HEWLETT PACKARD CO
S-3, 1998-01-12
COMPUTER & OFFICE EQUIPMENT
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<PAGE>
 
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 12, 1998
                                                     REGISTRATION NO. 333-
 
================================================================================
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
                                --------------
                                   FORM S-3
                            REGISTRATION STATEMENT
                                     UNDER
                          THE SECURITIES ACT OF 1933
 
                                --------------
                            HEWLETT-PACKARD COMPANY
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                                   <C>
                     CALIFORNIA                                            94-1081436
          (State or other jurisdiction of                               (I.R.S. employer
           incorporation or organization)                            identification number)
</TABLE>
 
                              3000 HANOVER STREET
                              PALO ALTO, CA 94304
                                (650) 857-1501
  (Address including zip code, and telephone number, including area code, of
                  Principal Executive Offices of Registrant)
 
                                --------------
 
                            D. CRAIG NORDLUND, ESQ.
                    ASSOCIATE GENERAL COUNSEL AND SECRETARY
                            HEWLETT-PACKARD COMPANY
                              3000 HANOVER STREET
                              PALO ALTO, CA 94304
                                (650) 857-1501
(Name, address, including zip code, and telephone number, including area code,
                       of agent for service of process)
 
                                --------------
 
                                  COPIES TO:
<TABLE>
<S>                                                   <C>
                ANN O. BASKINS, ESQ.                                 DOUGLAS D. SMITH, ESQ.
                MARIE OH HUBER, ESQ.                                GREGORY J. CONKLIN, ESQ.
              HEWLETT-PACKARD COMPANY                              GIBSON DUNN & CRUTCHER LLP
                3000 HANOVER STREET                           ONE MONTGOMERY STREET, TELESIS TOWER
                PALO ALTO, CA 94304                                  SAN FRANCISCO, CA 94104
             TELEPHONE: (650) 857-1501                              TELEPHONE: (415) 393-8200
</TABLE>
 
                                --------------
 
  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, as amended (the "Securities Act"), other than securities offered only in
connection with dividend or interest reinvestment plans, please 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 from 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. [_]
 
                                --------------
                        CALCULATION OF REGISTRATION FEE
 
 
<TABLE>
<CAPTION>
===========================================================================================================
                                                   PROPOSED MAXIMUM    PROPOSED MAXIMUM
   TITLE OF EACH CLASS OF        AMOUNT TO BE          OFFERING       AGGREGATE OFFERING       AMOUNT OF
SECURITIES TO BE REGISTERED       REGISTERED       PRICE PER UNIT(1)       PRICE(1)        REGISTRATION FEE
- -----------------------------------------------------------------------------------------------------------
<S>                           <C>                 <C>                 <C>                 <C>
Liquid Yield Option(TM)
 Notes (LYONs(TM))..........    $2,000,000,000         52.6875%           $1,053,750          $310,856.25
- -----------------------------------------------------------------------------------------------------------
Common Stock, par value
 $1.00 per share............          (2)                 --                  --                None(2)
============================================================================================================
</TABLE>
 
(TM) Trademark of Merrill Lynch & Co.
(1)  Estimated solely for the purpose of calculating the registration fee, in
     accordance with Rule 457(c) under the Securities Act, on the basis of the
     average of the bid and asked prices of $526.875 quoted on the PORTAL
     system on January 5, 1998 for $1,000 aggregate principal amount at
     maturity of LYONs(TM).
(2)  Also being registered is such indeterminate number of shares of Common
     Stock as may be issuable upon conversion and/or redemption of the LYONs
     registered hereby, which registration is not subject to an additional
     registration fee pursuant to Rule 457(i) under the Securities Act.
 
                                --------------
 
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
SECTION 8(a) OF THE SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THE
REGISTRATION STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION,
ACTING PURSUANT TO SUCH SECTION 8(a), MAY DETERMINE.

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

<PAGE>
 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A         +
+REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE   +
+SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY  +
+OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT        +
+BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR   +
+THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE      +
+SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE    +
+UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF  +
+ANY SUCH STATE.                                                               +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                 SUBJECT TO COMPLETION, DATED JANUARY 12, 1998

PROSPECTUS
 
                                 $2,000,000,000
 
                       [LOGO OF HEWLETT PACKARD COMPANY]
 
                     LIQUID YIELD OPTION(TM) NOTES DUE 2017
                          (ZERO COUPON--SUBORDINATED)
 
  This Prospectus relates to $2,000,000,000 aggregate principal amount at
maturity of Liquid Yield Option(TM) Notes ("LYONs") of Hewlett-Packard Company,
a California corporation (the "Company" or "Hewlett-Packard"), that may be
offered and sold from time to time by the several holders thereof (the "Selling
Holders"). The LYONs were issued or deemed issued by the Company on October 14,
1997 pursuant to an Indenture, dated October 14, 1997 (the "Indenture"),
between the Company and Chase Manhattan Bank and Trust Company, National
Association, as trustee (the "Trustee"), at the issue price of $537.85 per
$1,000 principal amount at maturity (the "Issue Price"). There will be no
periodic payments of interest unless the Company elects to make such payments
after a Tax Event (as defined herein) has occurred. The LYONs will mature on
October 14, 2017. The Issue Price of each LYON represents a yield to maturity
of 3.125% per annum (computed on a semiannual bond equivalent basis) calculated
from October 14, 1997. The LYONs are subordinated to all existing and future
Senior Indebtedness (as defined herein) of the Company. The LYONs are also
effectively subordinated to all existing and future liabilities of the
Company's subsidiaries. At November 30, 1997, the Company and its subsidiaries
had outstanding approximately $4.7 billion of indebtedness (excluding
obligations under foreign exchange and interest rate swap contracts), of which
approximately $1.1 billion relates to the LYONs. See "Description of LYONs--
Subordination of LYONs." The Company will not receive any proceeds from sales
of the LYONs by the Selling Holders. The Company has agreed to bear certain
expenses in connection with the registration of the LYONs being offered and
sold by the Selling Holders.
 
  Each LYON is convertible at the option of the holder thereof (the "Holder")
at any time on or prior to maturity, unless previously redeemed or otherwise
purchased. Upon conversion, the Company may elect to deliver common stock, par
value $1.00 per share, of the Company (the "Common Stock") at a conversion rate
of 5.430 shares per $1,000 principal amount at maturity (the "Conversion Rate")
or cash in an amount based upon the value of the shares of Common Stock into
which the LYONs are convertible. The Conversion Rate will not be adjusted for
accrued Original Issue Discount (as defined herein) but will be subject to
adjustment upon the occurrence of certain events affecting the Common Stock.
Upon conversion, a Holder will not receive any cash payment representing
accrued Original Issue Discount; such accrued Original Issue Discount will be
deemed paid by the Common Stock or cash received on conversion. See
"Description of LYONs--Conversion Rights." The Common Stock is traded on the
New York Stock Exchange (the "NYSE") under the symbol "HWP".
 
                                                        (continued on next page)
 
  SEE "RISK FACTORS" BEGINNING ON PAGE 3 FOR A DISCUSSION OF CERTAIN FACTORS
THAT SHOULD BE CONSIDERED BY PROSPECTIVE PURCHASERS OF THE LYONS AND COMMON
STOCK OFFERED HEREBY.
 
                                 ------------
 
 THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
      EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE 
          SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES 
              COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF 
                  THIS PROSPECTUS. ANY REPRESENTATION TO THE 
                        CONTRARY IS A CRIMINAL OFFENSE.
 
                                 ------------
 
                  THE DATE OF THIS PROSPECTUS IS     , 1998.
 
- ------
(TM)Trademark of Merrill Lynch & Co., Inc.
<PAGE>
 
(continued from preceding page)
 
  Each LYON will be purchased by the Company, at the option of the Holder, on
October 14, 2000 (the "Purchase Date") for a Purchase Price per LYON of
$590.29 (which amount represents the Issue Price plus accrued Original Issue
Discount to the Purchase Date). The Company, at its option, may elect to pay
the Purchase Price on the Purchase Date in cash or shares of Common Stock
based on the market value thereof, or in any combination thereof. See
"Description of LYONs--Purchase of LYONs at the Option of the Holder." In
addition, as of 35 business days after the occurrence of any Change in Control
(as defined herein) of the Company occurring on or prior to October 14, 2000,
each LYON will be purchased for cash by the Company, at the option of the
Holder, for a Change in Control Purchase Price (as defined herein) equal to
the Issue Price plus accrued Original Issue Discount to the date set for such
purchase. In certain circumstances, the Company's ability to pay the Change in
Control Purchase Price may be limited. See "Description of LYONs--Change in
Control Requires Purchase of LYONs at the Option of the Holder."
 
  The LYONs are not redeemable by the Company prior to October 14, 2000. On
and after such date, the LYONs are redeemable for cash at any time at the
option of the Company, in whole or in part, at Redemption Prices equal to the
Issue Price plus accrued Original Issue Discount to the date of redemption.
See "Description of LYONs--Redemption of LYONs at the Option of the Company."
 
  From and after a Tax Event, at the option of the Company, interest in lieu
of future Original Issue Discount shall accrue on each LYON from the Option
Exercise Date (as defined herein) at 3.125% per annum on the Restated
Principal Amount (as defined herein) and shall be payable semiannually on each
Interest Payment Date (as defined herein) to Holders of record at the close of
business on each Regular Record Date (as defined herein) immediately preceding
such Interest Payment Date. See "Description of LYONs--Optional Conversion to
Semiannual Coupon Note upon Tax Event."
 
  For a discussion of certain United States federal income tax considerations
for Holders of LYONs, see "Certain United States Federal Income Tax
Considerations."
 
  This Prospectus and the Registration Statement of which this Prospectus
forms a part will not be available for sales during the periods:
<TABLE>
            <S>                          <C>                           <C>
            January 16, 1998             through                       February 18, 1998
            April 15, 1998               through                       May 19, 1998
            July 15, 1998                through                       August 18, 1998
            October 14, 1998             through                       November 17, 1998
            January 18, 1999             through                       February 17, 1999
            April 14, 1999               through                       May 18, 1999
            July 16, 1999                through                       August 17, 1999
            October 14, 1999             through                       November 16, 1999
</TABLE>
 
  In addition, the Company has the right to suspend sales under the
Registration Statement up to an aggregate of 30 days in each twelve-month
period under certain circumstances. See "Description of the LYONs--
Registration Rights." Therefore, any sales of LYONs or Common Stock issued
upon conversion of the LYONs may only be offered or sold during the foregoing
periods pursuant to an exemption from the registration requirements of the
Securities Act of 1933, as amended (the "Securities Act").
 
  The LYONs and Common Stock issued upon conversion of the LYONs may be
offered for sale and sold by the Selling Holders from time to time in varying
amounts at prices and on terms to be determined at the time of sale. To the
extent required, the name(s) of the Selling Holder(s), the number of LYONs or
shares of Common Stock to be sold, the purchase price, the public offering
price, if applicable, the name of any agent or broker-dealer, and any
applicable commissions, discounts or other items constituting compensation
thereto with respect to a particular offering will be set forth in a
supplement or supplements to this Prospectus (each, a "Prospectus
Supplement"). See "Plan of Distribution." The Company will not receive any
proceeds from any sale of LYONs or Common Stock hereunder.
 
  Selling Holders and any broker-dealers or agents that participate with a
Selling Holder in the distribution of any of the LYONs or Common Stock issued
upon conversion of the LYONs may be deemed to be "underwriters" within the
meaning of the Securities Act and any discount or commission received by them
and any profit on the resale of the LYONs or Common Stock issued upon
conversion of the LYONs purchased by them may be deemed to be underwriting
discounts or commissions under the Securities Act.
 
<PAGE>
 
                             AVAILABLE INFORMATION
 
  The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"). In accordance
therewith, the Company is required to file periodic reports and other
information with the Securities and Exchange Commission (the "Commission").
Such reports and other information can be inspected and copied at the public
reference facilities of the Commission at Room 1024, Judiciary Plaza, 450
Fifth Street, N.W., Washington, D.C. 20549, and at the Commission's regional
offices located at 500 West Madison Street, Suite 1400, Chicago, Illinois
60661, and Seven World Trade Center, 13th Floor, New York, New York 10048.
Copies of such material can also be obtained from the Public Reference Section
of the Commission at the above Washington, D.C. address at prescribed rates.
In addition, the Commission maintains a site on the World Wide Web that
contains reports, proxy statements and other information filed electronically
with the Commission. The address of such Web site is http://www.sec.gov. Such
material can also be inspected and copied at the offices of the New York Stock
Exchange, Inc., 20 Broad Street, New York, NY 10005 and the Pacific Exchange,
Inc., 301 Pine Street, San Francisco, CA 94104 and 233 South Beaudry Avenue,
Los Angeles, California 90012.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
  The following documents have been filed by the Company with the Commission
and are hereby incorporated herein by reference:
 
  (a) Annual Report on Form 10-K for the year ended October 31, 1996 as
      amended by Form 10-K/A filed with the Commission on March 12, 1997;
 
  (b) Quarterly Reports on Form 10-Q for the quarters ended January 31, 1997,
      April 30, 1997, and July 31, 1997;
 
  (c) Current Report on Form 8-K dated October 7, 1997; and
 
  (d) The description of the Common Stock contained in (i) the Registration
      Statement filed with the Commission on or about November 6, 1957, and
      (ii) the Amended and Restated Articles of Incorporation which appeared
      as Exhibit 3(a) to the Annual Report on Form 10-K for the fiscal year
      ended October 31, 1996.
 
  In addition to the foregoing, all documents filed by the Company pursuant to
Section 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the date
of this Prospectus and prior to the termination of the offering of the LYONs
and Common Stock issued upon conversion of the LYONs shall be deemed to be
incorporated by reference in this Prospectus and to be a part hereof from the
date of filing of such documents. Any statement contained in a document
incorporated or deemed to be incorporated by reference herein shall be deemed
to be modified or superseded for purposes of this Prospectus to the extent
that a statement contained herein or in any other subsequently filed document
which also is or is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall
not be deemed, except as so modified or superseded, to constitute a part of
this Prospectus. Subject to the foregoing, all information appearing in this
Prospectus is qualified in its entirety by the information appearing in the
documents incorporated by reference.
 
  This Prospectus incorporates documents by reference with respect to the
Company that are not presented herein or delivered herewith. These documents
(other than the exhibits to any such document, unless specifically requested)
are available without charge to any person, including any beneficial Holder to
whom this Prospectus is delivered, upon written or oral request to Hewlett-
Packard Company, 3000 Hanover Street, Palo Alto, California 94304, telephone
number (650) 857-1501, Attention: Investor Relations.
 
                                       2
<PAGE>
 
                                 RISK FACTORS
 
  Prospective investors should carefully consider the following matters,
together with all other information set forth in this Prospectus.
 
  Competition. Hewlett-Packard encounters aggressive competition in all areas
of its business activity. The Company's competitors are numerous, ranging from
some of the world's largest corporations to many relatively small and highly
specialized firms. Hewlett-Packard competes primarily on the basis of
technology, performance, price, quality, reliability, distribution and
customer service and support. Product life cycles are short and, to remain
competitive, the Company will be required to develop new products,
periodically enhance its existing products and compete effectively on the
basis of the factors described above. In particular, Hewlett-Packard
anticipates that it will have to continue to adjust prices of many of its
products to stay competitive and it will have to effectively manage financial
returns with reduced gross margins.
 
  New Product Introduction. Hewlett-Packard's future operating results may be
adversely affected if it is unable to continue to develop, manufacture and
market innovative products and services rapidly that meet customer
requirements for product performance and reliability. The process of
developing new high technology products and solutions is inherently complex
and uncertain. It requires accurate anticipation of customers' changing needs
and emerging technological trends. Hewlett-Packard consequently must make
long-term investments and commit significant resources before knowing whether
its predictions will eventually result in products that achieve market
acceptance. After a product is developed, the Company must quickly manufacture
sufficient volumes at acceptable costs. This is a process that requires
accurate forecasting of volumes, mix of products and configurations. Moreover,
the supply and timing of a new product or service must match customers' demand
and timing for the particular product or service. Given the wide variety of
systems, products and services Hewlett-Packard offers, the process of planning
production and managing inventory levels becomes increasingly difficult.
 
  Inventory Management. Inventory management has become increasingly complex
as Hewlett-Packard continues to sell a greater mix of products, especially
printers and personal computers, through third-party distribution channels.
Resellers constantly adjust their ordering patterns in response to the
Company's and its competitors' supply into the channel and the timing of their
new product introductions and relative feature sets, as well as seasonal
fluctuations in end-user demand such as the back-to-school and holiday selling
periods. Resellers may increase orders during times of shortages, cancel
orders if the channel is filled with currently available products, or delay
orders in anticipation of new products. Any excess supply could result in
price reductions and inventory writedowns, which in turn could adversely
affect the Company's gross margins.
 
  Short Product Life Cycle. The short life cycles of many of Hewlett-Packard's
products pose a challenge for the effective management of the transition from
existing products to new products and could adversely affect its future
operating results. Product development or manufacturing delays, variations in
product costs, and delays in customer purchases of existing products in
anticipation of new product introductions are among the factors that make a
smooth transition from current products to new products difficult. In
addition, the timing of competitors' introductions of new products and
services may negatively affect the Company's future operating results,
especially when these introductions coincide with periods leading up to
Hewlett-Packard's own introduction of new or enhanced products. Furthermore,
some of Hewlett-Packard's own new products may replace or compete with certain
of its current products.
 
  Intellectual Property. Hewlett-Packard generally relies upon patent,
copyright, trademark and trade secret laws in the United States and in
selected other countries to establish and maintain its proprietary rights in
its technology and products. However, there can be no assurance that any of
the Company's proprietary rights will not be challenged, invalidated or
circumvented, or that any such rights will provide significant competitive
advantages. Moreover, because of the rapid pace of technological change in the
information technology industry, many of Hewlett-Packard's products rely on
key technologies developed by others. There can be no assurance that the
Company will be able to continue to obtain licenses to such technologies. In
addition, from time to time
 
                                       3
<PAGE>
 
the Company receives notices from third parties regarding patent or copyright
claims. Any such claims, with or without merit, could be time-consuming to
defend, result in costly litigation, divert management's attention and
resources and cause the Company to incur significant expenses. In the event of
a successful claim of infringement against Hewlett-Packard and failure or
inability of Hewlett-Packard to license the infringed technology or to
substitute similar noninfringing technology, the Company's business could be
adversely affected.
 
  Reliance on Suppliers. Portions of Hewlett-Packard's manufacturing
operations are dependent on the ability of suppliers to deliver quality
components, subassemblies and completed products in time to meet critical
manufacturing and distribution schedules. Hewlett-Packard periodically
experiences constrained supply of certain component parts in some product
lines as a result of strong demand in the industry for those parts. Such
constraints, if persistent, may adversely affect the Company's operating
results until alternative sourcing can be developed. In order to secure
components for production and introduction of new products, Hewlett-Packard at
times makes advance payments to certain suppliers, and often enters into
noncancelable purchase commitments with vendors for such components.
Volatility in the prices of these component parts, the possible inability of
the Company to secure enough components at reasonable prices to build new
products in a timely manner in the quantities and configurations demanded or,
conversely, a temporary oversupply of these parts, could adversely affect its
future operating results.
 
  Reliance on Third-Party Distributor Channels. The Company continues to
expand into third-party distribution channels to accommodate changing customer
preferences. As a result, the financial health of resellers of Hewlett-Packard
products, and the Company's continuing relationships with such resellers, are
becoming more important to its success. Some of these companies are thinly
capitalized and may be unable to withstand changes in business conditions.
Hewlett-Packard's financial results could be adversely affected if the
financial condition of certain of these resellers substantially weakens or if
its relationship with such resellers deteriorates.
 
  International. Sales outside the United States make up more than half of
Hewlett-Packard's revenues. In addition, a portion of the Company's product
and component manufacturing, along with key suppliers, are located outside the
United States. Accordingly, Hewlett-Packard's future results could be
adversely affected by a variety of factors, including changes in a specific
country's or region's political or economic conditions, trade protection
measures, import or export licensing requirements, the overlap of different
tax structures, unexpected changes in regulatory requirements and natural
disasters.
 
  Derivative Financial Instruments. The Company is also exposed to foreign
currency exchange rate risk inherent in its sales commitments, anticipated
sales and assets and liabilities denominated in currencies other than the U.S.
dollar, as well as interest rate risk inherent in the Company's debt,
investment and finance receivable portfolios. As more fully described in the
notes to the Company's annual and interim financial statements incorporated by
reference in this Prospectus, the Company's risk management strategy utilizes
derivative financial instruments, including forwards, swaps, and purchased
options to hedge certain foreign currency and interest rate exposures, with
the intent of offsetting gains and losses that occur on the underlying
exposures with gains and losses on the derivative contracts hedging them. The
Company does not enter into derivatives for trading purposes.
 
  The Company has performed a sensitivity analysis assuming a hypothetical 10%
adverse movement in foreign exchange rates and interest rates applied to the
hedging contracts and underlying exposures described above. As of October 31,
1997, the analysis indicated that such market movements would not have a
material effect on the Company's consolidated financial position, results of
operations or cash flows. Actual gains and losses in the future may differ
materially from that analysis, however, based on changes in the timing and
amount of interest rate and foreign currency exchange rate movements and the
Company's actual exposures and hedges.
 
  Acquisition, Strategic Alliances, Joint Ventures and Divestitures. As a
matter of course, Hewlett-Packard frequently engages in discussions with a
variety of parties relating to possible acquisitions, strategic alliances,
joint ventures and divestitures. Although consummation of any transaction is
unlikely to have a material effect on Hewlett-Packard's results as a whole,
the implementation or integration of a transaction may contribute to its
 
                                       4
<PAGE>
 
results differing from the investment community's expectation in a given
quarter. Divestitures may result in the cancellation of orders and charges to
earnings. Acquisitions and strategic alliances may require, among other
things, integration or coordination with a different company culture,
management team organization and business infrastructure. They may also
require the development, manufacture and marketing of product offerings with
Hewlett-Packard's products in a way that enhances the performance of the
combined business or product line. Depending on the size and complexity of the
transaction, successful integration depends on a variety of factors, including
the hiring and retention of key employees, the management of geographically
separate facilities, and the integration or coordination of different research
and development and product manufacturing facilities. All of these efforts
require varying levels of management resources, which may temporarily
adversely impact other business operations.
 
  Earthquake. A portion of Hewlett-Packard's research and development
activities, its corporate headquarters, other critical business operations and
certain of its suppliers are located near major earthquake faults. The
ultimate impact on the Company, its significant suppliers and the general
infrastructure is unknown, but operating results could be materially affected
in the event of a major earthquake. Hewlett-Packard is predominantly self-
insured for losses and interruptions caused by earthquakes.
 
  Environmental. Certain of Hewlett-Packard's operations involve the use of
substances regulated under various federal, state and international laws
governing the environment. It is the Company's policy to apply strict
standards for environmental protection to sites inside and outside the U.S.,
even if not subject to regulations imposed by local governments. The liability
for environmental remediation and related costs is accrued when it is
considered probable and the costs can be reasonably estimated. Environmental
costs are presently not material to the Company's operations or financial
position.
 
  Year 2000. Many computer systems experience problems handling dates beyond
the year 1999. Therefore, some computer hardware and software will need to be
modified prior to the year 2000 in order to remain functional. The company is
assessing both the internal readiness of its computer systems and the
compliance of its computer products and software sold to customers for
handling the year 2000. The Company expects to implement successfully the
systems and programming changes necessary to address year 2000 issues and does
not believe that the cost of such actions will have a material effect on the
Company's results of operations or financial condition. There can be no
assurance, however, that there will not be a delay in, or increased costs
associated with, the implementation of such changes, and the Company's
inability to implement such changes could have an adverse effect on future
results of operations.
 
  Quarterly Fluctuations and Volatility of Stock Price. Although Hewlett-
Packard believes that it has the product offerings and resources needed for
continuing success, future revenue and margin trends cannot be reliably
predicted and may cause the Company to adjust its operations, which could
cause period-to-period fluctuations in operating results. Hewlett-Packard's
stock price, like that of other technology companies, is subject to
significant volatility. The announcement of new products, services or
technological innovations by Hewlett-Packard or its competitors, quarterly
variations in its results of operations, changes in revenue or earnings
estimates by the investment community and speculation in the press or
investment community are among the factors affecting its stock price. In
addition, the stock price may be affected by general market conditions and
domestic and international macroeconomic factors unrelated to Hewlett-
Packard's performance. Because of the foregoing reasons, recent trends should
not be considered reliable indicators of future stock prices or financial
results.
 
  Subordination of LYONs to Other Indebtedness. The LYONs are general,
unsecured obligations of the Company, subordinated in right of payment to all
existing and future Senior Indebtedness of Hewlett-Packard. Under the
Indenture, upon any distribution of the Company's assets in the event of: (i)
any insolvency or bankruptcy case or proceeding, or any receivership,
liquidation, reorganization or other similar case or proceeding in connection
therewith, relative to the Company or its creditors, or to its assets, or (ii)
any liquidation, dissolution or other winding up of the Company, whether
voluntary or involuntary and whether or not involving insolvency or
bankruptcy, or (iii) any assignment for the benefit of creditors or any other
 
                                       5
<PAGE>
 
marshalling of assets and liabilities of the Company, then the holders of all
Senior Indebtedness will first be entitled to receive payment in full of all
amounts due or to become due thereon, or payment of such amounts will have
been provided for, before the Holders will be entitled to receive any payment
or distribution with respect to any LYONs. At November 30, 1997, there was
approximately $4.7 billion of indebtedness outstanding (excluding obligations
under foreign exchange and interest rate swap contracts), of which
approximately $1.1 billion relates to the LYONs. In addition, the LYONs are
effectively subordinated to the claims of all creditors of the Company's
subsidiaries, including trade creditors. The Indenture does not restrict the
future incurrence of Senior Indebtedness or other indebtedness by Hewlett-
Packard or any of its subsidiaries. See "Description of LYONs--Subordination
of LYONs."
 
  A significant percentage of the assets and revenues of Hewlett-Packard is
held by or derived from the operations of its subsidiaries. As a result, trade
creditors and other creditors of these subsidiaries may have claims that are
effectively superior to those of the Holders in respect of their LYONs, whose
recourse to the assets and revenues of these subsidiaries is derived solely
from the equity interest therein of Hewlett-Packard.
 
                                  THE COMPANY
 
  Hewlett-Packard was incorporated in 1947 under the laws of the State of
California as the successor to a partnership founded in 1939 by William R.
Hewlett and David Packard. On a worldwide basis, the Company designs,
manufactures and services equipment and systems for measurement, computation
and communications. The Company offers a wide variety of systems and
standalone products, including computer systems, personal computers, printers
and other hardcopy and imaging products, calculators and other personal
information products, electronic test equipment and systems, medical
electronic equipment, components based on optoelectronic, silicon and compound
semiconductor technologies, and instrumentation for chemical analysis.
Services such as systems integration, selective-outsourcing management,
consulting, education, product financing and rentals, as well as customer
support and maintenance, are also an integral part of the Company's offerings.
 
  Hewlett-Packard's principal executive offices are located at 3000 Hanover
Street, Palo Alto, California 94304. Its telephone number is (650) 857-1501.
 
                                USE OF PROCEEDS
 
  The Company will not receive any proceeds from sales of the LYONs or shares
of Common Stock sold from time to time hereunder. The Company has agreed to
bear certain expenses in connection with the registration of the LYONs and
Common Stock issued upon conversion of the LYONs being offered and sold by the
Selling Holders.
 
                                       6
<PAGE>
 
                        SELECTED FINANCIAL INFORMATION
 
  The selected historical annual financial information of the Company (except
for information pertaining to orders and numbers of employees) for the fiscal
years ended October 31, 1996, 1995 and 1994 has been derived from the audited
consolidated financial statements and notes thereto of the Company
incorporated by reference in this Prospectus, and should be read in
conjunction therewith. The selected historical annual financial information of
the Company for the fiscal year ended October 31, 1997, in the opinion of the
Company's management, reflects all adjustments necessary for the fair
statement of such financial information.
 
                        SELECTED FINANCIAL INFORMATION
 
   (IN MILLIONS, EXCEPT PER SHARE AMOUNTS, NUMBERS OF EMPLOYEES AND RATIOS)
 
<TABLE>
<CAPTION>
                                                 YEAR ENDED OCTOBER 31,
                                         ---------------------------------------
                                          1997    1996    1995    1994    1993
                                         ------- ------- ------- ------- -------
<S>                                      <C>     <C>     <C>     <C>     <C>
OPERATING RESULTS
  Orders...............................  $43,153 $38,889 $32,685 $25,350 $20,772
  Net revenue..........................  $42,895 $38,420 $31,519 $24,991 $20,317
  Earnings from operations.............  $ 4,339 $ 3,726 $ 3,568 $ 2,549 $ 1,879
  Net earnings.........................  $ 3,119 $ 2,586 $ 2,433 $ 1,599 $ 1,177
PER SHARE AMOUNTS
  Net earnings.........................  $  2.95 $  2.46 $  2.31 $  1.54 $  1.16
  Cash dividends.......................  $   .52 $   .44 $   .35 $  .275 $  .225
BALANCE SHEET (AT END OF PERIOD)
  Total assets.........................  $31,749 $27,699 $24,427 $19,567 $16,736
  Long-term debt.......................  $ 3,158 $ 2,579 $   663 $   547 $   667
  Employees............................  121,900 112,000 102,300  98,400  96,200
RATIO OF EARNINGS TO FIXED CHARGES (1).    13.67    9.09   12.39   10.44    9.06
</TABLE>
- --------
(1) The ratio of earnings to fixed charges was computed by dividing earnings
    (income from continuing operations before income taxes, adjusted for fixed
    charges, minority interest in the income of subsidiaries with fixed
    charges and equity in earnings or loss of equity investees) by fixed
    charges for the periods indicated. Fixed charges include (i) interest
    expense and amortization of debt discount or premium on all indebtedness,
    and (ii) a reasonable approximation of the interest factor deemed to be
    included in rental expense.
 
                                       7
<PAGE>
 
                             DESCRIPTION OF LYONS
 
  The LYONs were issued under the Indenture. A copy of the Indenture is filed
as an Exhibit to the Registration Statement and is also available for
inspection during normal business hours at the corporate trust office of the
Trustee. The following summaries of certain provisions of the LYONs and the
Indenture do not purport to be complete and are subject to, and are qualified
in their entirety by reference to, all of the provisions of the LYONs and the
Indenture, including the definitions therein of certain terms which are not
otherwise defined in this Prospectus. Wherever particular provisions or
defined terms of the Indenture (or of the Form of LYON which is a part
thereof) are referred to, such provisions or defined terms are incorporated
herein by reference. References herein are to sections in the Indenture and
paragraphs in the Form of LYON.
 
GENERAL
 
  The LYONs are unsecured subordinated obligations of the Company limited to
$2,000,000,000 aggregate principal amount at maturity and will mature on
October 14, 2017. The principal amount at maturity of each LYON is $1,000
(except as may be adjusted upon conversion of the LYONs to semiannual coupon
notes following a Tax Event) and will be payable at the office of the Paying
Agent, which initially will be the Trustee, or an office or agency maintained
by the Company for such purpose in the Borough of Manhattan, The City of New
York.
 
  The LYONs were originally issued at a substantial discount from their
principal amount at maturity. See "Certain United States Federal Income Tax
Considerations--Original Issue Discount." Except as discussed below under "--
Optional Conversion to Semiannual Coupon Note upon Tax Event," there will be
no periodic payments of interest on the LYONs. The calculation of the accrual
of Original Issue Discount (the difference between the Issue Price and the
principal amount at maturity of a LYON) in the period during which a LYON
remains outstanding will be on a semiannual bond equivalent basis using a 360-
day year composed of twelve 30-day months. Such accrual commenced on the issue
date of the LYONs. In the event of the maturity, conversion, purchase by the
Company at the option of a Holder or redemption of a LYON, Original Issue
Discount and interest, if any, will cease to accrue on such LYON, under the
terms and subject to the conditions (summaries of which are set forth below)
of the Indenture. The Company may not reissue a LYON that has matured or been
converted, purchased by the Company at the option of a Holder, redeemed or
otherwise canceled (except for registration of transfer, exchange or
replacement thereof).
 
  Because certain of its operations are conducted through subsidiaries, the
Company's cash flow and consequent ability to meet its debt obligations are
dependent in part upon the earnings of its subsidiaries and on dividends and
other payments therefrom. Since the LYONs are solely an obligation of the
Company, the Company's subsidiaries are not obligated or required to pay any
amounts due pursuant to the LYONs or to make funds available therefor in the
form of dividends or advances to the Company. At November 30, 1997, the
Company and its subsidiaries had outstanding approximately $4.7 billion of
indebtedness (excluding obligations under foreign exchange and interest rate
swap contracts), of which approximately $1.1 billion relates to the LYONs. In
addition, the Company and its consolidated subsidiaries had outstanding on
such date foreign exchange contracts and interest rate swap contracts to which
the LYONs would have been contractually or effectively subordinated.
 
FORM, DENOMINATION AND REGISTRATION
 
  The LYONs were issued in definitive registered form, without coupons, in
minimum denominations of $1,000 principal amount at maturity and in integral
multiples of $1,000 in principal amount at maturity in excess thereof. The
LYONs were issued in fully registered book-entry form and are represented by
one or more global LYONs without coupons (each, a "Global LYON") deposited
with a custodian for and registered in the name of Cede & Co. (DTC's
partnership nominee) in New York, New York. Beneficial interests in any such
Global LYONs are shown on, and transfers thereof will be effected only
through, records maintained by DTC and its direct and indirect participants,
and any such interest may not be exchanged for LYONs in certificated form
except in the limited circumstances described herein. The LYONs offered hereby
may be transferred only in denominations of $1,000 principal amount at
maturity and integral multiples thereof.
 
                                       8
<PAGE>
 
  So long as DTC, or its nominee, is the registered owner or Holder of a
Global LYON, DTC or such nominee, as the case may be, will be considered the
sole owner or Holder of the LYONs represented by such Global LYON for all
purposes under the Indenture and the LYONs. No beneficial owner of an interest
in a Global LYON will be able to transfer that interest except in accordance
with DTC's applicable procedures (in addition to those under the Indenture
referred to herein and, if applicable, those of Euroclear System ("Euroclear")
and Cedel Bank Societe Anonyme ("Cedel")).
 
  No service charge will be made for any registration of transfer or exchange
of LYONs but the Company may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.
 
  Ownership of beneficial interests in a Global LYON is limited to persons who
have accounts with DTC ("participants") or persons who hold interests through
participants. Ownership of beneficial interests in the Global LYONs is shown
on, and the transfer of that ownership will be effected through, records
maintained by DTC (with respect to interests of participants) and the records
of participants (with respect to interests of persons other than
participants).
 
  Payments on Global LYONs will be made to DTC or its nominee, as the
registered owner thereof. Neither the Company, the Trustee nor any Paying
Agent will have any responsibility or liability for any aspect of the records
relating to or payments made on account of beneficial ownership interests in
the Global LYONs or for maintaining, supervising or reviewing any records
relating to such beneficial ownership interests.
 
  The Company expects that DTC or its nominee, upon receipt of any payment in
respect of a Global LYON held by it or its nominee, will credit participants'
accounts with payments in amounts proportionate to their respective beneficial
interests in the principal amount of such Global LYON as shown on the records
of DTC or its nominee. The Company also expects that payments by participants
to owners of beneficial interests in such Global LYON held through such
participants will be governed by standing instructions and customary
practices, as is now the case with securities held for the accounts of
customers registered in the names of nominees for such customers. Such
payments, however, will be the responsibility of such participants.
 
  Transfers between participants in DTC will be effected in accordance with
DTC rules and will be settled in same-day funds. The laws of some states,
however, require that certain persons take physical delivery of securities in
definitive form.
 
  DTC will take any action permitted to be taken by a Holder of LYONs
(including the presentation of LYONs for exchange as described below) only at
the direction of one or more participants to whose account interests in the
Global LYONs are credited and only in respect of such portion of the aggregate
principal amount of the LYONs as to which such participant or participants has
or have given such direction. However, if there is an Event of Default under
the LYONs, DTC will exchange the Global LYONs for LYONs in certificated form,
which it will distribute to its participants.
 
  The Company may decide to discontinue use of the system of book-entry
transfers through DTC (or a successor securities depositary). In such event,
certificates representing the LYONs will be printed and delivered.
 
  In case any LYON in certificated form shall become mutilated, defaced,
destroyed, lost or stolen, the Company will execute and upon the Company's
request the Trustee will authenticate and deliver a new LYON, of like tenor
(including the same date of issuance) and equal principal amount at maturity,
registered in the same manner, dated the date of its authentication in
exchange and substitution for such LYON (upon surrender and cancellation
thereof) or in lieu of and substitution for such LYON. In case such LYON is
destroyed, lost or stolen, the applicant for a substituted LYON shall furnish
to the Company and the Trustee such security or indemnity as may be required
by them to hold each of them harmless, and, in every case of destruction, loss
or theft of such LYON, the applicant shall also furnish to the Company
satisfactory evidence of the destruction, loss or theft of such LYON and of
the ownership thereof. Upon the issuance of any substituted LYON, the Company
may require the payment by the registered Holder thereof of a sum sufficient
to cover fees and expenses connected therewith.
 
                                       9
<PAGE>
 
SUBORDINATION OF LYONS
 
  Indebtedness evidenced by the LYONs is subordinated in right of payment as
set forth in the Indenture, to the prior payment in full of all existing and
future Senior Indebtedness. Upon any payment or distribution of assets of the
Company to creditors upon any dissolution, winding up, liquidation or
reorganization of the Company, whether voluntary or involuntary, or in
bankruptcy, insolvency, receivership or other similar proceedings, the holders
of all Senior Indebtedness shall first be entitled to receive payment in full
of all amounts due or to become due thereon, or payment of such amounts shall
have been provided for, before the Holders of LYONs shall be entitled to
receive any payment or distribution with respect to any LYONs.
 
  By reason of the subordination described herein, in the event of insolvency,
upon any distribution of the assets of the Company, (i) Holders are required
to pay over their share of such distribution to the trustee in bankruptcy,
receiver or other person distributing the assets of the Company for
application to the payment of all Senior Indebtedness remaining unpaid, to the
extent necessary to pay all holders of Senior Indebtedness in full and (ii)
unsecured creditors of the Company who are not Holders of LYONs or holders of
Senior Indebtedness of the Company may recover less, ratably, than holders of
Senior Indebtedness of the Company and may recover more, ratably, than the
Holders of LYONs.
 
  The term "Senior Indebtedness" means, without duplication, the principal,
premium (if any) and unpaid interest on all present and future (i)
indebtedness of the Company for borrowed money, (ii) obligations of the
Company evidenced by bonds, debentures, notes or similar instruments, (iii)
obligations of the Company under (a) interest rate swaps, caps, collars,
options, and similar arrangements, (b) any foreign exchange contract, currency
swap contract, futures contract, currency option contract, or other foreign
currency hedge, and (c) credit swaps, caps, floors, collars and similar
arrangements, (iv) indebtedness incurred, assumed or guaranteed by the Company
in connection with the acquisition by it or a Subsidiary of any business,
properties or assets (except purchase-money indebtedness classified as
accounts payable under generally accepted accounting principles), (v)
obligations and liabilities (contingent or otherwise) in respect of leases of
the Company required, in conformity with generally accepted accounting
principles, to be accounted for as capitalized lease obligations on the
balance sheet of the Company and all obligations and liabilities (contingent
or otherwise) under any lease or related document (including a purchase
agreement) in connection with the lease of real property which provides that
the Company is contractually obligated to purchase or cause a third party to
purchase the leased property and thereby guarantee a minimum residual value of
the leased property to the lessor and the obligations of the Company under
such lease or related document to purchase or to cause a third party to
purchase such leased property, (vi) reimbursement obligations of the Company
in respect of letters of credit relating to indebtedness or other obligations
of the Company that qualify as indebtedness or obligations of the kind
referred to in clauses (i) through (v) above, and (vii) obligations of the
Company under direct or indirect guaranties in respect of, and obligations
(contingent or otherwise) to purchase or otherwise acquire, or otherwise to
assure a creditor against loss in respect of, indebtedness or obligations of
others of the kinds referred to in clauses (i) through (vi) above, in each
case unless in the instrument creating or evidencing the indebtedness or
obligation or pursuant to which the same is outstanding it is provided that
such indebtedness or obligation is not superior in right of payment to the
LYONs.
 
  The LYONs are effectively subordinated to all existing and future
liabilities of the Company's subsidiaries. Any right of the Company to
participate in any distribution of the assets of any of its subsidiaries upon
the liquidation, reorganization or insolvency of such subsidiary (and the
consequent right of Holders to participate in those assets) will be subject to
the claims of the creditors (including trade creditors) of such subsidiary,
except to the extent that claims of the Company itself as a creditor of such
subsidiary may be recognized, in which case the claims of the Company would
still be subordinate to any security interest in the assets of such subsidiary
and any indebtedness of such subsidiary senior to that held by the Company. At
November 30, 1997, the Company and its subsidiaries had outstanding
approximately $4.7 billion of indebtedness (excluding obligations under
foreign exchange and interest rate swap contracts), of which approximately
$1.1 billion relates to the LYONs. In addition, the Company and its
consolidated subsidiaries had outstanding on such date foreign exchange
contracts
 
                                      10
<PAGE>
 
and interest rate swap contracts to which the LYONs would have been
contractually or effectively subordinated. There is no restriction under the
Indenture on the Company's incurring additional indebtedness, including Senior
Indebtedness.
 
CONVERSION RIGHTS
 
  A Holder of a LYON may convert it into shares of Common Stock at any time
before the close of business on October 14, 2017; provided, however, that if a
LYON is called for redemption, the Holder may convert it at any time before
the close of business on the Redemption Date. Upon conversion of a LYON, the
Company may elect to deliver shares of Common Stock or an amount of cash
determined as described below. A LYON in respect of which a Holder has
delivered a Purchase Notice or a Change in Control Purchase Notice exercising
the option of such Holder to require the Company to purchase such LYON may be
converted only if such notice is withdrawn by a written notice of withdrawal
delivered by the Holder to the Paying Agent prior to the close of business on
the Purchase Date or the Change in Control Purchase Date, as the case may be,
in accordance with the terms of the Indenture.
 
  The initial Conversion Rate for the LYONs is 5.430 shares of Common Stock
per $1,000 principal amount at maturity, subject to adjustment upon the
occurrence of certain events described below. A Holder otherwise entitled to a
fractional share of Common Stock will receive cash in an amount equal to the
product of such fractional share and the Sale Price on the Trading Day
immediately preceding the Conversion Date. A Holder may convert a portion of
such Holder's LYONs so long as such portion is $1,000 principal amount at
maturity or an integral multiple thereof.
 
  To convert a LYON, a Holder must (i) complete and manually sign the
conversion notice on the back of the LYON (or complete and manually sign a
facsimile thereof) and deliver such notice to the Conversion Agent (initially
the Trustee) at the office maintained by the Conversion Agent for such
purpose, (ii) surrender the LYON to the Conversion Agent, (iii) if required,
furnish appropriate endorsements and transfer documents, and (iv) if required,
pay all transfer or similar taxes. Pursuant to the Indenture, the date on
which all of the foregoing requirements have been satisfied is the Conversion
Date.
 
  Upon conversion of a LYON, a Holder will not receive any cash payment
representing accrued Original Issue Discount. The Company's delivery to the
Holder of the fixed number of shares of Common Stock (or cash in the
applicable amount as described below) into which the LYON is convertible
(together with the cash payment, if any, in lieu of any fractional shares)
will satisfy the Company's obligation to pay the principal amount at maturity
of the LYON, including the accrued Original Issue Discount attributable to the
period from the Issue Date to the Conversion Date. Thus, the accrued Original
Issue Discount will be deemed to be paid in full rather than cancelled,
extinguished or forfeited. The Conversion Rate will not be adjusted at any
time during the term of the LYONs for accrued Original Issue Discount. A
certificate for the number of full shares of Common Stock into which any LYON
is converted (and for cash in lieu of fractional shares) will be delivered
through the Conversion Agent no later than the seventh business day following
the Conversion Date. For a discussion of the tax treatment of a Holder
receiving Common Stock upon conversion, see "Certain United States Federal
Income Tax Considerations--Disposition or Conversion of LYONs."
 
  In lieu of delivering shares of Common Stock upon notice or conversion of
any LYONs, the Company may elect to pay the Holder surrendering such LYONs an
amount in cash per LYON equal to the Sale Price (as defined under "--Purchase
of LYONs at the Option of the Holder") of a share of Common Stock on the
Trading Day immediately prior to the Conversion Date multiplied by the
Conversion Rate in effect on such Trading Day, subject to adjustment upon the
occurrence of certain events described below; provided, that if such payment
of cash is not permitted pursuant to the provisions of the Indenture or
otherwise, the Company shall deliver shares of Common Stock (and cash in lieu
of fractional shares) as set forth below. Upon conversion of any LYONs, the
Company shall inform the Holders through the Conversion Agent of its election
to deliver shares of Common Stock or to pay cash in lieu of delivery of such
shares no later than two business days following the Conversion Date. If the
Company elects to deliver shares of Common Stock, such shares will be
delivered through the
 
                                      11
<PAGE>
 
Conversion Agent no later than the seventh business day following the
Conversion Date. If the Company elects to pay cash, such cash payment will be
made to the Holder surrendering such LYONs no later than the fifth business
day following such Conversion Date.
 
  The Company may not pay cash upon conversion of any LYONs (other than cash
in lieu of fractional shares) if there has occurred and is continuing an Event
of Default described under "--Events of Default; Notice and Waiver" below
(other than a default in such payment on such LYONs).
 
  The Conversion Rate will be adjusted for dividends or distributions on
Common Stock payable in Common Stock or other capital stock of the Company;
certain subdivisions, combinations or reclassifications of Common Stock;
distributions to all holders of Common Stock of certain rights, warrants or
options to purchase Common Stock or securities convertible into Common Stock
for a period expiring within 60 days after the record date for such
distribution at a price per share less than the Sale Price at the time; and
distributions to all holders of Common Stock of assets or debt securities of
the Company or rights, warrants or options to purchase securities of the
Company (excluding cash dividends or other cash distributions (except to the
extent cash dividends or other cash distributions constitute Extraordinary
Cash Dividends) from consolidated current net earnings or earned surplus or
dividends payable in Common Stock). However, no adjustment need be made if
Holders may participate in the transactions on a basis and with notice that
the Board of Directors of the Company determines to be fair and appropriate,
or in certain other cases. In cases where the fair market value of the portion
of assets, debt securities or rights, warrants or options to purchase
securities of the Company applicable to one share of Common Stock distributed
to shareholders exceeds the Average Sale Price (as defined below) per share of
Common Stock, or such Average Sale Price exceeds such fair market value of
such portion of assets, debt securities or rights, warrants or options so
distributed by less than $1.00, rather than being entitled to an adjustment in
the Conversion Rate, the Holder of a LYON upon conversion thereof will be
entitled to receive, in addition to the shares of Common Stock into which such
LYON is convertible, the kind and amounts of assets, debt securities or
rights, options or warrants comprising the distribution that such Holder would
have received if such Holder had converted such LYON immediately prior to the
record date for determining the shareholders entitled to receive the
distribution. The Indenture permits the Company to increase the Conversion
Rate from time to time.
 
  "Average Sale Price" means the average of the Sale Prices of the Common
Stock for the shorter of: (i) 30 consecutive Trading Days ending on the last
full Trading Day prior to the Time of Determination with respect to the
rights, options, warrants or distribution in respect of which the Average Sale
Price is being calculated, or (ii) the period (x) commencing on the date next
succeeding the first public announcement of (a) the issuance of rights,
options or warrants or (b) the distribution, in each case, in respect of which
the Average Sale Price is being calculated and (y) proceeding through the last
full Trading Day prior to the Time of Determination with respect to the
rights, warrants or distribution in respect of which the Average Sale Price is
being calculated, or (iii) the period, if any, (x) commencing on the date next
succeeding the Ex-Dividend Time with respect to the next preceding (a)
issuance of rights, warrants, or options or (b) distribution, in each case,
for which an adjustment is required by the provisions of the Indenture and (y)
proceeding through the last full Trading Day prior to the Time of
Determination with respect to the rights, warrants, or options or distribution
in respect of which the Average Sale Price is being calculated. "Time of
Determination" means the time and date of the earlier of (i) the determination
of stockholders entitled to receive rights, warrants, or options or a
distribution, in each case, to which Sections 10.07 and 10.08 of the Indenture
apply and (ii) the time ("Ex-Dividend Time") immediately prior to the
commencement of "ex-dividend" trading for such rights, options, warrants or
distribution on the NYSE or such other national or regional exchange or market
on which shares of the Common Stock are then listed or quoted.
 
  If the Company is party to a consolidation, merger or binding share exchange
or a transfer of all or substantially all of its assets which is otherwise
permitted under the terms of the Indenture, the right to convert a LYON into
Common Stock may be changed into a right to convert it into the kind and
amount of securities, cash or other assets which the Holder would have
received if the Holder had converted such Holder's LYONs immediately prior to
the transaction.
 
                                      12
<PAGE>
 
  In the event of a taxable distribution to holders of Common Stock which
results in an adjustment of the Conversion Rate (or in which Holders otherwise
participate) or in the event the Conversion Rate is increased at the
discretion of the Company, the Holders may in certain circumstances, be deemed
to have received a distribution subject to United States federal income tax as
a dividend. See "Certain United States Federal Income Tax Considerations--
Adjustment of Conversion Price."
 
  In the event the Company exercises its option to have interest in lieu of
Original Issue Discount accrue on a LYON following a Tax Event, the Holder
will be entitled on conversion to receive the same number of shares of Common
Stock such Holder would have received if the Company had not exercised such
option. If the Company exercises such option, LYONs surrendered for conversion
during the period from the close of business on any Regular Record Date (as
defined herein) next preceding any Interest Payment Date (as defined herein)
to the opening of business of such Interest Payment Date (except LYONs to be
redeemed on a date within such period) must be accompanied by payment of an
amount equal to the interest thereon that the registered Holder is to receive.
Except where LYONs surrendered for conversion must be accompanied by payment
as described above, no interest on converted LYONs will be payable by the
Company on any Interest Payment Date subsequent to the date of conversion. See
"--Optional Conversion to Semiannual Coupon Note upon Tax Event."
 
REDEMPTION OF LYONS AT THE OPTION OF THE COMPANY
 
  No sinking fund is provided for the LYONs. Prior to October 14, 2000, the
LYONs will not be redeemable at the option of the Company. Thereafter, the
Company may redeem the LYONs as a whole for cash at any time, or from time to
time in part, upon not less than 15 days' nor more than 60 days' notice of
redemption given by mail to the Holders (unless a shorter notice shall be
satisfactory to the Trustee). Any such redemption must be in multiples of
$1,000 principal amount at maturity.
 
  The table below shows Redemption Prices of a LYON per $1,000 principal
amount at maturity on October 14, 2000, at each October thereafter prior to
maturity, and at maturity on October 14, 2017, which prices reflect the
accrued Original Issue Discount calculated to each such date. The Redemption
Price of a LYON redeemed between such dates would include an additional amount
reflecting the additional Original Issue Discount accrued since the next
preceding date in the table to, but excluding, the Redemption Date.
 
<TABLE>
<CAPTION>
                                                  (2)
                            (1)             ACCRUED ORIGINAL               (3)
                           LYON              ISSUE DISCOUNT          REDEMPTION PRICE
 REDEMPTION DATE        ISSUE PRICE            AT 3.125%                (1) + (2)
 ---------------        -----------         ----------------         ----------------
<S>                     <C>                 <C>                      <C>
October 14, 2000          537.85                  52.44                    590.29
October 14, 2001          537.85                  71.03                    608.88
October 14, 2002          537.85                  90.20                    628.05
October 14, 2003          537.85                 109.98                    647.83
October 14, 2004          537.85                 130.39                    668.24
October 14, 2005          537.85                 151.43                    689.28
October 14, 2006          537.85                 173.14                    710.99
October 14, 2007          537.85                 195.53                    733.38
October 14, 2008          537.85                 218.63                    756.48
October 14, 2009          537.85                 242.46                    780.31
October 14, 2010          537.85                 267.03                    804.88
October 14, 2011          537.85                 292.38                    830.23
October 14, 2012          537.85                 318.53                    856.38
October 14, 2013          537.85                 345.50                    883.35
October 14, 2014          537.85                 373.32                    911.17
October 14, 2015          537.85                 402.02                    939.87
October 14, 2016          537.85                 431.62                    969.47
At Stated Maturity        537.85                 462.15                  1,000.00
</TABLE>
 
                                      13
<PAGE>
 
  If converted to semiannual coupon notes following the occurrence of a Tax
Event, the LYONs will be redeemable at the Restated Principal Amount plus
accrued and unpaid interest from the date of such conversion to, but
excluding, the Redemption Date; provided, however, that in no event may the
LYONs be redeemed prior to October 14, 2000. See "--Optional Conversion to
Semiannual Coupon Note upon Tax Event."
 
  If fewer than all of the LYONs are to be redeemed, the Trustee shall select
the LYONs to be redeemed in principal amounts at maturity of $1,000 or
integral multiples thereof by lot, pro rata or by another method the Trustee
considers fair and appropriate. If a portion of a Holder's LYONs is selected
for partial redemption and such Holder converts a portion of such LYONs prior
to such redemption, such converted portion shall be deemed, solely for
purposes of determining the aggregate Principal Amount of LYONs to be redeemed
by the Company, to be of the portion selected for redemption.
 
PURCHASE OF LYONS AT THE OPTION OF THE HOLDER
 
  On October 14, 2000 (the "Purchase Date"), the Company will become obligated
to purchase, at the option of the Holder thereof, any outstanding LYON for
which a written notice (a "Purchase Notice") has been delivered by the Holder
to the Paying Agent or an office or agency maintained by the Company for such
purpose in the Borough of Manhattan, The City of New York, at any time from
the opening of business on the date that is 20 business days preceding the
Purchase Date until the close of business on the Purchase Date and for which
such Purchase Notice has not been withdrawn, subject to certain additional
conditions set forth in part in the following paragraphs. The Purchase Price
for such LYONs will be $590.29 per $1,000 principal amount at maturity.
 
  If prior to the Purchase Date the LYONs have been converted to semiannual
coupon notes following the occurrence of a Tax Event, the Purchase Price will
be equal to the Restated Principal Amount plus accrued and unpaid interest
from the date of such conversion to, but excluding, the Purchase Date. See "--
Optional Conversion to Semiannual Coupon Note upon Tax Event."
 
  The Company, at its option, may elect to pay such Purchase Price in cash or
Common Stock, or any combination thereof. For a discussion of the tax
treatment of such a transaction, see "Certain United States Federal Income Tax
Considerations--Disposition or Conversion of LYONs."
 
  The Company will give notice (the "Company Notice") not less than 20
business days prior to the Purchase Date (the "Company Notice Date") to all
Holders at their addresses shown in the register of the Registrar (and to
beneficial owners as required by applicable law) stating, among other things
(i) whether the Company will pay the Purchase Price of the LYONs in cash or
Common Stock, or any combination thereof, and (ii) the procedures that Holders
must follow to require the Company to purchase LYONs from such Holders.
 
  The Purchase Notice given by any Holder requiring the Company to purchase
LYONs shall state (i) the certificate numbers of the LYONs to be delivered by
such Holder for purchase by the Company; (ii) the portion of the principal
amount at maturity of LYONs to be purchased, which portion must be $1,000 or
an integral multiple thereof; (iii) that such LYONs are to be purchased by the
Company pursuant to the applicable provisions of the LYONs; and (iv) if the
Company elects, pursuant to the Company Notice, to pay a specified percentage
of the Purchase Price in Common Stock but such specified percentage is
ultimately to be paid in cash because any of the conditions to payment of such
specified percentage of the Purchase Price in Common Stock contained in the
Indenture is not satisfied prior to the close of business on the Purchase
Date, as described below, that such Holder elects (a) to withdraw such
Purchase Notice as to some or all of the LYONs to which it relates (stating
the principal amount at maturity and certificate numbers of the LYONs as to
which such withdrawal shall relate) or (b) to receive cash in respect of the
Purchase Price of all LYONs subject to such Purchase Notice. If the Holder
fails to indicate such Holder's choice with respect to the election described
in clause (iv) above in the Purchase Notice, such Holder shall be deemed to
have elected to receive cash for the specified percentage that was to have
been payable in Common Stock. See "Certain United States Federal Income Tax
Considerations(Disposition or Conversion of LYONs."
 
                                      14
<PAGE>
 
  Any Purchase Notice may be withdrawn by the Holder by a written notice of
withdrawal delivered to the Paying Agent prior to the close of business on the
Purchase Date. The notice of withdrawal shall state the principal amount at
maturity and the certificate numbers of the LYONs as to which the withdrawal
notice relates and the principal amount at maturity, if any, which remains
subject to the Purchase Notice.
 
  If the Company elects to pay the Purchase Price, in whole or in part, in
shares of Common Stock, the number of shares to be delivered in respect of the
specified percentage of the Purchase Price to be paid in Common Stock shall be
equal to the dollar amount of such specified percentage of the Purchase Price
divided by the Market Price (as defined below) of a share of Common Stock.
However, no fractional shares of Common Stock will be delivered upon any
purchase by the Company of LYONs in payment, in whole or in part, of the
Purchase Price. Instead, the Company will pay cash based on the Market Price
for all fractional shares of Common Stock. Each Holder whose LYONs are
purchased at the option of such Holder as of the Purchase Date shall receive
the same percentage of cash or Common Stock in payment of the Purchase Price
for such LYONs, except as described above with regard to the payment of cash
in lieu of fractional shares of Common Stock. For a discussion of the
resulting tax consequences, see "Certain United States Federal Income Tax
Considerations--Disposition or Conversion of LYONs."
 
  The "Market Price" means the average of the Sale Price of the Common Stock
for the five Trading Day period ending on the third Trading Day prior to the
applicable Purchase Date, appropriately adjusted to take into account the
actual occurrence, during the seven Trading Days preceding such Purchase Date,
of certain events that would result in an adjustment of the Conversion Rate
with respect to the Common Stock. The "Sale Price" on any Trading Day means
the closing per share sale price for the Common Stock (or, if no closing sale
price is reported, the average of the bid and ask prices or, if more than one
in either case the average of the average bid and average ask prices) on such
Trading Day as reported in the composite transactions for the principal United
States securities exchange on which the Common Stock is traded or, if the
Common Stock is not listed on a United States national or regional securities
exchange, as reported by the National Association of Securities Dealers
Automated Quotation System. A "Trading Day" means each day on which the
securities exchange or quotation system which is used to determine the Sale
Price is open for trading or quotation. Because the Market Price of the Common
Stock is determined prior to the Purchase Date, Holders of LYONs bear the
market risk with respect to the value of the Common Stock to be received from
the date such Market Price is determined to the Purchase Date. The Company may
pay the Purchase Price, in whole or in part, in Common Stock only if the
information necessary to calculate the Market Price at that time is reported
in The Wall Street Journal or another daily newspaper of national circulation.
 
  Upon determination of the actual number of shares of Common Stock issuable
in accordance with the foregoing provisions, the Company will post such
information on the Company's site on the World Wide Web.
 
  The Company's right to purchase LYONs, in whole or in part, with shares of
Common Stock is subject to the Company's satisfying various conditions,
including the registration of the Common Stock under the Securities Act and
the Exchange Act, unless there exists an applicable exemption from
registration thereunder. If such conditions are not satisfied prior to the
close of business on the Purchase Date, the Company will pay the Purchase
Price of the LYONs in cash. The Company will comply with the provisions of
Rule 13e-4 and any other tender offer rules under the Exchange Act which may
then be applicable and will file Schedule 13E-4 or any other schedule required
thereunder in connection with any offer by the Company to purchase LYONs at
the option of the Holders thereof on a Purchase Date. The Company may not
change the form of consideration (or components or percentages of components
thereof) to be paid once the Company has given its Company Notice to Holders
of LYONs except as described in the second sentence of this paragraph.
 
  Payment of the Purchase Price for a LYON for which a Purchase Notice has
been delivered and not withdrawn is conditioned upon delivery of such LYON
(together with any necessary endorsements) to the Paying Agent or an office or
agency maintained by the Company for such purpose in the Borough of Manhattan,
The City of New York, at any time (whether prior to, on or after the Purchase
Date) after delivery of such Purchase Notice. Payment of the Purchase Price
for such LYON will be made promptly following the later of the business
 
                                      15
<PAGE>
 
day following the Purchase Date and the time of delivery of such LYON. If the
Paying Agent holds, in accordance with the terms of the Indenture, money or
securities sufficient to pay the Purchase Price of such LYON on the business
day following the Purchase Date, then, on and after the Purchase Date, such
LYON will cease to be outstanding and Original Issue Discount on such LYON
(or, if converted to semiannual coupon notes following the occurrence of a Tax
Event, interest on such notes) will cease to accrue and will be deemed paid,
whether or not such LYON is delivered to the Paying Agent, and all other
rights of the Holder shall terminate (other than the right to receive the
Purchase Price upon delivery of such LYON).
 
  The Company's ability to purchase LYONs with cash may be limited by the
terms of its then-existing borrowing agreements. No LYONs may be purchased
pursuant to the provisions described above if there has occurred and is
continuing an Event of Default described under "--Events of Default; Notice
and Waiver" below (other than a default in the payment of the Purchase Price
with respect to such LYONs).
 
CHANGE IN CONTROL REQUIRES PURCHASE OF LYONS AT THE OPTION OF THE HOLDER
 
  In the event of any Change in Control (as defined below) of the Company
occurring on or prior to October 14, 2000, each Holder of LYONs will have the
right, at the Holder's option, subject to the terms and conditions of the
Indenture, to require the Company to purchase all or any part (provided that
the principal amount at maturity must be $1,000 or an integral multiple
thereof) of the Holder's LYONs on the date that is 35 business days after the
occurrence of such Change in Control (the "Change in Control Purchase Date")
at a cash price equal to the Issue Price plus accrued Original Issue Discount
to the Change in Control Purchase Date (the "Change in Control Purchase
Price"). If prior to a Change in Control Purchase Date the LYONs have been
converted to semiannual coupon notes following the occurrence of a Tax Event,
the Company will be required to purchase the LYONs at a cash price equal to
the Restated Principal Amount plus accrued and unpaid interest from the date
of such conversion to, but excluding, the Change in Control Purchase Date.
Holders will not have any right to require the Company to purchase LYONs in
the event of any Change in Control of the Company occurring after October 14,
2000.
 
  Within 15 business days after the Change in Control, the Company shall mail
to the Trustee and to each Holder (and to beneficial owners as required by
applicable law) a notice regarding the Change in Control, which notice shall
state, among other things: (i) the date of such Change in Control and,
briefly, the events causing such Change in Control, (ii) the date by which the
Change in Control Purchase Notice (as defined below) must be given, (iii) the
Change in Control Purchase Date, (iv) the Change in Control Purchase Price,
(v) the name and address of the Paying Agent and the Conversion Agent, (vi)
the Conversion Rate and any adjustments thereto, (vii) that LYONs with respect
to which a Change in Control Purchase Notice is given by the Holder may be
converted into shares of Common Stock only if the Change in Control Purchase
Notice has been withdrawn in accordance with the terms of the Indenture,
(viii) the procedures that Holders must follow to exercise these rights, (ix)
the procedures for withdrawing a Change in Control Purchase Notice, (x) that
Holders who want to convert LYONs must satisfy the requirements set forth in
the LYONs and (xi) briefly, the conversion rights of Holders of LYONs.
 
  To exercise this purchase right, the Holder must deliver written notice of
the exercise of such right (a "Change in Control Purchase Notice") to the
Paying Agent or an office or agency maintained by the Company for such purpose
in the Borough of Manhattan, The City of New York, prior to the close of
business on the Change in Control Purchase Date. The Change in Control
Purchase Notice shall state (i) the certificate numbers of the LYONs to be
delivered by the Holder thereof for purchase by the Company; (ii) the portion
of the principal amount at maturity of LYONs to be purchased, which portion
must be $1,000 or an integral multiple thereof; and (iii) that such LYONs are
to be purchased by the Company pursuant to the applicable provisions of the
LYONs.
 
  Any Change in Control Purchase Notice may be withdrawn by the Holder by a
written notice of withdrawal delivered to the Paying Agent prior to the close
of business on the Change in Control Purchase Date. The notice of withdrawal
shall state the principal amount at maturity and the certificate numbers of
the LYONs as to which
 
                                      16
<PAGE>
 
the withdrawal notice relates and the principal amount at maturity, if any,
which remains subject to a Change in Control Purchase Notice.
 
  Payment of the Change in Control Purchase Price for a LYON for which a
Change in Control Purchase Notice has been delivered and not withdrawn is
conditioned upon delivery of such LYON (together with any necessary
endorsements) to the Paying Agent or an office or agency maintained by the
Company for such purpose in the Borough of Manhattan, The City of New York, at
any time (whether prior to, on or after the Change in Control Purchase Date)
after the delivery of such Change in Control Purchase Notice. Payment of the
Change in Control Purchase Price for such LYON will be made promptly following
the later of the business day following the Change in Control Purchase Date
and the time of delivery of such LYON. If the Paying Agent holds, in
accordance with the terms of the Indenture, money sufficient to pay the Change
in Control Purchase Price of such LYON on the business day following the
Change in Control Purchase Date, then, on and after the Change in Control
Purchase Date, such LYON will cease to be outstanding and Original Issue
Discount on such LYON (or, if such LYONs have been converted to semiannual
coupon notes, interest thereon) will cease to accrue and will be deemed paid,
whether or not such LYON is delivered to the Paying Agent, and all other
rights of the Holder shall terminate (other than the right to receive the
Change in Control Purchase Price upon delivery of such LYON).
 
  Under the Indenture, a "Change in Control" of the Company is deemed to have
occurred at such time as (i) any person (as the term "person" is used in
Section 13(d)(3) or Section 14(d)(2) of the Exchange Act) (other than the
Company, any Subsidiary of the Company, or any employee benefit plan of either
the Company or any Subsidiary of the Company), files a Schedule 13D or
Schedule l4D-1 under the Exchange Act (or any successor schedule, form or
report) disclosing that such person has become the beneficial owner of 50% or
more of the total voting power in the aggregate of all classes of Capital
Stock of the Company then outstanding normally entitled to vote in elections
of directors, or (ii) there shall be consummated any consolidation or merger
of the Company pursuant to which the Common Stock would be converted into
cash, securities or other property, in each case other than a consolidation or
merger of the Company in which the holders of Common Stock immediately prior
to the consolidation or merger have, directly or indirectly, at least a
majority of the total voting power in the aggregate of all classes of capital
stock of the continuing or surviving corporation immediately after the
consolidation or merger. The Indenture does not permit the Company's Board of
Directors to waive the Company's obligation to purchase LYONs at the option of
a Holder in the event of a Change in Control of the Company.
 
  The Company will comply with the provisions of Rule 13e-4, Rule l4e-l and
any other tender offer rules under the Exchange Act which may then be
applicable, and will file Schedule l3E-4 or any other schedule required
thereunder in connection with any offer by the Company to purchase LYONs at
the option of the Holders thereof upon a Change in Control. The Change in
Control purchase feature of the LYONs may in certain circumstances make more
difficult or discourage a takeover of the Company and, thus, the removal of
incumbent management. The Change in Control purchase feature, however, is not
the result of management's knowledge of any specific effort to accumulate
shares of Common Stock or to obtain control of the Company by means of a
merger, tender offer, solicitation or otherwise, or part of a plan by
management to adopt a series of anti-takeover provisions. Instead, the Change
in Control purchase feature is a standard term contained in other LYONs
offerings that have been marketed by Merrill Lynch & Co., Inc., Merrill Lynch,
Pierce, Fenner & Smith Incorporated ("Merrill Lynch") and the terms of such
feature resulted from negotiations between the Company and Merrill Lynch.
 
  If a Change in Control were to occur, there can be no assurance that the
Company would have funds sufficient to pay the Change in Control Purchase
Price for all of the LYONs that might be delivered by Holders seeking to
exercise the purchase right since the Company might also be required to prepay
certain Senior Indebtedness having financial covenants with change of control
provisions in favor of the holders thereof. In addition, the Senior
Indebtedness of the Company may have cross-default provisions that could be
triggered by a default under the change of control provisions in such Senior
Indebtedness, thereby possibly accelerating the
 
                                      17
<PAGE>
 
maturity of such Senior Indebtedness. In such case, the Holders of the LYONs
would be subordinated to the prior claims of the holders of such Senior
Indebtedness. In addition, the Company's ability to purchase LYONs with cash
may be limited by the terms of its then-existing borrowing agreements. No
LYONs may be purchased pursuant to the provisions described above if there has
occurred and is continuing an Event of Default described under "--Events of
Default; Notice and Waiver" below (other than a default in the payment of the
Change in Control Purchase Price with respect to such LYONs).
 
REGISTRATION RIGHTS
 
  Pursuant to the Registration Rights Agreement, dated as of October 14, 1997,
between the Company and Merrill Lynch & Co., Inc., the Company has agreed to
use reasonable efforts to keep the Registration Statement effective with
respect to the LYONs until one year from the date of initial issuance of the
LYONs or, in the case of the Common Stock issued upon conversion of the LYONs,
until two years from the date of initial issuance of the LYONs or such earlier
date as all securities registrable thereunder (the "Registrable Securities")
have been disposed of (the "Effectiveness Period"). The Registration Statement
will not be available for sales of Registrable Securities (i) for up to an
aggregate of 30 days in any twelve-month period upon notice by the Company to
the holders of Registrable Securities (the "Unavailability Notice") in the
event of certain material developments and (ii) during the periods from
January 16, 1998 through and including February 18, 1998, April 15, 1998
through and including May 19, 1998, July 15, 1998 through and including August
18, 1998, October 14, 1998 through and including November 17, 1998, January
18, 1999 through and including February 17, 1999, April 14, 1999 through and
including May 18, 1999, July 16, 1999 through and including August 17, 1999
and October 14, 1999 through and including November 16, 1999. Each day that
the Registration Statement is unavailable with respect to the sale of LYONs
because of the Company's delivery of an Unavailability Notice will increase by
one day the one-year period described in the first sentence of this paragraph
during which the Company will maintain the effectiveness of the Registration
Statement with respect to the LYONs.
 
MERGERS AND SALES OF ASSETS BY THE COMPANY
 
  The Company may, without the consent of any Holders of outstanding LYONs,
consolidate with or merge into, or transfer or lease its assets substantially
as an entirety to, any individual, corporation, partnership, joint venture,
association, joint-stock company, trust, unincorporated organization or
limited liability company (each a "Person") organized under the laws of any
United States jurisdiction, provided that (i) the successor Person assumes the
Company's obligations on the LYONs and under the Indenture and (ii)
immediately after giving effect to the transaction no Event of Default, and no
event which, after notice or lapse of time would become an Event of Default,
shall have occurred and be continuing. Certain of the foregoing transactions,
if they occur on or prior to October 14, 2000, could constitute a Change in
Control of the Company permitting each Holder to require the Company to
purchase the LYONs of such Holder as described above.
 
OPTIONAL CONVERSION TO SEMIANNUAL COUPON NOTE UPON TAX EVENT
 
  From and after the date (the "Tax Event Date") of the occurrence of a Tax
Event, the Company shall have the option to elect to have interest in lieu of
future Original Issue discount accrue at 3.125% per annum on a principal
amount per LYON (the "Restated Principal Amount") equal to the Issue Price
plus Original Issue Discount accrued to the date immediately prior to the Tax
Event Date or the date on which the Company exercises the option described
herein, whichever is later (such date hereinafter referred to as the "Option
Exercise Date"). Such interest shall accrue from the Option Exercise Date and
shall be payable semiannually on April 14 and October 14 of each year (each an
"Interest Payment Date") to holders of record at the close of business on
March 30 or September 29 (each a "Regular Record Date") immediately preceding
such Interest Payment Date. Interest will be computed on the basis of a 360-
day year comprised of twelve 30-day months and will accrue from the most
recent date to which interest has been paid or, if no interest has been paid,
from the Option Exercise Date.
 
                                      18
<PAGE>
 
  A "Tax Event" means that the Company shall have received an opinion from
independent tax counsel experienced in such matters to the effect that, on or
after the date of this Prospectus, as a result of (a) any amendment to, or
change (including any announced prospective change) in, the laws (or any
regulations thereunder) of the United States or any political subdivision or
taxing authority thereof or therein or (b) any amendment to, or change in, an
interpretation or application of such laws or regulations by any legislative
body, court, governmental agency or regulatory authority, in each case which
amendment or change is enacted, promulgated, issued or announced or which
interpretation is issued or announced or which action is taken, on or after
the date of this Prospectus, there is more than an insubstantial risk that
interest (including original issue discount) payable on the LYONs either (i)
would not be deductible on a current accrual basis or (ii) would not be
deductible under any other method, in either case in whole or in part, by the
Company (by reason of deferral, disallowance, or otherwise) for United States
federal income tax purposes.
 
  President Clinton's 1998 budget proposed a series of tax law changes that
would have, if enacted and made applicable to the LYONs, prevented the Company
from deducting interest (including Original Issue Discount) payable on the
LYONs on a current accrual basis for United States federal income tax purposes
and could have caused some or all of the interest (including Original Issue
Discount) payable on the LYONs to fail to be deductible by the Company under
any other method for United States federal income tax purposes. This proposal
was not adopted by Congress and was not part of the Taxpayer Relief Act of
1997 which was recently enacted into law. Nevertheless, if a similar proposal
were ever introduced and made applicable to the LYONs in a manner that would
limit the ability of the Company to either (i) deduct the interest (including
Original Issue Discount) payable on the LYONs on a current accrual basis or
(ii) deduct the interest (including Original Issue Discount) payable on the
LYONs under any other method for United States federal income tax purposes,
such enactment would result in a Tax Event and the terms of the LYONs would be
subject to modification at the option of the Company as described above. The
modification of the terms of LYONs by the Company upon a Tax Event as
described above could possibly alter the timing of income recognition by
holders of the LYONs with respect to the semiannual payments of interest due
on the LYONs after the Option Exercise Date. See "Certain United States
Federal Income Tax Considerations."
 
EVENTS OF DEFAULT; NOTICE AND WAIVER
 
  The Indenture provides that, if an Event of Default specified therein shall
have occurred and be continuing, either the Trustee or the Holders of not less
than 25% in aggregate principal amount at maturity of the LYONs then
outstanding may declare the Issue Price plus Original Issue Discount accrued
(or if the LYONs have been converted to semiannual coupon notes following a
Tax Event, the Restated Principal Amount, plus accrued and unpaid interest) to
the date of default (in the case of an Event of Default specified in (i) or
(ii) of the following paragraph) or to the date of such declaration (in the
case of an Event of Default specified in (iii) or (iv) of the following
paragraph) on all the LYONs to be immediately due and payable. In the case of
certain events of bankruptcy or insolvency, the Issue Price of the LYONs plus
the Original Issue Discount accrued thereon (or if the LYONs have been
converted to semiannual coupon notes following a Tax Event, the Restated
Principal Amount, plus accrued and unpaid interest) to the occurrence of such
event shall automatically become and be immediately due and payable. Under
certain circumstances, the Holders of a majority in aggregate principal amount
at maturity of the outstanding LYONs may rescind any such acceleration with
respect to the LYONs and its consequences. Interest shall accrue and be
payable on demand upon a default in the payment of principal amount at
maturity, Issue Price, accrued Original Issue Discount, Redemption Price,
Purchase Price, Change in Control Purchase Price or shares of Common Stock
(and cash in lieu of fractional shares) or cash in lieu of such Common Stock
to be delivered on conversion of LYONs, in each case to the extent that the
payment of such interest shall be legally enforceable.
 
  Under the Indenture, Events of Default include: (i) default in payment of
the principal amount at maturity, Issue Price, accrued Original Issue
Discount, interest upon conversion to a semiannual coupon note following a Tax
Event (if such default in payment of interest shall continue for 31 days),
Redemption Price, Purchase Price or Change in Control Purchase Price with
respect to any LYON, when the same becomes due and payable
 
                                      19
<PAGE>
 
(whether or not such payment is prohibited by the provisions of the
Indenture); (ii) failure by the Company to deliver shares of Common Stock
(including cash in lieu of fractional shares) or cash in lieu thereof when
such Common Stock (and cash in lieu of fractional shares) or cash is required
to be delivered following conversion of a LYON and continuance of such default
for 10 days; (iii) failure by the Company to comply with any of its other
agreements in the LYONs or the Indenture upon the receipt by the Company of
notice of such default from the Trustee or from Holders of not less than 25%
in aggregate principal amount at maturity of the LYONs then outstanding and
the Company's failure to cure such default within 90 days after receipt by the
Company of such notice; or (iv) certain events of bankruptcy or insolvency.
 
  The Trustee shall, within 90 days after the occurrence of any default, mail
to all Holders of the LYONs notice of all defaults of which the Trustee shall
be aware, unless such defaults shall have been cured or waived before the
giving of such notice; provided, that the Trustee may withhold such notice as
to any default other than a payment default, if it determines in good faith
that withholding the notice is in the interests of the Holders.
 
  The Holders of a majority in aggregate principal amount at maturity of the
outstanding LYONs may direct the time, method and place of conducting any
proceeding for any remedy available to the Trustee or exercising any trust or
power conferred on the Trustee, provided that such direction shall not be in
conflict with any law or the Indenture and subject to certain other
limitations. The Trustee may refuse to perform any duty or exercise any right
or power or extend or risk its own funds or otherwise incur any financial
liability unless it receives indemnity satisfactory to it against any loss,
liability or expense. No Holder of any LYON will have any right to pursue any
remedy with respect to the Indenture or the LYONs, unless (i) such Holder
shall have previously given the Trustee written notice of a continuing Event
of Default; (ii) the Holders of at least 25% in aggregate principal amount at
maturity of the outstanding LYONs shall have made a written request to the
Trustee to pursue such remedy; (iii) such Holder or Holders shall have offered
to the Trustee reasonable security or indemnity against any loss, liability or
expense satisfactory to it; (iv) the Trustee shall have failed to comply with
the request within 60 days after receipt of such notice, request and offer of
security or indemnity; and (v) the Holders of a majority in aggregate
principal amount at maturity of the outstanding LYONs shall not have given the
Trustee a direction inconsistent with such request within 60 days after
receipt of such request.
 
  The right of any Holder: (a) to receive payment of the principal amount at
maturity, Issue Price, accrued Original Issue Discount, Redemption Price,
Purchase Price, Change in Control Purchase Price or interest, if any, in
respect of the LYONs held by such Holder on or after the respective due dates
expressed in the LYONs or as of any Redemption Date or (b) to bring suit for
the enforcement of any such payment on or after such respective dates or the
right to convert, shall not be impaired or adversely affected without such
Holder's consent.
 
  The Holders of a majority in aggregate principal amount at maturity of LYONs
at the time outstanding may waive any existing default and its consequences
except (i) any default in any payment on the LYONs, (ii) any default with
respect to the conversion rights of the LYONs, or (iii) any default in respect
of certain covenants or provisions in the Indenture which may not be modified
without the consent of the Holder of each LYON as described in "--
Modification" below. When a default is waived, it is deemed cured and shall
cease to exist, but no such waiver shall extend to any subsequent or other
default or impair any consequent right.
 
  The Company is required to furnish to the Trustee annually a statement as to
any default by the Company in the performance and observance of its
obligations under the Indenture. In addition, the Company shall file with the
Trustee written notice of the occurrence or any default or Event of Default
within five Business Days of its becoming aware of such default or Event of
Default.
 
MODIFICATION
 
  Modification and amendment of the Indenture or the LYONs may be effected by
the Company and the Trustee with the consent of the Holders of not less than a
majority in aggregate principal amount at maturity of the LYONs then
outstanding. However, without the consent of each Holder affected thereby, no
amendment may, among other things, (i) reduce the principal amount at
maturity, Issue Price, Purchase Price, Change in Control
 
                                      20
<PAGE>
 
Purchase Price, Redemption Price or amount of cash paid in lieu of shares of
Common Stock on conversion with respect to any LYON, or extend the stated
maturity of any LYON or alter the manner or rate of accrual of Original Issue
Discount or interest, or make any LYON payable in money or securities other
than that stated in the LYON; (ii) make any change to the principal amount at
maturity of LYONs whose Holders must consent to an amendment or any waiver
under the Indenture or modify the Indenture provisions relating to such
amendments or waivers; (iii) make any change that adversely affects the right
to convert any LYON or the right to require the Company to purchase a LYON;
(iv) modify the provisions of the Indenture relating to the subordination of
the LYONs in a manner adverse to the Holders of the LYONs; or (v) impair the
right to institute suit for the enforcement of any payment with respect to, or
conversion of, the LYONs. No change that adversely affects the rights of any
holder of Senior Indebtedness of the Company under the subordination
provisions of the Indenture may be made unless requisite consents to such
change are obtained from holders of Senior Indebtedness pursuant to the terms
of the related Senior Indebtedness instrument.
 
  Without the consent of any Holder of LYONs, the Company and the Trustee may
amend the Indenture to (i) cure any ambiguity, defect or inconsistency,
provided, however, that such amendment does not materially adversely affect
the rights of any Holder, (ii) provide for the assumption by a successor to
the Company of the obligations of the Company under the Indenture, (iii)
provide for uncertificated LYONs in addition to certificated LYONs, as long as
such uncertificated LYONs are in registered form for United States federal
income tax purposes, (iv) make any change that does not materially adversely
affect the rights of any Holder of LYONs, (v) make any change necessary to
comply with the Trust Indenture Act of 1939, as amended, or (vi) add to the
covenants or obligations of the Company under the Indenture or surrender any
right, power or option conferred by the Indenture on the Company.
 
DISCHARGE OF THE INDENTURE
 
  The Company may satisfy and discharge its obligations under the Indenture by
delivering to the Trustee for cancellation all outstanding LYONs or by
depositing with the Trustee, the Paying Agent or the Conversion Agent, if
applicable, after the LYONs have become due and payable, whether at stated
maturity, or any Redemption Date, or any Purchase Date, a Change of Control
Purchase Date, or upon conversion or otherwise, cash or Common Stock (as
applicable under the terms of the Indenture) sufficient to pay all of the
outstanding LYONs and paying all other sums payable under the Indenture by the
Company.
 
LIMITATIONS OF CLAIMS IN BANKRUPTCY
 
  If a bankruptcy proceeding is commenced in respect of the Company, under
Title 11 of the United States Code, the claim of the Holder of a LYON may be
limited to the Issue Price of the LYON plus that portion of the Original Issue
Discount that is deemed to have accrued from the date of issue to the
commencement of the proceeding.
 
INFORMATION CONCERNING THE TRUSTEE
 
  Chase Manhattan Bank and Trust Company, National Association is the Trustee,
Registrar, Paying Agent and Conversion Agent under the Indenture. The Company
has banking and certain other relationships with one or more affiliates of the
Trustee.
 
                                      21
<PAGE>
 
            CERTAIN UNITED STATES FEDERAL INCOME TAX CONSIDERATIONS
 
  The following is a summary of certain United States federal income tax
consequences of the purchase, ownership, disposition, and conversion of LYONs.
Unless otherwise stated, this summary deals only with LYONs held as capital
assets (generally, assets held for investment under the Internal Revenue Code
of 1986, as amended (the "Code")), by Holders who purchase LYONs upon original
issuance. The tax treatment of a holder of LYONs may vary depending on his
particular situation. This summary does not address all of the tax
consequences that may be relevant to Holders who may be subject to special tax
treatment such as, for example, insurance companies, broker-dealers, tax-
exempt organizations, or, except to the extent described below, foreign
taxpayers. In addition, this summary does not address any aspects of state,
local, or foreign tax laws. This summary is based on the United States federal
income tax law in effect as of the date hereof, which is subject to change,
possibly on a retroactive basis. Each investor is urged to consult his tax
advisor as to the particular tax consequences of purchasing, owning, and
disposing of LYONs, including the application and effect of United States
federal, state, local, and foreign tax laws.
 
  The Company has been advised by its counsel that in such counsel's opinion,
the LYONs will be treated as indebtedness for United States federal income tax
purposes. Counsel has further advised the Company that it is counsel's opinion
that, while the following does not purport to discuss all tax matters relating
to the LYONs, based upon the LYONs being treated as indebtedness, the
following are the material federal income tax consequences of the ownership
and conversion or disposition of the LYONs, subject to the qualifications set
forth above.
 
ORIGINAL ISSUE DISCOUNT
 
  The LYONs were issued at a substantial discount from their stated principal
amount at maturity. For United States federal income tax purposes, the
difference between the issue price (the initial offering price to the public
at which the LYONs were sold) and the stated principal amount at maturity of
each LYON constitutes original issue discount ("Original Issue Discount").
Holders of LYONs will be required to include Original Issue Discount in income
periodically over the term of the LYONs before receipt of the cash or other
payment attributable to such income.
 
  For United States federal income tax purposes, each Holder of a LYON must
generally include in gross income a portion of the Original Issue Discount in
each taxable year during which the LYON is held in an amount equal to the
Original Issue Discount that accrues on the LYON during such period,
determined by using a constant yield to maturity method. The Original Issue
Discount included in income for each year will be calculated under a
compounding formula that will result in the allocation of less Original Issue
Discount to the earlier years of the term of the LYON and more Original Issue
Discount to later years. For the approximate cumulative total amount of the
Original Issue Discount accrued annually, see the chart under "Description of
LYONs(Redemption of LYONs at the Option of the Company." Any amount included
in income as Original Issue Discount will increase a Holder's basis in the
LYON.
 
DISPOSITION OR CONVERSION OF LYONS
 
  Except as described below, gain or loss upon a sale or other disposition of
a LYON will generally be capital gain or loss, which will be subject to tax as
described below in the discussion of the Taxpayer Relief Act of 1997. If a
Holder elects to exercise his option to tender a LYON to the Company on a
Purchase Date or a Change in Control Purchase Date for cash, such tender will
be treated as a sale of the LYON.
 
  A Holder that receives Common Stock in exchange for a LYON (whether upon
conversion of a LYON or at the Company's option upon tender of a LYON) will
generally not recognize gain or loss (except with respect to cash received in
lieu of a fractional share). A Holder's tax basis in the Common Stock received
on conversion or tender of a LYON will be the same as the Holder's adjusted
tax basis in the LYON at the time of conversion or tender (exclusive of any
basis allocable to a fractional share), and the holding period for the Common
Stock received on conversion or tender will include the holding period of the
LYON converted. It is possible, however, the Internal Revenue Service may
argue that the holding period of the Common Stock allocable to accrued
Original Issue Discount will commence on the date of the conversion.
 
                                      22
<PAGE>
 
  If a Holder elects to exercise his option to tender a LYON to the Company on
the Purchase Date and the Company issues Common Stock in satisfaction of the
Purchase Price, such exchange will be treated the same as a conversion. If a
Holder elects to exercise his option to tender a LYON to the Company on the
Purchase Date and the Company delivers a combination of cash and Common Stock
in satisfaction of the Purchase Price, a Holder that is an original purchaser
of the LYON generally should not have gain or loss. A Holder's basis in the
Common Stock received would be the same as the Holder's basis in the LYON,
reduced by the cash received and increased by any gain recognized (exclusive
of any basis allocable to a fractional share).
 
  Under the recently enacted Taxpayer Relief Act of 1997, net capital gain
(i.e., generally, capital gain in excess of capital loss) recognized by the
Holder upon the disposition of such Common Stock or LYONs that has been held
for more than 18 months will generally be subject to tax at a rate not to
exceed 20%. Net capital gain recognized by the Holder upon the disposition of
such Common Stock or LYONs that has been held for more than 12 months but not
for more than 18 months will continue to be subject to tax at a rate not to
exceed 28% and capital gain recognized from the disposition of Common Stock or
LYONs that has been held for 12 months or less will continue to be subject to
tax at ordinary income tax rates. In, addition, capital gain recognized by a
corporate taxpayer will continue to be subject to tax at the ordinary income
tax rates applicable to corporations.
 
ADJUSTMENT OF CONVERSION PRICE
 
  If at any time the Company makes a distribution of property to shareholders
that would be taxable to such shareholders as a dividend for United States
federal income tax purposes and, in accordance with the anti-dilution
provisions of the LYONs, the Conversion Rate of the LYONs is increased, the
amount of such increase may be deemed to be the payment of a taxable dividend
to holders of the LYONs. For example, an increase in the Conversion Rate in
the event of distributions of evidences of indebtedness or assets of the
Company will generally result in deemed dividend treatment to holders of the
LYONs, but generally a decrease in the event of stock dividends or stock split
will not. In addition, if the Conversion Rate is increased at the discretion
of the Company, such increase may result in taxable income for the Holders of
the LYONs.
 
TAX EVENT
 
  The modification of the terms of the LYONs by the Company upon a Tax Event
as described in "Description of LYONs--Optional Conversion to Semiannual
Coupon Note upon Tax Event." could possibly alter the timing of income
recognition by the Holders of the LYONs with respect to the semiannual
payments of interest due on the LYONs after the Option Exercise Date.
 
TAX CONSEQUENCES TO NON-US HOLDERS
 
  General. The following is a summary of certain special tax consequences to
Non-US Holders. As used herein, "Non-U.S. Holder" means a beneficial owner of
the LYONs or Common Stock that is not a citizen or resident of the United
States, a corporation, partnership or other entity created or organized in or
under the laws of the United States or any political subdivision thereof or an
estate that is subject to United States federal income taxation without regard
to the source of its income or a trust whose administration is subject to the
primary supervision of a United States court and which has one or more
fiduciaries who have authority to control substantial decisions of the trust.
 
    (a) Payments of Interest. No withholding of United States federal income
tax will be required with respect to accruals of Original Issue Discount and
payments by the Company of interest (including amounts in respect of Original
Issue Discount) on a LYON to a Non-U.S. Holder of such LYON, provided that, in
the case of Original Issue Discount (i) the Holder does not actually or
constructively own 10% or more of the total combined voting power of all
classes of stock of the Company entitled to vote, is not a controlled foreign
corporation that is related to the Company through stock ownership, a foreign
tax-exempt organization or foreign private foundation for United States
federal income tax purposes, and (ii) the requirements of section 871(h) or
881(c) of the Code, as set forth in paragraph (f), are satisfied.
Notwithstanding the above, a Non-U.S. Holder
 
                                      23
<PAGE>
 
that is engaged in the conduct of a United States trade or business will be
subject to (i) United States federal income tax on Original Issue Discount and
interest that is effectively connected with such trade or business and (ii) if
the Non-U.S. Holder is a corporation, a United States branch profits tax equal
to 30% of its "effectively connected earnings and profits" (as adjusted) for
the taxable year, unless it qualifies for an exemption from such tax or a
lower tax rate under an applicable treaty.
 
    (b) Gain on Sale of LYONs or Common Stock. An individual Non-U.S. Holder
who does not have a United States trade or business will generally not be
subject to tax on any capital gains recognized upon the sale, exchange,
redemption or other disposition of a LYON or upon a sale, exchange, redemption
or other disposition of Common Stock unless (i) such gain is effectively
connected with the conduct of a United States trade or business by the Non-
U.S. Holder or (ii) in the case of a Non-U.S. Holder who is a nonresident
alien individual, such holder is present in the United States for 183 or more
days in the taxable year and certain other requirements are met. In such a
case, the Non-US Holder will be subject to tax at a rate of 30% on any such
capital gains to the extent that such capital gains exceed his United States
source capital losses.
 
    (c) Conversion of LYONs. No United States federal income tax will be
imposed upon the conversion of a LYON into shares of Common Stock for a Non-
U.S. Holder who does not have a connection with or status with respect to the
United States as described in paragraph (a) above except that such Holder may
be subject to United States federal withholding tax on constructive dividends,
if any, upon conversion.
 
    (d) Dividends. Dividends on shares of Common Stock held by a Non-U.S.
Holders will be subject to United States withholding tax at a rate of 30% (or
graduated rates if such dividends are effectively connected with the conduct
of a trade or business within the United States) or such lower rate as may be
provided by an applicable tax treaty and the Company must report to the
Internal Revenue Service the amount of the dividends paid to the registered
holder of the Common Stock but the payment will not be subject to any
additional backup withholding or information reporting.
 
    (e) Federal Estate Tax. A LYON held by an individual who at the time of
death is not a citizen or resident of the United States will not be subject to
United States federal estate tax as a result of such individual's death,
provided that the individual does not actually or constructively own 10% or
more of the total combined voting power of all classes of stock of the Company
entitled to vote and that the Original Issue Discount accrued on such LYON was
not effectively connected with a United States trade or business. Shares of
Common Stock held by an individual at the time of his death (or theretofore
transferred subject to certain rights and powers) will be subject to United
States federal estate tax unless otherwise provided by applicable treaty.
 
    (f) Owner Statement Requirement.  Sections 871(h) and 881(c) of the Code
require that either the beneficial owner of a LYON or a securities clearing
organization, bank or other financial institution that holds customers'
securities in the ordinary course of its trade or business (a "Financial
Institution") and that holds a LYON on behalf of such owner file a statement
with the Company or its agent to the effect that the beneficial owner is not a
U.S. person in order to avoid withholding of United States federal income tax.
Under current regulations, this requirement will be satisfied if the Company
or its agent receives (i) a statement (an "Owner's Statement") from the
beneficial owner of a LYON in which such owner certifies, under penalties of
perjury, that such owner is not a U.S. person and provides such owner's name
and address, or (ii) a statement from the Financial Institution holding the
LYON on behalf of the beneficial owner in which the Financial Institution
certifies, under penalties of perjury, that it has received the Owner's
Statement together with a copy of the Owner's Statement. The beneficial owner
must inform the Company or its agent (or, in the case of a statement described
in clause (ii) of the immediately preceding sentence, the Financial
Institution) within 30 days of any change in information on the Owner's
Statement.
 
BACKUP WITHHOLDING AND INFORMATION REPORTING
 
  Under current United States federal income tax law, a 31% "backup"
withholding tax is applied to certain payments (including amounts in respect
of Original Issue Discount) made to, and to the proceeds of sales before
 
                                      24
<PAGE>
 
maturity by, certain U.S. persons if such persons (i) fail to furnish their
taxpayer identification numbers which, for an individual, would be his Social
Security Number or (ii) in certain circumstances, fail to certify, under
penalties of perjury, that they have both furnished a correct taxpayer
identification number and not been notified by the Internal Revenue Service
that they are subject to backup withholding for failure to report interest and
dividend payments. Under current regulations, this backup withholding will not
apply to payments made outside the United States by the Company or a paying
agent on a LYON if the Owner's Statement is received; provided in each case
that the Company or the paying agent, as the case may be, does not have actual
knowledge that the payee is a U.S. person.
 
  Under current regulations, payments of the proceeds of the sale of a LYON or
Common Stock to or through a foreign office of a "broker" will not be subject
to backup withholding but will be subject to information reporting if the
broker is a U.S. person, a controlled foreign corporation for United States
federal income tax purposes, or a foreign person 50% or more of whose gross
income is from a United States trade or business for a specified three-year
period ("U.S. Connected Broker"), unless the broker has in its records
documentary evidence that the holder of a LYON or Common Stock is not a U.S.
person and certain conditions are met or the holder of a LYON or Common Stock
otherwise establishes an exemption. Payment of the proceeds of a sale to or
through the United States office of a broker is subject to backup withholding
and information reporting unless the holder certifies its non-United States
status under penalties of perjury or otherwise establishes an exemption.
 
  On October 7, 1997, the Treasury Department released new Treasury
Regulations governing the backup withholding and information reporting
requirements described above. The new regulations would not generally alter
the treatment of Non-U.S. Holders who furnish an Owner's Statement to the
payor. The new regulations would alter the procedures for claiming treaty
benefits, such as in the case of dividends, and may change certain procedures
applicable to U.S. Connected Brokers. The new regulations are generally
effective for payments made after December 31, 1998.
 
                                      25
<PAGE>
 
                           SELLING SECURITY HOLDERS
 
  The LYONs were originally issued by the Company and resold by Merrill Lynch
as initial purchaser, in transactions exempt from the registration
requirements of the Securities Act, to persons reasonably believed by Merrill
Lynch to be "qualified institutional buyers," as defined in Rule 144A
promulgated under the Securities Act or in transactions complying with the
provisions of Regulation S under the Securities Act. The Selling Holders
(which term includes their transferees, pledgees, donees or their successors)
may from time to time offer and sell pursuant to this Prospectus any or all of
the LYONs and Common Stock issued upon conversion of the LYONs.
 
  The following table sets forth information with respect to the Selling
Holders and the respective principal amounts of LYONs beneficially owned by
each Selling Holder. Such information has been obtained from the Selling
Holders. Except as otherwise disclosed herein, none of the Selling Holders
has, or within the past three years has had, any position, office or other
material relationship with the Company or any of its predecessors or
affiliates. Because the Selling Holders may offer all or some portion of the
LYONs or the Common Stock issuable upon conversion thereof pursuant to this
Prospectus, no estimate can be given as to the amount of the LYONs or the
Common Stock issuable upon conversion thereof that will be held by the Selling
Holders upon termination at any such sales. In addition, the Selling Holders
identified below may have sold, transferred or otherwise disposed of all or a
portion of their LYONs, since the date on which they provided the information
regarding their LYONs, in transactions exempt from the registration
requirements of the Securities Act.
 
<TABLE>
<CAPTION>
                                                          PRINCIPAL AMOUNT OF
                                                          LYONS BENEFICIALLY
                                                            OWNED AND THAT
                                                         MAY BE OFFERED HEREBY
SELLING HOLDER                                              (IN THOUSANDS)
- --------------                                           ---------------------
<S>                                                      <C>
Aeltus Investment Management                                   $  9,000
Allegheny Ludlum Master Trust                                    25,000
Allmerica Select Growth & Income Fund                            10,700
Allstate Insurance Company                                        8,000
Allstate Life Insurance Company                                  14,000
Argent Classic Convertible Arbitrage Fund                        22,500
Argent Classic Convertible Arbitrage Fund (Bermuda)              27,500
Associated Electric & Gas Insurance Services                      1,500
BT Alex Brown                                                    30,908
Baker Fentress & Co.                                             11,935
Bancroft Convertible Fund                                         3,500
Bank Lips Ltd - Zuerick                                             500
Banque Indust Et Mobil Privee                                     1,100
Banque Nationale De Paris Georgetown Branch                      20,000
Banque Paribas                                                   47,400
Bayer USA Inc. Retirement Fund                                   10,165
Bavaria TRR Corporation, Delaware                                41,000
Bear Stearns Securities Corporation (Convertible Dept.)         101,118
Bear Stearns Securities Corporation (Convertible Dept.)           5,000
CBR Cement Corp Pension Plan - Master Trust                          65
CPR (USA) Inc.                                                      500
Capital Markets Transactions Inc.                                 8,000
Champion International Corporation Master Trust                   1,550
City of Birmingham Retirement & Relief System                     3,000
Concert Growth Income                                             9,000
Connecticut General Life Insurance Co.                           11,500
Continental Assurance Company Separate Account E                  8,200
Continental Casualty Company                                     10,000
</TABLE>
 
                                      26
<PAGE>
 
<TABLE>
<CAPTION>
                                                           PRINCIPAL AMOUNT OF
                                                           LYONS BENEFICIALLY
                                                             OWNED AND THAT
                                                          MAY BE OFFERED HEREBY
SELLING HOLDER                                               (IN THOUSANDS)
- --------------                                            ---------------------
<S>                                                       <C>
Continental Casualty Company on Behalf of its Subaccount
 Convertible Bond Strategy                                        10,000
Continental Casualty Company on Behalf of its Subaccount
 Designated Gov't Account                                         13,800
Cova Bond Debenture Fund                                             500
Credit Agricole/Indosuez Luxembourg                               13,000
Credit Suisse First Boston                                         5,000
Davis Convertible Fund                                             7,512
Delta Airlines Master Trust                                        3,600
Deutsche Bank AG                                                  21,000
Deutsche Morgan Grenfell Inc.                                     13,200
Diocese of Buffalo - Priest Ret. Fund                                 45
Diocese of Buffalo - Pension Fund                                     70
Donaldson Lufkin & Jenrette Securities Corporation                 3,000
Dorinco Reinsurance Company                                        2,500
Eastern Utilities Assoc. Retirement Plan                             140
Elf Acquitaine Pension                                               200
Ellsworth Convertible Growth and Income Fund                       1,500
FTI Capital Mgmt                                                  50,000
Fuji US Income Open                                                2,800
Gencorp Foundation Inc.                                              300
General Electric Mortgage Insurance Corporation                    9,000
General Electric Mortgage Insurance Corporation                    5,000
General Motors Employee Domestic Group Pension Trust               4,000
Genesee County Employees' Retirement System                          800
HSBC Securities Inc.                                               2,900
Harris Investment Management                                       1,400
Healthcare Underwriters Mutual Insurance Co.                       2,000
HighBridge Capital Corporation                                    51,500
IDS Bond Fund                                                     12,500
IDS Life Special Income Fund                                      10,000
Illinois Annuity & Insurance Co.                                  20,000
International Convertible Growth Fund                              5,500
Ixion Investment Co.                                              50,000
JP Morgan Securities Incorporated                                 17,600
Kennilworth Partners LP                                           28,250
Key Trust Company of Ohio                                          5,500
Lehman Brothers Inc.                                              49,500
LibertyView Fund LLC                                                 100
LibertyView Plus Fund                                                400
Lord Abbett Bond Debenture Fund                                   19,000
Mass Mutual Life Ins Co                                           24,450
Mass Mutual Life Ins Co                                           24,390
Mass Mutual Corp Value Fund                                        3,260
Medical Liability Mutual Insurance Co.                            60,000
Merrill Lynch International                                      148,500
Merrill Lynch Pierce Fenner & Smith Inc.                          41,695
Merrill Lynch Life Insurance Company                               6,000
Michigan Mutual Insurance Company                                  2,000
Mt-Hawley Insurance Co.                                              250
NH BD, LP                                                          2,000
NationsBanc Montgomery Securities, Inc.                            6,000
New York Life Insurance Co. (NYLIC)                               60,000
</TABLE>
 
                                      27
<PAGE>
 
<TABLE>
<CAPTION>
                                                          PRINCIPAL AMOUNT OF
                                                          LYONS BENEFICIALLY
                                                            OWNED AND THAT
                                                         MAY BE OFFERED HEREBY
SELLING HOLDER                                              (IN THOUSANDS)
- --------------                                           ---------------------
<S>                                                      <C>
New York Life Insurance Co. (NYLIC)                              45,000
New York Life Insurance Co. & Annuity Co. (NYLIAC)                5,000
Nomura International PLC                                         25,000
Pacific Life                                                     30,000
Pell Asset Management                                               100
Pell Rudman Trust Co.                                             1,500
Physician's Reciprocal Insurers Account #7                        2,200
Port Authority of Allegheny County Retirement and
 Disability Allowance for the Employees Represented by
 Local 85                                                         1,875
Potlach Corporation                                               1,200
Public Service Electric & Gas Company Master Retirement
 Trust                                                           13,552
Q Investments LP                                                  9,775
QCI                                                                 200
Quality Income Portfolio                                         10,000
R/2/ Investments LDC                                              5,225
RJR Nabisco, Inc. Defined Benefit Master Trust                    1,550
SARABOND                                                          1,000
SBC Warburg Dillon Read Inc.                                     24,900
SEI Balanced Fund                                                 1,000
Silverson International Fund Limited                              2,500
Smith Barney Inc.                                                 2,500
Smith Barney Inc.                                                   200
Special Short Term Fund II                                      100,000
Southern Farm Bureau Life Insurance Company                       1,000
STI Classic Balanced Fund                                         3,000
STI Classic Cap Growth Fund                                       1,500
STI Capital Management                                           50,000
Strong Asset Allocation Fund Inc.                                 8,000
Strong Corporate Bond Fund Inc.                                   8,500
Strong Short Term Bond Inc.                                      24,500
Swiss Bank Corporation - London Branch                           50,550
Teacher Retirement Systems of Texas                              40,000
Tennessee Consolidated Retirement System                         20,000
The Dow Chemical Company Employees' Retirement Plan               2,775
The Field Foundation of Illinois                                    150
The Fondren Foundation                                              250
The Minnesota Mutual Life Insurance Company                       3,090
The Vanguard Equity Income Fund                                   7,400
Toronto Dominion (New York), Inc.                                13,175
Tote/SEC-CCE                                                         25
TQA Arbitrage Fund, L.P.                                          2,000
Transamerica Occidental Life Insurance Co "Pension"              90,000
Triton Capital Investments Ltd                                      875
Tuffs Associated Health Plan                                      2,400
United Food and Commercial Workers Local 1262 and
 Employees Pension Fund                                             650
UBS Securities LLC                                               15,000
UBS Securities LLC                                                5,200
University of Massachusetts Medical Center Trust                  2,050
University of South Florida Foundation                              350
Van Kampen American Capital Growth & Income Fund                  8,375
Van Kampen American Capital Life Inv. Tr. Growth &
 Income Portfolio                                                   125
Van Kampen American Capital Equity Income Fund                   24,000
Van Kampen American Capital Harbor Fund                          11,250
Westinghouse Electric Corporation Master Trust                   10,165
</TABLE>
- --------
(1) Merrill Lynch was the initial purchaser of the LYONs. Merrill Lynch has
    provided from time to time, and may continue to provide in the future,
    investment banking and investment advisory services to the Company, for
    which it has received and may receive customary fees and commissions.
 
 
                                      28
<PAGE>
 
                             PLAN OF DISTRIBUTION
 
  The LYONs and Common Stock issued upon conversion thereof may be offered for
sale and sold by the several Selling Holders in one or more transactions,
including block transactions, at a fixed price or fixed prices (which may be
changed), at market prices prevailing at the time of sale, at prices related
to such prevailing market prices or at prices determined on a negotiated or
competitive bid basis. LYONs and Common Stock issued upon conversion thereof
may be sold by a Selling Holder directly, through agents designated from time
to time or to or through broker-dealers designated from time to time, or by
such other means as may be specified in the applicable Prospectus Supplement.
 
  LYONs and Common Stock issued upon conversion thereof may be sold through a
broker-dealer acting as agent or broker for the Selling Holders or to a
broker-dealer acting as principal. In the latter case, the broker-dealer may
then resell such LYONs or Common Stock to the public at varying prices to be
determined by such broker-dealer at the time of resale.
 
  The Selling Holders and any agents or broker-dealers that participate with
the Selling Holders in the distribution of any of the LYONs or Common Stock
issued upon conversion thereof may be deemed to be "underwriters" within the
meaning of the Securities Act, and any discount or commission received by them
and any profit on the resale of the LYONs or Common Stock issued upon
conversion thereof purchased by them may be deemed to be underwriting
discounts or commissions under the Securities Act.
 
  To the extent required, the number of LYONs or shares of Common Stock issued
upon conversion thereof to be sold, certain information relating to the
Selling Holders, the purchase price, the public offering price, if applicable,
the name of any underwriter, agent or broker-dealer, and any applicable
commissions, discounts or other items constituting compensation to such
underwriters, agents or broker-dealers with respect to a particular offering
will be set forth in an accompanying Prospectus Supplement.
 
                                 LEGAL MATTERS
 
  The validity of the LYONs and the shares of Common Stock issuable upon
conversion thereof was passed upon for the Company by Gibson, Dunn & Crutcher
LLP, San Francisco, California.
 
                                    EXPERTS
 
  The consolidated financial statements of the Company at October 31, 1995 and
1996, and for each of the years ended October 31, 1994, 1995 and 1996,
incorporated in this Prospectus by reference to the Annual Report on Form 10-K
of the Company for the year ended October 31, 1996, have been so incorporated
in reliance on the report of Price Waterhouse LLP, independent accountants,
given on the authority of such firm as experts in auditing and accounting.
 
                                      29
<PAGE>
 
================================================================================
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS IN CONNECTION
WITH THE OFFERING MADE BY THIS PROSPECTUS. IF GIVEN OR MADE, SUCH INFORMATION
OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE
COMPANY, ANY SELLING HOLDER OR ANY OF THEIR RESPECTIVE AFFILIATES. THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER
TO BUY, ANY OF THE SECURITIES OFFERED HEREBY BY ANY PERSON IN ANY JURISDICTION
IN WHICH IT IS UNLAWFUL FOR SUCH PERSON TO MAKE SUCH AN OFFERING OR
SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE FACTS SET FORTH IN THIS PROSPECTUS OR IN THE AFFAIRS OF
THE COMPANY SINCE THE DATE HEREOF.
 
                               -----------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Available Information......................................................   2
Incorporation of Certain Documents by Reference............................   2
Risk Factors...............................................................   3
The Company................................................................   6
Use of Proceeds............................................................   6
Selected Financial Information.............................................   7
Description of LYONs.......................................................   8
Certain United States Federal Income Tax Considerations....................  22
Selling Security Holders...................................................  26
Plan of Distribution.......................................................  29
Legal Matters..............................................................  29
Experts....................................................................  29
</TABLE>
 
(TM) Trademark of Merrill Lynch & Co., Inc.
 
================================================================================
================================================================================
 
                                $2,000,000,000
 
                            [HEWLETT-PACKARD LOGO]
 
 
                         LIQUID YIELD OPTION(TM) NOTES
                                   DUE 2017
                          (ZERO COUPON--SUBORDINATED)
 
                               -----------------
 
                                  PROSPECTUS
 
                               -----------------
 
 
                                      , 1998
 
================================================================================
<PAGE>
 
                                    PART II
 
                    INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION*
 
  The following are the estimated expenses of the issuance and distribution of
the securities being registered, all of which will be paid by the Registrant.
 
<TABLE>
<S>                                                                 <C>
Registration fee................................................... $310,856.25
Printing expenses..................................................      10,000
Legal fees and expenses............................................      10,000
Accounting fees and expenses.......................................      10,000
Trustee's fees and expenses (including counsel fees)...............       5,000
Miscellaneous......................................................       5,000
                                                                    -----------
  Total............................................................ $350,856.25
                                                                    ===========
</TABLE>
- --------
* All amounts are estimated except the Commission's registration fee.
 
ITEM 15. INDEMNIFICATION OF OFFICERS AND DIRECTORS
 
  Section 204 of the General Corporation Law of the State of California
("California Law") authorizes a corporation to adopt a provision in its
articles of incorporation eliminating the personal liability of directors to
corporations and their shareholders for monetary damages for breach or alleged
breach of directors' "duty of care." Following a California corporation's
adoption of such a provision, its directors are not accountable to
corporations and their shareholders for monetary damages for conduct
constituting negligence (or gross negligence) in the exercise of their
fiduciary duties; however, directors continue to be subject to equitable
remedies such as injunction or rescission. Under California Law, a director
also continues to be liable for (1) a breach of his or her duty of loyalty;
(2) acts or omissions not in good faith or involving intentional misconduct or
knowing violations of law; (3) illegal payments of dividends; and (4) approval
of any transaction from which a director derives an improper personal benefit.
The adoption of such a provision in the articles of incorporation also does
not limit directors' liability for violations of the federal securities laws.
 
  Section 317 of the California Law makes a provision for the indemnification
of officers, directors and other corporate agents in terms sufficiently broad
to indemnify such persons, under certain circumstances, for liabilities
(including reimbursement for expenses incurred) arising under the Securities
Act of 1933, as amended (the "Securities Act"). An amendment to Section 317
provides that the indemnification provided by this section is not exclusive to
the extent additional rights are authorized in a corporation's articles of
incorporation.
 
  The Registrant has adopted provisions in its Restated Articles of
Incorporation which eliminate the personal liability of its directors to the
Registrant and its shareholders for monetary damages for breach of the
directors' fiduciary duties in certain circumstances and authorize the
Registrant to indemnify its officers, directors and other agents to the
fullest extent permitted by law.
 
                                     II-1
<PAGE>
 
ITEM 16. EXHIBITS
 
<TABLE>
<CAPTION>
 EXHIBIT NO.                            DESCRIPTION
 -----------                            -----------
 <S>        <C>
  4.1        Form of Liquid Yield Option(TM) Note.
  4.2        Indenture between the Company and Chase Manhattan Bank and Trust
             Company, National Association, as Trustee.
  4.3        Amended & Restated Articles of Incorporation of Hewlett-Packard
             Company (incorporated by reference to Exhibit 3(a) of the
             Company's Annual Report on Form 10-K for the fiscal year ended
             October 31, 1996).
  4.4        Amended Bylaws of Hewlett-Packard Company (incorporated by
             reference to Exhibit 3(b) of the Company's Annual Report on Form
             10-K for the fiscal year ended October 31, 1996).
  5          Opinion of Gibson, Dunn & Crutcher LLP regarding the legality of
             securities being registered.
  8          Opinion of General Tax Counsel of Hewlett-Packard Company.
 10          Registration Rights Agreement between the Company and Merrill
             Lynch & Co.
 12          Computation of Ratio of Earnings to Fixed Charges.
 23.1        Consent of Independent Accountants.
 23.2        Consent of Gibson, Dunn & Crutcher LLP (included in Exhibit 5 to
             this Registration Statement).
 24          Powers of Attorney (included on pages II-4 and II-5 of this
             Registration Statement).
 25          Statement of Eligibility of Trustee of Form T-1.
</TABLE>
- --------
(TM) Trademark of Merrill Lynch & Co., Inc.
 
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. Notwithstanding the foregoing, any increase or
decrease in volume of securities offered (if the total dollar value of
securities offered would not exceed that which was registered) and any
deviation from the low or high and of the estimated maximum offering range may
be reflected in the form of prospectus filed with the Commission pursuant to
Rule 424(b) if, in the aggregate, the changes in volume and price represent no
more than 20 percent change in the maximum aggregate offering price set forth
in the "Calculation of Registration Fee" table in the effective registration
statement;
 
    (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;
 
provided, however, that paragraphs (i) and (ii) above do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Registrant pursuant
to Section 13 and Section 15(d) of the Exchange Act that are incorporated by
reference in the registration statement.
 
  (2) That, for purposes of determining any liability under the Securities
Act, each such post-effective amendment shall be deemed to be a new
registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial
bona fide offering thereof.
 
  (3) 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.
 
  (4) 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
 
                                     II-2
<PAGE>
 
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.
 
  (5) The undersigned registrant hereby undertakes to deliver or cause to be
delivered with the Prospectus, to each person to whom the Prospectus is sent
or given, the latest annual report, to security holders that is incorporated
by reference in the Prospectus and furnished pursuant to and meeting the
requirements of Rule 14a-3 or Rule 14c-3 under the Exchange Act; and, where
interim financial information required to be presented by Article 3 of
Regulation S-X is not set forth in the Prospectus, to deliver, or cause to be
delivered to each person to whom the prospectus is sent or given, the latest
quarterly report that is specifically incorporated by reference in the
Prospectus to provide such interim financial information.
 
  (6) That, 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 Securities and Exchange
commission such indemnification is against public policy as expressed in the
Securities Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by 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.
 
  (7) That, for the purpose of determining any liability under the Securities
Act, each post-effective amendment that contains a form of prospectus 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-3
<PAGE>
 
                                  SIGNATURES
 
  Pursuant to the requirements of the Securities Act of 1933, as amended, 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
Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Palo Alto, State of California, on
January 12, 1998.
 
                                          Hewlett-Packard Company
 
                                                    /s/ Lewis E. Platt
                                          By___________________________________
                                                      Lewis E. Platt
                                          Chairman of the Board, President and
                                           Chief Executive Officer (Principal
                                           Executive Officer)
 
                               POWER OF ATTORNEY
 
  Know All Persons By These Presents, that each person whose signature appears
below constitutes and appoints D. Craig Nordlund and Ann O. Baskins, or either
of them, his or her attorneys-in-fact, for such person in any and all
capacities, to sign any amendments to this Registration Statement and to file
the same, with exhibits thereto, and other documents in connection therewith,
with the Securities and Exchange Commission, by ratifying and confirming all
that either of said attorneys-in-fact, or substitute or substitutes, may do or
cause to be done by virtue hereof.
 
  Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in their
capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
             SIGNATURE                           TITLE                    DATE
             ---------                           -----                    ----
 
 
<S>                                  <C>                           <C>
         /s/ Lewis E. Platt          Chairman of the Board,         January 12, 1998
____________________________________ President and Chief
           Lewis E. Platt            Executive Officer (Principal
                                     Executive Officer)
 
 
        /s/ Robert P. Wayman         Executive Vice President,      January 12, 1998
____________________________________ Finance and Administration
          Robert P. Wayman           and Chief Financial Officer
                                     (Principal Financial
                                     Officer) and Director


     /s/ Raymond W. Cookingham       Vice President and             January 12, 1998
____________________________________ Controller (Principal
       Raymond W. Cookingham         Accounting Officer)
 
 
       /s/ Thomas E. Everhart        Director                      December 20, 1997
____________________________________
         Thomas E. Everhart
</TABLE> 
 
 
                                     II-4
<PAGE>
 
<TABLE>
<CAPTION>
             SIGNATURE                           TITLE                    DATE
             ---------                           -----                    ----
 
<S>                                  <C>                           <C>
          /s/ John B. Fery           Director                       January 12, 1998
____________________________________
            John B. Fery
 
 
        /s/ Jean-Paul Gimon          Director                       January 12, 1998
____________________________________
         Jean-Paul G. Gimon
 
 
            /s/ Sam Ginn             Director                       January 12, 1998
____________________________________
              Sam Ginn
 
 
      /s/ Richard A. Hackborn        Director                       January 12, 1998
____________________________________
        Richard A. Hackborn
 
 
       /s/ Walter B. Hewlett         Director                       January 12, 1998
____________________________________
         Walter B. Hewlett
 
 
     /s/ George A. Keyworth II       Director                       January 12, 1998
____________________________________
       George A. Keyworth II
 
 
       /s/ David M. Lawrence         Director                       January 12, 1998
____________________________________
      David M. Lawrence, M.D.
 
 
      /s/ Paul F. Miller, Jr.        Director                       January 12, 1998
____________________________________
        Paul F. Miller, Jr.
 
 
          /s/ Susan P. Orr           Director                       January 12, 1998
____________________________________
            Susan P. Orr
 
 
                                     Director
____________________________________
          David W. Packard
</TABLE>
 
                                      II-5
<PAGE>
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
   EXHIBIT NO.                            DESCRIPTION
   -----------                            -----------
   <S>        <C>
    4.1        Form of Liquid Yield Option(TM) Note.
    4.2        Indenture between the Company and Chase Manhattan Bank and Trust
               Company, National Association, as Trustee.
    4.3        Amended & Restated Articles of Incorporation of Hewlett-Packard
               Company (incorporated by reference to Exhibit 3(a) of the
               Company's Annual Report on Form 10-K for the fiscal year ended
               October 31, 1996).
    4.4        Amended Bylaws of Hewlett-Packard Company (incorporated by
               reference to Exhibit 3(b) of the Company's Annual Report on Form
               10-K for the fiscal year ended October 31, 1996).
    5          Opinion of Gibson, Dunn & Crutcher LLP regarding the legality of
               securities being registered.
    8          Opinion of General Tax Counsel of Hewlett-Packard Company.
   10          Registration Rights Agreement between the Company and Merrill
               Lynch & Co.
   12          Computation of Ratio of Earnings to Fixed Charges.
   23.1        Consent of Independent Accountants.
   23.2        Consent of Gibson, Dunn & Crutcher LLP (included in Exhibit 5 to
               this Registration Statement).
   24          Powers of Attorney (included on pages II-4 and II-5 of this
               Registration Statement).
   25          Statement of Eligibility of Trustee of Form T-1.
</TABLE>
- --------
(TM) Trademark of Merrill Lynch & Co., Inc.

<PAGE>
 
                                                                     EXHIBIT 4.1



                            HEWLETT-PACKARD COMPANY
                        LIQUID YIELD OPTION NOTE DUE 2017
                            (ZERO COUPON-SUBORDINATED)

     FOR PURPOSES OF SECTIONS 1273 AND 1275 OF THE INTERNAL REVENUE CODE OF
1986, AS AMENDED, THE AMOUNT OF ORIGINAL ISSUE DISCOUNT WITH RESPECT TO EACH
$1,000 OF PRINCIPAL AMOUNT OF THIS SECURITY IS $462.15, THE ISSUE DATE IS
OCTOBER 14, 1997, AND THE YIELD TO STATED MATURITY IS 3.125% PER ANNUM (COMPUTED
ON A SEMIANNUAL BOND EQUIVALENT BASIS).

     UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF
TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE
NAME OF CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY OR SUCH OTHER REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT HEREON IS MADE
TO CEDE & CO.), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE
BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO.,
HAS AN INTEREST HEREIN.

     TRANSFERS OF THIS GLOBAL  SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE,
BUT NOT IN PART, TO NOMINEES OF CEDE & CO., OR TO A SUCCESSOR THEREOF, OR SUCH
SUCCESSOR'S NOMINEE, AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE
LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
ARTICLE II OF THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

     THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF, AGREES TO OFFER,
SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE "RESALE
REGISTRATION TERMINATION DATE") WHICH IS TWO YEARS AFTER THE LATER OF THE
ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY
AFFILIATE OF THE COMPANY WAS THE OWNER OF THIS LYON (OR ANY PREDECESSOR OR
SUCCESSOR OF SUCH SECURITY) ONLY (A) TO THE COMPANY OR ANY SUBSIDIARY THEREOF,
(B) FOR SO LONG AS THE LYONs ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A, TO A
PERSON IT REASONABLY BELIEVES IS A "QUALIFIED INSTITUTIONAL BUYER" AS DEFINED IN
RULE 144A UNDER THE SECURITIES ACT OF 1993, AS AMENDED (THE "SECURITIES ACT"),
THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED
INSTITUTIONAL BUYER TO WHICH NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN
RELIANCE ON RULE 144A, (C) TO AN INSTITUTIONAL "ACCREDITED INVESTOR" WITHIN THE
MEANING OF SUBPARAGRAPH (A)(1), (2), (3) OR (7) OF RULE 
<PAGE>
 
501 UNDER THE SECURITIES ACT THAT IS ACQUIRING THE SECURITY FOR ITS OWN ACCOUNT,
OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL "ACCREDITED INVESTOR," FOR
INVESTMENT PURPOSES AND NOT WITH A VIEW TO, OR FOR OFFER OR SALE IN CONNECTION
WITH, ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, (D) PURSUANT TO A
REGISTRATION STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES
ACT, (E) IN AN OFFSHORE TRANSACTION IN ACCORDANCE WITH RULE 904 OF REGULATION S
UNDER THE SECURITIES ACT, OR (F) PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM
THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE COMPANY'S
RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER, PURSUANT TO CLAUSE (C), (E) OR
(F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER
INFORMATION SATISFACTORY TO THE COMPANY, AND IN EACH OF THE FOREGOING CASES, A
CERTIFICATE OF TRANSFER IN THE FORM APPEARING ON THE OTHER SIDE OF THIS SECURITY
IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE TRUSTEE. THIS LEGEND WILL BE
REMOVED UPON THE REQUEST OF THE HOLDER AFTER THE RESALE RESTRICTION TERMINATION
DATE.

                                       2
<PAGE>
 
                            HEWLETT-PACKARD COMPANY
                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                           (ZERO COUPON-SUBORDINATED)


No. R1                                    CUSIP No.
Issue Date: October 14, 1997              ISIN No.
Issue Price:              $537.85
Original Issue Discount:  $462.15
(for each $1,000 Principal Amount)


     Hewlett-Packard Company, a California corporation, promises to pay to
Cede & Co., or registered assigns, the Principal Amount of TWO BILLION DOLLARS
($2,000,000,000), or such lesser amount as is outstanding under this Security
pursuant to the immediately succeeding paragraph, on October 14, 2017.

     This Security is one of the Securities issued by Hewlett-Packard Company
dated October 14, 1997 representing an aggregate of $2,000,000,000 face amount
of indebtedness at maturity.  The Securities other than this Security bear CUSIP
No. 428236AA1 or U42823AK7 (the "Other Securities").  The aggregate Principal
Amount at maturity of the Securities is $2,000,000,000 and the Principal Amount
of this Security shall be reduced by the aggregate Principal Amount from time to
time outstanding under the Other Securities.

     This Security shall not hear interest except as specified on the other side
of this Security.  Original Issue Discount will accrue as specified on the other
side of this Security.  This Security is convertible as specified on the other
side of this Security.  All capitalized terms used herein without definition
shall have the respective meanings assigned thereto in the Indenture referred to
on the other side of this Security.

     Additional provisions of this Security are set forth on the other side of
this Security.

                                       3
<PAGE>
 
     IN WITNESS WHEREOF, Hewlett-Packard Company has caused this instrument to
be duly executed under its corporate seal.


                                        HEWLETT-PACKARD COMPANY

                                        By:
                                           _____________________________
                                           Name:     Ann O. Baskins
                                           Title:    Assistant Secretary and 
                                                     Managing Counsel
  ATTEST:



_____________________________ 

Date:     February   , 1998
                  ---

TRUSTEE'S CERTIFICATE OF   
 AUTHENTICATION

CHASE MANHATTAN BANK AND TRUST COMPANY,
NATIONAL ASSOCIATION,
as Trustee, certifies that this Security
is one of the Securities referred to 
in the within-mentioned Indenture.



By:
   _________________________________
   Authorized Signatory

                                       4
<PAGE>
 
                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                           (ZERO COUPON-SUBORDINATED)
1.   INTEREST
     --------

     This Security shall not hear interest except as specified in this paragraph
or in paragraph 9 hereof.  If the Principal Amount hereof or any portion of such
Principal Amount is not paid when due (whether upon acceleration pursuant to
Section 6.02 of the Indenture, upon the date set for payment of the Redemption
Price pursuant to paragraph 5 hereof, upon the date set for payment of a
Purchase Price or Change in Control Purchase Price pursuant to paragraph 6
hereof, upon the date set for a Conversion Payment pursuant to paragraph 8
hereof or upon the Stated Maturity of this Security) or if shares of Common
Stock (and cash in lieu of fractional shares) or cash in lieu thereof in respect
of a conversion of this Security in accordance with the terms of Article X of
the Indenture is not delivered when due, then in each such case the overdue
amount shall hear interest at the rate of 3.125 % per annum, compounded
semiannually (to the extent that the payment of such interest shall be legally
enforceable), which interest shall accrue from the date such overdue amount was
due to the date payment of such amount, including interest thereon, has been
made or duly provided for.  All such interest shall he payable on demand.

     Original Issue Discount (the difference between the Issue Price and the
Principal Amount of the Security), in the period during which a Security remains
outstanding, shall accrue at 3.125% per annum, on a semiannual bond equivalent
basis using a 360-day year composed of twelve 30-day months, commencing on the
Issue Date of this Security, and cease to accrue on the earlier of (a) the date
on which the Principal Amount at Stated Maturity hereof or any portion of such
Principal Amount at Stated Maturity becomes due and payable and (b) any
Redemption Date, Conversion Date, Change in Control Purchase Date, Purchase Date
or other date on which such Original Issue Discount (or, if such Securities have
been converted to semiannual coupon notes following the occurrence of a Tax
Event, interest on such notes) shall cease to accrue in accordance with Section
2.08 of the Indenture.

2.   METHOD OF PAYMENT
     -----------------

     Subject to the terms and conditions of the Indenture, Hewlett-Packard
Company (the "Company") will make payments in respect of the Securities to the
persons who are registered Holders of Securities at the close of business on the
Business Day preceding the Redemption Date or Stated Maturity, as the case may
he, or at the close of business on a Purchase Date, Change in Control Purchase
Date or Conversion Date, as the case may be.  Holders must surrender Securities
to a Paying Agent to collect such payments in respect of the Securities.  The
Company will pay cash amounts in money of The United States of America that at
the time of payment is legal tender for payment of public and private debts.
However, the Company may make such cash payments in respect of a certificated
Security, if applicable, by check payable in such money.

                                       1
<PAGE>

                                                                     EXHIBIT 4.1
 
3.   PAYING AGENT, CONVERSION AGENT AND REGISTRAR
     --------------------------------------------

     Initially, Chase Manhattan Bank and Trust Company, National Association,
as trustee (the "Trustee"), will act as Paying Agent, Conversion Agent and
Registrar. The Company may appoint and change any Paying Agent, Conversion
Agent, Registrar or co-registrar, upon notice to the Trustee and the Holders.
The Company or any of its subsidiaries or any of their Affiliates may act as
Paying Agent, Conversion Agent, Registrar or co-registrar.

4.   INDENTURE
     ---------

     The Company issued the Securities under an Indenture, dated as of October
14, 1997 (the "Indenture"), between the Company and the Trustee.  The terms of
the Securities include those stated in the Indenture and those made part of the
Indenture by reference to the Trust Indenture Act of 1939, as amended by the
Trust Indenture Reform Act of 1990, and, as in effect on the date of the
Indenture (the "TIA"), except as provided in Section 9.03 of the Indenture.
Capitalized terms used herein or on the face hereof and not defined herein have
the meanings ascribed thereto in the Indenture.  The Securities are subject to
all such terms, and Holders are referred to the Indenture and the TIA for a
statement of those terms.

     The Securities are general, unsecured obligations of the Company limited to
the aggregate Principal Amount at Stated Maturity specified in Section 2.02 of
the Indenture (subject to Section 2.07 of the Indenture).  The Indenture does
not limit other indebtedness of the Company, secured or unsecured, including
Senior Indebtedness.

5.   REDEMPTION AT THE OPTION OF THE COMPANY
     ---------------------------------------

     No sinking fund is provided for the Securities.  The Securities are
redeemable as a whole, or from time to time in part, at any time at the option
of the Company at the Redemption Prices set forth below, provided, that the
                                                         --------          
Securities are not redeemable prior to October 14, 2000.

                                       2
<PAGE>
 
     The table below shows the Redemption Prices of a Security per $1,000
Principal Amount on the dates shown below and at Stated Maturity, which prices
reflect the accrued Original Issue Discount calculated to each such date.  The
Redemption Price of a Security redeemed between such dates would include an
additional amount reflecting the additional Original Issue Discount accrued
from, and including, the next preceding date in the table to, but excluding, the
actual Redemption Date.

<TABLE>
<CAPTION>

  REDEMPTION                                                  REDEMPTION
    DATE                                                         PRICE
- -------------                                               -------------
<S>                                                     <C>
October 14, 2000...........................................   $  590.29
October 14, 2001...........................................      608.88
October 14, 2002...........................................      628.05
October 14, 2003...........................................      647.83
October 14, 2004...........................................      668.24
October 14, 2005...........................................      689.28
October 14, 2006...........................................      710.99
October 14, 2007...........................................      733.38
October 14, 2008...........................................      756.48
October 14, 2009...........................................      780.31
October 14, 2010...........................................      804.88
October 14, 2011...........................................      830.23
October 14, 2012...........................................      856.38
October 14, 2013...........................................      883.35
October 14, 2014...........................................      911.17
October 14, 2015...........................................      939.87
October 14, 2016...........................................      969.47

At maturity................................................    1,000.00
</TABLE>

       If converted to a semiannual coupon note following the occurrence of a
Tax Event, this Security will he redeemable at the Restated Principal Amount
plus interest accrued and unpaid from, and including, the date of such
conversion to, but excluding, the Redemption Date; but in no event will this
Security be redeemable before October 14, 2000.

6.   PURCHASE BY THE COMPANY AT THE OPTION OF THE HOLDER
     ---------------------------------------------------

     Subject to the terms and conditions of the Indenture, the Company shall
become obligated to purchase, at the option of the Holder, the Securities held
by such Holder on October 14, 2000, the Purchase Date, at $590.29, the Purchase
Price per $1,000 Principal Amount at Stated Maturity of such Securities, upon
delivery of a Purchase Notice containing the information set forth in the
Indenture, at any time from the opening of business on the date that is 20
Business Days preceding the Purchase Date until the close of business on the
Purchase Date and upon delivery of the Securities to the Paying Agent by the
Holder as set forth in the Indenture.  Such Purchase Price may 

                                       3
<PAGE>
 
be paid, at the option of the Company, in cash or by the issuance and delivery
of shares of Common Stock of the Company, or in any combination thereof.

     If prior to a Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Purchase
Price will be equal to the Restated Principal Amount plus accrued and unpaid
interest from, and including, the date of conversion to, but excluding, the
Purchase Date.

     Subject to the terms and conditions of the Indenture, if any Change in
Control occurs on or prior to October 14, 2000, the Company shall, at the option
of the Holder, purchase all Securities for which a Change in Control Purchase
Notice shall have been delivered as provided in the Indenture and not withdrawn,
on the date that is 35 Business Days after the occurrence of such Change in
Control, for a Change in Control Purchase Price equal to the Issue Price, plus
accrued Original Issue Discount to, but excluding, the Change in Control
Purchase Date, which Change in Control Purchase Price shall be paid in cash.  If
prior to a Change in Control Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Change in
Control Purchase Price shall be equal to the Restated Principal Amount plus
accrued interest from, and including, the date of conversion to, but excluding,
the Change in Control Purchase Date.

     Holders have the right to withdraw any Purchase Notice or Change in Control
Purchase Notice, as the case may be, by delivering to the Paying Agent a written
notice of withdrawal in accordance with the provisions of the Indenture prior to
the close of business on the Purchase Date or Change in Control Purchase Date,
as the case may be.

     If cash sufficient to pay the Purchase Price or Change in Control Purchase
Price of all Securities or portions thereof to be purchased as of the Purchase
Date or the Change in Control Purchase Date, as the case may be, is deposited
with the Paying Agent on the Business Day following the Purchase Date or the
Change in Control Purchase Date, as the case may be, Original Issue Discount (or
interest upon conversion to semiannual coupon notes following the occurrence of
a Tax Event) ceases to accrue on such Securities (or portions thereof) on and
after such date, and the Holders thereof shall have no other rights as such
(other than the right to receive the Purchase Price or Change in Control
Purchase Price, as the case may be, upon surrender of such Security).

7.   NOTICE OF REDEMPTION
     --------------------

     Notice of redemption will be mailed at least 15 days but not more than 60
days before the Redemption Date to each Holder of Securities to he redeemed at
the Holder's registered address.  If money sufficient to pay the Redemption
Price of all Securities (or portions thereof) to he redeemed on the Redemption
Date is deposited with the Paying Agent prior to or on the Redemption Date, on
and after such date Original Issue Discount ceases to accrue on such Securities
or portions thereof.  Securities or portions of them selected for redemption
will he in $1,000 Principal Amounts at Stated Maturity or in integral multiples
thereof.

8.   CONVERSION
     ----------

     Subject to the next two succeeding sentences, a Holder of a Security may
convert it into Common Stock of the Company at any time before the close of
business on October 14, 2017; provided, however, that if a Security is called
                              --------- -------                              
for redemption, the Holder may convert it at any time before the close of
business on the Redemption Date.  The number of shares of Common Stock to 

                                       4
<PAGE>
 
be delivered upon conversion of a Security into Common Stock per $1,000 of
Principal Amount shall be equal to the Conversion Rate. A Security in respect of
which a Holder has delivered a Purchase Notice or Change in Control Purchase
Notice exercising the option of such Holder to require the Company to purchase
such Security may be converted only if the notice of exercise is withdrawn in
accordance with the terms of the Indenture.

     The initial Conversion Rate is 5.430 shares of Common Stock per $1,000
Principal Amount, subject to adjustment in certain events described in the
Indenture.  The Company will deliver cash or a check in lieu of any fractional
share of Common Stock.

     The Holders' right to convert Securities into shares of Common Stock is
subject to the Company's right to elect to instead pay such Holder the amount of
cash set forth in the next succeeding sentence in lieu of delivering such shares
of Common Stock; provided, however, that if such payment of cash is not
                 --------- -------                                     
permitted pursuant to the provisions of the Indenture or the provisions of any
other agreement or instrument to which the Company is a party or by which it is
bound or otherwise, the Company shall deliver shares of Common Stock (and cash
in lieu of fractional shares of Common Stock) in accordance with Article X of
the Indenture, whether or not the Company has delivered a notice pursuant to
Section 10.02 to the effect that the Securities will he paid in cash.  The
amount of cash to he paid for each $1,000 Principal Amount of a Security shall
be equal to the Sale Price of a share of Common Stock on the Trading Day
immediately prior to the related Conversion Date multiplied by the Conversion
Rate in effect on such Trading Day.

     The Company shall not pay cash in lieu of delivering shares of Common Stock
upon the conversion of any Security pursuant to the terms of Article X of the
Indenture (other than cash in lieu of fractional shares) if there has occurred
(prior to, on or after, as the case may be, the Conversion Date or the date on
which the Company delivers its notice of whether each Security shall he
converted into shares of Common Stock or cash) and is continuing an Event of
Default (other than a default in such payment on such Securities), provided,
                                                                   ---------
however, that this sentence shall not apply in the event that an Event of
- -------                                                                  
Default occurs after such cash is paid.

     In the event the Company exercises its option pursuant to Section 12.01 of
the Indenture to have interest in lieu of Original Issue Discount accrue on the
Security following a Tax Event, the Holder will be entitled on conversion to
receive the same number of shares of Common Stock such Holder would have
received if the Company had not exercised such option.  If the Company exercises
such option, Securities surrendered for conversion during the period from the
close of business on any Regular Record Date next preceding any Interest Payment
Date to the opening of business of such Interest Payment Date (except Securities
to be redeemed on a date within such period) must be accompanied by payment of
an amount equal to the interest thereon that the registered Holder is to
receive.  Except where Securities surrendered for conversion must he accompanied
by payment as described above, no interest on converted Securities will he
payable by the Company on any Interest Payment Date subsequent to the date of
conversion.

     To convert a Security a Holder must (i) complete and manually sign the
conversion notice on the back of the Security (or complete and manually sign a
facsimile of such notice) and deliver such notice to the Conversion Agent (or
the office or agency referred to in Section 4.05 of the Indenture) or, if
applicable, complete and deliver to The Depository Trust Company ("DTC" or the

                                       5
<PAGE>
 
"Depositary," which term includes any successor thereto) the appropriate
instruction form for conversion pursuant to the Depositary's book entry
conversion program, (ii) surrender the Security to a Conversion Agent by
physical or book entry delivery (which is not necessary in the case of
conversion pursuant to the Depositary's book entry conversion program), (iii)
furnish appropriate endorsements and transfer documents if required by the
Conversion Agent, the Company or the Trustee and (iv) pay any transfer or
similar tax, if required.  Book entry delivery of a Security to the Conversion
Agent may be made by any financial institution that is a participant in the
Depositary; conversion through the Depositary's book entry conversion program is
available for any security that is held in an account maintained at the
Depositary by any such participant.

     A Holder may convert a portion of a Security if the Principal Amount of
such portion is $1,000 or an integral multiple of $1,000.  No payment or
adjustment will be made for dividends on the Common Stock, except as provided in
the Indenture.  On conversion of a Security, that portion of accrued Original
Issue Discount (or interest, if the Company has exercised its option provided
for in paragraph 9 hereof) attributable to the period from the Issue Date (or,
if the Company has exercised the option referred to in paragraph 9 hereof, the
later of (x) the date of such exercise and (y) the date on which interest was
last paid) to the Conversion Date with respect to the converted Security shall
not be cancelled, extinguished or forfeited, but rather shall be deemed paid in
full to the Holder thereof through the delivery of the Common Stock in exchange
for the Security being converted pursuant to the terms hereof.

     The Conversion Rate will be adjusted for (i) dividends or distributions on
Common Stock payable in Common Stock or other Capital Stock, (ii) certain
subdivisions, combinations or reclassifications of Common Stock, (iii)
distributions to all holders of Common Stock of certain rights, warrants, or
options to purchase Common Stock for a period expiring within 60 days at a price
per share less than the Sale Price at the Time of Determination and (iv)
distributions to such holders of assets or debt securities of the Company or
certain rights, warrants or options to purchase securities of the Company
(excluding certain cash dividends or other cash distributions).  However, no
adjustment need be made if Holders may participate in the transaction or in
certain other cases.  The Company from time to time may voluntarily increase the
Conversion Rate.

     If the Company is a party to a consolidation, merger or binding share
exchange of the type specified in the Indenture, or certain transfers of all or
substantially all of its assets to another person, or in certain other
circumstances described in the Indenture, the right to convert a Security into
Common Stock may be changed into a right to convert it into securities, cash or
other assets of the Company or another person.

9.   TAX EVENT
     ---------

     (a) From and after the date (the "Tax Event Date") of the occurrence of a
Tax Event, at the option of the Company, interest in lieu of future Original
Issue Discount shall accrue at 3.125% per annum on a principal amount per
Security (the "Restated Principal Amount") equal to the Issue Price plus
Original Issue Discount accrued to the date immediately prior to the Tax Event
Date and shall be payable semiannually on April 14 and October 14 of each year
(each an "Interest Payment Date") to holders of record at the close of business
on March 30 or September 29 (each a "Regular Record Date") immediately preceding
such Interest Payment Date.  Interest will be computed on the basis of a 360-day
year comprised of twelve 30-day months and will accrue from the most recent date
to which interest has been paid or, if no interest has been paid, from the Tax
Event Date.


                                       6
<PAGE>
 
     (b) Interest on any Security that is payable, and is punctually paid or
duly provided for, on any Interest Payment Date shall be paid to the person in
whose name that Security is registered at the close of business on the Regular
Record Date for such interest at the office or agency of the Company maintained
for such purpose.  Each installment of interest on any Security shall be paid in
same-day funds by transfer to an account maintained by the payee located inside
the United States.  In the case of a permanent global Security, interest payable
on any Interest Payment Date will be paid to the Depositary, Euroclear and/or
Cedel, as the case may be, with respect to that portion of such permanent global
Security held for its account by Cede & Co.  or the London office of a
depositary, as the case may be, for the purpose of permitting such party to
credit the interest received by it in respect of such permanent global Security
to the accounts of the beneficial owners thereof.

     (c) Except as otherwise specified with respect to the Securities, any
interest on any Security that is payable, but is not punctually paid or duly
provided for, on any Interest Payment Date (herein called "Defaulted Interest")
shall forthwith cease to be payable to the registered Holder thereof on the
relevant Regular Record Date by virtue of having been such Holder, and such
Defaulted Interest may be paid by the Company as provided for in Section 12.02
(b) of the Indenture.

10.  CONVERSION ARRANGEMENT ON CALL FOR REDEMPTION
     ---------------------------------------------

     Any Securities called for redemption, unless surrendered for conversion
before the Redemption Date, may be deemed to be purchased from the Holders of
such Securities at an amount not less than the Redemption Price, by one or more
investment bankers or other purchasers who may agree with the Company to
purchase such Securities from the Holders and to make payment for such
Securities to the Trustee in trust for such Holders.

11.  DENOMINATIONS; TRANSFER; EXCHANGE
     ---------------------------------

     The Securities are in fully registered form, without coupons, in minimum
denominations of $1,000 Principal Amount at Stated Maturity or in integral
multiples thereof.  A Holder may transfer or exchange Securities in accordance
with the Indenture.  The Registrar may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and to pay any taxes and
fees required by law or permitted by the Indenture.  The Registrar need not
transfer or exchange any Securities selected for redemption (except, in the case
of a Security to be redeemed in part, the portion of the Security not to be
redeemed) or any Securities in respect of which a Purchase Notice or Change in
Control Purchase Notice has been given and not withdrawn (except, in the case of
a Security to be purchased in part, the portion of the Security not to be
purchased) or any Securities for a period of 15 days before a selection of
Securities to be redeemed.

12.  PERSONS DEEMED OWNERS
     ---------------------

     The registered Holder of this Security may be treated as the owner of this
Security for all purposes.

                                       7
<PAGE>
 
13.  UNCLAIMED MONEY OR SECURITIES
     -----------------------------

     The Trustee and the Paying Agent shall return to the Company any money or
securities held by them for the payment of any amount with respect to the
Securities that remains unclaimed for two years, provided, however, that at the
                                                 --------  -------             
Company's request prior to such two year anniversary, the Trustee or such Paying
Agent, before being required to make any such return, shall at the expense of
the Company cause to be published once in The Wall Street Journal or another
                                          -----------------------           
newspaper of national circulation or mail to each such Holder notice that such
money or securities remains unclaimed and that, after a date specified therein,
which shall not be less than 30 days from the date of such publication or
mailing, any unclaimed money or securities then remaining will be returned to
the Company.  After return to the Company, Holders entitled to the money or
securities must look to the Company for payment as general creditors unless an
applicable abandoned property law designates another person, and the Trustee and
the Paying Agent shall have no further liability with respect to such money or
securities for that period commencing after the return thereof.

14.  AMENDMENT; WAIVER
     -----------------

     Subject to certain exceptions set forth in the Indenture, (i) the Indenture
or the Securities may be amended with the written consent of the Holders of at
least a majority in aggregate Principal Amount of the Securities at the time
outstanding and (ii) certain defaults or noncompliance with certain provisions
may be waived with the written consent of the Holders of a majority in aggregate
Principal Amount of the Securities at the time outstanding.  Subject to certain
exceptions set forth in the Indenture, without the consent of any Holder, the
Company and the Trustee may, among other things, amend the Indenture or the
Securities to cure any ambiguity, defect or inconsistency, or to comply with
Article V or Section 10.14 of the Indenture or to make any change that does not
materially adversely affect the rights of any Holder.

15.  DEFAULTS AND REMEDIES
     ---------------------

     Under the Indenture, Events of Default include (i) after exercise by the
Company of its option pursuant to Section 12.01 of the Indenture following a Tax
Event, default in the payment of interest that continues for a period of 31
days; (ii) default in payment of the Principal Amount, Issue Price, accrued
Original Issue Discount, Redemption Price, Purchase Price or Change in Control
Purchase Price, as the case may be, in respect of the Securities when the same
becomes due and payable; (iii) failure either to deliver shares of Common Stock
or pay cash in lieu thereof (together with cash in lieu of fractional shares) in
accordance with the terms of the Indenture when such Common Stock or cash is
required to be delivered following conversion of a Security and such failure is
not remedied for a period of 10 days; (iv) failure by the Company to comply with
other agreements in the Indenture or the Securities, subject to notice and lapse
of time; or (v) certain events of bankruptcy or insolvency.  If an Event of
Default occurs and is continuing, the Trustee, or the Holders of at least 25% in
aggregate Principal Amount of the Securities at the time outstanding, may
declare all the Securities to be due and payable immediately.  Certain events of
bankruptcy or insolvency are Events of Default that will result in the
Securities becoming due and payable immediately upon the occurrence of such
Events of Default.

     Holders may not enforce the Indenture or the Securities, except as provided
in the Indenture.  The Trustee may refuse to enforce the Indenture or the
Securities unless it receives reasonable indemnity or security.  Subject to
certain limitations, Holders of a majority in aggregate Principal Amount of the
Securities at the time outstanding may direct the Trustee in its exercise of any
trust or power.  The Trustee may withhold from Holders notice of any continuing
Default (except a 

                                       8
<PAGE>
 
Default in payment of amounts specified in clause (i) or (ii) in the immediately
preceding paragraphs) if it determines that withholding notice is in their
interests.

16.  TRUSTEE DEALINGS WITH THE COMPANY
     ---------------------------------

     Subject to certain limitations imposed by the TIA, the Trustee under the
Indenture, in its individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with and collect obligations owed
to it by the Company or its Affiliates and may otherwise deal with the Company
or its Affiliates with the same rights it would have if it were not Trustee.

17.  NO RECOURSE AGAINST OTHERS
     --------------------------

     A director, officer, employee or stockholder, as such, of the Company shall
not have any liability for any obligations of the Company under the Securities
or the Indenture or for any claim based on, in respect of or by reason of such
obligations or their creation.  By accepting a Security, each Holder waives and
releases all such liability.  The waiver and release are part of the
consideration for the issue of the Securities.

18.  SUBORDINATION
     -------------

     Indebtedness evidenced by the LYONs will be subordinated in right of
payment as set forth in the Indenture, to the prior payment in full of all
existing and future Senior Indebtedness (as defined in the Indenture).  There is
no restriction under the Indenture on the Company's incurring additional
indebtedness, including Senior Indebtedness.  The Company agrees, and each
Holder by accepting a Security consents and agrees, to the subordination
provided in the Indenture and authorizes the Trustee to give it effect and
appoints the Trustee as attorney-in-fact for such purpose.

19.  AUTHENTICATION
     --------------
     This Security shall not be valid until an authorized signatory of the
Trustee manually signs the Certificate of Authentication on the other side of
this Security.

20.  ABBREVIATIONS
     -------------

     Customary abbreviations may be used in the name of a Holder or an assignee,
such as TEN COM (= tenants in common), TEN ENT (=tenants by the entireties), JT
TEN (=joint tenants with right of survivorship and not as tenants in common) and
CUST (=custodian), and UNIF TRANS MIN ACT (=Uniform Transfers to Minors Act).

21.  GOVERNING LAW
     -------------

     THE INDENTURE AND THIS SECURITY SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE
AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF
CONFLICT OF LAWS.

22.  ADDITIONAL RIGHTS OF HOLDERS OF TRANSFER RESTRICTED SECURITIES
     --------------------------------------------------------------

     In addition to the rights provided to Holders of Securities under the
Indenture, Holders of Securities shall have all the rights set forth in the
Registration Rights Agreement.
                          ___________________________

                                       9
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                             <C> 
                        ASSIGNMENT FORM                                                 CONVERSION NOTICE
To assign this Security, fill in the form below:                    To convert this Security into Common Stock of the Company,
                                                                                        check the box:  [_]
I or we assign and transfer this Security to:
 
                                                                  To convert only part of this Security, state the Principal
- ----------------------------------------------------------------  amount to be converted (which must be $1,000 or an integral
          (Insert assignee's soc. sec. or tax ID no.)             multiple of $1,000:
                                                                  
 
 
                                                                  If you want the stock certificate made out in another
- ----------------------------------------------------------------  person's name, fill in the form below: 
     (Print or type assignee's name, address and zip code)                                      
                                                                  
 
and irrevocably appoint                      agent to transfer
                        ---------------------
this Security on the books of the Company.  The agent may
substitute another to act for him.
 
</TABLE> 

<TABLE> 
<CAPTION> 

<S>                                                     <C> 
                                                         (Insert person's soc.
          EXCHANGE FORM                                   sec. or tax ID no.)

To exchange its beneficial
interest in Global Security                             ______________________________
held by the Depositary for a      
Security or Securities in                               ______________________________
definitive, registered form of    
authorized denominations and an                         ______________________________
aggregate principal amount equal  
to its beneficial interest in                           ______________________________
such Global Security, a Holder                          (Print or type person's name,    
should check the box: [_]                               address and zip code)             
                                                                                     
                                  
</TABLE> 
_________________________________________________________________

Date:_________________ Your Signature:_________________________*

_________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)


* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.


                                      10
<PAGE>
 
                       OPTION OF HOLDER TO ELECT PURCHASE
     If you want to elect to have this Security purchased by the Issuer pursuant
to Section 3.08 or Section 3.09 of the Indenture, check the appropriate box:

                [_]    Section 3.08

                [_]    Section 3.09

     If you want to elect to have only part of this Security purchased by the
Issuer pursuant to Section 3.08 or Section 3.09 of the Indenture, state the
amount you elect to have purchased:

$___________________



________________________________________________________________________


Date:  ___________  Your Signature: ____________________________________*



________________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)

* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include member
ship or participation in the Security Transfer Agent Medallion Program ("STAMP")
or such other "signature guarantee program" as may be determined by the
Registrar in addition to, or in substitution for, STAMP, all in accordance with
the Securities Exchange Act of 1934, as amended.

                                      11
<PAGE>
 
               SCHEDULE OF EXCHANGES OF DEFINITIVE SECURITIES



          The following exchanges of a part of this Global Security for
Definitive Securities have been made:

<TABLE>
<CAPTION>
            Amount of          Amount of               Principal Amount
            decrease in        increase in             at Maturity            Signature of
            Principal Amount   Principal Amount        of this Global         authorized signatory of 
            at Maturity        at Maturity of this     Security following     Trustee or      
Date of     of this Global     Global                  such decrease (or      Securities       
Exchange    Security           Security                increase)              Custodian           
- -----------------------------------------------------------------------------------------------
<S>                             <C> 

</TABLE>













                                      12

<PAGE>
 
================================================================================

                                                                     Exhibit 4.2

                            Hewlett-Packard Company

                                    Issuer,

                                      and

                       Chase Trust Company of California

                                    Trustee


                    Liquid Yield Option /TM/ Notes due 2017
                          (Zero Coupon--Subordinated)


                            _______________________


                                   INDENTURE

                          Dated as of October 14, 1997


                            _______________________


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



/TM/ Trademark of Merrill Lynch & Co., Inc.
<PAGE>
 
                               TABLE OF CONTENTS


NOTE:  This Table of Contents shall not, for any purpose, be deemed to be part
of the Indenture.

<TABLE>
<CAPTION>
                                                                                        Page
                                                                                        ----
ARTICLE I.    DEFINITIONS AND INCORPORATION BY REFERENCE
<S>                                                                                     <C>
        SECTION 1.01.   Definitions....................................................   1
        SECTION 1.02.   Other Definitions..............................................   7
        SECTION 1.03.   Incorporation by Reference of Trust Indenture Act..............   8
        SECTION 1.04.   Rules of Construction..........................................   9

ARTICLE II.   THE SECURITIES

        SECTION 2.01.   Form and Dating................................................   9
        SECTION 2.02.   Execution and Authentication...................................  12
        SECTION 2.03.   Registrar, Paying Agent and Conversion Agent...................  13
        SECTION 2.04.   Paying Agent To Hold Money and Securities in Trust.............  13
        SECTION 2.05.   Securityholder Lists...........................................  14
        SECTION 2.06.   Transfer and Exchange..........................................  14
        SECTION 2.07.   Replacement Securities.........................................  16
        SECTION 2.08.   Outstanding Securities; Determinations of Holders' Action......  17
        SECTION 2.09.   Temporary Securities...........................................  18
        SECTION 2.10.   Cancellation...................................................  18
        SECTION 2.11.   Global Securities; Temporary Securities........................  19
        SECTION 2.12.   CUSIP Numbers..................................................  27

ARTICLE III.  REDEMPTION AND PURCHASES

        SECTION 3.01.   Right to Redeem; Notices to Trustee............................  28
        SECTION 3.02.   Selection of Securities to Be Redeemed.........................  28
        SECTION 3.03.   Notice of Redemption...........................................  29
        SECTION 3.04.   Effect of Notice of Redemption.................................  30
        SECTION 3.05.   Deposit of Redemption Price....................................  30
        SECTION 3.06.   Securities Redeemed in Part....................................  30
        SECTION 3.07.   Conversion Arrangement on Call for Redemption..................  30
        SECTION 3.08.   Purchase of Securities at the Option of the Holder.............  31
        SECTION 3.09.   Purchase of Securities at Option of the Holder upon Change
                        in Control.....................................................  38
        SECTION 3.10.   Effect of Purchase Notice or Change in Control Purchase
                        Notice.........................................................  41
</TABLE>

                                       i
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                                                     <C>
        SECTION 3.11.   Deposit of Purchase Price or Change in Control Purchase
                        Price..........................................................  43
        SECTION 3.12.   Securities Purchased in Part...................................  43
        SECTION 3.13.   Covenant to Comply with Securities Laws upon Purchase of
                        Securities.....................................................  43
        SECTION 3.14.   Repayment to the Company.......................................  44

ARTICLE IV.   COVENANTS

        SECTION 4.01.   Payment of Securities..........................................  44
        SECTION 4.02.   SEC Reports....................................................  45
        SECTION 4.03.   Compliance Certificate; Notice of Defaults.....................  45
        SECTION 4.04.   Further Instruments and Acts...................................  46
        SECTION 4.05.   Maintenance of Office or Agency................................  46
        SECTION 4.06.   Calculation of Original Issue Discount.........................  46
        SECTION 4.07.   144A Information Requirement...................................  47

ARTICLE V.    SUCCESSOR CORPORATION

        SECTION 5.01.   When Company May Merge or Transfer Assets......................  47
        SECTION 5.02.   Successor Company Substituted..................................  48

ARTICLE VI.   DEFAULTS AND REMEDIES

        SECTION 6.01.   Events of Default..............................................  48
        SECTION 6.02.   Acceleration...................................................  50
        SECTION 6.03.   Other Remedies.................................................  51
        SECTION 6.04.   Waiver of Past Defaults........................................  51
        SECTION 6.05.   Control by Majority............................................  51
        SECTION 6.06.   Limitation on Suits............................................  51
        SECTION 6.07.   Rights of Holders to Receive Payment...........................  52
        SECTION 6.08.   Collection Suit by Trustee.....................................  52
        SECTION 6.09.   Trustee May File Proofs of Claim...............................  52
        SECTION 6.10.   Priorities.....................................................  53
        SECTION 6.11.   Undertaking for Costs..........................................  54
        SECTION 6.12.   Notice of Defaults.............................................  54
        SECTION 6.13.   Waiver of Stay, Extension or Usury Laws........................  54

ARTICLE VII.  TRUSTEE

        SECTION 7.01.   Rights of Trustee..............................................  55
</TABLE>
                                      ii
<PAGE>
 
<TABLE>
<CAPTION>

<S>                                                                                     <C>
        SECTION 7.02.   Individual Rights of Trustee...................................  56
        SECTION 7.03.   Trustee's Disclaimer...........................................  56
        SECTION 7.04.   Notice of Defaults.............................................  56
        SECTION 7.05.   Reports by Trustee to Holders..................................  57
        SECTION 7.06.   Compensation and Indemnity.....................................  57
        SECTION 7.07.   Replacement of Trustee.........................................  58
        SECTION 7.08.   Successor Trustee by Merger....................................  59
        SECTION 7.09.   Eligibility; Disqualification..................................  59
        SECTION 7.10.   Preferential Collection of Claims Against Company..............  59
        SECTION 7.11.   Money Held in Trust............................................  59
        SECTION 7.12.   Appointment of Authenticating Agent............................  60
        SECTION 7.13.   Trustee's Application for Instructions from the Company........  61
        SECTION 7.14.   Reports by Trustee.............................................  61

ARTICLE VIII. DISCHARGE OF INDENTURE

        SECTION 8.01.   Discharge of Liability on Securities...........................  62
        SECTION 8.02.   Repayment to the Company.......................................  62

ARTICLE IX.   AMENDMENTS

        SECTION 9.01.   Without Consent of Holders.....................................  63
        SECTION 9.02.   With Consent of Holders........................................  63
        SECTION 9.03.   Compliance with Trust Indenture Act............................  65
        SECTION 9.04.   Revocation and Effect of Consents, Waivers and Actions.........  65
        SECTION 9.05.   Notation on or Exchange of Securities..........................  65
        SECTION 9.06.   Trustee to Sign Supplemental Indentures........................  66
        SECTION 9.07.   Effect of Supplemental Indentures..............................  66

ARTICLE X.    CONVERSION

        SECTION 10.01.  Conversion Privilege...........................................  66
        SECTION 10.02.  Conversion Procedure...........................................  68
        SECTION 10.03.  Fractional Shares..............................................  69
        SECTION 10.04.  Taxes on Conversion............................................  70
        SECTION 10.05.  Company to Provide Stock.......................................  70
        SECTION 10.06.  Adjustment for Change in Capital Stock.........................  70
        SECTION 10.07.  Adjustment for Rights Issue....................................  71
        SECTION 10.08.  Adjustment for Other Distributions.............................  72
        SECTION 10.09.  When Adjustment May Be Deferred................................  75
        SECTION 10.10.  When No Adjustment Required....................................  75
</TABLE>
                                      iii
<PAGE>
 
<TABLE>
<CAPTION>

<S>                                                                                     <C>

        SECTION 10.11.  Notice of Adjustment...........................................  76
        SECTION 10.12.  Voluntary Increase.............................................  76
        SECTION 10.13.  Notice of Certain Transactions.................................  76
        SECTION 10.14.  Reorganization of Company; Special Distributions...............  77
        SECTION 10.15.  Company Determination Final....................................  78
        SECTION 10.16.  Trustee's Adjustment Disclaimer................................  78
        SECTION 10.17.  Simultaneous Adjustments.......................................  78
        SECTION 10.18.  Successive Adjustments.........................................  78

ARTICLE XI.   SUBORDINATION

        SECTION 11.01.  Securities Subordinate to Senior Indebtedness..................  78
        SECTION 11.02.  Payment Over of Proceeds Upon Dissolution, Etc.................  79
        SECTION 11.03.  Payment Permitted If No Default................................  80
        SECTION 11.04.  Subrogation to Rights of Holders of Senior Indebtedness........  80
        SECTION 11.05.  Provisions Solely to Define Relative Rights....................  81
        SECTION 11.06.  Trustee to Effectuate Subordination............................  81
        SECTION 11.07.  No Waiver of Subordination Provisions..........................  82
        SECTION 11.08.  Reliance on Judicial Order or Certificate of Liquidating Agent.  82
        SECTION 11.09.  Trustee Not Fiduciary for Holders of Senior Indebtedness.......  82
        SECTION 11.10.  Rights of Trustee as Holders of Senior Indebtedness;
                        Preservation of Trustee's Rights...............................  83
        SECTION 11.11.  Article XI Applicable to Paying Agents.........................  83

ARTICLE XII.  SPECIAL TAX EVENT CONVERSION

        SECTION 12.01.  Optional Conversion to Semiannual Coupon Note Upon Tax
                        Event..........................................................  83
        SECTION 12.02.  Payment of Interest; Interest Rights Preserved.................  84

ARTICLE XIII. MISCELLANEOUS

        SECTION 13.01.  Trust Indenture Act Controls...................................  85
        SECTION 13.02.  Notices........................................................  86
        SECTION 13.03.  Communication by Holders with Other Holders....................  86
        SECTION 13.04.  Certificate and Opinion as to Conditions Precedent.............  87
        SECTION 13.05.  Statements Required in Certificate or Opinion..................  87
        SECTION 13.06.  Separability Clause............................................  87
        SECTION 13.07.  Rules By Trustee, Paying Agent, Conversion Agent and
                        Registrar......................................................  87
</TABLE>

                                      iv
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                                                     <C> 
        SECTION 13.08.  Legal Holiday..................................................  88
        SECTION 13.09.  GOVERNING LAW..................................................  88
        SECTION 13.10.  No Recourse Against Others.....................................  88
        SECTION 13.11.  Successors.....................................................  88
        SECTION 13.12.  Multiple Originals.............................................  88
        SECTION 13.13   Registration Rights............................................  88
        SECTION 13.14   Section References.............................................  88


SIGNATURES.............................................................................  89

EXHIBIT A FORM OF FACE OF NOTE......................................................... A-1
EXHIBIT B FORM OF TRANSFER CERTIFICATES................................................ B-1
</TABLE>


                                       v
<PAGE>
 
     INDENTURE, dated as of October 14, 1997, between Hewlett-Packard Company, a
California corporation ("Company"), and Chase Trust Company of California, as
                         -------                                             
trustee (the "Trustee").
              -------   

     Each party agrees as follows for the benefit of the other party and for the
equal and ratable benefit of the Holders of the Company's Liquid Yield Option
Notes due 2017 (Zero Coupon--Subordinated):


                                   ARTICLE I.

                   DEFINITIONS AND INCORPORATION BY REFERENCE


      SECTION 1.01.  DEFINITIONS.
                     ----------- 

     "AFFILIATE" of any specified person means any other person directly or
      ---------                                                            
indirectly controlling or controlled by or under direct or indirect common
control with such specified person.  For the purposes of this definition,
"control", when used with respect to any specified person, means the power to
- --------                                                                     
direct or cause the direction of the management and policies of such person,
directly or indirectly, whether through the ownership of voting securities, by
contract or otherwise; and the terms "controlling" and "controlled" have
                                      -----------       ----------      
meanings correlative to the foregoing.

     "APPLICABLE PROCEDURES" means, with respect to any transfer or exchange of
      ---------------------                                                    
beneficial ownership interests in a Global Security, the rules and procedures of
the DTC, Euroclear and Cedel that are applicable to such transfer or exchange.

     "AUTHENTICATING AGENT" means any Person authorized by the Trustee pursuant
      --------------------                                                     
to Section 7.12 to act on behalf of the Trustee to authenticate Securities.

     "BANKRUPTCY LAW" means Title 11, United States Code, or any similar Federal
      --------------                                                            
or state law for the relief of debtors generally.

     "BOARD OF DIRECTORS" or "BOARD" means, with respect to any matter, either
      ------------------      -----                                           
the board of directors of the Company or any committee of such board duly
authorized, with respect to such matter, to exercise the powers of such board.

     "BUSINESS DAY" means each day of the year on which banking institutions in
      ------------                                                             
The City of New York are not required or authorized to close.
<PAGE>
 
     "CAPITAL STOCK" for any corporation means any and all shares, interests,
      -------------                                                          
rights to purchase, warrants, options, participations or other equivalents of or
interests in (however designated) capital stock issued by that corporation.

     "CASH" or "CASH" means such coin or currency of The United States of
      ----      ----                                                     
America as at any time of payment is legal tender for the payment of public and
private debts.

     "CEDEL" means Centrale de Livraison de Valeurs Mobilieres, S.A., or its
      -----                                                                 
successor.

     "COMMON STOCK" means the Common Stock, $1.00 par value per share, of the
      ------------                                                           
Company as it exists on the date of this Indenture or any other shares of
capital stock of the Company into which such common stock shall be reclassified
or changed.

     "COMPANY" means the party named as the "Company" in the first paragraph of
      -------                                                                  
this Indenture until a successor replaces it pursuant to the applicable
provisions of this Indenture and, thereafter, shall mean such successor.  The
foregoing sentence shall likewise apply to any subsequent such successor or
successors.

     "COMPANY REQUEST" or "COMPANY ORDER" means a written request or order
      ---------------      -------------                                  
signed in the name of the Company by any authorized officer of the Company.

     "CONSOLIDATED SUBSIDIARY" means, at any date, any Subsidiary the accounts
      -----------------------                                                 
of which are consolidated with those of the Company as of such date for public
financial reporting purposes.

     "CUSTODIAN" means any receiver, trustee, assignee, liquidator, custodian or
      ---------                                                                 
similar official under any Bankruptcy Law.

     "DEFAULT" means any event that is, or after notice or passage of time or
      -------                                                                
both would be, an Event of Default.

     "DEFINITIVE SECURITIES" means Securities that are in the form of Security
      ---------------------                                                   
attached hereto as Exhibit A that does not include the paragraph and schedule
referred to in footnotes 1 and 2, respectively.

     "DEPOSITARY" means, with respect to the Securities issuable or issued in
      ----------                                                             
whole or in part in global form, the person specified in Section 2.03 as the
Depositary with respect to the Securities, until a successor shall have been
appointed and become such pursuant to the applicable provision of this
Indenture, and, thereafter, "Depositary" shall mean or include such successor.

                                       2
<PAGE>
 
     "EUROCLEAR" means Morgan Guaranty Trust Company of New York, Brussels
      ---------                                                           
Office, or its successor as operator of the Euroclear System.

     "GLOBAL SECURITIES" means, individually and collectively, the Regulation S
      -----------------                                                        
Temporary Global Security, the Regulation S Permanent Global Security and the
Restricted Global Security.

     "HOLDER" or "SECURITYHOLDER" means a person in whose name a Security is
      ------      --------------                                            
registered on the Registrar's books.

     "INDENTURE" means this Indenture as amended or supplemented from time to
      ---------                                                              
time in accordance with the terms hereof, including the provisions of the TIA
that are deemed to be a part hereof.

     "INITIAL PURCHASER" means Merrill Lynch & Co., Merrill Lynch, Pierce,
      -----------------                                                   
Fenner & Smith Incorporated.

     "ISSUE DATE" of any Security means the date on which the Security was
      ----------                                                          
originally issued or deemed issued as set forth on the face of the Security.

     "ISSUE PRICE" of any Security means, in connection with the original
      -----------                                                        
issuance of such Security, the initial issue price at which the Security is sold
as set forth on the face of the Security.

     "MARKET PRICE" means the average of the Sale Price of the Common Stock for
      ------------                                                             
the five Trading Day period ending on and including the third Trading Day
immediately prior to but not including, the applicable Purchase Date
appropriately adjusted to take into account the actual occurrence, during the
seven Trading Days preceding such Purchase Date, of any event described in
Section 10.06, 10.07 or 10.08; subject, however, to the conditions set forth in
                               -------  -------                                
Sections 10.09 and 10.10.

     "OFFICER" means either Chairman or Vice Chairman of the Board, the
      -------                                                          
President, any Vice President, the Treasurer, the Secretary, any Assistant
Treasurer or Assistant Secretary of the Company.

     "OFFICER'S CERTIFICATE" means a written certificate containing the
      ---------------------                                            
information specified in Sections 13.04 and 13.05, (i) signed in the name of the
Company by any of its Chairman of the Board, Vice Chairman of the Board, the
President, any Vice President, the Treasurer, any 


                                       3
<PAGE>
 
Assistant Treasurer, the Controller, any Assistant Controller, its Secretary or
any Assistant Secretary, and delivered to the Trustee.

     "OPINION OF COUNSEL" means a written opinion containing the information
      ------------------                                                    
specified in Sections 13.04 and 13.05, if applicable, rendered by legal counsel
who may be (i) an employee of, or counsel to, the Company or (ii) other counsel
designated by the Company and reasonably acceptable to the Trustee.

     "ORIGINAL ISSUE DISCOUNT" of any Security means the difference between the
      -----------------------                                                  
Issue Price and the Principal Amount of the Security as set forth on the face of
the Security.

     "PERSON" means any individual, corporation, partnership, joint venture,
      ------                                                                
association, joint-stock company, trust, unincorporated organization or
government or any agency or political subdivision thereof.

     "PRINCIPAL," "PRINCIPAL AMOUNT" OR "PRINCIPAL AMOUNT" of a Security means
      ---------    ----------------      ----------------                     
the principal amount due at the maturity date of the Security as set forth on
the face of the Security.

     "PURCHASE AGREEMENT" means the agreement dated October 7, 1997 between the
      ------------------                                                       
Company and the Initial Purchaser relating to the offer and sale of the
Securities.

     "REDEMPTION DATE" or "REDEMPTION DATE" shall mean the date specified for
      ---------------      ---------------                                   
redemption of any of the Securities in accordance with the terms of the
Securities and this Indenture.

     "REDEMPTION PRICE" or "REDEMPTION PRICE" shall have the meaning set forth
      ----------------      ----------------                                  
in paragraph 5 of the Securities.

     "REGISTRATION RIGHTS AGREEMENT" means that certain agreement among the
      -----------------------------                                        
Company and the Initial Purchaser of even date herewith relating to the
registration of the Securities under the Securities Act.

     "REGULATION S" means Regulation S promulgated under the Securities Act.
      ------------                                                          

     "REGULATION S GLOBAL SECURITY" means a Regulation S Temporary Global
      ----------------------------                                       
Security or Regulation S Permanent Global Security, as appropriate.


                                       4
<PAGE>
 
     "REGULATION S PERMANENT GLOBAL SECURITY" means a permanent Global Security
      --------------------------------------                                   
that contains the paragraph referred to in footnote 1, the paragraphs referred
to in footnote 2, the paragraph referred to in footnote 3 and the additional
schedule referred to in footnote 4 to the form of the Security attached hereto
as Exhibit A-2, and that is deposited with and registered in the name of the
Depositary, representing the Securities and in reliance on Regulation S.

     "REGULATION S TEMPORARY GLOBAL SECURITY" means a single temporary Global
      --------------------------------------                                 
Security that contains the paragraph referred to in footnote 1, the paragraphs
referred to in footnote 2, the paragraph referred to in footnote 3 and the
additional schedule referred to in footnote 4 to the form of the Security
attached hereto as Exhibit A-2 that is deposited with and registered in the name
of the Depositary, representing Securities sold in reliance on Regulation S.

     "RESTRICTED GLOBAL SECURITY" means a permanent Global Security that
      --------------------------                                        
contains the paragraph referred to in footnote 1, the paragraphs referred to in
footnote 2, the paragraph referred to in footnote 3 and the additional schedule
referred to in footnote 4 to the form of the Security attached hereto as Exhibit
A-1, and that is deposited with and registered in the name of the Depositary.

     "SALE PRICE" of a single share of Common Stock on any Trading Day means the
      ----------                                                                
closing per share sale price for the Common Stock (or if no closing sale price
is reported, the average of the bid and ask prices or, if more than one in
either case the average of the average bid and the average ask prices) on such
Trading Day as reported in composite transactions for the principal United
States securities exchange on which the Common Stock is traded or, if the Common
Stock is not listed on a United States national or regional stock exchange, as
reported by the National Association of Securities Dealers Automated Quotation
System.

     "SEC" means the Securities and Exchange Commission.
      ---                                               

     "SECURITIES" or "SECURITY" means any of the Company's Liquid Yield
      ----------      --------                                         
Option/TM*/ Notes due 2017, as amended or supplemented from time to time in
accordance with the terms hereof, issued under this Indenture.


     "SECURITIES CUSTODIAN" means the Registrar as custodian with respect to the
      --------------------                                                      
Securities in global form, or any successor entity thereto.


- -----------------------
/*/  /TM/Trademark of Merrill Lynch & Co., Inc.

                                       5
<PAGE>
 
     "SECURITYHOLDER" or "HOLDER" means a person in whose name a Security is
      --------------      ------                                            
registered on the Registrar's books.

     "SENIOR INDEBTEDNESS" means, without duplication, the principal, premium
      -------------------                                                    
(if any) and unpaid interest on all present and future (i) indebtedness of the
Company for borrowed money, (ii) obligations of the Company evidenced by bonds,
debentures, notes or similar instruments, (iii) all obligations of the Company
under (a) interest rate swaps, caps, collars, options, and similar arrangements,
(b) any foreign exchange contract, currency swap contract, futures contract,
currency option contract, or other foreign currency hedge, and (c) credit swaps,
caps, floors, collars and similar arrangements, (iv) indebtedness incurred,
assumed or guaranteed by the Company in connection with the acquisition by it or
a Subsidiary of any business, properties or assets (except purchase money
indebtedness classified as accounts payable under generally accepted accounting
principles), (v) all obligations and liabilities (contingent or otherwise) in
respect of leases of the Company required, in conformity with generally accepted
accounting principles, to be accounted for as capitalized lease obligations on
the balance sheet of the Company and all obligations and liabilities (contingent
or otherwise) under any lease or related document (including a purchase
agreement) in connection with the lease of real property which provides that the
Company is contractually obligated to purchase or cause a third party to
purchase the leased property and thereby guarantee a minimum residual value of
the leased property to the lessor and the obligations of the Company under such
lease or related document to purchase or to cause a third party to purchase such
leased property, (vi) reimbursement obligations of the Company in respect of
letters of credit relating to indebtedness or other obligations of the Company
that qualify as indebtedness or obligations of the kind referred to in clauses
(i) through (v) above, and (vii) obligations of the Company under direct or
indirect guaranties in respect of, and obligations (contingent or otherwise) to
purchase or otherwise acquire, or otherwise assure a creditor against loss in
respect of, indebtedness or obligations of others of the kinds referred to in
clauses (i) through (vi) above, in each case unless the instrument creating or
evidencing the indebtedness or obligation or pursuant to which the same is
outstanding provides that such indebtedness or obligation is not senior in right
of payment to the Securities.

     "STATED MATURITY", when used with respect to any Security, means the date
      ---------------                                                         
specified in such Security as the final fixed date on which the Principal of
such Security is due and payable.

     "SUBSIDIARY" means (i) a corporation, a majority of whose Capital Stock
      ----------                                                            
with voting power, under ordinary circumstances, to elect directors is, at the
date of determination, directly or indirectly owned by the Company, by one or
more subsidiaries of the Company or by the Company and one or more subsidiaries
of the Company, (ii) a partnership in which the Company or a subsidiary of the
Company holds a majority interest in the equity capital or 


                                       6
<PAGE>
 
profits of such partnership, or (iii) any other person (other than a
corporation) in which the Company, a subsidiary of the Company or the Company
and one or more subsidiaries of the Company, directly or indirectly, at the date
of determination, has (x) at least a majority ownership interest or (y) the
power to elect or direct the election of a majority of the directors or other
governing body of such person.

     "TAX EVENT" means that the Company shall have received an opinion from
      ---------                                                            
independent tax counsel experienced in such matters to the effect that, on or
after the date of this Indenture, as a result of (a) any amendment to, or change
(including any announced prospective change) in, the laws (or any regulations
thereunder) of the United States or any political subdivision or taxing
authority thereof or therein or (b) any amendment to, or change in, an
interpretation or application of such laws or regulations by any legislative
body, court, governmental agency or regulatory authority, in each case which
amendment or change is enacted, promulgated, issued or announced or which
interpretation is issued or announced or which action is taken, on or after the
date of this Indenture, there is more than an insubstantial risk that interest
(including Original Issue Discount) payable on the Securities either (i) would
not be deductible on a current accrual basis or (ii) would not be deductible
under any other method, in either case in whole or in part, by the Company (by
reason of deferral, disallowance, or otherwise) for United States federal income
tax purposes.

     "TIA" means the Trust Indenture Act of 1939, as amended by the Trust
      ---                                                                
Indenture Reform Act of 1990, and as in effect on the date of this Indenture,
except as provided in Section 9.03.

     "TIME OF DETERMINATION" means the time and date of the determination of
      ---------------------                                                 
stockholders entitled to receive rights, warrants, options or a distribution, in
each case, to which Sections 10.07 or 10.08 apply.

     "TRADING DAY" means each day on which the primary securities exchange or
      -----------                                                            
quotation system which is used to determine the Sale Price is open for trading
or quotation.

     "TRUST OFFICER" means any officer of the Trustee assigned by the Trustee to
      -------------                                                             
administer its corporate trust matters.

     "TRUSTEE" means the party named as the "Trustee" in the first paragraph of
      -------                                                                  
this Indenture until a successor replaces it pursuant to the applicable
provisions of this Indenture and, thereafter, shall mean such successor.


                                       7
<PAGE>
 
      SECTION 1.02.  OTHER DEFINITIONS.
                     ----------------- 
<TABLE>
<CAPTION>
                                                              Defined in
            Term                                               Section
            ----                                              ----------
<S>                                                          <C>
"Associate"................................................   3.09(a)
"Agent Members"............................................   2.01(d)
"beneficial owner".........................................   3.09(a)
"Change in Control"........................................   3.09(a)
"Change in Control Purchase Date"..........................   3.09(a)
"Change in Control Purchase Notice"........................   3.09(c)
"Change in Control Purchase Price".........................   3.09(a)
"Company Notice"...........................................   3.08(e)
"Company Notice Date"......................................   3.08(e)
"Conversion Agent".........................................      2.03
"Conversion Date"..........................................     10.02
"Conversion Rate"..........................................     10.01
"Defaulted Interest".......................................     12.02
"DTC"......................................................      2.03
"Event of Default".........................................      6.01
"Exchange Act".............................................   3.08(d)
"Ex-Dividend Time".........................................     10.01
"Extraordinary Cash Dividend"..............................     10.08
"Interest Payment Date"....................................     12.01
"Legal Holiday"............................................     11.08
"Legend"...................................................   2.06(d)
"Notice of Default"........................................      6.01
"Option"...................................................      2.02
"Option Exercise Date".....................................     12.01
"Paying Agent".............................................      2.03
"Purchase Date"............................................   3.08(a)
"Purchase Notice"..........................................   3.08(a)
"Purchase Price"...........................................   3.08(a)
"Registrar"................................................      2.03
"Regular Record Date"......................................     12.01
"Restated Principal Amount"................................     12.01
"Securities Act"...........................................   3.08(d)
"Tax Event Date"...........................................     12.01
"Time of Determination"....................................     10.01
"Transfer Restricted Security".............................   2.11(f)
</TABLE>

                                       8
<PAGE>
 
      SECTION 1.03.  INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT.
                     -------------------------------------------------  
Whenever this Indenture refers to a provision of the TIA, such provision is
incorporated by reference in and made a part of this Indenture.  The following
TIA terms used in this Indenture have the following meanings:

     "COMMISSION" means the SEC.
      ----------                

     "INDENTURE SECURITIES" means the Securities.
      --------------------                       

     "INDENTURE SECURITY HOLDER" means a Securityholder.
      -------------------------                         

     "INDENTURE TO BE QUALIFIED" means this Indenture.
      -------------------------                       

     "INDENTURE TRUSTEE" or "INSTITUTIONAL TRUSTEE" means the Trustee.
     ------------------      ---------------------                    

     "OBLIGOR" on the indenture securities means the Company.
      -------                                                

     All other TIA terms used in this Indenture that are defined by the TIA or
defined by TIA reference to another statute or regulation have the meanings
assigned to them by such definitions.

      SECTION 1.04.  RULES OF CONSTRUCTION.  Unless the context otherwise
                     ---------------------                               
requires:

            1. a term has the meaning assigned to it;

            2. an accounting term not otherwise defined has the meaning assigned
to it in accordance with generally accepted accounting principles as in effect
from time to time in The United States of America;

            3. "or" is not exclusive;

            4. "including" means including, without limitation; and

            5. words in the singular include the plural, and words in the plural
include the singular.


                                       9
<PAGE>
 
                                  ARTICLE II.

                                 THE SECURITIES


      SECTION 2.01.  FORM AND DATING.  The Securities and the Trustee's
                     ---------------                                   
certificate of authentication shall be substantially in the form of Exhibit A,
which is a part of this Indenture. The Securities may have notations, legends or
endorsements required by law, stock exchange rule or usage (provided that any
                                                            --------         
such notation, legend or endorsement required by usage is in a form acceptable
to the Company and the Trustee).  Each Security shall be dated the date of its
authentication.

     The Securities are being offered and sold by the Company pursuant to a
Purchase Agreement, dated October 7, 1997, between the Company and the Initial
Purchaser (the "Purchase Agreement").
                ------------------   

          (a) Restricted Global Securities.  Securities offered and sold within
              ----------------------------                                     
the United States to qualified institutional investors, as defined in Rule 144A
("QIBs"), in reliance on Rule 144A under the Securities Act shall be issued,
  ----                                                                      
initially in the form of a Restricted Global Security, which shall be deposited
on behalf of the purchasers of the Securities represented thereby with DTC or
the nominee thereof duly executed by the Company and authenticated by the
Trustee as hereinafter provided.  The aggregate principal amount of the
Restricted Global Securities may from time to time be increased or decreased by
adjustments made on the records of the Trustee and the Depositary as hereinafter
provided.

          (b) Regulation S Global Securities.  Securities offered and sold in
              ------------------------------                                 
reliance on Regulation S shall be issued initially in the form of the Regulation
S Temporary Global Security, which shall be deposited on behalf of the
purchasers of the Securities represented thereby with the Trustee, at its
Corporate Trust Office, as custodian for the Depositary, and registered in the
name of the Depositary, duly executed by the Company and authenticated by the
Trustee as hereinafter provided.  The "40-day restricted period" (as defined in
Regulation S) shall be terminated upon the receipt by the Trustee of (i) a
written certificate from the Depositary certifying that it has received
certification of non-U.S. beneficial ownership of 100% of the aggregate
principal amount of the Regulation S Temporary Global Security (except to the
extent of any beneficial owners thereof who acquired an interest therein
pursuant to another exemption from registration under the Securities Act and who
will take delivery of a beneficial ownership interest in a Restricted Global
Security, all as contemplated by Section 2.11(a)(ii) hereof), and (ii) an
Officer's Certificate from the Company.  Following the termination of the 40-day
restricted period, beneficial interests in the Regulation S Temporary Global


                                      10
<PAGE>
 
Security shall be exchanged for beneficial interests in Regulation S Permanent
Global Securities pursuant to the Applicable Procedures.  Simultaneously with
the authentication of Regulation S Permanent Global Securities, the Trustee
shall cancel the Regulation S Temporary Global Security.  The aggregate
principal amount of the Regulation S Temporary Global Security and the
Regulation S Permanent Global Securities may from time to time be increased or
decreased by adjustments made on the records of the Trustee and the Depositary,
as the case may be, in connection with transfers of interest as hereinafter
provided.

          (c) Global Securities in General.   Each global Security shall
              ----------------------------                              
represent such of the outstanding Securities as shall be specified therein and
each shall provide that it shall represent the aggregate amount of outstanding
Securities from time to time endorsed thereon and that the aggregate amount of
outstanding Securities represented thereby may from time to time be reduced or
increased, as appropriate, to reflect exchanges and redemptions.  Any
endorsement of a global Security to reflect the amount of any increase or
decrease in the amount of outstanding Securities represented thereby shall be
made by the Trustee in accordance with instructions given by the Holder thereof
as required by Section 2.11.

          (d) Book-Entry Provisions.  This Section 2.01(d), shall apply only to
              ---------------------                                            
Restricted Global Securities and the Regulation S Permanent Global Securities
deposited with or on behalf of the Depositary.

     The Company shall execute and the Trustee shall, in accordance with this
Section 2.01(d), authenticate and deliver initially one or more global
Securities that (a) shall be registered in the name of the Depositary, (b) shall
be delivered by the Trustee to the Depositary or pursuant to the Depositary's
instructions and (c) shall bear legends substantially to the following effect:

     "UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
     THE DEPOSITORY TRUST COMPANY TO THE COMPANY OR ITS AGENT FOR REGISTRATION
     OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED
     IN THE NAME OF CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN
     AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT
     HEREON IS MADE TO CEDE & CO.), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
     VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED
     OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.


                                      11
<PAGE>
 
     TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS, IN WHOLE
     BUT NOT IN PART, TO NOMINEES OF THE DEPOSITORY TRUST COMPANY OR TO A
     SUCCESSOR THEREOF OR SUCH SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF
     THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH
     THE RESTRICTIONS SET FORTH IN ARTICLE TWO OF THE INDENTURE REFERRED TO ON
     THE REVERSE HEREOF."

     Members of, or participants in, the Depositary ("Agent Members") shall have
                                                      -------------             
no rights under this Indenture with respect to any global Security held on their
behalf by the Depositary or under the global Security, and the Depositary may be
treated by the Company, the Trustee and any agent of the Company or the Trustee
as the absolute owner of such global Security for all purposes whatsoever.
Notwithstanding the foregoing, nothing herein shall (A) prevent the Company, the
Trustee or any agent of the Company or the Trustee from giving effect to any
written certification, proxy or other authorization furnished by the Depositary
or (B) impair, as between the Depositary and its Agent Members, the operation of
customary practices governing the exercise of the rights of a holder of any
Security.

       SECTION 2.02.  EXECUTION AND AUTHENTICATION.  The Securities shall be
                      ----------------------------                          
executed by the Company by any authorized officer, under its corporate seal
reproduced thereon attested by its Corporate Counsel.  The signature of any of
these officers on the Securities may be manual or facsimile.

     Securities bearing the manual or facsimile signatures of individuals who
were at any time the proper Officers of the Company shall bind the Company,
notwithstanding that such individuals or any of them have ceased to hold such
offices prior to the authentication and delivery of such Securities or did not
hold such offices at the Issue Date of such Securities.

     No Security shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose unless there appears on such Security a
certificate of authentication substantially in the form provided for herein duly
executed by the Trustee by manual signature of an authorized signatory, and such
certificate upon any Security shall be conclusive evidence, and the only
evidence, that such Security has been duly authenticated and delivered
hereunder.

     The Trustee shall authenticate and deliver Securities for original issue in
an aggregate Principal Amount of up to $1,800,000,000 upon a Company Order
without any further action by the Company; provided, however, that in the event
                                           --------  -------                   
that the Initial Purchaser buys any Additional Securities pursuant to the
overallotment option (the "Option") granted pursuant to the Purchase Agreement,
                           ------                                              
then the Trustee shall authenticate and deliver Securities for original 

                                      12
<PAGE>
 
issue in an aggregate Principal Amount of up to $1,800,000,000 plus up to
$200,000,000 in aggregate Principal Amount or such lesser amount of Securities
in either case, sold pursuant to the Option upon a Company Order. The aggregate
Principal Amount of Securities outstanding at any time may not exceed the amount
set forth in the foregoing sentence, subject to the proviso set forth therein,
except as provided in Section 2.07.

     The Securities shall be issued only in registered form without coupons in
minimum denominations of $1,000 Principal Amount at maturity and in integral
multiples of $1,000 Principal Amount at maturity in excess thereof.

      SECTION 2.03.  REGISTRAR, PAYING AGENT AND CONVERSION AGENT.  The Company
                     --------------------------------------------              
shall maintain an office or agency where Securities may be presented for
registration of transfer or for exchange ("Registrar"), an office or agency
                                           ---------                       
where Securities may be presented for purchase or payment ("Paying Agent") and
                                                            ------------      
an office or agency where Securities may be presented for conversion
("Conversion Agent").  The Registrar shall keep a register of the Securities and
- ------------------                                                              
of their transfer and exchange.  The Company may have one or more co-registrars,
one or more additional paying agents and one or more additional conversion
agents.  The term Paying Agent includes any additional paying agent.  The term
Conversion Agent includes any additional conversion agent.

     The Company shall enter into an appropriate agency agreement with any
Registrar, Paying Agent, Conversion Agent or co-registrar other than the
Trustee.  The agreement shall implement the provisions of this Indenture that
relate to such agent.  The Company shall notify the Trustee and the Holders of
the name and address of any such agent and of any change in the office or agency
referred to in Section 4.05.  If the Company fails to maintain a Registrar,
Paying Agent or Conversion Agent, the Trustee shall act as such and shall be
entitled to appropriate compensation therefor pursuant to Section 7.06.  The
Company or any Subsidiary or an Affiliate of either of them may act as Paying
Agent, Registrar, Conversion Agent or co-registrar.

     The Company initially appoints the Trustee as Registrar, Conversion Agent
and Paying Agent in connection with the Securities.

     The Company initially appoints The Depository Trust Company ("DTC") to act
                                                                   ---         
as Depositary with respect to the Global Securities.

     The Company initially appoints the Registrar to act as Securities Custodian
with respect to the Global Securities.


                                      13
<PAGE>
 
      SECTION 2.04.  PAYING AGENT TO HOLD MONEY AND SECURITIES IN TRUST.  In
                     --------------------------------------------------     
accordance with Section 4.05 and except as otherwise provided herein, prior to
12:00 noon, New York City time, or on each due date of payments in respect of
any Security, the Company shall deposit with the Paying Agent a sum of money or,
if permitted by the terms hereof, securities sufficient to make such payments
when so becoming due.  The Company shall require each Paying Agent (other than
the Trustee) to agree in writing that the Paying Agent shall hold in trust for
the benefit of Securityholders or the Trustee all money and securities held by
the Paying Agent for the making of payments in respect of the Securities and
shall notify the Trustee of any default by the Company in making any such
payment.  At any time during the continuance of any default by the Company in
making any payments in respect of the Securities, the Paying Agent shall, upon
the written request of the Trustee, forthwith pay to the Trustee all money and
securities so held in trust.  If the Company, a Subsidiary or an Affiliate of
any of them acts as Paying Agent, it shall segregate the money and securities
held by it as Paying Agent and hold it as a separate trust fund. The Company at
any time may require a Paying Agent to pay all money and securities held by it
to the Trustee and to account for any money and securities disbursed by it.
Upon doing so, the Paying Agent shall have no further liability for the money
and securities.

      SECTION 2.05.  SECURITYHOLDER LISTS.  The Trustee shall preserve in as
                     --------------------                                   
current a form as is reasonably practicable the most recent list available to it
of the names and addresses of Securityholders.  If the Trustee is not the
Registrar, the Company shall furnish or cause to be furnished to the Trustee (i)
at least semiannually on June 1 and December 1 a list of the names and addresses
of Securityholders dated within 15 days of the date on which the list is
furnished and (ii) at such other times as the Trustee may request in writing a
list, in such form and as of such date as the Trustee may reasonably require, of
the names and addresses of Securityholders.

      SECTION 2.06.  TRANSFER AND EXCHANGE.
                     --------------------- 

     (a) Transfer and Exchange.  Upon surrender for registration of transfer of
         ---------------------                                                 
any Security, together with a written instrument of transfer satisfactory to the
Trustee duly executed by the Securityholder or such Securityholder's attorney
duly authorized in writing, at the office or agency of the Company designated as
Registrar or co-registrar pursuant to Section 2.03 or at the office or agency
referred to in Section 4.05, the Company shall execute, and the Trustee shall
authenticate and deliver, in the name of the designated transferee or
transferees, one or more new Securities of any authorized denomination or
denominations, of a like aggregate Principal Amount.  The Company shall not
charge a service charge for any registration of transfer or exchange, but the
Company may require payment of a sum sufficient to pay all taxes, assessments or
other governmental charges that may be imposed in connection 


                                      14
<PAGE>
 
with the transfer or exchange of the Securities from the Securityholder
requesting such transfer or exchange (other than any exchange of a temporary
Security for a Security not involving any change in ownership).

     (b) Obligations with respect to Transfers and Exchanges.  At the option of
         ---------------------------------------------------                   
the Holder, Securities may be exchanged for other Securities of any authorized
denomination or denominations, of a like aggregate Principal Amount, upon
surrender of the Securities to be exchanged, together with a written instrument
of transfer satisfactory to the Registrar duly executed by the Securityholder or
such Securityholder's attorney duly authorized in writing, at such office or
agency.  Whenever any Securities are so surrendered for exchange, the Company
shall execute, and the Trustee shall authenticate and deliver, the Securities
which the Holder making the exchange is entitled to receive.

     The Company shall not be required to make, and the Registrar need not
register, transfers or exchanges of (i) Definitive Securities selected for
redemption (except, in the case of Securities to be redeemed in part, the
portion thereof not to be redeemed), (ii) any Securities in respect of which a
Purchase Notice or a Change in Control Purchase Notice has been given and not
withdrawn by the Holder thereof in accordance with the terms of this Indenture
(except, in the case of Securities to be purchased in part, the portion thereof
not to be purchased) or (iii) any Securities for a period of 15 days before the
mailing of a notice of redemption.

     Successive registrations and registrations of transfers and exchanges as
aforesaid may be made from time to time as desired, and each such registration
shall be noted on the register for the Securities.

     Any Registrar appointed pursuant to Section 2.03 shall provide to the
Trustee such information as the Trustee may reasonably require in connection
with the delivery by such Registrar of Securities upon transfer or exchange of
Securities.

     No Registrar shall be required to make registrations of transfer or
exchange of Securities during any periods designated in the text of the
Securities or in this Indenture as periods during which such registration of
transfers and exchanges need not be made.

     (c) Restrictions on Transfer and Exchange of Global Securities.
         ----------------------------------------------------------  
Notwithstanding any provision to the contrary herein, so long as a global
Security remains outstanding and is held by or on behalf of the Depositary,
transfers of a global Security, in whole or in part, shall be made only in
accordance with Section 2.11 and this Section 2.06(c).  Transfers of a global
Security shall be limited to transfers of such global Security in whole, or 

                                      15
<PAGE>
 
in part, to nominees of the Depositary or to a successor of the Depositary or
such successor's nominee.

     (d) Legends.  If Securities are issued upon the transfer, exchange or
         -------                                                          
replacement of Securities subject to restrictions on transfer and bearing the
legends set forth on the form of Security attached hereto as Exhibit A-1 setting
forth such restrictions (collectively, the "Legend"), or if a request is made to
                                            ------                              
remove the Legend on a Security, the Securities so issued shall bear the Legend,
or the Legend shall not be removed, as the case may be, unless (i) there is
delivered to the Company and the Registrar such satisfactory evidence, which
shall include an Opinion of Counsel, as may be reasonably required by the
Company and the Registrar, that neither the Legend nor the restrictions on
transfer set forth therein are required to ensure that transfers thereof comply
with the provisions of Rule 144A, Rule 144 or Regulation S under the Securities
Act or that such Securities are not "restricted" within the meaning of Rule 144
under the Securities Act. Upon (i) provision of such satisfactory evidence, or
(ii) notification by the Company to the Trustee and Registrar of effectiveness
of a registration statement with respect to the Securities, the Trustee, at the
written direction of the Company, shall authenticate and deliver a Security that
does not bear the Legend.  If a Legend is removed from the face of a Security
and the Security is subsequently held by an Affiliate of the Company, the Legend
shall be reinstated.

      SECTION 2.07.  REPLACEMENT SECURITIES.  If (a) any mutilated Security is
                     ----------------------                                   
surrendered to the Company or the Trustee, or (b) the Company and the Trustee
receive evidence to their satisfaction of the destruction, loss or theft of any
Security, and there is delivered to the Company and the Trustee such security or
indemnity as may be required by them to save each of them harmless, then, in the
absence of notice to the Company or the Trustee that such Security has been
acquired by a bona fide purchaser, the Company shall execute, and upon its
              ---- ----                                                   
written request the Trustee shall authenticate and deliver, in exchange for any
such mutilated Security or in lieu of any such destroyed, lost or stolen
Security, a new Security of like tenor and Principal Amount, bearing a number
not contemporaneously outstanding.

     In case any such mutilated, destroyed, lost or stolen Security has become
or is about to become due and payable, or is about to be purchased by the
Company pursuant to Article III, the Company in its discretion may, instead of
issuing a new Security, pay or purchase such Security, as the case may be.

     Upon the issuance of any new Securities under this Section 2.07, the
Company may require the payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto and any other
expenses (including the fees and expenses of the Trustee) in connection
therewith.


                                      16
<PAGE>
 
     Every new Security issued pursuant to this Section in lieu of any
mutilated, destroyed, lost or stolen Security shall constitute an original
additional contractual obligation of the Company, whether or not the destroyed,
lost or stolen Security shall be at any time enforceable by anyone, and shall be
entitled to all benefits of this Indenture equally and proportionately with any
and all other Securities duly issued hereunder.

     The provisions of this Section are exclusive and shall preclude (to the
extent lawful) all other rights and remedies with respect to the replacement or
payment of mutilated, destroyed, lost or stolen Securities.

      SECTION 2.08.  OUTSTANDING SECURITIES; DETERMINATIONS OF HOLDERS' ACTION.
                     --------------------------------------------------------- 
Securities outstanding at any time are all the Securities authenticated by the
Trustee (including any Security represented by a Global Security), except for
those cancelled by it, those delivered to it for cancellation, mutilated,
destroyed, lost or stolen Securities for which the Trustee has authenticated and
delivered a new Security in lieu therefor pursuant to Section 2.07, those paid
pursuant to Section 2.07, and those described in this Section 2.08 as not
outstanding.  A Security does not cease to be outstanding because the Company or
an Affiliate thereof holds the Security; provided, however, that in determining
                                         --------  -------                     
whether the Holders of the requisite Principal Amount of Securities have given
or concurred in any request, demand, authorization, direction, notice, consent
or waiver hereunder, Securities owned by the Company or any other obligor upon
the Securities or any Affiliate of the Company or such other obligor shall be
disregarded and deemed not to be outstanding, except that, in determining
whether the Trustee shall be protected in relying upon any such request, demand,
authorization, direction, notice, consent or waiver, only Securities which the
Trustee actually knows to be so owned shall be so disregarded.  Subject to the
foregoing, only Securities outstanding at the time of such determination shall
be considered in any such determination (including, without limitation,
determinations pursuant to Articles VI and IX).

     If a Security is replaced pursuant to Section 2.07, it ceases to be
outstanding, unless the Trustee receives proof satisfactory to it that the
replaced Security is held by a bona fide purchaser.
                               ---- ----           

     If the Paying Agent holds, in accordance with this Indenture, on a
Redemption Date, or on the Business Day following a Purchase Date or a Change in
Control Purchase Date, or at Stated Maturity, money or, if permitted by the
terms hereof including, without limitation, Section 3.08, securities sufficient
to pay the Securities payable on that date, then on and after that date such
Securities shall cease to be outstanding and Original Issue Discount and
interest, if any (including, if such Securities have been converted to
semiannual coupon notes following the occurrence of a Tax Event, interest on
such notes), on such Securities shall cease to accrue 

                                      17
<PAGE>
 
and all other rights of the Holder shall terminate (other than the right to
receive the applicable Redemption Price, Purchase Price or Change in Control
Purchase Price, as the case may be, upon delivery of the Security in accordance
with the terms of this Indenture); provided that if such Securities are to be
                                   --------
redeemed, notice of such redemption has been duly given pursuant to this
Indenture or provision therefor satisfactory to the Trustee has been made.

     If a Security is converted in accordance with Article X, then from and
after the Conversion Date such Security shall cease to be outstanding and
Original Issue Discount and interest, if any (including, if such Securities have
been converted to semiannual coupon notes following the occurrence of a Tax
Event, interest on such notes), shall cease to accrue on such Security.

      SECTION 2.09.  TEMPORARY SECURITIES.  Pending the preparation of
                     --------------------                             
definitive Securities, the Company may execute, and upon Company Order the
Trustee shall authenticate and deliver, temporary Securities which are printed,
lithographed, typewritten, mimeographed or otherwise produced, in any authorized
denomination, substantially of the tenor of the definitive Securities in lieu of
which they are issued and with such appropriate insertions, omissions,
substitutions and other variations as the Officers executing such Securities may
determine, as conclusively evidenced by their execution of such Securities.

     If temporary Securities are issued, the Company will cause definitive
Securities to be prepared without unreasonable delay.  After the preparation of
definitive Securities, the temporary Securities shall be exchangeable for
definitive Securities upon surrender of the temporary Securities at the office
or agency of the Company designated for such purpose pursuant to Section 2.03 or
4.05, without charge to the Holder.  Upon surrender for cancellation of any one
or more temporary Securities the Company shall execute and the Trustee shall
authenticate and deliver in exchange therefor a like Principal Amount of
definitive Securities of authorized denominations.  Until so exchanged the
temporary Securities shall in all respects be entitled to the same benefits
under this Indenture as definitive Securities.

      SECTION 2.10.  CANCELLATION.  All Securities surrendered for payment,
                     ------------                                          
redemption or purchase by the Company pursuant to Article III, conversion
pursuant to Article X, registration of transfer or exchange shall, if
surrendered to any person other than the Trustee, be delivered to the Trustee
and shall be promptly cancelled by it.  The Company may at any time deliver to
the Trustee for cancellation any Securities previously authenticated and
delivered hereunder which the Company may have acquired in any manner
whatsoever, and all Securities so delivered shall be promptly cancelled by the
Trustee.  The Company may not issue new Securities to replace Securities it has
paid or delivered to the Trustee for cancellation or that any Holder has
converted pursuant to Article X.  No Securities shall be authenticated in 

                                      18
<PAGE>
 
lieu of or in exchange for any Securities cancelled as provided in this Section
2.10, except as expressly permitted by this Indenture. All cancelled Securities
held by the Trustee shall be disposed of by the Trustee in accordance with its
standard procedures, and evidence of and disposition shall be delivered to the
Company unless the Company directs by prior Company Order that the Trustee
deliver cancelled Securities to the Company.

      SECTION 2.11.  GLOBAL SECURITIES; TEMPORARY SECURITIES.
                     --------------------------------------- 

     (a) Transfer and Exchange of Global Securities.  A global Security
         ------------------------------------------                    
deposited with the Depositary pursuant to Section 2.01 shall be transferred to
the beneficial owners thereof only if such transfer complies with Section
2.06(b) or 2.06(c) and (i) the Depositary notifies the Company that it is
unwilling or unable to continue as depositary for such global Security or if at
any time ceases to be a "clearing agency" registered under the Exchange Act and
a successor depositary is not appointed by the Company within 90 days after such
notice, or (ii) an Event of Default has occurred and is continuing with respect
to the Securities.  In either case, the Company will promptly make available to
the Trustee a reasonable supply of Certificated Securities in definitive, fully
registered form without interest coupons in accordance with the provisions of
Section 2.09.

     Any global Security that is transferable to the beneficial owners thereof
pursuant to this Section 2.11 shall be surrendered by the Depositary to the
Trustee located in the Borough of Manhattan, The City of New York, to be so
transferred, in whole or from time to time in part, without charge, and the
Trustee shall authenticate and deliver, upon such transfer of each portion of
such global Security, an equal aggregate Principal Amount at Stated Maturity of
Securities of authorized denominations.  Any portion of a global Security
transferred pursuant to this Section 2.11 shall be executed, authenticated and
delivered only in the denominations specified in the form of Security attached
as Exhibit A-I hereto and registered in such names as the Depositary shall
direct.  Any Security delivered in exchange for an interest in the Restricted
Global Security shall bear the legend regarding transfer restrictions applicable
to the Restricted Global Security set forth on the form of Security attached as
Exhibit A-I hereto.

     Subject to the provisions of this Section 2.11(a), the Holder may grant
proxies and otherwise authorize any Person, including Agent Members and Persons
that may hold interests through Agent Members, to take any action which a Holder
is entitled to take under this Indenture or the Securities.

          (i) Restricted Global Security to Regulation S Global Security.  If,
              ----------------------------------------------------------      
at any time, an owner of a beneficial interest in a Restricted Global Security
deposited with the Depositary wishes to transfer its interest in such Restricted
Global Security to a person who is 

                                      19
<PAGE>
 
required or permitted to take delivery thereof in the form of a beneficial
interest in a Regulation S Global Security, such owner shall, subject to the
Applicable Procedures, exchange or cause the exchange of such interest for an
equivalent beneficial interest in a Regulation S Global Security as provided in
this Section 2.11(a)(i). Upon receipt by the Trustee, as Registrar, at the
Corporate Trust Office, of (1) instructions given in accordance with the
Applicable Procedures from an Agent Member directing the Trustee to credit or
cause to be credited a beneficial interest in the Regula tion S Global Security
in an amount equal to the beneficial interest in the Restricted Global Security
to be exchanged, (2) a written order given in accordance with the Applicable
Procedures containing information regarding the participant account of the
Depositary to be credited with such increase and the participant account of the
Depositary to be debited for, such beneficial interest, (3) a certificate in the
form of Exhibit B-1 hereto given by the Holder of such beneficial interest
stating that the transfer of such interest has been made in compliance with the
transfer restrictions applicable to the global Securities and pursuant to and in
accordance with Rule 903 or Rule 904 of Regulation S, then the Trustee, as
Registrar, shall instruct the Depositary to reduce or cause to be reduced the
aggregate principal amount at maturity of the applicable Restricted Global
Security and to increase or cause to be increased the aggregate principal amount
at maturity of the applicable Regulation S Global Security by the principal
amount at maturity of the beneficial interest in the Restricted Global Security
to be exchanged, to credit or cause to be credited to the account of the person
specified in such instructions (which shall be the agent member for Euroclear or
Cedel or both, as the case may be) a beneficial interest in the Regulation S
Global Security equal to the reduction in the aggregate principal amount at
maturity of the Restricted Global Security, and to debit, or cause to be
debited, from the account of the person making such exchange or transfer the
beneficial interest in the Restricted Global Security that is being exchanged or
transferred.

          (ii) Regulation S Global Security to Restricted Global Security.  If,
               ----------------------------------------------------------      
at any time, an owner of a beneficial interest in a Regulation S Global Security
deposited with the Depositary wishes to transfer its interest in such Regulation
S Global Security to a person who is required or permitted to take delivery
thereof in the form of an interest in a Restricted Global Security, such owner
shall, subject to the Applicable Procedures and only in accordance with this
Section 2.11(a)(ii), exchange or cause the exchange of such interest for an
equivalent beneficial interest in a Restricted Global Security. Upon receipt by
the Trustee, as Registrar, at the Corporate Trust Office, of (1) written
instructions from the Depositary, directing the Trustee, as Registrar, to credit
or cause to be credited a beneficial interest in the Restricted Global Security
equal to the beneficial interest in the Regulation S Global Security to be
exchanged, such instructions to contain information regarding the participant
account with the Depositary to be credited with such increase, (2) a written
order given in accordance with the Applicable Procedures containing information
regarding the participant account of the Deposi

                                      20
<PAGE>
 
- -tary to be credited with, and the account of the Depositary (or, if such
account is held for Euroclear or Cedel, the Euroclear or Cedel account, as the
case may be) to be debited with, such beneficial interest and (3) a certificate
in the form of Exhibit B-2 attached hereto given by the owner of such beneficial
interest stating (A) if the transfer is pursuant to Rule 144A, that the person
transferring such interest in a Regulation S Global Security reasonably believes
that the person acquiring such interest in a Re stricted Global Security either
is a QIB or an institutional "Accredited Investor" within the meaning of
subparagraph (A)(1), (2), (3) or (7) of Rule 401 under the Securities Act that
is acquiring the security for investment purposes and not with a view to, or for
offer or sale in connection with any distribution and that the person is
obtaining such beneficial interest in a transaction meeting the requirements of
Rule 144A and any applicable blue sky or securities laws of any state of the
United States, (B) that the transfer complies with the requirements of Rule 144
under the Securities Act and any applicable blue sky or securities laws of any
state of the United States or (C) if the transfer is pursuant to any other
exemption from the registration requirements of the Securities Act, that the
transfer of such interest has been made in compliance with the transfer
restrictions applicable to the global Securities and pursuant to and in
accordance with the requirements of the exemption claimed, such statement to be
supported by an Opinion of Counsel from the transferee or the transferor in form
reasonably acceptable to the Company and to the Registrar; provided, however,
                                                           --------  ------- 
that any Regulation S temporary Global Security may only be transferred to a
Restricted Global Security pursuant to Section 3(A) above, then the Trustee, as
Registrar, shall instruct the Depositary to reduce or cause to be reduced the
aggregate principal amount at maturity of such Regulation S Global Security and
to increase or cause to be increased the aggregate principal amount at maturity
of the applicable Restricted Global Security by the principal amount at maturity
of the beneficial interest in the Regulation S Global Security to be exchanged,
and the Trustee, as Registrar, shall instruct the Depositary, concurrently with
such reduction, to credit or cause to be credited to the account of the person
specified in such instructions a beneficial interest in the applicable
Restricted Global Security equal to the reduction in the aggregate principal
amount at maturity of such Regulation S Global Security and to debit or cause to
be debited from the account of the person making such transfer the beneficial
interest in the Regulation S Global Security that is being transferred.

     (b) Transfer and Exchange of Certificated Securities.  When Certificated
         ------------------------------------------------                    
Notes are presented by a Holder to the Registrar with a request:

               (x) to register the transfer of the Certificated Securities; or

               (y) to exchange such Certificated Securities for an equal
     principal amount of Certificated Securities of other authorized
     denominations,


                                      21
<PAGE>
 
the Registrar shall register the transfer or make the exchange as requested;
provided, however, that the Certificated Securities presented or surrendered for
- --------  -------                                                               
register of transfer or exchange:

          (i)  shall be duly endorsed or accompanied by a written instruction of
transfer in form satisfactory to the Registrar duly executed by such Holder or
by such Holder's attorney, duly authorized in writing; and

          (ii) in the case of a Certificated Security that is a Transfer
Restricted Security, such request shall be accompanied by the following
additional information and documents, as applicable:

               (A) if such Transfer Restricted Security is being delivered to
     the Registrar by a Holder for registration in the name of such Holder,
     without transfer, or such Transfer Restricted Security is being transferred
     to the Company, a certification to that effect from such Holder (in
     substantially the form of Exhibit B-3 hereto);

               (B) if such Transfer Restricted Security is being transferred to
     either a QIB or an institutional "Accredited Investor" within the meaning
     of subparagraph (A)(1), (2), (3) or (7) of Rule 401 under the Securities
     Act that is acquiring the security for investment purposes and not with a
     view to, or for offer or sale in connection with any distribution in
     accordance with Rule 144A under the Securities Act or pursuant to an
     exemption from registration in accordance with Rule 144 under the
     Securities Act or pursuant to an effective registration statement under the
     Securities Act, a certification to that effect from such Holder (in
     substantially the form of Exhibit B-3 hereto); or

               (C) if such Transfer Restricted Security is being transferred in
     reliance on any other exemption from the registration requirements of the
     Securities Act (including Rule 904 thereunder), a certification to that
     effect from such Holder (in substantially the form of Exhibit B-3 hereto)
     and an Opinion of Counsel from such Holder or the transferee reasonably
     acceptable to the Company and to the Registrar to the effect that such
     transfer is in compliance with the Securities Act.

     (c) Transfer of a Beneficial Interest in a Restricted Global Security or
         --------------------------------------------------------------------
Regulation S Permanent Global Security for a Certificated Security.
- ------------------------------------------------------------------ 

          (i)  Any person having a beneficial interest in a Restricted Global
Security or Regulation S Permanent Global Security may upon request, subject to
the Applicable Procedures, exchange such beneficial interest for a Certificated
Security.  Upon receipt by the Trustee of written instructions or such other
form of instructions as is customary for the 


                                      22
<PAGE>
 
Depositary, from the Depositary on behalf of any person having a beneficial
interest in a Restricted Global Security or Regulation S Permanent Global
Security, the following additional information and documents (all of which may
be submitted by facsimile):

               (A) if such beneficial interest is being transferred to the
     person designated by the Depositary as being the beneficial owner, a
     certification to that effect from such person (in substantially the form of
     Exhibit B-4 hereto);

               (B) if such beneficial interest is being transferred to either a
     QIB or an institutional "Accredited Investor" within the meaning of
     subparagraph (A)(1), (2), (3) or (7) of Rule 401 under the Securities Act
     that is acquiring the security for investment purposes and not with a view
     to, or for offer or sale in connection with any distribution in accordance
     with Rule 144A under the Securities Act or pursuant to an exemption from
     registration in accordance with Rule 144 under the Securities Act or
     pursuant to an effective registration statement under the Securities Act, a
     certification to that effect from the transferor (in substantially the form
     of Exhibit B-4 hereto); or

               (C) if such beneficial interest is being transferred in reliance
     on any other exemption from the registration requirements of the Securities
     Act (including Rule 904 thereunder), a certification to that effect from
     the transferor (in substantially the form of Exhibit B-4 hereto) and an
     Opinion of Counsel from the transferee or the transferor reasonably
     acceptable to the Company and to the Trustee, as Registrar, to the effect
     that such transfer is in compliance with the Securities Act,

in which case the Trustee shall cause the aggregate principal amount of
Restricted Global Securities or Regulation S Permanent Global Securities, as
applicable, to be reduced accordingly and, following such reduction, the Company
shall execute and the Trustee shall authenticate and deliver to the transferee a
Certificated Note in the appropriate principal amount.

          (ii) Certificated Securities issued in exchange for a beneficial
interest in a Restricted Global Security or Regulation S Permanent Global
Security, as applicable, pursuant to this Section 2.11(c) shall be registered in
such names and in such authorized denominations as the Depositary, pursuant to
instructions from its direct or indirect participants or otherwise, shall
instruct the Trustee.  The Trustee shall deliver such Certificated Securities to
the persons in whose names such Securities are so registered. Following any such
issuance of Certificated Securities, the Trustee, as Registrar, shall instruct
the Depositary to reduce or cause to be reduced the aggregate principal amount
at maturity of the applicable global Security to reflect the transfer.


                                      23
<PAGE>
 
     (d) Transfer and Exchange of a Certificated Security for a Beneficial
         -----------------------------------------------------------------
Interest in a Global Security.  Holders of Certificated Securities may offer,
- -----------------------------                                                
resell or otherwise transfer such Securities only pursuant to an effective
registration statement under the Securities Act, inside the United States to a
QIB in a transaction meeting the requirements of Rule 144A, in a transaction
meeting the requirements of Rule 144 under the Securities Act, outside the
United States in a transaction meeting the requirements of Rule 904 under the
Securities Act or to the Company, in each case in compliance with any applicable
securities laws of any state of the United States or any other applicable
jurisdiction.

     When Certificated Securities are presented by a Holder to the Registrar
with a request (x) to register the transfer of the Certificated Securities or
(y) to exchange such Certificated Securi  ties for an equal principal amount of
Certificated Securities of other authorized denominations, the Registrar shall
register the transfer or make the exchange as requested if its requirements for
such transactions are met; provided, however, that the Certificated Securities
presented or surrendered for register of transfer or exchange:

          (i)  shall be duly endorsed or accompanied by a written instruction of
transfer in form satisfactory to the Registrar duly executed by such Holder or
by his or her attorney, duly authorized in writing, which instructions, if
applicable, shall direct the Trustee (A) to cancel any Certificated Security
being exchanged for another Certificated Security or a beneficial interest in a
global Security in accordance with Section 2.10, and (B) to make, or to direct
the Registrar to make, an endorsement on the appropriate global Security to
reflect an increase in the aggregate principal amount of the Securities
represented by such global Security; and

          (ii) such request shall be accompanied by the following additional
information and documents, as applicable:

               (A) if such Certificated Security is being delivered to the
     Registrar by a Holder for registration in the name of such Holder, without
     transfer, a certification to that effect from such Holder (in substantially
     the form of Exhibit B-5 hereto); or

               (B) if such Certificated Security is being transferred to either
     a QIB or an institutional "Accredited Investor" within the meaning of
     subparagraph (A)(1), (2), (3) or (7) of Rule 401 under the Securities Act
     that is acquiring the security for investment purposes and not with a view
     to, or for offer or sale in connection with any distribution in accordance
     with Rule 144A, pursuant to Rule 144 under the Securities Act or pursuant
     to an exemption from registration in accordance with Rule 904 under the
     Securities
                                      24
<PAGE>
 
     Act or pursuant to an effective registration statement under the Securities
     Act, a certification to that effect from such Holder (in substantially the
     form of Exhibit B-5 hereto).

     (e) Authentication of Certificated Securities in Absence of Depositary.  If
         ------------------------------------------------------------------     
at any time:

          (i)  the Depositary notifies the Company that the Depositary is
unwilling or unable to continue as the depositary for the global Securities and
a successor Depositary for the Global Securities is not appointed by the Company
within 90 days after delivery of such notice; or

          (ii) the Company delivers to the Trustee an Officer's Certificate or
an order signed by two Officers of the Company notifying the Trustee that the
Company elects to cause the issuance of Certificated Securities under this
Indenture, then the Company shall execute, and the Trustee shall, upon receipt
of a Company Order in accordance with Section 2.02 hereof, authenticate and
deliver, Certificated Securities in an aggregate principal amount equal to the
principal amount of the global Securities in exchange for such global
Securities.

     (f)    Legends.
            ------- 

          (i)  Except as permitted by the following paragraphs (ii), (iii) and
(iv), each global Security and Certificated Security (and all Securities issued
in exchange therefor or substitution thereof) shall bear a legend in
substantially the following form (each a "Transfer Restricted Security"):
                                          ----------------------------   

     THIS SECURITY AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF
     THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
     AMENDED (THE "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS.  NEITHER THIS
     SECURITY, THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF THIS
     SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN OR THEREIN MAY BE
     REOFFERED, SOLD, ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE
     DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION
     IS EXEMPT FROM, OR NOT SUBJECT TO, REGISTRATION.


                                      25
<PAGE>
 
     THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF, AGREES TO OFFER,
     SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE "RESALE
     RESTRICTION TERMINATION DATE"), WHICH IS TWO YEARS AFTER THE LATER OF THE
     ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY
     AFFILIATE OF THE COMPANY WAS THE OWNER OF ANY SECURITY (OR ANY PREDECESSOR
     OR SUCCESSOR OF SUCH SECURITY) ONLY (A) TO THE COMPANY OR ANY SUBSIDIARY
     THEREOF, (B) FOR SO LONG AS THE SECURITIES ARE ELIGIBLE FOR RESALE PURSUANT
     TO RULE 144A, TO A PERSON IT REASONABLY BELIEVES IS A "QUALIFIED
     INSTITUTIONAL BUYER" AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT THAT
     PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED
     INSTITUTIONAL BUYER TO WHICH NOTICE IS GIVEN THAT THE TRANSFER IS BEING
     MADE IN RELIANCE ON RULE 144A, (C)TO AN INSTITUTIONAL "ACCREDITED INVESTOR"
     WITHIN THE MEANING OF SUBPARAGRAPH (A)(1), (2), (3) OR (7) OF RULE 501
     UNDER THE SECURITIES ACT THAT IS ACQUIRING THE SECURITY FOR ITS OWN
     ACCOUNT, OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL "ACCREDITED INVESTOR,"
     FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TO, OR FOR OFFER OR SALE IN
     CONNECTION WITH, ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, (D)
     PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE
     UNDER THE SECURITIES ACT, (E) IN AN OFFSHORE TRANSACTION IN ACCORDANCE WITH
     RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, OR (F) PURSUANT TO
     ANOTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE
     SECURITIES ACT, SUBJECT TO THE COMPANY'S RIGHT PRIOR TO ANY SUCH OFFER,
     SALE OR TRANSFER PURSUANT TO CLAUSE (C), (E) OR (F) TO REQUIRE THE DELIVERY
     OF AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER INFORMATION
     SATISFACTORY TO THE COMPANY, AND IN EACH OF THE FOREGOING CASES, A
     CERTIFICATE OF TRANSFER IN THE FORM APPEARING ON THE OTHER SIDE OF THIS
     SECURITY IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE TRUSTEE. THIS
     LEGEND WILL BE REMOVED UPON THE REQUEST OF THE HOLDER AFTER THE RESALE
     RESTRICTION TERMINATION DATE.

          (ii) Upon any sale or transfer of a Transfer Restricted Security
(including any Transfer Restricted Security represented by a global Security)
pursuant to Rule 144 under the Securities Act or pursuant to an effective
registration statement under the Securities Act:


                                      26
<PAGE>
 
               (A) in the case of any Transfer Restricted Security that is a
     Certificated Security, the Registrar shall permit the Holder thereof to
     exchange such Transfer Restricted Security for a Certificated Security that
     does not bear the legend set forth in (i) above and rescind any restriction
     on the transfer of such Transfer Restricted Security upon receipt of a
     certification from the transferring Holder substantially in the form of
     Exhibit B-4 hereto; and

               (B) in the case of any Transfer Restricted Security represented
     by a global Security, such Transfer Restricted Security shall not be
     required to bear the legend set forth in paragraph (i) above, but shall
     continue to be subject to the provisions of Sections 2.11(a) and (b) of;
     provided, however, that with respect to any request for an exchange of a
     --------  -------                                                       
     Transfer Restricted Security that is represented by a global Security for a
     Certificated Security that does not bear the legend set forth in paragraph
     (i) above, which request is made in reliance upon Rule 144, the Holder
     thereof shall certify in writing to the Registrar that such request is
     being made pursuant to Rule 144 (such certification to be substantially in
     the form of Exhibit B-4 hereto).

          (iii) Upon any sale or transfer of a Transfer Restricted Security
(including any Transfer Restricted Security represented by a global Security) in
reliance on any exemption from the registration requirements of the Securities
Act (other than exemptions pursuant to Rule 144A or Rule 144 under the
Securities Act) in which the Holder or the transferee provides an Opinion of
Counsel to the Company and the Registrar in form and substance reasonably
acceptable to the Company and the Registrar (which Opinion of Counsel shall also
state that the transfer restrictions contained in the legend are no longer
applicable):

               (A) in the case of any Transfer Restricted Security that is a
     Certificated Security, the Registrar shall permit the Holder thereof to
     exchange such Transfer Restricted Security for a Certificated Security that
     does not bear the legend set forth in paragraph (i) above and rescind any
     restriction on the transfer of such Transfer Restricted Security; and

               (B) in the case of any Transfer Restricted Security represented
     by a global Security, such Transfer Restricted Security shall not be
     required to bear the legend set forth in (i) above, but shall continue to
     be subject to the provisions of Sections 2.11(a) and (b).

      SECTION 2.12.  CUSIP NUMBERS.  The Company in issuing the Securities may
                     -------------                                            
use "CUSIP" numbers (if then generally in use), and, if so, the Trustee shall
use "CUSIP" numbers in notices of redemption as a convenience to Holders;
provided that any such notice 
- --------                                                                        

                                      27
<PAGE>
 
may state that no representation is made as to the correctness of such numbers
either as printed on the Securities or as contained in any notice of a
redemption and that reliance may be placed only on the other identification
numbers printed on the Securities, and any such redemption shall not be affected
by any defect in or omission of such numbers. The Company will promptly notify
the Trustee of any change in the CUSIP numbers.


                                  ARTICLE III

                            REDEMPTION AND PURCHASES


      SECTION 3.01.  RIGHT TO REDEEM; NOTICES TO TRUSTEE.  The Company, at its
                     -----------------------------------                      
option, may redeem the Securities for cash in accordance with the provisions set
forth in paragraphs 5 and 7 of the Securities.  If the Company elects to redeem
Securities pursuant to paragraph 5 of the Securities, it shall notify the
Trustee in writing of the Redemption Date, the Principal Amount of Securities to
be redeemed and the Redemption Price.

     The Company shall give the notice to the Trustee provided for in this
Section 3.01 at least 15 days but not more than 60 days before the Redemption
Date (unless a shorter notice shall be satisfactory to the Trustee).  If fewer
than all the Securities are to be redeemed, the record date relating to such
redemption shall be selected by the Company and given to the Trustee.

      SECTION 3.02.  SELECTION OF SECURITIES TO BE REDEEMED.  If less than all
                     --------------------------------------                   
the Securities are to be redeemed, the Trustee shall select the Securities to be
redeemed by lot, pro rata or by any other method the Trustee considers fair and
                 --------
appropriate.  The Trustee shall make the selection at least 15 but not more than
60 days before the Redemption Date from outstanding Securities not previously
called for redemption.  Securities and portions of them the Trustee selects
shall be in Principal Amounts of $1,000 or an integral multiple of $1,000.
Provisions of this Indenture that apply to Securities called for redemption also
apply to portions of Securities called for redemption.  The Trustee shall notify
the Company promptly of the Securities or portions of Securities to be redeemed.

     If any Security selected for partial redemption is thereafter surrendered
for conversion in part before termination of the conversion right with respect
to the portion of the Security so selected, the converted portion of such
Security shall be deemed (so far as may be), solely for purposes of determining
the aggregate Principal Amount of Securities to be redeemed by the Company, to
be the portion selected for redemption.  Securities that have been converted


                                      28
<PAGE>
 
during a selection of Securities to be redeemed may be treated by the Trustee as
outstanding for the purpose of such selection.  Nothing in this Section 3.02
shall affect the right of any Holder to convert any Security pursuant to Article
X before the termination of the conversion right with respect thereto.

      SECTION 3.03.  NOTICE OF REDEMPTION.  At least 15 days but not more than
                     --------------------                                     
60 days before a Redemption Date, the Trustee, in the name and at the expense of
the Company, shall cause notice of redemption to be mailed, first-class postage
prepaid, to each Holder of Securities to be redeemed at such Holder's address as
it appears on the list of Securityholders maintained pursuant to Section 2.05.
At the Company's written request, the Trustee shall, in the name and at the
expense of the Company, cause a similar notice to be published at least once in
a newspaper of national circulation designated by the Company.

     The notice shall identify the Securities to be redeemed and shall state:

          (a) the Redemption Date (upon which the Redemption Price shall be
     paid);

          (b)  the Redemption Price;

          (c)  the Conversion Rate;

          (d) the name and address of the Paying Agent and Conversion Agent and
     of the office or agency referred to in Section 4.05;

          (e) that Securities called for redemption may be converted at any time
     before the close of business on the date that is seven days immediately
     prior to the Redemption Date;

          (f) that Holders who want to convert Securities must satisfy the
     requirements set forth in paragraph 8 of the Securities;

          (g) that Securities called for redemption must be surrendered to the
     Paying Agent or at the office or agency referred to in Section 4.05 to
     collect the Redemption Price;

          (h) the CUSIP number of the Securities called for redemption;

          (i) the Company has the right to pay the Redemption Price in Common
     Stock or cash and the procedure for notifying the Holders of such election;


                                      29
<PAGE>
 
          (j) if fewer than all the outstanding Securities are to be redeemed,
     the certificate numbers and Principal Amounts of the particular Securities
     to be redeemed; and

          (k) that, unless the Company defaults in payment of the Redemption
     Price, Original Issue Discount on Securities called for redemption and
     interest, if any, will cease to accrue on and after the Redemption Date.

     At the Company's written request, the Trustee shall give the notice of
redemption in the Company's name and at the Company's expense.

      SECTION 3.04.  EFFECT OF NOTICE OF REDEMPTION.  Once notice of redemption
                     ------------------------------                            
is given, Securities called for redemption become due and payable on the
Redemption Date stated in the notice and at the Redemption Price therefor except
for Securities that are converted in accordance with the terms of this
Indenture.  Upon the later of the Redemption Date and the date such Securities
are surrendered to the Paying Agent or at the office or agency referred to in
Section 4.05, such Securities called for redemption shall be paid at the
Redemption Price therefor.

      SECTION 3.05.  DEPOSIT OF REDEMPTION PRICE.  Prior to or on the Redemption
                     ---------------------------                                
Date, the Company shall deposit with the Paying Agent (or if the Company or a
Subsidiary or an Affiliate of either of them is the Paying Agent, shall
segregate and hold in trust) money sufficient to pay the Redemption Price of all
Securities to be redeemed on that date other than Securities or portions of
Securities called for redemption which prior thereto have been delivered by the
Company to the Trustee for cancellation.  The Paying Agent shall as promptly as
practicable return to the Company any money, with interest, if any, thereon
(subject to the provisions of Section 7.01(f)), not required for that purpose
because of conversion of Securities pursuant to Article X.  If such money is
then held by the Company or a Subsidiary or an Affiliate of the Company in trust
and is not required for such purpose it shall be discharged from such trust.

      SECTION 3.06.  SECURITIES REDEEMED IN PART.  Upon surrender of a Security
                     ---------------------------                               
that is redeemed in part, the Company shall execute, and the Trustee shall
authenticate and deliver to the Holder, a new Security in an authorized
denomination equal in Principal Amount to the unredeemed portion of the Security
surrendered.

      SECTION 3.07.  CONVERSION ARRANGEMENT ON CALL FOR REDEMPTION. In
                     ---------------------------------------------    
connection with any redemption of Securities, the Company may arrange, in lieu
of redemption, for the purchase and conversion of any Securities called for
redemption by an agreement with one or 

                                      30
<PAGE>
 
more investment bankers or other purchasers to purchase all or a portion of such
Securities by paying to the Trustee in trust for the Securityholders whose
Securities are to be so purchased, on or before the close of business on the
Redemption Date, an amount that, together with any amounts deposited with the
Trustee by the Company for redemption of such Securities, is not less than the
Redemption Price, together with interest, if any, accrued to the Redemption
Date, of such Securities. Notwithstanding anything to the contrary contained in
this Article III, the obligation of the Company to pay the Redemption Price of
such Securities, including all accrued interest, if any, shall be deemed to be
satisfied and discharged to the extent such amount is so paid by such
purchasers, but no such agreement shall relieve the Company of its obligation to
pay such Redemption Price and such accrued interest, if any. If such an
agreement is entered into, any Securities not duly surrendered for conversion by
the Holders thereof may, at the option of the Company, be deemed, to the fullest
extent permitted by law, acquired by such purchasers from such Holders and
(notwithstanding anything to the contrary contained in Article X) surrendered by
such purchasers for conversion, all as of immediately prior to the close of
business on the Redemption Date, subject to payment of the above amount as
aforesaid. The Trustee shall hold and pay to the Holders whose Securities are
selected for redemption any such amount paid to it for purchase and conversion
in the same manner as it would moneys deposited with it by the Company for the
redemption of Securities. Without the Trustee's prior written consent, no
arrangement between the Company and such purchasers for the purchase and
conversion of any Securities shall increase or otherwise affect any of the
powers, duties, responsibilities or obligations of the Trustee as set forth in
this Indenture, and the Company agrees to indemnify the Trustee from, and hold
it harmless against, any loss, liability or expense arising out of or in
connection with any such arrangement for the purchase and conversion of any
Securities between the Company and such purchasers, including the costs and
expenses incurred by the Trustee in the defense of any claim or liability
arising out of or in connection with the exercise or performance of any of its
powers, duties, responsibilities or obligations under this Indenture.

      SECTION 3.08.  PURCHASE OF SECURITIES AT THE OPTION OF THE HOLDER.
                     -------------------------------------------------- 

          (a) General.  Securities shall be purchased by the Company pursuant to
              -------                                                           
paragraph 6 of the Securities on October 14, 2000 (the "Purchase Date"), at the
                                                        -------------          
purchase price specified therein (the "Purchase Price"), at the option of the
                                       --------------                        
Holder thereof, upon:

               (1) delivery to the Paying Agent or to the office or agency
     referred to in Section 4.05 by the Holder of a written notice of purchase
     (a "Purchase Notice") at any time from the opening of business on the date
         ---------------                                                       
     that is 20 Business Days prior to a Purchase Date until the close of
     business on such Purchase Date stating:


                                      31
<PAGE>
 
                    (A) the certificate number of the Security that the Holder
          will deliver to be purchased;

                    (B) the portion of the Principal Amount of the Security
          which the Holder will deliver to be purchased, which portion must be
          $1,000 or an integral multiple thereof;

                    (C) that such Security shall be purchased on the Purchase
          Date pursuant to the terms and conditions specified in this Indenture
          and in paragraph 6 of the Securities; and

                    (D) if the Company elects pursuant to Section 3.08(b) to pay
          the Purchase Price on such Purchase Date, in whole or in part, in
          shares of Common Stock, but such portion of the Purchase Price to be
          paid in Common Stock is ultimately to be paid in cash because any
          condition in Section 3.08(d) is not satisfied, such Holder elects (i)
          to withdraw such Purchase Notice as to some or all of the Securities
          to which it relates (stating the Principal Amount and certificate
          numbers of the Securities as to which such withdrawal shall relate),
          or (ii) to receive cash in respect of the Purchase Price for all
          Securities subject to such Purchase Notice; and

               (2) delivery of such Security prior to, on or after the Purchase
     Date (together with all necessary endorsements) to the Paying Agent at the
     offices of the Paying Agent or to the office or agency referred to in
     Section 4.05, such delivery being a condition to receipt by the Holder of
     the Purchase Price therefor; provided, however, that such Purchase Price
                                  --------  -------                          
     shall be so paid pursuant to this Section 3.08 only if the Security so
     delivered conforms in all respects to the description thereof in the
     related Purchase Notice.

     If a Holder, in such Holder's Purchase Notice and in any written notice of
withdrawal delivered by such Holder pursuant to the terms of Section 3.10, fails
to indicate such Holder's choice with respect to the election set forth in
clause (D) of Section 3.08(a)(1) above, such Holder shall be deemed to have
elected to receive cash in respect of the Purchase Price otherwise payable in
Common Stock.

     The Company shall purchase from the Holder thereof, pursuant to this
Section 3.08, a portion of a Security if the Principal Amount of such portion is
$1,000 or an integral multiple of $1,000.  Provisions of this Indenture that
apply to the purchase of all of a Security also apply to the purchase of such
portion of such Security.


                                      32
<PAGE>
 
     Any purchase by the Company contemplated pursuant to the provisions hereof
shall be consummated by the delivery of the consideration to be received by the
Holder promptly following the later of the Purchase Date and the time of
delivery of the Security.

     Notwithstanding anything herein to the contrary, any Holder delivering to
the Paying Agent or the office or agency referred to in Section 4.05 the
Purchase Notice contemplated by this Section 3.08(a) shall have the right to
withdraw at any time prior to the close of business on the Purchase Date such
Purchase Notice by delivery of a written notice of withdrawal to the Paying
Agent or such office or agency in accordance with Section 3.10.

     The Paying Agent shall promptly notify the Company of the receipt by it of
any Purchase Notice or written notice of withdrawal thereof.

          (b) Company's Right to Elect Manner of Payment of Purchase Price.  The
              ------------------------------------------------------------      
Securities to be purchased pursuant to Section 3.08(a) may be paid for, at the
election of the Company, in cash or Common Stock, or in any combination of cash
and Common Stock, subject to the conditions set forth in this Section 3.08.  The
Company shall designate, in the notice from the Company delivered pursuant to
Section 3.08(e), whether the Company will purchase the Securities for cash or
Common Stock, and, if a combination thereof, the percentages of the Purchase
Price of Securities in respect of which it will pay in cash or Common Stock;
provided that the Company will pay cash for fractional shares of Common Stock.
- --------                                                                       
For purposes of determining the existence of potential fractional interests, all
Securities subject to purchase by the Company held by a Holder shall be
considered together (no matter how many separate certificates are to be
presented).  Each Holder whose Securities are purchased pursuant to this Section
3.08 shall receive the same percentage of cash or Common Stock in payment of the
Purchase Price for such Securities, except (i) as provided in Section 3.08(d)
with regard to the payment of cash in lieu of fractional shares of Common Stock
and (ii) in the event that the Company is unable to purchase the Securities of a
Holder or Holders for Common Stock because any necessary qualifications or
registrations of the Common Stock under applicable state securities laws cannot
be obtained, the Company may purchase the Securities of such Holder or Holders
for cash.  The Company may not change its election with respect to the
consideration (or components or percentages of components thereof) to be paid
once the Company has given notice thereof to Securityholders except pursuant to
this Section 3.08(b) or Section 3.08(d).

     At least five Business Days before the Company Notice Date (as defined
below), the Company shall deliver an Officer's Certificate to the Trustee
specifying:

          (i)    the manner of payment selected by the Company;

                                      33
<PAGE>
 
          (ii)   the information required by Section 3.08(e);

          (iii)  that the conditions to such manner of payment set forth in
     Section 3.08(d) have or will be complied with; and

          (iv)   whether the Company desires the Trustee to give the notice
     required by Section 3.08(e).

          (c) Purchase with Cash.  On the Purchase Date, at the option of the
              ------------------                                             
Company, the Principal Amount of the Securities in respect of which a Purchase
Notice pursuant to Section 3.08(a) has been given, or a specified percentage
thereof, may be purchased by the Company with cash equal to the aggregate
Purchase Price of such Securities.

          (d) Payment by Common Stock.  On each Purchase Date, at the option of
              -----------------------                                          
the Company, the Principal Amount of the Securities in respect of which a
Purchase Notice pursuant to Section 3.08(a) has been given, or a specified
percentage thereof, may be purchased by the Company by the issuance of a number
of shares of Common Stock equal to the quotient obtained by dividing (i) the
amount of cash to which the Securityholders would have been entitled had the
Company elected to pay all or such specified percentage, as the case may be, of
the Purchase Price of such Securities in cash by (ii) the Market Price of a
share of Common Stock, subject to the next succeeding paragraph.

     The Company will not issue a fractional share of Common Stock in payment of
the Purchase Price.  Instead the Company will pay cash for the current market
value of the fractional share.  The current market value of a fraction of a
share shall be determined by multiplying the Market Price by such fraction and
rounding the product to the nearest whole cent, with one-half cent being rounded
upward.  It is understood that if a Holder elects to have more than one Security
purchased, the number of shares of Common Stock shall be based on the aggregate
amount of Securities to be purchased.  Upon a Payment by Common Stock pursuant
to the terms hereof, that portion of accrued Original Issue Discount
attributable to the period from the Issue Date to the Conversion Date with
respect to the purchased Security shall not be cancelled, extinguished or
forfeited but rather shall be deemed paid in full to the Holder through the
delivery of the Common Stock in exchange for the Security being converted
pursuant to the terms hereof, and the fair market value of such Common Stock
(together with any cash payments in lieu of fractional shares of Common Stock)
shall be treated as issued, to the extent thereof, first in exchange for the
Original Issue Discount accrued through the Purchase Date, and the balance, if
any, of the fair market value of such shares of Common Stock shall be treated as
issued in exchange for the Issue Price of the Security being converted pursuant
to the provisions hereof.


                                      34
<PAGE>
 
     The Company's right to exercise its election to purchase the Securities
pursuant to this Section 3.08 through the issuance of shares of Common Stock
shall be conditioned upon:

          (i)    the Company's not having given notice of an election to pay
     entirely in cash and its giving of timely notice of election to purchase
     all or a specified percentage of the Securities with Common Stock as
     provided herein;

          (ii)   the registration of the shares of Common Stock to be issued in
     respect of the payment of the Purchase Price under the Securities Act of
     1933, as amended (the "Securities Act") and the Securities Exchange Act of
                            --------------                                     
     1934, as amended (the "Exchange Act"), in each case if required for the
                            ------------                                    
     initial issuance thereof;

          (iii)  any necessary qualification or registration under applicable
     state securities laws or the availability of an exemption from such
     qualification and registration; and

          (iv)   the receipt by the Trustee of an Officer's Certificate and an
     Opinion of Counsel each stating that (A) the terms of the issuance of the
     Common Stock are in conformity with this Indenture and (B) the shares of
     Common Stock to be issued by the Company in payment of the Purchase Price
     in respect of Securities have been duly authorized and, when issued and
     delivered pursuant to the terms of this Indenture in payment of the
     Purchase Price in respect of the Securities, will be validly issued, fully
     paid and nonassessable and shall be free of any preemptive rights and any
     lien or adverse claim (provided that such Opinion of Counsel may state
                            --------                                       
     that, insofar as it relates to the absence of such preemptive rights, liens
     and adverse claims, it is given upon the best knowledge of such counsel),
     and, in the case of such Officer's Certificate, that conditions (i), (ii)
     and (iii) above have been satisfied and, in the case of such Opinion of
     Counsel, that conditions (ii) and (iii) above have been satisfied.

     Such Officer's Certificate shall also set forth the number of shares of
Common Stock to be issued for each $1,000 Principal Amount of Securities and the
Sale Price of a share of Common Stock on each of the seven Business Days prior
to the Purchase Date.  The Company may elect to pay in Common Stock only if the
information necessary to calculate the Market Price is reported in The Wall
                                                                   --------
Street Journal or another daily newspaper of national circulation.  If such
- --------------                                                             
conditions are not satisfied prior to or on the Purchase Date and the Company
elected to purchase the Securities pursuant to this Section 3.08 through the
issuance of shares of Common Stock, the Company shall pay, without further
notice, the Purchase Price in cash.


                                      35
<PAGE>
 
          (e) Notice of Election.  The Company shall send notices of its
              ------------------                                        
election (the "Company Notice") to purchase with cash or Common Stock or any
               --------------                                               
combination thereof to the Holders (and to beneficial owners as required by
applicable law) in the manner provided in Section 3.03.  The Company Notice
shall be sent to Holders (and to beneficial owners as required by applicable
law) on a date not less than 20 Business Days prior to the Purchase Date (such
date not less than 20 Business Days prior to the Purchase Date being herein
referred to as the "Company Notice Date").  Such notices shall state the manner
                    -------------------                                        
of payment elected and shall contain the following information:

     In the event the Company has elected to pay the Purchase Price (or any
specified percentage thereof) with Common Stock, the notice shall:

          (1) state that each Holder will receive Common Stock with a Market
     Price determined as of a specified date prior to the Purchase Date equal to
     such specified percentage of the Purchase Price of the Securities held by
     such Holder (except for any cash amount to be paid in lieu of fractional
     shares);

          (2) set forth the method of calculating the Market Price; and

          (3) state that because the Market Price will be determined prior to
     the Purchase Date, Holders will bear the market risk with respect to the
     value of the Common Stock to be received from the date such Market Price is
     determined to the Purchase Date.

     In any case, each notice shall include a form of Purchase Notice to be
completed by the Holder and shall state:

          (i)    the Purchase Price and Conversion Rate;

          (ii)   the name and address of the Paying Agent and the Conversion
     Agent and of the office or agency referred to in Section 4.05;

          (iii)  that Securities as to which a Purchase Notice has been given
     may be converted into Common Stock at any time prior to the close of
     business on the applicable Purchase Date only if the applicable Purchase
     Notice has been withdrawn in accordance with the terms of this Indenture;

          (iv)   that Securities must be surrendered to the Paying Agent or to
     the office or agency referred to in Section 4.05 to collect payment;


                                      36
<PAGE>
 
          (v)    that the Purchase Price for any security as to which a Purchase
     Notice has been given and not withdrawn will be paid promptly following the
     later of the Purchase Date and the time of surrender of such Security as
     described in clause (iv) above;

          (vi)   the procedures the Holder must follow to exercise rights under
     Section 3.08 and a brief description of those rights;

          (vii)  briefly, the conversion rights of the Securities and that
     Holders who want to convert Securities must satisfy the requirements set
     forth in paragraph 8 of the Securities; and

          (viii) the procedures for withdrawing a Purchase Notice (including,
     without limitation, for a conditional withdrawal pursuant to the terms of
     Section 3.08(a)(1)(D) or Section 3.10).

     At the Company's written request, the Trustee shall give such notice in the
Company's name and at the Company's expense; provided, however, that in all
                                             --------  -------             
cases the text of such notice shall be prepared by the Company.

     Upon determination of the actual number of shares of Common Stock to be
issued for each $1,000 Principal Amount of Securities, the Company will post
such information at the Company's site on the World Wide Web.

          (f) Covenants of the Company.  All shares of Common Stock delivered
              ------------------------                                       
upon purchase of the Securities shall be newly issued shares or treasury shares,
shall be duly authorized, validly issued, fully paid and nonassessable and shall
be free from preemptive rights and free of any lien or adverse claim.

     The Company shall use reasonable efforts to list or cause to have quoted
any shares of Common Stock to be issued to purchase Securities on the principal
national securities exchange or over-the-counter or other domestic market on
which any other shares of the Common Stock are then listed or quoted.  The
Company will promptly inform the Trustee in writing of any such listing.

          (g) Procedure Upon Purchase.  The Company shall deposit cash (in
              -----------------------                                     
respect of a cash purchase under Section 3.08(c) or for fractional interests, as
applicable) or shares of Common Stock, or any combination thereof, as
applicable, at the time and in the manner as provided in Section 3.11,
sufficient to pay the aggregate Purchase Price of all Securities to be 


                                      37
<PAGE>
 
purchased pursuant to this Section 3.08. As soon as practicable after the later
of the Purchase Date and the date such Securities are surrendered to the Paying
Agent or at the office or agency referred to in Section 4.05, the Company shall
deliver to each Holder entitled to receive Common Stock through the Paying Agent
a certificate for the number of full shares of Common Stock issuable in payment
of the Purchase Price and cash in lieu of any fractional interests. The person
in whose name the certificate for Common Stock is registered shall be treated as
a holder of record of such Common Stock on the Business Day following the
related Purchase Date. Subject to Section 3.08(d), no payment or adjustment will
be made for dividends on the Common Stock the record date for which occurred
prior to the Purchase Date.

          (h) Taxes.  If a Holder of a Security is paid in Common Stock, the
              -----                                                         
Company shall pay any documentary, stamp or similar issue or transfer tax due on
such issue of shares of Common Stock.  However, the Holder shall pay any such
tax which is due because the Holder requests the shares of Common Stock to be
issued in a name other than the Holder's name.  The Paying Agent may refuse to
deliver the certificates representing the Common Stock being issued in a name
other than the Holder's name until the Paying Agent receives a sum sufficient to
pay any tax which will be due, as set forth in an Officer's Certificate, because
the shares of Common Stock are to be issued in a name other than the Holder's
name.  Nothing herein shall preclude any income tax withholding required by law
or regulations.

      SECTION 3.09.  PURCHASE OF SECURITIES AT OPTION OF THE HOLDER UPON CHANGE
                     ----------------------------------------------------------
IN CONTROL.  (a) If on or prior to October 14, 2000 there shall have occurred a
- ----------                                                                     
Change in Control, Securities shall be purchased, at the option of the Holder
thereof, by the Company at the purchase price specified in paragraph 6 of the
Securities (the "Change in Control Purchase Price"), on the date that is 35
                 --------------------------------                          
Business Days after the occurrence of the Change in Control (the "Change in
                                                                  ---------
Control Purchase Date"), subject to satisfaction by or on behalf of the Holder
- ---------------------                                                         
of the requirements set forth in Section 3.09(c).

     A "Change in Control" shall be deemed to have occurred at such time after
        -----------------                                                     
the original issuance of the Securities as either of the following events shall
occur:

          (i)    There shall be consummated any consolidation or merger of the
     Company pursuant to which the Common Stock would be converted into cash,
     securities or other property, in each case, other than a consolidation or
     merger of the Company in which the holders of Common Stock immediately
     prior to the consolidation or merger have, directly or indirectly, at least
     a majority of the total voting power in the aggregate of all classes of
     Capital Stock of the continuing or surviving corporation immediately after
     such consolidation or merger; or


                                      38
<PAGE>
 
          (ii)   There is a report filed by any person, including its Affiliates
     and Associates (other than the Company, any Subsidiary of the Company, or
     any employee benefit plan of either the Company or any Subsidiary of the
     Company), on Schedule 13D or 14D-1 (or any successor schedule, form or
     report) pursuant to the Exchange Act, disclosing that such person (for the
     purposes of this Section 3.09 only, the term "person" shall include a
     "person" within the meaning of Section 13(d)(3) or Section 14(d)(2) of the
     Exchange Act or any successor provision to either of the foregoing) has
     become the beneficial owner (as the term "beneficial owner" is defined
                                               ----------------            
     under Rule 13d-3 or any successor rule or regulation promulgated under the
     Exchange Act) of 50% or more of the total voting power in the aggregate of
     all classes of Capital Stock of the Company then outstanding normally
     entitled to vote in elections of directors; provided, however, that a
                                                 --------  -------        
     person shall not be deemed beneficial owner of, or to own beneficially, (A)
     any securities tendered pursuant to a tender or exchange offer made by or
     on behalf of such person or any of such person's Affiliates or Associates
     until such tendered securities are accepted for purchase or exchange
     thereunder, or (B) any securities if such beneficial ownership (1) arises
     solely as a result of a revocable proxy delivered in response to a proxy or
     consent solicitation made pursuant to, and in accordance with, the
     applicable rules and regulations under the Exchange Act, and (2) is not
     also then reportable on Schedule 13D (or any successor schedule, form or
     report) under the Exchange Act.

     Notwithstanding the foregoing provisions of this Section 3.09, a Change in
Control shall not be deemed to have occurred if at any time the Company, any
Subsidiary, any employee stock ownership plan or any other employee benefit plan
of the Company or any Subsidiary, or any person holding Common Stock for or
pursuant to the terms of any such employee benefit plan files or becomes
obligated to file a report under or in response to Schedule 13D or Schedule 14D-
1 (or any successor schedule, form or report) under the Exchange Act disclosing
beneficial ownership by it of shares of Common Stock, whether in excess of 50%
or otherwise.

     "Associate" shall have the meaning ascribed to such term in Rule 12b-2 of
      ---------                                                               
the General Rules and Regulations under the Exchange Act, as in effect on the
date hereof.

     (b) Within 15 Business Days after the Change in Control, the Company shall
mail a written notice of such Change in Control by first-class mail to the
Trustee and to each Holder (and to beneficial owners if required by applicable
law).  The notice shall include a form of Change in Control Purchase Notice to
be completed by the Securityholder and shall state:


                                      39
<PAGE>
 
          (1) the events causing a Change in Control and the date such Change in
     Control is deemed to have occurred for purposes of this Section 3.09;

          (2) the date by which the Change in Control Purchase Notice pursuant
     to this Section 3.09 must be given;

          (3) the Change in Control Purchase Date;

          (4) the Change in Control Purchase Price;

          (5) the name and address of the Paying Agent and the Conversion Agent
     and the office or agency referred to in Section 4.05;

          (6) the Conversion Rate and any adjustments thereto;

          (7) that Securities as to which a Change in Control Purchase Notice
     has been given may be converted into Common Stock (or, in lieu thereof,
     cash, if the Company shall so elect) at any time prior to the close of
     business on the Change in Control Purchase Date only if the Change in
     Control Purchase Notice has been withdrawn by the Holder in accordance with
     the terms of this Indenture;

          (8) that Securities must be surrendered to the Paying Agent or the
     office or agency referred to in Section 4.05 to collect payment;

          (9) that the Change in Control Purchase Price for any Security as to
     which a Purchase Notice has been duly given and not withdrawn will be paid
     promptly following the later of the Change in Control Purchase Date and the
     time of surrender of such Security as described in clause (8) above;

          (10) the procedures the Holder must follow to exercise rights under
     this Section 3.09 and a brief description of those rights;

          (11) briefly, the conversion rights of the Securities;  and

          (12) the procedures for withdrawing a Change in Control Purchase
     Notice.

     (c) A Holder may exercise its rights specified in Section 3.09(a) upon
delivery of a written notice of purchase (a "Change in Control Purchase Notice")
                                             ---------------------------------  
to the Paying Agent or to 

                                      40
<PAGE>
 
the office or agency referred to in Section 4.05 at any time prior to the close
of business on the Change in Control Purchase Date, stating:

          (1) the certificate number of the Security which the Holder will
     deliver to be purchased;

          (2) the portion of the Principal Amount of the Security which the
     Holder will deliver to be purchased, which portion must be $1,000 or an
     integral multiple thereof; and

          (3) that such Security shall be purchased on the Change in Control
     Purchase Date pursuant to the terms and conditions specified in paragraph 6
     of the Securities.

     Receipt of the Security by the Paying Agent prior to, on or after the
Change in Control Purchase Date (together with all necessary endorsements), at
the offices of the Paying Agent or to the office or agency referred to in
Section 4.05 shall be a condition to the receipt by the Holder of the Change in
Control Purchase Price therefor; provided, however, that such Change in Control
                                 --------  -------                             
Purchase Price shall be so paid pursuant to this Section 3.09 only if the
Security so delivered to the Paying Agent or such office or agency shall conform
in all respects to the description thereof set forth in the related Change in
Control Purchase Notice.

     The Company shall purchase from the Holder thereof, pursuant to this
Section 3.09, a portion of a Security if the Principal Amount of such portion is
$1,000 or an integral multiple of $1,000.  Provisions of this Indenture that
apply to the purchase of all of a Security also apply to the purchase of such
portion of such Security.

     Any purchase by the Company contemplated pursuant to the provisions of this
Section 3.09 shall be consummated by the delivery of the consideration to be
received by the Holder promptly following the later of the Change in Control
Purchase Date and the date such Securities are surrendered to the Paying Agent
or at the office or agency referred to in Section 4.05.

     Notwithstanding anything herein to the contrary, any Holder delivering to
the Paying Agent or to the office or agency referred to in Section 4.05 the
Change in Control Purchase Notice contemplated by this Section 3.09(c) shall
have the right to withdraw such Change in Control Purchase Notice at any time
prior to or on the Change in Control Purchase Date by delivery of a written
notice of withdrawal to the Paying Agent or to such office or agency in
accordance with Section 3.10.


                                      41
<PAGE>
 
     The Paying Agent shall promptly notify the Company of the receipt by it of
any Change in Control Purchase Notice or written withdrawal thereof.

      SECTION 3.10.  EFFECT OF PURCHASE NOTICE OR CHANGE IN CONTROL PURCHASE
                     -------------------------------------------------------
NOTICE. Upon receipt by the Paying Agent of the Purchase Notice or Change in
- ------                                                                      
Control Purchase Notice specified in Section 3.08(a) or Section 3.09(c), as
applicable, the Holder of the Security in respect of which such Purchase Notice
or Change in Control Purchase Notice, as the case may be, was given shall
(unless such Purchase Notice or Change in Control Purchase Notice is withdrawn
as specified in the following two paragraphs) thereafter be entitled to receive
solely the Purchase Price or Change in Control Purchase Price, as the case may
be, with respect to such Security. Such Purchase Price or Change in Control
Purchase Price shall be paid to such Holder promptly following the later of (x)
the Business Day following the Purchase Date or the Change in Control Purchase
Date, as the case may be, with respect to such Security (provided the conditions
in Section 3.08(a) or Section 3.09(c), as applicable, have been satisfied) and
(y) the time of delivery of such Security to the Paying Agent or to the office
or agency referred to in Section 4.05 by the Holder thereof in the manner
required by Section 3.08(a) and (g) or Section 3.09(c), as applicable.
Securities in respect of which a Purchase Notice or Change in Control Purchase
Notice, as the case may be, has been given by the Holder thereof may not be
converted into shares of Common Stock on or after the date of the delivery of
such Purchase Notice or Change in Control Purchase Notice, as the case may be,
unless such Purchase Notice or Change in Control Purchase Notice, as the case
may be, has first been validly withdrawn as specified in the following two
paragraphs.

     A Purchase Notice or Change in Control Purchase Notice, as the case may be,
may be withdrawn by means of a written notice of withdrawal delivered to the
office of the Paying Agent or to the office or agency referred to in Section
4.05 at any time on or prior to the Purchase Date or the Change in Control
Purchase Date, as the case may be, specifying:

          (1)  the certificate number of the Security in respect of which such
     notice of withdrawal is being submitted;

          (2)  the Principal Amount of the Security with respect to which such
     notice of withdrawal is being submitted; and

          (3)  the Principal Amount, if any, of such Security which remains
     subject to the original Purchase Notice or Change in Control Purchase
     Notice, as the case may be, and which has been or will be delivered for
     purchase by the Company.


                                      42
<PAGE>
 
     A written notice of withdrawal of a Purchase Notice may be in the form set
forth in the preceding paragraph or may be in the form of (i) a conditional
withdrawal contained in a Purchase Notice pursuant to the terms of Section
3.08(a)(1)(D) or (ii) a conditional withdrawal containing the information set
forth in Section 3.08(a)(1)(D) and the preceding paragraph and contained in a
written notice of withdrawal delivered to the Paying Agent as set forth in the
preceding paragraph.

     There shall be no purchase of any Securities pursuant to Section 3.08
(other than through the issuance of Common Stock in payment of the Purchase
Price, including cash in lieu of fractional shares of Common Stock) or Section
3.09 if there has occurred (prior to, on or after, as the case may be, the
giving, by the Holders of such Securities, of the required Purchase Notice or
Change in Control Purchase Notice, as the case may be) and is continuing an
Event of Default (other than a default in the payment of the Purchase Price or
Change in Control Purchase Price, as the case may be, with respect to such
Securities).  The Paying Agent will promptly return to the respective Holders
thereof any Securities (x) with respect to which a Purchase Notice or Change in
Control Purchase Notice, as the case may be, has been withdrawn in compliance
with this Indenture, or (y) held by it during the continuance of an Event of
Default (other than a default in the payment of the Purchase Price or Change in
Control Purchase Price, as the case may be, with respect to such Securities) in
which case, upon such return, the Purchase Notice or Change in Control Purchase
Notice with respect thereto shall be deemed to have been withdrawn.

      SECTION 3.11.  DEPOSIT OF PURCHASE PRICE OR CHANGE IN CONTROL PURCHASE
                     -------------------------------------------------------
PRICE. Prior to 12:00 p.m. (local time in The City of New York) on the Business
- -----                                                                          
Day following the Purchase Date or the Change in Control Purchase Date, as the
case may be, the Company shall deposit with the Trustee or with the Paying Agent
(or, if the Company or a Subsidiary or an Affiliate of either of them is acting
as Paying Agent, shall segregate and hold in trust as provided in Section 2.04)
an amount of cash in immediately available funds or securities, if expressly
permitted hereunder, sufficient to pay the aggregate Purchase Price or Change in
Control Purchase Price, as the case may be, of all the Securities or portions
thereof which are to be purchased as of the Purchase Date or Change in Control
Purchase Date, as the case may be.

      SECTION 3.12.  SECURITIES PURCHASED IN PART.  Any Security which is to be
                     ----------------------------                              
purchased only in part shall be surrendered at the office of the Paying Agent or
the office or agency referred to in Section 4.05 (with, if the Company or the
Trustee so requires, due endorsement, or a written instrument of transfer in
form satisfactory to the Company and the Trustee executed by the Holder or such
Holder's attorney duly authorized in writing) and the Company shall execute and
the Trustee shall authenticate and deliver to the Holder of such 

                                      43
<PAGE>
 
Security, without service charge, a new Security or Securities, of any
authorized denomination as requested by such Holder in aggregate Principal
Amount equal to, and in exchange for, the portion of the Principal Amount of the
Security so surrendered which is not purchased.

      SECTION 3.13.  COVENANT TO COMPLY WITH SECURITIES LAWS UPON PURCHASE OF
                     --------------------------------------------------------
SECURITIES.  In connection with any offer to purchase or purchase of Securities
- ----------                                                                     
under Section 3.08 or 3.09, the Company shall (i) comply with Rule 13e-4 and
Rule 14e-1 under the Exchange Act, if applicable, (ii) file the related Schedule
13E-4 (or any successor schedule, form or report) under the Exchange Act, if
applicable, and (iii) otherwise comply with all Federal and state securities
laws regulating the offer and delivery of shares of Common Stock upon purchase
of the Securities (including positions of the SEC under applicable no-action
letters) so as to permit the rights and obligations under Sections 3.08 and 3.09
to be exercised in the time and in the manner specified in Sections 3.08 and
3.09.

      SECTION 3.14.  REPAYMENT TO THE COMPANY.  The Trustee and the Paying Agent
                     ------------------------                                   
shall return to the Company, upon written request, any cash or shares of Common
Stock, together with interest on such cash as hereinafter provided and dividends
on such shares of Common Stock, if any (subject to the provisions of Section
7.01(f)), held by them for the payment of a Purchase Price or Change in Control
Purchase Price, as the case may be, of the Securities that remain unclaimed as
provided in paragraph 12 of the Securities; provided, however, that to the
                                            --------  -------             
extent that the aggregate amount of cash or shares of Common Stock deposited by
the Company pursuant to Section 3.11 exceeds the aggregate Purchase Price or
Change in Control Purchase Price, as the case may be, of the Securities or
portions thereof to be purchased, then promptly after the Business Day following
the Purchase Date or Change in Control Purchase Date, as the case may be, the
Trustee shall return any such excess to the Company together with interest as
hereinafter provided or dividends, if any, thereon (subject to the provisions of
Section 7.01(f)). Any cash deposited with the Trustee or with the Paying Agent
pursuant to Section 3.11 hereof, shall be invested by the Trustee or Paying
Agent, as applicable, in short term obligations of, or fully guaranteed by, the
United States of America, or commercial paper rated A-1 or better by Standard
and Poor's Corporation or P-1 or better by Moody's Investors Service, Inc. as
specifically directed in writing by the Company.  If the Company fails to so
direct Trustee in writing, Trustee may invest any cash deposited with it in
money market funds (including funds of the Trustee and its affiliates for which
they may receive compensation).  Interest earned on such investments shall be
repaid to the Company pursuant to this Section 3.14.  Except as provided for in
this Section 3.14, the Trustee shall be under no liability for interest on any
money received by it pursuant to this Indenture.


                                      44
<PAGE>
 
                                  ARTICLE IV.

                                   COVENANTS

      SECTION 4.01.  PAYMENT OF SECURITIES.  The Company shall promptly make all
                     ---------------------                                      
payments in respect of the Securities on the dates and in the manner provided in
the Securities or pursuant to this Indenture.  Principal Amount, Issue Price,
accrued Original Issue Discount, Redemption Price, Purchase Price, Change in
Control Purchase Price and interest, if any, shall be considered paid on the
applicable date due if on such date the Trustee or the Paying Agent holds, in
accordance with this Indenture, cash or securities, if expressly permitted
hereunder, sufficient to pay all such amounts then due.

     The Company shall, to the extent permitted by law, pay interest on overdue
amounts at the per annum rate of interest set forth in paragraph 1 of the
Securities, compounded semi-annually, which interest on overdue amounts (to the
extent payment of such interest shall be legally enforceable) shall accrue from
the date such overdue amounts were originally due and payable.

      SECTION 4.02.  SEC REPORTS.  The Company shall file with the Trustee
                     -----------                                          
(which may be in the EDGAR format), within 30 days after it files such annual
reports, information, documents and other reports with the SEC, copies of its
annual reports and of the information, documents and other reports (or copies of
such portions of any of the foregoing as the SEC may by rules and regulations
prescribe) which the Company is required to file with the SEC pursuant to
Section 13 or 15(d) of the Exchange Act (or any such successor provisions
thereto).  In the event the Company is at any time no longer subject to the
reporting requirements of Section 13 or 15(d) of the Exchange Act (or any such
successor provisions), it shall continue to provide the Trustee with reports
containing substantially the same information as would have been required to be
filed with the SEC had the Company continued to have been subject to such
reporting requirements, including, with respect to annual information only, a
report thereon by the Company's certified independent public accountants as such
would be required in such reports to the Commission and, in each case, together
with a management's discussion and analysis of results of operations and
financial condition as such would be so required, and the Trustee shall make any
such reports available to Holders upon request.  In such event, such reports
shall be provided at the times the Company would have been required to provide
reports had it continued to have been subject to such reporting requirements.
The Company also shall comply with the other provisions of TIA Section 314(a),
to the extent such provisions are applicable.


                                      45
<PAGE>
 
      SECTION 4.03.  COMPLIANCE CERTIFICATE; NOTICE OF DEFAULTS.  (a) The
                     ------------------------------------------          
Company shall deliver to the Trustee within 120 days after the end of each
fiscal year of the Company (beginning with the fiscal year ending in October
1998) a certificate of an authorized officer of the Company stating whether or
not, to the knowledge of the signer, the Company is in default in the
performance of any terms or provisions of the Indenture, and if the Company
shall be in default, specifying each such default and the nature thereof.  For
the purpose of this Section 4.03, compliance shall be determined without regard
to any grace period or requirement of notice provided pursuant to the terms of
this Indenture.

     (b) The Company shall file with the Trustee written notice of the
occurrence of any Default or Event of Default within five Business Days of its
becoming aware of such Default or Event of Default.

      SECTION 4.04.  FURTHER INSTRUMENTS AND ACTS.  Upon request of the Trustee,
                     ----------------------------                               
the Company will execute and deliver such further instruments and do such
further acts as may be reasonably necessary or proper to carry out more
effectively the purposes of this Indenture.

      SECTION 4.05.  MAINTENANCE OF OFFICE OR AGENCY.  The Company will maintain
                     -------------------------------                            
in the Borough of Manhattan, The City of New York, in such location as may be
required by the rules of any securities exchange or quotation system on which
the Securities may from time to time be listed, an office or agency where
Securities may be presented or surrendered for payment, where Securities may be
surrendered for registration of transfer, exchange, purchase, redemption or
conversion and where notices and demands to or upon the Company in respect of
the Securities and this Indenture may be served.  The office of the Trustee in
The City of New York, at which at any particular time its corporate trust
business shall be principally administered, which office on the date hereof is
located at 450 W. 33rd St., 15th Floor, New York, New York  10001-2697, shall be
such office or agency for all of the aforesaid purposes unless the Company shall
maintain some other office or agency for such purposes and shall give prompt
written notice to the Trustee of the location, and any change of location, of
such other office or agency.  If at any time the Company shall fail to maintain
any such required office or agency or shall fail to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made
or served at the address of the Trustee set forth in Section 13.02.

     The Company may also from time to time designate one or more other offices
or agencies where the Securities may be presented or surrendered for any or all
such purposes and may from time to time rescind such designations; provided,
                                                                   -------- 
however, that no such designation or rescission shall in any manner relieve the
- -------                                                                        
Company of its obligation to maintain an office or agency in The Borough of
Manhattan, The City of New York, for such purposes.

      SECTION 4.06. CALCULATION OF ORIGINAL ISSUE DISCOUNT.
                    -------------------------------------- 

     The Company shall file with the Trustee promptly following the end of each
calendar year a written notice specifying the amount of Original Issue Discount
(including daily rates and accrual periods) accrued on outstanding Securities as
of the end of such year.


                                      46
<PAGE>
 
     SECTION 4.07.  144A INFORMATION REQUIREMENT.
                    ---------------------------- 

     The Company shall use its reasonable efforts to file the reports required
to be filed by it under the Securities Act and the Exchange Act in a timely
manner and, if at any time it is not required to file such reports but in the
past had been required to or did file such reports, it will, upon the request of
any holder of Registrable Securities, make available other information as
required by, and so long as necessary to permit, sales of its Registrable
Securities pursuant to Rules 144 and 144A under the Securities Act or, in each
case, any similar rule or regulation hereafter adopted by the SEC as a
replacement thereto having substantially the same effect as such rule.
Notwithstanding the foregoing, nothing in this Section 4.07 shall be deemed to
require the Company to register any of its securities pursuant to the Exchange
Act.

                                   ARTICLE V.

                             SUCCESSOR CORPORATION


      SECTION 5.01.  WHEN COMPANY MAY MERGE OR TRANSFER ASSETS.  So long as any
                     -----------------------------------------                 
Securities shall be outstanding, the Company shall not, directly or indirectly,
consolidate with or merge with or into any other individual, corporation,
partnership, joint venture, association, joint-stock company, trust,
unincorporated organization or limited liability company or other person or
sell, lease, convey or transfer all or substantially all of its properties and
assets (computed on a consolidated basis), whether in a single transaction or a
series of related transactions, to another person or group of affiliated persons
(such successor corporation or person, as the case may be, shall in this Article
V be referred to as the "Successor Company"), unless
                         -----------------          

          (1) either (x) in the case of a merger or consolidation, the Company
     shall be the continuing corporation or (y) the Successor Company (if other
     than the Company) shall be organized and existing under the laws of the
     United States of America or any State or the District of Columbia, and
     shall expressly assume by an indenture supplemental hereto, executed and
     delivered to the Trustee, in form satisfactory to the Trustee, the due and
     punctual payment of the principal of and premium, if any, and interest, if
     any, on all the Securities and the performance of every covenant of this
     Indenture and in the Securities on the part of the Company to be performed
     or observed;

          (2) immediately after giving effect to such transaction, no Event of
     Default, and no event that, after notice or lapse of time, or both, would
     become an Event of Default, shall have happened and be continuing;

                                      47
<PAGE>
 
          (3) the Company has delivered to the Trustee an Officer's Certificate
     and an Opinion of Counsel each stating that such consolidation, merger,
     conveyance, transfer or lease and such supplemental indenture comply with
     this Article V and that all conditions precedent herein provided for
     relating to such transaction have been complied with.


     For purposes of the foregoing, the transfer (by lease, assignment, sale or
otherwise) of all or substantially all of the properties and assets of one or
more subsidiaries, the Company's interest in which constitutes all or
substantially all of the properties and assets of the Company shall be deemed to
be the transfer of all or substantially all of the properties and assets of the
Company.

      SECTION 5.02.  SUCCESSOR COMPANY SUBSTITUTED.  Upon any consolidation with
                     -----------------------------                              
or merger into any other corporation or other person, or any conveyance,
transfer or lease of the properties and assets of the Company substantially as
an entirety in accordance with Section 5.01, the Successor Company or person
formed by such consolidation or into which the Company is merged or to which
such conveyance, transfer or lease is made shall succeed to, and be substituted
for, and may exercise every right and power of, the Company under this Indenture
with the same effect as if such Successor Company or person had been named as
the Company herein, and thereafter, except in the case of a lease and
obligations the Company may have under a supplemental indenture pursuant to
Section 10.14, the predecessor corporation shall be relieved of all obligations
and covenants under this Indenture and the Securities.  Subject to Section 9.06,
the Company, the Trustee and the successor person shall enter into a
supplemental indenture to evidence the succession and substitution of such
successor person and such discharge and release of the Company.

                                  ARTICLE VI.

                             DEFAULTS AND REMEDIES


      SECTION 6.01.  EVENTS OF DEFAULT.  An "Event of Default" occurs if:
                     -----------------       ----------------            

          (1) after exercise of its option pursuant to Section 12.01 following a
     Tax Event, the Company defaults in the payment of interest upon any
     security when such interest becomes due and payable, and such default
     continues for a period of 31 days;

          (2)  the Company defaults in the payment of the Principal Amount,
     Issue Price, accrued Original Issue Discount, Redemption Price, Purchase
     Price or Change in 

                                      48
<PAGE>
 
     Control Purchase Price on any Security, when the same becomes due and
     payable at its Stated Maturity, upon redemption, upon declaration, when due
     for purchase by the Company or otherwise, whether or not such payment shall
     be prohibited by this Indenture;

          (3)  the Company fails to comply with any of its agreements in the
     Securities or this Indenture and such failure continues for 90 days after
     receipt by the Company of a Notice of Default;

          (4)  the Company pursuant to or within the meaning of any Bankruptcy
     Law:

               (A)  commences a voluntary case;

               (B)  consents to the entry of an order for relief against it in
          an involuntary case or the commencement of any case against it;

               (C)  consents to the appointment of a Custodian of it or for any
          substantial part of its property;

               (D)  makes a general assignment for the benefit of its creditors;

               (E)  files a petition in bankruptcy or answer or consent seeking
          reorganization or relief; or

               (F)  consents to the filing of such petition or the appointment
          of or taking possession by a Custodian;

          (5)  a court of competent jurisdiction enters an order or decree under
     any Bankruptcy Law that:

               (A)  is for relief against the Company in an involuntary case, or
          adjudicates the Company insolvent or bankrupt;

               (B)  appoints a Custodian of the Company or for any substantial
          part of its property; or

               (C)  orders the winding up or liquidation of the Company;

     and the order or decree remains unstayed and in effect for 60 days; or


                                      49
<PAGE>
 
          (6)  the Company fails to deliver shares of Common Stock (and cash in
     lieu of fractional shares) or cash in lieu of shares of Common Stock in
     accordance with the terms hereof when such Common Stock (and cash in lieu
     of fractional shares) or cash is required to be delivered, upon conversion
     of a Security and such failure is not remedied for a period of 10 days.

     A Default under clause (3) above is not an Event of Default until the
Trustee notifies the Company, or the Holders of at least 25% in aggregate
Principal Amount of the Securities at the time outstanding notify the Company
and the Trustee, of the Default and the Company does not cure such Default
within the time specified in clause (3) above after receipt of such notice.  Any
such notice must specify the Default, demand that it be remedied and state that
such notice is a "Notice of Default."
                  -----------------  

     The Company shall deliver to the Trustee, within 30 days after it becomes
aware of the occurrence thereof, written notice of any event which with the
giving of notice and the lapse of time or both would become an Event of Default
under clause (3) or clause (7), its status and what action the Company is taking
or proposes to take with respect thereto.

      SECTION 6.02.  ACCELERATION.  If an Event of Default (other than an Event
                     ------------                                              
of Default specified in Section 6.01(4) or (5)) occurs and is continuing, unless
the Principal Amount of all the Securities shall have already become due and
payable, either the Trustee by notice to the Company, or the Holders of at least
25% in aggregate Principal Amount of the Securities at the time outstanding by
notice to the Company and the Trustee, may declare the Issue Price and accrued
Original Issue Discount (or if the Securities have been converted to a
semiannual coupon note following a Tax Event, the Restated Principal Amount,
plus accrued and unpaid interest) through the date of declaration on all the
Securities to be immediately due and payable, whereupon such Issue Price and
accrued Original Issue Discount shall be due and payable immediately; provided
                                                                      --------
that, if an Event of Default specified in Section 6.01(4) or (5) occurs and is
continuing, the Issue Price and accrued Original Issue Discount (or if the
Securities have been converted to a semiannual coupon note (or if the Securities
have been converted to a semiannual coupon note following a Tax event, the
Restated Principal Amount, plus accrued and unpaid interest) following a Tax
Event, the Restated Principal Amount, plus accrued and unpaid interest) on all
the Securities through the date of the occurrence of such Event of Default shall
become and be immediately due and payable without any declaration or other act
on the part of the Trustee or any Securityholders.  The Holders of a majority in
aggregate Principal Amount of the Securities at the time outstanding, by notice
to the Trustee (and without notice to any other Securityholder) may rescind an
acceleration and its consequences if the rescission would not conflict with any
judgment or decree of a court of competent jurisdiction and if all existing
Events of Default have been cured or waived except 

                                      50
<PAGE>
 
nonpayment of the Issue Price and accrued Original Issue Discount (or accrued
and unpaid interest) that have become due solely as a result of acceleration and
if all amounts due to the Trustee under Section 7.06 have been paid. No such
rescission shall affect any subsequent Default or impair any right consequent
thereto.

      SECTION 6.03.  OTHER REMEDIES.  If an Event of Default occurs and is
                     --------------                                       
continuing, the Trustee may pursue any available remedy to collect the payment
of the Issue Price and accrued Original Issue Discount on the Securities or to
enforce the performance of any provision of the Securities or this Indenture.

     The Trustee may maintain a proceeding even if the Trustee does not possess
any of the Securities or does not produce any of the Securities in the
proceeding.  A delay or omission by the Trustee or any Securityholder in
exercising any right or remedy accruing upon an Event of Default shall not
impair the right or remedy or constitute a waiver of, or acquiescence in, the
Event of Default.  No remedy is exclusive of any other remedy.  All available
remedies are cumulative.

      SECTION 6.04.  WAIVER OF PAST DEFAULTS.  The Holders of a majority in
                     -----------------------                               
aggregate Principal Amount of the Securities at the time outstanding, by notice
to the Trustee (and without notice to any other Securityholder), may waive an
existing Default and its consequences except (a) an Event of Default described
in Section 6.01(2), (b) a Default in respect of a provision that under Section
9.02 cannot be amended without the consent of each Securityholder affected or
(c) a Default under Article X.  When a Default is waived, it is deemed cured and
shall cease to exist, but no such waiver shall extend to any subsequent or other
Default or impair any consequent right.

      SECTION 6.05.  CONTROL BY MAJORITY.  The Holders of a majority in
                     -------------------                               
aggregate Principal Amount of the Securities at the time outstanding may direct
the time, method and place of conducting any proceeding for any remedy available
to the Trustee or of exercising any trust or power conferred on the Trustee,
provided that such direction shall not be otherwise than in accordance with law
or the provisions of this Indenture or result in personal liability for the
Trustee.  However, the Trustee may refuse to follow any direction that conflicts
with law or this Indenture (as determined by Trustee or Trustee's counsel) or
that the Trustee (or its counsel) determines in good faith is unduly prejudicial
to the rights of other Securityholders or would involve the Trustee in personal
liability unless the Trustee shall have been provided with reasonable security
or indemnity against such liability satisfactory to the Trustee.


                                      51
<PAGE>
 
      SECTION 6.06.  LIMITATION ON SUITS.  A Securityholder may not pursue any
                     -------------------                                      
remedy with respect to this Indenture or the Securities unless:

          (1)  the Holder gives to the Trustee written notice stating that an
     Event of Default is continuing;

          (2)  the Holders of at least 25% in aggregate Principal Amount of the
     Securities at the time outstanding make a written request to the Trustee to
     pursue the remedy;

          (3)  such Holder or Holders offer to the Trustee reasonable security
     or indemnity against any loss, liability or expense satisfactory to the
     Trustee;

          (4)  the Trustee does not comply with the request within 60 days after
     receipt of the notice, the request and the offer of security or indemnity;
     and

          (5)  the Holders of a majority in aggregate Principal Amount of the
     Securities at the time outstanding do not give the Trustee a direction
     inconsistent with the request during such 60-day period.

     A Securityholder may not use this Indenture to prejudice the rights of any
other Securityholder or to obtain a preference or priority over any other
Securityholder.

      SECTION 6.07.  RIGHTS OF HOLDERS TO RECEIVE PAYMENT.  Notwithstanding any
                     ------------------------------------                      
other provision of this Indenture, the right of any Holder to receive payment of
the Principal Amount, Issue Price, accrued Original Issue Discount, Redemption
Price, Purchase Price, Change in Control Purchase Price or interest, if any, in
respect of the Securities held by such Holder, on or after the respective due
dates expressed in the Securities or any Redemption Date, or to bring suit for
the enforcement of any such payment on or after such respective dates or the
right to convert, shall not be impaired or affected adversely without the
consent of each such Holder.

      SECTION 6.08.  COLLECTION SUIT BY TRUSTEE.  If an Event of Default
                     --------------------------                         
described in Section 6.01(2) or 6.01(3) occurs and is continuing, the Trustee
may recover judgment in its own name and as trustee of an express trust against
the Company for the whole amount owing with respect to the Securities and the
amounts provided for in Section 7.06.

      SECTION 6.09.  TRUSTEE MAY FILE PROOFS OF CLAIM.  In case of the pendency
                     --------------------------------                          
of any receivership, insolvency, liquidation, bankruptcy, reorganization,
arrangement, adjustment, composition or other judicial proceeding relative to
the Company or any other obligor upon the 

                                      52
<PAGE>
 
Securities or the property of the Company or of such other obligor or their
creditors, the Trustee (irrespective of whether the Principal Amount, Issue
Price, accrued Original Issue Discount, Redemption Price, Purchase Price, Change
in Control Purchase Price or interest, if any, in respect of the Securities
shall then be due and payable as therein expressed or by declaration or
otherwise and irrespective of whether the Trustee shall have made any demand on
the Company for the payment of any such amount) shall be entitled and empowered,
by intervention in such proceeding or otherwise:

          (a)  to file and prove a claim for the whole amount of the Principal
     Amount, Issue Price, accrued Original Issue Discount, Redemption Price,
     Purchase Price, Change in Control Purchase Price or interest, if any, and
     to file such other papers or documents as may be necessary or advisable in
     order to have the claims of the Trustee (including any claim for the
     reasonable compensation, expenses, disbursements and advances of the
     Trustee, its agents and counsel) and of the Holders allowed in such
     judicial proceeding; and

          (b)  to collect and receive any moneys or other property payable or
     deliverable on any such claims and to distribute the same;

and any Custodian, receiver, assignee, trustee, liquidator, sequestrator or
similar official in any such judicial proceeding is hereby authorized by each
Holder to make such payments to the Trustee and, in the event that the Trustee
shall consent to the making of such payments directly to the Holders, to pay the
Trustee any amount due it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts due the Trustee under Section 7.06.

     Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof, or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding.

      SECTION 6.10.  PRIORITIES.  If the Trustee collects any money pursuant to
                     ----------                                                
this Article VI, it shall pay out the money in the following order:

         FIRST:  to the Trustee for amounts due under Section 7.06;

         SECOND:  to Securityholders for amounts due and unpaid on the
Securities for the Principal Amount, Issue Price, accrued Original Issue
Discount, Redemption Price, Purchase Price, Change in Control Purchase Price or
interest, if any, as the case may be, ratably, 

                                      53
<PAGE>
 
without preference or priority of any kind, according to such amounts due and
payable on the Securities; and

         THIRD:  the balance, if any, to the Company.

     The Trustee may fix a record date and payment date for any payment to
Securityholders pursuant to this Section 6.10.  At least 15 days before such
record date, the Company shall mail to each Securityholder and the Trustee a
notice that states the record date, the payment date and amount to be paid.

      SECTION 6.11.  UNDERTAKING FOR COSTS.  In any suit for the enforcement of
                     ---------------------                                     
any right or remedy under this Indenture or in any suit against the Trustee for
any action taken or omitted by it as Trustee, a court in its discretion may
require the filing by any party litigant (other than the Trustee) in the suit of
an undertaking to pay the costs of the suit, and the court in its discretion may
assess reasonable costs, including reasonable attorneys' fees and expenses,
against any party litigant in the suit, having due regard to the merits and good
faith of the claims or defenses made by the party litigant.  This Section 6.11
does not apply to a suit initiated by the Trustee, a suit by a Holder pursuant
to Section 6.07 or a suit by Holders of more than 10% in aggregate Principal
Amount of the Securities at the time outstanding.

      SECTION 6.12.  NOTICE OF DEFAULTS.  The Trustee shall, within 90 days
                     ------------------                                    
after the occurrence of any Default, mail to all Holders of Securities, as the
names and addresses of such Holders appear on the books of registry of the
Company, notice of all Defaults of which the Trustee shall have received notice,
unless such Defaults shall have been cured or waived before the giving of such
notice; provided that, except in the case of a Default described in Section
        --------                                                           
6.01(1) or 6.01(2), the Trustee shall be protected in withholding such notice if
and so long as the board of directors, the executive committee, or a trust
committee of directors or Trust Officers of the Trustee in good faith determines
that the withholding of such notice is in the interests of the Holders of
Securities.

      SECTION 6.13.  WAIVER OF STAY, EXTENSION OR USURY LAWS.  The Company
                     ---------------------------------------              
covenants (to the extent it may lawfully do so) that it shall not at any time
insist upon, or plead, or in any manner whatsoever claim or take the benefit or
advantage of, any stay or extension law or any usury or other law, wherever
enacted, now or at any time hereafter in force, that would prohibit or forgive
the Company from paying all or any portion of the Principal Amount, Issue Price,
accrued Original Issue Discount, Redemption Price, Purchase Price or Change in
Control Purchase Price in respect of the Securities, or any interest on any such
amounts, as contemplated herein, or that may affect the covenants or the
performance of this Indenture or the Securities; and the Company (to the extent
that it may lawfully do so) 

                                      54
<PAGE>
 
hereby expressly waives all benefit or advantage of any such law, and covenants
that it will not hinder, delay or impede the execution of any power herein
granted to the Trustee, but will suffer and permit the execution of every such
power as though no such law had been enacted.

                                  ARTICLE VII.

                                    TRUSTEE


      SECTION 7.01.  RIGHTS OF TRUSTEE.  (a)  Before the Trustee acts or
                     -----------------                                  
refrains from acting, it may require an Officer's Certificate or an Opinion of
Counsel (or advice of Counsel).  The Trustee shall not be liable for any action
it takes or omits to take in good faith in reliance on such Officer's
Certificate or Opinion of Counsel.

     (b)  The Trustee may act through agents and shall not be responsible for
the misconduct or negligence of any agent appointed with due care.

     (c)  The Trustee shall not be liable for any action it takes or omits to
take in good faith which it believes to be authorized or within its rights or
powers.

     (d)  The Trustee may refuse to perform any duty or exercise any right or
power or extend or risk its own funds or otherwise incur any financial liability
unless it receives indemnity satisfactory to it against any loss, liability or
expense.

     (e)  Money held by the Trustee in trust hereunder need not be segregated
from other funds except to the extent required by law.  Except as provided in
Section 3.14 hereof, the Trustee (acting in any capacity hereunder) shall be
under no liability for interest on any money received by it hereunder.

     (f)  The Trustee undertakes to perform such duties and only such duties as
are specifically set forth in this Indenture, and no implied covenants or
obligations shall be read into this Indenture against the Trustee.

     (g)  In the absence of bad faith on its part, the Trustee may conclusively
rely, as to the truth of the statements and the correctness of the opinions
expressed therein, upon certificates or opinions furnished to the Trustee and
conforming to the requirements of this Indenture.

     (h)  The Trustee shall not be liable for any error of judgment made in good
faith by a Trust Officer.


                                      56
<PAGE>
 
     (i)  The Trustee shall not be liable with respect to any action taken or
omitted to be taken by it in good faith in accordance with the direction of the
Holders of a majority in principal amount of the outstanding Securities relating
to the time, method and place of conducting any proceeding for any remedy
available to the Trustee, or exercising any trust or power conferred upon the
Trustee, under this Indenture with respect to the Securities.

     (j)  The Trustee may consult with counsel of its selection and the advice
of such counsel or any Opinion of Counsel shall be full and complete
authorization and protection in respect of any action taken, suffered or omitted
by it hereunder in good faith and in reliance thereon.

     (k)  The Trustee shall not be bound to make any investigation into the
facts or matters stated in any resolution, certificate, statement, instrument,
opinion, report, notice, request, direction, consent, order, bond, debenture,
note, other evidence of indebtedness or other paper or document.

     (l)  No provision of this Indenture shall require the Trustee to expend or
risk its own funds or otherwise incur any financial liability in the performance
of any of its duties hereunder, or in the exercise of any of its rights or
powers, if it shall have reasonable grounds for believing that repayment of such
funds or adequate indemnity against such risk or liability is not reasonably
assured to it.

     (m)  The Trustee may rely and shall be protected in acting or refraining
from acting upon any resolution, certificate, statement, instrument, opinion,
report, notice, request, direction, consent, order, bond, debenture, note, other
evidence of indebtedness or other paper or document believed by it to be genuine
and to have been signed or presented by the proper party or parties.

      SECTION 7.02.  INDIVIDUAL RIGHTS OF TRUSTEE.  The Trustee in its
                     ----------------------------                     
individual or any other capacity may become the owner or pledgee of Securities
and may otherwise deal with the Company or its Affiliates with the same rights
it would have if it were not Trustee.  Any Paying Agent, Registrar, Conversion
Agent or co-registrar may do the same with like rights.  However, the Trustee
must comply with Sections 7.09 and 7.10.

      SECTION 7.03.  TRUSTEE'S DISCLAIMER.  The Trustee makes no representation
                     --------------------                                      
as to the validity or adequacy of this Indenture or the Securities, it shall not
be accountable for the Company's use of the proceeds from the Securities, it
shall not be responsible for any statement in the registration statement for the
Securities under the Securities Act or in the Indenture or the Securities (other
than its certificate of authentication), or the determination as to which
beneficial owners are entitled to receive any notices hereunder.


                                      56
<PAGE>
 
      SECTION 7.04.  NOTICE OF DEFAULTS.  The Trustee shall, within 90 days
                     ------------------                                    
after the occurrence of any Default, mail to all Holders of Securities, as the
names and addresses of such Holders appear on the books of registry of the
Company, notice of all Defaults of which the Trustee shall be notified, unless
such Defaults shall have been cured or waived before the giving of such notice.
Except in the case of a Default described in Section 6.01(1) or 6.01(2), the
Trustee shall be protected in withholding such notice if and so long as the
board of directors, the executive committee, or a trust committee of directors
or Trust Officers of the Trustee in good faith determines that the withholding
of such notice is in the interests of the Holders of Securities.

      SECTION 7.05.  REPORTS BY TRUSTEE TO HOLDERS.  Within 60 days after each
                     -----------------------------                            
October 1 beginning with the October 1, 1998 following the date of this
Indenture, the Trustee shall mail to each Securityholder a brief report dated as
of such June 1 that complies with TIA Section 313(a), if required by said
Section.  The Trustee also shall comply with TIA Section 313(b).

     A copy of each report at the time of its mailing to Securityholders shall
be provided to the Company and shall be filed with the SEC and each stock
exchange on which the Securities are listed.  The Company agrees promptly to
notify the Trustee whenever the Securities become listed on any stock exchange
and of any delisting thereof.

      SECTION 7.06.  COMPENSATION AND INDEMNITY.  The Company agrees: (a) to pay
                     --------------------------                                 
to the Trustee from time to time such compensation (in accordance with a fee
schedule agreed upon from time to time) for all services rendered by it
hereunder (which compensation shall not (to the extent permitted by law) be
limited by any provision of law in regard to the compensation of a trustee of an
express trust);

     (b)  to reimburse the Trustee (in accordance with a fee schedule agreed
upon from time to time) upon its request and, if required by the Company,
submission of reasonable documentation for all reasonable expenses,
disbursements and advances incurred or made by the Trustee in accordance with
any provision of this Indenture (including the reasonable compensation and the
expenses, advances and disbursements of its agents and counsel), except any such
expense, disbursement or advance as may be attributable to its negligence or
willful misconduct; and

     (c)  to indemnify each of the Trustee or any predecessor Trustee for, and
to hold it harmless against, any and all loss, liability, damage, claim or
expense, including taxes (other than taxes based upon, measured or determined by
the income of the Trustee), incurred without negligence or willful misconduct on
its part, arising out of or in connection with the 

                                      57
<PAGE>
 
acceptance or administration of this trust, including the reasonable costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder.

     The Trustee shall give the Company notice of any claim or liability for
which the Trustee might be entitled to indemnification under subparagraph (c) of
this Section 7.06, within a reasonable amount of time after a Trust Officer of
the Trustee actually becomes aware of such claim or liability.  To secure the
Company's payment obligations in this Section 7.06, the Trustee shall have a
lien prior to the Securities on all money or property held or collected by the
Trustee.

     The Company's payment obligations pursuant to this Section 7.06 shall
survive the discharge of this Indenture.  When the Trustee incurs expenses after
the occurrence of a Default specified in Section 6.01(4) or (5), the expenses
are intended to constitute expenses of administration under the Bankruptcy Law.
The provisions of this Section 7.06 shall survive the termination of this
Indenture.

      SECTION 7.07.  REPLACEMENT OF TRUSTEE.  The Trustee may resign by so
                     ----------------------                               
notifying the Company; provided, however, no such resignation shall be effective
                       --------  -------                                        
until a successor Trustee has accepted its appointment pursuant to this Section
7.07.  The Holders of a majority in aggregate Principal Amount of the Securities
at the time outstanding may remove the Trustee by so notifying the Trustee and
may appoint a successor Trustee (subject to the consent of the Company, such
consent not to be unreasonably withheld).  The Company shall remove the Trustee
if:

          (1)  the Trustee fails to comply with Section 7.09;

          (2)  the Trustee is adjudged bankrupt or insolvent;

          (3)  a receiver or other public officer takes charge of the Trustee or
     its property; or

          (4)  the Trustee otherwise becomes incapable of acting.

     In addition, the Company may remove the Trustee if the Company shall
determine that the services provided by the Trustee hereunder may be obtained at
a substantially lower cost to the Company.


                                      58
<PAGE>
 
     If the Trustee resigns or is removed or if a vacancy exists in the office
of Trustee for any reason, the Company shall promptly appoint, by resolution of
its Board of Directors, a successor Trustee.

     A successor Trustee shall deliver a written acceptance of its appointment
to the retiring Trustee and to the Company.  Thereupon the resignation or
removal of the retiring Trustee shall become effective, and the successor
Trustee shall have all the rights, powers and duties of the Trustee under this
Indenture.  The successor Trustee shall mail a notice of its succession to
Securityholders.  The retiring Trustee shall promptly transfer all property held
by it as Trustee to the successor Trustee, subject to the lien provided for in
Section 7.06.  A resigning Trustee shall be entitled to retain from any funds
held by it an amount equal to its unpaid fees and expenses pursuant to this
Indenture.

     If a successor Trustee does not take office within 30 days after the
retiring Trustee resigns or is removed, the retiring Trustee, the Company or the
Holders of a majority in aggregate Principal Amount of the Securities at the
time outstanding may petition any court of competent jurisdiction for the
appointment of a successor Trustee.

     If the Trustee fails to comply with Section 7.09, any Securityholder may
petition any court of competent jurisdiction for the removal of the Trustee and
the appointment of a successor Trustee.

      SECTION 7.08.  SUCCESSOR TRUSTEE BY MERGER.  If the Trustee consolidates
                     ---------------------------                              
with, merges or converts into, or transfers all or substantially all its
corporate trust business or assets to, another corporation, the resulting,
surviving or transferee corporation without any further act shall be the
successor Trustee.

      SECTION 7.09.  ELIGIBILITY; DISQUALIFICATION.  The Trustee shall at all
                     -----------------------------                           
times satisfy the requirements of TIA Sections 310(a)(1) and 310(b).  The
Trustee and its parent company shall have a combined capital and surplus of at
least $100,000,000 as set forth in its most recent published annual report of
condition.  In determining whether the Trustee has conflicting interests as
defined in TIA Section 310(b)(1), the provisions contained in the proviso to TIA
Section 310(b)(1) shall be deemed incorporated herein.

      SECTION 7.10.  PREFERENTIAL COLLECTION OF CLAIMS AGAINST COMPANY.  The
                     -------------------------------------------------      
Trustee shall comply with TIA Section 311(a), excluding any creditor
relationship listed in TIA Section 311(b).  A Trustee who has resigned or been
removed shall be subject to TIA Section 311(a) to the extent indicated therein.



                                      59
<PAGE>
 
     SECTION 7.11.  MONEY HELD IN TRUST.  Money held by the Trustee in trust
                    --------------------                                    
hereunder need not be segregated from other funds except to the extent required
by law.  The Trustee shall be under no liability for interest on any money
received by it hereunder except as otherwise agreed in writing with the Company.

     SECTION 7.12.  APPOINTMENT OF AUTHENTICATING AGENT.  The Trustee may
                    -----------------------------------                  
appoint an Authenticating Agent with respect to the Securities that shall be
authorized to act on behalf of the Trustee to authenticate Securities issued
upon original issue and upon exchange, registration of transfer or partial
redemption thereof or pursuant to Section 2.07, and Securities so authenticated
shall be entitled to the benefits of this Indenture and shall be valid and
obligatory for all purposes as if authenticated by the Trustee hereunder.
Wherever reference is made in this Indenture to the authentication and delivery
of Securities by the Trustee or the Trustee's certificate of authentication,
such reference shall be deemed to include authentication and delivery on behalf
of the Trustee by an Authenticating Agent and a certificate of authentication
executed on behalf of the Trustee by an Authenticating Agent.  Each
Authenticating Agent shall be acceptable to the Company and shall at all times
be a corporation organized and doing business under the laws of the United
States of America, any State thereof or the District of Columbia, authorized
under such laws to act as Authenticating Agent, having (together with its parent
company, if any) a combined capital and surplus of not less than $50,000,000 and
subject to supervision or examination by Federal or state authority.  If such
Authenticating Agent publishes reports of condition at least annually, pursuant
to law or to the requirements of said supervising or examining authority, then
for the purposes of this Section, the combined capital and surplus of such
Authenticating Agent shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published.  If at any time
an Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such Authenticating Agent shall resign immediately
in the manner and with the effect specified in this Section.

     Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency or
corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section, without the execution or filing of any paper or any further
act on the part of the Trustee or the Authenticating Agent.

     An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Company.  The Trustee may at any time
terminate the agency of an Authenticating Agent by giving written notice thereof
to such Authenticating Agent and to the 

                                      60
<PAGE>
 
Company. Upon receiving such a notice of resignation or upon such a termination,
or in case at any time such Authenticating Agent shall cease to be eligible in
accordance with the provisions of this Section, the Trustee may appoint a
successor Authenticating Agent that shall be acceptable to the Company and shall
mail written notice of such appointment by first-class mail, postage prepaid, to
all Holders of Securities as their names and addresses appear in the Security
Register. Any successor Authenticating Agent upon acceptance of its appointment
hereunder shall become vested with all the rights, powers and duties of its
predecessor hereunder, with like effect as if originally named as an
Authenticating Agent shall be appointed unless eligible under the provisions of
this Section.

     The Company agrees to pay to each Authenticating Agent from time to time
reasonable for its services under this Section.

     If an appointment is made pursuant to this Section, the Securities may have
endorsed thereon an alternative certificate of authentication in the following
form:

     This is one of the Securities designated therein referred to in the within-
mentioned Indenture.

                                    Chase Trust Company of California,      as
                                    Trustee


                                    By: ________________________________
                                        As Authenticating Agent


                                    By: ________________________________
                                        Authorized Signatory


     SECTION 7.13.  TRUSTEE'S APPLICATION FOR INSTRUCTIONS FROM THE COMPANY.
                    -------------------------------------------------------  
Any application by the Trustee for written instructions from the Company may, at
the option of the Trustee, set forth in writing any action proposed to be taken
or omitted by the Trustee under this Indenture and the date on and/or after
which such action shall be taken or such omission shall be effective.  The
Trustee shall not be liable for any action taken by, or omission of, the Trustee
in accordance with a proposal included in such application on or after the date
specified in such application (which date shall not be less than three Business
Days after the date any officer of the Company actually receives such
application, unless any such officer 

                                      61
<PAGE>
 
shall have consented in writing to any earlier date) unless not less than one
day prior to taking any such action (or the effective date in the case of any
omission), the Trustee shall have received written instructions in response to
such application specifying the action to be taken or omitted.

     SECTION 7.14.  REPORTS BY TRUSTEE.  (a) The Trustee shall transmit to
                    ------------------                                    
Holders such reports concerning the Trustee and its actions under this Indenture
as may be required pursuant to the TIA at the times and in the manner provided
pursuant thereto.  If required by Section 313(a) of the TIA, the Trustee shall,
within sixty days after each January 1 following the date of this Indenture,
deliver to Holders a brief report, dated as of January 1, which complies with
the provisions of such Section 313(a).

     (b)  A copy of each such report shall, at the time of such transmission to
Holders, be filed by the Trustee with each stock exchange, if any, upon which
the Securities are listed, with the SEC and with the Company.  The Company will
promptly notify the Trustee when the Securities are listed on any stock
exchange.


                                 ARTICLE VIII.

                             DISCHARGE OF INDENTURE


      SECTION 8.01.  DISCHARGE OF LIABILITY ON SECURITIES.  When (i) the Company
                     ------------------------------------                       
delivers to the Trustee all outstanding Securities (other than Securities
replaced pursuant to Section 2.07) for cancellation or (ii) all outstanding
Securities have become due and payable and the Company deposits with the Trustee
cash or, if expressly permitted by the terms hereof, securities sufficient to
pay at Stated Maturity the Principal Amount of all outstanding Securities (other
than Securities replaced pursuant to Section 2.07), and if in either case the
Company pays all other sums payable hereunder by the Company (including, without
limitation, sums payable by delivery of shares of Common Stock pursuant to
Section 3.08), then this Indenture shall, subject to Section 7.06, cease to be
of further effect.  The Trustee shall join in the execution of a document
prepared by the Company acknowledging satisfaction and discharge of this
Indenture on demand of the Company accompanied by an Officer's Certificate and
Opinion of Counsel and at the cost and expense of the Company.

      SECTION 8.02.  REPAYMENT TO THE COMPANY.  The Trustee and the Paying Agent
                     ------------------------                                   
shall return to the Company upon written request any money or securities held by
them for the payment of any amount with respect to the Securities that remains
unclaimed for two years; 

                                      62
<PAGE>
 
provided, however, that at the Company's written request, the Trustee or such
- --------  ------- 
Paying Agent, before being required to make any such return, shall, at the
expense of the Company, cause to be published once in The Wall Street Journal or
                                                      -----------------------  
another daily newspaper of national circulation or mail to each such Holder
notice that such money or securities remains unclaimed and that, after a date
specified therein, which shall not be less than 30 days from the date of such
mailing, any unclaimed money or securities then remaining will be returned to
the Company. After return to the Company, Holders entitled to the money or
securities must look to the Company for payment as general creditors unless an
applicable abandoned property law designates another person, and the Trustee and
the Paying Agent shall have no further liability with respect to such money or
securities for that period commencing after the return thereof.


                                  ARTICLE IX.

                                   AMENDMENTS


      SECTION 9.01.  WITHOUT CONSENT OF HOLDERS.  The Company and the Trustee
                     --------------------------                              
may amend this Indenture or the Securities without the consent of any
Securityholder:

          (1) to cure any ambiguity, omission, defect or inconsistency;
                                                                       
     provided, however, that such amendment does not materially adversely affect
     --------  -------                                                          
     the rights of any Securityholder;

          (2) to comply with Article V or Section 10.14;

          (3) to provide for uncertificated Securities in addition to or in
     place of certificated Securities so long as such uncertificated Securities
     are in registered form for purposes of the Internal Revenue Code of 1986,
     as amended;

          (4) to make any change that does not materially adversely affect the
     rights of any Securityholder;

          (5) to add to the covenants or obligations of the Company hereunder,
     for the benefit of the Securityholders, or to surrender any right, power or
     option herein conferred upon the Company; or


                                      63
<PAGE>
 
          (6) to make any change to comply with the TIA or any amendment of the
     TIA, or any requirement by the Commission in connection with the
     qualification of this Indenture under the TIA or any amendment thereof.

      SECTION 9.02.  WITH CONSENT OF HOLDERS.  With the written consent of the
                     -----------------------                                  
Holders of at least a majority in aggregate Principal Amount of the Securities
at the time outstanding, the Company and the Trustee may amend this Indenture or
the Securities.  However, without the consent of each Securityholder affected,
an amendment or supplement to this Indenture or the Securities may not:

          (1)  make any change to the Principal Amount of Securities whose
     Holders must consent to an amendment;

          (2)  make any change to the rate of accrual in connection with
     Original Issue Discount, reduce the rate of interest referred to in
     paragraph 1 of the Securities, reduce the rate of interest referred to in
     Section 12.01 upon the occurrence of a Tax Event or extend the time for
     payment of accrued Original Issue Discount or interest, if any, on any
     Security;

          (3)  reduce the Principal Amount or the Issue Price of or extend the
     Stated Maturity of any Security;

          (4)  reduce the amount of cash payable in respect of conversion upon
     the Company's election to pay cash with respect thereto, the Redemption
     Price, Purchase Price or Change in Control Purchase Price of any Security
     or extend the date on which the Purchase Price or Change in Control
     Purchase Price of any Security is payable;

          (5)  make any Security payable in money or securities other than that
     stated in the Security;

          (6)  make any change in Article XI that materially adversely affects
     the rights of any Holder;

          (7)  make any change in Section 6.04 or this Section 9.02, except to
     increase any percentage referred to therein, or make any change in Section
     6.07;

          (8)  make any change that adversely affects the right to convert any
     Security (including the right to receive cash in lieu of Common Stock
     except as set forth in Section 9.01(4));


                                      65
<PAGE>
 
          (9)  make any change that adversely affects the right to require the
     Company to purchase the Securities in accordance with the terms thereof and
     this Indenture (including the right to receive cash if the Company has
     elected to pay cash upon such purchase);

          (10) make any change to the provisions of this Indenture relating to
     the purchase of Securities at the option of the Holder pursuant to Section
     3.08 or 3.09 which change would result in a violation of applicable federal
     or state securities laws (including positions of the SEC under applicable
     no-action letters), whether as a result of the exercise or performance of
     any rights or obligations under such provisions or otherwise;

          (11) modify the provisions of this Indenture relating to the
     subordination of the Securities in a manner adverse to the Holders of the
     Securities; or

          (12) impair the right to institute suit for the enforcement of any
     payment with respect to, or conversion of, the Securities.

     It shall not be necessary for the consent of the Holders under this Section
9.02 to approve the particular form of any proposed amendment, but it shall be
sufficient if such consent approves the substance thereof.

     An amendment under this Section 9.02 or Section 9.01 may not make any
change that adversely affects the rights under Article X of any holder of Senior
Indebtedness then outstanding unless the requisite holders of such Senior
Indebtedness consent to such change pursuant to the terms of such Senior
Indebtedness.

     After an amendment under this Section 9.02 becomes effective, the Company
shall mail to each Holder a notice briefly describing the amendment.

      SECTION 9.03.  COMPLIANCE WITH TRUST INDENTURE ACT.  Every supplemental
                     -----------------------------------                     
indenture executed pursuant to this Article IX shall comply with the TIA as then
in effect.

      SECTION 9.04.  REVOCATION AND EFFECT OF CONSENTS, WAIVERS AND ACTIONS.
                     ------------------------------------------------------  
Until an amendment or waiver becomes effective, a consent to it or any other
action by a Holder of a Security hereunder is a continuing consent by the Holder
and every subsequent Holder of that Security or portion of the Security that
evidences the same obligation as the consenting Holder's Security, even if
notation of the consent, waiver or 

                                      65
<PAGE>
 
action is not made on the Security. However, any such Holder or subsequent
Holder may revoke the consent, waiver or action as to such Holder's Security or
portion of the Security if the Trustee receives the notice of revocation before
the date the amendment, waiver or action becomes effective. After an amendment,
waiver or action becomes effective, it shall bind every Securityholder, except
as provided in Section 9.02.

      SECTION 9.05.  NOTATION ON OR EXCHANGE OF SECURITIES.  Securities
                     -------------------------------------             
authenticated and delivered after the execution of any supplemental indenture
pursuant to this Article IX may, and shall if required by the Trustee, bear a
notation in form approved by the Trustee as to any matter provided for in such
supplemental indenture.  If the Company shall so determine, new Securities so
modified as to conform, in the opinion of the Trustee and the Company, to any
such supplemental indenture may be prepared and executed by the Company and
authenticated and delivered by the Trustee in exchange for outstanding
Securities.

      SECTION 9.06.  TRUSTEE TO SIGN SUPPLEMENTAL INDENTURES.  The Trustee shall
                     ---------------------------------------                    
sign any supplemental indenture authorized pursuant to this Article IX if the
amendment does not adversely affect the rights, duties, liabilities or
immunities of the Trustee.  If it does, the Trustee may, but need not, sign it.
In signing such amendment the Trustee shall be entitled to receive, and (subject
to the provisions of Section 7.01) shall be fully protected in relying upon, an
Officer's Certificate and an Opinion of Counsel stating that such amendment is
authorized or permitted by this Indenture.

      SECTION 9.07.  EFFECT OF SUPPLEMENTAL INDENTURES.  Upon the execution of
                     ---------------------------------                        
any supplemental indenture under this Article IX, this Indenture shall be
modified in accordance therewith, and such supplemental indenture shall form a
part of this Indenture for all purposes; and every Holder of Securities
theretofore or thereafter authenticated and delivered hereunder shall be bound
thereby.


                                   ARTICLE X.

                                   CONVERSION


      SECTION 10.01.  CONVERSION PRIVILEGE.  A Holder of a Security may convert
                      --------------------                                     
such Security into shares of Common Stock at any time (subject to the limitation
described in Section 3.03(e)) during the period stated in paragraph 8 of the
Securities.  The number of shares of Common Stock issuable upon conversion of a
Security per $1,000 of Principal Amount thereof (the "Conversion Rate") shall be
                                                      ---------------           
that set forth in paragraph 8 in the Securities, subject to adjustment as herein
set forth.


                                      66
<PAGE>
 
     The Holders' right to convert Securities into shares of Common Stock is
subject to the Company's right to elect to instead pay such Holder the amount of
cash set forth in the next succeeding sentence, in lieu of delivering such
shares of Common Stock; provided, however, that if such payment of cash is not
                        --------  -------                                     
permitted pursuant to the provisions of this Indenture or the provisions of any
other agreement or instrument to which the Company is a party or by which it is
bound or otherwise, the Company shall deliver shares of Common Stock (and cash
in lieu of fractional shares of Common Stock) in accordance with this Article X,
whether or not the Company has delivered a notice pursuant to Section 10.02 to
the effect that the Securities would be paid in cash.  The amount of cash to be
paid pursuant to Section 10.02 for each per $1,000 Principal Amount of a
Security upon conversion shall be equal to the Sale Price of a share of Common
Stock on the Trading Day immediately prior to the related Conversion Date
multiplied by the Conversion Rate in effect on such Trading Day.

     The Company shall not pay cash in lieu of delivering shares of Common Stock
upon the conversion of any Security pursuant to the terms of this Article X
(other than cash in lieu of fractional shares pursuant to Section 10.03) (i) if
there has occurred (prior to, on or after, as the case may be, the Conversion
Date or the date on which the Company delivers its notice of whether such
Security shall be converted into shares of Common Stock or cash pursuant to
Section 10.02) and is continuing an Event of Default (other than a default in
such payment on such Securities), provided, however, that this sentence shall
                                  --------  -------                          
not apply in the event that an Event of Default occurs after such cash is paid.

     "Average Sale Price" means the average of the Sale Prices of the Common
      ------------------                                                    
Stock for the shorter of:

          (i)    30 consecutive Trading Days ending on the last full Trading Day
     prior to the Time of Determination with respect to the rights, options,
     warrants or distribution in respect of which the Average Sale Price is
     being calculated, or

          (ii)   the period (x) commencing on the date next succeeding the first
     public announcement of (a) the issuance of rights, options or warrants or
     (b) the distribution, in each case, in respect of which the Average Sale
     Price is being calculated and (y) proceed  ing through the last full
     Trading Day prior to the Time of Determination with respect to the rights,
     warrants or distribution in respect of which the Average Sale Price is
     being calculated, or

          (iii)  the period, if any, (x) commencing on the date next succeeding
     the Ex-Dividend Time with respect to the next preceding (a) issuance of
     rights, warrants, or options or (b) distribution, in each case, for which
     an adjustment is required by the 

                                      67
<PAGE>
 
     provisions of Section 10.06(4), 10.07 or 10.08 and (y) proceeding through
     the last full Trading Day prior to the Time of Determination with respect
     to the rights, warrants, or options or distribution in respect of which the
     Average Sale Price is being calculated.

     If the Ex-Dividend Time (or in the case of a subdivision, combination or
reclassification, the effective date with respect thereto) with respect to a
dividend, subdivision, combination or reclassification to which Section
10.06(1), (2), (3) or (5) applies occurs during the period applicable for
calculating "Average Sale Price" pursuant to the definition in the preceding
sentence, "Average Sale Price" shall be calculated for such period in a manner
determined in good faith by the Board of Directors to reflect the impact of such
dividend, subdivision, combination or reclassification on the Sale Price of the
Common Stock during such period.

     "Time of Determination" means the time and date of the earlier of (i) the
      ---------------------                                                   
determination of stockholders entitled to receive rights, warrants, or options
or a distribution, in each case, to which Sections 10.07 and 10.08 apply and
(ii) the time ("Ex-Dividend Time") immediately prior to the commencement of "ex-
                ----------------                                               
dividend" trading for such rights, options, warrants or distribution on the New
York Stock Exchange or such other national or regional exchange or market on
which the shares of the Common Stock are then listed or quoted.

      SECTION 10.02.  CONVERSION PROCEDURE.  To convert a Security a Holder must
                      --------------------                                      
satisfy the requirements in paragraph 8 of the Securities. The date on which the
Holder satisfies all those requirements is the conversion date (the "Conversion
                                                                     ----------
Date").  Within two Business Days following the Conversion Date, the Company
- ----                                                                        
shall deliver to the Holder, through the Conversion Agent, written notice of
whether such Security shall be converted into shares of Common Stock or paid in
cash.  If the Company shall have notified the Holder that such Security shall be
converted into shares Common Stock, the Company shall deliver to the Holder no
later than the seventh Business Day following the Conversion Date a certificate
for the number of full shares of Common Stock issuable upon the conversion and
cash in lieu of any fractional share determined pursuant to Section 10.03.
Except as provided in Section 10.01, if the Company shall have notified the
Holder that such Security shall be paid in cash, the Company shall deliver to
the Holder surrendering such Security the amount of cash payable with respect to
such Security on the fifth Business Day following such Conversion Date.  Except
as provided in Section 10.01, the Company may not change its election with
respect to the consideration to be delivered upon conversion of a Security once
the Company has notified the Holder in accordance with this paragraph.

     The person in whose name the certificate is registered shall be treated as
a stockholder of record on and after the Conversion Date; provided, however,
                                                          --------  ------- 
that no surrender of a Security 

                                      68
<PAGE>
 
on any date when the stock transfer books of the Company shall be closed shall
be effective to constitute the person or persons entitled to receive the shares
of Common Stock upon such conversion as the record holder or holders of such
shares of Common Stock on such date, but such surrender shall be effective to
constitute the person or persons entitled to receive such shares of Common Stock
as the record holder or holders thereof for all purposes at the close of
business on the next succeeding day on which such stock transfer books are open;
provided further, that such conversion shall be at the Conversion Rate in effect
- -------- -------
on the date that such Security shall have been surrendered for conversion, as if
the stock transfer books of the Company had not been closed. Upon conversion of
a Security, such person shall no longer be a Holder of such Security.

     Holders may surrender a Security for conversion by means of book entry
delivery in accordance with paragraph 8 of the Securities and the regulations of
the applicable book entry facility.

     No payment or adjustment will be made for dividends on any Common Stock
except as provided in this Article X.  On conversion of a Security, that portion
of accrued Original Issue Discount (or interest, if the Company has exercised
its option provided for in Section 12.01) attributable to the period from the
Issue Date (or, if the Company has exercised the option provided for in Section
12.01, the later of (x) the date of such exercise and (y) the date on which
interest was last paid) to the Conversion Date with respect to the converted
Security shall not be cancelled, extinguished or forfeited, but rather shall be
deemed to be paid in full to the Holder thereof through delivery of the Common
Stock in exchange for the Security being converted pursuant to the terms hereof,
and the fair market value of such Common Stock (together with any cash payment
in lieu of fractional shares of Common Stock) shall be treated as issued,  to
the extent thereof, first in exchange for the Original Issue Discount accrued
through the Conversion Date, and the balance, if any, of such fair market value
of such shares of Common Stock (and any such cash payment) shall be treated as
issued in exchange for the Issue Price of the Security being converted pursuant
to the provisions hereof.

     If the Holder converts more than one Security at the same time, the number
of shares of Common Stock issuable upon the conversion shall be computed based
on the total Principal Amount of the Securities converted.

     Upon surrender of a Security that is converted in part, the Company shall
execute, and the Trustee shall authenticate and deliver to the Holder, a new
Security in an authorized denomination equal in Principal Amount to the
unconverted portion of the Security surrendered.


                                      69
<PAGE>
 
     If the last day on which a Security may be converted is a Legal Holiday in
a place where the Conversion Agent is located, the Security may be surrendered
to such Conversion Agent on the next succeeding day that is not a Legal Holiday.

      SECTION 10.03.  FRACTIONAL SHARES.  The Company will not issue a
                      -----------------                               
fractional share of Common Stock upon conversion of a Security.  Instead, the
Company will deliver cash for the current market value of the fractional share.
The current market value of a fractional share shall be determined to the
nearest 1/1,000th of a share by multiplying the Sale Price, on the last Trading
Day prior to the Conversion Date, of a full share by the fractional amount and
rounding the product to the nearest whole cent.

      SECTION 10.04.  TAXES ON CONVERSION.  If a Holder converts a Security, the
                      -------------------                                       
Company shall pay any documentary, stamp or similar issue or transfer tax due on
the issue of shares of Common Stock upon such conversion.  The Holder, however,
shall pay any such tax that is due because the Holder requests the shares to be
issued in a name other than the Holder's name.  The Conversion Agent may refuse
to deliver the certificates representing the Common Stock being issued in a name
other than the Holder's name until the Conversion Agent receives a sum
sufficient to pay any tax which will be due because the shares are to be issued
in a name other than the Holder's name.  Nothing herein shall preclude any tax
withholding required by law or regulations.

      SECTION 10.05.  COMPANY TO PROVIDE STOCK.  The Company shall, prior to
                      ------------------------                              
issuance of any Securities hereunder, and from time to time as may be necessary,
reserve out of its authorized but unissued Common Stock a sufficient number of
shares of Common Stock to permit the conversion of the Securities for shares of
Common Stock.

     All shares of Common Stock delivered upon conversion of the Securities
shall be newly issued shares or treasury shares, shall be duly and validly
issued and fully paid and nonassessable and shall be free from preemptive rights
and free of any lien or adverse claim.

     The Company will endeavor promptly to comply with all Federal and state
securities laws regulating the offer and delivery of shares of Common Stock upon
conversion of Securities, if any, and will list or cause to have quoted such
shares of Common Stock on each national securities exchange or in the over-the-
counter market or such other market on which the Common Stock is then listed or
quoted.

     SECTION 10.06.  ADJUSTMENT FOR CHANGE IN CAPITAL STOCK.  If, after the
                     --------------------------------------                
Issue Date, the Company:


                                      70
<PAGE>
 
          (1)  pays a dividend or makes a distribution on its Common Stock in
     shares of its Common Stock;

          (2)  subdivides its outstanding shares of Common Stock into a greater
     number of shares;

          (3)  combines its outstanding shares of Common Stock into a smaller
     number of shares;

          (4)  pays a dividend or makes a distribution on its Common Stock in
     shares of its Capital Stock (other than Common Stock or rights, warrants or
     options for its Capital Stock); or

          (5)  issues by reclassification of its Common Stock any shares of its
     Capital Stock (other than rights, warrants or options for its Capital
     Stock),

then the conversion privilege and the Conversion Rate in effect immediately
prior to such action shall be adjusted so that the Holder of a Security
thereafter converted may receive the number of shares or other units of Capital
Stock of the Company which such Holder would have owned immediately following
such action if such Holder had converted the Security immediately prior to such
action.

     The adjustment shall become effective immediately after the record date in
the case of a dividend or distribution and immediately after the effective date
in the case of a subdivision, combination or reclassification.

     If after an adjustment a Holder of a Security upon conversion of such
Security may receive shares or other units of two or more classes or series of
Capital Stock of the Company, the Conversion Rate shall thereafter be subject to
adjustment upon the occurrence of an action taken with respect to any such class
or series of Capital Stock as is contemplated by this Article X with respect to
the Common Stock, on terms comparable to those applicable to Common Stock in
this Article X.

     SECTION 10.07.  ADJUSTMENT FOR RIGHTS ISSUE.  If, after the Issue Date, the
                     ---------------------------                                
Company distributes any rights, warrants or options to all holders of its Common
Stock entitling them, for a period expiring within 60 days after the record date
for such distribution, to purchase shares of Common Stock at a price per share
less than the Sale Price as of the Time of Determination, the Conversion Rate
shall be adjusted in accordance with the formula:


                                      72
<PAGE>
 
                                   (0 + N)
                                -------------
                        R' = R  x 0 + (N x P)
                                       ----- 
                                        M

where:

     R' = the adjusted Conversion Rate.

     R  = the current Conversion Rate.

     0  = the number of shares of Common Stock outstanding on the record date
          for the distribution to which this Section 10.07 is being applied.

     N  = the number of additional shares of Common Stock offered pursuant to
          the distribution.

     P  = the offering price per share of such additional shares.

     M =  the Average Sale Price, minus, in the case of (i) a distribution to
                                  -----                                      
          which Section 10.06(4) applies or (ii) a distribution to which Section
          10.08 applies, for which, in each case, (x) the record date shall
          occur on or before the record date for the distribution to which this
          Section 10.07 applies and (y) the Ex-Dividend Time shall occur on or
          after the date of the Time of Determination for the distribution to
          which this Section 10.07 applies, the fair market value (on the record
          date for the distribution to which this Section 10.07 applies) of:

               (1) the Capital Stock of the Company distributed in respect of
          each share of Common Stock in such Section 10.06(4) distribution, and

               (2) the assets of the Company or debt securities or any rights,
          warrants or options to purchase securities of the Company distributed
          in respect of each share of Common Stock in such Section 10.08
          distribution.

The Board of Directors shall determine fair market values in good faith for the
purposes of this Section 10.07.

     The adjustment shall become effective immediately after the record date for
the determination of shareholders entitled to receive the rights, warrants or
options to which this Section 10.07 applies.


                                      72
<PAGE>
 
     No adjustment shall be made under this Section 10.07 if the application of
the formula stated above in this Section 10.07 would result in value of R' that
is equal to or less than the value of R.

      SECTION 10.08.  ADJUSTMENT FOR OTHER DISTRIBUTIONS.  If, after the Issue
                      ----------------------------------                      
Date, the Company distributes to all holders of its Common Stock any of its
assets or debt securities or any rights, warrants or options to purchase
securities of the Company (including securities or cash, but excluding (x)
distributions of Capital Stock referred to in Section 10.06 and distributions of
rights, warrants or options referred to in Section 10.07 and (y) cash dividends
or other cash distributions that are paid out of consolidated current net
earnings or earned surplus as shown on the books of the Company, unless such
cash dividends or other cash distributions are Extraordinary Cash Dividends, the
Conversion Rate shall be adjusted, subject to the provisions of the last
paragraph of this Section 10.08, in accordance with the formula:


                              M
                             ----
                    R' = R  x M-F
 
where:

     R' = the adjusted Conversion Rate.

     R  = the current Conversion Rate.

     M  = the Average Sale Price, minus, in the case of a distribution to which
                                  -----                                        
          Section 10.06(4) applies for which (i) the record date shall occur on
          or before the record date for the distribution to which this Section
          10.08 applies and (ii) the Ex-Dividend Time shall occur on or after
          the date of the Time of Determination for the distribution to which
          this Section 10.08 applies, the fair market value (on the record date
          for the distribution to which this Section 10.08 applies) of any
          Capital Stock of the Company distributed in respect of each share of
          Common Stock in such Section 10.06(4) distribution.

     F  = the fair market value (on the record date for the distribution to
          which this Section 10.08 applies) of the assets, securities, rights,
          warrants or options to be distributed in respect of each share of
          Common Stock in the distribution to which this Section 10.08 is being
          applied (including, in the case of cash dividends or other cash
          distributions giving rise to an adjustment, all such cash distributed
          concurrently).


                                      73
<PAGE>
 
The Board of Directors shall determine fair market values for the purpose of
this Section 10.08.

     The adjustment shall become effective immediately after the record date for
the determination of shareholders entitled to receive the distribution to which
this Section 10.08 applies.

     For purposes of this Section 10.08, the term "Extraordinary Cash Dividend"
                                                   --------------------------- 
shall mean any cash dividend with respect to the Common Stock the amount of
which, together with the aggregate amount of cash dividends on the Common Stock
to be aggregated with such cash dividend in accordance with the provisions of
this paragraph, equals or exceeds the threshold percentages set forth in items
(i) or (ii) below:

          (i)  If, upon the date prior to the Ex-Dividend Time with respect to a
     cash dividend on the Common Stock, the aggregate amount of such cash
     dividend together with the amounts of all cash dividends on the Common
     Stock with Ex-Dividend Times occurring in the eighty-five (85) consecutive
     day period ending on the date prior to the Ex-Dividend Time with respect to
     the cash dividend to which this provision is being applied equals or
     exceeds 12.5% of the average of the Sale Prices during the period beginning
     on the date after the first such Ex-Dividend Time in such period and ending
     on the date prior to the Ex-Dividend Time with respect to the cash dividend
     to which this provision is being applied (except that if no other cash
     dividend has had an Ex-Dividend Time occurring in such period, the period
     for calculating the average of the Sale Prices shall be the period
     commencing 85 days prior to the date prior to the Ex-Dividend Time with
     respect to the cash dividend to which this provision is being applied),
     such cash dividend together with each other cash dividend with an Ex-
     Dividend Time occurring in such 85-day period shall be deemed to be an
     Extraordinary Cash Dividend and for purposes of applying the formula set
     forth above in this Section 10.08, the value of "F" shall be equal to (w)
     the aggregate amount of such cash dividend together with the amounts of the
     other cash dividends with Ex-Dividend Times occurring in such period minus
                                                                          -----
     (x) the aggregate amount of such other cash dividends with Ex-Dividend
     Times occurring in such period for which a prior adjustment in the
     Conversion Rate was previously made under this Section 10.08.

         (ii) If upon the date prior to the Ex-Dividend Time with respect to a
     cash dividend on the Common Stock, the aggregate amount of such cash
     dividend, together with the amounts of all cash dividends on the Common
     Stock with Ex-Dividend Times occurring in the 365-consecutive-day period
     ending on the date prior to the Ex-Dividend Time with respect to the cash
     dividend to which this provision is being applied equals or 

                                      74
<PAGE>
 
     exceeds 25% of the average of the Sale Prices during the period beginning
     on the date after the first such Ex-Dividend Time in such period and ending
     on the date prior to the Ex-Dividend Time with respect to the cash dividend
     to which this provision is being applied (except that if no other cash
     dividend has had an Ex-Dividend Time occurring in such period, the period
     for calculating the average of the Sale Prices shall be the period
     commencing 365 days prior to the date prior to the Ex-Dividend Time with
     respect to the cash dividend to which this provision is being applied),
     such cash dividend together with each other cash dividend with an Ex-
     Dividend Time occurring in such 365-day period shall be deemed to be an
     Extraordinary Cash Dividend and for purposes of applying the formula set
     forth above in this Section 10.08, the value of "F" shall be equal to (y)
     the aggregate amount of such cash dividend together with amounts of the
     other cash dividends with Ex-Dividend Times occurring in such period minus
                                                                          -----
     (z) the aggregate amount of such other cash dividends with Ex-Dividend
     Times occurring in such period for which a prior adjustment in the
     Conversion Rate was previously made under this Section 10.08.

     In the event that, with respect to any distribution to which this Section
10.08 would otherwise apply, the difference "M-F" as defined in the above
formula is less than $1.00 or "F" is greater than "M", then the adjustment
provided by this Section 10.08 shall not be made and in lieu thereof the
provisions of Section 10.14 shall apply to such distribution.

     SECTION 10.09.  WHEN ADJUSTMENT MAY BE DEFERRED.  No adjustment in the
                     -------------------------------                       
Conversion Rate need be made unless the adjustment would require an increase or
decrease of at least 1% (e.g., if the Conversion Rate is 4, an increase or
                         ---                                              
decrease of .04 (1% of 4)) in the Conversion Rate.  Any adjustments that are not
made shall be carried forward and taken into account in any subsequent
adjustment.

     All calculations under this Article X shall be made to the nearest cent or
to the nearest 1/1,000th of a share, as the case may be, with one-half of a cent
and 5/10,000ths of a share being rounded upwards.

     SECTION 10.10.  WHEN NO ADJUSTMENT REQUIRED.  No adjustment need be made
                     ---------------------------                             
for a transaction referred to in Section 10.06, 10.07, 10.08 or 10.14 if
Securityholders are to participate in the transaction on a basis and with notice
that the Board of Directors determines to be fair and appropriate in light of
the basis and notice on which holders of Common Stock participate in the
transaction.

     No adjustment need be made for rights to purchase Common Stock pursuant to
a Company plan for reinvestment of dividends or interest.


                                      75
<PAGE>
 
     No adjustment need be made for a change in the par value or no par value of
the Common Stock.

     To the extent the Securities become convertible into cash pursuant to the
terms of Section 10.06, 10.07, 10.08 or 10.14, no adjustment need be made
thereafter as to the cash.  Interest will not accrue on the cash.

     Notwithstanding any provision to the contrary in this Indenture, no
adjustment shall be made in the Conversion Rate to the extent, but only to the
extent, such adjustment results in the following quotient being less than the
par value of the Common Stock:  (i) the Issue Price plus accrued Original Issue
Discount as of the date such adjustment would otherwise be effective divided by
(ii) the Conversion Rate as so adjusted.

     SECTION 10.11.  NOTICE OF ADJUSTMENT.  Whenever the Conversion Rate is
                     --------------------                                  
adjusted, the Company shall file with the Trustee and the Conversion Agent a
notice of such adjustment and a certificate from the Company's independent
public accountants briefly stating the facts requiring the adjustment and the
manner of computing it.  The Conversion Agent will promptly mail such notice to
Securityholders at the Company's expense.  The certificate shall be conclusive
evidence that the adjustment is correct.  Neither the Trustee nor any Conversion
Agent shall be under any duty or responsibility with respect to any such
certificate except to exhibit the same to any Holder desiring inspection
thereof.

     SECTION 10.12.  VOLUNTARY INCREASE.  The Company from time to time may
                     ------------------                                    
increase the Conversion Rate by any amount and for any period of time (provided
                                                                       --------
that such period is not less than 20 Business Days).  Whenever the Conversion
Rate is increased, the Company shall mail to Securityholders and file with the
Trustee and the Conversion Agent a notice of the increase. The Company shall
mail the notice at least 15 days before the date the increased Conversion Rate
takes effect.  The notice shall state the increased Conversion Rate and the
period it will be in effect.

     A voluntary increase of the Conversion Rate does not change or adjust the
Conversion Rate otherwise in effect for purposes of Sections 10.06, 10.07 or
10.08.

     SECTION 10.13.  NOTICE OF CERTAIN TRANSACTIONS.  If:
                     ------------------------------      

          (1)  the Company takes any action that would require an adjustment in
     the Conversion Rate pursuant to Section 10.06, 10.07 or 10.08 (unless no
     adjustment is to occur pursuant to Section 10.10); or


                                      76
<PAGE>
 
          (2)  the Company takes any action that would require a supplemental
     indenture pursuant to Section 10.14; or

          (3)  there is a liquidation or dissolution of the Company;

then the Company shall mail to Securityholders and file with the Trustee and the
Conversion Agent a notice stating the proposed record date for a dividend or
distribution of the proposed effective date of a subdivision, combination,
reclassification, consolidation, merger, binding share exchange, transfer,
liquidation or dissolution.  The Company shall file and mail the notice at least
15 days before such date.  Failure to file or mail the notice or any defect in
it shall not affect the validity of the transaction.

     SECTION 10.14.  REORGANIZATION OF COMPANY; SPECIAL DISTRIBUTIONS.  If the
                     ------------------------------------------------         
Company is a party to a transaction subject to Section 5.01 (other than a sale
of all or substan  tially all of the assets of the Company in a transaction in
which the holders of Common Stock immediately prior to such transaction do not
receive securities, cash or other assets of the Company or any other person) or
a merger or binding share exchange which reclassifies or changes its outstanding
Common Stock, the person obligated to deliver securities, cash or other assets
upon conversion of Securities shall enter into a supplemental indenture.  If the
issuer of securities deliverable upon conversion of Securities is an Affiliate
of the successor Company, that issuer shall join in the supplemental indenture.

     The supplemental indenture shall provide that the Holder of a Security may
convert it into the kind and amount of securities, cash or other assets which
such Holder would have received immediately after the consolidation, merger,
binding share exchange or transfer if such Holder had converted the Security
immediately before the effective date of the transaction, assuming (to the
extent applicable) that such Holder (i) was not a constituent person or an
Affiliate of a constituent person to such transaction; (ii) made no election
with respect thereto; and (iii) was treated alike with the plurality of non-
electing Holders.  The supplemental indenture shall provide for adjustments
which shall be as nearly equivalent as may be practical to the adjustments
provided for in this Article X.  The successor Company shall mail to
Securityholders a notice briefly describing the supplemental indenture.
 
     If this Section 10.14 applies, neither Section 10.06 nor 10.07 shall apply.

     If the Company makes a distribution to all holders of its Common Stock of
any of its assets, or debt securities or any rights, warrants or options to
purchase securities of the Company that, but for the provisions of the last
paragraph of Section 10.08, would otherwise result in an adjustment in the
Conversion Rate pursuant to the provisions of Section 10.08,


                                      77
<PAGE>
 
then, from and after the record date for determining the holders of Common Stock
entitled to receive the distribution, a Holder of a Security that converts such
Security in accordance with the provisions of this Indenture shall upon such
conversion be entitled to receive, in addition to the shares of Common Stock
into which the Security is convertible, the kind and amount of securities, cash
or other assets comprising the distribution that such Holder would have received
if such Holder had converted the Security immediately prior to the record date
for determining the holders of Common Stock entitled to receive the
distribution.

      SECTION 10.15.  COMPANY DETERMINATION FINAL.  Any determination that the
                      ---------------------------                             
Company or the Board of Directors must make pursuant to this Article X is
conclusive.

     SECTION 10.16.  TRUSTEE'S ADJUSTMENT DISCLAIMER.  The Trustee has no duty
                     -------------------------------                          
to determine when an adjustment under this Article 10 should be made, how it
should be made or what it should be.  The Trustee has no duty to determine
whether a supplemental indenture under Section 10.14 need be entered into or
whether any provisions of any supplemental indenture are correct.  The Trustee
shall not be accountable for and makes no representation as to the validity or
value of any securities or assets issued upon conversion of Securities.  The
Trustee shall not be responsible for the Company's failure to comply with this
Article X.  Each Conversion Agent (other than the Company or an Affiliate of the
Company) shall have the same protection under this Section 10.16 as the Trustee.

     SECTION 10.17.  SIMULTANEOUS ADJUSTMENTS.  If this Article X requires
                     ------------------------                             
adjustments to the Conversion Rate under more than one of Sections 10.06(4),
10.07 or 10.08, and the record dates for the distributions giving rise to such
adjustments shall occur on the same date, then such adjustments shall be made by
applying, first, the provisions of Section 10.06, second, the provisions of
Section 10.08 and, third, the provisions of Section 10.07.

     SECTION 10.18.  SUCCESSIVE ADJUSTMENTS.  After an adjustment to the
                     ----------------------                             
Conversion Rate under this Article X, any subsequent event requiring an
adjustment under this Article X shall cause an adjustment to the Conversion Rate
as so adjusted.


                                  ARTICLE XI.

                                 SUBORDINATION


      SECTION 11.01.  SECURITIES SUBORDINATE TO SENIOR INDEBTEDNESS.  The
                      ---------------------------------------------      
Company covenants and agrees, and each Holder of a Security, by his acceptance
thereof, likewise 

                                      78
<PAGE>
 
covenants and agrees, that, to the extent and in the manner hereinafter set
forth in this Article XI, the indebtedness represented by the Securities and the
payment of the Principal Amount, Issue Price, accrued Original Issue Discount,
Redemption Price, cash in respect of Purchase Price, cash in respect of a
conversion, Change in Control Purchase Price and interest, if any, in respect of
each and all of the Securities are hereby expressly made subordinate and subject
in right of payment to the prior payment in full of all Senior Indebtedness.

      SECTION 11.02.  PAYMENT OVER OF PROCEEDS UPON DISSOLUTION, ETC.  Upon any
                      -----------------------------------------------          
distribution of assets of the Company in the event of

          (a) any insolvency or bankruptcy case or proceeding, or any
     receivership, liquidation, reorganization or other similar case or
     proceeding in connection therewith, relative to the Company or to its
     creditors, as such, or to its assets, or

          (b) any liquidation, dissolution or other winding up of the Company,
     whether voluntary or involuntary and whether or not involving insolvency or
     bankruptcy, or

          (c) any assignment for the benefit of creditors or any other
     marshalling of assets and liabilities of the Company,

then and in any such event the holders of Senior Indebtedness shall be entitled
to receive

               (1) payment in full of all amounts due or to become due on or in
          respect of all Senior Indebtedness, or provision shall be made for
          such payment in money or money's worth, before the Holders of the
          Securities are entitled to re  ceive any payment (other than Permitted
          Junior Securities) on account of the Principal Amount, Issue Price,
          accrued Original Issue Discount, Redemption Price, cash in respect of
          the Purchase Price, cash in respect of a conversion, Change in Control
          Purchase Price or interest, if any, in respect of the Securities, and

               (2) any payment or distribution of any kind or character, whether
          in cash, property or securities (other than Permitted Junior
          Securities), which may be payable or deliverable in respect of the
          Securities in any such case, proceeding, dissolution, liquidation or
          other winding up or event, including any such payment or distribution
          which may be payable or deliverable by reason of the payment of any
          other indebtedness of the Company being subordinated to the payment of
          the Securities.


                                      79
<PAGE>
 
     In the event that, notwithstanding the foregoing provisions of this Section
11.02, the Trustee or the Holder of any Security shall have received any payment
or distribution of assets of the Company of any kind or character, whether in
cash, property or securities (other than Permitted Junior Securities), including
any such payment or distribution which may be payable or deliverable by reason
of the payment of any other indebtedness of the Company being subordinated to
the payment of the Securities, before all Senior Indebtedness is paid in full or
payment thereof provided for, and if such fact shall, at or prior to the time of
such payment or distribution, have been made known to the Trustee or, as the
case may be, such Holder, then in such event such payment or distribution shall
be paid over or delivered forthwith to the trustee in bankruptcy, receiver,
liquidating trustee, Custodian, assignee, agent or other Person making payment
or distribution of assets of the Company for application to the payment of all
Senior Indebtedness remaining unpaid, to the extent necessary to pay all Senior
Indebtedness in full, after giving effect to any concurrent payment or
distribution to or for the holders of Senior Indebtedness.

     The consolidation of the Company with, or the merger of the Company into,
another person or the liquidation or dissolution of the Company following the
conveyance or transfer of its properties and assets substantially as an entirety
to another person upon the terms and conditions set forth in Article V shall not
be deemed a dissolution, winding up, liquidation, reorganization, assignment for
the benefit of creditors or marshalling of assets and liabilities of the Company
for the purposes of this Section 11.02 if the person formed by such
consolidation or into which the Company is merged or the person which acquires
by conveyance or transfer such properties and assets substantially as an
entirety, as the case may be, shall as part of such consolidation, merger,
conveyance or transfer, comply with the conditions set forth in Article V.

      SECTION 11.03.  PAYMENT PERMITTED IF NO DEFAULT.  Nothing contained in
                      -------------------------------                       
this Article XI or elsewhere in this Indenture or in any of the Securities shall
prevent (a) the Company, at any time except during the pendency of any case,
proceeding, dissolution, liquidation or other winding up, assignment for the
benefit of creditors or other marshalling of assets and liabilities of the
Company referred to in Section 11.02, from making the Conversion Payment or from
making payments at any time of Principal Amount, Issue Price, accrued Original
Issue Discount, Redemption Price, Purchase Price, Change in Control Purchase
Price or interest, if any, as the case may be, in respect of the Securities, or
(b) the application by the Trustee of any money deposited with it hereunder to
the Conversion Payment or payment of or on account of the Princi  pal Amount,
Issue Price, accrued Original Issue Discount, Redemption Price, Purchase Price,
Change in Control Purchase Price or interest, if any, as the case may be, in
respect of the Securities or the retention of such payment by the Holders of the


                                      80
<PAGE>
 
Securities, if, at the time of such application by the Trustee, the Trustee did
not have actual knowledge that such payment would have been prohibited by the
provisions of this Article XI.

      SECTION 11.04.  SUBROGATION TO RIGHTS OF HOLDERS OF SENIOR INDEBTEDNESS.
                      -------------------------------------------------------  
Subject to payment in full of all Senior Indebtedness, the Holders of the
Securities shall be subrogated to the extent of the payments or distributions
made to the holders of such Senior Indebtedness pursuant to the provisions of
this Article XI (equally and ratably with the holders of all indebtedness of the
Company which by its express terms is subordinated to indebtedness of the
Company to substantially the same extent as the Securities are subordinated and
is entitled to like rights of subrogation) to the rights of the holders of such
Senior Indebtedness to receive payments or distributions of cash, property and
securities applicable to the Senior Indebtedness until the Principal Amount,
Issue Price, accrued Original Issue Discount, Redemption Price, Purchase Price,
Conversion Payment, Change in Control Purchase Price or interest, if any, as the
case may be, in respect of the Securities shall be paid in full.  For purposes
of such subrogation, no payments or distributions to the holders of the Senior
Indebtedness of any cash, property or securities to which the Holders of the
Securities or the Trustee would be entitled except for the provisions of this
Article XI, and no payments over pursuant to the provisions of this Article XI
to the holders of Senior Indebtedness by Holders of the Securities or the
Trustee, shall, as among the Company, its creditors other than holders of Senior
Indebtedness and the Holders of the Securities, be deemed to be a payment or
distribution by the Company to or on account of the Senior Indebtedness.

      SECTION 11.05.  PROVISIONS SOLELY TO DEFINE RELATIVE RIGHTS.  The
                      -------------------------------------------      
provisions of this Article XI are and are intended solely for the purpose of
defining the relative rights of the Holders of the Securities, on the one hand,
and the holders of Senior Indebtedness, on the other hand. Nothing contained in
this Article XI or elsewhere in this Indenture or in the Securities is intended
to or shall (a) impair, as among the Company, its creditors other than holders
of Senior Indebtedness and the Holders of the Securities, the obligation of the
Company, which is absolute and unconditional (and which, subject to the rights
under this Article XI of the holders of Senior Indebtedness, is intended to rank
equally with all other general obligations of the Company), to pay to the
Holders of the Securities the Principal Amount, Issue Price, accrued Original
Issue Discount, Redemption Price, Purchase Price, Conversion Payment, Change in
Control Purchase Price or interest, if any, as the case may be, in respect of
the Securities as and when the same shall become due and payable in accordance
with the terms of the Securities and this Indenture; or (b) affect the relative
rights against the Company of the Holders of the Securities and creditors of the
Company other than the holders of Senior Indebtedness; or (c) prevent the
Trustee or the Holder of any Security from exercising all remedies otherwise
permitted by applicable law upon default under this Indenture, subject to the
rights, if any, under this Article XI of the holders of Senior 


                                      81
<PAGE>
 
Indebtedness to receive cash, property and securities otherwise payable or
deliverable to the Trustee or such Holder.

      SECTION 11.06.  TRUSTEE TO EFFECTUATE SUBORDINATION.  Each Holder of a
                      -----------------------------------                   
Security by his acceptance thereof authorizes and directs the Trustee on his
behalf to take such action as may be necessary or appropriate to effectuate the
subordination provided in this Article XI and appoints the Trustee his attorney-
in-fact for any and all such purposes.

      SECTION 11.07.  NO WAIVER OF SUBORDINATION PROVISIONS.  No right of any
                      -------------------------------------                  
present or future holder of any Senior Indebtedness to enforce subordination as
herein provided shall at any time in any way be prejudiced or impaired by any
act or failure to act on the part of the Company or by any act or failure to
act, in good faith, by any such holder, or by any non-compliance by the Company
with the terms, provisions and covenants of this Indenture, regardless of any
knowledge thereof any such holder may have or be otherwise charged with.

     Without in any way limiting the generality of the foregoing paragraph, the
holders of Senior Indebtedness may, at any time and from time to time, without
the consent of or notice to the Trustee or the Holders of the Securities,
without incurring responsibility to the Holders of the Securities and without
impairing or releasing the subordination provided in this Article XI or the
obligations hereunder of the Holders of the Securities to the holders of Senior
Indebtedness, do any one or more of the following: (i) change the manner, place
or terms of payment or extend the time of payment of, or renew or alter, Senior
Indebtedness, or otherwise amend or supplement in any manner Senior Indebtedness
or any instrument evidencing the same or any agreement under which Senior
Indebtedness is outstanding; (ii) sell, exchange, release or otherwise deal with
any property pledged, mortgaged or otherwise securing Senior Indebtedness; (iii)
release any Person liable in any manner for the collection of Senior
Indebtedness; and (iv) exercise or refrain from exercising any rights against
the Company and any other Person.

      SECTION 11.08.   RELIANCE ON JUDICIAL ORDER OR CERTIFICATE OF LIQUIDATING
                       --------------------------------------------------------
AGENT. Upon any payment or distribution of assets of the Company referred to in
- -----                                                                          
this Article XI, the Trustee and the Holders of the Securities shall be entitled
to rely upon any order or decree entered by any court of competent jurisdiction
in which such insolvency, bankruptcy, receivership, liquidation, reorganization,
dissolution, winding up or similar case or proceeding is pending, or a
certificate of the Trustee in bankruptcy, liquidating trustee, Custodian,
receiver, assignee for the benefit of creditors, agent or other Person making
such payment or distribution, delivered to the Trustee or to the Holders of
Securities, for the purpose of ascertaining the persons entitled to participate
in such payment or distribution, the holders of the Senior Indebtedness and
other indebtedness of the Company, the amount thereof or payable 

                                      82
<PAGE>
 
thereon, the amount or amounts paid or distributed thereon and all other facts
pertinent thereto or to this Article XI.

      SECTION 11.09.  TRUSTEE NOT FIDUCIARY FOR HOLDERS OF SENIOR INDEBTEDNESS.
                      --------------------------------------------------------  
The Trustee shall not be deemed to owe any fiduciary duty to the holders of
Senior Indebtedness and shall not be liable to any such holders if it shall in
good faith mistakenly pay over or distribute to Holders of Securities or to the
Company or to any other person cash, property or securities to which any holders
of Senior Indebtedness shall be entitled by virtue of this Article XI or
otherwise. The Trustee shall not be charged with knowledge of the existence of
Senior Indebtedness or of any facts that would prohibit any payment hereunder or
that would permit the resumption of any such payment unless a Responsible
Officer of the Trustee shall have received notice to that effect at the address
of the Trustee set forth in Section 13.02.  With respect to the holders of
Senior Indebtedness, the Trustee undertakes to perform or to observe only such
of its covenants or obligations as are specifically set forth in this Article XI
and no implied covenants or obligations with respect to holders of Senior
Indebtedness shall be read into this Indenture against the Trustee.

      SECTION 11.10.  RIGHTS OF TRUSTEE AS HOLDERS OF SENIOR INDEBTEDNESS;
                      ----------------------------------------------------
PRESERVATION OF TRUSTEE'S RIGHTS.  The Trustee in its individual capacity shall
- --------------------------------                                               
be entitled to all the rights set forth in this Article XI with respect to any
Senior Indebtedness which may at any time be held by it, to the same extent as
any other holder of Senior Indebtedness, and nothing in this Indenture shall
deprive the Trustee of any of its rights as such holder.

     Nothing in this Article XI shall apply to claims of, or payments to, the
Trustee under or pursuant to Section 7.07.

      SECTION 11.11.  ARTICLE XI APPLICABLE TO PAYING AGENTS.  In case at any
                      --------------------------------------                 
time any Paying Agent other than the Trustee shall have been appointed by the
Company and be then acting hereunder, the term "Trustee" as used in this Article
XI shall in such case (unless the context otherwise requires) be construed as
extending to and including such Paying Agent within its meaning as fully for all
intents and purposes as if such Paying Agent were named in this Article XI in
addition to or in place of the Trustee; provided, however, that Sections 11.09
                                        --------  -------                     
and 11.11 shall not apply to the Company or any Affiliate of the Company if it
or such Affiliate acts as Paying Agent.



                                      83
<PAGE>
 
                                  ARTICLE XII.

                          SPECIAL TAX EVENT CONVERSION


      SECTION 12.01.   OPTIONAL CONVERSION TO SEMIANNUAL COUPON NOTE UPON TAX
                       ------------------------------------------------------
EVENT. From and after the date (the "Tax Event Date") of the occurrence of a Tax
- -----                                --------------                             
Event, at the option of the Company, interest in lieu of future Original Issue
Discount shall accrue at 3.125% per annum on a principal amount per Security
(the "Restated Principal Amount") equal to the Issue Price plus Original Issue
      -------------------------                                               
Discount accrued to the date immediately prior to the Tax Event Date or the date
on which the Company exercises the option described herein, whichever is later
(such date, the "Option Exercise Date").  Such interest shall accrue from the
                 --------------------                                        
Option Exercise Date and shall be payable semiannually on April 14 and October
14 of each year (each an "Interest Payment Date") to holders of record at the
                          ---------------------                              
close of business on March 30 or September 29 (each a "Regular Record Date")
                                                       -------------------  
immediately preceding such Interest Payment Date.  Interest will be computed on
the basis of a 360-day year comprised of twelve 30-day months and will accrue
from the most recent date on which interest has been paid or, if no interest has
been paid, from the Option Exercise Date.  Within 15 days of the occurrence of a
Tax Event, the Company shall mail a written notice of such Tax Event by first-
class mail to the Trustee.

      SECTION 12.02.  PAYMENT OF INTEREST; INTEREST RIGHTS PRESERVED.
                      ---------------------------------------------- 

          (a) Interest on any Security that is payable, and is punctually paid
or duly provided for, on any Interest Payment Date shall be paid to the person
in whose name that Security is registered at the close of business on the
Regular Record Date for such interest at the office or agency of the Company
maintained for such purpose.  Each installment of interest on any Security shall
be paid in same-day funds by transfer to an account maintained by the payee
located inside the United States.  In the case of a permanent global Security,
interest payable on any Interest Payment Date will be paid to the Depositary,
Euroclear and/or CEDEL, as the case may be, with respect to that portion of such
permanent global Security held for its account by Cede & Co. or the London
office of a depositary, as the case may be, for the purpose of permitting such
party to credit the interest received by it in respect of such permanent global
Security to the accounts of the beneficial owners thereof.

          (b) Except as otherwise specified with respect to the Securities, any
interest on any Security that is payable, but is not punctually paid or duly
provided for, within 30 days following on any Interest Payment Date (herein
called "Defaulted Interest") shall forthwith cease to be payable to the
        ------------------                                             
registered Holder thereof on the relevant Regular Record Date by virtue of

                                      84
<PAGE>
 
having been such Holder, and such Defaulted Interest may be paid by the Company,
as its election in each case, as provided in clause (1) or (2) below:

          (1) The Company may elect to make payment of any Defaulted Interest to
     the per sons in whose names the Securities are registered at the close of
     business on a Special Record Date for the payment of such Defaulted
     Interest, which shall be fixed in the following manner. The Company shall
     notify the Trustee in writing of the amount of Defaulted Interest proposed
     to be paid on each Security and the date of the proposed payment (which
     shall not be less than 20 days after such notice is received by the
     Trustee), and at the same time the Company shall deposit with the Trustee
     an amount of money equal to the aggregate amount proposed to be paid in
     respect of such Defaulted Interest or shall make arrangements satisfactory
     to the Trustee for such deposit on or prior to the date of the proposed
     payment, such money when deposited to be held in trust for the benefit of
     the persons entitled to such Defaulted Interest as in this clause provided.
     Thereupon the Trustee shall fix a Special Record Date for the payment of
     such Defaulted Interest which shall be not more than 15 days and not less
     than ID days prior to the date of the proposed payment and not less than 10
     days after the receipt by the Trustee of the notice of the proposed
     payment. The Trustee shall promptly notify the Company of such Special
     Record Date and, in the name and at the expense of the Company, shall cause
     notice of the proposed payment of such Defaulted Interest and the Special
     Record Date therefor to be mailed, first-class postage prepaid, to each
     Holder of Securities at his address as it appears on the list of
     Securityholders maintained pursuant to Section 2.05 not less than 10 days
     prior to such Special Record Date. The Trustee may, in its discretion, in
     the name and at the expense of the Company, cause a similar notice to be
     published at least once in an Authorized Newspaper in each place of
     payment, but such publications shall not be a condition precedent to the
     establishment of such Special Record Date. Notice of the proposed payment
     of such Defaulted Interest and the Special Record Date therefor having been
     mailed as aforesaid, such Defaulted Interest shall be paid to the persons
     in whose names the Securities are registered at the close of business on
     such Special Record Date and shall no longer be payable pursuant to the
     following clause (2).

          (2) The Company may make payment of any Defaulted Interest on the
     Securities in any other lawful manner not inconsistent with the
     requirements of any securities exchange on which such Securities may be
     listed, and upon such notice as may be required by such exchange, if, after
     notice given by the Company to the Trustee of the proposed payment pursuant
     to this clause, such manner of payment shall be deemed practicable by the
     Trustee.


                                      85
<PAGE>
 
     Subject to the foregoing provisions of this Section and Section 2.06, each
Security delivered under this Indenture upon registration of transfer of or in
exchange for or in lieu of any other Security shall carry the rights to interest
accrued and unpaid, and to accrue, which were carried by such other Security.


                                 ARTICLE XIII.

                                 MISCELLANEOUS

     SECTION 13.01.   TRUST INDENTURE ACT CONTROLS.  If any provision of this
                      ----------------------------                           
Indenture limits, qualifies or conflicts with another provision which is
required to be included in this Indenture by the TIA, the provision required by
the TIA shall control.

     SECTION 13.02.  NOTICES.  Any notice or communication shall be in writing
                     -------                                                  
and delivered in person or mailed by first-class mail, postage prepaid,
addressed as follows:

if to the Company:

     Hewlett-Packard Company
     3000 Hanover Street
     Palo Alto, CA  94304
     Telephone:     (650) 857-1501
     Attention:     Treasurer

if to the Trustee:

     Chase Trust Company of California
     101 California Street
     Suite 2725
     San Francisco, CA  94111
     Telephone:     (415) 954-9525
     Attention:     Corporate Trust Department

     The Company or the Trustee by notice to the other may designate additional
or different addresses for subsequent notices or communications.


                                      86
<PAGE>
 
     Any notice or communication given to a Securityholder shall be mailed by
first-class mail to the Securityholder at the Securityholder's address as it
appears on the registration books of the Registrar and shall be sufficiently
given if so mailed within the time prescribed.

     Failure to mail a notice or communication to a Securityholder or any defect
in it shall not affect its sufficiency with respect to other Securityholders.
If a notice or communication is mailed in the manner provided above, it is duly
given, whether or not received by the addressee.

     If the Company mails a notice or communication to the Securityholders, it
shall mail a copy to the Trustee and each Registrar, Paying Agent, Conversion
Agent or co-registrar.

     SECTION 13.03.   COMMUNICATION BY HOLDERS WITH OTHER HOLDERS.
                      -------------------------------------------  
Securityholders may communicate pursuant to TIA Section 312(b) with other
Securityholders with respect to their rights under this Indenture or the
Securities.  The Company, the Trustee, the Registrar, the Paying Agent, the
Conversion Agent and anyone else shall have the protection of TIA Section
312(c).

     SECTION 13.04.  CERTIFICATE AND OPINION AS TO CONDITIONS PRECEDENT.  Upon
                     --------------------------------------------------       
any request or application by the Company to the Trustee to take any action
under this Indenture, the Trustee may require the Company to furnish either or
both of the following:

          (1)  an Officer's Certificate stating that, in the opinion of the
     principal signer thereof, all conditions precedent, if any, provided for in
     this Indenture relating to the proposed action have been complied with; and

          (2)  an Opinion of Counsel stating that, in the opinion of such
     counsel, all such conditions precedent have been complied with.

     SECTION 13.05.  STATEMENTS REQUIRED IN CERTIFICATE OR OPINION.  Each
                     ---------------------------------------------       
Officer's Certificate or Opinion of Counsel with respect to compliance with a
covenant or condition provided for in this Indenture shall include:

          (1)  a statement that the signer of such Officer's Certificate or
     Opinion of Counsel has read such covenant or condition;

          (2)  a brief statement as to the nature and scope of the examination
     or investigation upon which the statements or opinions contained in such
     Officer's Certificate or Opinion of Counsel are based;


                                      87
<PAGE>
 
          (3)  a statement that, in the opinion of the signer, he or she has
     made such examination or investigation as is necessary to enable such
     person to express an informed opinion as to whether or not such covenant or
     condition has been complied with; and

          (4)  a statement that, in the opinion of such person, such covenant or
     condition has been complied with.

     SECTION 13.06. SEPARABILITY CLAUSE.  In case any provision in this
                    -------------------                                
Indenture or in the Securities shall be invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions shall not in
any way be affected or impaired thereby.

     SECTION 13.07. RULES BY TRUSTEE, PAYING AGENT, CONVERSION AGENT AND
                    ----------------------------------------------------
REGISTRAR. The Trustee may make reasonable rules for action by or a meeting of
- ---------                                                                     
the Securityholders.  The Registrar, Conversion Agent and the Paying Agent may
make reasonable rules for their functions.

     SECTION 13.08. LEGAL HOLIDAY.  A "Legal Holiday" is any day other than a
                    -------------      -------------                         
Business Day.  If any specified date (including a date for giving notice) is a
Legal Holiday, the action shall be taken on the next succeeding day that is not
a Legal Holiday, and to the extent applicable no Original Issue Discount or
interest, if any, shall accrue for the intervening period.

     SECTION 13.09.  GOVERNING LAW.  THIS INDENTURE AND THE SECURITIES SHALL BE
                     -------------                                             
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK,
AS APPLIED TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT
REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

     SECTION 13.10.  NO RECOURSE AGAINST OTHERS.  A director, officer, employee
                     --------------------------                                
or stockholder, as such, of the Company shall not have any liability for any
obligations of the Company under the Securities or this Indenture or for any
claim based on, in respect of or by reason of such obligations or their
creation.  By accepting a Security, each Securityholder shall waive and release
all such liability.  The waiver and release shall be part of the consideration
for the issue of the Securities.

     SECTION 13.11.  SUCCESSORS.  All agreements of the Company in this
                     ----------                                        
Indenture and the Securities shall bind its successor.  All agreements of the
Trustee in this Indenture shall bind its successor.



                                      88
<PAGE>
 
     SECTION 13.12.   MULTIPLE ORIGINALS.  The parties may sign any number of
                      ------------------                                     
copies of this Indenture.  Each signed copy shall be an original, but all of
them together represent the same agreement.  One signed copy is enough to prove
this Indenture.

     SECTION 13.13. REGISTRATION RIGHTS.  Certain Holders of Securities may be
                    -------------------                                       
entitled to certain registration rights with respect to such Securities pursuant
to, and subject to the terms of, the Registration Rights Agreement.

     SECTION 13.14. SECTION REFERENCES.  All section references herein are to
                    ------------------                                       
sections of this Indenture unless specified otherwise.


                                      89
<PAGE>
 
                                   SIGNATURES

     IN WITNESS WHEREOF, the undersigned, being duly authorized, have executed
this Indenture on behalf of the respective parties hereto as of the date first
above written.


                              HEWLETT-PACKARD COMPANY



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


                              CHASE TRUST COMPANY OF CALIFORNIA



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


                                      90
<PAGE>
 
                                  EXHIBIT A-1
                                        
                              FORM OF FACE OF LYON

                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)


     FOR PURPOSES OF SECTIONS 1273 AND 1275 OF THE INTERNAL REVENUE CODE OF
1986, AS AMENDED, THE AMOUNT OF ORIGINAL ISSUE DISCOUNT WITH RESPECT TO EACH
$1,000 OF PRINCIPAL AMOUNT OF THIS SECURITY IS $462.15, THE ISSUE DATE IS
OCTOBER 14, 1997, AND THE YIELD TO STATED MATURITY IS 3.125% PER ANNUM (COMPUTED
ON A SEMIANNUAL BOND EQUIVALENT BASIS).

     UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF
TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE
NAME OF CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY OR SUCH OTHER REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT HEREON IS MADE
TO CEDE & CO.), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE
BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO.,
HAS AN INTEREST HEREIN./1/

     TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE,
BUT NOT IN PART, TO NOMINEES OF CEDE & CO., OR TO A SUCCESSOR THEREOF, OR SUCH
SUCCESSOR'S NOMINEE, AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE
LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
ARTICLE II OF THE INDENTURE REFERRED TO ON THE REVERSE HEREOF./1/

     THIS SECURITY AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF
THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED (THE "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS. NEITHER THIS
SECURITY, THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF THIS SECURITY
NOR ANY INTEREST OR 

- -----------------------
/1/  This paragraph should be included only if the Security is a Global Security
deposited with the DTC.

                                     A-1-1
<PAGE>
 
PARTICIPATION HEREIN OR THEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANS FERRED,
PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION
OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, REGISTRATION./2/

     THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF, AGREES TO OFFER,
SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE "RESALE
RESTRICTION TERMINATION DATE"), WHICH IS TWO YEARS AFTER THE LATER OF THE
ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY
AFFILIATE OF THE COMPANY WAS THE OWNER OF THIS LYON (OR ANY PREDECESSOR OR
SUCCESSOR OF SUCH SECURITY) ONLY (A) TO THE COMPANY OR ANY SUBSIDIARY THEREOF,
(B) FOR SO LONG AS THE LYONs ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A, TO A
PERSON IT REASONABLY BELIEVES IS A "QUALIFIED INSTITUTIONAL BUYER" AS DEFINED IN
RULE 144A UNDER THE SECURITIES ACT THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE
ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHICH NOTICE IS GIVEN THAT THE
TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (C) TO AN INSTITUTIONAL
"ACCREDITED INVESTOR" WITHIN THE MEANING OF SUBPARAGRAPH (A)(1), (2), (3) OR (7)
OF RULE 501 UNDER THE SECURITIES ACT THAT IS ACQUIRING THE SECURITY FOR ITS OWN
ACCOUNT, OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL "ACCREDITED INVESTOR," FOR
INVESTMENT PURPOSES AND NOT WITH A VIEW TO, OR FOR OFFER OR SALE IN CONNECTION
WITH, ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, (D) PURSUANT TO A
REGISTRATION STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES
ACT, (E) IN AN OFFSHORE TRANSACTION IN ACCORDANCE WITH RULE 904 OF REGULATION S
UNDER THE SECURITIES ACT, OR (F) PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM
THE REGIS  TRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE COMPANY'S
RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER, PURSUANT TO CLAUSE (C), (E) OR
(F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFI  CATION AND/OR
OTHER INFORMATION SATISFACTORY TO THE COMPANY, AND IN EACH OF THE FOREGOING
CASES, A CERTIFICATE OF TRANSFER IN THE FORM APPEARING ON THE OTHER SIDE OF THIS
SECURITY IS COMPLETED AND DELIV  ERED BY THE TRANSFEROR TO THE TRUSTEE.  THIS
LEGEND WILL BE REMOVED UPON THE REQUEST OF THE HOLDER AFTER THE RESALE
RESTRICTION TERMINATION DATE./2/

- -----------------------
/2/  This paragraph should be included only if the Security is a Transfer
Restricted Security.

                                     A-1-2
<PAGE>
 
                            HEWLETT-PACKARD COMPANY

                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)

No.

Issue Date:                                   CUSIP No.
Issue Price:                    $
Original Issue Discount:        $
(for each $1,000 Principal amount)

     Hewlett-Packard Company, a California corporation, promises to pay to
_____________, or registered assigns, the Principal Amount of_____________
_________ Dollars on October 14, 2017.

     This Security shall not bear interest except as specified on the other side
of this Security. Original Issue Discount will accrue as specified on the other
side of this Security.  This Security is convertible as specified on the other
side of this Security.  All capitalized terms used herein without definition
shall have the respective meanings assigned thereto in the Indenture referred to
on the other side of this Security.

     Additional provisions of this Security are set forth on the other side of
this Security.


                                     A-1-3
<PAGE>
 
     IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed under its corporate seal.

                                HEWLETT-PACKARD COMPANY



                                By:  ______________________________
                                     Title:

ATTEST:



___________________________________


Date:  ________________________

TRUSTEE'S CERTIFICATE OF
   AUTHENTICATION


CHASE TRUST COMPANY OF CALIFORNIA,
as Trustee, certifies that this Security
is one of the Securities referred to
in the within-mentioned Indenture.



By:  __________________________________
     Authorized Signatory


                                     A-1-4
<PAGE>
 
                         [FORM OF REVERSE SIDE OF NOTE]

                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)


1.   INTEREST
     --------

     This Security shall not bear interest except as specified in this paragraph
or in paragraph 9 hereof.  If the Principal Amount hereof or any portion of such
Principal Amount is not paid when due (whether upon acceleration pursuant to
Section 6.02 of the Indenture, upon the date set for payment of the Redemption
Price pursuant to paragraph 5 hereof, upon the date set for payment of a
Purchase Price or Change in Control Purchase Price pursuant to paragraph 6
hereof, upon the date set for a Conversion Payment pursuant to paragraph 8
hereof or upon the Stated Maturity of this Security) or if shares of Common
Stock (and cash in lieu of fractional shares) or cash in lieu thereof in respect
of a conversion of this Security in accordance with the terms of Article X of
the Indenture is not delivered when due, then in each such case the overdue
amount shall bear interest at the rate of 3.125% per annum, compounded
semiannually (to the extent that the payment of such interest shall be legally
enforceable), which interest shall accrue from the date such overdue amount was
due to the date payment of such amount, including interest thereon, has been
made or duly provided for.  All such interest shall be payable on demand.

     Original Issue Discount (the difference between the Issue Price and the
Principal Amount of the Security), in the period during which a Security remains
outstanding, shall accrue at 3.125% per annum, on a semiannual bond equivalent
basis using a 360-day year composed of twelve 30-day months, commencing on the
Issue Date of this Security, and cease to accrue on the earlier of (a) the date
on which the Principal Amount at Stated Maturity hereof or any portion of such
Principal Amount at Stated Maturity becomes due and payable and (b) any
Redemption Date, Conversion Date, Change in Control Purchase Date, Purchase Date
or other date on which such Original Issue Discount (or, if such Securities have
been converted to semiannual coupon notes following the occurrence of a Tax
Event, interest on such notes) shall cease to accrue in accordance with Section
2.08 of the Indenture.

2.   METHOD OF PAYMENT
     -----------------

    Subject to the terms and conditions of the Indenture, Hewlett-Packard
Company (the "Company") will make payments in respect of the Securities to the
persons who are registered Holders of Securities at the close of business on the
Business Day preceding the Redemption Date or Stated Maturity, as the case may
be, or at the close of business on a Purchase Date, Change in Control Purchase
Date or Conversion Date, as the case may be.  Holders must surrender Securities
to a Paying Agent to collect such payments in respect of the Securities.  The
Company will pay cash amounts in money of The United States of America that at
the time of payment is legal tender for payment of public and private debts.
However, the Company may make such cash payments in respect of a certificated
Security, if applicable, by check payable in such money.


                                     A-1-5
<PAGE>
 
3.   PAYING AGENT, CONVERSION AGENT AND REGISTRAR
     --------------------------------------------

     Initially, Chase Trust Company of California, as trustee (the "Trustee"),
will act as Paying Agent, Conversion Agent and Registrar.  The Company may
appoint and change any Paying Agent, Conversion Agent, Registrar or co-
registrar, upon notice to the Trustee and the Holders.  The Company or any of
its subsidiaries or any of their Affiliates may act as Paying Agent, Conversion
Agent, Registrar or co-registrar.

4.   INDENTURE
     ---------

     The Company issued the Securities under an Indenture, dated as of October
14, 1997 (the "Indenture"), between the Company and the Trustee.  The terms of
the Securities include those stated in the Indenture and those made part of the
Indenture by reference to the Trust Indenture Act of 1939, as amended by the
Trust Indenture Reform Act of 1990, and, as in effect on the date of the
Indenture (the "TIA"), except as provided in Section 9.03 of the Indenture.
Capitalized terms used herein or on the face hereof and not defined herein have
the meanings ascribed thereto in the Indenture.  The Securities are subject to
all such terms, and Holders are referred to the Indenture and the TIA for a
statement of those terms.

     The Securities are general, unsecured obligations of the Company limited to
the aggregate Principal Amount at Stated Maturity specified in Section 2.02 of
the Indenture (subject to Section 2.07 of the Indenture).  The Indenture does
not limit other indebtedness of the Company, secured or unsecured, including
Senior Indebtedness.

5.   REDEMPTION AT THE OPTION OF THE COMPANY
     ---------------------------------------

     No sinking fund is provided for the Securities.  The Securities are
redeemable as a whole, or from time to time in part, at any time at the option
of the Company at the Redemption Prices set forth below, provided, that the
                                                         --------          
Securities are not redeemable prior to October 14, 2000.

     The table below shows the Redemption Prices of a Security per $1,000
Principal Amount on the dates shown below and at Stated Maturity, which prices
reflect the accrued Original Issue Discount calculated to each such date.  The
Redemption Price of a Security redeemed between such dates would include an
additional amount reflecting the additional Original Issue Discount accrued
from, and including, the next preceding date in the table to, but excluding, the
actual Redemption Date.



                                     A-1-6
<PAGE>
 
<TABLE>
<CAPTION>
                                                        REDEMPTION
 REDEMPTION DATE                                          PRICE
- ------------------                                      ----------
<S>                                                     <C>

October 14, 2000....................................     $  590.29
October 14, 2001....................................        608.88
October 14, 2002....................................        628.05
October 14 ,2003....................................        647.83
October 14, 2004....................................        668.24
October 14, 2005....................................        689.28
October 14, 2006....................................        710.99
October 14, 2007....................................        733.38
October 14, 2008....................................        756.48
October 14, 2009....................................        780.31
October 14, 2010....................................        804.88
October 14, 2011....................................        830.23
October 14, 2012....................................        856.38
October 14, 2013....................................        883.35
October 14, 2014....................................        911.17
October 14, 2015....................................        939.87
October 14, 2016....................................        969.47

At maturity.........................................      1,000.00
</TABLE>

     If converted to a semiannual coupon note following the occurrence of a Tax
Event, this Security will be redeemable at the Restated Principal Amount plus
interest accrued and unpaid from, and including, the date of such conversion to,
but excluding, the Redemption Date; but in no event will this Security be
redeemable before October 14, 2000.

6.   PURCHASE BY THE COMPANY AT THE OPTION OF THE HOLDER
     ---------------------------------------------------

     Subject to the terms and conditions of the Indenture, the Company shall
become obligated to purchase, at the option of the Holder, the Securities held
by such Holder on October 14, 2000, the Purchase Date, at $590.29, the Purchase
Price per $1,000 Principal Amount at Stated Maturity of such Securities, upon
delivery of a Purchase Notice containing the information set forth in the
Indenture, at any time from the opening of business on the date that is 20
Business Days preceding the Purchase Date until the close of business on the
Purchase Date and upon delivery of the Securities to the Paying Agent by the
Holder as set forth in the Indenture.  Such Purchase Price may be paid, at the
option of the Company, in cash or by the issuance and delivery of shares of
Common Stock of the Company, or in any combination thereof.

     If prior to a Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Purchase
Price will be equal to the Restated Principal Amount plus accrued and unpaid
interest from, and including, the date of conversion to, but excluding, the
Purchase Date.


                                     A-1-7
<PAGE>
 
     Subject to the terms and conditions of the Indenture, if any Change in
Control occurs on or prior to October 14, 2000, the Company shall, at the option
of the Holder, purchase all Securities for which a Change in Control Purchase
Notice shall have been delivered as provided in the Indenture and not withdrawn,
on the date that is 35 Business Days after the occurrence of such Change in
Control, for a Change in Control Purchase Price equal to the Issue Price, plus
accrued Original Issue Discount to, but excluding, the Change in Control
Purchase Date, which Change in Control Purchase Price shall be paid in cash.  If
prior to a Change in Control Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Change in
Control Purchase Price shall be equal to the Restated Principal Amount plus
accrued interest from, and including, the date of conversion to, but excluding,,
the Change in Control Purchase Date.

     Holders have the right to withdraw any Purchase Notice or Change in Control
Purchase Notice, as the case may be, by delivering to the Paying Agent a written
notice of withdrawal in accordance with the provisions of the Indenture prior to
the close of business on the Purchase Date or Change in Control Purchase Date,
as the case may be.

     If cash sufficient to pay the Purchase Price or Change in Control Purchase
Price of all Securities or portions thereof to be purchased as of the Purchase
Date or the Change in Control Purchase Date, as the case may be, is deposited
with the Paying Agent on the Business Day following the Purchase Date or the
Change in Control Purchase Date, as the case may be, Original Issue Discount (or
interest upon conversion to semiannual coupon notes following the occurrence of
a Tax Event) ceases to accrue on such Securities (or portions thereof) on and
after such date, and the Holders thereof shall have no other rights as such
(other than the right to receive the Purchase Price or Change in Control
Purchase Price, as the case may be, upon surrender of such Security).

7.   NOTICE OF REDEMPTION
     --------------------

     Notice of redemption will be mailed at least 15 days but not more than 60
days before the Redemption Date to each Holder of Securities to be redeemed at
the Holder's registered address.  If money sufficient to pay the Redemption
Price of all Securities (or portions thereof) to be redeemed on the Redemption
Date is deposited with the Paying Agent prior to or on the Redemption Date, on
and after such date Original Issue Discount ceases to accrue on such Securities
or portions thereof.  Securities or portions of them selected for redemption
will be in $1,000 Principal Amounts at Stated Maturity or in integral multiples
thereof.

8.   CONVERSION
     ----------

     Subject to the next two succeeding sentences, a Holder of a Security may
convert it into Common Stock of the Company at any time before the close of
business on October 14, 2017; provided, however, that if a Security is called
                              --------  -------                              
for redemption, the Holder may convert it at any time before the close of
business on the Redemption Date.  The number of shares of Common Stock to be
delivered upon conversion of a Security into Common Stock per $1,000 of
Principal 


                                     A-1-8
<PAGE>
 
Amount shall be equal to the Conversion Rate. A Security in respect of which a
Holder has delivered a Purchase Notice or Change in Control Purchase Notice
exercising the option of such Holder to require the Company to purchase such
Security may be converted only if the notice of exercise is withdrawn in
accordance with the terms of the Indenture.

    The initial Conversion Rate is 5.430 shares of Common Stock per $1,000
Principal Amount, subject to adjustment in certain events described in the
Indenture.  The Company will deliver cash or a check in lieu of any fractional
share of Common Stock.

     The Holders' right to convert Securities into shares of Common Stock is
subject to the Company's right to elect to instead pay such Holder the amount of
cash set forth in the next succeeding sentence in lieu of delivering such shares
of Common Stock; provided, however, that if such payment of cash is not
                 --------  -------                                     
permitted pursuant to the provisions of the Indenture or the provisions of any
other agreement or instrument to which the Company is a party or by which it is
bound or otherwise, the Company shall deliver shares of Common Stock (and cash
in lieu of fractional shares of Common Stock) in accordance with Article X of
the Indenture, whether or not the Company has delivered a notice pursuant to
Section 10.02 to the effect that the Securities will be paid in cash.   The
amount of cash to be paid for each $1,000 Principal Amount of a Security shall
be equal to the Sale Price of a share of Common Stock on the Trading Day
immediately prior to the related Conversion Date multiplied by the Conversion
Rate in effect on such Trading Day.

     The Company shall not pay cash in lieu of delivering shares of Common Stock
upon the conversion of any Security pursuant to the terms of Article X of the
Indenture (other than cash in lieu of fractional shares) if there has occurred
(prior to, on or after, as the case may be, the Conversion Date or the date on
which the Company delivers its notice of whether each Security shall be
converted into shares of Common Stock or cash) and is continuing an Event of
Default (other than a default in such payment on such Securities), provided,
                                                                   -------- 
however, that this sentence shall not apply in the event that an Event of
- -------                                                                  
Default occurs after such cash is paid.

     In the event the Company exercises its option pursuant to Section 12.01 of
the Indenture to have interest in lieu of Original Issue Discount accrue on the
Security following a Tax Event, the Holder will be entitled on conversion to
receive the same number of shares of Common Stock such Holder would have
received if the Company had not exercised such option.  If the Company exercises
such option, Securities surrendered for conversion during the period from the
close of business on any Regular Record Date next preceding any Interest Payment
Date to the opening of business of such Interest Payment Date (except Securities
to be redeemed on a date within such period) must be accompanied by payment of
an amount equal to the interest thereon that the registered Holder is to
receive.  Except where Securities surrendered for conversion must be accompanied
by payment as described above, no interest on converted Securities will be
payable by the Company on any Interest Payment Date subsequent to the date of
conversion.

     To convert a Security a Holder must (i) complete and manually sign the
conversion notice on the back of the Security (or complete and manually sign a
facsimile of such notice) and deliver such notice to the Conversion Agent (or
the office or agency referred to in Section 4.05 of the 


                                     A-1-9
<PAGE>
 
Indenture) or, if applicable, complete and deliver to The Depository Trust
Company ("DTC" or the "Depositary," which term includes any successor thereto)
the appropriate instruc tion form for conversion pursuant to the Depositary's
book entry conversion program, (ii) surrender the Security to a Conversion Agent
by physical or book entry delivery (which is not necessary in the case of
conversion pursuant to the Depositary's book entry conversion program), (iii)
furnish appropriate endorsements and transfer documents if required by the
Conversion Agent, the Company or the Trustee and (iv) pay any transfer or
similar tax, if re quired. Book entry delivery of a Security to the Conversion
Agent may be made by any financial institution that is a participant in the
Depositary; conversion through the Depositary's book entry conversion program is
available for any security that is held in an account maintained at the
Depositary by any such participant.

    A Holder may convert a portion of a Security if the Principal Amount of such
portion is $1,000 or an integral multiple of $1,000.  No payment or adjustment
will be made for dividends on the Common Stock, except as provided in the
Indenture.  On conversion of a Security, that portion of accrued Original Issue
Discount (or interest, if the Company has exercised its option provided for in
paragraph 9 hereof) attributable to the period from the Issue Date (or, if the
Company has exercised the option referred to in paragraph 9 hereof, the later of
(x) the date of such exercise and (y) the date on which interest was last paid)
to the Conversion Date with respect to the converted Security shall not be
cancelled, extinguished or forfeited, but rather shall be deemed paid in full to
the Holder thereof through the delivery of the Common Stock in exchange for the
Security being converted pursuant to the terms hereof.

    The Conversion Rate will be adjusted for (i) dividends or distributions on
Common Stock payable in Common Stock or other Capital Stock, (ii) certain
subdivisions, combinations or reclassifications of Common Stock, (iii)
distributions to all holders of Common Stock of certain rights, warrants, or
options to purchase Common Stock for a period expiring within 60 days at a price
per share less than the Sale Price at the Time of Determination and (iv)
distributions to such holders of assets or debt securities of the Company or
certain rights, warrants or options to purchase securities of the Company
(excluding certain cash dividends or other cash distribu  tions).  However, no
adjustment need be made if Holders may participate in the transaction or in
certain other cases.  The Company from time to time may voluntarily increase the
Conversion Rate.

    If the Company is a party to a consolidation, merger or binding share
exchange of the type specified in the Indenture, or certain transfers of all or
substantially all of its assets to another person, or in certain other
circumstances described in the Indenture, the right to convert a Security into
Common Stock may be changed into a right to convert it into securities, cash or
other assets of the Company or another person.

9.   TAX EVENT.
     --------- 

     (a) From and after the date (the "Tax Event Date") of the occurrence of a
Tax Event, at the option of the Company, interest in lieu of future Original
Issue Discount shall accrue at 3.125% per annum on a principal amount per
Security (the "Restated Principal Amount") equal to the Issue Price plus
Original Issue Discount accrued to the date immediately prior to the Tax 


                                    A-1-10
<PAGE>
 
Event Date and shall be payable semiannually on April 14 and October 14 of each
year (each an "Interest Payment Date") to holders of record at the close of
business on March 30 or September 29 (each a "Regular Record Date") immediately
preceding such Interest Payment Date. Interest will be computed on the basis of
a 360-day year comprised of twelve 30-day months and will accrue from the most
recent date to which interest has been paid or, if no interest has been paid,
from the Tax Event Date.

     (b) Interest on any Security that is payable, and is punctually paid or
duly provided for, on any Interest Payment Date shall be paid to the person in
whose name that Security is registered at the close of business on the Regular
Record Date for such interest at the office or agency of the Company maintained
for such purpose. Each installment of interest on any Security shall be paid in
same-day funds by transfer to an account maintained by the payee located inside
the United States. In the case of a permanent global Security, interest payable
on any Interest Payment Date will be paid to the Depositary, Euroclear and/or
Cedel, as the case may be, with respect to that portion of such permanent global
Security held for its account by Cede & Co. or the London office of a
depositary, as the case may be, for the purpose of permitting such party to
credit the interest received by it in respect of such permanent global Security
to the accounts of the beneficial owners thereof.

     (c) Except as otherwise specified with respect to the Securities, any
interest on any Security that is payable, but is not punctually paid or duly
provided for, on any Interest Payment Date (herein called "Defaulted Interest")
shall forthwith cease to be payable to the registered Holder thereof on the
relevant Regular Record Date by virtue of having been such Holder, and such
Defaulted Interest may be paid by the Company as provided for in Section 12.02
(b) of the Indenture.

10.  CONVERSION ARRANGEMENT ON CALL FOR REDEMPTION
     ---------------------------------------------

     Any Securities called for redemption, unless surrendered for conversion
before the Redemption Date, may be deemed to be purchased from the Holders of
such Securities at an amount not less than the Redemption Price, by one or more
investment bankers or other purchasers who may agree with the Company to
purchase such Securities from the Holders and to make payment for such
Securities to the Trustee in trust for such Holders.

11.  DENOMINATIONS; TRANSFER; EXCHANGE
     ---------------------------------

     The Securities are in fully registered form, without coupons, in minimum
denominations of $1,000 Principal Amount at Stated Maturity or in integral
multiples thereof.  A Holder may transfer or exchange Securities in accordance
with the Indenture.  The Registrar may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and to pay any taxes and
fees required by law or permitted by the Indenture.  The Registrar need not
transfer or exchange any Securities selected for redemption (except, in the case
of a Security to be redeemed in part, the portion of the Security not to be
redeemed) or any Securities in respect of which a Purchase Notice or Change in
Control Purchase Notice has been given and not 


                                    A-1-11
<PAGE>
 
withdrawn (except, in the case of a Security to be purchased in part, the
portion of the Security not to be purchased) or any Securities for a period of
15 days before a selection of Securities to be redeemed.

12.  PERSONS DEEMED OWNERS
     ---------------------

     The registered Holder of this Security may be treated as the owner of this
Security for all purposes.

13.  UNCLAIMED MONEY OR SECURITIES
     -----------------------------

     The Trustee and the Paying Agent shall return to the Company any money or
securities held by them for the payment of any amount with respect to the
Securities that remains unclaimed for two years, provided, however, that at the
                                                 --------  -------             
Company's request prior to such two year anniversary, the Trustee or such Paying
Agent, before being required to make any such return, shall at the expense of
the Company cause to be published once in The Wall Street Journal or another
                                          -----------------------           
newspaper of national circulation or mail to each such Holder notice that such
money or securities remains unclaimed and that, after a date specified therein,
which shall not be less than 30 days from the date of such publication or
mailing, any unclaimed money or securities then remaining will be returned to
the Company.  After return to the Company, Holders entitled to the money or
securities must look to the Company for payment as general creditors unless an
applicable abandoned property law designates another person, and the Trustee and
the Paying Agent shall have no further liability with respect to such money or
securities for that period commencing after the return thereof.

14.  AMENDMENT; WAIVER
     -----------------

     Subject to certain exceptions set forth in the Indenture, (i) the Indenture
or the Securities may be amended with the written consent of the Holders of at
least a majority in aggregate Principal Amount of the Securities at the time
outstanding and (ii) certain defaults or noncompliance with certain provisions
may be waived with the written consent of the Holders of a majority in aggregate
Principal Amount of the Securities at the time outstanding.  Subject to certain
exceptions set forth in the Indenture, without the consent of any Holder, the
Company and the Trustee may, among other things, amend the Indenture or the
Securities to cure any ambiguity, defect or inconsistency, or to comply with
Article V or Section 10.14 of the Indenture or to make any change that does not
materially adversely affect the rights of any Holder.

15.  DEFAULTS AND REMEDIES
     ---------------------

    Under the Indenture, Events of Default include (i) after exercise by the
Company of its option pursuant to Section 12.01 of the Indenture following a Tax
Event, default in the payment of interest that continues for a period of 31
days; (ii) default in payment of the Principal Amount, Issue Price, accrued
Original Issue Discount, Redemption Price, Purchase Price or Change in Control
Purchase Price, as the case may be, in respect of the Securities when the same
becomes 


                                    A-1-12
<PAGE>
 
due and payable; (iii) failure either to deliver shares of Common Stock or pay
cash in lieu thereof (together with cash in lieu of fractional shares) in
accordance with the terms of the Indenture when such Common Stock or cash is
required to be delivered following conversion of a Security and such failure is
not remedied for a period of 10 days; (iv) failure by the Company to comply with
other agreements in the Indenture or the Securities, subject to notice and lapse
of time; or (v) certain events of bankruptcy or insolvency. If an Event of
Default occurs and is continuing, the Trustee, or the Holders of at least 25% in
aggregate Principal Amount of the Securities at the time outstanding, may
declare all the Securities to be due and payable immediately. Certain events of
bankruptcy or insolvency are Events of Default that will result in the
Securities becoming due and payable immediately upon the occurrence of such
Events of Default.

    Holders may not enforce the Indenture or the Securities, except as provided
in the Indenture. The Trustee may refuse to enforce the Indenture or the
Securities unless it receives reasonable indemnity or security.  Subject to
certain limitations, Holders of a majority in aggregate Principal Amount of the
Securities at the time outstanding may direct the Trustee in its exercise of any
trust or power.  The Trustee may withhold from Holders notice of any continuing
Default (except a Default in payment of amounts specified in clause (i) or (ii)
in the immediately preceding paragraphs) if it determines that withholding
notice is in their interests.

16.  TRUSTEE DEALINGS WITH THE COMPANY
     ---------------------------------

     Subject to certain limitations imposed by the TIA, the Trustee under the
Indenture, in its individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with and collect obligations owed
to it by the Company or its Affiliates and may otherwise deal with the Company
or its Affiliates with the same rights it would have if it were not Trustee.

17.  NO RECOURSE AGAINST OTHERS
     --------------------------

     A director, officer, employee or stockholder, as such, of the Company shall
not have any liability for any obligations of the Company under the Securities
or the Indenture or for any claim based on, in respect of or by reason of such
obligations or their creation.  By accepting a Security, each Holder waives and
releases all such liability.  The waiver and release are part of the
consideration for the issue of the Securities.

18.  SUBORDINATION
     -------------

     Indebtedness evidenced by the LYONs will be subordinated in right of
payment as set forth in the Indenture, to the prior payment in full of all
existing and future Senior Indebtedness (as defined in the Indenture).  There is
no restriction under the Indenture on the Company's incurring additional
indebtedness, including Senior Indebtedness.  The Company agrees, and each
Holder by accepting a Security consents and agrees, to the subordination
provided in the Indenture and authorizes the Trustee to give it effect and
appoints the Trustee as attorney-in-fact for such purpose.


                                    A-1-13
<PAGE>
 
19.  AUTHENTICATION
     --------------

     This Security shall not be valid until an authorized signatory of the
Trustee manually signs the Certificate of Authentication on the other side of
this Security.

20.  ABBREVIATIONS
     -------------

     Customary abbreviations may be used in the name of a Holder or an assignee,
such as TEN COM (=tenants in common), TEN ENT (=tenants by the entireties), JT
TEN (=joint tenants with right of survivorship and not as tenants in common) and
CUST (=custodian), and UNIF TRANS MIN ACT (=Uniform Transfers to Minors Act).

21.  GOVERNING LAW
     -------------

     THE INDENTURE AND THIS SECURITY SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE
AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF
CONFLICT OF LAWS.

22.  ADDITIONAL RIGHTS OF HOLDERS OF TRANSFER RESTRICTED SECURITIES/3/

     In addition to the rights provided to Holders of Securities under the
Indenture, Holders of Securities shall have all the rights set forth in the
Registration Rights Agreement.

                            _______________________



- ---------------------------
/3/  This paragraph shall be included only for Transfer Restricted Securities.

                                    A-1-14
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                             <C> 
                        ASSIGNMENT FORM                                                 CONVERSION NOTICE
To assign this Security, fill in the form below:                    To convert this Security into Common Stock of the Company,
                                                                                        check the box:  [_]
I or we assign and transfer this Security to:
 
                                                                  To convert only part of this Security, state the Principal
- ----------------------------------------------------------------  amount to be converted (which must be $1,000 or an integral
          (Insert assignee's soc. sec. or tax ID no.)             multiple of $1,000:
                                                                  
 
 
                                                                  If you want the stock certificate made out in another
- ----------------------------------------------------------------  person's name, fill in the form below: 
     (Print or type assignee's name, address and zip code)                                      
                                                                  
 
and irrevocably appoint                      agent to transfer
                        ---------------------
this Security on the books of the Company.  The agent may
substitute another to act for him.
 
</TABLE> 

<TABLE> 
<CAPTION> 

<S>                                                     <C> 
                                                         (Insert person's soc.
          EXCHANGE FORM                                   sec. or tax ID no.)

To exchange its beneficial
interest in Global Security                             ______________________________
held by the Depositary for a      
Security or Securities in                               ______________________________
definitive, registered form of    
authorized denominations and an                         ______________________________
aggregate principal amount equal  
to its beneficial interest in                           ______________________________
such Global Security, a Holder                          (Print or type person's name,    
should check the box: [_]                               address and zip code)             
                                                                                     
                                  
</TABLE> 
_________________________________________________________________

Date:_________________ Your Signature:_________________________*

_________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)


* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.


                                    A-1-15
<PAGE>
 
                       OPTION OF HOLDER TO ELECT PURCHASE


     If you want to elect to have this Security purchased by the Issuer pursuant
to Section 3.08 or Section 3.09 of the Indenture, check the appropriate box:

          [_]    Section 3.08

          [_]    Section 3.09

     If you want to elect to have only part of this Security purchased by the
Issuer pursuant to Section 3.08 or Section 3.09 of the Indenture, state the
amount you elect to have purchased:

$
 ------------------------

_________________________________________________________________


Date:_________________ Your Signature:_________________________*


_______________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)


* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.


                                    A-1-16
<PAGE>
 
               SCHEDULE OF EXCHANGES OF DEFINITIVE SECURITIES/4/



          The following exchanges of a part of this Global Security for
Definitive Securities have been made:

<TABLE>
<CAPTION>
            Amount of          Amount of               Principal Amount
            decrease in        increase in             at Maturity            Signature of
            Principal Amount   Principal Amount        of this Global         authorized signatory of 
            at Maturity        at Maturity of this     Security following     Trustee or      
Date of     of this Global     Global                  such decrease (or      Securities       
Exchange    Security           Security                increase)              Custodian           
- -----------------------------------------------------------------------------------------------------
<S>                             <C> 

</TABLE>













- ----------------------------------
/4/     This schedule should only be added if the Security is issued in global 
        form.

                                    A-1-17
<PAGE>
 
                                  EXHIBIT A-2

                          FORM OF FACE OF REGULATION S
                           TEMPORARY GLOBAL SECURITY

                       LIQUID YIELD OPTION NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)


     FOR PURPOSES OF SECTIONS 1273 AND 1275 OF THE INTERNAL REVENUE CODE OF
1986, AS AMENDED, THE AMOUNT OF ORIGINAL ISSUE DISCOUNT WITH RESPECT TO EACH
$1,000 OF PRINCIPAL AMOUNT OF THIS SECURITY IS $462.15, THE ISSUE DATE IS
OCTOBER 14, 1997, AND THE YIELD TO STATED MATURITY IS 3.125% PER ANNUM (COMPUTED
ON A SEMIANNUAL BOND EQUIVALENT BASIS).

     UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESEN  TATIVE OF
THE DEPOSITORY TRUST COMPANY TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF
TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE
NAME OF CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY OR SUCH OTHER REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (AND ANY PAYMENT HEREON IS MADE
TO CEDE & CO.), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE
BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO.,
HAS AN INTEREST HEREIN./1/

     TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE,
BUT NOT IN PART, TO NOMINEES OF CEDE & CO., OR TO A SUCCES  SOR THEREOF, OR SUCH
SUCCESSOR'S NOMINEE, AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE
LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN
ARTICLE II OF THE INDENTURE REFERRED TO ON THE REVERSE HEREOF./1/

     THIS SECURITY AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF
THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED (THE "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS. NEITHER THIS
SECURITY, THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION OF THIS SECURITY
NOR ANY INTEREST OR 

- --------------------
/1/  This paragraph should be included only if the Security is a Global Security
deposited with the DTC.

                                     A-2-1
<PAGE>
 
PARTICIPATION HEREIN OR THEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED,
PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION
OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, REGISTRATION./2/

     THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF, AGREES TO OFFER,
SELL OR OTHERWISE TRANSFER SUCH SECURITY, PRIOR TO THE DATE (THE "RESALE
RESTRICTION TERMINATION DATE"), WHICH IS TWO YEARS AFTER THE LATER OF THE
ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY
AFFILIATE OF THE COMPANY WAS THE OWNER OF THIS LYON (OR ANY PREDECESSOR OR
SUCCESSOR OF SUCH SECURITY) ONLY (A) TO THE COMPANY OR ANY SUBSIDIARY THEREOF,
(B) FOR SO LONG AS THE LYONs ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A, TO A
PERSON IT REASONABLY BELIEVES IS A "QUALIFIED INSTITUTIONAL BUYER" AS DEFINED IN
RULE 144A UNDER THE SECURITIES ACT THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE
ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHICH NOTICE IS GIVEN THAT THE
TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (C) TO AN INSTITUTIONAL
"ACCREDITED INVESTOR" WITHIN THE MEANING OF SUBPARAGRAPH (A)(1), (2), (3) OR (7)
OF RULE 501 UNDER THE SECURITIES ACT THAT IS ACQUIRING THE SECURITY FOR ITS OWN
ACCOUNT, OR FOR THE ACCOUNT OF SUCH AN INSTITUTIONAL "ACCREDITED INVESTOR," FOR
INVESTMENT PURPOSES AND NOT WITH A VIEW TO, OR FOR OFFER OR SALE IN CONNECTION
WITH, ANY DISTRIBUTION IN VIOLATION OF THE SECURITIES ACT, (D) PURSUANT TO A
REGISTRATION STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES
ACT, (E) IN AN OFFSHORE TRANSACTION IN ACCORDANCE WITH RULE 904 OF REGULATION S
UNDER THE SECURITIES ACT, OR (F) PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM
THE REGIS  TRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE COMPANY'S
RIGHT PRIOR TO ANY SUCH OFFER, SALE OR TRANSFER PURSUANT TO CLAUSE (C), (E) OR
(F) TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, THE CERTIFICATION AND/OR
OTHER INFORMATION SATISFACTORY TO THE COMPANY, AND IN EACH OF THE FOREGOING
CASES, A CERTIFICATE OF TRANSFER IN THE FORM APPEARING ON THE OTHER SIDE OF THIS
SECURITY IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE TRUSTEE.  THIS
LEGEND WILL BE REMOVED UPON THE REQUEST OF THE HOLDER AFTER THE RESALE
RESTRICTION TERMINATION DATE./2/

     THE RIGHTS ATTACHING TO THIS REGULATION S TEMPORARY GLOBAL SECURITY, AND
THE CONDITIONS AND PROCEDURES GOVERNING ITS EXCHANGE FOR CERTIFICATED
SECURITIES, ARE AS SPECIFIED IN THE INDENTURE (AS DEFINED HEREIN).

     NEITHER THE HOLDER NOR THE BENEFICIAL OWNERS OF THIS REGULA  TION S
TEMPORARY GLOBAL SECURITY SHALL BE ENTITLED TO RECEIVE PAYMENT OF INTEREST
THEREON.

- -------------------
/2/  This paragraph should be included only if the Security is a Transfer
Restricted Security.

                                     A-2-2
<PAGE>
 
                            HEWLETT-PACKARD COMPANY

                       LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)

No.

Issue Date:                                   CUSIP No.
Issue Price:                    $
Original Issue Discount:        $
(for each $1,000 Principal amount)

     Hewlett-Packard Company, a California corporation, promises to pay to
______________, or registered assigns, the Principal Amount of _______________
Dollars on October 14, 2017.

     This Security shall not bear interest except as specified on the other side
of this Security. Original Issue Discount will accrue as specified on the other
side of this Security.  This Security is convertible as specified on the other
side of this Security.  All capitalized terms used herein without definition
shall have the respective meanings assigned thereto in the Indenture referred to
on the other side of this Security.

     Additional provisions of this Security are set forth on the other side of
this Security.

                                     A-2-3
<PAGE>
 
     IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed under its corporate seal.

                                        HEWLETT-PACKARD COMPANY



                                        By:
                                            _________________________________
                                               Title:

ATTEST:


_______________________________



Date:  ________________________



TRUSTEE'S CERTIFICATE OF
   AUTHENTICATION



CHASE TRUST COMPANY OF CALIFORNIA,
as Trustee, certifies that this Security
is one of the Securities referred to
in the within-mentioned Indenture.



By:  __________________________________
     Authorized Signatory


                                     A-2-4
<PAGE>
 
                     [FORM OF REVERSE SIDE OF REGULATION S
                           TEMPORARY GLOBAL SECURITY]

                     LIQUID YIELD OPTION/TM/ NOTE DUE 2017
                          (ZERO COUPON--SUBORDINATED)

     This Regulation S Temporary Global Security is issued in respect of an
offering of $1,800,000,000 Liquid Yield Option Notes due 2017 (Zero Coupon --
Subordinated) (the "Securities") of the Company, pursuant to an Indenture (the
"Indenture") dated as of October 14, 1997, among the Company and Chase Trust
Company of California, as trustee (the "Trustee"), and is governed by the terms
and conditions of the Indenture, which terms and conditions are incorporated
herein by reference and, except as otherwise provided herein, shall be binding
on the Company and the Holder hereof as if fully set forth herein. Unless the
context otherwise requires, the terms used herein shall have the meanings
specified in the Indenture.

     This Regulation S Temporary Security is exchangeable in whole or in part
for one or more Regulation S Permanent Global Securities or Restricted Global
Securities only (i) on or after the termination of the 40-day restricted period
(as defined in Regulation S) and (ii) upon presentation of certificates
(accompanied by an Opinion of Counsel, if applicable) required by Article II of
the Indenture.  Upon exchange of all interest in this Regulation S Temporary
Global Security for one or more Regulation S Permanent Global Securities or
Restricted Global Securities, the Trustee shall cancel this Regulation S
Temporary Global Security.

     This Regulation S Temporary Global Security shall not become valid or
obligatory until the certificate of authentication hereon shall have been duly
manually signed by the Trustee in accordance with the Indenture.  This
Regulation S Temporary Global Security shall be governed by and construed in
accordance with the laws of the State of New York.  All references to "$,"
"Dollars," "dollars" or "U.S. $" are to such coin or currency of the United
States of America as at the time shall be legal tender for the payment of public
and private debts therein.

1.   INTEREST
     --------

     This Security shall not bear interest except as specified in this paragraph
or in paragraph 9 hereof.  If the Principal Amount hereof or any portion of such
Principal Amount is not paid when due (whether upon acceleration pursuant to
Section 6.02 of the Indenture, upon the date set for payment of the Redemption
Price pursuant to paragraph 5 hereof, upon the date set for payment of a
Purchase Price or Change in Control Purchase Price pursuant to paragraph 6
hereof, upon the date set for a Conversion Payment pursuant to paragraph 8
hereof or upon the Stated Maturity of this Security) or if shares of Common
Stock (and cash in lieu of fractional shares) in respect of a conversion of this
Security in accordance with the terms of Article X of the Indenture is not
delivered when due, then in each such case the overdue amount shall bear
interest at the rate of 3.125% per annum, compounded semiannually (to the extent
that the payment of such interest shall be legally enforceable), which interest
shall accrue from the date such overdue amount was 


                                     A-2-5
<PAGE>
 
due to the date payment of such amount, including interest thereon, has been
made or duly provided for. All such interest shall be payable on demand.

     Original Issue Discount (the difference between the Issue Price and the
Principal Amount of the Security), in the period during which a Security remains
outstanding, shall accrue at 3.125% per annum, on a semiannual bond equivalent
basis using a 360-day year composed of twelve 30-day months, commencing on the
Issue Date of this Security, and cease to accrue on the earlier of (a) the date
on which the Principal Amount at Stated Maturity hereof or any portion of such
Principal Amount at Stated Maturity becomes due and payable and (b) any
Redemption Date, Conversion Date, Change in Control Purchase Date, Purchase Date
or other date on which such Original Issue Discount (or, if such Securities have
been converted to semiannual coupon notes following the occurrence of a Tax
Event, interest on such notes shall cease to accrue in accordance with Section
2.08 of the Indenture.

2.   METHOD OF PAYMENT
     -----------------

     Subject to the terms and conditions of the Indenture, Hewlett-Packard
Company (the "Company") will make payments in respect of the Securities to the
persons who are registered Holders of Securities at the close of business on the
Business Day preceding the Redemption Date or Stated Maturity, as the case may
be, or at the close of business on a Purchase Date, Change in Control Purchase
Date or Conversion Date, as the case may be.  Holders must surrender Securities
to a Paying Agent to collect such payments in respect of the Securities.  The
Company will pay cash amounts in money of The United States of America that at
the time of payment is legal tender for payment of public and private debts.
However, the Company may make such cash payments in respect of a certificated
Security, if applicable, by check payable in such money.

3.   PAYING AGENT, CONVERSION AGENT AND REGISTRAR
     --------------------------------------------

     Initially, Chase Trust Company of California, as trustee (the "Trustee"),
will act as Paying Agent, Conversion Agent and Registrar.  The Company may
appoint and change any Paying Agent, Conversion Agent, Registrar or co-
registrar, upon notice to the Trustee and the Holders.  The Company or any of
its subsidiaries or any of their Affiliates may act as Paying Agent, Conversion
Agent, Registrar or co-registrar.

4.   INDENTURE
     ---------

     The Company issued the Securities under an Indenture, dated as of October
14, 1997 (the "Indenture"), between the Company and the Trustee.  The terms of
the Securities include those stated in the Indenture and those made part of the
Indenture by reference to the Trust Indenture Act of 1939, as amended by the
Trust Indenture Reform Act of 1990, and, as in effect on the date of the
Indenture (the "TIA"), except as provided in Section 9.03 of the Indenture.
Capitalized terms used herein or on the face hereof and not defined herein have
the meanings ascribed thereto in the Indenture.  The Securities are subject to
all such terms, and Holders are referred to the Indenture and the TIA for a
statement of those terms.


                                     A-2-6
<PAGE>
 
     The Securities are general, unsecured obligations of the Company limited to
the aggregate Principal Amount at Maturity specified in Section 2.02 of the
Indenture (subject to Section 2.07 of the Indenture).  The Indenture does not
limit other indebtedness of the Company, secured or unsecured, including Senior
Indebtedness.

5.   REDEMPTION AT THE OPTION OF THE COMPANY
     ---------------------------------------

     No sinking fund is provided for the Securities.  The Securities are
redeemable as a whole, or from time to time in part, at any time at the option
of the Company at the Redemption Prices set forth below, provided, that the
Securities are not redeemable prior to October 14, 2000.

     The table below shows the Redemption Prices of a Security per $1,000
Principal Amount on the dates shown below and at Stated Maturity, which prices
reflect the accrued Original Issue Discount calculated to each such date.  The
Redemption Price of a Security redeemed between such dates would include an
additional amount reflecting the additional Original Issue Discount accrued
from, and including, the next preceding date in the table to, but excluding, the
actual Redemption Date.

<TABLE>
<CAPTION>

                                                        Redemption
Redemption Date                                           Price
<S>                                                     <C>

October 14, 2000.....................................    $  590.29
October 14, 2001.....................................       608.88
October 14, 2002.....................................       628.05
October 14 ,2003.....................................       647.83
October 14, 2004.....................................       668.24
October 14, 2005.....................................       689.28
October 14, 2006.....................................       710.99
October 14, 2007.....................................       733.38
October 14, 2008.....................................       756.48
October 14, 2009.....................................       780.31
October 14, 2010.....................................       804.88
October 14, 2011.....................................       830.23
October 14, 2012.....................................       856.38
October 14, 2013.....................................       883.35
October 14, 2014.....................................       911.17
October 14, 2015.....................................       939.87
October 14, 2016.....................................       969.47

At maturity..........................................     1,000.00
</TABLE>

     If converted to a semiannual coupon note following the occurrence of a Tax
Event, this Security will be redeemable at the Restated Principal Amount plus
interest accrued and unpaid 

                                     A-2-7
<PAGE>
 
from, and including, the date of such conversion to, but excluding, the
Redemption Date; but in no event will this Security be redeemable before October
14, 2000.

6.   PURCHASE BY THE COMPANY AT THE OPTION OF THE HOLDER
     ---------------------------------------------------

     Subject to the terms and conditions of the Indenture, the Company shall
become obligated to purchase, at the option of the Holder, the Securities held
by such Holder on October 14, 2000, the Purchase Date, at $590.29, the Purchase
Price per $1,000 Principal Amount at Stated Maturity of such Securities, upon
delivery of a Purchase Notice containing the information set forth in the
Indenture, at any time from the opening of business on the date that is 20
Business Days preceding the Purchase Date until the close of business on the
Purchase Date and upon delivery of the Securities to the Paying Agent by the
Holder as set forth in the Indenture.  Such Purchase Price may be paid, at the
option of the Company, in cash or by the issuance and delivery of shares of
Common Stock of the Company, or in any combination thereof.

     If prior to a Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Purchase
Price will be equal to the Restated Principal Amount plus accrued and unpaid
interest from, and including, the date of conversion to, but excluding, the
Purchase Date.

     Subject to the terms and conditions of the Indenture, if any Change in
Control occurs on or prior to October 14, 2000, the Company shall, at the option
of the Holder, purchase all Securities for which a Change in Control Purchase
Notice shall have been delivered as provided in the Indenture and not withdrawn,
on the date that is 35 Business Days after the occurrence of such Change in
Control, for a Change in Control Purchase Price equal to the Issue Price, plus
accrued Original Issue Discount to, but excluding, the Change in Control
Purchase Date, which Change in Control Purchase Price shall be paid in cash.  If
prior to a Change in Control Purchase Date this Security has been converted to a
semiannual coupon note following the occurrence of a Tax Event, the Change in
Control Purchase Price shall be equal to the Restated Principal Amount plus
accrued interest from, and including, the date of conversion to, but excluding,
the Change in Control Purchase Date.

     Holders have the right to withdraw any Purchase Notice or Change in Control
Purchase Notice, as the case may be, by delivering to the Paying Agent a written
notice of withdrawal in accordance with the provisions of the Indenture prior to
the close of business on the Purchase Date or Change in Control Purchase Date,
as the case may be.

     If cash sufficient to pay the Purchase Price or Change in Control Purchase
Price of all Securities or portions thereof to be purchased as of the Purchase
Date or the Change in Control Purchase Date, as the case may be, is deposited
with the Paying Agent on the Business Day following the Purchase Date or the
Change in Control Purchase Date, as the case may be, Original Issue Discount (or
interest upon conversion to semiannual coupon notes following the occurrence of
a Tax Event) ceases to accrue on such Securities (or portions thereof) on and
after such date, and the Holders thereof shall have no other rights as such
(other than the right to receive the 

                                     A-2-8
<PAGE>
 
Purchase Price or Change in Control Purchase Price, as the case may be, upon
surrender of such Security).

7.   NOTICE OF REDEMPTION
     --------------------

     Notice of redemption will be mailed at least 15 days but not more than 60
days before the Redemption Date to each Holder of Securities to be redeemed at
the Holder's registered address.  If money sufficient to pay the Redemption
Price of all Securities (or portions thereof) to be redeemed on the Redemption
Date is deposited with the Paying Agent prior to or on the Redemption Date, on
and after such date Original Issue Discount ceases to accrue on such Securities
or portions thereof.  Securities or portions of them selected for redemption
will be in $1,000 Principal Amounts at Stated Maturity or in integral multiples
thereof.

8.   CONVERSION
     ----------

     Subject to the next two succeeding sentences, a Holder of a Security may
convert it into Common Stock of the Company at any time before the close of
business on October 14, 2017; provided, however, that if a Security is called
for redemption, the Holder may convert it at any time before the close of
business on the Redemption Date.  The number of shares of Common Stock to be
delivered upon conversion of a Security into Common Stock per $1,000 of
Principal Amount shall be equal to the Conversion Rate.  A Security in respect
of which a Holder has delivered a Purchase Notice or Change in Control Purchase
Notice exercising the option of such Holder to require the Company to purchase
such Security may be converted only if the notice of exercise is withdrawn in
accordance with the terms of the Indenture.

     The initial Conversion Rate is 5.430 shares of Common Stock per $1,000
Principal Amount, subject to adjustment in certain events described in the
Indenture.  The Company will deliver cash or a check in lieu of any fractional
share of Common Stock.

     The Holders' right to convert Securities into shares of  Common Stock is
subject to the Company's right to elect to instead pay such Holder the amount of
cash set forth in the next succeeding sentence in lieu of delivering such shares
of Common Stock; provided, however, that if such payment of cash is not
permitted pursuant to the provisions of the Indenture or the provisions of any
other agreement or instrument to which the Company is a party or by which it is
bound or otherwise, the Company shall deliver shares of Common Stock (and cash
in lieu of fractional shares of Common Stock) in accordance with Article X of
the Indenture, whether or not the Company has delivered a notice pursuant to
Section 10.02 to the effect that the Securities will be paid in cash.   The
amount of cash to be paid for each $1,000 Principal Amount of a Security shall
be equal to the Sale Price of a share of Common Stock on the Trading Day
immediately prior to the related Conversion Date multiplied by the Conversion
Rate in effect on such Trading Day.

     The Company shall not pay cash in lieu of delivering shares of Common Stock
upon the conversion of any Security pursuant to the terms of Article X of the
Indenture (other than cash in lieu of fractional shares) if there has occurred
(prior to, on or after, as the case may be, the 

                                     A-2-9
<PAGE>
 
Conversion Date or the date on which the Company delivers its notice of whether
each Security shall be converted into shares of Common Stock or cash) and is
continuing an Event of Default (other than a default in such payment on such
Securities), provided, however, that this sentence shall not apply in the event
that an Event of Default occurs after such cash is paid.

     In the event the Company exercises its option pursuant to Section 12.01 of
the Indenture to have interest in lieu of Original Issue Discount accrue on the
Security following a Tax Event, the Holder will be entitled on conversion to
receive the same number of shares of Common Stock such Holder would have
received if the Company had not exercised such option.  If the Company exercises
such option, Securities surrendered for conversion during the period from the
close of business on any Regular Record Date next preceding any Interest Payment
Date to the opening of business of such Interest Payment Date (except Securities
to be redeemed on a date within such period) must be accompanied by payment of
an amount equal to the interest thereon that the registered Holder is to
receive.  Except where Securities surrendered for conversion must be accompanied
by payment as described above, no interest on converted Securities will be
payable by the Company on any Interest Payment Date subsequent to the date of
conversion.

     To convert a Security a Holder must (i) complete and manually sign the
conversion notice on the back of the Security (or complete and manually sign a
facsimile of such notice) and deliver such notice to the Conversion Agent (or
the office or agency referred to in Section 4.05 of the Indenture) or, if
applicable, complete and deliver to The Depository Trust Company ("DTC" or the
"Depositary," which term includes any successor thereto) the appropriate instruc
tion form for conversion pursuant to the Depositary's book entry conversion
program, (ii) surrender the Security to a Conversion Agent by physical or book
entry delivery (which is not necessary in the case of conversion pursuant to the
Depositary's book entry conversion program), (iii) furnish appropriate
endorsements and transfer documents if required by the Conversion Agent, the
Company or the Trustee and (iv) pay any transfer or similar tax, if re  quired.
Book entry delivery of a Security to the Conversion Agent may be made by any
financial institution that is a participant in the Depositary; conversion
through the Depositary's book entry conversion program is available for any
security that is held in an account maintained at the Depositary by any such
participant.

     A Holder may convert a portion of a Security if the Principal Amount of
such portion is $1,000 or an integral multiple of $1,000.  No payment or
adjustment will be made for dividends on the Common Stock, except as provided in
the Indenture.  On conversion of a Security, that portion of accrued Original
Issue Discount (or interest, if the Company has exercised its option provided
for in paragraph 9 hereof) attributable to the period from the Issue Date (or,
if the Company has exercised the option referred to in paragraph 9 hereof, the
later of (x) the date of such exercise and (y) the date on which interest was
last paid) to the Conversion Date with respect to the converted Security shall
not be cancelled, extinguished or forfeited, but rather shall be deemed paid in
full to the Holder thereof through the delivery of the Common Stock in exchange
for the Security being converted pursuant to the terms hereof.

     The Conversion Rate will be adjusted for (i) dividends or distributions on
Common Stock payable in Common Stock or other Capital Stock, (ii) certain
subdivisions, combinations or 

                                    A-2-10
<PAGE>
 
reclassifications of Common Stock, (iii) distributions to all holders of Common
Stock of certain rights, warrants, or options to purchase Common Stock for a
period expiring within 60 days at a price per share less than the Sale Price at
the Time of Determination and (iv) distributions to such holders of assets or
debt securities of the Company or certain rights, warrants or options to
purchase securities of the Company (excluding certain cash dividends or other
cash distributions). However, no adjustment need be made if Holders may
participate in the transaction or in certain other cases. The Company from time
to time may voluntarily increase the Conversion Rate.

     If the Company is a party to a consolidation, merger or binding share
exchange of the type specified in the Indenture, or certain transfers of all or
substantially all of its assets to another person, or in certain other
circumstances described in the Indenture, the right to convert a Security into
Common Stock may be changed into a right to convert it into securities, cash or
other assets of the Company or another person.

9.   TAX EVENT
     ---------

     (a) From and after the date (the "Tax Event Date") of the occurrence of a
Tax Event, at the option of the Company, interest in lieu of future Original
Issue Discount shall accrue at 3.125% per annum on a principal amount per
Security (the "Restated Principal Amount") equal to the Issue Price plus
Original Issue Discount accrued to the date immediately prior to the Tax Event
Date and shall be payable semiannually on April 14 and October 14 of each year
(each an "Interest Payment Date") to holders of record at the close of business
on March 30 or September 29 (each a "Regular Record Date") immediately preceding
such Interest Payment Date.  Interest will be computed on the basis of a 360-day
year comprised of twelve 30-day months and will accrue from the most recent date
to which interest has been paid or, if no interest has been paid, from the Tax
Event Date.

     (b) Interest on any Security that is payable, and is punctually paid or
duly provided for, on any Interest Payment Date shall be paid to the person in
whose name that Security is registered at the close of business on the Regular
Record Date for such interest at the office or agency of the Company maintained
for such purpose. Each installment of interest on any Security shall be paid in
same-day funds by transfer to an account maintained by the payee located inside
the United States. In the case of a permanent global Security, interest payable
on any Interest Payment Date will be paid to the Depositary, Euroclear and/or
Cedel, as the case may be, with respect to that portion of such permanent global
Security held for its account by Cede & Co. or the London office of a
depositary, as the case may be, for the purpose of permitting such party to
credit the interest received by it in respect of such permanent global Security
to the accounts of the beneficial owners thereof.

     (c) Except as otherwise specified with respect to the Securities, any
interest on any Security that is payable, but is not punctually paid or duly
provided for, on any Interest Payment Date (herein called "Defaulted Interest")
shall forthwith cease to be payable to the registered Holder thereof on the
relevant Regular Record Date by virtue of having been such Holder, and 

                                    A-2-11
<PAGE>
 
such Defaulted Interest may be paid by the Company as provided for in Section
12.02 (b) of the Indenture.

10.  CONVERSION ARRANGEMENT ON CALL FOR REDEMPTION
     ---------------------------------------------

     Any Securities called for redemption, unless surrendered for conversion
before the Redemption Date, may be deemed to be purchased from the Holders of
such Securities at an amount not less than the Redemption Price, by one or more
investment bankers or other purchasers who may agree with the Company to
purchase such Securities from the Holders and to make payment for such
Securities to the Trustee in trust for such Holders.

11.  DENOMINATIONS; TRANSFER; EXCHANGE
     ---------------------------------

     The Securities are in fully registered form, without coupons, in minimum
denominations of $1,000 Principal Amount at Stated Maturity or in integral
multiples thereof.  A Holder may transfer or exchange Securities in accordance
with the Indenture.  The Registrar may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and to pay any taxes and
fees required by law or permitted by the Indenture.  The Registrar need not
transfer or exchange any Securities selected for redemption (except, in the case
of a Security to be redeemed in part, the portion of the Security not to be
redeemed) or any Securities in respect of which a Purchase Notice or Change in
Control Purchase Notice has been given and not withdrawn (except, in the case of
a Security to be purchased in part, the portion of the Security not to be
purchased) or any Securities for a period of 15 days before a selection of
Securities to be redeemed.

12.  PERSONS DEEMED OWNERS
     ---------------------

     The registered Holder of this Security may be treated as the owner of this
Security for all purposes.

13.  UNCLAIMED MONEY OR SECURITIES
     -----------------------------

     The Trustee and the Paying Agent shall return to the Company any money or
securities held by them for the payment of any amount with respect to the
Securities that remains unclaimed for two years, provided, however, that at the
Company's request prior to such two year anniversary, the Trustee or such Paying
Agent, before being required to make any such return, shall at the expense of
the Company cause to be published once in The Wall Street Journal or another
newspaper of national circulation or mail to each such Holder notice that such
money or securities remains unclaimed and that, after a date specified therein,
which shall not be less than 30 days from the date of such publication or
mailing, any unclaimed money or securities then remaining will be returned to
the Company.  After return to the Company, Holders entitled to the money or
securities must look to the Company for payment as general creditors unless an
applicable abandoned property law designates another person, and the Trustee and
the Paying 

                                    A-2-12
<PAGE>
 
Agent shall have no further liability with respect to such money or securities
for that period commencing after the return thereof.


14.  AMENDMENT; WAIVER
     -----------------

     Subject to certain exceptions set forth in the Indenture, (i) the Indenture
or the Securities may be amended with the written consent of the Holders of at
least a majority in aggregate Principal Amount of the Securities at the time
outstanding and (ii) certain defaults or noncompliance with certain provisions
may be waived with the written consent of the Holders of a majority in aggregate
Principal Amount of the Securities at the time outstanding.  Subject to certain
exceptions set forth in the Indenture, without the consent of any Holder, the
Company and the Trustee may, among other things, amend the Indenture or the
Securities to cure any ambiguity, defect or inconsistency, or to comply with
Article V or Section 10.14 of the Indenture or to make any change that does not
materially adversely affect the rights of any Holder.

15.  DEFAULTS AND REMEDIES
     ---------------------

      Under the Indenture, Events of Default include (i) after exercise by the
Company of its option pursuant to Section 12.01 of the Indenture following a Tax
Event, default in the payment of interest that continues for a period of 31
days; (ii) default in payment of the Principal Amount, Issue Price, accrued
Original Issue Discount, Redemption Price, Purchase Price or Change in Control
Purchase Price, as the case may be, in respect of the Securities when the same
becomes due and payable; (iii) failure either to deliver shares of Common Stock
or pay cash in lieu thereof (together with cash in lieu of fractional shares) in
accordance with the terms of the Indenture when such Common Stock or cash is
required to be delivered following conversion of a Security and such failure is
not remedied for a period of 10 days; (iv) failure by the Company to comply with
other agreements in the Indenture or the Securities, subject to notice and lapse
of time; or (v) certain events of bankruptcy or insolvency.  If an Event of
Default occurs and is continuing, the Trustee, or the Holders of at least 25% in
aggregate Principal Amount of the Securities at the time outstanding, may
declare all the Securities to be due and payable immediately.  Certain events of
bankruptcy or insolvency are Events of Default that will result in the
Securities becoming due and payable immediately upon the occurrence of such
Events of Default.

      Holders may not enforce the Indenture or the Securities, except as
provided in the Indenture.  The Trustee may refuse to enforce the Indenture or
the Securities unless it receives reasonable indemnity or security.  Subject to
certain limitations, Holders of a majority in aggregate Principal Amount of the
Securities at the time outstanding may direct the Trustee in its exercise of any
trust or power.  The Trustee may withhold from Holders notice of any continuing
Default (except a Default in payment of amounts specified in clause (i) or (ii)
in the immediately preceding paragraphs) if it determines that withholding
notice is in their interests.


                                    A-2-13
<PAGE>
 
16.  TRUSTEE DEALINGS WITH THE COMPANY
     ---------------------------------

     Subject to certain limitations imposed by the TIA, the Trustee under the
Indenture, in its individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with and collect obligations owed
to it by the Company or its Affiliates and may otherwise deal with the Company
or its Affiliates with the same rights it would have if it were not Trustee.

17.  NO RECOURSE AGAINST OTHERS
     --------------------------

     A director, officer, employee or stockholder, as such, of the Company shall
not have any liability for any obligations of the Company under the Securities
or the Indenture or for any claim based on, in respect of or by reason of such
obligations or their creation.  By accepting a Security, each Holder waives and
releases all such liability.  The waiver and release are part of the
consideration for the issue of the Securities.

18.  SUBORDINATION
     -------------

     Indebtedness evidenced by the LYONs will be subordinated in right of
payment as set forth in the Indenture, to the prior payment in full of all
existing and future Senior Indebtedness (as defined in the Indenture).  There is
no restriction under the Indenture on the Company's incurring additional
indebtedness, including Senior Indebtedness.  The Company agrees, and each
Holder by accepting a Security consents and agrees, to the subordination
provided in the Indenture and authorizes the Trustee to give it effect and
appoints the Trustee as attorney-in-fact for such purpose.

19.  AUTHENTICATION
     --------------

     This Security shall not be valid until an authorized signatory of the
Trustee manually signs the Certificate of Authentication on the other side of
this Security.

20.  ABBREVIATIONS
     -------------

     Customary abbreviations may be used in the name of a Holder or an assignee,
such as TEN COM (=tenants in common), TEN ENT (=tenants by the entireties), JT
TEN (=joint tenants with right of survivorship and not as tenants in common) and
CUST (=custodian), and UNIF TRANS MIN ACT (=Uniform Transfers to Minors Act).

21.  GOVERNING LAW
     -------------

     THE INDENTURE AND THIS SECURITY SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE
AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF
CONFLICT OF LAWS.

                                    A-2-14
<PAGE>
 
22.  ADDITIONAL RIGHTS OF HOLDERS OF TRANSFER RESTRICTED SECURITIES/3/

     In addition to the rights provided to Holders of Securities under the
Indenture, Holders of Securities shall have all the rights set forth in the
Registration Rights Agreement.

                            _______________________


/3/  This paragraph shall be included only for Transfer Restricted Securities.


                                    A-2-15
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                                <C> 

                        ASSIGNMENT FORM                                                 CONVERSION NOTICE
To assign this Security, fill in the form below:                    To convert this Security into Common Stock of the Company,
                                                                                        check the box:  [_]
I or we assign and transfer this Security to:
 
                                                                  To convert only part of this Security, state the Principal
- ----------------------------------------------------------------  amount to be converted (which must be $1,000 or an integral
          (Insert assignee's soc. sec. or tax ID no.)             multiple of $1,000:
                                                                  
 
 
                                                                  If you want the stock certificate made out in another
- ----------------------------------------------------------------  person's name, fill in the form below: 
     (Print or type assignee's name, address and zip code)                                      
                                                                  
 
and irrevocably appoint                      agent to transfer
                        ---------------------
this Security on the books of the Company.  The agent may
substitute another to act for him.
 
</TABLE> 

<TABLE> 
<CAPTION> 

<S>                                                     <C> 
                                                         (Insert person's soc.
          EXCHANGE FORM                                   sec. or tax ID no.)

To exchange its beneficial
interest in Global Security                             ______________________________
held by the Depositary for a      
Security or Securities in                               ______________________________
definitive, registered form of    
authorized denominations and an                         ______________________________
aggregate principal amount equal  
to its beneficial interest in                           ______________________________
such Global Security, a Holder                          (Print or type person's name,    
should check the box: [_]                               address and zip code)             
                                                                                     
                                  
</TABLE> 
_________________________________________________________________

Date:_________________ Your Signature:_________________________*

_________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)


* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.


                                    A-2-16
<PAGE>
 
                       OPTION OF HOLDER TO ELECT PURCHASE


     If you want to elect to have this Security purchased by the Issuer pursuant
to Section 3.08 or Section 3.09 of the Indenture, check the appropriate box:

          [_]    Section 3.08

          [_]    Section 3.09

     If you want to elect to have only part of this Security purchased by the
Issuer pursuant to Section 3.08 or Section 3.09 of the Indenture, state the
amount you elect to have purchased:

$
 _____________________________

_________________________________________________________________


Date:_________________ Your Signature:_________________________*


_________________________________________________________________
(Sign exactly as your name appears on the other side of this Security)


* Your signature must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.


                                    A-2-17
<PAGE>
 
SCHEDULE OF EXCHANGES FOR GLOBAL SECURITIES/4/




The following exchanges of a part of this Global Security for Definitive
Securities have been made:

<TABLE>
<CAPTION>
            Amount of         Amount of            Principal Amount
            decrease in       increase in          at Maturity          Signature of
            Principal Amount  Principal Amount     of this Global       authorized signatory of
            at Maturity       at Maturity of this  Security following   Trustee or    
Date of     of this Global    Global               such decrease (or    Securities        
Exchange    Security          Security             increase)            Custodian            
- -----------------------------------------------------------------------------------------------
<S>                     <C> 

</TABLE>







- ----------------------------
/4/  This schedule should only be added if the Security is issued in global
form.


                                    A-2-18
<PAGE>
 
                                  EXHIBIT B-1

                      FORM OF CERTIFICATE FOR EXCHANGE OR
                    REGISTRATION OF TRANSFER FROM RESTRICTED
                GLOBAL SECURITY TO REGULATION S GLOBAL SECURITY
               (Pursuant to Section 2.11(a)(i) of the Indenture)


Chase Trust Company of California
101 California Street, Suite 2725
San Francisco, California  94111



     Re:  $1,800,000,000 Liquid Yield Option Notes due 2017 (Zero Coupon--
          Subordinated) of Hewlett-Packard Company

     Reference is hereby made to the Indenture, dated as of October 14, 1997
(the "Inden  ture"), between Hewlett-Packard Company (the "Company") and Chase
Trust Company of California, as trustee.  Capitalized terms used but not defined
herein shall have the meanings given to them in the Indenture.

     This letter relates to $_______ principal amount of Securities which are
evidenced by one or more Restricted Global Securities (CUSIP No.428236 AA 1 and
held with the Deposi  tary in the name of ___________________________ (the
"Transferor").  The Transferor has requested a transfer of such beneficial
interest in the Securities to a person who will take delivery thereof in the
form of an equal principal amount of Securities evidenced by one or more
Regulation S Global Securities (CUSIP No. U42823 AK 7), which amount, immediate
ly after such transfer, is to be held with the Depositary.

     In connection with such request and in respect of such Securities, the
Transferor hereby certifies that such transfer has been effected in compliance
with the transfer restric  tions applicable to the global Securities and
pursuant to and in accordance with Rule 903 or Rule 904 under the United States
Securities Act of 1933, as amended (the "Securities Act"), and accordingly the
Transferor hereby further certifies that:

        (1)       The offer of the Securities was not made to a person in the
                  United States;

        (2)       either:

                  (a)  at the time the buy order was originated, the transferee
                       was outside the United States or the Transferor and any
                       person acting on its behalf 

                                     B-1-1
<PAGE>
 
                       reasonably believed and believes that the transferee was
                       outside the United States; or

                  (b)  the transaction was executed in, on or through the
                       facilities of a designated offshore securities market and
                       neither the Transferor nor any person acting on its
                       behalf knows that the transaction was prearranged with a
                       buyer in the United States;

        (3)       no directed selling efforts have been made in contravention of
                  the requirements of Rule 904(b) of Regulation S;

        (4)       the transaction is not part of a plan or scheme to evade the
                  registration require ments of the Securities Act; and

        (5)       upon completion of the transaction, the beneficial interest
                  being transferred as described above is to be held with the
                  Depositary.

     Upon giving effect to this request to exchange a beneficial interest in a
Restricted Global Security for a beneficial interest in a Regulation S Global
Security, the resulting beneficial interest shall be subject to the restrictions
on transfer applicable to Regulation S Global Securities pursuant to the
Indenture and the Securities Act and, if such transfer occurs prior to the end
of the 40-day restricted period associated with the initial offering of
Securities, the additional restrictions applicable to transfers of interest in
the Regulation S Temporary Global Security.

     This certificate and the statements contained herein are made for your
benefit and the benefit of the Company and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, the initial purchaser of such Securities
being transferred.  Terms used in this certificate and not otherwise defined in
the Indenture have the meanings set forth in Regula  tion S under the Securities
Act.


                                        ________________________________
                                        Insert Name of Transferor



                                        By:
                                           _____________________________
                                             Name:
                                             Title:


Dated: ______________________________

cc: Hewlett-Packard Company


                                     B-1-2
<PAGE>
 
                                  EXHIBIT B-2

                      FORM OF CERTIFICATE FOR EXCHANGE OR
                   REGISTRATION OF TRANSFER FROM REGULATION S
                 GLOBAL SECURITY TO RESTRICTED GLOBAL SECURITY
               (Pursuant to Section 2.11(a)(ii) of the Indenture)


Chase Trust Company of California
101 California Street, Suite 2725
San Francisco, California  94111


          Re:  $1,800,000,000  Liquid Yield Option Notes due 2017 (Zero Coupon--
               Subordinated) of Hewlett-Packard Company

     Reference is hereby made to the Indenture, dated as of October 14, 1997
(the "Inden  ture"), between Hewlett-Packard Company (the "Company") and Chase
Trust Company of California, as trustee.  Capitalized terms used but not defined
herein shall have the meanings given to them in the Indenture.

     This letter relates to $_______ principal amount of Securities which are
evidenced by one or more Regulation S Global Securities (CUSIP No. 428236 AA 1)
and held with the Depositary in the name of _____________________ (the
"Transferor"). The Transferor has requested a transfer of such beneficial
interest in the Securities to a person who will take delivery thereof in the
form of an equal principal amount of Securities evidenced by one or more
Restricted Global Securities (CUSIP No. U42823 AK 7), to be held with the De
positary.

     In connection with such request and in respect of such Securities, the
Transferor hereby certifies that:

                                   CHECK ONE

____ such transfer is being effected pursuant to and in accordance with Rule
        144A under the United States Securities Act of 1933, as amended (the
        "Securities Act"), and, accordingly, the Transferor hereby further
        certifies that the Securities are being transferred to a person that the
        Transferor reasonably believes is pur chasing the Securities for its own
        account, or for one or more accounts with respect to which such person
        exercises sole investment discretion, and such person and each such
        account is either a "qualified institutional buyer" within the meaning
        of Rule 144A in a transaction meeting the requirements of Rule 144A or
        an institutional "Accredited Investor" within the meaning of subpara
        graph (A)(1), (2), (3) or (7) of Rule 401 under the Securities Act that
        is acquiring the security 

                                     B-2-1
<PAGE>
 
        for investment purposes and not with a view to, or for offer or sale in
        connection with any distribution; or

____ such transfer is being effected pursuant to and in accordance with Rule 144
        under the Securities Act; or

____ such transfer is being effected pursuant to an effective registration
        statement under the Securities Act; or

____ such transfer is being effected pursuant to an exemption from the
        registration require ments of the Securities Act other than Rule 144A or
        Rule 144, and the Trans feror hereby further certifies that the
        Securities are being transferred in compliance with the transfer
        restrictions applicable to the global Securities and in accordance with
        the requirements of the exemption claimed, which certifica tion is
        supported by an Opinion of Counsel, if required by the Company, provided
        by the transferor or the transferee (a copy of which the Transferor has
        attached to this certification) in form reasonably acceptable to the
        Compa ny and to the Registrar, to the effect that such transfer is in
        compliance with the Securities Act;

and such Securities are being transferred in compliance with any applicable blue
sky securities laws of any state of the United States.

     Upon giving effect to this request to exchange a beneficial interest in
Regulation S Global Securities for a beneficial interest in Restricted Global
Securities, the resulting beneficial interest shall be subject to the
restrictions on transfer applicable to Restricted Global Securities pursuant to
the Indenture and the Securities Act.

     This certificate and the statements contained herein are made for your
benefit and the benefit of the Company and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, the initial purchaser of such Securities
being transferred.  Terms used in this certificate and not otherwise defined in
the Indenture have the meanings set forth in Regula  tion S under the Securities
Act.

                                        _________________________________
                                        Insert Name of Transferor


                                        By:
                                           ______________________________
                                             Name:
                                             Title:

Dated: _____________________________

cc: Hewlett-Packard Company

                                     B-2-2
<PAGE>
 
                                  EXHIBIT B-3

                FORM OF CERTIFICATE FOR EXCHANGE OR REGISTRATION
                     OF TRANSFER OF CERTIFICATED SECURITIES
                 (Pursuant to Section 2.11(b) of the Indenture)



Chase Trust Company of California
101 California Street, Suite 2725
San Francisco, California  94111



     Re:  $1,800,000,000 Liquid Yield Option Notes due 2017 (Zero Coupon--
          Subordi  nated) of Hewlett-Packard Company

     Reference is hereby made to the Indenture, dated as of October 14, 1997
(the "Inden  ture"), between Hewlett-Packard Company (the "Company") and Chase
Trust Company of California, as trustee.  Capitalized terms used but not defined
herein shall have the meanings given to them in the Indenture.

     In connection with such request and in respect of the Securities
surrendered to the Trustee herewith for exchange (the "Surrendered Securities"),
the Holder of such Surren  dered Securities hereby certifies that:

                                   CHECK ONE

____ the Surrendered Securities are being acquired for the Transferor's own
        account, without transfer; or

____ the Surrendered Securities are being transferred to the  Company; or

____ the Surrendered Securities are being transferred pursuant to and in
        accordance with Rule 144A under the United States Securities Act of
        1933, as amended (the "Securities Act"), and, accordingly, the
        Transferor hereby further certifies that the Surrendered Securities are
        being transferred to a person that the Transferor reasonably believes is
        purchasing the Surrendered Securities for its own account, or for one or
        more accounts with respect to which such person exercises sole
        investment discretion, and such person and each such account is either a
        "qualified institutional buyer" within the meaning of Rule 144A, in each
        case in a transaction meeting the requirements of Rule 144A or an
        institutional "Accred-

                                     B-3-1
<PAGE>
 
        ited Investor" within the meaning of subparagraph (A)(1), (2), (3) or
        (7) of Rule 401 under the Securities Act that is acquiring the security
        for investment purposes and not with a view to, or for offer or sale in
        connection with any distribution; or

____ the Surrendered Securities are being transferred in a transaction permitted
        by Rule 144 under the Securities Act; or

____ the Surrendered Securities are being transferred pursuant to an effective
        registration statement under the Securities Act; or

____ such transfer is being effected pursuant to an exemption from the
        registration require ments of the Securities Act other than Rule 144A or
        Rule 144, and the Trans feror hereby further certifies that the
        Securities are being transferred in compliance with the transfer
        restrictions applicable to the global Securities and in accordance with
        the requirements of the exemption claimed, which certifi cation is
        supported by an Opinion of Counsel, if required by the Company, provided
        by the transferor or the transferee (a copy of which the Transferor has
        attached to this certification) in form reasonably acceptable to the
        Compa ny and to the Registrar, to the effect that such transfer is in
        compliance with the Securities Act;

and the Surrendered Securities are being transferred in compliance with any
applicable blue sky securities laws of any state of the United States.

     This certificate and the statements contained herein are made for your
benefit and the benefit of the Company and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, the initial purchaser of such Securities
being transferred.  Terms used in this certificate and not otherwise defined in
the Indenture have the meanings set forth in Regula  tion S under the Securities
Act.


                                        ____________________________
                                        Insert Name of Transferor



                                        By:
                                            ________________________
                                             Name:
                                             Title:

Dated: ______________________________

cc: Hewlett-Packard Company


                                     B-3-2
<PAGE>
 
                                  EXHIBIT B-4

                      FORM OF CERTIFICATE FOR EXCHANGE OR
                    REGISTRATION OF TRANSFER FROM RESTRICTED
                   GLOBAL SECURITY OR REGULATION S PERMANENT
                    GLOBAL SECURITY TO CERTIFICATED SECURITY
                 (Pursuant to Section 2.11(c) of the Indenture)


Chase Trust Company of California
101 California Street, Suite 2725
San Francisco, California  94111


     Re:  $1,800,000,000 Liquid Yield Option Notes due 2017 (Zero Coupon--
          Subordinated) of Hewlett-Packard Company

     Reference is hereby made to the Indenture, dated as of October 14, 1997
(the "Inden  ture"), between Hewlett-Packard Company (the "Company") and Chase
Trust Company of California, as trustee.  Capitalized terms used but not defined
herein shall have the meanings given to them in the Indenture.

     This letter relates to $_______ principal amount of Securities which are
evidenced by one or more Restricted Global Securities (CUSIP No. 428236 AA 1 or
Regulation S Per  manent Global Securities (CUSIP No. U42823 AK 7) and held with
the Depositary in the name of ___________________________ (the "Transferor").
The Transferor has requested a transfer of such beneficial interest in the
Securities to a person who will take delivery thereof in the form of an equal
principal amount of Securities evidenced by one or more Certificated Securities
(CUSIP No. __________), which amount, immediately after such transfer, is to be
held with the Depositary.

     In connection with such request and in respect of the Securities
surrendered to the Trustee herewith for exchange (the "Surrendered Securities"),
the Holder of such Surren  dered Securities hereby certifies that:

                                   CHECK ONE

____ the surrendered Securities are being transferred to the beneficial owner of
        such Securities; or

____ the Surrendered Securities are being transferred pursuant to and in
        accordance with Rule 144A under the United States Securities Act of
        1933, as amended (the "Securities Act"), and, accordingly, the
        Transferor hereby further certifies that

                                     B-4-1
<PAGE>
 
        the Surrendered Securities are being transferred to a person that the
        Transferor reasonably believes is purchasing the Surrendered Securities
        for its own account, or for one or more accounts with respect to which
        such person exercises sole investment discretion, and such person and
        each such account is either a "qualified institutional buyer" within the
        meaning of Rule 144A, in each case in a transaction meeting the
        requirements of Rule 144A or an institutional "Accredited Investor"
        within the meaning of subparagraph (A)(1), (2), (3) or (7) of Rule 401
        under the Securities Act that is acquiring the security for investment
        purposes and not with a view to, or for offer or sale in connection with
        any distribution; or

____ the Surrendered Securities are being transferred in a transaction permitted
        by Rule 144 under the Securities Act; or

____ the Surrendered Securities are being transferred pursuant to an effective
        registration statement under the Securities Act; or

____ such transfer is being effected pursuant to an exemption from the
        registration require ments of the Securities Act other than Rule 144A or
        Rule 144, and the Trans feror hereby further certifies that the
        Securities are being transferred in compliance with the transfer
        restrictions applicable to the global Securities and in accordance with
        the requirements of the exemption claimed, which certifica tion is
        supported by an Opinion of Counsel, if required by the Company, provided
        by the transferor or the transferee (a copy of which the Transferor has
        attached to this certification) in form reasonably acceptable to the
        Compa ny and to the Registrar, to the effect that such transfer is in
        compliance with the Securities Act;

and the Surrendered Securities are being transferred in compliance with any
applicable blue sky securities laws of any state of the United States.

     This certificate and the statements contained herein are made for your
benefit and the benefit of the Company and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, the initial purchaser of such Securities
being transferred.  Terms used in this certificate and not otherwise defined in
the Indenture have the meanings set forth in Regula  tion S under the Securities
Act.


                                        ______________________________
                                        Insert Name of Transferor


                                        By:
                                            ______________________________
                                             Name:
                                             Title:

Dated: _____________________________

cc: Hewlett-Packard Company


                                     B-4-2
<PAGE>
 
                                  EXHIBIT B-5

                FORM OF CERTIFICATE FOR EXCHANGE OR REGISTRATION
                   OF TRANSFER FROM CERTIFICATED SECURITY TO
                         RESTRICTED GLOBAL SECURITY OR
                     REGULATION S PERMANENT GLOBAL SECURITY
                 (Pursuant to Section 2.11(d) of the Indenture)



Chase Trust Company of California
101 California Street, Suite 2725
San Francisco, California  94111


     Re:  $1,800,000,000 Liquid Yield Option Notes due 2017 (Zero Coupon--
          Subordinated) of Hewlett-Packard Company

     Reference is hereby made to the Indenture, dated as of October 14, 1997
(the "Inden  ture"), between Hewlett-Packard Company (the "Company") and Chase
Trust Company of California, as trustee.  Capitalized terms used but not defined
herein shall have the meanings given to them in the Indenture.

     In connection with such request and in respect of the Securities
surrendered to the Trustee herewith for exchange (the "Surrendered Securities"),
the Holder of such Surren  dered Securities hereby certifies that:

                                   CHECK ONE

____ the Surrendered Securities are being transferred to the beneficial owner of
        such Securities; or

____ the Surrendered Securities are being transferred pursuant to and in
        accordance with Rule 144A under the United States Securities Act of
        1933, as amended (the "Securities Act"), and, accordingly, the
        Transferor hereby further certifies that the Surrendered Securities are
        being transferred to a person that the Transferor reasonably believes is
        purchasing the Surrendered Securities for its own account, or for one or
        more accounts with respect to which such person exercises sole
        investment 

                                     B-5-1
<PAGE>
 
        discretion, and such person and each such account is either a "qualified
        institutional buyer" within the meaning of Rule 144A, in each case in a
        transaction meeting the requirements of Rule 144A or an institutional
        "Accredited Investor" within the meaning of subparagraph (A)(1), (2),
        (3) or (7) of Rule 401 under the Securities Act that is acquiring the
        security for investment purposes and not with a view to, or for offer or
        sale in connection with any distribution; or

____ the Surrendered Securities are being transferred in a transaction permitted
        by Rule 144 under the Securities Act; or

____ the Surrendered Securities are being transferred in a transaction permitted
        by Rule 904 under the Securities Act; or

____ the Surrendered Securities are being transferred pursuant to an effective
        registration statement under the Securities Act; or

____ such transfer is being effected pursuant to an exemption from the
        registration require ments of the Securities Act other than Rule 144A or
        Rule 144, and the Trans feror hereby further certifies that the
        Securities are being transferred in compliance with the transfer
        restrictions applicable to the global Securities and in accordance with
        the requirements of the exemption claimed, which certifica tion is
        supported by an Opinion of Counsel, if required by the Company, provided
        by the transferor or the transferee (a copy of which the Transferor has
        attached to this certification) in form reasonably acceptable to the
        Compa ny and to the Registrar, to the effect that such transfer is in
        compliance with the Securities Act;

and the Surrendered Securities are being transferred in compliance with any
applicable blue sky securities laws of any state of the United States.

     This certificate and the statements contained herein are made for your
benefit and the benefit of the Company and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, the initial purchaser of such Securities
being transferred.  Terms used in this certificate and not otherwise defined in
the Indenture have the meanings set forth in Regula  tion S under the Securities
Act.



                                        _____________________________
                                        Insert Name of Transferor
        

                                        By:
                                           __________________________
                                             Name:
                                             Title:

Dated: _________________________

cc: Hewlett-Packard Company


                                     B-5-2

<PAGE>
 
                                                                      EXHIBIT 5
 
 
                               February   , 1998
 
 
(415) 393-8200                                                    C 38126-00343
 
Hewlett-Packard Company
3000 Hanover Street
Palo Alto, CA 94304
 
  Re: $2,000,000,000 Aggregate Principal Amount at Maturity of Liquid Yield
      Option(TM) Notes Due 2017 (Zero Coupon-Subordinated)
 
Ladies and Gentlemen:
 
  We have acted as special counsel to Hewlett-Packard Company, a California
corporation (the "Company"), in connection with (i) the issuance and sale by
the Company of $2,000,000,000 aggregate principal amount at maturity of Liquid
Yield Option(TM) Notes due 2017 (the "LYONs(TM)" ) on October 14, 1997 in
transactions exempt from the registration requirements of the Securities Act
of 1933, as amended (the "Act"), and (ii) the filing of the Company's
Registration Statement on Form S-3 to which this opinion is an Exhibit (the
"Registration Statement") with respect to the offer and sale of the LYONs by
the several holders of the LYONs (the "Selling Holders").
 
  We are familiar with the corporate action taken by the Company in connection
with the authorization, issuance and sale of the LYONs and have made such
other legal or factual inquiries as we deemed necessary or appropriate for
purposes of rendering this opinion.
 
  We have assumed the genuineness of all signatures, the legal capacity of
natural persons, the authenticity of all documents submitted to us as
originals, and the conformity to original documents of all documents submitted
to us as copies and the authenticity of the originals of such copied
documents.
 
  On the basis of and in reliance upon the foregoing, and subject to the
assumptions, qualifications, limitations and exceptions contained herein, we
are of the opinion that:
 
  1. The LYONs are validly issued, fully paid and non-assessable and are valid
and binding obligations of the Company entitled to the benefits of the
Indenture, dated as of October 14, 1997, by and between the Company and Chase
Manhattan Bank and Trust Company, National Association, as trustee, as now or
hereafter supplemented, under which the LYONs were issued (the "Indenture");
and
 
  2. The shares of Common Stock, par value $1.00 per share, of the Company
issuable upon conversion of the LYONs (the "Shares"), when issued in
accordance with the terms of the Indenture, will be validly issued, fully paid
and non-assessable.
 
  The opinions set forth above are subject to the following assumptions,
qualifications, limitations and exceptions being true and correct at or prior
to the time of the delivery of any of the Shares:
 
    (a) at the time any of the LYONs are offered or sold, (i) the Registration
Statement will be effective or such LYONs will be sold in a transaction exempt
from the requirements of the Act and (ii) all applicable "Blue Sky" and state
securities laws will have been complied with; and
 
    (b) the Indenture has been qualified under the Trust Indenture Act of
1939, as amended.
- --------
(TM) Trademark of Merrill Lynch & Co., Inc.
<PAGE>
 
  Our opinion set forth in numbered paragraph 1 above is subject to the effect
of (i) applicable bankruptcy, reorganization, insolvency, moratorium and other
similar laws and court decisions of general application (including, without
limitation, statutory or other laws regarding fraudulent or preferential
transfers) relating to, limiting or affecting the enforcement of creditors'
rights generally, (ii) general principles of equity that may limit the
enforceability of any of the remedies, covenants or other provisions of the
LYONs and the Indenture, and (iii) the application of principles of equity
(regardless of whether enforcement is considered in proceedings at law or in
equity) as such principles relate to, limit or effect the enforcement of
creditors' rights generally.
 
  We express no opinion as to (i) any provision of the LYONs or the Indenture
regarding the remedies available to any person (A) to take action that is
arbitrary, unreasonable or capricious or is not taken in good faith or in a
commercially reasonable manner, whether or not such action is permitted under
the LYONs or the Indenture, or (B) for violations or breaches that are
determined by a court to be non-material or without substantially adverse
effect upon the ability of the Company to perform its material obligations
under the LYONs or the Indenture; or (ii) any provision of the LYONs or the
Indenture that may provide for interest on interest or penalty interest.
 
  This opinion is limited to California, New York and federal law.
 
  You have informed us that the Selling Holders may sell the LYONs or the
Shares from time to time after the date of the Registration Statement, and
this opinion is limited to the laws referred to above as in effect on the date
hereof.
 
  This opinion may not be quoted in whole or in part without our prior written
consent.
 
  We hereby consent to the use of our name under the caption "Legal Matters"
in the Prospectus forming a part of the Registration Statement and to the
filing of this opinion as an Exhibit to the Registration Statement. In giving
this consent, we do not admit that we are within the category of persons whose
consent is required under Section 7 of the Act or the General Rules and
Regulations of the Securities and Exchange Commission.
 
                                          Very truly yours,
 
                                          GIBSON, DUNN & CRUTCHER LLP
 
                                       2

<PAGE>
 
                                                                      EXHIBIT 8
 
                     [Hewlett-Packard Company Letterhead]
 
                              February    , 1998
 
Hewlett-Packard Company
3000 Hanover Street
Palo Alto, CA 94304
 
  Re: Federal Income Tax Considerations Relating to Public Offering of
      $2,000,000,000 Aggregate Principal Amount at Maturity of Liquid Yield
      Option(TM) Notes Due 2017
 
Ladies and Gentlemen:
 
  I have acted as tax counsel to Hewlett-Packard Company, a California
corporation (the "Company"), in connection with (i) the issuance and sale by
the Company of $2,000,000,000 aggregate principal amount at maturity of Liquid
Yield Option(TM) Notes due 2017 (the "LYONs(TM)") on October 14, 1997 in
transactions exempt from the registration requirements of the Securities Act
of 1933, as amended (the "Act"), and (ii) the filing of the Company's
Registration Statement on Form S-3 to which this opinion is an Exhibit and the
Prospectus forming a part thereof (the "Prospectus") with respect to the offer
and sale of the LYONs and Common Stock of the Company issued upon conversion
of the LYONs by the several holders of the LYONs.
 
  I hereby confirm my opinion set forth under the caption "Certain United
States Federal Income Tax Considerations" in the Prospectus.
 
                                          Very truly yours,
 
                                          Lester Ezrati
                                          General Tax Counsel of Hewlett-
                                           Packard Company
 
- --------
(TM) Trademark of Merrill Lynch & Co., Inc.

<PAGE>
 
                                                                      EXHIBIT 10

                         REGISTRATION RIGHTS AGREEMENT

                          Dated as of October 14, 1997

                                 by and between

                            HEWLETT-PACKARD COMPANY

                                      and

                              MERRILL LYNCH & CO.
               Merrill Lynch, Pierce, Fenner & Smith Incorporated

                       Liquid Yield Option/TM/ Notes due 2017
                          (Zero Coupon - Subordinated)



/TM/Trademark of Merrill Lynch & Co., Inc.
<PAGE>
 
                         REGISTRATION RIGHTS AGREEMENT

          This Registration Rights Agreement (this "Agreement") is made and
entered into as of October 14, 1997 by and between Hewlett-Packard Company, a
California corporation (the "Company"), and Merrill Lynch & Co., Merrill Lynch,
Pierce, Fenner & Smith Incorporated, a Delaware corporation (the "Purchaser").

          This Agreement is made pursuant to the Purchase Agreement, dated as of
October 7, 1997 (the "Purchase Agreement"), between the Company and the 
Purchaser, which provides for the sale by the Company to the Purchaser of
$1,800,000,000 aggregate principal amount at maturity of the Company's Liquid
Yield Option/TM/ Notes due 2017 (Zero Coupon--Subordinated) (the "LYONs") and
the grant by the Company to the Purchaser of an option to purchase all or any
part of an additional $200,000,000 aggregate principal amount at maturity of its
LYONs. In order to induce the Purchaser to enter into the Purchase Agreement,
the Company has agreed to provide the registration rights set forth in this
Agreement. The execution of this Agreement is a condition to the closing under
the Purchase Agreement.

          The parties hereby agree as follows:

SECTION 1.     DEFINITIONS.
               ----------- 

          Capitalized terms used herein without definition shall have their
respective meanings set forth in the Purchase Agreement or the Indenture.  As
used in this Agreement, the following terms shall have the following meanings:

          Closing Date:  October 14, 1997, or such other date as may be agreed
          ------------                                                        
upon for the sale and purchase of the LYONs pursuant to the Purchase Agreement.

          Common Stock:  the common stock of the Company, par value $1.00 per
          ------------                                                       
share.

          Exchange Act:  The Securities Exchange Act of 1934, as amended, and
          ------------                                                       
the rules and regulations of the SEC promulgated thereunder.


/TM/Trademark of Merrill Lynch & Co., Inc.

                                       2
<PAGE>
 
          Indenture:  The Indenture, dated as of October 14, 1997, between the
          ---------                                                           
Company and Chase Trust Company of California, as Trustee, pursuant to which the
LYONs are being issued, as amended or supplemented from time to time in
accordance with the terms thereof.

          Prospectus:  The prospectus included in any Registration Statement
          ----------                                                        
(including, without limitation, a prospectus that discloses information
previously omitted from a prospectus filed as part of an effective registration
statement in reliance upon Rule 430A), as amended or supplemented by any
prospectus supplement, with respect to the terms of the offering of any portion
of the Registrable Securities covered by such Registration Statement, and all
other amendments and supplements to the prospectus, including post-effective
amendments and all material incorporated by reference or deemed to be
incorporated by reference in such prospectus.

          Registrable Securities:  All LYONs and shares of Common Stock that are
          ----------------------                                                
Restricted Securities.

          Registration Expenses:  See Section 5 hereof.
          ---------------------                        

          Registration Statement:  Any registration statement of the Company
          ----------------------                                            
that covers any of the Registrable Securities pursuant to the provisions of this
Agreement, including the Prospectus, amendments and supplements to such
registration statement, including post-effective amendments, all exhibits, and
all material incorporated by reference or deemed to be incorporated by reference
in such registration statement.

          Restricted Securities:  Any and all LYONs upon original issuance
          ---------------------                                           
thereof (and any shares of Common Stock issued upon conversion thereof other
than pursuant to an effective registration statement under the Securities Act)
and at all times subsequent thereto until, as to any Restricted Security, (i)
the sale of such Restricted Security has been effectively registered under the
Securities Act and such Restricted Security has been disposed of in accordance
with the method of distribution set forth in the Registration Statement
relating thereto, (ii) it is distributed to the public pursuant to Rule 144, or
(iii) is otherwise able to be sold, pursuant to Rule 144(k) (or any similar
provision then in force, but not Rule 144A) under the Securities Act.

          SEC:  The Securities and Exchange Commission.
          ---                                          

                                       3
<PAGE>
 
          Securities Act:  The Securities Act of 1933, as amended, and the rules
          --------------                                                        
and regulations promulgated by the SEC thereunder.

          Shelf Registration:  See Section 3 hereof.
          ------------------                        

          Special Counsel:  Any special counsel to the holders of Registrable
          ---------------                                                    
Securities, for which holders of Registrable Securities will be reimbursed
pursuant to Section 5 hereof.

          TIA:  The Trust Indenture Act of 1939, as amended.
          ---                                               

SECTION 2. SECURITIES SUBJECT TO THIS AGREEMENT.
           ------------------------------------ 

               (a) Securities.  The securities entitled to the benefits of this
                   ----------                                                  
Agreement are the Registrable Securities.

               (b) Holders of Registrable Securities.  A Person is deemed to be
                   ---------------------------------
a holder of Registrable Securities whenever such Person beneficially owns
Registrable Securities; provided that only Registrable Securities of holders who
are registered holders of Registrable Securities shall be counted for purposes
of calculating any proportion of holders of Registrable Securities entitled to
take action or give notice pursuant to this Agreement.

SECTION 3. SHELF REGISTRATIONS.
           ------------------- 

               (a) Shelf Registrations.  As promptly as practicable and in no
                   -------------------
event later than 90 days after the date hereof, the Company shall prepare and
file with the SEC a Registration Statement (which may include any previously
filed Registration Statement meeting the requirements set forth herein) under
the Securities Act for an offering to be made on a continuous basis pursuant to
Rule 415 (or any similar rule that may be adopted by the SEC) under the
Securities Act covering all the Registrable Securities (the "Shelf
Registration").

               (b) The Shelf Registration shall be on Form S-3 or another
appropriate form permitting registration of such Registrable Securities for
resale by such holders in the manner or manners designated by them.

                                       4
<PAGE>
 
               (c) The Company shall use its reasonable efforts to cause the
Shelf Registration to become effective under the Securities Act in accordance
with Section 3(a) hereof and shall keep the Shelf Registration continuously
effective (i) as it applies to the LYONs, for a period of one year from the
Closing Date, and (ii) as it applies to the Common Stock issuable upon
conversion of the LYONs, for a period of two years from the Closing Date or, in
either case, such shorter period that will terminate when all Registrable
Securities covered by the Shelf Registration are no longer Restricted
Securities. The Company shall also supplement or make amendments to any Shelf
Registration if required by the rules, regulations or instructions applicable to
the registration form used by the Company or if required by the Securities Act.

SECTION 4. REGISTRATION PROCEDURES
           -----------------------

      (A) Registration Procedures - Company
          ---------------------------------

          In connection with the registration obligations pursuant to Section 3
hereof, the Company shall use reasonable efforts to effect such registration to
permit the sale of such Registrable Securities in accordance with the then
intended method or methods of disposition thereof, and pursuant thereto, the
Company shall as expeditiously as possible:

                (a) prepare and file with the SEC, within the time period
specified in Section 3, a Registration Statement or Registration Statements on
any appropriate form under the Securities Act, which form shall be available for
the sale of the Registrable Securities by the holders thereof in accordance with
the intended method or methods of distribution thereof, and use reasonable
efforts to cause each such Registration Statement to become effective and remain
effective as provided herein; provided, however, that before filing a
Registration Statement or Prospectus or any amendments or supplements thereto
(excluding the Company's filings with the SEC under the Exchange Act), the
Company shall furnish to the Special Counsel copies of the Registration
Statement or Prospectus and all such documents in the form proposed to be filed
at least two business days prior thereto, which documents will be subject to the
review of the Special Counsel, and the Company shall not file any such
Registration Statement or amendment thereto or any Prospectus or any sup plement
thereto to which the Special Counsel shall reasonably object on a timely basis,
unless the Company is advised by its counsel that such Registration Statement or
amendment thereto or any Prospectus or supplement thereto is required to be
filed by applicable law;

                                       5
<PAGE>
 
                (b) prepare and file with the SEC such amendments and post-
effective amendments to each Registration Statement as may be necessary to keep
such Registration Statement continuously effective for the applicable period;
cause the related Prospectus to be supplemented by any required Prospectus
supplement, and as so supplemented to be filed pursuant to Rule 424 (or any
similar provisions then in force) under the Securities Act;

                (c) promptly notify the Special Counsel with respect to any
event contemplated by clause (i), (ii), (iii), (iv), (v) or (vi) and, with
respect to any event contemplated by clause (i)(B), (iv), (v), or (vi) below,
notify such holders promptly (and in each case, if requested, confirm any such
oral or telephonic notice in writing), (i) when a Prospectus or any prospectus
supplement or post-effective amendment related to such Registrable Securities
(A) has been filed, and, (B) with respect to a Registration Statement or any
post-effective amendment related to such Registrable Securities, when the same
has become effective; (ii) of the receipt of any comments from the SEC; (iii) of
any request by the SEC for amendments or supplements to a Registration
Statement or related Prospectus or for additional information; (iv) of the
issuance by the SEC of any stop order suspending the effectiveness of a
Registration Statement or the initiation of any proceedings for that purpose;
(v) of the receipt by the Company of any notification with respect to the
suspension of the qualification or exemption from qualification of any of the
Registrable Securities for sale or exchange in any jurisdiction of the United
States of America or the initiation of any proceeding for such purpose; (vi) of
the happening of any event that makes any statement of a material fact made in
such Registration Statement or related Prospectus or any document incorporated
or deemed to be incorporated therein by reference untrue or that requires the
making of any changes in a Registration Statement or related Prospectus so that
such documents will not contain any untrue statement of a material fact or omit
to state any material fact required to be stated therein or necessary to make
the statements therein, in light of the circumstances under which they were
made, not misleading (provided that the timely filing of a report under the
Exchange Act which is incorporated by reference in the Registration Statement
and related Prospectus shall constitute effective notice under this subsection
(vi)); and (vii) of the determination of the Company that a post-effective
amendment to a Registration Statement would be appropriate;

                (d) use its reasonable efforts to obtain the withdrawal of any
order suspending the effectiveness of a Registration Statement or the lifting of

                                       6
<PAGE>
 
any suspension of the qualification (or exemption from qualification) of any of
the Registrable Securities for sale or exchange in any jurisdiction of the
United States of America, as promptly as practicable;

                (e) if reasonably requested by any holder of Registrable
Securities covered by a Registration Statement, (i) promptly incorporate in a
prospec tus supplement or post-effective amendment such information with respect
to the holder and such holder's planned method of disposition as such holder
reasonably requests to be included therein as necessary so that the Registration
Statement does not include an untrue statement of a material fact or omit to
state a material fact with respect to such holder or such holder's planned
method of distribution, (ii) make all required filings of such prospectus
supplement or such post-effective amendment as soon as the Company has received
notification of the matters to be incorporated in such prospectus supplement or
such post-effective amendment, and (iii) supplement or make amendments to any
Registration Statement as is required by applicable law;

                (f) furnish to each selling holder of Registrable Securities
upon request, and the Special Counsel, without charge, at least one conformed
copy of the Registration Statement or Statements and any post-effective
amendment thereto, including financial statements and schedules, without charge.

                (g) deliver to each selling holder of Registrable Securities and
the Special Counsel, without charge, as many copies of the Prospectus or
Prospectuses (including each preliminary prospectus) and any amendment or supple
ment thereto (other than the documents incorporated by reference therein) as
such Persons may reasonably request for the purposes of confirming sales under
the Registration Statement; the Company consents to the use of such Prospectus
or any amendment or supplement thereto in accordance with applicable law by each
of the selling holders of Registrable Securities in connection with the offering
and sale of the Registrable Securities covered by such Prospectus or any
amendment or supplement thereto in accordance with applicable law;

                (h) prior to any public offering of Registrable Securities, use
its reasonable efforts to register or qualify or cooperate with the selling
holders of Registrable Securities and the Special Counsel in connection with the
registration or qualification (or exemption from such registration or
qualification) of such Registrable Securities for offer and sale, as the case
may be, under the securities or Blue Sky laws of such state or local
jurisdictions in the United States as any seller 

                                       7
<PAGE>
 
reasonably requests in writing; keep each such registration or qualification (or
exemption therefrom) effective during the period such Registration Statement is
required to be kept effective and do any and all other acts or things reasonably
required to enable the disposition in such jurisdictions of the Registrable
Securities covered by the applicable Registration Statement; provided, however,
                                                             --------  -------
that the Company will not be required to (A) qualify generally to do business in
any jurisdiction where it is not then so qualified, (B) take any action that
would subject it to general service of process in any such jurisdiction where it
is not then so subject or (C) register or qualify securities prior to the
effective date of any Registration Statement under Section 3 hereof;

                (i) cooperate with the selling holders of Registrable Securities
to facilitate the timely preparation and delivery of certificates representing
Registrable Securities, which certificates shall not bear any restrictive
legends; and enable such Registrable Securities to be in such denominations and
registered in such names, in all cases consistent with the requirements set
forth in the Indenture, as the holders may request;

                (j) subject to the exceptions contained in (A), (B) and (C) of
subsection (h) hereof, use its reasonable efforts to cause the Registrable
Securities covered by the applicable Registration Statement to be registered
with or approved by such other federal, state and local governmental regulatory
agencies or authorities in the United States as may be necessary, by virtue of
the business and operations of the Company, to enable the seller or sellers
thereof to consummate the disposition of such Registrable Securities and
cooperate with each seller of Registrable Securities in connection with any
filings required to be made with the National Association of Securities Dealers,
Inc.;

                (k) other than when sales of Registerable Securities are not
permitted pursuant to Section 4(B)(c) and Section 4(B)(d), upon the occurrence
of any event contemplated by paragraph 4(c)(vi) or 4(c)(vii) above, as promptly
as practicable thereafter, prepare and file with the SEC a supplement or post-
effective amendment to the applicable Registration Statement or a supplement to
the related Prospectus or any document incorporated therein by reference or file
any other required document so that, as thereafter delivered to the purchasers
of the Registrable Securities being sold thereunder, such Prospectus will not
contain an untrue statement of a material fact or omit to state a material fact
required to be stated therein or necessary to make the statements therein, in
light of the circumstances under which they were made, not misleading;

                                       8
<PAGE>
 
                (l) cause the Indenture to be qualified under the TIA not later
than the effective date of any Registration Statement; and in connection there
with, cooperate with the Trustee to effect such changes to the Indenture as may
be required for the Indenture to be so qualified in accordance with the terms of
the TIA and execute, and use their reasonable efforts to cause the Trustee to
execute, all documents as may be required to effect such changes, and all other
forms and documents required to be filed with the SEC to enable the Indenture to
be so qualified in a timely manner;

                (m) comply with all applicable rules and regulations of the SEC
and make generally available to the Company's securityholders an earnings
statement satisfying the provisions of Section 11(a) of the Securities Act and
Rule 158 thereunder no later than the date required for the filing of the
applicable forms referred to in Rule 158 under the Exchange Act, commencing on
the first day of the first fiscal quarter of the Company commencing after the
effective date of a Registration Statement, which statement shall cover said 
12-month period; and

                (n) (i) list all LYONs and Common Stock covered by such
Registration Statement on any securities exchange on which the Common Stock is
then listed or (ii) authorize for quotation on the National Association of
Securities Dealers Automated Quotation System ("NASDAQ") or the National Market
System of NASDAQ all LYONs and Common Stock covered by such Registration
Statement if the Common Stock is then so authorized for quotation.

     (B) Registration Procedures - Holders
         ---------------------------------

                (a) The Company may require each selling holder of Registrable
Securities under a Shelf Registration to furnish to the Company such information
regarding such selling holder and the distribution of such Registrable
Securities, including the information specified in Item 507 of Regulation S-K
under the Securities Act, as the Company may from time to time reasonably
request in writing, and each holder in acquiring such Registrable Securities
agrees to supply such information to the Company promptly upon such request but
in no event later than the 30th day after such written request is made pursuant
to Section 8(d) hereof. Further, if at any time a selling holder determines that
any information supplied by such holder pursuant to the preceding sentence or
otherwise contained in the Registration Statement or any amendment or
supplement thereto is no longer accurate in any material respect, it shall
promptly supply the Company with the correct information.

                                       9
<PAGE>
 
                (b) Each holder of Registrable Securities agrees by acquisition
of such Registrable Securities that (i) such holder will promptly (and in any
case within two business days after completion of such sale or distribution)
notify the Company following any sale of Registrable Securities under a Shelf
Registration or distribution to the public pursuant to Rule 144 (or any similar
provision then in force, but not Rule 144A under the Securities Act) and (ii)
upon receipt of any notice from the Company of the happening of any event of the
kind described in Section 4(c)(iv), 4(c)(v), or 4(c)(vi) hereof, such holder
will forthwith discontinue disposition of such Registrable Securities covered by
such Registration Statement or Prospectus and will not resume disposition of
such Registrable Securities until such holder's receipt of the copies of the
supplemented or amended Prospectus contemplated by Section 4(k) hereof, or until
it is advised in writing by the Company that the use of the applicable
Prospectus may be resumed and has received copies of the Registration Statement
and Prospectus and any additional or supplemental filings that are incorporated
or deemed to be incorporated by reference in such Prospectus.

                (c) If the Company determines (at any time and in its sole
discretion), to suspend use of the Shelf Registration due to pending material
corporate developments or similar material events that have not yet been
publicly disclosed, the Company shall deliver a certificate in writing, signed
by an authorized officer to the holders of Registrable Securities and the
Special Counsel to the effect of the foregoing and upon receipt of such
certificate such holders will forthwith discontinue disposition of such
Registrable Securities covered by such Registration Statement or Prospectus and
will not resume disposition of such Registrable Securities until such holders'
receipt of copies of a supplemental or amended Prospectus, or until it is
advised in writing by the Company that such Prospectus may be used and has
received copies of any additional or supplemental filings that are incorporated
or deemed incorporated by reference in such Prospectus.  The Company will use
reasonable efforts to ensure that use of the Shelf Registration Statement may be
resumed as promptly as is practicable.  The period of time that the Shelf
Registration Statement is not available for sales as a result of events under
this Section 4(B)(c) shall not exceed in the aggregate 30 days in any 12 month
period.  Each day that the Shelf Registration Statement is not available for
sales of Registrable Securities shall extend by such day the period of time that
the Shelf Registration Statement would have to remain effective under Section
3(c).

                (d) Notwithstanding anything to the contrary contained herein, a
holder of Registerable Securities shall not have a right to sell such Regis-

                                       10
<PAGE>
 
trable Securities under the Shelf Registration Statement from January 16, 1998
through and including February 18, 1998; from April 15, 1998 through and
including May 19, 1998; from July 15, 1998 through and including August 18,
1998; from October 14, 1998 through and including November 17, 1998; from
January 18, 1999 through and including February 17, 1999; from April 14, 1999
through and including May 18, 1999; from July 16, 1999 through and including
August 17, 1999; and from October 14, 1999 through and including November 16,
1999.

SECTION 5. REGISTRATION EXPENSES.
           --------------------- 

                (a) The Company shall pay all fees and expenses incurred by it
or Purchaser incident to the performance of or compliance with this Agreement by
the Company including, without limitation, (i) all SEC, stock exchange or
National Association of Securities Dealers, Inc. registration and filing fees,
(ii) all fees and expenses incurred in connection with compliance with state
securities or Blue Sky laws (including reasonable fees and disbursements of
counsel for any holders in connection with Blue Sky qualification of any of the
Registrable Securities), (iii) all expenses in preparing or assisting in
preparing, printing and distributing any Registration Statement, any
Prospectus, any amendments or supplements thereto, other documents relating to
the Company's performance of and compliance with this Agree ment, (iv) fees and
disbursements of counsel for the Company and the Special Counsel in accordance
with the provisions of Section 5(b) hereof, and (v) all rating agency fees, but
excluding fees of any special accountants retained by the selling holders, and
transfer taxes, if any, relating to the sale or disposition of Registrable
Securities by a holder of Registrable Securities.

                (b) In connection with any registration hereunder, the Company
shall reimburse the holders of the Registrable Securities being registered or
tendered for in such registration for the reasonable fees (not to exceed,
without the consent of the Company, $10,000) and disbursements of not more than
one firm of attorneys representing the selling holders, which firm shall be
chosen by the holders of a majority in amount of the Registrable Securities.

SECTION 6. INDEMNIFICATION.
           --------------- 

                (a) The Company agrees to indemnify and hold harmless the
Purchaser and each holder of Registrable Securities and each person, if any, who
controls the Purchaser or any holder of Registrable Securities within the

                                       11
<PAGE>
 
meaning of either Section 15 of the Securities Act or Section 20 of the Exchange
Act, as follows:

               (i)   against any and all loss, liability, claim, damage and
     reasonable expense (including the reasonable fees and disbursements of
     counsel) whatsoever, as incurred, arising out of any untrue statement or
     alleged untrue statement of a material fact contained in the Registration
     State  ment (or any amendment thereto), or the omission or alleged omission
     there  from of a material fact required to be stated therein or necessary
     to make the statements therein not misleading or arising out of any untrue
     statement or alleged untrue statement of a material fact included in any
     preliminary prospectus or the Prospectus (or any amendment or supplement
     thereto), or the omission or alleged omission therefrom of a material fact
     necessary in order to make the statements therein, in the light of the
     circumstances under which they were made, not misleading;

               (ii)  against any and all loss, liability, claim, damage and
     reasonable expense (including the reasonable fees and disbursements of
     counsel) whatsoever, as incurred, to the extent of the aggregate amount
     paid in settlement of any litigation, or any investigation or proceeding by
     any governmental agency or body, commenced, or threatened, or of any
     claim whatsoever based upon any such untrue statement or omission, or any
     such alleged untrue statement or omission, provided that (subject to
     Section 6(d) below) any such settlement is effected with the written
     consent of the Company; and

               (iii) against any and all expense whatsoever, as incurred
     (including the reasonable fees and disbursements of counsel), reason  ably
     incurred in investigating, preparing or defending against any litigation,
     or any investigation or proceeding by any governmental agency or body, com-
     menced or threatened, or any claim whatsoever based upon any such untrue
     statement or omission, or any such alleged untrue statement or omission, to
     the extent that any such expense is not paid under (i) or (ii) above;

provided, however, that this indemnity agreement shall not apply to any loss,
- --------  -------                                                            
liability, claim, damage or expense to the extent arising out of any untrue
statement or omission or alleged untrue statement or omission made in reliance
upon and in conformity with written information furnished to the Company by the
Purchaser or 

                                       12
<PAGE>
 
such holder of Registrable Securities (which also acknowledges the indemnity
provisions herein) and each person, if any, who controls the Purchaser or any
such holder of Registrable Securities expressly for use in the Registration
Statement (or any amendment thereto), or any preliminary prospectus or the
Prospectus (or any amendment or supplement thereto).

                (b) In connection with any Shelf Registration in which a holder
of Registrable Securities is participating, in furnishing information relating
to such holder of Registrable Securities to the Company in writing expressly for
use in such Registration Statement, any preliminary prospectus, the Prospectus
or any amendments or supplements thereto, the holders of such Registrable
Securities agree, severally and not jointly, to indemnify and hold harmless the
Purchaser and each person, if any, who controls the Purchaser within the meaning
of either Section 15 of the Securities Act or Section 20 of the Exchange Act and
the Company, its directors and officers who sign a Registration Statement and
each person, if any, who controls the Company within the meaning of either
Section 15 of the Securities Act or Section 20 of the Exchange Act against any
and all loss, liability, claim, damage and expense described in the indemnity
contained in subsection (a) of this Section, as incurred, but only with respect
to untrue statements or omissions, or alleged untrue statements or omissions,
made in the Registration Statement (or any amendment thereto), or any
preliminary prospectus or the Prospectus (or any amendment or supplement
thereto) in reliance upon and in conformity with written information furnished
to the Company by such holder of Registrable Securities (which also acknowledges
the indemnity provisions herein) and each person, if any, who controls any such
holder of Registrable Securities expressly for use in the Registration Statement
(or any amendment thereto) or such preliminary prospectus or the Prospectus (or
any amendment or supplement thereto).

          The Purchaser agrees to indemnify and hold harmless the Company, the
holders of Registrable Securities, the directors of the Company, the officers of
the Company who sign the Registration Statement and each person, if any, who
controls the Company or any holder of Registrable Securities within the meaning
of either Section 15 of the Securities Act or Section 20 of the Exchange Act
against any and all loss, liability, claim, damage and expense described in the
indemnity contained in subsection (a) of this Section, as incurred, but only
with respect to untrue statements or omissions, or alleged untrue statements or
omissions, made in the Registration Statement (or any amendment thereto), or any
preliminary prospectus or the Prospec  tus (or any amendment or supplement
thereto) in reliance upon and in conformity with written information furnished
to the Company by the 

                                       13
<PAGE>
 
Purchaser expressly for use in the Registration Statement (or any amendment
thereto) or such preliminary prospectus or the Prospectus (or any amendment or
supplement thereto).

                (c) In case any action, suit or proceeding (including any
governmental or regulatory investigation or proceeding) shall be brought against
any indemnified party (other than the Company) or any person controlling such
indemnified party, based upon the Registration Statement or the Prospectus and
with respect to which indemnity may be sought against the Company pursuant to
Section 6(a), such indemnified party shall promptly notify the Company in
writing, and the Company shall assume the defense thereof, including the
employment of such counsel (such counsel to be reasonably acceptable to such
indemnified party as described below) and payment of all expenses. Any such
indemnified party shall have the right to employ separate counsel in any such
action, suit or proceeding and to participate in the defense thereof, but the
fees and expenses of such separate counsel shall be at the expense of such
indemnified party unless (A) the employment of such counsel shall have been
specifically authorized in advance in writing by the Company, (B) the Company
shall have failed to assume the defense and employ counsel within 30 days after
notification from the Initial Purchaser or (C) the named parties to any such
action, suit or proceeding (including any impleaded parties) shall include both
such indemnified party and the Company, and such indemnified party shall have
been advised by counsel that there may be one or more legal defenses available
to it which are different from, or additional to, those available to the Company
(in which case, if such indemnified party notifies the Company in writing that
it selects to employ separate counsel at the expense of the Company, the Company
shall not have the right to assume the defense of such action, suit or
proceeding on behalf of such indemnified party, it being understood, however,
that the Company shall not, in connection with any one such action or separate
but substantially similar or related actions in the same jurisdiction arising
out of the same general allegations or circumstances, be liable for the
reasonable fees and expenses of more than one separate firm of attorneys (in
addition to any local counsel) for all such indemnified parties, which firm
shall be designated in writing as set forth below). In such case involving the
Purchaser and control persons of the Purchaser, such firm shall be designated in
writing by the Purchaser and shall be reasonably acceptable to the Company. In
such case involving the holders of Registrable Securities and such controlling
persons of holders of Registrable Securities, such firm shall be designated in
writing by holders of a majority in amount of the Registrable Securities. In
case any action, suit or proceeding (including any governmental or regulatory
investigation or proceeding) 

                                       14
<PAGE>
 
shall be brought against the Company, any of the Company's directors or
officers, or any person controlling the Company, with respect to which indemnity
may be sought against any indemnifying party other than the Company pursuant to
Section 6(b), such indemnifying party shall have the rights and duties given to
the Company by this Section 6(c), and the Company, the Company's directors and
officers and any such controlling person shall have the rights and duties given
to the indemnified party by this Section 6(c). In such cases where the Company
is the indemnified party, such firm shall be designated by the Company.

                No indemnifying party shall, without the prior written consent
of the indemnified parties, settle or compromise or consent to the entry of any
judgment with respect to any litigation, or any investigation or proceeding by
any governmental agency or body, commenced or threatened, or any claim
whatsoever in respect of which indemnification or contribution could be sought
under this Section 6 hereof (whether or not the indemnified parties are actual
or potential parties thereto), unless such settlement, compromise or consent (i)
includes an unconditional release of each indemnified party from all liability
arising out of such litigation, investigation, proceeding or claim and (ii) does
not include a statement as to or an admission of fault, culpability or a failure
to act by or on behalf of any indemnified party.

                (d) If at any time an indemnified party shall have requested, in
writing, an indemnifying party to reimburse the indemnified party for fees and
expenses of counsel, such indemnifying party agrees that it shall be liable for
any settlement of the nature contemplated by Section 6(a)(ii) effected without
its written consent if (i) such settlement is entered into more than 45 days
after receipt by such indemnifying party of aforesaid request, (ii) such
indemnifying party shall have received notice of the terms of such settlement at
least 30 days prior to such settle  ment being entered into and (iii) such
indemnifying party shall not have reimbursed such indemnified party in
accordance with such request prior to the date of such settlement; provided,
however, if at any time an indemnified party shall have re  quested an
indemnifying party to reimburse the indemnified party for fees and expenses of
counsel, an indemnifying party shall not be liable for any settlement of the
nature contemplated by this Section 6(d) effected without its written consent if
(x) such indemnifying party reimburses such indemnified party in accordance with
such request to the extent it considers such request to be reasonable; and (y)
such indemnifying    party provides written notice to the indemnified party
substantiating the unpaid balance as unreasonable, in each case prior to the
date of such settlement.

                                       15
<PAGE>
 
                (e) If the indemnification provided for in Section 6 hereof is
for any reason unavailable to or insufficient to hold harmless an indemnified
party in respect of any losses, liabilities, claims, damages or expenses
referred to therein, then each indemnifying party shall contribute to the
aggregate amount of such losses, liabilities, claims, damages and expenses
incurred by such indemnified party, as incurred, in such proportion as is
appropriate to reflect the relative fault of the indemnifying party or parties
on the one hand and of the indemnified party on the other hand in connection
with the statements or omissions which resulted in such losses, liabilities,
claims, damages or expenses, as well as any other relevant equitable
considerations.

                The relative fault of the Company on the one hand and the
holders of the Registrable Securities or the Purchaser on the other hand shall
be determined by reference to, among other things, whether any such untrue or
alleged untrue state ment of a material fact or omission or alleged omission to
state a material fact relates to information supplied by the Company or by the
holder of the Registrable Securities or the Purchaser and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such statement or omission.

                The parties hereto agree that it would not be just and equitable
if contribution pursuant to this Section 6(e) were determined by pro rata
allocation or by any other method of allocation which does not take account of
the equitable considerations referred to above in this Section 6(e). The
aggregate amount of losses, liabilities, claims, damages, and expenses incurred
by an indemnified party and referred to above in this Section 6(e) shall be
deemed to include any legal or other expenses reasonably incurred by such
indemnified party in investigating, preparing or defending against any
litigation, or any investigation or proceeding by any govern mental agency or
body, commenced or threatened, or any claim whatsoever based upon any such
untrue or alleged untrue statement or omission.

                Notwithstanding the provisions of this Section 6, no holder of
Registrable Securities shall be required to indemnify or contribute any amount
in excess of the amount by which the total price at which the Registrable
Securities sold by such holder of Registrable Securities and distributed to the
public were offered to the public exceeds the amount of any damages that such
holder of Registrable Securities has otherwise been required to pay by reason of
such untrue or alleged untrue statement or omission or alleged omission.

                                       16
<PAGE>
 
                No person guilty of fraudulent misrepresentation (within the
meaning of Section 11(f) of the Securities Act) shall be entitled to
contribution from any person who was not guilty of such fraudulent
misrepresentation.

                For purposes of this Section 6(e), each person, if any, who
controls the Purchaser or any holder of Registrable Securities within the
meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act
shall have the same rights to contribution of such Purchaser or holder, and each
director of the Company, each officer of the Company who signed the Registration
Statement, and each person, if any, who controls the Company within the meaning
of Section 15 of the Securities Act or Section 20 of the Exchange Act shall have
the same rights to contribution as the Company.

SECTION 7. RULES 144 AND 144A.
           ------------------ 

                The Company shall use its reasonable efforts to file the reports
required to be filed by it under the Securities Act and the Exchange Act in a
timely manner and, if at any time it is not required to file such reports but in
the past had been required to or did file such reports, it will, upon the
request of any holder of Registrable Securities, make available other
information as required by, and so long as necessary to permit, sales of its
Registrable Securities pursuant to Rules 144 and 144A under the Securities Act
or, in each case, any similar rule or regulation hereafter adopted by the SEC as
a replacement thereto having substantially the same effect as such rule.
Notwithstanding the foregoing, nothing in this Section 7 shall be deemed to
require the Company to register any of its securities pursuant to the Exchange
Act.

SECTION 8. MISCELLANEOUS.
           ------------- 

                (a) Remedies.  In the event of a breach by the Company of any of
                    --------
its obligations under this Agreement, each holder of Registrable Securities, in
addition to being entitled to exercise all rights granted by law, including
recovery of damages, will be entitled to specific performance of its rights
under this Agreement. The Company agrees that monetary damages would not be
adequate compensation for any loss incurred by reason of a breach by it of any
of the provisions of this Agreement and hereby further agrees that, in the event
of any action for specific performance in respect of such breach, they shall
waive the defense that a remedy at law would be adequate.

                                       17
<PAGE>
 
                (b) No Inconsistent Agreements.  The Company shall not, on or
                    --------------------------
after the date of this Agreement, enter into any agreement with respect to its
securities that is inconsistent with the rights granted to the holders of
Registrable Securities in this Agreement or otherwise conflicts with the
provisions hereof.

                (c) Amendments and Waivers.  The provisions of this Agreement,
                    ----------------------                                    
including the provisions of this sentence, may not be amended, modified or
supplemented (other than to cure any ambiguity or correct or supplement any
provision herein), and waivers or consents to departures from the provisions
hereof may not be given, unless the Company has obtained the written consent of
holders of a majority of the then outstanding amount of Registrable Securities,
except in the case of the Purchaser prior to distribution of the LYONs to
subsequent holders, then the consent of the Purchaser.  Notwithstanding the
foregoing, a waiver or consent to depart from the provisions hereof with respect
to a matter that relates exclusively to the rights of holders of Registrable
Securities whose securities are being sold pursuant to a Registration Statement
and that does not directly or indirectly affect the rights of other holders of
Registrable Securities may be given, by holders of at least a majority in amount
of the Registrable Securities being sold by such holders.

                (d) Notices.  All notices and other communications provided for
                    -------
or permitted hereunder shall be made in writing by hand-delivery, registered
first-class mail, telex, or telecopier:

               (i)  if to a holder of Registrable Securities, at the most
     current address given by such holder to the Company in accordance with the
     provisions of this Section 8(d), except with respect to the Purchaser prior
     to distribution of the LYONs, then to the Purchaser at the address set
     forth on the first page of the Purchase Agreement; and

               (ii) if the Company, to Attention: General Counsel, Hewlett-
     Packard Company, 3000 Hanover Street, Palo Alto, California 94304.

          All such notices and communications shall be deemed to have been duly
given: when delivered by hand, if personally delivered; five business days after
being deposited in the mail, postage prepaid, if mailed; one business day after
being sent by next-day air courier; and when receipt acknowledged, if
telecopied.

                                       18
<PAGE>
 
          Copies of all such notices, demands or other communications shall be
concurrently delivered by the person giving the same to the Trustee under the
Indenture at the address specified in such Indenture.

                (e) Successors and Assigns.  This Agreement shall inure to the
                    ----------------------
benefit of and be binding upon the successors and assigns of each of the
parties, including without limitation and without the need for an express
assignment, subsequent holders of Registrable Securities.

                (f) Counterparts.  This Agreement may be executed in any number
                    ------------
of counterparts and by the parties hereto in separate counterparts, each of
which when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement.

                (g) Headings.  The headings in this Agreement are for
                    --------
convenience of reference only and shall not limit or otherwise affect the
meaning hereof.

                (h) GOVERNING LAW.  THIS AGREEMENT SHALL BE GOVERNED BY AND
                    -------------
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD
TO PRINCIPLES OF CONFLICTS OF LAWS.

                (i) Severability.  If any term, provision, covenant or
                    ------------
restriction of this Agreement is held by a court of competent jurisdiction to be
invalid, void or unenforceable, the remainder of the terms, provisions,
covenants and restrictions set forth herein shall remain in full force and
effect and shall in no way be affected, impaired or invalidated, and the parties
hereto shall use reasonable efforts to find and employ an alternative means to
achieve the same or substantially the same result as that contemplated by such
term, provision, covenant or restriction. It is hereby stipulated and declared
to be the intention of the parties that they would have executed the remaining
terms, provisions, covenants and restrictions without including any of such
which may be hereafter declared invalid, void or unenforceable.

                (j) Entire Agreement.  This Agreement is intended by the parties
                    ----------------
as a final expression of their agreement, and is intended to be a complete and
exclusive statement of the agreement and understanding of the parties hereto in
respect of the subject matter contained herein. There are no restrictions,
promises, 

                                       19
<PAGE>
 
warranties or undertakings, other than those set forth or referred to herein,
with respect to the registration rights granted by the Company with respect to
the securities sold pursuant to the Purchase Agreement. This Agreement
supersedes all prior agreements and understandings between the parties with
respect to such subject matter.

                (k) Securities Held by the Company or its Affiliates. Whenever
                    ------------------------------------------------
the consent or approval of holders of a specified percentage of Registrable
Securities is required hereunder, Registrable Securities held by the Company or
any of its affiliates shall not be counted in determining whether such consent
or approval was given by the holders of such required percentage or amount.

          IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first written above.

                                HEWLETT-PACKARD COMPANY



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


                                MERRILL LYNCH & CO.
                                MERRILL LYNCH, PIERCE, FENNER
                                 & SMITH INCORPORATED



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

                                       20

<PAGE>
 
                                                                     EXHIBIT 12
 
                            HEWLETT-PACKARD COMPANY
             COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (1)
                         (in millions, except ratios )
 
<TABLE>
<CAPTION>
                                                    YEAR ENDED OCTOBER 31,
                                                 -------------------------------
                                                 1997  1996   1995   1994  1993
                                                 ----- -----  -----  ----- -----
<S>                                              <C>   <C>    <C>    <C>   <C>
Pre-tax income from continuing operations......  4,455 3,694  3,632  2,423 1,783
Minority interest in the income of subsidiaries
 with fixed charges............................     39    38     29     17    11
Undistributed (earnings) or loss of equity
 investees.....................................     19   (62)   (41)     6     7
Fixed charges:
  Interest expense and amortization of debt
   discount and premium on all indebtedness....    215   327    206    155   121
  Interest included in rent....................    139   126    111    104   102
                                                 ----- -----  -----  ----- -----
    Total fixed charges........................    354   453    317    259   223
Earnings before income taxes, minority
 interest, undistributed earnings or loss of
 equity investees and fixed charges............  4,867 4,123  3,938  2,705 2,024
Ratio of earnings to fixed charges.............  13.67  9.09  12.39  10.44  9.06
                                                 ===== =====  =====  ===== =====
</TABLE>
- --------
(1) The ratio of earnings to fixed charges was computed by dividing earnings
    (income from continuing operations before income taxes, adjusted for fixed
    charges, minority interest in the income of subsidiaries with fixed
    charges and equity in earnings or loss of equity investees) by fixed
    charges for the periods indicated. Fixed charges include (i) interest
    expense and amortization of debt discount or premium on all indebtedness,
    and (ii) a reasonable approximation of the interest factor deemed to be
    included in rental expense.

<PAGE>
 
                                                                   EXHIBIT 23.1
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS
 
  We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-3 of Hewlett-
Packard Company of our report dated November 18, 1996, which appears on page
52 of Hewlett-Packard's 1996 Annual Report to Shareholders, which is
incorporated by reference in its Annual Report on Form 10-K for the year ended
October 31, 1996. We also consent to the reference to us under the heading
"Experts" in such Prospectus.
 
PRICE WATERHOUSE LLP
 
San Jose, California
January 9, 1998
 

<PAGE>
 
                                                                      Exhibit 25

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549


                          ___________________________

                                   FORM T-1

             Statement of Eligibility and Qualification Under the
                 Trust Indenture Act of 1939 of a Corporation
                         Designated to Act as Trustee


                          __________________________

                    CHASE MANHATTAN BANK AND TRUST COMPANY,
                             NATIONAL ASSOCIATION
                 (formerly Chase Trust Company of California)
              (Exact name of trustee as specified in its charter)


                                   95-4655078
                      (I.R.S. Employer Identification No.)


                101 California Street, San Francisco, California
                    (Address of principal executive offices)

                                     94111
                                   (Zip Code)
                               __________________

                            HEWLETT-PACKARD COMPANY
              (Exact name of Obligor as specified in its charter)

                                   California
         (State or other jurisdiction of incorporation or organization)

                                   94-1081436
                      (I.R.S. Employer Identification No.)

                              3000 Hanover Street
                             Palo Alto, California
                    (Address of principal executive offices)

                                     94304
                                   (Zip Code)


                        ________________________________

                          Convertible Debt Securities
                        (Title of Indenture securities)
<PAGE>
 
ITEM 1.  GENERAL INFORMATION.


         Furnish the following information as to the trustee:

    (a)  Name and address of each examining or supervising authority to which it
         is subject.

         Comptroller of the Currency, Washington, D.C.
 
         Board of Governors of the Federal Reserve System, Washington, D.C.
         20511.
 

    (b)  Whether it is authorized to exercise corporate trust powers.

         Yes.

ITEM 2.  AFFILIATIONS WITH OBLIGOR.

      If the Obligor is an affiliate of the trustee, describe each such
      affiliation.

      None.

 
16.   LIST OF EXHIBITS.

      *Exhibit 1.  Articles of Incorporation of the Trustee as Now in Effect.
      *Exhibit 2.  Certificate of Authority of the Trustee to Commence Business.
      *Exhibit 3.  Authorization of the Trustee to Exercise Corporate Trust
                   Powers (Contained in Exhibit 2.)
      *Exhibit 4.  Existing By-Laws of the Trustee.
       Exhibit 5.  Not Applicable
      *Exhibit 6.  Consent of the Trustee.
       Exhibit 7.  Report of Condition of the Trustee
       Exhibit 8   Not Applicable
       Exhibit 9   Not Applicable

* Exhibits prefaced by this designation are filed with Securities and Exchange
Commission as exhibits to Statement of Eligibility and Qualification under the
Trust Indenture Act of 1939, as amended, in connection with the Registration
Statement of INMC Mortgage Holdings, Inc, File No. 333-41329, under the same
exhibit number and are incorporated herein by reference.


                               SIGNATURE

      Pursuant to the requirements of the Trust Indenture Act of 1939, the
Trustee, Chase Manhattan Bank and Trust Company, National Association, has duly
caused this statement of eligibility and qualification to be signed on its
behalf by the undersigned, thereunto duly authorized, all in the City of San
Francisco, and State of California, on the 5th day of January, 1998.

                            CHASE MANHATTAN BANK AND TRUST COMPANY,   
                            NATIONAL ASSOCIATION


                            By  /s/ MITCH GARDNER
                               ---------------------------
                                 Assistant Vice President
<PAGE>
 
EXHIBIT 7.      Report of Condition of the Trustee.
- --------------------------------------------------------------------------------
TRUST COMPANY

<TABLE>
<CAPTION>
 
 
CONSOLIDATED REPORT OF CONDITION OF                 Chase Trust Company of California
                                                   ------------------------------------
                                                    (Legal Title)
<S>                           <C>                  <C>               <C>        <C>
 
LOCATED AT                    San Francisco        San Francisco     CA          94111
                              ------------------   ---------------   --------   ------
                              (City)               (County)          (State)    (Zip)
 
AS OF CLOSE OF BUSINESS ON    September 30, 1997   BANK NO.              1476
                              ------------------                     --------
 
</TABLE>

<TABLE>
<CAPTION>
ASSETS                                                              DOLLAR AMOUNT IN THOUSANDS

 
<S>                                                                                     <C> 
1.  Cash and due from banks                                                             13,026
2.  U.S. Treasury securities                                                             9,894
3.  Obligations of other U.S. Government agencies and corporations
4.  Obligations of States and political subdivisions
5.  Other securities (including  $      corporate stock

    (a)  Loans
    (b)  Less:  Reserve for possible loan losses
    (c)  Loans (Net)                                                                         0
7.  Bank Premises, furniture and fixtures and other assets representing bank
    premises (including $ -0-     capital leases)                                           83
                          ---
8.  Real estate owned other than bank premises
9.  Investments in subsidiaries not consolidated
10. Other assets (complete schedule on reverse) (including $    intangibles)               765
11. TOTAL ASSETS                                                                        23,768
 
LIABILITIES
 
12. Liabilities For borrowed money
13. Mortgage indebtedness (including $          capital leases)
14. Other liabilities (complete on schedule on reverse                                   3,482
15. TOTAL LIABILITIES                                                                    3,482
                                                                                        ======
16.  Capital notes and debentures
 
SHAREHOLDERS EQUITY
 
17.  Preferred stock--
(Number shares outstanding              ) Amount $

18.  Common stock--                                                                         10
(Number shares authorized     100       ) Amount $                                         100
                              ---
(Number shares outstanding    100       ) Amount $                                         100
                              ---
19.  Surplus                              Amount $                                       9,990
20.  TOTAL CONTRIBUTED CAPITAL                                                          10,000
21.  Retained earnings and other capital reserves                                       10,286
22.  TOTAL SHAREHOLDERS EQUITY                                                          20,286
23.  TOTAL LIABILITIES AND CAPITAL ACCOUNTS                                             23,768
                                                                                        ======
</TABLE>
<PAGE>
 
MEMORANDA

1.  Assets deposited with State Treasurer to qualify for exercise of fiduciary
    powers (market value)                                  628
 


The undersigned,                        Francis J. Farrell, VP & Manager  and   
                                        --------------------------------  ----  
C. Scott Boone, Senior Vice President
- -------------------------------------
           (Name and Title)                       (Name and Title)

of the above named trust company, each declares, for himself alone and not for
the other:  I have a personal knowledge of the matters contained in this report
(including the reverse side hereof), and I believe that each statement in said
report is true.  Each of the undersigned, for himself alone and not for the
other, certifies under penalty of perjury that the foregoing is true and
correct.

Executed on    10/21/97       , at  San Francisco       , California
               --------       -     -------------       -           
                 (Date)                 (City)

              /s/ Francis J. Farrell              /s/ C. Scott Boone
              ----------------------              -------------------
                  (Signature)                         (Signature)


<TABLE>
<CAPTION>
 
 
          SCHEDULE OF OTHER ASSETS
<S>                                         <C>
 
       Accounts Receivable                                     $  266
       Permanent Payroll Advance                                    3
       Severance payout to be Reimbursed                          111
       Deferred Taxes                                             385
 
          Total (same as Item 10)                              $  765
 

     SCHEDULE OF OTHER LIABILITIES

       Accrued Income Taxes                                    $2,102   
       Accounts Payable                                            26 
       Retirement Benefits                                        913 
       Accrued Employee Benefits                                   79 
       All Other Liabilities                                      362 
                                                               ------ 
          Total (same as Item 14)                              $3,482  
 
</TABLE>


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