MERRILL LYNCH PIERCE FENNER & SMITH INC
424B1, 2000-02-25
ASSET-BACKED SECURITIES
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<PAGE>
                                                  PURSUANT TO RULE NO. 424(b)(1)
PROSPECTUS                                        REGISTRATION NO. 333-96069


                    [LOGO OF HOLDRS INTERNET INFRASTRUCTURE]
                       1,000,000,000 Depositary Receipts
                    Internet Infrastructure HOLDRS SM Trust

      The Internet Infrastructure HOLDRS SM Trust will issue Depositary
Receipts called Internet Infrastructure HOLDRS SM representing your undivided
beneficial ownership in the U.S.-traded common stock, of a group of specified
companies that, among other things, provide software and related services,
which allow Internet companies to better manage their Web sites and improve
online communications. The Bank of New York will be the trustee. You only may
acquire, hold or transfer Internet Infrastructure HOLDRS in a round-lot amount
of 100 Internet Infrastructure HOLDRS or round-lot multiples. Internet
Infrastructure HOLDRS are separate from the underlying deposited common stocks
that are represented by the Internet Infrastructure HOLDRS. For a list of the
names and the number of shares of the companies that make up an Internet
Infrastructure HOLDRS, see "Highlights of Internet Infrastructure HOLDRS--The
Internet Infrastructure HOLDRS" starting on page 10. Merrill Lynch, Pierce,
Fenner and Smith Incorporated has sold 4,900,000 Internet Infrastructure HOLDRS
in the initial distribution. The trust will issue the additional Internet
Infrastructure HOLDRS on a continuous basis.

      Investing in Internet Infrastructure HOLDRS involves significant risks.
See "Risk factors" starting on page 4.

      The initial public offering price for a round-lot of 100 Internet
Infrastructure HOLDRS will equal the sum of the closing market price on the
primary trading market on February 24, 2000 for each deposited share multiplied
by the share amount specified in this prospectus, plus an underwriting fee.

      Internet Infrastructure HOLDRS are neither interests in nor obligations
of either the initial depositor, Merrill Lynch, Pierce, Fenner & Smith
Incorporated, or The Bank of New York, as trustee.

      Before this issuance, there has been no public market for Internet
Infrastructure HOLDRS. The Internet Infrastructure HOLDRS have been approved
for listing on the American Stock Exchange under the symbol "IIH", subject to
official notice of issuance.

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

      Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved these securities or determined if this
prospectus is truthful or complete. Any representation to the contrary is a
criminal offense.

<TABLE>
<CAPTION>
                                                      Initial Price Underwriting
                                                       to Public*       Fee
                                                      ------------- ------------
     <S>                                              <C>           <C>
     Per Internet Infrastructure HOLDR...............    $96.67          2%
</TABLE>
    --------
    * Includes underwriting fee.

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

                              Merrill Lynch & Co.

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

               The date of this prospectus is February 24, 2000.

"HOLDRS" and "HOLding Company Depositary ReceiptS" are service marks of Merrill
Lynch & Co., Inc.
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Summary....................................................................   3
Risk Factors...............................................................   4
Highlights of Internet Infrastructure HOLDRS...............................   9
The Trust..................................................................  16
Description of Internet Infrastructure HOLDRS..............................  16
Description of the Underlying Securities...................................  17
Description of the Depositary Trust Agreement..............................  19
Federal Income Tax Consequences............................................  22
ERISA Considerations.......................................................  23
Plan of Distribution.......................................................  23
Legal Matters..............................................................  24
Where You Can Find More Information........................................  24
</TABLE>

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

      This prospectus contains information you should consider when making your
investment decision. With respect to information about Internet Infrastructure
HOLDRS, you should rely only on the information contained in this prospectus.
We have not authorized any other person to provide you with different
information. If anyone provides you with different or inconsistent information,
you should not rely on it. We are not making an offer to sell Internet
Infrastructure HOLDRS in any jurisdiction where the offer or sale is not
permitted.

                                       2
<PAGE>

                                    SUMMARY

     The Internet Infrastructure HOLDRS trust will be formed under the
depositary trust agreement, dated as of February 18, 2000 among The Bank of
New York, as trustee, Merrill Lynch, Pierce, Fenner & Smith Incorporated,
other depositors and the owners of the Internet Infrastructure HOLDRS. The
trust is not a registered investment company under the Investment Company Act
of 1940.

     The trust will hold shares of common stock issued by 20 specified
companies generally considered to be involved in various aspects of the
Internet infrastructure segment of the Internet industry. The Internet
infrastructure segment of the Internet industry consists of companies that,
among other things, provide software and related services, which allow
Internet companies to better manage their Web sites and improve online
communications. The number of shares of each common stock held by the trust
with respect to each round-lot of Internet Infrastructure HOLDRS is specified
under "Highlights of Internet Infrastructure HOLDRS--The Internet
Infrastructure HOLDRS." This group of common stocks is referred to as the
underlying securities. Except when a reconstitution event occurs, the
underlying securities will not change.

     Under no circumstances will a new company be added to the group of
issuers of underlying securities.

     The trust will issue Internet Infrastructure HOLDRS that represent your
undivided beneficial ownership interest in the shares of common stock held by
the trust on your behalf. The Internet Infrastructure HOLDRS are separate from
the underlying common stocks that are represented by the Internet
Infrastructure HOLDRS.

                                       3
<PAGE>

                                  RISK FACTORS

      An investment in Internet Infrastructure HOLDRS involves risks similar to
investing in each of the underlying securities outside of the Internet
Infrastructure HOLDRS, including the risks associated with concentrated
investments in Internet infrastructure companies.

General Risk Factors

     .  Loss of investment. Because the value of Internet Infrastructure
        HOLDRS directly relates to the value of the underlying securities,
        you may lose all or a substantial portion of your investment in
        the Internet Infrastructure HOLDRS if the underlying securities
        decline in value.

     .  Discount trading price. Internet Infrastructure HOLDRS may trade
        at a discount to the aggregate value of the underlying securities.

     .  Not necessarily representative of the Internet infrastructure
        segment of the Internet industry. While the underlying securities
        are common stocks of companies generally considered to be involved
        in various aspects of the Internet infrastructure segment of the
        Internet industry, the underlying securities and the Internet
        Infrastructure HOLDRS may not necessarily follow the price
        movements of the entire Internet infrastructure segment generally.
        If the underlying securities decline in value, your investment in
        the Internet Infrastructure HOLDRS will decline in value even if
        common stock prices in the Internet infrastructure segment
        generally increase in value. Furthermore, after the initial
        deposit, one or more of the issuers of the underlying securities
        may no longer be involved in the Internet infrastructure segment
        of the Internet industry. In this case, the Internet
        Infrastructure HOLDRS may no longer consist of securities issued
        only by companies involved in the Internet infrastructure segment.

     .  No investigation of underlying securities. The underlying
        securities included in the Internet Infrastructure HOLDRS were
        selected by Merrill Lynch, Pierce, Fenner & Smith Incorporated
        based on the market capitalization of issuers and the market
        liquidity of common stocks in the Internet infrastructure segment
        of the Internet industry, without regard for the value, price
        performance, volatility or investment merit of the underlying
        securities. Consequently, the Internet Infrastructure HOLDRS
        trust, the trustee, Merrill Lynch, Pierce, Fenner & Smith
        Incorporated, and their affiliates, have not performed any
        investigation or review of the selected companies, including the
        public filings by the companies. Investors and market participants
        should not conclude that the inclusion of a company is any form of
        investment recommendation by the trust, the trustee, Merrill
        Lynch, Pierce, Fenner & Smith Incorporated, or their affiliates.

     .  Loss of diversification. As a result of business developments,
        reorganizations, or market fluctuations affecting issuers of the
        underlying securities, Internet Infrastructure HOLDRS may not
        necessarily continue to be a diversified investment in the
        Internet infrastructure segment of the Internet industry. As a
        result of market fluctuation and/or reconstitution events,
        Internet Infrastructure HOLDRS may represent a concentrated
        investment in one or more of the underlying securities which would
        reduce investment diversification and increase your exposure to
        the risks of concentrated investments.

     .  Conflicting investment choices. In order to sell one or more of
        the underlying securities individually or to participate in a
        tender offer relating to one or more of the underlying securities,
        you will be required to cancel your Internet Infrastructure HOLDRS
        and receive delivery of each of the underlying securities. The
        cancellation of your Internet Infrastructure HOLDRS will allow you
        to sell individual underlying securities or to deliver individual

                                       4
<PAGE>

        underlying securities in a tender offer. The cancellation of
        Internet Infrastructure HOLDRS will involve payment of a
        cancellation fee to the trustee.

     .  Trading halts. Trading in Internet Infrastructure HOLDRS may be
        halted if trading in one or more of the underlying securities is
        halted. If so, you will not be able to trade Internet
        Infrastructure HOLDRS even though there is trading in some of the
        underlying securities; however, you will be able to cancel your
        Internet Infrastructure HOLDRS to receive the underlying
        securities.
     .  Delisting from the American Stock Exchange. If the number of
        companies whose common stock is held in the trust falls below
        nine, the American Stock Exchange may consider delisting the
        Internet Infrastructure HOLDRS. If the Internet Infrastructure
        HOLDRS are delisted by the American Stock Exchange, a termination
        event will result unless the Internet Infrastructure HOLDRS are
        listed for trading on another national securities exchange or
        through NASDAQ within five business days from the date the
        Internet Infrastructure HOLDRS are delisted.
     .  Possible conflicts of interest. Merrill Lynch, Pierce, Fenner &
        Smith Incorporated, as initial depositor, has selected the
        underlying securities and may face possible conflicts of interest
        in connection with its activities. For example, Merrill Lynch,
        Pierce, Fenner & Smith Incorporated and its affiliates,
        collectively referred to as Merrill Lynch, may engage in
        investment banking and other activities, may provide services to
        issuers of the underlying securities in connection with its
        business, or may trade in the underlying securities for its own
        account. All of these activities may result in conflicts of
        interest with respect to the financial interest of Merrill Lynch,
        on the one hand, and, on the other hand, the initial selection of
        the underlying securities included in the Internet Infrastructure
        HOLDRS, the selection of the Internet infrastructure segment of
        the Internet industry, Merrill Lynch's activity in the secondary
        market in the underlying securities, and the creation and
        cancellation of Internet Infrastructure HOLDRS by Merrill Lynch.

     .  Temporary price increases in the underlying securities. Purchasing
        activity in the secondary trading market associated with acquiring
        the underlying securities for deposit into the trust may affect
        the market price of the deposited shares. Large volumes of
        purchasing activity, which may occur in connection with the
        issuance of Internet Infrastructure HOLDRS, particularly in
        connection with the initial issuance of Internet Infrastructure
        HOLDRS, could temporarily increase the market price of the
        underlying securities, resulting in a higher price on that date.
        This purchasing activity could create a temporary imbalance
        between the supply and demand of the underlying securities,
        thereby limiting the liquidity of the underlying securities due to
        a temporary increased demand for underlying securities.
        Consequently, prices for the underlying securities may decline
        after these purchases as the volume of purchases decreases. This
        in turn is likely to have an immediate, adverse effect on the
        trading price of Internet Infrastructure HOLDRS.

      Risk Factors Specific to the Internet Infrastructure Segment of the
Internet Industry

     .  Internet infrastructure company stock prices have been and will
        likely continue to be extremely volatile, which will directly
        affect the price volatility of the Internet Infrastructure HOLDRS,
        and you could lose all or part of your investment. The trading
        prices of the common stocks of Internet infrastructure companies
        have been and are likely to be extremely volatile. Internet
        infrastructure companies' stock prices could be subject to wide
        fluctuations in response to a variety of factors, including the
        following:

            .  actual or anticipated variations in companies' quarterly
               operating results;

                                       5
<PAGE>

            .  announcements of technological innovations or new services by
               Internet companies or their competitors;

            .  changes in financial estimates by securities analysts;

            .  conditions or trends in Internet online service companies;

            .  conditions or trends in online securities trading;

            .  changes in the market valuations of the Internet or online
               service companies;

            .  developments in Internet regulations;

            .  announcements by Internet infrastructure companies or their
               competitors of significant acquisitions, strategic
               partnerships, joint ventures or capital commitments;

            .  unscheduled system downtime;

            .  additions or departures of key personnel; and

            .  sales of Internet infrastructure companies' common stock or
               other securities in the open market.

            In addition, the trading prices of Internet infrastructure stocks
            in general have experienced extreme price and volume fluctuations
            in recent months. These fluctuations often have been unrelated or
            disproportionate to the operating performance of these companies.
            The valuations of many Internet infrastructure stocks are
            extraordinarily high when measured by conventional valuation
            standards such as price to earnings and price to sales ratios.
            Some of the companies do not or in the future might not have
            earnings. As a result, these trading prices may decline
            substantially. These trading prices and valuations may not be
            sustained. Also, any negative change in the public's perception of
            the prospects of Internet or e-commerce companies could depress
            the stock prices of an Internet infrastructure company regardless
            of its operating results. Other broad market and industry factors
            may also decrease the stock price of Internet infrastructure
            stocks, regardless of their operating results. Market
            fluctuations, as well as general political and economic
            conditions, such as recession or interest rate or currency rate
            fluctuations, also may decrease the market price of Internet
            infrastructure stocks.

     .  Internet infrastructure companies must keep pace with rapid
        technological change to remain competitive. The Internet market is
        characterized by rapidly changing technology, evolving industry
        standards and practices, frequent new product and service
        introductions and enhancements and changing customer demands.
        These market characteristics are heightened by the emerging nature
        of the Internet and the apparent need of companies from a
        multitude of industries to offer Web-based products and services.
        Internet companies' success therefore will depend on their ability
        to adapt to rapidly changing technologies, to adapt their services
        to evolving industry standards and to continually improve the
        performance, features and reliability of their service. Failure to
        adapt to such changes would harm their business. In addition, the
        widespread adoption of new Internet, networking or
        telecommunications technologies or other technological changes
        could require substantial expenditures to modify or adapt their
        services or infrastructure.

     .  New laws and regulations with respect to the Internet could impede
        its commercial development and adversely affect the business of
        many Internet infrastructure companies.  Due to the increasing
        popularity and use of the Internet and other online services, it
        is possible that a number of laws and regulations may be adopted
        with respect to the Internet or other online services covering
        issues such as user privacy, pricing, content, copyrights,
        distribution and characteristics and quality of products and
        services. Furthermore, the growth

                                       6
<PAGE>

        and development of the market for online interaction and commerce
        may prompt calls for more stringent consumer protection laws that
        may impose additional burdens on companies conducting business
        online. The adoption of any additional laws or regulations may
        impede the growth of the Internet or other online services which
        could have a material adverse effect on the business, results of
        operations and financial condition of Internet infrastructure
        companies.

     .  If Internet use fails to grow and be accepted as a medium for
        online commerce and communication demand for the products and
        services of Internet infrastructure companies will decline. Future
        revenues and any future profits of Internet infrastructure
        companies depend substantially upon the widespread acceptance and
        use of the Internet and other online services as an effective
        medium of communication and commerce by consumers. Rapid growth in
        the use of and interest in the Web, the Internet and other online
        services is a recent phenomenon. There is no assurance that
        acceptance and use will continue to develop or that a sufficiently
        broad base of consumers will adopt, and continue to use, the
        Internet and other online services as a medium of communication
        and commerce. Demand and market acceptance for recently introduced
        services and products over the Internet are subject to a high
        level of uncertainty and few proven services and products exist.
        Internet companies rely on consumers who have previously used
        traditional means of commerce to exchange information and to
        purchase goods and services. For the businesses of Internet
        infrastructure companies to grow, consumers must accept and use
        new ways of conducting business and exchanging information on the
        Internet.

     .  If Internet infrastructure companies fail to increase market
        awareness of their brands they will lose revenue opportunities and
        their sales will suffer. Failure of many Internet infrastructure
        companies to promote their respective brand names or the
        incurrence of significant expenses promoting and maintaining brand
        names could have a material adverse effect on the business,
        results of operations and financial condition of many Internet
        infrastructure companies. Due in part to the emerging nature of
        the market for Internet management solutions offered by Internet
        infrastructure companies, there may be a time-limited opportunity
        to achieve and maintain a significant market share. Therefore,
        market awareness of the brand names of many of these companies is
        critical to achieving widespread acceptance of their products and
        services. There can be no assurance that Internet infrastructure
        companies will be successful in increasing market awareness of
        their brands.

     .  The ability of many Internet infrastructure companies to offer
        their products and services depends on their ability to manage
        rapid growth, which if inefficiently managed, could adversely
        affect their revenues. Many Internet infrastructure companies are,
        or plan to, rapidly expand their operations. Success of the
        marketing strategies of many of these companies will place
        extraordinary demands on their network infrastructure and
        technical support. This expansion has placed and will continue to
        place a significant strain on the management, financial controls,
        operations systems, personnel and other resources of many Internet
        infrastructure companies. There can be no assurance that these
        companies will complete the necessary improvements to their
        systems, procedures and controls necessary to support their future
        operations in a timely manner or that management will be able to
        hire, train, retain and manage required personnel to manage such
        rapid growth.

     .  Inability to adequately protect proprietary rights may harm the
        competitive positions of many Internet infrastructure
        companies. Many Internet infrastructure companies rely on a
        combination of copyrights, trademark, service mark and trade
        secret laws and contractual restrictions to establish and protect
        proprietary rights in their products and services. There can be no
        assurance that these companies will be able to protect their
        intellectual property if they are unable to enforce their rights
        or if they do not detect unauthorized use of their

                                       7
<PAGE>

        intellectual property. Furthermore, any steps taken to protect
        intellectual property may be inadequate, time consuming and
        expensive. In addition, Internet infrastructure companies may be
        subject to claims that their products and services infringe the
        intellectual property
        rights of others. Any claim, whether meritorious or not, could be
        time consuming, result in costly litigation, delay product or
        service introduction or require Internet infrastructure companies
        to enter to royalty or licensing agreements. Legal standards
        relating to the validity, enforceability and scope of protection
        of intellectual property rights in Internet-related industries are
        uncertain and still evolving, and the future viability or value of
        any of the intellectual property rights of Internet infrastructure
        companies is uncertain.

     .  Many Internet infrastructure companies are developing strategies
        to generate additional revenues for their products and services
        outside the United States and if these strategies fail it could
        result in slower revenue growth and losses. Many Internet
        infrastructure companies believe that they must expand their
        international sales activities to be successful as usage of the
        Internet increases globally. The expansion to international
        markets will require significant management attention and
        financial resources to develop and expand international sales and
        marketing activities. However, many Internet infrastructure
        companies cannot be certain that investments in establishing
        facilities in other countries will produce anticipated revenues as
        they have limited experience developing localized versions of
        their products and services and marketing products and services
        internationally.

     .  Many Internet infrastructure companies have a limited operating
        history which makes financial forecasting difficult. Many Internet
        infrastructure companies are not able to forecast operating
        expenses based on their historical results. Accordingly, they base
        their forecast for expenses in part on future revenue projections.
        Most expenses are fixed in the short term and it may not be
        possible to quickly reduce spending if revenues are lower than
        projected. Internet infrastructure companies ability to forecast
        accurately their quarterly revenue is limited because their
        software products have a long sales cycle that makes it difficult
        to predict the quarter in which they can recognize revenue, and
        because of the variability of client demand for professional
        services. Internet infrastructure companies would expect their
        business, operating results and financial condition to be
        materially adversely affected if their revenues do not meet their
        projections and that net losses in a given quarter would be even
        greater than expected.

     .  Many Internet infrastructure companies are dependent on their
        ability to continue to retain and attract highly skilled technical
        and managerial personnel to develop and operate their
        businesses. The success of many Internet infrastructure companies
        is highly dependent on the experience, abilities and continued
        services of key executive officers and key technical personnel. If
        these companies lose the services of any of these key officers or
        key technical personnel, their future success could be undermined.
        Competition for personnel is intense. There is no certainty that
        any of these Internet infrastructure companies will be able to
        continue to attract and retain qualified personnel.

     .  Many Internet infrastructure companies have a history of incurring
        losses which may make it difficult for these companies to fund
        their future operations. Many Internet infrastructure companies
        have incurred significant losses since their inception and they
        may continue to incur losses for the foreseeable future. Many of
        these Internet infrastructure companies will also continue to
        incur losses as additional costs are incurred to develop new
        technology, products and services, expand marketing and sales
        operations in existing and new markets and develop administrative
        facilities. If Internet infrastructure companies do not achieve
        and sustain profitability, their ability to respond effectively to
        market conditions, to make capital expenditures and to take
        advantage of business opportunities could be adversely affected.


                                       8
<PAGE>

                  HIGHLIGHTS OF INTERNET INFRASTRUCTURE HOLDRS

      This discussion highlights information regarding Internet Infrastructure
HOLDRS; we present certain information more fully in the rest of this
prospectus. You should read the entire prospectus carefully before you purchase
Internet Infrastructure HOLDRS.

Issuer.......................  Internet Infrastructure
                               HOLDRS Trust.

The trust....................  The Internet Infrastructure HOLDRS Trust will
                               be formed under the depositary trust agreement,
                               dated as of February 18, 2000 among The Bank of
                               New York, as trustee, Merrill Lynch, Pierce,
                               Fenner & Smith Incorporated, other depositors
                               and the owners of the Internet Infrastructure
                               HOLDRS. The trust is not a registered
                               investment company under the Investment Company
                               Act of 1940.

Initial depositor............  Merrill Lynch, Pierce, Fenner & Smith
                               Incorporated.

Trustee......................  The Bank of New York, a New York state-
                               chartered banking organization, will be the
                               trustee and receive compensation as set forth
                               in the depositary trust agreement.

Purpose of Internet
 Infrastructure HOLDRS.......
                               Internet Infrastructure HOLDRS are designed to
                               achieve the following:

                               Diversification. Internet Infrastructure HOLDRS
                               are designed to allow you to diversify your
                               investment in the Internet infrastructure
                               segment of the Internet industry through a
                               single, exchange-listed instrument representing
                               your undivided beneficial ownership of the
                               underlying securities.

                               Flexibility. The beneficial owners of Internet
                               Infrastructure HOLDRS have undivided beneficial
                               ownership interests in each of the underlying
                               securities represented by the Internet
                               Infrastructure HOLDRS, and can cancel their
                               Internet Infrastructure HOLDRS to receive each
                               of the underlying securities represented by the
                               Internet Infrastructure HOLDRS.

                               Transaction costs. The expenses associated with
                               trading Internet Infrastructure HOLDRS are
                               expected to be less than trading each of the
                               underlying securities separately.

Trust assets.................  The trust will hold shares of common stock
                               issued by specified Internet infrastructure
                               companies. Except when a reconstitution event
                               occurs, the group of companies will not change.
                               Reconstitution events are described in this
                               prospectus under the heading "Description of
                               the depositary trust agreement-- Reconstitution
                               events." Under no circumstances will the common
                               stock of a new company be added to the common
                               stocks underlying the Internet Infrastructure
                               HOLDRS.


                                       9
<PAGE>

                               The trust's assets may increase or decrease as
                               a result of in-kind deposits and withdrawals of
                               the underlying securities during the life of
                               the trust.

The Internet Infrastructure        The trust will issue Internet
HOLDRS.......................  Infrastructure HOLDRS that represent your
                               undivided beneficial ownership interest in the
                               shares of U.S.-traded common stock held by the
                               trust on your behalf. The Internet
                               Infrastructure HOLDRS themselves are separate
                               from the underlying securities that are
                               represented by the Internet Infrastructure
                               HOLDRS.

                               The specific share amounts for each round-lot
                               of 100 Internet Infrastructure HOLDRS are set
                               forth in the chart below and were determined on
                               February 24, 2000, the pricing date, so that
                               the initial weightings of each underlying
                               security included in the Internet
                               Infrastructure HOLDRS approximates the relative
                               market capitalizations of the specified
                               companies (based on the closing market prices
                               of the underlying securities on the trading day
                               immediately preceding the pricing date),
                               subject to a maximum initial weight of 20%.

                               The share amounts, set forth below, will not
                               change, except for changes due to corporate
                               events, such as stock splits or reverse stock
                               splits on the underlying securities, or
                               reconstitution events. However, the weightings
                               are expected to change substantially over time
                               because of price fluctuations.

                               The following chart provides the

                               .  names of the 20 issuers of the underlying
                                  securities represented by the Internet
                                  Infrastructure HOLDRS,

                               .  stock ticker symbols,

                               .  share amounts represented by a round-lot of
                                  100 Internet Infrastructure HOLDRS (as of
                                  February 23, 2000),

                               .  initial weightings as of February 23, 2000,
                                  and

                               .  principal market on which the shares of
                                  common stock of the selected companies are
                                  traded.

                                       10
<PAGE>

<TABLE>
<CAPTION>
                                                                        Primary
                                              Ticker  Share   Initial   Trading
                        Name of Company              Amounts Weightings Market
                   -------------------------  ------ ------- ---------- -------
                   <S>                        <C>    <C>     <C>        <C>
                   VERISIGN INC.              VRSN       4     10.92%   NASDAQ
                   EXODUS COMMUNICATIONS
                    INC.                      EXDS       6      8.94%   NASDAQ
                   INFOSPACE.COM INC.         INSP       4      8.75%   NASDAQ
                   AKAMAI TECHNOLOGIES INC.   AKAM       3      8.51%   NASDAQ
                   BEA SYSTEMS INC.           BEAS       5      7.82%   NASDAQ
                   BROADVISION INC.(/1/)      BVSN       3      7.01%   NASDAQ
                   INKTOMI CORPORATION        INKT       4      6.15%   NASDAQ
                   REALNETWORKS INC.          RNWK       6      5.51%   NASDAQ
                   VIGNETTE CORPORATION       VIGN       2      5.29%   NASDAQ
                   PORTAL SOFTWARE INC.       PRSF       6      5.23%   NASDAQ
                   INTERNAP NETWORK SERVICES
                    CORPORATION               INAP       5      4.41%   NASDAQ
                   VITRIA TECHNOLOGY          VITR       2      3.76%   NASDAQ
                   NETWORK SOLUTIONS
                    INC.(/2/)                 NSOL       1      3.37%   NASDAQ
                   KANA COMMUNICATIONS, INC.  KANA       2      3.02%   NASDAQ
                   DIGITAL ISLAND INC.        ISLD       2      2.42%   NASDAQ
                   ALTEON WEBSYSTEMS INC.     ATON       2      2.05%   NASDAQ
                   SOFTWARE.COM INC.          SWCM       2      2.02%   NASDAQ
                   E.PIPHANY INC.             EPNY       1      1.78%   NASDAQ
                   NAVISITE INC.              NAVI       1      1.63%   NASDAQ
                   USINTERNETWORKING INC.     USIX       2      1.40%   NASDAQ
</TABLE>
                               --------
                               (/1/)On March 14, 2000, as a result of a 3-for-
                                    1 stock split, the share amount of
                                    Broadvision, Inc., represented by a round-
                                    lot of 100 Internet Infrastructure HOLDRS,
                                    will be 9. Please see the description of
                                    Broadvision in Annex A.
                               (/2/)On March 13, 2000, as a result of a 2-for-
                                    1 stock split, the share amount of Network
                                    Solutions, Inc., represented by a round-
                                    lot of 100 Internet Infrastructure HOLDRS,
                                    will be 2. Please see the description of
                                    Network Solutions in Annex A.

                               These companies generally are considered to be
                               20 of the largest and most liquid companies
                               with U.S.-traded common stock involved in the
                               Internet infrastructure segment of the Internet
                               industry, as measured by market capitalization
                               and trading volume on February 7, 2000. The
                               market capitalization of a company is
                               determined by multiplying the price of its
                               common stock by the number of outstanding
                               shares of its common stock.

                               The trust only will issue and cancel, and you
                               only may obtain, hold, trade or surrender,
                               Internet Infrastructure HOLDRS in a round-lot
                               of 100 Internet Infrastructure HOLDRS and
                               round-lot multiples. The trust will only issue
                               Internet Infrastructure HOLDRS upon the deposit
                               of the whole shares represented by a round-lot
                               of 100 Internet Infrastructure HOLDRS. In the
                               event that a fractional share comes to be
                               represented by a round-lot of Internet
                               Infrastructure HOLDRS, the trust may require a
                               minimum of more than one round-lot of 100
                               Internet Infrastructure HOLDRS for an issuance
                               so that the trust will always receive whole
                               share amounts for issuance of Internet
                               Infrastructure HOLDRS.

                               The number of outstanding Internet
                               Infrastructure HOLDRS will increase and
                               decrease as a result of in-kind deposits and
                               withdrawals of the underlying securities. The
                               trust will stand ready to issue additional
                               Internet Infrastructure HOLDRS on a continuous

                                       11
<PAGE>

                               basis when an investor deposits the required
                               shares of common stock with the trustee.

Public offering price........  The initial public offering price for 100
                               Internet Infrastructure HOLDRS will equal the
                               sum of the closing market price on the primary
                               trading market on February 24, 2000, the
                               pricing date, for each underlying security
                               multiplied by the share amount to be determined
                               on the pricing date, plus an underwriting fee.

Purchases....................  After the initial offering, you may acquire
                               Internet Infrastructure HOLDRS in two ways:

                               .  through an in-kind deposit of the required
                                  number of shares of common stock of the
                                  underlying issuers with the trustee, or

                               .  through a cash purchase in the secondary
                                  trading market.

Underwriting fees............  If you purchase Internet Infrastructure HOLDRS
                               in the initial public offering, you will pay
                               Merrill Lynch, Pierce, Fenner & Smith
                               Incorporated, in its role as underwriter, an
                               underwriting fee equal to 2%.

                               You will not be charged any issuance fee or
                               other sales commission in connection with
                               purchases of Internet Infrastructure HOLDRS
                               made in the initial public offering.

Issuance and cancellation      After the initial offering, if you wish to
fees.........................  create Internet Infrastructure HOLDRS by
                               delivering to the trust the requisite shares of
                               common stock represented by a round-lot of 100
                               Internet Infrastructure HOLDRS, The Bank of New
                               York as trustee will charge you an issuance fee
                               of up to $10.00 for each round-lot of 100
                               Internet Infrastructure HOLDRS. If you wish to
                               cancel your Internet Infrastructure HOLDRS and
                               withdraw your underlying securities, The Bank
                               of New York as trustee will charge you a
                               cancellation fee of up to $10.00 for each
                               round-lot of 100 Internet Infrastructure
                               HOLDRS.

Commissions..................  If you choose to deposit underlying securities
                               in order to receive Internet Infrastructure
                               HOLDRS after the conclusion of the initial
                               public offering, you will not be charged the
                               underwriting fee. However, in addition to the
                               issuance fee charged by the trustee described
                               above, you will be responsible for paying any
                               sales commission associated with your purchase
                               of the underlying securities that is charged by
                               your broker, whether it be Merrill Lynch,
                               Pierce, Fenner & Smith Incorporated or another
                               broker.

Custody fees.................  The Bank of New York, as trustee and as
                               custodian, will charge you a quarterly custody
                               fee of $2.00 for each round-lot of 100 Internet
                               Infrastructure HOLDRS, to be deducted from any
                               cash

                                       12
<PAGE>

                               dividend or other cash distributions on
                               underlying securities received by the trust.
                               With respect to the aggregate custody fee
                               payable in any calendar year for each Internet
                               Infrastructure HOLDR, the Trustee will waive
                               that portion of the fee which exceeds the total
                               cash dividends and other cash distributions
                               received, or to be received, and payable with
                               respect to such calendar year.

Rights relating to Internet        You have the right to withdraw the
Infrastructure HOLDRS........  underlying securities upon request by
                               delivering a round-lot or integral multiple of
                               a round-lot of Internet Infrastructure HOLDRS
                               to the trustee, during the trustee's business
                               hours, and paying the cancellation fees, taxes,
                               and other charges. You should receive the
                               underlying securities no later than the
                               business day after the trustee receives a
                               proper notice of cancellation. The trustee will
                               not deliver fractional shares of underlying
                               securities. To the extent that any cancellation
                               of Internet Infrastructure HOLDRS would
                               otherwise require the delivery of a fractional
                               share, the trustee will sell such share in the
                               market and the trust, in turn, will deliver
                               cash in lieu of such share. Except with respect
                               to the right to vote for dissolution of the
                               trust, the Internet Infrastructure HOLDRS
                               themselves will not have voting rights.

Rights relating to the             You have the right to:
underlying securities........

                               .  Receive all shareholder disclosure
                                  materials, including annual and quarterly
                                  reports, distributed by the issuers of the
                                  underlying securities.

                               .  Receive all proxy materials distributed by
                                  the issuers of the underlying securities and
                                  will have the right to instruct the trustee
                                  to vote the underlying securities or may
                                  attend shareholder meetings yourself.

                               .  Receive dividends and other distributions on
                                  the underlying securities, if any are
                                  declared and paid to the trustee by an
                                  issuer of the underlying securities, net of
                                  any applicable taxes or fees.

                                  If you wish to participate in a tender offer
                                  for underlying securities, you must obtain
                                  the underlying securities by surrendering
                                  your Internet Infrastructure HOLDRS and
                                  receiving all of your underlying securities.
                                  For specific information about obtaining
                                  your underlying securities, you should read
                                  the discussion under the caption
                                  "Description of the depositary trust
                                  agreement."

Reconstitution events........  A. If an issuer of underlying securities no
                                  longer has a class of common stock
                                  registered under section 12 of the
                                  Securities Exchange Act of 1934, then its
                                  securities will no longer be an underlying
                                  security and the trustee will distribute the
                                  shares of that company to the owners of the
                                  Internet Infrastructure HOLDRS.


                                       13
<PAGE>

                               B. If the SEC finds that an issuer of
                                  underlying securities should be registered
                                  as an investment company under the
                                  Investment Company Act of 1940, and the
                                  trustee has actual knowledge of the SEC
                                  finding, then the trustee will distribute
                                  the shares of that company to the owners of
                                  the Internet Infrastructure HOLDRS.

                               C. If the underlying securities of an issuer
                                  cease to be outstanding as a result of a
                                  merger, consolidation or other corporate
                                  combination, the trustee will distribute the
                                  consideration paid by and received from the
                                  acquiring company to the beneficial owners
                                  of Internet Infrastructure HOLDRS, unless
                                  the merger, consolidation or other corporate
                                  combination is between companies that are
                                  already included in the Internet
                                  Infrastructure HOLDRS and the consideration
                                  paid is additional underlying securities. In
                                  this case, the additional underlying
                                  securities will be deposited into the trust.

                               D. If an issuer's underlying securities are
                                  delisted from trading on a national
                                  securities exchange or NASDAQ and are not
                                  listed for trading on another national
                                  securities exchange or through NASDAQ within
                                  five business days from the date such
                                  securities are delisted.

                               If a reconstitution event occurs, the trustee
                               will deliver the underlying security to you as
                               promptly as practicable after the date that the
                               trustee has knowledge of the occurrence of a
                               reconstitution event.

Termination events...........  A. The Internet Infrastructure HOLDRS are
                                  delisted from the American Stock Exchange
                                  and are not listed for trading on another
                                  national securities exchange or through
                                  NASDAQ within five business days from the
                                  date the Internet Infrastructure HOLDRS are
                                  delisted.

                               B. The trustee resigns and no successor trustee
                                  is appointed within 60 days from the date
                                  the trustee provides notice to Merrill
                                  Lynch, Pierce, Fenner & Smith Incorporated,
                                  as initial depositor, of its intent to
                                  resign.

                               C. 75% of beneficial owners of outstanding
                                  Internet Infrastructure HOLDRS vote to
                                  dissolve and liquidate the trust.

                               If a termination event occurs, the trustee will
                               distribute the underlying securities to you as
                               promptly as practicable after the termination
                               event.

Federal income tax             The federal income tax laws will treat a U.S.
consequences.................  holder of Internet Infrastructure HOLDRS as
                               directly owning the underlying securities. The
                               Internet Infrastructure HOLDRS themselves will
                               not result in any federal tax consequences
                               separate from the tax consequences associated
                               with ownership of the underlying securities.


                                       14
<PAGE>

Listing......................  The Internet Infrastructure HOLDRS have been
                               approved for listing on the American Stock
                               Exchange under the symbol "IIH", subject to
                               official notice of issuance. Trading will take
                               place only in round-lots of 100 Internet
                               Infrastructure HOLDRS and round-lot multiples.
                               A minimum of 150,000 Internet Infrastructure
                               HOLDRS will be required to be outstanding when
                               trading begins.

Trading......................  Investors only will be able to acquire, hold,
                               transfer and surrender a round-lot of 100
                               Internet Infrastructure HOLDRS. Bid and ask
                               prices, however, will be quoted per single
                               Internet Infrastructure HOLDRS.

Clearance and settlement.....  The trust will issue Internet Infrastructure
                               HOLDRS in book-entry form. Internet
                               Infrastructure HOLDRS will be evidenced by one
                               or more global certificates that the trustee
                               will deposit with The Depository Trust Company,
                               referred to as DTC. Transfers within DTC will
                               be in accordance with DTC's usual rules and
                               operating procedures. For further information
                               see "Description of Internet Infrastructure
                               HOLDRS."

                                       15
<PAGE>

                                   THE TRUST

      General. This discussion highlights information about the Internet
Infrastructure HOLDRS trust. You should read this information, information
about the depositary trust agreement as well as the depositary trust agreement
before you purchase Internet Infrastructure HOLDRS. The material terms of the
depositary trust agreement are described in this prospectus under the heading
"Description of the depositary trust agreement."

      The Internet Infrastructure HOLDRS trust. The trust will be formed
pursuant to the depositary trust agreement, dated as of February 18, 2000. The
Bank of New York will be the trustee. The Internet Infrastructure HOLDRS trust
is not a registered investment company under the Investment Company Act of
1940.

      The Internet Infrastructure HOLDRS trust is intended to hold deposited
shares for the benefit of owners of Internet Infrastructure HOLDRS. The trustee
will perform only administrative and ministerial acts. The property of the
trust will consist of the underlying securities and all monies or other
property, if any, received by the trustee. The trust will terminate on December
31, 2040, or earlier if a termination event occurs.

                 DESCRIPTION OF INTERNET INFRASTRUCTURE HOLDRS

      The trust will issue Internet Infrastructure HOLDRS under the depositary
trust agreement described in this prospectus under the heading "Description of
the depositary trust agreement." After the initial offering, the trust may
issue additional Internet Infrastructure HOLDRS on a continuous basis when an
investor deposits the requisite underlying securities with the trustee.

      You may only acquire, hold, trade and surrender Internet Infrastructure
HOLDRS in a round-lot of 100 Internet Infrastructure HOLDRS and round-lot
multiples. The trust will only issue Internet Infrastructure HOLDRS upon the
deposit of the whole shares of underlying securities that are represented by a
round-lot of 100 Internet Infrastructure HOLDRS. In the event of a stock split,
reverse stock split, or other distribution by the issuer of an underlying
security that results in a fractional share becoming represented by a round-lot
of Internet Infrastructure HOLDRS, the trust may require a minimum of more than
one round-lot of 100 Internet Infrastructure HOLDRS for an issuance so that the
trust will always receive whole share amounts for issuance of Internet
Infrastructure HOLDRS.

      Internet Infrastructure HOLDRS will represent your individual and
undivided beneficial ownership interest in the common stock of the specified
underlying securities. The 20 companies selected as part of this receipt
program are listed above in the section entitled "Highlights of Internet
Infrastructure HOLDRS--The Internet Infrastructure HOLDRS."

      Beneficial owners of Internet Infrastructure HOLDRS will have the same
rights and privileges as they would have if they beneficially owned the
underlying securities outside of the trust. These include the right of
investors to instruct the trustee to vote the common stock, and to receive
dividends and other distributions on the underlying securities, if any are
declared and paid to the trustee by an issuer of an underlying security, as
well as the right to cancel Internet Infrastructure HOLDRS to receive the
underlying securities. See "Description of the depositary trust agreement."
Internet Infrastructure HOLDRS are not intended to change your beneficial
ownership in the underlying securities under federal securities laws, including
Sections 13(d) and 16(a) of the Securities Exchange Act of 1934.

      The trust will not publish or otherwise calculate the aggregate value of
the underlying securities represented by a receipt. Internet Infrastructure
HOLDRS may trade in the secondary market at prices that are lower than the
aggregate value of the corresponding underlying securities. If, in such case,
an owner of Internet Infrastructure HOLDRS wishes to realize the dollar value
of the underlying securities, that owner will have to

                                       16
<PAGE>

cancel the Internet Infrastructure HOLDRS. Such cancellation will require
payment of fees and expenses as described in "Description of the depositary
trust agreement--Withdrawal of underlying securities."

      Internet Infrastructure HOLDRS will be evidenced by one or more global
certificates that the trustee will deposit with DTC and register in the name of
Cede & Co., as nominee for DTC. Internet Infrastructure HOLDRS will be
available only in book-entry form. Owners of Internet Infrastructure HOLDRS may
hold their Internet Infrastructure HOLDRS through DTC, if they are participants
in DTC, or indirectly through entities that are participants in DTC.

                    DESCRIPTION OF THE UNDERLYING SECURITIES

      Selection criteria. The underlying securities are the common stocks of a
group of 20 specified companies involved in various segments of the Internet
infrastructure segment of the Internet industry and whose common stock is
registered under Section 12 of the Exchange Act. The issuers of the underlying
securities are considered to be 20 of the largest capitalized, most liquid
companies in the Internet infrastructure segment as measured by market
capitalization and trading volume. The following criteria were used in
selecting the underlying securities on February 7, 2000:

    .  Market capitalization equal to or greater than $3 billion;

    .  Average daily trading volume of at least 240,000 shares over the 60
       trading days before February 7, 2000;

    .  Average daily dollar volume (that is, the average daily trading
       volume multiplied by the average closing price over the 60 day period
       prior to February 7, 2000) of at least $16 million over the 60
       trading days before February 7, 2000; and

    .  A trading history of at least 90 calendar days.

      The market capitalization of a company is determined by multiplying the
price of its common stock by the number of shares of its common stock that are
held by stockholders. In determining whether a company was to be considered for
inclusion in the Internet Infrastructure HOLDRS, Merrill Lynch, Pierce, Fenner
& Smith Incorporated examined available public information about the company,
including analysts' reports and other independent market sources. The ultimate
determination of the inclusion of the 20 specified companies, however, rested
solely within the discretion of Merrill Lynch, Pierce, Fenner & Smith
Incorporated.

      After the initial deposit, one or more of the issuers of the underlying
securities may no longer be substantially involved in the Internet
infrastructure segment of the Internet industry. In this case, the Internet
Infrastructure HOLDRS may no longer consist of securities issued by companies
involved in the Internet infrastructure segment. Merrill Lynch, Pierce, Fenner
& Smith Incorporated will determine, in its sole discretion, whether the issuer
of a particular underlying security remains in the Internet infrastructure
segment of the Internet industry and will undertake to make adequate disclosure
when necessary.

      Underlying securities. For a list of the underlying securities
represented by Internet Infrastructure HOLDRS, please refer to "Highlights of
Internet Infrastructure HOLDRS--The Internet Infrastructure HOLDRS." If the
underlying securities change because of a reconstitution event, a revised list
of underlying securities will be set forth in a prospectus supplement and will
be available from the American Stock Exchange and through a widely used
electronic information dissemination system such as Bloomberg or Reuters.

      No investigation. In selecting the underlying securities, the trust, the
trustee, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and any affiliate
of these entities, have not performed any investigation or review of the
selected companies, including the public filings by the companies, other than
to the extent required to determine whether the companies satisfied the stated
selection criteria. Accordingly, before you acquire Internet

                                       17
<PAGE>

Infrastructure HOLDRS, you should consider publicly available financial and
other information about the issuers of the underlying securities. See "Risk
factors" and "Where you can find more information." Investors and market
participants should not conclude that the inclusion of a company in the list is
any form of investment recommendation of that company by the trust, the
trustee, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and any of their
affiliates.

      General background and historical information. For a brief description of
the business of each of the issuers of the underlying securities and monthly
pricing information showing the historical performance of each underlying
issuer's securities, see "Annex A."

      The following table and graph set forth the composite performance of all
of the underlying securities represented by a single Internet Infrastructure
HOLDR based upon the share amounts set forth in the table on page 11 of this
prospectus, measured at the close of each business day from October 29, 1999
the first date when all of the underlying securities were publicly traded, to
February 7, 2000. The performance table and graph data are adjusted for any
splits that may have occurred over the measurement period. Past movements of
the underlying securities are not necessarily indicative of future values.

<TABLE>
<CAPTION>
                  Internet                      Internet                    Internet                    Internet
               Infrastructure                Infrastructure              Infrastructure              Infrastructure
1999               HOLDRS     1999               HOLDRS     2000             HOLDRS     2000             HOLDRS
- ----           -------------- ----           -------------- ----         -------------- ----         --------------
<S>            <C>            <C>            <C>            <C>          <C>            <C>          <C>
October 29..       33.63      December 1...      46.37      January 3...     71.22      February 1..     69.47
November 1..       35.19      December 2...      49.33      January 4...     67.71      February 2..     70.20
November 2..       35.99      December 3...      52.31      January 5...     65.35      February 3..     73.22
November 3..       36.82      December 6...      55.35      January 6...     59.43      February 4..     72.44
November 4..       36.62      December 7...      57.98      January 7...     63.29      February 7..     73.39
November 5..       38.41      December 8...      60.23      January 10..     70.10
November 8..       41.44      December 9...      61.76      January 11..     68.40
November 9..       40.68      December 10..      61.63      January 12..     64.79
November 10..      40.62      December 13..      60.74      January 13..     66.18
November 11..      39.71      December 14..      58.76      January 14..     66.53
November 12..      40.45      December 15..      58.72      January 18..     69.06
November 15..      41.24      December 16..      62.16      January 19..     69.89
November 16..      44.56      December 17..      63.37      January 20..     72.75
November 17..      43.91      December 20..      64.16      January 21..     76.67
November 18..      46.26      December 21..      68.21      January 24..     74.17
November 19..      46.19      December 22..      68.34      January 25..     76.25
November 22..      47.45      December 23..      67.58      January 26..     75.05
November 23..      48.19      December 27..      66.62      January 27..     76.03
November 24..      48.48      December 28..      67.53      January 28..     70.30
November 26..      49.70      December 29..      69.40      January 31..     67.84
November 29..      50.01      December 30..      69.85
November 30..      47.34      December 31..      70.28
</TABLE>


                                  [LINE GRAPH]


                                       18
<PAGE>

                 DESCRIPTION OF THE DEPOSITARY TRUST AGREEMENT

      General. The depositary trust agreement, dated as of February 18, 2000,
among Merrill Lynch, Pierce, Fenner & Smith Incorporated, The Bank of New York,
as trustee, other depositors and the owners of the Internet Infrastructure
HOLDRS, provides that Internet Infrastructure HOLDRS will represent an owner's
undivided beneficial ownership interest in the common stock of the underlying
companies.

      The trustee. The Bank of New York will serve as trustee. The Bank of New
York, which was founded in 1784, was New York's first bank and is the oldest
bank in the country still operating under its original name. The Bank is a
state-chartered New York banking corporation and a member of the Federal
Reserve System. The Bank conducts a national and international wholesale
banking business and a retail banking business in the New York City, New Jersey
and Connecticut areas, and provides a comprehensive range of corporate and
personal trust, securities processing and investment services.

      Issuance, transfer and surrender of Internet Infrastructure HOLDRS. You
may create and cancel Internet Infrastructure HOLDRS only in round-lots of 100
Internet Infrastructure HOLDRS. You may create Internet Infrastructure HOLDRS
by delivering to the trustee the requisite underlying securities. The trust
will only issue Internet Infrastructure HOLDRS upon the deposit of the whole
shares represented by a round-lot of 100 Internet Infrastructure HOLDRS. In the
event that a fractional share comes to be represented by a round-lot of
Internet Infrastructure HOLDRS, the trust may require a minimum of more than
one round-lot of 100 Internet Infrastructure HOLDRS for an issuance so that the
trust will always receive whole share amounts for issuance of Internet
Infrastructure HOLDRS. Similarly, you must surrender Internet Infrastructure
HOLDRS in integral multiples of 100 Internet Infrastructure HOLDRS to withdraw
deposited shares from the trust. The trustee will not deliver fractional shares
of underlying securities, to the extent that any cancellation of Internet
Infrastructure HOLDRS would otherwise require the delivery of fractional
shares, the trust will deliver cash in lieu of such shares. You may request
withdrawal of your deposited shares during the trustee's normal business hours.
The trustee expects that in most cases it will deliver your deposited shares
within one business day of your withdrawal request.

      Voting rights. The trustee will deliver you proxy soliciting materials
provided by issuers of the deposited shares so as to permit you to give the
trustee instructions as to how to vote on matters to be considered at any
annual or special meetings held by issuers of the underlying securities.

      Under the depositary trust agreement, any beneficial owner of Internet
Infrastructure HOLDRS, other than Merrill Lynch, Pierce, Fenner & Smith
Incorporated owning Internet Infrastructure HOLDRS for its own proprietary
account as principal, will have the right to vote to dissolve and liquidate the
trust.

      Distributions. You will be entitled to receive, net of trustee fees,
distributions of cash, including dividends, securities or property, if any,
made with respect to the underlying securities. The trustee will use its
reasonable efforts to ensure that it distributes these distributions as
promptly as practicable after the date on which it receives the distribution.
Therefore, you may receive your distributions substantially later than you
would have had you held the underlying securities directly. You will be
obligated to pay any tax or other charge that may become due with respect to
Internet Infrastructure HOLDRS. The trustee may deduct the amount of any tax or
other governmental charge from a distribution before making payment to you. In
addition, the trustee will deduct its quarterly custody fee of $2.00 for each
round-lot of 100 Internet Infrastructure HOLDRS from quarterly dividends, if
any, paid to the trustee by the issuers of the underlying securities. With
respect to the aggregate custody fee payable in any calendar year for each
Internet Infrastructure HOLDR, the trustee will waive that portion of the fee
which exceeds the total cash dividends and other cash distributions received,
or to be received, and payable with respect to such calendar year.

      Record dates. With respect to dividend payments and voting instructions,
the trustee expects to fix the trust's record dates as close as possible to the
record date fixed by the issuer of the underlying securities.

                                       19
<PAGE>

      Shareholder communications. The trustee promptly will forward to you all
shareholder communications that it receives from issuers of the underlying
securities.

      Withdrawal of underlying securities. You may surrender your Internet
Infrastructure HOLDRS and receive underlying securities during the trustee's
normal business hours and upon the payment of applicable fees, taxes or
governmental charges, if any. You should receive your underlying securities no
later than the business day after the trustee receives your request. If you
surrender Internet Infrastructure HOLDRS in order to receive underlying
securities, you will pay to the trustee a cancellation fee of up to $10.00 per
round-lot of 100 Internet Infrastructure HOLDRS.

      Further issuances of Internet Infrastructure HOLDRS. The depositary trust
agreement provides for further issuances of Internet Infrastructure HOLDRS on a
continuous basis without your consent.

      Reconstitution events. The depositary trust agreement provides for the
automatic distribution of underlying securities to you in four circumstances.

    A. If an issuer of underlying securities no longer has a class of common
       stock registered under section 12 of the Securities Exchange Act of
       1934, then its securities will no longer be an underlying security
       and the trustee will distribute the shares of that company to the
       owners of the Internet Infrastructure HOLDRS.

    B. If the SEC finds that an issuer of underlying securities should be
       registered as an investment company under the Investment Company Act
       of 1940, and the trustee has actual knowledge of the SEC finding,
       then the trustee will distribute the shares of that company to the
       owners of the Internet Infrastructure HOLDRS.

    C. If the underlying securities of an issuer cease to be outstanding as
       a result of a merger, consolidation or other corporate combination,
       the trustee will distribute the consideration paid by and received
       from the acquiring company to the beneficial owners of Internet
       Infrastructure HOLDRS, unless the merger, consolidation or other
       corporate combination is between companies that are already included
       in the Internet Infrastructure HOLDRS and the consideration paid is
       additional underlying securities. In this case, the additional
       underlying securities will be deposited into the trust.

    D. If an issuer's underlying securities are delisted from trading on a
       national securities exchange or NASDAQ and are not listed for trading
       on another national securities exchange or through NASDAQ within 5
       business days from the date such securities are delisted.

      If a reconstitution event occurs, the trustee will deliver the underlying
security to you as promptly as practicable after the date that the trustee has
knowledge of the occurrence of a reconstitution event.

      Termination of the trust. The trust will terminate if the trustee resigns
and no successor trustee is appointed by Merrill Lynch, Pierce, Fenner & Smith
Incorporated, as initial depositor, within 60 days from the date the trustee
provides notice to Merrill Lynch, Pierce, Fenner & Smith Incorporated, as
initial depositor, of its intent to resign. Upon termination, the beneficial
owners of Internet Infrastructure HOLDRS will surrender their Internet
Infrastructure HOLDRS as provided in the depositary trust agreement, including
payment of any fees of the trustee or applicable taxes or governmental charges
due in connection with delivery to the owners of the underlying securities. The
trust also will terminate if Internet Infrastructure HOLDRS are delisted from
the American Stock Exchange and are not listed for trading on another national
securities exchange or through NASDAQ within 5 business days from the date the
Internet Infrastructure HOLDRS are delisted. Finally, the trust will terminate
if 75% of the owners of outstanding Internet Infrastructure HOLDRS other than
Merrill Lynch, Pierce, Fenner & Smith Incorporated vote to dissolve and
liquidate the trust.

                                       20
<PAGE>

      If a termination event occurs, the trustee will distribute the underlying
securities to you as promptly as practicable after the termination event
occurs.

      Amendment of the depositary trust agreement. The trustee and Merrill
Lynch, Pierce, Fenner & Smith Incorporated, as initial depositor, may amend any
provisions of the depositary trust agreement without the consent of any other
depositor or any of the owners of the Internet Infrastructure HOLDRS. Promptly
after the execution of any amendment to the agreement, the trustee must furnish
or cause to be furnished written notification of the substance of the amendment
to each owner of Internet Infrastructure HOLDRS. Any amendment that imposes or
increases any fees or charges, subject to exceptions, or that otherwise
prejudices any substantial existing right of the owners of Internet
Infrastructure HOLDRS will not become effective until 30 days after notice of
the amendment is given to the owners of Internet Infrastructure HOLDRS.

      Issuance and cancellation fees. After the initial public offering, the
trust expects to issue more Internet Infrastructure HOLDRS. If you wish to
create Internet Infrastructure HOLDRS by delivering to the trust the requisite
underlying securities, the trustee will charge you an issuance fee of up to
$10.00 for each round-lot of 100 Internet Infrastructure HOLDRS. If you wish to
cancel your Internet Infrastructure HOLDRS and withdraw your underlying
securities, the trustee will charge you a cancellation fee of up to $10.00 for
each round-lot of 100 Internet Infrastructure HOLDRS issued. The trustee may
negotiate either of these fees depending on the volume, frequency and size of
the issuance or cancellation transactions.

      Commissions. If you choose to create Internet Infrastructure HOLDRS after
the conclusion of the initial public offering, you will not be charged the
underwriting fee. However, in addition to the issuance and cancellation fees
described above, you will be responsible for paying any sales commissions
associated with your purchase of the underlying securities that is charged by
your broker, whether it be Merrill Lynch, Pierce, Fenner & Smith Incorporated
or another broker.

      Custody fees. The Bank of New York, as trustee and as custodian, will
charge you a quarterly custody fee of $2.00 for each round-lot of 100 Internet
Infrastructure HOLDRS to be deducted from any dividend payments or other cash
distributions on underlying securities received by the trustee. With respect to
the aggregate custody fee payable in any calendar year for each Internet
Infrastructure HOLDR, the Trustee will waive that portion of the fee which
exceeds the total cash dividends and other cash distributions received, or to
be received, and payable with respect to such calendar year. The trustee cannot
recapture unpaid custody fees from prior years.

      Address of the trustee. The Bank of New York, ADR Department, 101 Barclay
Street, New York, New York 10286.

      Governing law. The depositary trust agreement and Internet Infrastructure
HOLDRS will be governed by the laws of the State of New York. The trustee will
provide the depositary trust agreement to any owner of the underlying
securities free of charge upon written request.

      Duties and immunities of the trustee. The trustee will assume no
responsibility or liability for, and makes no representations as to, the
validity or sufficiency, or as to the accuracy of the recitals, if any, set
forth in the Internet Infrastructure HOLDRS.

      The trustee undertakes to perform only those duties as are specifically
set forth in the depositary trust agreement. Subject to the preceding sentence,
the trustee will be liable for its own negligence or misconduct except for good
faith errors in judgment so long as the trustee was not negligent in
ascertaining the relevant facts.

                                       21
<PAGE>

                        FEDERAL INCOME TAX CONSEQUENCES

General

      The following is a summary of the U.S. federal income tax consequences
relating to the Internet Infrastructure HOLDRS for:

    .  a citizen or resident of the United States;

    .  a corporation or partnership created or organized in the United
       States or under the laws of the United States;

    .  an estate, the income of which is includible in gross income for U.S.
       federal income tax purposes regardless of its source;

    .  or a trust if a court within the United States is able to exercise
       primary supervision over the administration of the trust and one or
       more U.S. persons have the authority to control all substantial
       decisions of the trust (each of the above, a "U.S. receipt holder");
       and

    .  any person other than a U.S. receipt holder (a "Non-U.S. receipt
       holder").

      This summary is based upon laws, regulations, rulings and decisions
currently in effect, all of which are subject to change, possibly on a
retroactive basis. The discussion does not deal with all U.S. federal income
tax consequences applicable to all categories of investors, some of which may
be subject to special rules. In addition, this summary generally is limited to
investors who will hold the Internet Infrastructure HOLDRS as "capital assets"
(generally, property held for investment) within the meaning of Section 1221 of
the Internal Revenue Code of 1986, as amended. We suggest that you consult with
your own tax advisor.

Taxation of the trust

      The trust will provide for flow through tax consequences as it will be
treated as a grantor trust or custodial arrangement for United States federal
income tax purposes.

Taxation of Internet Infrastructure HOLDRS

      A receipt holder purchasing and owning Internet Infrastructure HOLDRS
will be treated, for U.S. federal income tax purposes, as directly owning a
proportionate share of the underlying securities represented by Internet
Infrastructure HOLDRS. Consequently, if there is a taxable cash distribution on
an underlying security, a holder will recognize income with respect to the
distribution at the time the distribution is received by the trustee, not at
the time that the holder receives the cash distribution from the trustee.

      A receipt holder will determine its initial tax basis in each of the
underlying securities by allocating the purchase price for the Internet
Infrastructure HOLDRS among the underlying securities based on their relative
fair market values at the time of purchase. Similarly, when a holder sells a
receipt, it will determine the amount realized with respect to each security by
allocating the sales price among the underlying securities based on their
relative fair market values at the time of sale. A holder's gain or loss with
respect to each security will be computed by subtracting its basis in the
security from the amount realized on the security. With respect to purchases of
Internet Infrastructure HOLDRS for cash in the secondary market, a receipt
holder's aggregate tax basis in each of the underlying securities will be equal
to the purchase price of the Internet Infrastructure HOLDRS. Similarly, with
respect to sales of Internet Infrastructure HOLDRS for cash in the secondary
market, the amount realized with respect to a sale of Internet Infrastructure
HOLDRS will be equal to the aggregate amount realized with respect to each of
the underlying securities.

                                       22
<PAGE>

      The distribution of any securities by the trust upon the surrender of
Internet Infrastructure HOLDRS, the occurrence of a reconstitution event, or a
termination event will not be a taxable event. The receipt holders holding
period with respect to the distributed securities will include the period that
the holder held the securities through the trust.

Brokerage fees and custodian fees

      The brokerage fee incurred in purchasing a receipt will be treated as
part of the cost of the underlying securities. Accordingly, a holder includes
this fee in its tax basis in the underlying securities. A holder will allocate
the brokerage fee among the underlying securities using either a fair market
value allocation or pro rata based on the number of shares of each underlying
security. Similarly, the brokerage fee incurred in selling Internet
Infrastructure HOLDRS will reduce the amount realized with respect to the
underlying securities.

      A holder will be required to include in its income the full amount of
dividends paid on the underlying securities, even though the depositary trust
agreement provides that the custodian fees will be deducted directly from any
dividends paid. These custodian fees will be treated as an expense incurred in
connection with a holder's investment in the underlying securities and may be
deductible. If a holder is an individual, estate or trust, however, the
deduction of its share of custodian fees will be a miscellaneous itemized
deduction that may be disallowed in whole or in part.

Non-U.S. receipt holders

      Non-U.S. receipt holders should consult their tax advisors regarding U.S.
withholding and other taxes which may apply to an investment in the underlying
securities.

                              ERISA CONSIDERATIONS

      Any plan fiduciary which proposes to have a plan acquire Internet
Infrastructure HOLDRS should consult with its counsel with respect to the
potential applicability of ERISA and the Internal Revenue Code to this
investment and whether any exemption would be applicable and determine on its
own whether all conditions have been satisfied. Moreover, each plan fiduciary
should determine whether, under the general fiduciary standards of investment
prudence and diversification, an acquisition of Internet Infrastructure HOLDRS
is appropriate for the plan, taking into account the overall investment policy
of the plan and the composition of the plan's investment portfolio.

                              PLAN OF DISTRIBUTION

      In accordance with the depositary trust agreement, the trust will issue
to Merrill Lynch, Pierce, Fenner & Smith Incorporated, and Merrill Lynch,
Pierce, Fenner & Smith Incorporated will deposit the underlying securities to
receive Internet Infrastructure HOLDRS. Merrill Lynch & Co., as underwriter,
proposes to offer the Internet Infrastructure HOLDRS to the public at the
offering price set forth on the cover page of this prospectus. Merrill Lynch
expects the trust to deliver the initial distribution of Internet
Infrastructure HOLDRS against deposit of the underlying securities in New York,
New York on February 29, 2000. After the initial offering, the public offering
price, concession and discount may be changed. The trust will continue to issue
Internet Infrastructure HOLDRS, in connection with deposits of underlying
securities. This offering is being made in compliance with Conduct Rule 2810 of
the National Association of Securities Dealers, Inc. Accordingly, Merrill Lynch
will not make any sales to a discretionary account without the prior written
approval of a purchaser of Internet Infrastructure HOLDRS.

                                       23
<PAGE>

      Merrill Lynch has from time to time provided investment banking and other
financial services to certain of the issuers of the underlying securities and
expects in the future to provide these services, for which it has received and
will receive customary fees and commissions. It also may have served as
counterparty in other transactions with certain of the issuers of the
underlying securities.

      Merrill Lynch, Pierce, Fenner & Smith Incorporated may use this
prospectus, as updated from time to time, in connection with offers and sales
related to market-making transactions in the Internet Infrastructure HOLDRS.
Merrill Lynch, Pierce, Fenner & Smith Incorporated may act as principal or
agent in such transactions. Market making sales will be made at prices related
to prevailing market prices at the time of sale.

      Merrill Lynch, Pierce, Fenner & Smith Incorporated has agreed to
indemnify the trustee against certain civil liabilities related to acts
performed or not performed by the trustee in accordance with the depositary
trust agreement or periodic reports filed or not filed with the SEC with
respect to the Internet Infrastructure HOLDRS. Should a court determine not to
enforce the indemnification provision, Merrill Lynch, Pierce, Fenner & Smith
Incorporated also has agreed to contribute to payments the trustee may be
required to make with respect to such liabilities.

                                 LEGAL MATTERS

      Legal matters, including the validity of the Internet Infrastructure
HOLDRS will be passed upon for Merrill Lynch, Pierce, Fenner & Smith
Incorporated, the initial depositor and the underwriter, by Shearman &
Sterling, New York, New York. Shearman & Sterling, as special U.S. tax counsel
to the trust, also will render an opinion regarding the material federal income
tax consequences relating to the Internet Infrastructure HOLDRS.

                      WHERE YOU CAN FIND MORE INFORMATION

      Merrill Lynch, Pierce, Fenner & Smith Incorporated has filed a
registration statement on Form S-1 with the SEC covering the Internet
Infrastructure HOLDRS. While this prospectus is a part of the registration
statement, it does not contain all the exhibits filed as part of the
registration statement. You should consider reviewing the full text of those
exhibits.

      The registration statement is available over the Internet at the SEC's
web site at http://www.sec.gov. You also may read and copy the registration
statement at the SEC's public reference rooms in Washington, D.C., New York,
New York and Chicago, Illinois. Please call the SEC at 1-800-SEC-0330 for more
information on the public reference rooms and their copy charges. Merrill
Lynch, Pierce, Fenner & Smith Incorporated will not and the trust may not be
subject to the requirements of the Exchange Act and accordingly may not file
periodic reports.

      Because the common stock of the issuers of the underlying securities is
registered under the Exchange Act, the issuers of the underlying securities are
required to file periodically financial and other information specified by the
SEC. For more information about the issuers of the underlying securities,
information provided to or filed with the SEC by the issuers of the underlying
securities with respect to their registered securities can be inspected at the
SEC's public reference facilities or accessed through the SEC's web site
referenced above. In addition, information regarding the issuers of the
underlying securities may be obtained from other sources including, but not
limited to, press releases, newspaper articles and other publicly disseminated
information.

      The trust and Merrill Lynch, Pierce, Fenner & Smith Incorporated and its
affiliates are not affiliated with the issuers of the underlying securities,
and the issuers of the underlying securities have no obligations with respect
to Internet Infrastructure HOLDRS. This prospectus relates only to Internet
Infrastructure

                                       24
<PAGE>

HOLDRS and does not relate to the common stock or other securities of the
issuers of the underlying securities. The information in this prospectus
regarding the issuers of the underlying securities has been derived from the
publicly available documents described in the preceding paragraph. We have not
participated in the preparation of these documents or made any due diligence
inquiries with respect to the issuers of the underlying securities in
connection with Internet Infrastructure HOLDRS. We make no representation that
these publicly available documents or any other publicly available information
regarding the issuers of the underlying securities are accurate or complete.
Furthermore, we cannot assure you that all events occurring prior to the date
of this prospectus, including events that would affect the accuracy or
completeness of the publicly available documents described in the preceding
paragraph, that would affect the trading price of the common stock of the
issuers of the underlying securities, and therefore the offering and trading
prices of the Internet Infrastructure HOLDRS, have been publicly disclosed.

                                       25
<PAGE>

                                    ANNEX A

      This annex forms an integral part of the prospectus.

      The following tables provide a brief description of the business of each
of the issuers of the underlying securities and set forth the split-adjusted
closing market prices, as reported on the applicable primary trading market, of
each of the underlying securities in each month during 1995, 1996, 1997, 1998,
1999 and 2000 through January 2000. All market prices in excess of one dollar
are rounded to the nearest one-sixty-fourth of a dollar. An asterisk (*)
denotes that no shares of the issuer were outstanding during that month. The
historical prices of the underlying securities should not be taken as an
indication of future performance.

                        AKAMAI TECHNOLOGIES, INC. (AKAM)

      Akamai Technologies, Inc. provides software and services that help
deliver the Web site content of Akami customers to their Web site visitors.
Akamai's technology is designed to improve the reliability and access speed to
Web sites and protects Web sites from crashes that may occur during times of
high usage. Akamai's proprietary software also allows its customers to include
enhanced content, such as graphics, banner advertisements, photographs,
animation, audio and video, while maintaining the speed and reliability of the
Web site. Its software also manages Internet traffic patterns and delivers its
customers' Internet content and applications through the most efficient route.
Akamai currently sells its services through a direct sales force that targets
the most heavily used Web sites and plans to use resellers and other indirect
distribution channels to penetrate other markets.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January      *     January 249 1/8
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June         *
July          *    July         *    July         *    July         *    July         *
August        *    August       *    August       *    August       *    August       *
September     *    September    *    September    *    September    *    September    *
October       *    October      *    October      *    October      *    October   145 3/16
November      *    November     *    November     *    November     *    November  237
December      *    December     *    December     *    December     *    December  327 3/8
</TABLE>

      The closing price on February 24, 2000 was 274 13/16.

                                      A-1
<PAGE>

                         ALTEON WEBSYSTEMS, INC. (ATON)

      Alteon Websystems, Inc. develops products designed to enable companies
that do business over the Internet to adapt to the increased use of the
Internet. Alteon products include software, switches to control network data
traffic and server adapters which attempt to increase the performance of Web
servers and data centers by enabling network traffic to move more quickly and
efficiently. Alteon's primary source of revenue is from sales of its products
to customers such as electronic commerce companies, Web site content products
and Internet service providers who provide Internet access to individuals and
businesses. Alteon markets and sells its products through its own direct sales
force, resellers and original equipment manufacturers.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing         Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price   2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- ------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>     <C>
January       *    January      *    January      *    January      *    January      *    January 98 3/8
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June         *
July          *    July         *    July         *    July         *    July         *
August        *    August       *    August       *    August       *    August       *
September     *    September    *    September    *    September    *    September 94
October       *    October      *    October      *    October      *    October   71 3/4
November      *    November     *    November     *    November     *    November  96 1/2
December      *    December     *    December     *    December     *    December  87 3/4
</TABLE>

      The closing price on February 24, 2000 was 89 1/2.

                            BEA SYSTEMS, INC. (BEAS)

      BEA Systems, Inc. develops software for companies to use in their
electronic commerce activities. BEA's software allows companies to enhance
their Web site content and functionality, and to integrate their electronic
commerce activities with their existing operations. BEA's products are used in
electronic billing services, customer service, securities trading, electronic
fund transfers, travel reservations and Internet sales. BEA uses its own direct
sales force as well as vendors and system integration companies to market and
sell its products.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price     1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- -------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>       <C>      <C>     <C>
January       *    January      *    January      *    January    9 27/32 January    6 29/32 January 75 3/8
February      *    February     *    February     *    February  13 7/16  February   8 9/16
March         *    March        *    March        *    March     14 1/16  March      7 13/16
April         *    April        *    April     3       April     11 1/8   April      7 9/16
May           *    May          *    May       6 5/8   May       10 1/32  May       10 3/16
June          *    June         *    June      9 1/8   June      11 15/32 June      14 9/32
July          *    July         *    July      9 11/16 July       9 13/16 July      12 1/4
August        *    August       *    August    9 3/16  August     7 5/8   August    12 1/16
September     *    September    *    September 8 15/16 September 10 13/16 September 17 21/32
October       *    October      *    October   6 3/4   October    9 51/64 October   22 13/16
November      *    November     *    November  7 3/16  November   6       November  40 5/8
December      *    December     *    December  8 21/32 December   6 1/8   December  69 15/16
</TABLE>

      The closing price on February 24, 2000 was 134 1/2.

                                      A-2
<PAGE>

                            BROADVISION, INC. (BVSN)

      Broadvision, Inc. develops and markets software which allows companies to
establish relationships directly with their customers, suppliers, partners,
distributors and employees using the Internet. Broadvision's software
facilitates electronic commerce, online customer service and support and online
financial services. Its software enables companies to personalize and custom-
tailor their Web site to a specific customers' business and personal needs.
Broadvision markets and sells its products through its own direct sales force
and resellers. Broadvision will effect a 3-for-1 stock split on its common
stock in the form of a stock dividend to shareholders of record on February 21,
2000. The stock will begin trading on a split-adjusted basis on March 14, 2000.
The following table does not take into account any adjustments for this stock
split.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price     1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- -------- --------- -------- ------- --------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>       <C>      <C>     <C>
January       *    January      *    January   2 59/64 January   2 39/64  January   13 61/64 January 127 5/16
February      *    February     *    February  3       February  4 13/64  February  14 61/64
March         *    March        *    March     2 53/64 March     5 61/64  March     19 59/64
April         *    April        *    April     1 49/64 April     6 11/64  April     19 23/64
May           *    May          *    May       2 27/64 May       5 5/16   May       17 21/64
June          *    June      2 21/64 June      2 13/64 June      7 61/64  June      24 37/64
July          *    July      1 53/64 July      2       July      6 27/64  July      23 15/64
August        *    August    1 7/8   August    1 3/4   August    6 15/64  August    33 3/16
September     *    September 2 5/8   September 2 19/64 September 3 33/64  September 44 23/64
October       *    October   2 1/2   October   2 21/64 October   5        October   73 5/8
November      *    November  2 19/64 November  2 37/64 November  8 7/8    November  93 1/16
December      *    December  2 5/8   December  2 11/64 December  10 43/64 December  170 1/16
</TABLE>

      The closing price on February 24, 2000 was 229 3/16.

                          DIGITAL ISLAND, INC. ( ISLD)

      Digital Island, Inc. provides products and services for companies that
use the Internet to conduct electronic commerce worldwide. Digital Island's
technology and services, which include providing Web site content delivery,
hosting and networking for its customers are designed to enhance the speed,
security and functionality of its customer's Web sites. This allows for faster
and more reliable electronic commerce transactions between Digital Island's
customers and visitors to their Web sites. Digital Island markets its services
predominantly through a direct sales force complemented by a range of external
alliances and channels.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January      *     January 84 1/2
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June      17 15/16
July          *    July         *    July         *    July         *    July      20 1/2
August        *    August       *    August       *    August       *    August    18 7/8
September     *    September    *    September    *    September    *    September 26
October       *    October      *    October      *    October      *    October   67 1/2
November      *    November     *    November     *    November     *    November  46 3/4
December      *    December     *    December     *    December     *    December  95 1/8
</TABLE>

      The closing price on February 24, 2000 was 108 5/16.

                                      A-3
<PAGE>

                             E.PIPHANY, INC. (EPNY)

      E.piphany, Inc. develops and markets software designed to assist
companies establish, maintain and improve customer relationships in traditional
and Internet sales, marketing and distribution channels. E.piphany licenses its
software to large and medium sized businesses and provides consulting,
implementation and maintenance services. E.piphany software collects and
analyzes data from customers' existing software systems and from third-party
data providers to profile them with their customers' characteristics and
preferences. These companies can then use this data to design and execute
marketing campaigns as well as personalize products and services. E.piphany
markets its products through its own direct sales force and indirectly through
agreements with third parties to resell its software.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January      *     January   158
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June         *
July          *    July         *    July         *    July         *    July         *
August        *    August       *    August       *    August       *    August       *
September     *    September    *    September    *    September    *    September  48 3/4
October       *    October      *    October      *    October      *    October    86
November      *    November     *    November     *    November     *    November  169 7/16
December      *    December     *    December     *    December     *    December  223 1/8
</TABLE>

      The closing price on February 24, 2000 was 164 1/4.

                       EXODUS COMMUNICATIONS, INC. (EXDS)

      Exodus Communications, Inc. develops and markets Internet hosting
software and services that are intended to improve performance of a Web site
through monitoring to identify and resolve hardware, software, network and
application problems before customer awareness. Exodus markets its products
primarily through its own direct sales force.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January   13 1/16  January 114 7/8
February      *    February     *    February     *    February     *    February   9 11/64
March         *    March        *    March        *    March     3 1/2   March     16 13/16
April         *    April        *    April        *    April     4 3/4   April     22 17/32
May           *    May          *    May          *    May       4 17/64 May       18 3/4
June          *    June         *    June         *    June      5 19/32 June      29 63/64
July          *    July         *    July         *    July      4 11/64 July      30 1/64
August        *    August       *    August       *    August    3 19/32 August    40 3/16
September     *    September    *    September    *    September 3 3/64  September 36 1/32
October       *    October      *    October      *    October   3 31/32 October   43
November      *    November     *    November     *    November  4 7/32  November  53 29/32
December      *    December     *    December     *    December  8 1/32  December  88 13/16
</TABLE>

      The closing price on February 24, 2000 was 136 5/16.

                                      A-4
<PAGE>

                           INFOSPACE.COM, INC. (INSP)

      InfoSpace.com, Inc. provides information content for Web sites and
telecommunications equipment with Internet access, such as cellular phones,
personal digital assistants and pagers. InfoSpace.com's content includes yellow
pages, white pages, maps, stock quotes, weather forecasts and information on
local businesses and events. It provides access to this content to the users of
its customers' Web sites in such a way that the user has the impression of
never leaving the originally accessed Web site. InfoSpace.com, Inc. derives
substantially all of its revenues from national and local advertising and
promotions. InfoSpace.com uses its own direct sales force to offer a variety of
national advertising and promotions. It also uses established local independent
yellow pages publishers and direct marketing companies to sell local Internet
yellow pages advertising.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January   14 3/8   January 140 1/8
February      *    February     *    February     *    February     *    February  13 5/8
March         *    March        *    March        *    March        *    March     22 5/32
April         *    April        *    April        *    April        *    April     35 53/64
May           *    May          *    May          *    May          *    May       23 1/2
June          *    June         *    June         *    June         *    June      23 1/2
July          *    July         *    July         *    July         *    July      22 31/32
August        *    August       *    August       *    August       *    August    23 1/32
September     *    September    *    September    *    September    *    September 20 9/16
October       *    October      *    October      *    October      *    October   27 13/16
November      *    November     *    November     *    November     *    November  50 27/32
December      *    December     *    December     *    December  9 17/32 December  107
</TABLE>

      The closing price on February 24, 2000 was 221 5/8.

                           INKTOMI CORPORATION (INKT)

      Inktomi Corporation develops and markets software applications designed
to enhance the performance and efficiency of large-scale networks and address
the challenges posed by the increase in network users and the resulting
increase in traffic volume. Inktomi's software applications currently consist
of network products which attempt to increase network efficiency by reducing
congestion and data access delays. Its portal services provide the
infrastructure that attempts to increase the efficiency with which Internet Web
sites display information and perform search functions. Inktomi markets its
products and services internationally through its own direct sales force and
has established indirect distribution channels, including value-added resellers
and joint marketing partners.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price     1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- -------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *     January   35 31/32 January 99 7/16
February      *    February     *    February     *    February     *     February  31
March         *    March        *    March        *    March        *     March     42 3/4
April         *    April        *    April        *    April        *     April     60 1/16
May           *    May          *    May          *    May          *     May       51 3/8
June          *    June         *    June         *    June       9 29/32 June      65 3/4
July          *    July         *    July         *    July      14 17/32 July      54 3/32
August        *    August       *    August       *    August    12 1/8   August    56 11/16
September     *    September    *    September    *    September 18 3/4   September 60
October       *    October      *    October      *    October   21 5/64  October   50 23/32
November      *    November     *    November     *    November  33 25/64 November  64 1/2
December      *    December     *    December     *    December  32 31/64 December  88 5/8
</TABLE>

      The closing price on February 24, 2000 was 144 5/16.

                                      A-5
<PAGE>

                  INTERNAP NETWORK SERVICES CORPORATION (INAP)

      InterNAP Network Services Corporation develops and markets routing
infrastructure, which are products that move data to and from destinations on
the Internet. InterNAP's customers are directly connected to one of InterNAP's
routes which transfers data the customer receives and sends to its Web site
visitors. InterNAP's routes are designed to increase the speed of data
transmission by bypassing Internet congestion and reducing data loss. InterNAP
markets and sells its products primarily through its own direct sales force.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing         Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price   2000    Price
  ----     ------- --------- ------- --------- ------- --------- ------- --------- ------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>     <C>
January       *    January      *    January      *    January      *    January      *    January 62 5/8
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June         *
July          *    July         *    July         *    July         *    July         *
August        *    August       *    August       *    August       *    August       *
September     *    September    *    September    *    September    *    September 22 5/16
October       *    October      *    October      *    October      *    October   46 3/16
November      *    November     *    November     *    November     *    November  47 1/8
December      *    December     *    December     *    December     *    December  86 1/2
</TABLE>

      The closing price on February 24, 2000 was 99 15/16.

                        KANA COMMUNICATIONS, INC. (KANA)

      Kana Communications, Inc. develops and markets software products and
services which attempt to allow companies conducting business on the Internet
to manage high volumes of e-mail and other Internet communications. Kana's
products and services allow its customers to collect, extract and analyze
information about visitors to their respective Web sites. Kana markets its
products through its own direct sales force in the United States and Europe and
also uses reseller and other strategic relationships. On January 10, 2000, Kana
announced a 2-for-1 stock split on its common stock for shareholders of record
on January 28, 2000. The shares of common stock began trading on a split-
adjusted basis on February 23, 2000. The following table takes into account
adjustments for this stock split.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing           Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999      Price    2000     Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- --------- ------- ---------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>       <C>     <C>
January      *     January     *     January     *     January     *     January       *     January 124 31/32
February     *     February    *     February    *     February    *     February      *
March        *     March       *     March       *     March       *     March         *
April        *     April       *     April       *     April       *     April         *
May          *     May         *     May         *     May         *     May           *
June         *     June        *     June        *     June        *     June          *
July         *     July        *     July        *     July        *     July          *
August       *     August      *     August      *     August      *     August        *
September    *     September   *     September   *     September   *     September  24 15/16
October      *     October     *     October     *     October     *     October    42 1/16
November     *     November    *     November    *     November    *     November   73 1/2
December     *     December    *     December    *     December    *     December  102 1/2
</TABLE>

      The closing price on February 24, 2000 was 162 5/8.


                                      A-6
<PAGE>

                             NAVISITE, INC. (NAVI)

      Navisite, Inc. offers Web site and Internet application hosting and
management services to its customers to manage the creation, configuration,
hosting, management and support of its customers Web sites. Navisite also
provides its customers with access to its own data centers which provide direct
connections to the Internet, and which can increase the reliability and speed
of data transfer to and from the customers Web site. Navisite markets its
services through its own direct sales force and customer referrals based on
industry relationships.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing         Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price   2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- ------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>     <C>
January      *     January     *     January     *     January     *     January      *    January 102 7/8
February     *     February    *     February    *     February    *     February     *
March        *     March       *     March       *     March       *     March        *
April        *     April       *     April       *     April       *     April        *
May          *     May         *     May         *     May         *     May          *
June         *     June        *     June        *     June        *     June         *
July         *     July        *     July        *     July        *     July         *
August       *     August      *     August      *     August      *     August       *
September    *     September   *     September   *     September   *     September    *
October      *     October     *     October     *     October     *     October      47
November     *     November    *     November    *     November    *     November     53
December     *     December    *     December    *     December    *     December    100
</TABLE>

      The closing price on February 24, 2000 was 154 1/4.

                         NETWORK SOLUTIONS, INC. (NSOL)

      Network Solutions, Inc, is a provider of Web-identity services throughout
the world. Network Solutions' offers domain name registration services. A
domain name is used as a means to identify different addresses or Web sites on
the Internet. Network Solutions is the exclusive registry for some addresses
and one of the leading registrars for business, organizations and individuals
with, or who seek, domain names with the ".com", ".net", ".edu" and ".org"
domains. It also assists in the registration of other existing domain names,
including country code domain names. By registering specific Internet domain
names, Network Solutions enables businesses, organizations and individuals to
establish unique identities on the Internet. Network Solutions also offers
registration search services which assist in brand protection. The registrar
services are primarily marketed through a Web-based advertising and application
process. On February 15, 2000 Network Solutions announced a 2-for-1 stock split
for shareholders of record on February 25, 2000. The shares will begin trading
on a split-adjusted basis on March 13, 2000. The following table does not take
into account any adjustments for this stock split.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price     1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- -------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>       <C>      <C>     <C>
January       *    January      *    January      *    January    9 3/8   January   120 1/2  January 216 7/8
February      *    February     *    February     *    February  10 1/8   February   90 3/4
March         *    March        *    March        *    March     18 9/16  March     105 3/4
April         *    April        *    April        *    April     26 1/2   April      77 3/4
May           *    May          *    May          *    May       18 31/64 May        63 5/8
June          *    June         *    June         *    June      22 1/2   June       79 1/8
July          *    July         *    July         *    July      18       July       62 1/4
August        *    August       *    August       *    August    12 7/8   August     57 5/8
September     *    September    *    September 10 7/8  September 20 13/16 September  91 7/8
October       *    October      *    October    9 1/2  October   26 11/16 October   118 1/2
November      *    November     *    November   8 1/8  November  32 13/16 November  149
December      *    December     *    December   6 9/16 December  65 7/16  December  217 9/16
</TABLE>

      The closing price on February 24, 2000 was 332 3/16.

                                      A-7
<PAGE>

                          PORTAL SOFTWARE, INC. (PRSF)

      Portal Software, Inc. develops and markets customer management and
billing software for businesses that provide Internet-based services. Portal's
software attempts to allow a business to perform enhanced accounting, reporting
and marketing activities. Its software can provide services on a "real-time"
basis for such activities as account creation, user authentication and
authorization, pricing, billing and customer service. Their customers include
Internet service providers, online businesses and online divisions of
telecommunications carriers. Portal markets and sells its products primarily
through its own direct sales force.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January      *     January 49 5/8
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May       24 9/16
June          *    June         *    June         *    June         *    June      23 5/32
July          *    July         *    July         *    July         *    July      20 59/64
August        *    August       *    August       *    August       *    August    23 17/32
September     *    September    *    September    *    September    *    September 19 3/8
October       *    October      *    October      *    October      *    October   32 11/16
November      *    November     *    November     *    November     *    November  58 17/32
December      *    December     *    December     *    December     *    December  51 7/16
</TABLE>

      The closing price on February 24, 2000 was 83 15/16.

                           REALNETWORKS, INC. (RNWK)

      RealNetworks, Inc. develops and markets software products and services
designed to enable users of personal computers and digital devices to send and
receive multi-media content, including audio, video and animation, over the
Internet and on private networks. RealNetworks RealSystem G2 provides
technology to allow Web sites to broadcast live and recorded audio, video and
other multi-media programming simultaneously to a large number of users over
Internet connections. Consumers, using the RealPlayer G2, are able to listen
and view content from Web sites that use RealNetworks technology. RealNetworks
has also developed secure methods for the music industry to distribute, and for
users to record and play, music from the Internet. RealNetworks offers the
basic versions of its products to consumers for free and sells the premium
versions of its products. It derives revenues from software license fees,
service fees and advertising. RealNetworks markets its products and services
directly through the Internet, where substantially all of its products can be
purchased and delivered from its Web site, through its own sales force and
indirectly through value-added resellers and other distributors. On January 25,
2000, Real Networks declared a 2-for-1 stock split on its common stock for
shareholders of record on January 28, 2000. The shares of common stock began
trading on a split-adjusted basis on February 14, 2000. The following table
takes into account adjustments for this stock split.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- --------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January   3 3/4   January   17 45/64 January 78 19/32
February      *    February     *    February     *    February  3 3/4   February  17 17/32
March         *    March        *    March        *    March     7 1/4   March     30 35/64
April         *    April        *    April        *    April     8 31/64 April     55 3/8
May           *    May          *    May          *    May       5 25/32 May       35 7/16
June          *    June         *    June         *    June      9 21/64 June      34 7/16
July          *    July         *    July         *    July      7 21/64 July      38 5/32
August        *    August       *    August       *    August    4 15/16 August    40 7/8
September     *    September    *    September    *    September 8 43/64 September 52 9/32
October       *    October      *    October      *    October   8 27/64 October   54 27/32
November      *    November     *    November  3 27/32 November  9 1/2   November  69 3/4
December      *    December     *    December  3 15/32 December  8 31/32 December  60 5/32
</TABLE>

      The closing price on February 24, 2000 was 86 1/4.


                                      A-8
<PAGE>

                           SOFTWARE.COM, INC. (SWCM)

      Software.com, Inc. develops and markets messaging software applications,
such as e-mail, exclusively to companies that provide Internet communications
and services. Software.com offers e-mail messaging services that allow these
Internet service providers to support the Internet communications needs of both
their consumer and business subscribers. Software.com also offers consulting
and support services to its clients. Software.com markets its products and
services through its own direct sales force.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing         Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price   2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- ------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>     <C>
January       *    January      *    January      *    January      *    January      *    January 67 7/8
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April        *
May           *    May          *    May          *    May          *    May          *
June          *    June         *    June         *    June         *    June      23 3/16
July          *    July         *    July         *    July         *    July      33 5/8
August        *    August       *    August       *    August       *    August    45 7/16
September     *    September    *    September    *    September    *    September 42 7/8
October       *    October      *    October      *    October      *    October   67 5/16
November      *    November     *    November     *    November     *    November  97 1/16
December      *    December     *    December     *    December     *    December  96
</TABLE>

      The closing price on February 24, 2000 was 93 13/16.

                         USINTERNETWORKING, INC. (USIX)

      Usinternetworking, Inc. implements, operates and supports packaged
software applications, which are collections of different software applications
from leading software companies. USinternetworking packages these software
applications to meet a broad range of business needs of a company. This
packaged application can be accessed and used over the Internet.
USinternetworking implements these applications in its own data centers,
configures them to meet the needs of its clients and packages them with
security, Internet access, back-up and operational support. USinternetworking's
primary source of revenue is from monthly service fees paid by its customers in
exchange for its services. USinternetworking offers its products and services
through its own direct sales organization based in the United States.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing           Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999     Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- -------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>     <C>
January       *    January      *    January      *    January      *    January      *     January 43 1/2
February      *    February     *    February     *    February     *    February     *
March         *    March        *    March        *    March        *    March        *
April         *    April        *    April        *    April        *    April     34 5/64
May           *    May          *    May          *    May          *    May       19 27/64
June          *    June         *    June         *    June         *    June      28
July          *    July         *    July         *    July         *    July      18 1/4
August        *    August       *    August       *    August       *    August    10
September     *    September    *    September    *    September    *    September 20 53/64
October       *    October      *    October      *    October      *    October   22 13/64
November      *    November     *    November     *    November     *    November  36 35/64
December      *    December     *    December     *    December     *    December  69 7/8
</TABLE>

      The closing price on February 24, 2000 was 62 7/16.


                                      A-9
<PAGE>

                             VERISIGN, INC. (VRSN)

      Verisign, Inc. provides Internet-based services used by Web sites,
businesses and consumers to conduct secure communications and transactions over
the Internet and on private networks. Organizations that provide large-scale
electronic commerce services, communications and other information services
over the Internet typically offer these security services to consumers to
attract users. Verisign markets its services directly through its Web site and
its own direct sales force and through value-added resellers and affiliates.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing             Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price     1999      Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- -------- --------- --------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>      <C>       <C>       <C>     <C>
January       *    January      *    January      *    January    6 3/8   January    23 13/16 January 161 3/8
February      *    February     *    February     *    February   7 5/32  February   24 1/2
March         *    March        *    March        *    March     11       March      38 1/2
April         *    April        *    April        *    April      9 19/32 April      28 3/4
May           *    May          *    May          *    May        7 63/64 May        29 5/8
June          *    June         *    June         *    June       9 11/32 June       43 1/8
July          *    July         *    July         *    July       7 3/4   July       37 1/16
August        *    August       *    August       *    August     7 3/32  August     54 5/32
September     *    September    *    September    *    September  6 13/16 September  53 1/4
October       *    October      *    October      *    October    7 43/64 October    61 3/4
November      *    November     *    November     *    November  10 1/32  November   92 29/32
December      *    December     *    December     *    December  14 25/32 December  190 5/8
</TABLE>

      The closing price on February 24, 2000 was 251 1/4.

                          VIGNETTE CORPORATION (VIGN)

      Vignette Corporation develops and markets software products and services
that are designed to enable Internet companies to communicate with customers to
develop and manage online customer relationships, attract and retain new
customers and increase customer satisfaction. Vignette's StoryServer 4
software, which it licenses to its customers, is designed to allow businesses
to provide personalized and immediate communications with visitors to their Web
site, and provide Web site user profiling and reporting services to track
customer profiles. Vignette primarily markets its products through its own
direct sales force.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999      Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- --------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>       <C>     <C>
January       *    January      *    January      *    January      *    January       *     January   195
February      *    February     *    February     *    February     *    February   27 1/8
March         *    March        *    March        *    March        *    March      37 5/8
April         *    April        *    April        *    April        *    April      47 1/2
May           *    May          *    May          *    May          *    May        29 5/8
June          *    June         *    June         *    June         *    June       37 1/2
July          *    July         *    July         *    July         *    July       32
August        *    August       *    August       *    August       *    August     33 29/32
September     *    September    *    September    *    September    *    September  45 1/4
October       *    October      *    October      *    October      *    October    79
November      *    November     *    November     *    November     *    November  103 7/16
December      *    December     *    December     *    December     *    December  163
</TABLE>

      The closing price on February 24, 2000 was 226 15/16.

                                      A-10
<PAGE>

                         VITRIA TECHNOLOGY, INC. (VITR)

      Vitria Technology, Inc. provides software for conducting business and
electronic commerce over the Internet. Vitria's product, BusinessWare, enables
companies to conduct business, in real-time, across their private networks and
over the Internet. The BusinessWare technology allows companies to monitor
inefficiencies in online business transactions, and it can adapt to changes in
business conditions. Vitria licenses its product and sells its services
throughout the world primarily through its own direct sales force. Vitria also
uses resellers, technology vendors and value-added resellers to market and sell
its software.

<TABLE>
<CAPTION>
           Closing           Closing           Closing           Closing            Closing          Closing
  1995      Price    1996     Price    1997     Price    1998     Price    1999      Price    2000    Price
- ---------  ------- --------- ------- --------- ------- --------- ------- --------- --------- ------- -------
<S>        <C>     <C>       <C>     <C>       <C>     <C>       <C>     <C>       <C>       <C>     <C>
January       *    January      *    January      *    January      *    January       *     January   98
February      *    February     *    February     *    February     *    February      *
March         *    March        *    March        *    March        *    March         *
April         *    April        *    April        *    April        *    April         *
May           *    May          *    May          *    May          *    May           *
June          *    June         *    June         *    June         *    June          *
July          *    July         *    July         *    July         *    July          *
August        *    August       *    August       *    August       *    August        *
September     *    September    *    September    *    September    *    September  18 7/8
October       *    October      *    October      *    October      *    October    32 31/32
November      *    November     *    November     *    November     *    November   49 29/32
December      *    December     *    December     *    December     *    December  117
</TABLE>

      The closing price on February 24, 2000 was 173 7/8.


                                      A-11
<PAGE>

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

                                H O L D R S /SM/
                            INTERNET INFRASTRUCTURE

                       1,000,000,000 Depositary Receipts

                    Internet Infrastructure HOLDRS SM Trust

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

                              P R O S P E C T U S

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

                              Merrill Lynch & Co.

                               February 24, 2000

      Until March 20, 2000 (25 days after the date of this prospectus), all
dealers effecting transactions in the offered Internet Infrastructure HOLDRS,
whether or not participating in this distribution, may be required to deliver a
prospectus. This requirement is in addition to the obligations of dealers to
deliver a prospectus when acting as underwriters and with respect to unsold
allotments or subscriptions.

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


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