CISCO SYSTEMS INC
S-3/A, 2000-02-10
COMPUTER COMMUNICATIONS EQUIPMENT
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<PAGE>   1

     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON FEBRUARY 10, 2000



                                                      REGISTRATION NO. 333-94365

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

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

                             PREEFFECTIVE AMENDMENT
                                    NO. 1 TO
                                    FORM S-3

                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

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

                               CISCO SYSTEMS, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

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

             CALIFORNIA                                     77-0059951
   (STATE OR OTHER JURISDICTION OF                       (I.R.S. EMPLOYER
   INCORPORATION OR ORGANIZATION)                     IDENTIFICATION NUMBER)

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

                              170 WEST TASMAN DRIVE
                           SAN JOSE, CALIFORNIA 95134
                                 (408) 526-4000
    (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                  OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)

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

                                JOHN T. CHAMBERS
                      PRESIDENT AND CHIEF EXECUTIVE OFFICER
                               CISCO SYSTEMS, INC.
                              255 WEST TASMAN DRIVE
                           SAN JOSE, CALIFORNIA 95134
                                 (408) 526-4000
          (NAME AND ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER,
                   INCLUDING AREA CODE, OF AGENT FOR SERVICE)

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

                                    Copy to:
                             THERESE A. MROZEK, ESQ.
                         BROBECK, PHLEGER & HARRISON LLP
                              TWO EMBARCADERO PLACE
                                 2200 GENG ROAD
                           PALO ALTO, CALIFORNIA 94303
                                 (650) 424-0160

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

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
     From time to time after this registration statement becomes effective.

        If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. [ ]

        If any of the securities being registered on this Form are to be offered
on a delayed or continuous basis pursuant to Rule 415 under the Securities Act
of 1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [X]

        If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [ ]

        If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [ ]

        If delivery of the prospectus is expected to be made pursuant to Rule
434, please check the following box. [ ]

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


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 THAT SPECIFICALLY STATES THAT THIS REGISTRATION STATEMENT
SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF THE
SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THE REGISTRATION STATEMENT SHALL
BECOME EFFECTIVE ON SUCH DATE AS THE SEC, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
================================================================================



<PAGE>   2

THE INFORMATION CONTAINED IN THIS PRELIMINARY PROSPECTUS IS NOT COMPLETE AND MAY
BE CHANGED. THESE SECURITIES MAY NOT BE SOLD UNTIL THE REGISTRATION STATEMENT
FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS
IS NOT AN OFFER TO SELL NOR DOES IT SEEK AN OFFER TO BUY THESE SECURITIES IN ANY
JURISDICTION WHERE THE OFFER OR SALE IS NOT PERMITTED.


                 SUBJECT TO COMPLETION, DATED FEBRUARY 10, 2000


PRELIMINARY PROSPECTUS


                                20,000,000 SHARES


                               CISCO SYSTEMS, INC.
                                  COMMON STOCK



        This prospectus relates to the public offering, it may be underwritten,
of up to 20,000,000 shares of our Common Stock which will be issued in
connection with the closing of the Share Purchase Agreement dated as of December
20, 1999, by and among us, one of our subsidiaries, Pirelli S.p.A. and two of
its subsidiaries (the "Transaction"). One of the Pirelli subsidiaries, Pirelli
Cable Holding, N.V., will be the recipient of the shares. For purposes of this
prospectus, we refer to them as the selling shareholder.



        The prices at which such selling shareholder may sell the shares will
be determined by the prevailing market price for the shares or in negotiated or
underwritten transactions. We will not receive any of the proceeds from the sale
of the shares.



        Our Common Stock is quoted on the Nasdaq National Market under the
symbol "CSCO." On February 7, 2000, the average of the high and low price for
the Common Stock was $123.97.



        Investing in our Common Stock involves risks. See the sections entitled
"Risk Factors" in the documents we file with the Securities and Exchange
Commission that are incorporated by reference in this prospectus for certain
risks and uncertainties that you should consider. These include the risks
identified on pages 6 through 12 of our most recently filed Form 10-K/A, on
pages 9 through 17 of our 8-K/A filed on February 3, 2000 and on pages 21
through 36 of our most recently filed Form 10-Q/A. Future reports that we file
with the Securities and Exchange Commission may contain additional risk factors
or modifications to existing risk factors. You should also consider these risks
and uncertainties.


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

        Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved of these securities or passed upon the
adequacy or accuracy of this prospectus. Any representation to the contrary is a
criminal offense.

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


================================================================================


                 The date of this Prospectus is February  , 2000.




                                       2
<PAGE>   3

        No person has been authorized to give any information or to make any
representations other than those contained in this prospectus in connection with
the offering made hereby, and if given or made, such information or
representations must not be relied upon as having been authorized by Cisco
Systems, Inc. (referred to in this prospectus as "we", "Cisco" or the
"Registrant"), any selling shareholder or by any other person. Neither the
delivery of this prospectus nor any sale made hereunder shall, under any
circumstances, create any implication that information herein is correct as of
any time subsequent to the date hereof. This prospectus does not constitute an
offer to sell or a solicitation of an offer to buy any security other than the
securities covered by this prospectus, nor does it constitute an offer to or
solicitation of any person in any jurisdiction in which such offer or
solicitation may not lawfully be made.

                       WHERE YOU CAN FIND MORE INFORMATION

        We file annual, quarterly and special reports, proxy statements and
other information with the SEC. You may read and copy any document we file at
the SEC's Public Reference Room at 450 Fifth Street, N.W., Washington, D.C.
20549. Please call the SEC at 1-800-SEC-0330 for further information on the
operation of the Public Reference Room. Our SEC filings are also available to
the public from our web site at http://www.cisco.com or at the SEC's web site at
http://www.sec.gov.

        The SEC allows us to "incorporate by reference" the information we file
with them, which means that we can disclose important information to you by
referring you to those documents. The information incorporated by reference is
considered to be part of this prospectus, and later information filed with the
SEC will update and supersede this information. We incorporate by reference the
documents listed below and any future filings made with the SEC under Section
13a, 13(c), 14, or 15(d) of the Securities Exchange Act of 1934 until our
offering is completed.


                (a) Cisco's Annual Report on Form 10-K for the fiscal year ended
        July 31, 1999, filed September 28, 1999, as amended by the Annual Report
        on Form 10-K/A filed on February 3, 2000, including certain information
        in Cisco's Definitive Proxy Statement in connection with Cisco's 1999
        Annual Meeting of Shareholders and certain information in Cisco's Annual
        Report to Shareholders for the fiscal year ended July 31, 1999;

                (b) Cisco's Quarterly Report on Form 10-Q for the quarter ended
        October 30, 1999 as amended by the Quarterly Report on Form 10-Q/A
        filed on February 3, 2000;

                (c) Cisco's Current Report on Form 8-K filed December 22, 1999;


                (d) Cisco's Current Report on Form 8-K filed December 15 ,
        1999, as amended by the Current Report on Form 8-K/A filed on February
        3, 2000;

                (e) Cisco's Current Report on Form 8-K filed November 17, 1999;


                (f) The description of Cisco Common Stock contained in its
        registration statement on Form 8-A filed January 8, 1990, including any
        amendments or reports filed for the purpose of updating such
        descriptions; and


                (g) The description of Cisco's Preferred Stock Purchase Rights,
        contained in its registration statement on Form 8-A filed on June 11,
        1998, including any amendments or reports filed for the purpose of
        updating such description.

        You may request a copy of these filings, at no cost, by writing or
telephoning us at the following address:

                Larry R. Carter
                Senior Vice President, Chief Financial Officer and Secretary
                Cisco Systems, Inc.
                255 West Tasman Drive
                San Jose, CA 95134
                408-526-4000

        You should rely only on the information incorporated by reference or
provided in this prospectus or the prospectus supplement. We have authorized no
one to provide you with different information. We are not making an offer of
these securities in any state where the offer is not permitted. You should not
assume that the information


                                       3
<PAGE>   4

in this prospectus or any prospectus supplement is accurate as of any date other
than the date on the front of the document.

                                   THE COMPANY

        Cisco's principal executive offices are located at 255 West Tasman
Drive, San Jose, California 95134. Cisco's telephone number is (408) 526-4000.

                              PLAN OF DISTRIBUTION


        Cisco is registering all 20,000,000 shares on behalf of the selling
shareholder. The shares will be issued by us at the closing of the Transaction.
Cisco will receive no proceeds from this offering. The selling shareholder
named in the table below or pledgees, donees, transferees or other
successors-in-interest selling shares received from a named selling shareholder
as a gift, partnership distribution or other non-sale-related transfer after the
date of this prospectus (collectively, the "Selling Shareholder") may sell the
shares from time to time. The Selling Shareholder will act independently of
Cisco in making decisions with respect to the timing, manner and size of each
sale. The sales may be made on one or more exchanges or in the over-the-counter
market or otherwise, at prices and at terms then prevailing or at prices related
to the then current market price, or in negotiated transactions. The Selling
Shareholder may effect such transactions by selling the shares to or through
broker-dealers. The shares may be sold by one or more of, or a combination of,
the following:


        o  a block trade in which the broker-dealer so engaged will attempt to
           sell the shares as agent but may position and resell a portion of the
           block as principal to facilitate the transaction,

        o  purchases by a broker-dealer as principal and resale by such
           broker-dealer for its account pursuant to this prospectus,

        o  in underwritten offering through a broker-dealer,

        o  an exchange distribution in accordance with the rules of such
           exchange,

        o  ordinary brokerage transactions and transactions in which the broker
           solicits purchasers, and

        o  in privately negotiated transactions.


        To the extent required, this prospectus may be amended or supplemented
from time to time to describe a specific plan of distribution. In effecting
sales, broker-dealers engaged by the Selling Shareholder may arrange for other
broker-dealers to participate in the resales.



        The Selling Shareholder may enter into hedging transactions with
broker-dealers in connection with distributions of the shares or otherwise. In
such transactions, broker-dealers may engage in short sales of the shares in the
course of hedging the positions they assume with Selling Shareholder. The
Selling Shareholder also may sell shares short and redeliver the shares to
close out such short positions. The Selling Shareholder may enter into option
or other transactions with broker-dealers which require the delivery to the
broker-dealer of the shares. The broker-dealer may then resell or otherwise
transfer such shares pursuant to this prospectus. The Selling Shareholder also
may loan or pledge the shares to a broker-dealer. The broker-dealer may sell the
shares so loaned, or upon a default the broker-dealer may sell the pledged
shares pursuant to this prospectus.



        Broker-dealers or agents may receive compensation in the form of
commissions, discounts or concessions from Selling Shareholder. Broker-dealers
or agents may also receive compensation from the purchasers of the shares for
whom they act as agents or to whom they sell as principals, or both.
Compensation as to a particular broker-dealer might be in excess of customary
commissions and will be in amounts to be negotiated in connection with the sale.
Broker-dealers or agents and any other participating broker-dealers or the
Selling Shareholder may be deemed to be "underwriters" within the meaning of
Section 2(11) of the Securities Act in connection with sales of the shares.
Accordingly, any such commission, discount or concession received by them and
any profit on the resale of the shares purchased by them may be deemed to be
underwriting discounts or commissions under the Securities Act. Because the
Selling Shareholder may be deemed to be an "underwriter" within the meaning of
Section 2(11) of the Securities Act, the Selling Shareholder will be subject to
the prospectus delivery requirements of the Securities Act. In addition, any
securities covered by this prospectus which qualify for sale pursuant to Rule
144 promulgated under the Securities Act may be sold under Rule 144 rather than
pursuant to this prospectus. The



                                       4
<PAGE>   5

The Selling Shareholder have advised Cisco that as of the date here of they have
not entered into any agreements, understandings or arrangements with any
underwriters or broker-dealers regarding the sale of their securities.


        The shares will be sold only through registered or licensed brokers or
dealers if required under applicable state securities laws. In addition, in
certain states the shares may not be sold unless they have been registered or
qualified for sale in the applicable state or an exemption from the registration
or qualification requirement is available and is complied with.


        Under applicable rules and regulations under the Exchange Act, any
person engaged in the distribution of the shares may not simultaneously engage
in market making activities with respect to our common stock for a period of two
business days prior to the commencement of such distribution. In addition, each
Selling Shareholder will be subject to applicable provisions of the Exchange Act
and the associated rules and regulations under the Exchange Act, including
Regulation M, which provisions may limit the timing of purchases and sales of
shares of our common stock by the Selling Shareholder. Cisco will make copies
of this prospectus available to the Selling Shareholder and has informed it
of the need for delivery of copies of this prospectus to purchasers at or prior
to the time of any sale of the shares.


        Cisco will file a supplement to this prospectus, if required, pursuant
to Rule 424(b) under the Securities Act upon being notified by a Selling
Shareholder that any material arrangement has been entered into with a
broker-dealer for the sale of shares through a block trade, special or
underwritten offering, exchange distribution or secondary distribution or a
purchase by a broker or dealer. Such supplement will disclose:

        o  the name of each such Selling Shareholder and of the participating
           broker-dealer(s),

        o  the number of shares involved,

        o  the price at which such shares were sold,

        o  the commissions paid or discounts or concessions allowed to such
           broker-dealer(s), where applicable,

        o  that such broker-dealer(s) did not conduct any investigation to
           verify the information set out or incorporated by reference in this
           prospectus, and

        o  other facts material to the transaction.

        In addition, upon being notified by a Selling Shareholder that a donee
or pledgee intends to sell more than 500 shares, Cisco will file a supplement to
this prospectus.


        Cisco will bear all costs, expenses and fees in connection with the
registration of the shares. Cisco will also bear up to $20 million of any
hedging fees or commissions and discounts, if any, attributable to the sales of
the shares. The Selling Shareholder may agree to indemnify any broker-dealer or
agent that participates in transactions involving sales of the shares against
certain liabilities, including liabilities in connection with the offering of
the shares arising under the Securities Act.


                                       5
<PAGE>   6


                              SELLING SHAREHOLDERS

        The following table sets forth the maximum number of shares that will be
owned by the Selling Shareholder upon the closing of the Transaction. The
Selling Shareholder has not had a material relationship with Cisco within the
past three years other than as a result of the ownership of the shares or other
securities of Cisco. No estimate can be given as to the amount of shares that
will be held by the Selling Shareholder after completion of this offering
because the Selling Shareholder may offer all or some of the shares and because
there currently are no agreements, arrangements or understandings with respect
to the sale of any of the shares. The shares offered by this prospectus may be
offered from time to time by the Selling Shareholder named below.



<TABLE>
<CAPTION>
                                 Number of Shares   Number of Shares
                                   Beneficially      Registered for
Name of Selling Shareholder(1)       Owned(2)        Sale Hereby(3)
- ------------------------------   ----------------   ----------------
<S>                              <C>                <C>
Pirelli Cable Holding N.V.       20,000,000         20,000,000
</TABLE>


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

(1) Pirelli Cable Holding N.V. is a wholly owned subsidiary of Pirelli S.p.A.
Pirelli S.p.A. is a publicly-owned company listed on the Milan Stock Exchange.
Pirelli & Co. owns 30.5% of Pirelli S.p.A. and is its largest shareholder.
Pirelli & Co. is a publicly-owned company listed on the Milan Stock Exchange.
Camfin owns 24% of Pirelli & Co. and is its largest shareholder. Camfin is a
publicly-owned company listed on the Milan Stock Exchange. A private company
called GPI controls 53% of Camfin and Marco Tronchetti Provera controls 53% of
the equity of GPI. The Chairman of Pirelli S.p.A., Marco Tronchetti Provera, is
also the Chairman of Pirelli & Co. and Camfin.

(2) This represents the maximum number of shares to be issued at the closing of
the Transaction. The exact number of shares will be determined at the close of
the trading day on the Nasdaq Stock Market immediately preceding the closing
date of the Transaction. The aggregate number represents less than once percent
of the Common Stock of Cisco.

(3) This registration statement also shall cover any additional shares of common
stock which become issuable in connection with the shares registered for sale
hereby by reason of any stock divided, stock split, recapitalization or other
similar transaction effected without the receipt of consideration which results
in an increase in the number of Cisco's outstanding shares of common stock.



                                       6
<PAGE>   7

                                  LEGAL MATTERS

        The validity of the securities offered hereby will be passed upon for
Cisco by Brobeck, Phleger & Harrison LLP, Palo Alto, California.

                                     EXPERTS


        The consolidated financial statements of Cisco Systems, Inc.
incorporated in this prospectus by reference to the Annual Report on Form 10-K/A
for the year ended July 31, 1999 and supplementary consolidated financial
statements as of July 31, 1999 and July 25, 1998 and for each of the three years
in the period ended July 31, 1999 incorporated in this prospectus by reference
to the Current Report on Form 8-K/A filed February 3, 2000, have been so
incorporated in reliance on the reports of PricewaterhouseCoopers LLP,
independent accountants, given on the authority of said firm as experts in
accounting and auditing.



        PricewaterhouseCoopers LLP ("PWC"), Cisco's independent accountants,
has notified Cisco that PWC is engaged in discussions with the Securities and
Exchange Commission following an internal review by PWC, pursuant to an
administrative settlement with the Securities and Exchange Commission, of PWC's
compliance with auditor independence guidelines. PWC has advised Cisco that
Cisco is one of the companies affected by such discussions. Cisco is not
involved in the discussions between the Securities and Exchange Commission and
PWC and cannot predict the result of those discussions.




                                       7
<PAGE>   8

================================================================================
We have not authorized any person to make a statement that differs from what is
in this prospectus. If any person does make a statement that differs from what
is in this prospectus, you should not rely on it. This prospectus is not an
offer to sell, nor is it seeking an offer to buy, these securities in any state
in which the offer or sale is not permitted. The information in this prospectus
is complete and accurate as of its date, but the information may change after
that date.


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



                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                          <C>

Where You Can Find More Information............................................3
The Company....................................................................4
Plan of Distribution...........................................................4
Selling Shareholders...........................................................6
Legal Matters..................................................................7
Experts........................................................................7

</TABLE>

                               CISCO SYSTEMS, INC.


                                20,000,000 SHARES
                                 OF COMMON STOCK


                                   ----------
                                   PROSPECTUS
                                   ----------


                                FEBRUARY  , 2000




================================================================================


<PAGE>   9

                                     PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

        The following table sets forth the costs and expenses, other than
underwriting discounts and commissions, payable by Cisco in connection with the
sale of common stock being registered. All amounts are estimates except the SEC
registration fee. Cisco has also agreed to reimburse the Selling Shareholders
for up to $20 million of hedging fees or commissions and discounts incurred in
connection with the sale of the Shares.

<TABLE>
<CAPTION>
                 <S>                                  <C>
                 SEC Registration Fee                 $532,646.40
                 Legal Fees And Expenses                15,000
                 Accounting Fees And Expenses            5,000
                 Printing Fees                           5,000
                 Transfer Agent Fees                     5,000
                 Miscellaneous                          11,000
                                                     ------------
                     Total                            $573,646.40
</TABLE>

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS

        Section 317 of the California Corporations Code authorizes a court to
award, or a corporation's Board of Directors to grant, indemnity to directors
and officers in terms sufficiently broad to permit indemnification, including
reimbursement of expenses incurred, under certain circumstances for liabilities
arising under the Securities Act. Cisco's Restated Articles of Incorporation, as
amended, and Amended Bylaws provide for indemnification of its directors,
officers, employees and other agents to the maximum extent permitted by the
California Corporations Code. In addition, Cisco has entered into
indemnification agreements with each of its directors and officers.

ITEM 16. EXHIBITS


2.1     Share Purchase Agreement dated as of December 20, 1999 between
        Registrant, one of its affiliates, Pirelli S.p.A. and two of its
        affiliates
5.1     Opinion of Brobeck, Phleger & Harrison LLP*
23.1    Consent of PricewaterhouseCoopers LLP
23.2    Consent of Brobeck, Phleger & Harrison LLP (included in the Opinion of
        Brobeck, Phleger & Harrison LLP previously filed as Exhibit 5.1 hereto)
24.1    Power of Attorney*
- ------------
*Previously filed


ITEM 17. UNDERTAKINGS

The undersigned registrant hereby undertakes:

        (1) To file, during any period in which offers or sales are being made,
a post-effective amendment to this registration statement: (i) to include any
prospectus required by Section 10(a)(3) of the Securities Act; (ii) to reflect
in the prospectus any facts or events arising after the effective date of the
registration statement, or the most recent post-effective amendment thereof,
which, individually or in the aggregate, represent a fundamental change in the
information set forth in the registration statement; and (iii) to include any
material information with respect to the plan of distribution not previously
disclosed in the Registration Statement or any material change to such
information in the registration statement.

        (2) That, for the purpose 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) To remove from registration by means of a post-effective amendment
any of the securities being registered which remain unsold at the termination of
the offering.



                                      II-1
<PAGE>   10

        Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions or otherwise, the registrant has
been advised that in the opinion of the SEC such indemnification is against
public policy as expressed in the Securities Act and therefore is unenforceable.
In the event that a claim for indemnification against such liabilities, other
than the payment by the registrant of expenses incurred or paid by a director,
officer or controlling person of the 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, the 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.

        The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Exchange Act, and, where applicable, each filing of an employee benefit plan's
annual report pursuant to Section 15(d) of the Exchange Act, that is
incorporated by reference in the registration statement 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.


                                      II-2
<PAGE>   11

                                   SIGNATURES


        Pursuant to the requirements of the Securities Act of 1933 the
registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this amendment
to be signed on its behalf by the undersigned, thereunto duly authorized in the
City of Santa Clara, State of California, on this 9th day of February, 2000.


                                          CISCO SYSTEMS, INC.

                                          By  /s/  LARRY R. CARTER
                                              ----------------------------------
                                              Larry R. Carter,
                                              Senior Vice President,
                                              Chief Financial Officer
                                              and Secretary






        Pursuant to the requirements of the Securities Act of 1933, as amended,
this amendment to registration statement has been signed below by the following
persons on behalf of Cisco and in the capacities and on the dates indicated:



<TABLE>
<CAPTION>
SIGNATURES                                 TITLE                        DATE
- ----------                                 -----                        ----
<S>                          <C>                                   <C>
          *                  President, Chief Executive            February 9, 2000
- ------------------------     Officer and Director
John T. Chambers             (Principal Executive Officer)

/s/ LARRY R. CARTER          Senior Vice President, Finance        February 9, 2000
- ------------------------     and Administration, Chief
Larry R. Carter              Financial Officer and Secretary
                             (Principal Financial and
                             Accounting Officer)

          *                  Chairman of the Board and Director    February 9, 2000
- ------------------------
John P. Morgridge

          *                  Vice Chairman and Director            February 9, 2000
- ------------------------
Donald T. Valentine
</TABLE>



                                      II-3
<PAGE>   12


<TABLE>
<CAPTION>
SIGNATURES                   TITLE                                      DATE
- ----------                   -----                                      ----
<S>                          <C>                                   <C>
           *                 Director                              February 9, 2000
- ------------------------
James F. Gibbons

           *                 Director                              February 9, 2000
- ------------------------
Steven M. West

           *                 Director                              February 9, 2000
- ------------------------
Edward R. Kozel

           *                 Director                              February 9, 2000
- ------------------------
Carol A. Bartz

           *                 Director                              February 9, 2000
- ------------------------
James C. Morgan

           *                 Director                              February 9, 2000
- ------------------------
Mary Cirillo

           *                 Director                              February 9, 2000
- ------------------------
Arun Sarin


*By: /s/ LARRY R. CARTER
     ------------------------
     Larry R. Carter
     Attorney-in-fact
</TABLE>


                                      II-4
<PAGE>   13

                                INDEX TO EXHIBITS

<TABLE>
<CAPTION>

Exhibit
Number                            Exhibit Title
- -------                           -------------
<S>     <C>
 2.1    Share Purchase Agreement dated as of December 20, 1999 by and among
        Registrant, one of Registrant's affiliates, Pirelli S.p.A and two of
        Pirelli's affiliates
 5.1    Opinion of Brobeck, Phleger & Harrison LLP*
 23.1   Consent of PricewaterhouseCoopers LLP
 23.2   Consent of Brobeck, Phleger & Harrison LLP (included in the Opinion
        of BPH previously filed as Exhibit 5.1)
 24.1   Power of Attorney*
</TABLE>



- -------------
* Previously filed


                                      II-5

<PAGE>   1
                                                                     EXHIBIT 2.1


                                                                [EXECUTION COPY]


                            SHARE PURCHASE AGREEMENT

                                  BY AND AMONG

                               CISCO SYSTEMS, INC.

                         CISCO SYSTEMS MANAGEMENT B.V.,

                 PIRELLI S.p.A., PIRELLI CAVI e SISTEMI SpA, AND

                           PIRELLI CABLE HOLDING N.V.

                                December 20, 1999

<PAGE>   2
                                TABLE OF CONTENTS

<TABLE>
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                                                                            Page
                                                                            ----
<S>                                                                         <C>
ARTICLE I     PURCHASE AND SALE OF SHARES....................................2

        1.1   Purchase and Sale of POS Holland Shares........................2
        1.2   Purchase and Sale of POS Italy Shares or Intellectual
              Property.......................................................2
        1.3   License of Certain Other Intellectual Property Rights..........3
        1.4   Closing........................................................3
        1.5   Deliveries at the Closing......................................3
        1.6   Delivery of Cisco Common Stock.................................3
        1.7   Earnout........................................................4
        1.8   Adjustment to POS Holland Share Purchase Price.................5
        1.9   Reimbursement of Certain Costs.................................7
        1.10  Further Assurances.............................................7

ARTICLE II    REPRESENTATIONS AND WARRANTIES OF PARENT, PIRELLI CAVI
              AND SELLER.....................................................8

        2.1   Organization, Standing and Power...............................9
        2.2   Capitalization.................................................9
        2.3   Authority.....................................................10
        2.4   Financial Statements..........................................11
        2.5   Absence of Certain Changes....................................12
        2.6   Absence of Undisclosed Liabilities............................12
        2.7   Litigation....................................................12
        2.8   Restrictions on Business Activities...........................13
        2.9   Governmental Authorization....................................13
        2.10  Title to Property.............................................13
        2.11  Intellectual Property.........................................13
        2.12  Environmental Matters.........................................15
        2.13  Taxes.........................................................16
        2.14  Employee Benefit Plans........................................17
        2.15  Certain Agreements Affected...................................20
        2.16  Employee Matters..............................................20
        2.17  Insurance.....................................................21
        2.18  Compliance With Laws..........................................21
        2.19  Brokers' and Finders' Fees....................................21
        2.20  Inventory.....................................................21
        2.21  Accounts Receivable...........................................21
        2.22  Material Contracts............................................22
        2.23  No Breach of Material Contracts...............................22
        2.24  Third Party Consents..........................................23
        2.25  Material Third Party Consents.................................23
        2.26  Year 2000.....................................................23
        2.27  Registration Statement; Prospectus............................23
        2.28  Teroptics Systems Business....................................23
</TABLE>



                                        i
<PAGE>   3
<TABLE>
<S>                                                                         <C>
        2.29  Submarine and Components Business.............................24
        2.30  Securities Act................................................24

ARTICLE III   REPRESENTATIONS AND WARRANTIES OF CISCO AND ACQUIROR..........24

        3.1   Organization, Standing and Power..............................24
        3.2   Authority.....................................................24
        3.3   SEC Documents; Financial Statements...........................25
        3.4   Absence of Undisclosed Liabilities............................26
        3.5   Broker's and Finders' Fees....................................26
        3.6   Registration Statement; Prospectus............................26
        3.7   Representations and Warranties Complete.......................26

ARTICLE IV    CONDUCT PRIOR TO THE CLOSING DATE.............................26

        4.1   Conduct of Business of the POS Entities.......................26
        4.2   Restriction on Conduct of Business of POS Entities............27

ARTICLE V     ADDITIONAL AGREEMENTS.........................................29

        5.1   Access to Information.........................................29
        5.2   Confidentiality...............................................30
        5.3   Public Disclosure.............................................30
        5.4   Consents; Cooperation.........................................30
        5.5   Legal Requirements............................................31
        5.6   Listing of Additional Shares..................................31
        5.7   Employees.....................................................31
        5.8   Proprietary Information.......................................33
        5.9   Covenants Regarding Employees and Covenant Not to
              Interfere, Compete or Solicit Business........................33
        5.10  Use of Trademarks and Names...................................35
        5.11  Registration Statement........................................35
        5.12  Additional Agreements.........................................35
        5.13  Conversion of Corporate Status................................36
        5.14  Carve-Out.....................................................36
        5.15  Blue Sky......................................................36
        5.16  Repayment of Debt.............................................36
        5.17  Assumption of Certain Indemnities.............................36
        5.18  Ciena Agreement...............................................36
        5.19  Termination of Inter-Company Contracts........................36
        5.20  Certain Undertakings..........................................36
        5.21  Reasonable Best Efforts and Further Assurances................37

ARTICLE VI    CONDITIONS....................................................37

        6.1   Conditions to Obligations of Each Party to Effect the
              Closing.......................................................37
        6.2   Additional Conditions to Obligations of Parent and Seller.....38
        6.3   Additional Conditions to the Obligations of Cisco and
              Acquiror......................................................38
</TABLE>



                                       ii
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<TABLE>
<S>                                                                         <C>
ARTICLE VII   TERMINATION, AMENDMENT AND WAIVER.............................40

        7.1   Termination...................................................40
        7.2   Effect of Termination.........................................40
        7.3   Expenses......................................................40

ARTICLE VIII  INDEMNIFICATION...............................................41

        8.1   Survival of Representations and Warranties....................41
        8.2   Indemnification...............................................41
        8.3   Limitations...................................................41
        8.4   Procedure for Indemnification with Respect to Third-Party
              Claims........................................................42
        8.5   Procedure for Indemnification with Respect to Non-Third
              Party Claims..................................................43
        8.6   Tax Matters...................................................43

ARTICLE IX    CERTAIN TAX MATTERS...........................................43

        9.1   Returns; Indemnification; Liability for Taxes.................43
        9.2   Cooperation; Refunds and Credits..............................44
        9.3   Termination of Tax Sharing Agreements.........................46
        9.4   Conduct of Audits and Other Procedural Matters................46
        9.5   Value Added Tax...............................................46

ARTICLE X     GENERAL PROVISIONS............................................47

        10.1  Notices.......................................................47
        10.2  Interpretation................................................48
        10.3  Counterparts..................................................48
        10.4  Entire Agreement; Nonassignability; Parties in Interest.......48
        10.5  Severability..................................................48
        10.6  Remedies Cumulative...........................................49
        10.7  Governing Law.................................................49
        10.8  Amendment and Modification....................................49
        10.9  Arbitration of Disputes; Submission to Jurisdiction;
              Consent to Service of Process.................................49
</TABLE>




                                      iii
<PAGE>   5
SCHEDULES

Disclosure Schedule
Schedule 1.8     -   Reference September 30, 1999 Balance Sheet
Schedule 2.1     -   Contributed Business
Schedule 2.2     -   POS Holland Subsidiaries
Schedule 2.4     -   Financial Statements and POS Accounting Principles
Schedule 2.5     -   Certain Changes Since Balance Sheet Date
Schedule 2.6     -   Liabilities
Schedule 2.7     -   Litigation
Schedule 2.10    -   Real and Leased Property
Schedule 2.11    -   Intellectual Property
Schedule 2.14    -   Employee Plans
Schedule 2.15    -   Certain Affected Agreements
Schedule 2.16    -   Personnel
Schedule 2.22    -   Material Contracts
Schedule 2.23    -   No Breach of Material Contracts
Schedule 2.24    -   Third Party Consents
Schedule 2.25    -   Material Third Party Contracts
Schedule 2.28    -   Assets Not Held By POS Entities
Schedule 4.2     -   Conduct of Business
Schedule 5.7     -   List of Employees
Schedule 5.17    -   Certain Guarantees
Schedule 5.19    -   Terminating Contracts


EXHIBITS

Exhibit A        -   Intellectual Property License Agreement
Exhibit B        -   Manufacturing and Supply Agreement
Exhibit C        -   Term Sheet for Contribution Agreement
Exhibit D        -   Patent Assignment Agreement
Exhibit E        -   Carve-Out Agreement
Exhibit F        -   Employment and Non-Competition Agreements
Exhibit G        -   Term Sheet for Shared Services Agreement
Exhibit H        -   Term Sheet for Investment in Components
Exhibit I        -   Term Sheet for Investment in Submarine
Exhibit J        -   Term Sheet for Assignment and Assumption
Exhibit K        -   Term Sheet for Submarine Supply Agreement



                                       iv
<PAGE>   6
                            SHARE PURCHASE AGREEMENT


            This SHARE PURCHASE AGREEMENT (this "Agreement") is made and entered
into as of December 20, 1999, by and among Cisco Systems, Inc., a California
corporation ("Cisco"), Cisco Systems Management B.V., a Netherlands corporation
and wholly-owned subsidiary of Cisco ("Acquiror"), Pirelli, S.p.A. a limited
company incorporated under the laws of Italy ("Parent"), Pirelli Cavi e Sistemi
SpA, a limited company incorporated under the laws of Italy ("Pirelli Cavi") and
Pirelli Cable Holding, N.V., a limited company incorporated under the laws of
the Netherlands ("Seller"). The Parent, Pirelli Cavi and the Seller are
collectively referred to herein as "Pirelli".

                                    RECITALS

A. Pirelli Finance Holding N.V. (whose name is in the process of being changed
to Pirelli Optical Systems Holding N.V.), a limited company incorporated under
the laws of the Netherlands ("POS Holland"), Pirelli Optical Systems Italia
S.p.A., a limited company incorporated under the laws of Italy ("POS Italy"),
Pirelli Optical Systems France S.A., a limited company incorporated under the
laws of France ("POS France"), Pirelli Optical Systems Deutschland GmbH, a
limited company incorporated under the laws of Germany ("POS Germany"), and
Pirelli Optical Systems North America, Inc., a Delaware corporation ("POSNA"),
are each engaged in the business of developing, manufacturing and distributing
Teroptic Systems (the "Teroptics Systems Business") and the manufacturing of
Components and Devices (as such terms are defined in the IPR Agreement referred
to below).

B. Seller is the beneficial and record owner of 243,000 shares with a nominal
value of 223 Netherlands guilders per share of POS Holland (the "POS Holland
Shares"), which POS Holland Shares represent all of the issued and outstanding
share capital of POS Holland.

C. POS France, POS Germany, POSNA and POS Italy are direct wholly-owned (or, in
the case of POS France, 99.98% owned) subsidiaries of POS Holland. Immediately
prior to the Closing, POS Italy will be a direct subsidiary of POS Holland and
Pirelli Cavi, with POS Holland and Pirelli Cavi owning all of the shares (the
"POS Italy Shares") of POS Italy, which shares will represent all of the issued
and outstanding share capital of POS Italy (the terms "share" or "shares" when
referred to POS Italy shall mean either the shares of POS Italy or the
corresponding "quotas", after POS Italy is transformed from an "S.p.A." into an
"S.r.l.". POS Italy, POS France, POS Germany and POSNA are each referred to
herein as a "POS Holland Subsidiary" and are collectively referred to herein as
the "POS Holland Subsidiaries". POS Holland and the POS Holland Subsidiaries are
referred to herein collectively as the "POS Entities". The POS Holland Shares
and the POS Italy Shares are referred to herein collectively as the "Shares".

D. Seller desires to sell, and Acquiror wishes to purchase, the POS Holland
Shares, subject to the terms and conditions set forth in this Agreement.

E. Pirelli Cavi desires to sell, and Acquiror wishes to purchase, the POS Italy
Shares, subject to the terms and conditions set forth in this Agreement.


<PAGE>   7

            NOW, THEREFORE, in consideration of the covenants and
representations set forth herein, and for other good and valuable consideration,
the parties agree as follows:


                                    ARTICLE I

                           PURCHASE AND SALE OF SHARES

            1.1 Purchase and Sale of POS Holland Shares. Upon the terms and
subject to the conditions set forth in this Agreement, Acquiror agrees to
purchase from the Seller, and the Seller agrees to sell, assign, transfer and
deliver to Acquiror, the POS Holland Shares, with full title guarantees, free
and clear of all liens, pledges, claims, charges, restrictions or other
encumbrances, for an aggregate purchase price (the "POS Holland Share Purchase
Price") equal to the number of shares of Cisco Common Stock determined by
dividing U.S. $462.5 million (subject to adjustment as set forth in Section 1.8
hereof) by the closing price for a share of Cisco Common Stock as quoted on the
trading day on the Nasdaq Stock Market (a "Nasdaq Trading Day") immediately
preceding the Closing Date (the "Cisco Stock Price") and cash in lieu of any
fractional shares equal to the product of such fraction of a share by the Cisco
Stock Price.

            1.2 Purchase and Sale of POS Italy Shares or Intellectual Property.

                  (a) Upon the terms and subject to the conditions set forth in
this Agreement, Acquiror agrees to purchase from Pirelli Cavi, and Pirelli Cavi
agrees to sell, assign, transfer and deliver to Acquiror, the POS Italy Shares,
with full title guarantees, free and clear of all liens, pledges, claims,
charges, restrictions or other encumbrances, for an aggregate purchase price
(the "POS Italy Share Purchase Price") equal to the number of shares of Cisco
Common Stock determined by dividing U.S. $1.2375 billion by the Cisco Stock
Price and cash in lieu of any fractional shares equal to the product of such
fraction of a share by the Cisco Stock Price.

                  (b) At the election of Pirelli Cavi delivered to Cisco within
five days prior to the scheduled Closing Date, Pirelli Cavi shall not contribute
the Contributed Business (as defined below) to POS Italy in exchange for POS
Italy Shares and sell such POS Italy Shares to Acquiror, but rather Pirelli Cavi
shall sell the Intellectual Property rights that are included in the Contributed
Business to Acquiror (or another direct or indirect subsidiary of Cisco
designated by Cisco) for a number of shares of Cisco Common Stock determined by
dividing $1.2375 billion by the Cisco Stock Price (with cash in lieu of any
fractional shares equal to the product of such fraction of a share by the Cisco
Stock Price). In the event the transaction is restructured in this manner, Cisco
agrees to pay, or cause Acquiror (or different designated transferee) to pay,
any value added Tax imposed upon the sale of such Intellectual Property rights
to Acquiror. In such event, Cisco (acting in the interest of Acquiror or other
designated transferee) shall have control over the filing of any Tax Returns
relating to the value added Tax, all valuation and allocation matters relating
to such value added Tax and the reporting of the transfer as a taxable or
non-taxable transaction. Parent and Pirelli Cavi shall cooperate with Cisco in
connection with the determination of the amount of any such value added Tax and
the refund of any such value added Tax. Cisco (through Acquiror or the different
designated transferee) shall have the right to any refunds of such value added
Tax (including interest) and shall have the sole responsibility and control over
the refund claim for such value added Tax (and interest).



                                       2
<PAGE>   8

            1.3 License of Certain Other Intellectual Property Rights. Pirelli
Cavi is the owner of, or has rights in, certain intellectual property rights as
further described in that certain Intellectual Property License Agreement (the
"IPR Agreement") attached hereto as Exhibit A and, upon, the Closing, Pirelli
Cavi will license to POS Italy and Cisco such intellectual property rights
pursuant to the terms of the IPR Agreement.

            1.4 Closing. The closing of the purchase and sale of the Shares (the
"Closing") shall take place on the second business day after the satisfaction or
waiver of each of the conditions set forth in Article VI hereof or at such other
time as the parties hereto agree (the "Closing Date") provided that such day and
the day prior thereto is a Nasdaq Trading Day. The Closing shall take place at
the offices of Brobeck, Phleger & Harrison LLP, 1633 Broadway, New York, New
York, at 6:00 a.m. local time or at such other location or time as the parties
hereto agree. The parties will use commercially reasonable efforts to cause the
Closing to occur by January 31, 2000 or as soon thereafter as possible.

            1.5 Deliveries at the Closing. At the Closing:

                  (a) the Seller and Pirelli Cavi shall deliver to Acquiror the
certificates (or other evidence of transfer if the Shares are not certificated)
representing the Shares, duly endorsed, accompanied by appropriate corporate
annotations and any other instruments of transfer in proper form duly executed
and attested to the reasonable satisfaction of Acquiror and its counsel;

                  (b) the Seller and Pirelli Cavi shall deliver to Acquiror and
POS Italy good and sufficient assignments of all Intellectual Property (as
defined herein) in form reasonably satisfactory to Acquiror and appropriate to
obtain registrations of the transfer in its name with any patent or other
competent governmental office;

                  (c) the Parent, Seller and Pirelli Cavi shall deliver to
Acquiror all other documents and instruments required hereunder to be delivered
by (or at the direction of) the Parent, Seller or Pirelli Cavi to Acquiror at
the Closing; and

                  (d) Cisco and Acquiror shall deliver to the Parent, Seller and
Pirelli Cavi all other documents and instruments required hereunder to be
delivered by (or at the direction of) Cisco and Acquiror to the Parent, Seller
or Pirelli Cavi at the Closing.

            1.6 Delivery of Cisco Common Stock.

                  (a) Cisco's transfer agent shall act as transmittal agent (the
"Agent"), with respect to the shares of Cisco Common Stock issued pursuant to
Sections 1.1 and 1.2 hereof.

                  (b) On the business day immediately following the Closing
Date, Cisco shall make available to the Agent for delivery in accordance with
this Article I, through such reasonable procedures as Cisco may adopt, (i) the
shares of Cisco Common Stock issued pursuant to Sections 1.1 and 1.2 and (ii)
cash in an amount sufficient to permit payment of cash in lieu of any fractional
shares.



                                       3
<PAGE>   9

                  (c) Immediately thereafter, the Agent shall deliver to Seller
and Pirelli Cavi through book entry transfer at the Depository Trust Company
("DTC") the shares of Cisco Common Stock and payment in lieu of fractional
shares which Parent and Seller and Pirelli Cavi have the right to receive
pursuant to Sections 1.1 and 1.2.

            1.7 Earnout.

                  (a) In addition to the POS Holland Share Purchase Price, in
the event the revenues of Cisco from the Teroptics Systems Business during the
year ended December 31, 2000 (the "Earnout Period") exceed U.S. $250 million
(determined in accordance with U.S. generally accepted accounting principles
("US GAAP")), Acquiror shall pay Seller as additional consideration for the
purchase of the POS Holland Shares a maximum number of shares of Cisco Common
Stock determined by dividing the Applicable Value (as hereinafter defined) by
the closing price for a share of Cisco Common Stock as quoted on the Nasdaq
Stock Market on the Determination Date (as hereinafter defined) (the "Sales
Earnout"). The "Applicable Value" means U.S. $1 (one dollar) for every U.S. $1
(one dollar) of Cisco revenues derived from the Teroptics Systems Business
during the year ended December 31, 2000 in excess of U.S. $250 million
(determined in accordance with US GAAP) up to a maximum Applicable Value of U.S.
$250 million. No later than 10 business days after Cisco issues its earnings
release for its fiscal quarter ended January 27, 2001, Acquiror shall deliver to
Seller a computation of the revenues of Cisco for the twelve months ended
December 31, 2000 derived from the Teroptics Systems Business. Acquiror shall,
during the following forty business days, provide Seller and its accountants
reasonable access during normal business hours upon prior written notice to such
books, records and accounting personnel of Cisco as are necessary for Seller to
review Cisco's computation of such revenues. Unless within twenty business days
after receipt of such computation, Seller tenders written notice to Acquiror
setting forth any and all items of disagreement relating to such computation,
the computation shall be conclusive and binding on the parties hereto. If Seller
delivers a dispute notice within such twenty business day period, Acquiror and
Seller shall use reasonable efforts to resolve their differences. If the parties
are unable to resolve their differences within a twenty business day period,
Acquiror and Seller shall jointly retain an internationally recognized
"Big-Five" accounting firm (the "Accounting Firm") to resolve such disagreement.
Acquiror and Seller shall request that the Accounting Firm render a
determination as to the computation of such revenue amount within 30 business
days of its retention, and Acquiror and Seller shall cooperate fully with the
Accounting Firm so as to enable it to make such determination as quickly and as
accurately as practicable. The Accounting Firm's determination as to the
computation of such revenue amount shall be in writing and shall be conclusive
and binding upon the parties hereto. Acquiror and Seller shall equally share all
fees and expenses of the Accounting Firm. All fees and expenses of Acquiror's
auditors shall be borne by Acquiror and all fees and expenses of Seller's
auditors shall be borne by Seller. The date that a final determination of such
revenue amount becomes binding and conclusive upon the parties is referred to
herein as the "Determination Date". Acquiror shall cause the Agent to deliver
the additional shares of Cisco Common Stock, if any, as a result of the Sales
Earnout, to Seller (through book entry transfer at the DTC) no later than three
business days after the Determination Date. The Acquiror acknowledges that the
Seller has a legitimate interest in the performance and Sales Earnout of the
Teroptics Business for the Earnout Period. Accordingly, Acquiror undertakes with
the Seller that during the Earnout Period it will use all commercially
reasonable efforts consistent with prior practice to promote in an effort to
maximize the sales of



                                       4
<PAGE>   10

the Teroptics Systems Business and the sale and marketing of the relevant
products and that it will ensure that any products of the Teroptics Systems
Business provided by the Acquiror or any of the POS Entities to any affiliate of
Cisco will be paid for on arm's length commercial terms.

                  (b) In addition to the POS Holland Share Purchase Price, if
Pirelli meets the performance milestones described in Exhibit K to that certain
Manufacturing and Supply Agreement between Cisco and Pirelli in the form
attached hereto as Exhibit B (the "Supply Agreement"), then for each of the five
three-month periods commencing on the first day of the fiscal quarter of Seller
immediately following the Closing during which Pirelli has met such milestones,
Seller shall receive, on the 45th business day after the end of the applicable
period for which the milestone has been met, as additional consideration for the
POS Holland Shares, a maximum number of shares of Cisco Common Stock determined
by dividing $25 million by the closing price for a share of Cisco Common Stock
as quoted on the Nasdaq Stock Market for the trading day immediately preceding
the third business day prior to the date on which such additional shares of
Cisco Common Stock are delivered to Seller in accordance with this subsection
(b). The aggregate amount of additional consideration payable hereunder if the
milestones are met for each of the five periods shall not exceed $125 million.

                  (c) As additional consideration for the POS Holland Shares,
Acquiror shall pay Seller a maximum number of shares of Cisco Common Stock
determined by dividing $75 million minus the Plant Costs (as defined below) by
the closing price for a share of Cisco Common Stock as quoted on the Nasdaq
Stock Market for the trading day immediately preceding the third business day
prior to the date on which such additional shares of Cisco Common Stock are
delivered to Seller in accordance with this subsection (c). "Plant Costs" mean
the following costs associated with the closing of any Designated Facility:
costs relating to employee benefits such as costs of severance, transition
salaries, stay bonuses, termination benefits and costs to terminate or
transition benefit plans, costs to consolidate or relocate facilities and
personnel, and costs incurred in connection with any collective dismissal or to
terminate contractual arrangements such as purchase commitments and leases.
"Release Date" means the earlier of three years from the Closing Date or six
months after the closure of any Designated Facility. Cisco shall cause the Agent
to deliver the shares to be issued pursuant to this subsection to Seller
(through book entry transfer at DTC) no later than three business days after the
Release Date. Cisco and Parent will work together to minimize Plant Costs.
Seller will provide Cisco its recommended plant closing procedures with respect
to the closure of any Designated Facility and will advise Cisco as to actions to
be taken in connection with the closing of any Designated Facility. If requested
by Cisco, Seller will purchase any real property associated with such facilities
at fair market value as determined by an independent third party appraiser.

            1.8 Adjustment to POS Holland Share Purchase Price.

                  (a)   The U.S. $462.5 million Holland Share Purchase Price
shall be adjusted as follows:

                              (i) at the Closing Date, the U.S. $462.5 million
      POS Holland Purchase Price shall be reduced by the amount of the Pro Forma
      Consolidated Net Financial Indebtedness as identified in the Reference Pro
      Forma Consolidated



                                       5
<PAGE>   11

      Balance Sheet as of September 30, 1999 attached hereto as Schedule 1.8,
      which was prepared in accordance with the Pirelli Accounting Principles
      detailed in Schedule 2.4 ("Pirelli Accounting Principles"). The Pro Forma
      Consolidated Net Financial Indebtedness includes the face amount of such
      indebtedness, all accrued interest and penalties thereon and all financing
      fees relating thereto. Such Pro Forma Consolidated Net Financial
      Indebtedness will be convertible into U.S. dollars using the $U.S./Euro
      Reference Rate (as hereinafter defined). The U.S. $462.5 million POS
      Holland Share Purchase Price, as adjusted, shall be referred to as the
      "Closing Date POS Holland Share Purchase Price"; and

                              (ii)  after the Closing Date and in accordance
      with the terms set forth in Section 1.8(b), the Closing Date POS Holland
      Share Purchase Price shall be increased or decreased, as applicable, by
      the Net Equity Adjustment which will be calculated as follows:

            -  Consolidated Equity Account as per the Closing Balance Sheet (as
               defined below) less Consolidated Equity Account as per the
               Reference Pro Forma Consolidated Balance Sheet as of September
               30, 1999 attached hereto as Schedule 1.8. The Closing Balance
               Sheet will be prepared in accordance with the Pirelli Accounting
               Principles consistently applied.

            The Calculation of the Consolidated Equity Account for the purpose
of the Net Equity Adjustment shall not include:

            -  Any assets and/or liabilities recorded as a result of the
               contribution of the Contributed Business.

            -  Any restructuring reserve related to the Plant Costs and
               Facilities Costs.

            -  Any Tax liabilities or any deferred Tax assets or deferred Tax
               liabilities.

            -  Any costs or liabilities related to the Designated Employees (as
               defined in Section 2.16).

            The consolidation area for the Closing Balance Sheet will include
all the POS Entities regardless of any change in the ownership structure
resulting from the contribution of the Contributed Business. Therefore, the
Consolidated Equity Account used for the purpose of the Net Equity Adjustment
will include any minorities. The Net Equity Adjustment will be converted into
U.S. $ using the rate published by the European Central Bank for the U.S. $/Euro
conversion rate as quoted on page ECB37 on Reuters Screen at or around 1:00 p.m.
in Milan on the day immediately preceding the Closing Date (the "$US/Euro
Reference Rate").

                  (b) Within 90 days after the Closing Date, Seller shall cause
to be prepared and delivered to Acquiror an audited balance sheet of the POS
Entities as of the Closing Date (the "Closing Balance Sheet"), reconciled to US
GAAP, together with a statement certified by the Seller setting forth in
reasonable detail the net cumulative amount of the adjustments based on the
items described in Section 1.8(a)(ii) (the "Post Closing Adjustment"), if any.
Acquiror shall cooperate and instruct its auditors to cooperate with Seller and
their auditors in



                                       6
<PAGE>   12
completing the audit referred to above and provide Seller and its accountants
reasonable access during normal business hours upon prior written notice to such
books, records and accounting personnel of the POS Entities as are necessary for
Seller to prepare such Closing Balance Sheet. Acquiror shall have 75 days after
the receipt of the Closing Balance Sheet to review it to confirm that such
Closing Balance Sheet has been prepared in a manner consistent with Seller's
past practice (which, for information purposes only, shall be reconciled to US
GAAP). Seller shall cooperate and instruct their auditors to cooperate with the
Acquiror and its auditors in completing the review referred to above. Unless
Acquiror objects in writing within such 75 day period, Seller's determination of
the Post Closing Adjustment shall constitute the Post Closing Adjustment for
purposes hereof. In the event Acquiror makes such objection within such 75 day
period, the Seller and Acquiror each agree to use their reasonable efforts to
resolve the dispute. In the event such dispute is not resolved within 10 days,
the parties shall jointly retain the Accounting Firm. In resolving any dispute,
the Accounting Firm shall be charged with the task of determining if the Closing
Balance Sheet, taken as a whole, was prepared consistent with past practice, and
if the Post Closing Adjustment was properly derived from the Closing Balance
Sheet and, if not, what adjustments should be made to the Post Closing
Adjustment. The parties hereto agree that the results of such Accounting Firm
shall be conclusive and binding on each of them and the final determination of
the Post Closing Adjustment as approved by such Firm shall prevail. Seller and
Acquiror each agree to pay one-half of the fees and expenses of such Accounting
Firm. Within five (5) days after the Post Closing Adjustment has been
conclusively determined as set forth above, Acquiror or Seller, as the case may
be, shall pay in cash any amount owing the other as a result of the Post Closing
Adjustment unless such amount is less than U.S. $1 million, in which case no
amounts shall be due to any party pursuant to this provision.

            1.9 Reimbursement of Certain Costs. After the Closing, Cisco shall
invoice Seller quarterly for any Facilities Costs incurred by Cisco for a period
of four years after the Closing. Cisco will provide with such invoice supporting
detail as to the specific costs. Seller agrees to pay Cisco such Facilities
Costs within 30 days of the receipt of such invoice. Cisco will cooperate with
Seller to allow Seller to properly record such Facilities Costs. Seller shall
have no right to dispute such Facilities Costs (or the supporting detail) but
shall not be required to reimburse more than U.S. $50 million of such Facilities
Costs in the aggregate. "Facilities Costs" mean any costs associated with
closing any of the manufacturing facilities of the POS Entities other than any
Designated Facility, including but not limited to costs relating to employee
benefits such as costs of severance, transition salaries, stay bonuses,
termination benefits and costs to terminate or transition benefit plans, costs
associated with the elimination and reduction of product or service lines
(including costs to maintain customer goodwill), costs to consolidate or
relocate facilities and personnel, costs for new information and
telecommunication systems (including acquisition and development costs), and
costs incurred in connection with any collective dismissal or to terminate
contractual arrangements such as purchase commitments and leases.

            1.10 Further Assurances. If, at any time after the Closing Date, any
further action is necessary to carry out the purposes of this Agreement and to
vest the Acquiror with full right, title and possession to the Shares (or the
Intellectual Property included in the Contributed Business), officers and
directors of Parent, Pirelli Cavi and Seller are fully authorized in the name of
their respective corporations or otherwise to take, and will take, to the extent
such action



                                       7
<PAGE>   13

was required to be taken prior to the Closing, all such lawful and necessary
action and, if the action was not required to be taken prior to the Closing,
Parent, Pirelli Cavi and Seller shall use their best efforts to take all such
lawful and necessary action so long as such action is not inconsistent with this
Agreement. Each party shall bear its own expenses with respect to any additional
actions that were required to be taken prior to the Closing. Acquiror shall bear
the expenses of actions taken by Pirelli after the Closing that were not
required to be taken prior to the Closing if such actions are requested in
writing by Cisco.


                                   ARTICLE II

        REPRESENTATIONS AND WARRANTIES OF PARENT, PIRELLI CAVI AND SELLER

            In this Agreement, any reference to any event, change, condition or
effect being "material" with respect to any entity or group of entities means
any event, change, condition or effect which is material to the condition
(financial or otherwise), properties, assets (including intangible assets),
liabilities, business, operations or results of operations of such entity or
group of entities. In this Agreement, any reference to a "Material Adverse
Effect" with respect to any entity or group of entities means any event, change
or effect that is materially adverse to the condition (financial or otherwise),
properties, assets, liabilities, business, operations or results of operations
of such entity or group of entities; provided, however, that a Material Adverse
Effect on a person shall not include (a) with respect to the POS Entities, any
adverse effect on the bookings, revenues, gross margins or earnings of the POS
Entities, or any delay in or reduction or cancellation of orders of the POS
Entities products, following execution of this Agreement which is primarily
attributable to the announcement of the execution of this Agreement and the
transactions contemplated hereby; or (b) any change arising out of conditions
affecting the economy or industry of such person in general and not specific to
such person or its products, services or technology, which conditions do not
affect such person in a materially disproportionate matter relative to other
participants in the economy or such industry, respectively.

            In this Agreement, any reference to a party's "knowledge" means
actual knowledge of such party after such party has made due and diligent
inquiry of those officers, directors and other employees of such party who are
charged with senior administrative or operational responsibility of the matters
represented.

            In this Article II, (a) none of the representations and warranties
contained herein relate to the Submarine and Components Business, and (b) all of
the representations and warranties relate to and include the Contributed
Business (or the Intellectual Property included in the Contributed Business if
the election referred to in Section 1.2(b) is made), whether or not such
inclusion is expressly mentioned, and regardless of the election made by Pirelli
Cavi pursuant to Section 1.2(b).

            Except as disclosed in a document of even date herewith attached as
an exhibit to this Agreement and delivered by Pirelli to Acquiror prior to the
execution and delivery of this Agreement and referring to the representations
and warranties in this Agreement (the "Disclosure



                                       8
<PAGE>   14
Schedule"), Parent, Pirelli Cavi and Seller represent and warrant to Cisco and
Acquiror as follows:

            2.1 Organization, Standing and Power.

                  (a) Each of Parent, Pirelli Cavi, Seller, POS Holland and the
POS Holland Subsidiaries is a corporation duly organized, validly existing and
in good standing under the laws of its jurisdiction of organization. Each of
Parent, Pirelli Cavi, Seller, POS Holland and the POS Holland Subsidiaries has
the corporate power to own its properties and to carry on its business as now
being conducted and as currently proposed to be conducted and is duly qualified
to do business and is in good standing in each jurisdiction in which it is
required to be so qualified. True and complete copies of the Memorandum and
Articles of Association and ByLaws or other organizational documents, as
applicable, of POS Holland and the POS Holland Subsidiaries, each as currently
in effect, have heretofore been delivered to Acquiror. None of the POS Entities
is in violation of any of the provisions of its Memorandum, Articles of
Association or Bylaws or equivalent organizational documents.

                  (b) Pirelli Cavi has or, prior to the Closing, will contribute
to POS Italy (pursuant to the terms of that certain Contribution Agreement and
that certain Patent Assignment Agreement in the forms attached hereto as
Exhibits C and D, respectively), in exchange for the POS Italy Shares, the
business described in Schedule 2.1 of the Disclosure Schedule (the "Contributed
Business"), including certain intellectual property described in Schedule
2.11(a). POS Italy has or will have prior to the Closing all of Pirelli Cavi's
right, title and interest in and to the Contributed Business as set forth in the
Contribution Agreement, and will have assumed only those liabilities related to
the Contributed Business that are set forth on Schedule 2.1. The contribution of
the Contributed Business has been or will be made pursuant to Article 2343 of
the Italian Civil Code in exchange for newly issued POS Italy Shares (which have
been or will be issued with a 10:90 ratio between share capital and share
premium upon the transformation of POS Italy from an S.p.A to an S.R.L. and with
the application of the provisions of Article 1.d.lgs.n 358/1997 (step-up of
basis of assets with the payment of a 27% substitute tax)). The directors and
statutory auditors of POS Italy will have verified such value according to
Article 2343, paragraph 3d, of the Italian Civil Code, will have ascertained
that no adjustment is required and all the newly issued POS Italy Shares will be
fully transferable, with above nominal value. The contribution will have been
made in compliance with all laws and regulations, including consultation and
notification requirements required by applicable labor legislation.

            2.2 Capitalization.

                  (a) Capitalization of POS Holland. The authorized share
capital of POS Holland consists of 1,000,000 ordinary shares of 223 Netherlands
guilders per share, of which the POS Holland Shares are the only shares issued
as of date hereof. Seller is the record and beneficial owner of the Shares, and
Seller has good and valid title to such Shares, free and clear of all liens,
pledges, claims, charges, restrictions or other encumbrances. All the Shares are
duly authorized, validly issued, fully paid and nonassessable and are not
subject to preemptive rights or rights of first refusal created by statute, the
Memorandum and Articles of Association of POS Holland or any agreement to which
POS Holland is a party or by which it is bound. Except



                                       9
<PAGE>   15
for the rights created pursuant to this Agreement, there are no other options,
warrants, calls, rights, exchangeable or convertible securities or other
commitments or agreements of any character to which POS Holland is a party or by
which it is bound obligating POS Holland to issue, deliver, sell, repurchase or
redeem, or cause to be issued, delivered, sold, repurchased or redeemed, any
shares of capital stock of POS Holland or obligating POS Holland to grant or
extend, or enter into any such option, warrant, call, right, commitment or
agreement. Except for the agreements contemplated by this Agreement, there are
no contracts, commitments or agreements relating to voting, purchase or sale of
POS Holland's capital stock. POS Holland is the owner of all outstanding shares
of capital stock of each of the POS Holland Subsidiaries (except POS Italy whose
shares are also owned by Pirelli Cavi) as further described in Schedule 2.2 of
the Disclosure Schedule. Except for the POS Holland Subsidiaries, POS Holland
does not directly or indirectly own any equity or similar interest in, or any
interest convertible or exchangeable or exercisable for, any equity or similar
interest in, any corporation, partnership, joint venture or other business
association or entity.

                  (b) POS Holland Subsidiaries. Each POS Holland Subsidiary is
listed in Schedule 2.2 of the Disclosure Schedule together with its jurisdiction
of organization, authorized share capital and number of issued shares. All
issued share capital of each POS Holland Subsidiary (other than POS Italy) is
duly authorized, validly issued, fully paid and nonassessable, and is owned
directly by POS Holland (except for shares of POS France as specified in
Schedule 2.2), free and clear of all liens, pledges, claims, charges,
restrictions or other encumbrances. All issued share capital of POS Italy is
duly authorized, validly issued, fully paid and nonassessable, and is owned
directly by POS Holland and Pirelli Cavi, free and clear of all liens, pledges,
claims, charges, restrictions or other encumbrances. There are no outstanding
subscriptions, options, warrants, puts, calls, rights, exchangeable or
convertible securities or other commitments or agreements of any character
relating to the issued or unissued capital stock or other securities of any POS
Holland Subsidiary, or otherwise obligating any POS Holland Subsidiary to issue,
transfer, sell, purchase, redeem or otherwise acquire any such securities. No
POS Holland Subsidiary, directly or indirectly, owns any equity or similar
interest in, or any interest convertible or exchangeable or exercisable for, any
equity or similar interest in, any corporation, partnership, joint venture or
other business association or entity.

                  (c) Outstanding Options. To the extent there are any options
to purchase shares of any entity outstanding with respect to any of the
employees of the POS Entities, Cisco shall have no liability or responsibility
for such options. Such options shall be the responsibility of Parent.

            2.3 Authority. Each of the Parent, Pirelli Cavi and Seller has all
requisite corporate power and authority to enter into this Agreement and each of
the IPR Agreement, the Supply Agreement, the Contribution Agreement, the Patent
Assignment Agreement, the Shared Services, the Assignment and Assumption
Agreement, the Submarine Supply Agreement, the Investment Agreements relating to
the Submarine and Components Business, and the Carve-Out Agreement (collectively
the "Transaction Documents") to which it is a party and to consummate the
transactions contemplated hereby and thereby. The execution and delivery of this
Agreement and each of the Transaction Documents to which Seller, Pirelli Cavi or
Parent is a party and the consummation of the transactions contemplated hereby
and thereby have been duly authorized by all necessary corporate action on the
part of Parent, Pirelli Cavi and Seller and no other



                                       10
<PAGE>   16

corporate proceedings on the part of Seller, Pirelli Cavi or Parent is necessary
to authorize this Agreement and Transaction Document to which it is a party or
to consummate the transactions contemplated hereby and thereby. This Agreement
and each of the Transaction Documents to which Seller, Pirelli Cavi or Parent is
a party have been duly executed and delivered by Parent, Pirelli Cavi and Seller
and constitute the valid and binding obligations of Parent, Pirelli Cavi and
Seller enforceable against Parent, Pirelli Cavi and Seller in accordance with
their respective terms except to the extent enforceability may be limited by
applicable bankruptcy, reorganization, moratorium or other laws affecting the
enforcement of creditor's rights generally and by general principles of equity,
regardless of whether such enforceability is considered in a proceeding at law
or equity. The execution and delivery of this Agreement and the Transaction
Documents by Parent, Pirelli Cavi and Seller does not, and the consummation of
the transactions contemplated hereby and thereby will not, conflict with, or
result in any violation of, or default under (with or without notice or lapse of
time, or both), or give rise to a right of termination, cancellation or
acceleration of any obligation or loss of any benefit under (i) any provision of
the Memorandum, Articles of Association or Bylaws (or comparable organizational
documents) of Parent, Pirelli Cavi, Seller or any POS Entity; (ii) any material
mortgage, indenture, lease, contract or other material agreement or instrument
to which Parent, Pirelli Cavi, Seller or any POS Entity is a party or by which
it or any of its assets are bound; or (ii) any material permit, franchise,
license, judgment, order, decree, statute, law, ordinance, rule or regulation
applicable to Parent, Pirelli Cavi, Seller, any of the POS Entities or any of
their respective properties or assets. No consent, approval, order or
authorization of, or registration, declaration or filing with, any court,
administrative agency or commission or other governmental authority or
instrumentality ("Governmental Entity") is required on the part of Parent,
Pirelli Cavi, Seller or any of the POS Entities in connection with the execution
and delivery of this Agreement or the Transaction Documents or the consummation
of the transactions contemplated hereby or thereby, except for (i) such
consents, approvals, orders, authorizations, registrations, declarations and
filings as may be required under any Antitrust Laws (as defined herein), which
will be made or obtained prior to the Closing; and (ii) such other consents,
authorizations, filings, approvals and registrations which, if not obtained or
made, could not reasonably be expected to have a Material Adverse Effect on
Parent, Pirelli Cavi, Seller or the POS Entities and would not prevent, or
materially alter or delay any of the transactions contemplated by this Agreement
or the Transaction Documents.

            2.4 Financial Statements. Attached as Schedule 2.4 of the Disclosure
Schedule are unaudited combined management accounts of the Photonic Business
Unit as at and for the fiscal year ended December 31, 1998 and unaudited
combined pro forma management accounts of the POS Entities as at and for the
period of inception through September 30, 1999 (balance sheet, statement of
operations and statement of cash flows) (collectively, the "Financial
Statements"). The Financial Statements have been prepared in accordance with the
Pirelli Accounting Principles described on Schedule 2.4 applied on a consistent
basis throughout the periods indicated and with each other. The Financial
Statements fairly present, in all material respects, the combined financial
condition and operating results of the Photonic Business Unit and the combined
financial condition and operating results of the POS Entities, as the case may
be, as of the dates, and for the periods, indicated therein (subject to normal
audit adjustments). The Reference Pro Forma Consolidated Balance Sheet attached
as Schedule 1.8 was prepared in accordance with Pirelli Accounting Principles
and fairly presents, in all material respects the pro forma financial condition
of the POS Entities as of September 30, 1999 based on the pro forma



                                       11
<PAGE>   17
adjustments described therein, subject to any adjustments necessary as a result
of the Contribution or Carve-Out Agreements. The financial projections relating
to the Teroptic Systems Business contained in the Pirelli Terrestrial Optical
Line Transmission Systems Information Memorandum dated September, 1999 were
prepared in good faith based upon assumptions which have been disclosed to
Cisco.

            2.5 Absence of Certain Changes. Except as set forth in Schedule 2.5
of the Disclosure Schedule, since September 30, 1999 (the "Balance Sheet Date"),
each POS Entity has conducted its business in the ordinary course consistent
with past practice and there has not occurred: (i) any change, event or
condition (whether or not covered by insurance) that has resulted in, or might
reasonably be expected to result in, a Material Adverse Effect on the POS
Entities taken as a whole; (ii) any acquisition, sale, transfer or disposal of,
or any constitution of any pledge or mortgage over, any material asset of any
POS Entity; (iii) any change in accounting methods or practices (including any
change in depreciation or amortization policies or rates) by any POS Entity or
any revaluation by any POS Entity of any of its assets; (iv) any declaration,
setting aside, or payment of a dividend or other distribution with respect to
the shares of any, or any direct or indirect redemption, purchase or other
acquisition by any POS Entity of any of its shares of capital stock; (v) any
material contract entered into by any POS Entity, or any material amendment or
termination of, or default under, any Material Contract (as defined herein) to
which any POS Entity is a party or by which it is bound; (vi) any amendment or
change to the Memorandum, Articles of Association or ByLaws (or equivalent
charter documents) of any POS Entity; (vii) any material increase in or material
modification of the compensation or benefits payable or to become payable by any
POS Entity to any of its directors or employees; (viii) any entry into,
termination of, or receipt of notice of termination of any permits or other
governmental licenses or authorizations material for the conduct of the business
of the POS Entities; or (ix) any negotiation or agreement by any POS Entity to
do any of the things described in the preceding clauses (i) through (viii)
(other than as expressly contemplated hereby and for negotiations with Acquiror
and its representatives regarding the transactions contemplated by this
Agreement).

            2.6 Absence of Undisclosed Liabilities. No POS Entity has any
material obligations or liabilities of any nature (whether accrued, absolute,
contingent, matured or unmatured, and whether known or unknown) other than (i)
those set forth or adequately provided for in the Balance Sheet included in the
Financial Statements as of September 30, 1999 (the "Balance Sheet"), required to
be disclosed in accordance with POS Accounting Principles; (ii) those incurred
in the ordinary course of business and not required to be set forth in the
Balance Sheet under Pirelli Accounting Principles, (iii) those incurred in the
ordinary course of business since September 30, 1999 and consistent with past
practice, and (iv) those set forth on Schedule 2.6 of the Disclosure Schedule.

            2.7 Litigation. Except as set forth in Schedule 2.7 of the
Disclosure Schedule, there is no private or governmental action, suit,
proceeding, claim, arbitration or material investigation pending before any
agency, court or tribunal, foreign or domestic, or, to the knowledge of Pirelli,
any material action, suit, proceeding, claim, arbitration or investigation
threatened against any of the POS Entities or any of their respective properties
or any of their respective officers or directors (in their capacities as such).
There is no judgment, decree or



                                       12
<PAGE>   18
order against any of the POS Entities. Schedule 2.7 of the Disclosure Schedule
also lists all litigation that any of the POS Entities has pending against other
parties.

            2.8 Restrictions on Business Activities. There is no agreement,
judgment, injunction, order or decree binding upon any of the POS Entities which
has or could reasonably be expected to have the effect of prohibiting or
materially impairing (i) any current business practice of any of the POS
Entities, (ii) any acquisition of property by any of the POS Entities or (iii)
the conduct of the Teroptics Business by any of the POS Entities.

            2.9 Governmental Authorization. Each POS Entity has obtained each
federal, state, county, local or foreign governmental consent, license, permit,
grant, or other authorization of a Governmental Entity (i) pursuant to which
such POS Entity currently operates or holds any interest in any of its
properties or (ii) that is required for the operation of each POS Entity's
business or the holding of any such interest ((i) and (ii) herein collectively
called "Authorizations"), and all of such Authorizations are in full force and
effect, except where the failure to obtain or have any such Authorizations could
not reasonably be expected to have a Material Adverse Effect on the POS
Entities, taken as a whole.

            2.10 Title to Property. Each POS Entity has valid title to all of
their respective properties, interests in properties and assets, real and
personal, reflected in the Balance Sheet or acquired after September 30, 1999
(except properties, interests in properties and assets sold or otherwise
disposed of since September 30, 1999 in the ordinary course of business), or
with respect to material leased properties and assets, valid leasehold interests
in, free and clear of all mortgages, liens, pledges, charges or encumbrances of
any kind or character, except (i) the lien of current taxes not yet due and
payable, (ii) such imperfections of title, liens and easements as do not and
will not materially detract from or interfere with the use of the properties
subject thereto or affected thereby, or otherwise materially impair business
operations involving such properties and (iii) liens securing indebtedness
reflected on the Balance Sheet. The plants, property and equipment of each POS
Entity that are used in and material to the operations of its business are in
good operating condition and repair, subject to normal wear and tear. All
properties used in and material to the operations of the POS Entities are
reflected in the Balance Sheet to the extent POS Accounting Principles require
the same to be reflected. Schedule 2.10 of the Disclosure Schedule identifies
each parcel of real property owned or leased by any POS Entity.

            2.11 Intellectual Property.

                  (a) Each of the POS Entities owns, or is licensed or otherwise
possesses legally enforceable rights to use, all patents, trademarks, trade
names, service marks, copyrights, and any applications therefor, maskworks, net
lists, schematics, technology, know-how, trade secrets, inventions, ideas,
algorithms, processes, computer software programs or applications (in source
code and/or object code form), and tangible or intangible proprietary
information or material ("Intellectual Property") that are used in the
businesses of the POS Entities as currently conducted. Intellectual Property
includes the intellectual property rights of the Contributed Business and
excludes the intellectual property of the Submarine and Components Business that
is being transferred pursuant to the Carve-Out Agreement. Pirelli Cavi owned,
and had the right to transfer ownership of, the Contributed Business to POS
Italy,



                                       13
<PAGE>   19

free and clear of all liens, pledges, claims, charges, restrictions or other
encumbrances, and had not previously granted any licenses relating thereto,
except as disclosed in Schedule 2.11 of the Disclosure Schedule. None of the POS
Entities has (i) licensed any of its Intellectual Property in source code form
to any party or (ii) entered into any exclusive agreements relating to its
Intellectual Property with any party.

                  (b) Schedule 2.11 of the Disclosure Schedule lists (i) all
patents and patent applications and all registered trademarks included in the
Intellectual Property, including the jurisdictions in which each such
Intellectual Property right has been issued or registered or in which any
application for such issuance and registration has been filed, (ii) all
licenses, sublicenses and other agreements pursuant to which any person is
authorized to use any Intellectual Property, and (iii) all licenses, sublicenses
and other agreements pursuant to which any POS Entity is authorized to use any
third party patents, trademarks or copyrights, including software ("Third Party
Intellectual Property Rights") other than Commercial Software. "Commercial
Software" means packaged commercially available software which has been licensed
to a POS Entity pursuant to end-user licenses and which is used in any POS
Entity's business but is in no way a component of or incorporated in or
specifically required to develop or support any of any POS Entity's products and
related trademarks, technology and know how.

                  (c) There is no unauthorized use, disclosure, infringement or
misappropriation of any Intellectual Property rights, or any Third Party
Intellectual Property Rights, by any third party, including any employee or
former employee of any POS Entity or Pirelli, except as disclosed in Schedule
2.7 of the Disclosure Schedule. No POS Entity has entered into any agreement to
indemnify any other person against any charge of infringement of any
Intellectual Property, other than indemnification provisions contained in
purchase orders or license agreements arising in the ordinary course of
business.

                  (d) No POS Entity is, nor will it be as a result of the
execution and delivery of this Agreement or the performance of its obligations
under this Agreement, in breach of any license, sublicense or other agreement
relating to the Intellectual Property or Third Party Intellectual Property
Rights, except as disclosed in Schedule 2.24 of the Disclosure Schedule.

                  (e) All patents, registered trademarks, service marks and
copyrights held by the POS Entities (including the Intellectual Property
included in the Contributed Business) are valid and subsisting excluding the
patents identified in Schedule 2.11(c) for the reasons set forth therein. No POS
Entity (nor Pirelli Cavi, with respect to the Intellectual Property included in
the Contributed Business) has been sued in any suit, action or proceeding which
involves a claim of infringement of any patents, trademarks, service marks,
copyrights or violation of any trade secret or other proprietary right of any
third party, except as disclosed in Schedule 2.11 of the Disclosure Schedule.
The manufacturing, marketing, licensing or sale of the products of the POS
Entities do not infringe any patent, copyright, trade secret or other
proprietary right of any third party. No POS Entity (nor Pirelli Cavi, with
respect to the Intellectual Property included in the Contributed Business) has
brought any action, suit or proceeding for infringement of Intellectual Property
or breach of any license or agreement involving Intellectual Property against
any third party, except as disclosed in Schedule 2.11 of the Disclosure
Schedule.



                                       14
<PAGE>   20
                  (f) Each POS Entity and Pirelli Cavi with respect to the
Intellectual Property included in the Contributed Business have secured valid
written assignments from all consultants and employees who contributed to the
creation or development of the Intellectual Property of the rights to such
contributions that such POS Entity does not already own by operation of law.

                  (g) Each POS Entity and Pirelli Cavi with respect to the
Intellectual Property included in the Contributed Business have taken all
reasonably necessary and appropriate steps to protect and preserve the
confidentiality of all Intellectual Property not otherwise protected by patents,
patent applications or copyright ("Confidential Information"). All use,
disclosure or appropriation of Confidential Information owned by any POS Entity
(or Pirelli Cavi with respect to the Intellectual Property included in the
Contributed Business) by or to a third party has been pursuant to the terms of a
written agreement between such POS Entity (or Pirelli Cavi with respect to the
Intellectual Property included in the Contributed Business) and such third
party, other than disclosures in the ordinary course of business. All use,
disclosure or appropriation of Confidential Information not owned by a POS
Entity (or Pirelli Cavi with respect to the Intellectual Property included in
the Contributed Business) has been pursuant to the terms of a written agreement
between a POS Entity (or Pirelli Cavi with respect to the Intellectual Property
included in the Contributed Business) and the owner of such Confidential
Information, or is otherwise lawful.

                  (h) Except as set forth on Schedule 2.11 of the Disclosure
Schedule, there are no actions that must be taken within sixty (60) days of the
Closing Date that, if not taken, will result in the loss of any of the
Intellectual Property, including the payment of any registration, maintenance or
renewal fees or the filing of any responses to PTO office actions, documents,
applications or certificates for the purposes of obtaining, maintaining,
perfecting or preserving or renewing any of the Intellectual Property.

                  (i) There is no restriction on the ability of Acquiror to
transfer the Intellectual Property to entities located outside of Italy.

                  (j) Pirelli shall promptly notify Cisco if it becomes aware
after the Closing Date of any fact that would make such patents invalid or
unenforceable or, if not yet issued, when such patents are issued, invalid or
unenforceable.

            2.12 Environmental Matters.

                  (a) The following terms shall be defined as follows:

                              (i)   "Environmental and Safety Laws" shall
      mean all applicable laws, ordinances, codes, regulations, rules, policies
      and orders that are intended to assure the protection of the environment,
      or that classify, regulate, call for the remediation of, require reporting
      with respect to, or list or define air, water, groundwater, solid waste,
      hazardous or toxic substances, materials, wastes, pollutants or
      contaminants, or which are intended to assure the safety of employees,
      workers or other persons, including the public.



                                       15
<PAGE>   21

                              (ii)  "Hazardous Materials" shall mean any
      toxic or hazardous substance, material or waste or any pollutant or
      contaminant, or infectious or radioactive substance or material, including
      without limitation, those substances, materials and wastes defined in or
      regulated under any Environmental and Safety Laws.

                              (iii) "Property" shall mean all real property
      leased or owned by, or otherwise used in the conduct of the business of,
      any of the POS Entities, either currently or in the past.

                              (iv)  "Facilities" shall mean all buildings and
      improvements on the Property.

                  (b) (i) to Pirelli's knowledge, no methylene chloride or
asbestos is contained in or has been used at or released from the Facilities
except in material compliance with all applicable Environmental and Safety Laws;
(ii) to Pirelli's knowledge, all Hazardous Materials have been disposed of in
accordance with all applicable Environmental and Safety Laws; (iii) no POS
Entity has received any notice (verbal or written) of any material noncompliance
of the Facilities or its past or present operations with Environmental and
Safety Laws; (iv) no administrative actions or suits are pending or, to
Pirelli's knowledge, threatened relating to a violation of any Environmental and
Safety Laws; (v) to Pirelli's knowledge, there have not been in the past, and
are not now, any Hazardous Materials on, under or migrating to or from the
Facilities or Property so as to give rise to any material liability under
applicable laws; (vi) to Pirelli's knowledge, there have not been in the past,
and are not now, any underground tanks or underground improvements at, on or
under the Property including without limitation, treatment or storage tanks,
sumps, or water, gas or oil wells except those placed and maintained in material
compliance with all applicable Environmental and Safety Laws; (vii) the
Facilities and the POS Entities' uses and activities therein have at all times
complied in all material respects with all Environmental and Safety Laws; (viii)
the Properties are not affected by any pollution or other negative environmental
conditions which, regardless of the source, would create the obligation for any
of the POS Entities or third parties to assume any material obligation of
clearance of the land or similar liability under Environmental and Safety Laws
or any other material liability towards third parties under the same laws; and
(ix) the POS Entities have all the material permits and licenses required to be
issued under all applicable laws regarding Environmental and Safety Laws and are
in material compliance with the terms and conditions of those permits and
licenses.

            2.13 Taxes. Each POS Entity, and any consolidated, combined, unitary
or aggregate group for Tax (as defined below) purposes of which any POS Entity
is or has been a member ("Tax Group"), have timely filed all material Tax
Returns required to be filed by them and have paid all Taxes shown thereon to be
due. Such Tax Returns are true, correct and complete in all material respects.
There is (i) no material claim for Taxes being asserted against any POS Entity
or with respect to the Contributed Business, (ii) no audit of any Tax Return of
any POS Entity being conducted by a Tax Authority, (iii) no extension of the
statute of limitations on the assessment of any Taxes granted by any POS Entity
currently in effect, (iv) no agreement, contract or arrangement to which any POS
Entity is a party that would result in the payment of any amount that would not
be deductible by reason of Section 280G of the U.S. Internal Revenue Code of
1986, as amended (the "Code") and (v) no material unpaid Tax for



                                       16
<PAGE>   22
which any of the POS Entities could be held liable as a transferee of the
Contributed Business or of other contributed assets or successor in interest of
Parent. No POS Entity is a party to any Tax sharing or Tax allocation agreement
nor does any POS Entity have any liability or potential liability to another
party under any such agreement. No POS Entity has ever been a member of a
consolidated, combined or unitary group for United States or Dutch Tax purposes.
The assets of the Contributed Business to POS Italy by Pirelli Cavi are recorded
in the Italian statutory book and also for corporate income tax purposes at fair
market value as a result of election by Pirelli Cavi of the Tax treatment
allowed by Article 1 d.lgs.n 358/1997 elected upon the contribution of the
Contributed Business to POS Italy. For purposes of this Agreement, the following
terms have the following meanings: "Tax" (and, with correlative meaning, "Taxes"
and "Taxable") means (i) any net income, alternative or add-on minimum tax,
gross income, gross receipts, sales, use, ad valorem, value added, capital,
transfer, franchise, profits, license, withholding, payroll, employment, social
security, registration, excise, severance, stamp, occupation, Pension Benefit
Guaranty Corporation, premiums, property, environmental or windfall profit tax,
custom, duty or other tax, governmental fee or other like assessment or charge
of any kind whatsoever, together with any interest or any penalty, addition to
tax or additional amount imposed by any governmental entity (a "Tax Authority")
responsible for the imposition of any such tax either in the United States or in
any non-United States jurisdiction, including (but not limited to) Italy, The
Netherlands, France and Germany, (ii) any liability for the payment of any
amounts of the type described in (i) as a result of being a member of an
affiliated, consolidated, combined or unitary group for any Taxable period, and
(iii) any liability for the payment of any amounts of the type described in (i)
or (ii) as a result of being a transferee of or successor to any person or as a
result of any express or implied obligation to indemnify any other person. As
used herein, "Tax Return" shall mean any return, statement, report or form
(including, without limitation, estimated tax returns and reports, withholding
tax returns and reports and information reports and returns) required to be
filed with respect to Taxes. The POS Entities have in their possession receipts
for any material amounts of Taxes paid to Tax authorities.

            2.14  Employee Benefit Plans.

                  (a) Schedule 2.14 of the Disclosure Schedule lists, with
respect to POSNA, (i) all material employee benefit plans (as defined in Section
3(3) of the Employee Retirement Income Security Act of 1974, as amended
("ERISA")), (ii) each loan to a non-officer employee in excess of U.S. $100,000,
loans to officers and directors and any stock option, stock purchase, phantom
stock, stock appreciation right, supplemental retirement, severance, sabbatical,
medical, dental, vision care, disability, employee relocation, cafeteria benefit
(Code section 125) or dependent care (Code Section 129), life insurance or
accident insurance plans, programs or arrangements, (iii) all bonus, pension,
profit sharing, savings, deferred compensation or incentive plans, programs or
arrangements, (iv) other fringe or employee benefit plans, programs or
arrangements that apply to senior management of POSNA and that do not generally
apply to all employees, and (v) any current or former employment or executive
compensation or severance agreements, written or otherwise, as to which
unsatisfied obligations of POSNA of greater than U.S. $100,000 remain for the
benefit of, or relating to, any present or former employee, consultant or
director of POSNA (together, the "Employee Plans").

                  (b) POSNA has furnished Acquiror a copy of each of the
Employee Plans and related plan documents (including trust documents, insurance
policies or contracts,



                                       17
<PAGE>   23

employee booklets, summary plan descriptions and other authorizing documents,
and any material employee communications relating thereto) and has, with respect
to each Employee Plan which is subject to ERISA reporting requirements, provided
copies of the Form 5500 reports filed for the last three plan years. Any
Employee Plan intended to be qualified under Section 401(a) of the Code has
either obtained from the Internal Revenue Service a favorable determination
letter as to its qualified status under the Code, including all amendments to
the Code effected by the Tax Reform Act of 1986 and subsequent legislation, or
has applied (or has time remaining in which to apply) to the Internal Revenue
Service for such a determination letter prior to the expiration of the
applicable remedial amendment period under applicable Treasury Regulations or
Internal Revenue Service pronouncements to apply for such determination letter
and to make any amendments necessary to obtain a favorable determination or has
been established under a standardized prototype plan for which an Internal
Revenue Service opinion letter has been obtained by the plan sponsor and is
valid as to the adopting employer. POSNA has also furnished Acquiror with the
most recent Internal Revenue Service determination or opinion letter issued with
respect to each such Employee Plan, and nothing has occurred since the issuance
of each such letter which could reasonably be expected to cause the loss of the
tax-qualified status of any Employee Plan subject to Code Section 401(a). POSNA
has furnished or made available to Acquiror all registration statements and
prospectuses if any prepared in connection with each Employee Plan.

            (c) (i) Except as set forth in Schedule 2.14(c) of the Disclosure
Schedule, none of the Employee Plans promises or provides retiree medical or
other retiree welfare benefits to any person other than as required under the
Consolidated Omnibus Budget Reconciliation Act of 1985 ("COBRA"); (ii) there has
been no "prohibited transaction," as such term is defined in Section 406 of
ERISA and Section 4975 of the Code, with respect to any Employee Plan, which
could reasonably be expected to have, in the aggregate, a Material Adverse
Effect on the POS Entities, taken as a whole; (iii) each Employee Plan has been
administered in all material respects in accordance with its terms and in
compliance with the requirements prescribed by any and all statutes, rules and
regulations (including ERISA and the Code), and each POS Entity has performed
all material obligations required to be performed by it under, is not in any
material respect in default under or violation of, and has no knowledge of any
material default or violation by any other party to, any of the Employee Plans;
(iv) no POS Entity or any trade or business (whether or not incorporated) which
is treated as a single employer with any POS Entity within the meaning of
Section 414(b), (c), (m) or (o) of the Code ("an ERISA Affiliate") is subject to
any liability or penalty under Sections 4976 through 4980 of the Code or Title I
of ERISA with respect to any of the Employee Plans; (v) all material
contributions required to be made by any POS Entity or ERISA Affiliate to any
Employee Plan have been made on or before their due dates and a reasonable
amount has been accrued for contributions to each Employee Plan for the current
plan years; (vi) with respect to each Employee Plan, no "reportable event"
within the meaning of Section 4043 of ERISA (excluding any such event for which
the thirty (30) day notice requirement has been waived under the regulations to
Section 4043 of ERISA) nor any event described in Section 4062, 4063 or 4041 or
ERISA has occurred; (vii) no Employee Plan is covered by, and no POS Entity or
ERISA Affiliate has incurred or expects to incur any liability under Title IV of
ERISA or Section 412 of the Code, other than PBGC premium payments or required
contributions under Title IV of ERISA or Section 412 of the Code; and (viii)
each Employee Plan provides that it can be amended, terminated or otherwise
discontinued after the Closing Date in accordance with its



                                       18
<PAGE>   24

terms, without liability to Acquiror (except as to benefits accrued and vested
thereunder prior to such amendment, termination or discontinuance and the
ordinary administrative expenses incurred in relation to such event). With
respect to each Employee Plan subject to ERISA as either an employee pension
plan within the meaning of Section 3(2) of ERISA or an employee welfare benefit
plan within the meaning of Section 3(1) of ERISA, the POS Entities have
materially complied with all applicable reporting and notice requirements. No
suit, administrative proceeding, action or other litigation has been brought, or
to the knowledge of Pirelli is threatened, against or with respect to any such
Employee Plan, including any audit or inquiry by any Taxing Authority or
Government Entity. No payment or benefit which will or may be made by any POS
Entity to any employee will be characterized as an "excess parachute payment"
within the meaning of Section 280G(b)(1) of the Code.

                  (d) Except as set forth in Schedule 2.14(d) of the Disclosure
Schedule, there has been no amendment to, written interpretation or announcement
(whether or not written) by any POS Entity relating to, or change in
participation or coverage under, any Employee Plan which would materially
increase the expense of maintaining such Plan above the level of expense
incurred with respect to that Plan for the most recent fiscal year included in
the Financial Statements.

                  (e) Except as set forth in Schedule 2.14(e) of the Disclosure
Schedule, no POS Entity sponsors, participates in or contributes to, nor has it
ever established, sponsored, participated in, or contributed to, any employee
pension benefit plan (within the meaning of Section 3(2) of ERISA) which is
subject to Part 3 of Subtitle B of Title I of ERISA, Title IV of ERISA or
Section 412 of the Code.

                  (f) POSNA is not a party to, nor has made any contribution to
or otherwise incurred any obligation to contribute to, any "multiemployer plan"
as defined in Section 3(37) of ERISA.

                  (g) Each compensation and benefit plan required to be
maintained or contributed to by the law or applicable custom or rule of the
relevant jurisdiction outside of the United States (the "Plans") is listed in
Schedule 2.14(g) of the Disclosure Schedule. As regards each such Plan, unless
disclosed in Schedule 2.14(g) of the Disclosure Schedule (i) each of the Plans
is in material compliance with the provisions of the laws of each jurisdiction
in which each such Plan is maintained, to the extent those laws are applicable
to the Plans; (ii) all material contributions to, and material payments from,
the Plans which may have been required to be made in accordance with the terms
of any such Plan, and, when applicable, the law of the jurisdiction in which
such Plan is maintained, have been timely made or shall be made by the Closing
Date, and all such contributions to the Plans, and all payments under the Plans,
for any period ending before the Closing Date that are not yet, but will be,
required to be made, are reflected as an accrued liability on the Balance Sheet,
or disclosed to Acquiror within fifteen (15) days following the date hereof in
Schedule 2.14(g) of the Disclosure Schedule; (iii) the POS Entities have
materially complied with all applicable reporting and notice requirements, and
all of the Plans have obtained from the governmental body having jurisdiction
with respect to such plans any required determinations, if any, that such Plans
are in compliance with the laws of the relevant jurisdiction if such
determinations are required in order to give effect to the Plan; (iv) each of
the Plans has been administered in all material respects at all times in
accordance with its



                                       19
<PAGE>   25

terms and applicable law and regulations; (v) to the knowledge of Pirelli, there
are no pending investigations by any governmental body involving the Plans, and
no pending claims (except for claims for benefits payable in the normal
operation of the Plans), suits or proceedings against any Plan or asserting any
rights or claims to benefits under any Plan; and (vi) subject to compliance with
Section 5.7(e), the consummation of the transactions contemplated by this
Agreement will not by itself create or otherwise result in any liability with
respect to any Plan other than the triggering of payment to participants.

            2.15 Certain Agreements Affected. Neither the execution and delivery
of this Agreement nor the consummation of the transactions contemplated hereby
will (i) result in any payment (including, without limitation, severance,
unemployment compensation, golden parachute, bonus or otherwise) becoming due to
any director or employee of any POS Entity, (ii) materially increase any
benefits otherwise payable by any POS Entity or (iii) result in the acceleration
of the time of payment or vesting of any such benefits except, in each case, as
provided by applicable laws or national collective bargaining agreements to
which the POS Entities are parties.

            2.16 Employee Matters. The personnel employed by the POS Entities
(including certain employees currently employed by entities other than the POS
Entities to be employed by the POS Entities prior to Closing) are specified in
Schedule 2.16 of the Disclosure Schedule together with the indication of level
and seniority of employment and relevant compensation, including, to the extent
readily available, any fringe benefits. An additional seven (7) employees listed
in Schedule 2.16 as Additional Staff Employees shall be transferred to the
Teroptics Systems Business prior to the Closing Date (the costs and liabilities
relating to such employees were not included in the Financial Statements and
will not be included in the Closing Balance Sheet) (the "Designated Employees").
The POS Entities are in compliance in all material respects with all currently
applicable laws and regulations respecting employment, discrimination in
employment, terms and conditions of employment, wages, hours and occupational
safety and health and employment practices, and are not engaged in any unfair
labor practice. Except as disclosed in Schedule 2.16 of the Disclosure Schedule,
the POS Entities have withheld all amounts required by law or by agreement to be
withheld from the wages, salaries, and other payments to employees; have filed
all declarations, returns and reports to be filed with respect to social
security and welfare laws and regulations and paid all relevant social and
welfare charges; and are not liable for any arrears of material wages or any
material Taxes or any material penalty for failure to comply in any material
respect with any of the foregoing. No POS Entity is liable for any material
payment to any trust or other fund or to any governmental or administrative
authority, with respect to unemployment compensation benefits, social security
or other benefits or obligations for employees (other than routine payments to
be made in the normal course of business and consistent with past practice).
There are no pending claims against any POS Entity under any workers
compensation plan or policy or for long term disability. There are no
controversies pending or, to the knowledge of Pirelli, threatened, between any
POS Entity and any of their respective employees, which controversies have or
could reasonably be expected to result in an action, suit, proceeding, claim,
arbitration or investigation before any agency, court or tribunal, foreign or
domestic. The transaction contemplated by this Agreement will not constitute a
termination event of any employment relationship with any of the POS Entities,
and will not trigger any specific right in favor of any of their employees
except as provided by applicable laws or national collective bargaining



                                       20
<PAGE>   26

agreements to which the POS entities are parties. No POS Entity is a party to
any collective bargaining agreement or other labor union contract, except for
POS Italy, POS France and POS Germany which are subject to the national
collective bargaining agreements. During the past 3 years the POS Entities have
suffered no material strikes or work stoppage by their employees except for
national strikes.

            2.17 Insurance. Pirelli has made available to Acquiror summaries of
all material policies of insurance to which any POS Entity is a party or by
which its assets or businesses are covered. There is no material claim pending
under any of such policies as to which coverage has been questioned, denied or
disputed by the underwriters of such policies. All premiums due and payable
under all such policies and bonds have been paid and the POS Entities are
otherwise in compliance in all material respects with the terms of such
policies.

            2.18 Compliance With Laws. Each POS Entity has complied with, is not
in violation of, and has not received any notices of violation with respect to,
any statute, law or regulation with respect to the conduct of its business, or
the ownership or operation of its business, except for such violations or
failures to comply as could not be reasonably expected to have a Material
Adverse Effect on the POS Entities, taken as a whole.

            2.19 Brokers' and Finders' Fees. Except for the fees and expenses of
Merrill Lynch International and Lazard Freres, none of the POS Entities, Parent,
Pirelli Cavi or Seller has incurred, nor will it incur, directly or indirectly,
any liability for brokerage or finders' fees or agents' commissions or
investment bankers' fees or any similar charges in connection with this
Agreement or any transaction contemplated hereby. The fees and expenses of
Merrill Lynch International and Lazard Freres will be paid by Seller.

            2.20 Inventory. The inventories (net of provisions for obsolete and
slow moving inventory) shown on the Financial Statements or thereafter acquired
by the POS Entities consisted of items of a quantity and quality consistent with
good business practices, all in accordance with the past practices consistently
applied. Since the Balance Sheet Date, the POS Entities have continued to
replenish inventories in a normal and customary manner consistent with past
practices. No POS Entity has received written or oral notice that it will
experience in the foreseeable future any difficulty in obtaining in the desired
quantity and quality and at a reasonable price and upon reasonable terms and
conditions the raw materials, supplies or component products required for the
manufacture, assembly or production of its products. The values at which
inventories are carried reflect the inventory valuation policy of the POS
Entities, which is consistent with past practice and in accordance with POS
Accounting Principles applied on a consistent basis. Since the Balance Sheet
Date, due provision was made on the books of the POS Entities in the ordinary
course of business consistent with past practices to provide for all
slow-moving, obsolete, or unusable inventories to their estimated useful or
scrap values. As of the date hereof, the POS Entities have no inventory in the
distribution channel and have no commitments to purchase inventory.

            2.21 Accounts Receivable. Subject to any reserves set forth in the
Financial Statements, the accounts receivable shown on the Financial Statements
represent bona fide claims against debtors for sales and other charges, and are
not subject to discount except for normal cash and immaterial trade discounts.
The amount carried for doubtful accounts and



                                       21
<PAGE>   27

allowances disclosed in the Financial Statements was calculated in accordance
with POS Accounting Principles and in a manner consistent with prior periods.

            2.22 Material Contracts. Except for the contracts and agreements
described in Schedule 2.22 of the Disclosure Schedule (collectively, the
"Material Contracts"), no POS Entity is a party to or bound by (and the
Contributed Business does not include) any material contract, including without
limitation:

                  (a) any distributor, sales, advertising, agency or
manufacturer's representative contract involving annual payments in excess of
U.S. $500,000.

                  (b) any contract which requires aggregate future payments by
or to any POS Entity of more than U.S. $500,000 which are not terminable by such
POS Entity on less than ninety (90) days' notice without penalty;

                  (c) any contract that expires or may be renewed at the option
of any person other than a POS Entity so as to expire more than one year after
the date of this Agreement;

                  (d) any trust indenture, mortgage, promissory note, loan
agreement or other contract for the borrowing of money, any currency exchange,
commodities or other hedging arrangement or any leasing transaction of the type
required to be capitalized in accordance with Pirelli Accounting Principles;

                  (e) any contract for capital expenditures in excess of U.S.
$500,000;

                  (f) any contract limiting the freedom of any POS Entity to
engage in any line of business or to compete with any other person, or any
confidentiality, secrecy or non-disclosure contract entered other than in the
ordinary course of business;

                  (g) any contract pursuant to which any POS Entity is a lessor
of any machinery, equipment, motor vehicles, office furniture, fixtures or other
personal property involving, in the case of any such contract, more than U.S.
$500,000 annually;

                  (h) any contract with any director or officer; or

                  (i) any agreement of guarantee, support, indemnification,
assumption or endorsement of, or any similar commitment with respect to, the
obligations, liabilities (whether accrued, absolute, contingent or otherwise) or
indebtedness of any other person other than indemnification entered into in the
ordinary course consistent with past practice.

            2.23 No Breach of Material Contracts. All Material Contracts are in
written form. Each POS Entity has performed in all material respects all of the
obligations required to be performed by it and is entitled to all benefits
under, and is not, to the knowledge of Pirelli, alleged to be in material
default in respect of any Material Contract. Each of the Material Contracts is
in full force and effect, and there exists no material default or event of
default or event, occurrence, condition or act, with respect to any POS Entity
or to Parent and Seller's knowledge with respect to the other contracting party,
which, with the giving of notice, the lapse



                                       22
<PAGE>   28

of the time or the happening of any other event or conditions, would reasonably
be expected to become a material default or event of default under any Material
Contract. True, correct and complete copies of all Material Contracts have been
delivered to Acquiror.

            2.24 Third Party Consents. Schedule 2.24 of the Disclosure Schedule
lists all Material Contracts of the POS Entities that require a novation or
consent to assignment, as the case may be, prior to the Closing Date as a result
of the transactions contemplated hereby.

            2.25 Material Third Party Consents. Schedule 2.25 of the Disclosure
Schedule sets forth every contract which, if no novation occurs to make Acquiror
a party thereto or if no consent to assignment is obtained, would have a
material adverse effect on Acquiror's ability to operate the business in the
same manner as the business was operated by the POS Entities prior to the
Closing Date.

            2.26 Year 2000. Except as a result of errors or "bugs" contained in
data that is generated by third parties and processed by the POS Entities'
products, none of the products and services sold, licensed, rendered, or
otherwise provided by any POS Entity in the conduct of its business will
malfunction, will cease to function, will generate materially incorrect data or
will produce materially incorrect results and will not directly cause any of the
above with respect to the property or business of third parties using such
products or services when processing, providing or receiving (i) date-related
data from, into and between the Twentieth (20th) and Twenty-First (21st)
centuries, or (ii) date-related data in connection with any valid date in the
Twentieth (20th) and Twenty-First (21st) centuries. Other than certifications as
to Year 2000 compliance given to customers in the ordinary course, no POS Entity
has made any representations or warranties specifically relating to the ability
of any product or service sold, licensed, rendered, or otherwise provided by any
POS Entity in the conduct of its business to operate without malfunction, to
operate without ceasing to function, to generate correct data or to produce
correct results when processing, providing or receiving (i) date-related data
from, into and between the Twentieth (20th) and Twenty-First (21st) centuries,
and (ii) date-related data in connection with any valid date in the Twentieth
(20th) and Twenty-First (21st) centuries.

            2.27 Registration Statement; Prospectus. The information supplied by
Pirelli for inclusion in the registration statement on Form S-3 (or such other
or successor form as shall be appropriate) pursuant to which the shares of Cisco
Common Stock to be issued hereunder will be registered with the SEC for resale
(the "Registration Statement") shall not at the time the Registration Statement
(including any amendments or supplements thereto) is declared effective by the
SEC contain any untrue statement of a material fact or omit to state any
material fact required to be stated therein or necessary in order to make the
statements therein, in light of the circumstances under which they were made,
not misleading. If at any time prior to the Closing any event or information
should be discovered by Pirelli which should be set forth in an amendment to the
Registration Statement Pirelli shall promptly inform Cisco.

            2.28 Teroptics Systems Business. Except as set forth in Schedule
2.28, all assets owned or held by Pirelli for use in the Teroptics Systems
Business (other than those described in the Shared Services Agreement) are now
owned or held by the POS Entities.



                                       23
<PAGE>   29

            2.29 Submarine and Components Business. All assets and liabilities
relating to Components and Devices (as such terms are defined in the IPR
Agreement) and submarine optic devices (the "Submarine and Components Business")
have been or will be, prior to the Closing, transferred out of the POS Entities
pursuant to the Carve-Out Agreement in the form attached hereto as Exhibit E.

            2.30 Securities Act. Parent and Seller are acquiring the shares of
Cisco Common Stock solely for the purpose of investment and not with a view to,
or for sale in connection with, any distribution thereof in violation of the
Securities Act. Parent and Seller acknowledge that the shares are not registered
under the Securities Act or any applicable state securities law, and that such
shares may not be transferred or sold except pursuant to the registration
provisions of the Securities Act or pursuant to an applicable exemption
therefrom and pursuant to state securities laws and regulations as applicable.


                                   ARTICLE III

              REPRESENTATIONS AND WARRANTIES OF CISCO AND ACQUIROR

            Cisco and Acquiror represent and warrant to Parent and Seller as
follows:

            3.1 Organization, Standing and Power. Each of Cisco and Acquiror is
a corporation duly organized, validly existing and in good standing under the
laws of its jurisdiction of organization. Each of Cisco and Acquiror has the
corporate power to own its properties and to carry on its business as now being
conducted and as proposed to be conducted and is duly qualified to do business
and is in good standing in each jurisdiction in which the failure to be so
qualified and in good standing would have a Material Adverse Effect on Cisco or
Acquiror. The Cisco Common Stock to be issued pursuant to this Agreement will be
duly authorized, validly issued, fully paid and nonassessable.

            3.2 Authority. Each of Cisco and Acquiror has all requisite
corporate power and authority to execute and deliver this Agreement and each of
the Transaction Documents to which it is a party and to consummate the
transactions contemplated hereby and thereby. The execution and delivery of this
Agreement, each of the Transaction Documents to which Cisco or Acquiror is a
party and the consummation of the transactions contemplated hereby and thereby
have been duly authorized by all necessary corporate action on the part of Cisco
and Acquiror and no other corporate proceedings on the part of Cisco or Acquiror
are necessary to authorize this Agreement, any Transaction Document to which
Cisco or Acquiror is a party or to consummate the transactions contemplated
hereby or thereby. This Agreement and each of the Transaction Documents to which
it is a party have been duly executed and delivered by Cisco and Acquiror and
constitute the valid and binding obligations of Cisco and Acquiror enforceable
against Cisco and Acquiror in accordance with their respective terms, except to
the extent enforceability may be limited by applicable bankruptcy,
reorganization, moratorium or other laws affecting the enforcement of creditor's
rights generally and by general principles of equity, regardless of whether such
enforceability is considered in a proceeding at law or equity. The execution and
delivery of this Agreement and each of the Transaction Documents to which
Acquiror or Cisco is a party do not, and the consummation of the transactions
contemplated




                                       24
<PAGE>   30
hereby and thereby will not, conflict with, or result in any violation of, or
default under (with or without notice or lapse of time, or both), or give rise
to a right of termination, cancellation or acceleration of any obligation or
loss of a benefit under (i) any provision of the Articles of Incorporation or
Bylaws (or equivalent organizational documents) of Cisco or Acquiror, as
amended, or (ii) any material mortgage, indenture, lease, contract or other
agreement or instrument to which Cisco or Acquiror is a party or by which it or
its assets are bound or (c) any material permit, concession, franchise, license,
judgment, order, decree, statute, law, ordinance, rule or regulation applicable
to Cisco or Acquiror or its properties or assets. No consent, approval, order or
authorization of, or registration, declaration or filing with, any Governmental
Entity is required by or with respect to Cisco or Acquiror in connection with
the execution and delivery of this Agreement by Cisco or Acquiror or the
consummation by Acquiror of the transactions contemplated hereby, except for (i)
the filing of a Form 8-K with the SEC and National Association of Securities
Dealers ("NASD") within 15 days after the Closing Date, (ii) the filing of a
registration statement on Form S-3 with the SEC covering the resale of the
shares of Cisco Common Stock issued hereunder, (iii) any filings as may be
required under applicable state securities laws and the securities laws of any
foreign country, (iv) such filings as may be required under HSR and other
Antitrust Laws (as defined herein), (v) the filing with the Nasdaq Stock Market
of a Notification Form for Listing of Additional Shares with respect to the
shares of Cisco Common Stock issued hereunder and (vi) such other consents,
authorizations, filings, approvals and registrations which, if not obtained or
made, would not have a Material Adverse Effect on Cisco or Acquiror and would
not prevent, materially alter or delay any of the transactions contemplated by
this Agreement.

            3.3 SEC Documents; Financial Statements. Cisco has made available to
Pirelli each statement, report, registration statement (with the prospectus in
the form filed pursuant to Rule 424(b) of the Securities Act), definitive proxy
statement, and other filings filed with the SEC by Cisco since July 31, 1999,
(collectively, the "SEC Documents"). In addition, Cisco has made available to
Pirelli all exhibits to the SEC Documents filed prior to the date hereof, and
will promptly make available to Pirelli all exhibits to any additional SEC
Documents filed prior to the Closing Date As of their respective filing dates,
the SEC Documents complied in all material respects with the requirements of the
Exchange Act and the Securities Act, and none of the SEC Documents contained any
untrue statement of a material fact or omitted 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 Cisco, including the notes thereto, included in the SEC Documents (the "Cisco
Financial Statements") were complete and correct in all material respects as of
their respective dates, complied as to form in all material respects with
applicable accounting requirements and with the published rules and regulations
of the SEC with respect thereto as of their respective dates, and have been
prepared in accordance with US GAAP applied on a basis consistent throughout the
periods indicated and consistent with each other (except as may be indicated in
the notes thereto or, in the case of unaudited statements included in Quarterly
Reports on Form 10-Q, as permitted by Form 10-Q of the SEC). The Cisco Financial
Statements fairly present the consolidated financial condition and operating
results of Cisco and its subsidiaries at the dates and during the periods
indicated therein (subject, in the case of unaudited statements, to normal,
recurring year-end adjustments).



                                       25
<PAGE>   31

            3.4 Absence of Undisclosed Liabilities. Cisco has no material
obligations or liabilities of any nature (matured or unmatured, fixed or
contingent) other than (i) those set forth or adequately provided for in the
Balance Sheet or in the related Notes to Consolidated Financial Statements
included in Cisco's Quarterly Report on Form 10-Q for the quarter ended October
30, 1999 (the "Cisco Balance Sheet"), (ii) those disclosed in SEC documents
filed subsequent to such Quarterly Report on Form 10-Q for the quarter ended
October 30, 1999, (iii) those incurred in the ordinary course of business and
not required to be set forth in the Cisco Balance Sheet under US GAAP, and (iv)
those incurred in the ordinary course of business since the Cisco Balance Sheet
Date and consistent with past practice.

            3.5 Broker's and Finders' Fees. Except for the fees and expenses of
Goldman Sachs & Co. Inc., neither Cisco nor Acquiror has incurred, nor will it
incur, directly or indirectly, any liability for brokerage or finders' fees or
agents' commissions or investment bankers' fees or any similar charges in
connection with this Agreement or any transaction contemplated hereby. The fees
and expenses of Goldman Sachs & Co. Inc. will be paid by Cisco.

            3.6 Registration Statement; Prospectus. The information supplied by
Cisco for inclusion in the Registration Statement shall not, at the time the
Registration Statement (including any amendments or supplements thereto) is
declared effective by the SEC contain any untrue statement of a material fact or
omit to state any material fact necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading. If at any time prior to the Closing Date any event or information
should be discovered by Cisco which should be set forth in an amendment to the
Registration Statement, Cisco will promptly inform Pirelli. Notwithstanding the
foregoing, Cisco makes no representation, warranty or covenant with respect to
any information supplied by Pirelli or any third party which is contained in any
of the foregoing documents.

            3.7 Representations and Warranties Complete. Cisco and Acquiror have
not relied on any other representations or warranties, whether express or
implied, of Pirelli with respect to the transactions contemplated hereby except
as expressly set forth herein.


                                   ARTICLE IV

                        CONDUCT PRIOR TO THE CLOSING DATE

            4.1 Conduct of Business of the POS Entities. During the period from
the date of this Agreement and continuing until the Closing Date, Parent,
Pirelli Cavi and Seller will cause each POS Entity (except to the extent
expressly contemplated by this Agreement or as consented to in writing by
Acquiror), to (i) carry on its business in the usual, regular and ordinary
course in substantially the same manner as heretofore conducted, (ii) pay debts
and Taxes when due subject to good faith disputes over such debts or Taxes,
(iii) pay or perform other obligations when due subject to good faith disputes
over such obligations, and (iv) use all commercially reasonable efforts
consistent with past practice and policies to preserve intact its properties,
assets and business organizations, keep available the services of its officers
and employees and preserve its relationships with customers, suppliers,
distributors, licensors, licensees, and others having business dealings with it,
to the end that its goodwill and ongoing



                                       26
<PAGE>   32

businesses shall be unimpaired at the Closing Date; provided, however, that
nothing herein shall restrict the transfer of the Submarine and Components
Business as described in the Carve-Out Agreement. Parent, Pirelli Cavi and
Seller agree to promptly notify Acquiror of any event or occurrence not in the
ordinary course of business, and of any event which could reasonably be expected
to have a Material Adverse Effect on any POS Entity.

            4.2 Restriction on Conduct of Business of POS Entities. During the
period from the date of this Agreement and continuing until the Closing Date,
except as expressly set forth in this Agreement, the Transaction Documents or
the Disclosure Schedule, Parent, Pirelli Cavi and Seller shall not allow any of
the POS Entities to do, cause or permit any of the following, without the prior
written consent of Acquiror:

                  (a) Charter Documents. Amend its Memorandum, Articles of
Association or Bylaws (or other comparable governing document);

                  (b) Dividends; Changes in Capital Stock. Declare or pay any
dividends on or make any other distributions (whether in cash, stock or
property) in respect of any of its capital stock, or split, combine or
reclassify any of its capital stock or issue or authorize the issuance of any
other securities in respect of, in lieu of or in substitution for shares of its
capital stock, or repurchase or otherwise acquire, directly or indirectly, any
shares of its capital stock;

                  (c) Material Contracts. Enter into any material contract or
commitment, or violate, amend or otherwise modify or waive any of the terms of
any of its Material Contracts; provided however, that, in any event, no POS
Entity shall enter into any manufacturing agreement or any agreement or
commitment for the purchase of products or supplies in an amount in excess of
U.S. $250,000 in any one case or U.S. $500,000 in the aggregate;

                  (d) Issuance of Securities. Issue, deliver or sell or
authorize or propose the issuance, delivery or sale of, or purchase or propose
the purchase of, any shares of its capital stock or securities convertible into,
or subscriptions, rights, warrants or options to acquire, or other agreements or
commitments of any character obligating it to issue any such shares or other
convertible securities;

                  (e) Intellectual Property. Transfer or license to any person
or entity any rights to its Intellectual Property other than the license of
non-exclusive rights in the ordinary course of business consistent with past
practice;

                  (f) Exclusive Rights. Enter into or amend any agreements
pursuant to which any other party is granted exclusive marketing or other
exclusive rights of any type or scope with respect to any of its products or
technology;

                  (g) Dispositions. Sell, lease, license or otherwise dispose of
or encumber any of its properties or assets which are material, individually or
in the aggregate, to its business, except for sales of products in the ordinary
course of business consistent with past practice;



                                       27
<PAGE>   33

                  (h) Indebtedness. Incur any indebtedness for borrowed money or
guarantee any such indebtedness or issue or sell any debentures or debt
securities or guarantee any debt securities of others, in each case other than
in the ordinary course but in no event in excess of U.S. $500,000;

                  (i) Leases. Enter into any operating lease in excess of U.S.
$500,000 of total obligations;

                  (j) Payment of Obligations. Pay, discharge or satisfy in an
amount in excess of U.S. $250,000 in any one case or U.S. $500,000 in the
aggregate, any claim, liability or obligation (absolute, accrued, asserted or
unasserted, contingent or otherwise) arising other than in the ordinary course
of business other than the payment, discharge or satisfaction of liabilities
reflected or reserved against in the Financial Statements;

                  (k) Capital Expenditures. Make any capital expenditures,
capital additions or capital improvements in excess of U.S. $1,000,000;

                  (l) Insurance. Materially reduce the amount of any insurance
coverage provided by existing insurance policies covering the POS Entities;

                  (m) Termination or Waiver. Terminate or waive any material
right other than in the ordinary course;

                  (n) Employee Benefit Plans; New Hires; Pay Increases. Adopt or
amend any employee benefit or stock purchase or option plan, or hire any new
director level or officer level employee (other than the recruitment of a U.S.
marketing manager for POSNA), pay any special bonus or special remuneration to
any employee or director or, other than in connection with scheduled performance
reviews, in the ordinary course of business consistent with past practices,
increase the salaries or wage rates of its employees, except for increases in
compensation and benefits required by law or national collective agreements;

                  (o) Severance Arrangements. Grant any severance or termination
pay (i) to any director or officer or (ii) to any other employee except payments
made pursuant to written agreements outstanding on the date hereof or in the
ordinary course provided that any amounts are accrued for in the Closing Balance
Sheet to be prepared pursuant to Section 1.8;

                  (p) Lawsuits. Commence a material lawsuit other than (i) for
the routine collection of bills, (ii) in such cases where it in good faith
determines that failure to commence suit would result in the material impairment
of a valuable aspect of its business, provided that it consults with Acquiror
prior to the filing of such a suit, (iii) for a breach of this Agreement or any
of the exhibits hereto or (iv) as a counterclaim to a lawsuit commenced against
it;

                  (q) Acquisitions. Acquire or agree to acquire by merging or
consolidating with, or by purchasing material assets of, or by any other manner,
any business or any corporation, partnership, association or other business
organization or division thereof;



                                       28
<PAGE>   34

                  (r) Taxes. Other than in the ordinary course of business, make
or change any material election in respect of Taxes, adopt or change any
material accounting method in respect of Taxes, file any material Tax Return or
any material amendment to a material Tax Return, enter into any material closing
agreement, settle any material claim or material assessment in respect of Taxes,
or consent to any material extension or waiver of the limitation period
applicable to any claim or assessment in respect of Taxes;

                  (s) Revaluation. Revalue any of its assets, including without
limitation writing down the value of inventory or writing off notes or accounts
receivable other than in the ordinary course of business; or

                  (t) Other. Take or agree in writing or otherwise to take, any
of the actions described in Sections 4.2(a) through (s) above, or any action
which would make any of its representations or warranties contained in this
Agreement untrue or incorrect or prevent it from performing or cause it not to
perform its covenants hereunder.


                                    ARTICLE V

                              ADDITIONAL AGREEMENTS

            5.1 Access to Information.

                  (a) Pirelli shall cause each of the POS Entities to (i) afford
Acquiror and its accountants, counsel and other representatives, reasonable
access during normal business hours during the period prior to the Closing Date
to all of the POS Entities' facilities, properties, books, Tax Returns (and
other records and workpapers relating to Taxes), contracts, commitments and
records, and all other information concerning the business, properties and
personnel of the POS Entities as Acquiror may reasonably request (ii) permit
Acquiror to make such inspections (during normal business hours) thereof as
Acquiror may reasonably request; (iii) cause its officers to furnish Acquiror
with such financial and operating data and other information with respect to the
business and properties of the POS Entities as Acquiror may from time to time
reasonably request; and (iv) permit an authorized representative of Acquiror to
have access to appropriate personnel of any POS Entity as well as the offices
and other facilities and properties of the POS Entities for the purpose of
reviewing and observing the day to day financial and accounting functions of the
POS Entities; provided, however, that any such access shall be conducted at a
reasonable time and in such a manner as to not interfere unreasonably with the
operations of the business of any of the POS Entities. All such information and
access shall be subject to the terms and conditions of the Confidentiality
Agreement (as such term is defined below).

                  (b) Subject to compliance with applicable law, from the date
hereof until the Closing Date, each of Cisco, Acquiror, Parent and Seller shall
confer on a regular and frequent basis with one or more representatives of the
other parties to report operational matters of materiality and the general
status of ongoing operations.

                  (c) No information or knowledge obtained in any investigation
pursuant to this Section 5.1 shall affect or be deemed to modify any
representation or warranty



                                       29
<PAGE>   35

contained herein or the conditions to the obligations of the parties to
consummate the transactions contemplated hereby.

                  (d) For a period of eight years after the Closing Date, upon
reasonable written notice, Acquiror will give or cause to be given to Seller and
its authorized representatives, reasonable access to such information relating
to the POS Entities prior to the Closing Date as is reasonably necessary for the
preparation or filing of any Tax Return, financial statement or report;
provided, however, that any such access shall be conducted at a reasonable time
and in such a manner as not to interfere unreasonably with the operations of the
business of Cisco, Acquiror or any of the POS Entities.

            5.2 Confidentiality. The parties acknowledge that Cisco and Pirelli
have previously executed a non-disclosure agreement (the "Confidentiality
Agreement"), which Confidentiality Agreement shall continue in full force and
effect in accordance with its terms. In addition, the parties agree that the
terms and conditions of the transactions contemplated hereby and information
exchanged in connection with the execution hereof shall be subject to the same
standard of confidentiality as set forth in the Confidentiality Agreement.

            5.3 Public Disclosure. Unless otherwise permitted by this Agreement,
Cisco, Acquiror, Parent, Pirelli Cavi and Seller shall consult with each other
before issuing any press release or otherwise making any public statement or
making any other public (or non-confidential) disclosure (whether or not in
response to an inquiry) regarding the terms of this Agreement and the
transactions contemplated hereby, and neither shall issue any such press release
or make any such statement or disclosure without the prior approval of the other
(which approval shall not be unreasonably withheld), except as may be required
by law or by any stock exchange or the NASD.

            5.4 Consents; Cooperation.

                  (a) Each of Cisco, Acquiror, Parent, Pirelli Cavi and Seller
shall promptly apply for or otherwise seek, and use its commercially reasonable
efforts to obtain, all consents, approvals, authorizations or permits required
to be obtained by it for the consummation of the transactions contemplated
herein, including those required under HSR. Each of Parent, Pirelli Cavi and
Seller shall use its commercially reasonable efforts to obtain all necessary
consents, waivers and approvals under any of its or the POS Entities' material
contracts in connection with the transactions contemplated hereby. The parties
hereto will consult and cooperate with one another, and consider in good faith
the views of one another, in connection with any analyses, appearances,
presentations, memoranda, briefs, arguments, opinions and proposals made or
submitted by or on behalf of any party hereto in connection with proceedings
under or relating to HSR or any other federal, state or foreign antitrust or
fair trade law.

                  (b) Each of Cisco, Acquiror, Parent, Pirelli Cavi and Seller
shall use all commercially reasonable efforts to resolve such objections, if
any, as may be asserted by any Governmental Entity with respect to the
transactions contemplated by this Agreement under the HSR, the Sherman Act, as
amended, the Clayton Act, as amended, the Federal Trade Commission Act, as
amended, and any other Federal, state or foreign statutes, rules, regulations,
orders or decrees that are designed to prohibit, restrict or regulate actions
having the purpose or



                                       30
<PAGE>   36

effect of monopolization or restraint of trade (collectively, "Antitrust Laws").
In connection therewith, if any administrative or judicial action or proceeding
is instituted (or threatened to be instituted) challenging any transaction
contemplated by this Agreement as violative of any Antitrust Law, each of Cisco,
Acquiror, Parent and Seller shall cooperate and use all commercially reasonable
efforts vigorously to contest and resist any such action or proceeding and to
have vacated, lifted, reversed, or overturned any decree, judgment, injunction
or other order, whether temporary, preliminary or permanent (each an "Order"),
that is in effect and that prohibits, prevents, or restricts consummation of the
transactions contemplated hereby, unless by mutual agreement Cisco, Acquiror,
Parent and Seller decide that litigation is not in their respective best
interests. Notwithstanding the provisions of the immediately preceding sentence,
it is expressly understood and agreed that neither party shall have any
obligation to litigate or contest any administrative or judicial action or
proceeding or any Order beyond the earlier of (i) April 1, 2000 or (ii) the date
of a ruling preliminarily enjoining the transactions contemplated hereby issued
by a court of competent jurisdiction. Each of Cisco, Acquiror, Parent and Seller
shall use all commercially reasonable efforts to take such action as may be
required to cause the expiration of the notice periods under the HSR or other
Antitrust Laws with respect to such transactions as promptly as possible after
the execution of this Agreement.

                  (c) Notwithstanding anything to the contrary in Section 5.4(a)
or (b), (i) Neither Cisco nor Acquiror shall be required to divest any of its or
its subsidiaries businesses, product lines or assets, or to take or agree to
take any other action or agree to any limitation that could reasonably be
expected to have a Material Adverse Effect on Acquiror or of the POS Entities
after the Closing Date and (ii) neither Parent nor Seller shall be required to
divest any of their respective businesses, product lines or assets, or to take
or agree to take any other action or agree to any limitation that could
reasonably be expected to have a Material Adverse Effect on Parent or Seller.

            5.5 Legal Requirements. Each of Cisco, Acquiror, Parent, Pirelli
Cavi and Seller will, and will cause their respective subsidiaries to, take all
reasonable actions necessary to comply in all material respects promptly with
all legal requirements which may be imposed on them with respect to the
consummation of the transactions contemplated by this Agreement and will
promptly cooperate with and furnish information to any party hereto necessary in
connection with any such requirements imposed upon such other party in
connection with the consummation of the transactions contemplated by this
Agreement and will take all reasonable actions necessary to obtain (and will
cooperate with the other parties hereto in obtaining) any consent, approval,
order or authorization of, or any registration, declaration or filing with, any
Governmental Entity or other person, required to be obtained or made by them in
connection with the taking of any action contemplated by this Agreement.

            5.6 Listing of Additional Shares. Prior to the Closing Date, Cisco
shall file with the Nasdaq Stock Market a Notification Form for Listing of
Additional Shares with respect to the shares of Cisco Common Stock issuable
hereunder.

            5.7 Employees.

                  (a) Set forth on Schedule 5.7 of the Disclosure Schedule is a
list of employees of the POS Entities to whom Cisco will make an offer of
employment pursuant to an



                                       31
<PAGE>   37

Employment and Non-Competition Agreement, substantially in the form of Exhibit F
hereto. Acquiror will negotiate in good faith to enter into such an agreement
with the employees listed on Schedule 5.7. Seller shall cooperate with Cisco to
assist Cisco in entering into such an agreement with such employees.

                  (b) All employees of the Teroptics Business employed in the
U.S. (the "U.S. Employees"), excluding any such employee on long-term
disability, shall be transferred to POSNA immediately prior to the Closing Date.

                  (c) Effective as of the Closing Date, Cisco shall adopt or
cause POSNA to adopt for the U.S. Employees employee benefit plans and policies
substantially similar to those employee benefit plans and policies maintained
for similarly situated employees of Cisco. Cisco will credit or cause the POS
Entities to credit employees of POS Entities on the Closing Date ("POS
Employees") with service credit for their period of employment with the POS
Entities (or with their affiliates) for eligibility and vesting purposes under
any Cisco group health plan under ERISA or that is qualified under Section
401(a) of the Code. Each U.S. Employee shall be credited with any accrued, but
unused vacation as of the Closing Date under Cisco's vacation policy.
Notwithstanding the foregoing, Cisco shall pay the U. S. Employees as soon as
administratively possible following the Closing Date any accrued, but unused
vacation as of the Closing Date that exceeds the maximum number of weeks that
may be accrued under Cisco's vacation policy. Cisco shall and shall cause the
POS Entities to waive all pre-existing condition exclusions with respect to
group health plans maintained for the benefit of POS Employees (to the extent
such pre-existing conditions were satisfied prior to the Closing Date under the
POS Entities' group health plans) and provide for the credit to each such POS
Employee with all deductible payments and co-payments paid by such employee
under the POS Entities' group health plans prior to the Closing Date during the
current year for purposes of determining the extent to which any such employee
has satisfied any deductible or maximum out-of-pocket limitation under such plan
for such plan year.

                  (d) Coverage of U.S. Employees under ERISA employee plans
maintained by any affiliates of POSNA for the benefit of U.S. Employees (each an
"ERISA Plan") shall terminate as of the Closing Date. POSNA's sole obligation
with respect to ERISA Plans shall be to pay any contributions or premiums with
respect to coverage of U.S. Employees through the Closing Date consistent with
past practice and for benefits accrued or claims incurred through the Closing
Date with respect to short-term disability and vision care.

                  (e) Cisco shall or shall cause the POS Entities with respect
to POS employees employed outside of the U.S. to continue to maintain all
benefit plans and arrangements in effect at the Closing Date in accordance with
their terms and any applicable collective agreements and statutory schemes.
Nothing herein shall prevent Cisco from terminating such plans and arrangements
on or after the Closing Date.

                  (f) Parent and Seller shall indemnify and hold harmless Cisco,
Acquiror and POSNA with respect to any liability arising under any benefit plan
subject to Title IV of ERISA or any retiree medical plan maintained by any
entity within the controlled group of POSNA immediately prior to the Closing
Date, other than with respect to contributions to any such plan as set forth in
(d) above.



                                       32
<PAGE>   38

                  (g) Cisco shall indemnify and hold harmless Pirelli with
respect to any liability under the May 1995 POSNA Severance Compensation Plan as
it relates to those former Pirelli employees that Cisco may terminate within six
months of the Closing Date.

            5.8 Proprietary Information. All information (i) about the
Contributed Business and the POS Entities, including without limitation, the
identity of the POS Entities' customers and suppliers, and all of the POS
Entities' internal procedures and processes, costs, materials, special customer
requirements, pricing techniques, business plans, and operational procedures and
policies; and (ii) about any Intellectual Property is referred to herein as
"Proprietary Information." Proprietary Information shall not include, however,
information which is or becomes generally available to the public other than as
a result of a disclosure by Pirelli or their directors, officers, employees,
agents and advisors (including, without limitation, financial advisors,
attorneys and accountants) (collectively "Representatives"), as required by law
or a court or regulatory authority or which becomes publicly available other
than by a breach of Pirelli of this Agreement. Unless otherwise agreed to in
writing by Acquiror, Parent and Seller shall keep all Proprietary Information
confidential, shall not disclose or reveal any Proprietary Information to any
person and shall not use Proprietary Information for any purpose except for
Proprietary Information relating to the Submarine and Components Business.
Parent and Seller shall be responsible for any breach of the terms of this
provision by it or its Representatives. The provisions of this Section shall
survive the Closing indefinitely.

            5.9 Covenants Regarding Employees and Covenant Not to Interfere,
Compete or Solicit Business.

                  (a) Pirelli hereby agrees that, commencing on the date hereof,
neither it nor any of its affiliates shall induce or encourage, or assist others
to induce or encourage, any current employee of any of the POS Entities to
decline an employment arrangement with Acquiror, or interfere in any manner with
the relationship between such POS Entity and such employee and Pirelli hereby
agrees that for a period of two years from the Closing Date, neither it nor any
of its affiliates shall induce or encourage, or assist others to induce or
encourage, any current employee of any of the POS Entities, if such employee is
hired by Acquiror, to leave Acquiror's employ, whether to accept a position with
it or an entity related to or affiliated with it or otherwise. Each of Cisco and
Acquiror hereby agrees that, commencing on the date hereof, neither it nor any
of its affiliates shall induce or encourage, any current employee of the
Submarine and Components Business to decline an employment arrangement with
Seller or interfere in any manner with the relationship between such business
and such employee, and each of Cisco and Acquiror hereby agrees that for a
period of two years from the Closing Date, neither it nor any of its affiliates
shall induce or encourage, any current employee of the Submarine and Components
Business, if such employee is hired by Seller, to leave Seller's employ, whether
to accept a position with it or any entity related to or affiliated with it or
otherwise. The provisions of this Section 5.9(a) shall survive the Closing for a
period of two years.

                  (b) Pirelli hereby agrees that commencing on the date hereof
and ending on the second anniversary of the Closing Date, neither it nor any of
its affiliates shall directly or indirectly in any manner whatsoever induce or
assist others to induce any supplier of any POS Entity to terminate its
association with such entity or do anything, directly or indirectly,



                                       33
<PAGE>   39

to interfere with the business relationship between a POS Entity and any of its
current or prospective suppliers. Cisco and Acquiror hereby agree that
commencing on the date hereof and ending on the second anniversary of the
Closing Date, neither it nor any of its affiliates shall directly or indirectly
in any manner whatsoever induce or assist others to induce any supplier of the
Submarine and Components Business to terminate its association with such entity
or do anything, directly or indirectly, to interfere with the business
relationship between such Business and any of its current or prospective
suppliers, except as otherwise set forth in agreements between Cisco and
Pirelli.

                  (c) In furtherance of the sale of the Shares to Acquiror and
more effectively to protect the business and good will of the POS Entities, upon
the consummation of the transactions contemplated hereby, Pirelli agrees that,
for a period commencing on the Closing Date and ending on the third annual
anniversary of the Closing Date, it and its affiliates will not: directly or
indirectly (whether as an employer, employee, partner, stockholder, consultant,
investor, director, representative or otherwise) anywhere within the world own,
manage, operate, control or be employed by, participate in, consult with, or be
otherwise connected in any manner with the ownership, management or operation of
any business involving the Teroptics Systems Business (the "Covered
Activities"). Notwithstanding the foregoing, nothing herein shall restrict
Pirelli or its affiliates from (i) owning, solely for investment purposes up to
five percent of any class of securities of any person engaged in the Covered
Activities, (ii) engaging and operating the Submarine and Components Business,
or any of the other existing businesses of Pirelli and its affiliates (other
than the Teroptics Systems Business), including without limitation, the business
of purchasing, reselling, installing, maintaining and servicing products
manufactured, distributed and sold by the Teroptics Systems Business or by any
competitor of the Teroptics Systems Business as part of a turn key project or
other project in which Pirelli or any of its affiliates is the manager or
contractor and (iii) acquiring or owning, or managing or controlling any
business whose annual sales from products included in the Covered Activities
represent less than twenty percent of that business' annual sales, provided that
the Seller disposes of such competing business to a third party purchaser within
12 months after the acquisition thereof.

                  (d) Upon the consummation of the transactions contemplated
hereby, each of Cisco and Acquiror agrees that, for a period commencing on the
Closing Date and ending on the third annual anniversary of the Closing Date, it
and its affiliates will not: directly or indirectly (whether as an employer,
employee, partner, stockholder, consultant, investor, director, representative
or otherwise) anywhere within the world own, manage, operate, control or be
employed by, participate in, consult with, or be otherwise connected in any
manner with the ownership, management or operation of any business involving the
Submarine and Components Business (the "Other Activities"). Notwithstanding the
foregoing, nothing herein shall restrict the Cisco, Acquiror or its affiliates
from (i) owning, solely for investment purposes up to five percent of any class
of securities of any person engaged in the Other Activities , (ii) engaging and
operating the Teroptics Systems Business, or any of the other existing
businesses of Cisco, Acquiror and its affiliates; (iii) investing in the Pirelli
Submarine and Components Business; and (iv) acquiring or owning, or managing or
controlling any business whose annual sales from products included in the Other
Activities represent less than twenty percent of that business' annual sales,
provided that the Cisco disposes of such competing business to a third party
purchaser within 12 months after the acquisition thereof.



                                       34
<PAGE>   40

                  (e) Without limiting the rights of the parties to pursue all
other legal and equitable rights available to them for violation of this Section
5.9 or Section 5.8 by any of the other parties hereto, it is agreed that other
remedies cannot fully compensate a party for such a violation and that the
parties shall be entitled to injunctive relief to prevent the violation or the
continuing violation thereof. It is the intent and understanding of each party
hereto that if, in any action before any Governmental Entity legally empowered
to enforce Section 5.9 or Section 5.8, any term, restriction, covenant or
promise in this Section 5.9 or Section 5.8 is found to be unreasonable and for
that reason unenforceable, then such term, restriction, covenant or promise
shall be deemed modified to the extent necessary to make it enforceable by such
court or agency.

            5.10 Use of Trademarks and Names. After the Closing, Parent and
Seller shall retain all rights in and to the trademark, tradename, service mark
and name "Pirelli" or any derivation thereof and the POS Entities shall cease
all use thereof promptly after the Closing.

            5.11 Registration Statement. As promptly as practicable after the
execution of this Agreement (but in no event later than January 7, 2000),
Pirelli and Cisco shall prepare, and Cisco shall file with the SEC, a
Registration Statement on Form S-3 (or such other or successor form as shall be
appropriate), which complies in form with applicable SEC requirements and shall
use all reasonable efforts to cause the Registration Statement to become
effective as soon thereafter as practicable and to maintain such effectiveness
until one year following the last issuance of shares hereunder. Cisco will
notify Pirelli 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 Registration Statement or any other filing or
for additional information and will supply Pirelli with copies of all
correspondence between Cisco, and the SEC, or its staff or any other government
officials, with respect to the Registration Statement or other filing. Whenever
any event occurs that is required to be set forth in an amendment or supplement
to the Registration Statement or any other filing, Cisco and Pirelli shall
cooperate in filing with the SEC or its staff or any other government officials,
such amendment or supplement.

            5.12 Additional Agreements. Parent and Cisco shall use commercially
reasonable efforts to negotiate in good faith to enter into, prior to the
Closing, a definitive Shared Services Agreement substantially on the terms and
conditions set forth in Exhibit G hereto and definitive investment agreements
(including shareholder agreements, subscription agreements, stock purchase
agreements and Articles of Incorporation or equivalent documents) relating to
investments by Cisco in the successors to the Pirelli Submarine and Components
Business, which investment agreements shall be substantially on the terms of
Exhibits I and J hereto. Pirelli Cavi and Cisco shall also use their
commercially reasonable efforts to negotiate in good faith to enter into a
definitive Submarine Supply Agreement relating to the supply of terminal line
equipment for Submarine Field of Use (as defined in the IPR Agreement), to the
Submarine and Components Business by the POS Entities, substantially on the
terms and conditions set forth in Exhibit K hereto. Except for the Shared
Services Agreement, so long as the parties are using commercially reasonable
efforts to negotiate these agreements, the Investment Agreements and Submarine
Supply Agreement may be entered into after Closing.



                                       35
<PAGE>   41

            5.13 Conversion of Corporate Status. Parent shall, prior to Closing,
cause POS Holland to be converted from a Netherlands N.V. to a Netherlands B.V.
and POS Italy to be converted from an S.p.A to an S.R.L.

5.14 Carve-Out. Pirelli shall cause to be spun-off, transferred or liquidated
out of the POS Entities prior to Closing the Submarine and Components Business
upon the terms set forth in the Carve-Out Agreement attached hereto as Exhibit
E.

            5.15 Blue Sky. Cisco shall take such steps as may be necessary to
comply with the U.S. state securities and blue sky laws which are applicable to
the issuance of the Cisco Common Stock in connection with the transactions
contemplated hereby. Parent shall use commercially reasonable efforts to assist
Cisco as may be necessary to comply with such U.S. state securities and blue sky
laws which are applicable in connection with the issuance of Cisco Common Stock

            5.16 Repayment of Debt. Prior to the Closing, Pirelli shall
refinance, with a third party lender reasonably acceptable to Cisco on terms and
conditions reasonably acceptable to Cisco, all intracompany indebtedness owed by
the POS Entities to Pirelli or its affiliates (other than the POS Entities). The
costs of such refinancing (including interest accrued prior to the Closing)
shall be borne by Pirelli to the extent not reflected in the Closing Balance
Sheet. At the Closing, Acquiror shall assume such third party indebtedness and
any guarantees of Pirelli entered into in connection with such debt in
accordance with this Section 5.16.

            5.17 Assumption of Certain Indemnities. Schedule 5.17 lists certain
guarantees relating to the Teroptics Systems Business that have been provided by
third parties under which Parent and its affiliates have provided certain
indemnities. Cisco and Parent will use commercially reasonable efforts to obtain
releases of Parent and its affiliates from these guarantees. If such releases
cannot be obtained, Cisco will indemnify and hold harmless Parent and its
affiliates from any liabilities thereunder unless Cisco would itself be entitled
to indemnity from Pirelli in accordance with Articles VIII or IX hereof with
respect to such matters.

            5.18 Ciena Agreement. Pirelli shall, prior to the Closing, assign
all rights and interest in that certain Settlement Agreement between Parent,
Pirelli Cavi and Ciena Corporation dated as of May 1, 1998 to POS Holland and
POS Holland shall, at the Closing, assign the royalty payments due under that
agreement to Pirelli and send Ciena Corporation notice that all such royalty
payments shall be paid directly to Pirelli and that such notice is irrevocable.
If Ciena Corporation remits any such royalty payments to POS Holland after the
Closing, POS Holland shall promptly remit those to Pirelli.

            5.19 Termination of Inter-Company Contracts. Prior to the Closing
Date, Parent will cause all inter-company contracts between Parent or its
affiliates (other than the POS Entities) and the POS Entities, other than the
real property leases, to be terminated. Such contracts are identified on
Schedule 5.19 of the Disclosure Schedule.

            5.20 Certain Undertakings. In order to enable Seller to dispose of
its shares of Cisco Common Stock received pursuant to Section 1.1 and 1.2
hereof, at Seller's request, Cisco will allow one or more nationally recognized
investment banks placing such shares and their



                                       36
<PAGE>   42

attorneys to conduct customary business and legal due diligence on reasonable
notice during normal business hours with officers or managers designated by
Cisco. Cisco will also, at the request of any investment bank selling such
shares, provide such bank on the Nasdaq Trading Day prior to the Closing Date
with (i) a letter agreement containing representations, warranties, covenants
and indemnities, and (ii) an opinion from its counsel (including a customary
10b-5 disclosure opinion), comfort letters from Cisco's accountants (including
the delivery of the initial comfort letter upon delivery of the letter agreement
described in (i) above and a bring-down officer's certificate, in each case in
form and substance reasonable and customary for a registered underwritten
offering of equity securities of a large seasoned U.S. issuer in a transaction
as described herein. Such obligations shall apply for one placement of shares of
Common Stock of Cisco received by Seller pursuant to Section 1.1 and 1.2.
Notwithstanding anything to the contrary, any investment bank selling such
shares shall be entitled to rely on and enjoy third party beneficiary rights
with respect to this Section 5.20.

            5.21 Reasonable Best Efforts and Further Assurances. Each of the
parties to this Agreement shall use its reasonable best efforts to effectuate
the transactions contemplated hereby and to fulfill and cause to be fulfilled
the conditions to closing under this Agreement.


                                   ARTICLE VI

                                   CONDITIONS

            6.1 Conditions to Obligations of Each Party to Effect the Closing.
The respective obligations of each party to this Agreement to consummate and
effect this Agreement and the transactions contemplated hereby shall be subject
to the satisfaction at or prior to the Closing Date of each of the following
conditions, any of which may be waived, in writing, by agreement of all the
parties hereto:

                  (a) No Injunctions or Restraints; Illegality. No temporary
restraining order, preliminary or permanent injunction or other order issued by
any court of competent jurisdiction or other legal or regulatory restraint or
prohibition preventing the consummation of the transactions contemplated hereby
shall be in effect, nor shall any proceeding brought by an administrative agency
or commission or other governmental authority or instrumentality, domestic or
foreign, seeking any of the foregoing be pending; nor shall there be any action
taken, or any statute, rule, regulation or order enacted, entered, enforced or
deemed applicable to the transactions contemplated hereby, which makes the
consummation of the transactions contemplated hereby illegal. In the event an
injunction or other order shall have been issued, each party agrees to use
reasonable best efforts to have such injunction or other order lifted.

                  (b) Governmental Approval. Cisco, Acquiror, Parent and Seller
shall have timely obtained from each Governmental Entity all approvals, waivers
and consents, if any, necessary for consummation of or in connection with the
several transactions contemplated hereby, including such approvals, waivers and
consents as may be required under the Securities Act and under HSR and Antitrust
Laws. In addition the workers council of POS France shall have been consulted on
the transactions contemplated hereby in accordance with the applicable



                                       37
<PAGE>   43

law and all other consultations and notification requirements of applicable
labor legislation shall have been satisfied.

                  (c) Registration Statement Effective. The SEC shall have
declared the Registration Statement effective. No stop order suspending the
effectiveness of the Registration Statement or any part thereof shall have been
issued and no proceeding for that purpose shall have been commenced. All
requests for additional information on the part of the SEC shall have been
complied with to the reasonable satisfaction of the parties hereto.

            6.2 Additional Conditions to Obligations of Parent and Seller. The
obligations of Parent and Seller to consummate and effect this Agreement and the
transactions contemplated hereby shall be subject to the satisfaction at or
prior to the Closing Date of each of the following conditions, any of which may
be waived, in writing, by Parent and Seller:

                  (a) Representations, Warranties and Covenants. The
representations and warranties of Cisco and Acquiror in this Agreement shall be
true and correct in all material respects (except for such representations and
warranties that are qualified by their terms by a reference to materiality which
representations and warranties as so qualified shall be true in all respects) on
and as of the date hereof and on and as of the Closing Date as though such
representations and warranties were made on and as of such time. Cisco and
Acquiror shall have performed and complied in all material respects with all
covenants, obligations and conditions of this Agreement required to be performed
and complied with by them as of the Closing Date.

                  (b) Certificate of Acquiror. Parent and Seller shall have been
provided with a certificate executed on behalf of Cisco and Acquiror by
authorized officers to the effect set forth in Section 6.2(a).

                  (c) Listing of Additional Shares. Cisco shall have fulfilled
its obligations pursuant to Section 5.6.

            6.3 Additional Conditions to the Obligations of Cisco and Acquiror.
The obligations of Acquiror to consummate and effect this Agreement and the
transactions contemplated hereby shall be subject to the satisfaction at or
prior to the Closing Date of each of the following conditions, any of which may
be waived, in writing, by Cisco and Acquiror:

                  (a) Representations, Warranties and Covenants. Except as
disclosed in the Disclosure Schedule dated the date of this Agreement, the
representations and warranties of Pirelli in this Agreement shall be true and
correct in all material respects (except for such representations and warranties
that are qualified by their terms by a reference to materiality which
representations and warranties as so qualified shall be true in all respects) on
and as of the date hereof and on and as of the Closing Date as though such
representations and warranties were made on and as of such time. Pirelli shall
have performed and complied in all material respects with all covenants,
obligations and conditions of this Agreement required to be performed and
complied with by them as of the Closing Date.

                  (b) Certificate of Pirelli. Cisco and Acquiror shall have been
provided with a certificate executed on behalf of Pirelli by authorized officers
to the effect set forth in Section 6.3(a).



                                       38
<PAGE>   44

                  (c) Third Party Consents. Acquiror shall have been furnished
with evidence reasonably satisfactory to it of the consent or approval of those
persons whose consent or approval shall be required in connection with the
transactions contemplated hereby under the contracts of the POS Entities set
forth on Schedule 2.25 hereto.

                  (d) Injunctions or Restraints on Conduct of Business. No
temporary restraining order, preliminary or permanent injunction or other order
issued by any court of competent jurisdiction or other legal or regulatory
restraint provision limiting or restricting, in any material respect, Cisco's or
Acquiror's conduct or operation of the business of the POS Entities following
the Closing Date shall be in effect, nor shall any proceeding brought by an
administrative agency or commission or other Governmental Entity, domestic or
foreign, seeking the foregoing be pending.

                  (e)   No Material Adverse Effect.  There shall not have
occurred any Material Adverse Effect with respect to the POS Entities, taken
as a whole, since the date of this Agreement.

                  (f) Resignation of Directors and Officers. The directors and
officers of the POS Entities in office immediately prior to the Closing Date
shall have resigned as directors and officers, as applicable, of the POS
Entities effective as of the Closing Date.

                  (g) Employment and Non-Competition Agreements. At least 27 of
the employees of the POS Entities set forth on Schedule 5.7 shall have entered
into an Employment and Non-Competition Agreement substantially in the form
attached hereto as Exhibit F. Messrs. Anderson and Canturi and Dr. Grasso must
be part of such 27 persons who enter into such agreements.

                  (h) Transfer Taxes. Parent and Pirelli Cavi shall have paid
all stock transfer, and other Taxes required to be paid at Closing in connection
with the sale and delivery to Acquiror of the Shares and the contribution of the
Contributed Business to POS Italy, and shall have caused all appropriate and
required stock transfer Tax stamps to be affixed to the certificate or
certificates representing the Shares so sold and delivered.

                  (i) IPR Agreement and Supply Agreement. The IPR Agreement and
the Supply Agreement in the forms attached hereto as Exhibit A and Exhibit B,
respectively, shall have been executed by Pirelli and Cisco (or their affiliates
as set forth therein).

                  (j) Shared Services Agreement and Assignment and Assumption.
The parties shall have entered into a Shared Services Agreement substantially on
the terms set forth in Exhibit G. Parent shall have executed the Assignment and
Assumption in the form attached hereto as Exhibit J.

                  (k) Carve-Out of Submarine and Components Business. All assets
relating to the Submarine and Components Business and all liabilities related
thereto shall have been transferred out of the POS Entities in accordance with
the Carve-Out Agreement and Parent or an affiliate thereof shall have assumed
all obligations, if any, relating thereto.



                                       39
<PAGE>   45

                  (l) Contributed Business. The Contributed Business shall have
been contributed by Pirelli Cavi to POS Italy in accordance with the terms of
the Contribution Agreement and the Patent Assignment Agreement.


                                   ARTICLE VII

                        TERMINATION, AMENDMENT AND WAIVER

            7.1 Termination. At any time prior to the Closing Date, this
Agreement may be terminated:

                  (a) by mutual consent of Cisco and Parent;

                  (b) by either Cisco or Parent, if the Closing shall not have
occurred on or before April 30, 2000 (provided, a later date may be agreed upon
in writing by the parties hereto, and provided further that the right to
terminate this Agreement under this Section 7.1(b) shall not be available to any
party whose action or failure to act has been the cause or resulted in the
failure of the Closing to occur on or before such date and such action or
failure to act constitutes a breach of this Agreement); or

                  (c) by either Cisco or Parent if any permanent injunction or
other order of a court or other competent authority preventing the consummation
of the transactions contemplated hereby shall have become final and
nonappealable.

            7.2 Effect of Termination. In the event of termination of this
Agreement as provided in Section 7.1, this Agreement shall forthwith become void
and there shall be no liability or obligation on the part of any of the parties
hereto or their respective officers, directors, shareholders or affiliates,
except to the extent that such termination results from the breach by a party
hereto of any of its representations, warranties or covenants set forth in this
Agreement; and provided that the provisions of Section 5.2 (Confidentiality),
Section 5.3 (Public Disclosure), Section 7.3 (Expenses) and this Section 7.2 and
of Article X shall remain in full force and effect and survive any termination
of this Agreement.

            7.3 Expenses. Whether or not the Closing occurs, all costs and
expenses incurred in connection with this Agreement and the transactions
contemplated hereby (including, without limitation, the fees and expenses of its
advisers, accountants and legal counsel) shall be paid by the party incurring
such expense, except as otherwise provided in this Agreement. Cisco shall pay
all registration and filing fees in connection with the registration of the
patents included in the Intellectual Property in the various patent offices.
Cisco shall also reimburse Parent for fees incurred in connection with hedging
transactions entered into in connection with the shares of Cisco Common Stock
issued hereunder and any commissions incurred in connection with the sale of
such shares pursuant to the Registration Statement up to an aggregate amount for
all such costs of $20 million.



                                       40
<PAGE>   46

                                  ARTICLE VIII

                                 INDEMNIFICATION

            8.1 Survival of Representations and Warranties.

                  (a) Notwithstanding any investigation conducted at any time
with regard thereto by or on behalf of either party, the representations and
warranties set forth in Articles II and III of this Agreement shall, absent
actual fraud, or intentional misrepresentation survive the execution, delivery,
and performance of this Agreement and the Closing Date until December 31, 2001;
provided that the representations, and warranties set forth in Section 2.13 and
the agreements set forth in Article IX hereto shall survive until the expiration
of the applicable statute of limitations and the representations set forth in
Section 3.6 shall survive for any issuances of Cisco Common Stock after December
31, 2001 for three months after the date of such issuance. In the case of actual
fraud or intentional misrepresentation, the representations and warranties of
such breaching party shall survive indefinitely. All representations and
warranties of each party set forth in this Agreement shall be deemed to have
been made again by such party at and as of the Closing Date.

                  (b) As used in this Article, any reference to a
representation, warranty, or covenant contained in any Section of this Agreement
shall include the Schedule or Exhibit relating to such Section.

            8.2 Indemnification. Subject to the limitations set forth in this
Article VIII, Parent and Seller, jointly and severally, will indemnify and hold
harmless Cisco and Acquiror and their respective officers, directors, agents and
employees, and each person, if any, who controls or may control Cisco or
Acquiror within the meaning of the Securities Act (hereinafter, including for
this purpose the POS entities to the extent they are also damaged parties,
referred to individually as an "Indemnified Person" and collectively as
"Indemnified Persons"), from and against any and all losses, costs, damages,
liabilities and expenses arising from claims, demands, actions, causes of
action, including, without limitation, reasonable legal fees (collectively,
"Damages") arising out of (i) any misrepresentation or breach of or default in
connection with any of the representations, warranties, covenants and agreements
given or made by Parent, Pirelli Cavi, Seller or any of the POS Entities in this
Agreement, the Disclosure Schedules or any exhibit or schedule to this Agreement
(other than as to Section 2.13, which shall be governed by Article IX hereof),
and (ii) the operations and liabilities of the Submarine and Components
Business, whether known or unknown. The calculation of Damages shall take into
consideration any Tax benefits or insurance recoveries realized by the
Indemnified Person as a result of the incurrence of the Damages (net of any Tax
cost of the receipt of the indemnity payments). In determining the amount of any
Damage attributable to a breach, any materiality standard contained in a
representation, warranty or covenant shall be disregarded. Any indemnification
payment made pursuant to this Article VIII or Article IX shall be treated as an
adjustment to the POS Holland Share Purchase Price and the POS Italy Share Price
for all Tax purposes to the extent permitted by law.

            8.3 Limitations. No indemnification shall be payable hereunder
unless and until the Damages incurred by the Indemnified Party shall exceed
$100,000 (at which point all of



                                       41
<PAGE>   47

such Damages shall be paid); provided, however, that in no event shall the
aggregate dollar amount received by the Indemnified Persons with respect to
indemnification under this Article VIII exceed $270 Million, except with respect
to Tax matters and in the case of fraud or intentional misrepresentation for
which there shall be no limitation.

            8.4 Procedure for Indemnification with Respect to Third-Party
Claims.

                  (a) If any of the Indemnified Persons determines to seek
indemnification under this Article VIII with respect to any Damage resulting
from the assertion of liability by third parties, such Indemnified Person shall
give notice to the Parent within 30 days of such Indemnified Person becoming
aware of any such Damage, or of facts upon which any such Damage will be based.
The notice shall set forth such material information with respect thereto as is
then reasonably available to such Indemnified Person. In case any such liability
is asserted against an Indemnified Person, and such Indemnified Person notifies
the Parent thereof, the Parent will be entitled, if it so elects by written
notice delivered to such Indemnified Person within 20 days after receiving such
Indemnified Person's notice, to assume the defense thereof with counsel
satisfactory to such Indemnified Person. Notwithstanding the foregoing, (i) an
Indemnified Person shall also have the right to employ its own counsel in any
such case, but the fees and expenses of such counsel shall be at the expense of
such Indemnified Person unless the Parent has elected not to assume the defense
thereof or unless such Indemnified Person shall reasonably determine that there
is a conflict of interest between or among such Indemnified Person and the
Parent with respect to such Damage in which case the fees and expenses of such
counsel will be borne by the Parent, (ii) such Indemnified Person shall not have
any obligation to give any notice of any assertion of liability by a third party
unless such assertion is in writing, and (iii) the rights of any Indemnified
Person to be indemnified hereunder in respect of any Damage resulting from the
assertion of liability by third parties shall not be adversely affected by its
failure to give notice pursuant to the foregoing unless, and, if so, only to the
extent that, the Parent is materially prejudiced thereby. With respect to any
assertion of liability by a third party that results in a Damage, the parties
hereto shall make available to each other all relevant information in their
possession material to any such assertion.

                  (b) In the event that the Parent, within 30 days after receipt
of the aforesaid notice of any Damage, fails to assume the defense of an
Indemnified Person against such Damage, such Indemnified Person shall have the
right to undertake the defense, compromise, or settlement of such action on
behalf of and for the account, expense, and risk of the Parent; provided,
however that the Indemnified Person shall keep the Parent timely apprised of the
status of any claim with respect to such Damage and shall not settle such claim
without the written consent of the Parent, which consent shall not be
unreasonably withheld.

                  (c) Notwithstanding anything in this Article VIII to the
contrary, (i) if there is a reasonable probability that any Damage may
materially adversely affect an Indemnified Person, Cisco shall have the right to
participate in such defense, compromise, or settlement and (ii) the Parent and
Seller shall not, without Cisco's written consent (which consent shall not be
unreasonably withheld), settle or compromise any Loss and Expense or consent to
entry of any judgment in respect thereof.



                                       42
<PAGE>   48

            8.5 Procedure for Indemnification with Respect to Non-Third Party
Claims. In the event that an Indemnified Person asserts the existence of a claim
giving rise to a Damage (but excluding claims resulting from the assertion of
liability by third parties), it shall give written notice to the Parent. Such
written notice shall state that it is being given pursuant to this Section 8.5,
specify the nature and amount of the claim asserted, and indicate the date on
which such assertion shall be deemed accepted and the amount of the claim deemed
a valid claim (such date to be established in accordance with the next
sentence). If the Parent, within 30 days after the receipt of notice by such
Indemnified Person, shall not give written notice to such Indemnified Person
announcing its intent to contest such assertion of such Indemnified Person, such
assertion shall be deemed accepted and the amount of claim shall be deemed a
valid claim. In the event, however, that the Parent contests the assertion of a
claim by giving such written notice to such Indemnified Person within said
period, then the parties shall act in good faith to reach agreement regarding
such claim. In the event that arbitration or litigation shall arise with respect
to any such claim, the prevailing party in such arbitration or litigation shall
be entitled to reimbursement of costs and expenses incurred in connection with
such arbitration or litigation including attorney fees, if the parties hereto,
acting in good faith, cannot reach agreement with respect to such claim within
thirty (30) days after such notice.

            8.6 Tax Matters. The payment of, and indemnification for, Tax
liabilities shall be governed by the provisions of Article IX.


                                   ARTICLE IX

                               CERTAIN TAX MATTERS

            Cisco, Acquiror, Parent, Pirelli Cavi and Seller hereby covenant and
agree with respect to certain Tax matters as follows:

            9.1 Returns; Indemnification; Liability for Taxes.

                  (a) Parent shall prepare and file (or cause to be prepared and
filed) on a timely basis all Tax Returns with respect to the POS Entities for
all taxable periods ending on or before the Closing Date. Parent shall pay and
shall indemnify and hold the Indemnified Persons (including for this purpose the
POS Entities to the extent they are the damaged parties) harmless against and
from (i) all Taxes of the POS Entities for all taxable periods which end on or
before the Closing Date; (ii) with respect to any taxable period commencing
before the Closing Date and ending after the Closing Date (a "Straddle Period"),
all Taxes of the POS Entities attributable to the portion of the Straddle Period
prior to and including the Closing Date (the "Pre-closing Period"); (iii) all
Taxes imposed on the POS Entities for all taxable periods by reason of having
been members of any Tax Group prior to the Closing Date, (iv) any Taxes imposed
on the POS Entities which would not have been imposed were the representations
and warranties set forth in Section 2.13 accurate in all respects; and (v) any
Taxes resulting to POS Italy or Pirelli Cavi (in the case of joint liability) as
a consequence of the implementation of the contribution of the Contributed
Business to POS Italy by Pirelli Cavi or the prior contribution of assets to the
POS Holland Subsidiaries (including any Taxes resulting to POS Italy as a result
of the recharacterization for tax purposes of any transaction contemplated
herein which is to be



                                       43
<PAGE>   49

completed prior to the Closing Date or as a result of the valuation of the
Contributed Business at less than the POS Italy Share Purchase Price, which
valuation would result in Taxes upon a sale of the Contributed Business or
assets thereof by POS Italy at a valuation based on the POS Italy Share Price);
in each case except (x) for Taxes arising in respect of or by reference to any
action taken by or at the direction of Acquiror after the Closing on the Closing
Date (other than a sale contemplated in the second parenthetical of clause (v)
above) and (y) as otherwise provided in Section 1.2(b). For purposes of this
Agreement, the portion of any Tax that is attributable to the Pre-closing Period
shall be (i) in the case of a Tax that is not based on net income, gross income
or gross receipts, the total amount of such Tax for the period in question
multiplied by a fraction, the numerator of which is the number of days in the
Pre-closing Period, and the denominator of which is the total number of days in
such Straddle Period, and (ii) in the case of a Tax that is based on net income,
gross income or gross receipts, the Tax that would be due with respect to the
Pre-closing Period if such Pre-closing Period were a separate taxable period.
For purposes hereof, all Taxes arising from the contribution of the Contributed
Business to POS Italy, the sale of the Shares of POS Holland and POS Italy
pursuant to this Agreement and the Carve-Out of the Submarine and Components
Business shall be deemed to be Taxes attributable to the Pre-closing Period and
shall be the responsibility of Pirelli.

                  (b) Cisco shall prepare and file (or cause to be prepared and
filed) on a timely basis all Tax Returns of the POS Entities relating to taxable
periods ending after the Closing Date and, except as provided in subsection (a)
hereof, shall pay and indemnify and hold Parent and Seller and their respective
officers, directors, agents and employees harmless against and from all Taxes of
the POS Entities (i) for any taxable period commencing after the Closing Date;
(ii) for any Straddle Period other than Taxes attributable to the Pre-closing
Period; (iii) arising in respect of or by reference to any action taken by or at
the direction of Acquiror after the Closing on the Closing Date (other than a
sale contemplated in the second parenthetical of clause 9.1(a)(v) above), and
(iv) as provided in Section 1.2(b). For any Tax Return reflecting any Taxes (i)
which are attributable to a Straddle Period, or (ii) for which Parent or Seller
otherwise are charged with payment or indemnification responsibility under this
Agreement, (w) such Tax Returns shall be prepared in a manner consistent with
past practice (to the extent allowable by law) (x) Cisco shall provide Parent
with draft copies of such Tax Returns (together with all supporting workpapers
and a detailed schedule showing the computation of any Taxes for which Parent or
Seller is liable under this Agreement at least 30 days prior to the due date for
the filing of such Tax Return, (y) and the parties shall cooperate to resolve
any disputes as to the calculation of the Taxes for which Parent or Seller are
liable under this Agreement and to mutually consent to the filing of such Tax
Return. Parent shall pay to Cisco the amount of any Taxes of the POS Entities
prescribed in the preceding sentences by the due date of the Tax Returns
required to be filed by Cisco or in the event of a dispute as to such amount,
upon resolution thereof.

            9.2 Cooperation; Refunds and Credits.

                  (a) All refunds or credits of Taxes of the POS Entities (i)
for or attributable to taxable periods of the POS Entities ending on or before
the Closing Date (and any Straddle Period to the extent such amendment or claim
for refund would affect Taxes for the Pre-closing Period of such Straddle
Period), (ii) which have been taken into account as a liability in the Post
Closing Adjustment or (iii) for which Parent or Seller are otherwise charged
with



                                       44
<PAGE>   50

payment or indemnification responsibility under this Agreement, except to the
extent any such refunds or credits are reflected as assets on the Post-Closing
Financial Statements or the Post Closing Adjustment, shall be for the account of
Parent; all other refunds or credits of Taxes for or attributable to the POS
Entities shall be for the account of Acquiror. Parent shall have the sole right
to prepare and file or caused to be prepared and filed any amended Tax Return or
claim for refund with respect to Taxes of the POS Entities (i) for or
attributable to taxable periods ending on or before the Closing Date (and any
Straddle Period to the extent such amendment or claim for refund would affect
Taxes for the Pre-Closing Period of such Straddle Period) (ii) which have been
taken into account in the Post Closing Adjustment or (iii) for which Parent or
Seller are otherwise charged with payment or indemnification responsibility
under this Agreement, and Cisco shall, and shall cause the POS Entities to, take
such action in connection with such filing as Parent shall request; provided
that any such amended Tax Return or claim for refund does not increase the Tax
liability of Acquiror or any POS Entity for a period after the Closing.
Following the Closing, Acquiror shall cause the POS Entities to forward to
Parent any such refunds or credits due to Parent pursuant to this subsection
promptly after receipt or realization thereof by Acquiror or the POS Entities,
and Parent shall forward to Acquiror any refunds or credits due to Acquiror
pursuant to this section promptly after receipt or realization thereof by
Parent, in each case in accordance with the provisions of subsection (d) below.

                  (b) If an audit examination of any Tax Return of Parent, any
POS Entity or any Tax Group of which any POS Entity is a member or its
subsidiaries for any taxable period ending on or before the Closing Date (and
the Pre-closing Period of any Straddle Period) shall result in any adjustment
the effect of which is to increase deductions, losses or tax credits or to
decrease income, gains or the recapture of Tax credits ("Changes") reflected on
a Tax Return of Acquiror and its subsidiaries (including any POS Entity) for any
taxable period ending after the Closing Date, Parent will notify Acquiror and
provide it with all necessary information so that Acquiror can reflect the
Changes on the appropriate Tax Return. If as a result of such Changes, Acquiror
or its subsidiaries realize a net Tax benefit from an increase in deductions,
losses or Tax credits and/or a decrease in income, gains or the recapture of tax
credits ("Acquiror Benefits") for taxable periods ending after the Closing Date,
Acquiror shall pay to Parent, in accordance with subsection (d), the amount of
such Acquiror Benefits, as and when such Acquiror Benefits are realized by
Acquiror or its subsidiaries.

                  (c) If an audit examination of any Tax Return of Acquiror or
its subsidiaries for any taxable period commencing after the Closing Date (and
the portion of any Straddle Period other than Pre-closing Period) shall result
in any Changes to items reflected on a Tax Return of Parent or its subsidiaries
for any taxable period ending on or before the Closing Date, Acquiror will
notify Parent and provide it with all necessary information so that Parent can
reflect any appropriate Changes on the appropriate Tax Return. If as a result of
such Changes, Parent or its subsidiaries realize a net Tax benefit from an
increase in deductions, losses or tax credits and/or a decrease in the income,
gains or the recapture of Tax credits ("Parent Benefits") for taxable periods
ending on or before the Closing Date, Parent shall pay to Acquiror, in
accordance with subsection (d) hereof, the amount of such Parent Benefits as and
when such Parent Benefits are realized by Parent.

                  (d) Any payments of refunds or credits for Taxes, or any
payment of Acquiror Benefits or Parent Benefits, that are required to be paid
under this Agreement shall be



                                       45
<PAGE>   51

made within ten (10) business days of the receipt of any refund or credit or the
realization of any tax benefit, as the case may be. Any payments not made within
such time period and any payments not timely made pursuant to Section 9.1 shall
be subject to an interest charge of the greater of the rate of interest
applicable to such payments by the applicable Tax jurisdiction or twelve percent
(12%) per annum.

            9.3 Termination of Tax Sharing Agreements. Parent hereby agrees and
covenants that none of the POS Entities has or will have any obligations to
another party pursuant to any Tax sharing agreement or any similar arrangement
in effect at any time before or on the Closing Date, and any further obligation
that might otherwise have existed thereunder shall be extinguished as of the
Closing Date.

            9.4 Conduct of Audits and Other Procedural Matters. Parent or
Acquiror, as the case may be, shall, at its own expense, control any audit or
examination by any Tax Authority, and have the right to initiate any claim for
refund or amended return, and contest, resolve and defend against any
assessment, notice of deficiency or other adjustment or proposed adjustment of
Taxes ("Proceedings"), for any taxable period or for any Taxes for which such
party is charged with payment or indemnification responsibility under this
Agreement. Parent or Acquiror, as the case may be, shall promptly forward to the
other party all written notifications and other written communications,
including (if available) the original envelope showing any postmark, from any
Tax Authority received by such party (or its affiliates) relating to any
liability for Taxes for any taxable period or for any Taxes for which such other
party is charged with payment or indemnification responsibility under this
Agreement. The indemnifying party shall promptly notify, and consult with, the
indemnified party as to any action it proposes to take with respect to any
liability for Taxes for which it is required to indemnify the indemnified party.
The indemnified party shall not enter into any closing agreement or final
settlement with any Tax Authority with respect to any such liability without the
written consent of the indemnifying party. In the case of any Proceedings
relating to any Straddle Period, Acquiror and Parent shall control jointly such
Proceedings and shall consult in good faith with each other as to the conduct of
such Proceedings. Neither party shall settle any such Proceedings relating to a
Straddle Period without the consent of the other party. Each party shall, at the
expense of the requesting party, execute or cause to be executed any powers of
attorney or other documents reasonably requested by such requesting party to
enable it to take any and all actions such party reasonably requests with
respect to any Proceedings which the requesting party controls. The failure by a
party to provide timely notice under this subsection shall relieve the other
party from its indemnification obligations with respect to the subject matter of
any notification not timely forwarded, to the extent the other party has
suffered a loss or other economic detriment because of such failure to provide
notification in a timely fashion.

            9.5 Value Added Tax. In the event of the imposition of any value
added Tax with respect to the contribution of the Contributed Business to POS
Italy, Parent shall be liable for such Tax (including penalties and interest)
pursuant to Section 9.1. In such event, POS Italy shall assign to Parent its
rights, if any, to any refund of such Tax (including penalties and interest)
paid by Parent and Parent shall have the responsibility of pursuing any such
refund.



                                       46
<PAGE>   52

                                    ARTICLE X

                               GENERAL PROVISIONS

10.1 Notices. All notices and other communications hereunder shall be in writing
and shall be deemed given if delivered personally or by commercial delivery
service, or mailed by registered or certified mail (return receipt requested) or
sent via facsimile (with confirmation of receipt) to the parties at the
following address (or at such other address for a party as shall be specified by
like notice):

                  (a)   if to Cisco and Acquiror, to:

                        Cisco Systems, Inc.
                        170 West Tasman Drive
                        San Jose, Ca 95134-1706
                        Attention:  Senior Vice President, Legal and
                        Governmental Affairs
                        Facsimile No.: (408) 526-4914
                        Telephone No.: (408) 526-4000

                        with a copy to:

                        Brobeck, Phleger & Harrison LLP
                        2200 Geng Road
                        Two Embarcadero Place
                        Palo Alto, CA  94303
                        Attention:  Therese A. Mrozek
                        Facsimile No.: (650) 496-2885
                        Telephone No.: (650) 424-0160

                  (b)   if to Seller, Parent and Pirelli Cavi, to:

                        Pirelli S.p.A.
                        Viale Sarca, 222
                        20126 Milano
                        Attention: Chief Legal Officer
                        Facsimile No.:  (39)(02) 6442-3329
                        Telephone No.:  (39) (02) 6442-2754

                        Pirelli Cavi e Sistemi SpA
                        Viale Sarca, 222
                        20126 Milano
                        Attn:  Chief Legal Officer
                        Facsimile No.:  (39) (02) 6442-3329
                        Telephone No.:  (39) (02) 6442-2754



                                       47
<PAGE>   53

                        with a copy to:

                        Weil, Gotshal and Manges
                        One South Place
                        London EC2M 2WG
                        Attention:  Akiko Mikumo/Douglas Warner
                        Facsimile No.:  (44) (171) 903-0990
                        Telephone No.:  (44) (171) 903-1000

            10.2 Interpretation. When a reference is made in this Agreement to
Exhibits, such reference shall be to an Exhibit to this Agreement unless
otherwise indicated. The words "include," "includes" and "including" when used
herein shall be deemed in each case to be followed by the words "without
limitation." The phrase "made available" in this Agreement shall mean that the
information referred to has been made available if requested by the party to
whom such information is to be made available. The phrases "the date of this
Agreement," "the date hereof," and terms of similar import, unless the context
otherwise requires, shall be deemed to refer to December 20, 1999. The table of
contents and headings contained in this Agreement are for reference purposes
only and shall not affect in any way the meaning or interpretation of this
Agreement.

            10.3 Counterparts. This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to the other parties, it being understood that all
parties need not sign the same counterpart.

            10.4 Entire Agreement; Nonassignability; Parties in Interest. This
Agreement and the documents and instruments and other agreements specifically
referred to herein or delivered pursuant hereto, including the Exhibits, the
Schedules, including the Disclosure Schedule (a) constitute the entire agreement
among the parties with respect to the subject matter hereof and supersede all
prior agreements and understandings, both written and oral, among the parties
with respect to the subject matter hereof, (b) are not intended to confer upon
any other person any rights or remedies hereunder; and (c) shall not be assigned
by operation of law or otherwise except as otherwise specifically provided,
except that Cisco may designate prior to the Closing one or more different
subsidiaries to purchase the Shares or, in the case an election is made pursuant
to Section 1.2(b), the Intellectual Property included in the Contributed
Business in addition to or other than the Acquiror provided that no such
assignment shall release Cisco from its obligations hereunder. This Agreement
shall be binding upon and insure to the benefit of the parties and their
respective successors and permitted assigns.

            10.5 Severability. In the event that any provision of this
Agreement, or the application thereof, becomes or is declared by a court of
competent jurisdiction to be illegal, void or unenforceable, the remainder of
this Agreement will continue in full force and effect and the application of
such provision to other persons or circumstances will be interpreted so as
reasonably to effect the intent of the parties hereto. The parties further agree
to replace such void or unenforceable provision of this Agreement with a valid
and enforceable provision that will achieve, to the extent possible, the
economic, business and other purposes of such void or unenforceable provision.



                                       48
<PAGE>   54

            10.6 Remedies Cumulative. Except as otherwise provided herein, any
and all remedies herein expressly conferred upon a party will be deemed
cumulative with and not exclusive of any other remedy conferred hereby, or by
law or equity upon such party, and the exercise by a party of any one remedy
will not preclude the exercise of any other remedy.

            10.7 Governing Law. This Agreement shall be governed by and
construed in accordance with the laws of New York without reference to such
state's principles of conflicts of law.

            10.8 Amendment and Modification. This Agreement may be amended,
modified or supplemented at any time by the parties hereto. This Agreement may
be amended only by an instrument in writing signed on behalf of the parties
hereto.

            10.9 Arbitration of Disputes; Submission to Jurisdiction; Consent to
Service of Process.

                  (a) Any and all disputes or controversies arising under, our
of, in connection with or in relation to this Agreement shall be determined and
settled by binding arbitration, held in New York City, New York in accordance
with this Section 10.9 and in accordance with the Arbitration Rules of the
American Arbitration Association. Upon the occurrence of a dispute or
controversy, a party may submit the dispute or controversy for such arbitration
pursuant to this Section 10.9 by delivery of written notice to the other party
demanding an arbitration and specifying the controversy or dispute to be
arbitrated. Within ten (10) Business Days of the delivery of such notice, the
parties shall agree upon three arbitrators. If the parties are unable to select
three arbitrators within such ten (10) day period, each party shall within five
(5) Business Days thereafter select an arbitrator and the arbitrators so chosen
shall select the third arbitrator. The arbitration shall be held in accordance
with the rules of the American Arbitration Association and judgment upon any
award rendered by the three arbitrators shall be valid, binding, final and
nonappealable.

                  (b) For the purpose of enforcement of any arbitration award
hereunder, the parties hereto hereby irrevocably submit to the exclusive
jurisdiction of the United States District Court for the Southern District of
New York over any dispute arising out of or relating to this Agreement or any of
the transactions contemplated hereby and each party hereby irrevocably agrees
that all claims in respect to such dispute or any suit, action or proceeding
related thereto may be heard and determined in each court. The parties hereby
irrevocably waive, to the fullest extent permitted by applicable laws, any
objection which they may now or hereafter have to the laying of venue of any
such dispute brought in such court or any defense of inconvenient forum for the
maintenance of such dispute. Each of the parties hereto agrees that a judgment
in any such dispute may be enforced in other jurisdictions by suit on the
judgment or in any other manner provided by law.

                  (c) Each of the parties hereto hereby consents to process
being served by any party to this Agreement in any suit, action or proceeding by
the mailing of a copy thereof in accordance with the provisions of Section 10.1
hereof.


                            [Signature page follows]



                                       49
<PAGE>   55

            IN WITNESS WHEREOF, the parties have caused this Agreement to be
executed and delivered by their respective officers thereunto duly authorized,
all as of the date first written above.

                                    CISCO SYSTEMS, INC.


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________



                                    CISCO SYSTEMS MANAGEMENT B.V.


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________



                                    PIRELLI S.p.A.


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________



                                    PIRELLI CAVI e SISTEMI SpA


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________



                                    PIRELLI CABLE HOLDING N.V.


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________



<PAGE>   1
                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 (Pre-Effective Amendment No.1) of Cisco Systems, Inc. of
our report dated August 10, 1999 relating to the consolidated financial
statements, which appears in Cisco Systems, Inc.'s 1999 Annual Report to
Shareholders, which is incorporated by reference in its Annual Report on Form
10-K/A for the year ended July 31, 1999. We also consent to the incorporation by
reference of our report dated August 10, 1999, relating to the financial
statement schedule, which appears in such Annual Report on Form 10-K/A. We also
consent to the incorporation by reference of our report dated August 10, 1999,
except as to the pooling of interest transactions as described in Note 3b which
is as of November 24, 1999, relating to the supplementary consolidated financial
statements of Cisco Systems, Inc. which appears in the Current Report on Form
8-K/A dated February 3, 2000. We also consent to the reference to us under the
heading "Experts" in such Registration Statement.

                                        /s/ PRICEWATERHOUSECOOPERS LLP

San Jose, California
February 3, 2000


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