBINED
                                                    ------------  ------------  ------------    ------------
<S>                                                 <C>           <C>           <C>             <C>
Sales.............................................  $    826,995  $     7,427                   $    834,422
Costs and Expenses:
  Operating expenses before research and
   development....................................            --        6,212   $    (6,212 )(3)           --
  Cost of sales...................................       405,927           --         3,913 (3)      409,840
  Sales and marketing.............................       171,799           --         1,609 (3)      173,408
  Research and development........................        76,467        1,672                         78,139
  General and administrative......................        35,379           --           690 (3)       36,069
  Purchased in-process technology.................       134,481           --                        134,481
                                                    ------------  ------------  ------------    ------------
Total.............................................       824,053        7,884            --          831,937
                                                    ------------  ------------  ------------    ------------
Operating income (loss)...........................         2,942         (457 )                        2,485
Gain on sale of investment........................        17,746           --                         17,746
Other income (expense) - net......................        (1,150)        (465 )                       (1,615)
                                                    ------------  ------------  ------------    ------------
Income (loss) before income taxes.................        19,538         (922 )                       18,616
Provision for income taxes........................        48,232            1          (304 )(4)       47,929
                                                    ------------  ------------  ------------    ------------
Net loss..........................................  $    (28,694) $      (923 ) $       304     $    (29,313)
                                                    ------------  ------------  ------------    ------------
                                                    ------------  ------------  ------------    ------------
Net loss per common and equivalent share:
  Primary.........................................  $      (0.46) $     (1.54 )                 $      (0.46)
  Fully diluted...................................  $      (0.46) $     (1.54 )                 $      (0.46)
Common and equivalent shares used in computing per
 share amounts:
  Primary.........................................        62,620          600           608 (5)       63,828
  Fully diluted...................................        62,620          600           608 (5)       63,828
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                               of 3Com and Sonix

                                       53
<PAGE>
                                 3COM AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                  SONIX MAY 1,
                                                                   1992 (DATE
                                                                       OF
                                                     3COM YEAR    INCORPORATION)
                                                     ENDED MAY    TO MARCH 31,   PRO FORMA       PRO FORMA
                                                      31, 1993        1993      ADJUSTMENTS*      COMBINED
                                                    ------------  ------------  ------------    ------------
<S>                                                 <C>           <C>           <C>             <C>
Sales.............................................  $    617,168  $      905                    $    618,073
Costs and Expenses:
  Operating expenses before research and
   development....................................            --       2,009    $    (2,009 )(3)           --
  Cost of sales...................................       320,386          --            995 (3)      321,381
  Sales and marketing.............................       137,021          --            609 (3)      137,630
  Research and development........................        64,346         906                          65,252
  General and administrative......................        33,176          --            405 (3)       33,581
  Non-recurring items.............................         1,316          --                           1,316
                                                    ------------  ------------  ------------    ------------
Total.............................................       556,245       2,915             --          559,160
                                                    ------------  ------------  ------------    ------------
Operating income (loss)...........................        60,923      (2,010  )                       58,913
Other income (expense) - net......................          (677)       (101  )                         (778)
                                                    ------------  ------------  ------------    ------------
Income (loss) before income taxes.................        60,246      (2,111  )                       58,135
Provision for income taxes........................        21,685          --           (697 )(4)       20,988
                                                    ------------  ------------  ------------    ------------
Net income (loss).................................  $     38,561  $   (2,111  ) $       697     $     37,147
                                                    ------------  ------------  ------------    ------------
                                                    ------------  ------------  ------------    ------------
Net income (loss) per common and equivalent share:
  Primary.........................................  $       0.61  $    (3.52  )                 $       0.58
  Fully diluted...................................  $       0.60  $    (3.52  )                 $       0.57
Common and equivalent shares used in computing per
 share amounts:
  Primary.........................................        63,248         600            608 (5)       64,456
  Fully diluted...................................        64,292         600            608 (5)       65,500
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                               of 3Com and Sonix

                                       54
<PAGE>
           NOTES TO UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS
                               OF 3COM AND SONIX

    Sonix  maintains  its accounting  records in  Pounds Sterling.  Statement of
operations data has been  translated into U.S. dollars  at the average  exchange
rates  during the periods  presented and balance sheet  data has been translated
into U.S. dollars at the exchange rate in effect at the balance sheet date.

    (1) The estimated costs associated with  the merger of $1.8 million  include
investment  banking, legal and accounting fees.  All of these costs are expected
to be charged against operations of the combined company in the period in  which
the merger is consummated. Accordingly, the effects of these costs have not been
reflected  in the unaudited pro forma combined statements of operations, but are
reflected in the unaudited pro forma combined balance sheet.

    (2) Entry reflects the  issuance of approximately  1,208,000 shares of  3Com
Common  Stock in exchange  for all shares  of Sonix Stock  based on the exchange
ratio of 2.0138 shares of 3Com Common Stock for each share of Sonix Stock.

    (3) Entry reflects an  estimated allocation of cost  of sales and  operating
expenses to be comparable to the 3Com presentation.

    (4)  Entry reflects a pro forma adjustment to the provision for income taxes
of Sonix to the statutory rate of 33% of income before income taxes.

    (5) The unaudited pro forma combined income (loss) per common and equivalent
share is based upon the weighted average number of common and equivalent  shares
outstanding  of 3Com  and Sonix  for each period  assuming an  exchange ratio of
2.0138 shares of 3Com Common Stock for each share of Sonix Stock, except in loss
periods when common stock equivalent shares  are excluded as their effect  would
be antidilutive.

                                       55
<PAGE>
                         3COM, PRIMARY ACCESS AND SONIX

                  UNAUDITED PRO FORMA COMBINED BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)

<TABLE>
<CAPTION>
                                                       PRIMARY      SONIX
                                           3COM AT      ACCESS     AT SEPT.
                                           NOV. 30,   AT JAN. 1,     30,       PRO FORMA     PRO FORMA
                                             1994        1995      1994(6)    ADJUSTMENTS*    COMBINED
                                          ----------  ----------  ----------  ------------   ----------
<S>                                       <C>         <C>         <C>         <C>            <C>
ASSETS
Current Assets:
  Cash and cash equivalents.............  $   98,856  $  7,828           --                  $  106,684
  Temporary cash investments............     139,902        --           --                     139,902
  Trade receivables.....................     157,275     6,033    $   3,293                     166,601
  Inventories...........................      73,604       815        3,398                      77,817
  Deferred income taxes.................      32,312        --           --                      32,312
  Other.................................      16,504       230           58                      16,792
                                          ----------  ----------  ----------                 ----------
    Total current assets................     518,453    14,906        6,749                     540,108
Property & equipment - net..............      80,036     1,677          576                      82,289
Other assets............................      32,292       781           --                      33,073
                                          ----------  ----------  ----------                 ----------
Total...................................  $  630,781  $ 17,364    $   7,325                  $  655,470
                                          ----------  ----------  ----------                 ----------
                                          ----------  ----------  ----------                 ----------

LIABILITIES & SHAREHOLDERS' EQUITY
Current Liabilities:
  Notes payable.........................          --        --    $   1,156                  $    1,156
  Accounts payable......................  $   76,859  $    992        2,577                      80,428
  Accrued and other liabilities.........      80,532     3,326        1,319   $  6,100(1)        91,277
  Income taxes payable..................      34,235       353           --                      34,588
  Current portion of long-term
   obligations..........................         454        --           --                         454
                                          ----------  ----------  ----------  ------------   ----------
    Total current liabilities...........     192,080     4,671        5,052      6,100          207,903
Long-term debt..........................     110,000        --        2,868                     112,868
Other long-term obligations.............         926                                                926

Shareholders' Equity:
  Preferred stock.......................                11,974           --    (11,974)(2)           --
  Common stock (69,594,000 shares on a
   pro forma basis).....................     250,203       220           11     12,818(2)       263,252
  Paid-in-capital.......................          --        --          844       (844)(2)           --
  Unamortized restricted stock grants...        (170)       --           --                        (170)
  Retained earnings (deficit)...........      77,985       499       (1,304 )   (6,100)(1)       71,080
  Accumulated translation adjustment....        (243)       --         (146 )                      (389)
                                          ----------  ----------  ----------  ------------   ----------
    Total shareholders' equity
     (deficit)..........................     327,775    12,693         (595 )   (6,100)         333,773
                                          ----------  ----------  ----------  ------------   ----------
Total...................................  $  630,781  $ 17,364    $   7,325         --       $  655,470
                                          ----------  ----------  ----------  ------------   ----------
                                          ----------  ----------  ----------  ------------   ----------
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                       of 3Com, Primary Access and Sonix

                                       56
<PAGE>
                         3COM, PRIMARY ACCESS AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                       PRIMARY      SONIX
                                             3COM     ACCESS SIX  SIX MONTHS
                                          SIX MONTHS    MONTHS      ENDED
                                          ENDED NOV.  ENDED JAN.  SEPT. 30,    PRO FORMA     PRO FORMA
                                           30, 1994    1, 1995     1994(6)    ADJUSTMENTS*    COMBINED
                                          ----------  ----------  ----------  ------------   ----------
<S>                                       <C>         <C>         <C>         <C>            <C>
Sales...................................  $  554,088  $  14,918   $   8,978                  $  577,984
Costs and Expenses:
  Operating expenses before research and
   development..........................                              6,349   $ (6,349)(3)
  Cost of sales.........................     259,800      6,246          --      4,656(3)       270,702
  Sales and marketing...................     109,908      2,930          --      1,246(3)       114,084
  Research and development..............      55,647      2,569         739                      58,955
  General and administrative............      19,760        942          --        447(3)        21,149
  Purchased in-process technology.......      60,796         --          --                      60,796
  Non-recurring items...................      (1,100)        --          --                      (1,100)
                                          ----------  ----------  ----------  ------------   ----------
Total...................................     504,811     12,687       7,088                     524,586
                                          ----------  ----------  ----------  ------------   ----------
Operating income........................      49,277      2,231       1,890                      53,398
Other income (expense) - net............        (675)       153        (285 )                      (807)
                                          ----------  ----------  ----------  ------------   ----------
Income before income taxes..............      48,602      2,384       1,605                      52,591
Provision for income taxes..............      17,497        628          --        855(4)        18,980
                                          ----------  ----------  ----------  ------------   ----------
Net income..............................  $   31,105  $   1,756   $   1,605   $   (855)      $   33,611
                                          ----------  ----------  ----------  ------------   ----------
                                          ----------  ----------  ----------  ------------   ----------
Net income per common and equivalent
 share:
  Primary...............................  $     0.44  $    0.15   $    2.68                  $     0.45
  Full diluted..........................  $     0.44  $    0.15   $    2.68                  $     0.45
Common and equivalent shares used in
 computing per share amounts:
  Primary...............................      70,417     11,513         600     (8,119)(5)       74,411
  Fully diluted.........................      71,138     11,563         600     (8,157)(5)       75,144
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                       of 3Com, Primary Access and Sonix

                                       57
<PAGE>
                         3COM, PRIMARY ACCESS AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                       PRIMARY
                                                        ACCESS      SONIX
                                          3COM YEAR   YEAR ENDED  YEAR ENDED
                                          ENDED MAY    JULY 3,    MARCH 31,     PRO FORMA     PRO FORMA
                                           31, 1994      1994      1994(6)     ADJUSTMENTS*    COMBINED
                                          ----------  ----------  ----------   ------------   ----------
<S>                                       <C>         <C>         <C>          <C>            <C>
Sales...................................  $  826,995  $  25,791   $  7,427                    $  860,213
Costs and Expenses:
  Operating expenses before research and
   development..........................          --         --      6,212     $ (6,212)(3)           --
  Cost of sales.........................     405,927     10,587         --        3,913(3)       420,427
  Sales and marketing...................     171,799      5,449         --        1,609(3)       178,857
  Research and development..............      76,467      4,495      1,672                        82,634
  General and administrative............      35,379      1,678         --          690(3)        37,747
  Purchased in-process technology.......     134,481         --         --                       134,481
                                          ----------  ----------  ----------   ------------   ----------
Total...................................     824,053     22,209      7,884           --          854,146
                                          ----------  ----------  ----------   ------------   ----------
Operating income (loss).................       2,942      3,582       (457)                        6,067
Gain on sale of investment..............      17,746         --         --                        17,746
Other income (expense) - net............      (1,150)       185       (465)                       (1,430)
                                          ----------  ----------  ----------   ------------   ----------
Income (loss) before income taxes.......      19,538      3,767       (922)                       22,383
Provision for income taxes..............      48,232        666          1          537(4)        49,436
                                          ----------  ----------  ----------   ------------   ----------
Net income (loss).......................  $  (28,694) $   3,101   $   (923)    $   (537)      $  (27,053)
                                          ----------  ----------  ----------   ------------   ----------
                                          ----------  ----------  ----------   ------------   ----------
Net income (loss) per common and
 equivalent share:
  Primary...............................  $    (0.46) $    0.27   $  (1.54)                   $    (0.41)
  Fully diluted.........................  $    (0.46) $    0.27   $  (1.54)                   $    (0.41)
Common and equivalent shares used
 in computing per share amounts:
  Primary...............................      62,620     11,449        600       (8,413)(5)       66,256
  Fully diluted.........................      62,620     11,697        600       (8,661)(5)       66,256
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                       of 3Com, Primary Access and Sonix

                                       58
<PAGE>
                         3COM, PRIMARY ACCESS AND SONIX
             UNAUDITED PRO FORMA COMBINED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                    SONIX
                                                                    MAY 1,
                                                                     1992
                                                       PRIMARY     (DATE OF
                                                        ACCESS    INCORPORATION)
                                          3COM YEAR   YEAR ENDED  TO
                                          ENDED MAY    JUNE 27,   MARCH 31,   PRO FORMA   PRO FORMA
                                           31, 1993      1993      1993(6)    ADJUSTMENTS*  COMBINED
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Sales...................................  $  617,168  $  22,278   $    905                $  640,351
Costs and Expenses:
  Operating expenses before research and
   development..........................          --         --      2,009    $(2,009    (3)         --
  Cost of sales.........................     320,386      9,312         --        995(3)     330,693
  Sales and marketing...................     137,021      3,428         --        609(3)     141,058
  Research and development..............      64,346      2,867        906                    68,119
  General and administrative............      33,176      1,560         --        405(3)      35,141
  Non-recurring items...................       1,316         --         --                     1,316
                                          ----------  ----------  ----------  ----------  ----------
Total...................................     556,245     17,167      2,915         --        576,327
                                          ----------  ----------  ----------  ----------  ----------
Operating income (loss).................      60,923      5,111     (2,010  )                 64,024
Other income (expense) - net............        (677)       (48 )     (101  )                   (826)
                                          ----------  ----------  ----------  ----------  ----------
Income (loss) before income taxes.......      60,246      5,063     (2,111  )                 63,198
Provision for income taxes..............      21,685        522         --        806(4)      23,013
                                          ----------  ----------  ----------  ----------  ----------
Net income (loss).......................  $   38,561  $   4,541   $ (2,111  ) $  (806   ) $   40,185
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
Net income (loss) per common and
 equivalent share:
  Primary...............................  $     0.61  $    0.47   $  (3.52  )             $     0.60
  Fully diluted.........................  $     0.60  $    0.47   $  (3.52  )             $     0.59
Common and equivalent shares used in
 computing per share amounts:
  Primary...............................      63,248      9,644        600     (6,702    (5)     66,790
  Fully diluted.........................      64,292      9,644        600     (6,702    (5)     67,834
</TABLE>

*See the accompanying Notes to Unaudited Pro Forma Combined Financial Statements
                       of 3Com, Primary Access and Sonix

                                       59
<PAGE>
  NOTES TO UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS OF 3COM, PRIMARY
                                ACCESS AND SONIX

    (1)  The estimated costs associated with the mergers of $6.1 million include
investment banking, legal and accounting fees.  All of these costs are  expected
to  be charged against operations of the combined company in the period in which
the mergers are consummated.  Accordingly, the effects of  these costs have  not
been reflected in the unaudited pro forma combined statements of operations, but
are reflected in the unaudited pro forma combined balance sheet.

    (2)  Entry reflects the  issuance of approximately  2,414,000 shares of 3Com
Common Stock in  exchange for  all outstanding  shares of  Primary Access  Stock
based  on the exchange ratio of  .2420 of a share of  3Com Common Stock for each
share of Primary Access Stock and the issuance of approximately 1,208,000 shares
of 3Com Common  Stock in exchange  for all shares  of Sonix Stock  based on  the
exchange  ratio of 2.0138  shares of 3Com  Common Stock for  each share of Sonix
Stock.

    (3) Entry reflects an  estimated allocation of cost  of sales and  operating
expenses to be comparable to the 3Com presentation.

    (4)  Entry reflects a pro forma adjustment to the provision for income taxes
of Primary Access and Sonix to the statutory rates of 40% and 33%, respectively,
of income before income taxes.

    (5) The unaudited pro forma combined income (loss) per common and equivalent
share is based upon the weighted average number of common and equivalent  shares
outstanding  of  3Com, Primary  Access  and Sonix  for  each period  assuming an
exchange ratio  of .2420  of a  share of  3Com Common  Stock for  each share  of
Primary Access Stock and an exchange ratio of 2.0138 shares of 3Com Common Stock
for  each  share  of Sonix  Stock,  except  in loss  periods  when  common stock
equivalent shares are excluded as their effect would be antidilutive.

    (6) Sonix maintains its accounting records in Pounds Sterling. Statement  of
operations  data has been  translated into U.S. dollars  at the average exchange
rates during the periods  presented and balance sheet  data has been  translated
into U.S. dollars at the exchange rate in effect at the balance sheet date.

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                          INFORMATION CONCERNING 3COM

BUSINESS

    INTRODUCTION

    3Com was founded on June 4, 1979 and pioneered the networking industry. 3Com
evolved  from  a  supplier of  discrete  networking  products to  a  supplier of
networking systems for five types of connectivity environments:  building/campus
backbone,  wide-area  backbone, workgroup,  remote  office and  personal office.
Today, 3Com is a  Fortune 500 company  offering customers a  broad range of  ISO
9000-compliant  global data  networking solutions  that includes  routers, hubs,
remote access servers,  switches and  adapters for Ethernet,  Token Ring,  fiber
distributed  data  interface  ("FDDI")  and other  high  speed  networks. 3Com's
products are distributed and serviced  worldwide through 3Com and its  partners:
principally  systems integrators, value-added  resellers, national resellers and
dealers, distributors and original equipment manufacturers.

    3Com's  name  is   derived  from   its  focus   on  COMputer   COMmunication
COMpatibility.    With    its   long-standing    commitment    to   multi-vendor
interoperability, 3Com has been a leader in defining, shaping and promoting  the
growth  of networking  infrastructures that  transmit data  to all  parts of the
world quickly  and  efficiently.  Underlying  this  commitment  is  a  focus  on
SIMPLICITY  in the way 3Com designs and manufactures products, as well as in the
way 3Com works  with customers; SCALABILITY  of products to  allow customers  to
purchase  networking components that  meet their current  requirements, with the
assurance that  3Com has  cost-effective migration  and upgrade  paths as  their
networking  needs  change;  and VALUE  by  providing  high-performance products,
managed through a  single, powerful network  management application, that  lower
the overall cost of the network ownership.

    Following a disappointing first quarter in fiscal 1990, 3Com began the shift
from  client-server  computing,  in which  the  company had  focused  on network
operating software and  computing platforms, to  a new strategy  of global  data
networking  with  a primary  focus  on developing  standards-based  products and
systems used to create  data networking infrastructures. At  the same time  3Com
reorganized  its  sales  force  under a  territory  management  system  to avoid
conflict with channel partners and transitioned  to a new management team.  This
strategy,   with   its  focus   on  systems   comprised  of   network  adapters,
internetworking platforms, hubs and switches, continues to drive 3Com's business
today.

    In fiscal 1991, 3Com announced several actions to accelerate the  transition
to  global data networking.  These included: (i)  the decision to  wind down the
operations of the workgroup  systems business, which  had focused on  developing
computing  platforms optimized for data  networks (network servers, workstations
and operating software),  (ii) the  amendment of 3Com's  license agreement  with
Microsoft  Corporation, making Microsoft solely  responsible for the LAN Manager
network operating  software  and  (iii)  a  reduction  in  3Com's  workforce  of
approximately 12%.

    3Com  recorded a restructuring  charge to operating  income of $67.0 million
related to these actions in the third quarter of fiscal 1991.

    With the restructuring  completed, 3Com  embarked on  an aggressive  product
development program, coupled with strategic acquisitions, to rebuild its product
portfolio  and increase its market share  in the rapidly growing data networking
market.

    During  fiscal  1992  and  1993,  3Com  introduced  new  adapter,  hub   and
internetworking  platforms,  retrained  its  sales  force  to  sell connectivity
systems and solutions, and expanded its global presence with new sales  offices,
service  centers,  and  "parts banks"  worldwide.  The acquisition  of  the data
networking products business  of U.K.-based  BICC Group, plc  (BICC) in  January
1992  strengthened  3Com's  position in  the  structured wiring  hub  market and
expanded 3Com's position in the Europe. In January 1993, 3Com enhanced its Token
Ring   technology   base   with   the   acquisition   of   Star-Tek,   Inc.,   a
Massachusetts-based  Token  Ring hub  manufacturer.  Further, to  meet increased
demand  for  its  network  adapter  products,  in  September  1993,  3Com  began
full-scale  operations  at  its  60,000 square  foot  manufacturing  facility in
Blanchardstown, Ireland.

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    In fiscal 1994,  3Com introduced  its HPSN  architecture with  Transcend-TM-
network   management,   demonstrating   3Com's  ability   to   deliver  complete
connectivity systems with a  full breadth of  products, and providing  customers
with a framework for building and managing scalable, high-performance networking
infrastructures. During the year, 3Com enhanced its product offerings under HPSN
with   two  strategic  acquisitions.  First,  in  January  1994,  3Com  acquired
Synernetics, Inc. ("Synernetics"), 3Com's long-term development partner and  the
then  revenue leader  in the  local area  network ("LAN")  switching market. The
switching products of Synernetics are marketed under the
LANplex-Registered Trademark- name and include the LANplex 6000 backbone  switch
and  LANplex 2000 family  of departmental switches. Second,  in March 1994, 3Com
acquired Centrum Communications, Inc. ("Centrum"), an innovator in remote access
internetworking technology. The Centrum remote  access servers for Ethernet  and
Token Ring networks are marketed under the 3Com trademark AccessBuilder-TM-.

    Additionally,  in December  1993, 3Com  entered into  a technology licensing
agreement with Pacific Monolithics,  Inc., a wireless communications  developer,
that  will allow 3Com  to offer 10 megabits-per  second (Mbps) wireless products
for local area networks. The cost of the license was $2.5 million, substantially
all of which was charged to 3Com's operations during the third fiscal quarter of
1994 as purchased in-process technology.  Fiscal 1994 results included a  $134.5
million  pre-tax  charge  to operations  for  the combined  effect  of purchased
in-process technology related to the acquisitions and licensing agreement.  Also
during fiscal 1994, 3Com expanded the breadth and depth of its product offerings
with  new  and enhanced  adapter,  internetworking and  stackable  hub products,
extended its worldwide presence with sales offices in five additional countries,
expanded its major accounts  sales force and added  new production lines at  its
manufacturing facilities in both the U.S. and Ireland.

    In the first three quarters of fiscal 1995, customer migration toward higher
performance  and geographically  dispersed networks,  which 3Com  had identified
early in fiscal 1994, began to accelerate. 3Com had expanded its product line to
address these  trends with  high performance  adapters, enhanced  remote  access
products, new LAN and ATM switches and higher density internetworking platforms.
Additionally,   during  the  second  quarter   of  fiscal  1995,  3Com  acquired
Israeli-based NiceCom, Ltd., an innovator in ATM technology, and also acquired a
company developing advanced network  adapter technology. The aggregate  purchase
price  of the two acquisitions was approximately $55.5 million plus $6.1 million
of costs attributed to the exchange of the acquired companies' stock options for
3Com stock  options and  $2.0  million of  costs  directly attributable  to  the
completion  of  the  acquisitions.  Approximately  $60.8  million  of  the total
purchase price  represented  in-process technology  and  was charged  to  3Com's
operations  during the quarter. In  the third quarter of  fiscal 1995, 3Com also
acquired Integrated Services Digital Network ("ISDN") innovator and  development
partner, New Jersey-based AccessWorks Communications.

    3Com believes that its principal competitive advantages lie primarily in the
depth  and breadth of the  technologically innovative, industry-leading products
it offers and  a strong yet  flexible business infrastructure.  3Com has  strong
brand  recognition in  Ethernet adapters, which  it believes  is transferable to
other product and technology areas, as well as in stackable networking  systems,
LAN  switching and remote office  and personal office internetworking platforms.
Additionally, 3Com  believes  its low-cost  manufacturing,  worldwide  presence,
flexible   distribution   strategy,  and   comprehensive  service   and  support
capabilities are  allowing 3Com  to take  advantage of  market trends  that  are
extending the reach, scope and performance of today's data networks.

    RECENT DEVELOPMENTS

    On March 14, 1995, 3Com announced that sales for the third quarter of fiscal
1995 were $338.7 million, compared to $218.2 million for the year ago period, an
increase  of 55%. Net  income after tax  was $45.3 million,  or $0.63 per share.
During the quarter, 3Com also acquired AccessWorks Communications.

    On March 22,  1995, 3Com entered  into and announced  an agreement with  the
shareholders  of  Sonix pursuant  to which  the  3Com will  acquire 100%  of the
outstanding stock of Sonix in exchange for 1,208,279 shares of 3Com Common Stock
(with a market value of approximately $70,000,000 as of

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March 22, 1995, the date of the agreement). The transaction is expected to close
on May 1, 1995,  and will be accounted  for as a pooling  of interests. The  pro
forma  unaudited combined financial  statements contained herein  give effect to
the anticipated combination of 3Com with  Sonix on a pooling of interest  basis.
Sonix  is a market  leader in ISDN  in the United  Kingdom, and manufactures and
markets a portfolio of  network access products  specifically designed for  data
and  voice. Sonix had calendar 1994 revenues of approximately $20 million. Sonix
products are targeted at  the simple connectivity  requirements for WAN  groups,
such  as retail and financial entities. Sonix products include low-cost Ethernet
to ISDN,  leased-line or  dial-up bridges  and routers.  Sonix products  provide
connectivity  among  small  dispersed workgroups  and  simple, high-performance,
low-end, low-cost connectivity between central sites and remote offices.

    INDUSTRY SEGMENT INFORMATION

    3Com operates in one industry segment as described above.

    PRODUCTS

    3Com's  HPSN  architecture  with   Transcend  network  management   provides
customers  with a blueprint for building and managing networking infrastructures
using both current and emerging technologies, and for cost-effectively migrating
to higher  performance  networks using  existing  platforms. HPSN  defines  five
connectivity   environments  and   delivers  cost-effective,   scalable  systems
solutions for each,  using the full  breadth of 3Com  products. HPSN  encourages
customers  to build  networks to meet  their current  business objectives, while
providing the assurance that  their networks will scale  as they add more  users
and  new applications and migrate to emerging high performance technologies such
as 100  Mbps Ethernet  and  ATM. The  five  types of  connectivity  environments
defined by HPSN are:

    - WORKGROUP.   Early data  networks were installed as  a means of connecting
      individual members  of a  workgroup  to share  files and  other  computing
      resources,  such  as printers,  using Ethernet  or Token  Ring technology.
      While  this  connectivity  is  still   needed  today,  the  trend   toward
      mission-critical  applications and client/server  topologies has created a
      need for more sophisticated  workgroup connectivity with higher  bandwidth
      capabilities,  enhanced  resilience,  and  a  more  powerful  and flexible
      feature  set.  3Com's  industry-leading  EtherLink-Registered  Trademark-,
      TokenLink-Registered  Trademark-  and  FDDILink-TM-  adapters  provide the
      desktop connection to the LAN, while 3Com
      LinkBuilder-Registered Trademark-  stackable  and chassis-based  hubs  and
      LinkSwitch  workgroup  switches concentrate  and redirect  network traffic
      within the  Workgroup or  to the  corporate backbone.  The  SuperStack-TM-
      network  system, which includes hubs, bridge/routers, switches and an SDLC
      converter for IBM SNA connectivity,  allows network administrators to  add
      functionality  as needed  and build  in fault  tolerance with  an optional
      redundant power system.

    - BUILDING/CAMPUS BACKBONE.    As the  number  and complexity  of  workgroup
      networks   has   increased,  the   need   for  sophisticated   inter-  and
      intra-networking has  led to  the creation  of building-  and  campus-wide
      "collapsed  backbone" networks  to transmit  data quickly  and efficiently
      within a single site. Collapsed backbone networks condense network traffic
      from workgroup and floor-based hubs and switches along the backplane of  a
      single  powerful  device. Working  as  collapsed backbone  devices, 3Com's
      LANplex family of intelligent switches and NETBuilder
      II-Registered Trademark-  routers simplify  wiring complexity,  centralize
      management,  boost  performance  and lower  costs.  Furthermore,  the HPSN
      framework provides  for  an  economical, step-by-step  migration  to  even
      greater  performance through 100 Mbps  Ethernet and ATM technologies using
      existing routing and switching platforms.

    - WAN BACKBONE.   The WAN backbone  is the nerve  center for wide-area  data
      communications.  3Com's high-performance NETBuilder  II routers connect to
      wide-area resources ranging from leased  lines and dial-up connections  to
      packet-switched   and  digital   telephone  services.   Transcend  network
      management  applications  deliver   self-managing  intelligence,   putting
      wide-area  bridge/router administration  within the  power of  a centrally
      located manager.

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    - REMOTE OFFICE.   The  remote office  is a  specialized type  of  workgroup
      environment, one with all the connectivity needs of a workgroup located at
      the  corporate headquarters, but because  networking experts are scarce in
      the remote office, all products must have plug-and-play simplicity. 3Com's
      SuperStack system provides  hubbing, switching,  and routing  in a  single
      stackable  system that  meets the special  needs of the  remote office for
      simple, easy to maintain high-performance connectivity. 3Com's  innovative
      Boundary Routing-TM- software, running on the
      NETBuilder-Registered  Trademark-  Remote  Office  router  "slice"  of the
      SuperStack system, simplifies remote access  to the corporate network  and
      allows  managers  to  maximize  their  resources  and  reduce  expenses by
      consolidating complex operations at  headquarters. Further, the  Transcend
      network   management  applications  centralizes   the  network  management
      function as well.

    - PERSONAL OFFICE.   The  current trend  toward "virtual"  corporations  has
      resulted  in widely  dispersed teleworkers at  home and  in small offices.
      There are  also millions  of  business travelers  and nomadic  users  with
      computers  but no  fixed network connections.  3Com's AccessBuilder remote
      access servers give these  mobile users simplified  dial-up access to  the
      network.  Available for Ethernet and Token  Ring networks and in stackable
      or stand-alone versions,  AccessBuilder servers  offer higher  performance
      and  more  flexibility  than less  sophisticated  connection  devices, and
      includes a  superior  suite of  security  measures to  block  unauthorized
      access.

    3Com   offers  a  broad   range  of  connectivity   products  for  the  five
environments, which can be grouped into two major categories:

    NETWORK ADAPTERS:  Network adapters, also known as network interface  cards,
are  add-in  printed  circuit  boards  that  allow  personal  computers,  laptop
computers, workstations and personal digital assistance (PDAs) to connect to the
local area network. 3Com is the  world's largest supplier of Ethernet  adapters,
with more than 11 million adapters installed worldwide.

    In  fiscal 1993,  3Com began shipping  its family of  EtherLink III Parallel
Tasking-TM- adapters,  based  on  a  3Com-designed  custom  application-specific
integrated  circuit (ASIC). Parallel Tasking  is an innovative architecture that
speeds data transfers by  allowing separate tasks to  be performed in  parallel,
resulting  in  higher  overall  adapter efficiency  and  performance  than would
otherwise be possible.  3Com has  applied for  and received  patents on  certain
aspects of this technology. In fiscal 1994, 3Com introduced Ethernet PCMCIA ("PC
Card")  adapters for laptop and other  portable computers, further extending the
EtherLink III family. 3Com's EtherLink  III adapters include 16-bit ISA,  32-bit
EISA, MicroChannel and Combo adapters as well as the recently introduced PC Card
adapter.  All are designed around 3Com's  custom ASIC, which results in products
that are inherently  more reliable, easier  to install and  configure, and  less
expensive to manufacture.

    In  addition to Ethernet adapters, 3Com offers Token Ring and FDDI adapters.
Based on the IBM-designed TROPIC-TM-  chipset, 3Com's TokenLink III 16/4  family
of ISA, EISA and MicroChannel-Registered Trademark- adapters is designed to work
seamlessly   with  IBM   drivers  and   applications  while   offering  enhanced
installation and network management features. 3Com's FDDILink family of adapters
connects devices to the network  via copper wiring and  fiber at 100 Mbps.  When
combined   with  3Com's   FDDI  Concentrator  (hub),   FDDILink  adapters  offer
workstation and high-end PC users  a cost-effective solution for  high-bandwidth
applications. All 3Com adapters carry 3Com's standard limited lifetime warranty.

    NETWORK  SYSTEMS PRODUCTS:   3Com's  network systems  products include hubs,
internetworking bridge/routers,  LAN switches  and remote  access servers.  When
combined  within the HPSN  framework, they create  a network infrastructure that
delivers scalable, cost-effective  solutions for each  of the five  connectivity
environments.

        INTERNETWORKING  PRODUCTS:  3Com's  internetworking products include the
    high-performance NETBuilder  II  bridge/router for  collapsed  backbone  and
    wide-area network environments and

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    the   NETBuilder  Remote  Office  family   of  remote  and  access  routers.
    Additionally, the AccessBuilder remote  access server provides Ethernet  and
    Token  Ring dial-up connectivity for individual remote users. The NETBuilder
    Remote Office family  of bridge/routers  supports Ethernet,  Token Ring  and
    ISDN  network technologies and can be operated as either conventional stand-
    alone routers or  using 3Com's Boundary  Routing system. Additionally,  both
    the  NETBuilder  Remote Office  family and  the AccessBuilder  remote access
    server are available as part of the SuperStack network system.

        Shortly after the end of fiscal 1994, 3Com introduced the NETBuilder  II
    MultiProcessor  (MP) bridge/router, a  high-density, high-performance router
    using a RISC multiprocessor  design, which offers performance  improvements.
    The  MP modules  are backward compatible  with earlier NETBuilder  II 4- and
    8-slot  chassis   bridge/routers,   demonstrating   3Com's   commitment   to
    scalability  and value  through continued product  enhancements that protect
    customers' investments in networking hardware.

        LAN SWITCHES:   LAN  switches provide  cost-effective, high-speed  links
    between  multiple network segments, simplifying  network design and reducing
    network latency in client/server networks. 3Com  offers a full range of  LAN
    switches,   from  the   high  density   LANplex  6000   to  the  floor-based
    LinkSwitch-TM- Ethernet-to-FDDI  switch. The  LinkSwitch  can operate  as  a
    stand-alone  switch,  as a  module  for the  LinkBuilder  Multi-Services Hub
    ("MSH-TM-") chassis-based hub, or as part of the SuperStack network system.

        In July 1994,  3Com announced its  Intelligent Switching Engine  ("ISE")
    custom  ASIC. Essentially  a switch on  a chip,  ISE integrates field-proven
    hardware and software  functions from today's  LANplex products, which  3Com
    believes   will  dramatically  improve  performance  and  reliability  while
    reducing costs. 3Com  plans to incorporate  ISE into both  existing and  new
    switching products.

        HUBS:   3Com designs, manufactures and markets a full range of Ethernet,
    Token  Ring   and   FDDI  hubs   in   either  stackable   or   chassis-based
    configurations.  3Com's stackable  hubs, including  the LinkBuilder  FMS for
    Ethernet and  Token Ring  networks, provide  users a  highly reliable,  cost
    effective solution for networking workgroups and remote offices.

        In  fiscal  1994,  3Com  expanded its  hub  offerings  with  the 24-port
    LinkBuilder FMS  stackable hub,  the LinkBuilder  FDDI workgroup  hub and  a
    re-engineered 12-port LinkBuilder TP. In addition, 3Com enriched its chassis
    hub,   the   LinkBuilder   MSH,   with   Ethernet-to-FDDI   switching,  FDDI
    concentration and advanced Token Ring technology. The powerful backplane  of
    the  LinkBuilder  MSH supports  Ethernet, Token  Ring and  FDDI connectivity
    today and ATM connectivity in the future.

        NETWORK MANAGEMENT:   In September  1993, 3Com  introduced Transcend,  a
    family  of  network management  applications  that represents  a significant
    advance in  simplified  and  logical  management  of  local  and  wide  area
    networks. Using Transcend applications on the network management platform of
    their  choice, network administrators  are able to  create logical groups of
    hubs, routers, servers and desktop devices, regardless of physical location,
    to obtain correlated  management information  and control.  To keep  network
    administration   down,  Transcend  products   also  leverage  administrative
    resources by  consolidating repetitive  tasks,  such as  downloading  router
    software, into a single command.

    Other products include communication servers, which provide terminal-to-host
connectivity  for terminals and workstations over the network, protocol software
and worldwide service and support programs.

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    PRODUCT DEVELOPMENT

    3Com's product development efforts are focused exclusively on its  strategic
product   lines:  adapters   and  network   systems,  including  internetworking
platforms, switches,  hubs  and network  management.  3Com's ownership  of  core
networking  technologies  creates  opportunities  to  leverage  its  engineering
investments and develop  more integrated products  for simpler, more  innovative
networking   solutions  for  customers.   3Com  plans  to   invest  in  emerging
technologies for use in existing and future products, as well as to improve  and
enhance existing products to extend their lifecycles, reduce manufacturing costs
and  increase functionality. In  addition to the development  of custom ASICs to
improve performance, increase reliability  and reduce manufacturing costs,  3Com
is investing in the following areas:

    - 100 Mbps Ethernet

    - Wireless local area network communications

    - ATM capabilities

    - LAN switching

    - ISDN

    - Enhanced connectivity in IBM environments

    - Remote access for single and mobile users

    The  industry  in  which 3Com  competes  is subject  to  rapid technological
developments, evolving industry standards, changes in customer requirements  and
frequent new product introductions and enhancements. As a result, 3Com's success
in  part depends  upon its  ability, on  a cost-effective  and timely  basis, to
continue to  enhance its  existing products  and to  develop and  introduce  new
products  that  take  advantages  of technological  advances.  There  can  be no
assurance that 3Com will be able to successfully develop new products to address
new industry transmission standards and  technological changes or to respond  to
new  product announcements by  others or that such  products will achieve market
acceptance.

    MARKETS AND CUSTOMERS

    3Com's customers  are  represented  among the  world's  leading  industries,
including  finance,  health  care,  manufacturing,  government,  education,  and
service organizations. In  fiscal 1994, 3Com  began targeting specific  vertical
markets,  including health care,  education, finance and  government, through an
expanded major accounts sales force.

    Around the  world, 3Com  serves its  customers through  a variety  of  sales
channels  including  direct  and indirect  channels.  Indirect  channels include
systems integrators, value-added resellers,  distributors, national dealers  and
resellers,  and  original equipment  manufacturers (OEMs).  3Com's multi-channel
sales  strategy  encourages  broad  market  coverage,  by  allowing  3Com  sales
personnel  to  create  demand  for  3Com  products  while  giving  customers the
flexibility to choose the most appropriate delivery option.

    INTERNATIONAL OPERATIONS:    3Com  distinguishes itself  from  many  of  its
competitors  with its  dedicated research and  development, manufacturing, sales
and service  organizations  outside  the United  States.  3Com  maintains  sales
offices  in 22 countries, including new offices  opened in fiscal 1994 in Japan,
Brazil, Mexico,  South Africa  and China.  3Com primarily  markets its  products
internationally  through subsidiaries, sales offices and partnerships with local
distributors in Europe, Canada,  Asia/ Pacific and Latin  America. (See Note  14
relating  to geographic area information of  the Notes to Consolidated Financial
Statements.)

    CUSTOMER SERVICE:    Because  global  data  networking  infrastructures  are
becoming increasingly complex, customers require vendors to help them manage and
support  their  networks as  well  as design  and  build them.  Additionally, as
customers' networking purchases  transition from point  product to  connectivity
systems,  a more solutions-oriented approach to service and support is required.
3Com recognized these  trends early  and invested in  a comprehensive  worldwide
service and support organization.

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    Worldwide logistics include support and repair centers in the United States,
dedicated  service organizations in Europe and  Asia/Pacific Rim, parts stock at
more than 25 locations, and electronic bulletin boards throughout the world.  In
addition  to on-site  training, 3Com  also provides  computer-based courses that
allow customers to learn networking technologies at their own pace in their  own
environments.  During fiscal 1994, 3Com handled more than 300,000 direct support
calls and  more  than 125,000  calls  to the  automated  3ComFacts-TM-  fax-back
systems and CardBoard-Registered Trademark- electronic bulletin board.

    BACKLOG

    3Com  manufactures its products based upon its forecast of the demand of its
customers worldwide and maintains inventories of finished products in advance of
receipt of firm orders  from its customers. Orders  are generally placed by  the
customer  on an as-needed basis  and products are usually  shipped within one to
four weeks after receipt of an order.  Such orders generally may be canceled  or
rescheduled  by the customer without significant penalty. Accordingly, 3Com does
not maintain a substantial  backlog, and backlog as  of any particular date  may
not be indicative of 3Com's actual sales in any succeeding period.

    MANUFACTURING AND SUPPLIERS

    3Com's  primary  production activities  are  conducted at  its  Santa Clara,
California  and  Blanchardstown,  Ireland  facilities.  Purchasing,   mechanical
assembly,  burn-in, testing, final assembly, and quality assurance functions are
performed at both of these  facilities. 3Com also manufactures certain  products
and  subassemblies through subcontractors. Over the past several years, 3Com has
been investing  in automating  its  manufacturing capabilities,  decreasing  the
costs and increasing the quality of both manufacturing design and production. To
meet  increased demand for its global  data networking products, in fiscal 1994,
3Com added new  automated production lines  in both its  California and  Ireland
plants.

    3Com  is committed  to being  an environmentally  conscious manufacturer and
pioneered  implementation  of   a  chlorofluorocarbon  (CFC)-free   semi-aqueous
cleaning  process at its California plant  with DuPont and Corpane Corporations.
The same process is used at the Ireland facility and 3Com met its goal of  being
CFC-free by the end of calendar year 1993.

    Components   purchased  by  3Com  are   generally  available  from  multiple
suppliers. However, certain components may  be available from sole sources.  The
inability of 3Com to obtain certain components could require 3Com to redesign or
delay  shipments of several of its data  networking products. 3Com has sought to
establish close  relationships with  sole-source suppliers  and/or to  build  up
inventory of such components; however, there can be no assurance that production
will  not be interrupted due to  the unavailability of components. 3Com believes
that its inventory levels of these components, combined with finished components
held by 3Com's suppliers, are adequate for its presently forecasted needs.

    COMPETITION

    Data networking is an emerging field within the information systems industry
encompassing   both   on-premises    (e.g.,   desktop   connectivity    devices,
internetworking  platforms and  wiring hubs)  and off-premises  (e.g., wide-area
networking)  technologies.   3Com   participates   exclusively   in   designing,
manufacturing  and marketing on-premises equipment. 3Com's competitors typically
compete in one segment of the on-premises sector of the data networking  market.
These companies are using their resources and technical expertise to improve and
expand  their  product lines  in an  effort  to gain  market share.  Several are
extending their  product offerings  beyond a  single market  segment and  pursue
strategies  more closely resembling 3Com's  global data networking strategy. The
industry recently  has witnessed  a wave  of merger,  acquisition and  strategic
partnering  activity  as  many  of  these  companies  seek  to  provide  broader
networking solutions.

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<PAGE>
    NETWORK ADAPTERS:  The  market for network  adapters is highly  competitive,
with  companies offering products  that support a range  of Ethernet, Token Ring
and FDDI  media.  Principal competitors  in  the adapter  market  include  Intel
Corporation,  Standard  Microsystems Corporation,  IBM Corporation,  Madge N.V.,
Olicom A/S, and Xircom.

    NETWORK SYSTEMS  PRODUCTS:   Competition in  the network  systems  business,
formerly  characterized by niche-based competitors  focused on a single industry
segment, is shifting toward more broad-based suppliers offering multiple product
lines. This has been  achieved through mergers  and acquisitions, through  joint
marketing  agreements, and  through internally developed  products. For example,
Cisco Systems,  which  had  focused  exclusively on  routers,  is  now  offering
customers both routers and switches and has formed alliances with both Cabletron
Systems  and Chipcom Corporation,  two hub vendors.  SynOptics Communications, a
hub vendor, and Wellfleet  Communications, a router  vendor, recently merged  to
form Bay Networks, Inc. Additionally, Cisco Systems, Bay Networks, Inc., Chipcom
Corporation  and  others  have  completed  acquisitions  of  smaller  networking
companies in  an  effort to  strengthen  their  positions in  the  emerging  and
fast-growing  markets. This industry consolidation,  and the convergence of hub,
switching and routing  technologies on single  platforms, will likely  continue,
intensifying  competition among  a small group  of companies  with broad product
offerings.

    3Com believes  it  competes  favorably  in the  data  networking  market  by
providing   customers  with  a  full  breadth   of  products  based  on  leading
technologies, which when combined under the HPSN framework, address connectivity
needs for  each  of the  connectivity  environments and  provide  cost-effective
migration  paths to higher performance technologies. Additionally, 3Com products
typically enjoy a reputation for both high quality and reliability.

    PATENTS, LICENSES AND RELATED MATTERS

    3Com relies  on U.S.  and foreign  patents, copyright,  trademark and  trade
secrets  to  establish and  maintain proprietary  rights  in its  technology and
products. 3Com has an active program to file applications for and obtain patents
in the United States and in selected foreign countries where a potential  market
for  3Com's  products exists.  3Com's  general policy  has  been to  seek patent
protection for those inventions  and improvements likely  to be incorporated  in
its  products or  otherwise expected  to be  of value.  3Com has  been issued 26
utility patents and  one design  patent in  the U.S.,  and has  been issued  one
foreign  patent. Numerous other patent  applications are currently pending which
relate to 3Com's  research and  development, including U.S.  and foreign  patent
applications  related  to  3Com's LAN  Security  Architecture,  Boundary Routing
internetworking technology, and Parallel Tasking Ethernet adapter inventions.

    There can be no assurance that any of these patents would be upheld as valid
if litigated. While 3Com believes that its patents and applications have  value,
it  also  believes  that  its  competitive  position  depends  primarily  on the
innovative skills,  technological  expertise  and management  abilities  of  its
employees.

    3Com has been granted licenses by others, including a fully paid, perpetual,
non-exclusive  license  to a  patent held  by  Xerox covering  a portion  of the
Ethernet technology.

    3Com has registered 42 trademarks in the United States and has registered 15
trademarks in one  or more of  34 foreign countries.  Numerous applications  for
registration of domestic and foreign trademarks are currently pending.

    Many   of  3Com's  products  are  designed  to  include  software  or  other
intellectual property  licensed  from  third parties.  3Com  actively  seeks  to
license  software that promotes the compatibility  of its products with industry
standards, including standard protocols and architectures. The loss of rights in
software or other intellectual property licensed from a third party and designed
into a particular  product might disrupt  or delay 3Com's  distribution of  that
product.  While it  may be  necessary in  the future  to seek  or renew licenses
relating to various aspects of its products, 3Com believes that, based upon past
experience and  standard industry  practice, such  licenses generally  could  be
obtained on commercially reasonable terms.

                                       68
<PAGE>
    EMPLOYEES

    As  of February 28,  1995, 3Com had  2,768 full-time employees,  of whom 637
were employed in engineering, 995 in sales, marketing and customer service,  747
in  manufacturing,  and  389  in  finance  and  administration.  None  of 3Com's
employees is represented by a labor organization and 3Com considers its employee
relations to be excellent.

    PROPERTIES

    3Com's headquarters  facility  consists of  a  495,000 square  foot  office,
manufacturing  and research and  development campus in  Santa Clara, California.
The facility is leased from a limited partnership in which a subsidiary of  3Com
is  a partner. The lease expires in January 2000 with options to renew for up to
15 years. 3Com also has an option to purchase the facility.

    3Com leases  approximately  50,000 square  feet  of office  space  near  its
headquarters  site for  its Customer Services  Operations. The  lease expires in
August 1997. 3Com has two one-year options to renew the lease.

    3Com leases 30,000  square feet  of office,  manufacturing and  distribution
space  for  its Switching  Division (formerly  Synernetics) in  North Billerica,
Massachusetts. The lease expires in  March 1995 with an  option to renew for  an
additional   three  years.  3Com  also  leases  a  30,000  square  foot  office,
manufacturing and  distribution facility  in  Northboro, Massachusetts  for  its
Star-Tek  Division. The lease expires in March  1996 with an option to renew for
an additional three years.

    3Com  leases  several  facilities  in   England  including  a  47,000   foot
manufacturing   and  research  and   development  facility  in  Hemel-Hempstead,
Hertfordshire. The  lease expires  in  December 1996.  The Company  also  leases
13,000  square feet  of office space  in Bourne End,  Buckinghamshire. The lease
expires in December 1996. 3Com's European headquarters consists of 17,000 square
feet of office space in Marlow-on-Thames, Buckinghamshire. The lease expires  in
December 2013.

    In  July 1992, 3Com  Ireland, a wholly-owned  subsidiary of 3Com, completed,
occupied and  began  operations  in its  Blanchardstown,  Ireland  manufacturing
facility.  The 60,000 square foot facility, including approximately 9.5 acres of
land, is  owned  by  3Com Ireland  which  also  has an  option  to  purchase  an
additional 3.5 acres of land adjoining the facility.

    3Com  also leases  various sales and  service offices  throughout the United
States, Canada,  Europe,  Australia, Latin  America,  and Asia.  All  of  3Com's
facilities  are  well  maintained and  are  adequate to  conduct  3Com's current
business.

    In July 1994, the Company signed  a five-year lease for 225,000 square  feet
of  office and manufacturing space to be  built on land adjacent to its existing
headquarters in Santa Clara. 3Com estimates  that it will commence occupancy  of
portions of the facility in early fiscal 1996 but lease payments are required to
begin no later than April 1996.

3COM MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS

    RESULTS OF OPERATIONS

    SIX MONTHS ENDED NOVEMBER 30, 1994 AND NOVEMBER 30, 1993

    ACQUISITIONS.   During the six months ended November 30, 1994, 3Com enhanced
its HPSN solutions with  the strategic acquisition of  substantially all of  the
assets  of NiceCom,  Ltd. (see  Note 6 of  Notes to  3Com Condensed Consolidated
Financial Statements For the Six Months  Ended November 30, 1994), an  innovator
of  ATM  technology. 3Com  also acquired  a  company developing  network adapter
technology. The acquisitions were accounted  for as purchases and,  accordingly,
the acquired assets and liabilities were recorded at their estimated fair market
values  at the dates  of acquisition. The aggregate  purchase price consisted of
approximately $55.5  million  plus  $6.1  million of  costs  attributed  to  the
exchange  of the  acquired companies' stock  options for 3Com  stock options and
$2.0  million  of  costs  directly   attributable  to  the  completion  of   the
acquisitions.   Approximately  $60.8   million  of  the   total  purchase  price
represented in-process technology and was charged to 3Com's

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<PAGE>
operations during the quarter. 3Com's consolidated results of operations for the
six months period ended November 30, 1994 included the operating results of  the
acquired  companies from  the dates  of acquisition.  References to  3Com herein
refer to 3Com and its subsidiaries.

    RESULTS OF OPERATIONS.   3Com  achieved sales for  the first  six months  of
fiscal  1995 totaling $554.1 million, an increase  of $186.7 million or 51% from
the corresponding period a year ago.

    3Com believes that the  year-over-year increase in the  first six months  of
fiscal  1995 sales is due to  several factors, including general market strength
in the  data networking  market,  increases in  personal computer  sales,  rapid
growth  in sales outside the  U.S., the breadth of  3Com's product offerings and
its  ability  to  deliver  complete  data  networking  solutions  for  different
connectivity  environments. Sales from products introduced in the last 12 months
represented 35% of sales in the first six months of fiscal 1995, a decrease from
43% of sales in the corresponding period a year ago.

    Sales of network adapters in the first six months of fiscal 1995 represented
55% of total  sales and increased  42% from the  corresponding period in  fiscal
1994.  The increase  in network  adapter sales  represented an  increase in unit
volume partially  offset  by  continuation of  the  industry-wide  trend  toward
decreasing  average selling prices,  particularly in the  token ring market. The
increase   in   unit   volume   primarily    resulted   from   sales   of    the
EtherLink-Registered  Trademark-  III network  adapter,  but was  also favorably
impacted by the PCMCIA adapter introduced in fiscal 1995. With the  introduction
of the newest version of the EtherLink III in the second quarter of fiscal 1995,
3Com attained record sales of network adapters.

    Sales  of systems products  (internetworking, remote access  server, hub and
switching products) in the  first six months of  fiscal 1995 represented 41%  of
total  sales and  increased 73%  from the corresponding  period a  year ago. The
increase was led primarily by the LinkBuilder-Registered Trademark-FMS-TM- II, a
component of  3Com's  SuperStack-TM-  family of  network  system  products,  the
LANplex-Registered   Trademark-   family   of   switching   products,   and  the
high-performance NETBuilder-Registered Trademark-  Remote Office and  NETBuilder
II-Registered   Trademark-  bridge/router.  Similar  to  network  adapters,  the
increase in systems products sales represented an increase in unit volume  which
was  partially offset  by a  decrease in  average selling  prices. 3Com believes
there  is   an  industry-wide   trend  towards   demand  for   fully-functional,
fault-tolerant,  lower-priced  network systems  in a  stackable format.  3Com is
currently delivering many components of its SuperStack network system  including
stackable  hubs, remote office  routers, LAN switching  products and a redundant
power system.

    Sales of other products (terminal  servers, customer service, protocols  and
other  products) represented 4% of  the sales in the  first six months of fiscal
1995. Sales of other products increased 9% from the corresponding period a  year
ago,  although they  continued to  represent a  decreasing percentage  of 3Com's
total sales, as expected.

    Sales outside  the United  States provided  50% of  sales in  the first  six
months  of  fiscal  1995,  compared  to  48%  for  the  same  period  last year.
International sales  grew in  all  geographic regions,  especially in  the  Asia
Pacific  and Latin American regions. 3Com  believes that this increase reflected
3Com's continued expansion globally through the opening of new sales offices  in
Latin  America,  Asia and  Europe, and  the expansion  of worldwide  service and
support programs.

    Cost of sales as a percentage of sales was 46.9% for the first six months of
fiscal 1995, compared to 50.1% for the corresponding period a year ago. The  3.2
percentage  points improvement in gross margin from the year-ago period resulted
primarily from a  favorable shipment  mix towards  lower-cost and  higher-margin
products  and continued  improvement in  the efficiency  of 3Com's manufacturing
operations.

    Total operating expenses in the first six months of fiscal 1995 were  $245.0
million  compared to  $128.9 million  in the  first six  months of  fiscal 1994.
Excluding  the  one-time  charge  of  $60.8  million  for  purchased  in-process
technology  and the  non-recurring credit of  $1.1 million for  the reduction in
accrued restructuring costs, total operating expenses in the first six months of
fiscal 1995 would have been $185.3 million, or 33.4% of sales, compared to 35.1%
of sales a year ago. To date, 3Com has been

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<PAGE>
successful in its efforts to grow operating expenses at a rate slower than sales
growth. The increase in operating expenses  of $56.4 million, or 44%,  reflected
increased  selling costs related to higher  sales volume, the cost of developing
and promoting 3Com's products and growth in the number of employees in all parts
of 3Com,  especially  in  research and  development.  3Com's  average  headcount
increased 20% over the first six months of fiscal 1994.

    Nonoperating  income was favorably  impacted during the  first six months of
fiscal 1994, as 3Com realized  a gain of $17.7 million  from the sale of  3Com's
investment in Madge N.V.

    Other  expense (net) was $675,000  for the first six  months of fiscal 1995,
compared with expense of $812,000 for the  same period a year ago. The  interest
expense  associated with  the $110.0  million of  convertible subordinated notes
issued in  the second  quarter of  1995 is  expected to  increase other  expense
during the remainder of the fiscal year above historical levels.

    3Com's  effective income tax rate was 36%  in the first six months of fiscal
1995 and 33% in the corresponding period a year ago. The 33% income tax rate  in
the  prior year reflected the recognition of a net benefit of $1.2 million which
resulted from retroactive  changes to  the Revenue Reconciliation  Act of  1993.
Without this $1.2 million benefit, the effective income tax rate would have been
35%.

    Net  income for the  first six months  of fiscal 1995  was $31.1 million, or
$.44 per share, compared to net income of $47.6 million, or $.72 per share,  for
the  first  six  months  of  fiscal 1994.  Excluding  the  charge  for purchased
in-process technology and the non-recurring credit, 3Com would have realized net
income of $39.3 million  or $.95 per  share for the first  six months of  fiscal
1995.  Excluding the gain from the sale of  an investment and a $1.2 million tax
benefit, which resulted from retroactive  changes to the Revenue  Reconciliation
Act  of 1993, net income for the first six months of fiscal 1994 would have been
$34.8 million, or $.53 per share. Net income per share for the first six  months
of  fiscal 1994  has been  restated to  reflect the  two-for-one stock  split on
September 1, 1994 for shareholders of record on August 16, 1994.

    FISCAL YEARS MAY 31, 1994, 1993 AND 1992

    ACQUISITIONS.  During the fiscal year ended May 31, 1994, 3Com enhanced  its
HPSN  architecture  with two  strategic  acquisitions (see  Note  3 of  Notes to
Consolidated Financial Statements for Years Ended May 31, 1994, 1993 and  1992).
3Com  completed the acquisitions of  Synernetics, Inc. ("Synernetics"), a market
leader  in  LAN   switching  products,   on  January  14,   1994,  and   Centrum
Communications,  Inc. ("Centrum"),  an innovator  of remote  access products, on
March 3, 1994. Both acquisitions were accounted for as purchases. The  aggregate
purchase price consisted of $140.0 million plus $3.3 million of costs attributed
to  the exchange of  Synernetics options for  3Com options and  $13.1 million of
costs directly attributable to the completion of the acquisitions. Approximately
$132.1 million of the aggregate purchase price represented in-process technology
and was charged to 3Com's operations during the third fiscal quarter of 1994. In
December 1993,  3Com also  entered into  a technology  licensing agreement  with
Pacific Monolithics, Inc., a developer of wireless communications (see Note 4 of
Notes  to Consolidated Financial  Statements for Years Ended  May 31, 1994). The
cost of the license agreement was  $2.5 million, substantially all of which  was
charged  to  3Com's  operations during  the  third fiscal  quarter  as purchased
in-process technology. Fiscal  1994 results  included a  $134.5 million  pre-tax
charge  to operations for the combined effect of purchased in-process technology
related  to  the   acquisitions  and  the   license  agreement.  The   Company's
consolidated  results  of operations  for  the fiscal  year  ended May  31, 1994
include the operating  results of  Synernetics and Centrum  from the  respective
dates of acquisition.

    In  fiscal  1993,  3Com  acquired  Star-Tek,  Inc.  ("Star-Tek"),  a company
specializing in  Token Ring  technology (see  Note 3  of Notes  to  Consolidated
Financial  Statements for Years Ended May 31, 1994, 1993 and 1992), in a pooling
of interests transaction.

    RESULTS OF OPERATIONS.   Fiscal 1994 sales increased  34% to $827.0  million
from  $617.2 million in  fiscal 1993. This  followed a 46%  increase in sales in
fiscal 1993 from fiscal 1992 sales of $423.8 million.

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<PAGE>
    3Com believes that the increase in fiscal 1994 sales from fiscal years  1993
and  1992 reflects  the actions  3Com took  during the  past years  to establish
itself as  a leader  in  the emerging  global  data networking  environment.  In
addition  to  the acquisitions  of Synernetics  and Centrum  in fiscal  1994 and
Star-Tek in fiscal 1993,  significant actions taken  by 3Com included  acquiring
the  data networking products business of U.K.-based BICC Group, plc ("BICC") in
fiscal 1992, formulating 3Com's HPSN architecture to meet the demands of growing
networks and advanced  network applications,  and opening new  markets in  Latin
America,  Asia  and Europe.  Furthermore, general  market  strength in  the data
networking market, rapid growth in sales  outside the U.S., revenues from  sales
of  key  data networking  products such  as the  EtherLink III  Parallel Tasking
network adapter,  the  NETBuilder  II  bridge/router  and  the  LinkBuilder  FMS
stackable  hub, and 3Com's ability to deliver complete data networking solutions
for different  connectivity environments  also contributed  to increased  sales.
Revenue  from businesses acquired during the year did not account for a material
portion of the year-over-year  increase. Sales from  products introduced in  the
last 12 months represented 32% of sales in fiscal 1994, compared to 48% of total
sales  in fiscal 1993 as several high  volume products such as the EtherLink III
network adapter and LinkBuilder FMS stackable hub met their one-year anniversary
in the first half of fiscal 1994.

    Sales of network adapters in fiscal 1994 represented 57% of total sales  and
increased  31% from fiscal 1993 sales. Sales of network adapters in fiscal years
1993 and 1992 represented 58% and 57% of total sales, respectively. The increase
in network adapter sales represented an increase in unit volume partially offset
by continuation of  the industry-wide  trend toward  decreasing average  selling
prices  and a  shift in  demand towards  the lower-priced  EtherLink III network
adapter. The increase in  unit volume resulted from  sales of the EtherLink  III
and the TokenLink III network adapters.

    Sales  of systems products (internetworking,  hub and switching products) in
fiscal 1994 represented 37% of total  sales and increased 49% from fiscal  1993.
This  followed an 84% increase in system  sales in fiscal 1993 from fiscal 1992.
The increase  was  led primarily  by  the  LinkBuilder FMS  stackable  hub,  the
high-performance NETBuilder II bridge/router and the LANplex family of switching
products.  Similar to network  adapters, the increase  in systems products sales
represented an increase in unit volume which was partially offset by a  decrease
in average selling prices. During the year, the industry has experienced a trend
towards  demand for fully functional, lower  cost, lower price hubs and routers,
such as 3Com's family of LinkBuilder stackable hubs and NETBuilder remote office
products.

    Sales of  other products  (terminal  servers, customer  service,  protocols,
operating  systems, file  servers and other  products) represented  6% of fiscal
1994 sales and continued to decrease from levels in fiscal 1993 and fiscal 1992.

    Sales outside of the  United States comprised 52%  of total sales in  fiscal
1994  compared to  50% in  fiscal 1993  and 47%  in fiscal  1992. The  growth of
international sales  was particularly  strong in  Europe and  the Latin  America
region  in fiscal 1994.  3Com believes that the  increase in international sales
reflected the same factors that affect 3Com as a whole, including the results of
3Com's continued expansion  globally, continued  increases in  revenue from  the
data  networking products acquired from U.K.-based BICC, the worldwide expansion
of service and support programs, and the opening of new sales offices.

    Cost of sales as a percentage of sales was 49.1% in fiscal 1994, compared to
51.9% in  fiscal  1993  and 52.9%  in  fiscal  1992. The  2.8  percentage  point
improvement  in gross  margin in  fiscal 1994  primarily resulted  from improved
efficiency of manufacturing  operations, a  favorable shipment  mix with  higher
volume  shipments  of the  lower-cost  and higher-margin  EtherLink  III network
adapter, lower freight and duties which resulted from an increase in the  volume
of products manufactured in the Ireland plant, and reduction in product material
costs.  The 1.0 percentage point improvement in gross margin in fiscal 1993 from
fiscal   1992   was   due   primarily   to   a   favorable   shipment   mix   of

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<PAGE>
EtherLink  III network adapters, as well  as LinkBuilder FMS and LinkBuilder ECS
hub products. The trend noted above  towards demand for lower cost, lower  price
systems   products   allows   3Com  to   further   leverage   its  manufacturing
infrastructure.

    Total operating  expenses in  fiscal 1994  were $418.1  million compared  to
$235.9  million  in fiscal  1993 and  $187.8 million  in fiscal  1992. Excluding
non-recurring charges, operating  expenses increased $49.1  million or 21%  from
fiscal 1993 to fiscal 1994, but decreased as a percentage of sales from 38.0% of
sales in fiscal 1993 to 34.3% of sales in fiscal 1994. The increase in operating
expenses  from  fiscal 1993  reflected increased  selling costs  associated with
higher sales,  the cost  of developing  and promoting  3Com's systems  products,
increased  cooperative  advertising  expenses,  and  growth  in  the  number  of
employees to support  the higher  volume of business.  Research and  development
expenses  as a percentage of sales in fiscal 1994 decreased from fiscal 1993 and
1992, but  increased in  absolute dollars.  The increase  in spending  reflected
3Com's  continued commitment to  develop and introduce  high quality, innovative
products. Operating expenses increased $57.1 million or 32% from fiscal 1992  to
fiscal 1993, excluding non-recurring charges. The increase in operating expenses
reflected  the cost of developing and promoting  new products, and growth in the
number of employees and spending due  to the acquisition of the data  networking
products business of BICC in January 1992.

                         SUMMARY OF OPERATING EXPENSES

<TABLE>
<CAPTION>
                                                            PERCENT                PERCENT                PERCENT
                                                              OF                     OF                     OF
                                               FISCAL 1994   SALES    FISCAL 1993   SALES    FISCAL 1992   SALES
                                               -----------  -------   -----------  -------   -----------  -------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                            <C>          <C>       <C>          <C>       <C>          <C>
Sales and marketing..........................  $   171,799    20.8%   $   137,021    22.2%   $    97,997    23.1%
Research and development.....................       76,467     9.2         64,346    10.4         48,220    11.4
General and administrative...................       35,379     4.3         33,176     5.4         31,190     7.4
Non-recurring charges:
Purchased in-process technology..............      134,481    16.3        --         --           10,404     2.4
Non-recurring items..........................      --         --            1,316     0.2        --         --
                                               -----------  -------   -----------  -------   -----------  -------
Total operating expenses.....................      418,126    50.6        235,859    38.2        187,811    44.3
                                               -----------  -------   -----------  -------   -----------  -------
Total operating expenses excluding
 non-recurring charges.......................  $   283,645    34.3%   $   234,543    38.0%   $   177,407    41.9%
                                               -----------  -------   -----------  -------   -----------  -------
                                               -----------  -------   -----------  -------   -----------  -------
</TABLE>

    In  the third quarter of fiscal 1994, 3Com recorded a $134.5 million pre-tax
charge to operations for the combined effect of purchased in-process  technology
related  to  the  acquisitions of  Synernetics  and Centrum  and  the technology
license agreement with Pacific Monolithics, Inc. Fiscal 1993 results included  a
non-recurring  charge  of $1.3  million which  consisted  of the  net cost  of a
litigation settlement of $3.6 million, merger  costs of $1.0 million related  to
the  acquisition of  Star-Tek, offset  by a  reduction in  accrued restructuring
costs of $3.3 million  based on revised estimates  of future costs. Fiscal  1992
results  included a  $10.4 million  pre-tax charge  to operations  for purchased
in-process technology related to the acquisition of the data networking products
business of BICC.

    Other expenses (net)  were $1.2  million in  fiscal 1994,  compared to  $0.7
million  in fiscal 1993 and  $0.3 million in fiscal  1992. The increase in other
expenses (net) in fiscal 1994 from fiscal 1993 resulted primarily from a  higher
provision  for  doubtful accounts  partially  offset by  more  favorable foreign
exchange results  and higher  interest income.  The increase  in other  expenses
(net)  in fiscal  1993 from fiscal  1992 resulted primarily  from lower interest
income and higher foreign exchange costs, partially offset by a lower  provision
for doubtful accounts.

    3Com provided $48.2 million for income taxes in fiscal 1994 on income before
income  taxes of  $19.5 million because  a significant portion  of the purchased
in-process technology charge was not tax deductible. Excluding the effect of the
purchased   in-process    technology   charge,    the   effective    tax    rate

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<PAGE>
would  have been 35.0%. 3Com's  effective tax rate in  fiscal 1993 was 36.0%, as
compared to 43.0% in fiscal 1992. In  fiscal 1992, as in fiscal 1994, a  portion
of  the purchased  in-process technology  charge was  not tax  deductible, which
increased the effective tax rate.

    Net loss for fiscal 1994 was $28.7 million, or $0.46 per share, compared  to
net  income for fiscal 1993  of $38.6 million, or $0.60  per share. Net loss for
fiscal 1994 included the aforementioned $134.5 million pre-tax charge associated
with purchased in-process technology, a $17.7 million pre-tax gain from the sale
of 3Com's  investment in  Madge  N.V. and  a $1.2  million  tax benefit  due  to
retroactive  changes and the effect of changes in federal statutory rates of the
Revenue Reconciliation Act of 1993. Excluding these one-time charges and  gains,
3Com  would have  realized net income  of $86.9  million, or $1.27  per share in
fiscal 1994. Excluding the  effect of non-recurring items  in fiscal 1993,  3Com
would  have realized net income of $39.8 million, or $0.62 per share. Net income
for fiscal 1992 was $8.0  million, or $0.13 per  share. Excluding the effect  of
the  purchased  in-process technology  charge in  fiscal  1992, 3Com  would have
realized net income of $17.1 million, or $0.28 per share.

    LIQUIDITY AND CAPITAL RESOURCES

    Cash, cash equivalents and temporary  cash investments at November 30,  1994
were  $238.8 million,  increasing $109.1 million  from May 31,  1994. During the
quarter ended November 30,  1994, 3Com received net  proceeds of $106.9  million
from  the  issuance of  convertible subordinated  notes and  spent approximately
$48.7 million in net  cash for acquisitions  (see Note 6  of Notes to  Condensed
Consolidated  Financial Statements  For Six Months  Ended November  30, 1994 and
1993).

    For the  six  months  ended  November 30,  1994,  net  cash  generated  from
operating  activities  was  $82.1  million. Net  cash  generated  from operating
activities was  offset  by  the  final  payment  of  $14.3  million  to  Centrum
shareholders  in the first quarter of fiscal 1995 for the acquisition of Centrum
Communications in February  1994. Inventory levels  increased $2.3 million  from
the  prior fiscal year end, with inventory  turnover improving from 6.5 turns at
May 31, 1994 to 8.6  turns at November 30,  1994. Trade receivables at  November
30,  1994 increased $38.6 million from May 31, 1994 due primarily to an increase
in sales. Days sales outstanding  in receivables was 46 days  at the end of  the
second  quarter, compared to 44  days at May 31,  1994. Other non-current assets
increased primarily due to  an increase in non-current  deferred taxes of  $20.1
million  associated  with  the acquisition  of  NiceCom and  related  charge for
purchased in-process technology.

    For the  six months  ended November  30, 1994,  3Com made  $28.2 million  in
capital expenditures. Major capital expenditures included upgrades and additions
to manufacturing product lines, facility relocations, development of a worldwide
accounting and information system, and upgrades of desktop systems.

    During  the six  months ended  November 30,  1994, 3Com  repurchased 725,000
shares of common stock with a cash  outlay of $16.9 million. As of November  30,
1994,  3Com was  authorized by  its Board  of Directors  to repurchase  up to an
additional 2.8 million shares of its common stock in the open market.

    During the first quarter of fiscal  1995, 3Com signed a five-year lease  for
225,000  square  feet of  office and  manufacturing  space to  be built  on land
adjacent to its existing  headquarters in Santa  Clara. Under such  arrangement,
3Com has committed to fund up to a maximum of $33.5 million for the construction
of  the buildings. 3Com is  obligated to purchase the  property or cause a third
party to purchase the  property at a  future date. 3Com  estimates that it  will
commence  occupancy  of portions  of  the facility  in  early fiscal  1996, with
payments on the lease to start no later than April 1996.

    3Com  believes  that  its  existing  cash  balances,  cash  generated   from
operations  and the available  revolving credit agreement  will be sufficient to
satisfy operating cash requirements through calendar 1995.

                                       74
<PAGE>
MANAGEMENT

    The directors and executive officers of  3Com and their ages as of  February
28, 1995 are as follows:

<TABLE>
<CAPTION>
            NAME                   AGE                               POSITION
-----------------------------      ---      -----------------------------------------------------------
<S>                            <C>          <C>
Eric A. Benhamou                       39   Chairman, President and Chief Executive Officer
Debra J. Engel                         42   Vice President, Corporate Services
Robert J. Finocchio, Jr.               43   Executive Vice President, Network Systems Operations
Ralph B. Godfrey                       54   Vice President, Channel Sales -- North America
John H. Hart                           49   Vice President and Chief Technical Officer
Richard W. Joyce                       39   Vice President, Sales Europe and Asia/Pacific Rim
Alan J. Kessler                        37   Vice President, Systems Sales -- North America
Christopher B. Paisley                 42   Vice President, Finance and Chief Financial Officer
Janice M. Roberts                      39   Vice President, Marketing, General Manager, Personal Office
                                             Division
Douglas C. Spreng                      51   Vice President and General Manager, Network Adapter
                                             Division
James L. Barksdale                     52   Director
Gordon A. Campbell                     50   Director
Jean-Louis Gassee                      50   Director
Jack L. Hancock                        64   Director
Stephen C. Johnson                     52   Director
Philip C. Kantz                        51   Director
William F. Zuendt                      48   Director
</TABLE>

    Eric A. Benhamou has been 3Com's President and Chief Executive Officer since
April 1990 and September 1990, respectively. Mr. Benhamou became Chairman of the
Board  of Directors of  3Com in July  1994. Mr. Benhamou  served as 3Com's Chief
Operating Officer  from April  1990 through  September 1990.  From October  1987
through  April  1990, Mr.  Benhamou  held various  general  management positions
within 3Com. Prior  to that,  Mr. Benhamou  was one  of the  founders of  Bridge
Communications, Inc., in September 1981, and held various executive positions in
that  company in the field of engineering and product development, most recently
as Vice  President  of Engineering,  until  that  company merged  with  3Com  in
September 1987. Mr. Benhamou serves as a Director of Cypress Semiconductor, Inc.
Mr.  Benhamou is also a member of the  Board of Directors of Smart Valley, Inc.,
and serves as a member of the Board of Trustees of the Leavy School of Business,
Santa Clara University.

    Debra J. Engel has been Vice President, Corporate Services since March 1990.
From the time Ms. Engel joined 3Com  in November 1983 until March 1990, she  was
Vice  President, Human  Resources. Prior to  that, she  was with Hewlett-Packard
Company for  seven  years,  most  recently  as  Corporate  Staffing  Manager  at
Hewlett-Packard's Corporate Headquarters.

    Robert  J. Finocchio, Jr. has been Executive Vice President, Network Systems
Operations since June 1993.  From January 1990 through  May 1993, Mr.  Finocchio
served  as Executive Vice President, Field Operations. Mr. Finocchio joined 3Com
in December 1988 as Vice President of Sales, Marketing and Services, a  position
he  held through  January 1990.  Prior to joining  3Com, Mr.  Finocchio was with
Rolm, Inc. for nine  years, where he held  various executive positions in  sales
and service. Most recently he was Vice President of Rolm Systems Marketing.

    Ralph  B. Godfrey has been Vice President, Channel Sales-North America since
June 1993. Mr. Godfrey joined 3Com in June 1990 as Vice President of 3Com USA, a
position he held through

                                       75
<PAGE>
May 1993. Prior  to joining  3Com, Mr.  Godfrey was  with Unisys,  Inc. for  two
years,  where he  held several  executive positions  in sales,  most recently as
President of the Value-Added  Marketing Division. Prior  to Unisys, Mr.  Godfrey
was  with Hewlett-Packard Company for 20 years where he held several field sales
management positions, the  most recent  as National Sales  Manager for  Business
Systems.

    John  H.  Hart has  been Vice  President and  Chief Technical  Officer since
joining 3Com  in September  1990. Prior  to joining  3Com, Mr.  Hart worked  for
Vitalink  Communications  Corporation for  seven  years, where  he  held various
executive positions in  product engineering  and development.  Mr. Hart's  final
position with Vitalink was Vice President of Network Products.

    Richard  W. Joyce has been Vice President, Sales Europe and Asia/Pacific Rim
(APR) since  June  1993.  Since January  1990,  Mr.  Joyce has  also  served  as
President,  3Com Europe Limited. Mr. Joyce joined 3Com in November 1987 as Sales
Manager of 3Com  (UK) Limited,  a position he  held until  September 1988.  From
September 1988 until January 1990, Mr. Joyce served as Managing Director of 3Com
(UK)  Limited. Most recently prior to joining  3Com, Mr. Joyce held the position
of Managing Director Europe for State Street Trade Development Corporation  from
1985  through 1987.  Prior to this,  Mr. Joyce held  several different positions
with a variety of data networking and communications companies.

    Alan J. Kessler has been  Vice President, Systems Sales-North America  since
June  1993. From May 1991 through May 1993, Mr. Kessler served as Vice President
and General Manager, Network Systems Division.  From April 1990 until May  1991,
Mr.  Kessler served as  Vice President and  General Manager, Distributed Systems
Division. Previously, he served as Product Marketing Manager of the  Distributed
Systems  Division  from November  1988 through  April 1990  and as  Product Line
Manager from October 1985 through November 1988.

    Christopher B.  Paisley has  served as  3Com's Vice  President, Finance  and
Chief Financial Officer since September 1985. Prior to joining 3Com, Mr. Paisley
was  Vice President, Finance of Ridge Computers from May 1982 to September 1985.
Previously, Mr. Paisley was employed  by Hewlett-Packard Company for five  years
in a variety of accounting and finance positions.

    Janice  M. Roberts  has been Vice  President, Marketing since  June 1992 and
General Manager, Personal  Office Division  since February  1994. From  February
1992  until June 1992, Ms. Roberts was Vice President and General Manager of the
Premises Distribution Division. During the period January 1989 to February 1992,
Ms. Roberts served  as Director of  BICC Technologies Limited  and President  of
BICC  Technologies, Inc. and BICC Communications, Inc. She was also Chairman and
Managing Director  of BICC  Data Networks  Limited. From  December 1986  through
January  1989, Ms. Roberts was Manager of  Sales and Marketing of STC Components
Ltd. located in Harlowe, United Kingdom.

    Douglas C. Spreng  has been  Vice President  and General  Manager of  3Com's
Network Adapter Division since March 1992. Prior to joining 3Com, Mr. Spreng was
President and Chief Operations Officer of Domestic Automation Company, a private
communications   system  start-up  company  based  in  San  Carlos,  California.
Previously, Mr. Spreng  spent 23 years  with Hewlett-Packard Company  (HP) in  a
variety  of  key  marketing,  manufacturing  and  general  management positions,
including General Manager  of HP's  Commercial Systems Group.  Most recently  he
served as General Manager of HP's Manufacturing Applications Group.

    Mr. Barksdale has served on the Board of Directors since 1987. Mr. Barksdale
has  been employed as  President and CEO  of Netscape Communications Corporation
since January  1995. Previously,  Mr.  Barksdale had  been President  and  Chief
Executive  Officer  of AT&T  Wireless Services  since  September 1994.  Prior to
September 1994,  Mr. Barksdale  had been  employed as  the President  and  Chief
Operating  officer of McCaw Cellular Communications, Inc. since January 1992 and
by Federal Express Corporation since 1979. Mr. Barksdale served as a director of
Bridge Communications, Inc.

                                       76
<PAGE>
from April 1986  until that company  combined with 3Com  in 1987. Mr.  Barksdale
also  serves as  a director of  McCaw Cellular Communications,  Inc., The Promus
Companies, Inc., and LIN Broadcasting Corporation.

    Mr. Campbell has  served on  the Board  of Directors  since 1990.  He was  a
founder  and since  1993 has  been President  of Techfarm,  Inc., a  new company
formed to launch technology based start-up companies. Mr. Campbell was a founder
of  Chips  and  Technologies,  Inc.  ("Chips"),  a  company  that  designs   and
distributes  very large scale  integrated circuit products, and  has served as a
director of Chips  since December 1984  and as  Chairman of the  Board of  Chips
since  1993.  Mr. Campbell  also  served as  the  President and  Chief Executive
Officer of Chips from January 1985 to July 1993. Mr. Campbell was also a founder
of Seeq Technology, Inc., and, from January  1981 to October 1984, he served  as
that  company's President and Chief Executive  Officer. Mr. Campbell also serves
as a director of Bell Microproducts, Inc., Reply Corporation and as Chairman  of
the Board of Exponential Technology, Inc. and Summit Systems.

    Mr.  Gassee  has served  on the  Board of  Directors since  1993. He  is the
Chairman of the Board and Chief Executive Officer of Be Incorporated, a personal
computing technology  company in  the  development stage,  which he  founded  in
October  1990. Previously, Mr.  Gassee was associated  with Apple Computer, Inc.
("Apple") for  10 years.  He served  as  the president  of Apple  Products,  the
research  and development and manufacturing division  of Apple, from August 1988
to February 1990.  From June 1987  to August 1988,  and from June  1985 to  June
1987,  Mr.  Gassee served,  respectively, as  Apple's  Senior Vice  President of
research and development and Vice  President of Product Development. Mr.  Gassee
founded  and  was  general manager  of  Apple's French  sales  subsidiary, Apple
Computer France SARL, from February 1981  to June 1985. Prior to joining  Apple,
Mr.  Gassee was President and General Manager  of the French subsidiary of Exxon
Corp., held  several management  positions with  Data General  Corporation,  and
spent  six  years at  Hewlett-Packard Company.  Mr. Gassee  is currently  also a
member of the board of directors of Cray Computers and Electronics For  Imaging,
Inc.

    Mr.  Hancock has served on the Board  of Directors since 1993. He retired as
Executive Vice President of the Product and Technology Support Group of  Pacific
Bell  in August  1993, after  serving in  that capacity  since August  1990. Mr.
Hancock joined Pacific Bell  in 1988 as Vice  President for Systems  Technology.
Prior  to  that,  he  was  Executive  Vice  President  for  Information Systems,
Strategic Planning and Human Resources at Wells Fargo Bank. Before that, he  was
Senior Vice President for Management Information Systems at Chemical Bank, where
he  began work in 1978 after retiring from  the United States Army with the rank
of Major General. Mr.  Hancock also serves as  a director of Pyramid  Technology
Corporation, Union Bank and Whittaker Corporation.

    Mr.  Johnson has served  on the Board  of Directors since  1989. He has been
President and Chief Executive Officer of Komag, Incorporated, a manufacturer  of
Winchester disk media, since 1983. Mr. Johnson served as a director of 3Com from
June  1982 to September 1987; he stepped  down from the Board when 3Com combined
with Bridge Communications, Inc. and returned to the Board in 1989. Mr.  Johnson
also serves as a director of Komag, Incorporated and Uniphase Corporation.

    Mr.  Kantz has served  on the Board  of Directors since  1992. From February
1994 to January  1995, he  served as President,  Chief Executive  Officer and  a
director  of Transcisco Industries,  Inc., an industrial  services company. From
October 1992 through  September 1993, Mr.  Kantz served as  President and  Chief
Executive Officer of Genetrix, Inc., a biotechnology services company. Mr. Kantz
was  President  and Chief  Executive  Officer of  Itel  Containers International
Corporation from  1988 through  1991.  Previously, Mr.  Kantz was  President  of
Transportation  and Industrial Funding Corporation and Senior Vice President and
General Manager of GE Capital from 1986  to 1988. In 1988, Mr. Kantz  instigated
the  start up  of an integrated  waste management  corporation, Mine Reclamation
Corporation, and  currently  serves  as  Chairman of  that  company's  board  of
directors.  Mr. Kantz  also serves  as a director  of Blue  Cross of California,
Genetrix, Inc. and Trans Ocean Ltd.

                                       77
<PAGE>
    Mr. Zuendt has served on the Board of Directors since 1988. He is  President
of  Wells Fargo & Company,  a bank holding company.  He has been responsible for
Wells Fargo Bank's  California branch system,  credit card products,  electronic
banking,  and  consumer  systems and  operations  since 1980,  its  real estate,
commercial and  corporate  lending since  1991,  and its  trust  and  investment
activities  since 1993.  He joined  Wells Fargo  in 1973.  Mr. Zuendt  is also a
director of MasterCard International and a trustee of Golden Gate University.

    During the  fiscal  year  ended May  31,  1994,  the Board  held  seven  (7)
meetings.  No director listed above who served  on the Board in fiscal year 1994
attended fewer than 75% of the meetings of the Board and the Committees on which
he served. The  Board does not  have a standing  Nominating Committee, but  does
have an Audit Committee and a Compensation Committee.

    During  the fiscal year ended May 31,  1994, 3Com's Audit Committee met five
(5) times. Its
current members  are  Stephen  C.  Johnson and  William  F.  Zuendt.  The  Audit
Committee  makes  recommendations to  the Board  regarding engagement  of 3Com's
independent public accountants, approves services rendered by such  accountants,
reviews  the activities and recommendations of 3Com's internal audit department,
and reviews  and evaluates  3Com's accounting  systems, financial  controls  and
financial personnel.

    During  the fiscal year  ended May 31, 1994,  the Compensation Committee met
four (4) times. Its current members are Gordon A. Campbell, Jack L. Hancock  and
Philip  C.  Kantz.  Eric A.  Benhamou  serves as  an  ex officio  member  of the
Compensation Committee.  The Compensation  Committee review  salaries and  other
administration  of 3Com's stock option and stock purchase plans, and advises the
Board on general aspects of 3Com's compensation and benefit policies.

STOCK OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.

    The following table sets forth certain information, as of February 28, 1995,
with respect  to the  beneficial ownership  of  3Com Common  Stock by  (i)  each
director  and director-nominee of 3Com, (ii) the Chief Executive Officer and the
four other most highly compensated executive officers of 3Com as of May 31, 1994
whose salary and bonus for  the year ended May  31, 1994 exceeded $100,000,  and
(iii) all executive officers and directors of 3Com as a group.

<TABLE>
<CAPTION>
                                                          PERCENT
                                                             OF
                                  AMOUNT AND NATURE OF     COMMON
                                  BENEFICIAL OWNERSHIP     STOCK       PERCENT AFTER
NAME                                      (1)             OUTSTANDING      MERGER
------------------------------  ------------------------  --------   -----------------
<S>                             <C>                       <C>        <C>
James L. Barksdale                             60,000        *               *
Gordon A. Campbell                             32,000      *               *
Jean-Louis Gassee                              30,000      *               *
Jack L. Hancock                                42,200      *               *
Stephen C. Johnson                            132,000      *               *
Philip C. Kantz                                67,002      *               *
William F. Zuendt                             166,000      *               *
Eric A. Benhamou                              628,190      *               *
Robert J. Finocchio, Jr.                      170,611      *               *
Ralph B. Godfrey                               59,400      *               *
Douglas C. Spreng                             105,475      *               *
Richard W. Joyce                               32,682      *               *
All directors and executive
 officers as a group (17
 persons)                                   1,925,731      2.9    %             2.7   %
<FN>
------------------------
 *   Less than 1%.
</TABLE>

                                       78
<PAGE>
<TABLE>
<S>  <C>
(1)  Except  as  indicated in  the  footnotes to  this  table, to  the Company's
     knowledge, the persons or entities named in the table have sole voting  and
     investment  power  with respect  to  all shares  of  Common Stock  shown as
     beneficially owned  by  them,  subject to  community  property  laws  where
     applicable.

     Includes   shares  of  3Com  Common  Stock  issuable  pursuant  to  options
     exercisable within  60 days  of  February 28,  1995, including  options  to
     acquire  60,000 shares of 3Com Common  Stock held by Mr. Barksdale, options
     to acquire 32,000 shares  held by Mr. Campbell,  options to acquire  30,000
     shares  held by Mr.  Gassee, options to  acquire 42,000 shares  held by Mr.
     Hancock, options to acquire 92,000 shares  held by Mr. Johnson, options  to
     acquire  57,474 shares held by Mr. Kantz, options to acquire 102,000 shares
     held by Mr. Zuendt, options to acquire 418,377 shares held by Mr. Benhamou,
     options to acquire 140,441 shares held by Mr. Finocchio, options to acquire
     48,118 shares held by Mr. Godfrey, options to acquire 99,583 shares held by
     Mr. Spreng, options to acquire 32,188 shares held by Mr. Joyce, and options
     to acquire  346,273 shares  of  3Com Common  Stock  held by  directors  and
     executive officers of 3Com as a group.
</TABLE>

    The following table sets forth certain information, as of December 31, 1994,
with  respect to the  beneficial ownership of  3Com Common Stock  by all persons
known by 3Com to  be the beneficial  owners of more than  5% of the  outstanding
3Com Common Stock.

<TABLE>
<CAPTION>
                                                                   AMOUNT AND NATURE OF                        PERCENT
                                                                        BENEFICIAL        PERCENT OF COMMON     AFTER
NAME                                                                  OWNERSHIP (1)       STOCK OUTSTANDING    MERGER
----------------------------------------------------------------  ----------------------  -----------------  -----------
<S>                                                               <C>                     <C>                <C>
FMR Corporation ................................................          9,438,540               14.1%
 82 Devonshire Street
 Boston, MA 02109
Investors Research Corporation .................................          6,600,000                9.9%
 450 Main Street
 Kansas City, MO 64111
<FN>
------------------------
(1)  To  3Com's knowledge, the entities named in  the table have sole voting and
     investment power with respect to all  shares of 3Com Common Stock shown  as
     beneficially owned by them.

     This  information is based upon  a review of 13G  filings made with the SEC
     during 1994.
</TABLE>

                                       79
<PAGE>
EXECUTIVE COMPENSATION AND OTHER MATTERS

    EXECUTIVE COMPENSATION

    The  following table sets  forth information concerning  the compensation of
the Chief Executive Officer of 3Com  and the four other most highly  compensated
executive  officers of 3Com as of May 31,  1994 whose total salary and bonus for
the fiscal year ended May 31, 1994 exceeded $100,000:

                           SUMMARY COMPENSATION TABLE

<TABLE>
<CAPTION>
                                                                          LONG TERM
                                                                        COMPENSATION
                                                                        -------------
                                                                           AWARDS
                                                                        -------------
                                                 ANNUAL COMPENSATION     SECURITIES
                                      FISCAL    ----------------------   UNDERLYING        ALL OTHER
    NAME AND PRINCIPAL POSITION        YEAR       SALARY     BONUS (1)     OPTIONS     COMPENSATION (2)
-----------------------------------  ---------  -----------  ---------  -------------  -----------------
<S>                                  <C>        <C>          <C>        <C>            <C>
Eric A. Benhamou                          1994  $   451,629  $  25,372       200,000             572
President and Chief                       1993  $   375,000  $  22,966       220,060             447
Executive Officer                         1992      375,000      4,431       160,270             429
Robert J. Finocchio, Jr.                  1994      318,499     18,599       120,000             629
Executive Vice President                  1993      300,000     18,373       139,920             519
Network Systems Operations                1992      300,000      4,431       101,740             510
Ralph B. Godfrey                          1994      324,404     --            18,000             302
Vice President Channel Sales,             1993      278,270     --            31,260             750
North America (3)                         1992      274,428     --            30,370             790
Douglas C. Spreng                         1994      272,664     15,890       120,000           1,068
Vice President and General                1993      225,457     13,780        20,000             615
Manager Network Adapter                   1992       56,250         18       220,000             229
Division
Richard W. Joyce                          1994      276,824     --            44,400          --
Vice President, Europe and                1993      233,584     --            47,660          --
Asia/Pacific Rim and                      1992      277,393     --            34,370          --
President of 3Com Europe (4)
<FN>
------------------------
(1)  Entire amount  is for  payments made  under 3Com-wide  profit-sharing  plan
     known  as 3SHARE. Under that plan, 3Com distributed approximately 6% of its
     income before  taxes,  after adjustment,  at  six month  intervals  to  all
     employees  worldwide (other than those who are paid commissions), including
     executive officers, with the individual payments determined pro rata  based
     on  salary level. Unusual or non-operations related income or expenses were
     excluded in determining income before taxes for purposes of 3SHARE.

(2)  Represents life insurance premiums.

(3)  Mr. Godfrey's salary for 1992, 1993 and 1994 include commission payments in
     the amount of $99,428, $103,270 and $148,864, respectively.

(4)  Mr. Joyce's salary for 1992, 1993  and 1994 include commission payments  in
     the  amount of $34,526, $34,046  and $72,610, respectively. Compensation is
     paid to  Mr. Joyce  in  pounds sterling.  Amounts  shown here  reflect  the
     foreign exchange rate in effect at the end of the respective fiscal year.
</TABLE>

                                       80
<PAGE>
    The  following table  provides information  concerning grants  of options to
purchase 3Com's Common Stock made during the  fiscal year ended May 31, 1994  to
the persons named in the Summary Compensation Table.

                       OPTION GRANTS IN FISCAL YEAR 1994

<TABLE>
<CAPTION>
                                                                              POTENTIAL REALIZABLE VALUE AT
                         NUMBER OF    % OF TOTAL                                 ASSUMED ANNUAL RATES OF
                        SECURITIES      OPTIONS                               STOCK PRICE APPRECIATION FOR
                        UNDERLYING      GRANTED      EXERCISE                        OPTION TERM (3)
                          OPTIONS    EMPLOYEES IN    PRICE PER   EXPIRATION   -----------------------------
NAME                    GRANTED (1)   FISCAL 1994    SHARE (2)      DATE           5%             10%
----------------------  -----------  -------------  -----------  -----------  -------------  --------------
<S>                     <C>          <C>            <C>          <C>          <C>            <C>
Eric A. Benhamou           200,000         5.04%     $  12.938     06-01-03   $   1,627,265  $    4,123,809
Robert J. Finocchio,       120,000         3.03%        12.938     06-01-03         976,359       2,474,285
Jr.
Ralph B. Godfrey            18,000         0.45%        12.938     06-01-03         146,454         371,143
Douglas C. Spreng          120,000         3.03%        12.938     06-01-03         976,359       2,474,285
Richard W. Joyce            44,400         1.12%        12.938     06-01-03         361,253         915,486
All Shareholders (4)        N/A           N/A           N/A          N/A      $ 961,418,353  $2,436,422,869
<FN>
------------------------------
(1)  All  of the  above options are  subject to  the terms of  3Com's 1983 Stock
     Option Plan (the "1983 Option Plan") and are exercisable only as they vest.
     The options granted to  each officer vest and  become exercisable in  equal
     annual  increments  over  a  four (4)  year  period  provided  the optionee
     continues to be employed by 3Com.

(2)  All options were  granted at  an exercise price  equal to  the fair  market
     value  of 3Com's Common  Stock as determined  by the Board  of Directors of
     3Com on the date of grant.

(3)  Potential realizable values  are net  of exercise price,  but before  taxes
     associated  with exercise. These amounts represent certain assumed rates of
     appreciation only, based on the  Securities and Exchange Commission  rules.
     No  gain to  an optionee  is possible without  an increase  in stock price,
     which will benefit all shareholders commensurably. A 0% gain in stock price
     will result in zero dollars for the optionee. Actual realizable values,  if
     any,  on stock option exercises are  dependent on the future performance of
     the  Common  Stock,  overall  market  conditions  and  the   optionholders'
     continued employment through the vesting period.

(4)  Represents  potential appreciation  in aggregate  shareholder value  at the
     assume annual  rates of  stock price  appreciation over  a ten-year  period
     beginning  May 31, 1994 based on the number of shares then outstanding, and
     using as a base  value the $23.50  per share closing  price of 3Com  common
     stock on that date.
</TABLE>

    The  following table  provides the  specified information  concerning option
exercises during fiscal year 1994 and the exercisable and unexercisable  options
held as of May 31, 1994, by the persons named in the Summary Compensation Table:

                     AGGREGATED OPTION EXERCISES IN FISCAL
                      YEAR 1994 AND YEAR-END OPTION VALUES

<TABLE>
<CAPTION>
                                                               NUMBER OF
                              SHARES                     UNEXERCISED OPTIONS AT    VALUE OF UNEXERCISED IN-THE-
                             ACQUIRED                           5/31/94            MONEY OPTIONS AT 5/31/94 (1)
                                ON          VALUE      --------------------------  ----------------------------
NAME                         EXERCISE     REALIZED     EXERCISABLE  UNEXERCISABLE   EXERCISABLE   UNEXERCISABLE
---------------------------  ---------  -------------  -----------  -------------  -------------  -------------
<S>                          <C>        <C>            <C>          <C>            <C>            <C>
Eric A. Benhamou                90,000  $   1,708,125      319,710       498,764   $   6,040,686  $   7,516,500
Robert J. Finocchio, Jr.       120,000      2,391,500      181,818       304,018       3,421,078      4,587,328
Ralph B. Godfrey                48,000      1,013,000       72,380        44,002       1,329,217        675,882
Douglas C. Spreng               66,000      1,319,250       34,166       235,834         585,145      3,250,480
Richard W. Joyce                37,000        725,238       42,000        73,430         652,692      1,031,321
<FN>
------------------------
(1)  Based  on a fair market value  of $23.50 per share as  of May 31, 1994, the
     closing sale price of 3Com's Common Stock  on that date as reported by  the
     NASDAQ National Market System.
</TABLE>

    STOCK OPTION PLAN INFORMATION

    In July 1994, the Board of Directors of 3Com adopted a new stock option plan
and  established  a  share  reserve  of  3,800,000,  solely  for  the  grant  of
nonqualified stock options to  employees and consultants  who are not  executive
officers   or  directors   of  3Com.  3Com   continues  to   maintain  the  1983

                                       81
<PAGE>
Option Plan, which permits option  grants to all employees, including  executive
officers.  For the  future, 3Com anticipates  that option grants  under the 1983
Option Plan will be made exclusively to executive officers. As of July 31, 1994,
approximately 2,650,818 shares of Common Stock were available for future  option
grants under the 1983 Option Plan.

    EMPLOYMENT AND CHANGE OF CONTROL ARRANGEMENTS

    Options  granted under the  1983 Option Plan  contain provisions pursuant to
which outstanding  options  must  either become  fully  vested  and  immediately
exercisable  prior to a "transfer of control"  transaction or must be assumed in
the transaction, and all  unexercised options terminate to  the extent they  are
not  assumed upon such  "transfer of control"  as defined under  the 1983 Option
Plan.

    Options granted under the 3Com  Corporation Director Stock Option Plan  (the
"Director  Plan")  contain  provisions  pursuant  to  which  outstanding options
granted under  the  Director  Plan  will become  fully  vested  and  immediately
exercisable  upon a merger or acquisition of 3Com where 3Com is not the survivor
or upon the sale of substantially all of the assets of 3Com.

    COMPENSATION OF DIRECTORS

    Members of  the Board  who are  not  employees of  3Com received  an  annual
retainer  during  fiscal  1994  as follows:  Audit  Committee  members, $13,000;
Compensation Committee members, $12,000;  others, $9,000; plus reimbursement  of
travel  expenses for travel by members of the  Board who reside out of the local
area.

    Outside directors receive options to  purchase Common Stock pursuant to  the
Director  Plan. The Director Plan provides for the initial automatic grant of an
option to purchase 20,000 shares of 3Com's Common Stock to each director of 3Com
who is not an employee of  3Com ("Outside Director"). In addition, each  Outside
Director  is automatically granted an option to purchase 12,000 shares of 3Com's
Common Stock upon becoming a member of the Audit or Compensation Committee.  All
options  have a five  year term, are  immediately exercisable and  vest over two
years so  long as  the option  holder continues  to serve  on the  Board or  the
Committee.  An additional option to purchase the same number of shares of 3Com's
Common Stock is  automatically granted  to each Outside  Director following  the
vesting in full of the option previously received.

    COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

    During  fiscal 1994, Messrs. Campbell, Hancock,  Kantz and L. William Krause
served as members of  the Compensation Committee of  3Com's Board of  Directors.
Mr. Hancock replaced Mr. Krause on the Compensation Committee in September 1993.
Mr. Krause was formerly an officer of 3Com.

    In October 1993, 3Com invested approximately $2 million to purchase stock in
a  corporation (the "subsidiary")  founded and controlled by  a company of which
Mr.  Campbell  is  the  controlling  shareholder,  Chairman  of  the  Board  and
President.  In October 1994,  3Com bought all remaining  stock in the subsidiary
from Mr. Campbell's company at a price of $2.2 million, and 3Com became the sole
owner of the subsidiary. During the  intervening year, 3Com paid the  subsidiary
approximately  $1.0  million  under an  arms-length  agreement for  3Com  to buy
products and  provide  related funding.  Mr.  Campbell served  as  acting  Chief
Executive  Officer and  a member  of the  Board of  Directors of  the subsidiary
during that year, and the subsidiary  paid Mr. Campbell's company a $15,000  per
month management fee, plus reimbursement of costs.

    COMPLIANCE WITH SECTION 16(A) OF THE SECURITIES EXCHANGE ACT OF 1934

    Section  16(a)  of  the  Exchange Act  requires  3Com's  executive officers,
directors and persons who beneficially own more than 10% of 3Com's Common  Stock
to  file initial reports of  ownership and reports of  changes in ownership with
the SEC.  Such persons  are required  by SEC  regulations to  furnish 3Com  with
copies of all Section 16(a) forms filed by such persons.

    Based  solely on 3Com's review  of such forms furnished  to 3Com and written
representations from certain  reporting persons, 3Com  believes that all  filing
requirements  applicable to 3Com's  executive officers, directors  and more than
10% shareholders were complied with during fiscal 1994.

                                       82
<PAGE>
                     INFORMATION CONCERNING PRIMARY ACCESS

BUSINESS

    GENERAL

    Primary Access  is a  leading supplier  of software-defined  remote  network
access platforms used to link the public switched telephone networks to backbone
computer networks.

    Primary  Access' product line, Aperture,  is currently being manufactured by
Primary Access for distribution throughout the world. Aperture is an  integrated
remote  access system  for high-speed data  transmission over  both wireline and
cellular networks. Aperture has been deployed  in networks in North America  and
around  the world. Aperture  is used by  phone companies (both  IXCs and RBOCs),
cellular carriers, Internet access providers, information service provides, VANs
and corporations with large private  networks to provide the connection  between
users and information.

    The  six  key features  of  the Aperture  system  are: (i)  software defined
flexibility; (ii) scalable  platform; (iii) shared  resources; (iv)  intelligent
centralized  management;  (v)  public  network  service  independence;  and (vi)
application independence.

    - SOFTWARE DEFINED  FLEXIBILITY.    Aperture software  supports  adding  new
      features   or  enhancing  existing   capabilities.  Downloading  software,
      remotely and  without  changing  hardware, enables  network  providers  to
      introduce new services faster.

    - SCALABLE PLATFORM.  A single all-digital Aperture system can be configured
      to  support  from  24 to  over  240 ports.  Aperture's  scalability allows
      network providers to engineer multiple applications on a single system and
      add new applications where there  is spare capacity. Aperture's  different
      functional  elements  allow  flexibility by  letting  the  same functional
      elements service many different applications.

    - SHARED  RESOURCES.    Aperture's  interconnection  among  its   functional
      elements  means flexibility  and cost-effectiveness  for growing networks.
      For example, a new shelf of modem ports can connect with a T1 interface on
      another Aperture shelf  or a  X.25 PAD  on yet  another shelf.  Aperture's
      architecture  does not limit communication to  a functional device on just
      one shelf.

    - INTELLIGENT CENTRALIZED MANAGEMENT.   Aperture is provisioned,  configured
      and  monitored in  real-time from  a management  system at  the customer's
      network control  center.  Centralized  management  and  configuration  can
      eliminate  costly, time-consuming maintenance trips  by field engineers to
      the installation site.

    - PUBLIC NETWORK SERVICE INDEPENDENCE.  Aperture provides the flexibility to
      interface with digital  T1/E1 trunks  and analog  lines. Aperture's  T1/E1
      interface  allows network providers to mix multiple services, such as dial
      and leased  lines, over  the same  physical connection.  If sites  require
      analog,  they  can upgrade  their Aperture  platform when  digital service
      becomes available.

    - APPLICATION  INDEPENDENCE.      A   single  Aperture   platform   can   be
      software-configured  to  support  multiple  data  applications,  including
      Internet access, e-mail,  database inquiries, on-line  customer and  other
      high-speed  interactive  applications, mobile  database  inquiries, mobile
      e-mail, package tracking, other  wireless data applications,  credit/debit
      authorization and healthcare verifications.

    Primary  Access believes its  software-based approach to  network access has
certain advantages when compared  with separate fixed-function hardware  devices
such  as channel banks, modems, DSUs, PADS  and terminal and LAN access servers.
Primary Access' products are used in three main networking applications:

        - HIGH-SPEED  DATA  NETWORK  ACCESS.     Aperture  is  used   for
          interactive data networks where high-speed data transmission is
          essential to cut processing time, reduce

                                       83
<PAGE>
          telephone  network  costs  and transmit  information  to people
          quickly.  Typical  high-speed  data  network  access  uses  are
          providing  access to  the Internet,  e-mail, host  databases or
          packet-data networks.

        - WIRELESS DATA NETWORK ACCESS.  Aperture is also used to provide
          high-speed,  reliable   transmission   of  data   over   analog
          circuit-switched   cellular  networks,  where   the  system  is
          installed at mobile switching offices to provide a  transparent
          connection   between  mobile   workers'  cellular   modems  and
          traditional landline modems at host computer sites.

        - TRANSACTION  PROCESSING  NETWORK  ACCESS.    Aperture  is  also
          installed  in those  transaction networks which  handle many of
          the point-of-sale transactions  over circuit-switched  networks
          in  the  United States.  Aperture  is able  to  cut transaction
          processing times by up to 10 seconds.

    RESEARCH AND PRODUCT DEVELOPMENT

    Primary Access  believes its  future  success will  depend  in part  on  its
ability,  on  a cost-effective  and  timely basis,  to  continue to  enhance the
Aperture system, to  develop and introduce  new products for  the remote  access
market  and other markets, to meet  new industry standards and changing customer
needs and to achieve broad market acceptance for its products.

    Product line  extensions require  Primary Access  to work  closely with  its
current  and potential customers.  Using feedback received  from such customers,
Primary Access identifies and then develops new products and enhancements to its
existing products that Primary Access believes will increase their usefulness or
extend their  application.  In addition,  Primary  Access continually  seeks  to
reduce the manufacturing cost of its products by taking advantage of advances in
hardware  and software technology. There can be no assurance that Primary Access
will be  able to  successfully  develop new  products  to address  new  industry
transmission  standards and technological  changes or to  respond to new product
announcements by others or  that such products  will achieve market  acceptance.
See "Competition."

    In  1992, 1993 and 1994, and for the  three months ended January 2, 1994 and
January  1,  1995,  Primary  Access'  research  and  development  expenses  were
$2,648,000, $3,193,000, $4,782,000, $991,000 and $1,335,000, respectively, which
represented  19%, 13%, 18%, 16%  and 18% of sales  for those respective periods.
All of Primary Access's development expenditures have been expensed as incurred.

    MANUFACTURING AND SUPPLIERS

    Primary Access'  manufacturing  operations  consist  primarily  of  material
planning  and procurement, final assembly, system testing, burn-in, final system
testing and quality control. Primary Access procures all components from outside
manufacturers. All final assembly and tests  are completed by Primary Access  at
its  production facility.  Primary Access utilizes  contract manufacturing (both
consignment and turnkey operations) for the assembly of certain  sub-assemblies.
Primary  Access also purchases sub-assemblies that have been modified to Primary
Access' specifications  from original  equipment manufacturers.  Primary  Access
uses  third-party  subcontractors  for  the manufacture  of  its  products. This
reliance on  third-party subcontractors  involves several  risks, including  the
potential absence of adequate capacity, the unavailability of or interruption in
access to certain process technologies and reduced control over product quality,
delivery schedules, manufacturing yields and costs.

    To procure adequate supplies of certain components, Primary Access must make
advance  commitments to purchase relatively  large quantities of such components
in a  number of  circumstances.  A large  portion  of Primary  Access'  purchase
commitments  consist of custom parts,  some of which are  sole source, for which
there is no alternative use or  application. The inability of Primary Access  to
incorporate such components in its products could have a material adverse effect
on Primary Access' business, operating results and financial condition.

                                       84
<PAGE>
    MARKETING, SALES AND CUSTOMER SUPPORT

    Primary  Access  markets its  Aperture system  to  its customers  through an
experienced direct sales force that works closely with the senior management  as
well  as the network marketing, engineering  and operations departments of these
customers as part of the sales effort. All service, repair and technical support
of Primary Access' products are performed in-house. Primary Access also provides
comprehensive on-site  field support  to its  customers. Primary  Access  offers
technical  support to  its customers  on a  24-hours-a-day, 7-days-a-week basis.
Primary Access's current hardware warranty is two years.

    COMPETITION

    The market  for  remote access  solutions  is highly  competitive.  In  this
market,   Primary  Access   competes  primarily   with  USRobotics   and  Ascend
Communications, Inc.  Primary Access  expects other  competitors to  enter  this
market.  Many  of  Primary  Access' competitors  or  potential  competitors have
substantial technical, financial  and marketing  resources and  long-established
relationships  with telephone companies. There can  be no assurance that Primary
Access will have the technical expertise or marketing, distribution and  support
capabilities to compete successfully in the future.

    PROPRIETARY RIGHTS

    Primary  Access  relies  on  a combination  of  technical  leadership, trade
secret, copyright  and trademark  protection  and non-disclosure  agreements  to
protect  its  proprietary rights.  Although  Primary Access  has  pursued patent
protection of  inventions  that  it  considers  important  and  for  which  such
protection  is available,  Primary Access believes  its success  will be largely
dependent on its reputation  for technology, product innovation,  affordability,
marketing  ability and  response to customer's  needs. As of  February 28, 1995,
Primary Access had one pending U.S. patent application covering a certain aspect
of its products. There can be no  assurance that Primary Access will be  granted
any  patents or  that, if  any patents  are granted,  they will  provide Primary
Access with significant protection or will not be challenged.

    Availability of  proprietary devices,  knowledge and  experience of  Primary
Access'  personnel,  new  product development,  market  recognition  and product
support are  key  factors  in  the protection  of  Primary  Access'  proprietary
position.  As part of  its confidentiality procedures,  Primary Access generally
enters into  non-disclosure agreements  with its  employees and  suppliers,  and
limits  access to and distribution of its proprietary information. Despite these
precautions, it may be possible  for a third party  to copy or otherwise  obtain
and use Primary Access' technology without authorization. Accordingly, there can
be  no  assurance  that Primary  Access  will  be successful  in  protecting its
proprietary technology or that Primary Access' proprietary rights will  preclude
competitors  from developing  products or  technology equivalent  or superior to
that of Primary Access.

    The industry  in  which Primary  Access  competes is  characterized  by  the
existence  of  a  large  number  of patents  and  frequent  litigation  based on
allegations  on  patent  infringement.  Primary  Access  is  not  aware  of  any
infringement  by its products or technology of the proprietary rights of others.
There can be no assurance that third parties will not assert infringement claims
against Primary Access in the future or that any such assertions will not result
in  costly  litigation  or  require  Primary  Access  to  obtain  a  license  to
intellectual property rights of such parties. There can be no assurance that any
such  licenses would be available  on terms acceptable to  Primary Access, if at
all. Further, litigation,  regardless of  outcome, could  result in  substantial
cost  to and diversion of efforts by  Primary Access. Any infringement claims or
litigation against Primary Access could materially and adversely affect  Primary
Access'  business, results of operations  and financial condition. Moreover, the
laws of some foreign countries do not protect Primary Access' proprietary rights
in the products to the same extent as do the laws of the United States.

    EMPLOYEES

    As of February 28, 1995, Primary  Access had 115 employees, including 40  in
research  and development, 29 in marketing and sales, 16 in customer support, 15
in manufacturing and 15 in

                                       85
<PAGE>
administration. Primary Access believes  that the success  of its business  will
depend, in part, on its ability to attract and retain qualified personnel. There
can  be no assurance that Primary Access will  be able to attract and retain the
qualified personnel or develop  the expertise needed  for its business.  Primary
Access  currently has  a small  research and management  group. The  loss of the
services of one  or more  members of  the research  or management  group or  the
inability  to hire  additional personnel and  develop expertise  as needed would
have an adverse effect on Primary Access. Primary Access believes that it has  a
good relationship with its employees.

    FACILITIES

    Primary  Access currently maintains its headquarters in a 62,000 square foot
leased facility  in  San  Diego,  California,  which  contain  all  development,
engineering,  assembly, marketing and  administrative functions. Primary Access'
current lease expires in March 1997, and provides Primary Access with the option
to renew. Primary Access believes that its existing facilities will be  adequate
to meets its needs through 1997.

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS

    The  following  should  be  read  in  conjunction  with  selected historical
financial data  and  Primary  Access' Financial  Statements  and  notes  thereto
appearing elsewhere in this document.

    GENERAL

    Primary  Access was  incorporated in  June 1988  to design,  manufacture and
market remote  access networking  systems to  assist certain  users in  managing
their  telecommunication networks.  Shipments of Primary  Access' first product,
the Aperture system, began in 1990. Primary Access did not generate  significant
revenue  until June 1991. Primary Access'  revenue growth subsequent to 1991 and
its profitability beginning in  the second quarter of  1992 are attributable  to
market acceptance of the Aperture system. All of Primary Access' revenue to date
has  been derived  from the  sale of the  Aperture systems.  Primary Access also
generates revenue from installation and software maintenance of its systems.

    RESULTS OF OPERATIONS

    THREE MONTHS ENDED JANUARY 1, 1995 COMPARED WITH JANUARY 2, 1994

    Sales grew 25.0%, from $6,034,000 for three months ended January 2, 1994  to
$7,543,000 for the same period in 1995. Sales of equipment and software grew 27%
from $5,225,000 for the three months ended January 2, 1994 to $6,634,000 for the
same  period in 1995. The increase is attributable to an increase in the sale of
software products, including  an amount  received under  a software  development
contract  with a major customer, and an increase in the number of system shelves
shipped to customers. Sales from  customer support maintenance and  installation
grew  12% from $809,000 for  the three months ended  January 2, 1994 to $909,000
for the  same period  in 1995.  This increase  is directly  attributable to  the
increase in the installed base of systems under annual maintenance contracts.

    Primary  Access' gross margin  increased 20.6% from  $3,520,000 in the three
months ended January 2, 1994 to $4,245,000 in the three months ended January  1,
1995.  Gross margin on equipment  and software sales decreased,  as a percent of
sales, in  1995 from  1994  primarily because  of  the introduction  of  Primary
Access'  new line of  high-performance V.34 capable  products, and the resulting
products and  inventory  transition.  Gross margin  on  customer  support  sales
improved  as a percent of sales as a result of an increase in the installed base
of systems under maintenance contracts.

    Research and development expenses increased 34.7% from $991,000 in the three
months ended January  2, 1994  to $1,335,000  in the  same period  in 1995,  due
primarily  to the addition of full-time personnel, the purchase of equipment and
the increased  use of  consultants in  connection with  the development  of  new
products.

                                       86
<PAGE>
    General  and administrative expenses  decreased 3.8% from  $1,841,000 in the
three months ended January 2, 1994 to $1,771,000 in the same period in 1995. The
decrease was primarily  the result  of a  decrease in  relocation, trade  shows,
legal  expenses  and effective  cost controls  to  reduce travel  and consultant
expenses.

    Other income for the three months ended January 2, 1994 and January 1,  1995
is primarily interest income earned on Primary Access' cash balances.

    FISCAL 1994 COMPARED WITH FISCAL 1993

    Sales  grew 10.3%, from $24,052,000 for  1993 to $26,518,000 for 1994. Sales
of equipment and software remained relatively flat at $23,214,000 for 1994  from
$23,020,000 for 1993. Sales from customer support increased 220% from $1,032,000
in  1993 to $3,304,000 in 1994. This  increase is attributable to an increase in
the number of contracts for software maintenance and installation.

    Primary Access' gross  margin increased  13.3% from $13,999,000  in 1993  to
$15,858,000 in 1994, primarily because of increased sales in 1994 over 1993, and
significant  cost  reductions  achieved  in the  manufacturing  of  the Aperture
platform.

    Research and development expenses increased 49.8% from $3,193,000 in 1993 to
$4,782,000 in 1994, due primarily to the additional of full-time personnel,  the
purchase  of equipment and  prototypes, and the increased  use of consultants in
connection with the development  of new products.  Primary Access believes  that
its  future  success  depends  on  its  ability  to  maintain  its technological
leadership through  enhancement  of its  existing  products and  development  of
innovative  new  products that  meet customer  needs. Therefore,  Primary Access
intends to  continue to  make significant  investments in  research and  product
development. See "-- Liquidity and Capital Resources."

    General  and administrative expenses increased 26.1% from $5,867,000 in 1993
to $7,398,000 in  1994. The  increase in  1994 was  primarily the  result of  an
increase  of the sales force and related expenses as Primary Access expanded its
sales force with  the goal  of further  penetrating the  market. Primary  Access
expects  that  selling  and  marketing expenses  will  continue  to  increase in
absolute dollars  as  Primary Access  continues  to hire  additional  sales  and
marketing personnel.

    Other  expenses for 1993 and  1994 are primarily the  net of interest income
and expense.

    Primary Access was required  to pay federal income  taxes starting in  1992.
Primary Access' tax rate increased from 9.4% in 1993 to 22.4% in 1994 as Primary
Access reached limitations in the use of its net operating loss carryforwards as
a  result of ownership changes associated  with an equity financing in September
1990.

    At October 2, 1994, Primary Access had federal income tax-loss carryforwards
of approximately $1,233,000 which begin to expire in 2004, and California  state
income  tax-loss carryforwards of approximately $1,292,000 which begin to expire
in 1995.  Primary  Access  has available  research  and  experimentation  credit
carryforwards of approximately $432,000 which begin to expire in 2004.

    Primary  Access adopted the Statement  of Financial Accounting Standards No.
109 "Accounting for Income Taxes" ("SFAS No. 109") for the year ended October 2,
1994 and applied the provisions of  SFAS No. 109 retroactively to September  30,
1991.  The adoption of  SFAS No. 109 did  not have a  material effect on Primary
Access' financial position or results of operations. See Notes 1 and 7 of  Notes
to the Financial Statements.

    FISCAL 1993 COMPARED WITH FISCAL 1992

    Sales  grew 74.3%, from $13,798,000 for  1992 to $24,052,000 for 1993. Sales
of  equipment  and  software  increased  74.6%  from  $13,185,000  for  1992  to
$23,020,000  for 1993. Sales from customer  support grew 68.4% from $613,000 for
1992  to  $1,032,000  for  1993.  The  increase  is  attributable  to  increased
acceptance  of the  Aperture platform and  customers entering  into new software
maintenance and installation agreements.

                                       87
<PAGE>
    Primary Access'  gross  margin increased  95%  from $7,199,000  in  1992  to
$13,999,000  in 1993. Gross  margin on system  sales increased, as  a percent of
sales, in 1993  from 1992 from  53.5% to 60.8%,  primarily because of  increased
sales  of  equipment and  software which  allowed Primary  Access to  spread its
manufacturing costs over a larger revenue base. Gross margin on customer support
sales decreased  as a  percent of  sales  from 23.8%  in 1992  to  approximately
breakeven  in 1993 as Primary Access made  a significant investment to build its
customer support infrastructure.

    Research and development expenses increased 20.6% from $2,648,000 in 1992 to
$3,193,000 in 1993, due  primarily to the addition  of full-time personnel,  the
purchase  of equipment and  the increased use of  consultants in connection with
the development of new products.

    General and administrative expenses increased 79.6% from $3,266,000 in  1992
to  $5,867,000 in  1993. The  increase in  1993 was  primarily the  result of an
increase of the sales force and related expenses as Primary Access expanded  its
sales force with the goal of further penetrating the market.

    Other  income (expense)  for 1992 and  1993 consisted  primarily of interest
expense incurred under  Primary Access'  line of credit  arrangements to  enable
Primary  Access to  finance its  working capital  requirements. The  majority of
expenditures were for  purchase of furniture,  computers, capital  manufacturing
equipment  and other necessary equipment. Primary  Access expects to continue to
purchase such equipment and Primary Access expects that capital expenditures  in
fiscal 1995 will exceed fiscal 1994 levels.

    LIQUIDITY AND CAPITAL RESOURCES

    Primary  Access has  funded its operations  through cash  flow provided from
operations since the  second quarter  of 1992.  From its  incorporation in  1988
through  1992, Primary Access relied primarily  upon private financing of equity
securities, which provided aggregate proceeds of approximately $11,974,000,  and
borrowings  under  an accounts  receivable line  of  credit. Proceeds  were used
primarily for  working  capital. As  of  January  1, 1995,  Primary  Access  had
$7,828,000  in cash and cash equivalents, $10,235,000 in working capital, and no
obligations outstanding under its line of credit arrangements.

    Working capital increased to $10,235,000 at January 1, 1995 from  $8,306,000
at  January 2, 1994 primarily  because of an increase  in cash, cash equivalents
and prepaid assets. Cash and cash equivalents increased to $7,828,000 at January
1, 1995 from $6,002,000 at January 2, 1994.

    Cash used for capital expenditures was $994,000 in fiscal 1994 and  $464,000
in fiscal 1993. In the three months ended January 1, 1995, cash used for capital
expenditures was $118,000.

    Primary  Access has available  to it a  secured revolving line  of credit of
$2,000,000, and  a  line of  credit  for  equipment purchase  and  additions  of
$1,000,000.  Primary Access acquired property and equipment totalling $77,000 in
fiscal 1993 and  $115,000 in  fiscal 1992 through  its line  of credit.  Primary
Access had no borrowings against either line of credit at January 1, 1995.

    To  date,  inflation has  not had  a significant  effect on  Primary Access'
operating results.

                                       88
<PAGE>
EXECUTIVE OFFICERS AND DIRECTORS

    The following  table sets  forth  certain information  with respect  to  the
executive officers and directors of Primary Access:

<TABLE>
<CAPTION>
          NAME                AGE                   POSITION WITH PRIMARY ACCESS
------------------------      ---      -------------------------------------------------------
<S>                       <C>          <C>
William R. Stensrud               44   President, Chief Executive Officer and Director
James R. Dunn                     46   Chief Technical Officer, Vice President, Advanced
                                       Development, and Director
Marcel Gani                       42   Vice President and Chief Financial Officer
Dan Gatti                         50   Vice President, Worldwide Sales
Carmen Genovese                   49   Vice President, Operations
Gary Hodgman                      52   Vice President, Engineering
John J. Kaufman                   48   Vice President, Program Management
Joseph Markee                     42   Vice President, Customer Support
Andrew May                        34   Vice President, Marketing
James Berglund                    63   Director
Tench Coxe                        37   Director
Kathryn Gould                     45   Director
V. Orville Wright                 74   Director
</TABLE>

    WILLIAM  R. STENSRUD joined Primary Access  as president and chief executive
officer in  1992 and  was elected  director at  the same  time. Previously,  Mr.
Stensrud  was co-founder and served as  vice president of marketing and business
development for  Stratacom,  Inc.,  a  manufacturer  of  fast  packet  switching
equipment,  from  1986  to 1992.  He  was  also co-founder  and  served  as vice
president, marketing, for Sydis, a workstation manufacturer, from 1983 to  1985.
Mr. Stensrud previously held a number of senior marketing, sales and engineering
positions  with AT&T, Rolm and DEC. Mr.  Stensrud sits on the board of directors
of Pulse Engineering,  Inc., a  manufacturer of  advanced electronic  components
used for data and voice communications. Mr. Stensrud holds bachelor's degrees in
electrical  engineering  and computer  science  from Massachusetts  Institute of
Technology.

    JAMES DUNN is a co-founder of  Primary Access and currently serves as  chief
technical  officer and vice  president, advanced development,  a position he has
held since 1991.  Mr. Dunn served  as vice president,  engineering from 1988  to
1991.  Mr. Dunn  has served  as a director  of Primary  Access from  1988 to the
present. From  1979 to  1988, Mr.  Dunn  served as  vice president  for  product
development  in the  telephone network products  group at  M/A-Com Linkabit. Mr.
Dunn holds  a bachelor's  degree in  applied physics  and mathematics  from  the
University of California, San Diego.

    MARCEL  GANI joined  Primary Access  as vice  president and  chief financial
officer in  1993. Prior  to joining  Primary  Access, Mr.  Gani served  as  vice
president  and chief financial officer of NeXT Computer, Inc. from 1992 to 1993.
He served as director  of finance and treasurer  for Cypress Semiconductor  from
1990  to 1992  and held  a variety  of financial  management positions  during a
12-year career  with Intel  Corporation. Mr.  Gani holds  a master's  degree  in
business  administration from the University of Michigan and a bachelor's degree
in computer science and applied mathematics from EPFL in Lausanne, Switzerland.

    DAN GATTI joined Primary Access in 1994 as vice president, worldwide  sales.
Previously,  Mr.  Gatti served  as president  and  general manager  of Whittaker
Communications, Inc. from 1992 to 1994. He  has also served in senior sales  and
marketing  positions at Amdahl Corp. from 1988 to 1991, at Avanti Communications
Corp. from 1987  to 1988 and  GTE from 1984  to 1987. Prior  to that, Mr.  Gatti
served in various sales and sales management positions for IBM for 16 years. Mr.
Gatti  holds  a  bachelor's  degree in  history  from  Fairfield  University and
graduated from Harvard University's Executive MBA program.

                                       89
<PAGE>
    CARMEN GENOVESE joined Primary Access in 1992 as vice president, operations.
He previously served as president  and chief executive officer of  Technavision,
Inc.  from  1989 to  1992. Mr.  Genovese previously  held senior  operations and
engineering positions with Sutter Corp, from 1983 to 1989, and with IVAC  Corp.,
from  1979 to 1983. Mr.  Genovese holds a bachelor's  degree in engineering from
Drexel University  and  did  graduate  study  in  management  at  University  of
California, Los Angeles.

    GARY  HODGMAN joined Primary Access in  1994 as vice president, engineering.
Prior to joining Primary  Access, Mr. Hodgman served  as division president  for
Evans  & Sutherland  from 1989  to 1993.  He also  served as  president of Basis
Information Systems from 1984  to 1989 and held  a variety of senior  management
posts  with Burroughs Corp.  from 1973 to  1984. Mr. Hodgman  holds a bachelor's
degree in electrical  engineering from  the University  of Utah  and a  master's
degree in electrical engineering from University of California, Los Angeles.

    JOHN  J. KAUFMAN  joined Primary Access  in 1990 as  vice president, program
management. He previously  served as  assistant vice  president, engineering  of
M/A-Com  Linkabit from 1979  to 1990. Dr.  Kaufman holds a  bachelor's degree in
physics from  Massachusetts  Institute of  Technology  and a  Ph.D.  in  applied
physics from University of California, San Diego in 1976.

    JOSEPH MARKEE is a co-founder of Primary Access and currently serves as Vice
President,  Customer  Support,  a  position  he  has  held  since  1990.  He has
previously served as a product engineer for the VideoCipher satellite television
scrambling system at M/A-Com Linkabit and General Instrument from 1984 to  1987.
Mr.  Markee holds  a bachelor's  degree in  electrical engineering  and computer
science from University of California, Davis.

    ANDREW MAY joined Primary Access in 1992 as vice president, marketing. Prior
to joining  Primary  Access, Mr.  May  served  in various  sales  and  marketing
positions  within the network services division of CompuServe, Inc. from 1984 to
1992. Mr. May holds a bachelor's degree in economics from the University of  New
Hampshire.

    JAMES  H. BERGLUND has  served as a  director of Primary  Access since 1991.
Since 1985, Mr. Berglund  has been a general  partner of Enterprise Partners,  a
venture  capital  and investment  firm which  manages private  investment funds.
Funds affiliated with Enterprise Partners are principal shareholders of  Primary
Access.  Mr. Berglund  currently serves  as a  director of  eight privately-held
companies.

    TENCH COXE has  served as  a director of  Primary Access  since 1988.  Since
1987,  Mr. Coxe has served as general partner of Sutter Hill Ventures, a venture
capital firm providing  equity capital  to technology  companies throughout  the
United  States.  Sutter  Hill Ventures  is  a principal  shareholder  of Primary
Access. Prior to joining Sutter Hill Ventures,  Mr. Coxe served in a variety  of
positions  with Digital  Communications Associates from  1984 to  1987. Mr. Coxe
currently serves as a director of seven privately-held companies.

    KATHRYN GOULD has served as a  director of Primary Access since 1991.  Since
1989,  Ms. Gould has been a limited  partner of MPAE V Management Company, L.P.,
the general partner  of Merrill,  Pickard, Anderson &  Eyre V,  L.P., a  venture
capital  and investment  firm which  manages private  investment funds. Merrill,
Pickard, Anderson & Eyre V, L.P.  is a principal shareholder of Primary  Access.
Ms. Gould currently serves as a director of six privately-held companies.

    V. ORVILLE WRIGHT has served as a director of Primary Access since 1992. Mr.
Wright  served in a variety of executive positions with MCI Communications Corp.
from 1975 to 1991, including president and chief operating officer from 1975  to
1985, vice chairman from 1985 to 1986, vice chairman and chief executive officer
during  1987 and vice  chairman and co-chief executive  office from 1988 through
his retirement  in  1991. Mr.  Wright  is currently  a  member of  the  advisory
committee  to  MCI  Communications  Corp,  and a  director  of  Netrix,  Inc., a
telecommunications company, and a charitable foundation.

                                       90
<PAGE>
    None of the officers or directors listed above will be officers or directors
of 3Com. The term of office of  each person elected as a director will  continue
until  the next annual meeting of shareholders or until his or her successor has
been elected.

PRINCIPAL SHAREHOLDERS

    The following table sets forth certain information regarding the  beneficial
ownership  of Primary Access' capital stock as  of February 28, 1995, by (i) all
those known by Primary  Access to be  beneficial owners of more  than 5% of  its
outstanding  Common  Stock  and  Preferred Stock  (ii)  each  director  and each
executive officer  of  Primary Access  and  (iii) all  directors  and  executive
officers of Primary Access as a group. There are currently no shares of Series B
Preferred  Stock or  Series D  Preferred Stock  issued or  outstanding. Where an
individual is not listed below, such individual has no shares beneficially held.
Unless otherwise  indicated, each  of  the shareholders  listed below  has  sole
voting and investment power with respect to the shares beneficially owned.

<TABLE>
<CAPTION>
                                                                                   SHARES BENEFICIALLY
                                                                                    OWNED PRIOR TO THE
                                                                                        MERGER (1)
                                                                                 ------------------------
OFFICERS, DIRECTORS AND 5% SHAREHOLDERS                                            NUMBER       PERCENT
                                                                                 -----------  -----------
<S>                                                                              <C>          <C>
                                 COMMON STOCK
Stensrud Family Trust (2)......................................................      606,794       32.6%
Joseph D. Markee (3)...........................................................      261,781       16.1%
Teresa L. Boley (4)............................................................      232,615       14.6%
James E. Dunn (5)..............................................................      195,656       12.0%
John R. Rosenlof (6)...........................................................      131,516        8.2%
Sam O. Takahashi (7)...........................................................      124,536        7.8%
Vernon Yates...................................................................      120,312        7.6%
285 Torrey Pines Terrace
Del Mar, CA 92014
Andrew S. May (8)..............................................................       95,123        5.8%
John J. Kaufman (9)............................................................       79,896        4.9%
Marcel Gani (10)...............................................................       70,417        4.3%
Carmen E. Genovese (11)........................................................       63,810        3.9%
V. Orville Wright (12).........................................................       35,049        2.2%
Gary Hodgman (13)..............................................................       28,925        1.8%
All directors and executive officers as a group (13 persons) (14)..............    1,820,482       82.6%
                                PREFERRED STOCK
Sutter Hill Ventures, a California limited partnership (15)....................    2,538,431       30.2%
755 Page Mill Road, Suite A-200
Palo Alto, CA 94304
Funds affiliated with Enterprise Partners (16).................................    1,442,307       17.2%
1205 Prospect Avenue, Suite 550
LaJolla, CA 92037
Merrill, Pickard, Anderson & Eyre V, L.P. (17).................................    1,261,218       15.0%
2480 Sand Hill Road
Menlo Park, CA 94205
Funds affiliated with Mayfield (18)............................................    1,107,372       13.2%
2200 Sand Hill Road
Menlo Park, CA 94205
Funds affiliated with Sorrento Ventures (19)...................................      961,538       11.4%
4225 Executive Square, Suite 1450
</TABLE>

                                       91
<PAGE>
<TABLE>
<CAPTION>
                                                                                   SHARES BENEFICIALLY
                                                                                    OWNED PRIOR TO THE
                                                                                        MERGER (1)
                                                                                 ------------------------
OFFICERS, DIRECTORS AND 5% SHAREHOLDERS                                            NUMBER       PERCENT
                                                                                 -----------  -----------
<S>                                                                              <C>          <C>
San Diego, CA 92037
TOW Partners, a California limited partnership.................................       86,879        1.0%
c/o Sutter Hill Ventures
Tench Coxe (15)................................................................       61,461       *
All directors and executive officers as a group (13 persons)...................    7,459,206       88.8%
<FN>
------------------------
*    Less than 1%

 (1) Share  ownership  in  each case  includes  shares issuable  on  exercise of
     certain outstanding options  held by  the particular  beneficial owners  as
     described  in the footnotes below. Except  as indicated in the footnotes to
     this table, the persons in the table have sole voting and investment  power
     with  respect to all  shares of Common  Stock and Preferred  Stock shown as
     beneficially owned  by  them,  subject to  community  property  laws  where
     applicable.

 (2) Includes  275,934 shares issuable  upon exercise of  stock options that are
     exercisable within 60 days of February 28, 1995.

 (3) Includes 112,974 shares held by his spouse, Teresa Boley (see footnote (4))
     and 35,833  shares issuable  upon exercise  of stock  options held  in  Mr.
     Markee's name that are exercisable within 60 days of February 28, 1995.

 (4) Includes  112,974 shares  held by her  spouse, Joseph  Markee (see footnote
     (4)), and 6,667 shares issuable upon exercise of stock options held in  Ms.
     Boley's name that are exercisable within 60 days of February 28, 1995.

 (5) Includes  41,250 shares  issuable upon exercise  of stock  options that are
     exercisable within 60 days of February 28, 1995, and 24,139 shares owned by
     Mr. Dunn's spouse, a Primary Access employee.

 (6) Includes 11,042 shares  issuable upon  exercise of stock  options that  are
     exercisable within 60 days of February 28, 1995.
 (7) Includes  6,249 shares  issuable upon  exercise of  stock options  that are
     exercisable within 60 days of February 28, 1995.
 (8) Includes 51,881 shares  issuable upon  exercise of stock  options that  are
     exercisable within 60 days of February 28, 1995.
 (9) Includes  31,771 shares  issuable upon exercise  of stock  options that are
     exercisable within 60 days of February 28, 1995.
(10) Includes 52,084 shares  issuable upon  exercise of stock  options that  are
     exercisable within 60 days of February 28, 1995.
(11) Includes  40,157 shares  issuable upon exercise  of stock  options that are
     exercisable within 60 days of February 28, 1995.
(12) Includes 35,049 shares  issuable upon  exercise of stock  options that  are
     exercisable within 60 days of February 28, 1995.
(13) Includes  28,925 shares  issuable upon exercise  of stock  options that are
     exercisable within 60 days of February 28, 1995.
(14) Includes 616,842 shares issuable  upon exercise of  stock options that  are
     exercisable within 60 days of February 28, 1995.
(15) Mr. Coxe, a director of Primary Access, is a general partner of Sutter Hill
     Management,  a California limited partnership  which is the general partner
     of Sutter Hill Ventures. Mr. Coxe
</TABLE>

                                       92
<PAGE>
<TABLE>
<S>  <C>
     disclaims beneficial ownership of these shares other than to the extent  of
     his  individual  partnership  interest,  but  exercises  shared  voting and
     investment power  with respect  to  these shares.  Mr. Coxe  claims  direct
     ownership of those shares held by him individually.
(16) Includes  1,322,115 shares held by Enterprise Partners II, L.P. and 120,192
     shares held  by Enterprise  Associates, L.P.  Mr. Berglund,  a director  of
     Primary  Access, is a general partner of Enterprise Partners and Enterprise
     Management Partners II, L.P.,  which is the  general partner of  Enterprise
     Partners  II, L.P. and  Enterprise Associates, L.P.  Mr. Berglund disclaims
     beneficial ownership  of these  shares  other than  to  the extent  of  his
     individual partnership interest, but exercises shared voting and investment
     power with respect to these shares.
(17) Ms.  Gould, a director  of Primary Access,  is a limited  partner of MPAE V
     Management Company, L.P., the general partner of Merrill, Pickard, Anderson
     & Eyre V,  L.P. Ms. Gould  disclaims beneficial ownership  of these  shares
     other than to the extent of her individual partnership interest.
(18) Includes  1,063,077 shares  held by Mayfield  VI and 44,295  shares held by
     Mayfield Associates.
(19) Includes 480,769 shares held by  Sorrento Ventures and 480,769 shares  held
     by Sorrento Ventures II, L.P.
</TABLE>

                                       93
<PAGE>
                       DESCRIPTION OF 3COM CAPITAL STOCK

    The  authorized  capital stock  of 3Com  consists  of 200,000,000  shares of
Common Stock, no  par value,  and 3,000,000 shares  of Preferred  Stock, no  par
value.

COMMON STOCK

    As  of February 28, 1995, there were  66,480,931 shares of 3Com Common Stock
(as adjusted  for  2 for  1  stock split  effective  as of  September  1,  1994)
outstanding held of record by approximately 1,284 shareholders.

    Subject  to preferences that may be  applicable to any outstanding Preferred
Stock, holders  of  3Com Common  Stock  are  entitled to  receive  ratably  such
dividends  as may  be declared by  the Board  of Directors out  of funds legally
available therefor. 3Com has not paid any cash dividends on its Common Stock and
is prohibited  by  certain  of  its  borrowing  arrangements  from  paying  cash
dividends  without prior  approval from the  lender. Each holder  of 3Com Common
Stock is entitled to one vote  for each share held of  record by him or her  and
may  not  cumulate  votes for  the  election of  directors.  In the  event  of a
liquidation, dissolution or winding up of 3Com, holders of 3Com Common Stock are
entitled to share ratably in all  assets remaining after payment of  liabilities
and  the liquidation preference  of any outstanding  Preferred Stock. Holders of
3Com Common Stock have no preemptive rights and have no rights to convert  their
Common  Stock into any  other securities and there  are no redemption provisions
with respect to such shares. All of the outstanding shares of 3Com Common  Stock
are fully paid and non-assessable.

    The  transfer agent  for 3Com  Common Stock  is The  First National  Bank of
Boston.

CERTAIN CHARTER PROVISIONS

    3Com's Articles of Incorporation and Bylaws contain certain provisions  that
could  have the effect of delaying, deferring  or preventing a change in control
of 3Com. These include the following:  (i) a provision classifying the Board  of
Directors  into two classes; (ii) a  provision permitting the Board of Directors
to consider  factors other  than price  per share  when evaluating  a merger  or
consolidation or certain other types of proposed business combination; and (iii)
a  provision requiring that a vote of two thirds (2/3) of all of the outstanding
shares of 3Com, and the holders of at least a majority of the outstanding voting
shares other than shares held by interested shareholders, is required to approve
certain business combinations.

PREFERRED STOCK

    As of  February 28,  1995, there  were  no shares  of 3Com  Preferred  Stock
outstanding.  The 3Com Preferred Stock may be issued from time to time in one or
more series. 3Com's  Board of Directors  has authority to  fix the  designation,
preferences,  and rights of each such series and the qualifications, limitations
and restrictions thereon  and to increase  or decrease the  number of shares  of
such   series  (but  not  below  the  number  of  shares  of  such  series  then
outstanding), without any further vote or action by the shareholders.

RIGHTS PLAN

    In September  1989, the  Board  of Directors  of  3Com declared  a  dividend
distribution of one Common Stock Purchase Right (each a "Right" and collectively
the  "Rights") for  each outstanding  share of  Common Stock,  without par value
("Common Stock"), of 3Com. The distribution  was paid as of September 20,  1989,
to  shareholders of record  on that date  and subsequently to  holders of shares
issued after that date.  On December 13,  1994, the Board  of Directors of  3Com
approved  the  amendment and  restatement of  the  Rights Agreement.  Each Right
entitles the registered holder  to purchase from 3Com  one share of 3Com  Common
Stock at a purchase price of $250 per full share (the "Purchase Price").

    The  description and terms  of the Rights  are set forth  in the Amended and
Restated Rights Agreement dated as of December 21, 1994 (the "Rights Agreement")
between 3Com and The First National Bank of Boston, as the Rights Agent, a  copy
of which is attached to 3Com's Quarterly Report

                                       94
<PAGE>
on  Form 10-Q  filed with the  Commission on  January 13, 1995.  The Rights will
expire December 13, 2004, unless earlier redeemed or exchanged, and will  become
exercisable  and transferable separately  from the Common Stock  only (i) on the
earlier of (A) the acquisition of, or  the public announcement of the intent  of
any  person or group to acquire, without  the approval of the Board of Directors
of 3Com, beneficial  ownership of  20% or more  of the  outstanding 3Com  Common
Stock  ("Acquiring Person"), or (B)  the 10th day (unless  extended by the Board
prior  to  the  time  a  person  becomes  an  Acquiring  Person)  following  the
commencement, or announcement of an intention to commence by any person or group
of  persons, a tender offer which would result in the offeror owning 20% or more
of the outstanding Common Stock of the Company (the earlier of such dates  being
referred to as the "First Distribution Date") or (ii) with respect to any shares
of  Common Stock  issuable upon conversion  of certain convertible  notes of the
Company after the First Distribution Date, on the day immediately following  the
date  on which such notes  are converted into shares  of Common Stock (such date
and the First Distribution Date are collectively referred to as the Distribution
Date).

    If 3Com or  more than 50%  of its assets  is acquired in  a merger or  other
business  combination transaction after the Distribution  Date, each holder of a
Right shall thereafter have the right to purchase, upon payment of the  Purchase
Price,  such number of shares of common  stock of the acquiring company having a
current market value equal to twice the  Purchase Price. If any person or  group
acquires  20% or more of 3Com's Common Stock, or if such 20% shareholder engages
in certain self-dealing transactions (as specified in the Rights Agreement) with
3Com, each holder of Rights other than such 20% shareholder will have the  right
to  purchase upon  payment of the  then current  Purchase Price, in  lieu of one
share of Common  Stock per outstanding  Right, such number  of shares of  Common
Stock  having a market value  at the time of the  transaction equal to twice the
Purchase Price. After any  of these events,  3Com may also  exchange all or  any
portion  of  the  outstanding  Rights,  other  than  Rights  held  by  such  20%
shareholder, for shares of 3Com's Common Stock at an exchange ratio of  one-half
share  of  Common Stock  per  Right, subject  to  the provisions  of  the Rights
Agreement. The Board of Directors  may redeem the Rights  for $.01 per Right  at
any  time prior to  the day a person  or group becomes a  20% shareholder and in
certain other instances. Additionally, the exercise price and the value of stock
that may be acquired for that price are subject to adjustment from time to  time
to prevent dilution.

    The Rights are designed to protect and maximize the value of the outstanding
equity  interests in 3Com in the event  of an unsolicited attempt by an acquiror
to take  over  3Com in  a  manner or  on  terms not  approved  by the  Board  of
Directors.  The  Rights  may have  the  effect  of rendering  more  difficult or
discouraging  an  acquisition  of  3Com  deemed  undesirable  by  the  Board  of
Directors.  The Rights may cause substantial dilution  to a person or group that
attempts to acquire 3Com on terms or in a manner not approved by 3Com's Board of
Directors, except pursuant to an  offer conditioned upon the negation,  purchase
or redemption of the Rights.

                    COMPARISON OF RIGHTS OF HOLDERS OF 3COM
                COMMON STOCK AND HOLDERS OF PRIMARY ACCESS STOCK

    3Com and Primary Access are each incorporated under the laws of the State of
California.  The following  summarizes differences  in the  charter documents of
Primary Access and 3Com that could materially affect the rights of  shareholders
of  Primary Access after consummation of the  Merger. A number of the provisions
of 3Com's  Charter documents  may  have the  effect  of delaying,  deferring  or
preventing a change in control of 3Com.

    ANNUAL  MEETING.    The  3Com  Bylaws  require  that  an  annual  meeting of
shareholders be  held within  three months  following the  close of  the  3Com's
fiscal  year.  The  Primary Access  Bylaws  require that  an  annual shareholder
meeting be held within 30 to 120 days following the close of the Primary  Access
fiscal year.

                                       95
<PAGE>
    ANNUAL  REPORTS.  The 3Com  Bylaws require that an  annual report be sent to
shareholders at least fifteen days prior to the annual meeting of  shareholders.
The  Primary  Access Bylaws  expressly waive  the  requirement of  compiling and
distributing an annual report to shareholders.

    NUMBER OF DIRECTORS.  The 3Com Articles of Incorporation and Bylaws fix  the
authorized  number of directors at eight,  with changes in the authorized number
of directors permitted  by either the  Board of Directors  or the  shareholders,
through  amendment of  either the Bylaws  (if authorizing a  number of directors
between seven  and  eleven, inclusive)  or  the Articles  of  Incorporation.  In
addition,  the  Bylaws  require  that  the  Board  include  not  less  than  two
Independent Directors. The Primary  Access Bylaws fix  the authorized number  of
directors  at a range  from four to six,  with the number  currently set at six,
with changes that do not increase  the authorized number of directors  permitted
by  either the Board of Directors or  the shareholders, through amendment of the
Bylaws (if authorizing a number of  directors between four and six,  inclusive).
Any  amendment  to the  Bylaws to  increase the  authorized number  of directors
requires the consent  of at least  two-thirds of the  holders of Primary  Access
Preferred  Stock.  In  addition,  pursuant to  the  Primary  Access  Articles of
Incorporation, so  long as  any shares  of Primary  Access Preferred  Stock  are
outstanding, the holders of Series E Preferred Stock have the right to elect one
member  of  the Board  of Directors  until  such time  as funds  affiliated with
Enterprise Partners  beneficially  own less  than  475,000 shares  of  Series  E
Preferred Stock.

    CUMULATIVE  VOTING FOR  DIRECTORS.  The  3Com Articles  of Incorporation and
Bylaws do not expressly provide for cumulative voting in director elections. The
Primary Access Bylaws provide that if, prior to voting, one or more  shareholder
has  given notice of his/her intent to cumulate his/her votes, every shareholder
shall have the right to cumulate his/her votes.

    CLASSIFICATION OF DIRECTORS.  The 3Com Articles of Incorporation and  Bylaws
provide  for two classes of directors  elected for staggered two-year terms. The
Articles of  Incorporation and  Bylaws of  Primary Access  limit the  term of  a
director to one year and do not classify the Primary Access Board of Directors.

    DIRECTOR  VOTING.  The 3Com Bylaws provide that unless the authorized number
of directors is one, the number constituting a quorum shall not be less than the
greater of one-third of the authorized number of directors or two directors.  In
addition, if the number of elected directors is an even number, if all directors
are  present  at  a  meeting, and  if  the  directors are  evenly  divided  on a
particular vote, then  the Chairman  of the Board  shall decide  the issue.  The
Primary  Access Bylaws  provide that  a majority  of the  directors constitute a
quorum, but do  not expressly provide  for quorum requirements  or tie  breaking
procedures under the respective circumstances specified above.

    LOANS  TO  OFFICERS.   The  3Com  Bylaws  allow the  Board  of  Directors to
authorize 3Com to make a loan to  or guarantee the obligation of any officer  of
the  corporation without obtaining shareholder approval, provided that the Board
determines such action may reasonably be expected to benefit the corporation and
the number of shareholders of  record on the date of  approval is at least  100.
The Primary Access Bylaws do not contain any similar provisions.

    ADVANCE  NOTICE OF SHAREHOLDER  PROPOSALS.  The 3Com  Bylaws provide that no
matter proposed by 3Com shareholders will be considered at an annual meeting  or
special shareholder meeting unless (1) it is specified in the notice of meeting,
(2)  it is  brought by  or at  the direction  of the  Board of  Directors or (3)
written notice of  such matter is  provided to 3Com  no later than  the date  on
which  shareholder proposals to be included in  the 3Com proxy statement must be
received under  Federal  Securities  laws.  The Primary  Access  Bylaws  do  not
expressly require advance notice of shareholder proposals.

    NOTICE  OF SPECIAL MEETINGS  OF SHAREHOLDERS.  The  3Com Bylaws require that
any person at 3Com, who  is entitled to call  a special meeting of  shareholders
upon proper written request and who receives such request, provide notice to the
shareholders   entitled   to   vote   not   less   than   35   nor   more   than

                                       96
<PAGE>
60 days after receipt of request. The Primary Access Bylaws require that  notice
of  special meetings of shareholders be provided to all shareholders entitled to
vote not less than 10 (or, if notice  is sent by third-class mail, 30) nor  more
than 60 days before the meeting.

    TRANSACTIONS   WITH  INTERESTED   SHAREHOLDERS.     The  3Com   Articles  of
Incorporation require at least a two-third majority of the combined voting power
of all outstanding shares of all outstanding classes and at least a majority  of
the  holders of such stock (other than shares held by an Interested Shareholder)
in order  to approve  any  material business  dealings involving  an  Interested
Shareholder,  unless approved by a  majority of Disinterested Directors. Neither
the Primary  Access Articles  of  Incorporation nor  the Primary  Access  Bylaws
expressly provide for procedures in transactions with Interested Shareholders.

    AMENDMENT  OF CHARTER DOCUMENTS.  Approval  of shareholders holding at least
two thirds of the voting shares of 3Com is required to amend those provisions of
the 3Com Articles  of Incorporation addressing  business combinations and  those
provisions  addressing amendment of the Articles of Incorporation. A majority of
the shareholders of Primary Access can amend any or all of the provisions of the
Primary Access Articles of Incorporation, but, so long as any shares of  Primary
Access  Preferred Stock  are outstanding,  Primary Access  can not,  without the
consent of at least two-thirds of the holders of Primary Access Preferred Stock,
adopt, amend or repeal any provision  of its Articles of Incorporation, if  such
action would alter any of the rights, preferences or privileges of any shares of
any series of its Preferred Stock.

    AMENDMENT  OF  BYLAWS.   The  3Com Bylaws  may be  amended  by holders  of a
majority of voting shares entitled  to vote or by  a majority of the  directors.
The  Primary Access  Bylaws may be  amended by  holders of a  majority of voting
shares entitled to vote or by a  majority of the directors, except that a  Bylaw
amendment changing the authorized number of directors may only be adopted if the
Board  changes the authorized number of directors within the limits specified by
the Bylaws. In addition, so long as any shares of Primary Access Preferred Stock
are outstanding,  Primary  Access can  not,  without  the consent  of  at  least
two-thirds  of the  holders of Primary  Access Preferred Stock,  adopt, amend or
repeal any  provision of  its Bylaws,  if such  action would  alter any  of  the
rights,  preferences or privileges of any shares  of any series of its Preferred
Stock.

    INDEMNIFICATION.  The 3Com Articles of Incorporation and Bylaws provide that
3Com shall indemnify any person to  the full extent permitted by the  California
Corporation  Code in  connection with  claims arising  by reason  of that person
acting as a director,  officer or agent  of 3Com. The  Board of Directors  shall
determine  whether such  person has  met the  applicable standard  of conduct to
establish indemnification under the standards set by the California Corporations
Code. If the Board of Directors find that the person has not met this  standard,
the  issue  will  be  brought  to  a  shareholder  vote.  The  3Com  Articles of
Incorporation authorize  it to  provide insurance  for its  directors,  officers
and/or agents, for breach of duty to the corporation and its shareholders to the
full  extent under California law. The  Primary Access Articles of Incorporation
and Bylaws provide that  Primary Access shall indemnify  any person to the  full
extent  permitted by the California Corporations  Code in connection with claims
arising by reason  of that  person acting  as a  director, officer  or agent  of
Primary  Access. The Primary Access Articles  of Incorporation and Bylaws do not
expressly establish a procedure for  processing indemnification requests nor  do
they expressly authorize insurance for directors, officers and/or agents.

    RESTRICTION  ON SALES OF STOCK.   3Com is a  public company whose shares are
traded on Nasdaq, and as such the  3Com Articles of Incorporation and Bylaws  do
not  provide for any  restrictions on the transfer  of outstanding shares, other
than those imposed by Federal Securities  laws for shares offered under  certain
exempt  transactions.  Primary Access  is  a private  company,  and as  such its
Articles of Incorporation  and Bylaws  provide for various  restrictions on  the
resale or transfer of outstanding stock.

    SHAREHOLDER  RIGHTS  PLAN.    The  Board  of  Directors  of  3Com  adopted a
Shareholder Rights Plan in  September 1989, as amended  in December 1994,  which
provides for distribution of rights to holders of

                                       97
<PAGE>
outstanding  shares of 3Com Common Stock. Primary Access does not have a similar
rights plan. Therefore,  after the  Effective Date,  the shares  of 3Com  Common
Stock  held by former Primary  Access' shareholders will be  subject to the 3Com
Rights Plan.  See "Description  of 3Com  Capital  Stock --  Rights Plan"  for  a
description of the Rights Plan.

                                    EXPERTS

    The consolidated financial statements of 3Com Corporation as of May 31, 1994
and  1993 and  for each  of the  three years  in the  period ended  May 31, 1994
included in  this  Prospectus/Consent  Solicitation Statement  and  the  related
financial  statement schedule included elsewhere  in the Registration Statement,
have been audited by Deloitte &  Touche LLP, independent auditors, as stated  in
their  reports  appearing herein  and elsewhere  in the  Registration Statement,
except for the premerger financial statements  of Star-Tek, Inc. for the  period
stated  below (included in the fiscal  1992 consolidated financial statements of
3Com Corporation), and are  included in reliance upon  the reports of such  firm
given upon their authority as experts in accounting and auditing.

    The  statements of income and retained  earnings and cash flows of Star-Tek,
Inc. for the year ended December 31, 1991 (not separately presented herein) have
been audited by Levine, Zeidman & Daitch, P.C., independent auditors, as  stated
in  their report appearing  herein and included  in reliance upon  the report of
such firm given upon their authority as experts in accounting and auditing.

    The financial statements  and schedule of  Primary Access as  of October  2,
1994 and October 3, 1993, and for the fifty-two weeks ended October 2, 1994, the
fifty-three weeks ended October 3, 1993, and the fifty-two weeks ended September
27, 1992 have been included herein and in the Registration Statement in reliance
upon  the  reports  of  KPMG  Peat  Marwick  LLP,  independent  certified public
accountants, appearing elsewhere herein, and upon the authority of said firm  as
experts in accounting and auditing.

                                 LEGAL MATTERS

    The  validity of the 3Com  Common Stock issuable pursuant  to the Merger and
certain other  legal  matters  relating  to  the  Merger  and  the  transactions
contemplated  thereby  will  be  passed  upon  for  3Com  by  Gray  Cary  Ware &
Freidenrich, A Professional Corporation, Palo Alto, California. Brobeck, Phleger
& Harrison, San  Diego California, is  acting as counsel  for Primary Access  in
connection   with  certain  legal  matters  relating   to  the  Merger  and  the
transactions contemplated thereby.

                                       98
<PAGE>
                         INDEX TO FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                             ---------
<S>                                                                                                          <C>
3COM CORPORATION
Years ended May 31, 1994, 1993 and 1992:
  Report of Deloitte & Touche LLP..........................................................................        F-2
  Report of Levine, Zeidman & Daitch, P.C..................................................................        F-3
  Consolidated Statements of Operations for the Years ended May 31, 1994, 1993
   and 1992................................................................................................        F-4
  Consolidated Balance Sheets at May 31, 1994 and 1993.....................................................        F-5
  Consolidated Statements of Shareholders' Equity for the Years ended May 31, 1994, 1993 and 1992..........        F-6
  Consolidated Statements of Cash Flows for the Years ended May 31, 1994, 1993
   and 1992................................................................................................        F-7
  Notes to Consolidated Financial Statements...............................................................        F-8
  Quarterly Results of Operations..........................................................................       F-18

Six Months ended November 30, 1994 and 1993 (unaudited):
  Condensed Consolidated Balance Sheets at November 30, 1994 and May 31, 1994..............................       F-20
  Condensed Consolidated Statements of Income for the Six Months ended November 30, 1994 and 1993..........       F-21
  Condensed Consolidated Statements of Cash Flows for the Six Months ended November 30, 1994 and 1993......       F-22
  Notes to Condensed Consolidated Financial Statements.....................................................       F-23

PRIMARY ACCESS CORPORATION
Report of KPMG Peat Marwick LLP............................................................................       F-25
Balance Sheets at January 1, 1995 (unaudited), October 2, 1994 and October 3, 1993.........................       F-26
Statements of Operations for the Thirteen Weeks ended January 1, 1995 and January 2, 1994 (unaudited) and
 the Fifty-two Weeks ended October 2, 1994, the Fifty-three Weeks ended October 3, 1993 and the Fifty-three
 Weeks ended September 27, 1992............................................................................       F-27
Statements of Stockholders' Equity (Deficit) for the Thirteen Weeks ended January 1, 1995 (unaudited) and
 the Fifty-two Weeks ended October 2, 1994, the Fifty-three Weeks ended October 3, 1993 and the Fifty-two
 Weeks ended September 27, 1992............................................................................       F-28
Statements of Cash Flows for the Thirteen Weeks ended January 1, 1995 and January 2, 1994 (unaudited) and
 the Fifty-two Weeks ended October 2, 1994, the Fifty-three Weeks ended October 3, 1993 and the Fifty-two
 Weeks ended September 27, 1992............................................................................       F-29
Notes to Financial Statements..............................................................................       F-30
</TABLE>

                                      F-1
<PAGE>
                        REPORT OF DELOITTE & TOUCHE LLP

To the Shareholders and Board of Directors of 3Com Corporation:

    We  have  audited  the  accompanying  consolidated  balance  sheets  of 3Com
Corporation and its subsidiaries as  of May 31, 1994  and 1993, and the  related
consolidated  statements of operations, shareholders' equity, and cash flows for
each of  the three  years in  the period  ended May  31, 1994.  These  financial
statements   are   the   responsibility  of   the   Company's   management.  Our
responsibility is to express an opinion  on these financial statements based  on
our audits. The consolidated financial statements give retroactive effect to the
fiscal  1993  merger of  3Com  Corporation and  Star-Tek,  Inc., which  has been
accounted for  as  a  pooling  of  interests as  described  in  Note  3  to  the
consolidated  financial statements. We  did not audit  the statements of income,
shareholders' equity  and  cash flows  of  Star-Tek,  Inc. for  the  year  ended
December  31, 1991, which statements reflect sales of $15,413,000 and net income
of $5,914,000. Those statements were audited by other auditors whose report  has
been  furnished to  us, and our  opinion, insofar  as it relates  to the amounts
included for  Star-Tek,  Inc., is  based  solely on  the  report of  such  other
auditors.

    We  conducted  our audits  in  accordance with  generally  accepted auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We  believe  that our  audits and  the report  of the  other auditors  provide a
reasonable basis for our opinion.

    In our opinion, based on  our audits and the  report of the other  auditors,
the  accompanying  consolidated  financial  statements  present  fairly,  in all
material  respects,  the  financial  position   of  3Com  Corporation  and   its
subsidiaries  at May 31, 1994 and 1993,  and the results of their operations and
their cash flows for each of the three years in the period ended May 31, 1994 in
conformity with generally accepted accounting principles.

/s/_DELOITTE & TOUCHE LLP
DELOITTE & TOUCHE LLP

San Jose, California
June 15, 1994

                                      F-2
<PAGE>
                    REPORT OF LEVINE, ZEIDMAN & DAITCH, P.C.

To the Board of Directors
Star-Tek, Inc.
Northboro, Massachusetts

    We have audited the accompanying statements of income and retained earnings,
and of cash  flows for the  year ended December  31, 1991 of  Star-Tek, Inc.  (a
Massachusetts corporation). These financial statements are the responsibility of
the  Company's management. Our responsibility is  to express an opinion on these
financial statements based on our audit.

    We conducted  our  audit  in accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence  supporting
the  amounts and disclosures in the financial statements. An audit also includes
assessing the  accounting  principles used  and  significant estimates  made  by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audit provides a reasonable basis of our opinion.

    In our opinion, the financial statements of Star-Tek, Inc. referred to above
present fairly, in all material respects, the results of its operations and  its
cash  flows for the  year ended December  31, 1991 in  conformity with generally
accepted accounting principles.

/s/_LEVINE, ZEIDMAN & DAITCH P.C.
LEVINE, ZEIDMAN & DAITCH, P.C.

Wellesley Hills, Massachusetts
February 24, 1992

                                      F-3
<PAGE>
                                3COM CORPORATION
                     CONSOLIDATED STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                                                      YEARS ENDED MAY 31,
                                                                             -------------------------------------
                                                                                1994         1993         1992
                                                                             -----------  -----------  -----------
                                                                             (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                                          <C>          <C>          <C>
Sales......................................................................  $   826,995  $   617,168  $   423,801
                                                                             -----------  -----------  -----------
Costs and Expenses:
  Cost of sales............................................................      405,927      320,386      224,309
  Sales and marketing......................................................      171,799      137,021       97,997
  Research and development.................................................       76,467       64,346       48,220
  General and administrative...............................................       35,379       33,176       31,190
  Purchased in-process technology..........................................      134,481      --            10,404
  Non-recurring items......................................................      --             1,316      --
                                                                             -----------  -----------  -----------
      Total................................................................      824,053      556,245      412,120
                                                                             -----------  -----------  -----------
Operating income...........................................................        2,942       60,923       11,681
Gain on sale of investment.................................................       17,746      --           --
Other expense -- net.......................................................       (1,150)        (677)        (347)
                                                                             -----------  -----------  -----------
Income before income taxes.................................................       19,538       60,246       11,334
Income tax provision.......................................................       48,232       21,685        4,874
                                                                             -----------  -----------  -----------
Income (loss) before minority interest.....................................      (28,694)      38,561        6,460
Minority interest in net loss of consolidated subsidiary...................      --           --             1,498
                                                                             -----------  -----------  -----------
Net income (loss)..........................................................  $   (28,694) $    38,561  $     7,958
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
Net income (loss) per common and equivalent share:
  Primary..................................................................  $     (0.46) $       .61  $      0.13
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
  Fully-diluted............................................................  $     (0.46) $       .60  $      0.13
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
Common and equivalent shares used in computing per share amounts:
  Primary..................................................................       62,620       63,248       59,858
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
  Fully-diluted............................................................       62,620       64,292       60,574
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
</TABLE>

                See notes to consolidated financial statements.

                                      F-4
<PAGE>
                                3COM CORPORATION
                          CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                                            YEARS ENDED MAY 31,
                                                                                          ------------------------
                                                                                             1994         1993
                                                                                          -----------  -----------
                                                                                           (DOLLARS IN THOUSANDS)
<S>                                                                                       <C>          <C>
                                                      ASSETS
Current Assets:
  Cash and cash equivalents.............................................................  $    66,284  $    40,046
  Temporary cash investments............................................................       63,413       77,184
  Trade receivables, less allowance for doubtful accounts ($10,402 in 1994 and $6,498 in
   1993)................................................................................      118,653       83,481
  Inventories...........................................................................       71,352       68,061
  Deferred income taxes.................................................................       31,236       19,805
  Other.................................................................................       10,134       15,835
                                                                                          -----------  -----------
    Total current assets................................................................      361,072      304,412
Property and equipment -- net...........................................................       67,001       55,248
Other assets............................................................................       16,270        7,918
                                                                                          -----------  -----------
    Total...............................................................................  $   444,343  $   367,578
                                                                                          -----------  -----------
                                                                                          -----------  -----------

                                       LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities:
  Accounts payable......................................................................  $    51,827  $    40,212
  Accrued and other liabilities.........................................................       91,130       58,311
  Income taxes payable..................................................................       19,090        8,637
  Current portion of long-term obligations..............................................          482        1,021
                                                                                          -----------  -----------
    Total current liabilities...........................................................      162,529      108,181
Long-term obligations...................................................................        1,058        1,134
Shareholders' Equity:
  Preferred stock, no par value, 3,000,000 shares authorized; none outstanding..........      --           --
  Common stock, no par value, 200,000,000 shares authorized; shares outstanding: 1994 --
   65,052,900; 1993 -- 61,700,754.......................................................      219,937      154,958
  Unamortized restricted stock grants...................................................         (202)     --
  Retained earnings.....................................................................       61,326      103,163
  Accumulated translation adjustments...................................................         (305)         142
                                                                                          -----------  -----------
    Total shareholders' equity..........................................................      280,756      258,263
                                                                                          -----------  -----------
    Total...............................................................................  $   444,343  $   367,578
                                                                                          -----------  -----------
                                                                                          -----------  -----------
</TABLE>

                See notes to consolidated financial statements.

                                      F-5
<PAGE>
                                3COM CORPORATION
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

<TABLE>
<CAPTION>
                                                                     UNAMORTIZED
                                                                  RESTRICTED STOCK
                                                                  GRANTS AND NOTES
                                                COMMON STOCK       RECEIVABLE FROM                 ACCUMULATED
                                            --------------------   SALE OF COMMON     RETAINED     TRANSLATION
                                             SHARES     AMOUNT          STOCK         EARNINGS     ADJUSTMENTS     TOTAL
                                            ---------  ---------  -----------------  -----------  -------------  ---------
                                                                            (IN THOUSANDS)
<S>                                         <C>        <C>        <C>                <C>          <C>            <C>
Balances, June 1, 1991....................     54,406  $ 119,760      $     (24)      $  73,206     $     725    $ 193,667
  Common stock issued under stock plans...      2,787     10,876           (131)                                    10,745
  Stock warrants issued...................                 1,400                                                     1,400
  Repurchase of common stock..............     (1,982)    (4,477)                        (6,102)                   (10,579)
  Repayment of note receivable............                                   21                                         21
  Tax benefit from employee stock
   transactions...........................                 1,504                                                     1,504
  Amortization of restricted stock
   grants.................................                                   11                                         11
  Stock dividend of pooled entity.........      3,466                                                               --
  Pro forma tax provision of pooled
   entity.................................                                                2,092                      2,092
  Equity distributions of pooled entity...                                               (5,800)                    (5,800)
  Interest accrued on notes receivable....                                    3                                          3
  Accumulated translation adjustments.....                                                              1,403        1,403
  Net income..............................                                                7,958                      7,958
                                            ---------  ---------         ------      -----------  -------------  ---------
Balances, June 1, 1992....................     58,677    129,063           (120)         71,354         2,128      202,425
  Common stock issued under stock plans...      4,764     19,413                                                    19,413
  Stock warrants buyback..................                (1,300)                                                   (1,300)
  Repurchase of common stock..............     (1,720)    (4,042)                        (5,340)                    (9,382)
  Tax benefit from employee stock
   transactions...........................                11,955                                                    11,955
  Cancellation of restricted stock
   grants.................................        (20)      (131)           120                                        (11)
  Pro forma tax provision of pooled
   entity.................................                                                1,604                      1,604
  Equity distributions of pooled entity...                                               (5,179)                    (5,179)
  Adjustment to conform fiscal year of
   pooled entity..........................                                                2,163                      2,163
  Accumulated translation adjustments.....                                                             (1,986)      (1,986)
  Net income..............................                                               38,561                     38,561
                                            ---------  ---------         ------      -----------  -------------  ---------
Balances, June 1, 1993....................     61,701    154,958         --             103,163           142      258,263
  Common stock issued under stock plans...      4,752     22,917           (255)                                    22,662
  Repurchase of common stock..............     (1,400)    (3,501)                       (13,143)                   (16,644)
  Tax benefit from employee stock
   transactions...........................                24,474                                                    24,474
  Amortization of restricted stock
   grants.................................                                   53                                         53
  Stock options assumed in connection with
   acquisitions...........................                21,089                                                    21,089
  Accumulated translation adjustments.....                                                               (447)        (447)
  Net loss................................                                              (28,694)                   (28,694)
                                            ---------  ---------         ------      -----------  -------------  ---------
Balances, May 31, 1994....................     65,053  $ 219,937      $    (202)      $  61,326     $    (305)   $ 280,756
                                            ---------  ---------         ------      -----------  -------------  ---------
                                            ---------  ---------         ------      -----------  -------------  ---------
</TABLE>

                See notes to consolidated financial statements.

                                      F-6
<PAGE>
                                3COM CORPORATION
                     CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                                                         YEARS ENDED MAY 31,
                                                                                   -------------------------------
                                                                                     1994       1993       1992
                                                                                   ---------  ---------  ---------
                                                                                       (DOLLARS IN THOUSANDS)
<S>                                                                                <C>        <C>        <C>
Cash flows from operations:
  Net income (loss)..............................................................  $ (28,694) $  38,561  $   7,958
  Adjustments to reconcile net income (loss) to cash provided by operations:
    Depreciation and amortization................................................     30,610     25,135     21,660
    Gain on sale of investment...................................................    (17,746)    --         --
    Deferred income taxes........................................................     (9,865)    (3,523)     1,581
    Purchased in-process technology..............................................    134,481     --         10,404
    Minority interest............................................................     --         --         (1,498)
    Adjustment to conform fiscal year of pooled entity...........................     --          2,163     --
    Pro forma provision for income taxes.........................................     --          1,604      2,092
    Non-cash restructuring costs.................................................     --         (3,346)    --
    Changes in assets and liabilities net of effects of acquisitions:
      Trade receivables..........................................................    (30,045)   (20,991)      (432)
      Inventories................................................................      1,637    (19,139)    (9,982)
      Other current assets.......................................................      6,190     (3,889)    (1,480)
      Accounts payable...........................................................      8,886     11,525      5,573
      Accrued and other liabilities..............................................     (2,461)     6,016    (11,140)
      Income taxes payable.......................................................     34,927     17,618      3,487
                                                                                   ---------  ---------  ---------
Net cash provided by operations..................................................    127,920     51,734     28,223
                                                                                   ---------  ---------  ---------
Cash flows from investment activities:
  Proceeds from sale of investment...............................................     18,066     --         --
  Purchase of property and equipment.............................................    (36,474)   (22,263)   (21,783)
  Purchase of temporary cash investments.........................................    (76,841)   (72,962)   (33,423)
  Proceeds from temporary cash investments.......................................     90,612     40,496     67,815
  Acquisition of businesses and related purchase-price adjustment................    (98,128)     2,946    (25,000)
  Other -- net...................................................................     (3,020)       908        528
                                                                                   ---------  ---------  ---------
Net cash used for investment activities..........................................   (105,785)   (50,875)   (11,863)
                                                                                   ---------  ---------  ---------
Cash flows from financing activities:
  Sale of stock..................................................................     22,662     19,413     10,769
  Repurchase of common stock.....................................................    (16,644)    (9,382)   (10,579)
  Repurchase of stock warrants...................................................     --         (1,300)    --
  Notes payable..................................................................     --          3,326      4,795
  Repayments of notes payable and capital lease obligations......................     (1,462)      (513)      (429)
Equity distributions of pooled entity............................................     --         (5,179)    (5,800)
  Other -- net...................................................................       (453)    (1,872)       268
                                                                                   ---------  ---------  ---------
Net cash provided by (used for) financing activities.............................      4,103      4,493       (976)
                                                                                   ---------  ---------  ---------
Increase in cash and cash equivalents............................................     26,238      5,352     15,384
                                                                                   ---------  ---------  ---------
Cash and cash equivalents at beginning of year...................................     40,046     34,694     19,310
                                                                                   ---------  ---------  ---------
Cash and cash equivalents at end of year.........................................  $  66,284  $  40,046  $  34,694
                                                                                   ---------  ---------  ---------
                                                                                   ---------  ---------  ---------
Other cash flow information:
  Interest paid..................................................................  $      66  $     254  $     245
  Income taxes paid (refunded)...................................................     21,614      5,910     (7,267)
  Non-cash investing and financing activities --
   Property and equipment acquired under capital leases..........................     --         --          2,062
</TABLE>

------------------------
    In connection with the acquisitions in fiscal 1994 (see Note 3), the Company
paid  cash, net of cash acquired, of $98.1 million plus $14.3 million payable in
August 1994, and recorded  non-cash value of options  assumed of $21.1  million.
The  fair  value  of assets  acquired,  excluding the  $132.1  million purchased
in-process technology charged to operations, was $35.6 million, and  liabilities
of $11.3 million were assumed.

    In  connection with the acquisition in fiscal 1992 (see Note 3), the Company
paid cash of $25  million (subsequently adjusted to  $22 million), issued  stock
warrants  with an estimated value of $1.4 million (subsequently repurchased) and
assumed liabilities of $13.9 million.

                See notes to consolidated financial statements.

                                      F-7
<PAGE>
                                3COM CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 1:  DESCRIPTION OF BUSINESS
    Founded in 1979, 3Com Corporation pioneered the data networking industry and
is  committed to providing  customers global access  to information. Today, 3Com
offers a broad range of ISO 9000-compliant global data networking solutions that
include routers, hubs, switches and adapters for Ethernet, Token Ring, FDDI  and
ATM  networks. Headquartered in  Santa Clara, California, 3Com  is a Fortune 500
company with worldwide research and development, manufacturing, marketing, sales
and support capabilities.

NOTE 2:  SIGNIFICANT ACCOUNTING POLICIES

    PRINCIPLES OF CONSOLIDATION.  The consolidated financial statements  include
the   accounts  of   3Com  Corporation   and  its   wholly-  and  majority-owned
subsidiaries.  All  significant  intercompany  balances  and  transactions   are
eliminated in consolidation.

    CASH EQUIVALENTS are highly liquid debt investments acquired with a maturity
of three months or less.

    TEMPORARY CASH INVESTMENTS consist of short-term investments stated at cost.

    FINANCIAL  INSTRUMENTS.    The  Company has  not  yet  adopted  Statement of
Financial Accounting Standards  No. 115, "Accounting  for Investments: Debt  and
Equity  Securities".  The  Company  believes that  the  carrying  values  of its
financial instruments approximate their fair value, and the adoption of this new
standard in the first quarter of fiscal 1995 will not have a significant  impact
on the consolidated financial position or results of operations.

    CONCENTRATIONS  OF  CREDIT RISK.    Financial instruments  which potentially
subject the  Company to  concentrations of  credit risk  consist principally  of
investments  and trade receivables.  The Company invests  in instruments with an
investment credit  rating  of  AA  and  better.  The  Company  also  places  its
investments  for safekeeping  with a  high-credit-quality financial institution.
Credit risk with respect  to trade receivables is  generally diversified due  to
the  large number of  entities comprising the Company's  customer base and their
dispersion across many different industries  and geographies. The Company  often
sells  its  products through  third-party distributors,  and,  as a  result, may
maintain individually significant receivable  balances with major  distributors.
The  Company  believes  that  its  credit  evaluation,  approval  and monitoring
processes substantially mitigate potential credit risks.

    INVENTORIES are stated  at the  lower of standard  cost (which  approximates
first-in, first-out cost) or market.

    PROPERTY  AND EQUIPMENT is stated at cost. Equipment under capital leases is
stated at the lower  of fair market  value or the present  value of the  minimum
lease payments at the inception of the lease.

    PURCHASED  TECHNOLOGY is included in other  assets and is amortized over 2-4
years.

    DEPRECIATION AND AMORTIZATION are computed over the shorter of the estimated
useful lives, lease  terms, or  terms of  license agreements  of the  respective
assets,  on a straight-line  basis -- generally  2-7 years with  buildings at 25
years.

    REVENUE RECOGNITION.   The Company  recognizes revenue  and accrues  related
royalty  and warranty  expenses upon  shipment. Revenue  from variable royalties
pursuant  to  license  agreements  is  recognized  upon  receipt.  Service   and
subscription  revenue is  recognized over  the term  of the  related contractual
period.

    DEVELOPMENT  COSTS.    Development  costs  incurred  in  the  research   and
development  of  new software  products  and enhancements  to  existing software
products are expensed as incurred until

                                      F-8
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 2:  SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
technological feasibility has been established. The Company believes its current
process for developing software is  essentially completed concurrently with  the
establishment of technological feasibility; accordingly, software costs incurred
after  the establishment of technological feasibility have not been material and
therefore have been expensed.

    INCOME TAXES.   The Company  accounts for  income taxes  under Statement  of
Financial  Accounting  Standards No.  109, "Accounting  for Income  Taxes" which
requires an asset and liability approach to account for income taxes.

    FOREIGN CURRENCY  TRANSLATIONS.    For foreign  operations  with  the  local
currency  as the functional  currency, assets and  liabilities are translated at
year-end exchange  rates, and  statements of  operations are  translated at  the
average  exchange rates during the year.  Gains or losses resulting from foreign
currency translation are  accumulated as a  separate component of  shareholders'
equity.

    For  foreign operations  with the  U.S. dollar  as the  functional currency,
assets and liabilities are translated at the year-end exchange rates except  for
inventories,  prepaid expenses, and property and equipment, which are translated
at historical exchange  rates. Statements  of operations are  translated at  the
average  exchange rates  during the  year except  for those  expenses related to
balance sheet amounts that are translated using historical exchange rates. Gains
or losses  resulting from  foreign currency  translation are  included in  other
expense -- net in the statements of operations.

    NET  INCOME (LOSS)  PER COMMON  AND EQUIVALENT  SHARE is  computed using the
weighted average number of common shares outstanding and the dilutive effects of
stock options, using the treasury stock method. All share and per share  amounts
have been restated to reflect the two-for-one stock split.

    RECLASSIFICATIONS.   Certain  prior year  amounts have  been reclassified to
conform to the current year presentation.

NOTE 3:  BUSINESS COMBINATIONS
    On January 14, 1994, the Company  acquired all of the outstanding shares  of
Synernetics,  Inc. ("Synernetics") and assumed all outstanding Synernetics stock
options. The purchase price consisted of approximately $104.0 million plus  $3.3
million  of stock options. A substantial portion  of the purchase price was paid
using funds from the  Company's working capital. Synernetics  is engaged in  the
development, manufacturing and marketing of LAN switching products.

    On  March 3,  1994, the  Company acquired all  of the  outstanding shares of
Centrum Communications,  Inc. ("Centrum")  and assumed  all outstanding  Centrum
stock  options. The purchase  price consisted of  approximately $36.0 million of
which $16.0 million was paid in cash and $14.3 million is payable in August 1994
and the remainder was  associated with the value  of the assumed stock  options.
Centrum  is engaged  in the development,  manufacturing and  marketing of remote
access products and technology.

    The acquisitions  were  accounted for  as  purchases and,  accordingly,  the
acquired  assets and liabilities were recorded at their estimated fair values at
the dates of acquisition.  The aggregate purchase price  of $143.3 million  plus
$13.1   million  of  costs  directly  attributable  to  the  completion  of  the
acquisitions  has  been  allocated  to  the  assets  and  liabilities  acquired.
Approximately  $132.1 million of the total purchase price represented in-process
technology that had not yet reached technological feasibility and was charged to
the Company's operations.

                                      F-9
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 3:  BUSINESS COMBINATIONS (CONTINUED)
    The Company's  consolidated  results  of operations  include  the  operating
results of the acquired companies since their acquisition dates.

    The  following table summarizes the unaudited  pro forma combined results of
operations for the years ended May 31, 1994 and 1993 as if the acquisitions  had
occurred at the beginning of each of the periods presented:

<TABLE>
<CAPTION>
                                                                                            YEARS ENDED MAY 31,
                                                                                          ------------------------
                                                                                             1994         1993
                                                                                          -----------  -----------
                                                                                                (UNAUDITED)
                                                                                           (IN THOUSANDS, EXCEPT
                                                                                             PER SHARE AMOUNTS)
<S>                                                                                       <C>          <C>
Sales...................................................................................  $   838,953  $   628,546
Net income..............................................................................  $    96,033  $    33,623
Net income per share:
  Primary...............................................................................  $      1.42  $       .52
  Fully-diluted.........................................................................  $      1.40  $       .52
Shares used in computing per share amounts:
  Primary...............................................................................       67,434       64,132
  Fully-diluted.........................................................................       68,360       64,618
</TABLE>

    The  above table includes, on a  pro forma basis, the Company's consolidated
financial information  for  the  year  ended May  31,  1994  combined  with  the
financial information of Synernetics and Centrum for the same twelve months. The
Company's  consolidated financial information for the year ended May 31, 1993 is
combined with  the financial  information  of Synernetics  and Centrum  for  the
twelve  months ended June 30, 1993. The above table excludes the one-time $132.1
million  charge  for   purchased  in-process  technology   arising  from   these
acquisitions  as it was a material non-recurring charge. This charge is included
in the actual consolidated  statement of operations for  the year ended May  31,
1994.

    The  unaudited pro  forma combined results  of operations  are presented for
illustrative purposes only and are  not necessarily indicative of the  operating
results  that would have  occurred had the acquisitions  been consummated at the
beginning of  the periods  presented,  nor are  they necessarily  indicative  of
future operating results.

    On  January 29,  1993, the Company  acquired Star-Tek,  Inc. ("Star-Tek") by
issuing approximately  3.48  million shares  of  common  stock for  all  of  the
outstanding shares of Star-Tek.

    Star-Tek  designs, manufactures and  markets a range  of Token Ring products
focused primarily on  the connectivity  needs of larger  organizations with  IBM
mainframe,   mid-range  and  Token  Ring   LAN-based  information  systems.  The
acquisition was  accounted  for  by the  pooling-of-interests  method.  Star-Tek
maintained  its  financial records  on  a fiscal  year  ending December  31. The
consolidated statements of operations and cash flows for the year ended May  31,
1992  include the Star-Tek statements of operations  and cash flows for the year
ended December 31, 1991.

    The results of operations  of Star-Tek for the  five-month period ended  May
31,  1992 reflected net income  of $1.6 million and  pro-forma tax adjustment of
$595,000, the sum of  which has been  reported as an  increase in the  Company's
fiscal 1993 retained earnings.

    In  January 1992, the Company acquired the data networking products business
of U.K.-based BICC  Group, plc.  This acquisition has  been accounted  for as  a
purchase  and, accordingly, the acquired assets and liabilities were recorded at
their   estimated   fair    values   at   the    date   of   acquisition.    The

                                      F-10
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 3:  BUSINESS COMBINATIONS (CONTINUED)
acquisition  price consisted of approximately $22  million in cash and a warrant
to purchase 1,000,000 shares  of the Company's common  stock. The stock  warrant
was  subsequently repurchased by the Company. Approximately $10.4 million of the
purchase price  represented  in-process  technology that  had  not  yet  reached
technological  feasibility  and was  charged  to the  Company's  operations. The
Company's consolidated results  of operations include  the operating results  of
the acquired business from the January 31, 1992 date of acquisition.

NOTE 4:  LICENSE
    In the third quarter of fiscal 1994, the Company licensed certain in-process
wireless  technology  from Pacific  Monolithics, Inc.  This technology  is still
under development and,  accordingly, $2.4 million  of the $2.5  million cost  of
obtaining  this  license represented  in-process technology  and was  charged to
operations in the third quarter of fiscal 1994.

NOTE 5:  NON-RECURRING ITEMS
    Non-recurring items for the year ended May 31, 1993 consists of the net cost
of a litigation settlement of  $3.6 million (see Note  15), and merger costs  of
$1.0  million related to the  acquisition of Star-Tek (see  Note 3), offset by a
reduction in accrued restructuring costs of  $3.3 million in the fourth  quarter
of fiscal 1993 based on revised estimates of future costs.

NOTE 6:  FOREIGN EXCHANGE CONTRACTS
    The  Company enters into foreign exchange contracts to hedge certain balance
sheet exposures and  intercompany balances against  future movements in  foreign
exchange  rates. Gains and losses on the foreign exchange contracts are included
in other expense  -- net,  which offset foreign  exchange gains  or losses  from
revaluation of foreign currency-denominated balance sheet items and intercompany
balances.

    At  May  31, 1994  and 1993,  the Company  had outstanding  foreign exchange
contracts of  $14.6  million  and $14.0  million,  respectively.  The  contracts
require  the Company  to exchange  foreign currencies  for U.S.  dollars or vice
versa, and generally mature in one month.

NOTE 7:  INVENTORIES
    Inventories at May 31 consist of:

<TABLE>
<CAPTION>
                                                                           1994       1993
                                                                         ---------  ---------
                                                                             (DOLLARS IN
                                                                              THOUSANDS)
<S>                                                                      <C>        <C>
Finished goods.........................................................  $  44,770  $  41,331
Work-in-process........................................................      8,232      4,912
Raw materials..........................................................     18,350     21,818
                                                                         ---------  ---------
    Total..............................................................  $  71,352  $  68,061
                                                                         ---------  ---------
                                                                         ---------  ---------
</TABLE>

                                      F-11
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 8:  PROPERTY AND EQUIPMENT
    Property and equipment at May 31 consists of:

<TABLE>
<CAPTION>
                                                                          1994        1993
                                                                       -----------  ---------
                                                                       (DOLLARS IN THOUSANDS)
<S>                                                                    <C>          <C>
Land.................................................................  $     1,303  $   1,303
Building.............................................................        7,372      7,372
Machinery and equipment..............................................      122,892     89,830
Furniture and fixtures...............................................       14,591     12,476
Leasehold improvements...............................................       15,446     14,604
Construction in progress.............................................      --             756
                                                                       -----------  ---------
    Total............................................................      161,604    126,341
Accumulated depreciation and amortization............................      (94,603)   (71,093)
                                                                       -----------  ---------
    Property and equipment -- net....................................  $    67,001  $  55,248
                                                                       -----------  ---------
                                                                       -----------  ---------
</TABLE>

NOTE 9:  ACCRUED AND OTHER LIABILITIES

    Accrued and other liabilities at May 31 consist of:

<TABLE>
<CAPTION>
                                                                           1994       1993
                                                                         ---------  ---------
                                                                             (DOLLARS IN
                                                                              THOUSANDS)
<S>                                                                      <C>        <C>
Accrued payroll and related expenses...................................  $  21,387  $  16,671
Accrued product warranty...............................................     13,686     10,553
Accrued cooperative advertising........................................     11,544      7,885
Accrued payment to Centrum shareholders................................     14,267     --
Other accrued liabilities..............................................     30,246     23,202
                                                                         ---------  ---------
Accrued and other liabilities..........................................  $  91,130  $  58,311
                                                                         ---------  ---------
                                                                         ---------  ---------
</TABLE>

NOTE 10:  BORROWING ARRANGEMENTS AND COMMITMENTS
    The Company has a $40 million revolving bank credit agreement which  expires
on  December 31, 1996. Under the agreement, the Company may select among various
interest rate  options,  including  borrowing  at the  bank's  prime  rate.  The
agreement  requires  that  the  Company maintain  certain  financial  ratios and
minimum net worth and restricts payment of cash dividends. At May 31, 1994,  all
such  requirements were met  and there were no  outstanding borrowings under the
agreement.

    The Company has guaranteed borrowings of its former Japanese joint  venture,
3Com K.K., of 450 million Yen or approximately $4.3 million as of May 31, 1994.

    3Com  Development  Corporation,  a  wholly-owned subsidiary  of  3Com,  is a
limited partner in a lease/joint venture arrangement to acquire and develop  the
Company's corporate offices in Santa Clara, which were initially occupied in the
first  quarter of fiscal 1991. Future minimum lease payments are included in the
table below.

    The Company  has  signed  an agreement  with  a  third party  to  lease  the
buildings  to  be built  on land  adjacent to  the Company's  existing corporate
offices in Santa Clara.  The estimated date of  occupancy is April 1996.  Future
minimum lease payments are included in the table below.

    The  Company  leases its  facilities and  certain equipment  under operating
leases. Leases expire at  various dates from 1995  to 2013 and certain  facility
leases  have renewal  options with  rentals based  upon changes  in the Consumer
Price Index or the fair market rental value of the property.

                                      F-12
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

    Future operating lease commitments are as follows:

<TABLE>
<CAPTION>
                                                                              (DOLLARS IN
FISCAL YEAR                                                                    THOUSANDS)
------------------------------------------------------------------------
<S>                                                                       <C>
1995....................................................................       $   14,302
1996....................................................................           13,471
1997....................................................................           12,230
1998....................................................................           10,261
1999....................................................................           10,145
Thereafter..............................................................           16,984
                                                                                 --------
    Total...............................................................       $   77,393
                                                                                 --------
                                                                                 --------
</TABLE>

    Rent  expense was $13.5 million, $13.4 million, and $13.8 million for fiscal
1994, 1993, and 1992, respectively.

NOTE 11:  COMMON STOCK

    SHAREHOLDER RIGHTS  PLAN.    In  September  1989,  the  Company's  Board  of
Directors  approved  a  stock  purchase  rights  plan  and  declared  a dividend
distribution of one common  stock purchase right for  each outstanding share  of
its  common  stock.  The  rights become  exercisable  based  on  certain limited
conditions related to acquisitions of stock, tender offers and certain  business
combination  transactions  of the  Company. Initially,  each right  entitles the
shareholder to buy one-half share of  the Company's common stock at an  exercise
price  of $25. The  rights are redeemable  at the Company's  option for $.01 per
right and expire on September 19, 1999.

    STOCK OPTION  PLANS.    The  Company has  stock  option  plans  under  which
employees and directors may be granted options to purchase common stock. Options
are generally granted at not less than the fair market value at grant date, vest
over a four-year period, and expire ten years after the grant date.

    A summary of option transactions under the plans follows:

<TABLE>
<CAPTION>
                                                              YEARS ENDED MAY 31,
                                                  --------------------------------------------
                                                       1994            1993           1992
                                                  --------------  --------------  ------------
                                                     (IN THOUSANDS EXCEPT PRICE PER SHARE)
<S>                                               <C>             <C>             <C>
Number of option shares:
Granted and assumed.............................           4,700           4,110         3,672
Exercised.......................................          (3,718)         (3,656)       (1,824)
Cancelled.......................................            (422)           (642)       (1,346)
Outstanding at end of year......................          12,300          11,740        11,928
Option price per share:
Granted and assumed.............................  $   0.44-30.88  $   5.00-19.69  $  3.50-7.19
Exercised.......................................      0.44-25.88      2.82-17.50     3.00-5.88
Cancelled.......................................      0.45-28.19      3.32-17.55     3.00-9.94
Outstanding at end of year......................  $   0.44-30.88  $   2.82-19.69  $  2.82-7.19
</TABLE>

    In  connection with  the Synernetics  and Centrum  acquisitions discussed in
Note 3, the Company assumed certain outstanding options to purchase common stock
of the acquired  companies and  exchanged them  for options  to acquire  858,000
shares  of the Company's common stock at  exercise prices of $0.44 to $11.63 per
share.

    At May  31, 1994,  options  for 4.6  million  shares were  exercisable,  3.8
million  shares were available  for future grants, and  16.1 million shares were
reserved for issuance under the stock option plans.

                                      F-13
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 11:  COMMON STOCK (CONTINUED)
    EMPLOYEE STOCK PURCHASE PLAN.   The Company has  an employee stock  purchase
plan,  under which eligible employees may  authorize payroll deductions of up to
10 percent of  their compensation  (as defined) to  purchase common  stock at  a
price  equal to  85 percent of  the lower  of the fair  market values  as of the
beginning or the end of the offering period. At May 31, 1994, 1.3 million shares
of common stock were reserved for issuance under this plan.

    RESTRICTED STOCK PLAN.  The Company has a Restricted Stock Plan, under which
200,000 shares of  common stock were  reserved for  issuance at no  cost to  key
employees.  The shares are  issued at the fair  market value on  the date of the
grant. The fair market value of shares granted to an eligible participant cannot
exceed 50  percent  of the  base  salary of  the  eligible participant  and  any
compensation expense is recognized as the granted shares vest over a one to four
year  period. In fiscal  1994, 10,000 shares  of common stock  were issued under
this plan. At May 31, 1994, 190,000 shares were reserved for future issuance.

    STOCK REPURCHASE PROGRAM.  The Board of Directors has authorized the Company
to  repurchase  up  to  15.0  million   shares  of  common  stock.  Under   this
authorization,  11.4 million  shares have been  repurchased and  the Company may
repurchase up to an additional 3.6 million shares of common stock.

NOTE 12:  OTHER EXPENSE -- NET
    Other Expense -- net consists of:

<TABLE>
<CAPTION>
                                                                1994       1993       1992
                                                              ---------  ---------  ---------
                                                                  (DOLLARS IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Interest income.............................................  $   3,954  $   3,602  $   5,080
Provision for doubtful accounts.............................     (4,459)    (1,995)    (3,683)
Other.......................................................       (645)    (2,284)    (1,744)
                                                              ---------  ---------  ---------
    Total...................................................  $  (1,150) $    (677) $    (347)
                                                              ---------  ---------  ---------
                                                              ---------  ---------  ---------
</TABLE>

    Other includes gains,  losses and  transaction costs  from foreign  exchange
transactions and property and equipment dispositions.

NOTE 13:  INCOME TAXES
    The provision for income taxes consists of:

<TABLE>
<CAPTION>
                                                               1994       1993       1992
                                                             ---------  ---------  ---------
                                                                 (DOLLARS IN THOUSANDS)
<S>                                                          <C>        <C>        <C>
Current:
  Federal..................................................  $  31,761  $  13,786  $   2,721
  State....................................................      7,862      3,110        623
  Foreign..................................................     16,771      8,293        (39)
                                                             ---------  ---------  ---------
    Total current..........................................     56,394     25,189      3,305
                                                             ---------  ---------  ---------
Deferred:
  Federal..................................................     (9,266)    (1,658)     3,109
  Foreign..................................................      1,104     (1,846)    (1,540)
                                                             ---------  ---------  ---------
    Total deferred.........................................     (8,162)    (3,504)     1,569
                                                             ---------  ---------  ---------
    Total..................................................  $  48,232  $  21,685  $   4,874
                                                             ---------  ---------  ---------
                                                             ---------  ---------  ---------
</TABLE>

                                      F-14
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 13:  INCOME TAXES (CONTINUED)
    Deferred  and prepaid income taxes,  which result from temporary differences
in the  recognition of  revenue  and expense  for  tax and  financial  reporting
purposes, consist of:

<TABLE>
<CAPTION>
                                                                1994       1993       1992
                                                              ---------  ---------  ---------
                                                                  (DOLLARS IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Tax depreciation and operating lease expenses...............  $    (397) $  (1,354) $  (1,228)
Reserves not recognized for tax purposes....................     (8,538)    (1,323)     4,132
DISC commission.............................................     --           (194)      (209)
Alternative minimum tax credits.............................       (363)       573       (936)
Other.......................................................      1,136     (1,206)      (190)
                                                              ---------  ---------  ---------
    Total...................................................  $  (8,162) $  (3,504) $   1,569
                                                              ---------  ---------  ---------
                                                              ---------  ---------  ---------
</TABLE>

    The components of the net deferred tax asset consist of:

<TABLE>
<CAPTION>
                                                                           1994       1993
                                                                         ---------  ---------
                                                                             (DOLLARS IN
                                                                              THOUSANDS)
<S>                                                                      <C>        <C>
Deferred tax assets:
  Depreciation and amortization........................................  $   5,686  $   5,117
  Reserves not recognized for tax purposes.............................     31,483     21,699
  Deferred tax assets of acquired businesses...........................      1,703     --
  Other................................................................        (87)       815
  Alternative minimum tax credits......................................     --            363
  Valuation allowance..................................................     (6,097)    (5,171)
                                                                         ---------  ---------
    Total deferred tax asset...........................................  $  32,688  $  22,823
                                                                         ---------  ---------
                                                                         ---------  ---------
Deferred tax liabilities --
  Other................................................................        (25)       (25)
                                                                         ---------  ---------
Net deferred tax asset.................................................  $  32,663  $  22,798
                                                                         ---------  ---------
                                                                         ---------  ---------
</TABLE>

    Valuation allowance relates primarily to expenses, the deduction of which is
not  assured  on  future state  income  tax  returns. The  net  increase  in the
valuation allowance in fiscal  1994, 1993, and 1992  was $926,000, $1.1  million
and $408,000, respectively.

    Tax  carryforwards  of  acquired  businesses  consist  of  $4.6  million and
$739,000 of net operating loss and tax credit carryforwards, respectively,  that
expire in 2004 through 2008.

                                      F-15
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 13:  INCOME TAXES (CONTINUED)
    The  provision for income taxes differs from the amount computed by applying
the federal statutory income tax rate to income before taxes as follows:

<TABLE>
<CAPTION>
                                                                    1994         1993         1992
                                                                 -----------  -----------  -----------
<S>                                                              <C>          <C>          <C>
Tax computed at federal statutory rate.........................       35.0%        34.0%        34.0%
State income taxes, net of federal effect......................        3.0          3.4          3.6
Foreign sales corporation......................................       (5.2)        (1.3)        (3.6)
Tax exempt investment income...................................       (5.7)        (1.5)       (13.0)
Foreign losses without benefits of carryovers or carrybacks....      --           --            11.8
Difference between federal statutory rate and foreign effective
 rates.........................................................       (7.5)        (0.4)        (1.8)
Research tax credits...........................................       (8.7)        (0.2)        (6.9)
Non-deductible purchased in-process technology.................      241.5        --            18.7
Effect of tax law changes......................................       (6.4)       --           --
Other..........................................................         .9          2.0          0.2
                                                                     -----          ---        -----
    Total......................................................      246.9%        36.0%        43.0%
                                                                     -----          ---        -----
                                                                     -----          ---        -----
</TABLE>

    Income before income taxes for the years ended 1994, 1993, and 1992  include
income  (loss)  of $58.2  million, $18.7  million and  $(10.9 million)  from the
Company's foreign subsidiaries. The Company has not provided for federal  income
taxes  on $27.9 million of undistributed earnings of foreign subsidiaries, which
the Company intends to reinvest  in subsidiary operations indefinitely. If  such
undistributed  earnings were to be remitted,  the related tax liability would be
approximately $1.9 million.

NOTE 14:  GEOGRAPHIC AREA INFORMATION
    The Company operates in a single industry segment: the design,  manufacture,
marketing,  and  support  of  data  networking  systems.  The  Company's foreign
operations  consist   of   central  distribution   and   order   administration,
manufacturing  and research  and development  facilities in  Western Europe, and
sales and marketing activities  conducted through sales subsidiaries  throughout
the world.

                                      F-16
<PAGE>
                                3COM CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE YEARS ENDED DECEMBER 31, 1994, 1993 AND 1992

NOTE 14:  GEOGRAPHIC AREA INFORMATION (CONTINUED)
    Sales,  operating income  and identifiable  assets, classified  by the major
geographic areas in which the Company operates, are as follows:

<TABLE>
<CAPTION>
                                                            1994         1993         1992
                                                         -----------  -----------  -----------
                                                                (DOLLARS IN THOUSANDS)
<S>                                                      <C>          <C>          <C>
Revenues from unaffiliated customers:
  United States........................................  $   399,836  $   308,879  $   223,947
  Export sales from United States......................      103,127       69,237       94,305
  Europe...............................................      324,032      224,891       98,650
  Other................................................      --            14,161        6,899
                                                         -----------  -----------  -----------
    Total..............................................  $   826,995  $   617,168  $   423,801
                                                         -----------  -----------  -----------
                                                         -----------  -----------  -----------
Transfers from geographic areas
 (eliminated in consolidation):
  United States........................................  $   112,418  $   101,570  $    56,690
  Europe...............................................       52,595       39,920       12,567
  Other................................................      --            23,354        4,356
                                                         -----------  -----------  -----------
    Total..............................................  $   165,013  $   164,844  $    73,613
                                                         -----------  -----------  -----------
                                                         -----------  -----------  -----------
Operating income (loss):
  United States........................................  $   (57,025) $    40,811  $    22,736
  Europe...............................................       55,890       17,370        2,255
  Other................................................        8,679        6,467      (12,396)
  Eliminations.........................................       (4,602)      (3,725)        (914)
                                                         -----------  -----------  -----------
    Total..............................................  $     2,942  $    60,923  $    11,681
                                                         -----------  -----------  -----------
                                                         -----------  -----------  -----------
Identifiable assets:
  United States........................................  $   332,651  $   268,254
  Europe...............................................      121,019      102,054
  Other................................................        4,623        4,492
  Eliminations.........................................      (13,950)      (7,222)
                                                         -----------  -----------
    Total..............................................  $   444,343  $   367,578
                                                         -----------  -----------
                                                         -----------  -----------
</TABLE>

    Transfers  between   geographic   areas   are  accounted   for   at   prices
representative of unaffiliated party transactions.

NOTE 15:  LITIGATION
    In  August 1989, four class action lawsuits  were filed in the United States
District Court for the  Northern District of California  naming the Company  and
certain  of  its directors  and officers  as defendants.  The suits,  which were
consolidated into a  single action,  alleged that  defendants misrepresented  or
failed  to disclose material facts about  the Company's operations and financial
results, which  plaintiffs  contended artificially  inflated  the price  of  the
Company's securities during the period December 6, 1988 to August 7, 1989.

    In April 1993, the Company and plaintiffs reached an agreement to settle the
consolidated  action in  its entirety.  Although the  Company believed  that the
claims asserted in the class action were without merit, the Company believed  it
was  in the  best interest  of its shareholders  to settle  the case  due to the
continuing costs of defense, the  distraction of management's attention and  the
uncertainties  inherent in any litigation. The  principal terms of the agreement
called for a settlement of $9.9 million, a substantial portion of which was paid
by the Company's insurance carrier.

                                      F-17
<PAGE>
                                3COM CORPORATION
                  QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)
<TABLE>
<CAPTION>
                             FISCAL 1995
                            QUARTERS ENDED             FISCAL 1994 QUARTERS ENDED
                         --------------------  ------------------------------------------
                          NOV. 30    AUG. 31    MAY 31     FEB. 28    NOV. 30    AUG. 31
                           1994       1994       1994       1994       1993       1993
                         ---------  ---------  ---------  ---------  ---------  ---------
                                  (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                      <C>        <C>        <C>        <C>        <C>        <C>
Sales..................  $ 304,808  $ 249,280  $ 241,463  $ 218,166  $ 205,275  $ 162,091
                         ---------  ---------  ---------  ---------  ---------  ---------
Gross margin...........    163,162    131,126    124,605    113,183    102,865     80,415
Gross margin %.........      53.5%      52.6%      51.6%      51.9%      50.1%      49.6%
                         ---------  ---------  ---------  ---------  ---------  ---------
Operating income
 (loss)................      4,747     44,530     41,755    (93,203)    33,512     20,878
                         ---------  ---------  ---------  ---------  ---------  ---------
Net income (loss)......      2,614     28,491     27,189   (103,460)    21,463     26,114
Net income (loss) %....       0.9%      11.4%      11.3%     (47.4%)     10.5%      16.1%
                         ---------  ---------  ---------  ---------  ---------  ---------
Net income (loss) per
 share.................  $    0.04  $    0.41  $    0.39  $   (1.64) $    0.32  $    0.40
                         ---------  ---------  ---------  ---------  ---------  ---------

<CAPTION>

                                 FISCAL 1993 QUARTERS ENDED
                         -------------------------------------------
                          MAY 31      FEB. 28    NOV. 30    AUG. 31
                           1993        1993       1992       1992
                         ---------   ---------  ---------  ---------

<S>                      <C>         <C>        <C>        <C>
Sales..................  $ 167,458   $ 161,396  $ 152,697  $ 135,617
                         ---------   ---------  ---------  ---------
Gross margin...........     83,093      78,396     73,809     61,484
Gross margin %.........      49.6%       48.6%      48.3%      45.3%
                         ---------   ---------  ---------  ---------
Operating income
 (loss)................     20,534      17,475     14,624      8,290
                         ---------   ---------  ---------  ---------
Net income (loss)......     13,271      10,160      9,280      5,850
Net income (loss) %....       7.9%        6.3%       6.1%       4.3%
                         ---------   ---------  ---------  ---------
Net income (loss) per
 share.................  $    0.20   $    0.16  $    0.15  $    0.10
                         ---------   ---------  ---------  ---------
</TABLE>

    Notes: Net income for the quarter ended November 30, 1994 included a  charge
of  approximately  $60.8 million  ($0.52 per  share  ) for  purchased in-process
technology (see Note 6 to the condensed consolidated financial statements) and a
credit  of  $1.1  million  ($0.01  per   share)  for  a  reduction  in   accrued
restructuring costs. Net loss for the quarter ended February 28, 1994 included a
charge   of  approximately  $134.5  million  ($2.00  per  share)  for  purchased
in-process  technology  (see  Notes  3  and  4  to  the  consolidated  financial
statements). Net income for the quarter ended August 31, 1993 included a gain of
approximately  $17.7  million  ($0.18  per  share) related  to  the  sale  of an
investment. Net income for the quarter ended February 28, 1993 included a charge
of approximately $1.6 million ($0.03 per share) for merger costs associated with
the Company's  acquisition  of  Star-Tek,  Inc.  (see  Notes  3  and  5  to  the
consolidated financial statements).

                                      F-18
<PAGE>
                                3COM CORPORATION
                     CONDENSED CONSOLIDATED BALANCE SHEETS

                                     ASSETS

<TABLE>
<CAPTION>
                                                                                                      NOVEMBER 30,   MAY 31,
                                                                                                          1994         1994
                                                                                                      ------------   --------
                                                                                                            (UNAUDITED)
<S>                                                                                                   <C>            <C>
                                                                                                      (DOLLARS IN THOUSANDS)

Current Assets:
  Cash and cash equivalents.........................................................................    $ 98,856     $ 66,284
  Temporary cash investments........................................................................     139,902       63,413
  Trade receivables.................................................................................     157,275      118,653
  Inventories.......................................................................................      73,604       71,352
  Deferred income taxes.............................................................................      32,312       31,236
  Other.............................................................................................      16,504       10,134
                                                                                                      ------------   --------
Total current assets................................................................................     518,453      361,072
Property and equipment -- net.......................................................................      80,036       67,001
Other assets........................................................................................      32,292       16,270
                                                                                                      ------------   --------
    Total...........................................................................................    $630,781     $444,343
                                                                                                      ------------   --------
                                                                                                      ------------   --------

                                            LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities:
  Accounts payable..................................................................................    $ 76,859     $ 51,827
  Accrued and other liabilities.....................................................................      80,532       91,130
  Income taxes payable..............................................................................      34,235       19,090
  Current portion of long-term obligations..........................................................         454          482
                                                                                                      ------------   --------
Total current liabilities...........................................................................     192,080      162,529
Long-term debt......................................................................................     110,000        --
Other long-term obligations.........................................................................         926        1,058
Shareholders' Equity:
Preferred stock, no par value, 3,000,000 shares authorized; none outstanding........................      --            --
Common stock, no par value, 200,000,000 shares authorized; shares outstanding: November 30, 1994:
 65,972,423; May 31, 1994: 65,052,900...............................................................     250,203      219,937
Unamortized restricted stock grants.................................................................        (170)        (202)
Retained earnings...................................................................................      77,985       61,326
Accumulated translation adjustments.................................................................        (243)        (305)
                                                                                                      ------------   --------
    Total shareholders' equity......................................................................     327,775      280,756
                                                                                                      ------------   --------
    Total...........................................................................................    $630,781     $444,343
                                                                                                      ------------   --------
                                                                                                      ------------   --------
</TABLE>

           See notes to condensed consolidated financial statements.

                                      F-19
<PAGE>
                                3COM CORPORATION
                  CONDENSED CONSOLIDATED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                                                           SIX MONTHS ENDED
                                                                                             NOVEMBER 30,
                                                                                       ------------------------
                                                                                          1994         1993
                                                                                       -----------  -----------
                                                                                       (IN THOUSANDS EXCEPT PER
                                                                                             SHARE DATA)
                                                                                             (UNAUDITED)
<S>                                                                                    <C>          <C>
Sales................................................................................  $   554,088  $   367,366
Costs and expenses:
  Cost of sales......................................................................      259,800      184,086
  Sales and marketing................................................................      109,908       77,956
  Research and development...........................................................       55,647       34,041
  General and administrative.........................................................       19,760       16,893
  Purchased in-process technology....................................................       60,796      --
  Non-recurring items................................................................       (1,100)     --
                                                                                       -----------  -----------
    Total............................................................................      504,811      312,976
                                                                                       -----------  -----------
Operating income.....................................................................       49,277       54,390
Gain on sale of investment...........................................................      --            17,746
Other expense -- net.................................................................         (675)        (812)
                                                                                       -----------  -----------
Income before income taxes...........................................................       48,602       71,324
Income tax provision.................................................................       17,497       23,747
    Net income.......................................................................  $    31,105  $    47,577
                                                                                       -----------  -----------
                                                                                       -----------  -----------
Net income per common and equivalent share:
  Primary............................................................................  $       .44  $       .73
  Fully diluted......................................................................  $       .44  $       .72
Common and equivalent shares used in computing per share amounts:
  Primary............................................................................       70,417       65,384
  Fully diluted......................................................................       71,138       66,248
</TABLE>

           See notes to condensed consolidated financial statements.

                                      F-20
<PAGE>
                                3COM CORPORATION
                CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                                          SIX MONTHS ENDED
                                                                            NOVEMBER 30,
                                                                        --------------------
                                                                          1994       1993
                                                                        ---------  ---------
                                                                            (DOLLARS IN
                                                                             THOUSANDS)
                                                                            (UNAUDITED)
<S>                                                                     <C>        <C>
Cash flows from operating activities:
  Net income..........................................................  $  31,105  $  47,577
  Adjustments to reconcile net income to cash provided by operating
   activities:
    Depreciation and amortization.....................................     23,312     13,604
    Gain on sale of investment........................................     --        (17,746)
    Deferred income taxes.............................................    (23,039)    (1,707)
    Purchased in-process technology...................................     60,796     --
    Non-cash restructuring costs......................................     (1,100)    --
    Changes in assets and liabilities, net of effects of acquisitions:
      Trade receivables...............................................    (38,224)   (16,632)
      Inventories.....................................................     (2,854)    10,205
      Other current assets............................................     (5,860)    (3,726)
      Accounts payable................................................     24,358      5,594
      Accrued and other liabilities...................................    (13,449)        85
      Income taxes payable............................................     27,086     12,392
                                                                        ---------  ---------
Net cash provided by operating activities.............................     82,131     49,646
                                                                        ---------  ---------
Cash flows from investing activities:
  Proceeds from sale of investment....................................     --         18,066
  Purchase of property and equipment..................................    (28,232)   (11,903)
  Purchase of temporary cash investments..............................    (92,518)   (35,327)
  Proceeds from temporary cash investments............................     14,448     14,614
  Acquisitions of businesses..........................................    (48,692)    --
  Other -- net........................................................      4,528     (1,567)
                                                                        ---------  ---------
Net cash used for investing activities................................   (150,466)   (16,117)
                                                                        ---------  ---------
Cash flows from financing activities:
  Sale of stock.......................................................     10,921      7,334
  Repurchases of common stock.........................................    (16,893)   (16,645)
  Net proceeds from issuance of convertible debt......................    106,945     --
  Repayments of notes payable and capital lease obligations...........       (128)      (830)
  Other -- net........................................................         62       (572)
                                                                        ---------  ---------
Net cash provided by (used for) financing activities..................    100,907    (10,713)
                                                                        ---------  ---------
Increase in cash and cash equivalents.................................     32,572     22,816
Cash and cash equivalents at beginning of period......................     66,284     40,046
                                                                        ---------  ---------
Cash and cash equivalents at end of period............................  $  98,856  $  62,862
                                                                        ---------  ---------
                                                                        ---------  ---------
Non-cash financing and investing activities:
  Tax benefit on stock option transactions............................  $  11,941  $   3,574
  Stock issued and options assumed in business acquisitions...........      9,797     --
</TABLE>

           See notes to condensed consolidated financial statements.

                                      F-21
<PAGE>
                                3COM CORPORATION
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
              FOR THE SIX MONTHS ENDED NOVEMBER 30, 1994 AND 1993

1.  The condensed consolidated financial statements include the accounts of 3Com
    Corporation   (the  "Company")   and  its   wholly-owned  subsidiaries.  All
    significant intercompany balances and transactions have been eliminated.  In
    the opinion of management, these unaudited consolidated financial statements
    include  all adjustments necessary for a  fair presentation of the Company's
    financial position as of  November 30, 1994, and  the results of  operations
    and cash flows for the six months ended November 30, 1994 and 1993.

    The results of operations for the six months ended November 30, 1994 may not
    necessarily  be indicative of the results for the fiscal year ending May 31,
    1995.

    These condensed financial statements should be read in conjunction with  the
    consolidated  financial statements and related notes for the years ended May
    31, 1994, 1993 and 1992 included elsewhere herein.

2.  Investments

    Effective  June  1,  1994,  the  Company  adopted  Statement  of   Financial
    Accounting  Standards No. 115,  "Accounting for Certain  Investments in Debt
    and Equity Securities." This statement requires the Company to classify debt
    and equity  securities  into  one  of  three  categories:  held-to-maturity,
    trading  or available-for-sale. At  June 1, 1994 and  November 30, 1994, all
    temporary   cash   investments   of   the   Company   were   classified   as
    available-for-sale  and the difference  between the carrying  value and fair
    value of those securities was not significant.

3.  Inventories consisted of (in thousands):

<TABLE>
<CAPTION>
                                                                  NOVEMBER 30,   MAY 31,
                                                                      1994        1994
                                                                  ------------  ---------
<S>                                                               <C>           <C>
Finished goods..................................................   $   32,652   $  44,770
Work-in-process.................................................        8,763       8,232
Raw materials...................................................       32,189      18,350
                                                                  ------------  ---------
    Total.......................................................   $   73,604   $  71,352
                                                                  ------------  ---------
                                                                  ------------  ---------
</TABLE>

4.  Long-Term Debt

    In November 1994, the Company completed a private placement under Rule  144A
    of  the Securities  Act of  1933 for  $110 million  convertible subordinated
    notes.  The  notes  bear   interest  at  10.25%   per  annum,  are   payable
    semi-annually, and mature in 2001. Beginning in November 1997, the notes are
    convertible  into the Company's common stock  at an initial conversion price
    of $69.125 per share.  The Company has reserved  1,591,320 shares of  common
    stock for the conversion of these notes.

5.  Net Income Per Share

    Net  income per common  and equivalent share is  computed using the weighted
    average number of common  shares and the dilutive  effects of stock  options
    outstanding  during  the period  using the  treasury stock  method. Weighted
    average shares  outstanding and  per  share amounts  have been  restated  to
    reflect the two-for-one stock split on September 1, 1994 for shareholders of
    record on August 16, 1994.

6.  Business Acquisitions

    On  October 18, 1994, the Company  acquired substantially all the assets and
    assumed substantially all the liabilities of NiceCom, Ltd. ("NiceCom"),  and
    assumed  all outstanding NiceCom stock options. The purchase price consisted
    of approximately $53.2 million plus $5.7 million of

                                      F-22
<PAGE>
                                3COM CORPORATION
        NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
              FOR THE SIX MONTHS ENDED NOVEMBER 30, 1994 AND 1993
    stock options. The purchase  price was paid using  funds from the  Company's
    working  capital and the  issuance of 93,162  shares of common  stock of the
    Company, with an aggregate value of $3.7 million. NiceCom is engaged in  the
    development   of  ATM   ("asynchronous  transfer  mode")   switches  and  an
    Ethernet/ATM solution  for a  streamlined, scalable  and seamless  migration
    path from existing Ethernet LANs to ATM networking.

    On  October 14, 1994, the Company acquired all of the outstanding shares and
    assumed  all  outstanding  stock  options  of  a  company  engaged  in   the
    development  of network adapter technology.  The purchase price consisted of
    approximately $2.3  million plus  $400,000 of  stock options.  The  purchase
    price was paid using funds from the Company's working capital.

    The  acquisitions  were accounted  for  as purchases  and,  accordingly, the
    acquired assets and liabilities were recorded at their estimated fair market
    values at the dates of acquisitions.  The aggregate purchase price of  $61.6
    million  plus $2.0 million of costs  directly attributable to the completion
    of the  acquisitions  has  been  allocated to  the  assets  and  liabilities
    acquired.   Approximately  $60.8   million  of  the   total  purchase  price
    represented in-process  technology that  had not  yet reached  technological
    feasibility and was charged to the Company's operations.

    The  Company's  consolidated  results of  operations  include  the operating
    results of the acquired  companies from their  acquisition dates. Pro  forma
    results   of  operations  are  not  presented   as  the  amounts  would  not
    significantly differ from the Company's historical results.

                                      F-23
<PAGE>
                        REPORT OF KPMG PEAT MARWICK LLP

The Board of Directors and Stockholders
Primary Access Corporation:

    We   have  audited  the  accompanying   balance  sheets  of  Primary  Access
Corporation (the Company) as  of October 2,  1994 and October  3, 1993, and  the
related statements of operations, stockholders' equity (deficit), and cash flows
for  the  fifty-two weeks  ended October  2, 1994,  the fifty-three  weeks ended
October 3,  1993,  and the  fifty-two  weeks  ended September  27,  1992.  These
financial  statements are  the responsibility  of the  Company's management. Our
responsibility is to express an opinion  on these financial statements based  on
our audits.

    We  conducted  our audits  in  accordance with  generally  accepted auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.

    In  our opinion, the financial statements  referred to above present fairly,
in all material respects, the  financial position of Primary Access  Corporation
as  of  October 2,  1994  and October  3, 1993,  and  the related  statements of
operations, stockholders' equity  (deficit), and  cash flows  for the  fifty-two
weeks  ended October 2, 1994, the fifty-  three weeks ended October 3, 1993, and
the fifty-two  weeks ended  September  27, 1992,  in conformity  with  generally
accepted accounting principles.

    As  discussed in  Notes 1  and 7  to the  financial statements,  the Company
adopted the provisions of the  Financial Accounting Standards Board's  Statement
of  Financial Accounting  Standards No. 109,  "Accounting for  Income Taxes," in
1994.

San Diego, California
November 4, 1994

                                          _______/s/_KPMG PEAT MARWICK LLP______

                                      F-24
<PAGE>
                           PRIMARY ACCESS CORPORATION
                                 BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                   OCTOBER 2,   OCTOBER 3,
                                                                      1994         1993
                                                                   -----------  -----------
                                                      JANUARY 1,
                                                         1995
                                                      -----------
                                                      (UNAUDITED)

                                          ASSETS
<S>                                                   <C>          <C>          <C>

Cash and cash equivalents...........................  $ 7,828,000  $ 8,960,000  $ 3,484,000
Accounts receivable, net of allowances of $112,000,
 $91,000 and $115,000...............................    6,033,000    4,444,000    6,190,000
Inventories (notes 2 and 9).........................      815,000    1,163,000    2,006,000
Prepaid expenses....................................      154,000      314,000      106,000
Other current assets................................       76,000       76,000       37,000
                                                      -----------  -----------  -----------
  Total current assets..............................   14,906,000   14,957,000   11,823,000
                                                      -----------  -----------  -----------
Property and equipment, net (notes 3, 4 and 5)......    1,677,000    1,589,000    1,062,000
Other long-term assets..............................      781,000       57,000       12,000
                                                      -----------  -----------  -----------
                                                      $17,364,000  $16,603,000  $12,897,000
                                                      -----------  -----------  -----------
                                                      -----------  -----------  -----------

                           LIABILITIES AND STOCKHOLDERS' EQUITY

Line of credit (note 4).............................  $   --       $   --       $   --
Accounts payable....................................      992,000      999,000    1,328,000
Accrued salaries, payroll taxes and vacations.......      983,000      938,000      661,000
Accrued warranty liability..........................      792,000      746,000      416,000
Accrued expenses and other current liabilities......      557,000      779,000    1,098,000
Accrued income tax liability........................      353,000      --           --
Deferred customer support revenue...................      994,000    1,144,000      442,000
Current installments of long-term debt (note 5).....      --           108,000      108,000
                                                      -----------  -----------  -----------
    Total current liabilities.......................    4,671,000    4,714,000    4,053,000
Long-term debt, excluding current installments
 (note 5)...........................................      --            72,000      171,000
                                                      -----------  -----------  -----------
    Total liabilities...............................    4,671,000    4,786,000    4,224,000
                                                      -----------  -----------  -----------
Stockholders' equity (notes 4 and 6):
  Convertible preferred stock, Series A, C and E,
   authorized 10,000,000 shares; issued and
   outstanding, 8,403,723 shares in 1995, 1994 and
   1993 (liquidating preference $12,029,000), at
   stated value.....................................   11,974,000   11,974,000   11,974,000
  Common stock, no par value, authorized 20,000,000
   shares; issued and outstanding 1,571,384 shares
   in 1995, 1,554,202 shares in 1994 and 933,240
   shares in 1993...................................      220,000      218,000       74,000
Retained earnings (accumulated deficit).............      499,000     (375,000)  (3,375,000)
                                                      -----------  -----------  -----------
    Total stockholders' equity......................   12,693,000   11,817,000    8,673,000
                                                      -----------  -----------  -----------
Commitments and contingencies (note 9)
                                                      $17,364,000  $16,603,000  $12,897,000
                                                      -----------  -----------  -----------
                                                      -----------  -----------  -----------
</TABLE>

                See accompanying notes to financial statements.

                                      F-25
<PAGE>
                           PRIMARY ACCESS CORPORATION
                            STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                                                 FOR THE
                                                       FOR THE      FOR THE     FIFTY-TWO
                                                      FIFTY-TWO   FIFTY-THREE  WEEKS ENDED
                                                     WEEKS ENDED  WEEKS ENDED   SEPTEMBER
                                                     OCTOBER 2,   OCTOBER 3,       27,
                                                        1994         1993         1992
                                                     -----------  -----------  -----------
                              FOR THE     FOR THE
                             THIRTEEN     THIRTEEN
                            WEEKS ENDED    WEEKS
                            JANUARY 1,     ENDED
                               1995      JANUARY 2,
                            -----------     1994
                                         ----------
                            (UNAUDITED)
                                         (UNAUDITED)
Revenues:
<S>                         <C>          <C>         <C>          <C>          <C>
  Equipment and software..  $ 6,634,000  $5,225,000  $23,214,000  $23,020,000  $13,185,000
  Customer support........      909,000     809,000    3,304,000    1,032,000      613,000
                            -----------  ----------  -----------  -----------  -----------
    Total revenues........    7,543,000   6,034,000   26,518,000   24,052,000   13,798,000
Cost of sales:
  Equipment and software..    2,840,000   2,087,000    8,923,000    9,029,000    6,132,000
  Customer support........      458,000     427,000    1,737,000    1,024,000      467,000
                            -----------  ----------  -----------  -----------  -----------
    Total cost of sales...    3,298,000   2,514,000   10,660,000   10,053,000    6,599,000
                            -----------  ----------  -----------  -----------  -----------
    Gross margin..........    4,245,000   3,520,000   15,858,000   13,999,000    7,199,000
Operating costs and
 expenses:
  Research and
   development............    1,335,000     991,000    4,782,000    3,193,000    2,648,000
  General and
   administrative.........    1,771,000   1,841,000    7,398,000    5,867,000    3,266,000
                            -----------  ----------  -----------  -----------  -----------
    Income from
     operations...........    1,139,000     688,000    3,678,000    4,939,000    1,285,000
Other income (expense):
  Interest income, net of
   interest expense of
   $3,000, $5,000,
   $19,000, $98,000 and
   $164,000...............       97,000      30,000      202,000      (19,000)    (109,000)
  Other, net..............       13,000      (1,000)     (13,000)      23,000       (9,000)
                            -----------  ----------  -----------  -----------  -----------
    Income before taxes...    1,249,000     717,000    3,867,000    4,943,000    1,167,000
Income taxes (note 7).....      375,000     163,000      867,000      465,000       51,000
                            -----------  ----------  -----------  -----------  -----------
    Net income............  $   874,000  $  554,000  $ 3,000,000  $ 4,478,000  $ 1,116,000
                            -----------  ----------  -----------  -----------  -----------
                            -----------  ----------  -----------  -----------  -----------
Net income per common and
 equivalent share.........        $0.08       $0.06        $0.26        $0.47        $0.12
                            -----------  ----------  -----------  -----------  -----------
                            -----------  ----------  -----------  -----------  -----------
Common and equivalent
 shares used in computing
 per share amounts........   11,461,000   9,664,000   11,331,000    9,512,000    9,313,000
                            -----------  ----------  -----------  -----------  -----------
                            -----------  ----------  -----------  -----------  -----------
</TABLE>

                See accompanying notes to financial statements.

                                      F-26
<PAGE>
                           PRIMARY ACCESS CORPORATION
                  STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)
 FOR THE FIFTY-TWO WEEKS ENDED SEPTEMBER 27, 1992, THE FIFTY-THREE WEEKS ENDED
                                OCTOBER 3, 1993,
 THE FIFTY-TWO WEEKS ENDED OCTOBER 2, 1994 AND THE THIRTEEN WEEKS ENDED JANUARY
                              1, 1995 (UNAUDITED)

<TABLE>
<CAPTION>
                                        CONVERTIBLE
                                      PREFERRED STOCK                              RETAINED       NOTES         TOTAL
                                         (NOTE 6)              COMMON STOCK        EARNINGS     RECEIVABLE   STOCKHOLDERS'
                                  -----------------------  --------------------  (ACCUMULATED      FROM         EQUITY
                                    SHARES      AMOUNT      SHARES     AMOUNT      DEFICIT)    STOCKHOLDERS   (DEFICIT)
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
<S>                               <C>         <C>          <C>        <C>        <C>           <C>           <C>
Balance at September 29, 1991...   3,741,775  $ 8,745,000    999,850  $  62,000   $(8,969,000)  $  (10,000)   $ (172,000)
Series E convertible preferred
 stock issued for cash and
 conversion of Series D
 preferred stock, net of
 issuance costs of $25,000......   5,773,948    5,973,000     --         --           --            --         5,973,000
Series D convertible preferred
 stock converted to Series E....  (1,000,000)  (2,492,000)    --         --           --            --        (2,492,000)
Series B convertible preferred
 stock repurchased..............    (112,000)    (252,000)    --         --           --            --          (252,000)
Common stock options exercised..      --          --           6,781      3,000       --            --             3,000
Common stock issued to
 consultant in lieu of cash
 compensation...................      --          --          16,875      7,000       --            --             7,000
Common stock repurchased........      --          --        (111,980)    (6,000)      --            --            (6,000)
Repayment of stockholder's note
 receivable.....................      --          --          --         --           --             5,000         5,000
Net income......................      --          --          --         --        1,116,000        --         1,116,000
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
Balance at September 27, 1992...   8,403,723   11,974,000    911,526     66,000   (7,853,000)       (5,000)    4,182,000
Common stock grants.............      --          --             900     --           --            --            --
Common stock options exercised..      --          --          20,814      8,000       --            --             8,000
Repayment of stockholder's note
 receivable.....................      --          --          --         --           --             5,000         5,000
Net income......................      --          --          --         --        4,478,000        --         4,478,000
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
Balance at October 3, 1993......   8,403,723   11,974,000    933,240     74,000   (3,375,000)       --         8,673,000
Common stock options exercised..      --          --         596,387     94,000       --            --            94,000
Common stock grants.............      --          --             200     --           --            --            --
Common stock warrants
 exercised......................      --          --          22,000     47,000       --            --            47,000
Common stock issued to
 consultants in lieu of cash
 compensation...................      --          --           2,375      3,000       --            --             3,000
Net income......................      --          --          --         --        3,000,000        --         3,000,000
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
Balance at October 2, 1994......   8,403,723   11,974,000  1,554,202    218,000     (375,000)       --        11,817,000
Common stock options exercised..      --          --          17,082      2,000       --            --             2,000
Common stock grants.............      --          --             100     --           --            --            --
Net income......................      --          --          --         --          874,000        --           874,000
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
Balance at January 1, 1995
 (unaudited)....................   8,403,723  $11,974,000  1,571,384  $ 220,000   $  499,000    $   --        $12,693,000
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
                                  ----------  -----------  ---------  ---------  ------------  ------------  ------------
</TABLE>

                See accompanying notes to financial statements.

                                      F-27
<PAGE>
                           PRIMARY ACCESS CORPORATION
                            STATEMENTS OF CASH FLOWS
<TABLE>
<CAPTION>
                                                                                               FOR THE       FOR THE
                                                                                              FIFTY-TWO    FIFTY-THREE
                                                                                             WEEKS ENDED   WEEKS ENDED
                                                                                              OCTOBER 2,    OCTOBER 3,
                                                                                                 1994          1993
                                                                                             ------------  ------------
                                                                   FOR THE       FOR THE
                                                                   THIRTEEN      THIRTEEN
                                                                 WEEKS ENDED   WEEKS ENDED
                                                                  JANUARY 1,    JANUARY 2,
                                                                     1995          1994
                                                                 ------------  ------------
                                                                 (UNAUDITED)   (UNAUDITED)
CASH FLOWS FROM OPERATING ACTIVITIES:
<S>                                                              <C>           <C>           <C>           <C>
  Net income...................................................   $  874,000    $  554,000    $3,000,000    $4,478,000
  Adjustments to reconcile net income to net cash provided by
   (used in) operating activities:
    Depreciation and amortization..............................      191,000       102,000       532,000       312,000
    Provision for doubtful accounts............................       --            --            --           104,000
    Gain (loss) on sale of equipment...........................      (14,000)        2,000       (64,000)       --
    Issuance of stock for consulting services..................       --            --             3,000        --
    Change in assets and liabilities:
      (Increase) decrease in accounts receivable, net..........   (1,589,000)    1,069,000     1,746,000    (3,838,000)
      (Increase) decrease in inventories.......................      273,000       428,000       726,000      (618,000)
      Increase in prepaid expenses and other assets............     (564,000)      (21,000)     (292,000)      (30,000)
      Increase (decrease) in accounts payable..................       (7,000)     (109,000)     (329,000)      670,000
      Increase in accrued salaries, payroll taxes and
       vacations...............................................       45,000       105,000       277,000       269,000
      Increase (decrease) in accrued warranty liability........       46,000       (23,000)      330,000        75,000
      Increase (decrease) in accrued expenses and other current
       liabilities.............................................     (222,000)     (359,000)     (319,000)      490,000
      Increase in accrued income tax liability.................      353,000       120,000        --            --
      Increase (decrease) in deferred customer support
       revenue.................................................     (150,000)      704,000       702,000       442,000
                                                                 ------------  ------------  ------------  ------------
        Net cash provided by (used in) operating activities....     (764,000)    2,572,000     6,312,000     2,354,000
                                                                 ------------  ------------  ------------  ------------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Additions to property and equipment..........................     (225,000)     (113,000)     (994,000)     (464,000)
  Proceeds from sale of equipment..............................       35,000        --           116,000        --
                                                                 ------------  ------------  ------------  ------------
        Net cash used in investing activities..................     (190,000)     (113,000)     (878,000)     (464,000)
                                                                 ------------  ------------  ------------  ------------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Repayments under the line of credit..........................       --            --            --          (680,000)
  Proceeds from long-term borrowings and bridge loans..........       --            --            --           314,000
  Principal repayments on long-term borrowings.................     (180,000)      (27,000)      (99,000)     (459,000)
  Proceeds from issuance of convertible preferred stock, net of
   issuance costs..............................................       --            --            --            --
  Retirement of convertible preferred stock....................       --            --            --            --
  Proceeds from issuance of common stock and common stock
   options exercised, net of common stock repurchased..........        2,000        37,000        92,000         8,000
  Proceeds from common stock warrants exercised................       --            49,000        49,000        --
  Repayment of stockholder's note receivable...................       --            --            --             5,000
                                                                 ------------  ------------  ------------  ------------
        Net cash provided by (used in) financing activities....     (178,000)       59,000        42,000      (812,000)
                                                                 ------------  ------------  ------------  ------------
Net increase (decrease) in cash and cash equivalents...........   (1,132,000)    2,518,000     5,476,000     1,078,000
Cash and cash equivalents at beginning of year.................    8,960,000     3,484,000     3,484,000     2,406,000
                                                                 ------------  ------------  ------------  ------------
Cash and cash equivalents at end of year.......................   $7,828,000    $6,002,000    $8,960,000    $3,484,000
                                                                 ------------  ------------  ------------  ------------
                                                                 ------------  ------------  ------------  ------------
Supplemental disclosures of cash flow information:
    Cash paid during the year for:
      Interest.................................................   $    3,000    $    5,000    $   19,000    $   99,000
      Income taxes.............................................       36,000        43,000       890,000       555,000
Supplemental disclosure of noncash investing and financing
 activities:
  The Company transferred inventory at cost to property and
   equipment...................................................   $   75,000    $   51,000    $  117,000    $  193,000
  The Company converted a note payable to Series E convertible
   preferred stock in 1993.....................................   $   --        $   --        $   --        $   --

<CAPTION>
                                                                    FOR THE
                                                                   FIFTY-TWO
                                                                  WEEKS ENDED
                                                                 SEPTEMBER 27,
                                                                     1992
                                                                 -------------

CASH FLOWS FROM OPERATING ACTIVITIES:
<S>                                                              <C>
  Net income...................................................   $ 1,116,000
  Adjustments to reconcile net income to net cash provided by
   (used in) operating activities:
    Depreciation and amortization..............................       226,000
    Provision for doubtful accounts............................         9,000
    Gain (loss) on sale of equipment...........................       --
    Issuance of stock for consulting services..................         7,000
    Change in assets and liabilities:
      (Increase) decrease in accounts receivable, net..........    (1,922,000)
      (Increase) decrease in inventories.......................      (916,000)
      Increase in prepaid expenses and other assets............        (1,000)
      Increase (decrease) in accounts payable..................        48,000
      Increase in accrued salaries, payroll taxes and
       vacations...............................................       203,000
      Increase (decrease) in accrued warranty liability........       159,000
      Increase (decrease) in accrued expenses and other current
       liabilities.............................................       524,000
      Increase in accrued income tax liability.................       --
      Increase (decrease) in deferred customer support
       revenue.................................................       --
                                                                 -------------
        Net cash provided by (used in) operating activities....      (547,000)
                                                                 -------------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Additions to property and equipment..........................      (271,000)
  Proceeds from sale of equipment..............................       --
                                                                 -------------
        Net cash used in investing activities..................      (271,000)
                                                                 -------------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Repayments under the line of credit..........................       (50,000)
  Proceeds from long-term borrowings and bridge loans..........       --
  Principal repayments on long-term borrowings.................      (187,000)
  Proceeds from issuance of convertible preferred stock, net of
   issuance costs..............................................     2,974,000
  Retirement of convertible preferred stock....................      (252,000)
  Proceeds from issuance of common stock and common stock
   options exercised, net of common stock repurchased..........        (3,000)
  Proceeds from common stock warrants exercised................       --
  Repayment of stockholder's note receivable...................         5,000
                                                                 -------------
        Net cash provided by (used in) financing activities....     2,487,000
                                                                 -------------
Net increase (decrease) in cash and cash equivalents...........     1,669,000
Cash and cash equivalents at beginning of year.................       737,000
                                                                 -------------
Cash and cash equivalents at end of year.......................   $ 2,406,000
                                                                 -------------
                                                                 -------------
Supplemental disclosures of cash flow information:
    Cash paid during the year for:
      Interest.................................................   $   164,000
      Income taxes.............................................       --
Supplemental disclosure of noncash investing and financing
 activities:
  The Company transferred inventory at cost to property and
   equipment...................................................   $   --
  The Company converted a note payable to Series E convertible
   preferred stock in 1993.....................................   $   507,000
</TABLE>

                                      F-28
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

              JANUARY 1, 1995, OCTOBER 2, 1994 AND OCTOBER 3, 1993

(1) ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    (a)  DESCRIPTION OF BUSINESS:

    Primary  Access  Corporation (the  Company)  was organized  as  a California
corporation on June 7, 1988. The Company markets telecommunications software and
hardware products that provide access  to the public switched telephone  network
for transmitting data over dial-in computer networks.

    The  Company  has adopted  a 52-53  week  fiscal year  ending on  the Sunday
nearest to September 30.

    (b)  CASH EQUIVALENTS:

    For the purpose of financial  statement presentation, the Company  considers
all  highly  liquid investment  instruments  with original  maturities  of three
months or less  to be cash  equivalents. Cash equivalents  consist primarily  of
money market accounts and certificates of deposit.

    (c)  INVENTORIES:

    Inventories  are stated at the  lower of cost or  market. Cost is determined
using the first-in, first-out method.

    (d)  PROPERTY AND EQUIPMENT:

    Property and equipment are  stated at cost.  Depreciation is provided  using
the  straight-line method  over estimated useful  lives of the  assets (three to
five years).

    (e)  RESEARCH AND DEVELOPMENT COSTS:

    Research and development costs are expensed in the period incurred.

    (f)  REVENUE RECOGNITION AND WARRANTY COSTS:

    Equipment and  software  revenue is  recognized  upon shipment  of  product.
Customer  support revenue is recognized ratably  over the term of the contracts,
typically one year. Estimated costs of product warranty are accrued at the  time
the Company sells the products.

    (g)  INCOME TAXES:

    In  February 1992, the Financial Accounting Standards Board issued Statement
of Financial Accounting Standards No.  109, "Accounting for Income Taxes"  (SFAS
109).  SFAS 109  requires a  change from the  deferred method  of accounting for
income taxes of APB Opinion 11 to  the asset and liability method of  accounting
for income taxes. Under the asset and liability method of SFAS 109, deferred tax
assets   and  liabilities  are  recognized   for  the  future  tax  consequences
attributable to differences between the financial statement carrying amounts  of
existing  assets and  liabilities and their  respective tax  bases. Deferred tax
assets and liabilities are measured using enacted tax rates expected to apply to
taxable income in the years in which those temporary differences are expected to
be recovered or settled. Under SFAS 109,  the effect on deferred tax assets  and
liabilities  of a change in tax rates is recognized in income in the period that
includes the  enactment date.  The Company  adopted  SFAS 109  in 1994  and  has
applied the provisions of SFAS 109 retroactively to September 30, 1991. There is
no impact on years prior to September 27, 1992.

    (h)  SIGNIFICANT CUSTOMERS:

    For  the fifty-two weeks ended October  2, 1994, the fifty-three weeks ended
October 3, 1993, the fifty-two weeks  ended September 27, 1992 and the  thirteen
weeks  ended January 1, 1995 and January 2, 1994, aggregate product sales to six
principal customers accounted for 57%, 75%, 78%, 71%

                                      F-29
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(1) ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
and 76% of total sales, respectively. Aggregate balances in accounts  receivable
from  these six customers as of October 2,  1994, October 3, 1993 and January 1,
1995 were 55%, 89% and 71% of total accounts receivable, respectively.

    For the fifty-two  weeks ended September  27, 1992, product  sales to  three
customers  accounted for 33%,  17% and 12%  of total sales.  For the fifty-three
weeks ended October 3, 1993, product sales to three customers accounted for 35%,
16% and 13%  of total  sales. For  the fifty-two  weeks ended  October 2,  1994,
product sales to two customers accounted for 22% and 18% of total sales. For the
thirteen weeks ended January 2, 1994, product sales to three customers accounted
for  26%, 17% and  13% of total sales.  For the thirteen  weeks ended January 1,
1995, product sales to two customers accounted  for 39% and 14% of total  sales.
No  other sales to individual customers accounted  for greater than 10% of total
revenue.

    (i)  NET INCOME PER SHARE:

    Net income per share is based on  the weighted average number of common  and
common equivalent shares outstanding during the period. Common equivalent shares
include  convertible preferred stock (using  the if-converted method) and common
stock options and warrants (using the treasury stock method).

    (j)  UNAUDITED FINANCIAL INFORMATION:

    The financial information  at January 1,  1995, and for  the thirteen  weeks
ended  January  1,  1995 and  January  2,  1994 is  unaudited  but  includes all
adjustments, consisting only of normal  recurring adjustments, that the  Company
considers necessary for a fair presentation of the financial position as of such
date and the results of operations and cash flows for those periods. Results for
interim periods are not necessarily indicative of results to be expected for the
entire year.

(2) INVENTORIES
    Inventories  as of  January 1,  1995, October  2, 1994  and October  3, 1993
consist of the following:

<TABLE>
<CAPTION>
                                                                  1994           1993
                                                    1995      -------------  -------------
                                                 -----------
                                                 (UNAUDITED)
<S>                                              <C>          <C>            <C>
Raw materials..................................   $ 731,000   $     930,000  $   1,884,000
Work in process................................      --            --               16,000
Finished goods.................................      84,000         233,000        106,000
                                                 -----------  -------------  -------------
                                                  $ 815,000   $   1,163,000  $   2,006,000
                                                 -----------  -------------  -------------
                                                 -----------  -------------  -------------
</TABLE>

(3) PROPERTY AND EQUIPMENT
    At January  1, 1995,  October 2,  1994  and October  3, 1993,  property  and
equipment consists of the following:

<TABLE>
<CAPTION>
                                                                  1993           1993
                                                  1995       --------------  -------------
                                             --------------
                                              (UNAUDITED)
<S>                                          <C>             <C>             <C>
Furniture and fixtures.....................  $       56,000  $       56,000  $      56,000
Computer equipment.........................       2,920,000       2,641,000      1,771,000
Leasehold improvements.....................         105,000         121,000         31,000
                                             --------------  --------------  -------------
                                                  3,081,000       2,818,000      1,858,000
Less accumulated depreciation and
 amortization..............................      (1,404,000)     (1,229,000)      (796,000)
                                             --------------  --------------  -------------
                                             $    1,677,000  $    1,589,000  $   1,062,000
                                             --------------  --------------  -------------
                                             --------------  --------------  -------------
</TABLE>

                                      F-30
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(4) LINE OF CREDIT
    At  January 1, 1995  and October 2, 1994,  the Company has  a line of credit
agreement with a bank for working capital purposes that provides an amount up to
$2,000,000. The agreement requires interest  only monthly payments, at the  rate
of  prime, and outstanding  balances are secured by  substantially all assets of
the Company.  The line  of  credit expires  May 15,  1996.  The Company  has  no
borrowings against the line of credit as of January 1, 1995 and October 2, 1994.

    In  June 1994, the Company entered into  a line of credit agreement with the
same bank for equipment acquisition purchases  that provides for a maximum  draw
of  up  to  $1,000,000 through  May  15,  1995. The  agreement  requires monthly
principal and interest payments, at prime plus .5%, and outstanding balances are
secured by  substantially  all  assets  of  the  Company.  The  Company  has  no
borrowings against the line of credit as of January 1, 1995 and October 2, 1994.

(5) LONG-TERM DEBT
    Long-term  debt consists of the following as  of January 1, 1995, October 2,
1994 and October 3, 1993:

<TABLE>
<CAPTION>
                                                                    1994          1993
                                                                ------------  ------------
<S>                                                             <C>           <C>
Prime plus 1.5% (effective rate of 9.25% at October 2, 1994),
 $314,000 equipment note with a bank, fixed principal payments
 of $9,000 and interest due monthly beginning June 15, 1993,
 balance due May 15, 1996. Secured by substantially all fixed
 assets. The note was repaid in full in November 1994.........  $    180,000  $    279,000
  Less current installments...................................      (108,000)     (108,000)
                                                                ------------  ------------
  Long-term debt, excluding current installments..............  $     72,000  $    171,000
                                                                ------------  ------------
                                                                ------------  ------------
</TABLE>

    There was no long-term debt outstanding as of January 1, 1995.

(6) STOCKHOLDERS' EQUITY

    (a)  CONVERTIBLE PREFERRED STOCK:

    Each share  of the  Series  A, Series  C and  Series  E preferred  stock  is
convertible  into  the  Company's common  stock  subject to  a  conversion ratio
computation as defined in the agreements. In addition, each share is entitled to
the number  of  votes  equal to  the  conversion  ratio and  has  a  liquidating
preference  of  $1.00, $4.00  and  $1.04 for  Series A,  Series  C and  Series E
preferred stock, respectively, plus accrued and unpaid dividends. The  preferred
stock  is  entitled  to  preference  in  dividends  and  distributions  over the
Company's common stock. Dividends are $.10, $.40 and $.104 per share for  Series
A,  Series C and Series  E preferred stock, respectively,  when declared and are
noncumulative. Each share  of preferred stock  shall automatically be  converted
into  shares of common  stock at the then  effective applicable conversion price
immediately upon the  closing of the  sale of  the Company's common  stock in  a
public  offering of at least $5.00 per share with aggregate gross proceeds of at
least $5,000,000.

    At any time after June  1994, or upon receipt by  the Company in writing  of
consents   of  a  majority  of  Series  A,  Series  C  and  Series  E  preferred
stockholders, the Company  at its  option may  redeem in  whole or  in part  the
Series A, Series C and Series E preferred stock by paying $1.00, $4.00 and $1.04
per  share, respectively, for  Series A, Series  C and Series  E preferred stock
then   outstanding,   adjusted   for   stock   splits,   stock   dividends    or
recapitalization.  As of January 1, 1995 and October 2, 1994, no redemptions had
occurred.

                                      F-31
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(6) STOCKHOLDERS' EQUITY (CONTINUED)
    Terms of the  aforementioned classes  of convertible preferred  stock as  of
January  1, 1995,  October 2,  1994 and  October 3,  1993, including capitalized
values, are as follows:

<TABLE>
<S>                                                          <C>
Series A convertible preferred stock, authorized 1,498,525
 shares, issued and outstanding 1,498,525 shares in 1995,
 1994 and 1993 (liquidating preference $1.00 per share,
 aggregating $1,499,000)...................................  $ 1,499,000

Series C convertible preferred stock, authorized 1,250,000
 shares, issued and outstanding 1,131,250 shares in 1995,
 1994 and 1993 (liquidating preference $4.00 per share,
 aggregating $4,525,000)...................................    4,503,000

Series E convertible preferred stock, authorized 5,773,950
 shares, issued and outstanding 5,773,948 shares in 1995,
 1994 and 1993 (liquidating preference $1.04 per share,
 aggregating $6,005,000)...................................    5,972,000
                                                             -----------
                                                             $11,974,000
                                                             -----------
                                                             -----------
</TABLE>

    1,477,525 of the authorized preferred shares  have not been designated to  a
particular class and remain authorized but unissued.

    (b)  COMMON STOCK:

    Certain  outstanding shares  of the  Company's common  stock are  subject to
repurchase by the Company at the original issuance price based upon a  four-year
vesting term as defined in the stock purchase agreements.

    (c)  WARRANTS:

    The  Company has  issued various warrants  to purchase common  stock, all of
which are exercisable as  of January 1,  1995 and October  2, 1994. In  November
1993,  the September 1988 warrants were  exercised and the Company issued 22,000
shares of common stock for $49,000.

    The following summarizes warrants  issued and outstanding  as of January  1,
1995, October 2, 1994 and October 3, 1993:

<TABLE>
<CAPTION>
                                                                     EXERCISE      NUMBER
DATE OF GRANT                                          EXPIRATION      PRICE     OUTSTANDING
----------------------------------------------------  ------------  -----------  -----------
<S>                                                   <C>           <C>          <C>
October.............................................     1990/1995   $    2.25       67,000
March...............................................     1992/1997        1.04       50,000
                                                                                 -----------
Total warrants outstanding..........................                                117,000
                                                                                 -----------
                                                                                 -----------
</TABLE>

    (d)  STOCK OPTION PLAN:

    The  Company maintains a  Stock Option Plan (the  "Plan") which provides for
the grant  of incentive  stock options  and nonqualified  stock options  to  key
employees,  directors and  consultants of  the Company.  At January  1, 1995 and
October 2, 1994, there were 2,900,000 common shares reserved for issuance  under
the  Plan. Shares of common stock made subject to options vest periodically from
the date of  grant, in  accordance with schedules  established by  the Board  of
Directors  of the Company.  Shares acquired through the  exercise of options are
subject to the Company's first right of repurchase.

    As of October 3, 1993, options for 1,750,492 shares were outstanding and are
exercisable at prices ranging from $.11 to $.40 per share. Options for 1,108,850
shares are unvested and options for

                                      F-32
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(6) STOCKHOLDERS' EQUITY (CONTINUED)
641,642 shares are vested  and exercisable. Options for  35,345 shares had  been
exercised  as of October 3, 1993. Options  for 212,091 shares had been cancelled
as of  October 3,  1993.  Reserved, unissued  shares  of common  stock  totaling
402,072 remain available as of October 3, 1993 for grant under the Plan.

    As of October 2, 1994, options for 1,818,928 shares were outstanding and are
exercisable  at  prices  ranging  from  $.11 to  $3.75  per  share.  Options for
1,271,860 shares are  unvested and  options for  547,068 shares  are vested  and
exercisable.  Options for  639,528 shares  had been  exercised as  of October 2,
1994. Options  for 264,274  shares had  been cancelled  as of  October 2,  1994.
Reserved,  unissued shares of common stock  totaling 177,270 remain available as
of October 2, 1994 for grant under the Plan.

    As of January 1, 1995, options for 1,943,795 shares were outstanding and are
exercisable at  prices  ranging  from  $.11 to  $3.75  per  share.  Options  for
1,277,295   shares  are  unvested  and  options   for  666,500  are  vested  and
exercisable. Options for  659,790 shares  had been  exercised as  of January  1,
1995.  Options for  267,117 shares  had been  cancelled as  of January  1, 1995.
Reserved, unissued shares of common stock totaling 29,298 remain available as of
January 1, 1995 for grant under the Plan.

(7) INCOME TAXES
    As discussed in Note 1, the Company adopted SFAS 109 in 1994 and has applied
the provisions of  SFAS 109  retroactively to September  30, 1991.  There is  no
impact on years prior to September 27, 1992.

    Income  taxes consist of the  following at October 2,  1994, October 3, 1993
and September 27, 1992:

<TABLE>
<CAPTION>
                                                         CURRENT     DEFERRED       TOTAL
                                                       -----------  -----------  -----------
<S>                                                    <C>          <C>          <C>
1994:
  Federal............................................  $   713,000   $  --       $   713,000
  State..............................................      154,000      --           154,000
                                                       -----------       -----   -----------
      Total income taxes.............................  $   867,000   $  --       $   867,000
                                                       -----------       -----   -----------
                                                       -----------       -----   -----------
1993:
  Federal............................................  $   119,000   $  --       $   119,000
  State..............................................      346,000      --           346,000
                                                       -----------       -----   -----------
      Total income taxes.............................  $   465,000   $  --       $   465,000
                                                       -----------       -----   -----------
                                                       -----------       -----   -----------
1992:
  Federal............................................  $    22,000   $  --       $    22,000
  State..............................................       29,000      --            29,000
                                                       -----------       -----   -----------
      Total income taxes.............................  $    51,000   $  --       $    51,000
                                                       -----------       -----   -----------
                                                       -----------       -----   -----------
</TABLE>

                                      F-33
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(7) INCOME TAXES (CONTINUED)
    Total income tax expense differed from  the amount computed by applying  the
U.S.  federal income tax  rates of 34% in  1994, 1993 and  1992 to income before
taxes as follows:

<TABLE>
<CAPTION>
                                                                             1994           1993          1992
                                                                         -------------  -------------  -----------
<S>                                                                      <C>            <C>            <C>
Computed "expected" tax expense........................................  $   1,315,000  $   1,681,000  $   397,000
State tax, net of federal benefit......................................         22,000        304,000       19,000
Research and experimentation credits...................................       (508,000)      --            --
Permanent differences:
  Research and development tax credit limitation.......................       --             --             40,000
  Foreign sales corporation adjustment.................................        (30,000)      --            --
  Non-qualified stock options..........................................        (26,000)      --            --
Temporary differences, net.............................................         45,000        296,000       59,000
Benefit of net operating loss carryforwards............................        (42,000)    (1,820,000)    (495,000)
Other, net.............................................................         91,000          4,000       31,000
                                                                         -------------  -------------  -----------
                                                                         $     867,000  $     465,000  $    51,000
                                                                         -------------  -------------  -----------
                                                                         -------------  -------------  -----------
</TABLE>

    The tax  effects of  temporary  differences that  give rise  to  significant
portions  of the deferred tax assets and  deferred tax liabilities as of October
2, 1994 and October 3, 1993 are as follows:

<TABLE>
<CAPTION>
                                                                                         1994            1993
                                                                                    --------------  --------------
<S>                                                                                 <C>             <C>
Deferred tax assets:
  Net operating loss carryforwards................................................  $      991,000  $      796,000
  Research and experimentation credit carryforwards...............................         432,000         622,000
  Warranty accrual................................................................         301,000         270,000
  State income taxes..............................................................        --                99,000
  Accrued vacation................................................................         123,000          81,000
  Allowance for doubtful accounts.................................................          37,000          46,000
  Alternative minimum tax credit carryforwards....................................          22,000          22,000
  Other...........................................................................         348,000         317,000
                                                                                    --------------  --------------
    Total gross deferred tax assets...............................................       2,254,000       2,253,000
  Less valuation allowance........................................................      (2,084,000)     (2,177,000)
                                                                                    --------------  --------------
    Net deferred tax assets.......................................................         170,000          76,000
Deferred tax liabilities:
  Differences in depreciation of equipment........................................         (90,000)        (76,000)
  State income taxes..............................................................         (51,000)       --
  Gain/loss on fixed asset disposal...............................................         (29,000)       --
                                                                                    --------------  --------------
    Total gross deferred tax liabilities..........................................        (170,000)        (76,000)
                                                                                    --------------  --------------
    Net deferred tax assets.......................................................  $     --        $     --
                                                                                    --------------  --------------
                                                                                    --------------  --------------
</TABLE>

    The valuation allowance of $2,084,000 and  $2,177,000 as of October 2,  1994
and October 3, 1993, respectively, represent deferred tax assets that may not be
realized through the reversal of future taxable temporary differences. In fiscal
year  1994,  the Company  recognized a  decrease in  the valuation  allowance of
$93,000.

    At October 2,  1994, the Company  has net operating  loss carryforwards  for
federal tax purposes amounting to approximately $1,233,000 which begin to expire
in 2004. Additionally, the Company has

                                      F-34
<PAGE>
                           PRIMARY ACCESS CORPORATION
                         NOTES TO FINANCIAL STATEMENTS

(7) INCOME TAXES (CONTINUED)
net  operating loss  carryforwards for  California state  tax reporting purposes
amounting to approximately $1,292,000 which begin to expire in 1995. The Company
has available research and experimentation credit carryforwards of approximately
$432,000 which begin to expire in 2004.

    In accordance with Internal Revenue Code Section 382, the annual utilization
of net operating loss carryforwards and tax credits is limited, since a  greater
than  50% change in  ownership occurred in  the fiscal year  ended September 30,
1990.

(8) RETIREMENT PLAN
    The Company has a  defined contribution plan  which qualifies for  treatment
under Section 401(k) of the Internal Revenue Code. The plan covers substantially
all  employees over the age  of 18. The plan allows  participants to defer 2% to
15% of their salary on a pre-tax basis.

(9) COMMITMENTS AND CONTINGENCIES

    (a)  LEASES:

    The Company leases its principal facility under an operating sublease  which
expires  March  31,  1997.  Rental  expense  was  $352,000,  $525,000, $665,000,
$158,000 and  $150,000  for the  fifty-two  weeks  ended October  2,  1994,  the
fifty-three weeks ended October 3, 1993, the fifty-two weeks ended September 27,
1992  and  the  thirteen  weeks  ended January  1,  1995  and  January  2, 1994,
respectively.

    Minimum rental  payments due  under noncancelable  operating leases  are  as
follows:

<TABLE>
<S>                                                              <C>
1995...........................................................  $  520,000
1996...........................................................     490,000
1997...........................................................     247,000
                                                                 ----------
                                                                 $1,257,000
                                                                 ----------
                                                                 ----------
</TABLE>

    (b)  PURCHASES:

    Under  a  manufacturing services  agreement with  a principal  supplier, the
Company has a commitment to purchase  $2,800,000 of inventory during the  period
from October 2, 1994 through March 1, 1995.

    (c)  LITIGATION:

    Various  claims  and legal  proceedings arising  in  the ordinary  course of
business are  pending against  the Company  seeking monetary  damages and  other
relief. The amount of liability from all claims and actions cannot be determined
with certainty, but in the opinion of management, based in part upon advice from
legal  counsel,  the  ultimate  liability from  all  pending  legal proceedings,
asserted legal claims, and  known potential legal claims  which are probable  of
assertion will not materially affect the financial position or operations of the
Company.

                                      F-35
<PAGE>
                                                                      APPENDIX A

                                   AGREEMENT
                                      AND
                             PLAN OF REORGANIZATION
                              DATED MARCH 21, 1995
                                  BY AND AMONG
               3COM CORPORATION, ANUINUI ACQUISITION CORPORATION
                                      AND
                           PRIMARY ACCESS CORPORATION
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                     PAGE
                                                                                                                   ---------
<S>        <C>        <C>                                                                                          <C>
1.         Definitions...........................................................................................          1
           1.1        "PAC Common Stock".........................................................................          1
           1.2        "PAC Components"...........................................................................          1
           1.3        "PAC Financial Statements".................................................................          1
           1.4        "PAC Options"..............................................................................          1
           1.5        "PAC Preferred Stock"......................................................................          1
           1.6        "PAC Products".............................................................................          1
           1.7        "PAC Shares"...............................................................................          2
           1.8        "PAC Stock"................................................................................          2
           1.9        "PAC Warrants".............................................................................          2
           1.10       "Adjustment"...............................................................................          2
           1.11       "Adjustment Balance Sheet".................................................................          2
           1.12       "Affiliate"................................................................................          2
           1.13       "Aggregate Purchase Price".................................................................          2
           1.14       "Average Price"............................................................................          2
           1.15       "Best Efforts".............................................................................          2
           1.17       "Buyer Options"............................................................................          2
           1.18       "Buyer Warrants"...........................................................................          2
           1.19       "Certificates".............................................................................          2
           1.20       "Closing" and "Closing Date"...............................................................          2
           1.21       "Code".....................................................................................          2
           1.22       "Commission"...............................................................................          2
           1.23       "Confidential Information".................................................................          2
           1.24       "DataNet Litigation".......................................................................          2
           1.25       "Dissenting Shares"........................................................................          2
           1.26       "Effective Date"...........................................................................          2
           1.27       "Exchange Act".............................................................................          2
           1.28       "Exchange Ratio"...........................................................................          2
           1.29       "Expiration Date"..........................................................................          2
           1.30       "Initial Price"............................................................................          2
           1.31       "Material".................................................................................          3
           1.32       "Material Adverse Change"..................................................................          3
           1.33       "Material Adverse Effect"..................................................................          3
           1.34       "Merger"...................................................................................          3
           1.35       "Agreement of Merger"......................................................................          3
           1.36       "Proprietary Rights".......................................................................          3
           1.38       "Securities"...............................................................................          3
           1.39       "Securities Act"...........................................................................          3
           1.40       "Surviving Corporation"....................................................................          3
           1.41       "Third Party Technology"...................................................................          3
           1.42       "Transaction Documents"....................................................................          3

2.         Plan of Reorganization................................................................................          3
           2.1        The Merger.................................................................................          3
           2.2        Exchange Ratio; Conversion of Shares and Assumption of Options.............................          4
           2.3        Fractional Shares..........................................................................          5
           2.4        Escrow Agreement...........................................................................          5
           2.5        Appraisal Rights...........................................................................          6
           2.6        The Closing................................................................................          6
           2.7        Effective Date.............................................................................          6
</TABLE>

                                       i
<PAGE>
                                                    TABLE OF CONTENTS, CONTINUED

<TABLE>
<CAPTION>
                                                                                                                     PAGE
                                                                                                                   ---------
<S>        <C>        <C>                                                                                          <C>
           2.8        Tax Free Reorganization....................................................................          6

3.         Representations and Warranties of PAC.................................................................          6
           3.1        Organization...............................................................................          6
           3.2        Capitalization.............................................................................          6
           3.3        Power, Authority and Validity..............................................................          6
           3.4        Financial Statements.......................................................................          8
           3.5        Tax Matters................................................................................          9
           3.6        Absence of Certain Changes or Events.......................................................          9
           3.7        Title and Related Matters..................................................................         11
           3.8        Proprietary Rights.........................................................................         11
           3.9        Employee Benefit Plans.....................................................................         12
           3.10       Bank Accounts..............................................................................         13
           3.11       Contracts..................................................................................         13
           3.12       Orders, Commitments and Returns............................................................         14
           3.13       Compliance With Law........................................................................         15
           3.14       Labor Difficulties; No Discrimination......................................................         15
           3.15       Trade Regulation...........................................................................         15
           3.16       Insider Transactions.......................................................................         16
           3.17       Employees, Independent Contractors and Consultants.........................................         16
           3.18       Insurance..................................................................................         16
           3.19       Litigation.................................................................................         16
           3.20       Governmental Authorizations and Regulations................................................         16
           3.21       Section 341(f)(2)..........................................................................         16
           3.22       Subsidiaries...............................................................................         16
           3.23       Compliance with Environmental Requirements.................................................         17
           3.24       Corporate Documents........................................................................         17
           3.25       No Brokers.................................................................................         17
           3.26       Information Supplied.......................................................................         17
           3.27       Pooling of Interests.......................................................................         17
           3.28       Disclosure.................................................................................         18

4.         Representations and Warranties of Buyer and Sub.......................................................         18
           4.1        Organization and Good Standing.............................................................         18
           4.2        Capital Structure..........................................................................         18
           4.3        Power, Authorization and Validity..........................................................         18
           4.4        No Violation of Existing Agreements........................................................         18
           4.5        Compliance With Other Instruments and Laws.................................................         19
           4.6        Litigation.................................................................................         19
           4.7        SEC Documents..............................................................................         19
           4.8        No Material Adverse Change.................................................................         19
           4.9        Information Supplied.......................................................................         19
           4.10       No Brokers.................................................................................         20
           4.11       Pooling of Interests.......................................................................         20
           4.12       Disclosure.................................................................................         20
           4.13       Investigations.............................................................................         20

5.         Preclosing Covenants of PAC...........................................................................         20
           5.1        Material Consents..........................................................................         20
           5.2        Advice of Changes..........................................................................         20
</TABLE>

                                       ii
<PAGE>
                                                    TABLE OF CONTENTS, CONTINUED

<TABLE>
<CAPTION>
                                                                                                                     PAGE
                                                                                                                   ---------
<S>        <C>        <C>                                                                                          <C>
           5.3        Conduct of Business........................................................................         20
           5.4        Risk of Loss...............................................................................         21
           5.5        Access to Information......................................................................         22
           5.6        Satisfaction of Conditions Precedent.......................................................         22
           5.7        Other Negotiations.........................................................................         22

6.         Preclosing and Other Covenants of Buyer and Sub.......................................................         22
           6.1        Advice of Changes..........................................................................         22
           6.2        Reservation of Buyer Common Stock..........................................................         22
           6.3        Satisfaction of Conditions Precedent.......................................................         22
           6.4        Nasdaq National Market Listing.............................................................         23
           6.5        Preparation of S-4 and the Proxy Statement; Other Filings..................................         23
           6.6        Preparation of S-8.........................................................................         23
           6.7        Escrow Agreement...........................................................................         24

7.         Mutual Covenants......................................................................................         24
           7.1        Confidentiality............................................................................         24
           7.2        No Public Announcement.....................................................................         25
           7.3        Regulatory Filings; Consents; Reasonable Efforts...........................................         25
           7.4        Pooling Accounting.........................................................................         25
           7.5        Tax Opinions...............................................................................         25
           7.6        Further Assurances.........................................................................         26

8.         Closing Matters.......................................................................................         26
           8.1        Filing of Agreement of Merger..............................................................         26
           8.2        Exchange of Certificates...................................................................         26
           8.3        Delivery of Documents......................................................................         27

9.         Conditions to PAC's Obligations.......................................................................         27
           9.1        Accuracy of Representations and Warranties.................................................         27
           9.2        Covenants..................................................................................         27
           9.3        No Litigation..............................................................................         27
           9.4        Authorizations.............................................................................         27
           9.5        Effectiveness of the S-4...................................................................         27
           9.6        Shareholder Approval.......................................................................         28
           9.7        Opinion of Buyer's Counsel.................................................................         28
           9.8        Government Consents........................................................................         28
           9.9        Date of Closing............................................................................         28
           9.10       Tax Opinions...............................................................................         28
           9.11       Nasdaq Listing.............................................................................         28

10.        Conditions to Buyer's and Sub's Obligations...........................................................         28
           10.1       Accuracy of Representations and Warranties.................................................         28
           10.2       Covenants..................................................................................         28
           10.3       No Litigation..............................................................................         28
           10.4       Authorizations.............................................................................         28
           10.5       No Adverse Development.....................................................................         29
           10.6       Required Consents..........................................................................         29
           10.7       Opinion of PAC's Counsel...................................................................         29
           10.8       Employment and Non-compete Agreements......................................................         29
           10.9       Employment with Buyer......................................................................         29
</TABLE>

                                      iii
<PAGE>
                                                    TABLE OF CONTENTS, CONTINUED

<TABLE>
<CAPTION>
                                                                                                                     PAGE
                                                                                                                   ---------
<S>        <C>        <C>                                                                                          <C>
           10.10      Government Consents........................................................................         29
           10.11      Date of Closing............................................................................         29

11.        Registration of Buyer Common Stock....................................................................         29
           11.1       Effectiveness..............................................................................         29

12.        Termination of Agreement..............................................................................         29
           12.1       Termination................................................................................         29
           12.2       Liability for Termination..................................................................         30
           12.3       Certain Effects of Termination.............................................................         30
           12.4       Remedies...................................................................................         30
           12.5       Right to Damages...........................................................................         30

13.        Escrow and Indemnification............................................................................         31
           13.1       Survival of Representations and Covenants..................................................         31
           13.2       Escrow Fund................................................................................       A-31
           13.3       Escrow Fund Limitations....................................................................       A-31
           13.4       Damage Threshold...........................................................................       A-32
           13.5       Escrow Period..............................................................................       A-32
           13.6       Claims Upon Escrow Fund....................................................................       A-32
           13.7       Valuation of Escrow Shares.................................................................       A-33
           13.8       Objections to Claims.......................................................................       A-33
           13.9       Resolution of Conflicts; Arbitration.......................................................       A-33
           13.10      Shareholders' Agents.......................................................................       A-34
           13.11      Actions of the Shareholders' Agents........................................................       A-34
           13.12      Control of Litigation......................................................................       A-34
           13.13      Other Provisions...........................................................................       A-35

14.        Miscellaneous.........................................................................................         35
           14.1       Governing Laws.............................................................................         35
           14.2       Binding upon Successors and Assigns........................................................         35
           14.3       Severability...............................................................................         35
           14.4       Entire Agreement...........................................................................         36
           14.5       Counterparts...............................................................................         36
           14.6       Expenses...................................................................................         36
           14.7       Amendment and Waivers......................................................................         36
           14.8       Survival of Agreements.....................................................................         36
           14.9       Knowledge..................................................................................         36
           14.10      No Waiver..................................................................................         36
           14.11      Attorneys' Fees............................................................................         36
           14.12      Notices....................................................................................         37
           14.13      Time.......................................................................................         37
           14.14      Construction of Agreement..................................................................         37
           14.15      No Joint Venture...........................................................................         37
           14.16      Pronouns...................................................................................         37
           14.17      Further Assurances.........................................................................         37
           14.18      Absence of Third Party Beneficiary Rights..................................................         38
</TABLE>

                                       iv
<PAGE>
                      AGREEMENT AND PLAN OF REORGANIZATION

    This  AGREEMENT AND PLAN OF REORGANIZATION (the "Agreement") is entered into
this 21st  day of  March, 1995,  by  and among  3Com Corporation,  a  California
corporation ("Buyer"), Anuinui Acquisition Corporation, a California corporation
and  a wholly-owned subsidiary of Buyer ("Sub"), and Primary Access Corporation,
a California corporation ("PAC").

                                    RECITALS

    WHEREAS, subject to and in accordance with the terms and conditions of  this
Agreement  and pursuant to the Agreement of  Merger attached hereto as EXHIBIT A
("Agreement of Merger"), the  respective Boards of Directors  of Buyer, Sub  and
PAC  and Buyer, as sole shareholder of Sub, have approved the merger of Sub with
and into PAC (the "Merger"), whereby each issued and outstanding share of common
stock, no par value per share, of  PAC ("PAC Common Stock") and each issued  and
outstanding  share of  preferred stock,  no par  value per  share, of  PAC ("PAC
Preferred Stock") (together, the "PAC Stock")  will be converted into the  right
to  receive common  stock, no  par value,  of Buyer  ("Buyer Common  Stock"), as
provided herein;

    WHEREAS, for federal  income tax purposes,  it is intended  that the  Merger
shall  qualify as a plan of reorganization within the meaning of the regulations
issued pursuant to Section 368 of the Internal Revenue Code of 1986, as  amended
(the "Code");

    WHEREAS,  the Merger is intended  to be treated as  a "pooling of interests"
transaction for accounting  purposes and  Deloitte &  Touche LLP  and KPMG  Peat
Marwick  LLP, the independent accountants for  Buyer and PAC, respectively, have
each confirmed to Buyer and PAC in writing that they have reviewed to the extent
they deemed necessary the terms and structure of the Merger and that, as of  the
date  of this Agreement, they know of nothing that will prohibit the Merger from
being treated as a "pooling of interests" transaction for accounting purposes;

    WHEREAS, certain PAC shareholders have executed voting agreements  regarding
voting in favor of the Merger and PAC has granted an option to Buyer (the "Buyer
Merger  Option")  to  acquire  a  number  of PAC  shares  equal  to  20%  of the
outstanding shares of PAC (the "Related Agreements"); and

    WHEREAS, the parties  hereto desire  to set  forth certain  representations,
warranties  and covenants  made by  each to  the other  as an  inducement to the
consummation of the Merger.

                                   AGREEMENT

    NOW, THEREFORE, in  reliance on the  foregoing recitals and  in and for  the
consideration  and  mutual  covenants set  forth  herein, the  parties  agree as
follows:

    1.  DEFINITIONS.

        1.1   "PAC  Common  Stock" shall  have  the  meaning set  forth  in  the
    Recitals.

        1.2  "PAC Components" shall have the meaning set forth in Section 3.8.

        1.3   "PAC  Financial Statements"  shall have  the meaning  set forth in
    Section 3.4(a).

        1.4  "PAC  Options" shall mean  the outstanding options  to acquire  PAC
    Stock  held by PAC  employees, consultants and  non-employee directors other
    than the Buyer Merger Option.

        1.5   "PAC Preferred  Stock" shall  have the  meaning set  forth in  the
    Recitals.

        1.6   "PAC Products" shall mean  all versions and implementations of any
    product which has been  or is being  marketed by PAC  or currently is  under
    development,   and   all  patents,   patent  applications,   trade  secrets,
    copyrights, trademarks,  trade names  and other  proprietary rights  related
    thereto.

                                      A-1
<PAGE>
        1.7   "PAC Shares" shall mean the shares of PAC capital stock issued and
    outstanding at the Effective Date of  the Merger, other than the  Dissenting
    Shares.

        1.8  "PAC Stock" shall have the meaning set forth in the Recitals.

        1.9   "PAC  Warrants" shall  mean the  warrants or  other similar rights
    (other than PAC Options) to acquire shares of stock of PAC other than  those
    held by Buyer.

        1.10  "Adjustment" shall have the meaning set forth in Section 2.2(a).

        1.11   "Adjustment  Balance Sheet" shall  have the meaning  set forth in
    Section 2.2(a).

        1.12  "Affiliate"  shall have  the meaning set  forth in  the rules  and
    regulations promulgated by the Commission pursuant to the Securities Act.

        1.13   "Aggregate  Purchase Price" shall  have the meaning  set forth in
    Section 2.2(a).

        1.14   "Average Price"  shall  have the  meaning  set forth  in  Section
    2.2(b).

        1.15    "Best Efforts"  shall  mean the  efforts  that a  prudent person
    desirous of achieving a result would use in similar circumstances to  ensure
    that  such  result  is  achieved  as  expeditiously  as  possible; provided,
    however, that an obligation  to use Best Efforts  under this Agreement  does
    not require the person subject to that obligation to take actions that would
    result  in a Material Adverse Change in  the benefits to such person of this
    Agreement and the transactions contemplated hereby.

        1.16   "Buyer Common  Stock" shall  have the  meaning set  forth in  the
    Recitals.

        1.17    "Buyer Options"  shall  have the  meaning  set forth  in Section
    2.2(f).

        1.18  "Buyer Warrants" shall mean  the warrants or other similar  rights
    to  acquire Buyer Common Stock issued by  Buyer in exchange for PAC Warrants
    pursuant to the Merger.

        1.19  "Certificates" shall have the meaning set forth in Section 8.2.

        1.20  "Closing" and "Closing Date" shall have the meanings set forth  in
    Section 2.6.

        1.21  "Code" shall have the meaning set forth in the Recitals.

        1.22   "Commission" shall mean the United States Securities and Exchange
    Commission.

        1.23  "Confidential Information" shall mean confidential information  of
    a party ("Disclosing Party") which is disclosed to another party ("Receiving
    Party").  Confidential  Information shall  include, but  not be  limited to,
    trade secrets,  know-how,  inventions,  techniques,  processes,  algorithms,
    software programs, schematics, designs, contracts, customer lists, financial
    information, sales and marketing plans and business information.

        1.24   "DataNet Litigation" shall have  the meaning set forth in Section
    13.2.

        1.25  "Dissenting Shares" shall mean those shares held by holders of PAC
    Stock who perfect their appraisal rights  under the laws of California  with
    respect thereto.

        1.26  "Effective Date" shall have the meaning set forth in Section 2.7.

        1.27   "Exchange Act" shall mean the Securities Exchange Act of 1934, as
    amended, or any substituted  federal statute and  the rules and  regulations
    thereunder, all as the same shall be in effect at the time.

        1.28   "Exchange  Ratio" shall  mean the  fraction of  a share  of Buyer
    Common Stock to be issued for a share of PAC Stock pursuant to Section 2.2.

        1.29  "Expiration Date" shall have the meaning set forth in Section 5.7.

        1.30   "Initial Price"  shall  have the  meaning  set forth  in  Section
    2.2(b).

                                      A-2
<PAGE>
        1.31   "Material" shall  mean that the financial  impact of or liability
    relating to a  matter is of  a magnitude  that it would  have been  material
    under  U.S.  generally accepted  accounting  principles ("GAAP")  as  to the
    following financial statements (i)  if the reference is  to PAC, of PAC  for
    the period ending and as of January 1, 1995, and (ii) if the reference is as
    to 3Com, of 3Com for the period ending and as of February 28, 1995.

        1.32   "Material Adverse Change" shall mean  a change which would have a
    Material Adverse Effect.

        1.33  "Material Adverse Effect" shall  mean, with respect to any  person
    or  entity, any  event, change  or effect  that is  material (as  defined in
    Section 1.31) and adverse to PAC or Buyer.

        1.34  "Merger" shall have the meaning set forth in Recitals.

        1.35  "Agreement  of Merger"  shall have the  meaning set  forth in  the
    Recitals.

        1.36   "Proprietary Rights" shall have  the meaning set forth in Section
    3.8(a).

        1.37   "Related Agreements"  shall have  the meaning  set forth  in  the
    Recitals.

        1.38  "Securities" shall mean the PAC Shares, Dissenting Shares, the PAC
    Options and PAC Warrants.

        1.39    "Securities  Act" shall  mean  the  Securities Act  of  1933, as
    amended, or any substituted  federal statute and  the rules and  regulations
    thereunder, all as the same shall be in effect at the time.

        1.40    "Surviving  Corporation" shall  have  the meaning  set  forth in
    Section 2.1.

        1.41   "Third Party  Technology" shall  have the  meaning set  forth  in
    Section 3.8.

        1.42   "Transaction  Documents" shall  mean all  documents or agreements
    required to be delivered by any  party hereunder including the Agreement  of
    Merger and Escrow Agreement and the Related Agreements.

    2.  PLAN OF REORGANIZATION.

        2.1   THE MERGER.  Subject to the terms and conditions of this Agreement
    and the  Agreement of  Merger, Sub  shall be  merged with  and into  PAC  in
    accordance with the applicable provisions of the laws of California and with
    the  terms and conditions of this Agreement  and the Agreement of Merger, so
    that:

           (a) At the Effective Date, Sub shall be merged with and into PAC.  As
       a  result of  the Merger, the  separate corporate existence  of Sub shall
       cease and  PAC shall  continue as  the surviving  corporation  (sometimes
       referred  to herein as the "Surviving  Corporation") and shall succeed to
       and assume all of  the rights and obligations  of Sub in accordance  with
       the laws of California.

           (b)  The  Articles  of  Incorporation and  Bylaws  of  Sub  in effect
       immediately prior  to  the  Effective  Date  shall  be  the  Articles  of
       Incorporation  and Bylaws,  respectively, of  Surviving Corporation after
       the Effective Date unless and until further amended as provided by law.

           (c) The  directors  and officers  of  Sub immediately  prior  to  the
       Effective  Date  shall be  the directors  and  officers of  the Surviving
       Corporation after the Effective Date. Such directors

                                      A-3
<PAGE>
       and  officers  shall   hold  their  position   until  the  election   and
       qualification  of their  respective successors  or until  their tenure is
       otherwise  terminated  in  accordance   with  the  Bylaws  of   Surviving
       Corporation.

        2.2  EXCHANGE RATIO; CONVERSION OF SHARES AND ASSUMPTION OF OPTIONS.

           (a)  The "Exchange Ratio" for the  conversion of the PAC Common Stock
       and the PAC Preferred Stock shall be determined by dividing the Aggregate
       Purchase Price  by the  Average Price  and then  dividing such  foregoing
       quotient  by the sum  of (i) the  total number of  issued and outstanding
       shares of PAC Common Stock, plus (ii)  the total number of shares of  PAC
       Common  Stock  issuable upon  conversion  of all  issued  and outstanding
       shares of PAC Preferred Stock, plus  (iii) the total number of shares  of
       PAC  Common Stock issuable upon exercise  of PAC Options and PAC Warrants
       outstanding at the Effective Date.  The "Aggregate Purchase Price"  shall
       equal One Hundred Seventy Million Dollars ($170,000,000), less the amount
       of  the Adjustment.  The "Adjustment" shall  equal the  decrease, if any,
       between (a) the net book value of PAC as of January 1, 1995 as set  forth
       in  financial  statements  previously delivered  to  Buyer  (and attached
       hereto as EXHIBIT B)  and (b) the sum  of (1) the net  book value of  PAC
       (determined in accordance with GAAP) as of April 2, 1995 (the "Adjustment
       Balance  Sheet"), plus (2) the amount of  any fees which are permitted to
       and have been  paid or  accrued by or  on account  of PAC or  any of  its
       shareholders  under Section 14.6, plus (3) any amount of litigation costs
       or settlement  costs related  to the  DataNet Litigation  (as defined  in
       Section  13.2) incurred by PAC between the date of this Agreement and the
       Closing Date. The Adjustment  shall be increased by  the amount, if  any,
       required  under Section 14.6  regarding fees and expenses  of PAC, or its
       shareholders, in excess of $1,750,000. The parties shall jointly  prepare
       the  Adjustment Balance  Sheet. In  the event  there is  any disagreement
       regarding the Adjustment  Balance Sheet, the  parties shall resolve  such
       disagreement  prior to the  Closing in good faith  negotiation and, if it
       cannot be  promptly  resolved,  the  matter  shall  be  submitted  to  an
       independent  accountant not affiliated  with either party  to be mutually
       agreed upon by both parties whose determination the parties shall accept,
       provided that  such determination  does not  result in  an Adjustment  in
       excess  of $750,000. If the determination of such accountant would result
       in an  Adjustment in  excess of  $750,000, PAC  shall have  the right  to
       submit  any  disagreement regarding  the  Adjustment Balance  Sheet  to a
       binding arbitration in the manner set forth in Section 13.9 and shall not
       be required to close the  transactions contemplated under this  Agreement
       before such arbitration is completed.

           (b)  The "Average Price"  shall mean the average  of the closing sale
       prices of Buyer Common Stock reported in the WALL STREET JOURNAL, on  the
       basis  of information provided by the  Nasdaq National Market for each of
       the ten  trading  days  immediately preceding  (but  not  including)  the
       Closing  Date. Notwithstanding the above, if the Average Price is greater
       than 1.05 times the Initial Price,  then the Exchange Ratio shall be  the
       number  of shares resulting from dividing the Aggregate Purchase Price by
       the product  of 1.05  times  the Initial  Price,  and then  dividing  the
       foregoing  quotient by the sum  of (i), (ii) and  (iii) in Section 2.2(a)
       above. If the  Average Price is  less than .95  times the Initial  Price,
       then  the Exchange  Ratio shall  be the  number of  shares resulting from
       dividing the Aggregate  Purchase Price by  the product of  .95 times  the
       Initial  Price, and then dividing  such quotient by the  sum of (i), (ii)
       and (iii)  in Section  2.2(a) above.  The "Initial  Price" shall  be  the
       closing  sale price of Buyer Common Stock  on March 13, 1995 as quoted on
       the Nasdaq National Market and as reported in the WALL STREET JOURNAL.

           (c) If, between the  date of this Agreement  and the Effective  Date,
       the outstanding shares of Buyer Common Stock shall have been changed into
       a  different  number of  shares or  a  different class  by reason  of any
       reclassification, split-up, stock dividend or stock combination, then the
       Exchange Ratio shall be correspondingly adjusted.

                                      A-4
<PAGE>
           (d) Each share of PAC Stock, issued and outstanding immediately prior
       to the Effective Date, will by virtue of the Merger and at the  Effective
       Date,  automatically and without further action on the part of any holder
       thereof, be converted  into such fraction  of a share  of fully paid  and
       nonassessable  shares of Buyer  Common Stock as is  equal to the Exchange
       Ratio.

           (e) Each  share  of  common  stock  of  Sub  issued  and  outstanding
       immediately  prior to the Effective  Date shall automatically and without
       any action  on the  part of  the  holder thereof  be converted  into  one
       validly issued, fully paid and nonassessable share of common stock of the
       Surviving Corporation.

           (f)  Each PAC  Option that  is outstanding  immediately prior  to the
       Effective Date shall, by virtue of the Merger and at the Effective  Date,
       automatically  and  without  further action  on  the part  of  any holder
       thereof, be  assumed by  Buyer and  converted into  an option  (a  "Buyer
       Option")  to purchase that  number of shares of  Buyer Common Stock which
       equals the  Exchange Ratio  multiplied by  the number  of shares  of  PAC
       Common Stock purchasable under the PAC Common Option immediately prior to
       the  Effective Date (with the resulting  number of shares of Buyer Common
       Stock rounded up  to the nearest  whole number). The  exercise price  per
       share of Buyer Common Stock purchasable under each such Buyer Option will
       be equal to the exercise price of the PAC Common Option (per share of PAC
       Common  Stock) divided by  the Exchange Ratio  (with the resulting amount
       rounded up to the  nearest whole cent).  Continuous employment with  PAC,
       whether  occurring before or after the  Effective Date, shall be credited
       to an optionee for purposes of  determining the number of shares  subject
       to  exercise, vesting or  repurchase after the  Effective Date. After the
       Effective Date, Buyer shall  issue to each holder  of an outstanding  PAC
       Option  a  document  evidencing  the foregoing  assumption  by  Buyer. No
       fractional shares of  Buyer Common  Stock shall be  issued in  connection
       with  Buyer  Options.  All  fractional shares  which  would  otherwise be
       issuable shall be rounded  up to the  next full share.  All of the  other
       terms  of each  Buyer Option  including, without  limitation, the vesting
       period, will remain the same as the corresponding assumed PAC Option.

           (g) Each PAC  Warrant that  is outstanding immediately  prior to  the
       Effective  Date shall, by virtue of the Merger and without further action
       on the part of any holder, be assumed by Buyer at the Effective Date  and
       converted into a Buyer Warrant. The Buyer Warrants will continue to be on
       the  terms and conditions set forth  in the respective warrant agreements
       of the  PAC  Warrants,  except  that: (i)  the  Buyer  Warrant  shall  be
       exercisable  for a number  of shares of  Buyer Common Stock  equal to the
       number of shares  of PAC  Stock subject  to the  PAC Warrant  immediately
       prior  to the Effective  Date multiplied by the  Exchange Ratio (with the
       resulting number  of shares  of  Buyer Common  Stock  rounded up  to  the
       nearest  whole number),  (ii) the  per share  exercise price  shall be an
       amount equal to the per share exercise price of the PAC Warrant prior  to
       the Closing Date divided by the Exchange Ratio (with the resulting amount
       rounded  up to  the nearest  whole cent).  No fractional  shares of Buyer
       Common Stock shall be issued in  connection with the Buyer Warrants.  All
       fractional  shares which would otherwise be  issuable shall be rounded up
       to the next full share.

        2.3  FRACTIONAL SHARES.  No fractional shares of Buyer Common Stock will
    be issued in connection with the Merger, but in lieu thereof, holders of PAC
    Stock who would otherwise be  entitled to receive a  fraction of a share  of
    Buyer  Common Stock  will receive from  Buyer, promptly  after the Effective
    Date, an amount of  cash equal to  the Average Price  of Buyer Common  Stock
    multiplied  by the fraction of  a share of Buyer  Common Stock to which such
    holder would otherwise be entitled.

        2.4  ESCROW AGREEMENT.  (i) At the Effective Date, Buyer will deposit in
    escrow certificates representing ten  percent (10%) of  the shares of  Buyer
    Common Stock issued to the holders of PAC Stock in the Merger, on a pro rata
    basis;   and  (ii)  upon  each  exercise  of  the  Buyer  Options  that  are

                                      A-5
<PAGE>
    issued to holders of PAC Options in  the Merger, if such occurs between  the
    Effective  Date and on or  before the final escrow  release date, Buyer will
    deposit in escrow certificates representing ten percent (10%) of the  shares
    of  Buyer Common Stock  issued upon such exercise.  Such shares (the "Escrow
    Shares") shall be held as  collateral for PAC's indemnification  obligations
    under  Section 13 and pursuant to the provisions of an escrow agreement (the
    "Escrow Agreement") to be executed pursuant to Section 6.7.

        2.5   APPRAISAL  RIGHTS.   If  holders  of  PAC Stock  are  entitled  to
    appraisal  rights in connection with the Merger, any Dissenting Shares shall
    not be converted into  a right to  receive Buyer Common  Stock but shall  be
    converted  into the right to receive such consideration as may be determined
    to be due with respect to such Dissenting Shares pursuant to the laws of the
    State of  California. PAC  shall  give Buyer  prompt  notice of  any  demand
    received by PAC for appraisal of PAC capital stock, and Buyer shall have the
    right  to participate  in all negotiations  and proceedings  with respect to
    such demand. PAC agrees that, except with the prior written consent of Buyer
    or as required under the General Corporation Law of the State of  California
    (the  "CGCL"), it will not voluntarily make  any payment with respect to, or
    settle or offer  to settle, any  such demand for  appraisal. Each holder  of
    Dissenting Shares ("Dissenting Shareholder") who, pursuant to the provisions
    of the CGCL, becomes entitled to payment of the value of shares of PAC Stock
    shall  receive payment therefor from PAC  (but only after the value therefor
    shall  have  been  agreed  upon  or  finally  determined  pursuant  to  such
    provisions).  In the event of legal  obligation, after the Effective Date of
    the Merger, to deliver a right to receive Buyer Common Stock to a holder  of
    shares  of PAC  capital stock  who shall  have failed  to make  an effective
    demand for  appraisal  or  shall  have  lost  his  status  as  a  Dissenting
    Shareholder,   Buyer  shall  issue  and  deliver,  upon  surrender  by  such
    Dissenting Shareholder  of  his  certificate  or  certificates  representing
    shares  of  PAC  Stock, the  Buyer  Common  Stock to  which  such Dissenting
    Shareholder is then  entitled under this  Section 2.5 and  the Agreement  of
    Merger.

        2.6   THE CLOSING.  Subject to termination of this Agreement as provided
    in Section 12 below,  the closing of the  transactions contemplated by  this
    Agreement  (the "Closing") shall take place at the offices of Gray Cary Ware
    & Freidenrich, A Professional Corporation,  400 Hamilton Avenue, Palo  Alto,
    California,  as  soon as  possible upon  the satisfaction  or waiver  of all
    conditions set  forth in  Section  9 and  Section  10 hereof  (the  "Closing
    Date"),  or  such other  time  and place  as  is mutually  agreeable  to the
    parties.

        2.7  EFFECTIVE DATE.  Simultaneously with the Closing, the Agreement  of
    Merger, together with all required officers' certificates, shall be filed in
    the offices of the Secretary of State of the State of California. The Merger
    shall  become effective immediately upon the  date stamped by the California
    Secretary  of  State  upon  the  Agreement  of  Merger  and  such  officers'
    certificates (such date is referred to as the "Effective Date").

        2.8  TAX FREE REORGANIZATION.  The parties intend to adopt and hereby do
    adopt  this Agreement as a plan of  reorganization within the meaning of the
    regulations issued  pursuant  to Section  368  of  the Code  and  intend  to
    consummate  the  Merger  in  accordance  with  the  provisions  of  Sections
    368(a)(1)(A) and (a)(2)(E) of the Code.  Each party agrees that it will  not
    take or assert any position on any tax return, report, or otherwise which is
    inconsistent with the qualification of the Merger as a reorganization within
    the   meaning  of   Section  368(a)   of  the   Code.  The   provisions  and
    representations contained or referred to  in this Section 2.8 shall  survive
    until the expiration of the applicable statute of limitations.

    3.  REPRESENTATIONS AND WARRANTIES OF PAC.  Except as otherwise set forth in
the  "PAC  Disclosure  Schedule"  provided  to Buyer  on  the  date  hereof, PAC
represents and warrants  to Buyer as  set forth below.  No fact or  circumstance
disclosed  to Buyer shall  constitute an exception  to these representations and
warranties unless such fact or circumstance  is set forth in the PAC  Disclosure
Schedule  attached  hereto  or  such  supplements  thereto.  Whenever  the  term
"enforceable in accordance  with its terms"  or like expression  is used, it  is
understood that excepted therefrom are any limitations on

                                      A-6
<PAGE>
enforceability   under   applicable   bankruptcy,   insolvency,  reorganization,
moratorium or other  laws of  general application affecting  the enforcement  of
creditor's  rights and any limitations on the availability of equitable remedies
that are subject  to the  discretion of the  court before  which any  proceeding
seeking such remedies may be brought.

        3.1    ORGANIZATION.    PAC is  a  corporation  duly  organized, validly
    existing and in good standing under the laws of the State of California  and
    has  corporate power  and authority to  carry on  its business as  it is now
    being conducted. PAC  is duly qualified  or licensed to  do business and  in
    good  standing in each jurisdiction  in which the nature  of its business or
    properties  makes  such  qualification  or  licensing  necessary.  The   PAC
    Disclosure Schedule contains a true and complete listing of the locations of
    all  sales  offices,  manufacturing  facilities, and  any  other  offices or
    facilities of PAC and a  true and complete list of  all states in which  PAC
    maintains  any employees.  The PAC Disclosure  Schedule contains  a true and
    complete list  of all  states in  which PAC  is duly  qualified to  transact
    business  as  a  foreign  corporation. True  and  complete  copies  of PAC's
    Articles of Incorporation and By-laws, as  in effect on the date hereof  and
    as  to be in effect  immediately prior to the  Closing have been provided to
    Buyer or its representatives.

        3.2  CAPITALIZATION.

           (a) The  authorized capital  stock of  PAC  as of  the date  of  this
       Agreement  consists of:  (i) 20,000,000 shares  of Common  Stock and (ii)
       10,000,000 shares of Preferred Stock and as of the date of this Agreement
       1,586,865 shares  of  PAC  Common  Stock  and  8,403,722  shares  of  PAC
       Preferred  Stock are issued  and outstanding and held  of record by PAC's
       shareholders as set forth and identified in the shareholder list provided
       to Buyer or its representatives.

           (b) On the  date of  this Agreement  2,900,000 shares  of PAC  Common
       Stock  are available or reserved for  issuance under the PAC Stock Option
       Plan (the "PAC  Plan"), and as  of the date  of this Agreement  1,951,642
       shares  are subject  to outstanding options  and held of  record by PAC's
       option holders as  set forth  and identified  in the  option holder  list
       provided  to  Buyer or  its representatives,  and  117,000 shares  of PAC
       Common Stock are  reserved for  issuance and subject  to outstanding  PAC
       Warrants.  The  holders of  the PAC  Warrants  are set  forth on  the PAC
       Disclosure Schedule.

           (c) All of the outstanding  Securities have been duly authorized  and
       are  validly  issued,  fully  paid  and  nonassessable.  All  outstanding
       Securities were  issued in  compliance with  applicable securities  laws.
       None  of the outstanding Securities were issued in consideration in whole
       or in  part for  any  contribution, transfer  or  assignment of  the  PAC
       Products  or  any proprietary  rights  incorporated therein  or otherwise
       related thereto.  Except as  otherwise set  forth in  the PAC  Disclosure
       Schedule,  PAC does not have any other shares of its capital stock issued
       or outstanding and  does not  have any  other outstanding  subscriptions,
       options,  warrants, rights or other  agreements or commitments obligating
       PAC to issue shares of its capital stock or other securities.

        3.3  POWER, AUTHORITY AND VALIDITY.

           (a) PAC has  the corporate  power and  authority to  enter into  this
       Agreement  and the other Transaction Documents to which it is a party and
       to carry out its obligations hereunder and thereunder. The execution  and
       delivery of this Agreement and the Transaction Documents to which it is a
       party  and the consummation  of the transactions  contemplated hereby and
       thereby have been duly authorized by  the Board of Directors of PAC,  and
       no  other corporate proceedings,  other than shareholder  approval of the
       Merger,  are  necessary  to  authorize  this  Agreement  and  the   other
       Transaction  Documents.  PAC is  not subject  to  or obligated  under any
       charter, bylaw or contract provision or any license, franchise or permit,
       or subject to any order or decree, which would be breached or violated in
       a Material  manner by  or in  Material conflict  with its  executing  and
       carrying out this Agreement and the

                                      A-7
<PAGE>
transactions  contemplated  hereunder and  under  the Transaction  Documents. To
PAC's knowledge,  except for  (i) the  filing of  a premerger  notification  and
report  form by Buyer and PAC under the Hart-Scott-Rodino Antitrust Improvements
Act of 1976, as  amended (the "HSR  Act"), (ii) the filing  of the Agreement  of
Merger  and any required  officers' certificates with the  Secretary of State of
the State of California and appropriate documents with the relevant  authorities
of  other states in which  the Buyer is qualified  to do business, (iii) filings
under applicable  securities  laws  and (iv)  such  other  consents,  approvals,
orders,  authorizations,  registrations,  declarations  and  filings  as  may be
required under the  laws of any  foreign country in  which Buyer or  any of  the
Buyer's  subsidiaries conducts any  business or owns any  property or assets, no
consent of any person who  is a party to a  contract which is Material to  PAC's
business,  nor consent of any governmental authority, is required to be obtained
on the part of PAC to  permit the transactions contemplated herein and  continue
the business activities of PAC as previously conducted by PAC without a Material
Adverse  Change. This Agreement is, and the other Transaction Documents to which
PAC is  a party  when executed  and delivered  by PAC  shall be,  the valid  and
binding  obligations  of PAC  enforceable  in accordance  with  their respective
terms.

           (b) All PAC Options  outstanding as of the  Effective Date have  been
       issued  in accordance with the terms of  the PAC Plan and pursuant to the
       standard forms of option agreement  previously provided to legal  counsel
       for  Buyer.  No  option  will  by  its  terms  require  an  adjustment in
       connection with the Merger. Neither the transactions contemplated by this
       Agreement nor any action taken by PAC will result in (i) any acceleration
       of vesting in favor of any optionee under an option; (ii) any  additional
       benefits  for any  optionee under  an option;  or (iii)  the inability of
       Buyer after the Effective Date to  exercise any right or benefit held  by
       PAC  prior to  the Effective  Date with respect  to an  option assumed by
       Buyer,  including,  without  limitation,  the  right  to  repurchase   an
       optionee's  unvested shares on termination of such optionee's employment.
       The assumption by Buyer of PAC Options in accordance with Section  2.2(f)
       hereunder  will not (i) give the optionees additional benefits which they
       did not have under their options  prior to such assumption (after  taking
       into  account  the  existing provisions  of  the options,  such  as their
       respective exercise prices and vesting  schedules) and (ii) constitute  a
       breach of the PAC Plan or any Material agreement entered into pursuant to
       such plan.

        3.4  FINANCIAL STATEMENTS.

           (a)  PAC has  delivered to  Buyer copies  of PAC's  unaudited balance
       sheet as of January 1,  1995 and statements of operations,  shareholders'
       equity  and  cash  flow for  the  period then-ended  (the  "PAC Unaudited
       Financials") and the  audited balance  sheet as  of October  2, 1994  and
       statements  of  operations, shareholder's  equity and  cash flow  for the
       period then ended (collectively, the "PAC Financial Statements").

           (b) The PAC Financial Statements are complete and in accordance  with
       the  books and records of PAC and present fairly in all Material respects
       the financial  position of  PAC as  of their  historical dates.  The  PAC
       Financial  Statements have been prepared  in accordance with GAAP (except
       as to the PAC Unaudited Financials, for the absence of footnotes) applied
       on a  basis consistent  with  prior periods.  Except  and to  the  extent
       reflected or reserved against in such balance sheets (including the notes
       thereto),  PAC does not have, as of the dates of such balance sheets, any
       Material liabilities or obligations (absolute or contingent) of a  nature
       required  or  customarily  reflected in  a  balance sheet  (or  the notes
       thereto)  prepared  in  accordance  with  GAAP.  The  reserves,  if  any,
       reflected  on the PAC  Financial Statements are adequate  in light of the
       contingencies with  respect to  which they  are made.  The statements  of
       operations,  shareholder's  equity  and  cash flow  are  complete  and in
       accordance with the books  and records of PAC  and present fairly in  all
       Material  respects  the results  of  operations, equity  transactions and
       changes of PAC for the periods indicated.

           (c) PAC has no Material debt, liability, or obligation of any nature,
       whether accrued, absolute, contingent, or  otherwise, and whether due  or
       to become due, that is not reflected or

                                      A-8
<PAGE>
       reserved  against in the  PAC Unaudited Financials,  except for those (i)
       that may  have  been  incurred  after  the  date  of  the  PAC  Financial
       Statements  or (ii)  that are not  required by  GAAP to be  included in a
       balance sheet or the notes thereto,  except that PAC has not  established
       any  reserves with  respect to  the costs  and fees  associated with this
       Agreement and the transactions  contemplated hereby. All Material  debts,
       liabilities, and obligations incurred after the date of the PAC Financial
       Statements  were incurred  in the  ordinary course  of business,  and are
       usual and normal in amount both individually and in the aggregate.

        3.5  TAX MATTERS.

           (a) PAC  has fully  and  timely, properly  and accurately  filed  all
       Material  tax returns and  reports required to be  filed by it, including
       all federal, foreign, state and local  tax returns and estimates for  all
       years  and periods  (and portions  thereof) for  which any  such returns,
       reports or estimates were  due. All such  returns, reports and  estimates
       were  prepared  in the  manner required  by  applicable law.  All income,
       sales, use, occupation, property or  other taxes or assessments due  from
       PAC   have  been  paid.  There   are  no  pending  assessments,  asserted
       deficiencies or claims for additional taxes that have not been paid.  The
       reserves for taxes, if any, reflected on the PAC Financial Statements are
       adequate  and there are no tax liens on any property or assets of PAC. To
       PAC's knowledge, there  have been no  audits or examinations  of any  tax
       returns  or reports  by any applicable  governmental agency.  No state of
       facts exists  or  has existed  which  would constitute  grounds  for  the
       assessment  of  any  Material  penalty or  of  any  Material  further tax
       liability beyond that  shown on  the respective tax  reports, returns  or
       estimates.  There are no outstanding  agreements or waivers extending the
       statutory period of limitation applicable to any federal, state or  local
       income tax return or report for any period.

           (b)  All Material  taxes which  PAC has  been required  to collect or
       withhold have  been  duly  withheld  or  collected  and,  to  the  extent
       required, have been paid to the proper taxing authority.

           (c)  PAC  is not  a  party to  any  tax-sharing agreement  or similar
       arrangement with any other party.

           (d) At no  time has  PAC been  included in  the federal  consolidated
       income tax return of any affiliated group of corporations.

           (e)  No payment which PAC is obliged to pay to any director, officer,
       employee or independent contractor pursuant to the terms of an employment
       agreement, severance  agreement or  otherwise will  constitute an  excess
       parachute payment as defined in Section 280G of the Code.

           (f)  To  PAC's knowledge,  PAC will  not be  required to  include any
       Material adjustment  in taxable  income for  any tax  period (or  portion
       thereof)  ending after the Closing Date pursuant to Section 481(c) of the
       Code or any provision of the  tax laws of any jurisdiction requiring  tax
       adjustments  as a result of a  change in method of accounting implemented
       by PAC prior  the Closing Date  for any tax  period (or portion  thereof)
       ending on or before the Closing Date or pursuant to the provisions of any
       agreement  entered into by PAC prior to  the Closing Date with any taxing
       authority with regard to the tax liability of PAC for any tax period  (or
       portion thereof) ending on or before the Closing Date.

           (g) PAC is not currently under any contractual obligation to pay to a
       governmental  body or agency  any tax obligations of,  or with respect to
       any transaction relating to, any other  person or to indemnify any  other
       person with respect to any tax.

        3.6  ABSENCE OF CERTAIN CHANGES OR EVENTS.  From January 1, 1995, to the
    date of this Agreement, PAC has not:

                                      A-9
<PAGE>
           (a)  suffered any Material Adverse  Change in its financial condition
       or in the operations of its business, nor any Material Adverse Change  in
       its  balance sheet (with the PAC  Financial Statements and any subsequent
       balance sheet analyzed as if each  had been prepared according to  GAAP),
       and including but not limited to cash distributions or Material decreases
       in the net assets of PAC;

           (b)  suffered  any damage,  destruction or  loss, whether  covered by
       insurance or not that  has resulted in a  Material Adverse Effect on  its
       business;

           (c)  granted  or  agreed to  make  any increase  in  the compensation
       payable or to become payable by PAC to its officers or employees,  except
       those occurring in the ordinary course of business;

           (d)  declared,  set aside  or  paid any  dividend  or made  any other
       distribution on or in respect of the  shares of the capital stock of  PAC
       or  declared any direct  or indirect redemption,  retirement, purchase or
       other acquisition by PAC of such shares;

           (e) issued  any shares  of  capital stock  of  PAC or  any  warrants,
       rights,  options or entered into any commitment relating to the shares of
       PAC except for  the issuance of  PAC Shares pursuant  to the exercise  of
       outstanding PAC Options and the Buyer Merger Option;

           (f)  made  any  change  in the  accounting  methods  or  practices it
       follows, whether for general financial or tax purposes, or any change  in
       depreciation  or  amortization  policies  or  rates  adopted  therein  or
       increased the reserve for the DataNet Litigation;

           (g) sold,  leased,  abandoned  or  otherwise  disposed  of  any  real
       property  or any machinery,  equipment or other  operating property other
       than in the ordinary course of business;

           (h) sold, assigned,  transferred, licensed or  otherwise disposed  of
       any  Material patent,  trademark, trade  name, brand  name, copyright (or
       pending application for  any patent, trademark  or copyright)  invention,
       work  of  authorship,  process,  know-how,  formula  or  trade  secret or
       interest thereunder  or other  intangible asset  except in  the  ordinary
       course of its business;

           (i) suffered any dispute involving any employee organization;

           (j)   engaged in any activity or entered into any material commitment
       or transaction  (including without  limitation any  borrowing or  capital
       expenditure) other than in the ordinary course of business;

           (k)  incurred any Material liabilities  except in the ordinary course
       of business and consistent with past practice which would be required  to
       be disclosed in financial statements prepared in accordance with GAAP;

           (l) permitted or allowed any of its Material property or assets to be
       subjected to any mortgage, deed of trust, pledge, lien, security interest
       or  other encumbrance of  any kind, except  those permitted under Section
       3.7 hereof, other than any purchase money security interests incurred  in
       the ordinary course of business;

           (m)  made  any capital  expenditure  or commitment  for  additions to
       property, plant or equipment  individually in excess  of $100,000, or  in
       the aggregate, in excess of $500,000;

           (n)  paid, loaned or advanced any  amount to, or sold, transferred or
       leased any properties  or assets  to, or  entered into  any agreement  or
       arrangement   with  any   of  its  Affiliates,   officers,  directors  or
       shareholders or any Affiliate or associate of any of the foregoing;

           (o) made any amendment to or  terminated any agreement which, if  not
       so  amended or terminated, would  be required to be  disclosed on the PAC
       Disclosure Schedule; or

                                      A-10
<PAGE>
           (p) agreed  to take  any  action described  in  this Section  3.6  or
       outside  of its ordinary  course of business or  which would constitute a
       breach of any of the representations contained in this Agreement.

        3.7  TITLE AND RELATED  MATTERS.  PAC has  good and marketable title  to
    all  the properties, interests in properties  and assets, real and personal,
    reflected in the PAC Financial Statements or acquired after the date of  the
    PAC  Financial Statements  (except properties,  interests in  properties and
    assets sold or  otherwise disposed of  since the date  of the PAC  Financial
    Statements  in  the ordinary  course  of business),  free  and clear  of all
    mortgages, liens, pledges, charges or encumbrances of any kind or character,
    except the lien  of current taxes  not yet  due and payable  and except  for
    liens  which in the aggregate do not secure more than Fifty Thousand Dollars
    ($50,000) in liabilities. The equipment of PAC used in the operation of  its
    business  is in good operating condition and repair. To PAC's knowledge, all
    real or personal property leases to which PAC is a party are valid, binding,
    enforceable and effective in accordance  with their respective terms.  There
    is  not under any of  such leases any existing  Material default or event of
    default or  event  which,  with notice  or  lapse  of time  or  both,  would
    constitute  a  Material  default.  The PAC  Disclosure  Schedule  contains a
    description of all material  real and personal property  leased or owned  by
    PAC,  describing  its interest  in said  property and  with respect  to real
    property a  description of  each parcel  and a  summary description  of  the
    buildings,  structures and improvements thereon.  True and correct copies of
    PAC's material leases have been provided to Buyer or its representatives.

        3.8  PROPRIETARY RIGHTS.

           (a) PAC  owns all  right, title  and  interest in  and to,  or  valid
       licenses  for  use  of,  all  material  patents,  copyrights, technology,
       software, software tools, know-how, processes, trade secrets, trademarks,
       service marks,  trade  names and  other  proprietary rights  used  in  or
       necessary  for the  conduct of  PAC's business  as conducted  to the date
       hereof including,  without limitation,  the material  technology and  all
       material proprietary rights developed or discovered or used in connection
       with  or contained  in the  PAC Products,  free and  clear of  all liens,
       claims  and  encumbrances  (including  without  limitation   distribution
       rights)  (all  of which  are referred  to  as "Proprietary  Rights"). The
       foregoing representation  as it  relates to  Third Party  Technology  (as
       hereinafter  defined) is limited to PAC's  interest pursuant to the Third
       Party Licenses  (as hereinafter  defined),  all of  which are  valid  and
       enforceable  and in full force and effect and which grant PAC such rights
       to Third  Party Technology  as are  material to  the business  of PAC  as
       conducted  or  proposed  to  be conducted.  The  PAC  Disclosure Schedule
       contains an  accurate  and  complete  description  of  (i)  all  material
       patents,   trademarks   (with   separate  listings   of   registered  and
       unregistered trademarks), trade  names, and registered  copyrights in  or
       related  to the PAC Products,  all material applications and registration
       statements therefor,  and  a list  of  all material  licenses  and  other
       agreements relating thereto, and (ii) a list of all material licenses and
       other agreements with third parties (the "Third Party Licenses") relating
       to  any material software, inventions, technology, know-how, or processes
       that PAC is  licensed or otherwise  authorized by such  third parties  to
       use,  market, distribute or incorporate  into products distributed by PAC
       (such  software,  inventions,  technology,  know-how  and  processes  are
       collectively  referred to as the "Third  Party Technology"). All of PAC's
       material trademark  or  trade  name  registrations  related  to  the  PAC
       Products  and all of PAC's material copyrights in any of the PAC Products
       are valid  and  in  full  force  and  effect;  and  consummation  of  the
       transactions  contemplated  hereby  will  not alter  or  impair  any such
       rights. No Material claims have been asserted against PAC (and PAC is not
       aware of any Material claims which are likely to be asserted against  PAC
       or  which have  been asserted against  others) by  any person challenging
       PAC's use, possession, manufacture, sale or distribution of PAC  Products
       under  any material  patents, trademarks, trade  names, copyrights, trade
       secrets,  software,  technology,  know-how   or  processes  utilized   by

                                      A-11
<PAGE>
       PAC  (including,  without  limitation,  the  Third  Party  Technology) or
       challenging or questioning the validity or effectiveness of any  material
       license or agreement relating thereto (including, without limitation, the
       Third  Party Licenses). To  PAC's knowledge, there is  no valid basis for
       any claim of  the type  specified in the  immediately preceding  sentence
       which could in any material way relate to or interfere with the continued
       enhancement  and exploitation by PAC of any of the PAC Products. To PAC's
       knowledge, none of the  PAC Products nor the  use or exploitation of  any
       material   patents,  trademarks,   trade  names,   copyrights,  software,
       technology, know-how or processes by PAC  in its current business in  any
       material respect infringes on the rights of, constitutes misappropriation
       of,  or  in any  way  involves unfair  competition  with respect  to, any
       proprietary information or intangible property right of any third  person
       or  entity,  including  without  limitation  any  patent,  trade  secret,
       copyright, trademark or trade name.

           (b) PAC  has not  knowingly  granted any  third  party any  right  to
       manufacture,  reproduce,  distribute, market  or exploit  any of  the PAC
       Products or any adaptations, translations,  or derivative works based  on
       the  PAC  Products or  any portion  thereof. Except  with respect  to the
       rights of third parties to the Third Party Technology, no third party has
       any express  right  to  manufacture,  reproduce,  distribute,  market  or
       exploit  any works or  materials of which  any of the  PAC Products are a
       "derivative work" as that term is defined in the United States  Copyright
       Act, Title 17, U.S.C. Section 101.

           (c)  All  material  designs, drawings,  specifications,  source code,
       object code,  documentation,  flow  charts  and  diagrams  incorporating,
       embodying  or reflecting any  of the PAC  Products at any  stage of their
       development (the "PAC  Components") were written,  developed and  created
       solely  and exclusively by employees of PAC without the assistance of any
       third party  or entity  or were  created by  third parties  who  assigned
       ownership  of  their rights  to  PAC by  means  of valid  and enforceable
       consultant confidentiality and invention assignment agreements, copies of
       which  have  been  delivered  to  Buyer.  PAC  has  at  all  times   used
       commercially  reasonable  efforts  to  treat  the  PAC  Products  and PAC
       Components as containing trade secrets and has not disclosed or otherwise
       dealt with such items in such a manner as to cause the loss of such trade
       secrets by release into the public domain.

           (d) To PAC's  knowledge, no employee  of PAC is  in violation in  any
       material  respect  of  any  term  of  any  Material,  written  employment
       contract, patent  disclosure agreement  or  any other  material,  written
       contract  or agreement relating to the  relationship of any such employee
       with PAC or, to PAC's knowledge, any other party because of the nature of
       the business conducted by PAC or proposed to be conducted by PAC.

           (e) Since  January  1,  1989, each  person  presently  or  previously
       employed  by PAC (including independent  contractors, if any) with access
       authorized  by   PAC  to   confidential   information  has   executed   a
       confidentiality  and  non-disclosure agreement  pursuant  to the  form of
       agreement previously  provided  to  Buyer or  its  representatives.  Such
       confidentiality   and  non-disclosure  agreements  constitute  valid  and
       binding obligations of PAC and  such person, enforceable in all  material
       respects in accordance with their respective terms.

           (f) To PAC's knowledge, no product liability or warranty claims which
       individually  or in the  aggregate could exceed  the reserves therefor on
       the PAC  Financial Statements  have been  communicated in  writing to  or
       threatened against PAC.

        3.9    EMPLOYEE  BENEFIT PLANS.    PAC  does not  maintain,  and  is not
    obligated to contribute to, any defined benefit pension plan or any employee
    benefit plan that is subject to  either Title IV of the Employee  Retirement
    Income  Security Act of  1974 ("ERISA") or the  minimum finding standards of
    ERISA or  the  Internal Revenue  Code.  Each bonus,  deferred  compensation,
    pension, profit-sharing, retirement, stock purchase, stock option, and other
    employee  benefit  or  fringe  benefit plans,  whether  formal  or informal,
    maintained by  PAC conforms  in  all material  respects, to  all  applicable
    requirements,  if  any,  of ERISA.  The  PAC Disclosure  Schedule  lists and
    describes

                                      A-12
<PAGE>
    all  profit-sharing,  bonus,  incentive,  deferred  compensation,  vacation,
    severance  pay  retirement, stock  option,  group insurance  or  other plans
    (whether written or not) providing employee benefits.

        3.10  BANK ACCOUNTS.  The  PAC Disclosure Schedule sets forth the  names
    and   locations  of   all  banks,   trusts,  companies,   savings  and  loan
    associations, and  other  financial  institutions  at  which  PAC  maintains
    accounts  of any  nature and  the names  of all  persons authorized  to draw
    thereon or make withdrawals therefrom.

        3.11  CONTRACTS.

           (a) PAC has  no material  agreements, contracts  or commitments  that
       provide  for the  sale, licensing  or distribution by  PAC of  any of its
       products, inventions,  technology, know-how,  trademarks or  trade  names
       except in the ordinary course of its business. True and correct copies of
       each  document  or instrument  described in  the PAC  Disclosure Schedule
       pursuant to this Section 3.11(a) have been made available to Buyer or its
       representatives.

           (b) PAC has  no agreements,  contracts or commitments  that call  for
       fixed  and/or contingent  payments or expenditures  by or to  PAC of more
       than $150,000. True and correct copies of each document or instrument set
       forth in the  PAC Disclosure  Schedule pursuant to  this Section  3.11(b)
       have been made available to Buyer or its representatives.

           (c) Without limiting the provisions of Section 3.8 Proprietary Rights
       and  except for  any agreements  with Buyer, PAC  has not  granted to any
       third  party  (including,  without  limitation,  OEMs  and  site  license
       customers)  any  rights  to  reproduce  or  manufacture  any  of  the PAC
       Products, nor has PAC granted to any third party any exclusive rights  of
       any  kind with  respect to  any of  the PAC  Products, including, without
       limitation,  territorial  exclusivity  or  exclusivity  with  respect  to
       particular  versions, implementations or  translations of any  of the PAC
       Products, nor has PAC granted any third party any right to market any  of
       the PAC Products under any "private label" or "OEM" arrangements pursuant
       to  which PAC  is not identified  as the  source of such  goods. True and
       correct  copies  of  each  document  or  instrument  listed  on  the  PAC
       Disclosure  Schedule  pursuant to  this  Section 3.11(c)  have  been made
       available to Buyer or its representatives.

           (d) PAC has no purchase agreement, contract or commitment that  calls
       for  fixed and/or contingent  payments by PAC  that are in  excess of the
       normal, ordinary and usual requirements of PAC's business.

           (e) There is  no outstanding sales  contract, commitment or  proposal
       (including,  without limitation, porting and development projects) of PAC
       that PAC currently expects to result in any Material loss to PAC  (before
       allocation  of  overhead  and administrative  costs)  upon  completion or
       performance thereof.

           (f) PAC has no outstanding agreements, contracts or commitments  with
       officers,  employees,  agents,  consultants,  advisors,  salesmen,  sales
       representatives, distributors or dealers that are not cancelable by it on
       notice of not longer than ninety (90) days and without liability, penalty
       or premium.

           (g) PAC has not entered  into any employment, independent  contractor
       or similar agreement, contract or commitment that is not terminable on no
       more  than ninety (90)  days' notice without penalty  or liability of any
       type, including without limitation severance or termination pay.

           (h) PAC has  no currently  effective collective  bargaining or  union
       agreements, contracts or commitments.

           (i) PAC is not restricted by agreement from competing with any person
       or from carrying on its business anywhere in the world.

                                      A-13
<PAGE>
           (j)  PAC is under no liability or obligation, and no such outstanding
       claim  has been made, with  respect to the return  to PAC of inventory or
       merchandise in the possession of wholesalers, distributors, retailers, or
       other customers, except such liabilities,  obligations and claims as,  in
       the aggregate, do not exceed $300,000.

           (k)  PAC has not guaranteed any  obligations of other persons or made
       any agreements to acquire or guarantee any obligations of other persons.

           (l) PAC has no outstanding loan or  advance to any person; nor is  it
       party to any line of credit, standby financing, revolving credit or other
       similar  financing  arrangement  of  any  sort  which  would  permit  the
       borrowing  by  PAC  of  any  sum  not  reflected  in  the  PAC  Financial
       Statements.

           (m)  All material contracts, agreements  and instruments to which PAC
       is a party are valid, binding, in full force and effect, and  enforceable
       by  PAC  in  accordance with  their  respective terms.  No  such material
       contract, agreement or instrument contains any material
       liquidated-damages, penalty or similar provision. To the knowledge of the
       President, Chief  Financial Officer,  and Vice  Presidents of  Sales  and
       Marketing  of PAC, no  party to any such  material contract, agreement or
       instrument intends to  cancel, withdraw, modify  or amend such  contract,
       agreement or arrangement.

           (n)  The  PAC  Disclosure  Schedule  lists  all  material  agreements
       pursuant to which  PAC has  agreed to manufacture  for or  supply to  any
       third  party any  PAC Products  or components  thereto. True  and correct
       copies of  each  document or  instrument  listed on  the  PAC  Disclosure
       Schedule  pursuant to this Section 3.11(n) have been provided to Buyer or
       its representatives. The PAC Disclosure  Schedule also lists each  vendor
       who manufactures for or supplies to PAC any material product or component
       included  in the  PAC Products  or is  the sole  source for  any material
       product or component included in the PAC Products.

           (o) PAC is  not in material  default under or  in material breach  or
       violation  of, nor, to PAC's knowledge, is  there any valid basis for any
       claim of material default by PAC  under, or material breach or  violation
       by  PAC of, any material contract, commitment or restriction to which PAC
       is a party or to  which it or any of  its properties is bound where  such
       defaults, beaches, or violations would, in the aggregate, have a Material
       Adverse   Effect  on  the  operations,  assets,  financial  condition  or
       prospects of  PAC. To  PAC's knowledge,  no other  party is  in  material
       default  under or in  material breach or  violation of, nor  is there any
       valid basis for any claim of material default by any other party under or
       any material breach  or violation  by any  other party  of, any  material
       contract,  commitment, or restriction  to which PAC is  bound or by which
       any  of  its  properties  is  bound  where  such  defaults,  beaches,  or
       violations would, in the aggregate, have a Material Adverse Effect on the
       operations, assets, financial condition or prospects of PAC.

           (p) All material agreements, contracts and commitments (the "Material
       Contracts")  listed or described in  the PAC Disclosure Schedule pursuant
       to this Section 3.11  do not contain provisions  which would require  the
       consent  of third parties  to the Merger  or which would  be altered as a
       result of the Merger. If any  of the Material Contracts contain any  such
       provisions,  then PAC has  described in the  PAC Disclosure Schedule such
       actions as is necessary with respect  to such Material Contract to  avoid
       any adverse consequence as a result of the Merger and shall, prior to the
       Closing  Date, have obtained all necessary  consents and taken such other
       action with respect to the Material Contract.

        3.12  ORDERS, COMMITMENTS AND RETURNS.  All accepted and unfilled orders
    entered into by PAC for the sale, license, or lease or other disposition  by
    PAC  of its products, and all  agreements, contracts, or commitments for the
    purchase of supplies by PAC, were  made in the ordinary course of  business.
    No  outstanding purchase or outstanding lease commitment of PAC is in excess
    of the normal, ordinary and usual  requirements of its business or was  made
    at any price (on both a per

                                      A-14
<PAGE>
    unit  and aggregate basis) materially in  excess of the current market price
    at the time made, or contains  terms and conditions materially more  onerous
    to PAC than those usual and customary in the industry.

        3.13    COMPLIANCE WITH  LAW.   PAC  is  in compliance  in  all material
    respects with  all applicable  laws  and regulations  where the  failure  to
    comply  with such laws and regulations  would have a Material Adverse Effect
    on PAC.  Neither PAC  nor, to  PAC's  knowledge, any  of its  employees  has
    directly or indirectly paid or delivered any fee, commission or other sum of
    money  or item  of property,  however characterized,  to any  finder, agent,
    government official  or  other party  in  the  United States  or  any  other
    country, that was or is in violation of any federal, state, or local statute
    or  law or of any  statute or law of  any other country having jurisdiction.
    PAC has not  participated directly or  indirectly in any  boycotts or  other
    similar  practices affecting any  of its customers. PAC  has complied in all
    material respects at all  times with any and  all applicable federal,  state
    and  foreign laws, rules, regulations,  proclamations and orders relating to
    the importation or exportation of its  products where the failure to  comply
    which  such laws, rules,  regulations, proclamations or  orders would have a
    Material Adverse Effect on PAC.

        3.14  LABOR DIFFICULTIES; NO DISCRIMINATION.

           (a) To  PAC's knowledge,  PAC  is not  engaged  in any  unfair  labor
       practice  and  is  not  in  material  violation  of  any  applicable laws
       respecting employment and employment  practices, terms and conditions  of
       employment, and wages and hours.

           (b)  There is no unfair labor practice complaint against PAC actually
       pending or threatened before the National Labor Relations Board.

           (c) There is no strike, labor dispute, slowdown, or stoppage actually
       pending or threatened against PAC.

           (d) No union representation question exists respecting the  employees
       of  PAC and to PAC's knowledge  no union organizing activities are taking
       place.

           (e) No grievance that might have a Material Adverse Effect on PAC  or
       the  conduct of its business, nor  any arbitration proceeding arising out
       of or under any collective bargaining agreement is pending and no  claims
       therefor exist.

           (f)  No  collective  bargaining  agreement  that  is  binding  on PAC
       restricts it from relocating or closing any of its operations.

           (g) PAC  has not  experienced  any material  work stoppage  or  other
       material labor difficulty.

           (h)  There  is and  has  not been  within  the two  years immediately
       preceding the date of this Agreement  any claim against PAC and  received
       by  PAC based on  actual or alleged  race, age, sex,  disability or other
       harassment or discrimination,  or similar  tortious conduct,  nor to  the
       knowledge of the Chief Executive Officer, Chief Financial Officer of PAC,
       is there any basis for any such claim.

        3.15  TRADE REGULATION.  PAC has not terminated its relationship with or
    refused  to ship PAC  Products to any dealer,  distributor, OEM, third party
    marketing entity or customer which had theretofore paid or been obligated to
    pay PAC  in excess  of  ($50,000) over  any  consecutive twelve  (12)  month
    period. All of the prices charged by PAC in connection with the marketing or
    sale  of any products  or services have  been in compliance  in all material
    respects with  all applicable  laws  and regulations.  No claims  have  been
    communicated  or threatened in writing against  PAC with respect to wrongful
    termination of  any  dealer,  distributor or  any  other  marketing  entity,
    discriminatory pricing, price fixing, unfair competition, false advertising,
    or any other violation of

                                      A-15
<PAGE>
    any  laws or  regulations relating  to anti-competitive  practices or unfair
    trade practices of any kind, and to PAC's knowledge, no specific  situation,
    set of facts, or occurrence provides any basis for any such claim.

        3.16  INSIDER TRANSACTIONS.  No Affiliate of PAC has any interest in (i)
    any  Material  equipment  or  other  material  property,  real  or personal,
    tangible or intangible, including, without limitation, any Material item  of
    intellectual property, used in connection with or pertaining to the business
    of  PAC, or  (ii) any  Material creditor,  supplier, customer, manufacturer,
    agent, representative, or distributor of products of PAC; provided, however,
    that no such  Affiliate or  other person  shall be  deemed to  have such  an
    interest  solely  by  virtue  of  the  ownership  of  less  than  1%  of the
    outstanding stock or debt securities of any publicly-held company, the stock
    or debt securities  of which are  traded on a  recognized stock exchange  or
    quoted on the National Association of Securities Dealers Automated Quotation
    System.

        3.17    EMPLOYEES, INDEPENDENT  CONTRACTORS  AND CONSULTANTS.    The PAC
    Disclosure Schedule lists and describes all currently effective written  or,
    to   PAC's  knowledge,   oral  consulting,   independent  contractor  and/or
    employment  agreements  and   other  material   agreements  concluded   with
    individual employees, independent contractors or consultants to which PAC is
    a  party. True and correct  copies of all such  written agreements have been
    provided to Buyer or its representatives. All salaries and wages paid by PAC
    are in compliance in  all material respects  with applicable federal,  state
    and  local laws. Also shown on the  PAC Disclosure Schedule are the names of
    all persons whose annual rate  of compensation, including bonuses and  other
    payments of any kind, is in excess of $50,000 and the names of all employees
    with  a title of  "Director" of a  department or above  and the salaries for
    each such person. PAC's aggregate accrued  vacation and severance pay as  of
    February  26, 1995  was approximately  Three Hundred  Sixty-One Thousand One
    Hundred Thirteen Dollars ($361,113).

        3.18  INSURANCE.   The PAC  Disclosure Schedule contains  a list of  the
    principal  policies of fire, liability and  other forms of insurance held by
    PAC. To PAC's knowledge, PAC has not done anything, either by way of  action
    or inaction, that might invalidate such policies in whole or in part.

        3.19   LITIGATION.   There are no suits,  actions or proceedings pending
    or, to the knowledge of the Chief Executive Officer, Chief Financial Officer
    and Chief  Technical  Officer  and  Vice  President  of  Marketing  of  PAC,
    threatened  in writing  against or  materially affecting  PAC, in  each case
    other than immaterial matters, or which questions or challenges the validity
    of this  Agreement  or  the  Transaction Documents.  There  is  no  material
    judgment,  decree,  injunction, rule  or  order of  any  court, governmental
    department, commission,  agency, instrumentality  or arbitrator  outstanding
    against PAC.

        3.20   GOVERNMENTAL AUTHORIZATIONS AND REGULATIONS.  To the knowledge of
    PAC, all licenses, franchises, permits and other governmental authorizations
    held by PAC and  material to its  business are valid  and sufficient in  all
    material  respects  for the  business presently  carried on  by PAC.  To the
    knowledge of PAC, the business of PAC is not being conducted in violation of
    any law,  ordinance or  regulation of  any governmental  entity, except  for
    violations  which either singly or in the aggregate do not and will not have
    a Material Adverse Effect on  the operations, assets or financial  condition
    of PAC.

        3.21   SECTION 341(F)(2).   PAC has not, with  regard to any property or
    assets held, acquired or to be acquired by it, at any time, filed a  consent
    to  the  application of  Section 341(f)(2)  of  the Code  nor will  any such
    consent be filed before the Closing.

        3.22   SUBSIDIARIES.   PAC has  no  subsidiaries. PAC  does not  own  or
    control   (directly  or  indirectly)  any  capital  stock,  bonds  or  other
    securities of, and  does not  have any  proprietary interest  in, any  other
    corporation,  general or limited partnership,  firm, association or business

                                      A-16
<PAGE>
organization,  entity  or  enterprise, and  PAC  does not  control  (directly or
indirectly) the management  or policies of  any other corporation,  partnership,
firm, association or business organization, entity or enterprise.

        3.23   COMPLIANCE WITH ENVIRONMENTAL  REQUIREMENTS.  To PAC's knowledge,
    PAC has obtained  all material  permits, licenses  and other  authorizations
    which are required under federal, state and local laws applicable to PAC and
    relating  to pollution or  protection of the  environment, including laws or
    provisions  relating  to  emissions,  discharges,  releases  or   threatened
    releases  of  pollutants,  contaminants, or  hazardous  or  toxic materials,
    substances, or  wastes into  air, surface  water, groundwater,  or land,  or
    otherwise  relating  to  the  manufacture,  processing,  distribution,  use,
    treatment,  storage,  disposal,  transport,   or  handling  of   pollutants,
    contaminants  or hazardous or toxic materials, substances, or wastes. Except
    as set forth in the PAC Disclosure  Schedule, to PAC's knowledge, PAC is  in
    material  compliance with all terms and  conditions of the required permits,
    licenses and  authorizations. Except  as  set forth  in the  PAC  Disclosure
    Schedule,  PAC is not aware of, nor  has PAC received written notice of, any
    conditions, circumstances,  activities,  practices,  incidents,  or  actions
    which may form the basis of any claim, action, suit, proceeding, hearing, or
    investigation of, by, against or relating to PAC, based on or related to the
    manufacture,  processing, distribution,  use, treatment,  storage, disposal,
    transport, or handling,  or the emission,  discharge, release or  threatened
    release into the environment, of any pollutant, contaminant, or hazardous or
    toxic substance, material or waste.

        3.24    CORPORATE  DOCUMENTS.    PAC  has  furnished  to  Buyer  for its
    examination: (i) copies of  its Articles of  Incorporation and Bylaws;  (ii)
    its  Minute Book  containing all  records required  to be  set forth  of all
    proceedings, consents, actions, and meetings of the shareholders, the  board
    of directors and any committees thereof; (iii) all material permits, orders,
    and  consents issued by  any regulatory agency  with respect to  PAC, or any
    securities of  PAC,  and all  applications  for such  permits,  orders,  and
    consents;  and  (iv)  the stock  transfer  books  of PAC  setting  forth all
    transfers  of  any  capital  stock.   The  corporate  minute  books,   stock
    certificate  books, stock registers  and other corporate  records of PAC are
    complete and accurate in all material respects, and the signatures appearing
    on all documents contained  therein are the true  signatures of the  persons
    purporting  to have signed the same. All actions reflected in such books and
    records were duly and validly taken  in compliance in all material  respects
    with the laws of the applicable jurisdiction.

        3.25    NO  BROKERS.   Neither  PAC  nor, to  PAC's  knowledge,  any PAC
    shareholder is obligated for the payment  of fees or expenses of any  broker
    or  finder in connection  with the origin, negotiation  or execution of this
    Agreement or the Agreement of Merger  or in connection with any  transaction
    contemplated hereby or thereby.

        3.26   INFORMATION SUPPLIED.  None of  the information supplied or to be
    supplied by PAC for inclusion in  the Registration Statement on Form S-4  to
    be  filed with  the Securities and  Exchange Commission ("SEC")  by Buyer in
    connection with the issuance of the Buyer Common Stock on or as a result  of
    the  Merger (the "S-4"), including the  Proxy Statement included therein, at
    the date such  information is supplied  and at  the time of  the meeting  of
    holders  of PAC Stock,  contains or will  contain any untrue  statement of a
    material fact or omits or will 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  or
    will, in the case of the S-4 at the time the S-4 becomes effective under the
    Securities  Act, contain any untrue statement of  a material fact or omit to
    state any material fact required to  be stated therein or necessary to  make
    the statements therein not misleading.

        3.27   POOLING OF INTERESTS.  To PAC's knowledge, neither PAC nor any of
    its Affiliates has, through the date  of this Agreement, taken or agreed  to
    take  any action  which would prevent  PAC from accounting  for the business
    combination to be effected by the Merger as a pooling of interests.

                                      A-17
<PAGE>
        3.28  DISCLOSURE.  No statements by PAC contained in this Agreement, its
    exhibits and schedules nor any of the certificates or documents required  to
    be delivered by PAC to Buyer or Sub under this Agreement contains any untrue
    statement  of a material fact or omits to state a material fact necessary in
    order to make the statements contained  herein or therein not misleading  in
    light of the circumstances under which they were made.

    4.   REPRESENTATIONS AND WARRANTIES  OF BUYER AND SUB.   Except as set forth
the Buyer Disclosure Schedule provided to PAC on the date hereof, Buyer and  Sub
jointly and severally represent and warrant to PAC that:

        4.1   ORGANIZATION  AND GOOD STANDING.   Buyer and  Sub are corporations
    duly organized, validly existing and in good standing under the laws of  the
    State  of California  and have  full power and  authority to  carry on their
    businesses as now conducted.

        4.2  CAPITAL STRUCTURE.   As of the  date hereof the authorized  capital
    stock  of Buyer consists of 200,000,000 shares of Buyer Common Stock, no par
    value, and 3,000,000 shares of Buyer  Preferred Stock, no par value. At  the
    close  of business on  February 28, 1995, 66,480,931  shares of Buyer Common
    Stock were outstanding, 13,127,132 shares of Buyer Common Stock were subject
    to outstanding stock options ("Existing Buyer Options"), no shares of  Buyer
    Common  Stock were  held by Buyer  in its  treasury, and no  shares of Buyer
    Preferred Stock were held by Buyer in  its treasury, and no shares of  Buyer
    Preferred Stock were outstanding. All the outstanding shares of Buyer Common
    Stock  are validly issued, fully paid,  nonassessable and free of preemptive
    rights. The shares  of Buyer Common  Stock issuable in  connection with  the
    Merger  are duly  authorized and reserved  for issuance and,  when issued in
    accordance with the terms of this Agreement and Agreement of Merger, will be
    validly issued, fully paid, nonassessable and free of preemptive rights.  As
    of  the date hereof, the  authorized capital stock of  Sub consists of 1,000
    shares of Common Stock, no par value, all of which are validly issued, fully
    paid and nonassessable  and owned  by Buyer.  Except for  the shares  listed
    above  issuable  pursuant  to  Existing Buyer  Options,  there  are  not any
    options, warrants, calls,  conversion rights, commitments  or agreements  of
    any  character to which  Buyer or any subsidiary  of Buyer is  a party or by
    which any of them may be bound  obligating Buyer or any subsidiary of  Buyer
    to  issue,  deliver,  sell,  or  cause  to  be  issued,  delivered  or sold,
    additional shares of the capital stock  of Buyer or any subsidiary of  Buyer
    or  obligating Buyer or  any subsidiary of  Buyer to grant,  extend or enter
    into any  such  option,  warrant,  call,  conversion  right,  commitment  or
    agreement.

        4.3   POWER, AUTHORIZATION AND VALIDITY.   Buyer and Sub have the right,
    power, legal  capacity  and  authority  to  enter  into  and  perform  their
    respective  obligations  under  this  Agreement  and  the  other Transaction
    Documents to which  they are  a party. The  execution and  delivery of  this
    Agreement  and the  other Transaction Documents  have been  duly and validly
    approved and authorized by the Boards of Directors of Buyer and Sub and  the
    shareholder of Sub. No authorization or approval, governmental or otherwise,
    is  necessary in order to enable Buyer and  Sub to enter into and to perform
    the terms of  this Agreement  or the  other Transaction  Documents on  their
    parts to be performed, except for (i) the filing of a premerger notification
    and  report form by Buyer and PAC under  the HSR Act, (ii) the filing of the
    Agreement of  Merger  and  all  required  officers'  certificates  with  the
    Secretary of State of the State of California and appropriate documents with
    the  relevant authorities of other states in which the Buyer is qualified to
    do business, (iii) filings  under applicable securities  laws and (iv)  such
    other    consents,   approvals,   orders,   authorizations,   registrations,
    declarations and filings as  may be required under  the laws of any  foreign
    country  in  which Buyer  or any  of the  Buyer's subsidiaries  conducts any
    business or owns any  property or assets. This  Agreement is, and the  other
    Transaction  Documents when executed and delivered by Buyer and/or Sub shall
    be, the  valid and  binding  obligations of  Buyer  and Sub  enforceable  in
    accordance with their respective terms.

        4.4   NO  VIOLATION OF EXISTING  AGREEMENTS.  Neither  the execution and
    delivery  of  this  Agreement  nor  the  consummation  of  the  transactions
    contemplated hereby will conflict with, or result

                                      A-18
<PAGE>
    in  a material breach or violation of,  any provision of Buyer's Articles of
    Incorporation or  Sub's  Articles  of  Incorporation,  or  their  respective
    Bylaws, as currently in effect, any instrument or contract to which Buyer or
    Sub is a party or by which any such party is bound, or any federal, state or
    local  judgment, writ, decree, order, statute, rule or regulation applicable
    to any such person.  Neither the execution and  delivery of this  Agreement,
    nor any Agreement attached hereto as an Exhibit, nor the consummation of the
    transactions  contemplated hereby  or thereby  will have  a Material Adverse
    Effect on the operations, assets, financial condition or prospects of Buyer.

        4.5   COMPLIANCE WITH  OTHER INSTRUMENTS  AND  LAWS.   Buyer is  not  in
    violation  of any provisions  of its Articles of  Incorporation or Bylaws as
    currently in effect or in  effect at the Closing,  or any federal, state  or
    local judgment, writ, decree, or order applicable to Buyer.

        4.6    LITIGATION.   There  is  no  suit, action,  proceeding,  claim or
    investigation pending  or,  to the  best  of Buyer's  knowledge,  threatened
    against  Buyer  and  Sub before  any  court or  administrative  agency which
    questions or challenges the validity of this Agreement and which is not  set
    forth  in the SEC Documents  (as defined below) which  could have a Material
    Adverse Effect on the operations,  assets, financial condition or  prospects
    of Buyer or Sub.

        4.7   SEC  DOCUMENTS.   Buyer has  delivered to  PAC true,  accurate and
    complete copies of Buyer's most recent  reports on Forms 10-K, 10-Q and  any
    report  on Form 8-K filed since the most recent 10-Q (collectively, the "SEC
    Documents"). As of their respective filing dates, the SEC Documents complied
    in all material respects  with the requirements of  the Exchange Act or  the
    Securities  Act, and taken  together, the SEC  Documents contained no untrue
    statement of a  material fact  and did  not omit  to state  a material  fact
    required  to  be stated  therein or  necessary to  make the  statements made
    therein, in  light  of  the  circumstances in  which  they  were  made,  not
    misleading,  except  to the  extent corrected  by  a subsequently  filed SEC
    Document. The  financial  statements of  Buyer  included in  the  Buyer  SEC
    Documents  (the  "Buyer  Financial Statements")  comply  as to  form  in all
    material respects  with  applicable  accounting requirements  and  with  the
    published  rules and regulations of the  SEC with respect thereto, have been
    prepared in accordance with  GAAP (except as may  be indicated in the  notes
    thereto  or, in the case of unaudited  statements, as permitted by Form 10-Q
    of the SEC) and fairly present the consolidated financial position of  Buyer
    and  its consolidated subsidiaries at the dates thereof and the consolidated
    results of  their  operations and  changes  in financial  position  for  the
    periods then ended (subject, in the case of unaudited statements, to normal,
    recurring audit adjustments, provided that the notes and accounts receivable
    are collectible in the amounts shown thereon and inventories are not subject
    to  write-down, except in either case in an amount not Material or for which
    Buyer has provided adequate reserves). There  has been no change in  Buyer's
    accounting  policies or  estimates except as  described in the  notes to the
    Buyer Financial Statements.

        4.8  NO  MATERIAL ADVERSE CHANGE.   Since November  30, 1994, Buyer  has
    conducted  its business in  the ordinary course and  there has not occurred:
    (i) any Material Adverse Change in the business condition of Buyer; (ii) any
    amendments or changes in the Articles of Incorporation or Bylaws of Buyer or
    (since its inception) Sub;  (iii) any damage,  destruction or loss,  whether
    covered  by insurance or not, that has resulted in a Material Adverse Effect
    on the properties  or business  of Buyer;  or (iv)  any sale  of a  material
    amount of property of Buyer, except in the ordinary course of business.

        4.9  INFORMATION SUPPLIED.  None of the information supplied by Buyer or
    Sub  for  inclusion in  the Proxy  Statement or  the S-4,  at the  time such
    information is supplied and  at the time  of the meeting  of holders of  PAC
    Stock,  contains or will contain any untrue  statement of a material fact or
    omits or will 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

                                      A-19
<PAGE>
    misleading, or will, in  the case of  the S-4, at the  time the S-4  becomes
    effective  under  the  Securities Act,  contain  any untrue  statement  of a
    material fact  or omit  to state  any material  fact required  to be  stated
    therein or necessary to make the statements therein not misleading.

        4.10  NO BROKERS.  Neither Buyer nor Sub is obligated for the payment of
    fees  or expenses  of any  broker or finder  in connection  with the origin,
    negotiation  or  execution  of  this  Agreement  or  the  other  Transaction
    Documents  or  in connection  with  any transaction  contemplated  hereby or
    thereby.

        4.11  POOLING OF INTERESTS.  To its knowledge, neither Buyer nor any  of
    its  Affiliates has, through the date of  this Agreement, taken or agreed to
    take any action which would prevent  Buyer from accounting for the  business
    combination to be effected by the Merger as a pooling of interests.

        4.12   DISCLOSURE.  Neither this  Agreement, its exhibits and schedules,
    nor any of the certificates or  documents required to be delivered by  Buyer
    or  Sub  to PAC  under this  Agreement  contains any  untrue statement  of a
    material fact or omits to state any material fact necessary in order to make
    the statements contained herein and therein  not misleading in light of  the
    circumstances under which such statements were made.

        4.13  INVESTIGATIONS.  To the actual knowledge of Buyer's Vice President
    of   Business  Development,  including,  but  not  limited  to  all  of  the
    information made available to the accounting firm of Deloitte & Touche  LLP,
    Buyer's   investigations  conducted  in  connection  with  the  transactions
    contemplated by this Agreement, including those made pursuant to Section 5.6
    hereof,  have  not  resulted  in  Buyer  discovering  information  which  is
    materially inconsistent with, or which could otherwise give rise to a breach
    of, any of PAC's representations and warranties hereunder. Nothing contained
    in  this Section 4.13  shall be construed  to impose any  additional duty on
    Buyer to investigate the transactions contemplated hereunder.

    5.  PRECLOSING COVENANTS OF PAC.

        5.1  MATERIAL CONSENTS.   PAC shall use its  Best Efforts to obtain  any
    and  all consents necessary  for the assumption  of those Material Contracts
    listed on  Schedule 5.1  of the  PAC Disclosure  Schedule by  the  Surviving
    Corporation concurrent with the Merger (the "Material Consents").

        5.2   ADVICE OF CHANGES.  PAC  will promptly advise Buyer in writing (i)
    of any event occurring subsequent to the date of this Agreement which  would
    render any representation or warranty of PAC contained in this Agreement, if
    made  on or  as of the  date of  such event or  the Closing  Date, untrue or
    inaccurate in any  material and  adverse respect  and (ii)  of any  Material
    Adverse Change in PAC's business or financial condition, taken as a whole.

        5.3   CONDUCT  OF BUSINESS.   Until  the Closing,  PAC will  continue to
    conduct its business and maintain its business relationships in the ordinary
    and usual course and  will not, except  as set forth  in the PAC  Disclosure
    Schedule  or without the prior  written consent of Buyer,  which will not be
    unreasonably withheld (provided  that Buyer  shall be  entitled to  withhold
    consent  as to matter (a) below, if Buyer is willing to provide financing as
    to such items),

           (a) borrow  any  money  which  borrowings  exceed  in  the  aggregate
       $500,000;

           (b)  incur or commit  to incur any capital  expenditures in excess of
       $500,000 in the  aggregate or as  to any individual  matter in excess  of
       $100,000;

           (c)  lease,  license,  sell, transfer  or  encumber or  permit  to be
       encumbered any  asset,  intellectual  property right  or  other  property
       associated  with the  business of  PAC (including  sales or  transfers to
       Affiliates of  PAC), except  for  sales of  inventory  in the  usual  and
       ordinary  course of  business and except  for cash applied  in payment of
       PAC's liabilities in the usual and ordinary course of its business;

                                      A-20
<PAGE>
           (d) dispose of any of its assets, except inventory in the regular and
       ordinary course of business;

           (e) enter into any lease or contract for the purchase or sale of  any
       property, real or personal except in the ordinary course of business;

           (f)  fail to maintain its equipment  and other assets in good working
       condition and repair according to the  standards it has maintained up  to
       the date of this Agreement, subject only to ordinary wear and tear;

           (g)  pay any bonus, increased salary,  or special remuneration to any
       officer or employee, including any amounts for accrued but unpaid  salary
       or bonuses (other than amounts not in excess of normal payments made on a
       regular basis);

           (h) change accounting methods;

           (i)  declare, set aside  or pay any  cash or stock  dividend or other
       distribution in respect of capital, or redeem or otherwise acquire any of
       its capital stock;

           (j)  amend or terminate  any material contract, agreement or  license
       to which it is a party except in the ordinary course of business;

           (k)  loan any amount to any person or entity, or guaranty or act as a
       surety for any obligation;

           (l) waive  or release  any right  or claim,  except in  the  ordinary
       course of business;

           (m) issue or sell any shares of its capital stock of any class or any
       other  of its securities,  or issue or  create any warrants, obligations,
       subscriptions, options, convertible securities,  or other commitments  to
       issue shares of capital stock.

           (n)  split or combine the outstanding  shares of its capital stock of
       any class  or enter  into any  recapitalization affecting  the number  of
       outstanding  shares of  its capital stock  of any class  or affecting any
       other of its securities;

           (o) merge, consolidate or reorganize with any entity;

           (p) amend its Articles of Incorporation or Bylaws;

           (q) make or change any election, change any annual accounting period,
       adopt or change any accounting method, file any amended tax return, enter
       into any closing agreement, settle  any tax claim or assessment  relating
       to  PAC, surrender  any right  to claim refund  of taxes,  consent to any
       extension or waiver of the limitation period applicable to any tax  claim
       or  assessment relating to PAC, or take  any other action or omit to take
       any action, if any such election, adoption, change, amendment, agreement,
       settlement, surrender, consent or other action or omission would have the
       effect of increasing the tax liability of PAC or Buyer;

           (r) do anything that is not  contemplated by this Agreement or  would
       cause  there  to  be  a  Material Adverse  Change  in  the  PAC Financial
       Statements (with such PAC  Financial Statements analyzed  as if they  had
       been  prepared according to  GAAP, and including but  not limited to cash
       distributions or material decreases in the net assets of PAC), except  as
       would occur in the ordinary course of PAC's business, between the date of
       the PAC Financial Statements and the Closing Date; or

           (s)  agree to do any of the things described in the preceding clauses
       Section 5.3(a) through (r).

        5.4  RISK OF LOSS.  Except as otherwise provided in this Agreement,  and
    subject  to Section 2.2(a), until  the Closing, all risk  of loss, damage or
    destruction to PAC's assets shall be borne by PAC.

                                      A-21
<PAGE>
        5.5  ACCESS TO  INFORMATION.  Until the  Closing, PAC shall allow  Buyer
    and  its agents free access upon reasonable notice and during normal working
    hours  to  its  files,  books,  records,  and  offices,  including,  without
    limitation,   any  and  all  information  relating  to  taxes,  commitments,
    contracts, leases, licenses, and personal property and financial  condition.
    Until  the Closing, PAC shall cause  its accountants to cooperate with Buyer
    and its  agents in  making available  all financial  information  requested,
    including  without  limitation  the  right  to  examine  all  working papers
    pertaining  to  all  financial  statements  prepared  or  audited  by   such
    accountants.

        5.6    SATISFACTION OF  CONDITIONS  PRECEDENT.   PAC  will use  its Best
    Efforts to satisfy  or cause to  be satisfied all  the conditions  precedent
    which  are set  forth in Section  10, and PAC  will use its  Best Efforts to
    cause the transactions  contemplated by  this Agreement  to be  consummated,
    and,  without  limiting  the  generality of  the  foregoing,  to  obtain all
    consents and authorizations of third parties  and to make all filings  with,
    and  give all notices to, third parties which may be necessary or reasonably
    required on  its  part in  order  to effect  the  transactions  contemplated
    hereby.

        5.7   OTHER  NEGOTIATIONS.   Between the date  hereof and  June 30, 1995
    (subject to extension upon mutual agreement), or such earlier date as  Buyer
    and  PAC  mutually  agree  to discontinue  discussions  of  the  Merger (the
    "Expiration Date"), PAC will not (and it will use its Best Efforts to assure
    that its officers, directors, employees, agents and Affiliates do not on its
    behalf) take any action to solicit, initiate, seek, encourage or support any
    inquiry, proposal or offer from, furnish any information to, or  participate
    in  any  negotiations with,  any corporation,  partnership, person  or other
    entity  or  group  (other  than   discussions  with  Buyer)  regarding   any
    acquisition  of PAC, any  merger or consolidation with  or involving PAC, or
    any acquisition of any material portion of  the stock or assets of PAC.  PAC
    shall  discontinue, and instruct its  agents to discontinue, any preparation
    for a public offering, including but not limited to consulting in any manner
    with its  advisors regarding  such an  offering. PAC  agrees that  any  such
    negotiations  in  progress  as of  the  date  hereof will  be  terminated or
    suspended during such period. In no event will PAC solicit or enter into  an
    agreement  concerning any such  third party transaction.  PAC represents and
    warrants that  it has  the legal  right  to terminate  or suspend  any  such
    pending  negotiations.  If  between  the  date  of  this  Agreement  and the
    termination of this Agreement, PAC receives from a third party any offer  or
    indication  of interest regarding any of the transactions referred to above,
    or any request for information regarding any of such transactions, PAC shall
    (i) notify  Buyer  immediately of  such  offer, indication  of  interest  or
    request,  including the full terms of any proposal therein, (ii) notify such
    third party of PAC's obligations under  this Agreement and (iii) reject  any
    offer so received.

        5.8   CONSENTS.  PAC  shall use its Best  Efforts to obtain the Material
    consents as reasonably required by Buyer.

    6.  PRECLOSING AND OTHER COVENANTS OF BUYER AND SUB.

        6.1  ADVICE  OF CHANGES.   Buyer  and Sub  will promptly  advise PAC  in
    writing  of any  event occurring  subsequent to  the date  of this Agreement
    which would render any representation or warranty of Buyer or Sub  contained
    in this Agreement, if made on or as of the date of such event or the Closing
    Date, untrue or inaccurate in any material respect.

        6.2    RESERVATION  OF BUYER  COMMON  STOCK.   Buyer  shall  reserve for
    issuance, out  of its  authorized but  unissued capital  stock, the  maximum
    number  of shares of Buyer Common Stock as may be issuable upon consummation
    of the Merger.

        6.3  SATISFACTION OF CONDITIONS PRECEDENT.  Buyer and Sub will use their
    Best Efforts  to  satisfy  or  cause to  be  satisfied  all  the  conditions
    precedent which are set forth in Section 9, and Buyer and Sub will use their
    Best  Efforts to cause the transactions contemplated by this Agreement to be
    consummated, and,  without  limiting the  generality  of the  foregoing,  to
    obtain all

                                      A-22
<PAGE>
    consents  and authorizations of third parties  and to make all filings with,
    and give all notices to, third parties which may be necessary or  reasonably
    required  on  its  part in  order  to effect  the  transactions contemplated
    hereby.

        6.4  NASDAQ NATIONAL  MARKET LISTING.  Buyer  shall cause the shares  of
    Buyer  Common  Stock  issuable to  the  shareholders  of PAC  in  the Merger
    including shares  of Buyer  Common  Stock issuable  upon exercise  of  Buyer
    Options  and/or Buyer  Warrants to be  authorized for listing  on the Nasdaq
    National Market, subject to official notice of issuance.

        6.5  PREPARATION  OF S-4  AND THE PROXY  STATEMENT; OTHER  FILINGS.   As
    promptly  as practicable  after the execution  of this  Agreement, PAC shall
    provide to  Buyer and  its  counsel for  inclusion in  the  Prospectus/Proxy
    Statement  included in the  S-4 in form and  substance satisfactory to Buyer
    and  its  counsel,   such  information  concerning   PAC,  its   operations,
    capitalization,  technology, share ownership and  other material as Buyer or
    its counsel may  reasonably request.  Buyer shall  use its  Best Efforts  to
    prepare  and file the S-4 in which the Proxy Statement will be included as a
    prospectus with the SEC on or before three business days following execution
    of the  Agreement. Each  of Buyer  and PAC  shall use  its Best  Efforts  to
    respond to any comments of the SEC, to have the S-4 declared effective under
    the Securities Act as promptly as practicable after such filing and to cause
    the  Proxy  Statement to  be mailed  to PAC's  shareholders at  the earliest
    practicable time. For purposes  hereof "Best Efforts"  shall not include  or
    require Buyer agreeing in response to SEC comments that the transaction will
    not be accounted for as a "pooling of interests." As promptly as practicable
    after  the date of this Agreement, Buyer  and PAC shall prepare and file any
    other filings required  under the Exchange  Act, the Securities  Act or  any
    other  Federal or state securities or "blue sky" laws relating to the Merger
    and the transactions  contemplated by  this Agreement and  the Agreement  of
    Merger,  including, without limitation, under the HSR Act and any applicable
    state laws of similar effect (collectively, the "Other Filings"). Buyer will
    use its Best Efforts to prepare and file all filings required under the  HSR
    Act  on  or  before three  business  days  following the  execution  of this
    Agreement. Each  company  will notify  the  other company  promptly  of  the
    receipt  of any comments from the SEC or its staff and of any request by the
    SEC or  its  staff or  any  other  government officials  for  amendments  or
    supplements  to the  S-4, the  Proxy Statement or  any Other  Filings or for
    additional information and will supply the other company with copies of  all
    correspondence  between such company  or any of  its representatives, on the
    one hand, and the SEC,  or its staff or  any other government officials,  on
    the  other hand, with respect to the S-4, the Proxy Statement, the Merger or
    any of the Other Filings. The Proxy Statement, the S-4 and the Other Filings
    shall comply in all  material respects with  all applicable requirements  of
    law.  Whenever any event occurs which should be set forth in an amendment or
    supplement to the  Proxy Statement,  the S-4 or  any of  the Other  Filings,
    Buyer or PAC, as the case may be, shall promptly inform the other company of
    such  occurrence and cooperate  in filing with  the SEC or  its staff or any
    other government  officials, and/or  mailing to  shareholders of  PAC,  such
    amendment  or supplement.  The Proxy  Statement shall  include the unanimous
    recommendation of the Board of Directors of PAC that the shareholders of PAC
    approve the Merger.

        6.6  PREPARATION  OF S-8.   As soon as  practicable after the  Effective
    Date,  Buyer  shall  file  a  registration statement  on  Form  S-8  (or any
    successor or  other  appropriate form),  or  another appropriate  form  with
    respect  to the  shares of  Buyer Common Stock  subject to  such PAC Options
    assumed by  Buyer in  the Merger  and shall  use its  reasonable efforts  to
    maintain  the effectiveness of such registration statement (and maintain the
    current status of the prospectus  or prospectuses contained therein) for  so
    long  as  such  PAC  Options  remain  outstanding.  With  respect  to  those
    individuals who subsequent to  the Merger will be  subject to the  reporting
    requirements  under  Section 16(a)  of the  Exchange Act,  where applicable,
    Buyer shall administer the PAC Plan assumed pursuant to Section 2.2(f) in  a
    manner  that  complies with  Rule  16b-3 promulgated  by  the SEC  under the
    Exchange Act.

                                      A-23
<PAGE>
        6.7  ESCROW  AGREEMENT.   On or before  the Effective  Date, the  Escrow
    Agent  and the Shareholders' Agents (as defined in Section 13.10) shall have
    entered into an Escrow Agreement in form acceptable to Buyer and PAC.

        6.8  EMPLOYEE BENEFITS.  For a period of one (1) year from the  Closing,
    Buyer  shall not  modify or  terminate the  (i) salaries,  (ii) benefits, or
    (iii) bonus plans of PAC in existence prior to the date of this Agreement or
    otherwise make only Buyer's salaries,  benefits or bonus plans available  to
    PAC's  continuing employees,  unless Buyer's proposed  salaries, benefits or
    bonus plans  are better  than the  salaries, benefits  or bonus  plans  such
    employees  enjoyed prior to the date of this Agreement, as determined by the
    management of PAC.  At such time  as Buyer determines  to transfer  benefits
    offered  to PAC, Buyer agrees to the  extent it is legally and contractually
    able to do so to waive any probationary or waiting periods for participation
    in such benefit programs.

        6.9  DIRECTOR AND OFFICER  INDEMNITY.  For a  period of seven (7)  years
    from  the Closing, Buyer shall  cause PAC (i) to  continue to provide to all
    officers and directors of PAC who held such positions with PAC prior to  the
    date  of  this  Agreement  the same  rights  to  indemnification  which were
    available to such officers and directors under the charter documents of  PAC
    in  existence prior to the date of  this Agreement, (ii) not to terminate or
    alter any indemnification agreement in existence  prior to the date of  this
    Agreement,  and (iii) to perform its  obligations thereunder or exercise any
    discretionary authority thereunder, to the fullest extent permissible by law
    to provide  each officer  and director  with all  rights to  indemnification
    available thereunder. If Buyer takes any action which impairs the ability of
    PAC  to  fulfill its  indemnification obligations  with  respect to  acts or
    omissions  prior  to  the  Closing  under  its  charter  documents  or   any
    indemnification  agreements to which it is a party, Buyer shall assume PAC's
    indemnification   obligations   under   such   charter   documents    and/or
    indemnification  agreements  directly. This  Section  6.9 shall  survive the
    Closing and is  intended to  benefit each officer  and director  of PAC  and
    shall be binding on all successors and assigns of Buyer and/or PAC.

    7.  MUTUAL COVENANTS.

        7.1  CONFIDENTIALITY.  Each party acknowledges that in the course of the
    performance of this Agreement, it may obtain the Confidential Information of
    the  other party. The Receiving  Party shall, at all  times, both during the
    term of this Agreement and thereafter,  keep in confidence and trust all  of
    the   Disclosing  Party's  Confidential  Information  received  by  it.  The
    Receiving Party shall not use the Confidential Information of the Disclosing
    Party other than as expressly permitted under the terms of this Agreement or
    by a  separate  written  agreement.  The  Receiving  Party  shall  take  all
    reasonable steps to prevent unauthorized disclosure or use of the Disclosing
    Party's  Confidential Information  and to prevent  it from  falling into the
    public domain or into the possession of unauthorized persons. The  Receiving
    Party shall not disclose Confidential Information of the Disclosing Party to
    any  person or entity other than its officers or employees (or outside legal
    or accounting advisors) who need access to such Confidential Information  in
    order  to effect  the intent  of this  Agreement and  who have  entered into
    confidentiality agreements with such person's employer or who are subject to
    ethical  restrictions  on   disclosure  which   protects  the   Confidential
    Information  of the Disclosing Party.  The Receiving Party shall immediately
    give notice to the Disclosing Party of any unauthorized use or disclosure of
    Disclosing Party's Confidential Information.  The Receiving Party agrees  to
    assist the Disclosing Party to remedy such unauthorized use or disclosure of
    its  Confidential  Information. These  obligations  shall not  apply  to the
    extent that Confidential Information includes information which:

           (a)  is  already  known  to  the  Receiving  Party  at  the  time  of
       disclosure,  which knowledge the Receiving Party shall have the burden of
       proving;

           (b) is, or, through no act or failure to act of the Receiving  Party,
       becomes publicly known;

                                      A-24
<PAGE>
           (c)  is received  by the Receiving  Party from a  third party without
       restriction on disclosure  (although this  exception shall  not apply  if
       such  third  party is  itself  violating a  confidentially  obligation by
       making such disclosure);

           (d)  is  independently  developed  by  the  Receiving  Party  without
       reference  to the Confidential Information of the Disclosing Party, which
       independent development  the  Receiving Party  will  have the  burden  of
       proving;

           (e)   is  approved  for  release  by  written  authorization  of  the
       Disclosing Party; or

           (f) is required to be disclosed by a government agency to further the
       objectives of this Agreement or by a proper order of a court of competent
       jurisdiction; provided, however  that the  Receiving Party  will use  its
       best efforts to minimize such disclosure and will consult with and assist
       the  Disclosing  Party  in obtaining  a  protective order  prior  to such
       disclosure.

        7.2   NO  PUBLIC  ANNOUNCEMENT.    The  parties  shall  make  no  public
    announcement  concerning  this  Agreement, their  discussions  or  any other
    memos, letters  or agreements  between the  parties relating  to the  Merger
    until  such time as  they agree to  the contents of  a mutually satisfactory
    press release which they intend to  publicly-release on or before the  close
    of business on the third business day following execution of this Agreement.
    Either  of  the parties,  but only  after  reasonable consultation  with the
    other, may make disclosure if required under applicable law.

        7.3  REGULATORY FILINGS; CONSENTS;  REASONABLE EFFORTS.  Subject to  the
    terms  and  conditions of  this  Agreement, PAC  and  Buyer shall  use their
    respective Best Efforts to  (i) make all necessary  filings with respect  to
    the  Merger and this  Agreement under the  HSR Act, the  Securities Act, the
    Exchange Act and applicable blue sky  or similar securities laws and  obtain
    required  approvals  and  clearances  with respect  thereto  and  supply all
    additional information requested in  connection therewith; (ii) make  merger
    notification  or  other appropriate  filings  with federal,  state  or local
    governmental bodies or applicable  foreign governmental agencies and  obtain
    required  approvals  and  clearances  with respect  thereto  and  supply all
    additional information requested in  connection therewith; (iii) obtain  all
    consents,   waivers,  approvals,  authorizations   and  orders  required  in
    connection with the authorization, execution and delivery of this  Agreement
    and the consummation of the Merger; and (iv) take, or cause to be taken, all
    appropriate  action,  and do,  or cause  to be  done, all  things necessary,
    proper or  advisable  to  consummate and  make  effective  the  transactions
    contemplated by this Agreement as promptly as practicable, but no later than
    June 30, 1995.

        7.4   POOLING ACCOUNTING.  PAC and Buyer shall each use its Best Efforts
    to cause  the  business combination  to  be effected  by  the Merger  to  be
    accounted for as a pooling of interests. Each of PAC and Buyer shall use its
    Best  Efforts (i) to cause its respective  Affiliates not to take any action
    that would adversely affect the ability of  Sub or Buyer to account for  the
    business  combination to be effected by the Merger as a pooling of interests
    and (ii) to cause  its respective Affiliates  to sign and  deliver to Sub  a
    customary  "Affiliates Agreement" in  form and substance  agreed upon by PAC
    and Buyer. PAC acknowledges  and agrees that it  shall be a requirement  and
    condition of the Merger that PAC and the holders of PAC Stock shall not have
    taken  any action after the date of  this Agreement, which in the reasonable
    opinion of Deloitte &  Touche LLP would prevent  the Merger being  accounted
    for as a pooling of interests. Buyer shall not, and Buyer shall use its Best
    Efforts to cause its Affiliates not to, take any action that would adversely
    affect  the ability  of Sub  to account for  the business  combination to be
    effected by the Merger as a pooling of interests.

        7.5  TAX  OPINIONS.   All parties  intend the  Merger to  be a  tax-free
    reorganization  within the meaning of Section  368(a) of the Code, and agree
    to use  their  respective  Best  Efforts to  take  all  action  required  or
    appropriate  to facilitate such tax treatment.  To the extent that either of
    such counsel can render such opinion  both parties shall receive an  opinion
    of  Gray  Cary Ware  &  Freidenrich and  an  opinion of  Brobeck,  Phleger &
    Harrison, in form and substance reasonably

                                      A-25
<PAGE>
    satisfactory to  both  parties, to  the  effect  that, when  the  Merger  is
    consummated  in accordance  with the  terms of  this Agreement,  for federal
    income tax purposes the  Merger will be treated  as a reorganization  within
    the  meaning of Section 368(a) of  the Code and (i) no  gain or loss will be
    recognized by the shareholders  of PAC who exchange  all of their shares  of
    PAC  Stock solely for  Buyer Common Stock  pursuant to the  Merger; (ii) the
    aggregate basis of Buyer Common Stock  received by the PAC shareholders  who
    exchange  all of their shares of the PAC Stock solely for Buyer Common Stock
    will be the  same as  the aggregate  basis of the  shares of  the PAC  Stock
    surrendered  in exchange therefor; and (iii) the holding period of the Buyer
    Common Stock received in such exchange will include the period during  which
    the  shares of  the PAC  Stock exchanged  therefor were  held, provided such
    shares of the PAC Stock were held as a capital asset on the Effective  Date.
    For  purposes of  rendering such opinion,  counsel for the  parties shall be
    entitled to rely on reasonable assumptions and representations as to factual
    matters to  be provided  by PAC,  Sub, Buyer  and certain  PAC  shareholders
    pertinent to such opinion, including, without limitation, the existence of a
    valid  business purpose, and sufficient  continuity of interest and business
    activities following the Merger, and each  party shall use its Best  Efforts
    to provide and cause its shareholders to provide such representations.

        7.6  FURTHER ASSURANCES.  Prior to and following the Closing, each party
    agrees to cooperate fully with the other parties and to execute such further
    instruments,  documents  and agreements  and  to give  such  further written
    assurances, as may  be reasonably  requested by  any other  party to  better
    evidence  and  reflect the  transactions  described herein  and contemplated
    hereby and to carry into effect the intents and purposes of this Agreement.

    8.  CLOSING MATTERS.

        8.1  FILING OF AGREEMENT OF MERGER.  On the date of the Closing, but not
    prior to the  Closing, the Agreement  of Merger together  with all  required
    officer's  certificates shall be filed with  the offices of the Secretary of
    State of the State  of California and  the merger of Sub  with and into  PAC
    shall be consummated.

        8.2  EXCHANGE OF CERTIFICATES.

           (a)  EXCHANGE AGENT. Prior  to the Closing  Date, Buyer shall appoint
       Bank of Boston  to act as  exchange agent (the  "Exchange Agent") in  the
       Merger.

           (b)  BUYER TO PROVIDE COMMON STOCK. Promptly after the Effective Date
       of the Merger (but in no event later than five business days thereafter),
       Buyer shall make available for exchange in accordance with Section 2  and
       the  Agreement of Merger, through such reasonable procedures as Buyer may
       adopt, the shares of  Buyer Common Stock issuable  pursuant to Section  2
       and  the Agreement  of Merger in  exchange for outstanding  shares of PAC
       Stock (less the number of shares of Buyer Common Stock to be deposited in
       escrow pursuant to Section 2.4).

           (c) EXCHANGE PROCEDURES. As soon  as practicable after the  Effective
       Date  of the Merger (but no later than fifteen (15) days thereafter), the
       Exchange Agent shall mail  to each holder of  record of a certificate  or
       certificates  that immediately prior to the  Effective Date of the Merger
       represented outstanding shares of  PAC Stock (the "Certificates"),  whose
       shares  are being converted into Buyer Common Stock pursuant to Section 2
       and the Agreement  of Merger, (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 delivery  of the Certificates  to
       the  Exchange Agent and which  shall be in such  form and have such other
       provisions as Buyer may reasonably specify) and (ii) instructions for use
       in effecting  the surrender  of the  Certificates in  exchange for  Buyer
       Common  Stock. Upon  surrender of a  Certificate for  cancellation to the
       Exchange Agent or to such  other agent or agents  as may be appointed  by
       Buyer together with such letter of transmittal, duly executed, the holder
       of such Certificate shall be

                                      A-26
<PAGE>
entitled  to receive the  number of shares  of Buyer Common  Stock to which such
holder is entitled pursuant to  Section 2 hereof (less  the number of shares  of
Buyer  Common Stock  to be  deposited in  escrow pursuant  to Section  2.4). The
Certificate so  surrendered  shall immediately  be  canceled. Buyer  shall  make
customary  provisions for lost stock certificates. In the event of a transfer of
ownership of PAC Stock that  is not registered in  the transfer records of  PAC,
the  appropriate number of  shares of Buyer  Common Stock may  be delivered to a
transferee if the  Certificate represented such  PAC Stock is  presented to  the
Exchange  Agent and accompanied by all documents required to evidence and effect
such transfer and to evidence that any applicable stock transfer taxes have been
paid. Until surrendered as  contemplated by this  Section 8.2, each  Certificate
shall  be deemed at any time after the Effective Date of the Merger to represent
the right to receive upon  such surrender the number  of shares of Buyer  Common
Stock as provided by this Section 8.2 and by the CGCL.

           (d)  NO FURTHER OWNERSHIP RIGHTS IN PAC STOCK. All Buyer Common Stock
       delivered upon  the surrender  for exchange  of shares  of PAC  Stock  in
       accordance  with the terms hereof shall  be deemed to have been delivered
       in full  satisfaction of  all rights  pertaining to  such shares  of  PAC
       Stock.  There shall be no further  registration of transfers on the stock
       transfer books of the  Surviving Corporation of the  shares of PAC  Stock
       that  were outstanding  immediately prior  to the  Effective Date  of the
       Merger. If  after the  Effective  Date of  the Merger,  Certificates  are
       presented  to the  Surviving Corporation  for any  reason, they  shall be
       canceled and exchanged as provided in this Section 8.2.

        8.3  DELIVERY OF DOCUMENTS.   At the Closing, the parties shall  deliver
    the  documents, and shall perform the acts, which are set forth in Section 9
    and Section 10, including delivery of the counterpart signature pages of the
    Transaction Documents executed by PAC, Buyer and/or Sub, as the case may be.
    All documents which PAC shall deliver or  cause to be delivered shall be  in
    form  and substance  reasonably satisfactory  to Buyer.  All documents which
    Buyer and Sub shall deliver  or cause to be delivered  shall be in form  and
    substance reasonably satisfactory to PAC.

    9.   CONDITIONS TO PAC'S  OBLIGATIONS.  The obligations  of PAC to close the
transactions contemplated under this Agreement are subject to the fulfillment or
satisfaction on and as of the Closing, of each of the following conditions  (any
one or more of which may be waived by PAC, but only in a writing signed by PAC):

        9.1   ACCURACY OF  REPRESENTATIONS AND WARRANTIES.   The representations
    and warranties of Buyer  and Sub set  forth in Section 4  shall be true  and
    correct  when made, and PAC shall receive  a certificate to such effect from
    an officer of Buyer and Sub, respectively.

        9.2  COVENANTS.   Buyer and Sub shall  have performed and complied  with
    all  of  their covenants  contained in  Sections 6  and 7  on or  before the
    Closing, and PAC  shall receive  a certificate from  Buyer and  Sub to  such
    effect signed by an officer of Buyer and Sub, respectively.

        9.3    NO  LITIGATION.   On  and as  of  the Closing,  no  litigation or
    proceeding shall  be threatened  or pending  against PAC  or Buyer  for  the
    purpose  or with  the probable  effect (in  the reasonable  opinion of PAC's
    counsel)  of  enjoining  or  preventing  the  consummation  of  any  of  the
    transactions  contemplated  by  this  Agreement and  Buyer  shall  receive a
    certificate from  PAC to  such  effect signed  by  the President  and  Chief
    Financial Officer of PAC.

        9.4  AUTHORIZATIONS.  PAC shall have received from Buyer and Sub written
    evidence  that the  execution, delivery and  performance of  Buyer and Sub's
    obligations under this Agreement and the Agreement of Merger have been  duly
    and  validly approved and authorized by the  Board of Directors of Buyer and
    Sub, respectively, and the shareholder of Sub.

        9.5   EFFECTIVENESS  OF THE  S-4.   The  S-4  shall have  been  declared
    effective  by the SEC under the Securities Act. No stop order suspending the
    effectiveness of  the  S-4  shall  have  been  issued  by  the  SEC  and  no
    proceedings  for that purpose and no  similar proceeding with respect to the
    Proxy Statement shall have been initiated by the SEC.

                                      A-27
<PAGE>
        9.6  SHAREHOLDER APPROVAL.  This  Agreement and the Agreement of  Merger
    shall have been approved by PAC's shareholders in accordance with applicable
    laws and regulatory requirements. Notwithstanding anything in this Agreement
    to  the contrary, the issuance  of shares of Buyer  Common Stock, whether in
    the Merger or in connection with the Merger or any transaction  contemplated
    hereby, shall have been approved by the shareholders of Buyer if required by
    applicable  law  or  by  any  requirement  of  the  National  Association of
    Securities Dealers.

        9.7  OPINION  OF BUYER'S  COUNSEL.  PAC  shall receive  from counsel  to
    Buyer  an  opinion in  substantially the  form attached  hereto as  Exhibi C
    ("Opinion of Buyer's Counsel").

        9.8  GOVERNMENT CONSENTS.  There shall have been obtained at or prior to
    the date of Closing such permits or authorizations and there shall have been
    taken such other  action, as  may be  required by  any regulatory  authority
    having  jurisdiction over the parties and the subject matter and the actions
    herein proposed to be taken.

        9.9  DATE OF  CLOSING.  The  Closing shall occur on  or before June  30,
    1995, or such later date as the parties may mutually agree.

        9.10   TAX OPINIONS.   Counsel to PAC and  to Buyer shall have delivered
    the opinions required under Section 7.5.

        9.11  NASDAQ  LISTING.   The shares of  Buyer Common  Stock issuable  to
    holders  of PAC Stock, PAC Options and PAC Warrants in the Merger shall have
    been approved for 1isting on the Nasdaq National Market.

    10.  CONDITIONS TO BUYER'S AND SUB'S OBLIGATIONS.  The obligations of  Buyer
and  Sub  are subject  to  the fulfillment  or satisfaction  on,  and as  of the
Closing, of each of the  following conditions (any one or  more of which may  be
waived by Buyer, but only in a writing signed by Buyer):

        10.1   ACCURACY OF REPRESENTATIONS  AND WARRANTIES.  The representations
    and warranties of PAC contained in Section 3 shall be true on and as of  the
    Closing  with the  same force  and effect as  if they  had been  made at the
    Closing (subject to changes to the PAC Disclosure Schedule which  constitute
    immaterial  changes), and Buyer shall receive a certificate from PAC to such
    effect with respect to the representations and warranties of PAC executed by
    the President  and Chief  Financial Officer  of PAC.  PAC has  the right  to
    provide  Buyer with one  or more supplements to  the PAC Disclosure Schedule
    prior to the Closing, and PAC shall use its Best Efforts to provide any such
    supplements at the earliest possible date prior to Closing.

        10.2  COVENANTS.  PAC shall have performed and complied with all of  its
    covenants  contained in Sections 5 and 7 on or before the Closing, and Buyer
    shall receive a certificate from PAC to such effect signed by the  President
    and Chief Financial Officer of PAC .

        10.3    NO LITIGATION.    On and  as of  the  Closing, no  litigation or
    proceeding shall be  threatened or pending  against PAC for  the purpose  or
    with the probable effect (in the reasonable opinion of PAC's counsel) (other
    than  the DataNet Litigation) of enjoining or preventing the consummation of
    any of the transactions contemplated by this Agreement, or which would  have
    a  Material Adverse Effect  on the business,  liabilities, income, property,
    operations or prospects of PAC subsequent  to the Closing, and no  judgment,
    decree,  injunction, rule  or order  of any  court, governmental department,
    commission, agency,  instrumentality  or  arbitrator  shall  be  outstanding
    against  PAC, and Buyer shall receive a  certificate from PAC to such effect
    signed by the President and Chief Financial Officer of PAC.

        10.4   AUTHORIZATIONS.   Buyer  shall  have received  from  PAC  written
    evidence  that (i) the execution, delivery and performance of this Agreement
    and the  Agreement  of  Merger  have been  duly  and  validly  approved  and
    authorized  by its Board  of Directors and  by the shareholders  of PAC, and
    (ii) shareholders of  PAC holding  no more than  eight percent  (8%) of  the
    outstanding

                                      A-28
<PAGE>
    shares  of PAC capital stock have, or  might be able to perfect, dissenters'
    rights  in  connection  with  the  Merger.  Buyer  shall  have  received   a
    certificate  from  PAC to  such  effect signed  by  the President  and Chief
    Financial Officer of PAC.

        10.5  NO ADVERSE  DEVELOPMENT.  There shall  not have been any  Material
    Adverse  Change in  the financial  condition, results  of operations, assets
    liabilities, business or prospects of PAC since the date of this Agreement.

        10.6   REQUIRED  CONSENTS.    Buyer  shall  have  received  all  written
    consents,   assignments,  waivers,  authorizations   or  other  certificates
    (including Material Consents) reasonably  deemed necessary by Buyer's  legal
    counsel  to  provide  for  the  continuation in  full  force  and  effect or
    assignment or termination of any and all contracts and leases of PAC.

        10.7  OPINION OF PAC'S COUNSEL.  Buyer shall have received from  counsel
    to  PAC, an opinion in  substantially the form attached  hereto as EXHIBIT D
    ("Opinion of PAC's Counsel" ).

        10.8  EMPLOYMENT AND NON-COMPETE AGREEMENTS.  William Stensrud and James
    Dunn shall have  entered into non-compete  and non-solicitation  agreements,
    substantially   in  the   form  satisfactory  to   Buyer  ("Non-compete  and
    Non-solicitation Agreements").

        10.9   EMPLOYMENT WITH  BUYER.   At least  ninety percent  (90%) of  the
    people  employed by PAC on the date  of this Agreement shall remain employed
    by PAC, and  there shall have  been no resignations  or other statements  by
    employees  of PAC expressing an intention to terminate employment with Buyer
    or PAC  following the  Closing in  numbers inconsistent  with the  foregoing
    (excluding from such calculation persons previously disclosed to Buyer).

        10.10   GOVERNMENT CONSENTS.  There shall have been obtained at or prior
    to the date of Closing such  permits or authorizations and there shall  have
    been taken such other action, as may be required by any regulatory authority
    having  jurisdiction over the parties and the subject matter and the actions
    herein proposed to be taken.

        10.11  DATE OF CLOSING.  The  Closing shall occur on or before June  30,
    1995, or such later date as the parties may mutually agree.

    11.  REGISTRATION OF BUYER COMMON STOCK.

        11.1   EFFECTIVENESS.  Buyer  will use its Best  Efforts to maintain the
    effectiveness for up to thirty (30) days of the S-4 pursuant to which any of
    the shares of Buyer Common  Stock are being offered,  and from time to  time
    will  amend or supplement such  registration statements and the prospectuses
    contained therein  as  and  to  the extent  necessary  to  comply  with  the
    Securities Act and any applicable state securities statute or regulation.

    12.  TERMINATION OF AGREEMENT.

        12.1   TERMINATION.  This Agreement may  be terminated at any time prior
    to the Closing by the mutual written consent of each of the parties  hereto.
    This Agreement may also be terminated and abandoned:

           (a)   By  Buyer  if  any  of  the  conditions  precedent  to  Buyer's
       obligations pursuant to Section 10 shall  not have been fulfilled at  and
       as of the Closing and Buyer has not misrepresented or breached any of its
       warranties or covenants under this Agreement; or

           (b)  By PAC if  any of the conditions  precedent to PAC's obligations
       pursuant to Section 9 above  shall not have been  fulfilled at and as  of
       the  Closing  and  PAC has  not  misrepresented  or breached  any  of its
       warranties or covenants under this Agreement.

           (c) By either  party for any  reason (provided such  party is not  in
       material breach of the Agreement) if the Closing has not occurred by June
       30, 1995, or such later date as the parties may agree in writing.

                                      A-29
<PAGE>
        Any  termination  of this  Agreement under  this  Section 12.1  shall be
    effective by the delivery of written notice of the terminating party to  the
    other parties hereto.

        12.2   LIABILITY  FOR TERMINATION.   Any  termination of  this Agreement
    pursuant to this Section 12 shall be without further obligation or liability
    upon any party in favor  of any other party  hereto; provided, that if  such
    termination  shall result from the  willful failure of a  party to carry out
    its obligations under this  Agreement, then such party  shall be liable  for
    losses incurred by the other parties. The foregoing notwithstanding if Buyer
    or  Sub fails to close the transactions contemplated under this Agreement by
    June 30,  1995 or  because any  one or  more of  the closing  conditions  in
    Section  10 hereof  were not  satisfied, Buyer  shall reimburse  PAC for any
    reasonable legal and  accounting expenses  specifically incurred  by PAC  in
    connection  with this Agreement (but excluding  any expenses incurred by PAC
    in connection  with  PAC's  contemplated  initial  public  offering)  in  an
    aggregate amount of up to $250,000; provided, however, that Buyer shall have
    no obligation to reimburse PAC for such expenses if the transaction fails to
    close  because the condition in Section 10.1 is not satisfied due to Buyer's
    discovery  of  or  PAC  providing   notification  of  exceptions  to   PAC's
    representations   and  warranties  provided  herein   in  addition  to  such
    exceptions provided  by  PAC to  Buyer  prior to  or  on the  date  of  this
    Agreement.  The provisions  of this  Section 12.2  and of  Section 7.1 shall
    survive termination.

        12.3  CERTAIN EFFECTS OF TERMINATION.   In the event of the  termination
    of this Agreement by either PAC or Buyer as provided in Section 12.1 hereof:

           (a)  each party, if so requested by  the other party, will (i) return
       promptly  every  document  (other  than  documents  publicly   available)
       furnished  to  it  by  the  other  party  (or  any  subsidiary, division,
       associate or  affiliate  of such  other  party) in  connection  with  the
       transactions contemplated hereby, whether so obtained before or after the
       execution  of this Agreement, and any  copies thereof which may have been
       made, and  will  cause its  representatives  and any  representatives  of
       financial  institutions and investors  and others to  whom such documents
       were furnished promptly to return  such documents and any copies  thereof
       any  of them may have made, or  (ii) destroy such documents and cause its
       representatives and such other representatives to destroy such documents,
       and such party shall deliver a  certificate executed by its president  or
       vice president stating to such effect; and

           (b)  PAC and Buyer shall  continue to abide by  the provisions of the
       Mutual Nondisclosure Agreement between Buyer  and PAC. This Section  12.3
       shall survive any termination of this Agreement.

        12.4   REMEDIES.   No  party shall be  limited to  the termination right
    granted in  Section 12.1  hereto  by reason  of  the nonfulfillment  of  any
    condition  to such party's closing obligations  but may, in the alternative,
    elect to do one of the following:

           (a) proceed  to  close  despite the  nonfulfillment  of  any  closing
       condition,  it  being understood  that  consummation of  the transactions
       contemplated hereby shall be deemed a waiver of any misrepresentation  or
       breach  of warranty  or covenant and  of any party's  rights and remedies
       with respect thereto (except for the remedies provided in Section 13)  to
       the  extent  that the  other party  shall have  actual knowledge  of such
       misrepresentation or breach and the Closing shall nonetheless take place;
       or

           (b) decline to close, terminate this Agreement as provided in Section
       12.1 hereof,  and thereafter  seek  damages to  the extent  permitted  in
       Section 12.5 hereof.

        12.5   RIGHT TO  DAMAGES.  If  this Agreement is  terminated pursuant to
    Section 12.1 hereof, neither party hereto  shall have any claim against  the
    other  except for fees, if any, payable under Section 12.2 and except if the
    circumstances giving  rise to  such  termination were  caused by  the  other
    party's  wilful failure to comply with a material covenant set forth herein,
    in which event

                                      A-30
<PAGE>
    termination shall not  be deemed  or construed  as limiting  or denying  any
    legal  or equitable right or  remedy of said party,  and said party shall be
    entitled to recover its  costs and expenses which  are incurred in  pursuing
    its rights and remedies (including reasonable attorneys' fees).

    13.  ESCROW AND INDEMNIFICATION.

        13.1   SURVIVAL OF  REPRESENTATIONS AND COVENANTS.   All representations
    and warranties of PAC contained in this Agreement shall survive the  Closing
    and  any investigation  at any time  made by or  on behalf of  Buyer for the
    following periods:  (i)  for  those  items that  would  be  expected  to  be
    encountered  in Buyer's audit  process, until the date  of completion of the
    first audit of financial statements containing combined operations of  Buyer
    and  PAC, and (ii) for all other items,  for a period of 12 months after the
    Closing. Notwithstanding the foregoing, if this Agreement shall terminate in
    accordance with its  terms prior to  the expiration of  the survival  period
    described above, all representations and warranties of PAC contained in this
    Agreement  shall terminate as of such termination of this Agreement. Buyer's
    representations, warranties and covenants contained in this Agreement  shall
    terminate  as  of  the  earlier  of the  termination  of  this  Agreement in
    accordance with its  terms or the  Closing, provided that  the covenants  in
    Section  6.9, 7.1,  12.2 and  12.3 which  specifically provide  for survival
    beyond such date or covenants which by their nature would naturally  survive
    Closing  shall continue  in effect, as  shall the  representation in Section
    4.13.

        13.2  ESCROW FUND.  As soon as practicable after the Effective Date, and
    from time to time upon the exercise of any of the Buyer Options, the  Escrow
    Shares  shall be registered in  the name of, and  be deposited with, Bank of
    Boston (or other institution selected  by Buyer with the reasonable  consent
    of PAC) as escrow agent (the "Escrow Agent"), such deposit to constitute the
    Escrow  Fund and  to be governed  by the terms  set forth herein  and in the
    Escrow Agreement. The Escrow Fund (but only up to a maximum of the number of
    Escrow  Shares)  shall  be  available  to  compensate  Buyer  for  any  loss
    (excluding  any  consequential  damages  to  Buyer,  such  as  lost profits,
    in-house costs of investigation of potential damages and in-house attorney's
    fees), expense, liability or other damage, including attorneys' fees, to the
    extent of  the amount  of  such loss,  expense,  liability or  other  damage
    (collectively "Damages") that Buyer has incurred by reason of (i) the breach
    of  PAC  of  any  representation, warranty,  covenant  or  agreement  of PAC
    contained herein, or by  reason of any misrepresentation  by PAC made in  or
    pursuant  to Section 3 of  this Agreement, or (ii)  the claims raised in the
    Wilcox & Gibbs/DataNet Litigation (the "DataNet Litigation"), and for  which
    Buyer has not received reimbursement pursuant to insurance or otherwise.

        13.3  ESCROW FUND LIMITATIONS.  The following limitations shall apply to
    the Escrow Fund and claims against the Escrow Fund:

            (i)  If Buyer and Sub close the transactions contemplated under this
       Agreement, all items  disclosed by  PAC to  Buyer in  any PAC  Disclosure
       Schedule  or any supplements  thereto and all  matters otherwise actually
       known to Buyer and all of  PAC's unknown business risks shall be  assumed
       by  Buyer, except for  any claims arising from  the DataNet Litigation or
       any misrepresentations made by PAC.

            (ii) Nothing herein shall limit the liability of PAC for any  breach
       of any representation, warranty or covenant if the Merger does not close.
       If  the Merger closes, resort  to the Escrow Fund  shall be the exclusive
       remedy of Buyer (i) for any such breaches and misrepresentations and (ii)
       for any claims against any officer, director, shareholder or employee  of
       PAC in connection with the Merger. The foregoing is not intended to limit
       Buyer's remedies in the event of willful fraud.

                                      A-31
<PAGE>
           (iii) Any claim shall be reduced by the amount of any net tax benefit
       realized  (by reason  of a  tax deduction,  basis reduction,  shifting of
       income, credits and/or  deductions or otherwise)  by Buyer in  connection
       with  the loss or damage suffered by Buyer which forms the basis of PAC's
       liability hereunder.  Damages  shall  exclude any  amount  considered  in
       calculating the amount of the Adjustment.

        13.4   DAMAGE THRESHOLD.   Notwithstanding the  foregoing, Buyer may not
    receive any  shares from  the  Escrow Fund  unless  and until  an  Officer's
    Certificate  or Certificates (as defined  in Section 13.6 below) identifying
    the  aggregate  amount  of  Buyer's  Damages  has  been  delivered  to   the
    Shareholders'  Agents and to the Escrow  Agent, and then, except as provided
    in Section 13.13, only  to the extent that  such aggregate amount exceeds  a
    deductible of $750,000, provided that Damages from the DataNet Litigation in
    excess  of  the reserve  therefor  existing at  the  date of  this Agreement
    (including legal fees or  settlement costs incurred after  the date of  this
    Agreement)  shall not be subject to such threshold and deductible amount. To
    receive any Escrow Shares, notice of  such Damages must be delivered to  the
    Escrow  Agent and Shareholders' Agents as provided in Section 13.5 below and
    such amount as is determined pursuant to this Section 13 to be payable after
    application of the $750,000 deductible,  if applicable, in which case  Buyer
    shall  receive the  number of  Escrow Shares  equal in  value (calculated in
    accordance with Section  13.7 below) to  the full amount  of Damages. In  no
    event  shall  Buyer  receive more  than  the  number of  Escrow  Shares then
    remaining in the Escrow Fund at the  time of Buyer's claim, and the  maximum
    liability  of all  PAC shareholders and  option holders  under the Agreement
    shall not exceed  the forfeiture of  the Escrow Shares  in the Escrow  Fund.
    Damages  shall not  include any individual  Damage items of  $10,000 or less
    unless such amounts exceed $50,000 in the aggregate.

        13.5  ESCROW  PERIOD.   The Escrow  Period shall  terminate twelve  (12)
    months  after  the Effective  Date; provided,  however,  that the  number of
    Escrow Shares, which, in  the reasonable judgment of  Buyer, subject to  the
    objection  of the Shareholders' Agents and the subsequent arbitration of the
    matter in  the manner  provided in  Section 13.9  hereof, are  necessary  to
    satisfy  any  unsatisfied  claims  specified  in  any  Officer's Certificate
    theretofore delivered to the Escrow Agent prior to termination of the Escrow
    Period with  respect to  Damages  incurred or  litigation pending  prior  to
    expiration  of the Escrow Period, shall remain in the Escrow Fund until such
    claims have been resolved. In  no event will any  amount be retained in  the
    Escrow  Fund at the end of the Escrow Period, except as to claims made prior
    to the end of the Escrow Period that relate to Damages actually incurred  or
    pending  litigation. If the DataNet Litigation remains unresolved at the end
    of the Escrow Period, no more than Three Million Dollars ($3,000,000) of the
    Escrow Fund may be retained in Escrow  to cover any claim arising from  such
    litigation.

        13.6  CLAIMS UPON ESCROW FUND.

           (a) Upon receipt by the Escrow Agent on or before the last day of the
       Escrow  Period  of  a certificate  signed  by  any officer  of  Buyer (an
       "Officer's Certificate"):

           (b) stating (i) that Damages in excess of the reserve therefor as  of
       January  1, 1995 exist with respect  to the DataNet Litigation, (ii) that
       the aggregate amount  of Buyer's  other Damages  exceeds $750,000  (which
       aggregate amount cannot include any individual Damage items of $10,000 or
       less  unless such amounts  exceed $50,000 in the  aggregate of $10,000 or
       less), or (iii) that Damages with respect to a matter subject to  Section
       13.13 have been incurred in excess of $50,000, and

           (c)  specifying  in reasonable  detail the  individual items  of such
       Damages included in  the amount so  stated, the date  each such item  was
       paid,  or properly accrued or arose, the nature of the misrepresentation,
       breach of warranty or claim to which such item is related,

    the Escrow Agent shall,  subject to the provisions  of Section 13.9  hereof,
    deliver  to Buyer out of the Escrow Fund, as promptly as practicable, Escrow
    Shares having a value equal to such Damages,

                                      A-32
<PAGE>
    but (i) as to matters other than DataNet Litigation, only to the extent such
    Damages exceed $750,000  and (ii) as  to matters subject  to Section  13.13,
    only to the extent of 50% of the amount thereof in excess of $50,000.

        13.7  VALUATION OF ESCROW SHARES.  For the purpose of compensating Buyer
    for  its  Damages pursuant  to this  Agreement, the  Escrow Shares  shall be
    valued at the closing price  on the day prior to  the date the Escrow  Agent
    releases the Escrow Shares from Escrow as to any matter.

        13.8   OBJECTIONS TO CLAIMS.   At the time  of delivery of any Officer's
    Certificate to  the  Escrow  Agent,  a  duplicate  copy  of  such  Officer's
    Certificate  shall  be delivered  to  the Shareholders'  Agents  (defined in
    Section 13.7 below)  and for  a period of  forty-five (45)  days after  such
    delivery,  the Escrow Agent shall make no delivery of Escrow Shares pursuant
    to Section 13.6 hereof unless the  Escrow Agent shall have received  written
    authorization from the Shareholders' Agents to make such delivery. After the
    expiration  of such forty-five (45) day  period, the Escrow Agent shall make
    delivery of the Escrow Shares in the Escrow Fund in accordance with  Section
    13.6 hereof, provided that no such delivery may be made if the Shareholders'
    Agents  shall  object  in a  written  statement  to the  claim  made  in the
    Officer's Certificate, and such statement  shall have been delivered to  the
    Escrow  Agent and to Buyer  prior to the expiration  of such forty-five (45)
    day period.

        13.9  RESOLUTION OF CONFLICTS; ARBITRATION.

           (a) In case the  Shareholders' Agents shall so  object in writing  to
       any  claim or  claims by Buyer  made in any  Officer's Certificate, Buyer
       shall have forty-five (45) days to respond in a written statement to  the
       objection  of the Shareholders' Agents. If after such forty-five (45) day
       period there remains a dispute as to any claims, the Shareholders' Agents
       and Buyer shall attempt in good faith  for sixty (60) days to agree  upon
       the rights of the respective parties with respect to each of such claims.
       If the Shareholders Agent and Buyer should so agree, a memorandum setting
       forth  such agreement  shall be prepared  and signed by  both parties and
       shall be  furnished  to the  Escrow  Agent.  The Escrow  Agent  shall  be
       entitled  to rely on any such  memorandum and shall distribute the Escrow
       Shares from the Escrow Fund in accordance with the terms thereof.

           (b) If no such agreement can be reached after good faith negotiation,
       either Buyer or the  Shareholders' Agents may, by  written notice to  the
       other,  demand arbitration of the matter  unless the amount of the damage
       or loss is at issue  in pending litigation with  a third party, in  which
       event arbitration shall not be commenced until such amount is ascertained
       or both parties agree to arbitration; and in either such event the matter
       shall  be settled by  arbitration conducted by  three arbitrators. Within
       fifteen (15)  days after  such  written notice  is  sent, Buyer  and  the
       Shareholders'  Agents  shall  each  select one  arbitrator,  and  the two
       arbitrators so selected shall select a third arbitrator. The decision  of
       the  arbitrators  as to  the validity  and  amount of  any claim  in such
       Officer's Certificate shall be binding and conclusive upon the parties to
       this Agreement, and notwithstanding anything in Section 13.6 hereof,  the
       Escrow  Agent shall be  entitled to act in  accordance with such decision
       and make  or withhold  payments  out of  the  Escrow Fund  in  accordance
       therewith.

           (c)  Judgment  upon  any award  rendered  by the  arbitrators  may be
       entered in any court having  jurisdiction. Any such arbitration shall  be
       held  in Santa Clara or San Mateo County, California under the commercial
       rules then  in  effect  of  the  American  Arbitration  Association.  For
       purposes  of this Section 13.9(c), in  any arbitration hereunder in which
       any claim or the amount thereof stated in the Officer's Certificate is at
       issue, Buyer shall be  deemed to be the  Non-Prevailing Party unless  the
       arbitrators  award  Buyer  more  than one-half  (1/2)  of  the  amount in
       dispute, plus any amounts not in dispute; otherwise, the PAC shareholders
       for whom shares  of Buyer Common  Stock otherwise issuable  to them  have
       been   deposited  in  the   Escrow  Fund  shall  be   deemed  to  be  the
       Non-Prevailing Party. The Non-Prevailing Party to an

                                      A-33
<PAGE>
       arbitration shall pay its own expenses, the fees of each arbitrator,  the
       administrative  fee  of  the American  Arbitration  Association,  and the
       expenses, including with limitation, attorneys' fees and costs,  incurred
       by the other party to the arbitration.

        13.10  SHAREHOLDERS' AGENTS.

           (a)  Tench  Coxe,  Kathryn  Gould,  and  William  Stensrud  shall  be
       constituted and appointed as agents  ("Shareholders' Agents") for and  on
       behalf   of  the  PAC  shareholders  to  give  and  receive  notices  and
       communications, to authorize delivery  to Buyer of  the Escrow Shares  or
       other  property from the Escrow Fund  in satisfaction of claims by Buyer,
       to object  to  such  deliveries,  to  agree  to,  negotiate,  enter  into
       settlements  and compromises of,  and demand arbitration  and comply with
       orders of courts and awards of  arbitrators with respect to such  claims,
       and  to take all actions necessary or  appropriate in the judgment of the
       Shareholders' Agents for the accomplishment of the foregoing. Such agency
       may be changed by  the holders of  a majority in  interest of the  Escrow
       Fund  from time to time  upon not less than  ten (10) days' prior written
       notice to Buyer. No bond shall  be required of the Shareholders'  Agents,
       and  the  Shareholders'  Agents  shall receive  no  compensation  for his
       services. Notices or communications to  or from the Shareholders'  Agents
       shall  constitute notice to  or from each of  the PAC shareholders. Buyer
       agrees to waive any conflict of interest of any type that may arise as  a
       result   of  Mr.  Stensrud's   acting  as  a   Shareholders'  Agent.  The
       Shareholders' Agents may, and are  hereby authorized to, act by  majority
       approved as to any matter.

           (b)  The Shareholders' Agents shall not be liable for any act done or
       omitted hereunder as Shareholders' Agents while acting in good faith  and
       in  the  exercise of  reasonable judgment,  and any  act done  or omitted
       pursuant to the advice  of counsel shall be  conclusive evidence of  such
       good   faith.  The   PAC  shareholders  shall   severally  indemnify  the
       Shareholders' Agents and hold him harmless against any loss, liability or
       expense incurred without gross negligence or bad faith on the part of the
       Shareholders' Agents  and  arising  out  of or  in  connection  with  the
       acceptance or administration of his duties hereunder.

           (c)   The  Shareholders'  Agents  shall  have  reasonable  access  to
       information about PAC and  Buyer and the  reasonable assistance of  PAC's
       and  Buyer's officers and employees for purposes of performing its duties
       and exercising  its rights  hereunder,  provided that  the  Shareholders'
       Agents   shall  treat  confidentially  and  not  disclose  any  nonpublic
       information from or about  PAC or Buyer  to anyone (except  on a need  to
       know   basis  to  individuals   who  agree  to   treat  such  information
       confidentially).

        13.11  ACTIONS OF THE SHAREHOLDERS' AGENTS.  A decision, act, consent or
    instruction of the Shareholders' Agents  shall constitute a decision of  all
    PAC shareholders for whom shares of Buyer Common Stock otherwise issuable to
    them  are  deposited in  the Escrow  Fund  and shall  be final,  binding and
    conclusive upon each such  PAC shareholder, and the  Escrow Agent and  Buyer
    may rely upon any decision, act, consent or instruction of the Shareholders'
    Agents  as being the decision, act, consent or instruction of each and every
    such PAC shareholder. The  Escrow Agent and Buyer  are hereby relieved  from
    any  liability to any  person for any  acts done by  them in accordance with
    such decision, act, consent or instruction of the Shareholders' Agents.

        13.12  CONTROL OF LITIGATION.  If any proceeding is commenced, or if any
    claim, demand or  assessment is asserted,  in respect of  which a claim  for
    indemnification  is made against the Escrow  Fund based on any matters other
    than (i) the intellectual property of PAC, or (ii) claims made by  customers
    of  the  Buyer or  PAC, the  Shareholders'  Agents may,  at their  option to
    contest or defend any such action, proceeding, claim, demand or  assessment,
    with  counsel of their  own choosing; provided, however,  that if 3Com shall
    reasonably object to  such control  the Shareholders' Agent  and 3Com  shall
    cooperate  in the contesting and defense  of such matter; provided, however,
    that the Shareholders'  Agents shall  not admit any  liability with  respect
    thereto  or settle, compromise, pay or  discharge the same without the prior
    written consent  of  the Buyer,  which  consent shall  not  be  unreasonably
    withheld.  In  connection  with the  DataNet  Litigation,  the Shareholders'
    Agents

                                      A-34
<PAGE>
    shall have sole  control of  the defense of  such matter  and discretion  to
    admit  any  liability with  respect thereto  or  settle, compromise,  pay or
    discharge the same without the prior written consent of the Buyer, except if
    any payment is required other than from  the Escrow Fund, in which case  the
    prior  written consent of  the Buyer shall be  required, which consent shall
    not be unreasonably withheld.  With respect to  a claim for  indemnification
    based  on matters relating to the intellectual property of PAC, or customers
    of the Buyer or PAC,  the Buyer shall have the  option to contest or  defend
    any  such action, proceeding,  claim, demand or  assessment, with counsel of
    its own  choosing;  provided,  however,  that  Buyer  shall  not  admit  any
    liability  with respect thereto or settle,  compromise, pay or discharge the
    same without the prior  written consent of  the Shareholders' Agents,  which
    consent  shall  not be  unreasonably withheld.  The Shareholders'  Agents or
    Buyer, whichever is  not controlling  the defense  of any  matter, shall  be
    entitled, at its or their expense, to participate in such defense.

        13.13   OTHER PROVISIONS.  In the event that the Buyer arrives at a good
    faith and reasonable belief that there has been a breach with respect to the
    representation in the last sentence  of the PAC Disclosure Schedule  section
    3.17(c)  and that a claim regarding a significant contribution as referenced
    in such subsection is  likely to be  filed, in the  foreseeable future by  a
    person  who in  fact has  made a  contribution described  in such Disclosure
    Schedule  subsection,  the  procedures  in  this  Section  13.13  shall   be
    applicable  thereto.  Buyer  agrees  that if  such  representation  has been
    breached, it shall, before taking  any action with respect thereto,  consult
    with  the  Shareholder's Agents  regarding  such matter  and  the reasonable
    measures to  pursue  to  resolve  such  matter.  Provided  that  either  the
    Shareholder's   Agents  agree  that   there  has  been   a  breach  of  such
    representation and that Buyer has been or is reasonably likely to be damaged
    as a result thereof (or in the absence of such agreement and the  submission
    of  the matter to arbitration, that an the arbitrator so finds under Section
    13.9), then, and  only then,  Buyer may  communicate directly  or through  a
    representative  with such person. If Damages  are actually incurred by Buyer
    in connection with a person so contacted  within one year of Closing or  are
    the  subject of litigation pending  at the end of one  year from the date of
    Closing, then the provisions of section 13.4 as to the amount of  deductible
    notwithstanding,  Buyer may  receive Escrow  Shares to  the extent  that the
    aggregate amount  of  Damages with  respect  to each  separate  such  matter
    exceeds  $50,000 and then only  to the extent of  one-half of the Damages in
    excess of $50,000 for each such matter. If Buyer takes action to precipitate
    damages with  respect the  matters  covered by  this Section  13.13  without
    having followed this procedure, no Escrow Shares shall be delivered from the
    Escrow Fund with respect to any such Damages.

    14.  MISCELLANEOUS.

        14.1   GOVERNING LAWS.   It is the intention  of the parties hereto that
    the internal laws of the State of California (irrespective of its choice  of
    law   principles)  shall  govern   the  validity  of   this  Agreement,  the
    construction of its  terms, and  the interpretation and  enforcement of  the
    rights and duties of the parties hereto.

        14.2    BINDING UPON  SUCCESSORS AND  ASSIGNS.   Subject to,  and unless
    otherwise provided in, this Agreement, each and all of the covenants, terms,
    provisions, and agreements contained herein shall be binding upon, and inure
    to  the   benefit   of,   the  permitted   successors,   executors,   heirs,
    representatives,  administrators and assigns of  the parties hereto provided
    that Buyer shall not assign this Agreement to any such entity without  PAC's
    prior written consent, not to be unreasonably withheld.

        14.3    SEVERABILITY.    If  any provision  of  this  Agreement,  or the
    application thereof, shall for  any reason and to  any extent be invalid  or
    unenforceable,  the  remainder of  this  Agreement and  application  of such
    provision to other persons or circumstances shall be interpreted so as  best
    to  reasonably effect the intent of  the parties hereto. The parties further
    agree to replace such void or

                                      A-35
<PAGE>
unenforceable provision of this Agreement with a valid and enforceable provision
which  will achieve,  to the extent  possible, the economic,  business and other
purposes of the void or unenforceable provision.

        14.4   ENTIRE  AGREEMENT.   This  Agreement, the  exhibits  hereto,  the
    documents referenced herein, and the exhibits thereto, constitute the entire
    understanding  and  agreement  of the  parties  hereto with  respect  to the
    subject  matter   hereof   and  thereof   and   supersede  all   prior   and
    contemporaneous  agreements  or understandings,  inducements  or conditions,
    express or implied, written or oral, between the parties with respect hereto
    and thereto. The express  terms hereof control and  supersede any course  of
    performance or usage of the trade inconsistent with any of the terms hereof.

        14.5   COUNTERPARTS.   This Agreement may  be executed in  any number of
    counterparts, each of which shall be an original as against any party  whose
    signature appears thereon and all of which together shall constitute one and
    the  same instrument. This  Agreement shall become binding  when one or more
    counterparts  hereof,  individually  or  taken  together,  shall  bear   the
    signatures of all of the parties reflected hereon as signatories.

        14.6   EXPENSES.  Except as provided  to the contrary herein, each party
    shall pay all of  its own costs  and expenses incurred  with respect to  the
    negotiation,  execution  and delivery  of  this Agreement  and  the exhibits
    hereto. In  the event  the  Merger is  consummated, all  legal,  accounting,
    investment  banking, broker's and  finder's fees incurred  by PAC and/or its
    shareholders in connection with the Merger shall be deemed to be expenses of
    the shareholders to  the extent  such fees and  expenses exceed  $1,750,000,
    shall  be borne by the shareholders of  PAC and shall not become obligations
    of PAC. PAC shall make arrangements acceptable to Buyer for payment of  such
    fees  by the PAC  shareholders and, if  such arrangements are  not made, the
    Adjustment shall be increased by an amount equal to the amount by which such
    fees exceed $1,750,000.  The fees incurred  by PAC after  March 13, 1995  in
    connection  with the preparation for a  public offering shall be included in
    such $1,750,000 amount.

        14.7  AMENDMENT AND  WAIVERS.  Any term  or provision of this  Agreement
    may  be amended,  and the observance  of any  term of this  Agreement may be
    waived  (either  generally   or  in   a  particular   instance  and   either
    retroactively  or prospectively) only by a writing signed by the party to be
    bound thereby. The waiver  by a party  of any breach  hereof for default  in
    payment  of any  amount due hereunder  or default in  the performance hereof
    shall not be  deemed to  constitute a  waiver of  any other  default or  any
    succeeding breach or default.

        14.8      SURVIVAL   OF   AGREEMENTS.      All   covenants,  agreements,
    representations and warranties made herein  shall survive the execution  and
    delivery  of  this  Agreement  and  the  consummation  of  the  transactions
    contemplated hereby notwithstanding any investigation of the parties  hereto
    and shall terminate on the date one year after the Closing Date.

        14.9   KNOWLEDGE.   For purposes  of this Agreement,  "knowledge" of any
    party shall mean the knowledge of the executive officers of such party after
    such officers  shall have  made inquiry  that is  customary and  appropriate
    under the circumstances to which reference is made.

        14.10   NO  WAIVER.   The failure  of any  party to  enforce any  of the
    provisions hereof shall not be construed to be a waiver of the right of such
    party thereafter to enforce such provisions.

        14.11  ATTORNEYS' FEES.  Should suit be brought to enforce or  interpret
    any  part  of this  Agreement,  the prevailing  party  shall be  entitled to
    recover, as an element of the costs  of suit and not as damages,  reasonable
    attorneys'  fees to  be fixed  by the  court (including  without limitation,
    costs, expenses and fees on any  appeal). The prevailing party shall be  the
    party entitled to recover its costs of suit, regardless of whether such suit
    proceeds  to final judgment. A party not entitled to recover its costs shall
    not be entitled to recover attorneys' fees. No sum for attorneys' fees shall
    be counted  in  calculating  the  amount  of  a  judgment  for  purposes  of
    determining if a party is entitled

                                      A-36
<PAGE>
    to  recover costs or  attorneys' fees. If  PAC is the  prevailing party in a
    suit with Sub, Buyer agrees that it  shall be liable to PAC for the  damages
    to,  and reasonable  attorneys' fees  (including without  limitation, costs,
    expenses and fees on any appeal) incurred by, PAC that are caused by Sub.

        14.12   NOTICES.   Any  notice  provided  for or  permitted  under  this
    Agreement   will  be  treated  as  having  been  given  when  (a)  delivered
    personally, (b) sent by confirmed telex or telecopy, (c) sent by  commercial
    overnight  courier  with  written  verification of  receipt,  or  (d) mailed
    postage prepaid by certified or  registered mail, return receipt  requested,
    to  the party  to be notified,  at the address  set forth below,  or at such
    other place of which  the other party has  been notified in accordance  with
    the provisions of this Section 14.12.

<TABLE>
<S>              <C>
PAC:             Primary Access Corporation
                 12230 World Trade Drive
                 San Diego, CA 92128

                 Attention: President

With copy to:    Brobeck Phleger & Harrison
                 550 West "C" Street, Suite 1300
                 San Diego, CA 92101
                 Attn: Craig S. Andrews

Buyer:           3Com Corporation
                 5400 Bayfront Plaza
                 Santa Clara, CA 95052

                 Attention: General Counsel

With copy to:    Gray Cary Ware & Freidenrich
                 400 Hamilton Avenue
                 Palo Alto, CA 94301
                 Attention: J. Howard Clowes
</TABLE>

    Such notice will be treated as having been received upon actual receipt.

        14.13  TIME.  Time is of the essence of this Agreement.

        14.14  CONSTRUCTION OF AGREEMENT.  This Agreement has been negotiated by
    the  respective parties hereto  and their attorneys  and the language hereof
    shall not be  construed for or  against any party.  The titles and  headings
    herein are for reference purposes only and shall not in any manner limit the
    construction of this Agreement which shall be considered as a whole.

        14.15   NO JOINT VENTURE.  Nothing  contained in this Agreement shall be
    deemed or construed as creating a  joint venture or partnership between  any
    of the parties hereto. No party is by virtue of this Agreement authorized as
    an  agent, employee  or legal  representative of  any other  party. No party
    shall have the power to control  the activities and operations of any  other
    and  their  status  is, and  at  all times,  will  continue to  be,  that of
    independent contractors with respect to each other. No party shall have  any
    power  or authority to bind or commit  any other. No party shall hold itself
    out as having any authority or relationship in contravention of this Section
    14.15.

        14.16   PRONOUNS.   All pronouns  and any  variations thereof  shall  be
    deemed to refer to the masculine, feminine or neuter, singular or plural, as
    the identity of the person, persons, entity or entities may require.

        14.17   FURTHER ASSURANCES.   Each party agrees  to cooperate fully with
    the other parties  and to  execute such further  instruments, documents  and
    agreements and to give such further written assurances, as may be reasonably
    requested by any other party to better evidence and reflect the transactions
    described  herein  and  contemplated hereby  and  to carry  into  effect the
    intents and purposes of this Agreement.

                                      A-37
<PAGE>
        14.18  ABSENCE OF THIRD PARTY BENEFICIARY RIGHTS.  No provisions of this
    Agreement are intended, nor shall be  interpreted, to provide or create  any
    third  party  beneficiary rights  or any  other  rights of  any kind  in any
    client, customer, affiliate, shareholder, partner of any party hereto or any
    other person or entity unless  specifically provided otherwise herein,  and,
    except  as  so  provided, all  provisions  hereof shall  be  personal solely
    between the parties to this Agreement.

                                      A-38
<PAGE>
    IN WITNESS WHEREOF, the  parties hereto have executed  this Agreement as  of
the date first set forth above.

<TABLE>
<S>                                           <C>
3COM CORPORATION                              PRIMARY ACCESS CORPORATION
By:                                           By:
Title:                                        Title:

ANUINUI ACQUISITION CORPORATION
By:
Title:
</TABLE>

                                      A-39
<PAGE>
                               LIST OF EXHIBITS:

<TABLE>
<S>           <C>
EXHIBIT A:    AGREEMENT OF MERGER
EXHIBIT B:    PRIOR FINANCIAL STATEMENTS
EXHIBIT C:    OPINION OF BUYER COUNSEL
EXHIBIT D:    OPINION OF PAC COUNSEL
</TABLE>

                                      AA-1
<PAGE>
                                                                       EXHIBIT A

                              AGREEMENT OF MERGER
                                       OF
                        ANUINUI ACQUISITION CORPORATION
                                 WITH AND INTO
                           PRIMARY ACCESS CORPORATION

    This  Agreement of Merger ("Agreement")  is entered into as  of this  day of
April, 1995 by and among  3Com Corporation, a California corporation,  ("3Com"),
Anuinui  Acquisition  Corporation,  a  newly-formed  California  corporation and
wholly owned  subsidiary of  3Com  ("Sub"), and  Primary Access  Corporation,  a
California corporation ("PAC").

    1.   AGREEMENT TO ACQUIRE  PAC.  Subject to the  terms of this Agreement and
the Agreement and Plan  of Reorganization dated March  21, 1995 (the "Plan")  by
and  between 3Com, Sub and  PAC, PAC shall be acquired  by 3Com through a merger
(the "Merger")  of Sub  with  and into  PAC. The  Plan  and this  Agreement  are
intended to be construed together in order to effectuate their purposes.

    2.    EFFECTIVE DATE  AND CLOSING  OF  MERGER.   Pursuant to  the California
General Corporation Law (the  "California Code"), Sub shall  be merged with  and
into  PAC and PAC shall  be the surviving corporation  of the Merger. The Merger
shall be effective immediately upon the date stamped by the California Secretary
of State upon this Agreement and such officers' certificates of each constituent
corporation (the "Effective Date").

    3.  SURVIVING CORPORATION.  At the Effective Date, Sub shall be merged  with
and into PAC. As a result of the Merger, the separate corporate existence of Sub
shall  cease  and PAC  shall continue  as  the surviving  corporation (sometimes
referred to herein  as the  "Surviving Corporation")  and shall  succeed to  and
assume  all of the rights and obligations of  Sub in accordance with the laws of
California.

    4.  ARTICLES AND BYLAWS.  The Articles of Incorporation and Bylaws of Sub in
effect immediately  prior  to  the  Effective Date  shall  be  the  Articles  of
Incorporation  and  Bylaws,  respectively, of  Surviving  Corporation  after the
Effective Date unless and until further amended as provided by law.

    5.  DIRECTORS AND OFFICERS.   The directors and officers of Sub  immediately
prior to the Effective Date shall be the directors and officers of the Surviving
Corporation  after the  Effective Date. Such  directors and  officers shall hold
their  position  until  the  election  and  qualification  of  their  respective
successors  or until their tenure is otherwise terminated in accordance with the
Bylaws of Surviving Corporation.

    6.  EXCHANGE RATIO; CONVERSION OF SHARES AND ASSUMPTION OF OPTIONS.

        a.  The "Exchange Ratio" for the conversion of the PAC Common Stock  (as
    defined in the recitals of the Plan) and the PAC Preferred Stock (as defined
    in  the recitals of the Plan) shall  be determined by dividing the Aggregate
    Purchase Price (as defined  below) by the Average  Price (as defined  below)
    and then dividing such foregoing quotient by the sum of (i) the total number
    of  issued and outstanding shares  of PAC Common Stock,  plus (ii) the total
    number of shares of PAC Common Stock issuable upon conversion of all  issued
    and  outstanding shares of PAC Preferred  Stock, plus (iii) the total number
    of shares of  PAC Common  Stock issuable upon  exercise of  PAC Options  (as
    defined  in Section 1.4 of the Plan) and PAC Warrants (as defined in Section
    1.9 of the Plan) outstanding at the Effective Date. The "Aggregate  Purchase
    Price"  shall equal One Hundred Seventy Million Dollars ($170,000,000), less
    the amount of the Adjustment. The "Adjustment" shall equal the decrease,  if
    any,  between (a) the  net book value  of PAC as  of January 1,  1995 as set
    forth in financial statements previously delivered to 3Com, and (b) the  sum
    of  (1) the net book value of PAC (determined in accordance with GAAP) as of
    April 2, 1995 (the "Adjustment Balance  Sheet"), plus (2) the amount of  any
    fees  which are permitted to and have been  paid or accrued by or on account
    of PAC or  any of  its shareholders  under Section  14.6 of  the Plan,  plus

                                      AA-2
<PAGE>
    (3)  any  amount of  litigation  costs or  settlement  costs related  to the
    DataNet Litigation (as defined in Section 13.2 of the Plan) incurred by  PAC
    between the date of the Plan and the Closing Date (as defined in Section 2.6
    of  the Plan).  The Adjustment  shall be  increased by  the amount,  if any,
    required under Section 14.6 of the Plan regarding fees and expenses of  PAC,
    or  its shareholders,  in excess  of $1,750,000.  The parties  shall jointly
    prepare the Adjustment Balance Sheet. In the event there is any disagreement
    regarding the  Adjustment  Balance Sheet,  the  parties shall  resolve  such
    disagreement prior to the Closing (as defined in Section 2.6 of the Plan) in
    good  faith negotiation and,  if it cannot be  promptly resolved, the matter
    shall be submitted to an  independent accountant not affiliated with  either
    party  to be  mutually agreed upon  by both parties  whose determination the
    parties shall accept, provided that such determination does not result in an
    Adjustment in excess of  $750,000. If the  determination of such  accountant
    would  result in  an Adjustment  in excess of  $750,000, PAC  shall have the
    right to submit any disagreement regarding the Adjustment Balance Sheet to a
    binding arbitration in the manner set forth in Section 13.9 of the Plan  and
    shall  not be required to close the transactions contemplated under the Plan
    or this Agreement before such arbitration is completed.

        b.   The "Average  Price" shall  mean the  average of  the closing  sale
    prices  of the common stock, no par value, of 3Com (the "3Com Common Stock")
    reported in the WALL STREET JOURNAL, on the basis of information provided by
    the Nasdaq National  Market for  each of  the ten  trading days  immediately
    preceding  (but not including) the  Closing Date. Notwithstanding the above,
    if the  Average Price  is greater  than  1.05 times  the Initial  Price  (as
    defined  below),  then the  Exchange  Ratio shall  be  the number  of shares
    resulting from dividing the Aggregate Purchase Price by the product of  1.05
    times the Initial Price, and then dividing the foregoing quotient by the sum
    of  (i), (ii) and (iii) in Section 6(a)  above. If the Average Price is less
    than .95  times the  Initial Price,  then the  Exchange Ratio  shall be  the
    number of shares resulting from dividing the Aggregate Purchase Price by the
    product  of .95 times the Initial Price,  and then dividing such quotient by
    the sum of (i), (ii)  and (iii) in Section  6(a) above. The "Initial  Price"
    shall  be the closing sale  price of 3Com Common Stock  on March 13, 1995 as
    quoted on the  Nasdaq National  Market and as  reported in  the WALL  STREET
    JOURNAL.

        c.    If, between  the  date of  the Plan  and  the Effective  Date, the
    outstanding shares  of 3Com  Common Stock  shall have  been changed  into  a
    different   number  of  shares  or  a  different  class  by  reason  of  any
    reclassification, split-up, stock  dividend or stock  combination, then  the
    Exchange Ratio shall be correspondingly adjusted.

        d.   Each share of  PAC Stock (as defined in  the recitals of the Plan),
    issued and  outstanding immediately  prior to  the Effective  Date, will  by
    virtue  of the Merger  and at the Effective  Date, automatically and without
    further action on  the part of  any holder thereof,  be converted into  such
    fraction  of a share of  fully paid and nonassessable  shares of 3Com Common
    Stock as is equal to the Exchange Ratio.

        e.  Each share of common stock of Sub issued and outstanding immediately
    prior to the Effective  Date shall automatically and  without any action  on
    the  part of the holder thereof be  converted into one validly issued, fully
    paid and nonassessable share of common stock of the Surviving Corporation.

        f.   Each  PAC Option  that  is  outstanding immediately  prior  to  the
    Effective  Date will,  by virtue  of the Merger  and at  the Effective Date,
    automatically and without further action on the part of any holder  thereof,
    be  assumed  by 3Com  and  converted into  an  option (a  "3Com  Option") to
    purchase that  number  of shares  of  3Com  Common Stock  which  equals  the
    Exchange  Ratio  multiplied by  the  number of  shares  of PAC  Common Stock
    purchasable under the  PAC Option  immediately prior to  the Effective  Date
    (with  the resulting number of shares of 3Com Common Stock rounded up to the
    nearest whole number).  The exercise price  per share of  3Com Common  Stock
    purchasable  under each such 3Com Option will be equal to the exercise price
    of the PAC Option (per  share of PAC Common  Stock) divided by the  Exchange
    Ratio (with the resulting

                                      AA-3
<PAGE>
    amount  rounded up  to the nearest  whole cent).  Continuous employment with
    PAC, whether occurring before or after the Effective Date, shall be credited
    to an optionee for purposes of  determining the number of shares subject  to
    exercise,  vesting  or  repurchase  after  the  Effective  Date.  After  the
    Effective Date, 3Com shall issue to each holder of an outstanding PAC Option
    a document evidencing the foregoing assumption by 3Com. No fractional shares
    of 3Com Common Stock  shall be issued in  connection with 3Com Options.  All
    fractional  shares which would otherwise be  issuable shall be rounded up to
    the next full share. All of the  other terms of each 3Com Option  including,
    without  limitation,  the  vesting  period,  will  remain  the  same  as the
    corresponding assumed PAC Option.

        g.  Each PAC Warrant outstanding at the Effective Date shall, by  virtue
    of  the Merger  and without  further action  on the  part of  any holder, be
    assumed by 3Com at the Effective Date and converted into a 3Com Warrant. The
    warrants or other similar rights to acquire 3Com Common Stock issued by 3Com
    in exchange for PAC  Warrants pursuant to the  Merger (the "3Com  Warrants")
    will  continue to be on the terms and conditions set forth in the respective
    warrant agreements of the  PAC Warrants, except that:  (i) the 3Com  Warrant
    shall  be exercisable for a  number of shares of  3Com Common Stock equal to
    the number of  shares of PAC  Stock subject to  the PAC Warrant  immediately
    prior  to  the Effective  Date multiplied  by the  Exchange Ratio  (with the
    resulting number of shares  of 3Com Common Stock  rounded up to the  nearest
    whole number), (ii) the per share exercise price shall be an amount equal to
    the  per share exercise price  of the PAC Warrant  prior to the Closing Date
    divided by the Exchange Ratio (with  the resulting amount rounded up to  the
    nearest  whole cent).  No fractional  shares of  3Com Common  Stock shall be
    issued in connection  with the  3Com Warrants. All  fractional shares  which
    would otherwise be issuable shall be rounded up to the next full share.

    7.   FRACTIONAL SHARES.   No fractional shares of  3Com Common Stock will be
issued in connection with the Merger, but in lieu thereof, holders of PAC  Stock
who  would otherwise be entitled to receive a fraction of a share of 3Com Common
Stock will receive from  3Com, promptly after the  Effective Date, an amount  of
cash  equal to the Average Price of 3Com Common Stock multiplied by the fraction
of a  share  of 3Com  Common  Stock to  which  such holder  would  otherwise  be
entitled.

    8.   ESCROW AGREEMENT.   As provided in that  certain Escrow Agreement dated
April  , 1995 by and among 3Com, the Shareholders' Agent (as defined in  Section
13.10  of the Plan) and the Escrow Agent named therein (the "Escrow Agreement"),
to be executed pursuant to Section 6.7  of the Plan, (i) at the Effective  Date,
3Com  will deposit in escrow certificates  representing ten percent (10%) of the
shares of 3Com Common Stock issued to the holders of PAC Stock in the Merger, on
a pro rata  basis; and  (ii) upon  each exercise of  the 3Com  Options that  are
issued  to holders  of PAC  Options in  the Merger,  if such  occurs between the
Effective Date and on or before the final escrow release date, 3Com will deposit
in escrow certificates  representing ten  percent (10%)  of the  shares of  3Com
Common  Stock issued upon such exercise. Such shares shall be held as collateral
for the indemnification obligations  of PAC's shareholders  under Section 13  of
the Plan and pursuant to the provisions of the Escrow Agreement.

    9.  EXCHANGE OF CERTIFICATES.

        a.   EXCHANGE AGENT.  Prior to  the Closing Date, 3Com shall appoint The
    First National  Bank of  Boston  to act  as  exchange agent  (the  "Exchange
    Agent") in the Merger.

        b.   3COM TO PROVIDE COMMON STOCK.  Promptly after the Effective Date of
    the Merger (but in no event later than five business days thereafter),  3Com
    shall  make available for exchange in accordance  with Section 2 of the Plan
    and the terms of this Agreement, through such reasonable procedures as  3Com
    may adopt, the shares of 3Com Common Stock issuable pursuant to Section 2 of
    the  Plan and the terms of this Agreement in exchange for outstanding shares
    of PAC Stock (less the number of shares of 3Com Common Stock to be deposited
    in escrow pursuant to Section 2.4 of the Plan).

                                      AA-4
<PAGE>
        c.  EXCHANGE  PROCEDURES.  As  soon as practicable  after the  Effective
    Date  of the Merger  (but no later  than fifteen (15)  days thereafter), the
    Exchange Agent  shall mail  to each  holder of  record of  a certificate  or
    certificates  that immediately  prior to  the Effective  Date of  the Merger
    represented outstanding  shares of  PAC  Stock (the  "Certificates"),  whose
    shares  are being converted into 3Com Common  Stock pursuant to Section 2 of
    the Plan and the terms of this Agreement, (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  delivery of the Certificates to  the
    Exchange  Agent  and  which  shall  be in  such  form  and  have  such other
    provisions as 3Com may reasonably specify) and (ii) instructions for use  in
    effecting  the surrender  of the  Certificates in  exchange for  3Com Common
    Stock. Upon  surrender of  a Certificate  for cancellation  to the  Exchange
    Agent  or to such other agent or agents as may be appointed by 3Com together
    with  such  letter  of  transmittal,  duly  executed,  the  holder  of  such
    Certificate shall be entitled to receive the number of shares of 3Com Common
    Stock to which such holder is entitled pursuant to Section 2 of the Plan and
    this  Agreement  (less the  number  of shares  of  3Com Common  Stock  to be
    deposited in escrow pursuant to Section 2.4 of the Plan). The Certificate so
    surrendered  shall  immediately  be  canceled.  3Com  shall  make  customary
    provisions  for  lost stock  certificates.  In the  event  of a  transfer of
    ownership of PAC  Stock that is  not registered in  the transfer records  of
    PAC,  the appropriate number of shares of 3Com Common Stock may be delivered
    to a transferee if the Certificate  represented such PAC Stock is  presented
    to  the Exchange Agent and accompanied by all documents required to evidence
    and effect such transfer and to evidence that any applicable stock  transfer
    taxes  have been paid.  Until surrendered as  contemplated by this Agreement
    and Section 8.2 of the  Plan, each Certificate shall  be deemed at any  time
    after  the Effective Date  of the Merger  to represent the  right to receive
    upon such surrender the number of shares of 3Com Common Stock as provided by
    this Agreement and Section 8.2 of the Plan and by the California Code.

        d.  NO FURTHER  OWNERSHIP RIGHTS IN  PAC STOCK.   All 3Com Common  Stock
    delivered  upon  the  surrender  for  exchange of  shares  of  PAC  Stock in
    accordance with the terms of the Plan and this Agreement shall be deemed  to
    have  been delivered in  full satisfaction of all  rights pertaining to such
    shares of PAC Stock. There shall be no further registration of transfers  on
    the  stock transfer books of the Surviving  Corporation of the shares of PAC
    Stock that were outstanding immediately prior  to the Effective Date of  the
    Merger.  If  after  the  Effective  Date  of  the  Merger,  Certificates are
    presented to  the  Surviving  Corporation  for any  reason,  they  shall  be
    canceled  and exchanged as provided in this Agreement and Section 8.2 of the
    Plan.

    10.  FURTHER ASSIGNMENTS.   After the Effective  Date, PAC and its  officers
and directors may execute and deliver such deeds, assignments and assurances and
do  all other things necessary or desirable to vest, perfect or confirm title to
PAC property or rights  in PAC and  otherwise to carry out  the purposes of  the
Plan in the name of Sub or otherwise.

    11.   APPRAISAL RIGHTS.   If holders of PAC  Stock are entitled to appraisal
rights in  connection with  the Merger,  any Dissenting  Shares (as  defined  in
Section  1.25 of the Plan)  shall not be converted into  a right to receive 3Com
Common Stock but shall be converted into the right to receive such consideration
as may be determined to be due  with respect to such Dissenting Shares  pursuant
to the laws of the State of California. PAC shall give 3Com prompt notice of any
demand  received by PAC for appraisal of  PAC capital stock, and 3Com shall have
the right to  participate in all  negotiations and proceedings  with respect  to
such  demand. PAC agrees that, except with  the prior written consent of 3Com or
as required under the California Code, it will not voluntarily make any  payment
with  respect to, or settle  or offer to settle,  any such demand for appraisal.
Each holder of Dissenting Shares ("Dissenting Shareholder") who, pursuant to the
provisions of the California Code, becomes  entitled to payment of the value  of
shares  of PAC Stock shall receive payment therefor from PAC (but only after the
value therefor shall  have been agreed  upon or finally  determined pursuant  to
such  provisions). In the event of legal obligation, after the Effective Date of
the Merger, to  deliver a  right to  receive 3Com Common  Stock to  a holder  of
shares  of PAC capital stock  who shall have failed  to make an effective demand
for appraisal or shall  have lost his status  as a Dissenting Shareholder,  3Com
shall

                                      AA-5
<PAGE>
issue  and  deliver,  upon  surrender  by  such  Dissenting  Shareholder  of his
certificate or certificates representing  shares of PAC  Stock, the 3Com  Common
Stock to which such Dissenting Shareholder is then entitled under this Agreement
and Section 2.5 of the Plan.

    12.    ASSIGNMENT.    No  party  hereto may  assign  any  of  its  rights or
obligations hereunder without  the prior  written consent of  the other  parties
hereto.  This Agreement shall  be binding upon  and inure to  the benefit of the
parties hereto  and their  respective successors,  personal representatives  and
permitted assigns.

    13.   GOVERNING LAW.   This Agreement shall be  governed by and construed in
accordance with the  laws of  the State  of California  applicable to  contracts
entered  into and to be performed wholly  within the State of California without
regard to principles of conflict of laws.

    14.   COUNTERPARTS.    This Agreement  may  be  executed in  any  number  of
counterparts,  each of  which will  be an  original as  regards any  party whose
signature appears thereon and all of which together will constitute one and  the
same instrument.

    IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly
executed on the date and year first above written.

<TABLE>
<S>                                           <C>
PRIMARY ACCESS CORPORATION                    3COM CORPORATION

By:                                           By:

Title:                                        Title:

By:                                           By:

Title: Secretary                              Title: Secretary

                                              ANUINUI ACQUISITION CORPORATION

                                              By:

                                              Title:

                                              By:

                                              Title: Secretary
</TABLE>

                                      AA-6
<PAGE>
                          CALIFORNIA CORPORATIONS CODE
                                   CHAPTER 13
                               DISSENTERS' RIGHTS

SECTION1300. RIGHT TO REQUIRE PURCHASE -- "DISSENTING SHARES" AND "DISSENTING
SHAREHOLDER" DEFINED.

    (a) If the approval of the outstanding shares (Section 152) of a corporation
is  required for a reorganization under  subdivisions (a) and (b) or subdivision
(e) or (f) of Section 1201, each shareholder of the corporation entitled to vote
on the  transaction  and each  shareholder  of  a subsidiary  corporation  in  a
short-form  merger may, by complying with  this chapter, require the corporation
in which the shareholder holds shares to purchase for cash at their fair  market
value the shares owned by the shareholder which are dissenting shares as defined
in  subdivision (b).  The fair market  value shall  be determined as  of the day
before the first  announcement of the  terms of the  proposed reorganization  or
short-form  merger, excluding any appreciation or depreciation in consequence of
the proposed action, but  adjusted for any stock  split, reverse stock split  or
share dividend which becomes effective thereafter.

    (b)  As used  in this chapter,  "dissenting shares" means  shares which come
within all of the following descriptions:

        (1) Which were not immediately prior to the reorganization or short-form
    merger either (A) listed  on any national  securities exchange certified  by
    the  Commissioner of Corporations under subdivision  (o) of Section 25100 or
    (B) listed on the list of OTC margin stocks issued by the Board of Governors
    of the Federal Reserve System, and the notice of meeting of shareholders  to
    act upon the reorganization summarizes this section and Sections 1301, 1302,
    1303  and 1304; provided, however, that this provision does not apply to any
    shares with  respect  to which  there  exists any  restriction  on  transfer
    imposed  by  the corporation  or  by any  law  or regulation;  and provided,
    further, that this provision does not apply to any class of shares described
    in subparagraph (A) or (B) if demands for payment are filed with respect  to
    5 percent or more of the outstanding shares of that class.

        (2)  Which  were  outstanding  on  the  date  for  the  determination of
    shareholders entitled to vote on the  reorganization and (A) were not  voted
    in  favor of the reorganization or, (B)  if described in subparagraph (A) or
    (B) of paragraph (1) (without regard  to the provisions in that  paragraph),
    were  voted against the reorganization, or which  were held of record on the
    effective date of a short-form merger; provided, however, that  subparagraph
    (A) rather than subparagraph (B) of this paragraph applies in any case where
    the  approval required by  Section 1201 is sought  by written consent rather
    than at a meeting.

        (3) Which the dissenting shareholder  has demanded that the  corporation
    purchase at their fair market value, in accordance with Section 1301.

        (4)  Which the dissenting shareholder  has submitted for endorsement, in
    accordance with Section 1302.

    (c) As used in this chapter, "dissenting shareholder" means the recordholder
of dissenting shares and includes a  transferee of record. LEG.H. 1975 ch.  682,
1976  ch. 641, effective  January 1, 1977,  1982 ch. 36,  effective February 17,
1982, 1990 ch. 1018, 1993 ch. 543.

    1993 NOTE:  Nothing in  this act shall be construed  to modify or alter  the
prohibition  contained in Sections  15503 and 15616 of  the Corporations Code or
Section 1648 of the Insurance Code,  or modify or alter any similar  prohibition
relating to the operation of a business in limited partnership form. Stats. 1993
ch. 543 Section24.

    Nothing  in this act  shall be construed  to modify or  impair any rights of
limited partners under  the Thompson-Killea Limited  Partners Protection Act  of
1992 (Chapter 1183 of the Statutes of 1992). Stats. 1993 ch. 543 Section25.

                                      B-1
<PAGE>
SECTION1301. DEMAND FOR PURCHASE.

    (a)  If, in the case of a  reorganization, any shareholders of a corporation
have a right under Section 1300,  subject to compliance with paragraphs (3)  and
(4)  of subdivision  (b) thereof, to  require the corporation  to purchase their
shares for cash, such corporation shall  mail to each such shareholder a  notice
of  the approval of  the reorganization by its  outstanding shares (Section 152)
within 10  days after  the  date of  such approval,  accompanied  by a  copy  of
Sections  1300, 1302,  1303, 1304  and this  section, a  statement of  the price
determined by  the  corporation  to  represent the  fair  market  value  of  the
dissenting  shares, and a brief  description of the procedure  to be followed if
the shareholder desires to exercise the shareholder's right under such sections.
The statement of price  constitutes an offer by  the corporation to purchase  at
the  price stated any dissenting shares as defined in subdivision (b) of Section
1300, unless they lose their status as dissenting shares under Section 1309.

    (b) Any shareholder who has a  right to require the corporation to  purchase
the shareholder's shares for cash under Section 1300, subject to compliance with
paragraphs  (3)  and  (4)  of  subdivision  (b)  thereof,  and  who  desires the
corporation  to  purchase  such  shares  shall  make  written  demand  upon  the
corporation  for the purchase of  such shares and payment  to the shareholder in
cash of their fair  market value. The  demand is not  effective for any  purpose
unless  it is received by  the corporation or any  transfer agent thereof (1) in
the case  of  shares  described in  clause  (i)  or (ii)  of  paragraph  (1)  of
subdivision  (b)  of  Section  1300  (without regard  to  the  provisos  in that
paragraph), not later than  the date of the  shareholders' meeting to vote  upon
the  reorganization, or (2) in  any other case within 30  days after the date on
which the  notice  of  the  approval  by  the  outstanding  shares  pursuant  to
subdivision  (a) or the notice  pursuant to subdivision (i)  of Section 1110 was
mailed to the shareholder.

    (c) The demand shall state the number and class of the shares held of record
by the shareholder which the  shareholder demands that the corporation  purchase
and  shall contain a  statement of what  such shareholder claims  to be the fair
market value  of those  shares as  of the  day before  the announcement  of  the
proposed reorganization or short-form merger. The statement of fair market value
constitutes an offer by the shareholder to sell the shares at such price. LEG.H.
1975 ch. 682, 1976 ch. 641, effective January 1, 1977, 1980 chs. 501, 1155.

SECTION1302. ENDORSEMENT OF SHARES.

    Within  30  days after  the  date on  which notice  of  the approval  by the
outstanding shares or the notice pursuant to subdivision (i) of Section 1110 was
mailed to the shareholder,  the shareholder shall submit  to the corporation  at
its  principal office or at the office of any transfer agent thereof, (a) if the
shares are certificated securities, the shareholder's certificates  representing
any  shares which the  shareholder demands that the  corporation purchase, to be
stamped or endorsed with a statement that the shares are dissenting shares or to
be exchanged for certificates of appropriate denomination so stamped or endorsed
or (b) if the shares are uncertificated securities, written notice of the number
of shares  which the  shareholder demands  that the  corporation purchase.  Upon
subsequent  transfers of the dissenting shares  on the books of the corporation,
the  new  certificates,  initial   transaction  statement,  and  other   written
statements  issued therefor shall bear a  like statement, together with the name
of the original dissenting holder of the shares. LEG.H. 1975 ch. 682,  effective
January 1, 1977, 1986 ch. 766.

SECTION1303. AGREED PRICE -- TIME FOR PAYMENT.

    (a)  If  the  corporation and  the  shareholder  agree that  the  shares are
dissenting shares  and  agree upon  the  price  of the  shares,  the  dissenting
shareholder  is entitled to the agreed price  with interest thereon at the legal
rate on judgments from the date of the agreement. Any agreements fixing the fair
market value of any dissenting shares as between the corporation and the holders
thereof shall be filed with the secretary of the corporation.

    (b) Subject to the  provisions of Section 1306,  payment of the fair  market
value of dissenting shares shall be made within 30 days after the amount thereof
has been agreed or within 30 days after

                                      B-2
<PAGE>
any  statutory or  contractual conditions  to the  reorganization are satisfied,
whichever is  later, and  in the  case of  certificated securities,  subject  to
surrender  of the certificates therefor, unless provided otherwise by agreement.
LEG.H. 1975 ch. 682, effective January 1, 1977, 1980 ch. 501, 1986 ch. 766.

SECTION1304. DISSENTER'S ACTION TO ENFORCE PAYMENT.

    (a) If the corporation denies that the shares are dissenting shares, or  the
corporation  and the shareholder fail to agree upon the fair market value of the
shares, then the  shareholder demanding  purchase of such  shares as  dissenting
shares  or any interested corporation, within six months after the date on which
notice of  the  approval by  the  outstanding  shares (Section  152)  or  notice
pursuant  to subdivision (i) of Section 1110  was mailed to the shareholder, but
not thereafter, may file a complaint in the superior court of the proper  county
praying  the court to determine whether the  shares are dissenting shares or the
fair market value  of the  dissenting shares  or both  or may  intervene in  any
action pending on such a complaint.

    (b)  Two or more dissenting shareholders may join as plaintiffs or be joined
as defendants  in  any  such  action  and  two  or  more  such  actions  may  be
consolidated.

    (c) On the trial of the action, the court shall determine the issues. If the
status  of the shares  as dissenting shares  is in issue,  the court shall first
determine that issue. If the  fair market value of  the dissenting shares is  in
issue,  the  court  shall determine,  or  shall  appoint one  or  more impartial
appraisers to determine, the  fair market value of  the shares. LEG.H. 1975  ch.
682, effective January 1, 1977.

SECTION1305. APPRAISERS' REPORT -- PAYMENT -- COSTS.

    (a)  If the  court appoints an  appraiser or appraisers,  they shall proceed
forthwith to determine the fair market value per share. Within the time fixed by
the court, the appraisers, or a majority  of them, shall make and file a  report
in  the office of the clerk of the court. Thereupon, on the motion of any party,
the report shall be submitted  to the court and  considered on such evidence  as
the  court considers  relevant. If  the court  finds the  report reasonable, the
court may confirm it.

    (b) If a majority of the appraisers appointed fail to make and file a report
within 10 days from the date of their appointment or within such further time as
may be allowed by  the court or the  report is not confirmed  by the court,  the
court shall determine the fair market value of the dissenting shares.

    (c)  Subject to the  provisions of Section 1306,  judgment shall be rendered
against the corporation for payment of an amount equal to the fair market  value
of each dissenting share multiplied by the number of dissenting shares which any
dissenting  shareholder who is  a party, or  who has intervened,  is entitled to
require the corporation  to purchase, with  interest thereon at  the legal  rate
from the date on which judgment was entered.

    (d)   Any  such  judgment  shall  be   payable  forthwith  with  respect  to
uncertificated securities  and, with  respect to  certificated securities,  only
upon the endorsement and delivery to the corporation of the certificates for the
shares described in the judgment. Any party may appeal from the judgment.

    (e)  The  costs  of the  action,  including reasonable  compensation  to the
appraisers to be fixed  by the court,  shall be assessed  or apportioned as  the
court  considers equitable, but,  if the appraisal exceeds  the price offered by
the  corporation,  the  corporation  shall  pay  the  costs  (including  in  the
discretion  of the court attorneys' fees,  fees of expert witnesses and interest
at the legal rate on judgments from  the date of compliance with Sections  1300,
1301  and 1302 if the value awarded by the court for the shares is more than 125
percent of the price offered by the corporation under subdivision (a) of Section
1301). LEG.H. 1975 ch. 682,  1976 ch. 641, effective  January 1, 1977, 1977  ch.
235, 1986 ch. 766.

SECTION1306. DISSENTING SHAREHOLDER'S STATUS AS CREDITOR.

    To  the extent that the  provisions of Chapter 5  prevent the payment to any
holders of  dissenting shares  of their  fair market  value, they  shall  become
creditors of the corporation for the amount

                                      B-3
<PAGE>
thereof  together with interest at the legal rate on judgments until the date of
payment, but subordinate to all  other creditors in any liquidation  proceeding,
such  debt to  be payable  when permissible under  the provisions  of Chapter 5.
LEG.H. 1975 ch. 682, effective January 1, 1977.

SECTION1307. DIVIDENDS PAID AS CREDIT AGAINST PAYMENT.

    Cash dividends  declared and  paid by  the corporation  upon the  dissenting
shares  after  the date  of approval  of the  reorganization by  the outstanding
shares (Section 152)  and prior  to payment for  the shares  by the  corporation
shall  be  credited against  the  total amount  to  be paid  by  the corporation
therefor. LEG.H. 1975 ch. 682, effective January 1, 1977.

SECTION1308. CONTINUING RIGHTS AND PRIVILEGES OF DISSENTING SHAREHOLDERS.

    Except as expressly limited  in this chapter,  holders of dissenting  shares
continue  to have all the rights and  privileges incident to their shares, until
the fair market value of their shares is agreed upon or determined. A dissenting
shareholder may  not  withdraw  a  demand for  payment  unless  the  corporation
consents thereto. Leg.H. 1975 ch. 682, effective January 1, 1977.

SECTION1309. TERMINATION OF DISSENTING SHAREHOLDER STATUS.

    Dissenting  shares lose  their status as  dissenting shares  and the holders
thereof cease to be dissenting shareholders and cease to be entitled to  require
the  corporation  to purchase  their shares  upon  the happening  of any  of the
following:

        (a) The corporation abandons the reorganization. Upon abandonment of the
    reorganization, the  corporation  shall  pay on  demand  to  any  dissenting
    shareholder  who has initiated proceedings in  good faith under this chapter
    all  necessary  expenses  incurred   in  such  proceedings  and   reasonable
    attorneys' fees.

        (b) The shares are transferred prior to their submission for endorsement
    in  accordance  with Section  1302 or  are  surrendered for  conversion into
    shares of another class in accordance with the articles.

        (c) The dissenting shareholder and the corporation do not agree upon the
    status of the shares as dissenting shares or upon the purchase price of  the
    shares,  and neither files a complaint or  intervenes in a pending action as
    provided in Section 1304, within six  months after the date on which  notice
    of  the approval by the outstanding shares or notice pursuant to subdivision
    (i) of Section 1110 was mailed to the shareholder.

        (d) The dissenting  shareholder, with  the consent  of the  corporation,
    withdraws  the shareholder's demand  for purchase of  the dissenting shares.
    LEG.H. 1975 ch. 682, effective January 1, 1977.

SECTION1310. SUSPENSION OF PROCEEDINGS FOR PAYMENT PENDING LITIGATION.

    If litigation is  instituted to test  the sufficiency or  regularity of  the
votes of the shareholders in authorizing a reorganization, any proceedings under
Section  1304  and 1305  shall be  suspended until  final determination  of such
litigation. LEG.H. 1975 ch. 682, effective January 1, 1977.

SECTION1311. EXEMPT SHARES.

    This chapter, except Section 1312, does not apply to classes of shares whose
terms and provisions specifically set forth the amount to be paid in respect  to
such  shares in the  event of a  reorganization or merger.  LEG.H. 1975 ch. 682,
effective January 1, 1977, 1988 ch. 919.

SECTION1312. ATTACKING VALIDITY OF REORGANIZATION OR MERGER.

    (a) No shareholder of a  corporation who has a  right under this chapter  to
demand  payment of cash  for the shares  held by the  shareholder shall have any
right at  law or  in equity  to attack  the validity  of the  reorganization  or
short-form  merger, or to have the reorganization or short-form merger set aside
or rescinded, except in an action to test whether the number of shares  required
to  authorize or  approve the  reorganization have  been legally  voted in favor
thereof; but any holder of

                                      B-4
<PAGE>
shares of a class whose terms  and provisions specifically set forth the  amount
to  be paid in  respect to them in  the event of  a reorganization or short-form
merger is entitled to payment in accordance with those terms and provisions  or,
if   the  principal  terms  of  the  reorganization  are  approved  pursuant  to
subdivision (b) of Section 1202, is  entitled to payment in accordance with  the
terms and provisions of the approved reorganization.

    (b)  If  one of  the parties  to  a reorganization  or short-form  merger is
directly or  indirectly controlled  by, or  under common  control with,  another
party  to the  reorganization or  short-form merger,  subdivision (a)  shall not
apply to any shareholder of such party who has not demanded payment of cash  for
such  shareholder's  shares pursuant  to this  chapter,  but if  the shareholder
institutes any action to attack the validity of the reorganization or short-form
merger or  to  have  the  reorganization  or  short-form  merger  set  aside  or
rescinded, the shareholder shall not thereafter have any right to demand payment
of  cash for the shareholder's shares pursuant to this chapter. The court in any
action attacking the validity of the  reorganization or short-form merger or  to
have  the reorganization or  short-form merger set aside  or rescinded shall not
restrain or enjoin  the consummation  of the  transaction except  upon 10  days'
prior  notice to  the corporation  and upon  a determination  by the  court that
clearly no other remedy will  adequately protect the complaining shareholder  or
the class of shareholders of which such shareholder is a member.

    (c)  If  one of  the parties  to  a reorganization  or short-form  merger is
directly or  indirectly controlled  by, or  under common  control with,  another
party  to the reorganization or  short-form merger, in any  action to attack the
validity  of  the   reorganization  or   short-form  merger  or   to  have   the
reorganization  or short-form merger  set aside or  rescinded, (1) a  party to a
reorganization  or  short-form  merger  which  controls  another  party  to  the
reorganization  or short-form merger  shall have the burden  of proving that the
transaction is just  and reasonable  as to  the shareholders  of the  controlled
party,  and (2) a  person who controls  two or more  parties to a reorganization
shall have the burden of proving that the transaction is just and reasonable  as
to  the shareholders of any  party so controlled. LEG.H.  1975 ch. 682, 1976 ch.
641, effective January 1, 1977, 1988 ch. 919.

                                      B-5
<PAGE>
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 20.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

    Section  317 of the California Corporations Code authorizes a corporation to
indemnify  its  directors,  officers,  employees   or  other  agents  in   terms
sufficiently  broad  to  permit  indemnification  (including  reimbursement  for
expenses incurred) under certain circumstances for liabilities arising under the
Securities Act of 1933, as  amended. Registrant's Articles of Incorporation,  as
amended,  and Bylaws, as amended, provide  for indemnification of its directors,
officers, employees and  other agents  to the  maximum extent  permitted by  the
California  Corporations Code.  In addition, with  the approval of  the Board of
Directors  and   the  shareholders,   Registrant  has   entered  into   separate
indemnification  agreements  with  its  directors  and  officers  which  require
Registrant, among other  things, to indemnify  them against certain  liabilities
which  may arise by  reason of their  status or service  (other than liabilities
arising from willful misconduct of a culpable nature, among certain other acts).

ITEM 21.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

    (a) Exhibits

<TABLE>
<CAPTION>
  EXHIBIT
  NUMBER                                              DESCRIPTION
-----------  ----------------------------------------------------------------------------------------------
<S>          <C>
       2.1   Agreement and Plan of Reorganization, dated March 21, 1995, by and among 3Com Corporation,
             Anuinui Acquisition Corporation and Primary Access Corporation.
       3.1   Amended and Restated Articles of Incorporation (Exhibit 19.1 to Form 10-Q) (8)
       3.2   Certificate of Amendment of the Amended and Restated Articles of Incorporation (Exhibit 3.2 to
             Form 10-K) (19)
       3.3   Bylaws, as amended and restated (Exhibit 3.2 to Form 10-K) (10)
       4.1   Reference is made to Exhibit 3.1 (Exhibit 4.1 to Form 10-K) (19)
       5.1   Opinion of Gray Cary Ware & Freidenrich*
       8.1   Opinion of Gray Cary Ware & Freidenrich as to Tax Matters*
       8.2   Opinion of Brobeck, Phleger & Harrison as to Tax Matters*
      10.1   1983 Stock Option Plan, as amended (Exhibit 10.1 to Form 10-K) (10)
      10.2   Amended and Restated Incentive Stock Option Plan (4)
      10.3   License Agreement dated March 19, 1981 (1)
      10.4   First Amended and Restated 1984 Employee Stock Purchase Plan, as amended (Exhibit 19.1 to Form
             10-Q) (11)
      10.5   License Agreement dated as of June 1, 1986 (Exhibit 10.16 to Form 10-K) (3)
      10.6   3Com Corporation Director Stock Option Plan, as amended (Exhibit 19.3 to Form 10-Q) (11)
      10.7   Bridge Communications, Inc. 1983 Stock Option Plan, as amended (Exhibit 4.7 to Form S-8) (2)
      10.8   3Com Headquarters Lease dated December 1, 1988, as amended (Exhibit 10.14 to Form 10-K) (10)
      10.9   Ground Lease dated July 5, 1989 (Exhibit 10.19 to Form 10-K) (5)
     10.10   Sublease Agreement dated February 9, 1989 (Exhibit 10.20 to Form 10-K) (5)
     10.11   Credit Agreement dated April 21, 1993 (Exhibit 10.11 to Form 10-K) (16)
     10.12   Asset Purchase Agreement dated as of January 24, 1992 (Exhibit 2.1 to Form 8-K) (12)
</TABLE>

                                      II-1
<PAGE>
<TABLE>
<CAPTION>
  EXHIBIT
  NUMBER                                              DESCRIPTION
-----------  ----------------------------------------------------------------------------------------------
     10.13   3Com Corporation Restricted Stock Plan dated July 9, 1991 (Exhibit 19.2 to Form 10-Q) (11)
<S>          <C>
     10.14   Agreement and Plan of Merger dated December 16, 1992 (Exhibit 3 to Form 8-K) (13)
     10.15   Form of Escrow and Indemnification Agreement for Directors and Officers (Exhibit 10.15 to Form
             10-Q) (18)
     10.16   Agreement and Plan of Reorganization dated December 16, 1993 among 3Com Corporation, 3Sub
             Corporation and Synernetics, Inc. (Exhibit 7.1 to Form 8-K) (14)
     10.17   Side Agreement Regarding Agreement and Plan of Reorganization dated January 14, 1993 among
             3Com Corporation, 3Sub Corporation and Synernetics, Inc. (Exhibit 7.2 to Form 8-K) (14)
     10.18   Agreement and Plan of Reorganization dated January 18, 1994 (Exhibit 7.2 to Form 8-K) (15)
     10.19   Escrow and Indemnification and Escrow Agreement dated February 2, 1994 (Exhibit 7.3 to Form
             8-K) (15)
     10.20   Amendment to Credit Agreement (Exhibit 10.20 to Form 10-Q) (17)
     10.21   Second Amendment to Credit Agreement (Exhibit 10.21 to Form 10-Q) (17)
     10.22   1994 Stock Option Plan (Exhibit 10.22 to Form 10-K) (19)
     10.23   Lease Agreement between BNP Leasing Corporation, as Landlord, and 3Com Corporation, as Tenant,
             effective as of July 14, 1994 (Exhibit 10.23 to Form 10-Q) (20)
     10.24   Purchase Agreement between BNP Leasing Corporation and 3Com Corporation, dated July 14, 1994
             (Exhibit 10.24 to Form 10-Q) (20)
     10.25   Asset Purchase Agreement dated September 18, 1994 (Exhibit 7.1 to Form 8-K) (21)
     10.26   First Amendment to Asset Purchase Agreement dated October 17, 1994 (Exhibit 7.2 to Form 8-K)
             (21)
     10.27   Amended and Restated Rights Agreement dated December 21, 1994 (22)
      21.1   Subsidiaries of the Registrant
      23.1   Consent of Deloitte & Touche LLP (including Report on Schedule)
      23.2   Consent of KPMG Peat Marwick LLP (including Report on Schedule)
      23.3   Consent of Levine, Zeidman & Daitch, P.C.
      23.4   Consent of Gray Cary Ware & Freidenrich (included in Exhibits 5.1 and 8.1)*
      23.5   Consent of Brobeck, Phleger & Harrison (included in Exhibit 8.2)*
      24.1   Power of Attorney (included on page II-5 of this Registration Statement)
      99.1   Form of Consent of Shareholders of Primary Access Corporation
<FN>
------------------------

*    To be filed by amendment

(1)  Incorporated by reference to the corresponding Exhibit previously filed  as
     an Exhibit to Registrant's Registration Statement on Form S-1 filed January
     25, 1984 (File No. 2-89045).

(2)  Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as  an Exhibit  to Registrants  Registration Statement  on
     Form S-8 filed October 13, 1987 (File No. 33-17848)
</TABLE>

                                      II-2
<PAGE>
<TABLE>
<S>  <C>
(3)  Incorporated  by  reference to  the  corresponding Exhibit  or  the Exhibit
     identified in parentheses  previously filed  as an  Exhibit to  Registrants
     Form 10-K filed August 29, 1987 (File No. 0-12867)

(4)  Incorporated  by  reference to  Exhibit  10.2 to  Registrant's Registration
     Statement on Form S-4 filed on August 31, 1987 (File No. 33-16850)

(5)  Incorporated by  reference  to the  corresponding  Exhibit or  the  Exhibit
     identified  in parentheses  previously filed  as an  Exhibit to Registrants
     Form 10-K filed on August 28, 1989 (File No. 0-12867)

(6)  Incorporated by reference to Exhibit 19.1 to Registrants Form 10-Q on April
     14, 1990 (File No. 0-12867)

(7)  Incorporated by  reference  to the  corresponding  Exhibit or  the  Exhibit
     identified  in parentheses  previously filed  as an  Exhibit to Registrants
     Form 10-K filed on August 28, 1990 (File No. 0-12867)

(8)  Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously filed as an Exhibit to Registrants Form 10-Q filed on January 2,
     1991 (File No. 0-12867)

(9)  Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-Q filed on April  15,
     1991 (File No. 0-12867)

(10) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 27,
     1991 (File No. 0-12867)

(11) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to  Registrants Form 10-Q filed January 10,
     1992 (File No. 0-12867)

(12) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an  Exhibit to Registrants Form  8-K filed on February
     18, 1992 (File No. 0-12867)

(13) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an  Exhibit to Registrants Form  8-K filed on February
     12, 1993 (File No. 9-12867)

(14) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously filed as an Exhibit to Registrants Form 8-K filed on January 31,
     1994 (File No. 0-12867)

(15) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an  Exhibit to Registrants Form  8-K filed on  February
     11, 1994 (File No. 0-12867)

(16) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 27,
     1993 (File No. 0-12867)

(17) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to Registrants Form 10-Q filed on April 13,
     1994 (File No. 0-12867)

(18) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an  Exhibit to Registrants Form  10-Q filed on January
     14, 1994 (File No. 0-12867)

(19) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 31,
     1994 (File No. 0-12867)

(20) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to  Registrant's Form 10-Q filed on  October
     16, 1994 (File No. 0-12867)

(21) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to  Registrant's Form 8-K filed on  November
     1, 1994 (File No. 0-12867)

(22) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to  Registrant's Form 10-Q filed on  January
     13, 1995 (File No. 0-12867)
</TABLE>

    (b) Financial Statement Schedules

                                      II-3
<PAGE>
    The  following schedules  of (i)  3Com for  each of  the three  years in the
period ended May 31, 1994 and (ii) Primary Access for the fifty-two weeks  ended
October  2,  1994, and  the  fifty-three weeks  ended  October 3,  1993  and the
fifty-two weeks  ended September  27,  1992 are  included in  this  Registration
Statement  on Form S-4. All  other schedules have been  omitted because they are
not applicable, or  because the required  information required is  shown in  the
financial statements or notes thereto.

    Schedule VIII--Valuation and Qualifying Accounts (3Com).

    Schedule VIII--Valuation and Qualifying Accounts (Primary Access).

ITEM 22.  UNDERTAKINGS

    (1)  Registrant  hereby  undertakes as  follows:  that prior  to  any public
reoffering of the securities  registered hereunder through  use of a  prospectus
which  is a part of  this Registration Statement, by any  person or party who is
deemed to be an underwriter within  the meaning of Rule 145(c), 3Com  undertakes
that  such reoffering prospectus will contain  the information called for by the
applicable registration Form with respect to  reofferings by persons who may  be
deemed  underwriters, in  addition to  the information  called for  by the other
Items of the applicable form.

    (2) Registrant undertakes that every  prospectus (i) that is filed  pursuant
to  paragraph  (1) immediately  preceding,  or (ii)  that  purports to  meet the
requirements of Section 10(a)(3) of the Securities Act and is used in connection
with an offering of securities subject to Rule  415, will be filed as a part  of
an  amendment to  the Registration  Statement and  will not  be used  until such
amendment is  effective, and  that, for  purposes of  determining any  liability
under  the Securities Act, each such post-effective amendment shall be deemed to
be a new registration statement relating to the securities offered therein,  and
the  offering of such securities at that time  shall be deemed to be the initial
bona fide offering thereof.

    (3) Registrant hereby undertakes to respond to requests for information that
is incorporated by reference into the Prospectus/Consent Solicitation  Statement
pursuant  to Items 4, 10(b), 11 or 13  of this Form S-4, within one business day
of receipt of  such request,  and to send  the incorporated  documents by  first
class mail or other equally prompt means. This includes information contained in
documents  filed subsequent to the effective  date of the Registration Statement
through the date of responding to the request.

    (4) Registrant  hereby undertakes  to supply  by means  of a  post-effective
amendment  all  information  concerning  a transaction,  and  the  company being
acquired involved  therein, that  was not  the subject  of and  included in  the
Registration Statement when it became effective.

    (5)  Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted  to directors, officers and controlling persons  of
Registrant  pursuant to the  foregoing provisions, or  otherwise, Registrant has
been advised that in the opinion of the Securities and Exchange Commission  such
indemnification  is against public policy as expressed in the Securities Act and
is, therefore,  unenforceable. In  the event  that a  claim for  indemnification
against  such  liabilities (other  than the  payment  by Registrant  of expenses
incurred or paid by a director,  officer or controlling person of Registrant  in
the  successful defense of any  action, suit or proceeding)  is asserted by such
director, officer or controlling person in connection with the securities  being
registered, Registrant will, unless in the opinion of its counsel the matter has
been  settled  by  controlling  precedent,  submit  to  a  court  of appropriate
jurisdiction the question whether such  indemnification by it is against  public
policy  as expressed  in the Securities  Act and  will be governed  by the final
adjudication of such issue.

                                      II-4
<PAGE>
                                   SIGNATURES

    Pursuant to the requirements of the Securities Act of 1933, 3Com Corporation
has  duly caused this Registration  Statement to be signed  on its behalf by the
undersigned, thereunto duly  authorized in  the City  of Santa  Clara, State  of
California, on the     day of March, 1995.

                                          3Com CORPORATION

                                          By:        /s/ ERIC A. BENHAMOU

                                             -----------------------------------
                                                      Eric A. Benhamou
                                                   CHAIRMAN, PRESIDENT AND
                                                   CHIEF EXECUTIVE OFFICER

                               POWER OF ATTORNEY

    Each  of  the officers  and directors  of  3Com Corporation  whose signature
appears below hereby constitutes and  appoints Eric A. Benhamou and  Christopher
B.  Paisley, and each of them, their  true and lawful attorneys and agents, with
full power of substitution, each with power to act alone, to sign and execute on
behalf of  the undersigned  any  amendment or  amendments to  this  Registration
Statement  on Form S-4 and  to perform any acts necessary  in order to file such
amendments, and each of the undersigned does hereby ratify and confirm all  that
said  attorneys and agents, or their or his substitutes, shall do or cause to be
done by virtue hereof.

    Pursuant to the requirements of the Securities Act of 1933, as amended, this
Registration Statement has  been signed below  by the following  persons in  the
capacities indicated on the     day of March, 1995.

<TABLE>
<CAPTION>
               SIGNATURE                              TITLE
----------------------------------------  ------------------------------

<C>                                       <S>
          /S/ ERIC A. BENHAMOU            Chairman of the Board,
----------------------------------------   President, and Chief
            Eric A. Benhamou               Executive Officer (Principal
                                           Executive Officer)

       /s/ CHRISTOPHER B. PAISLEY         Vice President, Finance and
----------------------------------------   Chief Financial Officer
         Christopher B. Paisley            (Principal Financial and
                                           Accounting Officer)

         /s/ JAMES L. BARKSDALE           Director
----------------------------------------
           James L. Barksdale

         /s/ GORDON A. CAMPBELL           Director
----------------------------------------
           Gordon A. Campbell

         /s/ JEAN-LOUIS GASSEE            Director
----------------------------------------
           Jean-Louis Gassee
</TABLE>

                                      II-5
<PAGE>
<TABLE>
<CAPTION>
               SIGNATURE                              TITLE
----------------------------------------  ------------------------------

         /s/ STEPHEN C. JOHNSON           Director
----------------------------------------
           Stephen C. Johnson
<C>                                       <S>

          /s/ PHILIP C. KANTZ             Director
----------------------------------------
            Philip C. Kantz

         /s/ WILLIAM F. ZUENDT            Director
----------------------------------------
           William F. Zuendt

          /s/ JACK L. HANCOCK             Director
----------------------------------------
            Jack L. Hancock
</TABLE>

                                      II-6
<PAGE>
                                                                   SCHEDULE VIII

                                3COM CORPORATION
                 VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
                FOR THE YEARS ENDED MAY 31, 1992, 1993 AND 1994
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                   BALANCE     ADDITIONS
                                     AT       CHARGED TO    RECLASSIFICATIONS                 POOLED
                                  BEGINNING    COSTS AND     AND CHARGES TO                  BUSINESS    BALANCE AT
DESCRIPTION                       OF PERIOD    EXPENSES      OTHER ACCOUNTS     DEDUCTIONS   -NET(1)    END OF PERIOD
--------------------------------  ---------   -----------   -----------------   ----------   --------   -------------
<S>                               <C>         <C>           <C>                 <C>          <C>        <C>
Year ended May 31, 1992:
Allowance for doubtful
 accounts.......................   $ 5,129    $ 3,683          $   306(3)       $ 2,019(2)       --        $ 7,099
Product return reserve..........     3,040      2,080              308(3)         1,421          --          4,007
Accrued product warranty........     5,370      6,587               --            4,392          --          7,565
Restructuring reserves:
  Inventory reserve.............     2,974         --               --            1,794          --          1,180
  Property and equipment
   reserve......................     2,633         --            3,123(4)         1,598          --          4,158
  Accrued restructuring costs...    29,915         --           (3,123)(4)       14,219          --         12,573
                                  ---------   -----------      -------          ----------   --------   -------------
      Total restructuring
       reserves.................    35,522         --               --           17,611          --         17,911
                                  ---------   -----------      -------          ----------   --------   -------------
Year ended May 31, 1993:
Allowance for doubtful
 accounts.......................   $ 7,099    $ 1,995               --          $ 2,636(2)     $ 40        $ 6,498
Product return reserve..........     4,007      2,088               --            2,716          53          3,432
Accrued product warranty........     7,565      9,494               --            6,546          40         10,553
Restructuring reserves:
  Inventory reserve.............     1,180         --            1,834(4)         1,315          --          1,699
  Property and equipment
   reserve......................     4,158     (1,844)(5)           25(4)         2,246          --             93
  Accrued restructuring costs...    12,573     (1,502)(5)       (1,859)(4)        5,155          --          4,057
                                  ---------   -----------      -------          ----------   --------   -------------
      Total restructuring
       reserves.................    17,911     (3,346)              --            8,716          --          5,849
                                  ---------   -----------      -------          ----------   --------   -------------
Year ended May 31, 1994:
Allowance for doubtful
 accounts.......................   $ 6,498    $ 4,459          $   168(3)       $   723(2)     $ --        $10,402
Product return reserve..........     3,432      1,759               --            1,422          --          3,769
Accrued product warranty........    10,553     11,776              863(3)         9,506          --         13,686
Restructuring reserves:
  Inventory reserve.............     1,699         --               --              774          --            925
  Property and equipment
   reserve......................        93         --               --               --          --             93
  Accrued restructuring costs...     4,057         --               --            1,321          --          2,736
                                  ---------   -----------      -------          ----------   --------   -------------
      Total restructuring
       reserves.................     5,849         --               --            2,095          --          3,754
                                  ---------   -----------      -------          ----------   --------   -------------
<FN>
--------------------------
(1)  Pooled  business -- net represents activity  of Star-Tek for the period for
     January 1,  1992 through  May 31,  1992  (see Note  3 to  the  Consolidated
     Financial Statements).
(2)  Accounts written off, net of recoveries.
(3)  Adjustments relating to purchased businesses.
(4)  Accrued restructuring costs reclassified to other restructuring reserves.
(5)  Reduction  in restructuring reserves  based on current  estimates of future
     costs.
</TABLE>

                                      S-1
<PAGE>
                                                                   SCHEDULE VIII

                           PRIMARY ACCESS CORPORATION
                 VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
      FOR THE FIFTY-TWO WEEKS ENDED OCTOBER 2, 1994, THE FIFTY-THREE WEEKS
     ENDED OCTOBER 3, 1993 AND THE FIFTY-TWO WEEKS ENDED SEPTEMBER 27, 1992

<TABLE>
<CAPTION>
                                                                BALANCE AT    CHARGED TO      OTHER
                                                                 BEGINNING    COSTS AND    (DEDUCTION)  BALANCE AT
DESCRIPTION                                                       OF YEAR      EXPENSES     ADDITIONS   END OF YEAR
--------------------------------------------------------------  -----------  ------------  -----------  -----------
<S>                                                             <C>          <C>           <C>          <C>
For the fifty-two weeks ended September 27, 1992
Applied against asset accounts:
Allowance for doubtful accounts...............................   $ 143,000    $    9,000      (14,000)   $ 138,000
                                                                -----------  ------------  -----------  -----------
                                                                -----------  ------------  -----------  -----------
For the fifty-three weeks ended October 3, 1993
Applied against asset accounts:
Allowance for doubtful accounts...............................   $ 138,000       104,000     (127,000)   $ 115,000
                                                                -----------  ------------  -----------  -----------
For the fifty-two weeks ended October 2, 1994
Applied against asset accounts:
Allowance for doubtful accounts...............................   $ 115,000            --      (24,000)   $  91,000
                                                                -----------  ------------  -----------  -----------
                                                                -----------  ------------  -----------  -----------
</TABLE>

                                      S-2
<PAGE>
                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
  EXHIBIT
  NUMBER                                                   DESCRIPTION
-----------  --------------------------------------------------------------------------------------------------------
<S>          <C>
       2.1   Agreement and Plan of Reorganization, dated March 21, 1995, by and among 3Com Corporation, Anuinui
             Acquisition Corporation and Primary Access Corporation.
       3.1   Amended and Restated Articles of Incorporation (Exhibit 19.1 to Form 10-Q) (8)
       3.2   Certificate of Amendment of the Amended and Restated Articles of Incorporation (Exhibit 3.2 to Form
             10-K) (19)
       3.3   Bylaws, as amended and restated (Exhibit 3.2 to Form 10-K) (10)
       4.1   Reference is made to Exhibit 3.1 (Exhibit 4.1 to Form 10-K) (19)
       5.1   Opinion of Gray Cary Ware & Freidenrich*
       8.1   Opinion of Gray Cary Ware & Freidenrich as to Tax Matters*
       8.2   Opinion of Brobeck, Phleger & Harrison as to Tax Matters*
      10.1   1983 Stock Option Plan, as amended (Exhibit 10.1 to Form 10-K) (10)
      10.2   Amended and Restated Incentive Stock Option Plan (4)
      10.3   License Agreement dated March 19, 1981 (1)
      10.4   First Amended and Restated 1984 Employee Stock Purchase Plan, as amended (Exhibit 19.1 to Form 10-Q)
             (11)
      10.5   License Agreement dated as of June 1, 1986 (Exhibit 10.16 to Form 10-K) (3)
      10.6   3Com Corporation Director Stock Option Plan, as amended (Exhibit 19.3 to Form 10-Q) (11)
      10.7   Bridge Communications, Inc. 1983 Stock Option Plan, as amended (Exhibit 4.7 to Form S-8) (2)
      10.8   3Com Headquarters Lease dated December 1, 1988, as amended (Exhibit 10.14 to Form 10-K) (10)
      10.9   Ground Lease dated July 5, 1989 (Exhibit 10.19 to Form 10-K) (5)
     10.10   Sublease Agreement dated February 9, 1989 (Exhibit 10.20 to Form 10-K) (5)
     10.11   Credit Agreement dated April 21, 1993 (Exhibit 10.11 to Form 10-K) (16)
     10.12   Asset Purchase Agreement dated as of January 24, 1992 (Exhibit 2.1 to Form 8-K) (12)
     10.13   3Com Corporation Restricted Stock Plan dated July 9, 1991 (Exhibit 19.2 to Form 10-Q) (11)
     10.14   Agreement and Plan of Merger dated December 16, 1992 (Exhibit 3 to Form 8-K) (13)
     10.15   Form of Escrow and Indemnification Agreement for Directors and Officers (Exhibit 10.15 to Form 10-Q)
             (18)
     10.16   Agreement and Plan of Reorganization dated December 16, 1993 among 3Com Corporation, 3Sub Corporation
             and Synernetics, Inc. (Exhibit 7.1 to Form 8-K) (14)
     10.17   Side Agreement Regarding Agreement and Plan of Reorganization dated January 14, 1993 among 3Com
             Corporation, 3Sub Corporation and Synernetics, Inc. (Exhibit 7.2 to Form 8-K) (14)
     10.18   Agreement and Plan of Reorganization dated January 18, 1994 (Exhibit 7.2 to Form 8-K) (15)
     10.19   Escrow and Indemnification and Escrow Agreement dated February 2, 1994 (Exhibit 7.3 to Form 8-K) (15)
     10.20   Amendment to Credit Agreement (Exhibit 10.20 to Form 10-Q) (17)
     10.21   Second Amendment to Credit Agreement (Exhibit 10.21 to Form 10-Q) (17)
     10.22   1994 Stock Option Plan (Exhibit 10.22 to Form 10-K) (19)
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
  EXHIBIT
  NUMBER                                                   DESCRIPTION
-----------  --------------------------------------------------------------------------------------------------------
<S>          <C>
     10.23   Lease Agreement between BNP Leasing Corporation, as Landlord, and 3Com Corporation, as Tenant, effective
             as of July 14, 1994 (Exhibit 10.23 to Form 10-Q) (20)
     10.24   Purchase Agreement between BNP Leasing Corporation and 3Com Corporation, dated July 14, 1994 (Exhibit
             10.24 to Form 10-Q) (20)
     10.25   Asset Purchase Agreement dated September 18, 1994 (Exhibit 7.1 to Form 8-K) (21)
     10.26   First Amendment to Asset Purchase Agreement dated October 17, 1994 (Exhibit 7.2 to Form 8-K) (21)
     10.27   Amended and Restated Rights Agreement dated December 21, 1994 (22)
      21.1   Subsidiaries of the Registrant
      23.1   Consent of Deloitte & Touche LLP (including Report on Schedule)
      23.2   Consent of KPMG Peat Marwick LLP (including Report on Schedule)
      23.3   Consent of Levine, Zeidman & Daitch, P.C.
      23.4   Consent of Gray Cary Ware & Freidenrich (included in Exhibits 5.1 and 8.1)*
      23.5   Consent of Brobeck, Phleger & Harrison (included in Exhibit 8.2)*
      24.1   Power of Attorney (included on page II-5 of this Registration Statement)
      99.1   Form of Consent of Shareholders of Primary Access Corporation
<FN>
------------------------

 *   To be filed by amendment

(1)  Incorporated  by reference to the corresponding Exhibit previously filed as
     an Exhibit to Registrant's Registration Statement on Form S-1 filed January
     25, 1984 (File No. 2-89045).

(2)  Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as  an Exhibit  to Registrants  Registration Statement on
     Form S-8 filed October 13, 1987 (File No. 33-17848)

(3)  Incorporated by  reference  to the  corresponding  Exhibit or  the  Exhibit
     identified  in parentheses  previously filed  as an  Exhibit to Registrants
     Form 10-K filed August 29, 1987 (File No. 0-12867)

(4)  Incorporated by  reference to  Exhibit  10.2 to  Registrant's  Registration
     Statement on Form S-4 filed on August 31, 1987 (File No. 33-16850)

(5)  Incorporated  by  reference to  the  corresponding Exhibit  or  the Exhibit
     identified in parentheses  previously filed  as an  Exhibit to  Registrants
     Form 10-K filed on August 28, 1989 (File No. 0-12867)

(6)  Incorporated by reference to Exhibit 19.1 to Registrants Form 10-Q on April
     14, 1990 (File No. 0-12867)

(7)  Incorporated  by  reference to  the  corresponding Exhibit  or  the Exhibit
     identified in parentheses  previously filed  as an  Exhibit to  Registrants
     Form 10-K filed on August 28, 1990 (File No. 0-12867)

(8)  Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-Q filed on January 2,
     1991 (File No. 0-12867)

(9)  Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to Registrants Form 10-Q filed on April 15,
     1991 (File No. 0-12867)

(10) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 27,
     1991 (File No. 0-12867)

(11) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to  Registrants Form 10-Q filed January  10,
     1992 (File No. 0-12867)

(12) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an  Exhibit to Registrants Form  8-K filed on  February
     18, 1992 (File No. 0-12867)
</TABLE>
<PAGE>
<TABLE>
<S>  <C>
(13) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an  Exhibit to Registrants Form  8-K filed on  February
     12, 1993 (File No. 9-12867)

(14) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 8-K filed on January 31,
     1994 (File No. 0-12867)

(15) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an  Exhibit to Registrants Form  8-K filed on February
     11, 1994 (File No. 0-12867)

(16) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 27,
     1993 (File No. 0-12867)

(17) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-Q filed on April  13,
     1994 (File No. 0-12867)

(18) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an  Exhibit to Registrants Form  10-Q filed on  January
     14, 1994 (File No. 0-12867)

(19) Incorporated   by  reference  to  the  Exhibit  identified  in  parentheses
     previously filed as an Exhibit to Registrants Form 10-K filed on August 31,
     1994 (File No. 0-12867)

(20) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to  Registrant's Form 10-Q filed on October
     16, 1994 (File No. 0-12867)

(21) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to  Registrant's Form 8-K filed on November
     1, 1994 (File No. 0-12867)

(22) Incorporated  by  reference  to  the  Exhibit  identified  in   parentheses
     previously  filed as an Exhibit to  Registrant's Form 10-Q filed on January
     13, 1995 (File No. 0-12867)
</TABLE>

<PAGE>
                                                                    EXHIBIT 21.1

                         3COM CORPORATION SUBSIDIARIES

3Com Asia Limited (Hong Kong)

3Com Benelux B.V. (The Netherlands)

3Com Canada Inc. (Canada)

3Com Credit Corporation (California, U.S.A.)

3Com do Brasil Servicos Ltda. (Brazil)

3Com de Chile S.A. (Chile)

3Com de Mexico, S.A. de C.V. (Mexico)

3Com Development Corporation (California, U.S.A.)

3Com Engineering Limited (United Kingdom)

3Com Europe Limited (United Kingdom)

3Com GmbH (Germany)

3Com Holdings Limited (Cayman Islands)

3Com International, Inc. (Delaware, U.S.A.)

3Com Ireland (Cayman Islands)

3Com Ireland Technologies Limited (Ireland)

3Com Israel Limited (Israel)

3Com Limited (United Kingdom)

3Com Japan K.K. (Japan)

3Com Korea Limited (Korea)

3Com Mediteraneo S.r.l. (Italy)

3Com Nordic AB (Sweden)

3Com S.A. (France)

3Com Technologies Limited (Cayman Islands)

3Com U.K. Holdings Limited (United Kingdom)

3Com (U.K.) Limited (United Kingdom)

3Com World Trade, Inc. (U.S. Virgin Islands)

AccessWorks Communications

Synernetics, Inc. (Delaware, U.S.A.)

<PAGE>
                                                                    EXHIBIT 23.1

                        CONSENT OF DELOITTE & TOUCHE LLP

To the Board of Directors and Shareholders of
3Com Corporation

    We  consent to the use in this Registration Statement of 3Com Corporation on
Form S-4 of our report dated June 15, 1994, appearing in the  Prospectus/Consent
Solicitation  Statement which is  a part of this  Registration Statement, and to
the references  to us  under the  heading "Experts"  in such  Prospectus/Consent
Solicitation Statement.

    Our  audits  of the  consolidated financial  statements  referred to  in our
aforementioned report also  included the  financial statement  schedule of  3Com
Corporation,  listed  in  Item  21. This  financial  statement  schedule  is the
responsibility of the Company's management. Our responsibility is to express  an
opinion  based on our audits. In our opinion, such financial statement schedule,
when considered in relation to the basic consolidated financial statements taken
as a whole, presents fairly in  all material respects the information set  forth
therein.

DELOITTE & TOUCHE LLP

San Jose, California
March 22, 1995

<PAGE>
                                                                    EXHIBIT 23.2

                        CONSENT OF KPMG PEAT MARWICK LLP

The Board of Directors
Primary Access Corporation:

    The  audits referred to in  our report dated November  4, 1994, included the
related financial statement schedule as of October 2, 1994 and October 3,  1993,
and  for the fifty-two weeks ended October  2, 1994, the fifty-three weeks ended
October 3, 1993, and the fifty-two  weeks ended September 27, 1992, included  in
the   registration  statement.   This  financial   statement  schedule   is  the
responsibility of the Company's management. Our responsibility is to express  an
opinion  on  this  financial statement  schedule  based  on our  audits.  In our
opinion, such financial statement schedule,  when considered in relation to  the
basic  financial statements  taken as a  whole, presents fairly  in all material
respects the information set forth therein.

    We consent to the use of our reports included herein and to the reference to
our firm under the heading "Experts" in the prospectus.

                                          /s/ KPMG Peat Marwick LLP

San Diego, California
March 23, 1995

<PAGE>
                                                                    EXHIBIT 23.3

                   CONSENT OF LEVINE, ZEIDMAN & DAITCH, P.C.

    We  consent  to  the  inclusion  in  this  Registration  Statement  of  3Com
Corporation on Form S-4 of  our report dated February  24, 1992 relating to  the
financial  statements of  Star-Tek, Inc.  for the  year ended  December 31, 1991
appearing in the Annual  Report on Form  10-K of 3Com  Corporation for the  year
ended May 31, 1994 and to the reference to us under the heading "Experts" in the
Prospectus, which is part of this Registration Statement.

LEVINE, ZEIDMAN & DAITCH, P.C.

Wellesley Hills, Massachusetts
March 22, 1995

<PAGE>
                                                                    EXHIBIT 99.1

                           PRIMARY ACCESS CORPORATION
                    CONSENT OF SHAREHOLDERS TO AUTHORIZATION
              AND APPROVAL OF AGREEMENT AND PLAN OF REORGANIZATION
                        AND RELATED AGREEMENT OF MERGER

    The  undersigned  shareholder of  Primary  Access Corporation,  a California
corporation ("Primary Access"),  with respect  to all  of the  shares of  common
stock, no par value ("Primary Access Common Stock"), and preferred stock, no par
value  ("Primary  Access  Preferred  Stock"), of  Primary  Access  of  which the
undersigned was the record  holder at the close  of business on April    ,  1995
(the  "Record  Date"), hereby  authorizes and  approves,  by consent  in writing
without a meeting, pursuant to Section 603 of the California General Corporation
Law, as amended (the "CGCL"), the following:

        (i) the Agreement and Plan of  Reorganization dated March 21, 1995  (the
    "Reorganization  Agreement")  among  Primary  Access,  3Com  Corporation,  a
    California corporation  ("3Com"),  and Anuinui  Acquisition  Corporation,  a
    California  corporation  and  a  wholly-owned  subsidiary  of  3Com ("Sub"),
    pursuant to  which Sub  will be  merged with  and into  Primary Access  (the
    "Merger"), resulting in Primary Access becoming a wholly-owned subsidiary of
    3Com; and

        (ii)  the related  Agreement of Merger  to be filed  with the California
    Secretary of State in order to effect the Merger; and

        (iii) the establishment of an escrow  fund pursuant to which claims  for
    indemnification  may be  made by 3Com  following consummation  of the Merger
    (the "Escrow Fund"),

all as more fully described in the accompanying Prospectus/Consent  Solicitation
Statement  dated March     , 1995 (the  "Statement"). Approval  of the foregoing
matters shall constitute approval  of all of the  matters related to the  Merger
described herein and in the Statement.

    In addition, the undersigned hereby:

        (i) consents to the establishment of the Escrow Fund and indemnification
    of  3Com and  Primary Access  (as the  surviving corporation  in the Merger)
    provided  for  in   Section  13   of  the   Reorganization  Agreement   (the
    "Indemnification Provisions"); and

        (ii)  designates, constitutes and appoints  Tench Coxe, Kathryn C. Gould
    and William R. Stensrud to be the undersigned's agents and attorneys-in-fact
    to act  as  the  shareholders' agents  ("Shareholders'  Agents")  under  the
    Indemnification  Provisions,  with  all the  rights,  powers,  authority and
    duties of the Shareholders' Agents as described therein; and

        (iii) agrees  that the  Shareholders' Agents,  their affiliates  or  any
    successors  thereto will  not be liable  to the undersigned  for any actions
    taken by them in their capacities as Shareholders' Agents in the absence  of
    gross negligence or willful misconduct; and

        (iv)  agrees that the  Shareholders' Agents will be  entitled to use the
    undersigned's shares of  common stock of  3Com, no par  value ("3Com  Common
    Stock"),  held in the Escrow Fund to satisfy the undersigned's obligation to
    pay the undersigned's  pro rata  share of, and  indemnify the  Shareholders'
    Agents  and hold the Shareholders' Agents harmless for the undersigned's pro
    rata share against all losses, liabilities and expenses of the Shareholders'
    Agents; and

        (v) agrees to be bound by and approves the Indemnification Provisions as
    if the undersigned were a party to the Reorganization Agreement and  further
    agrees  that the Shareholders'  Agents may separately  rely upon and enforce
    against  the   undersigned  the   provisions  of   this  Consent   and   the
    Indemnification Provisions.

    The  undersigned  acknowledges  and agrees  that  the  undersigned's maximum
liability  for  any  matter  pursuant  to  the  Indemnification  Provisions  and
otherwise in connection with the Merger is limited to the undersigned's pro rata
share  of  any liability  pursuant to  the Indemnification  Provisions, up  to a
maximum of the value of (a) 10% of the shares of 3Com Common Stock issued to the
undersigned in the Merger in exchange for shares of Primary Access Common  Stock
and Primary Access Preferred Stock held by the undersigned on the effective date
of the Merger (the "Effective
<PAGE>
Date"), and (b) 10% of the shares of 3Com Common Stock issued to the undersigned
upon  each exercise during  the period between  the Effective Date  and one year
after the Effective Date of any options held by the undersigned and  outstanding
on the Effective Date which are assumed by 3Com pursuant to the Merger.

    By   execution  hereof,   the  undersigned   acknowledges  receipt   of  the
accompanying 3Com  Corporation  Prospectus/Primary  Access  Corporation  Consent
Solicitation  Statement dated March   , 1995 and acknowledges and agrees that as
a result of signing  this Consent, the undersigned  hereby waives and loses  any
right   to  dissent  from  the  proposed  Merger  and  obtain  payment  for  the
undersigned's shares of Primary Access Common Stock or Primary Access  Preferred
Stock pursuant to Chapter 13 of the CGCL.

    Effective  upon  the consummation  of  the Merger  and  as a  result  of the
execution of this Consent,  the undersigned hereby waives  any rights or  claims
(known  or unknown) the undersigned may have against Primary Access, 3Com or any
of their respective officers,  directors, shareholders, affiliates,  successors,
or  assigns, as a  result of the  acquisition or ownership  of shares of Primary
Access Common Stock, Primary Access Preferred Stock, or any options or  warrants
to purchase Primary Access Common Stock, except for such rights or claims as are
expressly set forth in the Reorganization Agreement.

    This  Consent is one of several consents, identical in form to this Consent,
that are being signed by the holders of record on the Record Date of issued  and
outstanding  shares of Primary Access Common  Stock and Primary Access Preferred
Stock, all of which Consents taken together are intended to constitute action by
the shareholders  of Primary  Access by  consent in  writing without  a  meeting
pursuant to Section 603 of the CGCL.

                  Signature of Shareholder:
                  --------------------------------------------------------

                  Print name of Shareholder:
                  --------------------------------------------------------

                  Shares beneficially owned:

                       ----------------------------------------------- shares of
                       Common Stock

                       ----------------------------------------------- shares of
                       Series A Preferred Stock

                       ----------------------------------------------- shares of
                       Series C Preferred Stock

                       ----------------------------------------------- shares of
                       Series E Preferred Stock

                  DATE:
                  ------------------------------------------, 1995


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