EMULEX CORP /DE/
S-3, 1999-04-06
COMPUTER COMMUNICATIONS EQUIPMENT
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<PAGE>
 
      Filed with the Securities and Exchange Commission on April 6, 1999
                                                     Registration No. 333-
================================================================================
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549
 
                                ---------------
 
                                   FORM S-3
                            REGISTRATION STATEMENT
                                     UNDER
                          THE SECURITIES ACT OF 1933
 
                                ---------------
 
                              EMULEX CORPORATION
            (Exact name of registrant as specified in its charter)
 
                                ---------------
<TABLE>
<S>                                                <C>
                     Delaware                                          51-0300558
           (State or other jurisdiction                             (I.R.S. Employer
        of incorporation or organization)                        Identification Number)
</TABLE>
 
                             3535 Harbor Boulevard
                         Costa Mesa, California 92626
                                (714) 662-5600
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
 
                                ---------------
 
                                PAUL F. FOLINO
                     President and Chief Executive Officer
                              Emulex Corporation
                             3535 Harbor Boulevard
                         Costa Mesa, California 92626
                                (714) 662-5600
  (Name and address, including zip code, and telephone number, including area
                          code, of agent for service)
 
                                  Copies to:
<TABLE>
<S>                                                <C>
            ROBERT M. STEINBERG, ESQ.                            D. BRADLEY PECK, ESQ.
      Jeffer, Mangels, Butler & Marmaro LLP                        Cooley Godward LLP
       2121 Avenue of the Stars, 10th Floor                 4365 Executive Drive, Suite 1100
          Los Angeles, California 90067                       San Diego, California 92121
                  (310) 203-8080                                     (619) 550-6000
                Fax (310) 203-0567                                 Fax (619) 453-3555
</TABLE>
                                ---------------
 
  Approximate date of commencement of proposed sale to the public: As soon as
practicable after this Registration Statement becomes effective.
 
  If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
 
  If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [_]
 
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
 
  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
 
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
 
                        CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
==========================================================================================================
                                                                Proposed        Proposed
                                                 Amount         maximum          maximum       Amount of
          Title of each class of                 to be       offering price     aggregate     registration
        securities to be registered          registered(1)    per unit(2)   offering price(2)     fee
- ----------------------------------------------------------------------------------------------------------
<S>                                         <C>              <C>            <C>               <C>
Common Stock, $0.20 par value(3)..........  2,415,000 shares    $32.0625       $77,430,937     $21,525.80
==========================================================================================================
</TABLE>
(1) Includes (i) 100,000 shares registered on behalf of a selling stockholder,
    and (ii) 315,000 shares which the Underwriters have the option to purchase
    solely to cover over-allotments, if any.
 
(2) The proposed maximum offering price per share and the registration fee
    were calculated in accordance with Rule 457(c) under the Securities Act of
    1933, based on the last sale price for the Registrant's Common Stock on
    April 1, 1999, as quoted on the Nasdaq National Market.
 
(3) Includes attached preferred stock purchase rights issuable under the
    Registrant's stockholder Rights Agreement, dated January 19, 1989, as
    amended. See "Description of Capital Stock--Stockholder Rights Plan" in
    the prospectus that is filed as part of this Registration Statement.
                                ---------------
 
   The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant
shall file a further amendment which specifically states that this
Registration Statement shall thereafter become effective in accordance with
Section 8(a) of the Securities Act of 1933, as amended, or until this
Registration Statement shall become effective on such date as the Securities
and Exchange Commission, acting pursuant to Section 8(a), may determine.
================================================================================
<PAGE>
 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+The information in this preliminary prospectus is not complete and may be     +
+changed. We may not sell these securities until the registration statement    +
+filed with the Securities and Exchange Commission is effective. This          +
+preliminary prospectus is not an offer to sell these securities and it is not +
+soliciting an offer to buy these securities in any jurisdiction where the     +
+offer or sale is not permitted.                                               +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
                SUBJECT TO COMPLETION, DATED              , 1999
 
                       [LOGO OF EMULEX NETWORK SYSTEMS]
 
                                2,100,000 Shares
 
                                  Common Stock
 
  Emulex Corporation is offering 2,000,000 shares of our common stock, and a
selling stockholder is selling an additional 100,000 shares. Our common stock
is traded on the Nasdaq National Market under the symbol "EMLX." The last
reported sale price of our common stock on the Nasdaq National Market on
          , 1999 was $     per share.
 
                                 ------------
 
                 Investing in our common stock involves risks.
                    See "Risk Factors" beginning on page 3.
 
                                 ------------
 
<TABLE>
<CAPTION>
                                                                      Per
                                                                     share Total
<S>                                                                  <C>   <C>
Public offering price............................................... $     $
Underwriting discounts and commissions..............................
Proceeds to Emulex..................................................
Proceeds to the selling stockholder.................................
</TABLE>
 
  The Securities and Exchange Commission and state securities regulators have
not approved or disapproved of these securities, or determined if this
prospectus is truthful or complete. Any representation to the contrary is a
criminal offense.
 
  We have granted the underwriters a 30-day option to purchase up to an
additional 315,000 shares of common stock to cover over-allotments. BancBoston
Robertson Stephens Inc. expects to deliver the shares of common stock to
purchasers on           , 1999.
 
                                 ------------
 
BancBoston Robertson Stephens
 
         Dain Rauscher Wessels
           a division of Dain Rauscher Incorporated
 
                          Morgan Keegan & Company
 
                                        Needham & Company
 
              The date of this prospectus is              , 1999.
<PAGE>
 
S-3 Images

(Inside front cover)

Title:  The "Emulex" title is in Bold Purple flush right.
Below the Emulex title is a subtitle that reads "Providing Superior Fibre
Channel Solutions" in bold black

Image:

The image consists of four quadrants, at the center of which is the I/O by
Emulex logo. Each quadrant has a title with a check mark next to it, and one or
two bullets below. The text in each quadrant is as follows:

Quadrant 1:
Title:  Performance
Bullet:
 .  Gigabit fibre channel adapters support over 150 MB/sec of throughput

Quadrant 2:
Title: Reliability
Bullets:
 .  Shipping adapters since 1996
 .  Digital hub provides enhanced reliability

Quadrant 3:
Title:  Customization
Bullet:
 .  Common OEM interface enables low-cost migration to new adapters

Quadrant 4:
Title:  Scalability
 .  Broad implementation of the fibre channel standard


Below the above image is a caption that consists of a series of bullet points as
follows:
 .  Leading independent supplier of fibre channel PCI adapters
 .  Sole developer and supplier of both fibre channel adapters and hubs
 .  Over 90 design wins with over 20 key OEMs, including Compaq, Data General,
   EMC, Hitachi, IBM, Sequent and Siemens.
<PAGE>
 
(Gatefold)

Titles:  The "Emulex" title is in Bold Purple flush right.
Below the Emulex title is a subtitle that reads "Enabling a New Generation of
Networked Storage" in bold black

Image (two pages wide):

The image consists of two diagrams side by side. The one on the left is titled
"Traditional Storage Connectivity," and is subtitled "Server-centric Storage."
The one on the right, which takes up two thirds of the page, is titled "Today's
Emerging Networked Storage Architecture," underneath which are two subtitles
side by side, "Storage Area Network," and "Local Area Network." Under "Storage
Area Network" is "fibre channel," and under "Local Area Network" is
"Ethernet/token ring/fddi."

The Traditional Storage Connectivity diagram depicts a cloud, representing a
LAN, to which servers are attached on one side, and PCs and printers are
attached on the other. On the far left side of the LAN-attached servers are
storage subsystems, which are connected to the servers via a connection
identified as SCSI.

The diagram below "Today's Emerging Networked Storage Architecture" again
depicts a cloud, representing a LAN, to which servers are attached on one side,
and PCs and printers are attached on the other. On the far left side of the LAN-
attached servers, instead of storage subsystems connected via SCSI, is a
depiction of a SAN that uses fibre channel connections for storage connectivity.

The SAN consists of the LAN-attached servers plus multiple storage subsystems,
all of which are connected by fibre channel links radiating out from a fibre
channel switch. The fibre channel switch is also connected to a fibre channel
hub that links workstations and storage subsystems within a loop. The diagram
also identifies fibre channel elements, including host adapters that connect
servers to the SAN, ASICs that connect storage subsystems to the SAN, and hubs,
and these are depicted as products manufactured by Emulex.

Below the above image is a caption that consists of a series of bullet points as
follows:
 .  Emerging SANs overcome traditional I/O limitations
 .  Emulex fibre channel host adapters, hubs and ASICs are key SAN components
 .  Enables faster performance, improved scalability and enhanced reliability of
   computer and storage resources
<PAGE>
 
   You should rely only on the information contained in this prospectus. We
have not authorized anyone to provide you with information different from that
contained in this prospectus. We are offering to sell, and seeking offers to
buy, shares of common stock only in jurisdictions where offers and sales are
permitted. The information contained in this prospectus is accurate only as of
the date of this prospectus, regardless of the time of delivery of this
prospectus or of any sale of our common stock. In this prospectus, references
to "Emulex," the "Company," "we," "our" and "us" refer to Emulex Corporation.
 
                               ----------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                          Page
                                                                          ----
<S>                                                                       <C>
Summary..................................................................   1
Risk Factors.............................................................   3
Use of Proceeds..........................................................  14
Price Range of Common Stock..............................................  14
Dividend Policy..........................................................  14
Capitalization...........................................................  15
Selected Consolidated Financial Data.....................................  16
Management's Discussion and Analysis of Financial Condition and Results
 of Operations...........................................................  17
Business.................................................................  27
Management...............................................................  39
Principal and Selling Stockholders.......................................  41
Description of Capital Stock.............................................  43
Underwriting.............................................................  45
Legal Matters............................................................  46
Experts..................................................................  46
Where You Can Find More Information......................................  46
Index to Consolidated Financial Statements............................... F-1
</TABLE>
 
                               ----------------
 
   We own or have rights to product names, trademarks and tradenames that we
use in conjunction with the sale of our products. Emulex, LightPulse, NETJet,
NETQue and others are registered trademarks owned by us. This prospectus also
contains product names, trademarks and tradenames that belong to us or other
organizations.
<PAGE>
 
                                    SUMMARY
 
   Because this is only a summary, it does not contain all the information that
may be important to you. You should read the entire prospectus, especially
"Risk Factors" and the consolidated financial statements and notes, before
deciding to invest in our common stock. This prospectus contains forward-
looking statements which involve risks and uncertainties. Our actual results
could differ materially from those anticipated in these forward-looking
statements as a result of certain factors, including those set forth under
"Risk Factors" and elsewhere in this prospectus.
 
                                  Our Company
 
   Emulex is a leading designer, developer and supplier of a broad line of
fibre channel host adapters, hubs, Application Specific Integrated Circuits, or
ASICs, and software products that enhance access to and storage of electronic
data and applications. We believe that we are the only company that designs,
develops and markets both fibre channel host adapters and hubs, two of the core
components of a complete fibre channel solution. Our products are based on
internally developed ASIC technology, are deployable across a variety of
heterogeneous network configurations and operating systems, and support
increasing volumes of stored data. We believe our products offer our customers
the unique combination of critical reliability, scalability, high performance
and customization for mission-critical servers and storage systems. Our fibre
channel development efforts began in 1992, we shipped our first fibre channel
product in volume in 1996 and we believe we are the leading manufacturer of
Peripheral Component Interconnect bus, or PCI, fibre channel host adapters.
Over the course of our history, we have also designed, developed and marketed
traditional networking products, such as printer servers and network access
products, including communications servers and wide area network, or WAN,
adapters.
 
   In recent years, the volume of stored electronic data in enterprises has
expanded significantly, due largely to the growth of data intensive
applications such as online transaction processing, data mining, data
warehousing, multimedia and Internet applications. With the dramatic increase
in information storage and retrieval requirements, system performance has
become increasingly constrained by traditional server-centric Input/Output, or
I/O, architectures such as Small Computer Systems Interface, or SCSI, that are
unable to avoid communications and storage bottlenecks. Fibre channel is a new
technology introduced to overcome the limitations of traditional I/O
technologies. Fibre channel offers the connectivity, distance and access
benefits of networking architectures combined with the high performance and low
latency needed for I/O applications. According to emf Associates, the market
for fibre channel hubs and host adapters is expected to expand from
approximately $384 million in 1998 to $3.4 billion in 2003.
 
   Our objective is to be a leading supplier of high-availability, high-
performance fibre channel solutions. We believe that we have established a
leadership position in the fibre channel host adapter market, and we intend to
leverage this position to address additional opportunities in the fibre channel
market. Key elements of our strategy include the following:
 
  . Focus our resources and leverage our technology to develop, market and
    supply superior fibre channel storage solutions;
 
  . Address the evolving fibre channel market by offering solutions that meet
    a broad range of customer needs and by increasing our range of
    distribution channels to properly serve this expanding market; and
 
  . Expand strategic and original equipment manufacturer, or OEM,
    relationships to insure interoperability, to drive proliferation of end-
    to-end fibre channel solutions, to secure significant customer
    relationships and to capture more market share.
 
   We market and sell our products primarily to computer and storage systems
OEMs and, to a lesser extent, through two-tier distribution channels. As an
early market entrant with a high-performance networked storage connectivity
solution, we have leveraged our expertise to achieve over 90 design wins and
secure significant customer relationships with over 20 key OEMs, including
Compaq, Data General, EMC, Hitachi, IBM, Sequent and Siemens.
 
                                  Our Address
 
   Our executive offices are located at 3535 Harbor Boulevard, Costa Mesa,
California 92626, and our telephone number at that address is (714) 662-5600.
Our website is located at http://www.emulex.com. Information contained on our
website is not part of this prospectus.
 
                                       1
<PAGE>
 
                                  The Offering
 
<TABLE>
 <C>                                               <S>
 Common stock offered by Emulex................... 2,000,000 shares
 Common stock offered by the selling stockholder.. 100,000 shares
 Common stock to be outstanding 
   after the offering............................. 8,158,969 shares (1)
 Use of proceeds.................................. Working capital and general
                                                   corporate purposes. See
                                                   "Use of Proceeds."
</TABLE>
 
                      Summary Consolidated Financial Data
                     (in thousands, except per share data)
 
<TABLE>
<CAPTION>
                                  Year Ended               Six Months Ended
                          ---------------------------  -------------------------
                          June 30,  June 29, June 28,  December 28, December 27,
                            1996      1997     1998        1997         1998
                          --------  -------- --------  ------------ ------------
<S>                       <C>       <C>      <C>       <C>          <C>
Consolidated statement
 of operations data:
Net revenues:
  Fibre channel.........  $  1,138  $11,521  $ 18,944    $10,071      $13,310
  Traditional networking
   and other............    50,200   53,242    40,541     20,429       16,487
                          --------  -------  --------    -------      -------
Total net revenues......    51,338   64,763    59,485     30,500       29,797
Gross profit(2).........    16,490   24,558    22,673     12,957       11,851
Operating income
 (loss).................   (10,908)     992   (11,039)     1,634          908
Net income (loss).......    (9,288)   1,569   (10,838)     1,717          862
Earnings (loss) per
 share:
  Basic.................  $  (1.56) $  0.26  $  (1.77)   $  0.28      $  0.14
  Diluted...............  $  (1.56) $  0.25  $  (1.77)   $  0.27      $  0.13
Number of shares used in
 per share computations:
  Basic.................     5,936    6,044     6,121      6,110        6,142
  Diluted...............     5,936    6,294     6,121      6,321        6,618
</TABLE>
 
<TABLE>
<CAPTION>
                                                            December 27, 1998
                                                          ----------------------
                                                          Actual  As Adjusted(3)
                                                          ------- --------------
<S>                                                       <C>     <C>
Consolidated balance sheet data:
Cash and cash equivalents................................ $ 4,425    $64,223
Working capital..........................................  13,269     73,067
Total assets.............................................  30,060     89,858
Total stockholders' equity...............................  14,602     74,440
</TABLE>
- --------
(1)  This number does not include:
 
     . 315,000 shares issuable to the underwriters upon exercise of an over-
       allotment option to purchase shares of common stock at the public
       offering price; this option expires 30 days after the date of this
       offering;
 
     . An aggregate of 1,029,709 shares of our common stock issuable upon
       exercise of outstanding options; or
 
     . An aggregate of 1,850,291 shares of our common stock available for
       issuance under our employee and director stock option plans.
 
(2)  Fiscal 1996, 1997 and 1998 amounts have been reclassified to conform to our
     fiscal 1999 presentation.
 
(3)  Adjusted to reflect the proceeds from the sale of 2,000,000 shares of
     common stock by us at an assumed public offering price of $32 1/16 per
     share and after deducting the underwriting discounts and estimated offering
     expenses.
 
                              --------------------
 
   Unless otherwise stated in this prospectus, all information contained in
this prospectus assumes no exercise of the over-allotment option granted to the
underwriters.
 
                                       2
<PAGE>
 
                                  RISK FACTORS
 
   You should carefully consider the risks described below before making an
investment decision. The risks and uncertainties described below are not the
only ones we face. Additional risks and uncertainties not presently known to us
or that we currently deem immaterial may also impair our operations. If any of
the following risks actually occur, our business, results of operations and
financial condition could be materially adversely affected. In such case, the
trading price of our common stock could decline, and you may lose all or part
of your investment. This prospectus also contains forward-looking statements
that involve risks and uncertainties. Our actual results could differ
materially from those anticipated in these forward-looking statements as a
result of certain factors, including the risks faced by us described below and
elsewhere in this prospectus.
 
We have experienced losses in our history.
 
   We incurred a net loss of approximately $10.8 million for the fiscal year
ended June 28, 1998. In fiscal year 1998, we had $1.9 million of incremental
inventory reserves and $10.6 million of consolidation charges in conjunction
with the planned closure of our Puerto Rico manufacturing operations. While we
have generated net income for eight of the last nine quarters through the
quarter ended December 27, 1998, we cannot be certain that revenues will remain
at current levels or improve or that we will be profitable at such revenue
levels.
 
Our operating results may fluctuate significantly.
 
   Our revenues and results of operations have varied on a quarterly basis in
the past and potentially may vary significantly in the future. Accordingly, we
believe that period-to-period comparisons of our results of operations are not
necessarily meaningful, and you should not rely on such comparisons as
indications of our future performance. Our revenues and results of operations
are difficult to forecast and could be adversely affected by many factors,
including, among others:
 
  . The size, timing and terms of customer orders;
 
  . The relatively long sales and deployment cycles for our products,
    particularly those sold through our OEM sales channels;
 
  . Changes in our operating expenses;
 
  . Our ability to develop and market new products;
 
  . The ability of our contract manufacturer to produce and distribute our
    products in a timely fashion;
 
  . The market acceptance of our new fibre channel products;
 
  . The timing of the introduction or enhancement of products by us, our OEM
    customers and our competitors;
 
  . The level of product and price competition;
 
  . Our ability to expand our relationships with OEMs and distributors;
 
  . Activities of and acquisitions by our competitors;
 
  . Changes in technology, industry standards or consumer preferences;
 
  . Changes in the mix of products sold, as our fibre channel products
    typically have higher margins than our traditional networking products;
 
  . Changes in the mix of sales channels;
 
  . The level of international sales;
 
  . Seasonality;
 
                                       3
<PAGE>
 
  . Personnel changes;
 
  . Changes in customer budgeting cycles;
 
  . Foreign currency exchange rates; and
 
  . General economic conditions.
 
As a result of these and other factors, our business, results of operations and
financial condition could be materially adversely affected.
 
   There are other factors which contribute to the variability of our sales as
well. We generally ship products quickly after we receive orders, meaning that
we do not typically have a significant backlog of unfilled orders. As a result,
our revenues in a given quarter depend substantially on orders booked in that
quarter. Also, we typically generate a large percentage of our quarterly
revenues in the last month of the quarter. Additionally, certain OEM customers
tend to order sporadically, and their purchases can vary significantly from
quarter to quarter.
 
   A decrease in the number of orders we receive is likely to adversely and
disproportionately affect our quarterly results of operations. This is because
our expense levels are partially based on our expectations of future sales and
our expenses may be disproportionately large as compared to sales in a quarter
with reduced orders. Hence, we may be unable to adjust spending in a timely
manner to compensate for any unexpected revenue shortfall. Any shortfall in
sales in relation to our quarterly expectations or any delay of customer orders
would likely have an immediate and adverse impact on our business, quarterly
results of operations and financial condition.
 
Our business depends upon acceptance of the fibre channel standard and the
development of the fibre channel market.
 
   The size of our potential market is dependent upon the broad acceptance of
fibre channel technology as an alternative to other technologies traditionally
utilized for network and storage communications. The fibre channel market,
while rapidly evolving and attracting an increasing number of market
participants, is still at an early stage of development. We believe the fibre
channel market will continue to expand and that our investment in the fibre
channel market represents our greatest opportunity for revenue growth and
profitability in the future. However, we cannot be certain that fibre channel
products will gain broader market acceptance or that customers will choose our
technology and products. If the fibre channel market fails to develop, develops
more slowly than anticipated or attracts more competitors than we expect (as
discussed below), our business, results of operations and financial condition
would be materially adversely affected. A similar result would occur if our
products do not achieve market acceptance.
 
   Alternative technologies such as SCSI compete with fibre channel technology
for customers. Some SCSI technology companies already have well-established
relationships with our current and potential customers, have extensive
knowledge of the markets we serve and have better name recognition and more
extensive development, sales and marketing resources than we have. Our success
also depends both on our own ability and on the ability of our OEM customers to
develop fibre channel solutions that are competitive with other technologies.
Ultimately, our business depends upon our ability, along with the ability of
our OEM customers, to convince end users to adopt fibre channel technology.
 
   While we have secured numerous design wins for our fibre channel products
from OEM customers, nearly all of these customers are still at the very early
stages of initial commercial shipments or at the developmental stage of
incorporating fibre channel into their systems. Only a limited number of OEM
customers are in full commercial production of products that incorporate our
fibre channel products. If our developmental and early stage customers are
unable to or otherwise do not ship systems that incorporate our products, or if
their shipped systems are not commercially successful, our business, results of
operations and financial condition would be materially adversely affected.
 
                                       4
<PAGE>
 
We depend upon a small number of customers.
 
   For the six months ended December 27, 1998, sales to our top customer, IBM,
represented 17 percent of our net revenues. In the comparable period of the
prior fiscal year, sales to Sequent Computer Systems represented 18 percent of
net revenues. Sales to our top five customers accounted for 46 percent of net
revenues for the six months ended December 27, 1998 and for 43 percent of net
revenues for the six months ended December 28, 1997. In each of these periods,
four of our top five customers were OEMs. Although we have attempted to expand
our base of OEM customers, our revenues in the future may nonetheless be
similarly derived from a limited number of OEM customers.
 
   We are also subject to credit risk associated with the concentration of our
accounts receivable from our customers. If we were to lose one of our current
significant customers or did not receive their payments due to us, we could
experience a material adverse effect on our business, results of operations and
financial condition.
 
We rely on OEM and distributor customers with whom our relationships are not
guaranteed.
 
   We rely almost exclusively on OEMs and distributors for our sales. In each
of fiscal 1998 and the six months ended December 27, 1998, we derived
approximately 71 percent of our net revenues from OEMs and 26 percent from
distributors. We cannot be certain that we will retain our current OEM and
distributor customers or that we will be able to recruit additional or
replacement customers. As is common in an emerging technology industry, our
agreements with OEMs and distributors are typically non-exclusive and often may
be terminated by either party without cause. Indeed, many of our OEM and
distributor customers carry or utilize competing product lines. If we were to
suddenly lose one or more important OEM or distributor customers to a
competitor, our business, results of operations and financial condition could
be materially adversely affected.
 
   We negotiate individual agreements with the majority of our OEMs and
distributors. Although these agreements are substantially standardized,
individual negotiations sometimes result in variances among the agreements.
Some of these agreements may provide for discounts based on expected or actual
volumes of products purchased or resold in a given period, and some of these
agreements do not require minimum purchases.
 
   The fact that our relationships with customers are not guaranteed is also
significant in the context of our dependence on a small number of customers.
The composition of our list of largest OEM customers can vary from period to
period as product cycles end, customer agreements expire and new products and
customers emerge. Many of our arrangements with OEMs are provided on a project-
by-project basis, are not governed by long-term agreements or are terminable
upon little or no notice. We cannot be certain of the ability or willingness of
any of our OEM customers to continue utilizing our products and technology.
 
   Some of our OEM customers could develop products internally that would
replace our products. The resulting reduction in sales of our products to our
OEM customers could have a material adverse effect on our business, results of
operations and financial condition.
 
Our industries are subject to rapid technological change and evolving industry
standards.
 
   The markets for our products are characterized by rapidly changing
technology, evolving industry standards and the frequent introduction of new
products and enhancements. Our future success depends in a large part on our
ability to enhance our existing products and to introduce new products on a
timely basis to meet changes in customer preferences and evolving industry
standards. We cannot be certain that we will be successful in developing,
manufacturing and marketing new products or product enhancements that respond
to such changes in a timely manner and achieve market acceptance. We also
cannot be certain that we will be able to develop the underlying core
technologies necessary to create new products and enhancements, or that we will
be able to license the core technologies from third parties.
 
 
                                       5
<PAGE>
 
   A key element of our business strategy is to develop multiple ASICs in order
to increase system performance and reduce manufacturing costs, thereby
enhancing the price/performance of our fibre channel products. We cannot be
certain that we will be successful at developing and incorporating ASICs
effectively and in a timely manner. Additionally, changes in technology and
consumer preference could potentially render our current products uncompetitive
or obsolete. If we are unable, for technological or other reasons, to develop
new products or enhance existing products in a timely manner in response to
technological and market changes, our business, results of operations and
financial condition would be materially adversely affected.
 
We depend upon our OEM customers to keep up with rapid technological change and
evolving industry standards.
 
   Our revenues depend significantly upon the ability and willingness of our
OEM customers to develop and promote products on a timely basis that
incorporate our technology. The ability and willingness of OEM customers to
develop and promote such products is based upon a number of factors, such as:
 
  . The timely development by us and our OEM customers of new products with
    new functionality, increased speed and enhanced performance at acceptable
    prices;
 
  . The development costs facing our OEM customers;
 
  . The compatibility of new products with both existing and emerging
    industry standards;
 
  . Technological advances;
 
  . Intellectual property issues; and
 
  . Competition in general.
 
   We cannot be certain of the ability or willingness of our OEM customers to
continue developing, marketing and selling products that incorporate our
technology. Our business is dependent on our relationships with our OEM and
distributor customers, so the inability or unwillingness of any of our
significant customers to develop or promote products which use our technology
would have a material adverse effect on our business, results of operations and
financial condition.
 
We are investing heavily in fibre channel technology, and a significant
percentage of our revenues are from fibre channel sales.
 
   We are currently investing substantial resources in the engineering of
products to address the fibre channel market, an unproven market that is still
in the early stages of development. Fibre channel products accounted for 45
percent of our net revenues for the six months ended December 27, 1998. If
fibre channel technology is not widely accepted or if the fibre channel market
either fails to develop or develops too slowly, our business, results of
operations and financial condition would be materially adversely affected.
 
A significant percentage of our revenues are from product lines which are being
phased out.
 
   We have shifted the focus of our business to fibre channel technology.
However, our revenues still depend significantly on sales of our traditional
networking products. These traditional networking products accounted for 55
percent of our net revenues for the six months ended December 27, 1998. If the
maturation of these products were to occur faster than we anticipate, our
business, results of operations and financial condition would be materially
adversely affected.
 
Our markets are highly competitive.
 
   The markets for our products are highly competitive and are characterized by
rapid technological advances, price erosion, frequent new product introductions
and evolving industry standards. Our current and
 
                                       6
<PAGE>
 
potential competition consists of major domestic and international companies,
many of which have substantially greater financial, technical, marketing and
distribution resources than we have. We expect that an increasing number of
companies will enter the markets for our products, particularly the new and
evolving fibre channel market. Furthermore, larger companies in other related
industries may develop or acquire technologies and apply their significant
resources, such as distribution channels and brand recognition, to acquire
significant market share. Emerging companies attempting to obtain a share of
the existing markets act as potential competition as well. Our competitors
continue to introduce products with improved price/performance characteristics,
and we will have to do the same to remain competitive. Increased competition
could result in significant price competition, reduced revenues, lower profit
margins or loss of market share, any of which would have a material adverse
effect on our business, results of operations and financial condition. We
cannot be certain that we will be able to compete successfully against either
current or potential competitors in the future.
 
   In the fibre channel market, we compete primarily against Hewlett-Packard,
QLogic Corporation, Vixel, Gadzoox Microsystems and several smaller companies
to a lesser extent. In the printer server market, we compete directly against a
number of smaller companies and indirectly against Hewlett-Packard and Lexmark,
the two largest printer vendors, both of which primarily use their own
internally-developed printer servers. In the network access market, we compete
against numerous networking companies who offer network access solutions.
 
   As is common in an emerging technology industry with non-exclusive
development arrangements, many of our OEM customers arrange second source
agreements to meet their requirements. Furthermore, in the future our OEM
customers may develop products that compete with ours or purchase from our
competitors and may terminate their relationships with us as a result.
 
The average unit selling prices of our fibre channel products may decrease.
 
   As the market for fibre channel products matures, it is likely that we will
experience downward pressure on the average unit selling prices of our fibre
channel products. To the extent that average unit selling prices of our fibre
channel products decrease without a corresponding decrease in the costs of such
products, our gross margins and financial performance could be materially
adversely affected.
 
We face risks associated with delays in product development.
 
   We have experienced delays in product development in the past and may
experience similar delays in the future. Prior delays have resulted from
numerous factors, such as:
 
  . Changing OEM product specifications;
 
  . Difficulties in hiring and retaining necessary personnel;
 
  . Difficulties in reallocating engineering resources and other resource
    limitations;
 
  . Difficulties with independent contractors;
 
  . Changing market or competitive product requirements; and
 
  . Unanticipated engineering complexity.
 
   Additionally, in the past our software and hardware have contained
undetected errors or failures that became evident upon product introduction or
as production volume increased. Despite testing by us, our suppliers and our
OEM customers, we cannot be certain that such errors will not be found in the
future as well. We also could experience other development challenges which
result in unanticipated problems or delays in the acceptance of products by our
OEM customers or the shipment of products by those customers. Nor can we be
certain that our new products and technology will meet performance
specifications under all conditions or for all anticipated applications. Given
the short product life cycles in the markets for our products, any delay or
 
                                       7
<PAGE>
 
unanticipated difficulty associated with new product introductions or product
enhancements could have a material adverse effect on our business, results of
operations and financial condition.
 
   We have engaged in joint development projects with third parties in the past
and we expect to continue doing so in the future. Joint development creates
several risks for us, including the loss of control over development of aspects
of the jointly-developed products and over the timing of product availability.
Accordingly, we face the risk that joint development activities will result in
products that are not commercially successful or that are not available in a
timely fashion.
 
We depend upon third-party suppliers and a contract manufacturer in producing
our products.
 
   We rely on third-party suppliers for components which are used in our
products. Most components are readily available from alternate sources.
However, we have experienced delays or difficulty in securing certain
components in the past. While substantially all of our competitors experience
such difficulties in differing degrees, if certain components from current
suppliers became unavailable, particularly components with long lead-times,
such as ASICs, we would experience delays in the shipment of our products. We
would also incur additional expenses associated with obtaining and qualifying a
new supplier or redesigning the product to accept more readily available
components.
 
   Certain key components that we use in our products are only available from
single sources with which we do not have long-term contracts. Furthermore, the
components we use for our fibre channel products are based on an emerging
technology and may not be available with the performance characteristics or in
the quantities that we require. Because we transitioned the production of our
products to a contract manufacturer, K*Tec Electronics, a division of Kent
Electronics Corporation, we plan to maintain only a minimal supply of certain
key components. We now rely on K*Tec Electronics to complete the majority of
the component purchases for our products. Consequently, we cannot be certain
that the necessary components will be available to meet our future requirements
at favorable prices, if at all. Moreover, because we rely on K*Tec Electronics
to manufacture, store and ship our products, if K*Tec Electronics is unable or
unwilling to complete production runs for us in the future, or experiences any
significant delays in completing production runs or shipping product, the
manufacturing and sale of our products would be temporarily suspended. An
interruption in supply of our products and the cost of qualifying and shifting
production to an alternative manufacturing facility would have a material
adverse effect on our business, results of operations and financial condition.
 
   We also rely on third-party suppliers for some of the software incorporated
in some of our products. These software items generally are not readily
available from alternate sources. Our future inability to supply products due
to a lack of components or software or our inability to redesign products to
accept alternatives in a timely manner would materially adversely affect our
business, results of operations and financial condition.
 
Our success depends upon the continued demand for high performance computer and
storage systems.
 
   A significant portion of our products are currently used in high-performance
computer and storage systems. Our fibre channel growth has been supported by
increasing demands for sophisticated I/O solutions which support enterprise
computing requirements, including on-line transaction processing, data mining,
data warehousing, multimedia and Internet applications. Should there be a
slowing in the growth of demand for such systems, our business, results of
operations and financial condition could be materially adversely affected.
 
Our success depends in part upon protecting our intellectual property.
 
   We believe that our continued success depends primarily on continuing
innovation, marketing and technical expertise, as well as the quality of
product support and customer relations. At the same time, our success is
partially dependent on the proprietary technology contained in our products. We
currently rely on a combination of patents, copyrights, trademarks, trade
secret laws and contractual provisions to establish and protect our
intellectual property rights in our products. For a more complete description
of our intellectual property, you should read "Business--Intellectual
Property." We cannot be
 
                                       8
<PAGE>
 
certain that the steps we take to protect our intellectual property will
adequately protect our proprietary rights, that others will not independently
develop or otherwise acquire equivalent or superior technology or that we can
maintain such technology as trade secrets. In addition, the laws of certain
countries in which our products are or may be developed, manufactured or sold,
including various countries in Asia, may not protect our products and
intellectual property rights to the same extent as the laws of the United
States or at all. Our failure to protect our intellectual property rights could
have a material adverse effect on our business, results of operations and
financial condition.
 
   We believe that our products and technology do not infringe on the
intellectual property rights of others or upon intellectual property rights
that may be granted in the future pursuant to pending applications. We also
believe that we will not be required to obtain licenses of technology owned by
other parties. However, we occasionally receive communications from third
parties alleging patent infringement, and there is always the chance that third
parties may assert infringement claims against us. Any such claims, with or
without merit, could result in costly litigation, cause product shipment delays
or require us to enter into royalty or licensing agreements. We cannot be
certain that the necessary licenses will be available or that they can be
obtained on commercially reasonable terms. If we were to fail to obtain such
royalty or licensing agreements in a timely manner and on reasonable terms, our
business, results of operations and financial condition would be materially
adversely affected.
 
We depend upon key personnel.
 
   Our success depends to a significant degree upon the performance and
continued service of our senior management and certain key employees, including
technical personnel involved in the development of our fibre channel
technology. Our future success also depends upon our ability to attract, train
and retain highly qualified technical, sales, marketing and managerial
personnel. We will need to increase the number of technical staff members with
experience in high-speed networking applications as we further develop the
fibre channel product line. Competition for such highly skilled employees in
our industry is intense, and we cannot be certain that we will be successful in
recruiting and retaining such personnel. In addition, employees may leave our
company and subsequently compete against us. The loss of key management,
technical or sales personnel could have a material adverse effect on our
business, results of operations and financial condition.
 
We face risks associated with our international business activities.
 
   During the six months ended December 27, 1998, sales in the United States
accounted for 65 percent of our net revenues, sales in Europe accounted for 29
percent of our net revenues, and sales in the Pacific Rim countries accounted
for six percent of our net revenues. During the six months ended December 28,
1997, sales in the United States accounted for 70 percent of net revenues,
sales in Europe accounted for 24 percent of our net revenues, and sales in the
Pacific Rim countries accounted for six percent of our net revenues. We expect
that sales in the United States and Europe will continue to account for the
substantial majority of our revenues for the foreseeable future.
 
   We encounter risks inherent in international operations. All of our sales
are currently denominated in U.S. dollars. As a result, if the value of the
U.S. dollar increases relative to foreign currencies, our products could become
less competitive in international markets. Our international business
activities could be limited or disrupted by any of the following factors:
 
  . The imposition of governmental controls and regulatory requirements;
 
  . The costs and risks of localizing products for foreign countries;
 
  . Restrictions on the export of technology;
 
  . Financial and stock market dislocations;
 
  . Longer accounts receivable payment cycles;
 
 
                                       9
<PAGE>
 
  . Potentially adverse tax consequences;
 
  . The repatriation of earnings;
 
  . The burden of complying with a wide variety of foreign laws;
 
  . Trade restrictions; and
 
  . Changes in tariffs.
 
   In addition, the revenues we earn in various countries in which we do
business may be subject to taxation by more than one jurisdiction, thereby
adversely affecting our earnings. These factors could harm future sales of our
products to international customers and have a material adverse effect on our
business, results of operations and financial condition.
 
Some of our products are subject to export restrictions.
 
   Our fibre channel products are subject to U.S. Department of Commerce export
control restrictions. Neither we nor our customers may export such products
without obtaining an export license. These U.S. export laws also prohibit the
export of our fibre channel products to a number of countries deemed by the
United States to be hostile. These restrictions may make foreign competitors
facing less stringent controls on their products more competitive in the global
market than we or our fibre channel customers are. The U.S. government may not
approve any pending or future export license requests. In addition, the list of
products and countries for which export approval is required, and the
regulatory policies with respect thereto, could be revised. The sale of our
fibre channel products could be harmed by our failure or the failure of our
customers to obtain the required licenses or by the costs of compliance.
 
Our business may be harmed by Year 2000 issues.
 
   Many existing computer systems and applications use two digits rather than
four to define the applicable year. These programs were designed without
considering the impact of the upcoming change in the century. If such programs
are not corrected, many computer systems could fail or create erroneous results
at or beyond the year 2000. We consider a product to be "Year 2000 compliant"
if the product's performance and functionality are unaffected by the processing
of dates prior to, during and after the year 2000. We believe that our current
products are all Year 2000 compliant. However, older products which we
previously sold, and which may still be covered under warranties, may not be
Year 2000 compliant. We are prepared to update these older products as required
under warranty for all issues that we have been able to identify. However, we
cannot be certain that all potential Year 2000 issues have been identified or
that the issues will be successfully resolved to the customers' satisfaction.
Consequently, customers may bring litigation against vendors, including us. Any
such claims, with or without merit, could result in a material adverse effect
on our business, results of operations and financial condition.
 
   We have committed resources in an attempt to identify and correct potential
Year 2000 issues, both in our products and in our internal computer systems and
applications. We have also committed resources in an attempt to identify the
Year 2000 issues of third parties which could impact us. We believe we have
identified and corrected, or have a plan in place to correct, any Year 2000
issues related to our products and internal computer systems. However, we rely
in various ways, both domestically and internationally, upon government
agencies, utility companies, telecommunication companies and other service
providers. Therefore we are in the process of completing a survey of our
suppliers, contract manufacturer and financial institutions to evaluate their
Year 2000 compliance plans. We will also use the survey to determine whether
any Year 2000 issues will impede the ability of any of our suppliers to
continue to provide us with goods and services. We are currently conducting a
survey of our customers. We cannot be certain that all of our suppliers,
government agencies, customers, financial institutions and other third parties
will not suffer business disruptions caused by a Year 2000 issue. Our
management believes that there are two most likely worst case scenarios related
to the Year
 
                                       10
<PAGE>
 
2000 issue that we may experience. The first would be an inability to obtain
inventory components from suppliers due to Year 2000 problems they experience.
The second would be delays in receiving orders or payments from customers due
to Year 2000 problems they experience. Either of the two scenarios could have a
material adverse effect on our business, results of operations and financial
condition.
 
   As we have not yet completed our full Year 2000 assessment, we have not
developed a contingency plan. We anticipate that our full Year 2000 review,
necessary remediation actions and contingency plan will be substantially
complete by the end of June 1999. Although this process has not generated any
material expenditures to date, and we do not currently foresee any in the
future, the costs related to this issue will continue to evolve as we identify
and address the remaining issues. Although we do not believe that the Year 2000
issue will pose any significant operational problems, there could be delays in
our efforts to address the Year 2000 issue or we could fail to fully identify
all Year 2000 issues in our systems, equipment or processes, or those of third
parties which affect us. Such delays or failures could have a material adverse
effect on our business, results of operations and financial condition.
 
We may need additional capital in the future and such additional financing may
not be available.
 
   We currently anticipate that our available cash resources, combined with the
net proceeds from this offering and financing available through our credit
facility, will be sufficient to meet our expected working capital and capital
expenditure requirements for at least the next 12 months. However, we cannot
assure you that such resources will be sufficient for anticipated or
unanticipated working capital and capital expenditure requirements. We may need
to raise additional funds through public or private debt or equity financings
in order to:
 
  . Take advantage of unanticipated opportunities, including more rapid
    international expansion or acquisitions of complementary businesses or
    technologies;
 
  . Develop new products or services; or
 
  . Respond to unanticipated competitive pressures.
 
   We may also raise additional funds through public or private debt or equity
financings if such financings become available on favorable terms. We cannot
assure you that any additional financing we may need will be available on terms
favorable to us, or at all. If adequate funds are not available or are not
available on acceptable terms, we may not be able to take advantage of
unanticipated opportunities, develop new products or services or otherwise
respond to unanticipated competitive pressures. In any such case, our business,
results of operations and financial condition could be materially adversely
affected.
 
We face risks associated with potential acquisitions.
 
   We may pursue acquisitions that could provide new technologies, products or
service offerings. Future acquisitions may involve the use of significant
amounts of cash, potentially dilutive issuances of equity or equity-linked
securities, incurrence of debt, or amortization expenses related to goodwill
and other intangible assets.
 
   In addition, acquisitions involve numerous risks, including:
 
  . Difficulties in the assimilation of the operations, technologies,
    products and personnel of the acquired company;
 
  . The diversion of management's attention from other business concerns;
 
  . Risks of entering markets in which we have no or limited prior
    experience; and
 
  . The potential loss of key employees of the acquired company.
 
                                       11
<PAGE>
 
   We currently have no commitments or agreements with respect to any such
acquisition. In the event that such an acquisition does occur and we are unable
to successfully integrate businesses, products, technologies or personnel that
we acquire, our business, results of operations and financial condition could
be materially adversely affected.
 
We have discretionary authority over the use of net proceeds.
 
   We have no specific allocations planned for the net proceeds of this
offering. Consequently, management will have a significant amount of discretion
as to how the proceeds will be spent, which could be in ways with which our
stockholders do not agree. Because of the number and variability of factors
that determine our use of net proceeds of this offering, we cannot assure you
that such application will not vary substantially from our current intentions.
Pending such uses, we expect to invest the net proceeds in short-term,
interest-bearing, investment grade securities, but we cannot predict whether
such investment will yield a favorable return.
 
The value of our stock will be diluted.
 
   Investors in this offering will incur immediate and substantial dilution in
the net tangible book value per share of our common stock.
 
Our stock price is volatile.
 
   The stock market in general, and the stock prices in technology-based
companies in particular, have experienced extreme volatility that often has
been unrelated to the operating performance of any specific public companies.
The market price of our common stock has fluctuated in the past and is likely
to fluctuate in the future as well. Any of the following factors could have a
significant impact on the market price of our common stock:
 
  . Quarterly variations in operating results;
 
  . Announcements of new products by us or our competitors;
 
  . The gain or loss of significant customers;
 
  . Changes in analysts' earnings estimates;
 
  . Pricing pressures;
 
  . Short-selling of our common stock;
 
  . General conditions in the computer, storage or communications markets; or
 
  . Events affecting other companies that investors deem to be comparable to
    us.
 
   Investors may be unable to resell their shares of our common stock at or
above the offering price. In the past, companies that have experienced
volatility in the market price of their stock have been the object of
securities class action litigation. If we were the object of securities class
action litigation, it could result in substantial costs and a diversion of
management's attention and resources.
 
We do not plan to pay cash dividends on our common stock.
 
   We have never paid cash dividends on our common stock and do not anticipate
paying any cash dividends in the foreseeable future. We intend to retain future
earnings, if any, to finance the growth and expansion of our business and for
general corporate purposes. In addition, the terms of our credit facility
prohibit us from paying dividends on our capital stock.
 
                                       12
<PAGE>
 
Our stockholder rights plan, certificate of incorporation and Delaware law
contain anti-takeover provisions.
 
   Our stockholder rights plan and certain provisions of our certificate of
incorporation and of the Delaware General Corporation Law could make it more
difficult for a third party to acquire us, even if doing so would be beneficial
to our stockholders. The stockholder rights plan and these provisions of our
certificate of incorporation and Delaware law are intended to encourage
potential acquirers to negotiate with us and allow our board of directors the
opportunity to consider alternative proposals in the interest of maximizing
stockholder value. However, such provisions may also discourage acquisition
proposals or delay or prevent a change in control, which could harm our stock
price. You should read "Description of Capital Stock" for more information on
the anti-takeover effects of provisions of our stockholder rights plan, our
certificate of incorporation and Delaware law.
 
                                       13
<PAGE>
 
                                USE OF PROCEEDS
 
   The net proceeds we will receive from the sale of 2,000,000 shares of common
stock offered by us at an assumed public offering price of $32 1/16 and after
deducting the underwriting discounts and commissions and offering expenses
payable by us are estimated to be $59.8 million (or $69.3 million if the
underwriters' over-allotment option is exercised in full). We will not receive
any proceeds from the sale of the shares being sold by the selling stockholder.
 
   We intend to use the proceeds of this offering primarily for working capital
and general corporate purposes, including the funding of research and
development of new products. We may also use a portion of the proceeds for
acquisitions of complementary businesses, products or technologies, although we
currently have no commitments or agreements for any such acquisitions. Pending
such uses, we expect to invest the net proceeds in short-term, interest-
bearing, investment grade securities.
 
                          PRICE RANGE OF COMMON STOCK
 
   Our common stock is traded on the Nasdaq National Market under the symbol
"EMLX." The following table sets forth for the indicated periods the range of
high and low per share closing sales prices for our common stock as reported on
the Nasdaq National Market.
 
<TABLE>
<CAPTION>
                                                                Price Range of
                                                                 Common Stock
                                                               -----------------
                                                                 High     Low
                                                               -------- --------
<S>                                                            <C>      <C>
Year Ended June 29, 1997:
  First Quarter .............................................. $15 1/2  $13
  Second Quarter.............................................. $18 1/8  $14 5/8
  Third Quarter .............................................. $20 1/8  $15
  Fourth Quarter.............................................. $21 1/8  $14 3/4
Year Ended June 28, 1998:
  First Quarter............................................... $19 1/4  $14 1/8
  Second Quarter.............................................. $19 3/4  $13 3/4
  Third Quarter............................................... $15      $ 8 7/8
  Fourth Quarter.............................................. $ 9 1/2  $ 5 5/8
Year Ended June 27, 1999:
  First Quarter............................................... $13 7/8  $ 5 3/4
  Second Quarter.............................................. $34 1/4  $11 1/16
  Third Quarter............................................... $40 7/16 $27 3/8
</TABLE>
 
   On April 1, 1999, the last reported sale price for our common stock was $32
1/16 per share. As of April 1, 1999, there were approximately 323 holders of
record of our common stock.
 
                                DIVIDEND POLICY
 
   We have never paid cash dividends on our common stock and do not anticipate
paying any cash dividends in the foreseeable future. We intend to retain our
earnings to finance the growth and development of our business and for general
corporate purposes. Additionally, the agreement with our credit facility
prohibits us from paying dividends on our capital stock.
 
                                       14
<PAGE>
 
                                 CAPITALIZATION
 
   The following table reflects our actual capitalization as of December 27,
1998, and as adjusted to reflect the receipt of the estimated proceeds from the
sale of 2,000,000 shares of common stock at an assumed public offering price of
$32 1/16 per share and after deducting underwriting discounts and estimated
offering expenses. This table is qualified by, and should be read in
conjunction with, the more detailed consolidated financial statements and notes
thereto included elsewhere in this prospectus.
 
<TABLE>
<CAPTION>
                                                                 December 27,
                                                                     1998
                                                               ----------------
                                                                          As
                                                               Actual  Adjusted
                                                               ------- --------
                                                                (in thousands)
<S>                                                            <C>     <C>
Short-term debt -- current portion of capitalized lease
 obligations.................................................. $    47 $    47
                                                               ======= =======
Long-term obligations.........................................     --      --
Stockholders' equity:
 Preferred stock, $0.01 par value; 1,000,000 authorized
  (150,000 shares designated as Series A Junior Participating
  Preferred Stock); none issued and outstanding...............     --      --
 Common stock, $0.20 par value; 20,000,000 shares authorized;
  6,155,262 shares issued and outstanding; 8,155,262 shares
  issued and outstanding, as adjusted(1)......................   1,231   1,631
Additional paid-in capital....................................   7,574  66,972
Retained earnings.............................................   5,797   5,797
                                                               ------- -------
  Total stockholders' equity..................................  14,602  74,400
                                                               ------- -------
    Total capitalization...................................... $14,602 $74,400
                                                               ======= =======
</TABLE>
- --------
(1) Excludes 1,022,823 shares that were subject to options as of December 27,
    1998 (see note 9 of notes to consolidated financial statements).
 
                                       15
<PAGE>
 
                      SELECTED CONSOLIDATED FINANCIAL DATA
 
   The following selected consolidated financial data should be read in
conjunction with the consolidated financial statements and notes thereto and
Management's Discussion and Analysis of Financial Condition and Results of
Operations included elsewhere in this prospectus. The consolidated statements
of operations data for the years ended June 30, 1996, June 29, 1997, and June
28, 1998 presented below are derived from, and are qualified in their entirety
by reference to, our consolidated financial statements, which have been audited
by KPMG LLP, independent certified public accountants, and together with their
report thereon are included elsewhere in this prospectus. The consolidated
statements of operations data for the six months ended December 28, 1997 and
December 27, 1998 and the consolidated balance sheet data at December 27, 1998
are derived from our unaudited consolidated financial statements that are
included elsewhere in this prospectus and include, in the opinion of
management, all adjustments, consisting only of normal recurring adjustments,
necessary for a fair presentation of the information set forth therein. The
results of operations for the six months ended December 27, 1998 are not
necessarily indicative of results expected for the full fiscal year 1999 or
future results.
<TABLE>
<CAPTION>
                                      Year Ended                     Six Months Ended
                          -------------------------------------  --------------------------
                           June 30,     June 29,     June 28,    December 28,  December 27,
                             1996         1997         1998          1997          1998
                          -----------  -----------  -----------  ------------  ------------
                                      (in thousands, except per share data)
<S>                       <C>          <C>          <C>          <C>           <C>
Consolidated statements
 of operations data:
Net revenues:
 Fibre channel..........  $     1,138  $    11,521  $    18,944  $    10,071   $    13,310
 Traditional networking
  and other.............       50,200       53,242       40,541       20,429        16,487
                          -----------  -----------  -----------  -----------   -----------
  Total net revenues....       51,338       64,763       59,485       30,500        29,797
Cost of sales(1)........       34,848       40,205       36,812       17,543        17,946
                          -----------  -----------  -----------  -----------   -----------
Gross profit............       16,490       24,558       22,673       12,957        11,851
                          -----------  -----------  -----------  -----------   -----------
Operating expenses:
 Engineering and
  development...........       11,387       10,006       11,071        5,196         5,256
 Selling and
  marketing(1)..........       11,071        7,637        7,589        3,910         3,439
 General and
  administrative........        4,940        4,643        4,406        2,217         1,931
 Consolidation charges,
  net...................           --        1,280       10,646           --           317
                          -----------  -----------  -----------  -----------   -----------
  Total operating
   expenses.............       27,398       23,566       33,712       11,323        10,943
                          -----------  -----------  -----------  -----------   -----------
Operating income
 (loss).................      (10,908)         992      (11,039)       1,634           908
Nonoperating income.....          483           71          113           65            50
                          -----------  -----------  -----------  -----------   -----------
Income (loss) before
 income taxes...........      (10,425)       1,063      (10,926)       1,699           958
Income tax provision
 (benefit)..............       (1,137)        (506)         (88)         (18)           96
                          -----------  -----------  -----------  -----------   -----------
Net income (loss).......  $    (9,288) $     1,569  $   (10,838) $     1,717   $       862
                          ===========  ===========  ===========  ===========   ===========
Earnings (loss) per
 share:
 Basic..................  $    (1.56)  $      0.26  $    (1.77)  $      0.28   $      0.14
                          -----------  -----------  -----------  -----------   -----------
 Diluted................  $    (1.56)  $      0.25  $    (1.77)  $      0.27   $      0.13
                          -----------  -----------  -----------  -----------   -----------
Number of shares used in
 per share computations:
 Basic .................        5,936        6,044        6,121        6,110         6,142
                          -----------  -----------  -----------  -----------   -----------
 Diluted................        5,936        6,294        6,121        6,321         6,618
                          -----------  -----------  -----------  -----------   -----------
<CAPTION>
                                                                     December 27, 1998
                                                                 --------------------------
                           June 30,     June 29,     June 28,                       As
                             1996         1997         1998         Actual     Adjusted(2)
                          -----------  -----------  -----------  ------------  ------------
                                                 (in thousands)
<S>                       <C>          <C>          <C>          <C>           <C>
Consolidated balance
 sheet data:
Total current assets....  $    31,579  $    29,328  $    24,384  $    26,513     $  86,311
Total current
liabilities.............       15,494       10,859       14,399       13,244        13,244
                          -----------  -----------  -----------  -----------   -----------
Working capital.........       16,085       18,469        9,985       13,269        73,067
Total assets............       39,300       37,175       30,157       30,060        89,858
Long-term capitalized
lease obligations.......          204           79            7           --            --
Retained earnings.......       14,204       15,773        4,935        5,797         5,797
Total stockholders'
equity..................       22,030       24,276       13,606       14,602        74,400

</TABLE>
- --------
(1) Fiscal 1996, 1997 and 1998 amounts have been reclassified to conform to our
    fiscal 1999 presentation.
(2) Adjusted to reflect the sale of 2,000,000 shares of common stock by us at
    an assumed public offering price of $32 1/16 per share and after deducting
    the underwriting discounts and estimated offering expenses.
 
                                       16
<PAGE>
 
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
   The following Management's Discussion and Analysis of Financial Condition
and Results of Operations contains forward-looking statements that involve
risks and uncertainties. When used in this prospectus, the words "intend,"
"anticipate," "believe," "estimate," "plan" and "expect" and similar
expressions as they relate to us are included to identify forward-looking
statements. Our actual results could differ materially from those anticipated
in these forward-looking statements as a result of certain factors, including,
but not limited to, those set forth under "Risk Factors" and elsewhere in this
prospectus.
 
Overview
 
   Emulex is a leading designer, developer and supplier of a broad line of
fibre channel host adapters, hubs, ASICs and software products that enhance
access to and storage of electronic data and applications. We believe that we
are the only company that designs, develops and markets both fibre channel host
adapters and hubs, two of the core components of a complete fibre channel
solution. Our products are based on internally-developed ASIC technology, are
deployable across a variety of heterogeneous network configurations and
operating systems, and support increasing volumes of stored data. Over the
course of our history, we have also designed, developed and marketed
traditional networking products such as printer servers and network access
products, including communications servers and WAN adapters.
 
   Our company was founded in 1979 as a supplier of end-user storage solutions
for the Digital Equipment Corporation, or DEC, aftermarket. In June 1992, we
discontinued the DEC storage business and operated as two divisions, one
focusing on traditional networking products and one focusing on SCSI peripheral
controller devices. In 1994, we spun off our SCSI business as a separately
traded public company, QLogic. Since 1995, we have been transitioning our
resources from traditional networking products to the design, sale and
marketing of fibre channel products.
 
   We derive our revenues primarily from the sale of fibre channel products and
traditional networking products to computer and storage systems OEMs. Revenues
from fibre channel products are derived primarily from the sale of fibre
channel host adapter products and, to a lesser extent, fibre channel hub
products. Revenues from traditional networking products are derived primarily
from the sale of printer servers and network access products. As a result of
product maturation, revenues we have derived from traditional networking
products have declined, and we expect that revenues from these traditional
networking products will continue to decline in the future as we continue to
focus more of our resources on the fibre channel market. We primarily sell our
products directly to OEMs and, to a lesser extent, through two-tier
distribution channels. We expect revenues from OEMs to continue to be the
majority of our revenues for the foreseeable future. For a new OEM, the initial
sales and design cycle, from first contact through design win to first customer
shipment, can vary from 12 to 18 months or more. We expect that this cycle will
decrease as fibre channel technology and the fibre channel market develop. Our
OEM concentration may decrease if a two-tier distribution channel for fibre
channel develops.
 
   We recognize revenue at the time product is shipped from our contract
manufacturer to our customers. We sell to our distribution customers under a
standard purchase agreement which provides for price protection, and also
provides for stock rotation based on a percentage of actual revenues for the
preceding quarter when requested with an offsetting order shippable in the next
90 days. We reserve for estimated stock rotation and price protection rights,
as well as for uncollectable accounts based on experience. We sell to our OEMs
with no right of return except under warranty. We provide a warranty of between
two and five years on all of our products, and we provide a reserve for
warranty costs at the time of shipment based on our actual historic experience
rate. The workmanship of our products is warranted by our contract
manufacturer. Typically the standard components used in our products are
warranted by the manufacturer for both workmanship and function.
 
                                       17
<PAGE>
 
   In the quarter ended December 27, 1998, we completed our transition to
outsource all of our board assembly, distribution and repair operations and
most of our materials management to K*Tec Electronics, headquartered in
Houston, Texas. Our strategy with this transition is to reduce the future
demands on our working capital for capital equipment and to leverage the
efficiencies of our supplier's consolidated purchasing power and materials
management capabilities to reduce average cost of goods sold. We also outsource
the manufacturing of our ASICs and gate arrays to several third-party
manufacturers who ship these components to K*Tec Electronics for assembly.
Although we continue to design all of our products internally, we use
independent third parties to develop some of our software drivers.
 
   While in recent quarters we have been profitable, a risk exists that we
could experience variable earnings levels, including losses. Historically, a
large percentage of our product shipments have occurred late in a quarter.
Shifting of shipments between quarters can have a disproportionate impact on
our results of operations.
 
Results of operations
 
   The following table sets forth, for the periods indicated, consolidated
statements of operations data as a percentage of total net revenues:
 
<TABLE>
<CAPTION>
                             Fiscal Year Ended            Six Months Ended
                         ---------------------------  -------------------------
                         June 30,  June 29, June 28,  December 28, December 27,
                           1996      1997     1998        1997         1998
                         --------  -------- --------  ------------ ------------
<S>                      <C>       <C>      <C>       <C>          <C>
Net revenues:
 Fibre channel..........    2.2%     17.8%    31.8%       33.0%        44.7%
 Traditional networking
  and other.............   97.8      82.2     68.2        67.0         55.3
                          -----     -----    -----       -----        -----
  Total net revenues....  100.0     100.0    100.0       100.0        100.0
Cost of sales(1)........   67.9      62.1     61.9        57.5         60.2
                          -----     -----    -----       -----        -----
Gross profit............   32.1      37.9     38.1        42.5         39.8
                          -----     -----    -----       -----        -----
Operating expenses:
 Engineering and
  development...........   22.2      15.5     18.6        17.0         17.6
 Selling and
  marketing(1)..........   21.5      11.7     12.8        12.8         11.5
 General and
  administrative........    9.6       7.2      7.4         7.3          6.5
 Consolidation charges,
  net...................    --        2.0     17.9         --           1.0
                          -----     -----    -----       -----        -----
  Total operating
   expenses.............   53.3      36.4     56.7        37.1         36.6
                          -----     -----    -----       -----        -----
Operating income
 (loss).................  (21.2)      1.5    (18.6)        5.4          3.0
Nonoperating income.....    0.9       0.1      0.2         0.2          0.2
                          -----     -----    -----       -----        -----
Income (loss) before
 income taxes...........  (20.3)      1.6    (18.4)        5.6          3.2
Income tax provision
 (benefit)..............   (2.2)     (0.8)    (0.2)        --           0.3
                          -----     -----    -----       -----        -----
Net income (loss).......  (18.1)%     2.4%   (18.2)%       5.6%         2.9%
                          =====     =====    =====       =====        =====
</TABLE>
- --------
(1) Fiscal 1996, 1997 and 1998 amounts have been reclassified to conform to our
    fiscal 1999 presentation.
 
Six months ended December 27, 1998 compared to six months ended December 28,
1997
 
   Net revenues. Net revenues for the six months ended December 27, 1998 were
$29.8 million, a decrease of $703,000, or two percent, compared to $30.5
million of net revenues for the six months ended December 28, 1997. Net
revenues from our fibre channel product line for the six months ended December
27, 1998 were $13.3 million, or 45 percent of net revenues, compared to $10.1
million, or 33 percent of net revenues, for the six months ended December 28,
1997. This increase in revenue from our fibre channel product line is primarily
the result of increased market acceptance of our fibre channel products.
 
                                       18
<PAGE>
 
   Net revenues from our traditional networking products accounted for $16.5
million, or 55 percent of net revenues, for the six months ended December 27,
1998, compared to $20.4 million, or 67 percent of net revenues, for the six
months ended December 28, 1997. This decrease in net revenues from our
traditional networking products was principally due to lower average unit
selling prices, ongoing maturation of this product sector and a decrease in our
focus on this line of products.
 
   As the market for our traditional networking products matures and as we
focus more of our resources on the fibre channel market, we expect that fibre
channel product sales will represent a larger percentage of revenues and that
total sales of our traditional networking products will decrease. We anticipate
that future revenues from our fibre channel product line will be a function of
continued demand from OEMs which are currently shipping fibre channel products,
launches of new fibre channel-based systems by our current OEMs, additional
design wins with new OEM customers and increased sales through other
distribution channels as the fibre channel market continues to develop.
Although fibre channel represented 45 percent of net revenues for the six
months ended December 27, 1998, fibre channel is an emerging technology, and we
cannot assure you that our products will adequately meet the requirements of
the market or achieve market acceptance. Additionally, because our fibre
channel products are part of an integrated system, our success in the fibre
channel market will depend in part upon the development and availability of
other interoperable fibre channel products by third parties. Furthermore, our
fibre channel products are dependent upon components supplied by third parties.
We cannot assure you that these components will be available at a competitive
price and in the quantities desired or, if available, will function as needed.
 
   In the six months ended December 27, 1998, sales to IBM accounted for 17
percent of net revenues, and no other customer accounted for more than 10
percent of our net revenues. In the six months ended December 28, 1997, sales
to Sequent accounted for 18 percent of net revenues, and no other customer
accounted for more than 10 percent of our net revenues. Sales to our top five
customers accounted for 46 percent of net revenues in the six months ended
December 27, 1998, as compared to 43 percent in the six months ended December
28, 1997. International revenues accounted for 35 percent of net revenues in
the six months ended December 27, 1998, as compared to 30 percent of net
revenues during the six months ended December 28, 1997.
 
   Gross profit. Cost of products sold includes the cost of production of
finished products, as well as support costs and other expenses related to
inventory management, manufacturing quality and order fulfillment. For the six
months ended December 27, 1998, gross profit was $11.9 million, a decrease of
$1.1 million, or nine percent, compared to $13.0 million for the six months
ended December 28, 1997. Gross margin decreased to 40 percent in the six months
ended December 27, 1998, from 43 percent in the six months ended December 28,
1997. These reductions in gross profit and gross margin were primarily the
result of factors relating to our traditional networking product lines,
including a decrease in our average unit selling prices and a higher percentage
of sales of lower margin products.
 
   During fiscal 1998, and continuing through the six months ended December 27,
1998, we have experienced declining average unit selling prices and
corresponding reductions in the gross margins of our traditional networking
products. We expect this trend to continue. Gross margins in our traditional
networking products are lower than gross margins for our fibre channel
products. Our fibre channel products did not experience significant reductions
in average unit selling prices during fiscal 1998 and through the six months
ended December 27, 1998, but we expect that average unit selling prices for
these products will also decline over time. We have agreed to contracted price
reductions with most of our OEM customers. Typically these reductions are
achieved by reaching certain volume milestones during the life of the contract.
It is likely that we will continue this practice in the future. In addition,
our gross margins of fibre channel products may be impacted if there is a
significant shift in the mix of our products from adapters to hubs or from
high-end adapters to lower-priced adapters. Our strategy is to maintain overall
gross margins where possible, despite expected future erosion in the average
unit selling price, by continuing to reduce the cost of our fibre channel
 
                                       19
<PAGE>
 
products through a combination of volume efficiencies, cost-reduced designs and
diversification of our component-supplier base.
 
   Engineering and development. Engineering and development expenses consist
primarily of salaries and related expenses for personnel engaged in the design,
development and technical support of our products. These expenses include
third-party fees paid to consultants, prototype development expenses and
computer services costs related to supporting computer tools used in the design
process. Engineering and development expenses for the six months ended December
27, 1998 were $5.3 million, an increase of $60,000, or one percent, compared to
$5.2 million for the six months ended December 28, 1997. Because of the
technical nature of our products, engineering support is a critical part of our
strategy during both the development of our products and the support of our
customers from product design through deployment into the market. We expect to
continue to make significant investments in the technical support and
enhancement of our current products as well as the continued development of new
products in the fibre channel market. Engineering and development expenses can
fluctuate from quarter to quarter depending on several factors, including new
product introduction schedules.
 
   Selling and marketing. Selling and marketing expenses consist primarily of
salaries, commissions and related expenses for personnel engaged in the
marketing and sales of our products as well as trade shows, product literature
and promotional support costs. Selling and marketing expenses for the six
months ended December 27, 1998 were $3.4 million, a decrease of $471,000, or 12
percent, compared to $3.9 million for the six months ended December 28, 1997.
This decrease was a result of the streamlining of our products and related
sales and marketing efforts.
 
   General and administrative. General and administrative expenses consist
primarily of salaries and related expenses for executives, financial accounting
support, human resources, administrative services, professional fees and other
associated corporate expenses. General and administrative expenses for the six
months ended December 27, 1998 were $1.9 million, a decrease of $286,000, or 13
percent, compared to $2.2 million for the six months ended December 28, 1997.
This decrease was primarily due to reduced general and administrative staffing.
 
   Consolidation charges. On March 25, 1998, we announced plans to outsource
the manufacturing of our product lines to K*Tec Electronics. Our decision
resulted in, among other things, the closing of our Puerto Rico manufacturing
subsidiary, the streamlining of our product offerings of some of our more
mature, lower volume traditional networking products and the closing of
selected sales offices. During the quarter ended December 27, 1998, we
completed the sale of our former manufacturing facility in Puerto Rico which
resulted in a gain of $777,000. Also, during such quarter we substantially
completed this consolidation plan, including all remaining headcount
reductions, and we recognized additional consolidation expenses of $1.1 million
related to severance and other asset impairment charges.
 
   Nonoperating income. Nonoperating income consists primarily of interest
income, interest expense and foreign exchange translation. Nonoperating income
for the six months ended December 27, 1998 was $50,000, a decrease of $15,000
compared to $65,000 for the six months ended December 28, 1997.
 
   Income taxes. Our income tax expense for the six months ended December 27,
1998 was $96,000, representing a tax provision of 10 percent. In the six months
ended December 28, 1997, we recorded an income tax benefit of $18,000. During
the quarter ended December 27, 1998, we received a favorable response to the
Ruling Request we submitted in July 1998 to the Secretary of the Treasury of
Puerto Rico. The liquidation of our subsidiary Emulex Caribe was structured to
qualify for tax-free liquidation treatment under the provisions of both the
U.S. and Puerto Rico Internal Revenue Codes. The Secretary of the Treasury of
Puerto Rico has agreed that neither Emulex Corporation nor Emulex Caribe will
recognize a gain or loss as a result of the liquidation. We are currently
undergoing an examination by the California Franchise Tax Board of our 1989,
1990 and 1991 California income tax returns. We are also undergoing examination
by the Internal Revenue Service of Emulex Caribe's 1995 U.S. tax return. We
believe that the outcome of these examinations will not have a material effect
on our consolidated financial position or results of operations.
 
                                       20
<PAGE>
 
Years ended June 28, 1998, June 29, 1997 and June 30, 1996
 
   Net revenues. We generated net revenues of $59.5 million, $64.8 million and
$51.3 million for fiscal years 1998, 1997 and 1996, respectively. The eight
percent decrease in net revenues from fiscal 1997 to 1998 was principally the
result of a decrease in net revenues generated from our traditional networking
products which was partially offset by an increase in net revenues from our
fibre channel product line. The 26 percent increase in net revenues from fiscal
1996 to 1997 was primarily due to the rapid growth in our fibre channel net
revenues and an increase in net revenues from our traditional networking
products.
 
   Net revenues from our fibre channel product line were $18.9 million, $11.5
million and $1.1 million in fiscal years 1998, 1997 and 1996, respectively. The
64 percent increase in fibre channel net revenues from fiscal 1997 to 1998 and
the 912 percent increase from fiscal 1996 to 1997 reflect the emerging market
acceptance of fibre channel as well as the initiation and expansion of volume
shipments to our OEM customers.
 
   Net revenues generated from our traditional networking products and other
were $40.5 million, $53.2 million and $50.2 million for fiscal years 1998, 1997
and 1996, respectively. The 24 percent decrease in traditional networking
revenues from fiscal 1997 to 1998 was primarily the result of lower printer
server distribution revenues, which we believe were due to a combination of
lower average selling prices and decreased demand for aftermarket solutions. In
addition, we experienced a decrease in network access product net revenues
which was principally the result of lower shipments to one customer and the
maturation of some of our network products. The six percent increase in net
revenues from our traditional networking products from fiscal 1996 to 1997 was
due to increased sales to OEMs which were partially offset by reductions in
sales of printer servers to non-OEM customers. Traditional networking and other
net revenues in fiscal 1996 included sales of $1.5 million of memory devices
that were no longer utilized in our product lines.
 
   In fiscal 1998, sales to Sequent and IBM accounted for 12 percent and 11
percent, respectively, of our net revenues, and no other customer accounted for
more than 10 percent of our net revenues during such period. In fiscal 1997,
sales to Reuters and Sequent accounted for 13 percent and 10 percent,
respectively, of our net revenues, and no other customer accounted for more
than 10 percent of our net revenues during such period. In fiscal 1996, sales
to IBM accounted for 15 percent of our net revenues, and no other customer
accounted for more than 10 percent of our net revenues during such period.
Sales to our top five customers accounted for 41 percent of net revenues in
fiscal 1998 and 44 percent in fiscal 1997.
 
   International revenues were $20.7 million, $29.3 million and $20.7 million
in fiscal years 1998, 1997 and 1996, respectively. The 29 percent decrease in
international revenues from fiscal 1997 to 1998 was primarily due to decreased
shipments to one customer. The 42 percent increase in international revenues
from fiscal 1996 to 1997 was primarily due to increased OEM revenues from our
traditional networking products. International revenues accounted for 35
percent, 45 percent and 40 percent of net revenues in fiscal years 1998, 1997
and 1996, respectively.
 
   Gross profit. Gross profit was $22.7 million, $24.6 million and $16.5
million in fiscal years 1998, 1997 and 1996, representing 38 percent, 38
percent and 32 percent of net revenues, respectively. The improvement in gross
margin from fiscal 1996 to 1997 was primarily due to a product mix which
contained a greater percentage of higher margin products, lower prices for
components used in our products and higher absorption of manufacturing overhead
which resulted from the higher level of production activity in fiscal 1997
compared to 1996. In conjunction with the planned closure of our Puerto Rico
manufacturing operations and transition to contract manufacturing previously
discussed, during the three months ended March 29, 1998, we recorded $1.9
million of incremental excess and obsolete inventory reserves in cost of sales
(exclusive of the reductions in inventory related to the streamlining of our
product lines included in the consolidation charges in fiscal 1998). Gross
margin, excluding the incremental inventory reserves of $1.9 million, improved
to 41 percent in fiscal 1998. The improvement in gross margin was principally
due to a product mix that contained a greater percentage of higher margin
products.
 
                                       21
<PAGE>
 
   Engineering and development. Engineering and development expenses were $11.1
million, $10.0 million and $11.4 million for fiscal years 1998, 1997 and 1996,
representing 19 percent, 16 percent and 22 percent of net revenues,
respectively. Engineering and development expenditures increased by 11 percent
from fiscal 1997 to 1998, reflecting our increasing investment in fibre channel
development that was partially offset by declining expenditures in our
traditional networking product development. Engineering and development
expenses declined by 12 percent from fiscal 1996 to 1997 as a result of a
consolidation of our operations that was implemented in early fiscal 1997. As
part of the fiscal 1997 consolidation, we reduced our development efforts in a
number of traditional networking product lines outside of our printer server,
WAN adapter and communications server products.
 
   Selling and marketing. Selling and marketing expenses were $7.6 million,
$7.6 million and $11.1 million for fiscal years 1998, 1997 and 1996,
representing 13 percent, 12 percent and 22 percent of net revenues,
respectively. Selling and marketing expenses were comparable from fiscal 1997
to 1998. Selling and marketing expenses declined by 31 percent from fiscal 1996
to 1997 as a result of a consolidation of our operations that was implemented
in early fiscal 1997. As part of this fiscal 1997 consolidation, we reduced our
sales and marketing efforts in a number of traditional networking product lines
outside of our printer server, WAN adapter and communications server products.
 
   General and administrative. General and administrative expenses were $4.4
million, $4.6 million and $4.9 million for fiscal years 1998, 1997 and 1996,
representing seven percent, seven percent and 10 percent of net revenues,
respectively. General and administrative expenses declined by five percent from
fiscal 1997 to 1998 as a result of ongoing streamlining of our general and
administrative activities. General and administrative expenses declined by six
percent from fiscal 1996 to 1997 as a result of a consolidation of our
operations implemented in early fiscal 1997 in which we reduced our general and
administrative staffing.
 
   Consolidation charges. Consolidation charges were $10.6 million and $1.3
million in fiscal 1998 and 1997, respectively. We had no consolidation charges
in fiscal 1996. Fiscal 1998 consolidation charges resulted from our decision to
outsource manufacturing and further streamline our traditional networking
product lines. As of December 27, 1998, this consolidation plan was
substantially complete. The consolidation of our operations implemented in the
first quarter of fiscal 1997 involved the initial streamlining of our
traditional networking product sector, including products such as remote access
servers and network software.
 
   Nonoperating income. Our nonoperating income was $113,000, $71,000 and
$483,000 in fiscal years 1998, 1997 and 1996, respectively. Normal fluctuations
in nonoperating income are primarily due to changes in interest income and
expenses as a result of varying cash balances. Nonoperating income in fiscal
1997 included nonrecurring interest income of $238,000 associated with prior
years' tax returns, and nonoperating income in fiscal 1996 included a
nonrecurring gain of $312,000 as a result of the sale of a building at our
former production facility in Puerto Rico.
 
   Income taxes. We recorded tax benefits of $88,000, $506,000 and $1.1 million
in fiscal years 1998, 1997 and 1996, respectively. Under a tax sharing
agreement with our former subsidiary, QLogic, we recorded tax recoveries of
$188,000, $612,000 and $750,000 in fiscal years 1998, 1997 and 1996,
respectively. The benefit from the fiscal 1998 loss was offset by an increase
to the valuation allowance (see note 3 to the consolidated financial
statements). We had $36.0 million and $4.3 million of net operating loss
carryforwards for federal and state income tax purposes, respectively, as of
June 28, 1998, which are available to offset future federal and state taxable
income through fiscal 2013 and 2003, respectively. Additionally, we had $2.4
million of business credit carryforwards, available through fiscal 2013, and
$1.2 million of alternative minimum tax credit carryforwards, available over an
indefinite period, to further reduce future federal income taxes. We also had
$1.6 million of research and experimentation credit carryforwards as of June
28, 1998 for state purposes available through fiscal 2013. We expect that our
effective tax rate in future periods will be higher than historically reported
at such time as we have utilized our net operating loss and tax credit
carryforwards and/or reduced our deferred tax valuation allowance.
 
                                       22
<PAGE>
 
Quarterly results of operations
 
   The following table sets forth certain unaudited consolidated quarterly
statements of operations data for each of the six quarters in the period ended
December 27, 1998 as well as such data expressed as a percentage of our total
net revenues for the periods indicated. In the opinion of management, this
information has been prepared on the same basis as the audited consolidated
financial statements appearing elsewhere in this prospectus and includes all
adjustments (consisting only of normal recurring adjustments) necessary for a
fair presentation of this information in accordance with generally accepted
accounting principles. Such quarterly results are not necessarily indicative of
future results of operations and should be read in conjunction with our audited
consolidated financial statements and the notes thereto included elsewhere in
this prospectus.
 
<TABLE>
<CAPTION>
                                                Quarter Ended
                         -----------------------------------------------------------------
                         Sept. 28,  Dec. 28,   March 29,   June 28,   Sept. 27,  Dec. 27,
                           1997       1997       1998        1998       1998       1998
                         ---------  ---------  ---------   ---------  ---------  ---------
<S>                      <C>        <C>        <C>         <C>        <C>        <C>
Net revenues:
 Fibre channel.......... $   5,175  $   4,896  $  4,378    $   4,495  $   5,432  $   7,878
 Traditional networking
  and other.............     9,832     10,597    10,641        9,471      8,619      7,868
                         ---------  ---------  --------    ---------  ---------  ---------
  Total net revenues....    15,007     15,493    15,019       13,966     14,051     15,746
Cost of sales(1)........     8,880      8,663    10,848        8,421      8,343      9,603
                         ---------  ---------  --------    ---------  ---------  ---------
Gross profit............     6,127      6,830     4,171        5,545      5,708      6,143
                         ---------  ---------  --------    ---------  ---------  ---------
Operating expenses:
 Engineering and
  development...........     2,393      2,803     2,918        2,957      2,640      2,616
 Selling and marketing
  (1)...................     1,970      1,940     1,858        1,821      1,627      1,812
 General and
  administrative........     1,101      1,116     1,135        1,054        984        947
 Consolidation charges,
  net...................        --         --    10,993         (347)        --        317
                         ---------  ---------  --------    ---------  ---------  ---------
  Total operating
   expenses.............     5,464      5,859    16,904        5,485      5,251      5,692
                         ---------  ---------  --------    ---------  ---------  ---------
Operating income
 (loss).................       663        971   (12,733)          60        457        451
Nonoperating income
 (loss).................        14         51       (11)          59         12         38
                         ---------  ---------  --------    ---------  ---------  ---------
Income (loss) before
 income taxes...........       677      1,022   (12,744)         119        469        489
Income tax provision
 (benefit)..............        68        (86)       11          (81)        47         49
                         ---------  ---------  --------    ---------  ---------  ---------
Net income (loss)....... $     609  $   1,108  $(12,755)   $     200  $     422  $     440
                         =========  =========  ========    =========  =========  =========
<CAPTION>
                                                Quarter Ended
                         -----------------------------------------------------------------
                         Sept. 28,  Dec. 28,   March 29,   June 28,   Sept. 27,  Dec. 27,
                           1997       1997       1998        1998       1998       1998
                         ---------  ---------  ---------   ---------  ---------  ---------
<S>                      <C>        <C>        <C>         <C>        <C>        <C>
Net revenues:
 Fibre channel..........      34.5%      31.6%     29.1%        32.2%      38.7%      50.0%
 Traditional networking
  and other.............      65.5       68.4      70.9         67.8       61.3       50.0
                         ---------  ---------  --------    ---------  ---------  ---------
  Total net revenues....     100.0      100.0     100.0        100.0      100.0      100.0
Cost of sales(1)........      59.2       55.9      72.2         60.3       59.4       61.0
                         ---------  ---------  --------    ---------  ---------  ---------
Gross profit............      40.8       44.1      27.8         39.7       40.6       39.0
                         ---------  ---------  --------    ---------  ---------  ---------
Operating expenses:
 Engineering and
  development...........      16.0       18.1      19.4         21.2       18.8       16.6
 Selling and marketing
  (1)...................      13.1       12.5      12.4         13.1       11.6       11.5
 General and
  administrative........       7.3        7.2       7.6          7.5        7.0        6.0
 Consolidation charges,
  net...................        --         --      73.2         (2.5)        --        2.0
                         ---------  ---------  --------    ---------  ---------  ---------
  Total operating
   expenses.............      36.4       37.8     112.6         39.3       37.4       36.1
                         ---------  ---------  --------    ---------  ---------  ---------
Operating income
 (loss).................       4.4        6.3     (84.8)         0.4        3.2        2.9
Nonoperating income
 (loss) ................       0.1        0.3      (0.1)         0.4        0.1        0.2
                         ---------  ---------  --------    ---------  ---------  ---------
Income (loss) before
 income taxes...........       4.5        6.6     (84.9)         0.8        3.3        3.1
Income tax provision
 (benefit)..............       0.4       (0.6)       --         (0.6)       0.3        0.3
                         ---------  ---------  --------    ---------  ---------  ---------
Net income (loss).......       4.1%       7.2%    (84.9)%        1.4%       3.0%       2.8%
                         =========  =========  ========    =========  =========  =========
</TABLE>
- --------
(1) Fiscal 1998 quarters have been reclassified to conform to our fiscal 1999
    presentation.
 
                                       23
<PAGE>
 
   Our operating results have in the past and may in the future fluctuate on a
quarterly and annual basis as a result of various factors. These factors
include, among others:
 
  . The size, timing and terms of customer orders;
 
  . The relatively long sales and deployment cycles for our products,
    particularly those sold through our OEM sales channels;
 
  . Changes in our operating expenses;
 
  . Our ability to develop and market new products;
 
  . The ability of our contract manufacturer to produce and distribute our
    products in a timely fashion;
 
  . The market acceptance of our new fibre channel products;
 
  . The timing of the introduction or enhancement of products by us, our OEM
    customers and our competitors;
 
  . The level of product and price competition;
 
  . Our ability to expand our relationships with OEMs and distributors;
 
  . Activities of and acquisitions by our competitors;
 
  . Changes in technology, industry standards or consumer preferences;
 
  . Changes in the mix of products sold, as our fibre channel products
    typically have higher margins than our traditional networking products;
 
  . Changes in the mix of sales channels;
 
  . The level of international sales;
 
  . Seasonality;
 
  . Personnel changes;
 
  . Changes in customer budgeting cycles;
 
  . Foreign currency exchange rates; and
 
  . General economic conditions.
 
   Quarterly fibre channel net revenues fluctuated during fiscal 1998 as a
result of changing order patterns from one major OEM customer. Aside from this
customer, quarterly fibre channel revenues have steadily increased over the
past 10 quarters as a result of new product introductions, a broadening number
of OEM customers that launched fibre channel-based systems solutions and
increased end-user demand for fibre channel solutions. Quarterly net sales of
traditional networking products, which we consider to be mature, declined
more quickly after the manufacturing transition implemented in the quarter
ended March 29, 1998, when we decided to exit several low volume product lines
in this sector which could not be economically transitioned to a contract
manufacturer. Fluctuations in gross margin, aside from the $1.9 million of
incremental excess and obsolete inventory costs incurred in the quarter ended
March 29, 1998, have primarily resulted from declining average selling prices
in our traditional networking products, which have periodically been offset by
a shift in our revenue mix towards higher margin fibre channel products.
Quarterly operating expenses, which generally increased prior to our
manufacturing transition implemented in the quarter ended March 29, 1998,
subsequently declined as we streamlined our traditional networking operations,
and then increased in absolute dollars again in the quarter ended December 27,
1998 as we increased fibre channel marketing expenditures. The fluctuation in
engineering and development expenditures from one quarter to the next has
resulted from periodic expenses
 
                                       24
<PAGE>
 
associated with the introduction of new generation fibre channel components and
products. Consolidation charges resulting from the decision to outsource our
manufacturing operations were recognized in the quarter ended March 29, 1998.
Amounts recorded as consolidation charges in the quarters ended June 28, 1998
and December 27, 1998 resulted from revisions of certain estimates included in
the original charge which were partially offset by the gain on the sale of our
facility in Puerto Rico.
 
Liquidity and capital resources
 
   We had $4.4 million in cash and cash equivalents as of December 27, 1998.
Our operations provided cash of $342,000 during the six months ended December
27, 1998 compared to $2.1 million during the six months ended December 28,
1997. Included in the $342,000 of cash and cash equivalents provided by
operating activities during the six months ended December 27, 1998 was $2.8
million of cash and cash equivalents used in relation to the consolidation
charges discussed previously. Investing activities, which were limited to the
acquisition and disposition of property, plant and equipment, provided $2.2
million of cash and cash equivalents during the six months ended December 27,
1998 compared to using $960,000 during the six months ended December 28, 1997,
as we received net proceeds of $3.0 million when we completed the sale of our
property, plant and equipment in Puerto Rico. Net financing activities, which
were limited to payments under capital lease obligations and proceeds from the
exercise of employee stock options, provided $98,000 and $70,000 of cash and
cash equivalents during the six months ended December 27, 1998 and December 28,
1997, respectively. As of December 27, 1998, we had a remaining consolidation
accrual of $422,000 primarily for severance and related items which we
anticipate will be paid over the next nine months.
 
   Cash and cash equivalents were $1.8 million, $484,000 and $1.6 million as of
June 28, 1998, June 29, 1997 and June 30, 1996, respectively. Cash provided by
operations was $3.1 million and $532,000 in fiscal 1998 and 1997, respectively.
Cash used in operations was $7.8 million in fiscal 1996. Investing activities,
which were limited to the acquisition and disposition of property, plant and
equipment and the acquisition of intangibles, used $1.9 million, $2.1 million
and $1.2 million in fiscal 1998, 1997 and 1996, respectively. Net financing
activities, which were limited to payments under capital lease obligations and
proceeds from the exercise of employee stock options, provided $47,000,
$416,000 and $397,000 in fiscal 1998, 1997 and 1996, respectively.
 
   In addition to our cash balances, we have a secured line of credit of up to
$10 million with Silicon Valley Bank which is available through September 1999,
unless extended by the parties. We last utilized the line of credit in the
quarter ended September 28, 1997. The line of credit requires us to satisfy
certain financial and other covenants and conditions, including prescribed
levels of tangible net worth, profitability and liquidity. In the event we fail
to comply with any financial or other covenant in our loan agreement, the line
of credit could become unavailable to us. In addition, to the extent that
borrowings have been made under the line of credit, a failure to continue to
satisfy such covenants would constitute an event of default, giving rise to the
various remedies available to a secured lender. As of December 27, 1998, we
were in compliance with all covenants of the line of credit. We believe that
the proceeds of this offering and our existing cash balances, facilities and
equipment leases, anticipated cash flows from operating activities and
available borrowings under our line of credit will be sufficient to support our
working capital needs and capital expenditure requirements for the next twelve
months.
 
New accounting standards
 
   In June 1997, the Financial Accounting Standards Board, or FASB, issued
Statement 131, "Disclosure about Segments of an Enterprise and Related
Information." This statement establishes standards for the way public companies
disclose information about operating segments, products and services,
geographic areas and major customers. The new statement is effective for fiscal
years beginning after December 15, 1997. We believe the impact of adopting this
new standard on the consolidated financial statements will not be material.
 
                                       25
<PAGE>
 
   In June 1998, the FASB issued Statement 133, "Accounting for Derivative
Instruments and Hedging Activities." The new statement established accounting
and reporting standards for derivative instruments and for hedging activities
and is effective for all fiscal quarters of fiscal years beginning after June
15, 1999. We do not expect the adoption of Statement 133 to have a material
impact on our results of operations.
 
Year 2000
 
   We have considered the impact of Year 2000 issues on our products, computer
systems and applications. We believe that all of our current products are Year
2000 compliant; however, some products previously sold by us may not be Year
2000 compliant. We believe we are prepared to update these older products as
required under warranty for all Year 2000 issues that we have been able to
identify. Furthermore, we believe the related financial exposure for any
required updates to these older products is not material. Additionally, we have
reviewed and tested our internal computer systems and applications. We believe
we have identified all of the related Year 2000 compliance issues in this area.
The majority of these issues have already been corrected. We anticipate the
remaining remediation related to our computer systems and applications will be
completed by the end of June 1999. These reviews, tests and corrections have
not resulted in substantial expenditures to date. Furthermore, we do not
anticipate any material expenditures in the future related to these issues. We
are in the process of completing a survey of our suppliers, contract
manufacturer and financial institutions to evaluate their Year 2000 compliance
plans and state of readiness and to determine whether any Year 2000 issues will
impede the ability of such suppliers to continue to provide goods and services
to us. We are currently conducting a survey of our customers. As we have not
yet completed our full Year 2000 assessment, we have not developed a
contingency plan. We anticipate that our full Year 2000 review, necessary
remediation actions and contingency plan will be substantially complete by the
end of June 1999. We believe that the most likely worst-case scenarios related
to the Year 2000 issue that we may experience would be either an inability to
obtain inventory components from suppliers or delays in receiving orders or
payments from customers due to Year 2000 problems experienced by these third
parties. These events, if experienced, could have a material adverse effect on
our business, results of operations and financial condition.
 
                                       26
<PAGE>
 
                                    BUSINESS
 
Introduction
 
   Emulex is a leading designer, developer and supplier of a broad line of
fibre channel host adapters, hubs, ASICs and software products that enhance
access to and storage of electronic data and applications. Our products are
based on internally developed ASIC technology, are deployable across a variety
of heterogeneous network configurations and operating systems, and support
increasing volumes of stored data. We believe that we are the only company that
designs, develops and markets both fibre channel host adapters and hubs, two of
the core components of a complete fibre channel solution. We believe our
products offer our customers the unique combination of critical reliability,
scalability, high performance and customization for mission-critical servers
and storage systems. Our fibre channel development efforts began in 1992, we
shipped our first fibre channel product in volume in 1996 and we believe today
we are the leading manufacturer of PCI fibre channel host adapters. Over the
course of our history, we have also designed, developed and marketed
traditional networking products such as printer servers and network access
products, including communications servers and WAN adapters. As an early
entrant into the fibre channel market, we have leveraged our expertise to
achieve over 90 design wins and secure significant customer relationships with
over 20 key OEMs, including Compaq, Data General, EMC, Hitachi, IBM, Sequent
and Siemens.
 
Industry background
 
   In recent years, the volume of stored electronic data in enterprises has
expanded significantly, due largely to the growth of data intensive
applications such as online transaction processing, data mining, data
warehousing, multimedia and Internet applications. As a result, both the
capacity and number of storage devices in the enterprise have increased.
Furthermore, with the increased use of and reliance on mission-critical
applications such as e-commerce and distributed enterprise software
applications, the real-time availability of electronic data has become more
important to the daily operations of enterprises. As a result, enterprises face
heightened requirements for data storage solutions that enable improved access
to and management of shared data, including solutions that offer increased
connectivity capabilities, higher performance and greater reliability.
 
   Enterprises currently access, share and manage the rapidly expanding volume
of data utilizing two major data communications technologies: LAN and I/O. LAN
technologies enable communications among servers and client computers, while
I/O technologies enable communications between host computers and their
attached high-speed peripherals. The emergence of LAN architectures in the mid-
1980s brought multiple benefits to client-server data communications, including
faster transmission speeds, shared access to multiple servers and greater
connectivity capabilities in terms of number of connected devices as well as
distance between devices. These benefits, and the applications that leverage
LAN technologies, have driven the rapid adoption of LAN architectures in the
corporate enterprise over the past decade. As a result, the data communications
pathway between servers and client computers has become largely networked with
LAN technologies.
 
   Although LAN architectures have proliferated in client-server applications,
until recently I/O pathways between servers and attached peripherals, notably
storage subsystems, have failed to evolve to networking architectures. Instead,
traditional I/O architectures are server-centric, utilizing a point-to-
multipoint architecture which requires that each storage subsystem in the
corporate enterprise be attached to a single server through which all requested
data must pass. With this traditional server-centric storage architecture,
dedicated storage is attached to each server using I/O technologies such as
SCSI. Remote storage systems are accessed through networked attached file
servers. This model results in "islands of storage" behind each server, where
data requests must traverse the LAN and pass through the file server associated
with the specific storage device. This circuitous method of accessing data
degrades network performance, increases latency, or delays, for network users,
drains server processing power and is difficult to
 
                                       27
<PAGE>
 
scale. With the dramatic increase in information storage and retrieval
requirements, system performance has become increasingly constrained by server-
centric architectures and the inability of legacy I/O technology to overcome
communications bottlenecks.
 
  The emergence of fibre channel
 
   Fibre channel, an American National Standards Institute, or ANSI, standard
communications technology, was introduced in 1994 to address traditional I/O
limitations and has been widely endorsed by the majority of the leading server
and storage systems manufacturers. Fibre channel offers the connectivity,
distance and access benefits of networking architectures combined with the high
performance and low latency needed for I/O applications. According to emf
Associates, the market for fibre channel hubs and adapters is expected to
expand from approximately $384 million in 1998 to $3.4 billion in 2003. When
compared to traditional I/O technologies, such as SCSI, fibre channel benefits
can be summarized as follows:
 
<TABLE>
<CAPTION>
 Attribute                           Fibre Channel                         SCSI*
- -------------------------------------------------------------------------------------------
<S>                                  <C>                                   <C>
 Maximum bandwidth                   200 megabytes/sec                     80 megabytes/sec
- -------------------------------------------------------------------------------------------
 Topologies                          Point-to-point, loop and switched     Point-to-
                                     fabric                                multipoint
- -------------------------------------------------------------------------------------------
 Maximum number of                   126 per loop                           15
 connections                         16 million per switched fabric
- -------------------------------------------------------------------------------------------
 Connection distance                 10 kilometers                          12 meters
- -------------------------------------------------------------------------------------------
 Data transmission                   Full-duplex or half-duplex             Half-duplex
- -------------------------------------------------------------------------------------------
 Functionality                       Networking and I/O                     I/O
- -------------------------------------------------------------------------------------------
 Protocol support                    SCSI, Internet Protocol, others        SCSI
</TABLE>
 
* As specified in the Ultra2SCSI specification, the highest performance SCSI
  implementation for which both host computer and peripheral storage solutions
  are commercially available.
 
   Fibre channel has additional features that are designed to address the
emerging high-end connectivity, performance and reliability requirements of the
corporate enterprise, including the following:
 
  . specifications that encompass multiple classes of service that offer
    different levels of guaranteed service;
 
  . technology that serves as a single interface for both networking and I/O
    applications;
 
  . technology that transports a variety of traditional I/O and LAN
    protocols, including SCSI and Internet Protocol, or IP, over the same
    backbone; and
 
  . the ability to support full-duplex (simultaneous bi-directional)
    communications, effectively doubling the available bandwidth.
 
                                       28
<PAGE>
 
   Fibre channel was designed from the outset to encompass small, medium and
large connectivity and bandwidth requirements. To address these requirements,
fibre channel can be implemented in various topologies:
 
                            Fibre Channel Topologies
 
Point-To-Point             Arbitrated Loop            Switched Fabric

[LOGO OF DIAGRAM           [LOGO OF DIAGRAM           [LOGO OF DIAGRAM
  APPEARS HERE]              APPEARS HERE]              APPEARS HERE]
 
<TABLE> 

<S>                                <C>                                               <C>
 . Single dedicated connection      . Interconnects up to 126 nodes,                  . Greatest interconnection capability
  between two devices                with no switch needed                             (up to 16 million devices) and largest
                                                                                       total bandwidth of all fibre channel
 . Highest bandwidth efficiency     . Bandwidth is shared and                           topologies
                                     latency grows as network grows
 . Most constrained fibre                                                             . Each device is connected point-to-point 
  channel connectivity             . Typically used with hubs to improve               to switch, with non-blocking path to all
                                     connectivity, scalability and reliability         devices on the switch
</TABLE> 

   Enabling of new fibre channel-based architectures

   In addition to offering new levels of performance and flexibility to
traditional I/O applications, fibre channel's advanced capabilities enable new
architectures such as storage area networks, or SANs, and clustering, both of
which rely upon fibre channel's unique ability to connect multiple host
computers to multiple storage subsystems. The SAN-based architecture applies
LAN-type intelligence and management to data storage applications, allowing
data to move efficiently and reliably between multiple storage devices and
servers.
 
   [Diagram depicting server-centric architecture on left and SAN architecture
on right]
 
   In this new SAN model, where the SAN exists as a complementary network to
the LAN, I/O-intensive traffic is offloaded from the LAN, enabling a more fail-
safe I/O channel and eliminating the bottlenecks that degrade performance.
Furthermore, like nodes on a LAN, attached storage peripherals in a SAN can be
managed and diagnosed to detect errors, and traffic can be rerouted accordingly
in the event of a failure. A SAN essentially transforms dedicated servers and
storage devices into network resources, greatly improving the performance and
scalability of enterprise storage. By providing shared server access, the cost
of expensive enterprise storage can be amortized across entire organizations.
SANs are increasingly being deployed to support a wide range of traditional
enterprise computing applications. In addition, SANs are being deployed as
solutions in certain niche applications, such as disaster recovery and remote
data back-up.
 
   Clustering is also expanding as a connectivity implementation, building on
the benefits of fibre channel technology. A cluster consists of multiple
interconnected servers that work together as a single entity to cooperatively
provide applications, systems resources and data. Clustering enables load
distribution between servers and enhances availability and reliability by
providing multiple I/O paths between servers and storage subsystems. Unlike LAN
technologies, a fibre channel clustering architecture offers a single interface
to interconnect both processors and storage devices with reduced latency which
is important to maximizing performance in clustering applications.

                                       29
<PAGE>
 
  Fibre channel customer requirements
 
   The majority of fibre channel solutions installed today are delivered to end
users via integrated systems solutions offered by computer and storage systems
OEMs. As fibre channel gains market acceptance and competition intensifies,
OEMs are increasingly demanding fibre channel products that are optimized to
meet a variety of requirements, including reliability, scalability, performance
and customization.
 
  . Demand for Reliability. With the increase in mission-critical electronic
    data, high reliability and availability of data is critical. OEMs seek
    rigorously tested fibre channel solutions that have a proven track record
    of successful field implementations. In order to achieve higher
    reliability as networks expand, fibre channel solutions must also
    incorporate network management capabilities that efficiently monitor
    system reliability.
 
  . Demand for Scalability. A single solution that supports the widest array
    of fibre channel features and functionality provides OEMs with less
    complex development, integration and installation burdens. Furthermore,
    fibre channel solutions that are flexible enough to seamlessly scale to
    solve future higher-end requirements as well as current needs provide a
    more cost-effective solution for end users.
 
  . Demand for Performance. OEMs and end users also require fibre channel
    solutions that offer the maximum available performance characteristics.
    However, individual fibre channel solutions often vary significantly in
    performance depending upon the particular implementation of the
    specification. Parameters such as I/O transfers per second and megabytes
    per second, or MB/sec, of throughput have become standard measurements of
    performance for fibre channel products.
 
  . Demand for Customization. Computer and storage systems OEMs require the
    ability to customize fibre channel products in order to offer
    differentiated system solutions. Customization enables an OEM to optimize
    its system solution and achieve significant performance enhancements over
    generic solutions. Because the customization process can require a year
    or more of OEM development, OEMs increasingly prefer fibre channel
    products that permit the OEM to transparently migrate customized software
    to successive generations of fibre channel products.
 
   Computer and storage systems OEMs have qualified and selected fibre channel
products based on the products' ability to satisfy end-user requirements above
and beyond basic conformity with the fibre channel standard.
 
Our fibre channel solution
 
   We are a leading designer, developer and supplier of a broad line of fibre
channel host adapters, hubs, ASICs and software products that enhance access to
and storage of electronic data and applications. We believe that we are the
only company that designs, develops and markets both host adapters and hubs,
two of the core components of a complete fibre channel solution.
 
 
 [Diagram depicting major SAN network devices with Emulex products superimposed
                            inside relevant devices]
 
   Key benefits of our products include the following:
 
                                       30
<PAGE>
 
   Critical reliability. Since we began fibre channel development work in 1992,
we have designed our fibre channel products with features that enhance system
reliability in mission-critical applications. Through the design, qualification
and production shipments that have taken place in this time frame, our hardware
and software solutions have proven to be commercially robust. Through years of
field deployment, we have formed strong relationships with key OEM customers
and have integrated customer feedback to improve both the performance and
reliability of our fibre channel products. Furthermore, our digital fibre
channel hub offers unique re-timing functionality that is specifically designed
to improve the reliability and manageability of arbitrated loop networks.
 
   Scalability. We believe our products provide the most complete
implementation of the fibre channel standard in the industry that is scalable
to support additional devices and architectures as well as allow migration to
future generations of fibre channel products. Our fibre channel adapters work
with all fibre channel topologies (point-to-point, arbitrated loop and switched
fabric) and support multiple classes of service to enable customers to choose
different topologies and maximize different priorities such as cost, latency or
bandwidth. Our products also support concurrent transmission of multiple
protocols, including SCSI and IP, and a broad range of operating systems
including UNIX, NT and NetWare. Our products support the widest array of
cabling options, including copper and longwave optical fibre, which enables the
maximum connection distance available with fibre channel technologies today.
This connectivity feature is important for high availability configurations
where a mirrored or remote backup site can provide an alternative if the
primary site fails. As a result of this flexible set of features, one device
can be scaled to connect heterogeneous systems, and existing systems can be
leveraged as new technologies are added.
 
   High performance. Leveraging our expertise and experience in networking and
I/O technology, we have approached the storage problem with a networking
perspective to maximize the performance of our fibre channel solutions. We
believe our products offer the highest performance results in the industry,
sustaining speeds in excess of 150 MB/sec and 31,000 I/O transactions per
second from a single host bus adapter. Furthermore, our products support high-
performance connectivity features such as 64-bit PCI interfaces and full-duplex
data transfers which effectively double the available bandwidth of a fibre
channel network.
 
   Customization. Our fibre channel adapters include our proprietary Service
Level Interface, or SLI, which provides a common software interface from one
generation of our adapters to the next, preserving OEM investments in fibre
channel solutions. The SLI enables each OEM to write customized software and
drivers to enhance system performance and provide differentiated functionality
to end-user customers.
 
Our strategy
 
   Our objective is to be a leading supplier of high-availability, high-
performance fibre channel solutions. We believe that we have established a
leadership position in the fibre channel host adapter market, and we intend to
leverage this position to address additional opportunities in the fibre channel
market. Key elements of our strategy include the following:
 
   Focus on the fibre channel market. We plan to expand our fibre channel
market presence by focusing most of our resources on developing, marketing and
supplying superior fibre channel solutions. We have
 
                                       31
<PAGE>
 
historically been a developer of printer server and network access products.
More recently, we have concentrated on the fibre channel market, and we have
become the leading independent supplier of PCI fibre channel host adapters.
Leveraging more than seven years of experience developing fibre channel
technology and products, we have been one of the pioneers in the development of
standards for fibre channel and created the most extensive implementation of
fibre channel standards. In addition, our OEMs have established a large end-
user installed base.
 
   Extend technology leadership to provide superior fibre channel solutions. We
intend to leverage our technology leadership in the high-end enterprise fibre
channel market to continue to offer the highest performance fibre channel
solutions. We were one of the first companies to focus on fibre channel, and we
intend to leverage our knowledge base, customer relationships and years of
experience to continue to anticipate industry trends, gain early access to next
generation technology and accelerate product development and market acceptance
of new fibre channel products.
 
   Address evolving fibre channel market. We intend to extend our technology
leadership to provide cost-effective, reliable solutions for the broader fibre
channel market. Given the current early stage of development of the fibre
channel market, our fibre channel strategy has historically been focused on
meeting the requirements of high-end enterprise applications for computer and
storage systems OEMs. Given the limitations of existing technologies such as
SCSI, we believe lower performance applications presently served by traditional
technologies will migrate to fibre channel technology over time. Leveraging our
ASIC and software expertise in fibre channel development as well as our seven
years of development history, we plan to offer reliable, high performance fibre
channel solutions for a widening fibre channel market.
 
   Expand strategic alliances. We intend to further develop our strategic
alliances. We have established strategic relationships with several companies
in the fibre channel industry, including Brocade, EMC, Legato and McDATA, to
enhance multi-vendor interoperability. We believe these strategic
relationships, as well as relationships we plan to build in the future, will
facilitate the integration of our products with our partners' technologies,
thereby accelerating time-to-market and penetration of our products. We intend
to continue working closely with vendors of other systems components to ensure
that the end user can purchase an integrated system.
 
   Strengthen relationships with leading OEMs. We intend to sell more broadly
within existing OEMs as well as develop new OEM relationships. We believe we
facilitate and speed an OEM's deployment of fibre channel solutions because we
enable product differentiation with customized features, offer superior
engineering and customer support and design our own ASICs. At the market's
early stage of development, the majority of fibre channel deployments are
taking place through OEM suppliers of computer and storage systems, and we
believe the OEM sector will remain an important driver to the growth and
stability of the fibre channel market. We plan to dedicate the resources
necessary to develop new, and strengthen existing, relationships with leading
OEMs of server and storage equipment.
 
   Expand distribution channels. As the market for fibre channel products
emerges, we intend to augment our OEM channel with other distribution channels,
including value-added resellers, or VARs. As the fibre channel market continues
to expand, and VARs begin to deploy fibre channel-based systems, we believe
that alternative distribution channels for fibre channel products are likely to
develop. At that time, we intend to further develop our systems integrator and
distributor relationships, leveraging our historical printer server and network
access experience in these distribution channels. Our plan is to supply VARs,
as well as smaller OEM customers, through select technical distributors, and
eventually, through two-tier distribution channels as fibre channel becomes a
more widely deployed and standardized solution. We also plan to expand our base
of international VARs and OEMs, particularly in Europe and Japan.
 
Our products
 
   We are a leading supplier of high-performance fibre channel products, as
well as a supplier of traditional networking products that include printer
servers and network access products.
 
                                       32
<PAGE>
 
  Fibre channel products
 
   Our LightPulse host adapters and hubs constitute key components for
comprehensive fibre channel SANs that typically include host adapters, hubs,
ASICs, firmware, software and switches. We believe that our ability to offer a
combination of hubs and host adapters provides a compatible single-vendor
solution and eases customers' interoperability concerns. We time our fibre
channel introductions to address the growing demands of enterprise customers as
well as the evolving speed and capacity capabilities of complementary products.
As the adoption of fibre channel has expanded, the rate of our product
introductions has accelerated.
 
   Adapters. Fibre channel host adapters connect host computers to a fibre
channel network. Our fibre channel host adapter line, which has evolved from
the LP6000 to the LP8000 in the high end, also encompasses lower-priced
adapters such as the LP3000 and LP850. Our high-end host adapters target
enterprise systems, while our lower-priced entry and open systems host adapters
offer highly featured solutions for standard operating environments. All of our
adapter products share the same core ASIC architecture, software and firmware.
 
                               Our Host Adapters
 
 
<TABLE>
<CAPTION>

                                                            Maximum
                                          Full-            Distance  Throughput  I/Os
      Host    Production        Fabric   Duplex    Multi-   Without    (half-    per
    Adapter     Launch    PCI   Support Transfers Protocol Repeaters   duplex)  Second
<S>           <C>        <C>    <C>     <C>       <C>      <C>       <C>        <C>
High-End
    LP8000       1/99    64-bit   Yes      Yes      Yes      10 km    98MB/sec  31,000
- --------------------------------------------------------------------------------------
    LP7000E      6/98    32-bit   Yes      Yes      Yes      10 km    90MB/sec  25,000
- --------------------------------------------------------------------------------------
    LP7000       3/98    32-bit   Yes      Yes      Yes      10 km    70MB/sec  22,000
- --------------------------------------------------------------------------------------
    LP6000       6/96    32-bit   Yes      Yes      Yes      500 m    50MB/sec   9,000
- --------------------------------------------------------------------------------------
Entry/Open Systems
    LP850
    (Open
    Systems)     2/99    64-bit   Yes      Yes      Yes      500 m    98MB/sec  31,000
- --------------------------------------------------------------------------------------
    LP3000
    (Entry
    Systems)     3/98    32-bit   No       Yes       No      500 m    90MB/sec  22,000
</TABLE>

   Our high-end adapters have always been designed to support a broad
implementation of the fibre channel specification, encompassing multiple
classes of service and all topologies, including full fabric support. In
addition, our enterprise applications strategy has led us to offer a variety of
other features in our high-end adapters, including simultaneous transmission of
multiple protocols, full-duplex capability and data integrity features. Our
high-end host adapters also provide the widest range of physical interface
options available, including copper, short-wave optical and long-wave optical,
to enable connectivity distances up to 10 kilometers. A broad range of
operating systems, including Windows NT, UNIX and NetWare, are supported as
well. Our SLI enables our OEM customers to develop highly differentiated
products, while maintaining complete software compatibility across product
generations, allowing customers to leverage software investments.
 
   To support I/O applications presently served by traditional techniques such
as SCSI, our product line also includes adapters that support only arbitrated
loop environments as well as adapters designed to address a standard open
systems environment based on Windows NT or NetWare. These entry level/open
systems host adapters include the LP3000 and our most recently introduced
adapter, the LP850. Based on the same hardware architecture as our high-end
adapters, the LP850 provides the same throughput and I/Os per second and many
of the same features as the LP8000 but is a cost-optimized, standard product
for the open server market. We offer the LP850 with fully certified drivers for
Windows NT and Novell, as well as BIOS and configuration utilities. The LP3000
PCI host bus adapter, directly targeted at today's SCSI market, provides
arbitrated loop connectivity for storage applications at SCSI prices for
Windows NT and NetWare environments.
 
                                       33
<PAGE>
 
   Hubs. Hubs provide centralized wiring connection, improved network
reliability and a monitoring point in fibre channel arbitrated loop
environments. Our hub strategy focuses on leveraging our adapter expertise and
understanding of fibre channel signaling to improve the reliability and
manageability of the loop as a whole. In 1996, we became the first company to
provide fibre channel hubs to the market when we introduced our LightPulse hub
product line. In December 1998, we introduced a new line of innovative digital
fibre channel hubs that complements our earlier line of analog fibre channel
hubs. Our LH5000 digital retiming fibre channel hub provides significant
enhancements in arbitrated loop management. While analog hubs passively amplify
signals, digital hubs capture and regenerate signals, thereby increasing loop
reliability. Our LH5000 hub can collect diagnostic information and provide
fault and performance analysis. Using the LH5000, signal jitter and invalid
transmissions are eliminated, thereby enhancing loop integrity, stability and
scalability.
 
                            Our Arbitrated Loop Hubs
 
<TABLE>
<CAPTION>
          Date of
          Production Target                       Number   Physical
  Hub     Launch     Market      Ports Technology of Loops Interface      Management
- ------------------------------------------------------------------------------------
  <S>     <C>        <C>         <C>   <C>        <C>      <C>            <C>
  LH5000     2/99    High-        10    Digital    1 or 2  Copper/optical     Yes
                     performance
                     SAN
- ------------------------------------------------------------------------------------
  LH1005     3/97    Workgroup     5    Analog     1       Copper            No
- ------------------------------------------------------------------------------------
  LH2000     1/96    Workgroup    10    Analog     1       Copper/optical    No
</TABLE>
 
  Traditional networking products
 
   Our traditional networking products include printer servers and network
access products. We supply both external and embedded printer servers, which
provide LAN connectivity for printers. Our embedded printer servers, which
provide ethernet, fast ethernet and token ring connectivity, have been sold to
over 20 OEM printer suppliers, including Canon, IBM, Minolta, Ricoh and Xerox.
We have been providing network printer servers since 1989, and our printer
server solution supports five network protocols and over 38 operating systems.
The external printer server product line includes the NETJet, NETQue Pocket,
NETQue, NETQue Token Ring and NETQue Pro 2.
 
   Our network access products comprise a variety of product families that
provide connectivity between computing resources across both LANs and WANs.
These networking products contain a set of core technologies that includes
drivers supporting a broad array of operating systems and network interface
technologies that span many LAN and WAN specifications. Our WAN adapter
products provide wide area networking connectivity for PC-based systems. Our
communications servers provide connectivity for terminals and PCs across a LAN.
Our networking software products link PCs on Novell NetWare LANS and DEC
VAX/Alpha systems to provide a seamless integration of the systems in which
resources and information can be shared. As we continue to focus on meeting the
demands of the growing fibre channel market, we expect that we will continue to
reduce product offerings and resources dedicated to these non-fibre channel
businesses.
 
Our fibre channel technology
 
   We believe that we have a fundamental competitive advantage as a result of
our extensive knowledge of the fibre channel standard, I/O and networking
capabilities, our ASIC expertise and multiprotocol skill sets. In addition, the
possession of state-of-the-art design tools, the knowledge of key design
methodologies and the ability to conduct robust data signal analyses of board-
level products are essential competitive differentiators for us. The following
is a summary of our differentiated technology position:
 
   Leadership in setting standards. We have been developing fibre channel
technology since 1992. We are a member of ANSI and were active in defining the
original ANSI fibre channel standards. We played an
 
                                       34
<PAGE>
 
instrumental role in the development of the arbitrated loop standard and
continue to provide major contributions to many of the ANSI fibre channel
standards that have been developed to date.
 
   Combination of I/O and networking capabilities. The basis for our entry into
the fibre channel market was our vision toward serving both the storage and
networking needs of the enterprise customer with a common transport
architecture. Our fibre channel development efforts leverage our background in
end-user storage products for the DEC market, as well as our broad knowledge of
LAN and WAN protocol standards currently implemented in our traditional
networking products. In particular, our expertise with a broad range of LAN
technologies, such as ethernet, simple network management protocol, or SNMP,
and UNIX, provides us with additional leverage in our fibre channel efforts.
 
   ASIC, firmware and software technical expertise. All of our fibre channel
products, including both hubs and host adapters, rely upon our internally-
developed ASICs, as well as firmware and software technologies. Our host
adapter ASIC architecture supports industry standard reduced instruction set
computer, or RISC, processors, on-board direct memory access, or DMA, buffers,
and context cache. Our external RISC-based architecture provides our OEM
customers with several distinct capabilities. First, product performance is
scalable, enabling new generations of products to utilize advances in RISC
central processing unit, or CPU, and memory technologies to further improve
performance. Second, this architecture allows us to implement significant
portions of the fibre channel protocol in firmware, enabling time-to-market
leadership as the standards evolve or new standards are defined. Also, our
firmware implementation enables us to react quickly to customer requests for
new features, allowing a high degree of feature flexibility and product
differentiation. Furthermore, by maintaining control of these technologies, we
can provide our customers with performance leadership, innovative features and
faster time-to-market. The size of our DMA buffers allows our adapters to
sustain high throughput in demanding enterprise environments, including systems
that require guaranteed delivery and those that extend over long distances.
Also, our context cache stores transaction information in hardware, enabling
the adapter to quickly process commands from numerous sources. This capability
significantly reduces latency and command processing time, allowing our host
adapters to maintain a high level of throughput.
 
   Multiple protocol support. We can concurrently support up to four different
protocol standards which enables us to meet the demands of growing enterprise
systems that are comprised of heterogeneous networking environments. These
protocols include: SCSI, IP, fibre connection channel and other customer-
defined interface protocols. The support of multiple protocols is critical as
the enterprise market begins to embrace the SAN model and as enterprises
interconnect across diverse systems.
 
Customers
 
   Our customers include leading computer and storage systems OEMs and
resellers. The following is a list of our top fibre channel customers:

    OEMs                                                 Resellers
    ----                                                 ---------
    Compaq          MTI/Micro Technology                 Avnet
    Data General    Sequent                              Bell Microproducts
    EMC             Siemens                              Ideal Hardware
    Groupe Bull     Tokyo Electron Ltd. (to Hitachi)
    IBM             Transoft
    LSI Logic       Unisys
    McDATA

 
   Our top printer server OEM customers are IBM, Xerox and Ricoh, and our top
network access product OEM customers are Compaq and Reuters. In fiscal year
1998, our top 10 OEM customers (across all products lines) represented 57
percent of our total revenues, while our top 10 distribution channel customers
(across all product lines) represented 24 percent of our total revenues.
 
                                       35
<PAGE>
 
Selling and marketing
 
   We sell our products worldwide to OEMs and end users and through other
distribution channels including VARs, systems integrators, industrial
distributors and resellers. Early development of the fibre channel market has
been dominated by OEMs, and our focus is to use fibre channel sales specialists
to expand opportunities with our existing OEMs, as well as to develop new OEM
relationships. As the fibre channel market continues to develop, we intend to
expand our worldwide distribution channels through technical distributors, such
as VARs and systems integrators. As fibre channel becomes more widely deployed
and standardized in the future, we intend to leverage our two-tier distribution
strategy of industrial distributors and resellers used for our traditional
networking products to complement our core OEM relationships.
 
   Our marketing efforts are focused on increasing awareness of our fibre
channel solutions as well as the benefits of fibre channel technology in
general. Key components of our marketing activities include the following:
 
   . Developing strategic alliances with companies such as Brocade, EMC,
     Legato and McDATA to enhance interoperability of products;
 
   . Being active in industry associations that promote fibre channel and
     provide industry-wide visibility, including the Fibre Channel
     Association, the Fibre Channel Loop Community and the Systems
     Networking Industry Association;
 
   . Using trade shows and industry conferences to display and demonstrate
     products, meet with key customers and position ourselves as an industry
     leader; and
 
   . Providing our distributors with regular newsletters, product
     literature, co-op funding for promotional programs and product
     training.
 
Manufacturing
 
   In 1998, we implemented a strategy to outsource the manufacturing of all of
our products to K*Tec Electronics. Our products consist primarily of electronic
component parts assembled on internally designed printed circuit boards which
are sold as board-level products. Most component parts can be purchased from
two or more sources. However, certain other component parts, which represent a
small percentage of the overall number of parts that we use, can only be
obtained from single sources. In addition, we design our own semiconductors
which are embedded in our traditional networking and fibre channel products,
and these are manufactured by third party semiconductor foundries. In addition
to hardware, we design software to provide functionality to our hardware
products. We also license software from third party providers for use with our
traditional networking products. Most of these providers are the sole source
for this software. An inability or an unwillingness on the part of any of these
suppliers to provide us, or our contract manufacturer, with the quality and
quantity of products, parts or software that we need in a timely fashion could
have a material impact on our ability to supply products in accordance with
customer requirements. Both our software and the third party software are sold
primarily as embedded programs within the hardware products but may be
purchased separately as a software-only update for our products.
 
   The assembly operations required by our products are typical of the
electronics industry, and no unusual methods, procedures or equipment are
required. The sophisticated nature of the products, in most cases, requires
extensive testing by specialized test devices operated by skilled personnel.
This testing is provided by K*Tec Electronics. However, we also maintain an
internal test engineering group for continuing support of test operations. At
December 27, 1998, we had 18 permanent manufacturing employees at our facility
in Costa Mesa.
 
Intellectual Property
 
   Our ability to compete depends in part upon our ability to protect our
proprietary information through various means, including ownership of patents,
copyrights, trademarks and trade secrets as well as through contractual
provisions.
 
                                       36
<PAGE>
 
   We have eight patents issued and 18 patent applications pending in the U.S.
We have a total of 20 patent applications pending abroad, in Europe and Asia.
We also have six patent applications pending under the Patent Cooperation
Treaty, with the intent of filing in individual countries at a later date. All
of our issued patents were granted within the past three years. Six of our
issued U.S. patents and all of our pending U.S. patent applications relate to
our fibre channel technology.
 
   All of our software products are copyrighted with our company's banners and
notices. We have been granted registration of 11 trademarks in the U.S. and
have one additional application awaiting approval. We have also been granted
109 trademark registrations and have eight pending trademark registrations
abroad. Lastly, we rely on trade secret law and contractual provisions to
protect unique intellectual property we possess which we have determined
unnecessary or uneconomical to patent or copyright, or which is not otherwise
capable of more formal protection.
 
Competition
 
   The market for fibre channel technology is intensely competitive and is
characterized by frequent new product introductions, changing customer
preferences and evolving technology and industry standards.
 
   Our competition for fibre channel host adapter products consists primarily
of QLogic and Hewlett-Packard. Our principal competitors in the fibre channel
hub market are Gadzoox and Vixel. We also face the threat of potential
competition from new entrants into the fibre channel market, including large
technology companies who may develop or acquire differentiating technology and
then apply their resources including established distribution channels and
brand recognition to obtain significant market share.
 
   We believe that the principal bases of fibre channel product competition
presently include reliability, scalability, connectivity performance and
customization. We believe that other competitive factors include pricing and
technical support. We believe that we compete favorably with respect to each of
these factors. We also believe that we have a competitive strength in the
alliances we have built with customers, particularly our close relationships
with OEM customers. We believe that our experience with distribution channels
will provide competitive benefits as the fibre channel market matures. Some of
our other competitive advantages include our early entry into fibre channel
technology, our workforce of highly experienced researchers and designers and
our intellectual property.
 
   Our fibre channel products may also compete at the end-user level with other
technology alternatives, such as SCSI, which are available from companies such
as Adaptec, LSI Logic and QLogic as well as a number of smaller companies. In
the future, other technologies may evolve to address the applications served by
fibre channel today.
 
   The printer server and network access industries are also extremely
competitive and price sensitive. Our primary competitors for printer server
products are Hewlett-Packard, Lexmark and Intel. Our network access products
compete with a number of companies, including Compaq and IBM.
 
Employees
 
   At December 27, 1998, we employed 142 employees, as follows: 71 in
engineering and development, 28 in general and administrative, 25 in selling
and marketing and 18 in manufacturing. None of our employees is represented by
a labor union, and we believe our employee relations are good.
 
                                       37
<PAGE>
 
Facilities
 
   Our corporate offices and principal production development facilities are
currently located in an approximately 55,000 square foot leased building in
Costa Mesa, California. The lease expires in October 1999 and contains an
option to renew the lease for a period of 30 months. We also lease seven
domestic and two European sales offices.
 
                                       38
<PAGE>
 
                                   MANAGEMENT
 
Executive Officers and Directors
 
   Set forth below is a list of our current executive officers and directors as
of April 1, 1999.
 
<TABLE>
<CAPTION>
Name                     Age Position
- ----                     --- --------
<S>                      <C> <C>
Paul F. Folino..........  54 President, Chief Executive Officer and Director
Michael J. Rockenbach...  38 Vice President of Finance, Chief Financial Officer and Secretary
Teresa W. Blackledge....  44 Vice President of Marketing
Sadie A. Herrera........  49 Vice President of Human Resources
Ronald P. Quagliara.....  49 Vice President of Research and Development
Kirk D. Roller..........  36 Vice President of Worldwide Sales
Fred B. Cox(1)..........  64 Chairman of the Board of Directors
Michael P. Downey(2)....  51 Director
Robert H. Goon(2).......  58 Director
Don M. Lyle(1)..........  59 Director
</TABLE>
- --------
(1) Member of the Compensation Committee.
 
(2) Member of the Audit Committee.
 
   Paul F. Folino joined us in May 1993 to serve as our President and Chief
Executive Officer and as a director. From January 1991 to May 1993, he was
President and Chief Operating Officer of Thomas-Conrad Corporation, a
manufacturer of local area networking products.
 
   Michael J. Rockenbach has served as our Vice President of Finance and Chief
Financial Officer since December 1996. From 1991 to December 1996, he served in
senior finance and accounting positions with us. From 1987 until joining us, he
held a variety of financial positions at Western Digital Corporation, most
recently as manager of financial planning of the microcomputer products
division.
 
   Teresa W. Blackledge has served as our Vice President of Marketing since
September 1994. She joined us in May 1991 and served as Marketing Manager and
Senior Director prior to being promoted. From July 1982 to April 1991, she held
a variety of marketing, planning and research positions with the Digital
Communications Division of Rockwell International.
 
   Sadie A. Herrera has served as our Vice President of Human Resources since
May 1995. She joined us in 1988 and served as Benefits Administrator and Senior
Director of Human Resources prior to being promoted. Prior to joining us, she
gained over 15 years of human resource management experience with the Remex
Division of Ex-Cell-O/Textron Corporation and other companies.
 
   Ronald P. Quagliara joined us in April 1995 as Vice President of Research
and Development. Prior to joining us, he spent five years with Ascom Timeplex,
a manufacturer of router bridges and other networking equipment, most recently
as Vice President and General Manager of their LAN Interworking Business Unit.
 
   Kirk D. Roller joined us in April 1998 as Vice President of Worldwide Sales.
Prior to joining us, he spent three years with Compaq Computer Corporation's
Network Product Division, most recently as Director and General Manager of
their NIC Business Unit. Prior to that, he spent two years as Director of Sales
and Marketing for our subsidiary, InterConnections, Inc.
 
   Fred B. Cox is one of our founders and has served as a director since our
inception in 1979. Mr. Cox served as our Chief Executive Officer from our
inception until he retired in October 1990. From November 1991 until November
1994, he served as President of Continuus Software Corporation, a developer and
marketer of computer software products, and currently serves as a member of the
board of directors of Continuus Software.
 
                                       39
<PAGE>
 
   Michael P. Downey has served as one of our directors since February 1994.
From 1986 to 1997, he served as the senior financial executive of Nellcor
Puritan Bennett and one of its predecessors, a manufacturer of medical
instruments. From 1984 to 1986, he was Vice President of Finance with Shugart
Corporation, a manufacturer of disk drives. He serves as chairman of the board
of Artisoft, a networking software company, and as a director of Resound
Corporation, a hearing health company.
 
   Robert H. Goon has served as one of our directors since our inception in
1979. He is an attorney who has been engaged in the practice of law for 33
years. For more than the last five years, he has been a partner in the law firm
of Jeffer, Mangels, Butler & Marmaro LLP, our legal counsel.
 
   Don M. Lyle has served as one of our directors since February 1994. Since
1983 he has served as an independent consultant to various computer and venture
capital companies and as a principal of Technology Management Company, a
management consulting firm specializing in high technology companies. He also
serves as a member of the board of directors of Axiohm Transaction Systems, a
print head and specialty printing company, Systech Corporation, a data
communications company, and Datawatch Corporation, an applications software
company.
 
                                       40
<PAGE>
 
                       PRINCIPAL AND SELLING STOCKHOLDERS
 
   The following table sets forth certain information regarding beneficial
ownership of common stock as of April 1, 1999 by:
 
  . Each person who is known by us to own beneficially more than five percent
    of our common stock;
 
  . Each of our directors;
 
  . Each of our executive officers; and
 
  . All directors and executive officers as a group.
 
   The numbers set forth in the following table assume no exercise of the
underwriters' over-allotment option. Beneficial ownership is determined in
accordance with the rules and regulations of the Securities and Exchange
Commission. In computing the number of shares beneficially owned by a person
and the percentage ownership of that person, shares of common stock subject to
options held by that person that are currently exercisable or exercisable
within 60 days of the date of this prospectus are deemed outstanding. These
shares, however, are not deemed outstanding for the purposes of computing the
percentage ownership of any other person. Except as indicated in the footnotes
to this table and pursuant to applicable community property laws, each
stockholder named in the table has sole voting and investment power with
respect to the shares set forth opposite such stockholder's name. Unless
otherwise indicated, the address for each of the following stockholders is c/o
Emulex Corporation, 3535 Harbor Boulevard, Costa Mesa, California 92626.
 
<TABLE>
<CAPTION>
                                                          Number
                           Shares Beneficially Owned        of     Shares Beneficially Owned
                            Before the Offering(1)        Shares     After the Offering(1)
                          -------------------------------  Being  -------------------------------
Name of Beneficial Owner  Number      Percent of Class(2) Offered Number      Percent of Class(2)
- ------------------------  -------     ------------------- ------- -------     -------------------
<S>                       <C>         <C>                 <C>     <C>         <C>
Nonaffiliated five
 percent stockholders:
Driehaus Capital
 Management, Inc.(3)....  419,916             6.8%            --  419,916             5.1%
BankBoston, National
 Association(4).........  323,400             5.3             --  323,400             4.0
Directors and executive
 officers:
Fred B. Cox.............  345,000(5)          5.6         100,000 245,000(5)          3.0
Michael P. Downey.......   27,000(6)           *              --   27,000(6)           *
Paul F. Folino..........  202,448(7)          3.2             --  202,448(7)          2.5
Robert H. Goon..........   20,276(8)           *              --   20,276(8)           *
Don M. Lyle.............   22,500(6)           *              --   22,500(6)           *
Teresa W. Blackledge....    4,500(9)           *              --    4,500(9)           *
Sadie A. Herrera........    2,500(9)           *              --    2,500(9)           *
Ronald P. Quagliara.....      --              --              --       --             --
Michael J. Rockenbach...    6,500(10)          *              --    6,500(10)          *
Kirk D. Roller..........      --              --              --       --             --
All directors and
 executive officers as a
 group (10 persons).....  630,724             9.8         100,000 530,724             6.3
</TABLE>
- --------
  *  Represents less than 1 percent of the outstanding common stock.
 
 (1) The share ownership information contained in this table is based upon
     information supplied by directors and executive officers and, with regard
     to our nonaffiliated five percent stockholders, upon public filings with
     the Securities and Exchange Commission and information provided by the
     Nasdaq Stock Market.
 
 (2) Percentage of beneficial ownership is based on 6,158,969 shares of common
     stock outstanding as of April 1, 1999 and 8,158,969 shares of common stock
     outstanding after this offering.
 
 (3) The address for Driehaus Capital Management, Inc. is 25 East Erie Street,
     Chicago, IL 60611.
 
 (4) The address for BankBoston, National Association is 100 Federal Street,
     Boston, Massachusetts 02110.
 
                                       41
<PAGE>
 
 (5)  Consists of shares held in a family trust, of which Mr. Cox and his wife
      are co-trustees and share voting and investment power, and 20,000 shares
      which are subject to options which are currently exercisable or
      exercisable within 60 days.
 
 (6)  Includes 20,000 shares which are subject to options which are currently
      exercisable or exercisable within 60 days.
 
 (7)  Includes 176,874 shares which are subject to options which are currently
      exercisable or exercisable within 60 days.
 
 (8)  Consists of 276 shares held by Mr. Goon's wife and 20,000 shares which
      are subject to options which are currently exercisable or exercisable
      within 60 days.
 
 (9)  Consists of shares which are purchasable pursuant to stock options which
      are currently exercisable or exercisable within 60 days.
 
(10)  Includes 3,500 shares which are subject to options which are currently
      exercisable or exercisable within 60 days.
 
                                       42
<PAGE>
 
                          DESCRIPTION OF CAPITAL STOCK
 
   Our authorized capital stock consists of 20,000,000 shares of common stock,
$0.20 par value, and 1,000,000 shares of preferred stock, $0.01 par value.
 
Common stock
 
   As of April 1, 1999, there were 6,158,969 shares of common stock outstanding
that were held of record by approximately 323 stockholders. As of that same
date, there were also outstanding options to purchase an aggregate of 1,029,709
shares of common stock at a weighted average exercise price of $9.75 per share.
No shares of preferred stock are outstanding.
 
   Assuming no exercise of the underwriters' over-allotment option and assuming
no exercise of outstanding stock options, there will be 8,158,969 shares of
common stock outstanding after the issuance and sale of common stock in this
offering.
 
   Holders of common stock are entitled to one vote for each share held on all
matters submitted to a vote of stockholders. Subject to the rights of holders
of preferred stock, if any, holders of common stock are entitled to such
dividends as the board of directors may declare out of funds legally available
for the payment of dividends. In the event of our liquidation, dissolution or
winding up, the holders of common stock are entitled to share ratably in all
assets remaining after the payment of liabilities, subject to prior
distribution rights of holders of preferred stock, if any. The common stock has
no preemptive or conversion rights or other subscription rights. There are no
redemption or sinking fund provisions applicable to the common stock.
 
Preferred stock
 
   The board of directors is authorized to issue from time to time shares of
preferred stock in one or more series. The board of directors is also
authorized to fix any voting powers and determine the designations, preferences
and relative, participating, optional or other special rights applicable to the
preferred shares, as well as the qualifications, limitations or restrictions
thereon. The issuance of preferred stock may have the effect of delaying,
deferring or preventing a change of control of Emulex without further action by
our stockholders. The issuance of preferred stock may also adversely affect the
voting, dividend and other rights of the holders of common stock. As further
discussed in the section below, the issuance of preferred stock with voting or
conversion rights may adversely affect the voting power of the holders of
common stock, including the loss of voting control to others.
 
Stockholder rights plan
 
   We have 150,000 shares of Series A junior participating preferred stock
authorized and reserved for issuance in connection with the our stockholder
rights plan set forth in our Rights Agreement, dated January 19, 1989, and
amended January 18, 1999, with ChaseMellon Shareholder Services, L.L.C. as
successor rights agent.
 
   In January 1989, the board of directors adopted the stockholder rights plan
and declared a dividend distribution of one preferred stock purchase right for
each share of common stock to stockholders of record on February 2, 1989. Each
share of common stock issued subsequent to such date, including the shares of
common stock being offered pursuant to this prospectus, includes a
corresponding preferred stock purchase right. Each preferred stock purchase
right entitles the registered holder to purchase from us a unit consisting of
1/100th of a share of the Series A preferred stock at a price of $50.00 per
unit, subject to adjustment. The rights become exercisable if any of the
following occur:
 
                                       43
<PAGE>
 
  . We are the surviving corporation in a merger or other business
    combination with a party that has acquired, or obtained the right to
    acquire, 20 percent or more of our outstanding shares of common stock;
 
  . A party becomes a beneficial owner of 30 percent or more of our
    outstanding shares of common stock;
 
  . A party that has acquired more than 20 percent of our outstanding common
    stock in a business combination engages in one or more self-dealing
    transactions with us; or
 
  . An event occurs which results in the ownership interest of a party that
    has already acquired more than 20 percent of our outstanding common stock
    in a business combination being subsequently increased by more than one
    percent.
 
Upon exercise and payment of the then current purchase price for the right, the
right holder will have the right to receive common stock (or, in certain
circumstances, cash, property or other securities of ours) having a value equal
to two times the purchase price. Upon the occurrence of certain other events,
each right holder shall have the right to receive, upon exercise and payment of
the then current purchase price, common stock of the other party to the
transaction having a value equal to two times the purchase price.
 
   We are entitled to redeem the rights in whole, but not in part, at a price
of $0.01 per right, subject to adjustment, payable in cash or shares of our
common stock, at any time prior to the earlier of the expiration of the rights
in January 2009 or 10 days following the time that a party has acquired
beneficial ownership of 20 percent or more of the shares of common stock then
outstanding. Any of the provisions of the Rights Agreement governing the rights
may be supplemented or amended by us in our sole and absolute discretion prior
to the tenth day following the time that a party has acquired beneficial
ownership of more than 20 percent of our common stock, subject to extension by
the board of directors. Such supplements or amendments by us may be made
without the approval of the rights holders.
 
   The existence of the stockholder rights plan as well as the ability of the
Board to issue preferred stock and the anti-takeover provision of Delaware law
described below may serve to discourage an acquisition of us or stock purchases
in furtherance of an acquisition.
 
Anti-takeover provisions of Delaware General Corporation Law and our
certificate of incorporation
 
   Because we are incorporated under the laws of the state of Delaware, we are
subject to the anti-takeover provisions of Section 203 of the Delaware General
Corporation Law. In general, the statute prohibits a publicly-held Delaware
corporation from engaging in a "business combination" with an "interested
stockholder" for a period of three years after the date of the transaction in
which the person became an interested stockholder, unless the business
combination is approved in a prescribed manner. For purposes of Section 203, a
"business combination" includes a merger, asset sale or other transaction
resulting in a financial benefit to an interested stockholder. For purposes of
Section 203, an "interested stockholder" is a person who, together with
affiliates and associates, owns (or within three years prior, did own) 15
percent or more of the corporation's voting capital stock.
 
   The provisions of our stockholder rights plan, our certificate of
incorporation and Delaware law are intended to encourage potential acquirers to
negotiate with us and to allow the board of directors the opportunity to
consider alternative proposals in the interest of maximizing stockholder value.
Such provisions, however, may also have the effect of discouraging acquisition
proposals or delaying or preventing a change in control, which may have an
adverse effect on our stock price.
 
Transfer agent and registrar
 
   The transfer agent and registrar for the common stock is ChaseMellon
Shareholder Services, L.L.C.
 
 
                                       44
<PAGE>
 
                                  UNDERWRITING
 
   The underwriters named below, acting through their representatives,
BancBoston Robertson Stephens Inc., Dain Rauscher Wessels, a division of Dain
Rauscher Incorporated, Morgan Keegan & Company, Inc. and Needham & Company,
Inc., have severally agreed with us, subject to the terms and conditions set
forth in the underwriting agreement, to purchase from us and the selling
stockholder the number of shares of common stock set forth opposite their names
below. The underwriters are committed to purchase and pay for all such shares
if any are purchased.
 
<TABLE>
<CAPTION>
                                                                        Number
             Underwriter                                               of Shares
             -----------                                               ---------
   <S>                                                                 <C>
   BancBoston Robertson Stephens Inc..................................
   Dain Rauscher Wessels..............................................
   Morgan Keegan & Company, Inc.......................................
   Needham & Company, Inc.............................................
                                                                       ---------
     Total............................................................ 2,100,000
                                                                       =========
</TABLE>
 
   The underwriters' representatives have advised us and the selling
stockholder that the underwriters propose to offer the shares of common stock
to the public at the public offering price set forth on the cover page of this
prospectus and to certain dealers at such price less a concession of not more
than $    per share, of which $    may be reallowed to other dealers. After the
completion of this offering, the public offering price, concession and
reallowance to dealers may be reduced by the underwriters' representatives. No
such reduction shall change the amount of proceeds to be received by us or the
selling stockholder as set forth on the cover page of this prospectus.
 
   Over-Allotment Option. We have granted to the underwriters an option,
exercisable during the 30-day period after the date of this prospectus, to
purchase up to 315,000 additional shares of common stock at the same price per
share as we will receive for the 2,000,000 shares that the underwriters have
agreed to purchase. To the extent that the underwriters exercise such option,
each of the underwriters will have a firm commitment, subject to certain
conditions, to purchase approximately the same percentage of such additional
shares that the number of shares of common stock to be purchased by it shown in
the above table represents as a percentage of the 2,000,000 shares offered
hereby. If purchased, such additional shares will be sold by the underwriters
on the same terms as those on which the 2,000,000 shares are being sold.
 
   Indemnity. We and the selling stockholder have agreed to indemnify the
underwriters against certain civil liabilities, including liabilities under the
Securities Act of 1933 and liabilities arising from breaches of representations
and warranties contained in the underwriting agreement, or to contribute to
payments that the underwriters may be required to make in respect thereof.
 
   Lock-up Agreements. Our directors and executive officers, including the
selling stockholder except with respect to the shares being sold by him in the
offering, have agreed with the underwriters' representatives that, for a period
of 90 days after the date of this prospectus, they will not offer to sell,
contract to sell or otherwise sell, dispose of, loan, pledge or grant any
option to purchase any shares of common stock or any securities convertible
into, or exchangeable for, or any rights to purchase or acquire, shares of
common stock, now owned or hereafter acquired directly by such holders or with
respect to which they have the power of disposition, without the prior written
consent of BancBoston Robertson Stephens Inc., which may, in its sole
discretion and at any time or from time to time, without notice, release all or
any portion of the shares subject to the lock-up agreements.
 
   Future Sales. We have agreed that, for a period of 180 days after the date
of this prospectus, we will not, without the prior written consent of
BancBoston Robertson Stephens Inc., issue, sell, contract to sell or otherwise
dispose of any shares of common stock, any options or warrants to purchase any
shares of common stock or any securities convertible into, exercisable for or
exchangeable for shares of common stock other than
 
                                       45
<PAGE>
 
our sale of shares in this offering, the issuance of common stock upon the
exercise of outstanding options and our grant of options to purchase shares of
common stock under existing stock option or stock purchase plans.
 
   The underwriters do not intend to confirm sales to accounts over which they
exercise discretionary authority.
 
   Stabilization. The underwriters' representatives have advised us that,
pursuant to Regulation M under the Securities Exchange Act of 1934, as amended,
certain persons participating in the offering may engage in transactions,
including stabilizing bids, syndicate covering transactions or the imposition
of penalty bids, which may have the effect of stabilizing or maintaining the
market price of the common stock at a level above that which might otherwise
prevail in the open market. A "stabilizing bid" is a bid for or the purchase of
the common stock on behalf of the underwriters for the purpose of fixing or
maintaining the price of the common stock. A "syndicate covering transaction"
is the bid for or the purchase of the common stock on behalf of the
underwriters to reduce a short position incurred by the underwriters in
connection with this offering. A "penalty bid" is an arrangement permitting the
underwriters' representatives to reclaim the selling concession otherwise
accruing to an underwriter or syndicate member in connection with the offering
if the common stock originally sold by such underwriter or syndicate member is
purchased by underwriters' representatives in a syndicate covering transaction
and has therefore not been effectively placed by such underwriter or syndicate
member. The underwriters' representatives have advised us that such
transactions may be effected on the Nasdaq National Market or otherwise and, if
commenced, may be discontinued at any time.
 
   Passive Market Making. In connection with this offering, certain
underwriters and selling group members (if any) who are qualified market makers
on the Nasdaq National Market may engage in passive market making transactions
in the common stock on the Nasdaq National Market in accordance with Rule 103
of Regulation M, during the business day prior to the pricing of the offering,
before the commencement of offers or sales of the common stock. Passive market
makers must comply with applicable volume and price limitations and must be
identified as such. In general, a passive market maker must display its bid at
a price not in excess of the highest independent bid for such security; if all
independent bids are lowered below the passive market maker's bid, however,
such bid must then be lowered when certain purchase limits are exceeded.
 
                                 LEGAL MATTERS
 
   The validity of the common stock offered by this prospectus will be passed
upon for us by Jeffer, Mangels, Butler & Marmaro LLP, Los Angeles, California.
Robert H. Goon, a director and stockholder of Emulex is a partner of that firm.
Certain legal matters will be passed upon for the underwriters by Cooley
Godward LLP, San Diego, California.
 
                                    EXPERTS
 
   The consolidated financial statements of Emulex Corporation and its
subsidiaries as of June 29, 1997 and June 28, 1998, and for each of the years
in the three-year period ended June 28, 1998 have been included and
incorporated by reference herein and in the registration statement, of which
this prospectus is a part, in reliance upon the report of KPMG LLP, independent
certified public accountants, appearing elsewhere and incorporated by reference
herein, and upon the authority of said firm as experts in accounting and
auditing.
 
                      WHERE YOU CAN FIND MORE INFORMATION
 
   We file annual, quarterly and special reports, proxy statements and other
information with the Securities and Exchange Commission. Our SEC filings are
available to the public over the Internet at the SEC's website at
http://www.sec.gov. You may read and copy any materials that we have filed with
the SEC at the its Public Reference Room at 450 Fifth Street, N.W., Washington,
D.C. 20549. You can also obtain copies of the documents at prescribed rates by
writing to the Public Reference Section of the SEC at 450 Fifth Street, N.W.,
Washington, D.C. 20549. You can obtain information on the operation of the
Public Reference Room by calling the SEC at 1-800-SEC-0330.
 
                                       46
<PAGE>
 
   This prospectus is part of a registration statement on Form S-3 that we
filed with the SEC and omits certain information contained in the registration
statement as permitted by the SEC. Additional information regarding Emulex and
the common stock offered hereby is contained in the registration statement,
including certain exhibits and schedules. You can obtain a copy of the
registration statement from the SEC at the street address or Internet site
listed in the above paragraph.
 
   The SEC allows us to "incorporate by reference" into this prospectus the
information we have filed with them. The information incorporated by reference
is an important part of this prospectus and the information that we file
subsequently with the SEC will automatically update this prospectus. The
information incorporated by reference is considered to be a part of this
prospectus. We incorporate by reference the documents listed below and any
filings we make with the SEC under Sections 13(a), 13(c) 14 or 15(d) of the
Securities Exchange Act of 1934, as amended, after the initial filing of the
registration that contains this prospectus and prior to the time that we sell
all the securities offered by this prospectus:
 
  . Our Annual Report on Form 10-K for the fiscal year ended June 28, 1998;
 
  . Our Definitive Proxy Statement, dated October 19, 1998, for the 1998
    Annual Meeting of Stockholders held on November 19, 1998;
 
  . Our Quarterly Reports on Form 10-Q for the quarters ended September 27,
    1998 and December 27, 1998;
 
  . The description of our common stock contained in our Registration
    Statement on Form 8-A dated March 28, 1983; and
 
  . The description of our preferred stock purchase rights contained in our
    Registration Statement on Form 8-A dated February 2, 1986.
 
   A copy of these filings will be provided to you at no cost if you request
them by writing or telephoning us at the following address:
 
     Paul F. Folino
     President and Chief Executive Officer
     Emulex Corporation
     3535 Harbor Boulevard
     Costa Mesa, California 92626
     (714) 662-5600
 
   You should rely only on the information provided in this prospectus. We have
not authorized anyone to provide you with information that is different. We are
not making an offer of these securities in any jurisdiction where the offer is
not permitted. You should not assume that the information in this prospectus is
accurate as of any date other than the date on the front of the document.
 
                                       47
<PAGE>
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                           Page
                                                                           ----
<S>                                                                        <C>
Independent Auditors' Report.............................................. F-2
Consolidated Balance Sheets as of June 29, 1997 and June 28, 1998, and
 December 27, 1998 (unaudited)............................................ F-3
Consolidated Statements of Operations for the years ended June 30, 1996,
 June 29, 1997 and June 28, 1998 and the six months ended December 28,
 1997 and December 27, 1998 (unaudited)................................... F-4
Consolidated Statements of Stockholders' Equity for the years ended June
 30, 1996, June 29, 1997 and June 28, 1998 and the six months ended
 December 27, 1998 (unaudited)............................................ F-5
Consolidated Statements of Cash Flows for the years ended June 30, 1996,
 June 29, 1997 and June 28, 1998 and the six months ended December 28,
 1997 and December 27, 1998 (unaudited)................................... F-6
Notes to Consolidated Financial Statements................................ F-7
</TABLE>
 
                                      F-1
<PAGE>
 
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors
Emulex Corporation:
 
We have audited the consolidated financial statements of Emulex Corporation and
subsidiaries as listed in the accompanying index. These consolidated financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these consolidated financial
statements based on our audits.
 
We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.
 
In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of Emulex Corporation
and subsidiaries as of June 29, 1997 and June 28, 1998 and the results of their
operations and their cash flows for each of the years in the three-year period
ended June 28, 1998, in conformity with generally accepted accounting
principles.
 
                                          KPMG LLP
 
Orange County, California
August 12, 1998
 
                                      F-2
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
                          Consolidated Balance Sheets
                       (in thousands, except share data)
 
<TABLE>
<CAPTION>
                                                 June 29, June 28, December 27,
                                                   1997     1998       1998
                                                 -------- -------- ------------
                                                                   (unaudited)
<S>                                              <C>      <C>      <C>
Assets (note 4)
  Current assets:
    Cash and cash equivalents................... $    484 $  1,776   $  4,425
    Accounts and notes receivable, less
     allowance for doubtful accounts of $496 at
     June 29, 1997, $576 at June 28, 1998 and
     $552 (unaudited) at December 27, 1998......   14,785   12,141     14,054
    Inventories, net (note 2)...................   12,713    9,906      7,426
    Prepaid expenses............................    1,066      476        523
    Deferred income taxes and income taxes
     receivable (note 3)........................      280       85         85
                                                 -------- --------   --------
      Total current assets......................   29,328   24,384     26,513
  Property, plant and equipment, net (notes 2
   and 8).......................................    6,961    5,112      2,877
  Prepaid expenses and other assets (note 3)....      886      661        670
                                                 -------- --------   --------
                                                 $ 37,175 $ 30,157   $ 30,060
                                                 ======== ========   ========
 
Liabilities and Stockholders' Equity
  Current liabilities:
    Accounts payable............................ $  4,294 $  6,909   $  8,934
    Accrued liabilities (note 2)................    6,090    4,105      3,640
    Accrued consolidation charges...............       30    3,173        422
    Deferred income taxes, income taxes payable
     and other current liabilities (note 3).....      445      212        248
                                                 -------- --------   --------
      Total current liabilities.................   10,859   14,399     13,244
  Deferred income taxes and other liabilities
   (note 3).....................................    2,040    2,152      2,214
                                                 -------- --------   --------
                                                   12,899   16,551     15,458
                                                 -------- --------   --------
Commitments and contingencies (note 8)
Subsequent event (note 11)
Stockholders' equity (note 9):
  Preferred stock, $0.01 par value; 1,000,000
   shares authorized (150,000 shares designated
   as Series A Junior Participating Preferred
   Stock); none issued and outstanding..........       --       --         --
  Common stock, $0.20 par value; 20,000,000
   shares authorized; 6,100,546, 6,133,322 and
   6,155,262 (unaudited) issued and outstanding
   at June 29, 1997, June 28, 1998, and December
   27, 1998, respectively.......................    1,220    1,227      1,231
  Additional paid-in capital....................    7,283    7,444      7,574
  Retained earnings.............................   15,773    4,935      5,797
                                                 -------- --------   --------
Total stockholders' equity......................   24,276   13,606     14,602
                                                 -------- --------   --------
                                                 $ 37,175 $ 30,157   $ 30,060
                                                 ======== ========   ========
</TABLE>
 
See accompanying notes to consolidated financial statements.
 
                                      F-3
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
                     Consolidated Statements of Operations
                     (in thousands, except per share data)
 
<TABLE>
<CAPTION>
                                 Years Ended               Six Months Ended
                          ---------------------------  -------------------------
                          June 30,  June 29, June 28,  December 28, December 27,
                            1996     1997      1998        1997         1998
                          --------  -------  --------  ------------ ------------
                                                              (unaudited)
<S>                       <C>       <C>      <C>       <C>          <C>
Net revenues (note 7)...  $ 51,338  $64,763  $ 59,485    $30,500      $29,797
Cost of sales...........    34,848   40,205    36,812     17,543       17,946
                          --------  -------  --------    -------      -------
Gross profit............    16,490   24,558    22,673     12,957       11,851
                          --------  -------  --------    -------      -------
Operating expenses:
  Engineering and
   development..........    11,387   10,006    11,071      5,196        5,256
  Selling and
   marketing............    11,071    7,637     7,589      3,910        3,439
  General and
   administrative.......     4,940    4,643     4,406      2,217        1,931
  Consolidation charges,
   net..................        --    1,280    10,646         --          317
                          --------  -------  --------    -------      -------
    Total operating
     expenses...........    27,398   23,566    33,712     11,323       10,943
                          --------  -------  --------    -------      -------
Operating income
 (loss).................   (10,908)     992   (11,039)     1,634          908
Nonoperating income
 (note 5)...............       483       71       113         65           50
                          --------  -------  --------    -------      -------
Income (loss) before
 income taxes...........   (10,425)   1,063   (10,926)     1,699          958
Income tax provision
 (benefit) (note 3).....    (1,137)    (506)      (88)       (18)          96
                          --------  -------  --------    -------      -------
Net income (loss).......  $ (9,288) $ 1,569  $(10,838)   $ 1,717      $   862
                          ========  =======  ========    =======      =======
Earnings (loss) per
 share (note 10):
  Basic.................  $  (1.56) $  0.26  $  (1.77)   $  0.28      $  0.14
                          --------  -------  --------    -------      -------
  Diluted...............  $  (1.56) $  0.25  $  (1.77)   $  0.27      $  0.13
                          --------  -------  --------    -------      -------
Number of shares used in
 per share computations
(note 10):
  Basic.................     5,936    6,044     6,121      6,110        6,142
                          --------  -------  --------    -------      -------
  Diluted...............     5,936    6,294     6,121      6,321        6,618
                          --------  -------  --------    -------      -------
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-4
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
                Consolidated Statements of Stockholders' Equity
                       (in thousands, except share data)
 
<TABLE>
<CAPTION>
                              Common Stock   Additional               Total
                            ----------------  Paid-In   Retained  Stockholders'
                             Shares   Amount  Capital   Earnings     Equity
                            --------- ------ ---------- --------  -------------
<S>                         <C>       <C>    <C>        <C>       <C>
Balance at July 2, 1995...  5,860,923 $1,172   $6,014   $ 23,492    $ 30,678
  Exercise of stock
   options (note 9).......    132,480     27      613         --         640
  Net loss................         --     --       --     (9,288)     (9,288)
                            --------- ------   ------   --------    --------
Balance at June 30, 1996..  5,993,403  1,199    6,627     14,204      22,030
  Exercise of stock
   options (note 9).......    107,143     21      656         --         677
  Net income..............         --     --       --      1,569       1,569
                            --------- ------   ------   --------    --------
Balance at June 29, 1997..  6,100,546  1,220    7,283     15,773      24,276
  Exercise of stock
   options (note 9).......     32,776      7      161         --         168
  Net loss................         --     --       --    (10,838)    (10,838)
                            --------- ------   ------   --------    --------
Balance at June 28, 1998..  6,133,322  1,227    7,444      4,935      13,606
  Exercise of stock
   options (unaudited)....     21,940      4      130         --         134
  Net income (unaudited)..         --     --       --        862         862
                            --------- ------   ------   --------    --------
Balance at December 27,
 1998 (unaudited).........  6,155,262 $1,231   $7,574   $  5,797    $ 14,602
                            ========= ======   ======   ========    ========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-5
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
                     Consolidated Statements of Cash Flows
                                 (in thousands)
 
<TABLE>
<CAPTION>
                                  Years Ended                  Six Months Ended
                           ----------------------------  -----------------------------
                           June 30,  June 29,  June 28,  December 28, December 27,
                             1996      1997      1998        1997         1998
                           --------  --------  --------  ------------ ------------
                                                                (unaudited)
<S>                        <C>       <C>       <C>       <C>          <C>
Cash flows from operating
activities:
Net income (loss)........  $(9,288)  $ 1,569   $(10,838)   $ 1,717      $   862
 Adjustments to reconcile
  net income (loss) to
  net cash provided by 
  (used in) operating 
  activities:
   Depreciation and
    amortization.........    2,412     2,616      2,347      1,216          776
   Impairment of
    property, plant and
    equipment............       --        --      1,022         --           --
   Loss (gain) on
    disposal of property,
    plant and equipment..     (125)       55         51         97         (750)
   Provision for doubtful
    accounts.............     125       131        190         60            7
   Changes in assets and
    liabilities:
     Accounts receivable..    (222)   (1,923)     2,454      2,569       (1,920)
     Inventories..........    (410)    1,958      2,807     (2,139)       2,480
     Prepaid expenses.....    (693)      138      1,278       (194)         (47)
     Income taxes
      receivable..........     (38)      108        280        146           --
     Accounts payable.....     328    (4,405)     2,615       (222)       2,025
     Accrued liabilities..     735       278     (1,985)    (1,121)        (465)
     Accrued consolidation
      charges.............    (171)       (4)     3,143        (18)      (2,751)
     Deferred revenue.....      --         6         (6)        (6)          --
     Income taxes
      payable.............      --        --        136         --           65
     Deferred income
      taxes...............    (389)       15       (380)         1           --
     Other assets.........    (103)      (10)         2          4           60
                           -------   -------   --------    -------      -------
     Net cash provided by
      (used in) operating
      activities.........   (7,839)      532      3,116      2,110          342
                           -------   -------   --------    -------      -------
Cash flows from investing
activities:
Net proceeds from sale of
 property, plant and
 equipment...............    1,032        62         21         --        2,994
Additions to property,
 plant and equipment.....   (2,189)   (2,161)    (1,592)      (960)        (785)
Additions to
 intangibles.............       --        --       (300)        --           --
                           -------   -------   --------    -------      -------
  Net cash provided by
   (used in) investing
   activities............   (1,157)   (2,099)    (1,871)      (960)       2,209
                           -------   -------   --------    -------      -------
Cash flows from financing
activities:
Principal payments under
 capital leases..........     (243)     (261)      (121)       (88)         (36)
Proceeds from issuance of
 common stock............      640       677        168        158          134
                           -------   -------   --------    -------      -------
  Net cash provided by
   financing
   activities............      397       416         47         70           98
                           -------   -------   --------    -------      -------
Net cash provided by
 (used in) continuing
 operations..............   (8,599)   (1,151)     1,292      1,220        2,649
Net cash used in
 discontinued
 operations..............      (74)       --         --         --           --
                           -------   -------   --------    -------      -------
Net increase (decrease)
 in cash and cash
 equivalents.............   (8,673)   (1,151)     1,292      1,220        2,649
Cash and cash equivalents
 at beginning of year....   10,308     1,635        484        484        1,776
                           -------   -------   --------    -------      -------
Cash and cash equivalents
 at end of year..........  $ 1,635   $   484   $  1,776    $ 1,704      $ 4,425
                           =======   =======   ========    =======      =======
Supplemental disclosures:
Cash paid during the year
 (related to continuing
 and discontinued 
 operations) for:
  Interest...............  $    33   $   184   $    169    $   140      $    56
  Income taxes...........      141        53         64         24           53
</TABLE>
 
Capital lease obligations of $212 were incurred in the year ended June 30,
1996, when the Company entered into a lease for new equipment. There were no
other new capital lease obligations in the periods presented.
 
         See accompanying notes to consolidated financial statements.
 
                                      F-6
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                   (dollars in thousands, except share data)
 
Note 1 Summary of Significant Accounting Policies
 
    Principles of Consolidation
 
    The consolidated financial statements include the accounts of Emulex
    Corporation, a Delaware corporation, and its wholly-owned subsidiaries
    (collectively, the "Company" or "Emulex"). All significant intercompany
    balances and transactions have been eliminated in consolidation.
 
    Interim Results
 
    The accompanying Consolidated Balance Sheet as of December 27, 1998,
    and the Consolidated Statements of Operations and Consolidated
    Statements of Cash Flows for the six months ended December 28, 1997 and
    December 27, 1998, and the Consolidated Statement of Stockholders'
    Equity for the six months ended December 27, 1998, are unaudited. In
    the opinion of management, these statements have been prepared on the
    same basis as the audited consolidated financial statements and include
    all adjustments, consisting only of normal recurring adjustments,
    necessary for the fair statement of the results of interim periods. The
    results for the six months ended December 27, 1998 are not necessarily
    indicative of the results to be expected for the entire year. The data
    disclosed in the notes to the consolidated financial statements for
    these periods are unaudited.
 
    Fiscal Year
 
    The Company's fiscal year ends on the Sunday nearest June 30. Fiscal
    years 1996, 1997 and 1998 each comprised 52 weeks.
 
    Reclassifications
 
    Certain reclassifications have been made to the consolidated financial
    statements for the periods ended June 30, 1996, June 29, 1997 and June
    28, 1998, and the six months ended December 28, 1997, to conform to the
    presentation for the six months ended December 27, 1998.
 
    Consolidation Charges
 
      Fiscal 1998
 
    On March 25, 1998, the Company announced plans to outsource the
    manufacturing of its product lines to K*TEC Electronics, a division of
    Kent Electronics Corporation. The Company made this strategic decision
    in an attempt to reduce required future capital expenditures and
    production costs, as well as to take advantage of K*TEC Electronics'
    consolidated purchasing power and materials management capabilities.
    This decision resulted in, among other things, the closing of the
    Company's Puerto Rico manufacturing subsidiary, streamlining the
    Company's product offerings of some of its more mature, lower volume
    products (primarily in the network access product lines), and closing
    selected sales offices. In conjunction with this decision, the Company
    has recorded consolidation charges of $10,646 during fiscal 1998. These
    charges include approximately $3,010 for severance and related costs,
    $1,022 for impairment of certain property, plant and equipment, $4,775
    for reductions in inventory and prepaid expenses related to the
    streamlining of the Company's product offerings, $225 for equipment and
    office leases and $1,614 for other costs primarily related to the
    closure of the Company's Puerto Rico manufacturing facility. The
    Company anticipated a worldwide reduction of
 
                                      F-7
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    approximately 130 full-time employees, or 48 percent of the workforce,
    and 45 temporary workers in Puerto Rico. The majority of the headcount
    reduction is in the manufacturing area; however, selected reductions
    will also be made in other areas related to the streamlining of product
    offerings.
 
    As of June 28, 1998, actions to complete this consolidation plan were
    still in process. The remaining consolidation accrual as of June 28,
    1998 of $3,173 consisted of approximately $1,518 for severance and
    related costs, $155 for equipment and office leases and $1,500 for
    other costs primarily related to the closure of the Company's Puerto
    Rico manufacturing facility. At June 28, 1998, the Company's work force
    still included 45 of the 130 employees discussed above.
 
    During the quarter ended December 27, 1998, the Company completed the
    sale of its former manufacturing facility in Puerto Rico for net
    proceeds of $2,447 (unaudited), which resulted in a gain of $777
    (unaudited). Additionally, during the quarter, as the Company
    essentially completed this consolidation plan including all remaining
    headcount reductions, the Company recognized additional consolidation
    expenses of $1,094 (unaudited) related to severance and other asset
    impairment charges. As of December 27, 1998, this consolidation plan
    was substantially complete, and the remaining consolidation accrual of
    $422 (unaudited) is primarily for remaining severance and related
    payments to be made over the next nine months.
 
     Fiscal 1997
 
    During the first quarter of fiscal 1997, the Company initiated a
    consolidation of its operations to reduce its ongoing expense base and
    focus its activities in the fibre channel, printer server and wide area
    networking markets. Emulex's remote access and host software business,
    previously headquarted out of a Bellevue, Washington facility, was
    relocated to Emulex's headquarters in Costa Mesa, California. In
    addition, the Company downsized its Pacific Rim sales organization and
    also made selected reductions at its manufacturing plant in Dorado,
    Puerto Rico and at its corporate headquarters. The Company recognized
    consolidation charges of $1,280 in fiscal 1997.
 
    The charges related to this consolidation of operations consisted of
    approximately $806 for severance and related charges, $236 for office
    rent and related charges, $65 for write-off of fixed assets and $173 of
    other charges relating primarily to the transition of product support
    to Costa Mesa, California. Total headcount worldwide was reduced by
    approximately 36 employees. As of June 29, 1997, this consolidation
    plan was substantially complete.
 
    Foreign Currency Translation
 
    The Company has designated the U.S. dollar as its functional currency.
    Accordingly, monetary assets and liabilities denominated in foreign
    currencies are remeasured into the U.S. dollar at the exchange rates in
    effect at the balance sheet date. Non-monetary assets and liabilities
    denominated in foreign currencies are remeasured into the U.S. dollar
    at the appropriate historical exchange rates. Income and expense
    amounts denominated in foreign currencies are remeasured into the U.S.
    dollar at the average exchange rates during the period, except for
    expense items related to non-monetary accounts, which are remeasured at
    the appropriate historical exchange rates. Net foreign exchange gains
    and losses are included in other nonoperating income in the period
    incurred (see note 5).
 
    Cash Equivalents
 
    All highly liquid debt instruments with original maturities of three
    months or less are considered to be cash equivalents.
 
                                      F-8
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
 
    Inventories
 
    Inventories are stated at the lower of cost (first-in, first-out) or
    net realizable value.
 
    Property, Plant and Equipment
 
    Property, plant and equipment are stated at cost, and depreciation and
    amortization are provided on the straight-line method over estimated
    useful lives of two to thirty years.
 
    Long-Lived Assets
 
    The Company applies the provisions of Statement of Financial Accounting
    Standards No. ("Statement") 121, "Accounting for the Impairment of
    Long-Lived Assets and for Long-Lived Assets to Be Disposed Of." Under
    the provisions of Statement 121, the recoverability of long-lived
    assets is assessed by determining whether the carrying value of the
    asset can be recovered through projected undiscounted future operating
    cash flows over its remaining life. The amount of impairment, if any,
    is measured based on projected discounted future operating cash flows.
    Assets to be disposed of are reported at the lower of the carrying
    amount or fair value less costs to sell.
 
    Intangible Assets
 
    Capitalized software development costs can consist of costs to purchase
    software to be used within the Company's products and costs to develop
    software internally. Capitalization of purchased software occurs only
    if technological feasibility has been established. The establishment of
    technological feasibility and the ongoing assessment of recoverability
    of capitalized software development costs require judgment by
    management with respect to certain external factors, including but not
    limited to, anticipated future gross revenue, estimated economic life
    and changes in software and hardware technologies. Purchased software
    costs of $300 were capitalized in 1998. No purchased software costs
    were capitalized in 1996 or 1997. No internally-developed software
    costs were capitalized in 1996, 1997 or 1998. These intangible assets
    will be amortized over their estimated useful lives.
 
    Further, Statement 86, "Accounting for the Costs of Computer Software
    to Be Sold, Leased, or Otherwise Marketed," requires that at each
    balance sheet date the unamortized costs of a computer software product
    be compared to the net realizable value of that product. The amount by
    which the unamortized costs exceed the net realizable value of a
    product is to be written off.
 
    Revenue Recognition
 
    The Company recognizes revenue at the time of shipment. The Company has
    agreements with certain of its distributors and Value Added Resellers
    ("VARs") to provide price protection and stock rotation privileges with
    respect to inventories which the distributors may have on hand when the
    Company's published list prices are reduced and/or when items are slow
    moving. These agreements may be terminated upon written notice by
    either party. Pursuant to the Company's contractual obligations under
    these agreements, or in the event of termination, the Company may be
    obligated to issue credits to provide price protection and/or to
    repurchase a certain portion of a distributor's or VAR's inventory. The
    Company records a reserve for estimated price protection and inventory
    repurchase when the related revenue is recognized. The Company provides
    a warranty of between two and five years on all products, and provides
    a reserve for warranty costs at the time of shipment based on actual
    historic experience.
 
                                      F-9
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
 
    Earnings (Loss) per Share
 
    Effective December 28, 1997, the Company adopted Statement 128,
    "Earnings per Share." All prior periods have been restated accordingly
    (see note 10). Statement 128 specifies new standards designed to
    improve the earnings per share ("EPS") information provided in
    financial statements by simplifying the existing computational
    guidelines, revising the disclosure requirements and increasing the
    comparability of EPS data on an international basis. Some of the
    changes made to simplify the EPS computations include: (a) eliminating
    the presentation of primary EPS and replacing it with basic EPS, with
    the principal difference being that the common stock equivalents are
    not considered in computing basic EPS, (b) eliminating the modified
    treasury stock method and the three percent materiality provision, and
    (c) revising the contingent share provisions and the supplemental EPS
    data requirements. Statement 128 also makes a number of changes to
    existing disclosure requirements.
 
    The adoption of Statement 128 did not have a material impact on the
    Company's consolidated financial statements.
 
    Accounting for Stock Options
 
    Prior to July 1, 1996, the Company accounted for its stock option plan
    in accordance with the provisions of Accounting Principles Board
    ("APB") Opinion No. 25, "Accounting for Stock Issued to Employees," and
    related interpretations. As such, compensation expense would be
    recorded on the date of grant only if the current market price of the
    underlying stock exceeded the exercise price. On July 1, 1996, the
    Company adopted Statement 123, "Accounting for Stock-Based
    Compensation," which permits entities to recognize as expense over the
    vesting period the fair value of all stock-based awards on the date of
    grant. Alternatively, Statement 123 also allows entities to continue to
    apply the provisions of APB Opinion No. 25 and provide pro forma net
    income and pro forma net income per share disclosures for employee
    stock option grants made in fiscal 1996 and future years as if the
    fair-value-based method defined in Statement 123 had been applied. The
    Company has elected to continue to apply the provisions of APB Opinion
    No. 25 and provide the pro forma disclosure provisions of Statement 123
    (see note 9).
 
    Fair Value of Financial Instruments
 
    The Company applies the provisions of Statement 107, "Disclosures about
    Fair Value of Financial Instruments." Statement 107 requires all
    entities to disclose the fair value of financial instruments, both
    assets and liabilities recognized and not recognized on the balance
    sheet, for which it is practicable to estimate fair value. Statement
    107 defines fair value of a financial instrument as the amount at which
    the instrument could be exchanged in a current transaction between
    willing parties. As of June 29, 1997 and June 28, 1998, management
    believes the fair value of all financial instruments approximated
    carrying value.
 
    Use of Estimates
 
    Management has made a number of estimates and assumptions relating to
    the reporting of assets and liabilities in conformity with generally
    accepted accounting principles. Actual results could differ from these
    estimates.
 
    Income Taxes
 
    The Company accounts for income taxes pursuant to Statement 109,
    "Accounting for Income Taxes." Statement 109 uses the asset and
    liability method of accounting for income taxes, which
 
                                      F-10
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    recognizes deferred tax assets and liabilities for the future tax
    consequences attributable to differences between the financial
    statement carrying amounts of existing assets and liabilities and their
    respective tax bases. Deferred tax assets and liabilities are measured
    using enacted tax rates expected to apply to taxable income in the
    years in which those temporary differences are expected to be recovered
    or settled. Under Statement 109, the effect on deferred tax assets and
    liabilities of a change in tax rates is recognized in income in the
    period that includes the enactment date.
 
    Comprehensive Income (unaudited)
 
    As of June 29, 1998, the Company adopted Statement 130, "Reporting
    Comprehensive Income." Statement 130 establishes new rules for
    reporting and display of comprehensive income and its components;
    however, the adoption of Statement 130 had no impact on the Company's
    consolidated financial statements as the Company had no transactions
    that would be considered other comprehensive income.
 
    Recent Accounting Pronouncements
 
    In June 1997, the Financial Accounting Standards Board issued Statement
    131, "Disclosure about Segments of an Enterprise and Related
    Information." The new statement is effective for fiscal years beginning
    after December 15, 1997. The Company believes the impact of adopting
    this new standard on the consolidated financial statements will not be
    material.
 
Note 2 Balance Sheet Detail
 
     Components of inventories are as follows:
 
<TABLE>
<CAPTION>
                                               June 29,  June 28,  December 27,
                                                 1997      1998        1998
                                               --------  --------  ------------
                                                                   (unaudited)
<S>                                            <C>       <C>       <C>
      Raw materials........................... $  7,932  $  3,926     $1,009
      Work-in-process.........................    2,012       273         --
      Finished goods..........................    2,769     5,707      6,417
                                               --------  --------     ------
                                               $ 12,713  $  9,906     $7,426
                                               ========  ========     ======
 
     Components of property, plant and equipment, net, are as follows:
 
<CAPTION>
                                               June 29,  June 28,
                                                 1997      1998
                                               --------  --------
<S>                                            <C>       <C>
      Land.................................... $    531  $    531
      Buildings...............................    2,123     2,036
      Production and test equipment...........   13,461    14,004
      Furniture and fixtures..................    4,079     4,601
      Leasehold improvements..................      405       336
      Other equipment.........................      492        80
                                               --------  --------
                                                 21,091    21,588
      Less accumulated depreciation and
       amortization...........................  (14,130)  (16,476)
                                               --------  --------
                                               $  6,961  $  5,112
                                               ========  ========
</TABLE>
 
 
                                      F-11
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 

    Components of accrued liabilities are as follows:

<TABLE>
<CAPTION>
                                                              June    June
                                                               29,     28,
                                                              1997    1998
                                                             ------- -------
     <S>                                                     <C>     <C>
     Payroll and related costs.............................. $ 2,082 $ 1,795
     Warranty and related reserves..........................     797   1,051
     Royalties..............................................     312     147
     Deferred revenue.......................................   1,155      31
     Other..................................................   1,744   1,081
                                                             ------- -------
                                                             $ 6,090 $ 4,105
                                                             ======= ======= 
</TABLE>

Note 3 Income Taxes
 
    The components of income tax expense (benefit) are as follows:
 
<TABLE>
<CAPTION>
                                                             
                                                   June 30,  June 29,  June 28,
                                                     1996      1997      1998  
                                                   --------  --------  --------
     <S>                                           <C>       <C>       <C>     
     Federal:                                                                  
      Current..................................... $   (753) $   (506) $    291
      Deferred....................................     (387)       --      (380)
     State:                                                                    
      Current.....................................       --        --        --
      Deferred....................................       --        --        --
     Foreign and Puerto Rico:                                                  
      Current.....................................        3        --         1
      Deferred....................................       --        --        --
                                                   --------  --------  --------
                                                   $ (1,137) $  (506)  $    (88)
                                                   ========  ========  ========
 
    Income (loss) before income taxes consists of the following:
 
<CAPTION>
                                                            
                                                   June 30,  June 29,  June 28,
                                                     1996      1997      1998   
                                                   --------  --------  -------- 
     <S>                                           <C>       <C>       <C>      
     *Domestic...................................  $(10,010) $    713  $(10,991)
      Foreign....................................      (415)      350        65 
                                                   --------  --------  -------- 
       Total.....................................  $(10,425) $  1,063  $(10,926)
                                                   ========  ========  ======== 
</TABLE>
 
    *Domestic income (loss) includes the Company's Puerto Rico and Virgin
     Islands operations.
 
 
                                      F-12
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    The tax effects of temporary differences that give rise to significant
    portions of the deferred tax assets and liabilities are presented
    below:
 
<TABLE>
<CAPTION>
                                                           June 29,  June 28,
                                                             1997      1998
                                                           --------  --------
     <S>                                                   <C>       <C>
     Deferred tax assets:
      Capitalization of inventory costs................... $     --  $     44
      Accelerated depreciation............................      214       123
      Reserves not currently deductible...................      690       830
      Provisions for discontinued operations and
       consolidation charges..............................       48     1,249
      Net operating loss carryforwards....................   13,398    12,504
      Business credit carryforwards.......................    3,240     4,036
      Alternative minimum tax credit carryforwards........    1,865     1,185
                                                           --------  --------
       Total gross deferred tax assets....................   19,455    19,971
       Less valuation allowance...........................  (17,397)  (18,150)
                                                           --------  --------
       Net deferred tax assets............................    2,058     1,821
                                                           --------  --------
     Deferred tax liabilities:
      Capitalization of inventory costs...................      258        --
      Various state taxes.................................      591       783
      Taxes provided on Emulex Caribe, Inc. undistributed
       income.............................................    1,286        --
      Other...............................................    2,198     2,933
                                                           --------  --------
       Total gross deferred tax liabilities...............    4,333     3,716
                                                           --------  --------
       Net deferred tax liabilities....................... $  2,275  $  1,895
                                                           ========  ========
</TABLE>
    Based on the Company's historical and anticipated future pre-tax
    results of operations, management believes it is more likely than not
    that the Company will realize the benefit of the net deferred tax
    assets existing as of June 28, 1998. Management believes the existing
    net deductible temporary differences will reverse during periods in
    which the Company generates net taxable income; however, there can be
    no assurance that the Company will generate any earnings or any
    specific level of continuing earnings in future years. Certain tax
    planning or other strategies could be implemented, if necessary, to
    supplement earnings from operations to fully realize recorded tax
    benefits.
 
    Subsequently recognized tax benefits relating to the valuation
    allowance for deferred tax assets, which allowance will be reduced or
    eliminated as certain tax and other uncertainties are resolved, will be
    allocated as follows:
 
<TABLE>
     <S>                                                                <C>
       Income tax benefit that would be reported in the
        consolidated statements of operations.......................... $14,649
       Additional paid-in capital......................................   3,501
                                                                        -------
                                                                        $18,150
                                                                        =======
</TABLE>
 
                                      F-13
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    The effective income tax benefit on pretax income (loss) differs from
    expected federal income tax for the following reasons:
 
<TABLE>
<CAPTION>
                                                           June 30,  June 29,  June 28,
                                                             1996      1997      1998 
                                                           --------  --------  --------
     <S>                                                   <C>       <C>       <C>    
       Expected income tax at 34 percent................   $(3,545)   $ 361    $(3,715)
       State income tax, net of federal tax benefit.....      (285)      38        (20)
       Net increase (decrease) in tax as a result of                                  
        Emulex Caribe, Inc. and foreign income taxed                                  
        at a rate different from U.S. statutory rate....     1,216     (175)     2,586
       Change in beginning-of-the-year balance of                                     
        the valuation allowance for deferred tax                                      
        assets allocated to income taxes................     2,554      267        753
       Recovery from QLogic Corporation pursuant to                                   
        tax sharing agreement...........................      (750)    (612)      (188)
       Other, net.......................................      (327)    (385)       496
                                                           -------    -----    -------
                                                           $(1,137)   $(506)   $   (88)
                                                           =======    =====    ======= 
</TABLE>
 
    During 1996, 1997 and 1998, respectively, the Company received an
    income tax benefit in the amount of $750, $612 and $188 related to
    recoveries under a tax sharing agreement with QLogic Corporation, a
    former subsidiary of the Company.
 
    At June 28, 1998, the Company had net operating loss carryforwards for
    federal income tax purposes of $36,021 which are available to offset
    future federal taxable income through 2013 and $4,271 for state
    purposes available through 2003. The Company has business credit
    carryforwards for federal purposes of approximately $2,402 which are
    available to reduce federal income taxes through 2013. In addition, the
    Company has alternative minimum tax credit carryforwards of
    approximately $1,185 which are available to reduce future federal
    regular income taxes over an indefinite period. Additionally, the
    Company has approximately $1,634 of research and experimentation credit
    carryforwards for state purposes available through 2013.
 
    As a result of Emulex Caribe entering into a tax-free plan of
    liquidation for U.S. income tax purposes on May 28, 1998 and the
    subsequent assignment of Emulex Caribe's assets to, and assumption of
    Emulex Caribe's liabilities by, Emulex Corporation, the Company has
    submitted a Ruling Request to Puerto Rico's Secretary of the Treasury
    (the Secretary). The Company is requesting that the Puerto Rico
    Treasury rule in the Company's favor as to the tax-free treatment of
    the liquidation for Puerto Rico income tax purposes. Additionally, the
    Company has submitted a Closing Agreement to the Secretary of the
    Treasury of Puerto Rico in order to obtain the Puerto Rico Treasury's
    agreement as to the amount of tollgate tax resulting from the deemed
    distribution from Emulex Caribe to Emulex Costa Mesa as a result of the
    liquidation. Although it is not assured, the Company believes it will
    be able to obtain Treasury approval on both documents. However, if the
    Company is unable to obtain approval on these documents, the Company's
    results of operations, financial condition and/or liquidity would be
    materially adversely affected.
 
    During the quarter ended September 27, 1998, the Company received
    approval on its Closing Agreement and made a net payment of $22 of
    tollgate tax (unaudited). During the quarter ended December 27, 1998,
    the Company received a favorable response to the Ruling Request it
    submitted, and the Secretary has agreed that neither Emulex nor Emulex
    Caribe will recognize a gain or loss as a result of the liquidation
    (unaudited).
 
                                      F-14
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
 
    The Company is currently undergoing an examination by the California
    Franchise Tax Board of the Company's California income tax returns for
    years 1989, 1990 and 1991. In the opinion of management, this
    examination will not have a material adverse effect on the Company's
    consolidated financial position, results of operations or liquidity.
 
Note 4 Line of Credit
 
    The Company has a $10,000 bank line of credit with Silicon Valley Bank
    that expires in September 1999. The agreement allows the Company to
    borrow at the bank's prime rate (8.5 percent at June 28, 1998) plus one
    half percent. During 1997 and 1998, the Company utilized this line of
    credit. However, there were no borrowings outstanding under this line
    at June 29, 1997 or June 28, 1998. The bank line of credit is secured
    by substantially all assets and requires the Company to satisfy certain
    financial and other covenants and conditions, including prescribed
    levels of tangible net worth, profitability and liquidity, and
    prohibits, among other things, the payment of cash dividends. At June
    28, 1998, the Company was in compliance with all such covenants.
 
Note 5 Nonoperating Income
 
    Nonoperating income, net, is as follows:
 
<TABLE>
<CAPTION>
                                                  June 30, June 29, June 28,
                                                    1996     1997     1998
                                                  -------- -------- --------
<S>                                               <C>      <C>      <C> 
      Interest income............................  $ 248     $267    $  97
      Interest expense...........................    (43)    (185)     (94)
      Foreign exchange...........................    (34)      --       (8)
      Gain on sale of building...................    312       --       --
      Other......................................     --      (11)     118
                                                   -----     ----    -----
                                                   $ 483     $ 71    $ 113
                                                   =====     ====    =====
</TABLE>
 
Note 6 Employee Retirement Savings Plan
 
    The Company has a pretax savings and profit sharing plan under Section
    401(k) of the Internal Revenue Code for substantially all domestic
    employees. Under the plan, eligible employees are able to contribute up
    to 12 percent of their compensation not to exceed the maximum IRS
    deferral amount. Company discretionary contributions match up to three
    percent of a participant's compensation. The Company's contributions
    under this plan were $287, $271 and $270 in 1996, 1997 and 1998,
    respectively.
 
    The Company has a similar plan for all employees in the Company's
    Puerto Rico facility under Section 165(e) of the Internal Revenue Code.
    Under the plan, eligible employees are able to contribute up to 10
    percent of their compensation not to exceed the maximum IRS deferral
    amount. Company discretionary contributions match up to three percent
    of a participant's compensation. The Company's contributions under this
    plan were $88, $86 and $116 for 1996, 1997 and 1998, respectively.
 
Note 7 Export Revenues and Significant Customers
 
    The Company designs and markets three major distinct product families
    within one industry segment: high-speed fibre channel products, printer
    servers and network access products. The Company
 
                                      F-15
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    markets these products through distributors, resellers and to OEMs. The
    Company's export revenues were approximately $20,700, $29,330 and
    $20,712 representing 40, 45 and 35 percent of net revenues for 1996,
    1997 and 1998, respectively. The majority of export shipments are to
    the European marketplace.
 
    In 1996, IBM Corporation represented 15 percent of net revenues. In
    1997, Reuters and Sequent Computer Systems represented 13 and 10
    percent of net revenues, respectively. In 1998, Sequent Computer
    Systems and IBM Corporation represented 12 and 11 percent of net
    revenues, respectively. Furthermore, the Company's top five customers
    accounted for 44 percent and 41 percent of net revenues in 1997 and
    1998, respectively. The Company derived approximately 39, 64 and 71
    percent of its net revenues from sales to OEMs in 1996, 1997 and 1998,
    respectively. Emulex's operating results could be adversely affected if
    sales to one or more such customers significantly decline, or if any
    one of these customers develop alternative sources for the Company's
    products.
 
Note 8 Commitments and Contingencies
 
    Leases
 
    The Company leases certain facilities and equipment under long-term
    noncancelable operating lease agreements which expire at various dates
    through 2003. Rent expense for the Company under operating leases,
    including month-to-month rentals, totaled $1,178, $1,200 and $1,038 in
    1996, 1997 and 1998, respectively. Capital lease obligations are
    included in other liabilities in the accompanying consolidated balance
    sheets.
 
    Future minimum noncancelable lease commitments are as follows:
 
<TABLE>
<CAPTION>
                                                          Capitalized Operating
                                                            Leases     Leases
                                                          ----------- ---------
<S>                                                       <C>         <C>
     Fiscal year:
     1999................................................     $84      $   818
     2000................................................       7          257
     2001................................................      --           94
     2002................................................      --           89
     2003................................................      --           30
                                                              ---      -------
     Total minimum lease payments........................      91      $ 1,288
                                                                       =======
     Less amounts representing interest..................       8
                                                              ---
     Present value of future minimum capitalized lease
     obligations.........................................      83
     Less current installments of capitalized lease
     obligations included in other current liabilities...      76
                                                              ---
     Capitalized lease obligations, excluding current
     installments, included in other liabilities.........     $ 7
                                                              ===
</TABLE>
 
    Litigation
 
    The Company is involved in various claims and legal actions arising in
    the ordinary course of business. In the opinion of management, the
    ultimate disposition of these matters will not have a material adverse
    effect on the Company's consolidated financial position, results of
    operations or liquidity.
 
                                      F-16
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
 
Note 9 Stockholders' Equity
 
    Stock Option Plans
 
    Under the Company's Employee Stock Option Plan (the "Plan"), the
    exercise price of options granted will not be less than the fair market
    value at the date of grant. The total number of shares of common stock
    available for grant under the Plan is 2,780,000. Unless otherwise
    provided by the Board of Directors or a committee of the Board
    administering the Plan, each option granted under the Plan becomes
    exercisable at the rate of 25 percent one year after the date of grant
    with an additional 6.25 percent becoming exercisable each three-month
    interval thereafter.
 
    On October 9, 1997, the Company's Board of Directors adopted the Emulex
    Corporation 1997 Stock Option Plan for Non-Employee Directors (the
    "Director Plan") which allows for a maximum of 100,000 shares of common
    stock. The Director Plan provides that an option to purchase
    15,000 shares of common stock of the Company will be granted to each
    non-employee director of the Company upon the first date that such
    director becomes eligible to participate. These options shall be
    exercisable as to one-third of the shares on each anniversary of the
    grant if the director is still a director of the Company. In addition,
    on each yearly anniversary of the date of the initial grant, each
    eligible director shall automatically be granted an additional option
    to purchase 5,000 shares of common stock. These options shall be
    exercisable as to one-half of the shares on the six month anniversary,
    one quarter on the nine month anniversary and one quarter on the year
    anniversary of the grant date. Options granted under the Director Plan
    are non-qualified stock options. The exercise price per option granted
    will not be less than the fair market value at the date of grant. No
    option granted under the Director Plan shall be exercisable after the
    expiration of the earlier of (i) ten years following the date the
    option is granted or (ii) one year following the date the optionee
    ceases to be a director of the Company for any reason. In 1998, options
    to purchase 60,000 shares were granted under the Director Plan.
 
    Following is a summary of stock option transactions for 1996, 1997 and
    1998:
 
<TABLE>
<CAPTION>
                                                       Number       Weighted
                                                         of     average exercise
                                                       shares   price per share
                                                      --------  ----------------
     <S>                                              <C>       <C>
       Options outstanding at July 2, 1995...........  733,944       $ 7.46
         Granted.....................................  284,800        18.53
         Exercised................................... (132,480)        4.82
         Canceled....................................  (85,066)       10.46
                                                      --------
       Options outstanding at June 30, 1996..........  801,198        11.51
         Granted.....................................  205,750        15.85
         Exercised................................... (107,143)        6.33
         Canceled.................................... (161,329)       13.96
                                                      --------
       Options outstanding at June 29, 1997..........  738,476        12.94
         Granted.....................................  304,691        14.47
         Exercised...................................  (32,776)        5.12
         Canceled....................................  (51,350)       17.52
                                                      --------
       Options outstanding at June 28, 1998..........  959,041        13.44
                                                      ========
</TABLE>
 
    As of June 30, 1996, June 29, 1997 and June 28, 1998, the number of
    options exercisable was 262,564, 351,058 and 476,961, respectively, and
    the weighted average exercise price of those options was $6.67, $9.66
    and $11.62, respectively.
 
                                      F-17
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
 
<TABLE>
<CAPTION>
                              Options outstanding          Options exercisable
                       ---------------------------------- ----------------------
                                     Weighted  Weighted                 Weighted
                                     average    average                 average
                                     exercise  remaining                exercise
                        Outstanding   price   contractual  Exercisable   price
         Range of          as of       per       life         as of       per
     exercise prices   June 28, 1998  option    (years)   June 28, 1998  option
     ---------------   ------------- -------- ----------- ------------- --------
     <S>               <C>           <C>      <C>         <C>           <C>
     $ 3.20 to $ 7.88     214,485     $ 4.95     5.38        185,734     $ 4.50
       8.00 to  14.75     248,991      12.43     7.80        116,934      11.28
      15.00 to  16.13     221,700      15.58     9.00         22,333      15.34
      16.25 to  23.75     273,865      19.29     7.67        151,960      20.02
                          -------                            -------
     $ 3.20 to $23.75     959,041     $13.44     7.50        476,961     $11.62
                          =======                            =======
</TABLE>
 
    The Company applies APB Opinon No. 25 and related Interpretations in
    accounting for its stock option plans. Accordingly, no compensation
    cost has been recognized for its stock options in the financial
    statements. Had the Company determined compensation cost based on the
    fair value at the grant date for its stock options under Statement 123,
    the Company's net income (loss) would have been reduced to the pro
    forma amounts indicated below:
 
<TABLE>
<CAPTION>
                                                  June 30,  June 29, June 28,
                                                    1996      1997     1998
                                                  --------  -------- --------
     <S>                                          <C>       <C>      <C>
     Net income (loss) as reported............... $ (9,288)  $1,569  $(10,838)
     Assumed stock compensation cost.............      778      882     1,417
                                                  --------   ------  --------
     Pro forma net income (loss)................. $(10,066)  $  687  $(12,255)
                                                  ========   ======  ========
     Diluted earnings (loss) per share as
      reported................................... $  (1.56)  $ 0.25  $  (1.77)
     Pro forma diluted earnings (loss) per share..$  (1.70)  $ 0.11  $  (2.00)
                                                  ========   ======  ========
</TABLE>
 
    Pro forma net income (loss) reflects only options granted in 1996, 1997
    and 1998. Therefore, the full impact of calculating compensation cost
    for stock options under Statement 123 is not reflected in the pro forma
    net income (loss) amounts presented above because compensation cost is
    reflected over the options' vesting period of up to four years and
    compensation cost for options granted prior to July 3, 1995 is not
    considered.
 
    The fair value of each option grant was estimated on the date of grant
    using the Black-Scholes option-pricing model with the following
    assumptions for 1996, 1997 and 1998: risk-free interest rates of 5.9,
    6.3 and 5.7 percent, respectively; dividend yield of 0.0 percent;
    average expected lives of 3.4, 3.6 and 3.2 years, respectively; and
    volatility of 66.1, 66.1 and 64.4 percent, respectively. The weighted-
    average fair value per option granted in 1996, 1997 and 1998 was $9.24,
    $8.19 and $7.04, respectively. The Black-Scholes model, as well as
    other currently accepted option valuation models, was developed to
    estimate the fair value of freely-tradable, fully-transferable options
    without vesting restrictions, which significantly differ from the
    Company's stock option plans. These models also require highly
    subjective assumptions, including future stock price volatility and
    expected time until exercise, which greatly affect the calculated fair
    value on the grant date.
 
    Shareholder Rights Plan
 
    The Company has a Shareholder Rights Plan that provides for Preferred
    Stock Purchase Rights ("Rights") that attach to and transfer with each
    share of common stock. When the Rights become exercisable, each Right
    entitles the holder to purchase from the Company one unit consisting of
    1/100 of a share of Series A Junior Participating Preferred Stock for
    $50 per unit, subject to adjustment. The Rights become exercisable if
    (i) a person or group ("Acquiring Person") has acquired, or
 
                                      F-18
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    obtained the right to acquire, 20 percent or more of the outstanding
    shares of common stock, (ii) a person becomes the beneficial owner of
    30 percent or more of the outstanding shares of common stock, (iii) an
    Acquiring Person engages in one or more "self-dealing" transactions
    with the Company or (iv) an event occurs which results in an Acquiring
    Person's ownership interest being increased by more than 1 percent.
    Upon exercise and payment of the purchase price for the Rights, the
    Rights holder (other than an Acquiring Person) will have the right to
    receive Company common stock (or, in certain circumstances, cash,
    property or other securities of the Company) equal to two times the
    purchase price. The Company is entitled to redeem the Rights at any
    time prior to the expiration of the Rights in January 2009, or 10 days
    following the time that a person has acquired beneficial ownership of
    20 percent or more of the shares of common stock then outstanding. The
    Company is entitled to redeem the Rights in whole, but not in part, at
    a price of $0.01 per Right, subject to adjustment.
 
Note 10 Earnings (Loss) per Share
 
    Effective December 28, 1997, the Company adopted Statement 128,
    "Earnings per Share." In accordance with Statement 128, primary
    earnings per share have been replaced with basic earnings per share and
    fully diluted earnings per share have been replaced with diluted
    earnings per share which includes potentially dilutive securities such
    as outstanding stock options. Prior periods have been restated to
    conform to Statement 128.
 
    Basic earnings (loss) per share is computed by dividing income (loss)
    available to common stockholders by the weighted average number of
    common shares outstanding during the period. Diluted earnings (loss)
    per share is computed by dividing income (loss) available to common
    stockholders by the weighted average number of common shares
    outstanding during the period increased to include, if dilutive, the
    number of additional common shares that would have been outstanding if
    the dilutive potential common shares had been issued. The dilutive
    effect of outstanding stock options is reflected in diluted earnings
    per share by application of the treasury stock method. The following
    table sets forth the computation of basic and diluted earnings (loss)
    per share:
 
<TABLE>
<CAPTION>
                                     Years Ended               Six Months Ended
                              ---------------------------  -------------------------
                              June 30,  June 29, June 28,  December 28, December 27,
                                1996      1997     1998        1997         1998
                              --------  -------- --------  ------------ ------------
                                                                  (unaudited)
     <S>                      <C>       <C>      <C>       <C>          <C>
     Numerator:
       Net income (loss)..... $(9,288)   $1,569  $(10,838)   $ 1,717       $  862
                              =======    ======  ========    =======       ======
     Denominator:
       Denominator for basic
        earnings (loss) per
        share--weighted
        average shares
        outstanding..........   5,936     6,044     6,121      6,110        6,142
       Effect of dilutive
        securities:
         Dilutive options
          outstanding........      --       250        --        211          476
                              -------    ------  --------    -------       ------
       Denominator for
        diluted earnings
        (loss) per share--
        adjusted weighted
        average shares.......   5,936     6,294     6,121      6,321        6,618
                              =======    ======  ========    =======       ======
     Basic earnings (loss)
      per share.............. $ (1.56)   $ 0.26  $  (1.77)   $  0.28       $ 0.14
                              =======    ======  ========    =======       ======
     Diluted earnings (loss)
      per share.............. $ (1.56)   $ 0.25  $  (1.77)   $  0.27       $ 0.13
                              =======    ======  ========    =======       ======
</TABLE>
 
 
                                      F-19
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
    As the Company recorded a net loss for the year ended June 30, 1996,
    all 801,198 outstanding stock options were excluded from the
    calculation of diluted loss per share, because the effect would have
    been antidilutive. Options to purchase 301,450 shares of common stock
    outstanding at June 29, 1997, were not included in the computation of
    diluted earnings per share for the year then ended. These options were
    excluded from the computation of diluted earnings per share because the
    options' exercise price was greater than the average market price of
    the common shares of $16.21 during the period, and therefore the effect
    would be antidilutive. Furthermore, as the Company had a net loss for
    the year ended June 28, 1998, all 959,041 outstanding stock options
    were excluded from the calculation of diluted loss per share, because
    the effect would have been antidilutive.
 
    Options to purchase 209,862 shares (unaudited) of common stock at
    prices in excess of $16.33 per share (unaudited) were outstanding at
    December 28, 1997, but were not included in the computation of diluted
    earnings per share for the six month period then ended. Additionally,
    options to purchase 147,600 shares (unaudited) of common stock at
    prices in excess of $15.52 per share (unaudited) were outstanding at
    December 27, 1998, but were not included in the computation of diluted
    earnings per share for the six month period then ended. These options
    were excluded from the computation of diluted earnings per share
    because the options' exercise price was greater than the average market
    price of the common shares during the respective periods, and
    therefore, the effect would be antidilutive.
 
Note 11 Subsequent Event
 
    On July 6, 1998, the Company's Board of Directors approved a repricing
    of outstanding stock options granted under the Emulex Corporation
    Employee Stock Option Plan. Employees were able, at their discretion,
    to reprice outstanding options with a current option price per share in
    excess of $6.00 to an exercise price of $6.00 per share which was the
    market value of July 6, 1998. Stock options totaling 542,874 shares
    were repriced. The vesting schedule of the options which were repriced
    remains unchanged; however, no options which have been repriced may be
    exercised for a period of 12 months, or until July 6, 1999, regardless
    of prior vesting. This repricing specifically excluded all options held
    by Paul F. Folino, the Company's chief executive officer. Furthermore,
    this repricing did not apply to any shares issued under the Director
    Plan.
 
 
                                      F-20
<PAGE>
 
                      EMULEX CORPORATION AND SUBSIDIARIES
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)
 
Note 12 Quarterly Financial Data (Unaudited)
 
    Selected quarterly financial data for 1997 and 1998 is as follows:
 
<TABLE>
<CAPTION>
                          Net                        Net       Diluted earnings
                        revenues Gross profit(1) income (loss) (loss) per share
                        -------- --------------- ------------  ----------------
     <S>                <C>      <C>             <C>           <C>
     1997:
      First quarter.... $15,952      $ 5,395       $   (941)        $(0.16)
      Second quarter...  16,058        5,875            487           0.08
      Third quarter....  17,011        6,930          1,103           0.18
      Fourth quarter...  15,742        6,358            920           0.15
                        -------      -------       --------
      Total............ $64,763      $24,558       $  1,569
                        =======      =======       ========
     1998:
      First quarter.... $15,007      $ 6,127       $    609         $ 0.10
      Second quarter...  15,493        6,830          1,108           0.18
      Third quarter....  15,019        4,171        (12,755)         (2.08)
      Fourth quarter...  13,966        5,545            200           0.03
                        -------      -------       --------
      Total............ $59,485      $22,673       $(10,838)
                        =======      =======       ========
</TABLE>
- --------
 (1)  Certain 1997 and 1998 amounts have been reclassified to conform to the
      1999 presentation.
 
                                      F-21
<PAGE>
 
(Back cover)

Titles:
The "Emulex" title is in Bold Purple flush right.
Below the Emulex title is a subtitle that reads "Family of Fibre Channel
Products" in bold black.

Image:

The image consists of a loop, representing a fibre channel connection, on top of
which are depicted a server, a storage subsystem and an Emulex LightPulse LH5000
digital hub. Alongside the storage subsystem is a picture of an Emulex
LightPulse Firelite ASIC, and alongside the server is a picture of an Emulex
LightPulse LP8000 host adapter. At the center of the loop is the I/O by Emulex
logo.

Below the above image is a caption that consists of a series of bullet points as
follows:
 .  Based on internally developed ASICs
 .  Deployable across heterogeneous networks and operating systems
 .  Support for increasing volumes of data
<PAGE>
 




                 [LOGO OF EMULEX NETWORK SYSTEMS APPEARS HERE]



 
<PAGE>
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
Item 14. Other Expenses of Issuance and Distribution.
 
   The following tables sets forth an estimate of the various expenses expected
to be incurred in connection with the issuance and distribution of the
securities being registered, other than underwriting compensation:
 
<TABLE>
   <S>                                                                 <C>
   Securities and Exchange Commission registration fee................ $ 21,526
   Nasdaq National Market additional listing fee...................... $ 17,500
   NASD filing fee.................................................... $  7,500
   Blue Sky fees and expenses......................................... $  5,000
   Printing and engraving expenses.................................... $100,000
   Accounting fees and expenses....................................... $ 85,000
   Legal fees and expenses............................................ $110,000
   Transfer agent fees and expenses................................... $ 10,000
   Miscellaneous expenses............................................. $ 43,474
                                                                       --------
     TOTAL............................................................ $800,000
                                                                       ========
</TABLE>
 
Item 15. Indemnification of Directors and Officers.
 
   As permitted by Section 145 of the Delaware General Corporation Law
("Section 145"), the Company's Certificate of Incorporation provides that the
directors will not be liable to the Company or to any Stockholder for monetary
damages for breach of fiduciary duty as a director, to the full extent that
such limitation or elimination of liability is permitted under Delaware law.
 
   Also as permitted by Section 145, the Company's Bylaws provide that the
Company will indemnify its directors and officers to the full extent permitted
under Delaware law. Pursuant to the Bylaws and Section 145, the Company will
indemnify each director and officer against any liability incurred in
connection with any action, suit, proceeding or investigation in which he may
be involved by reason of serving in such capacity at the request of the
Company.
 
   Each director and officer is also entitled to indemnification against costs
and expenses (including attorneys' fees) incurred in defending or investigating
any action, suit, proceeding or investigation in which he may be involved by
reason of serving in such capacity at the request of the Company. The Bylaws
authorize the Company to advance funds to a director or officer for such costs
and expenses (including attorneys' fees) upon receipt of an undertaking in
writing by such director or officer to repay such amounts if it is ultimately
determined that he or she is not entitled to be indemnified. Notwithstanding
the foregoing, no advance shall be made by the Company if a determination is
reasonably and promptly made by the Board by a majority vote of a quorum of
disinterested directors, or (if such a quorum is not obtainable or, even if
obtainable, a quorum of disinterested directors so directs) by independent
legal counsel, that based upon the facts known to the Board or counsel at the
time such determination is made: (i) the director or officer acted in bad faith
or deliberately breached his duty to the Company or its stockholders; and (ii)
as a result of such actions by the director or officer, it is more likely than
not that it will ultimately be determined that such director or officer is not
entitled to indemnification.
 
   The indemnification and advancement of expenses provided by the Bylaws are
not exclusive of any other rights to which a director or officer seeking
indemnification or advancement of expenses may be entitled under the Bylaws,
any agreement or any vote of stockholders or disinterested directors or
otherwise. The indemnification and advancement of expenses provided by the
Bylaws continue as to a person who has ceased to be a director or officer and
inure to the benefit of the heirs, executors and administrators of such a
person.
 
 
                                      II-1
<PAGE>
 
   The Company has purchased a directors' and officers' liability insurance
policy insuring directors and officers of the Company against any liability
asserted against such person and incurred by such person in any such capacity,
whether or not the Company would have the power to indemnify such person
against such liability under the Bylaws.
 
Item 16. Exhibits.
 
   (a) Exhibits
 
<TABLE>
<CAPTION>
   Exhibit
   Number  Description
   ------- -----------
   <C>     <S>
    1.1    Form of Underwriting Agreement.*
    4.1    Rights Agreement, dated January 19, 1989, as amended.*
    5.1    Legal Opinion of Jeffer, Mangels, Butler & Marmaro LLP.*
   23.1    Consent of Jeffer, Mangels, Butler & Marmaro LLP (included in
           Exhibit 5.1).*
   23.2    Consent of KPMG LLP.
   24.1    Power of Attorney (contained on Signature Page).
</TABLE>
- --------
* To be filed by amendment.
 
Item 17. Undertakings.
 
   (a) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan's annual report pursuant to Section 15(d) of the Securities Exchange Act
of 1934) that is incorporated by reference in the registration statement shall
be deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
 
   (b) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the provisions described in Item 15 or otherwise,
the registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed
in the Securities Act of 1933 and is, therefore, unenforceable. In the event
that a claim for indemnification against such liabilities (other than the
payment by the registrant of expenses incurred or paid by a director, officer,
or controlling person of the registrant in the successful defense of any
action, suit, or proceeding) is asserted by such director, officer, or
controlling person in connection with the securities being registered, the
registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction
the question whether such indemnification by it is against public policy as
expressed in the Securities Act of 1933 and will be governed by the final
adjudication of such issue.
 
   (c) For purposes of determining any liability under the Securities Act of
1933, the information omitted from the form of prospectus filed as part of this
registration statement in reliance upon Rule 430A and contained in a form of
prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4) or 497(h)
under the Securities Act shall be deemed be part of this registration statement
as of the time it was declared effective.
 
   (d) For the purpose of determining any liability under the Securities Act of
1933, each post-effective amendment that contains a form of prospectus shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
 
                                      II-2
<PAGE>
 
                                   SIGNATURES
 
   Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Costa Mesa, State of California on April 5, 1999.
 
                                          EMULEX CORPORATION.
 
                                                   /s/ Paul F. Folino
                                          By:  ________________________________
                                                      Paul F. Folino,
                                            President, Chief Executive Officer
                                                      and Director
 
                               POWER OF ATTORNEY
 
   Each person whose signature appears below constitutes and appoints Paul F.
Folino and Robert H. Goon, or either of them, as his true and lawful attorney-
in-fact and agent, acting alone, with full powers of substitution and
resubstitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments (including post-effective
amendments) to this registration statement, any Amendments thereto and any
Registration Statement for the same offering which is effective upon filing
pursuant to Rule 462(b) under the Securities Act of 1933, and to file the same,
with all exhibits thereto, and other documents in connection therewith, with
the Securities and Exchange Commission, granting unto said attorney-in-fact and
agent, each acting alone, full powers and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all said attorney-in-fact and agent,
acting alone, or his substitute or substitutes, may lawfully do or cause to be
done by virtue hereof.
 
   Pursuant to the requirements of the Securities Act of 1933, this
registration statement has been signed by the following persons on behalf of
the registrant and in the capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                Name                            Capacity                  Date
                ----                            --------                  ----
 
<S>                                  <C>                             <C>
       /s/ Paul F. Folino            President, Chief Executive       April 5, 1999
- ------------------------------------  Officer and Director
           Paul F. Folino             (Principal Executive Officer)
 
   /s/ Michael J. Rockenbach         Vice President, Chief Financial  April 5, 1999
- ------------------------------------  Officer and Secretary
       Michael J. Rockenbach          (Principal Financial and
                                      Accounting Officer)
 
        /s/ Fred B. Cox              Chairman of the Board of         April 5, 1999
- ------------------------------------  Directors
            Fred B. Cox
 
     /s/ Michael P. Downey           Director                         April 5, 1999
- ------------------------------------
         Michael P. Downey
</TABLE>
 
                                      II-3
<PAGE>
 
<TABLE>
<CAPTION>
                Name                            Capacity                  Date
                ----                            --------                  ----
 
<S>                                  <C>                             <C>
       /s/ Robert H. Goon            Director                         April 5, 1999
- ------------------------------------
           Robert H. Goon
 
        /s/ Don M. Lyle              Director                         April 5, 1999
- ------------------------------------
            Don M. Lyle
</TABLE>
 
                                      II-4

<PAGE>
 
                                                                    EXHIBIT 23.2
 
                        CONSENT OF INDEPENDENT AUDITORS
 
The Board of Directors
Emulex Corporation:
 
   We consent to the use of our report dated August 12, 1998 related to the
consolidated balance sheets of Emulex Corporation and subsidiaries as of June
29, 1997 and June 28, 1998 and the related consolidated statements of
operations, stockholders' equity and cash flows for each of the years in the
three-year period ended June 28, 1998, included and incorporated by reference
herein, and related schedule, incorporated by reference herein, and to the
reference to our firm under the headings "Selected Financial Data" and
"Experts" in the prospectus.
 
                                          KPMG LLP
 
Orange County, California
April 6, 1999


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